CN110861992B

CN110861992B - Elevator falling protection device

Info

Publication number: CN110861992B
Application number: CN201810990051.1A
Authority: CN
Inventors: 胡本强
Original assignee: Liaoning Eyneta Elevator Co ltd
Current assignee: LIAONING EYNETA ELEVATOR Co.,Ltd.
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2021-07-23
Anticipated expiration: 2038-08-28
Also published as: CN110861992A

Abstract

The invention discloses an elevator falling protection device which comprises a storage battery, a sliding rail, a generator, a car and pulleys, wherein the sliding rail is arranged on the outer side of the car, and fixing rods are welded at the upper end and the lower end of the outer side wall of the car, which correspond to the two sides of the car. According to the invention, the first gear meshed with the second gear is fixed at one end of the first rotating shaft, the first brake pad and the second brake pad matched with the pulley and the second rotating shaft are respectively fixed at the output end of the electric telescopic rod, and the second gear is connected with the input end of the generator through the belt pulley mechanism, so that the generator can be driven to generate electricity by using the rotation of the second rotating shaft, the first brake pad and the second brake pad can be used for braking at the same time, the braking area is increased, the braking effect is improved, electricity is generated in the process of car movement, an independent power supply is used for supplying power in the falling process, the protection stability is improved, and the falling protection effect is improved.

Description

Elevator falling protection device

Technical Field

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

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, a car of the elevator runs on at least two rows of rigid rails which are vertical to the horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, the elevator is also of a step type, step plates are arranged on a track to run continuously, the elevator is commonly called an escalator or a moving sidewalk, and a fixed type lifting device serves the specified floors.

At present, current elevator protection device that falls simple structure, the function singleness is being not convenient for brake the car at the in-process that falls the protection to the elevator, causes the influence to the use of device easily after taking place to cut off the power supply, and the protecting effect is relatively poor.

Disclosure of Invention

The invention aims to provide an elevator falling protection device, and solves the problems that the existing elevator falling protection device in the background technology is simple in structure and single in function, a lift car is not convenient to brake in the process of elevator falling protection, the use of the device is easily affected after power failure occurs, and the protection effect is poor.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an elevator protection device that falls, includes battery, slide rail, generator, car and pulley, the outside of car is equipped with the slide rail, the dead lever has all been welded to the upper and lower end of the corresponding both sides of car lateral wall, the inboard that car one end was kept away from to the dead lever all installs the pulley with slide rail matched with through the bearing, the top of car is equipped with fixed frame, the internally mounted of fixed frame has the battery, and the battery gives with the electrical apparatus power supply, the exhaust fan is installed at the car top of fixed frame one side, the controller is installed at the car top of fixed frame opposite side, the exhaust fan passes through the wire and is connected with the controller electricity, the inside mounting groove that all is equipped with of dead lever of pulley one side, the dead lever inside of mounting groove position department all is fixed with electric telescopic handle, electric telescopic handle passes through the wire and is connected with the controller electricity, electric telescopic handle's output extends to the dead lever outside and is fixed with pulley matched with first brake block One end of the pulley extends to the outside of the fixed rod and is provided with a first rotating shaft, one end of the first rotating shaft, which is far away from the fixed rod, is fixed with a first gear, the outer side wall of the fixed rod at one side of the first rotating shaft is provided with a second rotating shaft through a bearing, the outer side wall of the second rotating shaft is fixed with a second gear meshed with the first gear, the outer side wall of the fixed rod at the position of the mounting groove is provided with a movable groove, one side of the outer side wall of the output end of the electric telescopic rod is welded with a connecting rod, one end of the connecting rod, which is far away from the electric telescopic rod, penetrates through the movable groove and extends to the outside of the fixed rod, one end of the connecting rod, which is far away from the electric telescopic rod, is fixed with a second brake pad matched with the second rotating shaft, the outer side wall of the car at one side of the fixed rod is fixed with a generator, and the second rotating shaft at the outside of the second gear is connected with a rotating rod of the generator through a belt pulley mechanism, the generator passes through the wire and is connected with the battery electricity, all install current sensor on the car lateral wall of generator one side, the generator passes through the wire and is connected with current sensor electricity, current sensor's output passes through the input electric connection of wire and controller.

Preferably, emergency lighting lamp is all installed to the both sides on the inside top of car, and emergency lighting lamp passes through the wire and is connected with the controller electricity.

Preferably, the dust screens are installed on the tops of the cages at the positions of the two ends of the exhaust fan.

Preferably, the generator is a permanent magnet generator.

Compared with the prior art, the invention has the beneficial effects that: the elevator falling protection device is characterized in that an emergency illuminating lamp is arranged at the top end inside a car, an exhaust fan is arranged at the top of the car, dust screens are arranged on the cars at two ends of the exhaust fan, so that the emergency illuminating lamp can be conveniently used for illuminating in the emergency falling process, the exhaust fan can be conveniently used for increasing the air circulation inside the car, the protection of passengers is improved, a current sensor is arranged on the outer side wall of the car, the current generated by a driving generator can be detected in the rotation process of a pulley, the elevator falling protection device is stable in performance, high in sensitivity and good in protection effect, a first gear meshed with a second gear is fixed at one end of a first rotating shaft, a first brake pad and a second brake pad matched with the pulley and a second rotating shaft are respectively fixed at the output end of an electric telescopic rod, and the second gear is connected with the input end of the generator through a belt pulley mechanism, not only can utilize the second pivot to rotate and drive the generator and generate electricity, not only can utilize first brake block and second brake block to brake simultaneously, increase the braking area, promote the effect of braking, generate electricity at the in-process of car motion, use solitary power to supply power at the in-process that takes place to fall, the stability of protection promotes, promotes the effect of fall protection.

Drawings

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

FIG. 2 is an enlarged schematic view of the portion A of the present invention;

fig. 3 is a schematic top view of the portion a of the present invention.

In the figure: 1. a storage battery; 2. a fixing frame; 3. a dust screen; 4. an exhaust fan; 5. an emergency lighting lamp; 6. a slide rail; 7. fixing the rod; 8. a generator; 9. a belt pulley mechanism; 10. a rotating rod; 11. a car; 12. a controller; 13. a pulley; 14. a second gear; 15. a movable groove; 16. a first gear; 17. a second rotating shaft; 18. a first brake pad; 19. mounting grooves; 20. an electric telescopic rod; 21. a connecting rod; 22. a second brake pad; 23. a first rotating shaft; 24. and a current sensor.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: an elevator falling protection device comprises a storage battery 1, a sliding rail 6, a generator 8, a car 11 and pulleys 13, wherein the sliding rail 6 is arranged on the outer side of the car 11, fixing rods 7 are welded at the upper end and the lower end of the two corresponding sides of the outer side wall of the car 11, the pulleys 13 matched with the sliding rail 6 are installed on the inner sides of the fixing rods 7 far away from one end of the car 11 through bearings, a fixing frame 2 is arranged at the top of the car 11, the storage battery 1 is installed inside the fixing frame 2, the storage battery 11 supplies power to electric appliances, an exhaust fan 4 is installed at the top of the car 11 on one side of the fixing frame 2, dust screens 3 are installed at the tops of the cars 11 at the two ends of the exhaust fan 4, a controller 12 is installed at the top of the car 11 on the other side of the fixing frame 2, the exhaust fan 4 is electrically connected with the controller 12 through a wire, emergency lamps 5 are installed on the two sides of the top end inside the car 11, and the emergency lamps 5 are electrically connected with the controller 12 through wires, the fixing rod 7 at one side of the pulley 13 is internally provided with a mounting groove 19, the fixing rod 7 at the position of the mounting groove 19 is internally provided with an electric telescopic rod 20, the model of the electric telescopic rod can be XTL150, the electric telescopic rod 20 is electrically connected with the controller 12 through a lead, the output end of the electric telescopic rod 20 extends to the outer side of the fixing rod 7 and is fixedly provided with a first brake pad 18 matched with the pulley 13, one end of the pulley 13 extends to the outer side of the fixing rod 7 and is provided with a first rotating shaft 23, one end of the first rotating shaft 23 far away from the fixing rod 7 is fixedly provided with a first gear 16, the outer side wall of the fixing rod 7 at one side of the first rotating shaft 23 is provided with a second rotating shaft 17 through a bearing, the outer side wall of the second rotating shaft 17 is fixedly provided with a second gear 14 engaged with the first gear 16, the outer side wall of the fixing rod 7 at the position of the mounting groove 19 is provided with a movable groove 15, one side of the outer side wall of the output end of the electric telescopic rod 20 is welded with a connecting rod 21, one end of the connecting rod 21 far away from the electric telescopic rod 20 penetrates through the movable groove 15 and extends to the outer side of the fixed rod 7, and one end of the connecting rod 21 far away from the electric telescopic rod 20 is fixed with a second brake block 22 matched with the second rotating shaft 17, the outer side walls of the cars 11 on one side of the fixed rod 7 are all fixed with generators 8, the generators 8 are permanent magnet generators, the type of the generator 8 can be NE-500, a second rotating shaft 17 at the outer side of a second gear 14 is connected with a rotating rod 10 of the generator 8 through a belt pulley mechanism 9, the generator 8 is electrically connected with the storage battery 1 through a lead, the outer side walls of the car 11 at one side of the generator 8 are all provided with a current sensor 24, the type of the current sensor 24 can be AHBC-LF, the generator 8 is electrically connected with the current sensor 24 through a conducting wire, and the output end of the current sensor 24 is electrically connected with the input end of the controller 12 through a conducting wire.

The working principle is as follows: in the using process of the elevator, the elevator lifts to drive the pulley 13 to move on the sliding rail 6, under normal conditions, the elevator car slowly lifts to drive the first gear 16 to rotate, the first gear 16 drives the second gear 14 to rotate, so that the rotating rod 10 on the generator 8 is driven to rotate under the action of the belt pulley mechanism 9, an electrified coil inside the generator 8 cuts a magnetic induction line to generate current, the current supplies power to the storage battery 1, the generated current is monitored by the current sensor 24 in real time, a signal is transmitted to the controller 12, when the elevator car falls, the rotating speed of the pulley 13 is increased, so that the rotating speed of a rotor inside the motor is increased, the generated current is increased, the controller 12 controls the electric telescopic rod 20 to extend, the first brake block 18 and the second brake block 22 brake the pulley 13 and the second rotating shaft 17 at the same time, so as to brake the elevator car 11 to prevent falling, and the emergency lighting lamp 5 and the exhaust fan 4 are electrified to work while braking, so that the living environment inside the car 11 is maintained.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an elevator protection device that falls, includes battery (1), slide rail (6), generator (8), car (11) and pulley (13), its characterized in that: the outside of car (11) is equipped with slide rail (6), dead lever (7) have all been welded to the last lower extreme of the corresponding both sides of car (11) lateral wall, the inboard of keeping away from car (11) one end of dead lever (7) all installs pulley (13) with slide rail (6) matched with through the bearing, the top of car (11) is equipped with fixed frame (2), the internally mounted of fixed frame (2) has battery (1), and battery (1) is for supplying power with electrical apparatus, exhaust fan (4) are installed at car (11) top of fixed frame (2) one side, controller (12) are installed at car (11) top of fixed frame (2) opposite side, exhaust fan (4) are connected with controller (12) electricity through the wire, inside mounting groove (19) all are equipped with in dead lever (7) of pulley (13) one side, inside dead lever (7) of mounting groove (19) position department all is fixed with electric telescopic handle (20), the electric telescopic rod (20) is electrically connected with the controller (12) through a wire, the output end of the electric telescopic rod (20) extends to the outer side of the fixed rod (7) and is fixed with a first brake pad (18) matched with the pulley (13), one end of the pulley (13) extends to the outer side of the fixed rod (7) and is provided with a first rotating shaft (23), one end of the first rotating shaft (23), which is far away from the fixed rod (7), is fixed with a first gear (16), the outer side wall of the fixed rod (7) at one side of the first rotating shaft (23) is provided with a second rotating shaft (17) through a bearing, the outer side wall of the second rotating shaft (17) is fixed with a second gear (14) meshed with the first gear (16), the outer side wall of the fixed rod (7) at the position of the mounting groove (19) is provided with a movable groove (15), and one side of the outer side wall of the output end of the electric telescopic rod (20) is welded with a connecting rod (21), one end of the connecting rod (21) far away from the electric telescopic rod (20) penetrates through the movable groove (15) and extends to the outer side of the fixed rod (7), and one end of the connecting rod (21) far away from the electric telescopic rod (20) is fixed with a second brake block (22) matched with the second rotating shaft (17), the outer side wall of the car (11) at one side of the fixed rod (7) is fixed with a generator (8), a second rotating shaft (17) at the outer side of the second gear (14) is connected with a rotating rod (10) of the generator (8) through a belt pulley mechanism (9), the generator (8) is electrically connected with the storage battery (1) through a lead, the outer side wall of the car (11) at one side of the generator (8) is provided with a current sensor (24), the generator (8) is electrically connected with the current sensor (24) through a lead, the output end of the current sensor (24) is electrically connected with the input end of the controller (12) through a lead.

2. An elevator fall protection arrangement according to claim 1, characterized in that: emergency lighting lamp (5) are all installed to the both sides on car (11) inside top, and emergency lighting lamp (5) are connected through wire and controller (12) electricity.

3. An elevator fall protection arrangement according to claim 1, characterized in that: dust screens (3) are all installed at car (11) top of exhaust fan (4) both ends position department.

4. An elevator fall protection arrangement according to claim 1, characterized in that: the generator (8) is a permanent magnet generator.