CN204344564U - Hydraulic supply unit - Google Patents
Hydraulic supply unit Download PDFInfo
- Publication number
- CN204344564U CN204344564U CN201420838712.6U CN201420838712U CN204344564U CN 204344564 U CN204344564 U CN 204344564U CN 201420838712 U CN201420838712 U CN 201420838712U CN 204344564 U CN204344564 U CN 204344564U
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- Prior art keywords
- communicated
- solenoid directional
- valve
- directional control
- control valve
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Abstract
The utility model discloses a kind of hydraulic supply unit, its by a fuel tank (1), a vane pump (2), a motor (3), an one-way valve (4), carry the oil cylinder that inclines (5), stacking type hydraulic control check valve (6), carry the oil cylinder solenoid directional control valve (7) that inclines, compression cylinder (8), compression cylinder solenoid directional control valve (9), return filter (10) form.The functional reliability of above-mentioned hydraulic supply unit is high.
Description
Technical field
The utility model relates to and a kind ofly carries out the device of oil supply to incline oil cylinder and compression cylinder of carrying on garbage compression box, is specifically a kind of hydraulic supply unit for garbage compression box.
Background technique
The hydraulic supply unit of prior art comprises a fuel tank, a vane pump, a motor, an one-way valve, an electromagnetic relief valve, carries the oil cylinder that inclines, stacking type hydraulic control check valve, carries the oil cylinder solenoid directional control valve that inclines, compression cylinder, compression cylinder solenoid directional control valve; Described blade Pump and Electromotor is connected by coupling; The filler opening of described vane pump is communicated with fuel tank; The oil outlet of described vane pump is communicated with the filler opening of one-way valve; The oil outlet of described one-way valve is communicated with the filler opening of electromagnetic relief valve; The oil outlet of described electromagnetic relief valve with carry the filler opening of the oil cylinder solenoid directional control valve that inclines, the filler opening of compression cylinder solenoid directional control valve is communicated with; Described carry incline oil cylinder solenoid directional control valve also with carry the oil cylinder that inclines and be communicated with; Described compression cylinder solenoid directional control valve is also communicated with stacking type hydraulic control check valve; Described stacking type hydraulic control check valve is also communicated with compression cylinder; Describedly carry the oil outlet of the oil cylinder solenoid directional control valve that inclines, the oil outlet of compression cylinder solenoid directional control valve is also communicated with the filler opening of return filter; The oil outlet of described return filter is also communicated with fuel tank.The hydraulic supply unit of said structure has the following disadvantages in the using process of reality: when causing the underpressure of hydraulic supply unit in the course of the work by such environmental effects or cross foot, because electromagnetic relief valve cannot carry out Flow-rate adjustment, thus carry incline oil cylinder and the compression cylinder of hydraulic supply unit can be caused not to work or promote not in place, thus affect the functional reliability of hydraulic supply unit.
Model utility content
The technical problems to be solved in the utility model is, provides the hydraulic supply unit that a kind of functional reliability is high.
The technical solution of the utility model is, a kind of hydraulic supply unit is provided, comprise a fuel tank, a vane pump, a motor, an one-way valve, carry the oil cylinder that inclines, stacking type hydraulic control check valve, carry the oil cylinder solenoid directional control valve that inclines, compression cylinder, compression cylinder solenoid directional control valve; Described blade Pump and Electromotor is connected by coupling; The filler opening of described vane pump is communicated with fuel tank; The oil outlet of described vane pump is communicated with the filler opening of one-way valve; Described carry incline oil cylinder solenoid directional control valve also with carry the oil cylinder that inclines and be communicated with; Described compression cylinder solenoid directional control valve is also communicated with stacking type hydraulic control check valve; Described stacking type hydraulic control check valve is also communicated with compression cylinder; Describedly carry the oil outlet of the oil cylinder solenoid directional control valve that inclines, the oil outlet of compression cylinder solenoid directional control valve is also communicated with the filler opening of return filter; The oil outlet of described return filter is also communicated with fuel tank; Described hydraulic supply unit also comprises an electric-hydraulic proportion overflowing and speed valve, and the filler opening of described electric-hydraulic proportion overflowing and speed valve is communicated with the oil outlet of one-way valve; The oil outlet of described electric-hydraulic proportion overflowing and speed valve with carry the filler opening of the oil cylinder solenoid directional control valve that inclines, the filler opening of compression cylinder solenoid directional control valve is communicated with; The monitoring mouth of described electric-hydraulic proportion overflowing and speed valve with carry the oil outlet of the oil cylinder solenoid directional control valve that inclines, the oil outlet of compression cylinder solenoid directional control valve is communicated with.
An oil purifier is communicated with between the filler opening of described vane pump and fuel tank.
An air cooled chiller is communicated with between the oil outlet of described return filter and fuel tank.
Described fuel tank is also communicated with a temperature transmitter.
Described fuel tank is also communicated with a fluid level transmitter.
After adopting above structure, the utility model compared with prior art, has the following advantages:
The utility model hydraulic supply unit is regulated flow by an electric-hydraulic proportion overflowing and speed valve.When causing the underpressure of hydraulic supply unit so in the course of the work by such environmental effects or cross foot, because electric-hydraulic proportion overflowing and speed valve can carry out Flow-rate adjustment, thus can ensure that carry incline oil cylinder and the compression cylinder of hydraulic supply unit normally work, thus ensure that the functional reliability of hydraulic supply unit.
As improvement, between the filler opening of described vane pump and fuel tank, be communicated with an oil purifier.This structure be provided with the raising being beneficial to hydraulic supply unit functional reliability.
As improvement, between the oil outlet of described return filter and fuel tank, be communicated with an air cooled chiller.This structure be provided with the raising being beneficial to hydraulic supply unit functional reliability.
As improvement, described fuel tank is also communicated with a temperature transmitter.This structure be provided with the raising being beneficial to hydraulic supply unit functional reliability.
As improvement, described fuel tank is also communicated with a fluid level transmitter.This structure be provided with the raising being beneficial to hydraulic supply unit functional reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hydraulic supply unit.
Shown in figure 1, fuel tank, 2, vane pump, 3, motor, 4, one-way valve, 5, carry the oil cylinder that inclines, 6, stacking type hydraulic control check valve, 7, the oil cylinder solenoid directional control valve that inclines is carried, 8, compression cylinder, 9, compression cylinder solenoid directional control valve, 10, return filter, 11, electric-hydraulic proportion overflowing and speed valve, 12, oil purifier, 13, air cooled chiller, 14, temperature transmitter, 15, fluid level transmitter, 16, pressure transmitter.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of hydraulic supply unit of the utility model, comprise fuel tank 1, vane pump 2, motor 3, one-way valve 4, carry the oil cylinder 5 that inclines, stacking type hydraulic control check valve 6, carry the oil cylinder solenoid directional control valve 7 that inclines, compression cylinder 8, compression cylinder solenoid directional control valve 9, return filter 10, motor 3 is vertical machine; Described vane pump 2 is connected by coupling with motor 3; The filler opening of described vane pump 2 is communicated with fuel tank 1; The oil outlet of described vane pump 2 is communicated with the filler opening of one-way valve 4; Described carry incline oil cylinder solenoid directional control valve 7 also with carry the oil cylinder 5 that inclines and be communicated with; Described compression cylinder solenoid directional control valve 9 is also communicated with stacking type hydraulic control check valve 7; Described stacking type hydraulic control check valve 7 is also communicated with compression cylinder 8; Describedly carry the oil outlet of the oil cylinder solenoid directional control valve 7 that inclines, the oil outlet of compression cylinder solenoid directional control valve 9 is also communicated with the filler opening of return filter 10; The oil outlet of described return filter 10 is also communicated with fuel tank 1; Described hydraulic supply unit also comprises an electric-hydraulic proportion overflowing and speed valve 11, and the filler opening of described electric-hydraulic proportion overflowing and speed valve 11 is communicated with the oil outlet of one-way valve 4; The oil outlet of described electric-hydraulic proportion overflowing and speed valve 11 with carry the filler opening of the oil cylinder solenoid directional control valve 7 that inclines, the filler opening of compression cylinder solenoid directional control valve 9 is communicated with; The monitoring mouth of described electric-hydraulic proportion overflowing and speed valve 11 with carry the oil outlet of the oil cylinder solenoid directional control valve 7 that inclines, the oil outlet of compression cylinder solenoid directional control valve 9 is communicated with.
An oil purifier 12 is communicated with between the filler opening of described vane pump 2 and fuel tank 1.
An air cooled chiller 13 is communicated with between the oil outlet of described return filter 10 and fuel tank 1.
Described fuel tank 1 is also communicated with a temperature transmitter 14.
Described fuel tank 1 is also communicated with a fluid level transmitter 15.Described fuel tank 1 is also communicated with a level meter.
The oil outlet of described electric-hydraulic proportion overflowing and speed valve 11 is also communicated with a pressure transmitter 16.
Below only just most preferred embodiment of the present utility model is described, but can not be interpreted as it is limitations on claims.The utility model is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection domain of the utility model independent claims is all in protection domain of the present utility model.
Claims (6)
1. a hydraulic supply unit, comprise a fuel tank (1), a vane pump (2), a motor (3), an one-way valve (4), carry the oil cylinder that inclines (5), stacking type hydraulic control check valve (6), carry the oil cylinder solenoid directional control valve (7) that inclines, compression cylinder (8), compression cylinder solenoid directional control valve (9), return filter (10); Described vane pump (2) is connected by coupling with motor (3); The filler opening of described vane pump (2) is communicated with fuel tank (1); The oil outlet of described vane pump (2) is communicated with the filler opening of one-way valve (4); Described carry incline oil cylinder solenoid directional control valve (7) also with carry the oil cylinder that inclines (5) and be communicated with; Described compression cylinder solenoid directional control valve (9) is also communicated with stacking type hydraulic control check valve (7); Described stacking type hydraulic control check valve (7) is also communicated with compression cylinder (8); Describedly carry the oil outlet of oil cylinder solenoid directional control valve (7) of inclining, the oil outlet of compression cylinder solenoid directional control valve (9) is also communicated with the filler opening of return filter (10); The oil outlet of described return filter (10) is also communicated with fuel tank (1); It is characterized in that: described hydraulic supply unit also comprises an electric-hydraulic proportion overflowing and speed valve (11), the filler opening of described electric-hydraulic proportion overflowing and speed valve (11) is communicated with the oil outlet of one-way valve (4); The oil outlet of described electric-hydraulic proportion overflowing and speed valve (11) with carry the filler opening of oil cylinder solenoid directional control valve (7) of inclining, the filler opening of compression cylinder solenoid directional control valve (9) is communicated with; The monitoring mouth of described electric-hydraulic proportion overflowing and speed valve (11) with carry the oil outlet of oil cylinder solenoid directional control valve (7) of inclining, the oil outlet of compression cylinder solenoid directional control valve (9) is communicated with.
2. hydraulic supply unit according to claim 1, is characterized in that: be communicated with an oil purifier (12) between the filler opening of described vane pump (2) and fuel tank (1).
3. hydraulic supply unit according to claim 1, is characterized in that: be communicated with an air cooled chiller (13) between the oil outlet of described return filter (10) and fuel tank (1).
4. hydraulic supply unit according to claim 1, is characterized in that: described fuel tank (1) is also communicated with a temperature transmitter (14).
5. hydraulic supply unit according to claim 1, is characterized in that: described fuel tank (1) is also communicated with a fluid level transmitter (15).
6. hydraulic supply unit according to claim 1, is characterized in that: the oil outlet of described electric-hydraulic proportion overflowing and speed valve (11) is also communicated with a pressure transmitter (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838712.6U CN204344564U (en) | 2014-12-25 | 2014-12-25 | Hydraulic supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838712.6U CN204344564U (en) | 2014-12-25 | 2014-12-25 | Hydraulic supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344564U true CN204344564U (en) | 2015-05-20 |
Family
ID=53227836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420838712.6U Expired - Fee Related CN204344564U (en) | 2014-12-25 | 2014-12-25 | Hydraulic supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116453A (en) * | 2019-06-04 | 2019-08-13 | 南京理工大学 | A kind of hydraulic control system of block machine |
-
2014
- 2014-12-25 CN CN201420838712.6U patent/CN204344564U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116453A (en) * | 2019-06-04 | 2019-08-13 | 南京理工大学 | A kind of hydraulic control system of block machine |
| CN110116453B (en) * | 2019-06-04 | 2020-10-02 | 南京理工大学 | Hydraulic control system of block making machine |
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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 |
Granted publication date: 20150520 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |