CN109573904A - A kind of lifting device for sliding lowering persons - Google Patents
A kind of lifting device for sliding lowering persons Download PDFInfo
- Publication number
- CN109573904A CN109573904A CN201811247502.9A CN201811247502A CN109573904A CN 109573904 A CN109573904 A CN 109573904A CN 201811247502 A CN201811247502 A CN 201811247502A CN 109573904 A CN109573904 A CN 109573904A
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- CN
- China
- Prior art keywords
- cut
- driven wheel
- gear
- lifting device
- disk body
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention provides a kind of lifting device for sliding lowering persons, comprising: driven wheel, circumference side are formed with the abutting slot that the pivot center around driven wheel for abutting traction rope extends, are configured to the traction with traction rope and rotate；Speed reducer, speed reducer includes: disk body, in the form of annular discs, is rotated with the rotation of driven wheel, the circumference side of disk body is formed with the movable sliding towards its internal stretch；Fitting can be slided along the length direction of mobile slideway, and the end at the separate disk body center of fitting is abutting part, and abutting part is in spherical and can extend movable sliding；First elastic component, is placed in mobile slideway；Bolster, have rounded buffering heavy platform, buffer heavy platform circumference side it is wave-shaped and have multiple buffering bayonets.Bolster limits the rotation of disk body, plays certain buffer function, and then can limit the rotation of driven wheel.When user emergency stop occurs during decline, bolster can slow down the impact force that user is subject to, and protect the safety of user.
Description
Technical field
The present invention relates to the technical fields of pulley gear, more particularly to a kind of lifting device for sliding lowering persons.
Background technique
In social life, fire has become threat public safety, and the one kind for endangering people's life's property is multiple
Disaster.According to statistics, the whole world occurs fire 10,000 or so daily, dead more than 2000 people, hurts more than 3000 people, caused by annual fire
Direct property loss is up to more than 10 hundred million yuan.Especially especially big malignant fire constantly occurs, to the lives and properties of the country and people masses
Cause huge loss.
The big country densely populated as one, China, fire phenomena frequency have generation.Chinese government's prevention of fires is put out
Propaganda strength is larger, and various regions government reinforces control to fire-prone place, while publicizing the precautionary measures and emergency to the people
Escape method avoids fire as far as possible, and reduces fire damage.
Personnel, which flee from, in the fire of skyscraper, in skyscraper depends on escape stair greatly, in scene of fire, safety
Stair escape effect it is extremely limited, cannot in time, safely convey escape personnel, ordinary loss is larger.And existing fire
Emergency Tool still is limited to traditional fire extinguisher, and fire is greater for some, or is not easy for the fire put out, flees from
Scene of fire is particularly important, and a convenient, safe escape equipment can reduce the lives and properties of the country and people masses well
Loss.
Existing lifting device for sliding lowering persons is in tobogganing process, and if all standing, escape personnel can bear biggish punching
Power is hit, has biggish actual bodily harm to escape personnel, therefore needs to make improvements.
Summary of the invention
It is an object of the present invention to provide a kind of lifting device for sliding lowering persons that can have buffer function.
Particularly, the present invention provides a kind of lifting device for sliding lowering persons, comprising:
Driven wheel, what the pivot center around the driven wheel that circumference side is formed with for abutting traction rope extended supports
Access slot is configured to rotate with the traction of the traction rope；
Speed reducer, the speed reducer include:
Disk body, in the form of annular discs, pivot center is overlapped with the pivot center of the driven wheel, is configured to the driven wheel
Rotation and rotate, the circumference side of the disk body is formed with the movable sliding towards its internal stretch；
Fitting is limited in the movable sliding, and can be slided along the length direction of the mobile slideway, the abutting
The end far from the disk body center of part is abutting part, and the abutting part is in spherical and can extend the movable sliding；
First elastic component is placed in the mobile slideway, for generating the elasticity that the abutting part is released to the disk body
Power；
Bolster has rounded buffering heavy platform, and the circumference side of the buffering heavy platform is wave-shaped and has multiple
Bayonet is buffered, the disk body is placed in the buffering heavy platform, and the abutting part is caught in described delay after extending the movable sliding
It rushes in bayonet.
