CN217264098U - Elevator trouble emergency protection device - Google Patents

Abstract

The utility model discloses an elevator failure emergency protection device, which relates to the technical field of elevator safety, and comprises a well, an emergency protection mechanism is arranged in the well, a car is arranged at one side of the emergency protection mechanism, a speed sensor is arranged at the upper end of the car, a signal control box is arranged at one side of the car, a cavity is arranged at the bottom of the car, a plurality of groups of damping and buffering components are arranged in the cavity, when the elevator runs and if a steel wire rope is broken or slides down emergently due to failure, the device can immediately buffer the descending speed and fix the position of the car in time to prevent the car from sliding down continuously, thereby ensuring the safety of passengers in the elevator, in addition, when the car slides down and stops in time, under the action of the damping and buffering components, the vertical and horizontal bidirectional damping effect can be achieved, and the elevator can not only play a good protection role for the passengers, and moreover, the psychological fear of people is reduced to a certain extent.

Description

Elevator trouble emergency protection device

Technical Field

The utility model relates to an elevator safety technical field specifically is an elevator trouble emergency protection device.

Background

At present, elevators are widely used, but due to lack of regular management, the situation that steel wire ropes are broken or the elevators slide downwards due to other faults occasionally occurs, so that the life safety of passengers is seriously threatened, and the elevators are also greatly damaged under the action of impact force.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an elevator trouble emergency protection device, the use of having solved present elevator is very extensive, nevertheless because of lacking regular management, the situation of the elevator gliding that wire rope fracture or cause because of other trouble can appear occasionally, has not only threatened passenger's life safety seriously, moreover under the effect of the impulsive force, still can cause the problem of very big damage to the elevator.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an emergency protection device for elevator faults comprises a well, wherein an emergency protection mechanism is installed inside the well, a lift car is installed on one side of the emergency protection mechanism, a speed sensor is installed at the upper end of the lift car, a signal control box is installed on one side of the lift car, a cavity is formed in the bottom of the lift car, and a plurality of groups of damping and buffering assemblies are installed inside the cavity;

the emergency protection mechanism comprises a double-end speed reducing motor, a support and two symmetrical backup rods, the double-end speed reducing motor is installed inside a well, slide rails are installed on the inner sides of the two backup rods, two symmetrical first slide rods are connected to the outer portions of the two slide rails in a sliding mode from top to bottom, a slotted hole is formed in each first slide rod, emergency protection assemblies are installed at two ends of each slotted hole, and a plurality of clamping grooves are formed in the front side and the rear side of each backup rod respectively;

the emergency protection assembly comprises a double-end cylinder installed inside a slotted hole, two telescopic ends of the double-end cylinder are connected with connecting plates, a side plate is installed on one side of each connecting plate, and a clamping block and a rubber block are installed on the inner side of each side plate respectively.

As a further technical scheme of the utility model, the shock attenuation buffering subassembly includes two sets of symmetrical bottom plates and presses the seat, one side of pressing the seat is connected with damping rod and articulated seat respectively, the outside cover of damping rod is equipped with first buffer spring, two form fixed connection structure through the second slide bar jointly between the bottom plate, the outside of second slide bar is equipped with two spacing articulated seats and a second buffer spring of cover respectively.

As a further technical scheme of the utility model, second buffer spring's both ends meet with the inboard of spacing articulated seat respectively, articulated jointly have the push rod between articulated seat and the spacing articulated seat, block groove and fixture block looks adaptation.

As a further technical scheme of the utility model, two the crossbeam is installed jointly at the top of leaning on the pole, the bottom of crossbeam is connected with two symmetrical connecting seats respectively, the inside cover of connecting seat is equipped with the pulley.

As a further technical scheme of the utility model, two form fixed connection structure through a plurality of montants jointly between the first slide bar, the front side at the montant is installed to the car.

As a further technical scheme of the utility model, two power drive ends of double-end gear motor all are connected with a reel, the outside cover of pulley is equipped with wire rope, wire rope's tail end meets with the first slide bar at top, and its initial end winding is in the inside of reel.

Advantageous effects

The utility model provides an elevator trouble emergency protection device. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides an elevator trouble emergency protection device, the elevator is at the operation in-process, if wire rope breaks, under speed sensor's effect, detectable speed is unusual, and further give signal control box with the signal, signal control box then can control opening of double-end cylinder, thereby can remove fixture block and rubber block to the direction of leaning on the pole simultaneously, the rubber block can play the effect of increase frictional force, and then do a buffering to the speed that descends, last fixture block then can insert to corresponding block groove in, thereby prevented that the car from continuing to descend, inside passenger's safety has been ensured, still avoided causing further damage to the car simultaneously, the staff of being convenient for is timely salvagees.

2. The utility model provides an elevator trouble emergency protection device, the outside through at damping lever and first slide bar is overlapped respectively and is equipped with first buffer spring and second buffer spring, it has the push rod to articulate jointly between articulated seat and the spacing articulated seat, so when the car gliding and in time brake, inside passenger then can exert a holding down force to pressing the seat, thereby can reach perpendicular and the two-way absorbing effect of level, not only can play a guard action to the passenger, and to a certain extent, people's psychological fear is felt still has been reduced.

Drawings

Fig. 1 is a schematic structural view of an elevator fault emergency protection device;

fig. 2 is a top view of the structure of an elevator fault emergency protection device;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

fig. 4 is a schematic structural view of an emergency protection mechanism of an elevator fault emergency protection device;

fig. 5 is a schematic structural view of an emergency protection assembly of an elevator fault emergency protection device;

fig. 6 is a schematic structural view of a shock-absorbing buffer assembly of an elevator fault emergency protection device.

In the figure: 1. a hoistway; 2. an emergency protection mechanism; 21. a leaning rod; 22. a double-ended reduction motor; 23. a slide rail; 24. a first slide bar; 25. a slot; 26. an emergency protection component; 261. a double-ended cylinder; 262. a connecting plate; 263. a side plate; 264. a clamping block; 265. a rubber block; 27. a clamping groove; 28. a cross beam; 29. a connecting seat; 210. a pulley; 211. a wire rope; 212. a vertical rod; 213. a support; 214. a reel; 3. a car; 4. a speed sensor; 5. a signal control box; 6. a cavity; 7. a shock absorbing and cushioning assembly; 71. a base plate; 72. a pressing base; 73. a damping lever; 74. a hinged seat; 75. a first buffer spring; 76. a second slide bar; 77. a limiting hinge seat; 78. a second buffer spring; 79. a push rod.

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 utility model provides an elevator trouble emergency protection device technical scheme: the utility model provides an elevator trouble emergency protection device, includes well 1, and well 1's internally mounted has urgent protection mechanism 2, and car 3 is installed to urgent protection mechanism 2's one side, and car 3 installs the front side at montant 212, and speedtransmitter 4 is installed to car 3's upper end, and signal control box 5 is installed to its one side, and cavity 6 has been seted up to car 3's bottom, and the internally mounted of cavity 6 has a plurality of groups shock attenuation buffering subassembly 7.

Referring to fig. 4, the emergency protection mechanism 2 includes a double-headed speed reduction motor 22 installed inside the hoistway 1, a support 213 and two symmetrical rest bars 21, wherein the inner sides of the two rest bars 21 are both provided with slide rails 23, the outer parts of the two slide rails 23 are connected with two symmetrical first slide bars 24 in a sliding manner from top to bottom, a slot 25 is formed inside the first slide bar 24, two ends of the slot 25 are provided with emergency protection components 26, the front and rear sides of the rest bar 21 are respectively provided with a plurality of engaging grooves 27, the engaging grooves 27 are adapted to the engaging blocks 264, the top parts of the two rest bars 21 are both provided with a cross beam 28, the bottom of the cross beam 28 is respectively connected with two symmetrical connecting seats 29, a pulley 210 is sleeved inside the connecting seats 29, the two first slide bars 24 form a fixed connection structure together through a plurality of vertical bars 212, and two power driving ends of the double-headed speed reduction motor 22 are both connected with a winding drum 214, the pulley 210 is externally sleeved with a steel wire rope 211, the tail end of the steel wire rope 211 is connected with the first slide bar 24 at the top, and the initial end of the steel wire rope 211 is wound inside the winding drum 214.

Referring to fig. 5, the emergency protection assembly 26 includes a double-headed cylinder 261 installed inside the slot 25, two telescopic ends of the double-headed cylinder 261 are connected to a connecting plate 262, a side plate 263 is installed on one side of the connecting plate 262, and a clamping block 264 and a rubber block 265 are installed on the inner side of the side plate 263 respectively.

If wire rope 211 breaks, under speed sensor 4's effect, detectable speed is unusual, and further give signal control case 5 with the signal, signal control case 5 then can control opening of double-end cylinder 261, and the flexible end of double-end cylinder 261, then can promote fixture block 264 and rubber block 265 simultaneously to the direction by pole 21, rubber block 265 can play the effect of increase frictional force, and then do a buffering to the speed that descends, fixture block 264 then can insert to corresponding block groove 27 at last, thereby prevented car 3 from continuing the gliding, inside passenger's safety has been ensured, be convenient for timely salvage of staff.

Referring to fig. 6, the shock absorbing and buffering assembly 7 includes two sets of symmetric bottom plates 71 and pressing seats 72, one side of the pressing seat 72 is connected with a damping rod 73 and a hinge seat 74 respectively, the bottom of the damping rod 73 is connected with the bottom plate 71, a first buffering spring 75 is sleeved outside the damping rod 73, the two bottom plates 71 form a fixed connection structure through a second sliding rod 76, two limit hinge seats 77 and a second buffering spring 78 are sleeved outside the second sliding rod 76 respectively, two ends of the second buffering spring 78 are connected with the inner sides of the limit hinge seats 77 respectively, a push rod 79 is hinged between the hinge seats 74 and the limit hinge seats 77, under the action of the first buffering spring 75, the second buffering spring 78 and the push rod 79, when the car 3 slides downwards and stops in time, an internal passenger applies a downward force to the pressing seat 72, thereby achieving the vertical and horizontal two-way shock absorbing effect, not only can play a protective role to passengers, but also reduces the psychological fear of people to a certain extent.

