CN206554489U - A kind of Concentric rotation self-locking type lifting anti-drop device for scaffold - Google Patents
A kind of Concentric rotation self-locking type lifting anti-drop device for scaffold Download PDFInfo
- Publication number
- CN206554489U CN206554489U CN201720211027.4U CN201720211027U CN206554489U CN 206554489 U CN206554489 U CN 206554489U CN 201720211027 U CN201720211027 U CN 201720211027U CN 206554489 U CN206554489 U CN 206554489U
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- CN
- China
- Prior art keywords
- track
- scaffold
- roller bearing
- push pedal
- fall
- 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.)
- Expired - Fee Related
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- Ladders (AREA)
- Movable Scaffolding (AREA)
Abstract
The utility model is related to a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold, including attached wall supporting, resilient supporting unit and rail set on the wall can be fixedly mounted, attached wall supporting is connected with resilient supporting unit, resilient supporting unit is fixedly connected with the anti-fall runner that is provided with and can be meshed with the guide rail ladder of elevating scaffold on roller bearing, roller bearing;The first track is provided with rail set, the sliding block of elevating scaffold can be skidded off and block by being provided with first track, the two ends of roller bearing are also respectively connected with vertical push pedal, and the lower end of push pedal is inclined-plane, and the lower end of push pedal can extend into promotion sliding block in the first track;Opened up in roller bearing and the heterodont of odd number first is provided with the feather key that is provided with and can slide up and down in vertical through hole, through hole, the madial wall of anti-fall runner, the upper and lower ends of feather key are respectively arranged with extends and can block the second heterodont of the first heterodont to inboard.The utility model can avoid Construction of High-rise elevating scaffold falling from high altitude.
Description
Technical field
The utility model is related to building machinery field, and in particular to a kind of Concentric rotation self-locking type lifting scaffold is anti-fall
Device.
Background technology
At present, elevating scaffold be it is a kind of be used for high-rise, the novel complete set construction equipment of the building of fire-protection rating superelevation,
The product once mounting is set up, steel consumption amount is few, be not take up vertical transport equipment, it is artificial using less, easy to operate simple, peace
It is entirely reliable etc., have a good application prospect.As the servicing unit of elevating scaffold, anti-drop device for scaffold ensure that scaffold
Safety in work progress.But it is due to that the catching device stressed member of traditional pin hand cradle is the feather key in valve element, and feather key knot
Structure is smaller, and stress is very big, it is easy to which fracture damage in work progress, so that the safety of elevating scaffold cannot just be protected
Card.
Secondly, domestic existing catching device is mainly made up of runner, support frame, runner shaft, feather key and alignment pin etc..Support
Frame is assembled into one with runner shaft, feather key, runner, by bolt, is fixed on wall-attached supporting seat, and guide rail ladder, which is stirred, to be turned
Wheel, passes through effective ratcheting transmission of anti-fall runner and track ladder, it is ensured that the synchronism of motion.Construction lifting platform can slowly on
Rise or decline, when anti-fall runner stops operating, guide rail cannot move up and down.Easily failure or the braking of present safety device
It is in larger distance, once occur unexpected, it is easy to falling from high altitude is caused, occurs great personnel casualty accidentses.
The content of the invention
The purpose of this utility model is to overcome problems of the prior art that there is provided a kind of Concentric rotation self-locking liter
Anti-drop device for scaffold is dropped, the security of elevating scaffold is improved.
In order to achieve the above object, the utility model is adopted the following technical scheme that:
Including can be fixedly mounted attached wall supporting on the wall, resilient supporting unit and rail set, attached wall supporting and
Resilient supporting unit be connected, resilient supporting unit be fixedly connected be provided with roller bearing, roller bearing can be with elevating scaffold guide rail
The anti-fall runner that ladder is meshed;It is provided with the first track, the first track that be provided with can be along the first track on rail set
The sliding block of the guide rail ladder of elevating scaffold is skidded off and blocks, the two ends of roller bearing are also respectively connected with vertical push pedal, push pedal
Lower end is inclined-plane, and the lower end of push pedal can extend into promotion sliding block in the first track;Opened up in roller bearing in vertical through hole, through hole
It is provided with the feather key that can be slided up and down, the madial wall of anti-fall runner and is provided with the heterodont of odd number first, above and below feather key
Two ends are respectively arranged with the second heterodont to inboard extension;When elevating scaffold drops, the second heterodont can block
One heterodont.
Further, resilient supporting unit includes two spring pedestals on the wall can be fixedly mounted, and spring pedestal leads to
Cross on anti-fall support connection attached wall supporting, spring pedestal and open up the first groove, the two ends of roller bearing are each passed through the first groove, push pedal
It is arranged on the outside of two spring pedestals;The vertical big spring being connected with roller bearing is installed in the first groove.
Further, directive wheel is installed in anti-fall supporting.
Further, the bottom connecting cylinder boss of sliding block, the bottom of the first track is provided with wears for the cylinder boss
The second groove crossed, the rear side of cylinder boss is fixedly connected with rail set by the little spring of level.
Further, push pedal is the Z-type placed vertically.
Further, the first track cross section on rail set is rectangle.
Compared with prior art, the utility model has following beneficial technique effect:
The utility model is a kind of anti-fall device of the elevating scaffold for Construction of High-rise, by set anti-fall runner and
Feather key, when can slowly be lifted and slowly declined in elevating scaffold, leaves feather key enough fall time for, anti-fall turn is not influenceed
The rotation of wheel, the movement of elevating scaffold is not just influenceed yet, when scaffold falls suddenly, and feather key also has little time to decline,
Anti-fall runner will be blocked, anti-fall runner is stopped operating, then the whole support body of scaffold is pressed on anti-fall runner and roller bearing, and then will be rolled
Axle drives push pedal downwards, and sliding block is released the first track by the inclined-plane of push pedal lower end, withstands the support body of scaffold, and support body just stops pendant
Fall.The firm stabilization of the utility model device, braking distance is short, is prevented effectively from working Construction of High-rise self-lifting scaffold at present and sets up
Standby, in using or lifting running, the defect that safety device easily fails or braking distance is larger prevents what is surprisingly caused
Falling from high altitude, reduces personnel casualty accidentses.
Further, the utility model is by setting directive wheel, for limiting the direction of improvement of scaffold guide rail bracket, realizes
Platform is more stably lifted.
Further, the utility model can reset sliding block by setting cylinder boss and little spring, easy to operate.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the utility model use state figure.
1- attached walls are supported;2- push pedals;3- rail sets;The anti-fall supportings of 4-;5- directive wheels;The anti-fall runners of 6-;7- feather keys;8-
Roller bearing;9- big springs;10- spring pedestals;11- sliding blocks;12- little springs;The tracks of 13- second.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.In the utility model to install and use during
It is inboard close to the side of wall, only for more clearly describing the utility model, rather than limits of the present utility model.
Referring to Fig. 1 and Fig. 2, the attached wall that the utility model includes being fixedly mounted on the wall supports 1, resilient support dress
Put and be connected with rail set 3, attached wall supporting 1 with resilient supporting unit, resilient supporting unit, which is fixedly connected on roller bearing 8, roller bearing 8, pacifies
Equipped with the anti-fall runner 6 that can be meshed with the guide rail ladder of elevating scaffold.Opened up in roller bearing 8 in vertical through hole, through hole
Be provided with the feather key 7 that can be slided up and down, the madial wall of anti-fall runner 6 and be provided with the heterodont of odd number first, feather key 7 it is upper
Lower two ends are respectively arranged with the second heterodont to inboard extension;When elevating scaffold drops, the second heterodont can be blocked
First heterodont.
Resilient supporting unit includes two spring pedestals 10 on the wall can be fixedly mounted, and spring pedestal 10 is by anti-fall
Supporting 4 connects and opens up the first groove on attached wall supporting 1, spring pedestal 10, and the two ends of roller bearing 8 are each passed through the first groove, push pedal 2
It is arranged on the outside of two spring pedestals 10;The vertical big spring 9 being connected with roller bearing 8 is installed in first groove.
Directive wheel 5 is installed in anti-fall supporting 4.
The first track is provided with rail set 3, the first track cross section is rectangle.Being provided with first track can
The sliding block 11 of the guide rail ladder of elevating scaffold is skidded off and blocked along the first track, and the two ends of roller bearing 8 have been also respectively connected with vertically
Push pedal 2, push pedal 2 is the Z-type placed vertically and lower end is inclined-plane, and the lower end of push pedal 2 can extend into promote in the first track and slide
Block 11.The bottom connecting cylinder boss of sliding block 11, the bottom of the first track is provided with second passed through for the cylinder boss and led to
Groove, the rear side of cylinder boss is fixedly connected with rail set 3 by the little spring 12 of level, and little spring 12 can answer sliding block 11
Position.
The rigidity of big spring 9 is much larger than little spring 12 in the utility model.
The rotary-type anti-fall device of the utility model uses Concentric rotation self-lock mechanism, and key step and principle include:
Referring to Fig. 3, the anti-fall runner 6 on bearing is designed to gear shape, the second track 13 of elevating scaffold is designed
Into ladder rack steel latch structure, when elevating scaffold is slowly lifted and slowly declined, the external tooth of anti-fall runner 6 on roller bearing 8 is ratcheting
The guide rail ladder of elevating scaffold, guide rail ladder drives anti-fall runner 6 slowly to rotate, from device left side, the anti-fall inner side of runner 6
The first heterodont arrange clockwise, could be arranged to five;When support body slowly rises, the anti-fall rotate counterclockwise of roller 6, feather key
7 move upwards under the promotion of first heterodont of the anti-fall inner side of runner 6, and are resetted downwards in the presence of self gravitation, so
Repeating motion up and down, feather key 7 will not be blocked mutually with heteromorphic teeth in anti-fall roller 6, and anti-fall ratcheting second track 13 of runner 6 is led
Rail ladder is up and down freely.If scaffold falls suddenly in lifting, the ladder on guide rail drives anti-fall runner 6 anti-
To rotation, and velocity of rotation is accelerated, the second heterodont of lower end of feather key 7 jack-up by the first heterodont collision in anti-fall runner 6,
Also have little time to decline, the second heterodont of upper end is blocked by the first heterodont of anti-fall runner 6 with that, and anti-fall runner 6 stops
Rotate, the external tooth of anti-fall runner 6 blocks the ladder on the second track 13, and the bottom of the catching device axis of rolling 8 has big spring 9 to support, together
When the two ends of roller bearing 8 fix the push pedals 2 of two Z-types, there are the first track of a cuboid, the first track interior in the lower end of push pedal 2
Place a rectangular parallelepiped sliders 11;When the anti-fall external tooth of runner 6 blocks the guide rail ladder on the second track, in huge support body weight
Under power effect, the big spring 9 of supporting rotating shaft is compressed, and push pedal 2 is moved down, and promotes the sliding block 11 in the first track to reach
Dynamic, sliding block 11 is moved in support body track ladder, withstands support body, and support body just stops falling.After anti-fall work is completed, lifting foot
Hand cradle rises a small distance, the cylinder boss stretched out by the bottom of sliding block 11 and the little spring 12 connected thereon, makes sliding block 11
Reset, now elevating scaffold can be moved up and down freely again.
