CN211200357U

CN211200357U - Hollow pile for civil construction

Info

Publication number: CN211200357U
Application number: CN201821970446.7U
Authority: CN
Inventors: 祝新
Original assignee: Hunan City University
Current assignee: Hunan City University
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-08-07
Anticipated expiration: 2028-11-27

Abstract

The utility model discloses a hollow pile for civil construction, including stiffener, centre bore, pile body, deflector and reinforcing plate, the inside of pile body is equipped with the centre bore, the centre bore runs through the pile body, equidistant even vertical 4 spacing grooves of having arranged on the pile body inside wall of centre bore position department, and wherein two relative spacing groove bottoms all incline downwards with high position department and be equipped with the through-hole. The utility model discloses an all be equipped with the spacing groove on the centre bore of pile body lateral wall intermediate position department, and be equipped with on the support column with spacing groove matched with reinforcing plate, not only can be convenient for separately place of pile body and reinforcing plate, be convenient for construct, at the in-process that uses support column and reinforcing plate, not only extrude once more to the soil of the inside parcel of pile body, increase the soil density between support column and reinforcing plate and the pile body lateral wall, utilize soil to increase the intensity of pile body, and utilize the reinforcing plate to promote the intensity that the pile body lateral wall is located intermediate position department, promote the result of use of pile body.

Description

Hollow pile for civil construction

Technical Field

The utility model relates to a civil engineering technical field specifically is a hollow pile for civil construction.

Background

The prestressed concrete tubular pile can be divided into post-tensioning prestressed tubular pile and pre-tensioning prestressed tubular pile, the pre-tensioning prestressed tubular pile is a hollow cylindrical body elongated concrete prefabricated component made up by adopting pre-tensioning prestressing process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule.

The pretensioning prestressed square pile is a hollow cylinder body slender concrete prefabricated component made up by adopting pretensioning prestressing process and centrifugal forming method, mainly is formed from square pile body, end plate and steel hoop, and compared with other pile types, the square pile is made into square or polygonal form, and its angle of repose between pile body and soil in the soil layer is greater than that of circular form, so that it can obtain greater bearing force, and can save a lot of basic funds for engineering.

At present, because the existing hollow square pile for civil construction is square in shape, and the center hole inside the hollow square pile is round in the process of utilizing centrifugal forming, the thickness of the cement at the four corners of the produced hollow square pile is higher than that of the cement at the middle position of each side edge, so that the bearing capacity and the strength of the middle position of the side edge of the hollow square pile relative to the four corners are lower, and in order to reduce the friction force of the hollow square pile in the process of inserting the hollow square pile into the ground for use, a bullet-shaped drill bit is arranged at the bottom end of the hollow square pile, while the hollow square pile with the drill bit at the bottom end always extrudes the soil to the outer side of the hollow square pile in the process of using the hollow square pile without the drill bit, so that the friction force of the hollow square pile in the process of deeply burying the ground is larger, while the hollow square pile without the drill bit is buried deeply in the process of deeply the ground, the inside of hollow square pile can make soil process, not only reduced the resistance that hollow square pile received deeply burying underground in-process, because soil also exists in the inside of hollow square pile, then utilize the inside soil of hollow square pile to promote the stability of hollow square pile in the use, and at the in-process that hollow square pile used, in order to increase the intensity of hollow square pile, the inside strengthening rib structure that can increase evenly arranged of the hollow square pile of the majority, its overall structure intensity of hollow square pile that the increase has strengthening rib structure can promote greatly really, but because the strengthening rib adds the centre bore position department inside hollow square pile, the resistance that hollow square pile received deeply burying underground in-process has undoubtedly been increased, be not convenient for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow pile for civil construction 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 hollow pile for civil construction comprises a reinforcing rod, a central hole, a pile body, guide plates and reinforcing plates, wherein the central hole is formed in the pile body, the central hole penetrates through the pile body, 4 limiting grooves are uniformly and vertically arranged on the inner side wall of the pile body at the position of the central hole at equal intervals, through holes are obliquely and downwards formed in the same height positions of the bottom ends of two opposite limiting grooves, the reinforcing rod penetrates through the through holes, one end of the reinforcing rod extends to the outer side of the pile body and is welded with a conical head, the other end of the reinforcing rod extends to the inside of the central hole and is hinged with a sliding block matched with the limiting grooves, a supporting column parallel to the pile body is arranged at the middle position inside the central hole, 4 reinforcing plates matched with the limiting grooves are uniformly arranged on the outer side wall of the supporting column at equal intervals, and a metal protective sleeve wraps the edge position at the top of the pile body, all equidistant evenly arranged the deflector on the pile body lateral wall of the adjacent both sides of through-hole, the height of deflector is progressively reduced to both sides along the intermediate position department of pile body lateral wall in proper order, and is located the transversal circular-arc of personally submitting that the deflector formed of same lateral wall position department.

