KR200268032Y1 - Manual operation apparatus of elevator winch - Google Patents

Abstract

The present invention relates to a manual operation device of the elevator hoisting machine, and when the electrical operation of the elevator hoisting machine becomes impossible, the elevator car is moved upward by a predetermined distance while simply rotating the sheave of the hoisting machine by operating the reducer connected through the hoisting machine, the sprocket and the chain. Alternatively, in order to provide a manual operation device for an elevator hoisting machine which can be moved downward, an electric motor that generates predetermined power by a power source applied from the outside, and a rope wound on the outer circumferential surface thereof while rotating by the power of the electric motor. In the manual operation device of the hoist for manually rotating the sheave when the power is cut off by a hoist made of a sieve for lifting and lowering the elevator car coupled to one end of the rope by selectively unwinding or winding , The hoist (1 The first sprocket 30 is installed on the shaft so as to interlock with the sheave 14 so as to protrude forward, and around the hoist 10 according to the operation of the handle 28 coupled to the outside. A reduction gear 26 is formed to rotate a plurality of reduction gears formed therein at a predetermined reduction ratio, and a front side of the reduction gear 26 includes a second sprocket 32 that interlocks with the rotation of the reduction gear. After being coupled to the same line as the sprocket 30, the outer circumferential surfaces of the first sprocket 30 and the second sprocket 32 are connected to each other through a chain 34 to be interlocked.

Description

MANUAL OPERATION APPARATUS OF ELEVATOR WINCH}

The present invention relates to a manual operation device of an elevator hoisting machine. More specifically, when an emergency occurs in an elevator due to a power failure or a failure, the sprocket installed in the hoisting machine and the reducer connected through a chain with a sprocket and a chain with a small force are used. The present invention also relates to a manual operation apparatus for an elevator hoist, which enables the manual operation of the hoist of an elevator simply.

In general, an elevator device is installed in various buildings made for residential or business use so as to quickly move passengers and cargo on the elevator car to the upper and lower floors.

In addition, as described above, the elevator, which is operated for rapid movement to the upper and lower floors in the building, is installed in the machine room or at a predetermined position of the hoistway, so that the winding and unwinding of the rope wound around the sheave of the hoisting machine is provided. Accordingly, the elevator car coupled to one end of the rope is configured to move in the vertical direction, while the hoist is provided with a manual operation device so that the elevator is manually operated when the elevator cannot be electrically operated due to power failure or failure. It is configured to move the car.

1 is a perspective view showing a manual operation apparatus of a conventional elevator hoisting machine, wherein the hoisting machine 10 is rotated by power of the electric motor 12 and the electric motor 12 which generate a predetermined power by receiving power from the outside; And a sheave 14 for lifting and lowering the elevator car 13 coupled to one end of the rope 14a while selectively winding or unwinding the rope 14a wound on the outer circumferential surface thereof. The bearing housing 16 fixed to the base plate 15 so as to support 10, and the brake device 18 for braking the rotation of the sheave 14 are included. When the power supply to the electric motor 12 is interrupted due to a power failure or a failure, the operation of the elevator car 13 is stopped, and the elevator car 13 is operated by manually operating the hoisting machine 10. Platform scissors In order to rescue the passengers therein by moving to one place, a gear 22 formed on the front surface of the sheave 14 and a sheave 14 formed with the gear 22 meshed with the gear 22. Drive gear 24 for driving), reducer 26 provided with a plurality of reduction gears 26a so that the drive gear 24 rotates at an appropriate reduction ratio, and so that the reducer 26 can be manually rotated. A manually operated device including the formed handle 28 and the like is formed.

However, in the manual operation apparatus of the hoisting machine composed of a gear formed on the sheave of the hoisting machine, a drive gear meshing with the gears, and a reduction gear and a handle for rotating the drive gear as described above, respectively, Since the gears must be installed to engage with the gears, expensive gears must be used and the installation cost increases, resulting in a problem of economical deterioration.

In addition, the gear is very large in weight and requires a lot of labor in the installation and operation of the manual control device, while the structure of the manual control device each gear is engaged after the reducer is installed in the adjacent position of the sheave In order to operate the hoisting machine, there is a problem that interference may occur from the reducer, and when repairing or repairing the hoisting machine, the gear and the reducer must be dismantled from the hoisting machine. As a result, the work process becomes very irrational.

Therefore, the present invention is devised to improve the problems in the manual operation apparatus of the conventional elevator hoist as described above, when the hoist of the elevator is impossible to operate due to failure or power failure, the hoist and the sprocket And it is an object of the present invention to provide a manual operation device of the elevator hoist to move the elevator car up or down by a predetermined distance while simply rotating the sheave of the hoist by operating the reducer connected through the chain.

In order to achieve the above object, the present invention provides an electric motor that generates a predetermined power by a power source applied from the outside, and by selectively unwinding or winding the rope wound around the outer circumferential surface while rotating by the power of the electric motor. In the manual operation device of the hoist for manually rotating the sheave when the power is cut off, including a sheave for lifting and lowering the elevator car coupled to one end of the rope, the hoist is interlocked with the sheave A first sprocket is installed on the shaft so as to protrude forward, and a reduction gear is installed around the hoist to allow a plurality of reduction gears formed therein to be rotated at a predetermined reduction ratio according to an operation of a handle coupled to the outside. The front of the reducer is interlocked according to the rotation of the reduction gear After the second sprocket coupled so as to be located on the first sprocket and the same line, the outer peripheral surface of the first sprocket and the second sprocket are each connected via a chain, characterized in that arranged to be interlocked.

Preferably, the hoist is installed through the bearing housing on the upper portion of the pair of first bed and the second bed which is installed in the transverse direction and the longitudinal direction, respectively, the reducer is the first sprocket and the second It is characterized in that the sprocket is installed on the upper side of the auxiliary bed installed to have a predetermined slope on the upper side of the first bed so that it can be located on the same line.

According to the present invention configured as described above, when manual operation of the elevator hoisting machine is required, the rotational force is transmitted to the second sprocket through the reduction gear as the handle coupled to the reducer rotates, and then the second sprocket and As it is transmitted to the first sprocket connected through the chain, it is possible to manually rotate the sheave interlocking with the first sprocket.

1 is a perspective view showing a manual operation device of a conventional elevator hoisting machine,

Figure 2 is a perspective view showing a manual operation device of the elevator hoist according to the present invention,

3a and 3b is a front view and a side view showing a manual operation device of the elevator hoist according to the present invention.

Explanation of symbols on the main parts of the drawings

10: hoist, 12: electric motor,

13: elevator car, 14: sheave,

14a: rope, 15: base plate,

16: bearing housing, 18: brake device,

22: gear, 24: drive gear,

26: reduction gear, 26a: reduction gear,

28: handle, 30: first sprocket,

32: second sprocket, 34: chain,

40: 1st bed, 42: 2nd bed,

44: auxiliary bed.

Hereinafter, the manual operation device of the elevator hoist according to the present invention will be described in detail.

2 is a perspective view showing a manual operation device of the elevator hoist according to the present invention, Figures 3a and 3b is a front view and a side view showing a manual operation device of the elevator hoist according to the present invention, as shown in the elevator hoist ( 10 is a bearing housing 16 coupled to the upper part of the base plate 15 after the first bed 40 and the second bed 42 made up of a pair of horizontal members and longitudinal members are respectively installed. Supported through.

And, the elevator hoist 10 is provided with a motor 12 for generating a predetermined power through a predetermined power applied from the outside, the sheave 14 is formed on one side of the electric motor 12, A predetermined number of ropes 14a are wound on the outer circumferential surface of the sheave 14 so that the rope 14a wound on the outer circumferential surface is selectively wound or wound as the sheave 14 is rotated by the power of the electric motor 12. While being unwound, the elevator car 13 coupled to one end of the rope 14a is thus configured to be raised or lowered.

On the other hand, in the elevator hoist 10 as described above, when the power supply from the outside to the electric motor 12 is cut off due to a power failure or a failure, the elevator car 13 is stopped at a predetermined position of the hoistway, There is a manual operation device of the elevator hoist for manually moving the elevator car 13 to the place where the platform is located, the emergency hoist of the hoist, the manual hoist of the hoist according to the present invention ( A front side of the 10 is provided with a first sprocket 30 is coupled to the same axis as the axis of the sheave 14 and interlocked with the sheave 14, a plurality of positions therein adjacent to the hoist 10 The reduction gear 26 is provided so that the two reduction gears can be rotated at a predetermined reduction ratio.

Here, one side of the reduction gear 26 is connected to the input side of the reduction gear is formed a handle 28 for operating the reduction gear, while the other side of the reduction gear 26 is connected to the output side of the reduction gear The second sprocket 32 is interlocked with the rotation of the reduction gear to protrude.

In addition, the reducer 26 is coupled to an upper portion of the auxiliary bed 44 which is raised to have a predetermined inclination toward the front in the state coupled to the upper surface of the first bed 40, the second sprocket After the 32 is positioned on the same line as the first sprocket 30, the outer circumferential surface thereof is configured to be connected via the chain 34, respectively, and thus the first sprocket 30 and the second sprocket 32 ) Is structured to be interoperable.

Hereinafter, the operation of the manual operation device of the elevator hoist according to the present invention described above in detail.

First, the elevator car 13 coupled to one end of the rope 14a is raised and lowered by winding and unwinding the rope 14a wound on the sheave 14 of the elevator hoisting machine 10. In the elevator apparatus, the power supply to the electric motor 12 of the hoisting machine 10 is interrupted during the operation of the elevator car 13 due to a power failure or a failure, and the elevator car 13 stops arbitrarily at a predetermined position of the hoistway. In order to manually lift and lower the elevator car 13 to the place where the platform is located in order to emergency rescue the passengers in the elevator car 13, as described above, In the front, the first sprocket 30 is installed to be interlocked with the sheave 14, and in the adjacent position of the hoist 10, the second sprocket 32 is disposed at one side of the first sprocket 30. It is formed so as to be located on the same line and the other side is equipped with a reducer 26 formed with a handle 28, and then configured to connect the first sprocket 30 and the second sprocket 32 by a chain 34 In a state where the manual operation device of the elevator hoisting machine is installed, the handle 28 of the speed reducer 26 is operated to rotate in the forward or reverse direction.

Accordingly, as the handle 28 is operated, the rotational force is transmitted to the input side of the reduction gear built in the reduction gear 26, and the plurality of reduction gears are rotated at an appropriate reduction ratio by the rotational force, and the output side of the reduction gear The second sprocket 32 coupled to the will be interlocked.

In addition, the rotational force of the second sprocket 32 linked by the rotation of the reduction gear is transmitted to the first sprocket 30 connected through the chain 34, and the first sprocket 30 is rotated. As a result, the sheave 14 of the hoist 10 configured to interlock with the first sprocket 30 is rotated.

Accordingly, as the handle 28 of the reducer 26 is rotated in the forward or reverse direction, the sheave 14 is rotated in the forward or reverse direction, so that the rope 14a wound around the sheave 14 is After the elevator car 13 is manually raised or lowered to the place where the platform is located while being wound or unwound, the passenger who boards the elevator car 13 can be emergency rescued from the platform.

According to the present invention made as described above, by using the manual operation device of the elevator hoist consisting of a sprocket formed on the reducer and the sheave, and a chain connecting the sprocket, the elevator car can be raised and lowered manually simply and quickly. As a result, there is an effect that the elevator car can cope very efficiently in the event of an emergency.

In addition, the manual operation device can be easily mounted and detached, the effect of making it easier to perform the operation even during the maintenance of the elevator hoisting machine, the production cost is low and can be easily configured device It also has the effect of improving the economics by reducing the manufacturing and installation costs and labor of the laboratories.

Claims (2)

Ride an electric motor that generates a predetermined power by a power source applied from the outside, and an elevator car coupled to one end of the rope by selectively unwinding or winding a rope wound around the outer circumferential surface while rotating by the power of the motor. In the manual operation device of the hoist for manually rotating the sheave, when the power is cut off to the hoist including a sheave, etc. to lower, The hoist 10 is provided with a first sprocket 30 coupled to the shaft so as to interlock with the sheave 14 in a forward direction, and the handle 28 coupled to the outside around the hoist 10. According to the operation, a reduction gear 26 is formed such that a plurality of reduction gears formed therein are rotated at a predetermined reduction ratio, and a front side of the reduction gear 26 has a second sprocket 32 interlocked with the rotation of the reduction gear. After being coupled to the same line as the first sprocket 30, the outer circumferential surfaces of the first sprocket 30 and the second sprocket 32 are each connected through a chain 34 to be interlocked. Manual operation apparatus of the elevator hoisting machine. The method of claim 1, The hoist 10 is installed on the upper portion of the base plate 15 through the bearing housing 16 on the pair of first bed 40 and the second bed 42 installed in the transverse direction and the longitudinal direction, respectively. The decelerator 26 has an auxiliary bed 44 installed to have a predetermined inclination on the upper side of the first bed 40 so that the first sprocket 30 and the second sprocket 32 may be located on the same line. Manual operation device of the elevator hoist, characterized in that installed on the top of the.