CN216157983U

CN216157983U - Movable hydraulic station for test bed

Info

Publication number: CN216157983U
Application number: CN202122114105.8U
Authority: CN
Inventors: 侯广猛; 杨佳; 刘萍萍
Original assignee: Xuzhou XCMG Drivetrain Co Ltd
Current assignee: Xuzhou XCMG Drivetrain Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-01
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of hydraulic stations and discloses a movable hydraulic station for a test bed, which comprises an oil tank, an oil outlet pipe and an oil return pipe, wherein the bottom ends of the oil outlet pipe and the oil return pipe are fixedly communicated with the inside of the oil tank, a main pump positioned in the oil tank is arranged at one end of the oil outlet pipe, a one-way valve positioned above the main pump is arranged at one end of the oil outlet pipe, filters are fixedly arranged at one ends of the oil outlet pipe and the oil return pipe, and the filter positioned in the oil outlet pipe is positioned above the one-way valve. This hydraulic pressure station for test bench, its simple structure, part figure is less, and oil-out flow and pressure control range are big simultaneously, satisfy the experimental demand of the multiple type model machine of many varieties, and this hydraulic pressure spare has adopted the filter of pressure differential warning, can in time remind the change to the filter, the effectual cleanliness that has promoted fluid, and the oil return oil circuit of this hydraulic pressure spare is provided with the radiator in addition, has promoted the reliability of hydraulic pressure station oil circuit.

Description

Movable hydraulic station for test bed

Technical Field

The utility model relates to the technical field of hydraulic stations, in particular to a movable hydraulic station for a test bed.

Background

The hydraulic station is a hydraulic source device including a hydraulic pump, a driving motor, a tank, a directional valve, a throttle valve, a relief valve, and the like, or a hydraulic device including a control valve. The oil supply is carried out according to the flow direction, pressure and flow quantity required by the driving device, the hydraulic system is suitable for various machines with the driving device separated from a hydraulic station, and the hydraulic station is connected with the driving device (an oil cylinder or a motor) through an oil pipe, so that various specified actions can be realized by the hydraulic system.

At present, a hydraulic station is common equipment in a laboratory, is mainly used for providing circulating oil for test pieces such as a torque converter, a gearbox or a speed reducer, is small in lubricating oil flow and pressure adjusting range provided by common hydraulic pieces, cannot meet test requirements of various sample machines, and is long-term equipment, so that the test efficiency is greatly influenced by the convenience of maintenance, particularly the replacement of a filter. In the long-time use process of the hydraulic station, the temperature of oil in the hydraulic station is easy to rise too fast, and an external heat dissipation device is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the movable hydraulic station for the test bed, which has the advantage of higher reliability and solves the problems in the background technology.

The utility model provides the following technical scheme: the utility model provides a movable hydraulic pressure station for test bench, includes the oil tank and goes out oil pipe and return oil pipe, go out oil pipe and return oil pipe's bottom all with the inside fixed intercommunication of oil tank, the main pump that is located the oil tank inside is installed to the one end that goes out oil pipe, the check valve that is located the main pump top is installed to the one end that goes out oil pipe, the one end that goes out oil pipe and the equal fixed mounting of one end that returns oil pipe have the filter, are located oil pipe the filter is located the top of check valve, the automatically controlled choke valve that is located the filter top is installed to the one end that goes out oil pipe, the terminal difference fixed mounting that goes out oil pipe has pressure sensor and the flow sensor who is located automatically controlled choke valve top.

Preferably, the number of the flow sensors is two, and the other flow sensor is located at an oil return opening of the oil return pipe and located below the flow sensor of the oil return pipe, wherein the filter of the oil return pipe is installed on the oil return pipe.

Preferably, the tail end of the oil return pipe is fixedly communicated with a radiator positioned below the filter, the radiator is used for water cooling, and the filter is provided with a pressure alarm device.

Preferably, the lateral surface fixed mounting of oil tank has the cabinet body, the top fixed mounting of oil tank has inverter motor, inverter motor's output and the input electric connection of main pump.

Preferably, an overflow valve is installed inside the oil tank, and an instrument located on the outer side surface of the oil tank is fixedly installed at the output end of the overflow valve.

Preferably, the front face of the cabinet body is movably provided with an extension plate, the top end of the extension plate is fixedly connected with the bottom end of the radiator, and the radiator is not contacted with the oil tank.

Compared with the prior art, the utility model has the following beneficial effects:

this hydraulic pressure station for test bench, its simple structure, part figure is less, and oil-out flow and pressure control range are big simultaneously, satisfy the experimental demand of the multiple type model machine of many varieties, and this hydraulic pressure spare has adopted the filter of pressure differential warning, can in time remind the change to the filter, the effectual cleanliness that has promoted fluid, and the oil return oil circuit of this hydraulic pressure spare is provided with the radiator in addition, has promoted the reliability of hydraulic pressure station oil circuit.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a schematic diagram of the principle of the present invention.

In the figure: 1. an oil tank; 2. an oil outlet pipe; 3. an oil return pipe; 4. a main pump; 5. a variable frequency motor; 6. a one-way valve; 7. a filter; 8. an electrically controlled throttle valve; 9. a pressure sensor; 10. a flow sensor; 11. a heat sink; 12. an overflow valve; 13. a meter; 14. a cabinet body; 15. an extension board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and fig. 2, a movable hydraulic station for a test bed comprises an oil tank 1, an oil outlet pipe 2 and an oil return pipe 3, wherein the bottom ends of the oil outlet pipe 2 and the oil return pipe 3 are fixedly communicated with the inside of the oil tank 1, one end of the oil outlet pipe 2 is provided with a main pump 4 positioned inside the oil tank 1, one end of the oil outlet pipe 2 is provided with a one-way valve 6 positioned above the main pump 4, one end of the oil outlet pipe 2 and one end of the oil return pipe 3 are both fixedly provided with a filter 7, the filter 7 positioned on the oil outlet pipe 2 is positioned above the one-way valve 6, one end of the oil outlet pipe 2 is provided with an electrically controlled throttle valve 8 positioned above the filter 7, the tail end of the oil outlet pipe 2 is respectively and fixedly provided with a pressure sensor 9 and a flow sensor 10 positioned above the electrically controlled throttle valve 8, the number of the flow sensors 10 is two, the other flow sensor 10 is positioned at the oil return port of the oil return pipe 3, the filter 7 positioned below the flow sensor 10 positioned on the oil return pipe 3, the tail end of the oil return pipe 3 is fixedly communicated with a radiator 11 positioned below the filter 7, the radiator 11 is used for water cooling, the filter 7 is provided with a pressure alarm device, the electric control throttle valve 8 is used for adjusting the outlet flow and the outlet pressure of the hydraulic station, the outlet flow and the outlet pressure are displayed in real time through a pressure sensor 9 and a flow sensor 10 which are provided with the oil outlet pipe 2, the linear adjustment of the flow in a large range is realized by adopting a mode of 'a variable frequency motor 5+ a main pump 4+ the electric control throttle valve 8', wherein the flow is initially adjusted by adopting the variable frequency motor 5 when the flow change is large, and the flow is adjusted by adopting a proportional throttle valve when the flow change is small; still set up the filter 7 of taking the pressure differential warning in the oil pipe, because of the filter core jam of filter 7, when leading to the pressure differential of importing and exporting too big, the pressure differential is reported to the police and is given test operation platform, and pressure sensor 9 and flow sensor 10 set up at the oil-out for the required flow of real-time supervision testpieces and pressure carry out flow and pressure control through monitoring data, and temperature sensor is still installed to oil tank 1 inside, is used for real-time display fluid temperature.

As shown in fig. 2, a cabinet 14 is fixedly mounted on the outer side surface of an oil tank 1, a variable frequency motor 5 is fixedly mounted on the top end of the oil tank 1, the output end of the variable frequency motor 5 is electrically connected with the input end of a main pump 4, an overflow valve 12 is mounted inside the oil tank 1, an instrument 13 located on the outer side surface of the oil tank 1 is fixedly mounted on the output end of the overflow valve 12, an oil return pipe 3 is provided with a flow sensor 10, a filter 7 and a radiator 11, the flow sensor 10 is used for monitoring oil return flow in real time, the filter 7 mainly guarantees the cleanliness of oil in the oil tank 1, the filter 7 is provided with a pressure difference alarm, and when the pressure difference of an inlet and an outlet is too large due to the blockage of a filter element of the filter 7, the pressure difference alarm is given to a test console.

