An escalator emergency stop device

By designing an escalator emergency stop device that includes a base, guard plate, pull assembly, control assembly and push assembly, the problem of difficulty in convenient emergency stop and misoperation of existing equipment is solved, and a safe and convenient emergency stop operation is achieved.

CN222714862UActive Publication Date: 2025-04-04DONGGUAN SHUNJIE ELEVATOR CO LTD
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Patent Information

Application Number
CN202420954690.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-04-04
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

When using existing escalator emergency stop equipment, it is difficult for personnel to perform emergency stop operations at any location of the escalator, and it is easy for personnel to operate incorrectly, affecting safe operation.

Method used

Design an emergency stop device for escalator, including base, guard plate, pull assembly, control assembly and push assembly, pull plate and spring through rope, drive slide rod and vertical rod, squeeze emergency buttons and press switches, and realize emergency stop and alarm functions of escalator.

Benefits of technology

This device allows personnel to facilitate emergency stop operations at any location in the escalator, reduce the risk of misoperation, and effectively ensure the safety of personnel and property.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an emergency stop device for an escalator, comprising a base and a guard plate, wherein an emergency stop component is installed on the base, wherein the emergency stop component comprises a guard sleeve and an alarm, wherein a pulling component is installed on the guard plate, wherein the pulling component comprises a rope and a guide sleeve, wherein a fixing component is installed on the inner side of the base, wherein the fixing component comprises a pulling plate and a spring, wherein a control component is installed on the inner side of the guard sleeve, wherein the control component comprises an emergency button and a push switch. When an abnormality occurs in the escalator, the emergency stop device for the escalator enables personnel standing on the escalator to pull the rope with force, and personnel outside the escalator can also press the press plate and then press the emergency button, so that personnel can conveniently perform emergency stop at any position of the escalator, effectively ensure the safety of personnel and property, prevent the escalator from stopping by mistake due to personnel pulling the rope by mistake, ensure the operation safety of the escalator, and is suitable for emergency stop control of the escalator.
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Description

Technical Field

[0001] The utility model relates to the technical field of emergency stop equipment for escalators, in particular to an emergency stop device for escalators. Background Art

[0002] In order to ensure the safe operation of escalators, escalator emergency stop equipment is often required. The utility model patent with patent application number CN201820091169.6 discloses an escalator emergency stop device, which is composed of a pair of infrared transmitters and infrared receiver arrays to detect whether each step is running on the elevator running surface, and a pressure sensor array to detect the pressure of each step. The controller determines the step running on the elevator running surface according to the output of the infrared receiver, and determines whether a passenger has fallen according to the output of the pressure sensor of the step running on the elevator running surface. If a passenger has fallen, the elevator emergency stop system is activated to stop the elevator. The passenger fall can be effectively detected and the elevator can be automatically controlled to stop running in time to avoid causing greater harm. According to the technical solution disclosed by the utility model patent, when the existing escalator emergency stop device is used, on the one hand, it is not convenient for personnel to operate the escalator emergency stop at any place of the escalator, which is not conducive to ensuring the safety of personnel and property when the escalator is abnormal. On the other hand, when the rope is used to control the emergency stop of the escalator, it is easy for personnel to operate it incorrectly, which is not conducive to ensuring the safe operation of the escalator.

[0003] Therefore, how to design an emergency stop device for an escalator has become a problem we currently need to solve. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an escalator emergency stop device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable design and is relatively convenient to use, and is suitable for emergency stop control of escalators.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an escalator emergency stop device, comprising a base and a guard plate, an emergency stop assembly is installed on the base, the emergency stop assembly includes a guard plate and an alarm, a pulling assembly is installed on the guard plate, the pulling assembly includes a rope and a guide sleeve, a fixing assembly is installed on the inner side of the base, the fixing assembly includes a pull plate and a spring, a control assembly is installed on the inner side of the guard plate, the control assembly includes an emergency button and a push switch, a trigger assembly is installed on the inner side of the guard plate, the trigger assembly includes a slide rod and a vertical rod, and a pushing assembly is installed on the inner side of the guard plate, the pushing assembly includes a push plate and a connecting rod.

[0006] Furthermore, the guard plate is installed on the top of the base by bolts, the sleeve is welded to one side of the base, the emergency button is installed on the inner side of the sleeve by bolts, the press plate is clamped on the inner side of one end of the sleeve, one end of the connecting rod is welded to the press plate, and the other end of the connecting rod is close to one end of the emergency button.

