Scissor rod welding device of high-altitude platform

Abstract

The utility model discloses a scissor rod welding device of a high-altitude platform, and relates to the technical field of welding devices. The shearing fork rod welding device of the high-altitude platform comprises a fixed bottom plate, a shaft sleeve and a shearing fork rod, three sliding grooves are formed in the upper surface of the fixed bottom plate and penetrate through the lower surface of the fixed bottom plate, the fixed assembly is arranged on the fixed bottom plate, the movable fixing device is arranged on the fixed bottom plate, and the shaft sleeve is arranged on the shaft sleeve. The movable fixing device comprises an L-shaped fixing plate, the L-shaped fixing plate is fixedly connected to the lower surface of the fixing bottom plate, a shaft sleeve is inserted into the outer wall of the front section of a fixing rod, then a third double-shaft air cylinder is started, and the upper output end and the lower output end of the third double-shaft air cylinder drive two arc-shaped supporting plates to move towards the opposite positions; the shaft sleeve is fixed through the tension, the situation that the shaft sleeve is fixed by hands for welding can be omitted, the outer surface of the shaft sleeve cannot be covered, and welding convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding devices, in particular to a scissor rod welding device for an aerial platform. Background Technique

[0002] A lifting platform is a hoisting machine for vertically transporting people or objects. The scissor frame of the lifting platform is composed of multiple scissor rods connected in a cross shape. The scissor rods are hinged to each other through a rotating shaft. The lifting process of the platform can be realized through the movement of the scissor frame. The scissor rods and the rotating shaft are connected through a bushing, and the bushing is welded on the scissor rod.

[0003] At present, when welding between the bushing and the scissor rod, mainly a welder places the bushing in the shaft hole of the scissor rod, then measures the matching length between the bushing and the scissor rod. After determining the installation depth of the bushing, the bushing is fixed by hand for welding. The main problems of such a method are relatively slow welding efficiency. For each bushing welded, measurement is required. After measurement, when the bushing is fixed by hand, it is easy to cause the bushing to slide, affecting the welding accuracy. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a scissor rod welding device for an aerial platform, which can solve the problem that when the bushing is fixed by hand after measurement, it is easy to cause the bushing to slide, affecting the welding accuracy.

[0006] (2) Technical Solutions

[0007] To achieve the above purpose, the utility model provides the following technical solutions: A scissor rod welding device for an aerial platform, including a fixed bottom plate, a bushing and a scissor rod. Three sliding grooves are opened on the upper surface of the fixed bottom plate, and all three sliding grooves penetrate through the lower surface of the fixed bottom plate. A fixing component is arranged on the fixed bottom plate;

[0008] A moving fixing device is arranged on the fixed bottom plate. The moving fixing device includes an L-shaped fixing plate. The L-shaped fixing plate is fixedly connected to the lower surface of the fixed bottom plate, and a servo motor is fixedly connected to the L-shaped part of the L-shaped fixing plate;

[0009] Among them, the output end of the servo motor rotates through the right side of the L-shaped fixing plate, and the output end of the servo motor is fixedly connected to a threaded rod. The right end of the threaded rod is rotatably connected to a third fixing plate, and the third fixing plate is fixedly connected to the fixed bottom plate.

[0010] Preferably, a moving sleeve is threadedly sleeved on the outer wall of the threaded rod, and connecting plates are fixedly connected to the front and rear surfaces of the moving sleeve;

[0011] Among them, rectangular plates are fixedly connected to the upper surfaces of both connecting plates and the moving sleeve, and the three rectangular plates respectively slide through the inner walls of the corresponding sliding grooves.

[0012] Preferably, first mounting holes are provided on all three rectangular plates, and first double-shaft cylinders are fixedly connected to the inner walls of the three first mounting holes;

[0013] Among them, front and rear output ends of the three first double-shaft cylinders are fixedly connected with first fixing plates, and rectangular clamping plates are fixedly connected to the opposite surfaces of the three front and rear corresponding first fixing plates.

[0014] Preferably, fixing rods are provided on all three rectangular plates, second mounting holes are provided on all three fixing rods, third double-shaft cylinders are fixedly connected to the inner walls of the three second mounting holes, and arc-shaped supporting plates are fixedly connected to the upper and lower output ends of the three third double-shaft cylinders.

[0015] Preferably, the fixing assembly includes a supporting plate, the supporting plate is fixedly connected to the upper surface of the fixing bottom plate, a third mounting hole is provided on the supporting plate, and a second double-shaft cylinder is fixedly connected to the inside of the third mounting hole;

[0016] Among them, left and right output ends of the second double-shaft cylinder are fixedly connected with second fixing plates, and circular clamping plates are fixedly connected to the opposite surfaces of the two second fixing plates.

[0017] Among them, the number of the fixing assemblies is two, the structures of the two fixing assemblies are exactly the same, and the two fixing assemblies are arranged corresponding to each other front and back.

[0018] Preferably, four supporting legs are fixedly connected to the lower surface of the fixing bottom plate, and an L-shaped connecting plate is fixedly connected to the lower surface of the fixing bottom plate;

[0019] Among them, a welding machine is fixedly connected to the L-shaped part of the L-shaped connecting plate, and three waste material collection boxes are fixedly connected to the upper surface of the fixing bottom plate.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] (1). For the scissor rod welding device of the aerial platform, by inserting the shaft sleeve into the outer wall of the front section of the fixing rod, then starting the third double-shaft cylinder, the upper and lower output ends of the third double-shaft cylinder drive the two arc-shaped supporting plates to move in opposite directions, and the fixing of the shaft sleeve is completed by using tension. It not only can save the operation of manually fixing the shaft sleeve for welding, but also will not cover the outer surface of the shaft sleeve, improving the welding convenience.

[0023] (2) The scissor bar welding device of the aerial platform can flexibly adjust the depth of the three bushings inside the shaft holes through the servo motor, threaded rod, moving sleeve, and connecting plate via three rectangular plates, improving the rapidity of the accurate fit between the scissor bar and the bushings before welding, saving time, and enhancing the welding efficiency. Description of the Drawings

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0025] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0026] Figure 2 It is a schematic bottom surface upward view of the whole of the present utility model;

[0027] Figure 3 It is a schematic diagram of the connection between the third double-acting cylinder and the fixed rod of the present utility model.

[0028] Reference numerals: 1, fixed bottom plate; 2, servo motor; 3, L-shaped fixed plate; 4, connecting rod; 5, first double-acting cylinder; 6, first fixed plate; 7, fixed rod; 8, bushing; 9, waste collection box; 10, second double-acting cylinder; 11, circular clamping plate; 12, scissor bar; 13, support plate; 14, second fixed plate; 15, rectangular plate; 16, chute; 17, support leg; 18, rectangular clamping plate; 19, threaded rod; 20, connecting plate; 21, third fixed plate; 22, electric welding machine; 23, L-shaped connecting plate; 24, moving sleeve; 25, third double-acting cylinder; 26, arc-shaped support plate. Detailed Description of the Embodiment

[0029] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 thus cannot be understood as a limitation on the present utility model.

[0031] In the description of the present utility model, terms such as "greater than", "less than", "exceeding", etc. are understood not to include the corresponding number, while terms such as "above", "below", "within", etc. are understood to include the corresponding number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0032] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0033] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a scissor bar welding device for an aerial platform, including a fixed bottom plate 1, a bushing 8, and a scissor bar 12. Three sliding grooves 16 are opened on the upper surface of the fixed bottom plate 1, and all three sliding grooves 16 penetrate the lower surface of the fixed bottom plate 1. A fixing component is arranged on the fixed bottom plate 1;

[0034] A moving fixing device is arranged on the fixed bottom plate 1. The moving fixing device includes an L-shaped fixing plate 3. The L-shaped fixing plate 3 is fixedly connected to the lower surface of the fixed bottom plate 1, and a servo motor 2 is fixedly connected to the L-shaped part of the L-shaped fixing plate 3;

[0035] Among them, the output end of the servo motor 2 rotates through the right side of the L-shaped fixing plate 3, and the output end of the servo motor 2 is fixedly connected to a threaded rod 19. The right end of the threaded rod 19 is rotatably connected to a third fixing plate 21, and the third fixing plate 21 is fixedly connected to the fixed bottom plate 1.

[0036] Furthermore, a moving sleeve 24 is threadedly sleeved on the outer wall of the threaded rod 19, and connecting plates 20 are fixedly connected to the front and rear surfaces of the moving sleeve 24;

[0037] Among them, rectangular plates 15 are fixedly connected to the upper surfaces of the two connecting plates 20 and the moving sleeve 24, and the three rectangular plates 15 respectively slide through the inner walls of the corresponding sliding grooves 16.

