CN201248972Y - Reciprocating descent rescue device - Google Patents
Reciprocating descent rescue device Download PDFInfo
- Publication number
- CN201248972Y CN201248972Y CNU2008201213734U CN200820121373U CN201248972Y CN 201248972 Y CN201248972 Y CN 201248972Y CN U2008201213734 U CNU2008201213734 U CN U2008201213734U CN 200820121373 U CN200820121373 U CN 200820121373U CN 201248972 Y CN201248972 Y CN 201248972Y
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- Prior art keywords
- reel
- transmission shaft
- polygon
- groove
- power transmission
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- Expired - Fee Related
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Abstract
The utility model discloses a reciprocating descent rescue device which comprises a left shell, a right shell, a drum and a transmission mechanism coaxially connected with the drum. The drum is provided with a winding groove which is winded by a steel rope, and both ends of the steel rope extend outsides the shells and are respectively provided with a fast safety cingulum; the transmission mechanism comprises a step-like transmission shaft, a transmission disc, a polygonal cam disc and a bidirectional friction wheel device, an eccentric wheel structure is arranged at the middle part of the transmission shaft, the drum is connected with the transmission shaft near the eccentric wheel part through a bearing, the transmission disc is arranged on the eccentric wheel of the transmission shaft, and the polygonal cam disc is arranged clinging to the transmission disc. The utility model overcomes the defect of the prior descent rescue device working with one-way rotation, the both ends of the steel rope are respectively provided with the fast safety cingulum, a friction wheel reduction device arranged can fulfill the functions of slow descent and reduction to both positive rotation and reverse rotation, and the whole device has the advantages of small volume, convenient use and high use efficiency.
Description
Technical field
The utility model relates to a kind of life-saving slow descending apparatus, particularly a kind of reciprocating type lifesaving descent control device that can supply many people to recycle.
Background technology
For in emergency circumstances make the personnel's safe escape rapidly in the skyscraper in breaking out of fire etc., people have designed multiple lifesaving appliance, its structure is general all to be made up of shell, reel, the transmission mechanism that links to each other with reel and cable wire several parts such as (or ropes) that can be wound on the reel, in order to reach the controlled purpose of decrease speed, the transmission mechanism of general reel is provided with friction pulley and brake block simultaneously.But present brucker survival capsule all only is equipped with quick cingulum at an end of cable wire, and the retarding braking of friction pulley and brake block is also only imitated an adnation, causes brucker survival capsule consumed time in the repeated use process very long, and service efficiency is low.In the middle of actual life is used, brucker survival capsule generally arrives behind the ground by upstairs people with the user and regains again and newly could use the cable wire rollback to reel, time-consuming and the effort of this process, this is a kind of fatal defective for the situation that many seconds in the fire, existence was wished with regard to bull point.
The utility model content
The purpose of this utility model is to provide a kind of reciprocating type lifesaving descent control device, it is provided with at the cable wire two ends and fast and safely insures cingulum, the automated friction wheel deceleration device that is provided with simultaneously aligns reverse turn and can both play slow effect of falling deceleration, and whole device has the advantages that design is light and handy, easy to use and efficient is high.
For achieving the above object, the utility model is by the following technical solutions:
A kind of reciprocating type lifesaving descent control device, whole device includes left and right housing, reel reaches with the coaxial transmission mechanism that links to each other of reel to be formed, be provided with one on the described reel and twine groove, twine the cable wire of reeling on the groove, it is characterized in that: described cable wire two is stretched out housing and all is provided with one and fast and safely insures cingulum; Described transmission mechanism comprises a stairstepping power transmission shaft, drive plate, polygon cam disc and a two-way friction pulley device, and wherein the power transmission shaft two ends are positioned on the left and right housing, and the position, intermediate portion is provided with an eccentric wheel structure; Described reel is connected with power transmission shaft near the eccentric wheel position by a bearing, and reel is provided with the rectangular recess of relative axle center symmetry in the eccentric wheel side; Described drive plate is arranged on the eccentric wheel of power transmission shaft, drive plate one side be provided with that width matches with the reel rectangular recess but length less than the square protrusion of rectangular recess, opposite side is provided with the square chute perpendicular with square protrusion; Described polygon cam disc is near the drive plate setting, the one side is provided with bumping square and cooperates with the square chute of drive plate, simultaneously its polygon external cam matches with the polygon groove that is arranged on the right shell body inboard, and the limit number of polygon groove is Duoed a limit than the limit number of polygon cam disc.
