CN221521732U - Elevator anti-falling safety device - Google Patents
Elevator anti-falling safety device Download PDFInfo
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- CN221521732U CN221521732U CN202420166365.0U CN202420166365U CN221521732U CN 221521732 U CN221521732 U CN 221521732U CN 202420166365 U CN202420166365 U CN 202420166365U CN 221521732 U CN221521732 U CN 221521732U
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- 230000005484 gravity Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of elevators and discloses an elevator anti-falling safety device, which comprises an elevator shaft, wherein an elevator component is arranged in the elevator shaft, a speed reduction component is fixedly connected to the upper part of the elevator component, a buffer component is arranged below the elevator component, the speed reduction component comprises a fixed plate, a fixed block is fixedly connected to the upper part of the fixed plate, a movable block is slidably connected to the inner part of the fixed block, support rods are rotatably connected to the two sides of the movable block, a sliding block is arranged below the support rods, and one end of each support rod is fixedly connected with a friction plate. This safety device that falls is prevented to elevator, lifting rope have ascending pulling force, and when lifting rope loses ascending pulling force, the spring shrink drives the movable block and moves down, and the movable block drives the one end of branch and moves down, and branch drives the slider and outwards moves, and branch drives the friction plate and outwards moves, friction plate and the inside friction of elevator shaft to reduce the speed that the elevator descends.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator anti-falling safety device.
Background
An elevator is a vertical elevator powered by an electric motor and provided with a box-shaped nacelle for passengers or cargo in a multi-story building, and conventionally, regardless of the driving mode, the elevator is used as a general term for vertical transportation means in a building.
In high-rise buildings, an elevator is an important component, and in the construction process, an elevator shaft opening is a high-rise area of a high-rise falling safety accident, and the protection of the elevator shaft opening is an important point of safety protection of a construction site.
Prior art publication CN 214399420U patent document provides an elevator safety device that falls, relate to elevator safety technical field, an elevator safety device that falls, including the elevator shaft, hauler and chain, the upper end fixed mounting of elevator shaft has the hauler, the right side of hauler rotates and is connected with first pivot, the outer wall fixedly connected with first gear of first pivot, the outer wall rotation of first gear is connected with the hauler, the terminal fixedly connected with first solid fixed ring of hauler, the lower extreme fixedly connected with car of first solid fixed ring, the left and right sides face of car all welds the fixed block, through setting up gravity board and stay cord, gravity board and car are connected to the stay cord, the weight of gravity board is greater than the gravity of car, make it can not descend, the traction dynamics of hauler is greater than the gravity of gravity board, drive car lift, lose electric power when the floor is cut off, the traction of stop car falls downwards, the gravity of gravity board prevents that the car from falling.
Foretell technique will pull the car through the gravity piece to prevent that the car from falling, but the gravity piece can continue to upwards pull the car, leads to the floor that the elevator stopped to be too high, need climb to the high-rise when rescuing and maintaining and go to maintain, and the risk is bigger, consequently, needs an elevator to prevent safety device that falls.
Disclosure of utility model
The utility model aims to provide an elevator anti-falling safety device, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the elevator anti-falling safety device comprises an elevator shaft, wherein an elevator assembly is arranged in the elevator shaft, a speed reducing assembly is fixedly connected above the elevator assembly, and a buffer assembly is arranged below the elevator assembly;
The speed reducing assembly comprises a fixed plate, a fixed block is fixedly connected above the fixed plate, a movable block is connected inside the fixed block in a sliding manner, support rods are connected to the two sides of the movable block in a rotating manner, a sliding block is arranged below the support rods, and one end of each support rod is fixedly connected with a friction plate;
The buffer assembly comprises an upper support plate, a damper is fixedly connected to the lower portion of the upper support plate, a lower support plate is arranged below the damper, a lower limit plate is fixedly connected to the side face of the lower support plate, and third sliding rods are arranged on the two sides of the lower limit plate.
Preferably, the elevator assembly comprises a car, the upper end of the car is fixedly connected with an upper limiting plate, and first sliding rods are arranged on two sides of the upper limiting plate.
Preferably, the first sliding grooves are formed in two sides of the inner portion of the lower limiting plate, and the second sliding rods are connected to the inner portions of the sliding grooves in a sliding mode.
Preferably, the second sliding grooves are formed in two sides of the interior of the elevator shaft, and the third sliding rod is connected inside the sliding grooves in a sliding mode.
Preferably, the dampers are provided with four groups in total, and the four groups of dampers are uniformly arranged below the upper support plate.
Preferably, a third sliding groove is formed in the upper portion of the fixing plate, and the third sliding groove is connected with the lower portion of the sliding block in a sliding mode.
Preferably, a fourth chute is arranged in the fixed block, and the inside of the fourth chute is in sliding connection with the movable block.
Compared with the prior art, the utility model has the following beneficial effects:
The first, the utility model is provided with the fixed plate, the fixed block, the movable block, the spring, the strut, the sliding block and the friction plate, when the lifting rope loses the upward tension, the spring contracts to drive the movable block to move downwards, the movable block drives one end of the strut to move downwards, the strut drives the sliding block to move outwards, and the strut drives the friction plate to move outwards, and the friction plate rubs with the inside of the elevator shaft, so that the descending speed of the elevator is reduced.
The second, the utility model has upper support plate, damper, lower support plate, lower limiting plate, third slide bar, the third slide bar descends in the first spout of the elevator shaft, drive the lower limiting plate to descend, the lower limiting plate drives the lower support plate to descend, the lower support plate drives the damper to descend, the damper drives the upper support plate to descend, the buffer assembly falls to the bottom first, the lower support plate stops to descend, the upper support plate continues to descend, compress the damper, convert kinetic energy into friction force, thus guarantee the safety of passengers.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of a deceleration assembly according to the present utility model;
FIG. 4 is a schematic view of a buffer assembly according to the present utility model;
Fig. 5 is a schematic view of the elevator assembly of the present utility model.
Wherein: 1. an elevator shaft; 2. a hanging rope; 3. a deceleration assembly; 301. a fixing plate; 302. a fixed block; 303. a movable block; 304. a spring; 305. a support rod; 306. a slide block; 307. a friction plate; 4. an elevator assembly; 401. a car; 402. an upper limit plate; 403. a first slide bar; 404. a second slide bar; 5. a buffer assembly; 501. an upper support plate; 502. a damper; 503. a lower support plate; 504. a lower limit plate; 505. and a third slide bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an elevator anti-falling safety device comprises an elevator shaft 1, wherein an elevator assembly 4 is arranged in the elevator shaft 1, a speed reducing assembly 3 is fixedly connected above the elevator assembly 4, and a buffer assembly 5 is arranged below the elevator assembly 4;
The speed reducing assembly 3 comprises a fixed plate 301, a fixed block 302 is fixedly connected above the fixed plate 301, a movable block 303 is slidably connected inside the fixed block 302, support rods 305 are rotatably connected to two sides of the movable block 303, a sliding block 306 is arranged below the support rods 305, and one end of each support rod 305 is fixedly connected with a friction plate 307;
The buffer assembly 5 comprises an upper support plate 501, a damper 502 is fixedly connected to the lower side of the upper support plate 501, a lower support plate 503 is arranged below the damper 502, a lower limit plate 504 is fixedly connected to the side face of the lower support plate 503, and third sliding rods 505 are arranged on two sides of the lower limit plate 504.
Through the above technical scheme, when the lifting rope 2 loses the upward tension, the spring 304 contracts, the movable block 303 is driven to move downwards, one end of the movable block 303 drives the supporting rod 305 to move downwards, the supporting rod 305 drives the sliding block 306 to move outwards, the supporting rod 305 drives the friction plate 307 to move outwards, the friction plate 307 rubs with the inside of the elevator shaft 1, the third sliding rod 505 descends in the first sliding groove of the elevator shaft 1, the lower limiting plate 504 is driven to descend, the lower limiting plate 504 drives the lower supporting plate 503 to descend, the lower supporting plate 503 drives the damper 502 to descend, the damper 502 drives the upper supporting plate 501 to descend, the buffer assembly 5 firstly falls to the bottom, the lower supporting plate 503 stops falling, the upper supporting plate 501 continues to descend, and the damper 502 is compressed.
Specifically, the elevator assembly 4 includes a car 401, and an upper limit plate 402 is fixedly connected to an upper end of the car 401, and first slide bars 403 are disposed on two sides of the upper limit plate 402.
Through above-mentioned technical scheme, elevator subassembly 4 includes car 401, and the upper end fixedly connected with of car 401 goes up limiting plate 402, and the both sides of going up limiting plate 402 are provided with first slide bar 403, go up limiting plate 402 cooperation lower limiting plate 504 and fix car 401 to stabilize car 401.
Specifically, the two sides of the inner portion of the lower limiting plate 504 are provided with second sliding grooves, and the inner portions of the sliding grooves are slidably connected with second sliding rods 404.
Through the above technical scheme, the two sides of the inner part of the lower limiting plate 504 are provided with the second sliding grooves, the inner parts of the second sliding grooves are slidably connected with the second sliding rods 404, and the second sliding rods 404 slide up and down in the second sliding grooves of the lower limiting plate 504 to drive the car 401 to slide up and down in the lower limiting plate 504.
Specifically, the first sliding grooves are formed on two sides of the interior of the elevator shaft 1, and the third sliding rod 505 is slidably connected inside the first sliding grooves.
Through the above technical scheme, the first sliding grooves are formed in two sides of the interior of the elevator shaft 1, the third sliding rod 505 is slidably connected in the first sliding grooves, the third sliding rod 505 vertically slides in the first sliding grooves of the elevator shaft 1, and the elevator car 401 is driven to vertically slide in the elevator shaft 1.
Specifically, four sets of dampers 502 are provided in total, and the four sets of dampers 502 are uniformly disposed under the upper support plate 501.
Through the above technical scheme, four groups of dampers 502 are arranged in total, and the four groups of dampers 502 are uniformly arranged below the upper support plate 501, and the four groups of dampers 502 are all friction dampers to convert falling kinetic energy into friction force, so that a buffering effect is achieved.
Specifically, a third sliding groove is formed in the upper portion of the fixing plate 301, and the third sliding groove is slidably connected with the lower portion of the sliding block 306.
Through the above technical scheme, the third sliding groove is formed in the upper portion of the fixing plate 301, the third sliding groove is connected with the lower portion of the sliding block 306 in a sliding mode, the supporting rod 305 pushes the sliding block 306 to move outwards, and the bottom of the sliding block 306 is arranged in the third sliding groove, so that the sliding block 306 moves along the third sliding groove.
Specifically, a fourth chute is provided in the fixed block 302, and the inside of the fourth chute is slidably connected to the movable block 303.
Through the above technical scheme, the inside of fixed block 302 has been seted up the fourth spout, and the inside and the movable block 303 sliding connection of fourth spout, and lifting rope 2 has ascending pulling force, pulls movable block 303 to support at the top of fixed block 302 to extension spring 304.
When the lifting rope 2 is used, the lifting rope 2 is pulled to support the top of the fixed block 302 by the upward pulling force, the spring 304 is stretched, when the lifting rope 2 loses the upward pulling force, the spring 304 is contracted, the movable block 303 is driven to move downwards, one end of the supporting rod 305 is driven to move downwards by the movable block 303, the sliding block 306 is driven to move outwards by the supporting rod 305, the friction plate 307 is driven to move outwards by the supporting rod 305, friction between the friction plate 307 and the inside of the elevator shaft 1 is reduced, the descending speed is reduced, the third sliding rod 505 descends in a chute of the elevator shaft 1 in the descending process, the lower limiting plate 504 is driven to descend, the lower limiting plate 504 drives the lower supporting plate 503 to descend, the lower supporting plate 503 drives the damper 502 to descend, the upper supporting plate 501 is driven to descend, the buffer assembly 5 firstly falls to the bottom, the lower supporting plate 503 stops to descend, the upper supporting plate 501 continues to descend, and the damper 502 is compressed, and kinetic energy is converted into friction force, so that buffering is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An elevator anti-falling safety device comprises an elevator shaft (1), and is characterized in that: an elevator assembly (4) is arranged in the elevator shaft (1), a speed reduction assembly (3) is fixedly connected above the elevator assembly (4), and a buffer assembly (5) is arranged below the elevator assembly (4);
The speed reduction assembly (3) comprises a fixed plate (301), a fixed block (302) is fixedly connected above the fixed plate (301), a movable block (303) is slidably connected inside the fixed block (302), support rods (305) are rotatably connected to two sides of the movable block (303), a sliding block (306) is arranged below the support rods (305), and one end of each support rod (305) is fixedly connected with a friction plate (307);
The buffer assembly (5) comprises an upper support plate (501), a damper (502) is fixedly connected to the lower side of the upper support plate (501), a lower support plate (503) is arranged below the damper (502), a lower limit plate (504) is fixedly connected to the side face of the lower support plate (503), and third sliding rods (505) are arranged on the two sides of the lower limit plate (504).
2. The elevator fall arrest safety device according to claim 1, wherein: the elevator assembly (4) comprises a car (401), an upper limiting plate (402) is fixedly connected to the upper end of the car (401), and first sliding rods (403) are arranged on two sides of the upper limiting plate (402).
3. The elevator fall arrest safety device according to claim 1, wherein: second sliding grooves are formed in two sides of the inner portion of the lower limiting plate (504), and second sliding rods (404) are connected to the inner portions of the sliding grooves in a sliding mode.
4. The elevator fall arrest safety device according to claim 1, wherein: the elevator hoistway (1) is characterized in that first sliding grooves are formed in two sides of the interior of the elevator hoistway (1), and the third sliding rod (505) is connected inside the first sliding grooves in a sliding mode.
5. The elevator fall arrest safety device according to claim 1, wherein: the dampers (502) are provided with four groups in total, and the four groups of dampers (502) are uniformly arranged below the upper support plate (501).
6. The elevator fall arrest safety device according to claim 1, wherein: a third sliding groove is formed in the upper portion of the fixing plate (301), and the third sliding groove is connected with the lower portion of the sliding block (306) in a sliding mode.
7. The elevator fall arrest safety device according to claim 1, wherein: a fourth sliding groove is formed in the fixed block (302), and the inside of the fourth sliding groove is connected with the movable block (303) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420166365.0U CN221521732U (en) | 2024-01-23 | 2024-01-23 | Elevator anti-falling safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420166365.0U CN221521732U (en) | 2024-01-23 | 2024-01-23 | Elevator anti-falling safety device |
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| Publication Number | Publication Date |
|---|---|
| CN221521732U true CN221521732U (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420166365.0U Active CN221521732U (en) | 2024-01-23 | 2024-01-23 | Elevator anti-falling safety device |
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| Country | Link |
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| CN (1) | CN221521732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119738588A (en) * | 2025-02-24 | 2025-04-01 | 苏州笛灵科技有限公司 | Pneumatic impact type calibration equipment for acceleration sensor |
-
2024
- 2024-01-23 CN CN202420166365.0U patent/CN221521732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119738588A (en) * | 2025-02-24 | 2025-04-01 | 苏州笛灵科技有限公司 | Pneumatic impact type calibration equipment for acceleration sensor |
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