CN115931257B - Cold working detection device for aluminum alloy pipe - Google Patents
Cold working detection device for aluminum alloy pipe Download PDFInfo
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- CN115931257B CN115931257B CN202211729605.5A CN202211729605A CN115931257B CN 115931257 B CN115931257 B CN 115931257B CN 202211729605 A CN202211729605 A CN 202211729605A CN 115931257 B CN115931257 B CN 115931257B
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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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Abstract
The invention discloses an aluminum alloy pipe cold working detection device, which relates to the technical field of aluminum alloy pipe detection and comprises a supporting table, wherein a sealing plug is fixed on one side, opposite to a pushing disc, of the fixing disc, an air pump is arranged on the supporting table, a limiting collar for the aluminum alloy pipe to pass through is rotatably arranged on a sliding frame, a short pipe is fixed on the sliding frame, the short pipe is sleeved on the aluminum alloy pipe, an extension plate is fixed on the limiting collar, and a hollow arc block is attached to the outer wall of the aluminum alloy pipe. According to the invention, air is injected into the aluminum alloy pipe through the arranged air pump, the air tightness condition of the aluminum alloy pipe is judged by observing the air pressure condition in the aluminum alloy pipe through the arranged air pressure gauge, the position of the short pipe can be adjusted relative to the aluminum alloy pipe through the arranged sliding frame, when the aluminum alloy pipe leaks, the leakage area along the axial direction of the aluminum alloy pipe can be accurately determined by means of the air pressure value measured by the air pressure sensor I, and the detection effect of the aluminum alloy pipe is greatly improved.
Description
Technical Field
The invention relates to the technical field of aluminum alloy pipe detection, in particular to an aluminum alloy pipe cold working detection device.
Background
The aluminum alloy is an alloy based on aluminum and added with a certain amount of other alloying elements, and is one of light metal materials. Besides the general characteristics of aluminum, the aluminum alloy has specific characteristics of some alloys due to different types and amounts of added alloying elements, has specific strength close to that of high alloy steel, has specific rigidity exceeding that of steel, good casting performance and plastic workability, good electric conductivity and heat conductivity, good corrosion resistance and weldability, can be used as structural materials, and has wide application in aerospace, aviation, transportation, construction, electromechanics, lightening and daily necessities.
After the cold working of the aluminum alloy pipe is finished, the aluminum alloy pipe is required to be subjected to air tightness detection so as to detect whether the side wall of the aluminum alloy pipe has cracks, but in the use process, the existing air tightness detection device for the aluminum alloy pipe can only judge whether the aluminum alloy pipe has leakage or not, and can not accurately judge the leakage position of the aluminum alloy pipe, and the technical defects in the prior art are overcome, so that the cold working detection device for the aluminum alloy pipe is provided.
Disclosure of Invention
The invention aims to provide an aluminum alloy pipe cold working detection device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an aluminum alloy pipe cold working detection device, includes the brace table, be fixed with the fixed disk on the brace table, slidable mounting on the brace table with the fixed disk level corresponds to pushing away the dish, push away the dish with one side that the fixed disk is relative all is fixed with sealed chock plug, installs the air pump on the brace table, and the bellows is installed to the exit end of air pump, and the bellows runs through to push away the dish and communicates with the aluminum alloy pipe, install the barometer with aluminum alloy pipe intercommunication on the fixed disk, slidable mounting has in on the brace table to push away the frame that slides between dish and the fixed disk, it installs the spacing lantern ring that supplies the aluminum alloy pipe to pass to rotate on the frame to slide, be fixed with the nozzle stub on the frame that slides, the nozzle stub cup joints on the aluminum alloy pipe, the both ends of nozzle stub all install the seal assembly that is used for sealing the space that nozzle stub and aluminum alloy pipe formed, embedded install air pressure sensor I on the nozzle stub, be fixed with the extension board on the extension board, slidable mounting has the adjustment frame on the extension board, the adjustment frame has the fixed block to keep away from with the arc-shaped seal assembly, seal assembly is kept away from to seal assembly between the arc-shaped rubber pipe and the arc-shaped block.
As an improvement scheme of the invention: the sealing assembly comprises a fixed sleeve ring fixedly sleeved on the fixed disc, a rotating ring is sleeved on the fixed sleeve ring through threads, a thrust ring is rotatably arranged on the inner wall of the rotating ring, a round table rubber ring sleeved on an aluminum alloy pipe is fixed at the end part of the fixed disc, and the inner wall of the thrust ring is in butt joint with the outer wall of the round table rubber ring.
