CN110745666A - Elevator car with falling protection function - Google Patents
Elevator car with falling protection function Download PDFInfo
- Publication number
- CN110745666A CN110745666A CN201911191461.0A CN201911191461A CN110745666A CN 110745666 A CN110745666 A CN 110745666A CN 201911191461 A CN201911191461 A CN 201911191461A CN 110745666 A CN110745666 A CN 110745666A
- Authority
- CN
- China
- Prior art keywords
- car
- pressure tank
- pressure
- elevator car
- cavities
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- 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
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses an elevator car with a falling protection function, which comprises a car body, wherein cavities are formed in the upper end and the lower end of the car body, high-pressure tank bodies are fixedly arranged in the two cavities, air pipes are fixedly communicated with the two sides of each high-pressure tank body, guide grooves are formed in the side walls of the car body of the two cavities, strong springs are welded in the guide grooves at equal intervals, and protection plates which are sleeved in the guide grooves in a sliding mode are welded on the strong springs. According to the invention, the protection plate is movably arranged in the carriage body by using the powerful spring, the high-pressure tank body is arranged in the upper end and the lower end of the carriage body, the air pipe and the high-pressure pipe which are communicated are connected between the high-pressure tank body and the protection plate, and the piston is driven to move in the high-pressure pipe by using the lifting of the protection plate, so that the gas moves back and forth between the high-pressure tank body and the high-pressure pipe, thereby providing elastic support for the protection plate; the base of the air bag is sleeved at the lower end of the car carriage body, and the air bag which can be deformed in a telescopic mode is used for providing a certain buffering effect for the car carriage body falling at a high speed.
Description
Technical Field
The invention relates to the technical field of elevator safety protection, in particular to an elevator car with a falling protection function.
Background
Along with the continuous development of scientific and technological, the continuous expansion of urbanization scale for more and more high-rise buildings pull out the ground, but higher floor height above sea level also brought the trouble for people from top to bottom, under the existing condition, even more convenient elevator of high efficiency has also appeared, and a hollow car that can bear more than 1 ton weight carries out the removal of vertical direction promptly, nevertheless in practical application process, can take place the car shake occasionally or even the accident that falls from the eminence occasionally hardly to avoid.
When an accident occurs, i.e. the ropes used for traction in the elevator lose control of the car, the car will generally be in two states: the process of accelerated descending can lead people or objects in the lift car to be in a weightless state, because the falling speed of the people or the objects is less than that of the lift car, the people or the objects can impact the top end of the lift car in the process; the car can make the car upwards bounce a take the altitude again because of the reaction force on ground contacting ground, the process of moving up promptly can make people or thing in the car be in overweight state because the speed of moving up of people or thing is less than the car, at this in-process, people or thing can cause the striking to the bottom of car, and traditional car structure is mostly fixed, lacks effectual buffer protection at the atress in-process, very easily causes violent striking to people or thing, especially has serious personal safety threat to the passenger in the car.
Disclosure of Invention
The invention aims to solve the problem that the accidental falling of an elevator car in the prior art has high safety threat, and provides an elevator car with a falling protection function.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an elevator car with safeguard action falls, includes the railway carriage or compartment body, all seted up the cavity in the upper and lower both ends of the railway carriage or compartment body, and all fixed high-pressure jar of being equipped with in two cavities, the equal fixed intercommunication in high-pressure jar of body both sides has the trachea, two the guide way has all been seted up in the railway carriage or compartment body lateral wall of cavity, and equidistant welding has a powerful spring in the guide way, the welding has the guard plate that the sliding sleeve was located in the guide way on the powerful spring, guard plate both sides fixedly connected with and trachea matched with high-pressure tube, and the welding has the piston rod that the sliding sleeve was located in the high-pressure jar of body in the middle part of the guard plate, the piston rod is located the internal one end fixedly connected with piston of high-pressure jar, railway carriage or compartment body lower extreme bolted connection has.
Preferably, two of the cavities vertically correspond and two of the protection plates vertically correspond.
