CN203926185U - Fluid pressure drive device parking device - Google Patents
Fluid pressure drive device parking device Download PDFInfo
- Publication number
- CN203926185U CN203926185U CN201420387507.2U CN201420387507U CN203926185U CN 203926185 U CN203926185 U CN 203926185U CN 201420387507 U CN201420387507 U CN 201420387507U CN 203926185 U CN203926185 U CN 203926185U
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- CN
- China
- Prior art keywords
- mouth
- valve
- oil hydraulic
- hydraulic motor
- logical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of fluid pressure drive device parking device, comprise oil hydraulic pump, A mouth one way sequence valve, B mouth one way sequence valve, A mouth logical valve, B mouth Pilot operated check valve, oil hydraulic motor relief valve, logical valve control port relief valve, oil hydraulic motor, A mouth Pilot operated check valve, B mouth logical valve, fuel tank.The utlity model has following technique effect, 1, manipulate the unobstructed situation of oil circuit of oil hydraulic motor and then the operation conditions of control oil hydraulic motor by relief valve, realize the parking function of oil hydraulic motor, thereby effectively solve because of bad control break opening time, the phenomenon of slipping after causing, has solved and the problem of slipping after overhead manned equipment, in the time that load starts, aircraft occurs has occurred; 2, when occurring fortuitous event amount, close oil hydraulic motor, can realize brake; 3, the utility model result simply, easily operation, Safety performance is good.
Description
Technical field
The utility model relates to a kind of fluid pressure drive device.
Background technique
The feature due to hydraulic driving with stable performance is widely used, a lot of drive units adopt hydraulic driving mode, fluid pressure drive device be generally adopt on reductor shaft and operation that mode that break is installed on driving wheel wheel limit realizes fluid pressure drive device with stop, but while adopting this mode of braking, the opening time of bad control break, the phenomenon of slipping after usually causing, as, the phenomenon that hydraulic driving overhead manned equipment slips there is aircraft in the time that load starts after, and cause the generation of personnel casualty accidents, there is certain potential safety hazard.
Model utility content
The purpose of this utility model is to provide a kind of fluid pressure drive device parking device.
The technical solution of the utility model is that a kind of fluid pressure drive device parking device, comprises oil hydraulic pump, A mouth one way sequence valve, B mouth one way sequence valve, A mouth logical valve, B mouth Pilot operated check valve, oil hydraulic motor relief valve, logical valve control port relief valve, oil hydraulic motor, A mouth Pilot operated check valve, B mouth logical valve, fuel tank, the filler opening of the A1 mouth of oil hydraulic pump and A mouth logical valve, the filler opening of A mouth one way sequence valve is connected, and the oil outlet of A mouth one way sequence valve is connected with the control port of A mouth Pilot operated check valve, and the A mouth of A mouth Pilot operated check valve is connected with fuel tank, the B mouth while of A mouth Pilot operated check valve and the control port of B mouth logical valve, the T mouth of logical valve control port relief valve is connected, the B mouth while of B mouth Pilot operated check valve and the control port of A mouth logical valve, the P mouth of logical valve control port relief valve is connected, the oil outlet while of A mouth logical valve and the A2 mouth of oil hydraulic motor, the T mouth of oil hydraulic motor relief valve is connected, the oil outlet while of B mouth logical valve and the B2 mouth of oil hydraulic motor, the P mouth of oil hydraulic motor relief valve is connected, the filler opening of the B1 mouth of oil hydraulic pump and B mouth logical valve, the filler opening of B mouth one way sequence valve is connected, and the oil outlet of B mouth one way sequence valve is connected with the control port of B mouth Pilot operated check valve, and the A mouth of B mouth Pilot operated check valve is connected with fuel tank, and the drain tap of A mouth one way sequence valve and B mouth one way sequence valve is connected with fuel tank simultaneously.
The utlity model has following technique effect, 1, manipulate the unobstructed situation of oil circuit of oil hydraulic motor and then the operation conditions of control oil hydraulic motor by relief valve, realize the parking function of oil hydraulic motor, thereby effectively solve because of bad control break opening time, the phenomenon of slipping after causing, has solved and the problem of slipping after overhead manned equipment, in the time that load starts, aircraft occurs has occurred; 2, when occurring fortuitous event amount, close oil hydraulic motor, can realize brake; 3, the utility model result simply, easily operation, Safety performance is good.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of fluid pressure drive device parking device, comprises oil hydraulic pump 1, A mouth one way sequence valve 2, B mouth one way sequence valve 3, A mouth logical valve 4, B mouth Pilot operated check valve 5, oil hydraulic motor relief valve 6, logical valve control port relief valve 7, oil hydraulic motor 8, A mouth Pilot operated check valve 9, B mouth logical valve 10, fuel tank 11, is characterized in that: the filler opening of the A1 mouth of oil hydraulic pump 1 and A mouth logical valve 4, the filler opening of A mouth one way sequence valve 2 is connected, and the oil outlet of A mouth one way sequence valve 2 is connected with the control port of A mouth Pilot operated check valve 9, and the A mouth of A mouth Pilot operated check valve 9 is connected with fuel tank 11, the B mouth while of A mouth Pilot operated check valve 9 and the control port of B mouth logical valve 10, the T mouth of logical valve control port relief valve 7 is connected, the B mouth while of B mouth Pilot operated check valve 5 and the control port of A mouth logical valve 4, the P mouth of logical valve control port relief valve 7 is connected, the oil outlet while of A mouth logical valve 4 and the A2 mouth of oil hydraulic motor, the T mouth of oil hydraulic motor relief valve 6 is connected, the oil outlet while of B mouth logical valve 10 and the B2 mouth of oil hydraulic motor 8, the P mouth of oil hydraulic motor relief valve 6 is connected, the filler opening of the B1 mouth of oil hydraulic pump 1 and B mouth logical valve 10, the filler opening of B mouth one way sequence valve 3 is connected, the oil outlet of B mouth one way sequence valve 3 is connected with the control port of B mouth Pilot operated check valve 5, the A mouth of B mouth Pilot operated check valve 5 is connected with fuel tank 11, and the drain tap of A mouth one way sequence valve 2 and B mouth one way sequence valve 3 is connected with fuel tank 11 simultaneously.
