CN217422524U - High-applicability pressure glue injection plugging tool and connecting joint glue injection plugging system - Google Patents
High-applicability pressure glue injection plugging tool and connecting joint glue injection plugging system Download PDFInfo
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- CN217422524U CN217422524U CN202221206331.7U CN202221206331U CN217422524U CN 217422524 U CN217422524 U CN 217422524U CN 202221206331 U CN202221206331 U CN 202221206331U CN 217422524 U CN217422524 U CN 217422524U
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- 239000003292 glue Substances 0.000 title claims abstract description 117
- 238000002347 injection Methods 0.000 title claims abstract description 78
- 239000007924 injection Substances 0.000 title claims abstract description 78
- 238000007789 sealing Methods 0.000 claims description 40
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 25
- 239000003921 oil Substances 0.000 description 19
- 239000000565 sealant Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 239000012945 sealing adhesive Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000221535 Pucciniales Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
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Abstract
The utility model provides a high-applicability pressure glue injection plugging tool and a connecting joint glue injection plugging system, the high-applicability pressure glue injection plugging tool comprises a clamping piece, an adjusting piece and a pressure glue injection assembly, the clamping piece is provided with a clamping groove, and the adjusting piece and the pressure glue injection assembly are respectively arranged on the groove walls at the two sides of the clamping groove; the glue injection leaking stoppage system for the connecting joints comprises a high-applicability glue injection leaking stoppage tool and two connecting joints, wherein the connecting joints are provided with a plurality of third mounting holes, the third mounting holes in the two connecting joints are correspondingly communicated, a gap communicated with the third mounting holes is formed in the joint surfaces of the two connecting joints, a clamping piece is clamped outside the two connecting joints, an adjusting piece blocks one of the third mounting holes, the glue injection assembly is communicated with the other third mounting hole, and the glue injection assembly injects glue into the gap through the third mounting hole. The utility model discloses a pressure injecting glue leaking stoppage need not disassemble equipment and the oil extraction that has a power failure, has high suitability and the effectual advantage of leaking stoppage.
Description
Technical Field
The utility model relates to an electric power system overhauls and maintains the field, specifically is a high suitability pressure injecting glue leaking stoppage instrument and attach fitting injecting glue leaking stoppage system is related to.
Background
The oil-immersed transformer is used as a main device in a power system, and a large number of flange connection joints are designed for facilitating installation, overhaul and maintenance of the device. Along with the increase of the operation life of equipment, the sealing rubber mat/rubber strip is aged or fails to crack, the body is vacuumized and injected with oil to cause the sealing rubber mat to slightly move or deform, the surface of the flange is rusted, the tightness of the bolt is reduced and other reasons, the sealing performance of the joint surface of the flange is reduced, the leakage of insulating oil on the joint surface is increased, and the permeability of the insulating oil is very strong, so that the leakage problem of the joint surface of the transformer flange and the like is a common multiple problem, and the leakage and plugging are a great difficulty problem because the online leakage plugging means and the leakage plugging effect are very limited.
The commonly used plugging method at present and the defects are as follows:
1. and re-tightening the flange bolts. If it is leakage caused by loosening of the flange bolts, it is effective to retighten the bolts to a rated tightening force, otherwise it is almost ineffective. Statistically, the leakage caused by the loose bolt is less.
2. And coating a sealant outside the flange joint surface. This practice is often undertaken after the tightening of the flange bolts is ineffective, but is also ineffective at preventing leakage, which makes the appearance of the transformer unsightly.
3. And (5) stopping leakage by using AB glue. A method for plugging by smearing AB glue on the outer ring of the joint surface of a flange is suitable for small flanges. The common method is that AB glue is used for completely wrapping the outer part of the flange and installing a small oil drain valve, the method has the disadvantages of high construction difficulty, long plugging time (days or even weeks), and often unsatisfactory plugging effect. Moreover, the treated AB glue is completely hardened, is not beautiful and is difficult to remove, and the difficulty is increased for thorough treatment of later disintegration.
4. The equipment is disassembled and the sealing gasket is replaced. Under the general condition, if the leakage caused by the looseness of the flange fastening bolt is not the leakage, the problem of flange leakage needs to be thoroughly treated, namely equipment needs to be disassembled and a new sealing washer needs to be replaced, so that the transformer has to be powered off to emit insulating oil, the leakage defect is treated and then recovered, the engineering quantity is large, and the normal power generation of a unit is also influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not demolish attach fitting, the simple and convenient pressure injecting glue leaking stoppage instrument of just having good high suitability of leaking stoppage effect of construction.
The second purpose of the utility model is to provide a connector injecting glue leaking stoppage system that contains above-mentioned high suitability pressure injecting glue leaking stoppage instrument.
In order to achieve the first purpose, the utility model provides a high-applicability pressure glue injection plugging tool, which comprises a clamping member, an adjusting member and a pressure glue injection assembly, wherein the clamping member is provided with a clamping groove, and the clamping groove is provided with two groove walls which are oppositely arranged; the adjusting piece is arranged on the wall of the first side groove of the clamping groove, one end of the adjusting piece extends into the clamping groove, and the distance from the end part of the adjusting piece, which extends into the clamping groove, to the wall of the second side groove of the clamping groove is adjustable; the pressure glue injection assembly is arranged on the wall of the second side groove of the clamping groove and can inject glue into the clamping groove.
According to the scheme, one end of the adjusting piece extends into the clamping groove, the end of the adjusting piece and the second side groove wall of the clamping groove are used for clamping the mechanism to be subjected to leaking stoppage construction, and the pressure glue injection assembly is used for injecting the sealant into a leaking stoppage point so as to be beneficial to achieving a leaking stoppage function. The utility model discloses when the leaking stoppage construction, can follow the pressure injecting glue between the outside of treating leaking stoppage construction structures, need not to disassemble the structure of treating the leaking stoppage construction, have high suitability, simple structure, construction easy and simple to handle and the effectual advantage of leaking stoppage.
The clamping piece is designed into a U shape, a first mounting hole is formed in the wall of a first side groove of the clamping piece, a second mounting hole is formed in the wall of a second side groove of the clamping piece, and the first mounting hole and the second mounting hole are coaxially arranged.
The further scheme is that the adjusting piece comprises a clamping portion and a connecting portion, the clamping portion is connected to one end of the connecting portion, the connecting portion is in threaded connection with the first mounting hole, the clamping portion is located in the clamping groove, and the clamping portion and the second side groove wall of the clamping groove form a clamping opening.
The further scheme is that the pressure injecting glue subassembly includes injecting glue mouth, pipeline and injecting glue rifle, and the injecting glue mouth sets up in the second mounting hole, and the both ends of pipeline are connected and are communicate with injecting glue mouth and injecting glue rifle respectively.
The rubber outlet end of the rubber injection nozzle is recessed in the second mounting hole, or the rubber outlet end of the rubber injection nozzle is flush with the wall surface of the second side groove of the clamping groove.
Still further, the conduit is a hose.
In order to realize foretell second purpose, the utility model provides a pair of attach fitting injecting glue leaking stoppage system, attach fitting and as above high suitability pressure injecting glue leaking stoppage instrument including two coaxial settings, attach fitting is provided with the bulge along its circumference protrusion, a plurality of third mounting holes have been seted up with running through to the bulge, a plurality of third mounting holes are arranged along the extending direction of bulge, the third mounting hole on two attach fittings corresponds the intercommunication, be formed with the gap between two attach fitting's the composition surface, gap and third mounting hole intercommunication, two bulges stretch into the tight inslot of clamp of high suitability pressure injecting glue leaking stoppage instrument, one of them third mounting hole of regulating part shutoff, pressure injecting glue subassembly and another third mounting hole intercommunication, pressure injecting glue subassembly passes through third mounting hole to gap injecting glue internal pressure.
According to the scheme, the utility model is adopted to carry out leaking stoppage construction, the connecting joint does not need to be dismantled, and sealant can be injected into the connecting joint through a pressure glue injection mode outside the connecting joint, so that a new sealing glue layer is formed inside the connecting joint, thereby being beneficial to realizing the leaking stoppage function and improving the sealing effect; use oil immersed transformer's leaking stoppage construction as an example, adopt the utility model discloses carry out the leaking stoppage construction, need not to demolish flange joint on the one hand, also need not to have a power failure and arrange oil, can greatly reduced construction cost, save engineering time, effective improve equipment reliability, on the other hand leaking stoppage construction easy operation, convenient, and the leaking stoppage is effectual, has better practical value and economic value.
The further scheme is that the glue injection leaking stoppage system of the connecting joint further comprises a first sealing gasket and a second sealing gasket, the first sealing gasket is arranged between the adjusting piece and the most close protruding part of the adjusting piece, the second sealing gasket is arranged between the second side groove wall of the clamping groove and the most close protruding part of the clamping groove, and a through hole for the sealant to pass through is formed in the middle of the second sealing gasket.
According to a further scheme, the glue injection leakage stoppage system for the connecting joint further comprises a temporary sealing strip, wherein the temporary sealing strip is arranged between the two protruding parts and is positioned on the outermost side of the gap.
Drawings
Fig. 1 is a cross-sectional view of the embodiment of the glue injection leaking stoppage system for the connecting joint of the utility model.
Fig. 2 is a top view of the embodiment of the glue injection leakage stopping system for the connection joint of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and fig. 2, the glue injection and leakage stoppage system for the connection joint provided by the embodiment can be applied to the connection joint of the oil-immersed transformer for leakage stoppage construction. The glue injection leakage stoppage system for the connecting joints comprises a high-applicability pressure glue injection leakage stoppage tool 1, two connecting joints and eight connecting pieces 3, wherein the connecting joints are flange connecting joints 2. The two flange joint connectors 2 are coaxially arranged and fixedly connected, the flange joint connectors 2 are convexly provided with convex parts 22 along the circumferential direction, and the two convex parts 22 are overlapped up and down. The flange joint 2 is filled with insulating oil 4 inside, and in order to prevent insulation leakage, an original flange joint strip 5 is provided between the joint surfaces of the two projecting portions 22 during early installation, and the original flange joint strip 5 extends in the circumferential direction of the flange joint 2.
Eight third mounting holes 21 are formed in the protruding portion 22 of each flange connection joint 2 in a penetrating mode, the eight third mounting holes 21 are uniformly arranged in the extending direction of the protruding portion 22, and the eight third mounting holes 21 are located on the outer side of the original flange sealing rubber strip 5. The third mounting holes 21 of the two flange joint connectors 2 are correspondingly arranged and communicated, and the connecting pieces 3 are respectively connected to the corresponding third mounting holes 21, so that the two flange joint connectors 2 are fixedly connected. A gap 6 is formed between the joint surfaces of the two flange joint connectors 2, and the gap 6 is annular and is positioned outside the original flange sealing rubber strip 5.
Generally, the original flange sealing rubber strip 5 can prevent the insulating oil from leaking to the gap 6, but with the increase of the operation life of the oil-immersed transformer, due to the reasons that the sealing rubber strip is aged or fails to crack, a sealing rubber pad slightly moves or deforms due to vacuumizing oil injection of a body, the surface of a flange rusts, the tightness of a bolt is reduced and the like, the sealing performance of the joint surface of the flange is reduced, and the phenomenon that the insulating oil 4 leaks from the joint surface is caused. At this time, the connector can be detached, the high-applicability pressure injection plugging tool 1 can be fixed on the convex part 22 of the detached connector, and then plugging construction can be performed on the joint surface of the two convex parts 22.
The high-applicability pressure glue injection plugging tool 1 comprises a clamping piece 11, an adjusting piece 12 and a pressure glue injection assembly 13. The clamping piece 11 is provided in a U-shape, the clamping piece 11 being provided with a clamping groove 111, the clamping groove 111 having two oppositely arranged groove walls. The clamping member 11 has a first mounting hole 112 formed through a first side wall thereof, and the first mounting hole 112 is a threaded hole. The clamping member 11 has a second mounting hole 113 formed through a second side groove wall thereof, and preferably, the first mounting hole 112 is coaxially arranged with the second mounting hole 113.
The adjusting piece 12 is arranged on a first side groove wall of the clamping groove 111, one end of the adjusting piece 12 extends into the clamping groove 111, and the distance from the end part of the adjusting piece 12 extending into the clamping groove 111 to a second side groove wall of the clamping groove 111 is adjustable. Specifically, the adjusting member 12 is an adjusting bolt, the adjusting member 12 includes a clamping portion 121 and a connecting portion 122, the clamping portion 121 is connected to an end portion of the connecting portion 122, an outer diameter of the clamping portion 121 is larger than an outer diameter of the connecting portion 122, the connecting portion 122 is in threaded connection with the first mounting hole 112, the clamping portion 121 is located in the clamping groove 111, and a clamping opening for clamping the two flange joints 2 is formed between an end surface of the clamping portion 121 and a second side groove wall of the clamping groove 111. By screwing the adjuster 12, the clamping portion 121 is moved up and down, and the clamping and releasing action is achieved. This embodiment can reciprocate through setting up the regulating part, can be applicable to most flange joint, has good popularization and application and worth.
The pressure glue injection assembly 13 is arranged on the second side groove wall of the clamping groove 111, and the pressure glue injection assembly 13 can inject glue into the clamping groove 111. Specifically, the pressure glue injection assembly 13 includes a glue injection nozzle 131, a pipeline 132 and a glue injection gun 133, wherein the glue injection nozzle 131 may be a common motor oil injection nozzle, and the glue injection gun 133 is a manual grease injection gun. The glue injection nozzle 131 is fixedly arranged in the second mounting hole 113, and the glue outlet end of the glue injection nozzle 131 is recessed in the second mounting hole 113, or the glue outlet end of the glue injection nozzle 131 is flush with the wall surface of the second side groove of the clamping groove 111, so that the glue injection nozzle 131 and the protruding portion 22 are prevented from colliding when the high-applicability pressure glue injection plugging tool 1 is installed. Two ends of the pipeline 132 are respectively connected and communicated with the glue injection nozzle 131 and the glue injection gun 133.
The construction operation steps of the embodiment are as follows:
firstly, before the high-applicability pressure glue injection plugging tool 1 is installed, the first connecting piece 3 is detached, and other connecting pieces 3 are not detached.
Then, the high-applicability pressure glue injection plugging tool 1 is installed, so that the two flange connection joints 2 are clamped in the clamping ports of the high-applicability pressure glue injection plugging tool 1, at this time, the clamping portion 121 of the adjusting piece 12 is just plugged in the third installation hole 21 of the upper protruding portion 22, the glue injection nozzle 131 is communicated with the third installation hole 21 of the lower protruding portion 22, and at this time, the third installation hole 21 and the gap form a closed cavity.
Next, the glue injection gun 133 injects the sealant into the pressure inside the clamping groove 111 through the pipe 132 and the glue injection nozzle 131, that is, injects the sealant into the third mounting hole 21 and the pressure inside the gap 6, and the sealant is driven by the pressure of the glue injection gun 133 to fill and expand the gap 6 from the third mounting hole 21 until the periphery of the third mounting hole 21 is filled with the sealant.
Then, the high-applicability pressure glue injection plugging tool 1 is disassembled and the first connecting piece 3 is installed back, and then the high-applicability pressure glue injection plugging tool is slightly screwed down.
Next, the adjacent second connecting members 3 are detached, and the above steps are repeatedly performed.
Then, the steps are sequentially and repeatedly executed until a circle of new sealing adhesive layer is formed on the outer side of the original flange sealing adhesive tape 5, the sealing adhesive layer and the original flange sealing adhesive tape 5 form a whole, the bearing capacity of the sealing adhesive layer is higher, leakage points can be thoroughly plugged from the inside of the flange connection joint, the sealing effect of the sealing adhesive layer is greatly improved, and the insulating oil 4 is effectively prevented from leaking.
Finally, all the connecting members 3 are tightened with the rated tightening force.
Adopt this embodiment to leak stoppage, only need tear out a connecting piece one by one, can not lead to the seepage to increase or influence the transformer safe motion, consequently the leaking stoppage process need not to have a power failure, also need not the oil extraction.
The embodiment adopts the grease gun to pressurize and inject sealant, and the process requirement is simple, convenient operation can be realized by single operation, and the embodiment can perform leaking stoppage in the running process of the transformer without influencing the normal running of equipment.
In the embodiment, the joint surface of the flange connection joint is injected into the sealing cavity under pressure, so that the sealing glue is filled in the gap inside the sealing cavity, the insulating oil is blocked, the leakage is prevented, and the leakage stopping effect is particularly good.
The leaking stoppage tool of the embodiment can not damage the original flange connection joint, and the injected sealant can not cause pollution to insulating oil, so that the leaking stoppage tool has the advantages of good safety and no secondary pollution.
Besides being applied to the field of oil-immersed transformers, the embodiment can also be applied to other fields or other structures, for example: most flange seal connection structures such as water pipe seal connection structure, oil pipe seal connection structure inject sealed glue through the grease gun pressure, realize the function of leaking stoppage, prevent that liquid such as water, oil from leaking, have advantages such as extensive applicability.
To facilitate the pressurized compound injection operation, the conduit 132 of the present embodiment is preferably a hose.
In order to improve the sealing performance of the glue injection and avoid the sealant from leaking out from the end of the third mounting hole, a first sealing gasket 7 is preferably arranged between the clamping portion 121 and the upper flange joint 2, and the diameter of the first sealing gasket 7 is preferably larger than the outer diameter of the clamping portion 121; set up the second sealed pad 8 between the second cell wall of pressing from both sides tight groove 111 and flange joint 2 under, the second sealed pad 8 is established to the annular, and the perforation that supplies sealed glue to pass through is seted up at the middle part of the second sealed pad 8.
In order to avoid leakage of the sealant from the peripheries of the two flange joint connectors 2 in the glue injection process, a temporary sealing strip 9 can be arranged between the peripheries of the two flange joint connectors 2, the temporary sealing strip 9 is arranged on the outermost side of the gap 6, and the temporary sealing strip 9 can be detached after the plugging operation is completed.
To sum up, the utility model discloses an one end that sets up the regulating part stretches into and presss from both sides tight inslot, utilizes the tip of regulating part and the second side cell wall centre gripping of pressing from both sides tight groove to treat the mechanism of leaking stoppage construction, through setting up pressure injecting glue subassembly for sealed glue of pressure injection in to the leaking stoppage point, be favorable to realizing the leaking stoppage function. The utility model discloses when the leaking stoppage construction, can follow the pressure injecting glue between the outside of treating leaking stoppage construction structures, need not to disassemble the structure of treating the leaking stoppage construction, have high suitability, simple structure, construction easy and simple to handle and the effectual advantage of leaking stoppage. By adopting the utility model to carry out leaking stoppage construction, the connecting joint does not need to be dismantled, and sealant can be injected into the connecting joint through a pressure glue injection mode outside the connecting joint, so that a new sealing glue layer is formed inside the connecting joint, thereby being beneficial to realizing the leaking stoppage function and improving the sealing effect; use oil immersed transformer's leaking stoppage construction as an example, adopt the utility model discloses carry out the leaking stoppage construction, need not to demolish flange joint on the one hand, also need not to have a power failure and arrange oil, can greatly reduced construction cost, save engineering time, effective improve equipment reliability, on the other hand leaking stoppage construction easy operation, convenience, and leaking stoppage is effectual, has better practical value and economic value
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (9)
1. High suitability pressure injecting glue leaking stoppage instrument, its characterized in that includes:
a clamping piece provided with a clamping groove having two oppositely arranged groove walls;
the adjusting piece is arranged on the wall of the first side groove of the clamping groove, one end of the adjusting piece extends into the clamping groove, and the distance from the end part of the adjusting piece, which extends into the clamping groove, to the wall of the second side groove of the clamping groove is adjustable;
and the pressure glue injection assembly is arranged on the wall of the second side groove of the clamping groove and can inject glue into the clamping groove.
2. The high-applicability pressure glue injection plugging tool as claimed in claim 1, wherein:
the clamping piece is U-shaped, a first mounting hole is formed in the first side groove wall of the clamping piece, a second mounting hole is formed in the second side groove wall of the clamping piece, and the first mounting hole and the second mounting hole are coaxially arranged.
3. The high-applicability pressure injection plugging tool of claim 2, characterized in that:
the adjusting part comprises a clamping part and a connecting part, the clamping part is connected to one end of the connecting part, the connecting part is in threaded connection with the first mounting hole, the clamping part is located in the clamping groove, and the clamping part and the second side groove wall of the clamping groove form a clamping opening.
4. The high-applicability pressure injection plugging tool of claim 2, characterized in that:
the pressure injecting glue subassembly includes injecting glue mouth, pipeline and injecting glue rifle, the injecting glue mouth sets up in the second mounting hole, the both ends of pipeline respectively with the injecting glue mouth reaches the injecting glue rifle is connected and is communicate.
5. The high-applicability pressure glue injection plugging tool as claimed in claim 4, wherein:
the glue outlet end of the glue injection nozzle is recessed in the second mounting hole, or the glue outlet end of the glue injection nozzle is flush with the surface of the wall of the second side groove of the clamping groove.
6. The high-applicability pressure glue injection plugging tool as claimed in claim 4, wherein:
the pipeline is a hose.
7. Connector injecting glue leaking stoppage system, including the connector of two coaxial settings, connector is provided with the bulge along its circumference protrusion, a plurality of third mounting holes have been seted up with the bulge runs through, and is a plurality of the third mounting hole is followed the extending direction of bulge is arranged and is arranged, two the last third mounting hole of connector corresponds the intercommunication, two be formed with the gap between connector's the composition surface, the gap with third mounting hole intercommunication, its characterized in that:
the glue injection leakage stoppage system for the connecting joint further comprises the high-applicability glue injection leakage stoppage tool as claimed in any one of claims 1 to 6, the two protrusions extend into a clamping groove of the high-applicability glue injection leakage stoppage tool, the adjusting piece blocks one of the third mounting holes, the pressure glue injection assembly is communicated with the other third mounting hole, and the pressure glue injection assembly injects glue into a gap through the third mounting hole.
8. The glue injection and leakage stoppage system for the connection joint as recited in claim 7, further comprising:
the joint glue injection leaking stoppage system further comprises a first sealing gasket and a second sealing gasket, wherein the first sealing gasket is arranged between the regulating part and the convex part closest to the regulating part, the second sealing gasket is arranged between the second side groove wall of the clamping groove and the convex part closest to the second side groove wall of the clamping groove, and a perforation for passing a sealing glue is arranged in the middle of the second sealing gasket.
9. The glue injection and leakage stoppage system for the connection joints as recited in claim 7, wherein:
the glue injection plugging system for the connecting joint further comprises temporary sealing strips, wherein the temporary sealing strips are arranged between the two protruding parts and located on the outermost side of the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206331.7U CN217422524U (en) | 2022-05-17 | 2022-05-17 | High-applicability pressure glue injection plugging tool and connecting joint glue injection plugging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206331.7U CN217422524U (en) | 2022-05-17 | 2022-05-17 | High-applicability pressure glue injection plugging tool and connecting joint glue injection plugging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217422524U true CN217422524U (en) | 2022-09-13 |
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ID=83186430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221206331.7U Active CN217422524U (en) | 2022-05-17 | 2022-05-17 | High-applicability pressure glue injection plugging tool and connecting joint glue injection plugging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422524U (en) |
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2022
- 2022-05-17 CN CN202221206331.7U patent/CN217422524U/en active Active
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Effective date of registration: 20231226 Address after: B20-B23, 4th Floor, Shopping Mall, International Conference Center Apartment Building, No. 2 Jida Jida Road, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Special Economic Zone Guangzhu Power Generation Co.,Ltd. Address before: 519000 in Zhuhai Power Plant, Lingang Industrial Zone, Zhuhai City, Guangdong Province Patentee before: Zhuhai Power Plant of Guangdong Energy Group Co.,Ltd. |