CN105715034A - Anti-falling device for ascending and descending scaffold - Google Patents
Anti-falling device for ascending and descending scaffold Download PDFInfo
- Publication number
- CN105715034A CN105715034A CN201610079767.7A CN201610079767A CN105715034A CN 105715034 A CN105715034 A CN 105715034A CN 201610079767 A CN201610079767 A CN 201610079767A CN 105715034 A CN105715034 A CN 105715034A
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- CN
- China
- Prior art keywords
- fall
- movable contact
- fixture block
- block
- contact block
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention relates to an anti-falling device for an ascending and descending scaffold.The anti-falling device comprises an anti-falling clamping block and a movable contact block fixed to the anti-falling clamping block, a groove is formed in the top end of the anti-falling clamping block, the anti-falling clamping block is fixed to a wall-attached support through a first pin shaft and can rotate around the first pin shaft, the end, extending out of the anti-falling clamping block, of the first pin shaft is provided with a torsion spring, the movable contact block is fixed to the anti-falling clamping block through a second pin shaft and can rotate around the second pin shaft, a compression spring used for making the movable contact block reset is arranged at one side of the movable contact block, a limiting barrier block is arranged at the other side of the movable contact block, the compression spring and the limiting barrier block are both arranged on the anti-falling clamping block, when an ascending and descending scaffold body falls suddenly, ladder gears continuously poke the movable contact block to rotate, the movable contact block drives the anti-falling clamping block to rotate, the corresponding ladder gear is clamped into the groove in the top end of the anti-falling clamping block, the scaffold body is locked, braked and prevented from continuing falling in time, and safety and reliability are guaranteed.
Description
Technical field
The present invention relates to a kind of elevating scaffold anti-fall device, it is adaptable to the security protection of the attachment type raise scaffold of skyscraper periphery construction, it is possible to brake in time when the unexpected dramatic decrease of support body, stop support body to continue to fall, it is ensured that safety.
Background technology
Attachment type raise scaffold owing to having saving steel, save manpower, be not take up tower crane, automatic lifting and the advantage such as safe and reliable, it is widely used in recent years in construction, outer protection as building periphery, it is fixed in building structure by wall-attached supporting seat, drives it to rise or fall by electric block.In the practical application of attachment type raise scaffold, in order to safe and reliable, according to building trade standard, it is necessary to install anti-fall device.No matter attachment type raise scaffold is at applying working condition, or in lifting operating mode, once damaging occurs in the device of bearing load, anti-fall device can play the effect that carrying is anti-fall automatically, has very useful realistic meaning.
Summary of the invention
It is an object of the present invention to provide a kind of simple in construction, cheap, be easily installed, be easy to the swing block type elevating scaffold anti-fall device of Inspection and maintenance.
For solving the problems referred to above, the technical solution used in the present invention is:
A kind of elevating scaffold anti-fall device, it includes anti-fall fixture block and the movable contact block being fixed on described anti-fall fixture block, described anti-fall fixture block top is provided with the groove suitable with the terraced shelves of vertical guide side on elevating scaffold support body, described anti-fall fixture block is fixed on wall-attached supporting seat by the first bearing pin and can rotate around it, the end that described first bearing pin stretches out anti-fall fixture block is provided with the torsion spring for anti-fall card block reset, described movable contact block is fixed on anti-fall fixture block by the second bearing pin and can rotate around the second bearing pin, described movable contact block side is provided with the compression spring for making movable contact block reset, movable contact block opposite side is provided with postioning abutment, described compression spring and postioning abutment are arranged on anti-fall fixture block, described terraced shelves are stirred movable contact block and are rotated, movable contact block drives anti-fall fixture block to rotate.
As preferably, the two ends that described first bearing pin stretches out anti-fall fixture block are equipped with the torsion spring for anti-fall card block reset.
As preferably, described movable contact block is embedded in the cell body that anti-fall fixture block side is arranged, and the second bearing pin is arranged on the cell body riser of cell body both sides.
As preferably, described compression spring one end is fixedly connected in the cell body wall of anti-fall fixture block upper groove body, and the compression spring other end freely suspends.
As preferably, described compression spring one end is fixedly connected on the riser of anti-fall fixture block outer wall, and the compression spring other end freely suspends.
As preferably, described movable contact block is provided with and compresses spring and freely suspend the concave plane that end is connected.
Adopt and have the beneficial effects that produced by technique scheme:
Present configuration is simple, by the first bearing pin, package unit is mounted on wall-attached supporting seat, wall-attached supporting seat is fixed on building structure metope by through-wall bolt, achieve the fixing of anti-fall device and with the separating of elevating scaffold support body, package unit is reasonable in design, easy for installation, with low cost, it is easy to workman's Inspection and maintenance, can use flexibly according to construction requirement, can providing a kind of new design concept for the anti-fall device of attachment type raise scaffold, construction safety and high-efficient homework to elevating scaffold provide useful reference.
Suddenly fall in situation at scaffold support body, the anti-fall fixture block of the present invention and movable contact block have little time to reset under the twisting resistance effect of torsionspring, it is positioned at the next lucky groove phase screens with anti-fall fixture block top of ladder shelves in the vertical guide of scaffold support body side, braking in time, the present invention is ingenious utilizes gravity and weightless conversion to make anti-fall fixture block play automatic drop resistant protective effect when support body rapid decrease, without by external force or manual operation, just safety protection function can be provided for attachment type raise scaffold, guarantee when support body stall is fallen stuck with the terraced shelves in vertical guide, braking in time prevents support body from continuing to fall, guarantee safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the anti-fall fixture block of the embodiment of the present invention 1；
Fig. 4 is the structural representation of the embodiment of the present invention 1 cell body；
Fig. 5 is the structural representation of activity contact block of the present invention；
Fig. 6 is the structural representation of wall-attached supporting seat overhead gage of the present invention；
Fig. 7 is the structural representation of the anti-fall fixture block of the present invention and baffle position relation；
Fig. 8 is the present invention schematic diagram when elevating scaffold support body rising operating mode；
Fig. 9 is the present invention schematic diagram when elevating scaffold support body decline operating mode；
Figure 10 be the present invention when elevating scaffold support body falls suddenly anti-fall fixture block upper groove with ladder shelves phase screens schematic diagram.
Wherein: 1 anti-fall fixture block, 1-1 groove, 1-2 cell body, 1-3 positive stop, 1-4 cell body riser, 1-5 cell body wall, 2 movable contact blocks, 2-1 concave plane, 3 second bearing pins, 4 compression springs, 5 first bearing pins, 6 torsion springs, 7 ladder shelves, 8 vertical guide, 9 risers, 10 wall-attached supporting seats, 11 baffle plates.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing 1-10 and specific embodiment, invention is carried out clear, complete description.
Embodiment 1: as shown in Figure 1, a kind of elevating scaffold anti-fall device, it includes anti-fall fixture block 1 and the movable contact block 2 being fixed on described anti-fall fixture block 1, described anti-fall fixture block 1 is fixed on wall-attached supporting seat 10 by the first bearing pin 5 and can be freely rotatable around the first bearing pin 5, wall-attached supporting seat 10 is fixed in building structure by through-wall bolt, realize the fixing of a whole set of anti-fall device and with the separating of elevating scaffold support body, it is easy to anti-fall device brake in time and do not affect elevating scaffold frame structure, design is simple, mounting or dismounting are convenient and swift, also allow for the examination and maintenance of workmen, greatly facilitate construction operation.
As shown in Figure 3, described anti-fall fixture block 1 adopts steel plate to be cut into, the groove 1-1 that its top is provided with vertical guide 8 side on elevating scaffold support body is uniformly arranged terraced shelves 7 are suitable, the end that described first bearing pin 5 stretches out anti-fall fixture block 1 is equiped with the torsion spring 6 resetted for anti-fall fixture block 1, torsion spring 6 described in the present embodiment is made up of a cylindrically coiled spring, its one end is wound to the first bearing pin 5 and stretches out one end of anti-fall fixture block 1, it is positioned on movable contact block 2 side through anti-fall fixture block 1, then it is wound to the first bearing pin 5 again and stretches out on the other end of anti-fall fixture block 1, the two ends that torsion spring 6 freely stretches out are individually fixed on wall-attached supporting seat, structural design is simple, easy to make, when the work of whole device can be made to use, reset under the twisting resistance effect of torsion spring 6；Described anti-fall fixture block 1 is positioned on the upside of movable contact block 2 and is provided with the compression spring 4 for making movable contact block 2 reset, described compression spring 4 one end is welded on the cell body wall 1-5 of anti-fall fixture block 1 cell body 1-2, compression spring 4 other end freely suspends, compression spring 4 and movable contact block 2 are embedded in cell body 1-2, compression spring 4 can be avoided to be subject to external action and cause unnecessary trouble, also maintenance activity contact block 2 centered position, so that whole device is stable；Anti-fall fixture block 1 bottom Cross section Design is triangle, as shown in Figure 6 and Figure 7, make whole device under rotating around the first bearing pin 5, what the baffle plate 11 on wall-attached supporting seat 10 limited anti-fall fixture block 1 is rotated clockwise angle, when whole device is when the first bearing pin 5 rotational angle is excessive, anti-fall fixture block 1 bottom contacts with the baffle plate 11 on wall-attached supporting seat 10 away from the inclined-plane of vertical guide 8 side, it is to avoid the anglec of rotation is excessive causes rollover, increases processing safety.
