A cross-arm section leveling welding device for electric power fittings

Abstract

The present invention discloses a cross-arm cross-section leveling welding device for electric hardware, which relates to the technical field of electric hardware welding, and includes a processing table and a laser welding robot. A stabilizing frame is fixedly mounted on the upper end of the processing table, and an adjustment mechanism is provided on the outer wall of the stabilizing frame. A leveling mechanism is provided at one end of the adjustment mechanism. A fixing mechanism is provided on the upper end of the processing table, and the adjustment mechanism includes a V-shaped seat, two sets of mounting frame plates, and two sets of movable plates. The present invention can prevent appearance defects during welding, so that the effective cross-sectional area of ​​the weld can be restored and guaranteed, and the stress distribution is more uniform, thereby significantly enhancing the bearing capacity of the structure, and improving the stability and reliability of the entire structure, effectively extending the service life of the structure, and reducing the safety hazards and maintenance costs caused by weld defects. At the same time, it improves welding quality and welding efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of electric power fitting welding, in particular to a cross-arm section leveling welding device for electric power fittings. Background Art

[0002] Power fittings are metal accessories that connect and combine various devices in power systems, transmitting mechanical and electrical loads and providing some form of protection. The crossarm, a key component of power fittings, is an angle iron fixed horizontally to the top of a utility pole. It holds a porcelain bottle and supports overhead wires. The crossarm is a crucial component of a pole tower, housing insulators and fittings to support conductors and lightning conductors while maintaining a specified safety distance.

[0003] In the prior art, assemblies gradually deform during continuous transfer or pressing, which easily leads to appearance defects during welding, such as undercuts, weld bumps, pits, and incomplete welds. These defects reduce the effective cross-sectional area of ​​the weld, cause stress concentration, and weaken the bearing capacity of the structure. At the same time, they are likely to cause the weld to be too large, thereby affecting the welding quality and efficiency. Therefore, a cross-arm section leveling welding device for power fittings is proposed. Summary of the Invention

[0004] The object of the present invention is to provide a cross-arm section leveling welding device for electrical hardware to solve the problem that the assembly proposed in the above-mentioned background technology will gradually deform during continuous transfer or pressing, which leads to the occurrence of appearance defects such as undercuts, weld bumps, pits and incomplete welds during welding. These defects will reduce the effective cross-sectional area of ​​the weld, cause stress concentration, weaken the bearing capacity of the structure, and easily cause the weld to be too large, thereby affecting the welding quality and welding efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a cross-arm cross-section leveling welding device for power fittings, comprising a processing table and a laser welding robot, wherein a stabilizing frame is fixedly mounted on the upper end of the processing table, an adjustment mechanism is provided on the outer wall of the stabilizing frame, a leveling mechanism is provided on one end of the adjustment mechanism, and a fixing mechanism is provided on the upper end of the processing table, wherein the adjustment mechanism includes a V-shaped seat, two sets of mounting frame plates, and two sets of movable plates;

[0006] The leveling mechanism includes two groups of elliptical top plates and four groups of support frames, each of the four groups of support frames is rotatably mounted with a No. 1 cylinder inside, each of the four groups of support frames is rotatably mounted with a matching seat on the inner middle protrusion, each of the four groups of No. 1 cylinder protruding ends is rotatably mounted with a movable part on the outer wall, and each of the four groups of movable parts has a lower pressure head fixedly mounted on one end;

