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XCMG XDN450 Operation Manual

Pipe jacking
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XDN450 Pipe Jacking Operation Manual
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Xuzhou Construction Machinery Group Co.,Ltd.


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Summary of Contents for XCMG XDN450

  • Page 1 XDN450 Pipe Jacking Operation Manual Xuzhou Construction Machinery Group Co.,Ltd.
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  • Page 2 Introduction Distinguished customers： We are deeply grateful for your selection of the XDN450 pipe jacking machine from Xuzhou Construction Machinery Group Co.; Ltd. This instruction offers relative information and instruction manual of XDN450 pipe jacking machine of Xuzhou Construction Machinery Group Co.; Ltd for users.

  • Page 3: How To Make Full Use Of The Instruction Manual

    How to make full use of the instruction manual Quickly look up the information you wanted! This manual falls into 6 chapters: 1. Safety requirements； 2. Product information； 3. Operation instruction； 4. Lubrication and maintenance； 5. Common troubleshooting； 6. Transportation, storage and protection； And each chapter is further divided into sections with page number in the bottom right corner corresponding to the contents for your fast location.

  • Page 4: Table Of Contents

    Contents How to make full use of the instruction manual ....................Chapter One Safety part ............................. 1.2 Safety signs ............................1.4 Major dangers ............................1.6 Equipment prepared by users ........................ 1.7 Classification of Underground Haz ....................... 1.8 Classification of Construction Site and Prevention Measures ...............

  • Page 5: Chapter One Safety Part

    Do’s and Don’ts： 1.Users must operate XDN450 pipe jacking machine in accordance with instruction manual.Any other usages are forbidden. 2.Workers must observe the safety requirements in assembling the machine.
  • Page 6 Warning, caution and other cautionary signs and words would be used in this manual： Danger! This safety sign means that failure to observe the standard operation stipulated in this manual would lead to direct dangers, which will result in possible equipment damage, serious injury or even death.

  • Page 7: Safety Signs

    some unnecessary bothering due to some minor mistakes in operation and maintenance. 1.2 Safety signs Safety Sign Illustration Keep a safe distance to the machine in operation, or may result in personal injury or death. Keep a safe distance to the machine in operation! Please carefully read this instruction manual especially the parts with regard to...
  • Page 8 Safety Sign Illustration Avoid discharge liquid under pressure ， if necessary,please reference safe operation rules in part 1.5. Keep a safe distance to the high- pressure jet nozzle in operation! Keep a safe distance to the ground anchor! Keep a safe distance to the machine to avoid being wounded by object throwing out! Risk of electrical shock！...
  • Page 9 Safety Sign Illustration No smoking! No burning! Must wear safety helmet Must wear protective gloves Must wear protective footwear Hydraulic oil sign Lubrication oil filling port sign Product information ! 20...
  • Page 10 Lubricating grease filling port sign Safety Sign Illustration Toolbox sign Lifting point sign 1.3 General safety requirements 1.3.1 During the pre-construction period, please set some warning marks such as fence or colorful flags in the construction areas, and even arrange specially-assigned personnel if necessary.

  • Page 11: Major Dangers

    1.3.5 After start, please do not conduct any adjustment to the machine. 1.3.6 Stay away from the rotating and working machine. 1.3.7 As a pollutant, waste oil is not allowed to be dumped into the sewer and river or splashed upon the floor. It should be poured into certain containers or disposed according to the relevant laws and regulations.
  • Page 12 1.4.5 Check the hydraulichose Frequently and change it when partial swell, leakage or wear out is observed. 1.4.6 Check the electric wire harness Frequently and change it when insulated skin peeling, ageing or wear out is observed. Product information ! 23...
  • Page 13 1.5 Safe operation rules 1.5.1 Inspection before operation Check if any bolt and pin is loose. Check the liquid level of grease,lubricating oil,coolant liquid,engine oil,fuel and hydraulic oil. Check if any leakage occurred. Check the capacities of battery power. Make sure that the scram button, the pilot handle and so on in normal condition. 1.5.2 Warning Turn on the horn to avoid people around away from the machine before start it.
  • Page 14 support the equipment only with hydraulic cylinder since there are high risks of injuries or death caused by the falling of the declamp once the hand lever is malfunctioned or hydraulic pipe blows out or wears out. 1.5.7 Usage of mud pump Pump is forbidden to start without mud supply.Any other attentions is list on the instruction manual of mud pump.

  • Page 15: Equipment Prepared By Users

    1.6 Equipment prepared by users 1.6.1 Extinguisher Extinguisher should be able to put out the fire caused by oil and electricity. 1.6.2 Working light If the visibility is low, working lights set by the users should provide enough lights for construction site. Product information ! 26...

  • Page 16: Classification Of Underground Haz

    1.7 Classification of Underground Haz Electricwire Naturalgaspipeline Optical fiber cable Waterpipe Discharge pipe Transmission pipes for other chemical materials, liquid or gas. Product information ! 27...

  • Page 17: Classification Of Construction Site And Prevention Measures

    1.8 Classification of Construction Site and Prevention Measures 1.8.1 Classification of construction site The construction site can be classified into electric, gas and other types according to the underground hazards. Construction area Type within 3m of power line Electric within 3m of natural gas pipeline Natural gas within 3m of other hazards Others...

  • Page 18: Basic Knowledge To Avoid Electric Shock

    1.9 Basic Knowledge to Avoid Electric Shock 1.9.1 Current can be conveyed underground through various ways. 1.9.2 Current can be conveyed to the equipment through various cables on the drill pipes, flexiblepipes and machines. 1.9.3 Current with low voltage can also cause fatality. 1.9.4 Electric shock can be presumed and the machine should be shut down and examined if the following situations occur: 1) power failure...

  • Page 19: Basic Knowledge For Safety Emergency

    1.10 Basic Knowledge for Safety Emergency 1.10.1 Electric shock 1）If working near the power line, consult with the power company for operation details in advance and seek the guidance of assistant staff. Keep away from power lines and cables to avoid accidents. 2）If getting electric shock, stay on the pipe jacking machine or grounding pad.

  • Page 20: Chapter Two Product Information

    2.1 Product Overview 2.1.1 Product usage XDN450 pipe jacking machine is a kind of construction machinery to set various underground public utilities in the condition of not or slightly excavating the earth’s surface. This kind of construction machinery is widely used to set pipes for water, coal gas, electric power,...
  • Page 21 made of bentonite as the parent material of the slurry, and is sent to the excavation surface at the front end of the top of the pipe jacking machine by a slurry pump. The fluid mechanics and the stability of the soil mechanics generated by the pressurized muddy water are formed on the excavation surface.

  • Page 22: Model Composition

    2.2 Model Composition Max Pipe Size，Φ450mm Slurry Balance Pipe Jacking Machine 2.3 Application Scope Environment Requirements： All the operations should be conducted under the conditions of temperature between -15℃ ～ +45℃, working environment temperature less than 3bar. 2.4 Product Boundary Dimension 1.Handpiece Size：φ630mm×2827mm Quality：2500kg 2.
  • Page 23 4. Electric control cabinet（Unit：mm） 5. Main pump station（Unit：mm）...

  • Page 25: Main Technical Features Of Equipment

    2.5 Main technical features of equipment Item XDN450 parameter Φ500 Nominal pipe diameter Φ630×2840 Outer diameter × Length Motor power 22×1 Cutting kN.m 9.76 Torque wheels Rotate speed r/min 16.6 Force per cylinder Head N u m b e r o f...

  • Page 26: Product Nameplates

    2.6 Product Nameplates 2.7 Main technical features of equipment 1. Occupy small space: Detachable lightweight, compact structure design, small footprint, greatly reducing the influences of the road; 2. Visual remote control: During jacking operations, the operator can monitor the entire construction process in real time in the operating room,Also can intuitively and accurately grasp the cutting speed, travel path and working conditions by the electronic display, and truly realize visualized remote control;...

  • Page 27: Components And Structures

    2.8 Components and Structures XDN450 pipe jacking machine is a split jacking device. The whole machine is mainly composed of articulated shield, main jacking device, main jacking pumping station, console, electric control cabinet and other components,etc. Name Note Name Note...
  • Page 28 Modular design, easy to disassemble and transport; Use special deceleration device, strong power, output the largest torque in the smallest volume; the mud in and out system is equipped with bypass valve and bypass valve inside and outside the pipe, through each bypass valve The control can not only meet the needs of the mud in the working well and in the machine, but also can be used to meet the needs of the construction of the mud outside the pipe.
  • Page 29 2.8.2 Main jacking device XDN450 adopts double cylinder jacking, sliding top iron, and stopper card slot design, which can realize multiple stage jacking. Jacking progress 670 mm×2 Overall width 1330mm Overall length 1890 mm Work quality 1930kg...
  • Page 30 2.8.3 Main pump station The main pump station motor can achieve stepless speed regulation. Apply hydraulic confluent technology to improve the working efficiency of the main top device. String pump HAWE MAX pressure 35MPa Work quality 700kg rated power 7.5kW 2.8.4 Console For the construction technology of the pipe jacking machine, advanced PLC control technology is applied and a large 15-inch display screen is used for easy observation.
  • Page 31 machine and construction. OMRON Rated voltage AC220V(three phase 60Hz) Working frequency 60Hz...

  • Page 32: Using And Operation

    2.8.5 Electric control cabinet Control circuit breakers related to power supply systems, frequency converters for main pumping stations, frequency converters for supplying、discharging mud and solenoid valves. Stable performance, reliable quality. The whole input voltage AC220V(three phase 60Hz) Head motor power 22kW Internal pump station motor power 0.18kW...
  • Page 33 2）After installing the mud pipe, hydraulic oil pipe and electrical harness, the pipe is hoisted into the originating well and connected; 3）Correct the direction of operation , and advance the propulsion pipe in sequence At the same time; Before performing the corrective operation, the operation of the main jacking...
  • Page 34 cylinder must be stopped; Correct operations frequently when the jacking pressure is large. 4）Repeat steps 2 to 3, and the jacking pipe work is completed when the head reach to the receiving well. 2.10 Other auxiliary tools 1）Mud mixing device The mud mixing device is a device for manufacturing a pipe jacking mud, which can fully stir the additives such as bentonite and water to prepare mud for the pipe jacking.
  • Page 35 It is connected to the tail of the machine head and placed into the cement pipe in order to prevent rotation of the machine head. It can also be used as a laser channel and mud conveying channel. Due to the lack of self-weight of the XDN450 head, it is necessary to add support tube devices. 
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  • Page 36: Device Installation

    Chapter Three Operational Instruction 3.1 Device installation 3.1.1 System structure...
  • Page 37 3.1.1.1 Electric control cabinet Equipped with three frequency converters, respectively control the mud pump, sludge pump, main pump, and electromagnetic switch control cutter motor, hydraulic pump station. All of the above are operated by the IO/DA/AD module and the operating panel PLC using OMRON's dedicated communication compobus.
  • Page 38 coordinates by means of software calculations. The calculated coordinates are communicated with the PLC via RS232, and the PLC obtains the coordinate values for transmission from the man-machine interface. 4) 7" display (1): The display of the industrial computer presents the image in the target box, the laser spot and coordinates.
  • Page 39 flow meter detects main jacking cylinder speed. 3.1.1.5 Main jacking device Jack into the articulated shield and pipeline. 3.1.1.6 Mud pump Sent the mud water to the articulated shield. 3.1.1.7 Sludge pump Slurry treatment system for transporting broken sandy soil from muddy water to the ground. 3.1.2 Control cabinet online 1）The main power supply is accessed from the rear of the electric control cabinet.
  • Page 40 4）Check if the voltage is 220V. 5）The main switch in the electric control cabinet.

  • Page 41: Equipment Safety Inspection

    3.2 Equipment safety inspection 3.2.1 Check if that all threaded connections are tight and the pins are secure. 3.2.2 Check if the grease, lubricating oil, etc. are adequate. 3.2.3 Check if the hydraulic oil is sufficient and if the hydraulic oil circuit leaks. 3.2.4 Check if r the operation and instrument display are normal.
  • Page 42 2）Turn the power switches QF1, QF2, and QF3 up to the ON position one by one. 3）Turn the power switch on the console clockwise to start the console.

  • Page 43: Conveying Slurry Action

    In order to prevent electric shock, ensure that the operator's desk and cabinet are grounded before operation, and be sure to use the grounded copper rods attached to avoid danger. 3.4 Equipment operation check 3.4.1 head operation inspection 1) Check if the axis of the head is accurate. 2) Check if the corrective action is normal.
  • Page 44 2) Check if the sliding of the top iron is normal. 3) Check if the operation of the globe valve is normal. 3.4.3 mud unit operation inspection 1) Check if the mud line is leakage. 2) Check if the flow of the flowmeter is normal. 3) Check if the hose is distorted or flattened.
  • Page 45 5) computer monitor: monitor the laser coordinates of the target, install the camera to monitor the scene, and there are buttons to switch on the monitor. 6) monitor display: the camera can be installed to monitor the scene, and the buttons on the monitor can be switched.
  • Page 46 开启 停⽌ 关闭 2）Inner tube external bypass valve Start button: Click the start button to turn on the light and the slurry is transported to the crusher. Close button: Click the close button to turn off the light and the slurry is transported to the bottom of the fuselage.
  • Page 47 the rotation angle setting value, the cutterhead motor will automatically stop. At this time, the cutter motor will only be able to run in one direction. When the rotation angle is positive, it can only rotate right; When the rotation angle is negative, it can only rotate left.
  • Page 48 The yellow block on the display represents the elongation of each correction cylinder. When the data is 0, it means that the error correction cylinder is completely retracted. The maximum elongation varies from machine to machine. Please test your own records. Upper reach: The upper correction cylinder extends and the red dot on the display moves downwards.
  • Page 49 The laser is on the upper side, Y is negative, the nose is lower than the planned line and needs to be revised upwards Under the laser, Y is positive, the head is higher than the planned line and needs to be revised downwards The laser is to the right, X is negative, the nose is off the plan line and needs to be corrected to the right...
  • Page 50 The laser is to the left, X is positive, the nose is deviated from the right of the plan line and needs to be repaired to the left The correction position is basically in the same direction as the laser, that is, when the laser is in the upper right, the correction point is also in the upper right.
  • Page 51 备⽤ 警报复位 机头电源 现场操作 操作台操作 距离归零 操作臺操作 Alarm reset: When a fault occurs, the button is released. Head Power: The target in the head control box power control button, click to send power, and then click to stop sending power. On-site operation: Pressing, the control of the main fuel tank is changed to the on-site button control, and the power of the machine head will be cut off.
  • Page 52 When the crusher current exceeds the set current of the main jacking cylinder, it automatically stops; When the muddy water flow rate is lower than the set value and the flow rate is too low to stop the main jacking cylinder, it will automatically stop; When the rotation angle exceeds the set value, the main jacking cylinder automatically stops;...
  • Page 53 Man-machine interface boot screen: Name Function Description Note Delta display parameter System Setting See details 3.5.1 settings New project clear records and Open new project See details 3.5.2 initial settings Setting pipe jacking machine Menu See details 3.5.3 parameters Old construction continues Enter the old construction See details 3.5.4 construction...
  • Page 54 3.5.1 System Setting Please refer to Delta human machine operation manual for this part 3.5.2 New project clear records and initial settings Enter the "new project clear records and initial settings" screen: Name Function Description Note Please enter the project name Fill in the project name See details 3.5.2.1 Please enter the project...
  • Page 55 The operation record of the upper stage project will be automatically transferred to the connected USB storage device. When “ ” is entered, the operation record of the upper stage project will be automatically cleared. 3.5.2.1 Please enter the project name Used to fill in the project name .3.5.2.2 Please enter the project number Used to fill in the project number.
  • Page 56 it will be displayed! . That means the solenoid valve is normal. 3.5.2.4 Zeroing Enter the "zeroing" screen： Name Function Description Before and after the tilt relative value zero Tilt and fine-tune Zero rotation and fine adjustment of rotation Rotation angle angle Correction value is zeroed Correction correction value is zeroed...
  • Page 57 3.5.2.5 Bull's eye correction Enter the "bullet correction" screen: Instructions: Put appropriate light into the target box, small display on the left side of the console (as shown in the figure below) can see the target circle and XY coordinates as the principle, the small green coil of the display must match the target circle seen by the camera is the correct design set.
  • Page 58 When you change the XY number, the green drawing will move, and changing the radius will change the size of the circle.
  • Page 59 3.5.2.6 Face plate rotation direction correction Enter the "face plate rotation direction correction" screen: Instructions: If the rotation direction of the cutterhead is opposite to the console control button, press to switch.
  • Page 60 3.5.2.7 Operation screen Enter the "operation screen": Name Function Description Location display area Laser target position display manufacturer Equipment manufacturing company name Correction display area Deviation correction, correction, pressure display Information display area Display operation instructions Number of tubes display area Top tube quantity display Date and time display area Display current date, time...
  • Page 61 1 2 3 Name Function Description Current display area Cutter motor three-phase current display Left working When the cutter wheel rotates to the left, it is displayed in green Current display area Cutter motor current display Right operation When the cutter wheel rotates to the right, it is displayed in green Machine oil pressure display Internal pump station pressure display...
  • Page 62 10 11 12 1 2 3 4 5 6 7 Name Function Description In-tube bypass display area When the bypass in the tube is on, it is displayed in green Inside bypass opening display When the bypass is turned on, it is displayed in green area Pit pit bypass open display area When the pit is bypassed, it is displayed in green...
  • Page 63 Push distance display area Pipe jacking construction advance distance display Muddy water flow display area Sludge pump flow display Push pressure display area Main jacking cylinder push pressure display Oil pressure display area Main top pump station motor speed display...
  • Page 64 3.5.3 Menu Enter the main menu "menu" area： Name Function Description Crusher over current Cutter motor maximum current limit Stop the main jacking cylinder Main motor limit of the main pump station current Over current delay detection Delayed alarm time after maximum limit current is seconds exceeded Low flow limit...
  • Page 65 Instructions： When the motor speed of the cutterhead exceeds the set value of and the time exceeds the set value of , the cutterhead motor stops automatically; When the motor speed of the cutterhead exceeds the set value of , the master cylinder will automatically stop, but the cutterhead motor will continue to operate.
  • Page 66 Name Function Description High pressure and low pressure Maximum propulsion pressure limit when operating the console Low pressure and high pressure Maximum propulsion pressure limit during on-site operation Back pressure Main top cylinder maximum retraction pressure limit Low-pressure high-speed Maximum speed limit during on-site operation rotation Internal hydraulic pressure In-machine pump station maximum pressure limit...
  • Page 67 Instructions： When the operation console operates the main jacking cylinder forward, when the operation screen displays and the set value exceeds , the main jack cylinder automatically stops; When the on-site operation of the main top cylinder is taken over to take over the operation, if the value displayed on the operation screen exceeds the set value , the low-pressure hydraulic pump stops working, leaving only the high-pressure pump to discharge oil;...
  • Page 68 Name Function Description Push record interval (minutes) Pushover time of the pushover machine Rotation angle warning value Maximum rotation limit Is the bypass valve not open Is the internal bypass valve not open warning warning Is the rotation angle too large Whether the rotation maximum angle setting exceeds Warning the warning...
  • Page 69 startup screen Boot interface display Operation screen Operation main interface display Enter the "Promotion Records" area： Name Function Description X coordinate Display the X-direction offset track of the jacking machine Y coordinate Display pipe jacking machine Y direction offset trajectory XY coordinates Display the X, Y direction offset trajectory of the pipe jacking machine...
  • Page 71 Enter the "X coordinate" area： Enter the "current" area：...
  • Page 73 Enter the "thrust" area： Enter the "propulsion speed" area：...
  • Page 74 Enter the "Advance Form" area： Enter the " Alert Table " area：...
  • Page 75 Enter the "adjustment calibration" area： Solenoid valve detection, zero return, and bull's-eye correction are the same as the initial settings. See 3.5.2.3~3.5.2.5 for details. Other functions In addition to "PLC monitoring", you need a password to log in, if you press the function button Enter the following characters：...
  • Page 76 damaged due to the operator's change of settings, the user is responsible for it. Enter the "solenoid valve operation setting"area： The pipe jack is set according to the above figure before leaving the factory. When it is found that the button does not match the action, it needs to be reset.
  • Page 77 Correction method: 1) In order to facilitate the correction, please remove the target box from the nose, connect the operation line, and send power from power supply of the head. 2) Use the electronic leveler to correct the horizontal direction according to the following figure;...
  • Page 78 Enter "rotation angle correction" area： Correction method: 1) In order to facilitate the correction, please remove the target box from the nose, connect the operation line, and send power to the head. 2) Use the electronic leveler to correct the horizontal direction according to the following figure.
  • Page 79 Enter "rotation angle correction" area： Correction method: 1) Parameter setting (ANHI) is required when the frequency transmitter in the control cabinet is used in a new machine or a frequency transmitter is changed. 2) Press the hydraulic pump start button of the electric control cabinet. 3) Open the electric control cabinet door, frequency sensor press 【ENT】...
  • Page 80 change the value, change the data to 00400, and then press [ENT] for more than 2s to complete the setting.； To understand frequency transmitter operation instructions, please refer to the TA-MF series SetPro microcomputer-based frequency isolation transmitter instruction manual. 5) The operating table adjusts the speed about 1500r/min; 6) Install the top iron and the stopper on the main top device so that the two main top oil cylinders can run synchronously;...
  • Page 81 Enter "rotation angle correction" area： Enter the corresponding address information in the [input IO address] position, you can view the data of the PLC's IO address, as a reference for maintenance judgment. Enter the "front tilt correction" area：...
  • Page 82 Correction method:： 1）The nose is corrected downwards, and the front and rear tilt angles A and B are measured by an electronic level rule, expressed in terms of thousandths. 2) After inputting A minus B data, press OK to complete the setting (note the positive and negative);...
  • Page 83 the front tilt is calculated by using the corrective angle. This correction is calculated by comparing the proportion of the upper and lower corners of the correction calculated by the displacement sensor. Enter the "rear gear warranty" area： 1) The operating hours of various devices can be seen at the top of the screen. You can understand the relationship between how long each device is operating and the consumption of parts, and it is used as the basis for replacing the consumables in advance.
  • Page 84 Enter the "Hydraulic Unit Warranty" area： 1) According to the items in the above figure, after entering the items to be maintained, press [Record]; 2) The table below shows the historical warranty record.
  • Page 85 Enter the "Repair Department Warranty" area： 1) According to the items in the above figure, after entering the items to be maintained, press [Record]; 2) The table below shows the historical warranty record. 
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  • Page 86 Enter the Run Hours Correction area： You can modify the operating hours to ensure the correctness of the hour record when replacing a new part.
  • Page 87 Enter the "PLC module monitoring" area： When the error box flashes red, it indicates that the module is faulty or the communication line is disconnected. Check whether the module is normal. 
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  • Page 88 3.5.4 Continuation of Construction of old project Continue to complete the old project and enter the construction operation screen. 3.5.5 Traditional Chinese Switch language types, including Chinese Simplified and Traditional Chinese. 3.5.6 Tips pipe jack operation Tips. Chapter Four Lubrication and Maintenance...

  • Page 89: Recommendation Form Of Lubricating Oil And Antifreeze Liquid

    4.1 Recommendation Form of Lubricating Oil and Antifreeze Liquid Recommendation form of the lubricating oil, diesel, hydraulic oil and antifreeze liquid used by Xuzhou Construction Machinery Group Co., Ltd. Recommendation form 1 for the actual refilled oil brand of drill in temperature -15℃~+40℃：...

  • Page 90: The Maintenance Schedule Of Machine

    4.2 The maintenance schedule of machine...
  • Page 91 Period of maintenance Inspe Draina Clea Initial Regular ction lubricat replace replacem Items to be maintained ing oil ment (grease) After using Guard knife After using Wear-resistant After weld using Cutter reducer Head Internal After bypass valve using Inside and After outside using...
  • Page 92 Inside and outside bypass valve cylinder Suction filter 1000 Return filter 1000 Before leakage working Mud system After After using using system Before leakage 1000 working Fasteners 。...

  • Page 93: Chapter Five Common Malfunctions And Solutions

    Chapter Five Common Malfunctions and Solutions 5.1 Hydraulic System Common Malfunctions and Solutions Causes Measures According to R phase: red, S phase: Reversed white, T phase: blue, correctly phase Power supply wiring is incorrect. connected, if the reverse phase still abnormality occurs, R phase and T need to be exchanged with each other.
  • Page 94 Damaged parts Replace parts Parts wear, gap is too large, leakage is Repair or replace parts serious Hydraulic pump The oil level is too low and the Supplement fluid hydraulic pump is empty Insufficient sealing of suction pipe, Tighten joints, check tubing, strengthen resulting in suction seals Pressure oil pipeline is not tightly...
  • Page 95 2）Phenomenon: Crawling Causes Measures Throttle valve or throttle valve flow instability Use Throttle valve or throttle valve flow flow control valve with good flow stability instability Use flow control valve with good flow stability Hydraulic cylinder parts are poorly Replace parts that do not meet machined and assembled with high accuracy requirements and reassemble Hydraulic...
  • Page 96 3）Phenomenon: Impact Causes Measures Set the buffer device Set the buffer device Repair buffer device check valve Repair buffer device check valve Hydraulic cylinder Repair buffer plunger as required Repair buffer plunger as required Prepare a buffer plunger or piston Prepare a buffer plunger or piston Throttle opening too large Adjust the throttle valve...
  • Page 97 4）Phenomenon: Vibration and Noise Causes Measures cient fluid causes suction Make up the fluid Hydraulic pump suction position is too Adjust the hydraulic pump suction high Suction pipe is not tightly sealed and Strengthen the suction pipe seal air is sucked in The viscosity of the oil is too large and Replace hydraulic oil it is difficult to absorb oil...
  • Page 98 Co-quake with other components Adjust pressure to avoid common shock, or change the natural vibration frequency of the vibration system Electromagnet suction is not strict Repair electromagnet Directional Spool stuck Clean or rest valve bodies and spools valve Bad electromagnet welding Resolder Damaged or hard spring Replace spring...
  • Page 99 5）Phenomenon: Increased oil temperature Causes Measures Unreasonable operation, the hydraulic system is Reasonably operate the machine, overflowing for a long time, and the system generates especially to prevent prolonged heat pressure High work pressure Reduce work pressure reasonably Leakage causes serious loss of volume Reinforced seal Hydraulic pipe joints age, causing pressure loss Replace pipe fittings...
  • Page 100 1. The above content is just the basic experience and solution method summarized in practice for some common problems. The causes or exclusion methods of failures are not detailed in detail and need to be determined according to the actual situation. 2.

