CN106958637A - Deceleration device - Google Patents
Deceleration device Download PDFInfo
- Publication number
- CN106958637A CN106958637A CN201610013389.2A CN201610013389A CN106958637A CN 106958637 A CN106958637 A CN 106958637A CN 201610013389 A CN201610013389 A CN 201610013389A CN 106958637 A CN106958637 A CN 106958637A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- external screw
- drive
- thread
- transmission group
- 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.)
- Withdrawn
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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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
Abstract
The present invention provides a kind of deceleration device, it is provided with transmission group, first drive and the second drive, transmission group has axostylus axostyle and shifting seat, axostylus axostyle is arranged in shifting seat, make the shifting seat can be in transverse reciprocating displacement on axostylus axostyle, and displacement seating face is provided with the first external screw thread and the second external screw thread, and second externally threaded helical pitch be more than the first externally threaded helical pitch, and the first drive has the first internal screw-thread screw in the first external screw thread, second drive has the second internal screw-thread screw in the second external screw thread of transmission group, utilize screw thread conversion speed, and then simplify deceleration device, and convenient maintenance and reduction use cost.
Description
Technical field
The present invention relates to a kind of deceleration device, the deceleration device of rate conversion is espespecially used as by the use of screw thread.
Background technology
Press, in the mechanism currently used for transmission power with motion, the application of reductor is quite extensive,
Common reductor have gear reduction unit (Gear reducer), worm decelerating machine (Worm wheel reducer),
Planetary reducer (Planetary gears) etc., it be all to apply gear or gear and worm screw, structure that this little deceleration, which connects,
Complicated and maintenance is difficult, and use cost is higher.
The content of the invention
The main object of the present invention is in that, using screw thread conversion speed, and then simplifies deceleration device, and side
Just repair and reduce use cost.
For up to above-mentioned purpose, the present invention provides a kind of deceleration device, it is characterised in that including at least having：
One transmission group, the transmission group, which has, is provided with positive stop key, shifting seat on axostylus axostyle and shifting seat, axostylus axostyle
The perforation of shifting seat both sides is provided through, shifting seat is parallel in being provided with keyway, keyway on the inwall of perforation
In perforation, and axostylus axostyle is arranged in the perforation of shifting seat, and positive stop key is located in keyway, furthermore, displacement
Seating face is provided with the first external screw thread and the second external screw thread, and the first external screw thread is externally threaded axially in parallel with second
In perforation, the second externally threaded helical pitch is more than the first externally threaded helical pitch；
One first drive, first drive has the first internal thread, and the first internal screw-thread screw is in transmission group
The first external screw thread；
One second drive, second drive has the second internal thread, and the second internal screw-thread screw is in transmission group
The second external screw thread；
Described deceleration device, wherein：The first external screw thread and the second external screw thread of the transmission group be arranged side by side in
Displacement seating face.
Described deceleration device, wherein：The first external screw thread and the second external screw thread of the transmission group overlap in
Displacement seating face.
The present invention also provides a kind of deceleration device, it is characterised in that including at least having：
One transmission group, the transmission group, which has, is provided with positive stop key, shifting seat on axostylus axostyle and shifting seat, axostylus axostyle
The perforation of shifting seat both sides is provided through, shifting seat is provided with keyway on the inwall of perforation, and keyway is parallel
In perforation, and axostylus axostyle is arranged in the perforation of shifting seat, and positive stop key is located in keyway, furthermore, displacement
Seating face is provided with the first external screw thread and the second external screw thread, and the first external screw thread is externally threaded axially in parallel with second
In perforation, the second externally threaded helical pitch is more than the first externally threaded helical pitch；
One first drive, first drive has the first internal thread, and the first internal screw-thread screw is in transmission group
The first external screw thread；
One second drive, second drive has the second internal thread, and the second internal screw-thread screw is in transmission group
The second external screw thread；
One pedestal group, the pedestal group is provided with pedestal, and pedestal set bearing, and transmission group
Pedestal is fixed at axostylus axostyle two ends, and the first drive is positioned with the second drive by bearing retainer.
Described deceleration device, wherein：The first external screw thread and the second external screw thread of the transmission group be arranged side by side in
Displacement seating face.
Described deceleration device, wherein：The first external screw thread and the second external screw thread of the transmission group overlap in
Displacement seating face.
By said structure, when the first drive is rotated, the first internal thread of the first drive can promote
One external screw thread, makes shifting seat in axostylus axostyle top offset, and while shifting seat is moved, shifting seat second outside
Screw thread can promote the second internal thread of the second drive, so that the second drive is rotated, and because of the second external screw thread
Helical pitch be more than the first externally threaded helical pitch, make the second drive slewing rate be less than the first drive.
Brief description of the drawings
Fig. 1 is the profile of first embodiment of the invention.
Fig. 2 is the stereo appearance figure of first embodiment of the invention shifting seat.
Fig. 3 is the action schematic diagram of first embodiment of the invention.
Fig. 4 is the action schematic diagram of second embodiment of the invention.
Fig. 5 is the stereo appearance figure of second embodiment of the invention shifting seat.
Fig. 6 is the profile of third embodiment of the invention.
