CN110237450A - A kind of fire-fighting escape device - Google Patents
A kind of fire-fighting escape device Download PDFInfo
- Publication number
- CN110237450A CN110237450A CN201910449499.7A CN201910449499A CN110237450A CN 110237450 A CN110237450 A CN 110237450A CN 201910449499 A CN201910449499 A CN 201910449499A CN 110237450 A CN110237450 A CN 110237450A
- Authority
- CN
- China
- Prior art keywords
- descending lifeline
- wheel
- block
- planetary gear
- gear set
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
Abstract
The invention discloses a kind of fire-fighting escape devices, its structure includes descending lifeline, safety hook, slow descending rope rope, rolling wheel, safety belt, the outer surface of descending lifeline is equipped with slideway, slow descending rope rope is wound with the outer circumference surface of descending lifeline and extension is connected to rolling wheel, the present invention is respectively equipped with planetary gear set in the inside of descending lifeline and matches with secondary row star-wheel, planetary gear set generates the uniform descent that descending lifeline is realized in friction by friction block and shaft, and when friction block is smoothed, force block is exposed to be engaged in outer surface with shaft, based on this, pass through force block, the elastic force tension spring and the coefficient movable block level of push rod for pushing up the cooperation of power bar promote inside buckling plate, fastening guide wheel to which buckling plate tail portion is fastened is released, therefore, planetary gear set is replaced to complete joggleword the pop-up of secondary row star-wheel, descending lifeline is continued The decline that remains a constant speed, avoid user in the safety issue for not reaching the failure of descending lifeline in face of ground and generating.
Description
Technical field
The present invention relates to technical field of fire control, are a kind of fire-fighting escape devices particularly.
Background technique
With the development of the social economy, the quickening of urbanization process, Tall Office Building, hotel, commerce trading center etc. are public to be built
Build one it is flickering rise sheer from level ground, but at the same time, the safety problem of skyscraper also exposed day by day, for example happen occasionally in recent years
Due to major casualties caused by fire of high-rise building, for this case, current has continued to bring out out not in the market
The equipment for being used for fire disaster escaping less, to improve the validity and success rate of fire disaster escaping, common fire disaster escaping facility has slow drop
Device, life saving gas cushion, lifesaving slideway, roof ramp-down device, emergency management and rescue hanging basket etc., wherein descending lifeline is mainly for personal use,
Its construction is made of governor, safety belt, safety door hook, wirerope etc., is not necessarily to power, and trapped person can be made safely to delay drop
To ground.
The prior art is mainly dropped by the friction that friction block generates with having the function that delay, but the slow drop that the friction generates
The abrasion with friction is easy when high building uses, the friction in friction block is gradually reduced or even is smoothed, so that not arriving
Before up to ground the friction block it is entirely ineffective so that descending lifeline can not uniform descent and influence safety in utilization.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of fire-fighting escape device.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of fire-fighting escape device,
Structure includes descending lifeline, safety hook, slow descending rope rope, rolling wheel, safety belt, and the outer surface of the descending lifeline is equipped with slideway, described
Slow descending rope rope is wound with the outer circumference surface of descending lifeline and extension is connected to rolling wheel, is snapped with safety belt in the bottom end of the rolling wheel,
The safety hook is connect by slow descending rope rope with rolling wheel, and the inside of the descending lifeline, which forms, expansion bracket, planetary gear set, auxiliary
Walk help star-wheel, shaft, the planetary gear set is engaged in the two sides of shaft, and the side far from shaft is turned by connection idler wheel
In the inside fixed disc of descending lifeline, the secondary row star-wheel is co-axially mounted with planetary gear set for dynamic cooperation, mutual cooperation and
It does not contact, the expansion bracket cooperatively forms sector structure there are three setting.
As a further improvement of the present invention, one end of the expansion bracket is fixed on the inner wall of descending lifeline, the other end with turn
Shaft mechanical connection.
As a further improvement of the present invention, the planetary gear set include elastic force tension spring, engaging tooth, push rod, movable block,
Buckling plate, the elastic force tension spring and engaging tooth are equipped with more than two and correspond, and the push rod and each elastic force are drawn
Spring welding, the push rod are fixed on movable block far from one end point two sides of elastic force tension spring, and the movable block is matched in horizontal anomalous movement
Together in buckling plate.
As a further improvement of the present invention, the inside composition of the engaging tooth has top power bar, force block, friction block, institute
Stating top power bar and force block is T-shaped structure, and pushes up power bar through elastic force tension spring, and the force block is welded on friction block
Together.
As a further improvement of the present invention, the friction block and shaft are intermeshed.
As a further improvement of the present invention, the buckling plate is made of fastening guide wheel, spacing edge-cut, guiding card slot, institute
It states to fasten guide wheel and be located at the outer end of buckling plate and be connect by joining rod with additional planetary wheel mechanical, the spacing edge-cut is set on being oriented to
Two side external surfaces of card slot.
As a further improvement of the present invention, the inside of the buckling plate is equipped with linking guiding card slot and fastens the branch of guide wheel
Bar, and the right side of buckling plate forms splayed structure and is limited in fastening guide wheel.
As a further improvement of the present invention, the movable block activity button-fold is in the inside of guiding card slot.
As a further improvement of the present invention, the spacing edge-cut is equipped with fixing groove and active edges slot, and the fixing groove is set
In the inner wall of buckling plate, and the two sides that active edges slot is welded on guiding card slot are mutually clamped with fixing groove.
As a further improvement of the present invention, the movable block is integrated with buckling plate.
Both as a further improvement of the present invention, the planetary gear set is to be co-axially mounted with secondary row star-wheel, realize
Synchronous rotation.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention is respectively equipped with planetary gear set in the inside of descending lifeline and matches with secondary row star-wheel, planetary gear set
The uniform descent that descending lifeline is realized in friction is generated by friction block and shaft, and when friction block is smoothed, force block is exposed
It is engaged in outer surface with shaft, is based on this, pass through force block, the elastic force tension spring of top power bar cooperation and the coefficient activity of push rod
Block level promotes inside buckling plate, so that the fastening guide wheel that buckling plate tail portion is fastened is released, therefore, by additional planetary
Wheel pop-up replaces planetary gear set to complete joggleword, and the decline that remains a constant speed that descending lifeline is continued avoids user
In the safety issue for not reaching descending lifeline failure in face of ground and generating.
2, expansion bracket of the present invention is set there are three and the sector structure formed is matched with a shaft, in the outer surface of descending lifeline
The slideway being equipped with provides condition for the vertical shift of shaft, and shaft realizes the stabilization of shaft in sliding using three expansion brackets
It slides and does not deviate by.
3, the present invention is matched with top power bar in multiple elastic force tension springs that the inside of planetary gear set is equipped with one by one respectively, is pushing up
The vibration that it is subject to can be reduced using elastic force tension spring while power bar stress to damage.
4, the two sides of movable block of the present invention are combined with push rod, averagely in movable block bilateral by amount thrust, to guarantee
The propulsion that movable block can balance guarantees that buckling plate can completely be disconnected by fastening guide wheel, promote secondary row star-wheel being capable of valid round
Caton will not occur out.
5, spacing edge-cut of the present invention acts on the two sides of guiding card slot, the spy being mutually clamped using fixing groove and active edges slot
Point causes fastening guide wheel not reset completely to prevent guide card slot to be disengaged to buckling plate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fire-fighting escape device of the present invention.
Fig. 2 is the schematic perspective view of descending lifeline of the present invention.
Fig. 3 is the front cross-sectional structural schematic diagram of descending lifeline of the present invention.
Fig. 4 is the structural schematic diagram of planetary gear set of the present invention.
Fig. 5 is the structure enlargement diagram of A in Fig. 4 of the present invention.
Fig. 6 is the side structure schematic diagram of planetary gear set of the present invention.
Fig. 7 is the trend of work structural schematic diagram of Fig. 6 of the present invention.
Fig. 8 is the schematic diagram of the section structure of buckling plate of the present invention.
Fig. 9 is the structure enlargement diagram of spacing edge-cut of the present invention.
In figure: descending lifeline -1, safety hook -2, slow descending rope rope -3, rolling wheel -4, safety belt -5, slideway -11, expansion bracket -
12, planetary gear set -13, secondary row star-wheel -14, shaft -15, elastic force tension spring -13a, engaging tooth -13b, push rod -13c, activity
Block -13d, buckling plate -13e, top power bar-b1, force block-b2, friction block-b3, guide wheel-e1, spacing edge-cut-e2, guiding are fastened
Card slot-e3, fixing groove-e31, active edges slot-e32.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " lateral ", " length ", " width ", " height ",
The instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side "
Orientation or positional relationship is to be merely for convenience of the description present invention based on orientation or positional relationship shown in the drawings and simplification is retouched
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 9
The structure of the fire-fighting escape device of embodiment of the present invention is schematically shown, With reference to embodiment, further
Illustrate the present invention.
Embodiment
As shown in figs. 1-9, the present invention provides a kind of fire-fighting escape device, structure include descending lifeline 1, safety hook 2,
Slow descending rope rope 3, rolling wheel 4, safety belt 5, the outer surface of the descending lifeline 1 are equipped with slideway 11, the winding of slow descending rope rope 3 and slow drop
The outer circumference surface of device 1 and extension is connected to rolling wheel 4, is snapped with safety belt 5 in the bottom end of the rolling wheel 4, the safety hook 2 is logical
Too slow drop rope 3 is connect with rolling wheel 4, and the inside composition of the descending lifeline 1 has expansion bracket 12, planetary gear set 13, additional planetary
14, shaft 15 are taken turns, the planetary gear set 13 is engaged in the two sides of shaft 15, and the side far from shaft 15 passes through connection rolling
Wheel a is rotatably assorted in the inside fixed disc of descending lifeline 1, and the secondary row star-wheel 14 is co-axially mounted with planetary gear set 13,
It cooperates and does not contact, the expansion bracket 12 cooperatively forms sector structure there are three setting.
One end of the expansion bracket 12 is fixed on the inner wall of descending lifeline 1, and the other end and shaft 15 are mechanically connected.
The planetary gear set 13 includes elastic force tension spring 13a, engaging tooth 13b, push rod 13c, movable block 13d, buckling plate
13e, the elastic force tension spring 13a and engaging tooth 13b are equipped with more than two and correspond, the push rod 13c and each described
Elastic force tension spring 13a welding, the push rod 13c is fixed on movable block 13d far from one end point two sides of elastic force tension spring 13a, described
Movable block 13d is matched with buckling plate 13e in horizontal anomalous movement.
The engaging tooth 13b inside composition have top power bar b1, force block b2, friction block b3, the top power bar b1 and by
Power block b2 is T-shaped structure, and pushes up power bar b1 and be welded on through elastic force tension spring 13a, the force block b2 and friction block b3
Together.
The friction block b3 and shaft 15 are intermeshed.
The buckling plate 13e is made of fastening guide wheel e1, spacing edge-cut e2, guiding card slot e3, e1, the fastening guide wheel
It is mechanically connected in the outer end of buckling plate 13e by joining rod and secondary row star-wheel 14, the spacing edge-cut e2 is set to guiding card slot
Two side external surfaces of e3.
The inside of the buckling plate 13e is equipped with linking guiding card slot e3 and fastens the strut of guide wheel e1, and buckling plate 13e
Right side formed splayed structure be limited in fasten guide wheel e1.
The movable block 13d activity button-fold is in the inside of guiding card slot e3.
The spacing edge-cut e2 is equipped with fixing groove e31 and active edges slot e32, and the fixing groove e31 is set on buckling plate 13e's
Inner wall, and the two sides that active edges slot e32 is welded on guiding card slot e3 are mutually clamped with fixing groove e31.
The movable block 13d and buckling plate 13e is integrated.
The planetary gear set 13 is to be co-axially mounted with secondary row star-wheel 14, realizes the synchronous rotation of the two.
The working principle of the fire-fighting escape device in above-mentioned technical proposal is explained as follows below:
Existing descending lifeline is primarily adapted for use in high-rise escape, when work, is driven in planetary gear set 13 by slow descending rope rope 3
Friction block b3 generate friction effect, guarantee that user is slow safely and be down to ground, and since high level acts on, and friction block b3 has
There is certain service life, when floor is excessively high, when the friction of friction block b3 is failed, descending lifeline just can not continue to keep slow drop, be based on
This, the secondary row star-wheel 14 and 13 collective effect of planetary gear set that the present invention is equipped with, friction block b3 generates pivoting friction at the beginning
When force block b2 do not stress, and when friction block b3 is smoothed, force block b2 stress, will therewith supporting & stablizing in elastic force tension spring
It pushes up power bar b1 in 13a to be pushed out, so that the thrust generated with the top push rod 13c that is mutually butted of power bar b1 is by movable block 13d water
Flat to push to the right, under the action of this motive force, the guiding card slot e3 fixed by movable block 13d extends into buckling plate 13e
Inside, due to guiding card slot e3 and fasten the strut that is equipped between guide wheel e1 and will fasten the bottom that guide wheel e1 releases buckling plate 13e
End fastens guide wheel e1 and leads in 90 ° of rotations, therefore by fastening under the support without the bottom end buckling plate 13e splayed structure
The secondary row star-wheel 14 for taking turns e1 connection disconnects decline, and shaft 15 has been liberated under the limit of two sides planetary gear set 13, with auxiliary
The synchronous decline of planetary gear 14, and secondary row star-wheel 14 is realized again with shaft 15 and is engaged, and secondary row star-wheel 14 and shaft 15 are utilized
The friction of generation reaches the function of slow drop again, enables a user to safe arrival ground.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute
The claim being related to.
Claims (3)
1. a kind of fire-fighting escape device, structure includes descending lifeline (1), safety hook (2), slow descending rope rope (3), rolling wheel (4), peace
Full band (5), it is characterised in that:
The outer surface of the descending lifeline (1) is equipped with slideway (11), the excircle of slow descending rope rope (3) winding and descending lifeline (1)
Face and extend be connected to rolling wheel (4), be snapped with safety belt (5) in the bottom end of the rolling wheel (4), the safety hook (2) passes through
Slow descending rope rope (3) is connect with rolling wheel (4), the inside of the descending lifeline (1) composition have expansion bracket (12), planetary gear set (13),
Secondary row star-wheel (14), shaft (15), the planetary gear set (13) are engaged in the two sides of shaft (15), and far from shaft
(15) side is rotatably assorted in the inside fixed disc of descending lifeline (1) by connecting idler wheel (a), the secondary row star-wheel
(14) it is co-axially mounted, cooperates and does not contact with planetary gear set (13), the expansion bracket (12) cooperatively forms there are three setting
Sector structure.
2. a kind of fire-fighting escape device according to claim 1, it is characterised in that: one end of the expansion bracket (12) is fixed
Inner wall in descending lifeline (1), the other end and shaft (15) are mechanically connected, and the planetary gear set (13) includes elastic force tension spring
(13a), engaging tooth (13b), push rod (13c), movable block (13d), buckling plate (13e), the elastic force tension spring (13a) and engaging tooth
(13b) is equipped with more than two and corresponds, and the push rod (13c) and each elastic force tension spring (13a) are welded, described to push away
Bar (13c) is fixed on movable block (13d) far from one end point two sides of elastic force tension spring (13a), and the movable block (13d) is in level
Activity is matched with buckling plate (13e).
3. a kind of fire-fighting escape device according to claim 2, it is characterised in that: the inside group of the engaging tooth (13b)
Cheng Youding power bar (b1), force block (b2), friction block (b3), the top power bar (b1) and force block (b2) they are T-shaped structure, and
And top power bar (b1), through elastic force tension spring (13a), the force block (b2) welds together with friction block (b3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449499.7A CN110237450A (en) | 2019-05-28 | 2019-05-28 | A kind of fire-fighting escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449499.7A CN110237450A (en) | 2019-05-28 | 2019-05-28 | A kind of fire-fighting escape device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110237450A true CN110237450A (en) | 2019-09-17 |
Family
ID=67885107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449499.7A Pending CN110237450A (en) | 2019-05-28 | 2019-05-28 | A kind of fire-fighting escape device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110237450A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201735082U (en) * | 2010-08-23 | 2011-02-09 | 莫洪涛 | Decent control device for escape and rescue |
| CN201815008U (en) * | 2010-09-08 | 2011-05-04 | 西南交通大学 | Controllable intelligent building escaper |
| CN202061273U (en) * | 2011-04-21 | 2011-12-07 | 广东胜捷金陵安全防护器材有限公司 | High-altitude lifesaving descent control device |
| CN102553093A (en) * | 2012-02-02 | 2012-07-11 | 李自国 | Descent controller |
| US20170307031A1 (en) * | 2014-10-07 | 2017-10-26 | Skysaver Rescue Ltd. | Centrifugal brake mechanism |
-
2019
- 2019-05-28 CN CN201910449499.7A patent/CN110237450A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201735082U (en) * | 2010-08-23 | 2011-02-09 | 莫洪涛 | Decent control device for escape and rescue |
| CN201815008U (en) * | 2010-09-08 | 2011-05-04 | 西南交通大学 | Controllable intelligent building escaper |
| CN202061273U (en) * | 2011-04-21 | 2011-12-07 | 广东胜捷金陵安全防护器材有限公司 | High-altitude lifesaving descent control device |
| CN102553093A (en) * | 2012-02-02 | 2012-07-11 | 李自国 | Descent controller |
| US20170307031A1 (en) * | 2014-10-07 | 2017-10-26 | Skysaver Rescue Ltd. | Centrifugal brake mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
|
| RJ01 | Rejection of invention patent application after publication |