As shown in fig. 1, the front surface of the cabinet body 14 is movably provided with an extension plate 15, the top end of the extension plate 15 is fixedly connected with the bottom end of the radiator 11, the radiator 11 is not in contact with the oil tank 1, the radiator 11 is independent of the oil tank 1, the excellent heat dissipation capability of the radiator is guaranteed, the oil tank 1 is not affected, the hydraulic station is provided with an independent control cabinet, the side surface of the oil station is arranged on the control cabinet, and the control cabinet can control the start and stop of an oil pump, set the required flow and pressure, and display the flow, pressure and oil temperature of an actual pipeline.

The working principle is as follows: this hydraulic pressure station for test bench is when using, oil tank 1 is used for storing fluid, be provided with main pump 4 on play oil pipe 2, main pump 4 provides power through inverter motor 5, inverter motor 5 and the combination of 4 dynamic systems that form the hydraulic part of main pump, provide power for the fluid circulation, fluid passes through main pump 4 and inhales oil, pass through check valve 6 in proper order, filter 7 enters into automatically controlled choke valve 8, automatically controlled choke valve 8 is used for adjusting the export flow and the exit pressure of hydraulic pressure station, export flow and exit pressure are through setting up pressure sensor 9 and the flow sensor 10 real-time display at play oil pipe 2, the fluid work back loop through return oil pipe 3's flow sensor 10, filter 7 and radiator 11 flow back to oil tank 1 can.

It should be noted that, in the present context, the test stand uses hydraulic stations, and relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a movable hydraulic pressure station for test bench, includes oil tank (1) and goes out oil pipe (2) and return oil pipe (3), its characterized in that: go out oil pipe (2) and return the bottom of oil pipe (3) all with the inside fixed intercommunication of oil tank (1), the one end of going out oil pipe (2) is installed and is located inside main pump (4) of oil tank (1), check valve (6) that are located main pump (4) top are installed to the one end of going out oil pipe (2), the one end of going out oil pipe (2) and the equal fixed mounting of the one end of returning oil pipe (3) have filter (7), are located oil pipe (2) filter (7) are located the top of check valve (6), automatically controlled choke valve (8) that are located filter (7) top are installed to the one end of going out oil pipe (2), the end of going out oil pipe (2) is fixed mounting respectively has pressure sensor (9) and flow sensor (10) that are located automatically controlled choke valve (8) top.

2. The movable hydraulic station for the test bed according to claim 1, characterized in that: the number of the flow sensors (10) is two, the other flow sensor (10) is positioned at an oil return opening of the oil return pipe (3), and the filter (7) positioned on the oil return pipe (3) is arranged below the flow sensor (10) arranged on the oil return pipe (3).

3. The movable hydraulic station for the test bed according to claim 1, characterized in that: the tail end of the oil return pipe (3) is fixedly communicated with a radiator (11) positioned below the filter (7), the radiator (11) is cooled by water, and the filter (7) is provided with a pressure alarm device.

4. The movable hydraulic station for the test bed according to claim 1, characterized in that: the utility model discloses a variable frequency electric pump, including oil tank (1), the lateral surface fixed mounting of oil tank (1) has the cabinet body (14), the top fixed mounting of oil tank (1) has inverter motor (5), the output of inverter motor (5) and the input electric connection of main pump (4).

5. The movable hydraulic station for the test bed according to claim 1, characterized in that: an overflow valve (12) is installed inside the oil tank (1), and an instrument (13) located on the outer side face of the oil tank (1) is fixedly installed at the output end of the overflow valve (12).

6. The movable hydraulic station for the test bed according to claim 4, characterized in that: the front face of the cabinet body (14) is movably provided with an extension plate (15), the top end of the extension plate (15) is fixedly connected with the bottom end of the radiator (11), and the radiator (11) is not in contact with the oil tank (1).