Further, there are four the movable sliding along its pivot center circular array arrangement, each work for the disk body tool
First elastic component and the fitting are arranged in dynamic sliding slot.
Further, first elastic component is spring.
Further, driving section is provided between the speed reducer and the driven wheel, the driving section includes with described
Driven wheel rotation and the first friction pulley for rotating and rotate synchronously and abut the of first friction pulley with the speed reducer
Two friction pulleys, first friction pulley drive the second friction pulley rotation.
Further, be provided with cut-off portion between the driving section and the driven wheel, the cut-off portion include with it is described
The cut-off gear for rotating and rotating with the driven wheel and cut-off fastener, the cut-off fastener of driven wheel coaxial arrangement have
The latch engaged with the cut-off gear, when the cut-off fastener is engaged with the cut-off gear, the cut-off gear can not
Rotation, so that the driven wheel can not rotate.
Further, the cut-off portion further include:
Second elastic component, second elastic component, which generates, pushes the cut-off fastener to the cut-off gear to make described
The elastic force that cut-off fastener is engaged with the cut-off gear；
Drawstring is connect with the cut-off fastener, for pulling the cut-off fastener so that described in cut-off fastener disengaging
End gear.
Further, the one side towards the driven wheel of the cut-off gear has chisel teeth, and the driven wheel has
With the card slot of chisel teeth cooperation, drives the cut-off gear to rotate when the driven wheel is rotated towards first direction, work as institute
Driven wheel is stated towards when second direction rotation opposite to the first direction, the chisel teeth is detached from the card slot so that described
Driven wheel and the cut-off gear are detached from and are unable to drive the cut-off gear and rotate.
Further, including two speed reducers, the bolster, two bolsters be respectively arranged with it is described from
The two sides of driving wheel.
Further, including two driving sections, two driving sections are symmetrically distributed in the two of the driven wheel
Side.
Further, further includes:
Shell has accommodating chamber, the driven wheel, the speed reducer, the bolster, the driving section, the cut-off
Portion is respectively positioned in the accommodating chamber, and the drawstring passes through the shell and extends the accommodating chamber.
Lifting device for sliding lowering persons in the present invention, bolster limit the rotation of disk body, play certain buffer function, in turn
The rotation of driven wheel can be limited.When user emergency stop occurs during decline, bolster can slow down the impact that user is subject to
Power protects the safety of user.Meanwhile bolster is also possible that the decline process of user is more steady, is not in urgency
The risk of drop.The equipment has the outstanding features such as small in size, light-weight, stability is strong.The equipment is in addition to rescuing people for fire-fighting, also
Suitable for numerous areas such as aerial helicopter, extra large land rescue, environment protecting travel, high altitude operation, scientific investigation mountain-climbing and high-altitude investigations.This
The rising of device and decrease speed can be adjusted with user's operation, due to having buffering, the highest rate of climb of the device
Up to 60 to 70 centimeters per seconds, the most fast metre per second (m/s) of decrease speed.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the structural schematic diagram of lifting device for sliding lowering persons according to an embodiment of the invention；
Fig. 2 is the schematic front view of bolster according to an embodiment of the invention；
Fig. 3 is the schematic front view of speed reducer according to an embodiment of the invention；
Fig. 4 is the schematic front view in cut-off portion according to an embodiment of the invention.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
It as shown in Figures 1 to 4, is preferred embodiments of the present invention.
Lifting device for sliding lowering persons 100 in the present embodiment includes driven wheel 110, speed reducer 120 and bolster 130.Driven wheel
110 circumference side is formed with the abutting slot that the pivot center around driven wheel 110 for abutting traction rope 200 extends, configuration
It is rotated at the traction with traction rope 200.When in use, external traction rope 200 half is embedded in or completely embedded in abutting in slot, is formed
(in other embodiments, traction rope 200 can also be around driven wheel 1101.5 weeks or 2.5 around 110 half cycle of driven wheel for traction rope 200
Week etc.) structure.In use, lifting device for sliding lowering persons 100 is fixed on some position, one end of traction rope 200 is caught simultaneously by user
Around being strapped in user after driven wheel 110, for user during downward downhill race, traction rope 200 drives 110 turns of driven wheel
It is dynamic.It skids between traction rope 200 and driven wheel 110 in order to prevent, other mechanisms can be set and push against traction rope 200 in abutting
In slot, so that the movement of traction rope 200 is ended after driven wheel 110 stops operating.Due to preventing traction rope 200 and driven wheel
110 structures skidded early have publicity in the prior art, just repeat no more here.
Speed reducer 120 includes disk body 121, fitting 122 and the first elastic component 123.
As shown in figure 3, disk body 121 is in the form of annular discs, pivot center is overlapped with the pivot center of driven wheel 110, is configured to
It is rotated with the rotation of driven wheel 110, the circumference side of disk body 121 is formed with the movable sliding 1211 towards its internal stretch, tool
The movable sliding 1211 of body can extend towards the center of circle of disk body 121, eccentric can also extend, the cross section of movable sliding 1211 can
With rounded or other shapes, movable sliding 1211 can (closing Shi Qiwei blind hole, be opened in closed or in open shape
When its along 121 thickness direction of disk body size be equal to disk body 121 thickness).
Fitting 122 is restricted in movable sliding 1211, and can be slided along the length direction of mobile slideway, i.e. fitting
122 can be free to slide in movable sliding 1211, but cannot skid off movable sliding 1211.The separate disk body of fitting 122
The end at 121 centers is abutting part 1221, and abutting part 1221 is in spherical and can extend movable sliding 1211.
First elastic component 123 is placed in mobile slideway, for generating the elastic force that abutting part 1221 is released to disk body 121,
Specifically, the first elastic component 123 can be spring, and one end abuts the slot bottom of movable sliding 1211, and one end abuts fitting
122, so that the ground socket part of fitting 122 keeps extending the state of movable sliding 1211.
Bolster 130 has rounded buffering heavy platform 131, and the circumference side of buffering heavy platform 131 is wave-shaped and has
Multiple buffering bayonets 132, disk body 121 are placed in buffering heavy platform 131, abutting part 1221 extend be caught in after movable sliding 1211 it is slow
It rushes in bayonet 132.Bolster 130 is opposing stationary, after disk body 121 is located in buffering heavy platform 131, when it turns an angle,
Abutting part 1221 is compressed and be retracted into movable sliding 1211 by wavy protrusion, when disk body 121 continues to rotate, abutting part
1221 pop up and are caught in buffering bayonet 132.Therefore bolster 130 limits the rotation of disk body 121, plays certain buffering and makees
With, and then the rotation of driven wheel 110 can be limited.When user emergency stop occurs during decline, bolster 130 can slow down use
The impact force that family is subject to protects the safety of user.Meanwhile bolster 130 is also possible that the decline process of user more
It steadily, is not in the risk to plunge.
Further, there are four the movable sliding 1211 along its pivot center circular array arrangement, each activities for the tool of disk body 121
First elastic component 123 and fitting 122 are arranged in sliding slot 1211.In other embodiments, disk body 121 can be with
With more movable slidings 1211, depending on the size of specific optic disk body 121.
In one embodiment, driving section is provided between speed reducer 120 and driven wheel 110, driving section includes with driven
110 rotation of wheel and the first friction pulley 141 for rotating and rotate synchronously and abut the of the first friction pulley 141 with speed reducer 120
Two friction pulleys 142, the first friction pulley 141 drive the rotation of the second friction pulley 142.Since disk body 121 is synchronous with the second friction pulley 142
Rotation, therefore when skidding between the first friction pulley 141 and the second friction pulley 142, the velocity of rotation of disk body 121 becomes smaller in driven
The velocity of rotation of wheel 110.Carrying out transmission using the kind of drive that the first friction pulley 141 is abutted with the second friction pulley 142 can limit
The maximum impact force that system lifting device for sliding lowering persons 100 can be born effectively prevents from bearing what traction rope 200 was given during user's decline
Excessive pulls, and protects the personal safety of user.
Further, it is provided with cut-off portion 150 between driving section and driven wheel 110, cut-off portion 150 includes and driven wheel
110 coaxial arrangements rotate and the cut-off gear 151 of rotation and cut-off fastener 152 with driven wheel 110, and cut-off fastener 152 has
There is the latch engaged with cut-off gear 151, when cut-off fastener 152 is engaged with cut-off gear 151, cut-off gear 151 can not turn
It is dynamic, so that driven wheel 110 can not rotate.Cut-off portion 150 allow user hovered over according to actual conditions in the air, when cut
After only fastener 152 is engaged with cut-off gear 151, driven wheel 110 can not be rotated, and traction rope 200 just can not move, and user then can be with
Hovering in the air.
