CN210531458U

CN210531458U - Pneumatic normally-open disc brake

Info

Publication number: CN210531458U
Application number: CN201920996374.1U
Authority: CN
Inventors: 徐贤国
Original assignee: Kunshan Hongxu Machinery Co Ltd
Current assignee: Kunshan Hongxu Machinery Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-15
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a pneumatic normally-open disc brake, which belongs to the technical field of brakes and comprises a base and an upper plate, wherein the base is connected with the upper plate through a fixing mechanism, the fixing mechanism is provided with a left support arm and a right support arm, the bottoms of the left support arm and the right support arm are both provided with a brake mechanism, the upper end of the left support arm is provided with a second screw in threaded connection with the left support arm, the outer part of the second screw is also sleeved with a first nut, and the upper end of the right support arm is provided with an air bag device for normally-open braking; the utility model discloses a ejector pin outside sets up second pressure spring cooperation gas bag seat and ejector pin dish and carries out pneumatic normally open braking in the gas bag device, and braking effect is good, and the operation is stable, and the circulation braking is effectual, convenient operation, the practicality is strong.

Description

Pneumatic normally-open disc brake

Technical Field

The utility model relates to a stopper technical field specifically is a pneumatic normally open disc brake.

Background

A brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member (or a moving machine). Due to the development of modern industrial machinery, a plurality of new structural types appear, wherein a caliper disc brake, a magnetic powder brake and an electromagnetic brake are most widely applied. The brakes are specifically classified as follows: a friction type brake, which may be divided into a disc brake, an outer locking block type brake, an inner expanded shoe type brake, a band type brake, an integrated band type brake, a double shoe type brake, a multi-shoe type brake, a simple band type brake, a single disc type brake, a multi-disc type brake, a fixed caliper type brake, a floating type brake, etc.; the non-friction brake may be magnetic powder brake, magnetic eddy current brake, water eddy current brake, etc.

The existing caliper disc brake adopts a modular design, the braking principle is that the brake is opened by ventilation and is braked by air interruption, but the braking effect of the existing caliper disc brake is poor when the brake is carried out, and the actual using effect of the brake is influenced.

Disclosure of Invention

An object of the utility model is to provide a pneumatic normally open disc brake to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pneumatic normally open disc brake, includes base and upper plate, the base passes through fixed establishment and links to each other with the upper plate, last left support arm and the right support arm of installing of fixed establishment, brake mechanism is all installed to left side support arm and right support arm bottom, the second screw rather than threaded connection is installed to left side support arm upper end, and the outside still cover of second screw is equipped with first nut, the gas package device that is used for normally opening the braking is installed to right side support arm upper end.

As a further technical solution of the present invention: the fixing mechanism comprises two guide sleeves which are arranged in parallel in a base and an upper plate, a second bolt is arranged in each guide sleeve, a spring washer is arranged on each second bolt, a left support arm and a right support arm are respectively arranged outside the two guide sleeves and are rotationally connected with the two guide sleeves, each brake mechanism comprises a friction block and a brake block, a brake pin is arranged on each brake block, first pressure springs are arranged on the front side and the rear side of each brake block, the two first pressure springs are connected with the brake blocks through first screws, one end of each first pressure spring is connected with the friction block, a friction block bottom plate is further arranged between each friction block and each brake block, each air bag device comprises an air bag seat arranged in the corresponding right support arm, an air bag upper cover is fixedly arranged on the right side of each air bag seat, an air bag is fixedly arranged in each air bag seat, a push rod disc is fixedly arranged on the left side of the air bag, a push rod is fixedly arranged, the air bag seat is penetrated and is connected with its sliding connection in ejector pin left side, the ejector pin outside still overlaps and is equipped with even second pressure spring, second pressure spring one end and air bag seat inner wall fixed connection, the other end and ejector pin dish fixed connection.

As a further technical solution of the present invention: the left support arm is connected with the right support arm through a tension spring.

As the utility model discloses a further technical scheme again: and a second nut in threaded connection with the air bag seat is mounted at the outer part of the left end of the air bag seat.

As the utility model discloses a further technical scheme again: the air bag upper cover is connected with the air bag base through a first bolt, and a flat pad and a nut are mounted on the first bolt.

As the utility model discloses a further technical scheme again: and a third screw in threaded connection with the left support arm is installed on the left support arm, and a top block for fixing a second screw is fixedly installed on the third screw.

As the utility model discloses a further technical scheme again: and the left support arm and the right support arm are both fixedly connected with the tension spring through a fourth screw.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic normally-open braking is carried out by arranging the second pressure spring outside the ejector rod in the air bag device to match with the air bag seat and the ejector rod disc, the braking effect is good, the operation is stable, the circulating braking effect is good, the operation is convenient, and the practicability is high.

Drawings

FIG. 1 is a front cross-sectional view of a pneumatic normally open disc brake;

fig. 2 is a left side cross-sectional view of a pneumatic normally open disc brake.

In the figure: 1-a first pressure spring, 2-a friction block, 3-a first screw, 4-a friction block bottom plate, 5-a brake block, 6-an upper plate, 7-a left support arm, 8-a tension spring, 9-a first nut, 10-a second screw, 11-a second nut, 12-a mandril, 13-a right support arm, 14-a second pressure spring, 15-an air bag seat, 16-a mandril disk, 17-an air bag, 18-an air bag upper cover, 19-a nut, 20-a flat pad, 21-a first bolt, 22-a top block, 23-a third screw, 24-a fourth screw, 25-a base, 26-a guide sleeve, 27-a second bolt, 28-a spring washer and 29-a brake pin.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

The pneumatic normally-open disc brake shown in fig. 1 and 2 comprises a base 25 and an upper plate 6, wherein the base 25 is connected with the upper plate 6 through a fixing mechanism, a left support arm 7 and a right support arm 13 are mounted on the fixing mechanism, brake mechanisms are mounted at the bottoms of the left support arm 7 and the right support arm 13, the left support arm 7 and the right support arm 13 are rotatably arranged outside the fixing mechanism, and when the left support arm 7 and the right support arm 13 rotate, braking is performed through cooperation of the brake mechanisms at the bottoms; a second screw 10 in threaded connection with the left support arm 7 is installed at the upper end of the left support arm 7, a first nut 9 is further sleeved outside the second screw 10, and a brake gap is adjusted by installing the second screw 10, so that the distance between two brake mechanisms at the bottom is adjusted, and more effective braking is realized; the air bag device for normally opening the brake is installed at the upper end of the right support arm 13, the brake state is opened by inflating the air bag device, and the brake state is closed when the air bag device is deflated, so that pneumatic normally opening brake is realized, and the operation is more convenient and practical.

Specifically, the fixing mechanism comprises two guide sleeves 26 which are arranged in the base 25 and the upper plate 6 in parallel, that is, the two guide sleeves 26 are fixedly arranged between the base 25 and the upper plate 6 in parallel; a second bolt 27 is arranged in the guide sleeve 26, a spring washer 28 is arranged on the second bolt 27, and the left support arm 7 and the right support arm 13 are respectively arranged outside the two guide sleeves 26 and are rotationally connected with the two guide sleeves; namely, the left support arm 7 and the right support arm 13 rotate along the sleeved guide sleeves 26 to realize braking; the brake mechanism comprises a friction block 2 and a brake block 5, the friction block 2 is contacted with the rotating mechanism during braking, and braking is realized through friction force; the brake blocks 5 are provided with brake pins 29, namely, one brake block 5 is connected with the left support arm 7 through one brake pin 29, the other brake block 5 is connected with the right support arm 13 through the other brake pin 29, and the friction blocks 2 on the two brake blocks 5 are matched for braking; the front side and the rear side of the brake block 5 are respectively provided with a first pressure spring 1, the two first pressure springs 1 are connected with the brake block 5 through first screws 3, one end of each first pressure spring 1 is connected with a friction block 2, namely one end of each first pressure spring 1 is fixed on the friction block 2, the other end or the middle of each first pressure spring is fixed on the brake block 5 through the first screw 3, buffering is carried out through the first pressure springs 1, locking during emergency braking is prevented, safety is good, the first screws 3 are preferably inner hexagon screws, the brake pins 29 are pressed through matching with the first pressure springs 1, and when the friction block 2 needs to be replaced, the new friction block 2 can be replaced easily only by loosening the first screws 3; a friction block bottom plate 4 is also arranged between the friction block 2 and the brake block 5; the air bag device comprises an air bag seat 15 arranged in a right support arm 13, an air bag upper cover 18 is fixedly arranged on the right side of the air bag seat 15, an air bag 17 is fixedly arranged in the air bag seat 15, a push rod disc 16 is fixedly arranged on the left side of the air bag 17, a push rod 12 is fixedly arranged on the left side of the push rod disc 16, the left side of the push rod 12 penetrates through the air bag seat 15 and is in sliding connection with the air bag seat, specifically, the push rod 12 slides leftwards and rightwards, when the air bag 17 is inflated, the push rod disc 16 moves leftwards, and at the moment, the push rod 12 pushes a second screw 10 matched with the push rod disc, so that the two support arms rotate to be; a second pressure spring 14 is further sleeved outside the ejector rod 12, one end of the second pressure spring 14 is fixedly connected with the inner wall of the air bag seat 15, the other end of the second pressure spring 14 is fixedly connected with the ejector rod disc 16, resetting and buffering are carried out through the arrangement of the second pressure spring 14 in a matching mode, the second pressure spring 14 is compressed when air is inflated, and the second pressure spring 14 restores to deform to brake and release when air is deflated; when the air bag is inflated or deflated, the second pressure spring 14 can also relieve the impact of the ejector rod disc 18 on the air bag 17, so that the service life is prolonged while the braking is ensured.

