CN112919279A

CN112919279A - Elevator accident protection device

Info

Publication number: CN112919279A
Application number: CN202110354973.5A
Authority: CN
Inventors: 赵志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-06-08

Abstract

An elevator accident protection device comprises an elevator, a detection mechanism, a speed reduction mechanism and a buffering and damping mechanism, wherein a safety lock and a clamping column are arranged on the elevator, the safety lock realizes the effect that a movable bolt in the safety lock can clamp the elevator door when the elevator falls rapidly, so that the elevator door cannot be opened, and the clamping column and a clamping block are matched for use; the detection mechanism is arranged on the side surface of the elevator, and the detection mechanism realizes the effect of automatically opening the protection device when the elevator falls abnormally and rapidly; the speed reducing mechanism is arranged on the side surface of the elevator, and the speed reducing mechanism achieves the effect of reducing the falling speed of the elevator when the elevator falls abnormally and rapidly; buffering damper installs in the elevator below, and buffering damper has realized the impulsive force when slowing down the elevator whereabouts to make the elevator can not bounce repeatedly.

Description

Elevator accident protection device

Technical Field

The invention relates to the technical field of elevator safety, in particular to an elevator accident protection device.

Background

Along with the continuous increase of floor, the use of elevator also becomes more and more common, and the incident takes place occasionally in the use of elevator, and the safety device of elevator mainly has safety protection devices such as hauler stopper, overspeed governor, safety tongs, rope gripper at present. However, despite the installation of numerous safety protection devices, the elevator still has serious accidents of shearing, death and vicious accidents caused by the fact that the elevator is cut and the personal safety of people is seriously threatened due to the fact that any single part of a driving main machine or a driving control system which depends on the elevator car fails and traction conditions are damaged to cause the steel wire rope to slide on a traction sheave to cause the elevator car to move away from a landing accidentally. Therefore, it is necessary to develop a safe and reliable device for detecting the accidental movement of the elevator and performing the safety protection action.

Disclosure of Invention

Aiming at the problems, the invention provides an elevator accident protection device, which rubs a rubber wheel by the rapid falling of an elevator, so that the rubber wheel rotates rapidly, a gear A rotates, a gear B rotates, a conductive disc A rotates, an insulating wheel rotates, four conductive balls in the insulating wheel disperse to the periphery under the action of centrifugal force, when the conductive balls touch a conductive column in the dispersion process, the current of an electric wire is transmitted to another conductive disc B through the conductive balls, at the moment, the electric wire is in a connection state, a controller starts to work, and the automatic detection of whether the elevator falls accidentally is completed.

The technical scheme adopted by the invention is as follows: an elevator accident protection device comprises an elevator, a detection mechanism, a speed reduction mechanism and a buffering and damping mechanism, wherein a safety lock and a clamping column are arranged on the elevator, the safety lock realizes the effect that a movable bolt in the safety lock can clamp the elevator door when the elevator falls rapidly, so that the elevator door cannot be opened, and the clamping column and a clamping block are matched for use; the detection mechanism is arranged on the side surface of the elevator, and the detection mechanism realizes the effect of automatically opening the protection device when the elevator falls abnormally and rapidly; the speed reducing mechanism is arranged on the side surface of the elevator, and the speed reducing mechanism achieves the effect of reducing the falling speed of the elevator when the elevator falls abnormally and rapidly; buffering damper installs in the elevator below, and buffering damper has realized the impulsive force when slowing down the elevator whereabouts to make the elevator can not bounce repeatedly.

Preferably, the detection mechanism comprises a rubber wheel, a gear A, an insulating support, a gear B, a conductive disc A, an electric wire, a controller, a rubber wheel and a groove on the side surface of the elevator, wherein the rubber wheel is rotatably arranged on the insulating support; the gear A and the rubber wheel are fixedly installed; the gear B is meshed with the insulating bracket; the conductive disc A and the gear B are fixedly installed; the wire is fixedly connected with the conductive disc A; the controller is installed in a side of insulating support, controller and electric wire fixed connection.

Preferably, the detection mechanism is further provided with a centrifugal force detection device, which comprises an insulating wheel, a conductive disc B, a conductive column, a conductive ball, a spring A, a cylinder A, and a fixed installation of the insulating wheel and the conductive disc A; a conductive disc B is arranged in the insulating wheel and fixedly connected with the conductive disc A; the conductive column and the conductive disc B are slidably mounted, and the spherical part of the conductive column is slidably mounted in the column A; the conductive ball is slidably arranged in the cylinder A; a spring A is arranged inside the cylinder A.

Preferably, the speed reducing mechanism comprises a motor, a gear C, a friction wheel and a rack, and a plurality of motors are arranged on two sides of the elevator; the gear C and the shaft of the motor are fixedly arranged; the shaft of the friction wheel and the shaft of the motor are fixedly arranged; the rack is meshed with the gear C;

preferably, the speed reducing mechanism is further provided with a spreading mechanism which comprises a connecting rod, a bracket A, a long plate, a round sleeve, a connecting strip, a long block A, a sliding block, a round shaft, a connecting rod and a rack which are fixedly arranged, and the connecting rod and the bracket A are rotatably arranged; the bracket A is fixedly arranged on the side surface of the elevator; the long plate and the connecting rod are rotatably installed, the upper end face of the round sleeve and the bottom end face of the long plate are fixedly installed, and the round sleeve and the round shaft are installed in a sliding mode; one end of the connecting strip is rotationally connected with the round sleeve, and the other end of the connecting strip is rotationally connected with the long block A; the long block A and the sliding block are installed in a sliding mode; a round shaft is arranged in the sliding block.

Preferably, the buffering and damping mechanism is provided with a supporting locking mechanism which comprises a rectangular disc, a telescopic rod A, a spring B, a cylinder B, a long block B and a bracket B, wherein one end of the telescopic rod A is rotatably installed with the rectangular disc, and the other end of the telescopic rod A is fixedly installed with the cylinder B; a spring B is arranged on the telescopic rod A; the long block B is fixedly connected with the cylinder B; the cylinder B and the bracket B are rotatably arranged, and the bracket B is fixedly connected with the bottom plate;

preferably, the buffering and damping mechanism comprises a telescopic rod B, a spring C, a bottom plate and a clamping block, the telescopic rod B is arranged between the bottom plate and the rectangular disc, and the spring C is arranged on the telescopic rod B; the bottom plate is arranged at the lowest part of the elevator shaft, a clamping block is arranged in the bottom plate, and the clamping block can clamp a groove on the clamping column, so that the elevator cannot bounce repeatedly when falling down.

The invention has the beneficial effects that:

1. through elevator friction rubber wheel to the insulating pulley rotates, and four electrically conductive balls in the insulating pulley can scatter to all around under the effect of centrifugal force, when electrically conductive ball touch when leading electrical pillar at the scattering in-process, the electric current of electric wire can transmit on another electrically conductive dish B through electrically conductive ball, and the electric wire is in the on-state this moment, and the controller begins working, has realized detecting whether unexpected effect takes place for the elevator.

2. Rotate through the motor and drive the friction pulley and rotate, thereby the side of friction pulley friction elevator realizes slowing down the effect of elevator whereabouts speed, thereby pops out the groove wall that blocks the elevator side through pushing down circle cover rectangular block A, further strengthens the speed that slows down the elevator whereabouts, has improved the security.

3. The impact force when the elevator falls can be reduced to the minimum through the setting of rectangular dish below telescopic link B and telescopic link A, and the setting of fixture block can block the recess on the card post, can not bounce repeatedly when making the elevator fall, has greatly protected the inside personnel's of elevator safety, and the injury that will receive reduces to the minimum.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 and 3 are schematic structural views of the detection mechanism of the present invention.

Fig. 4 is an enlarged structural diagram of a in fig. 3 according to the present invention.

Fig. 5 is a schematic structural view of the speed reducing mechanism of the present invention.

Fig. 6 is a schematic structural view of the shock absorber of the present invention. .

Reference numerals: 1-an elevator; 2-a detection mechanism; 3-a speed reducing mechanism; 4-a buffer damping mechanism; 101-a security lock; 102-a cartridge; 201-rubber wheel; 202-gear a; 203-an insulating support; 204-gear B; 205-conductive pad a; 206-insulating wheels; 207-electrical wires; 208-a controller; 209-conducting disc B; 210-a conductive post; 211-conductive balls; 212-spring a; 213-column A; 301-a motor; 302-gear C; 303-a friction wheel; 304-a rack; 305-a connecting rod; 306-scaffold a; 307-long plate; 308-round sleeve; 309-connecting bar; 310-long block a; 311-a slider; 312-round shaft; 401-rectangular disc; 402-telescoping rod A; 403-spring B; 404-column B; 405-Long Block B; 406-support B; 407-telescopic rod B; 408-spring C; 409-a bottom plate; 410-cartridge.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6

An elevator accident protection device is characterized by comprising an elevator 1, a detection mechanism 2, a speed reduction mechanism 3 and a buffering and damping mechanism 4, wherein the elevator 1 is provided with a safety lock 101 and a clamping column 102, the safety lock 101 achieves the effect that a movable bolt in the safety lock 101 can clamp the door of the elevator 1 when the elevator 1 falls rapidly, so that the door of the elevator 1 cannot be opened, and the clamping column 102 and a clamping block 410 are matched for use; the detection mechanism 2 is arranged on the side surface of the elevator 1, and the detection mechanism 2 realizes the effect of automatically opening the protection device when the elevator 1 falls down abnormally and rapidly; the speed reducing mechanism 3 is arranged on the side surface of the elevator 1, and the speed reducing mechanism 3 achieves the effect of reducing the falling speed of the elevator 1 when the elevator 1 falls abnormally and rapidly; the buffering and damping mechanism 4 is installed below the elevator 1, and the buffering and damping mechanism 4 realizes the effect of reducing the impact force when the elevator 1 falls down and prevents the elevator 1 from bouncing repeatedly.

In an optional implementation manner of the embodiment of the invention, except for the same parts as those in the previous embodiment, the detection mechanism 2 comprises a rubber wheel 201, a gear A202, an insulating bracket 203, a gear B204, a conductive disc A205, an electric wire 207, a controller 208, the rubber wheel 201 and a groove on the side surface of the elevator 1, wherein the rubber wheel 201 is rotatably installed on the insulating bracket 203; the gear A202 and the rubber wheel 201 are fixedly installed; the gear B204 is meshed with the insulating bracket 203; the conducting disc A205 and the gear B204 are fixedly installed; the wire 207 is fixedly connected with the conductive disc A205; the controller 208 is installed on one side of the insulating bracket 203, and the controller 208 is fixedly connected with the electric wire 207.

In an optional implementation manner of the embodiment of the present invention, besides the same components as those in the previous embodiment, the detection mechanism 2 is further provided with a centrifugal force detection device, which includes an insulating wheel 206, a conductive disc B209, a conductive column 210, a conductive ball 211, a spring a212, a cylinder a213, and fixedly mounted on the insulating wheel 206 and the conductive disc a 205; a conductive disc B209 is arranged in the insulating wheel 206, and the conductive disc B209 is fixedly connected with the conductive disc A205; the conductive column 210 and the conductive disc B209 are slidably mounted, and the spherical part of the conductive column 210 is slidably mounted in the cylinder A213; the conductive ball 211 is slidably mounted in the cylinder a 213; inside the cylinder a213 is provided a spring a 212.

In an optional implementation manner of the embodiment of the invention, except for the same components as those in the previous embodiment, the speed reducing mechanism 3 comprises a motor 301, a gear C302, a friction wheel 303 and a rack 304, and a plurality of motors 301 are arranged on two sides of the elevator 1; the gear C302 and the shaft of the motor 301 are fixedly arranged; the shaft of the friction wheel 303 and the shaft of the motor 301 are fixedly arranged; the rack 304 is meshed with the gear C302;

in an alternative embodiment of this embodiment of the invention, in addition to the same components as in the previous embodiment,

the speed reducing mechanism 3 is also provided with a spreading mechanism which comprises a connecting rod 305, a bracket A306, a long plate 307, a round sleeve 308, a connecting strip 309, a long block A310, a sliding block 311, a round shaft 312, the connecting rod 305 and a rack 304 which are fixedly arranged, and the connecting rod 305 and the bracket A306 are rotatably arranged; the bracket A306 is fixedly arranged on the side surface of the elevator 1; the long plate 307 and the connecting rod 305 are rotatably installed, the upper end surface of the round sleeve 308 and the bottom end surface of the long plate 307 are fixedly installed, and the round sleeve 308 and the round shaft 312 are slidably installed; one end of the connecting bar 309 is rotationally connected with the round sleeve 308, and the other end is rotationally connected with the long block A310; the long block A310 and the sliding block 311 are installed in a sliding mode; a circular shaft 312 is provided in the slider 311.

the buffer damping mechanism 4 is provided with a support locking mechanism which comprises a rectangular disc 401, a telescopic rod A402, a spring B403, a cylinder B404, a long block B405 and a support B406, wherein one end of the telescopic rod A402 is rotatably installed with the rectangular disc 401, and the other end of the telescopic rod A402 is fixedly installed with the cylinder B404; a spring B403 is arranged on the telescopic rod A402; the long block B405 is fixedly connected with the cylinder B404; the cylinder B404 and the bracket B406 are rotatably arranged, and the bracket B406 is fixedly connected with the bottom plate 409;

in an optional implementation manner of the embodiment of the present invention, except for the same components as those in the previous embodiment, the buffering and damping mechanism 4 includes a telescopic rod B407, a spring C408, a bottom plate 409, and a fixture block 410, the telescopic rod B407 is disposed between the bottom plate 409 and the rectangular plate 401, and the spring C408 is disposed on the telescopic rod B407; the bottom plate 409 is arranged at the lowest part of the elevator 1 well, a fixture block 410 is arranged in the bottom plate 409, and the fixture block 410 can clamp a groove on the fixture column 102, so that the elevator 1 cannot bounce repeatedly when falling down.

The working principle is as follows:

the apparatus is in a closed state when the elevator 1 is operating normally.

When the elevator 1 is abnormally operated and falls rapidly, because the movable bolt in the safety lock 101 can clamp the door of the elevator 1 when the elevator 1 falls rapidly due to the setting of the safety lock 101, the door of the elevator 1 cannot be opened, the situation that the door of the elevator 1 is opened accidentally when falling is prevented, the elevator 1 rubs the rubber wheel 201, the rubber wheel 201 rotates rapidly, the gear A202 rotates, the gear B204 rotates, the conductive disc A205 rotates, the insulating wheel 206 rotates, the four conductive balls 211 in the insulating wheel 206 disperse around under the action of centrifugal force, when the conductive balls 211 touch the conductive columns 210 in the scattering process, the current of the electric wire 207 is transmitted to the other conductive disc B209 through the conductive balls 211, at the moment, the electric wire 207 is in a connection state, the controller 208 starts to work, and the motor 301 is controlled to work; when the motor 301 rotates, the friction wheel 303 rubs the side surface of the elevator 1 to achieve the effect of reducing the falling speed of the elevator 1, when the motor 301 rotates, the rack 304 moves, so that the connecting rod 305 moves, because of the setting of the bracket A306, the long plate 307 moves in the opposite direction, the round sleeve 308 is pressed downwards, so that the long block A310 pops out of the groove wall clamping the side surface of the elevator 1, and the falling speed of the elevator 1 is further reduced; when the elevator 1 falls onto the rectangular disc 401, because the impulsive force when the elevator 1 falls is reduced to the minimum by setting the telescopic rod B407 and the telescopic rod A402 below the rectangular disc 401, when the rectangular disc 401 moves downwards, the telescopic rod A402 moves downwards, the column B404 tilts therewith, the falling elevator 1 is embraced to the tilt of the long block B405, the impulsive force when the elevator 1 falls is further reduced, the groove on the clamping column 102 can be clamped by setting the clamping block 410, the elevator 1 cannot bounce repeatedly when falling, the safety of personnel in the elevator 1 is greatly protected, the injury to be received is reduced to the minimum, and then the people in the elevator 1 open the switch door of the elevator 1 to go out of the elevator 1.

Claims

1. An elevator accident protection device comprises an elevator (1), a detection mechanism (2), a speed reduction mechanism (3) and a buffering and damping mechanism (4), wherein a safety lock (101) and a clamping column (102) are arranged on the elevator (1), the safety lock (101) achieves the effect that a movable bolt in the safety lock (101) can clamp a door of the elevator (1) when the elevator (1) falls rapidly, so that the door of the elevator (1) cannot be opened, and the clamping column (102) and the clamping block (410) are matched for use; the detection mechanism (2) is arranged on the side surface of the elevator (1), and the detection mechanism (2) realizes the effect of automatically opening the protection device when the elevator (1) falls down abnormally and rapidly; the speed reducing mechanism (3) is arranged on the side surface of the elevator (1), and the speed reducing mechanism (3) achieves the effect of reducing the falling speed of the elevator (1) when the elevator (1) falls abnormally and rapidly; the buffering and damping mechanism (4) is arranged below the elevator (1), and the buffering and damping mechanism (4) realizes the purpose of relieving the impact force when the elevator (1) falls down and prevents the elevator (1) from bouncing repeatedly.

2. An elevator accident prevention device according to claim 1, wherein the detection mechanism (2) comprises a rubber wheel (201), a gear A (202), an insulating bracket (203), a gear B (204), a conductive disc A (205), an electric wire (207), a controller (208), a groove on the side surface of the elevator (1) is matched with the rubber wheel (201), and the rubber wheel (201) is rotatably installed on the insulating bracket (203); the gear A (202) and the rubber wheel (201) are fixedly installed; the gear B (204) is meshed with the insulating bracket (203); the conductive disc A (205) and the gear B (204) are fixedly arranged; the electric wire (207) is fixedly connected with the conductive disc A (205); the controller (208) is arranged on one side surface of the insulating bracket (203), and the controller (208) is fixedly connected with the electric wire (207).

3. The elevator accident prevention device according to claim 1, wherein the detection mechanism (2) is further provided with a centrifugal force detection device, which comprises an insulating wheel (206), a conductive disc B (209), a conductive column (210), a conductive ball (211), a spring A (212), a cylinder A (213), and the insulating wheel (206) and the conductive disc A (205) which are fixedly installed; a conductive disc B (209) is arranged in the insulating wheel (206), and the conductive disc B (209) is fixedly connected with the conductive disc A (205); the conductive column (210) and the conductive disc B (209) are slidably mounted, and the spherical part of the conductive column (210) is slidably mounted in the cylinder A (213); the conductive ball (211) is slidably arranged in the cylinder A (213); a spring A (212) is provided inside the cylinder A (213).

4. An elevator accident prevention apparatus according to claim 1, wherein the deceleration mechanism (3) comprises a motor (301), a gear C (302), a friction wheel (303), and a rack (304), and a plurality of motors (301) are provided on both sides of the elevator (1); the gear C (302) and the shaft of the motor (301) are fixedly arranged; the shaft of the friction wheel (303) and the shaft of the motor (301) are fixedly installed; the rack (304) is engaged with the gear C (302).

5. The elevator accident prevention device according to claim 1, wherein the deceleration mechanism (3) is further provided with a spreading mechanism, and the spreading mechanism comprises a connecting rod (305), a bracket A (306), a long plate (307), a round sleeve (308), a connecting strip (309), a long block A (310), a sliding block (311), a round shaft (312), the connecting rod (305) and a rack (304) are fixedly installed, and the connecting rod (305) and the bracket A (306) are rotatably installed; the bracket A (306) is fixedly arranged on the side surface of the elevator (1); the long plate (307) and the connecting rod (305) are rotatably installed, the upper end surface of the round sleeve (308) and the bottom end surface of the long plate (307) are fixedly installed, and the round sleeve (308) and the round shaft (312) are installed in a sliding mode; one end of the connecting bar (309) is rotationally connected with the round sleeve (308), and the other end is rotationally connected with the long block A (310); the long block A (310) and the sliding block (311) are installed in a sliding mode; a circular shaft (312) is provided in the slider (311).

6. The elevator accident prevention device according to claim 1, wherein the buffering and damping mechanism (4) is provided with a supporting and locking mechanism comprising a rectangular disc (401), a telescopic rod A (402), a spring B (403), a cylinder B (404), a long block B (405), a bracket B (406), one end of the telescopic rod A (402) is rotatably installed with the rectangular disc (401), and the other end of the telescopic rod A is fixedly installed with the cylinder B (404); a spring B (403) is arranged on the telescopic rod A (402); the long block B (405) is fixedly connected with the cylinder B (404); the column B (404) and the bracket B (406) are rotatably arranged, and the bracket B (406) is fixedly connected with the bottom plate (409).

7. The elevator accident prevention device according to claim 1, wherein the buffer damping mechanism (4) comprises an expansion link B (407), a spring C (408), a bottom plate (409) and a clamping block (410), the expansion link B (407) is arranged between the bottom plate (409) and the rectangular disc (401), and the spring C (408) is arranged on the expansion link B (407); the bottom plate (409) is arranged at the lowest part of the elevator (1) well, a fixture block (410) is arranged in the bottom plate (409), and the fixture block (410) can clamp a groove on the fixture column (102), so that the elevator (1) cannot bounce repeatedly when falling down.