As shown in Figures 4 and 5, described movable contact block 2 adopts steel plate to be cut into, it is embedded in the cell body 1-2 that anti-fall fixture block 1 side is arranged, the cell body riser 1-4 of described cell body 1-2 both sides is set with the second bearing pin 3 for fixing movable contact block 2, and movable contact block 2 can rotate around the second bearing pin 3, movable contact block 2 front end is arc or triangle, and the present embodiment is set to oblique triangle structure, and the terraced shelves 7 phase touching being uniformly arranged with vertical guide 8 side is easy at its tip；Described movable contact block 2 is provided with and compresses spring 4 and freely suspend the concave plane 2-1 that end is connected, under elevating scaffold support body rising operating mode, movable contact block 2 rotates counterclockwise, described concave plane 2-1 freely suspends end with compression spring 4 and touches, compression spring 4 generation elastic force under the pressing of cell body wall 1-5 and concave plane 2-1 two plane, movable contact block 2 rotates at its elastic force clockwise under influence, resets under self gravitation effect.
Described anti-fall fixture block 1 is positioned on the downside of movable contact block 2 and is provided with postioning abutment 1-3, movable contact block 2 can be made on the one hand freely rotatable in cell body 1-2, on the other hand for the clockwise anglec of rotation of restraint contact block 2, described terraced shelves 7 are stirred movable contact block 2 front end and are rotated, so that movable contact block 2 drives anti-fall fixture block 1 to rotate clockwise together when the second bearing pin 3 rotates, falling suddenly under reduced gravity situations at support body, ladder shelves 7 are positioned in groove 1-1, braking in time, it is ensured that safe and reliable.
Embodiment 2: as in figure 2 it is shown, as another embodiment, cell body 1-2 can change to riser 9, described compression spring 4 one end is fixedly connected on the riser 9 of anti-fall fixture block 1 outer wall, compression spring 4 other end freely suspends.
The present invention is applied in the anti-fall device of elevating scaffold; wall-attached supporting seat 10 is fixed in building structure by through-wall bolt; package unit is fixed on wall-attached supporting seat 10 by the first bearing pin 5 and can be freely rotatable around the first bearing pin 5; the each seat in the plane of elevating scaffold is equipped with three identical embodiment of the present invention anti-fall devices; can arrange flexibly according to construction requirement; multiple protective, safe and reliable, it is achieved to brake in time when the unexpected dramatic decrease of support body.Under the operating mode that elevating scaffold support body normally uses, as shown in Fig. 1 or 2 states, package unit is in natural place under gravity, is not subject to load.Under elevating scaffold support body rising operating mode, as shown in Figure 8, terraced shelves 7 touching activity contact block 2 front end that elevating scaffold support body vertical guide 8 side is uniformly arranged, whole device is made to rotate counterclockwise around the second bearing pin 3 and the first bearing pin 5, along with vertical guide 8 drives the rising of ladder shelves 7, movable contact block 2 starts to press compression spring 4 until ladder shelves 7 pass through, at this moment compression spring 4 is produced elastic force by compression, after ladder shelves 7 pass through, movable contact block 2 drives anti-fall fixture block 1 to rotate clockwise under the elastic force effect that compression spring 4 is produced by compression, anti-fall position recovery under self gravitation effect, movable contact block 2 does reciprocating action with the next ladder shelves 7 phase touching in vertical guide 8.Under support body decline operating mode, as shown in Figure 9, ladder shelves 7 touching activity contact block 2 front end, movable contact block 2 contacts with postioning abutment 1-3 and rotates clockwise around the second bearing pin 3, and drive anti-fall fixture block 1 to rotate clockwise together around the first bearing pin 5, at this moment the torsion spring 6 on anti-fall fixture block 1 starts to be subject to twisting resistance, after ladder shelves 7 pass through, anti-fall fixture block 1 resets under the elastic force effect of torsion spring 6 together with movable contact block 2, under self gravitation effect, position is restored, and does reciprocating action with the next ladder shelves 7 phase touching in vertical guide 8.
Suddenly fall in situation at support body, elevating scaffold support body is under self gravitation effect, dramatic decrease in short time, the terraced shelves 7 of vertical guide 8 side quickly press downwards the front end of movable contact block 2, movable contact block 2 drives anti-fall fixture block 1 quickly to rotate clockwise together, after upper terraced shelves 7 of vertical guide 8 pass through, support body continues dramatic decrease, as shown in Figure 10, at this moment anti-fall fixture block 1 and movable contact block 2 have little time to reset under the twisting resistance effect of torsion spring 6, the next ladder shelves 7 of vertical guide 8 are locked with the groove 1-1 phase clamping on the top of anti-fall fixture block 1 just, braking in time realizes automatic drop resistant function, assist without manpower or external force, improve the safety and reliability of operation, the prominent pendant of elevating scaffold support body is stoped to continue dramatic decrease, the generation of elevating scaffold falling accident can be avoided, substantially increase the safety of scaffold.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (6)
1. an elevating scaffold anti-fall device, it is characterized in that: it includes anti-fall fixture block (1) and the movable contact block (2) being fixed on described anti-fall fixture block (1), described anti-fall fixture block (1) top is provided with the groove (1-1) suitable with the terraced shelves (7) of vertical guide (8) side on elevating scaffold support body, described anti-fall fixture block (1) is fixed on wall-attached supporting seat (10) by the first bearing pin (5) and above and can rotate around it, the end that described first bearing pin (5) stretches out anti-fall fixture block (1) is provided with the torsion spring (6) resetted for anti-fall fixture block (1), described movable contact block (2) is fixed on anti-fall fixture block (1) by the second bearing pin (3) and above and can rotate around the second bearing pin (3), described movable contact block (2) side is provided with the compression spring (4) for making movable contact block (2) reset, movable contact block (2) opposite side is provided with postioning abutment (1-3), described compression spring (4) and postioning abutment (1-3) are arranged on anti-fall fixture block (1), described terraced shelves (7) are stirred movable contact block (2) and are rotated, movable contact block (2) drives anti-fall fixture block (1) to rotate.
2. a kind of elevating scaffold anti-fall device according to claim 1, it is characterised in that: the two ends that described first bearing pin (5) stretches out anti-fall fixture block (1) are equipped with the torsion spring (6) resetted for anti-fall fixture block (1).
3. a kind of elevating scaffold anti-fall device according to claim 1 and 2, it is characterized in that: described movable contact block (2) is embedded in the cell body (1-2) that anti-fall fixture block (1) side is arranged, and the second bearing pin (3) is arranged on the cell body riser (1-4) of cell body (1-2) both sides.
4. a kind of elevating scaffold anti-fall device according to claim 3, it is characterized in that: described compression spring (4) one end is fixedly connected in the cell body wall (1-5) of anti-fall fixture block (1) upper groove body (1-2), compression spring (4) other end freely suspends.
5. a kind of elevating scaffold anti-fall device according to claim 1, it is characterised in that: described compression spring (4) one end is fixedly connected on the riser (9) of anti-fall fixture block (1) outer wall, and compression spring (4) other end freely suspends.
6. a kind of elevating scaffold anti-fall device according to claim 4 or 5, it is characterised in that: described movable contact block (2) is provided with and compresses spring (4) and freely suspend the concave plane (2-1) that end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079767.7A CN105715034A (en) | 2016-02-05 | 2016-02-05 | Anti-falling device for ascending and descending scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079767.7A CN105715034A (en) | 2016-02-05 | 2016-02-05 | Anti-falling device for ascending and descending scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715034A true CN105715034A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610079767.7A Pending CN105715034A (en) | 2016-02-05 | 2016-02-05 | Anti-falling device for ascending and descending scaffold |
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| CN (1) | CN105715034A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703395A (en) * | 2016-08-24 | 2017-05-24 | 江苏元辰安装集团有限公司 | Anti-falling device of lifting scaffold |
| CN107355069A (en) * | 2017-08-11 | 2017-11-17 | 顾志勇 | A kind of climbing frame falling proof mechanism and the climbing frame falling proof seat in the plane lock based on the mechanism |
| CN109513896A (en) * | 2018-12-20 | 2019-03-26 | 筑梦高科建筑有限公司 | A kind of the climbing frame guide base device and climbing frame of semi-solid-state shaping |
| CN110130630A (en) * | 2019-06-14 | 2019-08-16 | 河北联创永兴模架科技有限公司 | A kind of fission catching device |
| CN110485701A (en) * | 2019-09-04 | 2019-11-22 | 大连双成建筑工程技术有限公司 | A kind of falling protector for attached lifting scaffold and its application method |
| CN111502226A (en) * | 2020-04-24 | 2020-08-07 | 广东洲际钢构有限公司 | Steel structure platform integral lifting device and construction method thereof |
| CN113047601A (en) * | 2021-03-22 | 2021-06-29 | 江苏鑫宸宇建设有限公司 | External wall construction operation platform and construction method thereof |
| CN114658203A (en) * | 2022-04-07 | 2022-06-24 | 天长市安骄金属制品科技有限公司 | Attached scaffold operation panel with prevent weighing down mechanism |
| CN115140680A (en) * | 2021-03-31 | 2022-10-04 | 广东博智林机器人有限公司 | Lifting device |
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| CN204826596U (en) * | 2015-07-31 | 2015-12-02 | 江苏万元模架工程有限公司 | Novel pawl formula prevents weighing down device |
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| CN203755639U (en) * | 2013-12-17 | 2014-08-06 | 辽宁锦翰机械工程有限公司 | Spring bolt type falling protector |
| CN203684637U (en) * | 2014-01-20 | 2014-07-02 | 云南中一重工建筑机械有限公司 | Automatic scaffold locating and anti-falling device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703395A (en) * | 2016-08-24 | 2017-05-24 | 江苏元辰安装集团有限公司 | Anti-falling device of lifting scaffold |
| CN107355069A (en) * | 2017-08-11 | 2017-11-17 | 顾志勇 | A kind of climbing frame falling proof mechanism and the climbing frame falling proof seat in the plane lock based on the mechanism |
| CN109513896A (en) * | 2018-12-20 | 2019-03-26 | 筑梦高科建筑有限公司 | A kind of the climbing frame guide base device and climbing frame of semi-solid-state shaping |
| CN110130630A (en) * | 2019-06-14 | 2019-08-16 | 河北联创永兴模架科技有限公司 | A kind of fission catching device |
| CN110130630B (en) * | 2019-06-14 | 2024-02-02 | 河北联创永兴模架科技有限公司 | Split anti-falling device |
| CN110485701A (en) * | 2019-09-04 | 2019-11-22 | 大连双成建筑工程技术有限公司 | A kind of falling protector for attached lifting scaffold and its application method |
| CN111502226A (en) * | 2020-04-24 | 2020-08-07 | 广东洲际钢构有限公司 | Steel structure platform integral lifting device and construction method thereof |
| CN113047601A (en) * | 2021-03-22 | 2021-06-29 | 江苏鑫宸宇建设有限公司 | External wall construction operation platform and construction method thereof |
| CN115140680A (en) * | 2021-03-31 | 2022-10-04 | 广东博智林机器人有限公司 | Lifting device |
| CN115140680B (en) * | 2021-03-31 | 2024-02-09 | 广东博智林机器人有限公司 | Lifting device |
| CN114658203A (en) * | 2022-04-07 | 2022-06-24 | 天长市安骄金属制品科技有限公司 | Attached scaffold operation panel with prevent weighing down mechanism |
| CN114658203B (en) * | 2022-04-07 | 2023-09-01 | 天长市安骄金属制品科技有限公司 | Attached scaffold operation table with anti-falling mechanism |
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Application publication date: 20160629 |