CN220134325U - Hydraulic system and vehicle - Google Patents
Hydraulic system and vehicle Download PDFInfo
- Publication number
- CN220134325U CN220134325U CN202321301111.7U CN202321301111U CN220134325U CN 220134325 U CN220134325 U CN 220134325U CN 202321301111 U CN202321301111 U CN 202321301111U CN 220134325 U CN220134325 U CN 220134325U
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- cooling
- hydraulic actuator
- clutch
- assembly
- oil
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- 239000003921 oil Substances 0.000 claims abstract description 112
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 230000002441 reversible effect Effects 0.000 claims abstract description 64
- 239000010687 lubricating oil Substances 0.000 claims abstract description 38
- 238000010992 reflux Methods 0.000 claims abstract description 22
- 238000005461 lubrication Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000010729 system oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model provides a hydraulic system and a vehicle, and relates to the technical field of hydraulic pressure, wherein the hydraulic system comprises: the device comprises an oil tank, a first cooling and lubricating oil circuit, a second cooling and lubricating oil circuit, a reversible reflux assembly, a first clutch assembly and a second clutch assembly; the first cooling lubricating oil way and the second cooling lubricating oil way are connected in parallel and are connected with an oil tank; the second cooling and lubricating oil way is connected with an oil cooler; the first cooling lubricating oil path is respectively connected with a first clutch assembly and a second clutch assembly, the first clutch assembly and the second clutch assembly are respectively connected with two ends of the reversible reflux assembly, the two ends of the reversible reflux assembly are respectively connected with the first cooling lubricating oil path, and the reversible reflux assembly is connected with the oil tank; the utility model can solve the technical problems that the clutch is driven separately from the cooling execution in the prior art, the system cost is increased and the space arrangement is limited.
Description
Technical Field
The utility model relates to the technical field of hydraulic pressure, in particular to a hydraulic system and a vehicle.
Background
With the development of the automobile industry towards low carbon and intelligent, new energy automobiles gradually become new pets for various large automobile enterprises; the hybrid power drive system automobile plays a quite important role in the new energy automobile family, and has the respective advantages of the traditional fuel oil automobile and the new energy automobile (pure electric).
The hydraulic control system of the transmission of the special double-clutch hybrid power driving system for multiple gears mainly comprises two major aspects of clutch, parking, gear shifting and the like control and motor, clutch, gear, bearing and other cooling and lubricating control. In general, an operation mode that a clutch is separately performed from a cooling operation is adopted, specifically, one motor drives a rotor pump to lubricate and cool parts such as a motor stator, a rotor, a clutch, a gear shaft, a bearing and the like, and the other two motors drive the rotor pump to realize the closing or opening of the clutch, so that the clutch is separately driven from the cooling operation, three or more motor-driven clutch operations and cooling operations are needed, the system cost is increased, and the space arrangement of the system is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a hydraulic system and a vehicle, and aims to solve the technical problems that the system cost is increased and the space arrangement is limited when the clutch is driven separately from the cooling execution in the prior art.
An aspect of the present utility model is to provide a hydraulic system including:
the device comprises an oil tank, a first cooling and lubricating oil circuit, a second cooling and lubricating oil circuit, a reversible reflux assembly, a first clutch assembly and a second clutch assembly;
the oil tank is used for storing an oil medium, and the first cooling lubrication oil circuit and the second cooling lubrication oil circuit are connected with the oil tank in parallel;
the second cooling and lubricating oil way is connected with an oil cooler, and the oil cooler is used for being connected with a preset cooling assembly to provide an oil medium;
the first cooling lubricating oil circuit is respectively connected with the first clutch assembly and the second clutch assembly, the first clutch assembly and the second clutch assembly are respectively connected with two ends of the reversible reflux assembly, which are far away from the first clutch assembly and the second clutch assembly, are also respectively connected with the first cooling lubricating oil circuit, and the reversible reflux assembly is connected with the oil tank;
and the control two ends of the reversible reflux assembly are disconnected and closed with the first cooling and lubricating oil circuit so as to realize the control of the driving of the first clutch assembly or the second clutch assembly.
Compared with the prior art, the utility model has the beneficial effects that: the hydraulic system provided by the utility model has a simple structure, the design of the common oil way of clutch execution and cooling execution is reduced, the complexity of the system oil way is reduced, the system cost is reduced, and the structure is compact.
According to an aspect of the above technical solution, the reversible reflux assembly includes a reversible pump, a second motor driving the reversible pump, and a first connecting member and a second connecting member respectively connected to both ends of the reversible pump, the reversible pump is connected to the first clutch assembly through the first connecting member, and the reversible pump is connected to the second clutch assembly through the second connecting member.
According to an aspect of the above technical solution, the first connecting piece is connected to the first cooling and lubrication oil path through a second check valve, the first connecting piece is connected to the oil tank through a third check valve, the second connecting piece is connected to the oil tank through a fourth check valve, and the second connecting piece is connected to the first cooling and lubrication oil path through a fifth check valve.
According to an aspect of the above technical solution, the first clutch assembly includes a first clutch and a first hydraulic actuator connected to the first clutch, the first clutch is connected to the first cooling and lubrication oil path through a first throttle, the first hydraulic actuator is connected to the first connecting member, the second clutch assembly includes a second clutch and a second hydraulic actuator connected to the second clutch, the second clutch is connected to the first cooling and lubrication oil path through a second throttle, and the second hydraulic actuator is connected to the second connecting member.
According to an aspect of the above technical solution, the first hydraulic actuator includes a first hydraulic actuator cylinder, a first hydraulic actuator piston, a first hydraulic actuator actuating rod, and a first hydraulic actuator spring, the first connecting member is connected with the first hydraulic actuator cylinder, the second hydraulic actuator includes a second hydraulic actuator cylinder, a second hydraulic actuator piston, a second hydraulic actuator actuating rod, and a second hydraulic actuator spring, and the second connecting member is connected with the second hydraulic actuator cylinder.
According to an aspect of the above technical solution, the first cooling and lubricating oil circuit and the second cooling and lubricating oil circuit are connected in parallel to the oil tank through a suction filter assembly, the suction filter assembly includes a strainer connected with the oil tank, an electronic pump connected with the strainer, and a fine filter connected with the electronic pump, and the fine filter is respectively connected with the first cooling and lubricating oil circuit and the second cooling and lubricating oil circuit.
According to an aspect of the above technical solution, the electronic pump is further connected with a first motor, so as to drive the electronic pump through the first motor, and a first one-way valve is arranged between the electronic pump and the fine filter.
According to one aspect of the above technical solution, a first pressure sensor is disposed between the first connecting piece and the first hydraulic actuator cylinder, and a second pressure sensor is disposed between the second connecting piece and the second hydraulic actuator cylinder.
According to one aspect of the above technical solution, an oil temperature sensor is disposed in the oil tank.
Another aspect of the utility model is to provide a vehicle comprising the hydraulic system described above.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a hydraulic system according to a first embodiment of the present utility model;
FIG. 2 is a diagram of the flow path of the oil medium of the hydraulic system according to the first embodiment of the present utility model;
FIG. 3 is a schematic illustration of the flow path of the oil medium of the reversible pump in a first direction of movement in accordance with the first embodiment of the utility model;
FIG. 4 is a schematic illustration of the flow path of the oil medium of the reversible pump in the second direction of movement in accordance with the first embodiment of the utility model;
description of the drawings element symbols:
the hydraulic actuator comprises an oil tank 1, an oil medium 2, a strainer 3, a first motor 4, an electronic pump 5, a first check valve 6, a fine filter 7, an oil cooler 8, a first hydraulic actuator 10, a first hydraulic actuator cylinder 101, a first hydraulic actuator piston 102, a first hydraulic actuator actuating rod 103, a first hydraulic actuator spring 104, a second hydraulic actuator 9, a second hydraulic actuator cylinder 901, a second hydraulic actuator piston 902, a second hydraulic actuator actuating rod 903, a second hydraulic actuator spring 904, a first pressure sensor 11, a second check valve 12, a reversible pump 13, a third check valve 14, a second motor 15, a fourth check valve 16, a second pressure sensor 17, a fifth check valve 18, an oil temperature sensor 19, a first connecting piece 20, a second connecting piece 21, a first throttle orifice 22, a second throttle orifice 23, a first clutch C1 and a second clutch C2.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a hydraulic system according to a first embodiment of the present utility model is shown, and the hydraulic system includes a tank 1, a first cooling and lubrication circuit, a second cooling and lubrication circuit, a reversible return assembly, a first clutch assembly, and a second clutch assembly.
The oil tank 1 is used for storing an oil medium 2, and an oil temperature sensor 19 is arranged in the oil tank 1 and used for measuring the temperature of the oil medium 2.
Further, the first cooling lubrication oil path and the second cooling lubrication oil path are connected with the oil tank 1 in parallel through a suction filtration assembly, wherein the suction filtration assembly comprises a strainer 3 connected with the oil tank 1, an electronic pump 5 connected with the strainer 3, and a fine filter 7 connected with the electronic pump 5, and the fine filter 7 is respectively connected with the first cooling lubrication oil path and the second cooling lubrication oil path. The strainer 3 serves to filter contaminants, such as solid particles, in the oil medium 2 in the oil tank 1, and the fine filter 7 serves to further remove contaminants in the oil medium 2 in the oil tank 1.
Wherein the electronic pump 5 is connected with the first motor 4 to drive the electronic pump 5 to suck the oil medium 2 from the oil tank 1 to the first cooling lubrication oil path and the second cooling lubrication oil path through the first motor 4. In addition, a first one-way valve 6 is arranged between the electronic pump 5 and the fine filter 7, and overload of the oil medium 2 in the first cooling lubricating oil path and the second cooling lubricating oil path can be prevented by adjusting the switch of the first one-way valve 6. The electronic pump 5 is driven by the first motor 4 to suck the oil medium 2, and the oil medium 2 flows into the first cooling lubrication oil passage and the second cooling lubrication oil passage through the strainer 3, the electronic pump 5, the first check valve 6, and the fine filter 7, respectively.
Further, the second cooling and lubricating oil way is connected with an oil cooler 8, and the oil cooler 8 is used for being connected with a preset cooling assembly to provide an oil medium 2 for cooling and lubricating.
Further, a first clutch assembly and a second clutch assembly are respectively connected to the first cooling lubricating oil path. The first clutch assembly comprises a first clutch C1 and a first hydraulic actuator 10 connected with the first clutch C1, the first clutch C1 is connected with a first cooling and lubricating oil path through a first throttling orifice 22, the first hydraulic actuator 10 is connected with a first connecting piece 20, the second clutch assembly comprises a second clutch C2 and a second hydraulic actuator 9 connected with the second clutch C2, the second clutch C2 is connected with the first cooling and lubricating oil path through a second throttling orifice 23, the second hydraulic actuator 9 is connected with a second connecting piece 21, and the first cooling and lubricating oil path is respectively connected with balance cavities of the first clutch C1 and the second clutch C2 to provide oil media 2 for the first clutch C1 and the second clutch C2 to realize cooling.
Further, the first hydraulic actuator 10 includes a first hydraulic actuator cylinder 101, a first hydraulic actuator piston 102, a first hydraulic actuator actuating rod 103, and a first hydraulic actuator spring 104 in this order, the first connecting piece 20 is connected to the first hydraulic actuator cylinder 101, the second hydraulic actuator 9 includes a second hydraulic actuator cylinder 901, a second hydraulic actuator piston 902, a second hydraulic actuator actuating rod 903, and a second hydraulic actuator spring 904 in this order, and the second connecting piece 21 is connected to the second hydraulic actuator cylinder 901.
In addition, the first clutch assembly and the second clutch assembly are respectively connected with two ends of the reversible reflux assembly, wherein the reversible reflux assembly comprises a reversible pump 13, a second motor 15 for driving the reversible pump 13, and a first connecting piece 20 and a second connecting piece 21 respectively connected with two ends of the reversible pump 13, the reversible pump 13 is connected with the first clutch assembly through the first connecting piece 20, the reversible pump 13 is connected with the second clutch assembly through the second connecting piece 21, the reversible pump 13 has a positive and negative rotation function, the reversible pump 13 is driven by the second motor 15 to absorb the oil medium 2, and the oil medium 2 can be transferred from the first connecting piece 20 to the second connecting piece 21 or can be transferred from the second connecting piece 21 to the first connecting piece 20.
