CN104895052A - Rapid joint of precast concrete pile - Google Patents

Rapid joint of precast concrete pile Download PDF

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Publication number
CN104895052A
CN104895052A CN201510359169.0A CN201510359169A CN104895052A CN 104895052 A CN104895052 A CN 104895052A CN 201510359169 A CN201510359169 A CN 201510359169A CN 104895052 A CN104895052 A CN 104895052A
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China
Prior art keywords
hand thread
positioning sleeve
stretch
connecting portion
concrete pile
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Pending
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CN201510359169.0A
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Chinese (zh)
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袁江
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Individual
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Individual
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Priority to CN201510359169.0A priority Critical patent/CN104895052A/en
Publication of CN104895052A publication Critical patent/CN104895052A/en
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Abstract

The invention discloses a rapid joint of a precast concrete pile. The rapid joint comprises a stretching positioning sleeve I and a stretching positioning sleeve II which are both of a sleeve shaped structure; limiting ends for limiting end heads of steel bars inside are arranged at the bottom parts of the stretching positioning sleeve I and the stretching positioning sleeve II. The rapid joint further comprises a guide clamp and a reverse spring buckling pin; the guide clamp is in threaded fitting with the stretching positioning sleeve I; the reverse spring buckling pin comprises a screwing base, and at least three reverse buckling teeth fixed on the screwing base, wherein the reverse buckling teeth are extruded to pass through the guide clamp and then sprung back to be limited on the guide clamp; the screwing base is in threaded fitting with the stretching positioning sleeve II. The rapid joint is high in strength, simple to assemble and abut, free of damage on a connecting part body, flexible to abut, high in sealing after abutting, and high in stretching resistance and corrosion resistance.

