CN208686849U - A kind of oil piping system for Vehicle Hydraulic Retarder - Google Patents
A kind of oil piping system for Vehicle Hydraulic Retarder Download PDFInfo
- Publication number
- CN208686849U CN208686849U CN201820545630.0U CN201820545630U CN208686849U CN 208686849 U CN208686849 U CN 208686849U CN 201820545630 U CN201820545630 U CN 201820545630U CN 208686849 U CN208686849 U CN 208686849U
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- Prior art keywords
- valve
- oil
- hydraulic pump
- retarder
- way electromagnetic
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Abstract
A kind of oil piping system for Vehicle Hydraulic Retarder, it mainly include working chamber, proportional flow control valve, three-position four-way electromagnetic directional valve, accumulator, solenoid valve, sequence valve and hydraulic pump, it is all retarder fuel feeding by using accumulator and hydraulic pump one, relative to single oil pump feed or gas-pressurized, considerably increase fuel delivery, flow is adjusted by proportional flow control valve simultaneously, it is easily achieved continuously adjusting for auto-control and flow, furthermore, feature also low using hydraulic pump inlet pressure, oil return opening is connected with hydraulic pump oil inlet, compared with the connection type that oil liquid is directly drained to oil return box, considerably increase the flow that hydraulic oil flows back from working chamber, and then improve the working efficiency of entire oil circuit, finally, the utility model structure composition is simple, it is easily achieved, it can be promoted in the Retarder of a variety of automobiles It uses.
Description
Technical field
The utility model belongs to automobile hydraulic control field, and in particular to a kind of oil circuit system for Vehicle Hydraulic Retarder
System.
Background technique
Vehicle Hydraulic Retarder is a kind of complemental brake system, is generally mounted on heavy-duty car to generate brake force
Square makes automobile car speed in the case where not having to or using foundation brakes less reduce or keep to stablize, using hydrodynamic retarding
Device braking deceleration can cause brake fade and brake(-holder) block rapid wear using foundation brakes to avoid continuous, and vapour can be improved
Vehicle running efficiency and increase driver's sense of security, are a kind of complemental brake systems that performance is more excellent, at present hydrodynamic retarding
Device type is more, but its primary structure is similar, and primary structure is as shown in Fig. 2, mainly by stator, rotor, Retarder work
Make the composition such as chamber, oil liquid charge and discharge oil duct, radiator, gas source and control valve class, rotor rotates with transmission shaft, when work, outside
Under the action of portion's control system, compressed air enters above oil groove, and oil liquid is made to enter Retarder work by inflow pipeline
Chamber, and then enter the closing working chamber being made of rotor and stator, working solution circulation impact stator under the drive of rotor blade
Blade, the moment of momentum change, and generate braking moment, hinder the rotation of impeller of rotor, and generating the moment of resistance makes car deceleration, brake
The size of torque is mainly related with the size and pressure for being filled with brake fluid amount, rotor high speed rotation in work, and mechanical energy will convert
For the thermal energy of working solution, the feature that end pressure is big, lower end pressure is small on working chamber when retarder utilizes work passes through brake fluid
Radiator forms circulation and distributes heat absorption.In work retarder can by control into, return working solution oil mass size and change
Braking moment；When releasing retarder braking action, reduces brake fluid levels pressure, working solution is made to flow back to oil by oil return pipe
Slot.
And the response performance for using Retarder to realize that retarder brake controls oil liquid has high requirements, it is quick when needing
Slow or while generating larger braking moment, which generally requires to supply a large amount of oil liquid in short-term, enters working chamber, and slow when needing to release
Then needed when braking it is in short-term that the brake fluid of working chamber is quickly drained, in order to avoid working solution, which rests in working chamber, generates unloaded damage
Consumption.Current structure is primarily present following defect:
1, power device uses compressed air source unit, oil liquid is pressed into working chamber in the way of " gas cap liquid ", gas is specifically larger
Compressibility, in lasting Fuel injection system, stability is poor；When needing a large amount of fuel feeding, the response performance of filling liquid can be made to reduce,
Cause the filling liquid time elongated.
2, when that need to release braking, ullage compressed air is discharged device, makes to brake by rotor centrifugal force effect
Liquid is back to fuel tank, and when releasing braking, rotor speed is often lower, it is difficult to and quickly make brake fluid that working chamber be discharged, thus
Generate larger no-load loss.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of oil piping system for Vehicle Hydraulic Retarder.
The utility model is achieved by the following technical programs.
A kind of oil piping system for Vehicle Hydraulic Retarder provided by the utility model, including working chamber, proportional flow
Valve, three-position four-way electromagnetic directional valve, accumulator, solenoid valve, sequence valve and hydraulic pump, wherein the oil inlet of working chamber with than
Example flow valve connection, the oil outlet of working chamber are connect with three-position four-way electromagnetic directional valve, proportional flow control valve and 3-position 4-way electromagnetism
Reversal valve connection；The entrance of hydraulic pump is connected to fuel tank, and outlet is connected to three-position four-way electromagnetic directional valve；Accumulator and solenoid valve
Connection, solenoid valve are connected in the oil circuit between three-position four-way electromagnetic directional valve and hydraulic pump；Sequence valve and 3-position 4-way electromagnetism
Oil circuit between reversal valve and hydraulic pump is connected, and is connected with accumulator and fuel tank；Three-position four-way electromagnetic directional valve is also
It is connected with fuel tank.
It further, further include a check valve, the check valve is placed in the oil circuit between working chamber and proportional flow control valve
In, the entrance of check valve is connect with proportional flow control valve, and the outlet of check valve and the entrance of working chamber connect.
Further, further include a filter, the filter is placed in the oil circuit between hydraulic pump and fuel tank, into
The hydraulic oil for entering hydraulic pump is filtered.
It further, further include an overflow valve, one end of the overflow valve is connected to three position four-way electromagnetic valve and ratio
In oil circuit between flow valve, the other end is connected to fuel tank.
Further, further include a radiator, the radiator be connected to three-position four-way electromagnetic directional valve and fuel tank it
Between oil circuit in.
Further, the sequence valve is external control type sequence valve.
The utility model has the beneficial effects that: by the implementation of the utility model, by using accumulator and hydraulic pump
One is all that retarder fuel feeding relative to single oil pump feed or gas-pressurized considerably increases fuel delivery, while passing through proportional flow control valve
Flow is adjusted, it is easy to accomplish auto-control and flow continuously adjust, in addition, also low using hydraulic pump inlet pressure
The characteristics of, oil return opening is connected with hydraulic pump oil inlet, compared with the connection type that oil liquid is directly drained to oil return box, is increased
The flow for having added hydraulic oil to flow back from working chamber, and then the working efficiency of entire oil circuit is improved, finally, the utility model structure
Composition is simple, it is easy to accomplish, it can be promoted the use of in the Retarder of a variety of automobiles.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of Retarder in the prior art；
In figure: 1- working chamber, 2- check valve, 3- proportional flow control valve, 4- overflow valve, 5- three-position four-way electromagnetic directional valve, 6-
Accumulator, 7- solenoid valve, 8- sequence valve, 9- hydraulic pump, 10- filter, 11- radiator, 21- Retarder working chamber, 22-
Radiator, 23- brake fluid, 24- compressed air, 25- gas source and control device, 26- shaft.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Figure 1, a kind of oil piping system for Vehicle Hydraulic Retarder, including working chamber 1, proportional flow control valve 3, three
Position four-way electromagnetic reversing valve 5, accumulator 6, solenoid valve 7, sequence valve 8 and hydraulic pump 9, wherein the oil inlet of working chamber 1 with
Proportional flow control valve 3 connects, and the oil outlet of working chamber 1 connect with three-position four-way electromagnetic directional valve 5, proportional flow control valve 3 and three four
Electric change valve 5 connects；The entrance of hydraulic pump 9 is connected to fuel tank, and outlet is connected to three-position four-way electromagnetic directional valve 5；Accumulation of energy
Device 6 is connect with solenoid valve 7, and solenoid valve 7 is connected in the oil circuit between three-position four-way electromagnetic directional valve 5 and hydraulic pump 9；Sequence valve
Oil circuit between 8 and three-position four-way electromagnetic directional valve 5 and hydraulic pump 9 is connected, and is connected with accumulator 6 and fuel tank；Three
Position four-way electromagnetic reversing valve 5 is also connected with the oil inlet of hydraulic pump 9.
Sequence valve 8 is used to control the energy-storage pressure of accumulator 6, and when being more than the energy-storage pressure of accumulator 6, oil liquid will be from suitable
Sequence valve 8 flows back to fuel tank；Whether solenoid valve 7 works for controlling accumulator 6.
It further, further include a check valve 2, the check valve 2 is placed between working chamber 1 and proportional flow control valve 3
In oil circuit, the entrance of check valve 2 is connect with proportional flow control valve 3, and the outlet of check valve 2 is connect with the entrance of working chamber 1.
It further, further include a filter 10, the filter 10 is placed in the oil circuit between hydraulic pump 9 and fuel tank
In, the hydraulic oil for entering hydraulic pump 9 is filtered.
Further, further include an overflow valve 4, one end of the overflow valve 4 be connected to three position four-way electromagnetic valve 5 with than
In oil circuit between example flow valve 3, the other end is connected to fuel tank.
It further, further include a radiator 11, the radiator 11 is connected to three-position four-way electromagnetic directional valve 5 and oil
In oil circuit between case.Heat dissipation of the radiator 11 for the oil liquid that flows back.
Further, the sequence valve 8 is external control type sequence valve.
When needing retarder to brake, three-position four-way electromagnetic directional valve 5 sets left position work, and oil liquid can pass through proportional flow control valve
3 adjust the working chamber 1 for entering retarder, and the size of flow is adjusted by proportional flow control valve 3 and controlled, when needing not continue to filling liquid
When, the middle position of three-position four-way electromagnetic directional valve 5 is in operating position, and the oil liquid of hydraulic pump 9 flows back to fuel tank by sequence valve 8.
When needing quick fuel feeding, the valve port opening of proportional flow control valve 3 reaches maximum value, meanwhile, solenoid valve 7 makes accumulator 6
The in-line of the working chamber 1 of the hydraulic fluid port and retarder of (accumulation of energy before) is connected, at this point, oil liquid flow is by hydraulic pump 9 and accumulation of energy
Device 6 combines fuel feeding, and flow increases, this shortens the time for making retarder reach predetermined filling amount, realizes quick filling liquid.
When needing to release retarder brake, the right position of three-position four-way electromagnetic directional valve 5 is in running order, at this point, retarder
Oil inlet circuit is in off state, and oil return circuit is connected to the oil inlet of hydraulic pump 9, in 9 oil inlet negative-pressure sucking of hydraulic pump
Under effect, it is sucked out oil liquid, meanwhile, oil liquid is pumped to accumulator 6, is 6 accumulation of energy of accumulator.
The utility model is all retarder fuel feeding by using accumulator and hydraulic pump one, relative to single oil pump feed or air pressure
Fuel feeding considerably increases fuel delivery, while flow being adjusted by proportional flow control valve, it is easy to accomplish auto-control and stream
Amount continuously adjusts, in addition, feature also low using hydraulic pump inlet pressure, oil return opening is connected with hydraulic pump oil inlet, with
Directly the connection type of oil liquid drainage oil return box is compared, considerably increases the flow that hydraulic oil flows back from working chamber, Jin Erti
The high working efficiency of entire oil circuit, finally, the utility model structure composition is simple, it is easy to accomplish, it can be in the liquid of a variety of automobiles
It is promoted the use of in power retarder.
Claims (6)
1. a kind of oil piping system for Vehicle Hydraulic Retarder, it is characterised in that: including working chamber (1), proportional flow control valve
(3), three-position four-way electromagnetic directional valve (5), accumulator (6), solenoid valve (7), sequence valve (8) and hydraulic pump (9), wherein work
The oil inlet for making chamber (1) is connect with proportional flow control valve (3), and the oil outlet of working chamber (1) and three-position four-way electromagnetic directional valve (5) are even
It connects, proportional flow control valve (3) is connect with three-position four-way electromagnetic directional valve (5)；The entrance of hydraulic pump (9) is connected to fuel tank, and outlet connects
It is connected to three-position four-way electromagnetic directional valve (5)；Accumulator (6) is connect with solenoid valve (7), and solenoid valve (7) is connected to 3-position 4-way electricity
In oil circuit between magnetic reversal valve (5) and hydraulic pump (9)；Sequence valve (8) and three-position four-way electromagnetic directional valve (5) and hydraulic pump
(9) oil circuit between is connected, and is connected with accumulator (6) and fuel tank；Three-position four-way electromagnetic directional valve (5) also with it is hydraulic
The oil inlet of pump (9) is connected.
2. being used for the oil piping system of Vehicle Hydraulic Retarder as described in claim 1, it is characterised in that: further include one unidirectional
Valve (2), the check valve (2) are placed in the oil circuit between working chamber (1) and proportional flow control valve (3), the entrance of check valve (2) with
Proportional flow control valve (3) connection, the outlet of check valve (2) is connect with the entrance of working chamber (1).
3. being used for the oil piping system of Vehicle Hydraulic Retarder as described in claim 1, it is characterised in that: further include a filtering
Device (10), the filter (10) are placed in the oil circuit between hydraulic pump (9) and fuel tank, to the hydraulic oil for entering hydraulic pump (9)
It is filtered.
4. being used for the oil piping system of Vehicle Hydraulic Retarder as described in claim 1, it is characterised in that: further include an overflow
Valve (4), one end of the overflow valve (4) are connected in the oil circuit between three position four-way electromagnetic valve (5) and proportional flow control valve (3),
The other end is connected to fuel tank.
5. being used for the oil piping system of Vehicle Hydraulic Retarder as described in claim 1, it is characterised in that: further include a heat dissipation
Device (11), the radiator (11) are connected in the oil circuit between three-position four-way electromagnetic directional valve (5) and fuel tank.
6. being used for the oil piping system of Vehicle Hydraulic Retarder as described in claim 1, it is characterised in that: the sequence valve (8)
For external control type sequence valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545630.0U CN208686849U (en) | 2018-04-17 | 2018-04-17 | A kind of oil piping system for Vehicle Hydraulic Retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545630.0U CN208686849U (en) | 2018-04-17 | 2018-04-17 | A kind of oil piping system for Vehicle Hydraulic Retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686849U true CN208686849U (en) | 2019-04-02 |
Family
ID=65876449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820545630.0U Expired - Fee Related CN208686849U (en) | 2018-04-17 | 2018-04-17 | A kind of oil piping system for Vehicle Hydraulic Retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686849U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255830A (en) * | 2020-01-20 | 2020-06-09 | 济宁市技师学院 | Birotor correlation hydraulic retarder axle |
| CN113246938A (en) * | 2021-07-05 | 2021-08-13 | 陕西法士特齿轮有限责任公司 | Retarder braking torque pressure control system and method |
| CN114321222A (en) * | 2021-12-31 | 2022-04-12 | 富奥汽车零部件股份有限公司 | Retarder oil supply method and retarder oil supply system |
| CN114396440A (en) * | 2021-12-23 | 2022-04-26 | 陕西法士特齿轮有限责任公司 | Independent assembly type front retarder system and control method |
| CN114992260A (en) * | 2022-05-13 | 2022-09-02 | 宁波市北仑旭泰汽车零部件有限公司 | Pump type retarder for vehicle retarding braking system |
-
2018
- 2018-04-17 CN CN201820545630.0U patent/CN208686849U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255830A (en) * | 2020-01-20 | 2020-06-09 | 济宁市技师学院 | Birotor correlation hydraulic retarder axle |
| CN111255830B (en) * | 2020-01-20 | 2021-07-20 | 济宁市技师学院 | Birotor correlation hydraulic retarder axle |
| CN113246938A (en) * | 2021-07-05 | 2021-08-13 | 陕西法士特齿轮有限责任公司 | Retarder braking torque pressure control system and method |
| CN113246938B (en) * | 2021-07-05 | 2021-11-09 | 陕西法士特齿轮有限责任公司 | Retarder braking torque pressure control system and method |
| CN114396440A (en) * | 2021-12-23 | 2022-04-26 | 陕西法士特齿轮有限责任公司 | Independent assembly type front retarder system and control method |
| CN114321222A (en) * | 2021-12-31 | 2022-04-12 | 富奥汽车零部件股份有限公司 | Retarder oil supply method and retarder oil supply system |
| CN114321222B (en) * | 2021-12-31 | 2023-07-04 | 富奥汽车零部件股份有限公司 | Retarder oil supply method and retarder oil supply system |
| CN114992260A (en) * | 2022-05-13 | 2022-09-02 | 宁波市北仑旭泰汽车零部件有限公司 | Pump type retarder for vehicle retarding braking system |
| CN114992260B (en) * | 2022-05-13 | 2024-04-05 | 宁波市北仑旭泰汽车零部件有限公司 | Pump type retarder for vehicle retarding braking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200417 |