CN209959587U - Oil supply system applied to proportional valve and servo valve test bench - Google Patents
Oil supply system applied to proportional valve and servo valve test bench Download PDFInfo
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- CN209959587U CN209959587U CN201920555102.8U CN201920555102U CN209959587U CN 209959587 U CN209959587 U CN 209959587U CN 201920555102 U CN201920555102 U CN 201920555102U CN 209959587 U CN209959587 U CN 209959587U
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Abstract
The utility model relates to an oil supply system applied to a proportional valve and a servo valve test board, which comprises an oil tank, a control valve group and an energy accumulator, wherein the control valve group comprises an installation box, the bottom of the installation box is provided with a high-pressure filter, one side of the installation box is provided with a pump pressure oil pipe, the oil inlet end of the pump pressure oil pipe is connected with a pressure pump arranged in the oil tank, the oil outlet end of the pump pressure oil pipe is connected with the oil inlet end of an oil outlet pipe through the high-pressure filter, the other two ends of a tee joint are respectively connected with the energy accumulator pressure oil pipe and an oil supply pipe which are connected with the energy accumulator, one side of the installation box is provided with a pressure relief pipe which is connected with the oil tank, the other end of the pressure relief pipe is connected with a pressure relief port of the energy accumulator, the top of the oil tank is provided with an oil return pipe, the utility model combines the, the power of the motor is greatly reduced, and the problem of equipment noise is thoroughly solved.
Description
Technical Field
The utility model relates to an automatic change and detect technical field, concretely relates to be applied to oil feeding system of proportional valve and servo valve testboard.
Background
The hydraulic proportional valve and the servo valve are used as key elements for hydraulic automation and intellectualization, are more and more widely applied in the industrial field, and how to effectively and quickly test the proportional valve and the servo valve, how to save energy, improve the production efficiency and reduce the cost is particularly important and urgent.
The oil supply system of the traditional proportional valve and servo valve test bench mainly depends on a speed regulating motor and a pressure pump for supplying oil, and has the defects of serious energy consumption, high noise and serious heat generation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims at providing an oil feeding system who is applied to proportional valve and servo valve testboard combines the mode of fuel feeding through force pump and energy storage ware, reduces noise, power consumption and the generating heat of force pump.
The utility model aims at realizing through the following technical scheme: the oil tank is connected with the energy accumulator through the control valve group, the control valve group comprises an installation box, the installation box is fixedly arranged at one side edge of the oil tank, a high-pressure filter is arranged at the bottom of the installation box, a pump pressure oil pipe is arranged at one side of the installation box, the oil inlet end of the pump pressure oil pipe is connected with a pressure pump arranged in the oil tank, the oil outlet end of the pump pressure oil pipe is connected with the oil inlet end of an oil outlet pipe arranged at one side of the installation box through the high-pressure filter, the pressure pump is in driving connection with a speed regulating motor arranged at the top of the oil tank, the oil outlet end of the oil outlet pipe is provided with a tee joint, the other two ends of the tee joint are respectively connected with the energy accumulator pressure oil pipe and an oil supply pipe which are connected with the energy accumulator, one side of the installation box, which is close to the oil tank, is provided with a pressure release pipe connected with the oil, the top of oil tank is equipped with back oil pipe, it links to each other with the oil tank through back oil filter to return oil pipe.
In a preferred embodiment, an air cleaner is provided at the top of the tank.
In a preferred embodiment, the top of the tank is provided with a level thermometer.
In a preferred embodiment, the top of the installation box is provided with a pressure gauge connected with a pump pressure oil pipe.
In a preferred embodiment, the top of the installation box is provided with an overflow valve, the oil inlet end of the overflow valve is connected with the pump pressure oil pipe, and the oil outlet end of the overflow valve is connected with the pressure relief pipe.
In a preferred embodiment, the top of the installation box is provided with an electromagnetic valve, the oil inlet end of the electromagnetic valve is connected with the oil inlet end of the overflow valve, and the oil outlet end of the electromagnetic valve is connected with the pressure relief pipe.
In a preferred embodiment, the connection part of the accumulator and the accumulator pressure oil pipe and the pressure relief port are provided with on-off valves.
In a preferred embodiment, the pump pressure oil pipe is provided with a one-way valve.
The utility model has the advantages that: through the mode that force pump and energy storage ware combine the fuel feeding, the hydraulic oil in the test procedure is mostly provided by the energy storage ware, and motor power greatly reduced also obtains thoroughly solving equipment noise problem.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is an external structural view of an oil supply system applied to a test bench for a proportional valve and a servo valve according to an embodiment of the present invention;
fig. 2 is a top view of an oil supply system applied to a test bench for a proportional valve and a servo valve according to an embodiment of the present invention;
fig. 3 is a front view of an oil supply system applied to a test bench for a proportional valve and a servo valve according to an embodiment of the present invention;
fig. 4 is an internal structure diagram of a control valve group according to an embodiment of the present invention.
In the figure:
1. an oil tank; 2. an accumulator; 3. installing a box; 4. a speed-regulating motor; 5. a high pressure filter; 6. an overflow valve; 7. an electromagnetic valve; 8. a pressure gauge; 9. an oil return filter; 10. an oil return pipe; 11. an on-off valve; 12. a one-way valve; 13. a liquid level thermometer; 14. an air cleaner; 15. a pump pressure oil pipe; 16. a pressure relief pipe; 17. an oil outlet pipe; 18. a tee joint; 19. an accumulator pressure oil line; 20. an oil supply pipe; 21. a pressure relief port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1-4, the utility model discloses an be applied to oil feeding system of proportional valve and servo valve testboard for the performance of test proportional valve and servo valve, proportional valve and servo valve are hereinafter referred to as the valves of being tested collectively. Including oil tank 1, valve unit and energy storage ware 2, oil tank 1 links to each other with energy storage ware 2 through the valve unit, the valve unit includes install bin 3, and install bin 3 is the hollow box of cube for installation control valve and fixed pipeline, the fixed edge that sets up in oil tank 1 of install bin 3, the bottom of install bin 3 is equipped with high pressure filter 5, solid particle and colloidal substance in the high pressure filter 5 mainly used filtering working medium, the pollution degree of effective control working medium. One side of the mounting box 3 is provided with a pump pressure oil pipe 15, the oil inlet end of the pump pressure oil pipe 15 is connected with a pressure pump (not shown in the figure) arranged in the oil tank 1, the pressure pump is connected with a speed regulating motor 4 arranged on the top of the oil tank 1 in a driving way, the speed regulating motor 4 drives the pressure pump to work, oil is pumped out from the oil tank 1 and flows out from a pump pressure oil pipe 15, the oil outlet end of the pump pressure oil pipe 15 is connected with the oil inlet end of an oil outlet pipe 17 arranged on one side of the installation box 3 through a high-pressure filter 5, the oil outlet end of the oil outlet pipe 17 is provided with a tee joint 18, the other two ends of the tee joint 18 are respectively connected with an energy accumulator pressure oil pipe 19 and an oil supply pipe 20 which are connected with the energy accumulator, when the oil inlet of the tested valve group is closed, the oil inlet of the energy accumulator 2 is opened, and oil enters the energy accumulator pressure oil pipe 19 from the oil outlet pipe 17 through the tee joint 18 and then enters the energy accumulator 2 to store energy for the energy accumulator 2; normally, the accumulator 2 is closed, and the oil enters the oil supply pipe 20 after coming out of the oil outlet pipe 17 and then enters the tested valve bank; when the tested valve needs large flow rate high pressure oil, the oil outlet pipe 17 and the energy accumulator 2 supply oil to the tested valve group at the same time, namely the oil outlet pipe 17 and the energy accumulator pressure oil pipe 19 simultaneously discharge oil to enter the oil supply pipe 20 and then enter the tested valve group. One side that the install bin 3 is close to oil tank 1 is equipped with the pressure release pipe 16 that links to each other with oil tank 1, the other end of pressure release pipe 16 passes install bin 3 and links to each other with the pressure release mouth 21 of energy storage ware 2, be used for the pressure release of energy storage ware 2, oil in the energy storage ware 2 flows back to oil tank 1 through pressure release pipe 21, the top of oil tank 1 is equipped with back oil pipe 10, it links to each other with oil tank 1 through oil return filter 9 to return oil pipe 10, it is used for by the check valve group oil return to return oil pipe 10, oil return filter 9 is used for filtering the pollutant that produces or invade in the system before returning.
An air filter 14 is arranged at the top of the oil tank 1, the main components of the air filter 14 are a vent cap and an oiling filter screen, the vent cap is used for filtering gas and keeping the pressure in the oil tank 1 working at atmospheric pressure, and the oiling filter screen is used for ensuring the cleanness of oiling.
The top of the oil tank 1 is provided with a liquid level thermometer 13. The liquid level temperature meter 13 adopts high-strength engineering plastics and aluminum alloy materials, has the advantages of excellent assembling performance, firmness, crack prevention, shock resistance, high strength and the like, and is used for displaying liquid level and liquid temperature.
The top of install bin 3 is equipped with manometer 8 continuous with pump pressure oil pipe 15 for measure the pressure of pump pressure oil pipe 15 oil output.
The top of the installation box 3 is provided with an overflow valve 6, the oil inlet end of the overflow valve 6 is connected with a pump pressure oil pipe 15, and the oil outlet end is connected with a pressure relief pipe 16. The overflow valve 6 is a hydraulic pressure control valve, mainly plays the roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment, and when the pressure on the pump pressure oil pipe 15 is overlarge, oil flows from the overflow valve 6 to the pressure relief pipe 16 to ensure the pressure stabilization of the oil pipe; the top of install bin 3 is equipped with solenoid valve 7, and the oil feed end of solenoid valve 7 links to each other with the oil feed end of overflow valve 6, and the oil outlet end links to each other with pressure release pipe 16, and solenoid valve 7 plays the effect of relief valve, and when pressure on pump pressure oil pipe 15 was too big and can not accomplish the pressure release by overflow valve 6 alone, opens solenoid valve 7 simultaneously and lets out the oil.
And on-off valves 11 are arranged at the connection part of the energy accumulator 3 and the energy accumulator pressure oil pipe 19 and the pressure relief port 21 and are used for controlling the on-off of the energy accumulator pressure oil pipe 19 and the pressure relief port 21.
The pump pressure oil pipe 15 is provided with a one-way valve 12 to prevent the oil in the pump pressure oil pipe 15 from flowing back to the oil tank 1.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an oil feeding system for proportional valve and servo valve testboard which characterized in that: the oil tank is connected with the energy accumulator through the control valve group, the control valve group comprises an installation box, the installation box is fixedly arranged at one side edge of the oil tank, a high-pressure filter is arranged at the bottom of the installation box, a pump pressure oil pipe is arranged at one side of the installation box, the oil inlet end of the pump pressure oil pipe is connected with a pressure pump arranged in the oil tank, the oil outlet end of the pump pressure oil pipe is connected with the oil inlet end of an oil outlet pipe arranged at one side of the installation box through the high-pressure filter, the pressure pump is in driving connection with a speed regulating motor arranged at the top of the oil tank, the oil outlet end of the oil outlet pipe is provided with a tee joint, the other two ends of the tee joint are respectively connected with the energy accumulator pressure oil pipe and an oil supply pipe which are connected with the energy accumulator, one side of the installation box, which is close to the oil tank, is provided with a pressure release pipe connected with the oil, the top of oil tank is equipped with back oil pipe, it links to each other with the oil tank through back oil filter to return oil pipe.
2. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: and an air filter is arranged at the top of the oil tank.
3. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: and a liquid level thermometer is arranged at the top of the oil tank.
4. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: and a pressure gauge connected with a pump pressure oil pipe is arranged at the top of the mounting box.
5. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: the top of install bin is equipped with the overflow valve, the oil inlet end of overflow valve links to each other with pump pressure oil pipe, and the end that produces oil links to each other with the pressure release pipe.
6. The oil supply system applied to the proportional valve and servo valve test bench of claim 5, wherein: the top of install bin is equipped with the solenoid valve, the oil feed end of solenoid valve links to each other with the oil feed end of overflow valve, and the end that produces oil links to each other with the pressure release pipe.
7. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: and on-off valves are arranged at the joint of the energy accumulator and the pressure oil pipe of the energy accumulator and at the pressure relief port.
8. The oil supply system applied to the test bench of the proportional valve and the servo valve as claimed in claim 1, wherein: and a check valve is arranged on the pump pressure oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555102.8U CN209959587U (en) | 2019-04-23 | 2019-04-23 | Oil supply system applied to proportional valve and servo valve test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555102.8U CN209959587U (en) | 2019-04-23 | 2019-04-23 | Oil supply system applied to proportional valve and servo valve test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959587U true CN209959587U (en) | 2020-01-17 |
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ID=69243471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920555102.8U Active CN209959587U (en) | 2019-04-23 | 2019-04-23 | Oil supply system applied to proportional valve and servo valve test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959587U (en) |
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2019
- 2019-04-23 CN CN201920555102.8U patent/CN209959587U/en active Active
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