CN201212849Y - Energy saving type hydraulic sealed experiment platform - Google Patents
Energy saving type hydraulic sealed experiment platform Download PDFInfo
- Publication number
- CN201212849Y CN201212849Y CNU2008200377277U CN200820037727U CN201212849Y CN 201212849 Y CN201212849 Y CN 201212849Y CN U2008200377277 U CNU2008200377277 U CN U2008200377277U CN 200820037727 U CN200820037727 U CN 200820037727U CN 201212849 Y CN201212849 Y CN 201212849Y
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- piston
- valve
- groove
- oil cylinder
- cylinder
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- Expired - Lifetime
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an energy-saving hydraulic seal experimental bench composed of an experimental oil cylinder, an experimental oil cylinder driving loop and a loading loop. The experimental bench is characterized in that the experimental oil cylinder is composed of a left cylinder head, a left guide sleeve, a cylinder tube, a piston, a piston rod, a right guide sleeve and a right cylinder head; the experimental oil cylinder driving loop comprises a variable displacement pump, a safety valve, a filter, an electromagnetic valve, and the like; and the loading loop comprises a variable displacement pump, an overflow valve, a filter, an electromagnetic valve, an accumulator and a break valve. The utility model is used for carrying out experiments to various sealing rings of the piston and the piston rod and online detecting the sealing performance, the tribological property and the manufacturing quality of the sealing elements. The experimental bench can simultaneously carry out the experiments to a plurality of tested sealing elements, thereby the testing speed and the pressure are adjustable, and the energy-saving effect is very good.
Description
Technical field
The utility model relates to a kind of experiment table that is used to detect the combination property of hydraulic seal element, especially a kind of energy-saving hydraulic sealing experimental bench.
Background technology
Seal is the critical elements that prevents oil liquid leakage in the hydraulic system, and its sealing property and abrasion resistance can produce material impact to the reliability of whole hydraulic system.At present, the detection of newly developing seal element is also lacked effective technical means, generally the method for Cai Yonging is: using general friction wear testing machine that encapsulant is carried out the tribology test, mainly is to detect tribological properties such as its friction factor, wearing quality; Because the friction duty of this test, pair materials, surface in contact situation, lubricating system etc. have a great difference with the operating position of seal element in the actual hydraulic pressure system, then the result who is drawn with this test also can only provide reference frame for understanding its tribological property in the actual hydraulic pressure system; And this test also can't be understood the leakage performance of seal element in the actual hydraulic pressure system, can't pass judgment on the process and assemble quality of seal element; Therefore, if newly Yan Zhi seal element only whereby the test just be applied to then cause serious harmful effect to machinery and equipment possibly in the actual hydraulic pressure system.Though people also often directly are assemblied in seal element on the tested Hydraulic Elements (as hydraulic cylinder), together carry out reliability service life experiment with it; But its energy loss height, and because its test unit mainly examines is not seal element, then resulting seal element performance data is very limited.In addition, the seal element manufacturing enterprise that has in addition also exist seal product to new production without any detection with regard to direct applied situation, this may influence the reliability level of plant equipment on the one hand, on the other hand, can not provide believable operating life data for the user who adopts this seal element.Therefore, at the hydraulic seal element, a kind of energy-saving effect significantly, can its sealing property of online detection, the experiment table of abrasion resistance just arisen at the historic moment.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes prior art, and a kind of energy-saving hydraulic sealing experimental bench and method thereof are provided.This energy-saving hydraulic sealing experimental bench experimentizes to piston and piston rod lip-type seal circle, can its sealing property of online detection, the workmanship of tribological property and seal; Experiment table can experimentize to a plurality of tested seals simultaneously, and test speed, adjustable in pressure have splendid energy-saving effect.For the combination property that detects the hydraulic seal element provides reliable research technique.
The technical solution of the utility model is achieved by the following technical solution: a kind of energy-saving hydraulic sealing experimental bench is made up of experiment oil cylinder, experiment hydraulic oil cylinder driving loop and loading loop; It is characterized in that: described experiment oil cylinder is made up of left cylinder cap, left orienting sleeve, cylinder barrel, piston, piston rod, right orienting sleeve, right cylinder cap.At the two ends of cylinder barrel left and right sides end cap is installed, left and right sides end cap is connected with cylinder barrel by screw thread, and piston, left orienting sleeve and right orienting sleeve are housed in cylinder barrel.Piston and piston rod are fixed together by 2 elastic springs.The centre position of the external cylindrical surface of piston has an annular groove, and is processed with a radial direction through hole a through this groove; All be processed with the multiple tracks annular groove that is used for mounting support ring and tested seal element in the both sides of this groove; Tested seal element mounted in pairs is processed with the radial hole b and the axial hole c that are interconnected in the groove both sides on piston rod, this radial hole b is connected with radial direction through hole a on the piston.Left side orienting sleeve is fixed in the left side endoporus of cylinder barrel by left cylinder cap; The centre position on the orienting sleeve endoporus face of cylinder, a left side has an annular groove, and is processed with a radial direction through hole d through this groove, all is processed with the multiple tracks annular groove that is used for mounting support ring and sealed element in the both sides of this groove; Tested seal element mounted in pairs is in the groove both sides, if tested seal element is a lip type circle, then its lip should face toward groove; Radial direction through hole d is connected with the radial hole and the tubing sub in cylinder barrel left side; Between left side orienting sleeve and the piston rod dust ring is installed also, and O-ring seal is installed between the cylinder barrel.
Described experiment hydraulic oil cylinder driving loop is made up of elements such as variable output pump, safety valve, filtrator, solenoid valves, and variable output pump is manual variable output pump, and safety valve is installed between its outlet and the fuel tank; In experiment hydraulic oil cylinder driving loop, three position four-way electromagnetic valve and return filter are installed.
Described loading loop comprises fixed displacement pump, surplus valve, filtrator, solenoid valve, accumulator and stop valve.Fixed displacement pump is the high pressure fixed displacement pump, between its outlet and the fuel tank electromagnetic relief valve is installed; On the loading loop, filtrator, solenoid valve, accumulator and stop valve are installed also.
On the support that is used for the installation test oil cylinder, be fixed with two proximity transducers, provide signal for the solenoid valve commutation with it.
Owing to adopt technique scheme, can make this utility model be used for piston and all kinds of O-ring seals of piston rod are experimentized, can its sealing property of online detection, the workmanship of tribological property and seal; Experiment table can experimentize to a plurality of tested seals simultaneously, and test speed, adjustable in pressure have splendid energy-saving effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples;
Accompanying drawing is a structural representation of the present utility model;
Among the figure, 1 proximity transducer; 2 left end caps; 3 left orienting sleeves; 4 stop valves; 5 cylinder barrels; 6 accumulators; 7 stop valves; 8 stop valves; 9 piston rods; 10 accumulators; 11 stop valves; 12 dust rings; 13 sustained rings; 14 tested sealings; 15 pistons; 16 tested sealings; 17 tested sealings; 18 sustained rings; 19 right orienting sleeves; 20 right end caps; 21 stop valves; 22 solenoid valves; 23 variable output pumps; 24 safety valve; 25 filtrators; 26 fixed displacement pumps; 27 surplus valves; 28 solenoid valves; 29 filtrators; The a radial direction through hole; The b radial hole; The c axial hole; The d radial direction through hole.
Embodiment
With reference to accompanying drawing, the utility model is made up of experiment oil cylinder, experiment hydraulic oil cylinder driving loop and loading loop three parts; The experiment oil cylinder is made up of left cylinder cap (2), left orienting sleeve (3), cylinder barrel (5), piston (15), piston rod (9), right orienting sleeve (19), right cylinder cap (20).Cylinder barrel (5) adopts weldless steel tube, and the periphery at both ends is a helicitic texture; Radially process 4 radial direction through hole, and on the external cylindrical surface at each radial direction through hole place, respectively be welded with a tubing sub; Piston (15), left orienting sleeve (3) and right orienting sleeve (19) are housed in the cylinder barrel (5).
Left end cap (2) and right end cap (20) all are cylindrical structural, are processed with the relatively large threaded hole of less through hole in aperture and aperture along its axis, by screw thread left and right end cap and cylinder barrel are coupled together.
Piston (15) is fixed together by 2 elastic springs with piston rod (9).The centre position of the external cylindrical surface of piston has an annular groove, and is processed with a radial direction through hole (a) through this groove; All be processed with the multiple tracks annular groove that is used for mounting support ring and tested seal element (16) in the both sides of this groove; Tested seal element (16) mounted in pairs is in the groove both sides, if tested element is a lip type circle, then its lip should face toward groove.Be processed with the radial hole (b) and the axial hole (c) that are interconnected on piston rod (9), this radial hole (b) is connected with radial direction through hole (a) on the piston.
Left side orienting sleeve (3) is fixed in the left side endoporus of cylinder barrel (5) by left cylinder cap (2); The centre position on orienting sleeve (3) the endoporus face of cylinder, a left side has an annular groove, and is processed with a radial direction through hole (d) through this groove, all is processed with the multiple tracks annular groove that is used for mounting support ring (13) and sealed element (14) in the both sides of this groove; Tested seal element (14) mounted in pairs is in the groove both sides, if tested seal element is a lip type circle, then its lip should face toward groove; Radial direction through hole (d) is connected with the radial hole and the tubing sub in cylinder barrel left side; Between left side orienting sleeve and the piston rod dust ring (12) is installed also, and O-ring seal is installed between the cylinder barrel.
The structure of right orienting sleeve (19) and and cylinder barrel (5) and piston rod (9) between assembly relation be entirely identical to left orienting sleeve (3) structure and and cylinder barrel and piston rod between assembly relation.
Described experiment hydraulic oil cylinder driving loop is made up of variable output pump (23), safety valve (24), filtrator (25), solenoid valve elements such as (22), and variable output pump (23) is manual variable output pump, and safety valve (24) is installed between its outlet and the fuel tank; In test oil cylinder driving loop, three position four-way electromagnetic valve (22) and return filter (25) are installed;
Described loading loop comprises fixed displacement pump (26), surplus valve (27), filtrator (29), solenoid valve (28), accumulator (6,10) and stop valve.Fixed displacement pump (26) is the high pressure fixed displacement pump, and electromagnetic relief valve (27) is installed between its outlet and the fuel tank; On the loading loop, filtrator (29), solenoid valve (28), accumulator (6,10) and stop valve are installed also.
Being fixed with two proximity transducers (1) on the support that is used for the installation test oil cylinder, is that solenoid valve (22) commutation provides signal with it.
The course of work of the present utility model is: earlier tested seal element is loaded on respectively on piston and the left and right orienting sleeve, connects hydraulic system.Each stop valve is all opened, and the solenoid directional control valve that operation loads in the loop is introduced pressure oil in piston and the left and right orienting sleeve in the annular groove, and accumulator is carried out topping up; When oil liquid pressure reaches setting value, stop valve is closed, make tested seal element place keep the force value that sets by accumulator.At this moment, control (testing in the hydraulic oil cylinder driving loop) solenoid directional control valve makes piston drive piston rod and make axially reciprocating in cylinder barrel, and the commutation of solenoid valve is controlled according to the signal that proximity transducer provides by electric-control system opportunity.
Stop valve (7,8) or stop valve (11,21) are all closed,, can detect the sealing property of tested seal element by observing the variation of relevant pressure table indication numerical value or indicated numerical value.On this basis, again stop valve (4) is closed, then can detect the sealing property of tested seal element in tested seal element in the left orienting sleeve or the right orienting sleeve separately.
Stop valve (7,11) is closed, other stop valve is all opened, make the solenoid directional control valve that loads in the loop be in meta, and according to the given time-delay of electric-control system, make electromagnetic relief valve constantly electric and dead electricity, then can carry out the variable load impulse test to sealed element.
By electric-control system, when making solenoid directional control valve be in meta, can make all sealed elements be in test under the same load pressure; When making the electromagnetism that loads in the loop change valve to be in position, a left side or right position, can make the tested seal element at piston place be in different load pressures and test with the tested seal element at piston rod place.
When needs are changed tested seal element, left cylinder cap and left orienting sleeve can be unloaded, and piston is pulled out from the left side of cylinder barrel together with piston rod.
Because the load in the piston motion process little (only need overcome the frictional resistance between frictional resistance, piston rod and the left and right sides orienting sleeve between piston and the cylinder barrel), and when the pressure in the loading loop reached setting value, high pressure fixed displacement pump (26) promptly unloaded or stall.
The utility model has been successfully used to piston and piston rod lip-type seal circle are experimentized.
Claims (4)
1, a kind of energy-saving hydraulic sealing experimental bench is made up of experiment oil cylinder, experiment hydraulic oil cylinder driving loop and loading loop three parts; It is characterized in that: described experiment oil cylinder is made up of left cylinder cap, left orienting sleeve, cylinder barrel, piston, piston rod, right orienting sleeve, right cylinder cap; At the two ends of cylinder barrel left and right sides end cap is installed, left and right sides end cap is connected with cylinder barrel by screw thread, and piston, left orienting sleeve and right orienting sleeve are housed in cylinder barrel; Piston and piston rod are fixed together by 2 elastic springs; The centre position of the external cylindrical surface of piston has an annular groove, and is processed with a radial direction through hole a through this groove; All be processed with the multiple tracks annular groove that is used for mounting support ring and tested seal element in the both sides of this groove; Tested seal element mounted in pairs is processed with the radial hole b and the axial hole c that are interconnected in the groove both sides on piston rod, this radial hole b is connected with radial hole a on the piston; Left side orienting sleeve is fixed in the left side endoporus of cylinder barrel by left cylinder cap; The centre position on the orienting sleeve endoporus face of cylinder, a left side has an annular groove, and is processed with a radial direction through hole d through this groove, all is processed with the multiple tracks annular groove that is used for mounting support ring and sealed element in the both sides of this groove; Tested seal element mounted in pairs is in the groove both sides, if tested seal element is a lip type circle, then its lip should face toward groove; Radial hole d is connected with the radial hole and the tubing sub in cylinder barrel left side; Between left side orienting sleeve and the piston rod dust ring is installed also, and O-ring seal is installed between the cylinder barrel.
2, a kind of energy-saving hydraulic sealing experimental bench according to claim 1, it is characterized in that: described experiment hydraulic oil cylinder driving loop is made up of variable output pump, safety valve, filtrator, electromagnetic valve element, variable output pump is manual variable output pump, between its outlet and the fuel tank safety valve is installed; In test oil cylinder driving loop, three position four-way electromagnetic valve and return filter are installed.
3, a kind of energy-saving hydraulic sealing experimental bench according to claim 1 is characterized in that: described loading loop comprises fixed displacement pump, surplus valve, filtrator, solenoid valve, accumulator and stop valve; Fixed displacement pump is the high pressure fixed displacement pump, between its outlet and the fuel tank electromagnetic relief valve is installed; On the loading loop, filtrator, solenoid valve, accumulator and stop valve are installed also.
4, a kind of energy-saving hydraulic sealing experimental bench according to claim 1 is characterized in that: be fixed with two proximity transducers on the support that is used to install the experiment oil cylinder, provide signal with it for solenoid valve commutates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377277U CN201212849Y (en) | 2008-07-01 | 2008-07-01 | Energy saving type hydraulic sealed experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377277U CN201212849Y (en) | 2008-07-01 | 2008-07-01 | Energy saving type hydraulic sealed experiment platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212849Y true CN201212849Y (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200377277U Expired - Lifetime CN201212849Y (en) | 2008-07-01 | 2008-07-01 | Energy saving type hydraulic sealed experiment platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212849Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606556A (en) * | 2012-03-31 | 2012-07-25 | 徐州铭硕机械科技有限公司 | Automatic volume compensated synchronous flow distribution device |
| CN115750515A (en) * | 2022-10-26 | 2023-03-07 | 武汉船用机械有限责任公司 | A marine hydraulic cylinder device |
| CN116539226A (en) * | 2023-05-06 | 2023-08-04 | 青岛睿辰新材料科技有限公司 | A seal detection device |
-
2008
- 2008-07-01 CN CNU2008200377277U patent/CN201212849Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606556A (en) * | 2012-03-31 | 2012-07-25 | 徐州铭硕机械科技有限公司 | Automatic volume compensated synchronous flow distribution device |
| CN102606556B (en) * | 2012-03-31 | 2014-06-11 | 徐州铭硕机械科技有限公司 | Automatic volume compensated synchronous flow distribution device |
| CN115750515A (en) * | 2022-10-26 | 2023-03-07 | 武汉船用机械有限责任公司 | A marine hydraulic cylinder device |
| CN116539226A (en) * | 2023-05-06 | 2023-08-04 | 青岛睿辰新材料科技有限公司 | A seal detection device |
| CN116539226B (en) * | 2023-05-06 | 2025-08-26 | 青岛睿辰新材料科技有限公司 | A sealing component detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080701 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |