CN105668381A

CN105668381A - Rear-counter-weight machine-room-free elevator

Info

Publication number: CN105668381A
Application number: CN201610234522.7A
Authority: CN
Inventors: 高起鹏; 张继坤; 刘威; 贺敏鹏; 李果
Original assignee: XJ Elevator Co Ltd
Current assignee: Xiji Xunda Elevator Co., Ltd
Priority date: 2016-04-15
Filing date: 2016-04-15
Publication date: 2016-06-15
Anticipated expiration: 2036-04-15
Also published as: CN105668381B

Abstract

The invention relates to a rear-counter-weight machine-room-free elevator which comprises car guide rails, a car and a car rope head beam. Counter weight guide rails are arranged behind the car guide rails. A rear counter weight is installed on the counter weight guide rails. The car is connected with the rear counter weight through a steel wire rope. A top tractor is adopted, and the arrangement direction of the top tractor is parallel to a shaft wall. A plurality of guide wheels are omitted relative to the shaft bottom arrangement scheme, the steel wire rope is basically consistently used like a steel wire rope of a normal elevator, the requirements for a shaft are low, and the installation requirement can be met through a passenger elevator shaft of the normal standard. The tractor, the guide wheels and the counter weight rope head beam are integrally arranged, the rear-counter-weight machine-room-free elevator is directly hoisted and placed on site as a whole and is convenient to install, the center of the car can coincide with the center of the shaft, the size of the car is large in the width direction and small in the depth direction and matched with the size of cars of mainstream passenger elevators, and the requirements for symmetrically designing shafts for buildings can be met.

Description

Counterweight machine-roomless lift after one

Technical field

The present invention relates to a kind of elevators field, be specifically related to counterweight machine-roomless lift after one.

Background technology

Existing machine-roomless lift mostly is side counterweight, car size width is less, depth direction is bigger, and open the door what center was off relative to well center, it is biasing to the reserved door opening of hoistway, do not meet the requirement of building symmetric design, a kind of machine-roomless lift having machine room elevator hoistway requirement consistent with standard of market in urgent need. Then counterweight then can make car center overlap with well center, and car size is that width is big, and depth direction is little, and main flow elevator car size matches, and the arrangement of rear counterweight can meet the requirement of building symmetric design hoistway. Existing rear counterweight machine-roomless lift scheme has traction machine shaft bottom to arrange, this kind of scheme baudrier is excessively complicated, it is necessary to more directive wheel and longer steel wire rope, installs inconvenience and waste material. After another kind, counterweight machine-roomless lift scheme is that traction machine top is tilting, requires higher to hoistway, and in-site installation difficulty is bigger.

Summary of the invention

The technical problem to be solved is to provide a kind of counterweight machine-roomless lift, after it can realize, counterweight machine-roomless lift is arranged, meet car width big, the requirement that the degree of depth is little, meet the requirement that gate center, the Room overlaps with well center, the counterweight convenient requirement of machine-roomless lift in-site installation after meeting.

For achieving the above object, the technical scheme that the present invention takes is:

Counterweight machine-roomless lift after one, including the car guide rail being fixed on the well enclosure of both sides, it is arranged on the car on car guide rail, car guide rail top is fixed with lift car rope head beam, described car guide rail rear is provided with the counter weight guide track being fixed on the well enclosure of both sides, counterweight after installing on counter weight guide track, car is connected by steel wire rope with rear counterweight, the main load-bearing girder steel being fixed between the well enclosure of both sides it is provided with between car guide rail and counter weight guide track top, described car bottom surface is installed below the first sedan-chair frame wheel on the left of gate, diagonal angle place is taken turns in the first sedan-chair frame in car bottom surface the second sedan-chair frame wheel is installed, main load-bearing girder steel is fixedly arranged above traction machine in the second sedan-chair frame wheel, the rotating shaft of traction machine is parallel with rear well enclosure, it is installed below lower directive wheel in traction machine in the middle part of described car rear wall outer surface, main load-bearing girder steel rear wall is installed below upper directive wheel in traction machine, rear counterweight be arranged above two along rear counterweight width arrange to roller, in away from upper directive wheel, roller being fixedly arranged above counterweight fag end beam on main load-bearing girder steel rear wall, described steel wire rope one end is fixed on lift car rope head beam, the steel wire rope other end walks around the first sedan-chair frame wheel successively, second sedan-chair frame wheel, the traction sheave of traction machine, lower directive wheel, upper directive wheel, it is fixed on after two pairs of rollers on counterweight fag end beam.

Described lower directive wheel and upper directive wheel project tangent in the horizontal plane.

Described upper directive wheel and near directive wheel roller projection in the horizontal plane is tangent.