[0007] The fixing mechanism includes a long seat, the upper end of which is provided with a V-shaped groove, and four groups of fixing frames are fixedly installed on the upper end of the processing table, one end of the four groups of fixing frames are penetrated and installed with a No. 2 cylinder, the protruding ends of the four groups of No. 2 cylinders are fixedly installed with special-shaped plates, and the lower ends of the four groups of special-shaped plates are fixedly installed with lower pressure plates, wherein the four groups of No. 1 cylinders are started, and the protruding ends of the four groups of No. 1 cylinders push one end of the four groups of movable parts to move, so that the four groups of movable parts rotate inside the four groups of matching seats respectively, and at the same time, the other ends of the four groups of movable parts drive the four groups of lower pressure heads to move downward, so that the four groups of lower pressure heads push the two groups of elliptical top plates to move toward the outer wall of the V-shaped seat, thereby fixing the two cross arms on the outer wall of the V-shaped seat, which is convenient for The outer gap formed between the two cross arms is welded, and then the four groups of No. 2 cylinders are started. The protruding ends of the four groups of No. 2 cylinders are driven by four groups of special-shaped plates to move the lower pressure plate, and the two groups of lower pressure plates are moved to the upper ends of the two cross arms, so that the two cross arms can be fixed inside the V-shaped groove, which is convenient for welding the inner gap formed between the two cross arms, thereby preventing appearance defects during welding, and allowing the effective cross-sectional area of ​​the weld to be restored and protected, and the stress distribution is more uniform, thereby significantly enhancing the bearing capacity of the structure, and improving the stability and reliability of the entire structure, effectively extending the service life of the structure, and reducing the safety hazards and maintenance costs caused by weld defects. At the same time, the welding quality and welding efficiency are improved.

[0008] Preferably, the adjustment mechanism includes a V-shaped seat, two groups of movable plates and two groups of mounting plates, the upper and lower ends of the V-shaped seat are provided with special-shaped grooves, one end of the two groups of mounting plates is fixedly installed with a servo motor, the upper and lower ends of the two groups of movable plates are fixedly installed with movable blocks, the inner side walls of the four groups of movable blocks are fixedly installed with guide blocks, one end of the two groups of movable plates is fixedly installed with a threaded seat, and the interiors of the two groups of threaded seats are threadedly connected with screws.

[0009] Preferably, the outer walls of the four groups of movable parts are rotatably mounted inside the protruding parts of the four groups of support frames, and one end of the four groups of support frames is fixed to one end of the two groups of movable plates.

[0010] Preferably, the lower end of the long seat is fixed to the upper end of the processing table, and the two groups of lower pressing plates are located directly above the long seat.

[0011] Preferably, one end of the two groups of screw rods is welded with a blocking circular plate, and one end of the two groups of mounting frame plates is fixed to the inner side wall of the V-shaped seat.

[0012] Preferably, one end of the two groups of servo motors is respectively fixed to one end of the two groups of mounting plates, and the other ends of the two groups of screw rods are respectively fixed to the output ends of the two groups of servo motors.

[0013] Preferably, the four groups of movable blocks are respectively arranged at the upper and lower ends of the V-shaped seat, and the four groups of guide blocks are respectively slidably installed inside the two groups of special-shaped grooves.

[0014] Preferably, the inner side wall of the V-shaped seat is fixed to the outer wall of the stabilizing frame seat, and the two groups of movable plates are in contact with the outer wall of the V-shaped seat.

[0015] Preferably, a lifting mechanism is provided on one side of the processing table, a left-right moving mechanism is fixedly mounted on the ejection end of the lifting mechanism, and the lower end of the laser welding robot is fixed to a moving part in the left-right moving mechanism.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, with the cooperation of the leveling mechanism and the fixing mechanism, it is convenient to weld the outer gap formed between the two cross arms. Afterwards, the inner gap formed between the two cross arms can also be welded, thereby preventing appearance defects during welding, so that the effective cross-sectional area of ​​the weld can be restored and guaranteed, and the stress distribution is more uniform, thereby significantly enhancing the bearing capacity of the structure, and improving the stability and reliability of the entire structure, effectively extending the service life of the structure, and reducing the safety hazards and maintenance costs caused by weld defects. At the same time, the welding quality and welding efficiency are improved.

