CN102979785A - Test platform for oil cylinder - Google Patents
Test platform for oil cylinder Download PDFInfo
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- CN102979785A CN102979785A CN2012105034560A CN201210503456A CN102979785A CN 102979785 A CN102979785 A CN 102979785A CN 2012105034560 A CN2012105034560 A CN 2012105034560A CN 201210503456 A CN201210503456 A CN 201210503456A CN 102979785 A CN102979785 A CN 102979785A
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- liquid air
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Abstract
The invention provides a test platform for an oil cylinder. The test platform comprises a loading part, a to-be-tested part, a low pressure pump and a high pressure pump, wherein the loading part is connected to a loading pump through a third electromagnetic relief valve, and the loading pump is connected with the low pressure pump and the high pressure pump respectively. The to-be-tested part is connected between the low pressure pump and the high pressure pump. According to the technical scheme of the invention, the low pressure pump with high flow and low pressure and the high pressure pump with high pressure and low flow are adopted in the system to be used as the control pumps for the test platform, and in the testing process, according to the different rated pressures of the oil cylinders, the pressures necessary for the oil cylinders with different diameters can be adjusted through a pilot-controlled check valve.
Description
Technical field
The present invention relates to the testing apparatus technical field, refer in particular to a kind of test platform for oil cylinder.
Background technique
Continuous expansion along with the oil cylinder application area; the situation of oil cylinder work time institute's load is more sophisticated also; not only be subject to merely the impact of axial load; usually also can be subject to the impact of other pressure; mainly be that working condition is tested during to the suffered axial load of oil cylinder to the test of oil cylinder at present; but; along with updating and maturation of hydraulics; leak test and pressurize test requirements document to existing oil cylinder are more and more higher; so oil cylinder not only needs it is carried out the axial load load test before dispatching from the factory; also must be to rated pressure; working stroke; the performances such as internal leak are tested; to guarantee the oil cylinder quality; and the general test oil cylinder whether leakage of oil or in the test such as to let out all be to carry out static test at oil cylinder test bed; and static test can not meet the demand of operating mode fully, and the existence of hidden danger causes much does over again, and test stand involves great expense; in case do over again, not only increased cost but also reduced the prestige on quality degree of enterprise.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, can accurately detect the performance test platforms such as oil cylinder rated pressure, working stroke, internal leak.
For achieving the above object, technological scheme provided by the present invention is: a kind of test platform for oil cylinder, it includes loading section, tested part, low pressure pump, high-pressure service pump, wherein, loading section is connected on the load pump by the 3rd electromagnetic relief valve, and load pump is connected with low pressure pump, high-pressure service pump; Tested part is connected between low pressure pump, the high-pressure service pump.
Described loading section includes the first solenoid directional control valve, load cylinder, the first electromagnetic relief valve, the second electromagnetic relief valve, the first liquid air one-way valve, the second liquid air one-way valve, wherein, the load cylinder two ends are connected to respectively the first liquid air one-way valve, the second liquid air one-way valve input end with the first electromagnetic relief valve with being connected respectively again after electromagnetic relief valve is connected; The first liquid air one-way valve, the second liquid air one-way valve output terminal are interconnected to form pressure dwelling loop; The first solenoid directional control valve one end is connected with the first liquid air one-way valve, the second liquid air one-way valve output terminal, and the other end is connected on the load pump.
Described tested part includes the second solenoid directional control valve, tested oil cylinder, the first pressure gauge, the second pressure gauge, the 3rd liquid air one-way valve the 4th liquid air one-way valve, wherein, tested oil cylinder two ends are connected to respectively the 3rd liquid air one-way valve, the 4th liquid air one-way valve input end respectively with after the first pressure gauge, the second pressure gauge are connected again; The 3rd liquid air one-way valve, the 4th liquid air one-way valve output terminal are interconnected to form pressure dwelling loop; The second solenoid directional control valve one end is connected with the 3rd liquid air one-way valve, the 4th liquid air one-way valve output terminal, and the other end is connected between low pressure pump and the high-pressure service pump.
The present invention is after having adopted such scheme, native system adopts the high-pressure service pump of the low pressure pump of a high flow capacity, low-pressure and high pressure, low discharge as the regulation and control pump of test platform, during test, according to the difference of the rated pressure of oil cylinder, regulate the needed pressure of cylinder body of different-diameter by the liquid air one-way valve.When the test be little cylinder the time, low pressure pump cuts out, adopting high-pressure service pump to test gets final product, when the test be vat the time, simultaneously low pressure pump is opened, in test process, exert pressure at any time tested oil cylinder by the oil cylinder of loading section, observe the seepage situation that pressure gauge is tested tested oil cylinder by pressure dwelling loop.
Description of drawings
Fig. 1 is electrical schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with institute's drawings attached, preferred embodiment of the present invention is: referring to accompanying drawing 1, the described test platform of present embodiment includes loading section 1, tested part 2, low pressure pump 6, high-pressure service pump 7 wherein, loading section 1 is connected on the load pump 5 by the 3rd electromagnetic relief valve 4, and load pump 5 is connected with low pressure pump 6, high-pressure service pump 7; Tested part 2 is connected between low pressure pump 6, the high-pressure service pump 7.Loading section 1 includes the first solenoid directional control valve 3, load cylinder 8, the first electromagnetic relief valve 9, the second electromagnetic relief valve 10, the first liquid air one-way valve 11, the second liquid air one-way valve 12, wherein, load cylinder 8 two ends are connected to respectively the first liquid air one-way valve 11, the second liquid air one-way valve 12 input ends with the first electromagnetic relief valve 9 with being connected respectively again after electromagnetic relief valve 10 is connected; The first liquid air one-way valve 11, the second liquid air one-way valve 12 output terminals are interconnected to form pressure dwelling loop; The first solenoid directional control valve 3 one ends are connected with the first liquid air one-way valve 11, the second liquid air one-way valve 12 output terminals, and the other end is connected on the load pump 5.Tested part 2 includes the second solenoid directional control valve 13, tested oil cylinder 14, the first pressure gauge 15, the second pressure gauge 16, the 3rd liquid air one-way valve 17, the 4th liquid air one-way valve 18, wherein, tested oil cylinder 14 two ends are connected to respectively the 3rd liquid air one-way valve 17, the 4th liquid air one-way valve 18 input ends respectively with after the first pressure gauge 15, the second pressure gauge 16 are connected again; The 3rd liquid air one-way valve 17, the 4th liquid air one-way valve 18 output terminals are interconnected to form pressure dwelling loop; The second solenoid directional control valve 13 1 ends are connected with the 3rd liquid air one-way valve 17, the 4th liquid air one-way valve 18 output terminals, and the other end is connected between low pressure pump 6 and the high-pressure service pump 7.Native system adopts the high-pressure service pump of the low pressure pump of a high flow capacity, low-pressure and high pressure, low discharge as the regulation and control pump of test platform, during test, according to the difference of the rated pressure of oil cylinder, regulate the needed pressure of cylinder body of different-diameter by the liquid air one-way valve.When the test be little cylinder the time, low pressure pump cuts out, adopting high-pressure service pump to test gets final product, when the test be vat the time, simultaneously low pressure pump is opened, in test process, exert pressure at any time tested oil cylinder by the oil cylinder of loading section, observe the seepage situation that pressure gauge is tested tested oil cylinder by pressure dwelling loop.
The embodiment of the above only is the present invention's preferred embodiment, is not to limit practical range of the present invention with this, so the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (3)
1. test platform that is used for oil cylinder, it is characterized in that: it includes loading section (1), tested part (2), low pressure pump (6), high-pressure service pump (7) wherein, loading section (1) is connected on the load pump (5) by the 3rd electromagnetic relief valve (4), and load pump (5) is connected with low pressure pump (6), high-pressure service pump (7); Tested part (2) is connected between low pressure pump (6), the high-pressure service pump (7).
2. a kind of test platform for oil cylinder according to claim 1, it is characterized in that: loading section (1) includes the first solenoid directional control valve (3), load cylinder (8), the first electromagnetic relief valve (9), the second electromagnetic relief valve (10), the first liquid air one-way valve (11), the second liquid air one-way valve (12), wherein, load cylinder (8) two ends are connected to respectively the first liquid air one-way valve (11), the second liquid air one-way valve (12) input end with the first electromagnetic relief valve (9) with being connected respectively again after electromagnetic relief valve (10) is connected; The first liquid air one-way valve (11), the second liquid air one-way valve (12) output terminal are interconnected to form pressure dwelling loop; The first solenoid directional control valve (3) one ends are connected with the first liquid air one-way valve (11), the second liquid air one-way valve (12) output terminal, and the other end is connected on the load pump (5).
3. a kind of test platform for oil cylinder according to claim 1, it is characterized in that: tested part (2) includes the second solenoid directional control valve (13), tested oil cylinder (14), the first pressure gauge (15), the second pressure gauge (16), the 3rd liquid air one-way valve (17), the 4th liquid air one-way valve (18), wherein, tested oil cylinder (14) two ends are connected to respectively the 3rd liquid air one-way valve (17), the 4th liquid air one-way valve (18) input end respectively with after the first pressure gauge (15), the second pressure gauge (16) are connected again; The 3rd liquid air one-way valve (17), the 4th liquid air one-way valve (18) output terminal are interconnected to form pressure dwelling loop; The second solenoid directional control valve (13) one ends are connected with the 3rd liquid air one-way valve (17), the 4th liquid air one-way valve (18) output terminal, and the other end is connected between low pressure pump (6) and the high-pressure service pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105034560A CN102979785A (en) | 2012-12-01 | 2012-12-01 | Test platform for oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105034560A CN102979785A (en) | 2012-12-01 | 2012-12-01 | Test platform for oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN102979785A true CN102979785A (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105034560A Pending CN102979785A (en) | 2012-12-01 | 2012-12-01 | Test platform for oil cylinder |
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| CN (1) | CN102979785A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836026A (en) * | 2014-03-27 | 2014-06-04 | 徐州徐工液压件有限公司 | Extending arm oil cylinder test device and hydraulic control system thereof |
| CN104776086A (en) * | 2015-04-01 | 2015-07-15 | 浙江大学 | Remanufactured oil cylinder performance detection platform |
| CN105822623A (en) * | 2016-04-27 | 2016-08-03 | 安徽合力股份有限公司 | Hydraulic testing system for hydraulic oil cylinder detection |
| CN105840584A (en) * | 2016-05-20 | 2016-08-10 | 四川长江液压天成机械有限公司 | Pump testing unit and testing method used for multi-tandem valve test bed |
| CN106837932A (en) * | 2017-03-06 | 2017-06-13 | 山东钢铁股份有限公司 | Detection means and detection method are let out in a kind of conticaster crystallizer vibrating servoBcylinder |
| CN111779730A (en) * | 2019-04-03 | 2020-10-16 | 北京长征天民高科技有限公司 | Double-acting oil cylinder test bed and test method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836026A (en) * | 2014-03-27 | 2014-06-04 | 徐州徐工液压件有限公司 | Extending arm oil cylinder test device and hydraulic control system thereof |
| CN103836026B (en) * | 2014-03-27 | 2016-04-27 | 徐州徐工液压件有限公司 | A kind of semi-girder cylinder testing device and hydraulic control system thereof |
| CN104776086A (en) * | 2015-04-01 | 2015-07-15 | 浙江大学 | Remanufactured oil cylinder performance detection platform |
| CN105822623A (en) * | 2016-04-27 | 2016-08-03 | 安徽合力股份有限公司 | Hydraulic testing system for hydraulic oil cylinder detection |
| CN105840584A (en) * | 2016-05-20 | 2016-08-10 | 四川长江液压天成机械有限公司 | Pump testing unit and testing method used for multi-tandem valve test bed |
| CN106837932A (en) * | 2017-03-06 | 2017-06-13 | 山东钢铁股份有限公司 | Detection means and detection method are let out in a kind of conticaster crystallizer vibrating servoBcylinder |
| CN111779730A (en) * | 2019-04-03 | 2020-10-16 | 北京长征天民高科技有限公司 | Double-acting oil cylinder test bed and test method thereof |
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Application publication date: 20130320 |