CN212893341U

CN212893341U - Elevator buffer that falls

Info

Publication number: CN212893341U
Application number: CN202020953652.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shaanxi Huasheng Fujita Engineering Co ltd
Current assignee: Shaanxi Huasheng Fujita Engineering Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-04-06
Anticipated expiration: 2030-05-30

Abstract

The utility model discloses an elevator buffer that falls, including buffering gasbag and turning device, the utility model discloses a cushion body buffer that falls with buffering gasbag and trigger device has been set up, when using, assemble turning device to minimum safe position department, when the elevator takes place to fall and the safety measure at hawser position is inefficacy, elevator car is when whereabouts to minimum safe position, elevator car that has the falling of certain speed drives the wedge striking of contact switch and bottom at the upper surface of shelves pole, impact force and car gravity are greater than safety round pin fracture position, hit the safety round pin absolutely, the circuit is reported to the police, and contact switch starting switch, the inflation body expands rapidly, break away the gasbag body, and then constitute an annular buffering gasbag at elevator car's lower surface, guarantee the security of the inside guest of elevator, the effectual current elevator of having solved only possesses the not comprehensive problem of safety protection that brings with the safety measure of hawser junction.

Description

Elevator buffer that falls

Technical Field

The utility model relates to an elevator safety measure technical field specifically is an elevator buffer that falls.

Background

The elevator is a plurality of specific floors served in a building, the car of the elevator runs on at least two rows of permanent transportation equipment which is perpendicular to the horizontal plane or moves along a rigid track with an inclination angle smaller than 15 degrees with a plumb line, in the using process of the elevator, the safety performance of the elevator is an important index of the elevator, the elevator is generally convenient to protect safely, the elevator is prevented from falling, a set of overspeed braking measures is assembled at the connecting position of the elevator car and a cable rope, once the measures are also problematic, the elevator car falls with an acceleration until crashed, and the elevator crashes to be incomplete according to protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator buffer that falls to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the elevator falling buffer device comprises a buffer air bag assembled on the lower surface of a cushion body and a turnover device assembled at the bottom of an elevator shaft, wherein a trigger device is assembled at the right end of the buffer air bag, a contact switch is assembled at the right end of the trigger device, and the lower surface of the contact switch is tightly attached to the upper surface of the turnover device.

Preferably, the buffering airbag comprises a connecting cable, wherein the side surface of the connecting cable is provided with an impact-resistant airbag body, and the top end of the airbag body is provided with an inflatable body.

Preferably, the triggering device comprises a switch, a side surface of the switch is provided with a mounting hole, the mounting hole is assembled on the outer surface of the connecting cable, the right surface of the switch is assembled with an extension rod, and the outer end of the extension rod extends to the periphery of the elevator car.

Preferably, the contact switch is assembled on the lower surface of the right end of the extension rod, a fixing piece is assembled on the upper surface of the left end of the contact switch, and a fixing hole is formed in the upper surface of the fixing piece.

Preferably, the lower surface of the contact switch is provided with a bent piece, the lower surface of the bent piece is provided with a wedge-shaped block, and the lower surface of the wedge-shaped block is engaged with a stop lever.

Preferably, turning device includes the fixing base, the pilot hole has been seted up to the upper surface of fixing base, the internal surface assembly of pilot hole is at the bottom surface of shelves pole, the right-hand member of fixing base is equipped with the fixed axle, the internal surface assembly of fixed axle has a connecting axle, the front end of connecting axle is equipped with the connecting axle, the right-hand member of connecting axle is equipped with the dead lever, the right-hand member assembly of dead lever is at the wall that corresponds safe position, the trepanning has all been seted up on the top of fixed axle and connecting axle, the safety catch has been cup jointed to the internal surface of trepanning, the middle part upper and lower surface of safety catch.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with a cushion body falling buffer device with a buffer air bag and a trigger device, when the elevator car falls to the lowest safety position, the elevator car with a certain speed falling drives the contact switch and the wedge block at the bottom end to impact on the upper surface of the stop lever when the elevator car falls to the lowest safety position, the impact force and the car gravity are greater than the fracture position of the safety pin, the safety pin is broken, a circuit gives an alarm, the contact switch starts the switch, the inflatable body rapidly expands to break the airbag body, and then constitute an annular buffering gasbag at the lower surface of elevator car, guarantee the inside guest's of elevator security, the effectual problem of having solved current elevator and only possessing the incomprehensive safety protection that brings with the safety measure of hawser junction.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an assembly schematic diagram of the present invention.

Fig. 3 is the assembly schematic diagram of the triggering device of the present invention.

Fig. 4 is the assembly schematic diagram of the turnover device of the present invention.

In the figure: 1. the safety device comprises a buffering air bag, 11, a connecting cable, 12, an inflatable body, 13, an air bag body, 2, a trigger device, 21, a switch, 22, a mounting hole, 23, an extension rod, 24, a contact switch, 25, a bending piece, 26, a fixing piece, 27, a fixing hole, 28, a wedge-shaped block, 29, a stop lever, 3, a turnover device, 31, a fixing seat, 32, an assembling hole, 33, a fixing shaft, 34, a connecting shaft, 35, a fixing rod, 36, a sleeve hole, 37, a safety pin, 38, a groove, 39 and a connecting shaft.

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. 1-4, the present invention provides a technical solution: a falling buffer device for an elevator comprises a buffer air bag 1 assembled on the lower surface of a cushion body and a turnover device 3 assembled at the bottom of an elevator shaft, wherein a trigger device 2 is assembled at the right end of the buffer air bag 1, a contact switch 24 is assembled at the right end of the trigger device 2, and the lower surface of the contact switch 24 is tightly attached to the upper surface of the turnover device 3;

the utility model is provided with a cushion body falling buffer device with a buffer air bag 1 and a trigger device 2, when the elevator car falls to the lowest safety position, the falling elevator car with a certain speed drives the contact switch 24 and the wedge block 28 at the bottom end to strike the upper surface of the stop lever 29, the impact force and the car gravity are greater than the fracture position of the safety pin 37, the safety pin 37 is broken, the circuit gives an alarm, and the contact switch 24 starts the switch 21, the inflatable body 12 expands rapidly, the air bag body 13 is flushed, and then constitute an annular buffering gasbag at the lower surface of elevator car, guarantee the inside guest's of elevator security, the effectual problem of having solved current elevator and only possessing the incomprehensive safety protection that brings with the safety measure of hawser junction.

Particularly, buffering gasbag 1 includes connecting cable 11, and connecting cable 11's side surface is equipped with the gasbag body 13 of shock-resistant, and the top of gasbag body 13 is equipped with inflation body 12 the utility model discloses the inflation body 12 and the gasbag body 13 structure that use is the same with the air bag structure of car to this gasbag structure can be activated inflation body 12 through the mode of contact switch 24 striking back release inside storage electric energy.

Specifically, the triggering device 2 comprises a switch 21, a mounting hole 22 is formed in the side surface of the switch 21, the mounting hole 22 is assembled on the outer surface of the connecting rope 11, an extension rod 23 is assembled on the right surface of the switch 21, the outer side end of the extension rod 23 extends to the periphery of the elevator car, the capability of releasing in advance can be added to the elevator through the extension effect of the extension rod 23, and if the switch 21 is assembled on the lower surface of the elevator car, the elevator car completely falls to the inner surface of the elevator shaft to trigger.

Specifically, the contact switch 24 is assembled on the lower surface of the right end of the extension rod 23, the fixing plate 26 is assembled on the upper surface of the left end of the contact switch 24, the fixing hole 27 is opened on the upper surface of the fixing plate 26, the battery is assembled in the extension rod 23, and when the contact switch 24 is triggered, the battery releases electric energy to activate the inflatable body 12.

Specifically, the lower surface of the contact switch 24 is equipped with the bent piece 25, the lower surface of the bent piece 25 is equipped with the wedge 28, the lower surface of the wedge 28 is engaged with the stopper rod 29, and through a wedge-shaped inclined structure, after the wedge 28 falls and hits the stopper rod 29, the extrusion force of the inclined surface can overturn the outside where the stopper rod 29 and the fixed seat 31 hit, so that the falling path of the car is prevented from being influenced, the car is prevented from overturning and being kept balanced, and a guest is injured.

Specifically, turning device 3 includes fixing base 31, pilot hole 32 has been seted up to the upper surface of fixing base 31, the internal surface assembly of pilot hole 32 is at the bottom surface of shelves pole 29, the right-hand member of fixing base 31 is equipped with fixed axle 33, the internal surface assembly of fixed axle 33 is equipped with even axle 39, the front end of even axle 39 is equipped with connecting axle 34, the right-hand member of connecting axle 34 is equipped with dead lever 35, the right-hand member assembly of dead lever 35 is at the wall that corresponds safe position, trepanning 36 has all been seted up on the top of fixed axle 33 and connecting axle 34, the internal surface cup joint of trepanning 36 has sold 37, on the middle part of safety round pin 37, recess 38 has all been seted up to the lower surface, when using, the fracture structure that recess 38 formed can bear elevator car's weight 1.5 times gravity, exceed this gravity then can be moved and stretch out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an elevator buffer that falls, includes at the buffering gasbag (1) of filling up body lower surface and assembly turning device (3) in the elevartor shaft bottom, its characterized in that: the right end of the buffering air bag (1) is provided with a trigger device (2), the right end of the trigger device (2) is provided with a contact switch (24), and the lower surface of the contact switch (24) is tightly attached to the upper surface of the turnover device (3).

2. An elevator fall buffer as defined in claim 1, wherein: buffering gasbag (1) is including connecting cable (11), the side surface of connecting cable (11) is equipped with the gasbag body (13) of nai impact, the top of gasbag body (13) is equipped with inflatable body (12).

3. An elevator fall buffer as defined in claim 2, wherein: the triggering device (2) comprises a switch (21), a mounting hole (22) is formed in the side surface of the switch (21), the mounting hole (22) is assembled on the outer surface of the connecting rope (11), an extension rod (23) is assembled on the right surface of the switch (21), and the outer end of the extension rod (23) extends to the periphery of the elevator car.

4. An elevator fall buffer as defined in claim 3, wherein: the contact switch (24) is assembled on the lower surface of the right end of the extension rod (23), a fixing piece (26) is assembled on the upper surface of the left end of the contact switch (24), and a fixing hole (27) is formed in the upper surface of the fixing piece (26).

5. An elevator fall buffer as defined in claim 4, wherein: the lower surface of the contact switch (24) is provided with a bent piece (25), the lower surface of the bent piece (25) is provided with a wedge-shaped block (28), and the lower surface of the wedge-shaped block (28) is engaged with a stop lever (29).

6. An elevator fall buffer as defined in claim 5, wherein: turning device (3) are including fixing base (31), pilot hole (32) have been seted up to the upper surface of fixing base (31), the internal surface assembly of pilot hole (32) is at the bottom surface of shelves pole (29), the right-hand member of fixing base (31) is equipped with fixed axle (33), the internal surface of fixed axle (33) is equipped with even axle (39), the front end of even axle (39) is equipped with connecting axle (34), the right-hand member of connecting axle (34) is equipped with dead lever (35), the right-hand member of dead lever (35) is assembled at the wall that corresponds safe position, trepanning (36) have all been seted up on the top of fixed axle (33) and connecting axle (34), safety pin (37) have been cup jointed to the internal surface of trepanning (36), recess (38) have all been seted up to the middle part upper and lower surface of safety pin (.