CN212405128U - Annular bolt connecting piece for precast pile - Google Patents
Annular bolt connecting piece for precast pile Download PDFInfo
- Publication number
- CN212405128U CN212405128U CN202021998724.7U CN202021998724U CN212405128U CN 212405128 U CN212405128 U CN 212405128U CN 202021998724 U CN202021998724 U CN 202021998724U CN 212405128 U CN212405128 U CN 212405128U
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- Prior art keywords
- hole
- annular
- precast pile
- bottom wafer
- clamping sheets
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- 230000007704 transition Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to an annular bolt connecting piece for precast pile, one end of precast pile connects a plurality of bottom barrels, and the other end of precast pile connects a plurality of top barrels, the bolt connecting piece includes a connector, the connector connects the top barrels, the connector includes connecting rod, plug portion, connecting post portion and screw thread portion; the plug part comprises a first annular sheet body, the first annular sheet body further comprises a first bottom circular sheet and at least four first clamping sheets, the first clamping sheets are arranged on the first bottom circular sheet at intervals along the circumferential direction, and the first clamping sheets are connected with the first bottom circular sheet at an angle; the end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through a middle through hole of the first bottom wafer, and the connecting rod is connected with the connecting hole and is in threaded connection with the threaded part of the top barrel. The utility model discloses connect more efficiently, improved connection stability, increase pile foundation security, increase service life has improved the benefit of enterprise.
Description
Technical Field
The utility model relates to a connecting piece especially relates to a be used for precast pile to use rigidity annular bolt connecting piece.
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.
Therefore, the bolt connecting piece for the precast pile in the prior art has a lifting space.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims at providing a but the installation of butt joint realizes the annular bolt connecting piece of quick construction to solve prior art's technical problem.
In order to achieve the purpose, the utility model provides an annular bolt connecting piece for a precast pile, one end of the precast pile is connected with a plurality of bottom cylinders, the other end of the precast pile is connected with a plurality of top cylinders, the bolt connecting piece comprises a connector, the connector is connected with the top cylinders, and the connector comprises a connecting rod, a plug part, a connecting column part and a thread part; the plug part comprises a first annular sheet body, the first annular sheet body is in a conical cylinder shape, the first annular sheet body further comprises a first bottom wafer and at least four first clamping pieces, the first bottom wafer is a circular sheet body with a through hole in the middle, the first clamping pieces are sheet bodies arranged on the first bottom wafer at intervals along the circumferential direction, and the first clamping pieces are connected with the first bottom wafer at an angle; 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 annular pin connecting piece for the precast pile, the plug portion 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 utility model discloses a circular bolt connecting piece is used to precast pile, the angle of connection of first card with first end disk is the same with the angle of connection of second card with the disk of second end.
According to the utility model discloses preferred embodiment annular bolt connecting piece is used to precast pile, end section of thick bamboo is a cavity barrel, end section of thick bamboo orientation set up two at least ladders on the section of thick bamboo wall of the one end of connector.
The design idea of the utility model is that, design an annular bolt connecting piece, mainly improved the connection precision of annular connector and adversary's piece to set up multiple insurance, guarantee under the normal use that hookup location is not hard up, solve small displacement, extreme condition still can satisfy the requirement of resistance to plucking, 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 of the utility model improves the connecting precision of the connector and the opponent piece, and the connection is more efficient;
2. the bottom cylinder of the utility model is directly used as a clamping opponent, so that the operation procedures are reduced, and the operation is more convenient;
3. the utility model provides high connection stability increases pile foundation security, and increase of service life has improved the benefit of enterprise.
Drawings
FIG. 1 is a schematic view of the plug connector of the present invention;
FIG. 2 is a schematic diagram of the fry of FIG. 1;
fig. 3 is a schematic top view of the first annular sheet of the present invention.
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.
Please refer to fig. 1, the utility model provides a bolt connecting piece for precast pile, a plurality of end section of thick bamboo 10 is connected to the one end of precast pile, end section of thick bamboo 10 is production during the precast pile, it is pre-buried in the pre-buried connecting piece of precast pile one end, the quantity foundation of end section of thick bamboo 10 the design of precast pile is different and different, a plurality of top section of thick bamboo 20 is connected to the other one end of precast pile, and is same, top section of thick bamboo 20 is production during the precast pile, it is pre-buried in the pre-buried connecting piece of precast pile one end, the quantity foundation of top section of thick bamboo 20 the design of precast pile is different and different, bolt connecting piece includes a connector, the connector is connected top section of thick bamboo 20, the connector includes connecting rod 31, plug portion 32, connecting column portion 33 and screw thread portion 34.
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 3, 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. 2, the bottom tube 10 is a hollow tube, at least two steps are formed on a tube wall of one end of the bottom tube 10 facing the connector, and a stepped connection hole for connecting a steel bar in a clamping manner is formed in the center of the other end of the bottom tube 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 bottom tube 10 facing to the end of the connector is two, but the number of the steps cannot be used to limit the present application, and several more steps should be included as long as the clamping strength can be ensured.
The utility model has the advantages that when in use, one ends of the steel rods of two butted precast piles are respectively fixed in the bottom barrel 10 and the top barrel 20, then the plug part 32 of the connector is inserted into the bottom barrel 10, so that the plug part 32 is connected with the bottom barrel 10, and the steel rods of the two precast piles are quickly connected together, because the annular sheet body of the plug part 32 is a sheet body with angles, as shown in figure 1, and a gap exists between the cards, as shown in figure 3, the cards can be inserted into the steel rods and cannot be pulled out, and the cards are clamped on the step surface when being pulled out, and are connected and fastened; the bolt connecting piece has the advantages of being simple and compact in structure, high in pulling resistance bearing capacity, efficient, simple and convenient to connect, low in manufacturing cost, high in construction efficiency, free of welding during field installation, and greatly improved in construction efficiency.
The purpose of this application is, the bolt connecting piece is through the mode that adopts mechanical connection, 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 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:
1. the connecting piece of the utility model improves the connecting precision of the connector and the opponent piece, and the connection is more efficient;
2. the bottom cylinder of the utility model is directly used as a clamping opponent, so that the operation procedures are reduced, and the operation is more convenient;
3. the utility model provides high connection stability increases pile foundation security, and increase of service life has improved the benefit of enterprise.
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 (4)
1. An annular bolt connecting piece for a precast pile is characterized in that one end of the precast pile is connected with a plurality of bottom barrels, the other end of the precast pile is connected with a plurality of top barrels, the bolt connecting piece comprises a connecting head, the connecting head is connected with the top barrels, and the connecting head comprises a connecting rod, a plug part, a connecting column part and a thread part; wherein,
the plug part comprises a first annular sheet body, the first annular sheet body is in a conical cylinder shape, the first annular sheet body comprises a first bottom wafer and at least four first clamping sheets, the first bottom wafer is a circular sheet body with a through hole in the middle, the first clamping sheets are sheet bodies arranged on the first bottom wafer at intervals along the circumferential direction, and the first clamping sheets are connected with the first bottom wafer at an angle;
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.
2. An annular pin connector for a precast pile according to claim 1, wherein said plug portion further comprises a second annular blade and a transition post, wherein,
the second annular sheet body is in a conical cylinder shape and comprises a second bottom wafer and at least four second clamping sheets, the second bottom wafer is a circular sheet body with a through hole in the middle, the second clamping sheets are sheet bodies arranged on the second bottom wafer at intervals along the circumferential direction, and the second clamping sheets are connected with the second bottom wafer 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.
3. The annular pin connector of claim 2, wherein the first engagement tab and the first base disc are connected at the same angle as the second engagement tab and the second base disc.
4. The annular plug connector for the precast pile according to claim 3, wherein the bottom tube is a hollow tube, and the wall of the bottom tube facing the end of the connector is provided with at least two steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998724.7U CN212405128U (en) | 2020-09-14 | 2020-09-14 | Annular bolt connecting piece for precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998724.7U CN212405128U (en) | 2020-09-14 | 2020-09-14 | Annular bolt connecting piece for precast pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212405128U true CN212405128U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021998724.7U Active CN212405128U (en) | 2020-09-14 | 2020-09-14 | Annular bolt connecting piece for precast pile |
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| CN (1) | CN212405128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962508A (en) * | 2020-09-14 | 2020-11-20 | 汤始建华建材（上海）有限公司 | Annular bolt connecting piece for precast pile |
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2020
- 2020-09-14 CN CN202021998724.7U patent/CN212405128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962508A (en) * | 2020-09-14 | 2020-11-20 | 汤始建华建材（上海）有限公司 | Annular bolt connecting piece for precast pile |
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