CN215214200U - Hydraulic motor test oil circuit integrated management device - Google Patents
Hydraulic motor test oil circuit integrated management device Download PDFInfo
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- CN215214200U CN215214200U CN202120971377.7U CN202120971377U CN215214200U CN 215214200 U CN215214200 U CN 215214200U CN 202120971377 U CN202120971377 U CN 202120971377U CN 215214200 U CN215214200 U CN 215214200U
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Abstract
The utility model relates to a hydraulic motor test oil circuit integrated management device, which comprises a main oil circuit and an oil return circuit, and is characterized in that the main oil circuit comprises a filter, and the filter is connected with an energy accumulator in series; the main oil way is connected with the oil return way through an electro-hydraulic reversing valve; the oil return path comprises a heat exchanger and an electric control ball valve connected with the electro-hydraulic reversing valve in series. The oil return path is connected with a detection device in parallel, and the detection device comprises a pressure transmitter, a first gear flowmeter connected in the oil return path, and a temperature sensor and a second gear flowmeter which are connected with the pressure transmitter in series. Because of the hydraulic motor test demand, install pressure transmitter, temperature sensor, flowmeter and little flow control valve additional at the hydraulic motor overflow mouth, detect pressure, temperature, the flow of hydraulic motor overflow to adjust overflow pressure through little flow control valve, the data that need the test are gathered to the simulation operating condition.
Description
Technical Field
The utility model relates to a hydraulic control system, concretely relates to hydraulic motor test oil circuit integrated management device.
Background
The hydraulic motor needs to be provided with loading devices corresponding to technical parameters of the hydraulic motor in performance laboratories, at different rotating speeds, different steering directions and different loads. When in use, the hydraulic oil cargo is slowly aged, and the aged oil cannot be recovered when being replaced, and can be discharged into the environment to cause pollution; leakage is a common failure of hydraulic systems, and oil flow to the environment can cause pollution and also economic losses. Therefore, for the hydraulic medium, new pollution-free degradable hydraulic oil should be developed, so that even if the hydraulic oil flows into the environment, the hydraulic oil can be degraded after a certain time without causing harm; environmental problems due to leakage are also not negligible, and leakage is also a persistent problem for hydraulic systems. The prevention and control of leakage need technical and management support, the problem should be considered in the stages of design, use and maintenance, and the recovery of hydraulic oil is needed during maintenance.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to meet the requirements of a factory for building a hydraulic motor test bed, a hydraulic motor test hydraulic system is specially designed. The hydraulic motor test hydraulic system is specially customized for a hydraulic motor test bed. The hydraulic motor test oil circuit integrated management device is used for providing stable kinetic energy for a hydraulic motor and collecting data.
The technical scheme is as follows: an integrated management device for a hydraulic motor test oil path comprises a main oil path and an oil return path,
the main oil way comprises a filter, the filter adopts a high-pressure plate type filter and is used for filtering an oil source provided by the inclined shaft type axial plunger pump, and the filter is connected with an energy accumulator in series; the main oil way is connected with the oil return way through an electro-hydraulic reversing valve; the oil return path comprises an electric control ball valve used for controlling the flowing direction of oil and a heat exchanger connected in series with the electric control reversing valve, the heat exchanger adopts a brazed plate type heat exchanger, an oil passage can be effectively sealed in the flowing of the oil, the flowing direction of the oil is guided, and heat exchange is formed. The rotation direction of the tested motor is controlled through the electro-hydraulic reversing valve, and the oil inlet direction of the motor is changed.
In a further embodiment, the oil return path is connected in parallel with a detection device, and the detection device comprises a pressure transmitter, a first gear flowmeter connected in the oil return path, and a temperature sensor and a second gear flowmeter connected in series with the pressure transmitter.
In a further embodiment, the accumulator is connected in parallel with a proportional relief valve for automatic unloading and loading of a pump in the accumulator system.
In a further embodiment, the reversing valve is a Y-shaped three-position four-way reversing valve, and under the condition that a power supply is not cut off, the hydraulic motor is in a floating state, data are still reserved, and data collection is facilitated.
In a further embodiment, the second gear wheel flowmeter is connected in series with a small flow regulating valve for regulating the relief pressure.
Has the advantages that:
the utility model relates to a hydraulic motor tests oil circuit integrated management device provides stable kinetic energy for whole hydraulic motor test hydraulic system to the experimental data that provide needs.
Drawings
Fig. 1 is a schematic diagram of a hydraulic motor testing system for which the present invention is applied.
Fig. 2 is the system schematic diagram of the hydraulic motor test oil circuit integrated management device of the present invention.
The figures are numbered: the device comprises an energy accumulator 12, a high-pressure plate type filter 17, a pressure transmitter 19, a temperature sensor 22, a small flow regulating valve 25, a brazed plate type heat exchanger 26, a first gear flowmeter 27, a second gear flowmeter 28, an electric control ball valve 29, a proportional relief valve 30 and an electro-hydraulic reversing valve 31.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The applicant designs a hydraulic motor test hydraulic system specially for meeting the requirements of a factory construction hydraulic motor test bed. The hydraulic motor test hydraulic system is specially customized for a hydraulic motor test bed. For the hydraulic motor test demand, provide a hydraulic motor test oil circuit integrated management device and provide kinetic energy for the hydraulic motor to provide experimental data.
Therefore, the applicant proposes an integrated management device for testing oil paths of a hydraulic motor, wherein a pressure transmitter 19, a temperature sensor 22, a flowmeter 28 and a small flow regulating valve 25 are additionally arranged at an overflow port of the hydraulic motor to detect the pressure, the temperature and the flow of the overflow of the hydraulic motor, the overflow pressure is regulated through the small flow regulating valve 25, the working state is simulated, and data needing to be tested are acquired. Thereby solved the above-mentioned problem that prior art exists, the concrete scheme is as follows:
the utility model discloses a hydraulic motor tests integrated management device of oil circuit, including main oil circuit and return oil circuit, because fluid is mixed there is impurity, goes out to install high-pressure plate filter 17 at the main oil circuit oil inlet to filter the fluid that the hydraulic pump provided, the main oil circuit is including the filter, and the filter adopts high-pressure plate filter 17, is used for filtering the oil supply that the bent axle formula axial plunger pump provided, high-pressure plate filter 17 series connection's energy storage ware 12, the model of energy storage ware 12 are NXQA-2.5 LA, with the energy storage in the system, the energy supply that can the governing system needs to protection system pressure is normal. The main oil way is connected with the oil return way through an electro-hydraulic reversing valve 31, the type of the electro-hydraulic reversing valve 31 is a Y-shaped three-position four-way electro-hydraulic reversing valve 31 of YDF-23, when the electro-hydraulic reversing valve 31 is in a middle position, a hydraulic motor is in a floating state under the condition of not cutting off a power supply, data are still reserved, and during data acquisition, the electro-hydraulic reversing valve can be temporarily stopped only by being in the middle position. The electro-hydraulic directional valve 31 is only required to be switched when the oil flow direction is required to be switched. The oil return path comprises an electric control ball valve 29 used for controlling oil flow, the electric control ball valve 29 has good sealing performance, the oil can be effectively prevented from corroding the electric control ball valve 29, the oil can be rapidly and remotely controlled and is connected in series with the heat exchanger of the electric control reversing valve, the heat exchanger adopts a brazed plate type heat exchanger 26, an oil channel can be effectively sealed during the oil flow, the oil flow direction is guided, and heat exchange is formed. The rotation direction of the tested motor is controlled and the oil inlet direction of the motor is changed through the electro-hydraulic reversing valve 31. The oil return path is connected with a detection device in parallel, the detection device comprises a pressure transmitter 19 used for detecting a pressure value, the model of the pressure transmitter 19 is MPM480C0-3.5JMPaE22B1PC1G, the measurement speed and efficiency can be effectively improved in the system, a first gear flowmeter 27 connected in the oil return path, a temperature sensor 22 and a second gear flowmeter 28 which are connected with the pressure transmitter 19 in series are arranged, the gear flowmeter is used for detecting flow, and the temperature sensor 22 is used for measuring temperature. The accumulator 12 is connected in parallel with a proportional relief valve 30 for automatic unloading and loading of a pump in the accumulator 12 system, when the charging pressure of the accumulator 12 reaches a set pressure, the hydraulic pump is automatically unloaded, and the second gear wheel flowmeter 28 is connected in series with a small flow regulating valve 25 for regulating the relief pressure.
The utility model discloses specific working method as follows:
oil passes through the high-pressure plate type filter 17, the filtered oil enters the energy accumulator 12, the energy accumulator 12 plays a role in stabilizing pressure, the oil is divided into two oil paths through the electro-hydraulic reversing valve 31, one oil path enters the product inlet and then flows out of the outlet, the outlet is connected with the first gear flow meter 27 and the electric control ball valve 29, and the oil flows back to the oil tank through the brazed plate type heat exchanger 26. The other oil path is an oil return pipeline of the hydraulic motor shell, oil passes through the pressure transmitter 19 and the temperature sensor 22 and then flows back to the oil tank through the small flow regulating valve 25 and the second gear wheel flowmeter 28, and the pressure, the temperature and the flow of the overflow of the hydraulic motor are detected at the moment and are data required to be tested.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The integrated management device for the hydraulic motor test oil path comprises a main oil path and an oil return path, and is characterized in that the main oil path comprises a filter, and the filter is connected with an energy accumulator in series; the main oil way is connected with the oil return way through an electro-hydraulic reversing valve; the oil return path comprises a heat exchanger and an electric control ball valve connected with the electro-hydraulic reversing valve in series.
2. The integrated management device for the test oil circuit of the hydraulic motor as claimed in claim 1, wherein the oil return circuit is connected in parallel with a detection device, the detection device comprises a pressure transmitter, a first gear flow meter connected in the oil return circuit, and a temperature sensor and a second gear flow meter connected in series with the pressure transmitter.
3. The integrated management device for the hydraulic motor test oil way as claimed in claim 1, wherein a proportional overflow valve is connected in parallel with the accumulator.
4. The integrated management device for the hydraulic motor test oil circuit according to claim 1, wherein the electro-hydraulic directional valve is a Y-shaped three-position four-way directional valve.
5. The integrated management device for the hydraulic motor test oil circuit according to claim 2, wherein the second gear wheel flowmeter is connected with a small flow regulating valve in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120971377.7U CN215214200U (en) | 2021-05-08 | 2021-05-08 | Hydraulic motor test oil circuit integrated management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120971377.7U CN215214200U (en) | 2021-05-08 | 2021-05-08 | Hydraulic motor test oil circuit integrated management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214200U true CN215214200U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120971377.7U Active CN215214200U (en) | 2021-05-08 | 2021-05-08 | Hydraulic motor test oil circuit integrated management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214200U (en) |
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2021
- 2021-05-08 CN CN202120971377.7U patent/CN215214200U/en active Active
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