Positioning device and telescopic support
The invention belongs to the technical field of photogrammetric accessories, and particularly relates to a positioning device and a telescopic support. The positioning device comprises a fixing structure connected with the insertion end of a positioning pipe, a rotating structure and a locking struc...
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| creator | WANG ZHIYUAN YU DINGGUAN ZHANG JUNMAO ZHU YINGHUI |
| description | The invention belongs to the technical field of photogrammetric accessories, and particularly relates to a positioning device and a telescopic support. The positioning device comprises a fixing structure connected with the insertion end of a positioning pipe, a rotating structure and a locking structure. The rotating structure comprises a rotating cylinder rotatably connected with the fixing structure and a lifting column slidably connected to the side surface of the rotating cylinder, and the rotating cylinder rotates by a preset radian under the action of external torque so as to drive the lifting column to move in the axial direction of the rotating cylinder. The locking structure comprises a connecting rod mechanism and a lever mechanism rotatably connected with the fixing structure, one end of the lever mechanism is connected with the connecting rod mechanism, the other end of the lever mechanism and the inner wall of the outer sleeve are arranged in a clearance mode, and the connecting rod mechanism is |
| format | Patent |
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The positioning device comprises a fixing structure connected with the insertion end of a positioning pipe, a rotating structure and a locking structure. The rotating structure comprises a rotating cylinder rotatably connected with the fixing structure and a lifting column slidably connected to the side surface of the rotating cylinder, and the rotating cylinder rotates by a preset radian under the action of external torque so as to drive the lifting column to move in the axial direction of the rotating cylinder. 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| language | chi ; eng |
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| subjects | BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | Positioning device and telescopic support |
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