CN105668376A

CN105668376A - Elevator lifting device

Info

Publication number: CN105668376A
Application number: CN201610263289.5A
Authority: CN
Inventors: 高德峰; 付红伟; 王红; 张宏; 张涛; 肖莹; 王源磊
Original assignee: Huanghe Science and Technology College
Current assignee: Huanghe Science and Technology College
Priority date: 2016-04-26
Filing date: 2016-04-26
Publication date: 2016-06-15
Anticipated expiration: 2036-04-26
Also published as: CN105668376B

Abstract

The invention provides an elevator lifting device. The elevator lifting device comprises an elevator shaft, a transmission system used for lifting an elevator and anti-falling equipment, wherein the anti-falling equipment comprises a zigzag-type anti-falling track arranged in the elevator shaft, a track wheel sliding in the zigzag-type anti-falling track and an anti-falling rope of which the two ends are respectively hinged to the track wheel and the elevator, wherein a stop catch sheet is hinged to each turning part of the zigzag-type anti-falling track; the original states of the stop catch sheets are fitting the zigzag-type anti-falling track; speed sensors are uniformly distributed in the elevator shaft; a controller is connected with the speed sensors and the stop catch sheets to bring convenience for controlling the stop catch sheets to erect so as to stop the track wheel when speed abnormality is discovered. The elevator lifting device has the advantages of scientific design, good security and capability of preventing accidental falling.

Description

Elevator hoist apparatus

Technical field

The present invention relates to a kind of lift facility, specifically, relate to a kind of elevator hoist apparatus.

Background technology

The current generally vertical lifting of elevator lifting system, also generally adopting counterweight in fall arrest, or the friction of contact surface realizes the operation of urgent jerk, jerk operation in vertical direction is very difficult, the frictional force needed is huge, fall arrest weak effect.

In order to solve above Problems existing, people are seeking a kind of desirably technical solution always.

Summary of the invention

It is an object of the invention to for the deficiencies in the prior art, thus a kind of design science is provided, safety is good, prevent the elevator hoist apparatus of accidental falling.

To achieve these goals, the technical solution adopted in the present invention is: a kind of elevator hoist apparatus, including elevator hoistways, drive system and arrest devices for hoisting elevator, wherein, described arrest devices includes the anti-fall track of zig-zag type being arranged in described elevator hoistways, slide on the rail wheel in the anti-fall track of described zigzag and two ends are respectively articulated with described rail wheel and the fall prevention rope of described elevator, each break-in place of the anti-fall track of described zigzag is hinged with stop tab, the original state of described stop tab is the laminating anti-fall track of described zigzag, it is evenly equipped with velocity sensor in described elevator hoistways, controller connects described velocity sensor and described stop tab respectively to control described stop tab when finding velocity anomaly holding up rail wheel described in backstop.

Described on base, non-break-in place of the anti-fall track of described zigzag is evenly equipped with some described stop tab.

Described on base, break-in place of the anti-fall track of described zigzag is arcuate structure.

Described on base, described elevator hoistways includes the vertical track that the four side of corresponding described elevator is arranged, arranging electric magnet on each side of described elevator and on corresponding vertical track, described controller connects described electric magnet to start described electric magnet when finding velocity anomaly.

Hinge structure of the present invention has prominent substantive distinguishing features and significant progressive, specifically, the present invention arranges anti-fall track in a zigzag, the anti-fall track of this zigzag does not affect the properly functioning of elevator hoistways, can be arranged in the space that each side of elevator is corresponding, during elevator lifting, elevator drives fall prevention rope and rail wheel edge track travel in a zigzag, once fall, on the one hand, in a zigzag the transverse component of track can the speed of buffer falling, extend the duration declined, on the other hand, the speed per hour that controller Negotiation speed sensor detects judges occur extremely, control stop tab to hold up, block the rail wheel on zigzag track, thus preventing falling of elevator, even if speed is excessive, stop tab is knocked down, the deceleration layer by layer of the stop tab of each break-in place, it also is able to the greatest extent farthest alleviate the falling accident consequence of elevator.

Further, in order to reduce the requirement of strength for stop tab, being also provided with stop tab in non-break-in place, by the as far as possible many tenesmus that stop tab is elevator bufferings, until stopping, playing better anti-fall effect.

Further, corresponding elevator setting electric magnet in vertical track, it is energized to obtain the characteristic of magnetic force by electric magnet, increases resistance for elevator tenesmus, further strengthen the anti-fall ability of elevator.

The advantage that it has design science, safety is good, prevent accidental falling.

Accompanying drawing explanation

Fig. 1 is the structural representation of elevator hoist apparatus in the present invention.

In figure: 1. elevator hoistways; 2. the anti-fall track of zigzag; 3. rail wheel; 4. fall prevention rope; 5. stop tab; 6. velocity sensor; 7. elevator; 8. electric magnet.

Detailed description of the invention

Below by detailed description of the invention, technical scheme is described in further detail.

As shown in Figure 1, a kind of elevator hoist apparatus, including elevator hoistways 1, drive system and arrest devices for hoisting elevator, wherein, described arrest devices includes the anti-fall track 2 of zig-zag type being arranged in described elevator hoistways 1, slide on the rail wheel 3 in the anti-fall track of described zigzag 2 and two ends are respectively articulated with the fall prevention rope 4 of described rail wheel 3 and described elevator 7, each break-in place of the anti-fall track 2 of described zigzag is hinged with stop tab 5, the original state of described stop tab 5 is the laminating anti-fall track 2 of described zigzag, it is evenly equipped with velocity sensor 6 in described elevator hoistways 1, controller connects described velocity sensor 6 and described stop tab 5 respectively to control described stop tab 5 when finding velocity anomaly holding up rail wheel described in backstop. break-in place of the anti-fall track 2 of described zigzag is arcuate structure.

Anti-fall track 2 does not affect the properly functioning of elevator hoistways 1 in a zigzag, can be arranged in the space that each side of elevator 7 is corresponding, when elevator 7 lifts, elevator 7 drives fall prevention rope 4 and rail wheel 3 along zigzag track travel, once fall, on the one hand, in a zigzag the transverse component of anti-fall track 2 can the speed of buffer falling, extend the duration declined, on the other hand, the speed per hour that controller Negotiation speed sensor 6 detects judges occur extremely, control stop tab 5 to hold up, block the rail wheel 3 on the anti-fall track 2 of zigzag, thus preventing falling of elevator 7, even if speed is excessive, stop tab 5 is knocked down, the deceleration layer by layer of the stop tab 5 of each break-in place, it also is able to the greatest extent farthest alleviate the falling accident consequence of elevator 7, in the present embodiment, requirement of strength for stop tab 5 is higher.

In other embodiments, it is distinctive in that with above example: non-break-in place of the anti-fall track of described zigzag is evenly equipped with some described stop tab. In order to reduce the requirement of strength for stop tab, being also provided with stop tab in non-break-in place, by the as far as possible many tenesmus that stop tab is elevator bufferings, until stopping, playing better anti-fall effect.

For better elevating fall prevention ability, described elevator hoistways 1 includes the vertical track that the four side of corresponding described elevator is arranged, arranging electric magnet 8 on each side of described elevator and on corresponding vertical track, described controller connects described electric magnet to start described electric magnet 8 when finding velocity anomaly. It is energized to obtain the characteristic of magnetic force by electric magnet 8, increases resistance for elevator tenesmus, further strengthen the anti-fall ability of elevator.

Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit; Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement; Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed.

Claims

1. an elevator hoist apparatus, it is characterized in that: it includes elevator hoistways, drive system and arrest devices for hoisting elevator, wherein, described arrest devices includes the anti-fall track of zig-zag type being arranged in described elevator hoistways, slide on the rail wheel in the anti-fall track of described zigzag and two ends are respectively articulated with the fall prevention rope of described rail wheel and elevator, each break-in place of the anti-fall track of described zigzag is hinged with stop tab, the original state of described stop tab is the laminating anti-fall track of described zigzag, it is evenly equipped with velocity sensor in described elevator hoistways, controller connects described velocity sensor and described stop tab respectively to control described stop tab when finding velocity anomaly holding up rail wheel described in backstop.

2. elevator hoist apparatus according to claim 1, it is characterised in that: non-break-in place of the anti-fall track of described zigzag is evenly equipped with some described stop tab.

3. elevator hoist apparatus according to claim 1 and 2, it is characterised in that: break-in place of the anti-fall track of described zigzag is arcuate structure.

4. elevator hoist apparatus according to claim 1 and 2, it is characterized in that: described elevator hoistways includes the vertical track that the four side of corresponding described elevator is arranged, arranging electric magnet on each side of described elevator and on corresponding vertical track, described controller connects described electric magnet to start described electric magnet when finding velocity anomaly.

5. elevator hoist apparatus according to claim 3, it is characterized in that: described elevator hoistways includes the vertical track that the four side of corresponding described elevator is arranged, arranging electric magnet on each side of described elevator and on corresponding vertical track, described controller connects described electric magnet to start described electric magnet when finding velocity anomaly.