CN202802553U - Descent control device - Google Patents
Descent control device Download PDFInfo
- Publication number
- CN202802553U CN202802553U CN 201220504371 CN201220504371U CN202802553U CN 202802553 U CN202802553 U CN 202802553U CN 201220504371 CN201220504371 CN 201220504371 CN 201220504371 U CN201220504371 U CN 201220504371U CN 202802553 U CN202802553 U CN 202802553U
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- rope
- wheel
- descending lifeline
- fixed
- outer cover
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Abstract
The utility model discloses a descent control device. The descent control device comprises an outer shell, a rope wheel, an idle wheel shaft, a center gear wheel and a friction disc, wherein the outer shell is provided with a center shaft, the rope wheel is installed on the center shaft and driven through a rope, the idle wheel shaft is fixed on the end face of the rope wheel, the center gear wheel is installed on the center shaft, and the friction disc is fixedly connected with the center gear wheel; the outer shell is provided with a rope opening, and the rope gets in and out through the rope opening; the side face of the rope wheel is provided with a rope groove; an idle wheel which can rotate is installed on the idle wheel shaft; the idle wheel is meshed with inner teeth of the outer shell, and meshed with the center gear wheel; a friction block is fixed on the friction disc, and the friction block and the inner wall of the outer shell form a friction pair; and at least one of the center gear wheel and the rope wheel is rotationally installed on the center shaft. The descent control device can enable people, articles and the like at high positions to be slowly conveyed to lower positions, the people, the articles and the like are prevented from rapidly falling off during falling processes, and therefore injuries to and deaths of the people and loss of the articles are avoided.
Description
Technical field
The utility model relates to the lifesaving appliance technical field, more particularly, relates to a kind of descending lifeline.
Background technology
Along with the development of science and technology, the quantity of high-rise is more and more, such as high-rise residential building, commercial office building, major museum etc.
But, when high-rise occurs such as dangerous situations such as fire, earthquakes, elevator ﹠ stairs often are blocked, people can't normally leave the scene of the accident, only can locate to be down to ground by window, balcony or roof etc. by instruments such as ropes, and usually fall rapidly to ground because can't hold rope in the decline process, cause casualties and unnecessary loss.
In sum, how to provide a kind of conveying device, with more lentamente with the personage of eminence, article delivery to lower position, avoiding personnel's injures and deaths, the loss of article is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the utility model provides a kind of descending lifeline, lentamente the personnel of eminence, article etc. are delivered to lower position, prevents the fast tenesmus in the decline process such as personnel, article, avoids personnel's injures and deaths, the loss of article.
For achieving the above object, the utility model provides following technical scheme:
A kind of descending lifeline comprises:
Be provided with the shell of central shaft, have the rope mouth for the rope turnover on it;
Be arranged on the described central shaft, and the rope sheave that is driven by described rope, its side is provided with grooving;
Be fixed on the axle of carrier pulley on the described rope sheave end face, which is provided with rotating idle wheel; Internal tooth engagement on described idle wheel and the described shell;
Be arranged on the described central shaft, and with the central gear of described idle wheel engagement; With
The frictional disk that is fixedly connected with described central gear is fixed with brake pad on it; Described brake pad and described outer casing inner wall form friction pair; In described central gear and the described rope sheave at least one is arranged on the described central shaft rotationally.
Preferably, in the above-mentioned descending lifeline, also comprise being fixed in the described shell, and 3 guide wheel shafts corresponding with described rope mouth, be equipped with rotating directive wheel on each described guide wheel shaft.
Preferably, in the above-mentioned descending lifeline, described rope sheave and described central gear all are arranged on the described central shaft rotationally.
Preferably, in the above-mentioned descending lifeline, be equipped with the helical form oil groove in the installing hole of described rope sheave, described central gear, described idle wheel.
Preferably, in the above-mentioned descending lifeline, the number of described idle wheel is 2, and 2 described idle wheels are evenly distributed on the described rope sheave.
Preferably, in the above-mentioned descending lifeline, the end face of described rope sheave is provided with the breach corresponding with described idle wheel, and the sidewall of described breach is provided with the first pin hole; Described axle of carrier pulley stretches in the described breach, and its end is provided with the second pin hole, and it is fixed on the described rope sheave by the pin that passes successively described the second pin hole and described the first pin hole.
Preferably, in the above-mentioned descending lifeline, described shell comprises 2 side plates and the outer cover that links to each other with described side plate; Described outer cover is between 2 described side plates, and described side plate is provided with the groove that cooperates with described outer cover;
Described central shaft is across on 2 described side plates, and its end is provided with the bolt that is positioned at outside the described outer cover; The inwall of described brake pad and described outer cover forms friction pair; Described rope mouth is arranged on the described outer cover; Described internal tooth is arranged on the inwall of described outer cover.
Preferably, in the above-mentioned descending lifeline, described central gear comprises cylindrical body section and a plurality of teeth that are fixed on the described main part; Described main part along its axial length greater than described tooth length in the direction; Described frictional disk is the lengthy motion picture shape, and its pilot hole by its middle part is sleeved on the described main part, and it is fixed on the described central gear; Described brake pad is by on the fixing described frictional disk of the arc tray that is fixed on described frictional disk two ends, and described brake pad is fastened in the mounting groove of described arc tray.
Preferably, in the above-mentioned descending lifeline, comprise also being positioned at the outer hanging scroll of described outer cover that it is across on described side plate, and be fixed on the described side plate by the nut that is arranged on its two ends.
Preferably, in the above-mentioned descending lifeline, described grooving is V-shaped groove, and its angle is 8 °.
The descending lifeline that the utility model provides comprises shell, rope sheave, axle of carrier pulley, central gear and frictional disk, and wherein, shell is provided with central shaft, and offers the rope mouth for the rope turnover on it; Rope sheave is provided with grooving, and it is arranged on the central shaft, and it is driven by rope; Axle of carrier pulley is fixed on the rope sheave end face, which is provided with rotating idle wheel; Internal tooth engagement on above-mentioned idle wheel and the shell; Central gear is arranged on the central shaft, and the engagement of itself and above-mentioned idle wheel; Frictional disk is fixed on the central gear, is fixed with brake pad on it, and the inwall of this brake pad and shell forms friction pair; In above-mentioned central gear and the rope sheave at least one is arranged on the central shaft rotationally, can relatively rotate to guarantee central gear and rope sheave.
During application, an end that makes rope mouthful is entered in the shell by rope, and mouthful is passed by rope behind the grooving on the rope sheave; Shell is fixed on eminence, and the backward lower of an end that makes people or thing be fixed on rope is carried, and rope drives rope sheave and rotates, axle of carrier pulley rotates and drives idle wheel and rolls along internal tooth with rope sheave, idle wheel drives central gear and rotates, and then the frictional disk that is fixedly connected with central gear rotates; The inwall of shell produces frictional resistance to the brake pad on the frictional disk, cause the rotating speed of central gear limited, accordingly, the idle wheel velocity of rotation is less, the velocity of rotation of rope sheave is less, people or the thing that can avoid being transferred drop fast, prevent from causing danger when the people that is transferred or thing are down to lower position.
The utility model provides slow fall that brucker survival capsule can eminence people or thing are delivered to lower position with less speed, prevent the fast tenesmus in the decline process of personnel, article, avoid personnel's injures and deaths, the loss of article.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the descending lifeline that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the cutaway view of A-A among Fig. 1;
Fig. 3 is the cutaway view of B-B among Fig. 1;
Wherein, among Fig. 1-Fig. 3:
The specific embodiment
The utility model embodiment discloses a kind of descending lifeline, lentamente the personnel of eminence, article etc. are delivered to lower position, prevents the fast tenesmus in the decline process such as personnel, article, avoids personnel's injures and deaths, the loss of article.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 2, the descending lifeline that the utility model embodiment provides comprises shell, rope sheave 106, axle of carrier pulley 117, central gear 114 and frictional disk 112, and wherein, shell is provided with central shaft 105, and offers the rope mouth for rope 109 turnover on it; Rope sheave 106 is provided with grooving, and it is arranged on the central shaft 105, and it is driven by rope 109; Axle of carrier pulley 117 is fixed on the end face of rope sheave 106, which is provided with rotating idle wheel 115; Internal tooth engagement on above-mentioned idle wheel 115 and the shell; Central gear 114 is arranged on the central shaft 105, and 115 engagements of itself and above-mentioned idle wheel; Frictional disk 112 is fixed on the central gear 114, is fixed with brake pad 118 on it, and the inwall of this brake pad 118 and shell forms friction pair; In above-mentioned central gear 114 and the rope sheave 106 at least one is arranged on the central shaft 105 rotationally, can relatively rotate to guarantee central gear 114 and rope sheave 106.
During application, an end that makes rope 109 mouthful is entered in the shell by rope, and walks around behind the grooving on the rope sheave 106 by rope and mouthful pass; Shell is fixed on eminence, the backward lower of an end that makes people or thing be fixed on rope 109 is carried, rope 109 drives rope sheave 106 and rotates, axle of carrier pulley 117 rotates and drives idle wheel 115 with rope sheave 106 and rolls along internal tooth, idle wheel 115 drives central gear 114 and rotates, and then the frictional disk 112 that is fixedly connected with central gear 114 rotates; The inwall of shell produces frictional resistance to the brake pad 118 on the frictional disk 112, cause the rotating speed of central gear 114 limited, accordingly, the velocity of rotation of idle wheel 115 is less, the velocity of rotation of rope sheave 106 is less, can avoid the people or the thing fast-descending that are transferred, prevent from causing danger when the people that is transferred or thing are down to lower position.
The slow brucker survival capsule that falls that the utility model embodiment provides can be delivered to lower position with less speed with people or the thing of eminence, prevents the fast tenesmus in the decline process of personnel, article, avoids personnel's injures and deaths, the loss of article.
Concrete, in the descending lifeline that above-described embodiment provides, rope sheave 106 and central gear 114 all are arranged on the central shaft 105 rotationally.Preferably, be equipped with spiral helicine oil groove in the installing hole at rope sheave 106, central gear 114 middle parts, be convenient to add lubricating oil.Accordingly, also be provided with the helical form oil groove in the installing hole at idle wheel 115 middle parts.
In the descending lifeline that above-described embodiment provides, idle wheel 115 can be set to one or more, because needing to promote central gear 114, idle wheel 115 rotates, and central gear 114 is subject to larger resistance under the effect of brake pad 118 and outer casing inner wall, so for the ease of promoting central gear 114, idle wheel 115 is set to a plurality of; Preferably, a plurality of idle wheels 115 are evenly distributed on the rope sheave 106, so that central gear 114 uniform stresseds.Concrete, in the descending lifeline that present embodiment provides, idle wheel 115 is set to 2.
Above-mentioned axle of carrier pulley 117 can be fixed on the end face of rope sheave 106 by the mode of welding, and is preferred, adopts fixture to be fixed on the end face of rope sheave 106.Concrete, on the end face of rope sheave 106 breach is set, and on the sidewall of breach the first pin hole is set; The end of axle of carrier pulley 117 is provided with the second pin hole, and this end stretches into above-mentioned indentation, there, and is fixed on the rope sheave 106 by pin 104; Above-mentioned pin 104 passes the second pin hole and the first pin hole successively.Above-mentioned pin 104 adopts elastic cylindrical pin.Concrete, the free end of axle of carrier pulley 117 is provided with the circumferential draw-in groove with elastic washer 116, is used for idle wheel 115 axial limitings at axle of carrier pulley 117.
Concrete, in the descending lifeline that above-described embodiment provides, shell comprises 2 side plates 103 and the outer cover 111 that links to each other with above-mentioned side plate 103, outer cover 111 is between 2 side plates 103, and side plate 103 is provided with the groove that cooperates with outer cover 111; Central shaft 105 is across on 2 side plates 103, and its end is provided with and is positioned at the outer hold-down nut of outer cover 111, and central shaft 105 makes outer cover 111 be fixedly connected with 2 side plates 103 by the hold-down nut at its two ends; Brake pad 118 forms friction pair with the inwall of outer cover 111; The rope mouth is arranged on the outer cover 111; Internal tooth is arranged on the inwall of outer cover 111.Preferably, be provided with alignment pin 102 near the position near above-mentioned groove on the side plate 103 of rope sheave 106, be convenient to outer cover 111 and be stuck in rapidly above-mentioned groove.Above-mentioned outer cover 111 is cylindric.
Because rope 109 need to bear the people that is transferred or the gravity of thing, can be tight in the application process, easily rub with the rope mouth, so in order further to optimize technique scheme, in the descending lifeline that the utility model embodiment provides, also comprise and fixing in the enclosure, and 3 guide wheel shafts 107 corresponding with the rope mouth, be equipped with rotationally directive wheel 108 on each guide wheel shaft 107.During application, rope 109 is stretched in the shell by the space between two adjacent directive wheels 108, make rope 109 walk around rope sheave 106 and stretch out shell by another space between the directive wheel 108 afterwards.Concrete, rope mouth position on the outer cover 111 is fixed with the baffle plate 110 parallel with side plate 103, guide wheel shaft 107 is across on baffle plate 110 and side plate 103, and the part of guide wheel shaft 107 between baffle plate 110 and side plate 103 slightly passed respectively two ends of baffle plate 110 and side plate 103 thereon, and guide wheel shaft 107 squeezes between baffle plate 110 and side plate 103.
Further, in the descending lifeline that above-described embodiment provides, central gear 114 comprises the main part of tubular and is fixed on a plurality of teeth on the main part, wherein, main part along its axial length greater than above-mentioned tooth length in the direction; Frictional disk 112 is the lengthy motion picture shape, and its pilot hole by its middle part is sleeved on the main part, and is fixed on the central gear 114; The two ends of frictional disk 112 are fixed with the arc tray 113 corresponding with outer cover 111, and this arc tray 113 is provided with mounting groove near the end face of outer covers 111, and brake pad 118 is fastened in the above-mentioned mounting groove.Concrete, frictional disk 112 is close to above-mentioned tooth, and above-mentioned arc tray 113 is fixed on the side that frictional disk 112 deviates from above-mentioned tooth; Above-mentioned frictional disk 112 can be fixedly connected with tooth with main part by the mode of welding simultaneously.
Further, the brake pad made for the toughness friction material of above-mentioned brake pad 118.
For the ease of this descending lifeline is fixed on eminence, hook or hanging scroll 120 can also be set on the shell.When adopting the form of hanging scroll 120, the chimb with pilot hole can be set on the above-mentioned side plate 103, make hanging scroll 120 two ends pass respectively pilot hole on the side plate 103, and in its end nut 119 is set and get final product; Preferably, can between above-mentioned nut 119 and side plate 103, packing ring 101 be set.Preferably, above-mentioned hanging scroll 120 comprises bending section between 2 side plates 103, and this bending section is along the radial convex of central shaft from shell.
Concrete, in the descending lifeline that above-described embodiment provides, grooving can be set to the groove that the bottom surface is cambered surface, can also be set to angle and be 8 ° V-shaped groove.
Preferably, in the descending lifeline that above-described embodiment provides, comprise that also the slit by adjacent directive wheel 108 penetrates in the shell, walk around the rope sheave 106 rear ropes 109 that passed by another slit of adjacent directive wheel 108, these rope 109 two ends can arrange mounting strap.The descending lifeline that present embodiment provides has comprised rope 109, is convenient to people and at once uses when dangerous situation occurring, has saved the time of assembling rope 109.