Working principle of the present utility model, oil hydraulic pump 1 moves swash plate and opens, by the cracking pressure (general cracking pressure is greater than benefit pumping pressure) of A mouth one way sequence valve 2 and B mouth one way sequence valve 3 control system, when driving pressure is greater than, benefit pumping pressure hydraulic oil passes through A mouth one way sequence valve 2 and B mouth one way sequence valve 3 is opened B mouth Pilot operated check valve 5, A mouth Pilot operated check valve 9 makes its conducting, the control port release pressure of A mouth logical valve 4 and B mouth logical valve 10, make A mouth logical valve 4 and B mouth logical valve 10 into and out of hydraulic fluid port conducting, oil hydraulic motor 8 operation work.
Oil hydraulic pump 1 moves swash plate and does not open, driving pressure equals to mend pumping pressure, pressure oil can not be opened B mouth Pilot operated check valve 5, A mouth Pilot operated check valve 9 by A mouth one way sequence valve 2 and B mouth one way sequence valve 3, the not release pressure of control port of A mouth logical valve 4 and B mouth logical valve 10, A mouth logical valve 4 and B mouth logical valve 10 into and out of not conducting of hydraulic fluid port, oil hydraulic motor 8 oil inlet and outlets are by locked, and when having realized overhead manned equipment load and starting, aircraft slips situation after not occurring.When there is fortuitous event amount, close oil hydraulic motor 8, can realize brake.
Claims (1)
1. a fluid pressure drive device parking device, comprise oil hydraulic pump (1), A mouth one way sequence valve (2), B mouth one way sequence valve (3), A mouth logical valve (4), B mouth Pilot operated check valve (5), oil hydraulic motor relief valve (6), logical valve control port relief valve (7), oil hydraulic motor (8), A mouth Pilot operated check valve (9), B mouth logical valve (10), fuel tank (11), it is characterized in that: the filler opening of the A1 mouth of oil hydraulic pump (1) and A mouth logical valve (4), the filler opening of A mouth one way sequence valve (2) is connected, the oil outlet of A mouth one way sequence valve (2) is connected with the control port of A mouth Pilot operated check valve (9), the A mouth of A mouth Pilot operated check valve (9) is connected with fuel tank (11), the B mouth while of A mouth Pilot operated check valve (9) and the control port of B mouth logical valve (10), the T mouth of logical valve control port relief valve (7) is connected, the B mouth while of B mouth Pilot operated check valve (5) and the control port of A mouth logical valve (4), the P mouth of logical valve control port relief valve (7) is connected, the oil outlet while of A mouth logical valve (4) and the A2 mouth of oil hydraulic motor, the T mouth of oil hydraulic motor relief valve (6) is connected, the oil outlet while of B mouth logical valve (10) and the B2 mouth of oil hydraulic motor (8), the P mouth of oil hydraulic motor relief valve (6) is connected, the filler opening of the B1 mouth of oil hydraulic pump (1) and B mouth logical valve (10), the filler opening of B mouth one way sequence valve (3) is connected, the oil outlet of B mouth one way sequence valve (3) is connected with the control port of B mouth Pilot operated check valve (5), the A mouth of B mouth Pilot operated check valve (5) is connected with fuel tank (11), the drain tap of A mouth one way sequence valve (2) and B mouth one way sequence valve (3) is connected with fuel tank (11) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387507.2U CN203926185U (en) | 2014-07-14 | 2014-07-14 | Fluid pressure drive device parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387507.2U CN203926185U (en) | 2014-07-14 | 2014-07-14 | Fluid pressure drive device parking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926185U true CN203926185U (en) | 2014-11-05 |
Family
ID=51822004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387507.2U Withdrawn - After Issue CN203926185U (en) | 2014-07-14 | 2014-07-14 | Fluid pressure drive device parking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061200A (en) * | 2014-07-14 | 2014-09-24 | 湘潭市恒欣实业有限公司 | Parking device for hydraulic drive device |
| CN107676316A (en) * | 2017-11-07 | 2018-02-09 | 燕山大学 | A kind of braking control system and control method applied to hydraulic open system |
-
2014
- 2014-07-14 CN CN201420387507.2U patent/CN203926185U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061200A (en) * | 2014-07-14 | 2014-09-24 | 湘潭市恒欣实业有限公司 | Parking device for hydraulic drive device |
| CN104061200B (en) * | 2014-07-14 | 2016-02-24 | 湘潭市恒欣实业有限公司 | Fluid pressure drive device parking device |
| CN107676316A (en) * | 2017-11-07 | 2018-02-09 | 燕山大学 | A kind of braking control system and control method applied to hydraulic open system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |