CN215211971U - Prefabricated staircase mounting structure convenient to self leveling - Google Patents
Prefabricated staircase mounting structure convenient to self leveling Download PDFInfo
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- CN215211971U CN215211971U CN202120821231.4U CN202120821231U CN215211971U CN 215211971 U CN215211971 U CN 215211971U CN 202120821231 U CN202120821231 U CN 202120821231U CN 215211971 U CN215211971 U CN 215211971U
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Abstract
The utility model relates to a prefabricated stair mounting structure convenient to self leveling, include: the supporting structure comprises a prefabricated staircase, and two ends of the prefabricated staircase are respectively lapped on the upper landing ladder beam and the lower landing ladder beam; leveling connection structure, leveling connection structure include at least three screw sleeve, and screw sleeve runs through pre-buried tip at prefabricated staircase, and each end of prefabricated staircase is equipped with a screw sleeve at least, and screw sleeve internal thread fit is equipped with adjusting bolt, and adjusting bolt bottom offsets with corresponding landing ladder roof beam, and the clearance packing between prefabricated staircase tip and the landing ladder roof beam has the filling layer. The utility model has the advantages of being simple in structure and convenient in operation, need not during the installation with the help of special leveling instrument, only need can realize the leveling work of prefabricated stair through adjusting bolt cooperation spirit level, simplified the installation technology, improved the installation effectiveness.
Description
Technical Field
The utility model relates to a prefabricated staircase technical field especially relates to a prefabricated staircase mounting structure convenient to self leveling.
Background
With the continuous progress of science and technology, the assembly type construction technology is greatly developed under the strong support and active promotion of the country. The stair is a main passage for people to go upstairs and downstairs, the prefabricated stair is one of main components of the prefabricated building, and the horizontal quality of the installation of the prefabricated stair directly affects the quality of the building and the living quality of people.
At present, the problems of complex installation operation, low precision and the like of the prefabricated staircase commonly exist in the building construction process, and in the known technical field, few installation technical achievements capable of simply and efficiently improving the horizontal quality of the prefabricated staircase exist. Wherein, utility model patent with publication number CN210798225U discloses a prefabricated stair levelling instrument with adjustable, though it has realized the leveling function, nevertheless in the field construction application process, its structure must depend on the wall body, leads to the convenience of its installation, dismantlement and operation relatively poor, and the efficiency of construction is lower.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide a prefabricated stair mounting structure convenient to self leveling.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a prefabricated staircase mounting structure for facilitating self leveling, comprising:
the supporting structure comprises a prefabricated staircase, and two ends of the prefabricated staircase are respectively lapped on the upper landing ladder beam and the lower landing ladder beam;
leveling connection structure, leveling connection structure include three piece at least screw thread sleeves, and screw thread sleeve runs through pre-buried tip at prefabricated staircase, and each end of prefabricated staircase is equipped with a screw thread sleeve at least, and screw thread sleeve internal thread fit is equipped with adjusting bolt, and adjusting bolt bottom offsets with corresponding landing ladder roof beam, and the clearance packing between prefabricated staircase tip and the landing ladder roof beam has the filling layer.
Further, prefabricated staircase tip is equipped with at least a set of positioning mechanism with the cooperation of landing ladder roof beam, and positioning mechanism is located prefabricated staircase's upper end and/or lower extreme, and positioning mechanism is located prefabricated staircase tip and the landing ladder roof beam that corresponds respectively including the preformed hole and the pre-buried stock that the cooperation set up and both, and the external diameter of pre-buried stock is less than the internal diameter of preformed hole.
Furthermore, positioning mechanism's quantity is two, and two sets of positioning mechanism's the equal vertical pre-buried on last platform ladder beam of pre-buried stock, and the preformed hole runs through and sets up in the upper end of prefabricated staircase.
Further, the number of the threaded sleeves is four, two threaded sleeves are located at the upper end of the prefabricated staircase, and the other two threaded sleeves are located at the lower end of the prefabricated staircase.
Furthermore, the filling layer is a cement mortar filling layer.
Further, a cement mortar filling layer is filled in a gap between the embedded anchor rod and the preformed hole.
The utility model has the advantages that: the utility model has the advantages of being simple in structure and convenient in operation, need not during the installation with the help of special leveling instrument, only need can realize the leveling work of prefabricated stair through adjusting bolt cooperation spirit level, simplified the installation technology, improved the installation effectiveness.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
in the figure: 1-a support structure; 11-prefabricating a stair; 12-upper landing ladder beams; 13-lower platform ladder beam; 2-leveling the connecting structure; 21-a threaded sleeve; 22-adjusting bolts; 23-a filler layer; 24-preparing a hole; 25-embedding anchor rods;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown, the present embodiment includes:
the support structure 1 comprises a prefabricated staircase 11, wherein two ends of the prefabricated staircase 11 are respectively lapped on an upper landing ladder beam 12 and a lower landing ladder beam 13;
the leveling connecting structure 2 comprises four threaded sleeves 21, the threaded sleeves 21 penetrate through and are embedded in the end parts of the prefabricated stairways 11, two of the threaded sleeves 21 are located at the upper ends of the prefabricated stairways 11, the other two threaded sleeves are located at the lower ends of the prefabricated stairways 11, at least one threaded sleeve 21 is arranged at each end of each prefabricated stairway 11, adjusting bolts 22 are arranged in the threaded sleeves 21 in a matched mode, the bottoms of the adjusting bolts 22 abut against corresponding platform ladder beams, a filling layer 23 is filled in gaps between the end parts of the prefabricated stairways 11 and the platform ladder beams, and the filling layer 23 is a cement mortar filling layer;
11 tip of prefabricated staircase and the cooperation of landing ladder beam are equipped with two sets of positioning mechanism, and two sets of positioning mechanism all are located prefabricated staircase 11's upper end, and positioning mechanism is including the preformed hole 24 and the pre-buried stock 25 that the cooperation set up, and the equal vertical pre-buried of pre-buried stock 25 is on last landing ladder beam 12, and preformed hole 24 runs through and sets up on prefabricated staircase 11, and the external diameter of pre-buried stock 25 is less than the internal diameter of preformed hole 24, and the clearance packing of pre-buried stock 25 and preformed hole 24 has cement mortar filling layer.
During installation, two embedded anchor rods 25 are embedded in the upper landing ladder beam 12 according to the designed position, and a reserved hole 24 corresponding to the embedded anchor rods 25 is reserved in the upper end of the prefabricated staircase 11. Prefabricated staircase 11 hoists and laps on the landing ladder beam, make pre-buried stock 25 pass prefabricated staircase 11's preformed hole 24, install adjusting bolt 22 in threaded sleeve 21, the levelness of prefabricated staircase 11 is adjusted through the mode of the length that four adjusting bolt 22 of adjustment stretch out the threaded sleeve 21 bottom, utilize the spirit level to proofread when adjusting, utilize cement mortar to fill to the space between prefabricated staircase 11 and the landing ladder beam and the gap between preformed hole 24 and the pre-buried stock 25 when the levelness satisfies the designing requirement, realize being connected of landing ladder beam and prefabricated staircase 11, dismantle adjusting bolt 22 after cement mortar intensity reaches the designing requirement, fill pre-buried threaded sleeve 21 inner chamber with cement mortar again.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a prefabricated staircase mounting structure convenient to self leveling which characterized in that includes:
the support structure (1) comprises a prefabricated staircase (11), and two ends of the prefabricated staircase (11) are respectively lapped on an upper landing ladder beam (12) and a lower landing ladder beam (13);
leveling connection structure (2), leveling connection structure (2) include three piece at least screw sleeve (21), screw sleeve (21) run through pre-buried tip at prefabricated stair (11), each end of prefabricated stair (11) is equipped with a screw sleeve (21) at least, screw sleeve (21) interior screw-thread fit is equipped with adjusting bolt (22), adjusting bolt (22) bottom offsets with corresponding platform ladder roof beam, the clearance packing between prefabricated stair (11) tip and the platform ladder roof beam has filling layer (23).
2. The prefabricated staircase installation structure convenient for self leveling of claim 1, wherein at least one set of positioning mechanism is arranged at the end of the prefabricated staircase (11) and the landing ladder beam in a matching manner, the positioning mechanism is positioned at the upper end and/or the lower end of the prefabricated staircase (11), the positioning mechanism comprises a preformed hole (24) and an embedded anchor rod (25) which are arranged in a matching manner, the preformed hole (24) and the embedded anchor rod (25) are respectively positioned at the end of the prefabricated staircase (11) and the corresponding landing ladder beam, and the outer diameter of the embedded anchor rod (25) is smaller than the inner diameter of the preformed hole (24).
3. The prefabricated staircase installation structure convenient for self leveling as claimed in claim 2, wherein the number of the positioning mechanisms is two, the pre-embedded anchor rods (25) of the two sets of positioning mechanisms are vertically pre-embedded on the upper landing ladder beam (12), and the preformed holes (24) are arranged at the upper end of the prefabricated staircase (11) in a penetrating manner.
4. Prefabricated staircase mounting structure convenient for self levelling according to claim 1, characterized in that the number of threaded sleeves (21) is four, two at the upper end of the prefabricated staircase (11) and two at the lower end of the prefabricated staircase (11).
5. Prefabricated staircase installation structure facilitating self levelling according to claim 1, characterised in that the filling layer (23) is a cement mortar filling layer.
6. The prefabricated staircase installation structure convenient for self leveling as claimed in claim 1, wherein the gap between the pre-buried anchor rods (25) and the prepared holes (24) is filled with a cement mortar filling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821231.4U CN215211971U (en) | 2021-04-21 | 2021-04-21 | Prefabricated staircase mounting structure convenient to self leveling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821231.4U CN215211971U (en) | 2021-04-21 | 2021-04-21 | Prefabricated staircase mounting structure convenient to self leveling |
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| CN215211971U true CN215211971U (en) | 2021-12-17 |
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| CN202120821231.4U Active CN215211971U (en) | 2021-04-21 | 2021-04-21 | Prefabricated staircase mounting structure convenient to self leveling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324319A (en) * | 2022-08-08 | 2022-11-11 | 中国建筑第八工程局有限公司 | Installation positioning device for prefabricated staircase and construction method thereof |
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2021
- 2021-04-21 CN CN202120821231.4U patent/CN215211971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324319A (en) * | 2022-08-08 | 2022-11-11 | 中国建筑第八工程局有限公司 | Installation positioning device for prefabricated staircase and construction method thereof |
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