Steel pipe vertical welding clamping equipment

Abstract

The upper portion of a first vertical plate is matched with an adjusting screw rod through an L-shaped supporting plate and a top plate, a first pressing plate is arranged at the bottom end of the adjusting screw rod, the first vertical plate and a second vertical plate are arranged at the two ends of a bottom plate, and a hydraulic cylinder is arranged at the end, away from the first vertical plate, of the second vertical plate. A hydraulic cylinder is arranged on the second vertical plate, a piston rod of the hydraulic cylinder penetrates through the second vertical plate and is connected with a movable frame, a roller is arranged at the top end of the second vertical plate through a supporting frame, a U-shaped supporting plate is arranged on the top of the movable frame, and the U-shaped supporting plate is matched with a second pressing plate through a fixing screw rod. The two steel pipes are pressed through the first pressing plate and the second pressing plate correspondingly, on one hand, the welding stability of the two steel pipes is guaranteed, on the other hand, after the two steel pipes are clamped through the second pressing plate, the corresponding steel pipes move through supporting of the U-shaped supporting plate and the roller, the steel pipes are not prone to displacement, convenience is improved, and the operation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe clamping equipment, in particular to a vertical welding clamping device for steel pipes. Background Technique

[0002] A steel pipe has a hollow cross-section, and its length is much greater than the diameter or circumference of the steel. A steel pipe is a single pipe, but in actual use, multiple steel pipes can be welded to form a new overall structure.

[0003] Currently, when two steel pipes are vertically welded, the generally used clamping device is to first bring the two steel pipes into contact, and then process the clamping of the two steel pipes. In this way, during clamping, the steel pipes are prone to move, and the operation difficulty is relatively high. Therefore, there is an urgent need for an improved technology to solve this problem existing in the prior art. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a vertical welding clamping device for steel pipes. One steel pipe is supported inside an L-shaped support plate, and the other steel pipe is respectively supported on a U-shaped support plate and a roller. The moving frame drives the U-shaped support plate to move horizontally along the track through the cooperation of a hydraulic cylinder. The two steel pipes are respectively pressed by a first pressing plate and a second pressing plate. On the one hand, it ensures the stability of the two steel pipes during welding. On the other hand, after the second pressing plate clamps first, and then through the support of the U-shaped support plate and the roller, the corresponding steel pipe is moved. The steel pipe is not easily displaced, the convenience is improved, and the operation difficulty is reduced, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A vertical welding clamping device for steel pipes, comprising a support frame, a moving frame and a hydraulic cylinder;

[0006] The support frame includes a first vertical plate, an L-shaped support plate, a top plate, a bottom plate, a second vertical plate, a support frame and a roller. The upper surface of the first vertical plate is provided with an L-shaped support plate. The top of the L-shaped support plate is provided with a top plate. The top plate is provided with a plurality of through holes, and internal thread sleeves are arranged at each through hole. The internal thread sleeves cooperate with adjusting screws. The bottom end of the adjusting screw is provided with a first pressing plate. The bottom of the first vertical plate is connected to one end of the bottom plate. The upper surface of the bottom plate is provided with two guide rails. The upper surface of the bottom plate at the end far from the first vertical plate is provided with a second vertical plate. The end of the second vertical plate far from the first vertical plate is provided with a hydraulic cylinder. The piston rod of the hydraulic cylinder passes through the second vertical plate and is connected to the moving frame. The top of the second vertical plate is provided with a support frame, and a plurality of rollers are arranged inside the support frame;

[0007] A slide plate is provided at the bottom of the moving frame. The slide plate is provided with a guide groove and is slidably engaged with a guide rail. A U-shaped support plate is provided at the top of the moving frame. Two fixing screws are provided on each side of the U-shaped support plate. The fixing screws pass through the second pressing plate and are engaged with locking nuts. A handle is further provided on the upper surface of the second pressing plate.

[0008] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, the upper surface of the bottom of the L-shaped support plate, the upper surface of the bottom of the U-shaped support plate, and the top of the roller are located on the same horizontal plane.

[0009] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, first reinforcing plates are provided on both sides of the first vertical plate, and the bottom of the first reinforcing plates is connected to the bottom plate.

[0010] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, second reinforcing plates are provided on both sides of one end of the second vertical plate close to the first vertical plate, and the bottom of the second reinforcing plates is connected to the bottom plate.

[0011] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, third reinforcing plates are provided on both sides of one end of the second vertical plate far from the first vertical plate, and the top ends of the third reinforcing plates are connected to the support frame.

[0012] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, fourth reinforcing plates are provided on both sides of the top plate, and the sides of the fourth reinforcing plates are connected to the L-shaped support plate.

