CN104533020A - Connector for lengthening prestressed steel bars and construction method thereof - Google Patents
Connector for lengthening prestressed steel bars and construction method thereof Download PDFInfo
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- CN104533020A CN104533020A CN201410830256.5A CN201410830256A CN104533020A CN 104533020 A CN104533020 A CN 104533020A CN 201410830256 A CN201410830256 A CN 201410830256A CN 104533020 A CN104533020 A CN 104533020A
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- prestressed reinforcement
- intermediate plate
- connector
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- reinforced hole
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Abstract
The invention belongs to the technical field of buildings and particularly relates to a connector for lengthening prestressed steel bars and a construction method thereof. The connector is characterized in that a plurality of steel bar holes axially penetrating through a body are formed in the body in the circumferential direction; the outer edge at the upper part of the body is uniformly provided with a plurality of opening grooves for installing the prestressed steel bars along the circumferential direction; the steel bar holes positioned in the upper part of the body are conical holes; the conical holes are internally provided with clamping pieces for locking the prestressed steel bars; the lower ends of the opening grooves are provided with anchoring rings which are internally provided with the conical holes; the conical holes are internally provided with the clamping pieces for locking the prestressed steel bars in a matching manner. The construction method comprises the steps of anchoring one end of each of one group of prestressed steel bars into the steel bar holes by the clamping pieces, and stretching and drawing the other ends of the prestressed steel bars; (2) enabling one end of each of another group of prestressed steel bars to penetrate through the opening grooves to be arranged in the conical holes of the anchoring rings by the clamping pieces, and stretching and drawing the other ends of the prestressed steel bars; and (3) grouting on the end provided with the connector. The connector has the advantages that the lengthening of the prestressed steel bars can be fast and conveniently realized and the connecting efficiency is greatly improved.
Description
Technical field:
The invention belongs to technical field of buildings, refer in particular to a kind of prestressed reinforcement spreading connector and construction method thereof.
Background technology:
The design floor space of current civilian construction is increasing, make basement also increasing, and architectural design often requires to stay less or do not stay structural joint, the continuous length of side of partial prestressed structure is made to increase to more than hundred meters from tens in the past meter, cause in overlength continuous structure, occurring that more presstressed reinforcing steel intersection (overlap joint) connects, the situation of subsection tension, easily make structure make another side not have the concrete of stretch-draw to occur crack in advance because of Shi Hanzhang when stretch-draw, and the prestressing force loss of efficacy of applying is increased, cause the loss of presstressed reinforcing steel; Simultaneously because overlap joint connects, make connector increase by one and use more presstressed reinforcing steel, causing waste.
Summary of the invention:
The object of this invention is to provide a kind of New connector connecting reliably, reduce loss of prestress, this connector can reduce presstressed reinforcing steel joint use amount, has saved prestressed reinforcement spreading connector and the construction method thereof of construction cost.
The present invention is achieved in that
A kind of prestressed reinforcement spreading connector, include body, on body, circumference is provided with several reinforced holes axially running through body, the outer edge of body upper part stretches out outside the outer edge of bottom, on the outer edge of body upper part, circumference is evenly equipped with several open slots for prestressed reinforcing bar, and the quantity of open slot is corresponding with the quantity of reinforced hole;
Or: the reinforced hole axially running through body is provided with at the center of body, several reinforced holes axially running through body are evenly equipped with in the outer circumference of this reinforced hole, the outer edge of body upper part stretches out outside the outer edge of bottom, on the outer edge of body upper part, circumference is evenly equipped with several open slots for prestressed reinforcing bar, and the quantity of open slot is corresponding with the quantity of reinforced hole;
The reinforced hole being positioned at body upper part is the up big and down small bellmouth of diameter, and in bellmouth, be provided with the intermediate plate for locking prestressed reinforcement, intermediate plate matches with bellmouth, and intermediate plate is made up of two arc-like sheets, and two arc-like sheets surround round table-like;
Described open slot lower end is provided with anchor ring, is provided with the bellmouth that diameter is up-small and down-big in anchor ring, is provided with the intermediate plate locking prestressed reinforcement in bellmouth, and intermediate plate is made up of two arc-like sheets, and two arc-like sheets surround round table-like.
Above-mentioned body upper part and body lower part are split-type structural, and body upper part and body lower part are coaxially set, and body upper part is installed on body lower part by screw.
Above-mentioned reinforced hole runs through body upper part and body lower part, and the reinforced hole of body upper part and the reinforced hole of body lower part are coaxially set.
The reinforced hole of above-mentioned body lower part is cylindrical hole.
