CN210797319U - Prefabricated underground box culvert of assembled - Google Patents
Prefabricated underground box culvert of assembled Download PDFInfo
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- CN210797319U CN210797319U CN201921356743.7U CN201921356743U CN210797319U CN 210797319 U CN210797319 U CN 210797319U CN 201921356743 U CN201921356743 U CN 201921356743U CN 210797319 U CN210797319 U CN 210797319U
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Abstract
The utility model relates to the technical field of bridges and culverts, in particular to an assembled prefabricated underground box culvert, which comprises a horizontal plate, a side plate and a double-end dovetail block, wherein the height of the double-end dovetail block is the same as that of the side plate; the side plates comprise a first side plate and a second side plate, the angle of the corner of the horizontal section of the first side plate is the same as that of the horizontal section of the second side plate, the first side plate or the second side plate is of a bilateral symmetry structure, and vertical insertion blocks are uniformly distributed on the upper side and the lower side of the first side plate and the upper side and the lower side of the second side plate; dovetail grooves are respectively arranged on the left side and the right side of the first side plate and the left side and the right side of the second side plate; the upper surface and the lower surface of the horizontal plate are isosceles trapezoids with the same angles with four corners of the upper surface of the first side plate, the parallel side lengths of the parallel side horizontal plate of the horizontal plate are respectively the same as the outer side lengths of the first side plate and the second side plate, vertical jacks penetrating through the upper surface and the lower surface of the horizontal plate are uniformly distributed at the two ends of the horizontal plate, and the jacks at the two sides are respectively corresponding to the positions of the insertion blocks of the first side plate and the second side. The utility model discloses the effect of multi-angle bending assembly has.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge and culvert and specifically relates to a prefabricated underground box culvert of assembled is related to.
Background
At present, domestic utility tunnel mostly uses cast-in-place formula as the main, because utility tunnel cross-section is high big, and the quality is heavy, is not convenient for the prefabricated transportation of segmentation, and hoist and mount need bigger hoisting equipment again, so its construction cycle is long, extravagant manpower and materials, construction cost are high, the energy consumption is big, does not conform to the requirement of the green industrialization of building that china advocated.
The existing Chinese patent with publication number CN208072464U discloses an assembled prefabricated underground comprehensive pipe gallery box culvert, which is spliced by connecting grooves reserved on a bottom plate and a side plate and connecting steel plates below a top plate and the side plate to splice the bottom plate, the top plate and the side plate into a box culvert structure.
The above prior art solutions have the following drawbacks: above-mentioned bottom plate, roof and curb plate are straight board, if meet barriers such as building, ground when needing the corner, above-mentioned technical scheme can't accomplish angle more and buckle the assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated underground box culvert of assembled, it has the effect of multi-angle bending assembly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the assembled prefabricated underground box culvert comprises a horizontal plate, side plates and a double-end dovetail block, wherein the height of the double-end dovetail block is the same as that of the side plates, the horizontal section of the double-end dovetail block is in a combined shape of two identical isosceles trapezoids, and the long sides of the parallel sides of the isosceles trapezoids face outwards; the side plate is divided into a first side plate and a second side plate, the first side plate is longer than the second side plate, the angle of the corner of the horizontal section of the first side plate is the same as that of the horizontal section of the second side plate, the first side plate or the second side plate is of a bilateral symmetry structure, and vertical insertion blocks are uniformly distributed on the upper side and the lower side of the first side plate and the upper side and the lower side of the second side plate; dovetail grooves are respectively arranged on the left side and the right side of the first side plate and the left side and the right side of the second side plate; the cross section of the dovetail groove is the same as the isosceles trapezoid on one side of the cross section of the double-head dovetail block in shape; the upper surface and the lower surface of the horizontal plate are isosceles trapezoids with the same angles with four corners of the upper surface of the first side plate, the lengths of two parallel sides of the horizontal plate are respectively the same as the lengths of the outer sides of the first side plate and the second side plate, vertical jacks penetrating through the upper surface and the lower surface of the horizontal plate are uniformly distributed at two ends of the horizontal plate close to the parallel sides of the horizontal plate, the jacks at two sides of the horizontal plate correspond to the insertion block positions of the first side plate and the second side plate respectively, and lap joints are arranged on.
By adopting the technical scheme, the corner angles of the upper surfaces of the first side plate and the second side plate are the same and are bilaterally symmetrical about the first side plate and the second side plate, so that the first side plate or the second side plate can be lapped through the left corner or the right corner or the straight line of the first side plate and the second side plate, and then the adjacent first side plate or the adjacent second side plate is fixedly inserted through the double-head; the horizontal plate is in an isosceles trapezoid shape, so that in the horizontal plane, the horizontal plate can be lapped at the corner or straight line of the trapezoid waist side; meanwhile, the length of the parallel sides of the two horizontal plates is the same as that of the outer sides of the first side plate and the second side plate, and the upper horizontal plate and the lower horizontal plate are fixedly inserted into the insertion blocks of the first side plate and the second side plate through the insertion holes, so that a box culvert structure capable of being bent or directly paved is built.
The utility model discloses further set up to: the vertical section of the lap joint is rectangular, the height of the lap joint is half of the thickness of the horizontal plate, one side surface of the lap joint is coplanar with the upper surface or the lower surface of the horizontal plate, and the height positions of the lap joints of the same horizontal plate are the same.
Through adopting above-mentioned technical scheme, set up this lap joint, can make adjacent horizontal plate can accomplish the overlap joint of each waist side through the upset.
The utility model discloses further set up to: the outer surface of the double-end dovetail block is a steel plate, and the interior of the double-end dovetail block is of a reinforced concrete structure.
By adopting the technical scheme, the outer steel plate of the double-end dovetail block can ensure the shape, the external strength of the double-end dovetail block is enhanced, meanwhile, the reinforced concrete is convenient to pour, and the internal strength of the double-end dovetail block can be enhanced by the reinforced concrete in the double-end dovetail block.
The utility model discloses further set up to: the surface of the dovetail groove is a steel plate, and the steel plate is welded and reinforced with the steel bars inside the first side plate or the second side plate.
By adopting the technical scheme, the steel plate on the surface of the dovetail groove can keep the fixed shape of the dovetail groove and is convenient to insert and connect, and the steel plate is welded with the internal reinforcing steel bars, so that the strength of the dovetail groove can be further increased.
The utility model discloses further set up to: the outer diameter of the insert block is slightly smaller than the inner diameter of the jack.
By adopting the technical scheme, the splicing alignment is convenient.
The utility model discloses further set up to: and when the inserting block is inserted into the inserting hole, cement or concrete is used for filling the inserting hole.
Through adopting above-mentioned technical scheme, will insert the piece and fix mutually with the jack to make curb plate one, curb plate two and horizontal plate can set up the firm box culvert structure.
The utility model discloses further set up to: the upper ends of the double-end dovetail block, the first side plate and the second side plate are provided with hanging grooves, and lifting lugs are arranged in the hanging grooves.
Through adopting above-mentioned technical scheme, double-end dovetail block, curb plate one and curb plate two are equipped with the lug, conveniently hang at the pin-connected panel and get double-end dovetail block, curb plate one and curb plate two, and simultaneously, the lug is located the hanging groove, makes it not influence with the buildding of upper end horizontal plate.
The utility model discloses further set up to: and waterproof structural adhesive is filled at each junction of the first side plate, the second side plate and the horizontal plate.
Through adopting above-mentioned technical scheme, consolidate the connection between curb plate one, curb plate two and the horizontal plate each, also increase the waterproof nature in gap between curb plate one, curb plate two and the horizontal plate.
To sum up, the utility model discloses a beneficial technological effect does:
the handling needs the construction region that the corner is bent, utilizes the trapezium structure of curb plate one, curb plate two and horizontal plate, and rethread double-end dovetail piece and inserted block, jack are fixed, can build out the box culvert structure that many places were buckled or were laid directly.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the construction of the side panel;
fig. 3 is a schematic connection diagram of the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic structural view of a double-ended dovetail block;
fig. 6 is a schematic view of the structure of the horizontal plate.
In the figure, 1, a horizontal plate; 11. a jack; 12. a lap joint; 2. a side plate; 21. a first side plate; 22. a second side plate; 23. a dovetail groove; 24. inserting a block; 25. hanging a groove; 26. lifting lugs; 3. double-ended dovetail block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a prefabricated underground box culvert of assembled, including horizontal plate 1 and with the curb plate 2 of horizontal plate 1 grafting, curb plate 2 is equipped with two kinds of different length, is curb plate one 21 and curb plate two 22 respectively, and curb plate one 21 is good at curb plate two 22, and upper and lower horizontal plate 1 builds rectangular pipe structure with curb plate one 21 and curb plate two 22.
Referring to fig. 2, the horizontal section of the first side plate 21 and the horizontal section of the second side plate 22 have the same angle at each corner, the first side plate 21 and the second side plate 22 are respectively symmetrical left and right with respect to themselves, and vertical insertion blocks 24 are uniformly distributed at the upper and lower ends of the first side plate 21 and the upper and lower ends of the second side plate 22. The insert block 24 is a steel bar and is integrally cast with the first side plate 21 or the second side plate 22 where the insert block is located. Meanwhile, a dovetail groove 23 which is vertical and penetrates through the side is formed in the vertical side of the first side plate 21 and the vertical side of the second side plate 22; the horizontal section of the dovetail groove 23 is in an isosceles trapezoid shape and is symmetrical about the symmetrical plane of the side plate I21 or the side plate II 22 where the dovetail groove is located, the surface of the dovetail groove 23 is made of a steel plate, and the steel plate is welded and reinforced with the steel bars inside the side plate I21 or the side plate II 22 where the dovetail groove is located. And the upper surfaces of the first side plate 21 and the second side plate 22 are provided with circular hanging grooves 25, lifting lugs 26 integrally cast with the first side plate 21 or the second side plate 22 are arranged in the hanging grooves 25, and the highest points of the lifting lugs 26 are not higher than the height of the upper opening of the hanging grooves 25.
Referring to fig. 4 and 5, adjacent side plates 21 and 21, 21 and 22 and 21 and 22 are connected through a double-headed dovetail block 3; the height of the double-end dovetail block 3 is the same as that of the side plate 2, the horizontal section of the double-end dovetail block 3 is in a combined shape of two identical isosceles trapezoids, the short sides of the parallel sides of the isosceles trapezoids are overlapped, the shapes of the isosceles trapezoids are the same as the shapes and the sizes of the horizontal sections of the dovetail grooves 23, the vertical side surface of the double-end dovetail block 3 is a steel plate, and cement is poured inside the steel plate.
Referring to fig. 2 and 6, the upper and lower surfaces of the horizontal plate 1 are in the shape of an isosceles trapezoid, the inner angle of the isosceles trapezoid is equal to the angle of each corner of the first side plate 21, the length of the long side of the parallel side of the horizontal plate 1 is equal to the length of the long side of the parallel side of the first side plate 21, and the length of the short side of the parallel side of the horizontal plate 1 is equal to the length of the short side of the parallel side of the first side plate 21. Two ends of the horizontal plate 1 close to the parallel side are uniformly provided with vertical jacks 11 penetrating through the upper surface and the lower surface of the horizontal plate, and the jacks 11 on the two sides of the horizontal plate respectively correspond to the insertion blocks 24 of the first side plate 21 and the second side plate 22. The two waist sides of horizontal plate 1 are equipped with lap joint 12, and lap joint 12 cross-section is the rectangle, and its thickness is half of horizontal plate 1 thickness, and lap joint 12 side surface and horizontal plate 1 upper surface or lower surface coplane, and the lap joint 12 height position of same horizontal plate 1 is the same.
Referring to fig. 2 and 6, when the horizontal plates 1 are spliced, the horizontal plate 1 at the lower part is rotated or turned over to reach a required angle according to a path required by construction, and the lap joints 12 of the horizontal plates correspond to each other left and right; then the first hanging side plate 21 is inserted into one side of the long side of the parallel side of the horizontal plate 1, the second hanging side plate 22 is inserted into one side of the short side of the parallel side, cement is injected into the insertion hole 11 during insertion, and then the double-head dovetail block 3 is arranged to be inserted into the dovetail groove 23 of the adjacent side plate 2 to be fixed; then, the upper horizontal plate 1 is inserted into the first side plate 21 and the second side plate 22 according to the shape of the lower horizontal plate 1, and cement is injected into the insertion hole 11 during insertion; and finally, filling waterproof structural adhesive at each junction of the first side plate 21, the second side plate 22 and the horizontal plate 1.
The implementation principle of the embodiment is as follows: the upper surface of the horizontal plate 1 is isosceles trapezoid, the first side plate 21 and the second side plate 22 are arranged, and the two sides of the horizontal plate can be bent or straightly arranged corresponding to different side edges; meanwhile, the first side plate 21 or the second side plate 22 are connected through the double-head dovetail block 3 and the dovetail groove 23, so that the first side plate 21 or the second side plate 22 can be connected and fixed on different connecting surfaces in the same connecting mode, and the installation is easy; meanwhile, the insertion block 24 of the first side plate 21 and the insertion block 24 of the second side plate 22 are matched with the insertion holes 11 of the upper horizontal plate 1 and the lower horizontal plate 1, and the first side plate 21 or the second side plate 22 is fixed with the upper horizontal plate 1 and the lower horizontal plate 1, so that the first side plate 21, the second side plate 22 and the upper horizontal plate 1 are assembled into an integrated box culvert structure.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an assembled prefabricated underground box culvert, includes horizontal plate (1) and curb plate (2), its characterized in that: the double-end dovetail block (3) is as high as the side plates (2), the horizontal section of the double-end dovetail block (3) is in a combined shape of two same isosceles trapezoids, and the long sides of the parallel sides of the isosceles trapezoids face outwards; the side plate (2) is divided into a first side plate (21) and a second side plate (22) which are different in length, the first side plate (21) is longer than the second side plate (22), the horizontal section of the first side plate (21) and each corner angle of the horizontal section of the second side plate (22) are the same, the same first side plate (21) or the same second side plate (22) is of a bilateral symmetry structure, and vertical insertion blocks (24) are uniformly distributed on the upper side and the lower side of the first side plate (21) and the upper side and the lower side of the second side plate (22); dovetail grooves (23) are respectively arranged on the left side and the right side of the side plate I (21) and the left side and the right side of the side plate II (22); the cross section of the dovetail groove (23) is the same as the isosceles trapezoid shape on one side of the cross section of the double-head dovetail block (3); the upper and lower surfaces of the horizontal plate (1) are isosceles trapezoids with the same four corner angles of the upper surface of the first side plate (21), the lengths of the two parallel sides of the horizontal plate (1) are the same as the lengths of the outer sides of the first side plate (21) and the second side plate (22), vertical jacks (11) penetrating through the upper and lower surfaces of the horizontal plate (1) are uniformly distributed at the two ends of the horizontal plate (1) close to the parallel sides of the horizontal plate, the jacks (11) at the two sides of the horizontal plate are corresponding to the positions of the insertion blocks (24) of the first side plate (21) and the second side plate (22), and lap joints (12) are arranged on the two.
2. The fabricated prefabricated underground box culvert of claim 1, wherein: the vertical section of the lap joint (12) is rectangular, the height of the lap joint is half of the thickness of the horizontal plate (1), one side surface of the lap joint (12) is coplanar with the upper surface or the lower surface of the horizontal plate (1), and the height positions of the lap joints (12) of the same horizontal plate (1) are the same.
3. The fabricated prefabricated underground box culvert of claim 1, wherein: the outer surface of the double-end dovetail block (3) is a steel plate, and the interior of the double-end dovetail block is of a reinforced concrete structure.
4. The fabricated prefabricated underground box culvert of claim 3, wherein: the surface of the dovetail groove (23) is a steel plate, and the steel plate is welded and reinforced with reinforcing steel bars inside the first side plate (21) or the second side plate (22).
5. The fabricated prefabricated underground box culvert of claim 1, wherein: the outer diameter of the insert block (24) is slightly smaller than the inner diameter of the insertion hole (11).
6. The fabricated prefabricated underground box culvert of claim 5, wherein: when the insert block (24) is inserted into the insertion hole (11), cement or concrete is used for filling the insertion hole (11).
7. The fabricated prefabricated underground box culvert of claim 4, wherein: the upper ends of the double-head dovetail block (3), the first side plate (21) and the second side plate (22) are provided with hanging grooves (25), and lifting lugs (26) are arranged in the hanging grooves (25).
8. The fabricated prefabricated underground box culvert of claim 1, wherein: and waterproof structural adhesive is filled at each junction of the first side plate (21), the second side plate (22) and the horizontal plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356743.7U CN210797319U (en) | 2019-08-20 | 2019-08-20 | Prefabricated underground box culvert of assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356743.7U CN210797319U (en) | 2019-08-20 | 2019-08-20 | Prefabricated underground box culvert of assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210797319U true CN210797319U (en) | 2020-06-19 |
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ID=71241858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921356743.7U Active CN210797319U (en) | 2019-08-20 | 2019-08-20 | Prefabricated underground box culvert of assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210797319U (en) |
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2019
- 2019-08-20 CN CN201921356743.7U patent/CN210797319U/en active Active
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