CN205132826U - Elevator arrangement structure - Google Patents

Abstract

The utility model discloses an elevator arrangement structure, which comprises a traction machine (1), a car (3), a pair of car anti-sheaves (4) respectively arranged on the left and right sides of the car (3), a counterweight (6), counterweight anti-sheave (7), a pair of car guide rails (8), a pair of counterweight guide rails (9) and traction ropes (10), the pair of car guide rails (8) and the pair of The heavy guide rails (9) are all located on the same side of the car (3), and the center line of the pair of car guide rails (8) is parallel to the center line of the pair of counterweight guide rails (9); the traction rope ( 10) The extension line of the line connecting the pair of car anti-sheaves (4) intersects the center line of the pair of car guide rails (8) to form an acute angle, and the angle of the acute angle is 60-90°. Compared with the prior art, the arrangement structure of the elevator of the utility model is more compact, the space utilization rate of the hoistway is improved, the car runs more stably, and the ride is more comfortable.

Description

An elevator layout structure

technical field

The utility model relates to an elevator layout structure, in particular to a machine room-less elevator layout structure with compact structure, more stable car running and higher hoistway space utilization.

Background technique

Due to the continuous improvement of the economic benefit requirements of modern buildings, how to arrange the cars of the same size in smaller shafts has become a research topic for elevator technicians. In the elevator layout structure currently on the market, the mainstream layout of the car guide rail and the counterweight guide rail and the existing defects are: 1. The vertical arrangement of the car guide rail and the counterweight guide rail will reduce the utilization rate of the hoistway space; 2. The car guide rail and the counterweight guide rail are arranged in parallel, but the line connecting the pair of car anti-rope pulleys on the car suspension with the traction rope is parallel to the center line of the pair of car guide rails. This is commonly known as a backpack rack The layout of the structural elevator, although the well utilization rate is high, but due to the long distance between the suspension center and the center of gravity of the car, the guide shoes of the car are affected by the partial load, resulting in poor running and braking comfort of the car, and the impact on the guide rail And the guide shoe wears a lot, and frequent replacement requires a lot of cost.

Contents of the invention

In view of this, the purpose of this utility model is to provide an elevator layout structure with compact structure, higher hoistway space utilization rate and more stable car operation.

In order to achieve the above purpose, the utility model provides an elevator layout structure, including a traction machine, a car, a pair of car anti-sheaves respectively arranged on the left and right sides of the car, and a The counterweight, the counterweight reversing sheave arranged on the counterweight, a pair of car guide rails, a pair of counterweight guide rails and traction ropes, are characterized in that: the pair of car guide rails and the pair of The heavy guide rails are all located on the same side of the car, and the center line of the pair of car guide rails is parallel to the center line of the pair of counterweight guide rails; the traction rope connects the pair of car The extension line of the connection line of the car anti-sheave intersects with the center line of the pair of car guide rails to form an included angle, and the angle of the included angle is 60-90°.

Preferably, the center of the line connecting the pair of car anti-sheaves coincides with the center of gravity of the car.

In one embodiment, the included angle is 60° or 90°.

Wherein, the counterweight is arranged between the pair of counterweight guide rails so as to move up and down; one car guide rail located on the front side of the pair of car guide rails and one of the pair of counterweight guide rails located on the front side One of the counterweight guide rails is installed on the same guide rail bracket on the front side, and one car guide rail on the rear side of the pair of car guide rails and one counterweight guide rail on the rear side of the pair of counterweight guide rails are installed on the On the same rail bracket at the rear.

Wherein, the pair of car reversing sheaves are located at the bottom or top of the car.

Further preferably, the elevator layout structure further includes a traction machine frame fixed on the top ends of the pair of car guide rails and the pair of counterweight guide rails, and the traction machine is installed on the top of the traction machine rack.

