Clamp for welding hydraulic pipe of engineering machinery

Abstract

The utility model provides a clamp for welding a hydraulic pipe of engineering machinery, relates to the technical field of hydraulic pipe welding, and solves the problems that a mechanism for rotating the hydraulic pipe is lacked, the operation of turning over and welding the other side of the hydraulic pipe is complicated, the working efficiency is reduced, the hydraulic pipe has certain dead weight, manual rotation is inconvenient, and the working efficiency is high. And the workload is increased. The clamp comprises a workbench and a fixing assembly, two symmetrically-distributed rotating assemblies are installed on the upper surface of the workbench, the fixing assembly is arranged on the upper surface of the workbench, a fixing hole is formed in the center of the workbench, a first air cylinder is installed in the fixing hole, a lifting plate is connected to the upper end of the first air cylinder, and two symmetrically-distributed supporting blocks are installed on the upper surface of the lifting plate. Through the arrangement of the fixing assembly, the hydraulic pipe can be fixed conveniently, through the arrangement of the rotating assembly, the hydraulic pipe can be rotated and turned over conveniently, the workload of welding personnel is reduced, operation is convenient, and the working efficiency is guaranteed.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of hydraulic pipe welding, in particular to a clamp for welding hydraulic pipes of engineering machinery. Background Art

[0002] Hydraulic pipes are made of high-quality carbon structural steel with one or more alloying elements appropriately added to improve the strength, toughness and hardenability of the steel. When welding hydraulic pipes, they need to be clamped.

[0003] Chinese patent CN215880587U discloses a welding fixture for hydraulic pipes of engineering machinery, comprising a base, a lifting support foot being installed at the lower end of the base, support plates being fixedly installed at both ends of the upper side of the base, support rods being fixedly installed at both sides of the upper end of the support plate, a lower arc-shaped plate being fixedly installed in the middle of the upper end of the support plate, a cross plate being fixedly installed at the upper end of the support rod, a bolt being screwed in the middle of the cross plate, an upper arc plate being installed at the lower end of the bolt, a hydraulic pipe being clamped and installed between the upper arc plate and the lower arc plate, a sliding lifting structure being slidably installed at the upper end of the base, and a lifting plate being installed at the upper end of the sliding lifting structure.

[0004] Since the above patent lacks a mechanism for rotating the hydraulic pipe welding, after welding one side of the hydraulic pipe, it is necessary to first release the fixation of the hydraulic pipe, and then rotate the hydraulic pipe, re-fix the hydraulic pipe, and weld the other side of the hydraulic pipe. The operation is cumbersome, which reduces work efficiency. In addition, the hydraulic pipe has a certain weight, and it is inconvenient to rotate it manually, which increases the workload. Therefore, a technical measure is proposed to solve the problem of lack of a mechanism for rotating the hydraulic pipe, and the operation of turning over the other side of the welded hydraulic pipe is cumbersome, which reduces work efficiency. In addition, the hydraulic pipe has a certain weight, and it is inconvenient to rotate it manually, which increases the workload. Utility Model Content

[0005] The purpose of the utility model is to provide a welding fixture for hydraulic pipes of engineering machinery and equipment for installing the device, so as to solve the technical problems that there is no mechanism for rotating the hydraulic pipe in the prior art, the operation of turning over the other side of the welded hydraulic pipe is cumbersome, which reduces work efficiency, and the hydraulic pipe has a certain dead weight, which makes manual rotation inconvenient and increases the workload. The many technical effects that can be produced by the preferred technical solution among the many technical solutions provided by the utility model are described in detail below.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a welding fixture for hydraulic pipes of engineering machinery, comprising a workbench and a fixed component, wherein two groups of symmetrically distributed rotating components are installed on the upper surface of the workbench, the fixed component is on the upper surface of the workbench, a fixing hole is opened at the center of the workbench, a first cylinder is installed in the fixing hole, a lifting plate is connected to the upper end of the first cylinder, and two groups of symmetrically distributed supporting blocks are installed on the upper surface of the lifting plate. Thanks to the arrangement of the rotating component, it is convenient to rotate and flip the hydraulic pipe for welding, which reduces the workload of welding personnel, is easy to operate, and ensures work efficiency.

[0008] Optionally, a controller is installed on the side of the workbench, a plurality of telescopic rods are installed on the lower surface of the workbench, and a second cylinder is installed at the center of the lower surface of the workbench. Thanks to the setting of the second cylinder, the height of the workbench can be adjusted conveniently according to the height of the welder, thereby improving practicality.

[0009] Optionally, a bottom plate is connected to the lower end of the second cylinder, and a groove is provided at the center of the support block.

[0010] Optionally, the fixing assembly includes a screw rod, the upper end of which is connected to a turntable, the lower end of which is rotatably connected to a limit plate, a clamping plate is installed at the center position of the lower surface of the limit plate, and clamping teeth are provided on the downward side of the clamping plate. Thanks to the setting of the fixing assembly, the hydraulic pipe can be easily fixed.

[0011] Optionally, the rotating assembly includes two groups of vertical plates, and the two groups of vertical plates are symmetrically installed on the upper surface of the workbench. The upper ends of the vertical plates are connected to circular plates, and the circular plates are rotatably connected to circular rings. Ring teeth are provided outside the circular rings, and two groups of limiting grooves are opened inside the circular rings.

[0012] Optionally, the rotating assembly further comprises a motor, the motor is fixedly mounted on a side of the vertical plate facing the support block, the motor is connected to a connecting rod, the connecting rod is rotatably connected to the vertical plate, the connecting rod is connected to a gear plate, and the gear plate meshes with the ring gear.

[0013] Optionally, the screw rod is adapted to the circular thread, and the limiting plate is slidably adapted to the limiting groove.

[0014] Based on the above technical solution, this embodiment can at least produce the following technical effects:

[0015] The utility model facilitates the fixation of the hydraulic pipe by setting the fixing component, and improves the friction between the clamping plate and the hydraulic pipe by setting the clamping teeth, thereby improving the fixing effect, and the clamping plate is driven to move downward by rotating the turntable, and the clamping plate drives the clamping teeth to press against the surface of the hydraulic pipe when moving downward, thereby completing the fixation of the hydraulic pipe.

[0016] By setting the rotating assembly, it is convenient to rotate and turn over the hydraulic pipe, which reduces the workload of welding personnel, is easy to operate, and ensures work efficiency. The motor is started to drive the ring to rotate, and the rotation of the ring drives the hydraulic pipe to complete the turning.

[0017] Through the arrangement of the first cylinder, the lifting plate and the support block, it is convenient to provide support for the middle position of the hydraulic pipe, thereby ensuring the welding quality. Starting the first cylinder drives the support block to move upward to drive the groove to contact the lower part of the hydraulic pipe, thereby completing the support for the welding position of the hydraulic pipe.

[0018] By setting up the second cylinder, the height of the workbench can be adjusted conveniently according to the height of the welder, thus improving practicality. Starting the second cylinder can drive the workbench to move up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the utility model in a separated state;

[0022] Figure 3 It is a schematic diagram of the connection structure between the first cylinder and the lifting plate;

[0023] Figure 4 It is a schematic diagram of the fixed component structure;

[0024] Figure 5 It is a schematic diagram of the structure of the rotating component.

[0025] In the figure, 1, base plate; 2, fixed component; 3, rotating component; 4, workbench; 5, controller; 6, fixing hole; 7, first cylinder; 8, telescopic rod; 9, second cylinder; 10, lifting plate; 11, groove; 12, support block; 201, limit plate; 202, screw rod; 203, turntable; 204, clamping plate; 205, clamping teeth; 301, vertical plate; 302, gear plate; 303, limit groove; 304, circular ring; 305, ring teeth; 306, circular plate; 307, motor; 308, connecting rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0027] like Figure 1-Figure 5 As shown: a clamp for welding hydraulic pipes of engineering machinery, including a workbench 4, a fixed component 2, two groups of symmetrically distributed rotating components 3 are installed on the upper surface of the workbench 4, the fixed component 2 is on the upper surface of the workbench 4, a fixing hole 6 is opened at the center of the workbench 4, a first cylinder 7 is installed in the fixing hole 6, the upper end of the first cylinder 7 is connected to a lifting plate 10, and two groups of symmetrically distributed supporting blocks 12 are installed on the upper surface of the lifting plate 10, a controller 5 is installed on the side of the workbench 4, a plurality of groups of telescopic rods 8 are installed on the lower surface of the workbench 4, a second cylinder 9 is installed at the center of the lower surface of the workbench 4, the lower end of the second cylinder 9 is connected to the bottom plate 1, a groove 11 is opened at the center of the supporting block 12, the fixed component 2 includes a screw 202, the upper end of the screw 202 is connected to a turntable 203, the lower end of the screw 202 is rotatably connected to a limit plate 201, and the lower surface of the limit plate 201 is provided with a groove 11. A clamping plate 204 is installed at the center position, and a clamping tooth 205 is provided on the downward side of the clamping plate 204. The rotating component 3 includes a vertical plate 301. There are two groups of vertical plates 301. The two groups of vertical plates 301 are symmetrically installed on the upper surface of the workbench 4. A circular plate 306 is connected to the upper end of the vertical plate 301. The circular plate 306 is rotatably connected to a ring 304. The outside of the ring 304 is provided with ring teeth 305. Two groups of limiting grooves 303 are provided inside the ring 304. The rotating component 3 also includes a motor 307. The motor 307 is fixedly installed on the side of the vertical plate 301 facing the support block 12. The motor 307 is connected to a connecting rod 308. The connecting rod 308 is rotatably connected to the vertical plate 301. The connecting rod 308 is connected to a gear plate 302. The gear plate 302 is meshed and matched with the ring teeth 305. The screw 202 is threadedly matched with the ring 304, and the limiting plate 201 is slidably matched with the limiting groove 303.

[0028] As an optional implementation, Example

[0029] The utility model provides a workbench 4, a fixed component 2, two groups of symmetrically distributed rotating components 3 are installed on the upper surface of the workbench 4, the fixed component 2 is on the upper surface of the workbench 4, a fixing hole 6 is opened at the center position of the workbench 4, a first cylinder 7 is installed in the fixing hole 6, a lifting plate 10 is connected to the upper end of the first cylinder 7, two groups of symmetrically distributed supporting blocks 12 are installed on the upper surface of the lifting plate 10, a controller 5 is installed on the side of the workbench 4, a plurality of groups of telescopic rods 8 are installed on the lower surface of the workbench 4, a second cylinder 9 is installed at the center position of the lower surface of the workbench 4, a bottom plate 1 is connected to the lower end of the second cylinder 9, a groove 11 is opened at the center position of the supporting block 12, the fixed component 2 includes a screw 202, a rotating disk 203 is connected to the upper end of the screw 202, a limit plate 201 is rotatably connected to the lower end of the screw 202, a clamping plate 204 is installed at the center position of the lower surface of the limit plate 201, and a clamping tooth 205 is opened on the side of the clamping plate 204 facing downward, when the hydraulic pipe is welded, the controller 5 is started The second cylinder 9 is driven to drive the workbench 4 to move upward. When the second cylinder 9 is started, it drives the telescopic rod 8 to extend and retract. When the height of the workbench 4 is adapted to the welding personnel, the second cylinder 9 is closed. Then, the two hydraulic pipes to be welded are passed through the rotating assembly 3 in turn, and the parts of the hydraulic pipes to be welded are placed in the middle of the two groups of supporting blocks 12. Then, the fixing assembly 2 is used to fix the hydraulic pipe. Specifically, the rotating turntable 203 drives the screw 202 to rotate. The rotation of the screw 202 drives the limit plate 201 to slide downward along the limit groove 303. The limit plate 201 moves downward and drives the clamping plate 204 to move downward. When the clamping plate 204 moves downward, it drives the clamping teeth 205 to press against the surface of the hydraulic pipe to complete the fixation of the hydraulic pipe. Then, the first cylinder 7 is started to drive the lifting plate 10 to move upward. The lifting plate 10 moves upward and drives the supporting block 12 to move upward. The supporting block 12 moves upward and drives the groove 11 to contact the lower part of the hydraulic pipe, thereby completing the support of the welding position of the hydraulic pipe, and then welding begins. Example

[0030] The difference between the present embodiment 2 and the embodiment 1 is that the rotating assembly 3 includes a vertical plate 301, the vertical plate 301 has two groups, the two groups of vertical plates 301 are symmetrically mounted on the upper surface of the workbench 4, the upper end of the vertical plate 301 is connected to a circular plate 306, the circular plate 306 is rotatably connected to a ring 304, the outer surface of the ring 304 is provided with a ring tooth 305, and the inner surface of the ring 304 is provided with two groups of limit grooves 303, the rotating assembly 3 also includes a motor 307, the motor 307 is fixedly mounted on the side of the vertical plate 301 facing the support block 12, the motor 307 is connected to a connecting rod 308, and the connecting rod 308 is connected to the vertical plate 301. The plate 301 is rotatably connected, the connecting rod 308 is connected to the gear plate 302, the gear plate 302 is meshed with the ring gear 305, the screw rod 202 is threadedly adapted to the ring 304, the limit plate 201 is slidably adapted to the limit groove 303, the motor 307 is started, the motor 307 starts to drive the connecting rod 308 to rotate, the connecting rod 308 rotates to drive the gear plate 302 to rotate, the gear plate 302 rotates to drive the ring gear 305 to rotate, the ring gear 305 rotates to drive the ring 304 to rotate, and the ring 304 rotates to drive the hydraulic pipe to complete the flipping, so as to weld the other side of the hydraulic pipe.

[0031] Working principle: When welding the hydraulic pipe, firstly, the second cylinder 9 is started by the controller 5 to drive the workbench 4 to move upward (the operation of the first cylinder 7, the second cylinder 9 and the motor 307 is controlled by the controller 5). When the second cylinder 9 is started, the telescopic rod 8 is extended and retracted. When the height of the workbench 4 is adapted to the welding personnel, the second cylinder 9 is closed, and then the two hydraulic pipes to be welded are passed through the rotating assembly 3 in turn, and the part of the hydraulic pipe to be welded is placed in the middle of the two groups of support blocks 12. Then, the fixing assembly 2 is used to fix the hydraulic pipe, specifically, the rotating turntable 20 is rotated. 3 drives the screw rod 202 to rotate, and the rotation of the screw rod 202 drives the limit plate 201 to slide downward along the limit groove 303. The limit plate 201 moves downward to drive the clamping plate 204 to move downward. When the clamping plate 204 moves downward, it drives the clamping teeth 205 to press against the surface of the hydraulic pipe to complete the fixation of the hydraulic pipe. Through the setting of the fixing component 2, it is convenient to fix the hydraulic pipe (by setting the curvature of the clamping plate 204 a little larger, it is possible to fix hydraulic pipes of different sizes). Through the setting of the clamping teeth 205, the friction between the clamping plate 204 and the hydraulic pipe is increased, thereby improving the fixing effect.

[0032] Then, the first cylinder 7 is started to drive the lifting plate 10 to move upward, and the lifting plate 10 moves upward to drive the support block 12 to move upward, and the support block 12 moves upward to drive the groove 11 to contact the lower part of the hydraulic pipe, thereby completing the support of the welding position of the hydraulic pipe, and then welding begins;

[0033] When the welding is completed and the side needs to be changed, the motor 307 is started (the motor 307 is equipped with a brake and a self-locking function). The motor 307 starts to drive the connecting rod 308 to rotate, the connecting rod 308 rotates to drive the gear plate 302 to rotate, the gear plate 302 rotates to drive the ring gear 305 to rotate, the ring gear 305 rotates to drive the ring 304 to rotate, and the ring 304 rotates to drive the hydraulic pipe to complete the flipping, so as to weld the other side of the hydraulic pipe. Through the setting of the rotating component 3, it is convenient to rotate and flip the hydraulic pipe for welding, which reduces the workload of the welding personnel, is easy to operate, and ensures work efficiency.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A clamp for welding hydraulic pipes of engineering machinery, comprising a workbench (4) and a fixing assembly (2), characterized in that: The upper surface of the workbench (4) is provided with two groups of symmetrically distributed rotating components (3); the fixed component (2) is provided on the upper surface of the workbench (4); a fixing hole (6) is provided at the center of the workbench (4); a first cylinder (7) is installed in the fixing hole (6); a lifting plate (10) is connected to the upper end of the first cylinder (7); and two groups of symmetrically distributed supporting blocks (12) are installed on the upper surface of the lifting plate (10).

2. The welding fixture for hydraulic pipes of construction machinery according to claim 1, characterized in that: A controller (5) is installed on the side of the workbench (4), a plurality of groups of telescopic rods (8) are installed on the lower surface of the workbench (4), and a second cylinder (9) is installed at the center of the lower surface of the workbench (4).

3. The welding fixture for hydraulic pipes of construction machinery according to claim 2, characterized in that: The lower end of the second cylinder (9) is connected to a bottom plate (1), and a groove (11) is provided at the center of the support block (12).

4. The welding fixture for hydraulic pipes of construction machinery according to claim 3 is characterized in that: The fixing assembly (2) comprises a screw rod (202), the upper end of the screw rod (202) being connected to a rotating disk (203), the lower end of the screw rod (202) being rotatably connected to a limiting plate (201), a clamping plate (204) being installed at the center of the lower surface of the limiting plate (201), and a clamping tooth (205) being provided on a downwardly facing side of the clamping plate (204).

5. The welding fixture for hydraulic pipes of construction machinery according to claim 4, characterized in that: The rotating assembly (3) comprises a vertical plate (301), wherein the vertical plates (301) are provided in two groups, and the two groups of the vertical plates (301) are symmetrically mounted on the upper surface of the workbench (4); the upper ends of the vertical plates (301) are connected to a circular plate (306), and the circular plate (306) is rotatably connected to a circular ring (304); the circular ring (304) is provided with ring teeth (305) on the outside, and the circular ring (304) is provided with two groups of limit grooves (303) on the inside.

6. The welding fixture for hydraulic pipes of construction machinery according to claim 5, characterized in that: The rotating assembly (3) further comprises a motor (307), wherein the motor (307) is fixedly mounted on a side of the vertical plate (301) facing the support block (12), the motor (307) is connected to a connecting rod (308), the connecting rod (308) is rotatably connected to the vertical plate (301), the connecting rod (308) is connected to a gear plate (302), and the gear plate (302) is meshed and matched with the ring gear (305).

7. The welding fixture for hydraulic pipes of construction machinery according to claim 6, characterized in that: The screw rod (202) is threadably matched with the circular ring (304), and the limiting plate (201) is slidably matched with the limiting groove (303).

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