KR200384100Y1 - Roping structure of elevator - Google Patents

Abstract

The present invention relates to an elevator roping structure, in which an elevator thin hoisting machine without a machine room is placed in a state in which it is not overlapped with a car, so that the roping is performed in a predetermined structure to minimize the height of the elevator car even in a large elevator and provide sufficient overhead height. In order to provide an elevator roping structure to ensure that the elevator device can be installed more efficiently, a thin hoist is installed so as not to overlap with the elevator car at a predetermined point adjacent to the wall surface of the hoistway; The first switch pulley and the second switch pulley are installed on the wall surface where the thin hoist is installed and adjacent to the wall surface corresponding thereto, and one side of the rope wound on the hoist is connected to the first suspension pulley on one side of the lower part of the elevator car. After passing through the first switch pulley and the second switch pulley sequentially via the second suspension pulley on the other side of the lower elevator car is fixed to the first hitch plate of the hoistway; At the upper predetermined point of the hoistway, the third switching pulley is installed, and the other side of the rope wound on the hoisting machine passes the third suspension pulley on one side of the counterweight through the third switching pulley, and then the other side of the upper counterweight. It is characterized in that it is fixed to the second hitch plate in the upper part of the hoistway past the four-row pulley.

Description

Roping Structure of Elevator {ROPING STRUCTURE OF ELEVATOR}

The present invention relates to an elevator roping structure, and more particularly, to an elevator roping structure applied to an elevator apparatus without a machine room so that a hoist can be efficiently installed at a predetermined point inside a hoistway.

In general, the elevator device is installed inside the various high-rise buildings for vertical movement of people, cargo, etc. For this purpose, a lifting path for moving the elevator car in a vertical direction is formed at a predetermined point inside the various high-rise buildings. On the other hand, each floor of the building on which the hoistway is formed is provided with a platform which allows passengers to selectively call up and drop off elevator cars moving vertically through the hoistway.

Here, a brief description of the elevator device, a pair of car guide rails and counterweight guide rails are installed in the hoistway of the building along the vertical direction, and the elevator cars and counterweights are guided to the respective guide rails. It is installed to move up and down inside the hoistway.

In addition, the elevator car and the counterweight is provided with car guide shoes and counterweight guide shoes, respectively, to be coupled to the car guide rail and the counterweight guide rail, respectively, and the support is mounted on the upper side of each guide rail .

In addition, an elevator hoist having a motor and a rope pulley is installed at a predetermined point of the elevator device, and the motor is selectively driven by the control of an elevator control panel according to a user's button operation to move the rope wound on the rope pulley. And thereby raise or lower the elevator car and counterweight, respectively, connected to the rope.

On the other hand, recently, in installing an elevator device in a building, by eliminating the machine room in which the elevator hoisting machine and the control panel are installed, the problem of having to design and install a separate machine room at the time of building construction, as well as the expansion of the building and the elevator There is a growing trend to install an elevator apparatus without a machine room that can easily perform maintenance work.

FIG. 1 is a schematic plan view showing an elevator roping structure applied to an elevator apparatus without a conventional machine room. In the conventional method, when the capacity of the elevator car 10 is 17 seats or more, it is shown in FIG. As the volume of the elevator hoist 30 increases, the production cost and power consumption of the elevator hoist 30 increase, and the installation of the hoist 30 overlaps with the elevator car 10. There is a problem that needs to secure the overhead for a higher space in the upper elevator car 10 needs.

On the other hand, the applicant through the Republic of Korea Patent Registration No. 0441043 (registration date; July 09, 2004), the small diameter body is protruded to the outside in the center of the large-diameter body of the shape of one side open and the inside of the small diameter body A rotor frame having a rotating shaft protruding from the central portion and a plurality of rotors coupled to the inner circumferential surface of the large diameter body, and a brake disc protruding from the outer circumferential surface of the large diameter body; The main shaft is formed in the center portion to be fitted on the rotation axis of the rotor frame, and the outer circumference portion of the large diameter body including the rotor is accommodated by forming a rotor accommodating portion having a “c” shape in cross section at the outer peripheral portion thereof. A stator frame having a stator installed at a position corresponding to the stator frame; A hoisting sheave, the center portion of which is fitted to the outer circumferential surface of the small-diameter body and fastened onto the rotor frame; A bearing member interposed between the outer circumferential surface of the main shaft and the inner circumferential surface of the small diameter body to rotatably support the rotor frame; A brake device for braking the brake disc by a control signal provided on the brake disc side; It has applied for an "thin hoist for elevator" including an encoder installed at the end of the rotating shaft.

Therefore, the present invention has been devised to improve the conventional problems as described above, the present invention is a high-speed elevator elevator in a state in which the thin hoist for elevator without machine room is arranged so as not to overlap with the car in a predetermined structure The purpose of the present invention is to provide an elevator roping structure that minimizes the height of the car and secures sufficient overhead height to install the elevator device more efficiently.

Rope structure of the elevator according to the present invention for achieving the above object, the thin winding machine is installed so as not to overlap the elevator car at a predetermined point adjacent to the wall surface of the hoistway; The first switch pulley and the second switch pulley are installed on the wall surface where the thin hoist is installed and adjacent to the wall surface corresponding thereto, and one side of the rope wound on the hoist is connected to the first suspension pulley on one side of the lower part of the elevator car. After passing through the first switch pulley and the second switch pulley sequentially via the second suspension pulley on the other side of the lower elevator car is fixed to the first hitch plate of the hoistway; At the upper predetermined point of the hoistway, the third switching pulley is installed, and the other side of the rope wound on the hoisting machine passes the third suspension pulley on one side of the counterweight through the third switching pulley, and then the other side of the upper counterweight. It is characterized in that it is fixed to the second hitch plate in the upper part of the hoistway past the four-row pulley.

Preferably, the first and second suspension pulleys installed below the elevator car are arranged to be substantially parallel to the sheave of the hoist, characterized in that the height of the support can be minimized.

More preferably, the guide shoe is located in the car main so as to minimize the height of the elevator car.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

2 is a perspective view schematically showing the roping structure of the elevator according to the present invention, Figure 3 is a plan view schematically showing the roping structure of the elevator according to the present invention, Figure 4 is a lower portion of the elevator car in the roping structure of the elevator according to the present invention Partial side view showing a state in which the suspension pulley is installed, Figure 5 is a partial perspective view showing a state in which the guide shoe is installed in the elevator car in the rope structure of the elevator according to the present invention.

The roping structure of the elevator according to the present invention is applied to an elevator apparatus having no machine room in which the elevator hoist 30 is installed at a predetermined point inside the hoistway 40, and for this purpose, a predetermined position adjacent to the inner wall of the hoistway 40 is provided. In the state in which the thin hoist 30 is installed at a point which does not overlap with the elevator car 10, the rope 38 wound on the hoist 30 is 4: 1 roping so as to reduce the axial torque and the driving torque in the motor. The structure is applied.

To this end, a first switch pulley 32 is installed at a point adjacent to the wall surface on which the thin hoist 30 is installed, and a second switch is provided at a point adjacent to the wall surface corresponding to the wall on which the thin hoist 30 is installed. The pulley 34 is installed, and the first suspension pulley and the second suspension pulley 12a and 12b on one side and the other side of the lower part of the elevator car 10 to be in parallel with the sheave of the thin hoist 30, respectively. Is installed.

Accordingly, one side of the rope 38 wound on the sheave of the thin winding machine 30 is the first switch installed on the upper side via the first suspension pulley 12a installed on the lower side of the elevator car 10. After passing through the pulley 32 and via the second switching pulley 34 installed at the corresponding point, the second suspension pulley 12b installed on the lower side of the lower elevator car 10 is provided. In the state, the end is fixed to the first hitch plate 40a provided at the upper part of the hoistway.

In addition, a third switching pulley 36 is installed at a predetermined point above the hoistway 40, and the third suspension pulley 22a and the fourth suspension pulley 22b are respectively provided on one side and the other side of the counterweight 20. Is installed.

The other side of the rope 38 wound on the sheave of the thin winding machine 30 passes through the third suspension pulley 22a installed on the upper side of the counterweight 20, and the third switching pulley on the upper side thereof ( 2nd hitch plate 40b provided in the upper part of the hoistway 40 in the state which passed through 36 and the 4th suspension pulley 22b provided on the other side of the counterweight 20 below it again. It is fixed to the installation.

At this time, since the first suspension pulley and the second suspension pulley 12a, 12b installed below the elevator car 10 are arranged to be substantially parallel to the sheave of the thin hoist 30, the elevator car The height of the support 14 supporting the 10 can be minimized.

In addition, the guide shoe 18 provided to align the elevator car 10 with the elevator car guide rail is installed in the car head 16 of the elevator car 10. Accordingly, the elevator car 10 The height of the is configured to be minimized.

Next, the operation of the present invention made as described above is as follows.

First, when the elevator device is installed by applying a rope structure of an elevator according to the present invention to an elevator device, the first suspension pulley 12a and the second suspension pulley provided on the lower side of the elevator car 10. As the 12b is disposed to maintain a state substantially parallel to the sheave of the thin hoist 30, the height of the support 14 of the elevator car 10 can be minimized (about 150 mm). In addition to having a sufficient pit depth of 40), the hoist 30 is installed on the wall of the hoistway 40 that does not overlap the elevator car 10, so that the hoistway 40 has a sufficient overload. Head height can also be secured.

In addition, since the guide shoe 18 of the elevator car 10 is located in the casing 16 of the elevator car 10, the overall height of the elevator car 10 can be lowered.

On the other hand, even if the modified embodiments other than the contents described in the present invention is not to be understood individually from the technical spirit or prospects of the present invention, it goes without saying that belongs to the claims attached to the present invention.

According to the present invention made as described above, since the rope wound on the hoist is made of a 4: 1 roping structure to reduce the motor during celebration and driving torque, the existing small capacity hoist of less than 17 seater does not have a machine room There is an effect that can be applied to a large-capacity elevator device more than 20 seats.

In addition, the height of the elevator car can be reduced by changing the structure of the car, such as installing an elevator guide shoe in the car main, and the hoisting machine is installed on the wall of the hoistway that does not overlap with the elevator car, thereby ensuring sufficient overhead height. There is also an effect that can be done.

1 is a schematic plan view showing an elevator roping structure applied to an elevator apparatus without a conventional machine room;

2 is a perspective view schematically showing a roping structure of an elevator according to the present invention;

3 is a plan view schematically showing a roping structure of an elevator according to the present invention;

4 is a partial side view showing a suspension pulley installed in the lower part of the elevator car in the roping structure of the elevator according to the present invention;

5 is a partial perspective view illustrating a state in which a guide shoe is installed in an elevator car in a rope structure of an elevator according to the present invention.

Explanation of symbols on the main parts of the drawings

10: elevator car, 12a, 12b: first and second suspension pulleys,

14: support, 16: kaju,

18: guide shoe, 20: counterweight,

22a, 22b: third and fourth suspension pulleys, 30: hoisting machine,

32: first transition pulley, 34: second transition pulley,

36: third transition pulley, 38: rope,

40: hoistway, 40a, 40b: first and second hitch plates.

Claims (3)

At a predetermined point adjacent to the wall surface of the hoistway, a thin hoist is installed so as not to overlap with the elevator car; The first switch pulley and the second switch pulley are installed on the wall surface where the thin hoist is installed and adjacent to the wall surface corresponding thereto, and one side of the rope wound on the hoist is connected to the first suspension pulley on one side of the lower part of the elevator car. After passing through the first switch pulley and the second switch pulley sequentially via the second suspension pulley on the other side of the lower elevator car is fixed to the first hitch plate of the hoistway; At the upper predetermined point of the hoistway, the third switching pulley is installed, and the other side of the rope wound on the hoisting machine passes the third suspension pulley on one side of the counterweight through the third switching pulley, and then the other side of the upper counterweight. An elevator roping structure, characterized in that it is fixed to the second hitch plate in the upper part of the hoistway after passing through the four-row pulley. The method of claim 1, The first and second suspension pulleys installed below the elevator car are arranged to be substantially parallel to the sheave of the hoist, so that the height of the support can be minimized. The method of claim 1, The guide shoe is located in the car so that the height of the elevator car can be minimized.