33results about How to "Reduced assembly weight" patented technology

The invention relates to a production method of a car engine compartment cover assembly. An engine compartment cover inner plate finished product can be obtained through the steps such as measuring and cutting of sheet stock, pavement of raw materials, hot pressing forming, mold stripping of a semifinished product, cooling stereotyping and blank processing, and an engine compartment cover outer plate finished product is obtained through the steps such as measuring and cutting of sheet stock, pavement of raw materials, hot pressing forming, mold stripping of a semifinished product, cooling stereotyping and blank processing; and a car engine compartment cover assembly finished product is obtained by assembling and splicing the engine compartment cover inner plate and outer plate. The engine compartment cover assembly produced through the method has the advantages that performance indexes such as sound insulation, environmental protection and miniaturization can meet the requirement that no accumulation of semifinished products in the entire production process, and the manufacturing cost is saved; and the entire production process of the product is free from producing harmful substances.

The invention discloses a window regulator with an adjustable buffering block. A motor support of a motor is connected with an installing plate, a reel is installed on one side of the installing platethrough a reel rotating shaft, a guide rail support is arranged on one side of the motor support, a regulator upper fixing screw is arranged on the upper portion of the guide rail support, a regulator lower fixing screw is arranged on the lower portion of the guide rail support, a guide rail is arranged on the guide rail support, an upper guiding wheel is installed on one side of the upper end ofthe guide rail support, a lower guiding wheel is installed on one side of the lower end of the guide rail support, a sliding block is arranged on the guide rail on the guide rail support, a bottom dead center fixing support is arranged on one side of the lower guiding wheel, the bottom end of the adjustable buffering block is inserted into a fixing rack of the bottom dead center fixing support and fixed through a locking nut and an adjusting nut, the sliding block moves to the lower portion and then presses the adjustable buffering block, and an upper steel wire rope and a lower steel wire rope are wound around the reel separately and penetrate through the upper guiding wheel and the lower guiding wheel respectively to be connected with the sliding block. The problem is solved that a buffering block is easily abraded; the adjustable buffering block can effectively compensate for the abrasion of the buffering block.

The invention discloses a single cylinder synchronous expansion and contraction device with multiple sets of inhaul cables for a lorry-mounted crane. The device comprises a basic arm and a plurality of telescopic arms which are overlapped and sleeved in the basic arm; a telescopic oil cylinder of which the head is fixed on the tail of the basic arm and the barrel is fixed on a first section of the tail of the telescopic arm is arranged in each of the plurality of telescopic arms; the arm body of each telescopic arm is provided with a pulley, a telescopic arm cable, and a fixed plate; a rope row is arranged in each telescopic oil cylinder; and synchronous extending or contraction of multiple sections of the telescopic arms can be realized by the connection relationship of the parts, and the operation characteristics that the conventional arm can be only extended and contracted sequentially are changed to ensure that the multiple sections of the telescopic arm bodies are extended and contracted synchronously along with the extension and contraction of the inbuilt telescopic cylinders, so that the extension and contraction speed of the arm bodies and the efficiency of the lifting operation are improved greatly. The single cylinder synchronous expansion and contraction device with the multiple sets of inhaul cables for the lorry-mounted crane has a compact structure, the mode of winding steel wire ropes is skilful, the space in the arm body is fully utilized, and the problems that the conventional five-section telescopic arm expansion and contraction system for the lorry-mounted crane is implemented by arranging two inbuilt telescopic oil cylinders are solved.

The invention discloses a two-planetary gear mechanism. The two-planetary gear mechanism comprises an outer gear disc, the outer gear disc is respectively meshed with two first planetary gears, the outer gear disc is respectively rotatably connected with the two first planetary gears, the two first planetary gears are respectively rotatably connected with two first fixed shafts, the first fixed shafts are fixedly connected with the inner side walls of limiting discs, and the inner side walls of the limiting discs are fixedly connected with second fixed shafts, the second fixed shafts are meshed with second planetary gears, and the second fixed shafts are rotatably connected with the second planetary gears; the second planetary gears are rotatably connected with second sun gears, the secondsun gears are meshed with the second planetary gears, the second sun gears are fixedly connected with first vertical cylinders, and the limiting discs are fixedly connected with second vertical cylinders. The two-planetary gear mechanism provided by the invention has the beneficial effects of reducing the weight of parts, and the manufacturing cost.