Concrete pipe pile with reinforcing reinforcement cage

Abstract

The utility model relates to the technical field of concrete pipe piles, and discloses a concrete pipe pile with a reinforced reinforcement cage, which comprises a reinforcement cage, an end plate and a ring sleeve, the reinforcement cage comprises a plurality of main reinforcement shafts which extend along the horizontal direction and are distributed circumferentially, and reinforcement bars which are wound and welded on the outer walls of the peripheral sides of the plurality of main reinforcement shafts, a reinforcing steel bar shaft is arranged on one side of each main steel bar shaft, a plurality of triangular supporting frames which are in a triangular shape and are evenly distributed in the extending direction of the main steel bar shafts at intervals are arranged in the steel bar cage, and each triangular supporting frame comprises three steel bar rods which are distributed in a triangular shape. The ends of every two adjacent reinforcing steel bars are welded to the position between the main reinforcing steel bar shaft and the reinforcing reinforcing steel bar shaft in a staggered mode. The two ends of the reinforcing cage are each provided with a reinforcing rib embedded into the ring sleeve, and the pitch of the reinforcing ribs is smaller than that of the reinforcing steel bars. The structural strength of the end portion of the concrete pipe pile is improved through the reinforcing ribs, so that when the concrete pipe pile is driven downwards, the end portion of the concrete pipe pile with large stress can have good structural stability.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete pipe piles, in particular to a concrete pipe pile with a reinforced steel cage. Background Art

[0002] Concrete pipe piles are tubular products made of concrete. They are mainly driven into the ground by pile drivers in specific geological environments to serve as the foundation of buildings.

[0003] At present, a Chinese patent with publication number CN220521315U and publication date February 23, 2024 discloses a prestressed concrete pipe pile, including a steel cage for concrete pouring, an end plate located at the end of the steel cage, a ring sleeve located on the peripheral side of the end plate, a pile tip located at the end of the end plate away from the steel cage, and an alloy steel end located at the end of the pile tip away from the end plate. The steel cage includes multiple steel shafts, steel bars wrapped around the peripheral sides of the multiple steel shafts, and a head end located at the end of the steel shaft. The peripheral side of the end plate is provided with multiple connecting holes corresponding to the multiple head ends respectively, and the connecting holes include threaded holes for the head ends to pass through, and clamping holes located on one side of the threaded holes and for the head ends to be embedded. The pile tip includes a base plate welded to the end plate, a tip welded to the base plate and in the shape of a truncated cone, a threaded limiting shaft with one end threadedly connected to the threaded hole is provided on the end plate, a through hole for the threaded limiting shaft to penetrate is provided on the base plate, and the tip is hollow and has a connecting sleeve for the threaded limiting shaft to penetrate.

[0004] When concrete pipe piles are driven downward, they are prone to cracking in some relatively hard geological conditions, thus affecting the progress of construction. Utility Model Content

[0005] The utility model aims to provide a concrete pipe pile with a reinforced steel cage, which is beneficial to improving the overall structural strength of the concrete pipe pile.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a concrete pipe pile with a reinforced steel cage, comprising a steel cage, an end plate located at one end of the steel cage, and a ring sleeve located around the end plate, the steel cage comprising a plurality of main steel shafts extending in a horizontal direction and distributed in a circumferential manner, and steel bars wound and welded on the outer walls of the circumferential sides of the plurality of main steel shafts, a reinforcing steel shaft being arranged on one side of each of the main steel shafts, a plurality of triangular support frames being arranged in the steel cage and evenly spaced along the extension direction of the main steel shaft, the triangular support frame comprising three steel bars distributed in a triangular manner, the ends of two adjacent steel bars being staggered and welded at a position between the main steel shaft and the reinforcing steel shaft, and reinforcing bars embedded in the ring sleeve and having a pitch smaller than the pitch of the steel bars being arranged at both ends of the steel cage.

[0007] The utility model is further configured as follows: a plurality of L-shaped limiting buckles for reinforcing ribs to be embedded are arranged on one side of the ring sleeve away from the end plate.

[0008] The utility model is further configured as follows: an end of the steel cage close to the ring sleeve is sleeved with an end steel ring welded to the circumferential side of the end portions of the main steel bars.

[0009] The utility model is further configured as follows: the end of the steel bar is welded to the outer wall of the end steel bar ring.

[0010] The utility model is further configured as follows: a plurality of reinforcing convex rings are arranged on the outer wall of the ring sleeve.

[0011] In summary, the utility model has the following beneficial effects:

[0012] 1. The reinforced steel bar axis is arranged on one side of each main steel bar axis. The reinforced steel bar axis can increase the structural strength of the steel cage. A plurality of triangular support frames are evenly spaced and distributed in the extension direction of the main steel bar axis in the steel cage. The triangular support frames can further increase the structural strength of the steel cage. At the same time, the ends of two adjacent steel bars are staggered and welded at the position between the main steel bar axis and the reinforced steel bar axis, which is conducive to the stable welding of the triangular support frame in the steel cage and the structural stability of the triangular support frame. At the same time, the reinforcing ribs are arranged at both ends of the steel cage, and the reinforcing ribs are embedded in the ring sleeve and the pitch is smaller than the pitch of the steel bar. At this time, the structural strength of the end of the concrete pipe pile can be improved by the reinforcing ribs, so that when the concrete pipe pile is driven downward, the end of the concrete pipe pile with greater force can have better structural stability; finally, the overall structural strength of the concrete pipe pile can be improved;

[0013] 2. Multiple L-shaped limit buckles are arranged on the side of the ring away from the end plate for the reinforcement bars to be embedded. The limit buckles can locate the position of the reinforcement bars, which is conducive to the stable wrapping of the reinforcement bars at the end of the steel cage;

[0014] 3. The end steel ring is set at one end of the steel cage close to the ring sleeve, and the end steel ring is welded to the circumferential side of the ends of the main steel bars. At this time, the end steel ring can further improve the structural strength of the end of the concrete pipe pile, so that when the concrete pipe pile is driven downward, the end of the concrete pipe pile with greater force can have better structural stability;

[0015] 4. The end of the steel bar can be welded to the outer wall of the end steel bar ring. At this time, the end of the steel bar can be positioned to avoid the end of the steel bar being offset and affecting the stable welding between the steel bar and the main steel bar axis;

[0016] 5. By using a plurality of reinforcing convex rings arranged on the outer wall of the ring sleeve, the structural strength of the ring sleeve can be enhanced, thereby further improving the structural strength of the end of the concrete pipe pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is an exploded view of the local structure of the utility model;

[0020] Figure 3 It is a cross-sectional view of the connection relationship between the main steel bar axis, the reinforced steel bar axis and the triangular support frame in the utility model;

[0021] Figure 4 It is an enlarged structural diagram of the ring sleeve in the utility model.

[0022] In the figure, 1. steel cage; 11. main steel shaft; 12. steel bar; 2. end plate; 3. ring sleeve; 31. limit buckle; 32. reinforcement convex ring; 4. reinforcement steel shaft; 5. triangular support frame; 51. steel rod; 6. reinforcement rib; 7. end steel ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] A concrete pipe pile with a reinforced steel cage, referring to Figure 1 , Figure 2 , Figure 3The concrete pipe pile with a reinforced steel cage includes a steel cage 1, an end plate 2, and a ring sleeve 3, wherein the end plate 2 is locked at the end of the steel cage 1 by bolts, and the ring sleeve 3 is located on the side of the end plate 2 and wrapped around the end of the steel cage 1. At the same time, the steel cage 1 includes a plurality of main steel shafts 11 extending in a horizontal direction and distributed in a circumference, and steel bars 12 wound and welded on the outer walls of the plurality of main steel shafts 11. A reinforcing steel shaft 4 is arranged on one side of each main steel shaft 11, wherein the cross-sectional outer diameter of the reinforcing steel shaft 4 is smaller than the cross-sectional outer diameter of the main steel shaft 11, and a gap is left between the reinforcing steel shaft 4 and the main steel shaft 11.

