CN103758953B - A kind of mechanical stepless speed regulator - Google Patents
A kind of mechanical stepless speed regulator Download PDFInfo
- Publication number
- CN103758953B CN103758953B CN201410028825.4A CN201410028825A CN103758953B CN 103758953 B CN103758953 B CN 103758953B CN 201410028825 A CN201410028825 A CN 201410028825A CN 103758953 B CN103758953 B CN 103758953B
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- China
- Prior art keywords
- ball bearing
- housing
- output shaft
- deep groove
- moving plate
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Classifications
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/40—Gearings providing a continuous range of gear ratios in which two members co-operative by means of balls, or rollers of uniform effective diameter, not mounted on shafts
Abstract
The present invention discloses a kind of mechanical stepless speed regulator, comprise the active dish being connected with input shaft and be connected with output shaft from Moving plate, input shaft between driving toothed gear and active dish is provided with deep groove ball bearing, butterfly spring, thrust ball bearing successively, it is provided with bearing housing between driving toothed gear, deep groove ball bearing and upper cover, on be covered with pressurizing nut, pressurizing nut and bearing housing touch; Initiatively dish is with from Moving plate relative misalignment, being also provided with isolation circle between the two, and isolation circle is equidistantly distributed with some transmission steel balls, and one end that governor rod stretches in housing is connected with eccentric cover, is provided with spot contact bearing between eccentric cover and isolation circle; Thrust ball bearing it is provided with successively and deep groove ball bearing carries out power transmission from the output shaft between Moving plate and follower gear. It is an advantage of the invention that: this mechanical stepless speed regulator structure is simple, and part is easy to make, and cost is low, and general small-sized machine factory can manufacture use, and versatility is good; Assembling, convenience easy to maintenance; Noise is low, and speed governing is effective.
Description
Technical field
The present invention relates to the transmission system of metal cutting machine and universal machine, particularly relate to a kind of mechanical stepless speed regulator for main transmission system.
Background technology
At present, stepless speed regulation technology lathe and machinery in be widely used, compared with step speed regulation technology, its advantage applies exists: can speed governing in running, to obtain the most rational movement velocity; Can realizing Long-distance Control even automatically to control, speed governing is convenient and strength-saving.
The realization of stepless speed regulation mainly contains two approach, and one is based on friction transmission power, changes the mechanical stepless speed-regulating that input and output transmission radius reaches speed change; Two is with the electric stepless speed regulation of variable-frequency variable-voltage direct conversion motor speed. In addition, using less pneumatic in addition, hydraulic stepless speed regulating etc., the commodity that most mechanical stepless speed regulator has formed seriation are supplied in market, but these governor structures are complicated, operation inconvenience, simultaneously also because the factors such as volume, price, parameter are difficult on lathe generally apply. The mechanical stepless speed regulator overwhelming majority Dou Shi lathe producer adopted on present stage lathe designs voluntarily, and structure is different, and standard differs, and versatility is too poor, adds production cost to a certain extent.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, and versatility is good, and is convenient to the mechanical stepless speed regulator of making in site, assembling and maintenance.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of mechanical stepless speed regulator, comprise the input shaft being connected with driving toothed gear, the output shaft being connected with follower gear, the housing being made up of upper cover and casing and speed regulating handwheel, housing is provided with and stretches out its outer governor rod, governor rod is connected with speed regulating handwheel by screw rod, speed regulating handwheel is fixed on lathe case wall, the inside of housing be provided with the active dish being connected with input shaft and be connected with output shaft from Moving plate, input shaft between driving toothed gear and active dish is provided with deep groove ball bearing successively, butterfly spring, thrust ball bearing, the lower end of deep groove ball bearing is connected with the Upper gasket of butterfly spring, the lower gasket of butterfly spring is connected with thrust ball bearing, bearing housing it is provided with between driving toothed gear and deep groove ball bearing and upper cover, on be covered with pressurizing nut, pressurizing nut and bearing housing touch, initiatively dish is with from Moving plate relative misalignment, being also provided with isolation circle between the two, and isolation circle is equidistantly distributed with some transmission steel balls, and one end that governor rod stretches in housing is connected with eccentric cover, is provided with spot contact bearing between eccentric cover and isolation circle, thrust ball bearing it is provided with successively and deep groove ball bearing carries out power transmission from the output shaft between Moving plate and follower gear.
It is covered with filler plug on above-mentioned, it is provided with oil drain plug bottom casing, is tightly connected by sealing-ring bottom casing and between output shaft, so that this speed regulator is lubricated.
Above-mentioned output shaft is also fixed with Rotating speed measring display unit, to show the output speed of this speed regulator in real time.
The true circularity of above-mentioned transmission steel ball is 0.0019-0.0021mm.
It is an advantage of the invention that: this mechanical stepless speed regulator structure is simple, and part is easy to make, and cost is low, and general small-sized machine factory can manufacture use, and versatility is good; Assembling, convenience easy to maintenance; Noise is low, and speed governing is effective.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the sectional structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of the present invention;
Fig. 3 is the transmission principle figure of the present invention.
Wherein, 1, speed regulating handwheel, 2, screw rod, 3, governor rod, 4, upper cover, 5, filler plug, 6, deep groove ball bearing, 7, bearing housing, 8, driving toothed gear, 9, initiatively dish, 91, input shaft, 10, pressurizing nut, 11, butterfly spring, 12, thrust ball bearing, 13, spot contact bearing, 14, eccentric cover, 15, oil drain plug, 16, sealing-ring, 17, transmission steel ball, 18, isolation circle, 19, casing, 20, lathe case wall, 8 ', follower gear, 9 ', from Moving plate, 91 ', output shaft, a, initiatively dish and from the eccentricity between Moving plate, b, distance between active disk center and isolation circle center, c, distance between driven disk center and isolation circle center.
Embodiment:
As depicted in figs. 1 and 2, a kind of mechanical stepless speed regulator, comprise the input shaft 91 being connected with driving toothed gear 8, with the output shaft 91 ' that follower gear 8 ' is connected, the housing being made up of upper cover 4 and casing 19 and speed regulating handwheel 1, housing is provided with and stretches out its outer governor rod 3, governor rod 3 is connected with speed regulating handwheel 1 by screw rod 2, speed regulating handwheel 1 is fixed on lathe case wall 20, the inside of housing the active dish 9 being connected with input shaft 91 is installed and be connected with output shaft 91 ' from Moving plate 9 ', input shaft 91 between driving toothed gear 8 and active dish 9 is provided with deep groove ball bearing 6 successively, butterfly spring 11, thrust ball bearing 12, the lower end of deep groove ball bearing 6 is connected with the Upper gasket of butterfly spring 11, the lower gasket of butterfly spring 11 is connected with thrust ball bearing 12, driving toothed gear 8, bearing housing 7 it is provided with between deep groove ball bearing 6 and upper cover 4, upper cover 4 is provided with pressurizing nut 10, pressurizing nut 10 and bearing housing 7 touch, initiatively dish 9 is with from Moving plate 9 ' relative misalignment 6mm, also it is provided with isolation circle 18 between the two, equidistantly to be distributed with 12 true circularity on isolation circle 18 be 0.002mm, diameter be 11.906 transmission steel ball 17, one end that governor rod 3 stretches in housing is connected with eccentric cover 14, is provided with spot contact bearing 13 between eccentric cover 14 and isolation circle 18, thrust ball bearing it is provided with successively and deep groove ball bearing carries out power transmission from the output shaft 91 ' between Moving plate 9 ' and follower gear 8 '.
This speed regulator upper cover 4 is provided with filler plug 5, is provided with oil drain plug 15 bottom casing 19, is tightly connected by sealing-ring 16 bottom casing 19 and between output shaft 91 ', carries out sufficient lubrication with the parts to enclosure interior, it is to increase the working efficiency of speed regulator; Output shaft 91 ' is also fixed with Rotating speed measring display unit, to show the rotating speed of follower gear 8 ' in real time, is convenient to speed governing; Initiatively dish 9 and be the finished product of precision work after hardening with quality matetrial from Moving plate 9 ', such as GCr15, to guarantee its high-wearing feature and high planeness and end jumping precision.
When this speed regulator works, driving toothed gear 8 rotates, pull pressurizing nut 10 and apply downward power to bearing housing 7, power is passed to initiatively dish 9 by deep groove ball bearing 6, butterfly spring 11 and thrust ball bearing 12 by bearing housing 7 further, making initiatively dish 9 exert pressure to transmission steel ball 17 downwards while self rotates with input shaft 91, transmission steel ball 17 is by drive isolation circle 18 after power, from Moving plate 9 ' and output shaft 91 ' rotary motion, on the other hand, rotate speed regulating handwheel 1, the screw rod 2 that speed regulating handwheel 1 connects by being attached thereto, governor rod 3, spot contact bearing 13 and eccentric cover 14 allow the isolation circle 18 rotated do stable horizontal reciprocating motion, to carry out speed governing, concrete as shown in Figure 3: initiatively dish 9 and be a from the eccentricity between Moving plate 9 ', also it is the above-mentioned active dish 9 mentioned and the distance 6mm staggered between Moving plate 9 ', the distance that initiatively dish 9 center and isolation are enclosed between 18 centers is b, the distance enclosed between 18 centers from Moving plate 9 ' center and isolation is c, initiatively dish 9 exerting pressure to transmission steel ball 17 downwards, make transmission steel ball 17 in isolation circle 18 revolution and rotation produces frictional force and rotary motion passed to from Moving plate 9 ' and output shaft 91 ', meanwhile, change b and c by the horizontal reciprocating motion of isolation circle 18, as b>c time, increase from Moving plate 9 ' and output shaft 91 ' rotating speed, as b,<during c, reducing from Moving plate 9 ' and output shaft 91 ' rotating speed, finally make the rotating speed of follower gear 8 ' synchronously increase with output shaft 91 ' or reduce, speed range is 0-30, and efficiency is between 80% to 90%, is applicable to general lathe and machinery.
Claims (4)
1. a mechanical stepless speed regulator, comprise the input shaft being connected with driving toothed gear, the output shaft being connected with follower gear, the housing being made up of upper cover and casing and speed regulating handwheel, described housing is provided with and stretches out its outer governor rod, described governor rod is connected with speed regulating handwheel by screw rod, described speed regulating handwheel is fixed on lathe case wall, the inside of described housing be provided with the active dish being connected with input shaft and be connected with output shaft from Moving plate, it is characterized in that: the input shaft between described driving toothed gear and active dish is provided with deep groove ball bearing successively, butterfly spring, thrust ball bearing, the lower end of described deep groove ball bearing is connected with the Upper gasket of butterfly spring, the lower gasket of described butterfly spring is connected with thrust ball bearing, described driving toothed gear, bearing housing it is provided with between deep groove ball bearing and upper cover, pressurizing nut it is covered with on described, described pressurizing nut and bearing housing touch, described active dish, with from Moving plate relative misalignment, being also provided with isolation circle between the two, described isolation circle is equidistantly distributed with some transmission steel balls, and one end that described governor rod stretches in housing is connected with eccentric cover, is provided with spot contact bearing between described bias cover and isolation circle, described from the output shaft between Moving plate and follower gear, it is provided with thrust ball bearing successively and deep groove ball bearing carries out power transmission.
2. a kind of mechanical stepless speed regulator according to claim 1, it is characterised in that: it is covered with filler plug on described, bottom described casing, it is provided with oil drain plug, be tightly connected by sealing-ring bottom described casing and between output shaft.
3. a kind of mechanical stepless speed regulator according to claim 1, it is characterised in that: described output shaft is also fixed with Rotating speed measring display unit.
4. a kind of mechanical stepless speed regulator according to claim 1, it is characterised in that: the true circularity of described transmission steel ball is 0.0019-0.0021mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028825.4A CN103758953B (en) | 2014-01-22 | 2014-01-22 | A kind of mechanical stepless speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028825.4A CN103758953B (en) | 2014-01-22 | 2014-01-22 | A kind of mechanical stepless speed regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103758953A CN103758953A (en) | 2014-04-30 |
| CN103758953B true CN103758953B (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410028825.4A Active CN103758953B (en) | 2014-01-22 | 2014-01-22 | A kind of mechanical stepless speed regulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103758953B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595314A (en) * | 2019-01-30 | 2019-04-09 | 济南大学 | Electric roller formula variable speed assembly for electric vehicle and its application method |
| CN111288146B (en) * | 2020-02-14 | 2021-07-20 | 株洲齿轮有限责任公司 | Transmission and automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203703029U (en) * | 2014-01-22 | 2014-07-09 | 南通西马特机器制造有限公司 | Mechanical stepless speed adjusting gear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3424018A (en) * | 1966-08-17 | 1969-01-28 | Graham Transmissions Inc | Variable transmission |
| US3654812A (en) * | 1970-06-29 | 1972-04-11 | William S Rouverol | Ball-disk drive |
| DE2361993C2 (en) * | 1973-12-13 | 1975-12-04 | P.I.V. Antrieb Werner Reimers Kg, 6380 Bad Homburg | Infinitely adjustable friction disc gear |
| CN2175851Y (en) * | 1993-12-21 | 1994-08-31 | 牛少文 | Double friction-disk stepless speed regulating device |
| CN2532307Y (en) * | 2002-03-23 | 2003-01-22 | 干方飞 | Same-direction coupling type stepless speed change driving differential system |
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2014
- 2014-01-22 CN CN201410028825.4A patent/CN103758953B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203703029U (en) * | 2014-01-22 | 2014-07-09 | 南通西马特机器制造有限公司 | Mechanical stepless speed adjusting gear |
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| CN103758953A (en) | 2014-04-30 |
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