CN110439252B - Anti-falling method for attached lifting scaffold - Google Patents
Anti-falling method for attached lifting scaffold Download PDFInfo
- Publication number
- CN110439252B CN110439252B CN201910764352.7A CN201910764352A CN110439252B CN 110439252 B CN110439252 B CN 110439252B CN 201910764352 A CN201910764352 A CN 201910764352A CN 110439252 B CN110439252 B CN 110439252B
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- Prior art keywords
- grid
- type cross
- movable plate
- guide rail
- shell
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005484 gravity Effects 0.000 claims description 44
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000001174 ascending effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
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
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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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
-
- 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
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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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 a falling prevention method for an attached lifting scaffold, which comprises a guide rail with a grid-type beam, a plurality of grid-type cross rods arranged on the guide rail with the grid-type beam at equal intervals, and a wall-attached support, wherein the wall-attached support comprises a guide plate, a shell and a movable plate, the left side and the right side of the shell are open, the left end of the movable plate is heavy, the right end of the movable plate is light, the right end of the guide plate is provided with a guide rail extending groove, the guide rail extending groove is arranged at the two ends of the inner side of the guide rail extending groove, the guide rail with the grid-type beam is vertically and slidably connected in the guide rail guide groove, the shell is fixedly connected to the lower side surface of the guide plate, a fixed shaft is fixedly connected between the front wall and the rear wall of the shell, the left end of the movable plate is a heavy end, the right end of the movable plate is a light end, the position of the light end is provided with a strip groove, the length of the strip groove is larger than the diameter of the fixed shaft, the movable plate is movably sleeved on the upper side surface of the light end, the light end of the fixed shaft, the front side surface and the front side surface of the light end are rotatably connected with swing blocks matched with the grid-type cross rods, the front side and the rear side of the light end are also fixedly connected with a stop shaft group for limiting the rotation angle of the swing block.
Description
Technical Field
The invention belongs to the technical field of wall-attached supports of attached lifting scaffolds, and particularly relates to a falling prevention method for an attached lifting scaffold.
Background
With the development of the building industry, more and more high-rise and high-rise building structures are built, and the attached lifting scaffold is used for external protection in order to increase the building speed during building. However, the anti-falling system of the equipment is always a problem which is difficult to solve, and the anti-falling system cannot meet the safety requirement.
Disclosure of Invention
The invention aims to provide a wall-attached support and a method for preventing an attached lifting scaffold from falling, which solve the defects in the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a method for preventing falling of an attached lifting scaffold is characterized in that an attached wall support which is provided with grid type beam guide rails and used for preventing falling and tipping outwards is used in a combined mode, the attached wall support comprises a guide plate, a shell and a movable plate, wherein the shell is arranged in a mode that the left side and the right side of the attached wall support are open, the movable plate is light in the heavy right end of the left end, the wall mount is fixedly connected to the guide plate, a plurality of bolt holes are formed in the wall mount, a guide rail extending groove is formed in the right end of the guide plate, guide rail guide grooves are formed in the two ends of the inner side of the guide rail extending groove, the guide rail guide rails with the grid type beam guide rails are vertically and slidably connected to the guide rail guide grooves, the shell is fixedly connected to the lower side surface of the guide plate, a fixed shaft is fixedly connected between the front wall and the rear wall of the shell, the left end of the movable plate is set to, the movable plate is movably sleeved on the fixed shaft through the strip groove, the end part of the upper side surface of the light end is fixedly connected with the anti-falling plate, the end parts of the front side surface and the rear side surface of the light end are rotatably connected with swing blocks matched with the grating type cross rods, the front side surface and the rear side surface of the light end are also fixedly connected with a blocking shaft group for limiting the rotation angle of the swing blocks, the blocking shaft group comprises a lower blocking shaft and an upper blocking shaft, and the rotation range of the swing blocks between the lower blocking shaft and the upper blocking shaft is 0-70 degrees.
Further limit, the two ends of each strip groove are arranged in a semicircular arc mode.
Further inject, the front and back sides of the gravity end are fixedly connected with a weight limiting plate, and the weight limiting plate is attached to the front and back inner walls of the shell.
Further inject, the side is fixed to run through and is had the through-shaft around the light end, pendulum piece one end is rotated the cover and is established the position that the through-shaft is located the light end outside, both ends all rigid coupling has the spacing cap that prevents pendulum piece along through-shaft axial displacement around the through-shaft.
The invention also provides a method for preventing the attached lifting scaffold from falling, which adopts the method for preventing the attached lifting scaffold from falling, when the guide rail with the grid-type cross beam normally ascends, the vertical upward movement of the grid-type cross rod enables the swing block matched with the grid-type cross rod to slowly rotate upwards in a contact manner, the angle of the swing block driven by the ascending grid-type cross rod is smaller than the maximum angle of the swing block which can freely swing, the swing block is driven by the ascending grid-type cross rod and cannot contact with the upper blocking shaft, before the next grid-type cross rod touches the swing block, the swing block is restored to the initial position due to the self gravity (namely, the swing block touches the lower blocking shaft and is in the horizontal state under the limit of the lower blocking shaft), and the movable plate keeps the initial position (namely, the gravity end touches the bottom wall of the shell due to the gravity) in the process; when the guide rail with the grid-type cross beam normally descends, the vertical descending of the grid-type cross rod enables the swing block matched with the grid-type cross rod to drive the gravity end of the movable plate to gradually tilt until the gravity end tilts to a horizontal state, and after the grid-type cross rod is separated from the swing block and before the last grid-type cross rod descends to the position of the swing block, the movable plate is restored to the initial position due to the gravity of the gravity end (namely, the gravity end is abutted against the bottom wall of the shell due to gravity); when the grid type cross rod with the falling is accidentally fallen, because the falling speed is suddenly increased, the falling grid type cross rod upwards tilts the gravity end of the movable plate through the swinging block and supports against the upper wall of the shell, the fixed shaft moves to the left end from the right end of the strip groove relatively, the falling prevention plate rotates to the horizontal position and protrudes out of the shell, the grid type cross rod is separated from the swinging block and before the last grid type cross rod falls to the position of the swinging block, and because the falling speed is too high, when the movable plate is not restored to the initial state, the last grid type cross rod is limited by the falling prevention plate.
Has the advantages that: the anti-falling wall-attached support is reasonable in structure and stress, and by combining the anti-falling wall-attached supports of the attached lifting scaffolds distributed in order, when the grid-attached cross rods fall accidentally, because the falling speed is suddenly increased, the falling grid-attached cross rods tilt the gravity ends of the movable plates upwards through the swing blocks and abut against the upper wall of the shell, so that the fixed shafts move to the left end from the right end of the strip groove oppositely, the anti-falling plates rotate to the horizontal position and protrude out of the shell, after the grid-attached cross rods are separated from the swing blocks and before the last grid-attached cross rods fall to the position of the swing blocks 15, because the falling speed is too high, the last grid-attached cross rods are limited by the anti-falling plates when the movable plates are not restored to the initial state, the grid-attached cross rod guide rails can be prevented from falling safely and reliably, and the requirements of safe construction are met.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the deflector of the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is a schematic view of a partial structure of the grid-type cross beam guide rail of the present invention during normal lifting;
FIG. 5 is a schematic view of a partial structure of the grid-type cross beam guide rail of the present invention during normal lowering;
FIG. 6 is a schematic view of the structure of the grid type cross beam guide rail of the present invention in a partial state of accidental falling;
the main element symbols are as follows:
the anti-falling device comprises a guide rail 1 with a grid-type beam, a grid-type cross rod 2, a guide plate 3, a guide rail extending groove 4, a guide hole 5, a wall mounting seat 6, a bolt hole 7, a shell 8, a fixed shaft 9, a movable plate 10, a gravity end 11, a light end 12, a strip groove 13, a through shaft 14, a swing block 15, a limiting cap 16, a lower blocking shaft 17, an upper blocking shaft 18, an anti-falling plate 19 and a weighting limiting plate 20.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in figures 1-3, a method for preventing falling of an attached lifting scaffold is an attached wall support for preventing falling and falling of the attached lifting scaffold with grid-type beam guide rails, and a plurality of attached wall supports distributed in order are combined for use, the attached wall support comprises a grid-type beam guide rail 1, a plurality of grid-type cross rods 2 arranged on the grid-type beam guide rail 1 at equal intervals and an attached wall support, the attached wall support comprises a guide plate 3, a shell 8 arranged with openings on the left and right sides and a movable plate 10 with heavy left end and light right end, a wall mounting seat 6 is fixedly connected on the guide plate 3, a plurality of bolt holes 7 are arranged on the wall mounting seat 6, a guide rail extending groove 4 is arranged at the right end of the guide plate 3, guide rail guide grooves 5 are arranged at two ends of the inner side of the grid-type beam guide rail 4 to ensure that the grid-type beam guide rail 1 cannot fall, wherein the grid-type beam guide rail 1 is vertically and slidably connected in the guide groove 5, the shell 8 is fixedly connected to the lower side surface of the guide plate 3, a fixed shaft 9 is fixedly connected between the front wall and the rear wall of the shell 8, the left end of a movable plate 10 is a gravity end 11, the right end of the movable plate is a light end 12, a strip groove 13 is arranged at the position of the light end 12, two ends of the strip groove 13 are arranged in a semicircular arc shape, the length of the strip groove 13 is larger than the diameter of the fixed shaft 9, the movable plate 10 is movably sleeved on the fixed shaft 9 through the strip groove 13, an anti-falling plate 19 is fixedly connected to the end part of the upper side surface of the light end 12, the front side surface and the rear side surface of the light end 12 are respectively and rotatably connected with a swing block 15 matched with the grating cross rod 2, the front side surface and the rear side surface of the light end 12 are further and fixedly connected with a blocking shaft group for limiting the rotation angle of the swing block 15, the blocking shaft group comprises a lower blocking shaft 17 and an upper blocking shaft 18, and the rotation range of the swing block 15 between the lower blocking shaft 17 and the upper blocking shaft 18 is 0-70 deg.