Above-mentioned polygon cam disc is the pentagon cam disc, and the polygon groove of right shell body inboard is the hexagon groove.
Above-mentioned bi-directional friction wheel apparatus comprises a frictional disk and several friction plates, wherein frictional disk is fixedlyed connected with power transmission shaft, the diameter of frictional disk is slightly less than the circular trough that is provided with on the left shell inboard, frictional disk is divided into several zones near the left shell side by the rib that relative axle center distributes radially simultaneously, one fan-shaped friction plate all is set in each zone, the bottom of friction plate is provided with a plurality of pits, and each pit all cooperates with a guiding projection on the friction pulley; The relative axle center of described guiding projection distributes radially, and its height radially increases gradually along frictional disk.
Above-mentioned frictional disk is divided into four zones by rib.
Above-mentioned cable wire stretches out the housing position and is provided with two little one totally three guide rollers greatly.
Be provided with the rib that increases frictional force in the winding groove of above-mentioned reel.
It is several times of the own rotating speed of reel that the mutual transformation of the utility model reel by the eccentric wheel on the power transmission shaft, drive plate, polygon cam disc and right shell body inner polygon groove makes the rotating speed of power transmission shaft, and its multiple is the limit number of polygon cam disc.The operation principle of the utility model bi-directional friction wheel apparatus realizes that by rotary centrifugal force it all can realize reduction of speed no matter the frictional disk thataway rotates.In use, when frictional disk rotates synchronously with power transmission shaft, each friction plate on its side will be thrown out of along guiding projection because of action of centrifugal force, simultaneously because of guiding projection height radially increasing gradually along frictional disk, make friction plate sliding friction all can take place to touch mutually and produce with the circular trough bottom surface and the side of left shell, and the frictional force of this sliding friction increases with the increase of centrifugal force, being frictional force increases with the increase of frictional disk rotating speed, this frictional force is restricting power transmission shaft and is remaining at running under certain rotating speed, at this, because of the rotating speed of power transmission shaft several times of reel, the rotating speed of reel will be limited in the very little scope, satisfy the needs that slowly reduce in the reality thereby arrive, it is reliable that whole life-saving slow descending apparatus has reduction of speed, stable characteristics can not produce sometimes fast and sometimes slow phenomenon.
The novel cable wire two of this use is provided with quick cingulum, in use, the life-saving slow descending apparatus does not go down with the people, it directly is positioned on the building by hook, first user at first makes cable wire untie down ground gradually by the cingulum fast and safely of an end, second user need not to regain earlier the cable wire that launches then, quick cingulum that can the direct sharp cable wire other end, the counter-rotating of life-saving slow descending apparatus reel can be used again, can bring back to the life-saving slow descending apparatus to the cable wire that first user launches with quick cingulum in its decline sentences for next use, by that analogy, reciprocal many people that can realize the life-saving slow descending apparatus use, improved service efficiency greatly, for the survivor has won valuable time.At this,, in the winding groove of reel, be provided with the rib that increases frictional force for avoiding between cable wire and reel skidding taking place.
Description of drawings
Fig. 1, stereochemical structure decomposing schematic representation one of the present utility model;
Fig. 2, stereochemical structure decomposing schematic representation two of the present utility model;
The perspective view of Fig. 3, the utility model power transmission shaft;
The specific embodiment
As illustrated in fig. 1 and 2, a kind of reciprocating type lifesaving descent control device, whole device include left shell 11 and right shell body 12, and reel 2 reaches with the coaxial transmission mechanism that links to each other of reel to be formed.Be provided with one on the described reel 2 and twine groove 21, twine coiling cable wire 22 on the groove 21, cable wire 22 two are stretched out housing and are provided with quick insurance cingulum 221, and cable wire 22 stretches out the housing position and is provided with two little by 31,32 1 big 33 totally three guide rollers.At this, skidding takes place for avoiding cable wire 22 and reel 2, in the winding groove 21 of reel, be provided with the rib 211 that increases frictional force.
