CN214359656U

CN214359656U - Elevator without machine room

Info

Publication number: CN214359656U
Application number: CN202022617548.4U
Authority: CN
Inventors: 张晓伟; 丁玉军; 刘强; 陈磊磊; 吕冲
Original assignee: Tongyou Elevator Co Ltd
Current assignee: Tongyou Elevator Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-08
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a no computer lab elevator, include: the elevator comprises a lift car, wherein the lift car comprises a car door, the car door is used as a part of the lift car, a car bottom wheel is arranged at the bottom of the lift car, and a first included angle is formed between the rotating axis of the car bottom wheel and the car door; the first car top wheel is arranged at the top of the well wall and positioned on one side of the car; the traction machine is positioned in the middle or lower part of the well wall; the second car top wheel is arranged at the top of the well wall and positioned at the rear side of the car; the counterweight is positioned at the rear side of the car and comprises a counterweight main body and a counterweight wheel; two ends of the traction steel wire rope are respectively connected to the top of one side of the well wall, which is far away from the first car top wheel; the axes of the traction machine, the second car top wheel and the counterweight wheel are parallel to each other, and the centers of the traction machine, the second car top wheel and the counterweight wheel are on the same straight line in the same projection plane. The utility model discloses can realize arranging the hauler in the arbitrary vertical position of second sedan-chair top wheel to well bottom, provide more positions that can place for the hauler. The height of the top floor is reduced to 3.3 meters, so that the building is suitable for buildings with low top floors.

Description

Elevator without machine room

Technical Field

The utility model relates to an elevator field, specific be a no computer lab elevator.

Background

A machine room-less elevator refers to an elevator that does not require a building to provide a closed special machine room for installing equipment such as a traction machine. The installation location of the hoisting machine in existing machine room-less elevators is typically on the car or at the top of the hoistway. However, the installation position of the existing elevator traction machine is relatively fixed, and the installation position cannot be adjusted according to actual needs. In addition, the height of the top floor is low due to increased construction costs, limitations in the height of the building in some areas, and the addition of elevators to the already built building. When the existing elevator operates, the top space is large, and the elevator cannot be suitable for buildings with low top floors.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a no computer lab elevator is provided, it is used for solving the unable problem that can't adjust mounted position and ground roof building thing can't be suitable for according to actual need of above-mentioned hauler.

The embodiment of the application discloses: a machine roomless elevator comprising: the elevator comprises a lift car and a lifting device, wherein the lift car comprises a car door, the bottom of the lift car is provided with a car bottom wheel, and a first included angle is formed between the rotation axis of the car bottom wheel and the car door and is not less than 45 degrees; the first car top wheel is arranged at the top of the well wall, is positioned on one side of the car and is positioned at the rear part of the car; the traction machine is positioned in the middle or lower part of the well wall and is positioned at the rear side of the lift car; the second car top wheel is arranged at the top of the well wall and is positioned at the rear side of the car; the counterweight is positioned at the rear side of the lift car and comprises a counterweight main body and a counterweight wheel arranged at the upper part of the counterweight main body; the two ends of the traction steel wire rope are respectively connected to the top of one side of the well wall, which is far away from the first car top wheel; the traction steel wire rope sequentially penetrates through the first car top wheel, the traction machine, the second car top wheel and the counterweight wheel; the axes of the traction machine, the second car top wheel and the counterweight wheel are parallel to each other; the centers of the traction machine, the second car top wheel and the counterweight wheel are on the same straight line in the same projection plane.

Further, the first car top wheel is fixed on the first car top mounting seat through a U-shaped bolt.

Further, the first ceiling mounting base is installed at a position 300mm high from the top of the hoistway.

Further, the second car top wheel is fixed on the second car top mounting seat through a U-shaped bolt.

Further, the second ceiling mount was mounted 500mm high from the top of the hoistway.

Furthermore, the car bottom wheel adopts a bottom support wheel type structure.

Furthermore, the number of the car bottom wheels is two, and the wrap angles of the traction steel wire ropes on the two car bottom wheels are both 90 degrees.

Further, the traction machine is arranged on an installation seat consisting of an upper traction seat and a lower traction seat.

Furthermore, the number of the counterweight wheel, the first car top wheel and the second car top wheel is one, and wrap angles of the traction steel wire rope on the traction wheel, the counterweight wheel, the first car top wheel and the second car top wheel of the traction machine are all 180 degrees.

Further, the diameter of the counterweight wheel is not larger than the width of the counterweight main body in the horizontal direction.

The utility model has the advantages as follows:

1. the tractor of the elevator without the machine room can realize the normal operation of the elevator only by being arranged below the second car top wheel. Therefore, the traction machine is placed at any vertical position from the second car top wheel to the bottom of the shaft, and more positions capable of being placed are provided for the traction machine.

2. The counterweight main body, the counterweight wheel, the traction machine, the first car top wheel, the first car top mounting seat, the second car top wheel and the second car top mounting seat are all positioned outside the car running area. That is, none of the above structures is installed in the vertical space in which the car travels, thereby saving space in the upper portion of the car. Can ensure that the height of the top floor is reduced to 3.3 meters on the premise of meeting the national acceptance standard of the elevator, thereby being suitable for buildings with low top floors.

3. The counterweight main body, the counterweight wheel, the traction machine, the first car top wheel and the second car top mounting seat are all located on the rear side of the car, and the first car top wheel and the first car top mounting seat of the elevator are both located on two sides adjacent to the car door. The space in the hoistway can be fully utilized, the situation that all equipment is gathered on the same side and is overcrowded is avoided, and the situation that the area between the hoistway wall on one side and the elevator is overlarge due to the gathering of the equipment can be prevented.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 diagram of a machine room-less elevator according to an embodiment of the present invention;

fig. 2 is an elevation projection view of the elevator without a machine room according to the embodiment of the present invention;

fig. 3 is a horizontal projection view of the elevator without machine room according to the embodiment of the present invention;

fig. 4 is a horizontal perspective projection view of the elevator without machine room according to the embodiment of the present invention.

Reference numerals of the above figures: 101. a car; 102. a car bottom wheel; 201. a counterweight main body; 202. a counterweight wheel; 301. a traction machine; 302. dragging and mounting; 303. dragging a lower seat; 401. a first ceiling wheel; 402. a first car top mounting base; 501. a second ceiling wheel; 502. a second car top mounting seat; 601. and dragging the steel wire rope.

Detailed Description

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.

As shown in fig. 1 to 4, the elevator without machine room of the embodiment of the present invention includes:

the car 101, the car 101 includes the sedan-chair door that opens in the front of the car 101, and the sedan-chair door is as a part of the car 101. The bottom of car 101 is provided with sedan-chair return pulley 102, and sedan-chair return pulley 102's axis of rotation and sedan-chair door form first contained angle, and first contained angle is not less than 45 for sedan-chair return pulley 102 is located the comparatively central region in car 101 bottom all the time, thereby can stably lift car 101.

The counterweight is located on the rear side of the car 101, and includes a counterweight main body 201 and a counterweight wheel 202 provided on the upper portion of the counterweight main body 201. Preferably, the counterweight wheel 202 is rotatably connected with the counterweight main body 201 through a metal rod penetrating through the center of the circular surface of the counterweight wheel 202. The center of the counterweight wheel 202 coincides with the center of the counterweight main body 201. Preferably, in this embodiment, the counterweight wheel 202 is located at the upper part of the end of the counterweight main body 201 far from the ground when the counterweight main body 201 operates, so that the swinging of the counterweight main body 201 during the operation of the elevator can be reduced.

A traction machine 301, the traction machine 301 can be installed on the rear side of the car 101 through a traction machine 301 installation seat, and the traction machine 301 can be positioned in the middle or lower part of the wall of the back side of the car 101. The traction sheave of the traction machine 301 may be vertically disposed and the circular surface on which the traction sheave is disposed may be parallel to the rear wall of the elevator.

And two ends of the traction steel wire rope 601 are respectively connected to the top of one side of the well wall far away from the first car top wheel 401. Preferably, both ends of the traction wire rope 601 are close to the car door and far away from the car door, respectively, so that both ends of the traction wire rope 601 are separated, and the traction wire rope 601 is prevented from being wound due to the fact that the both ends are too close to each other. The traction wire rope 601 may be a carbon steel wire rope or a stainless steel wire rope. Of course, the material actually used for the hoisting rope 601 may be adjusted as necessary.

First sedan-chair top wheel 401, first sedan-chair top wheel 401 can vertically place, and first sedan-chair top wheel 401 can set up at the top of the wall of a well and be located the left side or the right side of car 101, and first sedan-chair top wheel 401 is located the rear portion of car 101, keeps away from the sedan-chair door setting promptly. The first ceiling wheel 401 is used to connect the traction machine 301 and the bottom wheel 102 by a traction wire rope 601.

Second sedan-chair top wheel 501, second sedan-chair top wheel 501 can vertically place, and second sedan-chair top wheel 501 sets up at the top of the wall of a well and is located the rear side of car 101, sets up the well top at the elevator rear portion promptly. The second ceiling wheel 501 is used to connect the traction machine 301 and the counterweight wheel 202 by a traction wire rope 601.

In this embodiment, the first ceiling wheel 401 and the second ceiling wheel 501 are respectively located above both sides of the hoisting machine 301, the bottom wheel 102 is located below the side of the first ceiling wheel 401 remote from the hoisting machine 301, and the counter wheel 202 is located below the side of the second ceiling wheel 501 remote from the hoisting machine 301. After passing through the bottom of the traction sheave of the traction machine 301, one end of the traction steel wire rope 601 sequentially passes through the first car top wheel 401 and the car bottom wheel 102 and then is connected with the top of the hoistway, and the other end of the traction steel wire rope sequentially passes through the second car top wheel 501 and the counterweight wheel 202 and then is connected with the top of the hoistway. The axes of the traction machine 301, the second ceiling wheel 501 and the counterweight wheel 202 may be parallel to each other, and the centers of the traction machine 301, the second ceiling wheel 501 and the counterweight wheel 202 may be on a straight line in the same projection plane. The center of the traction sheave of the traction machine 301 may form an angle of 90 ° with the center of the first ceiling sheave 401 on the projection plane, thereby changing the traveling direction of the traction wire rope 601. The rotating axis of the car bottom wheel 102 and the car door form a first included angle which is not less than 45 degrees, namely the center of the first car top wheel 401 and the center of the car bottom wheel 102 form an included angle of 90 degrees to 135 degrees on a projection plane, so that the traction steel wire rope 601 can bypass the area where the car 101 is located and the vertical height of the car 101 can be adjusted.

In an alternative embodiment, as shown in fig. 1, the number of the first ceiling wheels 401 is two, and the traction wire rope 601 protruding from the first ceiling wheels 401 in contact with the bottom wheels 102 is located just around the middle area of the car 101. At this time, the center of the bottom wheel 102 only needs to project at 90 degrees to the center of the first top wheel 401, and then the lifting work of the elevator can be completed.

In another alternative embodiment, as shown in fig. 4, the number of the first top wheels 401 is one, and the traction wire rope 601 protruding from the first top wheels 401 in contact with the bottom wheels 102 is located around the side of the car 101 away from the car door. At this time, the projection of the center of the bottom wheel 102 and the center of the first top wheel 401 is between 90 ° and 135 °.

In an embodiment not shown in the figures, when the side of the first top sheave 401 facing away from the hoisting machine 301 is parallel to the plane of the opposite side of the car door in the car 101, the center of the bottom sheave 102 projects at 135 ° from the center of the first top sheave 401, i.e., the bottom sheave 102 is located on a diagonal line of the car 101.

With the structure, when the tractor 301 runs, the traction wire rope 601 can be driven to move, so that the lift car 101 can be lifted. Preferably, the traction suspension ratio is 2: 1.

Two embodiments of the raising and lowering of the car 101 are shown below:

in an alternative embodiment, as shown in fig. 2, the traction machine 301 takes the traction wire rope 601 and carries the traction wire rope 601 from the second ceiling wheel 501 to the first ceiling wheel 401. At this time, the hoisting rope 601 between the hoisting machine 301 and the second ceiling wheel 501 is shortened, so that the counterweight 202 moves upward in the vertical direction, and the counterweight main body 201 moves upward in synchronization with the counterweight 202. At the same time, the traction rope 601 extending from the traction machine 301 to the first ceiling sheave 401 side causes the bottom sheave 102 to move downward in the vertical direction, and the cage 101 moves downward in synchronization with the bottom sheave 102.

In another alternative embodiment, as shown in fig. 2, the hoisting machine 301 carries the hoisting ropes 601 from the first ceiling wheel 401 to the second ceiling wheel 501. At this time, the counterweight 202 moves downward in the vertical direction due to the extension of the hoisting rope 601 from the hoisting machine 301 to the second ceiling wheel 501 side, and the counterweight main body 201 moves downward in synchronization with the counterweight 202. At the same time, the bottom sheave 102 moves upward in the vertical direction due to the shortening of the hoisting rope 601 from the hoisting machine 301 to the first ceiling sheave 401 side, and the cage 101 moves upward in synchronization with the bottom sheave 102.

By adopting the embodiment, the tractor 301 of the elevator without the machine room can realize the normal operation of the elevator only by being arranged below the second car top wheel 501. Thereby achieving the placement of the traction machine 301 at any vertical position from the second ceiling wheel 501 to the bottom of the hoistway, providing more places for the traction machine 301 to be placed. The counterweight main body 201, the counterweight wheel 202, the hoisting machine 301, the first ceiling wheel 401, the first ceiling mounting base 402, the second ceiling wheel 501, and the second ceiling mounting base 502 are all located outside the operating region of the car 101. I.e., none of the above structures is installed in the vertical space in which the car 101 travels, thereby saving space in the upper portion of the car 101. Can ensure that the height of the top floor is reduced to 3.3 meters on the premise of meeting the national acceptance standard of the elevator, thereby being suitable for buildings with low top floors. The counterweight main body 201, the counterweight wheel 202, the hoisting machine 301, the first car top wheel 401 and the second car top mounting seat 502 are all located on the rear side of the car 101, and the first car top wheel 401 and the first car top mounting seat 402 of the elevator are all located on two sides adjacent to a car door of the car 101. The space in the hoistway can be fully utilized, the situation that all equipment is gathered on the same side and is overcrowded is avoided, and the situation that the area between the hoistway wall on one side and the elevator is overlarge due to the gathering of the equipment can be prevented.

Specifically, the first ceiling wheel 401 may be fixed to the first ceiling mount 402 by U-bolts, and the first ceiling mount 402 may be fixed to an upper region of the car 101. Since the first ceiling mount 402 can be fixedly placed, the first ceiling wheel 401 can provide stable support for the traction wire rope 601 while the traction wire rope 601 passes through the first ceiling wheel 401. Compared with other types of bolts, the U-shaped bolts can more firmly fix the first car top wheel 401, and the use strength of the elevator is improved.

In a preferred embodiment, as shown in fig. 1, the first ceiling mount 402 is mounted 300mm high from the top of the hoistway such that the first ceiling wheels 401 are about 40 to 50 mm from the top of the hoistway after mounting. The distance between the first ceiling wheel 401 and the top of the shaft can be nearly limited, so that the space utilization rate in the shaft is improved.

Specifically, the second ceiling wheel 501 may be fixed to the second ceiling mounting base 502 by U-bolts, and the second ceiling mounting base 502 is fixed to an upper region of the counterweight main body 201. Since the second ceiling mounting 502 can be fixedly placed, the second ceiling wheel 501 can provide stable support for the hoisting wire rope 601 in the process of passing the hoisting wire rope 601 through the second ceiling wheel 501. Compared with other types of bolts, the U-shaped bolts can more firmly fix the second car top wheel 501, and the use strength of the elevator is improved.

In a preferred embodiment, as shown in fig. 1, the second ceiling mounting base 502 is mounted 500mm high from the top of the hoistway, so that the mounted second ceiling wheel 501 can be at a higher height, thereby increasing the adjustment range of the counterweight body 201.

Specifically, as shown in fig. 1 to 4, the bottom wheel 102 may be of a bottom-mounted structure, that is, the bottom wheel 102 is mounted at the lower part of the car 101 and is fixedly connected with the car 101. Because sedan-chair bottom wheel 102 is located the below of car 101 in the wheeled structure of collet, the wheeled structure of collet compares top hanging wheel formula structure atress better, and stability is higher.

Specifically, as shown in fig. 2, the number of the car bottom wheels 102 may be two, and the two car bottom wheels are respectively located at two opposite sides below the elevator, one of the car bottom wheels 102 is used for being connected with the first car top wheel 401 through the traction steel wire rope 601, and the other car bottom wheel 102 is used for being fixedly connected with the top of the hoistway through the traction steel wire rope 601, so that the car bottom wheels 102 are stressed more uniformly. Wrap angles of the traction steel wire rope 601 on the two bottom wheels 102 are both 90 degrees, so that the cage 101 can be ensured to run in the vertical direction under the condition that the requirement of the traction steel wire rope 601 is minimum.

Specifically, as shown in fig. 1, the hoisting machine 301 is mounted on a mounting base composed of an upper hoisting base 302 and a lower hoisting base 303. The traction upper seat 302 is located above the installation position of the traction machine 301, and can be used to prevent the traction machine 301 from moving upward in the vertical direction because the traction upper seat 302 can apply a downward force to the traction machine 301 when it moves upward. The traction lower seat 303 is located below the installation position of the traction machine 301 to provide the traction machine 301 with vertically upward support. The mounting seat consisting of the upper traction seat 302 and the lower traction seat 303 can make the traction machine 301 more firmly fixed after mounting.

Specifically, as shown in fig. 4, the counter wheel 202, the first ceiling wheel 401, and the second ceiling wheel 501 are all one in number. Wrap angles of the hoisting wire rope 601 on the traction sheave of the hoisting machine 301, the counterweight sheave 202, the first ceiling sheave 401 and the second ceiling sheave 501 are all 180 °. The guide effect of the traction steel wire rope 601 can be realized by arranging one pulley, so that the number of the counterweight wheel 202, the first car top wheel 401 and the second car top wheel 501 is one, the number of the pulleys can be saved, and the phenomenon that the elevator fault is increased due to the excessive pulleys is avoided.

Specifically, as shown in fig. 2, the diameter of the counterweight wheel 202 is not larger than the width of the counterweight main body 201 in the horizontal direction. Therefore, the counterweight wheel 202 can not occupy too much hoistway space in the process of transporting the counterweight main body 201 to move up and down, and the use space in the hoistway is saved.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. An elevator without a machine room, comprising:

the elevator comprises a lift car, wherein the lift car comprises a car door, the bottom of the lift car is provided with a car bottom wheel, and a first included angle is formed between the rotation axis of the car bottom wheel and the car door and is not less than 45 degrees;

the first car top wheel is arranged at the top of a well wall, is positioned on one side of the car and is positioned at the rear part of the car;

the traction machine is positioned in the middle or the lower part of the well wall and is positioned at the rear side of the lift car;

the second car top wheel is arranged at the top of the well wall and is positioned at the rear side of the car;

the counterweight is positioned at the rear side of the car and comprises a counterweight main body and a counterweight wheel arranged at the upper part of the counterweight main body;

two ends of the traction steel wire rope are respectively connected to the top of one side of the well wall, which is far away from the first car top wheel;

the traction steel wire rope sequentially penetrates through the first car top wheel, the traction machine, the second car top wheel and the counterweight wheel;

the axes of the traction machine, the second car top wheel and the counterweight wheel are parallel to each other;

the centers of the traction machine, the second car top wheel and the counterweight wheel are on the same straight line in the same projection plane.

2. The machine roomless elevator of claim 1, wherein the first ceiling wheel is secured to the first ceiling mount by a U-bolt.

3. The machine roomless elevator of claim 2, wherein the first ceiling mount is mounted 300mm high from a top of the hoistway.

4. The machine roomless elevator of claim 1, wherein the second ceiling wheel is secured to the second ceiling mount by a U-bolt.

5. The machine roomless elevator of claim 4, wherein the second ceiling mount is mounted 500mm high from the top of the hoistway.

6. The machine roomless elevator of claim 1, wherein the bottom wheels are of a bottom-mounted-wheel type structure.

7. The machine room-less elevator according to claim 6, wherein the number of the bottom wheels is two, and wrap angles of the traction wire ropes on the two bottom wheels are both 90 °.

8. The machine room-less elevator according to claim 1, wherein the traction machine is mounted on a mounting base consisting of an upper traction base and a lower traction base.

9. The machine room-less elevator according to claim 1, wherein the number of the counterweight sheave, the first ceiling sheave, and the second ceiling sheave is one, and wrap angles of the traction wire rope on the traction sheave of the traction machine, the counterweight sheave, the first ceiling sheave, and the second ceiling sheave are all 180 °.

10. The machine room-less elevator of claim 1, wherein the diameter of the counterweight wheel is not greater than the width of the counterweight body in the horizontal direction.