CN108730421A - It is a kind of that there is the worm gearing for alleviating impact force function - Google Patents

It is a kind of that there is the worm gearing for alleviating impact force function Download PDF

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Publication number
CN108730421A
CN108730421A CN201810699402.3A CN201810699402A CN108730421A CN 108730421 A CN108730421 A CN 108730421A CN 201810699402 A CN201810699402 A CN 201810699402A CN 108730421 A CN108730421 A CN 108730421A
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China
Prior art keywords
worm
gear
axle
axis hole
scroll spring
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Pending
Application number
CN201810699402.3A
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Chinese (zh)
Inventor
张惠峰
罗龙会
赵伟娜
李秋红
滕聪丽
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Individual
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Individual
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Priority to CN201810699402.3A priority Critical patent/CN108730421A/en
Publication of CN108730421A publication Critical patent/CN108730421A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • F16H1/166—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel with members rotating around axes on the worm or worm-wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0213—Support of worm gear shafts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)

Abstract

The invention belongs to Worm Wheel System fields, more particularly to a kind of worm gearing with alleviation impact force function, it includes position-limit mechanism, buffer disc, first gear, worm mechanism, worm gear etc., wherein when first axle accelerates to rotate, since inertia remains stationary as, scroll spring deforms buffer disc；First gear drives second gear rotation；Second gear drives position-limit mechanism to release the limit to spacing ring；Worm screw spring slides axially along first axle and slight deformation occurs；To buffer due to the excessive impact to worm gear surface of worm screw acceleration；Scroll spring gradually restores to the original state, and first gear is made to drive the reversed rotation of second gear；Second gear drives position-limit mechanism to restore the limit to spacing ring, and transmission gradually tends to be steady.

Description

It is a kind of that there is the worm gearing for alleviating impact force function
Technical field
The invention belongs to Worm Wheel System field more particularly to a kind of worm and gear biographies with alleviation impact force function Dynamic device.
Background technology
Worm gearing traditional at present is made of worm and worm wheel, for transmitting the fortune between alternating axis Dynamic and power, usual two shaft staggered angle are 90 °；All it is using worm screw as driving link in general worm-drive；When worm screw has very When high rotary acceleration, the thread on worm screw will produce impact to the gear teeth on worm gear, lead to worm and worm wheel teeth Damage shortens the service life of worm and wormwheel to accelerate the damage of worm and gear, increases production cost.
The present invention design it is a kind of have alleviate impact force function worm gearing solve the problems, such as it is as above.
Invention content
To solve drawbacks described above in the prior art, the present invention discloses a kind of worm and gear for having and alleviating impact force function Transmission device, it is realized using following technical scheme.
It is a kind of that there is the worm gearing for alleviating impact force function, it is characterised in that：It includes position-limit mechanism, delays Punch plate, scroll spring slot, third axis hole, scroll spring, first gear, the first axis hole, worm mechanism, worm gear, turbine axis hole, whirlpool Wheel shaft, second gear, the second axis hole, the second axis, wherein worm mechanism are mounted in driving equipment, and worm mechanism is set with driving Standby upper driving axis connection；Two first gears are symmetrically mounted at the both ends of worm mechanism；In the end face of two first gears The first axis hole is provided at the heart；Two first gear place mounting structures are identical, in two first gears wherein One, buffer disc is mounted on worm mechanism；It is provided with third axis hole at the disk center of buffer disc；On the inner headed face of third axis hole It is provided with scroll spring slot；Scroll spring is mounted in scroll spring slot；One end of scroll spring is connect with worm mechanism, the other end It is connect with the inner headed face of scroll spring slot；Two the second axis centers are symmetrically mounted at the edge of the disk of buffer disc；Two The second axis hole is provided in second gear；Two second gears, which are coordinated by the second axis hole with corresponding second axis, to be installed；Two Second gear is meshed with first gear；Symmetrically there are two position-limit mechanisms for installation on buffer disc；Each position-limit mechanism and phase The second gear answered matches, and is matched simultaneously with worm mechanism；Turbine axis hole is provided on worm gear；Turbine wheel shaft passes through on worm gear Turbine axis hole；Turbine is mounted on by worm gear shaft in the fixing end of driving equipment, and worm gear is matched with worm mechanism.
