CN216865130U

CN216865130U - Waterproof construction of stake junction is met to prestressing force high-strength concrete pipe pile

Info

Publication number: CN216865130U
Application number: CN202122924330.8U
Authority: CN
Inventors: 陈永; 赖伟; 陈丹林; 雷勇; 田晋文; 胥杰; 黄裕伟; 黄婷; 殷杰; 张洪伟
Original assignee: Sichuan Road & Bridge Shengtong Building Engineering Co ltd
Current assignee: Sichuan Road & Bridge Shengtong Building Engineering Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-01
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a waterproof structure for a pile extension joint of a prestressed high-strength concrete pipe pile. Including first body, the outer wall cover of first body is equipped with first ring flange, the below of first body is provided with the second body, the outer wall cover of second body is equipped with the second ring flange. Compared with the traditional pipe pile design, the waterproof structure for the pile connecting joint of the prestressed high-strength concrete pipe pile provided by the utility model adopts the first clamping sleeve and the second clamping sleeve which are of two opposite conical structures and are stressed and clamped, so that the first flange plate and the second flange plate are conveniently connected and pre-tightened, the gap between the first flange plate and the second flange plate can be reduced to the maximum extent, the later-stage welding is facilitated, the good waterproof effect is achieved, and the first pipe body and the second pipe body are enabled to be provided by the embedded U-shaped rubber ring, so that the condition that water enters the interior of the concrete due to external water seepage can be effectively prevented.

Description

Waterproof construction of stake junction is met to prestressing force high-strength concrete pipe pile

Technical Field

The utility model relates to the technical field of pipe piles, in particular to a waterproof structure of a pile extension joint of a prestressed high-strength concrete pipe pile.

Background

Concrete tubular piles are pre-tensioned prestressed concrete tubular piles which are produced in bridge factories and are mainly used for the foundation construction of railway bridge engineering, and the tubular piles are divided into post-tensioned prestressed tubular piles and pre-tensioned prestressed tubular piles, prestressed concrete thin-wall tubular piles and high-strength prestressed concrete tubular piles, so that the tubular piles play an important role in the construction of modern civil engineering, but the joints of the tubular piles need to be subjected to waterproof treatment when the tubular piles are connected.

The waterproof construction of tubular pile extension junction in the existing market exists in the installation and use, and the inside between the junction of tubular pile can not carry out fine water repellent, causes the inside condition of intaking that outside infiltration caused very easily to the tubular pile causes the clearance of seam crossing very easily when the installation great, influences later stage welded problem easily.

Therefore, it is necessary to provide a waterproof structure for a prestressed high-strength concrete pipe pile extension joint to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof structure for pile-connecting joints of prestressed high-strength concrete pipe piles, which solves the problems that the interior between the joints of the pipe piles cannot be well subjected to waterproof treatment, the condition of internal water inflow caused by external water seepage is easily caused, gaps at seams are easily large when the pipe piles are installed, and later-stage welding is easily influenced.

In order to solve the technical problems, the waterproof structure for the pile extension joint of the prestressed high-strength concrete pipe pile comprises a first pipe body, wherein a first flange is sleeved on the outer wall of the first pipe body, a second pipe body is arranged below the first pipe body, a second flange is sleeved on the outer wall of the second pipe body, a sealing assembly is installed on one side, opposite to the first pipe body and the second pipe body, of the first pipe body, a plurality of positioning holes are formed in the outer walls of the first flange and the second flange, pins are embedded inside the positioning holes, and a connecting assembly is installed outside the first flange and the second flange.

Preferably, the plurality of positioning holes are distributed in an equidistant array relative to the axes of the first flange plate and the second flange plate.

Preferably, the sealing assembly comprises a connection plate installed on the upper surface of the second pipe body, counter bores distributed at equal intervals are formed in the upper surface of the connection plate, a limiting groove is formed in the axis of the connection plate, and a rubber ring is embedded in the limiting groove.

Preferably, the connection plate is fixedly installed on the upper surface of the second pipe body by using an expansion bolt, and the cross section of the rubber ring is in a U-shaped structure.

Preferably, coupling assembling includes a plurality of first cutting ferrule of block in first ring flange upper surface, the lower surface block of second ring flange is in a plurality of second cutting ferrule, a plurality of spacing holes of going up have been seted up to the upper surface of first ring flange, a plurality of spacing holes of going down have been seted up to the lower surface of second ring flange, and is a plurality of first cutting ferrule is with a plurality of the steel cable has all been run through to the inside of second cutting ferrule, and is a plurality of the top of steel cable all is fixed with the stopper.

Preferably, the cross sections of the first cutting ferrule and the second cutting ferrule are both in a tapered configuration with a wide top and a narrow bottom.

Compared with the prior art, the waterproof structure at the pile extension joint of the prestressed high-strength concrete pipe pile provided by the utility model has the following beneficial effects:

to this device design coupling assembling, compare in traditional tubular pile design, this device adopts first cutting ferrule and the second cutting ferrule of two relative toper structures, and make it carry out the atress and press from both sides tightly, not only conveniently connect the pretension to first ring flange and second ring flange like this, clearance between first ring flange of reduction and the second ring flange of maximize also, not only conveniently carry out the later stage welding and still played fine water-proof effects, it has seal assembly still to design simultaneously, make its first body and second body through adopting embedded "U" type rubber ring, the condition of intaking inside the concrete that can effectually prevent outside infiltration and cause like this.

Drawings

Fig. 1 is a schematic structural view of a waterproof structure at a pile extension joint of a prestressed high-strength concrete pipe pile according to a preferred embodiment of the present invention;

fig. 2 is a schematic view of a disassembled structure of the first flange and the second flange shown in fig. 1;

FIG. 3 is a schematic view of the seal assembly shown in FIG. 1 in a disassembled configuration;

fig. 4 is a schematic view of the connecting assembly shown in fig. 1.

Reference numbers in the figures: 1. a first pipe body; 2. a first flange plate; 3. a second tube body; 4. a second flange plate; 5. a seal assembly; 51. a connector tile; 52. a counter bore; 53. a limiting groove; 54. a rubber ring; 6. positioning holes; 7. a pin; 8. a connecting assembly; 81. a first ferrule; 82. a second ferrule; 83. an upper limiting hole; 84. a lower limiting hole; 85. a wire rope; 86. and a limiting block.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural view of a waterproof structure at a connection of a prestressed high-strength concrete pipe pile and pile extension according to a preferred embodiment of the present invention; fig. 2 is a schematic view of a disassembled structure of the first flange and the second flange shown in fig. 1; FIG. 3 is a schematic view of the seal assembly shown in FIG. 1 in a disassembled configuration; fig. 4 is a schematic view of the connecting assembly shown in fig. 1. The utility model provides a waterproof construction of prestressing force high-strength concrete tubular pile extension junction, including first body 1, the outer wall cover of first body 1 is equipped with first ring flange 2, the below of first body 1 is provided with second body 3, the outer wall cover of second body 3 is equipped with second ring flange 4, seal assembly 5 is installed to first body 1 and the relative one side of second body 3, a plurality of locating holes 6 have been seted up with the outer wall of second ring flange 4 to first ring flange 2, the inside of a plurality of locating holes 6 is all embedded to have pin 7, first ring flange 2 has coupling assembling 8 with the externally mounted of second ring flange 4.

The positioning holes 6 are distributed in an equidistant array mode on the axes of the first flange plate 2 and the second flange plate 4, and the pins 7 can be conveniently mounted by the aid of the equidistant distribution design.

The sealing assembly 5 comprises a connecting plate 51 installed on the upper surface of the second pipe body 3, counter bores 52 distributed at equal intervals are formed in the upper surface of the connecting plate 51, a limiting groove 53 is formed in the axis of the connecting plate 51, and a rubber ring 54 is embedded in the limiting groove 53.

The connector plate 51 is fixedly mounted to the upper surface of the second tubular body 3 by means of expansion bolts, and the rubber ring 54 is of a "U" shaped configuration in cross section.

Coupling assembling 8 includes a plurality of first cutting ferrule 81 of block in first ring flange 2 upper surface, and the lower surface block of second ring flange 4 is in a plurality of second cutting ferrule 82, and a plurality of spacing holes 83 on have been seted up to the upper surface of first ring flange 2, and a plurality of spacing holes 84 under have been seted up to the lower surface of second ring flange 4, and a plurality of first cutting ferrule 81 all run through with the inside of a plurality of second cutting ferrule 82 has steel cable 85, and the top of a plurality of steel cables 85 all is fixed with stopper 86.

The cross sections of the first and second ferrules 81 and 82 are tapered with wide top and narrow bottom, so that the cable 85 can be clamped and fastened bidirectionally by adopting the tapered design.

The working principle of the waterproof structure at the pile extension joint of the prestressed high-strength concrete pipe pile provided by the utility model is as follows:

firstly, a user needs to insert an expansion bolt into the counter bore 52 before using the connector plate 51 and the second pipe body 3 by rotating the expansion bolt, the rubber ring 54 is placed inside the limiting groove 53 after the installation is finished, the bottom plate of the first pipe body 1 is attached to the top of the second pipe body 3 by the user after the placement is finished, then the user sleeves the first flange plate 2 and the second flange plate 4 in the first pipe body 1 and the second pipe body 3 respectively, a gap between the first flange plate 2 and the second flange plate 4 is attached after the sleeve is finished, then the user inserts the pin 7 into the positioning hole 6 for fastening, finally the user inserts the first sleeve 81 and the second sleeve 82 into the upper limiting hole 83 and the lower limiting hole 84 respectively in sequence, then the sleeve penetrates the steel cable 85 into the second sleeve 82 from the first sleeve 81, and then, the steel cable 85 is pulled forcefully to enable the limiting block 86 to control the first clamping sleeve 81 to bear force, at the moment, the first conical clamping sleeve 81 is stressed and contracted to clamp the steel cable 85, and finally, a user knocks the second clamping sleeve 82 to enable the second clamping sleeve 82 to be locked inwards to be tightly connected with the steel cable 85 in a fastening mode, so that the size of a gap between the first flange plate 2 and the second flange plate 4 can be reduced, and the user welds the gap after connection is completed.

to this device design there is coupling assembling 8, compare in traditional tubular pile design, this device adopts first cutting ferrule 81 and the second cutting ferrule 82 of two relative toper structures, and make it carry out the atress and press from both sides tightly, so not only conveniently connect the pretension to first ring flange 2 and second ring flange 4, the clearance between first ring flange 2 of reduction that can also maximize and the second ring flange 4, not only conveniently carry out the later stage welding and still played fine water-proof effects, it has seal assembly 5 to still design simultaneously, make its first body 1 and second body 3 through adopting embedded "U" type rubber ring 54, the condition of intaking inside the concrete that can effectually prevent outside infiltration and cause like this.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a waterproof construction of prestressing force high strength concrete tubular pile extension junction, includes first body (1), its characterized in that: the outer wall cover of first body (1) is equipped with first ring flange (2), the below of first body (1) is provided with second body (3), the outer wall cover of second body (3) is equipped with second ring flange (4), seal assembly (5) are installed to the relative one side of first body (1) and second body (3), a plurality of locating holes (6) have been seted up with the outer wall of second ring flange (4) in first ring flange (2), and are a plurality of the inside of locating hole (6) is all embedded to have pin (7), there are coupling assembling (8) in first ring flange (2) and the externally mounted of second ring flange (4).

2. The waterproof structure of a prestressed high-strength concrete pipe pile extension joint as claimed in claim 1, wherein the plurality of positioning holes (6) are distributed in an equidistant array with respect to the axial centers of the first flange (2) and the second flange (4).

3. The waterproof structure of a prestressed high-strength concrete pipe pile extension joint according to claim 1, wherein the sealing assembly (5) comprises a connecting plate (51) installed on the upper surface of the second pipe body (3), counter bores (52) distributed at equal intervals are formed in the upper surface of the connecting plate (51), a limiting groove (53) is formed in the axis of the connecting plate (51), and a rubber ring (54) is embedded in the limiting groove (53).

4. A waterproof structure of a prestressed high-strength concrete pipe pile extension junction according to claim 3, wherein said joint plate (51) is fixedly installed with the upper surface of the second pipe body (3) by using an expansion bolt, and said rubber ring (54) has a "U" shaped configuration in cross section.

5. The waterproof structure of a prestressed high-strength concrete pipe pile extension junction as claimed in claim 1, characterized in that the connecting assembly (8) comprises a plurality of first clamping sleeves (81) clamped on the upper surface of the first flange plate (2), the lower surface of the second flange plate (4) is clamped on a plurality of second clamping sleeves (82), a plurality of upper limiting holes (83) are formed in the upper surface of the first flange plate (2), a plurality of lower limiting holes (84) are formed in the lower surface of the second flange plate (4), the first clamping sleeves (81) and the second clamping sleeves (82) are provided with steel cables (85) penetrating through the insides of the second clamping sleeves (82), and the tops of the steel cables (85) are fixed with limiting blocks (86).

6. The waterproof structure of a prestressed high-strength concrete pipe pile extension joint according to claim 5, wherein the cross sections of the first cutting ferrule (81) and the second cutting ferrule (82) are all of a tapered structure with a wide top and a narrow bottom.