CN103306204B - Three-way positioning device for base steel anchor box - Google Patents
Three-way positioning device for base steel anchor box Download PDFInfo
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- CN103306204B CN103306204B CN201310243566.2A CN201310243566A CN103306204B CN 103306204 B CN103306204 B CN 103306204B CN 201310243566 A CN201310243566 A CN 201310243566A CN 103306204 B CN103306204 B CN 103306204B
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Abstract
The invention discloses a three-way positioning device for a base steel anchor box. The three-way positioning device comprises a profile steel base, a steel pipe bracket system and a jack fine-adjustment system, wherein concrete embedded steel plates are welded at the bottom of the profile steel base and arranged in a # shape; the steel pipe bracket system comprises steel pipes and flat joints; the four steel pipes are vertical to the middle of the profile steel base respectively; the flat joints are arranged on the four steel pipes and divided into upper and lower layers; the jack fine-adjustment system comprises jacks and jack rear seats; the number of the jacks is 16; the 12 jacks are arranged on the jack rear seats welded on the profile steel base; the 8 jacks are arranged in an X-axis direction; the 4 jacks are arranged in a Y-axis direction; and the rest 4 jacks are flat jacks and are arranged at the two edges on the inner sides of the two vertical edges of the # shape of the profile steel base in a z-axis direction respectively and directly arranged on the bottom concrete surface. The three-way positioning device solves the problem of difficulty for positioning in the cable tower base steel anchor box, has the characteristics of simplicity for operation, convenience for construction, accuracy for positioning, high work efficiency and the like, lowers the construction difficulty and saves the construction cost.
Description
Technical field
The present invention relates to bridge construction field, particularly a kind of Cable-stayed Bridge Pylon pedestal steel anchor box accurate positioning device.
Background technology
Anchorage Zone of Cable-stayed Bridge Pylon is designed with steel anchor box structure usually, to resist the powerful horizontal component of suspension cable, anchorage zone first segment steel anchor box is also known as pedestal steel anchor box, usually have structure large, from heavy, positioning accuracy request high, its precision controlling installing location is the key technology of cable-pylon anchorage zone construction, the installation accuracy of pedestal steel anchor box directly affects the geometry linear of whole anchorage zone steel anchor box, on later stage inclined cable long determine and stretching control force impact larger.In current domestic CONSTRUCTION OF CABLE-STAYED BRIDGE, there is no the ripe accurate positioning process of pedestal steel anchor box, first levelling lower concrete face usually, conventional pedestal steel anchor box location, then steel anchor box surrounding end line is ejected, utilize tower crane to promote pedestal steel anchor box, hand fit's dropping place, it is not high to there is positioning precision in the method, accurate adjustment cannot be realized, time-consuming and poor effect.Therefore, the positioner of appropriate design pedestal steel anchor box, ensures that the installation accuracy of pedestal steel anchor box is the key of suspension cable cable-pylon anchorage zone construction.
Summary of the invention
The object of the invention is to provide a kind of Sarasota pedestal steel anchor box three-dimensional formula positioner, and this device can realize the three-dimensional accurate adjustment location of pedestal steel anchor box, has simple to operate, easy construction, registration, operating efficiency high.
Technical scheme of the present invention is: a kind of pedestal steel anchor box three-dimensional formula positioner, it comprises: shaped steel pedestal, steel pipe support system, jack micro-tensioning system, described shaped steel base bottom is welded with concrete embedded steel plate, arranges, form firm system in " well " font; Described steel pipe support system is made up of steel pipe, lateral, and described steel pipe has four and respectively perpendicular to shaped steel pedestal medium position place, and described lateral to be arranged on four steel pipes and to be divided into two-layer up and down; Described jack micro-tensioning system is made up of jack and jack back seat, described jack has 16, wherein 12 jack are arranged on jack back seat that shaped steel pedestal welds, wherein eight arrange along X-direction, four, along Y direction arrangement, can meet the transverse and longitudinal accurate adjustment of pedestal steel anchor box; Remaining another four jack is that flat formula jack is arranged on shaped steel pedestal " well " font two vertical edges respectively along the z-axis direction, and be directly arranged on lower concrete face, active force is applied at pedestal steel anchor box supporting leg end plate place, levelling pedestal steel anchor box, between pedestal steel anchor box and shaped steel pedestal, gap can adopt stalloy to clog.
Described steel pipe support system is welded on shaped steel pedestal.
Steel pipe height in described steel pipe support system is consistent with steel anchor box height of landing leg, for supporting base steel anchor box median septum, can meet pedestal steel anchor box piecemeal lifting location needs.
Described shaped steel pedestal " well " font Nodes arranges pedestal steel anchor box supporting leg bottom plate.
Compared with the prior art, beneficial effect of the present invention is as follows:
By the research to Sarasota pedestal steel anchor box positioner and key construction technology, have developed a kind of Sarasota pedestal steel anchor box three-dimensional formula positioner, efficiently solve common process positioning precision not high, accurate adjustment cannot be realized, time-consuming and the shortcoming of poor effect, for similar bridge engineering construction provides reference.
Sarasota pedestal steel anchor box three-dimensional formula positioner has simple to operate, easy construction, registration, operating efficiency high in the construction of Cable-stayed Bridge Pylon steel anchor box, has larger promotion and facilitation to the construction technology improving Cable-stayed Bridge Pylon pedestal steel anchor box.Meanwhile, for this positioner carry out design research and development innovatively, application study makes this device have more wide promotional value.
Accompanying drawing explanation
Fig. 1 is the top view of shaped steel pedestal of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is positioning pedestal steel anchor box schematic diagram of the present invention.
Wherein: 1, shaped steel pedestal, 2, jack back seat, 3, jack, 4, flat formula jack, 5, steel pipe, 6, lateral, 7, pedestal steel anchor box.
Detailed description of the invention
This enforcement is classified as a kind of pedestal steel anchor box three-dimensional formula positioner, and it comprises: shaped steel pedestal 1, steel pipe support system, jack micro-tensioning system form.
As shown in Figure 1, shaped steel pedestal 1 bottom welding has concrete embedded steel plate, and arranges in " well " font, forms firm system; As shown in Figure 2, steel pipe support system is made up of steel pipe 5, lateral 6, and described steel pipe 5 has four and respectively perpendicular to shaped steel pedestal 1 medium position place, and described lateral 6 to be arranged on four steel pipes 5 and to be divided into two-layer up and down; Described jack micro-tensioning system is made up of jack 3 and jack back seat 2, described jack 3 has 16, wherein 12 jack are arranged on jack back seat that shaped steel pedestal welds, wherein eight arrange along X-direction, four, along Y direction arrangement, can meet the transverse and longitudinal accurate adjustment of pedestal steel anchor box; Remaining another four jack is that flat formula jack 4 is arranged on shaped steel pedestal 1 " well " font two vertical edges respectively along the z-axis direction, and be directly arranged on lower concrete face, active force is applied at pedestal steel anchor box 7 supporting leg end plate place, levelling pedestal steel anchor box 7, between pedestal steel anchor box 7 and shaped steel pedestal 1, gap can adopt stalloy to clog
During sections concreting under pedestal steel anchor box 7, at the pre-buried horizontal steel plate of " well " font shaped steel pedestal 1 correspondence position, two pieces are no less than under every root type steel, the lower slightly 2-3mm of the more theoretical elevation of relative elevation of pre-embedded steel slab, shaped steel pedestal 1 and steel pipe 5, lateral 6 and jack back seat 2 are welded into entirety on ground, tower crane is utilized to lift, leveling type base steel seat 1, before lifting pedestal steel anchor box 7, the shaped steel pedestal 1 of positioner ejects the end line of steel anchor box, lifting pedestal steel anchor box 7, according to the end line of bullet just locate, jack 3 and flat formula jack 4 are installed, according to end line and survey data adjustment three-way jack until satisfied design and code requirement, thus complete the accurate location of pedestal steel anchor box 7.
Claims (2)
1. a pedestal steel anchor box three-dimensional formula positioner, it comprises: shaped steel pedestal, steel pipe support system, jack micro-tensioning system, it is characterized in that described shaped steel base bottom is welded with concrete embedded steel plate, arranges in " well " font; Described steel pipe support system is made up of steel pipe, lateral, and described steel pipe has four and respectively perpendicular to shaped steel pedestal medium position place, and described lateral to be arranged on four steel pipes and to be divided into two-layer up and down; Described jack micro-tensioning system is made up of jack and jack back seat, described jack has 16, wherein 12 jack are arranged on jack back seat that shaped steel pedestal welds, and wherein eight along X-direction arrangement, and four arrange along Y direction; Remaining another four jack is that flat formula jack is arranged on shaped steel pedestal " well " font two vertical edges along Z-direction respectively, and is directly arranged on lower concrete face.
2. pedestal steel anchor box three-dimensional formula positioner according to claim 1, is characterized in that described steel pipe support system is welded on shaped steel pedestal.
3. pedestal steel anchor box three-dimensional formula positioner according to claim 1, is characterized in that the steel pipe height in described steel pipe support system is consistent with steel anchor box height of landing leg.
4. pedestal steel anchor box three-dimensional formula positioner according to claim 1, is characterized in that described shaped steel pedestal " well " font Nodes arranges pedestal steel anchor box supporting leg bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310243566.2A CN103306204B (en) | 2013-06-19 | 2013-06-19 | Three-way positioning device for base steel anchor box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310243566.2A CN103306204B (en) | 2013-06-19 | 2013-06-19 | Three-way positioning device for base steel anchor box |
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| Publication Number | Publication Date |
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| CN103306204A CN103306204A (en) | 2013-09-18 |
| CN103306204B true CN103306204B (en) | 2015-04-08 |
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| CN201310243566.2A Active CN103306204B (en) | 2013-06-19 | 2013-06-19 | Three-way positioning device for base steel anchor box |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790115B (en) * | 2014-02-20 | 2015-12-09 | 中铁十局集团第三建设有限公司 | Cable stayed bridge head tower adapter section installation accessory |
| CN104499435B (en) * | 2014-12-18 | 2017-01-04 | 中铁建设集团有限公司 | Bracket for mounting self-anchored cable-stayed bridge cable-stayed saddle base |
| CN106149563B (en) * | 2016-08-26 | 2017-11-28 | 中铁四局集团第二工程有限公司 | Steel anchor beam accurate positioning device and installation method built in free-standing Sarasota |
| CN114214960A (en) * | 2018-09-12 | 2022-03-22 | 中交路桥华南工程有限公司 | Prefabricated positioning system for steel beam sections |
| CN111549669A (en) * | 2020-04-30 | 2020-08-18 | 中冶(上海)钢结构科技有限公司 | Six-direction adjusting device for bridge and construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08120620A (en) * | 1994-10-24 | 1996-05-14 | P S Co Ltd | Block manufacturing device of short line type |
| CN101033604A (en) * | 2006-03-08 | 2007-09-12 | 上海市基础工程公司 | Accurate installation process for oversea bridge binding beam 0# section |
| CN101200878A (en) * | 2007-12-28 | 2008-06-18 | 中铁四局集团第五工程有限公司 | Continuous girder frusta top segment precisely locating apparatus and precisely locating construction technique thereof |
| CN202214674U (en) * | 2011-08-25 | 2012-05-09 | 重庆新科建设工程有限公司 | Straddle-type track traffic engineering support saddle anchoring box installation and adjusting device |
| CN203403366U (en) * | 2013-06-19 | 2014-01-22 | 中铁四局集团第二工程有限公司 | Three-way positioning device for base steel anchor box |
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Owner name: CHINA TIESIJU CIVIL ENGINEERING GROUP CO., LTD. CH Effective date: 20150612 |
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Effective date of registration: 20150612 Address after: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 9 215131 Patentee after: No.2 Engineering Co., Ltd., Zhongtie No.4 Bureau Group Patentee after: China Tiesiju Civil Engineering Group Co., Ltd. Patentee after: CHINA RAILWAY CORPORATION Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 9 215131 Patentee before: No.2 Engineering Co., Ltd., Zhongtie No.4 Bureau Group |