CN1281737A

CN1281737A - High-altitude safety flow-landing device

Info

Publication number: CN1281737A
Application number: CN 99109862
Authority: CN
Inventors: 杨力军
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-07-21
Filing date: 1999-07-21
Publication date: 2001-01-31

Abstract

The present invention provides a high-altitude safe slip slowly-falling equipment which is simple in structure, convenient for use and easy to carry about. It can implement quick hanging operation or separation of slowly-falling equipment and steel cable, and its slip-falling speed can be controlled, said equipment can be suspended, and its sensitivity is high and controllability is good. Said equipment can be repeatedly used, and is applicable to the fields of saving one-self or others in high-rise building when dangerous case takes place, fire-fighting system, high-altitude operation, mountaining and airborne landing, etc..

Description

High-altitude safety flow-landing device

The present invention is a kind of portable glding type high-altitude safety flow-landing equipment.Relate to that high-rise dangerous situation is saved oneself, he rescues, fire-fighting, work high above the ground, mountain-climbing, military field such as airborne.

Chinese patent CN2304435Y discloses a kind of " semi-automatic downfall equipment ".Form by two fixed blocks, movable pulley, directive wheel, steel wire rope and a relieving mechanism and shell.It need be strained movable pulley and push to fixed pulley under the effect of body weight for humans power, the force down device can't slide, and by the control relieving mechanism, reaches and hovers, delays the purpose of falling.If it is softer that this kind design is used for quality, on the stronger rope of skin-friction force, perhaps can reach designing requirement, but be used for steel wire cable, because of its skin-friction force little, if only the crossing extruding with two round point of contacts is difficult to the resistance of generation greater than human body gravity, steel wire cable is again to be arranged between the pulley still more, thereby weakened its resistance more, so will be difficult to reach its designing requirement in actual applications, promptly allow to realize slow falling, its braking distance will be very long, and will there be wretched insufficiency in its sensitivity and security.

Chinese patent CN2304435Y, CN2239825Y, CN2211833Y disclosed " semi-automatic downfall equipment ", " gliding style escape apparatus ", " life-saving device for fire " are being realized wearing of steel wire cable and descending lifeline, all need in advance steel wire cable to be located in the descending lifeline, otherwise will be difficult to realize connect fast or combination as emergency.The needs that have when wearing are taken shell apart, and the needs that have are removed the safety door hook of steel wire rope stiff end, a needs left side that has wears and right hangs, on twine down around, be difficult to grasp.Because steel wire cable and descending lifeline wear the inconvenience that hangs, will inevitably bring inconvenience in actual applications to the user, particularly many person-times are used problem will be subjected to severely restricts repeatedly, and what have does not then accomplish this point at all.

Task of the present invention is to remedy the deficiencies in the prior art, provides a kind of structure small and exquisite simple, the easy to use and slow equipment that falls of portable glding type.It can realize that descending lifeline hangs fast with the freedom of steel wire cable or separates, the downhill race speed-controllable with hover, highly sensitive, controllability good, only can realize that with a set of equipment many person-times are saved oneself or he rescues fast repeatedly.

Technology of the present invention realizes, by two symmetrical clamping plate, wears pin with three and fixes with two ends at the center point respectively, makes the parallel correspondence of two clamping plates, and the fixed intervals that can hold pulley thickness are left in the centre, form the external splint of worn-out open type descending lifeline.A built-in ambulatory splint, do the axle center and wear leading block and ambulatory splint with wearing pin at the center point, make it be fixed in the external splint in the lump, ambulatory splint is done the axle center and can be done 360 ° of being parallel to external splint and freely rotate to wear pin, each fixes a movable pulley with hollow shaft respectively at its two ends, it is rotated with ambulatory splint, treat that its parallel vertical is when external splint, movable pulley is the housing of extended external splint, steel wire rope is placed in the U type race of movable pulley, the inside clockwise direction rotation of ambulatory splint can be steel wire rope N type trend for 270 ° and be captured in the main body of descending lifeline, simultaneously with two threaded pins of wearing, pass the preformed hole of external splint and the hollow shaft of two movable pulleys, be tightened on corresponding another piece external splint and be fixed.Tail end at descending lifeline is provided with relieving mechanism, it is a screw rod and an axis of guide that has positive and negative button screw thread, vertically be located in the external splint side by side, wear two symmetrical extruding slide blocks that have screw socket above, steel wire rope is worn wherein, by the turn-knob screw handle, drive the bi-directional synchronization slip that two extruding slide blocks are done to tighten up or loosen simultaneously, can adjust release control to steel wire rope.In order to increase its security, be provided with detachable U type buckle especially, fixed two frictional resistance briquettings and a sealing briquetting in the buckle bottom, its effect is: guarantee that 1, steel wire rope is captured in the descending lifeline, avoid steel wire rope to hang other object and meet accident; 2, increase the resistance of steel wire rope in descending lifeline, do not slide even if do not use relieving mechanism also can make the downhill race personnel do at the uniform velocity slow falling; 3, guarantee that steel wire rope walks in relieving mechanism, make it be released mechanism eventually and control.The combination of U type buckle and main body is worn pin when locking ambulatory splint by two threaded activities, and with U type buckle, external splint and ambulatory splint make up fixing in the lump.

Stiff end at steel wire rope is provided with safety door hook, so that be connected and fixed fast with fixture; Free end then places in rope rolling apparatus, and steel wire rope can be provided with different length as required.

Rope rolling apparatus is provided with roll, around arm, axle, inner splint and shell.Inner splint and roll need be fixed together and keep need leaving the fixed interval (FI) between inner splint and shell synchronously, produce frictional resistance between steel wire rope and both sides clamping plate or inner splint and shell when avoiding Wound steel rope, and the folding and unfolding of steel wire rope is difficult to freely.Handle and belt are set on rope rolling apparatus, are easy to carry and operate.

Tail end at descending lifeline is provided with safety door hook, so that be connected and fixed fast with safety belt.One side is provided with handle, and is easy to operate and use.

Below in conjunction with accompanying drawing the present invention is described in further details.

Fig. 1 is a descending lifeline general structure cut-away diagram;

Fig. 2 is a descending lifeline general structure outward appearance side view;

Fig. 3 is a descending lifeline general structure front view;

Fig. 4 is a rope rolling apparatus general structure front view;

Fig. 5 is a rope rolling apparatus general structure side view.

See figures.1.and.2, in the external splint 3 of descending lifeline, directive wheel 5 and 7 have been fixed, two movable pulleys 6 are separately fixed at the two ends of ambulatory splint 4 by hollow shaft 9, ambulatory splint 4 is worn pin 8 and is fixed in the lump within two external splints together with directive wheel 7, making it can be parallel to external splint does 360 ° and rotates freely, when it rotates the movable pulley 6 of an end is stretched out the housing of external splint, then steel wire rope is placed in the U type race of movable pulley 6, inwardly clockwise direction rotates 270 °, making steel wire rope be N type trend places in the main body of descending lifeline, simultaneously steel wire rope free end 2 is placed between two extruding slide blocks 14, turn-knob screw handle 16 makes extruding slide block 14 clamp steel wire rope, afterwards U type buckle 15 is buckled on the main body of external splint, make two resistance friction briquettings 10 that are fixed on U type buckle middle part withstand the free end of steel wire rope, make it be curved course, the sealing briquetting 11 that is fixed on U type buckle 15 lower ends then with the groove of extruding slide block 14 mutually interlock form relieving mechanism, make steel wire rope be closed in extruding slide block 14, the axis of guide 13 and sealing are pressed within the briquetting 11, and no matter whether folding and unfolding all can not deviate from.Wearing the preformed hole that pin 19 passes U type buckle 15, the hollow shaft 9 of movable pulley and the preformed hole of external splint with two activities simultaneously interts it fixing in the lump.

In conjunction with Fig. 2, on one's body when downhill race, at first safety belt being lain in, safety belt is hung on the safety door hook 17 of descending lifeline, make health be in floating state, turn-knob relieving mechanism screw handle 16, make two extruding slide blocks 14 loosen extruding to steel wire rope, this moment, human body can begin downhill race under the effect of gravity.Because the drag effect of two frictional resistance briquettings 10 is arranged, even extruding slide block 14 all loosens the extruding to steel wire rope, human body also only can at the uniform velocity delay and falls, and the dangerous situation under the acceleration of gravity effect can not occur.In the downhill race process, can adjust downhill race speed, when needs hover, only need screw screw handle and get final product by turn-knob screw handle 16.

When other people help downhill race as needs, only need descending lifeline is turned, an end that is provided with safety door hook 17 is fixed on the fixture, and the safety belt that will lie in again on the downhill race personnel health is hung on the safety door hook of steel wire rope stiff end, can realize the downhill race by other people operation.

In conjunction with Fig. 3, descending lifeline is provided with handle, is convenient to user's operation.

In conjunction with Fig. 4 and Fig. 5, in the assembly of descending lifeline, be provided with rope rolling apparatus, the free end 2 of steel wire rope can be fixed on the roll 28, by around arm 22 and axle 23 with wire rope roll in rope rolling apparatus.Because the steel wire rope after reeling can produce frictional resistance with housing, make steel wire rope in rope rolling apparatus, be difficult to act freely, be provided with inner splint 21 especially, itself and roll 27 are connected and fixed, between inner splint 21 and shell 26, leave the fixed interval (FI), thereby avoided frictional resistance between the two.

For the convenience of operating and carrying, be provided with handle 26 and belt 29 on the rope rolling apparatus on one's body carrying or rope rolling apparatus can being lain in during downhill race.

Claims

1, a kind of high-altitude safety flow-landing device.By two symmetrical clamping plate, wear pin with three and fix with two ends at the center point respectively, make the parallel correspondence of two clamping plates, the interval that can hold pulley thickness is left in the centre, forms the external splint of worn-out open type descending lifeline; A built-in ambulatory splint, do the axle center and wear leading block and ambulatory splint with wearing pin at the center point, make it be fixed in the external splint in the lump, ambulatory splint is done the axle center and can be done 360 ° of being parallel to external splint and freely rotate to wear pin, each fixes a movable pulley with hollow shaft respectively at its two ends, it is rotated with ambulatory splint, treat that parallel vertical is when external splint, movable pulley stretches out the housing of external splint, steel wire rope is hung in the U type race of movable pulley, the inside clockwise direction of ambulatory splint rotates 270 ° and steel wire rope is N type trend is captured in the descending lifeline, wears hollow shaft that pin passes the preformed hole of external splint and two movable pulleys with two simultaneously and is tightened on corresponding another piece external splint and is fixed; Tail end at descending lifeline is provided with relieving mechanism, form by a screw rod that has a positive and negative button screw thread, the axis of guide, extruding slide block, sealing briquetting and a screw handle, the screw rod and the axis of guide laterally are vertically fixed in two external splints, wear side by side two the extruding slide blocks, screw screw handle can make the extruding slide block do forward and reverse synchronous slip; Detachable U type buckle is set in addition, fixes two frictional resistance briquettings and a sealing briquetting respectively in its bottom, its with the combination of main body by two activities wear pin when the fixing ambulatory splint with its interspersed in the lump fixing.

2, high-altitude safety flow-landing device according to claim 1 is provided with handle in the one side, and tail end is provided with safety door hook.

3, in its assembly rope rolling apparatus is set according to claim 1,2 described high-altitude safety flow-landing devices, rope rolling apparatus is provided with inner splint, and inner splint needs to fix with roll, leaves the fixed interval (FI) between inner splint and the shell.