Preferably, the strong springs are distributed in a straight line and at equal intervals, and four sides of the protection plate connected with the strong springs are movably located in the four guide grooves respectively.
Preferably, the air pipe is of an L-shaped structure, and one end, far away from the high-pressure tank body, of the air pipe is slidably sleeved in the high-pressure pipe.
Preferably, the base is of an annular structure, and the airbag located in the base is located right below the carriage.
Preferably, two guide rails are located on the outer side wall of the carriage body above the base.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the upper end and the lower end of the lift car are correspondingly provided with the cavities with opposite openings, and the protection plate is movably arranged in the side wall of the car body in the cavity by utilizing the strong spring so as to provide elastic support capable of moving up and down for the protection plate.
2. According to the invention, the high-pressure tank body is arranged in the cavity, the air pipe, the high-pressure pipe and the piston rod which moves synchronously are respectively connected between the high-pressure tank body and the protection plate, so that the heavy object in the car carriage extrudes the gas in the high-pressure tank body through the protection plate, the gas moves into the high-pressure pipe through the air pipe, and the protection plate is provided with buffer protection by the back-and-forth flow of the gas.
3. According to the invention, the base with the annular structure is fixedly arranged at the lower end of the car carriage body, the air bag in an inflated state is arranged in the base, and the telescopic deformation air bag is utilized to provide a buffer effect for the car carriage body, so that the impact effect of high-speed movement on the car carriage body is reduced.
In summary, the protection plate is movably mounted in the carriage body by the strong spring, the high-pressure tank body is arranged in the upper end and the lower end of the carriage body, the air pipe and the high-pressure pipe which are communicated are connected between the high-pressure tank body and the protection plate, and the piston is driven to move in the high-pressure pipe by lifting of the protection plate, so that air can move back and forth between the high-pressure tank body and the high-pressure pipe, and the protection plate is elastically supported; the base of the air bag is sleeved at the lower end of the car carriage body, and the air bag which can be deformed in a telescopic mode is used for providing a certain buffering effect for the car carriage body falling at a high speed.
Drawings
Fig. 1 is a schematic structural view of an elevator car with a falling protection function according to the present invention;
fig. 2 is an enlarged view of a part a of the structure of an elevator car with a falling protection function according to the present invention;
fig. 3 is a schematic structural view of a cage body of an elevator car with a falling protection function according to the present invention;
fig. 4 is a schematic structural view of a protective plate of an elevator car with a falling protection function according to the invention;
fig. 5 is a schematic view of a connection structure of a base and an airbag of an elevator car with a falling protection function according to the present invention.
In the figure: the air-conditioning device comprises a box body 1, a cavity 2, a high-pressure tank body 3, an air pipe 4, a guide groove 5, a strong spring 6, a protection plate 7, a high-pressure pipe 8, a piston rod 9, a piston 10, a base 11, an annular groove 12, an air bag 13 and a guide rail 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an elevator car with a falling protection function comprises a car body 1, wherein cavities 2 are respectively formed in the upper end and the lower end of the car body 1, and high-pressure tank bodies 3 are fixedly arranged in the two cavities 2, it should be noted that the high-pressure tank bodies 3 are filled with high-pressure nitrogen or helium which are inert gases, so that the high-pressure tank bodies 3 can not generate spontaneous combustion or combustion supporting even if being highly extruded, and can not generate explosion due to high-pressure environment because of extremely stable property, so that high safety guarantee is provided, air pipes 4 are fixedly communicated with the two sides of the high-pressure tank bodies 3, guide grooves 5 are respectively formed in the side walls of the car body 1 of the two cavities 2, strong springs 6 are equidistantly welded in the guide grooves 5, protection plates 7 which are slidably sleeved in the guide grooves 5 are welded on the strong springs 6, and one protection plate 7 positioned at the upper end of the car body 1 is taken, a protection plate 7 at the lower end of the carriage body 2 is used as a bottom plate, a soft rubber cushion is fixedly connected to the protection plate 7 as a top plate, the head of a passenger is prevented from violently colliding with the protection plate 7, high-pressure pipes 8 matched with the air pipes 4 are fixedly connected to two sides of the protection plate 7, one ends of the air pipes 4 in the high-pressure pipes 8 are sleeved with sealing washers, so that the sealing performance of connection between the protection plate and the passenger is improved, a piston rod 9 which is sleeved in the high-pressure tank body 3 in a sliding manner is welded in the middle of the protection plate 7, one ends of the piston rods 9 in the high-pressure tank body 3 are fixedly connected with pistons 10, the pistons 10 move up and down under the driving of the piston rods 9 to extrude and push high-pressure air, a base 11 is bolted at the lower end of the carriage body 1, an annular groove 12 is horizontally arranged in the base 11, the elevator installation structure on the two sides of the compartment body 1 is vertically provided with two annular grooves to slidably sleeve the guide rails 14 connected to the compartment body 1, so that the compartment body 1 moving vertically is guided and limited.
The two cavities 2 correspond vertically and the two protection plates 7 correspond vertically.
The strong springs 6 are distributed in a linear equidistant mode, four sides of the protection plate 7 connected with the strong springs 6 are movably located in the four guide grooves 5 respectively, and the protection plate 7 can move up and down in the guide grooves 5 to be adjusted under the elastic support of the strong springs 6.
The trachea 4 is L type structure, and the trachea 4 is kept away from the one end slip cap of the high-pressure jar of body 3 and is located in the high-pressure pipe 8, can realize the two-way flow of high-pressure gas between the high-pressure jar of body 3 and high-pressure pipe 8.
The base 11 is of an annular structure, the airbag 13 located in the base 11 is located right below the carriage body 1, the two guide rails 14 are located on the outer side wall of the carriage body 1 above the base 11, when the carriage body 1 falls to be in contact with the ground, under the auxiliary action of the airbag 13, a certain buffering effect can be provided for the carriage body 1, and the carriage body 1 can also be accelerated to move upwards, so that the protection effect of the protection plate 7 serving as a bottom plate is exerted.
The invention can be illustrated by the following operating modes:
the elevator car body 1 moves down vertically in the peripheral annular groove through the guide rail 14, and when the car body 1 drives the air bag 13 to move to contact with the ground through the base 11, the air bag 13 extrudes with the ground, so that the air bag 13 deforms and contracts, but under the action of shape recovery, a certain buffering effect is provided for the car body 1.
It should be noted that:
in the moving down process, the car body 1 of the car moves down in an accelerating manner, people or objects in the car body 1 are in a weightless state, so that a protection plate 7 in the upper end of the car body 1 is extruded, the protection plate 7 moves up in the guide groove 5 and extrudes the strong spring 6, the strong spring 6 is stressed and condensed, the upward protection plate 7 drives the piston 10 to move upwards in the high-pressure tank body 3 through the piston rod 9, one end, far away from the high-pressure tank body 3, of the air pipe 4 slides into the high-pressure pipe 8, meanwhile, air in the high-pressure tank body 3 enters the high-pressure pipe 8 through the air pipe 4, the protection plate 7 is retracted under the tension action of the strong spring 6, and the air in the high-pressure pipe 8 also flows back into the high-pressure tank body 3 through the air pipe 4;
when the car body 1 moves down to the lowest position, under the rebound supporting action of the air bag 13, the car body 1 moves up at an accelerated speed, people or objects in the car body 1 are in an overweight state, the protection plate 7 in the lower end of the car body 1 is extruded, the protection plate 7 moves down in the guide groove 5 and extrudes the strong spring 6, so that the strong spring 6 is stressed and condensed, the downward moving protection plate 7 drives the piston 10 to move downwards in the high-pressure tank body 3 through the piston rod 9, one end, far away from the high-pressure tank body 3, of the air pipe 4 slides into the high-pressure pipe 8, meanwhile, the gas in the high-pressure tank body 3 enters the high-pressure pipe 8 through the air pipe 4, under the tension action of the strong spring 6, the protection plate 7 is withdrawn, and the gas in the high-pressure pipe 8 also flows back into the high-pressure tank body 3 through the air pipe 4, so that the cushioning protection effect is provided for the people and.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An elevator car with a falling protection function comprises a car body (1) and is characterized in that cavities (2) are formed in the upper end and the lower end of the car body (1), high-pressure tank bodies (3) are fixedly arranged in the two cavities (2), air pipes (4) are fixedly communicated with the two sides of each high-pressure tank body (3), guide grooves (5) are formed in the side walls of the two car bodies (1) of the two cavities (2), strong springs (6) are welded in the guide grooves (5) at equal intervals, protection plates (7) which are sleeved in the guide grooves (5) in a sliding mode are welded on the strong springs (6), high-pressure pipes (8) matched with the air pipes (4) are fixedly connected to the two sides of each protection plate (7), piston rods (9) which are sleeved in the high-pressure tank bodies (3) in the sliding mode are welded in the middles of the protection plates (7), and pistons (10) are fixedly connected to the ends, located in the high-, the railway carriage or compartment body (1) lower extreme bolted connection has base (11), and the level opening is equipped with annular (12) in base (11), fixed mounting has gasbag (13) in annular (12), and the equal fixedly connected with guided way (14) of railway carriage or compartment body (1) both sides wall.
2. An elevator car with fall protection according to claim 1, characterized in that two of said cavities (2) correspond vertically and two protection plates (7) correspond vertically.
3. Elevator car with fall protection according to claim 2, characterized in that the strong springs (6) are distributed equidistantly in a straight line and the four sides of the protective plate (7) connected to the strong springs (6) are movably located in the four guide grooves (5) respectively.
4. The elevator car with the falling protection function according to claim 1, wherein the air pipe (4) is of an L-shaped structure, and one end of the air pipe (4) far away from the high-pressure tank body (3) is slidably sleeved in the high-pressure pipe (8).
5. An elevator car with fall protection according to claim 1, characterized in that the base (11) is of annular construction and the air bag (13) located in the base (11) is located directly below the car (1).
6. Elevator car with fall protection according to claim 5, characterized in that two guide rails (14) are located on the outer side wall of the car body (1) above the base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191461.0A CN110745666A (en) | 2019-11-28 | 2019-11-28 | Elevator car with falling protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191461.0A CN110745666A (en) | 2019-11-28 | 2019-11-28 | Elevator car with falling protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110745666A true CN110745666A (en) | 2020-02-04 |
Family
ID=69284920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911191461.0A Pending CN110745666A (en) | 2019-11-28 | 2019-11-28 | Elevator car with falling protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110745666A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4265554A1 (en) * | 2022-04-20 | 2023-10-25 | Liftup A/S | Underpan for lifting systems |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201211990Y (en) * | 2008-06-04 | 2009-03-25 | 日立电梯（中国）有限公司 | Elevator buffer device |
| CN201952080U (en) * | 2011-03-30 | 2011-08-31 | 厦门大学 | Elevator safety system based on safety airbag system |
| CN202175486U (en) * | 2011-06-28 | 2012-03-28 | 宁津三立电梯部件有限公司 | Hydraulic buffer of gas reset throttling hole for elevator |
| CN102530678A (en) * | 2012-02-24 | 2012-07-04 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
| CN103318724A (en) * | 2013-07-08 | 2013-09-25 | 白波 | Elevator or manned lifter collision buffering and protecting device |
| JP2015081189A (en) * | 2013-10-24 | 2015-04-27 | 株式会社日立ビルシステム | Diagnostic operation device for elevator |
| CN205076629U (en) * | 2015-11-11 | 2016-03-09 | 四川汇辰精密机械有限公司 | Higher elevator car of security |