[0025] Reference Figure 2 , Figure 3 A plurality of triangular support frames 5 are also arranged in the steel cage 1, and the plurality of triangular support frames 5 are evenly spaced along the extension direction of the main steel bar axis 11, wherein the triangular support frames 5 include three steel bars 51 distributed in a triangular shape, and the ends of two adjacent steel bars 51 are staggered and welded at the position between the main steel bar axis 11 and the reinforcement steel bar axis 4; at the same time, an end of the steel cage 1 close to the ring sleeve 3 is also sleeved with an end steel bar ring 7 welded to the peripheral side of the plurality of main steel bar axes 11, and the end of the steel bar 12 is welded to the outer wall of the end steel bar ring 7.

[0026] Reference Figure 2 , Figure 4 Both ends of the steel cage 1 are welded with reinforcing ribs 6 embedded in the ring sleeve 3 and with a pitch smaller than the pitch of the steel bar 12, wherein a plurality of limit buckles 31 are integrally provided on the side of the ring sleeve 3 away from the end plate 2, and the limit buckles 31 are L-shaped and are provided for the reinforcing ribs 6 to be embedded, and the plurality of limit buckles 31 are evenly spaced along the circumference of the ring sleeve 3, wherein a plurality of reinforcing convex rings 32 are integrally provided on the outer wall of the ring sleeve 3.

[0027] Principle: By using the reinforcing steel bar axis 4 set on one side of each main steel bar axis 11, the reinforcing steel bar axis 4 can increase the structural strength of the steel cage 1, wherein a plurality of triangular support frames 5 are evenly spaced and distributed in the extension direction of the main steel bar axis 11 in the steel cage 1, and the triangular support frames 5 can further increase the structural strength of the steel cage 1, and at the same time, the ends of two adjacent steel bars 51 are staggered and welded at the position between the main steel bar axis 11 and the reinforcing steel bar axis 4, which is beneficial to the stable welding of the triangular support frames 5 in the steel cage 1 and to improve the structural stability of the triangular support frames 5; at the same time, by using the reinforcing ribs 6 set at both ends of the steel cage 1, and the reinforcing ribs 6 are embedded in the ring sleeve 3 and the pitch is smaller than the pitch of the steel bar 12, at this time, the structural strength of the end of the concrete pipe pile can be improved by the reinforcing ribs 6, so that when the concrete pipe pile is driven downward, the end of the concrete pipe pile that is subjected to greater force can have better structural stability; finally, the overall structural strength of the concrete pipe pile can be improved.

Claims

1. A concrete pipe pile with a reinforced steel cage, comprising a steel cage (1), an end plate (2) located at one end of the steel cage (1), and a ring sleeve (3) located around the end plate (2), characterized in that: The steel cage (1) comprises a plurality of main steel shafts (11) extending in a horizontal direction and distributed in a circumferential manner, steel bars (12) wound and welded on the outer walls of the plurality of main steel shafts (11), a reinforcing steel shaft (4) being arranged on one side of each of the main steel shafts (11), a plurality of triangular support frames (5) being arranged in the steel cage (1) and being evenly spaced along the extension direction of the main steel shafts (11), the triangular support frames (5) comprising three steel bars (51) distributed in a triangular manner, the ends of two adjacent steel bars (51) being staggered and welded at a position between the main steel shaft (11) and the reinforcing steel shaft (4), and reinforcing bars (6) being embedded in a ring sleeve (3) and having a thread pitch smaller than that of the steel bars (12) being arranged at both ends of the steel cage (1).

2. A concrete pipe pile with a reinforced steel cage according to claim 1, characterized in that: A plurality of L-shaped limiting buckles (31) for the reinforcing ribs (6) to be embedded are arranged on one side of the ring sleeve (3) away from the end plate (2).

3. The concrete pipe pile with a reinforced steel cage according to claim 1, characterized in that: An end of the steel bar cage (1) close to the ring sleeve (3) is sleeved with an end steel bar ring (7) welded to the circumference of the ends of a plurality of main steel bar shafts (11).

4. The concrete pipe pile with a reinforced steel cage according to claim 3, characterized in that: The ends of the steel bars (12) are welded to the outer wall of the end steel bar ring (7).

5. The concrete pipe pile with a reinforced steel cage according to claim 1, characterized in that: A plurality of reinforcing convex rings (32) are arranged on the outer wall of the ring sleeve (3).

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