CN104675980B - Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device - Google Patents
Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device Download PDFInfo
- Publication number
- CN104675980B CN104675980B CN201510005401.0A CN201510005401A CN104675980B CN 104675980 B CN104675980 B CN 104675980B CN 201510005401 A CN201510005401 A CN 201510005401A CN 104675980 B CN104675980 B CN 104675980B
- Authority
- CN
- China
- Prior art keywords
- worm
- worm screw
- internal messing
- meshing
- external toothing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- 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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
Abstract
The invention discloses an automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device which comprises an internal-meshing worm and an external-meshing worm. The external-meshing worm is used for realizing power input. An assembling hole is arranged in the center of the internal-meshing work, the external-meshing work is axially and movably mounted in the assembling hole through an axial positioner, meshing teeth of the external-meshing worm are located inside the internal-meshing worm, a plurality of worm gears are arranged inside the internal-meshing worm with each of which simultaneously meshed with the internal-meshing worm and the external-meshing worm, and each of the worm gear is provided with a power output shaft extending to the outer side of the internal-meshing worm. By the arrangement, precision transmission for automatically eliminating plane-enveloping internal-meshing worm and worm gear clearance is realized, turning errors generated during forward and backward rotation of clearance in the tooth side and worms and worm gears among the worms and the worm gears are effectively eliminated by adopting the mode of combined transmission of the external-meshing work and the internal-meshing worm gear, and transmission precision of the device is effectively improved.
Description
Technical field
The present invention relates to a kind of Worm and Worm Gear Driving technical field, particularly to a kind of planar envelope internal messing worm and wormwheel
Automatic gap eliminating device.
Background technology
Worm and Worm Gear Driving device as one of gear-driven type, mainly in order to transmit between two axles of spatial intersecting
Power and motion, usual two shaft staggered angles be 90 °, due to its compact conformation, transmission speed ratio is big, noise is little, worm gear output turn
The features such as square is big is widely used in plant equipment as deceleration device and accurate transmission mechanism.But, with productivity and
The development of industrial technology, creates the contradiction that existing worm-drive technology can not meet reality production.Particularly in precision drive
In device, requirement more and more higher to precision indexing and accurate retarding machine, demand is also increasing.At present with regard to precise worm
The research of transmission is concentrated mainly in the worm-drive using traditional mesh form, does not reach automatically in internal messing form
Eliminate the ability of backlash.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of planar envelope of the precision that can automatically eliminate back lash
Internal messing worm and wormwheel automatic gap eliminating device.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device, including an internal messing worm screw, one to realize power defeated
The external toothing worm screw entering, internal messing worm screw center is provided with pilot hole, and external toothing worm screw passes through axially position device, and axially activity is installed
In assembling in the hole, the engaging tooth of external toothing worm screw is located inside internal messing worm screw, be provided with inside internal messing worm screw several and every
The individual worm gear being simultaneously meshed with internal messing worm screw and external toothing worm screw, each worm gear is provided with a power output shaft and extends to
Outside internal messing worm screw.
Preferably, the mesh equation that internal messing worm screw and the external toothing worm and wheel field of conjugate action are meshed is：
x2"=u
y2"=-rb+vsinβ
z2"=vcos β
Wherein：A is the centre-to-centre spacing of worm and wheel, and β is helical angle；i21For gearratio,For the corner of worm screw,For
The corner of worm gear, rbFor base radius, α is the crossed axis angle of worm gear rotary middle spindle and worm screw rotary middle spindle, u, v be respectively with
The coordinate origin o that worm gear teeth is connected3With respect to the space fixed coordinate system o being connected with worm gear2X, y-coordinate value, Σ1'
(o1',x1',y1',z1') and Σ2"(o2",x2",y2",z2") it is respectively the space operation frame that worm screw and instrument generatrix are fixedly connected with.
Preferably, internal messing worm screw is class bowl-type planar double enveloping worm, and external toothing worm screw is planar double enveloping snail
Bar, internal messing worm screw, external toothing worm screw are formed by same tooth surface equation envelope, and its shape takes to the different portions of double enveloping
Point.
Preferably, worm gear has 2, and symmetrical, and two power output shafts prolong rightabout and stretch out outside internal messing worm screw
Portion.
Preferably, worm gear has 4, and is located at two orthogonal diameters two near the rim of a bowl for the internal messing worm screw respectively
End, four power output shaft counter clockwise directions are stretched out outside planar envelope internal messing worm screw, and adjacent two power output shafts are axially
It is mutually perpendicular to.
Preferably, power output shaft is fixedly connected on worm gear center, and perpendicular to worm gear axial cross section.
Preferably, it is provided with circular platform type cavity inside pilot hole, and cavity small-caliber end is inside internal messing worm screw, away from
One end of external toothing worm engaging tooth is provided with keyway, is thread spindle near the worm shaft of keyway, and axially position device is sheathed on screw thread
Between axle and internal messing worm screw, and fixed by nut.
Preferably, axially position device includes the positioning head matching with circular platform type cavity, and positioning head head apical grafting is in cavity
Small-bore inwall, afterbody connects one end of flexible member, other end connection fixing base, is provided with packing ring between fixed seat and nut.
Preferably, the small-bore place of cavity is provided with an endoporus, and endoporus aperture is more than external toothing worm shaft radial section diameter.
Preferably, flexible member is adjustment spring.
The operation principle of the planar envelope internal messing worm and wormwheel automatic gap eliminating device that the present invention provides is as follows：
The keyway end of external toothing worm screw connects the output end of motor, rotates, be arranged on external toothing snail under the drive of motor
Internal messing worm screw also concomitant rotation on bar, worm gear is also carried out turning under the common driving of internal messing worm screw and external toothing worm screw
Dynamic, in the presence of axially position device, the mesh tooth face of external toothing worm screw keeps contacting with a lateral tooth flank of worm gear, internal messing snail
The mesh tooth face of bar keeps contacting with another lateral tooth flank of worm gear, when there is abrasion in transmission in the flank of tooth of worm screw, worm gear, axle
Positioning head will be promoted to move axially along external toothing worm shaft to the adjustment spring in locator, thus promoting internal messing worm screw edge
The axial movement of external toothing worm screw, is made internal messing worm screw be remained with the flank of tooth of external toothing worm and worm wheel and contacts, automatically enter
Row backlash compensates, and realizes worm geared automatic anti-backlash.
Compared with prior art, the beneficial effects of the present invention is：
1st, the present invention provide a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device worm gear output power by
External toothing worm screw drives internal messing worm-drive, and two worm screws are common to realize the power input to worm gear, thus the present invention have bigger
Bearing capacity.
2nd, the present invention, due to adopting the anti-backlash mechanism of axially position device between interior external toothing worm screw, grinds in worm and wormwheel
During damage, can automatically promote internal messing worm screw axially to move along internal messing worm screw, make the worm and wormwheel flank of tooth remain contact,
Carry out backlash compensation, thus effectively solve the backlash after worm and wormwheel tooth surface abrasion eliminate problem it is ensured that
Transmission accuracy.
3rd, by the way of the present invention is due to being driven using internal messing worm screw and external toothing worm screw simultaneously, therefore this device has concurrently simultaneously
External toothing worm screw and the plurality of advantages of internal messing worm screw, not only can meet the needs that many workloads are driven simultaneously, and
And structure is simple, compact, transmission efficiency, when being applied to the occasion that many workloads are driven, with common snail simultaneously
Bar transmission is compared, this transmission device small volume, lightweight, high precision, saving production cost easy to assembly, larger.
4th, because worm gear adopts symmetrical arrangement in the present invention, in transmission process, two symmetrical worm gears are carried out relatively
Or be driven on the contrary, so not only can reduce the axial force on worm screw, and noise can be reduced so that transmission is more steady,
Especially more steady during transmission when worm gear is 2 or 4.
5th, in the present invention, worm screw power input shaft is in nonopiate interlaced arrangement with the power output shaft of worm gear, and each power
Output shaft all in the centre of gyration of each worm gear, make structure compacter, transmission more steady.
In sum, the present invention provides a kind of one kind that can achieve and automatically eliminate planar envelope internal messing worm screw backlash
Accurate transmission mechanism, this kind of version not only ensure that the normal work of transmission and good lubrication, and by using outer
Engagement worm screw and the form of internal messing worm combination transmission, can effectively eliminate the backlash between worm and wormwheel and worm and wormwheel
The turn error producing during rotating, effectively improves the transmission accuracy of device.Also make this device have internal messing concurrently simultaneously
Worm screw and the partly outstanding meshing performance of external toothing worm screw, and this device being arranged symmetrically using many worm gears, reduce worm shaft
To power so that transmission is more steady, noise is lower, compact conformation, can achieve that list worm screw inputs 1～4 even more many worm gear defeated
Go out, transmission efficiency, meet the transmission demand of many workloads, in aerospace field, naval vessel, optical instrument, measurement simultaneously
It is respectively provided with wide application prospect in field.
Brief description
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is cross-sectional view of the present invention；
Fig. 2 is external toothing worm structure schematic diagram in the present invention；
Fig. 3 is the cross-sectional view that in the present invention, worm gear is 2；
Fig. 4 is the cross-sectional view that in the present invention, worm gear is 4；
Fig. 5 is the frame schematic diagram of mesh tooth face theory deduction in the present invention；
Fig. 6 is the auxiliary frame schematic diagram of mesh tooth face theory deduction in the present invention.
Specific embodiment
Embodiment 1：
As Figure 1-3, a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device that the present invention provides, including one
Individual 1, external toothing worm screw 4 of internal messing worm screw, for adjust automatically worm and wormwheel back lash axially position device, simultaneously with
2 worm gears 2,5 and the power output shaft 3,6 combining with worm gear 2,5 respectively that internal messing worm screw 1 and external toothing worm screw 4 are meshed.
The power input shaft of the present invention is external toothing worm screw 4 (as shown in Figure 2), in external toothing worm screw 4 away from engagement increment
It is provided with keyway 4-3, is connected with the power output shaft of motor by shaft coupling, driven rotation, external toothing snail simultaneously by motor
Bar 4 is processed into the form of thread spindle 4-4 near the worm shaft of keyway end 4-3, for the fixation of axially position device.
Axially position device includes nut 7, packing ring 8, spring fixed seat 9, adjustment spring 10, positioning head 11；Axially position device
Positioning head 11 be truncated cone-shaped structure, be enclosed within external toothing worm screw 4 thread spindle 4-4, positioning head 11 is arranged on internal messing snail simultaneously
Bar 1 setting truncated cone-shaped in the hole, adjustment spring 10 be arranged between corresponding spring fixed seat 9 and positioning head 11, its one end with
Spring base 9 contacts, and the other end is contacted with positioning head 11, and axially position device is fixed on external toothing worm screw 4 by nut 7, and leads to
Cross nut 7 to adjust the relative position of external toothing worm screw 4 and internal messing worm screw 1, between nut 7 and spring base 9, packing ring is installed
8.
Internal messing worm screw 1 and external toothing snail in the planar envelope internal messing worm and wormwheel automatic gap eliminating device that the present invention provides
Bar 4 is planar double enveloping worm, and two worm screws are formed by same tooth surface equation envelope, the shape of inside and outside engagement worm screw
Take to the different piece of double enveloping, as shown in Figure 5, Figure 6, its tooth surface equation is：
x2"=u
y2"=-rb+vsinβ
z2"=vcos β
Wherein：
A is the centre-to-centre spacing of worm and wheel；
β is helical angle；
rbFor base radius；
α is the crossed axis angle of worm gear rotary middle spindle and worm screw rotary middle spindle；
i21For gearratio, that is,
Wherein ω1For the angular velocity vector of worm screw, ω2For the angular velocity vector of worm gear,For the corner of worm screw,For snail
The corner of wheel；
As shown in Fig. 5 Fig. 6, in figure ∑1(o1,x1,y1,z1) and ∑2(o2,x2,y2,z2) be respectively worm screw be fixedly connected with and work
The space fixed coordinates frame (referred to as principal coordinate) of tool generatrix；
∑1'(o1',x1',y1',z1') and ∑2"(o2",x2",y2",z2") it is respectively the space that worm screw and instrument generatrix are fixedly connected with
Moving frame, (x1',y1',z1') it is the space operation frame o being fixedly connected with worm screw1'Corresponding coordinate value, (x2",y2",z2") be
The space operation frame o being fixedly connected with instrument generatrix2"Corresponding coordinate value；
∑2'(o2',x2',y2',z2') for convenience of frame conversion transition frame；
According to the theory of engagement, introduce frame Σ at meshing point4(op,e1,e2,n)；
Σ3(o3,x3,y3,z3)=(o3, u, 0, the v) coordinate system being connected with worm gear teeth, u, v are respectively and worm gear teeth
Connected coordinate origin o3With respect to the space fixed coordinate system o being connected with worm gear2X, y-coordinate value；
According to the coordinate system set up and tooth surface equation, the concrete shape of worm screw is by worm gear cornerParameter determination, its China and foreign countries
Engagement worm screwSpan be-π/5～π/5, internal messing worm screwSpan be 4 π/5～8 π/7.
In the present embodiment, as shown in figure 1, being provided with suitable with axially position device positioning head 11 on internal messing worm screw 1
Round platform type hole, is additionally provided with endoporus 16 on internal messing worm screw 1 and the adjacent position of round platform type hole simultaneously, for external toothing worm screw 1
And the assembling of worm gear 2,5, and endoporus 16 is slightly larger in dimension than external toothing worm screw 4 radial dimension, in order to the dress of whole backlash eliminating equipment
Join.
In the present embodiment, engaging tooth 1-1,1-2 of internal messing worm screw 1 are arranged on the inside engaging tooth of internal messing worm screw,
Engaging tooth 4-1,4-2 of external toothing worm screw 4 is arranged on the external toothing tooth of external toothing worm screw, and the corresponding teeth of each worm gear 2,5 is respectively
Engage with inside engaging tooth 1-1,1-2 of internal messing worm screw 1 and the outside flank of tooth 4-1,4-2 of external toothing worm screw 4；α returns for worm gear
Turn the crossed axis angle of central shaft and worm screw rotary middle spindle, when α=0, the worm shaft in this device is orthogonal thereto with worm-gear output shaft
Alternative form；When α ≠ 0, the worm shaft in this device is in nonopiate alternative form with worm-gear output shaft, and each power output shaft
All in the centre of gyration of each worm gear.
Embodiment 2：
As shown in figure 4, the quantity of preferably turbine is 4 in the present embodiment, respectively turbine 2,5,13,15, corresponding dynamic
The quantity of power output shaft is also 4, respectively power output shaft 3,6,12,14.
Above-described embodiment midplane envelope internal messing worm screw automatic gap eliminating device can achieve that power inputs 2 or 4 by twin worm
Worm gear exports (such as Fig. 3, shown in Fig. 4) simultaneously, and certain 2 and 4 worm gears are the preferred embodiments in embodiment hereof, 1 or 3 or
The output of 5 or more worm gear is also within the scope of the present invention.
Operation principle the following detailed description of the present invention：
The keyway end of external toothing worm screw 1 is connected with the power output shaft of motor by shaft coupling, turns under the drive of motor
Dynamic, it is arranged on the internal messing worm screw 4 also concomitant rotation on external toothing worm screw 1, worm gear 2,5,13,15 is in internal messing worm screw 1 and outer
It is also carried out rotating under the common driving of engagement worm screw 4, in the presence of axially position device, the engaging tooth 1-1 of external toothing worm screw 1,
The right flank of 1-2 and worm gear 2,5,13,15 keeps contacting, engaging tooth 4-1,4-2 of internal messing worm screw 4 and worm gear 2,5,13,
15 left flank keeps contact, when there is abrasion in transmission in the flank of tooth of worm screw, worm gear, the adjustment bullet in axially position device
Spring 10 will promote positioning head 11 to move axially along external toothing worm screw 4 axle, thus promoting internal messing worm screw 1 along external toothing worm screw 4
Axial movement, so that internal messing worm screw 1 is remained with the flank of tooth of external toothing worm screw 4 and worm gear 2,5,13,15 and contact, automatically enter
Row backlash compensates, and realizes worm geared automatic anti-backlash.
It can be professional and technical personnel in the field's realization or use that above-mentioned embodiment is intended to illustrate the present invention, to above-mentioned
Embodiment is modified and be will be apparent from for those skilled in the art, therefore the present invention includes but is not limited to
Above-mentioned embodiment, any meet the claims or specification description, meet with principles disclosed herein and novelty,
The method of inventive features, technique, product, each fall within protection scope of the present invention.
Claims (10)
1., it is characterised in that including an internal messing worm screw, one is real for a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device
The external toothing worm screw of existing power input, described internal messing worm screw center is provided with pilot hole, and described external toothing worm screw passes through axially fixed
Position device is axially movably installed in described assembling in the hole, and the engaging tooth of described external toothing worm screw is located inside described internal messing worm screw,
It is provided with several inside described internal messing worm screw and each is meshed with described internal messing worm screw and described external toothing worm screw simultaneously
Worm gear, each described worm gear is provided with a power output shaft and extends to outside described internal messing worm screw.
2. planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 1 is it is characterised in that described interior
Engagement worm screw and the mesh equation that is meshed with the described worm gear field of conjugate action of described external toothing worm screw are：
x2"=u
y2"=-rb+vsinβ
z2"=vcos β
Wherein：A is the centre-to-centre spacing of worm and wheel, and β is helical angle；i21For gearratio,For the corner of worm screw,For worm gear
Corner, rbFor base radius, α is the crossed axis angle of worm gear rotary middle spindle and worm screw rotary middle spindle, and u, v are respectively and worm gear
The coordinate origin o that the gear teeth are connected3With respect to the position fixing system o being connected with worm gear2X, y-coordinate value, ∑1'(o1',x1',y1',
z1') and ∑2"(o2",x2",y2",z2") it is respectively the space operation frame that worm screw and instrument generatrix are fixedly connected with.
3. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 1 is it is characterised in that institute
Stating internal messing worm screw is bowl-type planar double enveloping worm, and described external toothing worm screw is planar double enveloping worm, described interior nibbles
Close worm screw, described external toothing worm screw is formed by same tooth surface equation envelope, and its shape takes to the different piece of double enveloping.
4. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 2 is it is characterised in that institute
Stating worm gear has 2, and symmetrical, and two described power output shafts prolong axially opposite direction and stretch out outside described internal messing worm screw
Portion.
5. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 2 is it is characterised in that institute
Stating worm gear has 4, and is located at described internal messing worm screw respectively near two orthogonal diameter two ends of the rim of a bowl, described in four
Power output shaft counter clockwise direction is stretched out outside described planar envelope internal messing worm screw, and power output shaft described in adjacent two is axially
It is mutually perpendicular to.
6. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to any one of claim 1-4, it is special
Levy and be, described power output shaft is fixedly connected on described worm gear center, and perpendicular to described worm gear axial cross section.
7. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to any one of claim 1-4, it is special
Levy and be, inside described pilot hole, be provided with circular platform type cavity, and described cavity small-caliber end is inside described internal messing worm screw,
One end away from described external toothing worm engaging tooth is provided with keyway, is thread spindle near the worm shaft of described keyway, described axial direction
Locator is sheathed between described thread spindle and described internal messing worm screw, and is fixed by nut.
8. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 7 is it is characterised in that institute
State the positioning head that axially position device includes matching with described circular platform type cavity, described positioning head head apical grafting is little in described cavity
Bore inwall, afterbody connects one end of flexible member, other end connection fixing base, is provided between described fixed seat and described nut
Packing ring.
9. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 7 is it is characterised in that institute
State the small-bore place of cavity and be provided with an endoporus, described endoporus aperture is more than described external toothing worm shaft radial section diameter.
10. a kind of planar envelope internal messing worm and wormwheel automatic gap eliminating device according to claim 8 it is characterised in that
Described flexible member is adjustment spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510005401.0A CN104675980B (en) | 2015-01-06 | 2015-01-06 | Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510005401.0A CN104675980B (en) | 2015-01-06 | 2015-01-06 | Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104675980A CN104675980A (en) | 2015-06-03 |
| CN104675980B true CN104675980B (en) | 2017-02-22 |
Family
ID=53311412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510005401.0A Active CN104675980B (en) | 2015-01-06 | 2015-01-06 | Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675980B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499774B (en) * | 2016-12-29 | 2018-10-30 | 成都中良川工科技有限公司 | A kind of transmission decelerating device |
| CN108050226A (en) * | 2018-01-12 | 2018-05-18 | 西安施迈传动科技有限公司 | A kind of speed change gear of single-power input twin shaft friction speed synchronization right angle output |
| CN108413924A (en) * | 2018-05-25 | 2018-08-17 | 郑州机械研究所有限公司 | A kind of high-accuracy circular dividing device of two-dimensional pointing mechanism |
| CN113175498B (en) * | 2021-05-18 | 2022-07-08 | 成都理工大学 | Combined worm and gear transmission mechanism and machining method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2073146C1 (en) * | 1992-10-26 | 1997-02-10 | Научно-внедренческое предприятие "Инженерно-технический центр АвтоВАЗ техобслуживание" | Worm gear with controllable clearance |
| CN2293680Y (en) * | 1997-04-08 | 1998-10-07 | 哈尔滨工业大学 | Rolling contact planetary worm driving device |
| CN2464992Y (en) * | 2000-07-14 | 2001-12-12 | 福州大学 | Ultracircular surface planetary worm transmitted oil film load-homogenizer |
| CN2487918Y (en) * | 2001-06-28 | 2002-04-24 | 上海师范大学 | Planetary worm gearing |
| CN2525304Y (en) * | 2002-02-04 | 2002-12-11 | 王利民 | Hindley screw inner engaged speed reducing unit |
| CN1858464A (en) * | 2006-06-05 | 2006-11-08 | 四川大学 | Controllable worm wheel and worm planet stepless speed changing driving device |
| CN201013866Y (en) * | 2007-03-30 | 2008-01-30 | 长沙四素堂实业有限公司 | Toroidal surface planet worm screw speed increaser |
| CN202402574U (en) * | 2011-12-29 | 2012-08-29 | 天津市津东华明纸箱厂 | Planet gear mounting structure for planetary worm gear mechanism |
| CN103423382A (en) * | 2013-09-04 | 2013-12-04 | 西华大学 | Two-segment enveloping worm end face meshing worm transmission device |
| CN203488637U (en) * | 2013-09-04 | 2014-03-19 | 西华大学 | Double-section enveloping ring surface worm drive device with meshed end faces |
| CN103742597A (en) * | 2014-01-10 | 2014-04-23 | 西华大学 | Heavy load internal gearing drum worm transmission reduction gear |
| CN204387290U (en) * | 2015-01-06 | 2015-06-10 | 西华大学 | A kind of planar envelope internal messing worm and worm gear automatic gap eliminating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008081228A1 (en) * | 2007-01-03 | 2008-07-10 | Modelo Metalico, S.A. | Spiral gear drive train |
-
2015
- 2015-01-06 CN CN201510005401.0A patent/CN104675980B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2073146C1 (en) * | 1992-10-26 | 1997-02-10 | Научно-внедренческое предприятие "Инженерно-технический центр АвтоВАЗ техобслуживание" | Worm gear with controllable clearance |
| CN2293680Y (en) * | 1997-04-08 | 1998-10-07 | 哈尔滨工业大学 | Rolling contact planetary worm driving device |
| CN2464992Y (en) * | 2000-07-14 | 2001-12-12 | 福州大学 | Ultracircular surface planetary worm transmitted oil film load-homogenizer |
| CN2487918Y (en) * | 2001-06-28 | 2002-04-24 | 上海师范大学 | Planetary worm gearing |
| CN2525304Y (en) * | 2002-02-04 | 2002-12-11 | 王利民 | Hindley screw inner engaged speed reducing unit |
| CN1858464A (en) * | 2006-06-05 | 2006-11-08 | 四川大学 | Controllable worm wheel and worm planet stepless speed changing driving device |
| CN201013866Y (en) * | 2007-03-30 | 2008-01-30 | 长沙四素堂实业有限公司 | Toroidal surface planet worm screw speed increaser |
| CN202402574U (en) * | 2011-12-29 | 2012-08-29 | 天津市津东华明纸箱厂 | Planet gear mounting structure for planetary worm gear mechanism |
| CN103423382A (en) * | 2013-09-04 | 2013-12-04 | 西华大学 | Two-segment enveloping worm end face meshing worm transmission device |
| CN203488637U (en) * | 2013-09-04 | 2014-03-19 | 西华大学 | Double-section enveloping ring surface worm drive device with meshed end faces |
| CN103742597A (en) * | 2014-01-10 | 2014-04-23 | 西华大学 | Heavy load internal gearing drum worm transmission reduction gear |
| CN204387290U (en) * | 2015-01-06 | 2015-06-10 | 西华大学 | A kind of planar envelope internal messing worm and worm gear automatic gap eliminating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104675980A (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104675980B (en) | Automatic plane-enveloping internal-meshing worm and worm gear clearance elimination device | |
| JP7160413B2 (en) | Planetary reduction motor and multi-joint robot that can achieve complete closed-loop control | |
| CN104565333A (en) | Method for automatically eliminating limited angle gear backlash | |
| CN207750454U (en) | Combined type cycloid planetary speed reducer | |
| CN110630720B (en) | Cycloidal-like gear reducer | |
| CN105108554A (en) | Gear backlash eliminating structure for gear transmission mechanism | |
| CN110293311B (en) | High-precision speed reducer duplex gear production device for robot and use method | |
| CN104534030B (en) | Roller envelope internal messing Worm and Worm Gear Driving device | |
| CN205350242U (en) | No return difference single -stage cycloid awl tooth reduction gear | |
| CN206592492U (en) | A kind of poor tooth reductor of high-accuracy cycloid | |
| CN205639490U (en) | Poor electric steering engine drive mechanism of few tooth | |
| CN110802422B (en) | Non-return difference machine tool rotary table | |
| JP2015075139A (en) | Gear mechanism | |
| CN206246607U (en) | A kind of prolate cycloid RV deceleration devices | |
| CN204387290U (en) | A kind of planar envelope internal messing worm and worm gear automatic gap eliminating device | |
| CN105065584A (en) | Hypocycloid speed reducer | |
| RU2123627C1 (en) | Cycloidal reduction gear | |
| CN204900698U (en) | Interior cycloid reducer | |
| CN204852216U (en) | Awl tooth swing speed change gear | |
| CN204904273U (en) | Roller envelope inner gearing worm and wormwheel transmission | |
| CN210208929U (en) | Gear turning machine tool for processing face gear | |
| TWI568958B (en) | Cam type double rotary shaft structure | |
| CN203696560U (en) | Backlash eliminating structure of gear transmission mechanism | |
| CN209925523U (en) | Planetary cycloidal speed reducer for light robot | |
| CN217056177U (en) | Central arrangement based U-shaft mechanism of ZUWGW type planetary differential |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170906 Address after: Jinjiang District Jinhua Road Chengdu City, Sichuan province 610000 section of No. 8 Building 1 6 unit 13 floor No. 1302 Patentee after: Chengdu Zhongliang Electronic Technology Co., Ltd. Address before: 610039 Pixian City, Chengdu Province Red Town, street, No. 81 Patentee before: Xihua University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190422 Address after: 611730 No. 402, 4th Floor, Unit 1, Building 9, No. 146, North Section of Hongqi Avenue, Deyuan Town (Jingrong Town), Pidu District, Chengdu City, Sichuan Province Patentee after: Chengdu Zhongliang Sichuan Technology Co., Ltd. Address before: 610000 No. 8, No. 1, No. 6, Unit 13, Layer 1302, No. 1, Jinhua Road, Jinjiang District, Chengdu City, Sichuan Province Patentee before: Chengdu Zhongliang Electronic Technology Co., Ltd. |