CN211141209U

CN211141209U - Elevator anti-falling device and elevator

Info

Publication number: CN211141209U
Application number: CN201921860057.3U
Authority: CN
Inventors: 徐友红
Original assignee: Guangdong Great Wall Elevator Co ltd
Current assignee: Guangdong Great Wall Elevator Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-31
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an elevator anti-falling device and an elevator, which comprises a well and a car, wherein a pair of gears with the same structure are movably sleeved at the other end of a supporting rod and are meshed with a pair of racks, and a pair of braking structures with the same structure are fixedly arranged at two sides of the car; the utility model relates to an elevator technical field, this device is rational in infrastructure, the security performance is high, the brake speed is fast, draw the structure through power, the cooperation of rack and gear can make the car carry out the even running from top to bottom in the well, when the rotational speed tachymeter detected the rotational speed of gear and exceeded the value of settlement, cooperation through electronic jar and braking plate in the braking structure can make the car card die in the twinkling of an eye, prevent that it from continuing to fall, effectual solved when the elevator meet the problem that can't guarantee passenger's safety in elevator and the elevator under the power failure or the outage circumstances.

Description

Elevator anti-falling device and elevator

Technical Field

The utility model relates to an elevator technical field specifically is an elevator anti-falling device and elevator.

Background

Elevators have become essential people-carrying lifting devices for high-rise buildings in modern society, and vertical lift elevators have a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °.

At present, the elevator has the advantages of reliable lifting, high conveying efficiency, accurate leveling, comfortable riding and the like, but still has the accidents of falling of a plurality of elevators, and if the elevator is provided with a safety device before the occurrence of the accidents, the loss can be greatly reduced, and the life and property safety of people can be saved.

In summary, technical problems to be solved by those skilled in the art are needed to provide a fall-prevention safety device for an elevator, which can ensure the safety of the elevator and passengers in the elevator even in the case of power failure or power outage.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an elevator anti-falling device and elevator.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an elevator anti-falling device and an elevator comprise a well and a car, wherein the car is connected with the well through a power traction structure, a pair of racks with the same structure is fixedly mounted on the inner side of the well, a pair of supporting rods with the same structure are fixedly mounted on two sides of a car body, a pair of gears with the same structure is movably sleeved at the other ends of the supporting rods and meshed with the pair of racks, and a pair of braking structures with the same structure is fixedly mounted on two sides of the car;

the braking structure includes: the brake device comprises a fixed plate, a slide rail, a pair of first springs with the same structure, a fixed box, an electric cylinder, a brake plate and a storage battery;

the fixed plate is fixedly arranged on one side of the car, the slide rail is fixedly arranged on one side of the car, the lower end of the slide rail is fixedly arranged on the upper wall surface of the fixed plate, one end of the first spring is fixedly arranged on the upper wall surface of the fixed plate, the fixed box is fixedly arranged on the other end of the first spring and movably embedded in the slide rail, a through hole is formed in one side of the fixed box, the electric cylinder is fixedly embedded in one side of the fixed box, the driving end of the electric cylinder movably penetrates through the through hole of the fixed box, the brake plate is fixedly arranged on the driving end of the electric cylinder, and the storage battery is fixedly arranged on the upper wall.

Preferably, a rotating speed velocimeter is fixedly mounted on the front wall surface of the gear on the left side, and the rotating speed velocimeter is connected with the storage battery.

Preferably, teeth are fixedly mounted on one side of the brake plate and meshed with the pair of racks.

Preferably, a pair of said detent formations are symmetrically disposed.

Preferably, the connecting pieces are fixedly mounted at two ends of the pair of first springs.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this device is rational in infrastructure, the security performance is high, the brake speed is fast, draw the structure through power, the cooperation of rack and gear can make the car carry out the even running from top to bottom in the well, when the rotational speed tachymeter detected the rotational speed of gear and surpassed the value of settlement, cooperation through electronic jar in the braking structure and braking plate can make the car card dead in the twinkling of an eye, prevent that it from continuing to fall, the effectual problem of the personnel's of taking advantage of safety in elevator and the elevator of having an emergency and guaranteeing under the elevator meets the power failure or the outage circumstances of having an emergency is solved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the front view brake structure of the present invention;

fig. 3 is a schematic diagram of the a position amplifying structure of the present invention.

In the figure: 1. a hoistway; 2. a car; 3. a rack; 4. a support bar; 5. a gear; 6. a fixing plate; 7. a first spring; 8. a fixed box; 9. an electric cylinder; 10. a brake plate; 11. a storage battery; 12. a rotational speed velocimeter; 13. teeth; 14. connecting sheets; 15. a power traction structure; 16. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an elevator anti-falling device and an elevator comprise a well 1 and a car 2, wherein the car 2 is connected with the well 1 through a power traction structure 15, and the power traction structure 15 is a common means in the field, so that no further description is given, a pair of racks 3 with the same structure are fixedly arranged on the inner side of the well 1, a pair of support rods 4 with the same structure are fixedly arranged on two sides of a car 2 body, a pair of gears 5 with the same structure are movably sleeved at the other ends of the support rods 4 and are meshed with the racks 3, and a pair of braking structures with the same structure are fixedly arranged on two sides of the car 2; a braking structure, comprising: the brake device comprises a fixed plate 6, a slide rail 16, a pair of first springs 7 with the same structure, a fixed box 8, an electric cylinder 9, a brake plate 10 and a storage battery 11; the fixed plate 6 is fixedly arranged on one side of the lift car 2, the slide rail 16 is fixedly arranged on one side of the lift car 2, the lower end of the slide rail is fixedly arranged on the upper wall surface of the fixed plate 6, one end of the pair of first springs 7 is fixedly arranged on the upper wall surface of the fixed plate 6, the fixed box 8 is fixedly arranged on the other end of the pair of first springs 7 and is movably embedded in the slide rail 16, a through hole is formed in one side of the fixed box, the electric cylinder 9 is fixedly embedded on one side of the fixed box 8, the driving end of the electric cylinder is movably penetrated through the through hole of the fixed box 8, the brake plate 10 is fixedly arranged on the driving end of the electric cylinder 9, the storage battery 11 is fixedly arranged on the upper wall surface of the fixed box 8 and is connected with the electric cylinder 9, the lift car 2 can stably run up and down in the well 1 through the cooperation of the power, preventing it from continuing to fall.