Description of reference numerals：1st, 5,6- transmission groups；11st, 51,61- axostylus axostyles；111st, 511,611- is spacing
Key；12nd, 52,62- shifting seats；121st, 521,621- perforation；122nd, 522- keyways；123、523、623-
First external screw thread；124th, 524, the external screw threads of 624- second；2nd, the drives of 7- first；21st, spiral shell in 71- first
Line；3rd, the drives of 8- second；31st, the internal threads of 81- second；4- pedestal groups；41- pedestals；42- bearings.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, it can be clearly seen from the figure that, the present invention is provided with transmission group 1, first
Drive 2, the second drive 3 and pedestal group 4, wherein：
The transmission group 1, which has, be provided with positive stop key 111, position on axostylus axostyle 11 and shifting seat 12, axostylus axostyle 11
The perforation 121 that seat 12 is provided through the both sides of shifting seat 12 is moved, shifting seat 12 is on the inwall of perforation 121
Keyway 122 is provided with, keyway 122 is parallel to perforation 121, and axostylus axostyle 11 is arranged in the perforation of shifting seat 12
In 121, and positive stop key 111 is set to be located in keyway 122, furthermore, the surface system of shifting seat 12 has been arranged side by side
Put down the axial direction of first external screw thread 123 and the second external screw thread 124, the first external screw thread 123 and the second external screw thread 124
Row is in perforation 121, and the helical pitch of the second external screw thread 124 is more than the helical pitch of the first external screw thread 123.
First drive 2 has the first internal thread 21, and the first internal thread 21 is screwed together in the first of transmission group 1
External screw thread 123；
Second drive 3 has the second internal thread 31, and the second internal thread 31 is screwed together in the second of transmission group 1
External screw thread 124；
The pedestal group 4 is provided with pedestal 41, and pedestal 41 set bearing 42, and transmission group 1
The two ends of axostylus axostyle 11 be fixed on pedestal 41, the first drive 2 and the second drive 3 are by the support of bearing 42
Positioning.
Refer to shown in Fig. 2 and Fig. 3, it can be clearly seen from the figure that, because the bearing 42 of pedestal group 4 is limited
First drive 2 and the displacement of the second drive 3, allow the first drive 2 and the second drive 3 be only capable of according to
Bearing 42 is pivoted, and the positive stop key 111 of axostylus axostyle 11 limits shifting seat 12 and is only capable of lateral displacement and can not pivot,
Therefore during the rotation of the first drive 2, the first internal thread 21 of the first drive 2 can promote the first external screw thread 123,
Make shifting seat 12 in the top offset of axostylus axostyle 11, and while shifting seat 12 is moved, the meeting of the second external screw thread 124
The second internal thread 31 of the second drive 3 is promoted, so that the second drive 3 is pivoted according to bearing 42, by
The helical pitch of two external screw threads 124 is more than the helical pitch of the first external screw thread 123, makes the slewing rate of the second drive 3 low
In the first drive 2, to reach the purpose of deceleration.
Refer to shown in Fig. 4 and Fig. 5, it can be clearly seen from the figure that, second embodiment of the invention with it is foregoing
First embodiment difference is, the first external screw thread 523 set by the surface of shifting seat 52 of the transmission group 5 with
Second external screw thread 524 is shape in an overlapping, similarly, the axle of the first external screw thread 523 and the second external screw thread 524
To parallel to perforation 521, the helical pitch of the second external screw thread 524 is more than the helical pitch of the first external screw thread 523.
Refer to shown in Fig. 1 and Fig. 6, by Fig. 6 it can be seen that, third embodiment of the invention with it is foregoing
First embodiment difference be, the shifting seat 62 of the 3rd embodiment transmission group 6, its second external screw thread 624
For convex thread, the second internal thread 81 of the second drive 8 is recessed screw thread, and first embodiment transmission group 1
Shifting seat 12, its second external screw thread 124 is recessed screw thread, and the second internal thread 31 of the second drive 3 is convex spiral shell
Line, and 3rd embodiment can equally reach the effect for being same as first embodiment deceleration；Learnt by foregoing,
Second internal thread 21 of the second external screw thread 124,624 of this case transmission group 1,6 and the second drive 2,8,
81, as long as being that recessed screw thread and convex thread cooperate, it must want external screw thread or certain not limit
Be want internal thread just can, the of the first external screw thread 123,623 of transmission group 1,6 and the first drive 2,7
One internal thread 21,71 is also same.
Therefore the present invention is, with lacking, its key technology is that the present invention is utilized the problem of can solving existing
Limiting displacement seat 12,52 is only capable of lateral displacement, and in first of setting different lead on shifting seat 12,52
External screw thread 123,523 and the second external screw thread 124,524, allow the first drive 2 when rotation, utilize first
The first external screw thread 123,523 of promotion of internal thread 21 makes shifting seat 12,52 lateral displacements, and utilizes shifting seat
12nd, 52 lateral displacement, makes the second external screw thread 124,524 promote the second internal thread 31, allows the second transmission
Wheel 3 is rotated, and the slewing rate of the second drive 3 is less than the first drive 2, to reach the purpose of deceleration, and
Deceleration device, convenient maintenance and reduction use cost can be simplified.
Claims (6)
1. a kind of deceleration device, it is characterised in that including at least having：
One transmission group, the transmission group has axostylus axostyle and shifting seat, positive stop key is provided with axostylus axostyle, shifting seat is provided through the perforation of shifting seat both sides, shifting seat on the inwall of perforation in being provided with keyway, keyway is parallel to perforation, and axostylus axostyle is arranged in the perforation of shifting seat, and positive stop key is located in keyway, furthermore, displacement seating face is provided with the first external screw thread and the second external screw thread, the first external screw thread and second it is externally threaded be axially parallel to perforation, the second externally threaded helical pitch is more than the first externally threaded helical pitch；
One first drive, first drive has the first internal thread, and the first internal screw-thread screw is in the first external screw thread of transmission group；
One second drive, second drive has the second internal thread, and the second internal screw-thread screw is in the second external screw thread of transmission group.
2. deceleration device according to claim 1, it is characterised in that：The first external screw thread and the second external screw thread of the transmission group are arranged side by side in displacement seating face.
3. deceleration device according to claim 1, it is characterised in that：The first external screw thread and the second external screw thread of the transmission group are overlapped in displacement seating face.
4. a kind of deceleration device, it is characterised in that including at least having：
One transmission group, the transmission group has axostylus axostyle and shifting seat, positive stop key is provided with axostylus axostyle, shifting seat is provided through the perforation of shifting seat both sides, shifting seat is provided with keyway on the inwall of perforation, keyway is parallel to perforation, and axostylus axostyle is arranged in the perforation of shifting seat, and positive stop key is located in keyway, furthermore, displacement seating face is provided with the first external screw thread and the second external screw thread, the first external screw thread and second it is externally threaded be axially parallel to perforation, the second externally threaded helical pitch is more than the first externally threaded helical pitch；
One first drive, first drive has the first internal thread, and the first internal screw-thread screw is in the first external screw thread of transmission group；
One second drive, second drive has the second internal thread, and the second internal screw-thread screw is in the second external screw thread of transmission group；
One pedestal group, the pedestal group is provided with bearing set in pedestal, and pedestal, and pedestal is fixed at the axostylus axostyle two ends of transmission group, and the first drive is positioned with the second drive by bearing retainer.
5. deceleration device according to claim 4, it is characterised in that：The first external screw thread and the second external screw thread of the transmission group are arranged side by side in displacement seating face.
6. deceleration device according to claim 4, it is characterised in that：The first external screw thread and the second external screw thread of the transmission group are overlapped in displacement seating face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013389.2A CN106958637A (en) | 2016-01-08 | 2016-01-08 | Deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013389.2A CN106958637A (en) | 2016-01-08 | 2016-01-08 | Deceleration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106958637A true CN106958637A (en) | 2017-07-18 |
Family
ID=59480413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013389.2A Withdrawn CN106958637A (en) | 2016-01-08 | 2016-01-08 | Deceleration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106958637A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719069A (en) * | 2005-07-06 | 2006-01-11 | 河北工业大学 | Zero gap speed changing mechanism |
| CN103277475A (en) * | 2013-05-30 | 2013-09-04 | 中国科学院长春光学精密机械与物理研究所 | High-precision constant-transmission-ratio transmission mechanism based on ball screws |
| CN104812990A (en) * | 2012-11-28 | 2015-07-29 | 超豪华油田服务有限公司 | Tubular connection with helically extending torque shoulder |
| CN204572988U (en) * | 2015-03-25 | 2015-08-19 | 西安华欧精密机械有限责任公司 | A kind of high-torque device for providing rotational output |
| FR3027991A1 (en) * | 2014-10-29 | 2016-05-06 | Hadjixenophontos Savvas Phedia | MECHANISM FOR THE TRANSFORMATION OF A LINEAR ALTERNATIVE MOVEMENT INTO A CONTINUOUS CIRCULAR UNIDIRECTIONAL MOVEMENT |
-
2016
- 2016-01-08 CN CN201610013389.2A patent/CN106958637A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719069A (en) * | 2005-07-06 | 2006-01-11 | 河北工业大学 | Zero gap speed changing mechanism |
| CN104812990A (en) * | 2012-11-28 | 2015-07-29 | 超豪华油田服务有限公司 | Tubular connection with helically extending torque shoulder |
| CN103277475A (en) * | 2013-05-30 | 2013-09-04 | 中国科学院长春光学精密机械与物理研究所 | High-precision constant-transmission-ratio transmission mechanism based on ball screws |
| FR3027991A1 (en) * | 2014-10-29 | 2016-05-06 | Hadjixenophontos Savvas Phedia | MECHANISM FOR THE TRANSFORMATION OF A LINEAR ALTERNATIVE MOVEMENT INTO A CONTINUOUS CIRCULAR UNIDIRECTIONAL MOVEMENT |
| CN204572988U (en) * | 2015-03-25 | 2015-08-19 | 西安华欧精密机械有限责任公司 | A kind of high-torque device for providing rotational output |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170718 |
|
| WW01 | Invention patent application withdrawn after publication |