CN219448931U - Elevator car anti-falling device - Google Patents
Elevator car anti-falling device Download PDFInfo
- Publication number
- CN219448931U CN219448931U CN202320209380.4U CN202320209380U CN219448931U CN 219448931 U CN219448931 U CN 219448931U CN 202320209380 U CN202320209380 U CN 202320209380U CN 219448931 U CN219448931 U CN 219448931U
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- elevator car
- elevator
- shaft
- plate
- connecting plate
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- 230000003068 static effect Effects 0.000 abstract description 4
- 230000001603 reducing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the technical field of elevators, in particular to an elevator car anti-falling device, which comprises an elevator shaft and an elevator car which is connected in the elevator shaft in a sliding manner and is used for controlling an elevator controller adopted by the elevator car, and is characterized in that: the elevator comprises two baffles symmetrically fixed on the inner wall of the elevator shaft, an anti-falling assembly fixed on the top of the elevator car and an on-off switch used for detecting whether an elevator car controller is electrified, wherein the anti-falling assembly is electrically connected with the on-off switch; in practical application, when the on-off switch detects that the power line of the elevator car controller is powered off, the elevator car is fixed in the elevator shaft in a short time through the anti-falling component and the baffle plate; the elevator car can quickly react after the elevator car is out of control and is powered off, so that the elevator car is in a static state in a short time, the casualties caused when the elevator car falls to the ground are effectively prevented, and the safety performance is better.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator car anti-falling device.
Background
An elevator refers to a permanent transport device that, when energized, can serve a number of specific floors within a building with its car traveling in at least two rows of rigid rails that are perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. However, the elevator car 12 in the prior art is rarely provided with emergency measures after being dropped out of control in power failure, which often causes casualties and has poor safety performance.
The prior Chinese patent with the publication number CN215101369U discloses a falling protection device for an elevator car, which comprises an elevator shaft and the elevator car. The beneficial effects are that: the speed reducing mechanism is provided with a plurality of, be convenient for improve the efficiency of falling, when the elevator falls, speed sensor senses when the speed that the elevator fell exceeds preset range value, speed sensor sends the controller with the signal, the controller and then control electro-magnet outage, thereby make the magnetism of electro-magnet disappear, the brake shoe stretches out from the elevator shaft inner wall under the elasticity effect of telescopic link this moment, brake shoe and sliding sleeve frequent contact, speed that the elevator fell is alleviated through the frictional force between brake shoe and the sliding sleeve, through setting up stop gear, be convenient for play certain spacing effect to the descending displacement of backup pad, through setting up magnet one and magnet two and buffer gear, be convenient for when the car fell to the bottom, buffer the car, alleviate the impact force that the car fell, thereby play certain guard action to the passenger in the car.
However, the following problems are also involved in the practical application of the above technology: because the floors provided with the elevators are all higher, when the elevator car is in high altitude out of control and is powered off, the impact force when falling to the ground is very large, the speed reducing effect of the elevator car is not good by means of the speed reducing mechanism, and the elevator car still can cause casualties when falling to the ground, so that the safety performance is poor.
Disclosure of Invention
The utility model aims to overcome the defects, and provides the elevator car anti-falling device which can quickly react after the elevator car is out of control and is powered off, so that the elevator car is in a static state in a short time, and the elevator car is effectively prevented from casualties caused when falling to the ground, and has better safety performance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an elevator car anti-falling device, includes the elevator shaft, sliding connection is at the elevator car in the elevator shaft for the elevator controller that control elevator car adopted, its characterized in that: the elevator comprises two baffles symmetrically fixed on the inner wall of an elevator shaft, an anti-falling assembly fixed at the top of an elevator car and an on-off switch used for detecting whether an elevator car controller is electrified or not, wherein the anti-falling assembly is electrically connected with the on-off switch.
Further, prevent weighing down subassembly includes backplate, rotating plate, connecting plate one, connecting plate two, round bar, support fixing base and motor, the backplate is fixed at elevator car top, motor and support fixing base are all fixed on the backplate, the last drive connection of output shaft of motor the rotating plate, the both ends of rotating plate pass through connecting axle one rotatable coupling connecting plate one, connecting plate one keep away from the one end of rotating plate passes through connecting axle two rotatable coupling connecting plate two, connecting plate two is kept away from the tip of one end fixed connection round bar of connecting plate one, just right on the support fixing base the round bar is provided with the through-hole, the motor makes the round bar flexible along the through-hole through drive rotating plate, connecting axle one, connecting axle two and connecting plate two, the round bar is in when stretching out the state, the bottom butt of round bar the upper surface of baffle.
Further, the first connecting plates and the second connecting plates are respectively arranged near two ends of the rotating plate.
Further, an abutting ring is arranged on the second connecting plate, a limit switch is further arranged on the back plate, when the round rod is in a complete extending state, the abutting ring abuts against the triggering end of the limit switch, and the limit switch is electrically connected with the motor.
Further, the motor comprises a reserve power supply fixed on the back plate, and the reserve power supply is used for supplying power to the motor.
Further, the support fixing seat is provided with at least two, and at least two through holes are coaxially arranged.
Further, along the length direction of the elevator shaft, the baffle plates are provided with at least two groups.
The beneficial effects of the utility model are as follows:
in practical application, when the on-off switch detects that the power line of the elevator car controller is powered off, the elevator car is fixed in the elevator shaft in a short time through the anti-falling component and the baffle plate; the elevator car can quickly react after the elevator car is out of control and is powered off, so that the elevator car is in a static state in a short time, the casualties caused when the elevator car falls to the ground are effectively prevented, and the safety performance is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
fig. 2 is a schematic view of the structure of the fall arrest assembly of the present utility model when the elevator car is in normal use;
FIG. 3 is a schematic view of the structure of the fall arrest assembly of the present utility model when triggered;
FIG. 4 is a schematic view of the structure of the fall arrest assembly of the present utility model in use;
reference numerals: an elevator shaft 11; an elevator car 12; two baffles 1; a fall protection assembly 2; a back plate 21; a rotating plate 22; a first connecting plate 23; a second connecting plate 24; a round bar 25; a support holder 26; a first connecting shaft 271; a second connection shaft 272; an abutment ring 281; a limit switch 282; a motor 29.
Detailed Description
As shown in fig. 1, 2, 3 and 4, an elevator car anti-falling device comprises an elevator shaft 11, an elevator car 12 slidably connected in the elevator shaft 11, and an elevator controller for controlling the elevator car 12, wherein: two baffles 1 symmetrically fixed on the inner wall of the elevator shaft 11, an anti-falling assembly 2 fixed on the top of the elevator car 12 and an on-off switch used for detecting whether the elevator car 12 controller is electrified, wherein the anti-falling assembly 2 is electrically connected with the on-off switch.
When the elevator car 12 controller is used, when the on-off switch detects that the power line of the elevator car 12 controller is powered off, the elevator car 12 is fixed in the elevator shaft 11 in a short time through the anti-falling assembly 2 and the baffle plate 1; the elevator car 12 can react rapidly after being out of control and power off, so that the elevator car is in a static state in a short time, and the elevator car 12 is effectively prevented from casualties caused when falling to the ground, and has better safety performance.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the anti-falling assembly 2 includes a back plate 21, a rotating plate 22, a first connecting plate 23, a second connecting plate 24, a round bar 25, a supporting and fixing seat 26 and a motor 29, wherein the back plate 21 is fixed on the top of the elevator car 12, the motor 29 and the supporting and fixing seat 26 are both fixed on the back plate 21, an output shaft of the motor 29 is in driving connection with the rotating plate 22, two ends of the rotating plate 22 are rotatably connected with the first connecting plate 23 through a first connecting shaft 271, one end of the first connecting plate 23, which is far away from the rotating plate 22, is rotatably connected with the second connecting plate 24 through a second connecting shaft 272, one end of the second connecting plate 24, which is far away from the first connecting plate 23, is fixedly connected with an end of the round bar 25, a through hole is formed in the supporting and fixing seat 26, the motor 29 stretches and stretches the round bar 25 along the through hole by driving the rotating plate 22, the first connecting shaft 271, the first connecting plate 23, the second connecting shaft and the second connecting shaft 24, when the round bar 25 is in a stretched state, the bottom end of the round bar 25 abuts against the upper surface 272 of the first connecting plate 1; in this embodiment, when the on-off switch detects that the power cord of the controller of the elevator car 12 is powered off, the motor 29 drives the first connecting shaft 271, the first connecting plate 23, the second connecting shaft 272 and the second connecting plate 24 through the driving rotating plate 22 to enable the round rod 25 to stretch along the through hole, so that the end of the round rod 25 extends to one side of the elevator car 12 and abuts against the upper surface of the baffle 1.
As shown in fig. 1, 2, 3 and 4, two connecting plates, one 23, are respectively disposed near two ends of the rotating plate 22; in this embodiment, when two connecting plates 23 are respectively disposed near the two ends of the rotating plate 22, the extension and retraction range of the round bar 25 is larger.
As shown in fig. 1, 2, 3 and 4, the second connecting plate 24 is provided with an abutting ring 281, the back plate 21 is further provided with a limit switch 282, when the round rod 25 is in a fully extended state, the abutting ring 281 abuts against a triggering end of the limit switch 282, and the limit switch 282 is electrically connected with the motor 29; in this embodiment, when the contact ring 281 contacts the trigger end of the limit switch 282 during the extending process of the round bar 25, the motor 29 can stop driving.
As shown in fig. 1, 2, 3 and 4, further comprises a reserve power supply fixed on the back plate 21, the reserve power supply being used for supplying power to the motor 29; in this embodiment, the motor 29 is powered by a reserve power supply.
As shown in fig. 1, 2, 3 and 4, at least two support fixing seats 26 are provided, and at least two through holes are coaxially provided; in this embodiment, by providing at least two support mounts 26, the safety performance of the elevator car 12 is improved.
As shown in fig. 1, 2, 3 and 4, at least two groups of baffles 1 are provided along the length direction of the elevator shaft 11; in this embodiment, through setting up two sets of baffles 1 at least along the length direction of elevator shaft 11, make elevator car 12 can be stopped in elevator shaft 11 in the high altitude, effectively prevent the casualties that cause when elevator car 12 drops to ground, the security performance is better.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides an elevator car anti-falling device, includes elevator shaft (11), elevator car (12) of sliding connection in elevator shaft (11) for control elevator car (12) adopts elevator controller, its characterized in that: two baffles (1) symmetrically fixed on the inner wall of the elevator shaft (11), an anti-falling assembly (2) fixed at the top of the elevator car (12) and an on-off switch used for detecting whether the elevator car (12) controller is electrified, wherein the anti-falling assembly (2) is electrically connected with the on-off switch.
2. The elevator car fall arrest device according to claim 1, wherein: the anti-falling assembly (2) comprises a back plate (21), a rotating plate (22), a first connecting plate (23), a second connecting plate (24), a round rod (25), a supporting fixed seat (26) and a motor (29), wherein the back plate (21) is fixed at the top of an elevator car (12), the motor (29) and the supporting fixed seat (26) are both fixed on the back plate (21), an output shaft of the motor (29) is in driving connection with the rotating plate (22), two ends of the rotating plate (22) are rotatably connected with the first connecting plate (23) through a first connecting shaft (271), one end of the first connecting plate (23) far away from the rotating plate (22) is rotatably connected with the second connecting plate (24) through a second connecting shaft (272), one end of the second connecting plate (24) far away from the first connecting plate (23) is fixedly connected with the end of the round rod (25), the supporting fixed seat (26) is provided with a through hole just facing the round rod (25), the motor (29) is in a telescopic state when the round rod (25) stretches out and stretches out along the through hole, the bottommost end of the round bar (25) is abutted against the upper surface of the baffle plate (1).
3. The elevator car fall arrest device according to claim 2, wherein: the two connecting plates (23) are respectively arranged at two ends of the rotating plate (22).
4. The elevator car fall arrest device according to claim 2, wherein: the second connecting plate (24) is provided with an abutting ring (281), the back plate (21) is further provided with a limit switch (282), when the round rod (25) is in a complete extending state, the abutting ring (281) abuts against the triggering end of the limit switch (282), and the limit switch (282) is electrically connected with the motor (29).
5. The elevator car fall arrest device according to claim 2, wherein: also included is a reserve power supply secured to the back plate (21) for powering the motor (29).
6. The elevator car fall arrest device according to claim 2, wherein: the support fixing seat (26) is at least provided with two, and at least two through holes are coaxially arranged.
7. The elevator car fall arrest device according to claim 1, wherein: along the length direction of the elevator shaft (11), the baffle plates (1) are at least provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209380.4U CN219448931U (en) | 2023-02-14 | 2023-02-14 | Elevator car anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209380.4U CN219448931U (en) | 2023-02-14 | 2023-02-14 | Elevator car anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219448931U true CN219448931U (en) | 2023-08-01 |
Family
ID=87413842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320209380.4U Active CN219448931U (en) | 2023-02-14 | 2023-02-14 | Elevator car anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219448931U (en) |
-
2023
- 2023-02-14 CN CN202320209380.4U patent/CN219448931U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240418 Address after: No. 144, Mahai Village, Chaihudian Town, Ningjin County, Dezhou City, Shandong Province, 253000 Patentee after: Xie Chunxia Country or region after: China Address before: 310000 1-211-1, No. 501, No. 2 street, Baiyang street, Qiantang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou geluoli Elevator Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 253000 Economic and Technological Development Zone, Ningjin County, Dezhou City, Shandong Province (Mount Taishan Road) Patentee after: SHANDONG BOLT ELEVATOR Co.,Ltd. Country or region after: China Address before: No. 144, Mahai Village, Chaihudian Town, Ningjin County, Dezhou City, Shandong Province, 253000 Patentee before: Xie Chunxia Country or region before: China |