| 摘要 |
This device is used for unloading in industry, building construction and agriculture. It ensures a reliable opening and closure of the lids of the transport machine. The device consists of a platform (1), to which a top (2) and bottom (3) lid are hinged jointly. The bottom edge of a hydraulic cylinder (7), to whose top edge is attached a slider (8), fixated between guides (9) and a support (10) is attached to the bottom lid, right next to its hinge (6). Affixed to the slider is an arm (11), to whose external edge is attached a stretching rope (12), the other edge of which is tied to the shackle of a hook (5), in whose rear edge is hinged a back spring (13), fixated to the platform.
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