CN110195568B

CN110195568B - Escape ladder for emergency

Info

Publication number: CN110195568B
Application number: CN201910484312.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Lishui Hi Tech Venture Capital Management Co Ltd
Current assignee: Nanjing Lishui Hi Tech Venture Capital Management Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2021-04-20
Anticipated expiration: 2039-06-05
Also published as: CN110195568A

Abstract

An escape ladder for emergency comprises a telescopic device arranged at the top end of a working main body, a stair device which can push the right side of the working main body and is fixedly connected with the telescopic device out, a fixing device and a working part which are arranged inside the left side of the working main body and are responsible for the connection and fixing function of the working main body and a wall surface, a transmission switching device which can convert power to a pedal device or a fixing device is arranged inside the working main body, a belt wheel transmission device is arranged inside the working main body, remote multi-directional power transmission can be carried out through the belt wheel device, the pedal device is arranged inside the working main body, power is transmitted to the pedal device through the transmission switching device, when the telescopic device works, the pedal device can be rapidly extended to the right side to realize the treading function of the escape ladder, so that an escape ladder rescue ladder can be rapidly built under emergency, the main body mechanism can also be expanded in various aspects, and provides beneficial help for rescue in various geographic environments.

Description

Escape ladder for emergency

Technical Field

The invention relates to the field of escape ladder application, in particular to an escape ladder device for emergency.

Background

The escape ladder is a safe and efficient escape ladder under emergency, which is fast, stable and convenient to use and can quickly respond to rescue under emergency, so that people can climb from an outer side wall surface, rescue up and down in high-rise buildings and save self.

Disclosure of Invention

The object of the present invention is to provide an emergency escape ladder which can improve the problems of the prior art.

According to the invention, the device of the invention is an emergency escape ladder, which comprises a main body structure, wherein the top end of the main body structure is provided with a telescopic device, the telescopic device consists of a rack and pinion and a primary motor, the outer side of the telescopic device is provided with a protective cover, the rack and pinion device can push out a stair device which is arranged at the right side of the main body structure and is fixedly connected with the telescopic device under the driving of the primary motor, when the telescopic device is pulled out, the inner part of the telescopic device is provided with a spring, so that the telescopic device can be more stably stretched in place without generating the problem of springback when being stretched, the inner part at the left side of the main body structure is provided with a secondary motor and a plurality of transmission mechanisms, and the secondary motor is responsible for fixing the wall surface of the main body structure and stretching out the pedals at the inner part at, puncture the wall with the inside spiral binding nail in left side, make major structure and wall connection firm, the inside transmission auto-change over device that is provided with of major structure, transmission auto-change over device can convert power to footboard device or fixing device, the footboard device set up in the right-hand member of major structure, just the footboard device can play the effect of trampling when being convenient for personnel withdraw fast, and wherein the automatic wholeness ability of device structure is high, makes things convenient for personnel's operation and implementation fast to can also retrieve after the use and carry out repetitious usage, long service life and security performance are good.

Further technical scheme, the right-hand member of major structure is provided with the opening right circular spring spout, be provided with scalable and the supporting one-level telescopic link, second grade telescopic link and the tertiary telescopic link of connecting each other in the circular spring spout, the left end of tertiary telescopic link is led in the spring spout and is slided spacing and set firmly the roof pressure spring, the right-hand member of one-level telescopic link with stand piece left end fixed connection, after one-level motor drove the operation of top rack and pinion, the stand piece can remove to the right side to it is tensile to drive the telescopic link to the right side, and this structure can be opened under emergency fast.

According to the technical scheme, the secondary motor transmits power to the secondary shaft in a running mode, the secondary shaft drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the second bevel gear, the second bevel gear drives the first rotating shaft, the first rotating shaft drives the third bevel gear, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear drives the spline rotating shaft, the spline rotating shaft rotates to drive the spiral nail connected with the left end spline, the wall is punched, the main structure is connected with the wall, and the fixing stability of the main structure are guaranteed.

According to the technical scheme, when the first-level motor works, the transmission switching device drives the main shaft to rotate to drive the first gear, the first gear is meshed to drive the translation rack to move rightwards, the joint of the left side of the translation rack and the L-shaped sliding block is separated, the L-shaped sliding block moves upwards under the action of the spring, the L-shaped sliding block moves upwards to drive the ejector rod, the cylindrical block and the first bevel gear to move upwards simultaneously, the first bevel gear drives the sleeve to move upwards, the sleeve drives the second gear to move upwards, so that the second gear is meshed with the third gear on the right side, and transmission switching is achieved.

According to the technical scheme, the right side of the belt wheel of the transmission switching device is provided with the belt wheel which is connected with the transmission switching device in a power fit mode through the belt, the transmission switching device works to enable the first rotating shaft to work to drive the main belt wheel, the main belt wheel rotates to transmit power to the secondary belt wheel through the belt, and the secondary belt wheel drives the second rotating shaft to work to achieve power transmission of the belt wheel.

According to the technical scheme, the second rotating shaft rotates to transmit power to the fourth gear, the fourth gear is meshed with the straight-tooth rack, the straight-tooth rack moves towards the right side on the second guide sliding groove, the straight-tooth rack drives the upper end pedal to move towards the right side simultaneously, and a telescopic mechanism of the pedal is achieved.

The invention has the beneficial effects that: the device is convenient to use and simple in structure, the main body structure is quickly fixed on a wall body through the fixing device in the device, the switching device can automatically, quickly and effectively convert power to the belt wheel device, the power is transmitted to the pedal devices at all angles through the belt wheel device, manpower is saved, the whole device can be quickly unfolded, an escape ladder or a rescue ladder can be quickly built under emergency conditions, only the motor needs to be reversely rotated to be recycled, the main body mechanism can be expanded in all aspects, and more mechanisms are additionally arranged, so that the device can be used for providing beneficial help for rescue in various geographic environments and can be used for rescue in various geographic environments.

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

Drawings

Fig. 1 is a schematic view showing the overall construction of an escape ladder for emergency use according to the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 in the expanded state of operation.

Fig. 3 is a schematic cross-sectional view a-a of fig. 1.

Fig. 4 is an enlarged schematic view of B-B in fig. 1.

FIG. 5 is a schematic partial cross-sectional view of C-C of FIG. 1.

Fig. 6 is an overall multi-stage operation of the structure of fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1-3, the invention relates to an emergency escape ladder, which comprises a main body structure 6, wherein a telescopic device is arranged at the top end of the main body structure 6, the telescopic device consists of a gear rack and a primary motor 12, a protective cover 1 is arranged outside the telescopic device, the problems of rusting of the device, water inflow of the primary motor 12 and the like caused by the fact that a guide slide block 4 of the primary motor 12 and a gear 14 rack 3 is exposed in an outdoor state under the unopened state are avoided, the gear rack device can push out a stair device which is arranged at the right side of the main body structure 6 and fixedly connected with the telescopic device under the driving of the primary motor 12, when the telescopic device is pulled out, a spring is arranged inside the telescopic device, the telescopic device is stretched more stably, the problem of rebounding is avoided after the stair device is stretched in place, a fixing device and a plurality of transmission mechanisms are arranged inside the left, is responsible for the connection and fixation function of the main structure 6 and the wall surface, wherein when the secondary motor 5 works, the spiral fastening nail inside the left side is punctured through the transmission of the gear set to ensure the stable connection of the main structure and the wall body, and the main structure and the wall body can be fixed quickly and stably under the action of the motor, so that the installation efficiency is greatly improved, and the manpower is reduced more conveniently, the transmission switching device is arranged inside the main structure, the transmission switching device can convert the power to the pedal device or the fixing device, the pedal device is arranged in the right end of the main structure 6, and the pedal device can play a role of treading when people evacuate quickly, the mechanism can be opened quickly under emergency through the driving of each motor, the structural stability is ensured, the safe evacuation is safer and more effective, and the right side expansion device and the pedal device can be recycled when the primary motor and the secondary motor are reversed, the rack makes the major structure save space more to can reuse when guaranteeing future special circumstances, the automatic wholeness ability of major structure can be high, makes things convenient for personnel's operation and extends functional height, is used for mechanism to open fast efficient and effectual under the emergency, and long-lived and the security of use is high.

Beneficially, the telescopic device comprises a protection cover 1 fixedly connected with the upper end of a main body structure 6, a first cavity 2 is arranged in the protection cover 1, a first-stage motor 12 is fixedly arranged in the first cavity 2, the lower end of the first-stage motor 12 is connected with a main shaft 13 in a power fit manner, a first gear 14 capable of rotating in the first cavity 2 is fixedly arranged on the main shaft 13, a sliding rack 3 is connected with the rear end of the first gear 14 in a meshing and fit manner, first guide sliding grooves 4 with opposite openings are symmetrically arranged on the inner walls of the front side and the rear side of the first cavity 2, a guide sliding limiting block extending into the first guide sliding grooves 4 is fixedly arranged at the front end and the rear end of the sliding rack 3, the left end of the sliding rack 3 is arranged to be a trapezoid block structure and is paired with the upper end of the switching device, the right end of the sliding rack 3 extends out of the main body structure, the butt-joint block 15 is fixedly provided with an induction flashing lamp 16, the induction flashing lamp 16 plays a role of prompting the working state, the lower end of the butt-joint block 15 is fixedly connected with a column block 21, the right end of the main body structure 6 is provided with a circular spring chute 17 with a right opening, a first-stage telescopic rod 20, a second-stage telescopic rod 19 and a third-stage telescopic rod 18 which can be telescopic and are mutually matched and connected are arranged in the circular spring sliding groove 17, the left end of the three-stage telescopic rod 18 is positioned in the spring sliding groove 17 for guiding and limiting, and is fixedly provided with a jacking spring 11, the right end of the one-stage telescopic rod 20 is fixedly connected with the left end of the upright block 21, when the first-stage motor drives the top gear rack to operate, the upright post block can move towards the right side and drive the telescopic rod to stretch towards the right side, the structure can be quickly opened in emergency, and stable in structure, convenient operation save time, thus for emergency more time is strived for and subsequent work brings the benefit.

Beneficially, the fixing device is provided with a second cavity 51 fixedly connected with the inside of the left side of the main body structure 6, the second cavity 51 is symmetrically provided with second cavities 41 at the front and back sides, a secondary motor 5 is fixedly arranged inside the second cavity 51, the lower end of the secondary motor 5 is provided with a secondary shaft 34 fixedly matched with the main body structure 6 through a bearing, a second gear 33 is fixedly installed on the secondary shaft 34, a sleeve 31 is fixedly installed at the lower end of the second gear 33, a first bevel gear 35 is fixedly arranged at the lower end of the sleeve, the front end of the first bevel gear 35 is in meshing fit connection with a second bevel gear 44, a first rotating shaft 43 is fixedly connected at the axis of the second bevel gear 44, a third bevel gear 42 is fixedly connected at the front end of the first rotating shaft 43, a fourth bevel gear 38 is in meshing fit connection at the left side of the third bevel gear 42, and a spline rotating shaft 39 is fixedly, the left end of the spline rotating shaft 39 is provided with a spline-connected screw nail 30, the secondary motor 5 operates to transmit power to the secondary shaft 34, the secondary shaft 34 drives the first bevel gear 35 to rotate, the first bevel gear 35 is engaged with the second bevel gear 44, the second bevel gear 44 drives the first rotating shaft 43, the first rotating shaft 43 drives the third bevel gear 42, the third bevel gear 42 is engaged with and drives the fourth bevel gear 38, the fourth bevel gear 38 drives the spline rotating shaft 39, the spline rotating shaft 39 rotates to drive the spiral nail 30 connected with the left end spline, the main body structure is connected with the wall body by punching the hole in the wall, the fixation stability is ensured, the fixing time can be effectively saved by the structure, and under the drive of motor, the installation is more firm to use manpower sparingly make under emergency faster completion installation and put into use, also played important effect in later stage's dismantlement and maintenance.

Beneficially, the transmission switching device is arranged in a second cavity 51 inside the main body structure 6, a secondary motor 5 is fixedly arranged inside the second cavity 51, a secondary shaft 34 is fixedly arranged below the motor 5, a second gear 33 is fixedly arranged at the lower end of the secondary shaft 34, a third gear 32 is arranged on the right side of the second gear 33, a sleeve 31 is fixedly arranged on the lower side of the second gear 33, a first bevel gear 35 is fixedly arranged at the lower end of the sleeve 31, a cylindrical block 36 is arranged at the lower end of the first bevel gear 35, a push rod 37 is fixedly arranged on the lower side of the cylindrical block 36, a third cavity 29 is arranged on the lower side of the push rod 37, an L-shaped sliding block 28 is slidably arranged inside the third cavity 29, an up-down expansion spring 27 which is bilaterally symmetrical is fixedly arranged at the lower end of the L-shaped sliding block 28, and a trapezoidal block structure is arranged at the upper,

when the primary motor 12 works, the main shaft 13 is driven to rotate to drive the first gear 14, the first gear 14 is meshed to drive the translational rack 3 to move rightwards, the joint of the left side of the translational rack 3 and the L-shaped sliding block 28 is separated, the L-shaped sliding block 28 moves upwards under the action of the spring 27, the L-shaped sliding block 28 moves upwards to drive the ejector rod 27, the cylindrical block 36 and the first bevel gear 35 to move upwards simultaneously, the first bevel gear 35 drives the sleeve 31 to move upwards, the sleeve 31 drives the second gear 33 to move upwards, so that the second gear 33 is meshed with the right third gear 32 to realize transmission switching, the transmission mechanism of the fixing device is converted into power transmission of a belt wheel, the efficiency is switched in effectual improvement transmission, realizes automatic switching function, guarantees the timeliness under emergency, provides more time for subsequent work, uses manpower sparingly and makes whole mechanism launch more swiftly convenient.

Beneficially, the transmission switching device includes a fourth cavity 10 disposed inside the main body structure 6, a rotating shaft 7 is fixedly disposed in the fourth cavity 10, the rotating shaft 7 and the main body structure 6 are connected and fixed through a bearing, a primary pulley 8 is fixedly disposed on the rotating shaft 7, a transmission gear 32 fixedly connected with the lower side of the first rotating shaft 7 is fixedly disposed at the lower end of the primary pulley 8, a second rotating shaft 25 is disposed at the right front end of the primary pulley 8, a secondary pulley 40 is fixedly disposed at the axis of the second rotating shaft 25, a pulley 40 connected with the right side of the pulley 8 through a belt in a power fit manner is disposed at the right side of the pulley 8, after the transmission switching device is operated, the first rotating shaft 7 is operated to drive the primary pulley 8, the primary pulley 8 rotates to transmit power to the secondary pulley 40 through the belt, the secondary pulley 40 drives the second rotating shaft 25 to operate, so that the power transmission of the pulley device realizes the power switching of the, the belt wheel device can be used for long-distance multi-directional power transmission, and the overload protection effect can be realized under the condition of ensuring the stability of power.

Beneficially, the pedal device is disposed in a fifth cavity 22 inside a main body structure 6, a right L-shaped opening 9 is disposed at a right end of the main body structure 6, a second rotating shaft 25 is disposed inside the fifth cavity 22, a fourth gear 53 is fixedly disposed on the second rotating shaft 25, a straight rack 24 engaged with each other is disposed at a front side of the fourth gear 53, a slide guide limiting block extending into the second slide guide groove 26 is fixedly disposed at a front end and a rear end of the straight rack 24, a second slide guide groove 26 is fixedly disposed below the straight rack 24, a slide guide limiting block extending into the second slide guide groove 26 is fixedly disposed at a front end and a rear end of the straight rack 24, a pedal 23 is mounted at an upper end of the straight rack 24, the second rotating shaft 25 rotates to transmit power to the fourth gear 53, the fourth gear 53 is engaged with the straight rack 24, the straight rack 24 moves to a right side on the second slide guide groove 26, and straight-tooth rack 24 drives upper end footboard 23 and removes to the right side simultaneously, realizes the flexible mechanism of footboard, through rack and pinion's motion, can steadily quick remove out the footboard for whole mechanism convenient and fast, the great saving time of automatic flexible mode, firm structure makes can better guarantee safety under the emergency. The operation and the expansion of personnel are convenient, and the functionality is high.

