61results about How to "Reduce abnormal wear and tear" patented technology

The invention discloses a diamond-like carbon composite molybdenum disulfide nano multilayer film and a method for preparing the same. A double-target magnetron sputtering technology is adopted to alternatively deposit diamond-like carbon layers and molybdenum disulfide layers on a stainless steel base, so that the diamond-like carbon composite molybdenum disulfide nano multilayer film is obtained, wherein the thickness of a single diamond-like carbon layer is between 10 and 100 nanometers, the thickness of a single molybdenum disulfide layer is between 10 and 100 nanometers, and the total thickness of the diamond-like carbon composite molybdenum disulfide nano multilayer film is between 1.5 and 6 micrometers. By the prepared nano multilayer film, the wearing life defect and the problems of friction coefficient environment sensitivity of the molybdenum disulfide layer are improved, moreover, the problems of large brittleness, poor toughness and the like of a hard diamond-like carbon film are solved, so that the wear rate of the nano multilayer film in high vacuum environments is reduced by 1-2 orders of magnitude compared with the wear rate of a conventional molybdenum disulfide or diamond-like carbon film, and the perfect matching of ultralow friction and high hardness and toughness is realized.

The invention discloses a system and a method for intelligently protecting a metering box. The system comprises a metering box intelligent monitoring module and a remote control master station. The metering box intelligent monitoring module is used for monitoring the running state data of a metering box, determining an abnormal event, encrypting the abnormal event and reporting the abnormal eventto the remote control master station. The metering box intelligent monitoring module comprises an electronic lock control unit, a camera acquisition unit, an RFID radio frequency tag reading unit, a DC magnetic field monitoring unit, a high-frequency magnetic field monitoring unit, a temperature and humidity monitoring unit, an incoming line current measuring unit, a security key control unit anda CPU control unit. The remote control master station is used for issuing a control command through the backstage or a mobile terminal to perform safety control on the metering box. Running state dataonline monitoring, remote control and abnormal event reporting in the running link of the metering box are realized in an all-round manner. Intelligent power use is fully supported. The risk of electricity stealing is reduced. The abnormal loss of lines is greatly reduced. The damage to field operation equipment is reduced.

The invention discloses an axle center self-regulation and vibration reduction bearing block and belongs to the technical field of mechanical parts. Annular grooves are formed in an axle hole of a fixed support seat and a bearing block is formed in the central axis of the axle hole; the bearing block has a spherical appearance, and a certain space is kept between the bearing block and the inner circular surface of the fixed support seat; and a gasket is arranged in the space and is formed by the following steps of: mixing 10 to 20 weight parts of teflon powder, 25 to 35 weight parts of glass fiber, and 50 to 60 weight parts of nylon, pelleting, heating, and directly pouring into the space between the axle hole of the fixed support seat and the outer spherical surface of the bearing block. The bearing block can compensate the coaxiality errors and other form and position errors between different bearings, reduce abnormal wearing of the bearing, prolongs the service life of transmission parts, reduce vibration of the transmission parts and overcome the defect that large noises are easy to produce due to vibration.

The invention discloses an automobile steering device which comprises a let steering pull rod, a right steering pull rod, a steering device shell body, a steering input shaft, a pinion, a left handspike, a right handspike and a cam, wherein, the center of the cam is provided with a ring gear whose center is rotatablely connected with the steering device shell body, and the periphery of the ring gear is provided with a left cam slot and a right cam slot. One end of the left handspike is provided with a left pin roll inserted in the left cam slot, and the other end of the handspike is hinged with the left steering pull rod; and one end of the right handspike is provided with a pin roll inserted in the right cam slot, and the other end of the handspike is hinged with the right steering pull rod. The invention makes use of a cam mechanism to cause rotation angles of the left steering wheel and the right steering wheel meet the Ackermann curve in real time, each wheel of the steering device carries out pure rolling movement when an automobile steers, and the abnormal abrasion is reduced when tyres steer, thus enhancing the life of the tyres greatly. The variable transmission ratio is realized, and the operation stability and the security are enhanced.

The invention relates to a full electric vehicle central reducer unit with motor side drive, which comprises an input gear shaft with an end part connected with a motor. The input gear shaft is supported on a reducer unit shell through an input bearing; shaft teeth on the input gear shaft are meshed with a middle shaft transmission gear; the middle shaft transmission gear is fixedly arranged on amiddle shaft; two ends of the middle shaft are supported on the reducer unit shell through cylindrical roller bearings; the middle shaft transmission gear is meshed with an output gear; the output gear is of a hollow spoke structure; an inner hole of the output gear is in interference fit to a convex seam allowance of a shell of a differential mechanism assembly; the output gear transmits a torquethrough a way that a plurality of bolts uniformly arranged on a radial plate are connected with the shell of the differential mechanism; half axle gears on two sides of the differential mechanism areconnected with output half axles; and the output half axles are connected with an output flange plate. The full electric vehicle central reducer unit with motor side drive provided by the invention adopts a two-stage fixed shaft for transmission so as to be high in transmission efficiency, and is compact in arrangement, smaller in size, and lower in processing and maintenance cost.

The invention relates to the technical field of test equipment and discloses an uninterruptible power supply door operator for refrigerator door test. The uninterruptible power supply door operator comprises a fixation connection device for fixing a test refrigerator, a door opening connection device for connecting a refrigerator door, a power device fixedly arranged on the fixation connection device and used for driving the door opening connection device, and an uninterruptible power supply module for providing power supply to the power device. The uninterruptible power supply door operator can prevent the case of power supply abnormity, provides steady and uninterrupted power supply, realizes fast matching of various types of refrigerators and well solves the problem of refrigerator dooropening and closing track matching, is convenient and fast to install, can realize automatic repeated opening and closing of upper and lower doors of the refrigerator, and is high in safety stabilitycoefficient, low in failure rate, not easy to damage the refrigerator, high in automation degree, simple in structure and low in cost.

The invention provides a preparation method of biomass fuel and a special device thereof, which solves the technical problems of the traditional biomass fuel preparation method that a drying machine wastes the resource, the production efficiency is low and the environment is polluted. The method comprises the steps: mixing timber and straws; crushing the raw materials into particles; sending the particles into a wood residue drying machine for removing hard impurities, and drying the particles; extruding the dried materials in an extruder to obtain biomass fuel, wherein the wood residue drying machine for removing the hard impurities is provided with a drying chamber, a feeding machine, a drying drum and a draught fan, one end of the drying drum is connected with the drying chamber, and the other end of the drying drum is connected with the drying machine; and the drying drum is provided with the feeding machine, a waste discharging hole is formed in the discharging end, a waste discharging pipe is arranged below the waste discharging hole, and a waste discharging bracket is arranged below the waste discharging pipe. The preparation method can be widely applied to the field of preparation of the biomass fuel.

The invention discloses a power equipment on-site real-time monitoring alarm device and control method. The device comprises a monitoring box and a measuring chip which is arranged in the monitoring box and used for measuring power consumption, a power plug connected with a power supply is arranged on a ventral surface of the monitoring box, an electric appliance jack connected with power equipment is formed in the upper portion of the back of the monitoring box, and an input panel for inputting power consumption alarm threshold values is arranged at the back of the monitoring box. A box coveris hinged onto the monitoring box, a visual alarm and a display screen for displaying power consumption information are arranged on the box cover, and an audible alarm is arranged on the side face ofthe monitoring box. The device overcomes the shortcomings of the prior art, abnormal power consumption conditions of various types of power equipment can be subjected to real-time monitoring, audibleand visual alarm and remote control.

The invention discloses an HC six-roller mill middle roller body end chamfer grinding method. The method comprises roller body end chamfer structural design and a roller body end chamfer grinding process. In the roller body end chamfer structural design, a roller body end chamfer is designed to be R (3000-5000mm)*(80-120mm), and the unilateral drop is 1-1.5mm; or the roller body end chamfer is designed to be (20-50 degrees)*(30-70mm)+R(800-1200mm)*(30-70mm). In the grinding method, by optimally designing the HC six-roller mill middle roller body end chamfer structure and developing the grinding process matched with the structure, the problem of stress concentration produced by extrusion of a high-hardness working roller on the edge of a low-hardness middle roller can be avoided, therefore,the invalidation problems such as end ring cracking and stripping caused by the fact that the middle roller bears contact fatigue stress in the using process are solved, and abnormal loss of the middle roller is reduced.

The invention discloses a vibrating-dewatering screen driving mechanism. Two same bearing pedestals are symmetrically and fixedly arranged at an edge opening at the upper part of a screen frame; an eccentric sleeve is fixedly arranged in an inner hole of each bearing pedestal through two bearings; an isolating sleeve is arranged between the two bearings on the outer circle of each eccentric sleeve; a transmission shaft is fixedly arranged in inner holes of the two eccentric sleeves through keys; a bearing pedestal gland is fixedly arranged at the port at each of two ends of each bearing pedestal; a tower-shaped rubber sleeve is fixed at the outer edge opening of each bearing gland through a ring-shaped press plate and a bolt; and a spring pull ring is sleeved on the outer circle of the small head of each tower-shaped rubber sleeve. By the vibrating-dewatering screen driving mechanism, the service life of the bearings and the overall service life of equipment can be prolonged; and furthermore, the vibrating-dewatering screen driving mechanism has the advantages of simple structure, relatively high manufacturing technique, relatively low manufacturing cost and long service life.

The invention discloses a miniature all-electric injection molding machine injection guide structure. The injection guide structure comprises an injection guide plate, sliding block bolts and gaskets, a guide rail sliding block, a guide rail, a guide rail base plate, an injection support, a tension and pressure sensor, an injection screw, a screw nut bearing, a motor belt wheel, an injection synchronous belt, an injection motor, a motor frame, a screw belt wheel, a screw bearing seat, a bearing seat flange, an injection rod base, an injection rod snap joint, an injection rod, a transition guide sleeve, a material pipe flange, a material pipe, an injection advance limiting device and an injection reverse limiting device. The injection guide plate is connected to the guide rail sliding block. The guide rail sliding block fits to the guide rail. The guide rail sliding block slides back and forth on the guide rail along the guide rail. The guide rail is fastened to the guide rail base plate. The guide rail base plate is fixed to the injection support. One end surface of the injection guide plate is connected to the injection rod base. The injection rod base is connected to the injection rod. The injection screw and the tension and pressure sensor are coaxially connected. The end surface and the excircle of the tension and pressure sensor are connected to the injection guide plate.

The invention relates to an intelligent control system for oil product transportation, and belongs to the technical field of data information control. The intelligent control system for oil product transportation comprises an oil depot, a filling station, an oil transportation vehicle, a cloud server, a display terminal and a network data management center. A GPRS vehicle-mounted console in the oil product transportation intelligent control system collects liquid level, temperature and inclination angle data once at certain time intervals, and transmits the data to a cloud server through GPRS;the control computer can compare the oil distribution quantity of the oil depot with the oil collection quantity of the gas station; a liquid level change curve graph can be generated according to the change of the liquid level instrument in the transportation process; the profit and loss conditions of the bicycle and the single station are automatically compared through big data analysis, auxiliary judgment is provided for managers, and safety risk assessment and early warning prompts are provided for transport vehicles and personnel, so that intelligent management of loss and overflow and safety of an oil product transport link is realized, and the purposes of improving vehicle operation efficiency, reducing abnormal loss and reducing safety risks are achieved.

The invention provides an adhesion process for a thin PLC wafer and a cover plate. The adhesion process comprises the steps that S1 the wafer is placed on the base of an adhesive jig; S2 UV glue including cyanoacrylate molecules is dispensed in the middle of the wafer through a syringe; S3 a quartz glass cover with a thickness of 1mm gently covers the wafer after step S2; S4 the upper cover of theadhesive jig presses the wafer after step S3, and the upper cover needs to be aligned with a positioning hole in the adhesive jig, and fixing bolts around the adhesive jig are tightened tightly; S5 standing and waiting for 15min are carried out; S6 after 15min, whether the glue under the cover spreads to the edge of the wafer and overflows is observed; S7 the upper cover is removed, and the waferis removed; and S8 the wafer is put into an exposure box and fully exposed for 15min, and the UV glue is cured. According to the invention, defective products can be effectively reduced; the production efficiency is improved; abnormal wear of a blade and the wafer can be reduced; and the amount of production consumables is reduced.

The invention relates to a speed reducer used for a cooling tower. The speed reducer used for the cooling tower comprises a box body, a base and a transmission main shaft, wherein the base is flange-shaped and is connected with the box body detachably; the top of the base serves as an upper bearing seat; a ball bearing is arranged in the upper bearing seat; the upper bearing seat is fixed by an upper end cover; the bottom of the base serves as a lower bearing seat; a lower bearing is arranged in the lower bearing seat; the lower bearing seat is fixed by a lower end cover; the transmission main shaft is installed and positioned in the box body of the speed reducer through the upper ball bearing and the lower bearing; and the upper end and the lower end of the transmission main shaft penetrate out of the box body, wherein the lower end of the transmission main shaft is connected with a V-belt pulley and the upper end of the transmission main shaft is connected with a fan hub. In the speed reducer used for the cooling tower, the box body, the upper bearing seat and the lower bearing seat are in an integrated casting structure, and the upper bearing seat and the lower bearing seat have very good coaxiality, so that the installation and the self-centering of the upper bearing and the lower bearing are facilitated; therefore, the accuracy of the center position of the main shaft of the speed reducer is ensured; vibration and abnormal abrasion caused by the eccentricity of the main shaft are reduced; and the safe and stable operation of the speed reducer is ensured.

The invention discloses a linear pneumatic drive device for an overturning platform. The linear pneumatic drive device comprises a rocking arm and a horizontal double-sliding-rod linear guide rail, asleeve is arranged at the lower end of the rocking arm and used for connecting with a hinge shaft flat key of the overturning platform, a central axis direction of the sleeve is perpendicular to thatof the rocking arm, a slider mechanism is slidably connected on the double-sliding-rod linear guide rail, a cylinder is fixed with one end of the double-sliding-rod linear guide rail, a piston rod ofthe cylinder is arranged along the sliding direction of the slider mechanism and fixedly connected with the slider mechanism, a cylinder body cannot vertically and frequently swing in the overturningprocess of the overturning platform and the extending and contracting process of the piston rod, abnormal abrasion of a sealing ring of the piston rod is reduced, and the service life of the cylinderis prolonged. Use shows that overall running is more stable, the stroke of the cylinder can be controlled, and positioning is more accurate.

The invention discloses a novel transmission mechanism of a cutting machine tool. The novel transmission mechanism is characterized in that a transmission sprocket is concentrically mounted on a transmission sprocket shaft, the tail of a transmission crankshaft is concentrically mounted on a rotary transmission shaft, and the transmission sprocket shaft is connected with the rotary transmission shaft by a magnetic steel elastic shaft. The novel transmission mechanism in the structural mode is provided with the rotary transmission shaft, the magnetic steel elastic shaft is additionally arranged on the rotary transmission shaft, two transmission mechanisms are mutually compensatory, and accordingly the integral novel transmission mechanism has the advantages of simple structure, little abnormal abrasion, good service effect and long service life.

The invention discloses a high-temperature and high-pressure kettle transition vehicle for laminated glass. The high-temperature and high-pressure kettle transition vehicle comprises a vehicle chassis. The four corners of the bottom of the chassis are each provided with a side supporting frame. The side supporting frames are connected with transverse supporting beams and longitudinal supporting beams. Bearing pedestals are arranged at the lower portions of the transverse supporting beams and located on the side supporting frames. Each bearing pedestal is provided with a connection shaft matched with the inner ring of a bearing, the two ends of the connection shafts are matched with inner holes of the bearings, mobile wheels capable of rotating along with the connection shafts are arranged at the two ends, close to the corresponding side supporting frames, of the connection shafts, the mobile wheels are matched with guide rails laid on the horizontal plane, a power transmission structure is arranged on the portion, on one side of each transverse supporting beam, of the chassis, and the power transmission structures drive the connection shafts and the mobile wheels to rotate and drive the transition vehicle to move along the guide rails. A speed reducer is used for driving a gear to operate, a front gear and a rear gear can move on the guide rails front and back, the vehicle can be operated by a single person, time and labor are saved, convenience, safety and high efficiency are achieved, working efficiency is improved greatly, and the high-temperature and high-pressure kettle transition vehicle can be used by multiple high-pressure kettles.