CN222478369U - A prefabricated concrete foundation structure that is easy to splice - Google Patents

Abstract

The utility model discloses a precast concrete foundation structure that is easy to splice, including: a pair of convex extension support blocks, a circular support extension rod, a pair of concrete precast panels and a vertical steel bar group. The utility model relates to the field of precast concrete technology. Through the combination of the circular support extension rod and the convex extension support block, and the squeezing of the expansion plug-in cylindrical block by the vertical steel bar group, the concrete precast panel can be efficiently and firmly fixed. This fixing method is not only fast, but also can ensure that the precast panel will not loosen or fall off during use, thereby improving the overall stability of the structure; the design of the expansion plug-in cylindrical block enables the fixing system to adapt to concrete precast panels of different sizes and thicknesses. By adjusting the expansion and contraction amount of the expansion plug-in cylindrical block, it can ensure that the precast panel is firmly fixed in the specified position, thereby improving the adaptability and flexibility of the system.

Description

Precast concrete foundation structure convenient to concatenation

Technical Field

The utility model relates to the technical field of precast concrete, in particular to a precast concrete foundation structure convenient to splice.

Background

Prefabricated panels, i.e. floors widely used in early construction, are indispensable modules or panels in construction engineering. These prefabricated slabs are subjected to fine concrete processing and forming in a prefabricated field, and then are directly transported to a construction site for convenient installation, so that the prefabricated slabs are named.

The manufacturing process of the prefabricated plate is strict and efficient, firstly, a hollow model is carefully nailed by utilizing a wood plate, then, a reinforcement cage is skillfully arranged at the hollow part of the model, and then, the hollow area is filled with cement. After the cement has set completely, the board is gently knocked off, leaving behind a sturdy and durable prefabricated panel.

However, the concrete prefabricated enclosing wall used at present is not convenient enough in field splicing, and is difficult to disassemble easily after splicing, so that the secondary utilization rate of the concrete prefabricated plate is relatively low, and the recycling of resources and the sustainable development of the environment are not facilitated. Therefore, the splicing and disassembling convenience of the concrete prefabricated enclosing wall is improved, the secondary utilization rate of the prefabricated plate is enhanced, and the problem to be solved is urgent in the current building industry.

Disclosure of utility model

The prefabricated concrete foundation structure comprises a pair of convex expansion supporting blocks, a pair of rectangular support expansion rods, a pair of concrete precast slabs and a vertical steel bar set, wherein the rectangular support expansion rods are movably sleeved on the pair of convex expansion supporting blocks, the pair of concrete precast slabs are connected to the rectangular support expansion rods and the pair of convex expansion supporting blocks through expansion connecting structures, and the vertical steel bar set is movably inserted on the pair of convex expansion supporting blocks and the rectangular support expansion rods;

The expansion connecting structure comprises two pairs of expansion inserting cylindrical blocks, two pairs of horizontal telescopic sleeved circular blocks, two pairs of horizontal sleeved springs, two pairs of convex lifting inserting blocks, two pairs of lifting stretching magnets and an auxiliary connecting assembly;

The two pairs of cross-shaped expansion grooves are formed in the square support expansion rod, the two pairs of expansion plug-in cylindrical blocks are movably plugged into the inner sides of the two pairs of cross-shaped expansion grooves respectively, the two pairs of horizontal expansion plug-in circular rings are sleeved on the two pairs of expansion plug-in cylindrical blocks respectively, the two pairs of horizontal plug-in springs are mounted on the inner sides of the two pairs of cross-shaped expansion grooves respectively, the two pairs of horizontal plug-in springs are sleeved on the two pairs of expansion plug-in cylindrical blocks respectively, a pair of locking expansion grooves are formed in the two pairs of locking expansion grooves respectively, the two pairs of protruding lifting plug-in blocks are movably plugged into the inner sides of the two pairs of protruding lifting grooves respectively, the two pairs of lifting and stretching magnets are sleeved on the two pairs of protruding lifting plug-in blocks respectively, the auxiliary connecting component is mounted on the two pairs of precast blocks, the two pairs of expansion plug-in support blocks and the two pairs of expansion plug-in cylindrical blocks respectively, and the two pairs of expansion plug-in expansion blocks are sleeved on the two pairs of precast blocks respectively, and the two pairs of expansion plug-in blocks are sleeved on the two pairs of expansion blocks respectively, and the two pairs of expansion plug-in expansion blocks respectively;

In the above, the loop-shaped supporting expansion rod is sleeved on the convex expansion supporting block, the locking expansion groove on the pair of concrete precast slabs is sleeved on the convex expansion supporting block, the vertical reinforcement bar group is movably inserted on the loop-shaped supporting expansion rod and the convex expansion supporting block, the expansion inserting cylindrical block is extruded through the vertical reinforcement bar group, the expansion inserting cylindrical block drives the horizontal expansion sleeve circular block to extrude the horizontal sleeve spring, and meanwhile, the expansion inserting cylindrical block is inserted into the inner side of the concrete precast slab, so that the concrete precast slabs are expanded and fixed quickly, meanwhile, the convex lifting inserting block is pushed to lift steadily through expansion of the expansion inserting cylindrical block, when the expansion inserting cylindrical block is completely inserted into the inner side of the concrete precast slab, the convex lifting inserting cylindrical block is opposite to the inner side of the slot hole on the expansion inserting cylindrical block, and the loop-shaped supporting expansion rod and the concrete precast slab are fixed quickly and inserted and fixed through the auxiliary connecting component.

Preferably, the auxiliary connection assembly comprises a plurality of expansion bolts and a pair of tooth-mounted inserting plates;

The two sides of the square support expansion rod, the pair of concrete precast slabs and the pair of convex expansion support blocks are respectively provided with a plurality of inserting grooves, the pair of tooth-mounted inserting plate slide ways are inserted into the inner sides of the plurality of inserting grooves, the expansion bolts are respectively inserted into the inner sides of the pair of tooth-mounted inserting plates and the plurality of inserting grooves, and the expansion bolts are respectively inserted into the two pairs of expansion inserting cylindrical blocks;

In the above description, the tooth-mounted inserting plate is inserted into the inner sides of the inserting grooves of the loop-shaped supporting expansion rod, the pair of concrete precast slabs and the pair of convex-type expanding supporting blocks, and is secondarily fixed by a plurality of expansion bolts.

Preferably, cement mortar is arranged on the inner side of the square support expansion rod.

Preferably, two pairs of steel plate reinforcing sheets are arranged on the vertical steel bar group.

Preferably, a pair of the convex expansion supporting blocks are provided with sealing foaming glue.

Preferably, the loop-shaped support expansion rod is sleeved with the sealing foaming glue.

Advantageous effects

The utility model provides a precast concrete foundation structure convenient to splice. The prefabricated concrete foundation structure convenient to splice has the beneficial effects that the prefabricated concrete foundation structure convenient to splice can be used for efficiently and stably fixing a concrete prefabricated plate through the combination of the rectangular support expansion rod and the convex expansion support block and the extrusion of the vertical steel bar set to the expansion plug-in cylindrical block. The fixing mode is rapid, the precast slabs can be prevented from loosening or falling off in the using process, the overall stability of the structure is improved, and the fixing system can adapt to concrete precast slabs with different sizes and thicknesses due to the design of the expansion plug-in cylindrical blocks. The design adopts a double fixing mechanism, namely primary fixing of the expansion plug-in cylindrical block and secondary fixing of the convex lifting plug-in block. The design can ensure that the precast slab can still keep stable under the action of external force, further improves the reliability and safety of the fixing effect, and can conveniently and rapidly insert and fix the rectangular support expansion rod and the concrete precast slab through the auxiliary connecting component. In addition, the fixing effect can be further enhanced by utilizing a plurality of expansion bolts for secondary fixing, the prefabricated plate is prevented from shifting in the using process, the whole fixing process is relatively simple, complicated mechanical operation or professional skill is not needed, and the installation difficulty and cost are reduced. Meanwhile, the quick inserting and fixing mode also improves the construction efficiency and shortens the construction period.

Drawings

Fig. 1 is a schematic view in partial cross-section of a precast concrete foundation structure of the present utility model for ease of splicing.

Fig. 2 is a schematic side view partially in cross-section of a precast concrete foundation structure of the present utility model for ease of splicing.

Fig. 3 is a partial enlarged view of "a" in fig. 1.

In the figure, a convex type expansion supporting block, a 2, a square type support expansion rod, a 3, a concrete precast slab, a 4, a vertical steel bar set, a 5, an expansion inserting cylindrical block, a 6, a horizontal telescopic sleeve circular block, a 7, a horizontal sleeve spring, a 8, a convex type lifting inserting block, a 9, a lifting stretching magnet, a 10, an expansion bolt, a 11 and a tooth inserting plate.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller and encoder should be selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, and the detailed connection means are known in the art, and mainly introduce the working principles and processes as follows, and do not describe the electric control.

Examples

The present invention will be described in detail below with reference to the accompanying drawings, as shown in fig. 1-3, the rectangular support expansion rod 2 is movably sleeved on a pair of the convex expansion support blocks 1, a pair of the concrete precast slabs 3 are connected to the rectangular support expansion rod 2 and a pair of the convex expansion support blocks 1 through expansion connection structures, and the vertical reinforcement set 4 is movably inserted on a pair of the convex expansion support blocks 1 and the rectangular support expansion rods 2; the expansion connection structure comprises two pairs of expansion plug-in cylindrical blocks 5, two pairs of horizontal telescopic sleeve circular blocks 6, two pairs of horizontal sleeve springs 7, two pairs of convex lifting plug-in cylindrical blocks 8, two pairs of lifting stretching magnets 9 and auxiliary connection components, wherein two pairs of cross-shaped telescopic grooves are formed in the square support expansion rod 2, the two pairs of expansion plug-in cylindrical blocks 5 are movably plugged in the inner sides of the two pairs of cross-shaped telescopic grooves respectively, the two pairs of horizontal telescopic sleeve circular rings are sleeved on the two pairs of expansion plug-in cylindrical blocks 5 respectively, the two pairs of horizontal sleeve springs 7 are sleeved on the inner sides of the two pairs of cross-shaped telescopic grooves respectively, a pair of locking telescopic grooves are formed in the two pairs of expansion plug-in cylindrical blocks 5 respectively, the two pairs of lifting plug-in cylindrical blocks 8 are movably plugged in the two pairs of lifting plug-in cylindrical blocks 8 respectively, the auxiliary connecting assembly is arranged on a pair of concrete precast slabs 3, a pair of convex expansion supporting blocks 1 and a pair of square support expansion rods 2, two pairs of sleeved limiting grooves are respectively formed in the pair of concrete precast slabs 3, the two pairs of sleeved limiting grooves are respectively sleeved on the pair of convex expansion supporting blocks 1, the auxiliary connecting assembly comprises a plurality of expansion bolts 10 and a pair of tooth mounting inserting plates 11, a plurality of inserting grooves are respectively formed in two sides of the square support expansion rods 2, the pair of concrete precast slabs 3 and the pair of convex expansion supporting blocks 1, a pair of tooth mounting inserting plates 11 are respectively inserted on the inner sides of the plurality of inserting grooves, the plurality of expansion bolts 10 are respectively inserted on the inner sides of the pair of tooth mounting inserting plates 11 and the plurality of inserting grooves, the plurality of expansion bolts 10 are respectively inserted on the two pairs of expansion inserting cylindrical blocks 5, a plurality of square support expansion cement rods 2 are respectively arranged on the inner sides of square support expansion rods 2, a pair of vertical reinforcement sealing rubber sheets 4 are arranged on the square support expansion rods 1.

According to the drawing 1-3, the loop-shaped supporting expansion rod 2 is sleeved on the convex expansion supporting block 1, the locking telescopic groove on the pair of concrete precast slabs 3 is sleeved on the convex expansion supporting block 1, the vertical reinforcement bar group 4 is movably inserted on the loop-shaped supporting expansion rod 2 and the convex expansion supporting block 1, the expansion inserting cylindrical block 5 is extruded through the vertical reinforcement bar group 4, the expansion inserting cylindrical block 5 drives the horizontal telescopic sleeved circular ring block 6 on the expansion inserting cylindrical block 5 to extrude the horizontal sleeved spring 7, and meanwhile the expansion inserting cylindrical block 5 is inserted on the inner side of the concrete precast slab 3, so that the expansion fast inserting and fixing of the concrete precast slab 3 is achieved, meanwhile, the convex lifting inserting block 8 is pushed to stably lift through the expansion of the expansion inserting cylindrical block 5, when the expansion inserting cylindrical block 5 is completely inserted on the inner side of the concrete precast slab 3, the convex lifting inserting cylindrical block 8 is opposite to the inner side of a slotted hole on the expansion inserting cylindrical block 5, the expansion inserting cylindrical block 5 is fixed on the inner side of the precast slab 3, and the expansion precast slab is fixed on the inner side of the concrete precast slab 3 through the first expansion supporting slab 2 and the second expansion supporting slab 2, and the expansion supporting slab is fixed on the expansion supporting slab 2 through the expansion supporting slab 2, and the expansion supporting slab is fixed on the expansion supporting slab 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The precast concrete foundation structure convenient to splice comprises a pair of convex expansion supporting blocks, a square support expansion rod, a pair of precast concrete slabs and a vertical steel bar set, and is characterized in that the square support expansion rod is movably sleeved on the pair of convex expansion supporting blocks, the pair of precast concrete slabs are connected to the square support expansion rod and the pair of convex expansion supporting blocks through an expansion connecting structure, and the vertical steel bar set is movably inserted on the pair of convex expansion supporting blocks and the square support expansion rod;

The expansion connecting structure comprises two pairs of expansion inserting cylindrical blocks, two pairs of horizontal telescopic sleeved circular blocks, two pairs of horizontal sleeved springs, two pairs of convex lifting inserting blocks, two pairs of lifting stretching magnets and an auxiliary connecting assembly;

Two pairs of cross-shaped expansion grooves are formed in the square support expansion rod, two pairs of expansion plug cylindrical blocks are movably plugged into the inner sides of the two pairs of cross-shaped expansion grooves respectively, two pairs of horizontal telescopic sleeve circular rings are movably plugged into the inner sides of the two pairs of cross-shaped expansion grooves respectively, the two pairs of horizontal telescopic sleeve circular rings are sleeved on the two pairs of expansion plug cylindrical blocks respectively, two pairs of horizontal sleeve springs are mounted on the inner sides of the two pairs of cross-shaped expansion grooves respectively, the two pairs of horizontal sleeve springs are sleeved on the two pairs of expansion plug cylindrical blocks respectively, a pair of locking telescopic grooves are formed in the concrete precast slab respectively, two pairs of convex lifting plug blocks are movably plugged into the inner sides of the two pairs of convex lifting grooves respectively, two pairs of lifting stretching magnets are sleeved on the two pairs of convex lifting plug blocks respectively, and an auxiliary connecting component is mounted on the precast slab, the pair of expansion plug cylindrical blocks and the pair of expansion plug cylindrical blocks are sleeved on the two pairs of expansion plug support rods respectively, and the pair of expansion plug support blocks are sleeved on the two pairs of expansion plug cylindrical blocks respectively.

2. The precast concrete foundation structure of claim 1, wherein said auxiliary connection assembly comprises a plurality of expansion bolts and a pair of tooth-mounted insertion plates;

The two sides of the square support expansion rod, the pair of concrete precast slabs and the pair of convex expansion support blocks are respectively provided with a plurality of inserting grooves, the pair of tooth-mounted inserting plate slide ways are inserted into the inner sides of the plurality of inserting grooves, the expansion bolts are respectively inserted into the inner sides of the pair of tooth-mounted inserting plates and the plurality of inserting grooves, and the expansion bolts are respectively inserted into the two pairs of expansion inserting cylindrical blocks.

3. A precast concrete foundation structure for facilitating splicing according to claim 2, wherein the inner side of the loop-shaped supporting extension rod is provided with cement mortar.

4. A precast concrete foundation structure for facilitating splicing according to claim 3, wherein two pairs of steel plate reinforcing sheets are provided on the vertical reinforcing bar group.

5. The precast concrete foundation structure of claim 4, wherein a pair of said convex expansion support blocks are provided with a sealing foam.

6. The precast concrete foundation structure of claim 5, wherein said loop-shaped support extension bar is sleeved with said sealant.