CN109610445B - High strength and building pile of being convenient for pouring - Google Patents

Abstract

The invention discloses a high-strength and easy pouring construction pile, comprising a foundation and a pile body formwork, the bottom of the pile body formwork is fixedly connected with the top of the foundation, the top of the pile body formwork is provided with a concrete pouring port, and the pile body There are several ventilation holes on the side of the mold shell, and two threaded holes are provided on the surface of the pile body mold shell located on both sides of the ventilation holes. All corners are provided with cylindrical holes. The steel cage in the present invention adopts honeycomb structure, which has high strength, and the funnel-shaped concrete pouring port is more conducive to the entry of concrete into the inside of the pile form, which is convenient for pouring. The contact area of the outside air accelerates the solidification of the internal concrete, and the pile body formwork is spliced by means of the hook and the groove, which avoids the use of bolts for reinforcement, which is convenient for workers to install and remove the two segmented formwork.

Description

A high-strength and easy-to-pour construction pile

technical field

The invention relates to a construction pile, in particular to a high-strength construction pile that is easy to pour.

Background technique

Architecture is a general term for buildings and structures. It is an artificial environment created by people in order to meet the needs of social life, using the material and technical means they have mastered, and using certain scientific laws, Feng Shui concepts and aesthetic laws. Modern buildings are made of reinforced concrete. Mainly, in order to ensure the stability of the building, it is a common construction method to lay down building piles on the foundation before building the building.

At present, construction piles are generally logs or reinforced concrete columns, which are directly inserted into the ground vertically under relatively large pressure, just like nails are driven into wood, and are fixed by the extrusion action of the surrounding soil. Some construction piles have low compressive strength and are not easy to sink. The labor intensity of workers is high. Repeated impact and falling down will easily damage the internal structure of the pile body. Some construction piles are formed by in-situ casting. They are all cuboid or cylindrical, with poor strength. In addition, most of the existing building pile molds have no pouring port and are poured from top to bottom as a whole, which is not convenient for the concrete to enter the bottom smoothly, and there is no ventilation structure on the side. And most of them are one long mold or connected by bolts, and the internal concrete setting speed is slow, which is inconvenient for workers to install and remove. Therefore, we have improved this and proposed a high-strength and easy-to-cast construction pile.

SUMMARY OF THE INVENTION

In order to solve the defects existing in the prior art, the present invention provides a high-strength and easy-to-cast construction pile.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

The present invention is a high-strength and easy-to-cast construction pile, comprising a foundation and a pile form, the bottom of the pile form is fixedly connected with the top of the foundation, and the top of the foundation inside the pile form is plugged There is a steel cage, the top of the pile form is provided with a concrete pouring port, the side of the pile form is provided with a number of ventilation holes, and the surfaces of the pile form on both sides of the ventilation holes are opened with Two threaded holes, the surface of the ventilation hole is provided with a plurality of arc-shaped fixing plates, the four corners of the arc-shaped fixing plate are provided with cylindrical holes, the first bolts are inserted through the cylindrical holes, and The first bolt passes through the arc-shaped fixing plate and is threadedly connected to the threaded hole on the surface of the pile body formwork.

As a preferred technical solution of the present invention, the pile body formwork includes two segmented formwork, the bottom of the segmented formwork is fixedly provided with a first fixing plate, and the top of the segmented formwork is fixedly provided with a first fixing plate. There is a second fixing plate, and the first fixing plate and the second fixing plate are fixedly connected by a clamping device, and the first fixing plate at the bottom is fixedly connected with the top of the foundation.

As a preferred technical solution of the present invention, the segmented mold shell includes a first shell and a second shell, and connecting plates are fixed on both sides of the first shell and the second shell, and four of the connecting plates There are three bolt holes vertically and equally spaced on the surface of the casing, and the two connecting plates at the fixed connection between the first shell and the second shell are fixedly connected by bolt groups in the three bolt holes.

As a preferred technical solution of the present invention, the engaging device includes six hooks, the tops of the six hooks are all fixedly connected to the bottom of the first fixing plate, and the top of the second fixing plate is provided with There are six card slots, and the hooks and the card slots are matched with each other. The top of the first fixing plate is provided with four cylindrical pin holes, and the four cylindrical pin holes pass through the bottom of the first fixing plate and extend to the first fixing plate. In the middle of the two fixing plates, cylindrical pin shafts are inserted into the six cylindrical pin holes.

As a preferred technical solution of the present invention, the inner side of the arc-shaped fixing plate is fixedly provided with an arc-shaped baffle plate, the arc-shaped baffle plate has the same wall thickness as the segmented mold shell, and the shape of the arc-shaped baffle plate is the same as The ventilation holes are of the same shape.

As a preferred technical solution of the present invention, the interior of the reinforcement cage is in a honeycomb shape, and the bottom of the reinforcement cage is fixedly connected to the reinforcement inside the foundation.

As a preferred technical solution of the present invention, the outer contour of the reinforcement cage is a hexagonal column structure, and the interior of the segmented formwork is a hexagonal through hole, which is matched with the reinforcement cage.

As a preferred technical solution of the present invention, the first fixing plate and the second fixing plate are both composed of two semicircular arc rings.

As a preferred technical solution of the present invention, the concrete pouring port is funnel-shaped, and the bottom matches with the hexagonal through holes inside the segmented formwork.

As a preferred technical solution of the present invention, the first shell and the second shell are both made of steel structures, and both are formed by one-time casting of a mold.

The beneficial effects of the present invention are:

1. This kind of high-strength and easy-to-cast building pile adopts honeycomb structure for the internal steel cage. The structure of the honeycomb structure itself is relatively stable and the strength is high, so that after the concrete is poured; the concrete and the pile body formwork, the internal honeycomb structure. The steel cage is combined and solidified, so that the strength of the entire building pile is much greater than that of the existing cuboid and cylindrical structure building piles.

2. For this kind of high-strength and easy-to-pour construction pile, a concrete pouring port is arranged on the top of the pile formwork, the concrete pouring port is funnel-shaped, and the bottom matches the hexagonal through hole inside the segmented formwork, so that When pouring concrete, the funnel-shaped concrete pouring port is more conducive to the entry of concrete into the inside of the pile form. In addition, the pile form is spliced at both ends, and the upper segmented form can be spliced after the bottom is poured. Then pouring is carried out to avoid the pile body form being too high, and the concrete on the top cannot fill the interior of the pile body form smoothly.

3. This kind of high-strength and easy-to-pour construction pile has high pile quality. By opening ventilation holes on the side of the pile formwork, after a period of time, open the arc-shaped fixing plate outside the ventilation holes to remove the arc-shaped piles. The baffle can increase the contact area between the internal concrete and the outside air, accelerate the solidification of the internal concrete, reduce the waiting time for solidification, reduce the construction period, greatly improve the construction speed, and ensure that the project can be completed within the specified time.

4. This kind of high-strength and easy-to-pour construction pile is provided with a clamping device and a pin shaft at the base of the two segmented mold shells. Insert the hook of the hook into the bottom of the slot for precise engagement, so that the two segmented mold shells are precisely connected, and the cylindrical pin shaft is inserted into the cylindrical pin hole to limit the position to avoid the occurrence of two segmented mold shells. The relative sliding ensures the stability of the two segmented formwork during the entire construction process. The pile body formwork is spliced together by means of the hook and the slot, which avoids the use of bolts for reinforcement, which is convenient for workers to adjust the two segmented formwork. shell to install.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of a kind of high-strength and easy pouring construction pile of the present invention;

2 is a side view of a pile formwork of a high-strength and easy-to-cast construction pile of the present invention;

Figure 3 is a side sectional view of a pile body formwork of a high-strength and easy-to-cast construction pile of the present invention;

4 is a top view of the second fixing plate of a high-strength and easy-to-cast construction pile of the present invention;

5 is a side sectional view of a high-strength and easy-to-cast construction pile engaging device of the present invention;

6 is a side view of a ventilation hole of a high-strength and easy-to-cast construction pile of the present invention;

FIG. 7 is a schematic structural diagram of an arc-shaped fixed plate of a high-strength and easy-to-cast building pile of the present invention.

In the figure: 1. Foundation; 2. Pile form; 3. Reinforcement cage; 4. Concrete pouring port; 5. Ventilation hole; 6. Screw hole; 7. Arc-shaped fixing plate; 1. Bolt; 10. Segmented formwork; 11. First fixing plate; 12. Second fixing plate; 13. First casing; 14. Second casing; 15. Connecting plate; 16. Bolt hole; 17. Bolt group ; 18, hook; 19, card slot; 20, cylindrical pin hole; 21, cylindrical pin shaft; 22, arc baffle.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

Example: As shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6 and Figure 7, a high-strength and easy-to-cast construction pile of the present invention includes a foundation 1 and a pile formwork 2, The bottom of the pile formwork 2 is fixedly connected with the top of the foundation 1 , and the top of the foundation 1 inside the pile formwork 2 is plugged with a reinforcement cage 3 .

The top of the pile form 2 is provided with a concrete pouring port 4, the side of the pile form 2 is provided with a number of ventilation holes 5, and the surfaces of the pile form 2 located on both sides of the ventilation holes 5 are provided with two threaded holes. 6. The surface of the ventilation hole 5 is provided with several arc-shaped fixing plates 7. The four corners of the arc-shaped fixing plate 7 are provided with cylindrical holes 8. The cylindrical holes 8 are interspersed with first bolts 9, and the first bolts 9. Through the arc-shaped fixing plate 7 and the threaded hole 6 on the surface of the pile body formwork 2, the inner steel cage 3 adopts a honeycomb structure. The structure of the honeycomb structure itself is relatively stable and the strength is high. Combined with the steel cage 3 of the inner honeycomb structure and solidified, the strength of the entire construction pile is much greater than that of the existing construction piles of cuboid and cylindrical structures.

Specifically, as shown in FIG. 1 , in this embodiment, preferably, the pile body formwork is an isometric cylinder. Specifically, the pile body formwork is based on a regular hexagonal cylinder, and is formed between two opposite sides. The façade is provided with a curved surface to form an asymmetrical column. The inside of the pile form is hollow to form a through hole of a regular hexagonal cylinder. After the unequal-sided column building pile is formed, the contact surface between the pile material and the soil layer is increased, and the friction force is increased; the reinforcement method is flexible, and the curved surface edge enhances the anti-damping strength of the pile body. The inner layer is a regular hexagon, and the hexagonal cross-section and hexagonal steel cage can exert the material properties of concrete and steel more effectively than conventional circular bored piles, thereby improving the horizontal bearing capacity of the pile body, and at the same time , the distribution density of the steel bar on the pit face is greater than that on the ground face, which can better exert the tensile strength of the steel bar, rationally configure the number of steel bars, avoid material waste, and save the amount of steel bars. The combination of the two makes the strength of the building pile higher, which is more suitable for the use of high-rise buildings.

By setting the concrete pouring port 4 on the top of the pile form 2, the concrete pouring port 4 is funnel-shaped, and the bottom matches the hexagonal through hole inside the segmented formwork 10, so that when the concrete is poured, the funnel-shaped concrete The pouring port 4 is more conducive to the entry of concrete into the inside of the pile formwork 2. In addition, the pile body formwork 2 is spliced at both ends. After the bottom pouring is completed, the upper segmented formwork 10 can be spliced and then poured. It is avoided that the pile body formwork 2 is too high, and the concrete on the top cannot fill the interior of the pile body formwork 2 smoothly. By opening the ventilation holes 5 on the side of the pile body formwork 2, after pouring for a period of time, open the ventilation holes 5. The outer arc-shaped fixing plate 7. Remove the arc-shaped baffle plate 22, which can increase the contact area between the inner concrete and the outside air, accelerate the solidification of the inner concrete, reduce the waiting time for solidification, reduce the construction period, and greatly improve the construction speed to ensure that the project can be completed within the specified time.

An engaging device and a pin shaft are provided at the base of the two segmented mold shells 10. After inserting the hook 18 into the slot 19, rotate it in the direction of the hook portion of the hook 18, and insert the hook portion of the hook 18 into the slot 19. The bottom of the card slot 19 is precisely engaged, so that the two segmented mold shells 10 are precisely connected, and the cylindrical pin shaft 21 is inserted into the cylindrical pin hole 20 to limit the position to prevent the two segmented mold shells 10 from sliding relative to each other. The stability of the two segmented formwork 10 during the entire construction process is guaranteed, and the pile body formwork 2 is spliced together by means of the hook 18 and the slot 19, which avoids the use of bolts for reinforcement, and facilitates the workers to adjust the two segments. The formwork 10 is installed and removed.

