CN211898349U - End face mechanical connection structure of prestressed pipe pile - Google Patents

End face mechanical connection structure of prestressed pipe pile Download PDF

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Publication number
CN211898349U
CN211898349U CN201922253193.2U CN201922253193U CN211898349U CN 211898349 U CN211898349 U CN 211898349U CN 201922253193 U CN201922253193 U CN 201922253193U CN 211898349 U CN211898349 U CN 211898349U
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annular
end plate
semi
plate
ring plate
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CN201922253193.2U
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董建军
陈传明
柳治富
连世杰
宋涛
刘春波
王少锋
杜原会
刘顺凯
时永男
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Weihai Nanhai Qide Assembly Construction Technology Co ltd
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Weihai Nanhai Qide Assembly Construction Technology Co ltd
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Abstract

The utility model relates to the technical field of prestressed pipe piles, in particular to an end face mechanical connection structure of prestressed pipe piles, which is characterized in that the mechanical connection structure consists of an upper connection end plate, a lower connection end plate, a left connection semi-ring plate and a right connection semi-ring plate, the middle parts of the upper connection end plate and the lower connection end plate are provided with annular positioning holes, the annular positioning holes of the upper connection end plate or the lower connection end plate are provided with positioning bulges inserted into the annular positioning holes of the lower connection end plate or the upper connection end plate, the outer wall of the upper connection end plate or the lower connection end plate is provided with an annular groove, the inner sides of the left connection semi-ring plate and the right connection semi-ring plate are provided with an upper annular groove and a lower annular bulge matched with the annular groove of the upper connection end plate and the annular groove of the lower connection end plate, the left connection ring plate and the right connection ring plate are welded after the annular bulges and the annular grooves are matched and butted to realize, has the advantages of simple structure, low cost, easy construction, reliable quality and the like.

Description

End face mechanical connection structure of prestressed pipe pile
Technical Field
The utility model belongs to the technical field of the prestressed pipe pile technique and specifically relates to a simple structure, with low costs, easy construction, quality are reliable, be favorable to improving prestressed pipe pile extension quality, improve the terminal surface mechanical connection structure of prestressed pipe pile of tubular pile construction speed.
Background
As is well known, the prestressed concrete tubular pile has the advantages of strong quality controllability, high single-pile bearing capacity, wide design and selection range, high construction speed, low manufacturing cost, multiple tubular pile outer diameter specifications, convenience in transportation, hoisting and pile sinking and the like, can be used for foundation treatment and industrial plants, can also be used for multi-story and high-rise buildings, and is widely used in building foundation foundations. When the pipe pile is constructed, a plurality of piles are generally connected to achieve the bearing capacity required by the upper structure, and the pile splicing quality is particularly important. At present, most of tubular piles are connected by traditional welding, which requires that operators have higher welding water level and work responsibility, otherwise, the quality is difficult to guarantee, each joint is welded for about 20 minutes, the construction can be continued after the seam to be welded is naturally cooled for 8 minutes, the pile connecting technology consumes too much time, and the construction efficiency is greatly influenced. The traditional mechanical connection structure is complex and the end plate processing difficulty is large.
Disclosure of Invention
The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, with low costs, easy construction, quality are reliable, be favorable to improving the terminal surface mechanical connection structure of prestressing force tubular pile extension quality, improvement tubular pile construction speed.
The utility model provides a technical scheme that its technical problem adopted is:
a mechanical connecting structure for the end face of a prestressed pipe pile is characterized in that the mechanical connecting structure consists of an upper connecting end plate, a lower connecting end plate, a left connecting semi-ring plate and a right connecting semi-ring plate, the middle parts of the upper connecting end plate and the lower connecting end plate are provided with annular positioning holes, the annular positioning holes of the upper connecting end plate or the lower connecting end plate are provided with positioning bulges inserted into the annular positioning holes of the lower connecting end plate or the upper connecting end plate, the outer wall of the upper connecting end plate or the lower connecting end plate is provided with an annular groove, the inner sides of the left connecting semi-ring plate and the right connecting semi-ring plate are provided with an upper annular bulge and a lower annular bulge which are matched with the annular groove of the upper connecting end plate and the annular groove of the lower connecting end plate, the left connecting semi-ring plate and the right connecting semi-ring plate are connected with each other by the matching and butt joint of the annular bulge and the annular groove and then welded to realize the connection of the upper connecting end plate and the lower connecting end plate.
The outside of left side connection semi-ring board and right side connection semi-ring board be equipped with the supplementary clamp of welding, the supplementary clamp of welding constitute by left annular clamp and right annular clamp, the both ends correspondence of left side annular clamp and right annular clamp be equipped with towards the crooked locking plate of outside top or outside below bending towards, the locking plate on be equipped with the locking hole, the downthehole locking bolt that is equipped with of locking, locking bolt passes the locking hole through lock nut fixed connection, realizes through left annular clamp and right annular clamp that the butt joint is inseparable between left side connection semi-ring board and the right side connection semi-ring board to convenient welding.
The arc length of left side annular clamp and right side annular clamp be less than the arc length of left side connection semi-ring board and right side connection semi-ring board respectively, make and form weld gap, convenient welding between the locking plate on left arc clamp after the butt joint and the right arc clamp.
The locking board at left side annular clamp and right annular clamp both ends bend towards outside top respectively with towards outside below bending, make left annular clamp and right annular clamp atress even, the locking effect is better.
The mechanical connection structure of the utility model is composed of an upper connection end plate, a lower connection end plate, a left connection semi-ring plate and a right connection semi-ring plate, wherein the middle parts of the upper connection end plate and the lower connection end plate are provided with annular positioning holes, the annular positioning holes of the upper connection end plate or the lower connection end plate are provided with positioning bulges inserted into the annular positioning holes of the lower connection end plate or the upper chain end plate, the outer wall of the upper connection end plate or the lower connection end plate is provided with an annular groove, the inner sides of the left connection semi-ring plate and the right connection semi-ring plate are provided with an upper annular groove and a lower annular bulge which are matched with the annular groove of the upper connection end plate and the annular groove of the lower connection end plate, the left connection semi-ring plate and the right connection semi-ring plate are welded after the matching and butting of the annular bulges and the annular grooves to realize the connection of the upper connection end plate and the lower connection end plate, the outer sides of the left, the auxiliary welding clamp comprises a left annular clamp and a right annular clamp, locking plates bent towards the upper part of the outer side or towards the lower part of the outer side are correspondingly arranged at two ends of the left annular clamp and the right annular clamp, locking holes are formed in the locking plates, locking bolts are arranged in the locking holes and penetrate through the locking holes to be fixedly connected through locking nuts, the left connecting semi-ring plate and the right connecting semi-ring plate are tightly butted through the left annular clamp and the right annular clamp, welding is facilitated, the arc lengths of the left annular clamp and the right annular clamp are respectively smaller than the arc lengths of the left connecting semi-ring plate and the right connecting semi-ring plate, a welding gap is formed between the butted locking plates on the left annular clamp and the right annular clamp, welding is facilitated, the locking plates at two ends of the left annular clamp and the right annular clamp are respectively bent towards the upper part of the outer side and bent towards the lower part of the outer side, the left annular clamp and the right annular clamp are stressed uniformly, the locking effect is better, and the locking device has the advantages of simple structure, low cost, easiness in construction, reliable quality, contribution to improving the pile splicing quality of the prestressed pipe pile, improvement on the construction speed of the pipe pile and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view illustrating the present invention.
Fig. 3 is an assembly view of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, an end face mechanical connection structure of a prestressed pipe pile is characterized in that the mechanical connection structure consists of an upper connection end plate 1, a lower connection end plate 2, a left connection semi-ring plate 3 and a right connection semi-ring plate 4, the middle parts of the upper connection end plate 1 and the lower connection end plate 2 are provided with annular positioning holes 5, the annular positioning holes 5 of the upper connection end plate 1 or the lower connection end plate 2 are provided with positioning protrusions 6 inserted into the annular positioning holes 5 of the lower connection end plate 2 or the upper chain connection end plate, the outer wall of the upper connection end plate 1 or the lower connection end plate 2 is provided with annular grooves 7, the inner sides of the left connection semi-ring plate 3 and the right connection semi-ring plate 4 are provided with an upper annular groove 7 and a lower annular protrusion 8 matched with the annular groove 7 of the upper connection end plate 1 and the annular groove 7 of the lower connection end plate 2, the left connection semi-ring plate 3 and the right connection semi-ring plate 4 are welded to realize the upper connection end plate 1 and the lower connection end The connection of the connection end plate 2, the outside of the left connection semi-ring plate 3 and the right connection semi-ring plate 4 is provided with a welding auxiliary clamp, the welding auxiliary clamp is composed of a left annular clamp 9 and a right annular clamp 10, the two ends of the left annular clamp 9 and the right annular clamp 10 are correspondingly provided with a locking plate 11 which is bent towards the upper part of the outer side or towards the lower part of the outer side, the locking plate 11 is provided with a locking hole 12, a locking bolt is arranged in the locking hole 12, the locking bolt passes through the locking hole 12 and is fixedly connected by a locking nut, the left connection semi-ring plate 3 and the right connection semi-ring plate 4 are tightly butted and conveniently welded through the left annular clamp 9 and the right annular clamp 10, the arc lengths of the left annular clamp 9 and the right annular clamp 10 are respectively smaller than the arc lengths of the left connection semi-ring plate 3 and the right connection semi-ring plate 4, and a welding gap is formed between the locking plates 11 on the left annular clamp 9 and the right annular clamp 10 after butt, convenient welding, the locking plate 11 at left side annular clamp and right annular clamp 10 both ends crooked towards outside top and crooked towards outside below respectively, make left annular clamp 9 and right annular clamp 10 atress even, the locking effect is better.
The utility model has the advantages as follows:
1. the integral connection structure consists of an upper connection end plate 1, a lower connection end plate 2, a left connection semi-ring plate 3 and a right connection semi-ring plate 4, and has the advantages of simple structure, low cost, easy construction and reliable quality.
2. The upper connecting end plate 1 and the lower connecting end plate 2 are positioned by the positioning bulge 6, so that the shear force and the bending moment are borne, the straightness of the pile body is improved, and the shearing resistance is improved.
3. And the left connecting semi-ring plate 3 and the right connecting semi-ring plate 4 are welded at the joint after being fixed by the auxiliary welding clamp, so that the requirement of tensile force is met.
4. The welding is assisted to the clamp longitudinal symmetry, and the fastening power is used on the clamp, but also avoids the position of the weld joint simultaneously.
The welding process comprises the following steps: after the upper and lower connecting end plates 2 are butted, the connecting semi-ring plate is inserted into the annular groove 7, the welding auxiliary hoop is used for fixing and clamping, 2 semi-circular clamping ring plates are ensured to be completely clamped, 2 welding seams in the 180-degree direction are filled and welded, the welding surplus height is 0-2mm, and the welding seam strength is required to reach the base metal strength; and detaching the auxiliary clamp after welding.
When the utility model is used, firstly, a proper mechanical connection structure is selected according to the size of a tubular pile, then an upper connection end plate 1 and a lower connection end plate 2 are respectively connected on the upper tubular pile and the lower tubular pile, then the upper connection end plate 1 on the upper tubular pile and the connection end plate of the lower tubular pile are positioned and butted through a positioning bulge 6, after the butting is finished, a left connection semi-ring plate 3 and a right connection semi-ring plate 4 are respectively butted in an annular groove 7 of the upper connection end plate 1 and the lower connection end plate 2, then the left connection semi-ring plate 3 and the right connection semi-ring plate 10 are embraced on the outer wall of the left connection semi-ring plate 3 and the right connection semi-ring plate 4, the left annular clamp 9 and the right annular clamp 10 are locked and butted through a locking nut and a locking bolt, further, the left connection semi-ring plate 3 and the right connection semi-ring plate 4 are butted, a gap between the left connection semi-ring plate 3 and the right connection semi-ring plate 4 is exposed at the welding gap where the left annular clamp 9, then welding the gap between the left connecting semi-ring plate 3 and the right connecting semi-ring plate 4 through a welding gap, and detaching a left annular clamp 9 and a right annular clamp 10 after welding for reuse, because the mechanical connecting structure consists of an upper connecting end plate 1, a lower connecting end plate 2, a left connecting semi-ring plate 3 and a right connecting semi-ring plate 4, the middle parts of the upper connecting end plate 1 and the lower connecting end plate 2 are provided with annular positioning holes 5, the annular positioning holes 5 of the upper connecting end plate 1 or the lower connecting end plate 2 are provided with positioning bulges 6 inserted into the annular positioning holes 5 of the lower connecting end plate 2 or the upper chain connecting end plate, the outer wall of the upper connecting end plate 1 or the lower connecting end plate 2 is provided with an annular groove 7, the inner sides of the left connecting semi-ring plate 3 and the right connecting semi-ring plate 4 are provided with an upper annular bulge 8 and a lower bulge which are matched with the annular groove 7 of the upper connecting end plate 1 and the annular groove 7 of the lower connecting end plate 2, left side connect half ring board 3 and right side connect half ring board 4 through annular protrusion 8 and annular groove 7 cooperation butt joint back looks welding realization connection end plate 1 and the connection of connecting end plate 2 down, the outside of left side connect half ring board 3 and right side connect half ring board 4 be equipped with welding auxiliary clamp, welding auxiliary clamp constitute by left annular clamp 9 and right annular clamp 10, the both ends correspondence of left side annular clamp 9 and right annular clamp be equipped with towards outside top bending or towards outside below bending's locking plate 11, locking plate 11 on be equipped with locking hole 12, be equipped with locking bolt in the locking hole 12, locking bolt passes locking hole 12 through lock nut fixed connection, realizes through left annular clamp 9 and right annular clamp 10 that butt joint is inseparable between left side connect half ring board 3 and the right side connect half ring board 4 to convenient welding, left side annular clamp 9 and right annular clamp 10 arc length be less than respectively left side connect half ring board 3 and right side connect half ring board 4 and connect half ring board 4 The arc length of make and form weld gap between the locking plate 11 on the left annular clamp 9 after the butt joint and the right annular clamp 10, convenient welding, the locking plate 11 at left annular clamp and right annular clamp 10 both ends respectively towards outside top bending and towards outside below bending, make left annular clamp 9 and right annular clamp 10 atress even, the locking effect is better, has simple structure, with low costs, easy construction, the quality is reliable, be favorable to improving prestressing force tubular pile connects advantages such as stake quality, improvement tubular pile construction speed.

Claims (4)

1. A mechanical connecting structure for the end face of a prestressed pipe pile is characterized in that the mechanical connecting structure consists of an upper connecting end plate, a lower connecting end plate, a left connecting semi-ring plate and a right connecting semi-ring plate, the middle parts of the upper connecting end plate and the lower connecting end plate are provided with annular positioning holes, the annular positioning holes of the upper connecting end plate or the lower connecting end plate are provided with positioning bulges inserted into the annular positioning holes of the lower connecting end plate or the upper connecting end plate, the outer wall of the upper connecting end plate or the lower connecting end plate is provided with an annular groove, the inner sides of the left connecting semi-ring plate and the right connecting semi-ring plate are provided with an upper annular bulge and a lower annular bulge which are matched with the annular groove of the upper connecting end plate and the annular groove of the lower connecting end plate, the left connecting semi-ring plate and the right connecting semi-ring plate are connected with each other by the matching and butt joint of the annular bulge and the annular groove and then welded to realize the connection of the upper connecting end plate and the lower connecting end plate.
2. The end face mechanical connection structure of the prestressed pipe pile of claim 1, characterized in that the outside of the left connecting semi-ring plate and the right connecting semi-ring plate is provided with a welding auxiliary clamp, the welding auxiliary clamp consists of a left annular clamp and a right annular clamp, the two ends of the left annular clamp and the right annular clamp are correspondingly provided with locking plates which are bent towards the upper part of the outer side or towards the lower part of the outer side, the locking plates are provided with locking holes, locking bolts are arranged in the locking holes and penetrate through the locking holes and fixedly connected through locking nuts, and the left connecting semi-ring plate and the right connecting semi-ring plate are tightly butted through the left annular clamp and the right annular clamp.
3. The mechanical end connection structure of a prestressed pipe pile according to claim 2, wherein the arc lengths of the left annular clamp and the right annular clamp are respectively smaller than the arc lengths of the left connecting semi-ring plate and the right connecting semi-ring plate, so that a welding gap is formed between the locking plates on the left annular clamp and the right annular clamp after butt joint.
4. The mechanical connection structure for the end faces of the prestressed tubular pile according to claim 2 or 3, wherein the locking plates at the two ends of the left annular hoop and the right annular hoop are respectively bent towards the upper part of the outer side and the lower part of the outer side, so that the left annular hoop and the right annular hoop are uniformly stressed.
CN201922253193.2U 2019-12-16 2019-12-16 End face mechanical connection structure of prestressed pipe pile Active CN211898349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922253193.2U CN211898349U (en) 2019-12-16 2019-12-16 End face mechanical connection structure of prestressed pipe pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922253193.2U CN211898349U (en) 2019-12-16 2019-12-16 End face mechanical connection structure of prestressed pipe pile

Publications (1)

Publication Number Publication Date
CN211898349U true CN211898349U (en) 2020-11-10

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ID=73293146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922253193.2U Active CN211898349U (en) 2019-12-16 2019-12-16 End face mechanical connection structure of prestressed pipe pile

Country Status (1)

Country Link
CN (1) CN211898349U (en)

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