Transmission mechanism comprises a stairstepping power transmission shaft 41, drive plate 42, polygon cam disc 43 and a two-way friction pulley device 44.Wherein power transmission shaft 41 is a stairstepping axle, and as shown in Figure 3, its two ends are positioned on the left and right housing 11,12, and the position, intermediate portion is provided with an eccentric wheel structure 411.Described reel 2 is connected with power transmission shaft 41 near eccentric wheel 411 positions by a bearing 23, and reel 2 is provided with the rectangular recess 24 of relative axle center symmetry in the eccentric wheel side.Described drive plate 42 is arranged on the eccentric wheel 411 of power transmission shaft, drive plate 42 1 sides be provided with that width matches with reel rectangular recess 24 but length less than the square protrusion 421 of rectangular recess 24, opposite side is provided with the square chute 422 perpendicular with square protrusion 421.Described polygon cam disc 43 is provided with near drive plate 42, the one side is provided with bumping square 431 and cooperates with the square chute 422 of drive plate, its polygon external cam 432 matches with the polygon groove 121 that is arranged on right shell body 12 inboards simultaneously, the limit number of polygon groove 121 is Duoed a limit than the limit number of polygon cam disc 43, in the present embodiment, polygon cam disc 43 is the pentagon cam disc, and the polygon groove 121 of right shell body inboard is the hexagon groove.
Bi-directional friction wheel apparatus 44 comprises a frictional disk 441 and several friction plates 442, wherein frictional disk 441 is fixedlyed connected with power transmission shaft 41, the diameter of frictional disk 441 is slightly less than the left shell 11 inboard circular troughs 111 that are provided with of going up, frictional disk 441 is divided into several zones 4412 near left shell 11 sides by the rib 4411 that relative axle center distributes radially simultaneously, be divided into four zones in the present embodiment, one fan-shaped friction plate 442 all is set in each zone, the bottom of friction plate is provided with a plurality of pits 4421, and each pit 4421 all cooperates with a guiding projection 4413 on the friction pulley.Described guiding projection 4413 relative axle center distribute radially, and its height radially increases gradually along frictional disk 441.
It is several times of reel 2 own rotating speeds that the mutual transformation of the utility model reel 2 by the eccentric wheel on the power transmission shaft 41 411, drive plate 42, polygon cam disc 43 and right shell body inner polygon groove 121 makes the rotating speed of power transmission shaft 41, and its multiple is the limit number of polygon cam disc 43.The operation principle of the utility model bi-directional friction wheel apparatus 44 realizes that by rotary centrifugal force it all can realize reduction of speed no matter frictional disk 441 thataways rotate.In use, when frictional disk 441 rotates synchronously with power transmission shaft 41, each friction plate 442 on its side will be thrown out of along guiding projection 4413 because of action of centrifugal force, simultaneously because of guiding projection 4413 height radially increasing gradually along frictional disk 441, make friction plate 442 sliding friction all can take place to touch mutually and produce with circular trough 111 bottom surfaces and the side of left shell, and the frictional force of this sliding friction increases with the increase of centrifugal force, being frictional force increases with the increase of frictional disk 441 rotating speeds, this frictional force is restricting power transmission shaft 41 and is remaining at running under certain rotating speed, at this, make several times of reel 2 because of the rotating speed of power transmission shaft 41, the rotating speed of reel 2 will be limited in the very little scope, satisfy the needs that slowly reduce in the reality thereby arrive, it is reliable that whole lifesaving appliance has reduction of speed, stablize characteristics, can not produce sometimes fast and sometimes slow phenomenon.
The purpose of this utility model is to provide a kind of reciprocating type lifesaving descent control device, it is provided with quick cingulum at the cable wire two ends, the friction pulley deceleration device of She Zhiing aligns reverse turn and can both play slow effect of falling deceleration simultaneously, and whole device has the problem that volume is little, easy to use, service efficiency is high.
Claims (6)
1, a kind of reciprocating type lifesaving descent control device, whole device includes left and right housing, reel reaches with the coaxial transmission mechanism that links to each other of reel to be formed, be provided with one on the described reel and twine groove, twine the cable wire of reeling on the groove, it is characterized in that: described cable wire two is stretched out housing and all is provided with one and fast and safely insures cingulum; Described transmission mechanism comprises a stairstepping power transmission shaft, drive plate, polygon cam disc and a two-way friction pulley device, and wherein the power transmission shaft two ends are positioned on the left and right housing, and the position, intermediate portion is provided with an eccentric wheel structure; Described reel is connected with power transmission shaft near the eccentric wheel position by a bearing, and reel is provided with the rectangular recess of relative axle center symmetry in the eccentric wheel side; Described drive plate is arranged on the eccentric wheel of power transmission shaft, drive plate one side be provided with that width matches with the reel rectangular recess but length less than the square protrusion of rectangular recess, opposite side is provided with the square chute perpendicular with square protrusion; Described polygon cam disc is near the drive plate setting, the one side is provided with bumping square and cooperates with the square chute of drive plate, simultaneously its polygon external cam matches with the polygon groove that is arranged on the right shell body inboard, and the limit number of polygon groove is Duoed a limit than the limit number of polygon cam disc.
2, a kind of reciprocating type lifesaving descent control device as claimed in claim 1, it is characterized in that: described polygon cam disc is the pentagon cam disc, the polygon groove of right shell body inboard is the hexagon groove.
3, a kind of reciprocating type lifesaving descent control device as claimed in claim 1, it is characterized in that: described bi-directional friction wheel apparatus comprises a frictional disk and several friction plates, wherein frictional disk is fixedlyed connected with power transmission shaft, the diameter of frictional disk is slightly less than the circular trough that is provided with on the left shell inboard, frictional disk is divided into several zones near the left shell side by the rib that relative axle center distributes radially simultaneously, one fan-shaped friction plate all is set in each zone, the bottom of friction plate is provided with a plurality of pits, and each pit all cooperates with a guiding projection on the friction pulley; The relative axle center of described guiding projection distributes radially, and its height radially increases gradually along frictional disk.
4, a kind of reciprocating type lifesaving descent control device as claimed in claim 3, it is characterized in that: described frictional disk is divided into four zones by rib.
5, a kind of reciprocating type lifesaving descent control device as claimed in claim 1 is characterized in that: described cable wire stretches out the housing position and is provided with two little one totally three guide rollers greatly.
6, a kind of reciprocating type lifesaving descent control device as claimed in claim 1 is characterized in that: be provided with the rib that increases frictional force in the winding groove of described reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201213734U CN201248972Y (en) | 2008-07-16 | 2008-07-16 | Reciprocating descent rescue device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201213734U CN201248972Y (en) | 2008-07-16 | 2008-07-16 | Reciprocating descent rescue device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248972Y true CN201248972Y (en) | 2009-06-03 |
Family
ID=40744646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201213734U Expired - Fee Related CN201248972Y (en) | 2008-07-16 | 2008-07-16 | Reciprocating descent rescue device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248972Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644725A (en) * | 2012-05-09 | 2012-08-22 | 徐州天擎机电有限公司 | Differential mechanism box of electric tricycle |
| WO2016127946A1 (en) * | 2015-02-13 | 2016-08-18 | MSA (Suzhou) Safety Equipment R&D Co., Ltd. | Speed reducer arrangement for a line retraction device |
| CN109568823A (en) * | 2018-10-30 | 2019-04-05 | 南安市兴天工业设计有限公司 | A kind of buffer-type anti-falling safety device |
-
2008
- 2008-07-16 CN CNU2008201213734U patent/CN201248972Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644725A (en) * | 2012-05-09 | 2012-08-22 | 徐州天擎机电有限公司 | Differential mechanism box of electric tricycle |
| CN102644725B (en) * | 2012-05-09 | 2015-02-25 | 徐州天擎机电有限公司 | Differential mechanism box of electric tricycle |
| WO2016127946A1 (en) * | 2015-02-13 | 2016-08-18 | MSA (Suzhou) Safety Equipment R&D Co., Ltd. | Speed reducer arrangement for a line retraction device |
| US10357670B2 (en) | 2015-02-13 | 2019-07-23 | MSA (Suzhou) Safety Equipment R&D Co., Ltd. | Speed reducer arrangement for a line retraction device |
| CN109568823A (en) * | 2018-10-30 | 2019-04-05 | 南安市兴天工业设计有限公司 | A kind of buffer-type anti-falling safety device |
| CN109568823B (en) * | 2018-10-30 | 2021-03-02 | 广东欲丰电器制造有限公司 | Buffering formula prevents weighing down breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20100716 |