CN115262544B - Screw pile for synchronous forming of concrete reinforcing steel bars and use method - Google Patents
Screw pile for synchronous forming of concrete reinforcing steel bars and use method Download PDFInfo
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- CN115262544B CN115262544B CN202211084402.5A CN202211084402A CN115262544B CN 115262544 B CN115262544 B CN 115262544B CN 202211084402 A CN202211084402 A CN 202211084402A CN 115262544 B CN115262544 B CN 115262544B
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- 239000004567 concrete Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 31
- 230000001360 synchronised effect Effects 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- 238000005553 drilling Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/56—Screw piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a screw pile for synchronously forming concrete steel bars and a use method thereof, which belong to the technical field of screw pile structures, wherein concrete and steel bars are directly formed when screw pile bodies are recovered, and spiral steel bars can still provide transverse and longitudinal fixing force for a concrete column after the concrete is solidified; and the reinforced concrete is formed in sequence, so that the forming efficiency is improved, and the construction period is shortened.
Description
Technical Field
The invention belongs to the technical field of screw pile structures, and particularly relates to a screw pile for synchronously forming concrete reinforcing steel bars and a use method thereof.
Background
In order to eliminate the collapsibility of loess in collapsible loess areas, a series of measures such as a bedding method, a heavy hammer tamping method, a dynamic tamping method, compaction of soil or soil piles, a deep hole tamping and expanding method and the like are generally adopted to carry out foundation treatment, so that the construction procedures are increased, and the construction period and the cost are increased. The screw cast-in-place pile is characterized by that its upper portion is a straight section formed by means of special construction process, and its lower portion is a screw-thread drill bit, and said pile can change the stress direction of pile by means of raising friction force of pile body, and can increase the stress area of pile bottom, and can fully squeeze surrounding soil body so as to reduce said step. The existing construction mode is that the screw pile is drilled, the screw pile is reversely retracted, then concrete is infused into the hole in the retraction process, and a reinforcement cage is inserted into the concrete after the retraction is completed, so that the reinforcement is very difficult to be inserted into the concrete with higher density in the mode; the time for inserting the concrete needs to be immediately arranged after the concrete is poured, if the concrete is solidified, the steel bars cannot be inserted, the insertion of the steel bars can be influenced by the solid in the concrete, the inserted steel bars are inclined, and finally the bottom of the drilled hole cannot be reached; this technique results in a longer construction process, and the insertion of the reinforcing bars is difficult, requiring improvement.
Disclosure of Invention
In view of the above, the present invention aims to provide a screw pile for synchronously forming concrete steel bars and a use method thereof, wherein the screw pile is used for directly forming concrete and steel bars when recovering screw pile bodies, reducing construction flow and solving the problem of difficult steel bar insertion.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention comprises a screw pile body, a conical base, a spiral reinforcing steel bar and a concrete output part, wherein the screw pile body is hollow; the inner side of the conical base is attached to the bottom end of the screw pile body, the spiral steel bars are in a spiral shape, the spiral steel bars are arranged in the screw pile body, a spiral through hole for the spiral steel bars to pass through is formed in the bottom end of the screw pile body, and the spiral steel bars extend out of the screw pile body along the spiral through hole and are fixedly connected with the conical base; the concrete output portion comprises a connector, a middle cylinder and a plurality of output pipes for outputting concrete, wherein the connector, the middle cylinder and the output pipes are sequentially communicated, the connector is communicated with a concrete pump, the connector is fixedly connected to the head end of the screw pile body, the middle cylinder is positioned in the screw pile body, the spiral reinforcing steel bars encircle the outer side of the middle cylinder, a pipe orifice is formed in the bottom end of the screw pile body, and the output pipes extend out of the pipe orifice.
Further, the device also comprises a positioning part, wherein the positioning part comprises a plurality of positioning nails, an electric cylinder and a pressure plate; the electric cylinder is fixed at the end part of the middle cylinder, the output end of the electric cylinder is fixedly connected with the pressure plate, a plurality of pressure nails with the same quantity as the positioning nails are fixedly connected to the pressure plate, the positioning nails sequentially penetrate into the bottom end of the screw pile body and the conical base, the positioning nails uniformly encircle the axis of the screw pile body and are distributed, and the pressure nails correspondingly abut against the tail ends of the positioning nails.
Further, the screw pile further comprises a fixed swivel and a plurality of vertical steel bars, wherein the vertical steel bars are distributed around the axis of the screw pile body, and the vertical steel bars are close to the inner sides of the spiral steel bars; the one end rigid coupling of a plurality of vertical reinforcing bars in decide the swivel, the inboard of toper base is equipped with the ring channel, decide the rotatable card of swivel go into in the ring channel, a plurality of vertical reinforcing bars penetrate from the bottom of screw rod pile body and encircle well section of thick bamboo circumference is surveyed, well section of thick bamboo is equipped with a plurality of direction cards all around, vertical reinforcing bar vertical movement's setting is in on the direction card.
Further, the bottom end opening of the screw pile body is closed through a conical head, and the conical head is fixed at the bottom end of the screw pile body through a screw.
The application method of the screw pile for synchronously forming the concrete reinforcing steel bars is characterized by comprising the following steps of:
s1, assembling a conical base, welding one end of a spiral steel bar on the inner side of the conical base, vertically welding a plurality of vertical steel bars on a fixed rotating ring, clamping the fixed rotating ring into an annular groove, and trying to rotate the fixed rotating ring to ensure that the fixed rotating ring flexibly rotates in the annular groove and cannot slide out;
s2, assembling a screw pile body, penetrating the vertical steel bar from a corresponding hole at the bottom end of the screw pile body, penetrating the head end of the spiral steel bar from a corresponding hole at the bottom end of the screw pile body, rotating the conical base to enable the spiral steel bar and the vertical steel bar to slowly penetrate into the screw pile body, driving a positioning nail out of the conical base, and enabling the positioning nail to be connected with the conical base and the bottom end of the screw pile body simultaneously;
s3, assembling a concrete output part, sequentially extending the output pipe and the middle cylinder into the screw pile body, enabling the pressing nails to be correspondingly pressed at the tail ends of the positioning nails, enabling the vertical reinforcing steel bars to be clamped into the guide clamps, installing and connecting the connector with the screw pile body, connecting the connector with the output end of the drilling machine, and finally connecting the concrete pump with the input port of the connector;
s4, drilling, namely vertically drilling down the screw pile from the ground to a specified position;
s5, synchronous forming of concrete reinforcing steel bars, acting by an electric cylinder, pushing out the positioning nails downwards, enabling one section of the positioning nails to be inserted into soil, enabling the other end of the positioning nails to be reserved on the conical base, rotating the screw pile, moving upwards, outputting concrete, and enabling the spiral reinforcing steel bars and the vertical reinforcing steel bars to be reserved in the concrete synchronously.
The invention has the beneficial effects that:
1. according to the invention, concrete and the steel bars are directly molded when the screw pile body is recycled, the spiral steel bars can still provide transverse and longitudinal fixing force for the concrete column after the concrete is solidified, the device does not need to insert the steel bars after the concrete is poured, and the problems that the steel bars are inclined, the steel bars are not bottom and the like when the steel bars are inserted into a deep hole are avoided; and the reinforced concrete is formed in sequence, so that the forming efficiency is improved, and the construction period is shortened.
2. According to the invention, more vertical reinforcement inserting structures and schemes are added, so that the solidified concrete column structure is firmer, bending of the concrete column is avoided, the whole reinforcement structure is more stable, no additional reinforcement insertion is needed, the reinforcement cage structure is naturally formed after the reinforcement is reserved in the concrete, and the stability of the whole concrete column is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is an overall schematic view of a screw pile according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the connection of internal reinforcing steel bars according to an embodiment of the present invention;
FIG. 3 is a detailed schematic view of a screw pile according to an embodiment of the present invention;
FIG. 4 is a schematic view of a concrete outlet according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
FIG. 6 is a cross-sectional view of an embodiment of the invention at a conical base;
fig. 7 is a schematic diagram showing connection between a vertical bar and a stationary swivel according to an embodiment of the present invention;
the figures are marked as follows: 1. a screw pile body; 11. a spiral through hole; 12. a conical head; 2. a conical base; 21. an annular groove; 3. spiral reinforcing steel bars; 4. a concrete output section; 41. a connector; 42. a middle cylinder; 421. a guide card; 43. an output pipe; 5. a positioning part; 51. positioning nails; 52. an electric cylinder; 53. a pressure plate; 531. pressing nails; 61. a stationary swivel; 62. and (5) vertical steel bars.
Detailed Description
As shown in fig. 1 to 7, the invention provides a screw pile for synchronously forming concrete steel bars, which comprises a screw pile body 1, a conical base 2, a spiral steel bar 3 and a concrete output part 4, wherein the screw pile body 1 is in a threaded column shape, the bottom end is conical, the inside of the screw pile body 1 is hollow, the conical base 2 is in a conical shape, the inner side of the conical base 2 is matched with the bottom end of the screw pile body 1 in shape, when the whole screw pile is assembled, the inner side of the conical base 2 is completely attached to the bottom end of the screw pile body 1, as shown in fig. 5, the spiral steel bar 3 is in a spiral shape, and when the assembly is completed, the spiral steel bar 3 is arranged in the screw pile body 1, and a spiral through hole 11 for the spiral steel bar 3 to pass through is formed at the bottom end of the screw pile body 1, and the spiral steel bar 3 extends out of the screw pile body 1 along the spiral through hole 11 and is fixedly connected with the conical base 2; as shown in fig. 4, the concrete output portion 4 includes a connector 41, a middle cylinder 42, and three output pipes 43 for outputting concrete, which are sequentially connected, wherein the connector 41, the middle cylinder 42, and the output pipes 43 are connected through pipes for outputting concrete; the connector 41 is used for being communicated with a concrete pump, the connector 41 is fixedly connected to the head end of the screw pile body 1, the middle cylinder 42 is located inside the screw pile body 1, the spiral reinforcing steel bars 3 encircle the outer side of the middle cylinder 42, a pipe orifice is formed in the bottom end of the screw pile body 1, the output pipe 43 extends out of the pipe orifice, the concrete pump inputs the concrete into the connector 41, the concrete sequentially passes through the connector 41, the middle cylinder 42 and the output pipe 43, and finally the concrete is output from the bottom end of the screw pile body 1.
The screw pile with the structure is arranged on a drilling machine, the conical base 2 is attached to the bottom end of the screw pile body 1 and faces downwards, when the screw pile works, the conical base 2 is propped against the ground, and the whole screw pile can be drilled into the ground by rotating the screw pile body 1; when the screw pile body 1 is completely recovered, the spiral steel bar 3 is also reserved in the hole, the screw pile directly forms the concrete and the steel bar when the screw pile body 1 is recovered, the spiral steel bar 3 can still provide transverse and longitudinal fixing force for the concrete column after the concrete is solidified, the device does not need to insert the steel bar after concrete pouring, and the problems of steel bar deflection, steel bar non-bottom and the like are avoided when the steel bar is inserted into a deep hole; and the reinforced concrete is formed in sequence, so that the forming efficiency is improved, and the construction period is shortened.
In a further aspect, referring to fig. 4 and 5, the positioning device further comprises a positioning part 5, wherein the positioning part 5 comprises three positioning nails 51, an electric cylinder 52 and a pressure plate 53; the electric cylinder 52 is fixed in the center of the end part of the middle cylinder 42, the output end of the electric cylinder 52 is fixedly connected with the pressure plate 53, if three pressure nails 531 with the same quantity as the positioning nails 51 are fixedly connected to the pressure plate 53, the pressure plate 53 is hollowed out, the output pipe 43 is convenient to penetrate through, the positioning nails 51 penetrate into the bottom end of the screw pile body 1 and the conical base 2 in sequence, the positioning nails 51, the screw pile body 1 and the conical base 2 are in interference connection, the positioning nails 51 can be temporarily connected with the screw pile body 1 and the conical base 2, the three positioning nails 51 evenly encircle the axis of the screw pile body 1, and the pressure nails 531 correspondingly abut against the tail ends of the positioning nails 51.
The device is used for fixing the conical base 2 at the bottom of a hole after drilling, when drilling, the positioning nails 51 are temporarily connected with the conical base 2 and the screw pile body 1, so that the gravity action of the conical base 2 is avoided on the spiral steel bar 3, the spiral steel bar 3 is stretched and bent, when the screw pile body 1 is recovered, the electric cylinders 52 push the pressure plates 53, the pressing nails 531 are pressed downwards, the positioning nails 51 leave the screw pile body 1 and are inserted into the bottom of the hole, at the moment, the positioning nails 51 are connected with the conical base 2 and the bottom of the hole, in the recovery process of the screw pile body 1, the screw pile body 1 is prevented from carrying the conical base 2, and the conical base 2 is prevented from rotating at the bottom of the hole.
In a further scheme, as shown in fig. 7, the screw pile further comprises a fixed swivel 61 and a plurality of vertical steel bars 62, wherein one ends of the vertical steel bars 62 are fixedly connected to the fixed swivel 61, referring to fig. 5, 6 and 2, annular grooves 21 are formed in the inner side of the conical base 2, the fixed swivel 61 is rotatably clamped into the annular grooves 21, when the screw pile is assembled, the vertical steel bars 62 are distributed around the axis of the screw pile 1, the vertical steel bars 62 are close to the inner side of the screw steel bars 3, and the vertical steel bars 62 penetrate from the bottom end of the screw pile 1 and are circumferentially measured around the middle cylinder 42; a plurality of guide cards 421 are arranged around the middle cylinder 42, and the vertical steel bars 62 are vertically and movably arranged on the guide cards 421.
The structure is used for adding more reinforcing steel bars to the steel bar structure, and the vertical steel bars can enhance the bending resistance and the breaking resistance of the whole concrete column; the fixed swivel 61 connects vertical reinforcing bar 62, fixed swivel 61 is in ring channel 21 internal rotation, when the screw rod stake is retrieved, the screw rod stake drives a plurality of vertical reinforcing bars 62 and rotates, fixed swivel 61 follows vertical reinforcing bar 62 and rotates, fixed swivel 61 is restricted vertical motion by ring channel 21, along with the upward movement of screw rod stake, vertical reinforcing bar 62 stretches out in the follow screw rod pile body 1 and remains in the drilling, this structure makes the concrete column structure after solidifying stronger, avoid buckling of concrete column, this device enables whole steel bar structure more stable, and need not additionally carry out the insertion of reinforcing bar, the reinforcing bar is in the back of depositing in the concrete, form the steel reinforcement cage structure naturally, promote the steadiness of whole concrete column.
In a further scheme, as shown in fig. 3 and 6, the bottom end of the screw pile body 1 is opened, the opening is closed by a conical head 12, and the conical head 12 is fixed at the bottom end of the screw pile body 1 by a screw.
This structure is used for making things convenient for maintenance and the clearance of whole screw pile body 1, when clearing up the earth in the screw pile body 1 to and when carrying out the maintenance to locating part 5 and output tube 43 in the screw pile body 1, all can directly open conical head 12, reduce the maintenance degree of difficulty of screw pile.
The invention also discloses a using method of the screw pile for synchronously forming the concrete reinforcing steel bars, which comprises the following steps:
s1, assembling a conical base 2, welding one end of a spiral reinforcing steel bar 3 on the inner side of the conical base 2, vertically welding a plurality of vertical reinforcing steel bars 62 on a fixed rotating ring 61, clamping the fixed rotating ring 61 into an annular groove 21, and trying to rotate the fixed rotating ring 61 to ensure that the fixed rotating ring 61 flexibly rotates in the annular groove 21 and cannot slide out;
s2, assembling the screw pile body 1, penetrating the vertical steel bar 62 from a corresponding hole at the bottom end of the screw pile body 1, penetrating the head end of the spiral steel bar 3 from a corresponding hole at the bottom end of the screw pile body 1, rotating the conical base 2 to enable the spiral steel bar 3 and the vertical steel bar 62 to slowly penetrate into the screw pile body 1, driving the positioning nail 51 from the outside of the conical base 2, and enabling the positioning nail 51 to be simultaneously connected with the conical base 2 and the bottom end of the screw pile body 1;
s3, assembling a concrete output part 4, sequentially extending the output pipe 43 and the middle cylinder 42 into the screw pile body 1, correspondingly pressing the pressing nails 531 at the tail ends of the positioning nails 51, clamping the vertical reinforcing steel bars 62 into the guide cards 421, installing and connecting the connector 41 with the screw pile body 1, connecting the connector 41 with the output end of a drilling machine, and finally connecting a concrete pump with the input port of the connector 41;
s4, drilling, namely vertically drilling down the screw pile from the ground to a specified position;
s5, synchronously forming the concrete reinforcing steel bars, applying work by the electric cylinder 52, pushing the positioning nails 51 downwards, enabling one section of the positioning nails 51 to be inserted into soil, enabling the other end of the positioning nails to be remained on the conical base 2, rotating the screw pile, moving upwards, outputting concrete, and enabling the spiral reinforcing steel bars 3 and the vertical reinforcing steel bars 62 to be remained in the concrete synchronously.
