CN213329003U

CN213329003U - Connecting piece for precast pile with plug part

Info

Publication number: CN213329003U
Application number: CN202021998868.2U
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 connecting piece for precast pile that has plug portion, the connecting piece is used for connecting two precast piles, a serial communication port, a plurality of end section of thick bamboo is connected to the one end of precast pile, a plurality of top section of thick bamboo is connected to the other one end of precast pile, end section of thick bamboo orientation set up a ladder portion on the inner tube wall of the one end of top section of thick bamboo, a bolt connecting piece is connected to the top section of thick bamboo, bolt connecting piece includes a connector, the connector is connected a top section of thick bamboo, the connector includes an at least plug portion, two after the precast pile connects, plug portion block is connected the ladder portion. This application plug portion guarantees block intensity, has improved connection stability, increases pile foundation security, and increase service life has improved the benefit of enterprise.

Description

Connecting piece for precast pile with plug part

Technical Field

The utility model relates to a connecting piece especially relates to a have rigidity annular connecting piece that is used for precast pile of plug portion.

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 connecting member for the precast pile of the prior art has a space for lifting.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims at providing a can dock the installation, realize the annular connecting piece that has plug portion of quick construction to solve prior art's technical problem.

In order to achieve the above object, the utility model provides a connecting piece for precast pile who has plug portion, the connecting piece is used for connecting two precast piles, a plurality of end section of thick bamboo is connected to the one end of precast pile, a plurality of top section of thick bamboo is connected to the other one end of precast pile, end section of thick bamboo orientation set up a ladder portion on the inner tube wall of the one end of top section of thick bamboo, a bolt connecting piece is connected to the top section of thick bamboo, bolt connecting piece includes a connector, the connector is connected a top section of thick bamboo, the connector includes an at least plug portion, two after the precast pile is connected, plug portion block is connected the ladder portion.

According to the connector for precast pile having the plug portion according to the preferred embodiment of the present application, the stepped portion includes at least one step.

According to the preferred embodiment of this application have connecting piece for precast pile of plug portion, plug portion is the cylinder, plug portion includes a end disk, four at least section of thick bamboo pieces and four at least cards, end disk is the circular lamellar body that has the through-hole in the middle of one, the section of thick bamboo piece is in along the lamellar body that axial interval set up on the end disk, the card sets up the one end of section of thick bamboo piece, the card radially bulge in the section of thick bamboo piece, the card orientation end disk one side is a circular arc transition, the section of thick bamboo piece with the angle of connection of end disk is 90 degrees.

According to the preferred embodiment of the present application, the connecting member for a precast pile has a plug portion, the plug portion includes a first annular sheet body, the first annular sheet body is in a shape of a circular cone, the first annular sheet body further includes a first bottom wafer and at least four first clamping pieces, the first bottom wafer is a circular sheet body having a through hole in the middle, the first clamping pieces are sheet bodies arranged along the circumferential direction at intervals on the first bottom wafer, and the first clamping pieces and the first bottom wafer are connected at an angle.

According to the connecting piece for the precast pile with the plug part in the preferred embodiment of the application, the connecting piece further comprises a connecting rod, a connecting column part and a thread part; the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the first bottom wafer and is connected with the connecting hole; the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder.

According to the connecting piece for the precast pile with the plug part, the plug part further comprises a second annular sheet body and a transition column, wherein the second annular sheet body is in a conical cylinder shape, the second annular sheet body further comprises a second bottom circular sheet and at least four second clamping sheets, the second bottom circular sheet is a circular sheet body with a through hole in the middle, the second clamping sheets are sheet bodies arranged on the second bottom circular sheet at intervals along the circumferential direction, and the second clamping sheets are connected with the second bottom circular sheet at an angle; the transition column is a cylinder body with a through hole in the middle; the connecting rod is sequentially connected with the middle through hole of the second bottom wafer in a penetrating manner, the middle of the transition column is provided with a through hole, and the middle through hole of the first bottom wafer is connected with the connecting hole.

According to the connecting piece for the precast pile with the plug part in the preferred embodiment of the application, the connecting piece further comprises a connecting rod, a connecting column part and a thread part; the plug part is cylindrical and comprises a bottom wafer, at least four barrel sheets and at least four clamping sheets, the bottom wafer is a circular sheet body with a through hole in the middle, the barrel sheets are sheet bodies arranged on the bottom wafer at intervals along the axial direction, the clamping sheets are arranged at one end of the barrel sheets, and the clamping sheets radially protrude out of the barrel sheets; the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the bottom wafer and is connected with the connecting hole; the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder.

The utility model provides a design thought is, designs a precast pile annular connecting piece that has plug portion, the one end of plug portion is the annular piece, and there is a plurality of cards in clearance between the other one end of plug portion, guarantees block intensity, and the quantity of plug portion can be one or a plurality of, has improved annular connector and adversary's precision of being connected to set up multiple insurance, guarantee under the normal use that hookup location is not hard up, solve small-amplitude displacement, the requirement of withdrawal resistance still can be satisfied to extreme condition, and the stability of connection is improved, increase stake basis security, the increase of service life.

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

1. one end of the plug part is an annular sheet, and the other end of the plug part is a plurality of clamping sheets with gaps between the clamping sheets, so that the clamping strength is ensured;

2. the bottom barrel is directly used as a clamping counterpart piece, connecting pieces such as a buckling barrel and a spring are saved, and the cost of parts is reduced;

3. the connecting piece improves the connecting precision of the connecting head and the counterpart piece, and the connection is more efficient;

4. this application has improved connection stability, increases pile foundation security, and the increase of service life has improved the benefit of enterprise.

Drawings

FIG. 1 is a schematic view of a connector according to the present application;

FIG. 2 is a schematic diagram of the fry of FIG. 1;

FIG. 3 is a bottom view of the base cartridge of FIG. 1

FIG. 4 is a top view of the first annular sheet of FIG. 1;

FIG. 5 is a schematic view of another embodiment;

FIG. 6 is a bottom schematic view of the base cartridge of FIG. 5;

fig. 7 is a top view of the plug portion of fig. 5.

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, a connecting member for a precast pile having a plug portion, the connecting member being used for connecting two precast piles, one end of each precast pile being connected to a plurality of bottom tubes 10, each bottom tube 10 being a pre-embedded connecting member pre-embedded at one end of the precast pile when the precast pile is produced, the number of the bottom tubes 10 being different according to the design of the precast pile; the other end of the precast pile is connected with a plurality of top cylinders 20, similarly, the top cylinders 20 are pre-embedded connecting pieces pre-embedded at one end of the precast pile when the precast pile is produced, and the number of the top cylinders 20 is different according to the design of the precast pile; the bottom cylinder 10 and the top cylinder 20 are respectively designed as a coupling member that can be inserted into each other to form a coupling structure.

First, referring to fig. 2, a bottom tube 10 is a hollow tube, an inner tube wall of an end of the bottom tube facing the top tube 20 is provided with a step portion, that is, an end of the bottom tube 10 abutting against the top tube 20, the step portion includes at least one step, as shown in fig. 1 and 2, in this embodiment, the step portion includes two step surfaces (11, 12), a tap portion 13 is disposed on the tube wall of the step portion to the outer edge of the bottom tube, the diameter of the step portion is greater than the diameter of the tap portion, and the tap portion in fig. 2 is between the end surface of the bottom tube and the step portion; in addition, a stepped connecting hole for clamping the steel bar with large upper end and small lower end is arranged at the center of the other end of the bottom barrel 10. In this embodiment, the two stepped step surfaces (11, 12) formed on the wall of the bottom tube 10 at one end of the connector form an included angle of 90 degrees with the axial line of the bottom tube 10, and if the included angle is the same as the first locking piece 3212, the clamping strength will be better. In the embodiment of the present application, the number of the steps formed on the wall of the end of the bottom cylinder 10 facing the end of the top cylinder, which is opposite to the end of the connector, is two, but the steps cannot be used to limit the present application, and several more steps are needed as long as the clamping strength can be ensured.

Referring to fig. 3, the outer edge of one end of the bottom tube 10 is circular, the outer edge of the other end of the bottom tube 10 is polygonal, and in the drawing, it is octagonal, that is, octagonal, the outer edge of the bottom tube 10 is polygonal, so that when the tensioning nut is screwed in the tensioning process, the position of the polygon can be clamped by a tool, so that the bottom tube 10 cannot rotate, the operation is more efficient, therefore, the number of sides of the polygon can be several, for example, a triangle, a quadrangle, a hexagon, etc., which are convenient for the tool to clamp should be the protection scope of the present application.

Referring to fig. 1, the connector of the present application includes a pin connector, the pin connector includes a connector, the connector is connected to the top barrel 20, the connector includes a connecting rod 31, a plug portion 32, a connecting pillar portion 33 and a thread portion 34, and after the two precast piles are connected, the plug portion 32 is engaged with the step portion. Describing the top cylinder 20, as shown in fig. 1, the top cylinder 20 is a cylindrical structure with an open lower end, a stepped connection hole for clamping the steel rod is formed in the center of the upper end of the top cylinder 20, the stepped connection hole is small at the upper end and large at the lower end, and an internal thread is formed in the lower portion of the inner cavity wall of the top cylinder 20 and is used for connecting the connector. As described above, the top cylinder 20 is a pre-embedded connector pre-embedded at one end of the precast pile, and during assembly, the connector can be easily screwed into the top cylinder 20 by hand.

Referring to fig. 2 and 4, the plug portion 32 includes a first annular sheet 321, the first annular sheet 321 is in a shape of a cone, the first annular sheet 321 further includes a first bottom sheet 3211 and at least four first locking sheets 3212, the number of the first locking sheets 3212 in this application is eight, but it cannot be used to limit this application, more or less, as long as the strength of the snap connection can be ensured, which also should be the protection scope of this application, the first bottom sheet 3211 is a circular sheet with a through hole in the middle, the first locking sheets 3212 are sheets circumferentially spaced on the first bottom sheet 3211, and the first locking sheets 3212 and the first bottom sheet 3211 are connected at an angle; the connecting column portion 33 is a cylinder, one end of the connecting column portion 33 is connected to the threaded portion 34, as shown in fig. 2, in this embodiment, the connecting column portion 33 and the threaded portion 34 are integrally formed, a connecting hole 331 is formed in the other end surface of the connecting column portion 33, the connecting rod 31 penetrates through a middle through hole of the first bottom circular piece 3211 and is connected to the connecting hole 331, the connecting rod 31 is a screw rod in this application, the connecting hole 331 is a threaded hole, and when assembling, after the connecting rod 31 penetrates through the middle through hole of the first bottom circular piece 3211, the connecting rod 31 is screwed with the connecting hole 331 to complete assembling of the plug portion 32; the thread part 34 is an external thread cylinder, and the thread part 34 is screwed with the top cylinder 20.

Referring to fig. 1 and 2, the plug portion 32 further includes a second annular sheet 322 and a transition column 323, wherein the second annular sheet 322 is in a shape of a conical cylinder, the second annular sheet 322 further includes a second bottom circular sheet 3221 and at least four second clamping sheets 3222, the number of the second clamping sheets 3222 in this application is eight, but it cannot be used to limit this application, and more or less than several second clamping sheets, as long as the strength of the snap connection can be ensured, and the protection scope of this application should also be reached, the second bottom circular sheet 3221 is a circular sheet with a through hole in the middle, the second clamping sheets 3222 are sheets circumferentially spaced on the second bottom circular sheet 3221, and the second clamping sheets 3222 and the second bottom circular sheet 3221 are connected at an angle; the transition column 323 is a cylinder body with a through hole in the middle; the connecting rod 31 sequentially penetrates through the middle through hole of the second bottom circular piece 3221, the middle through hole of the transition column 323 and the middle through hole of the first bottom circular piece 3211, and the connecting rod 31 is connected with the connecting hole 331, in this embodiment, the connecting rod 31 is a screw rod, the connecting hole 331 is a threaded hole, and during assembly, the connecting rod 31 sequentially penetrates through the middle through hole of the second bottom circular piece 3221, the middle through hole of the transition column 323 and the middle through hole of the first bottom circular piece 3211, and then the connecting rod 31 is screwed with the connecting hole 331 to complete the assembly of the plug part 32.

Referring to fig. 2, the connection angle between the first card 3212 and the first bottom circular piece 3211 is the same as the connection angle between the second card 3222 and the second bottom circular piece 3221, that is, the first card 3212 and the second card 3222 are two parallel rings. As shown in the drawings, the number of the ring-shaped bodies is two in the present embodiment, that is, the first ring-shaped body 321 and the second ring-shaped body 322, but it should not be limited to this application, and several turns of the ring-shaped bodies can increase the strength of the snap connection, and it should be the protection scope of this application, and in the drawing, the length of the second clamping piece 3222 is longer than the length of the first clamping piece 3212, so that the diameter of the open end of the second bottom circular piece 3221 is larger than the diameter of the open end of the first bottom circular piece 3211, and is not designed to be in a straight line.

Referring to fig. 5, 6 and 7, as shown in fig. 5, the connecting head includes a connecting rod 31, a plug portion 32, a connecting post portion 33 and a threaded portion 34, the plug portion 32 is cylindrical, the plug portion includes a bottom circular plate, at least four barrel plates and at least four clamping plates, the bottom circular plate is a circular plate with a through hole in the middle, the barrel plates are axially spaced on the bottom circular plate, the clamping plates are disposed at one ends of the barrel plates, the clamping plates radially protrude from the barrel plates, the clamping plates are in circular arc transition towards one side of the bottom circular plate, a connection angle between the barrel plates and the bottom circular plate is 90 degrees, and the number of the plug portion 32 is only one because of the 90 degree included angle; the opposite corresponding step has only one step. The connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the bottom wafer and is connected with the connecting hole; the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder. And as shown in fig. 6, the outer edge of the bottom cylinder is octagonal, that is, octagonal, but it should not be construed as limiting the present application, and it should be within the scope of the present application if the outer edge of the bottom cylinder is octagonal, that is, octagonal.

The work of this application is such, during the use, insert precast pile's rod iron both ends respectively in bottom tube 10 and top tube 20, the upset head forms radial protrusion, use the instrument to press from both sides the polygonal tensioning nut of screwing, fix bottom tube 10 and top tube 20 respectively through tensioning nut through tensioning technology concrete forming, insert the plug portion 32 of connector in bottom tube 10 when the stake is connected, make plug portion 32 and bottom tube 10 link together, thereby make two precast piles link together fast, because the annular lamellar body of plug portion 32 is the lamellar body or the straight barrel of angularity, as shown in fig. 1 and 5, and there is the interval between the card and can be closed and open when pressure is relieved when extrudeing, so can insert and can not pull out, card at the ladder face when pulling out, connect the fastening; the connecting piece has the advantages of being simple and compact in structure, high in anti-pulling bearing capacity, efficient, simple and convenient to connect, low in manufacturing cost, high in construction efficiency, free of welding during field installation, and capable of greatly improving construction efficiency.

The utility model provides an aim at, plug portion inserts in the end section of thick bamboo, there is the clearance to open when pressure is relieved when receiving the extrusion between the card, so can insert into and can not pull out, the connecting piece of making out is more firm, the connecting piece is through the mode that adopts mechanical connection, the cooperation is at the pre-buried mechanical component in advance of mill, during the site operation, only need 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 lifting machine connection, the precast pile after using the bolt connecting piece can possess better resistance to compression resistance to plucking effect and improve the anticorrosive effect of junction.

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. The utility model provides a connecting piece for precast pile that has plug portion, the connecting piece is used for connecting two precast piles, a serial communication port, a plurality of end section of thick bamboo is connected to the one end of precast pile, a plurality of top section of thick bamboo is connected to the other one end of precast pile, end section of thick bamboo orientation set up a ladder portion on the inner tube wall of the one end of top section of thick bamboo, a bolt connecting piece is connected to the top section of thick bamboo, bolt connecting piece includes a connector, the connector is connected a top section of thick bamboo, the connector includes an at least plug portion, two after the precast pile connects, plug portion block is connected the ladder portion.

2. A connector for a precast pile having a plug portion according to claim 1, wherein said stepped portion comprises at least one step.

3. A connecting member for a precast pile having a plug portion according to claim 2, wherein the plug portion is cylindrical, the plug portion comprises a bottom circular plate, at least four barrel pieces and at least four clamping pieces, the bottom circular plate is a circular plate body with a through hole in the middle, the barrel pieces are axially spaced apart from the bottom circular plate, the clamping pieces are arranged at one ends of the barrel pieces, the clamping pieces protrude radially from the barrel pieces, the clamping pieces are in a circular arc transition towards the bottom circular plate, and the connecting angle between the barrel pieces and the bottom circular plate is 90 degrees.

4. A connecting member for a precast pile having a plug portion according to claim 2, wherein said plug portion comprises a first annular plate body, said first annular plate body has a conical cylindrical shape, said first annular plate body further comprises a first bottom disc and at least four first locking pieces, said first bottom disc is a circular plate body having a through hole in the middle, said first locking pieces are circumferentially spaced apart from each other on said first bottom disc, and said first locking pieces are angularly connected to said first bottom disc.

5. A connector for a precast pile having a plug portion according to claim 4, wherein the connector further comprises a connecting rod, a connecting post portion and a screw portion; wherein the content of the first and second substances,

the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the first bottom wafer and is connected with the connecting hole;

the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder.