CN220854017U - Tool for pressure test and plugging of tubulation - Google Patents
Tool for pressure test and plugging of tubulation Download PDFInfo
- Publication number
- CN220854017U CN220854017U CN202322650889.5U CN202322650889U CN220854017U CN 220854017 U CN220854017 U CN 220854017U CN 202322650889 U CN202322650889 U CN 202322650889U CN 220854017 U CN220854017 U CN 220854017U
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims abstract description 8
- 229920001973 fluoroelastomer Polymers 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a tube array pressure test and plugging tool, and belongs to the technical field of tube array maintenance and detection. Solves the problem that the traditional tube array pressure testing tool in the prior art is difficult to pressurize and test leakage; the second screw cap, the supporting plate, the folding plate and the fixing plate form a front end structure; the center of the supporting plate is provided with a hole, and the second screw rod penetrates through the supporting plate; the two plate surfaces of the folding plate are provided with long holes, and the two ends of the supporting plate are in sliding connection with the long holes of the folding plate; one surface of the fixed plate is provided with a pointed claw, and the other surface of the fixed plate is connected with the end part of the folding plate which is not overlapped; the first screw, the first nut, the circular plate and the rubber ring form a rear end structure; the two ends of the circular plate are provided with baffle plates, the rubber ring is arranged on the inner side of the baffle plates of the circular plate, the center of the circular plate is provided with a hole, and the first screw rod penetrates through the circular plate; the front end structure is connected with the rear end structure, and the rear end structure is connected with the threaded hollow column; the utility model can be applied to the pressure test of the tubulation, and meets the requirement of plugging and sealing under the pressurizing condition.
Description
Technical Field
The utility model relates to a tube array related tool, in particular to a tube array pressure test and plugging tool, and belongs to the technical field of tube array maintenance and detection.
Background
At present, a tube type heat exchanger has become one of main choices in industrial production, the tube type heat exchanger is simpler and more compact in structure, low in manufacturing cost and high in efficient heat exchange rate, but with the transportation of vapor and liquid by tube side and shell side, energy exchange and long-time stopping and freezing in extremely cold weather, leakage points are easily generated by the tube side, heat exchange efficiency is affected, the tube side and the shell side vapor and liquid are mutually mixed, and when circulating media on one side in the tube side and the shell side are dangerous chemicals, potential safety hazards are extremely large.
In the prior art, a patent document with publication number CN 106871704B discloses an online plugging method of a tube type heat exchanger, firstly, selecting a round steel with the outer diameter smaller than the inner diameter of a heat exchange tube, and turning external threads at two ends of the round steel; then, enabling round steel to pass through the heat exchange tube at the leakage position from the tube plate at one side and extend out of the tube plate at the other side, installing nuts at the two ends of the round steel, which extend out of the tube plates at the two sides respectively, and arranging an annular sealing gasket between the nuts and the outer plate surface of the tube plate; a sealing material is wound between the internal thread of the nut and the external thread of the round steel; finally, nuts at two ends are screwed down, so that the nuts are tightly pressed against the outer plate surface of the tube plate through the sealing gasket, and leakage elimination can be realized; however, the round steel selected is too long and is not practical. The patent document with publication number CN 217083466U discloses a plugging device for non-welding plugging of a shell and tube heat exchanger, which comprises an expansion material, a fastening screw for fixing the expansion material, a fastening nut matched with the fastening screw, wherein the expansion material is cylindrical, the outer diameter of the expansion material is matched with the inner diameter of a leakage pipeline, a screw through hole is arranged along the central axis of the expansion material, the fastening screw penetrates through the screw through hole to be matched with the fastening nut, the hardness of the expansion material is smaller than that of the fastening screw, and the hardness of the expansion material is smaller than that of the leakage pipeline; however, the friction coefficient between the used expansion sealing material and the tube array is small, and the tube array cannot bear the operation of pressing and leakage test.
Therefore, the tube-array pressure test and plugging tool in the prior art has the problems of low efficiency, poor sealing and incapability of ensuring that a certain pressure value is maintained in the tube, and can possibly cause the situation that the liquid medium leaks again in the tube side.
Disclosure of utility model
The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model. Its purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
In view of the above, the utility model provides a tube array pressure test and leakage blocking tool for solving the problem that the conventional tube array pressure test tool in the prior art is difficult to test leakage under pressure.
The technical proposal is as follows: a tool for testing pressure and plugging a tube comprises a screw, a nut, a circular plate, a rubber ring, a supporting plate, a folding plate and a fixing plate;
The screw comprises a first screw and a second screw;
the nut comprises a first nut and a second nut;
The second screw cap, the supporting plate, the folding plate and the fixing plate form a front end structure;
The center of the supporting plate is provided with a hole, the rear side of the supporting plate is provided with a second screw cap, and the second screw rod penetrates through the supporting plate and the second screw cap;
The two plate surfaces of the folding plate are provided with long holes, and the two ends of the supporting plate are in sliding connection with the long holes of the folding plate;
The fixed plate is provided with a pointed claw on one surface and is connected with the end part of the folding plate, which is not overlapped;
The first screw rod, the first screw cap, the circular plate and the rubber ring form a rear end structure;
The two ends of the circular plate are provided with baffle plates, the rubber rings are arranged on the inner sides of the baffle plates of the circular plate, the center of the circular plate is provided with a hole, the rear side of the circular plate is provided with a first screw cap, and the first screw rod penetrates through the circular plate and the first screw cap;
the front end structure is connected with the rear end structure through threads of the first screw rod and the second screw rod, and the circular plate is connected with the threaded hollow column.
Further, two ends of the supporting plate are in sliding connection with the long holes of the folding plate through the matching of bolts and nuts.
Further, the rubber ring is a fluororubber rubber ring.
The beneficial effects of the utility model are as follows: the utility model can test the pressure of a single tube array, ensures the detection accuracy and is convenient for searching leakage points; according to the utility model, the second nut is fastened by utilizing the tensioning principle, so that the fixing plate with the sharp claw is tightly attached to the inner wall of the tubular column due to friction force under the condition of being stressed, and the requirement of plugging and pressure test under the low-pressure working condition is met; the sealing ring disclosed by the utility model has a variety of material choices, and fluororubber rubber rings are selected for the vapor and liquid conveyed by the tube side and the shell side, so that the secondary leakage of a tube side liquid medium is effectively avoided; the utility model has the following advantages: firstly, the tool material has wide selectivity, and different materials can be selected according to working conditions; secondly, the replacement of parts is strong, common parts such as nuts, screws, sealing rings and the like are adopted for assembly, and subsequent maintenance is facilitated; thirdly, the pipe is suitable for various pipe diameters, and different parts can be manufactured and selected at any time according to the pipe diameters; fourth, be applicable to the tubulation that has certain pressure, can increase the quantity of backup pad and take the fixed plate of sharp claw in the equipment process, increase the frictional force of fixed plate and tubulation inner wall, make it possess more excellent shutoff withstand voltage ability, reach more effective sealedly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a tubular pressure test and leak stoppage tool.
Reference numerals: 1. a threaded hollow column; 2. a first screw; 3. a first nut; 4. a circular plate; 5. a rubber ring; 6. a second screw; 7. a second nut; 8. a support plate; 9. a folding plate; 10. and a fixing plate.
Detailed Description
In order to make the embodiments and advantages of the present utility model clearer, the embodiments of the present utility model will be described in further detail below with reference to the attached drawings, it should be apparent that the described embodiments are only some embodiments of the present utility model, and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the inside of two electric elements or interaction relationship between the two electric elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, the embodiment is described in detail, which is a tool for testing pressure and plugging a tube, comprising a screw, a nut, a circular plate 4, a rubber ring 5, a supporting plate 8, a folding plate 9 and a fixing plate 10;
the screw comprises a first screw 2 and a second screw 6;
The nuts comprise a first nut 3 and a second nut 7;
the second screw cap 7, the supporting plate 8, the folding plate 9 and the fixing plate 10 form a front end structure;
A hole is formed in the center of the supporting plate 8, a second screw cap 7 is arranged on the rear side of the supporting plate 8, and the second screw rod 6 penetrates through the supporting plate 8 and the second screw cap 7;
The two plate surfaces of the folding plate 9 are provided with long holes, and the two ends of the supporting plate 8 are in sliding connection with the long holes of the folding plate 9;
the fixed plate 10 is provided with a pointed claw on one surface and is connected with the end part of the folding plate 9 which is not overlapped;
The first screw rod 2, the first screw cap 3, the circular plate 4 and the rubber ring 5 form a rear end structure;
The two ends of the circular plate 4 are provided with baffles, the rubber ring 5 is arranged on the inner side of the baffles of the circular plate 4, the center of the circular plate 4 is provided with a hole, the rear side of the circular plate 4 is provided with a first screw cap 3, and the first screw rod 2 penetrates through the circular plate 4 and the first screw cap 3;
The front end structure and the rear end structure are connected through threads of the first screw rod 2 and the second screw rod 6, and the circular plate 4 is connected with the threaded hollow column 1.
Further, both ends of the support plate 8 are slidably connected with the long holes of the folding plate 9 by the cooperation of bolts and nuts.
Further, the rubber ring 5 is a fluororubber rubber ring;
Specifically, the fluororubber TP rubber ring is selected and used in the embodiment, has the advantages of steam resistance and alkali resistance, and can replace fluororubber sealing rings with different characteristics according to the properties of steam and liquid conveyed by a tube side and a shell side, such as fluororubber 23 rubber ring, fluororubber 26 rubber ring, fluororubber 246 rubber ring and the like.
The working principle of the tool for testing the pressure and plugging the tubulation is as follows: in practical application, the front end structure is placed in one end of the tube array, the second screw cap 7 is fastened, the supporting plate 8 is stressed to slide along the long hole of the folding plate 9, meanwhile, the included angle of the folding plate 9 is increased, the fixed plate 10 with the claw moves in opposite directions along with the folding plate 9, and finally, the fixed plate 10 is tightly attached to the inner wall of the tube array under the action of friction force after being stressed; after the front end structure is locked, the first screw rod 2 of the rear end structure is connected with the front end structure by utilizing threads at the end part, the first screw cap 3 is fastened, and the circular plate 4 enables the rubber rings 5 arranged at the inner sides of the baffles at the two ends of the circular plate 4 to be tightly attached to the port of the tubular column under the condition of stress; the rear side of the circular plate 4 of the rear end structure is provided with a threaded hollow column 1 which is connected with a tee joint, one end of the threaded hollow column is connected with a pressure gauge, the other end of the threaded hollow column is connected with a valve which is connected with pressure tests such as compressed air, steam and the like, the pressure gauge displays the pressure value of the pressure test, and the valve controls the pressure in the tube array; the utility model is also adopted to seal leakage at the other end of the tube array, and the number of the supporting plates 8 and the fixed plates 10 with claws can be increased according to the required pressure test, so that larger friction force is provided, and the requirement of pressure test is met.
While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of the above description, will appreciate that other embodiments are contemplated within the scope of the utility model as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The disclosure of the present utility model is intended to be illustrative, but not limiting, of the scope of the utility model, which is defined by the appended claims.
Claims (3)
1. The utility model provides a tubular pressure test, instrument of leaking stoppage which characterized in that includes screw rod, nut, plectane (4), rubber ring (5), backup pad (8), folding board (9) and fixed plate (10);
the screw comprises a first screw (2) and a second screw (6);
the nut comprises a first nut (3) and a second nut (7);
The second screw cap (7), the supporting plate (8), the folding plate (9) and the fixing plate (10) form a front end structure;
A hole is formed in the center of the supporting plate (8), a second screw cap (7) is arranged on the rear side of the supporting plate (8), and the second screw rod (6) penetrates through the supporting plate (8) and the second screw cap (7);
Long holes are formed in two plate surfaces of the folding plate (9), and two ends of the supporting plate (8) are connected with the long holes of the folding plate (9) in a sliding mode;
one surface of the fixed plate (10) is provided with a sharp claw, and the other surface of the fixed plate is connected with the end part of the folding plate (9) which is not overlapped;
the first screw (2), the first screw cap (3), the circular plate (4) and the rubber ring (5) form a rear end structure;
The two ends of the circular plate (4) are provided with baffle plates, the rubber ring (5) is arranged on the inner side of the baffle plates of the circular plate (4), the center of the circular plate (4) is provided with a hole, the rear side of the circular plate (4) is provided with a first screw cap (3), and the first screw rod (2) penetrates through the circular plate (4) and the first screw cap (3);
The front end structure and the rear end structure are connected through threads of the first screw (2) and the second screw (6), and the circular plate (4) is connected with the threaded hollow column (1).
2. The tube array pressure testing and plugging tool according to claim 1, wherein two ends of the supporting plate (8) are slidably connected with the long holes of the folding plate (9) through the matching of bolts and nuts.
3. The tool for testing pressure and plugging a tubulation according to claim 2, wherein the rubber ring (5) is a fluororubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322650889.5U CN220854017U (en) | 2023-09-28 | 2023-09-28 | Tool for pressure test and plugging of tubulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322650889.5U CN220854017U (en) | 2023-09-28 | 2023-09-28 | Tool for pressure test and plugging of tubulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854017U true CN220854017U (en) | 2024-04-26 |
Family
ID=90777277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322650889.5U Active CN220854017U (en) | 2023-09-28 | 2023-09-28 | Tool for pressure test and plugging of tubulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854017U (en) |
-
2023
- 2023-09-28 CN CN202322650889.5U patent/CN220854017U/en active Active
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