Claims (6)
1. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold, it is characterised in that:Including can be fixedly mounted on the wall
Attached wall supporting (1), resilient supporting unit and rail set (3), attached wall supporting (1) is connected with resilient supporting unit, elastic to prop up
Support arrangement is fixedly connected with anti-fall turn that is provided with and can be meshed with the guide rail ladder of elevating scaffold on roller bearing (8), roller bearing (8)
Take turns (6);It is provided with to be provided with the first track, the first track on rail set (3) and liter can be skidded off and blocked along the first track
The sliding block (11) of the guide rail ladder of scaffold drops, and the two ends of roller bearing (8) are also respectively connected with vertical push pedal (2), push pedal (2)
Lower end is inclined-plane, and the lower end of push pedal (2) can extend into promotion sliding block (11) in the first track;Open up vertical in roller bearing (8)
It is provided with through hole, through hole on the feather key (7) that can be slided up and down, the madial wall of anti-fall runner (6) and is provided with odd number first
Heterodont, the upper and lower ends of feather key (7) are respectively arranged with the second heterodont to inboard extension;When elevating scaffold drops,
Second heterodont can block the first heterodont.
2. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold according to claim 1, it is characterised in that:Elasticity branch
Support arrangement includes two spring pedestals (10) on the wall can be fixedly mounted, and spring pedestal (10) is connected by anti-fall supporting (4)
It is attached on wall supporting (1), spring pedestal (10) and opens up the first groove, the two ends of roller bearing (8) is each passed through the first groove, push pedal
(2) it is arranged on the outside of two spring pedestals (10);The vertical big spring being connected with roller bearing (8) is installed in the first groove
(9)。
3. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold according to claim 2, it is characterised in that:Anti-fall branch
Hold and directive wheel (5) is installed on (4).
4. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold according to claim 1, it is characterised in that:Sliding block
(11) bottom connecting cylinder boss, the bottom of the first track is provided with the second groove passed through for the cylinder boss, cylinder
The rear side of boss is fixedly connected with rail set (3) by the little spring (12) of level.
5. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold according to claim 1, it is characterised in that:Push pedal
(2) Z-type to place vertically.
6. a kind of Concentric rotation self-locking type lifting anti-drop device for scaffold according to claim 1, it is characterised in that:Track is filled
It is rectangle to put the first track cross section on (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720211027.4U CN206554489U (en) | 2017-03-06 | 2017-03-06 | A kind of Concentric rotation self-locking type lifting anti-drop device for scaffold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720211027.4U CN206554489U (en) | 2017-03-06 | 2017-03-06 | A kind of Concentric rotation self-locking type lifting anti-drop device for scaffold |
Publications (1)
Publication Number | Publication Date |
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CN206554489U true CN206554489U (en) | 2017-10-13 |
Family
ID=60362478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720211027.4U Expired - Fee Related CN206554489U (en) | 2017-03-06 | 2017-03-06 | A kind of Concentric rotation self-locking type lifting anti-drop device for scaffold |
Country Status (1)
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CN (1) | CN206554489U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109339430A (en) * | 2018-09-27 | 2019-02-15 | 鼎宸建设管理有限公司 | A kind of climbing frame reverses safeguard construction to external extension |
CN110056178A (en) * | 2018-01-17 | 2019-07-26 | 深圳市中升建科科技发展有限公司 | A kind of attachment type raise scaffold guide rail |
CN110528859A (en) * | 2019-08-07 | 2019-12-03 | 深圳市特辰科技股份有限公司 | A kind of climbing frame of runner triggering cam catching device |
CN110056178B (en) * | 2018-01-17 | 2024-06-04 | 深圳市中升建科科技发展有限公司 | Attached lifting scaffold guide rail |
-
2017
- 2017-03-06 CN CN201720211027.4U patent/CN206554489U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110056178A (en) * | 2018-01-17 | 2019-07-26 | 深圳市中升建科科技发展有限公司 | A kind of attachment type raise scaffold guide rail |
CN110056178B (en) * | 2018-01-17 | 2024-06-04 | 深圳市中升建科科技发展有限公司 | Attached lifting scaffold guide rail |
CN109339430A (en) * | 2018-09-27 | 2019-02-15 | 鼎宸建设管理有限公司 | A kind of climbing frame reverses safeguard construction to external extension |
CN110528859A (en) * | 2019-08-07 | 2019-12-03 | 深圳市特辰科技股份有限公司 | A kind of climbing frame of runner triggering cam catching device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200306 |