CN110790114A - An elevator machine room layout structure and elevator system - Google Patents

Abstract

The invention belongs to the field of elevators, and discloses an elevator machine room layout structure and an elevator system. Both the traction machine and the counterweight reverse rope pulley are arranged on the upper end face of the shelf beam, and the arrangement is compact, which saves the vertical space occupied by the separate arrangement of the counterweight rope pulley. The counterweight guide pulley is connected to the shelf beam and located at the Below the traction machine, the central axis of the counterweight guide pulley and the central axis of the counterweight anti-rope pulley are arranged vertically, so that the rope winding method is compact, and the wire rope is wound around the traction machine, the counterweight guide wheel and the counterweight anti-rope pulley , the above arrangement can also avoid interference when the wire rope is wound. The elevator system provided by the present invention adopts the above-mentioned elevator machine room layout structure, and the layout structure is compact, which can reduce the space occupied by the machine room in the depth direction of the hoistway, and can be applied to machine rooms with different depths.

Description

An elevator machine room layout structure and elevator system

technical field

The invention relates to the field of elevators, in particular to an elevator machine room layout structure and an elevator system.

Background technique

Elevators can be divided into machine room elevators and machine roomless elevators according to the installation position of the drive host. The elevator machine room of traditional machine room elevators is generally arranged above the elevator operating space, that is, above the hoistway, providing a concentrated space for placing the main equipment such as the main engine that occupies the space. The layout structure of the elevator machine room affects the size of the top-floor building space.

In the existing elevator machine room layout structure, the distance between various equipment such as traction machine, counterweight reverse sheave, and counterweight guide sheave is relatively large, resulting in relatively scattered layout structure of the machine room, occupying more space in the depth direction of the shaft. big.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an elevator machine room layout structure and an elevator system, which can solve the problem that the elevator machine room occupies a large hoistway space, so that the elevator machine room has a compact layout structure, is convenient for on-site installation operations, and saves the space of the elevator machine room.

In order to achieve this purpose, the present invention adopts the following technical solutions:

An elevator machine room layout structure, comprising:

shelving beam;

The traction machine is arranged on the upper end face of the shelf beam;

The counterweight traction mechanism includes a counterweight guide wheel and a counterweight reverse rope pulley, the counterweight reverse rope pulley is arranged on the upper end surface of the shelf beam, the counterweight guide wheel is connected with the shelf beam and is located in the shelf beam. Below the traction machine, the counterweight guide sheave is vertically arranged with the central axis of the counterweight reverse rope pulley;

The steel wire rope is wound around the traction machine, the counterweight guide pulley and the counterweight reverse rope pulley.

Further, it also includes a counterweight rope head beam intersecting with the shelf beam, and a counterweight rope head plate is provided on the counterweight rope head beam.

Further, it also includes a car traction mechanism, the car traction mechanism includes a car reverse sheave and a car rope head plate, and the car reverse sheave and the car rope head plate are both arranged on the shelf. on the machine beam.

Further, the wire rope is wound around the traction machine and divided into a first connection end and a second connection end on both sides of the traction machine, and the first connection end bypasses the counterweight traction mechanism. It is fixedly connected to the counterweight rope head plate, and the second connection end bypasses the car traction mechanism and is fixedly connected to the car rope head plate.

Further, the counterweight traction mechanism further includes a first pulley and a second pulley, and the first pulley and the second pulley are arranged in parallel on the top of the counterweight frame of the elevator.

Further, the first connecting end goes around the counterweight guide wheel vertically downward from the traction machine, goes out from the inner side of the first pulley to the outer side, and vertically upwards on the counterweight guide wheel. The outer side of the counterweight rope pulley is wound inward, and the inner side of the second pulley is wound vertically downward to the outer side, and is fixedly connected with the counterweight rope head plate vertically upward.

Further, the second connection end is from the hoisting machine and is fixedly connected to the car rope head plate around the car reverse sheave.

Further, the shelf beam and the counterweight rope head beam are both H-beams.

Further, it also includes a frame, the frame is arranged on the upper end surface of the rack beam, and both the traction machine and the counterweight pulley are arranged on the frame.

An elevator system includes the above-mentioned elevator machine room arrangement structure.

Beneficial effects of the present invention:

The invention provides an elevator machine room layout structure and an elevator system. The traction machine and the counterweight reversing sheave are both arranged on the upper end face of the rack beam, and the arrangement is compact and saves the vertical space occupied by the separate arrangement of the counterweight reversing sheave. To the space, the counterweight guide sheave is connected to the shelf beam and is located below the hoisting machine. The central axis of the counterweight guide sheave and the central axis of the counterweight anti-rope sheave are arranged vertically, so that the rope winding method is compact, and the wire rope is wound around the traction machine. The above arrangement of the lead machine, the counterweight guide wheel and the counterweight reverse rope pulley can also avoid the interference when the wire rope is wound. The present invention also provides an elevator system, which adopts the above-mentioned elevator machine room layout structure, and the layout structure is compact, which can reduce the space occupied by the machine room in the depth direction of the hoistway, and is applicable to machine rooms of different depths.

Description of drawings

1 is a front view of the elevator machine room layout structure provided by the present embodiment;

Fig. 2 is the top view of the elevator machine room layout structure provided by the present embodiment;

3 is a side view of the elevator machine room layout structure provided by the present embodiment;

FIG. 4 is a schematic diagram of a rope winding method in the counterweight traction mechanism provided in this embodiment.

In the picture:

1. Traction machine; 3. Counterweight frame; 5. Shelving beam; 6. Counterweight rope head beam; 7. Frame;

21. Counterweight guide wheel; 22. The first pulley; 23. The second pulley; 24. Counterweight rope pulley; 25. Counterweight rope headboard;

41. Car anti-sheave; 42. Car rope head plate.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, a mechanical The connection can also be an electrical connection, it can be a direct connection, or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first feature and the second feature in direct contact, or may include the first feature and the second feature is not in direct contact but through another feature between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

The embodiment of the present invention provides an elevator machine room layout structure, which can make the interior layout of the elevator machine room more compact, the space can be reasonably utilized, and the occupied shaft space can be saved.

As shown in FIGS. 1 to 3 , the machine room is located above the elevator shaft, and the elevator car and the counterweight frame 3 are both located in the elevator shaft. The machine room is equipped with a traction machine 1, a counterweight traction mechanism, a car traction mechanism and a wire rope. The wire rope is wound around the traction machine 1, the counterweight traction mechanism and the car traction mechanism. The traction machine 1 is used to provide power, and the power drives the elevator car and the counterweight frame 3 to move relative to each other through the wire rope.

In this embodiment, the traction machine 1 adopts a permanent magnet synchronous main engine. Compared with the traditional worm gear and worm traction machine, the matching rope clamp is eliminated, and the cost performance is higher.

The specific arrangement of each institution is as follows:

The machine room is provided with a rack beam 5 and a counterweight rope head beam 6 perpendicularly intersecting with the rack beam 5, which are used to support the traction machine 1 and components of various mechanisms.

The counterweight traction mechanism includes a counterweight pulley 24 and a counterweight guide pulley 21 . The wire rope is successively wound around the counterweight guide pulley 21 and the counterweight anti-rope pulley 24 from one end of the traction machine 1, and the counterweight frame 3 is drawn to move in the vertical direction. The wire rope passes through the counterweight guide wheel 21, so that the wire rope pulls the counterweight frame 3 to move up and down along the guide rail set in the elevator shaft. suspension ratio.

The counterweight traction mechanism is close to the wall on one side of the machine room. Specifically, the hoisting machine 1 and the counterweight return sheave 24 are both arranged on the upper end surface of one end of the rack beam 5 . The counterweight guide pulley 21 is connected to the rack beam 5 and located below the hoisting machine 1 . In the prior art, the counterweight reversing sheave 24 is separately disposed on the counterweight sheave 6 and away from the hoisting machine 1. Compared with the prior art, this arrangement reduces the vertical space occupied by the counterweight reversing sheave 24. space.

More specifically, the counterweight reversing sheave 24 is located between the side wall of the machine room and the hoisting machine 1, and the central axis of the counterweight reversing sheave 24 is perpendicular to the side wall. The counterweight guide sheave 21 is located below the counterweight sheave 24, and the central axis of the counterweight guide sheave 21 is perpendicular to the central axis of the counterweight sheave 24, so as to avoid winding the counterweight guide sheave 21 and the counterweight sheave. The mutual interference between the wire ropes of the sheave 24 makes the rope winding method more compact. In addition, the central axis of the counterweight guide pulley 21 is parallel to the central axis of the hoisting machine 1 , and the counterweight guide pulley 21 and the hoisting machine 1 are partially overlapped by the orthographic projection of the plane. The above arrangement is compact, maximizes the use of space, and reduces the occupation of vertical space.

The counterweight frame 3 is located in the elevator shaft, and is correspondingly arranged below the counterweight traction mechanism in the machine room. The top of the counterweight frame 3 is provided with a first pulley 22 and a second pulley 23 in parallel. The required elevator suspension ratio is obtained by winding the first pulley 22 , the counterweight reversing sheave 24 and the second pulley 23 .

The car traction mechanism includes a car reverse sheave 41 , the car reverse sheave 41 is arranged at the center position of the shelf beam 5 along the length direction, and the central axis of the car reverse sheave 41 is perpendicular to the extension of the length of the shelf beam 5 . The car reverse rope pulley 41 is used to change the winding direction of the wire rope in the car traction mechanism.

The car traction mechanism also includes a car rope head plate 42. The car rope head plate 42 is arranged on the shelf beam 5 and located between the wall and the car reverse rope pulley 41, and is used to fix the rope that goes out of the car traction mechanism. The end of the wire rope.

The counterweight rope head beam 6 is provided with a counterweight rope head plate 25 for fixing the end of the wire rope that is wound out of the car traction mechanism.

Further, the shelf beam 5 and the counterweight rope head beam 6 are both H-beams, which can meet the strength requirements. Compared with the commonly used I-beam channel steel, the model is smaller, the processing and transportation costs are lower, and the cost performance is high. In this embodiment, the shelf beam 5 includes two H-shaped steels, the two H-shaped steels are arranged in parallel and spaced apart, the counterweight guide wheel 21 is sandwiched between the two H-shaped steels, and the counterweight guide wheel 21 is installed on the bottom of the H-shaped steel. On the end face, the car reverse rope pulley 41 is installed on the upper end face of the H-shaped steel and is located between the two H-shaped steels, so that the arrangement structure is compact and space is saved. The counterweight rope head beam 6 also includes two H-shaped steels, and the two H-shaped steels are arranged in parallel and spaced apart, so that the load-bearing capacity is good, and the use is safe and firm.

Further, a frame 7 is installed on the upper end face of one end of the shelf beam 5 , and both the traction machine 1 and the counterweight pulley 24 are arranged on the frame 7 . The counterweight reversing sheave 24 is placed on the same frame 7 as the hoisting machine 1, which saves space and is quicker to install on site.

Based on the layout of the machine room shown in FIGS. 1 to 3 , FIG. 4 shows the path of the wire rope around the counterweight traction mechanism. The wire rope is wound around the traction machine 1 and is divided into a first connection end and a second connection end on both sides of the traction machine 1. The first connection end bypasses the counterweight traction mechanism and is fixedly connected to the counterweight rope head plate 25. The two connecting ends are fixedly connected to the car rope head plate 42 around the car traction mechanism. Different from the traditional hanging rope winding method with a traction ratio of 4:1, the hanging rope winding method of this embodiment is as follows:

The first connecting end starts from the traction machine 1, goes around the counterweight guide wheel 21 vertically downwards, winds out from the inner side of the first pulley 22 to the outer side, and vertically upwards from the outer side of the counterweight reverse rope pulley 24 to the inner side Winding out, winding vertically downward from the inner side of the second pulley 23 to the outer side, and fixedly connecting with the counterweight rope head plate 25 vertically upward;

The second connection end is from the hoisting machine 1 and is fixedly connected to the car rope head plate 42 around the car reverse sheave 41 .

In this rope winding method, the first connection end is wound out from the counterweight guide wheel 21, and is wound into the first pulley 22 vertically downward at the center of the counterweight frame 3, and the traction ratio is 4:1, which can be reduced The elevator car occupies the depth of the hoistway and increases the gauge of the counterweight frame 3 to create favorable conditions.

The principle of elevator operation is as follows: when the traction machine 1 is running, the traction sheave of the traction machine 1 rotates, and when the traction sheave rotates clockwise, the second connection end drawn from the traction sheave drives the elevator car to move upward, and the The heavy frame 3 moves downward to realize the lift of the elevator car; on the contrary, when the traction sheave rotates counterclockwise, the first connecting end drawn from the traction sheave drives the counterweight frame 3 to move upward, and the elevator car moves downward, Finally, the lowering of the elevator car is realized.

This embodiment also provides an elevator system, including the above-mentioned elevator machine room arrangement structure. The elevator system not only has a compact layout, but also saves space, and meets the needs of more small-sized spaces in the current society for the layout of elevator structures.

The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention also has various changes and changes. These changes and changes are all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. an elevator machine room layout structure, is characterized in that, comprises: Shelving beam (5); The traction machine (1) is arranged on the upper end face of the rack beam (5); A counterweight traction mechanism, comprising a counterweight guide wheel (21) and a counterweight reverse rope pulley (24), the counterweight reverse rope pulley (24) is arranged on the upper end surface of the shelf beam (5), and the counterweight reverse rope pulley (24) A redirecting pulley (21) is connected to the shelf beam (5) and is located below the hoisting machine (1), and the counterweight guiding pulley (21) is connected to the counterweight anti-rope pulley (24). The central axis is arranged vertically; The steel wire rope is wound around the traction machine (1), the counterweight guide pulley (21) and the counterweight reverse rope pulley (24). 2. The elevator machine room arrangement structure according to claim 1, characterized in that, further comprising a counterweight rope head beam (6) intersecting with the shelf beam (5), the counterweight rope head beam (6) A counterweight rope headboard (25) is arranged on the top. 3. The elevator machine room arrangement structure according to claim 2 is characterized in that, further comprising a car traction mechanism, said car traction mechanism comprising a car reverse sheave (41) and a car rope head plate (42), Both the car reverse rope pulley (41) and the car rope head plate (42) are arranged on the rack beam (5). 4. The elevator machine room arrangement structure according to claim 3, wherein the wire rope is wound around the traction machine (1) and divided into first connections on both sides of the traction machine (1). and a second connection end, the first connection end bypasses the counterweight traction mechanism and is fixedly connected to the counterweight rope head plate (25), and the second connection end bypasses the car traction mechanism and is fixed Connected to the car rope head plate (42). 5. The elevator machine room arrangement structure according to claim 4, wherein the counterweight traction mechanism further comprises a first pulley (22) and a second pulley (23), the first pulley (22) and all The second pulleys (23) are arranged in parallel on the top of the counterweight frame (3) of the elevator. 6. The elevator machine room arrangement structure according to claim 5, characterized in that, the first connecting end bypasses the counterweight guide wheel (21) vertically downward from the traction machine (1). , winds out from the inside of the first pulley (22) to the outside, vertically upwards from the outside of the counterweight anti-rope pulley (24) to the inside, and vertically downward from the second pulley ( The inner side of 23) is wound out to the outer side, and is fixedly connected to the counterweight rope head plate (25) vertically upward. 7 . The elevator machine room arrangement structure according to claim 4 , wherein the second connecting end bypasses the car reverse sheave ( 41 ) and the The car rope head plate (42) is fixedly connected. 8. The elevator machine room arrangement structure according to claim 2, characterized in that, said rack beam (5) and said counterweight rope head beam (6) are both H-beams. 9. The elevator machine room arrangement structure according to any one of claims 1-8, characterized in that it further comprises a frame (7), and the frame (7) is arranged on the top of the shelf beam (5). On the end face, the traction machine (1) and the counterweight reverse sheave (24) are both arranged on the frame (7). 10. An elevator system, characterized by comprising the elevator machine room arrangement structure according to any one of claims 1-9.

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