CN209115450U - A kind of hydraulic power unit - Google Patents
A kind of hydraulic power unit Download PDFInfo
- Publication number
- CN209115450U CN209115450U CN201821797974.7U CN201821797974U CN209115450U CN 209115450 U CN209115450 U CN 209115450U CN 201821797974 U CN201821797974 U CN 201821797974U CN 209115450 U CN209115450 U CN 209115450U
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- fuel tank
- hydraulic
- pressure
- 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.)
- Expired - Fee Related
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of hydraulic power unit, including shell, fuel tank, motor, gear pump, valve platform, fuel tank is equipped in the shell, the top of the shell is equipped with motor, the output shaft of motor extends downwardly into shell and is connected with gear pump by shaft coupling, the input terminal of the gear pump is connect with the oil absorption filter being located in fuel tank, output end is connect by check valve with the pressure oil inlet of valve platform, the oil return opening of the valve platform and the oil return pipe of fuel tank connect, and the valve platform is equipped with hydraulic pressure adjustment portion and multiple hydraulic actuator control units.The utility model structure is simple, can control multiple hydraulic actuators simultaneously, and easy to operate, by valve group by Integration Design, makes compact-sized, the pressure loss is small.
Description
Technical field
The utility model relates to field of hydraulic equipment, and in particular to a kind of hydraulic power unit.
Background technique
Hydraulic pump is the dynamical element of hydraulic system, is that oil is sucked from hydraulic oil container by engine or motor drive
Liquid forms pressure oil discharge, is sent to a kind of element of executive component.Hydraulic pump is divided into gear pump, plunger pump, vane pump by structure
And screw pump, the working principle of hydraulic pump is the variation that movement brings pump chamber, so that compression fluid makes fluid have pressure
Energy.With the fast development of modern hydraulic technology, power is provided with hydraulic power unit, every field is widely applied.
Utility model content
The purpose of this utility model is to provide a kind of structures simply, can control the hydraulic of multiple hydraulic actuators simultaneously
Pumping plant.
To achieve the above object, the utility model provides the following technical solutions:
A kind of hydraulic power unit, including shell, fuel tank, motor, gear pump, valve platform, it is characterised in that: be equipped in the shell
Fuel tank, the top of the shell are equipped with motor, and the output shaft of motor is extended downwardly into shell and connected by shaft coupling with teeth
Wheel pump, the input terminal of the gear pump are connect with the oil absorption filter being located in fuel tank, and output end passes through check valve and valve platform
The connection of pressure oil inlet, the oil return opening of the valve platform and the oil return pipe of fuel tank connect, and the valve platform is adjusted equipped with hydraulic pressure
Portion and multiple hydraulic actuator control units, the hydraulic pressure adjustment portion include overflow valve and two-position four-way electromagnetic switch
Valve, the import of the overflow valve and the pressure oil port of two-position four-way solenoid directional control valve pass through the pressure of same pipeline and valve platform respectively
Oil inlet connection, the outlet of the overflow valve and the oil return opening of two-position four-way solenoid directional control valve pass through same pipeline and valve platform respectively
Oil return opening connection, the hydraulic actuator control unit includes three-position four-way electromagnetic directional valve and one-way throttle valve, described three
The pressure oil port and oil return opening of position four-way electromagnetic reversing valve are connect with the pressure oil inlet and oil return opening of valve platform respectively, two work
Make the import that one-way throttle valve is connected separately on hydraulic fluid port, the outlet of two one-way throttle valves respectively with corresponding work on valve platform
Hydraulic fluid port connection.
Further, the fuel tank is equipped with oil filler, is equipped with air filter on oil filler.
Further, the top four corners of the shell are equipped with hanging ring.
Further, the outer side of the fuel tank is equipped with liquidometer.
Further, the pressure oil inlet front end of the valve platform is equipped with pressure gauge.
The beneficial effects of the utility model are: the utility model structure is simple, multiple hydraulic actuators can be controlled simultaneously,
And it is easy to operate, by valve group by Integration Design, make compact-sized, the pressure loss is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the hydraulic schematic diagram of the utility model.
Specific embodiment
In order to make technological means of the utility model, below with reference to being specifically illustrating, the utility model is further described.
