CN112374330B - A parallel car elevator suitable for small shafts - Google Patents

A parallel car elevator suitable for small shafts

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Publication number
CN112374330B
CN112374330B CN202011530079.0A CN202011530079A CN112374330B CN 112374330 B CN112374330 B CN 112374330B CN 202011530079 A CN202011530079 A CN 202011530079A CN 112374330 B CN112374330 B CN 112374330B
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CN
China
Prior art keywords
elevator
counterweight
ladder
rail bracket
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011530079.0A
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Chinese (zh)
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CN112374330A (en
Inventor
高起鹏
刘威
罗冠永
郭闯
程留涛
李同舟
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Xiji Xunda Elevator Co ltd
Original Assignee
Xiji Xunda Elevator Co ltd
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Priority to CN202011530079.0A priority Critical patent/CN112374330B/en
Publication of CN112374330A publication Critical patent/CN112374330A/en
Application granted granted Critical
Publication of CN112374330B publication Critical patent/CN112374330B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/12—Counterpoises
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/024—Lateral supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/026—Interconnections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

本发明公开了一种适用于小井道的并联轿厢电梯，包括设置在左梯轿厢和右梯轿厢之间井道的顶部的一体化主机梁及对重绳头固定梁和设置在左梯轿厢和右梯轿厢之间井道的底部的一体化共用支架；一体化主机梁及对重绳头固定梁的一端固定连接有左梯曳引机，另一端固定连接有右梯曳引机；一体化共用支架与一体化主机梁及对重绳头固定梁平行设置，与左梯曳引机一侧的一体化共用支架的一端固定连接有左梯对重导轨，与右梯曳引机一侧的一体化共用支架的一端固定连接有右梯对重导轨，左梯对重块和右梯对重块分别在左梯对重导轨和右梯对重导轨上滑动。此结构可实现井道的互相嵌入式异形布局，比两个单独方形电梯井占用的空间大幅减少，降低了空间成本。

The present invention discloses a parallel-car elevator suitable for a small hoistway, comprising an integrated main beam and a counterweight rope end fixing beam disposed at the top of the hoistway between the left and right elevator cars, and an integrated common bracket disposed at the bottom of the hoistway between the left and right elevator cars; one end of the integrated main beam and the counterweight rope end fixing beam is fixedly connected to the left elevator traction machine, and the other end is fixedly connected to the right elevator traction machine; the integrated common bracket is arranged parallel to the integrated main beam and the counterweight rope end fixing beam, one end of the integrated common bracket on the left elevator traction machine side is fixedly connected to the left counterweight guide rail, and one end of the integrated common bracket on the right elevator traction machine side is fixedly connected to the right counterweight guide rail, and the left and right counterweight blocks slide on the left and right counterweight guide rails, respectively. This structure enables mutually embedded special-shaped layouts of the hoistways, significantly reducing the space occupied by two separate square elevator shafts, thereby reducing space costs.

Description

Parallel car elevator applicable to small well
Technical Field
The invention relates to the technical field of elevator safety, in particular to a parallel car elevator applicable to a small well.
Background
The arrangement of adjacent elevators in the prior art is designed as an independent elevator respectively, the space of a hoistway is smaller, two adjacent elevator hoistways are communicated, the adjacent elevator hoistways are designed as an independent elevator respectively according to the prior art, the total occupied space of the hoistway is reduced by not fully utilizing the adjacent elevator hoistways, the total occupied space of the prior art is larger, and the building space and the cost cannot be effectively saved.
Disclosure of Invention
The invention aims to provide a parallel car elevator applicable to a small hoistway, so as to solve the problems. The invention adopts the following technical scheme:
The parallel elevator comprises a left elevator car, a right elevator car, a left elevator counterweight block, a right elevator counterweight block and two groups of steel wire ropes which are adjacently arranged, wherein the parallel elevator car, the right elevator car, the left elevator counterweight block, the right elevator counterweight block and the two groups of steel wire ropes comprise an integrated host beam and a counterweight rope head fixed beam which are arranged at the top of a well between the left elevator car and the right elevator car and an integrated common bracket which is arranged at the bottom of the well between the left elevator car and the right elevator car, one end of the integrated host beam and one end of the counterweight rope head fixed beam are fixedly connected with a left elevator traction machine, the other end of the integrated host beam and one end of the counterweight rope head fixed beam are fixedly connected with a right elevator counterweight guide rail, one end of the integrated common bracket on one side of the left elevator traction machine is fixedly connected with a right elevator counterweight guide rail, and the left elevator counterweight block slides up and down on the left elevator counterweight guide rail and the right elevator counterweight guide rail respectively.
Further, the integrated host beam and counterweight rope head fixing beam comprises a first host spandrel girder, a second host spandrel girder and a fixing piece which are arranged in parallel, wherein the first host spandrel girder and the second host spandrel girder are fixedly connected through the fixing piece, a left ladder counterweight rope head beam and a right ladder counterweight rope head beam are fixedly connected between the first host spandrel girder and the second host spandrel girder, a left ladder host fixing seat and a right ladder host fixing seat are respectively and fixedly connected to the first host spandrel girder and the second host spandrel girder above the counterweight rope head beam of Zuo Ti, and two ends of the left ladder host fixing seat and the right ladder host fixing seat are respectively connected to the first host spandrel girder and the second host spandrel girder.
Further, the bottoms of the left elevator car and the right elevator car are respectively connected with a left elevator car wheel and a right elevator car wheel in a rotating mode, the tops of the left elevator counterweight block and the right elevator counterweight block are respectively connected with a left elevator counterweight wheel and a right elevator counterweight wheel in a rotating mode, the tops of a left elevator car left side shaft and a right elevator car right side shaft are respectively fixedly connected with a left elevator car rope head frame and a right elevator car rope head frame, one ends of the two groups of steel wire ropes are respectively connected to the left elevator counterweight rope head beam and the right elevator counterweight rope head beam, and the two groups of steel wire ropes are respectively wound on traction wheels of a left elevator traction machine and a right elevator traction machine after being wound on the left elevator car wheel and the right elevator car wheel and then connected to the left elevator car rope head frame and the right elevator rope head frame.
Further, left ladder host computer fixing base and right ladder host computer fixing base slant are connected at first host computer spandrel girder and second host spandrel girder, left ladder host computer fixing base and right ladder host computer fixing base parallel arrangement.
Further, the first main machine spandrel girder and the second main machine spandrel girder are channel steel, and the fixing piece is angle steel.
Further, the integrated common support comprises two first track support beams, a second track support beam and support frames, wherein the first track support beams and the second track support beams are arranged in parallel, the support frames are fixedly connected with the bottoms of the first track support beams and the second track support beams, a left ladder main guide rail support and a right ladder main guide rail support are fixedly connected above the middle parts of the first track support beams and the second track support beams respectively, and a left ladder counterweight guide rail support, a common counterweight guide rail support and a right ladder counterweight guide rail support are fixedly connected between the first track support beams and the second track support beams.
Further, the first rail bracket beam, the second rail bracket beam and the supporting frame are all channel steel.
Further, the left ladder main guide rail support and the right ladder main guide rail support are angle steel symmetrically arranged, and the left ladder counterweight guide rail support, the common counterweight guide rail support and the right ladder counterweight guide rail support are angle steel.
The beneficial effects of the invention are as follows:
1. The elevator counterweight comprises an integrated host beam and counterweight rope end fixing beam which are arranged at the top of a hoistway between a left elevator car and a right elevator car and an integrated common support which is arranged at the bottom of the hoistway between the left elevator car and the right elevator car, wherein one end of the integrated host beam and counterweight rope end fixing beam is fixedly connected with a left elevator traction machine, the other end of the integrated common support is fixedly connected with a right elevator traction machine, the integrated common support is arranged in parallel with the integrated host beam and counterweight rope end fixing beam, one end of the integrated common support on one side of the left elevator traction machine is fixedly connected with a left elevator counterweight guide rail, one end of the integrated common support on one side of the right elevator traction machine is fixedly connected with a right elevator counterweight guide rail, and a left elevator counterweight block and a right elevator counterweight block respectively slide on the left elevator counterweight guide rail and the right elevator counterweight guide rail. Through this structure can realize the embedded dysmorphism overall arrangement of each other of well, the limited little space in the make full use of well, the space that occupies than two independent square elevator shafts reduces by a wide margin, has reduced space cost.
2. The integrated host beam and counterweight rope head fixing beam comprises a first host spandrel girder, a second host spandrel girder and a fixing piece which are arranged in parallel, wherein the first host spandrel girder and the second host spandrel girder are fixedly connected through the fixing piece, a left ladder counterweight rope head beam and a right ladder counterweight rope head beam are fixedly connected between the first host spandrel girder and the second host spandrel girder, a left ladder host fixing seat and a right ladder host fixing seat are respectively and fixedly connected to the first host spandrel girder and the second host spandrel girder above the Zuo Ti counterweight rope head beam and the right ladder counterweight rope head beam, and two ends of the left ladder host fixing seat and the right ladder host fixing seat are respectively connected to the first host spandrel girder and the second host spandrel girder. The hauler of two cabs sets up respectively on left ladder host computer fixing base and right ladder host computer fixing base, and left ladder is to heavy fag end roof beam and right ladder is to heavy fag end roof beam setting on first host computer spandrel girder and second host computer spandrel girder to set up in well middle part top between two cabs, consequently do not influence two cabs and move simultaneously, and use two independent fixed beam designs to compare respectively among the prior art, effectively save building space and cost. The left ladder host fixing seat and the right ladder host fixing seat are obliquely connected to the first host spandrel girder and the second host spandrel girder, and the left ladder host fixing seat and the right ladder host fixing seat are arranged in parallel.
3. The integrated common support comprises two first track support beams, a second track support beam and a support frame fixedly connected with the first track support beam and the second track support beam, wherein a left ladder main guide rail support and a right ladder main guide rail support are respectively and fixedly connected above the middle parts of the first track support beam and the second track support beam, and a left ladder counterweight guide rail support, a common counterweight guide rail support and a right ladder counterweight guide rail support are fixedly connected between the first track support beam and the second track support beam. The main guide rail support and the counterweight guide rail support of the two cabs are arranged on the first guide rail support and the second guide rail support and are arranged in the middle of a well between the two cabs, the structure does not influence the simultaneous operation of the two cabs, and compared with the design of using the two supports in the prior art, the structure effectively saves the building space and the cost.
Drawings
Fig. 1 is a top plan layout view of a layout of a mutually embedded profiled hoistway;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of an integrated main beam and counterweight rope end fixing beam in the present invention;
fig. 4 is a schematic perspective view of an integrated common bracket in the present invention.
The elevator is shown in the figure, wherein the elevator comprises a 1-left elevator shaft, a 2-right elevator shaft, a 3-left elevator car, a 4-right elevator car, a 5-integrated host girder, a counterweight rope fixing girder, a 501-first host girder, a 502-second host girder, a 503-right elevator counterweight rope head girder, a 504-right elevator host fixing seat, a 505-left elevator counterweight rope head girder, a 506-left elevator host fixing seat, 507-fixing pieces, a 6-integrated shared support, a 601-first rail support beam, a 602-second rail support beam, a 603-left elevator main rail support, a 604-right elevator main rail support, a 605-support frame, a 606-right elevator counterweight guide rail support, a 607-shared counterweight guide rail support, a 608-left elevator counterweight guide rail support, a 7-left elevator counterweight block, a 9-left elevator car wheel, a 10-right elevator car wheel, a 11-left elevator car rope headstock, a 12-right elevator car rope headstock, a 13-left elevator wheel, a 14-right elevator counterweight wheel, a 15-left elevator traction rope, a 16-right elevator rope, a wire rope and a 17-right elevator rope, and a wire rope hoist.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-4, the parallel elevator car elevator suitable for the small hoistway comprises a left elevator car 3, a right elevator car 4, a left elevator counterweight block 7, a right elevator counterweight block 8 and two groups of steel wires which are adjacently arranged, and further comprises an integrated host beam and counterweight rope end fixing beam 5 arranged at the top of the hoistway between the left elevator car 3 and the right elevator car 4 and an integrated common support 6 arranged at the bottom of the hoistway between the left elevator car 3 and the right elevator car 4, wherein one end of the integrated host beam and counterweight rope end fixing beam 5 is fixedly connected with a left elevator traction machine 17, the other end of the integrated host beam and counterweight rope end fixing beam 5 is fixedly connected with a right elevator traction machine 18, the integrated common support 6 is arranged in parallel with the integrated host beam and counterweight rope end fixing beam 5, one end of the integrated common support 6 on one side of the left elevator traction machine 17 is fixedly connected with a left elevator counterweight guide rail, one end of the integrated common support 6 on one side of the right elevator machine 18 is fixedly connected with a right elevator counterweight guide rail, and the left elevator counterweight block 7 and the right elevator counterweight block 8 slide on the left elevator counterweight guide rail and the right elevator counterweight guide rail respectively.
The integrated host beam and counterweight rope head fixing beam 5 comprises a first host spandrel beam 501, a second host spandrel beam 502 and a fixing piece 507 which are arranged in parallel, wherein the first host spandrel beam 501 and the second host spandrel beam 502 are fixedly connected through the fixing piece 507, a left ladder counterweight rope head beam 505 and a right ladder counterweight rope head beam 503 are fixedly connected between the first host spandrel beam 501 and the second host spandrel beam 502, a left ladder host fixing seat 506 and a right ladder host fixing seat 504 are respectively fixedly connected to the first host spandrel beam 501 and the second host spandrel beam 502 above the left ladder counterweight rope head beam 505 and the right ladder counterweight rope head beam 503, and two ends of the left ladder host fixing seat 506 and the right ladder host fixing seat 504 are respectively connected to the first host spandrel beam 501 and the second host spandrel beam 502.
The bottoms of the left elevator car 3 and the right elevator car 4 are respectively connected with a left elevator car wheel 9 and a right elevator car wheel 10 in a rotating way, the tops of the left elevator counterweight block 7 and the right elevator counterweight block 8 are respectively connected with a left elevator counterweight wheel 13 and a right elevator counterweight wheel 14 in a rotating way, the tops of a left side shaft of the left elevator car 3 and the tops of a right side shaft of the right elevator car 4 are respectively fixedly connected with a left elevator car rope head frame 11 and a right elevator car rope head frame 12, one ends of two groups of steel wire ropes are respectively connected to a left elevator counterweight rope head beam 505 and a right elevator counterweight rope head beam 503, the counterweights are respectively wound on traction wheels of a left elevator traction machine 17 and a right elevator traction machine 18 after being respectively wound on the left elevator car wheel 9 and the right elevator car wheel 10, and are respectively connected to the left elevator car rope head frame 11 and the right elevator car rope head frame 12 after being wound on the left elevator car wheel 9 and the right elevator car wheel 18.
The left ladder host fixing seat 506 and the right ladder host fixing seat 504 are obliquely connected to the first host spandrel girder 501 and the second host spandrel girder 502, and the left ladder host fixing seat 506 and the right ladder host fixing seat 504 are arranged in parallel. The first host spandrel girder 501 and the second host spandrel girder 502 are channel steel, and the fixing piece 507 is angle steel.
The integrated shared bracket comprises a first rail bracket beam 601, a second rail bracket beam 602, a support frame 605 fixedly connected with the first rail bracket beam 601 and the second rail bracket beam 602, wherein the support frame 605 is connected to the bottoms of the first rail bracket beam 601 and the second rail bracket beam 602, a left ladder main guide rail bracket 603 and a right ladder main guide rail bracket 604 are fixedly connected to the upper middle parts of the first rail bracket beam 601 and the second rail bracket beam 602 respectively, and a left ladder counterweight guide rail bracket 608, a shared counterweight guide rail bracket 607 and a right ladder guide rail bracket 606 are fixedly connected between the first rail bracket beam 601 and the second rail bracket beam 602. The left counterweight guide rail is mounted on a left ladder counterweight guide rail bracket 608 and a common counterweight guide rail bracket 607, and the left ladder counterweight block 7 moves up and down in the space enclosed by the first rail bracket beam 601, the second rail bracket beam 602, the left ladder counterweight guide rail bracket 608 and the common counterweight guide rail bracket 607. The right counterweight guide rail is mounted on a right ladder counterweight guide rail bracket 606 and a common counterweight guide rail bracket 607, and the right ladder counterweight moves up and down in a space enclosed by the first rail bracket cross beam 601, the second rail bracket cross beam 602, the right ladder counterweight guide rail bracket 606 and the common counterweight guide rail bracket 607.
The first rail bracket beam 601, the second rail bracket beam 602 and the support frame 605 are all channel steel. The left ladder main guide rail bracket 603 and the right ladder main guide rail bracket 604 are symmetrically arranged angle steels, and the left ladder counterweight guide rail bracket 608, the common counterweight guide rail bracket 607 and the right ladder counterweight guide rail bracket 606 are angle steels.
The above embodiments are only for illustrating the technical solution of the present invention and, although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention may be modified or equivalently replaced without departing from the spirit and scope of the present invention, and any modification or partial replacement thereof should be included in the scope of the claims of the present invention.

Claims (4)

1.一种适用于小井道的并联轿厢电梯，包括相邻设置的左梯轿厢、右梯轿厢、左梯对重块、右梯对重块和两组钢丝绳，其特征在于，包括设置在左梯轿厢和右梯轿厢之间井道的顶部的一体化主机梁及对重绳头固定梁和设置在左梯轿厢和右梯轿厢之间井道的底部的一体化共用支架；所述井道为互相嵌入式异形井道，一体化主机梁及对重绳头固定梁的一端固定连接有左梯曳引机，另一端固定连接有右梯曳引机；一体化共用支架与一体化主机梁及对重绳头固定梁平行设置，与左梯曳引机一侧的一体化共用支架的一端固定连接有左梯对重导轨，与右梯曳引机一侧的一体化共用支架的一端固定连接有右梯对重导轨，左梯对重块和右梯对重块分别沿左梯对重导轨和右梯对重导轨上上下滑动；一体化主机梁及对重绳头固定梁包括平行设置的第一主机承重梁和第二主机承重梁及固定件，第一主机承重梁和第二主机承重梁通过固定件固定连接；所述第一主机承重梁和第二主机承重梁之间固定连接有左梯对重绳头梁和右梯对重绳头梁，左梯对重绳头梁和右梯对重绳头梁设置在两个轿厢之间井道中部上方；左梯对重绳头梁和右梯对重绳头梁的上方第一主机承重梁和第二主机承重梁上分别固定连接有左梯主机固定座和右梯主机固定座，左梯主机固定座和右梯主机固定座的两端分别连接在第一主机承重梁和第二主机承重梁上；所述左梯轿厢和右梯轿厢的底部分别转动连接有左梯轿厢轮和右梯轿厢轮，左梯对重块和右梯对重块顶部转动连接有左梯对重轮和右梯对重轮，左梯轿厢左侧井道顶部和右梯轿厢右侧井道顶部分别固定连接有左梯轿厢绳头架和右梯轿厢绳头架，两组钢丝绳的一端分别连接在左梯对重绳头梁和右梯对重绳头梁上，再分别绕设在左梯对重轮和右梯对重轮后绕设在左梯曳引机和右梯曳引机的曳引轮上，再分别绕设在左梯轿厢轮和右梯轿厢轮后连接到左梯轿厢绳头架和右梯轿厢绳头架上；所述左梯主机固定座和右梯主机固定座斜向连接在第一主机承重梁和第二主机承重梁，左梯主机固定座和右梯主机固定座平行设置；1. A parallel car elevator suitable for a small hoistway, comprising a left elevator car, a right elevator car, a left elevator counterweight, a right elevator counterweight and two sets of steel ropes arranged adjacent to each other, characterized in that it comprises an integrated main beam and a counterweight rope head fixing beam arranged at the top of the hoistway between the left elevator car and the right elevator car, and an integrated common bracket arranged at the bottom of the hoistway between the left elevator car and the right elevator car; the hoistways are mutually embedded special-shaped hoistways, one end of the integrated main beam and the counterweight rope head fixing beam is fixedly connected to the left elevator traction machine, and the other end is fixedly connected to the right elevator traction machine; the integrated common bracket is fixed to the integrated main beam and the counterweight rope head The beams are arranged in parallel, and one end of the integrated common bracket on the left ladder traction machine side is fixedly connected to the left ladder counterweight guide rail, and one end of the integrated common bracket on the right ladder traction machine side is fixedly connected to the right ladder counterweight guide rail, and the left ladder counterweight block and the right ladder counterweight block slide up and down along the left ladder counterweight guide rail and the right ladder counterweight guide rail respectively; the integrated main machine beam and the counterweight rope head fixing beam include a first main machine load-bearing beam and a second main machine load-bearing beam and a fixing piece arranged in parallel, and the first main machine load-bearing beam and the second main machine load-bearing beam are fixedly connected by the fixing piece; the left ladder counterweight rope head beam and the right ladder counterweight rope head beam are fixedly connected between the first main machine load-bearing beam and the second main machine load-bearing beam The left and right elevator counterweight rope head beams are arranged above the middle of the shaft between the two elevator cars; the left and right elevator counterweight rope head beams are fixedly connected to the left and right elevator main machine fixing seats on the first and second main machine bearing beams above the left and right elevator counterweight rope head beams, and the two ends of the left and right elevator main machine fixing seats are respectively connected to the first and second main machine bearing beams; the bottoms of the left and right elevator cars are rotatably connected to the left and right elevator car wheels, and the tops of the left and right elevator counterweight blocks are rotatably connected to the left and right elevator counterweight wheels, and the left side of the left elevator car The top of the shaft and the top of the right side of the shaft of the right elevator car are respectively fixedly connected with the left elevator car rope head frame and the right elevator car rope head frame, one end of the two sets of steel wire ropes are respectively connected to the left ladder counterweight rope head beam and the right ladder counterweight rope head beam, and then respectively wound around the left ladder counterweight wheel and the right ladder counterweight wheel, and then wound around the traction wheels of the left ladder traction machine and the right ladder traction machine, and then respectively wound around the left ladder car wheel and the right ladder car wheel, and then connected to the left ladder car rope head frame and the right ladder car rope head frame; the left ladder main machine fixing seat and the right ladder main machine fixing seat are obliquely connected to the first main machine load-bearing beam and the second main machine load-bearing beam, and the left ladder main machine fixing seat and the right ladder main machine fixing seat are arranged in parallel; 一体化共用支架包括两个平行设置的第一轨道支架横梁、第二轨道支架横梁和固定连接第一轨道支架横梁、第二轨道支架横梁的支撑架，所述支撑架连接在第一轨道支架横梁和第二轨道支架横梁的底部；第一轨道支架横梁和第二轨道支架横梁中部上方分别固定连接有左梯主导轨支架和右梯主导轨支架；所述第一轨道支架横梁和第二轨道支架横梁之间固定连接有左梯对重导轨支架、共用对重导轨支架和右梯对重导轨支架；两个轿厢的主导轨支架和对重导轨支架都设置在第一轨道支架横梁和第二轨道支架横梁上，并设置在两个轿厢之间井道中部。The integrated common bracket includes two parallel first rail bracket beams, a second rail bracket beam and a support bracket fixedly connected to the first rail bracket beam and the second rail bracket beam, and the support bracket is connected to the bottom of the first rail bracket beam and the second rail bracket beam; the left elevator main rail bracket and the right elevator main rail bracket are fixedly connected above the middle of the first rail bracket beam and the second rail bracket beam respectively; the left elevator counterweight guide rail bracket, the common counterweight guide rail bracket and the right elevator counterweight guide rail bracket are fixedly connected between the first rail bracket beam and the second rail bracket beam; the main rail brackets and counterweight guide rail brackets of the two cars are both arranged on the first rail bracket beam and the second rail bracket beam, and are arranged in the middle of the shaft between the two cars. 2.根据权利要求1所述的一种适用于小井道的并联轿厢电梯，其特征在于，所述第一主机承重梁和第二主机承重梁为槽钢，所述固定件为角钢。2. A parallel car elevator suitable for a small hoistway according to claim 1, characterized in that the first main engine load-bearing beam and the second main engine load-bearing beam are channel steels, and the fixing parts are angle steels. 3.根据权利要求2所述的一种适用于小井道的并联轿厢电梯，其特征在于，所述第一轨道支架横梁、第二轨道支架横梁和支撑架均为槽钢。3. A parallel car elevator suitable for a small shaft according to claim 2, characterized in that the first rail support beam, the second rail support beam and the support frame are all channel steels. 4.根据权利要求3所述的一种适用于小井道的并联轿厢电梯，其特征在于，所述左梯主导轨支架和右梯主导轨支架均为对称设置的角钢，所述左梯对重导轨支架、共用对重导轨支架和右梯对重导轨支架均为角钢。4. A parallel car elevator suitable for a small shaft according to claim 3, characterized in that the left elevator main rail bracket and the right elevator main rail bracket are both symmetrically arranged angle steels, and the left elevator counterweight guide rail bracket, the common counterweight guide rail bracket and the right elevator counterweight guide rail bracket are all angle steels.
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