Emergency braking safety lock of winch

Abstract

The utility model discloses an emergency braking safety lock for a winch, which relates to the technical field of winches and comprises a mounting seat, two fixing plates are symmetrically mounted on the bottom surface of the mounting seat, a motor is fixedly mounted on one side of one fixing plate, a rotating shaft is fixedly mounted at the output end of the motor, and the rotating shaft is fixedly mounted on the other side of the fixing plate. A brake shaft is fixedly installed at the end, away from the motor, of the rotating shaft, a brake assembly is installed at the position, located above the brake wheel, of one side of one fixing plate, and after an object is hoisted, an electric lifting rod of the brake assembly works and controls the lifting frame to drive the brake disc to descend; the brake device has the advantages that the problems that objects shake easily due to direct braking and sudden stop by the aid of the brake device, connection portions of the steel wire ropes are broken easily, the objects fall off and are damaged, and the service life of the steel wire ropes is prolonged are solved, and the service life of the steel wire ropes is prolonged. Or on-site workers are hurt.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technical field, concretely is a hoist emergency brake safety lock. BACKGROUND

[0002] The hoist is a kind of hoist driven by external force (for example motor), with simple structure, flexible use, and the characteristics of not prone to failure, it is also the basic equipment of crane, on construction site, hoist is commonly used to lift building materials, such as reinforcement, formwork, scaffold etc., and carry out vertical transportation and horizontal drag heavy object, in water conservancy construction, hoist is used to lift and move large equipment and materials, such as water pump, pipeline etc.

[0003] When hoist is used, most adopt brake device to cooperate with wire rope to be received and released, however, most of existing hoist is directly braked, when lifting heavy object, directly braked by brake device and stopped quickly, object shaking phenomenon is prone to occur, and wire rope connecting part is prone to break, object falls, further cause object damage, or cause on-site staff to be injured. UTILITY MODEL CONTENT

[0004] To solve the problem that most of existing hoist is directly braked, object shaking phenomenon is prone to occur, or wire rope connecting part is prone to break, further cause object damage, or cause on-site staff to be injured, the utility model aims at providing a hoist emergency brake safety lock.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme: a hoist emergency brake safety lock, including mounting seat, the bottom surface of mounting seat is symmetrically installed with fixed plate, the number of fixed plate is two, one side of one fixed plate is fixedly installed with motor, the output end of motor is fixedly installed with rotating shaft, the one end away from motor of rotating shaft is fixedly installed with brake shaft, the one end away from rotating shaft of brake shaft is fixedly installed with brake wheel and is fixedly installed with brake groove on the surface of brake wheel;

[0006] One side of one fixed plate and being installed brake assembly above brake wheel, brake assembly includes fixed seat, one side of fixed seat is fixedly connected with fixed plate, the bottom surface of fixed seat is fixedly installed with electric lifting rod, the output end of electric lifting rod is fixedly installed with lifting frame, the bottom surface of lifting frame is fixedly installed with brake disc, brake disc and brake wheel are mutually matched.

[0007] Preferably, one side of the fixing plate is detachably provided with a protective cover, the protective cover is matched with the brake assembly, both sides of the protective cover are symmetrically provided with positioning pieces, the positioning pieces are internally threadedly clamped with positioning buckles, and the positioning buckles pass through the positioning pieces and are threadedly clamped in the fixing plate.

[0008] Preferably, the bottom surface of the brake disc is fixedly provided with a friction plate, and the friction plate is matched with the brake groove.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、 the utility model discloses, when the object hoisting is completed, the motor stops working, and the electric lifting rod of brake assembly works when the motor stops working, and the friction plate installed on the bottom surface of the brake disc is matched with the brake groove of the brake wheel through the electric lifting rod control lifting frame and drives the brake disc to descend, the friction plate installed on the bottom surface of the brake disc is matched with the brake groove of the brake wheel, the brake of the steel wire rope hoisting object is completed, the phenomenon that the object shakes easily appears when directly braking and stopping by the brake device is solved, and the connection part of the steel wire rope is easily broken, the object falls off, and further cause the object damage or the problem that the on-site staff is injured is caused;

[0011] 2、 the utility model discloses, the installation and fixation of the protective cover on one side of the fixing plate are completed under the cooperation of the positioning piece and the corresponding positioning buckle installed on both sides of the protective cover, the brake assembly and the brake wheel are protected through the protective cover, and the brake assembly and the brake wheel are prevented from being damaged. ACCURATE DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art 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 without creative labor under the premise of these drawings.

[0013] Figure 1 It is the overall structure schematic diagram of the utility model,

[0014] Figure 2 It is the bottom surface structure schematic diagram of the utility model mounting seat,

[0015] Figure 3 It is the utility model Figure 2 It is the structure enlarged view of A in the utility model,

[0016] Figure 4 It is the structure schematic diagram of the utility model rotating shaft cooperation brake assembly and protective cover.

[0017] In the diagram: 1. Mounting base; 11. Fixing plate; 12. Fixing component; 2. Motor; 21. Shaft; 211. Bearing; 22. Unwinding reel; 23. Wire rope; 3. Brake shaft; 31. Brake wheel; 311. Brake groove; 4. Brake assembly; 41. Fixing base; 42. Electric lifting rod; 43. Lifting frame; 44. Brake disc; 45. Friction pad; 5. Protective cover; 51. Positioning component; 52. Positioning buckle. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figures 1-4 As shown, this utility model provides an emergency braking safety lock for a winch, including a mounting base 1. Two fixing plates 11 are symmetrically mounted on the bottom of the mounting base 1. A motor 2 is fixedly mounted on one side of one fixing plate 11. A rotating shaft 21 is fixedly mounted on the output end of the motor 2. A brake shaft 3 is fixedly mounted on the end of the rotating shaft 21 away from the motor 2. A brake wheel 31 is fixedly mounted on the end of the brake shaft 3 away from the rotating shaft 21, passing through the fixing plate 11. A brake groove 311 is formed on the surface of the brake wheel 31. A braking assembly 4 is mounted on one side of one fixing plate 11 and above the brake wheel 31. The braking assembly 4 includes a fixing base 41. One side of the fixing base 41 is fixedly connected to the fixing plate 11. An electric lifting rod 42 is fixedly mounted on the bottom surface of the fixing base 41. A lifting frame 43 is fixedly mounted on the output end of the electric lifting rod 42. A brake disc 44 is fixedly mounted on the bottom surface of the lifting frame 43. The brake disc 44 cooperates with the brake wheel 31.

[0020] The installation and fixation of the two fixed plates 11 are completed through the mounting seat 1, the rotation of the rotating shaft 21 is controlled by the motor 2, the winding and unwinding of the steel wire rope 23 in the unwinding reel 22 is controlled by the rotating shaft 21, the hoisting work of the hoisted object is completed, when the rotating shaft 21 rotates, the brake shaft 3 and the brake wheel 31 are driven to rotate, when the hoisting of the object is completed, the motor 2 stops working, at the same time when the motor 2 stops working, the electric lifting rod 42 of the brake assembly 4 works, the lifting frame 43 is controlled by the electric lifting rod 42 to drive the brake disc 44 to descend, so that the friction plate 45 installed on the bottom surface of the brake disc 44 is attached to the brake groove 311 of the brake wheel 31, the brake of the steel wire rope 23 hoisting the object is completed, (the electric lifting rod 42 of the brake assembly 4 and the motor 2 are controlled by the controller, when the motor 2 stops working, the controller controls the electric lifting rod 42 to work, after the work is completed, the electric lifting rod 42 is controlled to return to the initial state and wait for the next work).

[0021] One side of a fixed plate 11 is detachably installed with a protective cover 5, the protective cover 5 cooperates with the brake assembly 4, the two sides of the protective cover 5 are symmetrically installed with positioning pieces 51, the positioning pieces 51 are threadedly clamped with positioning buckles 52, the positioning buckles 52 penetrate the positioning pieces 51 and are threadedly clamped in the fixed plate 11, under the cooperation of the positioning pieces 51 and the corresponding positioning buckles 52 respectively installed on the two sides of the protective cover 5, the installation and fixation of the protective cover 5 on one side of the fixed plate 11 is completed, the brake assembly 4 and the brake wheel 31 are protected by the protective cover 5 to prevent the brake assembly 4 and the brake wheel 31 from being damaged.

[0022] The bottom surface of the brake disc 44 is fixedly installed with the friction plate 45, the friction plate 45 cooperates with the brake groove 311, the friction plate 45 is installed on the bottom surface of the brake disc 44 to assist the brake disc 44 to brake the brake wheel 31, the brake effect of the brake wheel 31 is improved while the brake disc 44 is protected, the friction plate 45 is fixed on the bottom surface of the brake disc 44 by gluing, and the friction plate 45 can be replaced by removing the protective cover 5.

[0023] The surface of the rotating shaft 21 is fixedly sleeved with the unwinding reel 22, the unwinding reel 22 is provided with a steel wire rope 23 distributed in a snake shape, one end of the steel wire rope 23 is fixedly connected with the unwinding reel 22, the winding and unwinding of the steel wire rope 23 is controlled by rotating the unwinding reel 22, the surface of the rotating shaft 21 is sleeved with bearings 211 at both ends, the number of the bearings 211 is two, the two bearings 211 are fixedly installed on one side of the two fixed plates 11 respectively, the installation and positioning of the rotating shaft 21 between the two fixed plates 11 is completed through the two bearings 211, and the rotating of the rotating shaft 21 is assisted, the two sides of the mounting seat 1 are symmetrically installed with fixed pieces 12, the number of the fixed pieces 12 is four, the device is installed and fixed at a specified position through the cooperation of the four fixed pieces 12 and corresponding bolts, and the object is hoisted.

[0024] Working principle: the rotation of the rotating shaft 21 is controlled by the motor 2, the steel wire rope 23 in the unwinding disc 22 is controlled to be wound or unwound, the hoisting work of the hoisted object is completed, when the rotating shaft 21 rotates, the brake shaft 3 and the brake wheel 31 are driven to rotate, when the hoisting of the object is completed, the motor 2 stops working, at the same time when the motor 2 stops working, the electric lifting rod 42 of the brake assembly 4 works, the lifting frame 43 is controlled to drive the brake disc 44 to descend through the electric lifting rod 42, the friction plate 45 installed at the bottom surface of the brake disc 44 is attached to the brake groove 311 of the brake wheel 31, the brake of the steel wire rope 23 hoisting the object is completed;

[0025] The installation and fixation of the protective cover 5 on one side of the fixed plate 11 are completed under the cooperation of the positioning piece 51 and the corresponding positioning buckle 52 installed on both sides of the protective cover 5, the brake assembly 4 and the brake wheel 31 are protected through the protective cover 5, and the brake assembly 4 and the brake wheel 31 are prevented from being damaged.

[0026] Obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and changes of the utility model belong to the scope of the utility model claims and the equivalent technology, the utility model also intends to include these modifications and changes.

Claims

1. A safety lock for emergency braking of a hoisting machine, comprising a mounting seat (1), characterized in that: The bottom surface of the mounting seat (1) is symmetrically provided with two fixing plates (11), one side of one of the fixing plates (11) is fixedly provided with a motor (2), the output end of the motor (2) is fixedly provided with a rotating shaft (21), one end of the rotating shaft (21) away from the motor (2) is fixedly provided with a brake shaft (3), one end of the brake shaft (3) away from the rotating shaft (21) penetrates through the fixing plate (11) and is fixedly provided with a brake wheel (31), and the surface of the brake wheel (31) is provided with a brake groove (311). One side of one of the fixing plates (11) and above the brake wheel (31) is provided with a brake assembly (4), the brake assembly (4) comprises a fixing seat (41), one side of the fixing seat (41) is fixedly connected with the fixing plate (11), the bottom surface of the fixing seat (41) is fixedly provided with an electric lifting rod (42), the output end of the electric lifting rod (42) is fixedly provided with a lifting frame (43), the bottom surface of the lifting frame (43) is fixedly provided with a brake disc (44), and the brake disc (44) is matched with the brake wheel (31).

2. A safety lock for emergency braking of a hoisting machine according to claim 1, characterized in that One side of one of the fixing plates (11) is detachably provided with a protective cover (5), the protective cover (5) is matched with the brake assembly (4), both sides of the protective cover (5) are symmetrically provided with a positioning piece (51), the positioning piece (51) is internally threadedly provided with a positioning buckle (52), the positioning buckle (52) penetrates through the positioning piece (51) and is threadedly provided in the fixing plate (11).

3. A safety lock for emergency braking of a hoisting machine according to claim 1, characterized in that The bottom surface of the brake disc (44) is fixedly provided with a friction plate (45), and the friction plate (45) is matched with the brake groove (311).

4. A safety lock for emergency braking of a hoisting machine according to claim 1, characterized in that The surface of the rotating shaft (21) is fixedly provided with a pay-off reel (22), and the pay-off reel (22) is internally provided with a steel wire rope (23) arranged in a snakelike manner.

5. A safety lock for emergency braking of a hoisting machine according to claim 1, characterized in that Both ends of the surface of the rotating shaft (21) are provided with bearings (211), the number of the bearings (211) is two, and the two bearings (211) are respectively fixedly installed on one side of the two fixing plates (11).

6. A safety lock for emergency braking of a hoisting machine according to claim 1, characterized in that Both sides of the mounting seat (1) are symmetrically provided with fixing pieces (12), and the number of the fixing pieces (12) is four.

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