CN215922154U

CN215922154U - Pneumatic brake device of agricultural tractor

Info

Publication number: CN215922154U
Application number: CN202120989837.9U
Authority: CN
Inventors: 武贞涛
Original assignee: Shandong Mengyang Machinery Manufacturing Co ltd
Current assignee: Shandong Mengyang Machinery Manufacturing Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-03-01
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a pneumatic brake device of an agricultural tractor, which comprises a brake disc and a pneumatic device, wherein a cam is fixedly arranged outside the brake disc, the cam is fixedly connected with the pneumatic device, a rotating wheel is fixedly arranged outside the brake disc, a brake plate is fixedly arranged outside the brake disc, a movable block is fixedly arranged outside the brake disc, the movable block is connected with the brake plate through a spring, and brake pads are fixedly arranged outside the brake plate. The pneumatic device is adopted to brake the agricultural tractor, so that the braking effect can be greatly improved, the braking efficiency is high, the stroke is short, the driving safety performance is greatly improved, and meanwhile, the pneumatic device performs braking, the trampling force of a driver during braking is greatly reduced, so that part of fatigue generated during braking is relieved.

Description

Pneumatic brake device of agricultural tractor

Technical Field

The utility model relates to the technical field of auxiliary tools of agricultural vehicles, in particular to a pneumatic brake device of an agricultural tractor.

Background

At present, all agricultural tractors in the market adopt connecting rod type foot brakes, the operation of the foot brakes is very laborious, the braking effect of the agricultural tractors with the connecting rod type foot brakes is poor, the braking stroke is far, and accidents easily occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic brake device of an agricultural tractor, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an agricultural tractor pneumatic brake device, includes brake disc and pneumatic means, the brake disc external fixation is provided with the cam, the cam is connected with the pneumatic means stationary phase, the brake disc external fixation is provided with the runner, the brake disc external fixation is provided with the brake block, the brake disc external fixation is provided with the movable block, the movable block is connected through the spring with the brake block, the brake block outside is all fixed and is provided with the brake block.

Preferably, a cam is fixedly arranged on one side of the outer portion of the brake disc, a fixing clamp is fixedly arranged at the telescopic end of the pneumatic device, the cam is located between the inner portions of the fixing clamp, a fixing rod is fixedly arranged between the inner portions of the fixing clamp and the cam, and a brake drum is fixedly arranged on one side, far away from the cam, of the outer portion of the brake disc.

Preferably, the middle part of one side, far away from the cam, of the outer part of the brake disc is fixedly provided with a rotating wheel, the two sides of the outer part of the rotating wheel are fixedly provided with a convex block, the other two sides of the outer part of the rotating wheel are fixedly provided with a swinging rod, and the swinging rod is made of a high-strength material.

Preferably, the brake disc is inside to have all seted up the spout in runner one side upper end, lower extreme left side and right side, the brake disc outside is all fixed being provided with the movable block in runner one side upper end and lower extreme, the movable block is inside to have all seted up the rod groove near runner one side.

Preferably, the brake disc is externally provided with brake plates at two ends of one side of the rotating wheel, the brake disc is externally provided with push plates at two ends of one side of the rotating wheel, and the push plates are arc-shaped and are attached to the bumps.

Preferably, the push pedal passes through the connecting rod stationary phase with the brake block and is connected, the connecting rod adopts high strength material to make, the brake block is keeping away from connecting rod one side fixed and is provided with the brake block, the push pedal is all fixed being provided with the slider near the upper end and the lower extreme of brake disc one side, the slider all is located between the spout is inside.

Preferably, the movable block is provided with a sliding block at the upper end and the lower end of one side close to the brake disc, the sliding block is located between the inner parts of the sliding grooves, and the movable block is fixedly connected with the brake plate through a spring.

Preferably, the swinging rods are located between the inner portions of the rod grooves, the springs are high-stiffness springs, and the cam is fixedly connected with the rotating wheel through the rotating rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the pneumatic device is adopted to brake the agricultural tractor, so that the braking effect can be greatly improved, the braking efficiency is high, the stroke is short, the driving safety performance is greatly improved, and meanwhile, the pneumatic device performs braking, the trampling force of a driver during braking is greatly reduced, so that part of fatigue generated during braking is relieved;

2. the utility model pushes the brake plate to drive the brake block to be clamped with the brake drum during braking, thereby realizing booster braking, and the brake block can be replaced randomly after being worn.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic brake device of an agricultural tractor according to the present invention;

FIG. 2 is a rear view of the overall structure of a pneumatic brake device of an agricultural tractor according to the present invention;

FIG. 3 is a working diagram of the overall structure of the pneumatic brake device of the agricultural tractor according to the present invention;

FIG. 4 is a side view of the pneumatic brake device of an agricultural tractor according to the present invention.

In the figure: 1. a brake plate; 11. a connecting rod; 12. pushing the plate; 13. a brake pad; 2. a spring; 3. a brake disc; 31. a brake drum; 4. a movable block; 41. a rod groove; 5. a slider; 51. a chute; 6. a rotating wheel; 61. a bump; 62. a swing lever; 7. a pneumatic device; 71. a fixing clip; 8. a cam; 81. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an agricultural tractor pneumatic brake device, includes brake disc 3 and

pneumatic means

7, 3 external fixations of brake disc are provided with cam 8, cam 8 is connected with pneumatic means 7 is fixed, 3 external fixations of brake disc are provided with

runner

6, 3 external fixations of brake disc are provided with brake block 1, 3 external fixations of brake disc are provided with movable block 4, movable block 4 is connected through spring 2 with brake block 1, 1 external all fixations of brake block are provided with brake block 13.

A cam 8 is fixedly arranged on one side of the outer part of the brake disc 3, a fixing clamp 71 is fixedly arranged on the telescopic end of the pneumatic device 7, the cam 8 is positioned between the inner parts of the fixing clamps 71, a fixing rod 81 is fixedly arranged between the inner parts of the fixing clamps 71 and the cam 8, and a brake drum 31 is fixedly arranged on one side of the outer part of the brake disc 3, which is far away from the cam 8; the middle part of one side, far away from the cam 8, of the outer part of the brake disc 3 is fixedly provided with a rotating wheel 6, two sides of the outer part of the rotating wheel 6 are fixedly provided with a convex block 61, the other two sides of the outer part of the rotating wheel 6 are fixedly provided with a swinging rod 62, and the swinging rod 62 is made of a high-strength material, so that the swinging rod 62 can easily drive the movable block 4 to move when rotating, and the bending damage can not occur; sliding grooves 51 are formed in the brake disc 3 on the upper end, the left end and the right end of one side of the rotating wheel 6, movable blocks 4 are fixedly arranged on the outer portion of the brake disc 3 on the upper end and the lower end of one side of the rotating wheel 6, and rod grooves 41 are formed in the movable blocks 4 on the side close to the rotating wheel 6; the brake disc 3 is characterized in that the brake plates 1 are fixedly arranged at two ends of one side of the rotating wheel 6 outside the brake disc 3, the push plates 12 are arc-shaped and are attached to the convex blocks 61, so that the convex blocks 61 are more convenient and smooth when the push plates 12 are jacked up; the push plate 12 is fixedly connected with the brake plate 1 through a connecting rod 11, the connecting rod 11 is made of a high-strength material, a brake block 13 is fixedly arranged on one side, away from the connecting rod 11, of the brake plate 1, slide blocks 5 are fixedly arranged at the upper end and the lower end of the push plate 12, close to one side of the brake disc 3, and the slide blocks 5 are located between the inner portions of the slide grooves 51; the upper end and the lower end of one side of the movable block 4 close to the brake disc 3 are both fixedly provided with sliding blocks 5, the sliding blocks 5 are both positioned in the sliding grooves 51, and the movable block 4 and the brake plate 1 are both fixedly connected through springs 2; swing rod 62 all is located between the inside of pole groove 41, spring 2 adopts the spring 2 use of high stiffness coefficient, and just spring 2 can be easily and fast pull back the braking vane 1 and reset when cancelling the braking like this, cam 8 passes through the bull stick stationary phase with runner 6 and is connected, and just so cam 8 can drive runner 6 and rotate the work.

