Elevator guide rail

Abstract

The utility model provides an elevator guide rail. The elevator guide rail comprises a base and a guide part, the elevator guide rail is installed in an elevator shaft through the base, the base is hollow, the base is provided with at least one concave arc-shaped face, and the concave direction of the arc-shaped face is the direction of pressing force borne by the elevator guide rail when the elevator guide rail is installed. The guide part serves as a sliding track when an elevator runs, the guide part is arranged in a hollow mode and connected to the base, and the guide part is communicated with the base to form a cavity of the elevator guide rail; the cavity enables the elevator guide rail to meet the preset section modulus. The section modulus factor and the deflection factor are comprehensively considered, the structure of the elevator guide rail is optimally designed, that is, the guide rail unit is designed into a large-section guide rail structure, so that the elevator guide rail has larger section modulus and can bear higher load, and when an elevator runs at a high speed, the service life of the elevator guide rail is prolonged. And stable guidance can be provided to ensure stable operation of the elevator.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a hollow elevator guide rail with a large cross-section modulus. Background Art

[0002] Elevator guide rails are a key component in elevator systems, acting like rails on a train, providing a stable and precise path for the elevator car and counterweight. These guide rails are usually made of high-strength steel with excellent wear and corrosion resistance to ensure long-term stable operation.

[0003] The design and manufacture of guide rails are crucial to the performance and safety of elevators. They not only need to withstand the various forces generated by the elevator during up and down movement, including the impact force during braking, but also ensure the stability and smoothness of the elevator during travel. Therefore, the cross-sectional shape, dimensional accuracy, hardness, and installation quality of the guide rails must be strictly controlled and inspected.

[0004] Patent No. CN214828183U discloses an elevator guide rail assembly, which is designed with a solid elevator guide rail to meet the use requirements. Although the strength of this type of elevator guide rail is good, the cost is high and the weight is large, which makes installation and construction inconvenient.

[0005] In this regard, patent number CN204079156U discloses a hollow elevator guide rail, which is designed as a hollow structure, but the upper mounting edge and the lower mounting edge are fitted together, so that the optimal section modulus cannot be achieved. Therefore, it is necessary to propose a further solution to the above problem. Utility Model Content

[0006] The utility model aims to provide an elevator guide rail to overcome the deficiencies in the prior art.

[0007] In order to solve the above technical problems, the technical solution of the utility model is:

[0008] An elevator guide rail comprises: a base and a guide portion;

[0009] The elevator guide rail is installed in the elevator shaft through the base, the base is hollow, and the base has at least one concave arc surface, and the concave direction of the arc surface is the direction of the pressing force applied to the elevator guide rail when it is installed;

[0010] The guide part serves as a track for the elevator to slide when it is running. The guide part is hollow and connected to the base. The guide part is connected to the base to form a cavity of the elevator guide rail. The cavity enables the elevator guide rail to meet a preset section modulus.

[0011] As an improvement of the elevator guide rail of the utility model, the base includes: a bottom wall, a lower side wall and a lower top wall; the lower side walls are respectively connected to both sides of the bottom wall, and the lower side walls on both sides are respectively connected to the guide part through a lower top wall.

[0012] As an improvement of the elevator guide rail of the utility model, the lower top wall is the concave arc surface.

[0013] As an improvement of the elevator guide rail of the utility model, the two lower side walls are respectively inclined toward the inside and the two are symmetrically arranged.

[0014] As an improvement of the elevator guide rail of the utility model, the guide part includes: an upper side wall and an upper top wall; the lower side wall on either side is connected to an upper side wall through a lower top wall, and the tops of two opposite upper side walls are connected through the upper top wall.

[0015] As an improvement of the elevator guide rail of the utility model, the upper top wall is a plane top wall.

[0016] As an improvement of the elevator guide rail of the utility model, the interior of the elevator guide rail is at least partially filled with foam particles.

[0017] As an improvement of the elevator guide rail of the utility model, the preset section modulus includes: a first section modulus in the X direction and a second section modulus in the Y direction; the range of the first section modulus is 4.80 to 4.90 cm 3 The second section modulus ranges from 3.60 to 3.70 cm 3 .

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model comprehensively considers the section modulus factor and the deflection factor, and optimizes the design of the structure of the elevator guide rail, that is, the guide rail unit is designed as a large-section guide rail structure, so that the elevator guide rail of the utility model has a larger section modulus, which can carry a higher load, and can also provide stable guidance when the elevator runs at high speed to ensure the stable operation of the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional schematic diagram of an elevator guide rail according to the first embodiment of the utility model;

[0021] Figure 2 for Figure 1 A three-dimensional enlarged schematic diagram of the elevator guide rail end structure. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 , 2 As shown, an embodiment of the present disclosure provides an elevator guide rail, which can be applied to an elevator system to provide stable guidance for the operation of an elevator car. The elevator guide rail of this embodiment includes: a base 11 and a guide portion 12.

[0024] Among them, the elevator guide rail is installed in the elevator shaft through the base 11, and the base 11 is hollow. At the same time, the guide part 12 serves as a track for the elevator to slide when the elevator is running. The guide part 12 is hollow and connected to the base 11. The guide part 12 is connected to the base 11 to form a cavity of the elevator guide rail. The cavity makes the elevator guide rail meet the preset section modulus.