Further, cut-off portion 150 further include:
Second elastic component, the second elastic component is generated to be pushed to end gear 151 to make to end fastener by cut-off fastener 152
152 elastic forces engaged with cut-off gear 151；
Drawstring 153 is connect with cut-off fastener 152, for pulling cut-off fastener 152 so that cut-off fastener 152 is detached from cut-off
Gear 151.I.e. under normality, cut-off gear 151 is restricted from rotation, and driven wheel 110 can not also rotate, and traction rope 200 can not
Movement.When user needs to decline, drawstring 153 can be pullled to release the limitation to cut-off gear 151, allow driven wheel 110
Restore motion state.
Further, the one side towards driven wheel 110 for ending gear 151 has chisel teeth 154, and driven wheel 110 has
The card slot cooperated with chisel teeth 154 drives cut-off gear 151 to rotate when driven wheel 110 is rotated towards first direction, works as driven wheel
110 towards when the second direction rotation opposite with first direction, chisel teeth 154 is detached from card slot so that driven wheel 110 and cut-off tooth
Wheel 151 is detached from and is unable to drive cut-off gear 151 and rotates.This will be by resistance during user is declined, but user exists
In uphill process, chisel teeth 154 is detached from card slot to allow the rotation of driven wheel 110 not by any obstruction, then can make user
Uphill process not by resistance.During chisel teeth 154 is detached from card slot, cut-off gear 151 will be along the direction of its pivot center
Far from driven wheel 110, in order to realize above-mentioned movement, yielding coupling can be set between cut-off gear 151 and driving section.
Further, including two speed reducers 120, bolster 130, two bolsters 130 are respectively arranged and driven wheel 110
Two sides.
Further, including two driving sections, two driving sections are symmetrically distributed in the two sides of driven wheel 110.
Further, further includes:
Shell 160 has accommodating chamber, driven wheel 110, speed reducer 120, bolster 130, driving section, the equal position in cut-off portion 150
In in accommodating chamber, drawstring 153 passes through shell 160 and extends accommodating chamber.
In the present apparatus, traction rope 200 is located on power wheel 110, and being restricted with one can be realized the raising and lowering of user,
And it can be controlled by drawstring 153 and be stopped at any time.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of lifting device for sliding lowering persons characterized by comprising
Driven wheel, circumference side are formed with the abutting that the pivot center around the driven wheel for abutting traction rope extends
Slot is configured to rotate with the traction of the traction rope；
Speed reducer, the speed reducer include:
Disk body, in the form of annular discs, pivot center is overlapped with the pivot center of the driven wheel, is configured to turn with the driven wheel
It moves and rotates, the circumference side of the disk body is formed with the movable sliding towards its internal stretch；
Fitting is limited in the movable sliding, and can be slided along the length direction of the mobile slideway, the fitting
End far from the disk body center is abutting part, and the abutting part is in spherical and can extend the movable sliding；
First elastic component is placed in the mobile slideway, for generating the elastic force that the abutting part is released to the disk body；
Bolster has rounded buffering heavy platform, and the circumference side of the buffering heavy platform is wave-shaped and has multiple bufferings
Bayonet, the disk body are placed in the buffering heavy platform, and the abutting part is caught in the buffering clamp after extending the movable sliding
In mouthful.
2. lifting device for sliding lowering persons according to claim 1, which is characterized in that
Disk body tool is arranged in each movable sliding there are four the movable sliding along its pivot center circular array arrangement
There are first elastic component and the fitting.
3. lifting device for sliding lowering persons according to claim 2, which is characterized in that
First elastic component is spring.
4. lifting device for sliding lowering persons according to claim 3, which is characterized in that
Driving section is provided between the speed reducer and the driven wheel, the driving section includes rotating and turning with the driven wheel
Dynamic the first friction pulley and the second friction pulley that first friction pulley is rotated synchronously and abutted with the speed reducer, described the
One friction pulley drives the second friction pulley rotation.
