CN218595828U

CN218595828U - Hollow elevator guide rail

Info

Publication number: CN218595828U
Application number: CN202223177776.XU
Authority: CN
Inventors: 邓峰松; 刘香松; 黄涤; 张凯; 吕佳庭
Original assignee: Marazzi Jiangsu Elevator Guide Rail Co ltd
Current assignee: Marazzi Jiangsu Elevator Guide Rail Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-10
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to an elevator guide rail technical field especially relates to a hollow elevator guide rail, include: the rail comprises a rail bottom and a rail head vertical to the rail bottom; the rail bottom is provided with a fixing surface and two positioning surfaces which are bent upwards and extend along the vertical fixing surface; the rail head is provided with two guide rail surfaces which are arranged in parallel and a guide surface which is connected with the two guide rail surfaces; two symmetrical supporting parts are arranged at the joint of the free ends of the two positioning surfaces and the free ends of the two guide rail surfaces, each supporting part comprises a first supporting surface which is bent outwards and extends along the guide rail surface and a second supporting surface which is bent downwards and extends along the free end of the first supporting surface and is connected with the positioning surface, and the second supporting surface is obliquely arranged. Compared with the prior art, the support part is arranged on the basis of the T-shaped guide rail, the deformation resistance of the joint is enhanced through the first support surface and the second support surface, and the stress strength of the guide rail surface is enhanced, so that the deformation resistance of the guide rail surface is enhanced, and the safety performance and the stability of the elevator guide rail are effectively improved.

Description

Hollow elevator guide rail

Technical Field

The utility model relates to an elevator guide rail technical field especially relates to a hollow elevator guide rail.

Background

The elevator guide rail is a safety rail for the elevator to run up and down in the hoistway, and is fixedly connected to the wall of the hoistway by utilizing the guide rail, the connecting plate, the guide rail bracket and other components, so that the elevator can run up and down safely along the hoistway. The guide rail commonly used for the elevator is a T-shaped guide rail, has the characteristics of strong rigidity, high reliability, safety, low price and the like, the plane of the guide rail must be smooth without obvious uneven surfaces, but the guide rail can bear the impact force generated when a car and the elevator are braked and the impact force generated when a safety tongs are emergently braked while playing a role in guiding, the magnitude of the forces is related to the load mass and the speed of the elevator, and the hollow elevator guide rail is light in weight and can be rapidly and widely applied to the elevator industry.

In the prior art, the hollow guide rail comprises a rail bottom and a rail head, the rail bottom and the rail head are integrally connected, the rail bottom is fixed on a wall of a hoistway wall through a guide rail frame, the rail head is used for guiding an elevator to run up and down, but the structural strength of the joint of the rail bottom and the rail head is poor, so that the bearing capacity of the elevator guide rail is poor, and the running safety and stability of the elevator cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the hollow elevator guide rail is provided, and the problems in the background art are effectively solved.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a hollow elevator guide rail comprising: the rail comprises a rail bottom and a rail head perpendicular to the rail bottom;

the rail bottom is provided with a fixing surface and two positioning surfaces which are bent upwards and extend along the direction vertical to the fixing surface;

the rail head is provided with two guide rail surfaces which are arranged in parallel and a guide surface which connects the two guide rail surfaces;

the free end of the locating surface is provided with two symmetrical supporting parts at the joint of the free end of the guide rail surface, the supporting parts comprise a first supporting surface extending outwards along the guide rail surface and a second supporting surface bending downwards and extending along the free end of the first supporting surface and connected with the locating surface, and the second supporting surface is obliquely arranged.

Further, both of the second bearing surfaces are gradually contracted inward toward the rail head.

Further, the first supporting surface is perpendicular to the guide surface.

Further, the first supporting surface faces the direction of the rail bottom and is obliquely arranged, and the first supporting surface gradually diffuses outwards.

Further, the included angle of the two first supporting surfaces is larger than the included angle of the two second supporting surfaces.

Furthermore, the included angle alpha between the positioning surface and the second supporting surface ranges from 130 degrees to 146 degrees.

Further, the rail bottom and the rail head are connected through the supporting portion to form a closed T-shaped cavity.

Furthermore, polystyrene is filled in the closed T-shaped cavity.

Further, the rail foot, the rail head and the support are integrally formed.

Further, the extension distance of the first supporting surface in the direction parallel to the fixing surface accounts for 13% -41% of the vertical distance between the guide surface and the positioning surface.

The utility model has the advantages that: compared with the prior art, the support part is arranged on the basis of the T-shaped guide rail, the anti-deformation capability of the joint is enhanced through the first support surface and the second support surface, and the stress strength of the guide rail surface is enhanced, so that the anti-deformation capability of the guide rail surface is enhanced, and the safety performance and the stability of the elevator guide rail are effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front axle measuring view of a hollow elevator guide rail in the embodiment of the invention;

fig. 2 is a schematic structural cross-sectional view of a hollow elevator guide rail according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of another structure of a hollow elevator guide rail according to an embodiment of the present invention;

fig. 4 is a bottom view axis schematic view of the hollow elevator guide rail according to the embodiment of the present invention.

Reference numerals are as follows: 10. a rail bottom; 11. a fixing surface; 12. positioning the surface; 20. a railhead; 21. a guide surface; 22. a guide surface; 30. a support portion; 31. a first support surface; 32. a second support surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

A hollow elevator guide rail as shown in fig. 1 to 4, comprising: a rail foot 10 and a rail head 20 perpendicular to the rail foot 10; the rail bottom 10 is provided with a fixing surface 11 and two positioning surfaces 12 which are bent upwards and extend along the vertical fixing surface 11; the rail head 20 is provided with two guide surfaces 21 which are arranged in parallel and a guide surface 22 which connects the two guide surfaces 21; two symmetrical supporting parts 30 are arranged at the joints of the free ends of the two positioning surfaces 12 and the free ends of the two guide surfaces 21, the supporting parts 30 comprise first supporting surfaces 31 extending outwards along the guide surfaces 21, and second supporting surfaces 32 extending downwards along the free ends of the first supporting surfaces 31 and connected with the positioning surfaces 12, and the second supporting surfaces 32 are obliquely arranged.

Compared with the prior art, the support part 30 is arranged on the basis of the T-shaped guide rail, the deformation resistance of the joint is enhanced through the support part 30, and the stress strength of the guide rail surface 21 is enhanced, so that the deformation resistance of the guide rail surface 21 is enhanced, the integral deformation resistance of the elevator guide rail is improved, and the safety performance and the stability of the elevator guide rail are effectively improved.

The utility model discloses in the preferred embodiment, two second holding surface 32 shrink inwards towards the direction of railhead 20 gradually, the shrink end is connected with the free end of first holding surface 31, preferably, first holding surface 31 sets up with guide rail surface 21 is perpendicular, so that the elevator guide rail has and can be used for fixing a position and spacing position with the rail brackets cooperation, and compress tightly the bottom surface to leaning on rail brackets, realize the location installation of elevator guide rail, and first holding surface 31 and the second holding surface 32 of the setting of symmetry form isosceles trapezoid cavity structures on the elevator guide rail, play the cushioning effect to railhead 20, the stability in the elevator motion process has been guaranteed.

The utility model discloses in the preferred embodiment, first holding surface 31 is the slope setting towards the direction of rail end 10, and two first holding surfaces 31 gradually outwards spread, and two first holding surface 31's contained angle a is greater than two the contained angle b of second holding surface 32 makes the elevator guide rail have outside strong point, and the first holding surface 31 that the slope set up, has increased supporting portion 30's bearing capacity.

The utility model discloses in the preferred embodiment, the value range of contained angle alpha between locating surface 12 and the second holding surface 32 is 130 ~146, has increased elevator guide rail's anti deformability in this contained angle within range.

The utility model discloses in the preferred embodiment, rail end 10 and railhead 20 connect through supporting part 30 and form closed T type cavity, have alleviateed the self weight of guide rail, have saved the material, have reduced guide rail manufacturing cost, and it has polystyrene to seal the inside packing of T type cavity, makes the guide rail have certain cushioning effect, and mechanical strength is good, and has fabulous endurance capacity to the heat damage, has improved the security of guide rail operation.

In the manufacturing process of the elevator guide rail, the rail bottom 10, the rail head 20 and the supporting part 30 are integrally formed, the strength of the guide rail is guaranteed due to the fact that the guide rail is integrally formed, the overall performance of the structure is better, the bending strength is stronger, the guide precision of the guide rail is convenient to control, and the stability of the guide rail in operation is further guaranteed.

In order to facilitate the concatenation of two elevator guide rails, the both ends of stationary plane 11 all are equipped with a plurality of mounting holes, and specifically, a plurality of mounting holes include 4 diameter 11.2's fixed orifices and 2 diameter 4.2's locating hole, have effectively guaranteed guide rail fixed mounting's reliability to the security of guide rail operation has been improved.

In the preferred embodiment of the present invention, the extending distance H of the first supporting surface 31 parallel to the direction of the fixing surface 11 occupies 13% -41% of the vertical distance H between the guiding surface 21 and the positioning surface 12, so as to ensure the overall bearing capacity of the supporting portion 30.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A hollow elevator guide rail, comprising: a rail foot (10) and a rail head (20) perpendicular to the rail foot (10);

the rail bottom (10) is provided with a fixing surface (11) and two positioning surfaces (12) which are bent upwards and extend along the direction vertical to the fixing surface (11);

the rail head (20) is provided with two guide rail surfaces (21) which are arranged in parallel and a guide surface (22) which connects the two guide rail surfaces (21);

two the free end of locating surface (12) and two the junction of the free end of guide rail surface (21) is equipped with two supporting parts (30) of symmetry, supporting part (30) include along guide rail surface (21) outwards buckle first holding surface (31) that extend, and follow buckle downwards the free end of first holding surface (31) extend with second holding surface (32) that locating surface (12) are connected, second holding surface (32) slope sets up.

2. Hollow elevator guide rail according to claim 1, characterized in that the two second support surfaces (32) taper gradually inwards in the direction of the rail head (20).

3. Hollow elevator guide rail according to claim 1, characterized in that the first support surface (31) is arranged perpendicular to the guide surface (21).

4. Hollow elevator guide rail according to claim 1, characterized in that the first support surfaces (31) are arranged obliquely in the direction of the rail foot (10) and that both first support surfaces (31) diverge gradually outwards.

5. Hollow elevator guide rail according to claim 4, characterized in that the angle of the two first support surfaces (31) is larger than the angle of the two second support surfaces (32).

6. The hollow elevator guide rail according to claim 1, wherein the angle α between the positioning surface (12) and the second support surface (32) ranges from 130 ° to 146 °.

7. Hollow elevator guide rail according to claim 1, characterized in that the rail foot (10) and the rail head (20) are connected by the support (30) forming a closed T-shaped cavity.

8. The hollow elevator guide rail according to claim 7, wherein the closed T-shaped cavity is filled with polystyrene.

9. The hollow elevator guide rail according to claim 1, characterized in that the rail foot (10), the rail head (20) and the support (30) are integrally formed.

10. Hollow elevator guide rail according to claim 1, characterized in that the first support surface (31) extends in a direction parallel to the fixing surface (11) over a distance of 13-41% of the vertical distance between the guide surface (21) and the positioning surface (12).