[0013] Preferably, in a steel pipe vertical welding clamping device provided by the present invention, a hand wheel is installed at the top end of the adjusting screw through a bolt.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] One steel pipe is supported inside the L-shaped support plate, and the other steel pipe is respectively supported on the U-shaped support plate and the roller. The moving frame drives the U-shaped support plate to move horizontally along the track through the cooperation of the hydraulic cylinder. The two steel pipes are respectively pressed by the first pressing plate and the second pressing plate. On the one hand, the stability of the two steel pipes during welding is ensured. On the other hand, after being clamped by the second pressing plate first, and then through the support of the U-shaped support plate and the roller, the corresponding steel pipe is moved. The steel pipe is not easily displaced, the convenience is improved, and the operation difficulty is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic side view structure diagram of the present invention;

[0017] Figure 2 It is a schematic top view structure diagram of the present invention;

[0018] Figure 3 It is a schematic diagram of the U-shaped support plate structure.

[0019] In the figure: the first vertical plate 1, the L-shaped support plate 2, the top plate 3, the bottom plate 4, the second vertical plate 5, the support frame 6, the roller 7, the internal thread sleeve 8, the adjusting screw 9, the first pressing plate 10, the hydraulic cylinder 11, the moving frame 12, the guide rail 13, the sliding plate 14, the U-shaped support plate 15, the fixing screw 16, the second pressing plate 17, the locking nut 18, the handle 19, the first reinforcing plate 20, the second reinforcing plate 21, the third reinforcing plate 22, the fourth reinforcing plate 23, the hand wheel 24. Specific implementation mode

[0020] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0021] It should be noted that in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention 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 cannot be understood as a limitation to the present invention.

[0022] Please refer to Figures 1-3 , the present invention provides a technical solution: a vertical welding clamping device for steel pipes, including a support frame, a moving frame 12 and a hydraulic cylinder 11;

[0023] The support frame includes a first vertical plate 1, an L-shaped support plate 2, a top plate 3, a bottom plate 4, a second vertical plate 5, a support frame 6 and a roller 7. An L-shaped support plate 2 is arranged on the upper surface of the first vertical plate 1. A top plate 3 is arranged at the top end of the L-shaped support plate 2. Fourth reinforcing plates 23 are arranged on both sides of the top plate 3. The side of the fourth reinforcing plate 23 is connected to the L-shaped support plate 2 to ensure the connection strength between the top plate 3 and the L-shaped support plate 2 through the fourth reinforcing plate 23. The top plate 3 is provided with a number of through holes and internal thread sleeves 8 are arranged at each through hole. The internal thread sleeve 8 cooperates with an adjusting screw 9. The top end of the adjusting screw 9 is installed with a hand wheel 24 through a bolt to facilitate the rotation of the adjusting screw 9 and is convenient for operation. The bottom end of the adjusting screw 9 is provided with a first pressing plate 10. One end of the bottom of the first vertical plate 1 is connected to the bottom plate 4. First reinforcing plates 20 are arranged on both sides of the first vertical plate 1. The bottom of the first reinforcing plate 20 is connected to the bottom plate 4 to ensure the structural strength of the first vertical plate 1 through the first reinforcing plate 20. Two guide rails 13 are arranged on the upper surface of the bottom plate 4. A second vertical plate 5 is arranged on the upper surface of the bottom plate 4 at the end far from the first vertical plate 1. Second reinforcing plates 21 are arranged on both sides of the second vertical plate 5 close to the first vertical plate 1. The bottom of the second reinforcing plate 21 is connected to the bottom plate 4 to ensure the structural strength of the second vertical plate 5 through the second reinforcing plate 21. A hydraulic cylinder 11 is arranged at the end of the second vertical plate 5 far from the first vertical plate 1. The piston rod of the hydraulic cylinder 11 passes through the second vertical plate 5 and is connected to a moving frame 12. A support frame 6 is arranged at the top end of the second vertical plate 5. A number of rollers 7 are arranged inside the support frame 6. Third reinforcing plates 22 are arranged on both sides of the second vertical plate 5 at the end far from the first vertical plate 1. The top of the third reinforcing plate 22 is connected to the support frame 6 to ensure the connection strength between the support frame 6 and the second vertical plate 5 through the third reinforcing plate 22;

[0024] A sliding plate 14 is arranged at the bottom of the moving frame 12. The sliding plate 14 is provided with a guide groove and is in sliding fit with the guide rail 13. A U-shaped support plate 15 is arranged at the top of the moving frame 12. The upper surface of the bottom of the L-shaped support plate 2, the upper surface of the bottom of the U-shaped support plate 15 and the top of the roller 7 are located on the same horizontal plane to ensure that the two steel pipes are at the same horizontal height. Two fixing screws 16 are arranged on each side of the U-shaped support plate 15. The fixing screw 16 passes through a second pressing plate 17 and cooperates with a locking nut 18. A handle 19 is also arranged on the upper surface of the second pressing plate 17.

[0025] Installation method and working principle: First, connect the bottom end of the moving frame 12 to the guide rail 13, then install the guide rail 13 on the upper surface of the bottom plate 4 through bolts, then install the hydraulic cylinder 11 at the outer end of the second vertical plate 5, and then connect the piston rod of the hydraulic cylinder 11 to the moving frame 12 to complete the installation. When in use, place one steel pipe inside the L-shaped support plate 2, then rotate the adjusting screw 9 and make the first pressing plate 10 press on the upper surface of the steel pipe to complete the fixation of the steel pipe. Then place another steel pipe inside the U-shaped support plate 15, with the other end supported on the roller 7. Match the second pressing plate 17 with the fixing screw 16 respectively, then screw the locking nut 18 onto the fixing screw 16 and make the second pressing plate 17 press on the steel pipe supported by the U-shaped support plate 15. Then, push the moving frame 12 along the guide rail 13 towards the first vertical plate 1 through the cylinder push, so that the two steel pipes are in vertical contact. Finally, weld the two steel pipes at the connection to complete the welding of the two steel pipes. After welding is completed, flip the adjusting screw 9, lift the first pressing plate 10, remove the locking nut 18, and lift the second pressing plate 17, then take out the two welded steel pipes. The structure of the present utility model is reasonable. One steel pipe is supported inside the L-shaped support plate 2, and the other steel pipe is respectively supported on the U-shaped support plate 15 and the roller 7. The moving frame 12 drives the U-shaped support plate 15 to move horizontally along the track through the cooperation of the hydraulic cylinder 11. The two steel pipes are respectively pressed by the first pressing plate 10 and the second pressing plate 17. On the one hand, it ensures the stability of the two steel pipes during welding. On the other hand, after being clamped by the second pressing plate 17 first, and then supported by the U-shaped support plate 15 and the roller 7, the movement of one steel pipe is realized, and the steel pipe is not easy to shift, improving convenience and reducing the operation difficulty.

[0026] Those parts not detailed in the present utility model are all well-known technologies to those skilled in the art.

[0027] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit them. Although the present utility model has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified and equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A steel pipe vertical welding clamping device, characterized in that: It comprises a supporting frame, a moving frame (12) and a hydraulic cylinder (11); The support frame comprises a first vertical plate (1), an L-shaped support plate (2), a top plate (3), a bottom plate (4), a second vertical plate (5), a support frame (6) and a roller (7); the upper surface of the first vertical plate (1) is provided with an L-shaped support plate (2); the top of the L-shaped support plate (2) is provided with a top plate (3); the top plate (3) is provided with a plurality of through holes and an internal threaded sleeve (8) is provided at each through hole; the internal threaded sleeve (8) cooperates with an adjusting screw (9); the bottom end of the adjusting screw (9) is provided with a first pressing plate (10); The bottom of the first vertical plate (1) is connected to one end of the base plate (4); two guide rails (13) are arranged on the upper surface of the base plate (4); a second vertical plate (5) is arranged on the upper surface of the base plate (4) at one end away from the first vertical plate (1); a hydraulic cylinder (11) is arranged on the end of the second vertical plate (5) away from the first vertical plate (1); a piston rod of the hydraulic cylinder (11) passes through the second vertical plate (5) and is connected to the moving frame (12); a supporting frame (6) is arranged at the top end of the second vertical plate (5); a plurality of rollers (7) are arranged inside the supporting frame (6); A slide plate (14) is provided at the bottom of the movable frame (12), the slide plate (14) is provided with a guide groove and is slidably matched with the guide rail (13), a U-shaped support plate (15) is provided at the top of the movable frame (12), two fixing screws (16) are provided on both sides of the U-shaped support plate (15), the fixing screws (16) are passed through the second pressing plate (17) and are matched with the locking nut (18), and a handle (19) is also provided on the upper surface of the second pressing plate (17).

2. A steel pipe vertical welding clamping device according to claim 1, characterized in that: The upper surface of the bottom of the L-shaped support plate (2), the upper surface of the bottom of the U-shaped support plate (15) and the top of the roller (7) are located on the same horizontal plane.

3. The steel pipe vertical welding clamping device according to claim 1 is characterized in that: First reinforcing plates (20) are arranged on both sides of the first vertical plate (1), and the bottom of the first reinforcing plate (20) is connected to the bottom plate (4).

4. The steel pipe vertical welding clamping device according to claim 1 is characterized in that: Second reinforcing plates (21) are arranged on both sides of the second vertical plate (5) close to one end of the first vertical plate (1), and the bottom of the second reinforcing plate (21) is connected to the bottom plate (4).

5. The steel pipe vertical welding clamping device according to claim 1, characterized in that: Third reinforcing plates (22) are arranged on both sides of the second vertical plate (5) away from one end of the first vertical plate (1), and the top end of the third reinforcing plate (22) is connected to the supporting frame (6).

6. The steel pipe vertical welding clamping device according to claim 1, characterized in that: Fourth reinforcing plates (23) are provided on both sides of the top plate (3), and the sides of the fourth reinforcing plates (23) are connected to the L-shaped supporting plates (2).

7. The steel pipe vertical welding clamping device according to claim 1, characterized in that: A hand wheel (24) is mounted on the top end of the adjusting screw rod (9) via a bolt.

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