Further, the frame of the traction machine is provided with a counterweight side rope end fixing piece; the elevator layout structure also includes a car side rope end fixing piece fixed on the top of the elevator shaft; one end of the traction rope is fixed On the car side rope end fixing member, the other end extends downwards and bypasses the pair of car anti-sheaves, then extends upwards to bypass the traction sheave on the traction machine, and then extends downwards to bypass the Pass through the counterweight anti-sheave, and finally extend upwards and be fixed on the counterweight side rope end fixing piece on the frame of the traction machine.

Compared with the prior art, the utility model has the following advantages:

(1) The guide rails of the car and the counterweight guide rails are arranged in parallel on the same side of the car, making the layout of the elevator more compact and providing a larger practical area of the car in the same shaft;

(2) The traction rope intersects the extension line of the line connecting a pair of car anti-sheaves and the center line of a pair of car guide rails to form an included angle. The angle of the included angle is 60-90°. The suspension center and The center of gravity of the car is closer, so that the car runs more smoothly;

(3) In a further improvement, the suspension center of the car, that is, the center of the traction rope, coincides with the center of gravity of the car at the center of the line connecting a pair of car anti-sheaves, so that the stability of the car's operation is the best and the ride is comfortable feel;

(4) In a further improvement, the car guide rail and the counterweight guide rail can share the guide rail bracket, which can save materials and cost; the car guide rail and the counterweight guide rail can be arranged on the same side of the hoistway concrete civil ring beam, and only one side can be used. reduce construction costs;

(5) The traction machine frame is fixed on the top of the guide rail. Compared with the traditional technology of slotting and erecting the traction machine beam on the top of the hoistway, it is easier to install and reduce the cost of civil engineering, and it is also convenient for main equipment maintenance.

Description of drawings

Fig. 1 is a top view layout schematic diagram of the elevator layout structure of the present invention.

Fig. 2 is a side view layout diagram of the elevator layout structure of the present invention.

detailed description

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

Embodiment one

Please refer to Figures 1 and 2, an elevator arrangement structure, including a traction machine 1, a traction machine frame 2, a car 3, a pair of car anti-sheaves 4 respectively arranged on the left and right sides of the car 3, a car The car side rope end fixing part 5, the counterweight 6 positioned at one side of the car 3, the counterweight reversing sheave 7 arranged on the counterweight 6, a pair of car guide rails 8, a pair of counterweight guide rails 9 and the dragging Guide rope 10. In this embodiment, a pair of car reversing sheave 4 is located at the bottom of the car 3 . In other embodiments, a pair of car reversing sheaves 4 can also be arranged on the top of the car 3 .

Wherein, the pair of car guide rails 8 and the pair of counterweight guide rails 9 are all located on the same side of the car 3, as shown in Fig. 1 , the left side of the car 3. The central line X1 of a pair of car guide rails 8 is parallel to the central line X2 of a pair of counterweight guide rails 9 . The traction rope 10 intersects the extension line of the line connecting a pair of car anti-sheave 4 and the center line of a pair of car guide rails 8 to form an angle A, and the angle of the angle A is 60-90 °, ensuring that the suspension The distance between the hoisting center and the center of gravity of the car is relatively close to ensure that the car runs more smoothly. In this embodiment, the included angle A is 90°. Moreover, in this embodiment, the hoisting rope 10 coincides with the center of gravity Z of the car 3 at the center of the line Y connecting the pair of car return sheaves 4 .

As shown in Figures 1 and 2, a pair of car guide rails 8 and a pair of counterweight guide rails 9 are located on the left side of the car 3, and a counterweight 6 is arranged between the pair of counterweight guide rails 9 to move up and down. A car guide rail positioned at the front side in a pair of car guide rails 8 and a counterweight guide rail positioned at the front side in a pair of counterweight guide rails 9 are installed on the same guide rail bracket 11 at the front side, and a pair of car guide rails 8 located at A counterweight guide rail 9 positioned at the rear side in a car guide rail 8 of the rear side and a pair of counterweight guide rails 9 is installed on the same guide rail bracket 12 of the rear side. The traction machine frame 2 is fixed on the top of a pair of car guide rails 8 and a pair of counterweight guide rails 9, and the traction machine 1 is installed on the traction machine frame 2. After the car guide rail 8 and the counterweight guide rail 9 share the guide rail bracket, the material of the guide rail bracket can be saved and the cost can be saved; after the car guide rail 8 and the counterweight guide rail 9 are arranged on the same side, the hoistway concrete civil ring beam can only be made on the left side, reducing construction cost.

