CN108342992A - Front support structure and bridge rotating system - Google Patents
Front support structure and bridge rotating system Download PDFInfo
- Publication number
- CN108342992A CN108342992A CN201810410737.9A CN201810410737A CN108342992A CN 108342992 A CN108342992 A CN 108342992A CN 201810410737 A CN201810410737 A CN 201810410737A CN 108342992 A CN108342992 A CN 108342992A
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- China
- Prior art keywords
- front support
- support structure
- pontic
- driving device
- bridge
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
Front support structure and bridge rotating system provided by the invention, are related to bridge rotating technical field.The front support structure is for assisting bridge rotor system to realize swivel, and bridge rotating system includes pontic and bridge pier, and pontic is installed on bridge pier, and can be rotated relative to bridge pier.Front support structure includes auxiliary support structure and front support, auxiliary support structure includes supporting system, rail system and driving device, supporting system is for stretching into ground, rail system is arranged on supporting system, one end of front support connects driving device, and the other end coordinates for connecting pontic, driving device with rail system transmission, and front support relative orbit system can be driven to slide, to assist pontic to be rotated relative to bridge pier.The front support structure can assist bridge rotor system to realize swivel, improve safety.
Description
Technical field
The present invention relates to bridge rotating technical fields, in particular to a kind of front support structure and bridge rotating system.
Background technology
With starting for Chinese society and expanding economy and new round infrastructure construction climax, need to build more
More bridges across existing highway, railway, river, irrigation canals and ditches etc., and swivel bridges are small to Existing Railway Line Influence to operation with it, peace
Full blast nearly low advantage, is widely applied.
Swivel bridges are substantially balance swivel at present, and some flexural pivot both sides are designed to symmetrical structure, are equal in weight and are put down
Weighing apparatus swivel, some flexural pivots are anisopleual, and there are unbalanced moments, balance can be kept to turn often through anchoring system or counterweight
Body.With the development of modern bridge, especially across the railway line bridge of municipal administration is more and more, due to by urban transportation, railway operation with
And the reasons influence such as place limitation causes swivel length asymmetric, to swivel structure occur, there are the feelings of larger unbalanced moment
Condition certainly will also increase, and this kind of swivel bridges are difficult to keep balance, and scene does not have setting anchoring system by counterweight.
Existing swivel bridge device generally use keeps balancing to galianconism end counterweight, and this operation is non-flat for big quality
Weigh swivel rotation for operate it is very difficult, when swivel quality is excessive, such as the long 91.4m of certain long arm end, tricyclic line side galianconism
Long 43.8m is held, the swivel of 81 degree of angle, about 8600 tons of weight are turned, flexural pivot fulcrum connects section 3000 tons of weight difference of swivel, is pole
Unbalanced swivel is constructed, and is only leaned against galianconism end counterweight and be cannot be satisfied swivel equilibrium condition, and is easy to happen accident.
Therefore, and it can use auxiliary support structure and front support structure jointly with Auxiliary support effect is closed, to ensure to turn
The stability of body bridge structure.Front support structure is huge to the stability influence of swivel bridges.
Invention content
The purpose of the present invention is to provide a kind of front support structures, and bridge rotor system can be assisted to realize swivel, carried
High security.
Another object of the present invention is to provide a kind of bridge rotating systems, use front support knot provided by the invention
Structure can realize steady swivel, securely and reliably.
The present invention solves its technical problem using technical solution below to realize：
A kind of front support structure provided by the invention, for assisting bridge rotor system to realize swivel, the bridge rotating
System includes pontic and bridge pier, and the pontic is installed on the bridge pier, and can be rotated relative to the bridge pier, the front support knot
Structure includes auxiliary support structure and front support, and the auxiliary support structure includes supporting system, rail system and driving device, institute
It states supporting system and is arranged on the supporting system for stretching into ground, the rail system, one end of the front support connects
The driving device, the other end coordinate for connecting the pontic, the driving device with rail system transmission, and can
The relatively described rail system sliding of the front support is driven, to assist the pontic to be rotated relative to the bridge pier.
Further, the front support includes steel column, concrete is filled in the steel column, one end of the steel column is connected to
The driving device, the other end is for connecting the pontic.
Further, the front support further includes correcting wedge, and the correcting wedge is set to the end of the steel column, and
For connecting the pontic.
Further, the rail system includes bottom plate and rack, and the bottom plate is set on the supporting system, is tooth
Item is installed on the bottom plate, and the rack has the teeth portion of arc, and the teeth portion is used for and driving device transmission.
Further, the rack also slide guide wall with arc, the slide guide wall is oppositely arranged with the teeth portion, described
Slide guide wall is used for its position-limiting action of the driving device.
Further, the bottom plate is arc-shaped, and the rail system further includes connecting bracket, and the rack passes through the company
It connects holder to connect with the bottom plate, also, the connecting bracket is arranged along the outer edge of the bottom plate.
Further, the driving device includes drive component, gear, driving rack and Auxiliary support rolling truck；It is described
Front support and the driving component are arranged at intervals in the driving rack, and the driving component is connect with the gear, with band
The dynamic gear rotation, the gear are engaged with the teeth portion, and the Auxiliary support rolling truck is connected to the driving rack, and
For carrying the front support, the Auxiliary support rolling truck rolling is connected to the bottom plate.
Further, the driving device further includes guiding mechanism, and the guiding mechanism is connected to the driving rack simultaneously
It is protruding, to support with the rail system and slide relatively.
Further, the supporting system includes the sliding platform of pile foundation, multiple bolster stake groups and arc；The pile foundation
For stretching into ground, multiple bolster stake groups are spaced apart and arranged between the sliding platform and the pile foundation plinth, and point
The sliding platform and the pile foundation are not connected；The rail system is arranged on the sliding platform.
A kind of bridge rotating system provided by the invention, including pontic, bridge pier and the front support structure.
The front support structure includes auxiliary support structure and front support, the auxiliary support structure include supporting system,
Rail system and driving device, the supporting system are arranged for stretching into ground, the rail system on the supporting system,
One end of the front support connects the driving device, and the other end is for connecting the pontic, the driving device and the rail
Road drive system cooperation, and the relatively described rail system sliding of the front support can be driven, to assist the pontic with respect to institute
State bridge pier rotation.
The pontic is installed on the bridge pier, and can be rotated relative to the bridge pier；The front support connects with the pontic
It connects.
The advantageous effect of the embodiment of the present invention is：
Front support structure disclosed by the invention is for assisting bridge rotor system to realize swivel.Its supporting system is as carrying
Main body, rail system are set in support system, and under the driving effect of driving device, front support structure being capable of relative orbit system
System sliding plays the role of good power-assisted to drive pontic to be rotated relative to bridge pier.Front support structure structural strength is big, carrying
Power is strong, and Auxiliary support effect is good.
Bridge rotating system disclosed by the invention uses front support structure disclosed by the invention, can be in driving device
Activation force under so that front support structure can relative orbit system sliding, to drive pontic with respect to bridge pier rotate,
It is acted on to good power-assisted, is conducive to pontic and realizes steady swivel, securely and reliably.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiment of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the bridge rotating system that the specific embodiment of the invention provides.
Fig. 2 is the usage state diagram for the front support structure that the specific embodiment of the invention provides.
Fig. 3 is the structural schematic diagram of the supporting system for the front support structure that the specific embodiment of the invention provides.
Fig. 4 is the structural schematic diagram of the rail system for the front support structure that the specific embodiment of the invention provides.
Fig. 5 is the structural schematic diagram of the driving device for the front support structure that the specific embodiment of the invention provides.
Fig. 6 is the cross-sectional view of the front support for the front support structure that the specific embodiment of the invention provides.
Icon：100- bridge rotating systems；110- pontics；The bottom ends 112-；The bottom surfaces 113-；120- bridge piers；130- support pads
Stone；140- Rotary ball hinges；200- front support structures；201- auxiliary support structures；210- supporting systems；211- bolster stake groups；
2212- connecting poles；2113- spiral welded pipes；212- sliding platforms；220- rail systems；221- bottom plates；223- connecting brackets；
224- racks；2241- teeth portion；2242- slide guide walls；225- loading plates；230- driving devices；231- drive components；2311- slows down
Rack；2312- actuators；232- gears；233- drives rack；234- Auxiliary support rolling trucks；235- guiding mechanisms；Before 202-
Support；241- steel columns；242- concrete；243- correcting wedges.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper" is based on attached
Orientation or positional relationship shown in figure or the invention product using when the orientation or positional relationship usually put, be only for
Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second ", " third " and " the 4th " etc. is only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it is also necessary to which explanation, unless in addition having more specific regulation and limiting, term " is set
Set ", " connection " more broadly understanding should be done, for example, " connection " may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to an embodiment of the invention, it is in the absence of conflict, following
Feature in embodiment can be combined with each other.
Fig. 1 is the structural schematic diagram of bridge rotating system 100 provided in this embodiment.Fig. 1 is please referred to, the present embodiment discloses
A kind of bridge rotating system 100 comprising pontic 110, bridge pier 120 and front support structure 200.
Wherein, pontic 110 is installed on bridge pier 120, and can be rotated relative to bridge pier 120, front support structure 200 and bridge pier
120 interval settings, and connected with pontic 110, be used to support and assist that pontic 110 is driven to rotate relative to bridge pier 120, to realize bridge
The successful swivel of body 110.
In order to ensure the stability of 120 connection structure of pontic 110 and bridge pier, and realize relative rotation, in the present embodiment, bridge
It is provided with Rotary ball hinge 140 between body 110 and bridge pier 120, and is realized and is rotatablely connected by the Rotary ball hinge 140.
Further, the top of bridge pier 120 is provided with bearing pad stone 130, and Rotary ball hinge 140 is connected to bearing pad stone 130,
Pontic 110 is connected to Rotary ball hinge 140 and can be rotated around bridge pier 120 under the drive of Rotary ball hinge 140.
It should be noted that bearing pad stone 130 is poured using concrete 242, keep condensing into one with bridge pier 120
Body.
In the present embodiment, pontic 110 is big quality non-equilibrium structure, 112 eccentric setting of bottom end of pontic 110, from pontic
110 bottom end 112 is obliquely installed to both sides, and forms two inclined bottom surfaces 113.Front support structure 200 and one of bottom
Face 113 connects, and close to the setting of the lengthwise centers of pontic 110.
Fig. 2 is the usage state diagram of front support structure 200 provided in this embodiment.Incorporated by reference to referring to Figures 1 and 2, this reality
It applies in example, front support structure 200 includes auxiliary support structure 201 and front support 202.
Front support 202 is connected between auxiliary support structure 201 and a bottom surface 113 of pontic 110.
Wherein, auxiliary support structure 201 includes supporting system 210, rail system 220 and driving device 230.
Supporting system 210 is arranged for stretching into ground, rail system 220 on supporting system 210, and the one of front support 202
End connection driving device 230, the other end is for connecting pontic 110, and driving device 230 coordinates with the transmission of rail system 220, and energy
The sliding of 202 relative orbit system 220 of front support is enough driven, to assist pontic 110 to be rotated relative to bridge pier 120.
Fig. 3 is the structural schematic diagram of the supporting system 210 of front support structure 200 provided in this embodiment.Fig. 3 is please referred to,
Supporting system 210 includes the sliding platform 212 of pile foundation (not shown), multiple bolster stake groups 211 and arc.
Pile foundation for stretching into ground, multiple bolster stake groups 211 be spaced apart and arranged in sliding platform 212 and pile foundation it
Between, and it is separately connected sliding platform 212 and pile foundation.
It is understood that pile foundation can be Bored Pile Foundation or high-pressure rotary-spray pile foundation.In the present embodiment, each
Bolster stake group 211 includes that three spiral welded pipes 2113 in a row-shaped are connected by multiple connecting poles 2212.
Multiple bolster stake groups 211 are connected between sliding platform 212 and pile foundation, with enhancing structure stability.
It should be noted that in the present embodiment, 212 overall length 81.5m of sliding platform, and apart from swivel center (bridge pier 120)
Radius 27.128m.
Wherein, the small-sized steel box-girder that sliding platform 212 is welded using steel plate, top width 2m, the wide 3.6m in bottom are high
2m。
Fig. 4 is the structural schematic diagram of the rail system 220 of front support structure 200 provided in this embodiment.Incorporated by reference to reference
Fig. 2 and Fig. 4, in the present embodiment, rail system 220 is arranged on sliding platform 212.
Rail system 220 includes bottom plate 221, connecting bracket 223 and rack 224.Rack 224 by connecting bracket 223 with
Bottom plate 221 connects, also, connecting bracket 223 is arranged along the outer edge of bottom plate 221.
It is understood that in other preferred embodiments, rack 224 can also be directly mounted on bottom plate 221.
Bottom plate 221 is arc-shaped, and is set on supporting system 210.
Rack 224 has the teeth portion 2241 of arc, and teeth portion 2241 is used for and driving device 230 is driven.
Rack 224 also the slide guide wall 2242 with arc, slide guide wall 2242 are oppositely arranged with teeth portion 2241, slide guide wall 2242
For to its position-limiting action of driving device 230.
In order to ensure the fixing of structure, in the present embodiment, rail system 220 further includes loading plate 225, loading plate 225
It is set between bottom plate 221 and sliding platform 212.
Fig. 5 is the structural schematic diagram of the driving device 230 of front support structure 200 provided in this embodiment.Incorporated by reference to reference
Fig. 2 and Fig. 5, driving device 230 include drive component 231, gear 232, driving rack 233 and Auxiliary support rolling truck 234.
Front support 202 and drive component 231 are arranged at intervals in driving rack 233, and drive component 231 connects with gear 232
It connects, is rotated with band moving gear 232, gear 232 is engaged with teeth portion 2241, and Auxiliary support rolling truck 234 is connected to driving rack
233, and for carrying front support 202, the rolling of Auxiliary support rolling truck 234 is connected to bottom plate 221.
In the present embodiment, drive component 231 includes deceleration rack 2311 and actuator 2312, and deceleration rack 2311 is connected to
Rack 233, actuator 2312 is driven to be connected to deceleration rack 2311, to drive deceleration rack 2311 to act, with band moving gear 232
Rotation.
In order to ensure that orientation is accurate, driving device 230 further includes guiding mechanism 235, and guiding mechanism 235 is connected to driving machine
Frame 233 is simultaneously protruding, is supported with the slide guide wall 2242 with rack 224 and the opposite slide guide wall 2242 slides.
It is understood that drive component 231 can drive gear 232 to rotate, and coordinate with rack 224, before drive
202 rotation of support, meanwhile, Auxiliary support rolling truck 234 can be slided with bottom plate 221, while carrying front support 202, be reduced
Friction.
Fig. 6 is the cross-sectional view of the front support 202 of front support structure 200 provided in this embodiment.Incorporated by reference to ginseng
According to Fig. 2 and Fig. 6, front support 202 includes steel column 241, fills concrete 242 in steel column 241, one end of steel column 241 is connected to drive
Dynamic device 230, the other end is for connecting pontic 110.
This firm in structure, bearing capacity is strong.
And in order to ensure with 113 good connection relation of the inclined bottom surface of pontic 110, front support 202 further includes wedge
Shape cushion block 243, correcting wedge 243 are set to the end of steel column 241, and for connecting pontic 110.
It is understood that supporting system 210, rail system 220, driving device 230 and front support 202 formed it is firm
Front support structure 200, play the role of Auxiliary support.
When bridge rotating system 100 is installed, the lifting of Rotary ball hinge 140 is arranged on bearing pad stone 130 and is fixed, together
When support system is positioned close on the ground at the middle part of pontic 110, be laid with rail system 220, driving device 230 be installed, and
Front support 202 is respectively supported on pontic 110 and driving device 230, driving device 230 can be moved along rail system 220,
To drive front support 202 to move, it is further driven to the rotation of pontic 110, under the collective effect of Rotary ball hinge 140, pontic 110
Opposite bridge pier 120 rotates, and is operated to realize to turn pontic 110.Since front support 202 is played a supporting role simultaneously,
So the degree of unbalancedness of bridge rotating can be eliminated, avoids and be balanced using counterweight.
To sum up, front support structure 200 disclosed in the present embodiment is for assisting bridge rotor system 100 to realize swivel.It is propped up
It holding system 210 and is used as arrying main body, rail system 220 is set in support system, under the driving effect of driving device 230,
Front support structure 200 can relative orbit system 220 slide, to drive pontic 110 with respect to bridge pier 120 rotate, play well
Power-assisted effect.200 structural strength of front support structure is big, and bearing capacity is strong, and Auxiliary support effect is good.
Bridge rotating system 100 disclosed in the present embodiment uses front support structure 200 disclosed in the present embodiment, can
Under the activation force of driving device 230 so that front support structure 200 can relative orbit system 220 slide, to drive
Pontic 110 is rotated relative to bridge pier 120, is played the role of good power-assisted, is conducive to pontic 110 and realizes steady swivel, securely and reliably.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of front support structure, for assisting bridge rotor system to realize swivel, the bridge rotating system include pontic and
Bridge pier, the pontic are installed on the bridge pier, and can be rotated relative to the bridge pier, which is characterized in that the front support structure
Including auxiliary support structure and front support, the auxiliary support structure includes supporting system, rail system and driving device, described
Supporting system is arranged for stretching into ground, the rail system on the supporting system, and one end of the front support connects institute
Driving device is stated, the other end coordinates for connecting the pontic, the driving device with rail system transmission, and being capable of band
The relatively described rail system sliding of the front support is moved, to assist the pontic to be rotated relative to the bridge pier.
2. front support structure as described in claim 1, which is characterized in that the front support includes steel column, is filled in the steel column
Concrete is filled out, one end of the steel column is connected to the driving device, and the other end is for connecting the pontic.
3. front support structure as claimed in claim 2, which is characterized in that the front support further includes correcting wedge, the wedge
Shape cushion block is set to the end of the steel column, and for connecting the pontic.
4. front support structure as described in claim 1, which is characterized in that the rail system includes bottom plate and rack, described
Bottom plate is set on the supporting system, is that rack is installed on the bottom plate, and the rack has the teeth portion of arc, the tooth
Portion is used for and driving device transmission.
5. front support structure as claimed in claim 4, which is characterized in that the rack also slide guide wall with arc, it is described
Slide guide wall is oppositely arranged with the teeth portion, and the slide guide wall is used for its position-limiting action of the driving device.
6. front support structure as claimed in claim 4, which is characterized in that the bottom plate is arc-shaped, and the rail system also wraps
Connecting bracket is included, the rack is connect by the connecting bracket with the bottom plate, also, the connecting bracket is along the bottom plate
Outer edge setting.
7. front support structure as claimed in claim 4, which is characterized in that the driving device includes drive component, gear, drive
Motivation frame and Auxiliary support rolling truck；The front support and the driving component are arranged at intervals in the driving rack, described
Drive component is connect with the gear, and to drive the gear to rotate, the gear is engaged with the teeth portion, the Auxiliary support
Rolling truck is connected to the driving rack, and for carrying the front support, and the Auxiliary support rolling truck rolling is connected to institute
State bottom plate.
8. front support structure as claimed in claim 7, which is characterized in that the driving device further includes guiding mechanism, described
Guiding mechanism is connected to the driving rack and protruding, to support and opposite slide with the rail system.
9. front support structure as described in claim 1, which is characterized in that the supporting system includes pile foundation, multiple carryings
The sliding platform of column group and arc；The pile foundation is spaced apart and arranged in described for stretching into ground, multiple bolster stake groups
Between sliding platform and the pile foundation, and it is separately connected the sliding platform and the pile foundation；The rail system setting
On the sliding platform.
10. a kind of bridge rotating system, which is characterized in that including pontic, bridge pier and as described in any one of claims 1-9
Front support structure；The pontic is installed on the bridge pier, and can be rotated relative to the bridge pier；The front support and the pontic
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410737.9A CN108342992A (en) | 2018-05-02 | 2018-05-02 | Front support structure and bridge rotating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410737.9A CN108342992A (en) | 2018-05-02 | 2018-05-02 | Front support structure and bridge rotating system |
Publications (1)
| Publication Number | Publication Date |
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| CN108342992A true CN108342992A (en) | 2018-07-31 |
Family
ID=62956331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410737.9A Pending CN108342992A (en) | 2018-05-02 | 2018-05-02 | Front support structure and bridge rotating system |
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| Country | Link |
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| CN (1) | CN108342992A (en) |
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| CN110144830A (en) * | 2019-04-28 | 2019-08-20 | 中国铁路设计集团有限公司 | A kind of bridge pier top body rotation construction method |
| WO2020052229A1 (en) * | 2018-09-10 | 2020-03-19 | 长沙理工大学 | Arch foot maintenance device and maintenance method for achieving multi-degree-of-freedom displacement of arch foot |
| CN113834678A (en) * | 2021-09-23 | 2021-12-24 | 中铁十一局集团第一工程有限公司 | Multipoint support type swivel bridge model test device and test method |
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| CN107700369A (en) * | 2017-09-20 | 2018-02-16 | 中铁武汉勘察设计研究院有限公司 | A kind of design and construction method of bridge rotating under pole asymmetrical state |
| CN107916624A (en) * | 2017-11-24 | 2018-04-17 | 武汉海润工程设备有限公司 | A kind of unequal asymmetric swivel equipment of swivel center both ends swivel weight |
| CN208167559U (en) * | 2018-05-02 | 2018-11-30 | 中铁十一局集团第二工程有限公司 | Front support structure and bridge rotating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107700369A (en) * | 2017-09-20 | 2018-02-16 | 中铁武汉勘察设计研究院有限公司 | A kind of design and construction method of bridge rotating under pole asymmetrical state |
| CN107916624A (en) * | 2017-11-24 | 2018-04-17 | 武汉海润工程设备有限公司 | A kind of unequal asymmetric swivel equipment of swivel center both ends swivel weight |
| CN208167559U (en) * | 2018-05-02 | 2018-11-30 | 中铁十一局集团第二工程有限公司 | Front support structure and bridge rotating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020052229A1 (en) * | 2018-09-10 | 2020-03-19 | 长沙理工大学 | Arch foot maintenance device and maintenance method for achieving multi-degree-of-freedom displacement of arch foot |
| US11066793B2 (en) | 2018-09-10 | 2021-07-20 | Changsha University Of Science & Technology | Arch foot maintaining device and maintenance method for achieving multi-degree-of-freedom displacement of arch foot |
| CN110144830A (en) * | 2019-04-28 | 2019-08-20 | 中国铁路设计集团有限公司 | A kind of bridge pier top body rotation construction method |
| CN110144830B (en) * | 2019-04-28 | 2020-10-16 | 中国铁路设计集团有限公司 | Bridge pier top rotation construction method |
| CN113834678A (en) * | 2021-09-23 | 2021-12-24 | 中铁十一局集团第一工程有限公司 | Multipoint support type swivel bridge model test device and test method |
| CN113834678B (en) * | 2021-09-23 | 2023-10-24 | 中铁十一局集团第一工程有限公司 | Multi-point support type swivel bridge model test device and test method |
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