CN217682940U

CN217682940U - Integral type stopper assembly for tractor

Info

Publication number: CN217682940U
Application number: CN202221540536.9U
Authority: CN
Inventors: 王晓亮; 应装装; 杨洪光
Original assignee: Anhui Hualing Automobile Co Ltd
Current assignee: Anhui Hualing Automobile Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-28
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses an integral type stopper assembly for tractor belongs to automobile parts technical field, including the braking bottom plate to and the symmetry sets up in a pair of brake shoe of braking bottom plate both sides, install the dust cover on the braking bottom plate, and the braking bottom plate bottom is equipped with a pair of through-hole side by side, the through-hole interpolation is equipped with the shoe axle, the U type groove that the width is the same with braking bottom plate thickness is all seted up to the lower extreme on the brake shoe, just the U type groove both ends are seted up the width and are pressed from both sides the groove that the shoe axle diameter is the same, are located the brake shoe lower extreme press from both sides groove and U type groove centre gripping respectively on the surface of shoe axle and the bottom terminal surface of braking bottom plate. The utility model realizes the connection between the brake bottom plate and the brake shoe by matching the through hole on the brake bottom plate with the shoe shaft and the U-shaped groove and the clamping groove on the brake shoe and combining the tensioning unit; the brake bottom plate is connected with the dust cover through the connecting holes matched with the bolts, and the connection among all the parts is realized through various connection fixing modes.

Description

Integral type stopper assembly for tractor

Technical Field

The utility model belongs to the technical field of automobile parts, concretely relates to integral type stopper assembly for tractor.

Background

The brake of the tractor is generally assembled by components such as a brake air chamber, a brake camshaft bracket, a brake bottom plate, a brake shoe and the like in an assembling mode, the structure is complex, the weight is heavy, the manufacturing cost is high, the mechanical efficiency of the assembly in a single fixing mode is low, and the braking reliability is poor under overload or special conditions.

By way of search, there is a prior patent document with application number 201921172270.5, entitled wedge brake for use in a tractor, which discloses: the brake shoe comprises a brake chamber, an expander, a brake bottom plate and a brake shoe, and the technical core is as follows: the expander is a two-way expander, the two-way expander is installed on the brake bottom plate, two adjusting sleeves of the two-way expander are respectively contacted with the other ends of the 2 brake shoes, return springs are arranged between the other ends of the 2 brake shoes, the brake air chamber is connected to an axle housing of the tractor during installation, a diaphragm of the brake air chamber is connected with a push rod of the two-way expander, the two adjusting sleeves of the two-way expander move outwards through wedge blocks on the push rod, and therefore the brake shoes are pushed to swing outwards. The utility model discloses a be applied to the tractor to the voussoir stopper, simplified the structure of stopper assembly to a certain extent, nevertheless not obvious to the promotion effect of actual performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the inventor reachs through practice and summary the utility model discloses a technical scheme, the utility model discloses an integral type stopper assembly for traction vehicle, including the braking bottom plate to and the symmetry sets up in a pair of brake shoe of braking bottom plate both sides, install the dust cover on the braking bottom plate, and the braking bottom plate bottom is equipped with a pair of through-hole side by side, the through-hole interpolation is equipped with the shoe axle, the U type groove that width and braking bottom plate thickness are the same is all seted up to the lower extreme on the brake shoe, just the same double-layered groove of width and shoe axle diameter is seted up at U type groove both ends, is located the brake shoe lower extreme double-layered groove and U type groove centre gripping respectively on the surface of shoe axle and the bottom terminal surface of braking bottom plate.

Further preferably, a tensioning unit is arranged between the lower ends of the pair of brake shoes, the tensioning unit comprises clamping holes arranged on two sides of the U-shaped groove and a tensioning spring, and hook-shaped structures matched with the clamping holes are arranged at two ends of the tensioning spring.

Further preferably, the lower ends of the pair of brake shoes are also provided with return springs.

Further preferably, a roller is installed in the U-shaped groove at the upper end of the brake shoe.

Further preferably, a plurality of pairs of through holes are symmetrically formed in the brake shoe, a plurality of reinforcing ribs are arranged on the main frame on the inner side of the brake shoe, and the reinforcing ribs are symmetrically arranged on two sides of the main frame. The self-weight is effectively reduced while the integral structural strength and mechanical property are ensured, and the efficiency is improved.

Further preferably, a brake air chamber is integrally formed at the top of the brake bottom plate, and a connecting shaft is arranged between the brake bottom plate and the air chamber bracket. The structure and the assembly process are fully simplified through the integrated forming design, so that the brake bottom plate and the brake air chamber are fixedly connected without bolts, the manufacturing cost is effectively reduced, and the assembly precision is improved.

Further preferably, the back of the brake bottom plate is provided with a plurality of connecting holes, and the brake bottom plate is fixedly connected with the dust cover through the connecting holes.

Compared with the prior art, the utility model discloses can obtain following technological effect:

the utility model discloses an integral type stopper assembly for tractor, through setting up the through-hole cooperation shoe axle on the braking bottom plate and setting up U type groove and draw-in groove on the brake shoe, unite again and strain the unit and realize the connection between braking bottom plate and the brake shoe; the brake bottom plate is connected with the dust cover through a connecting hole arranged on the brake bottom plate and a bolt; meanwhile, the brake bottom plate and the brake air chamber are arranged in an integrated mode, the structure of the brake assembly is fully simplified, connection among all the parts is achieved through multiple connection fixing modes, and the brake reliability of the assembly body is effectively guaranteed.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and the specific embodiments.

Examples

As shown in figure 1, the integrated brake assembly for the tractor consists of a brake bottom plate 1, two shoe piece shafts 11, two brake shoes 2, a dust cover 3, a return spring 4 and a tensioning unit, fully simplifies the structure of the brake assembly, and realizes connection among all the parts through various connection and fixing modes, so that the brake reliability of the assembly body is effectively guaranteed.

The brake shoes 2 are symmetrically arranged on two sides of the brake bottom plate 1, specifically, a pair of through holes are arranged in parallel at the bottom of the brake bottom plate 1, shoe shafts 11 are inserted into the through holes, correspondingly, the lower ends of the brake shoes 2 are provided with U-shaped grooves 21 with the width same as the thickness of the brake bottom plate 1, clamping grooves with the width same as the diameter of the shoe shafts 11 are arranged at two ends of the U-shaped grooves 21, the clamping grooves and the U-shaped grooves 21 are respectively clamped on the surface of the shoe shafts 22 and the end surface of the bottom of the brake bottom plate 1, a tensioning unit is further arranged between the lower ends of the two brake shoes 2, the shoe shafts 11 are matched through the through holes arranged on the brake bottom plate 1, the U-shaped grooves 21 and the clamping grooves arranged on the brake shoes 2, and the tensioning unit is combined, so that the connection between the brake bottom plate 1 and the brake shoes 2 is realized, the tensioning unit is composed of clamping holes arranged on two sides of the U-shaped grooves 21 and a tensioning spring 5, hook-shaped structures matched with the clamping holes are arranged at two ends of the tensioning spring 5, and a return spring 4 is arranged between the lower ends of the two brake shoes 2; the upper end of the brake shoe 2 is also provided with a U-shaped groove 21 with the same structure, and the U-shaped groove 21 is internally provided with a roller.

The dust cover 3 is arranged on the braking bottom plate 1, and is connected with a plurality of connecting holes arranged on the back of the braking bottom plate 1 in a matching way through corresponding arranged holes and bolts on the dust cover 3.

Furthermore, a plurality of pairs of through holes are symmetrically formed in the brake shoe 2, and a plurality of reinforcing ribs are symmetrically arranged on two sides of the main frame on the inner side of the brake shoe 2, so that the dead weight is effectively reduced while the integral structural strength and mechanical property are ensured; meanwhile, the brake chamber is integrally formed at the top of the brake bottom plate 1, and the brake bottom plate 2 and the air chamber bracket are transited through the connecting shaft.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an integral type brake assembly for tractor, includes backing plate (1) to and the symmetry sets up a pair of brake shoe (2) in backing plate (1) both sides, its characterized in that:

the brake shoe is characterized in that a dust cover (3) is installed on the brake base plate (1), a pair of through holes are arranged in parallel at the bottom of the brake base plate (1), shoe shafts (11) are inserted into the through holes, U-shaped grooves (21) with the width being the same as the thickness of the brake base plate (1) are formed in the upper end and the lower end of each brake shoe (2), clamping grooves with the width being the same as the diameter of each shoe shaft (11) are formed in the two end portions of each U-shaped groove (21), and the clamping grooves and the U-shaped grooves (21) located at the lower end of each brake shoe (2) are clamped on the surface of each shoe shaft (11) and the end face of the bottom of the brake base plate (1) respectively.

2. The integrated brake assembly for a tractor according to claim 1, wherein: and a tensioning unit is arranged between the lower ends of the pair of brake shoes (2), the tensioning unit comprises clamping holes arranged at two sides of the U-shaped groove (21) and a tensioning spring (5), and hook-shaped structures matched with the clamping holes are arranged at two ends of the tensioning spring (5).

3. The integrated brake assembly for a tractor according to claim 2, wherein: and return springs (4) are also arranged at the lower ends of the pair of brake shoes (2).

4. The integrated brake assembly for a tractor according to claim 3, wherein: and rollers are arranged in the U-shaped groove (21) positioned at the upper end of the brake shoe (2).

5. The integrated brake assembly for a tractor according to claim 4, wherein: a plurality of pairs of through holes are symmetrically formed in the brake shoe (2), a plurality of reinforcing ribs are arranged on the main frame on the inner side of the brake shoe (2), and the reinforcing ribs are symmetrically arranged on two sides of the main frame.

6. The integrated brake assembly for a tractor according to claim 1, wherein: a brake air chamber is integrally formed at the top of the brake bottom plate (1), and a connecting shaft is arranged between the brake bottom plate (1) and the air chamber bracket.

7. The integrated brake assembly for a tractor according to claim 1, wherein: the back of the brake bottom plate (1) is provided with a plurality of connecting holes, and the brake bottom plate (1) is fixedly connected with the dust cover (3) through the connecting holes.