CN109516332B

CN109516332B - Cage anti-falling net bag

Info

Publication number: CN109516332B
Application number: CN201811519770.1A
Authority: CN
Inventors: 徐晖
Original assignee: Zhejiang Jingtan Technology Co Ltd
Current assignee: Zhejiang Jingtan Technology Co., Ltd
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-06-12
Anticipated expiration: 2038-12-12
Also published as: CN109516332A

Abstract

The invention discloses a car anti-falling net bag, wherein the bottom end of a car is provided with the net bag, a sliding rail and a speed sensor are arranged in an elevator shaft, the number of the sliding rail is four, a first mounting frame is arranged on the sliding rail, a roller is arranged in the first mounting frame, the roller is in close contact with the sliding rail, the roller is rotatably connected with the first mounting frame through a rotating shaft, the roller comprises a driving wheel and a driven wheel, the driving wheel is positioned on the outer side of the sliding rail, rotating shafts of the driving wheel on the left side and the right side are connected through a connecting rod, the first mounting frame on the left side is provided with a motor. When falling into the well, the speed sensor senses that the lift car falls into the box, the controller controls the motor to brake, the net bag does not fall, the lift car is held by the net bag, the lift car is prevented from falling, and safety and reliability are achieved.

Description

Cage anti-falling net bag

Technical Field

The invention relates to the technical field of elevators, in particular to an anti-falling net bag for a lift car.

Background

The elevator is convenient for people to go out daily and is well known by people. At present, most of the working principles of elevators are that a traction machine is arranged at the uppermost part of an elevator shaft, and a traction rope connected with a car is collected and released through the traction machine so as to realize the up-and-down motion of the car.

The existing elevator car falls down without a good protection device, and can cause great casualties.

Disclosure of Invention

The invention aims to solve the problems and provides a cage falling prevention net bag which can well slow down the falling speed of a cage when the cage falls into a well.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a car prevents weighing down the string bag, the car bottom is equipped with the string bag, be equipped with slide rail and speed inductor in the elevartor shaft, the slide rail is equipped with four, be equipped with first mounting bracket on the slide rail, be equipped with the gyro wheel in the first mounting bracket, gyro wheel and slide rail in close contact with, the gyro wheel rotates through pivot and first mounting bracket to be connected, the gyro wheel includes the action wheel and follows the driving wheel, the action wheel is located the slide rail outside, the left and right sides action wheel pivot is passed through the connecting rod and is connected, be equipped with the motor on the first mounting bracket in left side, the motor output.

Furthermore, four slide rails are respectively positioned at four corners of the elevator shaft, and the slide rails are T-shaped.

Furthermore, the outer cylindrical surfaces of the driving wheel and the driven wheel are wrapped with a layer of rubber layer.

Furthermore, the lower end of the first mounting frame is provided with a lifting ring, and the rope is connected with the lifting ring through a lock catch.

Further, the car upper end is equipped with the second mounting bracket, is equipped with the damping wheel in the second mounting bracket, damping wheel and slide rail in close contact with.

Further, a connecting plate is arranged at the lower end of the second mounting frame, and the second mounting frame is fixed to the top end of the lift car through the connecting plate.

The invention has the beneficial effects that:

1. the net bag is arranged at the bottom end of the lift car, the sliding rail and the speed sensor are arranged in the elevator shaft, the speed sensor senses that the speed of the lift car is normal under normal conditions and transmits signals to the controller, the controller controls the motor to operate normally, the motor drives the net bag to move up and down along with the lift car, when falling occurs, the speed sensor senses that the lift car falls into the car, the controller controls the motor to brake, the net bag does not fall, the lift car is prevented from falling through the net bag, and the safety and reliability are achieved.

2. The net bag can lift along with the lifting of the lift car, and when a shaft falling accident happens, the net bag can timely prevent the lift car from falling, so that the falling impact force of the lift car is reduced, and the practicability is good.

3. The second mounting frame is arranged at the upper end of the lift car, the damping wheel is arranged in the second mounting frame and is in close contact with the sliding rail, when the speed sensor detects that the lift car falls down, a signal is transmitted to the controller, and the rotating resistance of the damping wheel is increased through the controller, so that the falling speed of the lift car is reduced, and the safety and the reliability are realized.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a damping wheel according to the present invention;

FIG. 4 is a schematic view of a damping wheel structure according to the present invention.

In the figure: car 1, string bag 2, slide rail 3, rope 4, first mounting bracket 5, action wheel 6, pivot 7, follow driving wheel 8, connecting rod 9, motor 10, reduction gear 11, rings 12, hasp 13, second mounting bracket 14, damping wheel 15, connecting plate 16.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment 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 fig. 1-4, a net bag is prevented weighing down by car, 1 bottom of car is equipped with net bag 2, be equipped with slide rail 3 and speed inductor in the elevartor shaft, the picture is not seen, slide rail 3 is equipped with four, be equipped with first mounting bracket 5 on the slide rail 3, be equipped with the gyro wheel in the first mounting bracket 5, gyro wheel and 3 in close contact with of slide rail, the gyro wheel rotates with first mounting bracket 5 through pivot 7 and is connected, the gyro wheel includes action wheel 6 and follows driving wheel 8, action wheel 6 is located the 3 outsides of slide rail, 6 pivots of left and right sides action wheel are passed through connecting rod 9 and are connected, be equipped with motor 10 on the first mounting bracket 5 in left side, the output of motor 10 passes through reduction gear 11 and is connected. Under the normal condition, the speed sensor senses that the speed of the lift car 1 is normal and transmits a signal to the controller, the controller controls the motor 10 to normally operate, the motor 10 drives the net bag 2 to move up and down along with the lift car 1, when falling into a well occurs, the speed sensor senses that the lift car 1 falls into the box, the controller controls the motor 10 to brake, the net bag 2 does not fall, the lift car 1 is trapped by the net bag, the lift car is prevented from falling, and the safety and reliability are realized; because the net bag 2 goes up and down along with the lift of the car 1, when the falling accident happens, the net bag 2 can timely prevent the car 1 from falling, the falling impact force of the car 1 is reduced, and the practicability is good.

Four slide rails 3 are respectively located four corners of elevator shaft, and slide rails 3 are T-shaped.

The outer cylindrical surfaces of the driving wheel 6 and the driven wheel 8 are wrapped with a layer of rubber layer.

The lower end of the first mounting frame 5 is provided with a lifting ring 12, and the rope 4 is connected with the lifting ring 12 through a lock catch 13.

1 upper end of car is equipped with second mounting bracket 14, is equipped with damping wheel 15 in the second mounting bracket 14, and damping wheel 15 and slide rail 3 in close contact with, and the rotation resistance size of damping wheel 15 is adjustable, and this is prior art, does not do too much to describe here. When the speed sensor detects that the car falls down, the signal is transmitted to the controller, and the rotation resistance of the damping wheel 15 is increased through the controller, so that the falling speed of the car is reduced, and the safety and the reliability are realized.

The lower end of the second mounting frame 14 is provided with a connecting plate 16, and the second mounting frame 14 is fixed at the top end of the car 1 through the connecting plate 16.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A cage anti-falling net bag is characterized in that a net bag (2) is arranged at the bottom end of a cage (1), slide rails (3) and a speed sensor are arranged in an elevator shaft, four slide rails (3) are arranged, a first mounting frame (5) is arranged on each slide rail (3), rollers are arranged in the first mounting frame (5), the rollers are in close contact with the slide rails (3), the rollers are rotatably connected with the first mounting frame (5) through rotating shafts (7), each roller comprises a driving wheel (6) and a driven wheel (8), the driving wheels (6) are positioned on the outer sides of the slide rails (3), rotating shafts of the driving wheels (6) on the left side and the right side are connected through a connecting rod (9), a motor (10) is arranged on the first mounting frame (5) on the left side, the output end of the motor (10) is connected with the connecting rod (9) through a speed reducer (11), a second mounting frame (14, damping wheel (15) and slide rail (3) in close contact with are connected through rope (4) and first mounting bracket (5) on string bag (2) four angles.

2. The cage anti-falling net bag according to claim 1, wherein four sliding rails (3) are respectively positioned at four corners of an elevator shaft, and the sliding rails (3) are T-shaped.

3. The cage anti-falling net bag as claimed in claim 1, wherein the outer cylindrical surfaces of the driving wheel (6) and the driven wheel (8) are wrapped with a rubber layer.

4. The cage anti-falling net bag according to claim 1, wherein a lifting ring (12) is arranged at the lower end of the first mounting frame (5), and the rope (4) is connected with the lifting ring (12) through a lock catch (13).

5. A cage anti-falling net according to claim 1, characterized in that the lower end of the second mounting frame (14) is provided with a connecting plate (16), and the second mounting frame (14) is fixed on the top end of the cage (1) through the connecting plate (16).