Positioning device for pipeline welding

By designing the positioning device of the height adjustment and rotation adjustment mechanism, the problems of complex pipeline angle adjustment and limited application scope in the prior art are solved, and efficient and stable pipeline welding effect is achieved.

CN223043991UActive Publication Date: 2025-07-01TIANJIN HUANTOU GREENING ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422120755.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-07-01
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The existing positioning devices are complex in operation when adjusting the angle of the pipeline, which results in a long adjustment time for pipeline installation and positioning, and cannot be suitable for pipelines of different diameters, limiting the scope of application.

Method used

A positioning device including a height adjustment mechanism, a rotation adjustment mechanism and a pipeline fixing structure is designed. The distance of the pipeline clamp is adjusted through the height adjustment mechanism, and the rotation adjustment mechanism adjusts the angle. The fixed structure ensures the stability of the pipeline and adapts to pipes of different diameters and shapes.

Benefits of technology

It improves the efficiency and accuracy of pipeline welding, reduces operation difficulty, ensures welding quality and strength, and adapts to a variety of welding scenarios.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223043991U_ABST
    Figure CN223043991U_ABST
Patent Text Reader

Abstract

The utility model provides a positioning device for pipeline welding. The positioning device comprises a bottom plate, a supporting structure, a height adjusting mechanism, a fixing transverse rod, two rotary adjusting mechanisms and two pipeline fixing structures. The height adjusting mechanism is arranged in the middle of the upper end face of the bottom plate. The middle of the fixed transverse rod is connected with the lifting end of the height adjusting mechanism. The two pipeline fixing structures are symmetrically arranged at the left end and the right end of the fixing transverse rod, each pipeline fixing structure is detachably connected with the fixing transverse rod, the bottom of each pipeline fixing structure is correspondingly provided with one rotary adjusting mechanism, and the rotary adjusting mechanisms are arranged on the upper end face of the bottom plate. According to the positioning device for pipeline welding, the problem that long adjustment time is needed for pipeline installation and positioning due to the fact that operation is complex when a positioning device in the related technology is used for adjusting the angle of a pipeline is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline welding, and particularly relates to a positioning device for pipeline welding. Background Art

[0002] The positioning device for pipeline welding is used to ensure that the pipeline remains precisely aligned and stable during the welding process. This device is usually used in pipeline installation and maintenance to ensure the quality and strength of the welded joints. The positioning device can firmly fix the pipeline, prevent displacement or vibration during the welding process, and ensure the accuracy of the welding points. Due to the complex operation of the positioning device in the related technology when adjusting the pipeline angle, it leads to a long adjustment time for pipeline installation and positioning; and the positioning device in the related technology cannot be applied to pipelines with different diameters, thus limiting the application range of the positioning device. Summary of the Invention

[0003] In view of this, the utility model aims to solve at least one of the related technical problems to a certain extent.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A positioning device for pipeline welding includes a bottom plate, a support structure, a height adjustment mechanism, a fixed cross bar, two rotation adjustment mechanisms and two pipeline fixing structures;

[0006] The height adjustment mechanism is arranged in the middle of the upper end surface of the bottom plate, and the middle part of the fixed cross bar is connected to the lifting end of the height adjustment mechanism;

[0007] The two pipeline fixing structures are symmetrically arranged at the left and right ends of the fixed cross bar. Each pipeline fixing structure is detachably connected to the fixed cross bar, and a rotation adjustment mechanism is correspondingly arranged at the bottom of each pipeline fixing structure. The rotation adjustment mechanism is arranged on the upper end surface of the bottom plate;

[0008] Each pipeline fixing structure can fix a pipeline;

[0009] The support structure is arranged on the lower end surface of the bottom plate.

[0010] Further, the height adjustment mechanism includes a rotating base, an adjustment sleeve, a fixed sleeve, a lifting screw and a runner. The rotating base is arranged on the upper end surface of the bottom plate. The bottom of the lifting screw is rotatably connected to the rotating base. The runner is arranged at the top of the lifting screw. The adjustment sleeve is arranged on the lifting screw. The fixed sleeve is horizontally arranged on the outer wall of the adjustment sleeve, and the fixed sleeve is sleeved outside the fixed cross bar.

[0011] Further, the height adjustment mechanism further includes a reverse locking mechanism, which includes a locking nut and an anti-slip gasket. The locking nut is in threaded cooperation with the lifting screw rod. The locking nut is arranged below the adjusting sleeve, and the anti-slip gasket is arranged between the locking nut and the adjusting sleeve.

