CN-116604986-B - Vehicle suspension system suitable for integral axle and assembly method

CN116604986BCN 116604986 BCN116604986 BCN 116604986BCN-116604986-B

Abstract

The invention belongs to the technical field of vehicle suspensions, and particularly relates to a vehicle suspension system suitable for an integral axle and an assembly method. The invention comprises a fixing device symmetrically arranged on clamping positions at two ends of an integral axle, wherein a frame connecting device used for being connected with a frame and a supporting component used for supporting the frame are arranged on the fixing device, the fixing device comprises an upper connecting piece, a lower connecting piece, a front connecting piece and a rear connecting piece, and when the fixing device is arranged on the integral axle, the upper connecting piece is connected with the lower connecting piece, and the front connecting piece is connected with the rear connecting piece through adjusting rods. The fixing device and the axle are mounted with adjustable width and height through the adjusting rod, so that the problems that one vehicle suspension system of the axle needs to be matched and the axle needs to be customized and modified in a targeted manner in the prior art are solved, the assembly time is effectively saved, the assembly efficiency is improved, and the mounting stability of the axle and the suspension system is guaranteed.

Inventors

WANG XIAOFEI
ZHANG JIE
ZHONG XUN
SANG TAO
MA XUEFENG
GE YUNXIAO

Assignees

常州科研试制中心有限公司

Dates

Publication Date: 20260505
Application Date: 20230628

Claims (6)

1. A vehicle suspension system suitable for an integral axle is characterized by comprising a fixing device (2) symmetrically arranged on clamping positions (11) at two ends of the integral axle (1), wherein a frame connecting device (3) used for connecting with a frame and a supporting component (4) used for supporting the frame are arranged on the fixing device (2); The fixing device (2) comprises an upper connecting piece (21), a lower connecting piece (22), a front connecting piece (23) and a rear connecting piece (24), wherein when the fixing device (2) is installed on the integral axle (1), the upper connecting piece (21) and the lower connecting piece (22) and the front connecting piece (23) and the rear connecting piece (24) are connected through adjusting rods; The adjusting rod comprises at least two vertical adjusting rods for connecting the upper connecting piece (21) and the lower connecting piece (22) and at least two transverse adjusting rods for connecting the front connecting piece (23) and the rear connecting piece (24), wherein the transverse adjusting rods and the vertical adjusting rods are arranged in a staggered manner; the upper connecting piece (21), the lower connecting piece (22), the front connecting piece (23) and the rear connecting piece (24) are respectively provided with a plurality of through holes for penetrating the adjusting rods, and the vertical adjusting rods sequentially penetrate through the upper connecting piece through holes, the vertical assembly grooves (12) on the axle clamping position (11) and the lower connecting piece through holes; Limiting grooves (25) are formed in the end faces, corresponding to the integral axle (1), of the upper connecting piece (21) and the lower connecting piece (22), and when the upper connecting piece (21), the lower connecting piece (22) and the integral axle (1) are installed, assembling bosses (13) on the upper end face and the lower end face of the integral axle (1) are clamped in the limiting grooves (25).
2. A vehicle suspension system suitable for a monolithic axle as set forth in claim 1 wherein a first connecting seat (51) is mounted on a plate surface of one rear connecting piece (24) away from said monolithic axle (1), a second connecting seat (52) is mounted on a plate surface of the other rear connecting piece (24) away from said monolithic axle (1), shock absorbers (6) are mounted on both said first connecting seat (51) and said second connecting seat (52), a transverse thrust rod (7) is further mounted on said second connecting seat (52), and one end of said transverse thrust rod (7) away from said second connecting seat (52) is connected with a vehicle frame.
3. A vehicle suspension system suitable for a monolithic axle as set forth in claim 1 wherein said support assembly (4) comprises a spring spindle (41) mounted on said upper connector (21) and a coil spring (42) sleeved on said spring spindle (41), a flexible limit post (43) is disposed in said coil spring (42), said flexible limit post (43) being fixedly connected to an upper end surface of said spring spindle (41).
4. A vehicle suspension system for a one-piece axle according to claim 3, wherein said frame attachment means (3) comprises a docking bracket (31) fixedly mounted to both said attachment means (2) and a docking head (32) rotatably mounted to said docking bracket (31), said docking bracket (31) rotatably mounted with a lateral stabilizing device (8).
5. A vehicle suspension system suitable for an integral axle as set forth in claim 4 wherein said docking bracket (31) is a V-shaped bracket, the top end of said V-shaped bracket is rotatably connected to said docking head (32), and the two open ends of said V-shaped bracket are fixedly mounted to said two attachment means (2), respectively.
6. A method of assembling a vehicle suspension system for a one-piece axle as defined in claim 5 comprising the steps of: A1. fixedly mounting a frame connecting device (3) and two front connecting pieces (23); A2. The upper connecting piece (21) and the lower connecting piece (22) are correspondingly arranged on the upper end face and the lower end face of the clamping position (11) of the integral axle (1), and an adjusting rod is penetrated to fix the upper connecting piece (21) and the lower connecting piece (22); A3. the front connecting piece (23) and the rear connecting piece (24) are correspondingly arranged on the front end face and the rear end face of the clamping position (11) of the integral axle (1) and are abutted with the end faces of the upper connecting piece (21) and the lower connecting piece (22), and an adjusting rod is penetrated to fix the front connecting piece (23) and the rear connecting piece (24); A4. mounting a supporting component (4), a shock absorber (6) and a transverse thrust rod (7); A5. and the transverse stabilizing device (8) is rotatably arranged on a butt joint supporting frame (31) of the frame connecting device (3), and the butt joint (32) and the top of the butt joint supporting frame (31) are rotatably arranged.

Description

Vehicle suspension system suitable for integral axle and assembly method Technical Field The invention belongs to the technical field of vehicle suspensions, and particularly relates to a vehicle suspension system suitable for an integral axle and an assembly method. Background The vehicle suspension system refers to a force transmission supporting structure between a vehicle body and wheels for supporting the vehicle body, buffering an impact force transmitted to the vehicle frame or the vehicle body from an uneven road surface, and damping vibration caused thereby, so as to improve a riding experience of a rider and ensure that the vehicle can run smoothly. The vehicle suspension system of the integral axle can enable the wheels to be perpendicular to the ground as much as possible, and provides stronger ground-grasping force. However, existing vehicle suspension systems for one-piece axles typically provide for the connection between the axle and the vehicle frame by means of a rigid body or leaf spring, which suffers from the following drawbacks: (1) When the vehicle passes through an uneven road surface, the whole vehicle jolts and vibrates to cause that the vehicle is difficult to control, the comfort of drivers and passengers is influenced, and the parts of the vehicle are easy to damage too early; (2) The suspension connected through the leaf springs has great leaf spring weight, increases the mass and occupied space of the whole vehicle, greatly influences the arrangement of the whole vehicle and has great vibration noise; (3) In the prior art, when the vehicle suspension system is installed with an axle, the axle needs to be customized and modified in order to ensure the stability of the vehicle suspension system and the axle, for example, a connecting seat, a bracket and the like are welded on the axle, time and labor are wasted, the axle is easy to damage in the welding process, and meanwhile, the vehicle suspension system needs to be specifically designed aiming at the axles with different heights and different structures, so that the production cost of the vehicle is higher, and the vehicle suspension system has no wide applicability. Disclosure of Invention The invention aims to overcome the defects of larger vehicle vibration, poor comfort of drivers and passengers, easy damage of vehicle parts, high noise and need to customize and reform an axle in the prior art, and provides a vehicle suspension system and an assembly method which have small occupied space and wide applicability and are suitable for an integral axle. The technical scheme adopted by the invention for solving the technical problems is that the vehicle suspension system suitable for the integral axle comprises fixing devices symmetrically arranged on clamping positions at two ends of the integral axle, wherein the fixing devices are provided with a frame connecting device for connecting with a frame and a supporting component for supporting the frame; the fixing device comprises an upper connecting piece, a lower connecting piece, a front connecting piece and a rear connecting piece, wherein when the fixing device is installed on the integral axle, the upper connecting piece is connected with the lower connecting piece, and the front connecting piece is connected with the rear connecting piece through an adjusting rod. Further, the adjusting rod comprises at least two vertical adjusting rods for connecting the upper connecting piece and the lower connecting piece and at least two transverse adjusting rods for connecting the front connecting piece and the rear connecting piece, and the transverse adjusting rods and the vertical adjusting rods are mutually staggered. Further, all offer a plurality of through-holes that are used for wearing to establish the regulation pole on last connecting piece, lower connecting piece, preceding connecting piece and the back connecting piece, vertical regulation pole passes in proper order and goes up vertical assembly groove and the lower connecting piece through-hole on connecting piece through-hole, the axle dress clamp position. Further, the adjusting rod is a long screw. Further, a first connecting seat is arranged on the surface, far away from the axle, of one rear connecting piece, a second connecting seat is arranged on the surface, far away from the axle, of the other rear connecting piece, vibration absorbers are arranged on the first connecting seat and the second connecting seat, a transverse thrust rod is further arranged on the first connecting seat, and one end, far away from the second connecting seat, of the transverse thrust rod is connected with a frame. Further, the support assembly comprises a spring mandrel arranged on the upper connecting piece and a spiral spring sleeved on the spring mandrel, wherein a flexible limit column is arranged in the spiral spring and fixedly connected with the upper end face of the spring mandrel. Further, limiting grooves are formed in the