Novel rear counterweight machine-room-free elevator structure

Abstract

The utility model relates to the technical field of elevator structures, in particular to a novel rear counter-weight machine-room-free elevator structure which comprises a shaft, a lift car, a main machine, a counter-weight side bearing beam, a counter-weight side bearing beam support, a lift car side bearing beam and a driving assembly, the lift car is arranged in the shaft, the counter-weight side bearing beam support is connected with the shaft and located on the rear side of the shaft, and the lift car side bearing beam is connected with the lift car side bearing beam support. The counterweight side spandrel girder is in bolted connection with the counterweight side spandrel girder support and located on one side of the counterweight side spandrel girder support, the lift car side spandrel girder is installed on the rear side of the hoistway, the host is in bolted connection with the counterweight side spandrel girder and the lift car side spandrel girder and located on the top of the hoistway, and the driving assembly is arranged on the outer side of the lift car. The problem that an existing elevator without a machine room is generally of a counterweight side-arranged structure, and due to the fact that a counterweight is arranged laterally, the occupied well width size is large is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator structures, in particular to a novel rear-mounted counterweight machine room-less elevator structure. Background Art

[0002] At present, machine room-less elevators usually have a side-mounted counterweight structure. Due to the side-mounted counterweight, it occupies a larger shaft width. When the shaft is small, the net width of the car is compressed by the side-mounted counterweight. In order to meet the smaller shaft width and make a larger car width, this scheme designs a machine room-less elevator structure with a rear counterweight. Utility Model Content

[0003] The purpose of the utility model is to provide a novel rear-mounted counterweight machine-roomless elevator structure, which is suitable for elevator shafts with small width and large depth compared with traditional side-mounted counterweight machine-roomless elevators, saves the tedious work of pre-buried civil engineering, reduces the height of the top space, and fully reduces the civil engineering cost.

[0004] To achieve the above-mentioned purpose, the utility model provides a novel rear-mounted counterweight machine roomless elevator structure, including a hoistway, a car, a main machine, a counterweight side load-bearing beam, a counterweight side load-bearing beam bracket, a car side load-bearing beam and a drive assembly, the car is arranged inside the hoistway, the counterweight side load-bearing beam bracket is connected to the hoistway and is located at the rear side of the hoistway, the counterweight side load-bearing beam is bolted to the counterweight side load-bearing beam bracket and is located on one side of the counterweight side load-bearing beam bracket, the car side load-bearing beam is installed on the rear side of the hoistway, the main machine is bolted to the counterweight side load-bearing beam and the car side load-bearing beam and is located at the top of the hoistway, and the drive assembly is arranged on the outside of the car.

[0005] Among them, the new type of rear-mounted counterweight machine roomless elevator structure also includes two car guide rails and a counterweight guide rail. The two car guide rails are connected to the shaft and are located on both sides of the shaft. The counterweight guide rail is connected to the shaft and is located on the rear side of the shaft. The two car guide rails and the counterweight guide rail are both slidably connected to the car.

[0006] Among them, the driving assembly includes two car bottom return rope pulleys, two car rope head plates, a car rope head plate load-bearing beam, a counterweight rope head plate and a counterweight return rope pulley. The car rope head plate load-bearing beam is arranged on the front and rear walls of the shaft. The two car rope head plates are respectively bolted to the car guide rails and the car rope head plate load-bearing beams, and are respectively arranged on both sides of the shaft. The counterweight rope head plate is bolted to the counterweight side load-bearing beam and is located on one side of the counterweight side load-bearing beam. The two car bottom return rope pulleys are bolted to the car and are located at the bottom of the car. The counterweight return rope pulley is bolted to the counterweight rope head plate and is located on one side of the counterweight rope head plate.

[0007] Among them, load-bearing beam foot plates are arranged on both sides of the car rope head plate load-bearing beam, and the load-bearing beam foot plates are clamped with the hoistway.

[0008] Among them, the new type of rear counterweight machine roomless elevator structure also includes a plurality of guide rail brackets, one side of the plurality of guide rail brackets is respectively bolted to the counterweight guide rail and the car guide rail, and the other end of the plurality of car guide rails is clamped to the hoistway.

[0009] The utility model discloses a novel rear-mounted counterweight and machine room-less elevator structure, wherein the counterweight side load-bearing beam bracket is connected to the shaft and is located at the rear side of the shaft, the counterweight side load-bearing beam is bolted to the counterweight side load-bearing beam bracket and is located at one side of the counterweight side load-bearing beam bracket, the car side load-bearing beam is installed at the rear side of the shaft, the main engine is bolted to the counterweight side load-bearing beam and the car side load-bearing beam and is located at the top of the shaft, the drive assembly is arranged on the outside of the car, and the main engine is installed on a rail through the counterweight side load-bearing beam and the car side load-bearing beam, thereby saving the tedious work of pre-reserving and pre-buried civil engineering, reducing the height of the top space, and substantially reducing the civil engineering cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a planar structural schematic diagram of a novel rear-mounted counterweight machine room-less elevator structure of the utility model.

[0012] Figure 2 It is a longitudinal structural schematic diagram of a novel rear-mounted counterweight machine room-less elevator structure of the utility model.

[0013] 1-hoistway, 2-car, 3-main engine, 4-counterweight side load-bearing beam, 5-counterweight side load-bearing beam bracket, 6-car side load-bearing beam, 7-car guide rail, 8-counterweight guide rail, 9-car bottom anti-rope pulley, 10-car rope head plate, 11-car rope head plate load-bearing beam, 12-counterweight rope head plate, 13-counterweight anti-rope pulley, 14-load-bearing beam foot plate, 15-guide rail bracket. DETAILED DESCRIPTION

[0014] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0015] See also Figure 1 to Figure 2 The utility model provides a novel rear-mounted counterweight machine roomless elevator structure, comprising a shaft 1, a car 2, a main machine 3, a counterweight side load-bearing beam 4, a counterweight side load-bearing beam bracket 5, a car side load-bearing beam 6 and a drive assembly, wherein the car 2 is arranged inside the shaft 1, the counterweight side load-bearing beam bracket 5 is connected to the shaft 1 and is located at the rear side of the shaft 1, the counterweight side load-bearing beam 4 is bolted to the counterweight side load-bearing beam bracket 5 and is located on one side of the counterweight side load-bearing beam bracket 5, the car side load-bearing beam 6 is installed at the rear side of the shaft 1, the main machine 3 is bolted to the counterweight side load-bearing beam 4 and the car side load-bearing beam 6 and is located at the top of the shaft 1, and the drive assembly is arranged on the outside of the car 2.

[0016] In this embodiment, the rail-mounted installation of the main machine 3 is achieved through the counterweight side load-bearing beam 4 and the car side load-bearing beam 6, which saves the tedious work of pre-buried civil engineering, reduces the top space height, and substantially reduces the civil engineering cost.

[0017] Furthermore, the novel rear-mounted counterweight machine roomless elevator structure also includes two car guide rails 7 and a counterweight guide rail 8. The two car guide rails 7 are connected to the shaft 1 and are located on both sides of the shaft 1. The counterweight guide rail 8 is connected to the shaft 1 and is located on the rear side of the shaft 1. The two car guide rails 7 and the counterweight guide rail 8 are both slidably connected to the car 2.

[0018] In this embodiment, the counterweight guide rail 8 is used to support the weight of the car 2, and the two car guide rails 7 improve the stability of the car 2 during movement. At the same time, the setting of the counterweight guide rail 8 and the car guide rail 7 facilitates the installation of the counterweight side load-bearing beam 4 and the car side load-bearing beam 6.

[0019] Furthermore, the drive assembly includes two car bottom return rope pulleys 9, two car rope end plates 10, a car rope end plate load-bearing beam 11, a counterweight rope end plate 12 and a counterweight return rope pulley 13. The car rope end plate load-bearing beam 11 is arranged on the front and rear walls of the shaft 1. The two car rope end plates 10 are respectively bolted to the car guide rails 7 and the car rope end plate load-bearing beam 11, and are respectively arranged on both sides of the shaft 1. The counterweight rope end plate 12 is bolted to the counterweight side load-bearing beam 4 and is located on one side of the counterweight side load-bearing beam. The two car bottom return rope pulleys 9 are bolted to the car 2 and are located at the bottom of the car 2. The counterweight return rope pulley 13 is bolted to the counterweight rope end plate 12 and is located on one side of the counterweight rope end plate 12.