In this embodiment, the weight limiting plates 20 are fixed to the front and rear surfaces of the gravity end 11, the weight limiting plates 20 are attached to the front and rear inner walls of the housing 8, and the movable plate 10 is prevented from sliding along the fixed shaft 9 while the gravity end 11 is weighted.
In this embodiment, a through shaft 14 is fixedly penetrated through the front and rear side surfaces of the light end 12, one end of the swing block 15 is rotatably sleeved on the position of the through shaft 14 outside the light end 12, and the front and rear ends of the through shaft 14 are fixedly connected with a limit cap 16 for preventing the swing block 15 from moving axially along the through shaft 14.
The method for preventing the attached lifting scaffold from falling is adopted, when the grid-type beam guide rail 1 is normally lifted, the vertical upward movement of the grid type cross rod 2 enables the swing block 15 matched with the grid type cross rod to rotate slowly in an upward contact manner, the angle of the swing block 15 driven by the rising grid type cross rod 2 is smaller than the maximum angle of the swing block 15 capable of freely swinging in this state, the swing block 15 driven by the rising grid type cross rod 2 cannot contact with the upper baffle shaft 18, before the next grid-type cross rod 2 touches the swing block 15, the swing block 15 is restored to the initial position due to the self gravity (i.e. the swing block 15 abuts against the lower stop shaft 17 and is in a horizontal state under the limit of the lower stop shaft 17), and in the process, the movable plate 10 keeps the initial position (i.e. the gravity end 11 abuts against the bottom wall of the shell 8 due to the gravity); when the guide rail 1 with the grid-type cross beam normally descends, the vertical descending of the grid-type cross rod 2 enables the swing block 15 matched with the grid-type cross rod 2 to drive the gravity end 11 of the movable plate 10 to gradually tilt until the gravity end tilts to a horizontal state, and after the grid-type cross rod 2 is separated from the swing block 15 and before the last grid-type cross rod 2 descends to the position of the swing block 15, the movable plate 10 is restored to an initial position due to the gravity of the gravity end 11 (namely, the gravity end 11 is abutted against the bottom wall of the shell 8 due to gravity); when the cross bar 2 with the grid type falls accidentally, because the falling speed is increased suddenly, the falling grid type cross bar 2 tilts the gravity end 11 of the movable plate 10 upwards through the swinging block 15 and supports against the upper wall of the shell 8, and then the fixed shaft 9 moves to the left end from the right end of the strip groove 13, at the moment, the falling prevention plate 19 rotates to the horizontal position and protrudes out of the shell 8, after the grid type cross bar 2 is separated from the swinging block 15, before the last grid type cross bar 2 falls to the position of the swinging block 15, and because the falling speed is too fast, when the movable plate 10 is not restored to the initial state, the last grid type cross bar 2 is limited by the falling prevention plate 19.
The method for preventing the attached lifting scaffold from falling comprises the steps of installing a wall installation seat 6 on a wall through bolts, wherein the wall installation seat 6 and a guide plate 3 are welded together.
Normal ascending working principle: as shown in fig. 4, when the grid-type cross beam guide rail 1 normally ascends, the vertical upward movement of the grid-type cross beam 2 causes the swing block 15 engaged therewith to rotate in a slowly upward contact manner, in this state, the angle of the swing block 15 driven by the ascending grid-type cross beam 2 is smaller than the maximum angle at which the swing block 15 can swing freely, the swing block 15 driven by the ascending grid-type cross beam 2 does not contact the upper stop shaft 18, before the next grid-type cross beam 2 contacts the swing block 15, the swing block 15 returns to the initial position due to its own gravity (i.e., the swing block 15 abuts against the lower stop shaft 17 and is in a horizontal state under the limit of the lower stop shaft 17), and in this process, the movable plate 10 keeps the initial position (i.e., the gravity end 11 abuts against the bottom wall of the housing 8 due to gravity).
Normal descending working principle: as shown in fig. 5, when the grid-type cross beam guide rail 1 normally descends, the vertical descending of the grid-type cross rod 2 causes the swing block 15 engaged therewith to drive the gravity end 11 of the movable plate 10 to tilt gradually until the gravity end tilts to a horizontal state, and after the grid-type cross rod 2 is separated from the swing block 15 and before the previous grid-type cross rod 2 descends to the position of the swing block 15, the movable plate 10 returns to the initial position due to the gravity of the gravity end 11 (i.e., the gravity end 11 butts against the bottom wall of the housing 8 due to gravity).
The anti-falling principle is as follows: as shown in fig. 6, when the cross bar 2 with the grid type falls accidentally, because the falling speed increases suddenly, the falling grid type cross bar 2 tilts the gravity end 11 of the movable plate 10 upwards through the swing block 15 and supports against the upper wall of the housing 8, and the fixed shaft 9 moves from the right end to the left end of the strip groove 13, at this time, the falling prevention plate 19 rotates to the horizontal position and protrudes out of the housing 8, after the grid type cross bar 2 is separated from the swing block 15 to before the previous grid type cross bar 2 falls to the position of the swing block 15, and because the falling speed is too fast, when the movable plate 10 is not restored to the initial state, the previous grid type cross bar 2 is limited by the falling prevention plate 19.
The wall-attached support for preventing the attached lifting scaffold from falling is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (1)
1. A method for preventing an attached lifting scaffold from falling comprises wall attaching supports, wherein the wall attaching supports are wall attaching supports for preventing the attached lifting scaffold with grid-type beam guide rails from tipping outwards and falling downwards, and a plurality of orderly-distributed wall attaching supports are combined for use and comprise grid-type beam guide rails, a plurality of grid-type cross rods and wall attaching supports, wherein the grid-type cross rods are arranged on the grid-type beam guide rails at equal intervals;
the wall attaching support comprises a guide plate, a shell and a movable plate, wherein the shell is arranged in a left-right open mode, the left end and the right end of the shell are light, the guide plate is fixedly connected with a wall mounting seat, a plurality of bolt holes are formed in the wall mounting seat, a guide rail extending groove is formed in the right end of the guide plate, guide rail guide grooves are formed in two ends of the inner side of the guide rail extending groove, a guide rail with a grid-type cross beam is vertically and slidably connected into the guide rail guide grooves, the shell is fixedly connected to the lower side surface of the guide plate, a fixed shaft is fixedly connected between the front wall and the rear wall of the shell, the left end of the movable plate is a gravity end, the right end of the movable plate is a light end, a strip groove is formed in the position of the light end, the length of the strip groove is larger than the diameter of the fixed shaft, the movable plate is movably sleeved on the fixed shaft through the strip groove, an anti-falling plate is fixedly connected to the end of the upper side surface on the light end, and the front side end and the rear side end of the light end are rotatably connected with swing blocks matched with the grid-type cross rod, the front side and the rear side of the light end are also fixedly connected with a baffle shaft group for limiting the rotation angle of the swing block, the baffle shaft group comprises a lower baffle shaft and an upper baffle shaft, and the rotation range of the swing block between the lower baffle shaft and the upper baffle shaft is 0-70 degrees;
the two ends of the strip groove are arranged in a semicircular arc shape;
the front and back surfaces of the gravity end are fixedly connected with weighting limiting plates, and the weighting limiting plates are attached to the front and back inner walls of the shell;
the fixed through axle that has run through of side around the light end, pendulum piece one end is rotated the cover and is established the position that the through axle is located the light end outside, the equal rigid coupling in both ends has the spacing cap that prevents the pendulum piece along through axle axial displacement around the through axle, its characterized in that:
when the guide rail with the grid-type cross beam normally rises, the vertical upward movement of the grid-type cross rods enables the swing blocks matched with the grid-type cross rods to slowly rotate upwards in a contact manner, the angle of the swing blocks driven by the rising grid-type cross rods is smaller than the maximum angle of the swing blocks capable of freely swinging in the state, the swing blocks driven by the rising grid-type cross rods cannot contact with the upper blocking shaft, before the next grid-type cross rods contact with the swing blocks, the swing blocks are restored to the initial positions due to self gravity, and the movable plate keeps the initial positions in the process; when the guide rail with the grid-type cross beam normally descends, the vertical descending of the grid-type cross rod enables the swing block matched with the grid-type cross rod to drive the gravity end of the movable plate to gradually tilt until the gravity end tilts to the horizontal state, and after the grid-type cross rod is separated from the swing block and before the last grid-type cross rod descends to the position of the swing block, the movable plate is restored to the initial position due to the gravity of the gravity end; if the grid type cross rod with the grid type cross rod falls accidentally, the gravity end of the movable plate is tilted upwards and props against the upper wall of the shell by the grid type cross rod with the descending steeply increased speed through the swinging block, the fixed shaft moves to the left end from the right end of the strip groove oppositely, the anti-falling plate rotates to the horizontal position and protrudes out of the shell, and after the grid type cross rod is separated from the swinging block and before the last grid type cross rod falls to the position of the swinging block, the movable plate is not restored to the initial state, and the last grid type cross rod is limited by the anti-falling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764352.7A CN110439252B (en) | 2019-08-19 | 2019-08-19 | Anti-falling method for attached lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764352.7A CN110439252B (en) | 2019-08-19 | 2019-08-19 | Anti-falling method for attached lifting scaffold |
Publications (2)
| Publication Number | Publication Date |
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| CN110439252A CN110439252A (en) | 2019-11-12 |
| CN110439252B true CN110439252B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910764352.7A Expired - Fee Related CN110439252B (en) | 2019-08-19 | 2019-08-19 | Anti-falling method for attached lifting scaffold |
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| CN (1) | CN110439252B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165044B (en) * | 2021-12-09 | 2023-05-05 | 华西工程科技(深圳)股份有限公司 | Collision rod type anti-falling device |
| CN114135091B (en) * | 2021-12-13 | 2023-05-09 | 湖北山思工程科技有限公司 | Double-anti-falling pendulum gravity self-resetting linkage type falling protector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203701557U (en) * | 2014-01-24 | 2014-07-09 | 广东建星建筑设备有限公司 | Attachment type liftable scaffold falling-preventing device |
| CN203924665U (en) * | 2014-04-25 | 2014-11-05 | 浙江固华脚手架工程有限公司 | Attachment type raise scaffold gravity centering block fall arrest wall-attached supporting seat |
| CN208088815U (en) * | 2018-03-27 | 2018-11-13 | 湖北仁泰恒昌科技发展有限公司 | Device for preventing attachment type raise scaffold from rapidly falling |
| CN208563953U (en) * | 2018-07-31 | 2019-03-01 | 河北国益工程技术有限公司 | The dual gravity of the wall-attached supporting seat of elevating scaffold rotates anti-drop system |
| CN208749067U (en) * | 2018-05-14 | 2019-04-16 | 浙江昌华建筑科技有限公司 | A kind of attached type lifting scaffold inclining covers, fall arrest guide bracket |
-
2019
- 2019-08-19 CN CN201910764352.7A patent/CN110439252B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203701557U (en) * | 2014-01-24 | 2014-07-09 | 广东建星建筑设备有限公司 | Attachment type liftable scaffold falling-preventing device |
| CN203924665U (en) * | 2014-04-25 | 2014-11-05 | 浙江固华脚手架工程有限公司 | Attachment type raise scaffold gravity centering block fall arrest wall-attached supporting seat |
| CN208088815U (en) * | 2018-03-27 | 2018-11-13 | 湖北仁泰恒昌科技发展有限公司 | Device for preventing attachment type raise scaffold from rapidly falling |
| CN208749067U (en) * | 2018-05-14 | 2019-04-16 | 浙江昌华建筑科技有限公司 | A kind of attached type lifting scaffold inclining covers, fall arrest guide bracket |
| CN208563953U (en) * | 2018-07-31 | 2019-03-01 | 河北国益工程技术有限公司 | The dual gravity of the wall-attached supporting seat of elevating scaffold rotates anti-drop system |
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| CN110439252A (en) | 2019-11-12 |
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Granted publication date: 20210924 |