31results about How to "Counteract inertial force" patented technology

The present invention discloses a linear oscillation motor for a direct drive pump based on selfshield characteristic of Halbach array, which comprises the following components: a cylindrical outer stator, an inner rotor, permanent magnets, a supporting shaft, a coil winding, a linear bearing, resonance springs and an end cap. The inner rotor is provided in the outer stator. The inner wall of theouter stator is circumferentially provided with coil winding grooves. The inner rotor can perform oscillation motion in the outer stator. The outer wall of the inner rotor is provided with permanent magnets which are arranged according to a Halbach array arrangement mode. The inner part of the inner rotor is provided with the supporting shaft. Two ends of the supporting shaft are fixed with two ends of the outer stator through end caps. The linear bearing and two resonance springs are sleeved on the supporting shaft. The two resonance springs are provided at two ends of the linear bearing. The resonance springs and the linear bearing are relatively fixed with the inner rotor. After one end of the inner rotor passes through the end cap at the same end, connection with an outer executing mechanism through a spherical hinge joint. The linear oscillation motor has the following advantages: large output force in an axial direction, high utilization rate and compact integral structure.

In order to make it easy to install a tracking device for a photovoltaic system, in which a horizontal tracking device is positively coupled to a vertical tracking device by mechanical means, preferably two adjusting mechanisms are provided. One adjusting mechanism is used for rotationally moving an elevation element (22) about a vertical axis (6) relative to an anchoring element (14). The second adjusting mechanism is used for also rotationally moving two sections (36A, 36B) of a mast (16) about a vertical axis (6).

The invention discloses a feed tension stabilizing device for a central line of a zipper. The feed tension stabilizing device comprises a bracket, at least one transverse H-shaped barrel firmly arranged on the bracket, a line arranging mechanism and a drive mechanism, the line arranging mechanism is arranged above the transverse H-shaped barrel and capable of rotating relative to the transverse H-shaped barrel, a tension regulating mechanism is correspondingly arranged at one side of the line winding position of each transverse H-shaped barrel, the tension regulating mechanism comprises a guide rod, a compression spring arranged on the guide rod in a sleeve mode, and a regulating slide block propped against the downside of the compression spring, the regulating slide block is opened with a longitudinal line hole, and the central line is pulled out through the transverse H-shaped barrel, passes through the line hole from the bottom to top, and is dragged by the line arranging mechanism. The feed tension stabilizing device can guarantee that the regulating slide block power is balanced when dragging the central line, the central line tension is kept in a constant state as far as possible, and accordingly the irregular winding due to inconsistent tension is avoided, the braid product difference is reduced, and the product quality is improved.

The invention discloses a thermal conductivity film rewinding device. The thermal conductivity film rewinding device comprises an unwinding device and a winding device. The unwinding device comprisesan unwinding roller, a first supporting bracket and a base. Bearing plates are arranged at two ends of the unwinding roller in a matched mode. The bearing plates are fixed to the top end of the firstsupporting bracket by bolts. The base is welded to the bottom end of the first supporting bracket. The winding device comprises a first rolling shaft, a winding shaft and a second supporting bracket.The device is provided with a limiting element. The internally-provided second rolling shaft is attached to the winded thermal conductivity film. The thermal conductivity film is limited, meanwhile, layers of winded film are tightly attached together, and loosening and unwinding are prevented. The design is simple, and application is convenient. A first gear and a second gear are arranged. When amotor stops working, the unwinding roller can continue to work due to inertia, at this time, the first gear drives the second gear to rotate, in the absence of external motivation, due to mutual friction and resistance to a rotating shaft, the inertia is offset, and continuous rotating of the unwinding roller is avoided.

The invention discloses a high-strength PMSM (permanent magnet synchronous motor) rotor, and the rotor comprises a rotor punching sheet, wherein a plurality of U-shaped magnetic steel groove groups are arranged in the peripheral direction of the rotor punching sheet. Each U-shaped magnetic steel groove group comprises at least two U-shaped magnetic steel grooves which are arranged in the radial direction of the rotor punching sheet, wherein the U-shaped opening of each U-shaped magnetic steel groove backs on to the center of the rotor punching sheet. The rotor also comprises a magnetic non-conductive connecting part which is across the U-shaped magnetic steel grooves in the width direction of the U-shaped magnetic steel grooves, wherein the strength of the magnetic non-conductive connecting part is greater than the strength of the rotor punching sheet; and magnetic steels which are disposed in the U-shaped magnetic steel grooves. The setting of the magnetic non-conductive connecting part at the U-shaped magnetic steel grooves improves the structural strength of the rotor punching sheet at a magnetic bridge. When the rotor punching sheet rotates, the magnetic non-conductive connecting part can counteract a part of an inertia force, protects the rotor punching sheet from being broken at the magnetic bridge, cannot enable the magnetic leakage to be worse, and overcomes the conflict between the structural strength of the rotor punching sheet and the electromagnetic performances in the prior art.

An inertia force balance type two-dimensional piston air compressor is composed of a connecting plate, a transmission shaft, a guide rail, a balance guide rail, a piston shaft sleeve, a cross-shaped supporting rod, roller assemblies, a piston, a cylinder body and the like. The connecting plate is fixedly connected with the cylinder body through threads; the guide rail is fixedly arranged on a piston left side shaft, the balance guide rail is fixedly arranged on the piston shaft sleeve, the piston shaft sleeve can be sleeved on the piston left side shaft in an axial sliding mode, the cross-shaped supporting rod is fixedly arranged on the cylinder body, and the two groups of roller assemblies are fixed on the cross-shaped supporting rod through constraint of the guide rail and arranged in a90-degree staggered mode in the circumferential direction; one end of the guide rail and one end of the balance guide rail are equal-acceleration and equal-deceleration curved surfaces in the same shape and staggered by 90 degrees in the circumferential direction. The mass sum of a balance rotor composed of the balance guide rail and the piston shaft sleeve is equal to the mass sum of a rotor composed of the guide rail and the piston, and when the guide rail drives the rotor to perform equal acceleration and equal deceleration motion, the balance guide rail performs homodromous equal acceleration and equal deceleration staggered motion in the circumferential direction and reversed equal acceleration and equal deceleration staggered motion in the axial direction to counteract inertia forcegenerated by axial motion of the rotor.

The invention belongs to the technical field of glass door floor springs, and particularly relates to a glass door floor spring capable of being opened and closed by 360 degrees. The glass door floorspring comprises a door frame and a glass door. In the opening process of the glass door, under the action of a gear and a rack, the glass door can slide relative to the door frame to move inwards oroutwards and finally is attached to the side face of the door frame, the occupied space of the glass door after being opened is reduced, especially for a door close to a street, after the door is opened, the potential safety hazards of the glass door to passing pedestrians and vehicles are reduced, and meanwhile the glass door is protected. According to the glass door floor spring, the minimum section of internal circulation of a flow guide groove is adjusted by adjusting the length of a damping screw rod in the flow guide groove, then the resistance in the sliding process of a piston is adjusted, the rotating resistance of a cam can be adjusted by adjusting the damping screw rod, then the resistance of the glass door in the opening and closing process is adjusted, and the longer the length of the damping screw rod in the flow guide groove is, the larger the damping force is.

The invention relates to the technical field of glass door floor spring, in particular to a large-angle swing floor spring. The floor spring comprises a door frame and a glass door. After the glass door is opened 180 degrees, due to the inertia of the swing of the glass door, the glass door can hit the door frame or a wall, causing damage to the glass door. The floor spring designs a buffer block.The buffer block is used to offset the inertial force of the glass door to prevent the glass door from knocking down the door frame or the wall, causing damage to the glass door. By adjusting the length of a damping screw rod in a first guide groove and a second guide groove, the resistance in the sliding process of two pistons is determined, that is, by adjusting the damping screw rod, the resistance of the rotation of a cam can be adjusted, and then the resistance of the glass door in the process of opening and closing can be adjusted. The nested motion of a first sliding rod and a second sliding rod is designed, on the one hand, the installation space is reduced, and on the other hand, the motion stroke of a first return spring and a second return spring is reduced.

The invention discloses an arc surface two-time enveloping crown gear nutation transmission device. The arc surface two-time enveloping crown gear nutation transmission device is characterized by comprising a crossed roller bearing, a right end crown gear, a left end crown gear and a nutation crown gear. The crossed roller bearing comprises an inner ring and an outer ring which are in rolling connection, the inner ring is fixedly connected with the left end crown gear, and the outer ring is fixedly connected with the right end crown gear. The nutation crown gear is arranged between the right end crown gear and the left end crown gear, a tooth surface of the left end crown gear and a left tooth surface of the nutation crown gear form a left-side small tooth difference nutation conjugate meshing pair, and a tooth surface of the right end crown gear and a right tooth surface of the nutation crown gear form a right-side small tooth difference nutation conjugate meshing pair. The crown gears disclosed by the invention have continuous tooth surfaces which all participates in meshing, the abrasion of the tooth surfaces can be reduced, a lubricating oil film is easy to form, and the transmission efficiency of the arc surface two-time enveloping crown gear nutation transmission device is improved.

The invention discloses an electrically-driven double-acting vertical cutter system for an oilseed rape combined harvester. The electrically-driven double-acting vertical cutter system comprises a motor, an eccentric wheel, a limiting block and an eccentric shaft. A first gear is connected to the end of the motor and the motor is fixedly mounted on the box body. The box body is arranged at the outside the first gear. A second gear is installed inside the box body; and the eccentric wheel is fixed at the side of the second gear. The eccentric shaft is installed at the center of the second gear;a crank is connected with the outer side of the eccentric wheel; and a cutter base is installed at the bottom of the crank. The limiting block is fixed at the bottom of the box body. An upper blade and a lower blade are installed on the cutter base. The system has characteristics of fast cutting speed and small vibration. The blank area for oilseed rape harvesting is reduced; and the inertial force of the blade moving direction can be cancelled effectively. Moreover, the structure is simple; and the complex mechanical structure and hydraulic lines are avoided.

The invention relates to an anti-overturning cargo loading platform device of a high-speed rail annular vehicle. The anti-overturning cargo loading platform device comprises a cargo loading trolley and a rail; the cargo loading trolley comprises a trolley frame and a rotatable platform which is installed on the upper side of the trolley frame and rotates around the middle of the trolley frame; themiddle of the rotatable platform is connected with a gear assembly located in the middle of the lower end of the trolley frame; a push rod is movably installed on one side of the gear assembly, the inner side end of the push rod is connected with one end of a spring, and a rack part engaged with the gear assembly is arranged on one side of the push rod; the upper side of the rotatable platform isprovided with a cargo loading plate of which one end is hinged to one end of the rotatable platform; one end of a hydraulic cylinder is arranged on the lower side of the cargo loading plate, and theother end of the hydraulic cylinder is connected with one end of a push-pull rod; and the other end of the push-pull rod is provided with a wedge block, and the wedge block makes contact with a jacking wheel on the lower side of the other end of the cargo loading plate. The anti-overturning cargo loading platform device is simple and reliable in structure, the cargo loading platform does translational motion along the ground after the trolley enters the curve, cargo overturning when the trolley runs at the curve is prevented, and cargo overturning in the acceleration and deceleration processesis prevented.

The invention relates to the technical field of biotechnology microbial fermentation and discloses biological energy regeneration equipment based on a differential pressure principle. A shell is included; a fermentation tank is movably connected to an inner portion of the shell; suction pipes are movably connected to two side surfaces of the fermentation tank; an airflow groove is arranged in eachsuction pipe; a torsion spring is movably connected into the airflow groove; a right side of the torsion spring is movably connected with a connecting shaft; and a pull rope is movably connected to the surface of the torsion spring, an air supply frame is movably connected to one end, away from the torsion spring, of the pull rope, a feeding piece is movably connected to the surface of the pull rope, a spring rod is movably connected into the air supply frame, a toothed plate is movably connected to an upper end of the spring rod, and spring plates are movably connected to the two sides of the toothed plate. At the moment, a downward moving distance of the toothed plate can be amplified by the extruded spring plates so that the fermentation tank moves at a micro frequency between tightening and loosening of the pull rope, and an effect of slightly shaking the fermentation tank by utilizing a differential pressure relationship to help microorganisms work is achieved.

The invention discloses an IMU-based multi-link vehicle seat inclination angle compensation platform, and the platform comprises an upper supporting plate which is fixed at the bottom of a vehicle seat; a lower supporting plate which is fixed on a bottom plate of the vehicle; a first driving unit which is connected between the upper supporting plate and the lower supporting plate and located on the front side and / or the rear side of the vehicle seat; a second driving unit which is connected between the upper supporting plate and the lower supporting plate and located on the left side and / or the right side of the vehicle seat; a swing supporting assembly which is arranged in the middle of the upper supporting plate and the lower supporting plate; and a control unit which is connected with the first driving unit and the second driving unit. The angle posture of the vehicle seat can be actively adjusted, inertia force generated by vehicle movement is counteracted, the driving comfort is improved, and danger is reduced.

The invention discloses a double-row parallel asynchronous high-speed transplanting method for rape pot seedlings. A transplanting operation is implemented by adopting an asynchronous parallel double-row rape pot seedling transplanting machine. According to the asynchronous parallel double-row rape pot seedling transplanting machine, a left machine frame and a right machine are arranged on the twosides of a power driver; a left planter, a furrow opener which is used for opening a planting groove in a soil surface, a left soil holder and a seedling guider which is used for transferring the rape pot seedlings are arranged in the left machine frame; a right planter, a furrow opener which is used for opening a planting groove in a soil surface, a right soil holder and a seedling guider whichis used for transferring the rape pot seedlings are arranged in the right machine frame; the left planter and the right planter are arranged at a mounting angle of 180 degrees and are arranged in a manner of being staggered at half plant spacing; the left soil holder and the right soil holder are arranged at a mounting angle of 180 degrees; the asynchronous parallel double-row rape pot seedling transplanting machine is used for realizing asynchronous double-row parallel high-speed transplanting, and meets existing planting behaviour and agronomic requirement; and uniform row spacing and plantspacing facilitate lighting and ventilating, and are beneficial to improving the yield and the quality of crops.

The invention discloses a rail traffic dynamic map platform control device. The device comprises a bottom box and a drive box, the top of the bottom box is provided with the drive box, the top of thedrive box is provided with a worktable, a motor is mounted at one end of the bottom face inside the bottom box, when a cam and a round shaft accidently fall off, a long plate falls downwards, a cushion block below a buffer rod makes contact with the ground, the buffer rod moves towards the interior of a buffer box, a spring exerts elastic force to a check block, inertia force of descending of thelong plate can be offset, breaking of a rail traffic dynamic map displayer can be avoided, and accidental losses can be reduced. When a sliding rod moves to the side away from the motor, the inner wall of the other end of a rectangular groove is in contact with a third transmission shaft, the sliding rod is controlled to rotate towards the direction again, firmness of the sliding rod is improved,the moving position of a rail traffic dynamic map on a mounting plate is controlled, and through control moving of the displayer, a worker can conveniently carry out control observation with monitoring screens.

The invention provides a construction engineering steel pipe transportation tool, and relates to the technical field of steel transportation. The construction engineering steel pipe transport tool comprises a carriage plate, two symmetrically-arranged protective anti-collision side plates are fixedly connected to the two sides of the upper surface of the carriage plate, and a steel pipe transport box is arranged at any side position between the two protective anti-collision side plates; a top power protection box is arranged on the side, away from the steel pipe conveying box, of the upper surface between the two protection anti-collision side plates, an L-shaped fixed supporting plate is fixedly connected to the side, away from the steel pipe conveying box, between the two protection anti-collision side plates, and the lower surface of the top power protection box is fixedly connected with the upper surface of the fixed supporting plate. Limiting sliding grooves are formed in the lower positions of the sides, away from the top power protection box, of the inner sides of the two protection anti-collision side plates. The problems that the truck is damaged and drivers and passengers are injured due to the fact that the truck is braked suddenly when an emergency occurs can be effectively solved, and steel pipe transportation is safer.

The invention discloses a double-row parallel asynchronous high-speed transplanting method for rape pot seedlings. A transplanting operation is implemented by adopting an asynchronous parallel double-row rape pot seedling transplanting machine. According to the asynchronous parallel double-row rape pot seedling transplanting machine, a left machine frame and a right machine are arranged on the twosides of a power driver; a left planter, a furrow opener which is used for opening a planting groove in a soil surface, a left soil holder and a seedling guider which is used for transferring the rape pot seedlings are arranged in the left machine frame; a right planter, a furrow opener which is used for opening a planting groove in a soil surface, a right soil holder and a seedling guider whichis used for transferring the rape pot seedlings are arranged in the right machine frame; the left planter and the right planter are arranged at a mounting angle of 180 degrees and are arranged in a manner of being staggered at half plant spacing; the left soil holder and the right soil holder are arranged at a mounting angle of 180 degrees; the asynchronous parallel double-row rape pot seedling transplanting machine is used for realizing asynchronous double-row parallel high-speed transplanting, and meets existing planting behaviour and agronomic requirement; and uniform row spacing and plantspacing facilitate lighting and ventilating, and are beneficial to improving the yield and the quality of crops.

The invention discloses a cutter constant-speed device and belongs to the technical field of grating ruling machinery. The cutter constant-speed device aims at solving the problem that processing accuracy is difficult to ensure in the existing grating ruling process and lots of transmission errors can be caused due to a complex transmission mechanism and can achieve grating ruling with different widths. The cutter constant-speed device comprises two cutter constant-speed mechanisms which are separately arranged on two opposite surfaces of a substrate, the cutter constant-speed mechanisms can move in a reciprocating mode under the driving of constant-speed cams, one end of a swinging rod is connected with a first push rod, the other end of the swinging rod is connected with a second push rod, the swinging rod can swing in a reciprocating mode under the driving of the first push rod, the relative position of an adjusting knob on the swinging rod can be changed, and the moving distance specific value of the first push rod and the second push rod can be changed by changing the position of the adjusting knob on the swinging rod. The cutter constant-speed device ensures constant-speed motion of a scribing cutter bridge, can conveniently adjust moving distance of a scribing cutter by adjusting the position of the knob on the swinging rod and does not need to change the structure of the cutter constant-speed mechanisms and replace elements.

The invention relates to the technical field of textile equipment, and discloses a cloth winding mechanism capable of preventing cloth from loosening. The mechanism comprises a winding roller, a clamping block is movably mounted in the winding roller, a rotating seat is movably mounted in a cavity of the winding roller, a friction block is movably mounted in the rotating seat, an air hole is formed in the rotating seat, and transmission rods are fixedly mounted at the two sides of the rotating seat. Through the arrangement of an airflow fan and a pressing rod, when the airflow fan extracts air in a cavity where the friction block is located, the airflow fan can synchronously extract air in a cavity where the pressing rod is located, then the pressing rod moves downwards, the downwards-moving pressing rod is used for fixing cut cloth, the end of the cloth is prevented from being shaken, meanwhile, due to the fact that the airflow fan continuously extracts the air in the cavity where the pressing rod is located, the pressing rod continuously applies clamping force to the winding roller, the inertia force of the winding roller is further counteracted, and the situation that the winding roller drives the cloth to conduct inertia swinging, and the winding effect of the cloth is affected is avoided.

The invention discloses a heat conduction film rewinding device, an unwinding device and a rewinding device. The unwinding device includes an unwinding shaft, a first support frame and a base. Bearing plates are provided at both ends of the unwinding shaft. The bearing plate is fixed on the top of the first support frame by screws, the bottom end of the first support frame is welded with a base, and the winding device includes a first rolling shaft, a winding shaft and a second support frame. Components, the built-in second rolling shaft is attached to the rolled-up heat-conducting film, and at the same time it is limited, so that each layer of the rolled-up film can be tightly attached together to prevent it from loosening and unfolding. The design is simple, Convenient and practical, the present invention sets the first gear and the second gear. After the motor stops working, the unwinding shaft will continue to rotate due to inertia. At this time, the first gear drives the second gear to rotate without external power. The resistance of the friction and resistance rotating shaft offsets the inertial force brought, thereby avoiding the continuous rotation of the unwinding shaft.

The invention discloses a removable multi-angle and multi-blade spiral shock-absorbing functional sole. The sole includes an upper sole, a middle sole and a lower sole. The sole is characterized in that the sole further includes a first spiral block and the first spiral block is detachably embedded in a first open hole of the lower sole corresponding to the position of a sole of a foot. The functional sole of the invention greatly reduces impact force of the ground on heels by the action of a spiral structure during a walking process. After data detection, about 15%-20% of the impact force isoffset, which depends on constitution of individuals. A deformation force of the spiral structure has an external rotation (internal rotation) force on the foot walking, which counteracts inward (outward) inertial force of a person during walking, thereby making a walking posture is more in line with human walking habits.