CN216812368U - Hydraulic pressure loading device - Google Patents
Hydraulic pressure loading device Download PDFInfo
- Publication number
- CN216812368U CN216812368U CN202123336604.8U CN202123336604U CN216812368U CN 216812368 U CN216812368 U CN 216812368U CN 202123336604 U CN202123336604 U CN 202123336604U CN 216812368 U CN216812368 U CN 216812368U
- Authority
- CN
- China
- Prior art keywords
- oil
- loading device
- pipeline
- hydraulic pressure
- reducing valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a pressure loading device, in particular to a hydraulic pressure loading device which is high in precision and simple and convenient to operate. The oil tank is arranged at the bottom of the test bed, the oil tank, the oil supply pump, the proportional pressure reducing valve and the oil cylinder are sequentially connected through the oil conveying pipeline, the oil supply pump is connected with the oil supply motor, one end of the oil conveying pipeline, which is connected with the oil tank, is arranged inside the oil tank, one end of the oil returning pipeline is connected to the position, between the oil supply pump and the proportional pressure reducing valve, of the oil conveying pipeline, the other end of the oil returning pipeline is connected with the oil tank, and the overflow valve is arranged on the oil returning pipeline. The utility model controls the loading pressure of the oil cylinder through the proportional pressure reducing valve, and further controls the loading pressure output by the oil cylinder, so that the pressure output by the oil cylinder is continuous and stable, the precision is high, the integral structure of the device is simple, the operation is convenient, and the application range is wide.
Description
Technical Field
The utility model relates to a pressure loading device, in particular to a hydraulic pressure loading device which is high in precision and simple and convenient to operate.
Background
The pressure loading test is used for testing the pressure bearing capacity of a workpiece, and the hydraulic loading mode adopted at present is complex and complicated, and cannot meet the high-precision test requirement on the accuracy degree of controlling the loading force.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve the above problems, and therefore, to provide a hydraulic pressure loading device with high accuracy and simple operation.
The utility model solves the problems and adopts the technical scheme that:
the utility model provides a hydraulic pressure loading device, which comprises a test bench, the oil tank, the fuel feeding motor, the fuel feed pump, the overflow valve, the proportional pressure reducing valve, the hydro-cylinder, defeated oil pipe way and oil return pipeline, the oil tank sets up the bottom at the test bench, the fuel feeding motor, the fuel feed pump, the overflow valve, proportional pressure reducing valve and hydro-cylinder all set up the inside at the test bench, the oil tank, the fuel feed pump, proportional pressure reducing valve and hydro-cylinder loop through defeated oil pipe way and connect, the fuel feed pump is connected with the fuel feeding motor, the one end of oil return pipeline is connected on defeated oil pipe way lies in the position between fuel feed pump and the proportional pressure reducing valve, the other end and the oil tank of oil return pipeline are connected, the overflow valve sets up on oil return pipeline.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
the loading pressure of the oil cylinder is controlled through the proportional pressure reducing valve, and the loading pressure output by the oil cylinder is further controlled, so that the pressure output by the oil cylinder is continuous and stable, and the precision is high.
Secondly, the device has simple integral structure, convenient operation and wide application range.
Preferably, the further technical scheme of the utility model is as follows:
an oil supply filter is arranged on the oil pipeline between the oil return pipeline and the oil supply pump; the oil drawn from the inside of the oil tank is filtered.
A coarse oil filter is arranged on the oil pipeline between the oil tank and the oil supply pump; the oil is strained before being drawn from the tank.
A cooler is arranged on the oil return pipeline between the oil tank and the overflow valve; and cooling the return oil to protect the oil tank.
A first pressure sensor is arranged on the oil pipeline between the oil return pipeline and the proportional pressure reducing valve; the automatic control overflow valve can automatically control the opening and closing and the flow of the overflow valve, and automatically protect an oil pipeline and each part.
A second pressure sensor is arranged on the oil pipeline at a position between the proportional pressure reducing valve and the oil cylinder; the proportional pressure reducing valve is automatically controlled, and the load output by the oil cylinder is automatically controlled.
The pressure sensor II is connected with a pressure gauge; more visual observation of pressure values
An air filter is arranged in the oil tank; the air entering the oil tank is ensured to be clean.
A liquid level meter is arranged in the oil tank; and observing and controlling the liquid level in the oil tank.
A ventilation opening is formed in the side face of the test bed, and a cooling fan is arranged in the test bed close to the ventilation opening; the inside of the test bed was cooled.
Drawings
FIG. 1 is a schematic view of a piping connection structure according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an embodiment of the present invention.
In the figure: an oil cylinder 1; a pressure gauge 2; a second pressure sensor 3; a proportional pressure reducing valve 4; an overflow valve 5; an oil return line 6; a cooler 7; an air cleaner 8; a liquid level meter 9; a fuel tank 10; a first pressure sensor 11; an oil delivery pipeline 12; an oil feed filter 13; an oil supply pump 14; an oil supply motor 15; a crude oil filter 16; a test stand 17; a cooling fan 18;
the specific implementation mode is as follows:
the utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
Referring to fig. 1 and 2, a hydraulic pressure loading device comprises a test bench 17, an oil tank 10, an oil supply motor 15, an oil supply pump 14, an overflow valve 5, a proportional pressure reducing valve 4, an oil cylinder 1, an oil pipeline 12 and an oil return pipeline 6, wherein the oil tank 10 is installed at the bottom of the test bench 17, an air filter 8 is installed in the oil tank 10 to ensure that air entering the oil tank 10 is clean, a liquid level meter 9 is arranged in the oil tank 10 to observe and control the liquid level in the oil tank 10, the oil supply motor 15, the oil supply pump 14, the overflow valve 5, the proportional pressure reducing valve 4 and the oil cylinder 1 are all installed in the test bench 17, the oil tank 10, the oil supply pump 14, the proportional pressure reducing valve 4 and the oil cylinder 1 are sequentially connected through the oil pipeline 12, the oil supply pump 14 is connected with the oil supply motor 15, one end of the oil pipeline 12 connected with the oil tank 10 extends into the oil tank 10, one end of the oil return pipeline 6 is connected with the oil pipeline 12 at an oil supply position between the oil supply pump 14 and the proportional pressure reducing valve 4, the other end of the oil return pipeline 6 extends into the oil tank 10, the overflow valve 5 is connected onto the oil return pipeline 6, a cooler 7 is connected to a position, located between the oil tank 10 and the overflow valve 5, on the oil return pipeline 6, the oil return is cooled, the oil tank 10 is protected, a ventilation opening is formed in the side face of the test bed 17, a cooling fan 18 is installed in the test bed 17 close to the ventilation opening, the cooling fan 18 is electrically connected with the cooler 7, and the test bed 17 is cooled and controlled to work inside the test bed 7.
An oil supply filter 13 is connected to the oil delivery line 12 at a position between the oil return line 6 and the oil supply pump 14 to filter the oil drawn from the inside of the oil tank 10, and a crude oil filter 16 is connected to the oil delivery line 12 at a position between the oil tank 10 and the oil supply pump 14 to perform coarse filtration before the oil is drawn from the oil tank 10.
The position department that lies in between oil return line 6 and the proportional pressure reducing valve 4 on defeated oil pipe way 12 is connected with pressure sensor 11, pressure sensor 11 passes through the controller electricity with overflow valve 5 and is connected, switch and the flow that can automatic control overflow valve 5, defeated oil pipe way 12 of automatic protection and each spare part, the position department that lies in between proportional pressure reducing valve 4 and hydro-cylinder 1 on defeated oil pipe way 12 is connected with pressure sensor two 3, pressure sensor two 3 passes through the controller electricity with proportional pressure reducing valve 4 and is connected, automatic control proportional pressure reducing valve 4, the load of automatic control hydro-cylinder 1 output, be connected with manometer 2 on the pressure sensor two 3, observe pressure value more directly perceivedly.
When the oil pump is used, the motor controls the oil supply pump 14 to pump oil from the inside of the oil tank 10, the output pressure oil is roughly filtered by the rough oil filter 16 and then filtered by the oil supply filter 13, the pressure of the filtered pressure oil is adjusted by the overflow valve 5, and the pressure oil is continuously output to the oil cylinder 1 under the control of the proportional pressure reducing valve 4.
The utility model controls the loading pressure of the oil cylinder 1 through the proportional pressure reducing valve 4, and further controls the loading pressure output by the oil cylinder 1, so that the pressure output by the oil cylinder 1 is continuous and stable, the precision is high, the integral structure of the device is simple, the operation is convenient, and the application range is wide.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (10)
1. A hydraulic pressure loading device is characterized in that: the oil tank, the oil supply pump, the overflow valve, the proportional pressure reducing valve and the oil cylinder are sequentially connected through the oil conveying pipeline, the oil supply pump is connected with the oil supply motor, one end of the oil return pipeline is connected to a position, between the oil supply pump and the proportional pressure reducing valve, of the oil conveying pipeline, the other end of the oil return pipeline is connected with the oil tank, and the overflow valve is arranged on the oil return pipeline.
2. The hydraulic pressure loading device according to claim 1, wherein: an oil supply filter is arranged on the oil pipeline between the oil return pipeline and the oil supply pump.
3. The hydraulic pressure loading device according to claim 1, wherein: and a coarse oil filter is arranged at a position between the oil tank and the oil supply pump on the oil conveying pipeline.
4. The hydraulic pressure loading device according to claim 1, wherein: a cooler is arranged on the oil return pipeline between the oil tank and the overflow valve.
5. The hydraulic pressure loading device according to claim 1, wherein: and a first pressure sensor is arranged on the oil pipeline between the oil return pipeline and the proportional pressure reducing valve.
6. The hydraulic pressure loading device according to claim 1, wherein: and a second pressure sensor is arranged on the oil pipeline at a position between the proportional pressure reducing valve and the oil cylinder.
7. The hydraulic pressure loading device according to claim 6, wherein: the second pressure sensor is connected with a pressure gauge.
8. The hydraulic pressure loading device according to claim 1, wherein: an air filter is arranged in the oil tank.
9. The hydraulic pressure loading device according to claim 1, wherein: a liquid level meter is arranged in the oil tank.
10. The hydraulic pressure loading device according to claim 4, wherein: the side of the test bed is provided with a vent, and a cooling fan is arranged in the test bed close to the vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336604.8U CN216812368U (en) | 2021-12-29 | 2021-12-29 | Hydraulic pressure loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336604.8U CN216812368U (en) | 2021-12-29 | 2021-12-29 | Hydraulic pressure loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812368U true CN216812368U (en) | 2022-06-24 |
Family
ID=82055516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123336604.8U Active CN216812368U (en) | 2021-12-29 | 2021-12-29 | Hydraulic pressure loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812368U (en) |
-
2021
- 2021-12-29 CN CN202123336604.8U patent/CN216812368U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202133551U (en) | Airplane fuel accessory performance test system | |
| CN201637554U (en) | Leakage testing system for pressure reducing valve | |
| CN202229980U (en) | Hydraulic pressurizing system of testing machine | |
| CN204628114U (en) | A kind of for supplying the hydraulic pressure pump truck of oil return to aircraft | |
| CN216812368U (en) | Hydraulic pressure loading device | |
| CN110455509B (en) | Turbocharger test bench | |
| CN205001099U (en) | High pressure sprayer test equipment | |
| CN207437245U (en) | A kind of double oil tank fuel feed systems of truck | |
| CN211231353U (en) | Hydraulic oil control system for power motor test bed | |
| CN201923325U (en) | Testing system for blue oil accessories | |
| CN209483747U (en) | A kind of servo-hydraulic constant-voltage system | |
| CN205001166U (en) | Gear pump test bench antipollution automatic voltage regulation device | |
| CN205190392U (en) | Support cylinder hydraulic system of super large jumbo | |
| CN212318409U (en) | Workpiece turnover equipment clamp clamping hydraulic station | |
| CN209247359U (en) | A kind of solid propellant rocket slow test load hydraulic power source device | |
| CN215178629U (en) | Be used for sealed fuel pressure boost test equipment of many interfaces product | |
| CN215444551U (en) | Hydraulic workbench for airplane reverse thrust test | |
| CN207920988U (en) | A kind of hydraulic control system of vacuum fueling machine | |
| CN220646336U (en) | Pressure measuring hydraulic system for automobile parts | |
| CN217207083U (en) | Flow resistance test bed for double-position filter | |
| CN205841173U (en) | A kind of vehicle air compressor performance test stand | |
| CN109667812B (en) | Proportional valve and servo valve test bench | |
| CN105298944A (en) | Supporting oil cylinder system with pressure maintaining function | |
| CN206072722U (en) | A kind of hydrostatic bearing lubrication station | |
| CN105605004B (en) | The hydraulic system that a kind of driving equipment rises |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 125000 No.8, Gaoxin 10th Road, Huludao hi tech Industrial Development Zone, Liaoning Province Patentee after: Fudi Petrochemical Technology (Huludao) Co.,Ltd. Address before: 125000 No.8, Gaoxin 10th Road, Huludao hi tech Industrial Development Zone, Liaoning Province Patentee before: FUDIS PETROLEUM CHEMICAL (HULUDAO) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |