Assembling and welding device for suspension arm of truck-mounted crane

Abstract

The invention belongs to the technical field of truck-mounted crane jib manufacturing, and particularly relates to a truck-mounted crane jib assembling and welding device which comprises a base, and a clamping mechanism used for fixing two V-shaped plates and two rectangular plates is arranged on the base; the base is further provided with a V-shaped area surrounding mechanism used for intercepting welding slag generated in the welding process. By means of the V-shaped area surrounding mechanism, after a V-shaped plate and a rectangular plate are fixed and assembled into a complete hexagonal prism suspension arm, a welding seam area can be surrounded through mutual cooperation of a slag collecting box, a first plate body, a second plate body and a third plate body before welding, then welding work is conducted, and the welding efficiency is improved. Splashing welding slag in the welding process can be intercepted by the slag collecting box, the first plate body, the second plate body and the third plate body, the welding slag can fall into the slag collecting box under the action of gravity, and therefore the situation that the welding slag is splashed to the area outside the welding seam is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of manufacturing a truck-mounted crane arm, in particular to an assembly welding device for a truck-mounted crane arm. Background Art

[0002] A truck crane is a device that uses a hydraulic lifting and telescopic system to achieve the lifting, rotation and hoisting of goods. It is usually installed on a truck or a special chassis, and the boom is the key component of the truck crane to achieve cargo lifting. Since the boom of a truck crane usually adopts a hexagonal prism structure, during the production process of the boom of a truck crane, two V-shaped plates and two rectangular plates are usually assembled into a complete hexagonal prism structure, and then the joints of the V-shaped plates and the rectangular plates are welded to form a complete boom.

[0003] The patent with the announcement number CN116329839A discloses a vehicle-mounted crane arm assembly welding device, including a gantry frame, an arm welding mechanism that can be lifted and lowered at the top of the middle part of the gantry frame, and an arm conveying mechanism that can move through the gantry frame. The arm welding mechanism includes a screw lift installed on the gantry frame, a pair of flip rods that can be flipped at the output end of the screw lift, a driving component 1 that drives the two flip rods to rotate, a welding gun that can rotate in multiple directions and is arranged on the flip rod, and an adjustment component that controls the rotation angle position of the welding gun in each direction. The arm conveying mechanism includes a conveying rail, a front car body and a rear car body that move on the conveying rail, a driving component 2 that drives the front car body and the rear car body to move forward and backward, a support frame fixed on the front car body and the rear car body, a rotating box that rotates on the two support frames, a driving component 3 that drives the two rotating boxes to rotate, and a pair of arm plate fixing assembly components that are respectively arranged on the two rotating boxes. The advantages of this patent are: it can automatically and quickly assemble and weld the vehicle-mounted crane arm.

[0004] However, the above technical solution still has the following deficiencies in practical application:

[0005] Since the joints between the V-shaped plate and the rectangular plate need to be welded, the welding slag generated during the welding process will splash to areas outside the weld, which will not only easily pollute the surrounding environment, but also cause the welding slag to adhere to the inner and outer surfaces of the boom, affecting the appearance quality of the boom. In addition, the welding slag may be relatively scattered, and subsequent cleaning will be more time-consuming and labor-intensive.

[0006] To this end, the present invention provides a vehicle-mounted crane boom assembly welding device. Summary of the invention

[0007] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the present invention proposes a vehicle-mounted crane boom assembly welding device.

[0008] The technical solution adopted by the present invention to solve the technical problem is: a vehicle-mounted crane arm assembly welding device, comprising a base, on which a clamping mechanism for fixing two V-shaped plates and two rectangular plates is provided;

[0009] The base is also provided with a V-shaped area enclosing mechanism for intercepting welding slag generated during the welding process;

[0010] The V-shaped area surrounding mechanism includes a sliding column slidably connected to one side of the upper end surface of the base, the upper end of the sliding column is fixedly connected to a slag collecting box, the right end surface of the slag collecting box is fixedly connected to a plate body three, the right end surface of the slag collecting box is slidably connected to a limit rod, the limit rod is sleeved and slidably connected to a sliding sleeve, one side of the sliding sleeve is fixedly connected to a guide column, a V-shaped groove is provided on the plate body three, the guide column passes through the V-shaped groove and can slide in the V-shaped groove, one end of the guide column is fixedly connected to a plate body one, and a threaded block one is slidably connected to one side of the lower end surface of the slag collecting box, and two sliding rods two are slidably connected to one side of the threaded block one, and one end of the sliding rod two is fixedly connected to the plate body two;

[0011] One side of the threaded block is fixedly connected to a slide rod one, the slide rod one is slidably connected to a threaded block two, one side of the threaded block two is slidably connected to two slide rods three, one end of the slide rod three is fixedly connected to a mounting block, and one side of the mounting block is fixedly connected to a welding gun.

[0012] The two ends of the two wheels are fixedly connected to the driving mechanism, and the two wheels are connected with the driving mechanism, and the two wheels are connected with the driving mechanism.

[0013] Preferably, two ends of the frame body 2 are rotatably provided with a bidirectional threaded rod 1, both sides of the bidirectional threaded rod 1 are threadedly connected to one end of a clamping plate 1, one end of the frame body 2 is fixedly connected to a motor 8, the output end of the motor 8 is fixedly connected to one end of the bidirectional threaded rod 1, one side of the clamping plate 1 is rotatably provided with a threaded rod 5, the threaded rod 5 is threadedly connected to one end of the clamping plate 2, one side of the clamping plate 1 is fixedly connected to a motor 9, and the output end of the motor 9 is fixedly connected to one end of the threaded rod 5.

[0014] Preferably, a motor 1 is fixedly connected to one side of the right end surface of the pillar, and an output end of the motor 1 is fixedly connected to the middle part of one side of the frame body 1.

[0015] Preferably, one side of the threaded block 2 is fixedly connected to an electric push rod 2, the piston end of the electric push rod 2 is fixedly connected to one side of the mounting block, one side of the threaded block 2 is threadedly connected to a threaded rod 3, one end of the threaded rod 3 is rotatably set on the threaded block 1, one side of the threaded block 1 is fixedly connected to a motor 5, and the output end of the motor 5 is fixedly connected to one end of the threaded rod 3.

[0016] Preferably, one side of the threaded block is fixedly connected to an electric push rod one, and the piston end of the electric push rod one is fixedly connected to one side of the plate body two.

[0017] Preferably, one end of the threaded block is threadedly connected to a threaded rod four, both ends of the threaded rod four are rotatably arranged on the slag collecting box, one end of the slag collecting box is fixedly connected to a motor three, and the output end of the motor three is fixedly connected to one end of the threaded rod four.

[0018] Preferably, a push block is slidably connected to the inner side of the slag collecting box, the bottom of the push block is in contact with the inner bottom of the slag collecting box, one end of the push block is threadedly connected to a threaded rod 2, both ends of the threaded rod 2 are rotatably arranged on the slag collecting box, one end of the slag collecting box is fixedly connected to a motor 4, and the output end of the motor 4 is fixedly connected to one end of the threaded rod 2.

[0019] Preferably, a threaded rod 1 is threadedly connected to one side of the lower end of the sliding column, both ends of the threaded rod 1 are rotatably arranged on the base, a motor 2 is fixedly connected to one side of the upper end surface of the base, and the output end of the motor 2 is fixedly connected to one end of the threaded rod 1.

[0020] Preferably, a slide rod is rotatably provided on one side of the right end face of the plate body three, the guide column is inserted into the slide groove of the slide rod and is slidably connected thereto, a motor six is ​​fixedly connected to one side of the right end face of the plate body three, and the output end of the motor six is ​​fixedly connected to one end of the slide rod.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. The invention relates to a vehicle-mounted crane arm assembly welding device, wherein two V-shaped plates are placed between a clamping plate 1 and a clamping plate 2 on both sides, and the angle of the V-shaped plate is aligned with the angle of the clamping plate 1 and the clamping plate 2, and then a motor 9 is used to drive a threaded rod 5 to rotate to move the clamping plate 2, so that the V-shaped plate can be clamped by the clamping plate 1 and the clamping plate 2, and then two rectangular plates are placed between a clamping plate 4 and a clamping plate 3, and a motor 10 is used to drive a threaded rod 6 to rotate to move the clamping plate 4, so that the rectangular plate can be clamped by the clamping plate 3 and the clamping plate 4, and the clamping plate 4 and the clamping plate 3 clamp the middle area of ​​the rectangular plate. Domain, and the end faces of both sides of the clamping plate four are at the same distance from the end faces of both sides of the rectangular plate, and then the motor seven is used to drive the two-way threaded rod two to rotate, and the motor eight drives the two-way threaded rod one to rotate, so that the two clamping plates three are close to each other, and the two clamping plates one are close to each other, until the V-shaped plate and the edge of the rectangular plate are fitted together. At this time, the two V-shaped plates and the two rectangular plates form a complete hexagonal prism, and the joints of the V-shaped plates and the rectangular plates can be welded, thereby realizing the positioning and assembly effect of the two V-shaped plates and the two rectangular plates, thereby ensuring the stability during the welding process.

[0023] 2. The vehicle-mounted crane arm assembly welding device described in the present invention utilizes a V-shaped area surrounding mechanism. When the V-shaped plate and the rectangular plate are fixed and assembled into a complete hexagonal prism arm, the weld area can be surrounded by the cooperation of the slag collecting box, plate body one, plate body two, and plate body three before welding, and then the welding work can be carried out. The welding slag splashed during the welding process will be intercepted by the slag collecting box, plate body one, plate body two, and plate body three, and the welding slag will fall into the slag collecting box under the action of gravity, thereby avoiding the situation where the welding slag splashes to areas other than the weld, ensuring the cleanliness of the surrounding environment and the inner and outer surfaces of the arm, and improving the appearance quality of the arm. In addition, since the welding slag is only concentrated in the surrounding circle, it is also convenient and labor-saving to clean up later. In addition, when welding at a weld is completed, the plate body two and the welding gun are driven away from the weld, and the guide The column moves along the V-shaped groove, and the edge of the plate body can be used to scrape the residual welding slag in the V-shaped area of ​​the boom until the plate body is in contact with the upper end surface of the slag collecting box. At this time, the welding slag in the V-shaped area has been scraped into the slag collecting box, and the welding slag in the V-shaped area of ​​the boom can be removed, thereby avoiding the situation that when the boom rotates, the welding slag slides to the non-weld area of ​​the boom with the rotation of the boom, thereby affecting the appearance quality of the boom. In addition, after a certain amount of welding slag is accumulated inside the slag collecting box, the pushing block can be driven to move horizontally from left to right to push the welding slag inside the slag collecting box to the right until the welding slag is concentrated at the right end of the slag collecting box. The welding slag is concentrated, and the staff can easily clean the welding slag inside the slag collecting box, thereby avoiding the situation that when cleaning the welding slag inside the slag collecting box, the welding slag is distributed in various positions inside the slag collecting box, which makes cleaning more cumbersome. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0026] Figure 2 yes Figure 1 A partial enlarged view of the middle part;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure of two parts of the plate;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the push block;

[0029] Figure 5 It is a schematic diagram of a three-dimensional structure of the plate;

[0030] Figure 6 yes Figure 5 A partial enlarged view of point B in the middle;

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure of the thread block at two locations;

[0032] Figure 8 It is a schematic diagram of the three-dimensional structure of the board;

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure at the support;

[0034] Fig.10 This is a schematic diagram of the three-dimensional structure of the slag collecting box;

[0035] Fig.11 It is a schematic diagram of the three-dimensional structure of the splint;

[0036] Fig.12 It is a schematic diagram of the three-dimensional structure of a splint.

[0037] In the figure: 1, base; 2, support; 3, motor 1; 4, motor 2; 5, threaded rod 1; 6, slide column; 7, plate 1; 8, slag collecting box; 9, motor 3; 10, push block; 11, motor 4; 12, threaded rod 2; 13, threaded block 1; 14, motor 5; 15, slide rod 1; 16, threaded rod 3; 17, electric push rod 1; 18, slide rod 2; 19, plate 2; 20, threaded rod 4; 21, slide rod; 22, guide column; 23, motor 6; 24, plate 3; 25, limit rod; 26 , sleeve; 27, V-groove; 28, threaded block two; 29, electric push rod two; 30, slide rod three; 31, mounting block; 32, welding gun; 33, frame one; 34, motor seven; 35, motor eight; 36, frame two; 37, two-way threaded rod one; 38, slide rod four; 39, clamp one; 40, clamp two; 41, motor nine; 42, threaded rod five; 43, slide rod five; 44, motor ten; 45, clamp three; 46, threaded rod six; 47, clamp four; 48, two-way threaded rod two; 49, slide rod six. DETAILED DESCRIPTION

[0038] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Please refer to Figure 1-Figure 12 , the present invention provides a technical solution: a vehicle-mounted crane boom assembly welding device, comprising a base 1, on which a clamping mechanism for fixing two V-shaped plates and two rectangular plates is provided;

[0040] The base 1 is also provided with a V-shaped area enclosing mechanism for intercepting welding slag generated during the welding process;

[0041] The V-shaped area enclosing mechanism includes a sliding column 6 slidably connected to one side of the upper end surface of the base 1, a slag collecting box 8 is fixedly connected to the upper end of the sliding column 6, a plate body 3 24 is fixedly connected to the right end surface of the slag collecting box 8, a limiting rod 25 is slidably connected to the right end surface of the slag collecting box 8, a sliding sleeve 26 is sleeved and slidably connected to the limiting rod 25, a guide column 22 is fixedly connected to one side of the sliding sleeve 26, a V-shaped groove 27 is provided on the plate body 3 24, the guide column 22 passes through the V-shaped groove 27 and can slide at the V-shaped groove 27, one end of the guide column 22 is fixedly connected to the plate body 1 7, one side of the lower end surface of the slag collecting box 8 is slidably connected to a threaded block 13, one side of the threaded block 13 is slidably connected to two sliding rods 2 18, and one end of the sliding rod 2 18 is fixedly connected to the plate body 2 19;

[0042] A slide bar 15 is fixedly connected to one side of the threaded block 13, and the slide bar 15 is slidably connected to the threaded block 28. One side of the threaded block 28 is slidably connected to two slide bars 30. One end of the slide bar 30 is fixedly connected to a mounting block 31, and one side of the mounting block 31 is fixedly connected to a welding gun 32.

[0043] In this embodiment, Figure 6 , Fig. 9 , Fig.11 , Fig.12 As shown, the clamping mechanism includes a support 2 fixedly connected to one side of the upper end surface of the base 1, a frame body 33 is rotatably provided on one side of the upper end of the support 2, two ends of the frame body 33 are fixedly connected to a slide bar 6 49, both sides of the slide bar 6 49 are slidably connected to a clamp plate 3 45, one side of the clamp plate 3 45 is slidably connected to a clamp plate 4 47, a middle part of one side of the frame body 33 is fixedly connected to a frame body 2 36, two ends of the frame body 2 36 are fixedly connected to a slide bar 4 38, both sides of the slide bar 4 38 are slidably connected to a clamp plate 1 39, and one side of the clamp plate 1 39 is fixedly connected There is a sliding rod five 43, and the sliding rod five 43 is slidably connected with a clamping plate two 40. Two ends of the frame body 1 33 are rotatably provided with a bidirectional threaded rod two 48. Both sides of the bidirectional threaded rod two 48 are threadedly connected to one side of the clamping plate three 45. One end of the frame body 1 33 is fixedly connected with a motor seven 34, and the output end of the motor seven 34 is fixedly connected to one end of the bidirectional threaded rod two 48. One end of the clamping plate four 47 is threadedly connected with a threaded rod six 46. One side of the clamping plate three 45 is fixedly connected with a motor ten 44, and the output end of the motor ten 44 is fixedly connected to one end of the threaded rod six 46.

[0044] Two ends of the frame body 36 are rotatably provided with a bidirectional threaded rod 37, and both sides of the bidirectional threaded rod 37 are threadedly connected to one end of a clamping plate 39, one end of the frame body 36 is fixedly connected to a motor 8 35, and the output end of the motor 8 35 is fixedly connected to one end of the bidirectional threaded rod 37, one side of the clamping plate 39 is rotatably provided with a threaded rod 5 42, and the threaded rod 5 42 is threadedly connected to one end of the clamping plate 2 40, and one side of the clamping plate 39 is fixedly connected to a motor 9 41, and the output end of the motor 9 41 is fixedly connected to one end of the threaded rod 5 42.

[0045] Specifically, two V-shaped plates are placed between the clamping plates 1 39 and 2 40 on both sides, and the angle of the V-shaped plate is aligned with the angle of the clamping plates 1 39 and 2 40, and then the motor 9 41 is used to drive the threaded rod 5 42 to rotate to move the clamping plate 2 40, so that the clamping plates 1 39 and 2 40 can be used to clamp the V-shaped plate, and then two rectangular plates are placed between the clamping plates 4 47 and 3 45, and the motor 10 44 is used to drive the threaded rod 6 46 to rotate to move the clamping plate 47, so that the clamping plates 3 45 and 4 47 can be used to clamp the rectangular plate, and the clamping plates 4 47 and 3 45 clamp the middle of the rectangular plate. The two sides of the clamping plate 4 47 are at the same distance from the end faces of the two sides of the rectangular plate, and then the motor 7 34 is used to drive the two-way threaded rod 2 48 to rotate, and the motor 8 35 drives the two-way threaded rod 1 37 to rotate, so that the two clamping plates 3 45 are close to each other, and the two clamping plates 1 39 are close to each other, until the V-shaped plate and the edge of the rectangular plate are fitted together. At this time, the two V-shaped plates and the two rectangular plates form a complete hexagonal prism, and the joints of the V-shaped plates and the rectangular plates can be welded, thereby realizing the positioning and assembly effect of the two V-shaped plates and the two rectangular plates, thereby ensuring the stability during the welding process.

[0046] In this embodiment, Figure 1-Figure 8 , Fig.10 As shown, a motor 3 is fixedly connected to one side of the right end surface of the support 2, and an output end of the motor 3 is fixedly connected to the middle part of one side of the frame 33.

[0047] One side of the threaded block 28 is fixedly connected to an electric push rod 29, the piston end of the electric push rod 29 is fixedly connected to one side of the mounting block 31, one side of the threaded block 28 is threadedly connected to a threaded rod 3 16, one end of the threaded rod 3 16 is rotatably set on the threaded block 13, one side of the threaded block 13 is fixedly connected to a motor 5 14, and the output end of the motor 5 14 is fixedly connected to one end of the threaded rod 3 16.

[0048] One side of the threaded block 13 is fixedly connected with an electric push rod 17, and the piston end of the electric push rod 17 is fixedly connected to one side of the plate body 2 19.

[0049] One end of the threaded block 13 is threadedly connected to a threaded rod 4 20, both ends of the threaded rod 4 20 are rotatably set on the slag collecting box 8, one end of the slag collecting box 8 is fixedly connected to a motor 3 9, and the output end of the motor 3 9 is fixedly connected to one end of the threaded rod 4 20.

[0050] A push block 10 is slidably connected to the inner side of the slag collecting box 8, and the bottom of the push block 10 is fitted with the inner bottom of the slag collecting box 8. One end of the push block 10 is threadedly connected to a threaded rod 2 12, and both ends of the threaded rod 2 12 are rotatably set on the slag collecting box 8. One end of the slag collecting box 8 is fixedly connected to a motor 4 11, and the output end of the motor 4 11 is fixedly connected to one end of the threaded rod 2 12.

[0051] A threaded rod 5 is threadedly connected to one side of the lower end of the sliding column 6. Both ends of the threaded rod 5 are rotatably set on the base 1. A motor 2 4 is fixedly connected to one side of the upper end surface of the base 1. The output end of the motor 2 4 is fixedly connected to one end of the threaded rod 5.

[0052] A slide rod 21 is rotatably provided on one side of the right end surface of the plate body three 24, and the guide column 22 is inserted into the slide groove of the slide rod 21 and is slidably connected thereto. A motor six 23 is fixedly connected to one side of the right end surface of the plate body three 24, and the output end of the motor six 23 is fixedly connected to one end of the slide rod 21.

[0053] Specifically, during the use of the existing vehicle-mounted crane arm assembly welding device, since it is necessary to weld the joints of the V-shaped plate and the rectangular plate, the welding slag generated during the welding process will splash to the area outside the weld, which not only easily pollutes the surrounding environment, but also causes the welding slag to adhere to the inner and outer surfaces of the arm, affecting the appearance quality of the arm, and the welding slag may be relatively scattered, and subsequent cleaning is also relatively time-consuming and laborious;

[0054] Therefore, in order to solve the above problem, when the present embodiment is in use, after the V-shaped plate and the rectangular plate are fixed and assembled into a complete hexagonal prism boom, the motor 2 4 is used to drive the threaded rod 1 5 to rotate, so that the sliding column 6 slides, and the slag collecting box 8 is moved closer to the boom. In addition, since the right end surface of the boom is flush with the right end surface of the slag collecting box 8, and the plate body 1 7 is flush with the front and rear edges of the slag collecting box 8, when the slag collecting box 8 is in contact with the boom, the plate body 1 7 is also in contact with the boom. , and the angle of one side of the plate body 3 24 fits with the angle of the boom, and according to the length of the boom, the motor 3 9 is used to drive the threaded rod 4 20 to rotate, so that the threaded block 13 moves horizontally, and the position of the plate body 2 19 is adjusted until the left end surface of the plate body 2 19 is flush with the left end surface of the boom, and the electric push rod 17 is used to drive the plate body 2 19 to approach the boom, so that the angle of one side of the plate body 2 19 fits with the angle of the left side of the boom. At this time, the slag box 8, the plate body 1 7, and the plate body 2 1 9. Under the action of plate body three 24, the weld area is surrounded, and then the electric push rod two 29 is used to drive the mounting block 31 to move, so that the welding gun 32 is close to the weld and welding work is carried out. At the same time, the motor five 14 is used to drive the threaded rod three 16 to rotate, so that the threaded block two 28 is moved horizontally to change the lateral position of the welding gun 32, so that the joint can be welded evenly. The welding slag splashed during the welding process will be intercepted by the slag collecting box 8, plate body one 7, plate body two 19, and plate body three 24, and the welding slag will fall into the slag collecting box 8 under the action of gravity, thereby avoiding the situation where the welding slag splashes to the area outside the weld, ensuring the cleanliness of the surrounding environment and the inner and outer surfaces of the boom, and improving the appearance quality of the boom. In addition, since the welding slag is only concentrated in the encirclement, it is also convenient and labor-saving when cleaning later. Since the weld has four sides, the motor one 3 can be used to drive the boom to rotate to make the welds in different directions in the encirclement.

[0055] In order to facilitate workers to observe the welding situation and to facilitate the movement of the welding gun 32 to the weld area, it is necessary to keep a certain distance between the plate body 7 and the slag collecting box 8 and the weld area while surrounding the weld area, so as to facilitate workers to observe the weld area from the gap between the plate body 7 and the slag collecting box 8 and to facilitate the movement of the welding gun 32 in the weld area. Since there is a certain distance between the plate body 7, the slag collecting box 8 and the weld area, a V-shaped area will be generated between the plate body 7 and the slag collecting box 8. During the welding process, although part of the welding slag will fall into the slag collecting box 8 under the action of gravity, part of the welding slag has a strong adhesion and will still adhere to the V-shaped area. When the boom rotates, the welding slag in this area will slide to the non-weld area of ​​the boom with the rotation of the boom, thereby affecting the appearance quality of the boom. Therefore, In order to avoid this situation, when welding at a weld is completed, the plate body 2 19 and the welding gun 32 are driven away from the weld, and the motor 6 23 is used to drive the slide rod 21 to rotate, so that the guide column 22 can move along the V-shaped groove 27. At the same time, the sliding sleeve 26 slides on the limit rod 25, and the bottom of the limit rod 25 slides on the slag collecting box 8, so that the plate body 1 7 can move along the V-shaped track while keeping a straight state, and the edge of the plate body 1 7 can be used to scrape the welding slag remaining in the V-shaped area until the plate body 1 7 fits with the upper end surface of the slag collecting box 8. At this time, the welding slag in the V-shaped area has been scraped into the slag collecting box 8, and the welding slag in the V-shaped area can be removed, thereby avoiding the situation that when the boom rotates, the welding slag slides to the non-weld area of ​​the boom with the rotation of the boom, thereby affecting the appearance quality of the boom;

[0056] The slag collecting box 8 is a kind of welding slag collecting box, and the welding slag collecting box 8 is a kind of welding slag collecting box.

[0057] Working principle: two V-shaped plates are placed between the clamping plate 1 39 and the clamping plate 2 40 on both sides, and the angle of the V-shaped plate is aligned with the angle of the clamping plate 1 39 and the clamping plate 2 40, and then the motor 9 41 is used to drive the threaded rod 5 42 to rotate to move the clamping plate 2 40, and the V-shaped plate can be clamped by the clamping plate 1 39 and the clamping plate 2 40, and then the two rectangular plates are placed between the clamping plate 4 47 and the clamping plate 3 45, and the motor 10 44 is used to drive the threaded rod 6 46 to rotate to move the clamping plate 4 47, and the clamping plate 3 45 and the clamping plate 4 47 and the clamping plate 3 45 clamp the middle area of ​​the rectangular plate, and the end faces of the two sides of the clamping plate 4 47 are at the same distance from the end faces of the two sides of the rectangular plate, and then the motor 7 34 is used to drive the two-way The threaded rod 2 48 rotates, and the motor 8 35 drives the bidirectional threaded rod 1 37 to rotate, so that the two clamping plates 3 45 approach each other, and the two clamping plates 1 39 approach each other until the V-shaped plate fits the edge of the rectangular plate. At this time, the two V-shaped plates and the two rectangular plates form a complete hexagonal prism, and the joints of the V-shaped plates and the rectangular plates can be welded, thereby achieving the positioning and assembly effect of the two V-shaped plates and the two rectangular plates, thereby ensuring the stability of the welding process. When the V-shaped plates and the rectangular plates are fixed and assembled into a complete hexagonal prism boom, the motor 2 4 is used to drive the threaded rod 1 5 to rotate, so that the sliding column 6 slides, so that the slag collecting box 8 approaches the boom, and because the right end face of the boom is aligned with the right end face of the slag collecting box 8 The plate body 17 is flush with the front and rear edges of the slag collecting box 8. Therefore, when the slag collecting box 8 is fitted with the boom, the plate body 17 is also fitted with the boom, and the angle on one side of the plate body 3 24 is fitted with the angle of the boom, and according to the length of the boom, the motor 3 9 is used to drive the threaded rod 4 20 to rotate, so that the threaded block 13 moves horizontally, and the position of the plate body 2 19 is adjusted until the left end face of the plate body 2 19 is flush with the left end face of the boom, and the electric push rod 17 is used to drive the plate body 2 19 to approach the boom, so that the angle on one side of the plate body 2 19 is fitted with the angle on the left side of the boom. At this time, the weld area can be surrounded by the action of the slag collecting box 8, the plate body 17, the plate body 2 19, and the plate body 3 24, and then the electric push rod 29 is used to drive the mounting block 31 to move, so that the welding gun 32 is close to the weld, and During welding, the motor 5 14 is used to drive the threaded rod 3 16 to rotate, so that the threaded block 2 28 moves horizontally to change the horizontal position of the welding gun 32, so that the joint can be welded evenly. The welding slag splashed during the welding process will be intercepted by the slag collecting box 8, the plate 1 7, the plate 2 19, and the plate 3 24, and the welding slag will fall into the slag collecting box 8 under the action of gravity, thereby avoiding the situation where the welding slag splashes to areas other than the weld, ensuring the cleanliness of the surrounding environment and the inner and outer surfaces of the boom, and improving the appearance quality of the boom. In addition, since the welding slag is only concentrated in the encirclement, it is also convenient and labor-saving to clean it later. Since the weld has four sides, the motor 1 3 can be used to drive the boom to rotate, so that the welds in different directions are in the encirclement.In order to facilitate workers to observe the welding conditions and to facilitate the movement of the welding gun 32 to the weld area, it is necessary to keep a certain distance between the plate body 7 and the slag collecting box 8 and the weld area while surrounding the weld area, so as to facilitate workers to observe the weld area from the gap between the plate body 7 and the slag collecting box 8 and to facilitate the movement of the welding gun 32 in the weld area. Since there is a certain distance between the plate body 7, the slag collecting box 8 and the weld area, a V-shaped area will be generated between the plate body 7 and the slag collecting box 8. During the welding process, although some welding slag will fall into the slag collecting box 8 under the action of gravity, some welding slag has a strong adhesion and will still adhere to the V-shaped area. When the boom rotates, the welding slag in this area will slide to the non-weld area of ​​the boom with the rotation of the boom, thereby affecting the appearance quality of the boom. Therefore, in order to avoid this situation, after the welding at one weld is completed, the plate body 2 19 and the welding gun 32 are driven away from the weld, and the motor 6 23 is used to drive the slide rod 21 to rotate, so that the guide column 22 can move along the V-shaped groove 27. At the same time, the sliding sleeve 26 slides on the limiting rod 25, and the bottom of the limiting rod 25 slides on the slag collecting box 8, so that the plate body 7 can move along the V-shaped track while keeping it straight. The edge of the plate body 7 can be used to scrape the welding slag remaining in the V-shaped area until the plate body 7 and the The upper end surface of the slag collecting box 8 is fitted, and at this time, the welding slag in the V-shaped area has been scraped into the slag collecting box 8, so the welding slag in the V-shaped area can be removed, thereby avoiding the situation that the welding slag slides to the non-weld area of ​​the boom as the boom rotates, thereby affecting the appearance quality of the boom; when the four welds of the boom are welded, the boom is removed, and in order to ensure the subsequent collection effect of the slag collecting box 8 on the welding slag, the welding slag in the slag collecting box 8 needs to be cleaned, and because the boom is long, the slag collecting box 8 is also long. When the welding slag is distributed at various positions inside the slag collecting box 8, the workers will improve their cleaning efficiency of the welding slag inside the slag collecting box 8. The difficulty of handling is high, and even if the slag box 8 is directly dumped, a long receiving container is required for receiving, which is relatively cumbersome. Therefore, in order to avoid this situation, after a certain amount of welding slag is accumulated inside the slag box 8, the motor 4 11 can be used to drive the threaded rod 2 12 to rotate, so that the push block 10 moves horizontally from left to right to push the welding slag inside the slag box 8 to the right until the welding slag is concentrated at the right end of the slag box 8. The welding slag is concentrated, and the staff can easily clean the welding slag inside the slag box 8, thereby avoiding the situation that the welding slag inside the slag box 8 is distributed in various positions inside the slag box 8, which makes the cleaning more cumbersome. ;

[0058] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A vehicle-mounted crane arm assembly welding device, comprising a base (1), characterized in that: The base (1) is provided with a clamping mechanism for fixing the two V-shaped plates and the two rectangular plates; The base (1) is also provided with a V-shaped area surrounding mechanism for intercepting welding slag generated during the welding process; The V-shaped area surrounding mechanism comprises a sliding column (6) slidably connected to one side of the upper end surface of the base (1); a slag collecting box (8) is fixedly connected to the upper end of the sliding column (6); a plate body three (24) is fixedly connected to the right end surface of the slag collecting box (8); a limit rod (25) is slidably connected to the right end surface of the slag collecting box (8); a sliding sleeve (26) is sleeved on and slidably connected to the limit rod (25); a guide column (22) is fixedly connected to one side of the sliding sleeve (26); A V-shaped groove (27) is provided on the plate body three (24), the guide column (22) passes through the V-shaped groove (27) and can slide at the V-shaped groove (27), one end of the guide column (22) is fixedly connected to the plate body one (7), one side of the lower end surface of the slag collecting box (8) is slidably connected to a threaded block one (13), one side of the threaded block one (13) is slidably connected to two sliding rods two (18), and one end of the sliding rod two (18) is fixedly connected to the plate body two (19); One side of the threaded block one (13) is fixedly connected to a slide rod one (15), the slide rod one (15) is slidably connected to a threaded block two (28), one side of the threaded block two (28) is slidably connected to two slide rods three (30), one end of the slide rod three (30) is fixedly connected to a mounting block (31), and one side of the mounting block (31) is fixedly connected to a welding gun (32).

2. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: The clamping mechanism comprises a pillar (2) fixedly connected to one side of the upper end surface of the base (1); a frame body (33) is rotatably provided on one side of the upper end of the pillar (2); two ends of the frame body (33) are fixedly connected to sliding rods (49); two sides of the sliding rods (49) are slidably connected to clamp plates (45); one side of the clamp plates (45) is slidably connected to clamp plates (47); a middle part of one side of the frame body (33) is fixedly connected to a frame body (36); two ends of the frame body (36) are fixedly connected to sliding rods (38); two sides of the sliding rods (38) are slidably connected to clamp plates (39); one side of the clamp plates (39) is fixedly connected to Slide rod five (43), the slide rod five (43) is slidably connected with clamp plate two (40), two ends of the frame body one (33) are rotatably provided with bidirectional threaded rod two (48), both sides of the bidirectional threaded rod two (48) are threadedly connected with one side of clamp plate three (45), one end of the frame body one (33) is fixedly connected with motor seven (34), the output end of motor seven (34) is fixedly connected with one end of bidirectional threaded rod two (48), one end of clamp plate four (47) is threadedly connected with threaded rod six (46), one side of clamp plate three (45) is fixedly connected with motor ten (44), the output end of motor ten (44) is fixedly connected with one end of threaded rod six (46).

3. The vehicle-mounted crane arm assembly welding device according to claim 1 is characterized in that: Two ends of the frame body 2 (36) are rotatably provided with a bidirectional threaded rod 1 (37), and both sides of the bidirectional threaded rod 1 (37) are threadedly connected to one end of a clamping plate 1 (39). One end of the frame body 2 (36) is fixedly connected with a motor 8 (35), and the output end of the motor 8 (35) is fixedly connected to one end of the bidirectional threaded rod 1 (37). One side of the clamping plate 1 (39) is rotatably provided with a threaded rod 5 (42), and the threaded rod 5 (42) is threadedly connected to one end of the clamping plate 2 (40). One side of the clamping plate 1 (39) is fixedly connected with a motor 9 (41), and the output end of the motor 9 (41) is fixedly connected to one end of the threaded rod 5 (42).

4. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: A motor (3) is fixedly connected to one side of the right end surface of the support (2), and an output end of the motor (3) is fixedly connected to the middle part of one side of the frame (33).

5. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: One side of the threaded block 2 (28) is fixedly connected to an electric push rod 2 (29), a piston end of the electric push rod 2 (29) is fixedly connected to one side of the mounting block (31), one side of the threaded block 2 (28) is threadedly connected to a threaded rod 3 (16), one end of the threaded rod 3 (16) is rotatably arranged on the threaded block 1 (13), one side of the threaded block 1 (13) is fixedly connected to a motor 5 (14), an output end of the motor 5 (14) is fixedly connected to one end of the threaded rod 3 (16).

6. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: One side of the threaded block (13) is fixedly connected to an electric push rod (17), and the piston end of the electric push rod (17) is fixedly connected to one side of the plate body (19).

7. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: One end of the threaded block 1 (13) is threadedly connected to a threaded rod 4 (20), both ends of the threaded rod 4 (20) are rotatably arranged on the slag collecting box (8), one end of the slag collecting box (8) is fixedly connected to a motor 3 (9), and the output end of the motor 3 (9) is fixedly connected to one end of the threaded rod 4 (20).

8. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: A push block (10) is slidably connected to the inner side of the slag collecting box (8), the bottom of the push block (10) is in contact with the inner bottom of the slag collecting box (8), one end of the push block (10) is threadedly connected to a second threaded rod (12), both ends of the second threaded rod (12) are rotatably arranged on the slag collecting box (8), one end of the slag collecting box (8) is fixedly connected to a fourth motor (11), and the output end of the fourth motor (11) is fixedly connected to one end of the second threaded rod (12).

9. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: A threaded rod (5) is threadedly connected to one side of the lower end of the slide column (6); both ends of the threaded rod (5) are rotatably arranged on the base (1); a motor (4) is fixedly connected to one side of the upper end surface of the base (1); and an output end of the motor (4) is fixedly connected to one end of the threaded rod (5).

10. The vehicle-mounted crane arm assembly welding device according to claim 1, characterized in that: A slide rod (21) is rotatably arranged on one side of the right end surface of the plate body three (24), the guide column (22) is inserted into the slide groove of the slide rod (21) and is slidably connected thereto, a motor six (23) is fixedly connected to one side of the right end surface of the plate body three (24), and the output end of the motor six (23) is fixedly connected to one end of the slide rod (21).

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