CN108775377A - A kind of turbine and worm rotational structure - Google Patents
A kind of turbine and worm rotational structure Download PDFInfo
- Publication number
- CN108775377A CN108775377A CN201810906205.4A CN201810906205A CN108775377A CN 108775377 A CN108775377 A CN 108775377A CN 201810906205 A CN201810906205 A CN 201810906205A CN 108775377 A CN108775377 A CN 108775377A
- Authority
- CN
- China
- Prior art keywords
- worm
- turbine
- ball
- spiral alveolar
- worm screw
- 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.)
- Pending
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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
- 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
- F16H1/163—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 balls between the co-operating parts
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
Abstract
The invention discloses a kind of turbine and worm rotational structure, including pedestal and it is rotatably arranged on turbine and worm screw, the worm screw is provided with the circulation canal for being covered with ball, and wherein ball is rolled along the track of circulation canal；The circulation canal includes spiral alveolar and the internal channel at connection spiral alveolar both ends；The turbine is provided with several arc tooth sockets compatible with spiral alveolar, at least one or more than one ball are meshed with arc tooth socket in spiral alveolar；When the worm is rotated, it drives ball to be rolled and carries out loopy moving along circulation canal, to push worm gear to rotate, so that turbine, worm screw and ball realize that close gapless rolls cooperation, improve transmission accuracy, it reduces turbine and worm-drive generates abrasion and friction, improve service life and transmission efficiency, and the structure has big load, high intensity, anti-impact force strong.
Description
Technical field
The present invention relates to speed reducer fields, more specifically, it relates to a kind of turbine and worm rotational structure.
Background technology
The transmission of worm and worm wheel is known as worm-drive, and worm-drive is a kind of basic mechanical structure, for being driven two
The movement of a spatial intersecting axis and power, because its reduction ratio is big, compact-sized, stable working, noiseless, can damping vibration, can
The advantages that 90 degree of deflectings, is widely used in various speed reducers.But worm-drive be by worm and worm wheel it
Between the friction of teeth face be driven, therefore its intrinsic disadvantage is that abrasion is big, transmission efficiency is low, precision is poor, influences to slow down
Machine transmission accuracy and transmission efficiency.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of turbine and worm rotational structure, effectively
Improve speed reducer drive precision and transmission efficiency.
To achieve the above object, the present invention provides following technical solutions：
A kind of turbine and worm rotational structure, including pedestal and the turbine being rotatably arranged on pedestal and worm screw, the snail
Bar is provided with the circulation canal for being covered with ball, and wherein ball is freely rolled along the track of circulation canal；
The circulation canal includes spiral alveolar and the internal channel at connection spiral alveolar both ends；
The turbine is provided with several arc tooth sockets compatible with spiral alveolar, in spiral alveolar at least one
Or more than one ball is meshed with arc tooth socket；
When the worm is rotated, it pushes ball to be rolled and carries out loopy moving along circulation canal, make at worm spiral angle
Under, to push worm gear to rotate.
The present invention is further arranged：It is both provided with pilot hole at the both ends of spiral alveolar, the spiral alveolar passes through guiding
Hole is connected with internal channel.
The present invention is further arranged：The worm set is set there are two guide ring, and described two guide rings are separately positioned on spiral shell
On the both ends for revolving tooth socket, and it is provided with guide part at guide ring and pilot hole opposite position, the guide part can guide rolling
Pearl enters on internal channel through pilot hole from spiral alveolar or enters on spiral alveolar from internal channel through pilot hole.
The present invention is further arranged：Inlaid hole is arranged in the worm screw, and there are two mutually matched mistakes for setting in inlaid hole
Semiaxis is spent, the mating surface of each excessively semiaxis is provided with arc inside groove, and two arc inside grooves cooperatively form internal channel.
The present invention is further arranged：The pedestal is arranged the first mounting hole for installing worm screw and for installing turbine
Second mounting hole, first mounting hole and the second mounting hole are connected, and the worm screw is rotatably arranged on the first peace by bearing
It fills in hole, the turbine is rotated also by bearing in the second mounting hole of setting.
