CN203903861U

CN203903861U - Lifting device

Info

Publication number: CN203903861U
Application number: CN201420299906.3U
Authority: CN
Inventors: 张松
Original assignee: Chongqing Is Lucky For Crane Gear Co Ltd
Current assignee: Chongqing Is Lucky For Crane Gear Co Ltd
Priority date: 2014-06-06
Filing date: 2014-06-06
Publication date: 2014-10-29
Anticipated expiration: 2024-06-06

Abstract

The utility model discloses a lifting device which comprises a speed reducer (2), a motor (1) and a reel set (3). The motor (1) and a high-speed shaft of the speed reducer (2) are coaxially connected, and the reel set (3) and a low-speed shaft of the speed reducer (2) are coaxially connected. A driving shaft of the motor (1) and the high-speed shaft of the speed reducer (2) are connected through a coupler (5). One end, away from the motor (1), of the high-speed shaft of the speed reducer (2) is provided with a brake (4). According to the lifting device, the driving shaft of the motor and the high-speed shaft of the speed reducer are connected through the coupler, and one end, away from the motor, of the high-speed shaft of the speed reducer is provided with the brake, so that safe landing of a heavy object is guaranteed. The number of connecting components between the driving shaft of the motor and the high-speed shaft of the speed reducer is decreased, and then energy consumption is effectively reduced; it is avoided that because the brake is arranged between the driving shaft of the motor and the high-speed shaft of the speed reducer, the number of connecting points is overlarge, the number of fault points is decreased, and maintaining cost is reduced.

Description

Lifting device

Technical Field

The utility model relates to a play to rise technical field, in particular to play to rise device.

Background

In the lifting device, a motor and a winding drum group are connected through a speed reducer so as to realize the speed reduction rotation of the winding drum group and further drive a heavy object to lift.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a hoisting device in the prior art.

The motor 01 is connected with the floating shaft 03 through the coupler 02, and the brake wheel 05 is arranged at the end part, close to the motor 01, of the high-speed shaft of the speed reducer 06, so that the braking of the high-speed shaft of the speed reducer 06 is realized, and the falling of heavy objects is guaranteed to fall to the ground safely. The other end of the floating shaft 03, which is far away from the motor 01, is provided with a brake wheel coupling 04 so as to connect the brake wheel 05 with the floating shaft 03 and realize the transmission between the motor 01 and the reducer 06.

However, a plurality of connecting parts (the floating shaft 03, the brake wheel coupling 04 and the brake wheel 05) are arranged between the motor 01 and the speed reducer 06, so that energy consumption generated in the transmission process is large; because the number of the connecting nodes is large, the number of fault points which are easy to generate faults is large, and the maintenance cost is high.

Therefore, how to reduce energy consumption, reduce failure points, and reduce maintenance cost is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a play to rise device to reduce the energy consumption, reduce the fault point, reduce the maintenance cost.

In order to achieve the above object, the utility model provides a following technical scheme:

a hoist apparatus comprising: the winding drum set is coaxially connected with a low-speed shaft of the speed reducer, and a driving shaft of the motor is connected with the high-speed shaft of the speed reducer through a coupling; and a brake is arranged at one end of the high-speed shaft of the speed reducer, which is far away from the motor.

Preferably, in the hoisting device, the coupling is a quincuncial elastic coupling.

Preferably, in the hoisting device, the brake is a disc brake;

the center line of the brake coincides with the axis of the drive shaft of the motor.

Preferably, in the hoisting device, the brake is an electromagnetic disc brake.

Preferably, in the hoisting device, the winding drum set is sleeved on a low-speed shaft of the speed reducer.

Preferably, in the lifting device, a limiting protrusion for limiting axial movement of the reel set is provided at an end of the low-speed shaft.

According to the above technical scheme, the utility model provides a play to rise device passes through the coupling joint with the drive shaft of motor and the high-speed axle of reduction gear, and the one end of keeping away from the motor at the high-speed axle of reduction gear is provided with the stopper, ensures to fall heavy object safety and falls to the ground. Compared with a hoisting device in the prior art, the hoisting device reduces connecting parts between a driving shaft of a motor and a high-speed shaft of a speed reducer, thereby effectively reducing energy consumption; in addition, the situation that the number of connection points is too large due to the fact that the braking device is arranged between the driving shaft of the motor and the high-speed shaft of the speed reducer is avoided, fault points are effectively reduced, and maintenance cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a hoisting device in the prior art;

wherein,

the brake comprises a motor-01, a coupling-02, a floating shaft-03, a brake wheel coupling-04, a brake wheel-05 and a speed reducer-06;

fig. 2 is a schematic structural diagram of a lifting device provided by the embodiment of the utility model.

Wherein,

the device comprises a motor-1, a speed reducer-2, a winding drum set-3, a brake-4 and a coupling-5.

Detailed Description

The utility model discloses a play to rise device to reduce the energy consumption, reduce the fault point, reduce the maintenance cost.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 2, fig. 2 is a schematic structural diagram of a hoisting device according to an embodiment of the present invention.

An embodiment of the utility model provides a play to rise device, include: the device comprises a speed reducer 2, a motor 1 coaxially connected with a high-speed shaft of the speed reducer 2, and a winding drum group 3 coaxially connected with a low-speed shaft of the speed reducer 2, wherein a driving shaft of the motor 1 is connected with the high-speed shaft of the speed reducer 2 through a coupling; and a brake 4 is arranged at one end of the high-speed shaft of the speed reducer 2 far away from the motor 1.

The embodiment of the utility model provides a play to rise device passes through the coupling joint with motor 1's drive shaft and reduction gear 2's high-speed shaft, and the one end of keeping away from motor 1 at reduction gear 2's high-speed shaft is provided with stopper 4, ensures to fall heavy object safety and falls to the ground. Compared with a hoisting device in the prior art, the connecting component between the driving shaft of the motor 1 and the high-speed shaft of the speed reducer 2 is reduced, and further, the energy consumption is effectively reduced; in addition, the situation that the number of connection points is too large due to the fact that the braking device is arranged between the driving shaft of the motor 1 and the high-speed shaft of the speed reducer 2 is avoided, fault points are effectively reduced, and maintenance cost is reduced.

Preferably, the coupling 5 is a torx coupling. Other types of couplings may be used, as long as the strength of the connection between the drive shaft of the motor 1 and the high-speed shaft of the reducer 2 is sufficient, and will not be described in detail here.

As shown in fig. 2, the brake 4 is a disc brake; the centre line of the brake 4 coincides with the axis of the drive shaft of the motor 1. Through setting up stopper 4 into the axis coincidence of disc brake and its central line and motor 1's drive shaft, effectively ensured that motor 1's drive shaft drives the high-speed shaft pivoted stationarity of reduction gear 2, avoided rocking because of stopper 4 is for motor 1's drive shaft eccentric settings and motor 1's that causes drive shaft and reduction gear 2's high-speed shaft, effectively reduced the utility model provides a play to rise the produced noise of device.

Further, the brake 4 is an electromagnetic disc brake. The function of controlling the braking effect is achieved through electromagnetic control.

For the convenience of installation, the winding drum set 3 is sleeved on the low-speed shaft of the speed reducer 2. The rotating speed of the motor 1 is reduced by the speed reducer 2 and transmitted to the winding drum set 3, so that the winding drum set 3 is ensured to rotate stably, and the lifting of a heavy object is realized.

Further, in order to prevent the movement of the reel group 3 along the low-speed shaft of the speed reducer 2 and even the slipping-off thereof, the end of the low-speed shaft is provided with a limit projection for limiting the axial movement of the reel group 3. Through setting up spacing arch, ensured reel group 3 at the epaxial axial position of low-speed, and then ensured the stationarity of transmission in-process and the embodiment of the utility model provides a play to rise device's safety in utilization.

In the present embodiment, the roll set 3 may be formed by coaxially arranging a plurality of rolls, or may be formed by only one roll.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hoist apparatus comprising: a speed reducer (2), a motor (1) coaxially connected with a high-speed shaft of the speed reducer (2), and a reel group (3) coaxially connected with a low-speed shaft of the speed reducer (2),

a driving shaft of the motor (1) is connected with a high-speed shaft of the speed reducer (2) through a coupling (5); and a brake (4) is arranged at one end of the high-speed shaft of the speed reducer (2) far away from the motor (1).

2. A hoisting device as claimed in claim 1, characterized in that the coupling (5) is a torx coupling.

3. A hoisting device as claimed in claim 1, characterized in that the brake (4) is a disc brake;

the central line of the brake (4) is coincident with the axis of the driving shaft of the motor (1).

4. A hoisting device as claimed in claim 2, characterized in that the brake (4) is an electromagnetic disc brake.

5. A hoisting device as claimed in claim 1, characterized in that said reel set (3) is sleeved on a low-speed shaft of said decelerator (2).

6. A hoisting device as claimed in claim 5, characterized in that the end of the low-speed shaft is provided with a limit projection for limiting the axial movement of the reel set (3).