CN214495361U

CN214495361U - Dual protection device for preventing step overturning and chain falling at rotary end

Info

Publication number: CN214495361U
Application number: CN202023306870.1U
Authority: CN
Inventors: 徐耀明; 杨立勇; 杭晓宇
Original assignee: Canny Elevator Co Ltd
Current assignee: Canny Elevator Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a dual protection device that step upset and chain drop are prevented to gyration end, including guide rail part and step fixed connection spare, the fixed settlement in left side of guide rail part has the gyration end, and the left side parallel arrangement of gyration end has prevents the step shedder, the left side parallel arrangement who prevents the step shedder has prevents the step chain shedder, and prevents the right side fixedly connected with step chain of step chain shedder, step fixed connection spare's below parallel arrangement has step chain fixed connection spare, and step fixed connection spare is located the inside of gyration end, step chain fixed connection spare's the left and right sides fixedly connected with step. This dual protection device that step upset and chain drop are prevented to gyration end, the installation is simple and convenient, can keep the stability of staircase to can prevent effectively that the chain from breaking the back and sliding into down the computer lab, avoid the injury that produces personnel and simply effectually prevent that the step from droing.

Description

Dual protection device for preventing step overturning and chain falling at rotary end

Technical Field

The utility model relates to an escalator technical field specifically is a dual protection device that step upset and chain drop are prevented to gyration end.

Background

The escalator, also called as an escalator or an escalator for pedestrians, a handrail elevator and an escalator, comprises a ladder way and handrails at two sides, with the increasing use of the escalator, safety accidents happen at times, particularly casualties accidents caused by step overturning, the escalator is a transportation tool for transporting pedestrians in a transportation belt mode, in recent years, the phenomenon that the escalator does not stop running for the first time after a step collides with a floor plate on a rotary end step and a step chain only has a chain breakage detection device at a lower machine room are caused, and in case of chain breakage, although a main machine stops running and is braked, the chain still possibly slides to the lower machine room to cause injury to people.

The existing escalator is operated reversely, overspeed and broken chain accidents of the steps, the steps are prevented from overturning, the chains are prevented from falling off and are not protected in place, the life health of people is seriously influenced, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing escalator aiming at the above conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual protection device that step upset and chain drop are prevented to gyration end to propose current staircase operation among the above-mentioned background art and reverse, hypervelocity and step broken chain accident, prevent simultaneously that the step upset and prevent that the chain from droing also protect not in place, seriously influence people's life health, the user demand problem of satisfying people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dual protection device that step upset and chain drop are prevented to gyration end, includes guide rail part and step fixed connection spare, the left side fixed set of guide rail part has the gyration end, and the left side parallel set of gyration end has prevents the step sheds the device, the left side parallel set of preventing the step sheds the device has prevents the step chain sheds the device, and prevents the right side fixedly connected with step chain of step chain sheds the device, step fixed connection spare's below parallel set has step chain fixed connection spare, and step fixed connection spare is located the inside of gyration end, step chain fixed connection spare's the left and right sides fixedly connected with step.

Preferably, the central axis of the guide rail component is parallel to the central axis of the rotating end, and the external dimension of the rotating end is matched with the internal dimension of the guide rail component.

Preferably, the central axis of the step anti-falling device is parallel to the central axis of the step chain anti-falling device, and the external dimension of the step chain anti-falling device is matched with the back dimension of the step anti-falling device.

Preferably, the central axis of the step chain fixing and connecting member and the central axis of the step fixing and connecting member coincide with each other, and the outer surface of the step fixing and connecting member and the central axis of the step chain fixing and connecting member are perpendicular to each other.

Preferably, a rotating structure is formed between the step chain and the steps, and the central axis of the steps is perpendicular to the outer surface of the step chain.

