CN212924229U

CN212924229U - Brake of hoist

Info

Publication number: CN212924229U
Application number: CN202021358592.1U
Authority: CN
Inventors: 高进宝; 谭富元
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-09
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a brake of a winch, which comprises an installation shell, wherein a first installation frame is arranged in the installation shell, a shaft hole is arranged on the first installation frame, a rotating shaft is arranged in the shaft hole, a brake disc is arranged at the front end of the rotating shaft, a brake gear is fixedly arranged on the rear end surface of the brake disc, the axis of the brake gear is coincided with the axis of the rotating shaft, a brake assembly is arranged in the installation shell, the brake assembly comprises a plurality of arc-shaped racks which are uniformly distributed along the axis of the brake gear, the arc-shaped racks are mutually meshed with the brake gear, a second installation frame is arranged in the installation shell, a first rotating shaft is arranged at one end of each arc-shaped rack, a through hole is arranged at the position of the second installation frame corresponding to the first rotating shaft, the first rotating shaft is inserted in the through hole, and a driving assembly and a transmission assembly are respectively arranged, the driving assembly and the transmission assembly are connected for transmission, and the transmission assembly is connected with the first rotating shaft for transmission respectively.

Description

Brake of hoist

Technical Field

The utility model relates to a stopper of hoist engine.

Background

The hoisting machine is a light and small hoisting device, also called a winch, for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, and can hoist the heavy objects vertically, horizontally or obliquely. The winches are divided into a manual winch and an electric winch, and the electric winch is mainly used at present. The winch can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, is widely applied due to simple operation, large rope winding amount and convenient displacement, is mainly applied to material lifting or flat dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like, and needs to be braked by a braking device in order to timely turn off the winch in the use process of the winch and avoid continuous rotation caused by inertia;

but current arresting gear only adopts the friction disc to carry out friction braking, and long-time wearing and tearing that lead to the friction disc easily with influence the life of device, and friction braking effect is relatively poor, needs longer buffer distance, consequently the utility model provides a problem that exists in order to solve prior art of the stopper of hoist engine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stopper of hoist engine.

The brake of the winch comprises an installation shell, wherein a first installation frame is arranged in the installation shell, a shaft hole is formed in the first installation frame, a rotating shaft is installed in the shaft hole, a brake disc is arranged at the front end of the rotating shaft, a brake gear is fixedly arranged on the rear end surface of the brake disc, the axis of the brake gear is superposed with the axis of the rotating shaft, a brake assembly is arranged in the installation shell and comprises a plurality of arc-shaped racks which are uniformly distributed along the axis of the brake gear, the arc-shaped racks are mutually meshed with the brake gear, a second installation frame is arranged in the installation shell, a first rotating shaft is arranged at one end of each arc-shaped rack, a through hole is formed in the position, corresponding to the first rotating shaft, of the second installation frame, the first rotating shaft is inserted into the through hole, and a driving assembly and a transmission assembly are respectively arranged in the installation shell, the driving assembly and the transmission assembly are connected for transmission, and the transmission assembly is connected with the first rotating shaft for transmission respectively.

Furthermore, transmission assembly is including setting up the first gear on first pivot installation shell inner wall installs the bearing ring gear is installed to the inner circle of bearing, ring gear and first gear intermeshing the equipartition has a plurality of second gears in the ring gear, second gear and ring gear meshing be equipped with the second pivot on the second gear the position that first mounting bracket corresponds the second pivot is equipped with the second shaft hole, the second pivot is pegged graft in the shaft hole, drive assembly and second pivot are connected the transmission.

Furthermore, the driving assembly comprises a motor installed at the rear part of the installation shell, a first bevel gear is installed on a motor shaft of the motor, a second bevel gear is installed on the second rotating shaft, and the first bevel gear is in meshing transmission with the second bevel gears respectively.

Furthermore, a plurality of mounting lug seats are arranged at the rear part of the mounting shell, and the motor is mounted on the mounting lug seats.

Furthermore, a plurality of heat dissipation holes are formed in the brake disc.

Furthermore, the brake gear and the arc-shaped rack are made of metal materials.

Further, a heat radiation fan is installed at the rear of the installation housing.