The pile body formwork 2 includes two segmented formwork 10. The bottom of the segmented formwork 10 is fixed with a first fixing plate 11, and the top of the segmented formwork 10 is fixed with a second fixing plate 12. A fixed plate 11 and a second fixed plate 12 are fixedly connected by a snap device, the first fixed plate 11 at the bottom is fixedly connected to the top of the foundation 1, and can be opposed to a segmented formwork 10 at the bottom during pouring Carry out pouring. When the bottom segmented formwork 10 is poured, the top segmented formwork 10 is snapped and fixed to the top of the bottom segmented formwork 10 through the snap device. After the bottom is poured, the upper The segmented formwork 10 is spliced together and then poured, which prevents the pile body formwork 2 from being too high, and the concrete at the top cannot fill the interior of the pile body formwork 2 smoothly. The shell 10 solves the problem of difficult positioning and facilitates subsequent reinforcement with bolts.

The segmented formwork 10 includes a first shell 13 and a second shell 14, connecting plates 15 are fixed on both sides of the first shell 13 and the second shell 14, and the surfaces of the four connecting plates 15 are vertically equally spaced Three bolt holes 16 are provided, and the two connecting plates 15 at the fixed connection of the first shell 13 and the second shell 14 are fixedly connected by the bolt groups 17 in the three bolt holes 16, and the segmented mold shell 10 is divided into the first shell. 13 and the second shell 14 are buckled and spliced together. During installation, only the four connecting plates 15 on both sides of the first shell 13 and the second shell 14 need to be aligned, and then the six bolt groups 17 are inserted into the six bolt holes 16. After screwing, the first shell 13 and the second shell 14 can be fixed to form a complete segmented mold shell 10 . Greatly speed up the construction efficiency and improve the construction progress of the whole project.

The engaging device includes six hooks 18, the tops of the six hooks 18 are all fixedly connected to the bottom of the first fixing plate 11, the top of the second fixing plate 12 is provided with six slots 19, and the hooks 18 Matching with the card slot 19, the top of the first fixing plate 11 is provided with four cylindrical pin holes 20, and the four cylindrical pin holes 20 pass through the bottom of the first fixing plate 11 and extend to the middle of the second fixing plate 12, The six cylindrical pin holes 20 are all inserted with cylindrical pin shafts 21, and an engaging device and a pin shaft are provided at the bases of the two segmented mold shells 10. The hook portion of the hook 18 is rotated in the direction of the hook portion, and the hook portion of the hook 18 is inserted into the bottom of the slot 19 for precise engagement, so that the two segmented mold shells 10 are precisely connected, and the cylindrical pin shaft 21 is inserted into the cylindrical pin hole 20. To limit the position to avoid the relative sliding of the two segmented formwork 10, and to ensure the stability of the two segmented formwork 10 during the entire construction process, the pile body formwork is spliced by the way of matching the hook 18 and the slot 19. The shell 2 avoids using bolts for reinforcement, which is convenient for workers to install and disassemble the two segmented mold shells 10 .

Wherein, the inner side of the arc-shaped fixing plate 7 is fixedly provided with an arc-shaped baffle plate 22. The arc-shaped baffle plate 22 has the same wall thickness as the segmented mold shell 10, and the shape of the arc-shaped baffle plate 22 is consistent with the shape of the ventilation hole 5. The shape of the arc baffle 22 and the ventilation hole 5 is the same, which can ensure the sealing between the ventilation hole 5 and the arc baffle 22, and prevent the concrete inside the pile body formwork 2 from flowing out. Open the ventilation holes 5, and after pouring for a period of time, open the arc-shaped fixing plate 7 outside the ventilation holes 5 and remove the arc-shaped baffle plate 22, which can increase the contact area between the internal concrete and the outside air, accelerate the solidification of the internal concrete, reduce the Waiting for the solidification time, reducing the construction period, greatly improving the construction speed, and ensuring that the project can be completed within the specified time.

Among them, the interior of the steel cage 3 is honeycomb-shaped, and the bottom of the steel cage 3 is fixedly connected with the steel bars inside the foundation 1. The internal steel cage 3 adopts a honeycomb structure, and the structure of the honeycomb structure itself is relatively stable and high in strength. After the concrete is poured, the concrete is combined and solidified with the steel cage 3 of the honeycomb structure inside, so that the strength of the entire building pile is much greater than that of the existing building piles of cuboid and cylindrical structures.

Among them, the outer contour of the reinforcement cage 3 is a hexagonal column structure, the interior of the segmented formwork 10 is a hexagonal through hole, and is matched with the reinforcement cage 3, the outer contour of the reinforcement cage 3 adopts a honeycomb structure, and the structure of the honeycomb structure itself is relatively It is stable and has high strength, so that after the concrete is poured, the concrete is combined with the steel cage 3 of the inner honeycomb structure to solidify, and the interior of the segmented formwork 10 is a hexagonal through hole, so that the outer contour of the entire building pile is also hexagonal. The strength of the whole building pile is much greater than that of the existing building piles of cuboid and cylindrical structures.

Wherein, the first fixing plate 11 and the second fixing plate 12 are both composed of two semicircular arc rings, and the first fixing plate 11 and the second fixing plate 12 of the semicircular arc ring are perfect with the first casing 13 and the second casing 14 It cooperates with the first shell 13 and the second shell 14 to form a whole, which ensures that only four connecting plates 15 on both sides of the first shell 13 and the second shell 14 need to be aligned during installation, and then the six bolts are assembled. 17 is inserted into the six bolt holes 16 and tightened, the first shell 13 and the second shell 14 can be fixed to form a complete segmented mold shell 10, and the first fixing plate 11 and the second fixing plate of the semi-circular arc ring can be fixed. The plate 12 fits perfectly with the first housing 13 and the second housing 14 , forming a single piece with the first housing 13 and the second housing 14 .

Wherein, the concrete pouring port 4 is funnel-shaped, and the bottom is matched with the hexagonal through hole inside the segmented formwork 10. By setting the concrete pouring port 4 on the top of the pile body formwork 2, the concrete pouring port 4 is funnel-shaped, And the bottom is matched with the hexagonal through holes inside the segmented formwork 10, so that when pouring concrete, the funnel-shaped concrete pouring port 4 is more conducive to the entry of concrete into the interior of the pile body formwork 2, and the pile body formwork 2 By adopting splicing at both ends, the upper segmented formwork 10 can be spliced together after the bottom is poured and then poured, which prevents the pile body formwork 2 from being too high, and the concrete at the top cannot smoothly remove the pile body formwork 2. Internal padding.

Wherein, the first shell 13 and the second shell 14 are both made of steel structure, and both are formed by casting a mold at one time, and are made of steel structure, so that the first shell 13 and the second shell 14 have high strength, and are not easy to The deformation ensures that the first shell 13 and the second shell 14 can be reused. In addition, the mold is cast and formed at one time to avoid cracks in the interior of the first shell 13 and the second shell 14, ensuring that the first shell 13 and the second shell 14. The integrity of the interior prevents the first shell 13 and the second shell 14 from being damaged during use, thus ensuring the smoothness of construction and the progress of construction.

When working, the steel cage 3 is rolled from the top of the foundation 1 according to the honeycomb structure. The internal steel cage 3 adopts the honeycomb structure. The structure of the honeycomb structure itself is relatively stable and the strength is high. The steel cage 3 of the honeycomb structure is combined and solidified, so that the strength of the entire building pile is far greater than that of the existing building piles of cuboid and cylindrical structures, and then the first shell 13 and the second shell 14 are placed on the two sides of the steel cage 3 respectively. , align the four connecting plates 15 on both sides of the first shell 13 and the second shell 14 with each other, and then insert the six bolt groups 17 into the six bolt holes 16 and tighten them to connect the first shell 13 and the second shell 14 The outer shell 14 is fixed to form a complete segmented formwork 10 .

The first fixing plate 11 at the bottom of the segmented mold shell 10 is fixed to the ground, and then another segmented mold shell 10 is spliced by a snap-fit device. Rotate in the direction of rotation, insert the hook of the hook 18 into the bottom of the slot 19 for precise engagement, so that the two segmented mold shells 10 are precisely connected, and the cylindrical pin shaft 21 is inserted into the cylindrical pin hole 20 to limit the position, The relative sliding of the two segmented formwork 10 is avoided, and the stability of the two segmented formwork 10 during the entire construction process is ensured. In order to use bolts for reinforcement, it is convenient for workers to install the two segmented formwork 10 .

After the two segmented formwork 10 is fixed, the concrete is poured by setting the concrete pouring opening 4 on the top of the pile body formwork 2. The through holes are matched, so that when pouring concrete, the funnel-shaped concrete pouring port 4 is more conducive to the entry of concrete into the inside of the pile form 2. In addition, the pile form 2 is spliced at both ends, which can be poured at the bottom. The upper segmented formwork 10 is quickly spliced together, and then continuous pouring is carried out, which ensures the continuous integrity of the upper and lower pouring layers, avoids the occurrence of faults, and prevents the pile body formwork 2 from being too high, and the top concrete cannot be smoothly poured. The interior of the pile body formwork 2 is filled. After a period of time, the arc-shaped fixing plate 7 outside the ventilation hole 5 is opened to remove the arc-shaped baffle plate 22, which can increase the contact area between the internal concrete and the outside air, and accelerate the internal concrete. Solidification, reduce the waiting time for solidification, reduce the construction period, greatly improve the construction speed, and ensure that the project can be completed within the specified time. The formwork 2 is convenient for workers to install, and the ventilation holes 5 are provided to facilitate the accelerated solidification of the concrete inside, and it has high strength after the pouring is completed.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a building pile of high strength and pouring of being convenient for which characterized in that: comprises a foundation (1), a pile body formwork (2) and a reinforcement cage (3); the pile body formwork (2) is fixedly connected to the foundation (1), and the reinforcement cage (3) is arranged on the foundation (1) and is positioned in an inner cavity of the pile body formwork (2);

the pile body formwork (2) is an inequilateral cylinder, a regular hexagonal cylinder-shaped inner cavity is arranged in the hollow interior of the pile body formwork (2), a concrete pouring opening (4) is formed in the top of the pile body formwork (2), a plurality of vent holes (5) are formed in the side face of the pile body formwork (2), two threaded holes (6) are formed in the surface of the pile body formwork (2) located on the two sides of each vent hole (5), a plurality of arc-shaped fixing plates (7) are arranged on the surface of each vent hole (5), cylindrical holes (8) are formed in the four corners of each arc-shaped fixing plate (7), first bolts (9) penetrate through the cylindrical holes (8), and the first bolts (9) penetrate through the arc-shaped fixing plates (7) to be in threaded connection with the threaded holes (6) in the surface of the pile body formwork (2);

an arc baffle (22) is fixedly arranged on the inner side of the arc fixing plate (7), the wall thickness of the arc baffle (22) is the same as that of the sectional formwork (10), and the shape of the arc baffle (22) is consistent with that of the vent hole (5);

the inside of steel reinforcement cage (3) is cellular, and the bottom of steel reinforcement cage (3) and the inside reinforcing bar fixed connection of ground (1).

2. A high strength and ready-to-cast construction pile as claimed in claim 1, wherein:

the pile body formwork (2) comprises a plurality of sectional formworks (10) which are spliced up and down, a first fixing plate (11) is fixedly arranged at the bottom of each sectional formwork (10), a second fixing plate (12) is fixedly arranged at the top of each sectional formwork (10), the first fixing plate (11) is fixedly connected with the second fixing plate (12) through a clamping device, and the first fixing plate (11) is located at the bottommost part and is fixedly connected with the top of the foundation (1).

3. A high strength and easy to cast building pile as claimed in claim 2, wherein:

each segmented formwork (10) comprises a first shell (13) and a second shell (14), connecting plates (15) are fixedly arranged on two sides of the first shell (13) and the second shell (14), three bolt holes (16) are vertically formed in the surfaces of the four connecting plates (15) at equal intervals, and the two connecting plates (15) at the fixed connection position of the first shell (13) and the second shell (14) are fixedly connected through bolt groups (17) in the three bolt holes (16).

4. A high strength and ready-to-cast construction pile as claimed in claim 3, wherein:

the clamping device comprises six clamping hooks (18) and six clamping grooves (19) are formed in the top of each clamping hook (18) and fixedly connected with the bottom of the first fixing plate (11), the top of the second fixing plate (12) is provided with six clamping grooves (19), the clamping hooks (18) and the clamping grooves (19) are matched and arranged, the top of the first fixing plate (11) is provided with four cylindrical pin holes (20) and four cylindrical pin holes (20) penetrate through the bottom of the first fixing plate (11) and extend to the middle of the second fixing plate (12), and six cylindrical pin shafts (21) are inserted into the cylindrical pin holes (20).

5. A strong building pile easy to pour according to claim 2 characterized in that the reinforcement cage (3) has a hexagonal column profile matching the inner cavity of the segmental form (10).

6. A high strength and easy pouring building pile according to claim 2, characterized in that the first fixing plate (11) and the second fixing plate (12) are each composed of two semicircular arc rings.

7. A strong and easy-to-pour building pile according to claim 2, characterised by that the concrete pouring opening (4) is funnel-shaped and the bottom matches the hexagonal through hole inside the sectional form (10).

8. A high strength and easy pouring building pile according to claim 3, characterized in that the first and second outer shells (13, 14) are made of steel structure and are formed by one-time pouring with a mold.

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