3results about How to "Small starting torque" patented technology

A wind turbine blade made of basalt carbon fiber composite variable density material combination, including at least one blade unit assembled along the length direction of the blade, the density gradient increases from the blade tip to the blade root through the gradient distribution of material density and / or the gradient distribution of hollow structure, and adjacent blade units are detachably connected through non-threaded connection structure. The modular design of the blade solves the problem of land transportation of oversized blades, and the non-threaded connection (hand disassembly) improves the efficiency of on-site installation and eliminates the risk of thread loosening. Lightweight blade tip reduces starting torque, facilitates handling and assembly, and improves wind speed and power generation efficiency.

This application relates to the field of grinding equipment technology and discloses a grinding device for preparing graphene-modified polyolefin composite film materials. The device includes a drive shaft with multiple sets of stirring units connected end-to-end within it. Each stirring unit includes a rotating drum, and spiral stirring blades are fixedly connected to the outer wall of the drum. The multiple sets of spiral stirring blades can be connected end-to-end to form a propeller. During startup, the starting gear and the maintaining gear move axially and mesh with the driven gears one by one, driving the stirring units to rotate sequentially. This invention provides a grinding device for preparing graphene-modified polyolefin composite film materials. When using this vertical stirring mill, excessively worn stirring units can be replaced individually, reducing replacement costs. Alternatively, the order of the stirring units can be adjusted periodically to extend their service life and reduce operating costs. During startup, the stirring units are driven sequentially, significantly reducing the starting torque.

The utility model discloses a kind of turnout roller devices, belong to railway turnout roller device technical field, it includes base, respectively install on base inner side roller body and outer side roller body, inner side roller body and outer side roller body are all transversely arranged, make the top busbar of inner side roller body and outer side roller body jointly constitute the support surface for supporting point rail;Outer side roller body is concentric structure, top busbar height is constant in rotation process;Inner side roller body is eccentric structure, make the top busbar height of inner side roller body in rotation process change with rotation angle, and highest point is higher than the top busbar of outer side roller body, lowest point is lower than the top busbar of outer side roller body.The present application can solve the technical problem that point rail needs to overcome greater resistance in the process of repulsion, lead to switch machine traction, higher energy consumption.