Welding tool for crane end beam

Abstract

The utility model relates to the technical field of crane production equipment, in particular to a welding tool for a crane end beam, which comprises a base, a fixed trough plate and a movable trough plate, the fixed trough plate is fixedly arranged on the base, the movable trough plate is adjustably arranged on the base, and a plurality of rib plate positioning components are arranged on the fixed trough plate and the movable trough plate. Two opposite opening assemblies are arranged on the base. A flat plate at the bottom of an end beam is positioned through the fixing groove plate and the opening support of one opening assembly, a rib plate is clamped and positioned through cooperation of the clamping plates, the clamping blocks on the vertical plates and the springs, and the opening assemblies open side plates of the end beam to achieve supporting and positioning. The top flat plate of the end beam is positioned through the opening support and the positioning blocks on the vertical plate, clamping is conducted through rapid clamping, positioning is accurate and reliable, therefore, the welding precision is guaranteed, the welding efficiency is improved, the overall structure is simple, the machining cost is low, use is convenient and rapid, and popularization is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of crane production equipment, in particular to a welding tool for a crane end beam. Background Art

[0002] The crane end beam is an important component of the crane. The crane end beam is generally a box beam structure welded from steel plates, usually welded from the end beam bottom plate, the end beam top plate, the end beam side plate and the rib plate. During the welding process, the various plates that make up the end beam need to be spliced ​​and spot welded in place before welding. Existing end beam welding mostly uses simple tooling with manual positioning and welding. This welding method often requires repeated adjustment of positioning and fixation of position during the welding process. Errors are prone to occur during the adjustment process, resulting in inaccurate positioning, which makes it impossible to guarantee the welding quality of the end beam and reduces the welding efficiency.

[0003] Therefore, it is necessary to propose a welding tool for crane end beam to overcome the defects of the prior art. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and provides a welding tool for a crane end beam.

[0005] The technical solution of the utility model is:

[0006] A welding tool for a crane end beam comprises a base, a fixed slot plate and a movable slot plate, wherein the fixed slot plate is fixedly arranged on the base, and the movable slot plate is adjustably arranged on the base and parallel to the fixed slot plate, and a plurality of rib plate positioning components are slidably arranged on the fixed slot plate and the movable slot plate, and two opposing expansion components are arranged on the base and between the fixed slot plate and the movable slot plate, wherein one expansion component is fixedly arranged at one end of the base, and the other expansion component is adjustably arranged at the other end of the base.

[0007] Preferably, the rib plate positioning assembly includes a positioning bracket, a splint and a quick clamp, the positioning bracket includes an integrally arranged bottom plate, a vertical plate and a top plate, a plurality of guide shafts are arranged on one side of the vertical plate, the splint is penetrated and arranged on the guide shaft, a spring is sleeved on the guide shaft, one end of the spring is fixed to the end of the guide shaft, and the other end of the spring abuts against the splint, and the quick clamp is arranged on the top plate.

[0008] Preferably, a clamping block matched with the clamping plate is arranged on the vertical plate, and a positioning block is arranged on the vertical plate and above the clamping block.

[0009] Preferably, the support assembly includes a support bracket, a screw rod and two extension rods. The screw rod is rotatably set on the support bracket. A nut block is threadedly connected to the screw rod. The nut block is respectively connected to the two extension rods through a connecting rod. Two guide plates are symmetrically arranged on the support bracket. The two extension rods are respectively penetrated and arranged on the two guide plates. A support plate is arranged at the end of the extension rod away from the nut block.

[0010] Preferably, a hand wheel is fixedly provided at the end of the screw.

[0011] Preferably, an actuator is provided on the base, a fixed end of the actuator is provided on the base, an extended end of the actuator is connected to a movable slot plate, a plurality of guide slots are provided on the base, guide bars matching the guide slots are provided on the movable slot plate, and positioning holes arranged in a rectangular shape are provided on the base.

[0012] Preferably, both the fixed slot plate and the movable slot plate are provided with T-slots.

