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A platform for research: civil engineering, architecture and urbanism
Auxiliary reinforcing device for incremental launching construction of fabricated steel truss girder bridge
The invention discloses an auxiliary reinforcing device for incremental launching construction of a fabricated steel truss girder bridge. The auxiliary reinforcing device comprises a bridge system, a vibration sensor, a control center, a sliding mast, a control lifting point, a steel cable, a reinforcing assembly, a signal transmission device and a processor. The guide beam, the first section of main beam and the second section of main beam are assembled and connected to perform pushing operation, a control lifting point is arranged at the position of the guide beam and is clamped and fixed through a bolt plate and a matched bolt, a first sliding mast, a second sliding mast and a vibration sensor are arranged on the first section of main beam and the second section of main beam respectively, and a control center is arranged at the tail end of the main beam. Steel cables penetrate through sliding wheels respectively arranged at the tops of the control lifting point and the first and second sliding masts; the right sides of the steel cables are connected to a driving wheel of a control center. The vibration sensor transmits the vibration condition of the pushing full-time-domain beam body to the control center, the signal processor controls the motor to drive the chain to control the driving wheel to rotate, the winding and unwinding function of the steel cable is achieved, therefore, the lifting falling function of a control lifting point is achieved, and meanwhile the set vibration threshold value can achieve the timely early warning function when an abnormal signal occurs. And the situation that the normal service state of the steel truss girder bridge is affected due to damage to the steel truss girder bridge nodes caused by alternating positive and negative bending moments in the incremental launching construction process is avoided. The control lifting points, the sliding masts and the control center can be installed in an assembly mode, multiple sets of sliding masts are selected according to different steel truss girder bridge scales, balanced stress is achieved, and it is guaranteed that stress is reasonable in the steel truss girder bridge pushing process. The structure is reasonable, the assembling degree is high, construction is convenient, the adaptability is high, and application and popularization can be achieved.
本发明公开了一种装配式钢桁梁桥顶推施工辅助加强装置，包括桥梁系统、振动传感器、控制中心、滑动桅杆、控制吊点，钢索和加固组件及信号传输、处理器。导梁、第一段主梁和第二段主梁装配连接进行顶推作业，控制吊点布置在导梁位置通过螺栓板和配套螺栓进行夹紧固定，在第一、第二段主梁分别布设第一、第二滑动桅杆以及振动传感器，在主梁末端布设控制中心，控制吊点和第一、第二滑动桅杆顶部分别布设的滑动轮穿有钢索，钢索右边连接于控制中心的主动轮。振动传感器对顶推全时域梁体振动情况传输至控制中心，信号处理器控制电动机驱动链条控制主动轮转动，实现对钢索的收放功能，由此实现对控制吊点的起吊落回功能，同时设置的振动阈值可实现出现异常信号是及时预警功能。避免了钢桁梁桥在顶推施工过程中受到正负弯矩交替对钢桁梁桥节点造成损伤，影响钢桁梁桥正常服役状态。本发明控制吊点和滑动桅杆及控制中心均可通过装配式安装，根据不同钢桁梁桥规模选用多套滑动桅杆，实现均衡受力，保证钢桁梁桥顶推过程内受力合理。其结构合理，装配程度高，施工方便，适应能力强，可以推广应用。
Auxiliary reinforcing device for incremental launching construction of fabricated steel truss girder bridge
The invention discloses an auxiliary reinforcing device for incremental launching construction of a fabricated steel truss girder bridge. The auxiliary reinforcing device comprises a bridge system, a vibration sensor, a control center, a sliding mast, a control lifting point, a steel cable, a reinforcing assembly, a signal transmission device and a processor. The guide beam, the first section of main beam and the second section of main beam are assembled and connected to perform pushing operation, a control lifting point is arranged at the position of the guide beam and is clamped and fixed through a bolt plate and a matched bolt, a first sliding mast, a second sliding mast and a vibration sensor are arranged on the first section of main beam and the second section of main beam respectively, and a control center is arranged at the tail end of the main beam. Steel cables penetrate through sliding wheels respectively arranged at the tops of the control lifting point and the first and second sliding masts; the right sides of the steel cables are connected to a driving wheel of a control center. The vibration sensor transmits the vibration condition of the pushing full-time-domain beam body to the control center, the signal processor controls the motor to drive the chain to control the driving wheel to rotate, the winding and unwinding function of the steel cable is achieved, therefore, the lifting falling function of a control lifting point is achieved, and meanwhile the set vibration threshold value can achieve the timely early warning function when an abnormal signal occurs. And the situation that the normal service state of the steel truss girder bridge is affected due to damage to the steel truss girder bridge nodes caused by alternating positive and negative bending moments in the incremental launching construction process is avoided. The control lifting points, the sliding masts and the control center can be installed in an assembly mode, multiple sets of sliding masts are selected according to different steel truss girder bridge scales, balanced stress is achieved, and it is guaranteed that stress is reasonable in the steel truss girder bridge pushing process. The structure is reasonable, the assembling degree is high, construction is convenient, the adaptability is high, and application and popularization can be achieved.
本发明公开了一种装配式钢桁梁桥顶推施工辅助加强装置，包括桥梁系统、振动传感器、控制中心、滑动桅杆、控制吊点，钢索和加固组件及信号传输、处理器。导梁、第一段主梁和第二段主梁装配连接进行顶推作业，控制吊点布置在导梁位置通过螺栓板和配套螺栓进行夹紧固定，在第一、第二段主梁分别布设第一、第二滑动桅杆以及振动传感器，在主梁末端布设控制中心，控制吊点和第一、第二滑动桅杆顶部分别布设的滑动轮穿有钢索，钢索右边连接于控制中心的主动轮。振动传感器对顶推全时域梁体振动情况传输至控制中心，信号处理器控制电动机驱动链条控制主动轮转动，实现对钢索的收放功能，由此实现对控制吊点的起吊落回功能，同时设置的振动阈值可实现出现异常信号是及时预警功能。避免了钢桁梁桥在顶推施工过程中受到正负弯矩交替对钢桁梁桥节点造成损伤，影响钢桁梁桥正常服役状态。本发明控制吊点和滑动桅杆及控制中心均可通过装配式安装，根据不同钢桁梁桥规模选用多套滑动桅杆，实现均衡受力，保证钢桁梁桥顶推过程内受力合理。其结构合理，装配程度高，施工方便，适应能力强，可以推广应用。
Auxiliary reinforcing device for incremental launching construction of fabricated steel truss girder bridge
一种装配式钢桁梁桥顶推施工辅助加强装置
WEI DONG (author) / DU WEI (author) / ZHAO CHENXI (author) / YANG GUOTAO (author) / SU LEI (author) / ZHANG PEIYU (author) / YAO FUXING (author)
2024-03-22
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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