| 摘要 |
PURPOSE: An automatic necklace frame for a cow house is provided to prevent making noise from the operation of a turning bar and raise better qualified cows. CONSTITUTION: An automatic necklace frame for a cow house comprises several fixed frames (20) which are arranged from the same distance on a lower horizontal bar (10), a supporting sphere (30) with a horizontal guiding sphere (31) on the fixed frame, an upper horizontal bar (40) which is connected with a connecting bar (41) on the supporting sphere, a gap controlling bar (50) which comprises a guide part (51) which is equipped on the fixed frame in a detachable way and inserted to the horizontal guide sphere, a pair of moving preventing hinge (60) with several bolt balls (61) which a fixed bolt (B) is fixed, a turning bar (70) with a fixed part (71) equipped in a bar (S1), a stopper (80) which prevents the moving of the turning bar, a controlling bar with a grip (92) which is connected in a turning way through several connecting hinges (91) and a triangle latching bolt (100) which supports the turning bar and fixed in a turning way through the clamp and the axis of the controlling bar. |