The utility model has the characteristics of simple structure is reasonable, the braking is quick and braking effect is good, compares with prior art, drives first pivot through drive assembly and rotates, makes the tooth of arc rack and brake gear interlock can realize quick braking, and a plurality of arc racks make brake performance increase, according to the needs of the braking nature of difference select the arc rack of different quantity can, simple structure accords with the user demand.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is one of the schematic sectional structural diagrams of the present invention;

fig. 3 is a second schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the braking structure of the present invention;

fig. 5 is a schematic view of the auxiliary brake of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, a brake of a winch includes an installation housing 1, a first installation frame 16 is disposed in the installation housing 1, a shaft hole is disposed on the first installation frame 16, a rotating shaft 17 is installed in the shaft hole, a brake disc 11 is disposed at a front end of the rotating shaft 17, a brake gear 12 is fixedly disposed on a rear end surface of the brake disc 11, an axis of the brake gear 12 coincides with an axis of the rotating shaft 17, a brake assembly 4 is disposed in the installation housing 1, the brake assembly 4 includes a plurality of arc-shaped racks 13 uniformly distributed along the axis of the brake gear 12, the arc-shaped racks 13 are engaged with the brake gear 12, a second installation frame 15 is disposed in the installation housing 1, a first rotating shaft 14 is disposed at one end of the arc-shaped racks 13, and a through hole is disposed at a position of the second installation frame 15 corresponding to the first rotating shaft 14, first pivot 14 is pegged graft in the through-hole be equipped with drive assembly 3 and transmission assembly 2 in the installation casing 1 respectively, drive assembly 3 and transmission assembly 2 are connected the transmission, transmission assembly 2 is connected the transmission with first pivot 14 respectively, has simple structure reasonable, the braking is quick and brake effectual characteristics, compares with prior art, drives first pivot through drive assembly and transmission assembly and rotates, makes the tooth of arc rack and braking gear interlock can realize quick braking, and a plurality of arc racks make brake performance increase, according to the needs of the braking nature of difference select different quantity arc racks can, simple structure accords with the user demand.

Referring to fig. 1 to 4, the transmission assembly 2 includes a first gear 21 disposed on a first rotating shaft 14, a bearing 220 is disposed on an inner wall of the mounting housing 1, a ring gear 22 is disposed on an inner ring of the bearing 220, the ring gear 22 is engaged with the first gear 21, a plurality of second gears 23 are uniformly distributed in the ring gear 22, the second gears 23 are engaged with the ring gear 22, a second rotating shaft 24 is disposed on the second gears 23, a second shaft hole is disposed at a position of the first mounting frame 16 corresponding to the second rotating shaft 24, the second rotating shaft 24 is inserted into the shaft hole, the driving assembly 3 is connected to the second rotating shaft 24 for transmission, the driving assembly drives the second rotating shaft to rotate, the second rotating shaft drives the second gear to rotate, the ring gear drives the first gear to rotate during rotation, and thereby drives the first rotating shaft to rotate, can realize driving the arc rack and be rolling over around first pivot, make arc rack and brake gear mesh braking or separation, simple structure, the drive is convenient, through first gear and ring gear again with the cooperation of second gear, its moment of torsion of increase can be at the more powerful drive of operation in-process.

Referring to fig. 2 to 3, the driving assembly 3 includes a motor 31 installed at the rear portion of the installation housing 1, the motor is a servo motor, a first bevel gear 32 is installed on a motor shaft of the motor 31, a second bevel gear 25 is installed on the second rotating shaft 24, the first bevel gear 32 is respectively in meshing transmission with the plurality of second bevel gears 25, the motor drives the first bevel gear to rotate, the first bevel gear rotates to respectively drive the plurality of second bevel gears to rotate, and therefore the second rotating shaft is driven to rotate, the structure is simple, the driving is convenient, and the use requirements are met.

The utility model discloses a theory of operation:

before use, a rotating shaft in the winch is fixedly connected to a brake disc;

1) starting the motor, and rotating the motor;

2) the motor drives the first bevel gears to rotate, and the first bevel gears rotate to respectively drive the plurality of second bevel gears to rotate, so that the second rotating shafts are driven to rotate;

3) when the second rotating shaft rotates, the second gear rotates to drive the ring gear to rotate, the ring gear drives the first gear to rotate when rotating, so that the first rotating shaft is driven to rotate, the arc-shaped rack can be driven to rotate around the first rotating shaft, and the arc-shaped rack and the braking gear are meshed to brake or separate.

Referring to fig. 2, a plurality of mounting lug seats 100 are arranged at the rear part of the mounting shell 1, and the motor 31 is mounted on the mounting lug seats 100, so that the structure is simple, the mounting is convenient, and the use requirement is met.

The utility model discloses in be equipped with a plurality of louvres on the brake disc 11, can give off the heat fast.