[0018] 2. In the present invention, an adjustment mechanism is provided. With the cooperation of two groups of servo motors, screws and two groups of threaded seats, the two groups of servo motors drive the two groups of threaded seats to move through the two screws. With the cooperation of the two groups of threaded seats, movable plates, four groups of movable blocks, four groups of guide blocks and two groups of special-shaped grooves, the four groups of guide blocks can be driven to slide inside the two groups of special-shaped grooves. At the same time, the two groups of threaded seats are respectively moved on the outer walls of the two groups of screws, so that the two groups of threaded seats drive the four groups of mounting frames to move through the two groups of movable plates, and then the position of the adjustment mechanism can be adjusted, so that cross arms of different sizes can be fixed, thereby improving the practicality of the welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional diagram of a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0020] Figure 2 This is a partial perspective view of a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0021] Figure 3 This is a three-dimensional diagram of the adjusting mechanism and the fixing mechanism in a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0022] Figure 4This is a three-dimensional diagram of a processing table, an adjustment mechanism, and a leveling mechanism in a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0023] Figure 5 This is a three-dimensional diagram of an adjustment mechanism in a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0024] Figure 6 This is a three-dimensional diagram of a leveling mechanism in a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0025] Figure 7 This is a partial structural diagram of a leveling mechanism in a cross-arm section leveling welding device for electric power fittings according to the present invention;

[0026] Figure 8 The present invention is a schematic structural diagram of an adjustment mechanism and a leveling mechanism in a cross-arm section leveling welding device for electric power fittings.

[0027] In the picture:

[0028] 1. Processing table; 11. Lifting mechanism; 12. Left and right moving mechanism; 13. Laser welding robot; 14. Stabilizing frame; 2. Adjusting mechanism; 21. V-shaped seat; 22. Mounting frame plate; 23. Movable plate; 24. Special-shaped groove; 25. Guide block; 26. Servo motor; 27. Movable block; 28. Threaded seat; 29. ​​Screw; 210. Blocking circular plate; 3. Leveling mechanism; 31. Elliptical top plate; 32. Support frame; 33. No. 1 cylinder; 34. Lower pressure head; 35. Movable part; 36. Matching seat; 4. Fixing mechanism; 41. Long seat; 42. V-shaped groove; 43. Fixing frame; 44. No. 2 cylinder; 45. Lower pressure plate; 46. Special-shaped plate. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0030] Example 1: Reference Figure 1-8 The figure shows a cross-arm cross-section leveling welding device for power fittings, comprising a processing table 1 and a laser welding robot 13. A stabilizing frame 14 is fixedly mounted on the upper end of the processing table 1. An adjusting mechanism 2 is provided on the outer wall of the stabilizing frame 14. A leveling mechanism 3 is provided at one end of the adjusting mechanism 2. A fixing mechanism 4 is provided at the upper end of the processing table 1. The adjusting mechanism 2 includes a V-shaped seat 21, two sets of movable plates 23, and two sets of mounting frame plates 22.

[0031] The leveling mechanism 3 includes two groups of elliptical top plates 31 and four groups of support frames 32. The interiors of the four groups of support frames 32 are all rotatably mounted with a No. 1 cylinder 33. The inner middle protrusions of the four groups of support frames 32 are all rotatably mounted with a matching seat 36. The outer walls of the protruding ends of the four groups of No. 1 cylinders 33 are all rotatably mounted with movable parts 35. One end of each of the four groups of movable parts 35 is fixedly mounted with a pressing head 34. The outer walls of the four groups of movable parts 35 are respectively rotatably mounted inside the protruding parts of the four groups of support frames 32. One end of the four groups of support frames 32 is respectively fixed to one end of the two groups of movable plates 23.

[0032] The fixing mechanism 4 includes a long seat 41, the upper end of which is provided with a V-shaped groove 42. Four sets of fixing frames 43 are fixedly installed on the upper end of the processing table 1. One end of each of the four sets of fixing frames 43 is penetrated by a No. 2 air cylinder 44. The protruding ends of the four sets of No. 2 air cylinders 44 are fixedly installed with a special-shaped plate 46. The lower ends of the four sets of special-shaped plates 46 are fixedly installed with a lower pressing plate 45. The lower end of the long seat 41 is fixed to the upper end of the processing table 1, and the two sets of lower pressing plates 45 are located directly above the long seat 41.

[0033] A lifting mechanism 11 is provided on one side of the processing table 1 , and a left-right moving mechanism 12 is fixedly mounted on the ejection end of the lifting mechanism 11 . The lower end of the laser welding robot 13 is fixed to the moving part of the left-right moving mechanism 12 .

[0034] In this embodiment, the four groups of No. 1 cylinders 33 are started, and the protruding ends of the four groups of No. 1 cylinders 33 push one end of the four groups of movable parts 35 to move, so that the four groups of movable parts 35 rotate inside the four groups of matching seats 36 respectively. At the same time, the other ends of the four groups of movable parts 35 drive the four groups of lower pressure heads 34 to move downward, so that the four groups of lower pressure heads 34 push the two groups of elliptical top plates 31 to move toward the outer wall of the V-shaped seat 21, and then the two cross arms on the outer wall of the V-shaped seat 21 can be fixed, which is convenient for welding the outer gap formed between the two cross arms, and then the four groups of No. 2 cylinders 44 are started, and the protruding ends of the four groups of No. 2 cylinders 44 pass through the four groups of special-shaped The plate 46 drives the lower pressure plate 45 to move, and the two sets of lower pressure plates 45 are moved to the upper ends of the two cross arms, so that the two cross arms can be fixed inside the V-shaped groove 42, which facilitates welding of the internal gap formed between the two cross arms, thereby preventing appearance defects during welding, so that the effective cross-sectional area of ​​the weld can be restored and protected, and the stress distribution is more uniform, thereby significantly enhancing the bearing capacity of the structure, and improving the stability and reliability of the entire structure, effectively extending the service life of the structure, and reducing the safety hazards and maintenance costs caused by weld defects. At the same time, the welding quality and welding efficiency are improved;

[0035] Under the cooperation of the four sets of support frames 32 and the four sets of No. 1 cylinders 33, when the four sets of No. 1 cylinders 33 push the four sets of movable parts 35 to move, the four sets of No. 1 cylinders 33 will rotate inside the four sets of support frames 32 respectively, so that the four sets of No. 1 cylinders 33 can push the four sets of movable parts 35 to move normally;

[0036] Under the cooperation of the four sets of fixing frames 43 and the four sets of No. 2 cylinders 44, the four sets of No. 2 cylinders 44 are respectively fixed inside the four sets of fixing frames 43, so that the four sets of fixing frames 43 respectively fix the four sets of No. 2 cylinders 44, thereby increasing the stability of the four sets of No. 2 cylinders 44 when moving;

[0037] By setting up a lifting mechanism 11, a left-right moving mechanism 12 and a laser welding robot 13, the lifting mechanism 11 is started, and the lifting mechanism 11 can drive the laser welding robot 13 to move through the left-right moving mechanism 12, so as to facilitate the adjustment of the height of the laser welding robot 13. Then, the left-right moving mechanism 12 is started, and the left-right moving mechanism 12 can drive the laser welding robot 13 to move, so as to facilitate the adjustment of the position of the laser welding robot 13, so as to be able to weld the risks formed by the laser welding robot 13 on the two crossarms.

[0038] Example 2: Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 8 As shown, the adjustment mechanism 2 includes a V-shaped seat 21, two sets of mounting plates 22 and two sets of movable plates 23. The upper and lower ends of the V-shaped seat 21 are provided with special-shaped grooves 24. One end of the two sets of mounting plates 22 is fixedly mounted with a servo motor 26. The upper and lower ends of the two sets of movable plates 23 are fixedly mounted with movable blocks 27. The inner side walls of the four sets of movable blocks 27 are fixedly mounted with guide blocks 25. One end of the two sets of movable plates 23 is fixedly mounted with a threaded seat 28. The interior of the two sets of threaded seats 28 is threadedly connected with a screw 29. One end of the two sets of screws 29 is welded with a blocking circle. Plate 210, one end of the two groups of mounting plates 22 are fixed to the inner wall of the V-shaped seat 21, the two groups of movable plates 23 are in contact with the outer wall of the V-shaped seat 21, one end of the two groups of servo motors 26 are respectively fixed to one end of the two groups of mounting plates 22, the other ends of the two groups of screws 29 are respectively fixed to the output ends of the two groups of servo motors 26, the four groups of movable blocks 27 are respectively arranged at the upper and lower ends of the V-shaped seat 21, the four groups of guide blocks 25 are respectively slidably installed inside the two groups of special-shaped grooves 24, and the inner side wall of the V-shaped seat 21 is fixed to the outer wall of the stable frame 14.

[0039] In this embodiment, an adjustment mechanism 2 is provided, the servo motor 26 is started, and the output end of the servo motor 26 drives the screw 29 to rotate on the internal thread of the threaded seat 28. The four groups of guide blocks 25 are slidably installed in the two groups of special-shaped grooves 24, and the four groups of guide blocks 25 are fixed to the two groups of movable plates 23 through the four groups of movable blocks 27, and the two groups of threaded seats 28 are fixed to the two groups of movable plates 23, respectively, thereby limiting the two groups of threaded seats 28, so that the two groups of threaded seats 28 rotate on the outer walls of the two groups of screws 29, respectively, so that the two groups of threaded seats 28 drive the two groups of movable plates 23 to move, and the two groups of movable plates 23 drive the four groups of support frames 32 to move, thereby adjusting the position of the adjustment mechanism 2, thereby being able to fix crossarms of different sizes, thereby improving the practicality of the welding device;

[0040] When the two sets of movable plates 23 move, the two sets of movable plates 23 drive the four sets of guide blocks 25 to move through the four sets of movable blocks 27, so that the four sets of guide blocks 25 slide inside the two sets of special-shaped grooves 24 respectively, thereby making the two sets of movable blocks 27 move more smoothly, thereby increasing the stability of the two sets of movable plates 23 during movement;

[0041] The provision of the two sets of mounting plates 22 can provide support for the two sets of servo motors 26 and increase the stability of the two sets of servo motors 26 during operation.

[0042] The working principle of the present invention is as follows: when in use, first, the position of the leveling mechanism 3 is adjusted according to the size of the two cross arms, and the servo motor 26 is started. The output end of the servo motor 26 drives the screw 29 to rotate on the internal thread of the threaded seat 28, and the four groups of guide blocks 25 are respectively slidably installed in the two groups of special-shaped grooves 24, and the four groups of guide blocks 25 are fixed to the two groups of movable plates 23 through the four groups of movable blocks 27, and the two groups of threaded seats 28 are respectively fixed to the two groups of movable plates 23, thereby limiting the two groups of threaded seats 28, so that the two groups of threaded seats 28 rotate on the outer walls of the two groups of screws 29, so that the two groups of threaded seats 28 respectively drive the two groups of movable plates 23 to move, and the two groups of movable plates 23 drive the four groups of support frames 32 to move, thereby adjusting the position of the adjustment mechanism 2, and then, the two cross arms are placed on the protruding ends of the V-shaped seat 21, and then one side of the two cross arms is respectively in contact with the outer wall of the V-shaped seat 21, and then the four groups of No. 1 cylinders 33 are started, and the four groups of No. 1 cylinders 3 The protruding end of 3 pushes one end of the four sets of movable parts 35 to move, so that the four sets of movable parts 35 rotate inside the four sets of matching seats 36 respectively. At the same time, the other end of the four sets of movable parts 35 drives the four sets of lower pressing heads 34 to move downward, so that the four sets of lower pressing heads 34 push the two sets of elliptical top plates 31 to move toward the outer wall of the V-shaped seat 21, thereby fixing the two cross arms on the outer wall of the V-shaped seat 21. At this time, the lifting mechanism 11, the left and right moving mechanism 12 and the laser welding robot 13 are controlled to operate, so that the laser welding robot 13 can weld the outer gap formed between the two cross arms. Finally, the two welded cross arms are placed inside the V-shaped groove 42, and then the four sets of No. 2 cylinders 44 are started. The protruding ends of the four sets of No. 2 cylinders 44 are driven by the four sets of special-shaped plates 46 to move the lower pressing plates 45, and the two sets of lower pressing plates 45 are moved to the upper ends of the two cross arms, thereby fixing the two cross arms inside the V-shaped groove 42, facilitating welding the inner gap formed between the two cross arms.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cross-arm section leveling welding device for electric power fittings, comprising a processing table (1) and a laser welding robot (13), characterized in that: The upper end of the processing table (1) is fixedly mounted with a stabilizing frame (14), the outer wall of the stabilizing frame (14) is provided with an adjusting mechanism (2), one end of the adjusting mechanism (2) is provided with a leveling mechanism (3), the upper end of the processing table (1) is provided with a fixing mechanism (4), the adjusting mechanism (2) comprises a V-shaped seat (21), two groups of mounting frame plates (22) and two groups of movable plates (23); the leveling mechanism (3) comprises two groups of elliptical top plates (31) and four groups of supporting frames (32), the interiors of the four groups of supporting frames (32) are all rotatably mounted with a No. 1 cylinder (33), and the inner middle protrusions of the four groups of supporting frames (32) are all rotatably mounted. There is a matching seat (36), and the outer walls of the protruding ends of the four groups of No. 1 cylinders (33) are all rotatably mounted with movable parts (35), and one end of the four groups of movable parts (35) is fixedly mounted with a lower pressure head (34); the fixing mechanism (4) includes a long seat (41), and the upper end of the long seat (41) is provided with a V-shaped groove (42), and the upper end of the processing table (1) is fixedly mounted with four groups of fixing frames (43), and one end of the four groups of fixing frames (43) is penetrated and mounted with a No. 2 cylinder (44), and the protruding ends of the four groups of No. 2 cylinders (44) are all fixedly mounted with special-shaped plates (46), and the lower ends of the four groups of special-shaped plates (46) are all fixedly mounted with a lower pressure plate (45); The adjusting mechanism (2) comprises a V-shaped seat (21), two groups of movable plates (23) and two groups of mounting frames (22), the upper and lower ends of the V-shaped seat (21) are provided with special-shaped grooves (24), one end of the two groups of mounting frames (22) is fixedly mounted with a servo motor (26), the upper and lower ends of the two groups of movable plates (23) are fixedly mounted with movable blocks (27), the inner side walls of the four groups of movable blocks (27) are fixedly mounted with guide blocks (25), one end of the two groups of movable plates (23) is fixedly mounted with a threaded seat (28), and the interior of the two groups of threaded seats (28) is threadedly connected with a screw (29); The outer walls of the four groups of movable members (35) are rotatably mounted inside the protruding parts of the four groups of support frames (32), and one end of the four groups of support frames (32) is fixed to one end of the two groups of movable plates (23). The lower end of the long seat (41) is fixed to the upper end of the processing table (1), and the two sets of lower pressing plates (45) are located directly above the long seat (41); One end of each of the two groups of screw rods (29) is welded with a blocking circular plate (210), and one end of each of the two groups of mounting frame plates (22) is fixed to the inner side wall of the V-shaped seat (21); One end of the two groups of servo motors (26) is respectively fixed to one end of the two groups of mounting plates (22), and the other end of the two groups of screw rods (29) is respectively fixed to the output ends of the two groups of servo motors (26); The four groups of movable blocks (27) are respectively arranged at the upper and lower ends of the V-shaped seat (21), and the four groups of guide blocks (25) are respectively slidably installed inside the two groups of special-shaped grooves (24); The inner side wall of the V-shaped seat (21) is fixed to the outer wall of the stabilizing frame seat (14), and the two sets of movable plates (23) are in contact with the outer wall of the V-shaped seat (21).

2. The cross-arm cross-section leveling welding device for electric power fittings according to claim 1, characterized in that: A lifting mechanism (11) is provided on one side of the processing table (1), a left-right moving mechanism (12) is fixedly mounted on the ejection end of the lifting mechanism (11), and the lower end of the laser welding robot (13) is fixed to a moving part in the left-right moving mechanism (12).

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