CN201211829Y

CN201211829Y - Special-shaped rubber rod damping vehicle-bridge

Info

Publication number: CN201211829Y
Application number: CNU2008200370846U
Authority: CN
Inventors: 韩志业; 王国廷; 吴义
Original assignee: GUOYANG KANGDA AXLE CO Ltd
Current assignee: GUOYANG KANGDA AXLE CO Ltd
Priority date: 2008-05-28
Filing date: 2008-05-28
Publication date: 2009-03-25
Anticipated expiration: 2018-05-28

Abstract

The utility model relates to a special rubber rod shock-absorbing axle which is characterized in that an outer axle tube is provided, an inner sleeve tube is sleeved in the outer axle tube, the inner sleeve tube and the outer axle tube can be mutually rotated, a cavity is formed between the inner sleeve tube and the outer axle tube, an elastic body pressed in the cavity to avoid the mutual rotation between the outer axle tube and the inner sleeve tube forms a torsion spring; a support fixedly connected with a carriage or equipment is fixedly arranged outside the outer axle tube, and hollow sleeves are arranged at both ends of the outer axle tube; torque arms are fixedly connected at both ends of the inner sleeve tube along the radial direction, the other end of the torque arms is fixedly connected with an axle head, and the torque arms are arranged with the axial line of the axle head in an L shape. The utility model has simple structure and strong bearing capacity, greatly reduces the elastic distance between idle load and heavy load by using the torsion spring, lowers the gravity center of the vehicle body and enhances the moving stability of the vehicle body.

Description

Shock-absorbing axle of special-shaped rubber stick

Technical field

The utility model relates to the supporting bridge, the supporting bridge on the more particularly especially mobile trailer.

Background technology

Referring to Fig. 1, for a long time, trailer supporting bridge all is to adopt two frame plate springs are set on vehicle bridge, comprises preceding leaf spring 1a that is positioned at propons and the back leaf spring 1b that is positioned on the back axle.Utilize the elastic deformation of leaf spring to reach the purpose of damping, the leaf spring form under unloaded and the heavily loaded two states has been shown among Fig. 1.Mainly adopt in the practical application in following problem:

1, in use elastic force is too little for the leaf spring structure, makes the elasticity distance of trailer under heavy duty and light condition too big, can reach 95mm, and such form has obviously reduced the stability of car body.

2, because the elasticity distance is big, the noise during the leaf spring elastic deformation is bigger.

3, the exposed version of leaf spring is very easily got rusty it, influences outward appearance, more influences service life, brings the functional reliability problem.

The utility model content

The utility model is for avoiding above-mentioned existing in prior technology weak point, provides that a kind of elastic force is big, the elasticity distance is little under zero load and the heavy condition, noise is low, can keep the shock-absorbing axle of special-shaped rubber stick of car body good stability.

The utility model technical solution problem adopts following technical scheme.

The constructional feature of the utility model shock-absorbing axle of special-shaped rubber stick is that outer bridge tube is set, suit inner sleeve in the bridge tube outside described, described inner sleeve can form mutual rotation with outer bridge tube, and and outer bridge tube between be formed with cavity, in cavity, press-fit and form the elastic body that hinders for the mutual rotation between outer bridge tube and the inner sleeve and constitute the button spring; The outside of bridge tube fixedly installs the support of captiveing joint with compartment or equipment outside, and the two ends of outer bridge tube are empty cover; The two ends of inner sleeve radially are fixedly connected with the button arm respectively, and the other end and the spindle nose of button arm connect firmly, the L-shaped setting of the axis of button arm and spindle nose.

Constructional feature of the present utility model also is:

Described outer bridge tube and inner sleeve are square tube, and elastic body is a rubber bar, and rubber bar is placed on the corner location of outer bridge tube, and rubber bar compresses mutually with the straight flange of inner sleeve.

The described sleeve pipe that runs through outer bridge tube and inner sleeve formation as elastomeric rubber bar vertically.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

1, the utility model is simple in structure, bearing capacity is strong.

2, the utility model damping angle is little, can reduce the elasticity distance between zero load and the heavy duty greatly, and actual test has only 35mm, 95mm in prior art has reduced 60mm, thereby can effectively reduce body gravity, and improve the movability that car body moves, improve operability.

3, the utility model is an embedding structure, basic noiselessness, non-corrosive, long service life.

Description of drawings

Fig. 1 is a leaf spring structural representation in the prior art.

Fig. 2 is the utility model structural representation.

Fig. 3 is the utility model China and foreign countries bridge tube, inner sleeve and elastomeric fit structure scheme drawing.

Fig. 4 is the outer bridge tube assembly scheme drawing of the utility model.

Fig. 5 is the end view of Fig. 4.

Fig. 6 is the utility model button arm assembly scheme drawing.

Fig. 7 is the end view of Fig. 6.

Leaf spring, 2 outer sedan-chair pipes, 3 supports, 5 spindle noses, 6 button arms, 7 inner sleeves, 8 elastic bodys behind the preceding leaf spring of number in the figure: 1a, the 1b.

Below by the specific embodiment, and in conjunction with the utility model is described in further detail.

The specific embodiment:

Referring to Fig. 2, Fig. 3, outer bridge tube 2 is set, suit inner sleeve 7 in the bridge tube 2 outside, inner sleeve 7 can form mutually with outer bridge tube 2 and rotate, and and outer bridge tube 2 between be formed with cavity, in cavity, press-fit and form the elastic body 8 that hinders for the mutual rotation between outer bridge tube 2 and the inner sleeve 7 and constitute the button springs.

Fig. 4, shown in Figure 5, the outside of bridge tube 2 outside fixedly installs and is used for the support 3 that forms a fixed connection with compartment or equipment, and the two ends of outer bridge tube 2 are empty cover;

Fig. 6, shown in Figure 7, the two ends of inner sleeve 7 radially are fixedly connected with button arm 6 respectively, and the other end of button arm 6 and spindle nose 5 connect firmly, the L-shaped setting of axis of button arm 6 and spindle nose 5.

In the present embodiment, the concrete structure of button spring as shown in Figure 3, outer bridge tube 2 and inner sleeve 7 are square tube, elastic body 8 is a rubber bar, rubber bar is placed on the corner location of outer bridge tube 2, and rubber bar compresses mutually with the straight flange of inner sleeve 7, when being formed with the mutual rotation of any one direction between outer bridge tube 2 and the inner sleeve 7, the capital hinders the rotation between outer bridge tube and the inner sleeve by as the corresponding elastic resistance power that provides of the rubber bar of elastic body 7.

The corresponding structure setting also comprises in concrete the enforcement:

Outer bridge tube 2 is welded as integral structure with symmetrically arranged pair of brackets 3; Button arm 6 and interior pipe 7 welding; For strengthening elastic force, will run through the sleeve structure of outer bridge tube 2 and inner sleeve 7 vertically as the rubber bar of elastic body 8.

Under the running condition, captive joint with compartment or equipment with pair of brackets 3, vehicle damping is that the button spring formation torsion that relies on outer bridge tube, inner sleeve and the formation of elastic body is therebetween realized.

Claims

1, shock-absorbing axle of special-shaped rubber stick, it is characterized in that being provided with outer bridge tube (2), suit inner sleeve (7) in the bridge tube outside described (2), described inner sleeve (7) can form mutually with outer bridge tube (2) and rotate, and and outer bridge tube (2) between be formed with cavity, in described cavity, press-fit and form the elastic body (8) that hinders for the mutual rotation between bridge tube outside described (2) and the inner sleeve (7) and constitute the button spring; The outside of bridge tube outside described (2) fixedly installs the support (3) of captiveing joint with compartment or equipment, and the two ends of outer bridge tube (2) are empty cover; The two ends of described inner sleeve (7) radially are fixedly connected with button arm (6) respectively, and the other end of button arm (6) and spindle nose (5) connect firmly, the L-shaped setting of axis of button arm (6) and spindle nose (5).

2, shock-absorbing axle of special-shaped rubber stick according to claim 1, it is characterized in that described outer bridge tube (2) and inner sleeve (7) are square tube, described elastic body (8) is a rubber bar, and rubber bar is placed on the corner location of outer bridge tube (2), and rubber bar compresses mutually with the straight flange of inner sleeve (7).

3, shock-absorbing axle of special-shaped rubber stick according to claim 2 is characterized in that described rubber bar as elastic body (8) runs through the sleeve pipe of outer bridge tube (2) and inner sleeve (7) formation vertically.