CN216766439U - Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure - Google Patents
Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure Download PDFInfo
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- CN216766439U CN216766439U CN202121174168.6U CN202121174168U CN216766439U CN 216766439 U CN216766439 U CN 216766439U CN 202121174168 U CN202121174168 U CN 202121174168U CN 216766439 U CN216766439 U CN 216766439U
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Abstract
Steel bar truss building carrier plate exempts from to tear open fire prevention die block board mortise-tenon joint structure, first connecting piece and the second connecting piece that is located first connecting piece right side that sets up including the average level, the whole appearance of first connecting piece is the penetrating rectangle tubular structure of front and back end, the left side has been seted up inside the left side of first connecting piece, the equal open first location of front side and rear side is connected the slotted hole, the right side has been seted up inside the right side of second connecting piece, the equal open second location of front side and rear side is connected the slotted hole, second connecting piece left end is equipped with and is convenient for insert the intraoral tenon structure of first connecting piece right-hand member. The utility model has the advantages of convenient manufacture and installation, reliable connection, low cost, high strength and certain tenon-and-mortise connection length, and two adjacent bottom formworks have good stability and reliability when being not supported by steel pipe scaffold section steel for supporting, thereby ensuring the flatness of the bottom formworks without disassembly.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to a steel bar truss floor support plate disassembly-free fireproof bottom formwork mortise-tenon joint structure.
Background
The utility model patent with the patent application number of 202010259991.0 discloses a construction process for a bottom die steel truss floor support plate without dismantling, wherein the die plate connecting blocks on the left side and the right side of a bottom die plate have the following defects or shortcomings: (1) the length of the long positioning groove of the template connecting block and the length of the positioning rib matched with the long positioning groove are relatively short, and the positioning rib can be separated from the positioning rib when the connecting part of two adjacent bottom templates is pressed (such as treaded by a constructor); (2) when the positioning elongated slot of the template connecting block and the positioning rib matched with the positioning elongated slot are mutually spliced, the positioning elongated slot of the positioning rib is matched right, and the positioning elongated slot is not easy to align during splicing, so that the butt joint operation time is longer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the disassembly-free fireproof bottom formwork mortise-tenon joint structure for the steel bar truss floor bearing plate, which is convenient to butt joint, large in bearing capacity, stable and reliable after splicing.
In order to solve the technical problem, the utility model adopts the following technical scheme: steel bar truss building carrier plate exempts from to tear open fire prevention die block board mortise-tenon joint structure, first connecting piece and the second connecting piece that is located first connecting piece right side that sets up including the average level, the whole appearance of first connecting piece is the penetrating rectangle tubular structure of front and back end, the left side has been seted up inside the left side of first connecting piece, the equal open first location of front side and rear side is connected the slotted hole, the right side has been seted up inside the right side of second connecting piece, the equal open second location of front side and rear side is connected the slotted hole, second connecting piece left end is equipped with and is convenient for insert the intraoral tenon structure of first connecting piece right-hand member.
The tenon structure and the second connecting piece are made of an integrated structure, the tenon structure is sequentially provided with a rectangular pyramid guide section, a rectangular prism vertical positioning section and a V-shaped horizontal positioning section from left to right, the rectangular pyramid guide section is of a structure with a small left and a large right, and the vertical section size of the right end face of the rectangular pyramid guide section, the vertical section size of the rectangular prism vertical positioning section and the vertical section of the left end face of the V-shaped horizontal positioning section are the same.
The height of the vertical positioning section of the quadrangular prism and the height of the V-shaped horizontal positioning section are equal to the height of an inner hole of the rectangular tubular structure of the first connecting piece; the size of the quadrangular prism vertical positioning section along the front-back direction is smaller than that of the inner hole of the rectangular tubular structure along the front-back direction; the size of the right end of the V-shaped horizontal positioning section along the front-back direction is larger than that of the inner hole of the rectangular tubular structure along the front-back direction.
The upper side and the lower side of the left port of the first positioning connecting slotted hole are correspondingly provided with left guide grooves with large left and small right, and the upper side and the lower side of the right port of the second positioning connecting slotted hole are correspondingly provided with right guide grooves with large left and small right.
By adopting the technical scheme, when the utility model is used,
the first connecting piece is made of a rectangular thin-skin steel pipe through cutting, and the second connecting piece and the tenon structure are integrally formed by plastic materials through injection molding.
The installation process of the utility model and the bottom template is as follows: the right side edge of the upper surface of the bottom template is provided with first connecting pieces, the second connecting pieces are arranged on the left side edge of the upper surface of the bottom template, the first connecting pieces and the second connecting pieces are same in quantity and are in one-to-one correspondence from left to right, the right end of the first connecting pieces is aligned with the right side edge of the bottom template, a tenon structure at the left end of the second connecting pieces extends out of the left side edge of the bottom template leftwards, and a plurality of steel bar trusses are arranged on the bottom template along the front-back direction; the lower V-shaped structure of the web member steel bar on the right side of the rightmost steel bar truss extends into a first positioning connecting groove hole in the first connecting piece, two first screws are driven into the space between the first connecting piece and the bottom formwork by a drilling machine, and the two first screws are respectively positioned on the inner side and the outer side (left side and right side) of the V-shaped structure; and the V-shaped structure at the lower part of the web member steel bar on the left side of the leftmost steel bar truss extends into the second positioning connecting groove hole in the second connecting piece, two second screws are driven into the space between the second connecting piece and the bottom formwork by using a drilling machine, and the two second screws are respectively positioned on the inner side and the outer side (left side and right side) of the V-shaped structure. In this way, the plurality of first connecting members and the plurality of second connecting members are respectively arranged on the right side and the left side of the upper surface of the bottom form.
When two adjacent die block boards are connected, the two die block boards are in butt joint with each other at the side edges, the lower surfaces of the two die block boards are flush, and the tenon structure of the second connecting piece on one die block board is inserted into the rectangular tubular structure of the first connecting piece on the other die block board, so that the tenon-and-mortise connection between the two adjacent die block boards is realized.
The left guide groove and the right guide groove are arranged, so that the V-shaped structure at the lower part of the web member steel bar can conveniently stretch into and be assembled in the first positioning connecting groove hole or the second positioning connecting groove hole.
The rectangular pyramid direction section left end of tenon structure is less than the height of the rectangle tubular structure of first connecting piece at the direction of height, make things convenient for the butt joint direction to insert rectangle tubular structure like this, because first connecting piece and second connecting piece install on the die block board and have certain deviation, especially the ascending deviation of fore-and-aft direction, therefore, the size of the quadrangular prism vertical location section of tenon structure in the fore-and-aft direction is less than the size of rectangle tubular structure hole along the fore-and-aft direction, can ensure like this that the quadrangular prism vertical location section inserts inside the rectangle tubular structure smoothly, the inclined plane of the front and back side of V type horizontal location section can contact with the preceding side and the back side of rectangle tubular structure port, ensure the location of tenon fourth direction of mortise joint structure.
The height of the quadrangular prism vertical positioning section and the height of the V-shaped horizontal positioning section are equal to the height of an inner hole of the rectangular tubular structure of the first connecting piece, and the tenon structure is inserted into the rectangular tubular structure and does not have a moving amount in the vertical direction, so that the lower surfaces of the two adjacent bottom templates are ensured to be flat.
In conclusion, the utility model has the advantages of convenient manufacture and installation, reliable connection, low cost, high strength and certain tenon-and-mortise connection length, and two adjacent bottom formworks have good stability and reliability when the steel pipe scaffold section steel is not erected for supporting, thereby ensuring the flatness of the bottom formworks without dismantling.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
fig. 2 is a schematic view of the arrangement of the present invention on a steel bar truss floor deck;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2.
Detailed Description
As shown in fig. 1-4, the disassembly-free fireproof bottom formwork mortise and tenon joint structure of the steel bar truss floor support plate comprises a first connecting piece 1 and a second connecting piece 2, wherein the first connecting piece 1 and the second connecting piece 2 are arranged on the right side of the first connecting piece 1 in a uniform horizontal mode, the overall appearance of the first connecting piece 1 is a rectangular tubular structure with through front and rear ends, a first positioning connecting slotted hole 3 with openings in the left side, the front side and the rear side is formed in the left side of the first connecting piece 1, a second positioning connecting slotted hole 4 with openings in the right side, the front side and the rear side is formed in the right side of the second connecting piece 2, and a tenon structure which is convenient to insert into the right opening of the first connecting piece 1 is arranged at the left end of the second connecting piece 2.
The tenon structure and the second connecting piece 2 are made of an integral structure, the tenon structure is a rectangular pyramid guide section 5, a rectangular prism vertical positioning section 6 and a V-shaped horizontal positioning section 7 from left to right in sequence, the rectangular pyramid guide section 5 is a structure with a small left and a large right, and the vertical section size of the right end face of the rectangular pyramid guide section 5, the vertical section size of the rectangular prism vertical positioning section 6 and the vertical section of the left end face of the V-shaped horizontal positioning section 7 are all the same.
The height of the quadrangular vertical positioning section 6 and the height of the V-shaped horizontal positioning section 7 are equal to the height of an inner hole of the rectangular tubular structure of the first connecting piece 1; the size of the quadrangular prism vertical positioning section 6 along the front and back direction is smaller than that of the inner hole of the rectangular tubular structure along the front and back direction; the size of the right end of the V-shaped horizontal positioning section 7 along the front-back direction is larger than that of the inner hole of the rectangular tubular structure along the front-back direction.
The upper side and the lower side of the left port of the first positioning connecting slotted hole 3 are correspondingly provided with left guide grooves 8 with large left and small right, and the upper side and the lower side of the right port of the second positioning connecting slotted hole 4 are correspondingly provided with right guide grooves 9 with large left and small right.
The first connecting piece 1 is made of rectangular thin-skin steel pipes through cutting, and the second connecting piece 2 and the tenon structure are integrally formed through injection molding of plastic materials.
The installation process of the utility model and the bottom template 10 is as follows: the right side edge of the upper surface of the bottom template 10 is arranged on the first connecting piece 1, the second connecting piece 2 is arranged on the left side edge of the upper surface of the bottom template 10, the first connecting piece 1 and the second connecting piece 2 are identical in number and are in one-to-one correspondence from left to right, the right end of the first connecting piece 1 is aligned with the right side edge of the bottom template 10, a tenon structure at the left end of the second connecting piece 2 extends out of the left side edge of the bottom template 10 leftwards, and a plurality of steel bar trusses 11 are arranged on the bottom template 10 along the front-back direction; a V-shaped structure at the lower part of a web member steel bar 12 at the right side of a steel bar truss 11 at the rightmost side extends into a first positioning connecting slotted hole 3 in a first connecting piece 1, two first screws are driven into a position between the first connecting piece 1 and a bottom template 10 by a drilling machine, and the two first screws are respectively positioned at the inner side and the outer side (left side and right side) of the V-shaped structure; the lower V-shaped structure of the web member steel bar 12 on the left side of the leftmost steel bar truss 11 extends into the second positioning connecting slotted hole 4 in the second connecting piece 2, two second screws are driven into the space between the second connecting piece 2 and the bottom template 10 by using a drilling machine, and the two second screws are respectively positioned on the inner side and the outer side (left side and right side) of the V-shaped structure. In this way, a plurality of first coupling members 1 and second coupling members 2 are provided at right and left sides of the upper surface of the base mold plate 10, respectively.
When two adjacent die block boards 10 are connected, the sides of the two die block boards 10 are butted, the lower surfaces are leveled, and the tenon structure of the second connecting piece 2 on one die block board 10 is inserted into the rectangular tubular structure of the first connecting piece 1 on the other die block board 10, so that the tenon-and-mortise connection between the two adjacent die block boards 10 is realized.
The arrangement of the left guide groove 8 and the right guide groove 9 facilitates the V-shaped structure at the lower part of the web member steel bar 12 to stretch into and be assembled in the first positioning connecting groove hole 3 or the second positioning connecting groove hole 4.
The left end of the rectangular pyramid guide section 5 of the tenon structure is smaller than the height of the rectangular tubular structure of the first connecting piece 1 in the height direction, the rectangular tubular structure is inserted in a butt joint guide mode conveniently, certain deviation exists due to the fact that the first connecting piece 1 and the second connecting piece 2 are installed on the bottom formwork 10, especially, the deviation in the front-back direction is achieved, therefore, the size of the quadrangular prism vertical positioning section 6 of the tenon structure in the front-back direction is smaller than the size of the rectangular tubular structure inner hole in the front-back direction, the quadrangular prism vertical positioning section 6 can be smoothly inserted into the rectangular tubular structure, the inclined plane of the front side and the inclined plane of the rear side of the V-shaped horizontal positioning section 7 can be in contact with the front side and the rear side of the rectangular tubular structure port, and the positioning of the tenon-mortise connection structure in the front-back direction is guaranteed.
The height of the quadrangular prism vertical positioning section 6 and the height of the V-shaped horizontal positioning section 7 are equal to the height of an inner hole of the rectangular tubular structure of the first connecting piece 1, and the tenon structure is inserted into the rectangular tubular structure and does not have activity in the vertical direction, so that the lower surfaces of two adjacent bottom templates 10 are ensured to be flat.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure, its characterized in that: including the first connecting piece that the average level set up and the second connecting piece that is located first connecting piece right side, the whole appearance of first connecting piece is the penetrating rectangle tubular structure of front and back end, the left side has been seted up to the left side of first connecting piece inside, the equal open first location slotted hole in front side and rear side, the right side has been seted up to the right side of second connecting piece inside, the equal open second location slotted hole in front side and rear side, second connecting piece left end is equipped with and is convenient for insert the intraoral tenon structure of first connecting piece right-hand member.
2. The steel bar truss floor support plate disassembly-free fireproof bottom formwork mortise and tenon joint structure as claimed in claim 1, is characterized in that: the tenon structure and the second connecting piece are made of an integrated structure, the tenon structure is sequentially provided with a rectangular pyramid guide section, a rectangular prism vertical positioning section and a V-shaped horizontal positioning section from left to right, the rectangular pyramid guide section is of a structure with a small left and a large right, and the vertical section size of the right end face of the rectangular pyramid guide section, the vertical section size of the rectangular prism vertical positioning section and the vertical section of the left end face of the V-shaped horizontal positioning section are the same.
3. The steel bar truss floor support plate disassembly-free fireproof bottom formwork mortise and tenon joint structure as claimed in claim 2, wherein: the height of the quadrangular prism vertical positioning section and the height of the V-shaped horizontal positioning section are equal to the height of an inner hole of the rectangular tubular structure of the first connecting piece; the size of the quadrangular prism vertical positioning section along the front-back direction is smaller than that of the inner hole of the rectangular tubular structure along the front-back direction; the size of the right end of the V-shaped horizontal positioning section along the front-back direction is larger than that of the inner hole of the rectangular tubular structure along the front-back direction.
4. The steel bar truss floor support plate disassembly-free fireproof bottom formwork mortise and tenon joint structure as claimed in claim 1, 2 or 3, wherein: the upper side and the lower side of the left port of the first positioning connecting slotted hole are correspondingly provided with left guide grooves with large left and small right, and the upper side and the lower side of the right port of the second positioning connecting slotted hole are correspondingly provided with right guide grooves with large left and small right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174168.6U CN216766439U (en) | 2021-05-28 | 2021-05-28 | Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174168.6U CN216766439U (en) | 2021-05-28 | 2021-05-28 | Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216766439U true CN216766439U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121174168.6U Active CN216766439U (en) | 2021-05-28 | 2021-05-28 | Steel bar truss building carrier plate is exempted from to tear open fire prevention die block board mortise-tenon joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216766439U (en) |
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2021
- 2021-05-28 CN CN202121174168.6U patent/CN216766439U/en active Active
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