Advantageous effect of the present invention：When worm screw rotates as output end, ball is as driving medium, in screw thread lifting angle
Effect is lower to drive worm gear drive, while ball carries out loopy moving due to friction rolling along spiral alveolar and internal channel, instead of passing
It is driven by teeth face direct friction between system worm and worm wheel so that turbine, worm screw and ball realize close gapless rolling
Dynamic cooperation improves transmission accuracy, while worm screw drives turbine rotation by ball, and turbine and worm screw is avoided to be in direct contact, and
Become rolling friction from sliding friction, reduce turbine and worm-drive generates abrasion and friction, improves service life and transmission is imitated
Rate, and the structure has big load, high intensity, anti-impact force strong.
Description of the drawings
Fig. 1 is a kind of sectional view of turbine and worm rotational structure embodiment of the present invention；
Fig. 2 is the sectional view of pedestal；
Fig. 3 is the structural schematic diagram of turbine；
Fig. 4 is worm screw result schematic diagram；
Fig. 5 is the structural schematic diagram of excessive semiaxis；
Fig. 6 is the sectional view of guide ring.
Reference sign：1, pedestal；11, the first mounting hole；12, the second mounting hole；2, turbine；21, arc tooth socket；3,
Worm screw；31, inlaid hole；4, circulation canal；41, spiral alveolar；42, internal channel；43, pilot hole；421, arc inside groove；5, excessively
Semiaxis；6, guide ring；61, guide part；7, ball.
Specific implementation mode
A kind of turbine and worm rotational structure embodiment of the present invention is described in further details with reference to attached drawing 1 to Fig. 6.
A kind of turbine and worm rotational structure, including pedestal 1 and it is rotatably arranged on turbine 2 and worm screw 3, the pedestal 1 is set
It is equipped with the first mounting hole 11 for installing worm screw 3 and the second mounting hole 12 for installing turbine 2, first mounting hole 11
It is connected with the second mounting hole 12, the worm screw 3 is rotatably arranged on by bearing in the first mounting hole 11, and the turbine 2 also leads to
It crosses in bearing rotation the second mounting hole 12 of setting, the turbine 2 being placed in the second mounting hole passes through what is be connected to be partially disposed in first
It is oppositely arranged with worm screw in mounting hole 11, wherein worm screw 3 can be connected with servo motor, and worm screw 3 is driven to rotate.
Wherein the worm screw 3 is provided with the circulation canal 4 for being covered with ball 7, and wherein ball 7 can be along the track of circulation canal 4
It freely rolls, while adjacent ball 7 is mutually closely；The wherein described circulation canal 4 includes spiral alveolar 41 and connection helical tooth
The internal channel 42 at 41 both ends of slot is both provided with pilot hole 43 at the both ends of spiral alveolar 41, and the spiral alveolar 41 is by leading
It is connected to hole 43 with internal channel 42；Wherein spiral alveolar 41 is arranged on 3 surface of worm screw, the cross section of spiral alveolar 41 and rolling
Pearl 7 is adapted, wherein for the ease of processing internal channel 42, inlaid hole 31 is arranged in the worm screw 3, is provided in inlaid hole 31
The mating surface of two mutually matched excessive semiaxis 5, each excessively semiaxis 5 is provided with arc inside groove 421, two arc inside grooves
421 cooperatively form internal channel 42, realize the processing of internal channel 42.
The turbine 2 is provided with several arc tooth sockets 21 compatible with spiral alveolar 41, in spiral alveolar 41 extremely
There are one few or more than one ball 7 is meshed with arc tooth socket 21；So that 7 part of ball for engagement is placed in arc-shaped gear
In slot 21, another part is placed in spiral alveolar 41, in order to ensure turbine 2 and the transmission of worm screw 3, wherein arc tooth socket 21 and helical tooth
41 gap of slot cannot be excessive.
Wherein the worm screw 3 is also arranged there are two guide ring 6, and described two guide rings 6 are separately positioned on spiral alveolar 41
Both ends on, and be provided with guide part 61 at guide ring 6 and 43 opposite position of pilot hole, the guide part 61 can guide rolling
Pearl 7 enters on internal channel 42 through pilot hole 43 from spiral alveolar 41 or enters spiral alveolar 41 from internal channel 42 through pilot hole 43
On so that the ball 7 rolled in spiral alveolar 41 smoothly enters on internal channel 42 through pilot hole 43 or is rolled in internal channel 42
Ball 7 smoothly through pilot hole 43 enter spiral alveolar 41 in, be effectively ensured ball 7 circulation canal 4 carry out loopy moving.
When worm screw 3 rotates as output end, ball 7 is used as driving medium, and whirlpool is driven under the action of screw thread lifting angle
2 transmission of wheel, while ball 7 carries out loopy moving due to friction rolling along spiral alveolar 41 and internal channel 42, instead of conventional worm 3
It is driven by teeth face direct friction between worm gear 2 so that turbine 2, worm screw 3 and ball 7 realize that close gapless rolls
Cooperation improves transmission accuracy, while worm screw drives turbine rotation by ball, becomes rolling friction from sliding friction, reduces whirlpool
Wheel 2 and the transmission generation abrasion of worm screw 3 and friction, improve service life and transmission efficiency, and the structure has load big, high-strength
Degree, anti-impact force are strong.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of turbine and worm rotational structure, it is characterized in that：Including pedestal and the turbine being rotatably arranged on pedestal and worm screw,
The worm screw is provided with the circulation canal for being covered with ball, and wherein ball is freely rolled along the track of circulation canal；
The circulation canal includes spiral alveolar and the internal channel at connection spiral alveolar both ends；
The turbine is provided with several arc tooth sockets compatible with spiral alveolar, in spiral alveolar at least one or
More than one ball is meshed with arc tooth socket；
When the worm is rotated, it pushes ball to be rolled and carries out loopy moving along circulation canal, in the case where worm spiral angle acts on,
To push worm gear to rotate.
2. a kind of turbine and worm rotational structure according to claim 1, it is characterized in that：It is respectively provided at the both ends of spiral alveolar
There are pilot hole, the spiral alveolar to be connected with internal channel by two pilot holes.
3. a kind of turbine and worm rotational structure according to claim 2, it is characterized in that：The worm set is oriented to there are two setting
Ring, described two guide rings are separately positioned on the both ends of spiral alveolar, and are set at guide ring and pilot hole opposite position
It is equipped with guide part, the guide part can guide ball to enter on internal channel or from internal channel through leading through pilot hole from spiral alveolar
Enter on spiral alveolar to hole.
4. a kind of turbine and worm rotational structure according to claim 1 or 2 or 3, it is characterized in that：The worm screw setting is inlayed
Hole, there are two mutually matched excessive semiaxis, the mating surface of each excessively semiaxis to be provided with arc inside groove for setting in inlaid hole,
Two arc inside grooves cooperatively form internal channel.
5. a kind of turbine and worm rotational structure according to claim 1 or 2 or 3, it is characterized in that：The pedestal setting is used for
The first mounting hole of worm screw and the second mounting hole for installing turbine are installed, first mounting hole and the second mounting hole are connected
Logical, the worm screw is rotatably arranged on by bearing in the first mounting hole, and the turbine is also by bearing rotation the second installation of setting
In hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906205.4A CN108775377A (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906205.4A CN108775377A (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108775377A true CN108775377A (en) | 2018-11-09 |
Family
ID=64029148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810906205.4A Pending CN108775377A (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108775377A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510386A (en) * | 2018-11-12 | 2019-03-22 | 温州广信电机有限公司 | A kind of glass lifter motor to prolong the service life |
| CN110107653A (en) * | 2019-05-25 | 2019-08-09 | 石雅 | A kind of circulating steel ball turbine and worm structure and the speed reducer with the structure |
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|---|---|---|---|---|
| AT29679B (en) * | 1906-08-09 | 1907-08-26 | Wilhelm Hoffmann | Split ball bearing for roller mills. |
| CN85107567A (en) * | 1985-10-10 | 1987-04-15 | 西安高压开关厂 | The steel ball worm reducer with circulatory rolling |
| CN2238347Y (en) * | 1995-12-20 | 1996-10-23 | 以光明 | Ball worm gear |
| CN2495852Y (en) * | 2001-08-06 | 2002-06-19 | 西南石油学院 | Circulation ball arc surface worm transmission mechanism |
| FR2911171A1 (en) * | 2007-01-10 | 2008-07-11 | Jtekt Europ Soc Par Actions Si | Mechanical speed reducer for power steering system, has elastic clearance absorbing unit disposed at predetermined position of casing wall of guiding bearing to press bearing in direction of reduction of distance of inter axial |
| CN201326691Y (en) * | 2008-12-31 | 2009-10-14 | 姚华福 | Ball worm gear transmission mechanism |
| CN103213141A (en) * | 2013-05-14 | 2013-07-24 | 莱芜精瑞模具有限公司 | Rolling ball type worm-wheel speed reduction joint for robot |
| CN105443661A (en) * | 2015-12-31 | 2016-03-30 | 刘国青 | Ball screw worm speed reducer |
| CN205244305U (en) * | 2015-12-09 | 2016-05-18 | 河北天阶谐波机械有限公司 | Roll formula worm gear's special worm |
| CN107816512A (en) * | 2017-12-06 | 2018-03-20 | 张德明 | A kind of ball globoid worm pair |
| CN208764248U (en) * | 2018-08-10 | 2019-04-19 | 温州维菱机器人有限公司 | A kind of turbine and worm rotational structure |
-
2018
- 2018-08-10 CN CN201810906205.4A patent/CN108775377A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT29679B (en) * | 1906-08-09 | 1907-08-26 | Wilhelm Hoffmann | Split ball bearing for roller mills. |
| CN85107567A (en) * | 1985-10-10 | 1987-04-15 | 西安高压开关厂 | The steel ball worm reducer with circulatory rolling |
| CN2238347Y (en) * | 1995-12-20 | 1996-10-23 | 以光明 | Ball worm gear |
| CN2495852Y (en) * | 2001-08-06 | 2002-06-19 | 西南石油学院 | Circulation ball arc surface worm transmission mechanism |
| FR2911171A1 (en) * | 2007-01-10 | 2008-07-11 | Jtekt Europ Soc Par Actions Si | Mechanical speed reducer for power steering system, has elastic clearance absorbing unit disposed at predetermined position of casing wall of guiding bearing to press bearing in direction of reduction of distance of inter axial |
| CN201326691Y (en) * | 2008-12-31 | 2009-10-14 | 姚华福 | Ball worm gear transmission mechanism |
| CN103213141A (en) * | 2013-05-14 | 2013-07-24 | 莱芜精瑞模具有限公司 | Rolling ball type worm-wheel speed reduction joint for robot |
| CN205244305U (en) * | 2015-12-09 | 2016-05-18 | 河北天阶谐波机械有限公司 | Roll formula worm gear's special worm |
| CN105443661A (en) * | 2015-12-31 | 2016-03-30 | 刘国青 | Ball screw worm speed reducer |
| CN107816512A (en) * | 2017-12-06 | 2018-03-20 | 张德明 | A kind of ball globoid worm pair |
| CN208764248U (en) * | 2018-08-10 | 2019-04-19 | 温州维菱机器人有限公司 | A kind of turbine and worm rotational structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510386A (en) * | 2018-11-12 | 2019-03-22 | 温州广信电机有限公司 | A kind of glass lifter motor to prolong the service life |
| CN110107653A (en) * | 2019-05-25 | 2019-08-09 | 石雅 | A kind of circulating steel ball turbine and worm structure and the speed reducer with the structure |
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