CN108301405A - The connection structure of assembled steel pipe concrete-pile and reinforced beam - Google Patents

The connection structure of assembled steel pipe concrete-pile and reinforced beam Download PDF

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Publication number
CN108301405A
CN108301405A CN201710902848.7A CN201710902848A CN108301405A CN 108301405 A CN108301405 A CN 108301405A CN 201710902848 A CN201710902848 A CN 201710902848A CN 108301405 A CN108301405 A CN 108301405A
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CN
China
Prior art keywords
steel pipe
screw thread
unit
concrete
fixed ring
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Granted
Application number
CN201710902848.7A
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Chinese (zh)
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CN108301405B (en
Inventor
张玉榕
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Henan Zhonghe Green Building Technology Co., Ltd
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张玉榕
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Publication of CN108301405A publication Critical patent/CN108301405A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/52Piles composed of separable parts, e.g. telescopic tubes Piles composed of segments
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04Homopolymers or copolymers of esters
    • C09D133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08Homopolymers or copolymers of acrylic acid esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/56Screw piles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a kind of connection structures of assembled steel pipe concrete-pile and reinforced beam, including steel tube concrete pile, reinforced beam, beam support element and pre-buried shaped steel, the steel tube concrete pile includes bottom steel pipe, at least a root unit steel pipe, load plate and drill bit, the bottom steel pipe and the respective top exterior walls of unit steel pipe are equipped with external screw thread, and respective bottom interior wall is equipped with internal thread;The bottom steel pipe and the respective outer wall of the unit steel pipe and the position between the external screw thread and the internal thread are welded with the screw thread blade of spiral surrounding;The beam support element is connected by thread groove and the external screw thread of the unit steel pipe top of the top;The pre-buried shaped steel is embedded with inside the reinforced beam;It is provided with the holding tank for accommodating the reinforced beam at the top of the beam support element.Can concrete-pile merogenesis rotatably easily be squeezed into ground successively, while simple and be firmly attached reinforced beam.

Description

The connection structure of assembled steel pipe concrete-pile and reinforced beam
Technical field
The present invention relates to the connection structures of steel tube concrete pile and beams of concrete.
Background technology
Steel tube concrete pile is that a kind of have the characteristics that compared with high-bearing capacity, compared with high-ductility, toughness, combination knot easy for construction Structure.Steel tube concrete pile is usually first to pour into concrete in steel pipe, then will again be returned after whole hammer driven ground or borehole It bankets, it is time-consuming and laborious and be susceptible to not closely knit enough the situation of backfill, especially when piling glances off, adjustment or take out It is more troublesome.Reinforced beam is the beam made of Reinforced Concrete Materials.Both joint generally uses reinforced steel bar ring Wound connection needs installation form, reinforcing bar binding, connection complicated.How simply and effectively to realize concrete-pile piling and with The connection of reinforced beam is those skilled in the art's problem to be solved.
Invention content
The purpose of the present invention is to provide a kind of connection structure of assembled steel pipe concrete-pile and reinforced beam, energy It is enough that concrete-pile merogenesis is rotatably easily squeezed into ground successively while simple and be firmly attached reinforced beam.
Realizing the technical solution of above-mentioned purpose is:
A kind of connection structure of assembled steel pipe concrete-pile and reinforced beam, including steel tube concrete pile, reinforcing bar Beams of concrete, beam support element and pre-buried shaped steel, the steel tube concrete pile include bottom steel pipe, an at least root unit steel pipe, add Support plate and drill bit, wherein
The bottom steel pipe and the respective top exterior walls of unit steel pipe are equipped with external screw thread, and respective bottom interior wall is equipped with Internal thread;
The bottom steel pipe and the respective outer wall of the unit steel pipe and between the external screw thread and the internal thread Position be welded with the screw thread blade of spiral surrounding;
The bottom steel pipe and the respective top exterior walls of the unit steel pipe and position below the external screw thread is solid Surely it is welded with the first fixed ring;
It is solid that the respective bottom outer wall of the unit steel pipe and the position above the internal thread are fixedly welded with second Determine ring;
The top of the unit steel pipe can be threadedly coupled by external screw thread with the load plate, at the same the load plate with First fixed ring of the unit steel pipe top is removably secured connection;
Bottom steel pipe top end and a unit steel pipe bottom end are threadedly coupled by internal thread and external screw thread, The second fixed ring of the first fixed ring and unit steel pipe bottom described in this of the bottom steel pipe top is removably secured simultaneously Connection;
