39results about How to "Good action consistency" patented technology

A wedge type freewheeling clutch apparatus wherein the working surface where the wedge contacts with the inner hole cylinder face of the outer ring of the free wheel device is a portion of the cylinder whose diameter is greater than the operational height of the wedge, the working surface on the wedge witch contacts with the star-wheel is a plane surface. Compared with the prior art wedge type freewheeling clutch apparatus, the advantages of the present invention are better movement consistency, higher reliability, more even load-bearing, greater load-bearing capacity and longer operating life.

The invention discloses an ejector mechanism of a single-trip foaming special machine of a refrigerator and a control method of the ejector mechanism. The ejector mechanism is characterized in that a parallel four-bar mechanism is formed by articulating a front connecting rod frame, a rear connecting rod frame, a left camshaft and a right camshaft which are distributed as a rectangular frame on a plane, wherein cams are respectively arranged on the left camshaft and the right camshaft front and back, a slider-crank mechanism consists of the cams, connecting rods connected with the cams, ejector rods connected with the connecting rods, and foaming special machine bottom plates fixedly arranged on the ejector rods, a pre-positioned air cylinder and a post-positioned air cylinder are arranged as a driving mechanism, the left camshaft is driven to rotate by a piston rod of the pre-positioned air cylinder through a pre-positioned crank, and the right camshaft is driven to rotate by a piston rod of the post-positioned air cylinder through a post-positioned crank. According to the ejector mechanism, the foaming can be realized on the single foaming special machine.

The invention relates to the field of flapping wing type aircrafts and flying robots, in particular to a low-resistance synchronous direct-acting type double-flapping-wing aircraft. The double-flapping-wing aircraft comprises flapping wings, slideways, connecting pieces, a first speed reducer, a stepping motor, a transmission mechanism, a second speed reducer, motors and a machine body frame, wherein the two slideways in the vertical direction are symmetrically installed and fixed on two sides of the machine body frame; the two connecting pieces are respectively connected to the two slidewaysin a sliding manner; the two flapping wings are respectively connected to the two connecting pieces and can rotate relatively; the flapping wing comprises a flapping wing frame and a rotatable blade arranged in the flapping wing frame; a torsional spring is also arranged in the flapping wing frame and is used for resetting the blade; the transmission mechanism is connected to the two connecting pieces; the motors arranged on the machine body frame drive the transmission mechanism to move after being decelerated by the second speed reducer so that the two connecting pieces synchronously slide up and down; and the two stepping motors arranged on the connecting pieces drive the two flapping wings to rotate respectively after being decelerated by the first speed reducer.

The invention relates to the field of flapping wing type aircrafts and flight robots, in particular to a synchronous swinging type rotary vane four-flapping-wing aircraft. The synchronous swinging type rotary vane four-flapping-wing aircraft comprises flapping wings, swinging shafts, connecting pieces, first speed reducers, stepping motors, a transmission mechanism, a second speed reducer, a motorand a machine body frame. The four horizontal-direction swinging shafts are symmetrically installed and fixed to the periphery of the machine body frame. The four connecting pieces are connected to the four swinging shafts and oppositely rotate. The four flapping wings are connected to the four connecting pieces correspondingly and can oppositely rotate. Each flapping wing comprises a flapping wing frame and a rotary vane arranged in the flapping wing frame, wherein a torsion spring is further arranged in the flapping wing frame for vane resetting. The transmission mechanism is connected to the two connecting pieces, and after the motor is decelerated through the second speed reducer, the transmission mechanism is driven to move, the four connecting pieces synchronously swing up and down,and the four stepping motors drive the four flapping wings to rotate after being decelerated through the two first speed reducers.

The invention relates to a swing mechanism of a cold-rolling pipe mill, and belongs to the technical field of metal pipe processing machinery. The swing mechanism comprises a mounting support base, a transmission case which is arranged on the mounting support base and is provided with a cover, a power transmission device which is arranged on the transmission case and comprises a power input shaft, a transition shaft and a power output shaft, a chuck which is arranged on the power output shaft in a sliding way, and a set of jack catches which are arranged on the chunk in a sliding way. The swing mechanism is characterized by further comprising a chunk actuating device which is used to drive the chunk to slide on the power output shaft left and right and further change the position of the set of the jack catches which are arranged on the chunk in a sliding way, wherein the chunk actuating device is fixed on the cover of the transmission box and is connected with the chunk. The swing mechanism has the advantage of fast operation speed and good action consistency of the jack catches, and can lighten the working strength of operators.

The invention discloses a six-guide-wheel multi-line cutter. The six-guide-wheel multi-line cutter comprises a rack, a work line roller, a worktable, a worktable driving device, a reverse wheel, a first line roller, a first auxiliary wheel, a first adjusting wheel, a first tensioning wheel, a second line roller, a second tensioning wheel, a second adjusting wheel and a second auxiliary wheel. The work line roller comprises three triangularly-arranged work main shafts. The reverse wheel is arranged on one side of the work line roller. The first line roller, the first auxiliary wheel, the first adjusting wheel, the first tensioning wheel, the second line roller, the second tensioning wheel, the second adjusting wheel and the second auxiliary wheel are arranged on the other side of the rack. The first line roller, the first auxiliary wheel, the first adjusting wheel and the first tensioning wheel are arranged in sequence from bottom to top. The second tensioning wheel, the second adjusting wheel, the second auxiliary wheel and the second line roller are arranged on one sides of the first line roller, the first auxiliary wheel, the first adjusting wheel and the first tensioning wheel in sequence from top to bottom. A steel wire is wound through the six guide wheels, the winding mode is simple, under the premise of completing functions, each work cycle time is reduced greatly, and the time cost of the equipment is also reduced to a certain extent.

The invention discloses a bag bottom closing device of a paper bag making machine. The bag bottom closing device of the paper bag making machine comprises a drum wheel assembly, two groups of foldingknife assemblies, a rear folding piece closing assembly, a front folding piece closing assembly and a pressing roller assembly. A front folding piece and a rear folding piece are arranged at the bag bottom of a paper bag. One group of folding knife assemblies is in transmission fit with the rear folding piece closing assembly; the two groups of folding knife assemblies can enable the rear foldingpiece at the bag bottom to move to the rear folding piece closing assembly along with the drum wheel assembly and close the rear folding piece under the driving of the folding knife assemblies; afterthe rear folding piece of the bag bottom is closed, the front folding piece of the bag bottom can move to the front folding piece closing assembly along with the drum wheel assembly to close the frontfolding piece, and then the front folding piece is rolled by the pressing roller assembly and output. The bag bottom closing device of the paper bag making machine has the advantages that a rear folding plate group is stable, reliable, free of impact sound, low in noise, small in error and accurate in action in the using process, accordingly, the bag bottom closing quality is guaranteed, the bagmaking speed is greatly increased due to the advantage of synchronous operation, the production efficiency is very high, and therefore the bag making cost is reduced.

The invention relates to a four-drive energy adjustable continuous winged variable dip angle direct-acting aircraft. Four vertical slideways are symmetrically mounted and fixed on the periphery of the fuselage frame, the four connecting pieces are respectively connected to the four slideways in a sliding manner, the four belt wings are respectively connected to the four connecting pieces and can rotate relatively, and each belt wing comprises a belt wing frame and a soft belt mounted on the belt wing frame; a belt wheel, a tensioning wheel and a driving motor are further arranged in the winged frame and used for switching between the working state and the reset state of the winged frame, the transmission mechanism is connected to the four connecting pieces, and the motor arranged on the fuselage frame drives the transmission mechanism to move after being decelerated through a second speed reducer so that the four connecting pieces can synchronously slide up and down. The four stepping motors arranged on the four connecting pieces correspondingly drive the four belt wings to rotate after being decelerated through the four third speed reducers.

The invention provides a SEMI compound material section tractor, a stand is arranged on a frame and arranges an upper stand by a motor gap adjustment pole and a limiting pole, the two ends of the stand are provided with a clamp transmission belt wheel, a clamp transmission belt is connected on, an upper stand motor transmission wheel is arranged on the upper stand, the lower end of the motor adjustment pole is arranged in a lubrication hole, and connected with a motor gap adjustment pole driving machine, a transmission chain tension adjuster, a transmission chain flexible adjuster, a left and a right transmission guide pulley, a transmission chain main wheel, a transmission chain main wheel power feeding wheel, a slow down wheel, the power transmission wheel of a drive motor, which are all arranged on the frame and the lower stand base wheel and connected with each other by a transmission chain or a gear. The invention has the advantages of little consumption, good movement action, stability, even tractive force, high efficiency and never damaging the structural shape, which is suitable for the traction of the SEMI compound material section production process.

The invention provides a single-phase magnetic-keeping operating mechanism, which comprises an upper magnet yoke, a lower magnet yoke, a magnetic sleeve, a movable iron core assembly, a lower plastic end block and a metal fixed pressure plate, wherein a coil is arranged in the middle of the upper magnet yoke, the lower magnet yoke and the sleeve; the movable iron core assembly comprises a movable iron core and a plastic seal cover; the plastic seal cover is arranged at the lower part of the movable iron core assembly through a thread; an air-gap dustproof bead is arranged at the upper end part of the movable iron core; the middle part of the movable iron core passes through an operating pull rod, a breaking spring and a closing spring; the movable core iron runs between the plastic end block and the upper magnet yoke in a limiting manner, and finishes mechanism operation through the operating pull rod through cooperation of the breaking spring and the closing spring; and a photoelectric sensing element is embedded into the plastic end block. The single-phase magnetic-keeping operating mechanism provided by the invention forms the magnetic sleeve by low-cost alloy structure steel and has an airtight dustproof straight motion structure; friction blockage of mechanism motion is completely avoided through limiting of the end part of the movable iron core and position and speed photoelectric signal transmission; and low cost, high reliability, intelligent monitoring and long-lifetime operation of the operating mechanism are achieved.

The invention relates to the field of flapping wing type aircrafts and flying robots, in particular to a rotary vane based synchronous swing type double-flapping-wing aircraft which comprises two flapping wings, two swing shafts, two connecting pieces, two first speed reducers, two stepping motors, a transmission mechanism, a second speed reducer, an electromotor and a fuselage ring, wherein the two swing shafts are symmetrically mounted and fixed on the two sides of the fuselage ring in the horizontal direction; the two connecting pieces are connected onto the two swing shafts separately androtate relatively; the two flapping wings are connected onto the two connecting pieces separately and can rotate relatively; each of the flapping wings comprises a flapping wing frame and a rotatablevane mounted in the flapping wing frame; a torsional spring for resetting the vane is further arranged in the flapping wing frame; the transmission mechanism is connected onto the two connecting pieces; after the second speed reducer reduces the speed of the electromotor, the electromotor drives the transmission mechanism to move, so that the two connecting pieces synchronously swing up and down;and after the two first speed reducers reduce the speed of the two stepping motors, the two stepping motors drive the two flapping wings to rotate separately.

The invention relates to a double-synchronous direct-acting belt drive roller shutter type flapping-wing unmanned aerial vehicle. The unmanned aerial vehicle comprises flapping wings, a fuselage top plate, a first speed reducer, a stepping motor, a connecting piece, a second speed reducer, a driving motor, a transmission mechanism, a fuselage bottom plate, a third speed reducer, a motor and slideways, the four slideways in the vertical direction are symmetrically and fixedly installed on the periphery of the fuselage top plate, and the two flapping wings can slide on the slideways; meanwhile, the two flapping wings are connected to the two connecting pieces respectively and can rotate relatively, each flapping wing comprises a flapping wing frame and a roller blind installed on the flapping wing frame, a synchronous belt wheel and a driving motor are further arranged in the flapping wing frame and used for switching between the working state and the reset state of the flapping wings, and the transmission mechanism is connected to the two connecting pieces, the motor arranged on the bottom plate of the fuselage is decelerated by the third speed reducer and then drives the transmission mechanism to move, so that the two connecting pieces synchronously slide up and down, and the two stepping motors respectively arranged on the two connecting pieces are decelerated by the two first speed reducers and then respectively drive the two flapping wings to rotate.

The invention discloses a disconnecting switch and a contact mechanism thereof. The contact mechanism comprises a contact pole seat body, a moving contact seat, a moving contact and a static contact, the static contact is fixedly installed on the contact pole seat body, the moving contact seat is rotatably supported on the contact pole seat body, the moving contact is fixedly installed on the moving contact seat, the moving contact seat is provided with an upper seat disc and a lower seat disc, and a gas pushing block is arranged between the upper seat disc and the lower seat disc and extends from the center of the moving contact seat to the edge of the moving contact seat, so that the gas pushing block forms a cavity with the gas channel walls of the upper seat disc, the lower seat disc and the contact electrode seat body when the moving contact is in a closed position, and the gas pushing block pushes gas to flow in the gas channel of the disconnecting switch when the moving contact rotates. The performance of the disconnecting switch product can be improved.

The invention relates to a double-synchronous-swing parallelogram-driven roller shutter type flapping-wing unmanned aerial vehicle. The unmanned aerial vehicle comprises flapping wings, swing shafts, connecting pieces, first speed reducers, driving motors, a transmission mechanism, second speed reducers, stepping motors, a fuselage frame, third speed reducers and a motor; the two swing shafts in the horizontal direction are symmetrically and fixedly mounted on the two sides of the fuselage frame, and the two connecting pieces are connected to the two swing shafts correspondingly and rotate relatively; the two flapping wings are connected to the two connecting pieces respectively and can rotate relatively, each flapping wing comprises a flapping wing frame and a roller blind mounted on the flapping wing frame, and a parallelogram mechanism and a driving motor are further arranged in each flapping wing frame and used for switching between the working state and the reset state of the flapping wings; the transmission mechanism is connected to the two connecting pieces; and the motor drives the transmission mechanism to move after being decelerated by the third speed reducer, so that the two connecting pieces synchronously swing up and down, and the two stepping motors respectively drive the two flapping wings to rotate after being decelerated by the two second speed reducers.