20results about How to "Increase radius" patented technology

The invention provides a torque optimization type flat axial magnetic flux motor which comprises a main body assembly, and the main body assembly comprises two stator iron cores, an electromagnetic ring, a mounting frame, an electromagnetic coil, a rotor disc, a mounting seat, two limiting blocks, two fixing plates, two upper magnetic blocks, two limiting grooves, two limiting rods, a supporting spring and a through groove. And the through grooves are symmetrically formed in the rotor disc. When the robot needs to bear a large load, the electromagnetic ring pushes the sliding block through the lower magnetic block, the sliding block drives the clamping blocks, the two clamping blocks get close to each other, then the electromagnetic ring works, the upper magnetic block is pushed through magnetic force to move in the direction away from the mounting frame, meanwhile, the mounting base drives the magnetic steel, and due to the fact that the mounting base generates displacement, the magnetic steel is driven to rotate. And the torque of the axial magnetic flux motor is in direct proportion to the cube of the radius of the rotor, so that the torque can be remarkably improved by increasing the radius of the rotor, the motor is further suitable for a scene with a relatively large load, and the motion performance of the robot is ensured.

The invention discloses a loose aquifer grouting simulation test device and method, and the device comprises an aquifer simulation body which is of a cylinder structure formed by stacking a plurality of layers of cylinder cavities; a digital information acquisition system is embedded in the aquifer simulation body; and a slurry supply system is communicated with the inner cavity of the aquifer simulation body. The device is used for the grouting simulation experiment of the loose aquifer under multi-field environment coupling. The device can simulate the grouting conditions of broken rocks and sand clay with different proportions under different drainage modes and grouting parameters, and further analyzes the diffusion mechanism and grouting reinforcement mechanism and effect of the grout in the unconsolidated formation.

The invention provides a preparation method and application of a cathode material, and the preparation method of the cathode material comprises the following steps: weighing raw materials of a vanadium source, a phosphorus source, a potassium source and a rare earth element source, then adding water for dissolving, drying, calcining and ball-milling to obtain a rare earth element doped cathode material. The cathode material is high in energy density, stable in structure and good in conductivity, and the cycle performance of the battery can be improved. Particularly, a K < + > diffusion channel of the cathode material is obviously enlarged, and the cathode material has relatively high rate capability and has profound significance in application of the cathode material of the potassium storage secondary battery.

The utility model discloses an oval type air pipe external hoop forming device which comprises an outer ring hoop and an inner ring hoop, one end of the outer ring hoop and one end of the inner ring hoop are fixedly connected with connecting bases, a transverse shaft is installed in the center of each connecting base, a hanging ring is connected to the surface of each transverse shaft in a sleeved mode, one end of each hanging ring is fixedly connected with a threaded rod, and the other end of each hanging ring is fixedly connected with a threaded rod. A shell is arranged at the center positions of the two connecting seats, an inner cavity is formed in the shell, an adjusting wheel is installed at the center of the inner cavity, and two internal thread sleeves are installed at the center of the adjusting wheel; according to the oval air pipe external hoop forming device, the hoop is formed by combining the two sections, the hoop can be lengthened so that the overall radius of the hoop can be increased, the distance between the circle centers of the left arc and the right arc can be changed by adjusting the distance between the connecting bases, and therefore the oval air pipe external hoop forming device can adapt to oval air pipes of different sizes.

The invention relates to a joint stop (1) for a holding arm of a medical surgical device, comprising a gearwheel (3) arranged on a pivot axis (2) of the joint and a spring-loaded roller (4, 5) directly operatively connected to the gearwheel (3). The invention relates to a joint stop (1) for a retaining arm of a medical surgical device, which ensures reduced wear of rollers (4, 5) and / or gear wheels (3) while maintaining a constant positioning capacity of the joint, characterized in that according to the invention two spring-loaded rollers (4, 5) are directly operatively connected to at least one gear wheel (3), the joint is designed such that in each locking position of the joint, at least one roller (4 or 5) always engages in a locking manner in a tooth space (12) between two adjacent teeth (13) of the at least one gear (3).

The application provides a positive electrode active material, a preparation method thereof, a positive electrode sheet and a secondary battery. The positive electrode active material comprises a compound with a chemical formula of formula 1: [Na x □ y ]Ni a Fe b Mn c A m Q n O β formula 1, wherein 0.6<=x<1.0, 0.06<=y<=0.4, 0<=a<=0.5, 0<=b<=0.5, 0.35<=c<=0.7, 0<=m<=0.1, 0<=n<=0.1, 1.96<=beta<=2.02, and a<c; □ is a Na vacancy, the Na vacancy comprises an intrinsic Na vacancy and a Na vacancy introduced by the A; the A comprises at least one of metal ions with full or empty d orbitals, and the Q comprises at least one of metal cations with +1 valence or +2 valence. In the application, the A enters the TM layer to replace part of the Mn 4+ , so that the TM n+ is in an electron-deficient state, and spontaneous oxidation reaction is inhibited.

The application discloses a battery module and a vehicle, and belongs to the technical field of batteries. The battery module comprises a single battery, an end plate, a control assembly and a first circuit board. The end plate is connected to one side of the single battery. The control assembly is arranged on the side of the end plate away from the single battery and is connected to the end plate. The first circuit board is connected to the single battery and the control assembly. The single battery, the end plate and the control assembly are arranged on the same side of the first circuit board. According to the application, the control assembly is connected to the end plate, so that the control assembly and the end plate form an integral whole, the connection between the control assembly and the first circuit board can be completed before the battery module is put into a box, and the connection difficulty is reduced.

The invention relates to the technical field of ceramic glazes, and discloses a high-strength wear-resistant ceramic glaze and a preparation method thereof, 3-chloro-2-chloromethyl propylene and diethyl iminodiacetate are subjected to nucleophilic substitution, the obtained product is hydrolyzed under an acidic condition, and 2-(N, N '-dimethylene carboxyl) aminomethyl-allyl diacetic acid is obtained. And carrying out addition reaction on the poly (ethylene glycol) methacrylate and sodium vinyl sulfonate to obtain the dispersing agent. The preparation method comprises the following steps: adding a dispersing agent into a preparation process of a zirconium silicate precursor, drying to obtain dispersing agent modified zirconium silicate superfine powder, mixing with potassium feldspar, albite, high-purity quartz, calcined kaolin, aluminum oxide, calcium carbonate and zinc oxide, carrying out ball milling, and sieving to remove iron, so as to prepare the high-strength wear-resistant ceramic glaze, so that the wear resistance, high strength and corrosion resistance of the ceramic glaze are improved, and the service life of the ceramic glaze is prolonged. Therefore, the wear resistance, high strength and corrosion resistance of the ceramic product are improved.

A cooling tower water and wind double-drive turbine type rotating water spraying nozzle, comprising a water guide rotor, a water guide stator, a wind turbine and a water turbine; the water guide rotor is connected with the helical guide vane by a rotating shaft, the bottom of the water guide rotor is connected with the water turbine and the wind turbine; the water guide stator comprises a water guide sleeve which is vertically arranged, the top of the outer part of the water guide sleeve is provided with an outer thread connected with a nozzle seat and a wrench position, a coaxial thrust sliding bearing is arranged in the upper part of the cylinder, the water guide rotor is coaxially arranged in the cylinder of the water guide stator, an axial limiting assembly is arranged above the thrust sliding bearing and is connected with the upper shaft neck connected with the rotating shaft which extends out of the thrust sliding bearing to suspend and support the water guide rotor; the helical guide vane is rotationally matched with the inner surface of the cylinder, a plurality of helical guide vanes divide the inner cavity of the cylinder into a plurality of helical flow channels which are connected with the U-shaped flow channel of the water turbine at the bottom to spray water outward. The present application can distribute the spraying water more uniformly, avoid the spraying blind area, reduce material consumption and be beneficial to environmental protection.

The utility model relates to an extensible pulley device, which comprises a support main body, the support main body comprises a connecting seat and a plurality of support bodies connected with the connecting seat, the plurality of support bodies are circularly distributed around the center of the connecting seat, and the plurality of support bodies have a contraction state and an expansion state; the first telescopic rods are located on the same plane and radiate in the radial direction with the connecting base as the center, one end of any first telescopic rod is connected with the connecting base, the other end of any first telescopic rod is connected with one supporting body, and the first telescopic rods extend to drive the supporting bodies to move from the contraction state to the expansion state in the radial direction at the same time; when the multiple supporting bodies are in the expansion state, the filling blocks are seamlessly spliced between every two adjacent supporting bodies; according to the utility model, the contact area between the tackle and the coiled tubing is increased, and the turning radius of the coiled tubing is increased, so that the phenomenon that the coiled tubing jumps out of the tackle when turning by 90 degrees on the tackle is greatly reduced, and the construction efficiency is improved.

The application discloses a construction method for hammering a hole and expanding a head, and the construction method can not only avoid the influence of pipelines and box culverts on the ordinary foundation reinforcement, but also can make the construction speed faster, reduce the construction cost and shorten the construction period due to the easy ramming construction of the rammed expanded pile in the bearing layer and the short overall pile length.

The utility model relates to an electric power engineering cable traction device, which comprises a traction wheel frame and a plurality of winding shafts, the plurality of winding shafts form a winding roller with an adjustable radius by taking the axis of the traction wheel frame as the center, and driving assemblies for driving the winding shafts to synchronously move along the radial direction of the traction wheel frame are symmetrically mounted on two sides of the traction wheel frame. Specifically, by driving the winding shafts to move in the radial direction of the traction wheel carrier, a worker can conveniently control the radius of the winding roller formed by the multiple winding shafts with the axis of the traction wheel carrier as the center according to the actual length of the cable, when the actual length of the cable is large, the radius of the winding roller can be enlarged, and the situation that the number of wound coils is too large, and the cable is damaged is avoided. When the actual length of the cable is short, the radius of the winding roller can be reduced, and the number of wound coils is prevented from being too small.

The utility model discloses a valve seat forging and pressing forming die for a fracturing pump, relates to the technical field of valve seat processing, and aims to solve the technical problems that raw materials are expanded and clamped in a die core and are inconvenient to take out after the existing forging and pressing are finished. The technical scheme is that the valve seat forging and pressing forming die comprises a lower die seat and an upper die seat, and a hydraulic mechanism is arranged on the bottom surface of the lower die seat; a mold core is arranged in the middle of the lower mold base and is designed in a split mode, a bottom plate is arranged on the bottom face of the mold core, a demolding mechanism is arranged on the bottom plate, and through the split design of the mold core, the mold core is connected with the demolding mechanism on the bottom plate, so that after forging and pressing are finished, a driving motor drives a switching gear to rotate through a driving gear; therefore, the transfer gear drives the transmission gear coaxially arranged with the transfer gear to work, the transmission gear drives the annular gear, the other three sets of transmission gears work together, the transmission gears are meshed with the teeth on the moving rods, the four sets of moving rods are made to synchronously face outwards, the die cores divided into the four sets are driven to be like blooming, and forged parts can be taken out conveniently.

The invention discloses a pre-interface device facilitating quick access of a generator and a use method thereof, and relates to the technical field of power supply facilities. Comprising an air switch; the mounting unit comprises a switching box connected with the end part of the air switch, an upper cover arranged on the switching box, two groups of conductive copper blocks arranged in the switching box, two groups of conductive copper blocks arranged in a mirror image manner, and a connecting assembly arranged on the conductive copper blocks, and the connecting assembly is matched with the air switch; and the switching unit comprises a socket, a quick plug and a diversion assembly which is arranged on the socket and matched with the conductive copper block, and the quick plug is matched with the socket. The device can save the labor intensity of connecting and dismounting the generator when a power supply station executes a power supply guaranteeing task, improves the working efficiency, and prevents the power supply guaranteeing main body from interrupting power supply before the generator is connected and potential safety hazards possibly left after the generator is dismounted. By optimizing and transforming the device, the burden of a base layer is reduced.

The invention relates to an opening device for a motor vehicle door, in particular a handle-free motor vehicle door, for example a handle-free motor vehicle side door. For this purpose, the opening device comprises an electric drive (1 to 4) and an associated adjusting element (5) for loading the door leaf. The adjusting element (5) acts on the door leaf along its adjustment stroke (S) with a stroke-dependent force. According to the invention, the electric drive (1 to 4) acts on the adjusting element (5) with a rack-and-pinion mechanism (7, 8) connected therebetween, the rack-and-pinion mechanism (7, 8) acting on the adjusting element (5) with different transmission ratios along an adjusting path (S) of the adjusting element.

The present invention belongs to the field of laser processing, and discloses an optical system of an annular light spot, including a collimation unit, a phase modulation unit and a focusing unit arranged in sequence along the optical path, the phase modulation unit including at least one spiral phase plate located in the optical path; the laser beam can be added with a spiral phase factor to achieve phase modulation through the spiral phase plate located in the optical path, so that the energy distribution of the laser beam becomes annular distribution. Furthermore, the spiral phase plate can be set on a rotating axis, and the state of being located inside and outside the optical path can be switched by rotating around the rotating axis, so that a variable annular light spot can be achieved by switching each spiral phase plate. The present invention improves the components of the optical system and the coordination mode between the components, etc., and can obtain an annular light spot with energy distribution concentrated at the edge, larger diameter and longer focal depth. Furthermore, the size of the light spot is adjustable, and it is suitable for various laser processing fields such as laser cutting.

The invention discloses an automobile part stamping die capable of collecting waste materials in a centralized mode, and belongs to the technical field of stamping dies. The upper mold is arranged right above the lower mold, and a driving mechanism is arranged at the top of the upper mold; the collecting mechanism is arranged below the lower mold, the collecting mechanism comprises a collecting frame and a mounting frame, the collecting frame is slidably mounted in the mounting frame, a plurality of sieve holes are formed in the bottom of the collecting frame, and the inner wall of the bottom of the collecting frame is arranged to be an inclined plane with the left higher than the right; and the cooling mechanism is arranged on the front side of the lower mold, and the cooling mechanism comprises a rotating arm, a connecting rod, an adjusting frame and two cooling boxes. By means of the cooling mechanism and the collecting mechanism, automatic cooling and waste collecting are conveniently achieved when automobile parts are stamped, the cooling and waste collecting speed can be automatically adjusted according to the heating value of the die and the waste stockpiling amount, and therefore using under different working conditions is met.

The application provides a copper strip trimming and shaping waste recycling device, and belongs to the technical field of metal material recycling. The device solves the problems of long recycling process, high cost, high labor intensity and low production efficiency in the prior art. The copper strip trimming and shaping waste recycling device comprises a rack, a compaction forming assembly and a crushing assembly fixed above the rack, and a material guiding assembly fixed above the crushing assembly. The material guiding assembly comprises a slave rotating shaft and a first rotating motor fixed at one end of a discharging hopper. The first rotating motor output shaft is fixed with a main rotating shaft. The main rotating shaft and the slave rotating shaft are both fixed with belt pulleys at the other end. Transmission belts are fixed between the two belt pulleys. The main rotating shaft outer wall is fixed with a guide roller. The slave rotating shaft outer wall is fixed with a rubber roller. The device has the advantages of on-line continuous waste recycling and direct utilization in the copper strip trimming and shaping process.

The application discloses a drilling sample manufacturing mold, which is characterized by rotating a pivot part to drive an arc-shaped inner plate to move along a radial direction by an inner plate driving mechanism, thereby adjusting the distance between an inner tube and an outer tube, that is, adjusting the radius between the axis of a center tube and the inner tube, so as to adjust the aperture of the drilling. The drilling sample manufacturing mold disclosed by the application can manufacture drilling samples with different apertures by using the same mold, guarantees the diversity of the manufactured samples, saves materials, and improves the test efficiency.