LU503263B1

LU503263B1 - Machine Room-Less Elevator Bearing Beam

Info

Publication number: LU503263B1
Application number: LU503263A
Authority: LU
Inventors: Qian Fu; Hong Zhu; Liqing Qian; Jin Qian; chong Qian
Original assignee: Zhejiang Meilun Elevator Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-27

Abstract

The invention discloses a machine room-less elevator bearing beam, which comprises a main beam, a strip-shaped traction machine, traction wheels, a car roof diversion sheave, a main guide rail, a rope hitch plate, counterweight fag ends, a counterweight wheel and a counterweight frame, wherein the front and back of the main beam are provided with a plurality of reinforcing ribs; one side of the top of the main beam is provided with a machine ; the top of the machine is provided with a strip-shaped traction machine; the output end of the strip-shaped traction machine is provided with a traction wheel; and one side of the traction wheel is provided with the car roof diversion sheave, the car roof diversion sheave is installed at the top of the elevator car, one end of the main guide rail is installed in the gap at the front of the main beam.

Description

DESCRIPTION LU503263

Machine Room-Less Elevator Bearing Beam

TECHNICAL FIELD

The invention relates to the technical field of machine room-less elevator, in particular to a machine room-less elevator bearing beam.

BACKGROUND

Machine room-less elevator refers to an elevator that does not require the building to provide a closed special machine room for installing the elevator drive traction machine, control cabinet, speed limiter and other equipment. With the development of urban construction, more and more high-rise buildings will choose machine room-less elevators because the machine room space is saved. At present, machine room-less elevators generally adopt flat block-type traction machine hanging down or mounting up, with traction wheels placed in front of and behind. The counterweight system is on the side of the main guide rail, so the space is limited, and the counterweight wheels need to be inclined. Cast iron counterweight blocks are needed, and the bearing capacity is fixed without guide rails, and large profiles are needed. Therefore, the lift well width direction occupies a large amount, the shaft utilization rate is low, and elevators have high cost and low support strength, so they are not suitable for heavy-duty elevators and cannot meet the market demand.

SUMMARY

(1) Technical problems to be solved

The purpose of the invention is to provide a machine room-less elevator bearing beam, which is used to solve the defects of low utilization rate, high cost and low support strength of the existing lift well. (II) Inventive content

In order to solve the above technical problems, the invention provides the following technical scheme: a machine room-less elevator bearing beam comprises a main beam, a stript503263 shaped traction machine, traction wheels, a car roof diversion sheave, a main guide rail, a rope hitch plate, counterweight fag ends, a counterweight wheel and a counterweight frame, wherein the front and back of the main beam are provided with a plurality of reinforcing ribs, one side of the top of the main beam is provided with a traction machine base plate, and the top of the traction machine base plate is provided with a strip-shaped traction machine.

Preferably, one end of the main guide rail is installed in the gap opened at one side of the front of the main beam, and a reinforcing plate is installed at the back of the main beam corresponding to one end of the main guide rail, and reinforcing ribs are welded at both ends of the main beam, the gap at the lower part of the traction machine, and the vicinity of the rope hitch plate.

Preferably, the other side of the back of the main beam contacts the front of the connecting plate, the front of the connecting plate and the four corners of the other side of the back of the main beam are provided with high-strength bolts, the back of the connecting plate is connected with the front of the supporting plate, the top of the supporting plate is provided with a rope hitch plate, and the top of the rope hitch plate is provided with a plurality of counterweight fag ends.

Preferably, the bottom of the counterweight fag ends is connected with one end of a steel wire rope, and the steel wire rope respectively bypasses the bottom of the counterweight wheel and the upper part of the traction wheel until passing through the bottom of the top rope diversion sheave. The counterweight wheel is installed at the center of the top of the counterweight frame, and a plurality of counterweight blocks are arranged on the counterweight frame.

Preferably, both sides of the top and bottom of the counterweight frame are symmetrically provided with counterweight guide shoes, which are slidably mounted on counterweight guide rails, and the counterweight guide rails are symmetrically arranged on both sides of the counterweight frame. LU503263 (3) beneficial effects

The machine room-less elevator bearing beam provided by the invention has the advantages that: the strip-shaped traction machine adopts mounting-up installation, traction wheels are placed left and right, the counterweight system is arranged on the back of the main guide rail, the counterweight wheel is perpendicular to the traction wheels, the gauge of the counterweight guide rail can be enlarged, the counterweight block is made of all cement, the main beam is fixed with the main guide rail, the width direction of the lift well occupies little space, the space utilization rate of the lift well is improved, the support strength is increased, the elevator cost is reduced, and the counterweight block is suitable for heavy-duty elevators, satisfying market demand.

BRIEF DESCRIPTION OF THE FIGURES

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a left partial sectional view of the overall structure of the present invention;

FIG. 3 1s a left sectional view of a partial structure of the present invention;

FIG. 4 is a right sectional view of a partial structure of the present invention;

FIG. 5 is a plan view of the overall structure of the present invention.

In the figure: 1. main beam; 2. reinforcing ribs; 3, traction machine base plate; 4. strip- shaped traction machine; 5. traction wheel, 6. Rope diversion sheave on the car roof, 7. main guide rail; 8. reinforcing plate; 9. connecting plate; 10. high strength bolt; 11. supporting plate;

12. rope hitch plate; 13. counterweight fag end; 14. counterweight wheel; 15. counterweight1503263 frame; 16. counterweight block; 17. Counterweight guide shoe; 18. counterweight guide rail.

DESCRIPTION OF THE INVENTION

In order to make the purpose, technical scheme and advantages of the embodiment of the present invention clearer, the technical scheme in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, but not the whole embodiment. Based on the embodiment of the present invention, all other embodiments obtained by ordinary technicians in the field without creative labor belong to the scope of protection of the present invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installed", "communicated" and "connected" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected or integrally connected and can be mechanically connected or electrically connected. It can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIG. 1- FIG. 5, an embodiment of the invention provides a machine room-less elevator bearing beam, which comprises a main beam 1, a strip-shaped traction machine 4, traction wheels 5, a car roof diversion sheave 6, a main guide rail 7, a rope hitch plate 12, counterweight fag ends 13, a counterweight wheel 14 and a counterweight frame 15. The front and back of the main beam 1 are provided with a plurality of reinforcing ribs 2, and one side of the top of the main beam 1 is provided with the traction machine base plate 3. The output end of the strip-shaped traction machine 4 is equipped with the traction wheel 5, one side of the traction wheel 5 is provided with the car roof diversion sheave 6, which is installed at the top of the elevator car. One end of the main guide rail 7 is installed in the gap at one side of the front of th@503263 main beam 1, and a reinforcing plate 8 is installed at one side of the back of the main beam 1 corresponding to one end of the main guide rail 7. Reinforcing ribs 2 are welded at both ends of the main beam 1, the gap at the lower part of the main machine base plate 3 and the vicinity of the rope hitch plate 12, and the other side of the back of the main beam 1 contacts the front of the connecting plate 9. High-strength bolts 10 are installed on the front of the connecting plate 9 and the four corners on the other side of the back of the main beam 1. The back of the connecting plate 9 is connected with the front of the supporting plate 11, and the top of the supporting plate 11 is provided with a rope hitch plate 12, the top of the rope hitch plate 12 is provided with a plurality of counterweight fag ends 13, and the bottom of the counterweight fag ends 13 is connected with one end of a steel wire rope, the steel wire rope respectively bypasses the bottom of the counterweight wheel 14 and the upper part of the traction wheel 5 until passing through the bottom of the car roof diversion sheave 6. The counterweight wheel 14 is installed at the center of the top of the counterweight frame 15, which is provided with a plurality of counterweight blocks 16, and counterweight guide shoes 17 are symmetrically installed on both sides of the top and bottom of the counterweight frame 15, and the counterweight guide shoes 17 are slidably installed on counterweight guide rails 18 which are symmetrically arranged on both sides of the counterweight frame 15.

Specifically, when in use, first, one end of the steel wire rope is installed on the counterweight fag ends 13, and then the other end is wound around the traction wheel 5, the car roof diversion sheave 6 and the counterweight wheels 14, respectively. The strip-shaped traction machine 4 adopts mounting-up installation, and the traction wheel 5 is placed left and right. The counterweight system is on the back of the main guide rail 7, and the counterweight wheel 14 is perpendicular to the traction wheel 5. The gauge of the counterweight guide rail 18 can be enlarged, and the counterweight block 16 is made of all cement, the main beam 1 is fixed with the main guide rail 7, and the width direction of the lift well occupies less space, which improves)503263 the space utilization rate of the lift well, increases the support strength, reduces the cost of the elevator, and is suitable for heavy-duty elevators, meeting the market demand.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installed", "communicated" and "connected" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected or integrally connected; can be mechanically connected or electrically connected; It can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The above-described device embodiments are only schematic, in which the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed over multiple network units. Some or all of the modules can be selected according to the actual needs to achieve the purpose of this embodiment. People of ordinary skill in this field can understand and implement it without creative labor.

Finally, it should be explained that the above embodiments are only used to illustrate the technical scheme of the present invention, but not to limit it; Although the invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that it is still possible to modify the technical solutions described in the foregoing embodiments, or to equivalently replace some technical features thereof, These modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of various embodiments of the present invention.

Claims

CLAIMS LU503263

1. A machine room-less elevator bearing beam comprises a main beam (1), a strip-shaped traction machine (4), traction wheels (5), a car roof diversion sheave (6), a main guide rail (7), a rope hitch plate (12), counterweight fag ends (13), a counterweight wheel (14) and a counterweight frame (15), and is characterized in that the front and the back of the main beam (1) are provided with a plurality of reinforcing ribs (2), and one side of the top of the main beam (1) is provided with a traction machine base plate (3), the strip-shaped traction machine (4) is installed at the top of the traction machine base plate (3), the traction wheels (5) are installed at the output end of the strip-shaped traction machine (4), a car roof diversion sheave (6) is arranged at one side of the traction wheel (5), and the car roof diversion sheave (6) is installed at the top of the elevator car.

2. The machine room-less elevator bearing beam according to claim 1 is characterized in that one end of main guide rail (7) is installed in the gap on one side of the front of main beam (1), and reinforcing plate (8) is installed on one side of back of main beam (1) corresponding to one end of main guide rail (7), and two ends of main beam (1), the gap at the lower part of traction machine base plate (3) and the vicinity of the rope hitch plate (12) are welded with reinforcing ribs (2).

3. The machine room-less elevator bearing beam according to claim 2 is characterized in that the other side of the back of the main beam (1) contacts the front of the connecting plate (9), and high-strength bolts (10) are installed on the front of the connecting plate (9) and the four corners of the other side of the back of the main beam (1), and the back of the connecting plate (9) is connected with the front of the supporting plate (11), the rope hitch plate (12) is installed at the top of the supporting plate (11), and a plurality of counterweight fag ends (13) are installed at the top of the rope hitch plate (12).

4. The machine room-less elevator bearing beam according to claim 3 is characterized in that the bottom of the counterweight fag ends (13) is connected with one end of a steel rope, andJ503263 the steel rope respectively bypasses the bottom of the counterweight wheel (14) and the upper part of the traction wheels (5) until it passes through the bottom of the car roof diversion sheave (6), and the counterweight wheel (14) is installed at the center of the top of the counterweight frame (15), the counterweight frame (15) is provided with a plurality of counterweight blocks (16).

5. The machine room-less elevator bearing beam according to claim 4 is characterized in that both sides of the top and bottom of the counterweight frame (15) are symmetrically provided with counterweight guide shoes (17), the counterweight guide shoes (17) are slidably mounted on counterweight guide rails (18), the counterweight guide rails (18) are symmetrically arranged on both sides of the counterweight frame (15).