As an improvement scheme of the invention: the support table is fixedly provided with a straight rack, the sliding frame is fixedly provided with a motor I, and an output shaft of the motor I is coaxially fixedly provided with an incomplete gear which is intermittently meshed with the straight rack.
As an improvement scheme of the invention: the support bench is fixed with the fixed strip parallel with straight rack, equidistant a plurality of V-arrangement groove of seting up on the fixed strip, slidable mounting has the thrust post on the carriage, the one end of thrust post be fixed with V-arrangement groove grafting adaptation's triangular block.
As an improvement scheme of the invention: the one end that the thrust post kept away from the triangular block is fixed with the fender dish, the fender dish with be fixed with the spring ring between the frame that slides, the spring ring cup joints on the thrust post.
As an improvement scheme of the invention: the elastic pushing assembly comprises a side plate fixed on the sliding tube, a connecting spring is fixedly connected between the side plate and the hollow arc block, and an adjusting stud in threaded connection with the adjusting frame is rotatably arranged on the extending plate.
As an improvement scheme of the invention: the sliding frame is fixedly provided with a motor I, an output shaft of the motor I is coaxially fixed with a worm, the worm is connected with a worm wheel in a meshed mode, a driving gear is coaxially fixed on the worm wheel, and an outer gear ring meshed with the driving gear is fixedly sleeved on the limiting collar.
As an improvement scheme of the invention: the support table is rotatably provided with a threaded rod, the threaded rod is in threaded connection with the pushing disc, and the end part of the threaded rod is fixedly provided with a crank.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, air is injected into the aluminum alloy pipe through the arranged air pump, the air tightness condition of the aluminum alloy pipe is judged by observing the air pressure condition in the aluminum alloy pipe through the arranged air pressure gauge, the position of the short pipe can be adjusted relative to the aluminum alloy pipe through the arranged sliding frame, when the aluminum alloy pipe leaks, the leakage area along the axial direction of the aluminum alloy pipe can be accurately determined by means of the air pressure value measured by the air pressure sensor I, and the detection effect of the aluminum alloy pipe is greatly improved.
According to the invention, the outer gear ring is driven to rotate by the driving gear, so that the limiting collar can drive the extension plate to rotate around the central axis of the aluminum alloy pipe for adjustment, and the sealing rubber block is rotationally adjusted while being attached to the outer wall of the aluminum alloy pipe, so that when the sealing rubber block corresponds to the leakage position of the aluminum alloy pipe, the leakage position along the circumferential direction of the aluminum alloy pipe is determined by means of the air pressure value measured by the air pressure sensor II, and the accurate positioning of the leakage detection of the aluminum alloy pipe is realized.
Drawings
FIG. 1 is a schematic view of the structure of the present invention at a certain viewing angle;
FIG. 2 is a schematic view of the structure of the present invention at another view angle;
FIG. 3 is a schematic view of the partial structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic diagram of the explosive structure of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the truncated cone rubber ring of the present invention partially cut away;
FIG. 6 is a schematic diagram showing the connection of hollow arc blocks, sliding tubes, extension plates, adjusting brackets, air pressure sensors II and other components in the invention;
FIG. 7 is a schematic view of the explosive structure of FIG. 6 according to the present invention;
FIG. 8 is a schematic structural view of the components of the invention including the skid, the limit collar, the outer gear ring, the incomplete gear, the motor I, etc.;
fig. 9 is a schematic view of the partial structure of fig. 8 in the present invention.
In the figure: 1-supporting table, 2-hand crank, 3-sliding frame, 4-threaded rod, 5-pushing disc, 6-sealing plug, 7-barometer, 8-fixed disc, 9-short tube, 10-barometer I, 11-barometer II, 12-external gear ring, 13-extension plate, 14-hollow arc block, 15-air pump, 16-triangular block, 17-straight rack, 18-bellows, 19-aluminum alloy tube, 20-fixed strip, 21-V-shaped groove, 22-motor I, 23-driving gear, 24-worm wheel, 25-rotating ring, 26-round table rubber ring, 27-pushing ring, 28-fixed collar, 29-connecting spring, 30-sliding tube, 31-side plate, 32-adjusting frame, 33-sealing rubber block, 34-sealing rubber ring, 35-limit collar, 36-worm, 37-incomplete gear, 38-baffle disc, 39-spring ring, 40-pushing column, 41-adjusting stud.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments:
example 1
Referring to fig. 1-9, an aluminum alloy pipe cold working detection device comprises a supporting table 1, a fixed disc 8 is fixed on the supporting table 1, a pushing disc 5 horizontally corresponding to the fixed disc 8 is slidably installed on the supporting table 1, a sealing plug 6 is fixed on one side, opposite to the fixed disc 8, of the pushing disc 5, an air pump 15 is installed on the supporting table 1, a corrugated pipe 18 is installed at the outlet end of the air pump 15, the corrugated pipe 18 penetrates through the pushing disc 5 and is communicated with an aluminum alloy pipe 19, an air pressure gauge 7 communicated with the aluminum alloy pipe 19 is installed on the fixed disc 8, a threaded rod 4 is rotatably installed on the supporting table 1, the threaded rod 4 is in threaded connection with the pushing disc 5, and a crank 2 is fixed at the end of the threaded rod 4.
When the air tightness detection operation is carried out on the aluminum alloy pipe 19, one end of the aluminum alloy pipe 19 is abutted with the fixed disc 8, the sealing plug 6 fixed on the fixed disc 8 is plugged into one end of the aluminum alloy pipe 19, the other end of the aluminum alloy pipe 19 is abutted with the pushing disc 5, the sealing plug 6 on the pushing disc 5 is plugged into the other end of the aluminum alloy pipe 19, the threaded rod 4 is driven to rotate by the rocking handle 2, the threaded rod 4 drives the pushing disc 5 to axially move relative to the aluminum alloy pipe 19, the pushing disc 5 and the fixed disc 8 clamp and fix the aluminum alloy pipe 19, the two sealing plugs 6 can carry out end sealing treatment on the aluminum alloy pipe 19, air is conveyed through the corrugated pipe 18 by means of the air pump 15, the pressure air enters the aluminum alloy pipe 19 to be pressurized, the air pressure gauge 7 can realize real-time monitoring on the pressure of the aluminum alloy pipe 19, after a period of pressure retention, the air tightness condition of the aluminum alloy pipe 19 is determined by means of numerical change of the air pressure gauge 7, if the pipe wall of the aluminum alloy pipe 19 is cracked, the numerical value of the air gauge 7 is reduced, and if the numerical value of the pipe wall of the aluminum alloy pipe 19 is well-maintained, and the numerical value of the air gauge 7 is stable.
In addition, sliding frame 3 that is in between pushing against dish 5 and fixed disk 8 is installed to slidable mounting on brace table 1, and the spacing lantern ring 35 that supplies aluminum alloy pipe 19 to pass is installed in the rotation on the sliding frame 3, is fixed with nozzle stub 9 on the sliding frame 3, and nozzle stub 9 cup joints on aluminum alloy pipe 19, and seal assembly who is used for sealing the space that nozzle stub 9 and aluminum alloy pipe 19 formed is all installed at the both ends of nozzle stub 9, and seal assembly includes fixed lantern ring 28 that fixedly cup joints on fixed disk 8, and the screw thread cup joints on the fixed lantern ring 28 and has rotated ring 25, and the inner wall rotation of rotation ring 25 is installed and is pushed against ring 27, and the tip of fixed disk 8 is fixed with the round platform rubber ring 26 that cup joints on aluminum alloy pipe 19, and the inner wall of pushing against ring 27 and the outer wall butt of round platform rubber ring 26.
The aluminum alloy pipe 19 passes through the inside of the push ring 27, the round platform rubber ring 26 is sleeved on the aluminum alloy pipe 19, when the rotary ring 25 is screwed, the rotary ring 25 rotates relative to the fixed collar 28, at the moment, the push ring 27 can move towards the fixed disc 8 along with the rotary ring 25, so that the push ring 27 applies acting force towards the center of the aluminum alloy pipe 19 to the round platform rubber ring 26, the round platform rubber ring 26 can be tightly attached to the aluminum alloy pipe 19, good tightness of a space formed by the short pipe 9 and the aluminum alloy pipe 19 is ensured, when the side wall of the aluminum alloy pipe 19 leaks, the leaked air can enter a closed space formed by the short pipe 9 and the aluminum alloy pipe 19, and the pressure detection of the air pressure sensor II11 is facilitated, so that whether the aluminum alloy pipe 19 leaks or not at the position where the short pipe 9 is located is judged.
The straight rack 17 is fixed on the supporting table 1, the motor I22 is fixed on the sliding frame 3, and an incomplete gear 37 which is intermittently meshed with the straight rack 17 is coaxially fixed on the output shaft of the motor I22. The support table 1 is fixedly provided with a fixing strip 20 parallel to the straight toothed strip 17, a plurality of V-shaped grooves 21 are formed in the fixing strip 20 at equal intervals, the sliding frame 3 is slidably provided with a pushing post 40, and one end of the pushing post 40 is fixedly provided with a triangular block 16 which is in plug-in fit with the V-shaped grooves 21. A baffle disc 38 is fixed at one end of the pushing post 40 away from the triangular block 16, a spring ring 39 is fixed between the baffle disc 38 and the sliding frame 3, and the spring ring 39 is sleeved on the pushing post 40.
The motor I22 can drive the incomplete gear 37 to rotate, the incomplete gear 37 is meshed with the straight rack 17 intermittently in the rotating process, the sliding frame 3 can realize position adjustment, the axial position of the short pipe 9 relative to the aluminum alloy pipe 19 can be flexibly adjusted, the leakage position of the aluminum alloy pipe 19 along the axial direction can be conveniently and sectionally checked through the numerical change of the air pressure sensor I10, and the accurate judgment of the leakage position is realized.
In the process of moving the position of the sliding frame 3, the triangular block 16 slides relative to the fixing strip 20, the triangular block 16 can be inserted into different V-shaped grooves 21, and under the elastic pushing action of the spring ring 39, the triangular block 16 is stably clamped in the V-shaped grooves 21, so that the position stability of the short pipe 9 in the detection process is ensured, and the leakage area is accurately determined.
Example 2
Referring to fig. 1-9, on the basis of embodiment 1, in addition, an air pressure sensor I10 is embedded in the short pipe 9, an extension plate 13 is fixed on a limit collar 35, an adjusting frame 32 is slidably mounted on the extension plate 13, a sliding tube 30 penetrating through the extension plate 13 is fixed on the adjusting frame 32, a hollow arc-shaped block 14 is slidably sleeved on the sliding tube 30, the hollow arc-shaped block 14 is attached to the outer wall of the aluminum alloy tube 19, a sealing rubber block 33 is embedded and fixed on the hollow arc-shaped block 14, the sealing rubber block 33 is attached to the outer wall of the aluminum alloy tube 19, a sealing rubber ring 34 abutting against the sliding tube 30 is fixedly mounted at one end, far away from the aluminum alloy tube 19, of the sealing rubber block 33, and an elastic pushing component is mounted between the sliding tube 30 and the hollow arc-shaped block 14.
The axial leakage position of the aluminum alloy pipe 19 can be detected through the short pipe 9 and the air pressure sensor I10, after the axial leakage position is determined, the sliding frame 3 is adjusted to move, the hollow arc-shaped block 14 is made to move to the axial leakage position of the aluminum alloy pipe 19, the elastic pushing component comprises a side plate 31 fixed on the sliding pipe 30, a connecting spring 29 is fixedly connected between the side plate 31 and the hollow arc-shaped block 14, and an adjusting stud 41 in threaded connection with the adjusting frame 32 is rotatably arranged on the extending plate 13. The sliding frame 3 is fixedly provided with a motor I22, an output shaft of the motor I22 is coaxially fixed with a worm 36, the worm 36 is connected with a worm wheel 24 in a meshed manner, the worm wheel 24 is coaxially fixed with a driving gear 23, and the limiting collar 35 is fixedly sleeved with an outer gear ring 12 meshed with the driving gear 23.
The adjusting stud 41 is screwed to drive the adjusting frame 32 and the sliding tube 30 to move towards the aluminum alloy tube 19, at the moment, the connecting spring 29 is elastically compressed, one end of the sliding tube 30 away from the adjusting frame 32 is tightly abutted against the sealing rubber ring 34, and a sealed detection space is formed by the sealing rubber block 33, the sliding tube 30, the air pressure sensor II11 and the outer wall of the aluminum alloy tube 19.
Can drive worm 36 through motor I22 and rotate, worm 36 drives worm wheel 24 and rotates, and worm wheel 24 drives outer ring gear 12 and rotate, and outer ring gear 12 drives spacing lantern ring 35 and extension board 13 and rotates, and cavity arc piece 14 and sealing rubber piece 33 can be relative aluminum alloy pipe 19 annular rotation regulation position this moment, can survey the atmospheric pressure of above-mentioned airtight detection space through the numerical value of air pressure sensor II11, and then realize revealing the detection to aluminum alloy pipe 19 annular different positions for the defect detection position of aluminum alloy pipe 19 confirms more accurately, nimble.
In summary, according to the invention, air is injected into the aluminum alloy pipe 19 through the air pump 15, the air tightness condition of the aluminum alloy pipe 19 is judged by observing the air pressure condition inside the aluminum alloy pipe 19 through the air pressure gauge 7, the position of the short pipe 9 can be adjusted relative to the aluminum alloy pipe 19 through the sliding frame 3, when the aluminum alloy pipe 19 leaks, the leakage area along the axial direction of the aluminum alloy pipe 19 can be accurately determined by the air pressure value measured by the air pressure sensor I10, and the detection effect of the aluminum alloy pipe 19 is greatly improved. According to the invention, the outer gear ring 12 is driven to rotate by the driving gear 23, so that the limiting collar 35 can drive the extension plate 13 to rotate around the central axis of the aluminum alloy pipe 19, and the sealing rubber block 33 is rotated and regulated while being attached to the outer wall of the aluminum alloy pipe 19, so that when the sealing rubber block 33 corresponds to the leakage position of the aluminum alloy pipe 19, the leakage position along the circumferential direction of the aluminum alloy pipe 19 is determined by means of the air pressure value measured by the air pressure sensor II11, and the accurate positioning of the leakage detection of the aluminum alloy pipe 19 is realized.
It should be noted that, although the present disclosure describes embodiments, each embodiment does not include a separate technical solution, and the description is only for clarity, those skilled in the art should understand that the technical solutions in the embodiments may be properly combined to form other embodiments that can be understood by those skilled in the art, and the above embodiments only represent the preferred embodiments of the present disclosure, and the description is more specific and detailed, but should not be construed as limiting the scope of the claims. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which fall within the scope of the present invention. The protection scope of the technical scheme patent is subject to the appended claims.
Claims (8)
1. The utility model provides an aluminum alloy pipe cold working detection device, includes brace table (1), be fixed with fixed disk (8) on brace table (1), slidable mounting on brace table (1) with fixed disk (8) level corresponds support push away dish (5), support push away dish (5) with fixed disk (8) opposite one side all is fixed with sealed plug head (6), characterized in that, install air pump (15) on brace table (1), bellows (18) are installed to the exit end of air pump (15), bellows (18) run through support push away dish (5) and with aluminum alloy pipe (19) intercommunication, install on fixed disk (8) with air gauge (7) of aluminum alloy pipe (19) intercommunication, slidable mounting is in on brace table (1) support push away slide frame (3) between dish (5) and fixed disk (8), rotate on support frame (3) and install spacing lantern ring (35) that supply aluminum alloy pipe (19) to pass, be fixed with on slide frame (3) and support slide, seal up and cup joint on spool (9) and seal up spool (9) and take place in the spool (9) and seal up the spool space on spool (9), the utility model discloses a pneumatic pressure sensor I (10) is installed to embedded on nozzle stub (9), be fixed with extension board (13) on spacing lantern ring (35), slidable mounting has alignment jig (32) on extension board (13), be fixed with on alignment jig (32) and run through slip pipe (30) of extension board (13), slip cup joint hollow arc piece (14) on slip pipe (30), hollow arc piece (14) are laminated with aluminum alloy pipe (19) outer wall, inlay on hollow arc piece (14) and establish and be fixed with sealing rubber piece (33), sealing rubber piece (33) are laminated with aluminum alloy pipe (19) outer wall, sealing rubber piece (33) keep away from one end fixed with of aluminum alloy pipe (19) sealing rubber ring (34) with slip pipe (30) butt, install elasticity between slip pipe (30) with hollow arc piece (14).
2. The cold working detection device for the aluminum alloy pipe according to claim 1, wherein the sealing assembly comprises a fixed sleeve ring (28) fixedly sleeved on the fixed disc (8), a rotating ring (25) is sleeved on the fixed sleeve ring (28) in a threaded manner, a pushing ring (27) is rotatably arranged on the inner wall of the rotating ring (25), a round table rubber ring (26) sleeved on the aluminum alloy pipe (19) is fixedly arranged at the end part of the fixed disc (8), and the inner wall of the pushing ring (27) is abutted with the outer wall of the round table rubber ring (26).
3. An aluminum alloy pipe cold working detection device according to claim 1, characterized in that a straight rack (17) is fixed on the supporting table (1), a motor I (22) is fixed on the sliding frame (3), and an incomplete gear (37) intermittently meshed with the straight rack (17) is coaxially fixed on an output shaft of the motor I (22).
4. The aluminum alloy pipe cold working detection device according to claim 3, wherein a fixing strip (20) parallel to the straight toothed strip (17) is fixed on the supporting table (1), a plurality of V-shaped grooves (21) are formed in the fixing strip (20) at equal intervals, a pushing post (40) is slidably mounted on the sliding frame (3), and a triangular block (16) which is in plug-in fit with the V-shaped grooves (21) is fixed at one end of the pushing post (40).
5. The cold working detection device for aluminum alloy pipes according to claim 4, wherein a baffle disc (38) is fixed at one end of the pushing column (40) far away from the triangular block (16), a spring ring (39) is fixed between the baffle disc (38) and the sliding frame (3), and the spring ring (39) is sleeved on the pushing column (40).
6. An aluminium alloy tube cold working detection device according to claim 1, wherein the elastic pushing assembly comprises a side plate (31) fixed on the sliding tube (30), a connecting spring (29) is fixedly connected between the side plate (31) and the hollow arc block (14), and an adjusting stud (41) in threaded connection with the adjusting frame (32) is rotatably arranged on the extending plate (13).
7. An aluminum alloy pipe cold working detection device according to claim 1, wherein a motor I (22) is fixed on the sliding frame (3), a worm (36) is coaxially fixed on an output shaft of the motor I (22), a worm wheel (24) is connected on the worm (36) in a meshed mode, a driving gear (23) is coaxially fixed on the worm wheel (24), and an outer gear ring (12) meshed with the driving gear (23) is fixedly sleeved on the limiting collar (35).
8. The aluminum alloy pipe cold working detection device according to claim 1, wherein a threaded rod (4) is rotatably installed on the supporting table (1), the threaded rod (4) is in threaded connection with the pushing disc (5), and a crank (2) is fixed at the end of the threaded rod (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211729605.5A CN115931257B (en) | 2022-12-30 | 2022-12-30 | Cold working detection device for aluminum alloy pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211729605.5A CN115931257B (en) | 2022-12-30 | 2022-12-30 | Cold working detection device for aluminum alloy pipe |
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| CN115931257A CN115931257A (en) | 2023-04-07 |
| CN115931257B true CN115931257B (en) | 2023-06-30 |
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| CN117968985B (en) * | 2024-03-26 | 2024-05-28 | 常州市金坛鸿图橡塑制品有限公司 | Rubber tube continuous air tightness detection device |
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| CN211234879U (en) * | 2020-01-11 | 2020-08-11 | 杭州龙驹合成材料有限公司 | Detector for detecting air tightness of pipeline |
| JP2020197518A (en) * | 2019-06-02 | 2020-12-10 | 温州▲てい▼安智能科技有限公司 | Quality measuring apparatus for pneumatic equipment |
| CN216623461U (en) * | 2021-09-13 | 2022-05-27 | 四川蜀龙安全技术咨询服务有限公司 | Be used for natural gas to reveal safety alarm device |
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2022
- 2022-12-30 CN CN202211729605.5A patent/CN115931257B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221797A (en) * | 2010-07-21 | 2013-07-24 | 高级知识产权有限公司 | Joint cover with manifold block for duct leak detection system |
| CN106949382A (en) * | 2017-04-21 | 2017-07-14 | 上海山南勘测设计有限公司 | A kind of device and its application method for being used to detect pipeline liquid leakage |
| CN107327711A (en) * | 2017-08-16 | 2017-11-07 | 马鞍山英维爱生态科技有限公司 | A kind of scan-type pipeline leakage testing agency |
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| CN115931257A (en) | 2023-04-07 |
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