CN213329002U

CN213329002U - Connecting structure of conical anchoring sleeve

Info

Publication number: CN213329002U
Application number: CN202021995012.XU
Authority: CN
Inventors: 杨余明; 杨飞; 史文力
Original assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Current assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-01
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to a telescopic connection structure of toper anchor for the connection of precast pile, a plurality of top cylinder is connected to the one end of precast pile, a plurality of anchor sleeve is connected to the other one end of precast pile, the top cylinder is a ducted body, anchor sleeve is a ducted body, connection structure includes an expansion inflation connection structure, expansion inflation connection structure sets up the top cylinder, expansion inflation connection structure includes an expansion pole and an expansion connecting rod, the one end of expansion connecting rod is connected the top cylinder, the other one end of expansion connecting rod is connected the expansion pole. The utility model discloses a telescopic connection structure's of toper anchor connection mode has improved connection stability, increases pile foundation security, and the increase of service life has improved the benefit of enterprise.

Description

Connecting structure of conical anchoring sleeve

Technical Field

The utility model relates to a connection structure especially relates to a telescopic connection structure of toper anchor that is used for rigid connection spare for precast pile to use.

Background

With the improvement of the importance degree of modern buildings and the continuous increase of the building height, higher requirements are put forward on the bearing capacity of the foundation, the natural foundation cannot better bear the load transmitted by the upper building, so when the natural foundation is used for covering the building, a treatment mode for enhancing the bearing capacity is provided, namely reinforced concrete is used as a foundation precast pile of the foundation, and a pile press machine is used for pressing the pile into the ground to enable the upper part of the precast pile to bear the building.

The precast piles are usually connected by welding or mechanical connection, although the welding mode is widely used, the welding quality requirement is high, the welding time is long, and after the connection, the steel plates react with chloride in soil for a long time to generate rust, so that the connection quality is reduced or disconnected. The manufacturers of precast piles therefore strive to develop mechanical joints and create a method for joining plug elements. The inserted bar or the connecting piece that are commonly used at present easily cause not hard up with the jack between, influence the connection quality, increase the place that promotes in the aspect of connecting stably.

The prior art therefore also has room for improvement.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims at providing a can dock the installation, realize quick construction's telescopic connection structure of toper anchor to solve prior art's technical problem.

In order to achieve the above object, the present invention provides a connecting structure of a conical anchoring sleeve for connecting a precast pile, wherein one end of the precast pile is connected to a plurality of top cylinders, the other end of the precast pile is connected to a plurality of anchoring sleeves, the top cylinder is a hollow body, the anchoring sleeve is a hollow body, the connecting structure comprises an expansion and expansion connecting structure, the expansion and expansion connecting structure is arranged on the top cylinder, the expansion and expansion connecting structure comprises an expansion rod and an expansion connecting rod, one end of the expansion connecting rod is connected to the top cylinder, and the other end of the expansion connecting rod is connected to the expansion rod; the outer surface of the anchoring sleeve comprises at least one connecting part surface, and the connecting part surface is a polygonal surface.

According to the preferred embodiment of the present invention, the inner edge of the anchoring sleeve is a threaded surface, a tapered surface and an axial straight surface in sequence, and a radial surface is included between the tapered surface and the axial straight surface.

In accordance with a preferred embodiment of the present invention, the anchoring sleeve further comprises a sleeve portion surface, the connecting portion surface is at one end of the threaded surface, and the sleeve portion surface is a tapered surface.

According to the connection structure of the preferred embodiment of the present invention, the expansion connection rod includes an expansion portion and a rod body portion, the rod body portion is a cylinder, the expansion portion includes a plurality of fan-shaped columns, a gap exists between the fan-shaped columns, and the gap connects the center of the expansion portion; the body portion includes at least a portion of external threads.

According to the utility model discloses a connection structure, the expansion link includes insertion portion and support portion, support portion is a cylinder, insertion portion includes a plurality of triangle-shaped cylinders, insertion portion connects the terminal surface cooperation of expansion link the clearance, the both sides face of triangle-shaped cylinder is the triangle-shaped face.

According to the preferred embodiment of the present invention, the expansion rod further comprises a tip body, the tip body is disposed on the end surface of the insertion portion, the tip body comprises a plurality of triangular plate bodies, the bottom surface of the triangular plate bodies is connected with the end surface of the triangular cylinder, and the upper end points of the triangular plate bodies form tips.

The utility model discloses a design thought is, designs a rigid connection spare for precast pile, adopts the mode that the anchor is connected, also uses expansion joint pole cooperation anchor sleeve exactly, with two liang of connections of precast pile, mainly improved expansion joint pole and anchor telescopic connection precision to set up multiple insurance, guarantee under the normal use that hookup location is not hard up, solve the displacement of small size, extreme condition still can satisfy the requirement of withdrawal resistance, improves connection stability, increases pile foundation security, increase service life.

Compared with the prior art, the utility model has the advantages of it is following:

1. the connecting piece improves the connecting precision and is more efficient to connect;

2. the multi-insurance is arranged, so that the connection position is ensured not to be loosened;

3. the utility model provides a telescopic connection structure's of toper anchor connection mode has improved connection stability, increases pile foundation security, and the increase of service life has improved the benefit of enterprise.

Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.

Drawings

FIG. 1 is a exploded view of the tapered anchoring sleeve connection of the present application;

FIG. 2 is a schematic illustration of the insertion of the tapered anchoring sleeve connection of the present application;

FIG. 3 is a exploded view of another tapered anchoring sleeve connection configuration of the present application;

FIG. 4 is a schematic illustration of the insertion of another tapered anchoring sleeve connection according to the present application;

FIG. 5 is a cut-away schematic view of the anchor sleeve of the present application;

FIG. 6 is a perspective schematic view of an anchoring sleeve of the present application;

FIG. 7 is a schematic top view of the anchoring sleeve of FIG. 5;

FIG. 8 is a cutaway view of another anchor sleeve of the present application;

FIG. 9 is a perspective schematic view of another anchoring sleeve of the present application;

FIG. 10 is a top schematic view of the anchoring sleeve of FIG. 8;

FIG. 11 is a cut-away schematic view of yet another anchoring sleeve of the present application;

FIG. 12 is a perspective schematic view of yet another anchoring sleeve of the present application;

FIG. 13 is a schematic top view of the anchor sleeve of FIG. 11;

FIG. 14 is a schematic view of an expansion joint of the present application;

FIG. 15 is a top view of FIG. 14;

FIG. 16 is another schematic view of the expansion joint of the present application;

FIG. 17 is yet another schematic view of the expansion joint rod of the present application;

fig. 18 is a perspective view of an expansion rod of the present application;

FIG. 19 is a front view of an expansion rod of the present application;

FIG. 20 is a top view of FIG. 18;

fig. 21 is another schematic view of an expansion rod of the present application.

Detailed Description

The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.

The present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a schematic exploded and inserted view of the connection structure of the tapered anchoring sleeve of the present application; the utility model provides a connection structure of toper anchor sleeve is used for the connection of precast pile, a plurality of top section of thick bamboo 1 is connected to the one end of precast pile, a plurality of anchor sleeve 10 is connected to the other end of precast pile, the top section of thick bamboo is a ducted body, anchor sleeve 10 is a ducted body, connection structure includes an expansion inflation connection structure, expansion inflation connection structure sets up the top section of thick bamboo, as shown in FIG. 2, in the embodiment of this application, expansion inflation connection structure with the top section of thick bamboo is the mode fixed connection who adopts threaded connection, but can not be used for restricting this application. In the embodiment of fig. 1 of the present application, the outer surface of the anchoring sleeve 10 is as shown in fig. 6 and 7, but this is not intended to limit the present application, and other embodiments as shown in fig. 9 and 10 or other embodiments as shown in fig. 12 and 13 are intended to be within the scope of the present application.

As shown in fig. 1, the expansion and expansion connection structure comprises an expansion rod 21 and an expansion connection rod 22, before the precast pile construction connection, the expansion connection rod 22 is a straight rod, as shown in fig. 2, when the precast piles are close to each other two by two, the expansion rod 21 is gradually inserted into the expansion connection rod 22, so that a part of the expansion connection rod 22 is bent outwards to contact with the inner wall of the anchoring sleeve 10, and a stable connection is formed.

Referring to fig. 3 and 4, a schematic exploded and inserted view of another tapered anchoring sleeve connection of the present application; wherein the dilating rod 21 further comprises a tip body 213, the structure of which is explained below.

Referring to fig. 5 and 6, a cut-away schematic view and a perspective schematic view of the anchor sleeve of the present application, an inner edge of the anchor sleeve 10 is sequentially a threaded surface 11, a tapered surface 12 and an axial straight surface 13, a radial surface 14 is included between the tapered surface 12 and the axial straight surface 13, as shown in fig. 6, the axial straight surface 13 is an annular through hole, and the through hole of the axial straight surface 13 is used for allowing a tensioned steel bar to enter the anchor sleeve 10; the radial surface 14 is used for locking the tension bar, so that any shape of the radial surface 14, such as a horizontal surface, an inclined surface, and an arc surface, capable of stably connecting the tension bar should be within the scope of the present application.

In the following, various shapes of the outer surface of the anchoring sleeve 10 are described, and the outer surface of the anchoring sleeve includes at least one connecting portion surface, the connecting portion surface is a polygonal surface, the connecting portion surface may be one or two, and the connecting portion surface may be only present at one end of the thread surface 11, only present at one end of the radial surface 14, or present at both ends, which completely depends on the requirements of the construction design. In the first embodiment, the outer surface of the anchoring sleeve 10 includes a connecting portion surface 15 and a sleeve portion surface 16, the connecting portion surface 15 is at one end of the thread surface 11, as shown in fig. 6 and 7, the connecting portion surface 15 is a polygonal surface, in the present embodiment, the connecting portion surface 15 is a hexagonal surface, but it should not be limited to the present application, and a plurality of or a few surfaces, such as a triangle, only can be used as a supporting surface for stable connection, which should be the protection scope of the present application; in addition, the sleeve portion surface 16 is a tapered surface 12, and as shown in fig. 6, the diameter of one end near the connecting portion surface 15 is smaller than that of the other end. In the embodiment where there is only one connecting portion surface 15 and one end of the radial surface 14, the sleeve portion surface 16 is a tapered surface, and the outer surface of one end of the threaded surface 11 is a straight circular surface, but this is not intended to limit the present application, and the outer surface of one end of the threaded surface 11 may be an extension of the tapered surface of the sleeve portion surface 16.

Referring to fig. 8, 9 and 10, in another embodiment of the anchoring sleeve 10 of the present application, the outer surface of the anchoring sleeve 10 includes a connecting portion surface 15 and a sleeve portion surface 16, the connecting portion surface 15 is at one end of the thread surface 11, as shown in fig. 9 and 10, the connecting portion surface 15 is a polygonal surface, in this embodiment, the connecting portion surface 15 is a hexagonal surface, but it should not be construed as limiting the present application, and a plurality of or a few surfaces, such as a triangular surface, only can be used as a supporting surface for stable connection, which should be within the protection scope of the present application; in addition, the sleeve portion surface 16 is a straight circular surface, as shown in fig. 8 and 10, the maximum diameter of the connecting portion surface 15 is equal to the diameter of the sleeve portion surface 16, and it can be seen in fig. 10 that the sleeve portion where the sleeve portion surface 16 is located is a cylindrical body. In another embodiment where there is only one connecting portion surface 15 and at one end of the radial surface 14, the sleeve portion surface 16 is a straight circular surface and the outer surface of one end of the thread surface 11 is a straight circular surface, but this is not intended to limit the present application and the outer surface of one end of the thread surface 11 may be a tapered surface.

Referring to fig. 11, 12 and 13, in another embodiment of the anchoring sleeve 10 of the present application, the outer surface of the anchoring sleeve 10 includes a connecting portion surface 15 and a sleeve portion surface 16, the connecting portion surface 15 is at one end of the threaded surface 11, as shown in fig. 12 and 13, the connecting portion surface 15 is a polygonal surface, in this embodiment, the connecting portion surface 15 is a hexagonal surface, but it should not be construed as limiting the present application, and a plurality of or a few surfaces, such as a triangular surface, only can be used as a supporting surface for stable connection, which should be within the protection scope of the present application; in addition, the sleeve portion surface 16 is a polygonal surface, please refer to fig. 11, in this embodiment, the connecting portion surface 15 and the sleeve portion surface 16 are all hexagonal surfaces, but it should not be used to limit the present application, and if the number of the connecting portion surface 15 and the sleeve portion surface 16 is different, more or less, for example, another twelve deformations of a hexagon, only can be used as a supporting surface for stable connection, which should be the protection scope of the present application. Further, since both the connecting portion surface 15 and the sleeve portion surface 16 are polygonal surfaces, the connecting portion surface 15 may be said to be provided at one end of the radial surface 14, and the connecting portion surface 15 may be said to be provided at both the radial surface 14 and one end of the thread surface 11.

Referring to fig. 14 and 15, the expansion joint bar of the present application is shown schematically and in a top view; the expansion and expansion connecting structure comprises an expansion rod 21 and an expansion connecting rod 22, wherein one end of the expansion connecting rod 22 is connected with the top cylinder, as shown in fig. 14, in the embodiment of the application, the expansion connecting rod 22 is connected with the top cylinder in a threaded manner, but the expansion connecting rod cannot be used for limiting the application, and as long as the expansion connecting rod can be stably connected, such as interference connection, clamping connection and inclined plane connection, the protection scope of the application should be met; the other end of the expansion connecting rod 22 is connected to the expansion rod 21, in the embodiment of the present application, the expansion rod 21 is inserted into and connected to the expansion connecting rod 22; before the precast pile is connected in construction, the expansion rod 21 is only inserted into the expansion connecting rod 22 at the end, and when the precast pile is connected in pairs in construction, the expansion rod and the expansion connecting rod enter the anchoring sleeve 10 in sequence.

In addition, the expansion connecting rod 22 includes an expansion portion 221 and a rod portion 222, the rod portion 222 is a cylinder, the expansion portion 221 includes a plurality of sector columns, gaps 223 exist between the sector columns, and the gaps connect the centers of the expansion portion 221; in fig. 15, if there is no gap, a plurality of the sector-shaped cylinders surround to form a cylinder, so the gap is a space from the center of the circle to the circumference; in addition, the outer surface of the sector cylinder is coincident with the outer surface of the shaft portion 222, that is, the sector cylinder is an extension of the shaft portion 222; the shaft portion 222 includes at least a part of an external thread 2221, as shown in fig. 14, a part of the shaft portion 222 near the end is the external thread 2221; as shown in fig. 16, which is another schematic view of the expansion joint rod 22 of the present application, a portion of the rod body 222 near the end is an external thread 2221, and the other portion of the rod body 222 and the outer surface of the expansion part 221 are both external threads 2221 of the steel bar material; as shown in fig. 17, the expansion joint rod 22 of the present application is further illustrated in that the outer surfaces of the rod body 222 and the expansion part 221 are external threads 2221 of the steel bar material, and the external threads 2221 of the steel bar material make it possible for the expansion joint rod 22 to be directly connected to the top cylinder by screwing, and in this embodiment, the internal threads of the top cylinder need to be correspondingly turned.

Next, referring to fig. 18, 19 and 20, the expansion rod 21 of the present application is illustrated, the expansion rod 21 includes an insertion portion 211 and an abutting portion 212, the abutting portion 212 is a cylinder, the abutting portion 212 acts to advance toward the expansion connecting rod 22 after being stressed, and further presses and separates the plurality of fan-shaped columns of the expansion portion 221 of the expansion connecting rod 22 outwards, when two precast piles are connected in construction, the expansion rod 21 is inserted into the anchoring sleeve 10, if the abutting portion 212 continues to advance after encountering a tension steel bar, the abutting portion 212 advances toward the expansion connecting rod 22 after being stressed, and further presses and separates the plurality of fan-shaped columns of the expansion portion 221 of the expansion connecting rod 22 outwards, and the separated fan-shaped columns gradually approach and attach to the inner wall of the anchoring sleeve 10, Clamping to tightly connect the precast piles two by two; the insertion portion 211 includes a plurality of triangular columns, which are in a shape of being tapered upward and wide downward in fig. 19, and the number of the triangular columns is equal to the number of the fan-shaped columns, in the embodiment of the present application, the number of the triangular columns is four, but the present application is not limited thereto, and as long as the number of the triangular columns can be matched with the fan-shaped columns to achieve stable connection, the protection scope of the present application should be reached; the end surface of the insertion part 211 connected with the expansion connecting rod 22 is matched with the gap, the end surface of the insertion part 211 is a space which is inserted into the gap in a solid way, and as shown in fig. 20, the end surface presents a radial shape from the center to the circumference; in addition, two side surfaces of the triangular column are triangular surfaces 2111, the triangular surface 2111 in fig. 19 is in a shape with a wide upper part and a sharp lower part, and a side line of the triangular surface 2111 on the circle center side is connected with the circumference from the upper part close to the circle center to the lower part, so that the function of extruding the opponent piece can be achieved when the triangular surface 2111 advances from top to bottom.

Referring to fig. 3, fig. 4 and fig. 21, another schematic view of the expansion rod 21 of the present application is shown, the expansion rod 21 further includes a tip body 213, the tip body 213 is disposed on the end surface of the insertion portion 211, the tip body 213 includes a plurality of triangular sheets, the bottom surfaces of the triangular sheets are connected to the end surface of the triangular column, the upper end points of the triangular sheets form a tip, as shown in fig. 21, the tip body 213 is generated by the oblique advance and convergence of the end surface of the insertion portion 211 from the circumference toward the center of the circle, and the design of the tip facilitates the forward drilling movement of the expansion rod 21.

The purpose of this application is, the connecting piece is through adopting mechanical connection's mode, and the cooperation is at the pre-buried mechanical component in advance of mill, during site operation, only need to aim at two sections stake hole site, twist on the pre-buried connecting piece and can dock the installation, realize the construction of quick environmental protection, practice thrift construction cost. And the integrality and the stability of mechanical connection are promoted, and the precast pile connected by using the expansion and expansion connecting structure can have better compression and pull-out resisting effects and improve the corrosion resisting effect of the joint.

It is right above the utility model discloses carry out detailed introduction, compared with the prior art, the utility model has the advantages of it is following:

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A connecting structure of a conical anchoring sleeve is used for connecting precast piles, and is characterized in that one end of each precast pile is connected with a plurality of top cylinders, the other end of each precast pile is connected with a plurality of anchoring sleeves, each top cylinder is a hollow body, each anchoring sleeve is a hollow body, the connecting structure comprises an expansion and expansion connecting structure, the expansion and expansion connecting structure is arranged on the top cylinders and comprises expansion rods and expansion connecting rods, one end of each expansion connecting rod is connected with the top cylinder, and the other end of each expansion connecting rod is connected with the expansion rods; the outer surface of the anchoring sleeve comprises at least one connecting part surface, and the connecting part surface is a polygonal surface.

2. The connection according to claim 1 wherein the inner edge of the anchoring sleeve is in the order of a threaded surface, a tapered surface and an axially straight surface, the tapered surface and the axially straight surface including a radial surface therebetween.

3. The connection of claim 2 wherein the outer surface of the anchoring sleeve further comprises a sleeve portion surface, the connecting portion surface being at one end of the threaded surface, the sleeve portion surface being a tapered surface.

4. The connecting structure according to claim 3, wherein the expansion connecting rod comprises an expansion part and a rod body part, the rod body part is a cylinder, the expansion part comprises a plurality of sector-shaped columns, gaps exist among the sector-shaped columns, and the gaps are connected with the center of the expansion part; the body portion includes at least a portion of external threads.

5. The coupling structure according to claim 4, wherein said expansion rod includes an insertion portion and an abutting portion, said abutting portion is a cylinder, said insertion portion includes a plurality of triangular columns, said insertion portion connects the end surface of said expansion connecting rod to fit said gap, and both side surfaces of said triangular columns are triangular surfaces.

6. The coupling structure according to claim 5, wherein said expansion rod further comprises a tip body, said tip body being disposed on an end surface of said insertion portion, said tip body comprising a plurality of triangular pieces, bottom surfaces of said triangular pieces being coupled to end surfaces of said triangular posts, upper end points of said triangular pieces forming tips.