Escalator hand strap running speed deviation detection structure

By installing a linear speed detection device on the escalator and using suction cups and swing arms to adjust the detection wheel to fit the surface of the handrail or steps, the problem of needing to stop the machine for handrail speed detection is solved, enabling online rapid detection and correction, and improving detection efficiency and safety.

CN223792742UActive Publication Date: 2026-01-13ZHEJIANG TEAN TESTING TECH CO LTD
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Patent Information

Application Number
CN202520543567.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-01-13
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing handrail speed detection methods require machine shutdown for testing and cannot quickly detect speed deviations between the handrail and steps online during operation.

Method used

Design a structure for detecting deviation in the running speed of escalator handrail belts, including a linear speed detection device. The device is attached to the handrail plate by a suction cup, and the detection wheel is adjusted by a swing arm to fit the surface of the handrail belt or steps. Speed ​​data is collected in real time to achieve non-stop detection.

Benefits of technology

It enables real-time detection of the speed deviation between the handrail and the steps during escalator operation, providing a basis for online correction and improving detection efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an escalator hand strap running speed deviation detection structure which comprises a step running circularly, hand strap breast boards are arranged on the two sides of the step, hand straps running circularly are arranged on the peripheries of the hand strap breast boards, and the step and the hand straps on the two sides are correspondingly provided with linear speed detection devices respectively. The linear speed detection device comprises a suction cup, the top end of the suction cup is connected with a first swing arm through a first hinge shaft, the other end of the first swing arm is connected with a second swing arm through a second hinge shaft, the second swing arm is a telescopic sleeve, and a rotating speed sensor is arranged on the side of the other end of the second swing arm. The rotating speed sensor is connected with a detection wheel through a rotating shaft; the detection wheels are attached to the surfaces of the steps and the surfaces of the hand straps respectively. The device is directly installed and detected under the non-stop state of the escalator, the instantaneous deviation and the average deviation of the operating speed of the hand strap relative to the steps can be obtained, and calibration can be carried out on the basis of the instantaneous deviation and the average deviation.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the escalator detection technical field, especially, relate to a kind of escalator handrail belt running speed deviation detection structure. BACKGROUND

[0002] Escalator is a kind of automatically running upward or downward inclined passenger conveying equipment, and is widely used in airport, station, shopping mall, square and other occasions. The bearing component for conveying passengers of escalator is continuously arranged and reciprocating cycle step, and handrail apron is arranged on both sides of step, and handrail belt is arranged on handrail apron, and handrail belt is also cyclically arranged, and passenger can hold handrail belt when riding escalator, to keep body balance. Under normal circumstances, the running speed of handrail belt and the running speed of step should be consistent, to avoid passenger falling down due to different speeds of hand and foot on handrail belt and step. However, in actual operation of escalator, since handrail belt and step are driven by different transmission components, there may be different speeds between handrail belt and step, so it is necessary to detect and correct the running speed of escalator handrail belt from time to time. The current handrail belt speed detection needs to be detected in stop state, and cannot be detected online quickly. SUMMARY

[0003] The utility model aims at solving the problem that the current differential speed detection of escalator handrail belt needs to be tested in stop state, and cannot be detected online quickly during operation, and provides a kind of escalator handrail belt running speed deviation detection structure.

[0004] The utility model discloses a kind of escalator handrail belt running speed deviation detection structures, including the step of circular operation, step both sides are provided with handrail apron, and handrail apron is provided with the handrail belt of circular operation, and the line speed detection device is correspondingly set to the step and both sides of handrail belt, and the line speed detection device includes suction cup, and the top of suction cup is connected first swing arm by first hinged shaft, and the other end of first swing arm is connected second swing arm by second hinged shaft, and second swing arm is telescopic sleeve, and the other end of second swing arm is provided with speed sensor, and speed sensor is connected with detection wheel by rotating shaft;

[0005] The line speed detection device corresponding to step is installed as follows: suction cup is adsorbed on handrail apron, first swing arm and second swing arm swing downward, and detection wheel is attached to step surface by telescopic adjustment of second swing arm;

[0006] The line speed detection device corresponding to handrail belt is installed as follows: suction cup is adsorbed on handrail apron, first swing arm and second swing arm swing upward, and detection wheel is attached to handrail belt surface by telescopic adjustment of second swing arm.

[0007] Compared with the traditional detection mode, the device can be directly installed and detected under the non-stop state of the escalator, and the detection position is the upper end or lower end of the escalator, generally the lower end of the escalator. First, the suction cups of the three linear velocity detection devices are adsorbed on the handrail panel of the escalator, then the first swing arm and the second swing arm are adjusted, so that the linear velocity detection device for detecting the step is downward, and the linear velocity detection device for detecting the handrail belt is upward, and then the second swing arm is stretched and contracted, so that the detection wheel for detecting the step is attached to the surface of the step, and the detection wheel for detecting the handrail belt is attached to the surface of the handrail belt. The linear velocities of the steps and the handrails on both sides are collected in real time and synchronously, and after running for a period of time, the instantaneous deviation and average deviation of the running speed of the handrail belt compared with the steps can be obtained, and correction can be carried out based on the same.

[0008] As preferred, the handrail panel is a smooth glass surface or a stainless steel surface.

[0009] As preferred, the linear velocity detection position of the step is the horizontal movement position of the step at the upper end or lower end of the escalator.

[0010] As preferred, the linear velocity detection position of the handrail belt is the horizontal movement position of the handrail belt at the upper end or lower end of the escalator.

[0011] As preferred, the first hinge shaft and the second hinge shaft are provided with a tightening bolt.

[0012] As preferred, the telescopic sleeve of the second swing arm is a damping sleeve.

[0013] As preferred, the surface of the detection wheel is a rubber surface.

[0014] As preferred, the rotation speed sensor of each linear velocity detection device is connected to a PC.

[0015] As preferred, the detection wheels of each linear velocity detection device are of the same size.

[0016] As preferred, the rotation shaft passes through the end of the second swing arm and is perpendicular to the second swing arm.

[0017] The utility model discloses a direct installation and detection under the non-stop state of the escalator, and the instantaneous deviation and average deviation of the running speed of the handrail belt compared with the steps can be obtained, and calibration can be carried out based on the same. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described below in combination with the drawings.

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] In the diagram: 1. Step, 2. Handrail panel, 3. Handrail belt, 4. Suction cup, 5. First hinge shaft, 6. First swing arm, 7. Second hinge shaft, 8. Second swing arm, 9. Speed ​​sensor, 10. Detection wheel. Detailed Implementation

[0021] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0022] Example: A structure for detecting deviation in the running speed of an escalator handrail belt, such as... Figure 1 As shown. This structure includes a continuously running staircase 1, handrails 2 on both sides of the staircase, and a continuously running handrail belt 3 around the handrails 2. In this example, the handrails 2 have a smooth stainless steel surface. Linear velocity detection devices are respectively installed on the staircase 1 and the handrail belts 3 on both sides. The linear velocity detection device includes a suction cup 4, the top of which is connected to a first swing arm 6 via a first hinge shaft 5. The other end of the first swing arm 6 is connected to a second swing arm 8 via a second hinge shaft 7. The second swing arm is a telescopic sleeve, and the telescopic sleeve of the second swing arm is a damping sleeve. A speed sensor 9 is provided on the side of the other end of the second swing arm 8. The speed sensors of each linear velocity detection device are connected to a PC. The speed sensor is connected to a detection wheel 10 via a rotating shaft. The wheel surface of the detection wheel 10 is rubber. The detection wheels of each linear velocity detection device are of the same size. The rotating shaft passes through the end of the second swing arm and is perpendicular to the second swing arm. Adjusting bolts are provided at the first hinge shaft 5 and the second hinge shaft 7.

[0023] like Figure 1 As shown, in this example, the linear velocity detection position of step 1 is the horizontal movement position of step 1 at the lower end of the escalator. The linear velocity detection device corresponding to step 1 is installed as follows: the suction cup is attached to the handrail, the first swing arm and the second swing arm swing downward, and the extension and retraction adjustment of the second swing arm makes the detection wheel 10 fit against the surface of step 1.

[0024] like Figure 1 As shown, in this example, the linear velocity detection position of the handrail belt 3 is the horizontal movement position of the handrail belt at the upper or lower end of the escalator. The linear velocity detection device corresponding to the handrail belt 3 is installed as follows: the suction cup is attached to the handrail plate, the first swing arm and the second swing arm swing upward, and the extension and retraction adjustment of the second swing arm 8 makes the detection wheel 10 fit against the surface of the handrail belt 3.

[0025] In detection, first, the suction cups of the three linear velocity detection devices are adsorbed on the handrail apron of the escalator, then the first swing arm and the second swing arm are adjusted, so that the linear velocity detection device for detecting the step is downward, and the linear velocity detection device for detecting the handrail is upward, and then the second swing arm is stretched and contracted, so that the detection wheel for detecting the step is attached to the surface of the step, and the detection wheel for detecting the handrail is attached to the surface of the handrail. The linear velocities of the step and the handrails on both sides are synchronously collected in real time, after running for a period of time, the instantaneous deviation and the average deviation of the running speed of the handrail compared with the step can be obtained, and correction can be carried out based on this.

Claims

1. A structure for detecting deviation in the running speed of an escalator handrail belt, comprising cyclically running steps, handrail panels on both sides of the steps, and a cyclically running handrail belt arranged around the circumference of the handrail panels, characterized in that: The step and the handrail on both sides are respectively provided with a linear velocity detection device, the linear velocity detection device comprises a suction cup, the top end of the suction cup is connected with a first swing arm through a first hinged shaft, the other end of the first swing arm is connected with a second swing arm through a second hinged shaft, the second swing arm is a telescopic sleeve, the side of the other end of the second swing arm is provided with a rotating speed sensor, and the rotating speed sensor is connected with a detection wheel through a rotating shaft; The linear velocity detection device corresponding to the step is installed as follows: the suction cup is adsorbed on the handrail panel, the first swing arm and the second swing arm swing downward, and the second swing arm is adjusted in length to make the detection wheel adhere to the surface of the step; The linear velocity detection device corresponding to the handrail is installed as follows: the suction cup is adsorbed on the handrail panel, the first swing arm and the second swing arm swing upward, and the second swing arm is adjusted in length to make the detection wheel adhere to the surface of the handrail.

2. A structure for detecting a speed deviation of a handrail belt of an escalator according to claim 1, characterized in that: The handrail panel is a smooth glass surface or a stainless steel surface.

3. The escalator handrail belt running speed deviation detection structure according to claim 1, characterized in that: The linear velocity detection position of the step is the horizontal moving position of the step at the upper end or the lower end of the escalator.

4. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The linear velocity detection position of the handrail is the horizontal moving position of the handrail at the upper end or the lower end of the escalator.

5. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The first hinged shaft and the second hinged shaft are provided with a tightening bolt.

6. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The telescopic sleeve of the second swing arm is a damping sleeve.

7. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The wheel surface of the detection wheel is a rubber surface.

8. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The rotating speed sensor of each linear velocity detection device is connected with a PC.

9. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The detection wheels of the linear velocity detection devices are of the same size.

10. The escalator handrail belt running speed deviation detection structure according to claim 1 or 2 or 3, characterized in that: The rotating shaft penetrates through the end of the second swing arm and is perpendicular to the second swing arm.