CN112577674A - Differential lock cylinder screws up leakage test device - Google Patents
Differential lock cylinder screws up leakage test device Download PDFInfo
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- CN112577674A CN112577674A CN202011403851.2A CN202011403851A CN112577674A CN 112577674 A CN112577674 A CN 112577674A CN 202011403851 A CN202011403851 A CN 202011403851A CN 112577674 A CN112577674 A CN 112577674A
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- differential lock
- cylinder
- lock cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a differential lock cylinder tightening leakage test device which comprises a pre-tightening area, a station cache area and a test area, wherein the pre-tightening area, the station cache area and the test area are sequentially arranged, the pre-tightening area comprises a fixed table for a rapid manual tool, the station cache area is used for placing differential lock cylinders and falling down in batches, the test area comprises a test table, a positioning device for positioning the differential lock cylinders, a pressing device and a sealing and blowing device capable of moving back and forth, the pressing device and the positioning device are arranged on the test table, and the sealing and blowing device is arranged on one side of the positioning device.
Description
Technical Field
The invention relates to the field of differential lock cylinders, in particular to a tightening leakage test device for a differential lock cylinder.
Background
The differential lock is a device used for locking a differential mechanism on an automobile, when the automobile slips on a muddy road, the differential lock concentrates power transmitted to wheels on two sides on one wheel, so that the automobile is trapped, a cylinder in the differential lock is an important part, one surface of the cylinder is connected with a main reducer shell on an automobile axle, the other surface of the cylinder is provided with a cylinder cover, and an inner cavity is provided with a piston with a sealing ring and slides in the inner cavity.
The cylinder is in the use, guarantees to screw up when needing to guarantee cylinder and joint assembly, and is airtight when ventilating, need to carry out the leak test to differential lock cylinder and joint before leaving the factory and check the leakproofness, designs a section and is used for screwing up detection device of differential lock cylinder now.
Disclosure of Invention
The invention aims to provide a differential lock cylinder screwing leakage test device, when the device is used, a joint, a clamp spring and an elastic washer which are sleeved with a 0-shaped ring are respectively placed on a fixed table, then a differential lock cylinder sleeve rotates around the clockwise direction outside the joint, the clamp spring and the elastic washer, and then the differential lock cylinder assembled with the joint is placed in a station cache region; after the station cache area is full, tightening the joint by using a pneumatic torque wrench with a set rated torque; then carrying out a leakage test on whether the joints are sealed in a test area one by using differential lock cylinders, firstly placing the differential lock cylinders on a positioning device of a test table for positioning, then downwards pressing and sealing two sides of the differential lock cylinders by using a pressing device, moving the pressing joint forward by using a sealing and blowing device for sealing and blowing air into the joints, soaking the differential lock cylinders in water in the test table, carefully observing whether bubbles are generated on the water surface, if so, determining that the differential lock cylinders are defective products, and putting the differential lock cylinders back to a station cache area; if not, the qualified product is placed on the other side, and the next procedure is conveniently carried out; leak testing is carried out to the differential lock cylinder after screwing up with the joint and the leakproofness is checked for the product percent of pass is higher, reduces staff intensity of labour.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides a differential lock cylinder screws up leakage test device, includes pretension district, station buffer memory district and inspection area, pretension district, station buffer memory district and inspection area set gradually, pretension district falls down in placing the differential lock cylinder and in batches including the fixed station that is used for quick manual frock, with the station buffer memory district, the inspection area includes the inspection bench, is used for positioner, closing device and the sealed gas blowing device of back-and-forth movement of differential lock cylinder location, closing device and positioner locate on the inspection bench, sealed gas blowing device locates positioner one side.
Preferably, the pre-tightening area comprises a tool table, the fixing table is fixed on the tool table, a hexagonal anti-rotation groove is formed in the top of the fixing table, and a positioning rod is arranged at the center of the anti-rotation groove.
Preferably, the station buffer area is including placing the platform, places the platform and fixes on the frock table, the frock table be equipped with place the logical groove of platform looks adaptation, place the bench be equipped with a plurality of screens grooves of placing the cylinder, the screens groove runs through and places the platform, it is equipped with the fly leaf that can the back-and-forth movement to place the platform bottom, fly leaf one side is equipped with the cylinder, first cylinder is fixed on the frock table, the projecting shaft and the fly leaf side fixed connection of first cylinder.
Preferably, the inspection table is provided with a groove, inspection liquid is placed in the groove, the groove is provided with a water outlet, and the water outlet is provided with a piston.
Preferably, closing device includes the bottom plate, and the bottom plate is fixed in the recess, and the bottom plate is equipped with a plurality of support columns all around, and the support column top is equipped with the roof, support column both ends respectively with bottom plate and roof fixed connection, be equipped with the second cylinder on the roof, the output shaft of second cylinder can stretch into between bottom plate and the roof, the output shaft bottom of second cylinder is equipped with fixed connection's compact heap, the compact heap below is equipped with and is used for sealed block rubber.
Preferably, the positioning device comprises a fixing plate and three positioning columns, the two sides of the fixing plate are provided with long round holes, the long round holes are connected with the bottom plate through bolts, the positioning columns can be spirally connected with the fixing plate, the fixing plate is provided with rubber sheets used for sealing, the rubber sheets are provided with through holes matched with the positioning columns, and the rubber sheets are arranged on the upper surface of the fixing plate.
Preferably, sealed gas blowing device includes the bottom plate, the handle, connecting rod and movable rod, be equipped with engaging lug and sliding sleeve on the bottom plate, the handle is L shape, the L shape front end and the engaging lug of handle rotatably are connected, the L shape right angle department and the connecting rod one end of handle rotatably are connected, the connecting rod other end rotatably is connected with movable rod one end, the movable rod can be around movably locating in the sliding sleeve, the movable rod front end is equipped with the air cock, the air cock side is equipped with the breather pipe, the other end and the air pump of breather pipe are connected.
Compared with the prior art, the differential lock cylinder screwing leakage test device adopting the technical scheme has the following beneficial effects:
by adopting the differential lock cylinder screwing leakage test device, the tightness is checked by testing leakage after the differential lock cylinder and the joint are screwed, so that the product percent of pass is higher, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic structural view of a differential lock cylinder tightening leakage test device.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is a schematic view showing the use state of the differential lock cylinder tightening leak test device.
Fig. 5 is an enlarged view of fig. 4 at C.
Fig. 6 is an enlarged view of fig. 4 at D.
Reference numerals: 1. a tooling table; 11. a fixed table; 12. an anti-rotation slot; 13. positioning a rod; 2. a station cache area; 21. a placing table; 22. a clamping groove; 23. a movable plate; 24. a first cylinder; 3. an inspection bench; 4. a positioning device; 41. a fixing plate; 42. a positioning column; 43. a rubber sheet; 5. a pressing device; 51. a base plate; 52. a support pillar; 53. a top plate; 54. a second cylinder; 55. a compression block; 56. a rubber block; 6. sealing the blowing device; 61. connecting lugs; 62. a sliding sleeve; 63. a handle; 64. a connecting rod; 65. a movable rod; 71. a joint; 72. a clamp spring; 73. an elastic washer; 8. a scrap box.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the differential lock cylinder tightening leakage test device comprises a pre-tightening area, a station buffer area 2 and a test area, the pre-tightening area, the station cache area 2 and the inspection area are sequentially arranged, the pre-tightening area comprises a fixed table 11 for a rapid manual tool, the station cache area 2 is used for placing the differential lock cylinders and falling down in batches, the inspection area comprises an inspection table 3, a positioning device 4 for positioning the differential lock cylinders, a pressing device 5 and a sealing air blowing device 6 capable of moving back and forth, the pressing device 5 and the positioning device 4 are arranged on the inspection table 3, the sealing air blowing device 6 is arranged on one side of the positioning device 4, when in use, the joint 71 sleeved with the 0-shaped ring, the clamp spring 72 and the elastic washer 73 are respectively placed on the fixed table 11, then the differential lock cylinder sleeve rotates clockwise around the joint 71, the clamp spring 72 and the elastic washer 73, and then the differential lock cylinder with the joint 71 assembled is placed in the station cache region 2; after the station cache region 2 is fully filled, tightening the joint 71 by using a pneumatic torque wrench with a set rated torque; then, carrying out a leakage test on whether the joints 71 are sealed in the inspection area one by the differential lock cylinders, firstly placing the differential lock cylinders on the positioning device 4 of the inspection table 3 for positioning, then pressing the two sides of the differential lock cylinders downwards by the pressing device 5 for sealing, moving the pressing joints 71 forwards by the sealing and blowing device 6 for sealing and blowing air into the joints 71, soaking the differential lock cylinders in the water in the inspection table 3, carefully observing whether bubbles are generated on the water surface, if so, placing the differential lock cylinders as defective products back to the station cache area 2; if not, the qualified product is placed on the other side, and the next procedure is conveniently carried out; leak testing is carried out to the differential lock cylinder after screwing up with joint 71 and the leakproofness is checked for the product qualification rate is higher, reduces staff intensity of labour.
The pretension area includes frock table 1, and fixed station 11 is fixed on frock table 1, and fixed station 11 top is equipped with hexagonal prevents that the rotating groove 12, effectively prevents to connect 71 card to go into the back and can not rotate, prevents that rotating groove 12 center is equipped with locating lever 13, and locating lever 13 is convenient for the cover establish connect 71, jump ring 72 and a plurality of parts of elastic washer 73, and it is rotatory clockwise on locating lever 13 to hold differential lock cylinder cover, until changeing motionless, convenient rapid Assembly.
The station cache region 2 comprises a placing table 21, the placing table 21 is fixed on a tool table 1, the tool table 1 is provided with a through groove matched with the placing table 21, a waste material frame 8 is arranged below the through groove, the placing table 21 is provided with a plurality of clamping grooves 22 for placing cylinders, the side surfaces of the clamping grooves 22 are provided with clamping grooves 22 matched with the differential lock cylinders, the clamping grooves 22 penetrate through the placing table 21, the bottom of the placing table 21 is provided with a movable plate 23 capable of moving back and forth, the middle parts of the two side surfaces of the movable plate 23 are provided with clamping strips, the placing table 21 is provided with movable grooves matched with the clamping strips, the movable plate 23 is arranged in the movable grooves in a way of moving back and forth through the clamping strips, one side of the movable plate 23 is provided with a cylinder, a first cylinder 24 is fixed on the tool table 1, an extension shaft of the first cylinder 24 is fixedly connected with the side surfaces of the movable plate 23, the, unqualified differential lock cylinder still is in screens groove 22, treats that the differential lock cylinder of a batch station buffer memory 2 detects the back that finishes, and first cylinder 24 starts, drives fly leaf 23 and moves to the inboard, and unqualified differential lock cylinder passes logical groove from screens groove 22 bottom and drops waste material frame 8.
The inspection bench 3 is provided with a groove, inspection liquid is placed in the groove and is water or oil, the water surface exceeds the upper surface of the differential lock cylinder, a water outlet is formed in the groove, the inspection liquid is cleaned after the use is finished, a piston is arranged on the water outlet, the depth of the groove is larger than that of the positioning device 4, and the positioning device 4 is located in the inspection liquid.