Above-mentioned body lower part is the up-small and down-big round platform of diameter.
Be provided with in above-mentioned intermediate plate for the internal thread increased and rub between prestressed reinforcement.
Above-mentioned open slot is arranged on the outer edge of body upper part, and the inwall of open slot is arc surface, and tilts from top to bottom.
A construction method for prestressed reinforcement spreading connector, concrete steps are as follows:
(1) by needing, one end of one of spreading group of prestressed reinforcement is arranged in the reinforced hole of connector by intermediate plate, other end stretch-draw, and due to the effect of intermediate plate, one end of prestressed reinforcement is anchored in the reinforced hole of connector;
(2) open slot one end of another group prestressed reinforcement being passed connector is arranged in the bellmouth of anchor ring by intermediate plate, other end stretch-draw, due to the effect of intermediate plate, one end of prestressed reinforcement is anchored at the prestressed reinforcement spreading realized in the bellmouth of anchor ring;
(3) construction of prestressed reinforcement is realized by staying the grout hole established to carry out being in the milk specially being provided with near this end of connector.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the present invention can realize the spreading of reinforcing bar quickly and easily, substantially increases joint efficiency, reduces construction cost;
2, the present invention instead of the original task of being completed overlap joint by two connectors, and the prestressed reinforcement that segmentation overlaps is linked as entirety, easy and simple to handle, light and handy, technique is simple;
3, the present invention is a kind of New connector connecting reliably, reduce loss of prestress, thus has saved construction cost.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram being provided with intermediate plate in reinforced hole of the present invention;
Fig. 2 is the schematic diagram of intermediate plate of the present invention;
Fig. 3 is the front view that the present invention does not arrange intermediate plate;
Fig. 4 is the sectional view that the present invention does not arrange intermediate plate;
Fig. 5 is the front view of body lower part of the present invention;
Fig. 6 is the sectional view of body lower part of the present invention;
Fig. 7 is the front view of body upper part of the present invention;
Fig. 8 is the sectional view of body upper part of the present invention;
Fig. 9 is the schematic diagram of anchor ring of the present invention;
Figure 10 is using state schematic diagram of the present invention;
Figure 11 is construction simplified schematic diagram of the present invention;
Figure 12 is the A portion enlarged diagram of Figure 11.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-12:
A kind of prestressed reinforcement spreading connector, include body 1, on body 1, circumference is evenly equipped with several reinforced holes 2 axially running through body 1, this reinforced hole 2 is for prestressed reinforcing bar 12, the outer edge of body upper part 3 stretches out outside the outer edge of bottom 4, on the outer edge of body upper part 3, circumference is evenly equipped with several open slots 5 for prestressed reinforcing bar, and the quantity of open slot 5 is corresponding with the quantity of reinforced hole 2;
Or: the reinforced hole 2 axially running through body 1 is provided with at the center of body 1, several reinforced holes 2 axially running through body 1 are evenly equipped with in the outer circumference of this reinforced hole 2, reinforced hole 2 is for prestressed reinforcing bar 12, the outer edge of body upper part 3 stretches out outside the outer edge of bottom 4, on the outer edge of body upper part 3, circumference is evenly equipped with several open slots 5 for prestressed reinforcing bar 13, and the quantity of open slot 5 is corresponding with the quantity of reinforced hole 2.The oppositely stretch-draw locking of prestressed reinforcement 13 in reinforced hole 2 prestressed reinforcement 12 and open slot 5;
The reinforced hole 21 of body upper part is the up big and down small bellmouth of diameter, and in this reinforced hole 21, be provided with the intermediate plate 6 for locking prestressed reinforcement 12, intermediate plate 6 matches with reinforced hole 21, and intermediate plate 6 is made up of two arc-like sheets 61, and two arc-like sheets 61 surround round table-like;
The lower end of open slot 5 is provided with anchor ring 10, is provided with the up-small and down-big bellmouth of diameter 11 in anchor ring 10, be provided with the intermediate plate 6 locking prestressed reinforcement 13 in bellmouth 11, intermediate plate 6 is made up of two arc-like sheets 61, and two arc-like sheets 61 surround round table-like.
Above-mentioned body upper part 3 is split-type structural with body lower part 4, and body upper part 3 and body lower part 4 are coaxially set, and body upper part 3 is installed on body lower part 4.Body upper part 3 is provided with through hole 7, body lower part 4 is provided with screwed hole 8, body upper part 3 is installed on body lower part 4 by screw 9.
Above-mentioned reinforced hole 2 runs through body upper part 3 and body lower part 4, and the reinforced hole 21 of body upper part is coaxially set with the reinforced hole 22 of body lower part.
Be provided with in above-mentioned intermediate plate 6 for the internal thread 62 increased and rub between prestressed reinforcement 8.
The reinforced hole 22 of above-mentioned body lower part 4 is cylindrical hole.
Above-mentioned body lower part 4 is the up-small and down-big round platform of diameter, and the diameter of large-diameter portion is less than the diameter of body upper part 3.
Above-mentioned open slot 5 is arranged on the outer edge of body upper part 3, and the inwall of open slot 5 is arc surface, and tilts from top to bottom.
Be provided with in above-mentioned intermediate plate 6 for the internal thread 62 increased and rub between prestressed reinforcement 8.
Intermediate plate 6 is placed in anchor ring 10, the bellmouth 11 on anchor ring 10 and intermediate plate 6 cooperating, makes prestressed reinforcement 13 more and more tighter when stretch-draw, accommodates stable by prestressed reinforcement 13.
A construction method for prestressed reinforcement spreading connector, concrete steps are as follows:
(1) by needing, one end of one of spreading group of prestressed reinforcement 12 is arranged in the reinforced hole 2 of connector by intermediate plate 6, other end stretch-draw, and due to the effect of intermediate plate 6, one end of prestressed reinforcement 12 is anchored in the reinforced hole 2 of connector; The two-piece type structure of intermediate plate 6 is inserted in the reinforced hole 21 of body upper part 3, makes the intermediate plate 6 of prestressed reinforcement 8 in reinforced hole 2 block tighter and tighter, and is locked in reinforced hole 2 one end of prestressed reinforcement 8.
(2) open slot 5 one end of another group prestressed reinforcement 13 being passed connector is arranged in the bellmouth 11 of anchor ring 10 by intermediate plate 6, other end stretch-draw, due to the effect of intermediate plate 6, one end of prestressed reinforcement 13 is anchored at the prestressed reinforcement spreading realized in the bellmouth 11 of anchor ring 10; The two-piece type structure of intermediate plate 6 is inserted in anchor ring 10, makes the intermediate plate 6 of prestressed reinforcement in anchor ring 10 block tighter and tighter, and is locked in anchor ring 10 by prestressed reinforcement 13.
The stretch-draw direction that stretch-draw direction and another of one group of prestressed reinforcement 12 organize prestressed reinforcement 13 is contrary.
(3) form by staying the grout hole established to carry out being in the milk specially the construction that ater-casting 14 realizes prestressed reinforcement being provided with near this end of connector.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (8)
1. a prestressed reinforcement spreading connector, it is characterized in that: include body, on body, circumference is provided with several reinforced holes axially running through body, the outer edge of body upper part stretches out outside the outer edge of bottom, on the outer edge of body upper part, circumference is evenly equipped with several open slots for prestressed reinforcing bar, and the quantity of open slot is corresponding with the quantity of reinforced hole;
Or: the reinforced hole axially running through body is provided with at the center of body, several reinforced holes axially running through body are evenly equipped with in the outer circumference of this reinforced hole, the outer edge of body upper part stretches out outside the outer edge of bottom, on the outer edge of body upper part, circumference is evenly equipped with several open slots for prestressed reinforcing bar, and the quantity of open slot is corresponding with the quantity of reinforced hole;
The reinforced hole being positioned at body upper part is the up big and down small bellmouth of diameter, and in bellmouth, be provided with the intermediate plate for locking prestressed reinforcement, intermediate plate matches with bellmouth, and intermediate plate is made up of two arc-like sheets, and two arc-like sheets surround round table-like;
Described open slot lower end is provided with anchor ring, is provided with the bellmouth that diameter is up-small and down-big in anchor ring, is provided with the intermediate plate locking prestressed reinforcement in bellmouth, and intermediate plate is made up of two arc-like sheets, and two arc-like sheets surround round table-like.
2. a kind of prestressed reinforcement spreading connector according to claim 1, it is characterized in that: described body upper part and body lower part are split-type structural, body upper part and body lower part are coaxially set, and body upper part is installed on body lower part by screw.
3. a kind of prestressed reinforcement spreading connector according to claim 1, it is characterized in that: described reinforced hole runs through body upper part and body lower part, the reinforced hole of body upper part and the reinforced hole of body lower part are coaxially set.
4. a kind of prestressed reinforcement spreading connector according to claim 3, is characterized in that: the reinforced hole of described body lower part is cylindrical hole.
5. a kind of prestressed reinforcement spreading connector according to Claims 2 or 3, is characterized in that: described body lower part is the up-small and down-big round platform of diameter.
6. a kind of prestressed reinforcement spreading connector according to claim 1, is characterized in that: be provided with in described intermediate plate for the internal thread increased and rub between prestressed reinforcement.
7. a kind of prestressed reinforcement spreading connector according to claim 1, it is characterized in that: described open slot is arranged on the outer edge of body upper part, the inwall of open slot is arc surface, and tilts from top to bottom.
8. a construction method for a kind of prestressed reinforcement spreading connector as claimed in claim 1, is characterized in that: concrete steps are as follows:
(1) by needing one end of one of spreading group of prestressed reinforcement to be arranged in the reinforced hole of connector, in other end stretch-draw by intermediate plate, due to the effect of intermediate plate, one end of prestressed reinforcement is anchored in the reinforced hole of connector;
(2) one end of another group prestressed reinforcement is passed the open slot of connector and is arranged in the bellmouth of anchor ring, in other end stretch-draw by intermediate plate, due to the effect of intermediate plate, one end of prestressed reinforcement is anchored at the prestressed reinforcement spreading realized in the bellmouth of anchor ring;
(3) construction of prestressed reinforcement is realized by staying the grout hole established to carry out being in the milk specially being provided with near this end of connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410830256.5A CN104533020A (en) | 2014-12-26 | 2014-12-26 | Connector for lengthening prestressed steel bars and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410830256.5A CN104533020A (en) | 2014-12-26 | 2014-12-26 | Connector for lengthening prestressed steel bars and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104533020A true CN104533020A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410830256.5A Pending CN104533020A (en) | 2014-12-26 | 2014-12-26 | Connector for lengthening prestressed steel bars and construction method thereof |
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| CN (1) | CN104533020A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
| CN112709447A (en) * | 2020-12-25 | 2021-04-27 | 中铁一局集团有限公司 | Prestressed reinforcement tensioning equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920615A (en) * | 1982-07-02 | 1984-02-02 | デイツカ−ホツフ・ウント・ウイドマン・アクチエンゲゼルシヤフト | Fixer and connector for bundle stretching material for prestressed concrete |
| CN2550440Y (en) * | 2002-07-05 | 2003-05-14 | 耿书岭 | Contrapetal prestress rib connector |
| CN2556290Y (en) * | 2002-08-01 | 2003-06-18 | 张有龙 | Split connector for prestressed reinforcement |
| CN2575205Y (en) * | 2002-10-21 | 2003-09-24 | 柳州市建筑机械总厂 | Colourful composite tiles |
| KR20090129218A (en) * | 2008-06-12 | 2009-12-16 | 코오롱건설주식회사 | Prestressing strand connection coupler |
| CN204386037U (en) * | 2014-12-26 | 2015-06-10 | 天颂建设集团有限公司 | A kind of prestressed reinforcement spreading connector |
-
2014
- 2014-12-26 CN CN201410830256.5A patent/CN104533020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920615A (en) * | 1982-07-02 | 1984-02-02 | デイツカ−ホツフ・ウント・ウイドマン・アクチエンゲゼルシヤフト | Fixer and connector for bundle stretching material for prestressed concrete |
| CN2550440Y (en) * | 2002-07-05 | 2003-05-14 | 耿书岭 | Contrapetal prestress rib connector |
| CN2556290Y (en) * | 2002-08-01 | 2003-06-18 | 张有龙 | Split connector for prestressed reinforcement |
| CN2575205Y (en) * | 2002-10-21 | 2003-09-24 | 柳州市建筑机械总厂 | Colourful composite tiles |
| KR20090129218A (en) * | 2008-06-12 | 2009-12-16 | 코오롱건설주식회사 | Prestressing strand connection coupler |
| CN204386037U (en) * | 2014-12-26 | 2015-06-10 | 天颂建设集团有限公司 | A kind of prestressed reinforcement spreading connector |
Non-Patent Citations (1)
| Title |
|---|
| 林居章: "《预应力用整体对接式群锚连接器》", 《第十六届全国桥梁学术会议论文集（下册）》, 30 June 2004 (2004-06-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
| CN112709447A (en) * | 2020-12-25 | 2021-04-27 | 中铁一局集团有限公司 | Prestressed reinforcement tensioning equipment |
| CN112709447B (en) * | 2020-12-25 | 2022-05-17 | 中铁一局集团有限公司 | Prestressed reinforcement tensioning equipment |
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Application publication date: 20150422 |