Head collision prevention protective plate for escalator and moving sidewalk
By using a sliding guard plate and a buzzer alarm system, the problem of passenger injury during collisions of escalator and moving walkway anti-collision guard plates is solved, realizing safety buffering and warning functions to ensure passenger safety.
Patent Information
- Application Number
- CN202423246796.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing head guards of escalators and moving walkways are fixedly installed on walls or outer covers, which may cause injury to passengers in the event of a collision.
The second guard plate is connected to the first guard plate by a sliding connection, buffered by elastic elements, and equipped with a buzzer alarm system. The anti-collision end is arc-shaped and has a flexible anti-collision pad on the outside. Guide rollers and one-way bearings guide passengers safely back to the inside. Limiting elements and contact switches ensure safety.
It effectively reduces passenger injuries during collisions, alerts passengers through elastic cushioning and alarm systems, ensures safe avoidance, prevents more serious injuries, and stops escalator operation when necessary.
Smart Images
Figure CN223561070U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of escalator safety protection plate, specifically is a kind of escalator and moving sidewalk anti-collision head guard plate. BACKGROUND
[0002] Large public places often need to transport people to different floors by escalator / moving sidewalk and other transport equipment, and the arrangement of automatic escalator / moving sidewalk often forms a triangular dangerous area with adjacent escalator / moving sidewalk or building. If the head, hand or other limbs of the passenger are accidentally extended outside the handrail belt of the escalator / moving sidewalk when using the escalator / moving sidewalk, the area may cause impact, crushing and shearing hazards to the passenger. Therefore, it is necessary to set up a safety protection device in this area.
[0003] According to the national standard, if the building obstacle can cause personal injury, appropriate preventive measures should be taken. Especially at the intersection with the floor and between the escalators / moving sidewalks or moving sidewalks set at each intersection, a protective baffle should be set above the handrail belt. At present, the anti-collision head guard plate of the automatic escalator / moving sidewalk is commonly fixed and installed on the wall panel or the outer cover plate of the automatic escalator / moving sidewalk to warn and block the passengers, but since the plate body itself is a rigid material, there is a risk of injury if the passengers collide with the baffle. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide an anti-collision head guard plate for automatic escalator and moving sidewalk to solve the problem that the current protective plate is fixed and installed on the wall or the outer cover plate of the automatic escalator / moving sidewalk, which may cause injury when the passengers collide.
[0005] The technical solution adopted by the utility model is an anti-collision head guard plate for automatic escalator and moving sidewalk, which comprises a first guard plate, a second guard plate connected to the first guard plate by sliding, a first elastic member provided between the first guard plate and the second guard plate, a buzzer connected to the first guard plate, and a first contact switch installed on the first guard plate, and a second contact switch installed on the second guard plate and abutting against the first contact switch.
[0006] After adopting the above structure, the following beneficial effects are achieved:
[0007] 1. The second guard plate is connected to the first guard plate by sliding through the elastic member, and the second guard plate first warns and blocks the passengers, so that when the passengers come into contact with the second guard plate, the second guard plate can be moved a distance, and under the buffering action of the elastic member, the problem of injury caused by the collision between the passengers and the second guard plate is avoided.
[0008] 2. When the second guard plate is pushed by the passenger, the second contact switch is brought into contact with the first contact switch, thus making the circuit connected and the buzzer alarm to remind the passenger to avoid more serious injury.
[0009] Preferably, the end of the second guard plate is provided with an anti-collision end, which is arc-shaped, and the outer side of the anti-collision end is connected with a flexible anti-collision pad.
[0010] The arc-shaped anti-collision end can avoid the sharp edges of the guard plate to cause injury to the passenger, and the flexible anti-collision pad can also buffer the contact between the passenger and the anti-collision end, further reducing the injury of the passenger when colliding with the guard plate.
[0011] Preferably, the first guard plate is further connected with a fixed frame assembly, the first guard plate and the fixed frame assembly are rotationally connected, and a second elastic member is arranged between the first guard plate and the fixed frame assembly.
[0012] Such a setting makes the first guard plate be able to rotate when the second guard plate is pushed to the bottom, avoiding the first and second guard plates to cause extrusion and other injuries to the passenger, and the passenger can be guided back to the inner side of the escalator through the inclined first guard plate, and the second elastic member is a torsion spring, so that the first guard plate has a tendency to turn upward, and through such a setting, when the first guard plate is stressed, it can be guided by the second elastic member to rotate towards the outer side of the escalator.
[0013] Preferably, the anti-collision end of the second guard plate is further rotationally connected with a guide roller, and the outer periphery of the guide roller is wrapped with a flexible material.
[0014] The guide roller is located at the anti-collision end, and when the passenger contacts the anti-collision end, the guide roller is contacted first, and the passenger is guided to move towards the inner side of the escalator through the rotation of the guide roller, avoiding injury to the passenger, and the flexible material on the outer side of the guide roller can also be buffered to reduce the discomfort of the passenger when contacting the guide roller.
[0015] Preferably, a one-way bearing is further arranged between the guide roller and the second guard plate.
[0016] The arrangement of the one-way bearing makes the guide roller only be able to guide the passenger to move towards the inner side of the escalator or moving walkway when the passenger contacts the guide roller, and the guide roller cannot rotate towards the other side, and when the guide roller has a tendency to move towards the other side under stress, the second guard plate is effectively pushed to move, and the buzzer alarm is further made.
[0017] Preferably, a third elastic member for abutting against the first guard plate is further installed on the fixed frame assembly.
[0018] The third elastic member is made of spring steel plate, and can block the rotation of the first guard plate through the elastic force, on the one hand, prevents the rotation angle of the first guard plate from being too large, so that the first guard plate is kept at an angle of about 30° with the vertical direction, which can not only avoid injuring the passengers, but also guide the passengers to move towards the inside of the escalator, on the other hand, the elasticity of the third elastic member can be buffered to avoid the passengers from being injured.
[0019] As preferred, the fixing frame assembly is further provided with a limiting member, and a third contact switch for abutting against the third elastic member is installed on the limiting member.
[0020] The limiting member can further limit the rotation angle of the first guard plate, and the third contact switch can be connected with a buzzer or an emergency stop switch of the escalator / travelator, so that when the second elastic member is pushed to the limit position by the first guard plate, the third contact switch is triggered to issue an alarm to remind the passengers or directly stop the operation of the escalator / travelator, thereby ensuring the safety of the passengers.
[0021] As preferred, the fixing frame assembly comprises a first frame and a second frame which is slidingly connected to the first frame, and the first frame and the second frame are further provided with a fastening assembly for fixing the relative position of the first frame and the second frame.
[0022] The first frame and the second frame can make the fixing frame assembly flexibly adjust its size, so as to cope with different distances between the escalator / travelator or the wall surface, and improve the installation stability of the anti-collision head guard plate. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a perspective structural schematic view of the anti-collision head guard plate of the escalator and travelator in embodiment 1 of the utility model.
[0024] Figure 2 is a rear view structural schematic view of the anti-collision head guard plate of the escalator and travelator in embodiment 1 of the utility model.
[0025] Figure 3 is a perspective structural schematic view of the anti-collision head guard plate of the escalator and travelator in embodiment 2 of the utility model.
[0026] Figure 4 is a perspective structural schematic view of the anti-collision head guard plate of the escalator and travelator in another angle in embodiment 2 of the utility model.
[0027] Figure 5It is the right view structural schematic diagram of the automatic staircase and the anti-collision head guard plate in embodiment 2.
[0028] Figure 6 It is the three-dimensional structural schematic diagram of the automatic staircase and the anti-collision head guard plate in embodiment 3.
[0029] The first guard plate 10, the sliding groove 11, the guide rod 12, the first elastic member 13, the first contact switch 14, the second guard plate 20, the second contact switch 21, the anti-collision end 22, the guide roller 23, the fixed frame assembly 30, the third elastic member 31, the limiting member 32, the third contact switch 33, the first frame 34, the waist-shaped hole 341, the second frame 35 and the fastening assembly 36. DETAILED DESCRIPTION
[0030] The utility model will be further described in connection with the drawings and specific embodiment.
