6results about How to "Reduce drive load" patented technology

This disclosure provides a dust collection device and cleaning equipment, belonging to the field of cleaning equipment. The dust collection device includes a dust cup, a cyclone separator, a shielding member, and a drive motor. The cyclone separator is disposed within the dust cup and has a dust discharge side and a clean air discharge side arranged opposite each other along the axial direction of the cyclone separator. The cyclone separator includes multiple cyclone cones, each of which has an exhaust passage communicating with its interior and facing the clean air discharge side. The shielding member is rotatably disposed on the clean air discharge side of the cyclone separator and configured to selectively close at least a portion of the exhaust passage during rotation. The drive motor is disposed on the dust discharge side of the cyclone separator and is drively connected to the shielding member to drive the shielding member to rotate. The dust collection device and cleaning equipment provided by this disclosure can balance separation performance, flow capacity, structural compactness, and switching reliability.

The utility model discloses a double-cylinder and double-motor inflating device, and belongs to the field of inflating devices. The double-cylinder double-motor inflation device comprises a first inflation pump, a second inflation pump and an offset type air outlet piece. The first inflator pump and the second inflator pump are arranged side by side; the offset air outlet piece is communicated with the first inflator pump and the second inflator pump, and an air outlet is formed in the offset air outlet piece and is adjacent to the first inflator pump. According to the double-cylinder and double-motor inflating device, the driving load of a single inflating pump is reduced, and the temperature rise is reduced to prolong the service life; the flow path of the first inflator pump is shortened, the flow path of the second inflator pump is prolonged, airflow interference is reduced through the spatial asymmetric flow path design, the flow balance problem when the double air pumps are connected in parallel is solved, and meanwhile the compact layout is maintained.

A photovoltaic tracking system with special cross section and eccentricity overcoming device, the main beam cross section is a rounded square tubular structure; the eccentricity overcoming device is installed between the common column and the main beam of the photovoltaic tracking system, and comprises a mechanism support, a mechanism body and a mechanism fixing seat which cooperate with each other; the mechanism support is fixed on the main beam, and the mechanism fixing seat is fixed below the common column of the photovoltaic tracking system; the mechanism body comprises a hydraulic cylinder and a cylinder barrel which cooperate with each other, the upper end of the cylinder barrel is hinged on the mechanism support and moves under the drive of the mechanism support on the main beam, the tail end of the hydraulic cylinder is hinged on the mechanism fixing seat and forms relative movement with the cylinder barrel, the limiting structure of the cylinder barrel and the two springs act on the springs respectively to compress the springs and generate a thrust on the mechanism support to overcome the gravity eccentricity of the rotation of the photovoltaic tracking system, the torsional performance of the main beam is improved and the torsional deflection is reduced, the damping effect is achieved, and the rotation eccentricity of the photovoltaic tracking is overcome.

The utility model discloses a photovoltaic tracking support and a solar panel assembly. The photovoltaic tracking support and the solar panel assembly comprise a fixed support, a bearing support, an eccentric reducer, a main beam body and a bent pipe connecting piece. The eccentric speed reducer is arranged at the end part of the fixed bracket; one end of the main beam body is connected with the output end of the eccentric reducer, and the other end is rotationally connected with the bearing bracket through the elbow connecting piece; the elbow connecting piece comprises a first connecting sleeve and a second connecting sleeve which are connected with each other and are arranged in parallel; the first connecting sleeve is rotationally installed on the bearing support, and the second connecting sleeve is fixedly connected with the other end of the main beam body. The vertical distance between the axis of the first connecting sleeve and the axis of the second connecting sleeve is the same as the eccentric radius of the eccentric speed reducer. Through the arrangement, under the condition that the output power of the eccentric speed reducer is a certain value, the speed of returning the photovoltaic support from an inclined state to a horizontal state can be effectively improved, and the protection effect on a solar cell panel is further improved.

The invention relates to the technical field of vacuum acquisition, and provides a rotor for a dry vacuum pump, a forming method and a vacuum pump, the rotor for the dry vacuum pump comprises: a body, a through hole being formed in the rotation center of the body; the convex part and the body are integrally arranged, and the convex part is arranged on the periphery of the body and extends towards one side far away from the through hole; wherein a first cavity is formed in the body, and the first cavity is arranged around at least part of the circumferential area of the through hole. According to the invention, the first cavity at least partially surrounding the central through hole is arranged in the rotor body, so that high-efficiency light weight and low rotation inertia are realized, and the driving load is obviously reduced; meanwhile, the closed cavity structure avoids deposition of particulate matters or by-products in the process gas, and the dynamic balance stability of the rotor during high-speed operation is effectively maintained.

This utility model relates to the field of lifting bed technology, specifically to an integrated modular intelligent lifting bed, including a bed frame, a fixed support beam, a bed board support beam, and a drive device. The two ends of the drive device are fixed to the fixed support beam via a back connecting beam and a leg connecting beam. The two ends of the drive device are also rotatably connected to a back rotating device and a leg rotating device. Several bed boards are connected to the upper ends of the drive device, leg rotating device, and back rotating device. A controller is also included. This application features a modular design with strong compatibility. The drive device is connected to the fixed support beam of the bed frame via the back connecting beam and leg connecting beam, and the lumbar bed board is fixed to the drive device. The remaining bed boards are hinged to each other, achieving modular separation of the drive system and the bed frame structure. Users can adapt the mounting base according to the existing bed frame size, completing the intelligent upgrade without replacing the entire bed, reducing usage costs and expanding the scope of application.