Each unit steel pipe connects up and down successively, is carried out by internal thread and external screw thread between two unit steel pipes It is threadedly coupled, while the first fixed ring of two unit steel pipe joints and the second fixed ring are removably secured company It connects;
The bottom steel pipe bottom outer wall and the through-hole that multipair level is provided with positioned at the position of the internal thread;
The bottom end of the bottom steel pipe is threadedly coupled the drill bit by internal thread;
The drill bit side wall is provided with the through hole of multiple levels, after the drill bit is connected to position with the bottom steel pipe, often A a pair of through-hole of through hole connection;
Run through a fastening bolt, the fastening spiral shell between each through hole and a pair through-hole communicated therewith Bolt both ends are threadedly coupled fastening nut;
The bottom steel pipe and the respective inside center of unit steel pipe are respectively and fixedly provided with interior steel pipe;
The interior steel pipe side wall is welded to connect the bottom steel pipe or the unit steel pipe by least two fixation ring seats Inner wall;
The interior steel pipe side wall is provided with multipair reinforcing bar jack and multiple concrete holes, and each pair of reinforcing bar jack passes through a steel Muscle, the both ends of the reinforcing bar are welded in the inner wall of the bottom steel pipe or the unit steel pipe;
The interior steel pipe bottom of each unit steel pipe is horizontally extending bulge loop, which is buckled in lower section to cover The top of interior steel pipe;
Interior steel pipe bottom end and the bit face of the bottom steel pipe touch;
The concrete of field fabrication can be poured into from the unit steel pipe top of the top;
Beam support element bottom is provided with the thread groove of annular, passes through the unit steel pipe top of the thread groove and the top The external screw thread in portion connects;The center of beam support element bottom extends downwardly the fastening column for being useful for being inserted into concrete;
It is embedded with the pre-buried shaped steel inside the reinforced beam, and the pre-buried shaped steel is from the armored concrete Beam bottom portion is leant out;
It is provided with the holding tank for accommodating the reinforced beam at the top of the beam support element, which, which is provided with, holds institute State the insertion groove that pre-buried shaped steel is inserted into.
According to above-mentioned technical proposal, it is inserted by the threaded connection and fastening column of steel tube concrete pile and beam support element mixed In solidifying soil, enhance fastening strength, while by pre-buried shaped steel, realizing simple, the effective engagement of concrete column and beams of concrete. In addition, in such a way that each unit steel tube screw thread connects, whole steel pipe merogenesis can be rotated into ground successively, it can basis Actual conditions increase and decrease the quantity of unit steel pipe, convenience in transport and construction.Resistance can be effectively reduced using screw thread blade, while effectively Whole straightness is kept, certain stabilization, guiding role are played.Meanwhile by fixed ring be detachably connected in the way of, reinforce It is effectively limited while fastening, lower unit steel pipe is prevented to disconnect when screwing out steel pipe, because being threadedly coupled direction and entirety Direction of rotation when screwing in ground is consistent.By the design of load plate and drill bit, ensure rotation piling more accurately and conveniently.It bores In the way of head is using through hole and fastening bolt, simply and Coupled motion can be effectively kept.Pass through interior steel pipe and its connection side The design of formula can reinforce the tautness between outer and inner tube.Pass through the design of concrete hole and reinforcing bar jack so that interior steel pipe Inside and outside concrete is connected as entirety, reinforces intensity.It is interlocked by upper and lower between interior steel pipe so that each interior steel pipe is connected to form It is whole, it prevents from shaking.
Preferably, first fixed ring is equally spacedly opened along ring heart there are three arcuate socket, is opened on each arcuate socket There is limit nut bore, which is divided into precession section and limit section by the arcuate socket;
The bottom surface of second fixed ring equally spacedly set along ring heart there are three with the one-to-one arc of the arcuate socket Block, the length of each arc block are equal to the length of the limit section of the arcuate socket;
When two unit steel tube screw thread connections or the unit steel pipe are connected with the bottom steel tube screw thread, connect The arc block at place is rotated down and sequentially enters precession section and the limit of the corresponding arcuate socket with second fixed ring Section, the arc block screw in stop nut after agreeing with the limit section of the corresponding arcuate socket in the stop nut hole.
According to above-mentioned technical proposal, pass through simple structure design so that upper to have between lower unit steel pipe or bottom steel pipe Effect connection cooperates with spacing is threadedly coupled, when arc block is agreed with the limit section of corresponding arcuate socket, upper lower unit steel pipe Or be threadedly coupled between the steel pipe of bottom just in place, consequently facilitating in place whether observation screw thread rotation.In addition, stop nut hole is matched Stop nut is closed, is limited when steel pipe reversely rotates, prevents from falling off between lower unit steel pipe or bottom steel pipe.
Preferably, the cross-shaped through hole for carrying drilling rod is provided in load plate;
Load plate bottom surface edge is extended with annular wall, and the interior spiral shell agreed with the external screw thread is equipped in the annular wall Line;
The annular wall bottom circumferentially equally spacedly sets the institute there are three with first fixed ring of joint The one-to-one arc block of arcuate socket is stated, the length of each arc block is equal to the length of the limit section of the arcuate socket;
When the load plate is connect with the unit steel tube screw thread, the arc block be rotated down with the load plate and according to The secondary precession section for entering the corresponding arcuate socket and limit section, the arc block and the limit section of the corresponding arcuate socket agree with Afterwards stop nut is screwed in the stop nut hole.
Preferably, the drill bit includes cylindrical drill ontology,
The upper portion side wall of the drill body is equipped with the external screw thread mutually agreed with the internal thread of the bottom steel pipe, and Upper portion side wall is provided with and the multipair through-hole of the bottom steel pipe multiple through holes correspondingly;
The lower sides of the drill body are along the circumferential direction equally spacedly equipped with multiple vertical stabilizers;
The bottom centre of the drill body is equipped with the apex point made of cemented carbide material, around the apex point annular array Ground is set there are four wing is cut, and each wing that cuts is equipped with multiple cutting tooths;
The bottom edge of the drill body is equally spacedly equipped with multiple cutting tooths;
The apex point includes locating tip, four boundary edges and four assisted machining swords;
The locating tip is located at center, and is higher than the cutting wing;
Four boundary edges extend to the apex point bottom edge from the locating tip, and around described locating tip etc. Spacing is distributed;
The interface of indent is formed between boundary edge described in each adjacent two, the interface centre position of the indent is fixed with auxiliary Cutting edge.
According to above-mentioned technical proposal, vertical stability is increased by the design of stabilizer, when rotation can effectively be oriented to.Apex point Hard soil can be effectively directed to using cemented carbide material.The cutting wing and cutting tooth of annular array arrangement make drill bit head protect Hold loop configuration, when rotation is held round track, improves cutting stability and driving speed.Locating tip plays the work of the centre of location With, while coordinating the interface of indent, it highlights at a distance from locating tip, reinforces positioning and guiding role.
Preferably, the upper surface of the load plate opens up the first cross groove along the edge of the cross-shaped through hole;
The second cross that the top center of the drill body is provided with the size as the cross-shaped through hole is recessed Slot;
The top of drilling rod is fixed with the first cross convex block agreed with first cross groove, and the bottom end of drilling rod is solid Surely there is the second cross convex block agreed with second cross groove;
The load plate is equipped with the spiral cover for holding and being passed through at the top of drilling rod.
It according to above-mentioned technical proposal, is rotated together by upper lower protruding block, improves the harmony up and down of load plate and drill bit, make Must drive piles stabilization.By the spiral cover directly limited to upper protruding block, lower protruding block is limited indirectly, prevents drilling rod play up and down.
Preferably, by top bar and with the unit bars of the quantity such as the unit steel pipe, grafting forms drilling rod successively up and down;
The second cross convex block is fixed in unit bar bottom end described in the lowermost;
The first cross convex block is fixed on the top of the top bar.
Efficiency can be effectively increased, and reduce by the unit bar matching unit steel pipe of merogenesis according to above-mentioned technical proposal Drilling rod quantity is carried, cost is reduced.
Preferably, the half of the radius of the screw thread blade, the radius of first fixed ring and second fixed ring Diameter is equal;
Corresponding first fixed ring of top screw thread linking of the screw thread blade, the screw thread leaf of the unit steel pipe Corresponding second fixed ring of bottom end screw thread linking of piece;
For the screw thread blade edge along serrated cutting edge is provided with, the serrated cutting edge is flat with the screw thread residing for the screw thread blade 30 degree are tilted down subject to face.
According to above-mentioned technical proposal, pass through the radius by the radial design of screw thread blade for fixed ring, the head of screw thread blade Endpiece connects fixed ring, improving stability.30 degree of serrated cutting edge is tilted down by design, excavation speed is promoted, to hard Matter soil layer has certain effect.
Preferably, the outer wall surface of the bottom steel pipe and the unit steel pipe is coated with rust-proof coating, the rust-proof coating Composition and mass fraction be expressed as:90 parts of acrylate and styrol copolymer, 2 parts of chlorinated paraffin, phosphorous triphen 2 parts of ester, 1 part of hindered amine light stabilizer, 45 parts of butyl acetate, methyl methacrylate and butyl methacrylate copolymer 25 Part.
According to above-mentioned technical proposal, the antirust and anti-corrosion capability of outer wall of steel pipe can be effectively improved.
Preferably, the unit steel pipe side wall of the top is provided with multiple gas vents and overfolw hole.
According to above-mentioned technical proposal, the gas vent opened up by the unit steel pipe side wall of the top can effectively improve coagulation The compactness of soil tentatively judges compactness by the spilling degree of mortar in overfolw hole.
Description of the drawings
Fig. 1 is the structure chart of the assembled steel pipe concrete-pile of the present invention and the connection structure of reinforced beam;
Fig. 2 is the structure chart of steel tube concrete pile in the present invention;
Fig. 3 is the structure chart of interior steel pipe in the present invention;
Fig. 4 is the vertical view of the first fixed ring in the present invention;
Fig. 5 is the upward view of the second fixed ring in the present invention;
Fig. 6 is the vertical view of load plate in the present invention;
Fig. 7 is the connection figure of drill bit and bottom steel pipe in the present invention;
Fig. 8 is the structure chart of drill bit in the present invention;
Fig. 9 is drill bit upward view in the present invention;
Figure 10 is the structure chart of drilling rod in the present invention;
Figure 11 is the front view of central sill support element of the present invention;
Figure 12 is the upward view of central sill support element of the present invention.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings.
It please refers to Fig.1 to Figure 12, the connection structure of assembled steel pipe concrete-pile and reinforced beam of the invention, wraps Include steel tube concrete pile, reinforced beam 10, beam support element 11 and pre-buried shaped steel (not shown), the steel tube concrete pile Including bottom steel pipe 1, at least a root unit steel pipe 2, load plate 3 and drill bit 4.
Bottom steel pipe 1 and 2 respective top exterior walls of unit steel pipe are equipped with external screw thread, and respective bottom interior wall is equipped with interior spiral shell Line.
Bottom steel pipe 1 and 2 respective outer wall of unit steel pipe and the position between external screw thread and internal thread is welded with spiral shell Revolve circular screw thread blade 5.Resistance can be effectively reduced using screw thread blade 5, while effectively keeping whole straightness, plays one Fixed stabilization, guiding role.
Bottom steel pipe 1 and 2 respective top exterior walls of unit steel pipe and the position below the external screw thread are fixedly welded with the One fixed ring 6.2 respective bottom outer wall of the unit steel pipe and position above the internal thread is fixedly welded with the second fixed ring 7.
The top of unit steel pipe 2 can be threadedly coupled by external screw thread with load plate 3, while load plate 3 and unit steel pipe 2 First fixed ring 6 at top is removably secured connection.1 top of bottom steel pipe and 2 bottom end of unit steel pipe pass through internal thread It is threadedly coupled with external screw thread, while first fixed ring 6 at 1 top of bottom steel pipe is consolidated with the second of 2 bottom of unit steel pipe Determine ring 7 and is removably secured connection.Each unit steel pipe 2 connects up and down successively, by internal thread and outside between two unit steel pipes 2 Screw thread is threadedly coupled, while the first fixed ring 6 of two 2 joints of unit steel pipe and the second fixed ring 7 are removably It is fixedly connected.By fixed ring be detachably connected in the way of, reinforce fastening while effectively limited, back-out steel pipe when prevent Upper lower unit steel pipe 2 disconnects, because it is consistent with direction of rotation when whole screw-in ground to be threadedly coupled direction.
1 bottom outer wall of bottom steel pipe and the through-hole that multipair level is provided with positioned at the position of internal thread.The bottom end of bottom steel pipe 1 It is threadedly coupled drill bit 4 by internal thread.4 side wall of drill bit is provided with the through hole of multiple levels, and drill bit 4 is connected to bottom steel pipe 1 Behind position, each a pair of of through-hole of through hole connection.Through a fastening between each through hole and a pair of of the through-hole communicated therewith Bolt 41,41 both ends of fastening bolt are threadedly coupled fastening nut 42.Drill bit 4 is in the way of through hole and fastening bolt, letter Dan Bingneng effectively keeps Coupled motion.
11 bottom of beam support element is provided with the thread groove 111 of annular, passes through the unit steel pipe 2 of the thread groove 111 and the top The external screw thread at top connects;The center of 11 bottom of beam support element extends downwardly the fastening column 112 for being useful for being inserted into concrete.Steel Pre-buried shaped steel is embedded with inside Concrete Beam Reinforced 10, and the pre-buried shaped steel is leant out from 10 bottom of reinforced beam;Beam supports 11 top of part is provided with the holding tank 113 for accommodating reinforced beam 10, which, which is provided with, holds what pre-buried shaped steel was inserted into Insertion groove.It is inserted into concrete by the threaded connection and fastening column of steel tube concrete pile and beam support element, enhancing fastening is strong Degree, while by pre-buried shaped steel, realizing simple, the effective engagement of concrete column and beams of concrete.
First, when piling, first drill bit 4 and bottom steel pipe 1 are connected and fixed, then load plate 3 and bottom steel pipe 1 are connected admittedly It is fixed, then the rotation of bottom steel pipe 1 is driven underground, is checked whether in place, if not in place, reversely rotate and takes out.If in place, then Load plate 3 is removed, a unit steel pipe 2 is connected and fixed bottom steel pipe 1, which is fixedly connected with load plate 3, The unit steel pipe 2 is driven underground together with the rotation of bottom steel pipe 1, is checked whether in place.Then successively by remaining unit steel Pipe 2 is connected and is rotated and is driven underground, finally from 2 top penetration concrete of the unit steel pipe of top.So as to by overall steel Pipe merogenesis rotates into ground successively, can increase and decrease the quantity of unit steel pipe 2, convenience in transport and construction according to actual conditions.It waits for Piling terminates, and load plate 3 is dismantled, then 11 bottom of beam support element is fastened on the unit steel pipe 2 of top, then installs reinforcing bar Beams of concrete 10, it is simple, quick, solid.
Referring to Fig. 3, bottom steel pipe 1 and 2 respective inside center of unit steel pipe are respectively and fixedly provided with interior steel pipe 8.8 side of interior steel pipe Wall is welded to connect the inner wall of bottom steel pipe 1 or unit steel pipe 2 by least two fixation ring seats 81.8 side wall of interior steel pipe is provided with more To reinforcing bar jack and multiple concrete holes 82, each pair of reinforcing bar jack passes through a reinforcing bar 83, and the both ends of the reinforcing bar are welded in bottom The inner wall of steel pipe 1 or unit steel pipe 2.By the design of interior steel pipe 8 and its connection type, can reinforce tight between outer and inner tube Soundness.Pass through the design of concrete hole and reinforcing bar jack so that the concrete inside and outside interior steel pipe is connected as entirety, reinforces intensity. The interior steel pipe bottom of each unit steel pipe 2 is horizontally extending bulge loop 84, which is buckled in steel pipe 8 in lower section to cover Top.The interior steel pipe bottom end of bottom steel pipe 1 is touched with 4 surface of drill bit.It can be poured into from 2 top of unit steel pipe of the top existing The concrete that field makes.It is interlocked by upper and lower between interior steel pipe so that each interior steel pipe is connected to form entirety, prevents from shaking.
Fig. 4, Fig. 5 are please referred to, the connection structure of the first fixed ring 6 and the second fixed ring 7 is sketched.
First fixed ring 6 is equally spacedly opened along ring heart there are three arcuate socket 61, and stop nut is provided on each arcuate socket 61 Arcuate socket is divided into precession section 612 and limit section 613 by hole 611, the stop nut hole 611.
The bottom surface of second fixed ring 7 equally spacedly set along ring heart there are three with 61 one-to-one arc block 71 of arcuate socket, The length of each arc block 71 is equal to the length of the limit section 613 of arcuate socket 61.
When two threaded connections of unit steel pipes 2 or unit steel pipe 2 and bottom steel pipe 1 are threadedly coupled, the arc of joint Block 71 is rotated down and sequentially enters the precession section 612 and limit section 613 of corresponding arcuate socket 61, arc block with the second fixed ring 7 71 agree with the limit section 613 of corresponding arcuate socket 61 after screw in stop nut in stop nut hole 611.By simply tying Structure designs so that and it is upper effectively to be connected between lower unit steel pipe or bottom steel pipe, it cooperates with spacing is threadedly coupled, works as arc block 71 with the limit section 613 of corresponding arcuate socket 61 when agreeing with, and is threadedly coupled between upper lower unit steel pipe or bottom steel pipe just in place, Consequently facilitating whether in place observation screw thread rotation, prevent excessively or excessively that pine screws.In addition, the cooperation limit of stop nut hole 611 Nut is limited when steel pipe reversely rotates, and prevents from falling off between lower unit steel pipe or bottom steel pipe.
Referring to Fig. 6, being provided with the cross-shaped through hole 31 for carrying drilling rod in load plate 3.3 bottom surface edge of load plate extends There is annular wall 32, the internal thread agreed with external screw thread is equipped in the annular wall 32.32 bottom of annular wall is circumferentially equidistant Ground sets the 61 one-to-one arc block of arcuate socket there are three with the first fixed ring 6 of joint, the length etc. of each arc block In the length of the limit section 613 of arcuate socket 61.
When load plate 3 is threadedly coupled with unit steel pipe 2, arc block is rotated down with load plate 3 and sequentially enters corresponding arc The precession section 612 and limit section 613 in shape hole 61, arc block are limiting spiral shell after agreeing with the limit section 613 of corresponding arcuate socket 61 Stop nut is screwed in female hole.
Fig. 7, Fig. 8, Fig. 9 are please referred to, drill bit 4 is generally coniform, to increase driving and stationkeeping ability, in the present embodiment Drill bit 4 includes cylindrical drill ontology 43, and the upper portion side wall of drill body 43 is equipped with mutually agrees with the internal thread of bottom steel pipe 1 External screw thread, and upper portion side wall is provided with and the multipair through-hole of bottom steel pipe 1 multiple through holes correspondingly.
The lower sides of drill body 43 are along the circumferential direction equally spacedly equipped with multiple vertical stabilizers 44.Drill body 43 bottom centre be equipped with apex point 45 made of cemented carbide material, around 45 annular array of apex point set there are four cutting Wing 46, each wing 46 that cuts are equipped with multiple cutting tooths 461.The bottom edge of drill body 43 is equally spacedly equipped with multiple Cutting tooth.Apex point 45 includes 451, four boundary edges 452 of locating tip and four assisted machining swords 453.Locating tip 451 is located at center Position, and higher than cutting wing 46.Four boundary edges 452 self-positioning sharp 451 extend to 45 bottom edge of apex point, and surround 451 equidistantly distributed of locating tip.The interface of indent, the interface interposition of the indent are formed between each adjacent two boundary edge 452 It sets and is fixed with assisted machining sword 453.Increase vertical stability by the design of stabilizer 44, when rotation can effectively be oriented to.Apex point 45 can effectively be directed to hard soil using cemented carbide material.The cutting wing 46 and cutting tooth of annular array arrangement make drill bit head Portion keeps loop configuration, when rotation to be held round track, improves cutting stability and driving speed.Locating tip 451 plays positioning The effect at center, while coordinating the interface of indent, it highlights at a distance from locating tip 451, reinforces positioning and guiding role.
Fig. 6, Figure 10 are please referred to, the upper surface of load plate 3 opens up the first cross groove along the edge of cross-shaped through hole 31 33.The top center of drill body 43 is provided with the second cross groove 47 of the size as cross-shaped through hole 31.Drilling rod 9 Top be fixed with the first cross convex block 91 agreed with the first cross groove 33, the bottom end of drilling rod is fixed with and the 20th The second cross convex block 92 that font groove 47 agrees with.Load plate 3, which is equipped with, holds the spiral cover 34 that 9 top of drilling rod passes through.By upper Lower protruding block rotates together, and improves the harmony up and down of load plate 3 and drill bit 4 so that piling is stablized.By directly limiting upper protruding block The spiral cover 34 of position, limits lower protruding block, prevents about 9 play of drilling rod indirectly.Certainly, drilling rod 9 is visited from each 8 central part of interior steel pipe Enter, avoid each reinforcing bar, so center is avoided in the horizontal fork direction of each reinforcing bar at the beginning.
It in order to be effectively increased efficiency, and reduces and carries drilling rod quantity, reduce cost, matched by the unit bar of merogenesis Unit steel pipe.I.e.:By top bar and with the unit bars of the quantity such as unit steel pipe, grafting forms drilling rod 9 successively up and down.Bottom Unit bar bottom end fix the second cross convex block;The first cross convex block is fixed on the top of top bar.
The radius of the radius of screw thread blade 5, the radius of the first fixed ring 6 and the second fixed ring 7 is equal.Screw thread blade 5 Corresponding first fixed ring 6 of top screw thread linking, the bottom end screw thread linking corresponding second of the screw thread blade 5 of unit steel pipe 2 fixes Ring 7.5 edge of screw thread blade is provided with serrated cutting edge, which is subject to the screw thread plane residing for screw thread blade 5 downwards Tilt 30 degree.By by the radius that the radial design of screw thread blade 5 is fixed ring, the head and the tail section of screw thread blade 5 connects fixed ring, Improving stability.30 degree of serrated cutting edge is tilted down by design, promotes excavation speed, has one to be set for hard soil layer With.
The outer wall surface of bottom steel pipe 1 and unit steel pipe 2 is coated with rust-proof coating, the composition and quality of rust-proof coating Fraction representation is:90 parts of acrylate and styrol copolymer, 2 parts of chlorinated paraffin, 2 parts of phosphorous triphenylmethyl methacrylate, hindered amine light stabilizer 25 parts of 1 part of agent, 45 parts of butyl acetate, methyl methacrylate and butyl methacrylate copolymer.So as to effectively improve steel The antirust and anti-corrosion capability of pipe outer wall.
2 side wall of unit steel pipe of the top is provided with multiple gas vents 21 and overfolw hole 22.It can be effectively improved by gas vent The compactness of concrete tentatively judges compactness by the spilling degree of mortar in overfolw hole 22.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field Member, without departing from the spirit and scope of the present invention, can also make various transformation or modification, therefore all equivalent Technical solution should also belong to scope of the invention, should be limited by each claim.

Claims (9)

1. a kind of connection structure of assembled steel pipe concrete-pile and reinforced beam, which is characterized in that including steel tube concrete Native stake, reinforced beam, beam support element and pre-buried shaped steel, the steel tube concrete pile include bottom steel pipe, at least a list First steel pipe, load plate and drill bit, wherein
The bottom steel pipe and the respective top exterior walls of unit steel pipe are equipped with external screw thread, and respective bottom interior wall is equipped with interior spiral shell Line;
The bottom steel pipe and the respective outer wall of the unit steel pipe and the position between the external screw thread and the internal thread Set the screw thread blade for being welded with spiral surrounding;
The bottom steel pipe and the respective top exterior walls of the unit steel pipe and the position fixation weldering below the external screw thread It is connected to the first fixed ring;
The respective bottom outer wall of the unit steel pipe and position above the internal thread is fixedly welded with the second fixed ring;
The top of the unit steel pipe can be threadedly coupled by external screw thread with the load plate, at the same the load plate with it is described First fixed ring of unit steel pipe top is removably secured connection;
Bottom steel pipe top end and a unit steel pipe bottom end are threadedly coupled by internal thread and external screw thread, simultaneously First fixed ring of the bottom steel pipe top is removably secured with the second fixed ring of unit steel pipe bottom described in this and connect;
Each unit steel pipe connects up and down successively, and screw thread is carried out by internal thread and external screw thread between two unit steel pipes Connection, while the first fixed ring of two unit steel pipe joints and the second fixed ring are removably secured connection;
The bottom steel pipe bottom outer wall and the through-hole that multipair level is provided with positioned at the position of the internal thread;
The bottom end of the bottom steel pipe is threadedly coupled the drill bit by internal thread;
The drill bit side wall is provided with the through hole of multiple levels, after the drill bit is connected to position with the bottom steel pipe, Mei Gesuo State a pair of through-hole of through hole connection;
Run through a fastening bolt, the fastening bolt two between each through hole and a pair through-hole communicated therewith End is threadedly coupled fastening nut;
The bottom steel pipe and the respective inside center of unit steel pipe are respectively and fixedly provided with interior steel pipe;
The interior steel pipe side wall is welded to connect by least two fixation ring seats in the bottom steel pipe or the unit steel pipe Wall;
The interior steel pipe side wall is provided with multipair reinforcing bar jack and multiple concrete holes, and each pair of reinforcing bar jack passes through a reinforcing bar, should The both ends of reinforcing bar are welded in the inner wall of the bottom steel pipe or the unit steel pipe;
The interior steel pipe bottom of each unit steel pipe is horizontally extending bulge loop, which is buckled in steel in lower section to cover The top of pipe;
Interior steel pipe bottom end and the bit face of the bottom steel pipe touch;
The concrete of field fabrication can be poured into from the unit steel pipe top of the top;
Beam support element bottom is provided with the thread groove of annular, passes through the unit steel pipe top of the thread groove and the top External screw thread connects;The center of beam support element bottom extends downwardly the fastening column for being useful for being inserted into concrete;
It is embedded with the pre-buried shaped steel inside the reinforced beam, and the pre-buried shaped steel is from the armored concrete beam bottom Portion is leant out;
It is provided with the holding tank for accommodating the reinforced beam at the top of the beam support element, it is described pre- which is provided with appearance Bury the insertion groove of shaped steel insertion.
2. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 1, feature exist In, first fixed ring is equally spacedly opened along ring heart there are three arcuate socket, and stop nut hole is provided on each arcuate socket, The arcuate socket is divided into precession section and limit section by the stop nut hole;
The bottom surface of second fixed ring equally spacedly set along ring heart there are three with the one-to-one arc block of the arcuate socket, often The length of a arc block is equal to the length of the limit section of the arcuate socket;
When two unit steel tube screw thread connections or the unit steel pipe are connected with the bottom steel tube screw thread, joint The arc block is rotated down and sequentially enters the precession section and limit section of the corresponding arcuate socket, institute with second fixed ring It states after arc block is agreed with the limit section of the corresponding arcuate socket and screws in stop nut in the stop nut hole.
3. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 2, feature exist In being provided with the cross-shaped through hole for carrying drilling rod in the load plate;
Load plate bottom surface edge is extended with annular wall, and the internal thread agreed with the external screw thread is equipped in the annular wall;
The annular wall bottom circumferentially equally spacedly sets the arc there are three with first fixed ring of joint The one-to-one arc block in shape hole, the length of each arc block are equal to the length of the limit section of the arcuate socket;
When the load plate is connect with the unit steel tube screw thread, the arc block be rotated down with the load plate and successively into Enter the precession section and limit section of the corresponding arcuate socket, the arc block agree with the limit section of the corresponding arcuate socket after Stop nut is screwed in the stop nut hole.
4. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 3, feature exist In, the drill bit includes cylindrical drill ontology,
The upper portion side wall of the drill body is equipped with the external screw thread mutually agreed with the internal thread of the bottom steel pipe, and top Side wall is provided with and the multipair through-hole of the bottom steel pipe multiple through holes correspondingly;
The lower sides of the drill body are along the circumferential direction equally spacedly equipped with multiple vertical stabilizers;
The bottom centre of the drill body is equipped with the apex point made of cemented carbide material, is set around the apex point annular array There are four wing is cut, each wing that cuts is equipped with multiple cutting tooths;
The bottom edge of the drill body is equally spacedly equipped with multiple cutting tooths;
The apex point includes locating tip, four boundary edges and four assisted machining swords;
The locating tip is located at center, and is higher than the cutting wing;
Four boundary edges extend to the apex point bottom edge from the locating tip, and equidistant around the locating tip Distribution;
The interface of indent is formed between boundary edge described in each adjacent two, the interface centre position of the indent is fixed with assisted machining Sword.
5. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 4, feature exist In the upper surface of the load plate opens up the first cross groove along the edge of the cross-shaped through hole;
The top center of the drill body is provided with the second cross groove of the size as the cross-shaped through hole;
The top of drilling rod is fixed with the first cross convex block agreed with first cross groove, and the bottom end of drilling rod is fixed with The the second cross convex block agreed with second cross groove;
The load plate is equipped with the spiral cover for holding and being passed through at the top of drilling rod.
6. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 5, feature exist In, drilling rod is by top bar and grafting forms successively up and down with the unit bars of the quantity such as the unit steel pipe;
The second cross convex block is fixed in unit bar bottom end described in the lowermost;
The first cross convex block is fixed on the top of the top bar.
7. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 6, feature exist In,
The radius of the radius of the screw thread blade, the radius of first fixed ring and second fixed ring is equal;
Corresponding first fixed ring of top screw thread linking of the screw thread blade, the screw thread blade of the unit steel pipe Corresponding second fixed ring of bottom end screw thread linking;
Along serrated cutting edge is provided with, which is the screw thread blade edge with the screw thread plane residing for the screw thread blade Standard tilts down 30 degree.
8. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 1, feature exist Be coated with rust-proof coating in, the outer wall surface of the bottom steel pipe and the unit steel pipe, the composition of the rust-proof coating with And mass fraction is expressed as:90 parts of acrylate and styrol copolymer, 2 parts of chlorinated paraffin, 2 parts of phosphorous triphenylmethyl methacrylate, hindered amine 25 parts of 1 part of light stabilizer, 45 parts of butyl acetate, methyl methacrylate and butyl methacrylate copolymer.
9. the connection structure of assembled steel pipe concrete-pile and reinforced beam according to claim 1, feature exist In the unit steel pipe side wall of the top is provided with multiple gas vents and overfolw hole.
CN201710902848.7A 2017-09-29 2017-09-29 The connection structure of assembled steel pipe concrete-pile and reinforced beam Active CN108301405B (en)

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CN106759273A (en) * 2017-03-14 2017-05-31 上海电力设计院有限公司 For the basis of the steel-pipe pile photovoltaic bracket with sliding sleeve of Frozen Ground Area
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JP2006077482A (en) * 2004-09-10 2006-03-23 Tenox Corp Steel pipe pile structure
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