CN220708663U - Welding tightness detection device - Google Patents
Welding tightness detection device Download PDFInfo
- Publication number
- CN220708663U CN220708663U CN202322398115.8U CN202322398115U CN220708663U CN 220708663 U CN220708663 U CN 220708663U CN 202322398115 U CN202322398115 U CN 202322398115U CN 220708663 U CN220708663 U CN 220708663U
- Authority
- CN
- China
- Prior art keywords
- air
- air guide
- fixedly arranged
- piece
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a welding tightness detection device. The welding tightness detection device comprises: the base is fixedly provided with a clamping piece in the middle of one end wall body, a transmission piece is arranged on the base, a clamping plate is arranged on the outer side of the transmission piece, a placing table is fixedly arranged in the middle of the clamping plate, and an air guide piece is fixedly arranged in the middle of the placing table; the air guide piece comprises an air guide column, the air guide column is fixedly arranged in the middle of the placement table, an air inlet head is arranged at one end of the air guide column, a sealing gasket is sleeved on one side of the air inlet head on the air guide column, an air guide pipe is fixedly arranged on the air guide column and one end of the air inlet head, an electromagnetic valve is fixedly arranged on the air guide pipe, an air gauge is fixedly arranged on one side of the air guide pipe on the air guide column, and an air booster pump is fixedly arranged on the air guide pipe and one end of the air guide column. The welding tightness detection device provided by the utility model has the advantages of high tightness of the welding piece and convenience in observing and marking the defect positions.
Description
Technical Field
The utility model relates to the technical field of copper pipe welding detection, in particular to a welding tightness detection device.
Background
The copper tubular workpiece is required to be welded in the processing process, pipelines with different lengths or specifications are generally connected together in a welding mode, the tightness of welding positions is required to be detected after welding, and the phenomenon that cracks exist at welding positions in subsequent use is prevented, so that the use of the copper tubular workpiece is influenced.
However, when the traditional detection device detects copper pipe workpieces, a water test is used for detection, air flow is continuously filled into the shell of the air compressor at a certain pressure, the shell is immersed into liquid, and whether air tightness of the shell is judged by whether air bubbles exist or not.
However, the water test inspection wastes a large amount of water resources, increases the detection cost, and when inspecting different welding pieces, the welding pieces are integrally soaked in water, after the defect positions are observed, the defect positions cannot be marked in time, and the defect missing condition is easy to occur when the follow-up marking is caused.
Accordingly, it is necessary to provide a new welding tightness detecting device to solve the above technical problems.
Disclosure of Invention
The technical problem solved by the utility model is to provide the welding tightness detection device with high tightness of the welding piece and convenient observation and marking of the defect positions.
In order to solve the above technical problems, the welding tightness detection device provided by the present utility model includes: the base is fixedly provided with a clamping piece in the middle of one end wall body, a transmission piece is arranged on the base, a clamping plate is arranged on the outer side of the transmission piece, a placing table is fixedly arranged in the middle of the clamping plate, and an air guide piece is fixedly arranged in the middle of the placing table; the air guide piece comprises an air guide column, the air guide column is fixedly arranged in the middle of the placement table, an air inlet head is arranged at one end of the air guide column, a sealing gasket is sleeved on one side of the air inlet head on the air guide column, an air guide pipe is fixedly arranged on the air guide column and one end of the air inlet head, an electromagnetic valve is fixedly arranged on the air guide pipe, an air gauge is fixedly arranged on one side of the air guide pipe on the air guide column, an air booster pump is fixedly arranged on the air guide pipe and one end of the air guide column, the air gauge is electrically connected with the electromagnetic valve and the air booster pump respectively, and the air booster pump is fixedly connected with the clamping plate.
Preferably, the clamping piece comprises a connecting seat, connecting seat fixed mounting is on a base lateral wall body, the equal fixed mounting in both sides has the installation piece in connecting seat, two equal fixed mounting has the connecting rod on the installation piece, two equal movable mounting has the spliced pole on the connecting rod, equal movable mounting in the middle part of two spliced poles has the guide pillar, the through-hole has been seted up on the spliced pole, fixedly mounting has the cylinder with installation piece one side on the connecting seat, the cylinder output runs through the through-hole to extend to the connecting seat outside, cylinder output outside fixed mounting has solid fixed ring, gu fixed ring both sides respectively with two guide pillar one side swing joint, two equal fixed mounting in spliced pole one end has the fastening plate, gu fixed ring one side has seted up the standing groove on the cylinder output, the standing groove inboard is provided with the shutoff piece.
Preferably, the driving medium includes two sets of seats of placing, and two sets of seats of placing are inboard all to rotate and are provided with the lead screw, two lead screw outside one end fixed mounting has gear one, fixed mounting has the stopper between two lead screws on the base, stopper one end fixed mounting has the mount pad, mount pad one side fixed mounting has brake motor, brake motor output installs the installation pole, installation pole outside fixed mounting has gear two, gear two respectively with both sides gear one intermeshing.
Preferably, the plugging piece comprises an air bag, the air bag is fixedly arranged on the inner side of the placing groove, a guide pipe is fixedly arranged on one side of the air bag, a pressing pump is fixedly arranged at the tail end of the guide pipe, an exhaust pipe is fixedly arranged on the guide pipe, and a sealing plug is buckled on the exhaust pipe.
Preferably, the clamping plate is provided with a guide groove, and the limiting block is arranged on the inner side of the guide groove.
Preferably, the clamping plates are fixedly provided with connecting cylinders on two sides, the inner sides of the connecting cylinders are provided with internal threads, the connecting cylinders are respectively meshed with the two lead screws through the internal threads, and the clamping plates are rotatably arranged on the outer sides of the lead screws through the connecting cylinders.
Preferably, the inner ring of the sealing gasket is tightly attached to the outer wall of the air guide column, and the sealing gasket is made of rubber materials.
Compared with the related art, the welding tightness detection device provided by the utility model has the following beneficial effects:
the utility model provides a welding tightness detection device, which is characterized in that a welding piece is fixed through a clamping piece and a clamping plate, two ends of the welding piece are sealed, then an air booster pump is started, an electromagnetic valve is opened at the same time, then air delivery pressurization is carried out to the inside of the welding piece through an air duct and an air inlet head, the pressure value in the welding piece can be reflected in real time by an air pressure meter, after the pressure in the welding piece reaches a certain value, the electromagnetic valve is closed, the air booster pump is closed at the same time, then after the welding piece is stationary for a period of time, the value change of the air booster pump is observed, and after the value pressure of the air booster pump is changed, the sealing condition of the welding piece is detected, and the defect position can be marked in time.
Drawings
FIG. 1 is a schematic diagram of a welding tightness detection device according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic diagram of an air cylinder mounting structure of the welding tightness detection device provided by the utility model;
FIG. 3 is a schematic view of the clamping structure shown in FIG. 1;
fig. 4 is a schematic diagram of a brake motor mounting structure of the welding tightness detection device provided by the utility model;
fig. 5 is a schematic view of a partial enlarged structure at a in fig. 2.
Reference numerals in the drawings: 1. a base; 2. a screw rod; 3. a clamping plate; 4. an air duct; 5. an electromagnetic valve; 6. an air pressure gauge; 7. an air booster pump; 8. a placement seat; 9. a clamping member; 901. a connecting seat; 902. a cylinder; 903. a connecting rod; 904. a connecting column; 905. a guide post; 906. a fixing ring; 907. a placement groove; 908. a fastening plate; 909. a mounting block; 10. an air bag; 11. an air inlet pipe; 12. a sealing gasket; 13. an air inlet head; 14. a conduit; 15. a sealing plug; 16. an exhaust pipe; 17. a pressing pump; 18. a guide groove; 19. a limiting block; 20. a connecting cylinder; 21. a first gear; 22. braking the motor; 23. a mounting base; 24. a second gear; 25. placing a table.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic structural diagram of a welding tightness detection device according to a preferred embodiment of the present utility model; FIG. 2 is a schematic diagram of an air cylinder mounting structure of the welding tightness detection device provided by the utility model;
FIG. 3 is a schematic view of the clamping structure shown in FIG. 1; fig. 4 is a schematic diagram of a brake motor mounting structure of the welding tightness detection device provided by the utility model; fig. 5 is a schematic view of a partial enlarged structure at a in fig. 2. Welding tightness detection device includes: the base 1, a holder 9 is fixedly installed in the middle of an end wall body of the base 1, the holder 9 includes connecting seat 901 for place the butt welding piece, connecting seat 901 fixed mounting is on a lateral wall body of base 1, both sides on connecting seat 901 are all fixed mounting has installation piece 909, all fixed mounting has connecting rod 903 on two installation piece 909, be used for installing the spliced pole 904 of both sides, all movable mounting has spliced pole 904 on two connecting rods 903, the guide pillar 905 is all movable mounting in the middle of two spliced poles 904, the through-hole has been seted up on the spliced pole 904, cylinder 902 is installed with installation piece 909 one side fixed mounting, be used for promoting grip block 3, cylinder 902 output end runs through the through-hole, and extend to the connecting seat 901 outside, cylinder 902 output end outside fixed mounting has solid fixed ring 906, be used for installing two guide pillar 905 one side swing joint, gu fixed ring 906 both sides are respectively with two guide pillar 905 one side fixed mounting has fastening plate 908, gu fixed ring 906 one side on the cylinder 902 is seted up standing groove 907, the inner wall 10 outer wall of standing groove, with welding piece middle part 9 all movable mounting has guide pillar 905, then, when moving the two guide pillar 908 are moved to the both sides after the fixed ring 908 is moved to the inside after the fixed ring 908 is moved to the fixed mounting plate 908, the both sides are moved to the fixed connection post 908, the both sides are moved towards the inside after the fixed ring 908 is moved to the fixed connection post 908, and the fixed connection is moved towards the both sides after the fixed ring is moved to the fixed ring 908, and the fixed connection is moved towards the fixed ring 908, and the inside after the two guide post 908 is moved towards the fixed ring and moved towards the fixed mounting and the fixed mounting, and the inside and the two guide post 908 and is moved towards the fixed.
The inside of the placing groove 907 is provided with a plugging piece for sealing one end of the welding piece, the plugging piece comprises an air bag 10, the air bag 10 is fixedly arranged on the inside of the placing groove 907, a guide pipe 14 is fixedly arranged on one side of the air bag 10, a pressing pump 17 is fixedly arranged at the tail end of the guide pipe 14, an exhaust pipe 16 is fixedly arranged on the guide pipe 14, a sealing plug 15 is buckled on the exhaust pipe 16, an operator presses the pressing pump 17, the pressing pump 17 inflates the air bag 10 through an air inlet pipe 11, one end of the welding piece is sealed by the expansion of the air bag 10, and the inner wall of the welding piece is integrally sealed by the collision of the air bag 10.
Further, a transmission part is arranged on the base 1, a clamping plate 3 is arranged on the outer side of the transmission part, the transmission part comprises two groups of placing seats 8, connecting cylinders 20 are fixedly arranged on two sides of the clamping plate 3, internal threads are respectively arranged on the inner sides of the two connecting cylinders 20, the two connecting cylinders 20 are respectively meshed with two lead screws 2 through the internal threads, the clamping plate 3 is rotatably arranged on the outer side of the lead screws 2 through the connecting cylinders 20 and is used for conveniently displacing the clamping plate 3, the lead screws 2 are rotatably arranged on the inner sides of the two groups of placing seats 8, a gear 21 is fixedly arranged at one end of the outer side of the lead screws 2, a limiting block 19 is fixedly arranged between the two lead screws 2 on the base 1, a guide groove 18 is formed in the clamping plate 3, the limiting block 19 is arranged on the inner side of the guide groove 18 and is used for guiding the clamping plate 3 during movement, one end of the limiting block 19 is fixedly provided with a mounting seat 23, a brake motor 22 is fixedly arranged on one side of the mounting seat 23, a mounting rod is arranged at the output end of the brake motor 22, a gear II 24 is fixedly arranged on the outer side of the mounting rod, the gear II 24 is respectively meshed with the gear I21 on two sides, after clamping is completed, the brake motor 22 starts to work, the output end rotates to drive the gear II 24 on one side, the gear II 24 rotates to drive the gear I21 on two sides to rotate, the two gears I21 rotate to drive the two lead screws 2 to rotate, the two lead screws 2 rotate to drive the clamping plates to move, the clamping plates drive the placing table 25 to move when moving, then the other end of the welding piece is placed on the placing table 25, after placing, the clamping plates continue to move, the other end of the welding piece is tightly propped, in the process of propping the clamping plates, the sealing ring is simultaneously placed on the inner side of the welding piece, the outer circle of the sealing ring is larger than the inner wall of the welding piece, and one end of the welding piece is tightly propped and sealed.
Still further, the middle part of the clamping plate 3 is fixedly provided with a placing table 25, the middle part of the placing table 25 is fixedly provided with an air guide piece, the air guide piece comprises an air guide column, the air guide column is fixedly arranged in the middle part of the placing table 25, one end of the air guide column is provided with an air inlet head 13 for inflating and pressurizing the sealed interior of the welding piece, one side of the air inlet head 13 on the air guide column is sleeved with a sealing gasket 12, the inner ring of the sealing gasket 12 is tightly attached to the outer wall of the air guide column, the sealing gasket 12 is made of rubber material and is used for sealing the other end of the welding piece, one end of the air guide column and one end of the air inlet head 13 are fixedly provided with an air guide pipe 4, the air guide pipe 4 is fixedly provided with an electromagnetic valve 5 for automatically controlling the internal pressure transmission of the welding piece, one side of the air guide pipe 4 on the air guide column is fixedly provided with an air gauge 6, the welding device is used for observing the internal pressure of a welding piece, an air booster pump 7 is fixedly arranged on the air guide pipe 4 and at one end of the air guide column and used for pressurizing the inside of the welding piece, a barometer 6, an electromagnetic valve 5 and an air booster pump 7 are respectively and electrically connected, the air booster pump 7 and a clamping plate 3 are fixedly connected, the electromagnetic valve 7 is started, the electromagnetic valve 5 is opened simultaneously, then the internal pressure value of the welding piece is reflected in real time through the air guide pipe 4 and an air inlet head 13, after the internal pressure of the welding piece reaches a certain value, the electromagnetic valve 5 is closed, the air booster pump 7 is simultaneously closed, then after the welding piece is static for a period of time, the value change of the air booster pump is observed, and after the value pressure of the air booster pump is changed, the sealing effect of the welding piece is detected.
The working principle of the welding tightness detection device provided by the utility model is as follows:
when the welding piece is fixed and placed, one end of the welding piece is sleeved at the middle part of the clamping piece 9, then the air cylinder 902 works, the output end moves backwards, the fixed ring 906 is pulled to move backwards, the guide posts 905 on two sides are pulled to move backwards after the fixed ring 906 moves backwards, when the two guide posts 905 move backwards, the connecting posts 904 on two sides are pulled to approach inwards, when the two connecting posts 904 move backwards, the fastening plates 908 on one end are driven to approach inwards, and the two fastening plates 908 clamp the outer side of the welding piece together.
After the clamping is finished, the braking motor 22 is started, the braking motor 22 works, the output end rotates to drive the gear II 24 on one side to rotate, the gear II 24 rotates to drive the gear I on two sides to rotate, the gear I21 rotates to drive the screw rods 2 to rotate, the screw rods 2 rotate to drive the clamping plate to move, the clamping plate drives the placing table 25 to move when moving, then the other end of the welding piece is placed on the placing table 25, after the placing, the clamping plate continues to move, the other end of the welding piece is tightly propped, in the process of tightly propping the clamping plate, the sealing ring is simultaneously placed on the inner side of the welding piece, the outer circle of the sealing ring is larger than the inner wall of the welding piece, and one end of the welding piece is tightly propped and sealed.
