CN213011494U

CN213011494U - Traction rope wheel type elevator without machine room

Info

Publication number: CN213011494U
Application number: CN202021463239.XU
Authority: CN
Inventors: 旦唐华; 聂朝辉; 蒋虎; 范林忠; 邓山涛; 肖虎; 王文; 廖友
Original assignee: Chengdu Canny Elevator Co ltd
Current assignee: Chengdu Canny Elevator Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-20
Anticipated expiration: 2030-07-22

Abstract

The application provides a traction sheave type machine room-less elevator, which relates to the technical field of machine room-less elevators and comprises a lift car, a traction sheave and a traction sheave, wherein the lift car ascends and descends in a hoistway; a counterweight that ascends and descends in a direction opposite to the car; a cage guide rail for guiding the cage to vertically move up and down; a counterweight guide rail for guiding the counterweight to vertically lift; a rope suspending the car and the counterweight; and the hauler, driving sheave and car rope sheave, it includes counterweight block and counterweight frame to heavily, counterweight frame includes a pair of horizontal pole and a pair of stand, synthetic frame is enclosed to a pair of horizontal pole and a pair of stand, a pair of stand is located to the card respectively at counterweight block both ends, rotatable the connection that a pair of stand is parallel to each other is used for locking counterweight block in a pair of horizontal pole, adopt the rotatable mode of connecting of stand, cooperate in the block opening to counterweight block, there is the surplus when realizing when the installation between counterweight block and the counterweight frame, make counterweight block put into easily, after placing the completion, through rotating the stand, make the surplus disappear, thereby make stand locking counterweight block.

Description

Traction rope wheel type elevator without machine room

Technical Field

The application relates to the technical field of elevator without a machine room, in particular to a traction sheave elevator without a machine room.

Background

Elevators have a relatively long history as a means of carrying people and goods and have become an integral part of modern buildings. Elevator technology is also advancing in an ever-increasing fashion to meet the demands of the building market. The technology of elevator without machine room has been relatively mature from the initial development of the nineties to date. The elevator without the machine room has compact structure, saves space, saves energy and has high efficiency, and is particularly suitable for buildings with limited top floors due to the fact that the necessity of the machine room is reduced. In fact, for buildings with limited top floors, no-machine-room elevators are needed to meet the requirements. Meanwhile, the design technology of the elevator without the machine room provides a wider space for architects to design novel buildings. As such traction type machineroom-less elevators are becoming more and more accepted by the market.

The elevator counterweight device is a component of an elevator traction system, is arranged in an elevator hoistway and is connected with a car through a traction sheave by a traction rope, and in the movement process of the elevator, the elevator counterweight device slides up and down along a counterweight guide rail by a counterweight guide shoe, so as to balance the weight of the car.

The elevator counterweight device comprises an elevator counterweight frame and an elevator counterweight block arranged in the elevator counterweight frame, and the elevator counterweight device plays a very important role in balancing the elevator car and saving energy consumption of the whole elevator car. Generally, the elevator counterweight block is a solid and rectangular block-shaped structure, two sides of the block-shaped structure protrude outwards to form symmetrical clamping convex blocks, the two clamping convex blocks are both positioned in the middle positions of two sides of the elevator counterweight block, so that the elevator counterweight block is clamped with corresponding grooves of the counterweight frame through the clamping convex blocks, the elevator counterweight block is installed in the counterweight frame, however, the mass of the elevator counterweight block is far larger than that of an upright post of the counterweight frame, and two sides of the clamping convex blocks of the elevator counterweight block are empty, so that the elevator counterweight block is easy to shake with the upright post in the lifting process, and the running stability of the elevator is affected; moreover, because the both sides of block lug are the well space that does not utilize, so indirect whole space utilization who reduces elevator counterweight, can't satisfy current demand, prior art solves above problem through setting up block opening and stand cooperation to the pouring weight both ends at present, but still exists to pouring weight and stand and has the clearance, leads to taking place the displacement easily to the pouring weight.

Content of application

An object of this application provides a wheeled no computer lab elevator of haulage rope, its mode that adopts the rotatable connection of stand cooperates in the block opening to the pouring weight, realizes having the surplus when the installation between pouring weight and the counterweight frame for put into the counterweight frame easily to the pouring weight, after placing the completion, through rotating the stand, make the surplus disappear, thereby make stand locking to the pouring weight.

The embodiment of the application is realized by the following technical scheme:

a traction sheave type machine room-less elevator includes a car which ascends and descends in a hoistway; a counterweight that ascends and descends in a direction opposite to the car; a cage guide rail for guiding the cage to vertically move up and down; a counterweight guide rail for guiding the counterweight to vertically lift; a rope suspending the car and the counterweight; and hauler, driving sheave and car rope sheave, to heavy including counterweight block and counterweight frame, counterweight frame includes a pair of horizontal pole and a pair of stand, synthetic frame is enclosed to a pair of horizontal pole and a pair of stand, a pair of stand is located to counterweight block both ends card respectively, and rotatable the connection that is parallel to each other of a pair of stand is used for locking counterweight block in a pair of horizontal pole.

Further, the stand includes dead lever and dwang, the dead lever be parallel to each other connect in a pair of horizontal pole, the dead lever is located to the rotatable cover of dwang, and the cross section of dwang is oval.

Further, the cross section of the upright post is oval.

Furthermore, the tractor is a permanent magnet gearless tractor and is arranged at the top end of the guide rail, and the horizontal plane projection of the traction wheel and the car rope wheel is in linear distribution.

Furthermore, the counterweight block comprises a counterweight block body, the left end and the right end of the counterweight block body are respectively provided with an extending part, and the extending parts are provided with clamping openings for clamping with the stand columns.

Furthermore, the counterweight body comprises a hollow frame structure, and a filling layer is filled in the frame structure.

Further, the filling layer is a metal leftover filling layer.

Further, the carrying handle is arranged on the counterweight body.

Further, the clamping opening is located in the middle of the extending portion.

The technical scheme of the embodiment of the application has at least the following advantages and beneficial effects:

this application reasonable in design, simple structure adopt the rotatable mode of connecting of stand, cooperate in the block opening to the pouring weight, realize when the installation to the pouring weight and to having the surplus between the heavy frame for put into the heavy frame easily to the pouring weight, after placing the completion, through rotating the stand, make the surplus disappear, thereby make stand locking to the pouring weight.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a traction sheave elevator without a machine room provided in embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a counterweight provided in embodiment 1 of the present application;

fig. 3 is a top sectional view of a counterweight provided in embodiment 1 of the present application;

icon: 1-car rope pulley, 2-traction sheave, 3-counterweight rope pulley, 4-car, 5-counterweight, 51-counterweight, 511-counterweight body, 512-extension part, 513-clamping opening, 514-carrying handle, 52-counterweight frame, 521-cross bar, 522-upright post, 522 a-fixing bar, 522 b-rotating bar, 61-guide rail for car, 62-guide rail for counterweight, 7-steel wire rope sling, 8-traction machine, 9-buffer and 10-cross beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1

A traction sheave type machine room-less elevator, a cage 4 and a pair of cage sheaves 1, a counterweight 5 and a counterweight sheave 3 arranged on the counterweight 5, a traction machine 8 arranged on the top of a hoistway, two rows of guide rails for the cage 4 to ascend and descend, the guide rails guiding the cage 4 to vertically move up and down in the hoistway, two rows of guide rails for the counterweight 5 to vertically ascend and descend, a set of wire rope sling 7 connecting the cage 4 and the counterweight 5, a buffer 9 arranged in a pit, the traction machine 8 arranged on the top of the hoistway and supported by a beam 10, the traction machine 8 can be directly mounted on the beam 10 or hung below the beam 10, the traction sheave 2 is a power output part of the traction machine 8 and represents the position of the traction machine 8, the traction sheave 2 and the cage sheaves 1 are arranged in a straight line in a horizontal plane projection, when in operation, the traction sheave 2 is driven by the traction machine 8 to rotate, the cage 4 and the counterweight 5 to ascend and descend, the car 4 vertically ascends and descends in the hoistway along the guide rails, and the counterweight 5 ascends and descends in the opposite direction to the car 4 along the guide rails. The tractor 8 adopts a permanent magnet gearless tractor 8, so that the energy is saved, the efficiency is high, the maintenance is less, the oil pollution is avoided, the service life is long, and the safety and the reliability are realized; the traction sheave 2 and the car rope sheave 1 are linearly arranged on a horizontal projection plane, so that the influence of torsional vibration on the car 4 caused by a steel wire rope between the traction sheave 2 and the car rope sheave 1 is effectively avoided. The elevator hoisting machine 8 is arranged on top of the elevator shaft in the space between the safety space required by the path of the car 4 and its overhead extension and a side wall of the elevator shaft; the elevator traction machine 8 can be fixed at the uppermost end of the guide rail, and can also be positioned at the top of the hoistway and connected and fixed with the wall or the top plate of the hoistway through a bearing beam or a bracket, so that the influence of water leakage of a building on the elevator is reduced to the minimum, and the elevator traction machine has the advantages of simple structure and no machine room.

In this embodiment, the counterweight 5 includes the counterweight 51 and the counterweight 5 frame, the counterweight 5 frame includes a pair of horizontal bars 521 and a pair of columns 522, the pair of horizontal bars 521 and the pair of columns 522 enclose a frame, two ends of the counterweight 51 are respectively clamped on the pair of columns 522, the pair of columns 522 are mutually parallel and rotatably connected to the pair of horizontal bars 521 for locking the counterweight 51, the column 522 is rotatably connected to be matched with the clamping opening 513 of the counterweight 51, so that when the counterweight 51 is installed, a margin is left between the counterweight 51 and the counterweight 5 frame, the counterweight 51 is easily placed into the counterweight 5 frame, and after the counterweight is placed, the column 522 is rotated to eliminate the margin, so that the columns 522 lock the counterweight 51.

Specifically, the cross section of the upright post 522 is an ellipse, and with the above design, when the counterweight 51 is placed in, the upright post 522 is rotated, so that the long axis of the upright post 522 is along the fastening opening 513 of the counterweight 51, and the width after the fastening opening is greater than the short axis of the upright post 522, so that the counterweight 51 can be easily placed in, after the placement is completed, the upright post 522 is rotated again, so that the upright post 522 is fastened to the counterweight 51, that is, the upright post 522 abuts against the fastening opening 513 of the counterweight 51, the upright post 522 has another embodiment, the upright post 522 includes a fixing rod 522a and a rotating rod 522b, the fixing rod 522a is connected to the pair of cross bars 521 in parallel, the rotating rod 522b is rotatably sleeved on the fixing rod 522a, and the cross section of the rotating rod 522b is an ellipse, and it should be noted that after the last upright post 522 abuts against the counterweight 51, the upright post 522 needs to be locked, the locking can be realized by adopting a bolt mode.

The counterweight 51 comprises a counterweight body 511, the left end and the right end of the counterweight body 511 are respectively provided with an extending part 512, the extending part 512 is provided with a clamping opening 513 for clamping with the upright post 522, when the clamping opening 513 is matched with the upright post 522, the counterweight 51 is stably connected with the counterweight 5 frame, and external counterweight 5 guide shoes (not shown) can be installed at four corners of the counterweight 5 frame, so that the extending part 512 is arranged around the upright post 522, the stable connection between the counterweight 51 and the upright post 522 in the lifting process of the elevator is realized, by adopting the design, the spaces at two sides of the upright post 522 are fully utilized, thus the transverse area of the counterweight 51 is increased by the extension of the extending part 512, the overall superimposed height of the counterweight 51 by the elevator is reduced, the requirements on the top floor height and the bottom floor depth of a hoistway are indirectly reduced, and the applicability of the elevator is improved, preferably, the engaging opening 513 is located in the middle of the extending portion 512, so as to improve the stability of the elevator when the weight 51 is lifted.

Particularly, including being hollow frame construction to pouring weight body 511, the frame construction intussuseption is filled with the filling layer, and frame construction's setting can be great improvement to the accuracy of pouring weight body 511's corresponding size, so only need produce the higher frame construction of size accuracy in advance during production, improve the quality to pouring weight body 511 through the mode of filling in frame construction again, so not only can improve the size accuracy to pouring weight body 511, effectively reduce manufacturing cost in addition in order to satisfy the production demand. For example, the frame structure is formed by bending and welding sheet metal, so that the dimensional accuracy is improved. The filling layer is a metal leftover filling layer, so that the production cost is effectively reduced, particularly, the filling layer is made of a mixture of metal leftover materials, quartz sand, cement and the like, and cheap filling materials are used for filling, so that the production cost is reduced, preferably, the filling material consists of 90% of metal leftover materials, 3.5% of cement and 6.5% of quartz sand, and the overall density of the elevator counterweight 51 can reach 5.5 multiplied by 10 < -6 > kg/mm3, but not limited to.

In other embodiments, the pair of weights 51 further comprises a carrying handle 514 mounted to the pair of weight bodies 511, and the carrying handle 514 is provided to facilitate mounting and carrying. Specifically, inwards cave in and form the installation breach to the leading flank and the trailing flank of pouring weight body 511, transport handle 514 is connected in the installation breach, and the setting of installation breach can make transport handle 514 place in can in the installation breach to effectively avoid transport handle 514 and external environment to take place to interfere, thereby effectively avoid the damage of transport handle 514, more excellent is, the installation breach is oval-shaped, thereby cooperates with the transport handle 514 of horizontal setting. The number of the carrying handles 514 on the front side surface of the counterweight body 511 is equal to the number of the carrying handles 514 on the rear side surface of the counterweight body 511, and the carrying handles 514 on the front side surface of the counterweight body 511 and the carrying handles 514 on the rear side surface of the counterweight body 511 are symmetrically arranged, so that the elevator counterweight body 51 is easy to keep balance during carrying.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A traction sheave type machine room-less elevator includes a car which ascends and descends in a hoistway; a counterweight that ascends and descends in a direction opposite to the car; a cage guide rail for guiding the cage to vertically move up and down; a counterweight guide rail for guiding the counterweight to vertically lift; a rope suspending the car and the counterweight; and hauler, driving sheave and car rope sheave, its characterized in that: the counterweight comprises a counterweight block and a counterweight frame, the counterweight frame comprises a pair of cross rods and a pair of stand columns, the pair of cross rods and the pair of stand columns enclose a synthetic frame, two ends of the counterweight block are respectively clamped on the pair of stand columns, and the pair of stand columns are mutually parallel and rotatably connected to the pair of cross rods to lock the counterweight block.

2. The traction sheave elevator without machine room of claim 1, characterized in that: the stand includes dead lever and dwang, the dead lever be parallel to each other connect in a pair of horizontal pole, the dead lever is located to the rotatable cover of dwang, and the cross section of dwang is oval.

3. The traction sheave elevator without machine room of claim 1, characterized in that: the cross section of the upright post is oval.

4. The traction sheave elevator without machine room of claim 1, characterized in that: the traction machine is a permanent magnet gearless traction machine and is arranged at the top end of the guide rail, and the horizontal plane projection of the traction wheel and the car rope wheel is in linear distribution.

5. The traction sheave elevator without machine room of claim 1, characterized in that: the counterweight block comprises a counterweight block body, the left end and the right end of the counterweight block body are respectively provided with an extending part, and the extending parts are provided with clamping openings for clamping with the stand columns.

6. The traction sheave elevator without machine room of claim 5, characterized in that: the counterweight body comprises a hollow frame structure, and a filling layer is filled in the frame structure.

7. The traction sheave elevator without machine room of claim 6, characterized in that: the filling layer is a metal leftover filling layer.

8. The traction sheave elevator without machine room of claim 5, characterized in that: the weight body is provided with a carrying handle which is arranged on the weight body.

9. The traction sheave elevator without machine room of claim 5, characterized in that: the clamping opening is located in the middle of the extending portion.