CN111305583B - Assembly type building side fascia safety device - Google Patents
Assembly type building side fascia safety device Download PDFInfo
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- CN111305583B CN111305583B CN202010201472.9A CN202010201472A CN111305583B CN 111305583 B CN111305583 B CN 111305583B CN 202010201472 A CN202010201472 A CN 202010201472A CN 111305583 B CN111305583 B CN 111305583B
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- clamping
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- safety
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a safety protection device for an assembled building external wall panel, which comprises a base, an adjusting seat, clamping components and an opening and closing control component, wherein the adjusting seat is fixed at the top of the base, the opening and closing control component is embedded in the adjusting seat, the clamping components fixed on the base are symmetrically arranged on two sides of the adjusting seat, an embedded pipe is clamped in each clamping component, the embedded pipe is connected with a safety hook by adopting a safety rope, and the two safety hooks can be hooked into a safety belt on the waist of a human body, so that safety protection measures are provided for workers when the building external wall panel is assembled, the action range of the workers is limited, and the safety is improved; the clamping assembly at least comprises two clamping claws which can be opened and closed and are used for clamping the embedded pipe; and the two groups of clamping assemblies in the clamping state can be controlled by the opening and closing control assembly to sequentially loosen the clamped embedded pipes one by one instead of simultaneously loosening the embedded pipes, so that potential safety hazards are reduced.
Description
Technical Field
The invention particularly relates to the related technical field of an assembly type building, in particular to a safety protection device for an external wall panel of the assembly type building.
Background
With the rapid development of the building industry, more and more buildings are constructed in an assembly type structure, particularly, a house can be manufactured in a set in batches like machine production, only prefabricated house components are transported to a construction site to be assembled, and at present, an assembly type structure can be adopted for building an outer wall of a building.
When assembling building side fascia, the staff often only works under the protection such as ladder of ascending a height, protection platform or scaffold frame, and the staff can walk about at will on it, does not tie, and its negative effect is that the dynamics of safety protection measure is not enough simultaneously, consequently needs extra safety device to restrict staff's activity in certain extent, thereby improve its security.
Accordingly, one skilled in the art provides a safety protection device for prefabricated building external wall panels to solve the above problems in the prior art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the safety protection device for the assembled building external wall panel comprises a base, an adjusting seat, clamping assemblies and an opening and closing control assembly, wherein the adjusting seat is fixed at the top of the base, the opening and closing control assembly is embedded in the adjusting seat, the clamping assemblies fixed on the base are symmetrically arranged on two sides of the adjusting seat, an embedded pipe is clamped in each clamping assembly, the embedded pipes are connected with safety hooks through safety ropes, and the two safety hooks can be hooked into a safety belt of the waist of a human body;
the clamping assembly at least comprises two clamping claws which can be opened and closed and are used for clamping the embedded pipe;
and the two groups of clamping components in the clamping state can be controlled by the opening and closing control component to sequentially loosen the clamped embedded pipes one by one.
Further, as an optimization, the clamping assembly further comprises an arc-shaped seat, a driving block, a clamping hook and a clamping block, wherein the arc-shaped seat is fixed on the base by a fixing block, a mounting groove is formed in the middle of the arc-shaped seat, two clamping claws which are symmetrically arranged are rotatably connected in the mounting groove by a rotating shaft, one ends of the clamping claws extend out of the mounting groove so as to clamp the embedded pipe, the other ends of the clamping claws extend in the horizontal direction, and the rotating shaft is located at a position, close to the extending end, of the horizontal end of the clamping claw;
the mounting groove is internally and symmetrically provided with limiting plates above the horizontal ends of the clamping claws, the limiting plates are internally and slidably connected with driving blocks, and the driving blocks can drive the extending ends of the clamping claws to be close to each other and clamp the clamping claws.
Further, as preferred, the bottom of drive block is fixed with the pothook of vertical placement, the bottom and the fixture block of pothook contact, just the surface that pothook and fixture block contacted is the arc, fixture block horizontal slip sets up in the sliding tray of seting up in the arc seat, the sliding tray is linked together with the mounting groove and sets up, be provided with reset spring between sliding tray and the fixture block, the left end of fixture block is fixed with stay cord three, stay cord three slides and wears out the arc seat, just the end that stretches out of stay cord three is fixed with the go-between.
Preferably, a second telescopic rod is fixed at the bottom of the driving block, the other end of the second telescopic rod is fixed and abutted against the bottom wall of the mounting groove, a compression spring is sleeved outside the second telescopic rod, and the connecting ring is pulled to jack up the driving block under the action of the compression spring.
Further, preferably, the connecting ring in the clamping assembly on the left side is connected with the opening and closing control assembly through a first pull rope; and a connecting ring in the right clamping assembly is connected with the opening and closing control assembly by a second pull rope.
Further, preferably, the opening and closing control assembly comprises a driving ring body, a follow-up ring body and a fixed shaft, the fixed shaft is fixed in the cavity of the adjusting seat, the follow-up ring body is rotatably sleeved outside the fixed shaft, gaps are reserved between the front end surface and the rear end surface of the follow-up ring body and the front side wall and the rear side wall of the adjusting seat, and the driving ring body is rotatably sleeved outside the follow-up ring body;
the top of the adjusting seat is also provided with a through groove for enabling the driving ring body to extend out of the adjusting seat;
a plurality of first baffles are circumferentially arrayed on the inner wall of the driving ring body, a plurality of second baffles are circumferentially arrayed on the outer wall of the follow-up ring body, the first baffles and the second baffles are mutually crossed and arranged, the first baffles and one sides of the second baffles, which are provided with first spring mounting seats, are oppositely arranged, so that the first springs are placed, and one sides of the first baffles, which are close to the follow-up ring body, are contacted with the follow-up ring body;
a plurality of third baffles are circumferentially arrayed on the inner wall of the follow-up ring body, a plurality of fourth baffles are circumferentially arrayed on the outer wall of the fixed shaft, the third baffles and the fourth baffles are mutually crossed and arranged, the third baffles and one sides of the fourth baffles, which are provided with second spring mounting seats, are oppositely arranged, so that the second springs are placed, and one sides of the third baffles, which are close to the fixed shaft, are contacted with the fixed shaft;
the elastic coefficient of the second spring is twice that of the first spring.
Further, preferably, the pulling rope is connected to the outer circumferential surface of the driving ring body;
and the second pull rope is connected to the end part of the follow-up ring body.
Further, as preferred, the opening and closing control assembly further comprises a fixed plate and a sucker, the fixed plate is fixed in the adjusting seat, and a speed limiting plate is further fixed on the fixed plate;
the suckers are circumferentially arrayed on the outer circumference of the driving ring body, and the adsorption ends of the suckers are arranged towards the outside of the driving ring body;
and the driving ring body is rotated, so that the speed limiting plate can be contacted with the sucking disc.
Further, as preferred, the speed-limiting plate is an arc-shaped smooth plate, and the middle part of the speed-limiting plate is higher than the two ends of the speed-limiting plate.
Further, as preferred, the bilateral symmetry of base is fixed with the connecting rod, the below of connecting rod is fixed with telescopic link one, the other end of telescopic link one is fixed with fixed foot, fixed foot is fixed in on the building side fascia, the outside of telescopic link one still overlaps and is equipped with extension spring.
Compared with the prior art, the invention has the beneficial effects that: the device is provided with two groups of clamping components, each clamping component is clamped with an embedded pipe, the embedded pipe is connected with a safety hook by adopting a safety rope, and the two safety hooks can be hooked on a safety belt of the waist of a human body, so that safety protection measures are provided for workers when assembling the building external wall panel, the action range of the workers is limited, and the safety is improved; in addition, the clamping assemblies in the clamping state can be controlled by the opening and closing control assembly to sequentially loosen the clamped embedded pipes one by one instead of simultaneously loosening the embedded pipes, so that potential safety hazards are reduced, and in addition, the opening and closing control assembly is driven by adopting a rotating mode instead of a pressing mode, so that the possibility of mistaken collision is reduced.
Drawings
FIG. 1 is a schematic perspective view of a safety protection device for an external wall panel of a prefabricated building;
FIG. 2 is a schematic side view of a safety protection device for an external wall panel of a prefabricated building;
FIG. 3 is a schematic view illustrating the installation of a clamping assembly in the safety protection device for the prefabricated building external wall panel;
FIG. 4 is a schematic structural diagram of an opening and closing control assembly in a safety protection device for an external wall panel of an assembly type building;
in the figure: 1. a fixing leg; 2. a first telescopic rod; 3. a connecting rod; 4. a base; 5. an adjusting seat; 6. a clamping assembly; 7. an opening and closing control component; 8. an insert tube; 9. a safety cord; 10. a safety hook; 11. pulling a first rope; 12. a second pull rope; 13. a limiting plate; 14. a connecting ring; 15. an arc-shaped seat; 16. a clamping jaw; 17. a drive block; 18. mounting grooves; 19. a second telescopic rod; 20. a hook; 21. a clamping block; 22. pulling a rope III; 23. a fixing plate; 24. a speed limiting plate; 25. a drive ring body; 26. a follower ring body; 27. a fixed shaft; 28. a suction cup; 29. a first baffle plate; 30. a second baffle plate; 31. a baffle III; 32. and a baffle plate IV.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, an adjusting seat 5 is fixed on the top of a base 4 of an external wall of an assembly type building, an opening and closing control assembly 7 is embedded in the adjusting seat 5, clamping assemblies 6 fixed on the base 4 are symmetrically arranged on both sides of the adjusting seat 5, an embedded pipe 8 is clamped in each clamping assembly, the embedded pipe 8 is connected with safety hooks 10 by safety ropes 9, and both the safety hooks 10 can be hooked into a safety belt on a waist of a human body;
the clamping assembly 6 at least comprises two clamping claws 16 capable of being opened and closed and used for clamping the embedded pipe 8;
and the two groups of clamping components 6 in the clamping state can be controlled by the opening and closing control component 7 to sequentially loosen the embedded pipes 8 clamped by the clamping components one by one.
As shown in fig. 3, the clamping assembly 6 further includes an arc-shaped seat 15, a driving block 17, a hook 20 and a clamping block 21, wherein the arc-shaped seat 15 is fixed on the base 4 by using a fixing block, an installation groove 18 is formed in the middle of the arc-shaped seat 15, two clamping claws 16 which are symmetrically arranged are rotatably connected in the installation groove 18 by using a rotating shaft, one end of each clamping claw 16 extends out of the installation groove 18 so as to clamp the embedded pipe 8, the other end of each clamping claw 16 extends in the horizontal direction, and the rotating shaft is located at a position where the horizontal end of each clamping claw 16 is close to the extending end;
still the symmetry is fixed with the limiting plate 13 that is located the clamping jaw 16 horizontal end top in the mounting groove 18, sliding connection has the drive block 17 among the limiting plate 13, and through pressing the drive block 17 can drive two clamping jaw 16 stretch out the end and be close to each other and press from both sides tightly, and is concrete, press down drive block 17 for clamping jaw can revolute the certain radian of rotation of axes, thereby makes clamping jaw 16 stretch out the end and be close to each other, realizes pressing from both sides tightly to embedded pipe 8.
In this embodiment, a vertically disposed hook 20 is fixed at the bottom of the driving block 17, the bottom of the hook 20 contacts with a latch block 21, the surface of the hook contacting with the latch block is arc-shaped, the latch block 21 is horizontally slidably disposed in a sliding groove disposed in the arc-shaped seat 15, the sliding groove is communicated with the mounting groove 18, a return spring is disposed between the sliding groove and the latch block 21, a third pull rope 22 is fixed at the left end of the latch block 21, the third pull rope 22 slidably passes through the arc-shaped seat 15, and an extending end of the third pull rope 22 is fixed with a connection ring 14, that is, when the embedded pipe 8 is clamped, the embedded pipe 8 is placed between the two clamping jaws 16, the embedded pipe 8 is pushed to press the driving block downwards, so that the extending ends of the two clamping jaws are close to each other to realize clamping, and in the process that the driving block moves downwards, the hook 20 is pushed to move downwards, pothook 20 contacts with the fixture block, and the surface that pothook and fixture block contacted is smooth arcwall face, make the fixture block can not prevent the pothook from continuing to move downwards, and the downward movement in-process of pothook can promote the fixture block and remove along the sliding tray in the horizontal direction, and is concrete, the fixture block can be to the inside shrink of sliding tray, when the hook body part of pothook is located the fixture block below, the fixture block resets under reset spring's effect, realizes the chucking to the pothook, prevents its upward movement, thereby has guaranteed to press from both sides the clamp of tight claw to the clamp of embedding pipe.
In this embodiment, a second telescopic rod 19 is fixed at the bottom of the driving block 17, the other end of the second telescopic rod 19 is fixedly abutted against the bottom wall of the mounting groove 18, a compression spring is sleeved outside the second telescopic rod 19, and the connecting ring 14 is pulled to jack up the driving block 17 under the action of the compression spring, so that the two clamping claws are separated from each other and loosened, specifically, the connecting ring 14 is pulled to enable the clamping block 21 to contract towards the inside of the sliding groove under the action of the third pull rope, so that the clamping block cannot limit the hook body part of the clamping hook, and the driving block rises under the action of the compression spring.
As shown in fig. 2, the connecting ring in the left clamping assembly is connected with the opening and closing control assembly by a first pull rope 11; and a connecting ring in the right clamping assembly is connected with the opening and closing control assembly by adopting a second pull rope 12, and the first pull rope 11 and the second pull rope 12 both slide and penetrate through the adjusting seat 5.
As shown in fig. 4, the opening and closing control assembly 7 includes a driving ring 25, a follower ring 26 and a fixing shaft 27, the fixing shaft 27 is fixed in the cavity of the adjusting seat 5, the follower ring 26 is rotatably sleeved outside the fixing shaft 27, a gap is left between the front and rear end surfaces of the follower ring 26 and the front and rear side walls of the adjusting seat 5, and the driving ring 25 is rotatably sleeved outside the follower ring 26;
a through groove is formed in the top of the adjusting seat 5, so that the driving ring body 25 can extend out of the adjusting seat 5, and the driving ring body 25 can be conveniently rotated from the outside;
a plurality of first baffles 29 are circumferentially arrayed on the inner wall of the driving ring body 25, a plurality of second baffles 30 are circumferentially arrayed on the outer wall of the follow-up ring body 26, the first baffles and the second baffles are mutually crossed and arranged, the first baffles and one sides of the second baffles, which are provided with the first spring mounting seats, are oppositely arranged, so that the first springs are placed, and one sides of the first baffles 29, which are close to the follow-up ring body 26, are contacted with the follow-up ring body 26, so that the first baffles can provide support for the driving ring body 25;
a plurality of third baffles 31 are circumferentially arrayed on the inner wall of the follow-up ring body 26, a plurality of fourth baffles are circumferentially arrayed on the outer wall of the fixed shaft 27, the third baffles and the fourth baffles are mutually crossed and arranged, the third baffles and the fourth baffles are oppositely arranged on one sides of the fourth baffles, which are provided with the second spring mounting seats, so that the second springs are arranged, and one sides of the third baffles 31, which are close to the fixed shaft, are in contact with the fixed shaft, so that the third baffles can provide support for the follow-up ring body;
the elastic coefficient of the second spring is twice that of the first spring.
In this embodiment, the first pulling rope 11 is connected to the outer circumferential surface of the driving ring 25;
the second pull rope 12 is connected to the end portion of the follow-up ring body 26, the ring body 25 is driven in a rotating mode, under the action of the first spring and the second spring, the follow-up ring body does not rotate temporarily or slightly rotates, the first pull rope is pulled at the moment, the second pull rope almost does not move, the embedded pipe is loosened by the clamping claws in the clamping assembly on the left side, only when the rotating ring body rotates to a certain degree, the follow-up ring body rotates along with the follow-up ring body by a large range, the second pull rope is pulled to a certain degree at the moment, the embedded pipe is loosened by the clamping claws in the clamping assembly on the right side, and the embedded pipe can be replaced into other clamping assemblies.
As a preferred embodiment, the opening and closing control assembly 7 further includes a fixing plate 23 and a suction cup 28, the fixing plate 23 is fixed in the adjusting seat 5, and a speed limiting plate 24 is further fixed on the fixing plate 23;
the suckers 28 are circumferentially arrayed on the outer circumference of the driving ring body 25, and the suction ends of the suckers 28 are arranged towards the outside of the driving ring body 25;
the driving ring body is rotated, so that the speed limiting plate can be in contact with the sucker, and the damping is provided for the rotation of the driving ring body.
In a preferred embodiment, the speed-limiting plate 24 is an arc-shaped smooth plate, and the middle part of the speed-limiting plate is higher than the two ends of the speed-limiting plate.
In this embodiment, the bilateral symmetry of base 4 is fixed with connecting rod 3, the below of connecting rod 3 is fixed with telescopic link one 2, the other end of telescopic link one 2 is fixed with fixed foot 1, fixed foot 1 is fixed in on the building side fascia, the outside of telescopic link one 2 still overlaps and is equipped with extension spring.
The device is provided with two groups of clamping components, each clamping component is clamped with an embedded pipe, the embedded pipe is connected with a safety hook by adopting a safety rope, and the two safety hooks can be hooked on a safety belt of the waist of a human body, so that safety protection measures are provided for workers when assembling the building external wall panel, the action range of the workers is limited, and the safety is improved; in addition, the clamping assemblies in the clamping state can be controlled by the opening and closing control assembly to sequentially loosen the clamped embedded pipes one by one instead of simultaneously loosening the embedded pipes, so that potential safety hazards are reduced, and in addition, the opening and closing control assembly is driven by adopting a rotating mode instead of a pressing mode, so that the possibility of mistaken collision is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (5)
1. The utility model provides an assembly type structure side fascia safety device, its includes the base, adjusts seat, clamping component and the control assembly that opens and shuts, its characterized in that: an adjusting seat is fixed at the top of the base, the opening and closing control assembly is embedded in the adjusting seat, clamping assemblies fixed on the base are symmetrically arranged on two sides of the adjusting seat, an embedded pipe is clamped in each clamping assembly, the embedded pipe is connected with safety hooks through safety ropes, and the two safety hooks can be hooked on a safety belt of the waist of a human body;
the clamping assembly at least comprises two clamping claws which can be opened and closed and are used for clamping the embedded pipe;
the two groups of clamping assemblies in the clamping state can be controlled by the opening and closing control assembly to sequentially loosen the clamped embedded pipes one by one;
the clamping assembly further comprises an arc-shaped seat, a driving block, a clamping hook and a clamping block, wherein the arc-shaped seat is fixed on the base through a fixing block, a mounting groove is formed in the middle of the arc-shaped seat, two clamping claws which are symmetrically arranged are rotatably connected in the mounting groove through a rotating shaft, one ends of the clamping claws extend out of the mounting groove so as to clamp the embedded pipe, the other ends of the clamping claws extend in the horizontal direction, and the rotating shaft is located at a position, close to the extending end, of the horizontal end of each clamping claw;
limiting plates positioned above the horizontal ends of the clamping jaws are symmetrically fixed in the mounting groove, a driving block is connected in the limiting plates in a sliding manner, and the extending ends of the two clamping jaws can be driven to mutually approach and clamp by pressing the driving block;
a vertically placed clamping hook is fixed at the bottom of the driving block, the bottom of the clamping hook is in contact with a clamping block, the surface of the clamping hook in contact with the clamping block is arc-shaped, the clamping block is horizontally and slidably arranged in a sliding groove formed in an arc-shaped seat, the sliding groove is communicated with an installation groove, a reset spring is arranged between the sliding groove and the clamping block, a third pull rope is fixed at the left end part of the clamping block, the third pull rope penetrates through the arc-shaped seat in a sliding mode, and a connecting ring is fixed at the extending end of the third pull rope;
a second telescopic rod is fixed at the bottom of the driving block, the other end of the second telescopic rod is fixed and abutted against the bottom wall of the mounting groove, a compression spring is sleeved outside the second telescopic rod, and the connecting ring is pulled to jack up the driving block under the action of the compression spring;
a connecting ring in the clamping assembly on the left side is connected with the opening and closing control assembly through a first pull rope; the connecting ring in the right clamping assembly is connected with the opening and closing control assembly through a second pull rope;
the opening and closing control assembly comprises a driving ring body, a follow-up ring body and a fixed shaft, the fixed shaft is fixed in a cavity of the adjusting seat, the follow-up ring body is rotatably sleeved outside the fixed shaft, gaps are reserved between the front end surface and the rear end surface of the follow-up ring body and the front side wall and the rear side wall of the adjusting seat, and the driving ring body is rotatably sleeved outside the follow-up ring body;
the top of the adjusting seat is also provided with a through groove for enabling the driving ring body to extend out of the adjusting seat;
a plurality of first baffles are circumferentially arrayed on the inner wall of the driving ring body, a plurality of second baffles are circumferentially arrayed on the outer wall of the follow-up ring body, the first baffles and the second baffles are mutually crossed and arranged, the first baffles and one sides of the second baffles, which are provided with first spring mounting seats, are oppositely arranged, so that the first springs are placed, and one sides of the first baffles, which are close to the follow-up ring body, are contacted with the follow-up ring body;
a plurality of third baffles are circumferentially arrayed on the inner wall of the follow-up ring body, a plurality of fourth baffles are circumferentially arrayed on the outer wall of the fixed shaft, the third baffles and the fourth baffles are mutually crossed and arranged, the third baffles and one sides of the fourth baffles, which are provided with second spring mounting seats, are oppositely arranged, so that the second springs are placed, and one sides of the third baffles, which are close to the fixed shaft, are contacted with the fixed shaft;
the elastic coefficient of the second spring is twice that of the first spring.
2. The fabricated building external wall panel safety protection device according to claim 1, wherein: the pull rope is connected to the outer circumferential surface of the driving ring body;
and the second pull rope is connected to the end part of the follow-up ring body.
3. The fabricated building external wall panel safety protection device according to claim 1, wherein: the opening and closing control assembly further comprises a fixed plate and a sucker, the fixed plate is fixed in the adjusting seat, and a speed limiting plate is further fixed on the fixed plate;
the suckers are circumferentially arrayed on the outer circumference of the driving ring body, and the adsorption ends of the suckers are arranged towards the outside of the driving ring body;
and the driving ring body is rotated, so that the speed limiting plate can be contacted with the sucking disc.
4. The fabricated building external wall panel safety protection device according to claim 3, wherein: the speed limiting plate is an arc smooth plate, and the middle part of the speed limiting plate is higher than the two ends of the speed limiting plate.
5. The fabricated building external wall panel safety protection device according to claim 1, wherein: the building external wall panel is characterized in that connecting rods are symmetrically fixed to two sides of the base, a first telescopic rod is fixed to the lower portion of each connecting rod, a fixing foot is fixed to the other end of each first telescopic rod, the fixing feet are fixed to the building external wall panel, and an extension spring is further sleeved outside each first telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201472.9A CN111305583B (en) | 2020-03-20 | 2020-03-20 | Assembly type building side fascia safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201472.9A CN111305583B (en) | 2020-03-20 | 2020-03-20 | Assembly type building side fascia safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111305583A CN111305583A (en) | 2020-06-19 |
| CN111305583B true CN111305583B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010201472.9A Active CN111305583B (en) | 2020-03-20 | 2020-03-20 | Assembly type building side fascia safety device |
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| CN (1) | CN111305583B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0426315D0 (en) * | 2004-12-01 | 2005-01-05 | Dunn & Cowe Ltd | Improved attachment device |
| AU2008100166A4 (en) * | 2007-02-23 | 2008-04-03 | Sayfa R & D Pty Ltd | Coupling member for a fall arrest system |
| CN201771198U (en) * | 2010-05-31 | 2011-03-23 | 中建钢构有限公司 | Fixture for installing safety rope |
| JP2012070819A (en) * | 2010-09-28 | 2012-04-12 | Nifco Inc | String fastener |
| CN205444960U (en) * | 2016-03-30 | 2016-08-10 | 上海亚泽新型屋面系统股份有限公司 | A device that is used for metal roofing to prevent falling |
| JP6483213B1 (en) * | 2017-09-11 | 2019-03-13 | 株式会社プロップ | Audio output device for safety belt |
| CN207597911U (en) * | 2017-12-18 | 2018-07-10 | 杭州阿斯特建筑工程有限公司 | Falling proof device and roof system |
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2020
- 2020-03-20 CN CN202010201472.9A patent/CN111305583B/en active Active
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| CN111305583A (en) | 2020-06-19 |
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