CN212828315U

CN212828315U - Inertia braking structure

Info

Publication number: CN212828315U
Application number: CN202021850452.6U
Authority: CN
Inventors: 纪建奕; 尚珍昱; 周冬生; 陈崇晔
Original assignee: Qingdao Zhongqi Special Automobile Co ltd
Current assignee: Qingdao Zhongqi Special Automobile Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-30
Anticipated expiration: 2030-08-28

Abstract

The utility model provides an inertia braking structure, including traction lever, connecting seat and braking subassembly, rotate through first round pin axle between traction lever and the connecting seat and be connected, the traction lever is connected to one end of connecting seat, the other end of connecting seat connects the platform trailer, be provided with first opening on the connecting seat, sliding connection between first round pin axle and the first opening, the braking subassembly includes braking wane, first brake cable, brake cable fixed plate and second brake cable, rotate through the second round pin axle between braking wane and the connecting seat and be connected, fixed connection between one end of first brake cable and the bottom of braking wane, fixed connection between the other end of first brake cable and the brake cable fixed plate, fixed connection between one end of second brake cable and the brake cable fixed plate, fixed connection between the other end of second brake cable and the wheel of platform trailer, therefore, the utility model has the advantages of being able after the tractor stops, the platform trailer automatically stops running under the action of the inertia braking structure.

Description

Inertia braking structure

Technical Field

The utility model belongs to the technical field of the braking, in particular to inertia braking structure.

Background

The existing platform trailer in the market is generally only provided with a parking brake device, and the braking of the platform trailer in a traction state mainly depends on the deceleration of a towing tractor to drive a traction rod to decelerate so as to achieve the aim of decelerating the platform trailer.

However, the existing flatbed trailer drives the traction rod to brake the flatbed trailer by means of tractor braking, the strength requirement of the traction rod is high in the braking mode, the deformation degree of the traction rod is large, and the running performance of the flatbed trailer is affected when the traction rod is excessively deformed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an inertia braking structure can stop the back at the tractor, and platform trailer automatic stop goes under the effect of this inertia braking structure, has reduced the easy possibility that warp of traction lever, has improved the security that platform trailer traveles.

The technical scheme of the utility model is realized like this: an inertia braking structure comprises a traction rod, a connecting seat and a braking assembly;

the draw bar is rotationally connected with the connecting seat through a first pin shaft;

one end of the connecting seat is connected with the traction rod, the other end of the connecting seat is connected with the flat trailer, a first opening is formed in the connecting seat, and the first pin shaft is connected with the first opening in a sliding mode;

the brake assembly comprises a brake rocker, a first brake cable, a brake cable fixing plate and a second brake cable, the brake rocker and the connecting seat are rotatably connected through a second pin shaft, the one end of the first brake cable is fixedly connected with the bottom end of the brake rocker, the other end of the first brake cable is fixedly connected with the brake cable fixing plate, the one end of the second brake cable is fixedly connected with the brake cable fixing plate, and the other end of the second brake cable is fixedly connected with the wheels of the flat trailer.

As a preferred embodiment, the traction rod includes a first traction portion and a second traction portion, the first traction portion is arranged in a column shape, a traction ring is fixedly arranged on the left side of the first traction portion, the second traction portion is arranged in a ladder shape, the left end of the second traction portion is fixedly connected with the first traction portion, a second opening is arranged on the right end of the second traction portion, the first pin shaft is arranged at the second opening, and two ends of the first pin shaft penetrate through the second traction portion.

As a preferred embodiment, the connecting seat includes a first seat body and a second seat body that are integrally connected, the first seat body is disposed on the left side of the second seat body, the left end of the first seat body and the traction rod are connected, the right end of the second seat body and the flat trailer are fixedly connected, the first opening is disposed on the first seat body, the first opening is disposed along the length direction of the first seat body, two ends of the first pin shaft penetrate through the first opening, the second pin shaft and the first seat body are rotatably connected, and the second pin shaft is disposed on the right side below the first pin shaft.

As a preferred embodiment, the brake cable fixing plate is arranged below the second seat body, the front axle brake disc is arranged on the inner side of the wheel of the platform trailer, the left end of the first brake cable is fixedly connected with the brake rocker, the right end of the first brake cable is fixedly connected with the brake cable fixing plate, the second brake cable comprises two same brake cables, the two second brake cables are respectively arranged on two sides of the first brake cable, the left end of the second brake cable is fixedly connected with the brake cable fixing plate, and the right end of the second brake cable is fixedly connected with the front axle brake disc.

As a preferred embodiment, a fixed seat is fixedly arranged at the bottom of the second seat body, the fixed seat is arranged on the left side of the brake cable fixing plate, a pulley is arranged on the fixed seat, and the first brake cable passes through the pulley.

The traction ring is used for being fixedly connected with a tractor, when the tractor moves forwards, the first pin shaft moves leftwards in the first opening, the first pin shaft and the brake rocker are relatively far away from each other, the second brake cable pulls the brake cable fixing plate to move rightwards, the first brake cable moves rightwards along with the brake cable fixing plate, the bottom end of the brake rocker is pulled rightwards by the first brake cable, the top end of the brake rocker moves leftwards under the action of a fulcrum of the second pin shaft, the rotation of the first pin shaft relative to the connecting seat enables the traction rod to rotate relative to the connecting seat, the possibility of deformation of the traction rod due to bumping when passing an uneven road section is reduced, when the tractor stops, the platform trailer continues to move leftwards under the action of inertia, the first pin shaft moves rightwards in the first opening, the first pin shaft contacts the brake rocker and pushes the top end of the brake rocker to move rightwards, under the fulcrum effect of second round pin axle, the bottom of braking wane moves left, and first brake cable moves left along with the braking wane, and brake cable fixed plate moves left along with first brake cable, and two second brake cables move left along with brake cable fixed plate, and the second brake cable is taut state promptly, and the front axle brake disc of two wheels is braking state along with the second brake cable, has accomplished flatbed trailer's braking state, and automatic shutdown traveles, has reduced the easy deformation's of traction lever possibility, has improved flatbed trailer's security of traveling.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic bottom view of the present invention.

In the figure, 1-tow bar; 2-a connecting seat; 3-a brake assembly; 4-a traction ring; 5-a first pin shaft; 6-a second pin shaft; 7-platform trailer; 8-front axle brake disc; 9-a fixed seat; 10-a first traction portion; 11-a second traction portion; 12-a second opening; 20-a first seat body; 21-a second seat body; 22-a first opening; 30-a first brake cable; 31-a second brake cable; 32-brake cable fixing plate; 33-brake rocker; 90-pulley.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an inertia brake structure includes a drawbar 1, a connecting seat 2 and a brake assembly 3, the drawbar 1 is rotatably connected with the connecting seat 2 through a first pin 5, one end of the connecting seat 2 is connected with the drawbar 1, the other end of the connecting seat 2 is connected with a platform trailer 7, the connecting seat 2 is provided with a first opening 22, the first pin 5 is slidably connected with the first opening 22, the brake assembly 3 includes a brake rocker 33, first brake cable 30, brake cable fixed plate 33 and second brake cable 31, rotate through second round pin axle 6 between braking wane 33 and the connecting seat 2 and connect, fixed connection between the one end of first brake cable 30 and the bottom of braking wane 33, fixed connection between the other end of first brake cable 30 and the brake cable fixed plate 33, fixed connection between the one end of second brake cable 31 and the brake cable fixed plate 33, fixed connection between the other end of second brake cable 31 and the wheel of flatbed trailer 7.

The traction rod 1 comprises a first traction part 10 and a second traction part 11, the first traction part 10 is arranged in a column shape, a traction ring 4 is fixedly arranged on the left side of the first traction part 10, the second traction part 11 is arranged in a ladder shape, the left end of the second traction part 11 is fixedly connected with the first traction part 10, a second opening 12 is formed in the right end of the second traction part 11, the first pin shaft 5 is arranged at the second opening 12, and two ends of the first pin shaft 5 penetrate through the second traction part 11.

The connecting seat 2 includes a first seat 20 and a second seat 21 that are integrally connected, the first seat 20 is disposed on the left side of the second seat 21, the left end of the first seat 20 is connected to the drawbar 1, the right end of the second seat 21 is fixedly connected to the flatbed trailer 7, the first opening 22 is disposed on the first seat 20, the first opening 22 is disposed along the length direction of the first seat 20, the two ends of the first pin 5 penetrate through the first opening 22, the second pin 6 is rotatably connected to the first seat 20, and the second pin 6 is disposed on the right side below the first pin 5.

Brake cable fixed plate 33 sets up in the below of second pedestal 21, the wheel inboard of platform trailer 7 is provided with front axle brake disc 8, fixed connection between the left end of first brake cable 30 and the braking wane 33, fixed connection between the right-hand member of first brake cable 30 and the brake cable fixed plate 33, second brake cable 31 includes two the same, two second brake cables 31 set up respectively in the both sides of first brake cable 30, fixed connection between the left end of second brake cable 31 and the brake cable fixed plate 33, fixed connection between the right-hand member of second brake cable 31 and front axle brake disc 8. The fixed fixing base 9 that is provided with in bottom of second pedestal 21, fixing base 9 set up in the left side of brake cable fixed plate 33, are provided with pulley 90 on the fixing base 9, and first brake cable 30 passes through pulley 90 and sets up.

The traction ring 4 is used for being fixedly connected with a tractor, when the tractor moves forwards, the first pin shaft 5 moves leftwards in the first opening 22, the first pin shaft 5 and the brake rocker 33 are relatively far away from each other, the second brake cable 31 pulls the brake cable fixing plate 33 to move rightwards, the first brake cable 30 moves rightwards along with the brake cable fixing plate 33, the first brake cable 30 pulls the bottom end of the brake rocker 33 to move rightwards, the top end of the brake rocker 33 moves leftwards under the action of a fulcrum of the second pin shaft 6, the rotatability of the first pin shaft 5 relative to the connecting base 2 enables the traction rod 1 to rotate relative to the connecting base 2, the possibility that the traction rod 1 deforms due to bumping when passing through an uneven road section is reduced, when the tractor stops, the flatbed trailer 7 continues to move leftwards under the action of inertia, the first pin shaft 5 moves rightwards in the first opening 22, the first pin shaft 5 contacts the brake rocker 33, and the top end of the braking wane 33 is pushed to move rightwards, under the action of the fulcrum of the second pin shaft 6, the bottom end of the braking wane 33 moves leftwards, the first brake cable 30 moves leftwards along with the braking wane 33, the brake cable fixing plate 33 moves leftwards along with the first brake cable 30, the two second brake cables 31 move leftwards along with the brake cable fixing plate 33, namely the second brake cables 31 are in a tensioned state, the front axle brake discs 8 of the two wheels are in a braking state along with the second brake cables 31, the braking state of the platform trailer 7 is completed, the running is automatically stopped, the possibility that the traction rod 1 is easy to deform is reduced, and the running safety of the platform trailer 7 is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An inertia braking structure is characterized by comprising a traction rod, a connecting seat and a braking component;

the draw bar is rotatably connected with the connecting seat through a first pin shaft;

the brake assembly includes braking wane, first brake cable, brake cable fixed plate and second brake cable, rotate through second round pin axle between braking wane and the connecting seat and be connected, fixed connection between the one end of first brake cable and the bottom of braking wane, fixed connection between the other end of first brake cable and the brake cable fixed plate, fixed connection between the one end of second brake cable and the brake cable fixed plate, fixed connection between the other end of second brake cable and the wheel of flatbed trailer.

2. An inertia brake structure according to claim 1, wherein the drag lever includes a first drag portion and a second drag portion, the first drag portion is disposed in a column shape, a drag ring is fixedly disposed on a left side of the first drag portion, the second drag portion is disposed in a ladder shape, a left end of the second drag portion is fixedly connected to the first drag portion, a second opening is disposed on a right end of the second drag portion, the first pin is disposed at the second opening, and two ends of the first pin are disposed through the second drag portion.

3. An inertia brake mechanism according to claim 2, wherein the connecting base includes a first base and a second base integrally connected to each other, the first base is disposed on the left side of the second base, the left end of the first base is connected to the drawbar, the right end of the second base is fixedly connected to the flat-bed trailer, the first opening is disposed on the first base, the first opening is disposed along the length direction of the first base, two ends of the first pin are disposed through the first opening, the second pin is rotatably connected to the first base, and the second pin is disposed on the right side below the first pin.

4. The inertia brake structure of claim 3, wherein the brake cable fixing plate is disposed below the second seat, a front axle brake disc is disposed inside the wheel of the flatbed trailer, the left end of the first brake cable is fixedly connected to the brake rocker, the right end of the first brake cable is fixedly connected to the brake cable fixing plate, the second brake cables include two same cables, the two second brake cables are disposed on two sides of the first brake cable, the left end of the second brake cable is fixedly connected to the brake cable fixing plate, and the right end of the second brake cable is fixedly connected to the front axle brake disc.

5. An inertia brake structure according to claim 3, wherein a fixing seat is fixedly disposed at the bottom of the second seat, the fixing seat is disposed at the left side of the brake cable fixing plate, a pulley is disposed on the fixing seat, and the first brake cable is disposed through the pulley.