CN216507786U

CN216507786U - Shock absorber mounting structure

Info

Publication number: CN216507786U
Application number: CN202220184955.7U
Authority: CN
Inventors: 刘鑫; 胡波; 杨珍; 田海州; 曹纯儒; 董朝闻; 尹丽
Original assignee: Hubei Dayun Automobile Co Ltd
Current assignee: Hubei Dayun Automobile Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-05-13
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a shock absorber mounting structure which comprises a frame, a steel plate spring assembly, a shock absorber, an upper support, an upper pin shaft and a universal arm, wherein the lifting lug end of the steel plate spring assembly is connected with a longitudinal beam of the frame through the pin shaft; the lower support in the original structure is replaced by the universal arm, so that the problem that the assembly position of the shock absorber cannot be adjusted at multiple angles is solved; bending moment generated when the lower end of the shock absorber assembly displaces in the X direction is converted into rotation of the movable arm and the fixed arm, so that the service life of the shock absorber is prolonged; the utility model can realize the assembly and arrangement modes of various shock absorbers and improve the arrangement generalization of parts and system platforms.

Description

Shock absorber mounting structure

Technical Field

The utility model belongs to the field of commercial vehicle suspension systems, and particularly relates to a shock absorber mounting structure.

Background

The bidirectional cylinder type hydraulic shock absorber is used as a shock absorption damping element of a suspension system, and is widely used in the field of commercial vehicles due to the advantages of simple structure, low manufacturing cost, small occupied space, long fatigue life and the like. With the market development of commercial vehicles, many chassis parts of different platform vehicle types can be used universally without affecting the use performance, but resources can not be shared when different companies or different design departments of the same company design and develop, so that a lot of same functional parts have structures with various formats, and a large amount of resources are wasted. In addition, due to the special shock absorption property of the shock absorber, a certain included angle can be arranged in the X direction and the Y direction of the whole vehicle according to the arrangement requirement of the whole vehicle, and the existing structure needs one set of corresponding upper shock absorber support and lower shock absorber support when the shock absorber is arranged in the X direction included angle and the Y direction included angle respectively.

The first assembly mode is as follows: as shown in fig. 1 and fig. 2, the included angle in the Y direction is arranged, and the defect is that the rotation in the X direction cannot be realized; the Y direction means that the lower end of the shock absorber can rotate in the width direction of the frame, and the mounting position of the upper end of the shock absorber can be adjusted only in the Y direction; the X direction means that the shock absorber cannot rotate in the length direction of the frame, and the mounting position of the upper end of the shock absorber cannot be adjusted in the X direction.

The second assembly mode is as follows: as shown in fig. 3 and 4, the included angle in the X direction is arranged, and the defect is that the rotation in the Y direction cannot be realized; the mounting position of the upper end of the shock absorber can be adjusted only in the X direction, and the mounting position of the upper end of the shock absorber cannot be adjusted in the Y direction.

The two assembling modes have the problems of poor platform universality, resource waste, more boundaries needing to be checked and the like.

In the figure, 1 is a vehicle frame, 2 is a steel plate spring assembly, 3 is a shock absorber, 4 is an upper bracket, 5 is a lower bracket, 6 is an upper pin shaft, and 7 is a lower pin shaft.

Disclosure of Invention

The utility model provides a shock absorber mounting structure, which aims to fundamentally solve the technical problems that the arrangement position and the assembly parts need to be frequently replaced due to the problem of the assembly angle during the assembly of a bidirectional cylinder type shock absorber.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a shock absorber mounting structure, includes frame, leaf spring assembly, shock absorber, upper bracket, goes up the round pin axle, and the lug end of leaf spring assembly is connected its characterized in that through round pin axle and solebar: the lower end of the shock absorber is connected with the steel plate spring assembly through the universal arm, the upper end of the shock absorber is adjusted in the Y direction and the X direction of the frame through the universal arm, and the upper end of the shock absorber is connected with the frame through the upper support; the universal arm consists of a fixed arm and a movable arm, the inner end of the fixed arm is connected with the steel plate spring assembly, the outer end of the fixed arm is connected with the movable arm in a rotating mode, the movable arm can rotate on the fixed arm in the X direction, a rotating shaft is arranged at the other end of the movable arm and used for being connected with the lower end of the shock absorber, and the shock absorber rotates in the Y direction through the movable arm.

The technical scheme is further limited, and the fixed arm is a step shaft.

Further inject above-mentioned technical scheme, be equipped with lock nut on the inner of fixed arm, the fixed arm passes through lock nut and is connected with the leaf spring assembly is detachable.

The technical scheme is further limited, and the movable arm is in a shaft fork shape.

Further inject above-mentioned technical scheme, the middle part of digging arm is equipped with the shaft hole, and the digging arm passes through the bearing to be connected with the outer end of fixed arm, and the digging arm carries out the axial spacing through the retaining ring on the fixed arm outer end.

The technical scheme is further limited, and an oil cup is arranged at the position, corresponding to the bearing, of the movable arm.

The technical scheme is further limited, the rotating shaft consists of a bolt and a limiting nut, and the rod part of the bolt penetrates out of the two fork arms of the movable arm and is connected with the limiting nut.

Has the advantages that:

the lower support in the original structure is replaced by the universal arm, so that the problem that the assembly position of the shock absorber cannot be adjusted at multiple angles is solved; bending moment generated when the lower end of the shock absorber assembly displaces in the X direction is converted into rotation of the movable arm and the fixed arm, so that the service life of the shock absorber is prolonged; the utility model can realize the assembly and arrangement modes of various shock absorbers and improve the generalization of the arrangement of parts and system platforms.

Drawings

FIG. 1 is a first prior art arrangement of a shock absorber.

Fig. 2 is a right side view of fig. 1.

FIG. 3 is a second prior art arrangement of a shock absorber.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a block diagram of the present invention.

Fig. 6 is a right side view of fig. 5.

FIG. 7 is a schematic view of the connection of the damper to the gimbal arm.

FIG. 8 is a schematic view of the Y-direction rotation of the damper on the gimbal arm.

Detailed Description

As shown in fig. 5, 6, 7 and 8, a shock absorber mounting structure comprises a vehicle frame 1, a steel plate spring assembly 2, a shock absorber 3, an upper bracket 4, an upper pin shaft 6 and a universal arm 8, wherein a lifting lug end of the steel plate spring assembly is connected with a vehicle frame longitudinal beam through a pin shaft, a lower end of the shock absorber is connected with the steel plate spring assembly through the universal arm, an upper end of the shock absorber adjusts positions in the Y direction and the X direction of the vehicle frame through the universal arm, and an upper end of the shock absorber is connected with the vehicle frame through the upper bracket; the universal arm 8 consists of a fixed arm 81 and a movable arm 82, the inner end of the fixed arm is connected with the steel plate spring assembly, the outer end of the fixed arm is connected with the movable arm in a rotating mode, the movable arm can rotate on the fixed arm in the X direction, the other end of the movable arm is provided with a rotating shaft 83, the rotating shaft is used for being connected with the lower end of the shock absorber, and the shock absorber rotates in the Y direction through the movable arm;

as shown in fig. 7 and 8, the fixing arm 81 is a step shaft; the structure is simple, the production cost is reduced, the light weight is facilitated, and the assembly and disassembly are convenient;

as shown in fig. 7 and 8, a locking nut 84 is arranged at the inner end of the fixed arm 81, and the fixed arm is detachably connected with the steel plate spring assembly through the locking nut, and the detachable connection is convenient for assembly, disassembly and maintenance; the plate spring seat in the plate spring assembly is provided with a fixed arm connecting hole, or is connected with a plate spring or the plate spring seat into a whole through a seat body containing the fixed arm connecting hole, and the fixed arm can be fixed on the plate spring assembly in any connection mode;

as shown in fig. 7 and 8, the movable arm 82 is in the shape of a shaft fork, which has the advantages of light weight, high strength and stable connection;

as shown in fig. 7 and 8, a shaft hole is formed in the middle of the movable arm 82, the movable arm is connected to the outer end of the fixed arm through a bearing 85, and the movable arm is axially limited by a retainer ring 86 on the outer end of the fixed arm; the bearing connection is adopted, so that the adjustment is convenient, and the service life can be prolonged; the retainer ring is adopted for limiting, so that the assembly and disassembly are convenient, the production cost is reduced, and the light weight is facilitated;

as shown in fig. 7 and 8, an oil cup 87 is arranged at the position of the movable arm corresponding to the bearing; the chord length of the elastic element drives the lower end of the shock absorber to frequently bounce and displace, the movable arm and the fixed arm of the shock absorber rotate relatively, lubricating oil needs to be filled in the position through the oil cup, the service life of the bearing is prolonged, and the heat dissipation performance can be improved;

as shown in fig. 7 and 8, the rotating shaft is composed of a bolt and a limit nut, and the rod part of the bolt penetrates out of the two fork arms of the movable arm and is connected with the limit nut; the structure is simple, the production cost is reduced, and the light weight and convenient assembly and disassembly are facilitated.

Description of the utility model assembly: the inner end of the fixed arm is connected with the steel plate spring assembly, the lower end of the shock absorber is fixedly connected with the rotating shaft, and the shock absorber is rotated upwards in the X direction and the Y direction; when the shock absorber is arranged and an included angle is required in the X direction, the shock absorber can be realized by rotating the rotary movable arm; if the shock absorber is arranged, if an included angle is required in the Y direction, the shock absorber can be realized by rotating the rotating shaft; and finally, the upper end of the shock absorber is connected with the frame through the upper bracket.

Finally, the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a shock absorber mounting structure, includes frame, leaf spring assembly, shock absorber, upper bracket, goes up the round pin axle, and the lug end of leaf spring assembly is connected its characterized in that through round pin axle and solebar: the lower end of the shock absorber is connected with the steel plate spring assembly through the universal arm, the upper end of the shock absorber is adjusted in the Y direction and the X direction of the frame through the universal arm, and the upper end of the shock absorber is connected with the frame through the upper support; the universal arm consists of a fixed arm and a movable arm, the inner end of the fixed arm is connected with the steel plate spring assembly, the outer end of the fixed arm is connected with the movable arm in a rotating mode, the movable arm can rotate on the fixed arm in the X direction, a rotating shaft is arranged at the other end of the movable arm and used for being connected with the lower end of the shock absorber, and the shock absorber rotates in the Y direction through the movable arm.

2. A shock absorber mounting structure according to claim 1, wherein: the fixed arm is a step shaft.

3. A shock absorber mounting structure according to claim 1 or 2, wherein: and the inner end of the fixed arm is provided with a locking nut, and the fixed arm is detachably connected with the steel plate spring assembly through the locking nut.

4. A shock absorber mounting structure according to claim 3, wherein: the movable arm is in a shaft fork shape.

5. A shock absorber mounting structure according to claim 1, 2 or 4, wherein: the movable arm is connected with the outer end of the fixed arm through a bearing, and the movable arm is axially limited through a check ring on the outer end of the fixed arm.

6. The shock absorber mounting structure according to claim 5, wherein: and an oil cup is arranged at the position of the movable arm corresponding to the bearing.

7. A shock absorber mounting structure according to claim 1, 2, 4 or 6, wherein: the rotating shaft consists of a bolt and a limit nut, and the rod part of the bolt penetrates out of the two fork arms of the movable arm and is connected with the limit nut.