CN213836737U - Fixing structure for connecting prefabricated batten and top plate and subway station - Google Patents
Fixing structure for connecting prefabricated batten and top plate and subway station Download PDFInfo
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- CN213836737U CN213836737U CN202022165740.4U CN202022165740U CN213836737U CN 213836737 U CN213836737 U CN 213836737U CN 202022165740 U CN202022165740 U CN 202022165740U CN 213836737 U CN213836737 U CN 213836737U
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Abstract
The utility model relates to a fixed knot that is used for connection of prefabricated slat and roof constructs, including can insert to the wedge in the clearance between prefabricated slat and the roof and be used for locking the locking subassembly of wedge locking on prefabricated slat, a relative face of wedge respectively can be with the first friction surface of prefabricated slat laminating and can with the second friction surface of roof laminating. A subway station comprises a prefabricated lath and a top plate, and further comprises a fixing structure for connecting the prefabricated lath and the top plate, wherein a wedge-shaped block is inserted into a gap between the prefabricated lath and the top plate. The utility model discloses an insert the wedge in the clearance between prefabricated slat and the roof to adopt the locking subassembly locking back, utilize the frictional force between wedge, prefabricated slat and the roof to fix prefabricated slat, both can make things convenient for the installation of prefabricated slat partition wall, also can reduce U type card and beat and establish expansion bolts to the damage of existing structure, accelerate construction speed, practice thrift the time limit for a project, improve the work efficiency, save the engineering cost.
Description
Technical Field
The utility model relates to a rail transit engineering technical field specifically is a fixed knot who is used for the connection of prefabricated slat and roof constructs and subway station.
Background
The prefabricated batten is fixed on the top plate by adopting a U-shaped clamp in the conventional way. In the subway station, interior partition wall can adopt prefabricated slat, but the prefabricated slat height of subway station is great than conventional condition, adopts U type card can not satisfy the antidetonation demand, and U type card need adopt expansion bolts to beat and establish in the top board simultaneously, and the durability can not guarantee.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed knot that is used for the connection of prefabricated slat and roof constructs and subway station, can solve the partial defect among the prior art at least.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a fixed knot that is used for being connected of prefabricated slat and roof constructs, including the wedge that can insert to in the clearance between prefabricated slat and the roof and be used for with the locking subassembly of wedge locking on prefabricated slat, an opposite face of wedge respectively can with the first friction surface of prefabricated slat laminating and can with the second friction surface of roof laminating.
Further, there are two wedge pieces, two the wedge piece is just to setting up, and two the wedge piece uses the perpendicular bisector of the line of the two to set up as symmetry axis symmetry, two the wedge piece all inserts in the clearance between prefabricated slat and the roof.
Further, the locking assembly comprises a screw rod which can penetrate through the wedge-shaped block and the prefabricated strip plate, and a fastening nut is installed on the part, exposed out of the wedge-shaped block and the prefabricated strip plate, of the screw rod.
Further, the locking assembly further comprises a fixing portion extending from the wedge block to a direction away from the top plate, the screw penetrates through the fixing portion and the prefabricated strip plate, and the fastening nut is installed on a portion, exposed out of the fixing portion, of the screw.
Further, the fixing portion has a vertical surface attached to the prefabricated slat.
Further, each wedge block has at least two first bolt holes for mating with the screw.
Further, the first friction surface of the wedge-shaped block is an arc surface matched with the arc surface of the prefabricated batten.
Further, the length of the wedge-shaped block is not more than 1 m.
The embodiment of the utility model provides another kind of technical scheme: the subway station comprises a prefabricated lath and a top plate, and further comprises a fixing structure for connecting the prefabricated lath and the top plate, wherein the wedge-shaped block is inserted into a gap between the prefabricated lath and the top plate.
Further, the prefabricated lath is reserved with a second bolt hole for the screw rod of the locking assembly to pass through.
Compared with the prior art, the beneficial effects of the utility model are that: the wedge blocks are inserted into the gaps between the prefabricated battens and the top plate, and after the locking assembly is used for locking, the prefabricated battens are fixed by using the friction force among the wedge blocks, the prefabricated battens and the top plate, so that the installation of partition walls of the prefabricated battens can be facilitated, the damage of expansion bolts arranged on U-shaped clamps to the existing structure can be reduced, the construction speed is accelerated, the construction period is shortened, the work efficiency is improved, and the engineering cost is saved.
Drawings
Fig. 1 is an assembly schematic diagram of a prefabricated slat, a top plate and a fixing structure according to an embodiment of the present invention;
in the reference symbols: 1-prefabricating a batten; 2-inner hole; 3-a second bolt hole; 4-a top plate; 5-a wedge-shaped block; 50-a fixed part; 6-first bolt hole; 7-a screw; 8-fastening the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a fixing structure for connecting a prefabricated slat and a top plate, including a wedge 5 that can be inserted into a gap between a prefabricated slat 1 and a top plate 4 and a locking assembly for locking the wedge 5 on the prefabricated slat 1, where an opposite surface of the wedge 5 is a first friction surface that can be attached to the prefabricated slat 1 and a second friction surface that can be attached to the top plate 4. In the embodiment, the wedge-shaped block 5 is inserted into the gap between the prefabricated slat 1 and the top plate 4, and after the locking assembly is adopted for locking, the prefabricated slat 1 is fixed by using the friction force among the wedge-shaped block 5, the prefabricated slat 1 and the top plate 4, so that the installation of the partition wall of the prefabricated slat 1 can be facilitated, the damage of an expansion bolt arranged by U-shaped clamping on the existing structure can be reduced, the construction speed is accelerated, the construction period is shortened, the work efficiency is improved, and the engineering cost is saved. Specifically, during design, the wedge-shaped block 5 is a prefabricated member, which can be produced in a factory and then transported to a subway station, and is inserted into a gap between the prefabricated slat 1 and the top plate 4 at a corresponding position of a partition wall, due to the structural characteristics of the wedge-shaped block 5 and the gradually expanding structural form, in the process of inserting the wedge-shaped block into the gap, a first friction surface and a second friction surface of the wedge-shaped block are respectively contacted with the prefabricated slat 1 and the top plate 4 and are gradually tightened, after a critical point is reached, and a locking assembly is used for locking, the prefabricated slat 1 can be fixed by using the friction force among the wedge-shaped block 5, the prefabricated slat 1 and the top plate 4, compared with the existing U-shaped card, no expansion bolt is used for damaging the existing structure, the construction speed is higher, and the construction period is saved. The prefabricated ribbon board 1 is internally provided with an inner hole 2.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, the wedge 5 has two, two the wedge 5 is just to setting up, and two the wedge 5 uses the perpendicular bisector of the line of the two to set up as symmetry axis symmetry, two the wedge 5 is all inserted into the gap between the prefabricated slat 1 and the roof 4. In this embodiment, two wedge blocks 5 are provided, which are inserted into the gap from both sides of the precast lath 1 from the corresponding positions of the partition wall.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the locking assembly includes a screw rod 7 capable of penetrating through the wedge-shaped block 5 and the prefabricated slat 1, and a fastening nut 8 is installed on a portion of the screw rod 7 exposed outside the wedge-shaped block 5 and the prefabricated slat 1. In the present embodiment, the locking form is a form of screw 7 cooperating with fastening nut 8, specifically, the wedge 5 is first inserted into the gap, after the wedge is inserted into the gap, a long screw 7 is used to penetrate through the wedge 5 and the prefabricated slat 1, and then the fastening nut 8 is installed on the exposed part of the long screw 7, so as to ensure the close contact between the wedge 5 and the prefabricated slat 1 and the top plate 4, and the prefabricated slat 1 can be fixed by the friction force between them.
In order to further optimize the above solution, referring to fig. 1, the locking assembly further includes a fixing portion 50 extending from the wedge-shaped block 5 in a direction away from the top plate 4, the screw 7 penetrates through the fixing portion 50 and the prefabricated ribbon board 1, and the fastening nut 8 is installed on a portion of the screw 7 exposed from the fixing portion 50. In this embodiment, in order to facilitate the installation of the screw 7, an extended fixing portion 50 is provided, and the fixing portion 50 may be provided with at least two first bolt holes 6, so that the screw 7 can pass through the bolt holes and be screwed together for assembly. Of course, the fixing portion 50 may be a portion of the wedge-shaped block 5, i.e. the whole wedge-shaped block 5 is L-shaped. Preferably, the fixing portion 50 has a vertical surface attached to the prefabricated slat 1, that is, the fixing portion 50 has a cubic shape and is vertically disposed to be closely attached to the prefabricated slat 1.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, the first friction surface of the wedge 5 is an arc surface matched with the arc surface of the prefabricated slat 1. In this embodiment, the top of the prefabricated slat 1 has a slight arc, and the first friction surface of the wedge 5 may be a cambered surface to fit the prefabricated slat 1, so as to be tightly attached to the prefabricated slat 1.
As the embodiment of the utility model provides an optimization scheme, wedge 5's length is no longer than 1 m. When the wedge 5 is prefabricated, its length should not exceed 1 m.
The embodiment of the utility model provides a subway station, including prefabricated slat 1 and roof 4 to and foretell be used for the fixed knot of prefabricated slat 1 and roof 4 connection to construct, wedge 5 is inserted prefabricated slat 1 with in the clearance between the roof 4. In the embodiment, the fixing structure is adopted in the existing subway station, the wedge block 5 is inserted into the gap between the prefabricated slat 1 and the top plate 4, and after the locking assembly is adopted for locking, the prefabricated slat 1 is fixed by using the friction force among the wedge block 5, the prefabricated slat 1 and the top plate 4, so that the installation of the partition wall of the prefabricated slat 1 can be facilitated, the damage of an expansion bolt arranged by U-shaped clamping on the existing structure can be reduced, the construction speed is accelerated, the construction period is saved, the work efficiency is improved, and the engineering cost is saved. Specifically, during design, the wedge-shaped block 5 is a prefabricated member, which can be produced in a factory and then transported to a subway station, and is inserted into a gap between the prefabricated slat 1 and the top plate 4 at a corresponding position of a partition wall, due to the structural characteristics of the wedge-shaped block 5 and the gradually expanding structural form, in the process of inserting the wedge-shaped block into the gap, a first friction surface and a second friction surface of the wedge-shaped block are respectively contacted with the prefabricated slat 1 and the top plate 4 and are gradually tightened, after a critical point is reached, and a locking assembly is used for locking, the prefabricated slat 1 can be fixed by using the friction force among the wedge-shaped block 5, the prefabricated slat 1 and the top plate 4, compared with the existing U-shaped card, no expansion bolt is used for damaging the existing structure, the construction speed is higher, and the construction period is saved.
As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the prefabricated slat is reserved with a second bolt hole 3 for the screw rod 7 of the locking assembly to pass through. In the present embodiment, the second bolt hole 3 is disposed opposite to the first bolt hole 6 for passing the screw 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A fixing structure for connection of a prefabricated panel and a ceiling, characterized in that: the wedge-shaped block locking mechanism comprises a wedge-shaped block which can be inserted into a gap between a prefabricated lath and a top plate and a locking assembly which is used for locking the wedge-shaped block on the prefabricated lath, wherein one opposite surface of the wedge-shaped block is respectively a first friction surface which can be attached to the prefabricated lath and a second friction surface which can be attached to the top plate.
2. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 1, wherein: the wedge-shaped blocks are arranged oppositely, the two wedge-shaped blocks are symmetrically arranged by taking a perpendicular bisector of a connecting line of the two wedge-shaped blocks as a symmetry axis, and the two wedge-shaped blocks are inserted into a gap between the prefabricated batten and the top plate.
3. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 1, wherein: the locking assembly comprises a screw rod which can penetrate through the wedge-shaped block and the prefabricated ribbon board, and a fastening nut is installed on the part of the screw rod exposed out of the wedge-shaped block and the prefabricated ribbon board.
4. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 3, wherein: the locking assembly further comprises a fixing portion extending from the wedge block to a direction deviating from the top plate, the screw penetrates through the fixing portion and the prefabricated batten, and the fastening nut is installed on a portion, exposed out of the fixing portion, of the screw.
5. A fixing structure for connecting a prefabricated slat and a ceiling according to claim 4, wherein: the fixing part is provided with a vertical surface attached to the prefabricated batten.
6. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 3, wherein: each wedge block has at least two first bolt holes for mating with the screw.
7. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 1, wherein: the first friction surface of the wedge-shaped block is an arc surface matched with the arc surface of the prefabricated batten.
8. A fixing structure for connecting a prefabricated lath and a top plate as claimed in claim 1, wherein: the length of the wedge-shaped block is not more than 1 m.
9. The utility model provides a subway station, includes prefabricated slat and roof, its characterized in that: a fixing structure for the connection of a prefabricated slat and a top plate as claimed in any one of claims 1 to 8, said wedge-shaped block being inserted in the gap between said prefabricated slat and said top plate.
10. The subway station as claimed in claim 9, wherein: and the prefabricated lath is reserved with a second bolt hole for the screw rod of the locking assembly to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165740.4U CN213836737U (en) | 2020-09-28 | 2020-09-28 | Fixing structure for connecting prefabricated batten and top plate and subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165740.4U CN213836737U (en) | 2020-09-28 | 2020-09-28 | Fixing structure for connecting prefabricated batten and top plate and subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213836737U true CN213836737U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022165740.4U Active CN213836737U (en) | 2020-09-28 | 2020-09-28 | Fixing structure for connecting prefabricated batten and top plate and subway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213836737U (en) |
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- 2020-09-28 CN CN202022165740.4U patent/CN213836737U/en active Active
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