The positioning device 4 comprises a fixing plate 41 and three positioning columns 42, wherein long round holes are formed in two sides of the fixing plate 41 and are connected with a bottom plate 51 through bolts, the positioning columns 42 can be spirally connected with the fixing plate 41, threads are arranged below the positioning columns 42, guiding arcs are arranged at the tops of the positioning columns 42, threaded holes matched with the positioning columns 42 are formed in the fixing plate 41, three clamping holes are formed in differential lock cylinders, and the positions of the three positioning columns 42 are matched with the positions of the three clamping holes of the differential lock cylinders; the fixing plate 41 is provided with a rubber sheet 43 for sealing, the rubber sheet 43 is provided with a through hole matched with the positioning column 42, and the rubber sheet 43 is arranged on the upper surface of the fixing plate 41.
The sealed air blowing device 6 comprises a bottom plate 51, a handle 63, a connecting rod 64 and a movable rod 65, wherein the bottom plate 51 is provided with a connecting lug 61 and a sliding sleeve 62, the handle 63 is L-shaped, the L-shaped front end of the handle 63 is rotatably connected with the connecting lug 61, the L-shaped right angle of the handle 63 is rotatably connected with one end of the connecting rod 64, the other end of the connecting rod 64 is rotatably connected with one end of the movable rod 65, the movable rod 65 can be movably arranged in the sliding sleeve 62 in a front-back manner, the front end of the movable rod 65 is provided with an air nozzle, the side surface of the air nozzle is; the handle 63 is held by hand to push forwards, the movable rod 65 is driven to move forwards, the air faucet is inserted into the interface of the air cylinder of the differential lock and is pressed tightly by the front end of the movable rod 65, the air pump is started, air is fed into the air cylinder of the differential lock through the air faucet, the air cylinder of the differential lock is completely soaked in liquid, whether bubbles are generated on the water surface or not is carefully observed, if yes, a defective product is obtained, and the part is placed into the station cache area 2 of the process; if not, the product is qualified and is placed in a qualified area on the other side, the next procedure is conveniently carried out, water and gas are simultaneously configured on the inspection bench 3 for leakage test, the produced product is qualified, the qualified product can be timely detected, and the detection precision is high.
The use process comprises the following steps:
1. the connector 71 with the sleeved 0-shaped ring, the clamp spring 72 and the elastic washer 73 are sequentially held by hand and placed on the positioning rod 13, and the connector 71 is clamped in the hexagonal anti-rotation groove 12, so that the connector 71 is effectively prevented from rotating.
2. The hand-held differential lock cylinder sleeve rotates clockwise on the positioning rod 13 until the hand-held differential lock cylinder sleeve does not rotate, and then the differential lock cylinders with the connectors 71 screwed are sequentially placed in the clamping grooves 22.
3. The rated torque of the pneumatic torque wrench is set to be 5-6.3N.m, the wrench is aligned with the nut and then forcibly pressed downwards, and the nut is tightened in sequence.
4. The clamping grooves 22 of the station cache region 2 are sequentially picked up to place the differential lock cylinder on the positioning column 42 for positioning, the area of the rubber sheet 43 is larger than that of the differential lock cylinder, the rubber block 56 is placed on the circular groove of the differential lock cylinder, and then the second rear cylinder 54 is started to drive the pressing block 55 to compact the gap between the differential lock cylinder and the rubber block 56.
5. The handle 63 is held by hand and pushed forward, the movable rod 65 is driven to move forward, the air faucet is inserted into the interface of the cylinder of the differential lock and is compressed tightly by the front end of the movable rod 65, the air pump is opened, the air is taken into the inside of the cylinder of the differential lock through the air faucet, and the cylinder of the differential lock is completely soaked in liquid.
6. Carefully observe that there is not the bubble to produce on the surface of water, if there is, for the defective products, put into the station buffer memory 2 of this process with the part, wait that the differential lock cylinder of station buffer memory 2 is all detected the back that finishes, first cylinder 24 starts, drives fly leaf 23 and moves to the inboard, and unqualified differential lock cylinder passes logical groove from screens groove 22 bottom and drops in the waste material frame 8.
7. If not, the product is qualified and is placed in a qualified area on the other side, and the next procedure is conveniently carried out.
8. The inspection bench 3 is provided with water and gas for leakage test, so that the produced product is qualified, the qualified product can be detected in time, and the detection precision is high.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a leakage test device is screwed up to differential lock cylinder, its characterized in that, includes the inspection district, and the inspection district includes checkout stand (3), but is used for positioner (4), closing device (5) and the sealed gas blowing device (6) of back-and-forth movement of differential lock cylinder location, and on checkout stand (3) was located in closing device (5) and positioner (4), positioner (4) one side was located in sealed gas blowing device (6).
2. The differential lock cylinder screwing down leakage test device according to claim 1, wherein a pre-tightening area and a station cache area (2) are further arranged on the other side of the inspection area, the pre-tightening area, the station cache area (2) and the inspection area are sequentially arranged, the pre-tightening area comprises a fixing table (11) for a quick manual tool, and the station cache area (2) is used for placing differential lock cylinders and falling down in batches.
3. The differential lock cylinder tightening leakage test device according to claim 2, wherein the pre-tightening area comprises a tool table (1), the fixing table (11) is fixed on the tool table (1), a hexagonal anti-rotation groove (12) is formed in the top of the fixing table (11), and a positioning rod (13) is arranged in the center of the anti-rotation groove (12).
4. The differential lock cylinder screwing leakage test device according to claim 3, wherein the station buffer area (2) comprises a placing table (21), the placing table (21) is fixed on the tool table (1), the tool table (1) is provided with a through groove matched with the placing table (21), the placing table (21) is provided with a plurality of clamping grooves (22) for placing the cylinders, the clamping grooves (22) penetrate through the placing table (21), the bottom of the placing table (21) is provided with a movable plate (23) capable of moving back and forth, one side of the movable plate (23) is provided with a cylinder, the first cylinder (24) is fixed on the tool table (1), and an extending shaft of the first cylinder (24) is fixedly connected with the side face of the movable plate (23).
5. The differential lock cylinder tightening leakage test device according to any one of claims 1-4, wherein the test bench (3) is provided with a groove, test solution is placed in the groove, the groove is provided with a water outlet, and the water outlet is provided with a piston.
6. The differential lock cylinder screwing leakage test device according to claim 5, wherein the compressing device (5) comprises a bottom plate (51), the bottom plate (51) is fixed in the groove, a plurality of supporting columns (52) are arranged on the periphery of the bottom plate (51), a top plate (53) is arranged on the tops of the supporting columns (52), two ends of each supporting column (52) are fixedly connected with the bottom plate (51) and the top plate (53) respectively, a second cylinder (54) is arranged on the top plate (53), an output shaft of the second cylinder (54) can extend between the bottom plate (51) and the top plate (53), a compressing block (55) fixedly connected with the bottom of the output shaft of the second cylinder (54) is arranged, and a rubber block (56) for sealing is arranged below the compressing block (55).
7. The differential lock cylinder tightening leakage test device according to claim 6, wherein the positioning device (4) comprises a fixing plate (41) and three positioning columns (42), the fixing plate (41) is provided with long round holes at two sides, the long round holes are connected with the bottom plate (51) through bolts, the positioning columns (42) can be spirally connected with the fixing plate (41), the fixing plate (41) is provided with a rubber sheet (43) for sealing, the rubber sheet (43) is provided with a through hole matched with the positioning columns (42), and the rubber sheet (43) is arranged on the upper surface of the fixing plate (41).
8. The differential lock cylinder tightening leakage test device according to claim 7, wherein the sealing and blowing device (6) comprises a bottom plate (51), a handle (63), a connecting rod (64) and a movable rod (65), the bottom plate (51) is provided with a connecting lug (61) and a sliding sleeve (62), the handle (63) is L-shaped, the L-shaped front end of the handle (63) is rotatably connected with the connecting lug (61), the L-shaped right angle of the handle (63) is rotatably connected with one end of the connecting rod (64), the other end of the connecting rod (64) is rotatably connected with one end of the movable rod (65), the movable rod (65) is movably arranged in the sliding sleeve (62) back and forth, the front end of the movable rod (65) is provided with an air nozzle, the side surface of the air nozzle is provided with a vent pipe, and the other end of the vent pipe is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403851.2A CN112577674B (en) | 2020-12-02 | 2020-12-02 | Differential lock cylinder tightening leakage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403851.2A CN112577674B (en) | 2020-12-02 | 2020-12-02 | Differential lock cylinder tightening leakage testing device |
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| Publication Number | Publication Date |
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| CN112577674A true CN112577674A (en) | 2021-03-30 |
| CN112577674B CN112577674B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011403851.2A Active CN112577674B (en) | 2020-12-02 | 2020-12-02 | Differential lock cylinder tightening leakage testing device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055767A (en) * | 1998-08-07 | 2000-02-25 | Toyo Kakoki Kk | Device and method for testing gas valve for cylinder |
| CN201162643Y (en) * | 2007-12-13 | 2008-12-10 | 钱旦 | Portable hand-shaking inflator |
| CN201811824U (en) * | 2010-10-18 | 2011-04-27 | 广西玉柴机器股份有限公司 | Leak tester for main oil duct hole of cylinder block |
| WO2011160317A1 (en) * | 2010-06-21 | 2011-12-29 | 南通星维油泵油嘴有限公司 | Testing device for detecting leakage of oil outlet valve coupled parts |
| CN204214604U (en) * | 2014-11-05 | 2015-03-18 | 天津铁路信号有限责任公司 | A kind of double leval jib gas cylinder testing platform |
| WO2018040303A1 (en) * | 2016-08-30 | 2018-03-08 | 苏州富强科技有限公司 | Rotary airtightness detection device |
| CN208297050U (en) * | 2018-05-14 | 2018-12-28 | 上海合升机械有限公司 | A kind of air-tightness detection device of pump case |
| CN111098105A (en) * | 2019-12-17 | 2020-05-05 | 南京沃瑞新能源科技有限公司 | Buckling and air tightness detection integrated machine for six-station automobile exhaust pipe and working method of buckling and air tightness detection integrated machine |
-
2020
- 2020-12-02 CN CN202011403851.2A patent/CN112577674B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055767A (en) * | 1998-08-07 | 2000-02-25 | Toyo Kakoki Kk | Device and method for testing gas valve for cylinder |
| CN201162643Y (en) * | 2007-12-13 | 2008-12-10 | 钱旦 | Portable hand-shaking inflator |
| WO2011160317A1 (en) * | 2010-06-21 | 2011-12-29 | 南通星维油泵油嘴有限公司 | Testing device for detecting leakage of oil outlet valve coupled parts |
| CN201811824U (en) * | 2010-10-18 | 2011-04-27 | 广西玉柴机器股份有限公司 | Leak tester for main oil duct hole of cylinder block |
| CN204214604U (en) * | 2014-11-05 | 2015-03-18 | 天津铁路信号有限责任公司 | A kind of double leval jib gas cylinder testing platform |
| WO2018040303A1 (en) * | 2016-08-30 | 2018-03-08 | 苏州富强科技有限公司 | Rotary airtightness detection device |
| CN208297050U (en) * | 2018-05-14 | 2018-12-28 | 上海合升机械有限公司 | A kind of air-tightness detection device of pump case |
| CN111098105A (en) * | 2019-12-17 | 2020-05-05 | 南京沃瑞新能源科技有限公司 | Buckling and air tightness detection integrated machine for six-station automobile exhaust pipe and working method of buckling and air tightness detection integrated machine |
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| CN112577674B (en) | 2023-04-28 |
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