[0013] Preferably, a plurality of lifting ears are symmetrically arranged on the two outer side walls of the base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model positions the bottom plate of the end beam by means of a fixedly installed fixed slot plate and a supporting bracket of one of the supporting components, and realizes the clamping and positioning of the rib plate by means of the cooperation of the clamping plate, the clamping block on the vertical plate and the spring. The supporting component supports and positions the side plates of the end beam, and positions the top plate of the end beam by means of the supporting bracket and the positioning blocks on the vertical plate, and clamps and fixes it by means of a quick clamp. The positioning is accurate and reliable, thereby ensuring the accuracy of welding, improving welding efficiency and welding quality, and the overall structure is simple, the application range is wide, the processing cost is low, and the use is convenient and quick, and it is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the rib plate positioning assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the propping assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the base structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the movable slot plate of the utility model;

[0021] Figure 6 This is a schematic diagram of the utility model in use state.

[0022] Among them, 1. base; 2. fixed slot plate; 3. movable slot plate; 31. guide strip; 4. actuator; 5. positioning bracket; 51. bottom plate; 52. vertical plate; 53. top plate; 54. guide shaft; 55. clamp block; 56. positioning block; 6. clamp plate; 7. quick clamp; 8. spring; 9. support bracket; 10. screw rod; 11. nut block; 12. extension rod; 13. guide plate; 14. support plate; 15. handwheel; 16. guide groove; 17. positioning hole; 18. lifting ear; 19. T-slot; 20. connecting rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, technical features, utility model objectives and technical effects achieved by the utility model easy to understand, the utility model is further explained below with reference to specific illustrations.

[0024] like Figure 1 As shown, a welding tool for a crane end beam comprises a base 1, a fixed slot plate 2, a movable slot plate 3, a rib plate positioning assembly and a spreading assembly. The fixed slot plate 2 and the movable slot plate 3 are installed on the base 1 in parallel with each other. The fixed slot plate 2 is fixedly connected to the base 1. The movable slot plate 3 is connected to the base 1 and can move relative to the base 1 to adjust the spacing between the fixed slot plate 2 and achieve clamping and expansion of the applicable range. The number of rib plate positioning assemblies is multiple. Specifically, the number of rib plate positioning assemblies is an even number, and the even number of rib plate positioning assemblies is evenly divided and installed respectively. On the fixed groove plate 2 and the movable groove plate 3, and the installation position can be adjusted relative to the fixed groove plate 2 / movable groove plate 3 to correspond to the welding position of the rib plate. The number of the support components is two, and the two support components are relatively installed at the two ends of the base 1, and are located between the fixed groove plate 2 and the movable groove plate 3. One of the support components is fixedly connected to the base 1, and the positioning of the bottom plate of the end beam is achieved through the fixedly installed fixed groove plate 2 and the support component. The other support component can be relatively moved with the base 1 to adjust the distance between the two support components to meet the welding requirements of end beams of different specifications.

[0025] like Figure 2As shown, the rib plate positioning assembly includes a positioning bracket 5, a clamping plate 6 and a quick clamp 7. The clamping plate 6 is connected to one side of the positioning bracket 5 to realize the clamping and positioning of the rib plate. The quick clamp 7 is installed on the top of the positioning bracket 5 to compress and fix the top plate of the end beam. Specifically, the positioning bracket 5 includes a bottom plate 51, a vertical plate 52 and a top plate 53. The bottom plate 51, the vertical plate 52 and the top plate 53 are welded as a whole. The positioning bracket 5 is connected to the fixed groove plate 2 / movable groove plate 3 through the bottom plate 51. A plurality of guide shafts 54 are installed on one side of the vertical plate 52. The clamping plate 6 is penetrated and connected to the guide shaft 54. A spring 8 is mounted on the guide shaft 54. One end of the spring 8 is fixedly connected to the end of the guide shaft 54. The other end of the spring 8 abuts against the clamping plate 6. A clamping block 55 is processed on the end face of the vertical plate 52 and perpendicular to the plane where the guide shaft 54 ​​is located. The clamping block 55 is adapted to the clamping plate 6. Under the action of the elastic force of the spring 8, the clamping plate 6 is pressed against the vertical plate 52. When in use, the rib plate can be placed between the clamping block 55 and the clamping plate 6 by pulling open the clamping plate 6, and the clamping plate 6 is loosened. Under the action of the spring 8, the clamping plate 6 presses the rib plate between the clamping block 55 and the clamping plate 6 to achieve clamping and fixing of the rib plate. A positioning block 56 is processed on the vertical plate 52 and located above the clamping block 55 for positioning the top plate of the end beam. The quick clamp 7 is installed on the top plate 53 to press the positioned top plate of the end beam.

