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实用新型
CN202255395U 弹簧支撑滑杆式隧道无尺量测测点保护装置 失效 - 权利终止

弹簧支撑滑杆式隧道无尺量测测点保护装置
摘要：
本实用新型是一种弹簧支撑滑杆式隧道无尺量测测点保护装置，包括盒体、盒盖、反射膜片、固定螺母和测量拉杆，盒体与盒盖的一侧边通过合页连接，在盒体的底面设固定螺母，在盒体内表面的中间位置贴覆反射膜片，特征是所述盒体和盒盖内设有由弹簧支座、弹簧、支架支座、支架、滑杆支座、滑杆组成的滑杆组件，弹簧的一端与设在盒体内的弹簧支座连接，另一端与支架中部的小孔连接，支架底端与盒体内的支架支座铰接，支架顶端钻有一孔，套装在盒盖的滑杆上，滑杆两端均固定在滑杆支座上。
摘要（英）：

The utility model discloses a sliding rod type scale-free tunnel measuring point protector supported by springs, which comprises a box, a box cover, a reflecting diaphragm, a fixing nut and a measuring drawbar. The box is connected with a lateral edge of the box cover by hinges, the fixing nut is disposed on the bottom surface of the box, and the reflecting diaphragm is adhered in the middle of the inner surface of the box. The sliding rod type scale-free tunnel measuring point protector is characterized in that a sliding rod component consisting of spring supports, the springs, supporting frame supports, supporting frames, sliding rod supports and sliding rods is disposed in the box and the box cover, one end of each spring is connected with the corresponding spring support disposed in the box while the other end of the spring is connected with a small hole in the middle of the corresponding supporting frame, the bottom end of each supporting frame is hinged with the corresponding supporting frame support in the box, a hole is drilled at the top end of each supporting frame, the supporting frame is sleeved on the corresponding sliding rod of the box cover, and both ends of each sliding rod are fixed onto the corresponding sliding rod support.

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