CN202453156U - Airtightness testing device for steel tubes - Google Patents
Airtightness testing device for steel tubes Download PDFInfo
- Publication number
- CN202453156U CN202453156U CN 201120531054 CN201120531054U CN202453156U CN 202453156 U CN202453156 U CN 202453156U CN 201120531054 CN201120531054 CN 201120531054 CN 201120531054 U CN201120531054 U CN 201120531054U CN 202453156 U CN202453156 U CN 202453156U
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- steel pipe
- stand
- tank
- tooth bar
- support
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Abstract
An airtightness testing device for steel tubes comprises a water tank and steel tube port sealing plugs. A steel tube carrying lifting table rack is arranged in the water tank, fixing racks for the steel tube port sealing plugs are used for one ends of the steel tubes on the steel tube carrying lifting table rack, sliding racks for mounting the steel tube port sealing plugs are used for the other ends of the steel tubes, a steel tube input table rack and an input conveying mechanism are arranged on one side of the water tank, the input conveying mechanism is connected with the input table rack and conveys the steel tubes to the steel tube carrying lifting table rack, a steel tube output table rack and an output conveying mechanism are arranged on the other side of the water tank, and the output conveying mechanism is connected with the output table rack and conveys the steel tubes from the steel tube carrying lifting table rack to the output table rack. The integral airtightness testing device is compact in structure, reliable in connection and high in automation degree, can simultaneously perform airtightness testing operation for a plurality of steel tubes, greatly increases production efficiency, relieves labor intensity of workers, and is particularly applicable to being used with a steel tube producing and processing unit in a continuous technological process.
Description
Technical field
the utility model relate to a kind of to tube particularly steel pipe carry out the equipment of fluid-tight property testing.
Background technology
Steel pipe after
finished machined need carry out tightness test.Whether usually tightness test is to be immersed in the water filling with compressed-air actuated sealed steel pipe, observe steel tube surface then and exist and emit the bubble position, thereby confirm whether this steel pipe exists leakage defect.Above-mentioned tightness test method is particularly one of the simple and effective means of weldquality of check steel pipe crudy, yet the process of this steel pipe air-tight test, equipment at present comprise that the steel pipe two-port adds the sealing-plug head; Feeding pressurized air through sealing plug to steel pipe, then steel pipe is immersed and will test steel pipe from tank after tank and the off-test and take out, all is manual operations; Labour intensity is big; Efficient is low, and is of poor benefits, incompatible large-scale production technology.
Summary of the invention
The purpose of
the utility model provides the higher steel pipe tightness test device of a kind of automatic and mechanical degree, to reduce labour intensity, increases substantially work efficiency.
realize that the above-mentioned purpose technical solution is: a kind of steel pipe tightness test device; Comprise tank; Steel pipe port sealing chock plug; Be provided with steel pipe in the said tank and accept the up-down stand; Accept on the up-down stand at steel pipe, accept the fixed mount that steel pipe one end on the up-down stand is provided with steel pipe port sealing chock plug, be provided with the slippage frame of steel pipe port sealing chock plug to the steel pipe other end to steel pipe; Be provided with steel pipe input stand in tank one side and reach the inlet conveyor structure that transmission steel pipe to the steel pipe that is connected mutually with the input stand is accepted the up-down stand, be provided with steel pipe output stand and accept the up-down stand to the output connecting gear of exporting stand from steel pipe with the transmission steel pipe that the output stand is connected mutually at the tank opposite side.
are as preferred; Steel pipe accept the up-down stand by the hold-down support that is installed on bottom of gullet, go up movable bearing support, be installed on the steel pipe positioning bar on the movable bearing support and be connected in hold-down support and last movable bearing support between some movable rods form, movable rod is connected with hydraulic gear through trundle.
as preferred, and the slippage frame is installed on steel pipe and accepts on the up-down stand on the guide rail set on the movable bearing support, and be connected with hydraulic drive mechanism.
are as preferred; Steel pipe port sealing chock plug has tubular shell; Be installed on the piston body of band sealing ring in the tubular shell; One end of tubular shell is equipped with chock plug, the other end that the band air guide takes over and steel pipe is installed inserts the guiding chock plug, the guiding chock plug inner with piston body one end between be provided with O-ring seal, tubular shell be provided with piston body in the air guide adapter that connects mutually of the steel pipe inflation road offered.
as preferred, the outer port part that steel pipe inserts the guiding chock plug is hydraucone.
are equipped with the retaining pipe unit that is made up of pin, connecting rod, rotation axis and hydraulic gear as preferred on the tank sidewall.
