CN220906868U - Unexpected protection architecture that falls of elevator pit personnel - Google Patents
Unexpected protection architecture that falls of elevator pit personnel Download PDFInfo
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- CN220906868U CN220906868U CN202322651085.7U CN202322651085U CN220906868U CN 220906868 U CN220906868 U CN 220906868U CN 202322651085 U CN202322651085 U CN 202322651085U CN 220906868 U CN220906868 U CN 220906868U
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- 239000002184 metal Substances 0.000 claims abstract description 59
- 239000010985 leather Substances 0.000 claims description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of building construction, and particularly relates to an unexpected falling protection structure for elevator pit personnel, which comprises a wire safety net and a frame a arranged at the edge of the wire safety net, wherein a plurality of infrared sensors are obliquely arranged on the upper surface of the frame a, emergent light beams of the infrared sensors are all shot on the upper wall of an elevator shaft, a controller connected with the infrared sensors is arranged on the frame a, a lifting mechanism is arranged on the lower surface of the frame a, a metal safety net connected with the lifting mechanism is arranged below the frame a, and a trigger piece is arranged in the metal safety net; the triggering piece comprises an air bag assembly arranged in the middle of the metal safety net, sponge columns are arranged in holes of the metal safety net, and two ends of each sponge column extend out of the holes of the metal safety net respectively. The utility model can reduce the distance between the two layers of safety nets along with the increase of the falling height of the personnel, and the two layers of safety nets leave enough distance to prevent the wire safety nets from clamping the falling personnel.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an unexpected falling protection structure for elevator pit personnel.
Background
Along with the construction of high-rise buildings, elevators are gradually popularized in various cities, the consciousness of people for safely using the elevators needs to be enhanced, especially children, occasionally pull out the elevator door when playing in a corridor, the elevator is extremely easy to fall into an elevator shaft to cause accidents, and an anti-falling net is additionally arranged in the elevator shaft during construction.
When the existing elevator shaft is additionally provided with the anti-falling net, the edge of the anti-falling net is generally supported by the metal frame, the metal frame is fixed at the lower part of the elevator shaft through the wall penetrating nails and is suspended at a certain height, and a safe space for pressed deformation is reserved.
In the falling prevention process of the falling prevention net, in order to improve the protection performance, a second layer of falling prevention net is additionally arranged, the distance between the two layers of falling prevention nets is inconvenient to adjust, the distance is too large to block elevator operation, the distance is too small, the upper falling prevention net is pressed and is easy to locally crack, and the broken part is used for clamping the limbs of falling personnel to cause unsmooth blood circulation, so that the unexpected falling protection structure for the elevator pit personnel is provided.
Disclosure of utility model
The utility model aims to provide an unexpected falling protection structure for elevator pit personnel, which can reduce the distance between two layers of safety nets along with the increase of the falling height of personnel, and the two layers of safety nets leave enough distance to prevent the silk thread safety nets from clamping falling personnel.
The technical scheme adopted by the utility model is as follows:
The utility model provides an unexpected fall protection architecture of elevator pit personnel, includes silk thread safety net and sets up the frame a at silk thread safety net edge, a plurality of infrared sensors are installed to the upper surface slope of frame a, infrared sensor's emergent beam all shoots the upper wall at the elevator shaft, be provided with the controller of being connected with infrared sensor on frame a, frame a's lower surface is provided with elevating system, frame a's below is provided with the metal safety net of being connected with elevating system, the inside of metal safety net is provided with the trigger piece;
The trigger piece is including installing the air bag assembly at the metal safety net middle part, all install the sponge post in the hole of metal safety net, the hole of metal safety net is extended respectively to the both ends of sponge post, during operation, detect personnel's signal of falling by a plurality of infrared sensor, personnel fall from the second floor, can break the silk thread safety net and fall on the metal safety net, buffer with the sponge post, and fall more than the three floors when falling, the high increase along with the height that personnel fall of elevating system lifting metal safety net, can reduce the interval of two-layer safety net along with the increase of personnel's height that falls, and two-layer safety net leaves sufficient interval, prevent that silk thread safety net from blocking the personnel that falls, silk thread safety net and metal safety net all are close to the elevator pit bottom, can not hinder the operation of elevator, and the personnel that falls triggers the air bag assembly, utilize the safety bag assembly of inflation to cushion once more, further protect the personnel that falls.
The lifting mechanism comprises a plurality of electric telescopic rods fixedly mounted on the lower surface of the frame a, the output ends of the electric telescopic rods vertically extend downwards and are fixedly provided with a frame b, the frame b and the frame a are of concave structures and have the same opening direction, the inner side of the frame b is fixedly connected to the edge of the metal safety net, the output ends of the electric telescopic rods extend, the frame b and the metal safety net can be lowered, and conversely, the output ends of the electric telescopic rods are shortened, and the frame b and the metal safety net can be lifted.
The outside of air bag assembly bonds there is coaxial flange ring, the outside embedding of flange ring is installed at the middle part of metal safety net and the upper edge turns over outward, protects in the outside of air bag assembly, avoids the metal safety net to receive the fracture air bag assembly when falling personnel pushes down.
The upper surface of sponge post bonds between has the leather cover, the centre of leather cover has been seted up round hole and this round hole is passed by the upper end of air bag assembly, strengthens the connection between the sponge post, and protects at the clearance of sponge post, separates personnel and the metal safety net that falls, avoids falling personnel to contact the metal safety net.
The middle of the silk thread safety net is provided with a cavity, so that safety tongs at the bottom of the elevator car can conveniently pass through the cavity, and a safety distance of 100-200mm is reserved between the silk thread safety net and the bottom of the elevator car.
The edge of the cavity is adhered with a rubber band, the rubber band is of a ring-shaped structure, the position of the silk thread safety net at the edge of the cavity is reinforced, the surface tension of the silk thread safety net is relieved, and the phenomenon that air current brought by the descent of an elevator is broken is prevented.
The utility model has the technical effects that:
According to the unexpected falling protection structure for the elevator pit personnel, when the unexpected falling protection structure works, the personnel falling signals are detected by the infrared sensors, the personnel fall from the second floor, the wire safety net can be broken and falls on the metal safety net, the metal safety net is buffered by the sponge column, when the elevator pit personnel fall from above the third floor, the lifting mechanism lifts the metal safety net, the lifting height of the metal safety net is increased along with the falling height of the personnel, the distance between the two safety nets can be reduced along with the increasing of the falling height of the personnel, the two safety nets are kept at a sufficient distance, the wire safety net is prevented from clamping the falling personnel, the wire safety net and the metal safety net are both close to the pit bottom of the elevator pit, the elevator is not blocked, the falling personnel trigger the safety air bag assembly, and the falling personnel are buffered again by the expanded safety air bag assembly, so that the falling personnel are further protected.
Drawings
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a front view of an embodiment of the bezel a of the present utility model;
FIG. 3 is a front view of an embodiment of the bezel b of the present utility model;
FIG. 4 is a front view of an embodiment of an airbag assembly of the present utility model;
FIG. 5 is a front view of an embodiment of the sponge column of the present utility model;
fig. 6 is a front view of an embodiment of the flange ring of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. A thread safety net; 2. a frame a; 3. an infrared sensor; 4. a controller; 5. a metal safety net; 6. an airbag assembly; 7. a sponge column; 8. an electric telescopic rod; 9. a frame b; 10. a flange ring; 11. a leather sheath; 12. a cavity; 13. an elastic band.
Detailed Description
The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.
As shown in fig. 1-6, an unexpected fall protection structure for elevator pit personnel comprises a silk thread safety net 1 and a frame a2 arranged at the edge of the silk thread safety net 1, wherein a plurality of infrared sensors 3 are obliquely arranged on the upper surface of the frame a2, the lower ends of the infrared sensors 3 are fixedly connected to the upper surface of the frame a2 through screws, outgoing beams of the infrared sensors 3 are all emitted to the upper wall of an elevator shaft, a controller 4 connected with the infrared sensors 3 is arranged on the frame a2, the back surface of the controller 4 is fixedly connected to the upper surface of the frame a2 through screws, a lifting mechanism is arranged on the lower surface of the frame a2, a metal safety net 5 connected with the lifting mechanism is arranged below the frame a2, and a trigger piece is arranged inside the metal safety net 5;
The trigger piece is including installing the air bag assembly 6 at metal safety net 5 middle part, all install sponge post 7 in the hole of metal safety net 5, the outside of sponge post 7 bonds in the hole of metal safety net 5, the hole of metal safety net 5 is extended respectively at the both ends of sponge post 7, fix frame a2 on the elevator shaft pit upper portion earlier, during operation, by a plurality of infrared sensor 3 real-time monitoring personnel fall the signal, when detecting personnel and fall the signal, personnel fall from the second floor, can break silk thread safety net 1 and fall on metal safety net 5, buffer with sponge post 7, and when falling more than the third floor, start elevating system lifting metal safety net 5 through controller 4, the height of metal safety net 5 lifting increases along with personnel's height, can reduce the interval of two-layer safety net along with personnel's height increase, personnel fall on metal safety net 5 with lower speed after breaking silk thread safety net 1, and two-layer safety net leaves sufficient interval, prevent that silk thread safety net 1 from blocking personnel, personnel and metal safety net 1 fall from being close to elevator shaft 5, and the safety net is fallen down to the second floor 6 takes place to the danger and is broken, the dangerous condition takes place to the elevator assembly is further triggered to the personnel and falls down, the safety net is down to the safety net is cooled down by the safety net is further down, the safety net is protected down.
Further, the silk thread safety net 1 has certain intensity and elastic absorption function, can absorb the energy of personnel that fall, avoids making a round trip to bounce many times, causes personnel's secondary injury, and main protection personnel falls and absorbs the energy that the high-rise falls from first layer door to the personnel that fall lie on metal safety net 5, blood circulation is smooth and easy.
Further, the model of the infrared sensor 3 is a ranging sensor of LTF12UC2LDQP, the sensing distance is 20m, the falling human living things can be distinguished, and the falling objects of tools are prevented from triggering the protection structure.
In one possible embodiment, the airbag assembly 6 is composed of an airbag and a gas generator installed at the air inlet of the airbag, wherein the gas generator receives the elastic energy of falling personnel above three floors, and can be triggered to generate gas and fill the gas into the airbag to expand the airbag for buffering.
As shown in fig. 1 and 2, the lifting mechanism comprises a plurality of electric telescopic rods 8 fixedly mounted on the lower surface of the frame a2, the upper ends of the electric telescopic rods 8 are fixedly connected to the lower surface of the frame a2 through bolts, the output ends of the electric telescopic rods 8 vertically extend downwards and are fixedly provided with a frame b9, the upper surfaces of the frame b9 are fixedly connected to the output ends of the electric telescopic rods 8 through bolts, the inner sides of the frame b9 are fixedly connected to the edges of the metal safety nets 5, the output ends of the electric telescopic rods 8 extend, the frame b9 and the metal safety nets 5 can be lowered, and conversely, the output ends of the electric telescopic rods 8 are shortened, and the frame b9 and the metal safety nets 5 can be lifted.
Further, the frame b9 and the frame a2 are of concave structures and have the same opening direction, so that space is reserved between the guide shoes of the elevator and the guide rail of the elevator shaft, and the frame a2 is detachable, so that maintenance personnel can conveniently open and close when ascending and descending the elevator pit.
As shown in fig. 3 and 6, the outer side of the air bag assembly 6 is adhered with a coaxial flange ring 10, the flange ring 10 is made of rubber, the outer side of the flange ring 10 is embedded and installed in the middle of the metal safety net 5, the upper edge of the flange ring is turned outwards, the air bag assembly 6 is protected, and the air bag assembly 6 is prevented from being broken when the metal safety net 5 is pressed down by falling personnel.
As shown in fig. 1, 4 and 5, a leather sleeve 11 is adhered between the upper surfaces of the sponge columns 7, the lower surface of the leather sleeve 11 is adhered to the upper surface of the sponge columns 7, a round hole is formed in the middle of the leather sleeve 11 and penetrated by the upper end of the safety airbag assembly 6, the connection between the sponge columns 7 is enhanced, and the gap between the sponge columns 7 is protected, so that falling personnel and the metal safety net 5 are separated, and the falling personnel are prevented from contacting the metal safety net 5.
As shown in fig. 1, a hollow 12 is formed in the middle of the wire safety net 1, so that safety tongs at the bottom of an elevator car can conveniently pass through the hollow, and a safety distance of 100-200mm is reserved between the wire safety net 1 and the bottom of the elevator car.
As shown in fig. 1 and 2, the edge of the hollow 12 is adhered with a rubber band 13, and the rubber band 13 has a ring-shaped structure, so that the position of the wire safety net 1 at the edge of the hollow 12 is reinforced, the surface tension of the wire safety net 1 is relieved, and the wire safety net is prevented from being broken by air flow caused by the descent of an elevator.
The working principle of the utility model is as follows: during operation, a plurality of infrared sensors 3 monitor personnel falling signals in real time until personnel falling signals are detected, personnel fall from a second floor, the wire safety net 1 can be broken and fall on the metal safety net 5, the sponge column 7 is used for buffering, when the personnel fall from above a third floor, the controller 4 is used for starting the lifting mechanism to lift the metal safety net 5, the lifting height of the metal safety net 5 is increased along with the falling height of the personnel, the distance between the two floors of safety nets can be reduced along with the increasing of the falling height of the personnel, the falling personnel fall on the metal safety net 5 at a lower speed after breaking the wire safety net 1, the two floors of safety net leave enough distance, the wire safety net 1 is prevented from being blocked, the wire safety net 1 and the metal safety net 5 are all close to the pit bottom of an elevator, the elevator can not be hindered, the falling personnel trigger the safety air bag assembly 6, the expanded safety air bag assembly 6 is utilized for buffering again, and the falling personnel are further protected.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. The utility model provides an unexpected protection architecture that falls of elevator pit personnel, includes silk thread safety net (1) and sets up frame a (2) at silk thread safety net (1) edge, its characterized in that: the elevator is characterized in that a plurality of infrared sensors (3) are obliquely arranged on the upper surface of the frame a (2), outgoing beams of the infrared sensors (3) are all emitted to the upper wall of an elevator shaft, a controller (4) connected with the infrared sensors (3) is arranged on the frame a (2), a lifting mechanism is arranged on the lower surface of the frame a (2), a metal safety net (5) connected with the lifting mechanism is arranged below the frame a (2), and a trigger piece is arranged inside the metal safety net (5);
The trigger piece comprises an air bag assembly (6) arranged in the middle of the metal safety net (5), sponge columns (7) are arranged in holes of the metal safety net (5), and two ends of each sponge column (7) extend out of the holes of the metal safety net (5) respectively.
2. The elevator pit personnel accidental fall protection structure according to claim 1, wherein: the lifting mechanism comprises a plurality of electric telescopic rods (8) fixedly arranged on the lower surface of the frame a (2), the output ends of the electric telescopic rods (8) vertically extend downwards and are fixedly provided with a frame b (9) between, the frame b (9) and the frame a (2) are of concave structures and have the same opening direction, and the inner sides of the frame b (9) are fixedly connected to the edges of the metal safety net (5).
3. The elevator pit personnel accidental fall protection structure according to claim 1, wherein: the outer side of the safety airbag assembly (6) is adhered with a coaxial flange ring (10), the outer side of the flange ring (10) is embedded and arranged in the middle of the metal safety net (5), and the upper edge of the flange ring is turned outwards.
4. The elevator pit personnel accidental fall protection structure according to claim 1, wherein: a leather sleeve (11) is adhered between the upper surfaces of the sponge columns (7), a round hole is formed in the middle of the leather sleeve (11) and is penetrated by the upper end of the safety airbag assembly (6).
5. The elevator pit personnel accidental fall protection structure according to claim 1, wherein: a hollow hole (12) is formed in the middle of the silk thread safety net (1).
6. The elevator pit personnel accidental fall protection structure according to claim 5, wherein: the edge of the cavity (12) is adhered with a rubber band (13), and the rubber band (13) is of a ring-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651085.7U CN220906868U (en) | 2023-09-28 | 2023-09-28 | Unexpected protection architecture that falls of elevator pit personnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651085.7U CN220906868U (en) | 2023-09-28 | 2023-09-28 | Unexpected protection architecture that falls of elevator pit personnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220906868U true CN220906868U (en) | 2024-05-07 |
Family
ID=90909371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322651085.7U Active CN220906868U (en) | 2023-09-28 | 2023-09-28 | Unexpected protection architecture that falls of elevator pit personnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220906868U (en) |
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2023
- 2023-09-28 CN CN202322651085.7U patent/CN220906868U/en active Active
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