Novel electromagnetic brake assembly special for electric hoist walking motor

Abstract

The utility model discloses a novel electromagnetic brake assembly special for a walking motor of an electric hoist, and relates to the technical field of hoisting equipment. The brake device comprises a fixing body and further comprises a brake disc A arranged at the front end of the fixing body, a brake disc B is arranged between the brake disc A and the fixing body, and a friction plate is arranged between the brake disc B at the front end of the fixing body. By arranging the fixing body, the electromagnetic coil, the brake disc A, the adjusting flange, the fixing bolts, the brake disc B, the friction plate and the inside hexagonal bolt, the brake disc A, the brake disc B and the friction plate are installed on the fixing body through the fixing bolts, and the adjusting flange is installed at the front end of the brake disc A through the inside hexagonal bolt. The main body, the electromagnetic coil and the braking mechanism are integrally assembled and fixed, so that the structure is simplified, parts are conveniently replaced, the simplified structure is more suitable for various working environments, the manufacturing cost is effectively reduced, the braking strength is remarkably improved, and noise pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to crane equipment technical field, especially, a kind of new electric hoist walking motor special electromagnetic brake assembly. BACKGROUND

[0002] ‌Electric hoist is a kind of widely used in industrial and mining enterprises, warehouse, wharf and other places, mainly for lifting, moving, handling heavy small hoisting equipment, it has the characteristics of small size, light weight, simple operation, convenient to use etc. Walking motor special electromagnetic brake assembly is used to control the mechanical device of walking motor movement, main function is to provide braking effect when electric hoist walking motor needs to stop or decelerate.

[0003] However, the existing walking motor electromagnetic brake assembly in the process of application relies on the axial magnetic pull generated by conical rotor when energized to overcome spring thrust, so that brake ring is separated from brake end cover to realize rotation;When power off, spring thrust makes brake ring close to brake end cover to implement brake, such design exists brake force deficiency, noise is remarkable, durability is limited etc. Problem, not only reduces work efficiency, but also increases maintenance cost, and potentially improves safety risk. CONTENT OF UTILITY MODEL

[0004] In view of the above-mentioned shortcomings of prior art, the utility model provides a new electric hoist walking motor special electromagnetic brake assembly, which can effectively solve the problems of prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a new electric hoist walking motor special electromagnetic brake assembly, including fixed main body, further including: the front end of fixed main body is provided with brake disc A, brake disc A and fixed main body are provided with brake disc B, brake disc B between the front end of fixed main body is provided with friction piece, the front end in the inside of fixed main body is provided with electromagnetic coil, the outside of brake disc B is provided with assembly clamping groove, the inside of assembly clamping groove is provided with bushing, the front end of brake disc A is provided with adjusting flange, the both ends of adjusting flange inside are inserted with internal hexagon bolt, the edge in the inside of brake disc A is inserted with fixed bolt.

[0007] Further, the middle position in the inside of friction piece is hexagonal, the inside of friction piece is provided with shaft sleeve.

[0008] Further, brake disc A, brake disc B and adjusting flange are annular, the surface of brake disc A and brake disc B is phosphating treatment, the diameter of friction piece is less than the diameter of brake disc A and brake disc B.

[0009] Further, the hexagonal bolts are symmetrically arranged at the front end of the adjusting flange, and the rear end of the adjusting flange is inserted into the inner side of the brake disc A.

[0010] Further, the assembly clamping grooves are arranged at equal intervals on the outer side of the brake disc B, and one end of the outer part of the pad sleeve is provided with an O-shaped ring.

[0011] Further, the front end of the fixing bolt is provided with a flat pad, and the rear end of the fixing bolt penetrates the pad sleeve and is inserted into the corresponding screw hole at the front end of the fixing body.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a fixing body, an electromagnetic coil, a brake disc A, an adjusting flange, a fixing bolt, a brake disc B, a friction plate and a hexagonal bolt are arranged, the brake disc A, the brake disc B and the friction plate are installed on the fixing body by the fixing bolt, and the adjusting flange is installed at the front end of the brake disc A by the hexagonal bolt, so that the fixing body, the electromagnetic coil and the brake mechanism are integratedly assembled, the structure is simplified, and the parts are conveniently replaced, the simplified structure is more suitable for various operation environments, the manufacturing cost is effectively reduced, the brake strength can be remarkably improved, and noise pollution can be greatly reduced.

[0014] The utility model discloses a fixing body, an electromagnetic coil, a brake disc A, an adjusting flange, a fixing bolt, a brake disc B, a friction plate and a hexagonal bolt are arranged, the brake disc A, the brake disc B and the friction plate are installed on the fixing body by the fixing bolt, and the adjusting flange is installed at the front end of the brake disc A by the hexagonal bolt, so that the fixing body, the electromagnetic coil and the brake mechanism are integratedly assembled, the structure is simplified, and the parts are conveniently replaced, the simplified structure is more suitable for various operation environments, the manufacturing cost is effectively reduced, the brake strength can be remarkably improved, and noise pollution can be greatly reduced. ACCURATE DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the front view structure schematic diagram of the utility model;

[0017] Figure 2 It is the side view section structure schematic diagram of the utility model;

[0018] Figure 3 It is the explosion drawing of the utility model;

[0019] Figure 4 It is the rear view structure schematic diagram of the utility model.

[0020] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0021] 1, fixed body; 2, brake disc A; 3, adjusting flange; 4, shaft sleeve; 5, fixing bolt; 6, electromagnetic coil; 7, O-ring; 8, brake disc B; 9, pad sleeve; 10, friction plate; 11, flat pad; 12, inner hexagonal bolt; 13, assembly clamping groove. DETAILED DESCRIPTION

[0022] 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.

[0023] Please refer to Figures 1-4As shown, the utility model is a kind of novel electromagnetic brake assembly special for electric hoist walking motor, including fixed main body 1, still include: the front end of fixed main body 1 is provided with annular brake disc A2, brake disc A2 and fixed main body 1 between being provided with annular brake disc B8, brake disc A2 and brake disc B8 surface phosphating treatment, to enhance the corrosion resistance of both, and the brake disc B8 between the front end of fixed main body 1 is provided with friction plate 10, and special wear-resistant material is pressed to manufacture friction plate 10, to improve the durability of brake disc A2 and brake disc B8 and friction plate 10, the diameter of friction plate 10 is less than the diameter of brake disc A2 and brake disc B8, the middle position of the inside of friction plate 10 is hexagonal, the inside of friction plate 10 is provided with shaft sleeve 4, the front end of the inside of fixed main body 1 is provided with electromagnetic coil 6, the outside of brake disc B8 is provided with "U" shaped assembly clamping groove 13, assembly clamping groove 13 is equidistantly arranged on the outside of brake disc B8, and the inside between assembly clamping groove 13 is provided with pad sleeve 9, one end outside pad sleeve 9 is provided with O ring 7, the front end of brake disc A2 is provided with annular adjusting flange 3, and adjusting flange 3 is powder metallurgy product, to ensure that electromagnetic brake assembly structural strength and wear resistance, so that electromagnetic brake assembly is more durable, the rear end of adjusting flange 3 is inserted into the inside of brake disc A2, and the two ends in the inside of adjusting flange 3 are inserted with internal hexagon bolt 12, and internal hexagon bolt 12 is symmetrically arranged at the front end of adjusting flange 3, adjusting flange 3 is installed at the front end of brake disc A2 by internal hexagon bolt 12, fixed bolt 5 is inserted at the edge in the inside of brake disc A2, the front end outside fixed bolt 5 is provided with flat pad 11, the rear end of fixed bolt 5 penetrates pad sleeve 9 and is inserted into the corresponding screw hole in the front end of fixed main body 1, brake disc A2, brake disc B8 and friction plate 10 are installed on fixed main body 1 by fixed bolt 5, to integrate fixed main body 1, electromagnetic coil 6 and brake mechanism, reduce the brake failure probability when electric hoist walking motor works, realize the simplification of structure and the convenient replacement of parts, and the simplified structure is more suitable for a variety of operating environments, the brake failure probability when electric hoist walking motor works is low, effectively reduces manufacturing cost, simultaneously can significantly improve brake strength, greatly reduces noise pollution.

[0024] Brake disc A2, brake disc B8 and friction plate 10 are installed on fixed main body 1 by fixed bolt 5, and adjusting flange 3 is installed at the front end of brake disc A2 by internal hexagon bolt 12, to integrate fixed main body 1, electromagnetic coil 6 and brake mechanism, the simplification of structure increases brake assembly structural strength and the convenient replacement of parts;

[0025] Working principle: when using the electromagnetic brake assembly, the brake disc A2, brake disc B8 and friction plate 10 are installed on the fixed main body 1 by the fixing bolt 5, and the adjusting flange 3 is installed at the front end of the brake disc A2 through the internal hexagonal bolt 12, so that the fixed main body 1, the electromagnetic coil 6 and the brake mechanism are integrated and assembled, when the motor is powered, the electromagnetic coil 6 generates suction force, so that the brake disc A2 and the brake disc B8 with surface phosphating treatment are separated, and the motor can rotate freely; when the motor is powered off, the electromagnetic coil 6 loses current, the brake pad is quickly pressed against the friction plate 10 made of special wear-resistant material under the action of the spring to generate friction force, so that the braking effect is realized, the braking strength is high, and the noise generated is small.

[0026] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, and the modification, equivalent replacement, improvement all belong to the protection scope of the utility model.

Claims

1. A new type of electromagnetic brake assembly special for electric motor of electric hoist, comprising a fixed main body (1), characterized in that, Also include: The front end of the fixed body (1) is provided with brake disc A (2), brake disc A (2) and fixed body (1) between the brake disc B (8) is provided, the brake disc B (8) between the front end of the fixed body (1) is provided with friction plate (10), the front end of the fixed body (1) inside is provided with electromagnetic coil (6), the outside of brake disc B (8) is provided with assembly clamping groove (13), the inner side of assembly clamping groove (13) is provided with bushing (9), the front end of brake disc A (2) is provided with adjusting flange (3), the both ends of adjusting flange (3) inside are inserted with internal hexagonal bolt (12), the edge of brake disc A (2) inside is inserted with fixed bolt (5).

2. A new electromagnetic brake assembly for electric motor of electric hoist according to claim 1, characterized in that, The middle position of the friction plate (10) inside is hexagonal, the inside of the friction plate (10) is provided with shaft sleeve (4).

3. A new electromagnetic brake assembly for electric motor of electric hoist according to claim 1, characterized in that, The brake disc A (2), brake disc B (8) and adjusting flange (3) are annular, the surface of brake disc A (2) and brake disc B (8) is phosphating treatment, the diameter of friction plate (10) is less than the diameter of brake disc A (2) and brake disc B (8).

4. A new electromagnetic brake assembly for electric motor of electric hoist according to claim 1, characterized in that, The internal hexagonal bolt (12) is symmetrically arranged at the front end of the adjusting flange (3), and the rear end of the adjusting flange (3) is inserted into the inner side of the brake disc A (2).

5. A new electromagnetic brake assembly for electric motor of electric hoist according to claim 1, characterized in that, The assembly clamping groove (13) is "U" shaped, the assembly clamping groove (13) is arranged at equal intervals on the outside of brake disc B (8), and one end of the bushing (9) outside is provided with O ring (7).

6. A new electromagnetic brake assembly for electric motor of electric hoist according to claim 1, characterized in that, The front end of the fixed bolt (5) outside is provided with flat pad (11), the rear end of the fixed bolt (5) penetrates the bushing (9) and is inserted into the corresponding screw hole in the front end of the fixed body (1).

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