The specific use method is published through the process, so that the device can be used correctly and has the beneficial effects, the efficiency of whole drilling and concrete forming is improved, and the construction period of the whole project is reduced.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides a synchronous fashioned screw pile of concrete reinforcing bar, includes screw pile body (1), screw pile body (1) bottom is conical, its characterized in that: the pile body comprises a screw pile body (1), a conical base (2), a spiral reinforcing steel bar (3) and a concrete output part (4); the inner side of the conical base (2) is attached to the bottom end of the screw pile body (1), the spiral steel bars (3) are spiral, the spiral steel bars (3) are arranged inside the screw pile body (1), a spiral through hole (11) for the spiral steel bars (3) to pass through is formed in the bottom end of the screw pile body (1), and the spiral steel bars (3) extend out of the screw pile body (1) along the spiral through hole (11) and are fixedly connected with the conical base (2); the concrete output part (4) comprises a connector (41), a middle cylinder (42) and a plurality of output pipes (43) for outputting concrete, wherein the connector (41) is communicated with a concrete pump, the connector (41) is fixedly connected to the head end of the screw pile body (1), the middle cylinder (42) is positioned in the screw pile body (1), the spiral reinforcing steel bars (3) encircle the outer side of the middle cylinder (42), a pipe orifice is formed in the bottom end of the screw pile body (1), and the output pipes (43) extend out from the pipe orifice;
the positioning device also comprises a positioning part (5), wherein the positioning part (5) comprises a plurality of positioning nails (51), an electric cylinder (52) and a pressure plate (53); the electric cylinder (52) is fixed at the end part of the middle cylinder (42), the output end of the electric cylinder (52) is fixedly connected with the pressure plate (53), a plurality of pressure nails (531) which are the same as the positioning nails (51) in number are fixedly connected to the pressure plate (53), the positioning nails (51) sequentially penetrate into the bottom end of the screw pile body (1) and the conical base (2), the positioning nails (51) evenly encircle the axis of the screw pile body (1) and are distributed, and the pressure nails (531) correspondingly abut against the tail ends of the positioning nails (51);
the screw pile body comprises a screw pile body (1) and is characterized by further comprising a fixed rotating ring (61) and a plurality of vertical steel bars (62), wherein the vertical steel bars are distributed around the axis of the screw pile body (1), and the vertical steel bars (62) are close to the inner side of the screw steel bars (3); a plurality of vertical reinforcing bars (62) one end rigid coupling in decide swivel (61), the inboard of toper base (2) is equipped with ring channel (21), decide swivel (61) rotatable card go into in ring channel (21), a plurality of vertical reinforcing bars (62) follow the bottom of screw rod pile body (1) penetrates and encircle well section of thick bamboo (42) survey all around, well section of thick bamboo (42) are equipped with a plurality of direction cards (421) all around, vertical reinforcing bars (62) vertical movable setting is in on direction card (421).
2. The screw pile for synchronous forming of concrete reinforcing steel bars according to claim 1, wherein: the bottom end opening of the screw pile body (1) is closed by a conical head (12), and the conical head (12) is fixed at the bottom end of the screw pile body (1) by a screw.
3. The method for using the screw pile for synchronously forming concrete reinforcing steel bars according to claim 2, comprising the following steps:
s1, assembling a conical base (2), welding one end of a spiral reinforcing steel bar (3) on the inner side of the conical base (2), vertically welding a plurality of vertical reinforcing steel bars (62) on a fixed rotating ring (61), clamping the fixed rotating ring (61) into the annular groove (21), and trying to rotate the fixed rotating ring (61) to ensure that the fixed rotating ring (61) flexibly rotates in the annular groove (21) and cannot slide out;
s2, assembling a screw pile body (1), penetrating the vertical steel bar (62) from a corresponding hole at the bottom end of the screw pile body (1), penetrating the head end of the spiral steel bar (3) from a corresponding hole at the bottom end of the screw pile body (1), rotating the conical base (2), enabling the spiral steel bar (3) and the vertical steel bar (62) to slowly penetrate into the screw pile body (1), driving the positioning nail (51) from the outside of the conical base (2), and enabling the positioning nail (51) to be connected with the conical base (2) and the bottom end of the screw pile body (1) simultaneously;
s3, assembling a concrete output part (4), sequentially extending the output pipe (43) and the middle cylinder (42) into the screw pile body (1), correspondingly pressing the pressing nails (531) at the tail ends of the positioning nails (51), clamping the vertical reinforcing steel bars (62) into the guide cards (421), connecting the connector (41) with the screw pile body (1), connecting the connector (41) with the output end of a drilling machine, and finally connecting a concrete pump with the input port of the connector (41);
s4, drilling, namely vertically drilling down the screw pile from the ground to a specified position;
s5, concrete reinforcing steel bar synchronous forming, wherein an electric cylinder (52) applies work to push down a positioning nail (51), so that one section of the positioning nail (51) is inserted into soil, the other end of the positioning nail is reserved on a conical base (2), a screw pile is rotated and moves upwards, concrete is output, and a spiral reinforcing steel bar (3) and a vertical reinforcing steel bar (62) are synchronously reserved in the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084402.5A CN115262544B (en) | 2022-09-06 | 2022-09-06 | Screw pile for synchronous forming of concrete reinforcing steel bars and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084402.5A CN115262544B (en) | 2022-09-06 | 2022-09-06 | Screw pile for synchronous forming of concrete reinforcing steel bars and use method |
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| Publication Number | Publication Date |
|---|---|
| CN115262544A CN115262544A (en) | 2022-11-01 |
| CN115262544B true CN115262544B (en) | 2024-03-19 |
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| CN202211084402.5A Active CN115262544B (en) | 2022-09-06 | 2022-09-06 | Screw pile for synchronous forming of concrete reinforcing steel bars and use method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100786360B1 (en) * | 2007-03-15 | 2007-12-17 | (주) 포유엔지니어링 | Concrete pile using in complex pile |
| KR101777760B1 (en) * | 2016-11-03 | 2017-09-26 | 한국도로공사 | PHC Pile comprising Sprial Hoop |
| CN107604906A (en) * | 2017-09-29 | 2018-01-19 | 张玉榕 | The stake of assembled steel pipe regeneration concrete and the assembling structure of reinforced beam |
| CN108824431A (en) * | 2018-07-17 | 2018-11-16 | 中冶建工集团有限公司 | Superfilled pile head handles construction method |
| CN212200393U (en) * | 2020-03-13 | 2020-12-22 | 广东三和管桩股份有限公司 | Hollow concrete pile |
| CN214940048U (en) * | 2021-02-05 | 2021-11-30 | 青岛杰地建筑设计有限公司 | High bearing capacity precast pile |
-
2022
- 2022-09-06 CN CN202211084402.5A patent/CN115262544B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100786360B1 (en) * | 2007-03-15 | 2007-12-17 | (주) 포유엔지니어링 | Concrete pile using in complex pile |
| KR101777760B1 (en) * | 2016-11-03 | 2017-09-26 | 한국도로공사 | PHC Pile comprising Sprial Hoop |
| CN107604906A (en) * | 2017-09-29 | 2018-01-19 | 张玉榕 | The stake of assembled steel pipe regeneration concrete and the assembling structure of reinforced beam |
| CN108824431A (en) * | 2018-07-17 | 2018-11-16 | 中冶建工集团有限公司 | Superfilled pile head handles construction method |
| CN212200393U (en) * | 2020-03-13 | 2020-12-22 | 广东三和管桩股份有限公司 | Hollow concrete pile |
| CN214940048U (en) * | 2021-02-05 | 2021-11-30 | 青岛杰地建筑设计有限公司 | High bearing capacity precast pile |
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| CN115262544A (en) | 2022-11-01 |
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