CN115234021A - House building faces limit entrance to a cave design protection fixing device - Google Patents

House building faces limit entrance to a cave design protection fixing device Download PDF

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Publication number
CN115234021A
CN115234021A CN202210884363.0A CN202210884363A CN115234021A CN 115234021 A CN115234021 A CN 115234021A CN 202210884363 A CN202210884363 A CN 202210884363A CN 115234021 A CN115234021 A CN 115234021A
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CN
China
Prior art keywords
clamping frame
connecting rod
protecting
clamping
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210884363.0A
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Chinese (zh)
Inventor
乐磊
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN202210884363.0A priority Critical patent/CN115234021A/en
Publication of CN115234021A publication Critical patent/CN115234021A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3204Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3223Means supported by building floors or flat roofs, e.g. safety railings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3204Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3252Protections, e.g. cover, caps, against impaling on starter reinforcement bars

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to the technical field of building construction, in particular to a shaping, protecting and fixing device for a near-edge opening of a house building, which comprises a floor slab and a reserved opening formed in the floor slab, wherein a clamping device is arranged at the reserved opening, an adjusting device is connected onto the clamping device, and a protecting device is arranged at the top of the adjusting device; the clamping device comprises a clamping frame arranged at the reserved opening, a fastening rod with the bottom penetrating through the top of the clamping frame, a pressing block arranged in the clamping frame and with the top fixedly connected with the bottom of the fastening rod, a connecting plate arranged on the side surface of the clamping frame, a limiting groove arranged at the top of the connecting plate, and a sliding groove arranged on the connecting plate and positioned below the limiting groove; the adjusting device is movably connected with the limiting groove and the sliding groove to be suitable for reserved openings with different sizes; and the protection device is arranged above the adjusting device and used for safety protection.

Description

House building faces limit entrance to a cave design protection fixing device
Technical Field
The invention relates to the technical field of building construction, in particular to a near-edge opening protection device.
Background
In the house building engineering construction, face limit entrance to a cave protection and played crucial effect to the life safety of guarantee operation personnel, especially the elevartor shaft entrance to a cave is located the building inside usually, is close to operation personnel's home range, therefore the face limit protection of elevartor shaft entrance to a cave seems more important.
Present face limit entrance to a cave protector, it protects to adopt apron direct coverage mostly, when the construction at night, can touch the apron by accident when the workman carries construction equipment for the apron takes place to shift easily, thereby causes the apron can not effectively protect the entrance to a cave, and construction light is dim night in addition, has increased the potential safety hazard for the operation personnel of construction at night.
Disclosure of Invention
The invention aims to provide a shaping, protecting and fixing device for a building edge opening, which improves the safety protection effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a shaping, protecting and fixing device for a near-edge opening of a house building comprises a floor slab and a reserved opening formed in the floor slab, wherein a clamping device is arranged at the reserved opening, an adjusting device is connected to the clamping device, and a protecting device is arranged at the top of the adjusting device; the clamping device comprises a clamping frame arranged at a reserved opening, a fastening rod with the bottom penetrating through the top of the clamping frame, a pressing block arranged in the clamping frame and fixedly connected with the top and the bottom of the fastening rod, a connecting plate arranged on the side surface of the clamping frame, a limiting groove arranged at the top of the connecting plate, and a sliding groove arranged on the connecting plate and positioned below the limiting groove; the adjusting device is movably connected with the limiting groove and the sliding groove so as to be suitable for reserved openings with different sizes; the protection device is arranged above the adjusting device and used for safety protection; the device comprises a plurality of clamping frames, a plurality of adjusting devices and a plurality of clamping frames, wherein the clamping frames are arranged at the reserved openings and are respectively arranged at opposite positions of the reserved openings, two ends of each adjusting device are respectively movably connected to the clamping frames at the opposite positions, and at least two groups of adjusting devices are arranged between the clamping frames at the opposite positions.
According to a preferred embodiment of the present invention, the adjusting means comprises: one end of the first connecting rod is connected in the limiting groove, and the other end of the first connecting rod is connected in the sliding groove of the clamping frame at the opposite position; one end of the second connecting rod is connected in the sliding groove, and the other end of the second connecting rod is connected in the limiting groove of the clamping frame at the opposite position; wherein, a connecting rod is the individual layer connecting rod, no. two the connecting rod is double-deck connecting rod, connecting rod one end cartridge is between No. two connecting rods and center department articulates and is the X form and connects.
According to a preferred embodiment of the invention, mounting holes are formed in two ends of the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod are respectively movably connected with a connecting plate, and an X-shaped bracket consisting of at least one group of the first connecting rod and the second connecting rod is arranged between a group of clamping frames arranged in opposite positions.
According to a preferred embodiment of the invention, the protection device comprises a set of limiting rings arranged at the tops of the second connecting rods, a protection rod arranged above the second connecting rods and penetrating through the limiting rings, and a protection net arranged at the top of the protection rod.
According to a preferred embodiment of the invention, the top section of the clamping frame is in an L shape, the front section of the clamping frame is in a C shape, and at least two fastening rods and at least two pressing blocks are arranged on the clamping frame.
According to a preferred embodiment of the invention, a warning device is arranged on the clamping device, and the warning device comprises a warning lamp arranged on the outer surface of the clamping frame, a sensor arranged on the side surface of the clamping frame at the opposite position, and an acoustic alarm arranged on the clamping frame; wherein, the warning light, the inductor with audible alarm electricity is connected.
According to a preferred embodiment of the invention, the top of the sliding chute is in an arc-shaped notch shape and extends to the side surface of the connecting plate, so that the adjusting device is convenient to mount and dismount.
According to a preferred embodiment of the invention, the surface of the fastening rod is provided with an external thread, and the clamping frame is provided with an internal thread matched with the external thread so as to adjust the height of the pressing block.
According to a preferred embodiment of the invention, the surfaces of the clamping frames are coated with warning coatings so that constructors can conveniently identify the positions of reserved openings.
The invention has the beneficial effects that: the device can be conveniently mounted and dismounted with the reserved opening through the clamping device, and the operation is simple, time-saving and labor-saving; the device passes through adjusting device and is retractable to be applicable to not unidimensional reservation mouth, the suitability is strong, and adjusting device and clamping device are detachable connection, and the later stage of being convenient for is accomodate and is put in order, and the practicality is strong. The device can greatly improve the safety performance through the double-layer protection of the protection device. The device is convenient for constructor discernment through warning device and reserves mouthful position and reduce dangerous the emergence.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a schematic view of the storage state of the present invention;
FIG. 4 is a schematic view of the outside of the clamping frame of the present invention;
FIG. 5 is a schematic view of the inside of the clamping frame of the present invention;
FIG. 6 is a schematic top cross-sectional view of an adjustment device of the present invention.
In the figure: 1. a floor slab; 11. reserving a port; 2. a clamping device; 21. a clamping frame; 22. a fastening rod; 23. a compression block; 24. a connecting plate; 25. a limiting groove; 26. a chute; 3. an adjustment device; 31. a first connecting rod; 32. a second connecting rod; 33. mounting holes; 4. a guard device; 41. a limiting ring; 42. a guard bar; 43. a protective net; 5. a warning device; 51. a warning light; 52. an inductor; 53. an audible alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: a shaping, protecting and fixing device for a near-edge opening of a house building comprises a floor slab 1 and a reserved opening 11 formed in the floor slab 1, wherein a clamping device 2 is arranged at the reserved opening 11, an adjusting device 3 is connected onto the clamping device 2, and a protecting device 4 is arranged at the top of the adjusting device 3; the clamping device 2 comprises a clamping frame 21 arranged at the reserved opening 11, a fastening rod 22 with the bottom penetrating through the top of the clamping frame 21, a pressing block 23 arranged in the clamping frame 21 and fixedly connected with the bottom of the fastening rod 22 at the top, a connecting plate 24 arranged on the side surface of the clamping frame 21, a limiting groove 25 arranged at the top of the connecting plate 24, and a sliding groove 26 arranged on the connecting plate 24 and positioned below the limiting groove 25; the adjusting device 3 is movably connected to the limiting groove 25 and the sliding groove 26 so as to be suitable for reserved openings 11 with different sizes; the protection device 4 is arranged above the adjusting device 3 and used for safety protection; a plurality of clamping frames 21 are arranged at the reserved opening 11, the clamping frames 21 are respectively arranged at the opposite positions of the reserved opening 11, two ends of the adjusting device 3 are respectively movably connected to the clamping frames 21 at the opposite positions, and at least two groups of adjusting devices 3 are arranged between the clamping frames 21 at the opposite positions.
The adjusting device 3 comprises a first connecting rod 31, one end of which is connected in the limiting groove 25, and the other end of which is connected in the sliding groove 26 of the clamping frame 21 at the opposite position; a second connecting rod 32, one end of which is connected in the sliding groove 26, and the other end of which is connected in the limiting groove 25 of the clamping frame 21 at the opposite position; the first connecting rod 31 is a single-layer connecting rod, the second connecting rod 32 is a double-layer connecting rod, one end of the first connecting rod 31 is inserted between the second connecting rods 32, and the center of the first connecting rod 31 is hinged to form an X-shaped connection; mounting holes 33 are formed in two ends of the first connecting rod 31 and the second connecting rod 32, the first connecting rod 31 and the second connecting rod 32 are movably connected with the connecting plate 24 respectively, and at least one group of X-shaped support formed by the first connecting rod 31 and the second connecting rod 32 is arranged between the groups of clamping frames 21 arranged at opposite positions; the protection device 4 comprises a group of limiting rings 41 arranged at the tops of the second connecting rods 32, a protection rod 42 arranged above the second connecting rods 32 and penetrating through the limiting rings 41, and a protection net 43 arranged at the top of the protection rod 42; the overlooking section of the clamping frame 21 is L-shaped, the overlooking section of the clamping frame 21 is C-shaped, and at least two fastening rods 22 and at least two pressing blocks 23 are arranged on the clamping frame 21; the clamping device 2 is provided with a warning device 5, and the warning device 5 comprises a warning lamp 51 arranged on the outer surface of the clamping frame 21, a sensor 52 arranged on the side surface of the clamping frame 21 at the opposite position, and an audible alarm 53 arranged on the clamping frame 21; the warning lamp 51, the sensor 52 and the audible alarm 53 are electrically connected; the top of the sliding groove 26 is in an arc notch shape and extends to the side surface of the connecting plate 24, so that the adjusting device 3 is convenient to mount and dismount; the surface of the fastening rod 22 is provided with an external thread, and the clamping frame 21 is provided with an internal thread matched with the external thread to adjust the height of the pressing block 23; the surfaces of the clamping frames 21 are coated with warning coatings so that constructors can conveniently identify the positions of the reserved openings 11.
The using state of the invention is as follows: before using the device, the X form support of assembling No. one connecting rod 31 and No. two connecting rods 32 is connected with connecting plate 24 respectively, be about to No. one connecting rod 31 one end along connecting plate 24 top opening interpolation in spacing groove 25, simultaneously with No. two connecting rod 32 one end along connecting plate 24 side surface opening interpolation in chute 26, if need a plurality of X form supports, then link No. one connecting rod 31 one end of second X form support with No. two connecting rod 32 other ends of preceding X form support articulated, and No. two connecting rod 32 one end of second X form support with No. one connecting rod 31 other end of preceding X form support articulated, splice in proper order and can realize that a plurality of X form leg joint fix realize the clamp 21 interval of flexible in order to adjust the relative position, in order to be applicable to not unidimensional reservation mouth 11 and use.
In this embodiment, there are four clamping frames 21, two sets of adjusting devices 3 are disposed between the clamping frames 21 at opposite positions, each set of adjusting device 3 has seven X-shaped brackets, and after the assembly, the guard bar 42 passes through the limiting rings 41 of the same horizontal line, respectively, to complete the adjustable connection of the four clamping frames 21.
The outside of the clamping frame 21 is in a C shape, the clamping frame 21 is clamped at the reserved opening 11 of the floor slab 1, and the fastening rod 22 is rotated to adjust the height of the pressing block 23, so that the clamping frame 21 is fixedly arranged at the reserved opening 11. When the clamping frame 21 is installed, the adjusting device 3 and the clamping frame 21 can be connected and assembled firstly, and when the clamping frame 21 is fixed at the reserved opening 11 in the state, the clamping frame 21 at one end needs to be fixed firstly, and then the adjusting device 3 stretches to enable the clamping frame 21 at the other end to be fixed with the reserved opening 11. When this is inconvenient, it is also possible to fix the four clamping frames 21 to the reserved holes 11, respectively, and then connect the adjusting device 3 to the connecting plate 24. The use method can be adjusted according to actual conditions, and is simple to operate and convenient to use.
If the X-shaped support is longer in stretching distance and the like, so that the distance between the protective rods 42 is too large, the protective net 43 can be arranged above the protective rods 42, the secondary reinforcing effect is achieved, and the safety performance is improved.
After the installation is finished, the warning lamp 51, the inductor 52 and the sound alarm 53 are started, the warning lamp 51 can remind constructors and nearing persons of the positions of the reserved openings 11, and when the constructors or the nearing persons are close to the inductor 52 for a set distance, the sound alarm gives an alarm to remind the constructors or the nearing persons.
When the device is dismantled to needs, not hard up anchorage bar 22 will compact heap 23 rising, can break away from clamping frame 21 with reserve mouthful 11, pull down clamping frame 21 after again with adjusting device 3 and protector 4 accomodate can, the installation is dismantled conveniently simply, is convenient for accomodate, reduces occupation space and convenient the removal.
The device can be conveniently installed and detached with the reserved opening 11 through the clamping device 2, and the operation is simple, time-saving and labor-saving; the device passes through adjusting device 3 and is retractable to be applicable to not unidimensional reservation mouth 11, the suitability is strong, and adjusting device 3 is detachable connection with clamping device 2, and the later stage of being convenient for is accomodate and is put in order, and the practicality is strong. The device can greatly improve the safety performance of the device through the double-layer protection of the protection device 4. The device is convenient for constructors to identify the position of the reserved opening 11 through the warning device 5 and reduces the occurrence of danger.

Claims (9)

1. A shaping, protecting and fixing device for a limb opening of a house building comprises a floor slab (1) and a reserved opening (11) formed in the floor slab (1), and is characterized in that a clamping device (2) is arranged at the reserved opening (11), an adjusting device (3) is connected onto the clamping device (2), and a protecting device (4) is arranged at the top of the adjusting device (3);
the clamping device (2) comprises a clamping frame (21) arranged at the reserved opening (11), a fastening rod (22) with the bottom penetrating through the top of the clamping frame (21), a pressing block (23) arranged in the clamping frame (21) and fixedly connected with the top of the fastening rod (22), a connecting plate (24) arranged on the side surface of the clamping frame (21), a limiting groove (25) arranged at the top of the connecting plate (24), and a sliding groove (26) arranged on the connecting plate (24) and positioned below the limiting groove (25);
the adjusting device (3) is movably connected to the limiting groove (25) and the sliding groove (26) to be suitable for reserved openings (11) with different sizes;
the protection device (4) is arranged above the adjusting device (3) and is used for safety protection;
reserve mouthful (11) department and be provided with a plurality ofly clamping frame (21), clamping frame (21) set up respectively in reserving mouthful (11) relative position, adjusting device (3) both ends respectively swing joint in relative position clamping frame (21), be located relative position be provided with at least two sets of adjusting device (3) between clamping frame (21).
2. A shaping, protecting and fixing device for a side opening of a house building according to claim 1, characterized in that the adjusting device (3) comprises:
one end of the first connecting rod (31) is connected into the limiting groove (25), and the other end of the first connecting rod is connected into the sliding groove (26) of the clamping frame (21) at the opposite position;
one end of the second connecting rod (32) is connected into the sliding groove (26), and the other end of the second connecting rod is connected into the limiting groove (25) of the clamping frame (21) at the opposite position;
wherein, connecting rod (31) are the individual layer connecting rod, no. two connecting rod (32) are double-deck connecting rod, connecting rod (31) one end cartridge is between No. two connecting rod (32) and center department articulates and is X form leg joint.
3. The shaping, protecting and fixing device for the edge opening of the house building according to claim 2 is characterized in that mounting holes (33) are formed in two ends of the first connecting rod (31) and the second connecting rod (32), the first connecting rod (31) and the second connecting rod (32) are movably connected with the connecting plate (24) respectively, and at least one group of X-shaped supports formed by the first connecting rod (31) and the second connecting rod (32) is arranged between one group of clamping frames (21) which are arranged in opposite positions.
4. The shaping and protecting fixing device for the limb hole opening of the house building according to claim 1, characterized in that the protecting device (4) comprises a set of limiting rings (41) arranged at the tops of the second connecting rods (32), a protecting rod (42) arranged above the second connecting rods (32) and penetrating through the limiting rings (41), and a protecting net (43) arranged at the tops of the protecting rods (42).
5. The shaping, protecting and fixing device for the limb opening of the house building according to claim 1, characterized in that the top section of the clamping frame (21) is L-shaped, the front section of the clamping frame (21) is C-shaped, and at least two fastening rods (22) and at least two pressing blocks (23) are arranged on the clamping frame (21).
6. The shaping, protecting and fixing device for the limb hole opening of the house building according to claim 1, characterized in that a warning device (5) is arranged on the clamping device (2), and the warning device (5) comprises a warning lamp (51) arranged on the outer surface of the clamping frame (21), a sensor (52) arranged on the side surface of the opposite position of the clamping frame (21) and an audible alarm (53) arranged on the clamping frame (21);
wherein the warning lamp (51), the inductor (52) and the sound alarm (53) are electrically connected.
7. The shaping, protecting and fixing device for the critical opening of the house building according to claim 1 is characterized in that the top of the sliding groove (26) is in an arc-shaped notch shape and extends to the side surface of the connecting plate (24), so that the adjusting device (3) is convenient to mount and dismount.
8. The shaping, protecting and fixing device for the side opening of the house building as claimed in claim 1, wherein the fastening rod (22) is provided with an external thread on the surface, and the clamping frame (21) is provided with an internal thread matched with the external thread to adjust the height of the pressing block (23).
9. The shaping, protecting and fixing device for the edge opening of the house building as claimed in claim 1, wherein the surface of the clamping frame (21) is coated with a warning coating so that a constructor can conveniently identify the position of the reserved opening (11).
CN202210884363.0A 2022-07-25 2022-07-25 House building faces limit entrance to a cave design protection fixing device Pending CN115234021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210884363.0A CN115234021A (en) 2022-07-25 2022-07-25 House building faces limit entrance to a cave design protection fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210884363.0A CN115234021A (en) 2022-07-25 2022-07-25 House building faces limit entrance to a cave design protection fixing device

Publications (1)

Publication Number Publication Date
CN115234021A true CN115234021A (en) 2022-10-25

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ID=83674578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210884363.0A Pending CN115234021A (en) 2022-07-25 2022-07-25 House building faces limit entrance to a cave design protection fixing device

Country Status (1)

Country Link
CN (1) CN115234021A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010126919A (en) * 2008-11-25 2010-06-10 Sansei Kenki Kk Door for construction work
US20160002973A1 (en) * 2012-11-09 2016-01-07 Andrea Luisa GRUN Device comprising protective netting, suitable for use as a barrier for any type of opening located at a height
CN206360396U (en) * 2017-01-04 2017-07-28 中冶建工集团有限公司 Face side opening protective device
CN107254971A (en) * 2017-07-31 2017-10-17 中国建筑第七工程局有限公司 One kind faces side opening protective device
CN206737452U (en) * 2017-04-14 2017-12-12 中建八局第三建设有限公司 One kind building hole ballistic support device
KR200489253Y1 (en) * 2018-01-19 2019-08-28 한선아 Installation Structure of Safety Net for Openings with Improved Ease of Installation
CN210685456U (en) * 2019-06-26 2020-06-05 郑州一建集团有限公司 Building faces limit entrance to a cave safety device based on BIM
CN210764534U (en) * 2019-10-14 2020-06-16 中国电建集团中南勘测设计研究院有限公司 Pollute river course water normal position and administer biological bars
CN211775968U (en) * 2019-12-26 2020-10-27 中建八局第一建设有限公司 A face limit protector for floor template construction
CN112709454A (en) * 2020-12-29 2021-04-27 安徽盛世天朗软件科技有限公司 Construction protection device for network equipment and implementation method thereof
CN213418067U (en) * 2020-08-12 2021-06-11 长沙吉天环保科技有限公司 Telescopic shed framework structure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010126919A (en) * 2008-11-25 2010-06-10 Sansei Kenki Kk Door for construction work
US20160002973A1 (en) * 2012-11-09 2016-01-07 Andrea Luisa GRUN Device comprising protective netting, suitable for use as a barrier for any type of opening located at a height
CN206360396U (en) * 2017-01-04 2017-07-28 中冶建工集团有限公司 Face side opening protective device
CN206737452U (en) * 2017-04-14 2017-12-12 中建八局第三建设有限公司 One kind building hole ballistic support device
CN107254971A (en) * 2017-07-31 2017-10-17 中国建筑第七工程局有限公司 One kind faces side opening protective device
KR200489253Y1 (en) * 2018-01-19 2019-08-28 한선아 Installation Structure of Safety Net for Openings with Improved Ease of Installation
CN210685456U (en) * 2019-06-26 2020-06-05 郑州一建集团有限公司 Building faces limit entrance to a cave safety device based on BIM
CN210764534U (en) * 2019-10-14 2020-06-16 中国电建集团中南勘测设计研究院有限公司 Pollute river course water normal position and administer biological bars
CN211775968U (en) * 2019-12-26 2020-10-27 中建八局第一建设有限公司 A face limit protector for floor template construction
CN213418067U (en) * 2020-08-12 2021-06-11 长沙吉天环保科技有限公司 Telescopic shed framework structure
CN112709454A (en) * 2020-12-29 2021-04-27 安徽盛世天朗软件科技有限公司 Construction protection device for network equipment and implementation method thereof

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