31results about How to "Change strength" patented technology

The present invention is related to a manpower driven device being able to do particular bi-directional pedaling to provide constant directional output for driving the loading wheel train, wherein its pedaling direction is selected by the rider according to his / her operating statuses of the muscles and joints, or the same directional outputs of different speed ratios is made further through the different driving directional inputs.

The invention relates to an adjustable damping type vibration-attenuation and chatter-suppression device in the milling process of thin-walled workpieces and a vibration-attenuation method. According to a conventional vibration-attenuation device for thin-walled workpieces, the functions of suppressing blade chatter and attenuating vibration are majorly achieved by modifying and optimizing machining tools, work fixtures and machining cutters or positioning the cutters, arranging machining processes and the like; but the effects are unsatisfactory or limited, and economic input is often large. The adjustable damping type vibration-attenuation and chatter-suppression device in the milling process of the thin-walled workpieces comprises a vibration-attenuation and chatter-suppression unit (9) which comprises a seal chamber (8); a top plate (1) is mounted on the upper plane of the seal chamber; the outer layer of the seal chamber is a restraint layer (7) which is internally provided with a damping layer (6); a damping layer base plate (5) is mounted inside the damping layer and contains magnetorheological fluid (3) inside; six permanent magnets (2) are mounted in the magnetorheological fluid (3); and a coil (4) is wound outside each permanent magnet. The adjustable damping type vibration-attenuation and chatter-suppression device is used in the milling process of the thin-walled workpieces.

The present invention is related to a manpower driven device being able to do particular bi-directional pedaling to provide constant directional output for driving the loading wheel train, wherein its pedaling direction is selected by the rider according to his / her operating statuses of the muscles and joints, or the same directional outputs of different speed ratios is made further through the different driving directional inputs.

The invention discloses an electromagnetic stirrer for the stokehole modification of molten steel. The electromagnetic stirrer comprises a first shell, wherein a sealing top cover is arranged above the first shell, a fixed handle is fixedly welded to the upper surface of the sealing top cover, two second shells are fixedly mounted on the periphery surface of the first shell, and clamping bases arearranged on the inner sides of the second shell. A magnetic core and a coil are clamped by virtue of a clamping rod, a clamping top rod and a clamping base plate, are fixed and are safe and steady; and the churning degree of the molten steel in the stirrer can controlled by changing the placement positions of the magnetic core and the coil on the shell and changing the sizes of the magnetic coreand the coil, and a modifier is very effectively absorbed by the molten steel, so that the use amount of the modifier is reduced, the modification effect can be stabilized, the ''modification recession'' phenomenon is overcome, the electromagnetic stirrer is simple, flexible, convenient and rapid to operate, and the stabilization of a novel modifier for the industrial production is truly realized.

The invention discloses a magnetic field controllable drill bit magnetic connector. The magnetic field controllable drill bit magnetic connector comprises a cylindrical non-magnetic rigid body, a vibration sensor, a central processing circuit, a solenoid and a power supply battery, wherein the non-magnetic rigid body is provided with an axial through hole and connected between a drill bit and a screw motor; the vibration sensor, the central processing circuit and the battery are all fixed in a sealed cavity in the non-magnetic rigid body, and an output end of the vibration sensor is connectedwith an input end of the central processing circuit; the solenoid is buried in the non-magnetic rigid body and an axis of the solenoid is perpendicular to the axis of the non-magnetic rigid body. Theinvention also provides a usage method of the magnetic connector at the same time. With the magnetic field controllable drill bit magnetic connector and the usage method thereof, a magnetic field of the solenoid can be adjusted according to distance between the magnetic connector and a target point, under the premise of avoiding that a magnetic sensor reaches magnetic saturation, intensity of themagnetic field is increased as much as possible, thus, locating accuracy of the drill bit is improved effectively, and normal proceeding of construction is guaranteed.

The invention provides a light adjustment camera, comprising a mounting base, wherein a rotation base is set at the lower end of the mounting base; a spherical rotation body is set in the rotation base; a camera is set in the middle of the spherical rotation body; a lens is set in the middle of the camera; a round of circular grooves are set at the outer side of the lens; rotation blocks are set in the circular grooves; illuminating lamps are set on the rotation blocks; an imaging device is set in the camera; the imaging device is connected with the lens; the rear end of the imaging device isconnected with a data storage device; an adjustment resistor is set in the camera; the adjustment resistor is connected with the illuminating lamps; the rear end of the adjustment resistor is connected with a controller; and the controller is electrically connected with the rotation blocks. According to the light adjustment camera, illuminating direction and light intensity of the illuminating lamps are adjusted through utilization of the rotation blocks and the adjustment resistor, a photographing light environment of the camera is improved, and a photographing effect is improved.

The invention relates to the technical field of radar obstacle detection, in particular to an airborne fire control radar fault detection device which comprises a bottom plate and further comprises a controller, a detection mechanism, a fixing mechanism and a lifting mechanism, the lifting mechanism comprises a standing frame, a driving assembly and a sliding assembly, and the fixing mechanism comprises a detection table and a clamping assembly. A mounting chamber and a standing area are arranged in the standing frame through a partition plate, a rotating shaft is rotatably arranged in the mounting chamber through a foundation pillar, the detection mechanism comprises a traction assembly, an angle adjusting assembly and a voltage adjusting assembly, the angle adjusting assembly is arranged on the outer wall of the rotating shaft, and the traction assembly is arranged on the outer wall of the partition plate. The top of the voltage adjusting assembly detection table, the driving assembly, the traction assembly and the voltage adjusting assembly are electrically connected with the controller, the airborne fire control radar fault detection device can accurately know whether radio frequency signals of a radar transmitter at any angle or in different magnetic fields have obstacles or not, and meanwhile the safety is higher.

The invention relates to a method for controlling accuracy of a medicine supply quantity of a powder aerosol supply device, and belongs to the field of a medicine supply machine. On one hand, a vibration gear is arranged below a medicine powder outlet of a medicine powder storage container to perform integral striking-type vibration to a runner lower component by virtue of a rotating plate, so that the measuring accuracy of a medicine powder dosage supplied by a medicine storage unit in the medicine supply process at every time of the entire powder aerosol supply device can be better guaranteed; on the other hand, a counter-rotation prevention structure is used for preventing the failure in medicine supply, when in operation, the powder aerosol supply device can correctly supply the medicine after rotating for a given angle, so that the situation of failure in medicine supply can be prevented, the rotating angle of a rotating wheel is enabled to be correct at every time when in use, more convenience in operation can be realized, the situation of failure in medicine supply can be prevented, and accuracy in measuring the medicine supply dosage of the powder aerosol supply device at every time can be guaranteed. The method can be widely suitable for the design and manufacture field of the powder aerosol supply device of various specifications.

The invention discloses an electromagnetic stirrer for metamorphism treatment in front of molten steel furnace, which comprises a first casing, a sealing top cover is arranged on the top of the first casing, and the upper surface of the sealing top cover is fixed by welding. For the handle, two second housings are fixedly installed on the outer peripheral surface of the first housing, and the inner side of the second housing is provided with a clamping base; The core and the coil are clamped to keep the magnetic core and coil fixed, safe and stable; the degree of tumbling of the molten steel in the stirrer can be changed by changing the position of the magnetic core coil in the stirrer shell and by changing the size of the magnetic core and coil control, so that the molten steel can absorb the modificant very effectively, which not only reduces the amount of the modificant, but also stabilizes the metamorphic effect and overcomes the phenomenon of "deterioration and recession". Stabilization of novel modifiers for industrial production.

The invention provides a method for protecting an electronic component in a monocrystalline silicon differential pressure transmitter by resistance change. The electronic component comprises a clamp plate, a mounting block and a cover body. A connecting block is fixedly mounted in the groove on the upper surface of the clamp plate. The upper surface of the connecting block is fixedly provided witha contact point. A contact block is fixedly mounted inside the left side of the mounting block. A guide block is overlapped on the upper surface of the right side of the contact block. The right endof the guide block is fixedly provided with a fixed ball. A lead is fixedly connected on the upper surface of the guide block. A metal rod is inserted in the middle part of the mounting block. A coilis fixedly connected on the upper end of the right side of the metal rod. A thermistor is fixedly mounted on the lower end of the right side of the metal rod. The guide block and the contact block canbe conveniently and effectively separated to form an open circuit through the cooperation of the guide block, the fixed ball, the lead and the arc plate, the brightness of the display screen is reduced, the working personnel are effectively reminded that the device is placed for too long and thus the service life of the electronic component can be guaranteed.

The invention relates to a dual vibration medicine storage unit for a dry powder inhalation dosing device and belongs to the field of inhalation type dosing instruments. A turning cover, a spring, a vibration gear, a turntable, an internal medicine drum and an external medicine drum form the dual vibration medicine storage unit for the dry powder inhalation dosing device, wherein the internal medicine drum and the external medicine drum are arranged on a flow channel lower component. While impact vibration is performed on a medicine powder storage container of the medicine storage unit, a second vibrating component, namely the internal medicine drum, which can synchronously freely vibrate, is also arranged in the medicine powder storage container, so as to perform dual vibration on medicine powder in the medicine powder storage container, so that the metering accuracy of the medicine powder dose provided by the medicine storage unit in the process of medicine dosing by the whole dry powder inhalation dosing device each time is guaranteed better, the mechanical structure design change workload needed for the variation of varieties of filling medicine powder can also be reduced, and the good adaptability of the dry powder inhalation dosing device for the powder medicine varieties in a large range is improved. The dual vibration medicine storage unit can be widely suitable for the fields of design and manufacture of dry powder inhalation dosing devices of various specifications.

The invention relates to an adjustable damping type vibration-attenuation and chatter-suppression device in the milling process of thin-walled workpieces and a vibration-attenuation method. According to a conventional vibration-attenuation device for thin-walled workpieces, the functions of suppressing blade chatter and attenuating vibration are majorly achieved by modifying and optimizing machining tools, work fixtures and machining cutters or positioning the cutters, arranging machining processes and the like; but the effects are unsatisfactory or limited, and economic input is often large. The adjustable damping type vibration-attenuation and chatter-suppression device in the milling process of the thin-walled workpieces comprises a vibration-attenuation and chatter-suppression unit (9) which comprises a seal chamber (8); a top plate (1) is mounted on the upper plane of the seal chamber; the outer layer of the seal chamber is a restraint layer (7) which is internally provided with a damping layer (6); a damping layer base plate (5) is mounted inside the damping layer and contains magnetorheological fluid (3) inside; six permanent magnets (2) are mounted in the magnetorheological fluid (3); and a coil (4) is wound outside each permanent magnet. The adjustable damping type vibration-attenuation and chatter-suppression device is used in the milling process of the thin-walled workpieces.

The invention relates to a vibrating medicine storage unit for a dry powder inhalation dosing device and belongs to the field of inhalation type dosing instruments. A turning cover, a spring, a vibration gear, a turntable and an external medicine drum arranged on a flow channel lower component form the vibrating medicine storage unit for the dry powder inhalation dosing device. While impact vibration is performed on a medicine powder storage container of the medicine storage unit, a second vibrating component, namely an internal medicine drum, which can synchronously freely vibrate, is also arranged in the medicine powder storage container, so as to perform compound vibration on medicine powder in the medicine powder storage container, so that the metering accuracy of the medicine powder dose provided by the medicine storage unit in the process of medicine dosing by the whole dry powder inhalation dosing device each time is guaranteed better, the mechanical structure design change workload needed for the variation of varieties of filling medicine powder can also be reduced, and the good adaptability of the dry powder inhalation dosing device for the powder medicine varieties in a large range is improved. The vibrating medicine storage unit can be widely suitable for the fields of design and manufacture of dry powder inhalation dosing devices of various specifications.

A foot-pedaling device with bidirectional pedaling for constantly driving a loading wheel train in the same direction, wherein the pedaling direction is selected by the riding pedaler according to the operating status of his / her muscles and joints, or through the different driving directional input, to provide different-speed-change- ratio output.

The invention relates to a soybean milk machine. The soybean milk machine is characterized in that a cup is arranged in an engine base in a wrapped mode and provided with a liftable handle, and a receding notch matched with the handle is formed in the engine base. The engine base comprises a heating base, a deep-concave wire coil, a control panel and a fan, and an air guide cover is arranged between the fan and the deep-concave wire coil; a handpiece is arranged on the engine base, upper couplers located on the handpiece are symmetrically arranged at the two sides of the handpiece and recede the position of the handle, and lower couplers on the engine base are matched with the upper couplers on the handpiece in position. Two heating regions are arranged, the planar heating region is arranged at the bottom, and the slope high-water-level stereoscopic heating region is arranged at the side. As the heating area is large, the temperature in the cup raises fast, heat convective circulation is accelerated, the soybean milk making time of the soybean milk machine is greatly shortened, soybean milk can be fast made through the soybean milk machine, the soybean milk making time is saved, and the soybean milk making period is greatly shortened.

The invention discloses an automatic anti-rear-end collision solar street light in rural foggy days. There is a power device inside, an alarm space is set on the right side of the reset space, an alarm device is set in the alarm space, and a fog lamp space is set on the upper side of the alarm space, which can automatically extract air at intervals to detect air pollution. fog concentration, and change the intensity of the light accordingly, so as to ensure that the light has enough intensity to penetrate the fog. At the same time, the light can be switched to red after the vehicle passes by, and the flashing speed of the light can be changed according to the elapsed time, thereby roughly improving the driver of the car behind. The distance of the vehicle in front, when there is a car passing the street light before the vehicle in front has reached the safe distance, the device can send out an alarm to remind the driver that there is danger.

The invention discloses a permanent magnetic device for low-voltage electrical apparatus characterized by that, a through bore is arranged on the permanent magnet, the upper shape of the bore is frustum, and the lower shape of the bore is column. The permanent magnetic bore according the invention is not equivalent to the mere column or frustum shape bore of the ring form permanent magnetic in that, the wall of the latter has magnetic attracting force, while the wall portion of the former has no or smaller magnetic attracting force.

The invention discloses a method for improving the dosage measurement accuracy of a powder inhalation administration device and belongs to the field of inhalation type administration instruments. A lower flow channel component is subjected to overall knock type vibration through a rotary table by using a vibration gear; meanwhile, a second vibration part namely an inner drug cylinder capable of being synchronously and freely vibrated is also arranged in a drug powder storage container, drug powder in the drug powder storage container is compositely vibrated, and a dual vibration effect is generated by using the structures of master and slave vibration parts, so that the drug powder in the drug powder storage container can more uniformly flow into a quantitative drug tank, the dosage measurement accuracy of a single dosage of drug powder provided by the drug powder storage container of the powder inhalation administration device in each administration process can be better ensured, and the good adaptability of the powder inhalation administration device to the types of drug powder in a larger range is improved. The method for improving the dosage measurement accuracy of the powder inhalation administration device can be widely applied to the fields of designing and manufacturing of the powder inhalation administration devices of various specifications.

The invention belongs to the technical field of electrostatic spinning, and relates to a device and a method for preparing an ultra-large area suspended nanofiber web. The device mainly consists of ahigh-pressure generating device, a liquid supply device and a spinning collecting mechanism. According to the device, the strength of the electric field can be changed by controlling a jet head to move freely in a plane; when the jet head is positioned directly above the suspension of an outer ring of a metal ring, the electric field strength is maximum at this time, and multiple jets can be sprayed under the action of a high-voltage electrostatic field; and when the jet head is positioned directly above the center of the circle, the electric field strength is weakened, which is beneficial tospinning in the center of the suspended nano web. The structure is simple, and the influence of the external electric field on the spinning process is further weakened as much as possible, so that thespinning process is uniformly distributed under the action of the whole electric field, and large-area spinning can be realized and controlled.