The left support arm 7 is connected with the right support arm 13 through the tension spring 8, the tension spring 8 stretches when rotating, and the tension spring 8 resets when external force is removed, so that an auxiliary return function is realized, the control is stable, and the braking effect is good.

The gas bag seat 15 left end externally mounted have rather than threaded connection's second nut 11, fix gas bag seat 15 in right support arm 13 through second nut 11, conveniently carry out the dismouting to gas bag seat 15.

The air bag upper cover 18 is connected with the air bag seat 15 through a first bolt 21, a flat pad 20 and a nut 19 are mounted on the first bolt 21, the air bag upper cover 18 is fixedly connected with the air bag seat 15 through the first bolt 21 matched with the flat pad 20 and the nut 19, and assembly and disassembly are facilitated.

Example 2

This embodiment is further optimized on the basis of embodiment 1, install the third screw 23 rather than threaded connection on the left side support arm 7, fixed mounting has the kicking block 22 that is used for fixed second screw 10 on the third screw 23, fixes second screw 10 through setting up third screw 23 that has kicking block 22, and second screw 10 becomes flexible when preventing to brake and leads to braking untimely or braking effect poor.

Left side support arm 7 and right support arm 13 are all through fourth screw 24 and extension spring 8 fixed connection, conveniently maintain and change extension spring 8.

The brake of the above embodiment is applicable to a vertical brake and a horizontal brake.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. A pneumatic normally open disc brake comprising a base (25) and an upper plate (6), characterized in that: base (25) link to each other with upper plate (6) through fixed establishment, last left support arm (7) and the right support arm (13) of installing of fixed establishment, brake mechanism is all installed to left side support arm (7) and right support arm (13) bottom, left side support arm (7) upper end is installed rather than threaded connection's second screw (10), second screw (10) outside still the cover is equipped with first nut (9), the gas bag device that is used for normally opening the braking is installed to right side support arm (13) upper end.

2. The pneumatic normally open disc brake of claim 1, wherein: the fixing mechanism comprises two guide sleeves (26) which are arranged in a base (25) and an upper plate (6) in parallel, a second bolt (27) is arranged in each guide sleeve (26), a spring washer (28) is arranged on each second bolt (27), a left support arm (7) and a right support arm (13) are respectively arranged outside the two guide sleeves (26) and are rotationally connected with the two guide sleeves, the brake mechanism comprises a friction block (2) and a brake block (5), a brake pin (29) is arranged on the brake block (5), first pressure springs (1) are arranged on the front side and the rear side of the brake block (5), the two first pressure springs (1) are connected with the brake block (5) through first screws (3), one end of each first pressure spring (1) is connected with the friction block (2), a friction block bottom plate (4) is further arranged between the friction block (2) and the brake block (5), and the air bag device comprises an air bag seat (15) arranged in the right support arm (13), air bag seat (15) right side fixed mounting has air bag upper cover (18), fixed mounting has gasbag (17) in air bag seat (15), gasbag (17) left side is fixed to be ann ejector pin dish (16), ejector pin dish (16) left side fixed mounting has ejector pin (12), ejector pin (12) left side runs through air bag seat (15) and rather than sliding connection, ejector pin (12) outside still is equipped with even second pressure spring (14), second pressure spring (14) one end and air bag seat (15) inner wall fixed connection, the other end coils (16) fixed connection with the ejector pin.

3. The pneumatic normally open disc brake of claim 1 or 2, characterized in that: the left support arm (7) is connected with the right support arm (13) through a tension spring (8).

4. The pneumatic normally open disc brake of claim 2, wherein: and a second nut (11) in threaded connection with the air bag seat is mounted at the outer part of the left end of the air bag seat (15).

5. The pneumatic normally open disc brake of claim 2, wherein: the air bag upper cover (18) is connected with the air bag base (15) through a first bolt (21), and a flat pad (20) and a nut (19) are mounted on the first bolt (21).

6. The pneumatic normally open disc brake of claim 3, wherein: and a third screw (23) in threaded connection with the left support arm (7) is installed on the left support arm, and a top block (22) for fixing the second screw (10) is fixedly installed on the third screw (23).

7. The pneumatic normally open disc brake of claim 3, wherein: and the left support arm (7) and the right support arm (13) are fixedly connected with the tension spring (8) through a fourth screw (24).