Escalator and hand strap fracture detection device

Abstract

The utility model discloses an escalator and a handrail belt breakage detection device, the escalator handrail belt breakage detection device comprises a base plate, an electrical switch is arranged on the base plate, the base plate is connected with a detection wheel through a connecting rod, the base plate is rotatably connected with the connecting rod, and a trigger button of the electrical switch directly faces the connecting rod; and when the detection wheel moves downwards, the connecting rod triggers the electric switch. The escalator hand strap fracture detection device has the advantages that the escalator hand strap can be subjected to fracture detection, so that the operation safety of the escalator and the hand strap is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of escalators, in particular to an escalator and a handrail belt breakage detection device. BACKGROUND

[0002] Escalators are widely used in places with a large number of people, and play an important role in key places such as shopping malls, supermarkets, subways and airports. They not only improve the convenience of people's travel, but also provide an excellent viewing experience. They are the most common special equipment in people's daily life. When passengers ride escalators, steps, tread plates or rubber belts provide space and support for passengers to stand, and handrail belts become important points for passengers to hold, maintain balance and stability, and are important running parts. In fact, the special equipment safety technical specification TSG T7001-2023 (hereinafter referred to as the inspection specification) has many requirements for the handrail belt of the escalator. The handrail belt should run synchronously with the steps, tread plates or rubber belts. The deviation of the speed of the handrail belt relative to the actual speed of the steps, tread plates or rubber belts is judged whether it is within the range of 0-2%. For appearance inspection of the handrail belt, the handrail belt should be intact, and the surface should be free of cracks, peeling and severe wear. The maximum crack width of a single crack in the handrail belt should be no more than 3mm.

[0003] Based on the above analysis, the inspection specification has requirements for the running speed and appearance inspection of the handrail belt. However, the current detection of the handrail belt is mainly to detect the running speed and appearance inspection of the handrail belt. The main means of detecting the running speed of the handrail belt is to detect the speed of the driving wheel. If the handrail belt is broken and the driving wheel of the handrail belt is running normally, the fault cannot be detected. Moreover, appearance inspection of the handrail belt is time-consuming and laborious. Most handrail belts are made of rubber, and it is difficult to find hidden safety hazards. Therefore, the handrail belt of the escalator has the risk of potential breakage during operation, thereby affecting the safety of passengers. Moreover, since the escalator usually does not have safety protection measures for the handrail belt breakage, the safety of passengers cannot be effectively guaranteed when the handrail belt breaks. SUMMARY

[0004] The present application provides an escalator and a handrail belt breakage detection device, which has the advantage of being able to detect the breakage of the handrail belt of the escalator, thereby improving the running safety of the escalator and the handrail belt.

[0005] The above-mentioned object of the present application is achieved by the following technical solutions:

[0006] On the one hand, the present application provides an escalator handrail belt breakage detection device, which comprises a base plate, an electrical switch is arranged on the base plate, and a detection wheel is connected to the base plate through a connecting rod. The base plate and the connecting rod are rotatably connected, and the trigger button of the electrical switch is opposite to the connecting rod. When the detection wheel moves downward, the connecting rod triggers the electrical switch.

[0007] Further, the elastic device is provided between the substrate and the connecting rod, and is used for balancing the dead weight of the detection wheel.

[0008] Further, the electric switch is a normally closed switch.

[0009] Further, the substrate is further provided with a disinfection device and / or a cleaning device, the disinfection device is an ultraviolet lamp, and the cleaning device is a disinfection brush.

[0010] In another aspect, the application provides an escalator, comprising a handrail, the handrail being driven by a handrail driving wheel and a handrail driven wheel, and a handrail breakage detection device as described above being arranged below the handrail between the handrail driving wheel and the handrail driven wheel, the detection wheel being in contact with the handrail, and the electric switch being connected to a safety circuit of the escalator.

[0011] In summary, the application has the following advantages:

[0012] 1. In the application, the safety switch is triggered when the handrail breaks, so as to control the escalator to stop and ensure the safety of passengers.

[0013] 2. In the application, the disinfection device is arranged to disinfect the handrail, so as to clean the pollutants brought by the detection wheel to the handrail and improve the hygiene of the handrail. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the escalator in an embodiment of the application;

[0015] Figure 2 is a schematic diagram of the principle of the handrail breakage detection device of the escalator in an embodiment of the application;

[0016] Figure 3 is a schematic diagram of the ultraviolet lamp in an embodiment of the application;

[0017] Figure 4 is a schematic diagram of the disinfection brush in an embodiment of the application.

[0018] In the figure, 1 is a handrail, 2 is a handrail driving wheel, 3 is a handrail breakage detection device, 4 is a disinfection and cleaning device, and 5 is a handrail driven wheel. DETAILED DESCRIPTION

[0019] The specific embodiments of the application will be described in detail below with reference to the accompanying drawings.

[0020] Embodiment one: a handrail breakage detection device of an escalator, referring to Figures 1-4The automatic escalator handrail breakage detection device comprises a substrate, an electrical switch arranged on the substrate, a detection wheel connected to the substrate through a connecting rod, a rotating connection between the substrate and the connecting rod, and a trigger button of the electrical switch facing the connecting rod; when the detection wheel moves downward, the connecting rod triggers the electrical switch.

[0021] An elastic device is arranged between the substrate and the connecting rod to balance the weight of the detection wheel, and the elastic device is a torsion spring, a spring or an elastic support.

[0022] The electrical switch is a normally closed switch.

[0023] The substrate is further provided with a disinfection device and / or a cleaning device 4, the disinfection device is an ultraviolet lamp, and the cleaning device is a disinfection brush. Figure 3 The disinfection device is an ultraviolet lamp, and the distance between the ultraviolet lamp and the handrail is kept between 10-30 mm, so that the disinfection device can better play a role in disinfecting the handrail. Figure 4 The disinfection device is a disinfection brush, which is pressed against the handrail to clean the handrail. The detection wheel is not easy to clean, and the use of the disinfection device and the cleaning device can effectively clean and disinfect the handrail contaminated by the detection wheel.

[0024] Embodiment two: an automatic escalator, referring to Figures 1-4 The automatic escalator handrail breakage detection device comprises a substrate, an electrical switch arranged on the substrate, a detection wheel connected to the substrate through a connecting rod, a rotating connection between the substrate and the connecting rod, and a trigger button of the electrical switch facing the connecting rod; when the detection wheel moves downward, the connecting rod triggers the electrical switch.

[0025] When the handrail runs to the lower half of the turning branch, a breakage detection device is arranged between the handrail driving wheel and the turning wheel (i.e. the handrail driven wheel), and a detection wheel in the breakage detection device rotates with the running of the handrail. When the handrail breaks, the handrail drives the detection wheel to move downward to actuate the electrical switch, cut off the power supply, and stop the operation of the automatic escalator. In addition, a disinfection and sterilization cleaning device is connected to the substrate of the breakage detection device, which contacts the handrail to complete the disinfection and sterilization cleaning function.

[0026] The substrate in the automatic escalator handrail breakage detection device is installed on the automatic escalator truss. It can be understood that the electrical switch and the connecting rod can also be directly installed on the automatic escalator truss, and at this time the automatic escalator truss serves as the substrate.

[0027] The current handrail belt detection is mainly to detect the running speed and appearance inspection of the handrail belt, the running speed inspection of the handrail belt is mainly to detect the driving wheel, if the handrail belt is broken and the handrail belt driving wheel is normal, it is impossible to detect the fault; Furthermore, the appearance inspection of the handrail belt is time-consuming and laborious, most of the handrail belts are rubber materials, and it is difficult to find hidden safety hazards. Therefore, the device can not only detect in time when the handrail belt is broken, stop the elevator operation and reduce the forward leaning or backward leaning risk of passengers, but also can disinfect, sterilize and clean the handrail belt, reduce the maintenance cost and labor cost, especially in special period such as epidemic, it has practical value, and is worth popularizing.

[0028] The above is only the preferred embodiment of the application, and it should be pointed out that for ordinary skilled persons in the art, without departing from the creative concept of the application, a number of modifications and improvements can be made, which all belong to the protection scope of the application.

Claims

1. An escalator handrail belt breakage detection device, characterized by, The utility model relates to an escalator handrail breakage detection device, which comprises a substrate provided with an electric switch, a detection wheel connected to the substrate through a connecting rod, a rotating connection between the substrate and the connecting rod, and a trigger button of the electric switch facing the connecting rod.

2. The escalator handrail breakage detection device according to claim 1, characterized by An elastic device is arranged between the substrate and the connecting rod to balance the weight of the detection wheel, and the elastic device is a torsion spring, a spring or an elastic support.

3. The escalator handrail breakage detection device according to claim 1, characterized by The electric switch is a normally closed switch.

4. The escalator handrail breakage detection device according to claim 1, characterized by The substrate is further provided with a disinfection device and / or a cleaning device, wherein the disinfection device is an ultraviolet lamp, and the cleaning device is a disinfection brush.

5. An escalator, characterized in that The utility model relates to an escalator handrail breakage detection device, which comprises a substrate provided with an electric switch, a detection wheel connected to the substrate through a connecting rod, a rotating connection between the substrate and the connecting rod, and a trigger button of the electric switch facing the connecting rod.

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