34results about How to "Strong structural support" patented technology

The invention relates to a diesel engine high-pressure common rail system which is applicable to V-type diesel engines and provides support for improving diesel engines from the national II standard to the national III standard. The diesel engine high-pressure common rail system structurally comprises a mechanical system and an electric control system. The mechanical system comprises a fuel tank, a high pressure common rail fuel injection pump, a high pressure common rail pipe and fuel injectors. The high pressure common rail pipe comprises a first common rail pipe body and a second common rail pipe body, and main fuel paths of the first common rail pipe body and the second common rail pipe body are connected in series through a common rail fuel pipe. The multiple fuel injectors are arranged and are connected with the main fuel path of the first common rail pipe body or the main fuel path of the second common rail pipe body through second high pressure fuel pipes. The electric control system comprises an electric control unit, sensors and actuators. The electric control unit comprises two ECUs. The diesel engine high-pressure common rail system has the technical advantages that within the service life, the effect that the fuel delivery quantity is doubled and redoubled compared with that of a dual-plunger common rail fuel injection pump can be guaranteed under any working condition, the output fuel quantity of a fuel delivery pump, the flow of a fuel metering valve and the output fuel quantity of a high pressure pump are increased substantially, the maximum common rail pressure can reach 2000 bar, and the continuous working pressure can be kept at 1600 bar.

The invention discloses a polishing device for a hollow cup motor rotor. The polishing device has the technical advantages of simple structure, convenience in maintenance and high operation efficiency. The structure of the polishing device comprises an automatic feeding device and an automatic polishing device, wherein the automatic feeding device comprises a rail slot, a conveyer belt, a material level positioning device and a material stirring device; the material stirring device comprises a material stirring plate and a material plate driving device; the material stirring plate is equipped with a plurality of stirring forks; the material plate driving device is used for driving the material stirring plate to traverse on a plane as high as the plane of the rail slot; the automatic polishing device comprises a material rotation driving device, a polishing belt feeding device and a polishing executing device for driving the polishing belt feeding device to advance and retreat; the polishing belt feeding device comprises a base plate and a polishing belt; the base plate is equipped with a station slot; the polishing belt is arranged above the station slot. The polishing device provided by the invention can automatically polish the hollow cup motor rotor located in an automatic production line of the hollow cup motor rotor.

The invention discloses a hollow cup motor rotor baking device with a simple structure and automatic baking. After the baking is completed, a hollow cup motor rotor is automatically transported to a next operation position rapidly. The structure of the hollow cup motor rotor baking device comprises a hollow cup motor rotor conveyor and a heat shield buckled to the hollow cup motor rotor conveyor, the hollow cup motor rotor conveyor comprises a baking conveying section and a feeding conveying section, and the conveying speed of the baking conveying section is lower than that of the feeding conveying section. The heat shield is internally provided with a baking heating device, and the size of the heat shield is adapted to the shape of the baking conveying section. Two ends of the heat shield which are perpendicular to the conveying direction of the hollow cup motor rotor conveyor are provided with a material inlet and a material outlet. According to the device, the baking of the hollow cup motor rotor which is subjected to dispensing can be automatically completed.

The invention discloses an optical fiber filtering device which has functions of actively filtering light noises and uniformly and effectively heating internal disc winding parts. The optical fiber filtering device structurally comprises an optical fiber wire, an optical fiber box, a heating sheet, heat insulation cotton and a heat-conducting silicon gel sheet, wherein the optical fiber box is internally provided with an external disc winding part and an internal disc winding part; the external disc winding part is provided with a storage space for storing the 100m-150m optical fiber wire in a winding manner; after the optical fiber wire is wound for 100m-150m through the external disc winding part, the optical fiber wire enters the internal disc winding part; the internal disc winding part covers the heat insulation cotton; the heat-conducting silicon gel sheet is attached on an inner wall of the heat insulation cotton; the heating sheet is laid between the heat insulation cotton and the heat-conducting silicon gel sheet; after the optical fiber wire is wound in the internal disc winding part, the optical fiber wire is led out of the optical fiber box; and in a winding process, a wire disc formed by the optical fiber wire is in contact with the heat-conducting silicon gel sheet and is uniformly distributed relative to the heat-conducting silicon gel sheet. The optical fiber filtering device has the technical advantages that the heat preservation performance is good after heating, and light pulse with signal interference, caused by the fact that a laser device is started and stopped, can be effectively shielded.

The invention discloses a rigidity-controllable positive stress electromagnetic vibration platform and a control method. The positive stress electromagnetic vibration platform is characterized by comprising a vibration platform, a base, and a cantilever beam support structure for connecting the vibration platform with the base. The positive stress electromagnetic vibration platform further comprises positive stress electromagnetic actuators fixed between the platform and the base; a cross mass block, an actuation rod, a combination spring and a pretightening device are connected to the positive stress electromagnetic actuators in sequence; the positive stress electromagnetic actuators are symmetrically arranged around the cross mass block; and a guide sleeve is mounted at the lower end ofthe vibration platform, so that the actuation rod moves in the vertical direction along the guide sleeve. The positive stress electromagnetic vibration platform uses a capacitance displacement sensorfor monitoring vibration platform displacement signals, and uses the positive stress electromagnetic actuators for generating electromagnetic positive stress directly proportional to the vibration displacement for serial compensation of elastic force of springs to realize control of the elastic force and rigidity control of a vibration system; and the positive stress electromagnetic vibration platform is compact in structure, wide in frequency band range, convenient to install and simple in operation.

The invention discloses an air curtain device, an air curtain operating table and an air curtain disinfection cabinet, which have the advantages of simple and compact structure, good area isolation effect, matching appearance with the use environment, and low manufacturing cost. Among them, the air curtain device includes: several fans and strip-shaped air ducts; the lower ends of the strip-shaped air ducts are evenly distributed with air outlets; several fans are fixed in the strip-shaped air ducts in the form of uniform distribution, and two adjacent fans There are air supply areas overlapping with each other; the air curtain operating table includes a table, and the air curtain device as before is fixed on the table; the air curtain disinfection cabinet includes a cabinet body, and the air curtain device as before is fixed on the cabinet . The present invention provides a strong structural support for miniaturizing the air curtain device in the prior art by providing an air curtain device, so as to further form a stable air curtain isolation airflow in a small area.