[0025] The inventive concept of such a design is that, under a certain amount of material, the base 11 and the guide portion 12 are designed as hollow structures, which have a larger cross-sectional area than the patent No. CN204079156U, and the cross-sectional modulus is related to the cross-sectional area, so that the elevator guide rail of this embodiment has a larger cross-sectional modulus, thereby meeting the actual use requirements. In one embodiment, the preset cross-sectional modulus includes: a first cross-sectional modulus in the X direction and a second cross-sectional modulus in the Y direction; the range of the first cross-sectional modulus is 4.80 to 4.90 cm 3 ; The second section modulus ranges from 3.60 to 3.70 cm 3 .

[0026] Specifically, the base 11 includes: a bottom wall 111, a lower side wall 112 and a lower top wall 113. The lower side walls 112 are respectively connected to both sides of the bottom wall 111, and the lower side walls 112 on either side are connected to the guide portion 12 through a lower top wall 113. Further, the base 11 has at least one concave arc surface, and the concave direction of the arc surface is the direction of the compression force applied to the elevator guide rail when it is installed.

[0027] In this way, the base 11 has a larger contact area, which is conducive to clamping and fixing the base 11 through a clamping assembly (not shown). In one embodiment, the lower top wall 113 is the above-mentioned concave arc surface. In this case, a clamping assembly can be set on both sides of the elevator guide rail, and the clamping assembly on either side is pressed on the corresponding lower top wall 113 to limit the elevator guide rail in the front-to-back direction and the left-to-right direction.

[0028] In addition, the two lower side walls 112 are respectively inclined inward and the two are symmetrically arranged. In this way, the cross-section of the base 11 is a trapezoidal structure. The design of the trapezoidal structure has a relatively large cross-sectional area, which enables the guide rail unit 10 to have a larger section modulus and strength than the existing elevator guide rails, and thus can carry a higher load. When the elevator is running at high speed, it can also provide stable guidance to ensure the stable operation of the elevator. And the side walls of the trapezoidal structure have a certain slope, so that it has a larger surface area, which is conducive to a firm fixed connection with the hoistway.

[0029] The guide portion 12 is connected to the top of the base 11 and is in communication with the base 11. The guide portion 12 can be used as a track for the elevator car guide shoe to run. Specifically, the guide portion 12 includes: an upper side wall 121 and an upper top wall 122. At this time, the lower side wall 112 on either side is connected to an upper side wall 121 through a lower top wall 113, and the tops of the two opposite upper side walls 121 are connected through the upper top wall 122.

[0030] Furthermore, the upper top wall 122 is a plane top wall. This configuration is made in consideration of the fact that the guide shoe of the elevator will be worn to a certain extent when the guide portion 12 contacts the guide shoe. Therefore, the upper top wall 122 is designed as a plane structure, which is conducive to increasing the contact area between the guide portion 12 and the guide shoe, that is, increasing the contact surface, so that the force between the two is evenly dispersed, thereby avoiding local excessive wear caused by excessive local force.

[0031] The elevator guide rail of this embodiment also adopts a silent design, that is, the interior of the elevator guide rail is at least partially filled with foam particles. Such a configuration is conducive to absorbing the noise generated when the elevator car is running. In one embodiment, the foam particles can be polyester or the like.

[0032] To sum up, the utility model comprehensively considers the section modulus factor and the deflection factor, and optimizes the design of the structure of the elevator guide rail, that is, the guide rail unit is designed as a large-section guide rail structure, so that the elevator guide rail of the utility model has a larger section modulus, which can carry a higher load and provide stable guidance when the elevator runs at high speed to ensure the stable operation of the elevator.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An elevator guide rail, characterized in that: The elevator guide rail comprises: a base and a guide portion; The elevator guide rail is installed in the elevator shaft through the base, the base is hollow, and the base has at least one concave arc surface, and the concave direction of the arc surface is the direction of the pressing force applied to the elevator guide rail when it is installed; The guide part serves as a track for the elevator to slide when it is running. The guide part is hollow and connected to the base. The guide part is connected to the base to form a cavity of the elevator guide rail. The cavity enables the elevator guide rail to meet a preset section modulus.

2. The elevator guide rail according to claim 1, characterized in that: The base includes: a bottom wall, a lower side wall and a lower top wall; the lower side walls are respectively connected to two sides of the bottom wall, and the lower side walls on both sides are respectively connected to the guide part through a lower top wall.

3. The elevator guide rail according to claim 2, characterized in that: The lower top wall is the concave arc surface.

4. The elevator guide rail according to claim 2, characterized in that: The two lower side walls are respectively inclined toward the inside and are symmetrically arranged.

5. The elevator guide rail according to claim 2, characterized in that: The guide portion includes: an upper side wall and an upper top wall; the lower side wall on either side is connected to an upper side wall via a lower top wall, and the tops of two opposite upper side walls are connected via the upper top wall.

6. The elevator guide rail according to claim 5, characterized in that: The upper top wall is a planar top wall.

7. The elevator guide rail according to claim 1, characterized in that: The interior of the elevator guide rail is at least partially filled with foam particles.

8. The elevator guide rail according to claim 1, characterized in that: The preset section modulus includes: a first section modulus in the X direction and a second section modulus in the Y direction; the range of the first section modulus is 4.80 to 4.90 cm 3 The second section modulus ranges from 3.60 to 3.70 cm 3 .

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