CN211715584U

CN211715584U - Reverse stop brake device

Info

Publication number: CN211715584U
Application number: CN202020237344.5U
Authority: CN
Inventors: 吴迪; 苗顺德; 王天兴
Original assignee: Zhengzhou Derun Amusement Machinery Co ltd
Current assignee: Zhengzhou Derun Amusement Machinery Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-20
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a reverse locking brake device, which comprises a friction disc and a fixed shell, wherein the friction disc is coaxially and rotatably arranged inside the fixed shell, a ratchet ring is coaxially and fixedly arranged on the surface of the side wall of the friction disc, a wheel ring is coaxially and relatively rotatably arranged on the side edge of the ratchet ring, a ratchet is rotatably arranged inside the wheel ring and is meshed with teeth inside the ratchet ring, a spring piece for inhibiting the rotation of the ratchet is arranged inside the wheel ring, the teeth of the ratchet ring and the ratchet are respectively coincided in a single side and a radial direction, the other side is an inclined cambered surface, a first elastic piece for inhibiting the rotation of the wheel ring is arranged inside the fixed shell, a bulge is arranged on the circumferential surface of the wheel ring, a slide bar is arranged inside the fixed shell along the radial direction in a sliding way, a second elastic piece is arranged between the slide bar and the fixed shell along the sliding direction, when, braking is carried out in time by means of self power, and safety accidents are avoided.

Description

Reverse stop brake device

Technical Field

The utility model relates to a brake equipment technical field specifically is a reverse locking brake equipment.

Background

When the amusement facility design installation, the moving part often need to be used, for guaranteeing user's safety, need carry out some restrictions to the motion of moving part, when carrying out the moving part lift, need carry out the braking restriction to the gyro wheel position, avoid the moving part to suddenly reverse the gliding, arresting gear among the prior art mostly adopts hydraulic pressure or electromagnetism to drive, all need external force to control, when external machinery or circuit break down, traditional device will become invalid, still there is the potential safety hazard, consequently, need develop one kind and can not rely on external machinery, only need carry out the brake equipment of braking through moving part self power.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a reverse locking brake equipment, when moving member reverse motion, rely on self power in time to brake, avoid appearing the incident, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reverse-stopping brake device comprises a friction disc and a fixed shell, wherein the friction disc is coaxially and rotatably installed inside the fixed shell, a ratchet ring is coaxially and fixedly arranged on the surface of the side wall of the friction disc, a wheel ring is coaxially and oppositely arranged on the side edge of the ratchet ring in a rotating mode, ratchets are rotatably arranged inside the wheel ring and are meshed with teeth inside the ratchet ring, a spring piece for inhibiting the ratchets from rotating is arranged inside the wheel ring, the teeth of the ratchet ring and the ratchets are respectively in one-side and radial superposition, the other side of the teeth is an inclined arc surface, a first elastic piece for inhibiting the wheel ring from rotating is arranged inside the fixed shell, a bulge is arranged on the circumferential surface of the wheel ring, a slide bar is installed inside the fixed shell in a sliding mode along the radial direction, a second elastic piece is arranged between the slide bar and the fixed shell along the sliding direction, the lower end of the, a wedge-shaped block is arranged in the fixed shell at a position corresponding to the wedge-shaped surface in an axial sliding manner, a friction plate is arranged on one side, close to the friction plate, of the wedge-shaped block, and a third elastic piece is arranged between the wedge-shaped block and the fixed shell in the sliding direction; when the friction disc rotates forwards, the ratchet and the ratchet ring slip relatively, the wheel ring is static, the bottom end of the sliding rod is positioned at the bottom of the boss on the circumferential surface of the wheel ring, and the friction disc on the surface of the wedge-shaped block is not contacted with the friction disc; when the friction disc rotates reversely, the ratchet and the ratchet ring are in relative meshing transmission, the wheel ring rotates reversely, the bottom end of the slide rod is positioned at the top of the boss on the circumferential surface of the wheel ring, the wedge-shaped surface of the slide rod is enabled to act with the wedge-shaped block, the wedge-shaped block is pushed to move axially, and the friction disc on the surface of the wedge-shaped block is in extrusion contact with the friction disc.

As a preferred technical scheme of the utility model, wedge symmetrical arrangement is in the both sides of friction disk, and friction disk one side is the annular array and arranges the multiunit wedge, through the synchronous extrusion of both sides, increases the extrusion force between friction disc and the friction disk to promote frictional force.

As a preferred technical scheme of the utility model, the protruding side of wheel ring periphery position is the wedge, and slide bar and wheel ring contact position be the arcwall face, and when the wheel ring rotated along with the ratchet ring, the lower extreme of slide bar and the bellied wedge relative slip of wheel ring avoided appearing the dead problem of card through structural design between them.

As an optimal technical scheme of the utility model, the side of wheel ring sets up the arc wall, the inside bolt that inserts the arc wall that sets up of set casing, be equipped with first elastic component between the one end of bolt and arc wall, through the limiting displacement of first elastic component, make the wheel ring be in quiescent condition when the friction disk forward rotation, and during the friction disk antiport, the wheel ring can the short distance synchronous rotation thereupon, and when the friction disk resumes corotation, can reset fast.

As a preferred technical scheme of the utility model, the one end of spring leaf is fixed with the rim, a side contact of ratchet ring gear is kept away from with the ratchet to the spring leaf, through the spring leaf effect, makes the ratchet can in time kick-back, when guaranteeing friction disk corotation, the ratchet can appear skidding with the ratchet ring gear, and when the friction disk reversal, power transmission can appear between ratchet and the ratchet ring gear.

Compared with the prior art, the beneficial effects of the utility model are that: the reverse-locking brake device adopts the ratchet mechanism, when the friction disc rotates in the forward direction, the ratchet mechanism is in a slipping state, the forward movement of the moving piece is not influenced at the moment, when the moving piece moves in the reverse direction, the ratchet mechanism is immediately meshed to drive the friction disc to be extruded with the friction disc immediately, the speed reduction braking is carried out in a friction braking mode, the whole process does not need to rely on external power, the driving is carried out only by the self power of the moving piece, when the moving piece recovers the forward movement, the locking of the braking is automatically released, and the normal operation of the moving piece is not influenced.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the inner assembly plane of the present invention;

FIG. 4 is a schematic view of the assembly of the ratchet and ratchet ring of the present invention;

fig. 5 is a radial cross-sectional view of the present invention;

fig. 6 is a cross-sectional view of the present invention at a.

In the figure: the friction plate comprises a friction plate 1, a fixed shell 2, a ratchet ring 3, a 4-wheel ring, a boss 401, a first elastic member 402, a spring plate 403, a ratchet 404, a sliding rod 5, a second elastic member 501, a wedge block 6, a third elastic member 601 and a friction plate 602.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a reverse stop brake device comprises a friction disc 1 and a fixed shell 2, wherein the friction disc 1 is coaxially and rotatably arranged in the fixed shell 2, a ratchet ring 3 is coaxially and fixedly arranged on the surface of the side wall of the friction disc 1, a wheel ring 4 is coaxially and oppositely arranged on the side edge of the ratchet ring 3 in a rotating way, a ratchet 404 is rotatably arranged in the wheel ring 4, the ratchet 404 is meshed with teeth in the ratchet ring 3, a spring piece 403 for inhibiting the ratchet 404 from rotating is arranged in the wheel ring 4, the teeth of the ratchet ring 3 and the ratchet 404 are respectively superposed on one side in the radial direction and the other side is an inclined arc surface, a first elastic piece 402 for inhibiting the wheel ring 4 from rotating is arranged in the fixed shell 2, a bulge is arranged on the circumferential surface of the wheel ring 4, a slide rod 5 is slidably arranged in the fixed shell 2 in the radial direction, a second elastic piece 501 is arranged between the slide rod 5 and the fixed shell 2 in the sliding direction, the lower end of the, a wedge block 6 is arranged in the fixed shell 2 at a position corresponding to the wedge surface in an axial sliding manner, a friction plate 602 is arranged on one side, close to the friction disc 1, of the wedge block 6, and a third elastic piece 601 is arranged between the wedge block 6 and the fixed shell 2 in the sliding direction; when the friction disc 1 rotates in the forward direction, the ratchet 404 and the ratchet ring 3 slip relatively, the wheel ring 4 is static, the bottom end of the sliding rod 5 is positioned at the bottom of the boss on the circumferential surface of the wheel ring 4, and the friction plate 602 on the surface of the wedge block 6 is not in contact with the friction disc 1; when the friction disc 1 rotates reversely, the ratchet 404 and the ratchet ring 3 are in relative meshing transmission, the ring 4 rotates reversely, the bottom end of the slide rod 5 is positioned at the top of the boss on the circumferential surface of the ring 4, the wedge-shaped surface of the slide rod 5 is enabled to act with the wedge-shaped block 6, the wedge-shaped block 6 is pushed to move axially, and the friction plate 602 on the surface of the wedge-shaped block 6 is in pressing contact with the friction disc 1.

The wedge-shaped blocks 6 are symmetrically arranged on two sides of the friction disc 1, and a plurality of groups of wedge-shaped blocks 6 are arranged on one side of the friction disc 1 in an annular array mode, so that extrusion force between the friction disc 602 and the friction disc 1 is increased through synchronous extrusion on the two sides, and friction force is improved.

The protruding side of the position of the periphery of the wheel ring 4 is a wedge-shaped surface, the contact position of the slide rod 5 and the wheel ring 4 is an arc-shaped surface, when the wheel ring 4 rotates along with the ratchet ring 3, the lower end of the slide rod 5 and the protruding wedge-shaped surface of the wheel ring 4 slide relatively, and the problem of jamming is avoided through the structural design of the slide rod and the wedge-shaped surface.

The side of wheel ring 4 sets up the arc wall, and the inside bolt that inserts the arc wall that sets up of set casing 2 is equipped with first elastic component 402 between the one end of bolt and arc wall, through the limiting displacement of first elastic component 402, makes wheel ring 4 be in quiescent condition when friction disk 1 forward rotation, and during friction disk 1 counter rotation, wheel ring 4 can the short distance synchronous rotation thereupon, and when friction disk 1 resumes corotation, can reset fast.

One end of the spring plate 403 is fixed with the wheel ring 4, the spring plate 403 is in contact with one side surface of the ratchet 404 far away from the ratchet ring 3, and the ratchet 404 can rebound in time under the action of the spring plate 403, so that the slippage between the ratchet 404 and the ratchet ring 3 can be ensured when the friction disc 1 rotates forwards, and the power transmission can be realized between the ratchet 404 and the ratchet ring 3 when the friction disc 1 rotates backwards.

When in use: the fixed shell 2 and the fixed part of the moving element are fixedly installed, the friction disc 1 and the rotating element of the moving element, such as a roller, are coaxially fixed, so that the friction disc 1 and the roller of the moving element rotate synchronously, when the moving element moves forwards, namely the roller and the friction disc 1 rotate forwards synchronously, at the moment, the ratchet 404 can avoid in time under the action of the spring sheet 403 and is in a slipping state with the ratchet ring 3, but when the moving element moves reversely, because the ratchet 404 and the teeth of the ratchet ring 3 are inclined on one side, the ratchet 404 and the teeth of the ratchet ring 3 are meshed and power transmission occurs, the wheel ring 4 is driven to rotate synchronously with the friction disc, because the length of the arc-shaped groove of the wheel ring 4 is limited, the sliding distance of the bolt in the arc-shaped groove is limited, the rotating angle of the wheel ring 4 relative to the fixed shell 2 is fixed, and during the rotating process, the slide rod 5 slides outwards under the action of the bulge, the wedge-shaped surfaces of the slide rod 5 and the wedge-shaped blocks 6 interact with each other, so that the wedge-shaped blocks 6 on two sides are pressed towards the friction disc 1, and the two friction plates 602 are pressed and rubbed with the friction disc 1, while the wedge-shaped blocks 6 and the friction plates 602 cannot rotate relative to the axis of the fixed shell 2, so that the rotation of the friction disc 1 is inhibited, and the braking effect is achieved;

when the roller and the friction disc 1 return to the forward rotation, the first elastic member 402 pushes the pin to rotate around the shaft, so that the wheel ring 4 returns to the original position, at this time, the second elastic member 501 pushes the slide rod 5 to slide downwards, at this time, the third elastic member 601 drives the wedge block 6 to return to the original position, so that the friction disc 403 is separated from the friction disc 1, and the forward rotation of the friction disc 1 and the roller is not affected.

The utility model discloses a ratchet, when 1 forward rotation of friction disk, ratchet is in the state of skidding, do not influence the forward motion of motion this moment, when reverse motion appears in the motion, ratchet erects the horse interlock, drive friction disc 602 and friction disk 1 and extrude immediately, the mode through friction braking slows down the braking, and whole flow need not to rely on external power, only rely on the self power of motion to drive, when motion resumes forward motion, the locking of braking is automatic to be relieved, do not influence the normal operating of motion.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reverse stop brake device comprising a friction disc (1) and a stationary housing (2), characterized in that: the friction disc (1) is coaxially and rotatably mounted inside a fixed shell (2), a ratchet ring (3) is coaxially and fixedly arranged on the surface of the side wall of the friction disc (1), a wheel ring (4) is coaxially and relatively rotatably arranged on the side edge of the ratchet ring (3), a ratchet (404) is rotatably arranged inside the wheel ring (4), the ratchet (404) is meshed with teeth inside the ratchet ring (3), a spring piece (403) for inhibiting the ratchet (404) from rotating is arranged inside the wheel ring (4), the teeth of the ratchet ring (3) and the ratchet (404) are both in one-sided coincidence with the radial direction, the other side is an inclined arc surface, a first elastic piece (402) for inhibiting the wheel ring (4) from rotating is arranged inside the fixed shell (2), a bulge is arranged on the circumferential surface of the wheel ring (4), a sliding rod (5) is radially and slidably mounted inside the fixed shell (2), and a second elastic piece (501) is arranged between the sliding rod (5) and the fixed shell (2) along the sliding direction, the lower end of the slide rod (5) is in sliding contact with the circumferential surface of the wheel ring (4), a wedge-shaped surface is arranged on one side, close to the friction disc (1), of the slide rod (5), a wedge-shaped block (6) is arranged inside the fixed shell (2) at a position corresponding to the wedge-shaped surface in an axial sliding mode, a friction disc (602) is arranged on one side, close to the friction disc (1), of the wedge-shaped block (6), and a third elastic piece (601) is arranged between the wedge-shaped block (6) and the fixed shell (2) in the sliding direction; when the friction disc (1) rotates forwards, the ratchet (404) and the ratchet ring (3) slip relatively, the wheel ring (4) is static, the bottom end of the sliding rod (5) is positioned at the bottom of a boss of the circumferential surface of the wheel ring (4), and the friction disc (602) on the surface of the wedge-shaped block (6) is not in contact with the friction disc (1); when the friction disc (1) rotates reversely, the ratchet (404) and the ratchet ring (3) are in relative meshing transmission, the wheel ring (4) rotates reversely, the bottom end of the sliding rod (5) is located at the top of a boss on the circumferential surface of the wheel ring (4), the wedge-shaped surface of the sliding rod (5) is promoted to act with the wedge-shaped block (6), the wedge-shaped block (6) is pushed to move axially, and the friction plate (602) on the surface of the wedge-shaped block (6) is in pressing contact with the friction disc (1).

2. The reverse stop brake device according to claim 1, wherein: the wedge-shaped blocks (6) are symmetrically arranged on two sides of the friction disc (1), and a plurality of groups of wedge-shaped blocks (6) are arranged on one side of the friction disc (1) in an annular array.

3. The reverse stop brake device according to claim 1, wherein: the side edge of the bulge at the circumferential surface of the wheel ring (4) is a wedge-shaped surface, and the contact position of the sliding rod (5) and the wheel ring (4) is an arc-shaped surface.

4. The reverse stop brake device according to claim 1, wherein: the side of wheel ring (4) sets up the arc wall, the inside bolt that inserts the arc wall that sets up of set casing (2), be equipped with first elastic component (402) between the one end of bolt and arc wall.

5. The reverse stop brake device according to claim 1, wherein: one end of the spring piece (403) is fixed with the wheel ring (4), and the spring piece (403) is in contact with one side surface of the ratchet (404) far away from the ratchet ring gear (3).