CN202748205U - Air-tightness testing system of tractor box body - Google Patents
Air-tightness testing system of tractor box body Download PDFInfo
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- CN202748205U CN202748205U CN 201220334305 CN201220334305U CN202748205U CN 202748205 U CN202748205 U CN 202748205U CN 201220334305 CN201220334305 CN 201220334305 CN 201220334305 U CN201220334305 U CN 201220334305U CN 202748205 U CN202748205 U CN 202748205U
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Abstract
The utility model discloses an air-tightness testing system of a tractor box body, wherein the air-tightness testing system comprises an air pressure leakage detector and further comprises a conveying device, a track, a compressing and sealing device and a bracket; the bracket is a rectangular frame structure and comprises upright posts at four sides and a transverse beam on the top; the track is arranged below the bracket; the conveying device comprises a bearing frame, a front shaft, a rear shaft, a left support base and a right support base; the compressing and sealing device comprises a first cylinder, a second cylinder, a third cylinder, a guide rail, a long pressure plate and a short pressure plate; the guide rail is arranged below the transverse beam on the top of the bracket; the first cylinder, the second cylinder and the guide rail are movably connected respectively and connected with the long pressure plate through a connection mechanism; the third cylinder and the guide rail are movably connected and connected with the short pressure plate through another connection mechanism; an air inlet is arranged on the long pressure plate and connected with an air outlet of the air pressure leakage detector; and an air inlet of the air pressure leakage detector is connected with a high-pressure air source through an oil-water separator and a pressure adjusting valve.
Description
Technical field
The utility model relates to a kind of tractor casing air-tight test system.
Background technology
Prior art is to tractor casing air-tight test, common way is: at first the tractor casing is loaded onto to enter in the pond by traveling crane after lifter forms sealing, then in the tractor casing, inject the higher gas of air pressure, air pressure generally will reach 0.7MPa, by the mode of manual observation, check on the water surface bubble whether occurs at last.If occur bubble on the water surface, illustrate that tractor casing composition surface or product parts have leakage, if there is not bubble on the water surface, illustrate that tractor casing composition surface and product parts are without leakage.In the above-mentioned tractor casing air-tight test, owing to check whether occur bubble on the water surface by the mode of manual observation, therefore the tiny micropore of tractor casing is leaked and be not easy inspection out.Owing to need higher air pressure to enter in the tractor casing, therefore cause easily the damage of oil sealing and paper gasket in the tractor casing.Because the tractor casing carries out air-tight test in water, easy ponding in the tractor casing, thus cause easily the corrosion of axle, bearing and casing body in the tractor casing.
The utility model content
The technical problems to be solved in the utility model provides a kind of tractor casing air-tight test system, this air-tight test system not only can check out that the tiny micropore of tractor casing leaks, and can avoid the damage of oil sealing and paper gasket in the tractor casing and the corrosion of axle, bearing and casing body.