Description

A kind of precast concrete pile snap joint
Technical field
The present invention relates to a kind of precast concrete pile to connected components, particularly relate to a kind of precast concrete pile snap joint.
Background technology
In building operations, concrete pile docks the operation that is absolutely necessary, conventional concrete stake docking mode is the welding of steel plate, and use engagement class connector to strengthen resistance to plucking, the tensile strength of this kind of connector can not meet the demands and connector itself is easily damaged and causes connection failure, and the method construction is complicated, and antiseptic property is poor, and this kind of connector can not solve the problem of sealing, causes the problem of corrosion resistance difference.Patent [2010102984420] discloses a kind of docking calculation of the concrete prefabricated element be made up of prefabricated units connector, combine not tight after prefabricated units connector docking disclosed in this patent, resistance to plucking is poor, component are more, assembling process is comparatively complicated, in addition, and joint two tube-in-tube structure differences, requirement is had, for docking is made troubles to concrete pile abutting direction.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of precast concrete pile snap joint of research and design.The technological means that the present invention adopts is as follows:
A kind of precast concrete pile snap joint, comprise stretch-draw positioning sleeve I and stretch-draw positioning sleeve II, described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II are sleeve shaped structure, the bottom of described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II is equipped with can by spacing for steel bar end positive stop end within it, it is characterized in that: also comprise guiding buckle and spring left-hand thread pin, internal thread is provided with in described stretch-draw positioning sleeve I, described guiding buckle is cylinder annular, and the outside of guiding buckle is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I; Described stretch-draw positioning sleeve II inside is provided with internal thread, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
Further, described spring left-hand thread pin comprises spin base and left-hand thread pin main body, described left-hand thread pin main body comprises left-hand thread end and connecting portion, the described base that spins is fixedly connected with by connecting portion with left-hand thread end, the maximum gauge of described left-hand thread end is greater than the internal diameter of guide card button joint end, described left-hand thread pin main body is provided with at least three grooves, left-hand thread pin main body is divided into the left-hand thread tooth with groove equal number.
Further, the internal diameter of described guiding buckle increases gradually from joint end to butt end, described joint end is one end that guiding buckle engages with left-hand thread end, butt end is the other end of guiding buckle, described left-hand thread end is parabola revolution body or hemisphere, the bigger diameter end of left-hand thread end is connected with connecting portion, and described connecting portion is that one end is fixed on the cylinder loop configuration spun on base, and left-hand thread end is provided with the through hole be connected with the endoporus of connecting portion.
Further, the endoporus of described guiding buckle is conical bore, the internal diameter of the joint end of guiding buckle is more than or equal to the external diameter of connecting portion, and the internal diameter of the butt end of guiding buckle is more than or equal to the maximum gauge of left-hand thread end, and the length of guiding buckle equals the length of connecting portion.
Further, the butt end of described guiding buckle is provided with defining flange I, the end of described stretch-draw positioning sleeve I is provided with the stopper slot I coordinated with defining flange I, described defining flange I is provided with two gap of positional symmetry, one end that the described base that spins is connected with connecting portion is provided with defining flange II, and the end of described stretch-draw positioning sleeve II is provided with the stopper slot II coordinated with defining flange II.
Further, the angle between the end face that is connected with connecting portion of described left-hand thread end and connecting portion is less than or equal to 90 °.
Further, the angle between the end face that is connected with connecting portion of described left-hand thread end and connecting portion equals 90 °.
Further, described left-hand thread pin main body is provided with six equally distributed grooves, and left-hand thread pin main body is divided into six left-hand thread teeth.
Further, the both sides of one end that described left-hand thread tooth is connected with the base that spins are provided with arc notch, and two on two adjacent left-hand thread teeth adjacent arc notch, on same circle, form a manhole.
Further, described spring left-hand thread pin is made up of 65Mn spring steel, is marked with modified epoxy in described stretch-draw positioning sleeve I.
Compared with the prior art, precast concrete pile snap joint of the present invention has the following advantages:
1, stretch-draw positioning sleeve I is identical with stretch-draw positioning sleeve II structure, work progress concrete pile regardless of two ends, interface flexibility;
2, because joint linearly connects the main muscle of every root, reach the requirement of the through layout of reinforcing bar, and joint is originally as seamless accurate docking, and structurally internal stress is effectively transmitted;
3, fully sealed end face and sleeve by modified epoxy, and joint is in concrete, steel part does not expose, and promotes corrosion resistance.
4, assembling and docking operation simple to operate, easy to operate, merging precision is high, and uplift resistance is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the stretch-draw locating sleeve structure schematic diagram described in the embodiment of the present invention.
Fig. 3 is the spring left-hand thread latch structure schematic diagram described in the embodiment of the present invention.
Fig. 4 is the guide card buckle structure schematic diagram described in the embodiment of the present invention.
Fig. 5 is the structural representation of the embodiment of the present invention two.
Fig. 6 is the structural representation of the embodiment of the present invention three.
Detailed description of the invention
As shown in figures 1 to 6, a kind of precast concrete pile snap joint, comprise stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2, described stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2 are sleeve shaped structure, the bottom of described stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2 is equipped with can by spacing for steel bar end positive stop end 11 within it, also comprise guiding buckle 3 and spring left-hand thread pin 4, internal thread is provided with in described stretch-draw positioning sleeve I 1, described guiding buckle 3 is cylinder annular, and the outside of guiding buckle 3 is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I 1, described stretch-draw positioning sleeve II 2 inside is provided with internal thread, described spring left-hand thread pin 4 comprises spin base 41 and left-hand thread pin main body, spin described in described left-hand thread pin main body comprises left-hand thread end 42 and is connected the connecting portion 43 of base 41 and left-hand thread end 42, the described base 41 that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II 2, described connecting portion 43 spins for one end is fixed on the cylinder loop configuration on base 41, the maximum gauge of described left-hand thread end 42 is greater than the internal diameter of the joint end of guiding buckle 3, described left-hand thread pin main body is provided with at least three grooves 44, left-hand thread pin main body is divided into the left-hand thread tooth 45 of equal number, make left-hand thread end 42 by being extruded through guiding buckle 3, and rebound after passing through guiding buckle 3 thus be limited on guiding buckle 3.
The internal diameter of described guiding buckle 3 increases gradually from joint end to butt end, and the diameter of described left-hand thread end 42 is parabolically revolving body or hemisphere from maximum gauge to end, and left-hand thread end 42 is provided with the through hole be connected with the endoporus of connecting portion 43.The end of left-hand thread end 42 is less, and spring left-hand thread pin 4 is easily docked with guiding buckle 3, and makes in docking operation, left-hand thread tooth 45 is more easily extruded gathering, reduces diameter and passes through guiding buckle 3.
The endoporus of described guiding buckle 3 is conical bore, can entirety be conical bore, also can be the part of endoporus be conical bore, the internal diameter of the joint end of guiding buckle 3 equals the external diameter of connecting portion, the internal diameter of the butt end of guiding buckle is more than or equal to the maximum gauge of left-hand thread end 42, and the length of guiding buckle 3 equals the length of connecting portion 43, in connected state, guiding buckle 3 coordinates with seamless between spring left-hand thread pin 4, and the external dimensions of guiding buckle 3 is identical with the external dimensions of the base 41 that spins.The design of reducing makes spring left-hand thread pin 4 easily dock with guiding buckle 3, avoids situation about not easily pushing after spring left-hand thread pin 4 and the endoporus of the buckle 3 that leads are difficult to aim at and aim at.
The butt end of described guiding buckle 3 is provided with defining flange I 31, the end of described stretch-draw positioning sleeve I 1 is provided with the stopper slot I 12 coordinated with defining flange I 31, described defining flange I 31 is provided with two gap 32 of positional symmetry, for with screw in the coordinating of instrument, in like manner, one end that the described base 41 that spins is connected with connecting portion 43 is provided with defining flange II 47, and the end of described stretch-draw positioning sleeve II 2 is provided with the stopper slot II coordinated with defining flange II.The setting of defining flange, make guiding buckle 3 screw in stretch-draw positioning sleeve I 1 and the base 41 that spins screws in stretch-draw positioning sleeve II 2 time screw-in distance certain, ensure that the uniformity that different joint assemble, raising merging precision.
Angle between the end face that described left-hand thread end 42 is connected with connecting portion 43 and connecting portion 43 is less than or equal to 90 °, namely the end face that left-hand thread end 42 is connected with connecting portion 43 is perpendicular to the circular flat of connecting portion central axis or the large mouth taper seat towards the base side that spins, preferred angle α is 90 °, when α is 90 °, under mated condition, left-hand thread end 42 fits tightly with guiding buckle 3, improves merging precision further.
Described left-hand thread pin main body is provided with six equally distributed grooves 44, and left-hand thread pin main body is divided into six left-hand thread teeth 45, also can arrange the left-hand thread tooth of other quantity as required.
Described left-hand thread tooth 45 is provided with arc notch 46 with the both sides of one end that the base 41 that spins is connected, two on two adjacent left-hand thread teeth 45 adjacent arc notch 46 are on same circle, form a manhole, when ensureing tensile strength, make left-hand thread tooth 45 in docking operation than being easier to bend to the inside gathering, to pass through guiding buckle 3, simultaneously, arc notch 46 docks the manhole formed makes left-hand thread tooth 45 be fillet with the base angle of base 41 junction that spins, effectively eliminate stress concentrated, improve intensity, in like manner, whole left-hand thread pin main body all can be set to fillet with the base angle of base 41 junction that spins, further raising intensity, in addition, adjacent arc notch 46 docking defines manhole also as the mating holes of the instrument of screw-in, thin rod shape instrument directly can be inserted manhole and carry out screw-in operation.
Described stretch-draw positioning sleeve I 1 is identical with the structure of stretch-draw positioning sleeve II 2, and two stretch-draw positioning sleeves are identical structure design, completely eliminates the requirement of docking operation to concrete pile direction, can dock the arbitrary end of two stakes, and docking flexibly.
Described spring left-hand thread pin 4 is made up of 65Mn spring steel, is marked with modified epoxy in described stretch-draw positioning sleeve I 1.
The docking calculation of the present embodiment for: two concrete piles that dock are concrete pile A and concrete pile B, the docking end face of concrete pile A is built-in with and is multiplely sheathed on end reinforced stretch-draw positioning sleeve I 1, the correspondence position of the docking end face of concrete pile B is built-in with multiple stretch-draw positioning sleeve II 2, guiding buckle 3 is screwed in stretch-draw positioning sleeve I 1, spring left-hand thread pin 4 is screwed in stretch-draw positioning sleeve II 2, modified epoxy is injected in stretch-draw positioning sleeve I 1, and modified epoxy is coated on docking end face, by spring left-hand thread pin 4 and the grafting of guiding buckle 3, it is inner that left-hand thread tooth 45 resilience is stuck in guiding buckle 3, complete the docking of concrete pile A and concrete pile B, modified epoxy is not only full of stretch-draw positioning sleeve I 1, reacted by the curing chemistry of modified epoxy, prevent the resilience of spring left-hand thread pin further, and form modified epoxy interface in the docking end of concrete pile A and concrete pile B, adhesive strength is just being drawn to be greater than concrete self tensile strength with concrete, substantially increase the bonding strength of concrete pile, improve sealing simultaneously, strengthen corrosion resistance.
The precast concrete pile snap joint that embodiment one coordinates with rod iron
As Figure 1-4, a kind of precast concrete pile snap joint, comprise stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2, described stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2 are sleeve shaped structure, the bottom of described stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2 is equipped with can by spacing for steel bar end positive stop end 11 within it, also comprise guiding buckle 3 and spring left-hand thread pin 4, internal thread is provided with in described stretch-draw positioning sleeve I 1, described guiding buckle 3 is cylinder annular, and the outside of guiding buckle 3 is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I 1, described stretch-draw positioning sleeve II 2 inside is provided with internal thread, described spring left-hand thread pin 4 comprises spin base 41 and left-hand thread pin main body, spin described in described left-hand thread pin main body comprises left-hand thread end 42 and is connected the connecting portion 43 of base 41 and left-hand thread end 42, the described base 41 that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II 2, described connecting portion 43 spins for one end is fixed on the cylinder loop configuration on base 41, the maximum gauge of described left-hand thread end 42 is greater than the internal diameter of the joint end of guiding buckle 3, described left-hand thread pin main body is provided with at least three grooves 44, left-hand thread pin main body is divided into the left-hand thread tooth 45 of equal number, make left-hand thread end 52 by being extruded through guiding buckle 3, and rebound after passing through guiding buckle 3 thus be limited on guiding buckle 3.
The internal diameter of described guiding buckle 3 increases gradually from joint end to butt end, and the diameter of described left-hand thread end 42 reduces from the one end be connected with connecting portion 43 gradually to the other end, and left-hand thread end 42 is provided with the through hole be connected with the endoporus of connecting portion 43.The inside wall of described guiding buckle 3 is taper seat, the internal diameter of the joint end of guiding buckle 3 equals the external diameter of connecting portion, the internal diameter of the butt end of guiding buckle is more than or equal to the maximum gauge of left-hand thread end 42, the length of guiding buckle 3 equals the length of connecting portion 43, and described left-hand thread end is parabola revolution body or hemisphere.
The butt end of described guiding buckle 3 is provided with defining flange I 31, the end of described stretch-draw positioning sleeve I 1 is provided with the stopper slot I 12 coordinated with defining flange I 31, described defining flange I 31 is provided with two relative gap 32 of position, for with screw in the coordinating of instrument, in like manner, one end that the described base 41 that spins is connected with connecting portion 43 is provided with defining flange II 47, the end of described stretch-draw positioning sleeve II 2 is provided with the stopper slot II coordinated with defining flange II, described defining flange II 47 is provided with the relative clamping plane in position 48, and tool holding easy to use screws in.Angle between the end face that described left-hand thread end 42 is connected with connecting portion 43 and connecting portion 43 equals 90 °
Described left-hand thread pin main body is provided with six equally distributed grooves 44, and left-hand thread pin main body is divided into six left-hand thread teeth 45, also can arrange the left-hand thread tooth of other quantity as required.
Described left-hand thread tooth 45 is provided with arc notch 46 with the both sides of one end that the base 41 that spins is connected, and two on two adjacent left-hand thread teeth 45 adjacent arc notch 46, on same circle, form a manhole.
Positive stop end described in the present embodiment is bottom stretch-draw positioning sleeve I and stretch-draw positioning sleeve II, arrange the inside flange that through hole formed, and the inner space of flange is infundibulate, coordinates with rod iron, and the heading of rod iron end is limited in positive stop end inside.
The precast concrete pile snap joint that embodiment two coordinates with screw-thread steel
As shown in Figure 5, the difference of the present embodiment and embodiment one is: the bottom of stretch-draw positioning sleeve I 1 and stretch-draw positioning sleeve II 2 is provided with tapped through hole, and form positive stop end, the end of screw-thread steel is provided with external screw thread, and screws in tapped through hole.Other configuration and principle are with embodiment one.
The precast concrete pile snap joint that embodiment three coordinates with steel strand
As shown in Figure 6, the difference of the present embodiment and embodiment one is: the positive stop end of the present embodiment is large mouth bellmouth inwardly, the stranded wire anchor head 5 that external surface is the conical surface is provided with in described bellmouth, the external surface of stranded wire anchor head 5 coordinates with bellmouth, stranded wire anchor head 5 is limited in bellmouth, and stranded wire anchor head 5 outside is provided with wire circlip 6, the sheathed end being fixed on steel strand of stranded wire anchor head 5, realizes the connection of steel strand and stretch-draw positioning sleeve I 1 and steel strand and stretch-draw positioning sleeve II 2.Other configuration and principle of the present embodiment are with embodiment one.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (10)

1. a precast concrete pile snap joint, comprise stretch-draw positioning sleeve I and stretch-draw positioning sleeve II, described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II are sleeve shaped structure, the bottom of described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II is equipped with and by spacing for steel bar end positive stop end within it, can it is characterized in that:
Also comprise guiding buckle and spring left-hand thread pin, be provided with internal thread in described stretch-draw positioning sleeve I, described guiding buckle is cylinder annular, and the outside of guiding buckle is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I; Described stretch-draw positioning sleeve II inside is provided with internal thread, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
2. precast concrete pile snap joint according to claim 1, it is characterized in that: described spring left-hand thread pin comprises spin base and left-hand thread pin main body, described left-hand thread pin main body comprises left-hand thread end and connecting portion, the described base that spins is fixedly connected with by connecting portion with left-hand thread end, the maximum gauge of described left-hand thread end is greater than the internal diameter of guide card button joint end, described left-hand thread pin main body is provided with at least three grooves, left-hand thread pin main body is divided into the left-hand thread tooth with groove equal number.
3. precast concrete pile snap joint according to claim 2, it is characterized in that: the internal diameter of described guiding buckle increases gradually from joint end to butt end, described joint end is one end that guiding buckle engages with left-hand thread end, butt end is the other end of guiding buckle, described left-hand thread end is parabola revolution body or hemisphere, the bigger diameter end of left-hand thread end is connected with connecting portion, described connecting portion is that one end is fixed on the cylinder loop configuration spun on base, and left-hand thread end is provided with the through hole be connected with the endoporus of connecting portion.
4. precast concrete pile snap joint according to claim 3, it is characterized in that: the endoporus of described guiding buckle is conical bore, the internal diameter of the joint end of guiding buckle is equal to or greater than the external diameter of connecting portion, the internal diameter of the butt end of guiding buckle is more than or equal to the maximum gauge of left-hand thread end, and the length of guiding buckle equals the length of connecting portion.
5. precast concrete pile snap joint according to claim 4, it is characterized in that: the butt end of described guiding buckle is provided with defining flange I, the end of described stretch-draw positioning sleeve I is provided with the stopper slot I coordinated with defining flange I, described defining flange I is provided with two gap of positional symmetry, one end that the described base that spins is connected with connecting portion is provided with defining flange II, and the end of described stretch-draw positioning sleeve II is provided with the stopper slot II coordinated with defining flange II.
6. precast concrete pile snap joint according to claim 5, is characterized in that: the angle between the end face that described left-hand thread end is connected with connecting portion and connecting portion is less than or equal to 90 °.
7. precast concrete pile snap joint according to claim 6, is characterized in that: the angle between the end face that described left-hand thread end is connected with connecting portion and connecting portion equals 90 °.
8. precast concrete pile snap joint according to claim 7, is characterized in that: described left-hand thread pin main body is provided with six equally distributed grooves, and left-hand thread pin main body is divided into six left-hand thread teeth.
9. precast concrete pile snap joint according to claim 8, it is characterized in that: the both sides of one end that described left-hand thread tooth is connected with the base that spins are provided with arc notch, two on two adjacent left-hand thread teeth adjacent arc notch, on same circle, form a manhole.
10. precast concrete pile snap joint as claimed in any of claims 1 to 9, is characterized in that: described spring left-hand thread pin is made up of 65Mn spring steel, is marked with modified epoxy in described stretch-draw positioning sleeve I.
CN201510359169.0A 2015-06-25 2015-06-25 Rapid joint of precast concrete pile Pending CN104895052A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179397A (en) * 2015-10-09 2015-12-23 周兆弟 Clamping table type connecting piece
CN105297707A (en) * 2015-09-10 2016-02-03 袁江 Concrete soil retaining row pile and row pile wall
CN105672308A (en) * 2016-02-03 2016-06-15 嘉兴法斯特五金有限公司 Quick pipe pile connecting piece
CN106638587A (en) * 2017-02-17 2017-05-10 浙江望达建材科技有限公司 Assembly type prestress combined square pile and construction method thereof
CN107605041A (en) * 2017-09-14 2018-01-19 袁建华 Precast concrete connection component and its construction method
CN111206571A (en) * 2020-02-28 2020-05-29 许顺良 Prefabricated building structure
CN111335300A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure
CN111335302A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure
CN111958809A (en) * 2020-08-20 2020-11-20 凡天建筑科技有限公司 Method for manufacturing precast pile rod
CN113137008A (en) * 2021-04-20 2021-07-20 镇江佳和新材料科技有限公司 Quick mechanical connecting device

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JPS59114322A (en) * 1982-12-21 1984-07-02 Ube Ind Ltd High-strength concrete pile
CN101979778A (en) * 2010-10-07 2011-02-23 周兆弟 Method for butting concrete prefabricated member consisting of prefabricated member connector
CN204185851U (en) * 2014-11-10 2015-03-04 福州大学 Prestressed concrete pipe pile fast joint structure
CN204728315U (en) * 2015-06-25 2015-10-28 袁江 A kind of precast concrete pile snap joint

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Publication number Priority date Publication date Assignee Title
JPS59114322A (en) * 1982-12-21 1984-07-02 Ube Ind Ltd High-strength concrete pile
CN101979778A (en) * 2010-10-07 2011-02-23 周兆弟 Method for butting concrete prefabricated member consisting of prefabricated member connector
CN204185851U (en) * 2014-11-10 2015-03-04 福州大学 Prestressed concrete pipe pile fast joint structure
CN204728315U (en) * 2015-06-25 2015-10-28 袁江 A kind of precast concrete pile snap joint

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297707A (en) * 2015-09-10 2016-02-03 袁江 Concrete soil retaining row pile and row pile wall
CN105179397A (en) * 2015-10-09 2015-12-23 周兆弟 Clamping table type connecting piece
CN105672308A (en) * 2016-02-03 2016-06-15 嘉兴法斯特五金有限公司 Quick pipe pile connecting piece
CN105672308B (en) * 2016-02-03 2018-11-02 东阳市聚冉电子科技有限公司 A kind of pile pile Quick connection part
CN106638587A (en) * 2017-02-17 2017-05-10 浙江望达建材科技有限公司 Assembly type prestress combined square pile and construction method thereof
CN107605041A (en) * 2017-09-14 2018-01-19 袁建华 Precast concrete connection component and its construction method
CN111206571A (en) * 2020-02-28 2020-05-29 许顺良 Prefabricated building structure
CN111335300A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure
CN111335302A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure
CN111958809A (en) * 2020-08-20 2020-11-20 凡天建筑科技有限公司 Method for manufacturing precast pile rod
CN113137008A (en) * 2021-04-20 2021-07-20 镇江佳和新材料科技有限公司 Quick mechanical connecting device

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RJ01 Rejection of invention patent application after publication

Application publication date: 20150909

RJ01 Rejection of invention patent application after publication