Clamp for welding heat treatment of heating surface

By designing a fixture that includes a threaded column, a threaded tube, a positioning column, and an electric heating mechanism, the problem of inconvenient positioning of tubes of different lengths is solved, achieving efficient tube positioning and heat treatment, and improving the practicality and flexibility of the device.

CN223592778UActive Publication Date: 2025-11-25POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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Patent Information

Application Number
CN202423228454.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-25
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing equipment is inconvenient for positioning pipes of different lengths, making it difficult to achieve efficient positioning and heat treatment.

Method used

A fixture for heat treatment of welded surfaces was designed, including a base, a groove, a movable table, a threaded column, a threaded tube, a positioning column, and an electric heating mechanism. The fixture can position and move tubes of different lengths through threaded connection and slider structure. Combined with the directional movement of the electric heating mechanism, it can achieve efficient heat treatment.

Benefits of technology

It enables efficient positioning and heat treatment of pipes of different lengths, avoids jamming, and improves the practicality of the device and the flexibility of heat treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixture for welding heat treatment of a heating surface, which belongs to the technical field of fixtures and comprises a base, a groove and a movable table, the groove is arranged on the upper surface of the base, the movable table is arranged in the groove, a bearing is penetratingly arranged on the surface of the groove, and a rotating shaft is penetratingly arranged in the bearing. According to the clamp for welding heat treatment of the heated surface, by arranging a threaded column, a threaded pipe and a positioning column, when needing to position heated pipes with different lengths, people only need to enable the heated pipes to penetrate through an electric heating mechanism, meanwhile, one end of each heated pipe is connected to the surface of the positioning column arranged on the surface of a second supporting plate in a sleeving mode, and then a rotating disc is rotated; and under the cooperation of the threaded column and the threaded pipe, the movable table is driven to move, the positioning column fixedly connected to the side face of the first supporting plate is supported at the other end of the heated pipe, and therefore the heated pipes of different lengths are positioned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, more specifically, it relates to a fixture for heat treatment of heated surface welding. BACKGROUND

[0002] In the installation and construction of 600MW and above supercritical, ultra-supercritical thermal power generating units, the design material of the heated surface pipeline is high, the pipe wall is thick, and most of the heated surface pipe rows need to be welded and heat treated. When welding and heat treatment, the two sides are equipped with radiative heating method to achieve sheet heat treatment to meet the requirements of technical documents such as welding heat treatment operation instruction and welding heat treatment process card.

[0003] However, the existing device is inconvenient when positioning different lengths of pipe, and to solve the above problems, we have developed the following device. UTILITY MODEL CONTENT

[0004] (1) Technical problem to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a fixture for heat treatment of heated surface welding, which has the characteristics of being convenient for positioning pipe of different lengths.

[0006] (2) Technical scheme

[0007] To achieve the above purpose, the utility model provides a fixture for heat treatment of heated surface welding, which comprises a base, a groove and a movable table, the groove is opened on the upper surface of the base, the movable table is arranged in the groove, a bearing is arranged on the surface of the groove, a rotating shaft is arranged in the bearing, one end of the rotating shaft is fixedly connected with a rotating disc, the other end of the rotating shaft is fixedly connected with a threaded column, the other end of the threaded column is threadedly connected with a threaded pipe, the other end of the threaded pipe is fixedly connected to the side surface of the movable table, a first support plate is fixedly connected to the upper surface of the movable table, a second support plate is fixedly connected to the upper surface of the base, the positions of the first support plate and the second support plate correspond to each other, a positioning column is fixedly connected to the side surface of the first support plate, there are two groups of positioning columns, the other group of positioning columns is fixedly connected to the side surface of the second support plate, a heated pipe is sleeved on the surface of the two groups of positioning columns, a support arm is fixedly connected to the upper surface of the base, an electric heating mechanism is arranged at the lower end of the support arm, and the electric heating mechanism is sleeved on the surface of the heated pipe.

[0008] When using a heat treatment fixture for welding heated surfaces according to this technical solution, by setting threaded columns, threaded tubes, and positioning columns, when it is necessary to position heated tubes of different lengths, one only needs to pass the heated tube through the electric heating mechanism, and simultaneously attach one end of the heated tube to the surface of the positioning column set on the surface of the second support plate. Then, by rotating the turntable, the threaded column is driven to rotate. With the cooperation of the threaded column and the threaded tube, the movable table is moved, so that the positioning column fixedly connected to the side of the first support plate supports the other end of the heated tube, thereby achieving the positioning of heated tubes of different lengths. At the same time, with the cooperation of the second slider and the slide groove, the movable table can move in a directional manner, avoiding jamming of the movable table during movement, thus improving the practicality of the device.

[0009] Furthermore, a slide rail is provided on the surface of the support arm, and a first slider is slidably connected inside the slide rail. The first slider is in the shape of an "I" and a handle is fixedly connected to the upper surface of the first slider. A connecting rod is fixedly connected to the lower surface of the first slider, and the lower end of the connecting rod is fixedly connected to the upper surface of the electric heating mechanism.

[0010] Furthermore, a second slider is fixedly connected to the side of the movable platform, and a groove is provided on the inner wall of the groove. The second slider is slidably connected in the groove. There are two sets of the second slider and the groove, and they are symmetrically arranged on both sides of the movable platform.

[0011] Furthermore, a set of wheels is fixedly connected to the lower surface of the base, and brake pads are provided on the side of the set of wheels. There are multiple sets of wheels, which are arranged in a rectangular shape at the lower end of the base.

[0012] Furthermore, an energy storage compartment is provided inside the base, and a battery is fixedly connected inside the energy storage compartment. A control switch is fixedly connected to the side of the base.

[0013] (3) Beneficial effects

[0014] In summary, this utility model has the following beneficial effects:

[0015] 1. This fixture for heat treatment of welded heating surfaces, by setting threaded columns, threaded tubes and positioning columns, allows for positioning of heating tubes of different lengths. Users simply pass the heating tube through the electric heating mechanism and attach one end of the heating tube to the positioning column on the surface of the second support plate. Rotating the turntable causes the threaded columns to rotate, and the cooperation of the threaded columns and threaded tubes moves the movable table, allowing the positioning column, fixedly connected to the side of the first support plate, to support the other end of the heating tube. This achieves positioning of heating tubes of different lengths. Simultaneously, the cooperation of the second slider and the slide groove allows the movable table to move in a directional manner, preventing jamming during movement and improving the practicality of the device.

[0016] 2、The heat receiving surface welding heat treatment clamp is provided with the first sliding block and the sliding rail, when people need to heat treat different positions of the heat receiving pipe, people only need to pull the handle to drive the electric heating mechanism to move, under the cooperation of the first sliding block and the sliding rail, the electric heating mechanism can move directionally, when the electric heating mechanism moves to the specified position, people only need to control the electric heating mechanism to operate through the control switch, so that the purpose of heat treating the specified position of the heat receiving pipe is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiment of the present application or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art will be briefly introduced as follows. Obviously, the drawings described below are only one embodiment of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a structure schematic view of the front view solid section of the present application.

[0019] Figure 2 It is a structure schematic view of the front view solid of the present application.

[0020] Figure 3 It is Figure 1 It is an enlarged structure schematic view of A in the middle.

[0021] The marks in the drawings are:

[0022] 1, base; 2, groove; 3, movable table; 4, bearing; 5, rotating shaft; 6, rotating disc; 7, threaded column; 8, threaded pipe; 9, first support plate; 10, positioning column; 11, second support plate; 12, heat receiving pipe; 13, support arm; 14, electric heating mechanism; 15, sliding rail; 16, first sliding block; 17, handle; 18, connecting rod; 19, second sliding block; 20, sliding groove; 21, wheel set; 22, brake pad; 23, energy storage bin; 24, storage battery; 25, control switch. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the technical scheme in the specific embodiment of the present application will be described clearly and completely below, so as to further illustrate the present application. Obviously, the described specific embodiment is only one part of the embodiment of the present application, not all the styles.

[0024] Embodiment:

[0025] The following will be described in combination with the drawingsFigures 1-3 The present invention will be described in further detail below.

[0026] Please see Figures 1-3 This utility model provides a technical solution: a fixture for heat treatment of welded surfaces, including a base 1, a groove 2, and a movable platform 3. The groove 2 is formed on the upper surface of the base 1, and the movable platform 3 is set in the groove 2. A bearing 4 passes through the surface of the groove 2, and a rotating shaft 5 passes through the bearing 4. One end of the rotating shaft 5 is fixedly connected to a turntable 6, and the other end of the rotating shaft 5 is fixedly connected to a threaded post 7. The other end of the threaded post 7 is threadedly connected to a threaded pipe 8, and the other end of the threaded pipe 8 is fixedly connected to the side of the movable platform 3. A first support plate 9 is fixedly connected to the upper surface of the movable platform 3, and a second support plate 11 is fixedly connected to the upper surface of the base 1. The positions of the first support plate 9 and the second support plate 11 are corresponding. A positioning post 10 is fixedly connected to the side of the first support plate 9. There are two sets of positioning posts 10. Another set of positioning posts 10 is fixedly connected to the side of the second support plate 11. A heat-receiving tube 12 is sleeved on the surface of the two sets of positioning posts 10. A support arm 13 is fixedly connected to the upper surface of the base 1, and an electric heating mechanism 14 is provided at the lower end of the support arm 13. The electric heating mechanism 14 is sleeved on the surface of the heat-receiving tube 12.

[0027] By adopting the above technical solution, this heat treatment fixture for welding heating surfaces, by setting threaded post 7, threaded tube 8 and positioning post 10, when it is necessary to position heat-receiving tubes 12 of different lengths, it is only necessary to pass the heat-receiving tube 12 through the electric heating mechanism 14, and at the same time, to sleeve one end of the heat-receiving tube 12 onto the surface of the positioning post 10 set on the surface of the second support plate 11. Then, by rotating the turntable 6, the threaded post 7 is driven to rotate. With the cooperation of the threaded post 7 and the threaded tube 8, the movable table 3 is moved, so that the positioning post 10 fixedly connected to the side of the first support plate 9 is supported on the other end of the heat-receiving tube 12, thereby achieving the positioning of heat-receiving tubes 12 of different lengths. At the same time, with the cooperation of the second slider 19 and the slide groove 20, the movable table 3 can be directionally moved, avoiding jamming of the movable table 3 during the movement, thus improving the practicality of the device.

[0028] Specifically, a slide rail 15 is provided on the surface of the support arm 13, and a first slider 16 is slidably connected inside the slide rail 15. The first slider 16 is in the shape of an "I". A handle 17 is fixedly connected to the upper surface of the first slider 16, and a connecting rod 18 is fixedly connected to the lower surface of the first slider 16. The lower end of the connecting rod 18 is fixedly connected to the upper surface of the electric heating mechanism 14.

[0029] By adopting the technical scheme, the clamp for heat treatment of a heating surface is provided with the first sliding block 16 and the sliding rail 15, when people need to heat treat different positions of the heating pipe 12, people only need to pull the handle 17 to drive the electric heating mechanism 14 to move, under the cooperation of the first sliding block 16 and the sliding rail 15, the electric heating mechanism 14 can be moved directionally, when the electric heating mechanism 14 moves to the specified position, people only need to control the electric heating mechanism 14 to operate through the control switch 25, so that the purpose of heat treating the specified position of the heating pipe 12 is achieved.

[0030] Specifically, the second sliding block 19 is fixedly connected to the side of the movable table 3, the sliding groove 20 is formed in the inner wall of the groove 2, the second sliding block 19 is slidingly connected in the sliding groove 20, the second sliding block 19 and the sliding groove 20 each have two groups, and are symmetrically arranged on the two sides of the movable table 3.

[0031] Specifically, the bottom surface of the base 1 is fixedly connected with a plurality of wheel sets 21, the side of the wheel set 21 is provided with a brake pad 22, and the wheel set 21 is arranged in a rectangular array at the lower end of the base 1.

[0032] Specifically, the inside of the base 1 is provided with an energy storage compartment 23, the inside of the energy storage compartment 23 is fixedly connected with a storage battery 24, and the side of the base 1 is fixedly connected with a control switch 25.

[0033] The utility model discloses a working principle is: in use, people only need to push the device, under the cooperation of wheel set 21, the device is moved to the position suitable for the device use of people, when people need to fix the device, people only need to set up the brake pad 22 of wheel set 21 side and adjust to the brake state, thereby guarantee the device in the process of normal operation, can keep stable working condition, when people need to position the heat pipe 12 of different length, people only need to pass through electric heating mechanism 14 with heat pipe 12, and the one end of heat pipe 12 is sleeved in the positioning column 10 surface of setting on the second support plate 11 surface, then through rotating the turntable 6, thereby drive screw column 7 rotates, under the cooperation of screw column 7 and threaded tube 8, thereby drive movable platform 3 moves, make the positioning column 10 fixedly connected in the side of first support plate 9 support in the other end of heat pipe 12, thereby reach the positioning of heat pipe 12 of different length, under the cooperation of second sliding block 19 and sliding slot 20, movable platform 3 can directional movement, avoid movable platform 3 in the process of moving and jam, improve the practicability of the device, when people need to heat treatment of heat pipe 12 different position, people only need to pull handle 17, thereby drive electric heating mechanism 14 moves, under the cooperation of first sliding block 16 and slide rail 15, make electric heating mechanism 14 can directional movement, when electric heating mechanism 14 moves to the specified position, people only need to control switch 25 control electric heating mechanism 14 operation can, thereby reach the purpose of heat treatment of heat pipe 12 specified position.

[0034] The embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A fixture for heat treatment of a welded heat surface, comprising a base (1), a recess (2) and a movable table (3), characterized in that: The groove (2) is formed on the upper surface of the base (1), the movable platform (3) is set in the groove (2), the bearing (4) is passed through the surface of the groove (2), the rotating shaft (5) is passed through the bearing (4), one end of the rotating shaft (5) is fixedly connected to a turntable (6), the other end of the rotating shaft (5) is fixedly connected to a threaded column (7), the other end of the threaded column (7) is threadedly connected to a threaded tube (8), the other end of the threaded tube (8) is fixedly connected to the side of the movable platform (3), the upper surface of the movable platform (3) is fixedly connected to a first support plate (9), and the upper surface of the base (1) is fixedly connected to a first support plate (9). A second support plate (11) is connected. The positions of the first support plate (9) and the second support plate (11) are corresponding. A positioning column (10) is fixedly connected to the side of the first support plate (9). There are two sets of positioning columns (10). The other set of positioning columns (10) is fixedly connected to the side of the second support plate (11). A heating tube (12) is sleeved on the surface of the two sets of positioning columns (10). A support arm (13) is fixedly connected to the upper surface of the base (1). An electric heating mechanism (14) is provided at the lower end of the support arm (13). The electric heating mechanism (14) is sleeved on the surface of the heating tube (12).

2. The fixture for welding heat treatment of a heated surface according to claim 1, characterized by: The support arm (13) has a slide rail (15) on its surface. A first slider (16) is slidably connected inside the slide rail (15). The first slider (16) is in the shape of an "I". A handle (17) is fixedly connected to the upper surface of the first slider (16). A connecting rod (18) is fixedly connected to the lower surface of the first slider (16). The lower end of the connecting rod (18) is fixedly connected to the upper surface of the electric heating mechanism (14).

3. The fixture for welding heat treatment of a heated surface according to claim 1, characterized by: The movable platform (3) is fixedly connected to a second slider (19) on its side. The inner wall of the groove (2) is provided with a sliding groove (20). The second slider (19) is slidably connected in the sliding groove (20). There are two sets of the second slider (19) and the sliding groove (20), and they are symmetrically arranged on both sides of the movable platform (3).

4. The fixture for welding heat treatment of a heated surface according to claim 1, characterized by: A wheel assembly (21) is fixedly connected to the lower surface of the base (1). A brake pad (22) is provided on the side of the wheel assembly (21). There are multiple wheel assemblies (21), which are arranged in a rectangular shape at the lower end of the base (1).

5. The fixture for welding heat treatment of a heated surface according to claim 1, characterized by: The base (1) has an energy storage compartment (23) inside, and a battery (24) is fixedly connected inside the energy storage compartment (23). A control switch (25) is fixedly connected to the side of the base (1).