A parallel car elevator suitable for small shafts

Abstract

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

Technical Field

[0001] The present invention relates to the technical field of elevator safety, and in particular to a parallel car elevator suitable for a small hoistway. Background Art

[0002] In the prior art, adjacent elevators are still arranged as separate elevators and designed separately. The shaft space is relatively small. The shafts of two adjacent elevators are connected. According to the prior art, each elevator is designed as a separate elevator, and the adjacent elevator shafts are not fully utilized to reduce the total shaft space occupied. The total space occupied by the prior art is relatively large, and it cannot effectively save building space and cost. Summary of the Invention

[0003] The purpose of the present invention is to provide a parallel car elevator suitable for small shafts to solve the above problems. The present invention adopts the following technical solutions:

[0004] The elevator car is connected to the elevator car by a plurality of lifting devices, and the lifting device is connected to the elevator car by a plurality of lifting devices.

[0005] Furthermore, the integrated main machine beam and counterweight rope head fixing beam include a first main machine load-bearing beam and a second main machine load-bearing beam and fixing parts arranged in parallel, and the first main machine load-bearing beam and the second main machine load-bearing beam are fixedly connected by fixing parts; 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, and the left ladder main machine fixing seat and the right ladder main machine fixing seat are fixedly connected on the first main machine load-bearing beam and the second main machine load-bearing beam above the left ladder counterweight rope head beam and the right ladder counterweight rope head beam, respectively, and the two ends of the left ladder main machine fixing seat and the right ladder main machine fixing seat are respectively connected to the first main machine load-bearing beam and the second main machine load-bearing beam.

[0006] Furthermore, the bottom of the left and right elevator cars are rotatably connected to the left elevator car wheels and the right elevator car wheels respectively, the top of the left and right elevator counterweight blocks are rotatably connected to the left counterweight wheels and the right elevator counterweight wheels, the top of the left side of the left elevator car and the top of the right side of the right elevator car are fixedly connected to the left elevator car rope end frame and the right elevator car rope end frame respectively, one end of the two sets of steel ropes are respectively connected to the left counterweight rope end beam and the right counterweight rope end beam, and then respectively wound around the left counterweight wheel and the right counterweight wheel, and then wound around the traction wheels of the left and right elevator traction machines, and then respectively wound around the left and right elevator car wheels, and then connected to the left and right elevator car rope end frames.

[0007] Furthermore, the left mainframe fixing seat and the right mainframe fixing seat are obliquely connected to the first mainframe load-bearing beam and the second mainframe load-bearing beam, and the left mainframe fixing seat and the right mainframe fixing seat are arranged in parallel.

[0008] Furthermore, the first mainframe load-bearing beam and the second mainframe load-bearing beam are channel steels, and the fixing members are angle steels.

[0009] Furthermore, 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, the support bracket is connected to the bottom of the first rail bracket beam and the second rail bracket beam; the left ladder main rail bracket and the right ladder main rail bracket are fixedly connected above the middle of the first rail bracket beam and the second rail bracket beam respectively; the left ladder counterweight guide rail bracket, the common counterweight guide rail bracket and the right ladder counterweight guide rail bracket are fixedly connected between the first rail bracket beam and the second rail bracket beam.

[0010] Furthermore, the first track support cross beam, the second track support cross beam and the support frame are all channel steels.

[0011] Furthermore, the left ladder main rail bracket and the right ladder main rail bracket are both symmetrically arranged angle steels, and the left ladder counterweight guide rail bracket, the common counterweight guide rail bracket and the right ladder counterweight guide rail bracket are all angle steels.

[0012] The beneficial effects of the present invention are as follows:

[0013] The present invention comprises an integrated main beam and 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. The integrated main beam and counterweight rope end fixing beam are fixedly connected at one end to the left hoisting machine and at the other end to the right hoisting machine. The integrated common bracket is arranged parallel to the integrated main beam and counterweight rope end fixing beam. One end of the integrated common bracket on the left hoisting machine side is fixedly connected to the left counterweight guide rail, while one end of the integrated common bracket on the right hoisting machine side is fixedly connected to the right counterweight guide rail. The left and right counterweight blocks slide on the left and right counterweight guide rails, respectively. This structure enables a mutually embedded, special-shaped hoistway layout, fully utilizing the limited space within the hoistway. This significantly reduces the space occupied by two separate square elevator shafts, thereby reducing space costs.

[0014] 2. The integrated main frame beam and counterweight rope end fixing beam of the present invention include two parallel first main frame load-bearing beams, a second main frame load-bearing beam, and fixings. The first main frame load-bearing beam and the second main frame load-bearing beam are fixedly connected by fixings. The left and right counterweight rope end beams are fixedly connected between the first and second main frame load-bearing beams. The left and right main frame fixing seats are fixedly connected to the first and second main frame load-bearing beams above the left and right counterweight rope end beams, respectively. The ends of the left and right main frame fixing seats are connected to the first and second main frame load-bearing beams, respectively. The traction machines of the two elevator cars are respectively mounted on the left and right main frame fixing seats. The left and right counterweight rope end beams are mounted on the first and second main frame load-bearing beams and are located above the middle of the shaft between the two elevator cars. Therefore, the simultaneous operation of the two elevator cars is not affected. Compared with the prior art design of using two independent fixing beams, the design effectively saves building space and costs. The left ladder main engine fixing seat and the right ladder main engine fixing seat are obliquely connected to the first main engine load-bearing beam and the second main engine load-bearing beam, and the left ladder main engine fixing seat and the right ladder main engine fixing seat are arranged in parallel. This structure can ensure the connection strength of the left ladder main engine fixing seat and the right ladder main engine fixing seat while increasing the installation space of the traction machine.

[0015] 3. The integrated shared bracket of the present invention includes two parallel first rail bracket crossbeams, a second rail bracket crossbeam, and a support bracket fixedly connected to the first and second rail bracket crossbeams. The left and right main rail brackets are fixedly connected to the upper middle portions of the first and second rail bracket crossbeams, respectively. The left counterweight guide rail bracket, the shared counterweight guide rail bracket, and the right counterweight guide rail bracket are fixedly connected between the first and second rail bracket crossbeams. The main rail brackets and counterweight guide rail brackets of the two elevator cars are both mounted on the first and second rail brackets and located in the middle of the shaft between the two cars. This structure does not affect the simultaneous operation of the two cars and effectively saves building space and costs compared to the design using two brackets in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view plan view of the layout of mutually embedded special-shaped wells;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the integrated mainframe beam and the counterweight rope head fixing beam in the present invention;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the integrated common bracket in the present invention.

[0020] As shown in the figure: 1-left ladder shaft, 2-right ladder shaft, 3-left ladder car, 4-right ladder car, 5-integrated mainframe beam and counterweight rope head fixing beam, 501-first mainframe load-bearing beam, 502-second mainframe load-bearing beam, 503-right ladder counterweight rope head beam, 504-right ladder mainframe fixing seat, 505-left ladder counterweight rope head beam, 506-left ladder mainframe fixing seat, 507-fixing parts, 6-integrated common bracket, 601-first track bracket crossbeam, 602-second track bracket crossbeam, 603-left ladder mainframe Guide rail bracket, 604-right ladder main rail bracket, 605-support frame, 606-right ladder counterweight guide rail bracket, 607-common counterweight guide rail bracket, 608-left ladder counterweight guide rail bracket, 7-left ladder counterweight block, 8-right ladder counterweight block, 9-left ladder car wheel, 10-right ladder car wheel, 11-left ladder car rope end frame, 12-right ladder car rope end frame, 13-left ladder counterweight wheel, 14-right ladder counterweight wheel, 15-left ladder wire rope, 16-right ladder wire rope, 17-left ladder traction machine, 18-right ladder traction machine. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] like Figure 1-4 As shown, a parallel car elevator suitable for a small shaft comprises a left elevator car 3, a right elevator car 4, a left elevator counterweight 7, a right elevator counterweight 8 and two sets of steel ropes arranged adjacent to each other, and also comprises an integrated main beam and a counterweight rope end fixing beam 5 arranged at the top of the shaft between the left elevator car 3 and the right elevator car 4 and an integrated common bracket 6 arranged at the bottom of the shaft between the left elevator car 3 and the right elevator car 4; one end of the integrated main beam and the counterweight rope end fixing beam 5 is fixedly connected to the left elevator traction machine 17, and the other end is fixedly connected to the right elevator traction machine 18; the integrated common bracket 6 is arranged parallel to the integrated main beam and the counterweight rope end fixing beam 5, one end of the integrated common bracket 6 on the left elevator traction machine 17 side is fixedly connected to the left elevator counterweight guide rail, and one end of the integrated common bracket 6 on the right elevator traction machine 18 side is fixedly connected to the right elevator counterweight guide rail, and the left elevator counterweight 7 and the right elevator counterweight 8 slide on the left elevator counterweight guide rail and the right elevator counterweight guide rail respectively.

[0023] The integrated main machine beam and counterweight rope head fixing beam 5 includes a first main machine load-bearing beam 501 and a second main machine load-bearing beam 502 and a fixing piece 507 arranged in parallel. The first main machine load-bearing beam 501 and the second main machine load-bearing beam 502 are fixedly connected by the fixing piece 507; the left ladder counterweight rope head beam 505 and the right ladder counterweight rope head beam 503 are fixedly connected between the first main machine load-bearing beam 501 and the second main machine load-bearing beam 502, and the left ladder main machine fixing seat 506 and the right ladder main machine fixing seat 504 are fixedly connected to the first main machine load-bearing beam 501 and the second main machine load-bearing beam 502 above the left ladder counterweight rope head beam 505 and the right ladder counterweight rope head beam 503 respectively. The two ends of the left ladder main machine fixing seat 506 and the right ladder main machine fixing seat 504 are respectively connected to the first main machine load-bearing beam 501 and the second main machine load-bearing beam 502.

[0024] The bottom of the left elevator car 3 and the right elevator car 4 are respectively connected to the left elevator car wheel 9 and the right elevator car wheel 10, and the top of the left elevator counterweight block 7 and the right elevator counterweight block 8 are respectively connected to the left elevator counterweight wheel 13 and the right elevator counterweight wheel 14. The top of the left side of the shaft of the left elevator car 3 and the top of the right side of the shaft of the right elevator car 4 are respectively fixedly connected to the left elevator car rope end frame 11 and the right elevator car rope end frame 12, one end of the two sets of steel ropes are respectively connected to the left ladder counterweight rope end beam 505 and the right ladder counterweight rope end beam 503, and then respectively wound around the left ladder counterweight wheel 13 and the right ladder counterweight wheel 14, and then wound around the traction wheels of the left ladder traction machine 17 and the right ladder traction machine 18, and then respectively wound around the left elevator car wheel 9 and the right elevator car wheel 10, and then connected to the left elevator car rope end frame 11 and the right elevator car rope end frame 12.

[0025] The left mainframe fixing base 506 and the right mainframe fixing base 504 are obliquely connected to the first mainframe load-bearing beam 501 and the second mainframe load-bearing beam 502, and the left mainframe fixing base 506 and the right mainframe fixing base 504 are arranged in parallel. The first mainframe load-bearing beam 501 and the second mainframe load-bearing beam 502 are channel steels, and the fixing member 507 is an angle steel.

[0026] The integrated common bracket includes two parallel first track bracket beams 601, a second track bracket beam 602 and a support frame 605 fixedly connected to the first track bracket beam 601 and the second track bracket beam 602, and the support frame 605 is connected to the bottom of the first track bracket beam 601 and the second track bracket beam 602; the left ladder main rail bracket 603 and the right ladder main rail bracket 604 are fixedly connected to the upper middle part of the first track bracket beam 601 and the second track bracket beam 602 respectively; 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 fixedly connected between the first track bracket beam 601 and the second track bracket beam 602. The left counterweight guide rail is mounted on the left ladder counterweight guide rail bracket 608 and the common counterweight guide rail bracket 607. The left ladder counterweight 7 moves up and down within the space enclosed by the first rail bracket crossbeam 601, the second rail bracket crossbeam 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 the right ladder counterweight guide rail bracket 606 and the common counterweight guide rail bracket 607. The right ladder counterweight moves up and down within the space enclosed by the first rail bracket crossbeam 601, the second rail bracket crossbeam 602, the right ladder counterweight guide rail bracket 606, and the common counterweight guide rail bracket 607.

[0027] The first rail support crossbeam 601, the second rail support crossbeam 602, and the support frame 605 are all channel steel. The left ladder main rail support 603 and the right ladder main rail support 604 are symmetrically arranged angle steels. The left ladder counterweight guide rail support 608, the common counterweight guide rail support 607, and the right ladder counterweight guide rail support 606 are all angle steels.

[0028] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

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: The yoke is provided with an integrated main frame beam and a counterweight rope head fixing beam at the top of the shaft between the left and right elevator cars, and an integrated common bracket is provided at the bottom of the shaft between the left and right elevator cars; the shafts are mutually embedded special-shaped shafts, one end of the integrated main frame beam and the counterweight rope head fixing beam is fixedly connected to the left ladder traction machine, and the other end is fixedly connected to the right ladder traction machine; the integrated common bracket is arranged in parallel with the integrated main frame beam and the counterweight rope head fixing beam, 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 the other end is fixedly connected to the right ladder traction machine. One end of the integrated common bracket on the 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 member arranged in parallel, and the first main machine load-bearing beam and the second main machine load-bearing beam are fixedly connected by a fixing member; 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, and the left ladder counterweight rope head beam and the right ladder counterweight rope head beam are arranged between the two cars Above the middle of the shaft; the left and right ladder counterweight rope head beams are fixedly connected to the first main machine load-bearing beam and the second main machine load-bearing beam above the left and right ladder counterweight rope head beams, and the two ends of the left and right ladder main machine fixed seats are connected to the first main machine load-bearing beam and the second main machine load-bearing beam respectively; the bottoms of the left and right ladder cars are rotatably connected to the left and right ladder car wheels, and the tops of the left and right ladder counterweight blocks are rotatably connected to the left and right ladder counterweight wheels, and the top of the left and right ladder car shafts on the left and right sides of the left and right ladder cars are rotatably connected. The two parts are fixedly connected with the left elevator car rope end frame and the right elevator car rope end frame respectively, one end of the two sets of steel wire ropes are connected to the left ladder counterweight rope end beam and the right ladder counterweight rope end beam respectively, and then are respectively wound around the left ladder counterweight wheel and the right ladder counterweight wheel, and then are wound around the traction wheels of the left ladder traction machine and the right ladder traction machine, and then are respectively wound around the left ladder car wheel and the right ladder car wheel, and are connected to the left ladder car rope end frame and the right ladder car rope end 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; 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. A parallel car elevator suitable for a small hoistway according to claim 1, characterized in that: The first mainframe load-bearing beam and the second mainframe load-bearing beam are channel steels, and the fixing members are angle steels.

3. A parallel car elevator suitable for a small hoistway according to claim 2, characterized in that: The first track support cross beam, the second track support cross beam and the support frame are all channel steels.

4. A parallel car elevator suitable for a small hoistway according to claim 3, characterized in that: The left ladder main rail bracket and the right ladder main rail bracket are both symmetrically arranged angle steels, and the left ladder counterweight guide rail bracket, the common counterweight guide rail bracket and the right ladder counterweight guide rail bracket are all angle steels.

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