CN113104696B

CN113104696B - Low-top machine room-free elevator driven by back-lying rows

Info

Publication number: CN113104696B
Application number: CN202110462266.8A
Authority: CN
Inventors: 朱利强; 张光勤; 俞杰; 吴新火; 金计全
Original assignee: Sail Intelligent Elevator Suzhou Co ltd
Current assignee: Sail Intelligent Elevator Suzhou Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2023-03-24
Anticipated expiration: 2041-04-27
Also published as: CN113104696A

Abstract

The invention discloses a low-top-floor machine room-less elevator driven by back lying rows, which comprises a lift car, an upper fixed beam arranged in an elevator hoistway, a traction machine arranged on the upper fixed beam and a traction rope bypassing a traction sheave on the traction machine, wherein the traction machine is arranged on the side surface of the upper fixed beam, the rotating axis of the traction sheave extends along the vertical direction, and the elevator also comprises a guide assembly used for reversing the traction rope bypassing the traction sheave to extend along the vertical direction. The height of the top layer can be reduced by about 500MM, the manufacturing cost of a machine room-less elevator shaft is reduced, the length of the guide seat is adjusted by adjusting the number of the guide mounting plates, the position of the guide wheel is further adjusted, and the guide wheel structure can be simultaneously applied to the structures of the car bottom wheels or the car top wheels, and the structural universality is enhanced.

Description

Low-top machine room-free elevator driven by back-lying rows

Technical Field

The invention relates to a low-top-floor machine room-less elevator driven by back lying rows.

Background

The elevator without the machine room saves the arrangement space of the elevator machine room, so the elevator without the machine room has the advantages of compact structure, space saving, energy saving and high efficiency. The existing arrangement mode of the traction of the elevator without the machine room comprises longitudinal or transverse arrangement, namely, the axis of a traction sheave of a traction machine is vertical to the height direction of the hoistway, and in the two arrangement modes, the traction machine is required to be arranged above or below an upper fixed beam, so that the traction machine occupies part of the height of the hoistway, and therefore, the two arrangement modes cannot meet the requirement of further reducing the required height of the hoistway.

Disclosure of Invention

The invention aims to provide a low-top floor machine room-less elevator driven by a back lying row, which can further reduce the requirement on the height of a hoistway.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a low top layer no computer lab elevator of back of body row of lying drive, its includes the car, install in last fixed beam in the elevator well, install in hauler on last fixed beam and the towline of passing around the traction sheave on the hauler, the car is in the direction of removal in the well is the vertical direction, and the both ends of the towline of passing around the traction sheave are counterweight side end portion and car side end portion respectively, counterweight side end portion and car side end portion are fixed respectively on car side fag end subassembly and counterweight side fag end subassembly, the hauler install in on the side of last fixed beam, the axis of rotation of traction sheave is followed vertical direction extends, the elevator still includes and is used for making the towline that passes around the traction sheave change over into the direction guide assembly that extends along vertical direction.

Preferably, the guide assembly and the traction machine are respectively positioned on two sides of the upper fixed beam, the guide assembly and the traction machine comprise a plurality of groups of guide seats fixed on the upper fixed beam, and a plurality of guide wheels rotatably connected to the guide seats, and the rotation axes of the guide wheels are perpendicular to the rotation axis of the traction wheel.

Furthermore, the elevator comprises a counterweight wheel and a counterweight block, wherein the counterweight side end part of the traction rope bypasses the corresponding guide wheel and then bypasses the counterweight wheel from top to bottom and then upwards, and then is fixed with the counterweight side rope head assembly.

When the car comprises the car body and the car top wheel, the end part of the elevator car side of the hauling rope bypasses the corresponding guide wheel, then bypasses the car top wheel from top to bottom and then upwards, and is fixed with the car side rope head component; when the car includes car body and sedan-chair return pulley, the elevator car side tip of towline is walked around again from last to again to supreme after walking around sedan-chair return pulley rather than corresponding behind the leading wheel fixed mutually with car side fag end subassembly.

Furthermore, the guide holder comprises a plurality of guide mounting plates which are spliced in sequence in a ending mode.

