Highway bridge expansion device sealing protection structure: Fid-Bau Portal

Highway bridge expansion device sealing protection structure

LIU XIANMING

The invention discloses a highway bridge expansion device sealing protection structure which comprises a first tooth type bridge expansion joint device, and the outer walls of two first springs are in clearance fit with an inner cavity of the first tooth type bridge expansion joint device and an inner cavity of a second tooth type bridge expansion joint device correspondingly. And one ends of the two first springs are fixedly connected to the outer walls of the two first plate bodies correspondingly, and the other ends of the two first springs are fixedly connected to inner cavities of the first tooth type bridge expansion joint device and the second tooth type bridge expansion joint device correspondingly. According to the sealing protection structure of the highway bridge expansion device, the first transverse rod is in clearance fit with inner cavities of the first comb tooth type bridge expansion joint device and the second comb tooth type bridge expansion joint device, and then the elastic coefficient of the second spring can be changed; therefore, the attaching force of the first tooth-type bridge expansion joint device and the second tooth-type bridge expansion joint device can be adjusted according to actual working requirements.

本发明公开一种公路桥梁伸缩装置密封防护结构，包括第一齿式桥梁伸缩缝装置，两个所述第一弹簧的外壁分别与第一齿式桥梁伸缩缝装置和第二齿式桥梁伸缩缝装置的内腔间隙配合，两个所述第一弹簧的一端分别固接于两个第一板体的外壁，两个所述第一弹簧的另一端分别固接于第一齿式桥梁伸缩缝装置和第二齿式桥梁伸缩缝装置的内腔。该公路桥梁伸缩装置密封防护结构，使得通过第一横杆与第一梳齿式桥梁伸缩缝装置和第二梳齿式桥梁伸缩缝装置的内腔间隙配合，进而可改变第二弹簧的弹性系数，使得第一齿式桥梁伸缩缝装置和第二齿式桥梁伸缩缝装置进行贴合的力，可根据实际工作需求进行调节。

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