CN113734931A

CN113734931A - Supplementary rescue device of many functional type elevator

Info

Publication number: CN113734931A
Application number: CN202110994052.5A
Authority: CN
Inventors: 白植志; 周媛媛; 杨吴奔; 李武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2021-12-03
Anticipated expiration: 2041-08-27
Also published as: CN113734931B

Abstract

The utility model provides a supplementary rescue device of multi-functional type elevator, including the car, there is the track the car left and right sides, there is first spout the track towards car one side, there is the slide bar on the car, the first gyro wheel of wheel carrier installation is passed through to the slide bar outer end, there is first piston cylinder at the middle part on the car, there is first air inlet on the first piston cylinder, there is the second piston cylinder on the first piston cylinder left and right sides, there is the movable rod in the second piston cylinder, there is the connecting block in the movable rod outer end, there is the second gyro wheel in elastic movable structure installation connecting block one side, there is the movable block under the first piston cylinder, there is disappointing controlling means between movable block and second piston cylinder, there is first check valve in the first air inlet. According to the elevator, under the action of gravity acceleration in the falling process of the elevator, the first idler wheel moves along the wave-shaped structure of the first sliding groove, so that the speed of external air entering the first piston cylinder is increased, the pressure perpendicular to the first sliding groove is applied to the second idler wheel, full-mechanical passive braking is achieved, and rescue of people inside the elevator is achieved.

Description

Supplementary rescue device of many functional type elevator

Technical Field

The invention belongs to the field of elevator rescue devices, and particularly relates to a multifunctional elevator auxiliary rescue device.

Background

With the development and progress of the current society, more and more high-rise buildings are provided, elevators are hardware facilities which must be equipped for the high-rise buildings, the elevator is easy to age in the event of falling of the elevator along with the increase of the service life of the elevator, and for the event of falling of the elevator, the existing elevator is rarely provided with facilities which can assist in rescue in the falling process, particularly in the falling process of the elevator, the phenomena that electronic equipment cannot be used and power in the elevator cannot be supplied may occur in the elevator, so that people trapped in the elevator can only wait for rescue of external people, and safety accidents are easy to occur.

Disclosure of Invention

The invention provides a multifunctional elevator auxiliary rescue device, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a multifunctional elevator auxiliary rescue device comprises a lift car, wherein two vertical rails are respectively arranged on the left side and the right side of the lift car, one side of each rail, which faces the lift car, is provided with a wave-shaped first sliding groove, the top surface of the lift car is provided with two second sliding grooves which are bilaterally symmetrically distributed, one sides of the second sliding grooves, which correspond to the rails, are respectively provided with an opening, sliding rods in sliding fit with the second sliding grooves are respectively arranged in the second sliding grooves, the outer ends of the sliding rods are respectively provided with a first roller wheel through a wheel carrier, the first roller wheels are in rolling fit with the first sliding grooves on the corresponding sides, the middle part of the top surface of the lift car is fixedly provided with a first piston cylinder with an opening at the lower end, a first piston in sealing contact fit with the first piston cylinder is arranged in the first piston cylinder, the top surface of the first piston cylinder is provided with a first air inlet, the upper parts of the left side and the right side of the first piston cylinder are respectively fixedly provided with a horizontal second piston cylinder, and a second piston rod in movable fit with the second piston cylinder are arranged in the second piston cylinder, the outer end of the second piston rod penetrates through the corresponding side of the second piston cylinder, one end of the second piston rod, which is far away from the first piston cylinder, is provided with a horizontal first through hole, the first through hole is internally provided with a movable rod which is in seal movable fit with the first through hole, a first spring is fixedly arranged between the inner end of the movable rod and the corresponding inner wall of the first through hole, the outer end of the movable rod is positioned outside the first through hole and is fixedly provided with a connecting block, one side of the connecting block, which is far away from the first piston cylinder, is provided with three second rollers which are uniformly distributed up and down through an elastic movable structure, the elastic movable structure enables the corresponding three second rollers to be simultaneously in rolling fit with the first chute, the inner lower part of the first piston cylinder is provided with a movable block which is in contact fit with the first piston cylinder, the second spring is fixedly arranged between the movable block and the first piston, the left side and the right side of the lower part of the first piston cylinder are respectively provided with vertical through holes, and a connecting rod is hinged between the first piston and the sliding rod on the corresponding side, the connecting rod runs through the vertical through-hole that corresponds the side, be equipped with the controlling means that loses heart between the second piston cylinder of movable block and corresponding side, the removal of movable block makes the second piston cylinder that corresponds the side communicate with each other with the outside through losing heart controlling means when the car normally operates and loses heart, it loses heart controlling means makes the second piston cylinder not communicate with each other with the outside and stops losing heart to lose heart when the car falls fast, the left and right sides of first piston cylinder is seted up respectively and is corresponded the inside communicating second air inlet of second piston cylinder of side, the first check valve of outside inside air admission of fixed mounting outside in the first air inlet, second air inlet fixed mounting is from the second check valve of first piston cylinder to the inside air admission of second piston cylinder.

The multifunctional elevator auxiliary rescue device comprises the air leakage control device and the air leakage control device, wherein the air leakage control device comprises a bracket and a conical hole, the stopple, the left and right sides of movable block is fixed mounting horizontal pole respectively, the eighth through-hole coaxial with the bell mouth is seted up to the top surface of horizontal pole, the vertical through-hole that corresponds the side is run through respectively to the outer end of horizontal pole, the big bell mouth in the little inside of outside has all been seted up to the bottom of second piston cylinder, be equipped with the sealed contact complex stopple with it in the bell mouth, the bell mouth is located the second piston rod inboard all the time, the lower part of stopple is equipped with the installation pull rod of type of falling T, the upper end of vertical through-hole is located the lower part outside of first piston, the vertical portion of pull rod runs through the eighth through-hole that corresponds in proper order, the bottom surface of bell mouth fixed connection stopple, the umbelliform casing of the vertical portion upper portion fixed mounting concave surface of pull rod up, the casing is located under the bell mouth that corresponds, several fourth springs of fixed mounting between the upper end of casing and the second piston cylinder bottom.

The multifunctional elevator auxiliary rescue device comprises a top plate positioned at the upper part and a box body with an opening at the upper end positioned at the lower part, wherein a vertical third through hole is formed in the middle of the top surface of the top plate, a baffle is hinged to the bottom surface of the top plate and shields the lower end of the third through hole, a fourth through hole is formed in the upper part of a second piston cylinder positioned on one side, a pressure release valve is installed in the fourth through hole, a second air cylinder with a movable rod inclining downwards is hinged between one side wall in the third through hole and the top surface of the baffle, the cylinder body of the second air cylinder is communicated with the outer end of the fourth through hole through a connecting hose, a stacked rope ladder is arranged in the third through hole, the upper end of the rope ladder is fixedly connected with the bottom surface of a connecting block, the box body is divided into a light inner box body and an outer box body, the upper end of the inner box body is fixedly connected with the bottom of the top plate, slots are respectively formed in the left side and the right side of the outer box body, two L-shaped inserting blocks which are bilaterally symmetrical, the horizontal end homoenergetic of inserted block is pegged graft with the slot that corresponds the side and is cooperated, and the horizontal part of inserted block is articulated to be installed in the corresponding side of roof, and articulated installation movable rod is to the ascending elasticity telescopic link in inserted block one side slant between the outer end of horizontal pole and the vertical end of the inserted block that corresponds the side.

As above a supplementary rescue device of multi-functional type elevator, elasticity movable structure include blind hole, cross slot, branch, slider, third spring, evenly distributed's blind hole about three being is seted up respectively to one side that first piston cylinder was kept away from to the connecting block, the cross slot is seted up respectively to the upper and lower both sides of blind hole, all be equipped with branch in the blind hole, be equipped with sliding fit's slider with it in the cross slot respectively, fixed mounting third spring between slider and the cross slot inside wall that corresponds, the outer end of slider is the inner outside of the branch that fixed connection corresponds respectively, the outer end of branch is located the blind hole outside that corresponds respectively, the outer end of branch all passes through wheel carrier installation second gyro wheel.

The invention has the advantages that: the invention is suitable for the auxiliary rescue of the high-rise elevator; when the elevator normally runs up and down, as shown in fig. 1, in the process that the first idler wheel vertically moves along the first sliding groove of the wave-shaped structure at the corresponding side, the sliding rod at the corresponding side horizontally reciprocates along the corresponding second sliding groove, the horizontal reciprocating movement of the sliding rod pulls the first piston to vertically reciprocate along the first piston cylinder through the connecting rod, so that outside air intermittently enters the first piston cylinder through the first check valve, and because the first piston cylinder is communicated with the second piston cylinder through the second check valve, when the first piston moves upwards, the air in the first piston cylinder enters the second piston cylinder through the second check valve, so that the second piston rod moves along one side far away from the first piston cylinder, and is buffered through the first through hole and the first spring inside the first through hole, so that the connecting block and the corresponding second idler wheel are always in rolling fit with the first sliding groove to vertically move, meanwhile, the three second rollers are always in rolling fit with the first sliding groove through the elastic movable structure, the connecting block and the movable rod cannot generate angular deviation and keep stable, and meanwhile, the second piston cylinder is provided with the air leakage control device, so that air entering the second piston cylinder is leaked to the outside through the air leakage control device, and a second piston rod in the second piston cylinder horizontally reciprocates; when the elevator descends at a high speed, the first roller wheel moves along the first sliding groove on the corresponding side at an increased speed, meanwhile, the sliding rod moves horizontally and reciprocally along the corresponding second sliding groove at an increased speed, the first piston moves vertically and reciprocally at an increased speed, so that air enters the first piston cylinder and then enters the second piston cylinder at an increased speed, the air entering the second piston cylinder is at an increased frequency, the corresponding second piston cylinder is not communicated with the outside and stops leaking by the air leakage control device, so that the air is gathered in the second piston cylinder, the pressure in the second piston cylinder is increased, the air in the second piston cylinder pushes the second piston rod and the connecting block, the second roller wheel applies pressure to the first sliding groove, and along with the increase of the air pressure in the second piston cylinder, the pressure of the second piston rod to the first sliding groove is increased, so that the resistance is increased by rolling the second roller wheel along the first sliding groove, thereby realizing the braking of the whole elevator through the second roller; the elevator falling speed is increased rapidly under the action of the gravity acceleration in the elevator falling process, the first roller moves along the wave-shaped structure of the first sliding groove, the speed of external air entering the first piston cylinder is increased through the linkage of the sliding rod and the connecting rod, and therefore pressure perpendicular to the first sliding groove is applied to the second roller, full-mechanical passive braking is achieved, and rescue of people inside the elevator is achieved.

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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1I; FIG. 3 is an enlarged view of a portion of FIG. 1 II; FIG. 4 is an enlarged view of a portion of FIG. 1 III; FIG. 5 is an enlarged view of a portion of FIG. 1 IV.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A multifunctional elevator auxiliary rescue device comprises a car 1, wherein two vertical rails 2 are respectively arranged on the left side and the right side of the car 1, wavy first chutes 3 are respectively arranged on one sides of the rails 2 facing the car 1, two bilaterally symmetrically distributed second chutes 4 are arranged on the top surface of the car 1, one sides of the second chutes 4 corresponding to the rails 2 are respectively opened, sliding rods 5 in sliding fit with the second chutes 4 are respectively arranged in the second chutes 4, first rollers 6 are respectively arranged at the outer ends of the sliding rods 5 through wheel carriers, the first rollers 6 are in rolling fit with the first chutes 3 on the corresponding sides, a first piston cylinder 7 with an opening at the lower end is fixedly arranged in the middle of the top surface of the car 1, a first piston 8 in sealing contact fit with the first piston cylinder 7 is arranged in the first piston cylinder 7, a first air inlet 9 is arranged on the top surface of the first piston cylinder 7, horizontal second piston cylinders 10 are respectively fixedly arranged on the upper portions of the left side and the right side of the first piston cylinder 7, a second piston rod 11 which is movably matched with the second piston rod is arranged in each second piston cylinder 10, the outer end of each second piston rod 11 penetrates through the corresponding side of each second piston cylinder 10, a horizontal first through hole is formed in one end, far away from each first piston cylinder 7, of each second piston rod 11, a movable rod which is movably matched with each first through hole in a sealing mode is arranged in each first through hole 12, a first spring 14 is fixedly installed between the inner end of each movable rod 13 and the corresponding inner wall of each first through hole 12, the outer end of each movable rod 13 is located outside each first through hole 12, a connecting block 15 is fixedly installed on each first through hole 15, three second rollers 16 which are uniformly distributed up and down are installed on one side, far away from each first piston cylinder 7, of each connecting block 15 through an elastic movable structure, the corresponding three second rollers 16 are simultaneously matched with the first sliding grooves 3 in a rolling mode, a movable block 19 which is matched with the first piston cylinders in a contact mode is arranged on the lower portion in the first piston cylinders 7, and second springs 20 are fixedly installed between the movable blocks 19 and the first pistons 8, vertical through holes 21 are respectively formed in the left side and the right side of the lower portion of the first piston cylinder 7, a connecting rod 23 is hinged between the first piston 8 and the sliding rod 5 of the corresponding side, the connecting rod 23 penetrates through the vertical through hole 21 of the corresponding side, an air leakage control device is arranged between the movable block 19 and the second piston cylinder 10 of the corresponding side, when the car 1 normally runs, the movable block 19 moves, the second piston cylinder 10 of the corresponding side is communicated with the outside to be leaked through the air leakage control device, when the car 1 descends at a high speed, the piston cylinder 10 is not communicated with the outside to stop leaking air through the air leakage control device, second air inlets 24 communicated with the inside of the second piston cylinder 10 of the corresponding side are respectively formed in the left side and the right side of the first piston cylinder 7, first check valves for air inflow from the outside to the inside are fixedly installed in the first air inlets 9, and second check valves for air inflow from the first piston cylinder 7 to the inside of the second piston cylinder 10 are fixedly installed in the second air inlets 24. The invention is suitable for the auxiliary rescue of the high-rise elevator; when the elevator runs normally up and down, as shown in fig. 1, in the process that the first roller 6 moves vertically along the first chute 3 with the wave-shaped structure at the corresponding side, the sliding rod 5 at the corresponding side moves horizontally and reciprocally along the corresponding second chute 5, the horizontal and reciprocal movement of the sliding rod 5 pulls the first piston 8 to move vertically and reciprocally along the first piston cylinder 7 through the connecting rod 23, so that the external air intermittently enters the first piston cylinder 7 through the first check valve, and because the first piston cylinder 7 is communicated with the second piston cylinder 10 through the second check valve, when the first piston 8 moves upwards, the air in the first piston cylinder 7 enters the second piston cylinder 10 through the second check valve, so that the second piston rod 11 moves along the side far from the first piston cylinder 7, and is buffered through the first through hole 12 and the first spring 14 inside thereof, the connecting block 15 and the corresponding second idler wheels 16 are always in rolling fit with the first chute 3 to move vertically, meanwhile, the three second idler wheels 16 are always in rolling fit with the first chute 3 through the elastic movable structure, the connecting block 15 and the movable rod 13 cannot deviate in angle and keep stable, and meanwhile, due to the fact that the second piston cylinder 10 is provided with the air leakage control device, air entering the second piston cylinder 10 is leaked to the outside through the air leakage control device, and therefore the second piston rod 11 in the second piston cylinder 10 moves horizontally in a reciprocating mode; when the elevator descends at high speed, the moving speed of the first roller 6 along the first chute 3 on the corresponding side is accelerated, meanwhile, the horizontal reciprocating moving speed of the sliding rod 5 along the corresponding second chute 6 is accelerated, the vertical reciprocating moving speed of the first piston 8 is accelerated, so that the speed of air entering the first piston cylinder 7 and then entering the second piston cylinder 10 is accelerated, the frequency of air entering the second piston cylinder 10 is accelerated, the air leakage control device enables the corresponding second piston cylinder 10 not to be communicated with the outside and stops air leakage, so that the air is gathered in the second piston cylinder 10, the pressure in the second piston cylinder 10 is increased, the air in the second piston cylinder 10 pushes the second piston rod 11 and the connecting block 15, the second roller 16 to apply pressure to the first chute 3, and along with the increase of the air pressure in the second piston cylinder 10, the pressure of the second piston rod 11 to the first chute 3 is increased, so that the braking of the whole elevator is achieved by the second roller 16 by increasing the resistance to the second roller 16 rolling along the first runner 3; the elevator falling speed is increased rapidly under the action of the gravity acceleration in the elevator falling process, the first roller 6 moves along the wave-shaped structure of the first sliding groove 3, the speed of external air entering the first piston cylinder 7 is increased through the linkage of the sliding rod 5 and the connecting rod 23, and the pressure perpendicular to the first sliding groove 3 is applied to the second roller 16, so that full-mechanical passive braking is realized, and the rescue of personnel in the elevator is realized.

Specifically, as shown in fig. 2, the air leakage control device of this embodiment includes a support 22, a tapered hole 17, and a hole plug 18, a cross rod 39 is fixedly mounted on each of the left and right sides of a movable block 19, an eighth through hole 50 coaxial with the tapered hole 17 is formed on the top surface of the cross rod 39, vertical through holes 21 on the corresponding side are respectively penetrated through the outer end of the cross rod 39, tapered holes 17 with small outside and large inside are formed in the bottom of a second piston cylinder 10, the hole plug 18 in sealing contact with the tapered holes 17 is arranged in the tapered holes 17, the tapered holes 17 are always located on the inner side of a second piston rod 11, an inverted T-shaped mounting pull rod 22 is arranged on the lower portion of the hole plug 18, the upper end of the vertical through hole 21 is located on the outer side of the lower portion of the first piston 8, the vertical portion of the pull rod 22 sequentially penetrates through the corresponding eighth through hole 50 and the bottom surface of the tapered hole 17 to be fixedly connected to the bottom surface of the hole plug 18, an umbrella-shaped housing 25 with an upward concave surface is fixedly mounted on the upper portion of the vertical portion of the pull rod 22, the shell 25 is positioned right below the corresponding conical hole 17, and a plurality of fourth springs 51 are fixedly arranged between the upper end of the shell 25 and the bottom of the second piston cylinder 10. When the elevator normally runs up and down, in the process that the first roller 6 moves along the first sliding groove 3 on the corresponding side, the sliding rod 5 horizontally reciprocates along the corresponding second sliding groove 5, so that the connecting rod 23 pulls the first piston 8 to vertically reciprocate, external air intermittently enters the first piston cylinder 7 and then enters the second piston cylinder 10, the vertical movement of the first piston 8 drives the movable block 19 to vertically move in a small range, and because a plurality of fourth springs 51 are fixedly arranged between the upper end of the shell 25 and the bottom of the second piston cylinder 10, the vertical movement of the movable block 19 drives the cross rod 39 to vertically move, so that the support rod 22 cannot be vertically moved by the vertical movement of the cross rod 39, the hole plugs 18 respectively keep a gap with the corresponding tapered holes 17, and the corresponding second piston cylinders 10 are respectively communicated with the outside to release air, the second piston rod 11 in the second piston cylinder 10 horizontally reciprocates, so that all the second rollers 16 are always in rolling fit with the first sliding chute 3 through an elastic movable structure; when the elevator is rapidly lowered, the first roller 6 moves faster along the first sliding chute 3 on the corresponding side, meanwhile, the speed of the horizontal reciprocating movement of the sliding rod 5 along the corresponding second sliding chute 6 is accelerated, the speed of the vertical reciprocating movement of the first piston 8 is accelerated, so that the speed of air entering the first piston cylinder 7 and then entering the second piston cylinder 10 is increased, the pressure in the second piston cylinder 10 is increased due to the continuous entering of the air, the air flow rate passing through the taper hole 17 to the outside is increased, since the concave surface of the housing 25 at the lower portion of the tapered hole 17 is directed upward, the pressure of the air against the housing 25 is increased, so that the air blown out from the tapered hole 17 pushes the movable block 19 to move downward through the rod 22, thereby plugging the conical bore 17, so that the pressure in the second piston cylinder 10 continues to increase, thereby pushing the second piston rod 11, the movable block 19 and the second roller 16 to push the first sliding chute 3 for passive braking.

Specifically, as shown in fig. 1, the car 1 described in this embodiment includes a top plate 27 located on the upper portion and a box 28 located on the lower portion and having an opening at the upper end, a vertical third through hole 29 is formed in the middle of the top surface of the top plate 27, a baffle 30 is hinged to the bottom surface of the top plate 7, the baffle 30 shields the lower end of the third through hole 29, a fourth through hole 46 is formed in the upper portion of the second piston cylinder 10 located on one side, a pressure release valve 31 is installed in the fourth through hole 31, a second cylinder 32 with a downward inclined movable rod is hinged between a side wall in the third through hole 29 and the top surface of the baffle 30, the cylinder body of the second cylinder 32 is communicated with the outer end of the fourth through hole 31 through a connection hose 33, stacked rope ladders 34 are arranged in the third through hole 29, the upper end of each rope ladder 34 is fixedly connected to the bottom surface of the connection block 23, the box 28 is divided into a light inner box 35 and an outer box 36, the upper end of the inner box 35 is fixedly connected to the bottom of the top plate 27, slots 37 are respectively formed in the left side and the right side of the outer box body 36, two L-shaped insertion blocks 38 which are bilaterally symmetrical are arranged on the outer side of the box body 28, the horizontal ends of the insertion blocks 38 can be in insertion fit with the slots 37 on the corresponding sides, the horizontal portions of the insertion blocks 38 are hinged to the corresponding sides of the top plate 27, and movable rods 40 which incline upwards to one side of the insertion blocks 38 are hinged to the outer ends of the cross rods 39 and the vertical ends of the insertion blocks 38 on the corresponding sides. When the elevator normally runs, people stand inside the box body, the insertion block 38 is in insertion fit with the insertion groove 37 on the corresponding side, the vertical part of the corresponding insertion block 38 is in a vertical state, the rope ladder 34 is stacked and stored in the third through hole 29, as shown in fig. 4, the movable rod of the second cylinder 32 is in a contraction state, the pressure in the second cylinder 10 cannot open the pressure release valve, when the elevator rapidly descends and cannot stop, the air pressure in the second cylinder 10 continuously increases, when the air pressure in the second cylinder 10 reaches the state of opening the pressure release valve 31, the air in the second cylinder 10 enters the second cylinder 32 through the connecting hose 33, the movable rod of the second cylinder 32 extends to push the baffle plate 29 to overturn downwards along the corresponding hinge point, so that the rope ladder 34 falls into the inner box body 1, the people in the box body 28 can make the movable block 19 and the first cylinder 7 move downwards by pulling the rope ladder 34 downwards, so that the outside air largely enters the inside of the first piston cylinder 7 and the second piston cylinder 10, thereby the second piston rod 11 moves to the outside, meanwhile, the second piston rod 11 pushes the corresponding second roller 16 towards one side of the first chute 3 by pulling the rope ladder 34 by people, thereby realizing manual active braking, during the process that people pull the rope ladder 34, the movable blocks 19 move downwards to enable the corresponding cross rods 39 to move downwards, the movement of the cross rods 39 pulls the vertical parts of the corresponding inserting blocks 38 to rotate around the hinged points of the vertical parts through the elastic telescopic rods 40, so that the horizontal ends of the insertion blocks 38 are separated from the corresponding insertion grooves 37, so that the outer case 36 is dropped downward by gravity, thereby make the weight of whole car 1 alleviate, the weight of whole elevator has alleviateed, and its speed when descending promotes and slows down, can effectual reinforcing arresting gear's braking effect.

Further, as shown in fig. 3, the elastic movable structure according to this embodiment includes a blind hole 41, a transverse groove 42, a supporting rod 43, a sliding block 44, and a third spring 45, wherein three blind holes 41 are respectively formed in one side of the connecting block 15 away from the first piston cylinder 7, the blind holes 41 are uniformly distributed up and down, the transverse grooves 42 are respectively formed in the upper and lower sides of the blind hole 41, the supporting rod 43 is respectively disposed in the blind hole 41, the sliding block 44 is slidably fitted in the transverse groove 42, the third spring 45 is fixedly mounted between the sliding block 44 and the inner side wall of the corresponding transverse groove 42, the outer end of the sliding block 44 is respectively fixedly connected to the outer side of the inner end of the corresponding supporting rod 43, the outer end of the supporting rod 43 is respectively located on the outer side of the corresponding blind hole 41, and the outer end of the supporting rod 43 is respectively mounted with the second roller 16 through the wheel carrier. In the using process, because the three second rollers 16 located on the same side are distributed up and down, and the first sliding groove 3 is wavy, in the process that the second rollers 16 roll along the first sliding groove 3, the third spring 45 provides thrust to one side of the first sliding groove 3 for the sliding block 44, so that the second rollers 16 are always in rolling fit with the first sliding groove 3.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a supplementary rescue device of multi-functional type elevator which characterized in that: comprises a lift car (1), the left side and the right side of the lift car (1) are respectively provided with two vertical tracks (2), one side of each track (2) facing the lift car (1) is provided with a wavy first chute (3), the top surface of the lift car (1) is provided with two second chutes (4) which are symmetrically distributed in the left and right directions, one sides of the second chutes (4) corresponding to the tracks (2) are respectively provided with an opening, the second chutes (4) are internally provided with sliding rods (5) which are in sliding fit with the second chutes, the outer ends of the sliding rods (5) are respectively provided with first idler wheels (6) through wheel carriers, the first idler wheels (6) are in rolling fit with the first chutes (3) at the corresponding sides, the middle part of the top surface of the lift car (1) is fixedly provided with a first piston cylinder (7) with an opening at the lower end, the first piston cylinder (7) is internally provided with a first piston (8) which is in sealing contact fit with the first piston cylinder, the top surface of the first piston cylinder (7) is provided with a first air inlet (9), the upper parts of the left side and the right side of the first piston cylinder (7) are fixedly provided with a horizontal second piston cylinder (10), the second piston cylinder (10) is internally provided with a second piston rod (11) which is movably matched with the second piston cylinder, the outer end of the second piston rod (11) penetrates through the corresponding side of the second piston cylinder (10), one end of the second piston rod (11) far away from the first piston cylinder (7) is provided with a horizontal first through hole, the first through hole (12) is internally provided with a movable rod which is movably matched with the first through hole in a sealing way, a first spring (14) is fixedly arranged between the inner end of the movable rod (13) and the corresponding inner wall of the first through hole (12), the outer end of the movable rod (13) is positioned outside the first through hole (12) and is fixedly provided with a connecting block (15), one side of the connecting block (15) far away from the first piston cylinder (7) is provided with three second idler wheels (16) which are uniformly distributed up and down through an elastic movable structure, the elastic movable structure enables the corresponding three second rollers (16) to be simultaneously in rolling fit with the first sliding groove (3), the lower portion in the first piston cylinder (7) is provided with a movable block (19) in contact fit with the first piston cylinder, a second spring (20) is fixedly installed between the movable block (19) and the first piston (8), the left side and the right side of the lower portion of the first piston cylinder (7) are respectively provided with a vertical through hole (21), a connecting rod (23) is hinged between the first piston (8) and the sliding rod (5) on the corresponding side, the connecting rod (23) penetrates through the vertical through hole (21) on the corresponding side, an air leakage control device is arranged between the movable block (19) and the second piston cylinder (10) on the corresponding side, when the car (1) normally runs, the movable block (19) moves to enable the second piston cylinder (10) on the corresponding side to be communicated with the outside for air leakage through the air leakage control device, when the car (1) descends at a high speed, the air leakage control device enables the second piston cylinder (10) not to be communicated with the outside to stop air leakage, and the left side and the right side of the first piston cylinder (7) are respectively provided with a second air inlet (24) communicated with the inside of the second piston cylinder (10) at the corresponding side, a first one-way valve for air inlet from the outside to the inside is fixedly arranged in the first air inlet (9), and a second one-way valve for air inlet from the first piston cylinder (7) to the inside of the second piston cylinder (10) is fixedly arranged in the second air inlet (24).

