CN108553770A - A kind of radial compaction ramp-down device - Google Patents
A kind of radial compaction ramp-down device Download PDFInfo
- Publication number
- CN108553770A CN108553770A CN201810209802.1A CN201810209802A CN108553770A CN 108553770 A CN108553770 A CN 108553770A CN 201810209802 A CN201810209802 A CN 201810209802A CN 108553770 A CN108553770 A CN 108553770A
- Authority
- CN
- China
- Prior art keywords
- turntable
- rope
- radial compaction
- idler wheel
- compressing member
- 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
Links
- 238000005056 compaction Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
A kind of radial compaction ramp-down device of the present invention, it is characterised in that:Including rack, rope and radial compaction mechanism, the rope passes through the radial compaction mechanism, the radial compaction mechanism includes turntable and compressing member, and the compressing member is chain structure, including carrier bar and idler wheel, the carrier bar is hinged successively, the idler wheel is articulated between the carrier bar of both sides, and the compressing member both ends are fixed, and are set to the turntable periphery, the rope, the idler wheel is passed through to suppress turntable described in the rope contact between the turntable and the compressing member;For the turntable when being rolled on the rope, the rope drives the idler wheel rotation.With simple in structure, abrasion is small, and heat production is few, securely and reliably, advantage with long service life.
Description
Technical field
The present invention relates to machinery equipment field, and in particular to ramp-down device.
Background technology
As China's city size speed expands, the living environment of people turns to based on high-rise building substantially.And
The density of population is higher and higher, and especially in public places, a high-rise building disaster accident especially fire incident is likely to result in greatly
The casualties of amount.And rescue run measure extremely lags, almost at the bottleneck project for being difficult to crack.
Fire substantially not ad hoc on the skyscraper in China, rescuing device for earthquake at present, when fire, earthquake etc. can not
When drag occurs, elevator will be forbidden to use, and Fire lift can only provide fireman reluctantly or delivery fire-fighting equipment uses, largely
Personnel be only capable of going downstairs by escape stair walking, evacuation speed slowly and order be unable to control.In addition, the pregnant equal spies of the old,weak,sick and disabled
Different crowd is very inconvenient using escape stair, and tread event easily occurs, causes casualties.
Skyscraper on the market evacuates escape device at present, and it is soft to be broadly divided into descending lifeline (case), escaping rope, escape
Ladder, slow drop umbrella, slideway etc..Above-mentioned apparatus is mostly to be hung on the positions such as external wall or balcony outside open or semi-open form,
Interim use is opened when emergency occurs.The especially ramp-down device of turntable and rope structure, since its is simple in structure, operation
It is convenient, it has a wide range of applications.The ramp-down device of the structure is also extensively used for outdoor prompt drop activity, the necks such as outdoor rescue
Domain.
But the existing ramp-down device of the structure, wherein compressing member are generally pressing plate, the radial direction along turntable directly acts on
On rope, in order to have enough stiction between rope and turntable, the contact area of increase rope and turntable can be passed through
It realizes, compressing member then uses arc pressuring plate at this time, can also increase frictional force by increasing the pressure of compressing member.No matter logical
Which kind of above-mentioned mode is crossed to ensure the stiction between rope and turntable, is had the following problems always:1, in ramp-down device liter
During drop, there are force of sliding frictions between compressing member and rope, and the force of sliding friction and stiction pass in direct ratio
On the one hand the presence of system, the force of sliding friction will produce a large amount of heat, there are security risks, on the other hand rub for a long time,
Rope and compressing member can be made constantly to wear, equally exist security risk.2, compressing member is usually fixed, with usage time
Increase, compressing member is constantly worn, and pressure reduces, on the one hand stiction drops the heavy burden ability of ramp-down device also with reduction
Low, on the other hand there is also the risks that stiction is mutated into force of sliding friction.
Therefore, how existing ramp-down device is improved, so that it is overcome the problems, such as above-mentioned, be art technology
Personnel's problem urgently to be resolved hurrily.
Invention content
The main purpose of the present invention is to provide a kind of simple in structure, abrasion is small, and heat production is few, securely and reliably, service life
Long radial compaction ramp-down device.
To achieve the above objectives, the technical solution adopted by the present invention is:A kind of radial compaction ramp-down device, feature exist
In:Including rack, rope and radial compaction mechanism, the rope passes through the radial compaction mechanism, the radial compaction mechanism
Including turntable and compressing member, the compressing member is chain structure, including carrier bar and idler wheel, and the carrier bar is hinged successively, the rolling
Wheel be articulated between the carrier bar of both sides, the compressing member both ends are fixed, and are set to the turntable periphery, the turntable and
The rope, the idler wheel is passed through to suppress turntable described in the rope contact between the compressing member;The turntable is in the rope
When being rolled on rope, the rope drives the idler wheel rotation.
Preferably, the compressing member along the turntable in circumferential direction about in the turntable periphery, multiple rollings
Wheel suppresses turntable described in the rope contact.
As an improvement, the compressing member at least one end is provided with regulating part, the regulating part include adjusting rod, mounting base and
Adjusting nut, described adjusting rod one end are articulated with the compressing member end, and the adjusting rod is vertically slideably positioned in institute
It states in mounting base, the mounting base fixed setting, the adjusting nut is threadedly connected to the adjusting rod, the adjusting nut position
Above the mounting base, the downslide for limiting the adjusting rod;The adjusting nut is in the different positions of the adjusting rod
It sets, for adjusting the distance between the idler wheel and the turntable.
As important component, arrestment mechanism is additionally provided on the adjusting rod, the arrestment mechanism includes handle and rotation
Platform, the turntable are fixedly installed in the rack, and the handle front end is flexibly connected the adjusting rod other end, the hand
Handle stage casing is articulated on the turntable;The handle rear end is pressed, the adjusting rod upward sliding can be made.
As an improvement, the turntable includes inner disc and external disk, the external disk is fixedly installed on the inner disc both sides and is higher than
The inner disc, inner disc periphery undulate, the wave crest of inner disc described in the rope contact, and the idler wheel axle center and described
The line of disk axes passes through wave crest;The outer surface of the idler wheel is in recessed arc.
It is further improved, is further fixedly arranged in the rack and leads lock station, the lock station of leading is located at the radial compaction machine
Above structure and it is directed at radial compaction mechanism center, the rope leads lock station across described;It is also fixed in the rack
It is provided with handle.
Compared with prior art, the present invention has the following advantages:
1, the use of compressing member chain structure, and idler wheel is rotary, by the cunning between original compressing member and rope
Dynamic friction is transformed to rolling friction, remote in order to reach identical maximum static friction force, force of rolling friction between rope and turntable
Less than force of sliding friction, to realize that rope and compressing member wear smaller, the heat of generation is also less.
2, compressing member along turntable in circumferential direction about in turntable periphery, since the compressing member of chain structure can be freely curved
Song allows multiple idler wheels to suppress rope contact turntable simultaneously, on the one hand can generate the pressure of bigger, to increase rope and turn
On the other hand maximum static friction force between disk makes the frictional force between rope and compressing member be distributed to multiple points, reduce single
The load of idler wheel, and there is gap between idler wheel, it can preferably radiate, use is more safe and reliable.
3, due to compressing member be chain structure, can be freely bent, thus can by regulating part adjust idler wheel and
The distance between turntable adjusts the pressure of compressing member, adjusted to carry out maximum bear a heavy burden;In the long-term use, it compresses
Mechanism and rope have abrasion, can also be adjusted by regulating part, it is made to keep the loading weight of safety.
4, under external disk and idler wheel outer surface concave arc shape setting, be avoided that rope sideslip is even detached from, that improves mechanism can
By property;The inner disc corrugated setting in periphery makes its periphery have a Wave crest and wave trough, and multiple wave crests contact ropes, trough and rope it
Between have gap, make mechanism heat dissipation it is better;The setting of concave arc shape under idler wheel outer surface, moreover it is possible to increase the base of rope and idler wheel
Plinth area, identical in pressure, the pressure smaller that rope receives reduces the deformation of rope, also improves mechanism
Reliability.
5, the setting of arrestment mechanism, can decrease speed it is too fast when, carry out pushing braking, ensure that ramp-down device will not be under high speed
It falls, improves the safety of device;In addition prior effect is that operating personnel can be controlled by the arrestment mechanism moment to arrestment mechanism
The decrease speed of ramp-down device processed achievees the purpose that land safely.
6, leading the setting of lock station can make rope remain center, play the role of balance and stability;The setting side of handle
Convenient to operate personnel capture.
Description of the drawings
Fig. 1 is dimensional structure diagram according to a preferred embodiment of the present invention;
Fig. 2 is explosive view according to a preferred embodiment of the present invention;
Fig. 3 is the explosive view of turntable according to a preferred embodiment of the present invention;
Fig. 4 is the explosive view of compressing member middle according to a preferred embodiment of the present invention;
Fig. 5 is the contact structures schematic diagram of middle according to a preferred embodiment of the present invention rope, inner disc and idler wheel;
Fig. 6 is the side view of idler wheel middle according to a preferred embodiment of the present invention.
Specific implementation mode
It is described below for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in figs. 1 to 6, a preferred embodiment of the invention includes rack 1, rope 2 and radial compaction mechanism 4,
It includes turntable 41 and compressing member 42 that rope 2, which passes through radial compaction mechanism 4, radial compaction mechanism 4, and carrier bar 421 is hinged successively, idler wheel
422 are articulated between the carrier bar 421 of both sides, and 42 both ends of compressing member are fixed, and compressing member 42 along turntable in circumferential direction about in
41 periphery of turntable, passes through rope 2, multiple idler wheels 422 to suppress rope 2 and contact turntable 41 between turntable 41 and compressing member 42;Turntable
41 on rope 2 when rolling, and rope 2 drives idler wheel 422 to rotate.
In addition, 42 one end of compressing member is provided with regulating part 43, regulating part 43 includes adjusting rod 431, mounting base 432 and adjusts
Nut 433,431 one end of adjusting rod are articulated with 42 end of compressing member, and adjusting rod 431 is vertically slideably positioned in mounting base
On 432, mounting base 432 is fixedly installed, and adjusting nut 433 is threadedly connected to adjusting rod 431, and adjusting nut 433 is located at mounting base
432 tops, the downslide for limiting adjusting rod 431;Adjusting nut 433 is in the different location of adjusting rod 431, for adjusting rolling
Take turns the distance between 422 and turntable 41.Further specifically, turntable 41 includes inner disc 411 and external disk 412, the fixation of external disk 412 is set
It is placed in 411 both sides of inner disc and is higher than inner disc 411, the peripheral undulate of inner disc 411, rope 2 contacts the wave crest of inner disc 411, and rolls
The line a for taking turns 41 axle center of 422 axle center and turntable passes through wave crest;The outer surface of idler wheel 422 is in recessed arc.
In order to increase safety, arrestment mechanism 5 is additionally provided on adjusting rod 431, arrestment mechanism 5 includes handle 51 and rotation
Platform 52, turntable 52 are fixedly installed in rack 1, and 51 front end of handle is flexibly connected 431 other end of adjusting rod, 51 stage casing of handle hinge
It is connected on turntable 52;By 51 rear end of lower handle, 431 upward sliding of adjusting rod can be made.
It improves as an optimization, is further fixedly arranged in rack 1 and leads lock station 6, lead lock station 6 and be located at 4 top of radial compaction mechanism
And 4 center of alignment radial compaction mechanism, rope 2 pass through and lead lock station 6;Handle 7 is further fixedly arranged in rack 1.
In practicality operation, adjusting rod 431 can mark corresponding weight scale, can adjust and adjust according to load weight
Nut 433 makes lifting gear overall weight be slightly larger than the maximal friction of radial compaction mechanism 4 and rope 2.In the process of decline
In, control arrestment mechanism 5, real-time control decrease speed.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of radial compaction ramp-down device, it is characterised in that:Including rack, rope and radial compaction mechanism, the rope is worn
The radial compaction mechanism is crossed, the radial compaction mechanism includes turntable and compressing member, and the compressing member is chain structure, including
Carrier bar and idler wheel, the carrier bar is hinged successively, and the idler wheel is articulated between the carrier bar of both sides, and the compressing member both ends are solid
It is fixed, and be set to the turntable periphery, the rope is passed through between the turntable and the compressing member, described in the idler wheel compacting
Turntable described in rope contact;For the turntable when being rolled on the rope, the rope drives the idler wheel rotation.
2. a kind of radial compaction ramp-down device according to claim 1, it is characterised in that:The compressing member is along the turntable
In circumferential direction about in the turntable periphery, multiple idler wheels suppress turntable described in the rope contact.
3. a kind of radial compaction ramp-down device according to claim 1, it is characterised in that:The compressing member at least one end is set
It is equipped with regulating part, the regulating part includes adjusting rod, mounting base and adjusting nut, and described adjusting rod one end is articulated with the compression
Part end, the adjusting rod are vertically slideably positioned in the mounting base, the mounting base fixed setting, the adjusting
Nut thread is connected to the adjusting rod, and the adjusting nut is located above the mounting base, for limiting the adjusting rod
It glides;The adjusting nut is in the different location of the adjusting rod, for adjust between the idler wheel and the turntable away from
From.
