CN204847680U - No computer lab elevator arrangement structure - Google Patents

Abstract

The utility model relates to an arrangement structure of an elevator without a machine room. The elevator is arranged in an elevator shaft without a machine room. There are two load-bearing beams arranged in parallel in the elevator shaft, and the traction machine is arranged on the two Between the load-bearing beams, the radial direction of the return sheave of the car frame is perpendicular to the opening direction of the car door, and the counterweight is arranged on the rear side of the car, and the counterweight and the dragging The traction sheave of the traction machine is radially arranged in the range of ⁶⁰ ° to 90 ^° . In the machine-room-less elevator arrangement structure provided by the utility model, the traction machine adopts a side installation method, so that the frame arrangement height is small, which can be applied to a small top floor height, and the structure arrangement is compact. The space on the top of the hoistway is greatly saved; the utility model is suitable for the structure of the rear counterweight of the hoistway, and the rear counterweight device can make greater use of the width of the hoistway, meet the requirements of a larger car width, and has strong market competition power and development potential.

Description

A machine room-less elevator layout structure

technical field

The utility model relates to an arrangement structure of an elevator without a machine room, in particular to an arrangement structure of an elevator without a machine room using a permanent magnet synchronous traction machine. This structure is suitable for the rear counterweight structure of the hoistway, which meets the requirement of a large car width. The height of the traction machine frame is small, and it can be applied to a small roof height.

Background technique

Because the machine room-less elevator saves a machine room space compared with the machine room elevator, the machine room-less elevator is more and more favored by the industry and consumers. Generally, machine-room-less elevators have the same height as the top floor of the shaft of machine-room elevators, while relevant components such as traction machines and rope head beams are installed on the top of the shaft of machine-room-less elevators, which need to occupy the top space of the shaft. In order to ensure a certain space above the car roof Safe space, so the elevator traction machine cannot be installed on the projection surface of the car roof. Most of the existing machine-room-less elevators adopt the method of placing the counterweight on the side. However, in some special occasions, according to the width of the hoistway, it is required to design the largest car width, and the door opening width of the car is the largest, and it is necessary to adopt the method of placing the counterweight behind. Therefore, it is necessary to develop an installation structure on top of the traction machine with the rear counterweight and the minimum space occupation to meet the requirements of this hoistway layout.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a machine room-less elevator layout structure, which meets the requirement of a larger car width and is suitable for a smaller roof height.

The technical scheme that realizes the utility model purpose is as follows:

A machine-room-less elevator arrangement structure, the elevator is arranged in the elevator shaft without a machine room, the elevator arrangement structure includes a traction machine installed on a load-bearing beam, a car fixed on a car frame, and a car The car frame return sheave at the top of the frame, the counterweight and the counterweight return sheave arranged on the counterweight frame are characterized in that: the elevator shaft has two load-bearing beams arranged in parallel, and the traction The machine is arranged between the two load-bearing beams, the radial direction of the car frame return sheave is perpendicular to the opening direction of the car door, the counterweight is arranged on the rear side of the car, and the counterweight is arranged on the rear side of the car. The weight and the traction wheel of the traction machine are radially arranged in the range of ⁶⁰ ° to 90 ^° .

The pair of returning sheaves is connected and fixed to the counterweight frame, and the angle between the radial direction of the pair of returning sheaves and the centerline of the counterweight guide rail is not more than 25°.

The further technical solution of the machine-room-less elevator layout structure provided by the above-mentioned utility model is: the traction machine is fixed to the two opposite sides of the two load-bearing beams arranged in parallel along the two sides of the traction machine main body of the traction wheel shaft. The traction machine is connected between the two load-bearing beams so that the installation height of the traction machine can be reduced.

Preferably, the traction machine is provided with mounting threaded holes on both sides of the traction machine body along the traction wheel shaft, and at the position of the mounting threaded holes, connect the two sides of the traction machine body with an adjacent load-bearing beam respectively. The connection is fixed.

The counterweight is arranged on the rear side of the car, and the counterweight and the traction sheave of the traction machine are radially arranged ^at an angle of 90°.

The pair of returning sheaves is connected and fixed to the counterweight frame, and the radial direction of the pair of returning sheaves and the centerline of the counterweight guide rail form an included angle of 20°.

In the machine-room-less elevator arrangement structure provided by the utility model, the traction machine adopts a side installation method, so that the frame arrangement height is small, which can be applied to a small top floor height, and the structure arrangement is compact. The top space of the hoistway is greatly saved; the utility model is suitable for the structure of the hoistway with the rear counterweight, and the rear counterweight device can make greater use of the width of the hoistway to meet the requirements of a larger car width and has strong market competition power and development potential.

Description of drawings

Fig. 1 is the schematic diagram of the elevation structure of the elevator shaft of the utility model embodiment;

Fig. 2 is a schematic diagram of the planar structure of the elevator shaft in the embodiment of the utility model;

Fig. 3 is a partially enlarged schematic diagram of the installation structure of the traction machine in the embodiment of the present invention.

Among them: 1- traction machine, 2- counterweight rope head plate, 3- bolt, 4- load beam, 5- car frame return rope pulley, 6- car side rope head beam, 7- car side rope head Combination, 8-car rope head plate, 9-pair return sheave, 10-installation threaded hole, 11-traction sheave, 12-car, 13-car frame, 14-counterweight, 15-counterweight Side traction wire rope, 16-car side traction wire rope.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the specific embodiment of the present utility model is further described:

Please refer to Fig. 1 and Fig. 2, the layout structure of the elevator without machine room in this embodiment, the elevator is arranged in the shaft of the elevator without machine room. Two load-bearing beams 4 are fixed parallel to the inner wall of the elevator shaft, and the traction machine 1 adopts a permanent magnet synchronous traction machine. The traction machine 1 is arranged between the two load-bearing beams 4, and the car 12 is fixed on the car frame 13. Two car frame return rope pulleys 5 are arranged on the top of the car frame 13, and the two car frame return rope pulleys 5 are fixed on the upper beam of the car frame by bolts, and the car frame return rope pulleys 5 are radially aligned with the car door. The door opening direction is vertical.

The counterweight 14 is arranged on the rear side of the car 12 , and the counterweight 14 is arranged ^at an angle of ⁶⁰ ° to 90° in the radial direction of the traction sheave 11 of the traction machine 1 . Preferably, the counterweight 14 and the traction sheave 11 of the traction machine 1 are radially arranged ^at an angle of 90°. The pair of return sheaves 9 are fixed on the counterweight frame, and the radial direction of the pair of return sheaves 9 and the centerline of the counterweight guide rail form an angle not greater than 25°. Preferably, it is 20 ° of included angles between the returning sheave 9 and the radial direction and the center line of the counterweight guide rail. After the traction wire rope 15 on the counterweight side bypasses the pair of returning sheaves 9, it is fixed on the counterweight rope end plate 2 through the combination of the counterweight side rope end, and the counterweight rope end plate 2 is fixed on the two load-bearing beams 4, After the car side traction wire rope 16 bypasses the car frame return rope pulley 5, it is fixed on the car rope end plate 8 through the car side rope end assembly 7, and the car side rope end plate 8 is connected with the car side rope end beam 6. The connection is fixed.

A further embodiment is that the traction machine 1 is fixedly connected to two opposite sides of two load-bearing beams 4 arranged in parallel along the two sides of the traction machine main body of the traction wheel shaft, so that the traction machine 1 is interposed between the two sides. Between the load beams 4, the installation height of the traction machine 1 can be reduced.

More specifically, the traction machine 1 is provided with four mounting threaded holes 10 on both sides of the main body of the traction machine along the axis of the traction wheel, and a total of eight mounting threaded holes 10 on both sides of the main body of the traction machine are passed through high-strength The bolts 3 connect and fix the two sides of the main body of the traction machine to an adjacent load-bearing beam 4 , so that the traction machine 1 is fixed between the two load-bearing beams 4 .

What has been described above is only the preferred implementation of the present utility model. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the principle of the utility model, and these should also be regarded as belonging to the scope of protection of the utility model.

Claims (6)

1. A machine-room-less elevator layout structure, the elevator is arranged in the elevator shaft without a machine room, and the elevator layout structure includes a traction machine (1) installed on a load-bearing beam, fixed on a car frame (13) The car (12), the car frame return sheave (5) arranged on the top of the car frame (13), the counterweight (14) and the counterweight return sheave (9) arranged on the counterweight frame, the The feature is that there are two load-bearing beams (4) arranged in parallel in the elevator shaft, the traction machine (1) is arranged between the two load-bearing beams (4), and the car frame returns The radial direction of the sheave (5) is perpendicular to the opening direction of the car door, and the counterweight (14) is arranged on the rear side of the car (12), and the counterweight (14) and the trolley The traction sheave (11) of the traction machine (1 ⁾ is radially arranged in an angle range of ⁶⁰ ° to 90°. 2. The machine room-less elevator layout structure according to claim 1, characterized in that: the pair of reentry sheaves (9) are connected and fixed to the counterweight frame, and the pair of reentry sheaves (9) are radially aligned with The angle between the centerlines of the counterweight guide rails is not more than 25°. 3. The machine-room-less elevator layout structure according to claim 1, characterized in that: the two sides of the main body of the traction machine along the traction wheel shaft of the traction machine (1) are respectively connected with two load-bearing beams ( The two opposite sides of 4) are fixedly connected, so that the traction machine (1) is interposed between the two load-bearing beams (4). 4. The machine-room-less elevator layout structure according to claim 3, characterized in that: the traction machine (1) is provided with installation threaded holes (10) on both sides of the main body of the traction machine along the shaft of the traction wheel, and The mounting threaded holes (10) respectively connect and fix both sides of the main body of the traction machine with an adjacent load-bearing beam (4). 5. The machine-room-less elevator layout structure according to claim 1, characterized in that: the counterweight (14) is arranged on the rear side of the car (12), and the counterweight (14) is connected to The traction wheels (11) of the traction machine (1) are radially arranged ^at an angle of 90°. 6. The machine room-less elevator layout structure according to claim 2, characterized in that: the pair of reentry sheaves (9) are connected and fixed to the counterweight frame, and the pair of reentry sheaves (9) are radially aligned with There is an angle of 20° between the centerlines of the counterweight guide rails.