阅读说明：本技术 一种电梯意外坠落保护装置 (Accidental falling protection device for elevator ) 是由 唐中华 宋立朋 于 2021-06-24 设计创作，主要内容包括：本发明提供一种电梯意外坠落保护装置,包括电梯轿厢,侧边防滑落装置,顶部辅助腔,安装底座,牵引钢缆,限速轴,限速电机,安装箍和底部防坠装置,其中：侧边防滑落装置通过螺栓安装在电梯轿厢的外侧,且顶部辅助腔通过螺栓安装在电梯轿厢的顶部,该安装底座通过螺栓安装在顶部辅助腔的上方；所述牵引钢缆安装在安装底座的上方,并缠绕在限速轴的表面,且限速轴通过螺栓安装在安装箍的内侧,该限速电机通过安装箍安装在电梯井的内部；所述底部防坠装置通过螺栓安装在电梯轿厢的底部。本发明侧边防滑落装置,顶部辅助腔和底部防坠装置的设置,不存在安全隐患,可以快速的减速停止。(The invention provides an accidental falling protection device for an elevator, which comprises an elevator car, a side anti-slipping device, a top auxiliary cavity, a mounting base, a traction steel cable, a speed limiting shaft, a speed limiting motor, a mounting hoop and a bottom anti-falling device, wherein: the side anti-slipping device is installed on the outer side of the elevator car through a bolt, the top auxiliary cavity is installed on the top of the elevator car through a bolt, and the installation base is installed above the top auxiliary cavity through a bolt; the traction steel cable is arranged above the mounting base and wound on the surface of the speed-limiting shaft, the speed-limiting shaft is arranged on the inner side of the mounting hoop through a bolt, and the speed-limiting motor is arranged in the elevator shaft through the mounting hoop; the bottom anti-falling device is installed at the bottom of the elevator car through a bolt. According to the side anti-slipping device, the top auxiliary cavity and the bottom anti-slipping device are arranged, so that potential safety hazards do not exist, and the device can be decelerated and stopped quickly.)

1. The utility model provides an elevator accident protection device that falls which characterized in that: including elevator car (1), side antiskid device (2) that falls, supplementary chamber in top (3), installation base (4), traction cable (5), speed limit axle (6), speed limit motor (7), installation hoop (8) and bottom anti-falling device (9), wherein: the side anti-slipping device (2) is mounted on the outer side of the elevator car (1) through a bolt, the top auxiliary cavity (3) is mounted on the top of the elevator car (1) through a bolt, and the mounting base (4) is mounted above the top auxiliary cavity (3) through a bolt; the traction steel cable (5) is arranged above the mounting base (4) and wound on the surface of the speed-limiting shaft (6), the speed-limiting shaft (6) is arranged on the inner side of the mounting hoop (8) through a bolt, and the speed-limiting motor (7) is arranged inside the elevator shaft through the mounting hoop (8); the bottom anti-falling device (9) is installed at the bottom of the elevator car (1) through bolts.

2. The elevator accidental fall protection device of claim 1, characterized in that: the side anti-slipping device (2) comprises an outer side connecting shell (21), an expansion air cushion (22) and a protruding friction plate (23), wherein the expansion air cushion (22) is bonded inside the outer side connecting shell (21), and the periphery of the protruding friction plate (23) is installed on the outer side of the outer side connecting shell (21) through bolts.

3. The elevator accidental fall protection device of claim 1, characterized in that: the top auxiliary cavity (3) comprises an outer side supporting box (31), a compressed gas tank (32) and a gas transmission pipe (33), the compressed gas tank (32) is placed inside the outer side supporting box (31) through a buckle, and the gas transmission pipe (33) is connected with the compressed gas tank (32) through threads.

4. The elevator accidental fall protection device of claim 1, characterized in that: the bottom anti-falling device (9) comprises a pressure bearing support body (91), an electric push rod (92) and a friction area (93), the electric push rod (92) is installed inside the pressure bearing support body (91) through a bolt, and the friction area (93) is installed at one end of the electric push rod (92) through threads.

5. The elevator accidental fall protection device of claim 1, characterized in that: the side anti-slipping device (2) comprises three groups which are respectively positioned at two sides and the rear part of the elevator car (1), protruding friction plates (23) in the side anti-slipping device (2) are made of aluminum metal plates, and the protruding friction plates (23) in the side anti-slipping device (2) are sunken inwards; the expansion air cushion (22) in the side anti-slip device (2) is connected with a compressed gas tank (32) through a pipeline.

6. The elevator accidental fall protection device of claim 1, characterized in that: the top auxiliary cavity (3) is made of a steel metal box, a rectangular space is reserved inside the top auxiliary cavity (3), a plurality of compressed gas tanks (32) are stored in the space inside the top auxiliary cavity (3), and the compressed gas tanks (32) inside the top auxiliary cavity (3) can be opened through electromagnetic valves.

7. The elevator accidental fall protection device of claim 1, characterized in that: the bottom anti-falling device (9) is a steel metal box, the friction areas (93) in the bottom anti-falling device (9) are divided into two groups, the directions of the friction areas are opposite, and the friction areas (93) in the bottom anti-falling device (9) can extend out or retract.

Technical Field

The invention belongs to the technical field of elevator safety, and particularly relates to an accidental falling protection device for an elevator.

Background

The car is a box-shaped space used by elevators to carry and transport people and materials. The car is generally composed of main components such as a car bottom, a car wall, a car roof, a car door and the like. Is a body part of an elevator for carrying passengers or cargo and other loads. Suspended ceilings are typically of specular stainless steel material; the car bottom is a PVC marble floor with the thickness of 2mm or a marble parquet with the thickness of 20 mm.

The inside net height of car should not be less than 2m, and the net height that user normally got in and out the car entry should not be less than 2m, and to the recess and the bulge of car, whether it has the protection of independent door yet, all must count into when calculating the biggest effective area of car, and when the door was closed, any effective area of car entry also should be counted into, but current car elevator still has the potential safety hazard, the problem that can't quick speed reduction stops.

Therefore, the invention is very necessary to provide an accidental falling protection device for the elevator.

Disclosure of Invention

In order to solve the technical problems, the invention provides an accidental falling protection device for an elevator, which aims to solve the problems that the conventional car elevator still has potential safety hazards and cannot be quickly decelerated and stopped. The utility model provides an elevator accident protection device that falls, includes elevator car, side antiskid device that falls, the supplementary chamber in top, the installation base, pulls the steel cable, the speed limit axle, the speed-limiting motor, installation hoop and bottom anti-falling device, wherein: the side anti-slipping device is installed on the outer side of the elevator car through a bolt, the top auxiliary cavity is installed on the top of the elevator car through a bolt, and the installation base is installed above the top auxiliary cavity through a bolt; the traction steel cable is arranged above the mounting base and wound on the surface of the speed-limiting shaft, the speed-limiting shaft is arranged on the inner side of the mounting hoop through a bolt, and the speed-limiting motor is arranged in the elevator shaft through the mounting hoop; the bottom anti-falling device is installed at the bottom of the elevator car through a bolt.

The side anti-slip device comprises an outer side connecting shell, an expansion air cushion and a protruding friction plate, wherein the expansion air cushion is bonded in the outer side connecting shell, and the periphery of the protruding friction plate is arranged on the outer side of the outer side connecting shell through bolts.

The top auxiliary chamber comprises an outer side supporting box, a compressed gas tank and a gas transmission pipe, wherein the compressed gas tank is placed inside the outer side supporting box through a buckle, and the gas transmission pipe is connected with the compressed gas tank through threads.

The bottom anti-falling device comprises a pressure bearing support body, an electric push rod and a friction area, the electric push rod is installed in the pressure bearing support body through a bolt, and the friction area is installed at one end of the electric push rod through threads.

The side anti-slipping devices are arranged in three groups and are respectively positioned at two sides and the rear part of the elevator car, protruding friction plates in the side anti-slipping devices are made of aluminum metal plates, and the protruding friction plates in the side anti-slipping devices are inwards sunken; the expansion air cushion in the side anti-slip device is connected with the compressed gas tank through a pipeline, so that the expansion air cushion can be inflated to push the protruding friction plate to be arched outwards when the elevator slides down uncontrollably, and the expansion air cushion rubs against the external elevator shaft to play a role in speed reduction.

The top auxiliary cavity is made of a steel metal box, a rectangular space is reserved inside the top auxiliary cavity, a plurality of compressed gas tanks are stored in the space inside the top auxiliary cavity, the compressed gas tanks inside the top auxiliary cavity can be opened through electromagnetic valves, the suspension device is favorable for suspending the compressed gas tanks, the compressed gas tanks can be used for storing a large amount of compressed air, the compressed gas tanks can be placed in enough positions, and pipelines are arranged inside the top auxiliary cavity and used for gas transmission.

The bottom anti-falling device adopts the steel metal case, and the inside friction area of bottom anti-falling device adopts a plurality ofly to divide into two sets ofly, the orientation is opposite between it, and the inside friction area of this bottom anti-falling device can outwards stretch out or retract, is favorable to taking place the messenger that falls of faster speed at the elevator, and bottom anti-falling device just outwards releases the friction area and supports the elevartor shaft, makes the fast deceleration of elevator can, and slowly stops.

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

1. the arrangement of the side anti-slipping device is beneficial to inflating the expansion air cushion when the elevator slides down uncontrollably, so that the expansion air cushion pushes the protruding friction plate to arch outwards, and the protruding friction plate rubs the outside elevator shaft to play a role in reducing the speed.

2. The arrangement of the top auxiliary cavity is beneficial to the suspension of the invention, is used for storing a large amount of compressed air, and enables the compressed gas tank to have enough position for placing, and the inside of the top auxiliary cavity is provided with a pipeline for the transmission of gas.

3. The arrangement of the bottom anti-falling device is beneficial to the rapid falling of the elevator, and the bottom anti-falling device is pushed out of the friction area to abut against the elevator shaft, so that the elevator can be rapidly decelerated and slowly stopped.

Drawings

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

Fig. 2 is a schematic structural view of the upper part of the present invention.

Fig. 3 is a schematic structural view of the side anti-slip device of the present invention.

Fig. 4 is a schematic structural view of the top auxiliary chamber of the present invention.

FIG. 5 is a schematic view of the bottom fall arrest device of the present invention.

In the figure:

1-elevator car, 2-side anti-slipping device, 21-outer connecting shell, 22-expansion air cushion, 23-protruding friction plate, 3-top auxiliary cavity, 31-outer supporting box, 32-compressed gas tank, 33-gas transmission pipe, 4-mounting base, 5-traction steel cable, 6-speed limiting shaft, 7-speed limiting motor, 8-mounting hoop, 9-bottom anti-slipping device, 91-pressure bearing support body, 92-electric push rod and 93-friction area.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

As shown in figures 1 to 5.

The invention provides an accidental falling protection device for an elevator, which comprises an elevator car 1, a side anti-falling device 2, a top auxiliary cavity 3, a mounting base 4, a traction steel cable 5, a speed-limiting shaft 6, a speed-limiting motor 7, a mounting hoop 8 and a bottom anti-falling device 9, wherein: the side anti-slip device 2 is installed on the outer side of the elevator car 1 through a bolt, the top auxiliary cavity 3 is installed on the top of the elevator car 1 through a bolt, and the installation base 4 is installed above the top auxiliary cavity 3 through a bolt; the traction steel cable 5 is arranged above the mounting base 4 and wound on the surface of the speed-limiting shaft 6, the speed-limiting shaft 6 is arranged on the inner side of the mounting hoop 8 through a bolt, and the speed-limiting motor 7 is arranged in the elevator shaft through the mounting hoop 8; the bottom anti-falling device 9 is installed at the bottom of the elevator car 1 through bolts.

The side anti-slip device 2 comprises an outer connecting shell 21, an expansion air cushion 22 and a protruding friction plate 23, wherein the expansion air cushion 22 is bonded inside the outer connecting shell 21, and the periphery of the protruding friction plate 23 is installed on the outer side of the outer connecting shell 21 through bolts.

The top auxiliary chamber 3 comprises an outer support box 31, a compressed gas tank 32 and a gas transmission pipe 33, and the compressed gas tank 32 is placed inside the outer support box 31 by snap-fitting, and the gas transmission pipe 33 is connected with the compressed gas tank 32 by screw-fitting.

The bottom anti-falling device 9 comprises a pressure bearing support body 91, an electric push rod 92 and a friction area 93, wherein the electric push rod 92 is installed inside the pressure bearing support body 91 through a bolt, and the friction area 93 is installed at one end of the electric push rod 92 through threads.

The invention provides an accidental falling protection device for an elevator, wherein an elevator car 1 is used for taking people; the side anti-slip devices 2 are arranged in three groups and are respectively positioned at two sides and the rear part of the elevator car 1, protruding friction plates 23 in the side anti-slip devices 2 are made of aluminum metal plates, and the protruding friction plates 23 in the side anti-slip devices 2 are inwards sunken; the expansion air cushion 22 in the side anti-slipping device 2 is connected with the compressed gas tank 32 through a pipeline, so that when the elevator slides down uncontrollably, the expansion air cushion 22 can be inflated to push the protruding friction plate 23 to arch outwards, so that the protruding friction plate 23 rubs against an external elevator shaft to play a role in reducing speed; the top auxiliary cavity 3 is made of a steel metal box, a rectangular space is reserved inside the top auxiliary cavity 3, a plurality of compressed gas tanks 32 are stored in the space inside the top auxiliary cavity 3, the compressed gas tanks 32 inside the top auxiliary cavity 3 can be opened through electromagnetic valves, the suspension device is favorable for suspending the gas tank, the compressed gas tanks 32 are used for storing a large amount of compressed air, the compressed gas tanks 32 have enough positions to be placed, and pipelines are arranged inside the top auxiliary cavity 3 and used for gas transmission; the mounting base 4 is used for mounting a traction steel cable 5; the speed-limiting shaft 6 and the speed-limiting motor 7 are used for limiting the speed of the traction steel cable 5; bottom anti-falling device 9 adopts the steel metal case, and the inside friction area 93 of bottom anti-falling device 9 adopts a plurality ofly to divide into two sets ofly, the orientation is opposite between it, and this inside friction area 93 of bottom anti-falling device 9 can outwards stretch out or retract, is favorable to taking place the messenger that falls of faster speed at the elevator, and bottom anti-falling device 9 just outwards releases friction area 93 and supports the elevartor shaft, makes the slowdown that the elevator can be quick, and slowly stops.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.