CN212026240U

CN212026240U - Prestressed recycled concrete precast pile

Info

Publication number: CN212026240U
Application number: CN202020268484.9U
Authority: CN
Inventors: 左向明
Original assignee: Zhangjiagang Huacheng Concrete Components Co ltd
Current assignee: Zhangjiagang Huacheng Concrete Components Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-27
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a prestressing force recycled concrete precast pile, which comprises a cylinder body, cylinder bottom one end is provided with down the pressure head, and the top one end monolithic fixation of pressure head is on the cylinder under, and it pushes down head bottom one end and can fix and place the pressure head point, be hollow form inside the cylinder, the inside fixed a plurality of bolt holes that are provided with of top one end of its cylinder, and the inside bolt hole of cylinder top one end can be fixed with No. two bolts, is provided with the bearing at No. two bolt top fixed surface, and its bearing top rigidity is provided with a bolt, and eight precast reinforcement inside the cylinder make regeneration mix earth firmly fixed into a whole and precast reinforcement outer lane and reinforcement inner circle with eight precast reinforcement fixed convenience and the whole quality that improves the cylinder, bolt hole through design top with a bolt and No. two bolt fastening cylinder and spliced pole make things convenient for cylinder and spliced pole can be better in the transportation and when the construction whole quality of bolt hole through design cylinder top The flexible connection is used.

Description

Prestressed recycled concrete precast pile

Technical Field

The utility model relates to a construction field specifically is a prestressing force recycled concrete precast pile.

Background

At present, recycled concrete refers to concrete which is used for the next time and is prepared by crushing, cleaning and grading waste concrete blocks and mixing the crushed, cleaned and graded waste concrete blocks with grading according to a certain proportion, and in a pre-tensioned prestressed concrete pile of a building standard, a prestressed tendon is mainly used for meeting the load generated by the hoisting requirement of a precast pile, but can not provide bearing capacity, so that the function of the prestressed tendon is limited; in addition, because the prestressed concrete pile is a prestressed member, the prestressed concrete pile has low ductility, is easy to generate brittle failure, and cannot resist larger tensile force and bending stress, but the horizontal bearing capacity of the existing pretensioned prestressed concrete pile is relatively weak. The prefabricated columns required in the construction process may be short and welded when the lengthened prefabricated columns are connected again, which is time-consuming and labor-consuming and increases the construction cost. Therefore, the utility model provides a prestressed recycled concrete precast pile to solve the problem of proposing among the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide a prestressing force recycled concrete precast pile to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a prestressed recycled concrete precast pile comprises a cylinder body, wherein a lower pressure head is arranged at one end of the bottom of the cylinder body, one end of the top of the lower pressure head is integrally fixed on the cylinder body, a pressure head tip can be fixedly arranged at one end of the bottom of the lower pressure head, the cylinder body is hollow, a plurality of bolt holes are fixedly arranged in one end of the top of the cylinder body, a second bolt can be fixedly arranged in the bolt hole in one end of the top of the cylinder body, a bearing is fixedly arranged on the top surface of the second bolt, a first bolt is fixedly arranged at the top of the bearing, the first bolt is integrally fixed on the second bolt by the bearing on the top surface of the second bolt, a connecting column can be fixedly arranged at the top of the first bolt, the inside of the connecting column is also hollow, bolt holes are respectively arranged in one end of the top and one end of the bottom of the connecting column, a, the outer side position is fixed and is provided with the reinforcing bar outer lane on prefabricated reinforcing bar, and the inside position is fixed and is provided with the matching reinforcing bar inner circle on its prefabricated reinforcing bar.

As a further scheme of the utility model, be eight at the inside bolt hole of cylinder top one end, its eight bolt hole insides all can fix and set up No. two bolts and fix the spliced pole.

As the utility model discloses further scheme again, also be eight at the bolt hole of the inside fixed setting in the upper and lower both ends of spliced pole, No. two bolt fastening on the cylinder can all be placed to its eight bolt hole insidely.

As the utility model discloses scheme further again, a bolt welding is on the inboard ring of bearing, and its No. two bolt welded fastening are on the outside ring of bearing, and a bolt and No. two bolts all weld on the bearing for a whole.

As the utility model discloses scheme further again, be circular being fixed with prefabricated reinforcing bar in the inside of cylinder, its prefabricated reinforcing bar is eight even fixes between reinforcing bar outer lane and reinforcing bar inner circle.

As the utility model discloses further scheme again, the inside of spliced pole also is circular and is fixed with prefabricated reinforcing bar, and its prefabricated reinforcing bar is eight even fixes between reinforcing bar outer lane and reinforcing bar inner circle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. eight prefabricated reinforcing bars through the inside design cylinder make the fixed one whole and for the prefabricated reinforcing bar that regeneration concrete firmly and the whole quality of steel bar outer lane and steel bar inner circle with eight prefabricated reinforcing bars fixed convenience and improvement cylinder.

2. The column body and the connecting column are fixed by the first bolt and the second bolt through the bolt holes at the top of the column body, so that the column body and the connecting column can be connected and used better and flexibly in the transportation process and the construction process.

Drawings

Fig. 1 is a schematic structural view of a prestressed recycled concrete precast pile.

Fig. 2 is a schematic view of a structure in a prestressed recycled concrete precast pile.

Fig. 3 is a schematic view of a structure in a prestressed recycled concrete precast pile.

Fig. 4 is a schematic view of a structure in a prestressed recycled concrete precast pile.

Fig. 5 is a schematic view of a structure in a prestressed recycled concrete precast pile.

In the figure: 1. a cylinder; 2. a lower pressure head; 3. pressing the head tip; 4. connecting columns; 5. bolt holes; 6. prefabricating a steel bar; 7. an outer ring of the steel bar; 8. an inner reinforcement ring; 9. a first bolt; 10. a second bolt; 11. and a bearing.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a prestressed recycled concrete precast pile includes a cylinder 1, a lower pressing head 2 is disposed at one end of the bottom of the cylinder 1, one end of the top of the lower pressing head 2 is integrally fixed on the cylinder 1, one end of the bottom of the lower pressing head 2 is capable of being fixed with a pressing head tip 3, the cylinder 1 is hollow, a plurality of bolt holes 5 are fixedly disposed inside one end of the top of the cylinder 1, a second bolt 10 is fixedly disposed inside the bolt holes 5 inside one end of the top of the cylinder 1, a bearing 11 is fixedly disposed on the top surface of the second bolt 10, a first bolt 9 is fixedly disposed on the top of the bearing 11, the first bolt 9 is integrally fixed on the second bolt 10 by the bearing 11 on the top surface of the second bolt 10, a connecting column 4 is fixedly disposed on the top of the first bolt 9, and the inside of the connecting column 4 is also hollow, all be provided with bolt hole 5 in the top one end of spliced pole 4 and bottom one end inside, vertical fixed being provided with a plurality of prefabricated reinforcing bar 6 in the inside of cylinder 1, outside rigidity is provided with steel bar outer lane 7 on prefabricated reinforcing bar 6, and inside rigidity on its prefabricated reinforcing bar 6 sets up the adventure steel bar inner circle 8.

The number of the bolt holes 5 in the top of the column body 1 is eight, and the connecting column 4 can be fixed by fixedly arranging a second bolt 10 in each of the eight bolt holes 5. The number of the bolt holes 5 fixedly formed in the upper end and the lower end of the connecting column 4 is eight, and the second bolts 10 can be placed in the eight bolt holes 5 and fixed on the column body 1. The first bolt 9 is welded on an inner side ring of the bearing 11, the second bolt 10 is welded and fixed on an outer side ring of the bearing 11, and the first bolt 9 and the second bolt 10 are both welded on the bearing 11 to form a whole. The column body 1 is internally and circularly fixed with the prefabricated steel bars 6, and the prefabricated steel bars 6 are eight uniform steel bar outer rings 7 and eight uniform steel bar inner rings 8. The inside of spliced pole 4 also is circular being fixed with prefabricated reinforcing bar 6, and its prefabricated reinforcing bar 6 is eight even fixes between reinforcing bar outer lane 7 and reinforcing bar inner circle 8.

The utility model discloses a theory of operation is: when the prefabricated column is used, the pressing head tip 3 under the lower pressing head 2 of the column body 1 is more easily lifted and driven into the ground to enter the ground, because the indenter tip 3 is made of metal and is mounted on the lower indenter 2 by a person when the column 1 is lifted and about to be driven into the ground, when the length of the prefabricated column to be driven into the ground is measured during construction, the second bolt 10 can be directly screwed into the bolt hole 5 at the top of the column body 1, then the bolt hole at one end of the connecting column 4 is aligned with the first bolt 9 on the second bolt 10 of the column body 1, after the column body 1 and the connecting column 4 are aligned, a first bolt 9 is screwed into the connecting column 4 by using a spanner for fixed connection, and cylinder 1 and spliced pole 4 can come cylinder 1 and spliced pole 4 to use No. 9 bolts and No. two bolts 10 fixed connection according to the ground condition during the construction for the disconnect-type, make prefabricated post when production and construction building more convenient and practical.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A prestressed recycled concrete precast pile comprises a column body (1) and is characterized in that a lower pressure head (2) is arranged at one end of the bottom of the column body (1), one end of the top of the lower pressure head (2) is integrally fixed on the column body (1), one end of the bottom of the lower pressure head (2) can be fixedly provided with a pressure head tip (3), the column body (1) is hollow, a plurality of bolt holes (5) are fixedly arranged in one end of the top of the column body (1), a second bolt (10) can be fixedly arranged in the bolt holes (5) in one end of the top of the column body (1), a bearing (11) is fixedly arranged on the surface of the top of the second bolt (10), a first bolt (9) is fixedly arranged at the position of the top of the bearing (11), and the bearing (11) on the surface of the top of the second bolt (10) integrally fixes the first bolt (9) on the second bolt (10), can fix at a bolt (9) top and be equipped with spliced pole (4), its spliced pole (4) are inside also to be hollow, all are provided with bolt hole (5) in the top one end of spliced pole (4) and bottom one end inside, be provided with a plurality of prefabricated reinforcing bar (6) in the vertical fixed in inside of cylinder (1), outside rigidity is provided with reinforcing bar outer lane (7) on prefabricated reinforcing bar (6), and inside rigidity on its prefabricated reinforcing bar (6) sets up the chance reinforcing bar inner circle (8).

2. The precast pile of prestressed recycled concrete according to claim 1, characterized in that the number of the bolt holes (5) inside one end of the top of the column body (1) is eight, and the connecting column (4) can be fixed by the second bolt (10) inside each of the eight bolt holes (5).

3. The precast pile of prestressed recycled concrete according to claim 1, wherein the number of the bolt holes (5) fixedly arranged inside the upper and lower ends of the connecting column (4) is eight, and the second bolt (10) can be placed inside each of the eight bolt holes (5) and fixed on the column body (1).

4. The precast pile of prestressed recycled concrete according to claim 1, wherein the first bolt (9) is welded to the inner ring of the bearing (11), the second bolt (10) is welded and fixed to the outer ring of the bearing (11), and the first bolt (9) and the second bolt (10) are welded to the bearing (11) as a whole.

5. The precast pile of prestressed recycled concrete according to claim 1, wherein the column body (1) is internally and circularly fixed with eight precast reinforcing steel bars (6), and the eight precast reinforcing steel bars (6) are uniformly fixed between the outer reinforcing steel bar ring (7) and the inner reinforcing steel bar ring (8).

6. The precast pile of prestressed recycled concrete according to claim 1, characterized in that the inside of the connecting column (4) is also fixed with the precast reinforcing steel bars (6) in a circular shape, and eight precast reinforcing steel bars (6) are uniformly fixed between the outer reinforcing steel bar ring (7) and the inner reinforcing steel bar ring (8).