CN219864212U - Protective railing fixing device for prefabricated staircase - Google Patents
Protective railing fixing device for prefabricated staircase Download PDFInfo
- Publication number
- CN219864212U CN219864212U CN202321042423.0U CN202321042423U CN219864212U CN 219864212 U CN219864212 U CN 219864212U CN 202321042423 U CN202321042423 U CN 202321042423U CN 219864212 U CN219864212 U CN 219864212U
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- China
- Prior art keywords
- prefabricated staircase
- shaped plate
- fixing device
- guard rail
- plate
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- 230000001681 protective effect Effects 0.000 title abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 5
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of building construction, and particularly discloses a guard rail fixing device of a prefabricated staircase. According to the utility model, the U-shaped plate is clamped at the edge of the floor, the U-shaped plate is fastened on the floor by using the reinforcing component, the connecting component is connected to the U-shaped plate by the screw, the assembly can be completed by connecting the protective railing between the connecting components of adjacent floors, the assembly process is convenient and quick, the protective railing is fixed by using the U-shaped plate in the fixing device, the concrete structure of the floor is not damaged, the U-shaped plate is easy to manufacture, the U-shaped plate can be repeatedly recycled, and the whole protective railing is formed attractive after being installed.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a protective railing fixing device for a prefabricated staircase.
Background
At present, when a building construction site is constructed in a building, temporary edge protection is needed to be carried out on the stairs in order to ensure the safety of constructors, and most of the edge protection of the stairs adopts a steel pipe fastener or is fixed through expansion bolts. The steel pipe fastener is used as the stair edge protection, so that the appearance is not attractive, and site construction materials are wasted; when the expansion bolts are used for fixing the protective rail on the floor slab, holes are required to be drilled in advance on the concrete surface, so that the concrete structure is damaged, and the driven expansion bolts are difficult to detach in the later stage of the protective rail.
Chinese patent 201821983966.1 discloses a novel stairwell protection device, and the device includes a plurality of corner connectors, protection rope and protection railing, the corner connectors includes the base, the lower extreme is connected in the pole setting on the base, connect in pole setting top and with pole setting vertically top horizontal pole and connect in the pole setting and with a plurality of middle part horizontal poles of top horizontal pole parallel, the shape of base is the square, for the steel sheet makes, is equipped with the bolt hole on the base for adopt the bolt to fix the base subaerial, the pole setting welds in the central point department of base. The stairwell protecting device is convenient to install and detach, good in safety and strong in practicability, and can reduce the labor intensity of workers in installation and transportation and greatly accelerate the installation efficiency.
The above patent uses a base to fix the protection device, and the base is driven into the landing of the stairs by bolts passing through the base, and the fixing method causes damage to the concrete surface, thereby affecting the quality of the stairs.
Disclosure of Invention
The utility model aims to provide a protective railing fixing device for a prefabricated staircase, which aims to solve the problem that the existing protective railing for the staircase is fixed on a floor slab by expansion bolts, so that the concrete structure of the floor slab can be damaged, and the quality of the staircase is affected.
In order to achieve the above purpose, the basic scheme provided by the utility model is as follows: the utility model provides a prefabricated staircase's protection railing fixing device, includes U-shaped board, a plurality of screw rod, coupling assembling and is used for making U-shaped board chucking consolidate the subassembly on the floor, every the screw rod all with U-shaped board rigid coupling, a plurality of the screw rod is connected with coupling assembling, coupling assembling can dismantle with protection railing and be connected.
The principle and the beneficial effects of the utility model are as follows: according to the utility model, the U-shaped plate is clamped at the edge of the floor, the U-shaped plate is fastened on the floor by using the reinforcing component, the connecting component is connected to the U-shaped plate by the screw, the assembly can be completed by connecting the protective railing between the connecting components of adjacent floors, the assembly process is convenient and quick, the protective railing is fixed by using the prefabricated U-shaped plate in the fixing device, the concrete structure of the floor is not damaged, the U-shaped plate is easy to manufacture, the U-shaped plate can be repeatedly recycled, and the whole protective railing is attractive in appearance after being installed.
The second scheme is the optimization of the basic scheme, the connecting assembly comprises a vertical rod and a plurality of connecting rods, each connecting rod is fixedly connected to the vertical rod, a connecting plate is fixedly connected to the bottom of the vertical rod, through holes matched with the screw rods are formed in the connecting plate, and each screw rod penetrates through the through holes and is movably sleeved with the connecting plate; the through holes of the connecting plates are aligned with the screw rods and fall to the U-shaped plates, so that the vertical rods and the connecting plates are connected to the U-shaped plates.
The third scheme is the optimization of the basic scheme, the reinforcing component comprises a fixing bolt and a compression plate, the bottom end of the fixing bolt movably penetrates through the U-shaped plate and is fixedly connected with the compression plate, the fixing bolt is connected with a fastening nut in a threaded manner, and the fastening nut is fixedly connected on the U-shaped plate; the U-shaped plate is matched with the edge of the floor slab and clamps the floor slab, and the fixing bolt is screwed downwards due to the fact that the fixing bolt is matched with the fastening nut, and the pressing plate at the end of the fixing bolt is abutted against the floor slab, so that the U-shaped plate is fixed on the floor slab more firmly.
Fourth, which is the preference of the second, the connecting component is in an "F" shape; the F-shaped connecting component is convenient for installing the protective railing.
The sixth scheme is the optimization of the second scheme, and one end of the bent pipe is detachably connected to the connecting rod; the elbow 12 is used for connecting the guard rail and the connecting rod, and is convenient to detach.
The seventh scheme is the optimization of the fifth scheme or the sixth scheme, and the connecting rod and the bent pipe are fixed through bolts; the connecting rod and the bent pipe are sleeved together and fixed by bolts, so that the connection of the guard rail rod can be completed, and the operation is simple and convenient.
Drawings
FIG. 1 is a perspective view of a guard rail fixing device of a prefabricated staircase of the present utility model, with an "F" shaped connecting assembly connected to an elbow;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a perspective view of a guard rail fixing apparatus for a prefabricated staircase in accordance with the present utility model in use.
Description of the embodiments
The utility model is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: 1. a connection assembly; 2. a vertical rod; 3. a connecting rod; 4. a connecting plate; 5. a fixing unit; 6. a U-shaped plate; 7. a screw; 8. a fixing bolt; 9. a compacting plate; 10. a fastening nut; 11. a protective rail; 12. bending the pipe; 13. and (3) floor slabs.
As shown in fig. 1 to 3: the utility model provides a prefabricated staircase's protection railing fixing device, includes U-shaped plate 6, a plurality of screw rod 7, coupling assembling and reinforcement subassembly, and reinforcement subassembly includes fixing bolt 8 and pressure strip 9, and fixing bolt 8 activity runs through U-shaped plate 6 and with pressure strip 9 fixed connection, pressure strip 9 support tightly on floor 13, and threaded connection has fastening nut 10 on the fixing bolt 8, and fastening nut 10 fixed connection is on U-shaped plate 6.
Every screw rod 7 is all fixed connection on U-shaped plate 6, and coupling assembling 1 includes pole setting 2 and two connecting rods 3, and coupling assembling 1 is "F" shape, and two connecting rods 3 fixed connection are in one side of pole setting 2, and the bottom welding of pole setting 2 has connecting plate 4, has seted up on the connecting plate 4 with screw rod 7 assorted through-hole, every screw rod 7 pass the through-hole and cup joint with connecting plate 4.
The both ends of the guard rail 11 are respectively connected with an elbow 12 through bolts, the free end of the connecting rod 3 is sleeved in the elbow 12, and the elbow 12 is connected with the connecting rod 3 through bolts.
The implementation manner of this example is as follows: when the protective railing 11 for the stair is temporarily protected, the fixing bolt 8 is screwed forward, so that the pressing plate 9 approaches one side of the U-shaped plate 6 along with the fixing bolt 8, then the U-shaped plate 6 is clamped on the floor 13, and the fixing bolt 8 is screwed reversely, so that the pressing plate 9 at the end part of the fixing bolt 8 is abutted against the floor 13; the through holes on the connecting plates 4 at the bottoms of the vertical rods 2 are aligned with the screw rods 7 on the U-shaped plates 6, the connecting plates 4 are inserted on the screw rods 7, at the moment, the connecting plates 4 fall on the upper surfaces of the U-shaped plates 6, the bent pipes 12 at the two ends of the protection railing 11 are respectively sleeved on the connecting rods 3 on the vertical rods 2 of the adjacent floors, one sides of the bent pipes 12 are penetrated by bolts to abut against the connecting rods 3 for fixing, and the two ends of the protection railing 11 are inserted into the two bent pipes 12 and are fixed by bolts.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. The utility model provides a prefabricated staircase's protection railing fixing device, its characterized in that includes U-shaped board (6), a plurality of screw rod (7), coupling assembling (1) and is used for making U-shaped board (6) chucking consolidate the subassembly on the floor, every screw rod (7) all with U-shaped board (6) rigid coupling, a plurality of screw rod (7) are connected with coupling assembling (1), coupling assembling (1) can dismantle with protection railing (11) and be connected.
2. The guard rail fixing device of the prefabricated staircase according to claim 1, characterized in that the connecting assembly (1) comprises a vertical rod (2) and a plurality of connecting rods (3), each connecting rod (3) is fixedly connected to the vertical rod (2), a connecting plate (4) is fixedly connected to the bottom of the vertical rod (2), through holes matched with the screw rods (7) are formed in the connecting plate (4), and each screw rod (7) is movably sleeved with the connecting plate (4) through the through holes.
3. The guard rail fixing device of the prefabricated staircase according to claim 1, characterized in that the reinforcing component comprises a fixing bolt (8) and a pressing plate (9), the bottom end of the fixing bolt (8) movably penetrates through the U-shaped plate (6) and is fixedly connected with the pressing plate (9), a fastening nut (10) is connected to the fixing bolt (8) in a threaded mode, and the fastening nut (10) is fixedly connected to the U-shaped plate (6).
4. A guard rail fixing apparatus of a prefabricated staircase according to claim 2, characterized in that the connection assembly (1) is "F" shaped.
5. A guard rail fixing apparatus of a prefabricated staircase according to claim 1, characterized in that one end of the bent pipe (12) is detachably connected to the connecting rod (3).
6. The guard rail fixing device of a prefabricated staircase according to claim 5, characterized in that the connecting rod (3) and the bent pipe (12) are fixed by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042423.0U CN219864212U (en) | 2023-05-05 | 2023-05-05 | Protective railing fixing device for prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042423.0U CN219864212U (en) | 2023-05-05 | 2023-05-05 | Protective railing fixing device for prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864212U true CN219864212U (en) | 2023-10-20 |
Family
ID=88338373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321042423.0U Active CN219864212U (en) | 2023-05-05 | 2023-05-05 | Protective railing fixing device for prefabricated staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864212U (en) |
-
2023
- 2023-05-05 CN CN202321042423.0U patent/CN219864212U/en active Active
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