CN204151665U - A kind of cable-stayed type opens trestle - Google Patents
A kind of cable-stayed type opens trestle Download PDFInfo
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- CN204151665U CN204151665U CN201420549205.0U CN201420549205U CN204151665U CN 204151665 U CN204151665 U CN 204151665U CN 201420549205 U CN201420549205 U CN 201420549205U CN 204151665 U CN204151665 U CN 204151665U
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- fixed
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- iron
- bridge
- unlatching
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Abstract
The utility model discloses a kind of cable-stayed type and open trestle, it comprises four groups of lattice columns, distribution base is fixed with at the top of lattice column, supporting pile has been set respectively in the inner side of both sides lattice column, between homonymy two groups of lattice columns, be provided with at least one strengthen framed bent Temporary Piers, an i iron crossbeam is fixed in many framed bent pier pipe pile top solder of homonymy, two identical one-sided bridge superstructures form an overall bridge superstructure that can open, beret truss comprises canned paragraph, rear unlatching section and front unlatching section, distribution base is fixed with hoist engine, the leading section of the section of unlatching before the pulling force end of front suspension cable of being connected with two hoist engines in four hoist engines of side is fixed on homonymy and the pulling force end of the rear suspension cable be connected with other two hoist engines of this side are fixed on the front end of the rear unlatching section of this side.Adopt this device can increase trestle and allow navigational clearance.
Description
Technical field
The utility model relates to Bridge Construction field, relates in particular to the structure of trestle in a kind of bridge construction for there being a navigation demand.
Background technology
Knownly at present mainly adopt door type structure trestle mode when there being the waters of navigation demand to carry out bridge construction, this kind of construction method only can allow small-sized, short boats and ships to pass through, and as excessive in navigational clearance, can impact the construction of bridge both sides, make to have inconvenient traffic, be unfavorable for the turnover of construction machinery, material.In addition, a kind of lifting appliance is disclosed in the patent of publication number CN202369929 U and CN202688850U, this device only can provide limited navigational clearance, and the limit height of its navigational clearance is its height exceeding the water surface of lattice column arranged and difference of suspension bridge height.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art, provides a kind of width of opening the navigation or air flight wide and can provide unlimited navigational clearance, can ensure that trestle restores smooth a kind of cable-stayed type unlatching trestle of rear body structure surface simultaneously.
The utility model is achieved through the following technical solutions:
A kind of cable-stayed type opens trestle, it comprises spaced four groups of lattice columns for vertical load-bearing along vertical bridge to bridge floor both sides, be welded and fixed connected between 4 steel pipes of each group lattice column, distribution base is fixed with at the top of each group lattice column, supporting pile has been set respectively in the inner side of both sides lattice column, between homonymy two groups of lattice columns, be provided with at least one strengthen framed bent Temporary Piers, described reinforcement framed bent Temporary Piers comprises the many piece framed bent pier pile tubes of inserted to play between homonymy two groups of lattice columns, be weldingly connected between described framed bent pier pile tube, an i iron crossbeam is fixed in many framed bent pier pipe pile top solder of homonymy, two identical one-sided bridge superstructures form an overall bridge superstructure that can open, each one-sided bridge superstructure includes multiple beret truss be connected with each other, the upper chord of described beret truss is fixed with many spaced horizontal i iron, described horizontal i iron is fixed with many spaced longitudinal i iron, described longitudinal i iron is fixed with bridge system structure, described multiple beret truss be connected with each other comprise the canned paragraph be weldingly fixed on by the reinforcement chord member of beret truss on the i iron crossbeam of corresponding side, described canned paragraph front end is connected with the rear unlatching section rear end extended to bridge central authorities by turning hinge, described rear unlatching section front end by turning hinge with to bridge central authorities extend before the section of unlatching rear end be connected, described rear unlatching section rear end and front portion are supported on i iron crossbeam and on supporting pile respectively, the front end of the front unlatching section of described bridge both sides adopts pin to connect when trestle work structure is set level, distribute on base at each and be all fixed with four hoist engines, be respectively arranged with in the inner side of each lattice column, lower limit crossbeam, the leading section of the section of unlatching before the pulling force end of front suspension cable of being connected with two hoist engines in four hoist engines of side is fixed on homonymy and the pulling force end of the rear suspension cable be connected with other two hoist engines of this side are fixed on the front end of the rear unlatching section of this side, described front unlatching section can under the drive of hoist engine turning-over support on upper limit crossbeam, described rear unlatching section can under the drive of hoist engine turning-over support on lower limit crossbeam.