As shown in Figs. 1-2, a kind of hydraulic power unit of the utility model, including shell 1, fuel tank 2, motor 3, gear pump 4, valve
Platform 7, the shell 1 is interior to be equipped with fuel tank 2, and the top of the shell 1 is equipped with motor 3, and the output shaft of motor 3 extends downwardly into shell
It is connected with gear pump 4 in 1 and by shaft coupling, the input terminal of the gear pump 4 connects with the oil absorption filter 5 being located in fuel tank 2
It connects, output end is connect by check valve 6 with the pressure oil inlet P of valve platform 7, the oil return inlet T of the valve platform 7 and the oil return of fuel tank 2
Pipe 10 connects, and the valve platform 7 is equipped with hydraulic pressure adjustment portion 8 and multiple hydraulic actuator control units 9, the hydraulic pressure
Power adjustment portion 8 includes overflow valve 81 and two-position four-way solenoid directional control valve 82, the import of the overflow valve 81 and two-position four-way electromagnetism
The pressure oil port of reversal valve 82 is connect by same pipeline with the pressure oil inlet P of valve platform 7 respectively, the outlet of the overflow valve 81
It is connect respectively by same pipeline with the oil return inlet T of valve platform 7 with the oil return opening of two-position four-way solenoid directional control valve 82, it is described hydraulic to hold
Units control unit 9 includes three-position four-way electromagnetic directional valve 91 and one-way throttle valve 92,93, the three-position four-way electromagnetic directional valve
91 pressure oil port and oil return opening is connect with the pressure oil inlet P and oil return inlet T of valve platform 7 respectively, is divided on two actuator port
It is not connected with the import of one-way throttle valve 92 and 93, the outlet of two one-way throttle valves 92 and 93 is corresponding on valve platform 7 respectively
Actuator port connection.
The fuel tank 2 is equipped with oil filler, and air filter 11 is equipped on oil filler, keeps 2 internal and external pressure balance of fuel tank；
The top four corners of shell 1 are equipped with hanging ring 14, facilitate carrying；The outer side of the fuel tank 2 is equipped with liquidometer 12, convenient for intuitively
Check 2 inside oil mass of fuel tank；The pressure oil inlet P front end of the valve platform 7 is equipped with pressure gauge 13, can intuitively observe valve platform
Input pressure at 7 pressure oil port P.
The preferred embodiment of only the utility model is described in detail above, the scope of the utility model cannot be limited with this.
Equivalent changes and modifications made by i.e. all foundation present utility model application the scope of the patents, all should belong to the utility model patent culvert
Within the scope of lid.
Claims (5)
1. a kind of hydraulic power unit, including shell, fuel tank, motor, gear pump, valve platform, it is characterised in that: be equipped with oil in the shell
Case, the top of the shell are equipped with motor, and the output shaft of motor extends downwardly into shell and is connected with gear by shaft coupling
Pump, the input terminal of the gear pump are connect with the oil absorption filter being located in fuel tank, and output end passes through the pressure of check valve and valve platform
The connection of power oil inlet, the oil return opening of the valve platform and the oil return pipe of fuel tank connect, and the valve platform is equipped with hydraulic pressure adjustment portion
And multiple hydraulic actuator control units, the hydraulic pressure adjustment portion include overflow valve and two-position four-way solenoid directional control valve,
The pressure oil port of the import of the overflow valve and two-position four-way solenoid directional control valve respectively by the pressure of same pipeline and valve platform into
Hydraulic fluid port connection, the outlet of the overflow valve and the oil return opening of two-position four-way solenoid directional control valve pass through same pipeline and valve platform respectively
Oil return opening connection, the hydraulic actuator control unit includes three-position four-way electromagnetic directional valve and one-way throttle valve, and described three
The pressure oil port and oil return opening of four-way electromagnetic reversing valve are connect with the pressure oil inlet and oil return opening of valve platform respectively, two work
Be connected separately with the import of one-way throttle valve on hydraulic fluid port, the outlet of two one-way throttle valves respectively with corresponding working oil on valve platform
Mouth connection.
2. a kind of hydraulic power unit according to claim 1, it is characterised in that: the fuel tank is equipped with oil filler, refuels
Air filter is installed on mouthful.
3. a kind of hydraulic power unit according to claim 1, it is characterised in that: the top four corners of the shell, which are equipped with, hangs
Ring.
4. a kind of hydraulic power unit according to claim 1, it is characterised in that: the outer side of the fuel tank is equipped with liquidometer.
5. a kind of hydraulic power unit according to claim 1, it is characterised in that: install the pressure oil inlet front end of the valve platform
There is pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797974.7U CN209115450U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797974.7U CN209115450U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115450U true CN209115450U (en) | 2019-07-16 |
Family
ID=67203604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821797974.7U Expired - Fee Related CN209115450U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469511A (en) * | 2019-09-12 | 2019-11-19 | 中国船舶重工集团公司第七0四研究所 | The big transformation of constant flow adjusts centrifugal pump group |
| CN115285901A (en) * | 2022-06-28 | 2022-11-04 | 中国一冶集团有限公司 | Multifunctional integrated system for assisting in mounting and dismounting crawler crane and use method |
-
2018
- 2018-11-02 CN CN201821797974.7U patent/CN209115450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469511A (en) * | 2019-09-12 | 2019-11-19 | 中国船舶重工集团公司第七0四研究所 | The big transformation of constant flow adjusts centrifugal pump group |
| CN115285901A (en) * | 2022-06-28 | 2022-11-04 | 中国一冶集团有限公司 | Multifunctional integrated system for assisting in mounting and dismounting crawler crane and use method |
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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 |
Granted publication date: 20190716 Termination date: 20211102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |