CN220060118U - Alternating pressure pulse test device of hydraulic filter - Google Patents
Alternating pressure pulse test device of hydraulic filter Download PDFInfo
- Publication number
- CN220060118U CN220060118U CN202322806355.7U CN202322806355U CN220060118U CN 220060118 U CN220060118 U CN 220060118U CN 202322806355 U CN202322806355 U CN 202322806355U CN 220060118 U CN220060118 U CN 220060118U
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- valve
- pressure
- oil tank
- hydraulic filter
- pipeline
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a hydraulic filter alternating pressure pulse test device, which comprises a test oil tank and a hydraulic filter, wherein a gear pump, a one-way valve and a pressure transmitter are sequentially connected with the bottom outlet of the test oil tank through pipelines, the inlet of the hydraulic filter is connected with the pipeline where the pressure transmitter is positioned through a rubber hose, the upper outlet of the test oil tank is connected with an overflow valve through a pipeline, the overflow valve is arranged in parallel with the one-way valve, an electric regulating valve is arranged on the pipeline where the upper outlet of the test oil tank is positioned, and the electric regulating valve is arranged in parallel with the overflow valve; the experimental device is simple in system, easy to manufacture and low in cost, the overflow valve is used for setting the safety pressure of the system, the safety of the system is ensured, the pressure transmitter is used for monitoring the working pressure of the system in real time, the opening of the electric regulating valve is controlled by the PLC to enable the pressure of the system to reach the set target value according to the comparison between the measured value of the pressure transmitter and the target pressure value, and the pressure alternating requirements can be met by sequentially carrying out the control of the opening of the electric regulating valve.
Description
Technical Field
The utility model relates to the technical field of hydraulic filter pressure tests, in particular to an alternating pressure pulse test device for a hydraulic filter.
Background
The fatigue life test of the hydraulic filter is generally carried out by an alternating pressure test bed; in order to further ensure the performance of the hydraulic filter, the hydraulic filter needs to be subjected to pressure impact and pressure resistance tests so as to meet the demands of people; the existing filter fatigue resistance test device has the defects of complex structure, high manufacturing cost and inconvenient operation and use; chinese patent application number 202221901451.9 discloses a fatigue resistance test device of a filter, which is provided with an intermediate oil tank, and is matched with an ash adder of the intermediate oil tank to throw impurities into oil, so that the flow rate of the oil in an oil pipe becomes low, and the fatigue strength of a filter body under the normal use condition is tested; when the fatigue strength test of different oil pressures is required to be carried out on the filter body, the left high-pressure pump and the right low-pressure pump are respectively used for testing, so that the alternating pressure test cannot be automatically realized; an alternating pressure pulse test device for a hydraulic filter is provided for solving the problems.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides a hydraulic filter alternating pressure pulse test device which is simple in system, safe in system, easy to manufacture and low in cost, and can meet the requirement of alternating pressure by controlling the opening of an electric regulating valve to enable the system pressure to reach a set target value through a PLC controller according to the comparison between a measured value of a pressure transmitter and a target pressure value and sequentially carrying out the control.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic filter alternating pressure pulse test device, includes experimental oil tank and hydraulic filter, and the bottom export of experimental oil tank has connected gradually gear pump, check valve and pressure transmitter through the pipeline, hydraulic filter's import is through rubber hose and pressure transmitter place piping connection, the upper portion export of experimental oil tank has the overflow valve through the piping connection, and the overflow valve is parallelly connected with the check valve setting, be provided with electric control valve on the pipeline of the upper portion export place of experimental oil tank, this electric control valve is parallelly connected with the overflow valve setting.
Further, a stainless steel ball valve II is arranged on a pipeline connected with the outlet at the bottom of the gear pump and the outlet at the bottom of the test oil tank, and a stainless steel ball valve I is arranged at the bottom oil drain port of the test oil tank.
Further, the motor is further included, and an output shaft of the motor is connected with an input shaft of the gear pump through a bell coupling.
Further, the intelligent control system further comprises a PLC control box, wherein the PLC control box is electrically connected with the electric regulating valve and the pressure transmitter.
Compared with the prior art, the utility model has the beneficial effects that:
the experimental device is simple in system, easy to manufacture and low in cost, the overflow valve is used for setting the safety pressure of the system, the safety of the system is ensured, the pressure transmitter is used for monitoring the working pressure of the system in real time, the opening of the electric regulating valve is controlled by the PLC to enable the pressure of the system to reach the set target value according to the comparison between the measured value of the pressure transmitter and the target pressure value, and the pressure alternating requirements can be met by sequentially carrying out the control of the opening of the electric regulating valve.
Drawings
FIG. 1 is a schematic diagram of the system principle of the present utility model.
In the figure: the test oil tank 1, the stainless steel ball valve I, the gear pump 3, the motor 4, the bell jar coupling 5, the one-way valve 6, the overflow valve 7, the electric regulating valve 8, the pressure transmitter 9, the rubber hose 10, the hydraulic filter 11 and the stainless steel ball valve II.
Detailed Description
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a hydraulic filter alternating pressure pulse test device, including experimental oil tank 1 and hydraulic filter 11, the bottom export of experimental oil tank 1 has connected gradually gear pump 3 through the pipeline, check valve 6 and pressure transmitter 9, check valve 6 prevents the fluid backward flow of system, the output shaft of motor 4 passes through bell jar shaft coupling 5 and is connected with the input shaft of gear pump 3, hydraulic filter 11's import passes through rubber hose 10 and is connected with pressure transmitter 9 place pipeline, the upper portion export of experimental oil tank 1 has overflow valve 7 through the pipeline connection, overflow valve 7 and the parallelly connected setting of check valve 6, be provided with electric control valve 8 on the pipeline place of the upper portion export of experimental oil tank 1, this electric control valve 8 and overflow valve 7 parallelly connected setting, electric control valve 8 gradually adjusts system pressure according to PLC control box control logic and rises or descends, and automatic repeat prescribed number of times.
The stainless steel ball valve II 12 is arranged on a pipeline connected with the outlet at the bottom of the test oil tank 1, and when the system does not work, the system is closed through the stainless steel ball valve II 12, the stainless steel ball valve I2 is arranged at the bottom oil drain port of the test oil tank 1, and the stainless steel ball valve I2 is used for oil drain work of the test oil tank 1.
The PLC control box is electrically connected with the electric regulating valve 8 and the pressure transmitter 9, a pressure alternating automatic counting function is designed, the lowest point and the highest point of a target pressure value are set as monitoring points of the technology in the pressure alternating process, and when the system pressure passes through the lowest point once to reach the highest point and returns to the lowest point again, a circulation is recorded once, so that the pressure alternating automatic counting function can be realized.
Starting the motor 4, enabling the gear pump 3 to enable the oil stainless steel ball valve II 12, the one-way valve 6 and the rubber hose 10 to enter the hydraulic filter 11 from the test oil tank 1, enabling the electric regulating valve 8 to gradually regulate the system pressure to rise or fall according to the control logic of the PLC control box, automatically repeating for a specified number of times, enabling the overflow valve 7 to set the system safety pressure, and enabling the pressure transmitter 9 to monitor the system working pressure in real time.
While the basic principles of the utility model have been shown and described, there are various changes and modifications to the utility model, which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a hydraulic filter alternating pressure pulse test device, includes test oil tank (1) and hydraulic filter (11), its characterized in that: the bottom outlet of experimental oil tank (1) has connected gradually gear pump (3), check valve (6) and pressure transmitter (9) through the pipeline, the import of hydraulic pressure filter (11) is through rubber hose (10) and pressure transmitter (9) place piping connection, the upper portion export of experimental oil tank (1) has overflow valve (7) through the piping connection, and overflow valve (7) are parallelly connected with check valve (6) and are set up, be provided with electric control valve (8) on the pipeline of upper portion export place of experimental oil tank (1), this electric control valve (8) are parallelly connected with overflow valve (7) and are set up.
2. The hydraulic filter alternating pressure pulse test device according to claim 1, wherein: the stainless steel ball valve II (12) is arranged on a pipeline connected with the outlet at the bottom of the test oil tank (1), and the stainless steel ball valve I (2) is arranged at the bottom oil drain port of the test oil tank (1).
3. The hydraulic filter alternating pressure pulse test device according to claim 1, wherein: the motor also comprises a motor (4), and an output shaft of the motor (4) is connected with an input shaft of the gear pump (3) through a bell coupling (5).
4. The hydraulic filter alternating pressure pulse test device according to claim 1, wherein: the automatic control device also comprises a PLC control box, wherein the PLC control box is electrically connected with the electric regulating valve (8) and the pressure transmitter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806355.7U CN220060118U (en) | 2023-10-19 | 2023-10-19 | Alternating pressure pulse test device of hydraulic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806355.7U CN220060118U (en) | 2023-10-19 | 2023-10-19 | Alternating pressure pulse test device of hydraulic filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060118U true CN220060118U (en) | 2023-11-21 |
Family
ID=88755594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322806355.7U Active CN220060118U (en) | 2023-10-19 | 2023-10-19 | Alternating pressure pulse test device of hydraulic filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060118U (en) |
-
2023
- 2023-10-19 CN CN202322806355.7U patent/CN220060118U/en active Active
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