For solving the problems of the technologies described above, a kind of tractor casing of the utility model air-tight test system contains the air pressure leakage detector, also contains conveying arrangement, track, pressed sealing device and support, support is the framed structure of rectangular parallelepiped, the column around comprising and the crossbeam on the top; Track is arranged on the below of support, and an end of track is positioned at support, and the other end of track is positioned at outside the support; Conveying arrangement contains carrier, front axle, rear axle, left supporting base and right supporting base, front axle and rear axle are separately positioned on front side and the rear side of carrier below, front-wheel and trailing wheel are housed respectively on front axle and the rear axle, front-wheel and trailing wheel are positioned on the track, left supporting base and right supporting base are separately positioned on the carrier, and left supporting base and right supporting base lay respectively at left side and the right side of carrier; Pressed sealing device contains the first cylinder, the second cylinder, the 3rd cylinder, guide rail, long pressing plate and short pressing plate, the first cylinder, the shape of the second cylinder and the 3rd cylinder is identical with structure, guide rail is arranged on the below of described support top cross-bar, the first cylinder is connected by web joint with the second cylinder, the first cylinder and the second cylinder consist of flexible connection with guide rail respectively, the first cylinder and the second cylinder can move along guide rail, the piston rod of the piston rod of the first cylinder and the second cylinder all is connected with long pressing plate by bindiny mechanism, the bottom surface of long pressing plate is provided with rubber gasket, the rodless cavity of the first cylinder and the second cylinder is connected with right reversal valve by pipeline, the rod chamber of the first cylinder and the second cylinder is connected with right reversal valve by pipeline, right reversal valve links to each other with high-pressure air source by pipeline, right reversal valve is arranged on the right reversal valve support plate, right reversal valve support plate and guide rail consist of flexible connection, and right reversal valve support plate can move along guide rail; The 3rd cylinder and guide rail consist of flexible connection, the 3rd cylinder can move along guide rail, the piston rod of the 3rd cylinder is connected with short pressing plate by another one bindiny mechanism, the bottom surface of short pressing plate is provided with the another one rubber gasket, the rodless cavity of the 3rd cylinder is connected with left reversal valve by pipeline, the rod chamber of the 3rd cylinder is connected with left reversal valve by pipeline, left reversal valve links to each other with high-pressure air source by pipeline, left reversal valve is arranged on the left reversal valve support plate, left reversal valve support plate and guide rail consist of flexible connection, left reversal valve support plate can move along guide rail, long pressing plate is provided with air intake opening, air intake opening is provided with inlet suction port, inlet suction port is connected by the gas outlet of pipeline with the air pressure leakage detector, the air intake opening of air pressure leakage detector is connected with high-pressure air source by oil-water separator and pressure regulator valve, bindiny mechanism between described the first cylinder piston rod and the second cylinder piston rod and the long pressing plate, and the another one bindiny mechanism between the 3rd cylinder piston rod and the short pressing plate, in shape with textural identical.
Track bolt is contained in bindiny mechanism, spheric washer and gland, the center of top of gland is provided with through hole, track bolt is three stage column structures, large stage body is arranged in the top of stage body, lower platform body is arranged in the below of stage body, the side face of lower platform body is provided with screw thread, the center of top of large stage body is provided with threaded hole, spheric washer and gland are sleeved on the middle stage body successively, there is the gap between the through hole of gland center of top and the middle stage body, be set with successively packing ring and set nut on the lower platform body, the external diameter of packing ring is greater than the external diameter of middle stage body, there is the gap between the inwall at packing ring and gland top, being bolted on the long pressing plate of gland, the threaded hole that large stage body center of top is provided with is sleeved on the first cylinder piston rod, on the screw thread that the second cylinder piston rod or the 3rd cylinder piston rod are provided with.
The position-adjustable of described left supporting base on left and right directions.
One end of described track is provided with limiting plate, and limiting plate is provided with set screw.
During above-mentioned tractor casing air-tight test system work, at first by driving the tractor casing is hung on the conveying arrangement, then be pushed into the below of pressed sealing device, by the first cylinder and the second cylinder, the 3rd cylinder respectively will long pressing plate, short pressing plate is pressed on the seal of tractor casing, the pressure set points of air pressure leakage detector is 10.2KPa, then in the tractor casing, inflated about 40 seconds, after reaching 10.2 KPa, pressurize 1 minute, when the green light on the air pressure leakage detector is bright, illustrate that the tractor casing is without leakage; When the when red on the air pressure leakage detector, illustrate that the tractor casing has leakage.In above-mentioned air-tight test process, the air pressure in the tractor casing only is 10.2 KPa, therefore can not cause the damage of oil sealing and paper gasket in the tractor casing; Because above-mentioned air-tight test does not need water, therefore can not cause the corrosion of axle, bearing and casing body; Because the air pressure leakage detector is highly sensitive, can check out that therefore the tiny micropore of tractor casing leaks.
Description of drawings
Fig. 1 is the structural representation of the utility model tractor casing air-tight test system.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the local enlarged diagram of Fig. 1.
1. supports among the figure, 2. track, 3. front revolver, 4. front axle, 5. carrier, 6. left supporting base, 7. right supporting base, 8. tractor casing, 9. oil-water separator is 10. lacked pressing plate, 11. the 3rd bindiny mechanisms, 12. the 3rd cylinder piston rod, 13. the 3rd cylinders, 14. air pressure leakage detectors, 15. crossbeam, 16. guide rails, 17. left reversal valves, 18. left reversal valve support plate, 19. first cylinders, 20. web joints, 21. right reversal valve, 22. second cylinders, 23. first cylinder piston rods, 24. large stage body, 25. spheric washers, stage body in 26., 27. packing ring, 28. set nuts, 29. long pressing plates, 30. gland, 31. front right wheels, 32. inlet suction ports, 33. lower platform body, 34. pressure regulator valves, 35. rubber gaskets, 36. limiting plate, 37. set screw, 38. rear revolvers.
Embodiment
Among Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of tractor casing air-tight test system contains air pressure leakage detector 14, also contains conveying arrangement, track 2, pressed sealing device and support 1.Support 1 is the framed structure of rectangular parallelepiped, column and the crossbeam on the top 15 around comprising.Track 2 is arranged on the below of support 1, and an end of track 2 is positioned at support 1, and the other end of track 2 is positioned at outside the support 1.Conveying arrangement contains carrier 5, front axle 4, rear axle, left supporting base 6 and right supporting base 7, front axle 4 and rear axle are separately positioned on front side and the rear side of carrier 5 belows, the respectively front revolver 3 of the left end of front axle 4 and right-hand member and front right wheel 31, the left end of rear axle and right-hand member are equipped with respectively rear revolver 38 and rear right wheel, revolver 3 and front right wheel 31 and rear revolver 38 and rear right wheel are positioned on the track, left supporting base 6 and right supporting base 7 are separately positioned on the carrier 5, and left supporting base 6 and right supporting base 7 lay respectively at left side and the right side of carrier 5.Pressed sealing device contains the first cylinder 19, the second cylinder 22, the 3rd cylinder 13, guide rail 16, long pressing plate 29 and short pressing plate 10.The shape of the first cylinder 19, the second cylinder 22 and the 3rd cylinder 13 is identical with structure.Guide rail 16 is arranged on the below of described support 1 top cross-bar 15.The first cylinder 19 is connected by web joint 20 with the second cylinder 22, and the first cylinder 19 and the second cylinder 22 consist of flexible connection with guide rail 16 respectively, and the first cylinder 19 and the second cylinder 22 can move along guide rail 16.The piston rod of the first cylinder piston rod 23 and the second cylinder 22 all is connected with long pressing plate 29 by bindiny mechanism, and the bottom surface of long pressing plate 29 is provided with rubber gasket 35.The rodless cavity of the first cylinder 19 and the second cylinder 22 is connected with right reversal valve 21 by pipeline, the rod chamber of the first cylinder 19 and the second cylinder 22 is connected with right reversal valve 21 by pipeline, right reversal valve 21 links to each other with high-pressure air source by pipeline, right reversal valve 21 is arranged on the right reversal valve support plate, right reversal valve support plate and guide rail 16 consist of flexible connection, and right reversal valve support plate can move along guide rail 16.The 3rd cylinder 13 consists of flexible connection with guide rail 16, and the 3rd cylinder 13 can move along guide rail 16, and the 3rd cylinder piston rod 12 is connected with short pressing plate 10 by the 3rd bindiny mechanism 11, and the bottom surface of short pressing plate 10 is provided with the another one rubber gasket.The rodless cavity of the 3rd cylinder 13 is connected with left reversal valve 17 by pipeline, and the rod chamber of the 3rd cylinder 13 is connected with left reversal valve 17 by pipeline, and left reversal valve 17 links to each other with high-pressure air source by pipeline.Left reversal valve 17 is arranged on the left reversal valve support plate 18, and left reversal valve support plate 18 consists of flexible connection with guide rail 16, and left reversal valve support plate 18 can move along guide rail 16.Long pressing plate 29 is provided with air intake opening, air intake opening is provided with inlet suction port 32, inlet suction port 32 is connected by the gas outlet of pipeline with air pressure leakage detector 14, and the air intake opening of air pressure leakage detector 14 is connected with high-pressure air source by oil-water separator 9 and pressure regulator valve 34.The piston rod of described the first cylinder piston rod 23 and the second cylinder 22 and the bindiny mechanism between the long pressing plate 29, and the 3rd bindiny mechanism 11 between the 3rd cylinder piston rod 12 and the short pressing plate 10, in shape with textural identical.As shown in Figure 1 and Figure 4, take the bindiny mechanism between the first cylinder piston rod 23 and the long pressing plate 29 as example, track bolt, spheric washer 25 and gland 30 are contained in described bindiny mechanism, and the center of top of gland 30 is provided with through hole.Track bolt is three stage column structures, and large stage body 24 is arranged in the top of stage body 26, and lower platform body 33 is arranged in the below of stage body 26, and the side face of lower platform body 33 is provided with screw thread, and the center of top of large stage body 24 is provided with threaded hole.Spheric washer 25 and gland 30 are sleeved on the middle stage body 26 successively, have the gap between the through hole of gland 30 center of top and the middle stage body 26.Be set with successively packing ring 27 and set nut 28 on the lower platform body 33, there is the gap greater than the external diameter of middle stage body 26 in the external diameter of packing ring 27 between the inwall at packing ring 27 and gland 30 tops, being bolted on the long pressing plate 29 of gland 30.The threaded hole that large stage body 24 center of top are provided with is sleeved on the screw thread that the first cylinder piston rod 23 is provided with.For adapting to the tractor casing 8 of different length, the position-adjustable of described left supporting base 6 on left and right directions.For ease of adjusting the position of conveying arrangement on track 2, an end of described track 2 is provided with limiting plate 36, and limiting plate 36 is provided with set screw 37, as shown in Figure 3.During above-mentioned tractor casing air-tight test system work, at first by driving tractor casing 8 is hung on the left supporting base 6 and right supporting base 7 of conveying arrangement, then be pushed into the below of long pressing plate 29 and the short pressing plate 10 of pressed sealing device, by with the first cylinder 19 and the second cylinder 22, the 3rd cylinder 13 respectively will long pressing plate 29, short pressing plate 10 is pressed on the seal of tractor casing 8, the pressure set points of air pressure leakage detector 14 is 10.2KPa, then in tractor casing 8, inflated about 40 seconds, after reaching 10.2 KPa, pressurize 1 minute, when the green light on the air pressure leakage detector 14 is bright, illustrate that tractor casing 8 is without leaking; When the when red on the air pressure leakage detector 14, illustrate that tractor casing 8 has leakage.In above-mentioned air-tight test process, the air pressure in the tractor casing 8 only are 10.2 KPa, therefore can not cause the damage of oil sealing and paper gasket in the tractor casing 8; Because above-mentioned air-tight test does not need water, therefore can not cause the corrosion of axle, bearing and casing body; Because air pressure leakage detector 14 is highly sensitive, can check out that therefore the tiny micropore of tractor casing leaks, it is the air pressure leakage detector of ATEQ D2P that air pressure leakage detector 14 can adopt model.
