CN214823094U

CN214823094U - Buffer device for emergency braking of semitrailer

Info

Publication number: CN214823094U
Application number: CN202120224036.3U
Authority: CN
Inventors: 朱其安; 周爱斌; 高一恺
Original assignee: Yang Zhou Vulcan Machinery Manufacturing Co ltd
Current assignee: Yang Zhou Vulcan Machinery Manufacturing Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-23
Anticipated expiration: 2031-01-27

Abstract

The utility model relates to a semitrailer technical field especially relates to a buffer for semitrailer emergency braking, including mounting panel and slide rail, the middle part welding of mounting panel lower extreme has the boss, sliding fit has the forked tail slider in the spout of slide rail, the up end welding of forked tail slider has the fixed block, one side of fixed block is equipped with down the lug, the middle part of slide rail is equipped with the telescopic link perpendicularly, and the up end of telescopic link pars contractilis passes through welded fastening with the lower terminal surface of boss, the bilateral symmetry of boss is equipped with the lug, and be equipped with the connecting rod between lug and the lower lug down, the bilateral symmetry welding of slide rail up end has the curb plate, a lateral level of curb plate is equipped with first spring, the other end of first spring is through welded fastening with one side of fixed block. The utility model discloses in, certain buffering effect can be realized to this buffer for semitrailer emergency braking, avoids rear-end collision under the emergency braking condition and phenomenon such as turn on one's side, folding to people's user demand has been satisfied greatly.

Description

Buffer device for emergency braking of semitrailer

Technical Field

The utility model relates to a semitrailer technical field especially relates to a buffer for semitrailer emergency braking.

Background

At present, researches on braking performance of a semitrailer mostly concentrate on braking force distribution, a braking system and control valve optimization at home and abroad, but the phenomena of rear-end collision, side turning, folding and the like under the condition of emergency braking cannot be avoided, and the semitrailer cannot be decelerated and stopped under the condition of loop failure of the braking system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a buffer device for emergency braking of a semitrailer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a buffer for emergency braking of semitrailer, including mounting panel and slide rail, the middle part welding of mounting panel lower extreme has the boss, sliding fit has the forked tail slider in the spout of slide rail, the up end welding of forked tail slider has the fixed block, one side of fixed block is equipped with down the lug, the perpendicular telescopic link that is equipped with in middle part of slide rail, and the up end of telescopic link pars contractilis and the lower terminal surface of boss pass through welded fastening, the bilateral symmetry of boss is equipped with the lug, and be equipped with the connecting rod between lug and the lower lug, the bilateral symmetry welding of slide rail up end has the curb plate, a lateral level of curb plate is equipped with first spring, the other end of first spring is fixed with the cross welded fastening with one side of fixed block.

Preferably, the two sides of the telescopic rod fixing part are symmetrically welded with reinforcing ribs, and the lower end faces of the reinforcing ribs are fixed with the upper end faces of the sliding rails through welding.

Preferably, the outer side of the telescopic rod telescopic part is sleeved with a second spring, and the second spring is located between the lower end face of the boss and the upper end face of the telescopic rod fixing part.

Preferably, circular grooves are respectively formed in two ends of the connecting rod, bearings are fixedly installed in the circular grooves, lower convex blocks are fixedly inserted in the middle of the bearings on one side of the connecting rod, and upper convex blocks are fixedly inserted in the middle of the bearings on the other side of the connecting rod.

Preferably, the number of the dovetail sliding blocks is two, and the telescopic rod is positioned between the two dovetail sliding blocks.

The utility model has the advantages that:

the utility model discloses in, this buffer for semitrailer emergency braking is when using, when meetting the semitrailer and taking place emergency braking, and certain buffering effect can be realized to this buffer for semitrailer emergency braking, avoids the collision of knocking into the back under the emergency braking condition and turns on one's side, phenomenons such as folding to people's user demand has been satisfied greatly.

Drawings

Fig. 1 is a schematic structural view of a buffer device for emergency braking of a semitrailer provided by the utility model in a stretching state;

fig. 2 is the utility model provides a structural schematic diagram of buffer for emergency braking of semitrailer when being compression state.

In the figure: the device comprises a mounting plate 1, a sliding rail 2, a boss 3, an upper convex block 401, a lower convex block 402, a connecting rod 5, a telescopic rod 6, a reinforcing rib 7, a dovetail slide block 8, a fixed block 9, a side plate 10, a first spring 111 and a second spring 112.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the buffer device for emergency braking of the semitrailer comprises a mounting plate 1 and a slide rail 2, wherein a boss 3 is welded in the middle of the lower end of the mounting plate 1, dovetail slide blocks 8 are in sliding fit in slide grooves of the slide rail 2, the number of the dovetail slide blocks 8 is two, and a telescopic rod 6 is positioned between the two dovetail slide blocks 8;

the upper end face of the dovetail sliding block 8 is welded with a fixed block 9, one side of the fixed block 9 is provided with a lower convex block 402, the middle part of the sliding rail 2 is vertically provided with a telescopic rod 6, reinforcing ribs 7 are symmetrically welded on two sides of the fixed part of the telescopic rod 6, the lower end faces of the reinforcing ribs 7 are fixed with the upper end face of the sliding rail 2 through welding, and the reinforcing ribs 7 can play a certain reinforcing role in connection of the telescopic rod 6 and the sliding rail 2;

the upper end face of the telescopic part of the telescopic rod 6 and the lower end face of the boss 3 are fixed by welding, a second spring 112 is sleeved outside the telescopic part of the telescopic rod 6, the second spring 112 is positioned between the lower end face of the boss 3 and the upper end face of the fixed part of the telescopic rod 6, the second spring 112 has good elastic potential energy, and the second spring 112 can play a certain role in buffering and damping when in use;

the two sides of the boss 3 are symmetrically provided with upper convex blocks 401, a connecting rod 5 is arranged between the upper convex blocks 401 and the lower convex blocks 402, two ends of the connecting rod 5 are respectively provided with a circular groove, a bearing is fixedly installed in the circular groove, the lower convex blocks 402 are fixedly inserted in the middle of the bearing on one side of the connecting rod 5, and the upper convex blocks 401 are fixedly inserted in the middle of the bearing on the other side of the connecting rod 5, so that the connecting rod 5 can better move along with potential energy generated during emergency braking of the semitrailer, and impact force generated during braking can be reduced;

the both sides symmetry welding of slide rail 2 up end has curb plate 10, and one side level of curb plate 10 is equipped with first spring 111, and the other end of first spring 111 is fixed with one side of fixed block 9 with the welding, and first spring 111 has good elastic potential energy, and first spring 111 can play certain buffering absorbing effect when using.

In the embodiment, when the buffer device for emergency braking of the semitrailer is used, an operator firstly installs and fixes the buffer device for emergency braking of the semitrailer in a required area of the semitrailer through the installation plate 1 and the slide rail 2, and when the semitrailer performs emergency braking, the installation plate 1 and the slide rail 2 approach each other under the action of impact force;

the telescopic rod 6 between the mounting plate 1 and the slide rail 2 can perform buffering and damping of a main impact force under the action of the second spring 112, and when the boss 3 extrudes the slide rail 2 along with the mounting plate 1, the connecting rod 5 between the boss 3 and the dovetail slide block 8 in the slide rail 2 performs secondary buffering and damping;

furthermore, circular grooves are respectively formed at two ends of the connecting rod 5, bearings are fixedly installed in the circular grooves, and the lower convex blocks 402 and the upper convex blocks 401 are respectively inserted and fixed in the bearings, so that the connecting rod 5 can be conveniently rotated and adjusted, the connecting rod 5 can be conveniently moved along with potential energy generated during emergency braking of the semitrailer, and impact force generated during braking can be reduced;

the first spring 111 between the side plate 10 and the fixed block 9 has good elastic potential energy, and the first spring 111 can play a certain role in buffering and damping when in use;

when the buffer device for emergency braking of the semitrailer is used and emergency braking occurs in the semitrailer, the buffer device for emergency braking of the semitrailer can achieve a certain buffer effect, avoid rear-end collision, rollover, folding and other phenomena under the emergency braking condition, and accordingly the using requirements of people are greatly met.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a buffer for emergency braking of semitrailer, including mounting panel (1) and slide rail (2), a serial communication port, the middle part welding of mounting panel (1) lower extreme has boss (3), sliding fit has forked tail slider (8) in the spout of slide rail (2), the up end welding of forked tail slider (8) has fixed block (9), one side of fixed block (9) is equipped with down lug (402), the middle part of slide rail (2) is equipped with telescopic link (6) perpendicularly, and the up end of telescopic link (6) pars contractilis passes through welded fastening with the lower terminal surface of boss (3), the bilateral symmetry of boss (3) is equipped with upper ledge (401), and be equipped with connecting rod (5) between upper ledge (401) and lower lug (402), the bilateral symmetry welding of slide rail (2) up end has curb plate (10), one side level of curb plate (10) is equipped with first spring (111), the other end of the first spring (111) is fixed with one side of the fixed block (9) through welding.

2. The buffer device for the emergency brake of the semitrailer according to claim 1, wherein the reinforcing ribs (7) are symmetrically welded to both sides of the fixed part of the telescopic rod (6), and the lower end surfaces of the reinforcing ribs (7) are fixed to the upper end surfaces of the slide rails (2) by welding.

3. The buffer device for the emergency brake of the semitrailer according to claim 1, characterized in that the second spring (112) is sleeved outside the telescopic part of the telescopic rod (6), and the second spring (112) is positioned between the lower end surface of the boss (3) and the upper end surface of the fixed part of the telescopic rod (6).

4. The buffer device for the emergency brake of the semitrailer according to claim 1, wherein the connecting rod (5) is provided with circular grooves at two ends, bearings are installed and fixed in the circular grooves, a lower convex block (402) is inserted and fixed in the middle of the bearing at one side of the connecting rod (5), and an upper convex block (401) is inserted and fixed in the middle of the bearing at the other side of the connecting rod (5).

5. The buffer device for the emergency brake of the semitrailer according to claim 1, characterized in that the number of the dovetail slide blocks (8) is two, and the telescopic rod (6) is located between the two dovetail slide blocks (8).