  • Page 101: Transportation Of Drill

    3) Select a set of wire ropes, the ends are connected by a ring, and there are several branches. Each branch has a hook, and hang the hooks in the hoisting holes of each part; 4) Hoisting with crane equipment such as truck cranes. XDN450 Pipe jacking machine transport dimensions as shown below...
  • Page 102 Cutting head...
  • Page 103 Main jacking device...
  • Page 104 Console Electric control cabinet Main pump station...
  • Page 105 6.3 Daily storage and protection When storing the pipe jacking machine, note the following: 1) Before the pipe jacking machine is stored, the entire machine is cleaned. In particular, the mud pumping system needs to be cleaned to keep the whole machine clean and tidy. 2) It is recommended to place the parts flat on the ground, correcting the cylinder, the main fuel tank are in a fully contracted state (the whole state and the same transport status, see the transport dimensions of the drawings);...
  • Page 106 Appendix A Electrical schematic diagram XDN450 Electrical schematic diagram（⼀）...
  • Page 107 XDN450 Electrical schematic diagram（⼆）...
  • Page 108 XDN450 Electrical schematic diagram（三）...
  • Page 109 XDN450 Electrical schematic diagram（四）...
  • Page 110 XDN450 Electrical schematic diagram（五）...
  • Page 111 XDN450 Electrical schematic diagram（六）...
  • Page 112 XDN450 Electrical schematic diagram（七）...
  • Page 113 XDN450 Electrical schematic diagram（⼋）...
  • Page 114 XDN450 Electrical schematic diagram（九）...
  • Page 115 XDN450 Electrical schematic diagram（⼗）...
  • Page 116 XDN450 Electrical schematic diagram（⼗⼀）...
  • Page 117 XDN450 Electrical schematic diagram（⼗⼆）...
  • Page 118 XDN450 Electrical schematic diagram（⼗三）...
  • Page 119 XDN450 Electrical schematic diagram（⼗四）...
  • Page 120 XDN450 Electrical schematic diagram（⼗五）...
  • Page 121 XDN450 Electrical schematic diagram（⼗六）...
  • Page 122 Appendix B Hydraulic schematic diagram XDN450 Machine hydraulic schematic diagram...
  • Page 123 XDN600 Machine hydraulic schematic diagram 
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  • Page 124 XDN450 Main top hydraulic schematic diagram...
  • Page 125 徐州⼯程机械集团有限公司 XUZHOU CONSTRUCTION MACHINERY GROUP Co.,Ltd. ⽣产单位：徐州徐⼯基础⼯程机械有限公司 Xuzhou Xugong Foundation Construction Machinery Co.,Ltd. 地址：中国.江苏.徐州经济开发区驮蓝⼭路36号 Add：No.36 Tuolanshan Road, Economic Developing zone,Xuzhou JiangSu, China 全国统⼀客服热线：（Tel）：400-110-9999 销售部电话（Tel）：0516-87892612 87892620 服务处电话（Tel）：0516-87892690 传真（Fax）：0516-87738173 邮编（Postcode）：221004 ⽹址：http://www.xcmgjc.com 2016年5⽉版...

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