[0007] Furthermore, the pull plate is installed on the inner side of the base, one side of the pull plate is connected to the inner wall of the base through a spring, a guide plate is welded on the inner side of the base, and a guide groove is opened on the inner side of the guide plate.

[0008] Furthermore, the guide sleeve is mounted on the guard plate by means of bolts, and both ends of the rope pass through the guide sleeve and the guide groove and are bound to the other side of the pull plate.

[0009] Furthermore, the push switch is installed on the inner side of the sheath by bolts, the push switch is installed on the bottom of the emergency button, a baffle is welded on the top of the push switch, and a push plate is welded on the bottom of the emergency button.

[0010] Furthermore, a slide groove is opened on the inner side of the sheath, the slide rod is stuck in the inner side of the slide groove, the vertical rod is welded to the top of one end of the slide rod, and the distance between the vertical rod and the push switch is smaller than the distance between the vertical rod and the emergency button.

[0011] Furthermore, a lever is installed on the inner side of the sheath, one end of the lever is connected to the pull plate through a rotating shaft, and the other end of the lever is connected to the other end of the sliding rod through the rotating shaft.

[0012] Furthermore, the alarm is mounted on the outer side of the base by bolts, and the push switch is connected to the alarm by wires.

[0013] Beneficial effects: 1. When the escalator emergency stop device is working, the base is installed on both sides of the escalator. When the escalator is abnormal, the person standing on the escalator pulls the rope hard, the rope drives the pull plate and stretches the spring, and the pull plate drives the slide rod to move to the right on the inner side of the base through the lever (in the attached Figure 2 In the direction), the sliding rod drives the vertical rod to move, and the vertical rod squeezes the press switch and the emergency button, and the escalator is stopped urgently through the emergency button. The emergency button maintains pressure on the press switch through the push plate and the baffle, and turns on the alarm through the press switch to warn. When the safety hazard of the escalator is eliminated, the press plate is squeezed, and the press plate squeezes the emergency button for the second time through the guide rod, so that the emergency button is restored, and the escalator resumes normal operation. People on the outside of the escalator can also squeeze the press plate, and the press plate squeezes the emergency button through the connecting rod without overcoming the tension of the spring, which is convenient for people to make an emergency stop at any place of the escalator, effectively ensuring the safety of people and property.

[0014] 2. When the emergency stop device of the escalator is in use, when a person pulls the rope by mistake, the rope needs a certain amount of force to be pulled under the elastic force of the pull plate and the spring. At the same time, after the pull plate is pulled, the pull plate drives the sliding rod through the lever, so that the vertical rod first squeezes the press switch, and then turns on the alarm to alarm, so that the lifting personnel can release the rope in time. After the rope is released, the press switch is automatically closed to prevent the escalator from stopping by mistake due to the person pulling the rope by mistake, thereby ensuring the safe operation of the escalator.

[0015] 3. The escalator emergency stop device is reasonably designed, efficient and convenient to use, and is suitable for emergency stop control of escalators. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an emergency stop device for an escalator according to the utility model;

[0017] Figure 2 It is a side sectional view of the base of an escalator emergency stop device of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a protective cover of an emergency stop device for an escalator according to the utility model;

[0019] In the figure: 1. base; 2. guard plate; 3. cover; 4. alarm; 5. rope; 6. guide sleeve; 7. guide plate; 8. pull plate; 9. spring; 10. emergency button; 11. press plate; 12. connecting rod; 13. push switch; 14. push plate; 15. baffle; 16. slide rod; 17. vertical rod; 18. lever. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 3The utility model provides a technical solution: an escalator emergency stop device, comprising a base 1 and a guard plate 2, an emergency stop component is installed on the base 1, the emergency stop component includes a sheath 3 and an alarm 4, a pulling component is installed on the guard plate 2, the pulling component includes a rope 5 and a guide sleeve 6, a fixing component is installed on the inner side of the base 1, the fixing component includes a pull plate 8 and a spring 9, a control component is installed on the inner side of the sheath 3, the control component includes an emergency button 10 and a push switch 13, a trigger component is installed on the inner side of the sheath 3, the trigger component includes a slide rod 16 and a vertical rod 17, a pushing component is installed on the inner side of the sheath 3, the pushing component includes a press plate 11 and a connecting rod 12, a slide groove is opened on the inner side of the sheath 3, the slide rod 16 is stuck in the inner side of the slide groove, the vertical rod 17 is welded to the top of one end of the slide rod 16, and the vertical rod 17 is connected to the push switch The spacing between the vertical rod 17 and the emergency button 10 is smaller than the spacing between the vertical rod 17 and the emergency button 10. A lever 18 is installed on the inner side of the sheath 3. One end of the lever 18 is connected to the pull plate 8 through a rotating shaft, and the other end of the lever 18 is connected to the other end of the slide rod 16 through a rotating shaft. The alarm 4 is installed on the outer side of the base 1 by bolts, and the push switch 13 is connected to the alarm 4 through an electric wire. When in use, when a person pulls the rope 5 by mistake, the rope 5 requires a certain amount of force to be pulled under the elastic force of the pull plate 8 and the spring 9. At the same time, after the pull plate 8 is pulled, the pull plate 8 drives the slide rod 16 through the lever 18, so that the vertical rod 17 first squeezes the push switch 13, and then opens the alarm 4 to perform the alarm work, so that the lifting personnel can release the rope 5 in time. After the rope 5 is released, the push switch 13 is automatically closed to prevent the escalator from stopping by mistake due to the person pulling the rope 5 by mistake, thereby ensuring the safe operation of the escalator.

[0022] In this embodiment, the guard plate 2 is installed on the top of the base 1 by bolts, the sheath 3 is welded to one side of the base 1, the emergency button 10 is installed on the inner side of the sheath 3 by bolts, the press plate 11 is clamped on the inner side of one end of the sheath 3, one end of the connecting rod 12 is welded to the press plate 11, and the other end of the connecting rod 12 is close to one end of the emergency button 10, the pull plate 8 is installed on the inner side of the base 1, one side of the pull plate 8 is connected to the inner wall of the base 1 by a spring 9, a guide plate 7 is welded on the inner side of the base 1, a guide groove is provided on the inner side of the guide plate 7, and the guide sleeve 6 is installed on the guard plate 2 by bolts, Both ends of the rope 5 pass through the guide sleeve 6 and the guide groove and are bound to the other side of the pull plate 8. The push switch 13 is installed on the inner side of the sheath 3 by bolts. The push switch 13 is installed at the bottom of the emergency button 10. A baffle 15 is welded on the top of the push switch 13, and a push plate 14 is welded on the bottom of the emergency button 10. When working, the base 1 is installed on both sides of the escalator. When the escalator is abnormal, the person standing on the escalator pulls the rope 5 hard, and the rope 5 drives the pull plate 8 and stretches the spring 9. The pull plate 8 drives the slide rod 16 to move to the right on the inner side of the base 1 through the lever 18 (in the attached Figure 2 In the direction), the sliding rod 16 drives the vertical rod 17 to move, and the vertical rod 17 squeezes the press switch 13 and the emergency button 10, and the escalator is urgently stopped by the emergency button 10. The emergency button 10 maintains the pressure on the press switch 13 through the push plate 14 and the baffle 15, and turns on the alarm 4 by pressing the 13 switch to warn. When the safety hazard of the escalator is eliminated, the press plate 11 is squeezed, and the press plate 11 squeezes the emergency button 10 for the second time through the guide rod 12, so that the emergency button 10 is restored, and the escalator resumes normal operation. People on the outside of the escalator can also squeeze the press plate 11, and the press plate 11 squeezes the emergency button 10 through the connecting rod 12, without overcoming the pulling force of the spring 9, which is convenient for people to make an emergency stop at any place of the escalator, effectively ensuring the safety of people and property.

[0023] The escalator emergency stop device provides power to all electrical equipment through an external power supply. When working, the base 1 is installed on both sides of the escalator. When the escalator is abnormal, the person standing on the escalator pulls the rope 5 with force, and the rope 5 drives the pull plate 8 and stretches the spring 9. The pull plate 8 drives the slide rod 16 to move rightward on the inner side of the base 1 through the lever 18 (in the vicinity of the base 1). Figure 2In the direction), the sliding rod 16 drives the vertical rod 17 to move, and the vertical rod 17 squeezes the press switch 13 and the emergency button 10, and the escalator is stopped urgently by the emergency button 10. The emergency button 10 maintains the pressure on the press switch 13 through the push plate 14 and the baffle 15, and turns on the alarm 4 by pressing the 13 switch to warn. When the safety hazard of the escalator is eliminated, the press plate 11 is squeezed, and the press plate 11 squeezes the emergency button 10 for the second time through the guide rod 12, so that the emergency button 10 is restored, and the escalator resumes normal operation. People outside the escalator can also squeeze the press plate 11, and the press plate 11 squeezes the emergency button 10 through the connecting rod 12 The emergency button 10 does not need to overcome the tension of the spring 9, which is convenient for personnel to make an emergency stop at any point of the escalator, effectively ensuring the safety of personnel and property. When a person pulls the rope 5 by mistake, the rope 5 requires a certain amount of force to be pulled under the elastic force of the pull plate 8 and the spring 9. At the same time, after the pull plate 8 is pulled, the pull plate 8 drives the slide rod 16 through the lever 18, so that the vertical rod 17 first squeezes the press switch 13, and then turns on the alarm 4 to alarm, so that the lifting personnel can release the rope 5 in time. After the rope 5 is released, the press switch 13 is automatically closed to prevent the escalator from stopping by mistake due to the person pulling the rope 5 by mistake, thereby ensuring the safe operation of the escalator.

[0024] 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 escalator emergency stop device, comprising a base (1) and a guard plate (2), wherein an emergency stop assembly is mounted on the base (1), wherein the emergency stop assembly comprises a sheath (3) and an alarm (4), and wherein: A pulling assembly is installed on the guard plate (2), and the pulling assembly includes a rope (5) and a guide sleeve (6); a fixing assembly is installed on the inner side of the base (1), and the fixing assembly includes a pulling plate (8) and a spring (9); a control assembly is installed on the inner side of the sheath (3), and the control assembly includes an emergency button (10) and a push switch (13); a trigger assembly is installed on the inner side of the sheath (3), and the trigger assembly includes a sliding rod (16) and a vertical rod (17); a pushing assembly is installed on the inner side of the sheath (3), and the pushing assembly includes a push plate (11) and a connecting rod (12).

2. The escalator emergency stop device according to claim 1, characterized in that: The guard plate (2) is mounted on the top of the base (1) by means of bolts, the shield (3) is welded to one side of the base (1), the emergency button (10) is mounted on the inner side of the shield (3) by means of bolts, the push plate (11) is clamped on the inner side of one end of the shield (3), one end of the connecting rod (12) is welded to the push plate (11), and the other end of the connecting rod (12) is close to one end of the emergency button (10).

3. The escalator emergency stop device according to claim 2, characterized in that: The pull plate (8) is installed on the inner side of the base (1), one side of the pull plate (8) is connected to the inner wall of the base (1) via a spring (9), a guide plate (7) is welded on the inner side of the base (1), and a guide groove is provided on the inner side of the guide plate (7).

4. The escalator emergency stop device according to claim 3, characterized in that: The guide sleeve (6) is mounted on the guard plate (2) by means of bolts, and both ends of the rope (5) pass through the guide sleeve (6) and the guide groove and are bound to the other side of the pull plate (8).

5. The escalator emergency stop device according to claim 1, characterized in that: The push switch (13) is installed on the inner side of the sheath (3) by means of bolts. The push switch (13) is installed at the bottom of the emergency button (10). A baffle (15) is welded to the top of the push switch (13), and a push plate (14) is welded to the bottom of the emergency button (10).

6. An escalator emergency stop device according to claim 5, characterized in that: A slide groove is provided on the inner side of the sheath (3), the slide rod (16) is stuck on the inner side of the slide groove, the vertical rod (17) is welded to the top of one end of the slide rod (16), and the distance between the vertical rod (17) and the push switch (13) is smaller than the distance between the vertical rod (17) and the emergency button (10).

7. An escalator emergency stop device according to claim 6, characterized in that: A lever (18) is installed inside the sheath (3), one end of the lever (18) is connected to the pull plate (8) via a rotating shaft, and the other end of the lever (18) is connected to the other end of the sliding rod (16) via a rotating shaft.

8. The escalator emergency stop device according to claim 7, characterized in that: The alarm (4) is mounted on the outer side of the base (1) by means of bolts, and the push switch (13) is connected to the alarm (4) by means of wires.

Citation Information

Patent Citations

  • Hand elevator scram device

    CN208087034U