Emergency electric braking device of coal mine transportation equipment

Abstract

The utility model discloses an emergency electric braking device of coal mine transportation equipment, which relates to the technical field of mine car braking, and comprises a vehicle bottom plate, a first box body is arranged on the vehicle bottom plate, a braking auxiliary component is arranged in the first box body, a second box body is arranged in the first box body, and the braking auxiliary component is connected with the second box body through a starting motor. A second rod body is driven to rotate through rotation of a motor, so that rotary linkage of a pair of gears and a pair of racks can be achieved, downward movement of a pair of third rod bodies is achieved, and in the downward movement process of the third rod bodies, a pair of brake bottom plates can achieve rapid downward movement through limiting assistance of two pairs of T-shaped sleeves and two pairs of first rod bodies; the brake bottom plate and the limiting block are in contact with the ground, the brake effect of the vehicle bottom plate is achieved, due to the fact that the structure is simple, the brake bottom plate can move downwards rapidly only through electric control driving of the motor, and rapid brake in the mine car transportation process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine car braking, in particular to an emergency electric brake device of coal mine transport equipment. BACKGROUND

[0002] Mine car braking refers to the process of stopping the mine car through the brake device during the operation of the mine car. The main braking methods of the mine car are friction braking and electromagnetic braking. Friction braking stops the mine car through friction, while electromagnetic braking realizes braking through electromagnetic force.

[0003] The existing mine car braking is mostly for brake processing of the position of the mine car wheel. In order to brake quickly in emergency and reduce the occurrence of accidents, a device is designed which is arranged at the middle position of the chassis of the mine car and directly contacts with the ground for braking, so as to quickly assist braking when the ordinary brake efficiency is not high, thereby the use of the emergency electric brake device of the coal mine transport equipment is needed. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an emergency electric brake device of coal mine transport equipment, which solves the technical problems in the background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: an emergency electric brake device of coal mine transport equipment, comprising a vehicle bottom plate, a first box body is installed on the vehicle bottom plate, a brake auxiliary assembly is installed in the first box body, a second box body is installed in the first box body, a pair of limiting downward movement assemblies are installed in the second box body.

[0006] The limiting downward movement assembly comprises a T-shaped cylinder, a pair of limiting sleeves are installed in the T-shaped cylinder, a third rod body is movably inserted in each of the pair of limiting sleeves, a rack is inserted on the side wall surface of each of the pair of third rod bodies, and a first rectangular through hole is formed in one end of each of the pair of T-shaped cylinders.

[0007] Preferably, a pair of first plates are installed in the second box body, a second rod body is movably inserted in each of the pair of first plates, a pair of gears are installed on the second rod body, the pair of gears are engaged with the pair of racks respectively, one end of each of the pair of third rod bodies is movably inserted in the vehicle bottom plate and the lower wall surface of the second box body, and a brake bottom plate is installed on the lower wall surface of each of the pair of third rod bodies.

[0008] Preferably, a pair of limiting blocks are respectively installed on the lower wall surfaces of the pair of brake bottom plates, and the pair of brake bottom plates are connected with the brake auxiliary assembly respectively.

[0009] Preferably, the brake auxiliary assembly comprises T-shaped sleeves, two pairs of the T-shaped sleeves are inserted on the lower wall of the vehicle floor, and first rods are movably inserted in the two pairs of T-shaped sleeves.

[0010] Preferably, a motor is installed in the second box, and a driving end of the motor is installed on one end of the second rod.

[0011] Advantages

[0012] The utility model provides a kind of emergency electric brake device of coal mine transport equipment, the utility model when braking mine car, at this time by starting motor, the rotation of motor drives second rod rotation, to realize the rotation linkage of a pair of gear and a pair of rack, to realize the downward movement of a pair of third rods, in the process of third rod downward movement, a pair of brake floor will be limited by two pairs of T-shaped sleeves and two pairs of first rods Auxiliary, realize the rapid downward movement of brake floor, to realize that brake floor and limit block contact with ground, to realize the brake effect of vehicle floor, since simple structure, only by the electric control driving of motor can realize the rapid downward movement of brake floor, to realize the rapid braking when mine car transport. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the vehicle floor structure schematic view of the utility model described a kind of emergency electric brake device of coal mine transport equipment.

[0014] Fig. 2 It is the second box internal structure schematic view of the utility model described a kind of emergency electric brake device of coal mine transport equipment.

[0015] In the figure: 1, vehicle floor;2, first box;3, T-shaped sleeve;4, first rod;5, brake floor;6, second box;7, first plate;8, second rod;9, T-shaped cylinder;10, gear;11, motor;12, limit sleeve;13, third rod;14, rack;15, limit block. DETAILED DESCRIPTION

[0016] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1-2The utility model provides a technical scheme: a kind of emergency electric brake device of coal mine transport equipment, including vehicle bottom plate 1, first box body 2 is installed on the vehicle bottom plate 1, brake auxiliary assembly is installed in the first box body 2, second box body 6 is installed in the first box body 2, a pair of limit downward components are installed in the second box body 6;

[0018] The limit downward component includes a T-shaped cylinder 9, a pair of limit sleeves 12 are installed inside the T-shaped cylinder 9, a pair of third rod bodies 13 are movably inserted into the limit sleeves 12, a pair of racks 14 are inserted into the side walls of the third rod bodies 13, and a first rectangular hole is formed in one end of a pair of T-shaped cylinders 9.

