CN219429425U

CN219429425U - Anti-falling elevator

Info

Publication number: CN219429425U
Application number: CN202320486252.4U
Authority: CN
Inventors: 叶天龙; 信程
Original assignee: Shaanxi Tongli Elevator Equipment Co ltd
Current assignee: Shaanxi Tongli Elevator Equipment Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-28
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an anti-falling elevator, which comprises an elevator shaft, wherein an elevator car is arranged in the elevator shaft, limiting blocks are fixedly connected to the bottom ends and the top ends of two sides of the elevator car, and limiting grooves are formed in two sides of the inside of the elevator shaft. This anti-falling elevator starts hydraulic cylinder through being provided with backup pad, hydraulic cylinder, gear, connecting block, limiting plate and tachometer, and hydraulic cylinder drives the limiting plate and removes, because the outside tooth piece of gear and the tooth's socket of limiting plate opposite side mutually support and gear fixed connection at the other end of connecting axle, so the limiting plate removes the outside tooth piece of making the gear and inlays in the inside of tooth's socket to can carry out spacing fixed prevention gear and connecting axle rotation to the gear, prevent gear and connecting axle rotation can make the car stop the decline and prevent that the car from falling, solve and can not in time make the elevator stop decline, lead to the emergence incident easily, reduce the problem of elevator security.

Description

Anti-falling elevator

Technical Field

The utility model relates to the technical field of elevator safety, in particular to an anti-falling elevator.

Background

The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle, is widely used in high-rise buildings, and the safety performance of the elevator becomes one of the most important elevator performances, and because of incorrect use and the occurrence of elevator falling accidents caused by extremely easy potential safety hazards existing in the elevator, the elevator causes casualties and economic losses, and is a deceleration anti-falling elevator provided according to application number CN201610400040.4, and comprises an elevator shaft and an elevator car positioned in the elevator shaft, and is characterized in that: an embedded guide rail is arranged on the wall of the elevator shaft, and the elevator car is installed in a matched manner with the embedded guide rail through guide shoes; the bottom of the lift car is provided with flexible side wings with the shape matched with the cross section of the lift shaft and a winding mechanism; when the car normally operates, the winding mechanism controls the flexible side wing to wind so as to realize the normal operation of the car, and when the car falls down, the winding mechanism controls the flexible side wing to wind away and realize dynamic seal with the elevator shaft wall so as to enable the car to decelerate under the action of bottom air pressure. The beneficial effects of the utility model are as follows: when the lift car falls down, the flexible edge is spanned to form dynamic seal with the wall of the lift car, so that the lift car becomes a piston-like structure to squeeze the gas at the lower part, and strong pressure is generated to counteract the gravity of the lift car, thereby achieving the purpose of reducing the speed.

According to the technical scheme, the flexible edge is spanned to form dynamic seal with the elevator shaft wall, so that the elevator car is changed into a piston-like structure to squeeze gas at the lower part, strong pressure is generated to counteract the gravity of the elevator car, the purpose of deceleration is achieved, the elevator can not be stopped and lowered in time when the elevator is used, safety accidents are easily caused, and the safety of the elevator is reduced. Therefore, we propose a novel anti-falling elevator to improve the problems.

Disclosure of Invention

The utility model aims to provide an anti-falling elevator, which solves the problems that the elevator cannot be stopped descending in time, safety accidents are easy to occur and the safety of the elevator is reduced in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-falling elevator, includes the elevator hoistway, the inside of elevator hoistway is provided with the car, the bottom and the top fixedly connected with stopper of car both sides, the spacing groove has been seted up to the inside both sides of elevator hoistway, servo motor is installed to the one end at elevator hoistway top, servo motor's output fixedly connected with connecting axle, the other end fixedly connected with gear of connecting axle, the outside winding of gear has the wire rope that tows, wire rope fixedly connected with is on the top of car, the outside fixedly connected with wind-up roll of connecting axle, the both ends fixedly connected with fixed plate of wind-up roll, one side fixedly connected with backup pad on elevator hoistway top, the bottom and the top fixedly connected with hydraulic cylinder of backup pad opposite side, the opposite side fixedly connected with connecting block of hydraulic cylinder, fixedly connected with limiting plate between the connecting block, the tachometer is installed to the one end of gear.