5. lifting device for sliding lowering persons according to claim 4, which is characterized in that
Cut-off portion is provided between the driving section and the driven wheel, the cut-off portion includes being coaxially disposed with the driven wheel
With the driven wheel rotate and rotate cut-off gear and cut-off fastener, the cut-off fastener with and the cut-off gear
The latch of engagement, when the cut-off fastener is engaged with the cut-off gear, the cut-off gear can not be rotated, so that described
Driven wheel can not rotate.
6. lifting device for sliding lowering persons according to claim 5, which is characterized in that the cut-off portion further include:
Second elastic component, second elastic component, which generates, pushes the cut-off fastener to the cut-off gear to make the cut-off
The elastic force that fastener is engaged with the cut-off gear；
Drawstring is connect with the cut-off fastener, for pulling the cut-off fastener so that the cut-off fastener is detached from the cut-off
Gear.
7. lifting device for sliding lowering persons according to claim 6, which is characterized in that
The one side towards the driven wheel of the cut-off gear has chisel teeth, and the driven wheel has matches with the chisel teeth
The card slot of conjunction drives the cut-off gear to rotate when the driven wheel is rotated towards first direction, when the driven wheel court and institute
When stating the opposite second direction rotation of first direction, the chisel teeth be detached from the card slot so that the driven wheel with described section
Only gear is detached from and is unable to drive the cut-off gear rotation.
8. lifting device for sliding lowering persons according to claim 7, which is characterized in that
Including two speed reducers, the bolster, two bolsters are respectively arranged the two sides with the driven wheel.
9. lifting device for sliding lowering persons according to claim 8, which is characterized in that
Including two driving sections, two driving sections are symmetrically distributed in the two sides of the driven wheel.
10. lifting device for sliding lowering persons according to claim 9, which is characterized in that further include:
Shell has accommodating chamber, and the driven wheel, the speed reducer, the bolster, the driving section, the cut-off portion are equal
In the accommodating chamber, the drawstring passes through the shell and extends the accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247502.9A CN109573904B (en) | 2018-10-25 | 2018-10-25 | Lifting sliding descending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247502.9A CN109573904B (en) | 2018-10-25 | 2018-10-25 | Lifting sliding descending device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109573904A true CN109573904A (en) | 2019-04-05 |
| CN109573904B CN109573904B (en) | 2020-07-10 |
Family
ID=65920448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811247502.9A Expired - Fee Related CN109573904B (en) | 2018-10-25 | 2018-10-25 | Lifting sliding descending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109573904B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106589A (en) * | 1976-01-23 | 1978-08-15 | Knud William Petersen | Device adapted to be fastened to a wire, a cable, a cord, or a similar flexible elongated element |
| CN2460125Y (en) * | 2001-01-09 | 2001-11-21 | 吴汝鸿 | Double-buffer anti-drop protector with first speed reducing and then stop |
| CN2553834Y (en) * | 2002-06-14 | 2003-06-04 | 蓝伟民 | Self-control lifesaving back pack |
| CN201684311U (en) * | 2010-06-08 | 2010-12-29 | 尹业宏 | Friction reciprocating type high building escape device |
| CN103252026A (en) * | 2013-05-09 | 2013-08-21 | 于杰 | Descent control device and use method thereof |
-
2018
- 2018-10-25 CN CN201811247502.9A patent/CN109573904B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106589A (en) * | 1976-01-23 | 1978-08-15 | Knud William Petersen | Device adapted to be fastened to a wire, a cable, a cord, or a similar flexible elongated element |
| CN2460125Y (en) * | 2001-01-09 | 2001-11-21 | 吴汝鸿 | Double-buffer anti-drop protector with first speed reducing and then stop |
| CN2553834Y (en) * | 2002-06-14 | 2003-06-04 | 蓝伟民 | Self-control lifesaving back pack |
| CN201684311U (en) * | 2010-06-08 | 2010-12-29 | 尹业宏 | Friction reciprocating type high building escape device |
| CN103252026A (en) * | 2013-05-09 | 2013-08-21 | 于杰 | Descent control device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109573904B (en) | 2020-07-10 |
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Granted publication date: 20200710 Termination date: 20201025 |