CN112645175A

CN112645175A - Anti-falling timely reaction mechanism for elevator

Info

Publication number: CN112645175A
Application number: CN201910962423.4A
Authority: CN
Inventors: 王越
Original assignee: Hubei Yunpan Electromechanical Equipment Co ltd
Current assignee: Hubei Yunpan Electromechanical Equipment Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-04-13

Abstract

The invention discloses a timely response mechanism for preventing an elevator from falling, which relates to a falling prevention mechanism and specifically comprises a bottom plate, wherein the other end of a traction steel rope is connected with the top surface of a lift car, a speed measurement sensor and a controller are arranged on the upper surface of the lift car, the input end of the controller is electrically connected with the speed measurement sensor, the output end of the controller is electrically connected with a hydraulic motor, when the lift car falls, the instantaneous speed is increased, the speed measurement sensor can identify the speed change of the lift car, the hydraulic motor is controlled to be started through the controller, a gear is driven to rotate, two strip bars are driven to horizontally move in opposite directions, the hydraulic motor is controlled to be started, an L-shaped clamping block is driven to instantaneously extrude a rectangular frame sliding rail I, the lift car and the rectangular; the elevator cage bottom is equipped with the spring, can play the cushioning effect when the accident takes place, and the response piece fast reaction of taking place the accident for the alarm lamp is bright, gives the elevator outsider and gives the signal and can in time react, reduces the loss.

Description

Anti-falling timely reaction mechanism for elevator

Technical Field

The invention relates to a fall-preventing mechanism, in particular to a timely response mechanism for preventing falling of an elevator.

Background

An elevator is a device which is commonly used in daily life and used for driving people or objects to get on and off, and an elevator speed limiter is one of safety control parts in an elevator safety protection system. When the elevator is in operation, no matter what reason causes the car to overspeed or even to fall, and all other safety protection devices do not work, the speed limiter and the safety tongs perform linkage action to stop the elevator car.

The existing elevator anti-falling mechanism is an elevator speed limiter, but the connection of an elevator car and a traction steel wire is used for a long time to break, the car suddenly drops, the speed limiter hardly plays a role, the anti-falling mechanism installed on the car is less, the safety of the anti-falling mechanism is poor, and once the loss caused by the accident situation cannot be predicted.

Disclosure of Invention

The invention aims to provide a timely response mechanism for preventing falling of an elevator, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a timely reaction mechanism for preventing falling of an elevator comprises a bottom plate, a top plate is arranged above the bottom plate, two rectangular frame slide rails arranged in parallel, namely a rectangular frame slide rail II arranged in parallel, are arranged between the top plate and the bottom plate, two ends of the rectangular frame slide rail II are respectively connected with the side faces adjacent to the top plate and the bottom plate, a car is arranged between the rectangular frame slide rails I, a balancing weight is arranged between the rectangular frame slide rails II, the balancing weight and the two side faces of the car are respectively connected with two mounting plates arranged in parallel, the outer side faces of the mounting plates are connected with sliding lugs, the rectangular frame slide rails I and the rectangular frame slide rails II are respectively connected with the adjacent sliding lugs in a sliding manner, hydraulic motors are arranged at the centers, the elevator car comprises a limiting block, a gear meshed with a gear, a long rod, a gear rack, a speed limiter, a winch, a speed sensor and a controller, wherein a dead slot is arranged inside the limiting block, one end of the long rod and one end of the gear rack penetrate through the dead slot and are connected with the dead slot in a sliding manner, the inside of the limiting block is connected with the long rod in a sliding manner, the non-adjacent end of the two long rods is connected with an L-shaped clamping block respectively, the adjacent side walls of the two long rods are connected with the gear rack respectively, the top plate is provided with the speed limiter and the winch which are arranged in parallel, the winch is provided with a traction steel rope, one end of the traction steel rope penetrates through the speed limiter, the top plate and a rectangular frame sliding rail II, one end of the traction steel rope is connected with a balancing weight, the other end of the traction, the hydraulic motor is controlled by a hydraulic system, the bottom of the lift car is provided with an induction block, the outside of the lift car is provided with an alarm lamp, and the bottom of the lift car is provided with a spring.

As a further scheme of the invention: the two side faces of the sliding lug are provided with strip grooves, and the strip grooves are rotatably connected with rollers through a plurality of pin shafts.

As a further scheme of the invention: the horizontal inner side surface of the L-shaped clamping block is provided with a first anti-skidding tooth, and the two side walls of the first rectangular frame sliding rail are provided with a second anti-skidding tooth.

Compared with the prior art, the invention has the beneficial effects that:

1. the hydraulic motor, the gear, the long rod, the rack and other structures can be mounted on the lift car, the falling speed of the lift car can be instantly identified through the speed measuring sensor, the speed increasing process is intelligently transmitted to the controller, so that the hydraulic motor is controlled to be started, the L-shaped clamping block is driven to instantly extrude the first rectangular frame sliding rail, the lift car and the first rectangular frame sliding rail can be instantly provided with a similar clamping mechanism, the safety is improved, and the spring at the bottom of the lift car can play a good role in buffering after an accident happens, so that the loss is reduced;

2. the response piece cooperation alarm lamp can make the reaction rapidly, implements the rescue, and rectangle frame slide rail one all is equipped with anti-skidding tooth with the adjacent lateral wall of L shape extrusion piece, improves the centre gripping fastness.

Drawings

Fig. 1 is a schematic structural view of a fall prevention mechanism for an elevator.

Fig. 2 is a schematic view of a part a of fig. 1.

In the figure, a bottom plate 1, a rectangular frame sliding rail I2, a rectangular frame sliding rail II 3, a balancing weight 4, a limiting block 5, a clamping block 6L-shaped, a traction steel rope 7, a top plate 8, a speed limiter 9, a winding engine 10, a speed measuring sensor 11, a controller 12, a car 13, a mounting plate 14, a sliding projection 15, a hydraulic motor 16, a gear 17, a long rod 18, a rack 19, an induction block 20, a warning lamp 21 and a spring 22 are arranged.

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.

3. Referring to fig. 1-2, in the embodiment of the invention, a timely reaction mechanism for preventing falling of an elevator comprises a bottom plate 1, a top plate 8 is arranged above the bottom plate 1, two rectangular frame slide rails 2 and two rectangular frame slide rails 3 are arranged between the top plate 8 and the bottom plate 1, two ends of each rectangular frame slide rail 2 are respectively connected with the adjacent side surfaces of the top plate 8 and the bottom plate 1, two ends of each rectangular frame slide rail 3 are respectively connected with the adjacent side surfaces of the top plate 8 and the bottom plate 1, a car 13 is arranged between the two rectangular frame slide rails 2, a balancing weight 4 is arranged between the two rectangular frame slide rails 3, two side surfaces of the balancing weight 4 and the car 13 are respectively connected with two parallel mounting plates 14, the outer side surfaces of the mounting plates 14 are connected with sliding lugs 15, the rectangular frame slide rails 2 and the rectangular frame slide rails 3 are respectively connected with the adjacent sliding, a hydraulic motor 16 is arranged at the center of two side faces of a car 13, the output end of the hydraulic motor 16 is connected with a gear 17, two side faces of the car 13 are respectively provided with two limiting blocks 5 which are arranged diagonally, the limiting blocks 5 are internally provided with empty grooves, one ends of a strip rod 18 and a rack 19 penetrate through the empty grooves and are in sliding connection with the empty grooves, the limiting blocks 5 can move more stably through the strip rods 18 and the racks 9, the long rod rods 18 are connected inside the limiting blocks 5 in a sliding manner, the ends, which are not adjacent, of the two strip rods 18 are respectively connected with an L-shaped clamping block 6, the side walls, which are adjacent to the two strip rods 18, are respectively connected with the racks 19 which are meshed with the gear 17, the top plate 8 is provided with a speed limiter 9 and a winch 10 which are arranged in parallel, the winch 10 is provided with a traction speed limiter steel rope 7, one end of, the other end of the traction steel rope 7 penetrates through the top plate 8 and the rectangular frame sliding rail I2, the other end of the traction steel rope 7 is connected with the top surface of a car 13, a speed measuring sensor 11 and a controller 12 are mounted on the upper surface of the car 13, the input end of the controller 12 is electrically connected with the speed measuring sensor 11, the output end of the controller 12 is electrically connected with a hydraulic motor 16, when the car 13 falls, the instantaneous speed is increased, the speed measuring sensor 11 can recognize the speed increase change, the hydraulic motor 16 is controlled to be started through the controller 12, so that a gear 17 is driven to rotate, two long rods 18 are driven to horizontally move in opposite directions, so that the L-shaped extrusion blocks 6 can extrude the rectangular frame sliding rail II 2, the L-shaped extrusion blocks 6 on the two side surfaces of the car 13 are locked on the rectangular frame sliding rail II 2, the car 13 is clamped to be stopped and fixed instantaneously, intelligent control is, the rectangular groove is connected with the gyro wheel through a plurality of round pin hub rotation for sliding lug 15 reduces with two 3 sliding friction power of rectangle frame slide rail 2 and rectangle frame slide rail, improves balancing weight 4 or car 13 and reciprocates fluency, and the spring 22 of car 13 bottom can play fine cushioning effect after the accident takes place, reduces the loss, and response piece 20 cooperation alarm lamp 21 can let the outer personnel of elevator make the reaction rapidly, implements the rescue.

The hydraulic system is arranged on two side surfaces of the lift car 13, the hydraulic motor 16 is controlled by the hydraulic system, the related circuit and control of the patent are the prior art, the brand of the hydraulic motor 16 is simple, the model is 315, the model of the controller 12 adopts an AT89C52 singlechip, the model of the distance measuring sensor 11 is an MPU6050 module,

the horizontal inner side surface of the L-shaped clamping block 6 is provided with a first anti-skidding tooth, and the two side walls of the first rectangular frame sliding rail 2 are provided with a second anti-skidding tooth, so that contact friction is increased, and clamping firmness is improved.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A timely reaction mechanism for preventing falling of an elevator comprises a bottom plate (1) and is characterized in that a top plate (8) is arranged above the bottom plate (1), two rectangular frame slide rails I (2) which are arranged in parallel and two rectangular frame slide rails II (3) which are arranged in parallel are arranged between the top plate (8) and the bottom plate (1), two ends of each rectangular frame slide rail I (2) are respectively connected with the adjacent side surfaces of the top plate (8) and the bottom plate (1), two ends of each rectangular frame slide rail II (3) are respectively connected with the adjacent side surfaces of the top plate (8) and the bottom plate (1), a lift car (13) is arranged between the two rectangular frame slide rails I (2), a balancing weight (4) is arranged between the two rectangular frame slide rails II (3), two mounting plates (14) which are arranged in parallel are respectively connected with two side surfaces of the balancing weight (4) and the lift car (13), rectangle frame slide rail one (2) and rectangle frame slide rail two (3) respectively with adjacent slip lug (15) sliding connection, car (13) both sides face central point puts and installs hydraulic motor (16), hydraulic motor (16) output is connected with gear (17), the both sides face of car (13) is equipped with stopper (5) that two diagonal angles set up respectively, the inside of stopper (5) is equipped with the dead slot, rectangular pole (18) and rack (19) one end run through the dead slot and with dead slot sliding connection. The inside sliding connection of stopper (5) has rectangular pole (18), the nonadjacent one end of two rectangular poles (18) is connected with L clamp piece (6) respectively, the rack (19) with gear (17) meshing is connected respectively to the lateral wall that two rectangular poles (18) are adjacent, install parallel arrangement's overspeed governor (9) and hoist engine (10) on roof (8), install on hoist engine (10) and pull steel cable (7), the one end of pulling steel cable (7) passes overspeed governor (9), roof (8) and rectangle frame slide rail two (3), the one end of pulling steel cable (7) is connected with balancing weight (4), the other end of pulling steel cable (7) runs through roof (8) and rectangle frame slide rail one (2), the other end of pulling steel cable (7) is connected with car (13) top surface, car (13) upper surface mounting has speed sensor (11) and controller (12), the input and the tacho sensor (11) electricity of controller (12) are connected, and controller (12) output is connected with hydraulic motor (16) electricity, and hydraulic system is installed to the both sides face of car (13), and hydraulic motor (16) pass through hydraulic system control, and car (13) bottom is equipped with response piece (20), and car (13) are equipped with alarm lamp (21) outward, and car (13) bottom is equipped with spring (22).

2. Anti-fall mechanism for elevators according to claim 1, characterized in that the sliding cam (15) is provided with elongated grooves on both sides, the elongated grooves being rotatably connected with rollers by means of a plurality of pins.

3. The anti-falling mechanism for the elevator is characterized in that the horizontal inner side surface of the L-shaped clamping block (6) is provided with a first anti-sliding tooth, and the two side walls of the first rectangular frame sliding rail (2) are provided with a second anti-sliding tooth.