Further, the tractor is a permanent magnet synchronous flat tractor.

The invention has the beneficial effects that: 1. the height of the top layer is reduced by about 500MM, and the cost of a machine room-less elevator shaft is reduced; 2. the encoder is positioned on the back of the traction sheave, and when the tractor lies on the back, the encoder faces upwards, so that the maintenance and the replacement of the rotary encoder of the main machine are facilitated; 3. usually, the door operator is positioned below the projection of the fixed beam and is easy to interfere with the fixed beam when running to the top layer, but the door operator cannot be interfered by the fixed beam when the lift car opens the door because the traction machine adopts a back lying row type; 4. the length of the guide seat is adjusted by adjusting the number of the guide mounting plates, so that the position of the guide wheel is adjusted to a structure suitable for a bottom wheel or a top wheel of the car; 5. the customization in large batch is convenient, and the replacement can be carried out on site; 6. the counterweight system containing the counterweight wheels is not limited by a shaft, and a counterweight system with a machine room can be adopted; 7. the leading wheel is far away from the car, and the noise in the car is lower during operation.

Drawings

Fig. 1 is a schematic view of an elevator in the first embodiment;

fig. 2 is a schematic view of an elevator in the second embodiment.

Detailed Description

The invention will be described in detail hereinafter with reference to an embodiment shown in the drawings.

Example one

As shown in fig. 1, the low-overhead machine room-less elevator driven by back-lying rows includes a counterweight sheave 1, a counterweight 2, a car 3, an upper fixed beam 4 installed in an elevator shaft, a traction machine 5 installed on the upper fixed beam 4, a traction rope 7 passing over a traction sheave 6 on the traction machine 5, and a guide assembly 8 for diverting the traction rope 7 passing over the traction sheave 6 to extend in an up-down direction. The direction in which the car 3 moves in the hoistway is the vertical direction, both ends of the hoisting rope 7 that goes around the hoisting sheave 6 are a counterweight-side end portion and a car-side end portion, respectively, and the counterweight-side end portion and the car-side end portion are fixed to a car-side head assembly 9 and a counterweight-side head assembly 10, respectively. The traction machine 5 is a permanent magnet synchronous flat traction machine 5. The traction machine 5 is arranged on the side surface of the upper fixed beam 4, and the rotating axis of the traction wheel 6 extends along the vertical direction, so that the height of the top layer is reduced, and the manufacturing cost of a machine room-less elevator shaft can be reduced; meanwhile, the position of the encoder is on the back of the traction sheave 6, and when the tractor 5 lies on the back, the encoder faces upwards, so that the maintenance and the replacement of the encoder are facilitated. The counterweight-side end of the hoisting rope 7 is passed around the corresponding guide sheave 12, passed around the counterweight wheel 1 from top to bottom, and fixed to the counterweight-side head assembly 10.

The cage 3 includes a cage body 30 and a bottom sheave 31, and the cage side end of the hoisting rope 7 is passed around the corresponding guide sheave 12, passed around the bottom sheave 31 from top to bottom, and fixed to the cage side head assembly 9.

The guiding component 8 and the traction machine 5 are respectively positioned at two sides of the upper fixed beam 4, and comprise a plurality of groups of guiding seats 11 fixed on the upper fixed beam 4 and a plurality of guiding wheels 12 rotatably connected on each guiding seat 11, wherein the rotating axes of the guiding wheels 12 are vertical to the rotating axis of the traction wheel 6. The guide holder 11 includes that the polylith finishes the guide mounting panel 111 of concatenation in proper order, through the quantity of adjustment guide mounting panel 111, adjusts the length of guide holder 11, and then the position of adjustment leading wheel 12 can be adjusted to the length that is fit for sedan-chair bottom wheel 31 at the installation scene.

Example two

As shown in fig. 2, the low-overhead machine room-less elevator driven by the back-lying row includes a counterweight sheave 1, a counterweight 2, a car 3, an upper fixed beam 4 installed in an elevator shaft, a traction machine 5 installed on the upper fixed beam 4, a traction rope 7 passing over a traction sheave 6 on the traction machine 5, and a guide assembly 8 for diverting the traction rope 7 passing over the traction sheave 6 to extend in the up-down direction. The direction in which the car 3 moves in the hoistway is the vertical direction, both ends of the hoisting rope 7 that goes around the hoisting sheave 6 are a counterweight-side end portion and a car-side end portion, respectively, and the counterweight-side end portion and the car-side end portion are fixed to a car-side head assembly 9 and a counterweight-side head assembly 10, respectively. The traction machine 5 is a permanent magnet synchronous flat traction machine 5. The traction machine 5 is arranged on the side surface of the upper fixed beam 4, and the rotating axis of the traction wheel 6 extends along the vertical direction, so that the height of the top layer is reduced, and the manufacturing cost of a machine room-less elevator shaft can be reduced; meanwhile, the position of the encoder is on the back of the traction sheave 6, and when the tractor 5 lies on the back, the encoder faces upwards, which is beneficial to the maintenance and replacement of the rotary encoder of the main machine. The counterweight-side end of the hoisting rope 7 is passed around the corresponding guide sheave 12, passed around the counterweight wheel 1 from top to bottom, and fixed to the counterweight-side head assembly 10.

The cage 3 includes a cage body 30 and a top sheave 32, and the cage-side end of the hoisting rope 7 is passed around the corresponding guide sheave 12, passed through the top sheave 32 from top to bottom, and fixed to the cage-side head assembly 9.

The guide assembly 8 and the traction machine 5 are respectively positioned at two sides of the upper fixed beam 4 and comprise a plurality of groups of guide seats 11 fixed on the upper fixed beam 4 and a plurality of guide wheels 12 rotatably connected on each guide seat 11, and the rotating axes of the guide wheels 12 are vertical to the rotating axis of the traction wheel 6. The guide seat 11 comprises a plurality of guide mounting plates 111 which are sequentially spliced in an ending manner, the length of the guide seat 11 is adjusted by adjusting the number of the guide mounting plates 111, and then the position of the guide wheel 12 is adjusted to be suitable for the length of the car top wheel 32 on the installation site.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low top layer no computer lab elevator of back of body row of lying drive, its includes the car, install in the elevator well last fixed beam, install in hauler on last fixed beam and the towline of haulage sheave that bypasses on the hauler, the car is in the direction of removal in the well is the vertical direction, and the both ends of the towline that bypasses the haulage sheave are counterweight side tip and car side tip respectively, counterweight side tip with car side tip respectively fixes on car side fag end subassembly and counterweight side fag end subassembly, its characterized in that: the traction machine is mounted on the side surface of the upper fixed beam, the rotation axis of the traction sheave extends along the vertical direction, the elevator further comprises a guide assembly used for reversing a traction rope bypassing the traction sheave into a traction rope extending along the vertical direction, the guide assembly and the traction machine are respectively positioned on two sides of the upper fixed beam, the guide assembly comprises a plurality of groups of guide seats fixed on the upper fixed beam, the guide wheels are rotatably connected to the guide seats, the guide seats are multiple, the rotation axis of the guide wheels is perpendicular to the rotation axis of the traction sheave, the elevator comprises a counterweight pulley and a counterweight block, the counterweight end part of the traction rope bypasses the guide wheels corresponding to the traction rope and then bypasses the counterweight pulley from top to bottom and then upwards and then is fixed with a counterweight side rope head assembly, the guide seats comprise a plurality of guide mounting plates which are sequentially spliced end to end, the elevator car comprises a car body, a car top wheel or a car bottom wheel, and when the elevator car comprises a car body and a car top wheel, the traction rope car bypasses the corresponding guide wheels and then bypasses the rear end assembly of the traction rope and then bypasses the car top wheel from top to bottom; when the car includes car body and sedan-chair return pulley, the elevator car side tip of towline is walked around again from last to again to supreme after walking around sedan-chair return pulley rather than corresponding behind the leading wheel fixed mutually with car side fag end subassembly.

2. The back-lying row driven low-overhead machine room-less elevator according to claim 1, wherein: the tractor is a permanent magnet synchronous flat tractor.