CN213390904U - Novel prefabricated stair tread - Google Patents
Novel prefabricated stair tread Download PDFInfo
- Publication number
- CN213390904U CN213390904U CN202021652760.8U CN202021652760U CN213390904U CN 213390904 U CN213390904 U CN 213390904U CN 202021652760 U CN202021652760 U CN 202021652760U CN 213390904 U CN213390904 U CN 213390904U
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- stair
- novel prefabricated
- board
- stair board
- connecting plate
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Abstract
The utility model relates to the technical field of stair boards, in particular to a novel prefabricated stair board, which can reduce the quality of the stair board, reduce the pressure of the stair board on a building while meeting the bearing requirement, facilitate the hoisting of hoisting equipment, save time and labor and improve the practicability; including the stair board, stair board left end and right-hand member are provided with left connecting plate and right connecting plate respectively, and stair board top is provided with the multiunit step, and the step middle part is provided with logical groove, and stair board bottom is provided with the recess, and left connecting plate and right connecting plate top all are provided with the hole for hoist, and every group step top all is provided with handrail mounting hole, handrail mounting hole and logical groove intercommunication.
Description
Technical Field
The utility model relates to a technical field of stair tread especially relates to a novel prefabricated stair tread.
Background
The stair is an important construction for vertical traffic between floors in the building, most of the stairs in the traditional building are cast-in-place concrete stairs in a construction site, a formwork needs to be erected and a steel bar needs to be laid during construction, then concrete is poured, the construction form of the cast-in-place stair is complex in construction process and high in quality requirement of workers, and once the operation of the workers is unqualified, the poured stair cannot meet the acceptance requirement; and pre-buried stair rail installation ironware causes the damage of secondary installation to the stair easily, destroys the security of stair, along with the continuous development of building technology, prefabricated stair board has been widely used in the building field.
However, the whole solid one shot forming that adopts of current prefabricated stair board, whole weight is heavier, and the whole dead weight of greatly increased building causes great pressure to a supporting beam of building, is unfavorable for building self's stability, wastes time and energy during the handling simultaneously, and extravagant material leads to the practicality lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can make with it the stair board quality reduce, can reduce the pressure of stair board to the building when satisfying the bearing requirement to the handling of the hoisting equipment of being convenient for, labour saving and time saving has improved the novel prefabricated stair board of practicality.
The utility model discloses a novel prefabricated stair board, including the stair board, stair board left end and right-hand member are provided with left connecting plate and right connecting plate respectively, and stair board top is provided with the multiunit step, and the step middle part is provided with logical groove, and stair board bottom is provided with the recess, and left connecting plate and right connecting plate top all are provided with the hole for hoist, and every group step top all is provided with the handrail mounting hole, handrail mounting hole and logical groove intercommunication.
The utility model discloses a novel prefabricated stair board still includes the built-in fitting, and the built-in fitting is installed on the reinforcing bar top that the ligature was accomplished, and the built-in fitting top is provided with the screw hole.
The utility model discloses a novel prefabricated stair board leads to the groove middle part and is provided with the backing plate, and the backing plate is located handrail mounting hole bottom side.
The utility model discloses a novel prefabricated stair tread, the hole for hoist top is the rectangle, and the bottom is circular.
The utility model discloses a novel prefabricated stair board, wherein the hoist includes bottom plate and connecting block, and the bottom plate top is connected with the connecting block bottom, and bottom plate position rectangle, connecting block position are circular, and the connecting block top is provided with the jack-up hole.
The utility model discloses a novel prefabricated stair board, the built-in fitting bottom is passed through the electric welding with the reinforcing bar top and is connected.
The utility model discloses a novel prefabricated stair tread, built-in fitting position T type connecting piece.
The utility model discloses a novel prefabricated stair tread, the handrail mounting hole is rectangle or square.
Compared with the prior art, the beneficial effects of the utility model are that: utilize the template to carry out the formwork earlier, carry out reinforcement, then pour the concrete, treat that the concrete solidifies after, make hoist and hole for hoist cooperation be connected, utilize wherein equipment to be connected with the cooperation of hoist and take one's place the stair tread removal, install stair rail handrail through handrail mounting hole, through setting up above device, can make with it the stair tread quality reduce, can reduce the pressure of stair tread to the building when satisfying the bearing requirement, and the handling of the hoisting equipment of being convenient for, time saving and labor saving, the practicality has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the stair tread of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic structural diagram of the present invention a;
fig. 4 is a schematic structural diagram of the present invention B;
fig. 5 is a schematic structural diagram of the lifting appliance of the present invention.
In the drawings, the reference numbers: 1. a stair tread; 2. a left connecting plate; 3. a right connecting plate; 4. a step; 5. a through groove; 6. a groove; 7. hoisting holes; 8. a handrail mounting hole; 9. embedding parts; 10. a threaded hole; 11. a base plate; 12. a base plate; 13. and (4) connecting the blocks.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the novel prefabricated stair tread of the utility model comprises a stair tread 1, wherein the left end and the right end of the stair tread 1 are respectively provided with a left connecting plate 2 and a right connecting plate 3, the top end of the stair tread 1 is provided with a plurality of groups of steps 4, the middle part of each step 4 is provided with a through groove 5, the bottom end of the stair tread 1 is provided with a groove 6, the top ends of the left connecting plate 2 and the right connecting plate 3 are respectively provided with a hoisting hole 7, the top end of each group of steps 4 is provided with a handrail mounting hole 8, and the handrail mounting holes 8 are communicated with the through; utilize the template earlier to carry out the formwork, carry out reinforcement, then pour the concrete, treat that the concrete solidifies after, make hoist and hole for hoist 7 cooperation be connected, utilize wherein equipment to be connected with the cooperation of hoist and take one's place the stair tread removal, install stair rail handrail through handrail mounting hole 8, through setting up above device, can make with it the stair tread quality reduce, can reduce the pressure of stair tread to the building when satisfying the bearing requirement, and be convenient for lifting equipment's handling, time saving and labor saving, and the practicality has been improved.
The novel prefabricated stair board of the utility model also comprises an embedded part 9, the embedded part 9 is arranged at the top end of the bound steel bar, and a threaded hole 10 is arranged at the top end of the embedded part 9; through pre-buried built-in fitting 9, can be convenient for constructor to the removal of stair tread, improved the convenience.
The novel prefabricated stair board of the utility model is characterized in that a backing plate 11 is arranged in the middle of the through groove 5, and the backing plate 11 is positioned at the bottom side of the handrail mounting hole 8; the bottom end of the handrail installed through the handrail installation hole 8 is located on the base plate 11, so that the height of the handrail can be conveniently adjusted, the handrail is more stably installed, and the practicability is improved.
The top of the hoisting hole 7 is rectangular, and the bottom is circular; the bottom end of the lifting appliance extends into the bottom of the lifting hole 7, then the lifting appliance is rotated, so that the bottom end of the lifting appliance is contacted with the bottom end of the rectangle, the stair plates are convenient to lift, and the practicability is improved.
The utility model discloses a novel prefabricated stair board, wherein the hoist includes bottom plate 12 and connecting block 13, the top of bottom plate 12 is connected with the bottom of connecting block 13, 12-bit rectangle of bottom plate, 13-bit circle of connecting block, 13 tops of connecting block have jack-up holes; insert bottom plate 12 to hole for hoist 7 bottoms, rotate connecting block 13, make bottom plate 12 be connected with the cooperation of hole for hoist 7 bottoms, be convenient for remove the hoist and mount of stair board, improved the practicality.
The utility model relates to a novel prefabricated stair tread, the embedded part is a 9-position T-shaped connecting piece; the tensile strength of the embedded part 9 is improved, and the practicability is improved.
The utility model discloses a novel prefabricated stair tread, it is at the during operation, at first utilize the template to carry out formwork, carry out reinforcement, then pour the concrete, treat after the concrete solidifies, insert bottom plate 12 to the 7 bottoms of hole for hoist, rotate connecting block 13, make bottom plate 12 be connected with the cooperation of 7 bottoms of hole for hoist, later utilize wherein equipment to be connected with the cooperation of hoist and take one's place the stair tread removal, through 8 installation stair rail handrails of handrail mounting hole, make 8 bottoms of handrail mounting hole and 5 top contacts of logical groove, then carry out the monolithic and can.
The utility model discloses a novel prefabricated stair tread, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel prefabricated stair board, a serial communication port, including stair board (1), stair board (1) left end and right-hand member are provided with left connecting plate (2) and right connecting plate (3) respectively, stair board (1) top is provided with multiunit step (4), step (4) middle part is provided with logical groove (5), stair board (1) bottom is provided with recess (6), left side connecting plate (2) and right connecting plate (3) top all are provided with hole for hoist (7), every group step (4) top all is provided with handrail mounting hole (8), handrail mounting hole (8) and logical groove (5) intercommunication.
2. A novel prefabricated stair board according to claim 1, further comprising embedded parts (9), wherein the embedded parts (9) are installed at the top ends of the bound steel bars, and threaded holes (10) are formed in the top ends of the embedded parts (9).
3. A novel prefabricated staircase board according to claim 2, characterized in that a backing plate (11) is arranged in the middle of the through slot (5), the backing plate (11) being located at the bottom side of the handrail mounting hole (8).
4. A novel prefabricated staircase board according to claim 1, characterized in that the lifting holes (7) are rectangular at the top and circular at the bottom.
5. A novel prefabricated staircase board as defined in claim 4, wherein the lifting means comprises a bottom plate (12) and a connecting block (13), the top end of the bottom plate (12) is connected with the bottom end of the connecting block (13), the bottom plate (12) is rectangular, the connecting block (13) is circular, and the top end of the connecting block (13) is provided with a lifting hole.
6. A novel prefabricated staircase board according to claim 2, characterized in that the bottom ends of the embedded parts (9) are connected with the top ends of the reinforcing bars by electric welding.
7. A new prefabricated staircase board according to claim 2, characterised in that said embedment (9) is a T-shaped connection.
8. A novel prefabricated staircase board according to claim 1, characterised in that the handrail mounting holes (8) are rectangular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652760.8U CN213390904U (en) | 2020-08-11 | 2020-08-11 | Novel prefabricated stair tread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652760.8U CN213390904U (en) | 2020-08-11 | 2020-08-11 | Novel prefabricated stair tread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213390904U true CN213390904U (en) | 2021-06-08 |
Family
ID=76204301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652760.8U Active CN213390904U (en) | 2020-08-11 | 2020-08-11 | Novel prefabricated stair tread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213390904U (en) |
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2020
- 2020-08-11 CN CN202021652760.8U patent/CN213390904U/en active Active
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