A rapid pressure test tool for heat exchanger tubes

Abstract

The utility model discloses a rapid pressure test tool for heat exchanger heat exchange tubes, which relates to the technical field of heat exchange tube pressure measurement, including a workbench, a leaning mechanism is provided above the workbench, a clamping mechanism is provided in front of the leaning mechanism, the leaning mechanism includes a leaning handle, and the head of the leaning handle is provided with a leaning support and a leaning block; the clamping mechanism includes a clamping support, and a moving block and a clamping handle are provided on the clamping support. The utility model can be quickly adjusted to adapt to heat exchange tubes of different specifications, greatly shortening the preparation time before pressure testing and improving work efficiency. The leaning block is provided with a sleeve and a plug, which cooperate with the heat exchange tube joint to form a double-stage sealing structure, ensuring the sealing during the pressure test, effectively preventing leakage, and improving the accuracy of the test. Simple operating mechanisms such as a leaning handle and a clamping handle are adopted, so that workers can operate easily, reducing the difficulty of operation and improving the convenience of operation.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange tube pressure measurement, in particular to a rapid pressure test tool for heat exchange tubes of a heat exchanger. Background Art

[0002] The heat exchange tube is one of the components of the heat exchanger, which is placed inside the cylinder and is used for heat exchange between two media. It has high thermal conductivity and good isothermal properties. It is a device that can quickly transfer heat energy from one point to another. After the heat exchange tube is U-bent, a single tube water pressure test is required to detect whether there is any leakage after the heat exchange tube is U-bent. Therefore, technicians in this field design special testing devices for detection, such as the authorized patent CN202320196284.0, a heat exchange tube water pressure test device, which can solve the water pressure test problem well. In order to adapt to and further improve the detection efficiency, a rapid pressure test tool is designed. Utility Model Content

[0003] The utility model aims to provide a rapid pressure testing tool for heat exchange tubes of a heat exchanger to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid pressure test tool for heat exchanger tubes of a heat exchanger, comprising a workbench, a leaning mechanism is provided above the workbench, a clamping mechanism is provided in front of the leaning mechanism, the leaning mechanism includes a leaning handle, a leaning support and a leaning block are provided at the head of the leaning handle; the clamping mechanism includes a clamping support, and a moving block and a clamping handle are provided on the clamping support.

[0005] Further: a dovetail groove is provided on the top support, the bottom of the top support block is arranged in the dovetail groove, the top support blocks are distributed on both sides of the top support, and the bottom of the top support is interconnected with the workbench through a guide rail and a slider.

[0006] Preferably: a sleeve is provided above the supporting block, a plug is provided inside the sleeve, sealing rings are distributed on the inner wall of the sleeve and the outer wall of the head of the plug, and a locking bolt is provided on the side of the supporting block.

[0007] Preferably, support frames are evenly distributed behind the workbench, and the lower parts of the support frames are inserted into the blind holes of the workbench.

[0008] Furthermore: a dovetail groove is also provided above the clamping support, the bottom of the moving block is arranged in the corresponding dovetail groove, and the clamping handle is arranged on the side of the moving block.

[0009] Preferably, the moving blocks are distributed on both sides of the clamping support, and a limiting jig is provided above the moving blocks, and a pressing head is provided at the head of the clamping handle, and the pressing head cooperates with the limiting jig for clamping.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the utility model can be quickly adjusted to adapt to heat exchange tubes of different specifications, greatly shortening the preparation time before pressure testing and improving work efficiency; a sleeve and a plug are provided on the support block, which cooperate with the heat exchange tube joint to form a double-stage sealing structure, ensuring the sealing during the pressure test, effectively preventing leakage, and improving the accuracy of the test; simple operating mechanisms such as a support handle and a clamping handle are adopted, so that workers can operate easily, reducing the difficulty of operation and improving the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a top view of the utility model;

[0013] Figure 3 It is a schematic diagram of AA section view;

[0014] Figure 4 This is an enlarged schematic diagram of point B;

[0015] Figure 5 This is the working diagram of the utility model;

[0016] Figure 6 This is an enlarged schematic diagram of point C.

[0017] In the figure: 1. workbench, 2. leaning mechanism, 3. clamping mechanism, 4. support frame, 5. locking bolt, 6. workpiece, 21. leaning handle, 22. leaning support, 23. leaning block, 24. guide rail, 25. slider, 231. sleeve, 232. insert, 31. clamping support, 32. moving block, 33. clamping handle, 34. pressure head, 35. limiting jig. DETAILED DESCRIPTION

[0018] The present invention will be described below based on the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. However, it is worth noting that the present invention is not limited to these embodiments. In the detailed description of the present invention below, some specific details are described in detail. However, for the parts that are not described in detail, those skilled in the art can also fully understand the present invention.

[0019] In addition, those skilled in the art should understand that the drawings are only provided to illustrate the purpose, features and advantages of the present invention, and the drawings are not actually drawn according to scale.

[0020] At the same time, unless the context clearly requires otherwise, the words "include", "comprises" and similar words throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, the meaning is "including but not limited to".

[0021] See also Figure 1-Figure 6 The utility model provides a technical solution: it includes a workbench 1, a leaning mechanism 2 is provided above the workbench 1, a clamping mechanism 3 is provided in front of the leaning mechanism 2, the leaning mechanism 2 includes a leaning handle 21, a leaning support 22 and a leaning block 23 are provided at the head of the leaning handle 21; the clamping mechanism 3 includes a clamping support 31, a moving block 32 and a clamping handle 33 are provided on the clamping support 31.

[0022] The supporting base 22 is provided with a dovetail groove, the bottom of the supporting block 23 is arranged in the dovetail groove, the supporting blocks 23 are distributed on both sides of the supporting base 22, and the bottom of the supporting base 22 is interconnected with the workbench 1 through a guide rail 24 and a slider 25.

[0023] A sleeve 231 is provided above the supporting block 23 , an inserting tube 232 is provided inside the sleeve 231 , sealing rings are distributed on the inner wall of the sleeve 231 and the outer wall of the head of the inserting tube 232 , and a locking bolt 5 is provided on the side of the supporting block 23 .

[0024] Support frames 4 are evenly distributed behind the workbench 1 , and the lower parts of the support frames 4 are inserted into the blind holes of the workbench 1 .

[0025] A dovetail slot is also provided above the clamping support 31 , the lower part of the moving block 32 is arranged in the corresponding dovetail slot, and the clamping handle 33 is arranged on the side of the moving block 32 .

[0026] The moving blocks 32 are distributed on both sides of the clamping support 31 , and a limiting jig 35 is provided above the moving blocks 32 . A pressing head 34 is provided at the head of the clamping handle 33 , and the pressing head 34 cooperates with the limiting jig 35 for clamping.

[0027] When using this utility model, if the attached Figure 5As shown, the workpiece 6 is a U-shaped bent pipe, and the ends on both sides have been welded with pipe joints. The pipe joints are used for limit testing. First, the position of the moving block 32 needs to be adjusted according to the specification width of the pipe. The moving block 32 is also provided with a locking bolt 5, and then locked using existing tools. Then, the head of the tested workpiece 6 needs to be placed in the limit jig 34, and the head of the workpiece 6 is pressed using the clamping handle 33. Then, the position of the supporting block 23 is adjusted, and the supporting support 22 is pushed using the supporting handle 21, and the insert pipe 232 is inserted into the end pipe of the workpiece 6. The sleeve 231 is also sealed on the outside of the joint, and a double-stage seal is used to prevent leakage. Finally, it is locked by the locking bolt 5, and the tail of the insert pipe 232 is connected to the existing water pressure testing machine through a pipeline, and the test can be started. By analogy, batch testing can be carried out. If other workpieces 6 need to be tested, the supporting block 23 and the limit jig 34 can be replaced. The supporting handle 21 and the clamping handle 33 are purchased from existing products, both of which have a self-locking function.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid pressure test tool for heat exchanger tubes, characterized in that: The invention comprises a workbench (1), wherein a leaning mechanism (2) is arranged above the workbench (1), a pressing mechanism (3) is arranged in front of the leaning mechanism (2), the leaning mechanism (2) comprises a leaning handle (21), a leaning support (22) and a leaning block (23) are arranged at the head of the leaning handle (21); the pressing mechanism (3) comprises a pressing support (31), and a moving block (32) and a pressing handle (33) are arranged on the pressing support (31); The supporting support (22) is provided with a dovetail slide, the bottom of the supporting block (23) is arranged in the dovetail slide, the supporting block (23) is distributed on both sides of the supporting support (22), and the bottom of the supporting support (22) is interconnected with the workbench (1) through a guide rail (24) and a slide block (25); A sleeve (231) is provided above the supporting block (23), an inserting tube (232) is provided inside the sleeve (231), sealing rings are distributed on the inner wall of the sleeve (231) and the outer wall of the head of the inserting tube (232), and a locking bolt (5) is provided on the side of the supporting block (23); Support frames (4) are evenly distributed behind the workbench (1), and the lower part of the support frames (4) is inserted into the blind hole of the workbench (1); A dovetail slot is also provided above the clamping support (31), the bottom of the moving block (32) is arranged in the corresponding dovetail slot, and the clamping handle (33) is arranged on the side of the moving block (32); The moving blocks (32) are distributed on both sides of the clamping support (31), and a limiting jig (35) is provided above the moving blocks (32). The head of the clamping handle (33) is provided with a pressing head (34), and the pressing head (34) cooperates with the limiting jig (35) for clamping.

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