CN113250437A - Anti-falling device for attached scaffold - Google Patents
Anti-falling device for attached scaffold Download PDFInfo
- Publication number
- CN113250437A CN113250437A CN202110676969.0A CN202110676969A CN113250437A CN 113250437 A CN113250437 A CN 113250437A CN 202110676969 A CN202110676969 A CN 202110676969A CN 113250437 A CN113250437 A CN 113250437A
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- Prior art keywords
- falling
- connecting rod
- plate
- lower connecting
- wheel
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- 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
-
- 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
- E04G5/002—Protections or covers for scaffolding connections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
Abstract
The invention discloses an anti-falling device for an attached scaffold, which comprises a frame body, an anti-falling wheel and an anti-falling assembly, wherein the anti-falling wheel is rotatably arranged on the frame body; the first anti-falling mechanism comprises a first anti-falling plate and a first anti-falling structure which are slidably arranged in the frame body; the anti-falling mechanism II comprises an anti-falling plate II and an anti-falling structure II which are slidably arranged in the frame body; the anti-falling mechanism is arranged on the frame body, and can be used for preventing falling of a scaffold at the same time, when one anti-falling mechanism is damaged due to impact of a violent force, the other anti-falling mechanism can still have an anti-falling function, and the safety is greatly improved.
Description
Technical Field
The invention relates to the field of scaffolds, in particular to an anti-falling device for an attached scaffold.
Background
The attached lifting scaffold equipment is a novel scaffold technology which is rapidly developed in the early century, and has important influence on the progress of construction technology in China. The high-altitude operation is changed into the low-altitude operation, the suspension operation is changed into the operation inside the frame body, and the high-altitude operation frame has the characteristics of remarkable low carbon property, high technological content, more economy, safety, more convenience and the like;
the anti-falling device is an important safety accessory on the lifting scaffold, can restrain the scaffold when the scaffold abnormally falls, and achieves the purpose of avoiding accidents.
Disclosure of Invention
The invention provides an anti-falling device for an attached scaffold, which can solve the problems pointed out in the background technology.
The anti-falling device for the attached scaffold comprises a frame body, anti-falling wheels and an anti-falling assembly, wherein the anti-falling wheels are rotatably arranged on the frame body;
the first anti-falling mechanism comprises a first anti-falling plate and a first anti-falling structure which are slidably arranged in the frame body;
the anti-falling mechanism II comprises an anti-falling plate II and an anti-falling structure II which are slidably arranged in the frame body;
when the scaffold falls down, the first falling prevention plate and the second falling prevention plate can both extend out of the scaffold body.
Preferably, a first cavity for accommodating the first anti-falling structure is formed in the frame body, and the first anti-falling structure comprises a first upper connecting rod and a second upper connecting rod which are arranged on the first anti-falling plate;
a first spring for connecting the first anti-falling plate is arranged in the first cavity;
the bottom of going up connecting rod two is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in go up connecting rod two is gone up and to make the bottom of going up connecting rod one also is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in go up connecting rod one can make prevent weighing down the board and stretch out outside the frame.
Preferably, the top ends of the first upper connecting rod and the second upper connecting rod are provided with inclined sliding blocks, the top of the first cavity is provided with a first inclined sliding groove and a second inclined sliding groove which respectively correspond to the two inclined sliding blocks, and the first inclined sliding groove is also internally provided with a abdicating groove matched with the inclined sliding blocks;
the first anti-falling plate is also provided with a first through groove for yielding the second upper connecting rod,
the upper connecting rod I is inserted into the first anti-falling plate I, and a spring II is further arranged between the first anti-falling plate I and the inclined sliding block at the top of the upper connecting rod I.
Preferably, a cavity II for accommodating the anti-falling structure II is formed in the frame body, and the anti-falling structure II comprises a lower connecting rod I, a lower connecting rod II and a transmission structure;
the top of lower connecting rod one is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in lower connecting rod one can make the top of lower connecting rod two also is located prevent weighing down the rotation region of wheel in under the effect of transmission structure prevent weighing down the wheel conflict and be in lower connecting rod two is gone up can make prevent weighing down two stretching out of the board the frame is external.
Preferably, the transmission structure comprises a support plate hinged in the second cavity and a transmission belt rotatably arranged at the top of the second cavity, and the transmission belt and the support plate are respectively positioned above and below the second anti-falling plate;
a third spring for connecting the second anti-falling plate is arranged in the second cavity;
a second through groove for yielding the second lower connecting rod is formed in the second anti-falling plate;
under the action of gravity, the bottom ends of the first lower connecting rod and the second lower connecting rod are abutted against the supporting plate, and a torsion spring is arranged on a central shaft of the supporting plate; when the first lower connecting rod and the second lower connecting rod are abutted against the supporting plate, the supporting plate can be kept in a horizontal state under the action of the torsion spring;
the transmission belt is fixedly connected with a first connecting block and a second connecting block, and the second lower connecting rod is inserted in the first connecting block;
the upper side of the anti-falling plate II is provided with a third connecting block, and the third connecting block abuts against the second connecting block under the action of the third spring.
Preferably, the top of the first lower connecting rod is provided with an arc-shaped connecting part.
Compared with the prior art, the invention has the beneficial effects that: the anti-falling mechanism is arranged on the frame body, and can be used for preventing falling of a scaffold at the same time, when one anti-falling mechanism is damaged due to impact of a violent force, the other anti-falling mechanism can still have an anti-falling function, and the safety is greatly improved.
Drawings
FIG. 1 is a schematic diagram of an initial structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of the present invention during normal operation of the scaffold;
fig. 4 is a schematic structural view of the present invention when the scaffold is dropped;
FIG. 5 is a schematic view of the first embodiment of the fall arrest plate of the present invention;
FIG. 6 is a schematic structural view of the second anti-falling plate of the present invention.
Description of reference numerals:
1. the anti-falling device comprises a frame body, 2, first anti-falling plates, 3, second anti-falling plates, 4, first upper connecting rods, 5, second upper connecting rods, 6, inclined sliding blocks, 7, a yielding groove, 8, first through grooves, 9, second through grooves, 10, anti-falling wheels, 11, first lower connecting rods, 12, second lower connecting rods, 13, supporting plates, 14, a transmission belt, 15, first connecting blocks, 16, second connecting blocks, 17, third connecting blocks, 18 and connecting parts.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 6, the anti-falling device for an attached scaffold provided by the embodiment of the invention comprises a frame body 1, an anti-falling wheel 10 rotatably arranged on the frame body 1, and an anti-falling assembly, wherein the anti-falling assembly comprises a first anti-falling mechanism and a second anti-falling mechanism which are respectively arranged on the upper side and the lower side of the anti-falling wheel 10;
the first anti-falling mechanism comprises a first anti-falling plate 2 and a first anti-falling structure which are slidably arranged in the frame body 1;
the anti-falling mechanism II comprises an anti-falling plate II 3 and an anti-falling structure II which are slidably arranged in the frame body 1;
in the actual use process, under the influence of the position of the scaffold when falling, the cross rod of the scaffold can be abutted against the first anti-falling plate 2 or the second anti-falling plate 3, and compared with the design that only one anti-falling mechanism is adopted in the prior art, the anti-falling mechanism is more sensitive and can stop the falling of the scaffold at the first time;
when the scaffold falls down, the first anti-falling plate 2 and the second anti-falling plate 3 can extend out of the scaffold body 1;
a first cavity used for accommodating the first anti-falling structure is formed in the frame body 1, and the first anti-falling structure comprises a first upper connecting rod 4 and a second upper connecting rod 5 which are arranged on the first anti-falling plate 2;
the frame body 1 is also provided with a third through groove for yielding the first upper connecting rod 4 and the second upper connecting rod 5;
a first spring for connecting the first anti-falling plate 2 is arranged in the first cavity;
the bottom end of the upper connecting rod II 5 is positioned in the rotating area of the anti-falling wheel 10, the anti-falling wheel 10 abuts against the upper connecting rod II 5, so that the bottom end of the upper connecting rod I4 is also positioned in the rotating area of the anti-falling wheel 10, and the anti-falling wheel 10 abuts against the upper connecting rod I4, so that the anti-falling plate I2 extends out of the frame body 1;
when the scaffold works in a normal lifting mode, the anti-falling wheel 10 can frequently contact with the bottom end of the upper connecting rod II 5, if the upper connecting rod II 5 is fixedly connected to the lower side of the anti-falling plate I2, the stress at the joint of the upper connecting rod II 5 and the anti-falling plate I2 is too high, and the failure of the anti-falling mechanism I is easily caused due to metal fatigue, so that the problem is avoided, furthermore, inclined sliding blocks 6 are arranged at the top ends of the upper connecting rod I4 and the upper connecting rod II 5, an inclined sliding groove I and an inclined sliding groove II which respectively correspond to the two inclined sliding blocks 6 are formed in the top of the cavity I, and a abdicating groove 7 matched with the inclined sliding blocks 6 is further formed in the inclined sliding groove I;
through the matching of the inclined slide block 6 and the inclined chute, when the anti-falling wheel 10 is abutted against the upper connecting rod II 5, the upper connecting rod II 5 not only pushes the anti-falling plate I2 to move horizontally, but also can move upwards, so that the excessive stress at the joint of the upper connecting rod II 5 and the anti-falling plate I2 is avoided, the service life is prolonged, the failure of the anti-falling mechanism is avoided, and the anti-falling mechanism is safer;
the first anti-falling plate 2 is also provided with a first through groove 8 for giving way to the second upper connecting rod 5,
the upper connecting rod I4 is inserted on the anti-falling plate I2, and a spring II is further arranged between the anti-falling plate I2 and the inclined sliding block 6 at the top of the upper connecting rod I4;
a second cavity for accommodating the second anti-falling structure is formed in the frame body 1, and the second anti-falling structure comprises a first lower connecting rod 11, a second lower connecting rod 12 and a transmission structure;
the frame body 1 is also provided with a third through groove for yielding the first lower connecting rod 11 and the second lower connecting rod 12;
the top end of the lower connecting rod I11 is positioned in the rotating area of the anti-falling wheel 10, the anti-falling wheel 10 abuts against the lower connecting rod I11 to enable the top end of the lower connecting rod II 12 to be positioned in the rotating area of the anti-falling wheel 10, and the anti-falling wheel 10 abuts against the lower connecting rod II 12 under the action of the transmission structure to enable the anti-falling plate II 3 to extend out of the frame body 1;
the transmission structure comprises a support plate 13 hinged in the second cavity and a transmission belt 14 rotatably arranged at the top of the second cavity, and the transmission belt 14 and the support plate 13 are respectively positioned above and below the second anti-falling plate 3;
a third spring for connecting the second anti-falling plate 3 is arranged in the second cavity; under the action of a spring III, the anti-falling plate II 3 can be positioned in the cavity II;
a second through groove 9 for yielding the second lower connecting rod 12 is formed in the second anti-falling plate 3;
under the action of gravity, the bottom ends of the first lower connecting rod 11 and the second lower connecting rod 12 are abutted against the supporting plate 13, and a torsion spring (not shown in the figure) is arranged on a central shaft of the supporting plate 13; when the first lower connecting rod 11 and the second lower connecting rod 12 are abutted against the supporting plate 13, the supporting plate 13 can be kept in a horizontal state under the action of the torsion spring;
the transmission belt 14 is provided with a first connecting block 15 and a second connecting block 16, and the second lower connecting rod 12 is inserted in the first connecting block 15;
a third connecting block 17 is arranged on the upper side of the second anti-falling plate 3, and the third connecting block 17 abuts against the second connecting block 16 under the action of the third spring;
the top of the first lower connecting rod 11 is provided with an arc-shaped connecting part 18, so that the first lower connecting rod 11 can be pushed downwards when the anti-falling wheel 10 rotates forwards and reversely.
The working principle is as follows: when the scaffold normally runs, a cross bar on the scaffold can be abutted against the anti-falling wheel 10 in the process of moving upwards or downwards, and a plurality of support plates of the anti-falling wheel 10 can be abutted against the upper connecting rod II 5 and the lower connecting rod I11 respectively in the process of rotating;
when the anti-falling wheel 10 is abutted against the upper connecting rod II 5, the anti-falling plate I2 is pushed to move horizontally, the bottom end of the upper connecting rod I4 enters a rotating area of the anti-falling wheel 10, after a support plate of the anti-falling wheel 10 is separated from the upper connecting rod II 5, the upper connecting rod I4, the upper connecting rod II 5 and the anti-falling plate I2 are reset under the action of the spring I, and a next support plate of the anti-falling wheel 10 cannot be abutted against the upper connecting rod I4, namely the anti-falling mechanism I cannot be completely triggered;
when the anti-falling wheel 10 is abutted against the first lower connecting rod 11, one end of the supporting plate 13 is pushed to descend, the second lower connecting rod 12 positioned at the other end of the supporting plate 13 is enabled to ascend, the end part of the second lower connecting rod 12 enters the rotating area of the anti-falling wheel 10, after the anti-falling wheel 10 is separated from the first lower connecting rod 11, the first lower connecting rod 11 and the second lower connecting rod 12 are reset under the action of a torsion spring (not shown in the figure) of a central shaft of the supporting plate 13, a next supporting plate of the anti-falling wheel 10 cannot be abutted against the second lower connecting rod 12, and the second anti-falling mechanism cannot be completely triggered;
when the scaffold falls down, the descending speed of the cross rod of the scaffold is extremely high, the first spring and the third spring are not completely reset, and a plurality of support plates on the anti-falling wheel 10 respectively abut against the first upper connecting rod 4 and the second lower connecting rod 12;
when the anti-falling wheel 10 abuts against the upper connecting rod I4, the anti-falling plate I2 is pushed to further move until a part of the anti-falling plate I2 extends out of the frame body 1, and the anti-falling mechanism I is completely triggered;
when the anti-falling wheel 10 abuts against the second lower connecting rod 12, the second lower connecting rod 12 is pushed to move, so that the transmission belt 14 rotates, the transmission belt 14 pushes the second anti-falling plate 3 to move through the second connecting block 16 in the rotating process until one part of the second anti-falling plate 3 extends out of the frame body 1, and the second anti-falling mechanism is completely triggered.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. The anti-falling device for the attached scaffold comprises a frame body and anti-falling wheels which are rotatably arranged in the frame body, and is characterized by further comprising an anti-falling assembly, wherein the anti-falling assembly comprises a first anti-falling mechanism and a second anti-falling mechanism which are respectively arranged on the upper side and the lower side of the anti-falling wheels;
the first anti-falling mechanism comprises a first anti-falling structure and a first anti-falling plate which is slidably arranged in the frame body;
the second anti-falling mechanism comprises a second anti-falling structure and a second anti-falling plate which is slidably arranged in the frame body;
when the scaffold falls down, the first falling prevention structure and the second falling prevention structure are under the action, and the first falling prevention plate and the second falling prevention plate can both extend out of the scaffold.
2. The anti-falling device for the attached scaffold as claimed in claim 1, wherein a first cavity for accommodating the first anti-falling structure is formed in the frame body, and the first anti-falling structure comprises a first upper connecting rod and a second upper connecting rod which are arranged on the first anti-falling plate;
a first spring for connecting the first anti-falling plate is arranged in the first cavity;
the bottom of going up connecting rod two is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in go up connecting rod two is gone up and to make the bottom of going up connecting rod one also is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in go up connecting rod one can make prevent weighing down the board and stretch out outside the frame.
3. The anti-falling device for the attached scaffold as claimed in claim 2, wherein the top ends of the first upper connecting rod and the second upper connecting rod are respectively provided with an inclined slider, the top of the first cavity is provided with a first inclined chute and a second inclined chute which respectively correspond to the two inclined sliders, and the first inclined chute is further internally provided with a abdicating groove which is matched with the inclined slider;
the upper connecting rod I is inserted on the anti-falling plate I, and a spring II is arranged between the anti-falling plate I and the inclined sliding block at the top of the upper connecting rod I;
and the first anti-falling plate is also provided with a first through groove for yielding the second upper connecting rod.
4. The anti-falling device for the attached scaffold as claimed in claim 1, wherein a second cavity for accommodating the second anti-falling structure is formed in the frame body, and the second anti-falling structure comprises a first lower connecting rod, a second lower connecting rod and a transmission structure;
the top of lower connecting rod one is located prevent weighing down the rotation region of wheel in, prevent weighing down the wheel conflict and be in lower connecting rod one can make the top of lower connecting rod two also is located prevent weighing down the rotation region of wheel in under the effect of transmission structure prevent weighing down the wheel conflict and be in lower connecting rod two is gone up can make prevent weighing down two stretching out of the board the frame is external.
5. The fall arrest device for an attached scaffold according to claim 4, wherein the transmission structure comprises a support plate hinged within the second cavity and a belt rotatably disposed at the top of the second cavity, the belt and the support plate being located above and below the fall arrest plate two, respectively;
a third spring for connecting the second anti-falling plate is arranged in the second cavity;
a second through groove for yielding the second lower connecting rod is formed in the second anti-falling plate;
under the action of gravity, the bottom ends of the first lower connecting rod and the second lower connecting rod are abutted against the supporting plate, and a torsion spring is arranged on a central shaft of the supporting plate; when the first lower connecting rod and the second lower connecting rod are abutted against the supporting plate, the supporting plate can be kept in a horizontal state under the action of the torsion spring;
the transmission belt is provided with a first connecting block and a second connecting block, and the second lower connecting rod is inserted in the first connecting block;
the upper side of the anti-falling plate II is provided with a connecting block III, and under the action of the spring III, the connecting block III is abutted to the connecting block II.
6. The fall arrest device for an attached scaffold of claim 5, wherein the top of the first lower link has an arcuate connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110676969.0A CN113250437B (en) | 2021-06-18 | 2021-06-18 | Anti-falling device for attached scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110676969.0A CN113250437B (en) | 2021-06-18 | 2021-06-18 | Anti-falling device for attached scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113250437A true CN113250437A (en) | 2021-08-13 |
| CN113250437B CN113250437B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110676969.0A Active CN113250437B (en) | 2021-06-18 | 2021-06-18 | Anti-falling device for attached scaffold |
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| CN (1) | CN113250437B (en) |
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| US5613576A (en) * | 1995-05-18 | 1997-03-25 | Inventio Ag | Apparatus for preventing drift of an elevator car stopped at a floor |
| CN205857672U (en) * | 2016-06-30 | 2017-01-04 | 北京建泰建筑技术研究院有限公司 | Anti-falling device of attached lifting scaffold |
| CN108979121A (en) * | 2018-08-20 | 2018-12-11 | 安徽长青建筑制品有限公司 | A kind of highly-safe elevating scaffold anti-fall device |
| CN109057311A (en) * | 2018-09-11 | 2018-12-21 | 杨洪 | Attached lifting scaffold dual fail-safe catching device |
| CN208594737U (en) * | 2018-07-16 | 2019-03-12 | 江苏标诺建筑科技有限公司 | A kind of attachment type raise scaffold fall arrest wall-attached supporting seat |
| CN209942202U (en) * | 2019-05-16 | 2020-01-14 | 姚佳良 | Building assembled scaffold |
| CN210205657U (en) * | 2019-06-18 | 2020-03-31 | 湖南中科富海建筑科技有限公司 | Novel climb difference in speed safety hook for frame |
| CN211058286U (en) * | 2019-10-12 | 2020-07-21 | 四川湘盛建筑工程有限公司 | Scaffold anti-falling device for attached scaffold |
| CN211114749U (en) * | 2020-04-22 | 2020-07-28 | 海南燕赵建筑工程有限公司 | Anti-overturning and anti-falling attached lifting scaffold |
| CN211499735U (en) * | 2019-12-05 | 2020-09-15 | 河北豪圣机械制造有限公司 | Wall-attached support for automatic climbing frame |
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2021
- 2021-06-18 CN CN202110676969.0A patent/CN113250437B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5613576A (en) * | 1995-05-18 | 1997-03-25 | Inventio Ag | Apparatus for preventing drift of an elevator car stopped at a floor |
| CN205857672U (en) * | 2016-06-30 | 2017-01-04 | 北京建泰建筑技术研究院有限公司 | Anti-falling device of attached lifting scaffold |
| CN208594737U (en) * | 2018-07-16 | 2019-03-12 | 江苏标诺建筑科技有限公司 | A kind of attachment type raise scaffold fall arrest wall-attached supporting seat |
| CN108979121A (en) * | 2018-08-20 | 2018-12-11 | 安徽长青建筑制品有限公司 | A kind of highly-safe elevating scaffold anti-fall device |
| CN109057311A (en) * | 2018-09-11 | 2018-12-21 | 杨洪 | Attached lifting scaffold dual fail-safe catching device |
| CN209942202U (en) * | 2019-05-16 | 2020-01-14 | 姚佳良 | Building assembled scaffold |
| CN210205657U (en) * | 2019-06-18 | 2020-03-31 | 湖南中科富海建筑科技有限公司 | Novel climb difference in speed safety hook for frame |
| CN211058286U (en) * | 2019-10-12 | 2020-07-21 | 四川湘盛建筑工程有限公司 | Scaffold anti-falling device for attached scaffold |
| CN211499735U (en) * | 2019-12-05 | 2020-09-15 | 河北豪圣机械制造有限公司 | Wall-attached support for automatic climbing frame |
| CN211114749U (en) * | 2020-04-22 | 2020-07-28 | 海南燕赵建筑工程有限公司 | Anti-overturning and anti-falling attached lifting scaffold |
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| CN113250437B (en) | 2021-12-21 |
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