CN208153447U - A kind of hydraulic slip ring integrated experimental device - Google Patents

Abstract

The utility model discloses a hydraulic slip ring integrated experimental device, which comprises a fuel tank, a low-pressure test pipeline, a high-pressure test pipeline, an oil return pipeline, a hydraulic motor and a hydraulic slip ring. The front end of the low-pressure test pipeline is connected to the fuel tank, and the rear end Connect the hydraulic slip ring, the front end of the high-pressure test line is connected to the oil tank, the rear end is connected to the hydraulic slip ring, and the hydraulic motor is connected in parallel between the hydraulic slip ring and the input end of the rotary valve switch. Finally, it is connected to the check valve and unloading switch on the oil return pipeline. The front end of the oil return pipeline is connected with the low pressure test pipeline and the high pressure test pipeline respectively, and its rear end is connected with the fuel tank. The hydraulic slip ring integrated experimental device reduces the test space, reduces the test cost, is simple and convenient to operate, improves the test efficiency, and has high practicability.

Description

A hydraulic slip ring integrated experimental device

Technical field:

The utility model relates to an integrated experimental device for a hydraulic slip ring, and relates to the technical field of hydraulic slip ring testing.

Background technique:

At present, the tests on hydraulic slip rings mainly include pressure test and life test. Among them, the pressure test includes low pressure test (0-5MPa) and high pressure test (5-60MPa). The hydraulic slip ring is tested sequentially by using a low-pressure test bench, a high-pressure test bench and a life test bench respectively, resulting in a long test period, high test cost and complicated test operation.

Utility model content:

The technical problem to be solved by the utility model is to provide an experimental device capable of realizing the integrated test process of high and low pressure and life.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

An integrated experimental device for a hydraulic slip ring, including a fuel tank, a low-pressure test pipeline, a high-pressure test pipeline, an oil return pipeline, a hydraulic motor, and a hydraulic slip ring. The pipeline is connected to the low-pressure test valve switch, the low-pressure electric pump and the first pressure gauge. The front end of the low-pressure test pipeline is connected to the oil tank, and the rear end is connected to the hydraulic slip ring. A high-pressure test valve switch, a high-pressure electric pump, a second pressure gauge, and a rotary valve switch are connected by pipelines. The front end of the high-pressure test pipeline is connected to the oil tank, and the rear end is connected to the hydraulic slip ring. Between the input ends of the valve switch, the oil return pipeline includes an oil return pipeline, a check valve and an unloading switch connected to the oil return pipeline from front to back, and the low-pressure pipeline between the first pressure gauge and the hydraulic slip ring There is a first oil return port on the top, and there is a second oil return port on the high-pressure pipeline between the second pressure gauge and the rotary valve switch. The oil port is communicated, and its rear end is communicated with the fuel tank.

Preferably, a first overflow valve is connected in parallel between the output port of the low-pressure electric pump and the oil tank.

Preferably, a second overflow valve is connected in parallel between the output port of the high-pressure electric pump and the oil tank.

As a preference, an oil inlet filter is provided on the input end pipelines of the low pressure test valve switch and the high pressure test valve switch.

Preferably, an oil return filter is provided on the oil return pipeline connecting the unloading switch to the oil tank.

Compared with the prior art, the utility model is beneficial in that: the hydraulic slip ring integrated experimental device realizes the integrated test of pressure and life, and does not need to disassemble the hydraulic slip ring again and replace the testing equipment for secondary testing. The test space is reduced, the test cost is reduced, the operation is simple and convenient, and the test efficiency is improved, so the practicality and economic benefits are high, and it is suitable for popularization and application.

Description of drawings:

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a schematic diagram of the working principle of the utility model.

Detailed ways:

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative work all belong to the protection scope of the present utility model:

As shown in Figure 1, a hydraulic slip ring integrated experimental device includes a fuel tank 1, a low pressure test pipeline, a high pressure test pipeline, an oil return pipeline, a hydraulic motor 2 and a hydraulic slip ring 3.

The low-pressure test pipeline includes a low-pressure pipeline 4 and a low-pressure test valve switch 5, a low-pressure electric pump 6, and a first pressure gauge 7 that are sequentially connected through the low-pressure pipeline from front to back. The pump and the first pressure gauge are connected, and the front end of the low pressure test pipeline is connected to the fuel tank, and the rear end is connected to the hydraulic slip ring, that is, the pipeline end of the input end of the low pressure test valve switch is connected to the fuel tank, and the pipeline at the output end of the first pressure gauge is connected to the hydraulic pressure gauge. Slip ring, further, a first overflow valve 8 is connected in parallel between the output port of the low-pressure electric pump and the oil tank, and then the pressure value of the first pressure gauge can be conveniently controlled by adjusting the first overflow valve.

The high-pressure test pipeline includes a high-pressure pipeline and a high-pressure test valve switch 10, a high-pressure electric pump 11, a second pressure gauge 12, and a rotary valve switch 13 connected sequentially through the high-pressure pipeline 9 from front to back, and the high-pressure test valve is sequentially connected through the high-pressure pipeline 9. The valve switch, the high-pressure electric pump, the second pressure gauge and the rotary valve switch are connected together, and the front end of the high-pressure test pipeline is connected to the fuel tank, and the rear end is connected to the hydraulic slip ring, that is, the input pipe of the high-pressure test valve switch is connected to the fuel tank. The output end of the rotary valve switch is connected to the hydraulic slip ring, and the hydraulic motor is connected in parallel between the hydraulic slip ring and the input end of the rotary valve switch. Further, a second The overflow valve 14 is then adjusted to facilitate the pressure value of the second pressure gauge by adjusting the second overflow valve.

The oil return pipeline includes an oil return pipeline 15, a check valve 16 and an unloading switch 17 connected to the oil return pipeline from front to back, and a first Oil return port 18, there is a second oil return port 19 on the high-pressure pipeline between the second pressure gauge and the rotary valve switch, the front end pipeline of the oil return line is connected with the first oil return port and the second oil return port respectively The back end is connected to the oil tank, and the one-way valve of the check valve is to flow in one direction from the first oil return port or the second oil return port to the unloading switch, which plays the role of oil check. Further, the An oil return filter 20 is arranged on the oil return pipeline where the unload switch communicates with the oil tank.

In this embodiment, an oil inlet filter 21 is provided on the input pipes of the low pressure test valve switch and the high pressure test valve switch.

In practical application, the use method applied to the above-mentioned hydraulic slip ring integrated experimental device, including the testing process,

Low pressure and life test, firstly, open the low pressure test valve switch, at this time, other valves are closed, the low pressure test function of the hydraulic slip ring integrated test device starts to start, start the low pressure electric pump to pump the oil out of the oil tank The oil filter enters the first pressure gauge and the hydraulic slip ring. The first pressure gauge displays the pressure value at this time, which is generally controlled at 0-5MPa. The pressure can be adjusted by adjusting the first relief valve. At this time, through Detect the oil leakage of the hydraulic slip ring at low pressure to test its low-pressure performance, and then conduct a life test at the same time, first open the high-pressure test valve switch, close the rotary valve switch, start the high-pressure electric pump to pump the oil from the oil tank, the oil The hydraulic fluid directly enters the hydraulic motor, and the hydraulic slip ring is driven to rotate by the hydraulic motor. During the rotation of the hydraulic slip ring, the service life of the hydraulic slip ring is tested, and then the life test is completed. Therefore, the above process can be carried out at the same time. Low pressure, life test process Of course, a separate low-pressure test process is also possible. Finally, close the low-pressure test valve switch and high-pressure test valve switch, open the unload switch, and the oil will flow back to the oil tank through the one-way valve and the oil return filter. The test function is closed;

High pressure, life test, open the high pressure test valve switch and the rotary valve switch, the high pressure test function of the hydraulic slip ring integrated test device starts, the high pressure electric pump pumps the oil out of the oil tank, and the oil enters the second pressure through the oil inlet filter Gauge, hydraulic slip ring and hydraulic motor, the second pressure gauge shows the pressure value at this time, generally controlled at 5-60MPa, the pressure can be adjusted by adjusting the second relief valve, at this time, by detecting the hydraulic pressure at high pressure The oil leakage of the slip ring, and then test its application performance in a high-pressure environment. At this time, after the oil enters the hydraulic motor, the hydraulic motor will also drive the hydraulic slip ring to start rotating, and the life test will be carried out at the same time. Therefore, through the above process at the same time Realize the process of high pressure and life testing. Of course, a separate high pressure test process is also possible. Finally, close the valve switch of the high pressure test method, open the unloading switch, and the oil will flow back to the oil tank through the one-way valve and the oil return filter. The life test function is turned off;

Life test, open the low pressure test valve switch or high pressure test valve switch, the life test function of the hydraulic slip ring integrated test device starts, the low pressure electric pump or high pressure electric pump pumps the oil out of the oil tank, the oil enters the hydraulic motor, and the hydraulic motor Then the hydraulic slip ring is driven to start rotating, and a separate life test process can be realized. Finally, the low-pressure test valve switch or the high-pressure test valve switch is closed, and the oil returns to the oil tank through the oil return pipeline, and the life test function is closed.

The above-mentioned hydraulic slip ring integrated experimental device realizes the integrated test of pressure and life, does not need to disassemble the hydraulic slip ring again, replace the test equipment for secondary testing, reduces the test space, reduces the test cost, is simple and convenient to operate, improves the test efficiency, and is practical high sex.

It should be emphasized that: the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modification, equivalent change and Modifications still belong to the scope of the technical solution of the utility model.

Claims (5)

1. An integrated experimental device for hydraulic slip rings, characterized in that it includes a fuel tank, a low pressure test pipeline, a high pressure test pipeline, an oil return pipeline, a hydraulic motor and a hydraulic slip ring, and the low pressure test pipeline includes a low pressure pipeline and The low pressure test valve switch, the low pressure electric pump and the first pressure gauge are connected successively through the low pressure pipeline from front to back, the front end of the low pressure test pipeline is connected to the oil tank, and the rear end is connected to the hydraulic slip ring. The high pressure test pipeline includes high pressure pipeline and The high-pressure test valve switch, the high-pressure electric pump, the second pressure gauge and the rotary valve switch are connected sequentially through the high-pressure pipeline from front to back. The front end of the high-pressure test pipeline is connected to the oil tank, and the rear end is connected to the hydraulic slip ring. Between the hydraulic slip ring and the input end of the rotary valve switch, the oil return pipeline includes an oil return pipeline, a check valve and an unloading switch connected to the oil return pipeline from front to back, and the first pressure gauge and the hydraulic slide The low-pressure pipeline between the rings is provided with a first oil return port, and the high-pressure pipeline between the second pressure gauge and the rotary valve switch has a second oil return port. The oil port and the second oil return port are connected, and the rear end is connected to the fuel tank. 2. The hydraulic slip ring integrated experimental device according to claim 1, characterized in that: a first overflow valve is connected in parallel between the output port of the low-pressure electric pump and the oil tank. 3. The hydraulic slip ring integrated experimental device according to claim 2, characterized in that: a second overflow valve is connected in parallel between the output port of the high-pressure electric pump and the oil tank. 4. The hydraulic slip ring integrated experimental device according to claim 3, characterized in that: the input end pipelines of the low-pressure test valve switch and the high-pressure test valve switch are provided with oil inlet filters. 5 . The hydraulic slip ring integrated experimental device according to claim 4 , wherein an oil return filter is provided on the oil return pipeline connecting the unloading switch to the oil tank. 5 .