2. The multifunctional elevator auxiliary rescue device according to claim 1, characterized in that: the air leakage control device comprises a support (22), a tapered hole (17) and a hole plug (18), wherein a transverse rod (39) is fixedly installed on the left side and the right side of a movable block (19) respectively, an eighth through hole (50) coaxial with the tapered hole (17) is formed in the top surface of the transverse rod (39), the outer end of the transverse rod (39) penetrates through a vertical through hole (21) on the corresponding side respectively, tapered holes (17) with small outside and large inside are formed in the bottom of a second piston cylinder (10), the hole plug (18) in sealing contact fit with the tapered holes (17) is arranged in the tapered holes (17), the tapered holes (17) are always located on the inner side of a second piston rod (11), an inverted T-shaped installation pull rod (22) is arranged on the lower portion of the hole plug (18), the upper end of the vertical through hole (21) is located on the outer side of the lower portion of a first piston (8), the vertical portion of the pull rod (22) penetrates through the corresponding eighth through hole (50) in sequence, and the bottom surface of the tapered hole plug (17) is fixedly connected with the hole plug (18), an umbrella-shaped shell (25) with an upward concave surface is fixedly installed at the upper part of the vertical part of the pull rod (22), the shell (25) is positioned under the corresponding conical hole (17), and a plurality of fourth springs (51) are fixedly installed between the upper end of the shell (25) and the bottom of the second piston cylinder (10).

3. The multifunctional elevator auxiliary rescue device according to claim 2, characterized in that: the car (1) comprises a top plate (27) positioned on the upper portion and an upper end opening box body (28) positioned on the lower portion, a vertical third through hole (29) is formed in the middle of the top surface of the top plate (27), a baffle plate (30) is hinged to the bottom surface of the top plate (7), the lower end of the third through hole (29) is shielded by the baffle plate (30), a fourth through hole (46) is formed in the upper portion of a second piston cylinder (10) positioned on one side, a pressure air release valve (31) is installed in the fourth through hole (31), a movable rod obliquely downward second cylinder (32) is hinged between the inner side wall of the third through hole (29) and the top surface of the baffle plate (30), the cylinder body of the second cylinder (32) is communicated with the outer end of a fourth through hole (31) through a connecting hose (33), a stacked rope ladder (34) is arranged in the third through hole (29), the bottom surface of an upper end fixed connecting block (23) of the rope ladder (34), the box body (28) is divided into an inner light box body (35) and an outer box body (36), the upper end fixed connection roof (27) bottom of interior box (35), slot (37) are seted up respectively to the left and right sides of outer box (36), the outside of box (28) is equipped with two inserted blocks (38) that are bilateral symmetry's L type, the horizontal end homoenergetic of inserted block (38) is pegged graft the cooperation with slot (37) that correspond the side, the articulated side that corresponds in roof (27) of installing of horizontal part of inserted block (38), articulated installation movable rod is to ascending elastic telescopic rod (40) in inserted block (38) one side slant between the outer end of horizontal pole (39) and the vertical end of the inserted block (38) that corresponds the side.

4. A multi-functional type elevator auxiliary rescue apparatus as claimed in claim 1, 2 or 3, characterized in that: elastic movable structure include blind hole (41), cross slot (42), branch (43), slider (44), third spring (45), one side that first piston cylinder (7) was kept away from in connecting block (15) is seted up three blind hole (41) that are evenly distributed about respectively, cross slot (42) are seted up respectively to the upper and lower both sides of blind hole (41), all be equipped with branch (43) in blind hole (41), be equipped with slide fit's slider (44) with it in cross slot (42) respectively, fixed mounting third spring (45) between slider (44) and the cross slot (42) inside wall that corresponds, the inner outside of branch (43) that the outer end fixed connection corresponds respectively of slider (44), the outer end of branch (43) is located the blind hole (41) outside that corresponds respectively, the outer end of branch (43) all is through wheel carrier installation second gyro wheel (16).