CN201560398U - Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge - Google Patents

Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge Download PDF

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Publication number
CN201560398U
CN201560398U CN 200920292942 CN200920292942U CN201560398U CN 201560398 U CN201560398 U CN 201560398U CN 200920292942 CN200920292942 CN 200920292942 CN 200920292942 U CN200920292942 U CN 200920292942U CN 201560398 U CN201560398 U CN 201560398U
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CN
China
Prior art keywords
guide pipe
cable guide
cable
internal mold
steel internal
Prior art date
Application number
CN 200920292942
Other languages
Chinese (zh)
Inventor
彭立志
应虹
田连民
李勇
阎王虎
王俊伟
顼春江
檀兴华
樊俊丽
Original Assignee
中交路桥华北工程有限公司
路桥集团国际建设股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中交路桥华北工程有限公司, 路桥集团国际建设股份有限公司 filed Critical 中交路桥华北工程有限公司
Priority to CN 200920292942 priority Critical patent/CN201560398U/en
Application granted granted Critical
Publication of CN201560398U publication Critical patent/CN201560398U/en

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Abstract

An inner steel mould for accurately positioning the tower column cable sleeves of a cable-stayed bridge is of a quadrangular tube structure, one side tube wall of the inner steel mould is bent towards the inside of the tube, a cable sleeve mounting plate is formed in the tube, a cable sleeve mounting hole is arranged on the cable sleeve mounting plate, a cable sleeve positioning block is arranged at the periphery of the cable sleeve mounting hole, and a cable sleeve positioning support is fixedly arranged below the cable sleeve mounting plate and on the outside wall of the tube of the inner steel framework.

Description

Be used for the pinpoint steel internal mold of cable-stayed bridge pylon cable guide pipe
Technical field
The utility model relates to a kind of internal mold of stayed bridge pylon cable construction, particularly a kind of pinpoint steel internal mold of cable-stayed bridge pylon cable guide pipe that is used for.
Background technology
Suspension cable is the bearing system of cable-stayed bridge main-beam.See shown in Figure 1ly, suspension cable is to lead 2 and go out by being embedded in cable guide pipe in the steel concrete king-post 1, and described cable guide pipe 2 is made of steel sleeve 21 and the anchor plate 22 that is fixedly arranged on steel sleeve one end.During king-post 1 construction, high to the positioning accuracy request of cable guide pipe 2, because the quality of the positioning accuracy of cable guide pipe decision suspension cable construction quality, and it is stressed directly to influence pontic.
Have in the construction of rope district at king-post at present, what fluid concrete used is wooden internal mold, wooden internal mold will be taken off behind the casting complete.All carry out in the king-post work progress existing cable guide pipe location, according to the requirement to the cable guide pipe installation accuracy, on king-post cable guide pipe is cut correction and debugging in the work progress.Because the king-post construction belongs to work high above the ground, construction space is narrow and small, especially leaning tower post, on tower, cable guide pipe is accurately located the very big difficulty of existence, and in work progress king-post reinforcing bar, stiff skeleton, ring orientation prestress steel bundle, cable guide pipe and other the various built-in fittings ballast that influences each other, also directly strengthened the pinpoint difficulty of cable guide pipe, in addition, cable guide pipe is revised in cutting in the king-post work progress, and the king-post engineering time will be increased, and influences construction speed.
The utility model content
Technical problem to be solved in the utility model is that the deficiency at existing cable guide pipe localization method provides in a kind of work progress and can realize the cable-stayed bridge pylon cable guide pipe accurate positioning device simply fast.
The utility model is realized by following technical scheme:
Be used for the pinpoint steel internal mold of cable-stayed bridge pylon cable guide pipe, it is characterized in that: described steel internal mold is four rib tubular constructions, one side tube-wall bending in tube of described steel internal mold, in tube, form a cable guide pipe installing plate, described cable guide pipe installing plate is provided with the cable guide pipe installing hole, described cable guide pipe installing hole periphery is provided with the cable guide pipe locating piece, below the described cable guide pipe installing plate, set firmly the cable guide pipe locating support on the steel internal mold drum outer wall.
Advantage of the present utility model is:
The aerial location of the cable guide pipe that difficulty is very big in the king-post construction can be converted into land factory location, thereby reduce the cable guide pipe positioning difficulty in the king-post construction, carry the cable guide pipe high position precision, accelerate speed of application.Before king-post construction, in advance at the steel internal mold of factory process pass line conduit, and in advance on the steel internal mold that processes trial assembly adjust cable guide pipe, cut correction as required accordingly, make it reach predetermined installation accuracy; During the king-post construction, the steel internal mold is installed earlier, and with the permanent structure of steel internal mold as king-post, the state when pressing the cable guide pipe debugging then is installed in cable guide pipe on the steel internal mold directly, operation is simple, and is quick for installation, and the positioning accuracy height has shortened construction period.
Description of drawings
Fig. 1 is a stayed bridge pylon cable suspension cable section cross-sectional schematic.
Fig. 2 is steel internal mold and a cable guide pipe mounting structure schematic diagram among a kind of embodiment of the present utility model.
Fig. 3 is a cable guide pipe installation and locating method schematic diagram in the utility model construction.
The specific embodiment
As shown in Figure 2, steel internal mold 3 of the present utility model is four rib tubular constructions, one side tube-wall bending in tube of described steel internal mold, in tube, form a cable guide pipe installing plate 31, described cable guide pipe installing plate 31 is provided with cable guide pipe installing hole 32, cable guide pipe installing hole 32 peripheries are provided with cable guide pipe locating piece 33, below the described cable guide pipe installing plate 31, be provided with cable guide pipe locating support 34 on the steel internal mold drum outer wall.
Embodiment shown in Figure 2, steel internal mold are oblique four rib cylindrical shells, when specifically implementing, also can be shapes such as positive four rib cylindrical shells, tetragonous cone table cylindrical shell.
During cable guide pipe installing hole 32 on the machined steel internal mold, earlier with the position setting-out of cable guide pipe anchor point on described cable guide pipe installing plate 31, form cable guide pipe installing hole 32 according to the perforate on the cable guide pipe installing plate of anchor point position.
After machining cable guide pipe installing hole 32, earlier cable guide pipe 2 is carried out trial assembly.With bolt that anchor plate 22 ends and the cable guide pipe installing plate 31 of cable guide pipe is temporary fixed, the cable guide pipe other end, promptly cable guide pipe cylindrical shell end opening place adopts shaped steel to locate temporarily.According to the parameters that design, monitoring unit provide, cable guide pipe is accurately located with total powerstation.Adopting measurement pattern to survey cable guide pipe axis characteristic point coordinate figure during the location compares with design load, providing characteristic point, to come the guiding operation personnel that cable guide pipe is adjusted in the difference of pile No., offset distance, these three positions of absolute altitude in place, and require cable guide pipe is cut correction accordingly according to installation accuracy, after meeting the requirements of installation accuracy, at cable guide pipe installing hole 32 periphery welding cable guide pipe locating pieces 33, and set firmly cable guide pipe locating support 34, thereby guarantee that cable guide pipe can not move and accurate positioning in welding below the cable guide pipe installing plate 31, on the steel internal mold outer wall.
Described cable guide pipe locating support 34 has the steel plate of semi-circular recesses, semi-circular recesses place supporting cables conduit 2 for the upper end.
Because need to install a plurality of cable guide pipes 2 on the king-post, therefore the steel internal mold 3 of processing also has a plurality of.The last bottom surface of described each steel internal mold is provided with flange, can connect with bolt 4 by flange between a plurality of steel internal molds, and bolt 4 is divided into pad, to make things convenient for the steel internal mold to save up and down the contraposition connection is installed.Rubber pad is adopted in the junction, guarantees that steel internal mold piece is tight.
For easy to process, each steel internal mold also can adopt the segmented processing of level, then each stage is coupled together, and connected mode is identical with connected mode between the above-mentioned steel internal mold.
Steel internal mold allowable error after the machine-shaping: panel planeness≤1.5mm, any diagonal error≤5.0mm, range error≤1.0mm between any eyelet of horizontal, vertical connecting bolt, the edge of horizontal, vertical connection overlaps with panel edges, avoids the uneven butt joint imprecision that causes template of face plate edge.
" 2+1 " moulding bed mode is adopted in the processing of steel internal mold, guarantees butt joint of steel internal mold and linear quality.The bed-plate dimension up and down of each steel internal mold may be different, but the cross sectional shape of going to the bottom of a last steel internal mold is identical with the upper base cross sectional shape of the following square steel internal mold that is connected.Therefore adopt and process two steel internal molds that are connected earlier, after the assembling, determine again on this basis and the 3rd steel internal mold above the processing, promptly described " 2+1 " moulding bed form, with guarantee after a plurality of steel internal molds assemblings seamed edge in line.
Cable guide pipe 2 trial assemblies disassemble cable guide pipe 2 after reaching predetermined installation accuracy from steel internal mold 3, transport steel internal mold and the cable guide pipe that processes to job site.
Shown in Figure 3, be to use the mode schematic diagram that the utility model carries out the king-post construction.King-post has rope district when construction, earlier steel internal mold 3 is lifted on the king-post 1 and fixing, then direct pass line conduit 2 on the steel internal mold 3 that fixes.The anchor plate 22 of cable guide pipe 2 is by locating piece 33 location of cable guide pipe installing hole 32 peripheries, and with anchor plate 22 by bolt on described cable guide pipe installing plate 31, the other end of cableway pipe 2 supports by the described locating support 34 of being located at steel internal mold drum outer wall.According to measuring the characteristic point coordinate cable guide pipe positioning accuracy is carried out repetition measurement, guarantee the location accurately, then that cable guide pipe 2 is fixing with the welding of steel internal mold.
In the same way, on mounted steel internal mold, follow-up location steel internal mold and cable guide pipe are installed, and will be connected and fixed with bolt by described flange between all steel internal molds.
By with upper type, can with cable guide pipe fast accurately location and installation on the steel internal mold.Suspension cable section concrete casting and constructing adopts steel internal mold 3 as inner formword, and after concrete pouring was finished, described steel internal mold 3 was retained in the leaning tower post, as the permanent structure of king-post.

Claims (3)

1. be used for the pinpoint steel internal mold of cable-stayed bridge pylon cable guide pipe, it is characterized in that: described steel internal mold is four rib tubular constructions, one side tube-wall bending in tube of described steel internal mold, in tube, form a cable guide pipe installing plate, described cable guide pipe installing plate is provided with the cable guide pipe installing hole, described cable guide pipe installing hole periphery is provided with the cable guide pipe locating piece, below the described cable guide pipe installing plate, set firmly the cable guide pipe locating support on the steel internal mold drum outer wall.
2. steel internal mold according to claim 1 is characterized in that: the upper end of described cable guide pipe locating support is provided with semi-circular recesses.
3. steel internal mold according to claim 1 is characterized in that: the last bottom surface of described steel internal mold is equipped with adpting flange.
CN 200920292942 2009-12-15 2009-12-15 Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge CN201560398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200920292942 CN201560398U (en) 2009-12-15 2009-12-15 Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200920292942 CN201560398U (en) 2009-12-15 2009-12-15 Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge

Publications (1)

Publication Number Publication Date
CN201560398U true CN201560398U (en) 2010-08-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200920292942 CN201560398U (en) 2009-12-15 2009-12-15 Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge

Country Status (1)

Country Link
CN (1) CN201560398U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286928A (en) * 2011-08-29 2011-12-21 中铁六局集团有限公司 Cableway pipe three-dimensional coordinate controller and manufacturing method thereof
CN102493334A (en) * 2011-11-30 2012-06-13 上海市城市建设设计研究总院 Bearing platform cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof
CN103669213A (en) * 2013-11-19 2014-03-26 中建三局建设工程股份有限公司 Device and method for positioning vibration damping and waterproof cable guide pipe
CN104264588A (en) * 2014-09-23 2015-01-07 中交第二航务工程局有限公司 Cable duct locating device
CN105113411A (en) * 2015-08-03 2015-12-02 中铁港航局集团有限公司 Method for mounting and rapidly and accurately positioning main tower cable guide pipe of cable-stayed bridge
CN107090775A (en) * 2017-05-24 2017-08-25 中交第二航务工程局有限公司 A kind of full framing space beam-ends cable guide pipe construction localization method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286928A (en) * 2011-08-29 2011-12-21 中铁六局集团有限公司 Cableway pipe three-dimensional coordinate controller and manufacturing method thereof
CN102286928B (en) * 2011-08-29 2013-02-13 中铁六局集团有限公司 Cableway pipe three-dimensional coordinate controller and manufacturing method thereof
CN102493334A (en) * 2011-11-30 2012-06-13 上海市城市建设设计研究总院 Bearing platform cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof
CN103669213A (en) * 2013-11-19 2014-03-26 中建三局建设工程股份有限公司 Device and method for positioning vibration damping and waterproof cable guide pipe
CN104264588A (en) * 2014-09-23 2015-01-07 中交第二航务工程局有限公司 Cable duct locating device
CN104264588B (en) * 2014-09-23 2016-06-29 中交第二航务工程局有限公司 Cable guide pipe positioner
CN105113411A (en) * 2015-08-03 2015-12-02 中铁港航局集团有限公司 Method for mounting and rapidly and accurately positioning main tower cable guide pipe of cable-stayed bridge
CN107090775A (en) * 2017-05-24 2017-08-25 中交第二航务工程局有限公司 A kind of full framing space beam-ends cable guide pipe construction localization method
CN107090775B (en) * 2017-05-24 2018-12-28 中交第二航务工程局有限公司 A kind of full framing space beam-ends cable guide pipe construction localization method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20120718

Address after: 101100 auspicious garden 19, Beijing, Tongzhou District

Co-patentee after: Road & Bridge International Co., Ltd.

Patentee after: China Communications Road and Bridge North China Engineering Co., Ltd.

Address before: 101100 auspicious garden 19, Beijing, Tongzhou District

Co-patentee before: CRBC International Co., Ltd.

Patentee before: China Communications Road and Bridge North China Engineering Co., Ltd.

Effective date of registration: 20120718

Address after: 101100 auspicious garden 19, Beijing, Tongzhou District

Co-patentee after: Road & Bridge International Co., Ltd.

Patentee after: China Communications Road and Bridge North China Engineering Co., Ltd.

Address before: 101100 auspicious garden 19, Beijing, Tongzhou District

Co-patentee before: CRBC International Co., Ltd.

Patentee before: China Communications Road and Bridge North China Engineering Co., Ltd.

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: CCCC ROAD AND BRIDGE CONSTRUCTION CO., LTD.

Free format text: FORMER OWNER: ROAD + BRIDGE GROUP INTERNATIONAL CONSTRUCTION CO., LTD.

Effective date: 20120718

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100825