The beneficial effect that compared with the prior art the utility model has is:
(1) adopt oblique roller can increase trestle and allow navigational clearance.
(2) trestle does not affect the construction function of trestle after setting level.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model cable-stayed type opens trestle.
Fig. 2 is that a kind of cable-stayed type of the utility model opens the non-opening schematic diagram of trestle in trestle.
Fig. 3 is the schematic diagram that a kind of cable-stayed type of the utility model opens turning hinge in trestle.
Fig. 4 is that a kind of cable-stayed type of the utility model opens trestle superstructure schematic diagram in trestle.
Fig. 5 is the structural representation that a kind of cable-stayed type of the utility model opens that framed bent Temporary Piers strengthened by trestle.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, use of the present utility model is described further.
A kind of cable-stayed type of the present utility model as shown in drawings opens trestle, and it comprises spaced four groups of lattice columns 1 for vertical load-bearing along vertical bridge to bridge floor both sides.Each group lattice column 14 steel pipes between be welded and fixed connected, preferably each group lattice column 14 steel pipes between upper and lower be connected with stull 2 structure welding respectively by diagonal brace.Be fixed with at the top of each group lattice column 1 and distribute base 3, supporting pile 9 has been set respectively in the inner side of both sides lattice column 1, between homonymy two groups of lattice columns 1, be provided with at least one strengthen framed bent Temporary Piers 22, as a kind of embodiment of the present utility model, described reinforcement framed bent Temporary Piers 22 comprises the many piece framed bent pier pile tubes 24 of inserted to play between homonymy two groups of lattice columns 1, be weldingly connected between described framed bent pier pile tube 24, upper and lower spaced steel pipe 23 is adopted to carry out level to being weldingly connected between preferred framed bent pier pile tube 24, and adopt channel-section steel 21 between upper and lower steel pipe 23 by adjacent framed bent pier pile tube 24 scissors to being weldingly connected.An i iron crossbeam 13 is fixed in many framed bent pier pile tubes 24 top solder of homonymy, two identical one-sided bridge superstructures form an overall bridge superstructure that can open, each one-sided bridge superstructure includes multiple beret truss 14 be connected with each other, and usually adopts sizing support chip 16 to be connected between beret truss 14.The upper chord of described beret truss 14 is fixed with many spaced horizontal i iron 17, described horizontal i iron 17 is fixed with many spaced longitudinal i iron 18, described longitudinal i iron 18 is fixed with bridge system structure, described bridge system structure generally includes the embossed steel plates 19 as bridge floor be arranged on described longitudinal i iron 18, and described embossed steel plates 19 is fixed with railing 20.Described multiple beret truss 14 be connected with each other comprise the canned paragraph be weldingly fixed on by the reinforcement chord member 15 of beret truss on the i iron crossbeam 13 of corresponding side, described canned paragraph front end is connected with rear unlatching section 8 rear end extended to bridge central authorities by turning hinge 12, described rear unlatching section 8 front end by turning hinge 12 with to bridge central authorities extend before the section of unlatching 7 rear end be connected, described rear unlatching section 8 rear end and front portion are supported on i iron crossbeam 13 and on supporting pile 9 respectively, the front end of the front unlatching section 7 of described bridge both sides adopts pin to connect when trestle work structure is set level, distribute on base 3 at each and be all fixed with four hoist engines 4, be respectively arranged with in the inner side of each lattice column, lower limit crossbeam 10, the leading section of the section of unlatching 7 before the pulling force end of front suspension cable 5 of being connected with two in four hoist engines 4 of side is fixed on homonymy and the pulling force end of the rear suspension cable 6 be connected with other two hoist engines 4 of this side are fixed on the front end of the rear unlatching section 8 of this side, described front unlatching section 7 can under the drive of hoist engine 4 turning-over support on upper limit crossbeam, described rear unlatching section 8 can under the drive of hoist engine 4 turning-over support on lower limit crossbeam.
This construction method comprises the following steps:
(1) two groups of lattice columns are set respectively in every side, bridge floor position of setting, each group lattice column is made up of 4 steel pipes, be welded and fixed connected between 4 steel pipes of each group lattice column 1, fixedly be weldingly connected by diagonal brace and stull 2 between 4 steel pipes of each group lattice column 1 preferred and form bridging form, then install on each lattice column top and distribute base 3, then each distribute base 3 installs four hoist engines 4 and inside each lattice column between the upper and lower every the upper and lower spacing crossbeam 10 of welding respectively;
(2) in the inner side of both sides lattice column 1 along bridge to respectively inserted to play fixed support stake 9 to setting absolute altitude;
(3) between homonymy two groups of lattice columns 1 inserted to play framed bent pier pile tube 24 to setting absolute altitude, then form at least one by being weldingly connected between described framed bent pier pile tube 24 and strengthen framed bent Temporary Piers 22, upper and lower spaced steel pipe 23 is adopted to carry out level to being weldingly connected between preferred framed bent pier pile tube 24, and adopt channel-section steel 21 between upper and lower steel pipe 23 by adjacent framed bent pier pile tube 24 scissors to being weldingly connected, make to form bridging form between framed bent pier pile tube 24;
(4) hang an i iron crossbeam 13 at many framed bent Dun Guanzhuanzhuanding of every side, i iron crossbeam 13 is placed on center, framed bent pier pipe pile top and after adjusting level, is connected by i iron crossbeam with framed bent pier pipe pile top solder.
(5) on the i iron crossbeam of every side, an one-sided bridge superstructure is installed, two identical one-sided bridge superstructures form an overall bridge superstructure that can open, each one-sided bridge superstructure includes multiple beret truss 14 be connected with each other, described multiple beret truss 14 be connected with each other comprise the canned paragraph be fixed on by the reinforcement chord member 15 of beret truss on the i iron crossbeam 13 of corresponding side, preferred i iron crossbeam 13 and canned paragraph intersection area adopt U-shaped to fix, and i iron crossbeam 13 and canned paragraph are welded and fixed; Described canned paragraph front end is connected with rear unlatching section 8 rear end extended to bridge central authorities by turning hinge 12, described rear unlatching section 8 rear end and front portion are supported on i iron crossbeam 13 and on supporting pile 9 respectively, described rear unlatching section 8 front end by turning hinge 12 with to bridge central authorities extend before the section of unlatching 7 rear end be connected, the front end of the front unlatching section 7 of described bridge both sides adopts pin to connect temporarily when trestle work structure is set level;
(6) on the upper chord of the beret truss described in every side, all lay fixing many spaced horizontal i iron, connect with anti-slip with U-shaped between preferred horizontal i iron 17 and beret truss, and be fixed with full weld welding;
(7) on horizontal i iron, lay many spaced longitudinal i iron, horizontal i iron 17 and longitudinal i iron 18 intersection area adopt full weld to be welded and fixed, and then on described longitudinal i iron, fix bridge system structure.Bridge system structure generally includes the embossed steel plates 19 as bridge floor be arranged on described longitudinal i iron 18, and described embossed steel plates 19 is fixed with railing 20, and horizontal i iron 17 and longitudinal i iron 18 are as distribution beam.The fixing of embossed steel plates 19 can in the following ways: hole in embossed steel plates 19, connect with bolt and beret truss 14, and embossed steel plates 19 and longitudinal i iron 18 are welded and fixed.
(8) leading section of the section of unlatching before being fixed on homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of side and the pulling force end of the rear suspension cable be connected with other two hoist engines of this side are fixed on the front end of the rear unlatching section of this side, remain that front suspension cable 5 is connected with forward and backward unlatching section with rear suspension cable 6.
When there being navigational clearance requirement, start hoist engine 4 simultaneously, bent for cable-stayed type unlatching trestle is opened.After being opened into certain angle, front unlatching section 7 will touch upper limit crossbeam, now, and the tractive of suspension cable 5 before stopping.Suspension cable 6 after continuation tractive, opens section 8 until rear and touches lower limit crossbeam, now, and the tractive of suspension cable 6 after stopping.Because front unlatching section 7 and rear unlatching section 8 are all to greatest extent near lattice column 1, now can be in spanning part one fixed width the navigational clearance and navigation width that provide unlimited, allow ship 11 to pass through.
When navigational clearance requires to cancel, first suspension cable 5 before release, suspension cable 6 after simultaneously discharging again when making front unlatching section 7 drop to equal with rear unlatching section 8, until cable-stayed type bent unlatching trestle plane drops on supporting pile 9 again.
Claims (4)
1. a cable-stayed type opens trestle, it is characterized in that: it comprises spaced four groups of lattice columns for vertical load-bearing along vertical bridge to bridge floor both sides, be welded and fixed connected between 4 steel pipes of each group lattice column, distribution base is fixed with at the top of each group lattice column, supporting pile has been set respectively in the inner side of both sides lattice column, between homonymy two groups of lattice columns, be provided with at least one strengthen framed bent Temporary Piers, described reinforcement framed bent Temporary Piers comprises the many piece framed bent pier pile tubes of inserted to play between homonymy two groups of lattice columns, be weldingly connected between described framed bent pier pile tube, an i iron crossbeam is fixed in many framed bent pier pipe pile top solder of homonymy, two identical one-sided bridge superstructures form an overall bridge superstructure that can open, each one-sided bridge superstructure includes multiple beret truss be connected with each other, the upper chord of described beret truss is fixed with many spaced horizontal i iron, described horizontal i iron is fixed with many spaced longitudinal i iron, described longitudinal i iron is fixed with bridge system structure, described multiple beret truss be connected with each other comprise the canned paragraph be weldingly fixed on by the reinforcement chord member of beret truss on the i iron crossbeam of corresponding side, described canned paragraph front end is connected with the rear unlatching section rear end extended to bridge central authorities by turning hinge, described rear unlatching section front end by turning hinge with to bridge central authorities extend before the section of unlatching rear end be connected, described rear unlatching section rear end and front portion are supported on i iron crossbeam and on supporting pile respectively, the front end of the front unlatching section of described bridge both sides adopts pin to connect when trestle work structure is set level, distribute on base at each and be all fixed with four hoist engines, be respectively arranged with in the inner side of each lattice column, lower limit crossbeam, the leading section of the section of unlatching before being fixed on homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of side and the pulling force end of the rear suspension cable be connected with other two hoist engines of this side are fixed on the front end of the rear unlatching section of this side, described front unlatching section can under the drive of hoist engine turning-over support on upper limit crossbeam, described rear unlatching section can under the drive of hoist engine turning-over support on lower limit crossbeam.
2. cable-stayed type according to claim 1 opens trestle, it is characterized in that: the upper and lower between 4 steel pipes of each group lattice column is weldingly connected respectively by diagonal brace and transverse brace structure.
3. cable-stayed type according to claim 1 and 2 opens trestle, it is characterized in that: between described framed bent pier pile tube, adopt upper and lower spaced steel pipe to carry out level to being weldingly connected, and adopt channel-section steel between upper and lower steel pipe by adjacent framed bent pier pile tube scissors to being weldingly connected.
4. cable-stayed type according to claim 3 opens trestle, it is characterized in that: described i iron crossbeam and canned paragraph intersection area adopt U-shaped to fix, and i iron crossbeam and canned paragraph are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549205.0U CN204151665U (en) | 2014-09-23 | 2014-09-23 | A kind of cable-stayed type opens trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549205.0U CN204151665U (en) | 2014-09-23 | 2014-09-23 | A kind of cable-stayed type opens trestle |
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| Publication Number | Publication Date |
|---|---|
| CN204151665U true CN204151665U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549205.0U Expired - Fee Related CN204151665U (en) | 2014-09-23 | 2014-09-23 | A kind of cable-stayed type opens trestle |
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| CN (1) | CN204151665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213501A (en) * | 2014-09-23 | 2014-12-17 | 中国建筑第六工程局有限公司 | Cable-stayed bendable opening trestle structure and construction method thereof |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
-
2014
- 2014-09-23 CN CN201420549205.0U patent/CN204151665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213501A (en) * | 2014-09-23 | 2014-12-17 | 中国建筑第六工程局有限公司 | Cable-stayed bendable opening trestle structure and construction method thereof |
| CN104213501B (en) * | 2014-09-23 | 2016-03-30 | 中国建筑第六工程局有限公司 | A kind of cable-stayed type bent unlatching trestle work structure construction method |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
| CN105570539B (en) * | 2015-12-21 | 2018-03-20 | 广州机施建设集团有限公司 | The construction method of pipeline protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150211 Termination date: 20190923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |