CN223254842U - Vertical welding device for large-diameter heat exchanger - Google Patents
Vertical welding device for large-diameter heat exchangerInfo
- Publication number
- CN223254842U CN223254842U CN202422515992.3U CN202422515992U CN223254842U CN 223254842 U CN223254842 U CN 223254842U CN 202422515992 U CN202422515992 U CN 202422515992U CN 223254842 U CN223254842 U CN 223254842U
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- Prior art keywords
- platform
- heat exchanger
- fixedly connected
- sides
- lifting
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Abstract
The embodiment of the utility model provides a device for vertical welding of a large-diameter heat exchanger, and relates to the field of furniture. A device for vertical welded of major diameter heat exchanger includes supporting component and removes lifting component, during the use, the workman climbs to on the lift platform, start automatic lifting piece, make lift platform go up to suitable height, start electric telescopic piece, make electric telescopic piece prolong the side to the heat exchanger body, remove the interval between extension platform and the heat exchanger body this moment less, the workman takes down the handheld welding machine on the welding machine body, remove the side around the heat exchanger body through removing the extension platform, can overhaul the side around heat exchanger body top this moment, it is also comparatively convenient to climb to heat exchanger body top center side, when having solved among the prior art to overhaul the welding to the vertical heat exchanger top of major diameter, the workman removes the degree of difficulty greatly, overhaul the big problem of welding degree of difficulty.
Description
Technical Field
The utility model relates to the field of furniture, in particular to a vertical welding device for a large-diameter heat exchanger.
Background
Shell-and-tube heat exchangers are also known as shell-and-tube heat exchangers. Is a dividing wall type heat exchanger taking the wall surface of a tube bundle enclosed in a shell as a heat transfer surface. The heat exchanger has simple structure and reliable operation, can be manufactured by various structural materials (mainly metal materials), can be used at high temperature and high pressure, and is the most widely applied type at present. The heat exchanger is divided into a horizontal heat exchanger and a vertical heat exchanger, and a reboiler and a feed preheater of the tower are vertical, so that the liquid level of the tower kettle is well controlled, the evaporation and liquid return balance is guaranteed, the feed residence time can be controlled to be prolonged, and the full preheating can be guaranteed. Also the overhead condenser is typically vertical.
The existing vertical heat exchanger, especially the vertical heat exchanger with large diameter, generally needs to use a lifter when overhauling and welding the top, a handheld welding machine climbs to the top of the heat exchanger to support and then welds, the mode utilizes the lifter to ascend to the top of the heat exchanger and then climbs to the top of the heat exchanger to support, when the lifter moves to the top of the heat exchanger, the distance between the lifter and the top of the heat exchanger to support is large, and the whole process needs to move the handheld welding machine, so that the moving difficulty of workers is large, the overhauling and welding difficulty is also large, and the defects exist.
Disclosure of utility model
The utility model aims to provide a device for vertical welding of a large-diameter heat exchanger, which can reduce the moving difficulty of workers and is convenient for the workers to weld and overhaul the top of the vertical heat exchanger.
The embodiment of the utility model provides a device for vertical welding of a large-diameter heat exchanger, which comprises a supporting component and a movable lifting component.
The support assembly comprises a support base, and a heat exchanger body is arranged on one side of the support base;
The movable lifting assembly comprises an automatic lifting part, a lifting platform, a movable expansion platform, an electric telescopic part and bevel angle stabilizing parts, wherein the automatic lifting part is fixedly connected to two sides of the supporting base, the lifting platform is slidably connected to the automatic lifting part, a welding machine body is arranged on the lifting platform, the automatic lifting part is used for controlling the lifting platform to lift, the movable expansion platform is symmetrically arranged on two sides of the bottom surface of the lifting platform, the electric telescopic part is in meshing connection with the bottom surface of the movable expansion platform, the electric telescopic part is used for moving the movable expansion platform, one end of the bevel angle stabilizing parts is hinged to the movable expansion platform, and the other end of the bevel angle stabilizing parts is hinged to the side surface of the automatic lifting part.
In a specific embodiment, the automatic lifting member comprises a supporting upright, a sliding rail, a first motor and a threaded rod, wherein the supporting upright is symmetrically connected to two sides of the supporting base, the sliding rail is arranged in the supporting upright, the threaded rod is rotationally connected to the sliding rail, the output end of the first motor is fixedly connected to one end of the threaded rod, two sides of the lifting platform are slidably connected to the sliding rail, and the threaded rod is rotationally connected with two sides of the lifting platform.
In a specific embodiment, two sides of the supporting base are fixedly connected with sliding rods, and two sides of the lifting platform are slidably connected to the sliding rods.
In a specific embodiment, the electric telescopic component comprises a mounting platform, a second motor, a rotating shaft, a gear and racks, wherein the mounting platform is fixedly connected to two sides of the bottom surface of the lifting platform, the mounting platform is slidably connected to the sliding rod, the rotating shaft is rotatably connected to the mounting platform, the end part of the rotating shaft is fixedly connected to the output end of the second motor, the gears are fixedly connected to two sides of the rotating shaft, the racks are fixedly connected to two sides of the bottom surface of the movable expansion platform, and the gears are meshed with the racks.
In a specific embodiment, the mounting platform comprises a mounting plate, a connecting block and a placing frame, wherein the mounting plate is slidably connected to the sliding rod, one end of the connecting block is fixedly connected to the mounting plate, the other end of the connecting block is fixedly connected to the lifting platform, the placing frame is fixedly connected to the mounting plate, and the rotating shaft is rotationally connected to the placing frame.
In a specific embodiment, the bevel angle stabilizer comprises a mounting frame and telescopic cylinders, wherein the mounting frame is fixedly connected to two sides of the bottom end of the supporting base, the telescopic cylinders are hinged to the supporting base, the output ends of the telescopic cylinders are hinged to the lifting platform, and the telescopic cylinders have a certain inclination angle.
In a specific embodiment, a guardrail is provided around the lifting platform.
In a specific embodiment, a certain gap exists between the lifting platform and the movable expansion platform, and a certain height difference exists between the lifting platform and the movable expansion platform, and the front end of the lifting platform is provided with a step which extends to the surface of the movable expansion platform.
In a specific embodiment, the mobile expansion platform is provided with a limited block at both ends.
In a specific embodiment, an artificial ladder is fixedly connected to the support base.
The vertical welding device for the large-diameter heat exchanger has the beneficial effects that when the vertical welding device is used, a worker climbs onto the lifting platform, the automatic lifting piece is started, the lifting platform is enabled to reach a proper height, the electric telescopic piece is started, the electric telescopic piece is prolonged to the side face of the heat exchanger body, at the moment, the distance between the movable extension platform and the heat exchanger body is smaller, the worker takes down the handheld welding machine on the welding machine body, and can overhaul the peripheral side of the top of the heat exchanger body by moving the movable extension platform, so that the climbing is convenient to the central side of the top of the heat exchanger body, and the problems that in the prior art, when overhaul welding is carried out on the top of the large-diameter vertical heat exchanger body, the movement difficulty of the worker is large and the overhaul welding difficulty is large are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an apparatus for vertical welding of a large-diameter heat exchanger according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a movable lifting assembly according to an embodiment of the utility model.
Fig. 3 is a schematic structural view of an automatic lifting member according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of an electric telescopic member according to an embodiment of the present utility model.
Fig. 5 is a schematic structural diagram of an installation platform according to an embodiment of the present utility model.
FIG. 6 is a schematic diagram of a bevel angle stabilizer according to an embodiment of the present utility model.
The icons are 100-supporting components, 110-supporting bases, 120-heat exchanger bodies, 130-sliding bars, 140-manual climbing stairs, 200-movable lifting components, 210-automatic lifting components, 211-supporting columns, 212-sliding rails, 213-first motors, 214-threaded rods, 220-lifting platforms, 221-guardrails, 222-steps, 230-movable expansion platforms, 240-electric telescopic components, 241-mounting platforms, 2411-mounting plates, 2412-connecting blocks, 2413-placing frames, 242-second motors, 243-rotating shafts, 244-gears, 245-racks, 250-bevel angle stabilizing members, 251-mounting frames, 252-telescopic cylinders, 260-welding machine bodies and 270-limiting blocks;
Detailed Description
Because the lifter is utilized to rise to the top of the heat exchanger in the prior art, then climb to the top support of the heat exchanger, when the lifter moves to the top of the heat exchanger, the distance between the lifter and the top support of the heat exchanger is larger, and the whole process needs to be moved by a handheld welding machine, so that the moving difficulty of workers is large, and the overhauling and welding difficulty is also large. Therefore, the inventor provides a device for vertical welding of a large-diameter heat exchanger through research, can reduce the moving difficulty of workers, and is convenient for the workers to weld and overhaul the top of the vertical heat exchanger.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present utility model provides an apparatus for vertical welding of a large diameter heat exchanger, which includes a support assembly 100 and a movable elevation assembly 200. The movable lifting assembly 200 is convenient for workers to move, welding maintenance is performed on the top of the vertical heat exchanger, and the support assembly 100 is used for supporting the movable lifting assembly 200.
Referring to fig. 2, the support assembly 100 includes a support base 110, a heat exchanger body 120 is disposed on one side of the support base 110, the movable lifting assembly 200 includes an automatic lifting member 210, a lifting platform 220, a movable extension platform 230, an electric extension member 240 and an oblique angle stabilizing member 250, the automatic lifting member 210 is fixedly connected to two sides of the support base 110, the lifting platform 220 is slidably connected to the automatic lifting member 210, a welder body 260 is disposed on the lifting platform 220, wherein one end of the welder body 260 is a welding transformer, one end is a handheld welder, the two are connected by a cable, and the cable of the welder is longer. The automatic lifting member 210 is used for controlling the lifting platform 220 to lift, the movable extension platform 230 is symmetrically arranged on two sides of the bottom surface of the lifting platform 220, the electric telescopic member 240 is in meshing connection with the bottom surface of the movable extension platform 230, the electric telescopic member 240 is used for moving the movable extension platform 230, one end of the bevel angle stabilizing member 250 is hinged on the movable extension platform 230, and the other end of the bevel angle stabilizing member 250 is hinged on the side surface of the automatic lifting member 210. During the use, the workman climbs to on the lift platform 220, start automatic lifting piece 210, make lift platform 220 go up to suitable height, start electric telescopic piece 240, make electric telescopic piece 240 prolong the side to heat exchanger body 120, remove the handheld welding machine on the welding machine body 260 at this moment between extension platform 230 and the heat exchanger body 120, the workman removes the side around heat exchanger body 120 through removing the extension platform 230, can overhaul the side around heat exchanger body 120 top this moment, it is also comparatively convenient to climb to heat exchanger body 120 top center side, when having solved among the prior art to overhaul the welding to the vertical heat exchanger top of major diameter, the workman removes the degree of difficulty greatly, overhaul the problem that the welding degree of difficulty is big.
Referring to fig. 3, the automatic lifting member 210 includes a supporting upright post 211, a sliding rail 212, a first motor 213 and a threaded rod 214, wherein the supporting upright post 211 is symmetrically connected to two sides of the supporting base 110, the sliding rail 212 is disposed in the supporting upright post 211, the threaded rod 214 is rotatably connected to the sliding rail 212, an output end of the first motor 213 is fixedly connected to one end of the threaded rod 214, two sides of the lifting platform 220 are slidably connected to the sliding rail 212, and the threaded rod 214 is rotatably connected to two sides of the lifting platform 220. The first motor 213 is synchronously started to drive the threaded rod 214 to rotate, so that the lifting platform 220 slides on the sliding rail 212, and the lifting platform 220 is lifted, so that a worker can reach a corresponding height.
Referring to fig. 3, the sliding bars 130 are fixedly connected to two sides of the supporting base 110, and two sides of the lifting platform 220 are slidably connected to the sliding bars 130. The sliding rod 130 is used for assisting the lifting platform 220 to slide up and down, so as to improve the stability of movement.
Referring to fig. 4, the electric telescopic member 240 includes a mounting platform 241, a second motor 242, a rotating shaft 243, a gear 244 and a rack 245, wherein the mounting platform 241 is fixedly connected to two sides of the bottom surface of the lifting platform 220, the mounting platform 241 is slidably connected to the sliding rod 130, the rotating shaft 243 is rotatably connected to the mounting platform 241, an end portion of the rotating shaft 243 is fixedly connected to an output end of the second motor 242, the gear 244 is fixedly connected to two sides of the rotating shaft 243, the rack 245 is fixedly connected to two sides of the bottom surface of the mobile expansion platform 230, and the gear 244 is meshed with the rack 245. The second motor 242 is started to drive the rotating shaft 243 to rotate and drive the gear 244 to rotate, so that the rack 245 is driven to move on the gear 244, and the movable expansion platform 230 is extended to the surrounding side of the top of the heat exchanger body 120.
Referring to fig. 5, the mounting platform 241 includes a mounting plate 2411, a connection block 2412 and a placement frame 2413, the mounting plate 2411 is slidably connected to the sliding rod 130, one end of the connection block 2412 is fixedly connected to the mounting plate 2411, the other end of the connection block 2412 is fixedly connected to the lifting platform 220, the placement frame 2413 is fixedly connected to the mounting plate 2411, and the rotation shaft 243 is rotatably connected to the placement frame 2413. When the lifting platform 220 moves up and down, the mounting plate 2411 is driven to move up and down.
Referring to fig. 6, the bevel angle stabilizer 250 includes a mounting frame 251 and a telescopic cylinder 252, the mounting frame 251 is fixedly connected to two sides of the bottom end of the support base 110, the telescopic cylinder 252 is hinged on the support base 110, the output end of the telescopic cylinder 252 is hinged on the lifting platform 220, and the telescopic cylinder 252 has a certain inclination angle. When the lifting platform 220 moves up and down, the telescopic cylinder 252 rotates, and the output end of the telescopic cylinder 252 extends synchronously, so that the mobile extension platform 230 moves up and down, and when the mobile extension platform 230 extends along the horizontal plane, the telescopic cylinder 252 continues to extend, so that the stability of the mobile extension platform 230 is improved.
Referring to fig. 3, a fence 221 is provided around the lifting platform 220. The guard rail 221 serves to protect the safety of workers.
Referring to fig. 3, a certain gap is formed between the lifting platform 220 and the mobile extension platform 230, and a certain height difference is formed between the lifting platform 220 and the mobile extension platform, a step 222 is disposed at the front end of the lifting platform 220, and the step 222 extends to the surface of the mobile extension platform 230. The step 222 facilitates movement by a worker.
Referring to fig. 6, the mobile extension platform 230 is provided with a limiting block 270 at both ends. The limit block 270 prevents the mobile extension platform 230 from being overloaded when it moves horizontally.
Referring to fig. 2, an artificial ladder 140 is fixedly connected to the support base 110. The lifting platform 220 has a certain height with the ground, and a worker can conveniently enter the lifting platform 220 by manually climbing the ladder 140.
In summary, according to the working principle of the device for vertically welding the large-diameter heat exchanger, in the embodiment of the utility model, when the device is used, a worker climbs onto the lifting platform 220, the first motor 213 is synchronously started to drive the threaded rod 214 to rotate, so that the lifting platform 220 slides on the sliding rail 212, the lifting platform 220 is lifted, the worker can reach the corresponding height, the second motor 242 is started to drive the rotating shaft 243 to rotate, the gear 244 is driven to rotate, the rack 245 is driven to move on the gear 244, the movable expansion platform 230 extends to the surrounding side of the top of the heat exchanger body 120, at the moment, the distance between the movable expansion platform 230 and the heat exchanger body 120 is smaller, the worker takes down the handheld welding machine on the welding machine body 260, and can overhaul the surrounding side of the top of the heat exchanger body 120 at the moment, and climb to the center side of the top of the heat exchanger body 120 is more convenient, so that the problem of great overhaul and welding difficulty of the large-diameter vertical heat exchanger in the prior art is solved.
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (10)
1. A device for vertical welding of a large-diameter heat exchanger is characterized by comprising
The support assembly (100), the support assembly (100) comprises a support base (110), and a heat exchanger body (120) is arranged on one side of the support base (110);
Remove lifting unit (200), remove lifting unit (200) including automatic lifting element (210), lift platform (220), remove extension platform (230), electric telescopic spare (240) and oblique angle steady firmware (250), automatic lifting element (210) fixed connection in the both sides of supporting base (110), lift platform (220) sliding connection in on automatic lifting element (210), be provided with welding machine body (260) on lift platform (220), automatic lifting element (210) are used for controlling lift platform (220) and go up and down, remove extension platform (230) symmetry set up in lift platform (220) bottom surface both sides, electric telescopic spare (240) ratcheting connect in the bottom surface of removal extension platform (230), electric telescopic spare (240) are used for removing remove extension platform (230), the one end of oblique angle steady firmware (250) articulate in on removal extension platform (230), the other end of steady oblique angle firmware (250) articulate in the side of automatic lifting element (210).
2. The device for vertical welding of a large diameter heat exchanger according to claim 1, wherein the automatic lifting member (210) comprises a supporting upright (211), a sliding rail (212), a first motor (213) and a threaded rod (214), the supporting upright (211) is symmetrically connected to two sides of the supporting base (110), the sliding rail (212) is placed in the supporting upright (211), the threaded rod (214) is rotatably connected to the sliding rail (212), an output end of the first motor (213) is fixedly connected to one end of the threaded rod (214), two sides of the lifting platform (220) are slidably connected to the sliding rail (212), and the threaded rod (214) is rotatably connected to two sides of the lifting platform (220).
3. The device for vertical welding of large diameter heat exchangers according to claim 2, wherein two sides of the support base (110) are fixedly connected with sliding bars (130), and two sides of the lifting platform (220) are slidably connected to the sliding bars (130).
4. A device for vertical welding of a large diameter heat exchanger according to claim 3, wherein the electric telescopic member (240) comprises a mounting platform (241), a second motor (242), a rotating shaft (243), a gear (244) and a rack (245), the mounting platform (241) is fixedly connected to two sides of the bottom surface of the lifting platform (220), the mounting platform (241) is slidably connected to the sliding rod (130), the rotating shaft (243) is rotatably connected to the mounting platform (241), the end of the rotating shaft (243) is fixedly connected to the output end of the second motor (242), the gear (244) is fixedly connected to two sides of the rotating shaft (243), the rack (245) is fixedly connected to two sides of the bottom surface of the movable expansion platform (230), and the gear (244) is meshed with the rack (245).
5. The device for vertical welding of a large diameter heat exchanger according to claim 4, wherein the mounting platform (241) comprises a mounting plate (2411), a connecting block (2412) and a placement frame (2413), the mounting plate (2411) is slidably connected to the sliding rod (130), one end of the connecting block (2412) is fixedly connected to the mounting plate (2411), the other end of the connecting block (2412) is fixedly connected to the lifting platform (220), the placement frame (2413) is fixedly connected to the mounting plate (2411), and the rotating shaft (243) is rotatably connected to the placement frame (2413).
6. The device for vertical welding of large diameter heat exchangers according to claim 4, wherein the bevel angle stabilizer (250) comprises a mounting frame (251) and a telescopic cylinder (252), the mounting frame (251) is fixedly connected to two sides of the bottom end of the support base (110), the telescopic cylinder (252) is hinged to the support base (110), the output end of the telescopic cylinder (252) is hinged to the lifting platform (220), and the telescopic cylinder (252) has a certain inclination angle.
7. The device for vertical welding of large diameter heat exchangers according to claim 1, wherein a fence (221) is provided around the lifting platform (220).
8. The apparatus for vertical welding of large diameter heat exchangers according to claim 1, wherein the elevating platform (220) and the movable expansion platform (230) have a certain gap therebetween and have a certain height difference, and the front end of the elevating platform (220) is provided with a step (222), and the step (222) extends to the surface of the movable expansion platform (230).
9. The apparatus for vertical welding of large diameter heat exchangers according to claim 1, wherein the mobile expansion platform (230) is provided with limiting blocks (270) at both ends.
10. The device for vertical welding of large diameter heat exchangers according to claim 1, wherein the support base (110) is fixedly connected with a manual ladder stand (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422515992.3U CN223254842U (en) | 2024-10-17 | 2024-10-17 | Vertical welding device for large-diameter heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422515992.3U CN223254842U (en) | 2024-10-17 | 2024-10-17 | Vertical welding device for large-diameter heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223254842U true CN223254842U (en) | 2025-08-22 |
Family
ID=96764267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422515992.3U Active CN223254842U (en) | 2024-10-17 | 2024-10-17 | Vertical welding device for large-diameter heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223254842U (en) |
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2024
- 2024-10-17 CN CN202422515992.3U patent/CN223254842U/en active Active
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