CN211225929U

CN211225929U - Elevator anti-falling device with safety airbag

Info

Publication number: CN211225929U
Application number: CN201921498073.2U
Authority: CN
Inventors: 张延年; 孙亚东; 吴献
Original assignee: Shenyang Jianzhu University
Current assignee: Shenyang Jianzhu University
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-08-11
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of the elevator is prevented weighing down, in particular to elevator anti-falling device with air bag, include the device includes air bag, ignition, outside steel drum, inboard steel drum, spring, support rib, telescopic link, connecting piece, controlling means, mounting box, anticollision board, the mounting box is on the elevartor shaft lateral wall through the bolt fastening, be equipped with steel drum buffer in the mounting box, but steel drum buffer links to each other relative activity for upper and lower cover of outside steel drum and inboard steel drum, outside steel drum top is equipped with the connecting piece, anticollision board top is equipped with air bag. The utility model discloses simple structure, the structure is reasonable, simple to operate, the security is good, and degree of automation is high, and stability is good, and reaction rate is fast, and application scope is wide, can effectively reduce the loss that the elevator falls and brings.

Description

Elevator anti-falling device with safety airbag

Technical Field

The utility model belongs to the technical field of the elevator is prevented weighing down, in particular to elevator anti-falling device with air bag.

Background

With the continuous development of urban construction, high-rise buildings are increased continuously, and more applications are obtained in daily life of elevators. Elevators as vehicles for vertical operation in high-rise buildings are inseparable from people's daily lives. At present, one of the potential safety hazards of the vertical lift elevator is that the elevator falls due to the breakage of the traction rope of the elevator. At present, the elevator falling-prevention device mainly depends on a falling-prevention device, and electrical appliances with the structures are easy to lose efficacy under the condition of power failure, so that casualties of people taking the elevator are caused. The falling accident of the elevator often causes a serious casualty accident, and the existing falling prevention device for the elevator cannot effectively prevent the falling accident due to the reliability problem, so that the reliable falling prevention device for the elevator is invented to prevent falling at the falling moment of the elevator, minimize the damage and the loss and become a problem to be solved urgently.

Disclosure of Invention

In order to solve the technical problem that exists, the utility model provides an elevator anti-falling device with air bag mainly is for developing a simple structure, and the structure is reasonable, and simple to operate security is good, and degree of automation is high, and stability is good, and reaction rate is fast, can effectively solve the elevator difficult problem that faces that falls.

The utility model adopts the technical scheme as follows:

an elevator anti-falling device with an air bag comprises the air bag, an ignition device, an outer steel barrel, an inner steel barrel, a spring, a supporting rib, a telescopic rod, a connecting piece, a control device, a mounting box and an anti-collision plate, wherein the mounting box is fixed on the side wall of an elevator shaft through a bolt, a steel barrel buffer device is arranged in the mounting box, the steel barrel buffer device is formed by connecting the outer steel barrel and the inner steel barrel in an upper-lower sleeved mode and can move relatively, the spring is arranged between the outer steel barrel and the inner steel barrel, the connecting piece is arranged at the top of the outer steel barrel and is hinged with one side of the bottom of the anti-collision plate, the telescopic rod is further arranged between the top of the outer steel barrel and the anti-collision plate, the supporting rib is welded on the outer steel barrel, the top of the supporting rib is matched with the horizontal height of the bottom of the anti-collision plate, the air bag is arranged above the anti-, the safety airbag is connected with the ignition device, the distance between the anti-collision plates is larger than the width of the car when the anti-collision plates are lifted, and the distance between the anti-collision plates is smaller than the width of the car when the anti-collision plates are fallen.

Further, the mounting box and the elevator shaft side wall are provided with rubber pads.

Furthermore, rubber pads are arranged at the tops of the supporting ribs.

Further, elevator anti-falling device installs on the elevartor shaft lateral wall at elevator mouth's left and right sides both ends, and elevator anti-falling device's last top surface is a little higher than the floor plane, and arranges on every layer, and the bolt passes the length that mounting box and rubber pad stretched into in the elevartor shaft lateral wall and is no less than 150mm, and the equidistant arrangement of bolt is at least three rows from top to bottom.

Further, the mounting box is top open-ended cuboid structure, the outside steel drum is the cylindrical barrel of downward open-ended, and the inboard steel drum is the cylindrical barrel that the opening is ascending, and outside steel drum cover is outside at inboard steel drum, the internal diameter of outside steel drum is greater than the external diameter of inboard steel drum, and the spring welded fastening is respectively in the upper end and the lower extreme of outside steel drum and inboard steel drum.

Furthermore, the mounting box has evenly arranged the card strip on being on a parallel with the both sides wall of elevartor shaft lateral wall equidistance, and two recesses of symmetry are arranged to the outside steel drum, and card strip and recess phase-match, the card strip extends to the position between the following bolt hole from the mounting box top, the outside steel drum links to each other with the mounting box grafting.

Furthermore, the steel drum on the outer side is welded with a supporting rib, the cross section of the supporting rib is triangular, the groove extends to the bottom of the supporting rib from bottom to bottom, the top of the supporting rib is provided with a rubber pad, and the top of the rubber pad is flush with the horizontal lower part of the anti-collision plate.

Furthermore, the connecting piece is welded at the top of the outer steel drum, the first connecting piece is hinged to the connecting structure at the lower part of the anti-collision plate, the second connecting piece is hinged to one end of a hydraulic telescopic rod, one end of the hydraulic telescopic rod is fixed at the top of the outer steel drum, one end of the hydraulic telescopic rod is fixed on the bottom surface of the anti-collision plate, the supporting rib is welded at the upper part of the groove and located at a position far away from the side wall of the elevator shaft, a rubber pad with the same size as the cross section of the top surface of the supporting rib is arranged at the top of the supporting rib, and the top surface of the rubber pad is.

Furthermore, the lower end of the anti-collision plate is provided with a connecting structure connected with a first connecting piece, one end of the connecting structure is a cuboid steel plate with an opening, the connecting structure is welded below the anti-collision plate, the other end of the connecting structure is hinged with the other end of the telescopic rod, an ignition device of an air bag is arranged at one end, close to the side wall of the elevator shaft, of the anti-collision plate, and the ignition device is controlled by a control device.

The utility model has the advantages that:

the utility model discloses simple structure, the structure is reasonable, simple to operate, and the security is good, and degree of automation is high, and stability is good, and reaction rate is fast, can start anti-falling device when the speed is lower in the twinkling of an eye that the elevator falls, can effectively reduce the loss and the injury that the elevator falls and bring.

Drawings

FIG. 1 is a schematic structural view of the present invention in an unexcited state;

FIG. 2 is a schematic structural view of the excited state of the present invention;

FIG. 3 is a schematic view of the buffering system according to the present invention;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic front view of the buffer system of the present invention;

fig. 6 is a schematic sectional view taken along line a-a in fig. 5.

In the figure, 1 is a hoistway sidewall; 2 is a lift car; 3 is a rubber pad; 4 is an air bag; 5 is an ignition device; 6 is an outer steel barrel; 6-1 is a groove; 7 is an inner steel barrel; 8 is a spring; 9 is a support rib; 10 is a telescopic rod; 11 is a connecting piece; 11-1 is a first connecting piece; 11-2 is a second connecting piece; 12 is a bolt; 13 is a bolt hole; 14 is a control device; 15 is a mounting box; 15-1 is a clamping strip; 16 is a bumper plate.

Detailed Description

The present invention will be described in detail with reference to the following drawings and examples:

as shown in fig. 1-6, an elevator anti-falling device with an airbag comprises a mounting box 15, a car 2, a rubber pad 3, an airbag 4 and a steel drum buffer device, wherein the mounting box 15 is installed on an elevator shaft side wall 1 through a bolt 12 in a connecting manner, the rubber pad 3 is installed on the mounting box 15 and the elevator shaft side wall 1, the steel drum buffer device is installed in the mounting box 15, an anti-collision plate 16, an expansion link 10, a support rib 9 and the airbag 4 are arranged on the steel drum buffer device, the expansion link 10 extends to jack up the anti-collision plate 16 when the car 2 normally operates, when the car 2 is detected to fall, the expansion link 10 contracts to pull the anti-collision plate 16 to a horizontal position, and a control device 14 controls the airbag 4 to pop out to complete the excitation of the anti-falling device so as to reduce the damage of the car 2. When the anti-collision plate is lifted, a small distance is reserved between the outer side of the anti-collision plate and the car, and the running of the car is not influenced.

Elevator anti-falling device installs on elevartor shaft lateral wall 1 at elevator mouth's left and right sides both ends, and elevator anti-falling device's the last top surface is a little higher than the floor plane, and arranges on every layer, and bolt 12 passes mounting box 15 and rubber pad 3 and stretches into the length in elevartor shaft lateral wall 1 and be no less than 150mm, and bolt 12 equidistant arranges, at least three rows from top to bottom.

The steel drum buffer device is composed of a mounting box 15, an outer steel drum 6, an inner steel drum 7 and a spring 8, wherein the mounting box 15 is of a cuboid structure with an upper opening, the outer steel drum 6 is of a cylindrical drum with a downward opening, the top of the outer steel drum 6 is hinged and connected with an anti-collision plate 16 through a connecting piece 11, the inner steel drum 7 is of a cylindrical drum with an upward opening, the outer steel drum 6 is sleeved outside the inner steel drum 7, the inner diameter of the outer steel drum 6 is slightly larger than the outer diameter of the inner steel drum 7, the spring 8 is respectively welded and fixed at the upper end and the lower end of the outer steel drum 6 and the inner steel drum 7, clamping strips 15-1 are uniformly arranged on two side walls of a side wall 1 of an elevator shaft at equal intervals on the mounting box 15, two symmetrical grooves 6-1 are arranged on the outer steel drum 6, the clamping strips 15-1 are matched with the grooves 6-1, the cross section of the support rib 9 is triangular, the groove 6-1 extends to the bottom of the support rib 9 from bottom to bottom, and the clamping strip 15-1 extends to the position between the bolt holes 13 below from the top of the mounting box 15. The top of the supporting rib is provided with a rubber pad, and the top of the rubber pad is flush with the lower part of the anti-collision plate in the horizontal direction.

The welding of 6 tops on outside steel drum has connecting piece 11, first connecting piece 11-1 is used for being connected with the connection structure of crashproof board 16 lower part to adopt articulated form, and second connecting piece 11-2 is used for being connected with the one end of hydraulic telescoping rod 10, equally adopts articulated form, hydraulic telescoping rod 10 is similar to the self-discharging device on the truck, and one end is fixed at 6 tops on the outside steel drum, and one end is fixed in the bottom surface of crashproof board 16, connects and be articulated through second connecting piece 11-2, and 6 tops on the outside steel drum are provided with controlling means 14, and signal transmitter transmits wireless signal when car 2 falls, and here is prior art, as patent application number 201710728453.X records. When the control device 14 receives a signal of falling of the car 2, it can control the extension and retraction of the telescopic rod 10, which is the prior art, as described in patent application No. 201480005013.6. The control device is controlled by a program to complete actions under different commands, the supporting rib 9 is welded at the upper part of the groove 6-1 and is positioned far away from the elevator shaft side wall 1, the rubber pad 3 with the same size as the cross section of the top surface of the supporting rib 9 is arranged at the top of the supporting rib 9, and the top surface of the rubber pad 3 is at the same height as the top surface of the first connecting piece 11-1.

The control device can be arranged at the position where no article is arranged at the top of the outer steel drum, the telescopic device is controlled to be similar to a self-unloading system of a truck, or a vehicle intercepting rod which can be lifted up and down at a community gate, or the control device is arranged when a user swipes a door, and the prior art can solve the problem.

The lower end of the anti-collision plate 16 is provided with a connecting structure connected with a first connecting piece 11-1, the connecting structure is a cuboid steel plate with an opening, one end of the cuboid steel plate is welded below the anti-collision plate, the connecting piece 11 is connected with the other end of the telescopic rod 10, the airbag 4 is arranged on the upper portion of the anti-collision plate 16 in a hinged mode, the ignition device 5 of the airbag 4 is arranged at one end, close to the elevator shaft side wall 1, of the anti-collision plate 16, the ignition device is in the prior art, as described in patent application No. 201710723370.1, the ignition device 5 is controlled by a control device 14, and the prior art is described in the patent application No. 2017107284.

Claims

1. The utility model provides an elevator anti-falling device with air bag which characterized in that: the device comprises an air bag (4), an ignition device (5), an outer side steel barrel (6), an inner side steel barrel (7), springs (8), supporting ribs (9), an expansion link (10), a connecting piece (11), a control device (14), a mounting box (15) and an anti-collision plate (16), wherein the mounting box (15) is fixed on the side wall of the elevator shaft through bolts (12), a steel barrel buffer device is arranged in the mounting box (15), the steel barrel buffer device is formed by connecting the outer side steel barrel (6) and the inner side steel barrel (7) in an upper-lower sleeved mode and can move relatively, the springs (8) are arranged between the outer side steel barrel (6) and the inner side steel barrel (7), the connecting piece (11) is arranged at the top of the outer side steel barrel (6), the connecting piece (11) is hinged with one side of the bottom of the anti-collision plate (16), the expansion link (10) is further arranged between the top of the outer side steel barrel (6) and the anti, the welding has support rib (9) on outside steel drum (6), support rib (9) top and crashproof board (16) bottom level phase-match, crashproof board (16) top is equipped with air bag (4), outside steel drum (6) top is provided with controlling means (14), air bag (4) link to each other with ignition (5), crashproof board (16) lift up under the state, the distance is greater than the car width between it, crashproof board (16) fall down under the state, the distance is less than the car width between it.

2. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the mounting box (15) and the elevator shaft side wall (1) are provided with rubber pads (3).

3. The elevator fall preventing device with an airbag according to claim 1, characterized in that: rubber pads (3) are arranged at the tops of the supporting ribs (9).

4. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the elevator anti-falling device is installed on elevartor shaft lateral wall (1) at both ends about the elevator mouth, and the last top surface of elevator anti-falling device is a little higher than the floor plane, and arranges on every layer, and bolt (12) pass mounting box (15) and rubber pad (3) stretch into the length in elevartor shaft lateral wall (1) and be no less than 150mm, and bolt (12) equidistant arrange, at least three rows from top to bottom.

5. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the mounting box (15) is the cuboid structure of top open-ended, outside steel drum (6) are the cylindrical barrel of downward open-ended, and inboard steel drum (7) are the cylindrical barrel of ascending opening, and outside steel drum (6) cover is outside at inboard steel drum (7), the internal diameter of outside steel drum (6) is greater than the external diameter of inboard steel drum (7), and spring (8) welded fastening respectively is in the upper end and the lower extreme of outside steel drum (6) and inboard steel drum (7).

6. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the elevator shaft fixing device is characterized in that clamping strips (15-1) are uniformly arranged on two side walls, parallel to an elevator shaft side wall (1), of the mounting box (15) at equal intervals, two symmetrical grooves (6-1) are arranged on the outer side steel drum (6), the clamping strips (15-1) are matched with the grooves (6-1), the clamping strips (15-1) extend to the positions between the bolt holes (13) below from the top of the mounting box (15), and the outer side steel drum (6) is connected with the mounting box (15) in an inserting mode.

7. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the steel drum is characterized in that a supporting rib (9) is welded on the steel drum (6) on the outer side, the cross section of the supporting rib (9) is triangular, a groove (6-1) extends to the bottom of the supporting rib (9) from bottom to top, a rubber pad is arranged on the top of the supporting rib, and the top of the rubber pad is flush with the horizontal lower side of the anti-collision plate.

8. The elevator fall preventing device with an airbag according to claim 1, characterized in that: the top of the outer steel barrel (6) is welded with a connecting piece (11), the connecting piece (11) comprises a first connecting piece (11-1) and a second connecting piece (11-2), the first connecting piece (11-1) is hinged with a connecting structure at the lower part of the anti-collision plate (16), the second connecting piece (11-2) is hinged with one end of the hydraulic telescopic rod (10), one end of the hydraulic telescopic rod (10) is fixed at the top of the outer steel barrel (6), the other end is fixed at the bottom surface of the anti-collision plate (16), is hinged by a second connecting piece (11-2), a supporting rib (9) is welded at the upper part of the groove (6-1), and is positioned at a position far away from the side wall (1) of the elevator shaft, the top of the supporting rib (9) is provided with a rubber pad (3) with the same size as the section of the top surface of the supporting rib (9), the top surface of the rubber pad (3) and the top surface of the first connecting piece (11-1) are at the same height.

9. The elevator fall preventing device with an airbag according to claim 8, characterized in that: the lower end of the anti-collision plate (16) is provided with a connecting structure connected with a first connecting piece (11-1), one end of the connecting structure is a cuboid steel plate with an opening and is welded below the anti-collision plate, the connecting piece (11) is arranged and is hinged with the other end of the telescopic rod (10), an ignition device (5) of the safety airbag (4) is arranged at one end, close to the elevator shaft side wall (1), of the anti-collision plate (16), and the ignition device (5) is controlled by a control device (14).