CN108422857B - Hydraulic driving device of track engineering vehicle - Google Patents

Hydraulic driving device of track engineering vehicle Download PDF

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Publication number
CN108422857B
CN108422857B CN201810359188.7A CN201810359188A CN108422857B CN 108422857 B CN108422857 B CN 108422857B CN 201810359188 A CN201810359188 A CN 201810359188A CN 108422857 B CN108422857 B CN 108422857B
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China
Prior art keywords
hydraulic
power
bogie
gearbox
track
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CN201810359188.7A
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Chinese (zh)
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CN108422857A (en
Inventor
宋端坡
梁勇
陈永昌
周细威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Dafang Special Vehicle Co Ltd
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Suzhou Dafang Special Vehicle Co Ltd
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Publication of CN108422857A publication Critical patent/CN108422857A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/22Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

The invention relates to a hydraulic driving device of a track engineering vehicle, which comprises a power source, a power driving assembly connected with the power source and a power bogie assembly connected with the power driving assembly, wherein the power driving assembly comprises: the hydraulic control system comprises a hydraulic pump connected with the power source, a hydraulic motor connected with the hydraulic pump, a gearbox connected with the hydraulic motor, a hydraulic control valve and a micro-electric control system, wherein the hydraulic control valve and the micro-electric control system are arranged between the hydraulic pump and the hydraulic motor, and the gearbox is connected with the power bogie assembly. The invention adopts hydrostatic transmission technology to replace traditional mechanical transmission or hydraulic transmission, has the advantages of high power-weight ratio, small volume, stepless speed regulation and the like, and has the potential of being applied to running vehicles such as engineering machinery and the like; compared with mechanical transmission and hydraulic transmission, the transmission technology can better enable the engineering truck to have excellent maneuverability and stability.

Description

Hydraulic driving device of track engineering vehicle
Technical Field
The invention relates to a track engineering vehicle, in particular to a hydraulic driving device of a track engineering vehicle.
Background
The track engineering vehicle can be divided into mechanical transmission, hydraulic transmission, hydrostatic transmission and electric transmission according to the power transmission mode. Because of the characteristics of high power weight ratio, small volume, stepless speed regulation and the like of the hydrostatic transmission, the hydrostatic transmission has the potential of being applied to running vehicles such as engineering machinery and the like. With the development of the manufacturing process and the improvement of the precision of the hydraulic element, the engine output power is sufficiently large, and the vehicle can run at high speed by changing the displacement ratio of the hydraulic pump and the hydraulic motor (the working parameters of the hydraulic pump and the hydraulic motor are in the rated working parameter range), and meanwhile, compared with the mechanical transmission and the hydraulic transmission technology, the hydrostatic transmission technology can have more excellent maneuvering performance on the engineering vehicle.
Disclosure of Invention
The invention aims to provide a hydraulic driving device for a track engineering vehicle, which replaces the traditional mechanical transmission or hydraulic transmission.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a track engineering truck hydraulic drive device, includes the power supply, with the power drive subassembly that the power supply is connected, with the power bogie subassembly that the power drive subassembly is connected, the power drive subassembly include: the hydraulic control system comprises a hydraulic pump connected with the power source, a hydraulic motor connected with the hydraulic pump, a gearbox connected with the hydraulic motor, a hydraulic control valve and a micro-electric control system, wherein the hydraulic control valve and the micro-electric control system are arranged between the hydraulic pump and the hydraulic motor, and the gearbox is connected with the power bogie assembly.
Preferably, the power bogie assembly comprises a bogie front end axle and a bogie rear end axle, wherein the two ends of the bogie front end axle and the bogie rear end axle are respectively connected with steel wheels, a front end speed reducer arranged on the bogie front end axle, a rear end speed reducer arranged on the bogie rear end axle, a transmission shaft connected between the front end speed reducer and the rear end speed reducer, and the gearbox is connected with an input port of the front end speed reducer.
Further preferably, the front end speed reducer has the same reduction ratio as the rear end speed reducer.
Preferably, the gearbox is in driving connection with the power bogie assembly through a universal shaft.
Preferably, the gearbox is provided with a clutch mechanism, the clutch mechanism is engaged when the vehicle is running normally, and the gearbox is connected with the power bogie assembly and drives the power steering engine assembly; when a fault occurs, the clutch mechanism is separated, and the gearbox is separated from the power bogie assembly.
Preferably, the gearbox is a primary gearbox and has the functions of reducing speed and increasing moment.
Preferably, the power source is a diesel engine.
Preferably, the power source is directly connected with the hydraulic pump.
Preferably, the hydraulic pump is a variable displacement hydraulic pump and/or the hydraulic motor is a variable displacement hydraulic motor.
Preferably, the hydraulic pump and the hydraulic motor adopt a closed loop system, and stepless speed regulation and high-speed running can be realized by changing the displacement ratio of the hydraulic pump and the hydraulic motor.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the hydrostatic transmission technology is adopted to replace the traditional mechanical transmission or hydraulic transmission, has the advantages of high power-weight ratio, small volume, stepless speed regulation and the like, and has the potential of being applied to running vehicles such as engineering machinery and the like;
compared with mechanical transmission and hydraulic transmission, the transmission technology can better enable the engineering truck to have excellent maneuverability and stability.
Drawings
FIG. 1 is a schematic diagram of the relationship of the power drive assembly of the present embodiment;
FIG. 2 is a schematic front view of the power drive assembly and the power truck assembly of the present embodiment;
fig. 3 is a schematic top view of the power driving assembly and the power bogie assembly according to the present embodiment.
Wherein: 10. a steel wheel; 11. front axle of bogie; 12. the rear axle of the bogie; 13. a front end speed reducer; 14. a rear end speed reducer; 15. a transmission shaft; 2. a gearbox; 3. a universal shaft; 4. a hydraulic motor.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
a hydraulic driving device of a track engineering vehicle comprises a power source, a power driving assembly connected with the power source and a power bogie assembly connected with the power driving assembly. Wherein:
the power source is a diesel engine and provides power for the driving device.
As shown in fig. 1: the power drive assembly includes: the hydraulic control system comprises a hydraulic pump connected with a power source, a hydraulic motor connected with the hydraulic pump, a gearbox connected with the hydraulic motor, a hydraulic control valve arranged between the hydraulic pump and the hydraulic motor and a micro-electric control system. In this embodiment:
the hydraulic pump is directly connected with the power source, and a variable hydraulic pump is adopted; the hydraulic motor converts hydraulic energy into mechanical energy, a variable hydraulic motor is adopted, and a closed loop system is adopted for both the hydraulic pump and the hydraulic motor; the gearbox is a primary gearbox and is provided with a clutch mechanism, and when the vehicle runs normally, the clutch mechanism is engaged, and the gearbox is connected with the power bogie assembly and drives the power steering engine assembly; when a fault occurs, the clutch mechanism is separated, the gearbox is separated from the power bogie assembly, and then the power bogie assembly can be guided to a maintenance point for maintenance by using a track working vehicle such as a track traction locomotive; the hydraulic motor is driven by high-pressure oil generated by the hydraulic pump through the hydraulic control valve, and the micro-electric control system controls the flow change, the direction or the displacement ratio of the hydraulic pump and the hydraulic motor, so that the bidirectional walking function and the driven stepless speed change and high-speed running are realized.
As shown in fig. 2 and 3: the power bogie assembly comprises a bogie front end axle 11 and a bogie rear end axle 12, which are respectively connected with steel wheels 10 at two ends, a front end speed reducer 13 arranged on the bogie front end axle 11, a rear end speed reducer 14 arranged on the bogie rear end axle 12, a transmission shaft 15 connected between the front end speed reducer 13 and the rear end speed reducer 14, and an input port of the gearbox 2 and the front end speed reducer 13 are connected through a universal shaft 3. In this embodiment: the front end speed reducer 13 and the rear end speed reducer 14 have the same reduction ratio, and a gear box is used in the figure.
The power source provides driving force for the hydraulic pump, high-pressure oil generated by the hydraulic pump drives the hydraulic motor 4 through the hydraulic control valve, the hydraulic motor 4 transmits power to the gearbox 2, the gearbox 2 drives the front end speed reducer 13 through the universal shaft 3, the front end speed reducer 13 drives the rear end speed reducer 14 through the transmission shaft 15, and finally the rear end speed reducer 14 is transmitted to the steel wheel 10 to drive the steel wheel 10 to operate.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (8)

1. The utility model provides a track engineering car hydraulic drive device which characterized in that: the power steering system comprises a power source, a power driving assembly connected with the power source and a power steering frame assembly connected with the power driving assembly, wherein the power driving assembly comprises: the hydraulic control system comprises a hydraulic pump connected with the power source, a hydraulic motor connected with the hydraulic pump, a gearbox connected with the hydraulic motor, a hydraulic control valve and a micro-electric control system, wherein the hydraulic control valve and the micro-electric control system are arranged between the hydraulic pump and the hydraulic motor; when a fault occurs, the clutch mechanism is separated, and the gearbox is separated from the power bogie assembly; the power bogie assembly comprises a bogie front end axle and a bogie rear end axle, wherein the two ends of the bogie front end axle and the bogie rear end axle are respectively connected with steel wheels, a front end speed reducer arranged on the bogie front end axle, a rear end speed reducer arranged on the bogie rear end axle, a transmission shaft connected between the front end speed reducer and the rear end speed reducer, and a gearbox connected with an input port of the front end speed reducer.
2. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the front end speed reducer and the rear end speed reducer have the same speed reducing ratio.
3. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the gearbox is in transmission connection with the power bogie assembly through a universal shaft.
4. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the gearbox is a primary gearbox.
5. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the power source is a diesel engine.
6. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the power source is directly connected with the hydraulic pump.
7. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the hydraulic pump is a variable hydraulic pump and/or the hydraulic motor is a variable hydraulic motor.
8. The track-mounted machineshop car hydraulic drive of claim 1, wherein: the hydraulic pump and the hydraulic motor adopt a closed loop system.
CN201810359188.7A 2018-04-20 2018-04-20 Hydraulic driving device of track engineering vehicle Active CN108422857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810359188.7A CN108422857B (en) 2018-04-20 2018-04-20 Hydraulic driving device of track engineering vehicle

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Application Number Priority Date Filing Date Title
CN201810359188.7A CN108422857B (en) 2018-04-20 2018-04-20 Hydraulic driving device of track engineering vehicle

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CN108422857B true CN108422857B (en) 2023-11-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110030099A (en) * 2019-04-11 2019-07-19 徐州徐工铁路装备有限公司 A kind of drill jumbo hydrostatic transmissions control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201405729Y (en) * 2009-05-14 2010-02-17 丹纳森工程装备(杭州)有限公司 Stepless change hydraulic transmission driving device used for low-speed running of ordinary vehicles
CN102785570A (en) * 2012-08-10 2012-11-21 同济大学 Walking-machine-oriented multi-gear or numerous-gear hydraulic-mechanical composite variable-speed transmission system
DE102011108206A1 (en) * 2011-07-21 2013-01-24 Robert Bosch Gmbh Method for controlling distance between mobile work machine and another vehicle, particularly truck, involves switching-on hydrostatic additional drive of vehicle, where flow rate of hydraulic pump is automatically adjusted
CN203753137U (en) * 2014-01-03 2014-08-06 秦皇岛秦冶重工有限公司 Self-driven bogie structure rail car
CN208069407U (en) * 2018-04-20 2018-11-09 苏州大方特种车股份有限公司 Rail engineering automobile fluid pressure drive device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201405729Y (en) * 2009-05-14 2010-02-17 丹纳森工程装备(杭州)有限公司 Stepless change hydraulic transmission driving device used for low-speed running of ordinary vehicles
DE102011108206A1 (en) * 2011-07-21 2013-01-24 Robert Bosch Gmbh Method for controlling distance between mobile work machine and another vehicle, particularly truck, involves switching-on hydrostatic additional drive of vehicle, where flow rate of hydraulic pump is automatically adjusted
CN102785570A (en) * 2012-08-10 2012-11-21 同济大学 Walking-machine-oriented multi-gear or numerous-gear hydraulic-mechanical composite variable-speed transmission system
CN203753137U (en) * 2014-01-03 2014-08-06 秦皇岛秦冶重工有限公司 Self-driven bogie structure rail car
CN208069407U (en) * 2018-04-20 2018-11-09 苏州大方特种车股份有限公司 Rail engineering automobile fluid pressure drive device

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