CN210193118U

CN210193118U - Emergency stop device for elevator

Info

Publication number: CN210193118U
Application number: CN201920552216.7U
Authority: CN
Inventors: Xiaobin Yan; 严小斌; Wenlong Zhang; 张文龙; Jiawen Li; 李佳文; Qi Ling; 凌琦; Jigang Xie; 谢继刚
Original assignee: Zhejiang Derui Elevator Parts Technology Co Ltd
Current assignee: Zhejiang Derui Elevator Parts Technology Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-03-27
Anticipated expiration: 2029-04-22

Abstract

The utility model belongs to the technical field of the elevator, especially, relate to an emergency stop device for elevator. The utility model discloses, including the elevartor shaft main part, the elevartor shaft main part in be provided with a plurality of baffles along elevartor shaft main part central line symmetry, the elevartor shaft main part in be equipped with elevator well, elevator well in be equipped with the elevator car that can follow vertical direction reciprocating linear motion, elevator car bottom be equipped with the start-up chamber, the start-up intracavity be equipped with the metal ball that can follow vertical direction reciprocating linear motion. The utility model discloses when elevator car takes place to fall promptly, make the scram board stretch out outward to elevator car after the accessible metal ball rises fast, through scram board and the mutual butt of baffle for the baffle supports elevator car, and in-process emergency stop falls down, and stops at the floor opening part, convenient rescue, and the security performance reinforcing has avoided appearing casualties and secondary accident when taking place the elevator accident.

Description

Emergency stop device for elevator

Technical Field

The utility model belongs to the technical field of the elevator, a an emergency stop device for elevator is related to.

Background

At present along with the standing of high building mansion, the elevator becomes a universal instrument of going upstairs and downstairs, and the accident rate of present elevator is more and more high, in case the accident takes place, causes the casualties to the personnel of taking the elevator easily, and the security performance is not high, and current elevator emergency stop device can't ensure that the elevator emergency stop is at the floor opening part, and the rescue is comparatively troublesome, secondary accident appears easily.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, chinese patent discloses an emergency stop device of an elevator [ application number: 201510279311.0], the emergency stop device of elevator comprises: a pair of wedge-shaped braking members for clamping a guide rail for guiding a lifting body lifting in a lifting passage of the elevator; a tilting body disposed on the rear surface side of the brake; an elastic body for applying a force to the tilting body; and a lifting member that changes a relative position of the braking member and the car in an emergency, the emergency stop device of the elevator being capable of emergency stop of the elevating body, wherein the braking member includes: a friction member provided to protrude from a surface facing the guide rail; a support body for holding the friction member; and a fixing member fixed to a surface of the support body not facing the guide rail and holding the friction member so that the friction member does not fall off from the support body. But this scheme still exists and can't ensure that the elevator emergency stop is at floor opening part, and the rescue is comparatively troublesome, and the security performance is not high defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an emergency stop device for elevator.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides an emergency stop device for elevator, includes the elevartor shaft main part, the elevartor shaft main part in be provided with a plurality of baffles along elevartor shaft main part central line symmetry, the elevartor shaft main part in be equipped with the elevator car that can follow vertical direction reciprocating linear motion, elevator car bottom be equipped with the start-up chamber, the start-up intracavity be equipped with the metal ball that can follow vertical direction reciprocating linear motion, metal ball top be equipped with a plurality of along start-up chamber central point symmetry can follow the abrupt stop plate of horizontal direction reciprocating linear motion, the position of abrupt stop plate and baffle corresponding, the elevator car in be provided with two sedan-chair doors that follow elevator car central line symmetry and can follow horizontal direction reciprocating linear motion.

In the emergency stop device for the elevator, the two ends of the emergency stop plate are connected with the limiting blocks, the end parts of the limiting blocks are connected with the springs, and the emergency stop plate can be abutted and matched with the baffle plate.

In the emergency stop device for the elevator, the top of the starting cavity is provided with the starting switch, the top of the starting cavity is connected with the rotating cavity, the rotating cavity is internally provided with the rotator connected with the starting switch, and the rotating shaft of the rotator is connected with the rotating wheel.

In the emergency stop device for the elevator, the side part of the rotating cavity is connected with a plurality of rope grooves which are symmetrical along the center of the rotating cavity, one side, far away from the rotating cavity, of each rope groove is connected with a sliding groove, the emergency stop plate is positioned in the sliding groove, and the emergency stop plate corresponds to the rotating wheel in position.

In the emergency stop device for the elevator, two circular rope pulling grooves which are symmetrical along the center line of the rotating wheel are arranged in the rotating wheel, a pulling rope which is wound in opposite directions is respectively arranged in the two circular rope pulling grooves, and the end part of the pulling rope is connected with the end part of the emergency stop plate, which is close to the rotating cavity.

In the emergency stop device for the elevator, the side part of the starting cavity is connected with a plurality of stay wire limiting grooves which are symmetrical along the central line of the starting cavity, the metal ball is connected with a plurality of elastic stay wires which are symmetrical along the axial line of the metal ball, the bottom of the starting cavity is provided with a buffer block, the end part of each elastic stay wire is connected with the buffer block, and the buffer block corresponds to the metal ball in position.

In the emergency stop device for the elevator, a plurality of pulleys symmetrical along the center line of the elevator car are arranged at two ends of the elevator car, and the elevator shaft body is internally provided with the sliding guide strips symmetrical along the center line of the elevator shaft body, and the sliding guide strips correspond to the pulleys in position.

In the emergency stop device for the elevator, a plurality of pulley guide grooves are arranged in the guide sliding strip, and the pulleys correspond to the pulley guide grooves in position.

In the emergency stop device for the elevator, a counterweight guide groove is arranged in the elevator shaft main body, and a counterweight block capable of reciprocating and linearly moving along the vertical direction is arranged in the counterweight guide groove.

In foretell emergency stop device for elevator, elevartor shaft main part top be equipped with the roof, the roof on be equipped with the power runner, the power runner on around be equipped with the elevator hawser, elevator hawser one end with to the pouring weight top be connected, the other end is connected with elevator car top.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses when elevator car takes place to fall promptly, make the scram board stretch out outward to elevator car after the accessible metal ball rises fast, through scram board and the mutual butt of baffle for the baffle supports elevator car, and in-process emergency stop falls down, and stops at the floor opening part, convenient rescue, and the security performance reinforcing has avoided appearing casualties and secondary accident when taking place the elevator accident.

2. The utility model discloses a set up the pulley and can make elevator car reduce resistance and frictional force at the lift in-process, reduced the noise.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 2.

Fig. 4 is a schematic view in the direction C-C in fig. 1.

Fig. 5 is a schematic structural view of the slide guide bar.

In the figure: the elevator shaft comprises an elevator shaft body 1, a baffle plate 2, an elevator shaft 3, an elevator car 4, an emergency stop starting cavity 5, a car door 7, a metal ball 8, a starting switch 9, a rotating cavity 10, a rotator 11, a rotating wheel 12, a rope groove 13, a sliding groove 14, an emergency stop plate 15, a circular rope groove 16, a pull rope 17, a limiting block 18, a spring 19, a pull rope limiting groove 20, an elastic pull rope 21, a buffer block 22, a pulley 23, a guide sliding strip 24, a pulley guide groove 25, a counterweight guide groove 26, a counterweight 27, a top plate 28, a power rotating wheel 29 and an elevator cable 30.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, 2, and 3, an emergency stop device for an elevator, includes a hoistway body 1, a plurality of baffles 2 which are symmetrical along the central line of the elevator shaft body 1 are arranged in the elevator shaft body 1, an elevator shaft 3 is arranged in the elevator shaft main body 1, an elevator car 4 capable of reciprocating and linear motion along the vertical direction is arranged in the elevator shaft 3, the bottom of the elevator cage 4 is provided with a starting cavity 5, a metal ball 8 which can do reciprocating linear motion along the vertical direction is arranged in the starting cavity 5, the top of the metal ball 8 is provided with a plurality of emergency stop plates 15 which are symmetrical along the center of the starting cavity 5 and can do reciprocating linear motion along the horizontal direction, the emergency stop plate 15 corresponds to the baffle 2, and two car doors 7 which are symmetrical along the center line of the elevator car 4 and can reciprocate linearly along the horizontal direction are arranged in the elevator car 4.

In this embodiment, when elevator car 4 takes place urgent whereabouts, make scram board 15 stretch out outside elevator car 4 after 8 rises fast of metal ball, through

scram board

15 and 2 mutual butts of baffle for elevator car 4 can be at the urgent stop of whereabouts in-process, and baffle 2 that distributes evenly can make the reinforcing of elevator security performance, avoids appearing the casualties when taking place the elevator accident.

Referring to fig. 2, two ends of the emergency stop plate 15 are connected with limit blocks 18, the end parts of the limit blocks 18 are connected with springs 19, and the emergency stop plate 15 can be abutted and matched with the baffle 2.

Specifically, the limiting block 18 plays a limiting role, and the spring 19 can enable the emergency stop plate 15 to rapidly extend out of the elevator car 4.

Referring to fig. 2 and 3, a starting switch 9 is arranged at the top of the starting cavity 5, a rotating cavity 10 is connected to the top of the starting cavity 5, a rotator 11 connected with the starting switch 9 is arranged in the rotating cavity 10, and a rotating wheel 12 is connected to the rotating shaft of the rotator 11.

In this embodiment, when the elevator car 4 is higher than the rated falling speed, the metal ball 8 rises fast and collides with the start switch 9, so as to start the rotator 11, and further drive the rotating shaft and the rotating wheel 12 to rotate, and those skilled in the art should understand that the rotator 11 can be a forward and reverse rotating motor.

Referring to fig. 2 and 3, the side of the rotating cavity 10 is connected with a plurality of rope grooves 13 symmetrical along the center of the rotating cavity 10, one side of the rope grooves 13 far away from the rotating cavity 10 is connected with a sliding groove 14, the emergency stop plate 15 is positioned in the sliding groove 14, and the emergency stop plate 15 corresponds to the rotating wheel 12.

In this embodiment, the emergency stop plate 15 is disposed parallel to the position of the rotating wheel 12, and the rope grooves 13 are also disposed parallel to each other.

Referring to fig. 1, 2 and 3, two circular rope grooves 16 are formed in the rotating wheel 12 and are symmetrical along the center line of the rotating wheel 12, a rope 17 wound in opposite directions is respectively arranged in each of the two circular rope grooves 16, and the end of the rope 17 is connected with the end of the emergency stop plate 15 on the side close to the rotating cavity 10.

In this embodiment, when the rotating wheel 12 rotates, the pull rope 17 is rapidly extended, the emergency stop plate 15 can rapidly extend out of the elevator car 4 through the spring 19, the emergency stop plate 15 abuts against the baffle plate 2, and the baffle plate 2 achieves the purpose of supporting the elevator car 4, so that emergency stop is achieved.

Referring to fig. 2 and 3, the side of the starting cavity 5 is connected with a plurality of stay wire limiting grooves 20 symmetrical along the central line of the starting cavity 5, the metal ball 8 is connected with a plurality of elastic stay wires 21 symmetrical along the central line of the metal ball 8, the bottom of the starting cavity 5 is provided with a buffer block 22, the end of each elastic stay wire 21 is connected with the buffer block 22, and the buffer block 22 corresponds to the metal ball 8.

In this embodiment, when elevator car 4 is at rated falling speed, elasticity stay wire 21 can play the barrier effect to metal ball 8, prevents that metal ball 8 from striking starting switch 9, and when elevator car 4 was higher than rated falling speed, metal ball 8 struck starting switch 9 to make rotator 11 start, when elevator car 4 promptly stopped, through the buffer effect of buffer block 22 to metal ball 8, prevent that metal ball 8 secondary striking starting switch 9.

Referring to fig. 4 and 5, a plurality of pulleys 23 symmetrical along the center line of the elevator car 4 are arranged at two ends of the elevator car 4, slide guide strips 24 symmetrical along the center line of the elevator shaft body 1 are arranged in the elevator shaft body 1, and the slide guide strips 24 correspond to the pulleys 23 in position.

In this embodiment, the pulley 23 can reduce the resistance and friction of the elevator car 4 during the vertical movement, and the guide strip 24 can prevent the elevator car 4 from shifting.

Referring to fig. 5, a plurality of pulley guide grooves 25 are formed in the slide guide bar 24, and the pulleys 23 correspond to the pulley guide grooves 25.

Specifically, the sheaves 23 are fitted into the sheave guide grooves 25, and the sheave guide grooves 25 serve to limit the sheaves 23 and the elevator car 4.

Referring to fig. 4, a counterweight guide groove 26 is provided in the hoistway body 1, and a counterweight 27 capable of reciprocating linearly in the vertical direction is provided in the counterweight guide groove 26.

In this embodiment, the elevator car 4 can be displaced in the vertical direction by moving the weight 27.

Referring to fig. 4, a top plate 28 is arranged at the top of the elevator shaft body 1, a power rotating wheel 29 is arranged on the top plate 28, an elevator cable 30 is wound on the power rotating wheel 29, one end of the elevator cable 30 is connected with the top of the counterweight 27, and the other end of the elevator cable is connected with the top of the elevator car 4.

In this embodiment, the weight 27 and the elevator car 4 are displaced by pulling the elevator rope 30 by the rotation of the power wheel 29, and a motor (not shown) is connected to the rear end of the power wheel 29.

The utility model discloses a theory of operation is:

through the rotation of power runner 29, pulling elevator hawser 30 for to pouring weight 27 and elevator car 4 carry out the displacement, in elevator car 4 lift in-process, pulley 23 can make elevator car 4 reduce resistance and frictional force in the vertical direction removal in-process, pulley 23 matches with pulley guide slot 25 and suits, pulley guide slot 25 plays limiting displacement to pulley 23 and elevator car 4, leading draw 24 can make elevator car 4 not take place the skew, when elevator car 4 is at rated falling speed, elasticity act as go-between 21 can play the effect of blockking to metal ball 8, prevent that metal ball 8 from striking starting switch 9.

When the elevator takes place urgent whereabouts, when elevator car 4 is higher than rated falling speed, 8 metal balls strike starting switch 9, thereby make rotor 11 start, when elevator car 4 stops promptly, through the buffer effect of buffer block 22 to metal balls 8, prevent 8 metal balls secondary striking starting switch 9, when the directive wheel 12 rotates, make stay cord 17 tensile fast, can make scram board 15 stretch out elevator car 4 fast through spring 19 outside, scram board 15 and baffle 2 looks butt, baffle 2 reaches the purpose of supporting elevator car 4, thereby reach urgent stopping, avoid appearing the casualties when the elevator takes place the accident, the security performance is high.

When the elevator car 4 is stopped in an emergency, the metal ball 8 is prevented from hitting the start switch 9 again by the buffer action of the buffer block 22 on the metal ball 8.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms elevator shaft body 1, barrier 2, elevator shaft 3, elevator car 4, emergency stop starting chamber 5, car door 7, metal ball 8, starting switch 9, rotating chamber 10, rotator 11, rotating wheel 12, rope groove 13, sliding groove 14, emergency stop plate 15, circular rope groove 16, stay rope 17, stopper 18, spring 19, stay rope stopper groove 20, elastic stay rope 21, buffer block 22, pulley 23, guide slip 24, pulley guide groove 25, counterweight guide groove 26, counterweight 27, top plate 28, power wheel 29, elevator rope 30, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides an emergency stop device for elevator, includes elevartor shaft main part (1), its characterized in that, elevartor shaft main part (1) in be provided with a plurality of baffles (2) along elevartor shaft main part (1) centerline symmetry, elevartor shaft main part (1) in be equipped with elevator well (3), elevator well (3) in be equipped with elevator car (4) that can follow vertical direction reciprocating linear motion, elevator car (4) bottom be equipped with start chamber (5), start chamber (5) in be equipped with can follow vertical direction reciprocating linear motion's metal ball (8), metal ball (8) top be equipped with a plurality of sudden stop plates (15) that can follow horizontal direction reciprocating linear motion along start chamber (5) center department symmetry, sudden stop plates (15) corresponding with the position of baffle (2), elevator car (4) in be provided with two along elevator car (4) centerline symmetry and can follow horizontal direction reciprocating linear motion A car door (7) moving linearly.

2. The emergency stop device for an elevator according to claim 1, wherein the two ends of the emergency stop plate (15) are connected with limit blocks (18), the end parts of the limit blocks (18) are connected with springs (19), and the emergency stop plate (15) can be in abutting fit with the baffle plate (2).

3. The emergency stop device for elevator according to claim 2, wherein the top of the actuating chamber (5) is provided with an actuating switch (9), the top of the actuating chamber (5) is connected with a rotating chamber (10), a rotator (11) connected with the actuating switch (9) is arranged in the rotating chamber (10), and a rotating wheel (12) is connected to the rotating shaft of the rotator (11).

4. The emergency stop device for elevator according to claim 3, wherein the side of the rotating chamber (10) is connected with a plurality of rope grooves (13) symmetrical along the center of the rotating chamber (10), one side of the rope grooves (13) far away from the rotating chamber (10) is connected with a sliding groove (14), the emergency stop plate (15) is positioned in the sliding groove (14), and the emergency stop plate (15) corresponds to the position of the rotating wheel (12).

5. The emergency stop device for the elevator according to claim 4, wherein two circular rope grooves (16) are formed in the rotating wheel (12) and are symmetrical along a center line of the rotating wheel (12), each of the two circular rope grooves (16) is provided with a rope (17) wound in opposite directions, and an end of the rope (17) is connected with an end of the emergency stop plate (15) on a side close to the rotating cavity (10).

6. The emergency stop device for the elevator according to claim 5, wherein the side of the start chamber (5) is connected with a plurality of stay wire limiting grooves (20) which are symmetrical along the center line of the start chamber (5), the metal ball (8) is connected with a plurality of elastic stay wires (21) which are symmetrical along the center line of the metal ball (8), the bottom of the start chamber (5) is provided with a buffer block (22), the end of the elastic stay wire (21) is connected with the buffer block (22), and the buffer block (22) corresponds to the metal ball (8).

7. The emergency stop device for elevator according to claim 1, wherein a plurality of pulleys (23) are provided at both ends of the elevator car (4) and are symmetrical along the center line of the elevator car (4), a slide guide bar (24) is provided in the elevator shaft body (1) and is symmetrical along the center line of the elevator shaft body (1), and the slide guide bar (24) corresponds to the position of the pulley (23).

8. Emergency stop device for elevator according to claim 7, characterized in that several pulley guide grooves (25) are provided in the guide runner (24), and the pulleys (23) correspond to the positions of the pulley guide grooves (25).

9. The emergency stop apparatus for an elevator according to claim 1, wherein a counterweight guide groove (26) is provided in the elevator shaft body (1), and a counterweight block (27) which can reciprocate linearly in a vertical direction is provided in the counterweight guide groove (26).

10. The emergency stop device for elevator according to claim 9, wherein the top of the elevator shaft body (1) is provided with a top plate (28), the top plate (28) is provided with a power wheel (29), the power wheel (29) is wound with an elevator rope (30), one end of the elevator rope (30) is connected with the top of the counterweight block (27), and the other end is connected with the top of the elevator car (4).