CN203400422U - High-sensitivity lifesaving descent control device allowing lifesaving rope to be capable of being replaced - Google Patents
High-sensitivity lifesaving descent control device allowing lifesaving rope to be capable of being replaced Download PDFInfo
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- CN203400422U CN203400422U CN201320534022.7U CN201320534022U CN203400422U CN 203400422 U CN203400422 U CN 203400422U CN 201320534022 U CN201320534022 U CN 201320534022U CN 203400422 U CN203400422 U CN 203400422U
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Abstract
The utility model provides a high-sensitivity lifesaving descent control device allowing a lifesaving rope to be capable of being replaced. The high-sensitivity lifesaving descent control device comprises a brake hub, a rope guide cover and a center shaft, wherein the rope guide cover is connected with the brake hub in a matched mode, and the two ends of the center shaft are connected with the brake hub and the rope guide cover respectively. The center shaft is sleeved with a rotatable centrifugal wheel and a rotatable rope wheel, the centrifugal wheel is provided with more than two fan-shaped grooves which are annularly and evenly distributed in the cylindrical surface of the centrifugal wheel, a fan-shaped damping block which can move in the radial direction is arranged in each fan-shaped groove, and a center gear is fixedly arranged on the right side of the centrifugal wheel; an internal gear is fixedly arranged on the left side of the rope wheel; more than two rope guide holes are formed in the cylindrical surface of the rope guide cover; the rope guide cover is provided with a fixing cover; a planet shell is fixedly arranged in the brake hub, a rotatable planet gear is arranged on the inner side of the planet shell, the planet gear is simultaneously connected with the center gear and the internal gear in a meshed mode, and a gear fixing plate is arranged above the planet gear. The high-sensitivity lifesaving descent control device is additionally provided with a speed increasing transmission mechanism of a planet gear train, a centrifugal force brake principle is adopted, and speed reduction sensitivity of the centrifugal wheel is improved; because a gear transmission mode is used, a blocking phenomenon is avoided; the planet gear is firm, the rope is replaced rapidly and conveniently, and the rope can be changed and allocated according to different storey heights.
Description
Technical field
The utility model relates to lifesaving appliance technical field, especially a kind of high-sensitivity life-saving descent.
Background technology
Along with Chinese society expanding economy, people's material life is improved, and high-frequency fire incident also occurs again and again, and the problem that solves current high building fire fighting is brought into schedule, and the high-rise emergency escape of personnel is very urgent with safe escape problem.
Lifesaving descent control device is a kind of altitude being in daily use apparatus of saving oneself, and it is personnel in the skyscraper a kind of escaping tools while running into the dangerous situations such as fire, earthquake.Make a general survey of current fire-fighting equipment industry, high-rise emergency escape descending lifeline is mainly divided into from escape mode: the high-rise emergency escape descending lifeline of fixed colony, the high-rise emergency escape descending lifeline of mobile personal and individual bear type descending lifeline; From descending lifeline core is slow, falls principle and can be divided into: without the friction type descent control device of electricity operation with without the air damp type descending lifeline of electricity operation.Wherein, the high-rise emergency escape descending lifeline of mobile personal enjoys people's favor because of advantages such as it are simple in structure, volume is little, portable.
In prior art, this type of life-saving slow descending device is all comprised of rope, hook, housing, base plate and driving gear, centrifugal-block arrestment mechanism.Wherein, centrifugal-block arrestment mechanism is by the centrifugal-block that can do to be radially free to slide in centrifugal pan, centrifugal pan, and the damping wheel hub in centrifugal pan outside forms.When lifesaver declines, direct bearing rope is walked around driving gear and is made its rotation, increase along with lifesaver's decrease speed, centrifugal-block outward radial under the effect of centrifugal force moves, and producing frictional resistance with the damping wheel hub in centrifugal pan outside, this resistance also increases gradually, forces driving gear to slow down, to reduce lifesaver's decrease speed, guarantee that lifesaver preserves from when contacting to earth.Yet owing to lacking speed increasing mechanism, the centrifugal force that causes centrifugal-block to be subject to is large not, between centrifugal-block and the damping wheel hub in centrifugal pan outside, can not produce effective frictional resistance.Driving gear deceleration DeGrain, thus cause life-saving slow descending device to lose efficacy, to lifesaver, bring serious potential safety hazard.Although also there is the life-saving slow descending device with speed increasing mechanism on market, due to complex structure, with high costs, easily stuck.And after general descending lifeline assembling rope, then protecgulum is installed, and fix with rivet, cause after rope wear, be difficult to replace rope.
Therefore, on market in the urgent need to a kind of simple in structure, with low cost, high sensitivity, be not easy stuck, and can change at any time according to different story heights the life-saving slow descending device of the life line that adapts to lifesaving length.
Utility model content
In view of this, be necessary the problems referred to above, provide a kind of simple in structure, with low cost, highly sensitive, be not easy stuck high-sensitivity life-saving descent.
For achieving the above object, the utility model is by the following technical solutions:
A kind of high-sensitivity life-saving descent that can replace life line, the central shaft that the conductor rope lid that comprise brake hub, is connected with brake hub and two ends are connected with conductor rope lid with brake hub respectively, central axle sleeve is equipped with rotating centrifugal wheel and rotating rope sheave, centrifugal wheel offers plural fan groove, two above fan groove annulars are distributed in the face of cylinder of centrifugal wheel, in each fan groove, be provided with the fan-shaped damping block that can move radially, the right side of described centrifugal wheel is fixedly installed central gear; The left side of described rope sheave is fixedly installed internal gear; The face of cylinder of described conductor rope lid offers plural rope guiding hole; Described conductor rope lid is provided with fixed cap; In described brake hub, be fixedly installed planetary crust, this planetary crust inner side is provided with rotating planetary gear, and this planetary gear is connected with a joggle with central gear and internal gear simultaneously, and this planetary gear top is provided with gear fixed head.
Wherein, described planetary number is three, and three planetary gear annulars are distributed in the inner side of planetary crust.
Wherein, described center planetary gear is provided with copper sheathing.
Wherein, the place of being connected with a joggle of described planetary gear and central gear and planetary gear and internal gear is coated with lubricating grease.
Wherein, the lateral surface of described fan-shaped damping block is provided with damping fin.
Wherein, described internal gear and rope sheave are one-body molded.
Wherein, described conductor rope lid is provided with leading block group.
Wherein, described leading block group comprises three fixed pulleys, and these three fixed pulleys are triangularly arranged in fixed cap bottom.
A kind of high-sensitivity life-saving descent that can replace life line that the utility model provides, the central shaft that the conductor rope lid that comprise brake hub, is connected with brake hub and two ends are connected with conductor rope lid with brake hub respectively, central axle sleeve is equipped with rotating centrifugal wheel and rotating rope sheave, centrifugal wheel offers plural fan groove, two above fan groove annulars are distributed in the face of cylinder of centrifugal wheel, in each fan groove, be provided with the fan-shaped damping block that can move radially, the right side of described centrifugal wheel is fixedly installed central gear; The left side of described rope sheave is fixedly installed internal gear.
Before use, high-sensitivity life-saving descent described in the utility model is hung on fixture, after walking around rope sheave with rope, one end of rope is connected with escape personnel's safety belt with it, when escape personnel falls from eminence, rope drives rope sheave to rotate, after planetary gear and central gear and internal gear engaged transmission, the rotating speed of centrifugal wheel has improved five times, centrifugal wheel is when rotating, fan-shaped damping block strengthens greatly because centrifugal wheel rotates the centrifugal force producing, frictional force between fan-shaped damping block and brake hub also strengthens greatly, force centrifugal wheel to slow down, rope sheave also slows down thereupon, to reduce lifesaver's decrease speed, guarantee that lifesaver preserves from when contacting to earth.Owing to adopting fan-shaped damping block, during braking, the contact area between brake block and brake hub is larger, and frictional force is larger, and braking effect is better.The utility model has increased the speed booster driving mechanism of epicyclic train, adopts centrifugal force braking principle, the deceleration sensitivity that has greatly improved centrifugal wheel in described highly sensitive lifesaving descent control device, and safety coefficient is greatly improved; Owing to using gear transmission mode, avoided the generation of stuck phenomenon; Use installation planetary gear in planetary crust, mate gear fixed head, utilize axle to be fixed on planetary crust, it is more firmly connected with conductor rope lid, brake hub, changed the mode that planetary gear is screwed in brake hubs housing, avoid loosened screw and caused planetary gear to get loose, guaranteed the flexible rotating of planetary gear and central gear; Owing to having set up rope guiding hole and fixed cap, while making to assemble rope, at rope guiding hole, stir life line, make cable loop rope-winding wheel through after from leading block group, pass again, therefore make rope assembling faster, and can replace at any time life line, also can change the life line adapting to according to different story heights, practicality is stronger, is conducive to apply.
Accompanying drawing explanation
Fig. 1 is the real perspective view of the utility model.
Fig. 2 is the section perspective view in A-A cross section in this Fig. 1.
Fig. 3 is the section perspective view in B-B cross section in this Fig. 1.
Fig. 4 is the utility model stereochemical structure decomposition texture schematic diagram.
Cross-sectional view when Fig. 5 is the utility model wire rope handling rope.
In figure:
1 brake hub, 2 conductor rope lids, 3 central shafts,
21 rope guiding holes, 22 fixed caps, 23 leading block groups,
24 fixed pulleys, 4 centrifugal wheels, 41 fan grooves,
42 damping blocks, 43 damping blocks, 6 central gears,
5 rope sheaves, 51 internal gears, 7 planetary crusts,
71 planetary gears, 72 gear fixed heads, 73 copper sheathings.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is elaborated.
As shown in Figures 1 to 5, can replace the high-sensitivity life-saving descent of life line, 2 central shafts that are connected 3 are covered with brake hub 1 and conductor rope respectively in the conductor rope lid 2 that comprise brake hub 1, is connected with brake hub 1 and two ends, central shaft 3 is set with rotating centrifugal wheel 4 and rotating rope sheave 5, centrifugal wheel 4 offers plural fan groove 41, two above fan groove 41 annulars are distributed in the face of cylinder of centrifugal wheel 4, in each fan groove 41, be provided with the fan-shaped damping block 42 that can move radially, the right side of described centrifugal wheel 4 is fixedly installed central gear 6; The left side of described rope sheave 5 is fixedly installed internal gear 51; The face of cylinder of described conductor rope lid 2 offers plural rope guiding hole 21; Described conductor rope lid 2 is provided with fixed cap 22; In described brake hub 1, be fixedly installed planetary crust 7, the inner side of this planetary crust 7 is provided with rotating planetary gear 71, and this planetary gear 71 is connected with a joggle with central gear 6 and internal gear 51 simultaneously.
Concrete, the number of described planetary gear 71 is three, and center planetary gear is provided with the inner side that 73, three planetary gear 71 annulars of copper sheathing are distributed in planetary crust 7, and these planetary gear 71 tops are provided with gear fixed head 72.
During use, high-sensitivity life-saving descent described in the utility model is hung on fixture, after walking around rope sheave 5 with rope, one end of rope is connected with escape personnel's safety belt with it, when escape personnel falls from eminence, rope drives rope sheave 5 to rotate, after planetary gear 71 and central gear 6 and internal gear 51 engaged transmission, the rotating speed of centrifugal wheel 4 has improved five times, centrifugal wheel 4 is when rotating, fan-shaped damping block 42 strengthens greatly because centrifugal wheel 4 rotates the centrifugal force producing, frictional force between fan-shaped damping block 41 and brake hub 1 also strengthens greatly, force centrifugal wheel 4 to slow down, rope sheave 5 also slows down thereupon, to reduce lifesaver's decrease speed, guarantee that lifesaver preserves from when contacting to earth.Owing to adopting fan-shaped damping block 41, during braking, the contact area between brake block and brake hub 1 is larger, and frictional force is larger, and braking effect is better.The utility model has increased the speed booster driving mechanism of epicyclic train, adopts centrifugal force braking principle, the deceleration sensitivity that has greatly improved centrifugal wheel 4 in described highly sensitive lifesaving descent control device, and safety coefficient is greatly improved; Owing to using gear transmission mode, avoided the generation of stuck phenomenon; Use the interior installation planetary gear 71 of planetary crust 7, mate gear fixed head 72, utilize axle to be fixed on planetary crust 7, it is more firmly connected with conductor rope lid 2, brake hub 1, changed the mode that planetary gear 71 is screwed in brake hubs housing 1, avoid loosened screw and caused planetary gear 71 to get loose, guaranteed the flexible rotating of planetary gear 71 with central gear 6.
The described planetary gear 71 of the present embodiment is coated with lubricating grease with central gear 6 and planetary gear 71 with the place of being connected with a joggle of internal gear 51, strengthen the lubricated of planetary gear 71 and central gear 6 and planetary gear 71 and internal gear 51, wearing and tearing while reducing engaged transmission, extend service life of described high-sensitivity life-saving descent.
The described internal gear 51 of the present embodiment is one-body molded with rope sheave 5.Internal gear 51 and rope sheave 5 be one-body molded can reduce processing and the production cost of internal gear 51 and rope sheave 5 greatly, greatly reduces the production cost of described high-sensitivity life-saving descent.
The lateral surface of the described fan-shaped damping block 42 of the present embodiment is provided with damping fin 43, for increasing the coefficient of friction between fan-shaped damping block 42 and brake hub 1, frictional force while further increasing skidding, the deceleration sensitivity that improves described high-sensitivity life-saving descent, practicality is stronger.