Preferably, the outside of gear is provided with the tooth piece, one side of limiting plate inside is provided with the tooth's socket that cooperatees with the tooth piece.

Preferably, the mount pad is installed on the inside top of elevator shaft, the bottom of mount pad is provided with the buffer board, four corners between mount pad and the buffer board are provided with the damping telescopic link, the inside both sides of mount pad are provided with buffer spring, both sides fixedly connected with fixed block between the buffer spring, the bottom of fixed block and the top fixedly connected with installation piece of buffer board, the swing joint has the connecting rod between the installation piece, the both sides of the inside bottom of buffer board are provided with the inductor.

Preferably, the damping telescopic rods are provided with four groups, and the damping telescopic rods are symmetrically distributed with respect to the vertical center line of the mounting seat.

Preferably, the both ends fixedly connected with spacing spout at elevator shaft top, the indent has been seted up to the inside bottom of connecting block, the inside of indent is provided with the ball.

Preferably, the ball rolls in the inside of the rolling groove, and the bottom end of the connecting block slides left and right in the inside of the limiting chute.

Compared with the prior art, the utility model has the beneficial effects that: the anti-falling elevator not only realizes timely stopping the elevator from descending and preventing winding from being excessive, but also improves the stability of the limiting plate during moving;

(1) Through being provided with backup pad, hydraulic cylinder, gear, connecting block, limiting plate and tachometer, when the tachometer senses that the connecting axle makes the car descend fast through dragging the steel cable, start hydraulic cylinder, hydraulic cylinder drives the limiting plate and removes, because the tooth socket of the outside tooth piece of gear and limiting plate opposite side mutually support and gear fixed connection at the other end of connecting axle, so the limiting plate removes and can make the outside tooth piece of gear inlay in the inside of tooth socket, thereby can carry out spacing fixed to the gear prevent gear and connecting axle rotation, prevent gear and connecting axle rotation can make the car stop descending and prevent the car from falling;

(2) Through being provided with buffer board, inductor, damping telescopic link, installation piece, connecting rod, buffer spring and fixed block, the car can extrude buffer spring through buffer board and connecting rod when the car rises to certain height, and buffer spring then can cushion the car through self elasticity, and the inductor can sense the car and collide on the buffer board when extruding buffer spring, and the inductor starts hydraulic cylinder immediately after sensing and carries out spacingly to the gear, and the damping telescopic link can carry out spacingly to the buffer board;

(3) Through being provided with connecting block, slot, ball and spacing spout, the bottom of connecting block can slide in the inside of spacing spout when the limiting plate removes, and the connecting block slides in the inside of spacing spout and can carry out spacingly to the limiting plate to stability when can improving the limiting plate and remove has seted up the slot in the inside bottom of connecting block, and the inside ball of slot can reduce the friction between connecting block and the spacing spout, and the reduction friction can make things convenient for connecting block and limiting plate to remove.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic side view of a gear according to the present utility model;

FIG. 3 is an enlarged partial sectional view of the mounting base of the present utility model;

fig. 4 is an enlarged sectional view of fig. 1 a according to the present utility model.

In the figure: 1. an elevator shaft; 2. a limit groove; 3. a mounting base; 4. a support plate; 5. a hydraulic cylinder; 6. a gear; 7. a connecting block; 8. a limiting plate; 9. a velometer; 10. a buffer plate; 11. dragging the steel rope; 12. a car; 13. a limiting block; 14. a servo motor; 15. a connecting shaft; 16. a wind-up roll; 17. a fixing plate; 18. an inductor; 19. damping telescopic rod; 20. a mounting block; 21. a connecting rod; 22. a buffer spring; 23. a fixed block; 24. rolling grooves; 25. a ball; 26. limiting sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, an anti-falling elevator comprises an elevator shaft 1, wherein a car 12 is arranged in the elevator shaft 1, limiting blocks 13 are fixedly connected to the bottom end and the top end of two sides of the car 12, limiting grooves 2 are formed in two sides of the inside of the elevator shaft 1, a servo motor 14 is installed at one end of the top of the elevator shaft 1, a connecting shaft 15 is fixedly connected to the output end of the servo motor 14, a gear 6 is fixedly connected to the other end of the connecting shaft 15, a traction steel rope 11 is wound on the outer portion of the gear 6, the traction steel rope 11 is fixedly connected to the top end of the car 12, a winding roller 16 is fixedly connected to the outer portion of the connecting shaft 15, fixing plates 17 are fixedly connected to two ends of the winding roller 16, a supporting plate 4 is fixedly connected to one side of the top end of the elevator shaft 1, a hydraulic cylinder 5 is fixedly connected to the bottom end and the top end of the other side of the supporting plate 4, a limiting plate 8 is fixedly connected to the other side of the hydraulic cylinder 5, and a speed measuring instrument 9 is installed at one end of the gear 6;

the outside of the gear 6 is provided with a tooth block, and one side of the inside of the limiting plate 8 is provided with a tooth slot matched with the tooth block;

specifically, as shown in fig. 1, 2 and 4, when the tachometer 9 senses that the connecting shaft 15 makes the car 12 quickly descend through the traction steel rope 11, the hydraulic cylinder 5 drives the limiting plate 8 to move, and as the tooth block outside the gear 6 is matched with the tooth groove on the other side of the limiting plate 8 and the gear 6 is fixedly connected to the other end of the connecting shaft 15, the limiting plate 8 moves to enable the tooth block outside the gear 6 to be embedded in the tooth groove, so that the gear 6 and the connecting shaft 15 can be prevented from rotating by limiting and fixing the gear 6, and the car 12 can be prevented from falling by stopping the descending of the car 12 by preventing the rotation of the gear 6 and the connecting shaft 15.

Example 2: the installation seat 3 is installed at the top end of the inside of the elevator shaft 1, the buffer plate 10 is arranged at the bottom end of the installation seat 3, the damping telescopic rods 19 are arranged at four corners between the installation seat 3 and the buffer plate 10, the buffer springs 22 are arranged at two sides of the inside of the installation seat 3, the fixed blocks 23 are fixedly connected to two sides between the buffer springs 22, the connecting rods 21 are movably hinged between the installation blocks 20 and fixedly connected to the bottom ends of the fixed blocks 23 and the top ends of the buffer plate 10, the inductors 18 are arranged at two sides of the bottom end of the inside of the buffer plate 10, the damping telescopic rods 19 are provided with four groups, and the damping telescopic rods 19 are symmetrically distributed about the vertical center line of the installation seat 3;

specifically, as shown in fig. 1 and 3, when the car 12 rises to a certain height, the car 12 presses the buffer spring 22 through the buffer plate 10 and the connecting rod 21, the buffer spring 22 buffers the car 12 through its own elasticity, the sensor 18 senses that the car 12 collides with the buffer plate 10 when pressing the buffer spring 22, the hydraulic cylinder 5 is started to limit the gear 6 immediately after the sensor 18 senses, and the damping telescopic rod 19 can limit the buffer plate 10.

Example 3: the two ends of the top of the elevator shaft 1 are fixedly connected with limiting sliding grooves 26, the bottom end of the inside of the connecting block 7 is provided with rolling grooves 24, the inside of the rolling grooves 24 is provided with balls 25, the balls 25 roll in the inside of the rolling grooves 24, and the bottom end of the connecting block 7 slides left and right in the inside of the limiting sliding grooves 26;

specifically, as shown in fig. 1 and 4, when the limiting plate 8 moves, the bottom end of the connecting block 7 slides in the limiting chute 26, the connecting block 7 slides in the limiting chute 26 to limit the limiting plate 8, so that the stability of the limiting plate 8 during movement can be improved, the rolling groove 24 is formed in the bottom end of the connecting block 7, the balls 25 in the rolling groove 24 can reduce friction between the connecting block 7 and the limiting chute 26, and the reduction of friction can facilitate the movement of the connecting block 7 and the limiting plate 8.

Working principle: when the utility model is used, the servo motor 14 is started, the servo motor 14 unwinds and winds the traction steel rope 11 through the connecting shaft 15 and the winding roller 16, so that the lift car 12 can be lifted, when the velocimeter 9 senses that the connecting shaft 15 rapidly descends the lift car 12 through the traction steel rope 11, the hydraulic cylinder 5 is started, the limiting plate 8 is driven to move by the hydraulic cylinder 5, the tooth block outside the gear 6 can be embedded in the tooth groove by the movement of the limiting plate 8, the gear 6 and the connecting shaft 15 can be prevented from rotating by limiting and fixing, the lift car 12 can be prevented from falling by preventing the rotation of the gear 6 and the connecting shaft 15, the bottom end of the connecting block 7 can slide in the limiting chute 26 when the limiting plate 8 moves, the limiting plate 8 can be limited by the sliding of the connecting block 7 in the limiting chute 26, thereby can improve the stability when limiting plate 8 removes, the rolling groove 24 has been seted up to the inside bottom of connecting block 7, rolling groove 24 inside ball 25 can reduce the friction between connecting block 7 and the limiting chute 26, reduce friction can make things convenient for connecting block 7 and limiting plate 8 to remove, car 12 can extrude buffer spring 22 through buffer plate 10 and connecting rod 21 when car 12 rises to certain height, buffer spring 22 then can cushion car 12 through self elasticity, inductor 18 can sense car 12 and collide on buffer plate 10 when extruding buffer spring 22, immediately start hydraulic cylinder 5 and carry out spacingly to gear 6 after inductor 18 senses, damping telescopic link 19 can be spacing buffer plate 10.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. An anti-falling elevator, comprising an elevator hoistway (1), characterized in that: the elevator is characterized in that a car (12) is arranged in the elevator shaft (1), limiting grooves (2) are formed in the two sides of the car (12) and fixedly connected with limiting blocks (13), a servo motor (14) is arranged at one end of the top of the elevator shaft (1), a connecting shaft (15) is fixedly connected with the output end of the servo motor (14), a gear (6) is fixedly connected with the other end of the connecting shaft (15), a traction steel rope (11) is wound on the outer portion of the gear (6), the traction steel rope (11) is fixedly connected to the top end of the car (12), a winding roller (16) is fixedly connected to the outer portion of the connecting shaft (15), a fixing plate (17) is fixedly connected to the two ends of the winding roller (16), a supporting plate (4) is fixedly connected to one side of the top of the elevator shaft (1), a hydraulic cylinder (5) is fixedly connected to the bottom end of the other side of the supporting plate (4), a connecting block (7) is fixedly connected to the other side of the hydraulic cylinder (5), and a speed measuring instrument (9) is arranged between the connecting blocks (7).

2. The fall arrest elevator as defined in claim 1, wherein: the outside of gear (6) is provided with the tooth piece, one side of limiting plate (8) inside is provided with the tooth's socket with tooth piece matched with.

3. The fall arrest elevator as defined in claim 1, wherein: install mount pad (3) on the inside top of elevator shaft (1), the bottom of mount pad (3) is provided with buffer board (10), four corners between mount pad (3) and buffer board (10) are provided with damping telescopic link (19), the inside both sides of mount pad (3) are provided with buffer spring (22), both sides fixedly connected with fixed block (23) between buffer spring (22), the top fixedly connected with installation piece (20) of the bottom of fixed block (23) and buffer board (10), swing joint has connecting rod (21) between installation piece (20), the both sides of the inside bottom of buffer board (10) are provided with inductor (18).

4. A fall arrest elevator according to claim 3, characterized in that: the damping telescopic rods (19) are provided with four groups, and the damping telescopic rods (19) are symmetrically distributed with respect to the vertical center line of the mounting seat (3).

5. The fall arrest elevator as defined in claim 1, wherein: the elevator is characterized in that limiting sliding grooves (26) are fixedly connected to the two ends of the top of the elevator shaft (1), rolling grooves (24) are formed in the bottom end of the inside of the connecting block (7), and balls (25) are arranged in the rolling grooves (24).

6. The fall arrest elevator as defined in claim 5, wherein: the ball (25) rolls in the rolling groove (24), and the bottom end of the connecting block (7) slides left and right in the limiting chute (26).