[0012] Further, the pipe fixing structure includes a fixing block, a locking screw, a pressing screw rod, a first pipe clamping plate and a second pipe clamping plate. The fixing block is slidably arranged at the end of the fixed cross bar, and the fixing block is connected and fixed to the fixed cross bar by the locking screw. The pressing screw rod penetrates through the fixing block, and the fixing block is in threaded cooperation with the pressing screw rod. The two pipe clamping plates are symmetrically arranged at the bottom of the pressing screw rod. The first pipe clamping plate is rotatably connected to the pressing screw rod, and the second pipe clamping plate is connected to the rotation adjustment mechanism.

[0013] Further, the cross section of the pipe clamping plate is an arc structure capable of cooperating with the pipe. An anti-slip pad is arranged on the inner side of the pipe clamping plate, and reinforcing ribs are arranged at both the front and rear ends of the pipe clamping plate.

[0014] Further, the rotation adjustment mechanism includes a positioning slide bar and a guiding chute. The guiding chute is arranged on the upper end surface of the bottom plate. The guiding chute is an arc structure. The top of the positioning slide bar is connected to the pipe clamping plate, and the bottom of the positioning slide bar is slidably matched with the guiding chute.

[0015] Further, the support structure includes 4 support blocks, and the 4 support blocks are evenly distributed at the vertex positions of the lower end surface of the bottom plate.

[0016] Compared with the prior art, the positioning device for pipe welding of the present utility model has the following advantages:

[0017] 1. Through the height adjustment mechanism, the heights of the two pipe fixing structures can be adjusted simultaneously according to pipes with different diameters, making the distance between the pipe clamping plates more flexible, applicable to various specifications of pipes, and increasing the versatility of the device. The height adjustment mechanism usually has an accurate thread adjustment structure, which can accurately control the distance between the two pipe clamping plates to ensure the precise positioning of the pipes during the welding process. The operator can easily adjust the distance between the clamping plates, reducing the adjustment time and working difficulty and improving the work efficiency. Moreover, the height adjustment mechanism can provide stable support and adjustment, maintaining the stability of the clamping plates during the adjustment process and avoiding errors caused by unstable pipe positions during the welding process.

[0018] 2. Through the combination of a fixed block, locking screws, compression screws, and pipe clamps, the pipe can be firmly fixed, preventing displacement caused by external forces or vibrations during the welding process. The pipe fixing structure is designed with adjustable clamps and sliding fixed blocks, which can adapt to pipes of different diameters and shapes and are widely used in various welding scenarios. An anti-slip pad is provided on the inner side of the pipe clamp, which can effectively increase the friction between the pipe and the clamp and prevent the pipe from sliding during the welding process.

[0019] 3. The rotation adjustment mechanism can precisely control the angle of the pipe clamp. Through the cooperation of the sliding positioning rod and the guiding chute, multi-angle adjustment can be achieved to meet the requirements of different welding angles. The angle of the clamp can be adjusted through a simple rotation operation, which is convenient to operate and reduces the operation difficulty of workers. By precisely adjusting the angle of the pipe, the rotation adjustment mechanism can ensure that the welding surface of the pipe is accurately aligned, thereby improving the quality and strength of the welded joint and reducing welding defects. The rotation adjustment mechanism can adapt to a variety of pipe welding scenarios. Whether it is parallel welding or complex cross-welding, the best welding posture can be achieved through angle adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings forming a part of this utility model are used to provide a further understanding of this utility model. The schematic embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model. In the drawings:

[0021] Figure 1 is a schematic diagram of a positioning device for pipe welding according to an embodiment of this utility model;

[0022] Figure 2 is a schematic diagram of the pipe fixing structure according to an embodiment of this utility model;

[0023] Figure 3 is a schematic diagram of the height adjustment mechanism structure according to an embodiment of this utility model;

[0024] Figure 4 is a schematic diagram of the rotation adjustment mechanism structure according to an embodiment of this utility model;

[0025] Figure 5 is a schematic diagram of the support structure according to an embodiment of this utility model.

[0026] DESCRIPTION OF THE REFERENCE NUMERALS:

[0027] 101, bottom plate; 201, support structure; 301, first pipe clamp; 302, second pipe clamp; 401, fixing block; 402, fixing cross bar; 403, lifting screw; 404, guiding sliding groove; 405, locking screw; 406, positioning sliding bar; 501, adjusting sleeve; 502, fixing sleeve; 503, runner; 504, locking nut; 505, rotating base. Detailed implementation mode

[0028] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0030] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0031] The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0032] A positioning device for pipe welding, as Figure 1As shown in the figure, it includes a bottom plate 101, a support structure 201, a height adjustment mechanism, a fixed crossbar 402, two rotation adjustment mechanisms and two pipe fixing structures; the height adjustment mechanism is arranged in the middle of the upper end surface of the bottom plate 101, and the middle of the fixed crossbar 402 is connected to the lifting end of the height adjustment mechanism; the two pipe fixing structures are symmetrically arranged at the left and right ends of the fixed crossbar 402, each pipe fixing structure is detachably connected to the fixed crossbar 402, and a rotation adjustment mechanism is correspondingly arranged at the bottom of each pipe fixing structure, and the rotation adjustment mechanism is arranged on the upper end surface of the bottom plate 101; each pipe fixing structure can fix a pipe; the support structure 201 is arranged on the lower end surface of the bottom plate 101. The support structure 201 includes 4 support blocks, and the 4 support blocks are evenly distributed at the vertex positions of the lower end surface of the bottom plate 101.

[0033] The height adjustment mechanism includes a rotating base 505, an adjustment sleeve 501, a fixed sleeve 502, a lifting screw 403 and a rotating wheel 503. The rotating base 505 is arranged on the upper end surface of the bottom plate 101. The bottom of the lifting screw 403 is rotatably connected to the rotating base 505. A rotating wheel 503 is arranged at the top of the lifting screw 403. The adjustment sleeve 501 is arranged on the lifting screw 403. The fixed sleeve 502 is horizontally arranged on the outer wall of the adjustment sleeve 501, and the fixed sleeve 502 is sleeved outside the fixed crossbar 402. The height adjustment mechanism further includes a reverse locking mechanism. The reverse locking mechanism includes a locking nut 504 and an anti-slip gasket. The locking nut 504 is in threaded cooperation with the lifting screw 403. The locking nut 504 is arranged below the adjustment sleeve 501, and the anti-slip gasket is arranged between the locking nut 504 and the adjustment sleeve 501. Through the height adjustment mechanism, the heights of the two pipe fixing structures can be adjusted simultaneously according to pipes of different diameters, making the distance between the pipe clamping plates more flexible, applicable to various specifications of pipes, and increasing the versatility of the device. The height adjustment mechanism usually has an accurate thread adjustment structure, which can accurately control the distance between the two pipe clamping plates to ensure the precise positioning of the pipes during the welding process. The operator can easily adjust the distance between the clamping plates, reducing the adjustment time and working difficulty and improving the working efficiency. And the height adjustment mechanism can provide stable support and adjustment, maintaining the stability of the clamping plates during the adjustment process and avoiding errors caused by unstable pipe positions during the welding process.

[0034] The pipe fixing structure includes a fixing block 401, a locking screw 405, a pressing screw, a first pipe clamp 301 and a second pipe clamp 302. The fixing block 401 is slidably arranged at the end of the fixing cross bar 402. The fixing block 401 is connected and fixed to the fixing cross bar 402 through the locking screw 405. The pressing screw penetrates through the fixing block 401, and the fixing block 401 is in threaded cooperation with the pressing screw. The two pipe clamps are symmetrically arranged at the bottom of the pressing screw. The first pipe clamp 301 is rotatably connected to the pressing screw, and the second pipe clamp 302 is connected to a rotation adjustment mechanism. In this embodiment, the cross section of the pipe clamp is an arc structure capable of cooperating with the pipe. An anti-slip pad is provided on the inner side of the pipe clamp, and reinforcing ribs are provided at both the front and rear ends of the pipe clamp. Through the combination of the fixing block 401, the locking screw 405, the pressing screw and the pipe clamp, the pipe can be firmly fixed, preventing displacement caused by external force or vibration during the welding process. The pipe fixing structure is designed with adjustable clamps and a sliding fixing block 401, which can adapt to pipes of different diameters and shapes and is widely used in various welding scenarios. An anti-slip pad is provided on the inner side of the pipe clamp, which can effectively increase the friction between the pipe and the clamp and prevent the pipe from sliding during the welding process.

[0035] The rotation adjustment mechanism includes a positioning slide bar 406 and a guiding chute 404. The guiding chute 404 is arranged on the upper end surface of the bottom plate 101. The guiding chute 404 is an arc structure. The top of the positioning slide bar 406 is connected to the pipe clamp, and the bottom of the positioning slide bar 406 is in sliding cooperation with the guiding chute 404. The rotation adjustment mechanism can accurately control the angle of the pipe clamp. Through the cooperation of sliding the positioning slide bar 406 and the guiding chute 404, multi-angle adjustment can be achieved to meet the requirements of different welding angles. The angle of the clamp can be adjusted through a simple rotation operation, which is convenient to operate and reduces the operation difficulty of workers. By accurately adjusting the angle of the pipe, the rotation adjustment mechanism can ensure that the welding surface of the pipe is accurately aligned, thereby improving the quality and strength of the welding joint and reducing welding defects. The rotation adjustment mechanism can adapt to a variety of pipe welding scenarios. Whether it is parallel welding or complex cross welding, the best welding posture can be achieved through angle adjustment.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A positioning device for pipeline welding, characterized in that: It comprises a base plate (101), a supporting structure (201), a height adjustment mechanism, a fixed crossbar (402), two rotation adjustment mechanisms and two pipe fixing structures; The height adjustment mechanism is arranged at the middle part of the upper end surface of the bottom plate (101), and the middle part of the fixed cross bar (402) is connected to the lifting end of the height adjustment mechanism; The two pipeline fixing structures are symmetrically arranged at the left and right ends of the fixing cross bar (402), each of the pipeline fixing structures is detachably connected to the fixing cross bar (402), and a rotation adjustment mechanism is correspondingly arranged at the bottom of each pipeline fixing structure, and the rotation adjustment mechanism is arranged on the upper end surface of the bottom plate (101); Each of the pipeline fixing structures can fix a pipeline; The supporting structure (201) is arranged on the lower end surface of the bottom plate (101).

2. A positioning device for pipeline welding according to claim 1, characterized in that: The height adjustment mechanism comprises a rotating base (505), an adjusting sleeve (501), a fixed sleeve (502), a lifting screw (403) and a rotating wheel (503); the rotating base (505) is arranged on the upper end surface of the bottom plate (101); the bottom of the lifting screw (403) is rotatably connected to the rotating base (505); the top of the lifting screw (403) is provided with the rotating wheel (503); the adjusting sleeve (501) is arranged on the lifting screw (403); the fixed sleeve (502) is transversely arranged on the outer wall of the adjusting sleeve (501); and the fixed sleeve (502) is sleeved on the outside of the fixed cross bar (402).

3. A positioning device for pipeline welding according to claim 2, characterized in that: The height adjustment mechanism also includes a reverse locking mechanism, which includes a locking nut (504) and an anti-slip gasket. The locking nut (504) is threadedly matched with the lifting screw (403). The locking nut (504) is arranged below the adjustment sleeve (501), and the anti-slip gasket is arranged between the locking nut (504) and the adjustment sleeve (501).

4. A positioning device for pipeline welding according to any one of claims 1 to 3, characterized in that: The pipeline fixing structure comprises a fixing block (401), a locking screw (405), a clamping screw, a first pipeline clamp (301) and a second pipeline clamp (302); the fixing block (401) is slidably arranged at the end of the fixing cross bar (402); the fixing block (401) is connected and fixed to the fixing cross bar (402) via a locking screw (405); the clamping screw passes through the fixing block (401); the fixing block (401) is threadably matched with the clamping screw; the two pipeline clamps are symmetrically arranged at the bottom of the clamping screw; the first pipeline clamp (301) is rotationally connected to the clamping screw; and the second pipeline clamp (302) is connected to the rotation adjustment mechanism.

5. A positioning device for pipeline welding according to claim 4, characterized in that: The cross section of the pipe clamp is an arc-shaped structure that can cooperate with the pipe. The inner side of the pipe clamp is provided with an anti-slip pad, and the front and rear ends of the pipe clamp are provided with reinforcing ribs.

6. A positioning device for pipeline welding according to claim 4, characterized in that: The rotation adjustment mechanism includes a positioning slide bar (406) and a guide slide groove (404), wherein the guide slide groove (404) is arranged on the upper end surface of the base plate (101), and the guide slide groove (404) is an arc structure. The top of the positioning slide bar (406) is connected to the pipe clamp, and the bottom of the positioning slide bar (406) is slidably matched with the guide slide groove (404).

7. A positioning device for pipeline welding according to claim 4, characterized in that: The support structure (201) comprises four support blocks, and the four support blocks are evenly distributed at the vertices of the lower end surface of the bottom plate (101).