The utility model discloses in, brake gear 12 and arc rack 13 are the metal material, can guarantee that it does not damaged under bearing powerful pressure, realize high-efficient braking.

The utility model discloses in install radiator fan at the rear portion of installation casing 1, can give off the heat fast.

The utility model discloses in the bottom of installation casing 1 is equipped with the shock pad, and the shock pad is the rubber pad, reduces vibrations, ensures the steady operation of stopper.

Referring to fig. 5, an auxiliary brake is further disposed in the mounting housing 1, the auxiliary brake includes a plurality of cylinders 500 mounted in the mounting housing 1, a piston rod of the cylinders 500 is provided with a brake pad 501, the brake pad 501 is located at a front side of the brake disc 11, and an end surface of the brake pad 501 close to the brake disc 11 is provided with a frosted brake pad 502, so that the auxiliary brake can further increase braking performance and achieve a rapid braking effect.

In the utility model, the working principle of the auxiliary brake is adopted; the cylinder drives the brake pad and the brake disc to perform friction braking.

The utility model discloses in, auxiliary brake can earlier brake with the brake disc, and rethread brake assembly 4 brakies, perhaps when needs slow braking, only need through auxiliary brake disc brake can, auxiliary brake can do alone respectively with brake assembly 4, the independent control

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" 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.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stopper of hoist engine, is including installation casing (1) be equipped with first mounting bracket (16) in installation casing (1) be equipped with the shaft hole on first mounting bracket (16) install pivot (17) in the shaft hole the front end of pivot (17) is equipped with brake disc (11), its characterized in that: the brake disc is characterized in that a brake gear (12) is fixedly arranged on the rear end face of the brake disc (11), the axle center of the brake gear (12) coincides with the axle center of a rotating shaft (17), a brake assembly (4) is arranged in the installation shell (1), the brake assembly (4) comprises a plurality of arc-shaped racks (13) which are uniformly distributed along the axle center of the brake gear (12), the arc-shaped racks (13) are mutually meshed with the brake gear (12), a second installation rack (15) is arranged in the installation shell (1), a first rotating shaft (14) is arranged at one end of each arc-shaped rack (13), a through hole is formed in the position, corresponding to the first rotating shaft (14), of the second installation rack (15), a driving assembly (3) and a transmission assembly (2) are arranged in the installation shell (1) in an inserting mode, the driving assembly (3) and the transmission assembly (2) are connected in a transmission mode, the transmission components (2) are respectively connected with the first rotating shafts (14) for transmission.

2. A brake for a hoisting machine as claimed in claim 1, wherein: the transmission assembly (2) comprises a first gear (21) arranged on a first rotating shaft (14), a bearing (220) is installed on the inner wall of the installation shell (1), a ring gear (22) is installed on the inner ring of the bearing (220), the ring gear (22) is meshed with the first gear (21), a plurality of second gears (23) are uniformly distributed in the ring gear (22), the second gears (23) are meshed with the ring gear (22), a second rotating shaft (24) is arranged on the second gears (23), a second shaft hole is formed in the position, corresponding to the second rotating shaft (24), of the first installation frame (16), a second rotating shaft (24) is inserted into the shaft hole, and the driving assembly (3) is connected with the second rotating shaft (24) in a transmission mode.

3. A brake for a hoisting machine as claimed in claim 2, wherein: the driving assembly (3) comprises a motor (31) installed at the rear part of the installation shell (1), a first bevel gear (32) is installed on a motor shaft of the motor (31), a second bevel gear (25) is installed on the second rotating shaft (24), and the first bevel gear (32) is in meshing transmission with the second bevel gears (25) respectively.

4. A brake for a hoisting machine as claimed in claim 3, wherein: the rear portion of the mounting shell (1) is provided with a plurality of mounting lug seats (100), and the motor (31) is mounted on the mounting lug seats (100).

5. A brake for a hoisting machine as claimed in any one of claims 1 to 4, wherein: the brake disc (11) is provided with a plurality of heat dissipation holes.

6. A brake for a hoisting machine as claimed in any one of claims 1 to 4, wherein: the brake gear (12) and the arc-shaped rack (13) are made of metal materials.

7. A brake for a hoisting machine as claimed in any one of claims 1 to 4, wherein: and a heat radiation fan is arranged at the rear part of the mounting shell (1).

8. A brake for a hoisting machine as claimed in any one of claims 1 to 4, wherein: and a shock pad is arranged at the bottom of the mounting shell (1).