Above-mentioned worm mechanism includes first axle, the second keyway, flat key, worm screw spring, spacing ring, the first keyway, wherein The both ends of one axis periphery are symmetrically provided with two group of second keyway, and two the second keyways in every group are about the first axial symmetry point Cloth；Four flat keys are separately mounted in four the second keyways；Symmetrical first there are two being opened on the inner headed face of two spacing rings Keyway；Two spacing rings are symmetrically mounted at the both ends of first axle, and the first keyway on two spacing rings and corresponding flat key Cooperation；Worm screw spring is nested on the outside of first axle, and worm screw spring is located between two spacing rings；Distinguish at the both ends of worm screw spring It is fixedly connected with the end face of two spacing rings；Worm screw spring is meshed with worm gear.
Above-mentioned position-limit mechanism includes arc block, limiting slot, position limiting slide block, rack, rack bore, V-type limited block, wherein arc Block one end is mounted on the periphery of buffer disc；It is provided with limiting slot in one end that arc block is not connect with buffer disc；Arc block The rack bore of perforation is provided between two cambered surfaces, and rack bore is communicated with limiting slot；Position limiting slide block is mounted in limiting slot；Rack One end is connect across rack bore with position limiting slide block, and the other end is equipped with V-type limited block；V-type limited block is matched with spacing ring；Tooth Item is meshed with second gear.
As being further improved for this technology, lubricating oil is coated between above-mentioned limiting slot and position limiting slide block.
As being further improved for this technology, above-mentioned when limit of the V-type limited block releasing to spacing ring, spacing ring is always Among V-type limited block.
As being further improved for this technology, being fixedly connected with being combined between above-mentioned first gear and first axle.
As being further improved for this technology, matching between above-mentioned second axis and second gear is combined into bearing fit.
The effect of scroll spring is in the present invention：When the first axle in worm mechanism is rotated with prodigious acceleration, delay Punch plate keeps opposing stationary due to inertia；First gear is fixedly mounted in first axle, and first gear is synchronized with first axle revolves Turn；Buffer disc falls behind the rotation with first gear；Rotation, and the direction of rotation occur under the action of first gear for second gear It is opposite with first gear；Meanwhile scroll spring deforms under the action of the relative motion of buffer disc and first axle；Second tooth Wheel is moved by rack drives V-type limited block far from spacing ring；It is limited since V-type limited block releases spacing ring, worm screw spring It can slide axially；The worm gear rotation of worm screw spring driving simultaneously, worm gear react on worm screw spring；Worm screw spring at this time can be with It slides axially and deforms；To buffer since first axle is to rush worm gear teeth generation compared with high acceleration rotation It hits；To achieve the purpose that protect worm gear teeth；At the end of buffering, scroll spring drives buffer disc to be rotated around first axle, rotation It is consistent with the direction of rotation of first axle to turn direction；At this point, second gear revolves round the sun around first gear, and direction of revolving round the sun is revolved with first axle It is consistent to turn direction；Second gear rotation under the action of first gear, and the direction of rotation and the direction of rotation of first gear one It causes；Second gear limits block reset by rack drives V-type；When due to releasing the limit to spacing ring when V-type limited block, limit Ring is among V-type limited block always, so V-type limited block again limits spacing ring.
The effect of V-type limited block in the present invention is：When V-type limits block reset, it can be easier to limit more stablely Spacing ring processed, makes limit be looped back to initial position.
The effect of worm screw spring in the present invention is：When worm screw acceleration is very big, the rotary speed of worm gear lags behind snail Bar, under the action of worm gear, the worm screw spring being engaged with deforms, and the relative motion between worm and gear is made to be delayed Punching.
The effect of second gear in the present invention is：Second gear is pumped by rack drives V-type limited block.
Spacing ring and first axle in the present invention are with the effect for being combined into key cooperation：Spacing ring is axially sliding along first axle It is dynamic, meanwhile, spacing ring synchronous rotary together with first axle.
When first axle rotates smoothly or is rotated with the acceleration of very little, scroll spring does not deform upon, buffer disc and the One gear synchronous rotates, and second gear keeps opposing stationary with first gear, and rotation, V-type limited block pair do not occur for second gear Spacing ring limits；Driving force is slowly at the uniform velocity transmitted between worm gear and worm screw spring.
