CN104190007A - High-rise lifesaving chain-shaped escalator - Google Patents
High-rise lifesaving chain-shaped escalator Download PDFInfo
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- CN104190007A CN104190007A CN201410486059.6A CN201410486059A CN104190007A CN 104190007 A CN104190007 A CN 104190007A CN 201410486059 A CN201410486059 A CN 201410486059A CN 104190007 A CN104190007 A CN 104190007A
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Abstract
The invention discloses a high-rise lifesaving chain-shaped escalator, and belongs to the technical field of lifesaving devices. The high-rise lifesaving chain-shaped escalator is characterized in that a left upper chain wheel and a right upper chain wheel are arranged on an upper rotary shaft, a lower rotary shaft is arranged below the upper rotary shaft and is parallel to the upper rotary shaft, two ends of the lower rotary shaft are respectively supported on the ground by chain wheel supporting frames, a left lower chain wheel and a right lower chain wheel are mounted on the lower rotary shaft, the left upper chain wheel is connected with the left lower chain wheel by a left loop chain in a meshed manner, the right upper chain wheel is connected with the right lower chain wheel by a right loop chain in a meshed manner, and a group of horizontal bars is fixed to positions between the left loop chain and the right loop chain with identical chain pitches; a centrifugal speed reducer is further arranged on the upper rotary shaft and is positioned on the right side of a second shaft sleeve. The high-rises lifesaving chain-shaped escalator has the advantages that problems that existing high-rise lifesaving devices are mostly poor in applicability and all residents cannot be rescued by the existing high-rise lifesaving devices are solved; the high-rise lifesaving chain-shaped escalator is used for high-rise lifesaving when fire hazards occur.
Description
Technical field
The present invention relates to a kind of high-rise building life saving rotating ladder, be specifically related to a kind of chain rotating ladder for high-rise building life saving, belong to lifesaving appliance technical field.
Background technology
Along with the development of social and economic condition, the quickening of city process, land resource is day by day in short supply and precious increasingly, cause building to build higher and higher, although existing fire safety rules is substantially perfect, and being required strict implement, fireproof publicity management also has very large input conventionally, but these all can not stop the generation of fire incident.Modern Urban Fires are mostly all very serious, and some is very miserable, and this news is reported frequently thus.
Up to now, the mankind have successfully grasped the technology of building skyscraper, the height of building does not even have the upper limit, but does not but rest in the method for fleeing from rapidly when disaster occurs, and that is to say means that the numerous residents in building are not effectively saved oneself in the time that fire occurs.
Although the whole society and relevant department are to this attention, but mostly stay in communication and education, the equipment of fire department, forever lag behind the needs of urban development, once breaking out of fire fireman is difficult to show up in time, after showing up, its relief ability is also unsatisfactory, the phenomenon that often has fire fighter to die at one's post.
For many years, a lot of people are being devoted to study high-rise building life saving equipment, and the overwhelming majority is the rope with damping, and it is only for single, and are only applicable to brave young man or fire fighter drills use, are not suitable for old man and child.Separately there is the soft cylinder of parachute or fiber etc. as escaping tool, also respectively have shortcoming.Recently a fire live-saving equipment of Chinese Central Television's report, it releases a workplace on roof, the car of whereabouts a pair of one rise and one drop.Obviously, it keeps in repair except cost height also needs daily management, requires resident to go to roof and take when fire generation, very inconvenient.
" high building life saving device " invented by Gao Jiarong, the patent No. is ZL2005100097347, it is a kind of lifesaving appliance of setting up at external wall, main member comprises the parallel beams between two width ring chains and some chains, chain is engaged on the sprocket wheel of top, there is centrifugal elements automatic speed regulation to move again and again, can comprise the invalid enforcement of old children crew relief to the city in building in time.
In the Development Practice of above-mentioned granted patent, find that it exists defect, first in granted patent, recorded high level one auxiliary chain wheel is set, and bottom does not require sprocket wheel is set, lifesaving appliance bottom does not retrain like this, especially stable not to skyscraper operation.In addition, in granted patent, only have automatic speed regulating function, there is no braking function, can not make it stop at the volley, could be multiplied by safely lifesaving appliance and only want survivor in stable halted state, also have this granted patent structurally to simplify not.
