CN114321052A - Hydraulic power system of shallow sea cable burying equipment - Google Patents

Hydraulic power system of shallow sea cable burying equipment Download PDF

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Publication number
CN114321052A
CN114321052A CN202210052151.6A CN202210052151A CN114321052A CN 114321052 A CN114321052 A CN 114321052A CN 202210052151 A CN202210052151 A CN 202210052151A CN 114321052 A CN114321052 A CN 114321052A
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China
Prior art keywords
hydraulic
ditching
motor
way valve
proportional multi
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CN202210052151.6A
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Chinese (zh)
Inventor
赵敏
刘凯杰
黄北京
孟志强
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Tianjin Jieqiang Power Equipment Co ltd
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Tianjin Jieqiang Power Equipment Co ltd
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Priority to CN202210052151.6A priority Critical patent/CN114321052A/en
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Abstract

The invention relates to the technical field of cable burying equipment, in particular to a hydraulic power system of shallow sea cable burying equipment, which comprises a traveling mechanism driving system, a ditching and slewing mechanism driving system and a ditching and amplitude changing mechanism driving system, wherein the ditching and slewing mechanism driving system comprises a hydraulic closed variable pump and a ditching motor
Figure 100004_DEST_PATH_IMAGE002
Ditching motor
Figure 100004_DEST_PATH_IMAGE004
A closed hydraulic loop is formed to realize the forward and reverse rotation of the ditching and slewing mechanism, an open hydraulic system consisting of an open variable pump, a hydraulic control proportional multi-way valve, a left walking motor and a right walking motor is used for controlling the left walking motor and the right walking motor to run to realize the walking and steering of the equipment, and the ditching and amplitude-changing mechanism driving system consists of an open variable pump, a hydraulic control proportional multi-way valve and an amplitude-changing oil cylinder
Figure 220135DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 11374DEST_PATH_IMAGE004
An open type hydraulic system is formed to realize the control of the ditching depth. The hydraulic system provided by the invention has stable and reliable operation and high working efficiency.

Description

Hydraulic power system of shallow sea cable burying equipment
Technical Field
The invention relates to the technical field of cable burying equipment, in particular to a hydraulic power system of shallow sea cable burying equipment.
Background
At present, in the pipe cable burying engineering of a shallow sea area, a common construction method is that pipelines and cables are paved on a designed pipeline by a floating and dragging method, gullies are excavated by manually matching a plurality of excavators, and the pipelines and the cables are buried and then backfilled. Along with the market demand to the regional buried cable line equipment in shallow sea constantly improves and constantly upgrades to the requirement to equipment work efficiency, the automatic buried cable equipment in shallow sea of an efficient section of urgent need design development in market uses hydraulic power system drive equipment, realizes burying the construction underground fast of pipe cable.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hydraulic power system of shallow sea cable burying equipment, which is stable and reliable in operation and high in working efficiency.
The invention is realized by the following technical scheme:
a hydraulic power system of shallow sea cable burying equipment comprises a traveling mechanism driving system, a ditching swing mechanism driving system and a ditching luffing mechanism driving system, wherein the ditching swing mechanism driving system is composed of a hydraulic closed variable pump and a ditching motor
Figure 100002_DEST_PATH_IMAGE002
Ditching motor
Figure 100002_DEST_PATH_IMAGE004
The ditching and slewing mechanism comprises a closed hydraulic loop to realize forward and reverse rotation of the ditching and slewing mechanism, an open hydraulic system consisting of an open variable pump, a hydraulic control proportional multi-way valve, a left walking motor and a right walking motor controls the left walking motor and the right walking motor to run to realize equipment walking and steering, and a ditching and amplitude-changing mechanism driving system consists of an open variable pump, a hydraulic control proportional multi-way valve and an amplitude-changing oil cylinder
Figure 877531DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 978211DEST_PATH_IMAGE004
An open type hydraulic system is formed to realize the control of the ditching depth.
Furthermore, the hydraulic closed variable pump is integrated with an oil supplementing pump communicated with the oil tank.
Optimally, the closed hydraulic circuit is composed of a hydraulic handle
Figure 100002_DEST_PATH_IMAGE006
And (5) controlling.
Furthermore, the running mechanism driving system and the ditching luffing mechanism driving system share an open variable displacement pump and a hydraulic control proportional multi-way valve, the hydraulic control proportional multi-way valve is a triple hydraulic control proportional multi-way valve, and one of the triple hydraulic control proportional multi-way valve and the luffing cylinder
Figure 410592DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 381959DEST_PATH_IMAGE004
And the other two hydraulic control proportional multi-way valves are respectively communicated with the left traveling motor and the right traveling motor.
Furthermore, a load sensitive reversing valve and a pressure compensation reversing valve are integrated in the open variable displacement pump.
Furthermore, a fast and slow speed control valve is connected between the open type variable displacement pump and the left walking motor and the right walking motor.
Furthermore, the triple hydraulic control proportional multi-way valve consists of a hydraulic handle
Figure 45022DEST_PATH_IMAGE002
Hydraulic handle
Figure 600375DEST_PATH_IMAGE004
Hydraulic handle
Figure 100002_DEST_PATH_IMAGE008
And (5) controlling.
Optimally, the open variable displacement pump is provided with a temperature sensor.
Optimized, hydraulic handles
Figure 803823DEST_PATH_IMAGE006
A pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 895276DEST_PATH_IMAGE002
Ditching motor
Figure 230704DEST_PATH_IMAGE002
Ditching motor
Figure 243660DEST_PATH_IMAGE004
Pressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 922903DEST_PATH_IMAGE004
Pressure sensor
Figure 603283DEST_PATH_IMAGE008
A pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open variable displacement pump
Figure 372262DEST_PATH_IMAGE006
Pressure sensor
Figure 100002_DEST_PATH_IMAGE010
The invention has the advantages of
The hydraulic power system and the hydraulic power system of the shallow sea cable burying device provided by the invention have the following advantages: the hydraulic power system is used for controlling each working device of the cable burying equipment, a large amount of manpower is saved, the excavating equipment is initiated at home, and the cable burying efficiency is improved by dozens of times; the ditching system adopts a closed hydraulic loop, has simple form and high efficiency, and realizes the forward and reverse rotation switching of ditching equipment; the pressure and temperature sensor is arranged, so that the construction state can be observed at any time, and the construction safety is ensured.
Drawings
FIG. 1 is a schematic diagram of a hydraulic power system of the present invention;
in the figure: 1. hydraulic closed variable pump, 2 oil replenishing pump, 3 open variable pump, 4 hydraulic handle
Figure 465989DEST_PATH_IMAGE006
5. ditching motor
Figure 450388DEST_PATH_IMAGE002
6. ditching motor
Figure 250853DEST_PATH_IMAGE004
7, hydraulic control proportional multi-way valve, 8, hydraulic handle
Figure 426620DEST_PATH_IMAGE002
9. hydraulic handle
Figure 506178DEST_PATH_IMAGE004
10. hydraulic handle
Figure 792803DEST_PATH_IMAGE008
11 right walking motor, 12 left walking motor, 13 fast and slow speed control valve, 14 amplitude variable oil cylinder
Figure 916617DEST_PATH_IMAGE002
Variable amplitude oil cylinder
Figure 764749DEST_PATH_IMAGE004
Figure 764749DEST_PATH_IMAGE004
16 temperature sensor, 17 pressure sensor
Figure 239593DEST_PATH_IMAGE002
Figure 239593DEST_PATH_IMAGE002
18. pressure sensor
Figure 329909DEST_PATH_IMAGE004
Pressure sensor
19
Figure 573808DEST_PATH_IMAGE008
20. pressure sensor
Figure 324333DEST_PATH_IMAGE006
21. pressure sensor
Figure 286473DEST_PATH_IMAGE010
Detailed Description
A hydraulic power system of shallow sea cable burying equipment comprises a traveling mechanism driving system, a ditching swing mechanism driving system and a ditching luffing mechanism driving system, wherein the ditching swing mechanism driving system is composed of a hydraulic closed variable pump 1 and a ditching motor
Figure 914900DEST_PATH_IMAGE002
5. Ditching motor
Figure 278886DEST_PATH_IMAGE004
6, a closed hydraulic loop is formed to realize forward and reverse rotation of the ditching and rotating mechanism.
During specific implementation, as shown in fig. 1, variable pressure oil is provided for the closed variable displacement pump, the pilot reversing valve can be controlled to reverse, so that a pilot oil source in the closed variable displacement pump enters the swash plate angle control plunger of the closed variable displacement pump through the pilot reversing valve, the inclination angle of the swash plate of the closed variable displacement pump is changed, the displacement of the closed variable displacement pump is changed, and an oil outlet of the closed variable displacement pump and a ditching motor respectively form a flow path for the ditching motor
Figure 937662DEST_PATH_IMAGE002
Ditching motor
Figure 387098DEST_PATH_IMAGE004
Communicated and closed variable displacement pump displacement is changed to realize a ditching motor of a ditching device
Figure 819216DEST_PATH_IMAGE002
Ditching motor
Figure 37708DEST_PATH_IMAGE004
The change of the output rotating speed finally realizes the continuous adjustment of the ditching speed.
The oil direction of the variable outlet of the closed pump is changed along with the positive and negative changes of the inclination direction of the swash plate. The oil from A4 outlet enters the ditching motor at the same time
Figure 661194DEST_PATH_IMAGE002
A5 opening, ditching motor
Figure 332347DEST_PATH_IMAGE004
The opening B6 realizes a ditching motor
Figure 302577DEST_PATH_IMAGE002
Ditching motor
Figure 375575DEST_PATH_IMAGE004
When the oil is discharged from the B4 outlet, the oil enters the ditching motor at the same time
Figure 438471DEST_PATH_IMAGE002
B5, ditching motor
Figure 862500DEST_PATH_IMAGE004
The port A6 makes the motor rotate in the opposite direction, thereby realizing the forward and reverse rotation switching of the motor output shaft.
The running mechanism driving system is composed of an open type variable pump 3, a hydraulic control proportional multi-way valve 7, a left running motor 12 and a right running motor 11 to form an open type hydraulic system for controlling the running of the left running motor and the right running motor to realize the running and the steering of the equipment,
the ditching luffing mechanism driving system consists of an open variable pump 3, a hydraulic control proportional multi-way valve 7 and a luffing cylinder
Figure 636420DEST_PATH_IMAGE002
14 and variable amplitude oil cylinder
Figure 62460DEST_PATH_IMAGE004
15 to form an open hydraulic system to realize the control of the ditching depth.
In specific implementation, as shown in fig. 1, the hydraulic control proportional multi-way valve is communicated with the open type variable displacement pump, and the oil outlet of the hydraulic control proportional multi-way valve A3 is respectively communicated with the variable amplitude oil cylinder
Figure 263635DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 909380DEST_PATH_IMAGE004
Oil inlets A9 and A10 are communicated, and oil outlets of a hydraulic control proportional multi-way valve B3 are respectively communicated with a variable amplitude oil cylinder
Figure 221412DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 770467DEST_PATH_IMAGE004
The oil inlets B9 and B10 are communicated, the pitching angle of the ditching device can be adjusted, and the ditching depth can be adjusted.
Oil outlets A2 and B2 of the hydraulic control proportional multi-way valve are respectively communicated with oil inlets A7 and B7 of the left walking motor, oil outlets A1 and B1 of the hydraulic control proportional multi-way valve are respectively communicated with oil inlets A8 and B8 of the right walking motor, the walking device is driven to move forwards and backwards, and the left motor and the right motor can be independently controlled, so that the turning action of the cable burying device is realized.
Furthermore, the hydraulic closed variable displacement pump is integrated with an oil supplementing pump 2 communicated with the oil tank, can provide supplemented hydraulic oil for the closed hydraulic loop, and plays a role in cooling the oil and assisting in controlling the required pressure oil.
Optimally, the closed hydraulic circuit is composed of a hydraulic handle
Figure 142543DEST_PATH_IMAGE006
4 control, by hydraulic handle
Figure 275584DEST_PATH_IMAGE006
The ports a4 and b4 in the pump can be respectively led to a closed variable pumpX1 and X2 of the proportional reversing valve provide variable pressure oil to control the reversing of the pilot reversing valve, so that the operation is more convenient.
Furthermore, the running mechanism driving system and the ditching luffing mechanism driving system share an open variable displacement pump and a hydraulic control proportional multi-way valve, the hydraulic control proportional multi-way valve is a triple hydraulic control proportional multi-way valve, and one of the triple hydraulic control proportional multi-way valve and the luffing cylinder
Figure 125728DEST_PATH_IMAGE002
14 and variable amplitude oil cylinder
Figure 27825DEST_PATH_IMAGE004
And the other two hydraulic control proportional multi-way valves are respectively communicated with the left traveling motor and the right traveling motor, so that the system is further simplified and runs stably and reliably.
Furthermore, a load sensitive reversing valve and a pressure compensation reversing valve are integrated in the open type variable displacement pump, so that the open type variable displacement pump has the functions of load sensitivity and pressure compensation.
Further, a fast and slow speed control valve 13 is connected between the open type variable displacement pump and the left and right traveling motors. The speed switching of the walking device under different working conditions such as a non-working state and a working state can be realized. The fast and slow speed control valve is used for cutting off or communicating variable swash plate control oil Ps of the walking motor by matching a pressure reducing valve and an electromagnetic directional valve, so that the walking speed is adjusted.
Furthermore, the triple hydraulic control proportional multi-way valve consists of a hydraulic handle
Figure 69337DEST_PATH_IMAGE002
8. Hydraulic handle
Figure 424095DEST_PATH_IMAGE004
9. Hydraulic handle
Figure 343510DEST_PATH_IMAGE008
10 control, hydraulic handle
Figure 100113DEST_PATH_IMAGE002
Hydraulic handle
Figure 315456DEST_PATH_IMAGE004
Hydraulic handle
Figure 688669DEST_PATH_IMAGE008
Oil outlets a1, a2 and a3 are respectively connected with reversing pilot control oil ports y1, y2 and y3 of the triple pilot control proportional multi-way valve, and a hydraulic handle is arranged
Figure 411774DEST_PATH_IMAGE002
Hydraulic handle
Figure 544856DEST_PATH_IMAGE004
Hydraulic handle
Figure 695215DEST_PATH_IMAGE008
Oil outlets b1, b2 and b3 of the hydraulic control proportional multi-way valve are respectively connected with reversing pilot control oil ports z1, z2 and z3 of the triple hydraulic control proportional multi-way valve, and the hydraulic control proportional multi-way valve is operated by operating a hydraulic handle
Figure 24565DEST_PATH_IMAGE002
Hydraulic handle
Figure 285782DEST_PATH_IMAGE004
Hydraulic handle
Figure 252864DEST_PATH_IMAGE008
The pressure oil reaches a corresponding reversing control port of the triple hydraulic control proportional multi-way valve through the handle, the triple hydraulic control proportional multi-way valve can be remotely controlled to realize reversing, the hydraulic handle has proportional performance, the proportional performance of the triple hydraulic control proportional multi-way valve can be stabilized, and the mechanism can stably and reliably run.
Optimized, temperature sensor 16 is installed to open variable pump, and the cooling system of hydraulic oil can be integrated in engine water cooling system, utilizes the engine to rotate and carries out air-cooled forced heat dissipation, and temperature sensor can monitor open variable pump's temperature at any time, makes things convenient for operating personnel to observe the system operating mode at any time, in time takes measures when meetting the abnormal conditions, ensures hydraulic power system's safe operation, buries the normal smooth construction of cable equipment.
Optimized, hydraulic handles
Figure 574124DEST_PATH_IMAGE006
A pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 390770DEST_PATH_IMAGE002
17, ditching motor
Figure 190099DEST_PATH_IMAGE002
Ditching motor
Figure 805494DEST_PATH_IMAGE004
Pressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 297655DEST_PATH_IMAGE004
Figure 297655DEST_PATH_IMAGE004
18. Pressure sensor
Figure 601598DEST_PATH_IMAGE008
Figure 601598DEST_PATH_IMAGE008
19, a pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open type variable displacement pump
Figure 939038DEST_PATH_IMAGE006
20. Pressure sensor
Figure 677449DEST_PATH_IMAGE010
And 21, a necessary pressure sensor detection element is arranged in the hydraulic system, the pressure of each part of the system is monitored, and information is uploaded to a human-computer interface in real time, so that an operator can conveniently observe the working condition of the system at any time, and timely measures are taken when an abnormal condition occurs, thereby ensuring the safe operation of the hydraulic power system and the normal and smooth construction of the cable burying equipment.
In conclusion, the hydraulic power system of the shallow sea cable burying equipment, which is protected by the invention, is used for controlling each working device of the cable burying equipment, so that a large amount of manpower and excavating equipment are saved, and the cable burying efficiency is improved by dozens of times; the drive system of the ditching and slewing mechanism adopts a closed hydraulic loop, so that the form is simple, the efficiency is high, and the forward and reverse installation switching of the ditching equipment is realized; and the pressure and temperature sensors are arranged, so that the construction state can be observed at any time, and the construction safety is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The hydraulic power system of the shallow sea cable burying device is characterized by comprising a traveling mechanism driving system, a ditching swing mechanism driving system and a ditching luffing mechanism driving system, wherein the ditching swing mechanism driving system comprises a hydraulic closed variable pump and a ditching motor
Figure DEST_PATH_IMAGE002
Ditching motor
Figure DEST_PATH_IMAGE004
The ditching and slewing mechanism comprises a closed hydraulic loop to realize forward and reverse rotation of the ditching and slewing mechanism, an open hydraulic system consisting of an open variable pump, a hydraulic control proportional multi-way valve, a left walking motor and a right walking motor controls the left walking motor and the right walking motor to run to realize equipment walking and steering, and a ditching and amplitude-changing mechanism driving system consists of an open variable pump, a hydraulic control proportional multi-way valve and an amplitude-changing oil cylinder
Figure 176663DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 765907DEST_PATH_IMAGE004
An open type hydraulic system is formed to realize the control of the ditching depth.
2. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 1, wherein said hydraulic closed variable displacement pump is integrated with an oil replenishing pump communicated with an oil tank.
3. The hydraulic power system for shallow sea cable burying equipment as claimed in claim 2, wherein said closed hydraulic circuit is formed by hydraulic handle
Figure DEST_PATH_IMAGE006
And (5) controlling.
4. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 3, wherein the traveling mechanism driving system and the ditching luffing mechanism driving system share an open variable pump and a hydraulic control proportional multi-way valve, and the hydraulic control proportional multi-way valve is a triple hydraulic control proportional multi-way valve, wherein one of the triple hydraulic control proportional multi-way valve and the luffing cylinder
Figure 185125DEST_PATH_IMAGE002
And variable amplitude oil cylinder
Figure 518017DEST_PATH_IMAGE004
And the other two hydraulic control proportional multi-way valves are respectively communicated with the left traveling motor and the right traveling motor.
5. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 4, wherein load sensitive reversing valve and pressure compensation reversing valve are integrated in said open variable displacement pump.
6. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 4, wherein a fast and slow speed control valve is connected between the open type variable displacement pump and the left and right traveling motors.
7. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 4, wherein said triple hydraulic control proportional multi-way valve is composed of hydraulic handle
Figure 270072DEST_PATH_IMAGE002
Hydraulic handle
Figure 528753DEST_PATH_IMAGE004
Hydraulic handle
Figure DEST_PATH_IMAGE008
And (5) controlling.
8. The hydraulic power system of shallow sea cable burying equipment as claimed in claim 4, wherein the open variable displacement pump is equipped with a temperature sensor.
9. The hydraulic power system for shallow sea cable burying equipment as claimed in claim 7, wherein the hydraulic handle is a hydraulic handle
Figure 671153DEST_PATH_IMAGE006
A pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 807736DEST_PATH_IMAGE002
Ditching motor
Figure 912833DEST_PATH_IMAGE002
Ditching motor
Figure 843880DEST_PATH_IMAGE004
Pressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump
Figure 270313DEST_PATH_IMAGE004
Pressure sensor
Figure 679429DEST_PATH_IMAGE008
A pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open variable displacement pump
Figure 373453DEST_PATH_IMAGE006
Pressure sensor
Figure DEST_PATH_IMAGE010
CN202210052151.6A 2022-01-18 2022-01-18 Hydraulic power system of shallow sea cable burying equipment Pending CN114321052A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011196439A (en) * 2010-03-18 2011-10-06 Yanmar Co Ltd Hydraulic circuit of turning working vehicle
CN103195763A (en) * 2013-04-18 2013-07-10 中联重科股份有限公司 Hydraulic driving system, double-driving system and engineering machinery both with same
CN103244476A (en) * 2013-04-18 2013-08-14 宝鸡南车时代工程机械有限公司 Railway track operating vehicle with closed static-pressure travelling system
CN210610279U (en) * 2019-04-04 2020-05-26 泰安市山立机械设备有限公司 Ditching device based on from walking
CN112575834A (en) * 2020-11-30 2021-03-30 亨通海洋工程有限公司 Self-walking cable burying machine under shallow sea water
CN113246703A (en) * 2021-07-02 2021-08-13 苏占红 Electrically-driven traveling system and control system of crawler-type engineering truck
CN113915262A (en) * 2021-10-27 2022-01-11 徐工集团工程机械股份有限公司科技分公司 Novel braking and fan driving system and driving method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011196439A (en) * 2010-03-18 2011-10-06 Yanmar Co Ltd Hydraulic circuit of turning working vehicle
CN103195763A (en) * 2013-04-18 2013-07-10 中联重科股份有限公司 Hydraulic driving system, double-driving system and engineering machinery both with same
CN103244476A (en) * 2013-04-18 2013-08-14 宝鸡南车时代工程机械有限公司 Railway track operating vehicle with closed static-pressure travelling system
CN210610279U (en) * 2019-04-04 2020-05-26 泰安市山立机械设备有限公司 Ditching device based on from walking
CN112575834A (en) * 2020-11-30 2021-03-30 亨通海洋工程有限公司 Self-walking cable burying machine under shallow sea water
CN113246703A (en) * 2021-07-02 2021-08-13 苏占红 Electrically-driven traveling system and control system of crawler-type engineering truck
CN113915262A (en) * 2021-10-27 2022-01-11 徐工集团工程机械股份有限公司科技分公司 Novel braking and fan driving system and driving method

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