Preferably, the cross section of the pile body is rectangular, the cross section of the central hole is circular, and the limiting grooves are located in the position of the central hole between two adjacent corners of the pile body.

Preferably, the bottom end of the supporting column is conical, and the height of the supporting column is higher than that of the reinforcing plate.

Preferably, the edge position of the bottom end of the pile body is provided with an extrusion ring with triangular cross sections at two ends.

Preferably, the pile body is evenly provided with water leakage holes at equal intervals.

Preferably, the bottom ends of the guide plates are all in an inclined plane shape.

Preferably, hoisting holes are formed in two ends of the guide plate at the middle positions of two sides of the outer side wall of the pile body.

Compared with the prior art, the beneficial effects of the utility model are that: the hollow pile for civil construction has the advantages that the guide plates are uniformly arranged on the two corresponding sides of the outer side wall of the pile body, so that the friction force between the pile body and the soil is increased by utilizing the guide plates, the bearing capacity of the pile body is improved, the guide plates which are arranged in parallel to the pile body can conveniently play a certain guiding role in the process of inserting the pile body into the ground, the pile body is prevented from being inclined in the process of being pressed to the ground bottom, the connectivity between the inside and the outside of the pile body can be increased by uniformly arranging the water leakage holes on the outer side wall of the pile body at equal intervals, the water accumulation inside the pile body is prevented from influencing the service life, the metal protective sleeve is arranged at the top of the pile body, the protection can be conveniently carried out in the process of beating the pile body, the damage to the pile body in the beating process is avoided, the height of the support column is higher than that of the reinforcing plates, and the bottom end of the support column is designed, can be convenient for the installation of the supporting column and the reinforcing plate, and avoid damaging the reinforcing plate in the process of knocking the supporting column, through arranging the through hole at the bottom end of the outer side wall of the pile body at the position of the limiting groove and inserting the reinforcing rod in the through hole, can be convenient for extruding the reinforcing rod out of the pile body in the process of additionally arranging the supporting column and the reinforcing plate, so that the reinforcing rod is inserted into the soil to increase the stability of the pile body, the utility model discloses a limiting groove is arranged on the central hole at the middle position of the side wall of the pile body, and the reinforcing plate matched with the limiting groove is arranged on the supporting column which is detachably assembled in the central hole, thereby not only being convenient for the separate placement of the pile body and the reinforcing plate and being convenient for construction, but also not only extruding the soil wrapped in the pile body again in the process of using the supporting column and the reinforcing plate to increase the soil density between the supporting column, utilize soil to increase the intensity of pile body, and utilize the reinforcing plate to promote the intensity that the pile body lateral wall is located intermediate position department, promote the result of use of pile body.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the top view of the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the through hole of the present invention;

FIG. 5 is a schematic front view of the supporting pillar and the reinforcing plate of the present invention;

fig. 6 is a schematic view of the top view structure of the supporting pillar and the reinforcing plate of the present invention.

In the figure: 1. a reinforcing bar; 2. a metal protective sleeve; 3. a slider; 4. a central bore; 5. hoisting holes; 6. a pile body; 7. a water leakage hole; 8. an extrusion ring; 9. a limiting groove; 10. a through hole; 11. a guide plate; 12. a conical head; 13. a support pillar; 14. a reinforcing plate.

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. 1-6, the present invention provides an embodiment: a hollow pile for civil construction comprises a reinforcing rod 1, a central hole 4, a pile body 6, a guide plate 11 and a reinforcing plate 14, wherein the pile body 6 is internally provided with the central hole 4, the central hole 4 penetrates through the

pile body

6, 4 limiting grooves 9 are uniformly and vertically arranged on the inner side wall of the pile body 6 at the position of the central hole 4 at equal intervals, the bottom ends of two opposite limiting grooves 9 are obliquely and downwards provided with through holes 10 at the same height position, the cross section of the pile body 6 is rectangular, the cross section of the central hole 4 is circular, the limiting grooves 9 are all positioned at the position of the central hole 4 between two adjacent corners of the pile body 6, the reinforcing rod 1 is inserted into the through holes 10, one end of the reinforcing rod 1 extends to the outer side of the pile body 6 and is welded with a conical head 12, the other end of the reinforcing rod 1 extends to the inside of the central hole 4 and is hinged with a sliding block 3 matched with the limiting grooves 9, the edge position of the bottom end of the pile, equidistant evenly arranged has the hole 7 that leaks on the pile body 6, the inside intermediate position department of centre bore 4 is equipped with the support column 13 that parallels with pile body 6, equidistant evenly arranged has 4 and spacing groove 9 matched with reinforcing plate 14 on the lateral wall of support column 13, the bottom of support column 13 is coniform, and support column 13 highly is higher than reinforcing plate 14's height, the border position department parcel at pile body 6 top has metal protection cover 2, all equidistant evenly arranged deflector 11 on the pile body 6 lateral wall of the adjacent both sides of through-hole 10, the bottom of deflector 11 all is the inclined plane form, the high intermediate position department along pile body 6 lateral wall of deflector 11 steadilys decrease to both sides in proper order, be located the transversal circular-arcly of personally submitting that 11 forms of deflector of same lateral wall position department, and 11 both ends of the deflector of 6 lateral wall both sides intermediate position department of pile body all are equipped with hole 5.

The working principle is as follows: when needs use, with pile body 6 perpendicular to ground, strike metal lag 2, bury pile body 6 at the bottom of the ground, bury the completion underground when pile body 6, aim at the circular position department of centre bore 4 with support column 13, and align reinforcing plate 14 with spacing groove 9, hit support column 13 once more, hit support column 13 to the inside of centre bore 4 completely, in-process that support column 13 drove reinforcing plate 14 and descend, reinforcing plate 14 offsets with slider 3, reinforcing plate 14 descends and drives slider 3 and descend, thereby make stiffener 1 extend to the pile body 6 outside and alternate to the inside of soil, the hole 7 that leaks then keeps the connectivity between pile body 6 and the soil, the rivers of being convenient for pass through.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hollow pile for civil construction, includes stiffener (1), centre bore (4), pile body (6), deflector (11) and reinforcing plate (14), its characterized in that: the pile body is characterized in that a center hole (4) is formed in the pile body (6), the center hole (4) penetrates through the pile body (6), 4 limiting grooves (9) are uniformly and vertically arranged on the inner side wall of the pile body (6) at the position of the center hole (4) at equal intervals, through holes (10) are obliquely and downwards arranged at the same height position of the bottom ends of the two opposite limiting grooves (9), reinforcing rods (1) are inserted into the through holes (10), one ends of the reinforcing rods (1) extend to the outer side of the pile body (6) and are welded with conical heads (12), the other ends of the reinforcing rods (1) extend into the center hole (4) and are hinged with sliding blocks (3) matched with the limiting grooves (9), supporting columns (13) parallel to the pile body (6) are arranged at the middle positions in the center hole (4), 4 reinforcing plates (14) matched with the limiting grooves (9) are uniformly arranged on the outer side wall of the supporting columns (13) at equal intervals, the utility model discloses a pile structure, including pile body (6), through-hole (10), pile body (6) lateral wall, the border position department parcel at pile body (6) top has metal lag (2), all equidistant evenly arranged deflector (11) on the pile body (6) lateral wall of the adjacent both sides of through-hole (10), the intermediate position department of high edge pile body (6) lateral wall of deflector (11) is steadilyd decrease to both sides in proper order, and is located the transversal circular-arc of personally submitting that deflector (11) of same lateral wall position department formed.

2. The hollow pile for civil construction according to claim 1, characterized in that: the cross section of the pile body (6) is rectangular, the cross section of the central hole (4) is circular, and the limiting grooves (9) are located in the position of the central hole (4) between two adjacent corners of the pile body (6).

3. The hollow pile for civil construction according to claim 1, characterized in that: the bottom end of the supporting column (13) is conical, and the height of the supporting column (13) is higher than that of the reinforcing plate (14).

4. The hollow pile for civil construction according to claim 1, characterized in that: the edge position of the bottom end of the pile body (6) is provided with an extrusion ring (8) with two triangular cross sections.

5. The hollow pile for civil construction according to claim 1, characterized in that: the pile body (6) is evenly provided with water leakage holes (7) at equal intervals.

6. The hollow pile for civil construction according to claim 1, characterized in that: the bottom ends of the guide plates (11) are all in an inclined plane shape.

7. The hollow pile for civil construction according to claim 1, characterized in that: and hoisting holes (5) are formed in the two ends of the guide plate (11) in the middle positions of the two sides of the outer side wall of the pile body (6).