Summary of the invention
The present invention is mostly poor for applicability in order to solve existing high building life saving device, can not carry out to resident the problem of crew's relief, and then provide a kind of chain rotating ladder for high-rise building life saving, in breaking out of fire Shi Keling building, city escapes rapidly, for the standing outside the building wall of chain rotating ladder of high-rise building life saving.
The present invention in order to solve the problems of the technologies described above taked technical scheme is:
Chain rotating ladder for high-rise building life saving of the present invention, comprises rotating shaft 1, the first axle sleeve 2, the second axle sleeve 10, upper left sprocket wheel 3, upper right sprocket wheel 4, left loop chain 5, right loop chain 6, one group of whippletree 7 and centrifugal deceleration device 9;
The two ends of described upper rotating shaft 1 are supported on the support that body of wall stretches out by the first axle sleeve 2 and the second axle sleeve 10, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are also housed in upper rotating shaft 1, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are between the first axle sleeve 2 and the second axle sleeve 10;
Chain rotating ladder for high-rise building life saving also comprises lower rotary shaft 11, lower-left sprocket wheel 31, bottom right sprocket wheel 41 and two chain wheeling supporting frames 51, described lower rotary shaft 11 is arranged on the below of rotating shaft 1 and be arranged in parallel with upper rotating shaft 1, the two ends of lower rotary shaft 11 are supported on ground by chain wheeling supporting frame 51 respectively, lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are installed on lower rotary shaft 11, and lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are between two chain wheeling supporting frames 51;
Between described upper left sprocket wheel 3 and lower-left sprocket wheel 31, be connected with a joggle by left loop chain 5, between upper right sprocket wheel 4 and bottom right sprocket wheel 41, be connected with a joggle by right loop chain 6, between the left loop chain 5 of same chain distance and right loop chain 6, be fixed with the whippletree 7 of one group of level; Centrifugal deceleration device 9 is also housed in described upper rotating shaft 1, and centrifugal deceleration device 9 is positioned at the right side of the second axle sleeve 10.
In order to solve the baroque problem of centrifugal deceleration device in prior art, the further prioritization scheme of the present invention:
Described centrifugal deceleration device 9 comprises centrifugal weights piece 91, four pull bars 92, Compress Springs 93 and the projection 94 of slowing down;
Described centrifugal weights piece 91 is arranged in rotating shaft 1, centrifugal weights piece 91 slides along the axis of upper rotating shaft 1, four pull bars 92 hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in rotating shaft 1, the right side pin joint of diamond structure is fixed on centrifugal weights piece 91, in upper rotating shaft 1, be also provided with the Compress Spring 93 of stainless steel or reliable chromium coating, Compress Spring 93 is positioned at diamond structure inside, on described centrifugal deceleration device 9 building external wall behind, be provided with the projection 94 of slowing down, the projection 94 of slowing down coordinates with diamond structure to realize slows down.
In upper rotating shaft 1, Compress Spring 93 is for making centrifugal weights piece 91 away from the second axle sleeve 10 during in non-High Rotation Speed state, and the left and right diagonal line length of diamond structure is in upper and lower diagonal; Upper rotating shaft 1 during in High Rotation Speed state Compress Spring 93 under 91 effects of centrifugal weights piece near the second axle sleeve 10, the diagonal line length up and down of diamond structure is in left and right diagonal, when the diagonal angle up and down High Rotation Speed of diamond structure, realizes and slowing down with projection 94 collisions of slowing down.
In order to solve the problem of centrifugal deceleration device complex structure and fluctuation of service in prior art, the further prioritization scheme of the present invention: described centrifugal deceleration device 9 comprises centrifugal weights piece 91, four pull bars 92, Compress Spring 93, fixing weight block 95, left funnel type housing 96, right funnel type housing 97, thruster bearing group 98 and blocker plate 99;
Described fixing weight block 95 and centrifugal weights piece 91 are arranged in rotating shaft 1 from left to right, centrifugal weights piece 91 slides along the axis of upper rotating shaft 1, fixing weight block 95 is fixed in rotating shaft 1, four pull bars 92 hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in fixing weight block 95, the right side pin joint of diamond structure is fixed on centrifugal weights piece 91, in upper rotating shaft 1, be also provided with Compress Spring 93, Compress Spring 93 is positioned at diamond structure inside, the large aperture openend of left funnel type housing 96 and right funnel type housing 97 keeps certain distance to be oppositely arranged, the axis of left funnel type housing 96 and right funnel type housing 97 and the dead in line of upper rotating shaft 1, the small-bore openend of left funnel type housing 96 is fixed in fixing weight block 95, the small-bore openend of right funnel type housing 97 is fixed on centrifugal weights piece 91, the large aperture openend of left funnel type housing 96 is provided with the first annular brake block 80, the large aperture openend of right funnel type housing 97 is provided with annular installing plate 81, on annular installing plate 81, annular array has thruster bearing to form thruster bearing group 98, between thruster bearing group 98 and the first annular brake block 80, be provided with blocker plate 99, in blocker plate 99, offer and dodge hole 99-1, blocker plate 99 is fixed on skin, blocker plate 99 is provided with the second ring-shaped brake sheet 82 on the side relative with the first annular brake block 80, spacing when centrifugal deceleration device 9 remains static between the first annular brake block 80 and the second ring-shaped brake sheet 82 is 1 to 10mm.
In upper rotating shaft 1, Compress Spring 93 is for making centrifugal weights piece 91 away from fixing weight block 95 during in non-High Rotation Speed state, and the left and right diagonal line length of diamond structure is in upper and lower diagonal; Upper rotating shaft 1 during in High Rotation Speed state Compress Spring 93 under 91 effects of centrifugal weights piece near fixing weight block 95, the diagonal line length up and down of diamond structure is in left and right diagonal, right funnel type housing 97 is pressed close to blocker plate 99 under the drive of centrifugal weights piece 91, along with improving constantly of upper rotating shaft rotating speed, thruster bearing group 98 is touched and is oppressed blocker plate 99 and approaches to the first annular brake block 80, after the first annular brake block 80 contacts with the second ring-shaped brake sheet 82, produce between the two and make angular speed reduce to the retardation of rotation, realize and slowing down.
Only can in upper rotating shaft 1, slide in order to realize centrifugal weights piece 91, can not rotate around upper rotating shaft 1, for this reason, further optimize technical scheme of the present invention: upper rotating shaft 1 is two sections of left and right integral type axle, the cross section of left section of upper rotating shaft is circular, the cross section of right section of upper rotating shaft is non-circular, for example, can be quadrangle, and right section of upper rotating shaft is defined as overhanging section.
Only can in upper rotating shaft 1, slide in order to realize centrifugal weights piece 91, can not rotate around upper rotating shaft 1, for this reason, further optimize technical scheme of the present invention: centrifugal weights piece 91 arranges axially directed having strong market potential with upper rotating shaft 1 cooperation place.
In order to realize the installation stability of thruster bearing group 98, be provided with baffle ring 83 in the outer rim of annular installing plate 81.
Cannot realize the problem of braking at any time in order to solve high building life saving device of the prior art, for this reason, further optimize technical scheme of the present invention: also comprise brake ribbon 61, brake lever 62, brake mount 63 and friction wheel disc 64 for the chain rotating ladder of high-rise building life saving, described friction wheel disc 64 is fixed on lower-left sprocket wheel 31 or bottom right sprocket wheel 41, the friction wheel disc 64 that unrolls is provided with brake ribbon 61, brake ribbon 61 is connected with brake lever 62, and brake lever 62 is with to be arranged on ground brake mount 63 hinged.
Pull brake lever 62, brake ribbon 61 is held tightly on friction wheel disc 64, can make rotating shaft stop operating, and left and right loop chain remains static.
The present invention compared with prior art has following effect:
A kind of chain rotating ladder for high-rise building life saving of the present invention, simple in structure, be exposed to throughout the year outdoor, without maintenance, maintenance, in the time that the accidents such as fire occur, can start in time, reliable in action, cost is low, stable, on the basis with automatic speed regulating function, increase artificial braking function.
Brief description of the drawings
Fig. 1 is the chain rotating ladder overall structure front view for high-rise building life saving in the specific embodiment of the present invention one;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the chain rotating ladder overall structure front view for high-rise building life saving in the specific embodiment of the present invention two;
Fig. 4 is that the B of Fig. 3 is to view;
Fig. 5 is the A-A cutaway view of Fig. 3;
Fig. 6 is the structural representation of blocker plate;
Fig. 7 is the structural representation that hollow guide rail contains chain;
Fig. 8 is the annexation figure of left loop chain or right loop chain and whippletree.
In figure: upper rotating shaft 1; The first axle sleeve 2; Upper left sprocket wheel 3; Upper right sprocket wheel 4; Left groove 3-1; Right groove 4-1; Left loop chain 5; Right loop chain 6; Whippletree 7; Centrifugal deceleration device 9; The second axle sleeve 10; Lower rotary shaft 11; Lower-left sprocket wheel 31; Bottom right sprocket wheel 41; Chain wheeling supporting frame 51; Brake ribbon 61; Brake lever 62; Brake mount 63; Friction wheel disc 64; The first annular brake block 80; Annular installing plate 81; The second ring-shaped brake sheet 82; Baffle ring 83; Centrifugal weights piece 91; Pull bar 92; Compress Spring 93; Slow down protruding 94; Fixing weight block 95; Left funnel type housing 96; Right funnel type housing 97; Thruster bearing group 98; Blocker plate 99; Dodge hole 99-1.
Detailed description of the invention
Detailed description of the invention one: by reference to the accompanying drawings 1 and 2, Fig. 8 describes, the chain rotating ladder for high-rise building life saving of present embodiment, comprises rotating shaft 1, the first axle sleeve 2, the second axle sleeve 10, upper left sprocket wheel 3, upper right sprocket wheel 4, left loop chain 5, right loop chain 6, one group of whippletree 7 and centrifugal deceleration device 9;
The two ends of described upper rotating shaft 1 are supported on the support that body of wall stretches out by the first axle sleeve 2 and the second axle sleeve 10, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are also housed in upper rotating shaft 1, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are between the first axle sleeve 2 and the second axle sleeve 10; On upper left sprocket wheel 3 wheel rim relative with upper right sprocket wheel 4, there is left groove 3-1 and right groove 4-1;
Chain rotating ladder for high-rise building life saving also comprises lower rotary shaft 11, lower-left sprocket wheel 31, bottom right sprocket wheel 41 and two chain wheeling supporting frames 51, described lower rotary shaft 11 is arranged on the below of rotating shaft 1 and be arranged in parallel with upper rotating shaft 1, the two ends of lower rotary shaft 11 are supported on ground by chain wheeling supporting frame 51 respectively, lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are installed on lower rotary shaft 11, and lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are between two chain wheeling supporting frames 51;
Between described upper left sprocket wheel 3 and lower-left sprocket wheel 31, be connected with a joggle by left loop chain 5, between upper right sprocket wheel 4 and bottom right sprocket wheel 41, be connected with a joggle by right loop chain 6, between the left loop chain 5 of same chain distance and right loop chain 6, be fixed with the whippletree 7 of one group of level, when whippletree 7 moves to top, two ends are stuck in left groove 3-1 and right groove 4-1; Centrifugal deceleration device 9 is also housed in described upper rotating shaft 1, and centrifugal deceleration device 9 is positioned at the right side of the second axle sleeve 10.
Described centrifugal deceleration device 9 comprises centrifugal weights piece 91, four pull bars 92, Compress Springs 93 and the projection 94 of slowing down;
Described centrifugal weights piece 91 is arranged in rotating shaft 1, centrifugal weights piece 91 slides along the axis of upper rotating shaft 1, four pull bars 92 hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in rotating shaft 1, the right side pin joint of diamond structure is fixed on centrifugal weights piece 91, in upper rotating shaft 1, be also provided with Compress Spring 93, Compress Spring 93 is positioned at diamond structure inside, on described centrifugal deceleration device 9 building external wall behind, be provided with the projection 94 of slowing down, the projection 94 of slowing down coordinates with diamond structure to realize slows down.
Also comprise brake ribbon 61, brake lever 62, brake mount 63 and friction wheel disc 64 for the chain rotating ladder of high-rise building life saving, described friction wheel disc 64 is fixed on lower-left sprocket wheel 31 or bottom right sprocket wheel 41, the friction wheel disc 64 that unrolls is provided with brake ribbon 61, brake ribbon 61 is connected with brake lever 62, and brake lever 62 is with to be arranged on ground brake mount 63 hinged.
Pull brake lever 62, brake ribbon 61 is held tightly on friction wheel disc 64, can make rotating shaft stop operating, and left and right loop chain remains static.
The chain rotating ladder for high-rise building life saving described in present embodiment is like this operation: in the time that fire occurs, when manoeuvre (or) resident is by the outlet that closes on chain rotating ladder of place floor, handgrip whippletree at the moment, and ride below whippletree on, make oneself to be multiplied by rotating ladder, rotating ladder stresses under thing effect one, this side is descending, the rotation of band movable sprocket, sprocket wheel drives rotating shaft rotation, in upper rotating shaft 1, Compress Spring 93 is for making centrifugal weights piece 91 away from the second axle sleeve 10 during in non-High Rotation Speed state, and the left and right diagonal line length of diamond structure is in upper and lower diagonal; Upper rotating shaft 1 during in High Rotation Speed state Compress Spring 93 under 91 effects of centrifugal weights piece near the second axle sleeve 10, the diagonal line length up and down of diamond structure is in left and right diagonal, when the diagonal angle up and down High Rotation Speed of diamond structure with slow down projection 94 collisions and being blocked, rotating speed reduces to realize and slows down.Diamond structure centrifugal rotation radius shrinks with the projection of slowing down and departs from.And so forth, sprocket wheel can only steadily rotate at certain rotating speed lower area, make chain uniform descent, ensure that survivor's safety falls earthward, after current crowd of survivor lands, need a people to organize the resident in building to continue escape, this people should catch whippletree, another rotating ladder is in reliable inactive state, at this moment each layer can have one or many people to be multiplied by rotating ladder, can be assisted to be packed in reliable travelling bag to be hung on whippletree by other people without autonomous ability to act person to the old,weak,sick and disabled and baby, after landing, organizer is next by saving on whippletree by survivor, carry out again next batch resident's escape, until full building resident evacuates complete.This chain rotating ladder, except making resident escape the inferno, also can be used for rescuing and shifting valuables.
Imagination said process only needs ten minutes, and then fire fighter comes, and at this moment they,, without rescuing people, only need launch fire extinguisher bomb to ignition point, and efficiency stamps out a fire on highland very much like this, and resident and fire fighter are all safe and sound, and material damage also can be very little.
This chain rotating ladder simple structure, reliable in action, cost are low, and can manufacture very attractive in appearance, as all chromium plating of chain, whippletree is the steel pipe of stainless steel crust parcel, can be that building is hyperchromic, this device invests on building masonry wall, and people-oriented can to show civilized society, the respect to life, the sense of duty of true love.
For very high building, for ensureing that chain can not produce excessive swing under the effect of wind lotus, hollow guide rail can be set and contain chain, hollow guide rail is fixed on skin.Referring to Fig. 7.
In addition, this chain rotating ladder is easy to manufacture and installs, and its upper left sprocket wheel, upper right sprocket wheel, left loop chain, right loop chain can be used the approved product of national standard.
Detailed description of the invention two: by reference to the accompanying drawings 3 and 6, Fig. 8 describes, the chain rotating ladder for high-rise building life saving of present embodiment, comprises rotating shaft 1, the first axle sleeve 2, the second axle sleeve 10, upper left sprocket wheel 3, upper right sprocket wheel 4, left loop chain 5, right loop chain 6, one group of whippletree 7 and centrifugal deceleration device 9;
The two ends of described upper rotating shaft 1 are supported on the support that body of wall stretches out by the first axle sleeve 2 and the second axle sleeve 10, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are also housed in upper rotating shaft 1, and upper left sprocket wheel 3 and upper right sprocket wheel 4 are between the first axle sleeve 2 and the second axle sleeve 10; On upper left sprocket wheel 3 wheel rim relative with upper right sprocket wheel 4, there is left groove 3-1 and right groove 4-1;
Chain rotating ladder for high-rise building life saving also comprises lower rotary shaft 11, lower-left sprocket wheel 31, bottom right sprocket wheel 41 and two chain wheeling supporting frames 51, described lower rotary shaft 11 is arranged on the below of rotating shaft 1 and be arranged in parallel with upper rotating shaft 1, the two ends of lower rotary shaft 11 are supported on ground by chain wheeling supporting frame 51 respectively, lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are installed on lower rotary shaft 11, and lower-left sprocket wheel 31 and bottom right sprocket wheel 41 are between two chain wheeling supporting frames 51;
Between described upper left sprocket wheel 3 and lower-left sprocket wheel 31, be connected with a joggle by left loop chain 5, between upper right sprocket wheel 4 and bottom right sprocket wheel 41, be connected with a joggle by right loop chain 6, between the left loop chain 5 of same chain distance and right loop chain 6, be fixed with the whippletree 7 of one group of level, when whippletree 7 moves to top, two ends are stuck in left groove 3-1 and right groove 4-1; Centrifugal deceleration device 9 is also housed in described upper rotating shaft 1, and centrifugal deceleration device 9 is positioned at the right side of the second axle sleeve 10.
Described centrifugal deceleration device 9 comprises centrifugal weights piece 91, four pull bars 92, Compress Spring 93, fixing weight block 95, left funnel type housing 96, right funnel type housing 97, thruster bearing group 98 and blocker plate 99;
Described fixing weight block 95 and centrifugal weights piece 91 are arranged in rotating shaft 1 from left to right, centrifugal weights piece 91 slides along the axis of upper rotating shaft 1, fixing weight block 95 is fixed in rotating shaft 1, four pull bars 92 hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in fixing weight block 95, the right side pin joint of diamond structure is fixed on centrifugal weights piece 91, in upper rotating shaft 1, be also provided with Compress Spring 93, Compress Spring 93 is positioned at diamond structure inside, the large aperture openend of left funnel type housing 96 and right funnel type housing 97 keeps certain distance to be oppositely arranged, the axis of left funnel type housing 96 and right funnel type housing 97 and the dead in line of upper rotating shaft 1, the small-bore openend of left funnel type housing 96 is fixed in fixing weight block 95, the small-bore openend of right funnel type housing 97 is fixed on centrifugal weights piece 91, the large aperture openend of left funnel type housing 96 is provided with the first annular brake block 80, the large aperture openend of right funnel type housing 97 is provided with annular installing plate 81, on annular installing plate 81, annular array has thruster bearing to form thruster bearing group 98, between thruster bearing group 98 and the first annular brake block 80, be provided with blocker plate 99, in blocker plate 99, offer and dodge hole 99-1, blocker plate 99 is fixed on skin, blocker plate 99 is provided with the second ring-shaped brake sheet 82 on the side relative with the first annular brake block 80, spacing when centrifugal deceleration device 9 remains static between the first annular brake block 80 and the second ring-shaped brake sheet 82 is 1 to 10mm.
Only can in upper rotating shaft 1, slide in order to realize centrifugal weights piece 91, can not rotate around upper rotating shaft 1, for this reason, further optimize technical scheme of the present invention: upper rotating shaft 1 is two sections of left and right integral type axle, the cross section of left section of upper rotating shaft is circular, and the cross section of right section of upper rotating shaft is non-circular.
Only can in upper rotating shaft 1, slide in order to realize centrifugal weights piece 91, can not rotate around upper rotating shaft 1, for this reason, further optimize technical scheme of the present invention: centrifugal weights piece 91 arranges axially directed having strong market potential with upper rotating shaft 1 cooperation place.
In order to realize the installation stability of thruster bearing group 98, be provided with baffle ring 83 in the outer rim of annular installing plate 81.
Also comprise brake ribbon 61, brake lever 62, brake mount 63 and friction wheel disc 64 for the chain rotating ladder of high-rise building life saving, described friction wheel disc 64 is fixed on lower-left sprocket wheel 31 or bottom right sprocket wheel 41, the friction wheel disc 64 that unrolls is provided with brake ribbon 61, brake ribbon 61 is connected with brake lever 62, and brake lever 62 is with to be arranged on ground brake mount 63 hinged.
Pull brake lever 62, brake ribbon 61 is held tightly on friction wheel disc 64, can make rotating shaft stop operating, and left and right loop chain remains static.
The chain rotating ladder for high-rise building life saving described in present embodiment is like this operation: in the time that fire occurs, when manoeuvre (or) resident is by the outlet that closes on chain rotating ladder of place floor, handgrip whippletree at the moment, and ride below whippletree on, make oneself to be multiplied by rotating ladder, rotating ladder stresses under thing effect one, this side is descending, the rotation of band movable sprocket, sprocket wheel drives rotating shaft rotation, in upper rotating shaft 1, Compress Spring 93 is for making centrifugal weights piece 91 away from fixing weight block 95 during in non-High Rotation Speed state, and the left and right diagonal line length of diamond structure is in upper and lower diagonal, upper rotating shaft 1 during in High Rotation Speed state Compress Spring 93 under 91 effects of centrifugal weights piece near fixing weight block 95, the diagonal line length up and down of diamond structure is in left and right diagonal, right funnel type housing 97 is pressed close to blocker plate 99 under the drive of centrifugal weights piece 91, along with improving constantly of upper rotating shaft rotating speed, thruster bearing group 98 is touched and is oppressed blocker plate 99 and approaches to the first annular brake block 80, after the first annular brake block 80 contacts with the second ring-shaped brake sheet 82, produce between the two and make angular speed reduce to the retardation of rotation, realize and slowing down, centrifugal weights piece 91 moves to right and then the first annular brake block 80 separates with the second ring-shaped brake sheet 82, again on chain under the effect of weight, wheel shaft rotating speed increases.And so forth, only have wheel shaft rotary-chain under a certain critical speed at the uniform velocity to move downward.
Present embodiment is the exemplary illustration to this patent just, does not limit its protection domain, and those skilled in the art can also change its part, as long as no the Spirit Essence that exceeds this patent, all in the protection domain of this patent.
Claims (6)
1. for a chain rotating ladder for high-rise building life saving, comprise rotating shaft (1), the first axle sleeve (2), the second axle sleeve (10), upper left sprocket wheel (3), upper right sprocket wheel (4), left loop chain (5), right loop chain (6), one group of whippletree (7) and centrifugal deceleration device (9);
The two ends of described upper rotating shaft (1) are supported on the support that body of wall stretches out by the first axle sleeve (2) and the second axle sleeve (10), upper left sprocket wheel (3) and upper right sprocket wheel (4) are also housed in upper rotating shaft (1), and upper left sprocket wheel (3) and upper right sprocket wheel (4) are positioned between the first axle sleeve (2) and the second axle sleeve (10);
It is characterized in that: also comprise lower rotary shaft (11), lower-left sprocket wheel (31), bottom right sprocket wheel (41) and two chain wheeling supporting frames (51) for the chain rotating ladder of high-rise building life saving, described lower rotary shaft (11) is arranged on the below of rotating shaft (1) and be arranged in parallel with upper rotating shaft (1), the two ends of lower rotary shaft (11) are supported on ground by chain wheeling supporting frame (51) respectively, lower-left sprocket wheel (31) and bottom right sprocket wheel (41) are installed on lower rotary shaft (11), and lower-left sprocket wheel (31) and bottom right sprocket wheel (41) are positioned between two chain wheeling supporting frames (51);
Between described upper left sprocket wheel (3) and lower-left sprocket wheel (31), be connected with a joggle by left loop chain (5), between upper right sprocket wheel (4) and bottom right sprocket wheel (41), be connected with a joggle by right loop chain (6), between the left loop chain (5) of same chain distance and right loop chain (6), be fixed with the whippletree (7) of one group of level, centrifugal deceleration device (9) is also housed in described upper rotating shaft (1), and centrifugal deceleration device (9) is positioned at the right side of the second axle sleeve (10);
Also comprise brake ribbon (61), brake lever (62), brake mount (63) and friction wheel disc (64) for the chain rotating ladder of high-rise building life saving, described friction wheel disc (64) is fixed on lower-left sprocket wheel (31) or bottom right sprocket wheel (41), the friction wheel disc (64) that unrolls is provided with brake ribbon (61), brake ribbon (61) is connected with brake lever (62), and brake lever (62) is with to be arranged on ground brake mount (63) hinged.
2. a kind of chain rotating ladder for high-rise building life saving according to claim 1, is characterized in that: described centrifugal deceleration device (9) comprises centrifugal weights piece (91), four pull bars (92), Compress Spring (93) and the projection (94) of slowing down;
Described centrifugal weights piece (91) is arranged in rotating shaft (1), centrifugal weights piece (91) slides along the axis of upper rotating shaft (1), four pull bars (92) hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in rotating shaft (1), the right side pin joint of diamond structure is fixed on centrifugal weights piece (91), in upper rotating shaft (1), be also provided with Compress Spring (93), Compress Spring (93) is positioned at diamond structure inside, on described centrifugal deceleration device (9) building external wall behind, be provided with the projection (94) of slowing down, the projection (94) of slowing down coordinates with diamond structure to realize slows down.
3. a kind of chain rotating ladder for high-rise building life saving according to claim 1, is characterized in that: described centrifugal deceleration device (9) comprises centrifugal weights piece (91), four pull bars (92), Compress Spring (93), fixing weight block (95), left funnel type housing (96), right funnel type housing (97), thruster bearing group (98) and blocker plate (99);
Described fixing weight block (95) and centrifugal weights piece (91) are arranged in rotating shaft (1) from left to right, centrifugal weights piece (91) slides along the axis of upper rotating shaft (1), fixing weight block (95) is fixed in rotating shaft (1), four pull bars (92) hinged formation diamond structure that joins end to end, the left side pin joint of diamond structure is fixed in fixing weight block (95), the right side pin joint of diamond structure is fixed on centrifugal weights piece (91), in upper rotating shaft (1), be also provided with Compress Spring (93), Compress Spring (93) is positioned at diamond structure inside, the large aperture openend of left funnel type housing (96) and right funnel type housing (97) keeps certain distance to be oppositely arranged, the dead in line of the axis of left funnel type housing (96) and right funnel type housing (97) and upper rotating shaft (1), the small-bore openend of left funnel type housing (96) is fixed in fixing weight block (95), the small-bore openend of right funnel type housing (97) is fixed on centrifugal weights piece (91), the large aperture openend of left funnel type housing (96) is provided with the first annular brake block (80), the large aperture openend of right funnel type housing (97) is provided with annular installing plate (81), the upper annular array of annular installing plate (81) has thruster bearing to form thruster bearing group (98), between thruster bearing group (98) and the first annular brake block (80), be provided with blocker plate (99), in blocker plate (99), offer and dodge hole (99-1), blocker plate (99) is fixed on skin, blocker plate (99) is provided with the second ring-shaped brake sheet (82) on the side relative with the first annular brake block (80), spacing when centrifugal deceleration device (9) remains static between the first annular brake block (80) and the second ring-shaped brake sheet (82) is 1 to 10mm.
4. a kind of chain rotating ladder for high-rise building life saving according to claim 3, is characterized in that: overhanging section of cross section of upper rotating shaft (1) is non-circular.
5. a kind of chain rotating ladder for high-rise building life saving according to claim 3, is characterized in that: centrifugal weights piece (91) arranges axially directed having strong market potential with upper rotating shaft (1) cooperation place.
6. according to a kind of chain rotating ladder for high-rise building life saving described in claim 4 or 5, it is characterized in that: be provided with baffle ring (83) in the outer rim of annular installing plate (81).
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| CN201410486059.6A CN104190007B (en) | 2014-09-22 | 2014-09-22 | High-rise lifesaving chain-shaped escalator |
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| CN201410486059.6A CN104190007B (en) | 2014-09-22 | 2014-09-22 | High-rise lifesaving chain-shaped escalator |
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| CN104190007A true CN104190007A (en) | 2014-12-10 |
| CN104190007B CN104190007B (en) | 2017-05-03 |
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| CN108506370A (en) * | 2017-03-28 | 2018-09-07 | 宁波天弘电力器具有限公司 | A kind of slow drop escape device with centrifugation automatic control gear |
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| CN104190007B (en) | 2017-05-03 |
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