The traction machine frame 2 is provided with a counterweight side rope end fixture, and the car side rope end fixture 5 is also fixed on the right side wall near the car at the top of the elevator shaft. One end of the traction rope 10 is fixed on the car side rope end fixing member 5, and the other end extends downwards and bypasses the pair of car anti-sheaves 4, and then extends upwards to bypass the traction on the traction machine 1. The pulley extends downwards around the counterweight anti-sheave 7, and finally extends upwards and is fixed on the counterweight side rope end fixing member on the frame 2 of the traction machine.

The arrangement structure of the elevator in this embodiment is compact, can effectively improve the space utilization rate of the hoistway, and improve the running stability of the car, making the ride more comfortable.

Embodiment two

The arrangement structure of the elevator in this embodiment is basically the same as that in Embodiment 1, except that the included angle A is 60°.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model. Equivalent changes or modifications made according to the spirit of the present utility model shall fall within the protection scope of the present utility model.

Claims (7)

1. An elevator layout structure, comprising a traction machine (1), a car (3), a pair of car anti-sheaves (4) respectively arranged on the left and right sides of the car (3), The counterweight (6) on one side of the car (3), the counterweight reversing sheave (7) arranged on the counterweight (6), a pair of car guide rails (8), a pair of counterweight guide rails (9 ) and traction rope (10), characterized in that: the pair of car guide rails (8) and the pair of counterweight guide rails (9) are located on the same side of the car (3), the one The center line of the pair of car guide rails (8) is parallel to the center line of the pair of counterweight guide rails (9); the traction rope (10) is connected to the pair of car anti-sheaves (4 ) and the center line of the pair of car guide rails (8) intersect to form an included angle, and the angle of the included angle is 60-90°. 2. An elevator layout structure according to claim 1, characterized in that: the traction rope (10) is connected to the car at the center of the line connecting the pair of car anti-sheaves (4). The centers of gravity of the compartment (3) coincide. 3. The elevator layout structure according to claim 1, characterized in that: said included angle is 60° or 90°. 4. The elevator layout structure according to claim 1, characterized in that: the counterweight (6) is arranged between the pair of counterweight guide rails (9) so as to be movable up and down; One car guide rail on the front side of the car guide rails (8) and one counterweight guide rail on the front side of the pair of counterweight guide rails (9) are installed on the same guide rail bracket on the front side, and the pair of car A car guide rail located at the rear side among the guide rails (8) and a counterweight guide rail located at the rear side among the pair of counterweight guide rails (9) are installed on the same guide rail bracket at the rear side. 5. The elevator layout structure according to claim 1, characterized in that: the pair of car reversing sheaves (4) are located at the bottom or top of the car (3). 6. An elevator layout structure according to any one of claims 1 to 5, characterized in that: the elevator layout structure further includes The traction machine frame (2) on the top of the guide rail (9), the traction machine (1) is installed on the traction machine frame (2). 7. The elevator layout structure according to claim 6, characterized in that: the traction machine frame (2) is provided with a counterweight side rope end fixing piece; the elevator layout structure also includes a The car side rope end fixing part (5) at the top of the hoistway; one end of the traction rope (10) is fixed on the car side rope end fixing part (5), and the other end extends downward to bypass the pair of After the car reversing sheave (4), it extends upwards to bypass the traction sheave on the traction machine (1), then extends downwards to bypass the counterweight reversing sheave (7), and finally extends upwards to fix On the rope end fixing piece on the counterweight side on the traction machine frame (2).