CN204121629U - A kind of descending lifeline - Google Patents
A kind of descending lifeline Download PDFInfo
- Publication number
- CN204121629U CN204121629U CN201420577644.2U CN201420577644U CN204121629U CN 204121629 U CN204121629 U CN 204121629U CN 201420577644 U CN201420577644 U CN 201420577644U CN 204121629 U CN204121629 U CN 204121629U
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- CN
- China
- Prior art keywords
- wheel
- gear
- fan
- protecgulum
- retaining segment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Emergency Lowering Means (AREA)
Abstract
The utility model relates to a kind of descending lifeline, comprise protecgulum, bonnet and central shaft, it is characterized in that: also include gear wheel, gear wheel comprises gear segment and retaining segment, central shaft is arranged with center wheel disc by bonnet successively to protecgulum direction, central gear and braked wheel, central gear has also been connected with a joggle two pinions, and two pinions engage with the gear segment of gear wheel respectively, braked wheel is provided with breaker slot, fan-shaped brake block is slidably connected in each breaker slot, fan-shaped brake block setting corresponding with retaining segment, this friction plate towards the end face of retaining segment and retaining segment suitable, the utility model is: after central gear and pinion engaged transmission, improve the rotating speed of braked wheel, throw away centrifugal for fan-shaped brake block, add the braking effect of the retaining segment at fan-shaped brake block and gear wheel place, directly the retaining segment of fan-shaped braking parts and gear wheel is achieved to brake and process, thus achieve transmission and the structure of braking on same parts, enhance braking effect.
Description
Technical field
The utility model relates to lifesaving appliance technical field, especially a kind of descending lifeline.
Background technology
Descending lifeline forms by linking up with (or suspension ring), suspender belt, rope and speeds control etc., be one can make people along (with) safe rescue equipment of the slow decline of rope (band).Its available dedicated mounted apparatus is arranged on the places such as building window, balcony or building flat, also can be arranged on elevating fire truck, succours the personnel that suffer a calamity or disaster be on the high-rise scene of a fire.
And existing descending lifeline, the central shaft that the protecgulum comprise brake hub, being connected with brake hub and two ends are connected with brake hub and protecgulum respectively, central axle sleeve is equipped with rotating centrifugal wheel and rotating rope sheave, centrifugal wheel offers plural fan groove, two or more fan groove annular is distributed in the face of cylinder of centrifugal wheel, be provided with the fan-shaped damping fin that can move radially in each fan groove, the right side of centrifugal wheel is fixedly installed centre wheel; The left side of described rope sheave is fixedly installed internal gear; Brake hub internal fixtion is provided with planet carrier, and the inner side of this planet carrier is provided with rotating planetary gear, and this planetary gear is connected with a joggle with centre wheel and internal gear simultaneously, and the lateral surface of fan-shaped damping fin is provided with friction plate; When escape personnel falls from eminence, cable tie running rope wheel rotates, after planetary gear and centre wheel and internal gear engaged transmission, the rotating speed of centrifugal wheel improves five times, and centrifugal wheel is when rotating, fan-shaped damping fin strengthens greatly because centrifugal wheel rotates the centrifugal force produced, frictional force between fan-shaped damping fin and brake hub also strengthens greatly, and force centrifugal wheel to slow down, rope sheave also slows down thereupon, to reduce the decrease speed of lifesaver, guarantee that lifesaver preserves from when contacting to earth;
And this structure is in moderating process, fan-shaped damping fin achieves with brake hub to slow down to process, and brake place is different from the position of transmission place, and cause this descending lifeline in moderating process, slowing effect is not good, and complicated structure, manufacturing cost is higher; And fan-shaped damping fin directly realizes slowing down with the brake hub sliding friction of serving as shell, very easily causes wearing and tearing to brake hub, reduces the service life of brake hub, thus reduce the service life of descending lifeline.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of braking effect is better, framework simple, manufacturing cost is lower and the descending lifeline that service life is longer.
The technical solution of the utility model is achieved in that a kind of descending lifeline, comprise protecgulum, the central shaft that the bonnet be connected with protecgulum and two ends are rotationally connected with protecgulum and bonnet respectively, it is characterized in that: also include gear wheel, this gear wheel comprises gear segment and retaining segment, described central shaft is arranged with center wheel disc by bonnet successively to protecgulum direction, central gear and braked wheel, described central gear has also been connected with a joggle two pinions, and two pinions engage with the gear segment of gear wheel respectively, described braked wheel is provided with more than three breaker slots, the opening of this breaker slot is increased to the end wall direction of braked wheel successively by the center of braked wheel, fan-shaped brake block is slidably connected in each breaker slot, and fan-shaped brake block setting corresponding with retaining segment, and fan-shaped brake block is provided with mounting groove on an end face of retaining segment, friction plate is provided with in this mounting groove, this friction plate towards the end face of retaining segment and retaining segment suitable.
By adopting technique scheme; utilize central shaft to drive braked wheel to rotate to throw away centrifugal for fan-shaped brake block; considerably increase the braking effect of the retaining segment at fan-shaped brake block and gear wheel place; and directly the retaining segment of fan-shaped braking parts and gear wheel is achieved to brake and process; thus achieve transmission and the structure of braking on same parts; greatly strengthen braking effect; and structure is simple; thus reduce production cost; avoid protecgulum and serve as brake component; protect the service life of protecgulum, thus ensure that the service life of descending lifeline.
The utility model is set to further: described protecgulum and the junction of bonnet are rotatably connected to three guide wheels, form rope entrance between adjacent guide wheel.
Be preferably, described braked wheel comprises braked wheel body, and the outer circumference surface of this braked wheel body is equidistantly provided with three breaker slots, this breaker slot comprises bottom surface and two sides, and the junction of each side and bottom surface is led fillet and arranged.
By adopting technique scheme; the rope entrance that three guide wheels are formed, effectively plays guide effect to the motion of rope, and prevents rope and protecgulum and bonnet friction from the situation of component wear is occurred; protect the service life of protecgulum and bonnet, thus ensure that the service life of descending lifeline.
The utility model is also set to further: described center wheel disc comprises center wheel disc body, the side of this center wheel disc body is provided with rope standing groove, the end face of the opposite side of center wheel disc body is provided with two holddown grooves, joint pin is provided with in each holddown groove, joint pin is fixed in this holddown groove by backstay, and each pinion is rotationally connected with on joint pin respectively.
By adopting technique scheme, the pinion syndeton of this structure, make inner structure compacter, layout is more reasonable, and pinion follows center wheel disc to rotate, and runs, ensure that the stability of transmission under making pinion and central gear be positioned at same plane and same environment, operation for rope provides good environment, and topology layout is more reasonable.
Accompanying drawing explanation
Fig. 1 is the utility model detailed description of the invention structural representation;
Fig. 2 is that the utility model detailed description of the invention removes front-cover structure schematic diagram;
Fig. 3 is the utility model detailed description of the invention structure cross-sectional schematic;
Fig. 4 is the structural representation of braked wheel in the utility model detailed description of the invention;
Fig. 5 is the structural representation of center wheel disc in the utility model detailed description of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As Figure 1-Figure 5, the utility model discloses a kind of descending lifeline, comprise protecgulum 1, the central shaft 8 that the bonnet 2 be connected with protecgulum 1 and two ends are rotationally connected with protecgulum 1 and bonnet 2 respectively, in the utility model specific embodiment, also include gear wheel 11, this gear wheel 11 comprises gear segment 112 and retaining segment 111, described central shaft 8 is arranged with center wheel disc 12 by bonnet successively to protecgulum direction, central gear 9 and braked wheel 5, described central gear 9 has also been connected with a joggle two pinions 10, and two pinions 10 engage with the gear segment 112 of gear wheel respectively, described braked wheel 5 is provided with more than three breaker slots 52, the opening of this breaker slot 52 is increased to the end wall direction of braked wheel successively by the center of braked wheel 5, fan-shaped brake block 6 is slidably connected in each breaker slot 52, and fan-shaped brake block 6 setting corresponding with retaining segment 111, and fan-shaped brake block 6 is provided with mounting groove on an end face of retaining segment, friction plate 7 is provided with in this mounting groove, this friction plate 7 towards the end face of retaining segment 111 and retaining segment suitable.
By adopting technique scheme; utilize central shaft to drive braked wheel to rotate to throw away centrifugal for fan-shaped brake block; considerably increase the braking effect of the retaining segment at fan-shaped brake block and gear wheel place; and directly the retaining segment of fan-shaped braking parts and gear wheel is achieved to brake and process; thus achieve transmission and the structure of braking on same parts; greatly strengthen braking effect; and structure is simple; thus reduce production cost; avoid protecgulum and serve as brake component; protect the service life of protecgulum, thus ensure that the service life of descending lifeline.
In the utility model specific embodiment, described protecgulum 1 and the junction of bonnet 2 are rotatably connected to three guide wheels 3, rope entrance 31 is formed between adjacent guide wheel, described braked wheel 5 comprises braked wheel body 51, the outer circumference surface of this braked wheel body 51 is equidistantly provided with three breaker slots 52, this breaker slot 52 comprises bottom surface 521 and two sides 522, and each side 522 is led fillet with the junction of bottom surface 521 and arranged.
By adopting technique scheme; the rope entrance that three guide wheels are formed, effectively plays guide effect to the motion of rope, and prevents rope and protecgulum and bonnet friction from the situation of component wear is occurred; protect the service life of protecgulum and bonnet, thus ensure that the service life of descending lifeline.
In the utility model specific embodiment, described center wheel disc 12 comprises center wheel disc body 121, the side of this center wheel disc body 121 is provided with rope standing groove 122, the end face of the opposite side of center wheel disc body 121 is provided with two holddown grooves 123, joint pin 14 is provided with in each holddown groove 123, joint pin 14 is fixed in this holddown groove 123 by backstay 13, and each pinion 10 is rotationally connected with on joint pin 14 respectively.
By adopting technique scheme, the pinion syndeton of this structure, make inner structure compacter, layout is more reasonable, and pinion follows center wheel disc to rotate, and runs, ensure that the stability of transmission under making pinion and central gear be positioned at same plane and same environment, operation for rope provides good environment, and topology layout is more reasonable.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a descending lifeline, comprise protecgulum, the central shaft that the bonnet be connected with protecgulum and two ends are rotationally connected with protecgulum and bonnet respectively, it is characterized in that: also include gear wheel, this gear wheel comprises gear segment and retaining segment, described central shaft is arranged with center wheel disc by bonnet successively to protecgulum direction, central gear and braked wheel, described central gear has also been connected with a joggle two pinions, and two pinions engage with the gear segment of gear wheel respectively, described braked wheel is provided with more than three breaker slots, the opening of this breaker slot is increased to the end wall direction of braked wheel successively by the center of braked wheel, fan-shaped brake block is slidably connected in each breaker slot, and fan-shaped brake block setting corresponding with retaining segment, and fan-shaped brake block is provided with mounting groove on an end face of retaining segment, friction plate is provided with in this mounting groove, this friction plate towards the end face of retaining segment and retaining segment suitable.
2. descending lifeline according to claim 1, is characterized in that: described protecgulum and the junction of bonnet are rotatably connected to three guide wheels, form rope entrance between adjacent guide wheel.
3. descending lifeline according to claim 1 and 2, it is characterized in that: described braked wheel comprises braked wheel body, the outer circumference surface of this braked wheel body is equidistantly provided with three breaker slots, this breaker slot comprises bottom surface and two sides, and the junction of each side and bottom surface is led fillet and arranged.
4. descending lifeline according to claim 1 and 2, it is characterized in that: described center wheel disc comprises center wheel disc body, the side of this center wheel disc body is provided with rope standing groove, the end face of the opposite side of center wheel disc body is provided with two holddown grooves, joint pin is provided with in each holddown groove, joint pin is fixed in this holddown groove by backstay, and each pinion is rotationally connected with on joint pin respectively.
5. descending lifeline according to claim 3, it is characterized in that: described center wheel disc comprises center wheel disc body, the side of this center wheel disc body is provided with rope standing groove, the end face of the opposite side of center wheel disc body is provided with two holddown grooves, joint pin is provided with in each holddown groove, joint pin is fixed in this holddown groove by backstay, and each pinion is rotationally connected with on joint pin respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577644.2U CN204121629U (en) | 2014-10-08 | 2014-10-08 | A kind of descending lifeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577644.2U CN204121629U (en) | 2014-10-08 | 2014-10-08 | A kind of descending lifeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204121629U true CN204121629U (en) | 2015-01-28 |
Family
ID=52378020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577644.2U Expired - Fee Related CN204121629U (en) | 2014-10-08 | 2014-10-08 | A kind of descending lifeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204121629U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758553A (en) * | 2017-12-04 | 2018-03-06 | 湖北科技学院 | A kind of crane cable speed-limiting device |
| CN110664568A (en) * | 2019-10-29 | 2020-01-10 | 昆山佳康顺医疗器械有限公司 | Portable shifter |
| US11602951B2 (en) | 2020-02-24 | 2023-03-14 | Bendix Commercial Vehicle Systems Llc | Splined drum and electric motor engagement assembly |
| US11635118B2 (en) | 2020-01-17 | 2023-04-25 | Bendix Commercial Vehicle Systems Llc | Electric vehicle drum brake dust evacuation and cooling concept |
-
2014
- 2014-10-08 CN CN201420577644.2U patent/CN204121629U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758553A (en) * | 2017-12-04 | 2018-03-06 | 湖北科技学院 | A kind of crane cable speed-limiting device |
| CN107758553B (en) * | 2017-12-04 | 2023-07-07 | 湖北科技学院 | Crane cable speed limiting device |
| CN110664568A (en) * | 2019-10-29 | 2020-01-10 | 昆山佳康顺医疗器械有限公司 | Portable shifter |
| US11635118B2 (en) | 2020-01-17 | 2023-04-25 | Bendix Commercial Vehicle Systems Llc | Electric vehicle drum brake dust evacuation and cooling concept |
| US11602951B2 (en) | 2020-02-24 | 2023-03-14 | Bendix Commercial Vehicle Systems Llc | Splined drum and electric motor engagement assembly |
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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: 20150128 Termination date: 20161008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |