预应力自动张拉系统
By using an automatic prestressing tensioning system, which combines hydraulic push rods and cleaning brushes, the problem of poor stability of existing trolleys during movement is solved, achieving both stability and cleanliness in bridge tensioning operations.
CN117926715BActive Publication Date: 2026-07-17CHINA RAILWAY 24TH BUREAU GROUP CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA RAILWAY 24TH BUREAU GROUP CO LTD
- Filing Date
- 2024-03-04
- Publication Date
- 2026-07-17
Smart Images
Figure CN117926715B_ABST
Abstract
本发明涉及桥梁施工技术领域，具体公开了预应力自动张拉系统，包括车体；车体底面固接有套管；套管内侧壁上滑动连接有推块；推块底端伸至套管底部，推块底端固接有位于套管底部的压板；车体上设置有第一液压推杆；第一液压推杆输出端贯穿车体伸至套管内与推块顶面固接；所车体上设置有可对桥梁的钢绞线进行自动张拉的张拉机构；在张拉机构进行张拉作业时，通过第一液压推杆带动推块下移，促使压板下移并压紧在地面上，对车体进行固定，降低车体在张拉过程中发生滑动的可能性。
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