Hanging arm hook mechanism for pipe welding
By designing the hook arm hook mechanism for pipe welding, and using the hook cylinder drive hook bracket to cooperate with the connecting wheel, the problem of bending of the hanging arm due to self-weight is solved, stable support and precise welding of the pipe are achieved, and welding quality and safety are ensured.
Patent Information
- Application Number
- CN202422380487.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In the prior art, the hanging arm is prone to bend due to its own weight during the welding of pipes, which affects the support effect and welding quality.
A hook mechanism for pipe welding is designed. The hook bracket is driven to rotate through the hook cylinder, and the connecting plate and hook groove on the hook bracket are used to cooperate with the connecting wheel on the hook arm to achieve quick connection and support, combining the push pipe assembly and limit stop to ensure the positioning and welding accuracy of the pipe.
Effectively prevent changes in the deflection of the hanging arm, ensure the level of the pipe and welding quality, improve the stability and accuracy of welding, and protect the welding safety through argon.
Smart Images
Figure CN223129696U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pipe welding hanging arm supports, and particularly to a hanging arm hook mechanism for pipe welding. Background Technique
[0002] Pipe welding is a technical method of connecting pipes or pipe fittings into a whole through a welding process, and is widely used in industries such as petroleum, chemical industry, natural gas, shipbuilding, and electric power. Welding not only requires the strength and tightness of the weld seam, but also needs to consider factors such as the material, specification, shape, working pressure, temperature, and medium of the pipe, which is a work with high technical requirements and great difficulty.
[0003] In the prior art, after the pipes are fed, generally a suspended cantilever or hanging arm is needed to support the pipes. However, during the support process, the hanging arm is prone to bending under the self-weight of the pipes, thereby affecting the support of the hanging arm for the pipes and the subsequent positioning and welding effects of the pipes. Therefore, it is necessary to develop a hook mechanism that can connect to the hanging arm to reduce the deflection change of the hanging arm. Summary of the Invention
[0004] The purpose of the utility model is to provide a hanging arm hook mechanism for pipe welding, with a clever structure, which can be quickly connected to or quickly disengaged from the hanging arm by rotation, can not only ensure that there is no interference during pipe feeding, but also ensure that the pipes are connected to the hanging arm and supported by the hanging arm after pipe feeding, which is convenient and practical.
[0005] The technical solution for realizing the purpose of the utility model is: the utility model has a working platform and a frame fixed on the working platform; an installation seat and a hanging arm that can extend into the pipe and support the pipe are arranged on the working platform. One end of the hanging arm is fixed on the installation seat, and the other end of the hanging arm is suspended. A hook assembly for supporting the suspended end of the hanging arm is arranged on the frame. The hook assembly includes a hook cylinder arranged on the frame, a hook bracket rotatably connected to the frame, and connecting plates oppositely arranged on the hook bracket. One end of the hook cylinder is rotatably connected to the frame, and the telescopic end of the hook cylinder is rotatably connected to the hook bracket. The rotation axis of the hook bracket is perpendicular to the extension direction of the hanging arm. Connecting wheels are arranged on both sides of the suspended end of the hanging arm, and each connecting wheel is rotatably connected to the hanging arm, and the rotation axis of each connecting wheel is parallel to the rotation axis of the hook bracket. A hook groove for the corresponding connecting block to be inserted into is arranged on each connecting plate. Each connecting plate on the hook bracket supports the suspended end of the hanging arm through the driving of the hook bracket by the hook cylinder, the rotational connection between the hook bracket and the frame, and the insertion and cooperation between the hook groove and the connecting block.
[0006] Furthermore, the above-mentioned hook bracket includes two oppositely arranged hook plates and a connecting plate connecting the two hook plates. The cross-section of the hook plate is V-shaped, and each hook plate is rotatably connected to the frame coaxially. The extending direction of the connecting plate is perpendicular to the hanging arm. A connecting rod for connecting the hook plates is provided between the hook plates, and each connecting rod is parallel to the connecting plate. Each connecting plate is fixed on the connecting plate.
[0007] Furthermore, the above-mentioned hook groove is provided with a guiding inclined surface for guiding the connecting wheel into or out of the hook groove, a pressing arc surface for pressing the connecting wheel, and an anti-disengagement surface. The pressing arc surface forms a surface contact with the connecting wheel after the connecting wheel is snapped into the hook groove, and the anti-disengagement surface forms a line contact with the connecting wheel after the connecting wheel is snapped into the hook groove.
[0008] Furthermore, the upper end surface of the above-mentioned hanging arm is provided with an installation groove, which extends from one end of the hanging arm to the other end, and the extending direction of the installation groove is parallel to the extending direction of the hanging arm. A welding copper bar is fixedly installed in the installation groove, and the extending direction of the welding copper bar is parallel to the extending direction of the installation groove. The welding copper bar is also provided with a welding groove, and the extending direction of the welding groove is parallel to the extending direction of the welding copper bar. A plurality of ventilation holes for introducing argon gas are provided in the welding groove.
[0009] Furthermore, a limiting block is also provided on the above-mentioned connecting plate. The limiting block is arranged above each connecting plate. A pipe pushing assembly for pushing and positioning the pipe on the hanging arm is provided on the working platform. The pipe pushing assembly includes a linear module fixed on the working platform, a pushing block slidably arranged on the linear module driven by the linear module, and two oppositely arranged pushing plates on the pushing block. The sliding direction of the pushing block is parallel to the extending direction of the hanging arm, and the extending direction of each pushing plate is also parallel to the extending direction of the hanging arm. A limiting groove adapted to each pushing plate is also provided at the upper end of the hanging arm. Each limiting groove is arranged on both sides of the installation groove. Each pushing plate drives the pushing block through the linear module to push the pipe to lean against the limiting block.
[0010] The utility model has positive effects: (1) The utility model supports the pipe by arranging the hanging arm on the working platform, and a hook assembly is arranged on the hanging arm. The hook cylinder drives the hook bracket to rotate, so as to drive the hook groove on the connecting plate to be hooked with each connecting wheel on the hanging arm, thus realizing the quick connection with the hanging arm and the support of the hanging arm, effectively solving the problem that the hanging arm deflects under the action of the self-weight of the pipe in the prior art, which in turn affects the support of the pipe. Through the cooperation of the hook groove on the connecting plate and the connecting wheel, the support of the suspended end of the hanging arm is effectively guaranteed, thereby ensuring the support of the pipe and the levelness of the hanging arm, and further ensuring the levelness of the pipe and the quality of subsequent welding, which is convenient and practical.
[0011] (2) In the present utility model, by setting the hook bracket as the connection of a hook plate and a connecting plate, and setting the hook plate as a V shape, a clearance space is provided for the hanging arm, preventing the hook bracket from colliding with the hanging arm during rotation, ensuring the smoothness and safety of the hook plate during rotation.
[0012] (3) In the present utility model, by setting the hook groove as a guiding inclined surface, a pressing arc surface and an anti - detachment surface, the guiding inclined surface guides the connecting wheel into or out of the hook groove, and the pressing arc surface has surface contact with the connecting wheel, effectively ensuring the stability after the connection between the connecting wheel and the hook groove. By setting the anti - detachment surface to have line contact with the connecting wheel, the connection stability is ensured, and the risk of the connecting wheel detaching from the hook groove during the support of the connecting wheel by the hook groove is reduced. Further, the firmness of the connection between the hook groove and the hanging arm is ensured, and the risk of deflection change of the hanging arm is further reduced, which is convenient and practical.
[0013] (4) In the present utility model, by setting an installation groove on the hanging arm and arranging a welding copper bar in the installation groove to facilitate the welding of the pipe, a welding groove is set on the welding copper bar, and an air vent is set in the welding groove to introduce argon gas to protect the welding of the pipe, thus ensuring the safety during the welding of the pipe, which is safe and practical.
[0014] (5) In the present utility model, by setting a limit stop block on the connecting plate, the pipe is pushed by the driving of the linear module on the push block, the driving of the push block on the push plate, and the sliding fit between the push plate and the limit groove to press against the limit stop block, thus ensuring the preliminary positioning of the pipe before welding, and at the same time setting a basic position for the subsequent welding of the pipe, thereby ensuring the accuracy of the pipe welding, which is efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments in conjunction with the drawings, where
[0016] Figure 1 is the overall structural schematic diagram of the hanging arm and hook mechanism for pipe welding in the present utility model;
[0017] Figure 2 is the overall structural schematic diagram of the hanging arm assembly in the present utility model;
[0018] Figure 3 is the side view of the overall structure of the connecting plate in the present utility model;
[0019] Figure 4 is the overall structural schematic diagram of the pipe - pushing assembly in the present utility model;
[0020] Figure 5 is the overall structural schematic diagram of the hanging arm in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] See Figures 1 to 5 , the utility model has a working platform 1 and a frame 2 fixed on the working platform 1; an installation seat 11 and a hanging arm 5 which can extend into the pipe and support the pipe are arranged on the working platform 1. One end of the hanging arm 5 is fixed on the installation seat 11, and the other end of the hanging arm 5 is suspended. A hook assembly 3 which can support the suspended end of the hanging arm 5 is arranged on the frame 2. The hook assembly 3 includes a hook cylinder 31 arranged on the frame 2, a hook bracket 32 rotatably connected to the frame 2, and connecting plates 33 oppositely arranged on the hook bracket 32. One end of the hook cylinder 31 is rotatably connected to the frame 2, and the telescopic end of the hook cylinder 31 is rotatably connected to the hook bracket 32. The rotation axis of the hook bracket 32 is perpendicular to the extension direction of the hanging arm 5. Connecting wheels 53 are arranged on both sides of the suspended end of the hanging arm 5. Each connecting wheel 53 is rotatably connected to the hanging arm 5, and the rotation axis of each connecting wheel 53 is parallel to the rotation axis of the hook bracket 32. Hook grooves 36 into which corresponding connecting blocks can be inserted are arranged on each connecting plate 33. Each connecting plate 33 on the hook bracket 32 supports the suspended end of the hanging arm 5 through the driving of the hook bracket 32 by the hook cylinder 31, the rotational connection between the hook bracket 32 and the frame 2, and the insertion fit between the hook groove 36 and the connecting block.
