WO2021184815A1

WO2021184815A1 - Elevator guide rail fixing device

Info

Publication number: WO2021184815A1
Application number: PCT/CN2020/131341
Authority: WO
Inventors: 樊湘毅; 顾垣杰
Original assignee: 迅达（中国）电梯有限公司
Priority date: 2020-03-18
Filing date: 2020-11-25
Publication date: 2021-09-23
Also published as: CN111196541A

Abstract

An elevator guide rail fixing device, comprising: guide rail pressuring plates (110), comprising first pressuring arm portions (110a) used for pressing and fixing a guide rail (10) of an elevator onto a guide rail holder (20) of the elevator; and bolt connecting components (130, 140, 150), used for fixing the guide rail pressuring plates (110) onto the guide rail holder (20), and further comprising reinforcing pressuring plates (120), fixed by the bolt connecting components (130, 140, 150) onto the guide rail pressuring plates (110), and comprising a second pressuring arm portion (120a). An opening (111) used for accommodating the second pressuring arm portion (120a) is formed on the first pressuring arm portions (110a); when the guide rail pressuring plates (110) are in a seismic working condition that the guide rail pressuring plates (110) are deformed due to an earthquake impact, the first pressuring arm portions (110a) of the guide rail pressuring plates (110) and the second pressuring arm portion (120a) of the reinforcing pressuring plates (120) press and fix the guide rail (10) together. The elevator guide rail fixing device is suitable for both a seismic condition and a non-seismic condition, which improves the universality of the elevator guide rail fixing device.

Description

Elevator guide rail fixing device

Technical field

The invention relates to an elevator guide rail fixing device.

Background technique

In the prior art, in order to ensure that the elevator car or elevator counterweight moves smoothly in the elevator shaft, an elevator guide rail extending in the vertical direction is usually installed on the elevator shaft wall, and the elevator guide rail is connected to the elevator car or elevator counterweight. The upper sliding shoes cooperate to ensure the smooth movement of the elevator car or elevator counterweight in the elevator shaft.

In the prior art, a guide rail bracket is fixed on the wall of the elevator hoistway, and a guide rail pressing plate is fixed on the guide rail bracket. The guide rail pressing plate is pressed on both sides of the elevator guide rail to fix the elevator guide rail on the guide rail support.

In the prior art, there are two types of guide rail pressing plates, one is a guide rail pressing plate used in non-seismic conditions, and the other is a guide rail pressing plate used in seismic conditions. Since the force of the guide rail support under seismic conditions is much higher than the force under non-seismic conditions, the mechanical strength of the guide rail press plate used in seismic conditions should be much higher than that of the guide rail used in non-seismic conditions Pressure plate. In the prior art, in order to improve the mechanical strength of the guide rail pressing plate used in seismic conditions, it is necessary to use thicker materials and better steel materials. Therefore, the guide rail clamp used for seismic conditions is usually thicker and heavier than the guide rail clamp used for non-seismic conditions, and the two cannot be used mutually, which reduces the versatility of the guide rail clamp.

In addition, in the prior art, since the guide rail pressing plate used in seismic conditions is very heavy, this will increase the vertical force caused by the settlement of the building, and cause the design of the guide rail system to be more complicated.

Summary of the invention

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

According to one aspect of the present invention, there is provided an elevator guide rail fixing device, including: a guide rail pressing plate having a first pressing arm for pressing and fixing the guide rail of the elevator on the guide rail support of the elevator; and a bolt connection assembly for Fix the rail pressing plate to the rail bracket. The elevator guide rail fixing device further includes a reinforced pressing plate, the reinforced pressing plate is fixed on the guide rail pressing plate by the bolt connection assembly; the reinforced pressing plate has a second pressing arm portion formed on the first pressing arm portion There is an opening for accommodating the second pressing arm; when the rail pressing plate is in an earthquake working condition that is deformed due to an earthquake impact, the first pressing arm of the rail pressing plate and the second pressing of the reinforcing pressing plate The arms press and fix the guide rail together.

According to an exemplary embodiment of the present invention, when the guide rail pressing plate is in a non-seismic working condition without deformation, the second pressing arm portion of the reinforced pressing plate does not contact the guide rail, and the guide rail is only moved by the guide rail. The guide rail pressing plate is pressed and fixed.

According to another exemplary embodiment of the present invention, the thickness of the reinforced press plate is greater than the thickness of the rail press plate, so that the mechanical strength of the reinforced press plate is greater than the mechanical strength of the rail press plate.

According to another exemplary embodiment of the present invention, the bolt connection assembly includes a bolt and a nut, and the screw rod of the bolt passes through the reinforcing plate, the guide rail pressure plate, and the guide rail bracket in sequence, and is threaded with the nut. connect.

According to another exemplary embodiment of the present invention, the bolt connection assembly further includes an anti-loosening washer, the screw rod of the bolt passes through the anti-loosing washer, and the anti-loosing washer is squeezed on the Between the nut and the guide rail bracket.

According to another exemplary embodiment of the present invention, the head of the bolt abuts against the reinforcing pressure plate, and the guide rail pressure plate is squeezed between the reinforcing pressure plate and the guide rail bracket.

According to another exemplary embodiment of the present invention, a through hole for allowing the screw of the bolt to pass is formed on the reinforcing press plate.

According to another exemplary embodiment of the present invention, the guide rail pressing plate has a rectangular plate-shaped first fixing base, and the first pressing arm is corrugated and extends outward from one side of the first fixing base .

According to another exemplary embodiment of the present invention, the reinforcing pressing plate has a rectangular plate-shaped second fixing base, and the second pressing arm is in the shape of a flat plate and extends from a middle part of one side of the second fixing base. Extend outwards so that the reinforced pressing plate has a T-shape.

According to another exemplary embodiment of the present invention, the first fixing base is supported on the surface of the rail bracket, and the second fixing base is supported on the surface of the first fixing base.

According to another exemplary embodiment of the present invention, in the projection view along the thickness direction, the area of the covering area of the guide rail pressing plate is larger than the area of the covering area of the reinforcing pressing plate.

In each of the foregoing exemplary embodiments according to the present invention, the elevator guide rail fixing device can be applied to both seismic and non-seismic conditions, which improves the versatility of the elevator guide rail fixing device, and the elevator of the present invention The guide rail fixing device is light in weight, can reduce the vertical force caused by the settlement of the building, and is beneficial to simplify the design of the guide rail system.

Through the following description of the present invention with reference to the accompanying drawings, other objects and advantages of the present invention will be apparent and can help a comprehensive understanding of the present invention.

Description of the drawings

Figure 1 shows a schematic diagram of an elevator guide rail fixing device according to an exemplary embodiment of the present invention;

Figure 2 shows a three-dimensional schematic diagram of the elevator guide rail fixing device shown in Figure 1;

Fig. 3 shows a three-dimensional schematic diagram of the reinforced pressing plate of the elevator guide rail fixing device shown in Fig. 2.

Detailed ways

The technical solutions of the present invention will be further specifically described below through embodiments and in conjunction with the drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, and should not be construed as a limitation to the present invention.

In addition, in the following detailed description, for the convenience of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present disclosure. However, obviously, one or more embodiments can also be implemented without these specific details. In other cases, well-known structures and devices are embodied in an illustrative manner to simplify the drawings.

According to a general technical concept of the present invention, there is provided an elevator guide rail fixing device, comprising: a guide rail pressing plate having a first pressing arm for pressing and fixing the guide rail of the elevator on the guide rail support of the elevator; and a bolt connection assembly, It is used to fix the guide rail pressing plate to the guide rail bracket. The elevator guide rail fixing device further includes a reinforced pressing plate, the reinforced pressing plate is fixed on the guide rail pressing plate by the bolt connection assembly; the reinforced pressing plate has a second pressing arm portion formed on the first pressing arm portion There is an opening for accommodating the second pressing arm; when the rail pressing plate is in an earthquake working condition that is deformed due to an earthquake impact, the first pressing arm of the rail pressing plate and the second pressing of the reinforcing pressing plate The arms press and fix the guide rail together.

Fig. 1 shows a schematic diagram of an elevator guide rail fixing device according to an exemplary embodiment of the present invention. Fig. 2 shows a three-dimensional schematic diagram of the elevator guide rail fixing device shown in Fig. 1.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the elevator guide rail fixing device mainly includes a guide rail pressing plate 110, a reinforcing pressing plate 120 and

bolt connection components

130, 140, and 150.

As shown in Figures 1 and 2, in the illustrated embodiment, the guide rail pressing plate 110 has a first pressing arm 110a, which presses on the base 11 of the guide rail 10 of the elevator, and is used to press the elevator The guide rail 10 is pressed and fixed on the guide rail bracket 20 of the elevator.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the

bolt connection components

130, 140, and 150 are used to fix the rail pressing plate 110 to the rail bracket 20. The reinforcement pressing plate 120 is fixed on the rail pressing plate 110 by

bolt connection components

130, 140, and 150.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the reinforcing pressing plate 120 has a second pressing arm 120a. An opening 111 for receiving the second pressing arm 120a is formed on the first pressing arm 110a, and the second pressing arm 120a is received in the opening 111 on the first pressing arm 110a.

As shown in Figures 1 and 2, in the illustrated embodiment, when the guide rail pressing plate 110 is in an earthquake condition that is deformed due to an earthquake impact, the first pressing arm portion 110a of the guide rail pressing plate 110 and the first pressing arm portion 110a of the reinforcing pressing plate 120 The two pressing arms 120a press and fix the guide rail 10 of the elevator together. In this way, the guide rail 10 of the elevator can be prevented from separating from the guide rail bracket 20, and the safe operation of the elevator can be ensured.

As shown in Figures 1 and 2, in the illustrated embodiment, when the guide rail pressing plate 110 is in a non-seismic operating condition without deformation, the second pressing arm 120a of the reinforced pressing plate 120 does not contact the guide rail 10, and the guide rail 10 Only the guide rail pressing plate 110 is pressed and fixed.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the thickness of the reinforced pressing plate 120 is greater than the thickness of the rail pressing plate 110, so that the mechanical strength of the reinforced pressing plate 120 is greater than that of the rail pressing plate 110.

As shown in Figures 1 and 2, in the illustrated embodiment, the

bolt connection components

130, 140, 150 include a bolt 130 and a nut 140, and the screw 130a of the bolt 130 passes through the reinforcing plate 120, the guide rail 110, and the guide bracket in turn. 20 and screwed with nut 140.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the

bolt connection components

130, 140, 150 further include an anti-loosening washer 150, the screw 130a of the bolt 130 passes through the anti-loosing washer 150, and the anti-loosening washer 150 The sheet 150 is squeezed between the nut 140 and the rail bracket 20.

As shown in FIGS. 1 and 2, in the illustrated embodiment, the screw head 130 b of the bolt 130 abuts on the reinforcing plate 120, and the rail pressing plate 110 is squeezed between the reinforcing plate 120 and the guide rail bracket 20.

FIG. 3 shows a three-dimensional schematic diagram of the reinforced pressing plate 120 of the elevator guide rail fixing device shown in FIG. 2.

As shown in FIGS. 1 to 3, in the illustrated embodiment, a through hole 121 that allows the screw 130 a of the bolt 130 to pass is formed on the reinforcing plate 120. Similarly, the guide rail pressing plate 110 and the guide rail bracket 20 are also formed with through holes that allow the screw 130a of the bolt 130 to pass through.

As shown in FIGS. 1 to 3, in the illustrated embodiment, the guide rail pressing plate 110 has a rectangular plate-shaped first fixed base 110b, and the first pressing arm 110a is corrugated and extends from one side of the first fixed base 110b. Extend outward.

As shown in FIGS. 1 to 3, in the illustrated embodiment, the reinforced pressing plate 120 has a rectangular plate-shaped second fixing base 120b, and the second pressing arm 120a is in the shape of a flat plate and extends from one side of the second fixing base 120b. The middle part of the bracket extends outwards, so that the reinforcing plate 120 has a T-shape.

As shown in FIGS. 1 to 3, in the illustrated embodiment, the first fixing base 110b is supported on the surface of the rail bracket 20, and the second fixing base 120b is supported on the surface of the first fixing base 110b.

As shown in FIGS. 1 and 2, in the illustrated embodiment, in the projection view along the thickness direction, the area of the coverage area of the guide rail pressing plate 110 is larger than the area of the coverage area of the reinforcement pressing plate 120. In other words, the area of the coverage area of the reinforced press plate 120 is smaller than the area of the covered area of the guide rail press plate 110, so that the volume and total amount of the reinforced press plate 120 can be reduced.

Those skilled in the art can understand that the embodiments described above are all exemplary, and those skilled in the art can improve them, and the structures described in the various embodiments do not conflict in terms of structure or principle. In the case of free combination.

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred embodiments of the present invention, and should not be understood as a limitation to the present invention.

Although some embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principle and spirit of the present general inventive concept. The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims should not be construed as limiting the scope of the present invention.

Claims

An elevator guide rail fixing device includes:

The guide rail pressing plate (110) has a first pressing arm portion (110a) for pressing and fixing the guide rail (10) of the elevator on the guide rail bracket (20) of the elevator; and

Bolt connection components (130, 140, 150) are used to fix the guide rail pressing plate (110) to the guide rail bracket (20),

Its characteristics are:

The elevator guide rail fixing device further includes a reinforced pressure plate (120), and the reinforced pressure plate (120) is fixed on the guide rail pressure plate (110) by the bolt connection components (130, 140, 150);

The reinforced pressing plate (120) has a second pressing arm portion (120a), and an opening (111) for accommodating the second pressing arm portion (120a) is formed on the first pressing arm portion (110a);

When the guide rail pressing plate (110) is in an earthquake working condition that is deformed due to an earthquake impact, the first pressing arm portion (110a) of the guide rail pressing plate (110) and the second pressing arm of the reinforced pressing plate (120) The parts (120a) press and fix the guide rail (10) together.
The elevator guide rail fixing device according to claim 1, characterized in that:

When the guide rail pressing plate (110) is in a non-seismic working condition without deformation, the second pressing arm portion (120a) of the reinforced pressing plate (120) does not contact the guide rail (10), and the guide rail (10) ) Is only pressed and fixed by the guide rail pressing plate (110).
The elevator guide rail fixing device according to claim 1, characterized in that:

The thickness of the reinforced press plate (120) is greater than the thickness of the guide rail press plate (110), so that the mechanical strength of the reinforced press plate (120) is greater than the mechanical strength of the rail press plate (110).
The elevator guide rail fixing device according to any one of claims 1-3, characterized in that:

The bolt connection assembly (130, 140, 150) includes a bolt (130) and a nut (140), and the screw (130a) of the bolt (130) passes through the reinforcing plate (120) and the guide rail pressing plate ( 110) and the guide rail bracket (20) are screwed with the nut (140).
The elevator guide rail fixing device according to claim 4, characterized in that:

The bolt connection assembly (130, 140, 150) further includes an anti-loosening washer (150), the screw (130a) of the bolt (130) passes through the anti-loosing washer (150), and the anti-loosening The washer (150) is squeezed between the nut (140) and the rail bracket (20).
The elevator guide rail fixing device according to claim 5, characterized in that:

The screw head (130b) of the bolt (130) abuts on the reinforced pressure plate (120), and the guide rail pressure plate (110) is squeezed on the reinforced pressure plate (120) and the guide rail bracket (20) between.
The elevator guide rail fixing device according to claim 1, characterized in that:

A through hole (121) that allows the screw (130a) of the bolt (130) to pass is formed on the reinforcing plate (120).
The elevator guide rail fixing device according to claim 1, characterized in that:

The guide rail pressing plate (110) has a rectangular plate-shaped first fixing base (110b), and the first pressing arm portion (110a) is corrugated and extends outward from one side of the first fixing base (110b) .
The elevator guide rail fixing device according to claim 8, characterized in that:

The reinforced pressing plate (120) has a rectangular plate-shaped second fixing base (120b), and the second pressing arm portion (120a) is in the shape of a flat plate and extends from the middle part of one side of the second fixing base (120b). Extend outwards so that the reinforced pressing plate (120) has a T-shape.
The elevator guide rail fixing device according to claim 9, characterized in that:

The first fixing base (110b) is supported on the surface of the rail bracket (20), and the second fixing base (120b) is supported on the surface of the first fixing base (110b).
The elevator guide rail fixing device according to claim 1, characterized in that:

In the projection view along the thickness direction, the area of the covering area of the guide rail pressing plate (110) is larger than the area of the covering area of the reinforcing pressing plate (120).