CN205855727U - A kind of machine-roomless lift - Google Patents

Abstract

The utility model discloses a machine room-less elevator. The machine room-less elevator includes traction machine beam (1), traction machine (2), counterweight (3), counterweight guide rail (4), car (5), car guide rail (6), car rope end plate assembly (7) and car anti-sheave (8). The traction machine beam (1) is extended on one side of the car (5) along the front and rear direction, the traction machine (2) is suspended on the traction machine beam (1), and the traction machine (2) and the counterweight ( 3) Located on the same side of the car (5); the axis of the traction sheave of the traction machine (2) is parallel to the center line of a pair of car guide rails (6) or forms a fixed angle greater than zero and less than 90° ; The projections of the traction machine (2), the traction machine beam (1) and the car (5) on the horizontal plane do not coincide. In the machine-room-less elevator of the utility model, the traction machine is fixed on the traction machine beam on one side of the car by means of suspension, which effectively utilizes the well space on the side of the car, reduces the occupation of the space on the top floor of the well, and avoids The interference between the traction machine and the top of the car is eliminated.

Description

A machine room-less elevator

technical field

The utility model relates to the technical field of elevators, in particular to an elevator without a machine room.

Background technique

In the prior art, the traction machine of the machine room-less elevator is usually installed on the load-bearing beam above the hoistway, and the traction machine frame and the traction machine are located above the car. The projection of the car and the traction machine on the horizontal plane of this machine-room-less elevator at least partially coincides, so in order to avoid interference, a higher hoistway head space is required to install the traction machine, which is very unfavorable for low-rise villas. application.

Contents of the invention

In view of this, the purpose of this utility model is to provide a machine room-less elevator with a new design idea, which reduces the occupation of the top space of the elevator well, effectively reduces the overall height of the well, and facilitates the use of the machine-room-less elevator in villa elevators with limited top space. Applications.

In order to achieve the above purpose, the utility model provides a machine room-less elevator, which includes traction machine beam, traction machine (2), counterweight, counterweight guide rail, car, car guide rail, car rope head plate assembly and car The car anti-rope pulley is characterized in that: the traction machine beam is extended along the front and back direction on one side of the car, the traction machine is suspended on the traction machine beam, and the traction machine The counterweight is located on the same side of the car; the axis of the traction sheave of the traction machine is parallel to the center line of a pair of car guide rails or forms a fixed angle greater than zero and less than 90° The projections of the traction machine and the car on the horizontal plane do not coincide with each other, and the projections of the traction machine beam and the car on the horizontal plane do not coincide with each other.

Preferably, the pair of car guide rails are respectively located on the left and right sides of the car, and both the traction machine and the counterweight are located on the left or right side of the car.

Preferably, the car rope head plate assembly is fixed in the hoistway on the other side opposite to the traction machine.

Specifically, the car rope head plate assembly is fixed on the car guide rail or the hoistway wall on the other side opposite to the hoisting machine.

In a specific embodiment, the traction machine is a flat traction machine, its own thickness c along the axis direction of the traction wheel is smaller than its own height b, and its own thickness c along the axis direction of the traction wheel The thickness c is smaller than the length a of itself in the front-rear direction.

In a specific embodiment, the traction machine is fixed below the main beam of the traction machine beam through vertical beams, supporting plates and fixing plates; the vertical beams are a pair, respectively fixed on the main beam and located on the front and rear sides of the traction machine, the supporting plate is connected between the lower parts of the pair of vertical beams and supports the traction machine, and the fixing plate is connected to the bottom of the pair of vertical beams The upper parts are fixedly connected with the upper end of the traction machine.

Wherein, the car reversing sheave can be a car top sheave or a car bottom sheave, and the car reversing sheave is a pair, and the sheave axis of the car reversing sheave is connected to a pair of car guide rails. The lines connecting the centers are perpendicular or form a fixed angle greater than zero and not equal to 90°.

Compared with the prior art, the utility model sets the traction machine and the counterweight on the same side of the car, and the traction machine adopts a suspension installation method, and the traction machine and the traction machine beam are respectively on the horizontal plane with the car There is no overlapping part of the projections, which reduces the occupation of the space on the top floor of the well, and effectively expands the application of the machine room-less elevator in villas with limited space on the top floor of the well.

Description of drawings

Fig. 1 is a layout diagram of a machine-room-less elevator in Embodiment 1.

Fig. 2 is an installation structure diagram of the traction machine and the traction machine beam in the first embodiment.

Fig. 3 is a front view of the traction machine in the first embodiment.

Fig. 4 is a left side view of the traction machine in the first embodiment.

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 to 4, a machine room-less elevator, including a traction machine beam 1, a traction machine 2, a counterweight 3, a pair of counterweight guide rails 4, a car 5, a pair of car guide rails 6, car ropes Head plate assembly 7 and a pair of car anti-sheave 8.

The car door of the car 5 is opened on the front side, and a pair of car guide rails 6 are located on the left and right sides of the car 5 respectively. Hanging on the traction machine beam 1, the traction machine 2 and the counterweight 3 are located on the same side of the car 5. In this embodiment, both the traction machine 2 and the counterweight 3 are located on the left side of the car 5. In other embodiments, both the traction machine 2 and the counterweight 3 may also be located on the right side of the car 5 .

As shown in Figures 3 and 4, the traction machine 2 is a flat traction machine, its own thickness c along the axial direction of the traction wheel is smaller than its own height b, and its own thickness along the axial direction of the traction wheel The thickness c is smaller than the length a of itself in the front-rear direction. The traction machine 2 is fixed below the main beam 11 of the traction machine beam 1 through the vertical beam 12, the supporting plate 13 and the fixed plate 14; The supporting plate 13 is connected between the lower part of a pair of vertical beams 12 and supports the traction machine 2, and the fixed plate 14 is connected between the upper parts of a pair of vertical beams 12 and is fixedly connected with the upper end of the traction machine 2 .

In this embodiment, the axis of the traction sheave of the traction machine 2 is parallel to the line AB connecting the centers of a pair of car guide rails 6 . In other embodiments, the line AB between the axis of the traction sheave of the traction machine 2 and the center line AB of a pair of car guide rails 6 may also form a fixed angle greater than zero and less than 90°.

Moreover, in order to make full use of the hoistway space on the side of the car and reduce the occupancy of the roof space, the projections of the traction machine 2 and the car 5 on the horizontal plane do not overlap each other, and the traction machine beam 1 and the car 5 on the horizontal plane The projections of do not coincide with each other. With such a design, it is also possible to avoid interference between the hoisting machine 2 and the top structure of the car 5 .

The car rope head plate assembly 7 is fixed in the hoistway and is located on the other side opposite to the hoisting machine 2 . In this embodiment, the car rope head plate assembly 7 is fixed on the car guide rail 6 on the other side opposite to the hoisting machine 2 . In other embodiments, the car rope head plate assembly 7 can also be fixed on the hoistway wall through steel beams.

Wherein, the car reversing sheave 8 can be the top sheave of the car or the bottom sheave of the car, and the sheave axis of a pair of car reversing sheaves 8 is perpendicular to the central connection line AB of a pair of car guide rails 6 respectively in the present embodiment . In other embodiments, the line AB between the sheave axis of a pair of car anti-sheave 8 and the center line AB of a pair of car guide rails 6 may also form a fixed angle greater than zero and not equal to 90°.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the present utility model and implement it accordingly, and cannot limit the protection scope 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 (6)

1. A machine room-less elevator, including traction machine beam (1), traction machine (2), counterweight (3), counterweight guide rail (4), car (5), car guide rail (6), The car rope end plate assembly (7) and the car anti-rope pulley (8), are characterized in that: the traction machine beam (1) is extended and arranged on one side of the car (5) along the front and rear direction, so that The traction machine (2) is suspended on the traction machine beam (1), and the traction machine (2) and the counterweight (3) are located on the same side of the car (5); The axis of the traction sheave of the traction machine (2) is parallel to the center line of the pair of car guide rails (6) or forms a fixed angle greater than zero and less than 90°; the traction machine (2) The projections of the car (5) on the horizontal plane do not coincide with each other, and the projections of the traction machine beam (1) and the car (5) on the horizontal plane do not coincide with each other; the traction machine (2) It is a flat type traction machine, its own thickness c along the axis direction of the traction wheel is smaller than its own height b, and its own thickness c along the axis direction of the traction wheel is smaller than its own length along the front-to-back direction a. 2. A machine room-less elevator according to claim 1, characterized in that: a pair of the car guide rails (6) are respectively located on the left and right sides of the car (5), and the traction machine (2 ) and the counterweight (3) are located on the left or right side of the car (5). 3. A machine room-less elevator according to claim 1 or 2, characterized in that: the car rope head assembly (7) is fixed in the hoistway at the other side opposite to the traction machine (2). side. 4. A machine room-less elevator according to claim 3, characterized in that: the car rope end plate assembly (7) is fixed on the car guide rail on the other side opposite to the traction machine (2) (6) On or on the well wall. 5. A machine room-less elevator according to claim 1, characterized in that: the traction machine (2) is fixed on the traction Below the main beam (11) of the traction machine beam (1); the vertical beams (12) are a pair, respectively fixed on the main beam (11) and located at the front and rear sides of the traction machine (2). side, the supporting plate (13) is connected between the lower part of a pair of vertical beams (12) and supports the traction machine (2), and the fixing plate (14) is connected between the pair of vertical beams (12) and fixedly connected with the upper end of the traction machine (2). 6. A machine room-less elevator according to claim 1, characterized in that: the car anti-sheave (8) is a pair, and the sheave axis of the car anti-sheave (8) is the same as a pair of The center lines of the car guide rails (6) are vertical or form a fixed angle greater than zero and not equal to 90°.