The descending lifeline that the utility model embodiment provides is simple in structure, is convenient to manufacture.In addition, rope 109 is only walked around a rope sheave 106 in the descending lifeline that the utility model embodiment provides, and by different directive wheels 108 slits turnover shell, rope 109 can wear and tear hardly in the use procedure, so the descending lifeline that present embodiment provides is lower to the wear-resistant Capability Requirement of rope 109.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a descending lifeline is characterized in that, comprising:
Be provided with the shell of central shaft, have the rope mouth for the rope turnover on it;
Be arranged on the described central shaft, and the rope sheave that is driven by described rope, its side is provided with grooving;
Be fixed on the axle of carrier pulley on the described rope sheave end face, which is provided with rotating idle wheel; Internal tooth engagement on described idle wheel and the described shell;
Be arranged on the described central shaft, and with the central gear of described idle wheel engagement; With
The frictional disk that is fixedly connected with described central gear is fixed with brake pad on it; Described brake pad and described outer casing inner wall form friction pair; In described central gear and the described rope sheave at least one is arranged on the described central shaft rotationally.
2. descending lifeline according to claim 1 is characterized in that, also comprise being fixed in the described shell, and 3 guide wheel shafts corresponding with described rope mouth, be equipped with rotating directive wheel on each described guide wheel shaft.
3. descending lifeline according to claim 1 is characterized in that, described rope sheave and described central gear all are arranged on the described central shaft rotationally.
4. descending lifeline according to claim 3 is characterized in that, is equipped with the helical form oil groove in the installing hole of described rope sheave, described central gear, described idle wheel.
5. descending lifeline according to claim 1 is characterized in that, the number of described idle wheel is 2, and 2 described idle wheels are evenly distributed on the described rope sheave.
6. descending lifeline according to claim 5 is characterized in that, the end face of described rope sheave is provided with the breach corresponding with described idle wheel, and the sidewall of described breach is provided with the first pin hole; Described axle of carrier pulley stretches in the described breach, and its end is provided with the second pin hole, and it is fixed on the described rope sheave by the pin that passes successively described the second pin hole and described the first pin hole.
7. descending lifeline according to claim 1 is characterized in that, described shell comprises 2 side plates and the outer cover that links to each other with described side plate; Described outer cover is between 2 described side plates, and described side plate is provided with the groove that cooperates with described outer cover;
Described central shaft is across on 2 described side plates, and its end is provided with the bolt that is positioned at outside the described outer cover; The inwall of described brake pad and described outer cover forms friction pair; Described rope mouth is arranged on the described outer cover; Described internal tooth is arranged on the inwall of described outer cover.
8. descending lifeline according to claim 7 is characterized in that, described central gear comprises cylindrical body section and a plurality of teeth that are fixed on the described main part; Described main part along its axial length greater than described tooth length in the direction; Described frictional disk is the lengthy motion picture shape, and its pilot hole by its middle part is sleeved on the described main part, and it is fixed on the described central gear; Described brake pad is by on the fixing described frictional disk of the arc tray that is fixed on described frictional disk two ends, and described brake pad is fastened in the mounting groove of described arc tray.
9. according to right 7 described descending lifelines, it is characterized in that, also comprise being positioned at the outer hanging scroll of described outer cover that it is across on described side plate, and be fixed on the described side plate by the nut that is arranged on its two ends.
10. the described descending lifeline of any one is characterized in that according to claim 1-9, and described grooving is V-shaped groove, and its angle is 8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504371 CN202802553U (en) | 2012-09-28 | 2012-09-28 | Descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504371 CN202802553U (en) | 2012-09-28 | 2012-09-28 | Descent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202802553U true CN202802553U (en) | 2013-03-20 |
Family
ID=47861500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220504371 Expired - Fee Related CN202802553U (en) | 2012-09-28 | 2012-09-28 | Descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202802553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861385A (en) * | 2012-09-28 | 2013-01-09 | 李景海 | Descent control device |
-
2012
- 2012-09-28 CN CN 201220504371 patent/CN202802553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861385A (en) * | 2012-09-28 | 2013-01-09 | 李景海 | Descent control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |