Pipe welding wind shield

Abstract

The utility model relates to oil gas transmission technical field discloses a pipeline welding windproof device, including the casing, the periphery inner wall of casing all rotatoryly connected with hydraulic cylinder, the periphery inner wall of casing all rotatoryly connected with the pull plate, the one side rotatoryly connected with the push plate of pull plate away from the casing, the other side fixed connection of push plate has the bearing block, the inner wall rotatoryly connected with the roll of bearing block, the periphery inner wall of casing all rotatoryly connected with the limit plate, the both sides of casing all fixed connection has the clamping component. In the utility model, through starting hydraulic cylinder, its strong telescopic thrust will drive pull plate to do circular arc motion around the connecting point with device main part, and pull plate as the transmission hub of force drives push plate to rotate synchronously, in this process, limit plate plays the key role, through the rotation angle of limiting push plate, ensures that its movement track is controllable.

Description

Technical Field

[0001] This utility model relates to the field of oil and gas transportation technology, and in particular to a windproof device for pipeline welding. Background Technology

[0002] In the fields of petrochemicals and municipal engineering, pipeline welding operations have long faced the challenges of complex environments. Among them, wind interference has a particularly prominent impact on welding quality. When the ambient wind speed exceeds 2 m / s, the stability of the molten pool formed during the welding process will drop sharply due to airflow disturbance, making it very easy to produce welding defects such as porosity, slag inclusion, and lack of fusion. This not only significantly reduces the mechanical strength and corrosion resistance of the weld, but may also create safety hazards such as leakage and bursting in the pipeline system. Especially in open-air construction scenarios, the uncertainty of natural wind exposes the shortcomings of traditional protective measures (such as canvas enclosures and simple windproof sheds) such as poor sealing, weak adaptability, and single function, making it difficult to meet the requirements of modern engineering for high-precision and high-quality welding. With the large-scale advancement of large-scale projects such as long-distance oil and gas pipelines and deep-sea subsea pipelines, welding processes have placed higher demands on the reliability, intelligence, and convenience of windproof technology. As a result, windproof devices for pipeline welding have emerged.

[0003] The pipe welding windproof device achieves wind protection and welding assistance through physical barrier, airflow control and functional integration. The fully enclosed or semi-enclosed cover is made of weather-resistant materials such as stainless steel and flame-retardant canvas. With the help of elastic sealing strips, counterweights or magnetic devices, it fits tightly against the pipe surface and isolates the external wind from the interference of the molten pool. In terms of airflow management, the operation auxiliary structure is equipped with sealing rubber rings for the operation hole to facilitate welding operations. The transparent observation window facilitates real-time monitoring of the weld. The intelligent device integrates wind speed, temperature and humidity sensors, and automatically alarms or exhausts when the levels exceed the limits. The multi-structure collaboration creates a low wind speed, low smoke and high visibility environment to improve welding quality and efficiency.

[0004] Current windproof devices for pipeline welding provide crucial protection for welding operations in windy environments through physical barriers and functional integration. They significantly reduce the interference of wind on weld quality, improve construction safety and efficiency, and are of great significance to projects such as oil and gas transportation and municipal pipeline networks. However, in dynamic construction scenarios, existing devices have significant drawbacks. In long-distance pipelines, urban pipeline networks, and other operations that require frequent replacement of welding nodes, traditional windproof devices are bulky and have complex fixing methods, resulting in time-consuming and labor-intensive relocation. A single node replacement requires the cooperation of 2 to 4 people, which takes a long time and significantly extends the overall operation time. In complex terrain, mechanical assistance is even more necessary, which affects the progress and increases costs. Therefore, a windproof device for pipeline welding is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a windproof device for pipe welding, which aims to improve the time-consuming and labor-intensive problem of relocation in the high-frequency replacement of welding nodes in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A pipe welding windproof device includes a housing, with hydraulic cylinders rotatably connected to the inner walls of the housing, pull plates rotatably connected to the inner walls of the housing, a push plate rotatably connected to the pull plate on the side away from the housing, a support block fixedly connected to the other side of the push plate, rollers rotatably connected to the inner wall of the support block, limit plates rotatably connected to the inner walls of the housing, and clamping assemblies fixedly connected to both sides of the housing.

[0008] As a further description of the above technical solution:

[0009] The clamping assembly includes a motor, the outer wall of which is fixedly connected to the inner wall of the housing. A drive wheel is fixedly connected to the drive end of the motor, and driven wheels are rotatably connected to both sides of the housing. The drive wheel and the driven wheels are coupled together by a belt. Two fixing blocks are fixedly connected to the outer wall of the belt, and clamping plates are fixedly connected to the bottom of the two fixing blocks.

[0010] As a further description of the above technical solution:

[0011] One side of the hydraulic cylinder is rotatably connected to one side of the pull plate, and one side of the limiting plate is rotatably connected to one side of the push plate.

[0012] As a further description of the above technical solution:

[0013] The outer wall of the support block is in contact with the inner wall of the shell, and the cross-sectional shape of the support block is U-shaped;

[0014] As a further description of the above technical solution:

[0015] Two limiting grooves are provided on both sides of the housing, and a limiting block is fixedly connected to one side of the clamping plate;

[0016] As a further description of the above technical solution:

[0017] The two drive wheels are rotatably connected to the inner wall of the housing on their adjacent sides, and one side of the clamping plate is in contact with one side of the housing;

[0018] As a further description of the above technical solution:

[0019] The two clamping plates are in contact on their adjacent sides, and one side of the fixing block is in contact with one side of the housing;

[0020] As a further description of the above technical solution:

[0021] One side of the clamping plate is arc-shaped, and the outer wall of the limiting block is slidably connected to the inner wall of the limiting groove.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by activating the hydraulic cylinder, its powerful telescopic thrust drives the pull plate to move in an arc around the connection point with the main body of the device. The pull plate acts as the force transmission hub, driving the push plate to rotate synchronously. During this process, the limiting plate plays a key role, limiting the rotation angle of the push plate to ensure that its movement trajectory is controllable and to avoid structural instability or jamming due to excessive rotation. As the push plate rotates, it drives the bearing block to move forward, causing the rollers on the inner wall of the bearing block to gradually contact the ground. At the same time, the main body of the device is slowly lifted until the bottom of the device is completely off the ground. At this point, the gravity support point of the entire device is transferred from the bottom to the rollers. With the help of the rolling characteristics of the rollers, the operator can push and apply force to push the device to slide along the ground, which significantly improves construction efficiency and greatly shortens the overall operation time.

[0024] 2. In this utility model, when encountering wind interference during outdoor pipe welding operations, the operator places the pipe to be welded in the arc groove of the clamping plate, then turns on the motor. The motor outputs a strong and stable driving force, driving the drive wheel to begin high-speed circular motion. The drive wheel and the driven wheel cooperate to form a stable transmission system. The circular motion of the drive wheel is transmitted to the driven wheel through the belt, driving the belt to perform periodic cyclical motion. During this process, the fixing block is firmly connected to the outer wall of the belt and moves with the belt. At the same time, the limiting block and the limiting groove are tightly engaged, providing precise guidance and limiting for the movement of the fixing block. Under the coordinated operation of this series of structures, the two clamping plates on both sides of the device are connected to the belt through the fixing block, and move towards or away from each other with the movement of the belt. When the two clamping plates move towards each other, they can quickly and tightly wrap around the pipe, firmly fixing the pipe with uniform clamping force, effectively preventing the pipe from shaking due to wind or operation during welding, providing stable and reliable welding conditions for the workers, and significantly improving the efficiency of welding operations. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a pipe welding windproof device proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the limiting groove of a pipe welding windproof device proposed in this utility model;

[0027] Figure 3This is a schematic diagram of the structure of the limiting plate of the pipe welding windproof device proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the fixing block of a pipe welding windproof device proposed in this utility model.

[0029] Legend:

[0030] 1. Housing; 2. Motor; 3. Drive wheel; 4. Driven wheel; 5. Belt; 6. Fixing block; 7. Clamping plate; 8. Hydraulic cylinder; 9. Pull plate; 10. Limiting plate; 11. Push plate; 12. Support block; 13. Roller; 14. Limiting groove; 15. Limiting block. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1 to 3This utility model provides an embodiment of a pipe welding windproof device, comprising a housing 1, which serves as the main frame of the entire device and effectively resists the interference of external wind on the welding area. Hydraulic cylinders 8 are rotatably connected to the inner walls of the housing 1 on all four sides. The hydraulic cylinders 8 generate extension and retraction thrust through hydraulic drive, providing core power support for the device's movement function and allowing flexible control of the device's lifting and lowering. Pull plates 9 are rotatably connected to the inner walls of the housing 1 on all four sides. A push plate 11 is rotatably connected to the side of the pull plate 9 away from the housing 1, and a support block 12 is fixedly connected to the other side of the push plate 11. The support block 12 provides support, and rollers 13 are rotatably connected to the inner wall of the support block 12. The rollers 13 replace sliding friction with rolling friction, significantly reducing the resistance during device movement and allowing the device to move easily in different ground environments. Limit plates 10 are rotatably connected to the inner walls of the housing 1 on all four sides. Clamping assemblies are fixedly connected to both sides of the housing 1. The clamping assemblies are the key part for quickly and firmly fixing the device to the pipe. The pipe is fixed in the welding position to facilitate subsequent welding operations. The clamping assembly includes a motor 2, which serves as the power source for the clamping assembly. Through stable electric drive, it provides continuous and strong power for the entire clamping process. The outer wall of the motor 2 is fixedly connected to the inner wall of the housing 1 to ensure that the motor 2 is installed firmly. The drive end of the motor 2 is fixedly connected to a drive wheel 3, which performs circular motion under the drive of the motor 2. Driven wheels 4 are rotatably connected to both sides of the housing 1. The drive wheel 3 and the driven wheel 4 are coupled together by a belt 5. The driven wheel 4 cooperates with the drive wheel 3 to assist the belt 5 in completing the transmission process, ensuring the smoothness and continuity of the belt 5 transmission. Two fixing blocks 6 are fixedly connected to the outer wall of the belt 5. The bottom of each fixing block 6 is fixedly connected to a clamping plate 7. The fixing blocks 6 are used to connect the belt 5 and the clamping plate 7. The two fixing blocks 6 are fixed in different positions on the belt 5, so that the clamping plate 7 can move with the movement of the belt 5, thereby realizing the clamping and releasing action of the pipe.

[0033] Reference Figures 2 to 4One side of the hydraulic cylinder 8 is rotatably connected to one side of the pull plate 9, allowing the extension and retraction of the hydraulic cylinder 8 to smoothly drive the pull plate 9 to perform arc motion, achieving effective power conversion and transmission. One side of the limiting plate 10 is rotatably connected to one side of the push plate 11. The rotatable connection between the limiting plate 10 and the push plate 11 ensures that the push plate 11 can rotate flexibly while limiting its rotation range, allowing the push plate 11 to move within a specified angle, ensuring the safety and stability of the device operation. The outer wall of the bearing block 12 contacts the inner wall of the housing 1, providing a certain limiting and support function for the bearing block 12, ensuring that the bearing block 12 will not shift when subjected to force, and ensuring the normal operation of the roller 13. The cross-sectional shape of the bearing block 12 is U-shaped. The U-shaped design can better accommodate and fix the roller 13, preventing the roller 13 from detaching from the bearing block 12 during movement. Two limiting grooves 14 are opened on both sides of the housing 1. A limiting block 15 is fixedly connected to one side of the clamping plate 7. The adjacent sides of the drive wheel 3 are rotatably connected to the inner wall of the housing 1, enabling the drive wheel 3 to rotate stably and ensuring the stability of power transmission. One side of the clamping plate 7 is in contact with one side of the housing 1, which enhances the structural stability of the clamping plate 7. The adjacent sides of the two clamping plates 7 are in contact. When the two clamping plates 7 move towards each other and make contact, they can tightly wrap the pipe and achieve a firm clamping of the pipe, providing stable working conditions for welding operations. One side of the fixing block 6 is in contact with one side of the housing 1. One side of the clamping plate 7 is arc-shaped. The arc shape conforms to the outer contour of the pipe, which can evenly distribute the clamping force and avoid damage to the pipe surface, while enhancing the tightness of the clamping. The outer wall of the limiting block 15 is slidably connected to the inner wall of the limiting groove 14. This sliding connection method allows the limiting block 15 to slide freely in the limiting groove 14, while restricting the movement direction of the clamping plate 7, ensuring that the clamping plate 7 completes the clamping and releasing actions smoothly and accurately.

[0034] Working principle: When performing pipe welding outdoors and it is windy, place the pipe to be welded on the arc of the clamping plate 7. Turn on the motor 2, and the driving force of the motor 2 will drive the drive wheel 3 to make a circular motion. Due to the presence of the drive wheel 3 and the driven wheel 4, the circular motion of the drive wheel 3 will drive the belt 5 to make a periodic motion. Due to the presence of the fixing block 6 and the cooperation of the limiting block 15 and the limiting groove 14, the two clamping plates 7 on one side of the housing 1 will move towards or away from each other through the fixing block 6 and the movement of the belt 5, so that the two clamping plates 7 can hold the pipe to be welded. The welded pipes are clamped to facilitate welding operations. When a welding node is completed and the entire device needs to be moved to the next work node, the hydraulic cylinder 8 is activated, causing the pull plate 9 to move in an arc. The pull plate 9 drives the push plate 11 to rotate. Due to the cooperation of the limit plate 10, the push plate 11 can firmly change its angle, thereby pushing the support block 12 to drive the roller 13 to contact the ground until the bottom of the housing 1 is lifted off the ground. This improves the problem of the device needing to move frequently during operation and significantly shortens the overall operation time.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A windproof device for pipe welding, comprising a housing (1), characterized in that: Hydraulic cylinders (8) are rotatably connected to the inner walls of the housing (1). Pull plates (9) are rotatably connected to the inner walls of the housing (1). A push plate (11) is rotatably connected to the side of the pull plate (9) away from the housing (1). A support block (12) is fixedly connected to the other side of the push plate (11). A roller (13) is rotatably connected to the inner wall of the support block (12). Limiting plates (10) are rotatably connected to the inner walls of the housing (1). Clamping assemblies are fixedly connected to both sides of the housing (1).

2. The pipe welding windproof device according to claim 1, characterized in that: The clamping assembly includes a motor (2), the outer wall of which is fixedly connected to the inner wall of the housing (1), the driving end of the motor (2) is fixedly connected to a drive wheel (3), and driven wheels (4) are rotatably connected to both sides of the housing (1). The drive wheel (3) and the driven wheel (4) are coupled together by a belt (5). Two fixing blocks (6) are fixedly connected to the outer wall of the belt (5), and clamping plates (7) are fixedly connected to the bottom of the two fixing blocks (6).

3. The pipe welding windproof device according to claim 1, characterized in that: One side of the hydraulic cylinder (8) is rotatably connected to one side of the pull plate (9), and one side of the limiting plate (10) is rotatably connected to one side of the push plate (11).

4. A windproof device for pipe welding according to claim 1, characterized in that: The outer wall of the support block (12) is in contact with the inner wall of the shell (1), and the cross-sectional shape of the support block (12) is U-shaped.

5. A windproof device for pipe welding according to claim 2, characterized in that: Two limiting grooves (14) are provided on both sides of the housing (1), and a limiting block (15) is fixedly connected to one side of the clamping plate (7).

6. A windproof device for pipe welding according to claim 2, characterized in that: The two drive wheels (3) are rotatably connected to the inner wall of the housing (1) on their adjacent sides, and one side of the clamping plate (7) is in contact with one side of the housing (1).

7. A windproof device for pipe welding according to claim 2, characterized in that: The two clamping plates (7) are in contact with each other on their adjacent sides, and one side of the fixing block (6) is in contact with one side of the housing (1).

8. A windproof device for pipe welding according to claim 5, characterized in that: One side of the clamping plate (7) is arc-shaped, and the outer wall of the limiting block (15) is slidably connected to the inner wall of the limiting groove (14).

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