CN215727347U - Expanded tube plate joint inspection device - Google Patents
Expanded tube plate joint inspection device Download PDFInfo
- Publication number
- CN215727347U CN215727347U CN202121732153.7U CN202121732153U CN215727347U CN 215727347 U CN215727347 U CN 215727347U CN 202121732153 U CN202121732153 U CN 202121732153U CN 215727347 U CN215727347 U CN 215727347U
- Authority
- CN
- China
- Prior art keywords
- plate
- inspection device
- tube
- bearing
- pressure
- 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
Images
Abstract
The utility model provides an expanded joint tube plate joint inspection device applied to the technical field of heat exchange tubes, which comprises a bearing plate (1) and a bearing cylinder (2), wherein the bearing plate (1) is arranged into a structure capable of being connected with a tube plate (4) through a bolt (3), the tube plate (4) is provided with a plurality of expansion joints (6), the bearing cylinder (2) is arranged into a structure capable of being clamped between the bearing plate (1) and the tube plate (4), the bearing cylinder (2) is connected with an air inlet connecting tube (5), and the air inlet connecting tube (5) is connected with a compressed air supply component. The product quality is improved.
Description
Technical Field
The utility model belongs to the technical field of heat exchange tubes, and particularly relates to an expansion tube plate joint inspection device.
Background
The tube plate and the heat exchange tube are generally expanded, welded, expanded and welded and the like. For the expansion joint type heat exchange tube, if the problems of expansion joint strength, sealing performance and the like exist, the problems can be generally found in a hydraulic pressure or air pressure test. And then performing rework treatment. At present, after the expansion joint of the heat exchange tube is finished, the quality of the joint is checked by adopting a method that the core group is wholly immersed into a water tank for an air pressure test, but when tiny leakage occurs, the interval time is long, and in addition, because the fin wraps the heat exchange tube, the position of the leakage joint cannot be accurately determined. All heat exchange tubes in the suspected area can only be maintained to eliminate leakage problems. The method wastes manpower resources greatly, can also cause the problem of repair after the normal joint is repaired, and also wastes the use of the end cover gasket.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the expansion joint tube plate joint inspection device is simple in structure, low in cost, convenient to use and capable of independently pressing each joint in a tube plate suspicion area, and accordingly quick and accurate problem finding joints are facilitated, the basis is provided for reworking treatment, the repair cost is saved, and the product quality is improved.
To solve the technical problems, the utility model adopts the technical scheme that:
the utility model relates to an expanded pipe plate joint inspection device which comprises a bearing plate and a bearing cylinder, wherein the bearing plate is of a structure capable of being connected with a pipe plate through bolts, a plurality of expansion joints are arranged on the pipe plate, the bearing cylinder is of a structure capable of being clamped between the bearing plate and the pipe plate, an air inlet connecting pipe is connected to the bearing cylinder, and the air inlet connecting pipe is connected with a compressed air supply component.
The expansion joint tube plate joint inspection device further comprises a supporting block, and the supporting block is of a structure capable of being clamped between the bearing plate and the tube plate.
The bolt is arranged into a structure which can sequentially penetrate through the bearing plate, the supporting block and the threaded hole in the tube plate to be screwed and connected.
The bearing plate is provided with a plurality of vertically arranged adjusting long grooves.
The supporting block comprises an upper supporting block and a lower supporting block.
And the end part of each end of the pressure-bearing cylinder is respectively provided with an O-shaped sealing ring.
And the air inlet connecting pipe is provided with an air valve.
And a flat washer is arranged between the bolt and the bearing plate.
By adopting the technical scheme of the utility model, the following beneficial effects can be obtained:
the utility model relates to an inspection device for an expansion joint tube plate joint, which is characterized in that a bearing plate is connected with a tube plate by using a bolt, a bearing cylinder is aligned to an expansion joint, namely a heat exchange tube, the other end of the heat exchange tube is also provided with the inspection device for the expansion joint tube plate joint, and the other end of the heat exchange tube is sealed by the bearing cylinder. The supplied compressed air enters the pressure bearing cylinder and the heat exchange tube through the air inlet connecting tube, so that a closed space is formed by the single heat exchange tube and the expansion joint. And immersing the heat exchanger into a water tank, detecting the quality of the joint by boosting, if no bubble is generated in the joint, adjusting the position of the pressure bearing cylinder, and replacing the other joint for detection until the joint with the problem is found out for maintenance. The expansion joint tube plate joint inspection device is simple in structure and convenient to use, can be used for independently performing a pressing test on each joint in a tube plate suspect area, is convenient for quickly and accurately finding out a problem joint, provides a basis for rework treatment, saves the rework cost and improves the product quality.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of an expanded tube sheet joint inspection device according to the present invention;
FIG. 2 is a schematic structural diagram of an expanded tube sheet joint inspection device according to the present invention;
FIG. 3 is a schematic structural diagram of an expanded tube sheet joint inspection device according to the present invention;
in the drawings, the reference numbers are respectively: 1. a pressure bearing plate; 2. a pressure-bearing cylinder; 3. a bolt; 4. a tube sheet; 5. an air inlet connecting pipe; 6. a joint is connected in an expanding way; 7. a support block; 8. a threaded hole; 9. adjusting the long groove; 10. an upper support block; 11. a lower support block; 12. an O-shaped sealing ring; 13. an air valve; 14. a flat washer.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in fig. 1-fig. 3, the utility model is an expansion joint tube plate joint inspection device, which comprises a pressure bearing plate 1 and a pressure bearing cylinder 2, wherein the pressure bearing plate 1 is arranged in a structure capable of being connected with a tube plate 4 through a bolt 3, the tube plate 4 is provided with a plurality of expansion joints 6, the pressure bearing cylinder 2 is arranged in a structure capable of being clamped between the pressure bearing plate 1 and the tube plate 4, the pressure bearing cylinder 2 is connected with an air inlet connecting pipe 5, and the air inlet connecting pipe 5 is connected with a compressed air supply component. The structure provides an improvement scheme aiming at the defects in the prior art. The pressure bearing plate and the tube plate are connected together by using bolts, the pressure bearing cylinder is aligned to an expansion joint, namely, a heat exchange tube, the other end of the heat exchange tube is also provided with an expansion joint tube plate joint inspection device, and the other end of the heat exchange tube is also sealed by the pressure bearing cylinder. The supplied compressed air enters the pressure bearing cylinder and the heat exchange tube through the air inlet connecting tube, so that a closed space is formed by the single heat exchange tube and the expansion joint. And immersing the heat exchanger into a water tank, detecting the quality of the joint by boosting, if no bubble is generated in the joint, adjusting the position of the pressure bearing cylinder, and replacing the other joint for detection until the joint with the problem is found out for maintenance. The expansion joint tube plate joint inspection device is simple in structure, low in cost and convenient and fast to use, and can be used for independently performing a pressing test on each joint in a suspected region of a tube plate, so that a problem joint can be conveniently and accurately found out, a basis is provided for rework treatment, the rework cost is saved, and the product quality is improved.
The expanded joint tube plate joint inspection device further comprises a supporting block 7, and the supporting block 7 is arranged to be capable of being clamped between the bearing plate 1 and the tube plate 4. According to the structure, the supporting block has a positioning effect on the bearing plate, so that after the bearing plate is connected with the tube plate through the bolt, the bearing plate can reliably press the bearing cylinder against the tube plate, reliable positioning and sealing of the bearing cylinder are realized, and detection is facilitated.
The bolt 3 is arranged to be capable of sequentially penetrating through the bearing plate 1, the supporting block 7 and the threaded hole 8 in the tube plate 4 to be connected in a screwing mode. According to the structure, the bearing plate, the supporting block and the tube plate are connected through the bolts, the bearing barrel is reliably tightened, and detection of the heat exchange tube corresponding to the expansion joint is achieved.
The bearing plate 1 is provided with a plurality of vertically arranged adjusting elongated slots 9. By adopting the structure, the arrangement of the long groove 9 is adjusted, so that the position of the bolt can be adjusted, the expansion joint pipe plate joint inspection device is used for connecting pipe plates of different types and sizes, the universality of the expansion joint pipe plate joint inspection device is improved, and the cost is reduced.
The supporting block 7 comprises an upper supporting block 10 and a lower supporting block 11. The structure, the upper supporting block 10 and the lower supporting block 11 are arranged, so that the bearing plate is stable and reliable in connection and positioning.
And an O-shaped sealing ring 12 is arranged at each end of the pressure-bearing cylinder 2. According to the structure, the O-shaped sealing rings at the two ends of the pressure-bearing cylinder are respectively attached to the pressure-bearing plate and the tube plate, so that the sealing performance is improved.
And the air inlet connecting pipe 5 is provided with an air valve 13.
A flat washer 14 is arranged between the bolt 3 and the bearing plate 1.
The utility model relates to an inspection device for an expansion joint tube plate joint, which is characterized in that a bearing plate is connected with a tube plate by using a bolt, a bearing cylinder is aligned to an expansion joint, namely a heat exchange tube, the other end of the heat exchange tube is also provided with the inspection device for the expansion joint tube plate joint, and the other end of the heat exchange tube is sealed by the bearing cylinder. The supplied compressed air enters the pressure bearing cylinder and the heat exchange tube through the air inlet connecting tube, so that a closed space is formed by the single heat exchange tube and the expansion joint. And immersing the heat exchanger into a water tank, detecting the quality of the joint by boosting, if no bubble is generated in the joint, adjusting the position of the pressure bearing cylinder, and replacing the other joint for detection until the joint with the problem is found out for maintenance. The expansion joint tube plate joint inspection device is simple in structure and convenient to use, can be used for independently performing a pressing test on each joint in a tube plate suspect area, is convenient for quickly and accurately finding out a problem joint, provides a basis for rework treatment, saves the rework cost and improves the product quality.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the utility model, and its application to other applications without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides an expanded joint tube sheet connects verifying attachment which characterized in that: the pressure-bearing device comprises a pressure-bearing plate (1) and a pressure-bearing cylinder (2), wherein the pressure-bearing plate (1) is arranged into a structure which can be connected with a tube plate (4) through bolts (3), a plurality of expansion joints (6) are arranged on the tube plate (4), the pressure-bearing cylinder (2) is arranged into a structure which can be clamped between the pressure-bearing plate (1) and the tube plate (4), an air inlet connecting pipe (5) is connected onto the pressure-bearing cylinder (2), and the air inlet connecting pipe (5) is connected with a compressed air supply component.
2. The expanded tube sheet joint inspection device of claim 1, wherein: the expanded joint tube plate joint inspection device further comprises a supporting block (7), and the supporting block (7) is arranged to be of a structure capable of being clamped between the bearing plate (1) and the tube plate (4).
3. The expanded tube sheet joint inspection device of claim 2, wherein: the bolt (3) is arranged to be connected with a threaded hole (8) in the tube plate (4) in a screwing mode through the bearing plate (1), the supporting block (7) in sequence.
4. The expanded tube sheet joint inspection device according to claim 1 or 2, wherein: the bearing plate (1) is provided with a plurality of vertically arranged adjusting elongated slots (9).
5. The expanded tube sheet joint inspection device of claim 2, wherein: the supporting block (7) comprises an upper supporting block (10) and a lower supporting block (11).
6. The expanded tube sheet joint inspection device according to claim 1 or 2, wherein: and an O-shaped sealing ring (12) is arranged at each end of the pressure bearing cylinder (2).
7. The expanded tube sheet joint inspection device according to claim 1 or 2, wherein: and the air inlet connecting pipe (5) is provided with an air valve (13).
8. The expanded tube sheet joint inspection device according to claim 1 or 2, wherein: and a flat washer (14) is arranged between the bolt (3) and the bearing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732153.7U CN215727347U (en) | 2021-07-28 | 2021-07-28 | Expanded tube plate joint inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732153.7U CN215727347U (en) | 2021-07-28 | 2021-07-28 | Expanded tube plate joint inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727347U true CN215727347U (en) | 2022-02-01 |
Family
ID=79990082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121732153.7U Active CN215727347U (en) | 2021-07-28 | 2021-07-28 | Expanded tube plate joint inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215727347U (en) |
-
2021
- 2021-07-28 CN CN202121732153.7U patent/CN215727347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201522405U (en) | Water pressure tester of steel tube | |
| CN111678656B (en) | Sealing detection method of multi-pass heat exchanger | |
| CN203585706U (en) | T-shaped dual-seal pipeline leaking stoppage clamp | |
| CN215727347U (en) | Expanded tube plate joint inspection device | |
| CN217845558U (en) | Single-tube leakage detection device for heat exchanger tube bundle | |
| CN112747873A (en) | Valve seal test device | |
| CN218994626U (en) | Test device for strength expansion of heat exchange tube and tube plate | |
| CN210690223U (en) | High-pressure sealing butt joint device for hydrostatic test of coiled tube heat exchange module | |
| CN209213250U (en) | A kind of Quick Connect Kit of mesohigh water pipe | |
| CN115031169A (en) | Steam guide pipe expansion joint pressing checking method and steam guide pipe expansion joint pressing device | |
| CN110242810B (en) | Flanging-based high-pressure pipeline quick connecting device and using method thereof | |
| CN219624817U (en) | Clamping tool for welding type valve flow test | |
| CN211740527U (en) | Valve seal test device | |
| CN202101819U (en) | Float head heat-exchanger pressure test tool | |
| CN220540533U (en) | Split flange | |
| CN207516007U (en) | A kind of pump and the fast automatic clamping device of valve test flange | |
| CN216669155U (en) | Pressure testing device for floating head heat exchanger | |
| CN202177492U (en) | Leakage detecting tool of condenser of turbine | |
| CN220829324U (en) | Air tightness detection device for oversized bearing | |
| CN219714671U (en) | Single tube detection pressing device of tube bundle type heat exchanger | |
| CN215492266U (en) | Suppress leak hunting instrument | |
| CN211528074U (en) | Large-scale casing class part hydrostatic test device | |
| CN220418743U (en) | Single-tube leakage detection device for air cooler plug tube box type tube bundle | |
| CN203349997U (en) | Leakage detection device with clamping mechanism | |
| CN220854017U (en) | Tool for pressure test and plugging of tubulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |