CN201437803U - Electro-hydraulic power pump station of drive hydraulic actuator - Google Patents
Electro-hydraulic power pump station of drive hydraulic actuator Download PDFInfo
- Publication number
- CN201437803U CN201437803U CN2009200725975U CN200920072597U CN201437803U CN 201437803 U CN201437803 U CN 201437803U CN 2009200725975 U CN2009200725975 U CN 2009200725975U CN 200920072597 U CN200920072597 U CN 200920072597U CN 201437803 U CN201437803 U CN 201437803U
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- Prior art keywords
- hydraulic
- oil
- hydraulic actuator
- pilot operated
- operated check
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- Expired - Lifetime
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Abstract
The utility model discloses an electro-hydraulic power pump station of a drive hydraulic actuator, which comprises two pipe connectors, an oil tank, a gear pump, a motor, a pressure switch, a flow switch, two relief valves, two hydraulic control one-way valves and two one-way valves; the motor is connected with the gear pump; the two oil ports of the gear pump are respectively connected with the oil outlets of the one-way valves; the oil inlets of the one-way valves are connected with the oil tank; the oil inlet ports of the two hydraulic control one-way valves are respectively connected with the two oil ports of the gear pump, wherein the oil outlet of one hydraulic control one-way valve is connected with one pipe connector, and the oil outlet of the other hydraulic control one-way valve is serially connected with the pressure switch and the flow switch, and then connected with the other pipe connector; the hydraulic control ends of the two hydraulic control one-way valves are respectively connected with the oil inlet of the other hydraulic control one-way valve; the relief valves are connected with the oil outlets of the two hydraulic control one-way valves, and relieve the flow to the oil tank; and the two pipe connectors are connected with the on and the off oil ports of the hydraulic actuator. The pump station can be directly arranged near the hydraulic actuator and be integrated with the hydraulic actuator, thereby preventing the defect of the connection of too many pipelines, and ensuring the normal work of the hydraulic actuator.
Description
Technical field
The utility model relates to a kind of electrolyte type hydraulic power pumping plant that drives hydraulic actuator.
Background technique
Hydraulic system is to provide power source with motor, make oil hydraulic pump that mechanical energy is converted into pressure and promote hydraulic oil, by various valves control hydraulic oil flows to, thereby promote the action that oil hydraulic cylinder is made different strokes, different direction, finish the different action needs of various device.
Mainly contain dynamical element, executive component, control unit, auxiliary element etc. in the hydraulic system.
Wherein dynamical element is the parts that produce power for hydraulic system, mainly comprises various oil hydraulic pumps.
Executive component is to be used for carrying out the device that the hydraulic pressure that oil hydraulic pump is provided can be transformed into mechanical energy, mainly comprises oil hydraulic cylinder and oil hydraulic motor etc.Oil hydraulic motor is opposite with hydraulic pump works, and oil hydraulic motor is that the transformation of energy with hydraulic pressure is a mechanical energy, thus externally acting.
Direction, the height of pressure and the control that the size of flow is expected that the controlling liquid that is used for control unit flows are to satisfy specific job requirement.Exactly because the flexibility of control unit makes hydraulic system can finish different demands.
Except above-mentioned element, hydraulic system also needs auxiliary element.These elements comprise pipeline and pipe joint, fuel tank, filter, gas-collecting device and seal arrangement etc.By each above device, just can set up hydraulic system.So-called hydraulic system is exactly the control corresponding loop that constitutes by various hydraulic element.
Usually in hydraulic system, hydraulic actuator " is opened it " or " closing " by pressure oil.Pressure oil is normally provided by hydraulic hand-pump or large-scale hydraulic power unit.Need to adopt pipeline to link to each other between hydraulic actuator and hand-hydraulic pumping plant or the large-scale hydraulic power unit, especially when distance is far away, hydraulic tubes that connect in the middle of both and the piping attachment that matches will increase, thereby fault such as pressure oil leakage can occur, cause the hydraulic actuator action malfunctioning.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of electrolyte type hydraulic power pumping plant that drives hydraulic actuator, this power pumping plant can directly connect and drive the hydraulic actuator action, can be installed near the hydraulic actuator nearby or be directly installed on the hydraulic actuator, the defective of having avoided too much pipeline to connect has guaranteed the normal operation of hydraulic system.
For solving the problems of the technologies described above, the electrolyte type hydraulic power pumping plant that the utility model drives hydraulic actuator comprises Power Component, indicating device, valve block assembly, two pipe joints;
Wherein: Power Component comprises fuel tank, gear pump and motor; Indicating device comprises pressure switch and flow switch; The valve block assembly comprises two relief valves, two Pilot operated check valves and two one-way valves; Described gear pump connects described machine shaft by coupling, two hydraulic fluid ports of described gear pump connect the oil outlet of described two one-way valves respectively, the filler opening of described two one-way valves connects described fuel tank by pipeline, the filler opening of described two Pilot operated check valves connects two hydraulic fluid ports of described gear pump respectively, the oil outlet of a described Pilot operated check valve connects a pipe joint, the oil outlet of described another Pilot operated check valve is connected and is connected another pipe joint behind described pressure switch and the flow switch, the hydraulic control end of described two Pilot operated check valves connects the filler opening of another Pilot operated check valve respectively, the filler opening of described two relief valves connects the oil outlet of two Pilot operated check valves respectively, and the oil outlet of described two relief valves connects described fuel tank by pipeline respectively;
Described two pipe joints connect " opening " and " pass " hydraulic fluid port of hydraulic actuator respectively.
This power pumping plant also comprises connection valve piece and two gas-collecting devices, above-mentioned Power Component, indicating device and valve block assembly are located at described the connection on the valve piece, and described two gas-collecting devices are respectively equipped with described pipe joint and connect the oil outlet of a Pilot operated check valve and an end of described flow switch respectively.
Above-mentioned pressure switch can adopt to be threaded and be installed on the described connection valve piece.
Above-mentioned flow switch can adopt board-like being connected and installed on the described connection valve piece.
Because the utility model drives the electrolyte type hydraulic power pumping plant of hydraulic actuator and has adopted technique scheme, promptly by the motor driven gear pump as Power Component, form the valve block assembly by relief valve, Pilot operated check valve and one-way valve, form indicating device by pressure switch and flow switch; Two pipe joints of this power pumping plant directly connect " opening " " pass " hydraulic fluid port of hydraulic actuator to drive the action of hydraulic actuator; This power pumping plant can directly connect the action of driving hydraulic actuator, and the defective of having avoided too much pipeline to connect has guaranteed the hydraulic actuator accuracy of action.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the catenation principle figure of the electrolyte type hydraulic power pumping plant of the utility model driving hydraulic actuator,
Fig. 2 is the profile schematic representation of the electrolyte type hydraulic power pumping plant of the utility model driving hydraulic actuator,
Fig. 3 is the plan view of Fig. 2,
Fig. 4 is the side view of Fig. 2.
Embodiment
As shown in Figure 1, the electrolyte type hydraulic power pumping plant of the utility model driving hydraulic actuator comprises Power Component, indicating device, valve block assembly, two pipe joints 9;
Wherein: Power Component comprises fuel tank 8, gear pump 2 and motor 1; Indicating device comprises pressure switch 4 and flow switch 3; The valve block assembly comprises two relief valves 7, two Pilot operated check valves 5 and two one-way valves 6; Described gear pump 2 connects described motor 1 rotating shaft by coupling, two hydraulic fluid ports of described gear pump 2 connect the oil outlet of described two one-way valves 6 respectively, the filler opening of described two one-way valves 6 connects described fuel tank 8 by pipeline, the filler opening of described two Pilot operated check valves 5 connects two hydraulic fluid ports of described gear pump 2 respectively, the oil outlet of a described Pilot operated check valve connects a pipe joint, the oil outlet of described another Pilot operated check valve is connected and is connected another pipe joint behind described pressure switch 4 and the flow switch 3, the hydraulic control end of described two Pilot operated check valves 5 connects the filler opening of another Pilot operated check valve respectively, the filler opening of described two relief valves 7 connects the oil outlet of two Pilot operated check valves 5 respectively, and the oil outlet of described two relief valves 7 connects described fuel tank 8 by pipeline respectively;
Described two pipe joints 9 connect " opening " and " pass " hydraulic fluid port of hydraulic actuator 10 respectively.
Extremely shown in Figure 4 as Fig. 2, this power pumping plant also comprises connection valve piece 11 and two gas-collecting devices 12, the motor 1 of above-mentioned Power Component, gear pump 2 and fuel tank 8, the pressure switch 4 of indicating device is located at described the connection on the valve piece 11 with flow switch 3, the valve block assembly is located at and is connected in the valve piece, and described two gas-collecting devices 12 are respectively equipped with described pipe joint 9 and connect the oil outlet of a Pilot operated check valve and an end of described flow switch respectively.Set gas-collecting device is used to be collected in unnecessary air in the hydraulic pipe line, to guarantee the normal operation of hydraulic system.
Above-mentioned pressure switch 4 can adopt to be threaded and be installed on the described connection valve piece 11.
Above-mentioned flow switch 3 can adopt board-like being connected and installed on the described connection valve piece 11.
This power pumping plant fuel tank is used for to the gear pump supply hydraulic fluid, and gear pump provides power by motor, and gear pump is delivered to hydraulic actuator by the valve block assembly with the hydraulic oil in the fuel tank and controlled the hydraulic actuator action; Pressure switch, flow switch are used to monitor pressure and the flow in the pipeline, are equipped with control corresponding and indication alarm element, can show or warn the open and close state of hydraulic actuator; Two Pilot operated check valves in this power pumping plant, when this power pumping plant was not worked, these two Pilot operated check valves were used for the pressure oil in the pipeline is locked in pipeline, prevented that hydraulic oil is back to fuel tank and causes controlled hydraulic actuator misoperation.
This power pumping plant is provided with two hydraulic fluid ports, be used to be connected to two hydraulic fluid ports of hydraulic actuator, when the fuel-displaced direction of two hydraulic fluid ports of this power pumping plant changed, the direction of action of hydraulic actuator also changed, so this power pumping plant is applicable to double-acting hydraulic actuator.
The working principle of this power pumping plant is, when motor turns clockwise, the driven gear pump also turns clockwise, at this moment hydraulic oil flows out from a pipe joint through gear pump, Pilot operated check valve, flow to " pass " interface of hydraulic actuator through external pipeline, thereby make hydraulic actuator do " pass " action.
On the contrary, when motor is rotated counterclockwise, the driven gear pump also is rotated counterclockwise, and at this moment hydraulic oil flows out from another pipe joint through gear pump, Pilot operated check valve, flow to " opening " interface of hydraulic actuator through external pipeline, thereby make hydraulic actuator do " opening " action.
The utility model has adopted motor, fuel tank, gear pump, valve block assembly and other annex to integrate to be arranged at one and has been connected on the valve piece, make it reach microminiaturization and integration, constitute the hydraulic power unit of a small-sized integral type, no matter the double-action hydraulic actuator is installed in any position, all this this power pumping plant can be installed in regard near position so that safeguard and the minimizing installation cost; Compared with using traditional large hydraulic power pumping plant, adopt this power pumping plant can save more hydraulic tubing.Also bring convenience for later maintenance.
Claims (4)
1. electrolyte type hydraulic power pumping plant that drives hydraulic actuator, it is characterized in that: this power pumping plant comprises Power Component, indicating device, valve block assembly, two pipe joints;
Wherein: Power Component comprises fuel tank, gear pump and motor; Indicating device comprises pressure switch and flow switch; The valve block assembly comprises two relief valves, two Pilot operated check valves and two one-way valves; Described gear pump connects described machine shaft by coupling, two hydraulic fluid ports of described gear pump connect the oil outlet of described two one-way valves respectively, the filler opening of described two one-way valves connects described fuel tank by pipeline, the filler opening of described two Pilot operated check valves connects two hydraulic fluid ports of described gear pump respectively, the oil outlet of a described Pilot operated check valve connects a pipe joint, the oil outlet of described another Pilot operated check valve is connected and is connected another pipe joint behind described pressure switch and the flow switch, the hydraulic control end of described two Pilot operated check valves connects the filler opening of another Pilot operated check valve respectively, the filler opening of described two relief valves connects the oil outlet of two Pilot operated check valves respectively, and the oil outlet of described two relief valves connects described fuel tank by pipeline respectively;
Described two pipe joints connect " opening " and " pass " hydraulic fluid port of hydraulic actuator respectively.
2. the electrolyte type hydraulic power pumping plant of driving hydraulic actuator according to claim 1, it is characterized in that: this power pumping plant also comprises connection valve piece and two gas-collecting devices, described Power Component, indicating device and valve block assembly are located at described the connection on the valve piece, and described two gas-collecting devices are respectively equipped with described pipe joint and connect the oil outlet of a Pilot operated check valve and an end of described flow switch respectively.
3. the electrolyte type hydraulic power pumping plant of driving hydraulic actuator according to claim 1 is characterized in that: described pressure switch adopts to be threaded and is installed on the described connection valve piece.
4. the electrolyte type hydraulic power pumping plant of driving hydraulic actuator according to claim 1 is characterized in that: described flow switch adopts board-like being connected and installed on the described connection valve piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200725975U CN201437803U (en) | 2009-05-20 | 2009-05-20 | Electro-hydraulic power pump station of drive hydraulic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200725975U CN201437803U (en) | 2009-05-20 | 2009-05-20 | Electro-hydraulic power pump station of drive hydraulic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437803U true CN201437803U (en) | 2010-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200725975U Expired - Lifetime CN201437803U (en) | 2009-05-20 | 2009-05-20 | Electro-hydraulic power pump station of drive hydraulic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072623A (en) * | 2012-11-17 | 2013-05-01 | 深圳市德塔电动汽车科技有限公司 | Braking and steering system of anti-explosion electric trackless rubber-tyred vehicle |
| CN106640813A (en) * | 2016-12-13 | 2017-05-10 | 上海围簇自动化技术有限公司 | Portable gas-liquid hybrid power unit |
-
2009
- 2009-05-20 CN CN2009200725975U patent/CN201437803U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072623A (en) * | 2012-11-17 | 2013-05-01 | 深圳市德塔电动汽车科技有限公司 | Braking and steering system of anti-explosion electric trackless rubber-tyred vehicle |
| CN106640813A (en) * | 2016-12-13 | 2017-05-10 | 上海围簇自动化技术有限公司 | Portable gas-liquid hybrid power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |