公司名称：衡水炜荣橡胶工程有限公司

GQF-MZL型桥梁伸缩装置的承重结构和位移控制系统分开，二者受力时互不干扰，分工明确，这样既保证受力时安全，又能达到位移均匀，使所有中梁在一个位移控制箱内均支承在同一根垂直横梁上的传统作法，这样对大位移量伸缩装置非常有利，减少了横梁数量，使位移控制箱体积减小到*小范围，节约了钢材。该结构还克服了斜向支承式伸缩装置要求加工和组装精度相当高的苛刻条件，否则四连杆结构极易出现自锁现象，影响伸缩自由和不易保证位移均匀的弊病。
An overview of bridge expansion joints:
In order to meet the requirements of bridge deformation, usually on the hinged position between the ends of two beams, beam end and the abutment, or between the bridge set expansion joints. Requirements of telescopic seam in both parallel and perpendicular to the two directions of bridge axis can freely telescopic, firm and reliable, vehicle out of date should be smooth, no sudden jump and noise; to prevent blockage of the rainwater and garbage soil infiltration; installation, inspection, maintenance and remove the dirt to simple party will. In the setting of expansion joints, railings and bridge deck pavement should be disconnected.