4. a kind of radial compaction ramp-down device according to claim 3, it is characterised in that:It is additionally provided on the adjusting rod
Arrestment mechanism, the arrestment mechanism include handle and turntable, and the turntable is fixedly installed in the rack, the handle
Front end is flexibly connected the adjusting rod other end, and the handle stage casing is articulated on the turntable;The handle rear end is pressed,
It can make the adjusting rod upward sliding.
5. a kind of radial compaction ramp-down device according to Claims 1-4 any claim, it is characterised in that:It is described
Turntable includes inner disc and external disk, and the external disk is fixedly installed on the inner disc both sides and is higher than the inner disc, the inner disc periphery
Undulate, the wave crest of inner disc described in the rope contact, and the line of the idler wheel axle center and the disk axes passes through wave
Peak;The outer surface of the idler wheel is in recessed arc.
6. a kind of radial compaction ramp-down device according to claim 5, it is characterised in that:It is also fixedly installed in the rack
Lock station is led, the lock station of leading is located above the radial compaction mechanism and is directed at radial compaction mechanism center, institute
It states rope and leads lock station across described;It is further fixedly arranged on handle in the rack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810209802.1A CN108553770A (en) | 2018-03-14 | 2018-03-14 | A kind of radial compaction ramp-down device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810209802.1A CN108553770A (en) | 2018-03-14 | 2018-03-14 | A kind of radial compaction ramp-down device |
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CN108553770A true CN108553770A (en) | 2018-09-21 |
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CN201810209802.1A Pending CN108553770A (en) | 2018-03-14 | 2018-03-14 | A kind of radial compaction ramp-down device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112245821A (en) * | 2020-10-16 | 2021-01-22 | 中国直升机设计研究所 | Cable descending device and cable descending method |
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---|---|---|---|---|
CN85202328U (en) * | 1985-06-20 | 1986-08-06 | 孟凡宗 | Friction hoisting mechanism |
CN2262433Y (en) * | 1996-05-01 | 1997-09-17 | 孙景玉 | Escaping device for high-rise buildings |
CN102133457A (en) * | 2011-04-01 | 2011-07-27 | 张一扬 | Controllable safe slowly descending device |
CN203670553U (en) * | 2013-11-11 | 2014-06-25 | 浙江金洲管道工业有限公司 | Brake system of uncoiler |
CN203677766U (en) * | 2014-01-07 | 2014-07-02 | 马鞍山市力翔机械自动化科技有限公司 | Pressure-measurable-type fine adjustment type speed adjusting mechanism of high-rise escape self-help descent control device |
CN104815400A (en) * | 2015-05-04 | 2015-08-05 | 上海海洋大学 | Knapsack type life line |
CN105148417A (en) * | 2015-09-01 | 2015-12-16 | 上海大学 | Speed-adjustable descending device with single handle |
CN205796268U (en) * | 2016-07-01 | 2016-12-14 | 张凯歌 | A kind of highwire escape apparatus |
CN208081671U (en) * | 2018-03-14 | 2018-11-13 | 浙江弘安智能科技有限公司 | A kind of radial compaction ramp-down device |
-
2018
- 2018-03-14 CN CN201810209802.1A patent/CN108553770A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85202328U (en) * | 1985-06-20 | 1986-08-06 | 孟凡宗 | Friction hoisting mechanism |
CN2262433Y (en) * | 1996-05-01 | 1997-09-17 | 孙景玉 | Escaping device for high-rise buildings |
CN102133457A (en) * | 2011-04-01 | 2011-07-27 | 张一扬 | Controllable safe slowly descending device |
CN203670553U (en) * | 2013-11-11 | 2014-06-25 | 浙江金洲管道工业有限公司 | Brake system of uncoiler |
CN203677766U (en) * | 2014-01-07 | 2014-07-02 | 马鞍山市力翔机械自动化科技有限公司 | Pressure-measurable-type fine adjustment type speed adjusting mechanism of high-rise escape self-help descent control device |
CN104815400A (en) * | 2015-05-04 | 2015-08-05 | 上海海洋大学 | Knapsack type life line |
CN105148417A (en) * | 2015-09-01 | 2015-12-16 | 上海大学 | Speed-adjustable descending device with single handle |
CN205796268U (en) * | 2016-07-01 | 2016-12-14 | 张凯歌 | A kind of highwire escape apparatus |
CN208081671U (en) * | 2018-03-14 | 2018-11-13 | 浙江弘安智能科技有限公司 | A kind of radial compaction ramp-down device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112245821A (en) * | 2020-10-16 | 2021-01-22 | 中国直升机设计研究所 | Cable descending device and cable descending method |
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Application publication date: 20180921 |
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