[0026] like Figure 3 As shown, the expansion assembly includes an expansion bracket 9, a screw rod 10 and two extension rods 12. The expansion bracket 9 is connected to the base 1. The screw rod 10 penetrates and is rotatably connected to the expansion bracket 9. A hand wheel 15 is fixedly installed at the end of the screw rod 10 to improve the convenience of operating the screw rod 10. A nut block 11 is threadedly connected to the screw rod 10. The nut block 11 is respectively connected to the two extension rods 12 through two connecting rods 20. Specifically, one end of the connecting rod 20 is hinged to the nut block 11, and the other end of the connecting rod 20 is hinged to the extension rod 12. Two guide plates 13 are connected to the expansion bracket 9. The two guide plates 13 are distributed in a symmetrical manner. The two extension rods 12 They are respectively penetrated and connected to the two guide plates 13, and the guide plates 13 are used to guide the extension and retraction of the extension rod 12. A support plate 14 is installed at the end of the extension rod 12 away from the nut block 11, which is used to push the side plates of the end beam and open them for positioning. The screw rod 10 is driven to rotate by the hand wheel 15, and the nut block 11 is driven to move on the screw rod 10 through the threaded connection between the screw rod 10 and the nut block 11. The nut block 11 pushes the extension rod 12 to extend to both sides along the guide plates 13 through the connecting rod 20, pushing the two side plates of the end beam, so that the two side plates of the end beam are opened and connected to the rib plate. In order to ensure the stability of the open side plates of the end beam, the position of the open side plates of the end beam by the support plate 14 is close to the lower part of the side plates of the end beam.

[0027] like Figure 1 and Figure 4As shown, the movement of the movable slot plate 3 relative to the base 1 is realized by the actuator 4, the fixed end of the actuator 4 is connected to the base 1, and the protruding end of the actuator 4 is connected to the movable slot plate 3. The actuator 4 adopts but is not limited to a cylinder or a hydraulic cylinder. In order to ensure the smooth movement of the movable slot plate 3, a plurality of parallel guide grooves 16 are processed on the base 1, and a guide bar 31 adapted to the guide groove 16 is processed on the bottom of the movable slot plate 3. The guide bar 31 is slidably installed in the guide groove 16. In order to facilitate the adjustment of the installation position of one of the expansion components, a plurality of positioning holes 17 are processed on the base 1. The positioning holes 17 are arranged in a rectangular shape. The expansion bracket 9 is connected to the positioning hole 17 by a quick locking pin, and the connection is firm, and the disassembly and assembly are convenient and quick.

[0028] like Figure 1 and Figure 5 As shown, both the fixed slot plate 2 and the movable slot plate 3 are processed with T-slots 19 to facilitate the adjustment and tightening of the positioning bracket 5.

[0029] like Figure 1 and Figure 4 As shown, two outer side walls of the base 1 are symmetrically connected with lifting ears 18 for lifting the base 1 to meet the use requirements of different workstations.

[0030] The working principle of the utility model is:

[0031] When using, Figure 6 As shown, place the bottom plate of the end beam on the base 1 so that its two perpendicular sides respectively abut against the fixed slot plate 2 and the support bracket 9 fixedly installed therein, adjust the installation position of the rib plate positioning assembly on the fixed slot plate 2 and the movable slot plate 3 and fix them, pull the clamping plate 6 and the vertical plate 52 apart by a certain gap, place the rib plate between the clamping plate 6 and the clamping block 55, loosen the clamping plate 6, and clamp the rib plate between the clamping plate 6 and the vertical plate 52 under the action of the spring 8, start the actuator 4, and the actuator 4 pushes the movable slot plate 3 to move, The bottom flat plate of the end beam is clamped between the fixed groove plate 2 and the movable groove plate 3, and the two end beam side plates are placed on the bottom flat plate of the end beam. The hand wheel 15 is manually turned to drive the screw rod 10 to rotate, and the nut block 11 moves. The extension rod 12 drives the support plate 14 to open the two end beam side plates and close to the rib plate. The top flat plate of the end beam is placed above the two end beam side plates and positioned by the positioning block 56 on the vertical plate 52. The top flat plate of the end beam is pressed against the end beam side plates by the quick clamp 7. After positioning is completed, the end beam can be welded.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. That is, any equivalent changes and modifications made according to the content of the patent application scope of the present invention should belong to the technical scope of the present invention.

Claims

1. A welding tool for a crane end beam, characterized in that: The invention comprises a base (1), a fixed groove plate (2) and a movable groove plate (3), wherein the fixed groove plate (2) is fixedly arranged on the base (1), and the movable groove plate (3) is adjustably arranged on the base (1) and parallel to the fixed groove plate (2), and a plurality of rib plate positioning components are slidably arranged on the fixed groove plate (2) and the movable groove plate (3), and two opposing opening components are arranged on the base (1) and between the fixed groove plate (2) and the movable groove plate (3), wherein one of the opening components is fixedly arranged at one end of the base (1), and the other opening component is adjustably arranged at the other end of the base (1).

2. The welding tool for crane end beam according to claim 1 is characterized in that: The rib plate positioning assembly comprises a positioning bracket (5), a clamp (6) and a quick clamp (7); the positioning bracket (5) comprises a bottom plate (51), a vertical plate (52) and a top plate (53) which are integrally arranged; a plurality of guide shafts (54) are arranged on one side of the vertical plate (52); the clamp (6) is penetrated and arranged on the guide shaft (54); a spring (8) is sleeved on the guide shaft (54); one end of the spring (8) is fixedly arranged on the end of the guide shaft (54); the other end of the spring (8) abuts against the clamp (6); and the quick clamp (7) is arranged on the top plate (53).

3. The welding tool for crane end beam according to claim 2 is characterized in that: A clamping block (55) adapted to the clamping plate (6) is provided on the vertical plate (52), and a positioning block (56) is provided on the vertical plate (52) and located above the clamping block (55).

4. The welding tool for crane end beam according to claim 1, characterized in that: The expansion assembly comprises an expansion bracket (9), a screw rod (10) and two extension rods (12); the screw rod (10) is rotatably arranged on the expansion bracket (9); a nut block (11) is threadedly connected to the screw rod (10); the nut block (11) is respectively connected to the two extension rods (12) through a connecting rod (20); two guide plates (13) are symmetrically arranged on the expansion bracket (9); the two extension rods (12) are respectively penetrated and arranged on the two guide plates (13); and a support plate (14) is arranged at the end of the extension rod (12) away from the nut block (11).

5. The welding tool for crane end beam according to claim 4, characterized in that: A hand wheel (15) is fixedly provided at the end of the screw rod (10).

6. The welding tool for crane end beam according to claim 1, characterized in that: An actuator (4) is arranged on the base (1), a fixed end of the actuator (4) is arranged on the base (1), an extended end of the actuator (4) is connected to the movable slot plate (3), a plurality of guide slots (16) are arranged on the base (1), a guide bar (31) adapted to the guide slots (16) is arranged on the movable slot plate (3), and positioning holes (17) arranged in a rectangular shape are arranged on the base (1).

7. The welding tool for crane end beam according to claim 1, characterized in that: The fixed slot plate (2) and the movable slot plate (3) are both provided with T-shaped slots (19).

8. The welding tool for crane end beam according to claim 1, characterized in that: A plurality of lifting ears (18) are symmetrically arranged on two outer side walls of the base (1).

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