Preferably, a tachometer 12 is fixedly mounted on the front wall surface of the left gear 5, the tachometer 12 is connected with the storage battery 11, and the tachometer 12 can measure the rotation speed of the gear 5 to determine whether the car 2 is in a falling state.

Preferably, teeth 13 are fixedly mounted on one side of the brake plate 10 and engaged with the pair of racks 3, so that the car 2 can be braked urgently by the teeth 13 of the brake plate 10.

Preferably, the pair of braking structures are symmetrically disposed.

Preferably, the pair of first springs 7 are fixedly provided with connecting pieces 14 at two ends: the connecting piece 14 serves to increase a contact area of the pair of first springs 14.

The following are the types and functions adopted by the electrical component in the present case:

an electric cylinder: an electric cylinder of FAI50 model is adopted and controlled by an external operating system, and the brake plate can be driven to move left and right.

A storage battery: the storage battery with the model of 3VBS150 is controlled by an external operating system, and can supply power to the electric cylinder.

The rotating speed velocimeter adopts a K L-0071 type rotating speed velocimeter, is controlled by an external operating system, and can measure the rotating speed of the gear.

All the electrical components and the adaptive power supply thereof in the present application are connected through a wire by a person skilled in the art, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequence.

Example (b): as shown in fig. 1-3, the car 2 can smoothly run up and down in the hoistway 1 through the cooperation of the power traction structure 15, the rack 3 and the gear 5, when the tachometer 12 detects that the rotating speed of the gear 5 exceeds a set value, which indicates that the car 2 is falling at the moment, the tachometer 12 can transmit a signal to the battery 11, the battery 11 can open the electric cylinder 9, the driving end of the electric cylinder 9 can extend, and synchronously drive the brake plate 10 to be clamped with the rack 3, when the teeth 13 on the brake plate 10 are in direct contact with the rack 3, the spring elastically contracts and expands, the fixed box 8 drives the brake plate 10 to move up and down through the slide rail 16, the spring and the slide rail 16 play a role in damping and adjusting the position of the brake plate 10, and the situation that the teeth 13 or the rack 3 are damaged due to direct collision between the teeth 13 on the brake plate 10 and the rack 3 is prevented, the car 2 can not fall, and the storage battery 11 can be charged in the subsequent maintenance process.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; meanwhile, unless explicitly specified or limited otherwise, the terms "mounted", "disposed", "opened", "embedded", "extended", "penetrated", "nested", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elevator anti-falling device and elevator, includes well (1) and car (2), its characterized in that, be connected through power traction structure (15) between car (2) and well (1), well (1) inboard fixed mounting has a pair of rack (3) that the structure is the same, car (2) body both sides fixed mounting has a pair of bracing piece (4) that the structure is the same, a pair of bracing piece (4) other end movable sleeve is equipped with a pair of gear (5) that the structure is the same, and with a pair of the meshing of rack (3), car (2) both sides fixed mounting has a pair of braking structure that the structure is the same;

the braking structure includes: the brake device comprises a fixing plate (6), a slide rail (16), a pair of first springs (7) with the same structure, a fixing box (8), an electric cylinder (9), a brake plate (10) and a storage battery (11);

the fixed plate (6) is fixedly arranged on one side of the car (2), the sliding rail (16) is fixedly arranged on one side of the car (2), the lower end of the sliding rail is fixedly arranged on the upper wall surface of the fixed plate (6), one end of the first spring (7) is fixedly arranged on the upper wall surface of the fixed plate (6), the fixed box (8) is fixedly arranged on the other end of the first spring (7) and movably embedded in the sliding rail (16), a through hole is formed in one side of the fixed box (8), the electric cylinder (9) is fixedly embedded in one side of the fixed box (8), the driving end of the electric cylinder movably penetrates through the through hole of the fixed box (8), the braking plate (10) is fixedly arranged at the driving end of the electric cylinder (9), and the storage battery (11) is fixedly arranged on the upper wall surface of the fixed box (8) and is connected with.

2. The anti-falling device for the elevator and the elevator are characterized in that a rotating speed velocimeter (12) is fixedly arranged on the front wall of the gear (5) on the left side, and the rotating speed velocimeter (12) is connected with a storage battery (11).

3. A fall arrest device for elevators according to claim 1, characterized in that teeth (13) are fixedly mounted on one side of the braking plate (10) and engage with a pair of racks (3).

4. An elevator fall arrest device as claimed in claim 1, characterised in that a pair of said arresting structures are disposed symmetrically.

5. A fall arrest device for elevators according to claim 1, characterized in that a pair of first springs (7) are fixedly provided with a connecting piece (14) at both ends.