Fabricated combined stress structure for drainage ditch

Abstract

The utility model discloses an assembly type combined stress structure for a drainage ditch, which comprises a bottom template, a side template and a drainage ditch pouring body, and is characterized by further comprising a stress system and an embedding system, the stress system is positioned under the bottom template and is used for supporting the bottom template, and the embedding system is positioned under the side template and is used for embedding the drainage ditch pouring body. The stress system comprises a plurality of tripods which are arranged at intervals along the trend of the drainage ditch pouring body, and reserved round holes are formed in vertical supports of the tripods; the embedded system comprises a precast beam, an embedded steel plate and a plurality of screw and nut assemblies, the precast beam is located on the outer side of the vertical support, the embedded steel plate is embedded in the side wall of the precast beam, and threaded holes are reserved in the positions, corresponding to the reserved round holes, of the embedded steel plate. The stress system and the embedded system are fixedly connected through screw and nut assemblies which are arranged in the reserved round holes of the triangular supports and the threaded holes in the embedded steel plates in a penetrating mode. The connecting structure is good in stress performance and convenient to mount and dismount, and the engineering construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and in particular relates to an assembled combined force-bearing structure for a drainage ditch. Background Art

[0002] In construction projects, formwork support frames need to be set up before pouring concrete. For local parts such as water collection wells and drainage ditches, if the support frames are set up locally, the support will not be able to resist overturning. If they are set up over a large area, it will occupy the lower space and be time-consuming and labor-intensive. In small areas, due to space constraints, it is not suitable to set up support frames. Therefore, there is an urgent need for a support that can be used in a turnover manner and does not occupy the lower space. Utility Model Content

[0003] In view of the above technical defects, the utility model provides an assembled combined force-bearing structure for a drainage ditch, which has good force-bearing performance, is easy to install and disassemble, and improves the efficiency of engineering construction.

[0004] In order to achieve the above technical effects, the technical solution adopted by the utility model is:

[0005] A prefabricated combined force-bearing structure for a drainage ditch, comprising a bottom formwork and a side formwork for surrounding and casting to form the drainage ditch, and a drainage ditch casting body cast on the inner side of the bottom formwork and the side formwork, characterized in that it also includes a force-bearing system and an embedding system, wherein the force-bearing system is located directly below the bottom formwork and is used to support the bottom formwork, the force-bearing system is a plurality of steel structure tripods arranged at intervals along the direction of the drainage ditch casting body, and the vertical supports of the tripods are provided with reserved circular holes whose axes are perpendicular to the direction of the drainage ditch casting body; the embedding system comprises a precast beam, an embedded steel plate and a plurality of screw and nut assemblies, the precast beam is located outside the vertical support and is consistent with the direction of the drainage ditch casting body, the embedded steel plate is embedded in the side wall of the precast beam close to the tripod side and is aligned with the vertical support, the embedded steel plate is reserved with a threaded hole at the position corresponding to the reserved circular hole, and the force-bearing system and the embedding system are fixedly connected by screw and nut assemblies penetrated through the reserved circular holes of the tripods and the threaded holes of the embedded steel plates.

[0006] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model utilizes the stability of a triangle and adopts a tripod as the force-bearing structure of the drainage ditch casting body to fix it in the embedding system, so that during the construction process, it almost does not occupy the lower space, and construction is still convenient even in a narrow area with space restrictions. It has good force-bearing performance, can be assembled and used, and is easy to install and disassemble, saving time and effort, and improving construction efficiency.

[0007] As further improvements of the utility model:

[0008] Furthermore, a plurality of wooden planks are laid on the horizontal supports of two adjacent tripods, and the bottom template is laid on the upper surface of the wooden planks.

[0009] Furthermore, the reserved cavities between the bottom formwork, the side formwork and the drainage ditch casting are filled with a filling body, and the filling body is a wooden shell structure or a solid structure object, and the filling body is fixedly connected to the bottom formwork and / or the side formwork.

[0010] Furthermore, the horizontal support and vertical support constituting the tripod are one of channel steel, I-beam, flat steel and square steel, the diagonal support of the tripod is angle steel, and the reserved circular hole is located on the web of the vertical support steel.

[0011] Furthermore, the screw in the screw-nut assembly is a threaded rod or a steel bar with external threads processed at both ends.

[0012] Furthermore, a nut is welded to one end of the screw rod, and the distance between the welded nut and the end face of the screw rod is greater than the thickness of the embedded steel plate.

[0013] Furthermore, there are 2-3 reserved circular holes on each of the vertical supports and corresponding threaded holes on the embedded steel plates.

[0014] Furthermore, the multiple embedded steel plates on the same prefabricated beam are also fixed by welding through embedded reinforcements arranged inside the prefabricated beam.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the utility model is further described in detail in combination with the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the assembled combined force-bearing structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the tripod of the utility model.

[0018] The numbers and corresponding names in the figure are:

[0019] 1. Tripod, 11. Horizontal support, 12. Vertical support,

[0020] 13. Oblique support, 14. Reserved circular hole, 2. Embedded system,

[0021] 21. Prefabricated beams, 22. Embedded steel plates, 23. Screw and nut assemblies,

[0022] 3. Drainage ditch casting, 4. Bottom formwork, 5. Side formwork,

[0023] 6. Wooden blocks, 7. Filling material. DETAILED DESCRIPTION

[0024] An assembled combined force-bearing structure for a drainage ditch, such as Figure 1 , 2 As shown, the assembled combined force-bearing structure includes a bottom formwork 4, a side formwork 5, a drainage ditch casting body 3 cast inside the bottom formwork 4 and the side formwork 5, and a force-bearing system and an embedding system 2. The force-bearing system is used to support the bottom formwork 4 and the drainage ditch casting body 3. It is located directly below the bottom formwork 4 and is a tripod 1 formed by welding a plurality of steel sections arranged at intervals along the direction of the drainage ditch casting body 3. Preferably, the horizontal support 11 and the vertical support 12 constituting the tripod 1 are made of one of channel steel, I-beam, flat steel and square steel, and the oblique support 13 of the tripod 1 is made of angle steel. A plurality of wooden squares 6 are laid on the horizontal supports 11 of two adjacent tripods 1, and the bottom formwork 4 is laid on the upper surface of the wooden squares 6. Before casting the drainage ditch, the reserved cavity between the bottom formwork 4, the side formwork 5 and the drainage ditch casting body 3 is filled with a wooden box or other objects as a filling body 7, and the filling body 7 is fixed to the bottom formwork 4 and / or the side formwork 5. The steel web of the vertical support 12 of the tripod 1 is provided with a reserved circular hole 14 whose axis is perpendicular to the direction of the drainage ditch casting body 3; 2-3 reserved circular holes 14 are arranged on each vertical support 12 in the form of top, middle and bottom or top and bottom to facilitate installation and fixation during construction. The embedding system 2 includes a precast beam 21, an embedded steel plate 22 and a plurality of screw and nut assemblies 23. The precast beam 21 is located on the outside of the vertical support 12 and is consistent with the direction of the drainage ditch casting body 3. The embedded steel plate 22 is embedded in the side wall of the precast beam 21 close to the tripod 1 and aligned with the vertical support 12. The embedded steel plate 22 is reserved with threaded holes at the position corresponding to the reserved circular hole 14; multiple embedded steel plates 22 on the same precast beam 21 are also welded and fixed by embedded reinforcements arranged inside the precast beam 21. The screw in the screw-nut assembly 23 is a threaded rod or a steel bar with external threads processed at both ends; the force-bearing system and the embedded system 2 are fixedly connected by the screw-nut assembly 23 inserted into the reserved circular hole 14 of the tripod 1 and the threaded hole on the embedded steel plate 22. To facilitate the installation of the screw, a nut is also welded to one end of the screw, and the distance between the welded nut and the end face of the screw is greater than the thickness of the embedded steel plate 22. During construction, the screw is first screwed into the embedded steel plate, the force-bearing system is inserted along the screw, the nut is tightened, wooden blocks and templates are placed on the tripod, and then concrete is poured. This assembled combined force-bearing structure utilizes the stability of the triangle, has good force-bearing performance, is easy to obtain materials, and is easy to install and disassemble. It can be assembled and used in a turnover manner, and does not occupy the lower space.

[0025] The present invention is not limited to the above-mentioned specific implementation modes. For ordinary technicians in this field, various changes made based on the above-mentioned conception without creative work all fall within the protection scope of the present invention.

Claims

1. An assembled combined force-bearing structure for a drainage ditch, comprising a bottom formwork and a side formwork for enclosing a drainage ditch casted with a profile, and a drainage ditch casting body cast inside the bottom formwork and the side formwork, characterized in that: It also includes a force-bearing system and an embedding system. The force-bearing system is located directly below the bottom formwork and is used to support the bottom formwork. The force-bearing system is a plurality of steel structure tripods arranged at intervals along the direction of the drainage ditch casting. The vertical supports of the tripods are provided with reserved circular holes whose axes are perpendicular to the direction of the drainage ditch casting. The embedding system includes precast beams, embedded steel plates and a plurality of screw and nut assemblies. The precast beams are located outside the vertical supports and are consistent with the direction of the drainage ditch casting. The embedded steel plates are embedded in the side walls of the precast beams close to the tripod sides and aligned with the vertical supports. The embedded steel plates are provided with threaded holes at the positions corresponding to the reserved circular holes. The force-bearing system and the embedding system are fixedly connected by screw and nut assemblies passed through the reserved circular holes of the tripods and the threaded holes of the embedded steel plates.

2. The assembled combined force-bearing structure for a drainage ditch according to claim 1, characterized in that: A plurality of wooden planks are laid on the horizontal supports of two adjacent tripods, and the bottom template is laid on the upper surface of the wooden planks.

3. The assembled combined force-bearing structure for a drainage ditch according to claim 1, characterized in that: The reserved cavities between the bottom formwork, the side formwork and the drainage ditch casting body are filled with a filling body, and the filling body is a wooden shell structure or a solid structure object.

4. The assembled combined force-bearing structure for a drainage ditch according to claim 1, characterized in that: The horizontal support and vertical support of the tripod are one of channel steel, I-beam, flat steel and square steel, the oblique support of the tripod is angle steel, and the reserved circular hole is located on the web of the vertical support steel.

5. The assembled combined force-bearing structure for a drainage ditch according to claim 1, characterized in that: The screw in the screw-nut assembly is a threaded rod or a steel bar with external threads processed at both ends.

6. The assembled combined force-bearing structure for a drainage ditch according to claim 5, characterized in that: A nut is welded to one end of the screw rod, and the distance between the welded nut and the end face of the screw rod is greater than the thickness of the embedded steel plate.

7. The assembled combined force-bearing structure for a drainage ditch according to claim 5, characterized in that: There are 2-3 reserved circular holes on each of the vertical supports and corresponding threaded holes on the embedded steel plates.

8. The assembled combined force-bearing structure for a drainage ditch according to claim 5, characterized in that: The multiple embedded steel plates on the same prefabricated beam are also fixed by welding through embedded reinforcements arranged inside the prefabricated beam.

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