CN202866264U - High-rise building integral lifting scaffold anti-falling device - Google Patents

High-rise building integral lifting scaffold anti-falling device Download PDF

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Publication number
CN202866264U
CN202866264U CN201220491017.8U CN201220491017U CN202866264U CN 202866264 U CN202866264 U CN 202866264U CN 201220491017 U CN201220491017 U CN 201220491017U CN 202866264 U CN202866264 U CN 202866264U
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China
Prior art keywords
ratchet
pendulum fork
fork
guide rail
pendulum
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Expired - Lifetime
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CN201220491017.8U
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Chinese (zh)
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马永红
魏章进
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CHENGDU YONGHONG MACHINERY Co Ltd
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CHENGDU YONGHONG MACHINERY Co Ltd
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Abstract

The utility model discloses a high-rise building integral lifting scaffold anti-falling device. A guide rail clamping-down mechanism comprises an anti-falling positioning wheel (2), a ratchet wheel (3), and a swing fork (4). The outer circumference of the anti-falling positioning wheel (2) is provided with dental protrusions (5), the outer circumference of the ratchet wheel (3) is provided with a plurality of protrusions (12) and concave bottoms (13), and all protrusions (12) are inclined towards the same direction of an hour-hand. The swing fork (4) is provided with a normal contact swing head (6) and a clamping-down swing head (7), and the anti-falling positioning wheel (2) and the ratchet wheel (3) are fixed in a coaxial mode and are connected on a seat body in a movable mode. The tail end of the swing fork (4) is fixed on a swing fork shaft (10) and is connected to the seat body in a movable mode. The swing fork (4) is matched with the ratchet wheel (3). One the premise that the device can ensure that normal lifting of a frame body is not influenced, when a scaffold suddenly falls down, the scaffold can automatically trigger an anti-falling function, and the high-rise building integral lifting scaffold anti-falling device has the advantages of being simple in construction, sensitive and reliable, and low in failure rate.

Description

Anti-drop device for high building integrated lift scaffold
Technical field
The utility model relates to the architectural furniture field, especially a kind of falling proof device of highrise building integral hoisting scaffold.
Background technology
Integral hoisting scaffold is the important implement that uses in high-rise and the construction of super highrise building, integral hoisting scaffold mainly comprises guide bracket, guide rail, support body, Hoisting System and control system etc., in its lifting use procedure, as be not provided with falling proof device, when in case the disconnection of elevator loop chain or slippage occur for some reason, the major accident that easily causes support body to fall, for this reason, " a kind of runner drop proof positioning type elevating scaffold and method of work thereof " disclosed among the Chinese patent literature CN101302890B, the cross bar that the interval arranges on guide rail, guide bracket installing can with the anti-fall locating wheel of the cross bar engaged transmission at interval, by between anti-fall locating wheel wheel body and anti-fall locating wheel axle bed, arrangement of clutch being set to realize anti-fall purpose, realized at scaffold in slow lifting and slow decreasing process, but anti-fall locating wheel normal rotation, and suddenly tenesmus of support body produces larger backward rotation speed when can cause anti-fall locating wheel, automatic trigger triggers arrangement of clutch work, make anti-fall locating wheel can not continue backward rotation, anti-fall locating wheel blocks the cross bar at the interval that arranges on the guide rail, prevent that scaffold from continuing to fall, this scheme has solved the fall arrest problem of lifting false work, and realized when suddenly tenesmus, automatically triggering, but the accuracy of manufacture of its arrangement of clutch and automatic trigger requires high, complex structure, product cost is relatively high, and its use is still convenient not.
Summary of the invention
The purpose of this utility model is to provide a kind of anti-drop device for high building integrated lift scaffold, can guarantee not affect under the prerequisite of the normal lifting of support body, when scaffold drops suddenly, automatically trigger anti-fall, novel structure has the advantage of simple structure, easy to maintenance, sensitive reliable, failure rate is low.
The purpose of this utility model is achieved by the following scheme, anti-drop device for high building integrated lift scaffold, include pedestal, guide rail sliding sleeve, guide rail and clamp down on mechanism, guide rail sliding sleeve and guide rail are clamped down on being integrated on the pedestal that mechanism position adapts, and described guide rail is clamped down on mechanism and included anti-fall locating wheel, ratchet, pendulum fork; Anti-fall locating wheel excircle forms useful with prominent with the tooth of guide rail engagement, the ratchet excircle forms some projection and concave bottoms that match with the pendulum fork, and all projections all tilt to same clockwise, the pendulum fork is that an end is arranged with the normal forked member that touches yaw and clamp down on yaw, and inside wall curve smoothing between yaw; Anti-fall locating wheel and coaxial ratchet are fixed in main shaft, are movably connected on the spindle drum of pedestal by main shaft; Pendulum fork-tail end is fixed in the pendulum fork shaft, and the pendulum fork is corresponding to the radial position of anti-fall locating wheel, be movably connected on fork shaft seat on the pedestal by the pendulum fork shaft, and ratchet is between two yaws of pendulum fork; The pendulum fork cooperates with ratchet.
Further program of the utility model is: described pendulum fork cooperates with ratchet and is specially: put the rotation of pitching with ratchet and swing, and the trend that the oriented settling position of pendulum fork resets, when the ratchet one-way rotation is overrun, the pendulum fork swings to the chucking position, clamps down on yaw and snaps in the concave bottom on the ratchet and clamp down on the ratchet rotation.
Further program of the utility model is: described pendulum fork cooperates with ratchet and is specially: described pendulum fork centre-of gravity shift ground is arranged on ratchet with respect to the tiltedly upper position of ground direction, put pitch by the Action of Gravity Field that produces because of eccentric setting reset and often tactile yaw contact with ratchet.Adopt further simplified structure of this scheme, between described pendulum fork shaft and the fork shaft seat spring coil need not be set, resetting of pendulum fork is to rely on the eccentric self-weight reset of pendulum fork, solved that spring is fragile in actual use, and insensitive problem resets.
Further scheme is: be provided with spring coil between described pendulum fork shaft and the fork shaft seat, the action direction of spring coil is with the direction that resets of pendulum fork.Adopt this scheme can further prevent from causing false triggering because the scaffold rising is too fast, damage motor or falling proof device, and can regulate trigger sensitivity.
Further program of the utility model is: described pendulum fork cooperates with ratchet and is specially: be provided with the back-moving spring coil mechanism between described pendulum fork shaft and the fork shaft seat, ratchet when the direction that resets of spring coil drops with scaffold turns to relative, and pendulum fork contacts with ratchet because the elastic force effect of spring coil resets and often touches yaw.Adopt this scheme that pendulum fork and ratchet can be set more flexibly, and can regulate trigger sensitivity.
Further scheme is: described anti-fall locating wheel is five gears, and its excircle forms has evenly spaced five teeth prominent.Adopt ratchet and the actual condition matching degree of this scheme the highest.
Further scheme is: described ratchet is pentacle weel, and its excircle forms evenly spaced five projections, and the ratchet direction of rotation when all projections all descend to scaffold tilts, and has level and smooth ridge face and acute angle depression.Adopt ratchet and the actual condition matching degree of this scheme the highest.
Further scheme is: described pendulum fork vertically sets up epimere by the lateral margin of clamping down on yaw.Adopt this scheme can improve the reliability of this programme, the intensity of enhancing pendulum fork.
Further scheme is: described guide rail sliding sleeve includes four rotator shaped directive wheels, facing each other being coupling in pedestal.Adopt this scheme to make guide rail move up and down by the directive wheel contraint kinematic pair, guide rail can be better and the pedestal collaborative work, is not subjected to the gap affects between guide rail and pedestal, alleviates the impact of the normal outer dip angle of guide rail.
Adopt the anti-drop device for high building integrated lift scaffold of the utility model scheme, during use by built-in fitting or connector firm attachment in the skin body of wall; The support body guide rail makes guide rail move up and down by the directive wheel contraint kinematic pair of this device; Support body guide rail cross bar drives anti-fall locating wheel rotation in the time of when the disconnection of elevator loop chain or slippage occur for some reason support body being fallen, this moment pendulum fork since normal impact of touching between yaw and ratchet projection upspring and clamp down on yaw and snap in a concave bottom on the ratchet to brake, make whole support body firmly be attached on the body of wall, realized that automatic triggering is anti-fall, this utility model novel structure, simple, work is sensitive reliable, failure rate is low does not affect the normal lifting of support body.
Description of drawings
Fig. 1 is scheme of installation of the present utility model;
Fig. 2 is the structural representation of facing of the present utility model;
Fig. 3 is side-looking structural representation of the present utility model;
Fig. 4 is plan structure schematic diagram of the present utility model;
Fig. 5 is the schematic diagram that pendulum fork of the present utility model cooperates with ratchet.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the utility model.
Extremely shown in Figure 5 such as Fig. 1, this anti-drop device for high building integrated lift scaffold, include pedestal 1, guide rail sliding sleeve, guide rail and clamp down on mechanism, guide rail sliding sleeve and guide rail are clamped down on being integrated on the pedestal 1 that mechanism position adapts, the guide rail sliding sleeve includes four directive wheels 15, facing each other being coupling in pedestal 1 consists of contraint kinematic pair and makes guide rail 18 move up and down, and guide rail is clamped down on mechanism and included anti-fall locating wheel 2, ratchet 3, pendulum fork 4; Be specially five gears in anti-fall locating wheel 2 present embodiments, excircle form useful with guide rail on the tooth prominent 5 of cross bar 19 engagements that arrange of interval, anti-fall locating wheel 2 is divided into two axial both sides that are divided into described ratchet 3, and be made into integration, ratchet 3 excircles form to have somely pitches 4 projections that match 12 and concave bottom 13 with pendulum, all projections 12 when all descending to scaffold the inclination of ratchet direction of rotation, and has level and smooth ridge face and acute angle depression, pendulum fork 4 is the forked member that an end is arranged with yaw and lower yaw, upper yaw consists of the normal yaw 6 that touches, lower yaw consists of clamps down on yaw 7, and inside wall curve smoothing between two yaws; Anti-fall locating wheel 2 and the ratchet 3 coaxial main shafts 8 that are fixed in are movably connected on the spindle drum 9 of pedestal 1 by main shaft 8; Pendulum fork 4 tail ends are fixed in pendulum fork shaft 10,4 radial positions corresponding to anti-fall locating wheel 2 of pendulum fork, be movably connected on fork shaft seat 11 on the pedestal 1 by pendulum fork shaft 10, ratchet 3 is between two yaws of pendulum fork 4, be arranged on ratchet 3 with respect to the tiltedly upper position of ground direction to pendulum fork 4 centre-of gravity shifts, pendulum fork 4 resets by the Action of Gravity Field that produces because of eccentric setting, and because of Action of Gravity Field so that often touch yaw and contact with ratchet 3, described ratchet 3 is pentacle weel, its excircle forms evenly spaced five projections 12, ratchet 3 direction of rotation when all projections all descend to scaffold tilt, also namely tilt to normal yaw 6 directions of touching, have level and smooth ridge face and acute angle depression, pendulum fork 4 vertically sets up epimere 17 by a lateral margin of the yaw that works the effect of clamping down on.
In the time of actual the use, with pedestal 1 by the triangle ironware or outreach increase part 20, the triangle ironware is fixed on the body of wall 22, or directly be connected and fixed on wall body built-in fitting, during installation, this device is set on the guide rail 18 first, every group guide rail 2-3, fix the relative installation of this device and wall body built-in fitting or connector, when support body when to promote speed per hour be 136 millimeters-200 millimeters of per minutes the anti-fall cross bar 19 of guide rail drive five gears and ratchet along the rotation of diagram clockwise direction, this moment, ratchet 3 was clockwise, can not brake with pendulum fork 4; When support body decline speed per hour when being 136 millimeters-200 millimeters of per minutes the anti-fall cross bar 19 of guide rail drive five gears and ratchet 3 along the diagram counter rotations, this moment is because ratchet 3 linear velocities very low (max 71.59mm/ divides), upper yaw to pendulum fork 4, namely often touch yaw 6, impact velocity is minimum, so the rotatory inertia that pendulum fork 4 obtains is the very little 4 times yaws of pendulum fork that can not make also, namely clamp down on yaw, it is locked in ratchet to takeoff, and make ratchet 3 teeth clamp down on yaw by pendulum fork 4 smoothly, be implemented in the smooth and easy decline of normal decrease speed; The anti-fall cross bar 19 of support body guide rail drives anti-fall five gears along the diagram counter rotation when causing support body to fall when the disconnection of elevator loop chain or slippage occur for some reason, this moment, pendulum fork 4 was owing to the rotatory inertia that upper yaw is subject to the high speed impact pendulum fork 4 of hook tooth increases, pendulum fork 4 along clockwise direction with lower yaw bullet to the hook tooth root, moment and ratchet 3 brakings, whole support body firmly is attached on the body of wall, has realized that anti-support body falls; After fault is got rid of, only need to be with a bit of distance of support body Integral lifting, the lower yaw of pendulum fork 4 and ratchet 3 are thrown off, and can recover normal lifting.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (8)

1. anti-drop device for high building integrated lift scaffold, include pedestal (1), guide rail sliding sleeve, guide rail and clamp down on mechanism, guide rail sliding sleeve and guide rail are clamped down on being integrated on the pedestal (1) that mechanism position adapts, it is characterized in that: described guide rail is clamped down on mechanism and is included anti-fall locating wheel (2), ratchet (3), pendulum fork (4); Anti-fall locating wheel (2) excircle form useful with the tooth prominent (5) of guide rail engagement, ratchet (3) excircle forms some projection (12) and concave bottoms (13) that match with pendulum fork (4), and all projections (12) all tilt to same clockwise, pendulum fork (4) is that an end is arranged with the normal forked member that touches yaw (6) and clamp down on yaw (7), and inside wall curve smoothing between yaw; The coaxial main shaft (8) that is fixed in of anti-fall locating wheel (2) and ratchet (3) is movably connected on the spindle drum (9) of pedestal (1) by main shaft (8); Pendulum fork (4) tail end is fixed in pendulum fork shaft (10), pendulum fork (4) is corresponding to the radial position of anti-fall locating wheel (2), be movably connected on fork shaft seat (11) on the pedestal (1) by pendulum fork shaft (10), and ratchet (3) is positioned at pendulum and pitches between two yaws of (4); Pendulum fork (4) cooperates with ratchet (3).
2. described anti-drop device for high building integrated lift scaffold according to claim 1, it is characterized in that: described pendulum fork (4) cooperates with ratchet (3) and is specially: put and pitch (4) and swing with the rotation of ratchet (3), and pendulum fork (4) has the trend that resets to settling position, when ratchet (3) when one-directional rotation is overrun, pendulum fork (4) swings to the chucking position, clamps down on yaw (7) and snaps in the concave bottom on the ratchet (3) and clamp down on ratchet (3) rotation.
3. described anti-drop device for high building integrated lift scaffold according to claim 1, it is characterized in that: described pendulum fork (4) cooperates with ratchet (3) and is specially: described pendulum fork (4) centre-of gravity shift ground is arranged on ratchet (3) with respect to the tiltedly upper position of ground direction, put pitch (4) reset by the Action of Gravity Field that produces because of eccentric setting and often tactile yaw (6) contact with ratchet (3).
4. described anti-drop device for high building integrated lift scaffold according to claim 3, it is characterized in that: also be provided with spring coil between described pendulum fork shaft (10) and the fork shaft seat (11), the action direction of spring coil is with the direction that resets of pendulum fork.
5. described anti-drop device for high building integrated lift scaffold according to claim 1, it is characterized in that: described pendulum fork (4) cooperates with ratchet (3) and is specially: be provided with the back-moving spring coil mechanism between described pendulum fork shaft (10) and the fork shaft seat (11), ratchet (3) when the direction that resets of spring coil drops with scaffold turns to relative, and pendulum fork (4) contacts with ratchet (3) because the elastic force effect of spring coil resets and often touches yaw (6).
6. according to claim 1 to 5 described arbitrary anti-drop device for high building integrated lift scaffolds, it is characterized in that: described ratchet (3) is pentacle weel, its excircle forms evenly spaced five projections (12), ratchet (3) direction of rotation when all projections all descend to scaffold tilts, and has level and smooth ridge face and acute angle depression.
7. according to claim 1 to 5 described arbitrary anti-drop device for high building integrated lift scaffolds, it is characterized in that: pendulum fork (4) vertically sets up epimere (17) by the lateral margin of clamping down on yaw (7).
8. according to claim 1 to 5 described arbitrary anti-drop device for high building integrated lift scaffolds, it is characterized in that: the guide rail sliding sleeve includes four rotator shaped directive wheels (15), facing each other being coupling in pedestal (1).
CN201220491017.8U 2012-09-25 2012-09-25 High-rise building integral lifting scaffold anti-falling device Expired - Lifetime CN202866264U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103526920A (en) * 2013-11-04 2014-01-22 江苏申锡建筑机械有限公司 Closeable and openable guide base of attached lifting scaffold
CN103821344A (en) * 2014-03-10 2014-05-28 成都嘉泽正达科技有限公司 Attached functional integration supporting seat
CN104234403A (en) * 2014-06-24 2014-12-24 武汉天蝎建筑装备有限公司 Ratchet type anti-falling device
CN108516358A (en) * 2018-03-19 2018-09-11 中国神华能源股份有限公司 Spiral arm anti-fall device and screw unloader
CN109098427A (en) * 2018-08-03 2018-12-28 四川省第六建筑有限公司 Raise scaffold falls the controllable anti-fall runner of maximum speed
CN109184176A (en) * 2018-08-03 2019-01-11 四川省第六建筑有限公司 Anti-fall runner on catching device
CN111946045A (en) * 2020-07-08 2020-11-17 深圳市特辰科技股份有限公司 Ratchet wheel positioning anti-falling climbing frame
CN112376883A (en) * 2020-11-17 2021-02-19 浙江铠甲建筑科技有限公司 Automatic climbing device for scaffold
CN113175204A (en) * 2021-05-20 2021-07-27 昆明玺唤科技有限公司 Method for automatically preventing attached lifting scaffold from falling
CN113979302A (en) * 2021-10-20 2022-01-28 国网河北省电力有限公司物资分公司 Stabilizing device for full-automatic traveling crane assembly
CN114941425A (en) * 2022-06-01 2022-08-26 广西精通可立德工程科技有限公司 Gear swing block type wall-attached support

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103526920A (en) * 2013-11-04 2014-01-22 江苏申锡建筑机械有限公司 Closeable and openable guide base of attached lifting scaffold
CN103821344A (en) * 2014-03-10 2014-05-28 成都嘉泽正达科技有限公司 Attached functional integration supporting seat
CN103821344B (en) * 2014-03-10 2016-02-10 成都嘉泽正达科技有限公司 Attaching function integration supporting base
CN104234403A (en) * 2014-06-24 2014-12-24 武汉天蝎建筑装备有限公司 Ratchet type anti-falling device
CN108516358A (en) * 2018-03-19 2018-09-11 中国神华能源股份有限公司 Spiral arm anti-fall device and screw unloader
CN109098427B (en) * 2018-08-03 2023-08-29 华西工程科技(深圳)股份有限公司 Lifting scaffold falling maximum speed controllable anti-falling runner
CN109098427A (en) * 2018-08-03 2018-12-28 四川省第六建筑有限公司 Raise scaffold falls the controllable anti-fall runner of maximum speed
CN109184176A (en) * 2018-08-03 2019-01-11 四川省第六建筑有限公司 Anti-fall runner on catching device
CN109184176B (en) * 2018-08-03 2021-04-13 华西工程科技(深圳)股份有限公司 Anti-falling runner for anti-falling device
CN111946045A (en) * 2020-07-08 2020-11-17 深圳市特辰科技股份有限公司 Ratchet wheel positioning anti-falling climbing frame
CN112376883A (en) * 2020-11-17 2021-02-19 浙江铠甲建筑科技有限公司 Automatic climbing device for scaffold
CN113175204B (en) * 2021-05-20 2023-02-28 昆明玺唤科技有限公司 Method for automatically preventing attached lifting scaffold from falling
CN113175204A (en) * 2021-05-20 2021-07-27 昆明玺唤科技有限公司 Method for automatically preventing attached lifting scaffold from falling
CN113979302A (en) * 2021-10-20 2022-01-28 国网河北省电力有限公司物资分公司 Stabilizing device for full-automatic traveling crane assembly
CN113979302B (en) * 2021-10-20 2023-06-02 国网河北省电力有限公司物资分公司 Stabilizing device for full-automatic driving assembly
CN114941425A (en) * 2022-06-01 2022-08-26 广西精通可立德工程科技有限公司 Gear swing block type wall-attached support

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Granted publication date: 20130410