CN102286936A - Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge - Google Patents
Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge Download PDFInfo
- Publication number
- CN102286936A CN102286936A CN2011101649434A CN201110164943A CN102286936A CN 102286936 A CN102286936 A CN 102286936A CN 2011101649434 A CN2011101649434 A CN 2011101649434A CN 201110164943 A CN201110164943 A CN 201110164943A CN 102286936 A CN102286936 A CN 102286936A
- Authority
- CN
- China
- Prior art keywords
- joint sleeve
- steel strand
- vertical
- pin
- times tensioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of a bridge, belonging to the post-anchorage connecting device of cantilever casting construction hanging baskets on a box beam and mainly solving the technical problems on the direct anchorage connection and the like between a steel strand vertical anchorage system of a box beam web and the cantilever casting hanging baskets. In the technical scheme, the connector comprises a box beam (7), universal connectors (6), hanging baskets (8) and pull rods (5), wherein the box beam (7) is provided with steel strand vertical two-time tensioning anchorages (9) which comprise back nuts (1), steel strands (3) and anchorage cups (2). The connector is characterized in that the universal connectors (6) are sleeved on the upper parts of the steel strand vertical two-time tensioning anchorages (9) on the box beam (7) in a matching manner; the upper parts of the universal connectors (6) are connected with the pull rods (5); the universal connectors (6) comprise lower connecting sleeves (4) and upper connecting sleeves (41); and the lower connecting sleeves (4) and the upper connecting sleeves (41) are connected by movable joints. By utilizing the universal connector, the problem on direct post-anchorage connection is effectively solved, especially the problem on direct post-anchorage connection between steel strand vertical prestressed tendons and the hanging baskets when the vertical prestressed tendon anchor backing plate and an anchoring center line incline relative to the deck is solved, the production process of embedding high-strength finish rolled threaded reinforcing bars as anchorages can be omitted, not only is the material consumption and the construction cost reduced but also the safety performance is increased, and the universal connector can be widely applied to the engineering of box beam cantilever casting construction.
Description
Technical field
The present invention relates to behind a kind of case beam cantilever casting construction Hanging Basket anchor system behind the vertical two times tensioning ground tackle of anchor connector, particularly case web steel strand and Hanging Basket.
Background technology
At present, the box girder bridge box girder construction all adopts the cantilever casting construction method, the cantilever casting construction Hanging Basket generally all is fixed on the case beam that finishes of having constructed, adopt the back anchor to be connected between Hanging Basket and the beam to overcome the power of toppling, the anchor connection of tradition back all adopts the telescopic connector of fining twisted steel to connect, and these connector two ends are T type screw thread.Along with technical development, beam case web has adopted the vertical two times tensioning ground tackle of steel strand system, need make the back anchor point by pre-buried high-strength finish rolling reinforcing bar in web when back anchor connects, thereby significantly increase steel consumption and construction cost.Because the steel strand vertical prestressing bar is the flexible force muscle, vertical force muscle anchored end backing plate and ground tackle center line be difficult to guarantee become with bridge floor 90 ° vertical; When after deflection occurring, utilizing the back anchor directly to be connected, might cause the pull bar gross distortion, influence its structure stress, thereby may cause construction safety risk with push-and-pull rod.
Summary of the invention
The purpose of this invention is to provide the vertical back of a kind of two times tensioning that is used for bridge cantilever casting construction Hanging Basket that directly the vertical two times tensioning ground tackle of Hanging Basket and steel strand system is connected anchor joint coupling.
The present invention solves the technical scheme that its technical problem takes: it comprises case beam 7, Hanging Basket 8 and pull bar 5, case beam 7 is provided with the vertical two times tensioning ground tackle 9 of steel strand, the vertical two times tensioning ground tackle 9 of steel strand comprises back nut 1, steel strand 3 and anchor cup 2, it is characterized in that: the top of the vertical two times tensioning ground tackle 9 of the steel strand on case beam 7 cooperates suit joint coupling 6, and the top of joint coupling 6 and pull bar 5 join; Described joint coupling 6 comprises lower joint sleeve 4 and upper joint sleeve 41, adopts movable joint to connect between lower joint sleeve 4 and the upper joint sleeve 41.Can be provided with external screw thread in anchor cup 2 upper periphery on the vertical two times tensioning ground tackle of steel strand 9 tops, be provided with the internal thread that matches with external screw thread on the anchor cup 2 in the lower inner wall of lower joint sleeve 4, lower joint sleeve 4 matches with the anchor cup 2 of the vertical two times tensioning ground tackle 9 of steel strand and is connected.Described pull bar 5 adopts T type thread screw or in the bottom of pull bar 5 screw thread is set, and the upper inside wall of upper joint sleeve 41 is provided with the internal thread that matches with pull bar 5 junctions, and upper joint sleeve 41 matches with pull bar 5 and is connected.
Upper joint sleeve of the present invention 41 bottoms and lower joint sleeve 4 tops are respectively arranged with hinged axis hole, the movable joint that adopts between lower joint sleeve 4 and the upper joint sleeve 41 is the cross axle adapter sleeve, described cross axle adapter sleeve comprises cross universal free bearing 42, lower bearing pin 44 and upper pin 43, the two ends of cross universal free bearing 42 are respectively arranged with and are mutually 90 ° of directions and arrange hinged axis hole, lower bearing pin 44 matches with the hinged axis hole of lower joint sleeve 4 and the hinged axis hole in lower end of cross universal free bearing 42 respectively, and upper pin 43 matches with the lower hinge axis hole of upper joint sleeve 41 and the hinged axis hole in upper end of cross universal free bearing 42 respectively.The two ends of described cross universal free bearing 42 are circular arc convex hinge, and two ends are mutually 90 ° of directions layouts up and down, and are provided with the round pin axis hole at circular arc convex surface end.Upper pin 43 and lower bearing pin 44 are an end step round pin axle, and the round pin axle other end is provided with the cottor pin circular hole, and cooperate construction opening pin 45.Lower joint sleeve 4 inner chamber length L are 45～400mm.
When the vertical two times tensioning anchor system of steel strand has been adopted in case web construction, adopt the present invention directly the vertical two times tensioning ground tackle of Hanging Basket and steel strand system to be connected, do not need again pre-buried high-strength finish rolling reinforcing bar to make the back anchor point, thereby solve the direct-connected difficult problem of anchor thereafter effectively, the direct connectivity problem of anchor behind steel strand vertical force muscle and the Hanging Basket when particularly having solved vertical force muscle anchor plate and anchoring center line and bridge floor generation inclination, and significantly reduced steel consumption, save construction cost.It can be widely used in adopting the cantilever casting construction method to carry out in the engineering of box girder construction.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the syndeton schematic diagram of upper joint sleeve and lower joint sleeve.
Fig. 3 is the present invention's structural representation in working order.
Fig. 4 is the local structure for amplifying schematic diagram of Fig. 3.
Among the figure: the 1-back nut; 2-anchor cup; The 3-steel strand; The 4-lower joint sleeve, 41-upper joint sleeve, 42-cross universal free bearing, 43-upper pin, 44-lower bearing pin, 45-cottor pin, 5-pull bar, 6-joint coupling, 7-case beam, 8-Hanging Basket, the vertical two times tensioning ground tackle of 9-steel strand.
The specific embodiment
That the invention will be further described is as follows below in conjunction with embodiment:
Embodiment 3, upper joint sleeve of the present invention 41 bottoms and lower joint sleeve 4 tops are respectively arranged with hinged axis hole, the movable joint that adopts between lower joint sleeve 4 and the upper joint sleeve 41 is the cross axle adapter sleeve, described cross axle adapter sleeve comprises cross universal free bearing 42, lower bearing pin 44 and upper pin 43, the two ends of cross universal free bearing 42 are respectively arranged with and are mutually 90 ° of directions and arrange hinged axis hole, lower bearing pin 44 matches with the hinged axis hole of lower joint sleeve 4 and the hinged axis hole in lower end of cross universal free bearing 42 respectively, and upper pin 43 matches with the lower hinge axis hole of upper joint sleeve 41 and the hinged axis hole in upper end of cross universal free bearing 42 respectively.Universal connector of hinged formation is carried out with upper joint sleeve 41 and lower joint sleeve 4 respectively by upper pin 43 and lower bearing pin 44 respectively in the two ends of cross universal free bearing 42, it can all around rotate, thereby make it flexible adaptation pull bar directly is connected with the vertical two times tensioning ground tackle 9 of steel strand that has taken place to tilt.It is step-like round pin axle that described upper pin 43 and lower bearing pin 44 can be designed to an end, and the round pin axle other end can be provided with the cottor pin circular hole, and cooperates construction opening pin 45.The two ends of described cross universal free bearing 42 also can be designed to circular arc convex hinge, and two ends are mutually 90 ° of directions layouts up and down, and are provided with the round pin axis hole at circular arc convex surface end.
The present invention also can adopt following specific design: specific design can adopt following specification: upper joint sleeve 41 external diameter φ 93mm, length 160mm, inner chamber T32 * 16T type screw thread; The wide 40mm. circular arc R of hinged end groove 50m bearing pin, hole φ 40mm.Cross universal free bearing 42 external diameter φ 98mm, the long 15mm of exterior circular column, convex hinge circular arc R 50, pin shaft hole φ 40mm.Lower joint sleeve 4 external diameter φ 112mm, length 170mm, endoporus φ 88; End thread M93 * 3; The hinged end groove is finished 40mm, circular arc R 50mm, pin shaft hole φ 40mm.50mm in last hollow pin axis body 5 diameter of axle φ 40mm. end pillow blocks, the long 4mm of shoulder, cotter-pin hold φ 6mm, the long 100mm of bearing pin, φ 5mm * 60mm, cottor pin.Lower bearing pin 44 diameter of axle φ 40mm, end pillow block φ 50mm, the long 4mm of shoulder, cotter-pin hold φ 6mm, the long 125mm of bearing pin, φ 5mm * 60mm cottor pin.Consult Fig. 1 to Fig. 4.
Protection scope of the present invention is not limited only to above-mentioned specific embodiment, so long as the method that adopts joint coupling directly pull bar to be linked to each other with the vertical ground tackle of the steel strand of now having constructed system, all within protection scope of the present invention.
Claims (7)
1. the vertical back of the two times tensioning that is used for bridge cantilever casting construction Hanging Basket anchor joint coupling, it comprises case beam (7), Hanging Basket (8) and pull bar (5), case beam (7) is provided with the vertical two times tensioning ground tackles of steel strand (9), the vertical two times tensioning ground tackles of steel strand (9) comprise back nut (1), steel strand (3) and anchor cup (2), it is characterized in that: the top of the vertical two times tensioning ground tackles of the steel strand on case beam (7) (9) cooperates suit joint coupling (6), and the top of joint coupling (6) and pull bar (5) join; Described connector (6) comprises lower joint sleeve (4) and upper joint sleeve (41), adopts movable joint to connect between lower joint sleeve (4) and the upper joint sleeve (41).
2. according to the described vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket of claim 1, it is characterized in that: anchor cup (2) upper periphery on the vertical two times tensioning ground tackles of steel strand (9) top is provided with external screw thread, be provided with the internal thread that matches with external screw thread on the anchor cup (2) in the lower inner wall of lower joint sleeve (4), lower joint sleeve (4) matches with the anchor cup (2) of the vertical two times tensioning ground tackles of steel strand (9) and is connected.
3. according to the described vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket of claim 1, it is characterized in that: described pull bar (5) adopts T type thread screw or in the bottom of pull bar (5) screw thread is set, the upper inside wall of upper joint sleeve (41) is provided with the internal thread that matches with pull bar (5) junction, and upper joint sleeve (41) matches with pull bar (5) and is connected.
4. according to the described vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket of claim 1, it is characterized in that: the top of the bottom of upper joint sleeve (41) and lower joint sleeve (4) is respectively arranged with hinged axis hole, the movable joint that adopts between lower joint sleeve (4) and the upper joint sleeve (41) is the cross axle adapter sleeve, described cross axle adapter sleeve comprises cross universal free bearing (42), lower bearing pin (44) and upper pin (43), the two ends of cross universal free bearing (42) are respectively arranged with and are mutually 90 ° of directions and arrange hinged axis hole, lower bearing pin (44) matches with the hinged axis hole of lower joint sleeve (4) and the hinged axis hole in lower end of cross universal free bearing (42) respectively, and upper pin (43) matches with the lower hinge axis hole of upper joint sleeve (41) and the hinged axis hole in upper end of cross universal free bearing (42) respectively.
5. according to the described vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket of claim 4, it is characterized in that: the two ends of described cross universal free bearing (42) are circular arc convex hinge, two ends are mutually 90 ° of directions and arrange that circular arc convex surface end is provided with the round pin axis hole up and down.
6. according to the described vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket of claim 4, it is characterized in that: upper pin (43) and lower bearing pin (44) are an end step round pin axle, the round pin axle other end is provided with the cottor pin circular hole, and cooperates construction opening pin (45).
7. the vertical back of the two times tensioning anchor joint coupling that is used for bridge cantilever casting construction Hanging Basket according to claim 1, it is characterized in that: lower joint sleeve (4) inner chamber length L is 45～400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164943.4A CN102286936B (en) | 2011-06-18 | 2011-06-18 | Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164943.4A CN102286936B (en) | 2011-06-18 | 2011-06-18 | Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102286936A true CN102286936A (en) | 2011-12-21 |
| CN102286936B CN102286936B (en) | 2015-04-29 |
Family
ID=45333666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110164943.4A Expired - Fee Related CN102286936B (en) | 2011-06-18 | 2011-06-18 | Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102286936B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746800A (en) * | 2015-03-26 | 2015-07-01 | 中铁第五勘察设计院集团有限公司 | Finish-rolling deformed bar and pin connector with force measurement device |
| CN105626107A (en) * | 2016-03-15 | 2016-06-01 | 刘允勇 | Bendable connector |
| CN107221736A (en) * | 2017-05-27 | 2017-09-29 | 西安工业大学 | Satellite precise positioning instrument installs positioning rack with mechanical damping |
| CN109629444A (en) * | 2019-01-16 | 2019-04-16 | 温州市建设监理有限公司 | Anchor connection structure after a kind of municipal administration bridge construction Hanging Basket |
| CN116788759A (en) * | 2023-08-28 | 2023-09-22 | 常州奥普恩自动化科技有限公司 | Rubber belt conveying device and conveying method for underground coal mine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544301A (en) * | 1991-08-14 | 1993-02-23 | Nippon Steel Corp | Tubular tension material |
| CN201217777Y (en) * | 2008-07-07 | 2009-04-08 | 邵旭东 | Vertical pre-stress anchorage structure of low-retraction steel stranded wire |
| CN101672015A (en) * | 2009-08-27 | 2010-03-17 | 孙广喜 | Multi-anchor rod hydraulic anchor device |
| CN101696591A (en) * | 2009-10-27 | 2010-04-21 | 哈尔滨工业大学 | Steel strand connector |
| CN202181515U (en) * | 2011-06-18 | 2012-04-04 | 湘潭欧之姆预应力锚具有限公司 | Universal connector for vertical secondary-stretching stern anchor used for hanging basket in bridge cantilever casting construction |
-
2011
- 2011-06-18 CN CN201110164943.4A patent/CN102286936B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544301A (en) * | 1991-08-14 | 1993-02-23 | Nippon Steel Corp | Tubular tension material |
| CN201217777Y (en) * | 2008-07-07 | 2009-04-08 | 邵旭东 | Vertical pre-stress anchorage structure of low-retraction steel stranded wire |
| CN101672015A (en) * | 2009-08-27 | 2010-03-17 | 孙广喜 | Multi-anchor rod hydraulic anchor device |
| CN101696591A (en) * | 2009-10-27 | 2010-04-21 | 哈尔滨工业大学 | Steel strand connector |
| CN202181515U (en) * | 2011-06-18 | 2012-04-04 | 湘潭欧之姆预应力锚具有限公司 | Universal connector for vertical secondary-stretching stern anchor used for hanging basket in bridge cantilever casting construction |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746800A (en) * | 2015-03-26 | 2015-07-01 | 中铁第五勘察设计院集团有限公司 | Finish-rolling deformed bar and pin connector with force measurement device |
| CN105626107A (en) * | 2016-03-15 | 2016-06-01 | 刘允勇 | Bendable connector |
| CN107221736A (en) * | 2017-05-27 | 2017-09-29 | 西安工业大学 | Satellite precise positioning instrument installs positioning rack with mechanical damping |
| CN109629444A (en) * | 2019-01-16 | 2019-04-16 | 温州市建设监理有限公司 | Anchor connection structure after a kind of municipal administration bridge construction Hanging Basket |
| CN109629444B (en) * | 2019-01-16 | 2020-07-21 | 温州市建设监理有限公司 | Anchor connection structure behind basket is hung in municipal bridge engineering construction |
| CN116788759A (en) * | 2023-08-28 | 2023-09-22 | 常州奥普恩自动化科技有限公司 | Rubber belt conveying device and conveying method for underground coal mine |
| CN116788759B (en) * | 2023-08-28 | 2023-11-10 | 常州奥普恩自动化科技有限公司 | Rubber belt conveying device and conveying method for underground coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102286936B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202181510U (en) | Double-tensioning vertical rear anchor direct-connecting connector for bridge suspended pouring construction hanging basket | |
| CN102286936B (en) | Two-time tensioning vertical post-anchorage universal connector for cantilever casting construction hanging baskets of bridge | |
| CN204112354U (en) | The syndeton of concrete precast pile and pile foundation support table | |
| CN203569582U (en) | Connecting structure of concrete pipe pile and bearing platform | |
| CN110409304A (en) | A kind of precast segment bent cap free cantilever erection construction method | |
| CN103590414A (en) | Structure for connecting concrete tubular pile with bearing platform | |
| CN204590239U (en) | New-type assembly concrete post, beam prefabricated structure | |
| CN111350269A (en) | Prefabricated part, prefabricated part and bearing platform connecting structure and prefabricated part machining method | |
| CN110318342A (en) | A kind of precast segment bent cap free cantilever erection constructing device | |
| CN203769404U (en) | High-intensity post-tensioning reinforced concrete pole | |
| CN202181515U (en) | Universal connector for vertical secondary-stretching stern anchor used for hanging basket in bridge cantilever casting construction | |
| CN203546625U (en) | Replacing device of tied-arch bridge rigidity suspender | |
| CN210857607U (en) | Frame structure of building wall | |
| CN102644278A (en) | Prestress steel-plastic structure retaining cantilever pile with reinforced plastic stirrups | |
| CN204125962U (en) | The king-tower post of single-column Guywire tower and the syndeton on basis | |
| CN204828974U (en) | Prefabricated pipe of reinforced concrete | |
| CN102261044A (en) | Secondary tensioning vertical rear anchoring straight connector for bridge suspending casting construction hanging basket | |
| CN103909574B (en) | The production technology of large moment of flexure high strength post tensioned steel concurrent and electric pole | |
| CN205663175U (en) | Adjustable reinforcing pull rod formula scaffold frame of encorbelmenting | |
| CN214144249U (en) | Civil engineering foundation flexible structure | |
| CN202543911U (en) | Support cantilever pile with composite structure of prestress reinforced plastic bars and prestress steel nooses | |
| CN212802690U (en) | Steel frame reforms transform reinforced structure in building | |
| CN209673608U (en) | A kind of concrete reinforcement corrosion test bracket | |
| CN203821385U (en) | Lock type connecting device for prestressed prefabricated concrete pile and lock type connector pile | |
| CN203769405U (en) | Large-bending moment high-intensity post-tensioning reinforced concrete pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20190618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |