CN214167032U

CN214167032U - Anti-falling safety elevator

Info

Publication number: CN214167032U
Application number: CN202023310504.3U
Authority: CN
Inventors: 吴新火
Original assignee: Sail Intelligent Elevator Suzhou Co ltd
Current assignee: Sail Intelligent Elevator Suzhou Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a fall-proof safety elevator, which comprises a mounting base, a lift car, a buffer mechanism and a fall-proof mechanism; installing a base: the upper surface of the guide rail is provided with two I-shaped guide rails which are symmetrically distributed, and clamping grooves which are uniformly distributed are formed in notches of the I-shaped guide rails. A car: the left side surface and the right side surface of the lift car are respectively provided with two slide seats which are symmetrically distributed, the I-shaped guide rail is in sliding connection with a sliding groove formed by corresponding to the two adjacent slide seats, the slide seats are respectively internally provided with an installation cavity, the upper end of the installation cavity is rotatably connected with a roller through a rotating shaft, the roller corresponds to the notch of the I-shaped guide rail, and the middle part of the upper end plate body of the lift car is provided with a hoisting seat; a buffer mechanism: the buffer mechanism is arranged in the middle of the upper surface of the mounting base, and the upper end of the buffer mechanism corresponds to the lower end of the lift car; prevent mechanism of falling: set up in the inside of installation cavity, this safety elevator that prevents falling provides multiple safety device, can guarantee inside personnel's safety.

Description

Anti-falling safety elevator

Technical Field

The utility model relates to an elevator technical field specifically is a prevent safety elevator that falls.

Background

The elevator at present refers to a permanent transportation device serving a plurality of specific floors in a building, the car of which runs on at least two rows of rigid rails which are vertical to the horizontal plane or have an inclination angle less than 15 degrees with a plumb line, and the permanent transportation device also has a step type, a step plate is arranged on a track and continuously runs, commonly called an escalator or a moving sidewalk, and a fixed type lifting device serving a specified floor, the vertical lifting elevator is provided with a car which runs between at least two rows of rigid guide rails which are vertical or have an inclination angle less than 15 degrees, the elevator in use can have damage to internal components due to some reasons, and the elevator is in danger of falling, so that a falling-preventing device is required to be additionally arranged on the elevator to improve the use safety of the elevator, the traditional falling-preventing safety elevator mostly adopts a mode of preventing the elevator from falling due to the clamping of a steel wire rope at the upper end of the elevator, and if the falling of the falling elevator occurs due to the breakage of the steel rope, the falling prevention mechanism cannot be triggered, the self brake of the car cannot be realized, and the safety of users cannot be guaranteed, so that the falling prevention safety elevator is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a prevent safety elevator that falls, can guarantee user of service's safety, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fall-prevention safety elevator comprises a mounting base, a lift car, a buffer mechanism and a fall-prevention mechanism;

installing a base: the upper surface of the guide rail is provided with two I-shaped guide rails which are symmetrically distributed, and clamping grooves which are uniformly distributed are formed in notches of the I-shaped guide rails;

a car: the left side surface and the right side surface of the lift car are respectively provided with two slide seats which are symmetrically distributed, the I-shaped guide rail is in sliding connection with a sliding groove formed by corresponding to the two adjacent slide seats, the slide seats are respectively internally provided with an installation cavity, the upper end of the installation cavity is rotatably connected with a roller through a rotating shaft, the roller corresponds to the notch of the I-shaped guide rail, and the middle part of the upper end plate body of the lift car is provided with a hoisting seat;

a buffer mechanism: the buffer mechanism is arranged in the middle of the upper surface of the mounting base, and the upper end of the buffer mechanism corresponds to the lower end of the lift car;

prevent mechanism of falling: set up in the inside of installation cavity, the tooth meshing that the mechanism of preventing falling and the outer cambered surface middle part of gyro wheel set up is connected, can realize the quick braking of car under the effect that does not have wire rope traction, can guarantee user's safety, provides multiple safety device, can slow down the impact force of car whereabouts under the unable circumstances of braking of car self, guarantees the steady whereabouts of car.

Further, buffer gear is including installation base, spring post and buffer board, the installation base sets up in the upper surface middle part of mounting base, and the upper surface of installation base is equipped with evenly distributed's spring post, and the top of spring post all is connected with the lower fixed surface of buffer board, and the buffer board corresponds with the lower extreme of car, can cushion the impact force of elevator, guarantees inside personnel safety.

Further, buffer gear still includes wrapping post and unloads the power rope, wrapping post evenly distributed all is equipped with between two wrapping posts that correspond around in the front and back both ends of buffer board and unloads the power rope, can cushion the impact force in the twinkling of an eye of elevator, guarantees the safety of elevator self.

Further, the anti-falling mechanism comprises a driven gear, a fixed block, a spring and a swing rod, the driven gear is connected to the inside of the installation cavity in a rotating mode through a rotating shaft, a first driven gear at the upper end is connected with teeth arranged in the middle of the outer arc surface of the roller in a meshed mode, the fixed block is arranged on the outer side surface of the driven gear respectively, the swing rod is connected to the outer side surface of the driven gear in a rotating mode through the rotating shaft respectively, the spring is arranged between the movable end of the swing rod and the fixed block in a falling mode, and when the elevator is abnormal, the elevator can be prevented from falling.

Further, the anti-falling mechanism further comprises a linkage gear, the linkage gear is connected to the inside of the installation cavity in a rotating mode through a rotating shaft, the linkage gear and the driven gear are arranged at intervals, the adjacent linkage gear is meshed with the driven gear and connected, the driven gear can be guaranteed to rotate synchronously, and the reasonability of the structure is achieved.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent safety elevator that falls has following benefit:

1. when the elevator in use suddenly breaks, the car loses the traction of the steel wire rope, the elevator rapidly falls under the action of self gravity, the rotating speed of the roller is increased instantly, the rotating speed of the driven gear and the linkage gear below the roller is increased simultaneously, the linkage gear can enable the rotating direction of the driven gear to be consistent, along with the increase of the rotating speed of the driven gear, the movable end of the oscillating bar overcomes the pulling force of the spring under the action of centrifugal force and swings through the rotating shaft at the lower end, the upper end of the oscillating bar is pushed into the clamping groove, the car is braked through the interaction of the clamping groove and the oscillating bar, the safety of personnel in the car is guaranteed, the rapid braking of the car can be realized under the action of no steel wire rope traction force, and the safety of users can be guaranteed.

2. If wire rope is disconnected when arranging, the car is located the lower extreme of I-shaped guide rail, the migration distance undersize, above-mentioned device can't do effective reaction, the car falls in the upper end of unloading the power rope, the partly impact force of car is cushioned down under the effect of unloading the power rope, and simultaneously, it gives the buffer board to unload the power rope through wrapping post to pressure transfer, the buffer board is pressing the spring post of below to contract, the impact force of car is cushioned down under the effect of spring post, guarantee the inside personnel safety of car and car, multiple safety device is provided, the impact force that can slow down the car whereabouts under the unable circumstances of braking of car self, guarantee the steady whereabouts of car.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the slide carriage of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: the device comprises a mounting base 1, an I-shaped guide rail 2, a clamping groove 3, a car 4, a sliding seat 5, a buffering mechanism 6, a mounting base 61, a spring column 62, a buffering plate 63, a winding column 64, a force unloading rope 65, a roller 7, an anti-falling mechanism 8, a linkage gear 81, a driven gear 82, a fixed block 83, a spring 84, an oscillating bar 85, a hoisting seat 9 and a mounting cavity 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fall-prevention safety elevator comprises a mounting base 1, a car 4, a buffer mechanism 6 and a fall-prevention mechanism 8;

mounting a base 1: the mounting base 1 provides a mounting place for other components, two I-shaped guide rails 2 which are symmetrically distributed are arranged on the upper surface of the mounting base, the I-shaped guide rails 2 provide a guiding effect for the running of an elevator, and clamping grooves 3 which are uniformly distributed are formed in notches of the I-shaped guide rails 2;

a car 4: the elevator car 4 provides a riding place for a person, two symmetrically distributed sliding seats 5 are arranged on the left side and the right side of the elevator car, the I-shaped guide rail 2 is in sliding connection with sliding grooves formed by corresponding two adjacent sliding seats 5, mounting cavities 10 are formed in the sliding seats 5, idler wheels 7 are rotatably connected to the upper ends of the mounting cavities 10 through rotating shafts, the idler wheels 7 correspond to the positions of notches of the I-shaped guide rails 2, hoisting seats 9 are arranged in the middle of upper end plate bodies of the elevator car 4, steel wire ropes wound on an external tractor output shaft are fixedly connected with the hoisting seats 9, installation of the elevator car 4 is achieved, when the elevator is normally used, the elevator car 4 stably moves along the I-shaped guide rails 2 under the traction of the steel wire ropes, and the idler wheels 7 rotate in the notches of the I-shaped guide rails 2 in the up-down moving process of the elevator car 4;

the buffer mechanism 6: the buffer mechanism 6 can buffer the impact force of the elevator and ensure the safety of internal personnel, and is arranged in the middle of the upper surface of the mounting base 1, the upper end of the buffer mechanism 6 corresponds to the lower end of the car 4, the buffer mechanism 6 comprises a mounting base 61, a spring column 62 and a buffer plate 63, the mounting base 61 is arranged in the middle of the upper surface of the mounting base 1, the upper surface of the mounting base 61 is provided with the spring columns 62 which are uniformly distributed, the tops of the spring columns 62 are fixedly connected with the lower surface of the buffer plate 63, the buffer plate 63 corresponds to the lower end of the car 4, the buffer mechanism 6 further comprises wrapping columns 64 and force unloading ropes 65, the wrapping columns 64 are uniformly distributed at the front end and the rear end of the buffer plate 63, the force unloading ropes 65 are arranged between the two wrapping columns 64 which correspond to each other in the front end and the rear end, if the steel wire rope is broken, the car 4 is positioned at the lower end of the I-shaped guide rail 2, the moving distance is too small, when the device can not react effectively, the car 4 falls at the upper end of the force-unloading rope 65, part of impact force of the car 4 is buffered under the action of the force-unloading rope 65, meanwhile, the force-unloading rope 65 transmits pressure to the buffer plate 63 through the winding post 64, the buffer plate 63 presses the spring post 62 below to contract, the impact force of the car 4 is buffered under the action of the spring post 62, and the safety of the car 4 and personnel inside the car 4 is ensured;

the anti-falling mechanism 8: the anti-falling mechanism 8 can prevent an elevator from falling when the elevator is abnormal, and is arranged in the installation cavity 10, the anti-falling mechanism 8 is in meshed connection with teeth arranged in the middle of the extrados of the roller 7, the anti-falling mechanism 8 comprises a driven gear 82, fixed blocks 83, springs 84 and a swing rod 85, the driven gear 82 is rotatably connected in the installation cavity 10 through a rotating shaft, a first driven gear 82 at the upper end is in meshed connection with the teeth arranged in the middle of the extrados of the roller 7, the fixed blocks 83 are respectively arranged on the outer side surfaces of the driven gears 82, the swing rod 85 is respectively rotatably connected on the outer side surfaces of the driven gears 82 through the rotating shaft, the springs 84 are arranged between the movable ends of the swing rod 85 and the fixed blocks 83, the anti-falling mechanism 8 further comprises a linkage gear 81, the linkage gear 81 is rotatably connected in the installation cavity 10 through the rotating shaft, the linkage gear 81 and the driven gear 82 are arranged at intervals, and the adjacent linkage gear 81 is in meshed connection with the driven gear 82, when the elevator in use is suddenly broken, the car 4 loses the traction of the steel wire rope, and rapidly falls downwards under the action of self gravity, the rotating speed of the roller 7 is increased instantly, the rotating speed of the driven gear 82 and the linkage gear 81 below the driven gear is increased, the linkage gear 81 can enable the rotating direction of the driven gear 82 to be consistent, along with the increase of the rotating speed of the driven gear 82, the movable end of the oscillating rod 85 overcomes the pulling force of the spring 84 under the action of centrifugal force and swings through the rotating shaft at the lower end, so that the upper end of the oscillating rod 85 is pushed into the clamping groove 3, the car 4 is braked through the interaction of the clamping groove 3 and the oscillating rod 85, and therefore the safety of personnel in the car 4 is guaranteed.

When in use: the steel wire rope wound on an output shaft of an external tractor is fixedly connected with a hoisting seat 9, so that the installation of a car 4 is realized, when an elevator is in normal use, the car 4 stably moves along an I-shaped guide rail 2 under the traction of the steel wire rope, a roller 7 rotates in a notch of the I-shaped guide rail 2 in the process of moving the car 4 up and down, the roller 7 drives a linkage gear 81 and a driven gear 82 below the roller to rotate at a constant speed through a tooth in the middle when the roller 7 rotates, when the elevator in use is suddenly broken, the car 4 loses the traction of the steel wire rope and rapidly falls down under the action of self gravity, the rotating speed of the roller 7 is instantly increased, the rotating speeds of the driven gear 82 and the linkage gear 81 below are driven to be increased, the linkage gear 81 can enable the rotating directions of the driven gear 82 to be consistent, and the movable end of a swing rod 85 overcomes the tensile force of a spring 84 to swing through a rotating shaft at the lower end under the action of centrifugal force, inside this makes the upper end top of pendulum rod 85 go into draw-in groove 3, make car 4 brake through draw-in groove 3 and the interact of pendulum rod 85, guarantee the safety of the inside personnel of car 4 with this, if when wire rope is listed as absolutely, car 4 is located the lower extreme of I-shaped guide rail 2, the migration distance undersize, above-mentioned device can't make effective reaction, car 4 falls in the upper end of unloading power rope 65, buffer off a part of impact force of car 4 under the effect of unloading power rope 65, simultaneously, unloading power rope 65 transmits pressure for buffer board 63 through wrapping post 64, buffer board 63 is pressing the spring post 62 of below to contract, buffer off the impact force of car 4 under the effect of spring post 62, guarantee the inside personnel safety of car 4 and car 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fall-prevention safety elevator is characterized in that: comprises a mounting base (1), a lift car (4), a buffer mechanism (6) and an anti-falling mechanism (8);

mounting base (1): the upper surface of the guide rail is provided with two I-shaped guide rails (2) which are symmetrically distributed, and the notches of the I-shaped guide rails (2) are internally provided with clamping grooves (3) which are uniformly distributed;

a car (4): the left side surface and the right side surface of the car are respectively provided with two slide seats (5) which are symmetrically distributed, the I-shaped guide rail (2) is in sliding connection with sliding grooves which are correspondingly formed by the two adjacent slide seats (5), the interior of each slide seat (5) is provided with a mounting cavity (10), the upper end of each mounting cavity (10) is rotatably connected with a roller (7) through a rotating shaft, the roller (7) corresponds to the position of a notch of the I-shaped guide rail (2), and the middle part of an upper end plate body of the car (4) is provided with a hoisting seat (9);

buffer mechanism (6): the buffer mechanism is arranged in the middle of the upper surface of the mounting base (1), and the upper end of the buffer mechanism (6) corresponds to the lower end of the lift car (4);

anti-falling mechanism (8): the anti-falling mechanism (8) is arranged in the installation cavity (10) and is connected with teeth arranged in the middle of the outer arc surface of the roller (7) in a meshed manner.

2. A fall arrest safety elevator as claimed in claim 1, characterized in that: buffer gear (6) are including installation base (61), spring post (62) and buffer board (63), installation base (61) set up in the upper surface middle part of mounting base (1), and the upper surface of installation base (61) is equipped with evenly distributed's spring post (62), and the top of spring post (62) all is connected with the lower fixed surface of buffer board (63), and buffer board (63) correspond with the lower extreme of car (4).

3. A fall arrest safety elevator as claimed in claim 2, characterized in that: buffer gear (6) still include wrapping post (64) and unload power rope (65), wrapping post (64) evenly distributed all is equipped with between two wrapping posts (64) that correspond around in the front and back both ends of buffer board (63) and unloads power rope (65).

4. A fall arrest safety elevator as claimed in claim 1, characterized in that: prevent falling mechanism (8) and include driven gear (82), fixed block (83), spring (84) and pendulum rod (85), driven gear (82) rotate through the pivot and connect in the inside of installation cavity (10), and the first driven gear (82) in upper end is connected with the tooth meshing that gyro wheel (7) extrados middle part set up, and fixed block (83) set up respectively in the lateral surface of driven gear (82), and pendulum rod (85) rotate respectively through the pivot and connect in the lateral surface of driven gear (82), is equipped with spring (84) between the expansion end of pendulum rod (85) and fixed block (83).

5. A fall arrest safety elevator as claimed in claim 4, characterized in that: the anti-falling mechanism (8) further comprises a linkage gear (81), the linkage gear (81) is connected to the inside of the installation cavity (10) through rotation of a rotating shaft, the linkage gear (81) and the driven gear (82) are arranged at intervals, and the adjacent linkage gear (81) is meshed with the driven gear (82) and is connected with the driven gear.