After the welding member is fixed, the operator presses the pressing pump 17, the pressing pump 17 inflates the air bag 10 through the air inlet pipe 11, the air bag 10 inflates to seal one end of the welding member, and both ends of the welding member are sealed through the sealing ring and the air bag 10.
After the welding piece is sealed, the air booster pump 7 is started, the electromagnetic valve 5 is opened simultaneously, then the air delivery pressurization is carried out to the inside of the welding piece through the air duct 4 and the air inlet head 13, the air pressure gauge 6 can reflect the internal pressure value of the welding piece in real time, after the internal pressure of the welding piece reaches a certain value, the electromagnetic valve 5 is closed, the air booster pump 7 is closed simultaneously, and then the welding piece is static.
After a period of rest, the numerical value change of the pneumatic pump is observed, after the numerical value pressure of the pneumatic pump is changed, the sealing of the welding piece is detected, and when the welding piece leaks air, the defect position can be marked in time.
Compared with the related art, the welding tightness detection device provided by the utility model has the following beneficial effects:
the utility model provides a welding tightness detection device, which is characterized in that a welding piece is fixed through a clamping piece 9 and a clamping plate 3, two ends of the welding piece are sealed, then an air booster pump 7 is started, an electromagnetic valve 5 is opened at the same time, then air is conveyed and pressurized to the inside of the welding piece through an air guide pipe 4 and an air inlet head 13, the pressure value in the welding piece can be reflected in real time by an air pressure meter 6, after the internal pressure of the welding piece reaches a certain value, the electromagnetic valve 5 is closed, and meanwhile, the air booster pump 7 is closed at the same time, after the welding piece is stationary for a period of time, the value change of the air booster pump is observed, and after the value pressure of the air booster pump is changed, the sealing condition of the welding piece is detected, and the defect position can be marked in time.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A welding tightness detection device, characterized by comprising: the base is fixedly provided with a clamping piece in the middle of one end wall body, a transmission piece is arranged on the base, a clamping plate is arranged on the outer side of the transmission piece, a placing table is fixedly arranged in the middle of the clamping plate, and an air guide piece is fixedly arranged in the middle of the placing table; the air guide piece comprises an air guide column, the air guide column is fixedly arranged in the middle of the placement table, an air inlet head is arranged at one end of the air guide column, a sealing gasket is sleeved on one side of the air inlet head on the air guide column, an air guide pipe is fixedly arranged on the air guide column and one end of the air inlet head, an electromagnetic valve is fixedly arranged on the air guide pipe, an air gauge is fixedly arranged on one side of the air guide pipe on the air guide column, an air booster pump is fixedly arranged on the air guide pipe and one end of the air guide column, the air gauge is electrically connected with the electromagnetic valve and the air booster pump respectively, and the air booster pump is fixedly connected with the clamping plate.
2. The welding tightness detection device according to claim 1, wherein the clamping piece comprises a connecting seat, the connecting seat is fixedly installed on a side wall body of the base, installation blocks are fixedly installed on two sides of the connecting seat, connecting rods are fixedly installed on the installation blocks, connecting columns are movably installed on the connecting rods, guide posts are movably installed in the middle of the two connecting columns, through holes are formed in the connecting columns, an air cylinder is fixedly installed on one side of the connecting seat and one side of the installation block, an output end of the air cylinder penetrates through the through holes and extends to the outer side of the connecting seat, a fixing ring is fixedly installed on the outer side of the output end of the air cylinder, two sides of the fixing ring are movably connected with one side of the two guide posts respectively, a fastening plate is fixedly installed on one end of each connecting column, a placing groove is formed in one side of the fixing ring on the output end of the air cylinder, and a plugging piece is arranged on the inner side of the placing groove.
3. The welding tightness detection device according to claim 1, wherein the transmission member comprises two groups of placing seats, screws are respectively and rotatably arranged on the inner sides of the two groups of placing seats, gears I are fixedly arranged at one ends of the outer sides of the screws, a limiting block is fixedly arranged between the two screws on the base, an installation seat is fixedly arranged at one end of the limiting block, a brake motor is fixedly arranged at one side of the installation seat, an installation rod is arranged at the output end of the brake motor, gears II are fixedly arranged on the outer sides of the installation rod, and the gears II are respectively meshed with gears I at two sides.
4. The welding tightness detection device according to claim 2, wherein the blocking piece comprises an air bag, the air bag is fixedly installed on the inner side of the placing groove, a guide pipe is fixedly installed on one side of the air bag, a pressing pump is fixedly installed at the tail end of the guide pipe, an exhaust pipe is fixedly installed on the guide pipe, and a sealing plug is buckled on the exhaust pipe.
5. The welding tightness detection device according to claim 3, wherein the clamping plate is provided with a guide groove, and the limiting block is arranged on the inner side of the guide groove.
6. The welding tightness detection device according to claim 3, wherein connecting cylinders are fixedly mounted on two sides of the clamping plate, internal threads are formed on inner sides of the two connecting cylinders, the two connecting cylinders are respectively meshed with the two lead screws through the internal threads, and the clamping plate is rotatably arranged on the outer sides of the lead screws through the connecting cylinders.
7. The welding tightness detection device according to claim 1, wherein the inner ring of the sealing gasket is tightly attached to the outer wall of the air guide column, and the sealing gasket is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398115.8U CN220708663U (en) | 2023-09-05 | 2023-09-05 | Welding tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398115.8U CN220708663U (en) | 2023-09-05 | 2023-09-05 | Welding tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708663U true CN220708663U (en) | 2024-04-02 |
Family
ID=90452650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398115.8U Active CN220708663U (en) | 2023-09-05 | 2023-09-05 | Welding tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708663U (en) |
-
2023
- 2023-09-05 CN CN202322398115.8U patent/CN220708663U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105181475B (en) | A kind of impulse test system of servo electric jar supercharging | |
| CN114486101A (en) | Pressure pipeline detection device convenient to operate and using method thereof | |
| CN216559591U (en) | Be used for fire hose valve detection device | |
| CN220708663U (en) | Welding tightness detection device | |
| CN116337366B (en) | Steel pipe fastening clamp for steel pipe underwater air pressure testing machine | |
| CN219455872U (en) | Waterproof roll lap seam waterproof instrument | |
| CN218956033U (en) | Valve tightness detection device | |
| CN217505134U (en) | Sealing test device of bellows | |
| CN202631200U (en) | Air-tightness inspection equipment | |
| CN216247073U (en) | Water detection tool for sealing performance of automobile air conditioner pipeline | |
| CN212779823U (en) | Automatic quick airtight detection device | |
| CN2559976Y (en) | Pressuire leakage testing machine for water heater | |
| CN112362241B (en) | Working method of air tightness detection equipment for automobile pipeline | |
| CN219956829U (en) | Air inlet channel experimental device with leakage prevention function | |
| CN106989872B (en) | Black plastic leakage detection device of filter | |
| CN220670830U (en) | Water-friendly engineering robot for pipeline quality detection | |
| CN2368028Y (en) | Lifting water leakage checking machine | |
| CN221077969U (en) | Water explosion experiment tool | |
| CN221100007U (en) | Be used for under water area to press pipe fitting repair test device | |
| CN220490313U (en) | Air tightness test device for ship piping | |
| CN219977690U (en) | Rubber tube gas tightness detection device | |
| CN214583905U (en) | Air tightness detection device for production of anti-theft ball valve | |
| CN218823035U (en) | Efficient valve test device | |
| CN220288905U (en) | Sealing detection device for pipeline | |
| CN217156116U (en) | Pressure test equipment for lining plastic composite thickened steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |