CN201362148Y

CN201362148Y - Equalizer suspension structure

Info

Publication number: CN201362148Y
Application number: CNU2008202227128U
Authority: CN
Inventors: 何文力; 范翠玲
Original assignee: SHAANXI TONLY HEAVY INDUSTRY Co Ltd
Current assignee: Shaanxi Tonly Heavy Industries Co., Ltd.
Priority date: 2008-11-28
Filing date: 2008-11-28
Publication date: 2009-12-16
Anticipated expiration: 2018-11-28

Abstract

The utility model relates to a suspension structure of an engineering vehicle, in particular to an equalizer suspension structure, which at least comprises a main spring, a connecting piece, a propelling rod, an equalizer (4), supports, a rear axle (10), a shaft, an intermediate axle (18), a bearing, a frame (23) and four transverse beams (24). The utility model is characterized in that the equalizer (4) is of concave type and is provided with an upward opening. The utility model has the advantage that the structure can improve the bearing capacity and can fully relieve and restrain the vibration and the shock caused by uneven road.

Description

A kind of equalizer suspension frame structure

Technical field

The utility model relates to a kind of suspension frame structure of engineering truck, particularly about a kind of equalizer suspension frame structure.

Background technology

Traditional engineering uses saddle clamp that Multi-Leaf Springs is installed in the balance shaft housing groove with in the car rear suspension, and two ends are installed on the leaf spring slide plate chair on the bridge, and load-carrying is passed to subframe, vehicle frame, leaf spring to bridge and tire by container with power, Zhongdao ground.Steel spring is main load member and shock absorber part in suspension frame structure, causes the leaf spring rapid wear easily.Simultaneously in engineering truck uses, owing to limited by domestic heat treatment integral level, improve the load-carrying capacity of vehicle, if the Multi-Leaf Springs thickening is too many, crack formed during heat-treatment can appear, can reduce elasticity simultaneously, engineering truck travels and uses at uneven road surface like this, cause vehicle to jolt seriously, steel spring is easily broken, and driver's labour intensity increases.

Summary of the invention

In order to improve the load-carrying capacity of suspension, improve conventional steel plates spring suspension deficiency, the purpose of this utility model provides a kind of equalizer suspension frame structure, and it can improve load-carrying capacity, can also fully relax, draw up because vibration and the impact that Uneven road causes.

The technical solution of the utility model is, design a kind of equalizer suspension frame structure, which comprises at least main spring, attaching parts, propelling rod, equalizer, various support, back axle, axle, jackshaft, bearing, vehicle frame, four crossbeams, it is characterized in that: its equalizer is the concave shape that opening makes progress.

Described main spring is a rubber spring.

Described propelling rod comprises upper thrust rod and lower thrust rod, and upper thrust rod is the vee shape structure.

Described rubber spring is by the two ends of bolted connection at vehicle frame left side equalizer, other two rubber springs are by the two ends of bolted connection at vehicle frame right side equalizer, and four rubber spring lower planes are connected on the axle housing finished surface of jackshaft and back axle by bolt; Rubber shaft bearing is passed through in the equalizer middle part, the rubber shaft bearing lid, bolted connection is at the balance shaft two ends, balance shaft fixedly is through in the balance shaft support, two balance shaft supports by bolted connection on vehicle frame, stomidium connects four lower thrust rods respectively by bolt under two balance shaft supports, the other end of four lower thrust rods passes through pin, the lower thrust rod support, bolt difference vertical equity secured in parallel is on jackshaft and back axle, two V-arrangement upper thrust rod one ends are respectively by upper thrust rod bridge end support, bolt, bolt and pin are connected on the bridge package location finished surface of jackshaft and back axle middle part, two V-arrangement upper thrust rod other ends by upper thrust rod beam-ends support and bolted connection on four crossbeams and vehicle frame.

Characteristics of the present utility model are: it is by equalizer design and being used in combination after rubber spring is connected, upper thrust rod uses single V bar simultaneously, lower thrust rod adopts the straight-bar vertical equity to be arranged in parallel, the equalizer suspension frame structure that forms, except that improving the load-carrying capacity, can also fully relax, draw up because the Uneven road vibration and the impact that cause, guarantee that chaufeur takes advantage of seat comfortable and goods carried are intact; Except that transmitting the vehicle vertical power, also transmit the power and the moment of other each side, and guarantee between wheel and the vehicle frame definite movement relation is arranged, make car load have good driving performance.Its invention characteristics are not use carrying and the damping parts of traditional steel spring as suspension, and main carrying and damping, power transmission parts are equalizer, rubber spring and propelling rod in the suspension.Main carrying and damping, power transmission parts are equalizer and rubber spring in this suspension system.

Description of drawings

The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.

Fig. 1 is the utility model equalizer suspension frame structure front view;

Fig. 2 is the utility model equalizer suspension frame structure birds-eye view;

Fig. 3 is an equalizer profile scheme drawing.

Among the figure: 1, rubber spring; 2, bolt; 3, upper thrust rod; 4, equalizer; 5, upper thrust rod beam-ends support; 6, bolt; 7, bolt; 8, upper thrust rod bridge end support; 9, bolt; 10, back axle; 11, bolt; 12, lower thrust rod support; 13, lower thrust rod; 14, balance shaft support; 15, bolt; 16, balance shaft; 17, pin; 18, jackshaft; 19, rubber shaft bearing; 20, rubber shaft bearing lid; 21, bolt; 22, bolt; 23, vehicle frame; 24, four crossbeams.

The specific embodiment

Embodiment 1 as depicted in figs. 1 and 2, totally four of rubber springs 1, be connected the two ends of vehicle frame 23 left side equalizers 4 above two by bolt 2, be connected the two ends of vehicle frame 23 right side equalizers 4 above other two by bolt 2, four rubber springs 1 are connected on the axle housing finished surface of jackshaft 18 and back axle 10 below by bolt 11; Equalizer 4 middle parts rubber shaft bearing 19, rubber shaft bearing lid 20, bolt 21 is connected balance shaft 16 two ends, balance shaft 16 is fixed in the balance shaft support 14, two balance shaft supports 14 are connected on the vehicle frame 23 by bolt 22, descend simultaneously stomidium to connect four lower thrust rods 13 by bolt 15, four propelling rod 13 other ends are by pin 17, lower thrust rod support 12, bolt 11 vertical equities are arranged in parallel in jackshaft 18 and the back axle 10, two V-arrangement upper thrust rod 3 one ends are respectively by upper thrust rod bridge end support 8, bolt 9, bolt 7 and pin 17 are connected on the finished surface of jackshaft 18 and back axle 10 middle part bridge package locations, two V-arrangement upper thrust rod 3 other ends are connected on four crossbeams 24 and the vehicle frame 23 by upper thrust rod beam-ends support 5 and bolt 6, connect by above installation, six roots of sensation propelling rod is being controlled the tram of bridge, simultaneously transmission of drive force, braking force.Heavy duty power passes on the bridge by vehicle frame 23, four crossbeams 24, balance shaft support 14, balance shaft 16, rubber shaft bearing 19, equalizer 4, rubber spring 1 successively.Pass to ground by bridge by tire.The utility model equalizer suspension frame structure, by above connection, realized getting in touch of vehicle frame and vehicle bridge, guaranteed the proper exercise relation between wheel and the vehicle frame simultaneously, realized the function of carrying and guiding and damping, guaranteed that chaufeur takes advantage of the comfortable and goods carried of seat intact, made car load have good driving performance.

Identical compared to the prior art just its equalizer 4 of the annexation of the main spring of embodiment 2, attaching parts, propelling rod, beam, various support, back axle 10, axle, jackshaft 18, bearing, vehicle frame 23, four crossbeams 24 is the concave shape that opening makes progress, or is arc that opening makes progress.As shown in Figure 3.

It is substantially the same manner as Example 1 for embodiment 3, different is its main spring is not rubber spring 1 but common sheet pack spring.

Embodiment 4 is substantially the same manner as Example 1, and different is, and its upper thrust rod 3 is not the vee shape structure, but ordinary construction.

Equalizer adopts four plate component welding manners in this equalizer suspension frame structure, by three-dimensional Calculation of Strength Design analysis, it is designed to is arc that opening makes progress, its middle part is connected on the balance shaft with rubber shaft bearing, balance shaft is contained on the support, and support is connected on the main car frame, the equalizer two ends by bolted connection on rubber spring, rubber spring is connected on jackshaft and the back axle, has realized the transmission and the damping of power by installation.In the utility model suspension frame structure, the arrangement of propelling rod is: two V-arrangement torsion bars of top usefulness, be arranged in the front-end and back-end of four crossbeams, can bear transverse force, below with four straight propelling rods, be connected to two of the front ends of four crossbeams, two of rear ends, vertical equity is arranged in parallel, six roots of sensation propelling rod is being determined the position of jackshaft and back axle, transmits braking force, propulsive effort simultaneously, and guarantees between wheel and the vehicle frame definite movement relation is arranged, vehicle stabilization is travelled, and car load has good driving performance.

Claims

1, a kind of equalizer suspension frame structure, which comprises at least main spring, attaching parts, propelling rod, equalizer (4), various support, back axle (10), axle, jackshaft (18), bearing, vehicle frame (23), four crossbeams (24), it is characterized in that: its equalizer (4) is the concave shape that opening makes progress.

2, according to the described a kind of equalizer suspension frame structure of claim 1, it is characterized in that: described main spring is rubber spring (1).

3, according to the described a kind of equalizer suspension frame structure of claim 1, it is characterized in that: described propelling rod comprises upper thrust rod (3) and lower thrust rod (13), and upper thrust rod (3) is the vee shape structure.

4, according to the described a kind of equalizer suspension frame structure of claim 2, it is characterized in that: described rubber spring (1) is connected the two ends of vehicle frame (23) left side equalizer (4) by bolt (2), other two rubber springs (1) are connected the two ends of vehicle frame (23) right side equalizer (4) by bolt (2), and four rubber springs (1) lower plane is connected on the axle housing finished surface of jackshaft (18) and back axle (10) by bolt (11); Equalizer (4) middle part is by rubber shaft bearing (19), rubber shaft bearing lid (20), bolt (21) is connected balance shaft (16) two ends, balance shaft (16) fixedly is through in the balance shaft support (14), two balance shaft supports (14) are connected on the vehicle frame (23) by bolt (22), two balance shaft supports (14) stomidium down connect four lower thrust rods (13) respectively by bolt (15), the other end of four lower thrust rods (13) is by pin (17), lower thrust rod support (12), bolt (11) difference vertical equity secured in parallel is on jackshaft (18) and back axle (10), two V-arrangement upper thrust rod (3) one ends are respectively by upper thrust rod bridge end support (8), bolt (9), bolt (7) and pin (17) are connected on the bridge package location finished surface of jackshaft (18) and back axle (10) middle part, and two V-arrangement upper thrust rods (3) other end is connected on four crossbeams (24) and the vehicle frame (23) by upper thrust rod beam-ends support (5) and bolt (6).