[0038] Furthermore, first mounting holes are provided on the three rectangular plates 15, and first double-acting cylinders 5 are fixedly connected to the inner walls of the three first mounting holes;

[0039] Among them, the front and rear output ends of the three first double-acting cylinders 5 are fixedly connected to first fixing plates 6, and rectangular clamping plates 18 are fixedly connected to the opposite surfaces of the three front and rear corresponding first fixing plates 6.

[0040] Furthermore, fixing rods 7 are arranged on all three rectangular plates 15. Second mounting holes are arranged on all three fixing rods 7. The inner walls of the three second mounting holes are fixedly connected with third double-shaft cylinders 25. Arc-shaped supporting plates 26 are fixedly connected to the upper and lower output ends of the three third double-shaft cylinders 25.

[0041] Furthermore, the fixing assembly includes a supporting plate 13. The supporting plate 13 is fixedly connected to the upper surface of the fixing base plate 1. A third mounting hole is arranged on the supporting plate 13. A second double-shaft cylinder 10 is fixedly connected to the inside of the third mounting hole;

[0042] Wherein, second fixing plates 14 are fixedly connected to the left and right output ends of the second double-shaft cylinder 10. Circular clamping plates 11 are fixedly connected to the opposite surfaces of the two second fixing plates 14;

[0043] Wherein, the number of the fixing assemblies is two. The structures of the two fixing assemblies are completely the same. The two fixing assemblies are arranged corresponding to each other front and back.

[0044] Furthermore, four supporting legs 17 are fixedly connected to the lower surface of the fixing base plate 1. An L-shaped connecting plate 23 is fixedly connected to the lower surface of the fixing base plate 1;

[0045] Wherein, a welding machine 22 is fixedly connected to the L-shaped part of the L-shaped connecting plate 23. Three waste material collection boxes 9 are fixedly connected to the upper surface of the fixing base plate 1.

[0046] Furthermore, when using the scissor lift welding device of the high-altitude platform, first place the fixed rod 7 on the rectangular plate 15, and then start the first double-axis cylinder 5. The front and rear telescopic ends of the first double-axis cylinder 5 drive the two rectangular clamping plates 18 to move towards each other through the two first fixing plates 6 to fix the fixed rod 7. Then pick up a bushing 8 and insert the bushing 8 into the outer wall of the front section of the fixed rod 7. Then start the third double-axis cylinder 25. The upper and lower output ends of the third double-axis cylinder 25 drive the two arc-shaped support plates 26 to move away from each other to fix the bushing 8 by using tension. This not only eliminates the need to fix the bushing by hand for welding but also does not cover the outer surface of the bushing 8, improving the convenience of welding. The other two installation processes are the same. Then place the scissor lift 12 on the two support plates 13 and align the shaft holes on the scissor lift 12 with the three bushings 8. Start the second double-axis cylinder 10. The front and rear output ends of the second double-axis cylinder 10 drive the two circular clamping plates 11 to move towards each other through the two second fixing plates 14 to fix the scissor lift 12. Then start the servo motor 2. The servo motor 2 drives the threaded rod 19 to rotate. The threaded rod 19 drives the moving sleeve 24 to move to the right. The moving sleeve 24 drives the three rectangular plates 15 to move to the right through the two connecting plates 20, so that the three bushings 8 enter the three shaft holes on the scissor lift 12. By setting the servo motor 2, the threaded rod 19, the moving sleeve 24, and the connecting plates 20, the depth of the three bushings 8 inside the shaft holes can be flexibly adjusted through the three rectangular plates 15, improving the rapidity of the accurate cooperation between the scissor lift and the bushing before welding, saving time, and improving the welding efficiency. Then the staff can weld the scissor lift 12 and the bushing 8 through the electric welding machine 22.

[0047] Working principle: When using the scissor bar welding device of the aerial platform, first place the fixed bar 7 on the rectangular plate 15, and then start the first double-axis cylinder 5. The front and rear telescopic ends of the first double-axis cylinder 5 drive the two rectangular clamping plates 18 to move towards each other through the two first fixing plates 6 to fix the fixed bar 7. Then pick up a bushing 8 and insert the bushing 8 into the outer wall of the front section of the fixed bar 7. Then start the third double-axis cylinder 25, and the upper and lower output ends of the third double-axis cylinder 25 drive the two arc-shaped support plates 26 to move away from each other to fix the bushing 8 by using tension. This not only eliminates the need to fix the bushing by hand for welding but also does not cover the outer surface of the bushing 8. The other two installation processes are the same. Then place the scissor bar 12 on the two support plates 13 and make the shaft holes on the scissor bar 12 correspond to the three bushings 8. Start the second double-axis cylinder 10, and the front and rear output ends of the second double-axis cylinder 10 drive the two circular clamping plates 11 to move towards each other through the two second fixing plates 14 to fix the scissor bar 12. Then start the servo motor 2, the servo motor 2 drives the threaded rod 19 to rotate, the threaded rod 19 drives the moving sleeve 24 to move to the right, and the moving sleeve 24 drives the three rectangular plates 15 to move to the right through the two connecting plates 20, so that the three bushings 8 enter the three shaft holes on the scissor bar 12. By setting the servo motor 2, the threaded rod 19, the moving sleeve 24 and the connecting plate 20, the depth of the three bushings 8 inside the shaft holes can be flexibly adjusted through the three rectangular plates 15, which improves the rapidity of the accurate cooperation between the scissor bar and the bushing before welding, saves time, and then the staff can weld the scissor bar 12 and the bushing 8 through the electric welding machine 22.

[0048] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art in the technical field, various changes can also be made without departing from the purpose of the present invention.

Claims

1. A scissor rod welding device for a high-altitude platform, characterized in that: include: A fixed base plate (1), a shaft sleeve (8) and a scissor rod (12), wherein the upper surface of the fixed base plate (1) is provided with three slide grooves (16), and the three slide grooves (16) all penetrate the lower surface of the fixed base plate (1); A fixing assembly, the fixing assembly being arranged on the fixing base plate (1); A movable fixing device, the movable fixing device is arranged on the fixed base plate (1), the movable fixing device comprises an L-shaped fixing plate (3), the L-shaped fixing plate (3) is fixedly connected to the lower surface of the fixed base plate (1), and a servo motor (2) is fixedly connected to the L-shaped portion of the L-shaped fixing plate (3); The output end of the servo motor (2) rotates and passes through the right side of the L-shaped fixed plate (3), the output end of the servo motor (2) is fixedly connected to a threaded rod (19), the right end of the threaded rod (19) is rotatably connected to a third fixed plate (21), and the third fixed plate (21) is fixedly connected to the fixed bottom plate (1).

2. The scissor rod welding device for an aerial platform according to claim 1, characterized in that: The outer wall of the threaded rod (19) is threadedly sleeved with a movable sleeve (24), and the front and rear surfaces of the movable sleeve (24) are fixedly connected with a connecting plate (20); The upper surfaces of the two connecting plates (20) and the movable sleeve (24) are fixedly connected with rectangular plates (15), and the three rectangular plates (15) respectively slide through the inner walls of the corresponding sliding grooves (16).

3. The scissor rod welding device for an aerial platform according to claim 2, characterized in that: The three rectangular plates (15) are each provided with a first mounting hole, and the inner walls of the three first mounting holes are each fixedly connected with a first dual-axis cylinder (5); The front and rear output ends of the three first dual-axis cylinders (5) are all fixedly connected to the first fixing plate (6), and the three front and rear opposite surfaces corresponding to the first fixing plate (6) are all fixedly connected to the rectangular clamping plate (18).

4. The scissor rod welding device for an aerial platform according to claim 2, characterized in that: The three rectangular plates (15) are each provided with a fixing rod (7), the three fixing rods (7) are each provided with a second mounting hole, the inner walls of the three second mounting holes are each fixedly connected to a third double-axis cylinder (25), and the upper and lower output ends of the three third double-axis cylinders (25) are each fixedly connected to an arc-shaped support plate (26).

5. The scissor rod welding device for an aerial platform according to claim 1, characterized in that: The fixing assembly comprises a support plate (13), the support plate (13) is fixedly connected to the upper surface of the fixing base plate (1), a third mounting hole is provided on the support plate (13), and a second dual-axis cylinder (10) is fixedly connected inside the third mounting hole; Wherein, the left and right output ends of the second dual-axis cylinder (10) are both fixedly connected to second fixing plates (14), and the opposite surfaces of the two second fixing plates (14) are both fixedly connected to circular clamping plates (11); There are two fixing components, the structures of the two fixing components are completely the same, and the two fixing components are arranged in a front-to-back correspondence.

6. The scissor rod welding device for an aerial platform according to claim 1, characterized in that: Four supporting legs (17) are fixedly connected to the lower surface of the fixed base plate (1), and an L-shaped connecting plate (23) is fixedly connected to the lower surface of the fixed base plate (1); The L-shaped portion of the L-shaped connecting plate (23) is fixedly connected to an electric welder (22), and the upper surface of the fixed bottom plate (1) is fixedly connected to three waste collection boxes (9).

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