[0019] When the mine car is braked, the motor 11 is started at this time, the rotation of the motor 11 drives the second rod body 8 to rotate, so that the rotation linkage of a pair of gears 10 and a pair of racks 14 can be realized, so that the downward movement of a pair of third rod bodies 13 can be realized, and in the process of downward movement of the third rod body 13, a pair of brake bottom plates 5 can be realized by the limiting assistance of two pairs of T-shaped sleeves 3 and two pairs of first rod bodies 4, the rapid downward movement of the brake bottom plate 5 is realized, so that the brake bottom plate 5 and the limiting block 15 are in contact with the ground, so as to realize the brake effect of the vehicle bottom plate 1. Since the structure is simple, the rapid downward movement of the brake bottom plate 5 can be realized by the electric control driving of the motor 11, so as to realize the rapid braking of the mine car during transportation.

[0020] The second box body 6 is further provided with a pair of first plates 7, a second rod body 8 is movably inserted into the first plates 7, a pair of gears 10 are installed on the second rod body 8, a pair of racks 14 are engaged with the gears 10, one end of a pair of third rod bodies 13 is movably inserted into the lower wall of the vehicle bottom plate 1 and the second box body 6, and a brake bottom plate 5 is installed on the lower wall of the third rod body 13.

[0021] The first plates 7 are further provided with a pair of limiting blocks 15, and the brake bottom plate 5 is connected with the brake auxiliary assembly.

[0022] The brake auxiliary assembly includes a T-shaped sleeve 3, the T-shaped sleeve 3 is movably inserted into the lower wall of the vehicle bottom plate 1, a first rod body 4 is movably inserted into the T-shaped sleeve 3, and the first rod body 4 is installed on the upper wall of the brake bottom plate 5.

[0023] The second box body 6 is further provided with a motor 11, and the driving end of the motor 11 is installed on one end of the side wall of the second rod body 8.

[0024] Its detailed connection means, for the art is well known technology, the following mainly introduces the working principle and process, the specific work as follows.

[0025] In the embodiment, when the mine car is braked, the motor 11 is started, the rotation of the motor 11 drives the second rod body 8 to rotate, so that the rotation linkage of the pair of gears 10 and the pair of racks 14 is realized, so that the pair of third rod bodies 13 is lowered, in the process of the third rod body 13 being lowered, the pair of brake bottom plates 5 is limited and assisted by the two pairs of T-shaped sleeves 3 and the two pairs of first rod bodies 4, the rapid lowering of the brake bottom plate 5 is realized, so that the brake bottom plate 5 and the limiting block 15 are in contact with the ground, so as to realize the brake effect of the vehicle bottom plate 1. Since the structure is simple, the rapid lowering of the brake bottom plate 5 can be realized by the electric control driving of the motor 11, so as to realize the rapid braking of the mine car during transportation.

[0026] It should be noted that, in this text, relational terms such as first and second and the like can merely be used to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between or among the entities or actions.

Claims

1. An emergency electric braking device for coal mine transport equipment, comprising a vehicle floor (1), characterized in that, The vehicle bottom plate (1) is provided with a first box body (2), a brake auxiliary assembly is installed in the first box body (2), a second box body (6) is installed in the first box body (2), and a pair of limiting downward movement assemblies are installed in the second box body (6); The limiting downward movement assembly comprises a T-shaped cylinder (9), a pair of limiting sleeves (12) are installed in the T-shaped cylinder (9), a third rod body (13) is movably inserted into each of the limiting sleeves (12), a rack (14) is inserted into the side wall of each of the third rod bodies (13), and a first rectangular through hole is formed in one end of each of the T-shaped cylinders (9).

2. An emergency electric brake device for a coal mine haulage equipment according to claim 1, characterized in that, The second box body (6) is provided with a pair of first plate bodies (7), a second rod body (8) is movably inserted into each of the first plate bodies (7), a pair of gears (10) are installed on the second rod body (8), the pair of gears (10) are engaged with the pair of racks (14) respectively, one end of each of the third rod bodies (13) is movably inserted into the lower wall of the vehicle bottom plate (1) and the second box body (6), and a brake bottom plate (5) is installed on the lower wall of each of the third rod bodies (13).

3. An emergency electric brake device for a coal mine haulage equipment according to claim 2, characterized in that, A pair of limiting blocks (15) are installed on the lower wall of each of the brake bottom plates (5), and the pair of brake bottom plates (5) are connected with the brake auxiliary assembly.

4. A coal mine haulage equipment emergency electric brake device according to claim 3, characterized in that, The brake auxiliary assembly comprises a T-shaped sleeve (3), two pairs of T-shaped sleeves (3) are inserted into the lower wall of the vehicle bottom plate (1), a first rod body (4) is movably inserted into each of the T-shaped sleeves (3), and the two pairs of first rod bodies (4) are installed on the upper wall of the pair of brake bottom plates (5).

5. The emergency electric brake device for coal mine transportation equipment according to claim 2, characterized in that, A motor (11) is installed in the second box body (6), and the driving end of the motor (11) is installed on one side wall of the second rod body (8).

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