When an emergency occurs, the main body structure 6 is placed on a wall body to be installed, when the secondary motor 5 operates, the secondary shaft 34 is driven, the secondary shaft 34 drives the first bevel gear 35, the first bevel gear 35 drives the second bevel gear 44, the second bevel gear 44 drives the first rotating shaft 43, the first rotating shaft 43 drives the third bevel gear 42, the third bevel gear 42 drives the fourth bevel gear 38, the fourth bevel gear 38 drives the spline rotating shaft 39, the transmission shaft drives the spiral nail 30 in spline connection, the spline rotating shaft 39 drives the spiral nail 30 to rapidly punch holes in the wall body to realize the connection of the main body structure and the wall body, the installation stability is ensured, the upright block 21 moves to the right side through the operation of the primary motor 12, the multi-stage

telescopic rods

20, 19 and 18 are pulled out to the right side, and at the moment, the left side of the sliding rack 3 is separated from the connection part of the upper end of the L-shaped sliding block 28, make transmission auto-change over device begin the operation, switch fixing device's power to the footboard device, second gear 33 meshes with drive gear 32 mutually, through belt drive with power connection to second pivot 25, second pivot 25 operation this moment drives fourth gear 53 will straight-tooth rack 24 moves to the right side along second guide chute 26, footboard 23 and straight-tooth rack 24 dock with stand piece 21 mutually, realize stable structure, and the mechanism is opened completely this moment, can be used to flee fast under the emergency.

Through the setting of telescoping device part, can open fast under emergency to stable in structure, convenient operation save time strives for more time for emergency and brings the benefit for subsequent work.

Through the arrangement of the fixing device parts, holes can be punched in the wall, the connection of the main body structure and the wall body is realized, the stable installation of the main body structure is ensured, the fixing time can be effectively saved, the main body structure is more stable and firm to install under the driving of a motor, the labor is saved, the installation can be completed more quickly under the emergency condition and the main body structure is put into use, and the main body structure plays an important role in later-stage disassembly and maintenance;

through the arrangement of the transmission switching component, the belt wheel device can realize the power switching of the fixing device through the transmission switching device, can carry out long-distance multi-direction power transmission through the belt wheel device, and can also realize the overload protection effect under the condition of ensuring the stability of power;

through the setting of band pulley drive disk assembly, can carry out long-range multidirectional power transmission, under the circumstances of guaranteeing the power stability, also can realize the overload protection effect.

Through the setting of footboard device part, can steadily quick remove out the footboard, make whole mechanism convenient and fast, the great saving time of automatic flexible mode, firm structure makes can better guarantee safety under the emergency. The operation and the expansion of personnel are convenient, and the functionality is high.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. An escape ladder for emergency comprises a main body structure, wherein a telescopic device is arranged at the top end of the main body structure and consists of a gear rack and a primary motor, a protective cover is arranged on the outer side of the telescopic device, the gear rack device can push out a stair device which is fixedly connected with the right side of the main body structure and the telescopic device under the driving of the primary motor, when the telescopic device is pulled out, a spring is arranged in the telescopic device, so that the telescopic device can be more stably stretched to ensure that the stair device cannot generate springback problem after being stretched in place, a secondary motor and a plurality of transmission mechanisms are arranged in the left side of the main body structure and are responsible for fixing the wall surface of the main body structure and extending out an inner pedal on the right side in emergency, wherein when the secondary motor works, a spiral fastening nail in the left side punctures the wall through the transmission of a gear set, the main structure is stably connected with the wall body, the transmission switching device is arranged in the main structure and can convert power to the pedal device or the fixing device, the pedal device is arranged in the right end of the main structure, and the pedal device can play a role in treading when people are evacuated quickly;

a first cavity is arranged in the protective cover, a primary motor is fixedly arranged in the first cavity, the lower end of the primary motor is connected with a main shaft in a power fit manner, a first gear capable of rotating in the first cavity is fixedly arranged on the main shaft, the rear end of the first gear is connected with a sliding rack in a meshing fit manner, first guide chutes with opposite openings are symmetrically arranged on the inner walls of the front side and the rear side of the first cavity, guide sliding limit blocks extending into the first guide chutes are fixedly arranged at the front end and the rear end of the sliding rack, the left end of the sliding rack is of a trapezoid block structure and is matched with the upper end of the switching device, the right end of the sliding rack extends out of the main body structure and is fixedly provided with a butt joint block, an induction flashing lamp is fixedly arranged on the butt joint block and plays a role in prompting a working state, and the lower end of the butt joint block is fixedly connected with a, the right end of the main body structure is provided with a circular spring chute with a rightward opening, a first-stage telescopic rod, a second-stage telescopic rod and a third-stage telescopic rod which are telescopic and mutually matched and connected are arranged in the circular spring chute, the left end of the third-stage telescopic rod is positioned in the spring chute in a sliding guide limiting mode and is fixedly provided with a jacking spring, the right end of the first-stage telescopic rod is fixedly connected with the left end of the upright block, and after the first-stage motor drives the top rack and pinion to operate, the upright block can move to the right side and drives the telescopic rod to stretch to the right side, so that the structure can be quickly;

when the secondary motor operates to transmit power to the secondary shaft, the secondary shaft drives the first bevel gear to rotate, the first bevel gear is meshed to drive the second bevel gear, the second bevel gear drives the first rotating shaft, the first rotating shaft drives the third bevel gear, the third bevel gear is meshed to drive the fourth bevel gear, the fourth bevel gear drives the spline rotating shaft, the spline rotating shaft rotates to drive the spiral nail in spline connection with the left end, holes are punched in the wall to achieve connection of the main body structure and the wall, and fixation and stability of the main body structure are guaranteed;

when the primary motor works, the main shaft is driven to rotate to drive the first gear, the first gear is meshed to drive the translation rack to move rightwards, the joint of the left side of the translation rack and the L-shaped sliding block is separated, the L-shaped sliding block moves upwards under the action of the spring, the L-shaped sliding block moves upwards to drive the ejector rod, the cylindrical block and the first bevel gear to move upwards simultaneously, the first bevel gear drives the sleeve to move upwards, and the sleeve drives the second gear to move upwards so that the second gear is meshed with the third gear on the right side, and transmission switching is achieved;

the transmission switching device comprises a fourth cavity arranged inside the main body structure, a rotating shaft is fixedly arranged in the fourth cavity, the rotating shaft is fixedly connected with the main body structure through a bearing, a main belt wheel is fixedly arranged on the rotating shaft, a transmission gear fixedly connected with the lower side of a first rotating shaft is fixedly arranged at the lower end of the main belt wheel, a second rotating shaft is arranged at the right front end of the main belt wheel, a secondary belt wheel is fixedly arranged at the axis of the second rotating shaft, a belt wheel connected with the belt wheel in a power fit mode is arranged on the right side of the belt wheel, the transmission switching device works to enable the first rotating shaft to work to drive the main belt wheel, the main belt wheel rotates to transmit power to the secondary belt wheel through the belt, and the secondary belt wheel drives the second rotating.

2. The emergency escape ladder according to claim 1, wherein the second rotation shaft transmits power to the fourth gear, the fourth gear is engaged to drive the straight rack gear, the straight rack gear moves to the right side on the second chute, and the straight rack gear drives the upper end pedal to move to the right side at the same time, so as to realize a telescopic mechanism of the pedal.