106results about How to "Large radial force" patented technology

The invention relates to a self-aligning spherical plain water lubricated tail bearing for ships. The tail bearing is provided with two rubbing pairs, wherein an inner ring (9) and an outer ring (4) are a rubbing pair in spherical contact and are lubricated by grease; the inner ring (9) is provided with linings (7) and is fixedly connected with the linings; the linings (7) and a tail shaft (8) are a rubbing pair and are lubricated by water; and when the tail shaft (8) runs in the linings (7), the inner ring (9) automatically regulates the axis of the bearing along with the shift of the tail shaft (8) to ensure the requirement for coaxiality of the tail shaft (8) and the tail bearing and uniform distribution of pressure on the linings (7). The invention has the function of regulating the coaxiality of the tail bearing and the tail shaft automatically, enables the bearing to endure greater radial force, has simple structure, can avoid edge effect effectively, enables the pressure peak value to descend, and can lead overall distribution of the pressure to tend to be uniform.

The invention discloses a rotation angle measuring device and engineering machinery. The rotation angle measuring device comprises a substrate, a connection shaft, an elastic connection piece, a rotary encoder, a transmission shaft and an inner gear ring, wherein the rotary encoder is arranged on the substrate, and an input shaft of the rotary encoder is connected with the transmission shaft; the lower part of the transmission shaft is fixedly provided with an outer gear, and the outer gear is engaged with the inner gear ring on a chassis; the connection shaft is fixedly arranged on an upper car body, and the substrate is connected to the connection shaft in a swinging way; and a first end of the elastic connection piece is connected to the substrate, a second end is connected to the upper car body, and the substrate and the transmission shaft are pulled towards the outer part of the inner gear ring, so that the outer gear on the bottom of the transmission shaft is maintained engaged with the inner gear ring. Due to the adoption of the rotation angle measuring device, while the rotation angle of the upper car body is precisely measured, the flexibility in connection of the encoder and the chassis is realized, parts of the rotation angle measuring device can be prevented from suffering large radial force, and the connection piece between the rotary encoder and the upper car body can be effectively prevented from being cut off.

The invention discloses a movable electric vehicle intelligent antitheft charging pile which comprises a cover and a charging station that is arranged at inside of the cover. A supporting rod is arranged below the charging station. A base with a rectangular cross section is arranged below the supporting rod. Universal wheels are arranged below the base. A locking device is arranged on each universal wheel. A connecting board is arranged above each universal wheel. The lower end surface of the base is provided with four positioning hole equidistantly. A laser range finder is arranged on the cover. The charging station is provided with a controller. The controller is connected with the laser range finder through a first relay. A card reader is arranged on the outer wall of the cover. The movable electric vehicle intelligent antitheft charging pile can perform ranging on the electric vehicle in charging through utilizing the laser range finder, thereby realizing an antitheft function through detecting distance change. Furthermore integral structure movement of the movable electric vehicle intelligent antitheft charging pile is realized through arranging the universal wheels.

The present invention provides a stent having less invasive ends and improved radial force. In one embodiment, the stent comprises a series of proximal apices disposed at a proximal end of the stent, a series of distal apices disposed at a distal end of the stent, and at least one angled strut segment disposed between the proximal and distal apices of the stent. At least one apex of the stent may comprise multiple curved portions. In one example, the radius of curvature of one of the curved portions is significantly greater, for example, at least 10 times greater, than each of the other radii of curvature of the apex. The curved portion having the significantly greater radius of curvature may be configured to engage a vessel wall in a less invasive manner.

A bearing, which is suitable for a wind turbine, with a lubricant collection system is provided. The bearing comprises a first bearing component with a first contact face and a first front face. It furthermore comprises a second bearing component with a second contact face and a second front face. The first front face is coupled with the first contact face; the second front face is coupled with the second contact face. The first bearing component and the second bearing component are movable relative to each other. The first contact face and the second contact face are prepared and arranged in a way to accommodate a lubricant. Furthermore, the bearing comprises a scraper, which is attached to the first front face and is in contact with the second front face. Finally, the invention also relates to a method of collecting a lubricant leaking out of a bearing, wherein the bearing is suitable for a wind turbine and comprises a first step of scraping off the lubricant escaping from in-between the first contact face and the second contact face, and a second step of guiding the scraped-off lubricant to a lubricant collection device by means of gravitational force.

The invention discloses a laser shock high molecular polymer indirect micro-forming method and a dedicated device thereof. A laser beam goes through an optical medium in a forming system and is exposed to an absorption coating film, so that a part of the absorption coating film is ablated to generate high-temperature high-pressure plasmas; the plasmas further absorb laser energy and then expand and explode; and the exploding plasmas expand towards the absorption coating film to generate a GPa-level impact pressure on the absorption coating film, resulting in plastic deformation of the absorption coating film. A high molecular polymer deforms towards a target work piece which is arranged at the lower part of the polymer under constraints of the impact pressure of the absorption coating film and the cavity of the high molecular polymer, resulting in plastic deformation of the target work piece. The method prevents ablative degradation or etching of the work piece surface and ensures precision forming of the work piece in the micro-mould.

The invention discloses a low-temperature industrial continuous catalytic cracking method and equipment for a waste organic polymer material. The method comprises the following steps: 1) carrying outearlier-stage treatment on a waste organic polymer material, 2) dehydrating and drying the waste organic polymer material, 3) carrying out a sectional catalytic cracking process on the waste high polymer material, 4) condensing and collecting cracking gas, 5) driving the melt material to move through an anti-coking heat-conducting medium, so that the heat and mass transfer effect is enhanced, 6) continuously discharging the pyrolysis carbon, 7) by non-condensable combustible gas generated by cracking supplies, heating the third-stage cracking reactor, 8) dividing the high-temperature flue gasinto three parts to be recycled, and discharging redundant parts through a tail gas treatment device, and 9) discharging tail gas. According to the invention, graded cracking of mixed waste organic polymer materials can be realized, cracked oil products are respectively recycled according to different decomposition temperatures of all the components, the maximum economic benefit of cracking products is realized, and the equipment is reasonable in structural design, can improve the production efficiency and realizes automatic production.

The invention relates to electromotors special for motor train units, particularly to an end cover water-cooled molybdenum alloy gear electromotor. The outer wall of an electromotor housing is provided with a wire window; a stator is fixed inside an inner hole of the electromotor housing, and a rotor is fixed to the largest-diameter position of an electromotor spindle and corresponds to the stator in position; a front end cover is provided with a front screw and fixed to the front end surface of the electromotor housing, the front cover bearing hole of the front end cover is fixedly provided with a front bearing bush, and the inside of the front cover bearing hole is fixedly provided with the front bearing section of the electromotor spindle; a rear end cover is provided with a rear screw and fixed to the rear end surface of the electromotor housing, the rear cover central blind hole of the rear end cover is fixedly provided with a rear bearing bush, and the inside of a rear bearing inner hole is fixedly provided with the rear bearing section of the electromotor spindle. As an improvement, a communicating member is fixedly sealed between the electromotor housing and the front end cover, and another communicating member is fixedly sealed between the electromotor housing and the rear end cover; the front end cover is fixedly provided with a gear rack component, and a bearing without an inner ring is arranged between the gear rack component and an output gear; the component support round surface of the gear rack component is provided with a layer of molybdenum alloy hard wearing-resistant coating.

The invention discloses an electric power assisting device for bicycles, which is characterized in that the device comprises a middle axle, a gearless flywheel and a chain wheel, wherein the middle axle is arranged on a bicycle frame, the gearless flywheel is assembled on the middle axle by a gearless flywheel overrunning clutch, the chain wheel is fixed on the gearless flywheel, and the chain wheel is connected with a flywheel fixed on a rear bicycle wheel by a chain; the electric power assisting device for bicycles also comprises an electric driver and an electrically driven sprocket; the electric driver comprises a shell, a motor, a planet gear reducing mechanism, an inner gear ring, an inner gear ring overrunning clutch and an output shaft, wherein the shell is fixed on the bicycle frame, and the motor, the planet gear reducing mechanism, the inner gear ring, the inner gear ring overrunning clutch and the output shaft are arranged in the shell; a rotating shaft of the motor is in transmission connection with the inner gear ring by the planet gear reducing mechanism; the inner gear ring is assembled on the output shaft by the inner gear ring overrunning clutch; the output shaft extends out of the shell and is fixed with the electrically driven sprocket; and the electrically driven sprocket is meshed with the chain. The electric power assisting device for bicycles, disclosed by the invention, is simplified in structure, stable in operation and large in output torque, and can greatly enhance the climbing capacity of an electric bicycle.

The invention relates to a motor which is specially used in the field of energy industry. A flame-proof type nickel alloy flat-belt pulley motor comprises a motor case, a front end cover, a rear end cover, a motor spindle, a lead port, a stator, a rotor and a flat-belt pulley. A front cover bearing hole of the front end cover is fixedly provided with a front bearing outer circle. A front bearing section of the motor spindle is fixed in a front bearing inner hole. A rear cover center hole of the rear end cover is fixedly provided with a rear bearing outer circle, a rear bearing section of the motor spindle is fixed in a rear bearing inner hole, the rear end of the rear bearing section is provided with the tail end of the motor spindle, motor impellers are fixed on the tail end of the motor spindle, and an outer cover of the impellers is fixed on the outer circle of the rear end cover. The flame-proof type nickel alloy flat-belt pulley motor is characterized in that gland flanges are arranged between the lead port and a wiring port base on the motor case, the grand flanges fix a sealing hole ring in a port base inner hole of the wiring port base, the front end cover is fixedly provided with separation components, bearings without inner rings are arranged between the separation components and the flat-belt pulley, and nickel alloy hard wear-resisting layers are arranged on the surfaces of component supporting circles of the separation components.

The invention discloses a cable arranging device. The cable arranging device comprises pulleys, connecting plates, a polished rod, a sleeve, guiding rods, pressing rods, guiding rod fixing frames, guiding rod pressing frames, a shifting fork, a linear bearing, a linear bearing block, a screw, a nut and a nut connecting plate, wherein cable arranging grooves are formed in surfaces of the pulleys, the sleeve with a stopping edge arranged at one end is sleeved with the pulleys, the other end is locked by a lock nut, the linear bearing is sleeved with the sleeve and sleeved with the linear bearing block, one end of the sleeve is fixed by the linear bearing block, side plates are arranged on two sides of the shifting fork, a semi-circular support is arranged in the middle, the other end of the sleeve is fixed by the semi-circular support in the middle of the shifting fork, the polished rod is sleeved with the linear bearing, and the linear bearing can rotate around the central axis of the polished rod and move in the axial direction of the polished rod. Axial guidance of the cable arranging device can be realized by the aid of the polished rod, and the larger radial force can be borne, so that damage caused by overlying due to tension to cables can be avoided.

A multiple-in-multiple-out pressure exchanger, the pressure exchanger is used for transferring pressure energy from a high-pressure first fluid to a low-pressure second fluid to provide a pressurized second fluid, the pressure exchanger is characterized by comprising: a body , a sleeve disposed within the body and a rotor rotating within the sleeve; the rotor having a plurality of passages extending generally axially through the rotor, the passages having a first opening at one end of the rotor , having a second opening at the other end of the rotor, the openings being spaced apart from each other along the length of the rotor; the sleeve having four or more internally distorted inlet passages and four or more a discharge passage, the sleeve passage is arranged such that when the end opening of the first passage of the rotor is aligned with the inlet passage on one of the sleeves, the other end opening of the passage is also aligned with the discharge passage on the sleeve allow.

The invention provides a biopharmaceutical stirring device with a cleaning function. The biopharmaceutical stirring device comprises a stirring tank, a water tank and a material taking tank. A water pipe, a sprayer, a motor, a discharge port, a main rotating shaft, an auxiliary rotating shaft and stirring blades are arranged inside the stirring tank, the stirring blades are arranged on the main rotating shaft and the auxiliary rotating shaft, a feed port, a stirring tank, an option board and an indicator lamp are arranged outside the stirring tank, a water pump and a water pipe are arranged inside the water tank, a water filling nozzle and a cleaning switch are arranged outside the water tank, a tray and a discharge port are arranged inside the material taking tank, and a material taking tank door and a plug are arranged outside the material taking tank. Compared with the prior art, the biopharmaceutical stirring device has the advantages that raw materials can be sufficiently stirredand more uniformly stirred, stirring efficiency is improved, stirring time is saved, the stirring tank can be timely cleaned, and residual materials after stirring are prevented from corroding the stirring tank and affecting next stirring.

The invention discloses a twin-worm drive swing driving device which comprises a base and a swing bearing. The swing bearing comprises an inner ring, an outer gear ring and balls, the balls are embedded between the inner ring and the outer gear ring, the inner ring is fixed above a base ring of a base, a first shaft housing and a second shaft housing are symmetrically arranged on the outer side of the base ring of the base, the axis lines of the first shaft housing and the second shaft housing are spatially perpendicular to the axis line of the base ring, a first worm is mounted in the first shaft housing, a second worm is mounted in the second shaft housing, and both the first worm and the second worm are engaged with the outer gear ring. The two worms are used for driving the outer gear ring of the swing bearing, translational acting force of the two worms on the outer gear ring is mutually offset, the gap between each worm and the outer gear ring is 'eliminated', and the rotation angle of the outer gear ring is accurately positioned. The twin-worm drive swing driving device is simple in structure and reasonable in design, and can be widely applied to industries such as engineering machinery, building machinery and solar photovoltaics.

A switched reluctance motor includes: a stator provided with a plurality of stator teeth as salient poles in a radial fashion with winding wire wound around each of the plurality of stator teeth; a rotor provided with a plurality of rotor teeth as salient poles in a radial fashion; a driving circuit configured to apply a current to the winding wire for each phase; and a control device configured to control the driving circuit, the control device being configured to perform: starting rising of a current to the winding wire of a stator tooth of a phase being a non-excitation target due to stop of energization to the winding wire; and allowing the current applied to the winding wire of the stator tooth of a phase being an excitation target to fall.

The invention discloses low-temperature industrial continuous catalytic cracking equipment for waste organic polymer materials. The low-temperature industrial continuous catalytic cracking equipment comprises dehydration drying devices, a cracking device, a heat-conducting medium recovery device, a cracked carbon recovery device, a pyrolysis gas condensing device, a pyrolysis gas recycling combustion device, a flue gas circulating system and a flue gas treatment device which are connected in sequence. The dehydration drying devices comprise a dehydration drying device a and a dehydration drying device b. The cracking device is mainly composed of three stage of crackers, and each stage of cracker comprises a large spiral conveying mechanism, a heat supply mechanism, a heat preservation mechanism, a machine barrel, a sealing mechanism, a transmission mechanism and the like. Free conveying and cracking processes of a waste organic polymer material in cracking can be realized, and conveying of the material is forcibly realized among all stages of cracking reactors through conveyors. The equipment is reasonable in structural design, the production efficiency can be improved, dust pollution is isolated, and automatic production is achieved.

The invention discloses a self-compensation intelligent lip-shaped seal. The self-compensation intelligent lip-shaped seal comprises a working cavity outer shell, a sealing ring body in interference fit with the outer shell, a metal framework inlaid in the sealing ring body, a common metal spring inlaid in a groove in the lower part of the sealing ring body, an SMA memory alloy ring nested in thecommon metal spring and a rotating shaft in contact with the sealing ring body; and the SMA memory alloy ring and the common metal spring jointly ensure the contact pressure between a sealing lip anda shaft, the radial force is mainly provided by the common metal spring in a low-temperature section and a normal-temperature section, and the radial force is mainly provided by the SMA memory alloy ring in a high-temperature section. According to the self-compensation intelligent lip-shaped seal, the SMA memory alloy ring is nested in the common metal spring, so that compensation of the radial force in a high-temperature environment is met, excessive abrasion caused by overlarge radial force in a low-temperature environment is avoided, and stable and long-term intelligent sealing in a wide temperature region can be realized.