CN203220693U - Rescue descent control device - Google Patents
Rescue descent control device Download PDFInfo
- Publication number
- CN203220693U CN203220693U CN 201320258816 CN201320258816U CN203220693U CN 203220693 U CN203220693 U CN 203220693U CN 201320258816 CN201320258816 CN 201320258816 CN 201320258816 U CN201320258816 U CN 201320258816U CN 203220693 U CN203220693 U CN 203220693U
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- Prior art keywords
- brake pad
- central shaft
- gear
- casing
- central
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Abstract
The utility model discloses a rescue descent control device. A left casing and a right casing are combined to form a casing, a central shaft is positioned in an inner cavity of the casing, the two ends of the central shaft are respectively supported on the left casing and the right casing in a rotating mode, a turning wheel is fixed on the left side of the central shaft, a central gear is fixed on the right side of the central shaft, a rope winding wheel is arranged between the turning wheel and the central gear and is sleeved on the central shaft in a rotating mode, a planet gear shaft is fixed on the right side of the rope winding wheel, a planet gear is sleeved on the planet gear shaft in a rotating mode, an inner gear is fixed on the inner circumference surface of the right side of the inner cavity of the casing, the planet gear is simultaneously meshed with the inner gear and the central gear, a friction block groove is formed in one side of the turning wheel, a friction block is positioned in the friction block groove, the inner circumference surface of the left side of the inner cavity of the casing can serve as a friction face, and an outer arc face of the friction block corresponds to the friction face. The gravity center of the descent control device is prevented from inclining to one side. Furthermore, the rescue descent control device is high in reliability, compact in structure and good in safety. Especially, the phenolic aldehyde cotton cloth friction block resists to high temperature and abrasion so as to avoid high-temperature pastiness.
Description
Technical field
The utility model relates to a kind of descending lifeline, relates in particular to a kind of lifesaving descent control device.
Background technology
The structure of lifesaving descent control device is more at present, but the ubiquity complex structure, parts wear and tear easily, and reliability is relatively poor.The brake pad of lifesaving descent control device generally adopts and strengthens the nylon brake pad at present, and it is high temperature resistant relatively poor to strengthen the nylon brake pad, is clamminess easily.
Summary of the invention
The technical problems to be solved in the utility model: provide a kind of reliability high lifesaving descent control device.
Technical solution of the present utility model is: a kind of lifesaving descent control device, comprise left shell and right shell body, the involutory fixedly formation of left shell and right shell body housing, enclosure interior forms the housing inner chamber, case top is provided with hanger, housing bottom is provided with rope hole, the housing inner chamber is provided with central shaft, central shaft two ends difference rotational support is on left shell and right shell body, fixedly there is runner in the left side of central shaft, fixedly there is central gear on the right side of central shaft, rope-winding wheel between runner and central gear and turning set be loaded on the central shaft, fixedly there is planet pin on the rope-winding wheel right side, the planetary gear turning set is loaded on the planet pin, the right side inner peripheral surface of housing inner chamber fixedly has internal gear, planetary gear meshes with internal gear and central gear simultaneously, and runner one side is provided with the brake pad groove, and the brake pad groove is equipped with brake pad, the left side inner peripheral surface of housing inner chamber is rubbing surface, and the exterior arc surface of brake pad is corresponding with described rubbing surface.
Above-mentioned planet pin is 3 planet pins, and 3 planet pins distribute around radians such as central shafts.
Above-mentioned brake pad groove is 4 brake pad grooves, and 4 brake pad grooves distribute around radians such as central shafts, and each brake pad groove is equipped with 1 brake pad.
Above-mentioned brake pad is phenolic aldehyde cotton brake pad.
Technique effect of the present utility model is: the utility model rope-winding wheel is positioned in the middle of the central shaft, the left side is provided with rubbing device, the right side is provided with gear, make the wiring center of gravity of load-bearing be positioned at the centre of central shaft, can not make descending lifeline center of gravity occur partially in the situation of a side, can not make parts the eccentric wear phenomenon occur, the reliability height yet.The utility model gear adopts internal gear to fix, the epicyclic transmission that planetary gear revolves round the sun around central shaft, and compact conformation, the gear ratio height, to slow reduction of speed degree sensitivity, security is good.Especially the utility model brake pad adopts phenolic aldehyde cotton brake pad, and high temperature resistance is wear-resisting, the high temperature phenomenon that is clamminess can not occur, and it is better that security and reliability strengthen the nylon brake pad.
Description of drawings
1, Fig. 1 is the utility model structural representation.
2, Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
3, Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Among the figure, 1 left shell, 2, right shell body, 3, internal gear, 4, the wiring race, 5, central shaft, 6, planetary gear, 7, central gear, 8, planet pin, 9, runner, 10, brake pad, 11, rope-winding wheel, 12, hanger, 13, the housing inner chamber, 14, the brake pad groove, 15, rubbing surface, 16, rope hole.
The specific embodiment
As shown in Figures 1 to 3, a kind of lifesaving descent control device of the utility model comprises left shell 1 and right shell body 2, and left shell 1 and right shell body 2 are involutory by the fixing housing that forms of screw, enclosure interior formation housing inner chamber 13, and case top is provided with hanger 12, and hanger 12 is provided with through hole.Housing bottom is provided with two rope holes 16, housing inner chamber 13 is provided with central shaft 5, central shaft 5 two ends difference rotational support is on left shell 1 and right shell body 2, fixedly there is runner 9 in the left side of central shaft 5, fixedly there is central gear 7 on the right side of central shaft 5, rope-winding wheel 11 between runner 9 and central gear 7 and turning set be loaded on the central shaft 5, fixedly there is planet pin 8 on rope-winding wheel 11 right sides, planetary gear 6 turning sets are loaded on the planet pin 8, the right side inner peripheral surface of housing inner chamber 13 fixedly has internal gear 3, planetary gear 6 meshes with internal gear 3 and central gear 7 simultaneously, the side of runner 9 is provided with brake pad groove 14, brake pad groove 14 is equipped with brake pad 10, and the left side inner peripheral surface of housing inner chamber 13 is rubbing surface 15, and the exterior arc surface of brake pad 10 is corresponding with rubbing surface 15.Present embodiment brake pad groove 14 is 4 fan-shaped brake pad grooves, and 4 brake pad grooves distribute around central shaft 5 radians such as grade, and each brake pad groove is equipped with 1 brake pad, and brake pad also is fan-shaped brake pad, and fan-shaped brake pad and fan-shaped brake pad groove are suitable.Described brake pad is phenolic aldehyde cotton brake pad.Present embodiment planet pin 8 is 3 planet pins, and 3 planet pins distribute around central shaft 5 radians such as grade, and every planet pin is equipped with 1 planetary gear 6.
The course of work of the present utility model: lifting rope is surrounded on wiring race 4 backs and draws by two rope holes 16, when lifting rope one end is mobile with the human body tenesmus, lifting rope drives rope-winding wheel 11 and is rotated, the planet pin 8 that is fixed on this moment on the rope-winding wheel 11 revolves round the sun around central shaft 5, because planetary gear 6 meshes with internal gear 3 and central gear 7 simultaneously, internal gear 3 is fixed on the housing again, cause planet pin 8 to drive central gear 7 rotations, central gear 7 drives runner 9 by central shaft 5 and rotates, the brake pad 10 that is positioned on the brake pad groove 14 moves and contact friction to rubbing surface 15 under action of centrifugal force, under the interaction of rubbing surface 15 and brake pad 10, stop the further quickening rotation of rope-winding wheel 11 and keep certain rotating speed.
The unspecified content of the utility model is prior art, and those skilled in the art can obtain to inspire from present embodiment and prior art, is out of shape to obtain other embodiment.Therefore, protection domain of the present utility model should be determined according to the protection domain of claim.
Claims (4)
1. lifesaving descent control device, comprise left shell (1) and right shell body (2), left shell (1) and the involutory fixedly formation of right shell body (2) housing, enclosure interior forms housing inner chamber (13), case top is provided with hanger (12), housing bottom is provided with rope hole (16), housing inner chamber (13) is provided with central shaft (5), central shaft (5) two ends difference rotational support is on left shell (1) and right shell body (2), it is characterized in that: fixedly there is runner (9) in the left side of central shaft (5), fixedly there is central gear (7) on the right side of central shaft (5), rope-winding wheel (11) is positioned between runner (9) and the central gear (7) and turning set is loaded on the central shaft (5), fixedly there is planet pin (8) on rope-winding wheel (11) right side, planetary gear (6) turning set is loaded on the planet pin (8), the right side inner peripheral surface of housing inner chamber (13) fixedly has internal gear (3), planetary gear (6) meshes with internal gear (3) and central gear (7) simultaneously, runner (9) one sides are provided with brake pad groove (14), brake pad groove (14) is equipped with brake pad (10), the left side inner peripheral surface of housing inner chamber (13) is rubbing surface (15), and the exterior arc surface of brake pad (10) is corresponding with described rubbing surface (15).
2. according to the described a kind of lifesaving descent control device of claim 1, it is characterized in that: described planet pin (8) is 3 planet pins, and 3 planet pins distribute around central shaft radians such as (5).
3. according to claim 1 or 2 described a kind of lifesaving descent control devices, it is characterized in that: described brake pad groove (14) is 4 brake pad grooves, and 4 brake pad grooves distribute around central shaft radians such as (5), and each brake pad groove is equipped with 1 brake pad.
4. according to the described a kind of lifesaving descent control device of claim 3, it is characterized in that: described brake pad is phenolic aldehyde cotton brake pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320258816 CN203220693U (en) | 2013-05-01 | 2013-05-01 | Rescue descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320258816 CN203220693U (en) | 2013-05-01 | 2013-05-01 | Rescue descent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203220693U true CN203220693U (en) | 2013-10-02 |
Family
ID=49247711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320258816 Expired - Fee Related CN203220693U (en) | 2013-05-01 | 2013-05-01 | Rescue descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203220693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103877680A (en) * | 2014-03-03 | 2014-06-25 | 青岛亿和海丽安防科技有限公司 | Recyclable escape descent control device for tall building |
| CN106730438A (en) * | 2016-12-15 | 2017-05-31 | 山东永吉安消防科技有限公司 | Lifesaving device and its application method |
-
2013
- 2013-05-01 CN CN 201320258816 patent/CN203220693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103877680A (en) * | 2014-03-03 | 2014-06-25 | 青岛亿和海丽安防科技有限公司 | Recyclable escape descent control device for tall building |
| CN106730438A (en) * | 2016-12-15 | 2017-05-31 | 山东永吉安消防科技有限公司 | Lifesaving device and its application method |
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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: 20131002 Termination date: 20150501 |
|
| EXPY | Termination of patent right or utility model |