Crank arm ladder truck rotary table assembly assembling tool

Abstract

The utility model relates to the technical field of tools, in particular to a crank arm ladder truck rotary table assembly assembling tool which comprises a workbench, and a plurality of brackets are arranged on the upper end face of the workbench; a rear blocking structure is arranged on the upper end face of the portion, on one side of the bracket, of the workbench in a fixed structure mode, side jacking mechanisms are arranged on the two sides of the rear blocking structure, and lug plate positioning structures are arranged on the portions, on one sides of the side jacking mechanisms, of the workbench in a fixed structure mode. A front positioning mechanism and three pressing arms are arranged on the upper end face, opposite to the rear blocking structure, of the working table in a sliding structure mode, the three pressing arms are connected with the working table in a hinged structure mode, and the working table is provided with a power piece A used for driving the pressing arms to rotate around hinged points. The bottom plate, the side plate and the reinforcing connecting plate of the crank arm ladder truck rotary table assembly are limited in all directions, the assembly accuracy is guaranteed, and the product assembly quality is improved.

Description

Technical fields:

[0001] This application relates to the field of tooling technology, and in particular to tooling for the turntable assembly of an articulated boom lift. Background technology:

[0002] The utility model patent with application number CN202021324000.4—positioning and welding fixture for articulated boom truck turntable—includes a limiting plate, a pallet positioning component, and a support frame. The front side of the limiting plate has an arc structure, and three positioning holes are provided on the limiting plate. Right-angle slots are provided on both the left and right sides of the limiting plate. In summary, this utility model is mainly composed of components such as a limiting plate, a pallet positioning component, and a support frame. The limiting plate is used to limit the welding position of the two side plates on the base plate, the support frame is used to place the side plates and the pallet positioning component to facilitate welding work, and the pallet positioning component is used to position the welding position of the pallet.

[0003] This utility model uses a limiting plate and a support plate positioning component to achieve the positioning of the turntable. However, the base plate, side plate and reinforcing connecting plate are not positioned at three points, resulting in inaccurate placement of the plates and affecting the assembly quality. Utility Model Content:

[0004] To solve the above-mentioned technical problems, this utility model provides a tooling fixture for assembling the turntable assembly of the articulated boom lift, which addresses the issue of inaccurate placement affecting assembly quality. The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] The tooling for assembling the turntable assembly of the articulated boom lift is characterized by comprising:

[0006] The workbench has several brackets on its upper surface.

[0007] The rear guard structure is fixedly mounted on the upper surface of the workbench on one side of the bracket.

[0008] Side clamping mechanism, with clamping mechanisms on both sides of the rear bumper structure;

[0009] Ear plate positioning structure, the ear plate positioning structure is fixedly set on one side of the side clamping mechanism;

[0010] The limiting block is fixedly installed on one side of the left ear plate positioning structure.

[0011] The front positioning mechanism is connected to the worktable via a sliding structure.

[0012] Three pressure arms are connected to the worktable by a hinge structure. Two pressure arms are located on both sides of the front positioning mechanism, and the other pressure arm is located on the side opposite to the front positioning mechanism.

[0013] The power element A is used for driving the rotation of the pressing arm around the hinge point.

[0014] Further, the rear stop structure comprises a support frame in L-shaped structure, and vertical stop blocks and horizontal supporting blocks are arranged on the two sides of the support frame.

[0015] Further, the support frame comprises two juxtaposed L-shaped plates, and a vertical plate is fixedly arranged between the two L-shaped plates.

[0016] The pressing arm opposite to the front positioning mechanism is arranged between the two L-shaped plates.

[0017] Further, a fixed plate is arranged on the upper end surface of the horizontal section of the L-shaped plate, two parallel connecting rods are arranged on the two sides of the fixed plate respectively, one end of the connecting rod is connected to the fixed plate in a hinged manner, and a vertical support plate is arranged on the other end of the connecting rod in a hinged structure.

[0018] Further, the side clamping mechanism comprises a fixed leg, and an oil cylinder is arranged on the upper end surface of the fixed leg.

[0019] Further, the ear plate positioning structure comprises a supporting leg, and a connecting arm is arranged on the supporting leg in a hinged structure, and a limiting block is arranged on the end of the connecting arm away from the hinge point.

[0020] Further, the front positioning mechanism comprises a mounting seat connected to the sliding workbench, an inner supporting plate is arranged on the front side of the mounting seat, connecting plates are arranged on the left and right sides of the mounting seat in a fixed structure, and side stop blocks are fixedly arranged on the outer portions of the connecting plates.

[0021] Further, a linear slide rail is arranged on the lower portion of the mounting seat, and the mounting seat is connected to the workbench through the linear slide rail.

[0022] The workbench is provided with a power element B for driving the movement of the mounting seat.

[0023] Further, the power element A and the power element B are connected to the workbench in a hinged manner, and the power element A and the power element B are hydraulic oil cylinders or air cylinders.

[0024] The beneficial effects of the utility model are as follows: through the arrangement of the rear stop structure, the side clamping mechanism, the limiting stop block, the front positioning mechanism and the pressing arm, the bottom plate, the side plate and the reinforcing connecting plate of the curved arm aerial work truck rotary table assembly are comprehensively limited, the accuracy of assembly is ensured, and the assembly quality of the product is improved.

[0025] The vertical support plates are arranged on the two sides of the fixed plate through the connecting rods, the two side plates are supported, the distance between the two side plates is ensured, and the curved arm aerial work truck rotary table assembly after assembly is conveniently hoisted out. DRAWINGS:

[0026] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0027] Figure 2 is the rear stop structure three-dimensional schematic view of the utility model.

[0028] Figure 3 is the ear plate positioning structure three-dimensional schematic view of the utility model.

[0029] Figure 4 is the pressure arm and power piece A cooperation three-dimensional schematic view of the utility model.

[0030] Figure 5 is the front positioning mechanism three-dimensional schematic view of the utility model.

[0031] Figure 6 is the curved arm aerial ladder truck rotary table total three-dimensional schematic view of the utility model.

[0032] Figure 7 is the part embodiment three-dimensional schematic view of the utility model.

[0033] In the figure:

[0034] 1, workbench, 2, bracket, 3, rear stop structure, 31, vertical stopper, 32, horizontal supporting block, 33, L-shaped plate, 34, vertical plate, 35, fixed plate, 36, connecting rod, 37, vertical support plate, 38, leveling bolt, 4, side clamping mechanism, 5, ear plate positioning structure, 51, supporting leg, 52, connecting arm, 53, limit block, 6, limit stopper, 7, front positioning mechanism, 71, mounting seat, 72, inner support plate, 73, connecting plate, 74, side stopper, 75, power piece B, 8, pressure arm, 9, power piece A. DETAILED DESCRIPTION

[0035] In order to make the utility model implementation the purpose, technical scheme and advantage more clearly, now will refer to the drawings and the following embodiment to the utility model further detailed description, so that the public better grasps the implementation method of the utility model, the specific implementation scheme of the utility model is:

[0036] The tool for assembling the turntable assembly of the curved arm aerial truck comprises a workbench 1, a plurality of brackets 2 are arranged on the upper end surface of the workbench 1, a rear stop structure 3 is arranged on the upper end surface of the workbench 1 at one side of the bracket 2 in a fixed structure mode, side clamping mechanisms 4 are arranged on both sides of the rear stop structure 3, an ear plate positioning structure 5 is arranged on the workbench 1 at one side of the side clamping mechanism 4 in a fixed structure mode, a limiting block 6 is arranged at one side of the left ear plate positioning structure 5, a front positioning mechanism 7 is arranged on the upper end surface of the workbench 1 at the opposite side of the rear stop structure 3 in a sliding structure mode, three pressing arms 8 are connected to the workbench 1 in a hinged structure mode, two pressing arms 8 are arranged on both sides of the front positioning mechanism 7, and the other pressing arm 8 is arranged at the opposite side of the front positioning mechanism 7, and the workbench is provided with a power member A 9 for driving the pressing arm 8 to rotate around the hinge point. By arranging the rear stop structure, the side clamping mechanism, the limiting block, the front positioning mechanism and the pressing arm, the bottom plate, the side plate and the reinforcing connecting plate of the curved arm aerial truck turntable assembly are comprehensively limited, the accuracy of assembly is ensured, and the product assembly quality is improved.

[0037] Specifically, the rear stop structure 3 comprises an L-shaped support frame, the horizontal section of the support frame is used for supporting the reinforcing connecting plate, and the outer side of the reinforcing connecting plate is supported on the inner side of the vertical section of the support frame; vertical blocks 31 and horizontal blocks 32 are arranged on both sides of the support frame, the vertical blocks 31 can position the rear side of the side plate, and the horizontal blocks 32 can support the side plate of the overhanging part.

[0038] It should be noted that, in order to accommodate the pressing arm 8 opposite to the front positioning mechanism 7, the support frame is designed as two parallel L-shaped plates 33, and a vertical plate 34 is fixedly arranged between the two L-shaped plates 33, and the pressing arm 8 is arranged between the two L-shaped plates 33.

[0039] It should be noted that, in order to ensure the distance between the two side plates and facilitate the hoisting of the curved arm aerial truck turntable assembly after assembly, a fixed plate 35 is arranged on the upper end surface of the horizontal section of the L-shaped plate 33, two parallel connecting rods 36 are arranged on both sides of the fixed plate 35, one end of the connecting rod 36 is connected to the fixed plate 35 in a hinged structure mode, the other end of the connecting rod 36 is provided with a vertical support plate 37 in a hinged structure mode, and a leveling screw 38 is arranged on the lower part of the vertical support plate 37 in a threaded engagement structure mode. It should be noted that the connecting rod 36 is in a horizontal state in the working state.

[0040] Specifically, the side clamping mechanism 4 comprises a fixed leg, an oil cylinder is fixedly arranged on the upper end surface of the fixed leg, the side wall is pressed on the vertical support plate 37 through the oil cylinder, and the horizontal connecting rod 36 is used for supporting the side wall.

[0041] It should be noted that the ear plate positioning structure 5 includes a support leg 51, the support leg 51 is provided with a connecting arm 52 in a hinged structure, one end of the connecting arm 52 away from the hinge point is provided with a limiting block 53, the connecting arm 52 is in a horizontal state in a working state, the ear plate is attached to one side of the limiting block 53, the limiting block 53 is a magnet that attracts the ear plate, the side edge of the ear plate is attached to the bottom plate and the side plate, and the welding seam at this position is welded by a welding tool, when the welding is completed and the rotary jib aerial platform truck turntable assembly is lifted out, the connecting arm 52 will rotate to prevent the limiting block 53 from blocking the bottom plate.

[0042] Specifically, the front positioning mechanism 7 includes a mounting seat 71 slidably connected with the workbench 1, an inner support plate 72 is arranged on the front side of the mounting seat 71, the inner sides of the two side plates are attached to the two sides of the inner support plate 72, so that the spacing of the front part of the side plate is ensured; the mounting seat 71 is provided with a connecting plate 73 on the left and right sides in a fixed structure, and a side stop block 74 is fixedly arranged outside the connecting plate 73 to position the outer side of the side plate.

[0043] It should be noted that the lower part of the mounting seat 71 is provided with a linear slide rail, and the mounting seat 71 is connected with the workbench 1 through the linear slide rail; the workbench 1 is provided with a power member B75 for driving the mounting seat 71 to move, and after the assembly is completed, the mounting seat 71 is moved to one side by using the power member B75, so that the rotary jib aerial platform truck turntable assembly is lifted out.

[0044] The power member A9 and the power member B75 are both hingedly connected with the workbench 1, and the power member A9 and the power member B75 are hydraulic oil cylinders or air cylinders.

[0045] The working principle and working process of the utility model are as follows:

[0046] Firstly, the bottom plate is placed on the upper end face of the bracket 2, the position of the bottom plate is adjusted, the left side of the bottom plate abuts against one side of the limiting stop block 6, and the rear side of the bottom plate abuts against the inner side of the lower part of the L-shaped plate 33, then the hydraulic oil cylinder 9 is started, the hydraulic oil cylinder 9 drives the pressing arm to press the bottom plate tightly, and the positioning of the bottom plate is completed.

[0047] Then, the reinforcing connecting plate is placed on the support frame, the horizontal section of the L-shaped plate is used to support the reinforcing connecting plate, and the outer side of the reinforcing connecting plate relies on the inner side of the vertical section of the L-shaped plate; the oil cylinder 75 is started to drive the mounting seat 71 to move to a predetermined position, then the rear part of the side plate is placed on both sides of the reinforcing connecting plate, the front part of the side plate is placed between the inner support plate 72 and the side stop block 74, the front side of the side plate is limited by the connecting plate 73, the rear end of the side plate is limited by the vertical stop block 31, the side plate in the suspended position is supported by the horizontal supporting block 32, and the lower part of the front end of the side plate is supported by the bottom plate, and the positioning of the side plate is completed.

[0048] The ear plate is attached to one side of the limiting block 53, the side edge of the ear plate is attached to the bottom plate and the side plate, and the positioning of the ear plate is completed, then the assembly and welding work are carried out.

[0049] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "left lower", "right upper", "outer", "clockwise", "counterclockwise" and other indicated orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance. Although the utility model is described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of the utility model described herein.

Claims

1. A jib truck swivel assembly group matching tool, characterized in that, The utility model relates to a workbench, which comprises: a workbench (1) provided with a plurality of brackets (2) on the upper end surface of the workbench (1); a rear stop structure (3) provided on the upper end surface of the workbench (1) on one side of the bracket (2) in a fixed structure; two side clamping mechanisms (4) provided on both sides of the rear stop structure (3); an ear plate positioning structure (5) provided on one side of the side clamping mechanism (4) in a fixed structure; a limiting stop block (6) provided on one side of the left ear plate positioning structure (5) in a fixed structure; a front positioning mechanism (7) connected to the workbench (1) in a sliding structure; three pressing arms (8) connected to the workbench (1) in a hinged structure, two of the pressing arms (8) are provided on both sides of the front positioning mechanism (7), and the other pressing arm (8) is provided on the side opposite to the front positioning mechanism (7); a power member A (9) for driving the pressing arm (8) to rotate around the hinge point.

2. The jibber assembly gang tooling of claim 1, wherein: The rear stop structure (3) comprises an L-shaped support frame, vertical stop blocks (31) and horizontal supporting blocks (32) are arranged on both sides of the support frame.

3. The pair of boom lift pivot assembly assembly tooling of claim 2, wherein: The support frame comprises two parallel L-shaped plates (33), and a vertical plate (34) is fixedly arranged between the two L-shaped plates (33). The pressing arm (8) opposite to the front positioning mechanism (7) is arranged between the two L-shaped plates (33).

4. The pair of boom lift pivot assembly assembly tooling of claim 3, wherein: A fixed plate (35) is arranged on the upper end surface of the horizontal section of the L-shaped plate (33), two parallel connecting rods (36) are arranged on both sides of the fixed plate (35), one end of each connecting rod (36) is hingedly connected to the fixed plate (35), and the other end of each connecting rod (36) is hingedly provided with a vertical support plate (37), and a leveling bolt (38) is arranged on the lower part of the vertical support plate (37) in a threaded engagement structure.

5. The jibber assembly gang tooling of claim 1, wherein: The side clamping mechanism (4) comprises a fixed leg, and an oil cylinder is arranged on the upper end surface of the fixed leg.

6. The jibber assembly gang tooling of claim 1, wherein: The ear plate positioning structure (5) comprises a supporting leg (51), the supporting leg (51) is hingedly provided with a connecting arm (52), and a limiting block (53) is arranged on the end of the connecting arm (52) away from the hinge point.

7. The jibber assembly gang tooling of claim 1, wherein: The front positioning mechanism (7) comprises a mounting seat (71) slidably connected to the workbench (1), an inner support plate (72) is arranged on the front side of the mounting seat (71), connecting plates (73) are arranged on both sides of the mounting seat (71) in a fixed structure, and side stop blocks (74) are fixedly arranged on the outer part of the connecting plates (73).

8. The pair of boom lift pivot assembly assembly tooling of claim 7, wherein: A linear slide rail is arranged on the lower part of the mounting seat (71), and the mounting seat (71) is connected to the workbench (1) through the linear slide rail. The workbench (1) is provided with a power member B (75) for driving the mounting seat (71) to move.

9. The pair of boom lift truck turret assembly sets of claim 8, wherein: The power member A (9) and the power member B (75) are hingedly connected to the workbench (1), and the power member A (9) and the power member B (75) are hydraulic oil cylinders or air cylinders.

Images