[0031] Embodiment 1
[0032] According to the description accompanying drawings Figures 1-2 The utility model provides a kind of automatic staircase and anti-collision head guard plate of moving sidewalk, including first guard plate 10, second guard plate 20 and the fixed frame for installing first guard plate 10, first guard plate 10 is set with sliding groove 11, second guard plate 20 is slidably connected in sliding groove 11 inside, and sliding groove 11 still be provided with three guide rods 12, guide groove matched with guide rod 12 is set on second guard plate 20, first elastic member 13 is sleeved on guide rod 12, wherein first elastic member 13 uses compression spring;First guard plate 10 is also connected with buzzer, in this embodiment, buzzer is installed on the outer cover plate of automatic staircase, first contact switch 14 is also installed in the inner wall of sliding groove 11 of first guard plate 10, second contact switch 21 is also installed on the side wall of second guard plate 20, when second guard plate 20 is pushed to the deepest place, first contact switch 14 can be abutted with second contact switch 21, to form the loop of intercommunication, first contact switch 14 is connected with buzzer, when loop intercommunication buzzer can send alarm, remind passenger to keep away from anti-collision head guard plate position.
[0033] Arc-shaped anti-collision end 22 is also provided on second guard plate 20, the outside of anti-collision end 22 is also attached with anti-collision pad, in this embodiment, anti-collision pad uses soft polyurethane foam plastic, with the characteristics of low density, elastic recovery, can effectively buffer the collision between passenger and second guard plate 20, reduce the harm suffered by passenger.
[0034] The working principle is that when the passenger collides with the anti-collision head guard, first contacts the second guard 20, the anti-collision pad first buffers the passenger, reduces the injury suffered by the passenger, and under the impact, pushes the second guard 20 to move, and pushes the first elastic member 13 to compress when the second guard 20 moves, on the one hand, further buffers, and on the other hand, facilitates the subsequent second guard 20 reset work, if the passenger does not leave the anti-collision head guard area after the collision, continues to push the second guard 20 to move, the first contact switch 14 and the second contact switch 14 will be in contact, so that the buzzer issues a warning, reminding the passenger to quickly move away from the anti-collision head guard to avoid more serious injury.
[0035] Embodiment 2
[0036] According to the description accompanying Figures 3-5 The difference between the present embodiment and embodiment 1 is that the first guard 10 is rotatably connected with the fixed frame assembly 30, and a second elastic member is further installed between the first guard 10 and the fixed frame assembly 30. In the present embodiment, the second elastic member is a torsion spring, so that the first guard 10 has a tendency to rotate away from the escalator / moving sidewalk side. The rotating first guard 10 can further reduce the injury suffered by the passenger, and the passenger is guided back to the inside of the escalator through the inclined first guard 10.
[0037] In the present embodiment, a guide roller 23 is further installed at the anti-collision end 22 of the second guard 20, the outer side of the guide roller 23 is wrapped with soft polyurethane foam plastic, and the passenger contacting the guide roller 23 is buffered. A one-way bearing is further installed between the guide roller 23 and the second guard 20, so that the guide roller 23 can only rotate to one side, thereby guiding the passenger to the inside of the escalator or moving sidewalk. The guide roller 23 cannot rotate to the other side, and when the guide roller 23 has a tendency to move to the other side under stress, the second guard 20 is effectively pushed to move, thereby the buzzer issues a warning.
[0038] A third elastic member 31 is further installed on the fixed frame assembly 30, wherein the third elastic member 31 is a spring steel plate, one end of the third elastic member 31 is fixedly connected to the fixed frame assembly 30 by a screw, and the rotation of the first guard 10 is limited by the lower end of the third elastic member 31, so as to avoid that the first guard 10 rotates too much and causes injury to the passenger.
[0039] Meanwhile, a limiting piece 32 is also installed on the fixed frame, and a third contact switch 33 is also installed on the limiting piece 32. The limiting piece 32 can limit the limit position of the first guard plate 10, and the third contact switch 33 is connected with the emergency stop switch of the escalator / travelator. When the third elastic piece 31 is pushed to the limit position, it will abut against the third contact switch 33, directly stopping the operation of the escalator / travelator, thereby avoiding further injury to the personnel.
[0040] When the passenger collides with the anti-collision head guard plate, the passenger abuts against the guide roller 23 on the second guard plate 20, and under the action of the guide roller 23, the first guard plate 10 is pushed to rotate and moves towards the inner side of the escalator under the guidance of the first guard plate 10, avoiding injury to the passenger. If the passenger still does not leave the anti-collision head guard plate area and continues to push the first guard plate 10 to move, the third elastic piece 31 first limits the first guard plate 10. If the first guard plate 10 continues to push the third elastic piece 31 to move, the third contact switch 33 will be triggered, and the escalator or travelator will be stopped to ensure the safety of the personnel.
[0041] Embodiment 3
[0042] According to the description accompanying Figure 6 The difference between the present embodiment and embodiment 2 is that the fixed frame assembly 30 comprises a first frame 34 and a second frame 35 which is slidingly connected to the first frame 34, and a waist-shaped hole 341 is formed on the top surface of the first frame 34. The second frame 35 is connected with a fastening assembly 36, which comprises a locking bolt and a locking nut. The locking bolt passes through the second frame 35 and the waist-shaped hole 341, and the relative position of the first frame 34 and the second frame 35 is locked by the locking nut. The arrangement of the first frame 34 and the second frame 35 can flexibly adjust the size of the fixed frame assembly 30, thereby coping with different distances between the escalator / travelator or between the escalator / travelator and the wall, and improving the installation stability of the anti-collision head guard plate.
[0043] When the distance between the two cross-arranged escalators / travelators is too large, or the distance between the escalator / travelator and the wall is too large, the width of the fixed frame assembly 30 can be increased through the cooperation of the first frame 34 and the second frame 35, thereby being able to fill in between the two escalators / travelators or between the escalator / travelator and the wall, achieving a more stable connection effect.
[0044] The directions mentioned in the utility model, for example, "upper", "lower", "left", "right" and the like, are only for better and clearer illustration and understanding of the utility model, and are not indicative or suggestive of the devices or elements referred to necessarily having a specific orientation, being constructed and operated in a specific orientation, and thus cannot be understood as limiting the utility model.
[0045] The above has described the preferred embodiments of the utility model, but cannot be understood as limiting the claims. The utility model is not limited to the above embodiments, and the specific structure can be changed, and any changes made within the scope of protection independently claimed by the utility model are within the scope of protection of the utility model.
Claims
1. A bumper head guard for escalators and moving walks comprising a first guard, characterized in that, The first guard plate is slidably connected with a second guard plate, a first elastic member is arranged between the first guard plate and the second guard plate, a buzzer is connected to the first guard plate, a first contact switch is installed on the first guard plate, and a second contact switch is installed on the second guard plate and used for abutting against the first contact switch.
2. A bumper head guard for an escalator or moving walkway according to claim 1, characterized in that An anti-collision end is arranged at an end of the second guard plate, the anti-collision end is arc-shaped, and a flexible anti-collision pad is connected to the outer side of the anti-collision end.
3. A bumper head guard for an escalator or moving walkway according to claim 1, characterized in that The first guard plate is further connected with a fixing frame assembly, the first guard plate is rotatably connected with the fixing frame assembly, and a second elastic member is arranged between the first guard plate and the fixing frame assembly.
4. A bumper headguard for an escalator or moving walkway according to claim 3, characterized in that The anti-collision end of the second guard plate is further rotatably connected with a guide roller, and the outer periphery of the guide roller is wrapped with a flexible material.
5. A bumper headguard for escalators and moving walks according to claim 4, characterized in that A one-way bearing is further arranged between the guide roller and the second guard plate.
6. A bumper headguard for escalators and moving walks according to claim 3, characterized in that A third elastic member is further installed on the fixing frame assembly and used for abutting against the first guard plate.
7. A bumper headguard for escalators and moving walks according to claim 6, characterized in that A limiting member is further arranged on the fixing frame assembly, and a third contact switch is installed on the limiting member and used for abutting against the third elastic member.
8. A bumper headguard for escalators and moving walks according to claim 3, characterized in that The fixing frame assembly comprises a first frame and a second frame slidably connected to the first frame, and a fastening assembly is further arranged between the first frame and the second frame and used for fixing the relative position of the first frame and the second frame.