CN114321052A - Hydraulic power system of shallow sea cable burying equipment - Google Patents
Hydraulic power system of shallow sea cable burying equipment Download PDFInfo
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- 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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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 motorDitching motorA 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 cylinderAnd variable amplitude oil cylinderAn 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
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 motorDitching motorThe 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 cylinderAnd variable amplitude oil cylinderAn 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.
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 cylinderAnd variable amplitude oil cylinderAnd 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 handleHydraulic handleHydraulic handleAnd (5) controlling.
Optimally, the open variable displacement pump is provided with a temperature sensor.
Optimized, hydraulic handlesA pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pumpDitching motorDitching motorPressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pumpPressure sensorA pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open variable displacement pumpPressure sensor。
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 handle5. ditching motor6. ditching motor7, hydraulic control proportional multi-way valve, 8, hydraulic handle9. hydraulic handle10. hydraulic handle11 right walking motor, 12 left walking motor, 13 fast and slow speed control valve, 14 amplitude variable oil cylinderVariable amplitude oil cylinder 16 temperature sensor, 17 pressure sensor 18. pressure sensorPressure sensor 1920. pressure sensor21. pressure sensor。
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 motor5. Ditching motor6, 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 motorDitching motorCommunicated and closed variable displacement pump displacement is changed to realize a ditching motor of a ditching deviceDitching motorThe 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 timeA5 opening, ditching motorThe opening B6 realizes a ditching motorDitching motorWhen the oil is discharged from the B4 outlet, the oil enters the ditching motor at the same timeB5, ditching motorThe 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 cylinder14 and variable amplitude oil cylinder15 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 cylinderAnd variable amplitude oil cylinderOil 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 cylinderAnd variable amplitude oil cylinderThe 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 handle4 control, by hydraulic handleThe 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 cylinder14 and variable amplitude oil cylinderAnd 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 handle8. Hydraulic handle9. Hydraulic handle10 control, hydraulic handleHydraulic handleHydraulic handleOil 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 arrangedHydraulic handleHydraulic handleOil 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 handleHydraulic handleHydraulic handleThe 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 handlesA pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump17, ditching motorDitching motorPressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pump 18. Pressure sensor 19, a pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open type variable displacement pump20. Pressure sensorAnd 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 motorDitching motorThe 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 cylinderAnd variable amplitude oil cylinderAn 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.
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 cylinderAnd variable amplitude oil cylinderAnd 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.
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 handleA pressure sensor is arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pumpDitching motorDitching motorPressure sensors are respectively arranged between the hydraulic closed variable displacement pump and the hydraulic closed variable displacement pumpPressure sensorA pressure sensor is arranged between the triple hydraulic control proportional multi-way valve and the open variable displacement pumpPressure sensor。
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CN202210052151.6A CN114321052A (en) | 2022-01-18 | 2022-01-18 | Hydraulic power system of shallow sea cable burying equipment |
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Citations (7)
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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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- 2022-01-18 CN CN202210052151.6A patent/CN114321052A/en active Pending
Patent Citations (7)
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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