CN2870898Y

CN2870898Y - Self-saving descender

Info

Publication number: CN2870898Y
Application number: CN 200520041383
Authority: CN
Inventors: 周泉生
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-10
Filing date: 2005-05-10
Publication date: 2007-02-21
Anticipated expiration: 2015-05-10

Abstract

The utility model relates to a self-saving descender, which is used for helping people to get away from disaster locations higher than two meters in a building, such as working space, study room, entertainment place and supermarket, by escaping from windows, balcony or other passages immediately. The self-rescue parachute comprises an oblate stainless steel shell, a disk provided in the oblate stainless steel shell, and a high-intensity stainless steel cord, winded on the disk one end and the other end connected to a safety hook via a controllable friction belt and three roller wheels. The safety hook is steadily mounted on a fixed lifting ring. The safety hook provided under the oblate stainless steel shell is used for connecting a safety band dressed on the user. The working principle of the self-rescue parachute is that, the user loads his/her body weight on the high-intensity stainless steel cord to make the high-intensity stainless steel cord tightly press on an inner friction belt. The inner friction belt drives the high-intensity stainless steel cord to closely push on an outer friction belt through the three roller wheels such that a great friction force is applied on the high-intensity stainless steel cord. The friction force applied on the high-intensity stainless steel cord can be adjusted by a hand wheel or a spanner as will so as to control the speed of self-rescue parachute in a safe range to achieve the object of self-rescue.

Description

Self-saving descender

Affiliated technical field

The downfall equipment of saving oneself is that a kind of can making lived in high building, perhaps height is the people of the work of place, high-altitude, study, amusement, market shopping more than 2 meters, can be rapidly when running into disasters such as fire, earthquake suddenly lead to outdoor space from window, balcony or other and withdraw the disaster scene, slowly land is to the equipment of saving oneself on ground.Its descent altitude is 22 meters, and glide landing speed is 0～0.7 meter per second.Speed during landing can be regulated on demand, until resting on some specific height.

The downfall equipment of saving oneself also can be used as high-building construction and altitude plant maintainer's security protection facility.

When using operation, (seeing Fig. 1, Fig. 2) is enclosed within safety belt 4 survivor's chest earlier, belt tensioner clasp 5, a safety door hook 6 of lower end position is hooked in three square rings 3, pulls out guard shield 2, a safety door hook 24 of steel wire rope 13 upper ends hook be installed in, fixedly suspension ring 1 on the external wall (B), at this moment, the escape personnel can run out of from window (A), drops to ground safely.

Background technology

At present the fall-slowing device for rescuing from high building that uses is gone up by society, and great majority adopt cover mechanical reduction gears to realize that slowly land is to ground together for a termination of escape personnel and rope, and another termination of rope is upwards lifting simultaneously then.Descending lifeline and rope drum are divided into two entities, also must have one to be suspended on outdoor fixedly shelf.During escape, must throw to a fake place of outdoor spaciousness earlier, also can bring some danger thus.Want in use simultaneously to guarantee that rope is not stopped around ending by other object, or form the knotting phenomenon, otherwise the escape personnel just can not delay and drops to ground.And present escaping descent control device volume is bigger, Heavy Weight, and price is also expensive, and is all very inconvenient to installing and using, laying in, and can have influence on the good looking appearance of skyscraper again, among the peoplely all can bring difficulty so give to promote the use of and spread to.

This product downfall equipment of saving oneself has overcome above-mentioned shortcoming, and its volume (190 millimeters * 136 millimeters * 40 millimeters) and weight (1.2 kilograms) all are 1/3rd of the downfall equipments of escaping at present, and price is 1/5th (300 yuan).

Summary of the invention

There are above-mentioned some defectives and weak point in order to overcome existing fall-slowing device for rescuing from high building, the purpose of this utility model provides a kind of downfall equipment of saving oneself, it rapidly self-help escape drop to ground, withdraw the disaster scene, can also rest on aerial some specific height on demand.This will find the solution in the process that certainly escape personnel and steel wire rope 13 glide together, and the surface of steel wire rope 13 must produce the technical problem of enough frictional resistance.The general idea of the utility model technology and internal structure are seen Fig. 1, Fig. 2, Fig. 3 for this reason.Its principle is that to select diameter for use be that 2.5 millimeters stainless steel wire rope 13 is main components, and rupture pull force is 700 kilograms, and length is 22 meters.A termination of steel wire rope 13 is passed the garden and is coiled aperture on 34 jackshafts, tightens fixingly with rope clamp hoop 35, and its length is taken up in garden dish 34, and garden dish 34 is installed on the middle convex shoulder that is combined into by left and right housing 8, can rotate flexibly.Left and right housing 8 is fixed by electric resistance welding.Another termination of steel wire rope 13 then pass pulley 31 enter in the shape hole, the ellipse garden of guiding of guide ring 33 and outer guide ring 32 compositions, with holes through the friction that internal friction band 36 and outer friction tape 37 are combined into, enter the shape hole, the ellipse garden of export orientation that the outer guide ring 10 of a guide ring 9 and a left side is formed in the left side again, walk around roller 14 again, 15 of roller bearing pins pass outer shroud 12 left end Tou Yuan holes and are fixed on a left side, on the right shell body 8, steel wire rope 13 continues to walk around roller 17 and roller 26, the centre bore that passes the handwheel 21 that is used for regulating the friction size then links to each other with rope sling ring 23, rolled by rope clamp hoop 22 and to fasten the jail, last and safety door hook 24 is chained together.Wheel bearing pin 18 passes connecting plate 19 and pull bar 29 is assembled together, and 27 of bearing pins of wheel are fixed on the bearing 28.In the self-help escape process, the safety door hook 24 of upper end hooks fixedly suspension ring 1, the safety door hook 6 of lower end is hooked in three square rings 3 in escape personnel chest, when the downfall equipment of saving oneself glides together along with the survivor, survivor's oneself body wt is being born by steel wire rope, pressure between steel wire rope 13 and the internal friction band 36 increases at this moment, has strengthened frictional resistance.Simultaneously, when steel wire rope is walked around roller 17, pulling force on the steel wire rope 13 is pushed roller 17 to left direction, making connecting plate 19 make clockwise direction around bearing pin 20 (fixing with housing 8) immediately rotates, effect by pull bar 29, wheel bearing pin 30 is connected with outer shroud 12 right-hand member Tou Yuan holes, make outer shroud 12 do counterclockwise to rotate, at this moment, escape personnel's body wt is through on the two-fold again outer friction tape 37 that has been added in the outer shroud 12 of the active force of steel wire rope 13, and steel wire rope 13 surfaces are produced has increased very big frictional resistance again when sliding relatively.In addition, the escape personnel can also adopt rotation hand wheel 21, connecting plate 19 is rotated, continuing tension outer shroud 12 slows down escape personnel's sinking speed immediately, when suffered frictional resistance was greater than escape personnel's own wt on steel wire rope 13, the escape personnel just can rest on some specific height at once.The downfall equipment of saving oneself is locked in adjusting handle 21 in the safety falling velocity scope by production unit.Simultaneously, the escape personnel is in the process of glide landing, can also be by manually control, spanner 25 tension and compression downwards, at this moment be fixed into one because of spanner 25 and connecting plate 19, so can make connecting plate 19 make the outer shroud friction pass to steel wire rope 13 again with the pressure that increases on 37 by pull bar 29 tension outer shrouds 12 equally, this has just increased steel wire rope 13 surfaces and inside and outside friction again with the frictional resistance between 36,37, realizes that the escape personnel can the own purpose of controlling the sinking speed that slows down.Inside and outside friction is with 36,37 the length and the performance of material, and the size that need be pressurized to external force on the external friction band 37 is this utility model technical problem to be solved.

When if the disaster scene also has many people to need self-help escape, trapped personnel can be withdrawn into the survivor to the downfall equipment of saving oneself by the side of by the process that pulls steel wire rope 13 rapidly, and the direction of rotation of indicating according to the cue mark that uses operating instruction on the handwheel 21 turns to receipts rope position with handwheel.At this moment, the effect connecting plate by torsion spring 16 can counterclockwise turn to fulcrum from action immediately, and at this moment pushing drawing rod 29 steel wire rope 13 that outer shroud 12 unclamped press just can use shaking tray 7 press direction indication withdrawal steel wire rope 13 very like a cork simultaneously.After regaining steel wire rope, immediately handwheel 21 is reset to original landing place, this just can repeat the process of escaping and landing at once.

The beneficial effect of this product utility model is: can make and be besieged personnel in the high building place by disaster and can carry out self-help escape rapidly and drop to ground, and can reuse quickly and easily, continue to implement the rescue to trapped personnel; The security protection facility that can also be used for work high above the ground.Volume is little, simple in structure, easy to operate, cheap.

Description of drawings

Explain below in conjunction with the drawings and specific embodiments.

Fig. 1 is that the downfall equipment of saving oneself is installed and used figure.

Fig. 2 is the downfall equipment structure chart of saving oneself.

Fig. 3 is the part sectioned view among Fig. 2.

The in addition component names of the sequence number of marking is as follows among the figure: 1. fixedly suspension ring, 2. guard shield, 3. three square rings, 4. safety belt, 5. clasp, 6. safety door hook, 7. shaking tray, 8. (a left side, right) housing, 9. guide ring in left, 10. left outer guide ring, 11. interior rings, 12. outer shrouds, 13. steel wire rope, 14. rollers, 15. bearing pins, 16. torsion springs, 17. roller, 18. bearing pins, 19. connecting plates, 20. bearing pins, 21. handwheel, 22. rope clamp hoops, 23. rope sling rings, 24. safety door hooks, 25. spanner, 26. rollers, 27. bearing pins, 28. bearings, 29. pull bar, 30. bearing pins, 31. rollers, 32. right outer guide ring, 33. right interior guide rings, 34. gardens dish, 35. the rope clamp hoop, 36. internal friction bands, 37. external friction bands.

The specific embodiment

Save oneself downfall equipment product and escape personnel together in the process of glide landing, steel wire rope 13 is constantly being pulled out elongation from housing 8, this just requires the outer surface of steel wire rope 13 can be subjected to enough frictional resistance and limits the speed that steel wire rope 13 is pulled out, and could guarantee the safety of escape personnel when glide landing.The scheme of the downfall equipment utility model of for this reason saving oneself is to have adopted a kind of weight of utilizing the own health of escape personnel simple in structure, transfer function by steel wire rope 13, the one, steel wire rope 13 is oppressed tightly on internal friction band 36, make and produce frictional resistance between the two, the 2nd, simultaneously roller 17 pushing pulling pull bars 29, make the outer friction tapes 37 in the outer shroud 12 push down steel wire rope 13 more tightly, steel wire rope 13 again and increased bigger frictional resistance between the internal friction band 36.Simultaneously, utilize the rotation of handwheel 21 to compress connecting plate 19, perhaps tension and compression spanner 25 downwards, all can reach the effect of tension outer shroud 12 again, can make steel wire rope 13 surface between 36,37, produce bigger frictional resistance equally again, the safety speed of an assurance is arranged when the glide landing with the realization survivor with inside and outside friction.

Claims

1. downfall equipment of saving oneself, major part is by a left side, right shell body (8), garden dish (34), steel wire rope (13), interior ring (11), outer shroud (12), in the right side, outer guide ring (33,32), in the left side, outer guide ring (9,10), interior friction band (36), outer friction tape (37), four (14 on roller, 17,16,31), bearing (28), connecting plate (19), pull bar (29), handwheel (21), spanner (25) is formed, it is characterized in that: shell is flat garden shape, corrosion resistant plate is made, garden dish (34) is equipped with in the interior centre position of housing (8), and the diameter of reeling is 2.5 millimeters, the steel wire rope that length is 22 meters (13), one end is fixed on the garden dish (34), the other end is walked around three rollers (31,14,17), passing housing (8) is connected with safety door hook (24), handwheel (21), spanner (25) and connecting plate (19), outer shroud (12), outer friction tape (37) is connected to each other, make pass in, outer friction tape (36,37) surface of the steel wire rope (13) in the interstitial hole produces needed frictional resistance.