Preferably, the steps are symmetrically distributed on the left side and the right side of the step fixing connecting piece, and the outer surface of the step fixing connecting piece is tightly attached to the outer surface of the steps.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the escalator has the advantages that the installation of the steps and the step chains is facilitated through the guide rail parts and the rotating ends, the steps and the step chains can be prevented from being separated from the original movement track, the escalator operation smoothness is ensured, the step falling prevention device and the step chain falling prevention device are adopted, the problem that the step chains and the steps fall off in the operation of the escalator can be avoided, the safety of personnel is ensured, the service life of the escalator is prolonged, and the maintenance cost is reduced;

2. the ladder has the advantages that the stability of the step chain and the steps is guaranteed through the step chain fixed connecting piece and the step fixed connecting piece, the safety of the ladder is improved, the risk is reduced, meanwhile, the economic cost and the water pump maintenance cost are also reduced, the step chain and the steps ensure the running smoothness of the ladder, the falling accidents are reduced, the safety protection of the ladder is facilitated, and the safety is improved;

3. the utility model discloses in through step and step fixed connection spare, the installation is simple and convenient, can keep the stability of staircase to can prevent effectively that the chain from breaking the back and slide into down the computer lab, avoided the injury that produces the personnel and simply effectually prevent that the step from droing.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the top view of the present invention.

In the figure: 1. a guide rail member; 2. a turning end; 3. a step drop prevention device; 4. a step chain falling prevention device; 5. a step chain fixed connecting piece; 6. a step fixing connecting piece; 7. a step chain; 8. and (4) stair steps.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dual protection device that gyration end was prevented step upset and chain and is fallen, including guide rail part 1 and step fixed connection 6, the left side of guide rail part 1 is fixed to be set for has gyration end 2, and the left side parallel arrangement of gyration end 2 has prevents step dropout device 3, the left side parallel arrangement of preventing step dropout device 3 has prevents step chain dropout device 4, and the right side fixedly connected with step chain 7 of preventing step chain dropout device 4, the below parallel arrangement of step fixed connection 6 has step chain fixed connection 5, and step fixed connection 6 is located the inside of gyration end 2, the left and right sides fixedly connected with step 8 of step chain fixed connection 5.

The utility model discloses in: the central axis of the guide rail component 1 is parallel to the central axis of the rotary end 2, and the external dimension of the rotary end 2 is matched with the internal dimension of the guide rail component 1; through the guide rail part 1 and the rotary end 2, the installation of the steps 8 and the step chains 7 is facilitated, the steps 8 and the step chains 7 can be prevented from being separated from the original motion track, and the running smoothness of the escalator is ensured.

The utility model discloses in: the central axis of the anti-step-falling device 3 is parallel to the central axis of the anti-step-chain-falling device 4, and the external dimension of the anti-step-chain-falling device 4 is matched with the back dimension of the anti-step-falling device 3; through the step falling prevention device 3 and the step chain falling prevention device 4, the problem that the step chain 7 and the step chain 8 fall off in the running process of the escalator can be avoided, the safety of personnel is guaranteed, meanwhile, the service life of the escalator is prolonged, and the maintenance cost is reduced.

The utility model discloses in: the central axis of the step chain fixing connecting piece 5 and the central axis of the step fixing connecting piece 6 are overlapped, and the outer surface of the step fixing connecting piece 6 is vertical to the central axis of the step chain fixing connecting piece 5; through the step chain fixing connecting piece 5 and the step fixing connecting piece 6, the stability of the step chain 7 and the step 8 is ensured, the safety of the escalator is improved, the risk is reduced, and meanwhile, the economic cost and the water pump maintenance cost are also reduced.

The utility model discloses in: a rotating structure is formed between the step chain 7 and the step 8, and the central axis of the step 8 is vertical to the outer surface of the step chain 7; through the step chain 7 and the steps 8, the running smoothness of the escalator is guaranteed, the falling accidents are reduced, the safety protection of the escalator is facilitated, and the safety is improved.

The utility model discloses in: the steps 8 are symmetrically distributed on the left side and the right side of the step fixing connecting piece 6, and the outer surface of the step fixing connecting piece 6 is tightly attached to the outer surface of the steps 8; through the steps 8 and the step fixed connecting pieces 6, the stability of the escalator can be kept, the situation that the chain slides into a lower machine room after being broken can be effectively prevented, the injury to personnel is avoided, and the steps are simply and effectively prevented from falling off.

The working principle of the dual-protection device for preventing the turning of the step and the falling of the chain at the rotary end is as follows: firstly, the installation of the steps 8 and the step chains 7 is facilitated through the guide rail component 1 and the rotary end 2, the steps 8 and the step chains 7 can be prevented from being separated from the original motion track, and the running smoothness of the escalator is ensured; secondly, the step falling prevention device 3 and the step chain falling prevention device 4 are integrated parts connected by welding and fastening pieces through the step falling prevention device 3 and the step chain falling prevention device 4, the parts are welded at the position of the rotary end 2 on the lower guide rail part 1, and because the step chain wheel at the part of the rotary end 2 has no rail pressing protection, when the step chain 7 is broken once, the chain is in a loose state and can directly fall off together with the step 8 at the part of the rotary end 2, even the step 8 can break off from the step chain and fly out to damage other parts; secondly, the stability of the step chain 7 and the step 8 is ensured through the step chain fixing connecting piece 5 and the step fixing connecting piece 6, the safety of the escalator is improved, the risk is reduced, and meanwhile, the economic cost and the water pump maintenance cost are also reduced; then, through the step chain 7 and the steps 8, the running smoothness of the escalator is guaranteed, the falling accidents are reduced, the escalator is conveniently protected safely, and the safety is improved; finally, the device effectively prevents the step chain 7 from breaking and separating and prevents the potential safety hazard of flying out of the steps 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dual protection device that gyration end was prevented step upset and chain and is fallen, includes guide rail part (1) and step fixed connection spare (6), its characterized in that: the fixed gyration end (2) of being set for in left side of guide rail part (1), and the left side parallel arrangement of gyration end (2) has prevents step sheds device (3), the left side parallel arrangement of preventing step sheds device (3) has prevents step chain sheds device (4), and prevents right side fixedly connected with step chain (7) of step chain sheds device (4), the below parallel arrangement of step fixed connection spare (6) has step chain fixed connection spare (5), and step fixed connection spare (6) are located the inside of gyration end (2), the left and right sides fixedly connected with step (8) of step chain fixed connection spare (5).

2. The dual protection device for preventing step overturn and chain falling at a revolving end of claim 1, wherein: the central axis of the guide rail component (1) is parallel to the central axis of the rotary end (2), and the external dimension of the rotary end (2) is matched with the internal dimension of the guide rail component (1).

3. The dual protection device for preventing step overturn and chain falling at a revolving end of claim 1, wherein: the central axis of the step falling prevention device (3) is parallel to the central axis of the step chain falling prevention device (4), and the external dimension of the step chain falling prevention device (4) is matched with the back dimension of the step falling prevention device (3).

4. The dual protection device for preventing step overturn and chain falling at a revolving end of claim 1, wherein: the central axis of the step chain fixed connecting piece (5) and the central axis of the step fixed connecting piece (6) are mutually overlapped, and the outer surface of the step fixed connecting piece (6) is perpendicular to the central axis of the step chain fixed connecting piece (5).

5. The dual protection device for preventing step overturn and chain falling at a revolving end of claim 1, wherein: a rotating structure is formed between the step chain (7) and the steps (8), and the central axis of each step (8) is perpendicular to the outer surface of the step chain (7).

6. The dual protection device for preventing step overturn and chain falling at a revolving end of claim 1, wherein: the steps (8) are symmetrically distributed on the left side and the right side of the step fixing connecting piece (6), and the outer surface of the step fixing connecting piece (6) is tightly attached to the outer surface of the steps (8).