Rear axle bushing pressing device
By designing a rear axle bushing pressing device including mounting base, lead screw slider component, cylinder pressing component and clamping component, the existing device has solved the problems of complex structure, low reliability and high maintenance cost, and the rapid clamping and pressing of rear axles and bushings of different specifications is achieved, simplifying the structure and reducing maintenance costs.
Patent Information
- Application Number
- CN202422215633.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-10
Smart Images

Figure CN223028987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts processing, and particularly relates to a rear axle bushing pressing device. Background Technique
[0002] As an important part of vehicle power transmission and support, the rear axle is composed of two half axles and can perform half axle differential movement. It is also a device used to support the wheels and connect the rear wheels. In order to reduce the friction between the rear axle and other components and extend the service life of the rear axle, a bushing is usually added inside the rear axle to serve as a buffer layer between the rear axle and other components, thereby reducing the direct contact and friction between the components.
[0003] When the existing rear axle bushing pressing device works, it often needs to press rear axles and bushings of different specifications. To meet these different usage requirements, a large number of structures are added, which makes the structure of the fixture more complex, reduces the reliability, is not convenient for subsequent detection and maintenance work, increases the maintenance cost, and reduces the working efficiency of the device. Therefore, we propose a rear axle bushing pressing device to solve the problems mentioned above. Content of the Utility Model
[0004] The purpose of the utility model is to provide a rear axle bushing pressing device to solve the problems in the above background technique that when the existing rear axle bushing pressing device works, it often needs to press rear axles and bushings of different specifications. To meet these different usage requirements, a large number of structures are added, which makes the structure of the fixture more complex, reduces the reliability, is not convenient for subsequent detection and maintenance work, increases the maintenance cost, and reduces the working efficiency of the device.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A rear axle bushing pressing device includes a mounting base. One end of the top of the mounting base is provided with a lead screw slider component, and the other end of the top of the mounting base is provided with a cylinder pressing component. A clamping component mounting seat is arranged on one side of the lead screw slider component close to the cylinder pressing component. Two linear guides are symmetrically arranged on both sides of the bottom of the lead screw slider component. A rear axle support ring is arranged on the top of the lead screw slider component. A bushing support component is arranged on one side of the cylinder pressing component close to the clamping component mounting seat. A cylinder clamping component is arranged on the top of the clamping component mounting seat.
[0007] Further, the cylinder pressing component includes a cylinder mounting seat. A pressing cylinder is arranged on the top of the cylinder mounting seat. The cylinder mounting seat is fixedly connected to the mounting base, and the pressing cylinder is fixedly connected to the cylinder mounting seat.
[0008] Further, the bushing support component includes a bushing cylinder. A linkage rod mounting block is provided at one end of the bushing cylinder away from the pressing cylinder. A pull rod rotating block is provided on the pneumatic rod of the bushing cylinder. The bottom of the bushing cylinder is fixedly connected to the pneumatic rod of the pressing cylinder. A plurality of first linkage rods are evenly spaced around the axis on the linkage rod mounting block. The bottom of the linkage rod mounting block is fixedly connected to the bushing cylinder. A plurality of pull rods are evenly spaced around the axis on the pull rod rotating block. A second linkage rod is provided on the side of the plurality of first linkage rods close to the axis. The other end of the first linkage rod is provided with a bushing support block. One end of the first linkage rod is rotatably connected to the linkage rod mounting block, and the other end of the first linkage rod is rotatably connected to the bushing support block. One end of the plurality of pull rods is rotatably connected to the pull rod rotating block, and the other end of the pull rod is rotatably connected to the second linkage rod. One end of the second linkage rod is rotatably connected to the linkage rod mounting block, and the other end of the second linkage rod is rotatably connected to the bushing support block.
[0009] Further, the clamping component mounting seat is fixedly connected to the mounting base. The cylinder clamping component includes a clamping cylinder. A push rod is provided on the pneumatic rod of the clamping cylinder. Two waist-shaped grooves are symmetrically provided at both ends of the push rod. A rear axle support pad is provided on the top of the push rod. The bottom of the push rod is fixedly connected to the pneumatic rod of the clamping cylinder. Two rotating clamping rods are provided inside the two waist-shaped grooves. The other ends of the two rotating clamping rods are provided with rear axle clamping pads. One end of the rotating clamping rod is slidably connected to the waist-shaped groove, and the other end of the rotating clamping rod is rotatably connected to the clamping component mounting seat. The rear axle clamping pad is fixedly connected to the rotating clamping rod.
[0010] Further, the lead screw slider component includes a lead screw, a lead screw mounting seat, a handwheel and a slider. Both ends of the lead screw are rotatably connected to the lead screw mounting seat. One end of the lead screw passes through the lead screw mounting seat and is fixedly connected to the handwheel. The lead screw mounting seat is fixedly connected to the mounting base. The slider is threadedly connected to the lead screw. Both sides of the bottom of the slider are respectively slidably connected to two linear guide rails. The two linear guide rails are fixedly connected to the mounting base.
[0011] Further, a conical inclined surface is provided on one side of the rear axle support ring close to the cylinder clamping component. The rear axle support ring is fixedly connected to the slider. A plurality of circular steps are evenly spaced on the conical inclined surface.
[0012] Compared with the prior art, the beneficial effects of the present utility model are:
[0013] 1. The utility model is provided with a mounting base, wherein a lead screw slider component is provided at one end of the top of the mounting base, a clamping component mounting seat is provided at one side of the lead screw slider component, a rear axle support ring is provided at the top of the lead screw slider component, and a cylinder clamping component is provided at the top of the clamping component mounting seat, wherein the cylinder clamping component includes a clamping cylinder, a push rod, a waist groove, a rear axle support pad, a rotating clamping rod and a rear axle clamping pad. In this process, the push rod is driven by the clamping cylinder, and then the rotating clamping rods on both sides are driven to slide inside the waist groove, so that the rear axle support pad on the top of the push rod and the rear axle clamping pad on the top of the rotating clamping rod clamp the rear axle, and the lead screw slider component is rotated to drive the rear axle support ring to support the bottom of the rear axle, so that rear axles of different diameters and lengths can be quickly clamped and fixed, and the structure is simple, which is convenient for detection and maintenance, and reduces maintenance costs.
[0014] 2. The utility model is provided with a cylinder pressing component, and a bushing support component is provided on one side of the cylinder pressing component, and the bushing support component includes a bushing cylinder, a linkage rod mounting block, a pull rod rotating block, a first linkage rod, a pull rod, a second linkage rod and a bushing support block. In this process, the bushing cylinder drives the pull rod rotating block to move, and then drives the pull rod to pull the second linkage rod, so that the bushing support block opens and supports the bushing, and the cylinder pressing component drives the bushing cylinder, so that the bushing is pressed toward the rear axle, which can quickly support bushings of different sizes, and has a simple structure, which is easy to detect and maintain, and reduces maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the installation structure of the cylinder clamping component of the utility model;
[0017] Figure 3 This is a schematic diagram of the installation structure of the bushing support component of the utility model;
[0018] Figure 4 This is a schematic diagram of the installation structure of the screw slider component of the utility model;
[0019] Reference numerals: 1, mounting base; 2, lead screw slider assembly; 201, lead screw; 202, lead screw mounting seat; 203, hand wheel; 204, slider; 3, cylinder pressing assembly; 301, cylinder mounting seat; 302, pressing cylinder; 4, clamping component mounting seat; 5, linear guide rail; 6, rear axle support ring; 601, conical inclined surface; 602, circular step; 7, bushing support assembly; 701, bushing cylinder; 702, linkage rod mounting block; 703, pull rod rotating block; 704, first linkage rod; 705, pull rod; 706, second linkage rod; 707, bushing support block; 8, cylinder clamping assembly; 801, clamping cylinder; 802, push rod; 803, waist-shaped groove; 804, rear axle support pad; 805, rotating clamping rod; 806, rear axle clamping pad. Detailed implementation manners
[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0021] Please refer to Figures 1 - 4 , the present invention provides a technical solution: a rear axle bushing pressing device, including a mounting base 1, one end of the top of the mounting base 1 is provided with a lead screw slider assembly 2, the other end of the top of the mounting base 1 is provided with a cylinder pressing assembly 3, a clamping component mounting seat 4 is arranged on one side of the lead screw slider assembly 2 close to the cylinder pressing assembly 3, two linear guide rails 5 are symmetrically arranged on both sides of the bottom of the lead screw slider assembly 2, a rear axle support ring 6 is arranged on the top of the lead screw slider assembly 2, a bushing support assembly 7 is arranged on one side of the cylinder pressing assembly 3 close to the clamping component mounting seat 4, and a cylinder clamping assembly 8 is arranged on the top of the clamping component mounting seat 4.
[0022] The cylinder pressing assembly 3 includes a cylinder mounting seat 301, a pressing cylinder 302 is arranged on the top of the cylinder mounting seat 301, the cylinder mounting seat 301 is fixedly connected to the mounting base 1, and the pressing cylinder 302 is fixedly connected to the cylinder mounting seat 301. In this embodiment, by setting the pressing cylinder 302, the bushing support assembly 7 can be pushed to drive the bushing to complete the pressing action.
[0023] The bushing support member 7 includes a bushing cylinder 701. At one end of the bushing cylinder 701 away from the pressing cylinder 302, there is a linkage rod mounting block 702. On the pneumatic rod of the bushing cylinder 701, there is a pull rod rotating block 703. The bottom of the bushing cylinder 701 is fixedly connected to the pneumatic rod of the pressing cylinder 302. The linkage rod mounting block 702 is provided with a plurality of first linkage rods 704 at equal intervals around the axis. The bottom of the linkage rod mounting block 702 is fixedly connected to the bushing cylinder 701. The pull rod rotating block 703 is provided with a plurality of pull rods 705 at equal intervals around the axis. On the side of the plurality of first linkage rods 704 close to the axis, there is a second linkage rod 706. The other end of the first linkage rod 704 is provided with a bushing support block 707. One end of the first linkage rod 704 is rotatably connected to the linkage rod mounting block 702, and the other end of the first linkage rod 704 is rotatably connected to the bushing support block 707. One end of each of the plurality of pull rods 705 is rotatably connected to the pull rod rotating block 703, and the other end of the pull rod 705 is rotatably connected to the second linkage rod 706. One end of the second linkage rod 706 is rotatably connected to the linkage rod mounting block 702, and the other end of the second linkage rod 706 is rotatably connected to the bushing support block 707. In this embodiment, the bushing cylinder 701 drives the pull rod rotating block 703, thereby driving the pull rods 705, pulling the second linkage rod 706, so that the bushing support block 707 opens. The bushing support block 707 is prevented from tilting during the opening process through the first linkage rod 706, and better supports the bushing.
[0024] The clamping component mounting seat 4 is fixedly connected to the mounting base 1. The cylinder clamping component 8 includes a clamping cylinder 801. On the pneumatic rod of the clamping cylinder 801, there is a push rod 802. At both ends of the push rod 802, there are symmetrically arranged two waist-shaped slots 803. On the top of the push rod 802, there is a rear axle support pad 804. The bottom of the push rod 802 is fixedly connected to the pneumatic rod of the clamping cylinder 801. Inside the two waist-shaped slots 803, there are two rotating clamping rods 805. At the other ends of the two rotating clamping rods 805, there is a rear axle clamping pad 806. One end of the rotating clamping rod 805 is slidably connected to the waist-shaped slot 803, and the other end of the rotating clamping rod 805 is rotatably connected to the clamping component mounting seat 4. The rear axle clamping pad 806 is fixedly connected to the rotating clamping rod 805. In this embodiment, the clamping cylinder 801 drives the push rod 802, thereby driving the two rotating clamping rods 805 on both sides, so that the rear axle support pad 804 and the rear axle clamping pad 806 clamp the rear axle at the same time. The structure is simple, it is convenient to disassemble and assemble the rear axle, and the work efficiency is improved.
[0025] The screw rod slider component 2 includes a screw rod 201, a screw rod mounting base 202, a handwheel 203, and a slider 204. Both ends of the screw rod 201 are rotatably connected to the screw rod mounting base 202. One end of the screw rod 201 passes through the screw rod mounting base 202 and is fixedly connected to the handwheel 203. The screw rod mounting base 202 is fixedly connected to the mounting base 1. The slider 204 is threadedly connected to the screw rod 201. Both sides of the bottom of the slider 204 are respectively slidably connected to two linear guide rails 5. The two linear guide rails 5 are fixedly connected to the mounting base 1. In this embodiment, by rotating the handwheel 203, the screw rod 201 is driven to rotate, and further the rear axle support ring 6 at the top of the slider 204 is driven to move, so as to support the bottom of the rear axle with different lengths, facilitating the press-fitting operation of the rear axle bushing.
[0026] A conical inclined surface 601 is arranged on one side of the rear axle support ring 6 close to the cylinder clamping component 8. The rear axle support ring 6 is fixedly connected to the slider 204. Multiple circular steps 602 are evenly spaced on the conical inclined surface 601. In this embodiment, by arranging the conical inclined surface 601, it is convenient for the bottom of the rear axle to enter the inside of the rear axle support ring 6, and the inclined surface can play a certain role in fixing and supporting. By arranging the circular steps 602, the bottom of the rear axle can be effectively supported, facilitating the press-fitting operation of the rear axle bushing.
[0027] Working principle: Place the rear axle into the cylinder clamping component 8, clamp the cylinder 801, drive the push rod 802, and further drive the two side rotating clamping rods 805 to slide in the waist-shaped groove 803, so that the rear axle support pad 804 and the rear axle clamping pad 806 clamp the rear axle at the same time. Rotate the handwheel 203, drive the screw rod 201 to rotate, and further drive the rear axle support ring 6 at the top of the slider 204 to move, so that the bottom of the rear axle slides into contact with the conical inclined surface 601 and the circular steps 602 to support the bottom of the rear axle. Place the bushing on the bushing support block 707. The bushing cylinder 701 drives the pull rod rotating block 703, and further drives the pull rod 705 to pull the second linkage rod 706, so that the bushing support block 707 opens to support the bushing. The press-fitting cylinder 302 drives the bushing cylinder 701, and further drives the bushing and the rear axle to complete the press-fitting operation.
[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A rear axle bushing pressing device, characterized in that: The invention comprises a mounting base (1), wherein a lead screw slider component (2) is arranged at one end of the top of the mounting base (1), a cylinder pressing component (3) is arranged at the other end of the top of the mounting base (1), a clamping component mounting seat (4) is arranged on the side of the lead screw slider component (2) close to the cylinder pressing component (3), two linear guide rails (5) are symmetrically arranged on both sides of the bottom of the lead screw slider component (2), a rear axle support ring (6) is arranged on the top of the lead screw slider component (2), a bushing support component (7) is arranged on the side of the cylinder pressing component (3) close to the clamping component mounting seat (4), and a cylinder clamping component (8) is arranged on the top of the clamping component mounting seat (4).
2. A rear axle bushing pressing device according to claim 1, characterized in that: The cylinder pressing component (3) comprises a cylinder mounting seat (301), a pressing cylinder (302) is arranged on the top of the cylinder mounting seat (301), the cylinder mounting seat (301) is fixedly connected to the mounting base (1), and the pressing cylinder (302) is fixedly connected to the cylinder mounting seat (301).
3. A rear axle bushing pressing device according to claim 2, characterized in that: The bushing support component (7) includes a bushing cylinder (701), a linkage rod mounting block (702) is provided at one end of the bushing cylinder (701) away from the pressing cylinder (302), a pull rod rotating block (703) is provided on the pneumatic rod of the bushing cylinder (701), the bottom of the bushing cylinder (701) is fixedly connected to the pneumatic rod of the pressing cylinder (302), the linkage rod mounting block (702) is evenly spaced around the axial direction with a plurality of first linkage rods (704), the bottom of the linkage rod mounting block (702) is fixedly connected to the bushing cylinder (701), the pull rod rotating block (703) is evenly spaced around the axis, and the plurality of first linkage rods (705) are evenly spaced around the axis. A second linkage rod (706) is arranged on one side of the rod (704) close to the axis, and a bushing support block (707) is arranged on the other end of the first linkage rod (704); one end of the first linkage rod (704) is rotatably connected to the linkage rod mounting block (702), and the other end of the first linkage rod (704) is rotatably connected to the bushing support block (707); one end of the plurality of pull rods (705) is rotatably connected to the pull rod rotating block (703), and the other end of the pull rod (705) is rotatably connected to the second linkage rod (706); one end of the second linkage rod (706) is rotatably connected to the linkage rod mounting block (702), and the other end of the second linkage rod (706) is rotatably connected to the bushing support block (707).
4. The rear axle bushing pressing device according to claim 1, characterized in that: The clamping component mounting seat (4) is fixedly connected to the mounting base (1), and the cylinder clamping component (8) includes a clamping cylinder (801), and a push rod (802) is arranged on the pneumatic rod of the clamping cylinder (801), and two waist-shaped grooves (803) are symmetrically arranged at both ends of the push rod (802), and a rear axle support pad (804) is arranged on the top of the push rod (802), and the bottom of the push rod (802) is fixedly connected to the pneumatic rod of the clamping cylinder (801), and two rotating clamping rods (805) are arranged inside the two waist-shaped grooves (803), and the other ends of the two rotating clamping rods (805) are provided with rear axle clamping pads (806), one end of the rotating clamping rod (805) is slidably connected to the waist-shaped groove (803), and the other end of the rotating clamping rod (805) is rotatably connected to the clamping component mounting seat (4), and the rear axle clamping pad (806) is fixedly connected to the rotating clamping rod (805).
5. The rear axle bushing pressing device according to claim 1, characterized in that: The lead screw slider component (2) comprises a lead screw (201), a lead screw mounting seat (202), a hand wheel (203) and a slider (204); both ends of the lead screw (201) are rotatably connected to the lead screw mounting seat (202); one end of the lead screw (201) passes through the lead screw mounting seat (202) and is fixedly connected to the hand wheel (203); the lead screw mounting seat (202) is fixedly connected to the mounting base (1); the slider (204) is threadedly connected to the lead screw (201); two sides of the bottom of the slider (204) are respectively slidably connected to two linear guide rails (5); and the two linear guide rails (5) are fixedly connected to the mounting base (1).
6. A rear axle bushing pressing device according to claim 5, characterized in that: A conical inclined surface (601) is provided on one side of the rear axle support ring (6) close to the cylinder clamping component (8); the rear axle support ring (6) is fixedly connected to the slider (204); and a plurality of circular steps (602) are evenly spaced on the conical inclined surface (601).