Screw reversing mechanism in a state of rolling friction
A rolling friction, reversing mechanism technology, applied in mechanical equipment, transmission, belt/chain/gear and other directions, can solve the problems of short life, large wear resistance and slow movement speed of relative moving parts, and achieve simple and novel structure, The effect of improving transmission efficiency and reliable performance
Inactive Publication Date: 2007-02-14
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
Therefore, the mechanism is in a state of sliding friction during motion, with large friction resistance, low efficiency, slow motion speed, and short life of relative moving parts.
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[0016] Combine below figure 1 , figure 2 with image 3 Describe in detail the details and working conditions of the specific device of the present invention.
[0017] The spiral reversing mechanism in the state of rolling friction is mainly composed of upper limit block 1, stop block 2, lower limit block 3, screw rod 4, fixed point pin 5, floating pin 6, swing body 7, nut 8, and guide rod 9. The fixed point pin 5 is located in the nut 8 and can rotate along its own axis. The floating pin 6 is located in the oscillating body 7 and can rotate along its own axis. The oscillating body 7 is located in the nut 8 with sliding movement between the two Bearings can rotate relatively, the stopper 2 is fixed on the swing body 7, the upper limit block 1 and the lower limit block 3 are fixed on the nut 8, and the nut 8 can move up and down along the guide rod 9, but cannot go around Screw rod 4 rotates.
[0018] When the main shaft rotates clockwise, the floating pin 6 and the fixed p...
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The invention involves is at the rolling friction condition the spiral reversing gear, mainly by on spacing block, the files block, gets down the spacing block, the screw rod, the fixed point sells, the fluctuation sells, swings the body, the nut, guides the pole to compose, states the fixed point to sell is located in the nut, may along its own spool thread rotation, state the fluctuation to sell the bias to be located swings in the body, may along its own spool thread rotation, state swings the body posture in the nut, between the two has the sliding bearing, but the relative rotation, states the files block to fix in swings on the body, states the spacing block, gets down the spacing block to fix on the nut, States the nut along to guide the pole to reciprocate. The invention replaces the spiral reversing gear in slide with the double pin, links up the left using the head and tail, the right screw line, continual unidirectionally turns on lathe the transportation to turn becomes the straight reciprocating main motion the organization, the sliding friction will become the rolling friction, the structure simply novel, the performance will be reliable, greatly enhanced the transmission efficiency, the movement speed and the organization life.
Description
technical field [0001] The invention relates to a screw reversing mechanism in a state of rolling friction. Background technique [0002] In the current helical reversing mechanism that converts unidirectional rotary motion into reciprocating linear motion, due to the intersection of two left-handed and right-handed helixes on the screw, a "groove" appears on the helical surface. The transmission member on the nut of the mechanism can cross these "ditches", and the transmission member has to adopt a slide block whose length is greater than the width of the "ditch". Therefore, the mechanism is in a state of sliding friction during motion, with large friction resistance, low efficiency, slow motion speed, and short service life of relative moving parts. Contents of the invention [0003] The object of the present invention is to provide a spiral reversing mechanism in a state of rolling friction, which uses the left-handed and right-handed helixes connected end to end to co...
Claims
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IPC IPC(8): F16H25/20F16H25/24
Inventor 刘春全艾志久廖世辉
Owner SOUTHWEST PETROLEUM UNIV