The working principle is as follows: the device is arranged between the inner parts of the hubs of the agricultural tractors in the using process, when braking is needed, the pneumatic device 7 is started and the cam 8 is driven to rotate, the cam 8 drives the rotating wheel 6 and the lug 61 to rotate through the rotating rod, the lug 61 pushes the push plate 12 to rotate simultaneously, so that the sliding block 5 slides between the inner parts of the sliding groove 51, meanwhile, the push plate 12 pushes the brake plate 1 and the brake pad 13 to move towards the direction of the brake drum 31 through the connecting rod 11, the rotating wheel 6 rotates and the swinging rod 62 also rotates away from the inner part of the rod groove 41, the brake plate 1 is pushed and simultaneously drives the movable block 4 to move, and the sliding block 5 moves between the inner parts of the sliding groove 51, so that the brake pad 13 can be attached to the brake drum 31, and the braking effect is achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic brake equipment of agricultural tractor, includes brake disc (3) and pneumatic means (7), its characterized in that: brake disc (3) external fixation is provided with cam (8), cam (8) are fixed with pneumatic means (7) and are connected, brake disc (3) external fixation is provided with runner (6), brake disc (3) external fixation is provided with brake block (1), brake disc (3) external fixation is provided with movable block (4), movable block (4) are connected through spring (2) with brake block (1), brake block (1) outside is all fixed and is provided with brake block (13).

2. An agricultural tractor pneumatic brake as claimed in claim 1, wherein: the fixed cam (8) that is provided with in outside one side of brake disc (3), pneumatic means (7) flexible end is fixed and is provided with fixation clamp (71), cam (8) are located between fixation clamp (71) are inside, it is fixed between inside to be provided with dead lever (81) between fixation clamp (71) and cam (8), the fixed brake drum (31) that is provided with in cam (8) one side is kept away from in brake disc (3) outside.

3. An agricultural tractor pneumatic brake as claimed in claim 1, wherein: the brake disc (3) is outside keeping away from fixed runner (6) that is provided with in cam (8) one side middle part, runner (6) outside both sides all are fixed and are provided with lug (61), the outside other both sides of runner (6) all are fixed and are provided with swinging arms (62), swinging arms (62) adopt high strength material to make.

4. An agricultural tractor pneumatic brake as claimed in claim 1, wherein: sliding grooves (51) are formed in the upper end of one side of the rotating wheel (6), the left side of the lower end of the rotating wheel and the right side of the brake disc (3), movable blocks (4) are fixedly arranged on the upper end of one side of the rotating wheel (6) and the lower end of the outer portion of the brake disc (3), and rod grooves (41) are formed in the inner portion of each movable block (4) and are close to one side of the rotating wheel (6).

5. An agricultural tractor pneumatic brake as claimed in claim 1, wherein: the brake disc (3) is outside all fixedly provided with brake block (1) at the both ends of runner (6) one side, the outside both ends of runner (6) one side of brake disc (3) all fixedly are provided with push pedal (12), push pedal (12) are circular-arc and laminate mutually with lug (61).

6. An agricultural tractor pneumatic brake as claimed in claim 5, wherein: push pedal (12) are connected through connecting rod (11) is fixed with brake block (1), connecting rod (11) adopt high strength material to make, brake block (1) is keeping away from connecting rod (11) one side fixed and is being provided with brake block (13), push pedal (12) are all fixed slider (5) that is provided with at upper end and the lower extreme that is close to brake disc (3) one side, slider (5) all are located between spout (51) inside.

7. An agricultural tractor pneumatic brake as claimed in claim 1, wherein: the movable block (4) is close to the upper end of one side of the brake disc (3) and is fixedly provided with a sliding block (5) at the lower end, the sliding block (5) is located between the inner parts of the sliding groove (51), and the movable block (4) is fixedly connected with the brake plate (1) through a spring (2).

8. An agricultural tractor pneumatic brake as claimed in claim 3, wherein: the swing rods (62) are located between the inner portions of the rod grooves (41), the springs (2) with high stiffness coefficients are used for the springs (2), and the cam (8) is fixedly connected with the rotating wheel (6) through the swing rods.