Gap adjustable compensation device of air pressure disc brake

Abstract

The utility model discloses an air pressure disc brake clearance adjustable compensation device which comprises brake calipers, the brake calipers are in an arch shape and are fixedly provided with hydraulic oil pipes, the two ends of the hydraulic oil pipes penetrate through the brake calipers and are fixedly provided with oil cylinders, compensation mechanisms are symmetrically arranged on the brake calipers, and the hydraulic oil pipes are fixedly provided with oil cylinders. The compensation mechanism comprises connecting rods which are arranged on the side wall of the brake calipers in a penetrating mode and are in sliding connection with the brake calipers, limiting blocks are fixedly installed at the ends, located outside the brake calipers, of the two connecting rods, and reset springs are fixedly connected between the two limiting blocks and the brake calipers. The two connecting rods are fixedly provided with the same friction plate located between the two oil cylinders. By arranging the compensation mechanism, the worm can be rotated by rotating the rotary knob, so that the compensation block is close to the friction plate so as to compensate the abrasion of the friction plate in the braking process, meanwhile, the compensation distance can be adjusted, the use is more convenient, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake technology field especially relates to a gap adjustable compensation device of air pressure disc brake. BACKGROUND

[0002] The rotating element in the friction pair of disc brake is the metal disc working in the end face, called brake disc, and the friction element clamps the brake disc from both sides to generate braking, and the fixed element has various structural forms, and generally, disc brake can be divided into two categories of caliper disc type and full disc type.

[0003] When the friction element clamps the brake disc to brake, wear occurs due to the friction between the friction element and the brake disc, the gap between the brake disc and the friction element exceeds the initial gap band, and thus the thickness of the wear needs to be compensated, and therefore, the utility model provides a gap adjustable compensation device of air pressure disc brake. UTILITY MODEL CONTENTS

[0004] The utility model discloses a gap adjustable compensation device of air pressure disc brake to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A gap adjustable compensation device of air pressure disc brake, including brake caliper, brake caliper is arc, and fixedly installs hydraulic oil pipe, and the both ends of hydraulic oil pipe pass through brake caliper, and fixedly installs oil cylinder, brake caliper is provided with the compensation mechanism of symmetrical arrangement on.

[0007] Preferably, the compensation mechanism includes a connecting rod that is disposed through the side wall of the brake caliper and is in sliding connection with the brake caliper, one end of each of the two connecting rods located outside the brake caliper is fixedly installed with a limiting block, a return spring is fixedly connected between each of the two limiting blocks and the brake caliper, a friction plate is fixedly installed on each of the two connecting rods and located between the two oil cylinders, a first fixed block is fixedly installed on the extension end of the oil cylinder, two second fixed blocks are fixedly installed on the side wall of the first fixed block close to the friction plate, a compensation cylinder is rotatably connected to the first fixed block and located between the two second fixed blocks, a worm gear is fixedly installed on the outer side wall of the compensation cylinder, a worm is rotatably connected between the two second fixed blocks, the worm is in meshing connection with the worm gear, a compensation block is arranged between the friction plate and the compensation cylinder, a compensation rod is fixedly installed on the side wall of the compensation block close to the compensation cylinder, an outer groove is formed in the outer side wall of the compensation rod, and an inner block is fixedly installed on the inner wall of the compensation cylinder.

[0008] Preferably, two telescopic rods are fixedly installed on one side wall of the friction plate close to the first fixed block, and the telescopic ends of the two telescopic rods are fixedly connected to the compensation block.

[0009] Preferably, the outer groove is arc-shaped and extends along the axis direction, and the inner block is located in the outer groove and is in sliding connection with the outer groove.

[0010] Preferably, one end of the worm rod penetrates through a second fixed block and is fixedly installed with a knob outside the two second fixed blocks.

[0011] Preferably, the first fixed block and the two second fixed blocks are integrally formed.

[0012] The utility model discloses the beneficial effect:

[0013] By setting up the compensation mechanism, the worm rod can be rotated by rotating the knob, so that the compensation block approaches the friction plate, and the wear of the friction plate during braking can be compensated, and the compensation distance can be adjusted, so that the utility model is more convenient to use and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the air pressure disc brake gap adjustable compensation device is provided.

[0015] Figure 2 A plane structure schematic view in the compensation cylinder of the utility model is provided.

[0016] Figure 3 A three-dimensional structure schematic view of the compensation rod and the outer groove is provided.

[0017] Figure 4 A three-dimensional structure schematic view of the compensation cylinder and the inner block is provided.

[0018] In the drawing: 1 brake caliper, 2 hydraulic oil pipe, 3 oil cylinder, 4 first fixed block, 5 second fixed block, 6 telescopic rod, 7 worm rod, 8 worm wheel, 9 compensation cylinder, 10 friction plate, 11 knob, 12 connecting rod, 13 return spring, 14 limit block, 15 compensation block, 16 inner block, 17 compensation rod, 18 outer groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] REFERENCE Figures 1-4The utility model provides a kind of air pressure disc brake gap adjustable compensation device, including brake caliper 1, brake caliper 1 is arc, and fixedly equipped with hydraulic oil pipe 2, hydraulic oil pipe 2 both ends pass through brake caliper 1, and fixedly equipped with oil cylinder 3, brake caliper 1 is provided with symmetrically arranged compensation mechanism;

[0021] Compensation mechanism includes the connecting rod 12 being arranged through and being slidably connected with brake caliper 1 side wall, two connecting rods 12 are located and are fixedly installed with limit block 14 at the one end outside brake caliper 1, two limit blocks 14 and brake caliper 1 are fixedly connected with reset spring 13 between, the same friction plate 10 between two oil cylinders 3 is fixedly installed on two connecting rods 12, the telescopic end of oil cylinder 3 is fixedly installed with first fixed block 4, two second fixed blocks 5 are fixedly installed on the side wall of first fixed block 4 close to friction plate 10, first fixed block 4 is rotatably connected with compensation cylinder 9 between two second fixed blocks 5 on the side wall close to friction plate 10, compensation cylinder 9 is fixedly installed with worm gear 8 on the outer side wall, two second fixed blocks 5 are rotatably connected with worm 7 between, worm 7 is meshed with worm gear 8, compensation block 15 is arranged between friction plate 10 and compensation cylinder 9, compensation rod 17 is fixedly installed on the side wall close to compensation cylinder 9 of compensation block 15, outer groove 18 is formed on the outer side wall of compensation rod 17, inner block 16 is fixedly installed on the inner wall of compensation cylinder 9, two telescopic rods 6 are fixedly installed on the side wall of first fixed block 4 close to friction plate 10, and the telescopic end of two telescopic rods 6 is fixedly connected on compensation block 15, outer groove 18 is arc and extends along the axial direction, and inner block 16 is located in outer groove 18 and is slidably connected with outer groove 18, one end of worm 7 penetrates one second fixed block 5 and is fixedly installed with knob 11 outside two second fixed blocks 5, and first fixed block 4 and two second fixed blocks 5 are integrally formed.

[0022] The utility model uses, and oil cylinder 3 works and makes first fixed block 4, second fixed block 5, compensation cylinder 9 and compensation block 15 whole movement towards the direction close to friction plate 10, further can make two friction plates 10 close to each other and brake, when two friction plates 10 close to each other, reset spring 13 is compressed, and when first fixed block 4, second fixed block 5, compensation cylinder 9 and compensation block 15 return to initial position by oil cylinder 3, the elastic force produced by reset spring 13 being compressed, can make two friction plates 10 away from each other, when friction plate 10 wears, rotate knob 11 and make worm 7 rotate, the meshing connection of worm 7 and worm gear 8 can make compensation cylinder 9 rotate, and the rotation of compensation cylinder 9 makes inner block 16 rotate around the axial direction of compensation cylinder 9, by setting two telescopic rods 6, make compensation block 15 unable to rotate, so as to make compensation rod 17 unable to rotate, and its inner block 16 will slide in outer groove 18, further can make compensation block 15 movement towards the direction close to friction plate 10, to compensate the wear of friction plate 10, realize the adjustment of compensation gap.

[0023] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A pneumatic disc brake clearance-adjustable compensation device, comprising a brake caliper (1), characterized in that: The brake caliper (1) is in a bow shape and is fixedly provided with a hydraulic oil pipe (2). Both ends of the hydraulic oil pipe (2) pass through the brake caliper (1) and are fixedly provided with an oil cylinder (3). The brake caliper (1) is provided with a symmetrically arranged compensation mechanism, and the compensation mechanism includes a connecting rod (12) that is arranged on the side wall of the brake caliper (1) and is slidably connected thereto. A limit block (14) is fixedly provided at one end of the two connecting rods (12) located outside the brake caliper (1). A return spring (13) is fixedly connected between the two limit blocks (14) and the brake caliper (1). The two connecting rods (12) are fixedly provided with a same friction plate (10) located between the two oil cylinders (3). A first fixed block (4) is fixedly provided on the telescopic end of the oil cylinder (3). The first fixed block (4) is fixedly provided on the telescopic end of the oil cylinder (3). Two second fixed blocks (5) are fixedly mounted on a side wall of the fixed block (4) close to the friction plate (10); a compensation cylinder (9) located between the two second fixed blocks (5) is rotatably connected on a side wall of the first fixed block (4) close to the friction plate (10); a worm wheel (8) is fixedly mounted on the outer wall of the compensation cylinder (9); a worm (7) is rotatably connected between the two second fixed blocks (5); the worm (7) is meshed with the worm wheel (8); a compensation block (15) is provided between the friction plate (10) and the compensation cylinder (9); a compensation rod (17) is fixedly mounted on a side wall of the compensation block (15) close to the compensation cylinder (9); an outer groove (18) is provided on the outer wall of the compensation rod (17); and an inner block (16) is fixedly mounted on the inner wall of the compensation cylinder (9).

2. The pneumatic disc brake clearance adjustable compensation device according to claim 1, characterized in that: Two telescopic rods (6) are fixedly mounted on a side wall of the first fixed block (4) close to the friction plate (10), and the telescopic ends of the two telescopic rods (6) are fixedly connected to the compensation block (15).

3. The pneumatic disc brake clearance adjustable compensation device according to claim 1, characterized in that: The outer groove (18) is arc-shaped and extends along the axial direction, and the inner block (16) is located in the outer groove (18) and is slidably connected to the outer groove (18).

4. The pneumatic disc brake clearance adjustable compensation device according to claim 1, characterized in that: One end of the worm (7) passes through a second fixing block (5) and is fixedly mounted with a knob (11) located outside the two second fixing blocks (5).

5. The pneumatic disc brake clearance adjustable compensation device according to claim 1, characterized in that: The first fixing block (4) and the two second fixing blocks (5) are integrally formed.

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