The present invention adopts overhead machine, and its arranged direction is parallel with rear well enclosure, relative shaft bottom arrangement has lacked multiple directive wheel, steel wire rope uses and normal elevator is basically identical, hoistway is required relatively low, arm's length standard elevator hoistway can meet installation requirement, traction machine, directive wheel, the integrated layout of counterweight fag end beam, on-the-spot directly integral hoisting is placed, easy for installation, and car center can be made to overlap with well center, car size is that width is big, depth direction is little, match with main flow elevator car size, and the requirement of building symmetric design hoistway can be met.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is the rearview of Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, the invention will be further described.

Such as Fig. 1, shown in Fig. 2, counterweight machine-roomless lift after one, including the car guide rail 1 being fixed on the well enclosure of both sides, it is arranged on the car 2 on car guide rail 1, car guide rail 1 top is fixed with lift car rope head beam 3, car guide rail rear is provided with the counter weight guide track 4 being fixed on the well enclosure of both sides, counterweight 5 after installing on counter weight guide track 4, car 2 is connected by steel wire rope 6 with rear counterweight 5, the main load-bearing girder steel 7 being fixed between the well enclosure of both sides it is provided with between car guide rail 1 and counter weight guide track 4 top, car bottom surface is installed below the first sedan-chair frame wheel 8 on the left of gate, diagonal angle place is taken turns in the first sedan-chair frame in car bottom surface the second sedan-chair frame wheel 9 is installed, main load-bearing girder steel 7 is fixedly arranged above traction machine 10 in the second sedan-chair frame wheel, the rotating shaft of traction machine 10 is parallel with rear well enclosure, it is installed below lower directive wheel 11 in traction machine in the middle part of car rear wall outer surface, main load-bearing girder steel 7 rear wall is installed below upper directive wheel 12 in traction machine, rear counterweight 5 be arranged above two along rear counterweight width arrange to roller, respectively first pair of roller 13 and second pair of roller 14, main load-bearing girder steel 7 rear wall is fixedly arranged above counterweight fag end beam 15 in second pair of roller 14, steel wire rope 6 one end is fixed on lift car rope head beam 3, steel wire rope 6 other end walks around the first sedan-chair frame wheel 8 successively, second sedan-chair frame wheel 9, the traction sheave of traction machine 10, lower directive wheel 11, upper directive wheel 12, it is fixed on counterweight fag end beam 15 after first pair of roller 13 and second pair of roller 14.

Lower directive wheel 11 and upper directive wheel 12 project tangent in the horizontal plane, and the projection in the horizontal plane of upper directive wheel and the first pair of roller is tangent so that steel wire rope does not have deflection, stress equalization.

The traction sheave of the application, lower directive wheel, upper directive wheel position can be interchangeable, namely traction sheave can lay respectively at lower directive wheel or the position of upper directive wheel, and traction sheave original position could alternatively be lower directive wheel or upper directive wheel, it is possible to meet different hoistway installation requirement.

Claims

1. counterweight machine-roomless lift after a kind, including the car guide rail being fixed on the well enclosure of both sides, it is arranged on the car on car guide rail, car guide rail top is fixed with lift car rope head beam, it is characterized in that: described car guide rail rear is provided with the counter weight guide track being fixed on the well enclosure of both sides, counterweight after installing on counter weight guide track, car is connected by steel wire rope with rear counterweight, the main load-bearing girder steel being fixed between the well enclosure of both sides it is provided with between car guide rail and counter weight guide track top, described car bottom surface is installed below the first sedan-chair frame wheel on the left of gate, diagonal angle place is taken turns in the first sedan-chair frame in car bottom surface the second sedan-chair frame wheel is installed, main load-bearing girder steel is fixedly arranged above traction machine in the second sedan-chair frame wheel, the rotating shaft of traction machine is parallel with rear well enclosure, it is installed below lower directive wheel in traction machine in the middle part of described car rear wall outer surface, main load-bearing girder steel rear wall is installed below upper directive wheel in traction machine, rear counterweight be arranged above two along rear counterweight width arrange to roller, in away from upper directive wheel, roller being fixedly arranged above counterweight fag end beam on main load-bearing girder steel rear wall, described steel wire rope one end is fixed on lift car rope head beam, the steel wire rope other end walks around the first sedan-chair frame wheel successively, second sedan-chair frame wheel, the traction sheave of traction machine, lower directive wheel, upper directive wheel, it is fixed on after two pairs of rollers on counterweight fag end beam.

2. rear counterweight machine-roomless lift according to claim 1, it is characterised in that: described lower directive wheel and upper directive wheel project tangent in the horizontal plane.

3. rear counterweight machine-roomless lift according to claim 1, it is characterised in that: described upper directive wheel and near directive wheel roller projection in the horizontal plane is tangent.