A connecting rod gear meshing type continuously variable transmission
A continuously variable transmission, tooth meshing technology, applied in the direction of belt/chain/gear, transmission, mechanical equipment, etc., can solve the problems of low bearing capacity, large pulsation, short life and so on, to achieve large bearing capacity, bearing capacity The effect of power failure protection and adjustable transmission ratio
Inactive Publication Date: 2020-09-25
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
[0004] The invention proposes a connecting rod tooth meshing continuously variable transmission, which solves the problems of large pulsation, low bearing capacity, short life and large volume in the existing mechanical continuously variable transmission
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[0029] Below in conjunction with accompanying drawing, specific implementation of the present invention is described in further detail:
[0030] A connecting rod tooth mesh type continuously variable transmission, which is composed of an input transmission mechanism, a speed regulating mechanism, an eccentric wheel mechanism, a ratchet pawl mechanism, an output mechanism, etc., such as figure 1 shown. The rotation of the input shaft 1 drives the worm 2 and the worm gear 3 to rotate. The worm gear 3 is keyed to the intermediate shaft 4. The rotation of the intermediate shaft 4 drives the two eccentric wheels 6 and the inclined iron block 5 to rotate together. The eccentric wheel 6 is connected to the ratchet through the rocker 9 and the slider 16. 7 pawl 8, the rotary motion of the eccentric wheel 6 is converted into the rotary motion of the slider 16 through the reciprocating swing of the rocker 9. After the linear motion of the slider 16 in the slideway 15, the ratchet 8 acts...
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The invention relates to a connecting rod tooth engagement type infinitely variable transmission and belongs to the field of mechanical transmission. The connecting rod tooth engagement type infinitely variable transmission comprises an input transmission mechanism, a speed regulating mechanism, an eccentric wheel mechanism, a ratchet and pawl mechanism, an output mechanism and the like. An inputshaft rotates to drive a worm gear and a worm to rotate. An intermediate shaft rotates to drive two eccentric wheels and tapered iron blocks to rotate together. Rotation motion of the eccentric wheelsis converted into linear motion of sliding blocks through reciprocating swing of rocking bars. The sliding blocks act on ratchet teeth through pawls to further convert linear motion into rotation motion of ratchets. The ratchets are connected with an output shaft through flat keys. The ratchets rotate to drive the output shaft to rotate. L-shaped frames are engaged with threaded shafts through threads. The L-shaped frames drive the tapered iron blocks to rotate on cams and continuously move inside the cams in the axial direction. Through the connecting rod tooth engagement type infinitely variable transmission, the defects that a traditional mechanical infinitely variable transmission system is large in pulsation degree and inertia force and inertia moment are hard to balance are overcome, and the purposes of constant-power transmission, the adjustable transmission ratio, large bearing capacity and power-out protection are achieved.
Description
technical field [0001] The invention relates to the field of mechanical transmission, in particular to a connecting rod tooth mesh type continuously variable transmission. Background technique [0002] Traditional transmissions are generally stepped transmissions composed of several pairs of gears. By meshing gears with different transmission ratios, the output speed and torque can be changed. There are problems such as low operating efficiency, complex structure, and unstable shifting process. Can't satisfy people's demand to mechanical stepless speed change. [0003] The traditional pulsating continuously variable transmission has the disadvantages of large pulsation of output motion, inertial force generated during the movement of the connecting rod, and low load-carrying performance caused by the structure of the overrunning clutch itself, and the speed of the traditional mechanical continuously variable transmission can be accurate. Control, but all have the disadvanta...
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IPC IPC(8): F16H37/12
CPCF16H37/12
Inventor 翟国栋赵振凯何烨张琼方李振
Owner CHINA UNIV OF MINING & TECH (BEIJING)