The utility model discloses a theory of operation: when the elevator is used, in the running process of the elevator, if the steel wire rope 211 is broken or the car 3 rapidly slides down due to other faults, the speed sensor 4 monitors the speed abnormity and further transmits the signal to the signal control box 5, the signal control box 5 controls the opening of the double-end cylinder 261, two telescopic ends of the double-end cylinder 261 can simultaneously apply an inward pulling force to the connecting plate 262, under the action of the side plate 263, the clamping block 264 and the rubber block 265 can simultaneously move towards the direction of the backup rod 21, when the rubber block 265 is attached to the backup rod 21, the effect of increasing the friction force can be achieved, the descending speed is buffered, and finally, the clamping block 264 can be inserted into the corresponding clamping groove 27, so that the position of the car 3 can be fixed, continuous sliding down is avoided, and the safety of passengers in the elevator is further guaranteed.

And when car 3 gliding and in time making and stopping, under the effect of impact force, inside passenger then can exert a decurrent pressure to the seat 72 of pressing of bottom, thereby can make damping rod 73 and push rod 79 push down simultaneously, on the one hand, under first buffer spring 75's effect, can play a perpendicular absorbing effect, on the other hand, under push rod 79's effect, can promote the inside extrusion second buffer spring 78 of spacing articulated seat 77 of both sides simultaneously, thereby can reach a horizontal absorbing effect, further play the guard action to the passenger, psychological fear is felt has been reduced.

Claims (6)

1. An elevator fault emergency protection device comprises a well (1) and is characterized in that an emergency protection mechanism (2) is mounted inside the well (1), a car (3) is mounted on one side of the emergency protection mechanism (2), a speed sensor (4) is mounted at the upper end of the car (3), a signal control box (5) is mounted on one side of the car, a cavity (6) is formed in the bottom of the car (3), and a plurality of groups of damping and buffering components (7) are mounted inside the cavity (6);

the emergency protection mechanism (2) comprises a double-end speed reduction motor (22), a support (213) and two symmetrical backup rods (21) which are arranged inside a hoistway (1), slide rails (23) are arranged on the inner sides of the two backup rods (21), two symmetrical first slide bars (24) are connected to the outer portions of the two slide rails (23) in a sliding manner from top to bottom, a slotted hole (25) is formed in each first slide bar (24), emergency protection assemblies (26) are arranged at two ends of each slotted hole (25), and a plurality of clamping grooves (27) are formed in the front side and the rear side of each backup rod (21) respectively;

urgent protection component (26) is including installing double-end cylinder (261) inside slotted hole (25), two flexible ends of double-end cylinder (261) all are connected with connecting plate (262), curb plate (263) are installed to one side of connecting plate (262), fixture block (264) and rubber block (265) are installed respectively to the inboard of curb plate (263).

2. The elevator fault emergency protection device according to claim 1, characterized in that the shock absorption and buffering assembly (7) comprises two symmetrical sets of bottom plates (71) and pressing seats (72), a damping rod (73) and a hinge seat (74) are respectively connected to one side of each pressing seat (72), a first buffer spring (75) is sleeved outside each damping rod (73), the two bottom plates (71) jointly form a fixed connection structure through a second sliding rod (76), and two limiting hinge seats (77) and a second buffer spring (78) are respectively sleeved outside each second sliding rod (76).

3. The elevator emergency protection device in accordance with claim 2, wherein the two ends of the second buffer spring (78) are respectively connected to the inner sides of the limit hinge seats (77), a push rod (79) is jointly hinged between the hinge seats (74) and the limit hinge seats (77), and the engaging groove (27) is adapted to the engaging block (264).

4. An elevator emergency protection device against failure as defined in claim 1, characterized in that a cross beam (28) is commonly installed on the top of the two rest bars (21), two symmetrical connecting seats (29) are respectively connected to the bottom of the cross beam (28), and pulleys (210) are sleeved inside the connecting seats (29).

5. An elevator emergency protection device according to claim 1, characterized in that the two first sliding bars (24) together form a fixed connection structure via a plurality of vertical bars (212), and the car (3) is mounted on the front side of the vertical bars (212).

6. The elevator emergency protection device according to claim 4, wherein a winding drum (214) is connected to each of two power driving ends of the double-ended speed reduction motor (22), a steel wire rope (211) is sleeved outside the pulley (210), the tail end of the steel wire rope (211) is connected with the first sliding rod (24) at the top, and the initial end of the steel wire rope is wound inside the winding drum (214).

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