Special tool for multi-connecting-rod rear overhang

Abstract

The utility model relates to a special tool for a multi-connecting-rod rear overhang, which comprises a rack, two ends of the rack are respectively provided with a supporting hook mechanism and a multi-connecting-rod opening and closing mechanism which are respectively used for supporting two ends of an automobile rear overhang part, and two sides of the rack are respectively provided with a balance chain. The two balance chains are fixedly connected with the two sides of the automobile rear overhang part correspondingly and used for balancing the automobile rear overhang part, and a lifting hook is fixedly connected to the top of the rack. The lifting device has the beneficial effects that the supporting hook mechanism and the multi-connecting-rod opening and closing mechanism respectively lift the two ends of the automobile rear overhang part, and the two balance chains are respectively and fixedly connected with the two sides of the automobile rear overhang part, so that the automobile rear overhang part can be kept balanced, the lifting is very easy and simple, a steel wire rope only needs to penetrate into a lifting hook for lifting, the production efficiency is improved, and the production cost is reduced. And potential safety hazards can be avoided, and the rear overhang cannot be damaged.

Description

Technical Field

[0001] The utility model relates to a tool, in particular to a special tool for a multi-link rear suspension. Background Art

[0002] The rear suspension is a very important component in a car. It is large in size and complex in structure. There is no special tooling for the rear suspension. Especially when lifting, a crane and wire rope are usually used to lift the rear suspension. Unbalance is likely to occur during the lifting process, which tests the workers' skills. When the workers are not skilled, the lifting work is time-consuming and laborious, affecting production efficiency, and even causing safety accidents such as rear suspension tilting and falling. The wire rope directly contacts the rear suspension and is likely to cause damage to it. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a special tooling for a multi-link rear suspension to solve the above-mentioned problem.

[0004] The utility model solves the above-mentioned technical problem with the following technical solution: a multi-link rear suspension special tooling, comprising a frame, two ends of the frame are respectively provided with a hook mechanism and a multi-link opening and closing mechanism for respectively supporting the two ends of the rear suspension component of the automobile, two sides of the frame are respectively provided with a balancing chain, the two balancing chains are respectively fixedly connected to the two sides of the rear suspension component of the automobile for balancing the rear suspension component of the automobile, and the top of the frame is fixedly connected with a hook.

[0005] The beneficial effects of the utility model are as follows: the supporting hook mechanism and the multi-link opening and closing mechanism respectively support the two ends of the automobile rear suspension component, and the two balancing chains are respectively fixedly connected to the two sides of the automobile rear suspension component to keep the automobile rear suspension component balanced. It is very easy and simple to lift, and only needs to pass the wire rope through the hook for lifting. This improves production efficiency, eliminates safety hazards, and does not cause damage to the rear suspension.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] One end of the frame is fixedly connected with an opening and closing frame, and two multi-link opening and closing mechanisms are provided and symmetrically arranged at two ends of the top of the opening and closing frame.

[0008] Each of the multi-link opening and closing mechanisms includes a slide rail, a slider, a link rod 1, a link rod 2, a link rod 3, a rotating shaft, a contour support block, a rotating shaft fixing seat and a contour clamping block. The slide rail is horizontally fixedly connected to the top of the opening and closing frame. The slider matches the slide rail and slides horizontally on the slide rail. The center of the link rod 1 is fixedly connected to the top of the slider. The link rod 3, the rotating shaft fixing seat, the rotating shaft, the contour support block and the contour clamping block are symmetrically arranged in two. The two rotating shaft fixing seats are respectively fixed to the link rod 1 and the rotating shaft fixing seat. Connected to both sides of the opening and closing frame, the rotating shaft fixing seat and the rotating shaft correspond one-to-one and match, the rotating shaft is rotatably connected in the rotating shaft fixing seat, the connecting rod three corresponds one-to-one to the rotating shaft, one end of the two connecting rods three is respectively hinged at the two ends of the connecting rod one, and the other end of the connecting rod three is respectively rotatably connected to the corresponding top end of the rotating shaft, the contoured supporting block corresponds one-to-one to the rotating shaft and is fixedly connected to the corresponding bottom end of the rotating shaft, and the contoured clamping blocks are symmetrically fixedly connected to both sides of the bottom of the opening and closing frame.

[0009] It also includes a fixed plate and a rotating plate, the fixed plate is fixedly connected to the top center of the opening and closing frame, the rotating plate is rotatably connected to the top of the fixed plate, the two ends of the connecting rod 2 are respectively hinged on the rotating plate and the center of the connecting rod 1, an opening and closing handle is fixedly connected to the rotating plate, a locking indexing pin is also provided on the rotating plate, a positioning hole matching the locking indexing pin is provided on the fixed plate, the locking indexing pin passes through the rotating plate and is inserted into the positioning hole when the two contoured clamping blocks are closest to each other.

[0010] The contoured clamping block, the contoured supporting block and the space enclosed by the contoured clamping block and the contoured supporting block are all matched with the rear suspension component of the automobile.

[0011] The hook support mechanism comprises a fixed arm, a movable arm, a hook support shaft, a wire rope, a pulley, a wire rope winding wheel and a contoured hook, wherein the fixed arm, the movable arm, the contoured hook, the wire rope, the pulley and the wire rope winding wheel are each provided with two and correspond to each other one by one, the two fixed arms are fixedly connected to the frame in parallel, one end of each movable arm is hinged to one end of the corresponding fixed arm and swings vertically, the other end of the movable arm is fixedly connected to the corresponding contoured hook, the hook support shaft is rotatably connected to the frame, the pulley is rotatably connected to the corresponding fixed arm, the two wire rope winding wheels are symmetrically fixedly connected to the two ends of the hook support shaft, one end of the wire rope is fixedly connected to the wire rope winding wheel, and the other end of the wire rope passes around the corresponding pulley and is fixedly connected to the corresponding movable arm.

[0012] A hook handle is fixedly connected to the center of the hook rotating shaft.

[0013] A synchronization rod is arranged between the two movable arms, and two ends of the synchronization rod are respectively fixedly connected to the inner sides of the two movable arms.

[0014] The contoured support hook matches the rear suspension component of the automobile. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a multi-link rear suspension special tooling provided by the utility model;

[0016] Figure 2 for Figure 1 A structural schematic diagram of a multi-link opening and closing mechanism of a multi-link rear suspension special tooling shown;

[0017] Figure 3 for Figure 1 The schematic diagram of the structure of a hook mechanism of a multi-link rear suspension special tooling is shown.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Frame; 2. Hook mechanism; 3. Contour hook; 4. Multi-link opening and closing mechanism; 5. Balance chain; 6. Hook; 7. Opening and closing frame; 8. Slide rail; 9. Slider; 10. Link one; 11. Link two; 12. Link three; 13. Rotating shaft; 14. Contour support block; 15. Fixed plate; 16. Rotating plate; 17. Opening and closing handle; 18. Locking indexing pin; 19. Rotating shaft fixing seat; 20. Contour clamping block; 21. Fixed arm; 22. Movable arm; 23. Hook rotating shaft; 24. Wire rope; 25. Hook handle; 26. Pulley; 27. Wire rope winding wheel; 28. Synchronous rod. DETAILED DESCRIPTION

[0020] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0021] like Figure 1-3 As shown, a special tooling for a multi-link rear suspension comprises a frame 1, two ends of the frame 1 are respectively provided with a hook mechanism 2 and a multi-link opening and closing mechanism 4 for lifting the two ends of the rear suspension component of the automobile, two sides of the frame 1 are respectively provided with a balancing chain 5, the two balancing chains 5 are respectively fixedly connected to the two sides of the rear suspension component of the automobile for balancing the rear suspension component of the automobile, and the top of the frame 1 is fixedly connected with a hook 6.

[0022] One end of the frame 1 is fixedly connected to an opening and closing frame 7 , and two multi-link opening and closing mechanisms 4 are provided and symmetrically arranged at the two ends of the top of the opening and closing frame 7 .

[0023] Each of the multi-link opening and closing mechanisms 4 includes a slide rail 8, a slider 9, a link 10, a link 2 11, a link 3 12, a rotating shaft 13, a contoured support block 14, a rotating shaft fixing seat 19 and a contoured clamping block 20. The slide rail 8 is horizontally fixedly connected to the top of the opening and closing frame 7. The slider 9 matches the slide rail 8 and slides horizontally on the slide rail 8. The center of the link 10 is fixedly connected to the top of the slider 9. The link 3 12, the rotating shaft fixing seat 19, the rotating shaft 13, the contoured support block 14 and the contoured clamping block 20 are symmetrically provided with two, and the two rotating shaft fixing seats 19 are respectively The connecting rods 12 and 13 are respectively fixedly connected to the two sides of the opening and closing frame 7, the rotating shaft fixing seat 19 and the rotating shaft 13 correspond one to one and match each other, the rotating shaft 13 is rotatably connected in the rotating shaft fixing seat 19, the connecting rod three 12 corresponds one to one with the rotating shaft 13, one end of the two connecting rods three 12 is respectively hinged at the two ends of the connecting rod one 10, and the other end of the connecting rod three 12 is respectively rotatably connected to the corresponding top end of the rotating shaft 13, the contoured support block 14 corresponds one to one with the rotating shaft 13 and is fixedly connected to the corresponding bottom end of the rotating shaft 13, and the contoured clamping block 20 is symmetrically fixedly connected to the two sides of the bottom of the opening and closing frame 7.

[0024] It also includes a fixed disk 15 and a rotating disk 16, the fixed disk 15 is fixedly connected to the top center of the opening and closing frame 7, the rotating disk 16 is rotatably connected to the top of the fixed disk 15, the two ends of the connecting rod 2 11 are respectively hinged on the rotating disk 16 and the center of the connecting rod 1 10, an opening and closing handle 17 is fixedly connected to the rotating disk 16, and a locking indexing pin 18 is also provided on the rotating disk 16. A positioning hole matching the locking indexing pin 18 is opened on the fixed disk 15, the locking indexing pin 18 passes through the rotating disk 16 and is inserted into the positioning hole when the two contoured clamping blocks 20 are closest to each other.

[0025] The contoured clamping block 20, the contoured support block 14 and the space enclosed by the contoured clamping block 20 and the contoured support block 14 are all matched with the rear suspension component of the automobile.

[0026] The hook mechanism 2 includes a fixed arm 21, a movable arm 22, a hook shaft 23, a wire rope 24, a pulley 26, a wire rope winding wheel 27 and a contoured hook 3. The fixed arm 21, the movable arm 22, the contoured hook 3, the wire rope 24, the pulley 26 and the wire rope winding wheel 27 are each provided with two and one-to-one correspondence. The two fixed arms 21 are fixedly connected to the frame 1 in parallel, and one end of each movable arm 22 is hinged to one end of the corresponding fixed arm 21 and vertically Swing, the other end of the movable arm 22 is fixedly connected to the corresponding contoured hook 3, the hook shaft 23 is rotatably connected to the frame 1, the pulley 26 is rotatably connected to the corresponding fixed arm 21, the two wire rope winding wheels 27 are symmetrically fixedly connected to the two ends of the hook shaft 23, one end of the wire rope 24 is fixedly connected to the wire rope winding wheel 27, and the other end of the wire rope 24 passes around the corresponding pulley 26 and is fixedly connected to the corresponding movable arm 22.

[0027] A hook handle 25 is fixedly connected to the center of the hook rotating shaft 23 .

[0028] A synchronization rod 28 is disposed between the two movable arms 22 , and two ends of the synchronization rod 28 are fixedly connected to the inner sides of the two movable arms 22 .

[0029] The contoured support hook 3 matches the rear suspension component of the automobile.

[0030] The fixed connection mentioned in this application can be threaded connection, welding or bonding.

[0031] Working principle:

[0032] 1. Working principle of multi-link opening and closing mechanism 4

[0033] In the initial state, the contoured support block 14 is at the closest position, the slider 9 is at the farthest distance from the turntable 16, the locking indexing pin 18 is inserted into the positioning hole of the fixed disk 15, and the opening and closing handle 17 is turned, the turntable 16 is driven to rotate, and one end of the connecting rod 2 11 rotates with the turntable 16, and the other end of the connecting rod 2 11 drives the connecting rod 1 10 and the slider 9 to slide on the slide rail 8, thereby driving the connecting rod 3 12 to swing, and then the swing of the connecting rod 3 12 drives the rotating shaft 13 to rotate, and finally drives the contoured support block 14 to swing to achieve opening and closing.

[0034] 2. Working principle of hook mechanism 2

[0035] In the initial state, the movable arm 22 and the contoured hook 3 are naturally in the lowest position due to their own gravity. The hook handle 25 is pulled to rotate the hook shaft 23, and the hook shaft 23 drives the wire rope winding wheel 27 to rotate, thereby winding the wire rope 24 around the rim of the wire rope winding wheel 27 to tighten the wire rope 24, and finally pulling the movable arm 22 upward to realize the swing of the movable arm 22.

[0036] 3. Overall working principle

[0037] When the rear suspension component of the automobile is to be hoisted, the tool is hoisted to the rear suspension component of the automobile by the crane, and two profiling support blocks 14 are in the farthest distance, that is, in the open state, one end of the rear suspension component of the automobile is hooked by the profiling support hook 3, and the other end of the rear suspension component of the automobile enters the space surrounded by two profiling clamping blocks 20, and the two profiling support blocks 14 are in the nearest distance again, that is, in the closed locking state, and the locking indexing pin 18 is inserted to lock it, because the movable arm 22 and the profiling support hook 3 are pressed on the profiling support hook 3 due to their own gravity plus the rear suspension component of the automobile, the profiling support hook 3 always keeps the lowest position, and two balancing chains 5 are hung on the two sides of the rear suspension component of the automobile, so that it keeps balance, and the clamping of the rear suspension component of the automobile is completed; the rear suspension component of the automobile is hoisted to the next process by the crane, and two profiling support blocks 14 are in the farthest distance, that is, in the open state, and the profiling support hook 3 is swung upwards, and the balancing chain 5 is untied, and the disengagement of the rear suspension component of the automobile is completed.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A special tooling for a multi-link rear suspension, characterized in that: The invention comprises a frame (1), wherein two ends of the frame (1) are respectively provided with a supporting hook mechanism (2) and a multi-link opening and closing mechanism (4) for supporting the two ends of a rear suspension component of an automobile, and two sides of the frame (1) are respectively provided with a balancing chain (5), and the two balancing chains (5) are respectively fixedly connected to the two sides of the rear suspension component of the automobile for balancing the rear suspension component of the automobile, and a hook (6) is fixedly connected to the top of the frame (1); one end of the frame (1) is fixedly connected to an opening and closing frame (7), and the multi-link opening and closing mechanism ( 4) are provided with two and they are symmetrically arranged at the two ends of the top of the opening and closing frame (7); each of the multi-link opening and closing mechanisms (4) comprises a slide rail (8), a slider (9), a connecting rod one (10), a connecting rod two (11), a connecting rod three (12), a rotating shaft (13), a contoured support block (14), a rotating shaft fixing seat (19) and a contoured clamping block (20), the slide rail (8) is horizontally fixedly connected to the top of the opening and closing frame (7), the slider (9) matches the slide rail (8) and is horizontally mounted on the slide rail (8). The center of the connecting rod 1 (10) is fixedly connected to the top of the sliding block (9), and the connecting rod 3 (12), the rotating shaft fixing seat (19), the rotating shaft (13), the profiling support block (14) and the profiling clamping block (20) are symmetrically provided with two, and the two rotating shaft fixing seats (19) are respectively fixedly connected to the two sides of the opening and closing frame (7), and the rotating shaft fixing seats (19) and the rotating shaft (13) correspond to each other and match each other, and the rotating shaft (13) is rotatably connected to the rotating shaft fixing seats (19), the connecting rod three (12) corresponds to the rotating shaft (13) one by one, one end of the two connecting rods three (12) is hinged to the two ends of the connecting rod one (10), and the other end of the connecting rod three (12) is rotatably connected to the top of the corresponding rotating shaft (13), the contoured support block (14) corresponds to the rotating shaft (13) one by one and is fixedly connected to the bottom end of the corresponding rotating shaft (13), and the contoured clamping block (20) is symmetrically fixedly connected to the two sides of the bottom of the opening and closing frame (7).

2. The multi-link rear suspension special tooling according to claim 1, characterized in that: The utility model also comprises a fixed disk (15) and a rotating disk (16), wherein the fixed disk (15) is fixedly connected to the top center of the opening and closing frame (7), and the rotating disk (16) is rotatably connected to the top of the fixed disk (15), and the two ends of the second connecting rod (11) are respectively hinged on the rotating disk (16) and the center of the first connecting rod (10), and the rotating disk (16) is fixedly connected with an opening and closing handle (17), and the rotating disk (16) is also provided with a locking indexing pin (18), and the fixed disk (15) is provided with a positioning hole matching the locking indexing pin (18), and the locking indexing pin (18) passes through the rotating disk (16) and is inserted into the positioning hole when the distance between the two contoured clamping blocks (20) is the shortest.

3. The multi-link rear suspension special tooling according to claim 1, characterized in that: The contoured clamping block (20), the contoured support block (14), and the space enclosed by the contoured clamping block (20) and the contoured support block (14) are all matched with the rear suspension component of the automobile.

4. The multi-link rear suspension special tooling according to claim 1, characterized in that: The hook support mechanism (2) comprises a fixed arm (21), a movable arm (22), a hook support shaft (23), a steel wire rope (24), a pulley (26), a steel wire rope winding wheel (27) and a contoured hook (3); the fixed arm (21), the movable arm (22), the contoured hook (3), the steel wire rope (24), the pulley (26) and the steel wire rope winding wheel (27) are each provided with two and correspond to each other; the two fixed arms (21) are fixedly connected to the frame (1) in parallel; one end of each movable arm (22) is hinged to the corresponding fixed arm (21). The movable arm (22) is fixedly connected to the corresponding contoured hook (3) at one end, the hook rotating shaft (23) is rotatably connected to the frame (1), the pulley (26) is rotatably connected to the corresponding fixed arm (21), two wire rope winding wheels (27) are symmetrically fixedly connected to the two ends of the hook rotating shaft (23), one end of the wire rope (24) is fixedly connected to the wire rope winding wheel (27), and the other end of the wire rope (24) is passed around the corresponding pulley (26) and is fixedly connected to the corresponding movable arm (22).

5. The multi-link rear suspension special tooling according to claim 4, characterized in that: A hook handle (25) is fixedly connected to the center of the hook rotating shaft (23).

6. The multi-link rear suspension special tooling according to claim 4, characterized in that: A synchronization rod (28) is provided between the two movable arms (22), and two ends of the synchronization rod (28) are respectively fixedly connected to the inner sides of the two movable arms (22).

7. The multi-link rear suspension special tooling according to claim 4, characterized in that: The contoured support hook (3) matches the rear suspension component of the automobile.

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