[0022] The hook bracket 32 includes two oppositely arranged hook plates 321 and a connecting plate 322 connecting the two hook plates 321. The cross section of the hook plate 321 is V-shaped, and each hook plate 321 is rotatably connected to the frame 2 coaxially. The extension direction of the connecting plate 322 is perpendicular to the hanging arm 5. Connecting rods for connecting the hook plates 321 are arranged between the hook plates 321. Each connecting rod is parallel to the connecting plate 322, and each connecting plate 33 is fixed on the connecting plate 322.
[0023] The hook groove 36 is provided with a guiding inclined surface 361 for guiding the connecting wheel 53 into or out of the hook groove 36, a pressing arc surface 362 for pressing the connecting wheel 53, and an anti-detachment surface 363. The pressing arc surface 362 is in surface contact with the connecting wheel 53 after the connecting wheel 53 is inserted into the hook groove 36, and the anti-detachment surface 363 is in line contact with the connecting wheel 53 after the connecting wheel 53 is inserted into the hook groove 36.
[0024] An installation groove 51 is arranged on the upper end surface of the hanging arm 5. The installation groove 51 extends from one end of the hanging arm 5 to the other end of the hanging arm 5, and the extension direction of the installation groove 51 is parallel to the extension direction of the hanging arm 5. A welding copper bar 6 is fixedly installed in the installation groove 51. The extension direction of the welding copper bar 6 is parallel to the extension direction of the installation groove 51. A welding groove 61 is further arranged on the welding copper bar 6. The extension direction of the welding groove 61 is parallel to the extension direction of the welding copper bar 6. A plurality of ventilation holes through which argon can be introduced are arranged in the welding groove 61.
[0025] A limit stop 34 is further provided on the connecting plate 322. The limit stop 34 is arranged above each connecting plate 33. A pipe pushing assembly 4 for pushing and positioning the pipe on the hanging arm 5 is provided on the working platform 1. The pipe pushing assembly 4 includes a pipe pushing bracket 41 fixed on the working platform 1, a linear module 42 fixed on the pipe pushing bracket 41, a push block 43 slidably arranged on the linear module 42 under the drive of the linear module 42, and two push plates 44 oppositely arranged on the push block 43. The sliding direction of the push block 43 is parallel to the extending direction of the hanging arm 5, and the extending direction of each push plate 44 is also parallel to the extending direction of the hanging arm 5. A limit groove 52 adapted to each push plate 44 is further provided at the upper end of the hanging arm 5. Each limit groove 52 is arranged on both sides of the mounting groove 51. Each push plate 44 pushes the pipe to lean against the limit stop 34 through the drive of the linear module 42 on the push block 43.
[0026] The working principle of the present utility model: In the process of using the present utility model, in the previous process, the pipe is transferred to the hanging arm 5. After the pipe is transferred to the hanging wall, the hook cylinder 31 drives the hook bracket 32 to rotate. The hook grooves 36 on each connecting plate 33 on the hook bracket 32 are connected with the connecting wheels 53 on the hanging arm 5. In the process of connection, each connecting wheel 53 is first introduced into the hook groove 36 through each guiding inclined surface 361, and then each connecting wheel 53 is in surface contact with the pressing arc surface 362, thereby ensuring the comprehensiveness of the connection between the connecting wheel 53 and the hook groove 36. And through the line contact between the connecting wheel 53 and the anti-disengagement surface 363, it is avoided that the connecting wheel 53 is disengaged from the hook groove 36 during the pressing process with the hook groove 36, effectively ensuring the firmness of the connection between the hook groove 36 and the connecting wheel 53 on the hanging arm 5. After the hook groove 36 on the connecting plate 33 is connected with the connecting wheel 53, the linear module 42 drives the push block 43, and the push block 43 drives each push plate 44 to push the end surface of the pipe. And during the movement of the push plate 44, the cooperation between the push plate 44 and the limit groove 52 avoids the deformation of the push plate 44 during the pipe pushing process, ensuring the stability of the push plate 44 during the pipe pushing process. The pipe is pushed by each push plate 44 to lean against the limit stop 34. On the one hand, it gives the initial position for the welding torch during the later welding process of the pipe. On the other hand, different pipes have the same initial position during welding. The cooperation between the hook groove 36 on the connecting plate 33 and the connecting wheel 53, on the one hand, effectively ensures the stability and levelness of the hanging arm 5, effectively solving the problem of the deflection change of the hanging arm 5 under the action of the self-weight of the pipe in the prior art. On the other hand, the cooperation between the pipe pushing assembly 4 and the limit stop 34 also lays a foundation for the accuracy and precision of the welding of the welds on the later pipes, which is efficient and convenient.
[0027] The specific embodiments described above further elaborate on the purpose, technical solution, and beneficial effects of the present utility model. It should be understood that the above description is only for the specific embodiments of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. The hanging arm and hook mechanism for pipe welding has a working platform and a frame fixed on the working platform; it is characterized in that: An installation base and a hanging arm are provided on the working platform. The hanging arm can extend into the pipe and support the pipe. One end of the hanging arm is fixed to the installation base, and the other end of the hanging arm is suspended. A hook assembly for supporting the suspended end of the hanging arm is provided on the frame. The hook assembly includes a hook cylinder provided on the frame, a hook bracket rotatably connected to the frame, and connecting plates oppositely arranged on the hook bracket. One end of the hook cylinder is rotatably connected to the frame, and the telescopic end of the hook cylinder is rotatably connected to the hook bracket. The rotation axis of the hook bracket is perpendicular to the extension direction of the hanging arm. Connecting wheels are provided on both sides of the suspended end of the hanging arm. Each connecting wheel is rotatably connected to the hanging arm, and the rotation axis of each connecting wheel is parallel to the rotation axis of the hook bracket. A hook groove for the corresponding connecting block to be inserted into is provided on each connecting plate. Each connecting plate on the hook bracket supports the suspended end of the hanging arm through the driving of the hook bracket by the hook cylinder, the rotational connection between the hook bracket and the frame, and the insertion fit between the hook groove and the connecting block.
2. The hanging arm and hook mechanism for pipe welding according to claim 1, characterized in that: The hook bracket includes two oppositely arranged hook plates and a connecting plate connecting the two hook plates. The cross-section of the hook plate is V-shaped, and each hook plate is rotatably connected to the frame coaxially. The extension direction of the connecting plate is perpendicular to the hanging arm. A connecting rod for connecting the hook plates is provided between the hook plates. Each connecting rod is parallel to the connecting plate, and each connecting plate is fixed to the connecting plate.
3. The hanging arm and hook mechanism for pipe welding according to claim 2, characterized in that: The hook groove is provided with a guiding inclined surface for guiding the connecting wheel into or out of the hook groove, a pressing arc surface for pressing against the connecting wheel, and an anti-disengagement surface. The pressing arc surface is in surface contact with the connecting wheel after the connecting wheel is inserted into the hook groove, and the anti-disengagement surface is in line contact with the connecting wheel after the connecting wheel is inserted into the hook groove.
4. The hanging arm and hook mechanism for pipe welding according to claim 3, characterized in that: An installation groove is provided on the upper end surface of the hanging arm. The installation groove extends from one end of the hanging arm to the other end, and the extension direction of the installation groove is parallel to the extension direction of the hanging arm. A welding copper bar is fixedly installed in the installation groove. The extension direction of the welding copper bar is parallel to the extension direction of the installation groove. A welding groove is further provided on the welding copper bar. The extension direction of the welding groove is parallel to the extension direction of the welding copper bar. A plurality of ventilation holes for introducing argon are provided in the welding groove.
5. The hanging arm hook mechanism for pipe welding according to claim 4, characterized in that: A limiting stop block is further provided on the connecting plate. The limiting stop block is arranged above each connecting plate. A pipe pushing assembly for pushing and positioning the pipe on the hanging arm is provided on the working platform. The pipe pushing assembly includes a linear module fixed to the working platform, a pushing block slidably arranged on the linear module under the drive of the linear module, and two pushing plates oppositely arranged on the pushing block. The sliding direction of the pushing block is parallel to the extension direction of the hanging arm. The extension direction of each pushing plate is also parallel to the extension direction of the hanging arm. A limiting groove adapted to each pushing plate is further provided at the upper end of the hanging arm. Each limiting groove is arranged on both sides of the installation groove. Each pushing plate pushes the pipe to lean against the limiting stop block through the drive of the linear module on the pushing block.