CN214578456U

CN214578456U - Safety brake device of coal mine hoist

Info

Publication number: CN214578456U
Application number: CN202120154688.4U
Authority: CN
Inventors: 魏强; 魏国; 吕瑞玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-02
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to the field of coal mine safety, in particular to a safety braking device of a coal mine hoist, which comprises a supporting frame, wherein a braking part is arranged inside the supporting frame, a friction pad is arranged at the inner side of the braking part, both ends of the braking part are provided with limit rods, springs are arranged on the limit rods, a braking block is arranged inside the friction pad, a first connecting rod is arranged outside the braking block, a connecting block is arranged outside the first connecting rod, a telescopic rod is arranged inside the connecting block, a second connecting rod is fixedly arranged in the middle of the outer side of the braking part, a connecting plate is fixedly arranged outside the second connecting rod outside the supporting frame, supporting plates are arranged at the upper end and the lower end of the inner side of the connecting plate, the supporting plates are connected with a mounting frame through rotating shafts, the mounting frame is fixedly arranged on the outer side wall of the supporting frame, the rotating shaft at the rear side of the mounting frame is connected with a driving motor through a belt, the safety braking device can effectively carry out secondary braking treatment on equipment, this can protect the equipment and ensure the braking process of the equipment.

Description

Safety brake device of coal mine hoist

Technical Field

The utility model relates to a colliery safety field specifically is a colliery lifting machine safety brake.

Background

Coal mines refer to places rich in coal resources and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. Coal is the most important solid fuel, is one of combustible organic rocks, and can be divided into four types, namely peat, lignite, bituminous coal and anthracite, according to the coal gasification degree.

The colliery is carrying out the production in-process, often need use the lifting machine to promote the processing to the coal of gathering, and the lifting machine often needs to use arresting gear to carry out braking processing to equipment in the flow that uses to guarantee the safe handling of equipment, but present arresting gear generally moves to the inboard through screw drive holder, thereby realizes handling the centre gripping braking of equipment, not only leads to arresting gear's damage like this, and solitary clamping device can't carry out braking processing well moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery lifting machine safety brake device 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:

a safety braking device of a coal mine hoist comprises a supporting frame, braking parts are arranged at the left end and the right end inside the supporting frame, a friction pad is fixedly arranged at the inner side of each braking part, limiting rods are arranged at the upper end and the lower end of each braking part, springs are arranged on the limiting rods positioned at the outer sides of the braking parts, braking blocks are arranged at the upper end and the lower end inside the friction pad, a first connecting rod is arranged at the outer side of each braking part, a connecting block is arranged at the outer side of the first connecting rod positioned at the outer side of each braking part, a telescopic rod is arranged at the inner side of each connecting block, a second connecting rod is fixedly arranged at the middle part of the outer side of each braking part, a connecting plate is fixedly arranged at the outer side of the second connecting rod positioned at the outer side of the supporting frame, supporting plates are arranged at the upper end and the lower end of the inner side of each connecting plate, the supporting plates are connected with a mounting frame through rotating shafts, the mounting frame is fixedly arranged on the outer side wall of the supporting frame, and the rotating shafts positioned at the rear side of the mounting frame are connected with a driving motor through belts, the driving motor is arranged on the outer side wall of the supporting frame.

As the utility model discloses a preferred embodiment, the outside four corners fixed mounting of carriage has the screwed pipe, and screwed pipe inside threaded connection has the threaded rod, through the manual rotation threaded rod, can adjust the length between threaded rod and the screwed pipe like this to make things convenient for the length adjustment of equipment to handle, make things convenient for the installation of equipment to handle.

As an optimal implementation mode of the utility model, the installation cover is installed in the threaded rod outside, can make things convenient for the fixed processing of installation of equipment.

As the utility model discloses a preferred embodiment, both sides are provided with spacing lug about the arrester, and spacing lug setting is inside spacing recess, and spacing recess setting can carry out spacing processing to support piece on two upper and lower inner walls of carriage, can guarantee like this that the arrester carries out steady removal, makes things convenient for the use of equipment.

As a preferred embodiment of the present invention, the mounting protrusion is fixedly mounted on the outer wall of the braking member, so that the driving braking block can be conveniently moved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a driving motor drive belt rotates, and the belt drives pivot and backup pad rotation, and the bearing capacity of backup pad to the connecting plate will disappear like this, and the elasticity of spring can promote the braking piece to the inboard effectively, can realize the braking of braking piece to equipment and handle, because the braking piece passes through the elasticity of spring to press in the pivot of braking, so the braking piece can carry out relative movement, thereby can protect braking equipment; move to the inboard through telescopic link drive connecting block and brake block, under the condition that the stopper braked the countershaft, the self-expression was fast can carry out the secondary braking to the countershaft and is handled like this to can guarantee the braking of equipment and handle, make things convenient for the use of equipment.

Drawings

Fig. 1 is the utility model relates to a coal mine hoist safety brake device's schematic structure diagram.

Fig. 2 is the utility model relates to a coal mine hoist safety brake device front view's schematic structure diagram.

Fig. 3 is the utility model relates to a three-dimensional structure schematic diagram of braking part among coal mine hoist safety braking device.

The device comprises a support frame 1, a threaded pipe 2, a threaded rod 3, a mounting sleeve 4, a braking part 5, a friction pad 6, a limiting bump 7, a limiting groove 8, a braking block 9, a first connecting rod 10, a telescopic rod 11, a limiting rod 12, a spring 13, a second connecting rod 14, a connecting plate 15, a support plate 16, a rotating shaft 17, a mounting frame 18, a belt 19, a driving motor 20, a mounting block 21 and a connecting block 22.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1 ~ 3, in the embodiment of the utility model, a coal mine hoist safety brake device, including carriage 1, both ends are provided with braking part 5 about carriage 1 is inside, and 5 inboard fixed mounting of braking part have a friction pad 6, and the setting of friction pad 6 can increase the frictional force between the pivot of braking part 5 and braking, can make things convenient for the braking of braking part 5 to handle like this, makes things convenient for the use of equipment, both sides are provided with spacing lug 7 about the braking part 5, and spacing lug 7 sets up inside spacing recess 8, and spacing recess 8 sets up on carriage 1's two upper and lower inner walls, and braking part 5 is moving about carrying out the in-process, and spacing lug 7 carries out synchronous motion inside spacing recess 8, can guarantee the steady removal processing of braking part 5 like this, makes things convenient for the use of equipment.

Both ends are provided with brake block 9 about the friction pad 6 is inside, and head rod 10 is installed in the brake block 9 outside, and the head rod 10 outside that is located the braking piece 5 outside is provided with connecting block 22, and connecting block 22 inboard sets up telescopic link 11, and telescopic link 11 sets up on installation lug 21, installation lug 21 fixed mounting is on the outer wall of braking piece 5, moves to the inboard through telescopic link 11 drive connecting block 22 and brake block 9, can realize carrying out secondary braking to the pivot that needs the braking and handle like this, can guarantee the braking of equipment and handle like this, makes things convenient for the use of equipment, both ends are provided with gag lever post 12 about the braking piece 5, are located and are provided with spring 13 on the gag lever post 12 in the braking piece 5 outside, and spring 13's setting can promote braking 5 inboard to realize braking of braking 5 and handle.

A second connecting rod 14 is fixedly installed in the middle of the outer side of the braking member 5, a connecting plate 15 is fixedly installed on the outer side of the second connecting rod 14 located on the outer side of the supporting frame 1, supporting plates 16 are arranged at the upper end and the lower end of the inner side of the connecting plate 15, the supporting plates 16 are connected with an installing frame 18 through rotating shafts 17, the installing frame 18 is fixedly installed on the outer side wall of the supporting frame 1, the rotating shaft 17 located on the rear side of the installing frame 18 is connected with a driving motor 20 through a belt 19, the driving motor 20 is arranged on the outer side wall of the supporting frame 1, the driving motor 20 drives the belt 19 to rotate, the belt 19 drives the rotating shafts 17 and the supporting plates 16 to rotate, so that the bearing capacity of the supporting plates 16 on the connecting plate 15 disappears, the braking member 5 can be effectively pushed to the inner side by the elasticity of the springs 11, so that the braking treatment of the braking member 5 on the equipment can be realized, because the braking member 5 is pressed on the rotating shafts through the elasticity of the springs 13, the braking member 5 can thus be moved relatively, so that the braking device can be protected.

Example two

The difference from the first embodiment is that: the utility model discloses a support frame, including the bracing frame 1, the outside four corners fixed mounting of bracing frame has screwed pipe 2, and 2 inside threaded connection of screwed pipe have threaded rod 3, and installation cover 4 is installed in 3 outsides of threaded rod, through manual rotation threaded rod 3, can adjust the length between threaded rod 3 and the screwed pipe 2 like this to make things convenient for the length adjustment of equipment to handle, the installation of installing cover 4 is handled like this.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those skilled in the art, the specific meaning of the above terms in the present invention can be understood through specific situations, and the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of description and simplification of description, but not for the purpose of indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

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.

Claims

1. A safety braking device of a coal mine hoist comprises a supporting frame (1), braking parts (5) are arranged at the left end and the right end inside the supporting frame (1), friction pads (6) are fixedly arranged on the inner sides of the braking parts (5), limiting rods (12) are arranged at the upper end and the lower end of each braking part (5), springs (13) are arranged on the limiting rods (12) located on the outer sides of the braking parts (5), the safety braking device is characterized in that braking blocks (9) are arranged at the upper end and the lower end inside the friction pads (6), first connecting rods (10) are arranged on the outer sides of the braking blocks (9), connecting blocks (22) are arranged on the outer sides of the first connecting rods (10) located on the outer sides of the braking parts (5), telescopic rods (11) are arranged on the inner sides of the connecting blocks (22), the telescopic rods (11) are arranged on mounting convex blocks (21), and second connecting rods (14) are fixedly arranged in the middle parts of the outer sides of the braking parts (5), second connecting rod (14) outside fixed mounting that is located the carriage (1) outside has connecting plate (15), both ends are provided with backup pad (16) about connecting plate (15) inboard, backup pad (16) are connected with mounting bracket (18) through pivot (17), mounting bracket (18) fixed mounting is on the lateral wall of carriage (1), pivot (17) that are located mounting bracket (18) rear side are connected with driving motor (20) through belt (19), driving motor (20) set up on the lateral wall of carriage (1).

2. The safety brake device of the coal mine hoist as claimed in claim 1, characterized in that threaded pipes (2) are fixedly mounted at four outer corners of the support frame (1), and threaded rods (3) are connected to the inner threads of the threaded pipes (2).

3. The safety brake device for the coal mine hoisting machine as claimed in claim 2, characterized in that the threaded rod (3) is externally provided with a mounting sleeve (4).

4. The safety brake device of the coal mine hoist as claimed in claim 1 or 2, characterized in that the upper and lower sides of the brake member (5) are provided with limit projections (7), the limit projections (7) are arranged inside limit grooves (8), and the limit grooves (8) are arranged on the upper and lower inner walls of the support frame (1).

5. The safety brake device for the coal mine hoist as claimed in claim 1, characterized in that the mounting lug (21) is fixedly mounted on the outer wall of the braking member (5).