In addition, a first pressure sensor 11 is arranged between the first connecting piece 20 and the first hydraulic actuator cylinder 101, a second pressure sensor 17 is arranged between the second connecting piece 21 and the second hydraulic actuator cylinder 901, and the pressure values between the reversible reflux assembly and the first clutch assembly and the pressure values between the reversible reflux assembly and the second clutch assembly are obtained, so that the rotating speed of the second motor 15 can be controlled according to the pressure values, and the pressure required by the hydraulic system can be realized.
Further, two ends of the reversible reflux component far away from the first clutch component and the second clutch component are respectively connected with a first cooling and lubricating oil circuit, the reversible reflux component is connected with the oil tank 1, specifically, the first connecting piece 20 is connected with the first cooling and lubricating oil circuit through the second one-way valve 12, the first connecting piece 20 is connected with the oil tank 1 through the third one-way valve 14, the second connecting piece 21 is connected with the oil tank 1 through the fourth one-way valve 16, and the second connecting piece 21 is connected with the first cooling and lubricating oil circuit through the fifth one-way valve 18.
The arrangement of the third check valve 14 and the fourth check valve 16 can remove redundant pressure from the hydraulic system, so that damage caused by overload of the reversible reflux assembly is avoided, and the service life of the reversible reflux assembly is prolonged; in addition, the arrangement of the third check valve 14 and the fourth check valve 16 can prevent the reversible backflow component from sucking the oil medium 2 from the oil tank 1 through the third check valve 14 and the fourth check valve 16, avoid the oil medium 2 without filtering impurities from being sucked into the reversible backflow component, influence the use precision of the reversible backflow component and reduce the service life of the reversible backflow component.
In addition, the hydraulic pressure caused by the first hydraulic actuator spring 104 and the second hydraulic actuator spring 904 needs to be smaller than the hydraulic pressure required by the third check valve 14 and the fourth check valve 16, so that the oil medium 2 is prevented from leaking to the outside through the third check valve 14 and the fourth check valve 16, and environmental pollution is avoided.
In addition, the second check valve 12 and the fifth check valve 18 are arranged, and the control two ends of the reversible reflux assembly are disconnected and closed with the first cooling and lubricating oil path, so as to realize control of the driving of the first clutch assembly or the second clutch assembly.
It should be noted that the working principle of the hydraulic system is as follows:
referring to fig. 2, a flow chart of an oil medium 2 of a hydraulic system is shown, a first motor 4 drives a transmission of the oil medium 2, specifically, an electronic pump 5 is driven by the first motor 4 to suck the oil medium 2, and the oil medium 2 flows into a first cooling lubrication oil path and a second cooling lubrication oil path through a strainer 3, the electronic pump 5, a first check valve 6 and a fine filter 7 respectively. Firstly, an oil medium 2 flows into balance cavities of a first clutch C1 and a second clutch C2 through a first cooling and lubricating oil way and a first throttling orifice 22 and a second throttling orifice 23 respectively to provide the oil medium 2 for the first clutch C1 and the second clutch C2; secondly, the oil medium 2 flows into a preset cooling assembly through a second cooling and lubricating oil path and an oil cooler 8, wherein the preset cooling assembly can be a motor stator, a motor rotor, a motor tooth shaft and a motor bearing, and the oil medium 2 is provided for the preset cooling assembly.
Referring to fig. 3, a flow path of the oil medium 2 in the first movement direction of the reversible pump 13 is shown, when the second clutch C2 needs to be closed, the first clutch C1 is in an open state, the second motor 15 drives the reversible pump 13 to rotate in a certain direction (for example, the reversible pump can rotate in a counterclockwise direction), the second connecting piece 21 of the reversible pump 13 is an oil outlet, the second check valve 12 is opened under the negative pressure of the reversible pump 13, and the oil medium 2 enters from the first cooling lubrication oil path and enters from the first connecting piece 20 into the reversible pump 13 through the second check valve 12; under the pressure action of the reversible pump 13, the fifth one-way valve 18 is pressed and closed, the oil medium 2 flows out from the second connecting piece 21 and enters the second hydraulic actuator cylinder 901 of the second hydraulic actuator 9, then the hydraulic oil pressure of the second hydraulic actuator cylinder 901 rises, after the hydraulic oil thrust overcomes the resistance of friction, springs and the like, the second hydraulic actuator piston 902 and the second hydraulic actuator actuating rod 903 compress the second hydraulic actuator spring 904 and move towards the direction approaching the second clutch C2 until the second clutch C2 is closed.
Since the first hydraulic actuator cylinder 101 and the second hydraulic actuator cylinder 901 are connected in series to both ends of the reversible pump 13, the oil pressure of the first hydraulic actuator cylinder 101 is lowered, the first hydraulic actuator spring 104 is in a free release state, the first hydraulic actuator piston 102 and the first hydraulic actuator actuating lever 103 do not move close to the first clutch C1, and the first clutch C1 is opened to maintain a non-operating state.
Therefore, when the second clutch C2 is operated, the first clutch C1 is positioned in the non-operating state, so that the first clutch C1 and the second clutch C2 can be ensured not to operate simultaneously, and the risk of failure of the transmission is reduced.
Referring to fig. 4, a flow path of the oil medium 2 in the second movement direction of the reversible pump 13 is shown, when the first clutch C1 needs to be closed, the second clutch C2 is in an open state, the second motor 15 drives the reversible pump 13 to rotate in a certain direction (for example, the direction can be clockwise), the first connecting piece 20 of the reversible pump 13 is an oil outlet, the fifth one-way valve 18 is opened under the negative pressure effect of the reversible pump 13, the oil medium 2 enters from the first cooling lubrication oil path, and enters from the second connecting piece 21 into the reversible pump 13 through the fifth one-way valve 18; under the pressure action of the reversible pump 13, the fifth check valve 18 is pressed and closed, the oil medium 2 flows out from the first connecting piece 20 and enters the first hydraulic actuator cylinder 101 of the first hydraulic actuator 10, then the hydraulic oil pressure of the first hydraulic actuator cylinder 101 rises, after the hydraulic oil thrust overcomes the resistance of friction, springs and the like, the first hydraulic actuator piston 102 and the first hydraulic actuator actuating rod 103 compress the first hydraulic actuator spring 104 and move towards the direction approaching the first clutch C1 until the first clutch C1 is closed.
Since the first hydraulic actuator cylinder 101 and the second hydraulic actuator cylinder 901 are connected in series to both ends of the reversible pump 13, the oil pressure of the second hydraulic actuator cylinder 901 is lowered, the second hydraulic actuator spring 904 is in a free release state, the second hydraulic actuator piston 902 and the second hydraulic actuator actuating rod 903 do not move close to the second clutch C2, and the second clutch C2 is opened, maintaining a non-operating state.
Therefore, when the first clutch C1 is operated, the second clutch C2 is positioned in the non-operating state, so that the first clutch C1 and the second clutch C2 can be ensured not to operate simultaneously, and the risk of failure of the transmission is reduced.
Further, the oil paths of the first hydraulic actuator 10 and the second hydraulic actuator 9 and the first cooling and lubricating oil path are designed to be common in oil path, so that the first cooling and lubricating oil path supplies oil to the hydraulic actuator, the complexity of a system oil path is reduced, and the system integration is facilitated.
In addition, the reversible pump 13 is controlled by the second motor 15 to realize the execution of the first clutch C1 and the second clutch C2, an additional control system is not needed, the number of peripheral interfaces of the control system is reduced, the structure is compact, and the cost is reduced. Meanwhile, the hydraulic system is simple in structure, a simple one-way valve is adopted to replace an electromagnetic valve part to control the closing and opening of the first clutch C1 and the second clutch C2, and the response speed is high.
Compared with the prior art, the hydraulic system that this embodiment provided, beneficial effect lies in: the hydraulic system provided by the utility model has a simple structure, the design of the common oil way of clutch execution and cooling execution is reduced, the complexity of the system oil way is reduced, the system cost is reduced, and the structure is compact.
A second embodiment of the utility model provides a vehicle comprising a hydraulic system according to the above-described embodiments.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model, and are described in detail, but are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A hydraulic system, the hydraulic system comprising:
the device comprises an oil tank, a first cooling and lubricating oil circuit, a second cooling and lubricating oil circuit, a reversible reflux assembly, a first clutch assembly and a second clutch assembly;
the oil tank is used for storing an oil medium, and the first cooling lubrication oil circuit and the second cooling lubrication oil circuit are connected with the oil tank in parallel;
the second cooling and lubricating oil way is connected with an oil cooler, and the oil cooler is used for being connected with a preset cooling assembly to provide an oil medium;
the first cooling lubricating oil circuit is respectively connected with the first clutch assembly and the second clutch assembly, the first clutch assembly and the second clutch assembly are respectively connected with two ends of the reversible reflux assembly, which are far away from the first clutch assembly and the second clutch assembly, are also respectively connected with the first cooling lubricating oil circuit, and the reversible reflux assembly is connected with the oil tank;
and the control two ends of the reversible reflux assembly are disconnected and closed with the first cooling and lubricating oil circuit so as to realize the control of the driving of the first clutch assembly or the second clutch assembly.
2. The hydraulic system of claim 1, wherein the reversible return assembly includes a reversible pump, a second motor driving the reversible pump, and first and second connectors respectively connected to both ends of the reversible pump, the reversible pump being connected to the first clutch assembly through the first connector, the reversible pump being connected to the second clutch assembly through the second connector.
3. The hydraulic system of claim 2, wherein the first connection is connected to the first cooling and lubrication circuit via a second check valve, the first connection is connected to the oil tank via a third check valve, the second connection is connected to the oil tank via a fourth check valve, and the second connection is connected to the first cooling and lubrication circuit via a fifth check valve.
4. The hydraulic system of claim 2, wherein the first clutch assembly includes a first clutch and a first hydraulic actuator coupled to the first clutch, the first clutch being coupled to the first cooling and lubrication circuit via a first orifice, the first hydraulic actuator being coupled to the first connector, the second clutch assembly includes a second clutch and a second hydraulic actuator coupled to the second clutch, the second clutch being coupled to the first cooling and lubrication circuit via a second orifice, the second hydraulic actuator being coupled to the second connector.
5. The hydraulic system of claim 4, wherein the first hydraulic actuator comprises a first hydraulic actuator cylinder, a first hydraulic actuator piston, a first hydraulic actuator rod, and a first hydraulic actuator spring, the first connector is coupled to the first hydraulic actuator cylinder, and the second hydraulic actuator comprises a second hydraulic actuator cylinder, a second hydraulic actuator piston, a second hydraulic actuator rod, and a second hydraulic actuator spring, the second connector is coupled to the second hydraulic actuator cylinder.
6. The hydraulic system of claim 1, wherein the first cooling lubrication circuit and the second cooling lubrication circuit are connected to the oil tank in parallel via a suction filter assembly, the suction filter assembly including a strainer connected to the oil tank, an electronic pump connected to the strainer, and a fine filter connected to the electronic pump, the fine filter being connected to the first cooling lubrication circuit and the second cooling lubrication circuit, respectively.
7. The hydraulic system of claim 6, wherein the electronic pump is further coupled to a first motor to drive the electronic pump via the first motor, a first check valve being disposed between the electronic pump and the fine filter.
8. The hydraulic system of claim 5, wherein a first pressure sensor is disposed between the first connector and the first hydraulic actuator cylinder, and a second pressure sensor is disposed between the second connector and the second hydraulic actuator cylinder.
9. The hydraulic system of claim 1, wherein an oil temperature sensor is disposed within the oil tank.
10. A vehicle, characterized in that it comprises a hydraulic system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321301111.7U CN220134325U (en) | 2023-05-26 | 2023-05-26 | Hydraulic system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321301111.7U CN220134325U (en) | 2023-05-26 | 2023-05-26 | Hydraulic system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134325U true CN220134325U (en) | 2023-12-05 |
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ID=88949652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321301111.7U Active CN220134325U (en) | 2023-05-26 | 2023-05-26 | Hydraulic system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134325U (en) |
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2023
- 2023-05-26 CN CN202321301111.7U patent/CN220134325U/en active Active
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