CN101691740B - Construction control device for pedestal pre-embedded steel plates of pre-stressed concrete box girder - Google Patents
Construction control device for pedestal pre-embedded steel plates of pre-stressed concrete box girder Download PDFInfo
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- CN101691740B CN101691740B CN2009101860216A CN200910186021A CN101691740B CN 101691740 B CN101691740 B CN 101691740B CN 2009101860216 A CN2009101860216 A CN 2009101860216A CN 200910186021 A CN200910186021 A CN 200910186021A CN 101691740 B CN101691740 B CN 101691740B
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Abstract
The invention discloses a construction control device for pedestal pre-embedded steel plates of a pre-stressed concrete box girder, which comprises a basin-shaped box girder bottom mould pedestal steel plate. The construction control device is characterized in that: the pedestal pre-embedded steel plates with the same structure are placed in a groove of the box girder bottom mould pedestal steel plate so as to limit the horizontal displacement of the pedestal pre-embedded steel plates; a plurality of vertically-downward limiting adjusting bolts tightly withstand the pedestal pre-embedded steel plates upwards; and four pedestal anchor bolts tighten the pedestal pre-embedded steel plates downwards so as to limit the vertical displacement of the pedestal pre-embedded steel plates. The construction control device mainly realizes the slope adjustment of the pedestal pre-embedded steel plates through the tightening and releasing of the bolts, and the elongations of the bolts can be controlled precisely, so that the slopes of the pedestal pre-embedded steel plates are adjusted precisely and the construction quality is ensured. The construction control device for the pedestal pre-embedded steel plates of the pre-stressed concrete box girder has strong adaptability, simple construction, convenient operation, high operation efficiency and high stability in various box girder prefabrication yards.
Description
Technical field
The present invention relates to the prestress concrete box girder construction equipment, especially relate to a kind of pedestal pre-embedded steel plates of pre-stressed concrete box girder construction control device.
Background technology
Comprehensive fast development along with China's economy and society, Building Trade in China develops on an unprecedented scale, it is in full flourish that infrastructure construction is located at the whole nation, the construction of striding river, bridge spanning the sea has become the inevitable development trend that China's road network is built, whole opening prefabricated, whole hole erection construction technology widespread in each big bridge construction, in the beam prefabricated process of case the bearing steel plate pre-buried be necessary working procedure, its most frequently used job practices be before case beam agent structure reinforcing bar lifting with batten with the wedging of bearing pre-embedded steel slab on bed die.The problem that has following aspect in this way during the fixed bearing pre-embedded steel slab: 1, make the distortion of bearing pre-embedded steel slab in the work progress easily, be difficult to satisfy code requirement.2, long construction period is difficult to satisfy the construction speed requirement in the tight building site of construction period.3, in the lifting of agent structure reinforcing bar, concrete cast and the process of vibrating, take place easily to become flexible, influence case beam quality, case beam post-processed expense is increased.
The utility model content
The object of the present invention is to provide a kind ofly help the operation of pedestal pre-embedded steel plates of pre-stressed concrete box girder construction control, adaptive capacity is strong under various working environments, construction is simple and direct, operating efficiency is high pedestal pre-embedded steel plates of pre-stressed concrete box girder construction control device.
The object of the present invention is achieved like this: the present invention includes basin shape case beam bottom board bearing steel plate, feature is respectively to be processed with a upper limit hole on four angles of the groove base plate of case beam bottom board bearing steel plate, on the groove base plate of case beam bottom board bearing steel plate, evenly be processed with the dot matrix lower limit hole of the some row of several rows, upper surface at the groove base plate of case beam bottom board bearing steel plate, the upper fixed in each lower limit hole has positioning screw cap, the bearing pre-embedded steel slab identical with the groove base plate cross sectional dimensions of case beam bottom board bearing steel plate is positioned in the groove of case beam bottom board bearing steel plate, on the bearing pre-embedded steel slab, the position corresponding with the upper limit hole of groove base plate is processed with pre-buried sleeve hole, upper surface at the bearing pre-embedded steel slab, pre-buried sleeve hole place is fixed with tapped pre-buried sleeve, the bearing anchoring bolt upwards passes spring washer successively, the upper limit hole of groove base plate, the pre-buried sleeve hole of bearing pre-embedded steel slab, and screw in the pre-buried sleeve, bearing pre-embedded steel slab and case beam bottom board bearing steel plate are fixed together, spacing straight down adjustment bolt upwards passes the lower limit hole of groove base plate successively, behind the positioning screw cap, withstand on the soffit of bearing pre-embedded steel slab.
The dot matrix lower limit hole of the some row of described several rows is any one dot matrix lower limit hole in two row three row, two row, four row, two row, five row, triplex row two row, triplex row three row, triplex row four row, triplex row five row, four lines two row, four lines three row, four lines four row, four lines five row, the five-element's two row, the five-element's three row, the five-element's four row or the five-element's five row.
The present invention is made of case beam bottom board bearing steel plate and bearing pre-embedded steel slab, and operating principle is that the bearing pre-embedded steel slab is installed in the groove with the case beam bottom board bearing steel plate of its same size, thereby has limited the horizontal movement of bearing pre-embedded steel slab; A plurality of spacing straight down adjustment bolts are installed as stopping means straight down on the lower panel of the groove base plate of case beam bottom board bearing steel plate, 4 permanent bearing anchoring bolts conducts stopping means straight up is installed on the pre-buried sleeve of bearing pre-embedded steel slab, spacing straight down adjustment bolt upwards holds out against the bearing pre-embedded steel slab, four bearing anchoring bolts are strained the bearing pre-embedded steel slab downwards, thereby have limited the vertical displacement of bearing pre-embedded steel slab.The present invention adopts the bolt degree of tightness to realize the gradient adjustment of bearing pre-embedded steel slab, and the elongation of bolt can accurately be controlled, and helps the accurate adjustment of the bearing pre-embedded steel slab gradient and guarantees construction quality.The present invention has in beam prefabricated advantage that the endoadaptation ability is strong, construction is simple and direct, easy to operate, operating efficiency is high, stability is high of multiple case.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
Embodiment 1:
The present invention includes basin shape case beam bottom board bearing steel plate 1, on four angles of the groove base plate 10 of case beam bottom board bearing steel plate 1, respectively be processed with a upper limit hole 11, on the groove base plate 10 of case beam bottom board bearing steel plate 1, evenly be processed with three rows, three row totally nine lower limit holes 9, upper surface at the groove base plate 10 of case beam bottom board bearing steel plate 1, the upper fixed in each lower limit hole 9 has positioning screw cap 5, the bearing pre-embedded steel slab 3 identical with groove base plate 10 cross sectional dimensions of case beam bottom board bearing steel plate 1 is positioned in the groove 8 of case beam bottom board bearing steel plate 1, on bearing pre-embedded steel slab 3, the position corresponding with the upper limit hole 11 of groove base plate 10 is processed with pre-buried sleeve hole 4, upper surface at bearing pre-embedded steel slab 3, pre-buried sleeve hole 4 places are fixed with tapped pre-buried sleeve 2, bearing anchoring bolt 7 upwards passes spring washer 12 successively, the upper limit hole 11 of groove base plate 10, the pre-buried sleeve hole 4 of bearing pre-embedded steel slab 3, and screw in the pre-buried sleeve 2, bearing pre-embedded steel slab 3 and case beam bottom board bearing steel plate 1 are fixed together, spacing straight down adjustment bolt 6 upwards passes the lower limit hole 9 of groove base plate 10 successively, behind the positioning screw cap 5, withstand on the soffit of bearing pre-embedded steel slab 3.
Operating principle: bearing pre-embedded steel slab 3 is installed in the groove 8 with the case beam bottom board bearing steel plate 1 of its same size, thereby has limited the horizontal movement of bearing pre-embedded steel slab 3; 9 spacing straight down adjustment bolts 6 are installed as stopping means straight down on the lower panel of the groove base plate 10 of case beam bottom board bearing steel plate 1,4 permanent bearing anchoring bolts 7 conducts stopping means straight up is installed on the pre-buried sleeve 2 of bearing pre-embedded steel slab 6, nine spacing straight down adjustment bolts 6 upwards hold out against bearing pre-embedded steel slab 3, four bearing anchoring bolts 7 are strained bearing pre-embedded steel slab 3 downwards, thereby have limited the vertical displacement of bearing pre-embedded steel slab 3.
Embodiment 2:
The structure of the structure of embodiment 2 and embodiment 1 is basic identical, and difference is:
On the groove base plate 10 of case beam bottom board bearing steel plate 1, evenly be processed with four rows, five row totally two ten lower limit holes 9.
Claims (2)
1. pedestal pre-embedded steel plates of pre-stressed concrete box girder construction control device, comprise basin shape case beam bottom board bearing steel plate (1), it is characterized in that: on four angles of the groove base plate (10) of case beam bottom board bearing steel plate (1), respectively be processed with a upper limit hole (11), on the groove base plate (10) of case beam bottom board bearing steel plate (1), evenly be processed with the dot matrix lower limit hole (9) of the some row of several rows, upper surface at the groove base plate (10) of case beam bottom board bearing steel plate (1), the upper fixed in each lower limit hole (9) has positioning screw cap (5), the bearing pre-embedded steel slab (3) identical with groove base plate (10) cross sectional dimensions of case beam bottom board bearing steel plate (1) is positioned in the groove (8) of case beam bottom board bearing steel plate (1), on bearing pre-embedded steel slab (3), the position corresponding with the upper limit hole (11) of groove base plate (10) is processed with pre-buried sleeve hole (4), upper surface in bearing pre-embedded steel slab (3), pre-buried sleeve hole (4) locates to be fixed with tapped pre-buried sleeve (2), bearing anchoring bolt (7) upwards passes spring washer (12) successively, the upper limit hole (11) of groove base plate (10), the pre-buried sleeve hole (4) of bearing pre-embedded steel slab (3), and screw in the pre-buried sleeve (2), bearing pre-embedded steel slab (3) and case beam bottom board bearing steel plate (1) are fixed together, spacing straight down adjustment bolt (6) upwards passes the lower limit hole (9) of groove base plate (10) successively, behind the positioning screw cap (5), withstand on the soffit of bearing pre-embedded steel slab (3).
2. pedestal pre-embedded steel plates of pre-stressed concrete box girder construction control device as claimed in claim 1 is characterized in that: the dot matrix lower limit hole (9) of the some row of described several rows is any one dot matrix lower limit hole (9) in two row three row, two row, four row, two row, five row, triplex row two row, triplex row three row, triplex row four row, triplex row five row, four lines two row, four lines three row, four lines four row, four lines five row, the five-element's two row, the five-element's three row, the five-element's four row or the five-element's five row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101860216A CN101691740B (en) | 2009-09-11 | 2009-09-11 | Construction control device for pedestal pre-embedded steel plates of pre-stressed concrete box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101860216A CN101691740B (en) | 2009-09-11 | 2009-09-11 | Construction control device for pedestal pre-embedded steel plates of pre-stressed concrete box girder |
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| Publication Number | Publication Date |
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| CN101691740A CN101691740A (en) | 2010-04-07 |
| CN101691740B true CN101691740B (en) | 2011-01-05 |
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| CN2009101860216A Active CN101691740B (en) | 2009-09-11 | 2009-09-11 | Construction control device for pedestal pre-embedded steel plates of pre-stressed concrete box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744785B (en) * | 2012-07-27 | 2014-01-29 | 上海同禾土木工程科技有限公司 | Automatic control method of concrete box girder prestress tensioning system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040577B (en) * | 2015-09-02 | 2017-01-04 | 江苏明福钢结构有限公司 | A kind of multi-component alloy co-cementation bridge pre-buried steel component |
| CN106049254A (en) * | 2016-05-27 | 2016-10-26 | 芜湖众源复合新材料有限公司 | Composite anticorrosive and anti-falling beam embedded board for bridge |
| CN105926428A (en) * | 2016-05-30 | 2016-09-07 | 芜湖众源复合新材料有限公司 | Anti-beam-lowering bridge embedded board facilitating surface preservative treatment |
| CN105887009B (en) * | 2016-06-11 | 2017-11-07 | 芜湖众源复合新材料有限公司 | A kind of girder falling embedded board multi-component alloy co-cementation handling process |
| CN107354874A (en) * | 2017-08-30 | 2017-11-17 | 中交公局海威工程建设有限公司 | T beam beams bottom steel plate supertronic device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201265143Y (en) * | 2008-09-19 | 2009-07-01 | 成都市新筑路桥机械股份有限公司 | Shock damping and insulating plate type rubber support |
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- 2009-09-11 CN CN2009101860216A patent/CN101691740B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201265143Y (en) * | 2008-09-19 | 2009-07-01 | 成都市新筑路桥机械股份有限公司 | Shock damping and insulating plate type rubber support |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2007-126925A 2007.05.24 |
| JP特开2007-169886A 2007.07.05 |
| JP特开2009-121101A 2009.06.04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744785B (en) * | 2012-07-27 | 2014-01-29 | 上海同禾土木工程科技有限公司 | Automatic control method of concrete box girder prestress tensioning system |
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| CN101691740A (en) | 2010-04-07 |
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