| CN107285163A (en) * | 2017-08-29 | 2017-10-24 | 湖州高恒电梯配件有限公司 | A kind of good safety device for elevator of protecting effect |
| CN107352349A (en) * | 2017-08-29 | 2017-11-17 | 湖州高恒电梯配件有限公司 | A kind of elevator fall protection equipment |
| CN107572342A (en) * | 2017-11-01 | 2018-01-12 | 沈阳建筑大学 | Used during elevator falling combined type protection device |
| CN108002187A (en) * | 2018-01-30 | 2018-05-08 | 吴江骏达电梯部件有限公司 | A kind of elevator safety car |
-
2019
- 2019-11-28 CN CN201911191461.0A patent/CN110745666A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201211990Y (en) * | 2008-06-04 | 2009-03-25 | 日立电梯（中国）有限公司 | Elevator buffer device |
| CN201952080U (en) * | 2011-03-30 | 2011-08-31 | 厦门大学 | Elevator safety system based on safety airbag system |
| CN202175486U (en) * | 2011-06-28 | 2012-03-28 | 宁津三立电梯部件有限公司 | Hydraulic buffer of gas reset throttling hole for elevator |
| CN102530678A (en) * | 2012-02-24 | 2012-07-04 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
| CN103318724A (en) * | 2013-07-08 | 2013-09-25 | 白波 | Elevator or manned lifter collision buffering and protecting device |
| JP2015081189A (en) * | 2013-10-24 | 2015-04-27 | 株式会社日立ビルシステム | Diagnostic operation device for elevator |
| CN205076629U (en) * | 2015-11-11 | 2016-03-09 | 四川汇辰精密机械有限公司 | Higher elevator car of security |
| CN107285163A (en) * | 2017-08-29 | 2017-10-24 | 湖州高恒电梯配件有限公司 | A kind of good safety device for elevator of protecting effect |
| CN107352349A (en) * | 2017-08-29 | 2017-11-17 | 湖州高恒电梯配件有限公司 | A kind of elevator fall protection equipment |
| CN107572342A (en) * | 2017-11-01 | 2018-01-12 | 沈阳建筑大学 | Used during elevator falling combined type protection device |
| CN108002187A (en) * | 2018-01-30 | 2018-05-08 | 吴江骏达电梯部件有限公司 | A kind of elevator safety car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4265554A1 (en) * | 2022-04-20 | 2023-10-25 | Liftup A/S | Underpan for lifting systems |
| WO2023203054A1 (en) * | 2022-04-20 | 2023-10-26 | Liftup A/S | Underpan for lifting systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211169399U (en) | Counterweight buffer of safety elevator | |
| KR101375390B1 (en) | Buffer device of the elevator | |
| CN101734211A (en) | Car body collision buffer device | |
| CN104444691A (en) | Cushioning device for falling of elevator | |
| CN110745666A (en) | Elevator car with falling protection function | |
| CN114368432B (en) | Carriage buffering and damping structure of transport vehicle | |
| CN109969902A (en) | A kind of elevator is with preventing device out of control | |
| CN221370082U (en) | Elevator safety protection structure | |
| CN207061569U (en) | A kind of elevator buffer device | |
| CN215402450U (en) | Elevator buffer device | |
| CN112960507B (en) | Multiple opposite-direction type buffering and damping device for elevator car | |
| CN209635686U (en) | A kind of damping elevator | |
| CN218754377U (en) | Formula hydraulic pressure safety villa elevator is driven on top | |
| CN210824986U (en) | Elevator car buffer device with air bag | |
| CN206783056U (en) | A kind of foamed aluminium elevator of external compression falls buffer gear | |
| CN207451443U (en) | A kind of collision prevention device of electric block crane | |
| CN206797196U (en) | A kind of adaptive shock-absorbing seat base of air pressure | |
| CN217516471U (en) | Reduce polyurethane buffer for elevator of buffer stroke | |
| CN216331597U (en) | Suspension height adjusting device for air suspension type seat | |
| CN219602988U (en) | Elevator with multiple safety protection functions | |
| CN210619909U (en) | Elevator buffer device | |
| CN214989503U (en) | Elevator car base | |
| CN220412543U (en) | Elevator damping device | |
| CN213838007U (en) | Interim protector of track traffic engineering | |
| CN109179165B (en) | Bottom damping device of elevator car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200204 |