CN107376137A - A kind of high level uses fire-fighting descending lifeline - Google Patents
A kind of high level uses fire-fighting descending lifeline Download PDFInfo
- Publication number
- CN107376137A CN107376137A CN201710756508.8A CN201710756508A CN107376137A CN 107376137 A CN107376137 A CN 107376137A CN 201710756508 A CN201710756508 A CN 201710756508A CN 107376137 A CN107376137 A CN 107376137A
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- China
- Prior art keywords
- plate
- fixed
- plates
- descending lifeline
- friction
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Classifications
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- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of high level to use fire-fighting descending lifeline, including suspended structure, descending lifeline, chain and safety belt, the descending lifeline includes housing, housing is fixedly arranged in the middle of the dividing plate set before and after two pieces, the sprocket wheel engaged with chain is provided with the middle chamber formed between two pieces of dividing plates, the sprocket wheel is fixed on the middle part of sprocket shaft, the both ends of sprocket shaft are hinged on the both sides outer wall of housing, the front side of the sprocket wheel and rear side are provided with a pair of symmetrically arranged friction rate controlling mechanisms, centrifugal decelerating mechanism is provided with the front cavity that the dividing plate of the front side and the front side outer wall of housing are formed, the centrifugation batten of the centrifugal decelerating mechanism is fixed on sprocket shaft and passed through on the external part of dividing plate of front side.The present invention is meshed by chain with sprocket wheel, slow drop is realized using friction plate friction, while centrifugal decelerating mechanism can prevent sprocket wheel from rotating too fast situation and occurring.
Description
Technical field：
The present invention relates to the technical field of fire-fighting equipment, and fire-fighting descending lifeline is used more particularly, to a kind of high level.
Background technology：
General high-rise building escape device is engaged using the gentle drop pulley structure of rope to realize the mesh from high-rise slow drop
's.During some high level escapes, rope is often polluted by greasy dirt, and it is existing that skidding easily occurs in the gentle drop pulley of rope
As causing the slow drop disabler of the high-rise building escape device, to being damaged in use.
The content of the invention：
The purpose of the present invention is overcome the deficiencies in the prior art, there is provided a kind of high level uses fire-fighting descending lifeline, and it passes through chain
It is meshed with sprocket wheel, slow drop is realized using friction plate friction, while centrifugal decelerating mechanism can prevent sprocket wheel from rotating too fast feelings
Condition occurs.
The present invention solve the technical problem scheme be：
A kind of high level uses fire-fighting descending lifeline, including suspended structure, descending lifeline, chain and safety belt, the descending lifeline to include
Housing, housing are fixedly arranged in the middle of the dividing plate set before and after two pieces, are provided with the middle chamber formed between two pieces of dividing plates
The sprocket wheel engaged with chain, the sprocket wheel are fixed on the middle part of sprocket shaft, and the both ends of sprocket shaft are hinged on the both sides outer wall of housing
On, the front side of the sprocket wheel and rear side are provided with a pair of symmetrically arranged friction rate controlling mechanisms, the dividing plate of the front side and housing
Centrifugal decelerating mechanism is provided with the front cavity that front side outer wall is formed, the centrifugation batten of the centrifugal decelerating mechanism is fixed on sprocket shaft
Through on the external part of the dividing plate of front side.
The friction rate controlling mechanism includes being pressed against the cover plate of sprocket wheel side, is fixed with the first friction plate on cover plate, and first
Friction plate is pressed against on the second friction plate, and the second friction plate is fixed on compression plate, and five are fixed with the outer rim of the compression plate
Individual uniform pole, the top sleeve of pole are socketed with spring in five pawl adjustment plates on pole, the both ends of spring are pressed against respectively
On compression plate and five pawl adjustment plates；Two cover plate, two first friction plates and sprocket wheel are fixed in sprocket shaft by flat key
Portion, the second friction plate, compression plate and the five pawl adjustment plates of the front side are socketed on the half front axle of sprocket shaft, and the of the rear side
Two friction plates, compression plate and five pawl adjustment plates are socketed on the rear semiaxis of sprocket shaft.
The first pilot hole is formed in the middle part of the dividing plate, the outer rim of dividing plate forms five the second uniform pilot holes；
The five pawls adjustment plate includes five claw-plates, and the edge of five claw-plates is fixed with five uniform cylinders, and cylinder forms through hole, institute
Pole sleeve is stated in through hole, one end of spring is pressed against on the end face of cylinder, and cylinder sleeve is in the second pilot hole, five claw-plates
Be fixedly arranged in the middle of lead, the 3rd pilot hole is formed on lead, the lead sleeve is in the first pilot hole；It is described
Compression plate is fixedly arranged in the middle of sleeve pipe, and the external part of sleeve pipe through the 3rd pilot hole is bolted with adjusting nut, and adjusting nut is pressed against
On five claw-plates.
