CN216426414U

CN216426414U - Elevator anti-falling device

Info

Publication number: CN216426414U
Application number: CN202122688735.6U
Authority: CN
Inventors: 孙娟
Original assignee: Guangdong Anyi Installation Engineering Co ltd
Current assignee: Guangdong Anyi Installation Engineering Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-03
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an elevator anti-falling device, which comprises a clamping component, a locking rail, a locking component and a gravity acceleration sensor, wherein the clamping component comprises a turning plate, an elastic piece and a baffle plate, and the turning plate is hinged on one outer side wall of a lift car; the baffle is fixed on the lift car and positioned above the turning plate, the elastic piece drives the turning plate to be close to the baffle, and the turning plate can be attached to the baffle; the locking rail is used for being fixed on the inner wall of the elevator shaft, and a plurality of clamping grooves used for clamping the turning plate are formed in the locking rail along the length direction; the locking assembly is used for locking the position of the turning plate so as to separate the turning plate from the clamping groove; the gravity acceleration sensor is used for opening and closing the locking assembly. The utility model discloses in, when the elevator breaks down and falls, the gravity acceleration sensor is triggered and makes electric control switch close sensing assembly. Under the action of the elastic piece, the turnover plate is turned over and clamped into the next clamping groove. Further upset through baffle restriction board turns over, and the car is blocked in the elevator shaft this moment, avoids the car further to fall and causes the accident.

Description

Elevator anti-falling device

Technical Field

The utility model relates to an elevator technical field, concretely relates to elevator anti-falling device.

Background

At present, an elevator is a common transportation device, the elevator is used for transporting people or articles to a high-rise or low-rise, and the elevator is an indispensable device in places such as high-rise buildings, scenic spots and scenic spots. The elevator generally includes a traction system and a car, and the car is located in a built elevator shaft and is driven to ascend and descend by the traction system.

Although elevators have corresponding safety measures, there is still an accident with elevator falls. The present elevators still have the risk of uncontrolled falls, causing irreparable losses.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main purpose provides an elevator anti-falling device, aims at solving the problem that the elevator is out of control and falls.

In order to achieve the above object, the utility model provides an elevator anti-falling device includes:

the clamping component comprises a turning plate, an elastic piece and a baffle plate, and the turning plate is hinged to one outer side wall of the elevator car; the baffle is fixed on the car and positioned above the turning plate, and the elastic piece drives the turning plate to be close to the baffle so that the turning plate is attached to the baffle;

the locking rail is fixed on the inner wall of the elevator shaft, and a plurality of clamping grooves used for clamping the turning plate are formed in the locking rail along the length direction;

the sensing assembly comprises a gravity acceleration sensor and an electric control switch which are electrically connected, and the gravity acceleration sensor is used for triggering the electric control switch so that the electric control switch starts the locking assembly to lock the position of the turning plate, so that the turning plate is far away from the baffle and is separated from the clamping groove; or closing the locking assembly to turn over the turnover plate.

Preferably, the locking assembly comprises an electromagnet, and the electromagnet is arranged on the car; the turning plate is made of metal, and the electromagnet is used for adsorbing the turning plate; the electromagnet is electrically connected with the electric control switch.

Preferably, the car is provided with a supporting block, the supporting block is fixed on the outer side wall of the car, which is hinged with the turning plate, the supporting block is provided with an inclined supporting surface, and the supporting surface inclines from bottom to top to one side far away from the car; the electromagnet is fixed on the supporting surface.

Preferably, the elastic part is a compression spring, one end of the compression spring is fixed on the supporting surface, and the other end of the compression spring is fixed on the turnover plate.

Preferably, a battery is fixed on the car and electrically connected with the electric control switch.

Preferably, the battery is detachably connected to the car by a bolt.

Preferably, a button is arranged inside the car and connected with the locking assembly, and the button can open and close the locking assembly.

Preferably, a reinforcing rib is fixed on the baffle plate, and the reinforcing rib is connected with the car.

Preferably, the clamping groove is formed in one side, facing the car, of the locking rail, and is provided with a plane and an inclined plane, the bottom end of the inclined plane is connected with the plane, and the inclined plane inclines towards one side, close to the car, from bottom to top; the plane is used for being attached to the turning plate, and the clamping grooves are evenly spaced.

Preferably, two groups of the clamping assembly, the locking assembly and the sensing assembly are symmetrically arranged on the car; the elevator shaft is internally and symmetrically provided with two locking rails, and the two locking rails and the two groups of clamping components are arranged in a one-to-one correspondence mode.

The utility model discloses among the technical scheme, when the elevator normally used, turn over the board and keep away from the lock rail under locking Assembly's effect, gravity acceleration sensor, electric control switch are supplied power by external power source. When the elevator breaks down and falls, the gravity acceleration sensor is triggered, the gravity acceleration sensor sends an electric signal to enable the electric control switch to work, and the electric control switch closes the sensing assembly. Under the action of the elastic piece, the turnover plate is turned over and clamped into the next clamping groove. Further upset through the board is turned over in the baffle restriction, and the car is blocked in the elevator shaft this moment, avoids the car further to fall and causes the accident.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an elevator anti-falling device according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of the structure of a fall-preventing device for an elevator according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Clamping assembly	302	Supporting block
101	Turning plate	3021	Support surface
				102	Baffle plate	400	Sensing assembly
1021	Reinforcing rib	401	Gravity acceleration sensor
				103	Compression spring	402	Electric control switch
200	Lock rail	500	Car
				201	Clamping groove	600	Battery with a battery cell
2011	Plane surface	601	Wing plate
				2012	Inclined plane	602	Bolt
300	Locking assembly	700	Push button
				301	Electromagnet

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides an elevator dropproof device.

Referring to fig. 1 to 2, in an embodiment of the present invention, an elevator fall-prevention apparatus includes:

the above is only the preferred clamping assembly 100, the locking rail 200, the locking assembly 300 and the sensing assembly 400 of the present invention, wherein the clamping assembly 100 includes a turning plate 101, an elastic member and a baffle plate 102, and the turning plate 101 is used for being hinged to one outer side wall of a car 500 of an elevator; the baffle plate 102 is fixed on the car 500 and positioned above the turning plate 101, and the elastic piece drives the turning plate 101 to be close to the baffle plate 102 so as to enable the turning plate 101 to be attached to the baffle plate 102; the locking rail 200 is used for being fixed on the inner wall of the elevator shaft, and a plurality of clamping grooves 201 for clamping the turning plate 101 are formed in the locking rail 200 along the length direction; the sensing assembly 400 comprises a gravity acceleration sensor 401 and an electric control switch 402 which are electrically connected, wherein the gravity acceleration sensor 401 is used for triggering the electric control switch 402, so that the electric control switch 402 starts the locking assembly 300 to lock the position of the turning plate 101, so that the turning plate 101 is far away from the baffle plate 102 and is separated from the clamping groove 201; or close the locking assembly 300 to flip the flap 101.

When the elevator is normally used, the turning plate 101 is far away from the lock rail 200 under the action of the locking assembly 300, and the gravity acceleration sensor 401 and the electric control switch 402 are powered by an external power supply. When the elevator breaks down and falls, the gravity acceleration sensor 401 is triggered, the gravity acceleration sensor 401 sends an electric signal to enable the electronic control switch 402 to work, and the electronic control switch 402 closes the sensing assembly 400. Under the action of the elastic element, the turning plate 101 is turned over and is clamped into the next slot 201. The baffle plate 102 limits the turning of the turning plate 101, and the car 500 is clamped in the elevator shaft, so that the accident caused by the further falling of the car 500 is avoided.

Specifically, the locking rail 200 is fixed to a vertical sidewall of the elevator hoistway, and the length of the locking rail 200 is the same as the height of the elevator hoistway.

Further, the locking assembly 300 comprises an electromagnet 301, and the electromagnet 301 is arranged on the car 500; the turning plate 101 is made of metal, and the electromagnet 301 is used for adsorbing the turning plate 101; the electromagnet 301 is electrically connected with an electrically controlled switch 402. The electromagnet 301 is electrically connected with the electronic control switch 402, when the gravity acceleration sensor 401 is triggered, the gravity acceleration sensor 401 sends an electric signal to the electronic control switch 402, the electronic control switch 402 disconnects the circuit of the electromagnet 301, and the electromagnet 301 is powered off and loses magnetic force; the electromagnet 301 is simple in structure and convenient to operate.

In another embodiment of the present invention, the locking assembly 300 may also be an electronic lock, which is fixed on the car 500, and the electronic control switch 402 is connected with the electronic lock. The electronic control switch 402 is used for controlling the opening and closing of the electronic lock.

Furthermore, a supporting block 302 is arranged on the car 500, the supporting block 302 is fixed on the car 500 and is crossed with the outer side wall of the turning plate 101, the supporting block 302 is provided with a supporting surface 3021, and the supporting surface 3021 inclines from bottom to top to the side far away from the car 500; the electromagnet 301 is fixed to the support surface 3021. The angle of the electromagnet 301 is adjusted by arranging the supporting surface 3021 on the supporting block 302, so that the effect of the electromagnet 301 for adsorbing the turning plate 101 is improved.

Specifically, the cross section of the supporting block 302 is an isosceles right triangle, the supporting block 302 is fixed to the car 500 by welding, and the supporting surface 3021 of the supporting block 302 is inclined from top to bottom to the side away from the car 500. The electromagnet 301 is cylindrical, and the electromagnet 301 is fixed to the support surface 3021 by welding.

Further, the elastic member is a compression spring 103, one end of the compression spring 103 is fixed to the supporting surface 3021, and the other end is fixed to the flap 101. By pushing the flap 101 away from the car 500 by the compression spring 103, the flap 101 is horizontal and attached to the baffle 102 by the compression spring 103 when the locking assembly 300 is not connected to the flap 101. The compression spring 103 has a simple structure and is not easily damaged.

Specifically, the compression spring 103 is fixed above the electromagnet 301 on the support surface 3021.

Further, a battery 600 is fixed on the car 500, and the battery 600 is electrically connected with the electric control switch 402. Because the external connection power source needs to use wires when the electric control switch 402, the electromagnet 301 and the gravitational acceleration sensor 401 are energized, the wires easily interfere with the ropes of the elevator, and the wires are easily damaged. The battery 600 is used for connecting the electric control switch 402, the electromagnet 301 and the gravity acceleration sensor 401, so that the stability of the structure is improved.

Further, the battery 600 is detachably connected to the car 500 by a bolt 602. After the battery 600 is used up, the battery 600 can be replaced manually, so that manual operation is facilitated.

In another embodiment of the present invention, the battery 600 is connected to an external power source through a wire, and the battery 600 can be charged in real time through the external power source. Only one wire is used for supplying power, so that winding damage of a plurality of wires is avoided.

Specifically, a wing plate 601 is fixed to a side of the battery 600 close to the car 500, the wing plate 601 is attached to the car 500, a bolt 602 is inserted into the wing plate 601, the bolt 602 is inserted into the car 500 and screwed, and a plurality of bolts 602 are provided.

Further, a button 700 is arranged inside the car 500, the button 700 is connected with the locking assembly 300, and the button 700 is used for opening and closing the locking assembly 300. When the elevator fails, a person inside the car 500 can directly press the button 700, and the button 700 disconnects the locking assembly 300 from the flap 101. The car 500 can be locked manually and the car 500 can still be prevented from falling when the gravitational acceleration sensor 401 is damaged.

Further, a reinforcing rib 1021 is fixed to the baffle plate 102, and the reinforcing rib 1021 is connected to the car 500. The reinforcing ribs 1021 reinforce the structural strength of the baffle plate 102, and prevent the baffle plate 102 from being damaged.

Specifically, the baffle 102 is a rectangular plate and is arranged horizontally, the reinforcing rib 1021 is a triangular plate, and two right-angle sides of the reinforcing rib 1021 are fixed to the baffle 102 and the car 500 respectively. The baffle plate 102 is provided with two reinforcing ribs 1021, which further improves the structural strength of the baffle plate 102.

Further, the clamping groove 201 is arranged on one side of the locking rail 200 facing the car 500, the clamping groove 201 is provided with a plane 2011 and an inclined plane 2012, the bottom end of the inclined plane 2012 is connected with the plane 2011, and the inclined plane 2012 inclines towards one side close to the car 500 from bottom to top; the plane 2011 is used for being attached to the turning plate 101, and the plurality of clamping grooves 201 are evenly spaced. After the turning plate 101 is clamped into the clamping groove 201, people in the car 500 are evacuated; the electromagnet 301 is started, the car 500 is lifted, the turning plate 101 is pushed through the inclined surface 2012, the turning plate 101 is adsorbed by the electromagnet 301 again, and the falling device can be repeatedly used; and the recovery is convenient.

Specifically, the lock rail 200 is a rectangular rod, and the locking groove 201 is continuously formed.

Further, two groups of clamping assemblies 100, locking assemblies 300 and sensing assemblies 400 are symmetrically arranged on the car 500; two locking rails 200 are symmetrically arranged in the elevator shaft, and the two locking rails 200 are arranged in one-to-one correspondence with the two groups of clamping components 100. A plurality of dropproof devices set up on car 500, improve the effect of dropproof.

The embodiments, not therefore limiting the scope of the present invention, all of which are considered within the scope of the present invention, are included in the present invention by the equivalent structure changes made from the content of the description and the drawings, or by direct/indirect application in other related technical fields.

Claims

1. An elevator anti-falling device, characterized by comprising:

2. The elevator fall arrest device according to claim 1, wherein the locking assembly includes an electromagnet disposed on the car; the turning plate is made of metal, and the electromagnet is used for adsorbing the turning plate; the electromagnet is electrically connected with the electric control switch.

3. The elevator fall prevention device according to claim 2, wherein a support block is provided on the car, the support block is fixed to an outer side wall of the car, to which the flap is hinged, and has an inclined support surface that is inclined from bottom to top to a side away from the car; the electromagnet is fixed on the supporting surface.

4. The elevator fall arrest device according to claim 3, wherein the resilient member is a compression spring secured at one end to the support surface and at the other end to the flap.

5. The elevator falling prevention device according to any one of claims 1 to 4, wherein a battery is fixed on the car and electrically connected with the electric control switch.

6. The elevator fall arrest device according to claim 5, wherein the battery is removably connected to the car by a bolt.

7. The elevator falling prevention device according to any one of claims 1 to 4, characterized in that a button is arranged inside the car, the button is connected with the locking component, and the button can open and close the locking component.

8. The elevator falling prevention device according to any one of claims 1 to 4, wherein a reinforcing rib is fixed to the baffle plate, and the reinforcing rib is connected with the car.

9. The elevator falling prevention device according to any one of claims 1 to 4, wherein the locking groove is opened on a side of the locking rail facing the car, the locking groove has a flat surface and an inclined surface, a bottom end of the inclined surface is connected with the flat surface, and the inclined surface is inclined from bottom to top to a side close to the car; the plane is used for being attached to the turning plate, and the clamping grooves are evenly spaced.

10. The elevator falling prevention device according to any one of claims 1 to 4, wherein the clamping assembly, the locking assembly and the sensing assembly are symmetrically arranged on the car in two groups; the elevator shaft is internally and symmetrically provided with two locking rails, and the two locking rails and the two groups of clamping components are arranged in a one-to-one correspondence mode.