Adjustable cutting device for steel structure machining

Abstract

The utility model relates to the related technical field of steel structure cutting devices, in particular to an adjustable cutting device for steel structure machining. A steel structure body is arranged at the top of the machine box, and a portal frame is arranged at the top of the steel structure body. Under the matching action of the case, the steel structure body, the portal frame, the positioning claw, the moving block and the rotating mechanism, the device can firmly fix the steel structure body in the center of the device, the function of positioning the steel structure body is achieved, the cutting precision of the steel structure body during cutting is improved, and the cutting efficiency is improved. The problems that although an existing adjustable cutting device for steel structure machining can push telescopic inner plates to clamp a steel structure through electric telescopic rods on the two sides, errors exist in the telescopic distance of the electric telescopic rods on the two sides, and the steel structure cannot be fixed to the center of the device through the device; and the accuracy is low when the steel structure is cut.

Description

Technical Field

[0001] The utility model relates to the technical field related to steel structure cutting devices, in particular to an adjustable cutting device for steel structure processing. Background Art

[0002] Steel structures are structures made of steel and are one of the main types of building structures. They primarily consist of beams, columns, and trusses made from sections and plates. Rust removal and prevention processes include silanization, pure manganese phosphating, water washing and drying, and galvanizing. Components are typically connected using welds, bolts, or rivets. Due to its light weight and ease of construction, it is widely used in large factories, stadiums, and high-rise buildings.

[0003] The utility model patent with announcement number CN217316104U discloses a cutting device for steel structure processing, which belongs to the technical field related to steel structure cutting devices. It aims to solve the problem in the prior art that the setting of the feeding plate increases the volume of the overall cutting device, making it difficult to install and transport, and that the steel structure clamping mechanism in the prior art has certain shortcomings and limited clamping effect. It includes a mounting bracket, and steel structure clamping components are fixedly installed on both sides of the lower end outer surface of the mounting bracket, and a translation adjustment mechanism is movably installed on the upper side of the inner surfaces of both sides of the mounting bracket, and a cutting mechanism is fixedly installed on the lower end outer surface of the translation adjustment mechanism, and an adjustable cutting table is fixedly installed on the lower end outer surface of the steel structure clamping component. The cutting device for steel structure processing described in this utility model makes the steel structure more stable and not easy to shift during cutting work through the provision of a steel structure clamping component, and the steel structure clamping component has good adjustability. The cutting device for steel structure processing makes it more convenient to load the steel structure through the provision of an adjustable cutting table, and the adjustable cutting table has a good folding function, which effectively reduces the volume of the overall cutting device and is easy to transport.

[0004] However, the above patent still has shortcomings: although the patent can use the electric telescopic rods on both sides to push the telescopic inner plates to clamp the steel structure, due to the error in the telescopic distance of the electric telescopic rods on both sides, the device cannot fix the steel structure at the center of the device, resulting in low accuracy when cutting the steel structure. Utility Model Content

[0005] In order to make up for the above shortcomings, the present invention provides an adjustable cutting device for steel structure processing to solve the problem that the existing adjustable cutting device for steel structure processing proposed in the above background technology can push the telescopic inner plate to clamp the steel structure through the electric telescopic rods on both sides, but due to the error in the telescopic distance of the electric telescopic rods on both sides, the device cannot fix the steel structure at the center of the device, resulting in low accuracy when cutting the steel structure.

[0006] The technical solution of the utility model is:

[0007] An adjustable cutting device for processing steel structures, comprising: a chassis; a steel structure body is provided on the top of the chassis, a gantry is provided on the top of the steel structure body, the gantry is fixedly connected to the chassis, positioning claws are provided on both sides of the steel structure body, the bottoms of the positioning claws are fixedly connected to moving blocks, and the moving blocks are slidingly connected to the chassis; a rotating mechanism is provided inside the chassis for controlling the positioning claws to position and clamp the steel structure body; a lifting mechanism with an adjustable cutting angle is provided inside the gantry.

[0008] Preferably, the rotating mechanism includes: two first rotating shafts are rotatably connected to the inside of the chassis, the outer surfaces of the first rotating shafts are fixedly connected to a rotating plate, the top two sides of the rotating plate are fixedly connected to the second rotating shaft, the outer surfaces of the second rotating shafts are rotatably connected to a linkage rod, the end of the linkage rod away from the second rotating shaft is rotatably connected to a third rotating shaft, and the top of the third rotating shaft is fixedly connected to the moving block respectively; the bottom of the rotating plate is provided with a synchronous wheel, the two synchronous wheels are respectively fixed to the outer surface of the first rotating shaft, and the two synchronous wheels are connected by a synchronous belt; the bottom of one of the synchronous wheels is provided with a power mechanism for controlling the positioning claw to perform self-locking.

[0009] Preferably, the power mechanism includes: a worm wheel is provided at the bottom of one of the synchronous wheels, the worm wheel is fixed to the outer surface of the first rotating shaft, a worm is engaged with one side of the worm wheel, one end of the worm is rotatably connected to the chassis; the other end of the worm passes through the chassis and extends to the first motor, the first motor is fixedly connected to the chassis, and the worm is fixedly connected to the output end of the first motor.

[0010] Preferably, the lifting mechanism includes: a screw connected to the internal rotation of the gantry, one end of the screw is rotatably connected to the gantry, the other end of the screw passes through the gantry and extends to the second motor, the second motor is fixedly connected to the gantry, the screw is fixedly connected to the output end of the second motor, the outer surface of the screw is threadedly connected to the moving block, the bottom of the moving block is fixedly connected to a fixing sleeve, the internal rotation of the fixing sleeve is connected to a rotating column, the bottom of the rotating column is fixedly connected to a hydraulic cylinder, a locking knob is provided on one side of the fixing sleeve, one end of the locking knob passes through the fixing sleeve and extends to the rotating column, the locking knob is threadedly connected to the fixing sleeve; the telescopic end of the hydraulic cylinder is fixedly connected to a protective sleeve, the internal rotation of the protective sleeve is connected to a fourth rotating shaft, the middle outer surface of the fourth rotating shaft is fixedly connected to a cutting blade, the protective sleeve is fixedly connected to a third motor near the fourth rotating shaft, and the fourth rotating shaft is fixedly connected to the output end of the third motor.

[0011] Preferably, sliding rods are provided on both sides of the screw rod, both ends of the sliding rods are fixedly connected to the gantry, and the moving block is slidably connected to the sliding rods.

[0012] Preferably, three rollers are evenly arranged on the chassis near the steel structure body, and the rollers are rotatably connected to the chassis.

[0013] Preferably, a damping pad is provided on one side of the positioning claw close to the steel structure body, and the damping pads are fixedly connected to the positioning claws respectively.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] Firstly, the utility model, through the coordinated action of the chassis, the steel structure body, the gantry, the positioning claws, the moving block and the rotating mechanism, enables the device to firmly fix the steel structure body at the center of the device, thereby achieving the function of positioning the steel structure body and improving the cutting accuracy of the steel structure body when being cut. It solves the problem that the existing adjustable cutting device for steel structure processing can push the telescopic inner plate to clamp the steel structure through the electric telescopic rods on both sides, but due to the error in the telescopic distance of the electric telescopic rods on both sides, the device cannot fix the steel structure at the center of the device, resulting in low accuracy when cutting the steel structure.

[0016] Second, the utility model discloses a cooperation under the joint action of case, steel structure body, gantry, positioning claw, moving block and lifting mechanism makes the device can adjust the cutting angle of steel structure body, in order to the steel structure body cutting suitable angle of bevel, improved practicability, solved the existing adjustable steel structure processing cutting device, and do not have the function of cutting bevel of steel structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the adjustable steel structure processing cutting device of the utility model;

[0018] Figure 2 It is a side view sectional structure schematic view of the adjustable steel structure processing cutting device of the utility model;

[0019] Figure 3 It is the structure schematic view of the utility model's Figure 2 Amplification structure schematic view of place A;

[0020] Figure 4 It is the structure schematic view of the utility model's rotating mechanism;

[0021] Figure 5 It is the structure schematic view of the utility model's self-locking mechanism;

[0022] Figure 6 It is the structure schematic view of the utility model's lifting mechanism;

[0023] Figure 7 It is the moving block and third shaft connecting structure schematic view of the utility model.

[0024] In the drawing:

[0025] 1, case;2, steel structure body;3, gantry;4, positioning claw;5, moving block;6, rotating mechanism;7, lifting mechanism;8, first shaft;9, rotating plate;10, second shaft;11, linkage rod;12, third shaft;13, synchronous wheel;14, synchronous belt;15, power mechanism;16, worm wheel;17, worm;18, first motor;19, screw;20, second motor;21, moving block;22, fixed sleeve;23, rotating column;24, hydraulic cylinder;25, locking knob;26, protective sleeve;27, fourth shaft;28, cutting piece;29, third motor;30, slide bar;31, roller;32, damping pad. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1 to 7 The present invention describes the above technical solution in detail through the following embodiments:

[0028] A cutting device for processing an adjustable steel structure comprises: a chassis 1; a steel structure body 2 is provided on the top of the chassis 1, a gantry 3 is provided on the top of the steel structure body 2, the gantry 3 is fixedly connected to the chassis 1, positioning claws 4 are provided on both sides of the steel structure body 2, the bottoms of the positioning claws 4 are fixedly connected to moving blocks 5, and the moving blocks 5 are slidingly connected to the chassis 1; a rotating mechanism 6 is provided inside the chassis 1 for controlling the positioning claws 4 to position and clamp the steel structure body 2; a lifting mechanism 7 with adjustable cutting angle is provided inside the gantry 3, the user places the steel structure body 2 on the top of the chassis 1, and then controls the moving block 5 to move toward the center of the chassis 1 at the same time through the rotating mechanism 6, and the moving block 5 drives the positioning claws 4 while moving, and the four positioning claws 4 cooperate to fix the steel structure body 2 at the center of the top of the chassis 1, and then the steel structure body 2 is cut by the lifting mechanism 7.

[0029] like Figure 4 and Figure 7As shown, the rotating mechanism 6 includes: two first rotating shafts 8 are rotatably connected to the inside of the chassis 1, and the outer surfaces of the first rotating shafts 8 are fixedly connected to the rotating plates 9. The top two sides of the rotating plates 9 are fixedly connected to the second rotating shafts 10, and the outer surfaces of the second rotating shafts 10 are rotatably connected to the linkage rods 11. The ends of the linkage rods 11 away from the second rotating shafts 10 are rotatably connected to the third rotating shafts 12, and the top ends of the third rotating shafts 12 are respectively fixedly connected to the moving blocks 5; the bottoms of the rotating plates 9 are provided with synchronous wheels 13, and the two synchronous wheels 13 are respectively fixed to the outer surfaces of the first rotating shafts 8, and the two driving synchronous wheels 13 are connected by synchronous belts 14; the bottom of one of the synchronous wheels 13 is provided with a power mechanism 15 for controlling the positioning claw 4 to self-lock, and the power mechanism 15 controls one of the first rotating shafts 8 to rotate. When the first rotating shaft 8 rotates, the two first rotating shafts 8 are synchronously rotated by the cooperation of the synchronous wheel 13 and the synchronous belt 14. When the first rotating shaft 8 rotates, it drives The rotating plate 9 drives the second rotating shaft 10 to rotate. The second rotating shaft 10 pulls one end of the linkage rod 11 while rotating, so that the other end of the linkage rod 11 pulls the third rotating shaft 12, and the third rotating shaft 12 drives the moving block 5 to slide toward the center of the chassis 1. The moving block 5 drives the positioning claws 4 while sliding, and then the steel structure body 2 is fixed to the center of the top of the chassis 1 through the cooperation of the four positioning claws 4, so that the device can firmly fix the steel structure body 2 at the center of the device, thereby achieving the function of positioning the steel structure body 2, improving the cutting accuracy of the steel structure body 2 when being cut, and solving the problem that the existing adjustable steel structure processing cutting device can respectively push the telescopic inner plate to clamp the steel structure through the electric telescopic rods on both sides, but due to the error in the telescopic distance of the electric telescopic rods on both sides, the device cannot fix the steel structure at the center of the device, resulting in low accuracy of steel structure cutting.

[0030] like Figure 5 As shown, the power mechanism 15 includes: a worm gear 16 is provided at the bottom of one of the synchronous wheels 13, the worm gear 16 is fixed to the outer surface of the first rotating shaft 8, a worm 17 is engaged with one side of the worm gear 16, and one end of the worm gear 17 is rotatably connected to the chassis 1; the other end of the worm gear 17 passes through the chassis 1 and extends to the first motor 18, the first motor 18 is fixedly connected to the chassis 1, and the worm gear 17 is fixedly connected to the output end of the first motor 18. When the first motor 18 is started, the output end of the first motor 18 drives the worm gear 17 to rotate, and the worm gear 16 is driven by the rotation of the worm gear 17, and the worm gear 16 drives one of the first rotating shafts 8 to rotate. The self-locking function can be achieved through the cooperation of the worm gear 17 and the worm gear 16.

[0031] like Figure 6As shown, the lifting mechanism 7 comprises: a screw rod 19 rotatably connected inside the gantry 3, one end of the screw rod 19 is rotatably connected with the gantry 3, the other end of the screw rod 19 penetrates through the gantry 3 and extends to the second motor 20, the second motor 20 is fixedly connected with the gantry 3, the screw rod 19 is fixedly connected with the output end of the second motor 20, the outer surface of the screw rod 19 is threadedly connected with a moving block 21, the bottom of the moving block 21 is fixedly connected with a fixed sleeve 22, the inside of the fixed sleeve 22 is rotatably connected with a rotating column 23, the bottom of the rotating column 23 is fixedly connected with a hydraulic cylinder 24, one side of the fixed sleeve 22 is provided with a locking knob 25, one end of the locking knob 25 penetrates through the fixed sleeve 22 and extends to the rotating column 23, and the locking knob 25 is threadedly connected with the fixed sleeve 22; the telescopic end of the hydraulic cylinder 24 is fixedly connected with a protective sleeve 26, the inside of the protective sleeve 26 is rotatably connected with a fourth rotating shaft 27, the middle outer surface of the fourth rotating shaft 27 is fixedly connected with a cutting blade 28, the protective sleeve 26 is fixedly connected with a third motor 29 near the fourth rotating shaft 27, and the fourth rotating shaft 27 is fixedly connected with the output end of the third motor 29; start the second motor 20, the output end of the second motor 20 drives the screw rod 19 to rotate, the screw rod 19 rotates at the same time drives the moving block 21, and then controls the cutting blade 28 to move horizontally inside the gantry 3; when the user needs to bevel cut the steel structure body 2, rotate the locking knob 25 in the opposite direction, move the locking knob 25 outward from the fixed sleeve 22 at the same time, and then separate the locking knob 25 from the rotating column 23, then the user rotates the hydraulic cylinder 24 through the cooperation of the rotating column 23, the hydraulic cylinder 24 rotates at the same time to achieve the purpose of adjusting the angle of the cutting blade 28, when the cutting blade 28 is adjusted to the appropriate angle, rotate the locking knob 25 in the forward direction, move the locking knob 25 inward from the fixed sleeve 22 to limit and fix the rotating column 23, finally start the hydraulic cylinder 24 and the third motor 29, the output end of the third motor 29 drives the fourth rotating shaft 27, the fourth rotating shaft 27 drives the cutting blade 28, so that the cutting blade 28 rotates at high speed, and the telescopic end of the hydraulic cylinder 24 extends outward, thereby controlling the rotating cutting blade 28 to move downward to cut the steel structure body 2, so that the device can adjust the cutting angle of the steel structure body 2, so as to cut the steel structure body 2 at a suitable angle, improve the practicability, solve the problem that the existing adjustable cutting device for steel structure machining does not have the function of cutting the steel structure at an angle.

[0032] As shown in Figure 6 The two sides of the screw rod 19 are provided with slide rods 30, the two ends of the slide rods 30 are fixedly connected with the gantry 3, the moving block 21 is slidably connected with the slide rods 30, the moving block 21 can be limited, so that the moving block 21 can flexibly slide horizontally inside the gantry 3.

[0033] As shown in Figure 1 and Figure 2As shown, three rollers 31 are evenly arranged near the steel structure body 2 on the chassis 1. The rollers 31 are rotatably connected to the chassis 1, which makes it convenient for users to adjust the steel structure body 2 after the positioning claws 4 are separated from the steel structure body 2.

[0034] like Figure 3 and Figure 7 As shown, a damping pad 32 is provided on one side of the positioning claw 4 close to the steel structure body 2. The damping pad 32 is fixedly connected to the positioning claw 4, thereby increasing the friction between the contact surface between the positioning claw 4 and the steel structure body 2, and thereby increasing the stability of the positioning claw 4 clamping the steel structure body 2.

[0035] Working principle: The user places the steel structure body 2 on the top of the chassis 1 and starts the first motor 18. The output end of the first motor 18 drives the worm 17 to rotate. The worm 17 drives the worm wheel 16 while rotating. The worm wheel 16 drives one of the first rotating shafts 8 to rotate. The self-locking function can be achieved through the cooperation of the worm 17 and the worm wheel 16. When the first rotating shaft 8 rotates, the two first rotating shafts 8 rotate synchronously through the cooperation of the synchronous wheel 13 and the synchronous belt 14. When the first rotating shaft 8 rotates, it drives the rotating plate 9. The rotating plate 9 drives the second rotating shaft 10 to rotate. When the second rotating shaft 10 rotates, it pulls one end of the linkage rod 11, so that the other end of the linkage rod 11 pulls the third rotating shaft 12. The third rotating shaft 12 drives The moving block 5 slides toward the center of the chassis 1, and the moving block 5 drives the positioning claws 4 while sliding, and then the steel structure body 2 is fixed to the center of the top of the chassis 1 through the cooperation of the four positioning claws 4, so that the device can firmly fix the steel structure body 2 at the center of the device, thereby achieving the function of positioning the steel structure body 2, improving the cutting accuracy of the steel structure body 2 when being cut, and solving the problem that the existing adjustable steel structure processing cutting device can respectively push the telescopic inner plate to clamp the steel structure through the electric telescopic rods on both sides, but due to the error in the telescopic distance of the electric telescopic rods on both sides, the device cannot fix the steel structure at the center of the device, resulting in low accuracy when cutting the steel structure.

[0036] Start the second motor 20, and the output end of the second motor 20 drives the screw 19 to rotate. The screw 19 rotates and drives the moving block 21 at the same time, thereby controlling the cutting blade 28 to move horizontally inside the gantry 3. When the user needs to bevel the steel structure body 2, the user rotates the locking knob 25 in the opposite direction. The locking knob 25 moves toward the outside of the fixed sleeve 22 and separates from the rotating column 23. Then, the user rotates the hydraulic cylinder 24 with the cooperation of the rotating column 23. The hydraulic cylinder 24 rotates and the angle of the cutting blade 28 is adjusted. When the cutting blade 28 is adjusted to a suitable angle, the locking knob 25 is rotated forward and the locking knob 25 moves toward the fixed sleeve 22. The internal movement limits and fixes the rotating column 23, and finally the hydraulic cylinder 24 and the third motor 29 are started. The output end of the third motor 29 drives the fourth rotating shaft 27, and the fourth rotating shaft 27 drives the cutting blade 28, so that the cutting blade 28 rotates at high speed, and the telescopic end of the hydraulic cylinder 24 extends outward, thereby controlling the rotating cutting blade 28 to move downward to cut the steel structure body 2, so that the device can adjust the cutting angle of the steel structure body 2, so as to cut the steel structure body 2 at a suitable angle, thereby improving practicality and solving the problem that the existing adjustable cutting device for steel structure processing does not have the function of cutting the steel structure at a bevel.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable cutting device for steel structure processing, comprising: Chassis (1); The invention is characterized in that a steel structure body (2) is provided on the top of the chassis (1), a gantry (3) is provided on the top of the steel structure body (2), the gantry (3) is fixedly connected to the chassis (1), positioning claws (4) are provided on both sides of the steel structure body (2), the bottoms of the positioning claws (4) are fixedly connected to moving blocks (5), and the moving blocks (5) are slidably connected to the chassis (1); The interior of the chassis (1) is provided with a rotating mechanism (6) for controlling the positioning claws (4) to position and clamp the steel structure body (2); A lifting mechanism (7) capable of adjusting the cutting angle is provided inside the gantry (3).

2. The adjustable cutting device for steel structure processing according to claim 1, characterized in that: The rotating mechanism (6) comprises: The chassis (1) is internally rotatably connected to two first rotating shafts (8), the outer surfaces of the first rotating shafts (8) are fixedly connected to rotating plates (9), the top sides of the rotating plates (9) are fixedly connected to second rotating shafts (10), the outer surfaces of the second rotating shafts (10) are rotatably connected to linkage rods (11), the ends of the linkage rods (11) away from the second rotating shafts (10) are rotatably connected to third rotating shafts (12), and the top ends of the third rotating shafts (12) are fixedly connected to the moving blocks (5) respectively; The bottom of each rotating plate (9) is provided with a synchronous wheel (13), and the two synchronous wheels (13) are respectively fixed to the outer surface of the first rotating shaft (8), and the two synchronous wheels (13) are connected by a synchronous belt (14); A power mechanism (15) for controlling the positioning claw (4) to self-lock is provided at the bottom of one of the synchronous wheels (13).

3. The adjustable cutting device for steel structure processing according to claim 2, characterized in that: The power mechanism (15) comprises: A worm wheel (16) is provided at the bottom of one of the synchronous wheels (13), the worm wheel (16) is fixed to the outer surface of the first rotating shaft (8), a worm (17) is meshed with one side of the worm wheel (16), and one end of the worm (17) is rotatably connected to the chassis (1); The other end of the worm (17) passes through the chassis (1) and extends to the first motor (18); the first motor (18) is fixedly connected to the chassis (1); and the worm (17) is fixedly connected to the output end of the first motor (18).

4. The adjustable cutting device for steel structure processing according to claim 1, characterized in that: The lifting mechanism (7) comprises: The gantry (3) is internally rotatably connected with a screw rod (19), one end of the screw rod (19) is rotatably connected to the gantry (3), the other end of the screw rod (19) passes through the gantry (3) and extends to the second motor (20), the second motor (20) is fixedly connected to the gantry (3), the screw rod (19) is fixedly connected to the output end of the second motor (20), and the outer surface of the screw rod (19) is threadedly connected to a moving block (21). The bottom of the moving block (21) is fixedly connected to a fixed sleeve (22), the interior of the fixed sleeve (22) is rotatably connected to a rotating column (23), the bottom of the rotating column (23) is fixedly connected to a hydraulic cylinder (24), a locking knob (25) is provided on one side of the fixed sleeve (22), one end of the locking knob (25) passes through the fixed sleeve (22) and extends to the rotating column (23), and the locking knob (25) is threadedly connected to the fixed sleeve (22); The telescopic end of the hydraulic cylinder (24) is fixedly connected to a protective sleeve (26), the interior of the protective sleeve (26) is rotatably connected to a fourth rotating shaft (27), a cutting blade (28) is fixedly connected to the middle outer surface of the fourth rotating shaft (27), the protective sleeve (26) is fixedly connected to a third motor (29) near the fourth rotating shaft (27), and the fourth rotating shaft (27) is fixedly connected to the output end of the third motor (29).

5. The adjustable cutting device for steel structure processing according to claim 4, characterized in that: Slide rods (30) are provided on both sides of the screw rod (19), both ends of the slide rod (30) are fixedly connected to the gantry (3), and the moving block (21) is slidably connected to the slide rod (30).

6. The adjustable cutting device for steel structure processing according to claim 1, characterized in that: The chassis (1) is evenly provided with three rollers (31) near the steel structure body (2), and the rollers (31) are all rotatably connected to the chassis (1).

7. The adjustable cutting device for steel structure processing according to claim 1, characterized in that: A damping pad (32) is provided on one side of the positioning claw (4) close to the steel structure body (2), and the damping pad (32) is fixedly connected to the positioning claw (4) respectively.

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