CN2796748Y

CN2796748Y - Friction reciprocating type life saving slow falling apparatus

Info

Publication number: CN2796748Y
Application number: CN 200520082803
Authority: CN
Inventors: 李波
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-28
Filing date: 2005-04-28
Publication date: 2006-07-19
Anticipated expiration: 2015-04-28

Abstract

The utility model discloses a friction reciprocating type life saving slow falling apparatus which is used for life saving by people when a fire is caught on a floor of a high-rise building. The friction reciprocating type life saving slow falling apparatus is characterized in that a center gear shaft is connected in the rotating mode in an inner cavity which is formed in the way that a left shell body (4) and a right shell body (14) are connected in the involution mode, wherein the end surface of the left shell body (4) of the inner cavity is at least linked with two gear shafts (5) which respectively support and are connected with a planet gear (12) in the rotating mode. The inner end of the planet gear is connected with a gear arranged on the center gear shaft, and the outer end of the planet gear is connected with an inner gear (1) which is linked with the center gear shaft in the rotating mode. A steel wire rope (8) is connected in a groove of the inner gear and extends out of a shell body by a steel rope hole. The center gear shaft is fixedly connected with a friction driving plate (9), and at least two friction flying blocks (10) are placed in slide grooves of the end surface thereof. The speed ratio in life saving slow falling is improved by a secondary driving structure of the gear, the structure is compact, the size is small and the cost is low. Compared with the prior art, the service life is improved by about 50 percents.

Description

Reciprocating type lifesaving descent control device rubs

(1) technical field: the utility model relates to the fire-extinguishing and lifesaving device; Be specifically related to the lifesaving descent control device of a kind of people when the skyscraper breaking out of fire need be succoured.

(2) background technology: in the prior art, skyscraper floor breaking out of fire people often can't escape from corridor, use lifesaving descent control device usually and reduce to the ground relief of escaping by the outside boundary of indoor window is slow.The drive mechanism of described lifesaving descent control device generally is the formation that is in transmission connection that adopts the one-level gear.Because the gear-driven rotating ratio of one-level is lower, for reaching the slow purpose of falling of slowing down, people can only realize by the syndeton that increases travelling gear.It exists not enough: the one, thus product structure increases, the volume increase has improved its manufacturing cost; The 2nd, frictional disk and metal shell mutual friction mutually that metal material constitutes, abrasion is accelerated and has been reduced its service life.

(3) summary of the invention: the purpose of this utility model is need escape when relief as skyscraper floor breaking out of fire people, provides a kind of compact conformation volume little, low cost of manufacture and improve the reciprocating type lifesaving descent control device of friction in its service life.

For achieving the above object, the technical scheme of the reciprocating type lifesaving descent control device of friction of the present utility model is achieved in that and comprises left and right housing; Its improvement is: in described left shell and the involutory inner chamber that connects and composes of right shell body, rotate respectively on the left shell and right shell body that is connected in inner chamber at the sun gear shaft two ends; On the left shell end face of described inner chamber, be connected with two rooted tooth wheel shafts at least, supporting is rotatably connected with planetary gear respectively; Described planetary the inner, respectively with sun gear shaft on gears engaged join; Its outer end links to each other with the internal gear engagement that rotation is connected on the sun gear shaft respectively; Be connected with the steel cable groove on the described internal gear; Wire line thimble is placed in the steel cable groove, and extends to outside the housing by the steel cable hole; Be fixed with the friction dial on the described sun gear shaft; In the chute of described friction dial end face, be provided with two frictions at least and fly piece and slide and to be placed in one; Described friction flies piece outer round surface and right shell body bore area, and to be the spacing shape corresponding.

When implementing technique scheme, friction of the present utility model flies piece, adopts engineering plastics to constitute usually.

The utility model is owing to take said structure, drive being connected with a joggle of planetary gear and internal gear respectively by the gear on the sun gear shaft, realized the secondary transmission of gear, increased human body required rotating ratio in the life-saving slow descending process, realized that the structure compact volume is little, reduced manufacturing cost; Fly piece by the friction of adopting engineering plastics to constitute, increased the slow required moment of friction and wear-resistant of falling that falls significantly; Compare with prior art, improve about 50% its service life.

(4) description of drawings:

Fig. 1 is the utility model cutaway view;

Fig. 2 is the sun gear shaft (2) that is connected with reference to left shell among Fig. 1 (4) inner chamber and the right view of planetary gear (12);

Fig. 3 is with reference to the right view of removing right shell body (14) among Fig. 1.

