CN220073659U - Preheating device for pipeline welding - Google Patents
Preheating device for pipeline welding Download PDFInfo
- Publication number
- CN220073659U CN220073659U CN202321378239.3U CN202321378239U CN220073659U CN 220073659 U CN220073659 U CN 220073659U CN 202321378239 U CN202321378239 U CN 202321378239U CN 220073659 U CN220073659 U CN 220073659U
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- arc
- screw rod
- screw
- shaped plate
- preheating device
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- 238000003466 welding Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract 4
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 10
- 210000001503 joint Anatomy 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000004429 Calibre Substances 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model belongs to the technical field of welding and preheating, and particularly relates to a preheating device for pipeline welding, which comprises two arc-shaped brackets matched with each other for use, wherein each arc-shaped bracket comprises an arc-shaped plate, a spray gun assembly and a support assembly are arranged on each arc-shaped plate, a connecting screw rod is arranged in a through hole of each arc-shaped plate in a penetrating way, a locking nut is connected with the connecting screw rod to fix the connecting screw rod on the arc-shaped plate, a spray head is arranged at the tail end of the connecting screw rod, a connector is arranged at the head end of the connecting screw rod and is connected with a gas pipe, each support assembly comprises a support screw rod, the support screw rod is arranged in the through hole of each arc-shaped plate in a penetrating way, a locking nut is connected with the support screw rod to fix the support screw rod on the arc-shaped plate, and a roller is arranged at the tail end of each support screw rod.
Description
Technical Field
The utility model belongs to the technical field of welding preheating, and particularly relates to a preheating device for pipeline welding.
Background
The pre-heater of a spray gun structure that uses at present has welded fastening's spray gun and support frame, and this kind of pre-heater result in use is better, but can only use to the pipeline of special size, can't realize the general of the pipeline that needs to preheat, in addition, along with the increase of pipeline pipe diameter, the size of groove can have the change, and fixed knot constructs the pre-heater unable to satisfy the use.
Disclosure of Invention
The present utility model has been made to solve the above-described problems, and an object of the present utility model is to provide a preheating device for welding a pipe.
The utility model aims to provide a preheating device for pipeline welding, which is characterized in that a spray gun assembly and a supporting assembly are arranged on an arc-shaped plate, the positions of supporting screws on the arc-shaped plate are adjusted so as to adapt to different pipe diameters, rollers on the supporting assembly are contacted with the periphery of a pipeline, the preheating device is supported, a spray head is separated from the pipeline, and flame sprayed by the spray head is utilized to preheat the joint of the pipeline.
In order to achieve the purpose of the utility model, the technical scheme of the utility model is as follows:
the utility model provides a preheating device for pipeline welding, including two arc supports that mutually support and use, the arc support includes the arc, set up the through-hole of interval arrangement on the arc, be provided with spray gun assembly and support assembly in the through-hole, the spray gun assembly includes connecting screw rod, be provided with the cavity of through-connection screw rod in the connecting screw rod, connecting screw rod wears to establish in the through-hole, the arc both sides are provided with lock nut, lock nut is connected with connecting screw rod and fixes connecting screw rod on the arc, the connecting screw rod end is provided with the shower nozzle, connecting screw rod's head end is provided with the joint, connect and connect the gas pipe, support assembly includes supporting screw rod, supporting screw rod wears to establish in the through-hole, arc both sides are provided with lock nut, lock nut is connected with supporting screw rod and fixes supporting screw rod on the arc, supporting screw rod end is provided with the gyro wheel.
Further, rib plates are arranged on the arc-shaped plates.
Further, the arc-shaped plate is provided with a connecting plate, and when the two arc-shaped brackets are in butt joint, the connecting plates on the two arc-shaped brackets are in butt joint and fixed together.
Further, the side face of the arc-shaped plate is provided with a handle.
Further, the handles are symmetrically arranged about the center of the arcuate plate.
Further, a screw barrel is arranged at the lower end of the supporting screw, and rollers are arranged at the two ends of the screw barrel.
Further, a screw hole is formed in the screw barrel, an adjusting screw rod is arranged in the screw hole in a screwed mode, a locking nut is arranged on the adjusting screw rod, the locking nut is in contact with the screw barrel to fix the adjusting screw rod in the screw hole, and the idler wheel is hinged to the adjusting screw rod.
Further, the diameter of the roller is larger than that of the screw cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model takes the arc-shaped plate as a bearing foundation, the spray gun assembly and the supporting assembly are arranged on the arc-shaped plate, the roller on the supporting assembly is contacted with the periphery of the pipeline by adjusting the position of the supporting screw on the arc-shaped plate so as to adapt to different pipe diameters, the preheating device is supported, the spray head is separated from the pipeline, and the flame sprayed by the spray head is utilized to preheat the joint of the pipeline.
2. The support assembly is provided with a screw cylinder and an adjusting screw rod in screw connection with the screw cylinder, the idler wheels are arranged on the adjusting screw rod, and the interval between the two idler wheels is adjusted according to the size of a groove and the influence of flame sprayed by the spray gun assembly on the idler wheels.
3. According to the utility model, the handle is arranged on the side face of the arc-shaped plate, and the handle is held to rotate the arc-shaped plate, so that the arc-shaped plate rotates reciprocally on the pipeline.
4. The utility model has raised rib plates on the arc plate to strengthen the structural strength of the arc plate.
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.
FIG. 1 is a schematic view of the overall structure of an arc bracket of the present utility model;
FIG. 2 is a schematic view of an embodiment of the present utility model mated with a pipe;
FIG. 3 is a schematic view of another embodiment of the utility model mated with a pipe;
FIG. 4 is a schematic view of the structure of FIG. 3 in another direction;
FIG. 5 is a schematic view of the overall structure of the support assembly of the present utility model.
In the figure:
1. arc, 2, rib plate, 3, spray gun assembly, 4, support assembly, 5, connecting plate, 6, handle, 7, supporting screw, 8, spiral shell section of thick bamboo, 9, adjusting screw, 10, gyro wheel.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
Example 1
The embodiment relates to a preheating device for pipeline welding, a welding preheating treatment for heavy-calibre pipeline, including two arc supports that mutually support and use, as shown in fig. 1, arc support includes arc 1, the central angle that arc 1 corresponds is 180, two arc 1 cooperation convenient to use are installed arc support on the pipeline, the cross-section of arc 1 is the rectangle, and, the rib plate 2 that has outstanding arc 1 on the arc 1, rib plate 2 extends along the pitch arc of arc 1, in this embodiment, rib plate 2 has two, rib plate 2 is located the border position of arc 1, in order to strengthen the intensity of arc 1, the end of arc 1 has connecting plate 5, when two arc supports butt joint, connecting plate 5 butt joint and fixed together on two arc supports, and pass through the bolt with two arc supports fixed mounting together.
The through holes which are arranged at intervals are formed in the arc-shaped plate 1, the spray gun assembly 3 and the support assembly 4 are installed in the through holes, the spray gun assembly 3 is utilized to align to the groove of the butt joint of the pipeline, the support assembly 4 is utilized to support the arc-shaped plate 1 on the periphery of the pipeline, the spray gun assembly 3 in the embodiment is used as a concrete implementation structure, the connecting screw rod is internally provided with a cavity which penetrates through the connecting screw rod, the connecting screw rod penetrates through the through holes, locking nuts are installed on two sides of the arc-shaped plate 1, the locking nuts are connected with the connecting screw rod to fix the connecting screw rod on the arc-shaped plate 1, the tail ends of the connecting screw rod are provided with spray heads, the head ends of the connecting screw rod are provided with connectors, the connectors are connected with fuel gas pipes, in this embodiment, the connectors adopt pagoda-shaped connectors, the connectors are conveniently connected with the flexible fuel gas pipes in a sealing mode, the support assembly 4 comprises the support screw rod 7, the support screw rod 7 penetrates through the through holes, the two sides of the arc-shaped plate 1 are provided with locking nuts, the locking nuts are connected with the support screw rod 7, the tail ends of the support screw rod 7 are installed in the through holes, the locking nuts are abutted together with the periphery of the pipeline, the connecting screw rod, the connecting nuts are connected with the periphery of the pipeline, the connecting screw rod is fixed on the arc-shaped plate 1, the handle 6 is further symmetrically, the handle 1 is installed on the side of the arc-shaped plate 1, and the handle 1 is further rotated, and the handle 1 is arranged on the side of the hand grip, and the hand grip 1, and the example, and the handle 1 can rotate, and the example, and the handle 1.
As a further improved structure, in order to avoid the flame from affecting the roller 10, and to adapt to different groove sizes, in this embodiment, the lower end of the supporting screw 7 is fixedly welded with the roller 8, the central axis of the supporting screw 7 is vertically arranged with the central axis of the roller 8, and the rollers 10 are mounted at two ends of the roller 8, specifically, the embodiment is provided with screw holes on the roller 8, and the two ends of the roller 8 are provided with screw holes, the screw holes are internally screwed with adjusting screw rods 9, the adjusting screw rods 9 are provided with locking nuts, the locking nuts are in contact with the roller 8 to fix the adjusting screw rods 9 in the screw holes, the rollers 10 are hinged with the adjusting screw rods 9, the diameter of the rollers 10 is larger than the diameter of the roller 8, when the interval between the adjusting screw rods 10 is needed, the interval between the rollers 10 can be adjusted by loosening the locking nuts and rotating the adjusting screw rods 9, and then the locking nuts are fixed to realize the fixed connection between the adjusting screw rods 9 and the roller 8.
When the device is used, the distance between the rollers 10 is adjusted according to the diameter of the pipeline, the positions of the supporting screw 7 and the connecting screw on the arc plate 1 are adjusted, then the two arc supports are installed on the pipeline and fixed together, when the arc supports are rotated, the handle 6 is held to rotate for half a circle and then is rotated for half a circle, the torsion of the gas pipe is avoided, and the preheating of the welding part of the pipeline can be realized by reciprocating rotation.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (8)
1. The preheating device for pipeline welding is characterized by comprising two arc-shaped brackets which are matched with each other for use, wherein each arc-shaped bracket comprises an arc-shaped plate (1), through holes which are arranged at intervals are formed in each arc-shaped plate (1), and a spray gun assembly (3) and a support assembly (4) are arranged in each through hole;
the spray gun assembly (3) comprises a connecting screw rod, a cavity penetrating through the connecting screw rod is formed in the connecting screw rod, the connecting screw rod penetrates through the through hole, locking nuts are arranged on two sides of the arc-shaped plate (1), the locking nuts are connected with the connecting screw rod to fix the connecting screw rod on the arc-shaped plate (1), a spray head is arranged at the tail end of the connecting screw rod, a connector is arranged at the head end of the connecting screw rod, and the connector is connected with a gas pipe;
the support assembly (4) comprises a support screw (7), the support screw (7) is arranged in the through hole in a penetrating mode, locking nuts are arranged on two sides of the arc-shaped plate (1), the locking nuts are connected with the support screw (7) to fix the support screw (7) on the arc-shaped plate (1), and idler wheels (10) are arranged at the tail ends of the support screw (7).
2. A preheating device for welding pipes according to claim 1, characterized in that the arc plate (1) is provided with ribs (2).
3. A preheating device for welding a pipeline according to claim 1, characterized in that the arc-shaped plate (1) is provided with a connecting plate (5), and when two arc-shaped brackets are butted, the connecting plates (5) on the two arc-shaped brackets are butted and fixed together.
4. A preheating device for welding pipes according to claim 1, characterized in that the arc plate (1) is provided with a handle (6) on the side.
5. A preheating device for welding pipes according to claim 4, characterized in that the handles (6) are arranged symmetrically with respect to the centre of the arc plate (1).
6. A preheating device for welding a pipeline according to claim 1, characterized in that the lower end of the supporting screw (7) is provided with a screw cylinder (8), and both ends of the screw cylinder (8) are provided with rollers (10).
7. The preheating device for pipeline welding according to claim 6, wherein the screw cylinder (8) is provided with a screw hole, an adjusting screw (9) is arranged in the screw hole in a screwed manner, a locking nut is arranged on the adjusting screw (9), the locking nut contacts with the screw cylinder (8) to fix the adjusting screw (9) in the screw hole, and the roller (10) is hinged on the adjusting screw (9).
8. A preheating device for welding pipes according to claim 6, characterized in that the diameter of the roller (10) is larger than the diameter of the screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378239.3U CN220073659U (en) | 2023-06-01 | 2023-06-01 | Preheating device for pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378239.3U CN220073659U (en) | 2023-06-01 | 2023-06-01 | Preheating device for pipeline welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220073659U true CN220073659U (en) | 2023-11-24 |
Family
ID=88813678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321378239.3U Active CN220073659U (en) | 2023-06-01 | 2023-06-01 | Preheating device for pipeline welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220073659U (en) |
-
2023
- 2023-06-01 CN CN202321378239.3U patent/CN220073659U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |