82results about How to "No motion interference" patented technology

The invention relates to an automatic generating system which uses the vehicle decelerating plate or decelerating belt, wherein it comprises: a decelerating plate or decelerating belt, non-liner spring, transmission device, generator and a frame; said transmission device comprises a tooth rod whose top via hinge and decelerating plate or belt to realize movable connection, the tooth bar at the end of tooth rod, a ratchet meshed with tooth bar, the gear couple coaxially arranged with ratchet, and a generator; the upper part of frame is the decelerating plate or the decelerating belt embed chamber; the middle part is the tooth rod motion guide chamber; and the lower part is the generating accumulating chamber. The invention can effectively utilize the energy consumed by decelerating plate, to generate electricity. And the flexible system is mounted under the decelerating plate, to improve the safety and service life of vehicle.

The invention provides a pole-changing positioning mechanism and a pole-changing positioning method for a multi-pole deep lunar soil sampler. The pole-changing positioning mechanism comprises a clamping mechanism and a pole-changing mechanism, wherein the clamping mechanism comprises a support mechanism at the lower end, a guide mechanism at the upper end and a central rotating shaft. The support mechanism at the lower end comprises a cylindrical clamp, a tension spring, a rotating shaft of the cylindrical clamp, a clamp rotating disc, a bolt A and a nut A; the guide mechanism at the upper end comprises a guide handle, a screw A, a guide rotating disc, a bolt B and a nut B; and the pole-changing mechanism comprises a positioning sliding block A, a positioning sliding block B, the rotating shaft of a lever frame, a pivot bracket, a return spring, the lever frame, a screw B, a pivot rotating shaft and a gear case. The pole-changing positioning mechanism has simple structure and low energy consumption, and can simplify the control process; simultaneously, the pole-changing positioning mechanism can solve the motion interference problem during pole-changing positioning, lead a drill rod to realize complete drilling down and achieve the desired sampling depth.

The invention relates to a leg linkage mechanism of a quadruped robot. The leg linkage mechanism is characterized in that a thigh assembly, a shank assembly and a hip driver are included, the thigh assembly, the shank assembly and the hip driver are connected respectively through connecting rods to from the leg linkage mechanism of the robot, and the connecting rods comprise a thigh swing connecting rod, a shank swing connecting rod and a hip swing connecting rod; the thigh assembly comprises thighs and a thigh driving oil cylinder 3, one end of the thigh swing connecting rod is in pin joint with the thigh driving oil cylinder, the other end of the thigh swing connecting rod is respectively in pin joint with the shank swing connecting rod and the hip swing connecting rod, the other end of the shank swing connecting rod is connected with the shank assembly, and the other end of the hip swing connecting rod is connected with the hip driver. The leg linkage mechanism has the advantages that under the condition that only two leg drivers are arranged, leg motions of tetrapods in the natural world can be simulated, in the lying-down and standing-up process, thigh drivers in the thighs can synchronously extend or contract, feet are driven to move up and down, and the motion interference phenomenon does not exist between the legs.

The invention provides a gripping-shearing-grabbing multi-functional engineering accessory applying a single-degree-of-freedom deformation mechanism. The gripping-shearing-grabbing multi-functional engineering accessory is of a symmetric structure, and comprises a gripping-shearing device, a holding-grabbing device and a separation-deformation device, and further comprises two hydraulic cylinders,a base, two separation bases, a driving hydraulic cylinder, hydraulic scissors, holding-grabbing connecting rods, holding-grabbing claws, separation connecting rods, base guiding rods, base sliding blocks, separation sliding blocks, first connecting rods, second connecting rods and separation sliding block rail grooves. The gripping-shearing-grabbing multi-functional engineering accessory provided by the invention has the beneficial effects that by utilization of a double-sliding-block mechanism, the relative movement between the holding-grabbing device and the gripping-shearing device is achieved; the switchover from the gripping-shearing device to holding-grabbing device is quickly completed; furthermore, the working requirements are met in all the working states; and no motion interference is caused.

The invention relates to a Roots pump rotor with an offset main arc and a splayed top. The valley conjugate arc segment of the main arc segment and the valley avoidance arc segment corresponding to the fan point are composed of 5 parts connected end to end, in which the radius of the starting point of the offset main arc exceeds the peak node; the end point of the offset main arc segment is the rotor The node of the vice; the peak weight reduction arc segment is uniquely determined by the three conditions of passing the fan point and the starting point of the offset main arc segment and tangent to the radius line of the fan point; the valley avoidance arc segment is determined by the conjugate arc segment of the valley passing The three conditions of the end point, the valley point and the center of the circle are uniquely determined on the valley axis, so that the center of gravity of the rotor blade is biased towards the valley, lower radial leakage and larger rotor shape factor.

The invention relates to a pipe-bending machine. A push-to-convey device used for conveying a pipe is arranged on a machine frame; a pair of pipe-bending shafts are arranged on the left side of the push-to-convey device; a pipe-bending wheel which can rotate around each pipe-bending shaft is respectively arranged on the pipe-bending shaft; an arc groove matched with the pipe in diameter is formed in the peripheral surface of each pipe-bending wheel; a limit base is fixedly arranged on the right side of each pipe-bending shaft; two semicircular positioning grooves are formed in the front and back of the left side of each limit base and is used for respectively limiting the pair of pipe-bending shafts; a round disc I suitable for eccentric rotation is arranged below the pipe-bending shafts; when the round disc I eccentrically rotates, one of the pair of pipe-bending shafts serves as an axial center, and one pipe-bending wheel rotates around the other pipe-bending wheel, so that the pipe between the pair of pipe-bending wheels is bent.

The invention discloses an assembling method of an aero-engine. The assembling method of the aero-engine includes steps as follows: step 1: a core engine is assembled; adjustable clamping and connecting devices are utilized during mounting; assembling requirements of the whole engine and engines in different outer diameters can be met simultaneously through clamping and connection of an intermediate case and an auxiliary assembling platform; step 2: a conveying assembly is assembled, a core engine combined unit is used as a base, low-voltage components such as a fan and the like are butt-jointed to high-voltage components of the core engine according to a vertical assembling scheme, and a diffuser, a thrust cylinder, a nozzle and the like are mounted according to a horizontal assembling scheme; step 3: a final assembly is assembled, an accessory gearbox, external accessories, pipelines and cables are mounted according to a horizontal assembling scheme. According to the assembling method of the aero-engine, through application of the adjustable clamping and connecting devices, adjusting operations for three spatial attitudes including vertical lifting, pitching overturning and axisrotation which are required during assembly of the aero-engine can be integrated into one organic connection whole.

The invention belongs to the technical field of new energy power generation application, and discloses a small-scale offshore fishing boat anchoring environment-friendly combined power generating device. The small-scale offshore fishing boat anchoring environment-friendly combined power generating device comprises an H-shaped vertical shaft fan. The H-shaped vertical shaft fan is fixed at the top end of a fan fixing bracket and is connected with a silicon rectifier direct-current power generator shaft. A silicon rectifier direct-current power generator is connected with a vertical shaft water wheel shaft. A vertical shaft water turbine is fixed at the bottom of a floating boat through a water turbine bearing and a water seal. According to the small-scale offshore fishing boat anchoring environment-friendly combined power generating device, by using offshore rich wind force and tide resources, the vertical shaft fan and the vertical shaft tide water turbine are connected with the direct-current generator to generate power in series through a single-way gearing, a solar photovoltaic panel is installed at the top of a compartment to serve as a combined power generating system of assisting power generating, and design of a control circuit fully considers safe storing of high voltage and an automatic control device of a storage battery insufficient voltage state produced by instantaneous wind and big wave.

