Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses an expansion and contraction joint for a bridge. The expansion and contraction joint comprises a force transfer device, a hydraulic cylinder and a connecting device, wherein the connecting device is positioned on the hydraulic cylinder, the force transfer device is positioned on the connecting device and adopts a force transfer block body (1), the cross section shape of the force transfer block body (1) is a reverse right-angle trapezoidal shape, the force transfer block body (1) is of a hexahedron structure, and comprises a located plane of a right-angle waist, a located plane of an inclined edge, an upper bottom surface, a lower bottom surface, a front surface and a back surface, the located plane of the inclined edge is a work surface, the connecting device adopts a pad block (2), the hydraulic cylinder comprises a hydraulic container (3) and a piston (4), the hydraulic container (3) is a container with an opening at the upper part, the piston (4) is arranged at the opening part of the hydraulic container (3), and the inside of a cavity defined by the hydraulic container (3) and the piston (4) is filled with pressure bearing liquid. The expansion and contraction joint has the advantages that the manufacturing is simple and convenient, the structure is firm and reliable, and the safety is high.
The invention discloses an expansion and contraction joint for a bridge. The expansion and contraction joint comprises a force transfer device, a hydraulic cylinder and a connecting device, wherein the connecting device is positioned on the hydraulic cylinder, the force transfer device is positioned on the connecting device and adopts a force transfer block body (1), the cross section shape of the force transfer block body (1) is a reverse right-angle trapezoidal shape, the force transfer block body (1) is of a hexahedron structure, and comprises a located plane of a right-angle waist, a located plane of an inclined edge, an upper bottom surface, a lower bottom surface, a front surface and a back surface, the located plane of the inclined edge is a work surface, the connecting device adopts a pad block (2), the hydraulic cylinder comprises a hydraulic container (3) and a piston (4), the hydraulic container (3) is a container with an opening at the upper part, the piston (4) is arranged at the opening part of the hydraulic container (3), and the inside of a cavity defined by the hydraulic container (3) and the piston (4) is filled with pressure bearing liquid. The expansion and contraction joint has the advantages that the manufacturing is simple and convenient, the structure is firm and reliable, and the safety is high.
| Europäisches Patentamt | 2015