CN113738504A - Hydraulic drive auxiliary power generation system for vehicle - Google Patents
Hydraulic drive auxiliary power generation system for vehicle Download PDFInfo
- Publication number
- CN113738504A CN113738504A CN202111154634.9A CN202111154634A CN113738504A CN 113738504 A CN113738504 A CN 113738504A CN 202111154634 A CN202111154634 A CN 202111154634A CN 113738504 A CN113738504 A CN 113738504A
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- oil
- hydraulic
- block group
- valve block
- auxiliary
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims description 146
- 239000010720 hydraulic oil Substances 0.000 claims description 60
- 238000001816 cooling Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic drive auxiliary power generation system for a vehicle, which is used for the vehicle, an auxiliary hydraulic pump is driven by a water-air intercooling diesel engine, the constant output flow is ensured by the control of a throttle valve block group and an overflow valve block group, an auxiliary motor is driven to rotate at a constant speed, an auxiliary generator is driven to run constantly, and the auxiliary power generation function can be realized for the vehicle The safety and reliability, and the like, and ensures the reliable operation of the vehicle.
Description
Technical Field
The invention relates to the technical field of hydraulic power generation systems, in particular to a hydraulic drive auxiliary power generation system for a vehicle.
Background
The hydraulic driving auxiliary power generation system of the vehicle is arranged under the vehicle and used for auxiliary power generation of the vehicle, and the hydraulic system is used for controlling the auxiliary power generator to perform auxiliary power generation, but the auxiliary power generation stability of the related technology is not enough, the vehicle operation is not reliable enough, and the normal work of the vehicle is influenced.
Disclosure of Invention
The invention provides a hydraulic drive auxiliary power generation system for a vehicle, which aims to solve the technical problems of insufficient stability of auxiliary power generation and unreliable vehicle operation.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a hydraulic drive auxiliary power generation system for a vehicle, comprising: the system comprises a water-air-cooled diesel engine, an auxiliary hydraulic pump, a cooling hydraulic pump, a throttle valve block group, an auxiliary generator, an auxiliary motor, an overflow valve block group, a hydraulic oil heat exchanger and a hydraulic oil tank; the output end of the air-cooled diesel engine is connected with the auxiliary hydraulic pump through a coupler, the auxiliary hydraulic pump is coaxially connected with the cooling hydraulic pump, the oil outlet of the auxiliary hydraulic pump is connected with the oil inlet of the throttle valve block group, the oil outlet of the throttle valve block group is connected with the oil inlet of the overflow valve block group, the oil inlet of the auxiliary motor is connected with the oil inlet of the overflow valve block group, the oil outlet of the overflow valve block group is connected with the oil inlet of the hydraulic oil heat exchanger, the oil outlet of the hydraulic oil heat exchanger is connected with one end of a hydraulic oil tank, and the other end of the hydraulic oil tank is in closed-loop connection with the oil inlet of the auxiliary hydraulic pump and the oil inlet of the cooling hydraulic pump.
Further, an oil discharge port of a shell of the auxiliary motor is connected with a hydraulic oil tank; the auxiliary motor is connected with an auxiliary generator through a coupler, and the auxiliary generator is installed on a frame of the internal combustion power pack through four shock absorbers.
Further, the throttle valve block group comprises a first throttle valve and an electromagnetic directional valve;
the interface of the pilot control oil pipe of the throttle block group is connected with the interface of the auxiliary hydraulic pump through a stainless steel pipeline, and the oil discharge return hydraulic oil tank connector of the throttle block group is connected to a hydraulic oil tank through a connecting hose;
the first throttle valve is connected with a throttle induction part of the electromagnetic directional valve; one end of the electromagnetic directional valve, which is connected with the throttling induction part, is a pilot control oil pipe interface, and one end of the first throttling valve, which is connected with the throttling induction part, is a first throttling valve oil outlet.
Further, the overflow valve block group comprises an electromagnetic proportional overflow valve 1 and a second throttle valve;
the oil inlet of the overflow valve block group is connected to the oil outlet of the throttle valve block group through a connecting hose, and the overflow valve block group is connected to the oil return port of the overflow valve block group through an internal oil discharge port;
an oil inlet of the electromagnetic proportional overflow valve 1 and an oil inlet of the second throttle valve are connected with each other and are connected to an oil inlet of the overflow valve block group together, and an oil return port of the electromagnetic proportional overflow valve 1 and an oil return port of the second throttle valve are connected with each other and are connected to an oil outlet of the overflow valve block group together.
Further, the hydraulic oil tank comprises a breather valve, an oil return filter, an oil suction port installation valve block, an oil return port installation valve block, a PT1000 temperature sensor, a shutdown liquid level switch and a liquid level display meter; the upper part and the lower part of the hydraulic oil tank are respectively provided with a first liquid level observation mirror, the other end in the height direction is provided with a second liquid level observation mirror, a filling connecting pipe interface is arranged, an oil return filter is arranged at an oil return port, and the oil return filter is connected with an oil suction port installation valve block 106 through an oil pipe with four round holes.
Furthermore, an oil return filter in the hydraulic oil tank is connected with the oil suction port through an O-shaped sealing ring, a circular pipe, a conical port and an oil suction port connecting pipe with four round holes.
Furthermore, an oil outlet of the hydraulic oil heat exchanger is connected to an oil return port installation valve block of the hydraulic oil tank through a connecting hose, and the tee joint is respectively connected with a hydraulic oil inlet of the hydraulic oil heat exchanger and an oil outlet of the overflow valve block group through hoses.
Has the advantages that:
1. the invention ensures constant output flow through the control of the throttle valve block group and the overflow valve block group, drives the auxiliary motor to rotate at a constant speed, further drives the auxiliary generator to operate constantly, and can realize the function of auxiliary power generation for vehicles.
2. When the electromagnetic directional valve is not electrified, the hydraulic oil output by the auxiliary hydraulic pump can directly return to the hydraulic oil tank through the electromagnetic directional valve without passing through the auxiliary motor, so that the function of overload protection is realized.
3. The invention has compact structure, high integration, small volume and high starting speed, and can ensure that the auxiliary generator can quickly reach the designed constant rotating speed after being started.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a disclosed auxiliary power generation system for a vehicle hydraulic drive;
FIG. 2 is a schematic diagram of a throttle block set according to the present disclosure;
FIG. 3 is a schematic diagram of a structure of a relief valve block set disclosed by the invention;
FIG. 4 is an internal structural view of a hydraulic tank of the present disclosure;
FIG. 5 is a three-dimensional schematic illustration of the disclosed hydraulic drive auxiliary power generation system for a vehicle.
In the figure: 1-a water-air cooled diesel engine, 2-an auxiliary hydraulic pump, 3-a cooling hydraulic pump, 4-a throttle valve block group, 5-an auxiliary generator, 6-an auxiliary motor, 7-an overflow valve block group, 8-a hydraulic oil heat exchanger, 9-an oil return filter, 10-a hydraulic oil tank, 11-a tee joint, 41-an electromagnetic directional valve, 42-an induction throttling position and 43-a throttle valve; 71-electromagnetic proportional relief valve, 72-throttle valve; 101-oil return opening mounting block, 102-O-shaped sealing ring, 103-round tube, 104-conical opening, 105-oil suction opening connecting tube with four round holes, and 106-oil suction opening mounting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a hydraulic drive auxiliary power generation system for a vehicle includes: the system comprises a water-air-cooled diesel engine 1, an auxiliary hydraulic pump 2, a cooling hydraulic pump 3, a throttle valve block group 4, an auxiliary generator 5, an auxiliary motor 6, an overflow valve block group 7, a hydraulic oil heat exchanger 8, an oil return filter 9 and a hydraulic oil tank 10; the output end of the air-cooled diesel engine 1 is connected with the auxiliary hydraulic pump 2 through a coupler, the auxiliary hydraulic pump 2 is coaxially connected with the cooling hydraulic pump 3, the oil outlet of the auxiliary hydraulic pump 2 is connected with the oil inlet of the throttle block group 4, the oil outlet of the throttle block group 4 is connected with the oil inlet of the overflow valve block group 7, the oil inlet of the auxiliary motor 6 is connected with the oil inlet of the overflow valve block group 7, the oil outlet of the auxiliary motor 6 is connected with the oil return port of the overflow valve block group 7, the oil outlet of the overflow valve block group 7 is connected with the oil inlet of the hydraulic oil heat exchanger 8, the oil outlet of the hydraulic oil heat exchanger 8 is connected with one end of a hydraulic oil tank 10, and the other end of the hydraulic oil tank 10 is in closed-loop connection with the oil inlet of the auxiliary hydraulic pump 2 and the oil inlet of the cooling hydraulic pump 3;
the invention relates to an integrated module which is arranged under a vehicle.
As shown in fig. 1 and 5: the rated rotating speed working range of the water-air cooling diesel generator 1 is 900-;
the auxiliary hydraulic pump is a variable pump, and the discharge capacity is 260L/min; the auxiliary hydraulic pump is a pressure control pump with a load sensing controller, and the load sensing controller is a flow control option which operates as a load pressure function so as to adjust the pump displacement according to the flow demand of an actuating mechanism;
when the auxiliary generator is powered on, the electromagnetic directional valve 41 in the throttle block group 4 on the auxiliary hydraulic pump is disconnected, the auxiliary hydraulic pump is driven by the diesel engine to suck oil from the oil tank, the output flow is constant under the control of the throttle valve in the throttle block group, the overflow valve block is provided with a group throttling part, the setting range of the pressure difference is 14-25bar, when the pressure difference is increased, the auxiliary hydraulic pump is rotated back, the discharge capacity is reduced until the pressure drop is recovered, when the pressure difference is reduced, the auxiliary hydraulic pump is rotated out, the discharge capacity is increased until the pressure drop is recovered, the flow is continuously kept constant, and therefore the output voltage of the auxiliary generator is ensured to be constant;
the cooling hydraulic pump 3 and the auxiliary hydraulic pump 2 are coaxially installed and are installed through a flange plate, the cooling hydraulic pump 3 is a variable pump, and the cooling hydraulic pump 3 comprises an oil suction port, an oil outlet, an oil discharge port and a controller electrical interface; the oil suction port is connected with the hydraulic oil tank, the oil outlet is connected with the cooling unit on the roof of the vehicle, and the oil discharge port is connected with the oil tank;
the shell oil discharge port of the auxiliary motor 6 is connected with the hydraulic oil tank 10; the auxiliary motor 6 is connected with an auxiliary generator 5 through a coupler, and the auxiliary generator 5 is installed on a frame of the internal combustion power pack through four shock absorbers.
The auxiliary generator 5 is a brushless synchronous generator and is arranged on a frame of an internal combustion power pack through four shock absorbers, the auxiliary generator 5 further comprises a generator and a coupler, the generator and the coupler are driven by an auxiliary hydraulic motor 6, the insulation grade is not lower than 200 grade, the cooling mode is liquid cooling, the auxiliary generator has the functions of temperature protection, voltage protection and frequency protection, the auxiliary generator is suitable for being arranged under a vehicle, a three-phase four-wire system is adopted, the rated voltage is 400V, the rated frequency is 50Hz, the stable rotating speed is 3000r/min, the rated capacity is 70KVA, the rated efficiency is 90 percent, and the power factor is 0.8;
when the output of the auxiliary generator 5 changes, the output pressure changes, the electromagnetic proportional valve 71 senses the change of the electrical signal, so as to regulate and control the rotating speed of the auxiliary motor 6, and the auxiliary motor 6 further regulates and controls the auxiliary generator 5, thereby playing a role in stabilizing the output of the auxiliary generator 5.
The hydraulic oil heat exchanger 8 is a plate heat exchanger and comprises a hydraulic oil inlet, a hydraulic oil outlet, a low-temperature water inlet and a low-temperature water outlet.
As shown in fig. 2, the throttle valve block group 4 includes a first throttle valve 43 and a solenoid directional valve 41;
the interface of the pilot control oil pipe of the throttle block group 4 is connected with the interface of the auxiliary hydraulic pump 2 through a stainless steel pipeline, and the interface of the hydraulic oil tank for discharging oil from the throttle block group 4 is connected to the hydraulic oil tank 10 through a connecting hose;
the first throttle valve 43 is connected with the throttle induction part 42 of the electromagnetic directional valve 41; one end of the electromagnetic directional valve 41 connected with the throttling induction part 42 is a pilot control oil pipe interface, and one end of the first throttle valve 43 connected with the throttling induction part 42 is a first throttle valve 43 oil outlet.
The throttle valve block group 4 is provided with an electrical interface and a knob for adjusting the cross-sectional area of an oil outlet, and the electrical interface supplies power for 24V.
As shown in fig. 3, the relief valve block 7 includes an electromagnetic proportional relief valve 71 and a second throttle valve 72;
an oil inlet of the overflow valve block group 7 is connected to an oil outlet of the throttle valve block group 4 through a connecting hose, and the overflow valve block group 7 is connected to an oil return port of the overflow valve block group 4 through an internal oil discharge port;
the oil inlet of the electromagnetic proportional overflow valve 71 is connected with the oil inlet of the second throttle valve 72 and is connected to the oil inlet of the overflow valve block group 7 together, and the oil return port of the electromagnetic proportional overflow valve 71 is connected with the oil return port of the second throttle valve 72 and is connected to the oil outlet of the overflow valve block group 7 together;
the overflow valve block group 7 is provided with an electrical interface and a knob for adjusting the cross-sectional area of the throttle valve, and the electrical interface supplies power for 24V.
As shown in fig. 4, the return oil filter 101 in the hydraulic oil tank 10 is connected to a circular tube 103 via an O-ring 102, the circular tube 103 is connected to an oil suction port connection pipe 105 having four circular holes via the tapered port 104, and the connection pipe 105 is connected to the rare installation block 106 via the O-ring 102.
The hydraulic oil tank 10 comprises a breather valve, an oil return filter 9, an oil suction port installation valve block 106, an oil return port installation valve block 101, a PT1000 temperature sensor and a shutdown liquid level switch; the upper part and the lower part of the hydraulic oil tank are respectively provided with a first liquid level observation mirror, the other end of the hydraulic oil tank in the height direction is provided with a second liquid level observation mirror and a filling connecting pipe interface, the oil return filter 9 is arranged at an oil return port, and the oil return filter 9 is connected with an oil suction port installation valve block 106 through an oil pipe 105 with four round holes.
The return oil can directly return to the oil suction port 106 through a structure filtered by the return oil filter 9, and can return to the hydraulic oil tank 10 through the oil suction port connecting pipe 105 with four round holes if the hydraulic oil expands, and can be replenished through the oil suction port connecting pipe 105 with four round holes if the return oil amount is insufficient.
The structure can save an oil absorption filter, reduce oil absorption resistance, reduce cost and ensure the cleanliness of hydraulic oil.
An oil outlet of the hydraulic oil heat exchanger 8 is connected to an oil return port installation valve block of the hydraulic oil tank 10 through a connecting hose, and a tee joint 11 is respectively connected with a hydraulic oil inlet of the hydraulic oil heat exchanger 8 and an oil outlet of the overflow valve block group 7 through hoses.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A hydraulic drive assist power generation system for a vehicle, comprising: the system comprises a water-air cooling diesel engine (1), an auxiliary hydraulic pump (2), a cooling hydraulic pump (3), a throttle valve block group (4), an auxiliary generator (5), an auxiliary motor (6), an overflow valve block group (7), a hydraulic oil heat exchanger (8) and a hydraulic oil tank (10); the output end of the water air cooling diesel engine (1) is connected with the auxiliary hydraulic pump (2) through a coupler, the auxiliary hydraulic pump (2) is connected with the cooling hydraulic pump (3) in a coaxial mode, the oil outlet of the auxiliary hydraulic pump (2) is connected with the oil inlet of the throttle valve block group (4), the oil outlet of the throttle valve block group (4) is connected with the oil inlet of the overflow valve block (6), the oil inlet of the auxiliary motor (6) is connected with the oil inlet of the overflow valve block group (7), the oil outlet of the auxiliary motor (6) is connected with the oil outlet of the overflow valve block group (7), the oil outlet of the overflow valve block group (7) is connected with the oil inlet of the hydraulic oil heat exchanger (8), the oil outlet of the hydraulic oil heat exchanger (8) is connected with one end of the hydraulic oil tank (10), and the other end of the hydraulic oil tank (10) is connected with the oil inlet of the auxiliary hydraulic pump (2) and the closed-loop oil inlet of the cooling hydraulic pump (3) And (6) connecting.
2. A hydraulic drive assist electric power generation system for a vehicle according to claim 1, characterized in that: an oil discharge port of a shell of the auxiliary motor (6) is connected with the hydraulic oil tank (10); the auxiliary motor (6) is connected with the auxiliary generator (5) through a coupler, and the auxiliary generator (5) is installed on a frame of the internal combustion power pack through four shock absorbers.
3. A hydraulic drive assist electric power generation system for a vehicle according to claim 1, characterized in that: the throttle valve block group (4) comprises a first throttle valve (43) and an electromagnetic directional valve (41);
the interface of a pilot control oil pipe of the throttle block group (4) is connected with the interface of the auxiliary hydraulic pump (2) through a stainless steel pipeline, and the oil discharge return hydraulic oil tank connecting port of the throttle block group (4) is connected to the hydraulic oil tank (10) through a connecting hose;
the first throttle valve (43) is connected with a throttle induction part (42) of the electromagnetic directional valve (41); one end of the electromagnetic directional valve (41) connected with the throttling induction part (42) is a pilot control oil pipe interface, and one end of the first throttle valve (43) connected with the throttling induction part (42) is an oil outlet of the first throttle valve (43).
4. A hydraulic drive assist electric power generation system for a vehicle according to claim 1, characterized in that: the overflow valve block group (7) comprises an electromagnetic proportional overflow valve (71) and a second throttle valve (72);
an oil inlet of the overflow valve block group (7) is connected to an oil outlet of the throttle valve block group (4) through a connecting hose, and the overflow valve block group (7) is connected to an oil return port of the overflow valve block group (4) through an internal oil discharge port;
the oil inlet of the electromagnetic proportional overflow valve (71) is connected with the oil inlet of the second throttle valve (72) and is commonly connected to the oil inlet of the overflow valve block group (7), and the oil return port of the electromagnetic proportional overflow valve (71) is connected with the oil return port of the second throttle valve (72) and is commonly connected to the oil outlet of the overflow valve block group (7).
5. A hydraulic drive assist electric power generation system for a vehicle according to claim 1, characterized in that: the hydraulic oil tank (10) comprises a breather valve, an oil return filter (9), an oil suction port installation valve block (106), an oil return port installation valve block (101), a PT1000 temperature sensor and a shutdown liquid level switch; the hydraulic oil tank upper and lower part sets up first liquid level sight glass respectively, sets up the second liquid level sight glass along the direction of height other end, filling connecting pipe interface, install at the oil return mouth oil return filter (9), oil return filter (9) are connected through oil pipe (105) and the oil absorption mouth installation valve piece (106) of taking four round holes.
6. A hydraulic drive assist electric power generation system for a vehicle according to claim 5, characterized in that: the oil return filter (101) in the hydraulic oil tank (10) is connected with the oil suction port (106) through an O-shaped sealing ring (102), a round pipe (103), a conical port (104) and an oil suction port connecting pipe (105) with four round holes.
7. A hydraulic drive assist electric power generation system for a vehicle according to claim 1, characterized in that: an oil outlet of the hydraulic oil heat exchanger (8) is connected to an oil return port installation valve block of the hydraulic oil tank (10) through a connecting hose, and a tee joint (11) is respectively connected with a hydraulic oil inlet of the hydraulic oil heat exchanger (8) and an oil outlet of the overflow valve block group (7) through hoses.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154634.9A CN113738504B (en) | 2021-09-29 | 2021-09-29 | Hydraulic drive auxiliary power generation system for vehicle |
| PCT/CN2022/120758 WO2023051391A1 (en) | 2021-09-29 | 2022-09-23 | Hydraulic-driven auxiliary power generation system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154634.9A CN113738504B (en) | 2021-09-29 | 2021-09-29 | Hydraulic drive auxiliary power generation system for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113738504A true CN113738504A (en) | 2021-12-03 |
| CN113738504B CN113738504B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111154634.9A Active CN113738504B (en) | 2021-09-29 | 2021-09-29 | Hydraulic drive auxiliary power generation system for vehicle |
Country Status (2)
| Country | Link |
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| CN (1) | CN113738504B (en) |
| WO (1) | WO2023051391A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475671A (en) * | 2022-02-24 | 2022-05-13 | 中车大连机车研究所有限公司 | Hybrid power integrated system of motor train unit |
| WO2023051391A1 (en) * | 2021-09-29 | 2023-04-06 | 中车大连机车研究所有限公司 | Hydraulic-driven auxiliary power generation system for vehicle |
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| EP0336918A1 (en) * | 1988-04-08 | 1989-10-11 | GFM Gesellschaft für Fertigungstechnik und Maschinenbau Gesellschaft m.b.H. | Method for controlling a hydrostatic machine, particularly an axial piston machine |
| WO2006133428A2 (en) * | 2005-06-08 | 2006-12-14 | Jeffery Givens | Improvements in the device and method of providing portable electrical, hydraulic and air pressure utilities for on-site tool applications |
| CN203702332U (en) * | 2014-01-23 | 2014-07-09 | 上海深拓液压技术有限公司 | Vehicle-mounted hydraulic power take-off power generation device |
| CN215804826U (en) * | 2021-09-29 | 2022-02-11 | 中车大连机车研究所有限公司 | Hydraulic drive auxiliary power generation system for vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3792342B2 (en) * | 1997-04-15 | 2006-07-05 | 株式会社小松製作所 | Hydraulic circuit of generator-driven hydraulic motor |
| JP2000170705A (en) * | 1998-12-01 | 2000-06-20 | Hitachi Constr Mach Co Ltd | Hydraulic circuit for power generation of construction machine |
| CN101798986B (en) * | 2010-02-05 | 2011-09-07 | 威海西立电子有限公司 | Vehicle-mounted hydraulic self-generating system |
| CN105332961B (en) * | 2015-12-03 | 2017-08-01 | 力源液压***（贵阳）有限公司 | Vehicle-mounted hydraulic constant speed generation system and its electricity-generating method |
| CN113738504B (en) * | 2021-09-29 | 2024-06-18 | 中车大连机车研究所有限公司 | Hydraulic drive auxiliary power generation system for vehicle |
-
2021
- 2021-09-29 CN CN202111154634.9A patent/CN113738504B/en active Active
-
2022
- 2022-09-23 WO PCT/CN2022/120758 patent/WO2023051391A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336918A1 (en) * | 1988-04-08 | 1989-10-11 | GFM Gesellschaft für Fertigungstechnik und Maschinenbau Gesellschaft m.b.H. | Method for controlling a hydrostatic machine, particularly an axial piston machine |
| WO2006133428A2 (en) * | 2005-06-08 | 2006-12-14 | Jeffery Givens | Improvements in the device and method of providing portable electrical, hydraulic and air pressure utilities for on-site tool applications |
| CN203702332U (en) * | 2014-01-23 | 2014-07-09 | 上海深拓液压技术有限公司 | Vehicle-mounted hydraulic power take-off power generation device |
| CN215804826U (en) * | 2021-09-29 | 2022-02-11 | 中车大连机车研究所有限公司 | Hydraulic drive auxiliary power generation system for vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051391A1 (en) * | 2021-09-29 | 2023-04-06 | 中车大连机车研究所有限公司 | Hydraulic-driven auxiliary power generation system for vehicle |
| CN114475671A (en) * | 2022-02-24 | 2022-05-13 | 中车大连机车研究所有限公司 | Hybrid power integrated system of motor train unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023051391A1 (en) | 2023-04-06 |
| CN113738504B (en) | 2024-06-18 |
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