The described conductor rope lid 2 of the present embodiment is provided with leading block group 23.Concrete, described leading block group 23 comprises three fixed pulleys 24, these three fixed pulleys 24 are triangularly arranged in fixed cap 22 bottoms.First rope is passed from leading block group 23, enter rope sheave 5, at rope guiding hole 21, stir life line, make cable loop rope-winding wheel through after from leading block group 23, pass again, on the one hand be conducive to increase the cornerite between rope and rope sheave 5, avoid, between rope and rope sheave 5, skidding occurs and cause the deceleration inefficacy of described high-sensitivity life-saving descent; On the other hand, prevent that rope and brake hub 1 or conductor rope from covering 2 contact frictions and damaging rope; Make rope assembling faster, and can replace at any time life line, also can change the life line adapting to according to different story heights.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. can replace the high-sensitivity life-saving descent of life line, the central shaft that the conductor rope lid that comprise brake hub, is connected with brake hub and two ends are connected with conductor rope lid with brake hub respectively, central axle sleeve is equipped with rotating centrifugal wheel and rotating rope sheave, centrifugal wheel offers plural fan groove, two above fan groove annulars are distributed in the face of cylinder of centrifugal wheel, in each fan groove, be provided with the fan-shaped damping block that can move radially, it is characterized in that: the right side of described centrifugal wheel is fixedly installed central gear; The left side of described rope sheave is fixedly installed internal gear; The face of cylinder of described conductor rope lid offers plural rope guiding hole; Described conductor rope lid is provided with fixed cap;
In described brake hub, be fixedly installed planetary crust, this planetary crust inner side is provided with rotating planetary gear, and this planetary gear is connected with a joggle with central gear and internal gear simultaneously, and this planetary gear top is provided with gear fixed head.
2. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: described planetary number is three, and three planetary gear annulars are distributed in the inner side of planetary crust.
3. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: described center planetary gear is provided with copper sheathing.
4. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: the place of being connected with a joggle of described planetary gear and central gear and planetary gear and internal gear is coated with lubricating grease.
5. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: the lateral surface of described fan-shaped damping block is provided with damping fin.
6. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: described internal gear and rope sheave are one-body molded.
7. the high-sensitivity life-saving descent that can replace life line according to claim 1, is characterized in that: described conductor rope lid is provided with leading block group.
8. the high-sensitivity life-saving descent that can replace life line according to claim 7, is characterized in that: described leading block group comprises three fixed pulleys, and these three fixed pulleys are triangularly arranged in fixed cap bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534022.7U CN203400422U (en) | 2013-08-29 | 2013-08-29 | High-sensitivity lifesaving descent control device allowing lifesaving rope to be capable of being replaced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534022.7U CN203400422U (en) | 2013-08-29 | 2013-08-29 | High-sensitivity lifesaving descent control device allowing lifesaving rope to be capable of being replaced |
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| CN203400422U true CN203400422U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320534022.7U Expired - Fee Related CN203400422U (en) | 2013-08-29 | 2013-08-29 | High-sensitivity lifesaving descent control device allowing lifesaving rope to be capable of being replaced |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104800982A (en) * | 2015-05-12 | 2015-07-29 | 上海海洋大学 | Self-speed-limiting rescuing rope |
| CN106215337A (en) * | 2016-07-23 | 2016-12-14 | 东莞市中机智能机器人有限公司 | High-rise building safety escape device |
| CN103920253B (en) * | 2014-03-24 | 2017-03-08 | 石家庄君安消防设备科技有限公司 | A kind of high building constant speed descending lifeline |
| CN108404306A (en) * | 2018-03-02 | 2018-08-17 | 台州市洛克赛工具有限公司 | A kind of intelligent escape knapsack |
| CN114100014A (en) * | 2021-12-07 | 2022-03-01 | 北华大学 | Four-claw centrifugal body rolling impact type descent control device damping device |
-
2013
- 2013-08-29 CN CN201320534022.7U patent/CN203400422U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920253B (en) * | 2014-03-24 | 2017-03-08 | 石家庄君安消防设备科技有限公司 | A kind of high building constant speed descending lifeline |
| CN104800982A (en) * | 2015-05-12 | 2015-07-29 | 上海海洋大学 | Self-speed-limiting rescuing rope |
| CN104800982B (en) * | 2015-05-12 | 2017-08-25 | 上海海洋大学 | It is a kind of from speed-limited life line |
| CN106215337A (en) * | 2016-07-23 | 2016-12-14 | 东莞市中机智能机器人有限公司 | High-rise building safety escape device |
| CN108404306A (en) * | 2018-03-02 | 2018-08-17 | 台州市洛克赛工具有限公司 | A kind of intelligent escape knapsack |
| CN114100014A (en) * | 2021-12-07 | 2022-03-01 | 北华大学 | Four-claw centrifugal body rolling impact type descent control device damping device |
| CN114100014B (en) * | 2021-12-07 | 2023-03-10 | 北华大学 | Four-jaw centrifugal body rolling impact type descent control device damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190417 Address after: 523000 Shop A-27(2) of Runmin Market Area A, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: DONGGUAN ZHONGWEIXIN TECHNOLOGY Co.,Ltd. Address before: 523000 No. 2, No. 1 Lane, Heng Sanjie, Liyuan, Cutou, Dongguan City, Guangdong Province Patentee before: Li Bingli |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20210829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |