107results 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 relates to a motor special for a motor train locomotive and provides a main case water-cooling tungsten alloy triangle belt wheel motor. The motor comprises a motor case, a front end cover, a rear end cover, a motor spindle, a stator, a rotor and triangle belt wheels. According to the improvement, a cooling interlayer is arranged between the outer wall and the inner wall of the motor case and arranged by bypassing a lead window, the two periphery isolated two ends of the cooling interlayer are provided with a water inlet penetrating hole and a water outlet penetrating hole respectively, the water inlet penetrating hole and the water outlet penetrating hole are spaced through an isolating rib, a front end flow guide rib arranged on the inner side of the front end face of the case and a rear end flow guide rib arranged on the inner side of the rear end face of the case are arranged in a misplaced mode, a water outlet taper thread is arranged on a water outlet lug, the bottom of the water outlet taper thread leads to the water outlet penetrating hole, a water inlet taper thread is arranged on a water inlet lug, the bottom of the water inlet taper thread leads to the water inlet penetrating hole, component force members are fixed to the front end cover, inner-ring-free bearings are arranged between the component force members and the triangle wheels, and a tungsten alloy hard wearing layer is arranged on the surface of the supporting circle of each outer bearing of each component force member in a compositing mode.

A curved conveyor comprises a toothed, endless belt and a slider bed that supports a portion of the belt. The slider bed can include at least one guide in the form of a rail extending along the slider bed in the direction of belt travel. Each of the belt teeth are discontinuous and have at least one gap sized to receive the at least one guide; thus, the at least one guide prevents inward radial migration of the belt during movement of the belt. The conveyor can further comprise a center guide wheel or a guide post to prevent belt radial migration.

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 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.

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 invention is directed to a wind power plant having a rotor mounted rotatably about an axis directed approximately in the wind direction, and having at least two mutually concentric annular elements for connection to oppositely rotatable system components of the wind power plant, one of which comprises means for connection to the rotor of the wind power plant or to a drive shaft of a gearbox coupled thereto; at least one element having a freewheel characteristic is disposed between the two connection elements and together with them forms a freewheel, at least one connection element being provided with at least one integrated raceway for a row of rolling bodies rolling thereon.

The invention discloses a pipeline sealing and blocking device, and relates to the technical field of pipeline construction. The pipeline sealing and blocking device comprises an in-pipe sealing device and a positioning enhancing device, the in-pipe sealing device and the positioning enhancing device are connected through a equalization connecting device, and the in-pipe sealing device comprises acylindrical elastic airbag; an annular liquid storage bag is fixedly connected to the outer side of the elastic airbag in a sleeving mode, and the liquid storage bag is filled with a shear thickeningfluid; the positioning enhancing device comprises a mounting seat and a movable seat, supporting rods are evenly and rotatably connected to the side edge of the movable seat, the supporting rods arein one-to-one correspondence to fulcrum rods, the supporting rods penetrate through lantern rings, and friction blocks are connected to the outer ends of the supporting rods through rotating shafts; and the equalization connecting device comprises a total draw cord and a cord locking block, the total draw cord is fixedly connected with the right end of the movable seat, and the cord locking blockis fixedly connected the right end of the total draw cord. The pipeline sealing and blocking device has the beneficial effects that good sealing and positioning in the pipeline are achieved, the sealing and blocking device is suitable for pipelines with various pipe diameters, the sealing and blocking effect is good, operation is convenient, and the waste of liquid can be reduced.

A curved conveyor comprises a toothed, endless belt and a slider bed that supports a portion of the belt. The slider bed can include at least one guide in the form of a rail extending along the slider bed in the direction of belt travel. Each of the belt teeth are discontinuous and have at least one gap sized to receive the at least one guide; thus, the at least one guide prevents inward radial migration of the belt during movement of the belt. The conveyor can further comprise a center guide wheel or a guide post to prevent belt radial migration.

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 relates to a vertical Woltmann water meter, which comprises a meter case, a retarding mechanism, an indicator, a water strainer, an impeller and a guide part, wherein the retarding mechanism is arranged in the meter case. The vertical Woltmann water meter is characterized in that the impeller is provided with rotary blades of which the helical angles are 45 degrees; the guide part is provided with guide blades; each guide blade has a 45-degree helical angle; and the included angle between each rotary blade and each guide blade is 90 degrees. The vertical Woltmann water meter hasa simple structure, a small size, a light weight, manufacturing material saving and long service life. Moreover, the metering accuracy and the sensitivity are high, and the technical blank of 40 typevertical Woltmann water meters with C-level precision in water meter markets is filled.

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 discloses a built-in solar tracking azimuth driving device which comprises a circular box cover, an inner tooth type four-point contact ball turntable bearing, a worm rod, a turbine worm rod-bevel gear speed reducer component and an output short shaft, wherein the circular box cover is fixed on the position at the top end in a hollow vertical column; the speed reducer component is mounted on the lower part of the circular box cover; the output short shaft of the speed reducer component is upward; an external gear is mounted on the short shaft; the external gear is meshed with the inner tooth type four-point contact ball turntable bearing; the worm rod is arranged in the speed reducer component; an input end of the worm rod is connected with a motor; a variable parameter is set according to the requirement for the outline structure size and reduction ratio of the device. According to the invention, different reduction ratios can be easily realized through the driving pair parameter design, and meanwhile, a triple-axle bearing structure and an inside mounting mode of the vertical column can ensure that the larger wind load overturning moment, axial force and radial force can be endured by the device.

The invention relates to a pressure sensor for measurements in hot, dynamic processes. The pressure sensor comprises a cylindrical housing in which a measuring element is located, and a round or annular membrane having at least one outer support. The outer support is arranged on the housing, offset behind a housing extension. The measuring element is adapted to acquire measurement data as a result of an axial displacement of the membrane. The housing extension is provided with a heat shield which is arranged, except on its edges, interspaced behind a gap.

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.

A pump coiling device of a water ring vacuum pump comprises a hoop, a hoop fastening mechanism and wrenches. The hoop is composed of a front hoop body and a rear hoop body. The front hoop body and the rear hoop body are connected through the hoop fastening mechanism to form a circular ring to hoop the water ring vacuum pump. A clamping groove is formed in the inner side of the hoop and used for being matched with a protrusion on a bearing of the water ring vacuum pump so that the hoop cannot slide relative to the water ring vacuum pump. The wrenches are fixedly connected with the hoop. The pump coiling device can effectively solve the technical problem that daily maintenance of the water ring vacuum pump cannot be achieved through pump coiling by common wrenches.

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.

The invention relates to double-flanging special-shaped channel steel. The channel steel comprises a channel steel main body, the channel steel main body is integrally formed, is integrally arranged in a C shape and comprises an upper leg, an upper flanging, a lower leg, a lower flanging and a connecting part, the connecting part is arranged in the vertical direction, the upper leg is arranged in the horizontal direction, one end of the upper leg is arranged at the upper end of the connecting part, and the other end is provided with the upper flanging. The upper flanging is parallel to the connecting part, and the upper flanging and the connecting part are located at the two sides of the upper leg respectively. The channel steel has the advantages that the bearing strength of the channel steel main body is improved, surface contact stress of guide wheels and the channel steel main body is achieved, radial force capable of being borne by the upper leg and the lower leg of the channel steel main body is increased, the guide performance of the channel steel is enhanced, and the service life of the channel steel is prolonged. Meanwhile, abrasion of the guide wheels is reduced, the service life of the guide wheels is prolonged, and the running stability of a trolley in a rail is guaranteed.