The invention discloses a production line for automatically positioning, rubberizing, encapsulating, forming and cutting a braid capacitor and a production process thereof. The production line comprises a material groove, a material pushing mechanism, a positioning mechanism, a rubber guiding and rubberizing mechanism, a rubber coating mechanism, forming mechanisms and cutting mechanisms, whereinthe material groove is of a strip structure; the pushing mechanism is arranged at the lower portion of the material groove in the direction of the material groove; the positioning mechanism is arranged at the side of the material groove; the rubber guiding and rubberizing mechanism is arranged on the outer side of the positioning mechanism; the rubber coating mechanisms are arranged at the front side of the rubber guiding and rubberizing mechanism at intervals; the forming mechanisms are arranged at the front side of the rubber coating mechanism at intervals; and the cutting mechanisms are arranged at the front sides of the forming mechanisms at intervals. The production line for automatically positioning, rubberizing, encapsulating, forming and cutting a braid capacitor and the productionprocess thereof achieve the automatic positioning of the capacitor pin and the body; the gummed paper is sucked and attached through a rubberizing component and is rolled to the side wall of a capacitor; after the height of the capacitor is positioned through the height limiting component, pin forming is performed, and the pin forming distance is ensured; the capacitor pin is positioned through the pin positioning component, and after the prepressing pin of the prepressing block is cut off by the pin, the pin and the braid are synchronously cut off.

The invention discloses a hyper-redundant snakelike robot driving device which is characterized by comprising a structural framework and n groups of driving components, wherein n is greater than 8; the driving components comprise driving motors and transmission devices; the driving motors and the transmission devices are mutually connected; the n groups of driving components are divided into an inner layer and an outer layer which are arranged around the central axis of the structural framework; the distances from all the groups of driving components positioned on the inner layer to the central axis are the same; the distances from all the groups of driving components positioned on the outer layer to the central axis are the same; the driving components on the inner layer and those on theouter layer are arranged in a staggered manner along the circumferential direction; and n can further be equal to 36, that is, the n groups of driving components can be divided into 12 groups of driving components on the inner layer and 24 groups of driving components on the outer layer. According to the hyper-redundant snakelike robot driving device disclosed by the invention, both the driving motors and the transmission devices adopt the structural mode of inner and outer double-layer arrangement, so that the outline dimension of the hyper-redundant snakelike robot driving device can be greatly reduced under the circumstances of the same load and the same number of joints, and great significance can be brought to the miniaturization of the hyper-redundant snakelike robot driving device.

Disclosed is a multi-connecting-rod independent suspension for a drive axle of a commercial vehicle. The multi-connecting-rod independent suspension for the drive axle of the commercial vehicle comprises an auxiliary vehicle frame assembly used for being connected with vehicle frame longitudinal beams, an upper longitudinal pulling rod assembly, an upper horizontal pulling rod assembly, a lower horizontal pulling rod assembly, a stable pulling rod assembly, an absorber spring assembly and a bearing base assembly. The auxiliary vehicle frame assembly mainly comprises an auxiliary vehicle frame with a structure of double longitudinal beams and double horizontal beams. The auxiliary vehicle frame comprises an auxiliary vehicle frame front horizontal beam, an auxiliary vehicle frame back horizontal beam and an auxiliary vehicle frame longitudinal beam. The upper longitudinal pulling rod assembly mainly comprises upper longitudinal pulling rods. The upper horizontal pulling rod assembly mainly comprises upper horizontal pulling rods. The lower horizontal pulling rod assembly mainly comprises lower front horizontal pulling rods and lower back horizontal pulling rods. The stable pulling rod assembly mainly comprises stable pulling rods and stable pulling rod connecting bosses. The absorber spring assembly mainly comprises absorbers and springs. The multi-connecting-rod independent suspension for the drive axle of the commercial vehicle has the enough bearing capacity, the comfort performance and stability of the vehicles are improved, the weight of the drive axle is greatly reduced, the fuel oil economy is improved, the space layout can met the electrification demands of the commercial vehicle, and geometric deformation of the suspension does not happen under the extreme load.

The invention relates to a push lifting device, which is arranged under a mahjong outlet on each side of a mahjong machine, comprises a rack, a mahjong storage tank, a mahjong push plate, an inner mahjong bearing plate, an outer mahjong bearing plate, a first rocker arm, a horizontal transmission shaft and a vertical transmission shaft, and also comprises a transmission second rocker arm and a crank-link mechanism. The mahjong storage tank is connected to the rack in a mode of moving up and down; the inner mahjong bearing plate and the outer mahjong bearing plate are respectively arranged on the inner side and the outer side of the mahjong storage tank; the axial positions of the horizontal transmission shaft corresponding to the inner and outer mahjong bearing plates and the mahjong storage tank are respectively connected with the first rocker arm and the second rocker arm; and the vertical transmission shaft is in transmission connection with the crank-link mechanism which is connected with the mahjong push plate. The action that two rows of mahjong are pushed to corresponding mahjong bearing plates is realized by utilizing the mahjong pushing and resetting functions of the mahjong push plate by steps, and the action characteristic makes the push lifting device suitable for eight-port mahjong machines and four-port mahjong machines; and because the mahjong pushing actions onthe two sides are not performed synchronously, the motion interference cannot occur.

The invention discloses a device for releasing a falling body prism of an absolute gravimeter, comprising a vacuum cabin, a lower bracket plate, a linear motor, an upper bracket plate, a latch chamber, an electromagnet, a spring, a steel ball, a hanging nail, the falling body prism, a guide rod, a buffer spring, a support vehicle and a perspective window mirror, wherein the electromagnet and the spring are contained in the latch chamber; the steel ball is arranged at the inner bottom of the latch chamber; the bottom of the latch chamber is a concave slope and an opening is arranged in the middle of the bottom of the latch chamber; the spring is clamped between the electromagnet and the steel ball; and the steel ball is in contact with the bottom of the latch chamber. The latch chamber, the spring, the steel ball and the electromagnets are used as clamps so as to play roles of clamping and releasing the falling body prism of the gravimeter; and the device is good in anti-fatigue characteristic, stable and rapid in releasing, durable, free of great interference of mechanical movement in the falling process of the falling body prism and beneficial to the high-precision gravity measurement.

The invention discloses a pair of half-hidden movable holding claw hydraulic tongs based on a spatial four-bar mechanism, and belongs to the field of multifunctional engineering accessories. The pairof half-hidden movable holding claw hydraulic tongs based on the spatial four-bar mechanism comprises a machine frame (1), two working hydraulic cylinders (2), four holding claws (3), four locating guide sleeves (4), four cylindrical cams (5), four movement conversion sliding blocks (6), four functional connecting rods (7), two tongs shear bases (8) and two functional hydraulic cylinders (9). Thepair of half-hidden movable holding claw hydraulic tongs based on the spatial four-bar mechanism is high in integration level and simple in structure, the purpose that the breaking function, the shearing function and the holding claw function are fulfilled in the mode that only one engineering accessory is adopted is achieved, and a labor-saving structure of an existing pair of hydraulic breakingtongs is reserved; and the conversion of a tongs shear device and a holding claw device can be rapidly accomplished by the spatial four-bar mechanism, the working requirements are met in the various working states, and the movement interference does not happen.

The invention discloses a method for measuring temperature of a polymer melt on a screw rod surface. The method comprises the steps as follows: a radial measurement hole is formed in a to-be-measured region of a to-be-measured hollow screw rod of screw rod type polymer processing equipment; a temperature sensor is arranged in the formed measurement hole; a signal wire of the temperature sensor is led out from a power input end of a to-be-measured hollow screw rod and is connected to a signal conversion and transmission box; when a machine runs, the temperature sensor transmits a temperature signal to a signal receiver on an external data collection system in an electromagnetic wave form through the signal conversion and transmission box; and automatic collection of the temperature signal of the polymer melt on the screw rod surface is achieved. Through adoption of the method disclosed by the invention, the defect in the existing temperature measurement technology that the temperature of the melt on the screw rod surface is difficult to measure at the working speed can be overcome; and a new way is provided for real-time monitoring of the melt temperature in the screw rod type polymer processing equipment.

The invention discloses an eight-shaft device for tracting a locomotive. The device adopts the BOBO-BOBO shaft mode, namely, each locomotive is provided with a front steering frame and a rear steering frame, wherein each steering frame comprises two BO type steering frames, a tracting seat is fixed under a locomotive body, and a group of single tracting rods and a group of double-traction rods are arranged on the tracting seat and are connected with the end beams of the two steering frames; and the tracting seat has the structure that the bottom surface is provided with three lifting lugs which are respectively connected with the tracting rods by globe joints, each single tracting rod is connected with the end beam of the leftwards rotatable steering frame, and the double-traction rods are connected with the end beam of the rightwards rotatable steering frame. The structure of the device has reasonable arrangement in the premise that the space of each steering frame is compact and simple; and the device does not generate movement interference, shaft load transfer is reduced when the dynamic performance of each steering frame is guaranteed, and the requirement of starting tractive force can be satisfied.

The invention belongs to the technical field of automobile chassis, and relates to a front air suspension with a low chassis and an automobile. The front air suspension comprises an air spring, a longitudinal rod integrated stabilizer bar, a lateral propelling rod, and an oscillating damper; the air spring is arranged at the lower side of a vehicle frame, and arranged on a front shaft through an air spring lower integrated support; the two ends of the longitudinal rod integrated stabilizer bar are connected with the air spring lower integrated support, and the middle of the longitudinal rod integrated stabilizer bar is assembled with a connecting bracket; the lower end of the oscillating damper is connected with the air spring lower integrated support, and the upper end of the oscillatingdamper is connected with the vehicle frame; and the left end of the lateral propelling rod is connected with the air spring lower integrated support, and the right end the lateral propelling rod is connected with a vehicle frame connecting bracket. The automobile comprises the front air suspension with the low chassis. The front air suspension with the low chassis involved in the invention solvesa problem that a conventional four-rod structure is difficult to be arranged in a low-chassis vehicle model, reduces weight, lowers cost, effectively improves the local anti-roll capacity of the vehicle frame, can realize driving in the state that a height of the vehicle frame above ground is 800 mm, simultaneously reduces air resistance and center of gravity, and synchronously improves oil consumption and dynamic properties.

The invention belongs to the technical field of robots, and relates to a motion decoupling parallel drive type exoskeleton robot ankle joint. The motion decoupling parallel drive type exoskeleton robot ankle joint comprises an ankle joint drive assembly and a foot support assembly. The ankle joint drive assembly comprises a shank rod, a flexion and extension drive assembly and an inward and outward turning motion assembly. The shank rod is hinged to the foot support assembly. The flexion and extension drive assembly and the inward and outward turning motion assembly are arranged on the shank rod and drive the foot support assembly to conduct flexion and extension motion and inward and outward turning motion correspondingly. According to the motion decoupling parallel drive type exoskeleton robot ankle joint, a motion decoupling parallel drive structure of the motion decoupling parallel drive type exoskeleton robot ankle joint has the characteristics of two rotation freedom degrees, good structural rigidity, high overall gravity center and small foot end inertia, ankle joint active motion assistance of two freedom degrees of dorsiflexion / plantar flexion and inward turning / outward turning is achieved, and the wearing comfort, motion flexibility and stability of the human body are improved.

The invention discloses a household kitchen garbage cutting and compacting device and method. The household kitchen garbage cutting and compacting device comprises a base, a compacting container arranged on the base, left and right water pressure plunger cylinders arranged on the two sides of the compacting container and a single-acting water pressure cylinder arranged above the compacting container. A water pressing plate is arranged in the single-acting water pressure cylinder, a pressing rod is arranged at the lower end of the water pressing plate, and under the effect of water pressure in the single-acting water pressure cylinder, the water pressing plate drives the pressing rod to move vertically. A cutting and pressing block used for pressing kitchen garbage into the compacting container is arranged at the end of the pressing rod. Under the telescopic motion of piston rods of the left and right water pressure plunger cylinders of the compacting container, the compacting container reciprocates between the initial position and the left water pressure plunger cylinder. Based on the principle of transmitting pressure just through household tap water, cutting, compacting, falling and other motions are completed; and no other power source is needed, and therefore the household kitchen garbage cutting and compacting device is simple and practical.

The invention relates to a reciprocating swing type four point contact ball rotating disk bearing. The rotating disk bearing which comprises an outer ring, an inner ring and steel balls is characterized in that: the outer ring and the inner ring are respectively formed by connecting two parallel line segments and two arc segments, two arc segments are respectively positioned on and connected withtwo ends of each line segment, joints are smooth arc transitions, the curvature of the arc segments of the outer ring is equal to the curvature of the arc segments of the inner ring, and the angle ofthe arc segments of the inner ring is less than the angle of the arc segments of the outer ring; the arc segments of the outer ring and the arc segments of the inner ring are provided with a peach-shaped raceway, steel ball socket blocks, a spring, a limiting block, and a spring containing block are arranged in the raceway, and the steel balls on the raceway are arranged on the arc segment between the steel ball socket blocks on two ends. The rotating disk bearing which has the advantages of simple structure and novel conception allows the rotating movement angle of the steel balls to be limited after that a work system moves, so the limiting block allows the limiting angle position of the steel ball movement to be guaranteed; and the angle of the arc segments of the outer ring is greaterthan the angle of the arc segments of the inner ring, so the low angle range swinging of the inner ring does not allow the movement interference to appear.

The invention provides an integrated multifunctional pincers shearing and expansion engineering tool using a double-sliding-block deformation mechanism, and particularly belongs to multifunctional engineering tools. The integrated multifunctional pincers shearing and expansion engineering tool has the advantages that a pincers shearing device A, expansion device B and deformation device C of the double-sliding-block deformation mechanism are used, the working requirements are met under various working states, and the motion interference does not occur.

The invention discloses a bridge span vertical foldable floating bridge, and belongs to the technical field of floating bridges. The floating bridge comprises over two modular floating bridge units, a bank-connecting springboard, anchoring systems and an electric control system, wherein the modular floating bridge units are fixedly connected in sequence; the modular floating bridge unit positioned at the width middle position of a river is fixed through a locking device; after the modular floating bridge units are fully unfolded, a floating bridge main body crossing the river is formed; after the modular floating bridge unit on the bank side is overlapped with the bank-connecting springboard, a complete floating bridge is formed; the floating bridge main body is folded in sequence from the modular floating bridge unit on which the locking device is arranged, and a channel can be opened for a ship to run after folding is finished; each modular floating bridge unit is correspondingly connected with one set of anchoring system; the electric control system is used for controlling the folding and unfolding actions and action sequence of the modular floating bridge units. The bridge span vertical foldable floating bridge can be folded rapidly from the center of the floating bridge to both shores, and the floating bridge can be rapidly unfolded to restore the original shape after the channel is opened for the ship to run.

The invention discloses a three-axis robot and an arm and using method thereof and belongs to the field of robots. By the adoption of the three-axis robot and the arm and using method thereof, the problems that an existing assembling and transferring robot is complex in structure, large in size and high in manufacturing cost are solved. The arm comprises a main frame, a servo motor and a lifting arm arranged at the end of the main frame. A sliding groove is formed in the end of the main frame. A turning wheel and a pulling-up arm are arranged in the middle of the main frame. The lifting arm is arranged in the sliding groove. One end of the pulling-up arm and the center of the turning wheel are both connected with the main frame through a hinge pin. The pulling-up arm and the turning wheel can rotate relative to the main frame around the hinge pin. An eccentric column is arranged on the turning wheel. A first sliding groove is formed in the end of the pulling-up arm, and a second sliding groove is formed in the middle of the pulling-up arm. The eccentric column is arranged in the second sliding groove. The lifting arm is provided with a first protrusion, and the first protrusion is arranged in the first sliding groove. The servo motor is fixedly connected with the hinge pin at the center of the turning wheel. The three-axis robot can replace the existing assembling and transferring robot which is complex in structure to achieve the effects of improving the production efficiency and reducing the production cost.

The invention discloses a circumference coupled planet synchronous rotating piston pump. The circumference coupled planet synchronous rotating piston pump comprises a pump body, a secondary rotor A, amain rotor, a front cover plate, a back cover plate, a planet synchronous gear module, an outlet and an inlet; and the main rotor is of a circular structure and provided with a main rotor blade. Through arrangement of the planet synchronous gear module, the wear is lower; a planet wheel of a planet gear continuously moves, so that the engaged positions of the gear of the planet wheel and an outergear ring during each coupling of the main and secondary rotors are different, the wear positions are different, the wear is uniformly distributed on the whole gear module, and the total wear of theplanet synchronous gear module is lower; in a non-coupling state, the main rotor and the secondary rotor are in circumference contact, the peripheral stress of the secondary rotor is zero, and the load of the synchronous gear module is zero, so that no wear is generated, and the service life is long; and the device can serve as a rotor pump, and can be reversely used as a hydraulic motor and a pneumatic motor.

The invention discloses an inchworm-imitating piezoelectric rotary driver, which comprises output shafts, clamping and pretightening bolts, clamping and pretightening rings, restoring springs, annular clamping piezoelectric stacks, driving piezoelectric stack holders, driving arms, driving piezoelectric stacks, driving and pretightening blocks, driving and pretightening bolts and a base; the characteristic of rack-gear transmission is imitated by the driving piezoelectric stacks and the driving arms, one end of each driving piezoelectric stack is machined into the shape of the rack tooth profile, the surface of each driving arm, which is in contact with the driving piezoelectric stack, is machined into the shape of the gear involute profile, and such contact surfaces ensure that the driving units do not have motion interference, so that driving is more accurate; the annular clamping piezoelectric stacks are adopted as clamping units, rotational clamping is realized by extending both ends of each annular clamping piezoelectric stack and utilizing the static friction force between the planes, the clamping area is large, moreover, the contact between the clamping surfaces is sufficient, and high-precision and high-load output can be realized.

The invention discloses a lateral encapsulating type capacitor automatic forming production line and a production process thereof. The lateral encapsulating type capacitor automatic forming productionline comprises a trough, a pushing mechanism, a bending mechanism, a gum guiding and pasting mechanism, a gum scraping and pressing mechanism, a push-straightening mechanism and a cutting mechanism.The trough is formed in a machine table in the linear direction. The pushing mechanism is arranged below the trough in the trough direction. The bending mechanism is arranged on the side portion of the trough, and the upper portions of capacitor pins are bent to the horizontal direction. The gum guiding and pasting mechanism is arranged on the front side of the bending mechanism at intervals, andadhesive tape is cut and roller-pasted on the side walls of capacitors. The gum scraping and pressing mechanism is arranged on the front side of the gum guiding and pasting mechanism at intervals, andadhesive paper is scrape-pasted on the end faces of the capacitors. The push-straightening mechanism is arranged on the front side of the gum scraping and pressing mechanism at intervals. The cuttingmechanism is arranged on the front side of the push-straightening mechanism at intervals, and the pins and braids are cut by the cutting mechanism. Automatic gum pasting, encapsulating, gum scrapingand pressing and pressure maintaining of the side walls and the two ends of the capacitors are completed, the encapsulating efficiency and the encapsulating quality are effectively improved, and the production cost is reduced.

The invention relates to a rotor for a Roots pump and with an offset main arc and a split top. A half leaf theoretical profile is formed by connecting a peak concentric fan arc section, a peak weightloss circular arc section, an offset main arc section, a valley conjugated arc section of the offset main arc section, and a valley avoidance arc section corresponding to a fan point end to end. The starting radius of the offset main arc passes through a peak node. A terminal point of the offset main arc section is a joint of a rotor pair. The peak weight loss circular arc section is only determined by a fan passing point and a starting point of the offset main arc section and is tangent to the radius line of the fan point. The valley avoidance arc section is determined by a terminal point passing through the valley conjugated arc section, a valley point and a circle center on a valley axis. The barycenter of a rotor leaf deflects towards a valley part, radial leakage is lower, and rotor shape coefficient is higher.

The invention belongs to the automobile field and particularly relates to a device and design method for realizing rapid connection of a frame body with different suspensions. The method includes the following steps of 1. defining suspension design space, 2. setting uniform installing points; 3. performing virtual assembling and analysis; 4. designing an installing plate; 5. designing the connecting rack of a base; and 6. designing the support of the base. The connection device can guarantee the connection of suspensions in different types with the frame body, namely a test simplified vehicle body structure having adjustable parameters of wheelbase, wheelspan, axle load distribution, body rigidity and can be matched with different power devices, steering systems, and brake systems, the hard spot installation precision is guaranteed, and the difficulties of the suspensions in different types in the test can be solved.