Claims (4)
1. tractor casing air-tight test system, contain the air pressure leakage detector, it is characterized in that: also contain conveying arrangement, track, pressed sealing device and support, support is the framed structure of rectangular parallelepiped, the column around comprising and the crossbeam on the top; Track is arranged on the below of support, and an end of track is positioned at support, and the other end of track is positioned at outside the support; Conveying arrangement contains carrier, front axle, rear axle, left supporting base and right supporting base, front axle and rear axle are separately positioned on front side and the rear side of carrier below, front-wheel and trailing wheel are housed respectively on front axle and the rear axle, front-wheel and trailing wheel are positioned on the track, left supporting base and right supporting base are separately positioned on the carrier, and left supporting base and right supporting base lay respectively at left side and the right side of carrier; Pressed sealing device contains the first cylinder, the second cylinder, the 3rd cylinder, guide rail, long pressing plate and short pressing plate, the first cylinder, the shape of the second cylinder and the 3rd cylinder is identical with structure, guide rail is arranged on the below of described support top cross-bar, the first cylinder is connected by web joint with the second cylinder, the first cylinder and the second cylinder consist of flexible connection with guide rail respectively, the first cylinder and the second cylinder can move along guide rail, the piston rod of the piston rod of the first cylinder and the second cylinder all is connected with long pressing plate by bindiny mechanism, the bottom surface of long pressing plate is provided with rubber gasket, the rodless cavity of the first cylinder and the second cylinder is connected with right reversal valve by pipeline, the rod chamber of the first cylinder and the second cylinder is connected with right reversal valve by pipeline, right reversal valve links to each other with high-pressure air source by pipeline, right reversal valve is arranged on the right reversal valve support plate, right reversal valve support plate and guide rail consist of flexible connection, and right reversal valve support plate can move along guide rail; The 3rd cylinder and guide rail consist of flexible connection, the 3rd cylinder can move along guide rail, the piston rod of the 3rd cylinder is connected with short pressing plate by another one bindiny mechanism, the bottom surface of short pressing plate is provided with the another one rubber gasket, the rodless cavity of the 3rd cylinder is connected with left reversal valve by pipeline, the rod chamber of the 3rd cylinder is connected with left reversal valve by pipeline, left reversal valve links to each other with high-pressure air source by pipeline, left reversal valve is arranged on the left reversal valve support plate, left reversal valve support plate and guide rail consist of flexible connection, left reversal valve support plate can move along guide rail, long pressing plate is provided with air intake opening, air intake opening is provided with inlet suction port, inlet suction port is connected by the gas outlet of pipeline with the air pressure leakage detector, the air intake opening of air pressure leakage detector is connected with high-pressure air source by oil-water separator and pressure regulator valve, bindiny mechanism between described the first cylinder piston rod and the second cylinder piston rod and the long pressing plate, and the another one bindiny mechanism between the 3rd cylinder piston rod and the short pressing plate, in shape with textural identical.
2. a kind of tractor casing air-tight test system according to claim 1, it is characterized in that: track bolt is contained in bindiny mechanism, spheric washer and gland, the center of top of gland is provided with through hole, track bolt is three stage column structures, large stage body is arranged in the top of stage body, lower platform body is arranged in the below of stage body, the side face of lower platform body is provided with screw thread, the center of top of large stage body is provided with threaded hole, spheric washer and gland are sleeved on the middle stage body successively, there is the gap between the through hole of gland center of top and the middle stage body, be set with successively packing ring and set nut on the lower platform body, the external diameter of packing ring is greater than the external diameter of middle stage body, there is the gap between the inwall at packing ring and gland top, being bolted on the long pressing plate of gland, the threaded hole that large stage body center of top is provided with is sleeved on the first cylinder piston rod, on the screw thread that the second cylinder piston rod or the 3rd cylinder piston rod are provided with.
3. a kind of tractor casing air-tight test system according to claim 1 is characterized in that: the position-adjustable of described left supporting base on left and right directions.
4. a kind of tractor casing air-tight test system according to claim 1, it is characterized in that: an end of described track is provided with limiting plate, and limiting plate is provided with set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334305 CN202748205U (en) | 2012-07-11 | 2012-07-11 | Air-tightness testing system of tractor box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334305 CN202748205U (en) | 2012-07-11 | 2012-07-11 | Air-tightness testing system of tractor box body |
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| Publication Number | Publication Date |
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| CN202748205U true CN202748205U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220334305 Withdrawn - After Issue CN202748205U (en) | 2012-07-11 | 2012-07-11 | Air-tightness testing system of tractor box body |
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| CN (1) | CN202748205U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN104062086A (en) * | 2013-03-22 | 2014-09-24 | 上海众源燃油分配器制造有限公司 | Device for leak detection of fuel oil distributor assembly product |
| CN104198124A (en) * | 2014-09-01 | 2014-12-10 | 张家港市华机环保新能源科技有限公司 | Gastight frock of vaporizer |
| CN104236824A (en) * | 2014-09-05 | 2014-12-24 | 安徽伟嘉装备技术有限公司 | Speed changer DCT assembly gas tightness detecting technology |
| CN105136408A (en) * | 2015-09-11 | 2015-12-09 | 宁波市宇华电器有限公司 | Valve internal air tightness detection device |
| CN106197902A (en) * | 2016-07-22 | 2016-12-07 | 华中科技大学 | A kind of air tightness detection apparatus and method of servo-controlling thereof |
| CN106441740A (en) * | 2016-08-08 | 2017-02-22 | 山东汇力太阳能科技有限公司 | Flat-plate solar collector leakage test system |
| CN107971734A (en) * | 2017-12-30 | 2018-05-01 | 苏州富强科技有限公司 | A kind of online pressurizer |
| CN108000103A (en) * | 2017-12-30 | 2018-05-08 | 苏州富强科技有限公司 | A kind of automatic monitor of pressure pressure-keeping mechanism |
| CN108318184A (en) * | 2018-02-07 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of automatically heavy water leakage tester |
| CN108760195A (en) * | 2018-04-01 | 2018-11-06 | 冯建娟 | canned food detection device |
-
2012
- 2012-07-11 CN CN 201220334305 patent/CN202748205U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN102818685B (en) * | 2012-07-11 | 2014-11-19 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN104062086A (en) * | 2013-03-22 | 2014-09-24 | 上海众源燃油分配器制造有限公司 | Device for leak detection of fuel oil distributor assembly product |
| CN104198124A (en) * | 2014-09-01 | 2014-12-10 | 张家港市华机环保新能源科技有限公司 | Gastight frock of vaporizer |
| CN104236824A (en) * | 2014-09-05 | 2014-12-24 | 安徽伟嘉装备技术有限公司 | Speed changer DCT assembly gas tightness detecting technology |
| CN105136408A (en) * | 2015-09-11 | 2015-12-09 | 宁波市宇华电器有限公司 | Valve internal air tightness detection device |
| CN106197902A (en) * | 2016-07-22 | 2016-12-07 | 华中科技大学 | A kind of air tightness detection apparatus and method of servo-controlling thereof |
| CN106441740A (en) * | 2016-08-08 | 2017-02-22 | 山东汇力太阳能科技有限公司 | Flat-plate solar collector leakage test system |
| CN107971734A (en) * | 2017-12-30 | 2018-05-01 | 苏州富强科技有限公司 | A kind of online pressurizer |
| CN108000103A (en) * | 2017-12-30 | 2018-05-08 | 苏州富强科技有限公司 | A kind of automatic monitor of pressure pressure-keeping mechanism |
| CN108318184A (en) * | 2018-02-07 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of automatically heavy water leakage tester |
| CN108760195A (en) * | 2018-04-01 | 2018-11-06 | 冯建娟 | canned food detection device |
| CN108760195B (en) * | 2018-04-01 | 2020-03-31 | 安徽贝宝食品有限公司 | Canned food detection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20141119 |
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| RGAV | Abandon patent right to avoid regrant |