CN204919367U - Mound body top structure of turning - Google Patents
Mound body top structure of turning Download PDFInfo
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- CN204919367U CN204919367U CN201520623700.6U CN201520623700U CN204919367U CN 204919367 U CN204919367 U CN 204919367U CN 201520623700 U CN201520623700 U CN 201520623700U CN 204919367 U CN204919367 U CN 204919367U
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- body top
- pier body
- pile casting
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Abstract
The utility model relates to a bridge technical field that turns, concretely relates to mound body top structure of turning, it includes: arrange the ball pivot structure on the mound body top in, the ball pivot structure includes: go up ball pivot, lower ball pivot, round pin axle, lower ball pivot is installed on the top is personally experienced sth. Part of the body to the mound, and upward the ball pivot is in the top of ball pivot down, sells a center of passing ball pivot, lower ball pivot, last ball pivot protects a section of thick bamboo by the steel and last sphere steel sheet encloses, and the sphere steel sheet is in the bottom that the steel protected a section of thick bamboo, the steel protects a section of thick bamboo and cuts and to protect a section of thick bamboo for the upper segment steel protects a section of thick bamboo and hypomere steel, and the upper segment steel protects a section of thick bamboo and protects with the hypomere steel and set up two flat steel platform of parallel from top to bottom between the section of thick bamboo, sets up the above intermediate layer steel sheet of one deck between two flat steel platform, intermediate layer steel sheet and two flat steel platform's perpendicular bisector coincidence, and the contact is connected. The utility model discloses earlier along the existing railway line construction prestressed concrete continuous beam body, dun ding establishes the ball pivot of turning, flats turn fast to the bridge location, rotate set position after, take the intermediate layer steel sheet out fixed for permanent structure.
Description
Technical field
The utility model relates to bridge technical field of turning, and is specifically related to pier body top swivel structure.
Background technology
Construction by swing uses more in China, mainly because the construction equipment of erection by swing requirement is few, easy and simple to handle, along with the synchronous jack of advanced person and the use of computer autocontrol technique, construction by swing is progressively applied on large span, large heavy girder.Conventional design scheme has: the continuous through truss beam bondbeam scheme of the prestressed concrete continuous beam scheme of incremental launching method, the continuous steel of lift-on/lift-off system construction-mixed bondbeam scheme, dilatory method construction, as adopted front 3 schemes, will produce railway transportation and disturb frequently, cause unnecessary economy and social loss to country.
Utility model content
Embodiment of the present utility model provides a kind of pier body top swivel structure, and it is less to solve Dun Ding space of turning, and swivel structure is to the problem changed between permanent structure.
There is provided a kind of pier body top swivel structure according to an aspect of the present utility model, comprising: be placed in the spherical hinge structure on described pier body top; Described spherical hinge structure comprises: upper ball pivot, lower ball pivot, bearing pin; Described lower ball pivot is arranged on described pier body top, and described upper ball pivot is in the top of described lower ball pivot, and described bearing pin is through the center of described upper ball pivot, described lower ball pivot;
Described upper ball pivot is surrounded by steel pile casting, steel top board and upper sphere steel plate, and the upper end of wherein said steel pile casting covers described steel top board, and lower end covers described upper sphere steel plate;
Described steel pile casting is truncated into epimere steel pile casting and hypomere steel pile casting, arranges about two pieces parallel plane steel plates, arrange the sandwich clad steel of more than one deck between two pieces of described plane steel plates between described epimere steel pile casting and described hypomere steel pile casting; Described sandwich clad steel overlaps with the perpendicular bisector of two pieces of described plane steel plates, and contact connects.
In certain embodiments, be preferably, sandwich clad steel stacked on top of one another described in multilayer.
In certain embodiments, be preferably, described epimere steel pile casting is fixedly connected with the plane steel plate be in contact with it; Described hypomere steel pile casting is fixedly connected with the plane steel plate be in contact with it.
In certain embodiments, be preferably, the diameter of described plane steel plate is greater than the cross-sectional diameter of described steel pile casting, and the edge of described plane steel plate arranges the above bolt hole of a circle, passes for bolt.
In certain embodiments, be preferably, the edge of described sandwich clad steel stretches out more than one the plate tongue for tractive, and the plate tongue of described sandwich clad steel is in outside two described plane steel plate clip positions.
In certain embodiments, be preferably, described pier body top arranged the assembly that rises and falls of multiple jack up girder.
In certain embodiments, preferably, the assembly that rises and falls described in comprises multiple jack.
In certain embodiments, be preferably, described pier body top swivel structure also comprises bearing, and after girder construction turns commitment positions, pier body top is stood in the bottom of described bearing, and top contacts with described girder construction.
In certain embodiments, be preferably, the both sides of pier body arrange slideway, and described slideway connects bearing primary importance and the bearing second place; Described bearing primary importance is position when Liang Tiwei forwards commitment positions to residing for bearing, and the described bearing second place forwards the position residing for commitment positions rear support to for beam body.
The pier body top swivel structure provided by embodiment of the present utility model, compared with prior art, steel pile casting is cut in two up and down, centre arranges plane steel plate, sandwich establishment steel plate between two plane steel plates, because sandwich clad steel is connected with the Contact of plane steel plate, therefore, after beam body turns to commitment positions, sandwich clad steel can be extracted out, be fixed as permanent structure.The thickness of sandwich clad steel is adjustable, therefore, can adjust according to back timber high degree of adaptability, along existing railway line construction prestressed concrete continuous beam body, Dun Ding establishes Rotary ball hinge, in a short period of time by structure flat turn to bridge location, the ball pivot used in this kind of pier top swivel structure is swivel structure, turning after terminating is again permanent structure, and can realize the Program for structural Transformation of beam body by the jacking of ball pivot.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, discuss to the accompanying drawing used required in embodiment or description of the prior art below, obviously, only embodiments more of the present utility model in the technical scheme be described by reference to the accompanying drawings, for those of ordinary skills, under the prerequisite not paying creative work, other embodiment and accompanying drawing thereof can also be obtained according to these accompanying drawing illustrated embodiments.
Fig. 1 is that in the utility model embodiment, pier body top swivel structure is turned the structural representation of forecourt hinge device;
Fig. 2 be in the utility model embodiment pier body top swivel structure turn after the structural representation of ball pivot device;
Fig. 3 is the structural representation of sandwich clad steel in the utility model embodiment;
Fig. 4 is the structural representation of the utility model embodiment midplane steel plate.
Detailed description of the invention
Carry out clear complete description below with reference to the technical scheme of accompanying drawing to each embodiment of the utility model, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not needing creative work, all in the scope that the utility model is protected.
Consider that bridge formation can produce to railway transportation the problem disturbed frequently on railway at present, the utility model provides a kind of pier body top swivel structure.
This pier body top swivel structure comprises: be placed in the spherical hinge structure on pier body top; Spherical hinge structure comprises: upper ball pivot, lower ball pivot, bearing pin; Lower ball pivot is arranged on pier body top, and upper ball pivot is in the top of lower ball pivot, and bearing pin is through the center of upper ball pivot, lower ball pivot; Upper ball pivot is surrounded by steel pile casting and upper sphere steel plate, and sphere steel plate is in the bottom of steel pile casting; Steel pile casting is truncated into epimere steel pile casting and hypomere steel pile casting, arranges about two pieces parallel plane steel plates, arrange the sandwich clad steel of more than one deck between two pieces of plane steel plates between epimere steel pile casting and hypomere steel pile casting; Sandwich clad steel overlaps with the perpendicular bisector of two pieces of plane steel plates, and contact connects.Therefore, after beam body turns to commitment positions, sandwich clad steel can be extracted out, be fixed.The thickness of sandwich clad steel is adjustable, therefore, can adjust according to back timber high degree of adaptability, along existing railway line construction prestressed concrete continuous beam body, Dun Ding establishes Rotary ball hinge, in a short period of time by structure flat turn to bridge location, the ball pivot used in this kind of pier top swivel structure is swivel structure, turning after terminating is again permanent structure, and can realize the Program for structural Transformation of beam body by the jacking of ball pivot.
The multiple embodiment of following utilization is described in detail:
Pier body top swivel structure, as Figure 1-4, comprising: be placed in the spherical hinge structure on pier body top; Beam body is turned based on this ball pivot.The top of spherical hinge structure is upper ball pivot 5, and bottom is lower ball pivot 10, and the two is connected by bearing pin 9, and bearing pin 9 is through the center of the two.Spherical relative sliding is adopted between upper ball pivot 5, lower ball pivot 10.Lower ball pivot 10 is arranged on pier body top, and upper ball pivot 5 is in the top of lower ball pivot 10.Dun Ding turns and is divided into anchor block top and movable pier top to turn.Upper ball pivot 5 is installed and is turned 1, and lower ball pivot 10 turns 2 under installing.
Different from upper ball pivot 5 structure of the prior art, the upper ball pivot 5 in this technology is surrounded by steel pile casting, steel top board and upper sphere steel plate 8, and upper sphere steel plate 8 is in the bottom of ball pivot; Steel pile casting plays the supporting role supporting top and turn.Steel pile casting is truncated into epimere steel pile casting 3 and hypomere steel pile casting 4, arranges the sandwich clad steel 6 arranging more than one deck between about two pieces parallel plane steel plate 7, two pieces of plane steel plates 7 between epimere steel pile casting 3 and hypomere steel pile casting 4; Sandwich clad steel 6 overlaps with the perpendicular bisector of two pieces of plane steel plates 7, and contact connects.The thickness of sandwich clad steel 6 can adjust, and the number of plies of sandwich clad steel 6 also can adjust, thus has increased the height of steel pile casting entirety, extends the construction area at pier body top, decreases the use amount of jack.
If use multilayer sandwich plate in the art, technology is further designed to, and these sandwich clad steels need stacked on top of one another, forms the transmission of linear pattern power, avoids force curve transmission to cause beam to turn the misalignment of middle unbalance stress.
Because sandwich clad steel 6 is extracted out after beam body turns commitment positions, therefore, sandwich clad steel 6 is drawn out of, and in order to avoid plane steel plate 7 is subjected to displacement, is fixedly connected with by epimere steel pile casting 3 further in technology with the plane steel plate 7 be in contact with it; Hypomere steel pile casting 4 is fixedly connected with the plane steel plate 7 be in contact with it.
Because plane steel plate 7 is for being kept in bridge, the diameter of plane steel plate 7 is greater than the cross-sectional diameter of steel pile casting, the edge of plane steel plate 7 arranges the above bolt hole of a circle 12, pass for bolt, after sandwich clad steel 6 is extracted out, again tightened by two-layer plane steel plate 7 with high-strength bolt, fix, meanwhile, on ball pivot, lower peripheral surface departs from.On the other hand, prevent beam from falling, enhance earthquake zone seismic measures.
After technology is improved further, before sandwich clad steel 6 is not extracted out, sandwich clad steel 6, plane steel plate 7 can be bolted together.
Plane steel plate 7 has bolt hole 12, bearing pin 9 hole, injected hole or steam vent by using function.
Conveniently extracted out by sandwich clad steel 6, the edge of sandwich clad steel 6 stretches out more than one the plate tongue 11 for tractive, and the plate tongue 11 of sandwich clad steel 6 is in outside two plane steel plate 7 clip positions.Plate tongue 11, outside clip position, facilitates tractive.
After beam body forwards predeterminated position to, in order to carry out the conversion of braced structures, erection support is needed to carry out brace summer body, so, pier body top is arranged the assembly that rises and falls of multiple jack up girder, first beam body is promoted certain altitude, by changing the structure height of upper ball pivot 5, make ball pivot and beam body separately, bearing is pushed the position that it needs to support, realize support system and change.
The assembly that rises and falls in the present embodiment is set to multiple jack.Multiple jack is circumferentially uniformly distributed.
Based on the above-mentioned formal braced structures (i.e. bearing) mentioned, after girder construction turns commitment positions, pier body top is stood in the bottom of bearing, and top contacts with girder construction.
Before and after beam body is turned, the position of bearing is not identical, and in order to impel bearing to move between two positions, the both sides of pier body arrange slideway, and slideway connects bearing primary importance and the bearing second place; Bearing primary importance is position when Liang Tiwei forwards commitment positions to residing for bearing, and the bearing second place forwards the position residing for commitment positions rear support to for beam body.
In this technique:
(1) pier top Rotary ball hinge adopts detachable steel plate and steel pile casting design, can meet ball pivot and rotate needs, rotate the dismantled and assembled spelling again of rear upper ball pivot, completed system transform, and the double girder falling that does uses, and has good applicability and economic benefit.
(2) turn rear jack up girder in place, formal bearing is installed, realize structural system reasonable conversion, play superstructure normal using function, be conducive to ensureing construction quality and mobilization.
(3) setting of sandwich clad steel decreases back timber height, meets requirement of turning again simultaneously, decreases jack quantity, add pier top working space, improve the stability of system.
(4) ball pivot doublely can do horizontal falling-off prevention measures, for earthquake zone bridge superstructure increases one anti-vibration defense lines.
Utilize above-mentioned pier body top swivel structure, carry out beam body and turn and the conversion of braced structures, concrete methods of realizing is:
At pier body top, spherical hinge structure is installed, together with two plane steel plates 7 are bolted to sandwich clad steel 6, after building girder construction, turn, after predeterminated position of turning, the back timber jack of Dun Ding, by lifting beam height, reach bearing installing space, bearing passes through slideway incremental launching positioning, after turning from the interim lay down location in pier shaft both sides simultaneously, alignment pin 9 is taken out, and after the sandwich clad steel 6 between steel pile casting is extracted out, again with high-strength bolt, two-layered steel plates is tightened, lower peripheral surface on ball pivot is departed from.Final system transform is realized after completing installation.
Pier top Rotary ball hinge can realize turning lightweight, economy, safety, and Program for structural Transformation realizes the function of formal bearing, meets the needs of structure stress characteristic; Dun Ding arranges back timber jack, by changing the structure height of upper ball pivot, ball pivot is separated with beam body, and the horizontal incremental launching positioning of bearing, realizes final system transform simultaneously.Rotary ball hinge is double does girder falling facility, increases by one anti-vibration defense lines, has obvious economy, ensure that the safety of rotator construction simultaneously.
The various embodiments that the utility model provides can combine as required in any way mutually, the technical scheme obtained by this combination, also in scope of the present utility model.
Obviously, when not departing from spirit and scope of the present utility model, those skilled in the art can carry out various change and modification to the utility model.If to change of the present utility model these and modification is within the scope of claim of the present utility model and equivalent thereof, then the utility model also will comprise these and change and modification.
Claims (9)
1. a pier body top swivel structure, is characterized in that, comprising: be placed in the spherical hinge structure on pier body top; Described spherical hinge structure comprises: upper ball pivot, lower ball pivot, bearing pin; Described lower ball pivot is arranged on described pier body top, and described upper ball pivot is in the top of described lower ball pivot, and described bearing pin is through the center of described upper ball pivot, described lower ball pivot;
Described upper ball pivot is surrounded by steel pile casting and upper sphere steel plate, and described upper sphere steel plate is in the bottom of described upper ball pivot;
Described steel pile casting is truncated into epimere steel pile casting and hypomere steel pile casting, arranges about two pieces parallel plane steel plates, arrange the sandwich clad steel of more than one deck between two pieces of described plane steel plates between described epimere steel pile casting and described hypomere steel pile casting; Described sandwich clad steel overlaps with the perpendicular bisector of two pieces of described plane steel plates, and contact connects.
2. pier body top as claimed in claim 1 swivel structure, is characterized in that, sandwich clad steel stacked on top of one another described in multilayer.
3. pier body top as claimed in claim 1 swivel structure, it is characterized in that, described epimere steel pile casting is fixedly connected with the plane steel plate be in contact with it; Described hypomere steel pile casting is fixedly connected with the plane steel plate be in contact with it.
4. the pier body top swivel structure as described in any one of claim 1-3, it is characterized in that, the diameter of described plane steel plate is greater than the cross-sectional diameter of described steel pile casting, and the edge of described plane steel plate arranges the above bolt hole of a circle, passes for bolt.
5. pier body top as claimed in claim 4 swivel structure, is characterized in that, the edge of described sandwich clad steel stretches out more than one the plate tongue for tractive, and the plate tongue of described sandwich clad steel is in outside two described plane steel plate clip positions.
6. pier body top as claimed in claim 5 swivel structure, is characterized in that, described pier body top is arranged the assembly that rises and falls of multiple jack up girder.
7. pier body top as claimed in claim 6 swivel structure, is characterized in that, described in the assembly that rises and falls comprise multiple jack.
8. pier body top as claimed in claim 5 swivel structure, it is characterized in that, also comprise bearing, after girder construction turns commitment positions, pier body top is stood in the bottom of described bearing, and top contacts with described girder construction.
9. pier body top swivel structure as claimed in claim 8, it is characterized in that, the both sides of pier body arrange slideway, and described slideway connects bearing primary importance and the bearing second place; Described bearing primary importance is position when Liang Tiwei forwards commitment positions to residing for bearing, and the described bearing second place forwards the position residing for commitment positions rear support to for beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623700.6U CN204919367U (en) | 2015-08-18 | 2015-08-18 | Mound body top structure of turning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520623700.6U CN204919367U (en) | 2015-08-18 | 2015-08-18 | Mound body top structure of turning |
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| CN204919367U true CN204919367U (en) | 2015-12-30 |
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| CN201520623700.6U Active CN204919367U (en) | 2015-08-18 | 2015-08-18 | Mound body top structure of turning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358106A (en) * | 2018-01-18 | 2018-08-03 | 重庆三峡学院 | A kind of bridge intelligence rotator construction control system based on touch Big Dipper positioning |
| CN110565538A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with damping function and construction method thereof |
| CN110629675A (en) * | 2018-08-29 | 2019-12-31 | 中铁三局集团有限公司 | Cast-in-place pier top rotating and cantilever pouring combined construction method for continuous beam support |
-
2015
- 2015-08-18 CN CN201520623700.6U patent/CN204919367U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358106A (en) * | 2018-01-18 | 2018-08-03 | 重庆三峡学院 | A kind of bridge intelligence rotator construction control system based on touch Big Dipper positioning |
| CN108358106B (en) * | 2018-01-18 | 2023-05-09 | 重庆三峡学院 | Bridge intelligent swivel construction control system based on touch Beidou positioning |
| CN110629675A (en) * | 2018-08-29 | 2019-12-31 | 中铁三局集团有限公司 | Cast-in-place pier top rotating and cantilever pouring combined construction method for continuous beam support |
| CN110565538A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with damping function and construction method thereof |
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