CN204387298U - Vehicle gear box oil-way system - Google Patents
Vehicle gear box oil-way system Download PDFInfo
- Publication number
- CN204387298U CN204387298U CN201420812087.8U CN201420812087U CN204387298U CN 204387298 U CN204387298 U CN 204387298U CN 201420812087 U CN201420812087 U CN 201420812087U CN 204387298 U CN204387298 U CN 204387298U
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- valve
- pipeline
- oil
- box
- gear
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- Expired - Fee Related
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Abstract
Vehicle gear box oil-way system, comprise the gear-box of fuel feeding, strainer is provided with in gear-box, strainer is connected on oil pump by pipeline, the pipeline of oil pump is connected with a point branch oil pipe, divide on branch oil pipe and be provided with throttle orifice successively, inching valve and the second solenoid valve filter screen, the end of branch oil pipe is divided to be connected with the input end of solenoid directional control valve, solenoid directional control valve and inching valve are all connected with return line, return line connects and is connected with gear-box, point branch oil pipe between described throttle orifice and oil pump is connected with recuperation valve by pipeline, the outlet end of recuperation valve is connected with buffering accumulated energy device by pipeline, buffering accumulated energy device is connected on point branch oil pipe between throttle orifice and inching valve by pipeline.It sets up compensation oil circuit in traditional oil-way system, to compensate the loss of interior leakage flow, thus maintains the stable of hydraulic system pressure, and then sets up effective oil film and prevent automatic operating card valve, avoids pooling feature to lose efficacy, realizes the less trouble of vehicle.
Description
Technical field:
The utility model relates to the technical field of gearbox, more specifically to the oil-way system of vehicle gear box.
Background technique:
The engineering vehicle of some band oil-way systems common in current life, as excavator, fork truck etc., the fuel tank of the oil-way system fuel feeding on its gearbox is generally the gear-box of gearbox, and being generally divided into two-way from the oil circuit that gear-box is gone out, a road flows to inching valve and solenoid directional control valve, and another flows to lubrication system, but no matter flow to any road, conventional oil path system such as all to let out in hair oil pressure at the special status, thus causes the oil pressure of the oil-way system on gearbox unstable, causes vehicle to break down.
Model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of vehicle gear box oil-way system, and it carrys out the pressure stability of maintenance medium pressing system by compensating oil circuit, and then sets up effective oil film and prevent automatic operating card valve.
Technology solution of the present utility model is as follows:
Vehicle gear box oil-way system, comprise the gear-box of fuel feeding, strainer is provided with in gear-box, strainer is connected on oil pump by pipeline, fuel pump outlet end is connected with pressure regulator valve in turn by pipeline, first solenoid valve filter screen, torque-converters and cooler, the outlet end of cooler is connected with lubricating oil path by pipeline, pipeline between described oil pump and pressure regulator valve is connected with a point branch oil pipe, divide on branch oil pipe and be provided with throttle orifice successively, inching valve and the second solenoid valve filter screen, the end of branch oil pipe is divided to be connected with the input end of solenoid directional control valve, solenoid directional control valve and inching valve are all connected with return line, return line is connected with gear-box, pipeline between first solenoid valve filter screen and torque-converters is connected with the first branched pipe, the end of the first branched pipe is connected with the input end of reduction valve, the outlet end of reduction valve is connected on return line, be connected with the second branched pipe on pipeline between described torque-converters and cooler, the end of the second branched pipe is connected with the input end of safety valve, and the outlet end of safety valve is connected on return line,
Point branch oil pipe between described throttle orifice and oil pump is connected with recuperation valve by pipeline, and the outlet end of recuperation valve is connected with buffering accumulated energy device by pipeline, and buffering accumulated energy device is connected on point branch oil pipe between throttle orifice and inching valve by pipeline.
Described reduction valve and safety valve all adopt automatic control, and the authorized pressure scope of reduction valve is 0.5 ~ 0.7MP, and the authorized pressure scope of safety valve is 0.29 ~ 0.31MP, and the range of pressure values of described pressure regulator valve is 1.1 ~ 1.4MP.
The beneficial effects of the utility model are:
1, it sets up compensation oil circuit in traditional oil-way system, to compensate the loss of interior leakage flow, thus maintain the stable of hydraulic system pressure, and then set up effective oil film and prevent automatic operating card valve, avoid pooling feature to lose efficacy, realize the less trouble of vehicle.
2, it is that the both sides, front and back of torque-converters in the pipeline of lubrication system fuel feeding set up reduction valve and safety valve respectively, thus available protecting torque-converters, prevent torque-converters from breaking down.
Accompanying drawing illustrates:
Fig. 1 is the principle schematic of the utility model oil-way system.
In figure: 1, gear-box; 2, strainer; 3, oil pump; 4, pressure regulator valve; 5, the first solenoid valve filter screen; 6, reduction valve; 7, torque-converters; 8, cooler; 9, lubricating oil path; 10, safety valve; 11, inching valve; 12, solenoid directional control valve; 13, throttle orifice; 14, the second solenoid valve filter screen; 15, recuperation valve; 16, buffering accumulated energy device.
Embodiment:
Embodiment: as shown in Figure 1, vehicle gear box oil-way system, comprise the gear-box 1 of fuel feeding, strainer 2 is provided with in gear-box 1, strainer 2 is connected on oil pump 3 by pipeline, oil pump 3 outlet end is connected with pressure regulator valve 4 in turn by pipeline, first solenoid valve filter screen 5, torque-converters 7 and cooler 8, the outlet end of cooler 8 is connected with lubricating oil path 9 by pipeline, pipeline between described oil pump and pressure regulator valve 4 is connected with a point branch oil pipe, divide on branch oil pipe and be provided with throttle orifice 13 successively, inching valve 11 and the second solenoid valve filter screen 14, the end of branch oil pipe is divided to be connected with the input end of solenoid directional control valve 12, solenoid directional control valve 12 and inching valve 11 are all connected with return line, return line is connected with gear-box 1, pipeline between first solenoid valve filter screen 5 and torque-converters 7 is connected with the first branched pipe, the end of the first branched pipe is connected with the input end of reduction valve 6, the outlet end of reduction valve 6 is connected on return line, be connected with the second branched pipe on pipeline between described torque-converters 7 and cooler 8, the end of the second branched pipe is connected with the input end of safety valve 10, and the outlet end of safety valve 10 is connected on return line,
Point branch oil pipe between described throttle orifice 13 and oil pump 3 is connected with recuperation valve 15 by pipeline, the outlet end of recuperation valve 15 is connected with buffering accumulated energy device 16 by pipeline, and buffering accumulated energy device 16 is connected on point branch oil pipe between throttle orifice 13 and inching valve 11 by pipeline.
Described reduction valve 6 and safety valve 10 all adopt and automatically control, and the authorized pressure scope of reduction valve 6 is 0.5 ~ 0.7MP, and the authorized pressure scope of safety valve 10 is 0.29 ~ 0.31MP, and the range of pressure values of described pressure regulator valve 4 is 1.1 ~ 1.4MP.
Working principle: the utility model sets up reduction valve 6 and safety valve 10 respectively in the both sides, front and back of torque-converters 7, the maximum 0.7MP of reduction valve 6 authorized pressure value, safety valve 10 force value 0.3MP, when from pressure regulator valve 4 out oil pressure through the first solenoid valve filter screen 5, reduction valve 6 pressure release, when after decompression, pressure is still greater than 0.7MP, damage is caused by impacting with high pressure for avoiding torque-converters 7, or increase suddenly from the torque-converters 7 oil pressure pressure be greater than between 0.3MP torque-converters 7 and lubricating oil path out simultaneously and be greater than 0.3MP, then safety valve 10 will open pressure release, thus stablize oil pressure and the protection torque-converters 7 of lubricating oil path.
Simultaneously an other road thus gear-box 1 (being fuel tank) oil pressure out reduce pressure through throttle orifice 13 and flow into inching valve 11 and solenoid directional control valve 12, when revealing in occurring, when the oil pressure of inching valve 11 and solenoid directional control valve 12 sections diminishes, then recuperation valve 15 is opened, again through buffering accumulated energy device 16 voltage stabilizing thus the oil pressure of replenish lost, when recuperation valve 15 is not opened simultaneously, buffering accumulated energy device 16 also can carry out buffering to throttle orifice 13 oil pressure out and stablize.
Claims (2)
1. vehicle gear box oil-way system, comprise the gear-box (1) of fuel feeding, strainer (2) is provided with in gear-box (1), strainer (2) is connected on oil pump (3) by pipeline, oil pump (3) outlet end is connected with pressure regulator valve (4) in turn by pipeline, first solenoid valve filter screen (5), torque-converters (7) and cooler (8), the outlet end of cooler (8) is connected with lubricating oil path (9) by pipeline, pipeline between described oil pump and pressure regulator valve (4) is connected with a point branch oil pipe, divide on branch oil pipe and be provided with throttle orifice (13) successively, inching valve (11) and the second solenoid valve filter screen (14), the end of branch oil pipe is divided to be connected with the input end of solenoid directional control valve (12), solenoid directional control valve (12) and inching valve (11) are all connected with return line, return line is connected with gear-box (1), it is characterized in that: the pipeline between the first solenoid valve filter screen (5) and torque-converters (7) is connected with the first branched pipe, the end of the first branched pipe is connected with the input end of reduction valve (6), the outlet end of reduction valve (6) is connected on return line, pipeline between described torque-converters (7) and cooler (8) is connected with the second branched pipe, the end of the second branched pipe is connected with the input end of safety valve (10), and the outlet end of safety valve (10) is connected on return line,
Point branch oil pipe between described throttle orifice (13) and oil pump (3) is connected with recuperation valve (15) by pipeline, the outlet end of recuperation valve (15) is connected with buffering accumulated energy device (16) by pipeline, and buffering accumulated energy device (16) is connected on point branch oil pipe between throttle orifice (13) and inching valve (11) by pipeline.
2. vehicle gear box oil-way system according to claim 1, it is characterized in that: described reduction valve (6) and safety valve (10) all adopt and automatically control, the authorized pressure scope of reduction valve (6) is 0.5 ~ 0.7MP, the authorized pressure scope of safety valve (10) is 0.29 ~ 0.31MP, and the range of pressure values of described pressure regulator valve (4) is 1.1 ~ 1.4MP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812087.8U CN204387298U (en) | 2014-12-19 | 2014-12-19 | Vehicle gear box oil-way system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812087.8U CN204387298U (en) | 2014-12-19 | 2014-12-19 | Vehicle gear box oil-way system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387298U true CN204387298U (en) | 2015-06-10 |
Family
ID=53360020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812087.8U Expired - Fee Related CN204387298U (en) | 2014-12-19 | 2014-12-19 | Vehicle gear box oil-way system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387298U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065620A (en) * | 2015-08-11 | 2015-11-18 | 浙江中柴机器有限公司 | Hydraulic transmission system driven by four wheels |
| CN107869581A (en) * | 2016-09-26 | 2018-04-03 | 现代自动车株式会社 | Hydraulic feed system for the automatic transmission of motor vehicle driven by mixed power |
| CN108561356A (en) * | 2017-12-29 | 2018-09-21 | 杭州前进齿轮箱集团股份有限公司 | A kind of used with tractor commutation hydraulic device |
| CN111336245A (en) * | 2020-04-01 | 2020-06-26 | 泸州容大智能变速器有限公司 | Main pressure self-adaptive control system and gearbox assembly thereof |
| CN115370761A (en) * | 2022-08-23 | 2022-11-22 | 泗洪智工精密机械有限公司 | Monitoring device for fuel control valve |
-
2014
- 2014-12-19 CN CN201420812087.8U patent/CN204387298U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065620A (en) * | 2015-08-11 | 2015-11-18 | 浙江中柴机器有限公司 | Hydraulic transmission system driven by four wheels |
| CN107869581A (en) * | 2016-09-26 | 2018-04-03 | 现代自动车株式会社 | Hydraulic feed system for the automatic transmission of motor vehicle driven by mixed power |
| CN108561356A (en) * | 2017-12-29 | 2018-09-21 | 杭州前进齿轮箱集团股份有限公司 | A kind of used with tractor commutation hydraulic device |
| CN111336245A (en) * | 2020-04-01 | 2020-06-26 | 泸州容大智能变速器有限公司 | Main pressure self-adaptive control system and gearbox assembly thereof |
| CN111336245B (en) * | 2020-04-01 | 2021-04-23 | 泸州容大智能变速器有限公司 | Main pressure self-adaptive control system and gearbox assembly thereof |
| CN115370761A (en) * | 2022-08-23 | 2022-11-22 | 泗洪智工精密机械有限公司 | Monitoring device for fuel control valve |
| CN115370761B (en) * | 2022-08-23 | 2023-08-22 | 泗洪智工精密机械有限公司 | Monitoring device for fuel control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150610 Termination date: 20181219 |