The centrifugal decelerating mechanism also includes the rectangular slab being socketed in centrifugation batten, and the centrifugation batten forms side
The rectangular opening of opening, rectangular channel that is vertical with rectangular opening and communicating is formed on the inside of rectangular opening, one end of the rectangular slab is consolidated
Surely there is the bearing pin of projection, the rectangular slab sleeve is in rectangular opening, and bearing pin sleeve is in rectangular channel；On the front side wall of the housing
Annulus is fixed with, arc skateboard is fixed with the upper inside walls of annulus, the thin end of arc skateboard and the inwall of annulus are tangent, arc
The thick end of slide plate forms bumping square.
Semicircular ring baffle plate is fixed with the inwall of the upper peripheral edge of the two cover plates.
The present invention protrusion effect be：Compared with prior art, it is meshed by chain with sprocket wheel, is rubbed using friction plate
Wipe to realize slow drop, while centrifugal decelerating mechanism can prevent sprocket wheel from rotating too fast situation and occurring.
Brief description of the drawings：
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural representation of the descending lifeline part of the present invention；
Fig. 3 is sectional views of the Fig. 2 on B-B；
Fig. 4 is partial enlarged drawings of the Fig. 2 on A；
The sectional view that Fig. 5 is Fig. 2 on C-C (wherein dotted line circle is the sliding trajectory that centrifuges the outer end of batten 41)；
Fig. 6 is the structural representation of the five pawl adjustment plates of the present invention.
Embodiment：
Embodiment, see as shown in Figures 1 to 6, a kind of high level uses fire-fighting descending lifeline, including suspended structure 11, descending lifeline, chain
Bar 12 and safety belt 13, the descending lifeline include housing 21, and housing 21 is fixedly arranged in the middle of the dividing plate 211 set before and after two pieces,
The sprocket wheel 22 engaged with chain 12 is provided with the middle chamber 201 formed between two pieces of dividing plates 211, the sprocket wheel 22 is fixed
At the middle part of sprocket shaft 23, the both ends of sprocket shaft 23 are hinged on the both sides outer wall of housing 21, and the front side of the sprocket wheel 22 is with after
Side is provided with a pair of symmetrically arranged friction rate controlling mechanisms 3, before the dividing plate 211 of the front side and the front side outer wall of housing 1 are formed
It is provided with centrifugal decelerating mechanism 4 in cavity 202, the centrifugation batten 41 of the centrifugal decelerating mechanism 4 is fixed on before sprocket shaft 23 passes through
On the external part of the dividing plate 211 of side.
Further, stating friction rate controlling mechanism 3 includes being pressed against the cover plate 31 of the side of sprocket wheel 22, is fixed on cover plate 31
There is the first friction plate 32, the first friction plate 32 is pressed against on the second friction plate 33, and the second friction plate 33 is fixed on compression plate 34,
Five uniform poles 35 are fixed with the outer rim of the compression plate 34, the top sleeve of pole 35 in five pawl adjustment plates 37,
Spring 36 is socketed with pole 35, the both ends of spring 36 are pressed up against in the pawl adjustment plate 37 of compression plate 34 and five；Two lid
Plate 31, two first friction plates 32 and sprocket wheel 22 are fixed on the middle part of sprocket shaft 23, the second friction plate of the front side by flat key
33rd, the pawl adjustment plate 37 of compression plate 34 and five is socketed on the half front axle of sprocket shaft 23, the second friction plate 33 of the rear side, is compressed
The pawl adjustment plate 37 of disk 34 and five is socketed on the rear semiaxis of sprocket shaft 23.
Further, the middle part of the dividing plate 211 forms the first pilot hole 2111, the outer rim shaping of dividing plate 211
There are five the second uniform pilot holes 2112；The five pawls adjustment plate 37 includes five claw-plates 371, and the edge of five claw-plates 371 is consolidated
Surely there are five uniform cylinders 372, cylinder 372 forms through hole 3721, and the sleeve of pole 35 is in through hole 3721, spring 36
One end be pressed against on the end face of cylinder 372, the sleeve of cylinder 372 in the second pilot hole 2112, fix by the middle part of five claw-plates 371
There is lead 373, the 3rd pilot hole 3731 is formed on lead 373, the sleeve of lead 373 is in the first pilot hole 2111
It is interior；The compression plate 34 is fixedly arranged in the middle of sleeve pipe 341, and the external part of sleeve pipe 341 through the 3rd pilot hole 3731 is bolted with tune
Whole nut 38, adjusting nut 38 are pressed against on five claw-plates 371.
Further, the centrifugal decelerating mechanism 4 also includes the rectangular slab 42 being socketed in centrifugation batten 41, described
Centrifugation batten 41 forms the rectangular opening 411 of a side opening, and the inner side of rectangular opening 411 forms and phase vertical with rectangular opening 411
Logical rectangular channel 412, one end of the rectangular slab 42 are fixed with the bearing pin 421 of projection, and the sleeve of rectangular slab 42 is in rectangular opening
In 411, the sleeve of bearing pin 421 is in rectangular channel 412；Annulus 112, the upside of annulus 112 are fixed with the front side wall of the housing 1
Arc skateboard 43 is fixed with inwall, the thin end of arc skateboard 43 and the inwall of annulus 112 are tangent, the thick end of arc skateboard 43 into
Type has bumping square 431.
Further, it is fixed with semicircular ring baffle plate 39 on the inwall of the upper peripheral edge of the two cover plates 31.
Operation principle：Frictional force between the first friction plate 32 and the second friction plate 33 of the both sides of sprocket wheel 22 forces sprocket wheel 22
Slowly rotate, so as to realize the slow lifting of chain 12；By rotating adjusting nut 38, five pawl adjustment plates 37 are on dividing plate 211
Sliding, passes through the frictional force for changing the decrement of spring 36 to change between the first friction plate 32 and the second friction plate 33；Work as chain
When wheel speed is too fast, under the influence of centrifugal force, the inwall that rectangular opening 411 is pressed against annulus 112 is stretched out on the head of rectangular slab 42
On, it is then pressed against on the inwall of arc skateboard 43, the stop through arc skateboard 43 can reduce the speed of sprocket wheel 22, work as rectangular slab
42 when going to bumping square 431, rectangular slab 42 not because in Action of Gravity Field retraction rectangular opening 411 (i.e. chain wheel speed or too high,
Centrifugal force or excessive), bumping square 431 can directly force sprocket wheel 22 to stop operating, and when sprocket wheel 22 is gone at the low rotational speed,
During rectangular slab 42 goes to highest point, in the meeting retraction of rectangular slab 42 rectangular opening 411, it thereby may be ensured that sprocket wheel 22 normally turns
It is dynamic.
Embodiment of above is merely to illustrate the present invention, and not to the system of the present invention, the common skill about technical field
Art personnel, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification, thus it is all etc.
Same technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (5)
1. a kind of high level uses fire-fighting descending lifeline, including suspended structure (11), descending lifeline, chain (12) and safety belt (13), it is special
Sign is：The descending lifeline includes housing (21), and housing (21) is fixedly arranged in the middle of the dividing plate (211) set before and after two pieces, institute
State the sprocket wheel (22) for being provided with the middle chamber (201) formed between two pieces of dividing plates (211) and being engaged with chain (12), the sprocket wheel
(22) middle part of sprocket shaft (23) is fixed on, the both ends of sprocket shaft (23) are hinged on the both sides outer wall of housing (21), the chain
Take turns the front side of (22) and rear side is provided with a pair of symmetrically arranged friction rate controlling mechanisms (3), the dividing plate (211) and housing of the front side
(1) centrifugal decelerating mechanism (4), the centrifugation of the centrifugal decelerating mechanism (4) are provided with the front cavity (202) that front side outer wall is formed
Batten (41) is fixed on sprocket shaft (23) and passed through on the external part of dividing plate (211) of front side.
2. a kind of high level according to claim 1 uses fire-fighting descending lifeline, it is characterised in that：The friction rate controlling mechanism (3)
Cover plate (31) including being pressed against sprocket wheel (22) side, the first friction plate (32), the first friction plate are fixed with cover plate (31)
(32) it is pressed against on the second friction plate (33), the second friction plate (33) is fixed on compression plate (34), the compression plate (34)
Five uniform poles (35) are fixed with outer rim, the top sleeve of pole (35) is in five pawl adjustment plates (37), pole (35)
On be socketed with spring (36), the both ends of spring (36) are pressed up against on compression plate (34) and five pawl adjustment plates (37)；Described two
Cover plate (31), two first friction plates (32) and sprocket wheel (22) are fixed on the middle part of sprocket shaft (23) by flat key, the front side
Second friction plate (33), compression plate (34) and five pawl adjustment plates (37) are socketed on the half front axle of sprocket shaft (23), the rear side
The second friction plate (33), compression plate (34) and five pawl adjustment plates (37) be socketed on the rear semiaxis of sprocket shaft (23).
3. a kind of high level according to claim 1 or 2 uses fire-fighting descending lifeline, it is characterised in that：In the dividing plate (211)
Portion forms the first pilot hole (2111), and the outer rim of dividing plate (211) forms five uniform the second pilot holes (2112)；It is described
Five pawl adjustment plates (37) include five claw-plates (371), and the edge of five claw-plates (371) is fixed with five uniform cylinders (372), circle
Post (372) forms through hole (3721), and for pole (35) sleeve in through hole (3721), one end of spring (36) is pressed against circle
On the end face of post (372), for cylinder (372) sleeve in the second pilot hole (2112), five claw-plates (371) are fixedly arranged in the middle of guiding
Post (373), the 3rd pilot hole (3731) is formed on lead (373), lead (373) sleeve is in the first pilot hole
(2111) in；The compression plate (34) is fixedly arranged in the middle of sleeve pipe (341), and sleeve pipe (341) passes through the 3rd pilot hole (3731)
External part is bolted with adjusting nut (38), and adjusting nut (38) is pressed against on five claw-plates (371).
4. a kind of high level according to claim 1 uses fire-fighting descending lifeline, it is characterised in that：The centrifugal decelerating mechanism (4)
Also include the rectangular slab (42) being socketed in centrifugation batten (41), the centrifugation batten (41) forms the rectangular opening of a side opening
(411) rectangular channel (412) that is vertical with rectangular opening (411) and communicating, the rectangular slab, are formed on the inside of rectangular opening (411)
(42) one end is fixed with the bearing pin (421) of projection, and rectangular slab (42) sleeve in rectangular opening (411), insert by bearing pin (421)
It is enclosed in rectangular channel (412)；Annulus (112) is fixed with the front side wall of the housing (1), in the upper inside walls of annulus (112)
Arc skateboard (43) is fixed with, the thin end of arc skateboard (43) and the inwall of annulus (112) are tangent, the thick end of arc skateboard (43)
Form bumping square (431).
5. a kind of high level according to claim 2 uses fire-fighting descending lifeline, it is characterised in that：The two cover plates (31) it is upper
Semicircular ring baffle plate (39) is fixed with the inwall of side outer rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756508.8A CN107376137B (en) | 2017-08-29 | 2017-08-29 | High-rise fire-fighting descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756508.8A CN107376137B (en) | 2017-08-29 | 2017-08-29 | High-rise fire-fighting descent control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107376137A true CN107376137A (en) | 2017-11-24 |
| CN107376137B CN107376137B (en) | 2022-11-08 |
Family
ID=60346475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710756508.8A Active CN107376137B (en) | 2017-08-29 | 2017-08-29 | High-rise fire-fighting descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107376137B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2422979Y (en) * | 2000-04-18 | 2001-03-14 | 周广信 | Escaping rope for saving oneself from high building with acousto-optic alarm |
| CN201949517U (en) * | 2010-12-24 | 2011-08-31 | 浙江宇安消防装备有限公司 | Descent control device |
| CN201959430U (en) * | 2010-12-14 | 2011-09-07 | 深圳职业技术学院 | High-rise escape device |
| WO2015160211A1 (en) * | 2014-04-17 | 2015-10-22 | 소연실 | Descending device |
| CN206081357U (en) * | 2016-08-27 | 2017-04-12 | 绍兴宏润消防器材有限公司 | Fire control is with ware of fleing for one's life that has self -locking function |
| CN206391390U (en) * | 2017-01-10 | 2017-08-11 | 上海市北郊学校 | A kind of high-rise escape slow-lowering device |
-
2017
- 2017-08-29 CN CN201710756508.8A patent/CN107376137B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2422979Y (en) * | 2000-04-18 | 2001-03-14 | 周广信 | Escaping rope for saving oneself from high building with acousto-optic alarm |
| CN201959430U (en) * | 2010-12-14 | 2011-09-07 | 深圳职业技术学院 | High-rise escape device |
| CN201949517U (en) * | 2010-12-24 | 2011-08-31 | 浙江宇安消防装备有限公司 | Descent control device |
| WO2015160211A1 (en) * | 2014-04-17 | 2015-10-22 | 소연실 | Descending device |
| CN206081357U (en) * | 2016-08-27 | 2017-04-12 | 绍兴宏润消防器材有限公司 | Fire control is with ware of fleing for one's life that has self -locking function |
| CN206391390U (en) * | 2017-01-10 | 2017-08-11 | 上海市北郊学校 | A kind of high-rise escape slow-lowering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107376137B (en) | 2022-11-08 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221021 Address after: 102402 330m east of the village committee of liyuandian village, Shilou Town, Fangshan District, Beijing Applicant after: Zhongju Construction Co.,Ltd. Address before: 215000 No. 52, Xin Street, Tong'an Town, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU SHUOYAO ELECTRONIC MATERIAL Co.,Ltd. |
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| GR01 | Patent grant |