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发明公开
CN102390446A 可伸缩式履带底盘及具有该底盘的工程机械 无效 - 撤回

可伸缩式履带底盘及具有该底盘的工程机械
摘要：
一种可伸缩式履带底盘及具有该底盘的工程机械，包括左履带架、右履带架、底座、至少一左伸缩油缸和右伸缩油缸，所述左伸缩油缸安装在底座与左履带架之间，所述右伸缩油缸安装在底座与右履带架之间，其特征在于：还包括至少一中空的左滑动横梁、至少一右滑动横梁，所述中空的左滑动横梁的一端与左履带架固定联结、右滑动横梁的一端与右履带架固定联结，所述底座上设有至少一中空滑座，所述中空的左滑动横梁的另一端从中空滑座的左端可移动地插入中空滑座之中，所述右滑动横梁的另一端从中空滑座的右端可移动地插入中空滑座和中空的左滑动横梁的中空部。可使工程机械的状态改变或转换更方便，整机行走和作业稳定性更高、更安全可靠。
摘要（英）：

The invention provides a retractable type belt chassis and an engineering machine provided with the same. The retractable type belt chassis comprises a left belt frame, a right belt frame, a base, at least one left retractable oil cylinder and one right retractable oil cylinder; the left retractable oil cylinder is installed between the base and the left belt frame; the right retractable oil cylinder is installed between the base and the right belt frame; the retractable type belt chassis is characterized by further comprising at least one hollow left slide cross beam and at least one right side cross beam; one end of the hollow left slide cross beam is fixedly jointed with a left belt frame and one end of the right slide cross beam is fixedly jointed with a right belt frame; the base is provided with at least one hollow slide seat and the other end of the hollow left slide cross beam is movably inserted into the hollow slide seat from the left end of the hollow slide seat; and the other end of the right slide cross beam is movably inserted into the hollow slide seat and the hollow part of the hollow left slide cross beam from the right end of the hollow slide seat. With the adoption of the retractable type belt chassis provided by the invention, the states of the engineering machine are convenient to change or switch, so that the walking and working stability of the whole machine is higher, safer and more reliable.

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