CN211039468U - Rapid oil drainage system for hydraulic retarder - Google Patents
Rapid oil drainage system for hydraulic retarder Download PDFInfo
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- CN211039468U CN211039468U CN201921567092.6U CN201921567092U CN211039468U CN 211039468 U CN211039468 U CN 211039468U CN 201921567092 U CN201921567092 U CN 201921567092U CN 211039468 U CN211039468 U CN 211039468U
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Abstract
The utility model relates to a hydraulic retarber is with quick draining system, the fluid discharge of solving current retarber has the slower, easily remaining problem of speed. The system comprises a heat exchanger, a working medium container, a working cavity oil inlet channel, a working cavity oil outlet channel and a heat exchanger oil outlet channel, wherein one end of the heat exchanger is communicated with a hydraulic retarder working cavity through the working cavity oil outlet channel, the other end of the heat exchanger is communicated with the working medium container through the heat exchanger oil outlet channel, one end of the working cavity oil inlet channel is communicated with the hydraulic retarder working cavity, and the other end of the working cavity oil inlet channel is communicated with the working medium container; it is characterized in that: the device also comprises a heat exchanger oil drain valve, a working cavity oil drain valve and a control assembly; two ends of the heat exchanger oil drain valve are respectively communicated with the heat exchanger and the working medium container; two ends of the working cavity oil drain valve are respectively communicated with the working cavity of the hydraulic retarder and the working medium container; the control assembly is connected with the oil drain valve of the heat exchanger, the oil drain valve of the working cavity and the working medium container.
Description
Technical Field
The utility model relates to a hydraulic retarber field, concretely relates to hydraulic retarber is with quick draining system.
Background
The hydraulic retarder is used as an auxiliary braking device of a vehicle, and can effectively reduce the braking times of the truck when the truck goes downhill, thereby reducing the abrasion of a brake pad, effectively reducing the temperature of a wheel hub of the vehicle during running, and further reducing the probability of vehicle accidents. As hydrodynamic retarders are increasingly known and accepted by users, users have higher demands on the comfort and economy of the retarder. The response time greatly influences the use experience of a user, the idling loss of the retarder influences the power generated when the retarder does not work, and further influences the oil consumption of the whole vehicle.
When the retarder does not work, the residual oil quantity in the working cavity is one of important factors influencing the idling loss power of the retarder. The conventional retarder discharges oil in a working cavity by mainly throwing the oil to an oil outlet hole positioned at the edge of a stator by centrifugal force generated by rotation of a rotor, and has the problems of low speed, easiness in residue and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the longer problem of response time of current retarber when withdrawing from the during operation, provide a hydraulic retarber is with quick draining system. The system can quickly discharge high-pressure oil in the working cavity of the retarder and the heat exchanger when the retarder is withdrawn from working, and the effects of shortening the response time of the retarder when the retarder is withdrawn from working and reducing the idle loss of the retarder are achieved.
The technical scheme of the utility model as follows:
a fast oil drainage system for a hydraulic retarder comprises a heat exchanger, a working medium container, a working cavity oil inlet channel, a working cavity oil outlet channel and a heat exchanger oil outlet channel, wherein one end of the heat exchanger is communicated with a hydraulic retarder working cavity through the working cavity oil outlet channel, the other end of the heat exchanger is communicated with the working medium container through the heat exchanger oil outlet channel, one end of the working cavity oil inlet channel is communicated with the hydraulic retarder working cavity, and the other end of the working cavity oil inlet channel is communicated with the working medium container; it is characterized in that: the device also comprises a heat exchanger oil drain valve, a working cavity oil drain valve and a control assembly; two ends of the heat exchanger oil drain valve are respectively communicated with the heat exchanger and the working medium container; two ends of the working cavity oil drain valve are respectively communicated with the working cavity of the hydraulic retarder and the working medium container; and the control assembly is connected with the heat exchanger oil drain valve, the working cavity oil drain valve and the working medium container and is used for controlling the on-off of the heat exchanger oil drain valve, the switch of the working cavity oil drain valve and the on-off of the hydraulic retarder working cavity oil.
Further, the control assembly comprises a proportional pressure control valve, a control medium container and a control medium inlet pipeline; the control medium container is connected with the proportional pressure control valve and is used for providing high-pressure gas; the proportional pressure control valve is arranged on the control medium air inlet pipeline and is used for controlling the on-off of the high-pressure gas; and the control medium air inlet pipeline is respectively communicated with the heat exchanger oil drain valve, the working cavity oil drain valve and the working medium container.
Further, the control medium container is a high-pressure gas tank.
Furthermore, the oil drain valve of the heat exchanger is a pneumatic control one-way valve.
Furthermore, the oil drain valve of the working cavity is a pneumatic control one-way valve.
Furthermore, the working cavity oil inlet channel and the heat exchanger oil outlet channel are communicated with the working medium container through the main oil inlet channel.
Further, the heat exchanger oil drain valve is communicated with the bottom of the heat exchanger.
And furthermore, the working cavity oil drain valve is communicated with the bottom of the working cavity of the hydraulic retarder.
Further, the working medium container is an oil pool with a cubic structure.
Further, the heat exchanger is a plate heat exchanger.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses hydraulic retarder is with quick draining system can make fluid in the work intracavity and the heat exchanger flow back to the oil pool shell fast, fully in the retarber withdraws from the during operation, can shorten the retarber and withdraw from the response time of during operation to can reduce the lost motion of retarber to a certain extent.
Drawings
Fig. 1 is the schematic view of the fast oil drainage system for the hydraulic retarder of the present invention.
Reference numerals: 1-stator, 2-rotor, 3-working chamber oil outlet channel, 4-heat exchanger, 5-heat exchanger oil outlet channel, 6-heat exchanger oil drain valve, 7-working chamber oil drain valve, 8-working medium container, 9-main oil inlet channel, 10-working chamber oil inlet channel, 11-control medium inlet pipeline, 12-proportional pressure control valve, 13-control medium container and 14-hydraulic retarder working chamber.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
The utility model discloses the core thinking of quick draining system for the hydraulic retarder is: pneumatic control one-way valves are respectively added between the working cavity (hydraulic retarder working cavity) and the oil pool shell (working medium container) and between the heat exchanger and the oil pool shell, when the retarder does not work, the two valves are opened to guide oil in the working cavity and the heat exchanger back to the oil pool shell, and the effects of improving response time and reducing idle loss are achieved.
After the existing retarder stops working, oil in a working cavity can return to an oil pool through a heat exchanger oil inlet channel, a heat exchanger oil outlet channel and a main oil inlet channel, the speed is low, a large amount of oil is very easy to remain in the working cavity and the heat exchanger, and the consequences of long response time and large empty loss are caused. The utility model discloses a quick draining system can promote the speed that fluid got back to the oil bath from heat exchanger and working chamber by a wide margin to play the response time that reduces the time of withdrawing from the work, and reduce the effect that empty decreases.
FIG. 1 shows that the utility model provides a quick oil drainage system for hydraulic retarder's schematic diagram, this quick oil drainage system for hydraulic retarder include heat exchanger 4, working medium container 8, working chamber oil inlet passage 10, working chamber oil outlet passage 3, heat exchanger oil outlet passage 5, heat exchanger bleeder valve 6, working chamber bleeder valve 7 and control assembly, and the working medium container specifically is the oil bath of cube structure, and the heat exchanger specifically can adopt plate heat exchanger.
One end of the heat exchanger 4 is communicated with a hydraulic retarder working cavity 14 through a working cavity oil outlet channel 3, the other end of the heat exchanger is communicated with a working medium container 8 through a heat exchanger oil outlet channel 5, one end of a working cavity oil inlet channel 10 is communicated with the hydraulic retarder working cavity 14, and the other end of the working cavity oil inlet channel is communicated with the working medium container 8; two ends of the heat exchanger oil drain valve 6 are respectively communicated with the heat exchanger 4 and the working medium container 8; two ends of the working cavity oil drain valve 7 are respectively communicated with the hydraulic retarder working cavity 14 and the working medium container 8; the control assembly is communicated with the heat exchanger oil drain valve 6, the working cavity oil drain valve 7 and the working medium container 8 and is used for controlling the opening and closing of the heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 and the on-off of 14 oil in the working cavity of the hydrodynamic retarder, and the working cavity oil inlet channel 10 and the heat exchanger oil outlet channel 5 are communicated with the working medium container 8 through the main oil inlet channel 9.
The control assembly comprises a proportional pressure control valve 12, a control medium container 13 and a control medium inlet pipeline 11; the control medium container 13 is connected with the proportional pressure control valve 12 and is used for providing high-pressure gas, and a high-pressure gas tank can be adopted; the proportional pressure control valve 12 is arranged on the control medium air inlet pipeline 11 and is used for controlling the on-off of the high-pressure gas; and the control medium inlet pipeline 11 is respectively communicated with the heat exchanger oil drain valve 6, the working cavity oil drain valve 7 and the working medium container 8.
The heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 can be pneumatic control one-way valves. The heat exchanger oil drain valve 6 connects the bottom of the heat exchanger 4 with the working medium container 8, and oil can flow back to the working medium container from the heat exchanger 4 only when the valve is opened; the bottom of a hydrodynamic retarder working chamber 14 consisting of the rotor 2 and the stator 1 is connected with a working medium container 8 by a working chamber oil drain valve 7, and oil can flow from the working chamber to the oil pool shell only when the valve is opened.
The heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 are controlled by a proportional pressure control valve 12. When the proportional pressure control valve 12 is opened, the high-pressure gas controls the oil drain valve 6 of the heat exchanger and the oil drain valve 7 of the working cavity to be closed through the control medium inlet pipeline 11, and at the moment, oil paths where the two valves are located are not communicated; when the proportional pressure control valve 12 is closed, no high-pressure gas exists in the control medium inlet pipeline 11, the heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 are opened, and the oil circuit where the two valves are located is opened at the moment.
When the retarder starts to work, the proportional pressure control valve 12 is opened, and high-pressure gas enters the oil pool, the heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 from the control medium container 13 through the control medium air inlet pipeline 11. At this moment, the oil drain valve 6 of the heat exchanger and the oil drain valve 7 of the working cavity are closed, oil cannot pass through an oil way where the two valves are located, and oil in the retarder circulates according to a general working oil way: high-pressure gas passes through main oil feed way 9 with the fluid in the oil sump, hydraulic retarber working chamber 14 of constituteing by stator 1 and rotor 2 is impressed to working chamber oil feed way 10, form behind the braking moment of torsion in hydraulic retarber working chamber 14, get into heat exchanger 4 through heat exchanger 4 oil feed way and cool off the back, through heat exchanger oil feed way 5, get back to hydraulic retarber working chamber 14 through working chamber oil feed way 10 once more, the retarber has just so formed the duty cycle oil circuit, can produce the braking moment of torsion of incessant, add newly promptly the utility model discloses a can not influence the normal work of retarber behind the quick draining system.
When the retarder quits from working, the proportional pressure control valve 12 is closed, high-pressure gas is discharged, the heat exchanger oil drain valve 6 and the working cavity oil drain valve 7 are opened, oil in the heat exchanger 4 can quickly return to an oil pool through the heat exchanger oil drain valve 6, and oil in the working cavity can quickly return to the oil pool through the working cavity oil drain valve 7.
The utility model discloses hydraulic retarber is with quick draining system can withdraw from the during operation at the retarber, and the effect that shortens the response time that the retarber withdraws from the during operation, reduces retarber lost motion is played to high-pressure fluid in quick discharge retarber working chamber and the heat exchanger 4.
Claims (10)
1. A fast oil drainage system for a hydraulic retarder comprises a heat exchanger (4), a working medium container (8), a working cavity oil inlet channel (10), a working cavity oil outlet channel (3) and a heat exchanger oil outlet channel (5), wherein one end of the heat exchanger (4) is communicated with a hydraulic retarder working cavity (14) through the working cavity oil outlet channel (3), the other end of the heat exchanger (4) is communicated with the working medium container (8) through the heat exchanger oil outlet channel (5), one end of the working cavity oil inlet channel (10) is communicated with the hydraulic retarder working cavity (14), and the other end of the working cavity oil inlet channel is communicated with the working medium container (8);
the method is characterized in that: the device also comprises a heat exchanger oil drain valve (6), a working cavity oil drain valve (7) and a control assembly;
two ends of the heat exchanger oil drain valve (6) are respectively communicated with the heat exchanger (4) and the working medium container (8);
two ends of the working cavity oil drain valve (7) are respectively communicated with the hydraulic retarder working cavity (14) and the working medium container (8);
and the control assembly is connected with the heat exchanger oil drain valve (6), the working cavity oil drain valve (7) and the working medium container (8) and is used for controlling the on-off of the heat exchanger oil drain valve (6) and the working cavity oil drain valve (7) and the on-off of the hydraulic retarder working cavity (14) oil.
2. The rapid oil evacuation system for a retarder of claim 1 wherein: the control assembly comprises a proportional pressure control valve (12), a control medium container (13) and a control medium inlet pipeline (11);
the control medium container (13) is connected with the proportional pressure control valve (12) and is used for providing high-pressure gas;
the proportional pressure control valve (12) is arranged on the control medium air inlet pipeline (11) and is used for controlling the on-off of high-pressure gas;
and the control medium inlet pipeline (11) is respectively communicated with the heat exchanger oil drain valve (6), the working cavity oil drain valve (7) and the working medium container (8).
3. The rapid oil evacuation system for a retarder of claim 2 wherein: the control medium container (13) is a high-pressure gas tank.
4. A rapid oil release system for a hydraulic retarder according to claim 1, 2 or 3, characterized in that: the oil drain valve (6) of the heat exchanger is a pneumatic control one-way valve.
5. The rapid oil evacuation system for a retarder of claim 4 wherein: the oil drain valve (7) of the working cavity is a pneumatic control one-way valve.
6. The rapid oil evacuation system for a retarder of claim 5 wherein: and the working cavity oil inlet channel (10) and the heat exchanger oil outlet channel (5) are connected with a working medium container (8) through a main oil inlet channel (9).
7. The rapid oil evacuation system for a retarder of claim 6, wherein: and the heat exchanger oil drain valve (6) is communicated with the bottom of the heat exchanger (4).
8. The rapid oil evacuation system for a retarder of claim 7, wherein: and the working cavity oil drain valve (7) is communicated with the bottom of the hydraulic retarder working cavity (14).
9. The rapid oil evacuation system for a retarder of claim 8 wherein: the working medium container (8) is an oil pool with a cubic structure.
10. The rapid oil evacuation system for a retarder of claim 9 wherein: the heat exchanger (4) is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567092.6U CN211039468U (en) | 2019-09-20 | 2019-09-20 | Rapid oil drainage system for hydraulic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567092.6U CN211039468U (en) | 2019-09-20 | 2019-09-20 | Rapid oil drainage system for hydraulic retarder |
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| CN211039468U true CN211039468U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921567092.6U Active CN211039468U (en) | 2019-09-20 | 2019-09-20 | Rapid oil drainage system for hydraulic retarder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738793A (en) * | 2021-09-09 | 2021-12-03 | 北京裕峻汽车技术研究院有限公司 | Braking system and control method of hydraulic retarder |
| CN113864365A (en) * | 2021-11-17 | 2021-12-31 | 浙江铁流离合器股份有限公司 | Water medium hydraulic retarder installed on whole vehicle |
| CN115199673A (en) * | 2022-02-09 | 2022-10-18 | 富奥汽车零部件股份有限公司 | Oil circuit system of hydraulic retarder and use method thereof |
-
2019
- 2019-09-20 CN CN201921567092.6U patent/CN211039468U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738793A (en) * | 2021-09-09 | 2021-12-03 | 北京裕峻汽车技术研究院有限公司 | Braking system and control method of hydraulic retarder |
| CN113864365A (en) * | 2021-11-17 | 2021-12-31 | 浙江铁流离合器股份有限公司 | Water medium hydraulic retarder installed on whole vehicle |
| CN113864365B (en) * | 2021-11-17 | 2022-04-22 | 浙江铁流离合器股份有限公司 | Water medium hydraulic retarder installed on whole vehicle |
| CN115199673A (en) * | 2022-02-09 | 2022-10-18 | 富奥汽车零部件股份有限公司 | Oil circuit system of hydraulic retarder and use method thereof |
| CN115199673B (en) * | 2022-02-09 | 2023-06-30 | 富奥汽车零部件股份有限公司 | Oil way system of hydraulic retarder and application method thereof |
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