CN204298736U - A kind of steel tower column with location structure - Google Patents
A kind of steel tower column with location structure Download PDFInfo
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- CN204298736U CN204298736U CN201420686041.6U CN201420686041U CN204298736U CN 204298736 U CN204298736 U CN 204298736U CN 201420686041 U CN201420686041 U CN 201420686041U CN 204298736 U CN204298736 U CN 204298736U
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Abstract
With a steel tower column for location structure, relate to bridge mounting technique field, mouth place, rectangular steel tube contiguous top is provided with one piece of upper mounting plate, and upper mounting plate is vertically arranged four leads, each lead is arranged at a jiao of rectangular steel tube and stretches out top mouth; After two steel tower columns are spliced into entirety up and down, the lower guide plate being positioned at the rectangular steel tube of top is corresponding with the upper guide plate of the rectangular steel tube being positioned at below is spliced into a block length square plate.The utility model improves steel tower column integral hoisting aligning accuracy, shortens construction period, reduces labor service and plant equipment input.
Description
Technical field
The utility model relates to bridge mounting technique field, is specifically related to a kind of steel tower column with location structure.
Background technology
Steel tower column is the main force structure of cable-stayed bridge, and steel tower column lifting is spliced into the quality that overall positioning precision determines later stage suspension cable installation quality, and directly affects the force-bearing situation of pontic.Therefore, during steel tower column lifting construction, to the overall line style of steel tower column and positioning requirements high.
In existing Offshore Bridges construction, the mode taking erection tower to fill steel column sections is spliced into steel tower column entirety, because steel tower column construction belongs to work high above the ground, construction space is narrow and small, there is very large difficulty in coupling location between sections, and at sea, lifting, by tidal level and weather effect, also directly increases and realizes the pinpoint difficulty of king-post.In addition, the steel tower column that, tonnage large for length is large is spliced into steel tower column entirety, there is no corresponding adjustment construction equipment and is suitable for.If take usual manner in steel tower column work progress, in hoisting process, adjust alignment mode, crane barge will be made to be in lifting stress for a long time, be unfavorable for that steel tower column construction quality and safe construction control, also directly will increase mounting cost.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of steel tower column with location structure, improves steel tower column integral hoisting aligning accuracy, shortens construction period, reduces labor service and plant equipment input.
For reaching above object, the technical scheme that the utility model is taked is: a kind of steel tower column with location structure, comprise rectangular steel tube, mouth place, described rectangular steel tube contiguous top is provided with one piece of horizontally disposed upper mounting plate, upper mounting plate is vertically arranged four leads, each lead is arranged at a jiao of rectangular steel tube and stretches out top mouth; The top mouth inwall of described rectangular steel tube is provided with guide plate, end mouth inwall is provided with lower guide plate, after two steel tower columns are spliced into entirety up and down, the lower guide plate being positioned at the rectangular steel tube of top is corresponding with the upper guide plate of the rectangular steel tube being positioned at below is spliced into a block length square plate.
On the basis of technique scheme, four incline angles of described rectangular steel tube become four incline faces respectively through chamfered, corresponding incline face is close in a side of each lead, and the downward-sloping setting of the summit portion of lead, and incline direction is towards incline face.
On the basis of technique scheme, upper guide plate and lower guide plate are square plate, the top edge portion of square plate convexes to form flange, one side of flange is guiding hypotenuse, after two steel tower columns are spliced into entirety up and down, the flange position of upper guide plate and lower guide plate is contrary and complementary, the guiding surface laminating of two flanges.
On the basis of technique scheme, in the lower guide plate of upper guide plate and correspondence, one is convex guide plate, another is spill guide plate, described spill guide plate has breach, and convex guide plate has projection, the projection of convex guide plate and the breach grafting of corresponding spill guide plate.
On the basis of technique scheme, top mouth inwall and the end mouth inwall of rectangular steel tube are respectively equipped with several matching parts, after two steel tower columns are spliced into entirety up and down, the matching parts being positioned at mouth at the bottom of the rectangular steel tube of top be positioned at below the corresponding superimposed connection of matching parts of rectangular steel tube top mouth.
On the basis of technique scheme, described matching parts is the flat board with bolt hole, and after two steel tower columns are spliced into entirety up and down, the matching parts correspondence of stitching portion is superimposed, and the bolt hole of two of correspondence matching parts is through.
On the basis of technique scheme, the matching parts of rectangular steel tube top mouth is connected by fixed head with between upper mounting plate, mouth place is provided with one piece of horizontally disposed lower installation board at the rectangular steel tube contiguous end, and the matching parts of mouth at the bottom of rectangular steel tube is connected by fixed head with between lower installation board.
The beneficial effects of the utility model are:
1, this steel tower column is provided with preliminary guider, upper mounting plate vertically arranges four leads, each lead is arranged at a jiao of rectangular steel tube and stretches out end face, in steel tower column decentralization process to be installed, the top mouth that this preliminary guider realizes mouth and mounted steel tower column at the bottom of steel tower column to be installed carries out coarse positioning, ensures crane barge accurate contraposition under wind wave action.
2, this steel tower column is provided with accurate guider, after two steel tower columns are spliced into entirety up and down, the lower guide plate being positioned at the rectangular steel tube of top is corresponding with the upper guide plate of the rectangular steel tube being positioned at below is spliced into a block length square plate, ensures the rectangular steel tube exactitude position of interface.
3, the top mouth inwall of this steel tower column and end mouth inwall are respectively equipped with several matching parts, after two steel tower columns are spliced into entirety up and down, the matching parts being positioned at mouth at the bottom of the rectangular steel tube of top be positioned at below the corresponding superimposed connection of matching parts of rectangular steel tube top mouth, carry out temporary locking, ensure steel tower column integral linear and construction quality, make crane barge can accomplish timely loose hook after completing accurate location, reduce the input of machinery expenses.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention with the steel tower column of location structure;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of upper guide plate and a kind of embodiment of lower guide plate;
Fig. 5 is the structural representation of the another kind of embodiment of upper guide plate and lower guide plate.
Reference numeral: 1-rectangular steel tube, 2-upper mounting plate, 3-lead, the upper guide plate of 4-, 5-lower guide plate, 6-lower installation board, 7-matching parts, 8-fixed head.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1 to Figure 3, a kind of steel tower column with location structure, comprises rectangular steel tube 1 and location structure, and location structure comprises upper mounting plate 2, lower installation board 6, lead 3, upper guide plate 4, lower guide plate 5 and matching parts 7.Four incline angles of rectangular steel tube 1 become four incline faces respectively through chamfered, mouth place, rectangular steel tube 1 contiguous top is provided with one piece of horizontally disposed upper mounting plate 2, mouth place is provided with one piece of horizontally disposed lower installation board 6 at the rectangular steel tube 1 contiguous end, hole is offered in the middle part of upper mounting plate 2 and lower installation board 6, and stair are set between upper mounting plate 2 and lower installation board 6, facilitate personnel in steel tower column interior construction.Upper mounting plate 2 is vertically arranged four leads 3, each lead 3 is arranged at a jiao of rectangular steel tube 1 and stretches out top mouth, an incline face of rectangular steel tube 1 correspondence is close in a side of each lead 3, and the downward-sloping setting of the summit portion of lead 3, and incline direction is towards incline face.
The top mouth inwall of rectangular steel tube 1 is provided with guide plate 4, end mouth inwall is provided with lower guide plate 5, after two steel tower columns are spliced into entirety up and down, the lower guide plate 5 being positioned at the rectangular steel tube 1 of top is corresponding with the upper guide plate 4 of the rectangular steel tube 1 being positioned at below is spliced into a block length square plate.As shown in Figure 4, in a kind of embodiment, upper guide plate 4 and lower guide plate 5 are square plate, the top edge portion of square plate convexes to form flange, one side of flange is guiding hypotenuse, after two steel tower columns are spliced into entirety up and down, the flange position of upper guide plate 4 and lower guide plate 5 is contrary and complementary, the guiding surface laminating of two flanges.As shown in Figure 5, in another kind of embodiment, upper guide plate 4 is convex guide plate, corresponding lower guide plate 5 is spill guide plate, or upper guide plate 4 is spill guide plate, corresponding lower guide plate 5 is convex guide plate, and described spill guide plate has breach, convex guide plate has projection, the projection of convex guide plate and the breach grafting of corresponding spill guide plate.
Top mouth inwall and the end mouth inwall of rectangular steel tube 1 are respectively equipped with several matching parts 7, matching parts 7 is the flat board with bolt hole, after two steel tower columns are spliced into entirety up and down, the matching parts 7 being positioned at rectangular steel tube 1 bottom of top be positioned at below the corresponding superimposed connection of matching parts 7 on rectangular steel tube 1 top, and the bolt hole of two of correspondence matching parts 7 is through.Rectangular steel tube 1 is pushed up the matching parts 7 of mouth and is connected by fixed head 8 with between upper mounting plate 2, and the matching parts 7 of rectangular steel tube 1 end mouth is connected by fixed head 8 with between lower installation board 6.
With a steel tower column construction method for hanging for location structure, comprise the steps:
S1. all steel tower columns are carried out pre-splicing in factory, and in stitching portion the position of presetting bit architecture, split steel tower column, each rectangular steel tube 1 top mouth predeterminated position welding upper mounting plate 2, on the matching parts 7 of guide plate 4 and top mouth inwall, the matching parts 7 of end mouth predeterminated position welding lower guide plate 5 and end mouth inwall, upper mounting plate 2 arranges lead 3, makes it to become the steel tower column with location structure.
S2. according to pre-splicing order, the steel tower column being positioned at bottom is fixedly installed.
S3. lift by crane steel tower column to be installed to be positioned at above mounted steel tower column, transfer and carry out coarse positioning, muzzle at the bottom of steel tower column to be installed is located on the lead 3 of mounted head tower capital mouth.
Concrete operations are, dimensional measurement is carried out to the control point of mounted head tower capital mouth, thus extrapolate steel tower column center direction across bridge and vertical bridge to off normal, elevation of top surface, foundation is provided according to the off normal prediction that measurement result is follow-up steel tower column, and before steel tower column to be installed is installed, pad is set at the matching parts 7 of mounted steel tower column.Strand anchor moves crane ship, crane barge moves forward to directly over the top mouth of mounted steel tower column with 1m/min speed strand anchor, the slow off the hook of crane barge makes 65cm above mouth at the bottom of steel tower column to be installed to mounted head tower capital mouth, according to the state of measurement result and data point reuse steel tower column to be installed, and observe fluctuation height under wind and wave impact of crane barge and steel tower column to be installed and oscillator arc, carry out the position measurement of mouth at the bottom of steel tower column to be installed and mounted head tower capital mouth, completed the gross alignment of steel tower column interface by crane barge strand anchor according to measurement data, after measurement data meets the demands, crane barge starts slow loose hook, make the smooth sliding sleeve of mouth at the bottom of steel tower column to be installed in the lead 3 of mounted steel tower column, complete coarse positioning.When at the bottom of steel tower column to be installed, opening's edge lead slides to for 3 times apart from mounted head tower capital mouth about 2cm, stop crane barge pine hook, perpendicularity and plane precision measuring control are carried out to steel tower column to be installed, calculate adjustment numerical value according to measurement result, the adjustment frock utilizing mounted steel tower column inwall to arrange carries out the accurate adjustment of steel tower column plane and torsion.
In addition, transferring steel tower column to be installed carries out in the process of coarse positioning, 4 10t jacks are set up as interim draw-gear at the lateral wall of the top mouth of mounted steel tower column and the end mouth of steel tower column to be installed, carry out drawing according to the plane deviation of the end mouth of steel tower column to be installed, adjust the plan-position of steel tower column to be installed, ensure that crane barge contraposition under wave and wind effect is accurate.
S4. steel tower column to be installed is transferred completely, accurately locate, the lower guide plate 5 of steel tower column to be installed and the upper guide plate 4 of mounted steel tower column is made to be spliced into a block length square plate, the end mouth of steel tower column to be installed all contacts with the top mouth of mounted steel tower column, ensures steel tower column integral linear and construction quality; The matching parts 7 of steel tower column bottom nozzle to be installed is corresponding superimposed with the matching parts 7 of mounted head tower capital mouth, keep crane barge lifting state, repetition measurement monitoring is carried out to steel tower column perpendicularity, plan-position and elevation, carries out choker block by matching parts 7 interface gap steel plate washer and complete the adjustment of king-post angular coordinate position; Measurement is checked after steel tower column installation accuracy meets design and construction requirement, be bolted the bolt hole of corresponding superimposed matching parts 7, realize temporary locking, crane barge pine hook also exits, crane barge can accomplish timely loose hook after completing accurate location, reduces the input of machinery expenses.
S5. weld seam welding is carried out to the interface of stitching portion between steel tower column to be installed and mounted steel tower column, complete the lifting construction of steel tower column to be installed, can remove location structure according to structural system or retain as permanent structure.
S6. step S3 ~ S5 is repeated, until all steel tower column rigging outs.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technical scheme, all within its protection domain.
Claims (7)
1. the steel tower column with location structure, comprise rectangular steel tube (1), it is characterized in that: mouth place, described rectangular steel tube (1) contiguous top is provided with one piece of horizontally disposed upper mounting plate (2), upper mounting plate (2) is vertically arranged four leads (3), each lead (3) is arranged at a jiao of rectangular steel tube (1) and stretches out top mouth; The top mouth inwall of described rectangular steel tube (1) is provided with guide plate (4), end mouth inwall is provided with lower guide plate (5), after two steel tower columns are spliced into entirety up and down, the lower guide plate (5) being positioned at the rectangular steel tube (1) of top is corresponding with the upper guide plate (4) of the rectangular steel tube (1) being positioned at below is spliced into a block length square plate.
2. as claimed in claim 1 with the steel tower column of location structure, it is characterized in that: four incline angles of described rectangular steel tube (1) become four incline faces respectively through chamfered, corresponding incline face is close in a side of each lead (3), and the downward-sloping setting of summit portion of lead (3), and incline direction is towards incline face.
3. as claimed in claim 1 with the steel tower column of location structure, it is characterized in that: upper guide plate (4) and lower guide plate (5) are square plate, the top edge portion of square plate convexes to form flange, one side of flange is guiding hypotenuse, after two steel tower columns are spliced into entirety up and down, the flange position of upper guide plate (4) and lower guide plate (5) is contrary and complementary, the guiding surface laminating of two flanges.
4. as claimed in claim 1 with the steel tower column of location structure, it is characterized in that: in the lower guide plate (5) of upper guide plate (4) and correspondence, one is convex guide plate, another is spill guide plate, described spill guide plate has breach, convex guide plate has projection, the projection of convex guide plate and the breach grafting of corresponding spill guide plate.
5. as claimed in claim 1 with the steel tower column of location structure, it is characterized in that: top mouth inwall and the end mouth inwall of rectangular steel tube (1) are respectively equipped with several matching parts (7), after two steel tower columns are spliced into entirety up and down, matching parts (7) and the rectangular steel tube (1) being positioned at below of rectangular steel tube (1) end mouth above being positioned at push up the corresponding superimposed connection of matching parts (7) of mouth.
6. as claimed in claim 5 with the steel tower column of location structure, it is characterized in that: described matching parts (7) is the flat board with bolt hole, after two steel tower columns are spliced into entirety up and down, the matching parts (7) of stitching portion is corresponding superimposed, and the bolt hole of two of correspondence matching parts (7) is through.
7. as claimed in claim 6 with the steel tower column of location structure, it is characterized in that: the matching parts (7) of rectangular steel tube (1) top mouth is connected by fixed head (8) with between upper mounting plate (2), mouth place is provided with one piece of horizontally disposed lower installation board (6) at rectangular steel tube (1) the contiguous end, and the matching parts (7) of rectangular steel tube (1) end mouth is connected by fixed head (8) with between lower installation board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686041.6U CN204298736U (en) | 2014-11-14 | 2014-11-14 | A kind of steel tower column with location structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686041.6U CN204298736U (en) | 2014-11-14 | 2014-11-14 | A kind of steel tower column with location structure |
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| CN204298736U true CN204298736U (en) | 2015-04-29 |
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| CN201420686041.6U Active CN204298736U (en) | 2014-11-14 | 2014-11-14 | A kind of steel tower column with location structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389268A (en) * | 2014-11-14 | 2015-03-04 | 中铁大桥局集团第二工程有限公司 | Steel tower column with positioning structure and hoisting construction method thereof |
| CN110453780A (en) * | 2019-07-09 | 2019-11-15 | 中国华冶科工集团有限公司 | A kind of steel column butt joint positioning plate and steel column weld installation method |
-
2014
- 2014-11-14 CN CN201420686041.6U patent/CN204298736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389268A (en) * | 2014-11-14 | 2015-03-04 | 中铁大桥局集团第二工程有限公司 | Steel tower column with positioning structure and hoisting construction method thereof |
| CN110453780A (en) * | 2019-07-09 | 2019-11-15 | 中国华冶科工集团有限公司 | A kind of steel column butt joint positioning plate and steel column weld installation method |
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