(5) specific embodiment: Fig. 1-shown in Figure 3.The reciprocating type lifesaving descent control device of this friction comprises the left shell 4 and the right shell body 14 of aluminium alloy compression casting; In described left shell 4 and the right shell body 14 involutory inner chambers that connect and compose, sun gear shaft 2 one ends rotate by bearing 3 supportings and are connected on the left shell 4 of inner chamber, and its other end rotates by bearing equally and is connected on the right shell body 14 of inner chamber.On left shell 4 end faces of described inner chamber, be connected with three rooted tooth wheel shafts 5 by aluminium alloy compression casting, supporting is rotatably connected with planetary gear 12 respectively.The inner of described planetary gear 12, respectively with sun gear shaft 2 on gears engaged join; Link to each other (Fig. 1, shown in Figure 2) meshed with the internal gear 1 that is connected on the sun gear shaft 2 by the bearing rotation respectively in its outer end.Parallel connection is provided with the steel cable groove on the described internal gear 1.For guaranteeing the flexible at work smooth and easy circulation of steel wire rope 8, above the steel cable hole of the involutory formation of described left and right housing, be rotatably connected with two directive wheels 11 respectively usually.For preventing that steel wire rope 8 from stretching at work or shrinking flexural deformation taking place to twine, in the steel cable hole of the involutory formation of left and right housing, is connected with guide spring pipe 7 respectively usually.Steel wire rope 8 ring sets place the steel cable groove, and enter by directive wheel 11 and to extend to housing outer (Fig. 1, shown in Figure 2) in steel cable hole and the guide spring pipe 7.On described sun gear shaft 2, be fixed with friction dial 9; In the chute on described friction dial 9 end faces, be provided with four frictions and fly piece 10 and slide and be placed in one; Described friction flies piece 10 outer round surface, is spacing shape corresponding (shown in Figure 1) with the right shell body bore area.For strengthen friction fly piece 10 in working order with the frictional resistance of right shell body bore area, friction flies piece 10 and adopts engineering plastics to constitute usually.The length of the utility model steel wire rope 8, usually according to the height setting of floor in 15 meters-100 meters scope.Before the use, an end that will be located on the steel wire rope 8 on the internal gear 1 steel cable groove earlier is connected with life belt, and its other end also is connected with life belt and is connected on the rolling wheel by steel wire rope 8 windings of steel wire rope rolling wheel with certain-length.When the breaking out of fire of skyscraper floor needs oneself's relief, usually connecting hole of the present utility model and the fixed hook that is located in the floor are connected and fixed, the life belt of steel wire rope one end bundle is placed on the waist of human body and tightens up, open window, the rolling wheel of the steel wire rope 8 of rolling is lost to downstairs, required the personnel of relief then to break away to fall from window.Just in moment that human body falls, human body weight pulling steel wire rope 8 rotates by the moving internal gear 1 of steel cable troughed belt, and drive 3 planetary gears 12 respectively and do speedup and rotate, and make the gear quick rotation that is engaged with on the continuous sun gear shaft 2, the friction dial 9 that be fixed on the sun gear shaft 2 this moment is also done quick rotation, owing to be subjected to quick rotation to form the circumference action of centrifugal force, place the friction in the friction dial 9 end face chutes to fly piece 10, chute on edge friction dial 9 end faces is done to radially slide and is expanded outwardly, its outer round surface and right shell body 14 bore areas are fitted tightly produce friction and form bigger moment of friction, force sun gear shaft 2 to be a significant slowdown and do slow rotation, also do even the deceleration simultaneously and rotate (Fig. 1-shown in Figure 3) by the internal gear 1 that is meshed with planetary gear 12, slow to the speed that human body falls to setting until internal gear 1 rotating speed, realized that Salvee person lands by steel wire rope 8 slowly decline safety.The life belt that steel wire rope 8 other ends are connected with also rises to the window place that Salvee person breaks away from floor simultaneously thereupon, stays the relief of being second escape personnel.And so forth, the life belt alternatively up and down that the steel wire rope two ends are connected with uses, and can make a plurality of Salvee persons break away from the scene of fire.Usually according to different Salvee persons' body wt, set the human body decrease speed usually in the height distance of 0.15 meter～1.5 meters of per seconds.

The above only is a preferred implementation of the present utility model.Be noted that for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; need not other technical characterictic that the process creative work just can be associated; can also make some modification and improvement; these variations obviously all should be considered as equivalent feature, all belong within the protection domain of the utility model patent.

Claims

1, the reciprocating type lifesaving descent control device of a kind of friction comprises left shell (4) and right shell body (14); It is characterized in that: in described left shell (4) and the involutory inner chamber that connects and composes of right shell body (14), rotate respectively on the left shell (4) and right shell body (14) that is connected in inner chamber at sun gear shaft (2) two ends; On left shell (4) end face of described inner chamber, be connected with two rooted tooth wheel shafts (5) at least, supporting is rotatably connected with planetary gear (12) respectively; The inner of described planetary gear (12), respectively with sun gear shaft (2) on gears engaged join, its outer end links to each other with internal gear (1) engagement that rotation is connected on the sun gear shaft (2) respectively; Described internal gear is connected with the steel cable groove on (1); Steel wire rope (8) ring set places the steel cable groove and extends to outside the housing by the steel cable hole; On described sun gear shaft (2), be fixed with friction dial (9); In the chute of described friction dial (9) end face, be provided with two frictions at least and fly piece (10) and slide and to be placed in one; Described friction flies piece (10) outer round surface, and to be the spacing shape corresponding with the right shell body bore area.

2, the reciprocating type lifesaving descent control device of friction according to claim 1 is characterized in that: above the steel cable hole of the involutory formation of described left and right housing, be rotatably connected with directive wheel (11); In described steel cable hole, be connected with guide spring pipe (7); Steel wire rope (8) ring set places the steel cable groove, and enters in steel cable hole and guide spring pipe (7) hole by directive wheel (11) and to extend to outside the housing.

3, the reciprocating type lifesaving descent control device of friction according to claim 1 and 2 is characterized in that: on left shell (4) end face of described inner chamber, be connected with three rooted tooth wheel shafts (5), supporting is rotatably connected with planetary gear (12) respectively.

4, the reciprocating type lifesaving descent control device of friction according to claim 3 is characterized in that: in the chute of described friction dial (9) end face, four frictions fly piece (10) slip and are placed in one.

5, the reciprocating type lifesaving descent control device of friction according to claim 4 is characterized in that: it is to be made of engineering plastics that described friction flies piece (10).