CN112794178A - Elevator anti-falling safety device based on air bag - Google Patents
Elevator anti-falling safety device based on air bag Download PDFInfo
- Publication number
- CN112794178A CN112794178A CN202011606184.8A CN202011606184A CN112794178A CN 112794178 A CN112794178 A CN 112794178A CN 202011606184 A CN202011606184 A CN 202011606184A CN 112794178 A CN112794178 A CN 112794178A
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- China
- Prior art keywords
- air bag
- bearing plate
- safety device
- buffering
- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- Types And Forms Of Lifts (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an air bag-based elevator anti-falling safety device which comprises a first bearing plate, wherein a second bearing plate is arranged on the upper side of the first bearing plate, a buffering corrugated cylinder is fixedly connected between the second bearing plate and the first bearing plate, a buffering space is formed among the first bearing plate, the buffering corrugated cylinder and the second bearing plate, the first bearing plate is fixedly connected with the first bearing plate, a third bearing plate is arranged on the upper side of the first bearing plate, the third bearing plate is positioned in the buffering space, and an elastic buffering assembly is arranged between the third bearing plate and the first bearing plate. The elevator control system is arranged at the bottom of the elevator shaft, is independent from the elevator control system, cannot normally play a role due to the failure of the elevator control system, has multiple safety guarantees, can provide multiple buffers when the elevator car accidentally falls, can absorb most of energy, and reduces the impact on the elevator car and passengers in the elevator car.
Description
Technical Field
The invention belongs to the technical field of elevator anti-falling, and particularly relates to an elevator anti-falling safety device based on an air bag.
Background
The elevator becomes necessary manned lifting equipment for high-rise buildings in modern society, the vertical lifting elevator is provided with a car, and the vertical lifting elevator runs between at least two rows of vertical rigid guide rails or rigid guide rails with the inclination angle smaller than 15 degrees.
The elevator anti-falling device is generally arranged between a car and a guide rail, and can prevent the elevator car from moving if the elevator car accidentally falls, but the anti-falling device is generally associated with a control system of the elevator, and the anti-falling device needs to be started in a system judgment mode to determine that the elevator car is in an accidental falling state.
Therefore, in order to solve the above technical problems, it is necessary to provide an elevator anti-falling safety device based on an airbag.
Disclosure of Invention
The invention aims to provide an elevator anti-falling safety device based on an air bag to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
an elevator anti-falling safety device based on an air bag comprises a first bearing plate, wherein a second bearing plate is arranged on the upper side of the first bearing plate, a buffering corrugated cylinder is fixedly connected between the second bearing plate and the first bearing plate, and a buffering space is formed among the first bearing plate, the buffering corrugated cylinder and the second bearing plate;
the air bag bearing device is characterized in that a first bearing frame is fixedly connected to the first bearing plate, a third bearing plate is arranged on the upper side of the first bearing frame and located in a buffer space, an elastic buffer assembly is arranged between the third bearing plate and the first bearing frame, and a plurality of air bag assemblies are mounted on the third bearing plate.
As a further improvement of the invention, the air bag assembly comprises an air generator and a buffering air bag, wherein the air generator and the buffering air bag are fixedly connected to the upper end of the third bearing plate, and the air generator is positioned in the buffering air bag.
As a further improvement of the present invention, the airbag module further comprises a plurality of airbag sensors, a support rod is fixedly connected between the airbag sensors and the third carrier plate, when the buffering airbag is in an uninflated state, the airbag sensors are located on the upper side of the buffering airbag, and the airbag sensors are electrically connected with the gas generator.
As a further improvement of the invention, a protective cover covers the buffering air bag.
As a further improvement of the invention, the shield is an elastic shield.
As a further improvement of the invention, the elastic buffer assembly comprises a telescopic rod and a compression spring sleeved on the telescopic rod.
As a further improvement of the present invention, a storage battery is fixedly connected to the first bearing frame, and a connection lead is electrically connected between the storage battery and the airbag module.
As a further improvement of the invention, the upper end of the second bearing plate is fixedly connected with a second bearing frame, the second bearing frame is fixedly connected with a shaft rod, and the shaft rod is provided with a buffer roller.
As a further improvement of the invention, the shaft rod is provided with a steel layer and a rubber layer in sequence from inside to outside.
As a further improvement of the invention, the first bearing frame is provided with a plurality of moving wheels.
Compared with the prior art, the invention has the following advantages:
the elevator control system is arranged at the bottom of the elevator shaft, is independent from the elevator control system, cannot normally play a role due to the failure of the elevator control system, has multiple safety guarantees, can provide multiple buffers when the elevator car accidentally falls, can absorb most of energy, and reduces the impact on the elevator car and passengers in the elevator car.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an air bag based elevator anti-falling safety device according to an embodiment of the present invention;
FIG. 2 is a front view of an air bag based elevator fall arrest safety device in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the structure at A-A in FIG. 2;
FIG. 4 is a schematic view of the structure at B in FIG. 3;
fig. 5 is a sectional view showing the opened state of a buffering airbag of an elevator anti-falling safety device based on an airbag according to an embodiment of the invention.
In the figure: 1. the automobile bumper comprises a first bearing plate, 2, a first bearing frame, 3, a moving wheel, 4, a buffering corrugated cylinder, 5, a second bearing plate, 6, a second bearing frame, 7, a shaft rod, 8, a buffering roller, 9, a third bearing plate, 10, a telescopic rod, 11, a compression spring, 12, a storage battery, 13, a connecting wire, 14, a gas generator, 15, a buffering air bag, 16, a protective cover, 17, a supporting rod and 18, and an air bag sensor.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The elevator anti-falling safety device based on the air bag disclosed by the embodiment of the invention is shown in figures 1-5 and comprises a first bearing plate 1, a second bearing plate 5 is arranged on the upper side of the first bearing plate 1, a buffering corrugated cylinder 4 is fixedly connected between the second bearing plate 5 and the first bearing plate 1, and a buffering space is formed among the first bearing plate 1, the buffering corrugated cylinder 4 and the second bearing plate 5.
Specifically, the buffering corrugated cylinder 4 is made of metal, the buffering corrugated cylinder 4 has high strength, deformation can be achieved only by absorbing high energy, and specifically, a proper material can be selected according to factors such as the type and height of the elevator, and the buffering corrugated cylinder can be made of steel or alloy.
The buffering corrugated cylinder 4 is provided with corrugations, so that the buffering corrugated cylinder 4 cannot deform uncontrollably when bearing impact force, and the buffering corrugated cylinder 4 or other structures can be prevented from being extruded into an elevator car due to large impact force to hurt passengers.
Referring to fig. 3, the first bearing frame 2 is fixedly connected to the first bearing plate 1, a third bearing plate 9 is disposed on the upper side of the first bearing frame 2, the third bearing plate 9 is located in the buffering space, and an elastic buffering assembly is disposed between the third bearing plate 9 and the first bearing frame 2.
Referring to fig. 3 to 4, the elastic buffering assembly includes a telescopic rod 10 and a compression spring 11 sleeved on the telescopic rod 10, the telescopic rod 10 is used for controlling the third bearing plate 9 to move only up and down, and the third bearing plate is not prone to tilting, and the compression spring 11 can provide elasticity, so that the third bearing plate 9 can have a good elastic buffering effect, and the compression spring 11 is a strong spring.
Referring to fig. 3, a plurality of air bag modules are mounted on the third bearing plate 9, each air bag module comprises an air generator 14 and a buffer air bag 15, the air generators 14 and the buffer air bags 15 are fixedly connected to the upper end of the third bearing plate 9, and the air generators 14 are located in the buffer air bags 15.
The gas generator 14 is required to have reliable operation, stable performance, good durability and environmental protection, and the type of the gas generator 14 may be a mixed gas type gas generator, a liquid gas type gas generator, a compressed air energy storage type gas generator or a nitrocellulose type gas generator.
Preferably, the gas generator 14 is sodium azide free gas generator, consuming less than 40% of the sodium azide gas generant, and is capable of generating an equivalent amount of gas.
Referring to fig. 3, in order to ensure that the gas generator 14 is normally triggered, the airbag module further includes a plurality of airbag sensors 18, a support rod 17 is fixedly connected between the airbag sensors 18 and the third carrier plate 9, the support rod 17 may be a rubber rod having suitable strength, when the support rod 17 is pressed, the buffer airbag 15 is not easily punctured, when the buffer airbag 15 is in an uninflated state, the airbag sensors 18 are located on the upper side of the buffer airbag 15, and the airbag sensors 18 are electrically connected to the gas generator 14.
The buffer air bag 15 is covered with the protective cover 16, the protective cover 16 is an elastic protective cover, when the buffer air bag 15 is in an uninflated state, the buffer air bag 15 can be protected, and the normal ejection of the buffer air bag 15 cannot be influenced.
Referring to fig. 3, a storage battery 12 is fixedly connected to the first bearing frame 2, a connection lead 13 is electrically connected between the storage battery 12 and the airbag module, the storage battery 12 can supply power to the airbag module through the connection lead 13, and the third bearing plate 9 does not press the storage battery 12 under the protection of the telescopic rod 10, so that the safety of the storage battery 12 can be ensured.
Referring to fig. 1 to 3, the upper end of the second bearing plate 5 is fixedly connected with a second bearing frame 6, the second bearing frame 6 is fixedly connected with a shaft rod 7, the shaft rod 7 is provided with a buffer roller 8, the buffer roller 8 can rotate around the shaft rod 7, when the buffer roller 8 receives impact, a certain buffer effect is achieved, and meanwhile, if the shaft rod 7 is broken by impact, the impact energy is easily converted into the kinetic energy of the rotation of the buffer roller 8.
Preferably, the shaft rod 7 is provided with a steel layer and a rubber layer in sequence from inside to outside, wherein the rubber layer also has a certain buffering effect.
Referring to fig. 1 to 3, the first carriage 2 is provided with a plurality of moving wheels 3, so that the moving wheels 3 can be moved conveniently during transportation.
In use, as shown in figure 3, in an initial state, the device of the invention is placed just below the elevator shaft; referring to fig. 5, when the upper end of the car is impacted by the car, the buffering bellows 4 deforms to absorb energy, when the second bearing plate 5 contacts the airbag sensor 18 to relieve the impact force, the gas generator 14 can be triggered to inflate the buffering airbag 15, so that the buffering airbag 15 bounces, the elasticity and the strength of the buffering airbag 15 are large enough to buffer again, and the supporting rod 17 is not easy to cause large damage, has elasticity and cannot break;
when the buffering corrugated cylinder 4 continues to deform, the compression spring 11 can play a role in buffering, and after the accidental treatment is finished, the practical and relevant equipment pulls the buffering corrugated cylinder 4, so that the buffering corrugated cylinder 4 can be restored to the original state, and the reuse is facilitated.
According to the technical scheme, the invention has the following beneficial effects:
the elevator control system is arranged at the bottom of the elevator shaft, is independent from the elevator control system, cannot normally play a role due to the failure of the elevator control system, has multiple safety guarantees, can provide multiple buffers when the elevator car accidentally falls, can absorb most of energy, and reduces the impact on the elevator car and passengers in the elevator car.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An elevator anti-falling safety device based on an air bag is characterized by comprising a first bearing plate, wherein a second bearing plate is arranged on the upper side of the first bearing plate, a buffering corrugated cylinder is fixedly connected between the second bearing plate and the first bearing plate, and a buffering space is formed among the first bearing plate, the buffering corrugated cylinder and the second bearing plate;
the air bag bearing device is characterized in that a first bearing frame is fixedly connected to the first bearing plate, a third bearing plate is arranged on the upper side of the first bearing frame and located in a buffer space, an elastic buffer assembly is arranged between the third bearing plate and the first bearing frame, and a plurality of air bag assemblies are mounted on the third bearing plate.
2. The air bag based elevator fall protection safety device according to claim 1, wherein the air bag assembly comprises a gas generator and a buffer air bag, the gas generator and the buffer air bag are fixedly connected to the upper end of the third loading plate, and the gas generator is located in the buffer air bag.
3. The air bag based elevator fall protection safety device according to claim 2, wherein the air bag module further comprises a plurality of air bag sensors, a support rod is fixedly connected between the air bag sensors and the third bearing plate, when the buffer air bag is in the non-inflated state, the air bag sensors are located on the upper side of the buffer air bag, and the air bag sensors are electrically connected with the gas generator.
4. The air bag based elevator anti-falling safety device according to claim 2, wherein a protective cover is covered on the buffering air bag.
5. The airbag-based elevator fall protection safety device of claim 4, wherein the shield is a resilient shield.
6. The airbag-based elevator anti-falling safety device according to claim 1, wherein the elastic buffer assembly comprises a telescopic rod and a compression spring sleeved on the telescopic rod.
7. The air bag-based elevator anti-falling safety device according to claim 1, wherein a storage battery is fixedly connected to the first bearing frame, and a connecting wire is electrically connected between the storage battery and the air bag assembly.
8. The air bag-based elevator anti-falling safety device according to claim 1, wherein a second bearing frame is fixedly connected to the upper end of the second bearing plate, a shaft rod is fixedly connected to the second bearing frame, and a buffer roller is mounted on the shaft rod.
9. The air bag based elevator anti-falling safety device according to claim 8, wherein the shaft rod is provided with a steel layer and a rubber layer in sequence from inside to outside.
10. The airbag-based elevator fall arrest safety device according to claim 1, wherein a plurality of moving wheels are mounted to the first carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606184.8A CN112794178A (en) | 2020-12-28 | 2020-12-28 | Elevator anti-falling safety device based on air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606184.8A CN112794178A (en) | 2020-12-28 | 2020-12-28 | Elevator anti-falling safety device based on air bag |
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| Publication Number | Publication Date |
|---|---|
| CN112794178A true CN112794178A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011606184.8A Pending CN112794178A (en) | 2020-12-28 | 2020-12-28 | Elevator anti-falling safety device based on air bag |
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| CN (1) | CN112794178A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116081429A (en) * | 2023-04-07 | 2023-05-09 | 江苏省方正电梯有限公司 | Intelligent elevator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607166B1 (en) * | 2002-08-06 | 2003-08-19 | Astrium Gmbh | Inflatable flying body for the rescue descent of a person |
| CN201939906U (en) * | 2010-11-16 | 2011-08-24 | 卓健力 | Instant type life saving equipment for high-altitude falling |
| CN203154639U (en) * | 2013-02-02 | 2013-08-28 | 重庆生竹科技发展有限公司 | Buffering air bag type fire-fighting and life-saving air cushion |
| US20160101300A1 (en) * | 2014-10-10 | 2016-04-14 | Zero Shock, LLC | Safety Airbag System |
| CN207581110U (en) * | 2017-12-12 | 2018-07-06 | 张绪红 | A kind of Elevator safety airbag device |
| WO2020095123A1 (en) * | 2018-11-10 | 2020-05-14 | Heydari Sadegh | The elevator cage insulated with airbag to reduce injuries caused by falls or crashes |
-
2020
- 2020-12-28 CN CN202011606184.8A patent/CN112794178A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607166B1 (en) * | 2002-08-06 | 2003-08-19 | Astrium Gmbh | Inflatable flying body for the rescue descent of a person |
| CN201939906U (en) * | 2010-11-16 | 2011-08-24 | 卓健力 | Instant type life saving equipment for high-altitude falling |
| CN203154639U (en) * | 2013-02-02 | 2013-08-28 | 重庆生竹科技发展有限公司 | Buffering air bag type fire-fighting and life-saving air cushion |
| US20160101300A1 (en) * | 2014-10-10 | 2016-04-14 | Zero Shock, LLC | Safety Airbag System |
| CN207581110U (en) * | 2017-12-12 | 2018-07-06 | 张绪红 | A kind of Elevator safety airbag device |
| WO2020095123A1 (en) * | 2018-11-10 | 2020-05-14 | Heydari Sadegh | The elevator cage insulated with airbag to reduce injuries caused by falls or crashes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116081429A (en) * | 2023-04-07 | 2023-05-09 | 江苏省方正电梯有限公司 | Intelligent elevator |
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Application publication date: 20210514 |