When first axle is rotated with prodigious acceleration, buffer disc keeps opposing stationary due to inertia；First axle and buffering It relatively rotates between disk, scroll spring deforms；Second gear rotation under the action of first gear, and sense of rotation It is opposite with the sense of rotation of first gear；At this moment, second gear is moved by rack drives V-type limited block far from spacing ring；V-type Limited block releases the limit of spacing ring；Worm gear makes the worm screw spring being engaged be slided along first axle, meanwhile, worm screw spring It deforms；Because the impact that acceleration generates is buffered between worm gear and worm screw spring；It avoids because enormous impact is made At the damage of worm gearing；During entire transmission device even running, V-type limited block limits spacing ring.
After worm screw spring compared with high acceleration to complete to accelerate, scroll spring shape starts to restore, and scroll spring drives slow Punch plate is rotated around first axle, and direction of rotation is consistent with first axle direction of rotation；At this moment, second gear revolves round the sun around second gear；The Two gears sense of rotation under the action of first gear changes；Second gear is by rack drives V-type limited block to initial position Movement；V-type limited block gradually restores the limit function to spacing ring；At this moment, the operation of entire transmission device gradually tends to be steady.
Relative to traditional worm gearing, in the present invention when the acceleration of first axle rotates, worm gear acts on Worm screw spring so that worm screw spring does axial displacement, buffered between worm and gear due to move it is inconsistent caused by impact, protect It has protected equipment not to be damaged, production cost is greatly saved；The configuration of the present invention is simple has preferable using effect.
Description of the drawings
Fig. 1 is a kind of worm gearing integral perspective schematic diagram for having and alleviating impact force function.
Fig. 2 is a kind of worm gearing diagrammatic cross-section for having and alleviating impact force function.
Fig. 3 is a kind of worm gearing schematic diagram for having and alleviating impact force function.
Fig. 4 is position-limit mechanism schematic diagram.
Fig. 5 is arc block schematic diagram.
Fig. 6 is arc block diagrammatic cross-section.
Fig. 7 is position limiting slide block, rack and V-type limited block cooperation schematic diagram.
Fig. 8 is the second axis and second gear cooperation schematic diagram.
Fig. 9 is second gear schematic diagram.
Figure 10 is buffer disc schematic diagram.
Figure 11 is buffer disc and scroll spring cooperation schematic diagram.
Figure 12 is buffer disc diagrammatic cross-section.
Figure 13 is scroll spring schematic diagram.
Figure 14 is first gear schematic diagram.
Figure 15 is worm mechanism schematic diagram.
Figure 16 is worm mechanism and worm gear schematic diagram.
Figure 17 is first axle schematic diagram.
Figure 18 is first axle diagrammatic cross-section.
Figure 19 is spacing ring schematic diagram.
Figure 20 is worm gear schematic diagram.
Figure label title：1, position-limit mechanism；2, buffer disc；3, first gear；4, worm mechanism；5, worm gear；6, worm gear Axis；7, second gear；8, the second axis；9, scroll spring；10, arc block；11, the first keyway；12, the second axis hole；13, it limits Slot；14, position limiting slide block；15, rack；16, third axis hole；17, scroll spring slot；18, the first axis hole；19, first axle；20, V-type Limited block；21, worm screw spring；22, spacing ring；23, flat key；24, the second keyway；25, turbine axis hole；26, rack bore.
Specific implementation mode
As shown in Figure 1, it include position-limit mechanism 1, buffer disc 2, scroll spring slot 17, third axis hole 16, scroll spring 9, First gear 3, the first axis hole 18, worm mechanism 4, worm gear 5, worm gear axis hole 25, worm gear shaft 6, second gear 7, the second axis hole 12, Second axis 8, wherein as shown in Fig. 2, worm mechanism 4 is mounted in driving equipment, and the driving in worm mechanism 4 and driving equipment Axis connection；Two first gears 3 are symmetrically mounted at the both ends of worm mechanism 4；As shown in figure 14, the end of two first gears 3 The first axis hole 18 is provided at the center of face；As shown in figure 3, two 3 place mounting structures of first gear are identical, for two One of in first gear 3, buffer disc 2 is mounted on worm mechanism 4；As shown in Figure 10, at the disk center of buffer disc 2 It is provided with third axis hole 16；As shown in figure 12, it is provided with scroll spring slot 17 on the inner headed face of third axis hole 16；As shown in Figure 11,13, Scroll spring 9 is mounted in scroll spring slot 17；As shown in Fig. 2, one end of scroll spring 9 is connect with worm mechanism 4, the other end It is connect with the inner headed face of scroll spring slot 17；Two the second axis 8 are symmetrically mounted on the edge of the disk of buffer disc 2； As shown in figure 9, being provided with the second axis hole 12 in two second gears 7；As shown in figure 8, two second gears 7 pass through the second axis hole 12 coordinate installation with corresponding second axis 8；As shown in figure 3, two second gears 7 are meshed with first gear 3；Buffer disc 2 On symmetrically installation there are two position-limit mechanism 1；Each position-limit mechanism 1 is matched with corresponding second gear 7, and simultaneously and worm screw Mechanism 4 matches；As shown in figure 20, it is provided with worm gear axis hole 25 on worm gear 5；As shown in figure 16, worm gear shaft 6 passes through on worm gear 5 Worm gear axis hole 25；Turbine is mounted on by worm gear shaft 6 in the fixing end of driving equipment, and worm gear 5 is matched with worm mechanism 4.
As shown in figure 15, above-mentioned worm mechanism 4 includes first axle 19, the second keyway 24, flat key 23, worm screw spring 21, limit Position ring 22, the first keyway 11, wherein as shown in Figure 17,18, the both ends of 19 periphery of first axle are symmetrically provided with two group of second key Slot 24, and two the second keyways 24 in every group are symmetrical about first axle 19；As shown in figure 16, four flat keys 23 are pacified respectively In four the second keyways 24；As shown in figure 19, symmetrical first key there are two being opened on the inner headed face of two spacing rings 22 Slot 11；As shown in Figure 15,16, two spacing rings 22 are symmetrically mounted at the both ends of first axle 19, and on two spacing rings 22 First keyway 11 coordinates with corresponding flat key 23；Worm screw spring 21 is nested in 19 outside of first axle, and worm screw spring 21 is located at two Between a spacing ring 22；The both ends of worm screw spring 21 are fixedly connected with the end face of two spacing rings 22 respectively；Worm screw spring 21 with Worm gear 5 is meshed.
As shown in figure 4, above-mentioned position-limit mechanism 1 includes arc block 10, limiting slot 13, position limiting slide block 14, rack 15, rack bore 26, V-type limited block 20, wherein as shown in Fig. 2, 10 one end of arc block is mounted on the periphery of buffer disc 2；As shown in fig. 6, arc Limiting slot 13 is provided in one end that shape block 10 is not connect with buffer disc 2；As shown in figure 5, being opened between two cambered surfaces of arc block 10 There is the rack bore 26 of perforation, and rack bore 26 is communicated with limiting slot 13；As shown in figure 4, position limiting slide block 14 is mounted on limiting slot 13 In；As shown in fig. 7,15 one end of rack is connect across rack bore 26 with position limiting slide block 14, the other end is equipped with V-type limited block 20； As shown in figure 3, V-type limited block 20 is matched with spacing ring 22；Rack 15 is meshed with second gear 7.
As shown in figure 4, being coated with lubricating oil between above-mentioned limiting slot 13 and position limiting slide block 14.
As shown in figure 3, when the above-mentioned limit released when V-type limited block 20 to spacing ring 22, spacing ring 22 is in V-type always Among limited block 20.
As shown in Fig. 2, being fixedly connected with being combined between above-mentioned first gear 3 and first axle 19.
As shown in figure 8, matching between above-mentioned second axis 8 and second gear 7 is combined into bearing fit.
The effect of scroll spring 9 is in the present invention：When the first axle 19 in worm mechanism 4 is rotated with prodigious acceleration When, buffer disc 2 keeps opposing stationary due to inertia；First gear 3 is fixedly mounted in first axle 19, and first gear 3 is with One axis, 19 synchronous rotary；Buffer disc 2 falls behind the rotation with first gear 3；Second gear 7 occurs under the action of first gear 3 Rotation, and the direction of rotation is opposite with first gear 3；Meanwhile scroll spring 9 is in the relative motion of buffer disc 2 and first axle 19 Under the action of deform；Second gear 7 drives V-type limited block 20 to be moved far from spacing ring 22 by rack 15；Since V-type limits Position block 20 releases spacing ring 22 and limits, and worm screw spring 21 can slide axially；Worm screw spring 21 drives worm gear 5 to rotate simultaneously, Worm gear 5 reacts on worm screw spring 21；Worm screw spring 21 at this time can slide axially and deform；To buffered by In first axle 19 to rotate the impact generated to 5 teeth of worm gear compared with high acceleration；To achieve the purpose that protect 5 teeth of worm gear； At the end of buffering, scroll spring 9 drives buffer disc 2 to be rotated around first axle 19, the direction of rotation of direction of rotation and first axle 19 Unanimously；At this point, second gear 7 revolves round the sun around first gear 3, and direction of revolving round the sun is consistent with 19 direction of rotation of first axle；Second gear 7 Rotation under the action of first gear 3, and the direction of rotation is consistent with the direction of rotation of first gear 3；Second gear 7 passes through tooth Item 15 drives V-type limited block 20 to reset；When due to releasing the limit to spacing ring 22 when V-type limited block 20, spacing ring 22 is always Among V-type limited block 20, so V-type limited block 20 again limits spacing ring 22.
The effect of V-type limited block 20 in the present invention is：It, can be more easily more stable when V-type limited block 20 resets Ground limits spacing ring 22, and spacing ring 22 is made to return to initial position.
The effect of worm screw spring 21 in the present invention is：When worm screw acceleration is very big, the rotary speed of worm gear 5 lags behind Worm screw, under the action of worm gear 5, the worm screw spring 21 being engaged with deforms, and the relative motion between 5 worm screw of worm gear is made to obtain To buffering.
The effect of second gear 7 in the present invention is：Second gear 7 drives about 20 limited block of V-type past by rack 15 Multiple movement.
Spacing ring 22 in the present invention and first axle 19 are with the effect for being combined into key cooperation：Spacing ring 22 is along first axle 19 It slides axially, meanwhile, spacing ring 22 and first axle 19 together synchronous rotary.
Specific implementation mode：When first axle 19 rotates smoothly or is rotated with the acceleration of very little, scroll spring 9 does not occur Deformation, buffer disc 2 and 3 synchronous rotary of first gear, second gear 7 keep opposing stationary with first gear 3, and second gear 7 is not Rotation occurs, V-type limited block 20 limits spacing ring 22；Driving force is slowly at the uniform velocity transmitted between worm gear 5 and worm screw spring 21.
When first axle 19 is rotated with prodigious acceleration, buffer disc 2 keeps opposing stationary due to inertia；First axle 19 with It relatively rotates between buffer disc 2, scroll spring 9 deforms；Rotation under the action of first gear 3 of second gear 7, and Sense of rotation is opposite with the sense of rotation of first gear 3；At this moment, second gear 7 drives V-type limited block 20 separate by rack 15 Spacing ring 22 moves；V-type limited block 20 releases the limit of spacing ring 22；Worm gear 5 is so that 21 edge of worm screw spring being engaged with First axle 19 is slided, meanwhile, worm screw spring 21 deforms；Because acceleration generation is rushed between worm gear 5 and worm screw spring 21 It hits and is buffered；It avoids because enormous impact causes the damage of 5 worm gearing of worm gear；Entire transmission device even running In the process, V-type limited block 20 limits spacing ring 22.
After worm screw spring 21 compared with high acceleration to complete to accelerate, 9 shape of scroll spring starts to restore, 9 band of scroll spring Dynamic buffer disc 2 is rotated around first axle 19, and direction of rotation is consistent with 19 direction of rotation of first axle；At this moment, second gear 7 is around the second tooth 7 revolution of wheel；Sense of rotation under the action of first gear 3 of second gear 7 changes；Second gear 7 drives V-type limit by rack 15 Position block 20 is moved to initial position；V-type limited block 20 gradually restores the limit function to spacing ring 22；At this moment, entire transmission dress The operation set gradually tends to be steady.
In conclusion beneficial effects of the present invention：When the acceleration of first axle 19 rotation, worm gear 5 acts on worm screw spring 21 so that worm screw spring 21 does axial displacement, buffered between 5 worm screw of worm gear due to move it is inconsistent caused by impact, protection Equipment is not damaged, and is greatly saved production cost.

Claims (5)

1. a kind of having the worm gearing for alleviating impact force function, it is characterised in that：It includes position-limit mechanism, buffering Disk, scroll spring slot, third axis hole, scroll spring, first gear, the first axis hole, worm mechanism, worm gear, turbine axis hole, turbine Axis, second gear, the second axis hole, the second axis, wherein worm mechanism are mounted in driving equipment, and worm mechanism and driving equipment On driving axis connection；Two first gears are symmetrically mounted at the both ends of worm mechanism；The end face center of two first gears Place is provided with the first axis hole；Two first gear place mounting structures are identical, for wherein one in two first gears A, buffer disc is mounted on worm mechanism；It is provided with third axis hole at the disk center of buffer disc；It is opened on the inner headed face of third axis hole There is scroll spring slot；Scroll spring is mounted in scroll spring slot；One end of scroll spring is connect with worm mechanism, the other end with The inner headed face of scroll spring slot connects；Two the second axis centers are symmetrically mounted at the edge of the disk of buffer disc；Two The second axis hole is provided on two gears；Two second gears, which are coordinated by the second axis hole with corresponding second axis, to be installed；Two Two gears are meshed with first gear；Symmetrically there are two position-limit mechanisms for installation on buffer disc；Each position-limit mechanism with it is corresponding Second gear match, and matched simultaneously with worm mechanism；Turbine axis hole is provided on worm gear；Turbine wheel shaft passes through on worm gear Turbine axis hole；Turbine is mounted on by worm gear shaft in the fixing end of driving equipment, and worm gear is matched with worm mechanism；
Above-mentioned worm mechanism includes first axle, the second keyway, flat key, worm screw spring, spacing ring, the first keyway, wherein first axle The both ends of periphery are symmetrically provided with two group of second keyway, and two the second keyways in every group are symmetrical about first axle； Four flat keys are separately mounted in four the second keyways；Symmetrical first key there are two being opened on the inner headed face of two spacing rings Slot；Two spacing rings are symmetrically mounted at the both ends of first axle, and the first keyway on two spacing rings is matched with corresponding flat key It closes；Worm screw spring is nested on the outside of first axle, and worm screw spring is located between two spacing rings；The both ends of worm screw spring respectively with The end face of two spacing rings is fixedly connected；Worm screw spring is meshed with worm gear；
Above-mentioned position-limit mechanism includes arc block, limiting slot, position limiting slide block, rack, rack bore, V-type limited block, wherein arc block one End is on the periphery of buffer disc；It is provided with limiting slot in one end that arc block is not connect with buffer disc；Two of arc block The rack bore of perforation is provided between cambered surface, and rack bore is communicated with limiting slot；Position limiting slide block is mounted in limiting slot；Rack one end It is connect with position limiting slide block across rack bore, the other end is equipped with V-type limited block；V-type limited block is matched with spacing ring；Rack with Second gear is meshed.
2. a kind of worm gearing with alleviation impact force function according to claim 1, it is characterised in that： It is coated with lubricating oil between above-mentioned limiting slot and position limiting slide block.
3. a kind of worm gearing with alleviation impact force function according to claim 1, it is characterised in that： When the above-mentioned limit released when V-type limited block to spacing ring, spacing ring is among V-type limited block always.
4. a kind of worm gearing with alleviation impact force function according to claim 1, it is characterised in that： Being fixedly connected with being combined between above-mentioned first gear and first axle.
5. a kind of worm gearing with alleviation impact force function according to claim 4, it is characterised in that： Matching between above-mentioned second axis and second gear is combined into bearing fit.
CN201810699402.3A 2018-06-29 2018-06-29 It is a kind of that there is the worm gearing for alleviating impact force function Pending CN108730421A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112638747A (en) * 2020-07-24 2021-04-09 华为技术有限公司 Steer-by-wire system and steering control method
CN117773997A (en) * 2024-01-11 2024-03-29 杭州永德电气有限公司 Multi-degree-of-freedom robot

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CN107496089A (en) * 2017-09-30 2017-12-22 常熟市平方轮椅有限公司 A kind of controllable worm gearing for wheelchair
CN107654580A (en) * 2017-09-30 2018-02-02 常熟市平方轮椅有限公司 A kind of controllable worm gearing of wheelchair

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