CN202867423U - Hydraulic cylinder test bed - Google Patents
Hydraulic cylinder test bed Download PDFInfo
- Publication number
- CN202867423U CN202867423U CN 201220592421 CN201220592421U CN202867423U CN 202867423 U CN202867423 U CN 202867423U CN 201220592421 CN201220592421 CN 201220592421 CN 201220592421 U CN201220592421 U CN 201220592421U CN 202867423 U CN202867423 U CN 202867423U
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- Prior art keywords
- valve
- oil
- cylinder
- outlet
- electromagnetic relief
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- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic test device, in particular to a hydraulic cylinder test bed. The hydraulic cylinder test bed comprises an oil pump, an oil tank, a reversing valve and a remote pressure regulating valve, wherein an inlet of the oil pump is connected with an oil sucking and filtering device, an outlet of the oil pump is connected with a check valve, an outlet of the check valve is connected with an oil inlet of the reversing valve and an oil inlet of an electromagnetic relief valve, the reversing valve is connected with the oil tank through an oil return pipe, the remote pressure regulating valve is arranged on the electromagnetic relief valve, oil outlets of the electromagnetic relief valve and the remote pressure regulating valve are respectively connected with the oil tank, and an oil outlet and an oil return outlet of the reversing valve are respectively connected with an oil cylinder which needs to be tested through a connecting pipeline. Compared with the prior art, the hydraulic cylinder test bed, with pressure regulation of the electromagnetic relief valve and the remote pressure regulating valve and direction control of the reversing valve, is capable of achieving factory test of the hydraulic cylinder. The hydraulic cylinder test bed has the advantages of being simple in structure, and convenient in testing. The outgoing quality of an oil cylinder can be improved and the safety coefficient of the oil cylinder can be enhanced through testing the oil cylinder.
Description
Technical field
The utility model relates to a kind of hydraulic testing apparatus, particularly a kind of cylinder bench.
Background technique
At present, dispatching from the factory of some oil hydraulic cylinders just directly dispatched from the factory without check, exists the oil hydraulic cylinder of quality problems to dispatch from the factory, and not only for the client causes damage, also buried potential safety hazard for use in the future.
The model utility content
Goal of the invention of the present utility model is to overcome the deficiency of prior art and a kind of cylinder bench that can test various oil cylinders is provided.
The utility model adopts following technical side's scheme:
A kind of cylinder bench, comprise oil pump, fuel tank, selector valve, remote pressure regulating valve, the entrance of oil pump is connected with oil-suction oil filter, and the outlet of oil pump is connected with one-way valve, the outlet of one-way valve is connected filler opening with the filler opening of selector valve respectively and is connected with electromagnetic relief valve, selector valve is connected with fuel tank by return line; Remote pressure regulating valve is housed on the electromagnetic relief valve; Electromagnetic relief valve is connected with fuel tank respectively with the oil outlet of remote pressure regulating valve; The oil outlet of selector valve is connected with return opening by connecting pipeline and is connected with oil cylinder to be detected.
Adopt the utility model of technique scheme compared with prior art, by the pressure adjustment of electromagnetic relief valve and remote pressure regulating valve, and the control of the direction of selector valve, can realize oil hydraulic cylinder is carried out delivery test, have simple in structurely, test easily advantage; By oil cylinder being tested the outgoing that can improve oil cylinder, improve the safety coefficient of oil cylinder.
Preferred version of the present utility model is:
On the return line between described selector valve and the fuel tank throttle valve is housed.
Hydraulic stop valve is equipped with in the outside of described fuel tank.
On the connecting pipeline between one-way valve and selector valve and the electromagnetic relief valve pressure gauge is housed.
Described selector valve is three position four-way directional control valve.
Described selector valve has bit architecture in the O type.
On the connecting pipeline between described oil pump and the oil-suction oil filter hydraulic ball valve is housed.
Described oil pump is variable displacement pump.
Connecting pipeline between one-way valve and the selector valve is provided with hydraulic hose.
Description of drawings
Fig. 1 is hydraulic schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail:
A kind of cylinder bench, referring to accompanying drawing 1, among the figure: oil-suction oil filter 1, hydraulic ball valve 2, oil pump 3, one-way valve 4, hydraulic hose 5, pressure meter switch 6, pressure gauge 7, throttle valve 8, selector valve 9, electromagnetic relief valve 10, remote pressure regulating valve 11, hydraulic stop valve 12, return line 13, oil-containing groove 14, fuel tank 15, tested oil cylinder 16.
In the present embodiment, the entrance of oil pump 3 is connected with oil-suction oil filter 1, the outlet of oil pump 3 is connected with the import of one-way valve 4, and the outlet of one-way valve 4 is connected by the filler opening that hydraulic pipe line and the filler opening of selector valve 9 are connected with electromagnetic relief valve respectively, and selector valve 9 is connected with fuel tank 15 by return line 13; Remote pressure regulating valve 11 is housed on the electromagnetic relief valve 10; Electromagnetic relief valve 10 is connected with fuel tank 15 respectively with the oil outlet of remote pressure regulating valve 11; The oil outlet of selector valve 9 is connected with return opening by connecting pipeline and is connected with oil cylinder 16 to be detected.
On the return line 13 between selector valve 9 and the fuel tank 15 throttle valve 8 is housed.
The rod chamber of tested oil cylinder 16 and rodless cavity are connected with return opening with selector valve 9 oil outlets by the hydraulic connecting pipeline respectively, try out first.Open motor and make oil pump 3 operations, it is minimum that adjusting remote pressure regulating valve 11 drops to pressure, and the electric control cubicle control knob by to from putting in place, is made the oil hydraulic cylinder automatic reciprocating motion 10 times, gets rid of the air in the tested oil cylinder 16.
Regulate remote pressure regulating valve 11, the pressure of tested oil cylinder 16 raises gradually from zero, until oil cylinder starts, the record minimum starting pressure judges according to minimum pressure whether resistance exceeds standard; The piston rod of tested oil cylinder 16 rests on respectively the two ends in the cavity, regulates remote pressure regulating valve 11, and pressure is increased, the test internal leakage, and judge whether to exceed standard.
Pressure increases to 1.5 times of rated pressure, pressurize 2 minutes, and whether the Sealing that records tested oil cylinder 16 damages and leakage of oil.
Claims (9)
1. cylinder bench, comprise oil pump, fuel tank, selector valve, remote pressure regulating valve is characterized in that: the entrance of described oil pump is connected with oil-suction oil filter, and the outlet of this oil pump is connected with one-way valve, the outlet of this one-way valve is connected filler opening with the filler opening of selector valve respectively and is connected with electromagnetic relief valve, this selector valve is connected with fuel tank by return line; Remote pressure regulating valve is housed on the electromagnetic relief valve; Electromagnetic relief valve is connected with fuel tank respectively with the oil outlet of remote pressure regulating valve; The oil outlet of selector valve is connected with return opening by connecting pipeline and is connected with oil cylinder to be detected.
2. cylinder bench according to claim 1 is characterized in that: on the return line between described selector valve and the fuel tank throttle valve is housed.
3. cylinder bench according to claim 1 is characterized in that: on the described fuel tank hydraulic stop valve is housed; This hydraulic stop valve is communicated with the oil-containing groove of tested oil cylinder below.
4. cylinder bench according to claim 1 is characterized in that: on the connecting pipeline between one-way valve and selector valve and the electromagnetic relief valve pressure gauge is housed.
5. cylinder bench according to claim 1, it is characterized in that: described selector valve is three position four-way directional control valve.
6. cylinder bench according to claim 1 or 5, it is characterized in that: described selector valve has bit architecture in the O type.
7. cylinder bench according to claim 1 is characterized in that: on the connecting pipeline between described oil pump and the oil-suction oil filter hydraulic ball valve is housed.
8. cylinder bench according to claim 1, it is characterized in that: described oil pump is variable displacement pump.
9. cylinder bench according to claim 1, it is characterized in that: the connecting pipeline between one-way valve and the selector valve is provided with hydraulic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592421 CN202867423U (en) | 2012-11-12 | 2012-11-12 | Hydraulic cylinder test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592421 CN202867423U (en) | 2012-11-12 | 2012-11-12 | Hydraulic cylinder test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867423U true CN202867423U (en) | 2013-04-10 |
Family
ID=48034146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592421 Expired - Fee Related CN202867423U (en) | 2012-11-12 | 2012-11-12 | Hydraulic cylinder test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867423U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867528A (en) * | 2014-03-14 | 2014-06-18 | 上海电气液压气动有限公司 | Integral hydraulic test table |
| CN105020193A (en) * | 2014-12-28 | 2015-11-04 | 高铁检测仪器（东莞）有限公司 | Oil pressure control system |
| CN105545876A (en) * | 2015-12-01 | 2016-05-04 | 广东精铟海洋工程股份有限公司 | Field detection device for reversing valve |
| CN107255567A (en) * | 2017-07-31 | 2017-10-17 | 安徽合力股份有限公司 | A kind of brake fatigue test rack of fork truck brake cylinder |
| CN113400038A (en) * | 2021-06-21 | 2021-09-17 | 徐友洪 | Moving mechanism of numerical control machine tool |
| CN113400801A (en) * | 2021-06-21 | 2021-09-17 | 衢州职业技术学院 | Computer-controlled imaging system and control method thereof |
| CN114235380A (en) * | 2021-11-30 | 2022-03-25 | 河南航天液压气动技术有限公司 | Low-pressure large-flow overflow valve test system and test method thereof |
-
2012
- 2012-11-12 CN CN 201220592421 patent/CN202867423U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867528A (en) * | 2014-03-14 | 2014-06-18 | 上海电气液压气动有限公司 | Integral hydraulic test table |
| CN103867528B (en) * | 2014-03-14 | 2016-11-02 | 上海电气液压气动有限公司 | A kind of integrated hydraulic testing stand |
| CN105020193A (en) * | 2014-12-28 | 2015-11-04 | 高铁检测仪器（东莞）有限公司 | Oil pressure control system |
| CN105545876A (en) * | 2015-12-01 | 2016-05-04 | 广东精铟海洋工程股份有限公司 | Field detection device for reversing valve |
| CN107255567A (en) * | 2017-07-31 | 2017-10-17 | 安徽合力股份有限公司 | A kind of brake fatigue test rack of fork truck brake cylinder |
| CN107255567B (en) * | 2017-07-31 | 2023-08-04 | 安徽合力股份有限公司 | Fatigue test stand for forklift brake cylinder |
| CN113400038A (en) * | 2021-06-21 | 2021-09-17 | 徐友洪 | Moving mechanism of numerical control machine tool |
| CN113400801A (en) * | 2021-06-21 | 2021-09-17 | 衢州职业技术学院 | Computer-controlled imaging system and control method thereof |
| CN113400801B (en) * | 2021-06-21 | 2022-09-09 | 衢州职业技术学院 | Computer-controlled imaging system and control method thereof |
| CN114235380A (en) * | 2021-11-30 | 2022-03-25 | 河南航天液压气动技术有限公司 | Low-pressure large-flow overflow valve test system and test method thereof |
| CN114235380B (en) * | 2021-11-30 | 2023-12-15 | 河南航天液压气动技术有限公司 | Low-pressure high-flow overflow valve test system and test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20161112 |