[0020] In this embodiment, a section of the wire rope is fixed on the counterweight rope end plate 12, passes through the counterweight return rope pulley 13 to the traction wheel of the main engine 3, and then to the car bottom return rope pulley 9, and finally the other end of the wire rope is fixed on the car rope end plate 10, and the entire car 2 is driven by the main engine 3 to achieve up and down movement.

[0021] Furthermore, load-bearing beam foot plates 14 are provided on both sides of the car rope head plate load-bearing beam 11 , and the load-bearing beam foot plates 14 are clamped with the hoistway 1 .

[0022] In this embodiment, the car rope head plate 10 is installed on the rear side of the hoistway 1 through the load-bearing beam foot plate 14, thereby improving stability.

[0023] Furthermore, the novel rear-counterweight machine room-less elevator structure also includes a plurality of guide rail brackets 15 , one side of the plurality of guide rail brackets 15 are respectively bolted to the counterweight guide rail 8 and the car guide rail 7 , and the other end of the plurality of car guide rails 7 are clamped to the hoistway 1 .

[0024] In this embodiment, a plurality of guide rail brackets 15 install the counterweight guide rail 8 and the car guide rail 7 on the inner side of the hoistway 1, thereby improving stability.

[0025] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A novel rear counterweight machine roomless elevator structure, comprising a hoistway and a car, wherein the car is arranged inside the hoistway, characterized in that: It also includes a main machine, a counterweight side load-bearing beam, a counterweight side load-bearing beam bracket, a car side load-bearing beam and a drive assembly. The counterweight side load-bearing beam bracket is connected to the shaft and is located at the rear side of the shaft. The counterweight side load-bearing beam is bolted to the counterweight side load-bearing beam bracket and is located on one side of the counterweight side load-bearing beam bracket. The car side load-bearing beam is installed at the rear side of the shaft. The main machine is bolted to the counterweight side load-bearing beam and the car side load-bearing beam and is located at the top of the shaft. The drive assembly is arranged on the outside of the car.

2. The novel rear-mounted counterweight machine room-less elevator structure according to claim 1 is characterized in that: The novel rear-mounted counterweight machine room-less elevator structure also includes two car guide rails and a counterweight guide rail. The two car guide rails are connected to the shaft and are located on both sides of the shaft. The counterweight guide rail is connected to the shaft and is located on the rear side of the shaft. The two car guide rails and the counterweight guide rail are both slidably connected to the car.

3. The novel rear counterweight machine room-less elevator structure as claimed in claim 2 is characterized in that: The driving assembly includes two car bottom return rope pulleys, two car rope head plates, a car rope head plate load-bearing beam, a counterweight rope head plate and a counterweight return rope pulley. The car rope head plate load-bearing beam is arranged on the front and rear walls of the shaft. The two car rope head plates are respectively bolted to the car guide rails and the car rope head plate load-bearing beams, and are respectively arranged on both sides of the shaft. The counterweight rope head plate is bolted to the counterweight side load-bearing beam and is located on one side of the counterweight side load-bearing beam. The two car bottom return rope pulleys are bolted to the car and are located at the bottom of the car. The counterweight return rope pulley is bolted to the counterweight rope head plate and is located on one side of the counterweight rope head plate.

4. The novel rear counterweight machine room-less elevator structure as claimed in claim 3 is characterized in that: Load-bearing beam foot plates are arranged on both sides of the car rope head plate load-bearing beam, and the load-bearing beam foot plates are clamped with the hoistway.

5. The novel rear-mounted counterweight machine room-less elevator structure as claimed in claim 4 is characterized in that: The novel rear-mounted counterweight machine room-less elevator structure also includes a plurality of guide rail brackets, one side of each of which is bolted to the counterweight guide rail and the car guide rail, respectively, and the other end of each of which is clamped to the hoistway.

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