As preferred, steel pipe input stand is made up of perpendicular to the imperial portal of tank one sidewall respectively some
, and the bar plane of performing of said each imperial portal tilts to the tank direction, and on the bar that performs, is provided with the steel pipe block.
as preferred, and the input stand transmits steel pipe to steel pipe and accepts the inlet conveyor structure of up-down stand and have and be installed on the support that parallels with imperial portal between each adjacent imperial portal, and angle sheave is installed on the support; Long tooth bar driving cog down; The locating surface of long tooth bar is shelved on the angle sheave, and bearing also is installed on the support, on this bearing pinch roller is installed; Said pinch roller props up the back that is pressed in long tooth bar; The front portion at long tooth bar back is equipped with the steel pipe bearing plate that is provided with some locating slots, and the setting height(from bottom) of steel pipe bearing plate is connected with the low side of imperial portal mutually, and long tooth bar is meshed with transmission gear; Between each imperial portal front portion horizontal rotating shaft is installed simultaneously, is equipped with on the horizontal rotating shaft and stirs the driving lever that steel pipe is crossed the steel pipe block.
As preferred, steel pipe output stand is made up of perpendicular to the imperial portal of another sidewall of tank respectively some
, and the bar plane of performing of said each imperial portal is to the tank outer incline, and is provided with the steel pipe block in the bar least significant end that performs.
are as preferred; Steel pipe is accepted output connecting gear that the up-down stand transmits steel pipe to steel pipe output stand and is had and be installed on the support that parallels with imperial portal between each adjacent imperial portal, and angle sheave is installed on the support, and long tooth bar driving cog down; The locating surface of long tooth bar is shelved on the angle sheave; Bearing also is installed on the support, on this bearing pinch roller is installed, said pinch roller props up the back that is pressed in long tooth bar; The rear portion at long tooth bar back is equipped with the steel pipe bearing plate that is provided with some locating slots; Long tooth bar is meshed with transmission gear, between each high end of imperial portal the chain transmission hoisting gear is installed simultaneously, and some pusher dogs are installed on chain.
The beneficial effect of
the utility model is: the single unit system compact conformation; Be connected reliable; Automaticity is higher, can carry out the tightness test operation to some steel pipes simultaneously, has improved production efficiency greatly; Alleviated working strength of workers, and be specially adapted to process the supporting use of serialization flow process of unit with steel pipe's production.
Description of drawings
Fig. 1 is the general structure synoptic diagram of this device.
Fig. 2 is the right TV structure synoptic diagram of Fig. 1.
Fig. 3 is gantry shape shelf structure synoptic diagram of steel pipe input stand.
Fig. 4 is the side-looking structural representation of Fig. 3
Fig. 5 is a steel pipe inlet conveyor structure structural representation.
Fig. 6 is the A-A cross-sectional view of Fig. 5.
Fig. 7 is the B-B cross-sectional view of Fig. 5.
Fig. 8 is the C-C cross-sectional view of Fig. 5.
Fig. 9 is a steel pipe output table shelf structure synoptic diagram.
Figure 10 is steel pipe inlet conveyor structure and tank connected structure synoptic diagram.
Figure 11 accepts up-down stand propradation structural representation for the steel pipe in the tank.
Figure 12 is for accepting up-down stand decline status architecture synoptic diagram for the steel pipe in the tank.
Figure 13 is a steel pipe port sealing chock plug structural representation.
Figure 14 is tank and steel pipe output connecting gear connected structure synoptic diagram.
Figure 15 is the D-D cross-sectional view of Figure 14.
Figure 16 is the pin apparatus structure synoptic diagram of tank.
Embodiment
are described further the utility model with embodiment below in conjunction with accompanying drawing.
The tank 4 of
this device is a stainless steel trough, and its length is decided according to the longest steel pipe length of need test.Steel pipe is installed in the tank accepts up-down stand 5, the tank both sides are equipped with steel pipe input stand 1 and inlet conveyor structure 2, steel pipe output stand 7 and output connecting gear 8.
and steel pipe accept up-down stand 5 by two hold-down supports 32 that are installed on tank 4 bottoms, go up movable bearing support 30, through support 29 be installed on the steel pipe positioning bar 28 on the movable bearing support 30 and be connected in hold-down support 32 and last movable bearing support 30 between some movable rods 31 form, movable rod 31 is connected with hydraulic gear 40 through trundle 19.Steel pipe accept the up-down stand on the movable bearing support 30; Accept the fixed mount 33 that steel pipe a one end on the up-down stand is provided with steel pipe port sealing chock plug 34 to steel pipe; Be provided with the slippage frame 36 of steel pipe port sealing chock plug 34 to the steel pipe a other end; And slippage frame 36 is to be installed on the movable bearing support 30 through guide rail 35, and is connected with first hydraulic drive mechanism 37.Said steel pipe port sealing chock plug 34 has tubular shell 43; Be installed on the piston body 44 of band sealing ring 46 in the tubular shell 43; Chock plug 42, the other end that one end of tubular shell 43 is equipped with band air guide adapter 41 are equipped with steel pipe insertion guiding chock plug 48; Be provided with O-ring seal 47 between guiding chock plug 48 the inners and piston body 44 1 ends, tubular shell 43 is provided with the air guide that connects mutually with the piston body 44 interior steel pipes inflation roads of being offered 49 and takes over 45.More convenient smoothly in order to make test steel pipe a insert the guiding chock plug, will the lead outer port part of chock plug 48 of spy is designed to hydraucone.In addition,, influence the sealing of sealed at both ends chock plug 34 in order to prevent the stressed play of steel pipe in the test process, the special active catch pipe unit 6 that on inboard wall of cistern, is provided with because the general length of test steel pipe a is longer.This active catch pipe unit 6 is made up of lever 50, connecting rod 52, rotation axis 51 and second hydraulic drive mechanism 38.
steel pipe input stand 1 is by forming perpendicular to the some first imperial portal 3 of tank 4 one sidewalls respectively, and the bar plane of performing of the said first imperial portal 3 tilts to tank 4 directions, and on the bar that performs, is provided with steel pipe block 23.Input stand 1 transmits inlet conveyor structure 2 that test steel pipe a accepts up-down stand 5 to steel pipe to have and is installed on the support 12 that parallels with the first imperial portal between each first adjacent imperial portal 3; Angle sheave 11 before and after being equipped with on the support 12; Long tooth bar 10 driving cogs down; The locating surface of long tooth bar 10 is shelved on the angle sheave 11; Front portion, long tooth bar 10 back is equipped with the steel pipe bearing plate 15 that is provided with some locating slots 24; All the other positions of steel pipe bearing plate 15 and pinch roller 18 sliding contact mutually that is installed on through bearing on the support 12 are not installed in long tooth bar 10 backs, thereby when long tooth bar 10 back and forth during transmission, and pinch roller 18 props up all the time and is pressed on all the other outer positions of long tooth bar 10 back steel pipe bearing plates 15; The setting height(from bottom) of steel pipe bearing plate 15 is connected with the low side of imperial portal mutually, and long tooth bar 10 is meshed with the transmission gear 25 that the final drive shaft 26 of rack gear 17 drives.Between each the first imperial portal, 3 front portion cylinder 16 is installed simultaneously, drives horizontal rotating shaft 14, be equipped with on the horizontal rotating shaft 14 and stir the driving lever 13 that steel pipe is crossed steel pipe block 23 by cylinder 16.Horizontal rotating shaft 14 on the steel pipe input stand can link into an integrated entity through shaft coupling, and is unified by cylinder 16 drives.
steel pipe output stand 7 is by forming perpendicular to the some second imperial portal 9 of tank 4 another sidewalls respectively, and the bar plane of performing of said respectively second imperial portal 9 is to the tank outer incline, and is provided with steel pipe block 27 in the bar least significant end that performs.Accept up-down stand 5 from steel pipe and pass on the output connecting gear 8 of test steel pipe a to steel pipe output stand 7; Its structure is similar with above-mentioned inlet conveyor structure 2; Have and be installed on the support 12 that parallels with the second imperial portal between each second adjacent imperial portal 9; Angle sheave 11 is installed before and after on the support 12, long tooth bar 10 driving cogs down, the locating surface of long tooth bar 10 is shelved on the angle sheave 11; Front portion, long tooth bar 10 back is equipped with the steel pipe bearing plate 15 that is provided with some locating slots 24; All the other positions of steel pipe bearing plate 15 and pinch roller 18 sliding contact mutually that is installed on through bearing on the support 12 are not installed in long tooth bar 10 backs, thereby when long tooth bar 10 back and forth during transmission, and pinch roller 18 props up all the time and is pressed on all the other outer positions of long tooth bar 10 back steel pipe bearing plates 15; Long tooth bar 10 is meshed with the transmission gear 25 that is driven by the final drive shaft of gear train 17 26, chain transmission hoisting gear 20 is installed and some pusher dogs 21 are installed on chain between each the second imperial portal, 9 high end simultaneously.
above-mentioned each gear train is by 39 controls of Electromechanical Control case.
The operating process of
this device is: treating after the finished machined tested steel pipe a and is allocated on the steel pipe input stand 1 from roller-way; Stand is 6 ° of gradients; Steel pipe slowly tumbles marshalling automatically; Driving the dead man 13 that is installed on the horizontal rotating shaft 14 by cylinder 16 rotates; Dead man 13 turns over certain angle and can a steel pipe a be crossed link stopper 23 back at every turn and fall into the V-arrangement locating slot 24 of the steel pipe bearing plate 15 on the advancing tooth bar in below automatically along the stand bar that performs, and the tail end shelves of dead man 13 live in other steel pipe a on the stand simultaneously; For the different steel pipe of diameter, can suitably adjust the position of link stopper 23 on stand, to guarantee a to pull out steel pipe at every turn.5 V-arrangement locating slots 24 are arranged on the present embodiment steel pipe bearing plate 15, can accept 5 steel pipes successively and be shifted together.
start rack gear 17; Drive to be installed on through final drive shaft 26 and respectively organize transmission gear 25 on the final drive shaft 26; And then transmission gear 25 drives long tooth bar 10 and moves to tank 4, and the steel pipe bearing plate 15 on tooth bar is positioned at the precalculated position of tank 4 tops; This moment, the steel pipe of tank 4 was accepted up-down stand 5 upwards rise under the effect of hydraulic gear 40, lived 5 steel pipes on the steel pipe bearing plate 15 so be positioned on the up-down stand 5 V-shaped groove jackings of the steel pipe positioning bar 28 on the movable bearing support 30; Rack gear 17 motor backward rotation drive the long tooth bar 10 of charging and return to initial position; Meanwhile; Hydraulic drive mechanism 37 drives slippage frame 36 and slides along guide rail 35; Make the steel pipe port sealing chock plug 34 that is installed on the slippage frame 36 be inserted in the end of steel pipe a from guiding chock plug 48; And it is mobile backward to promote steel pipe a, and the other end of steel pipe a is inserted in the steel pipe port sealing chock plug 34 on the fixed mount 33; Begin to take over 41 steel pipe port sealing chock plugs 34 and feed pressurized air, drive its piston body 44 and compress O-ring seal 47, thereby the front and back end of steel pipe a is lived in radial seal to steel pipe a two ends through air guide; Second hydraulic drive mechanism 38 drives levers 50 rotations through rotation axis 51, connecting rod 52 then, make lever 50 from tank 4 limits by original and steel pipe a parallel position, revolve turn 90 degrees vertical with steel pipe, thereby push down steel pipe a; Then import pressurized air through air guide adapter 45 and steel pipe inflation road 49 to steel pipe a; Through operator's console, make steel pipe accept 5 translations of up-down stand by hydraulic gear 40 and descend, steel pipe is immersed in the tank, carry out tightness test.
After
tightness test finishes; Steel pipe is accepted up-down stand 5 and from tank 4, is risen once more; The first pressurized air that bleeds off among the steel pipe a through the air guide adapter 45 of steel pipe port sealing chock plug 34; Take over the air of pushing down piston body 44 in the 41 steel pipe port sealing chock plugs 34 that bleed off on the fixed mount 33 through air guide then, the rear end of steel pipe a is unclamped from the O-ring seal of sealing plug, keep off pipe unit 6 actions simultaneously; Make lever 50 get back to the tank 4 limits initial position parallel with steel pipe; First hydraulic drive mechanism 37 drives slippage frame 36 and slowly returns along guide rail 35, drives the steel pipe port sealing chock plug 34 of steel pipe a from fixed mount 33 and withdraws from, and bleeds off the air of pushing down piston body 44 in the steel pipe port sealing chock plug 34 on the slippage frame 36 subsequently; The steel pipe front end is also withdrawed from from sealing plug, return to initial position after slippage frame 36 continues.
At this moment; The output connecting gear 8 of steel pipe output stand 7 drives tooth bar 10 and moves to tank 4 directions; Steel pipe bearing plate 15 on tooth bar is positioned at the precalculated position of tank 4 tops; This position is positioned at the below of the steel pipe positioning bar 28 on the movable bearing support 30 on the up-down stand after the rising, and after the up-down stand descended once more, 5 steel pipe a after test on the former steel pipe location-plate bar 28 just fell into each locating slot 24 of the steel pipe bearing plate 15 on the tooth bar; Rack gear 22 motor backward rotation; Drive long tooth bar 10 and return to initial position; Chain transmission hoisting gear 20 entrys into service that install between the second imperial portal, the 9 high ends this moment; Each pusher dog 21 of installing on its driving-chain hooks steel pipe a successively, after the rising steel pipe a is delivered on the steel pipe output stand 7
Claims (10)
1. steel pipe tightness test device; Comprise tank (4); Steel pipe port sealing chock plug (34); It is characterized in that being provided with in the tank (4) steel pipe and accept up-down stand (5); Accept on the up-down stand (5) at steel pipe; Accept the fixed mount (33) that steel pipe one end on the up-down stand is provided with steel pipe port sealing chock plug (34) to steel pipe; Be provided with the slippage frame (36) of steel pipe port sealing chock plug (34) to the steel pipe other end, be provided with steel pipe input stand (1) and accept the inlet conveyor structure (2) of up-down stand (5), be provided with steel pipe output stand (7) at tank (4) opposite side and reach and export the transmission steel pipe that stand (7) is connected mutually and accept up-down stand (5) to the output connecting gear (8) of exporting stand (7) from steel pipe with transmission steel pipe to the steel pipe that input stand (1) is connected mutually in tank (4) one sides.
2. by the described steel pipe tightness test of claim 1 device; It is characterized in that steel pipe accept up-down stand (5) by the hold-down support (32) that is installed on tank (4) bottom, go up movable bearing support (30), be installed on the steel pipe positioning bar (28) on the movable bearing support (30) and be connected in hold-down support (32) and last movable bearing support (30) between some movable rods (31) form, movable rod (31) is connected with hydraulic gear (40) through trundle (19).
3. by the described steel pipe tightness test of claim 1 device, it is characterized in that slippage frame (36) is installed on steel pipe and accepts on the upward set guide rail (35) of movable bearing support on the up-down stand (30), and be connected with first hydraulic drive mechanism (37).
4. by the described steel pipe tightness test of claim 1 device; It is characterized in that steel pipe port sealing chock plug (34) has tubular shell (43); Be installed on the piston body (44) of band sealing ring (46) in the tubular shell (43); Chock plug (42), the other end that one end of tubular shell (43) is equipped with band air guide adapter (41) are equipped with steel pipe insertion guiding chock plug (48); Be provided with O-ring seal (47) between guiding chock plug (48) the inner and piston body (44) one ends, tubular shell (43) is provided with the air guide that connects mutually with the interior steel pipe inflation road of being offered (49) of piston body (44) and takes over (45).
5. by the described steel pipe tightness test of claim 4 device, it is characterized in that the outer port part of steel pipe insertion guiding chock plug (48) is hydraucone.
6. by the described steel pipe tightness test of claim 1 device, it is characterized in that being equipped with on tank (4) sidewall retaining pipe unit (6) that constitutes by lever (50), connecting rod (52), rotation axis (51) and second hydraulic drive mechanism (38).
7. by the described steel pipe tightness test of claim 1 device; It is characterized in that steel pipe input stand (1) is made up of perpendicular to the first imperial portal (3) of tank (4) one sidewalls respectively some; The bar plane of performing of said each first imperial portal (3) tilts to tank (4) direction, and on the bar that performs, is provided with steel pipe block (23).
8. by claim 1 or 7 described steel pipe tightness test devices; It is characterized in that importing stand (1) transmits steel pipe to steel pipe and accepts the inlet conveyor structure (2) of up-down stand (5) and have and be installed on the support (12) that parallels with imperial portal between each adjacent imperial portal (3); Angle sheave (11) is installed on the support (12); Long tooth bar (10) driving cog down; The locating surface of long tooth bar (10) is shelved on the angle sheave (11), and support also is equipped with bearing on (12), and pinch roller (18) is installed on this bearing; Said pinch roller (18) props up the back that is pressed in long tooth bar (10); The front portion at long tooth bar (10) back is equipped with the steel pipe bearing plate (15) that is provided with some locating slots (24), and the setting height(from bottom) of steel pipe bearing plate (15) is connected with the low side of imperial portal mutually, and long tooth bar (10) is meshed with transmission gear (25); Simultaneously between each imperial portal (3) front portion horizontal rotating shaft (14) is installed, is equipped with on the horizontal rotating shaft (14) and stirs steel pipe and cross the driving lever of steel pipe block (23) (13).
9. by the described steel pipe tightness test of claim 1 device; It is characterized in that steel pipe output stand (7) is made up of perpendicular to the second imperial portal (9) of another sidewall of tank (4) respectively some; The bar plane of performing of said each second imperial portal (9) is to the tank outer incline, and is provided with steel pipe block (27) in the bar least significant end that performs.
10. by the described steel pipe tightness test of claim 1 device; It is characterized in that steel pipe accepts up-down stand (5) and transmit steel pipe to steel pipe and export the output connecting gear (8) of stand (7) and have and be installed on the support (12) that parallels with imperial portal between each adjacent imperial portal (9); Angle sheave (11) is installed on the support (12); Long tooth bar (10) driving cog down, the locating surface of long tooth bar (10) is shelved on the angle sheave (11), support also is equipped with bearing on (12); Pinch roller (18) is installed on this bearing; Said pinch roller (18) props up the back that is pressed in long tooth bar (10), and the rear portion at long tooth bar (10) back is equipped with the steel pipe bearing plate (15) that is provided with some locating slots (24), and long tooth bar (10) is meshed with transmission gear (25); Between each high end of imperial portal (9) chain transmission hoisting gear (20) is installed simultaneously, and some pusher dogs (21) are installed on chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120531054 CN202453156U (en) | 2011-12-19 | 2011-12-19 | Airtightness testing device for steel tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120531054 CN202453156U (en) | 2011-12-19 | 2011-12-19 | Airtightness testing device for steel tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453156U true CN202453156U (en) | 2012-09-26 |
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ID=46869011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120531054 Expired - Fee Related CN202453156U (en) | 2011-12-19 | 2011-12-19 | Airtightness testing device for steel tubes |
Country Status (1)
| Country | Link |
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| CN (1) | CN202453156U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519677A (en) * | 2011-12-19 | 2012-06-27 | 浙江久立特材科技股份有限公司 | Airtight testing device of steel pipe |
| CN104977135A (en) * | 2015-08-03 | 2015-10-14 | 福州诺贝尔福基机电有限公司 | Inner cleaning and airtightness detecting device for oil filling pipe, and method thereof |
| CN107063574A (en) * | 2017-01-03 | 2017-08-18 | 浙江久立特材科技股份有限公司 | Multistation underwater airtightness testing machine |
| CN110280540A (en) * | 2019-06-27 | 2019-09-27 | 湖南格仑新材股份有限公司 | Airtight cleaning, drying integrated system under a kind of Automated water |
| CN112747875A (en) * | 2020-12-24 | 2021-05-04 | 重庆南方数控设备股份有限公司 | Weishi method sedimentation instrument channel air tightness detection device and air tightness detection method |
-
2011
- 2011-12-19 CN CN 201120531054 patent/CN202453156U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519677A (en) * | 2011-12-19 | 2012-06-27 | 浙江久立特材科技股份有限公司 | Airtight testing device of steel pipe |
| CN102519677B (en) * | 2011-12-19 | 2014-08-27 | 浙江久立特材科技股份有限公司 | Airtight testing device of steel pipe |
| CN104977135A (en) * | 2015-08-03 | 2015-10-14 | 福州诺贝尔福基机电有限公司 | Inner cleaning and airtightness detecting device for oil filling pipe, and method thereof |
| CN107063574A (en) * | 2017-01-03 | 2017-08-18 | 浙江久立特材科技股份有限公司 | Multistation underwater airtightness testing machine |
| CN107063574B (en) * | 2017-01-03 | 2023-09-15 | 浙江久立特材科技股份有限公司 | Multi-station underwater airtight testing machine |
| CN110280540A (en) * | 2019-06-27 | 2019-09-27 | 湖南格仑新材股份有限公司 | Airtight cleaning, drying integrated system under a kind of Automated water |
| CN112747875A (en) * | 2020-12-24 | 2021-05-04 | 重庆南方数控设备股份有限公司 | Weishi method sedimentation instrument channel air tightness detection device and air tightness detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20161219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |