CN110593256A - Anti-pulling prestressed pipe pile connecting piece - Google Patents

Anti-pulling prestressed pipe pile connecting piece Download PDF

Info

Publication number
CN110593256A
CN110593256A CN201910915133.4A CN201910915133A CN110593256A CN 110593256 A CN110593256 A CN 110593256A CN 201910915133 A CN201910915133 A CN 201910915133A CN 110593256 A CN110593256 A CN 110593256A
Authority
CN
China
Prior art keywords
connecting piece
nut
cavity
elastic clamping
clamping piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910915133.4A
Other languages
Chinese (zh)
Inventor
陆剑敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haiyan Machinery Equipment Manufacturing Co Ltd
Original Assignee
Haiyan Machinery Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haiyan Machinery Equipment Manufacturing Co Ltd filed Critical Haiyan Machinery Equipment Manufacturing Co Ltd
Priority to CN201910915133.4A priority Critical patent/CN110593256A/en
Publication of CN110593256A publication Critical patent/CN110593256A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • E02D5/523Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
    • E02D5/526Connection means between pile segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention provides an anti-pulling prestressed pipe pile connecting piece which comprises a small nut, a large nut, a connecting piece, a plugging rod body, an elastic clamping piece and a sleeve, wherein one end of the plugging rod body is installed at the bottom of the small nut through the connecting piece, the other end of the plugging rod body is in plugging fit with an inner cavity of the large nut, a stepped limiting ring groove is formed in the inner cavity of the large nut, the plugging rod body is sleeved with the elastic clamping piece, the elastic clamping piece is matched with the stepped limiting ring groove to prevent the plugging rod body from being reversely pulled out of the large nut, a first stepped surface for preventing the elastic clamping piece from being reversely pulled out is arranged on the stepped limiting ring groove, the first stepped surface is abutted and matched with the elastic clamping piece, and the sleeve is sleeved between the plugging rod body and the elastic. After the inserted bar body inserted the big nut inner chamber, the resistance to plucking card of elasticity fastener circumference radially expands outward, can with the cooperation of supporting of the spacing annular of ladder in the big nut to prevent that the inserted bar body from reversely extracting in the big nut, reach the purpose that improves the tensile resistance to plucking of connecting piece.

Description

Anti-pulling prestressed pipe pile connecting piece
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of prestressed connecting pieces, in particular to an anti-pulling prestressed pipe pile connecting piece.
[ background of the invention ]
In the use process of the tubular pile, the tubular piles with different lengths are selected according to different use requirements, so that the tubular piles are required to be connected with each other to form a long pile body. At present, steel plates are arranged at two ends of the existing tubular pile, and the tubular pile is connected with the tubular pile in a mutual welding mode. The pile body after connecting is pressed in underground when the stake, owing to contain salt especially chloride in soil, can form the corruption to the steel sheet that exposes in soil, leads to the junction fracture between tubular pile and the tubular pile to make the connection between tubular pile and the tubular pile form the disconnection, in addition, the welding through the steel sheet is connected the mode relatively complicated, connects inconveniently.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a pulling-resistant prestressed pipe pile connecting piece which is firm in connection after splicing connection, can improve the pulling resistance of the connecting piece, and ensures the connection strength between pipe piles.
In order to achieve the purpose, the invention provides an anti-pulling prestressed pipe pile connecting piece which comprises a small nut, a large nut, a connecting piece, a jack body, an elastic clamping piece and a sleeve, wherein one end of the jack body is installed at the bottom of the small nut through the connecting piece, the other end of the jack body is in splicing fit with an inner cavity of the large nut, a stepped limiting ring groove is formed in the inner cavity of the large nut, the jack body is sleeved with the elastic clamping piece, the elastic clamping piece is matched with the stepped limiting ring groove to prevent the jack body from being reversely pulled out from the large nut, a first stepped surface for preventing the elastic clamping piece from being reversely pulled out is arranged on the stepped limiting ring groove, the first stepped surface is abutted against and matched with the elastic clamping piece, and the sleeve is sleeved between the jack body and the elastic clamping piece.
Preferably, the center department of little nut has first installation cavity, the one end of first installation cavity is equipped with the first internal thread installation department with connecting piece looks spiro union, the other end of first installation cavity is equipped with head rod socket, pass through the first toper face of radial contraction between first internal thread installation department and the head rod socket.
As preferred, the center department of big nut has the plug-in cavity, the one end in plug-in cavity is equipped with the second connecting rod and inserts the chamber, plug-in cavity and second connecting rod are inserted and are passed through radial shrinkage's second conical surface between the chamber, the other end in plug-in cavity has the screw thread chamber, the plug-in cavity is equipped with the spacing annular of ladder that has the toper outer wall, the spacing annular of ladder reduces along the direction of insertion radial diameter of the jack body gradually, and the big footpath end in the spacing annular of ladder has first step face, and the footpath end is the same with the internal diameter in plug-in cavity.
Preferably, the connecting piece comprises an upper connecting part, a hexagonal driving body and a lower connecting part which are sequentially arranged along the length direction of the connecting piece, the outer wall of the upper connecting part is provided with a first external thread which is in matched connection with the small nut, and the center of the lower connecting part is provided with a second internal thread mounting part which is in matched connection with the inserted rod body.
Preferably, the inserted bar body includes insertion portion and the screw rod portion that sets gradually along its length direction, screw rod portion and connecting piece looks spiro union, insertion portion is the cylinder, and the external diameter of insertion portion is greater than the external diameter of insertion portion, has the second step face between the two, the one end and the cooperation of leaning on of second step face counterbalance of elasticity fastener.
As preferred, the elasticity fastener includes installation department and resistance to plucking card, the center department of installation department has the mounting hole, the installation department leans on the cooperation with the counterbalance of second step face, the screw rod portion runs through the mounting hole, the circumference equipartition of installation department has the resistance to plucking card of a plurality of buckling, has the grooving between the adjacent resistance to plucking card, the sealing end of grooving is equipped with circular aqueduct of crossing, the tip and the counterbalance of first step face of resistance to plucking card lean on the cooperation.
Preferably, the sleeve is cylindrical, and the sleeve is fitted to the outside of the screw portion.
The invention has the beneficial effects that: according to the invention, the structure that the elastic clamping piece is sleeved outside the inserting rod body is adopted, after the inserting rod body is inserted into the inner cavity of the large nut, the anti-pulling clamping piece on the circumferential direction of the elastic clamping piece is restored and radially expanded, and can be abutted and matched with the stepped limiting ring groove in the large nut, so that the inserting rod body is prevented from being reversely pulled out from the large nut, the purpose of improving the anti-pulling property of the connecting piece is achieved, and the connecting strength between pipe piles is ensured.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a sectional view showing an installed state of a connecting member for a pull-out resistant prestressed pipe pile according to the present invention;
FIG. 2 is a schematic structural diagram of a pre-installation state of the anti-pulling prestressed pipe pile connecting piece of the present invention;
FIG. 3 is a cross-sectional view of a small nut of the anti-pulling prestressed pipe pile connecting piece of the present invention;
FIG. 4 is a cross-sectional view of a large nut of the anti-pulling prestressed pipe pile connecting piece of the invention;
fig. 5 is a sectional view of a connecting piece of the uplift prestressed pipe pile connecting piece of the invention;
fig. 6 is a cross-sectional view of a jack body of the anti-pulling prestressed pipe pile connecting piece of the invention;
fig. 7 is a sectional view of the elastic clamping piece of the uplift prestressed pipe pile connecting piece of the invention;
fig. 8 is a sectional view of a sleeve of the uplift prestressed pipe pile connecting piece.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the anti-pulling prestressed pipe pile connecting piece of the invention comprises a small nut 1, a large nut 2, a connecting piece 3, an inserting rod body 4, an elastic clamping piece 5 and a sleeve 6, wherein one end of the inserting rod body 4 is installed at the bottom of the small nut 1 through the connecting piece 3, the other end of the inserting rod body 4 is in inserted fit with an inner cavity of the large nut 2, a stepped limiting ring groove 22 is formed in the inner cavity of the large nut 2, the inserting rod body 4 is sleeved with the elastic clamping piece 5, the elastic clamping piece 5 is matched with the stepped limiting ring groove 22 to prevent the inserting rod body 4 from being pulled out from the large nut 2 reversely, a first stepped surface 220 for preventing the elastic clamping piece 5 from being pulled out reversely is arranged on the stepped limiting ring groove 22, the first stepped surface 220 is abutted against and matched with the elastic clamping piece 5, and the sleeve 6 is sleeved between the inserting rod body.
Referring to fig. 3, the center of small nut 1 is provided with a first installation cavity 10, one end of first installation cavity 10 is provided with a first internal thread installation part 13 screwed with a connecting piece 3, the other end of first installation cavity 10 is provided with a first connecting rod inserting cavity 11 used for being fixedly assembled with deformed steel bar, and transition is performed between first internal thread installation part 13 and first connecting rod inserting cavity 11 through a first conical surface 12 which radially contracts.
Referring to fig. 4, the center department of big nut 2 has the plug cavity 21, the one end in plug cavity 21 is equipped with and is used for assembling the second connecting rod of fixing with the screw-thread steel and inserts chamber 23, plug cavity 21 and second connecting rod are inserted and are passed through radial shrinkage's second toper face 231 between the chamber 23, the other end in plug cavity 21 has thread cavity 210, be equipped with the spacing annular groove of ladder 22 that has the toper outer wall in the plug cavity 21, the spacing annular groove of ladder 22 reduces along the direction of insertion radial diameter of the inserted bar body 4 gradually, and the big footpath end in the spacing annular groove of ladder 22 has first step face 220, and the footpath end is the same with the internal diameter in plug cavity 21.
Referring to fig. 5, the connecting member 3 includes an upper connecting portion 31, a hexagonal driving body 32, and a lower connecting portion 33 sequentially arranged along a length direction thereof, an outer wall of the upper connecting portion 31 has a first external thread 310 cooperatively connected with the small nut 1, and a center of the lower connecting portion 33 has a second internal thread mounting portion 330 cooperatively connected with the inserted link body 4.
Referring to fig. 6, the inserting rod body 4 includes an inserting portion 41 and a screw portion 42 which are sequentially arranged along the length direction thereof, the screw portion 42 is screwed with the connecting piece 3, the inserting portion 41 is a cylinder, the outer diameter of the inserting portion 41 is larger than that of the inserting portion 41, a second step surface 40 is arranged between the inserting portion 41 and the second step surface, and one end of the elastic clamping piece 5 is abutted against and matched with the second step surface 40.
Referring to fig. 7 and 8, the elastic clip 5 includes an installation portion 51 and an anti-pulling clip 52, a mounting hole 510 is provided at the center of the installation portion 51, the installation portion 51 is abutted against the second step surface 40, the screw portion 42 penetrates through the mounting hole 510, a plurality of bent anti-pulling clips 52 are uniformly distributed in the circumferential direction of the installation portion 51, a cutting groove 53 is provided between adjacent anti-pulling clips 52, a sealing end of the cutting groove 53 is provided with a circular transition groove, and the end portion of each anti-pulling clip 52 is abutted against the first step surface 220. The sleeve 6 is cylindrical, and the sleeve 6 is sleeved outside the screw portion 42.
The working process of the invention is as follows:
in the installation process, firstly, the deformed steel bar is respectively assembled and fixed with the small nut 1 and the large nut 2, then the elastic clamping piece 5 and the sleeve 6 are sequentially sleeved on the inserted rod body 4, then the inserted rod body 4 sleeved with the elastic clamping piece 5 and the sleeve 6 is installed on the connecting piece 3, and finally the connecting piece 3 is installed on the small nut 1. The inserted rod body 4 with the elastic clamping piece 5 is inserted into the inner cavity of the large nut 2 along the direction F shown in fig. 2, in the process, the anti-pulling clamping piece 52 of the elastic clamping piece 5 contracts along the radial direction until the position reaches the stepped limiting ring groove 22, the elastic clamping piece 5 restores, the anti-pulling clamping piece 52 expands outwards along the radial direction, and the inserting installation is completed. When the connecting piece is pulled out in the direction opposite to the direction F, the anti-pulling clamping piece 52 is abutted and matched with the first step surface 220 to lock the inserting rod body 4, the inserting rod body 4 can be prevented from being reversely separated from the inner cavity of the large nut 2, the connection is firm after the inserting connection, and the connection strength between the tubular piles can be ensured.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides an anti-pulling prestressed pipe pile connecting piece which characterized in that: comprises a small nut (1), a large nut (2), a connecting piece (3), a jack body (4), an elastic clamping piece (5) and a sleeve (6), one end of the inserting rod body (4) is arranged at the bottom of the small nut (1) through a connecting piece (3), the other end of the inserting rod body (4) is inserted and matched with the inner cavity of the large nut (2), a stepped limiting ring groove (22) is arranged in the inner cavity of the large nut (2), the inserted link body (4) is sleeved with an elastic clamping piece (5), the elastic clamping piece (5) is matched with the stepped limiting ring groove (22) to prevent the inserted link body (4) from being reversely pulled out from the large nut (2), the step limiting ring groove (22) is provided with a first step surface (220) for preventing the elastic clamping piece (5) from being pulled out reversely, the first step surface (220) is abutted against and matched with the elastic clamping piece (5), the sleeve (6) is sleeved between the insertion rod body (4) and the elastic clamping piece (5).
2. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the center department of little nut (1) has first installation cavity (10), the one end of first installation cavity (10) is equipped with first internal thread installation department (13) with connecting piece (3) looks spiro union, the other end of first installation cavity (10) is equipped with head rod socket (11), pass through first conical surface (12) of radial shrink between first internal thread installation department (13) and head rod socket (11).
3. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the center department of big nut (2) has plug-in cavity (21), the one end in plug-in cavity (21) is equipped with the second connecting rod and inserts chamber (23), plug-in cavity (21) and second connecting rod are inserted second toper face (231) through radial shrinkage between chamber (23) and are passed through, the other end in plug-in cavity (21) has thread cavity (210), be equipped with the spacing annular of ladder (22) that have the toper outer wall in plug-in cavity (21), the spacing annular of ladder (22) reduces along the direction of insertion radial diameter of the body of bolt (4) gradually, and the big footpath end of the spacing annular of ladder (22) has first step face (220), and the path end is the same with the internal diameter in plug-in cavity (21).
4. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: connecting piece (3) are including last connecting portion (31), hexagonal driving body (32) and lower connecting portion (33) that set gradually along its length direction, the outer wall of going up connecting portion (31) has first external screw thread (310) of being connected with little nut (1) cooperatees, the center department of lower connecting portion (33) has second internal thread installation department (330) of being connected with the jack body (4) cooperatees.
5. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the utility model discloses a bolt, including the bolt body, the bolt body (4) includes insert portion (41) and the screw rod portion (42) that set gradually along its length direction, screw rod portion (42) and connecting piece (3) looks spiro union, insert portion (41) are the cylinder, and the external diameter of insert portion (41) is greater than the external diameter of insert portion (41), has second step face (40) between the two, the one end and the cooperation is leaned on in second step face (40) counterbalance of elasticity fastener (5).
6. The anti-pulling prestressed pipe pile connecting piece of claim 5, wherein: elasticity fastener (5) are including installation department (51) and resistance to plucking card (52), the center department of installation department (51) has mounting hole (510), installation department (51) and second step face (40) counterbalance lean on the cooperation, screw rod portion (42) run through mounting hole (510), the circumference equipartition of installation department (51) has resistance to plucking card (52) that a plurality of buckled, has grooving (53) between adjacent resistance to plucking card (52), the sealing end of grooving (53) is equipped with circular transition groove of crossing, the tip and the first step face (220) counterbalance of resistance to plucking card (52) lean on the cooperation.
7. The anti-pulling prestressed pipe pile connecting piece of claim 6, wherein: the sleeve (6) is cylindrical, and the sleeve (6) is sleeved outside the screw rod part (42).
CN201910915133.4A 2019-09-26 2019-09-26 Anti-pulling prestressed pipe pile connecting piece Withdrawn CN110593256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910915133.4A CN110593256A (en) 2019-09-26 2019-09-26 Anti-pulling prestressed pipe pile connecting piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910915133.4A CN110593256A (en) 2019-09-26 2019-09-26 Anti-pulling prestressed pipe pile connecting piece

Publications (1)

Publication Number Publication Date
CN110593256A true CN110593256A (en) 2019-12-20

Family

ID=68863686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910915133.4A Withdrawn CN110593256A (en) 2019-09-26 2019-09-26 Anti-pulling prestressed pipe pile connecting piece

Country Status (1)

Country Link
CN (1) CN110593256A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705950A (en) * 2020-05-11 2020-09-25 广城建设集团有限公司 High-strength assembly type shear wall structure
CN111809608A (en) * 2020-07-03 2020-10-23 浙江理工大学 Tubular pile connecting device and tubular pile manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705950A (en) * 2020-05-11 2020-09-25 广城建设集团有限公司 High-strength assembly type shear wall structure
CN111809608A (en) * 2020-07-03 2020-10-23 浙江理工大学 Tubular pile connecting device and tubular pile manufacturing method

Similar Documents

Publication Publication Date Title
CN111535309A (en) Prestressed pipe pile connecting piece
CN110593256A (en) Anti-pulling prestressed pipe pile connecting piece
CN212688935U (en) Prestressed pipe pile connecting piece
CN210423326U (en) Expansion connecting piece
CN102859207A (en) Fastener
CN211395663U (en) Anti-pulling prestressed pipe pile connecting piece
CN203560644U (en) Plug type clamp ring pipe joint
CN210770780U (en) Cutting ferrule formula pipe fitting connects
CN210034090U (en) Expansion connecting piece
CN209742896U (en) Emergency water stopping device for shield tail of shield machine
CN210066733U (en) Prestressed concrete connecting piece
CN212250720U (en) Concealed furniture jointing device
CN211118175U (en) Fire hose mounting structure
CN211256870U (en) Expanding anchoring steel strand
CN218005418U (en) Quick-connection type equipotential internal threaded pipe joint
CN217081675U (en) Auxiliary installation and restraint device for combined-row water heating pipeline
CN215482892U (en) Elastic clamping type anti-pulling mechanical joint
CN211547703U (en) Splicing retaining structure and prefabricated part combination
CN219866844U (en) Hafu joint type micro-spray pipe quick connector
CN213653444U (en) Movable connection faces disconnect-type steel forever and protects a section of thick bamboo
CN220869819U (en) Expansion bolt for repairing gecko
CN214119164U (en) Fixing device for positioning hydroelectric wire pipe
CN212959695U (en) Connecting device for automatically locking rope head of steel wire rope
CN220013643U (en) Adapter for tubular pile connection
CN220521177U (en) Anchor for cable guardrail cable connection

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20191220