CN210563012U - Mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement - Google Patents
Mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement Download PDFInfo
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- CN210563012U CN210563012U CN201921330792.3U CN201921330792U CN210563012U CN 210563012 U CN210563012 U CN 210563012U CN 201921330792 U CN201921330792 U CN 201921330792U CN 210563012 U CN210563012 U CN 210563012U
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Abstract
The utility model discloses a mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement has combined the straight threaded connection mode of prestressed reinforcement anchorage utensil and ordinary reinforcing bar, has realized the tensile mechanical connection of prestressed reinforcement and ordinary reinforcing bar. The prestressed reinforcement is anchored into a cylindrical anchor ring by adopting a wedge-shaped clamping piece anchoring mode, threads are arranged on the outer side of the cylindrical anchor ring, the threads on the outer side are in threaded connection and matching with the threads in the sleeve connected with the common reinforcement, and then the common reinforcement is screwed in until the prestressed reinforcement is tightly pressed, so that the anchorage device can be prevented from loosening. The utility model provides a prestressing steel and ordinary reinforcing bar's mechanical connection problem, adopt mechanical connection extension with prestressing steel and non-prestressing steel, can satisfy the atress length requirement that the reinforcing bar anchor goes into the cushion cap, save labour, save material, save time, economic benefits is good, and this kind of connecting piece can carry out batch production operation moreover, stable in quality, safe and reliable can promote on a large scale.
Description
Technical Field
The utility model relates to a steel bar connection technical field especially relates to a mechanical connection structure of prestressing steel and non-prestressing steel.
Background
When the prestressed reinforcement of the pile body of the prestressed concrete pile is anchored into the foundation bearing platform, and when the length of the prestressed reinforcement anchored into the bearing platform does not meet the requirement of the stress length, the conventional method comprises chiseling the concrete at the upper end of the pile, supporting a mold, manufacturing a reinforcement cage and pouring pile-connecting concrete, so that the pile and the bearing platform are connected to meet the requirement. The prestressed reinforcement is difficult to machine threads at joints due to high strength and large brittleness, and is difficult to mechanically connect by threads; meanwhile, the prestressed steel bars have poor weldability and are difficult to be connected with common steel bars by adopting a welding method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanical connection structure of prestressing steel and non-prestressing steel to solve the problem that above-mentioned prior art exists, adopt mechanical connection to lengthen prestressing steel and non-prestressing steel, can satisfy the atress length requirement that the reinforcing steel anchor goes into the cushion cap, save labour, economize the material, save time, economic benefits is good, and this kind of connecting piece can carry out batch production operation moreover, stable in quality, safe and reliable can promote on a large scale.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement, including wedge anchor clamps, anchor ring and sleeve, prestressed reinforcement and the wedge anchor clamps are coaxial and run through and set up in the wedge anchor clamps inside wall, the outer peripheral face of wedge anchor clamps is the wedge; the opening on the anchor ring is matched with the outer side face of the wedge-shaped fixture, the wedge-shaped fixture is anchored in the anchor ring, an external thread is turned on the periphery of the anchor ring close to the end of the large hole, an internal thread at the bottom end of the sleeve is screwed with the external thread on the anchor ring, and a non-prestressed reinforcement is screwed into the top of the sleeve.
Further, the wedge-shaped clamp is a three-petal wedge-shaped clamp consisting of three wedge-shaped clamping pieces.
Further, the wedge-shaped clamp and the anchor ring are in interference fit.
Further, the bottom end of the non-prestressed reinforcement tightly props against the prestressed reinforcement.
Further, the sleeve comprises a large sleeve and a small sleeve which are connected integrally, the integral connection position of the large sleeve and the small sleeve is in smooth transition, the non-prestressed reinforcement is screwed in from the internal thread of the small sleeve, and the internal thread at the bottom end of the large sleeve is used for being connected with the external thread of the anchor ring.
The mechanical connection method applied to the mechanical connection structure of the prestressed reinforcement and the non-prestressed reinforcement comprises the following steps:
manufacturing a mechanical connecting sleeve of prestressed reinforcements and non-prestressed reinforcements, and threading the inner walls of two ends of the sleeve;
manufacturing a prestressed reinforcement anchor ring, turning a thread on the outer side of one end of a larger hole of the anchor ring, and matching the thread with an internal thread at the bottom end of a large sleeve in the sleeve;
manufacturing wedge-shaped clamping pieces, and connecting the three wedge-shaped clamping pieces to form a three-petal wedge-shaped clamp;
threading one end of the non-prestressed reinforcement to be connected, and matching the thread with the internal thread of the small sleeve in the sleeve;
and anchoring the prestressed reinforcement in the anchor ring by using a three-petal wedge-shaped clamp, then sleeving the sleeve on the anchor ring and screwing down, and screwing the non-prestressed reinforcement with the threads into the sleeve until the top end of the prestressed reinforcement is tightly pressed, so that the connection operation is completed.
The utility model discloses for prior art gain following technological effect:
the utility model provides a prestressing steel and non-prestressing steel's mechanical connection structure, prestressing steel are connected with the connection clamp piece formula anchor of cylinder anchor ring, and sleeve internal thread and cylinder anchor ring external threaded connection, ordinary reinforcing bar and sleeve other end female connection. Therefore, the mechanical tensile connection of the prestressed steel bars and the common steel bars is realized. Adopt the utility model discloses a mechanical connection method, batch production preparation, the steady quality does not need the field weld, and construction convenience, economic benefits is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a mechanical linkage;
FIG. 2 is a flow chart of a mechanical coupling method;
wherein, 1 is non-prestressed reinforcement; 2, a sleeve; 3, a wedge-shaped clamp; 4, an anchor ring; and 5, pre-stressing the steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a mechanical connection structure of prestressing steel and non-prestressing steel to solve the problem that above-mentioned prior art exists, adopt mechanical connection to lengthen prestressing steel and non-prestressing steel, can satisfy the atress length requirement that the reinforcing steel anchor goes into the cushion cap, save labour, economize the material, save time, economic benefits is good, and this kind of connecting piece can carry out batch production operation moreover, stable in quality, safe and reliable can promote on a large scale.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-2, the utility model provides a prestressing steel and non-prestressing steel's mechanical connection structure has combined the straight threaded connection mode of prestressing steel anchorage utensil and ordinary reinforcing bar, has realized prestressing steel 5 and ordinary reinforcing bar's tensile mechanical connection. The prestressed reinforcement 5 adopts the mode anchor of wedge clamping piece into a cylinder type anchor ring earlier, and the cylinder type anchor ring outside sets up the screw thread, and the outside screw thread matches with the internal thread of sleeve 2 of connecting ordinary reinforcing bar, twists ordinary reinforcing bar again, and until top tight prestressed reinforcement 5, can prevent lax of ground tackle, has solved the equal strength tensile mechanical connection problem of prestressed reinforcement 5 and ordinary reinforcing bar.
Specifically, the mechanical connection structure comprises a wedge-shaped clamp 3, an anchor ring 4 and a sleeve 2, wherein the prestressed reinforcement 5 and the wedge-shaped clamp 3 are coaxial and penetrate through the inner side wall of the wedge-shaped clamp 3, and the outer peripheral surface of the wedge-shaped clamp 3 is wedge-shaped; trompil on the anchor ring 4 and wedge anchor clamps 3's lateral surface phase-match, and wedge anchor clamps 3 anchor is in anchor ring 4, and the periphery car that is close to the macropore end on the anchor ring 4 has the external screw thread, and the internal thread of 2 bottoms of sleeve and the external screw thread on the anchor ring 4 connect soon, and the top of sleeve 2 is twisted and is had non-prestressed reinforcement 1.
The wedge-shaped fixture 3 is a three-petal wedge-shaped fixture consisting of three wedge-shaped clamping pieces, the prestressed reinforcement 5 is anchored in the anchor ring 4 by the wedge-shaped fixture 3, and the wedge-shaped fixture 3 and the anchor ring 4 are in interference fit.
The specific connection method of the mechanical connection structure of the prestressed reinforcement 5 and the non-prestressed reinforcement 1 is as follows:
manufacturing a mechanical connecting sleeve 2 of a prestressed reinforcement 5 and a non-prestressed reinforcement 1, and threading the inner walls of two ends of the sleeve 2;
manufacturing an anchor ring 4, turning threads on the outer side of one end of a larger hole of the anchor ring 4, and matching the threads with internal threads at the bottom end of a large sleeve in the sleeve 2;
manufacturing wedge-shaped clamping pieces, and connecting the three wedge-shaped clamping pieces to form a three-petal wedge-shaped clamp;
threading one end of a non-prestressed reinforcement 1 to be connected, and matching a screw thread with an internal thread of a small sleeve in the sleeve 2;
anchoring the prestressed reinforcement 5 in the anchor ring 4 by using a three-petal wedge-shaped fixture, then sleeving the sleeve 2 on the anchor ring 4 and screwing down, screwing the non-prestressed reinforcement 1 with threads into the sleeve 2 until the top end of the prestressed reinforcement 5 is tightly pressed, preventing the anchorage from loosening and completing the whole connection operation.
When prestressed reinforcement 5 of prestressed concrete pile anchors into basic cushion cap, can touch the unsatisfied anchor length condition of anchor length of anchor cushion cap length of prestressed reinforcement 5, because prestressed reinforcement 5 fragility is big, weldability is poor, can't adopt threaded connection and welding mode to lengthen to satisfy anchor length. The utility model provides a prestressed reinforcement 5 and the mechanical connection of ordinary reinforcing bar, prestressed reinforcement 5 is connected with the connection clamp formula anchor of cylinder anchor ring, 2 internal threads of sleeve and cylinder anchor ring external threaded connection, ordinary reinforcing bar and 2 other end female connection of sleeve. Thereby realizing the mechanical tensile connection of the prestressed reinforcement 5 and the common reinforcement. Adopt the utility model discloses a mechanical connection method, batch production preparation, the steady quality does not need the field weld, and construction convenience, economic benefits is good.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. Mechanical connection structure of prestressing force reinforcing bar and non-prestressing force reinforcing bar, its characterized in that: the prestressed reinforcement and the wedge-shaped fixture are coaxial and penetrate through the inner side wall of the wedge-shaped fixture, and the outer peripheral surface of the wedge-shaped fixture is wedge-shaped; the opening on the anchor ring is matched with the outer side face of the wedge-shaped fixture, the wedge-shaped fixture is anchored in the anchor ring, an external thread is turned on the periphery of the anchor ring close to the end of the large hole, an internal thread at the bottom end of the sleeve is screwed with the external thread on the anchor ring, and a non-prestressed reinforcement is screwed into the top of the sleeve.
2. The mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement according to claim 1, wherein: the wedge-shaped clamp is a three-petal wedge-shaped clamp consisting of three wedge-shaped clamping pieces.
3. The mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement according to claim 1, wherein: the wedge-shaped clamp and the anchor ring are in interference fit.
4. The mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement according to claim 1, wherein: and the bottom end of the non-prestressed reinforcement tightly props against the prestressed reinforcement.
5. The mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement according to claim 1, wherein: the sleeve comprises a large sleeve and a small sleeve which are connected integrally, the integral connection part of the large sleeve and the small sleeve is in smooth transition, the non-prestressed reinforcement is screwed in from the internal thread of the small sleeve, and the internal thread at the bottom end of the large sleeve is used for being connected with the external thread of the anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330792.3U CN210563012U (en) | 2019-08-16 | 2019-08-16 | Mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330792.3U CN210563012U (en) | 2019-08-16 | 2019-08-16 | Mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210563012U true CN210563012U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921330792.3U Active CN210563012U (en) | 2019-08-16 | 2019-08-16 | Mechanical connection structure of prestressed reinforcement and non-prestressed reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210563012U (en) |
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2019
- 2019-08-16 CN CN201921330792.3U patent/CN210563012U/en active Active
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