CN218970263U - Prefabricated stair embedded bolt positioning and fixing device of assembled - Google Patents
Prefabricated stair embedded bolt positioning and fixing device of assembled Download PDFInfo
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- CN218970263U CN218970263U CN202223435837.8U CN202223435837U CN218970263U CN 218970263 U CN218970263 U CN 218970263U CN 202223435837 U CN202223435837 U CN 202223435837U CN 218970263 U CN218970263 U CN 218970263U
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Abstract
The utility model discloses an assembly type prefabricated stair embedded bolt positioning and fixing device which comprises two oppositely arranged adjusting frames and bolt positioning blocks which are slidably arranged between the two adjusting frames, wherein the two adjusting frames are connected through two adjusting screws, a sliding groove is formed in the inner side of each adjusting frame, length scale marks are formed in the outer side of one adjusting frame, two through holes for the adjusting screws to pass through are formed in the adjusting frame, two groups of locking pieces are arranged on the adjusting screws, and an inner hexagon embedded piece for positioning the hexagon heads of embedded bolts is arranged on the bolt positioning blocks. The embedded type stair is reasonable in structural design and wide in application range, the two bolt positioning blocks are arranged between the two adjusting frames in a sliding mode, the hexagon heads of the embedded bolts are positioned by the inner hexagon embedded parts arranged on the bolt positioning blocks, the embedded precision and the verticality of the two embedded bolts on the stair beam can be effectively guaranteed, and then rapid assembly of the prefabricated stair is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an assembly type prefabricated staircase embedded bolt positioning and fixing device.
Background
The development of the assembled building is an important way for realizing the aim of the building industry, the country has clear requirements on the assembly rate of newly opened projects, the main body structure is often laminated slabs and prefabricated stairs in the aspect of assembly rate use, and the installation and connection of the prefabricated stairs are often important. Therefore, the prefabricated stairway is increasingly popularized and applied to engineering projects. A total of 4 embedded screws on the upper and lower stair beams of the stair run are required to be installed with reserved holes of the prefabricated stair in a total accurate mode, and in the practical process, the embedded bolts in the stair beams can possibly have the problems of inaccurate embedding, misalignment, displacement of embedded parts and the like, meanwhile, the prefabricated stair cannot be hoisted due to the requirement of hoisting precision of the prefabricated stair, and the difficulty is increased for cutting the embedded bolts, affecting structural safety and processing connection of the subsequent prefabricated stair.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and provides the positioning and fixing device for the embedded bolts of the assembled prefabricated staircase, which has reasonable structural design and wide application range, and can effectively ensure the embedded precision and verticality of the two embedded bolts on the ladder beam by sliding two bolt positioning blocks between two adjusting frames and arranging an inner hexagonal embedded part on the bolt positioning blocks to position the hexagon heads of the embedded bolts, thereby ensuring the rapid assembly of the prefabricated staircase.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an prefabricated stair pre-buried bolt positioning and fixing device which characterized in that: including two regulation framves that lay relatively and slidable mounting bolt locating piece between two regulation framves, two connect through two adjusting screw between the regulation frame, every the inboard of regulation frame all is provided with one and supplies bolt locating piece slidable mounting's spout, the spout is laid along the length direction of regulation frame, one the outside of regulation frame be provided with one with spout assorted length scale mark, adjusting screw and regulation frame mutually perpendicular, two perforation that supply adjusting screw to pass have been seted up on the regulation frame, the perforation is located the top of spout, be provided with two sets of retaining members that lock two regulation framves respectively on the adjusting screw, be provided with one on the bolt locating piece and be used for carrying out the hexagon built-in fitting that fixes a position to pre-buried bolt's hexagon head.
Foretell an assembled prefabricated staircase pre-buried bolt positioning fixing device, its characterized in that: the locking piece comprises a first locking nut and a second locking nut which are matched with the adjusting screw, and the first locking nut and the second locking nut are respectively positioned at two sides of the adjusting frame.
Foretell an assembled prefabricated staircase pre-buried bolt positioning fixing device, its characterized in that: the adjusting frame is a U-shaped plate with an opening at the upper part, and two sides of the opening end of the adjusting frame are respectively provided with a perforation.
Foretell an assembled prefabricated staircase pre-buried bolt positioning fixing device, its characterized in that: the bolt locating block is a rectangular plate, two nail holes used for fixing the bolt locating block are formed in one diagonal line of the bolt locating block, and the inner hexagonal embedded part is located between the two nail holes.
Foretell an assembled prefabricated staircase pre-buried bolt positioning fixing device, its characterized in that: the top of the inner hexagonal embedded part is higher than the top of the bolt positioning block.
Foretell an assembled prefabricated staircase pre-buried bolt positioning fixing device, its characterized in that: the sliding groove penetrates through the bottom of the adjusting frame.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the two bolt positioning blocks are arranged between the two adjusting frames in a sliding manner, so that the two embedded bolts of the upper ladder beam or the lower ladder beam of the one-running stair can be synchronously positioned, the embedded precision of the embedded bolts can be effectively ensured, meanwhile, the two embedded bolts can be accurately matched with the reserved holes of the prefabricated stair, and the prefabricated stair can be smoothly assembled.
2. According to the embedded bolt positioning device, the hexagon head of the embedded bolt is positioned and fixed by arranging the inner hexagon embedded part on the bolt positioning block, so that the embedded bolt can be effectively prevented from shifting in the casting process of the ladder beam, and the embedded accuracy and verticality of the embedded bolt are ensured.
3. According to the utility model, the two adjusting frames are connected through the two adjusting screws, so that the two bolt positioning blocks can be conveniently installed, meanwhile, the adjusting frames can be used in a turnover way, and the two adjusting frames can clamp the two bolt positioning blocks through the arrangement of the locking piece so as to ensure the stability of the bolt positioning blocks.
In conclusion, the embedded stair is reasonable in structural design and wide in application range, the two bolt positioning blocks are arranged between the two adjusting frames in a sliding mode, the hexagon heads of the embedded bolts are positioned by the hexagon embedded parts arranged on the bolt positioning blocks, the embedded precision and the verticality of the two embedded bolts on the stair beam can be effectively guaranteed, and then rapid assembly of the prefabricated stair is guaranteed.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the positional relationship between the bolt positioning block and two adjusting frames according to the present utility model.
Reference numerals illustrate:
1-an adjusting frame; 2-a bolt positioning block; 3-adjusting the screw;
4-a first lock nut; 5-a second lock nut; 6, a chute;
7-length scale marks; 8-nail holes; 9-an inner hexagonal embedded part.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises two oppositely arranged adjusting frames 1 and bolt positioning blocks 2 which are slidably arranged between the two adjusting frames 1, the two adjusting frames 1 are connected through two adjusting screws 3, a sliding groove 6 for slidably mounting the bolt positioning blocks 2 is arranged on the inner side of each adjusting frame 1, the sliding groove 6 is arranged along the length direction of the adjusting frame 1, a length scale mark 7 matched with the sliding groove 6 is arranged on the outer side of one adjusting frame 1, the adjusting screws 3 are mutually perpendicular to the adjusting frames 1, two through holes for the adjusting screws 3 to pass through are formed in the adjusting frames 1, the through holes are positioned above the sliding groove 6, two groups of locking pieces for locking the two embedded frames 1 are respectively arranged on the adjusting screws 3, and an inner hexagonal pre-embedded piece 9 for positioning the hexagon heads of the embedded bolts is arranged on the bolt positioning blocks 2.
During the in-service use, ladder beam die plate is all hugged closely to the bottom of two alignment brackets 1 and lays, and two alignment brackets 1 all with ladder beam die plate mutually perpendicular, through sliding between two alignment brackets 1 set up two bolt locating pieces 2, can realize running two embedded bolts of stair upper portion ladder beam or lower part ladder beam and carry out synchronous positioning, and then can effectively guarantee embedded bolt's pre-buried precision, guarantee simultaneously that two embedded bolts and prefabricated staircase reserve between the hole can accurate matching, ensure that prefabricated staircase can assemble smoothly.
It should be noted that, through setting up hexagon built-in fitting 9 on bolt locating piece 2 and fixing the hexagon head of embedded bolt, can effectively avoid embedded bolt to take place the aversion at the ladder beam in-process of pouring, guarantee embedded bolt's embedded precision and straightness that hangs down.
During the concrete implementation, connect two alignment brackets 1 through two adjusting screw 3, can be convenient for the installation of two bolt locating pieces 2, make alignment brackets 1 can turnover use simultaneously, the setting of retaining member can make two alignment brackets 1 press from both sides tightly in order to guarantee the stability of bolt locating piece 2 to two bolt locating pieces 2.
It should be noted that, through one the outside of adjusting frame 1 set up one with spout 6 assorted length scale mark 7, can pass through the interval between two bolt locating pieces 2 of length scale mark 7 accurate adjustment, and then the interval between two pre-buried bolts of accurate regulation, make it can adapt to not unidimensional prefabricated staircase, application scope is extensive.
In specific implementation, the bolt positioning block 2 can serve as a reinforcement protection layer cushion block, the thickness of the reinforcement protection layer cushion block is generally 2cm, and the inner hexagonal embedded part 9 on the bolt positioning block 2 is mainly hollow to position the embedded bolt.
In this embodiment, the locking member includes a first locking nut 4 and a second locking nut 5 that are matched with the adjusting screw 3, and the first locking nut 4 and the second locking nut 5 are respectively located at two sides of the adjusting frame 1.
In actual use, the first locking nut 4 is a butterfly nut and is located outside the adjusting frame 1, and the second locking nut 5 is a hexagon nut and is located inside the adjusting frame 1.
In this embodiment, the adjusting frame 1 is a U-shaped plate with an opening at an upper portion, and two sides of the opening end of the adjusting frame 1 are respectively provided with one through hole.
When in actual use, the adjusting frame 1 is arranged into a U-shaped plate, and the protruding parts at the two ends are mainly considered to be convenient for the threading of the adjusting screw 3, so that the sliding of the bolt positioning block 2 is not influenced, and the dead weight can be lightened.
In this embodiment, the bolt positioning block 2 is a rectangular plate, two nail holes 8 for fixing the bolt positioning block 2 are disposed on a diagonal line of the bolt positioning block 2, and the inner hexagonal embedded part 9 is located between the two nail holes 8.
When the ladder beam bottom template is actually used, after the position of the bolt positioning block 2 is determined, the bolt positioning block 2 and the ladder beam bottom template can be fixed by installing nails in the nail holes 8, so that the bolt positioning block 2 is fixed and positioned.
The two nail holes 8 are respectively positioned at two corners on the same diagonal line of the bolt positioning block 2.
In this embodiment, the top of the inner hexagonal embedded part 9 is higher than the top of the bolt positioning block 2.
In actual use, the inner hexagonal embedded part 9 protrudes to the upper surface of the bolt positioning block 2 for arrangement.
In this embodiment, the chute 6 penetrates the bottom of the adjusting frame 1.
In actual use, the bolt positioning blocks 2 are closely attached to the bottom templates of the ladder beams.
When the prefabricated stair is actually used, firstly, the positions of the two bolt positioning blocks 2 in the sliding groove 6 are adjusted according to the distance between two reserved holes corresponding to the upper platform or the lower platform of the prefabricated stair, then the two adjusting frames 1 are restrained through the first locking nut 4 and the second locking nut 5, the whole device is moved to the set position of the bottom die of the stair beam, the two bolt positioning blocks 2 are fixed on the bottom die of the stair beam through nails, the two adjusting frames 1 are detached, embedded bolts are inserted into the inner hexagonal embedded parts 9 for concrete construction of the stair beam, the tops of the embedded bolts extend to the upper parts of the poured stair beams, and after embedding of the embedded bolts on the upper stair beam and the lower stair beam is completed, the prefabricated stair is hung and assembled.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides an prefabricated stair pre-buried bolt positioning and fixing device which characterized in that: including two regulation framves (1) and slidable mounting that lay relatively bolt locating piece (2) between two regulation framves (1), two be connected through two adjusting screw (3) between regulation frame (1), every the inboard of regulation frame (1) all is provided with one and supplies spout (6) of bolt locating piece (2) slidable mounting, spout (6) are laid along the length direction of regulation frame (1), one the outside of regulation frame (1) be provided with one with spout (6) assorted length scale mark (7), adjusting screw (3) and regulation frame (1) mutually perpendicular, two perforations that supply adjusting screw (3) to pass have been seted up on regulation frame (1), the perforation is located the top of spout (6), be provided with two sets of locking pieces that lock two regulation frames (1) respectively on adjusting screw (3), be provided with one on bolt locating piece (2) and be used for carrying out hexagon head embedded part (9) that fix a position to the pre-buried bolt.
2. The positioning and fixing device for embedded bolts of assembled prefabricated stairway according to claim 1, wherein: the locking piece comprises a first locking nut (4) and a second locking nut (5) which are matched with the adjusting screw rod (3), and the first locking nut (4) and the second locking nut (5) are respectively positioned at two sides of the adjusting frame (1).
3. The positioning and fixing device for embedded bolts of assembled prefabricated stairway according to claim 1, wherein: the adjusting frame (1) is a U-shaped plate with an opening at the upper part, and two sides of the opening end of the adjusting frame (1) are respectively provided with a perforation.
4. The positioning and fixing device for embedded bolts of assembled prefabricated stairway according to claim 1, wherein: the bolt positioning block (2) is a rectangular plate, two nail holes (8) used for fixing the bolt positioning block (2) are formed in one diagonal line of the bolt positioning block (2), and the inner hexagonal embedded part (9) is located between the two nail holes (8).
5. The positioning and fixing device for embedded bolts of fabricated prefabricated stairway according to claim 4, wherein: the top of the inner hexagonal embedded part (9) is higher than the top of the bolt positioning block (2).
6. The positioning and fixing device for embedded bolts of fabricated prefabricated stairway according to claim 4, wherein: the sliding groove (6) penetrates through the bottom of the adjusting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223435837.8U CN218970263U (en) | 2022-12-20 | 2022-12-20 | Prefabricated stair embedded bolt positioning and fixing device of assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223435837.8U CN218970263U (en) | 2022-12-20 | 2022-12-20 | Prefabricated stair embedded bolt positioning and fixing device of assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218970263U true CN218970263U (en) | 2023-05-05 |
Family
ID=86167999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223435837.8U Active CN218970263U (en) | 2022-12-20 | 2022-12-20 | Prefabricated stair embedded bolt positioning and fixing device of assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218970263U (en) |
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2022
- 2022-12-20 CN CN202223435837.8U patent/CN218970263U/en active Active
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