CN103807398B - A kind of composite sport mechanism - Google Patents
A kind of composite sport mechanism Download PDFInfo
- Publication number
- CN103807398B CN103807398B CN201310694796.0A CN201310694796A CN103807398B CN 103807398 B CN103807398 B CN 103807398B CN 201310694796 A CN201310694796 A CN 201310694796A CN 103807398 B CN103807398 B CN 103807398B
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- Prior art keywords
- output shaft
- processed
- screw rod
- displacement output
- displacement
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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
- 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
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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
- 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
- F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
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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
- 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
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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
- 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
- F16H2025/2028—Screw mechanisms using screw profiles with high efficiency for converting reciprocating motion into oscillating movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of composite sport mechanism, comprise displacement output shaft, position limit pin, mechanism shell, screw rod, screw mandrel, bearing, coupling, rotary drive element, the screw mandrel of this motion provides straight line motion power for displacement output shaft, screw rod provides rotary motion power for displacement output shaft, the form control of restraining groove is utilized to produce straight-line displacement, swing offset and combination displacement, and then determine the output form of displacement output shaft, use this invention that straight line motion and rotary motion can be made to share a set of mechanism, by adjust structure parameter or controling parameters, just can realize the combinative movement sequence of straight line motion and rotary motion, structure is simple, volume, weight and power consumption little, the special for automatic apparatus for production line of production in enormous quantities can be applied in, the aspects such as the automatic open-close of equipment vehicle hatch door, there is good application prospect.
Description
Technical field
The present invention relates to a kind of can the mechanism of combinative movement sequence of accomplish linear motion and rotary motion, belong to mechanism, field of mechanical technique, be specifically related to a kind of composite sport mechanism.
Background technique
In machinery and automatic control engineering application, some equipment needs the combinative movement sequence of accomplish linear motion and rotary motion, this just needs to use straight line movement driving mechanism and rotary motion driving mechanism to replace execution sequence, but the mechanism structure of this pattern is complicated, volume, weight and power consumption are all comparatively large, are often subject to the restrictions such as the installing space of equipment, boundary dimension in the application of reality.
Summary of the invention
In view of this, the invention provides a kind of composite sport mechanism, screw mandrel is utilized to provide straight line motion power for displacement output shaft, screw rod is utilized to provide rotary motion power for displacement output shaft, the form control of restraining groove is utilized to produce straight-line displacement, swing offset or combination displacement, and then determine the output form of displacement output shaft, straight line motion and rotary motion can be made to share a set of mechanism, the combinative movement sequence of straight line motion and rotary motion just can be realized by adjust structure parameter or controling parameters, structure is simple, and volume, weight and power consumption are little.
A kind of composite sport mechanism, comprise displacement output shaft, position limit pin, mechanism shell, screw rod, screw mandrel, bearing, coupling, rotary drive element, wherein, displacement output shaft excircle is processed with radial mounting hole, internal surface is processed with spiral chute, mechanism shell is the round column structure of hollow, internal surface is processed with two axisymmetric axial grooves, the two ends excircle of cylinder is processed with adpting flange respectively, the hollow space of cylinder is divided into small diameter portion and major diameter part, major diameter part is processed with restraining groove, screw rod is the round column structure of hollow, one end excircle is processed with the boss of annular, boss is processed with the auricle of two radial symmetries extended, outer surface is processed with protruding spiral bar, internal surface is processed with screw thread, screw mandrel is round column structure, outer surface is processed with screw thread, one end excircle of rotary drive element is processed with adpting flange, displacement output sleeve is contained in the major diameter part of mechanism shell, can along mechanism shell slide axially or axis around mechanism shell rotates, position limit pin is inserted in the restraining groove of mechanism shell, be arranged in the mounting hole of displacement output shaft simultaneously, screw rod is arranged on the small diameter portion of mechanism shell, and two of screw rod symmetrical auricles are arranged in the groove of mechanism shell, sliding axially of screw rod is led, the spiral bar of screw rod and the spiral chute of displacement output shaft form spiral motion assembly relation, the internal thread of screw rod and the outside thread of screw mandrel are connected, bearing is between screw mandrel and coupling, screw mandrel is connected with the running shaft of rotary drive element by coupling, rotary drive element is fixedly connected with by adpting flange with one end of mechanism shell.
Further, the trend of restraining groove is the two kinds of form combinations of a section of straight line or camber line or more, and the combination order of the length of straightway, the radian of arc and two kinds of forms carries out setting and combining according to concrete output demand.
Further, displacement output shaft internal surface machining spiral groove part or full section, the screw thread process of screw rod 4 internal surface part or full section.
Beneficial effect:
1) the present invention utilizes screw mandrel to provide straight line motion power for displacement output shaft, screw rod is utilized to provide rotary motion power for displacement output shaft, the form control of restraining groove is utilized to produce straight-line displacement, swing offset and combination displacement, and then determine the output form of displacement output shaft, straight line motion and rotary motion can be made to share a set of mechanism, by adjust structure parameter or controling parameters, as the straight-line displacement of straight line and rotary motion, the parameter such as angle displacement and time, just can realize the combinative movement sequence of straight line motion and rotary motion, structure is simple, volume, weight and power consumption little, the special for automatic apparatus for production line of production in enormous quantities can be applied in, the aspects such as the automatic open-close of equipment vehicle hatch door, there is good application prospect.
2) in the embodiment of the present invention, the trend of restraining groove is the two kinds of form combinations of a section of straight line or camber line or more, and the combination order of the length of straightway, the radian of arc and two kinds of forms can carry out setting and combining according to concrete output demand.
When the trend of restraining groove is straight line, displacement output shaft will export straight-line displacement, when the trend of restraining groove is camber line, displacement output shaft will export angle of swing displacement, the trend of restraining groove be straight line, camber line combination time, displacement output shaft will export corresponding straight line and angle of swing displacement, change the length of straightway, the radian of arc and combination order, displacement output shaft just feeds back out corresponding spiral displacement, and the trend of this restraining groove is that composite sport mechanism output form provides the foundation.
3) displacement output shaft 1 internal surface machining spiral groove part or full section in the embodiment of the present invention, the screw thread process of screw rod 4 internal surface part or full section, can process according to concrete difficulty of processing, processing part and full section can realize object of the present invention, process full section and can ensure that cooperation is more stable.
Accompanying drawing explanation
The structural representation of Fig. 1 composite mechanism;
Wherein: 1-displacement output shaft, 2-position limit pin, 3-mechanism shell, 4-screw rod, 5-screw mandrel, 6-bearing, 7-coupling, 8-rotary drive element, 9-restraining groove straightway, 10-restraining groove arc, 11-groove, 12 spiral chutes, 13 mounting holes.
The partial sectional view of Fig. 2 composite mechanism;
Fig. 3 is the structural representation of screw rod;
Fig. 4 is the sectional view of screw rod;
Fig. 5 is the structural representation of mechanism shell;
Fig. 6 is the structural representation of displacement output shaft;
Fig. 7 is the sectional view of displacement output shaft;
Fig. 8 is the trend of restraining groove and the output shaft output displacement effect schematic diagram of generation;
Wherein, the straight line of the trend of a-restraining groove and the axis being parallel of output shaft, displacement output shaft 1 exports straight-line displacement;
The trend of b-restraining groove is the camber line of the rotation of the axis around displacement output shaft 1, and displacement output shaft 1 exports angle of swing displacement diagram;
The trend of c-restraining groove is vertically with around the combination of axis, and displacement output shaft 1 exports straight-line displacement and angle of swing displacement diagram by combination order;
The trend of d-restraining groove is the spiral of the axis of displacement output shaft 1, and displacement output shaft 1 exports the spiral displacement diagram around axis.
Embodiment
Below in conjunction with accompanying drawing, describe the present invention.
A kind of composite sport mechanism, comprise displacement output shaft 1, position limit pin 2, mechanism shell 3, screw rod 4, screw mandrel 5, bearing 6, coupling 7, rotary drive element 8, wherein, displacement output shaft 1 excircle is processed with radial mounting hole 13, internal surface is processed with spiral chute 12, mechanism shell 3 is the round column structure of hollow, the two ends excircle of cylinder is processed with adpting flange respectively, the hollow space of cylinder is divided into small diameter portion and major diameter part, small diameter portion internal surface is processed with two axisymmetric axial grooves 11, major diameter part is processed with restraining groove, screw rod 4 is the round column structure of hollow, one end excircle is processed with the boss of annular, boss is processed with the auricle of two radial symmetries extended, outer surface is processed with protruding spiral bar, internal surface is processed with screw thread, screw mandrel 5 is round column structure, outer surface is processed with screw thread, one end excircle of rotary drive element 8 is processed with adpting flange.
Wherein, the trend of restraining groove is the two kinds of form combinations of a section of straight line or camber line or more, the combination order of the length of straightway, the radian of arc and two kinds of forms can set according to concrete output demand, for composite sport mechanism output form provides the foundation.
Displacement output shaft 1 internal surface machining spiral groove part or full section, the screw thread process of screw rod 4 internal surface part or full section, can process according to concrete difficulty of processing, processing part and full section can realize object of the present invention, process full section and can ensure that cooperation is more stable.
Annexation is: displacement output shaft 1 is sleeved on the major diameter part of mechanism shell 3, can along mechanism shell 3 slide axially or axis around mechanism shell 3 rotates, position limit pin 2 is inserted in the restraining groove of mechanism shell 3, be arranged in the mounting hole 13 of displacement output shaft 1 simultaneously, screw rod 4 is arranged on the small diameter portion of mechanism shell 3, and two of screw rod 4 symmetrical auricles are arranged in the groove 11 of mechanism shell 3, sliding axially of screw rod 4 is led, the spiral bar of screw rod 4 and the spiral chute 12 of displacement output shaft 1 form spiral motion assembly relation, the internal thread of screw rod 4 and the outside thread of screw mandrel 5 are connected, bearing 6 is between screw mandrel 5 and coupling 7, define the degrees of freedom that screw mandrel 5 is axial and radial, screw mandrel 5 is connected with the running shaft of rotary drive element 8 by coupling 7, rotary drive element 8 is fixedly connected with by adpting flange with one end of mechanism shell 3, the other end of mechanism shell 3 is connected with other devices by adpting flange.
A kind of composite sport mechanism, the working principle of this mechanism is:
When screw mandrel 5 is by rotary drive element 8 rotary actuations such as motors, driving screw rod 4 is carried out straight line motion by screw mandrel 5, the spiral bar of screw rod 4 and the spiral chute 12 of displacement output shaft 1, form spiral motion secondary, position limit pin 2 is inserted in the restraining groove of mechanism shell 3, meanwhile, position limit pin 2 is arranged in the mounting hole 13 of displacement output shaft 1, and such position limit pin 2 moves along the trend of mechanism shell 3 restraining groove with regard to limiting displacement output shaft 1.
When the straight line of the trend of the restraining groove of mechanism shell 3 and the axis being parallel of output shaft, as shown in Fig. 59, position limit pin 2 will the rotary freedom of limiting displacement output shaft 1, displacement output shaft 1 and screw rod 4 is made to carry out overall straight line motion along their axis, ensure to there will not be relative movement between screw rod 4 and displacement output shaft 1, so displacement output shaft 1 can only carry out axial straight-line displacement, as shown in a in Fig. 8.
When the trend of the restraining groove of mechanism shell 3 is camber lines of the rotation of axis around displacement output shaft 1, as shown in Fig. 5 10, position limit pin 2 will the straight line motion degrees of freedom of limiting displacement output shaft 1, the spiral salient muscle of screw rod 4 will relative movement in the spiral chute 12 of displacement output shaft 1, thus displacement output shaft 1 is rotated around the axis of mechanism shell 3, at this moment displacement output shaft 1 will export swing offset, as shown in b in Fig. 8.
When the trend of the restraining groove of mechanism shell 3 is with the straight line of the axis being parallel of displacement output shaft 1 with when the combining form of the camber line of the rotation of displacement output shaft 1 axis, position limit pin 2 will make displacement output shaft 1 both export straight-line displacement and also export angle of swing displacement, as shown in c in Fig. 8.
When the radian value of the length value of the straightway of the restraining groove on changing mechanism housing 3 and arc, displacement output shaft 1 will export corresponding straight-line displacement value and angle of swing shift value, straightway and the quantity and the combination order that rotate section of the restraining groove on changing mechanism housing 3, displacement output shaft 1 will be made to export the displacement of the combination order of corresponding straight-line displacement and swing offset, as shown in d in Fig. 8, the trend of restraining groove is the spiral of the axis of displacement output shaft 1, and displacement output shaft 1 exports the spiral displacement diagram around axis.
This composite sport mechanism has been applied on moon exploration program moon sample packaging hardware.
Claims (3)
1. a composite sport mechanism, it is characterized in that, comprise displacement output shaft (1), position limit pin (2), mechanism shell (3), screw rod (4), screw mandrel (5), bearing (6), coupling (7), rotary drive element (8), wherein, displacement output shaft (1) excircle is processed with radial mounting hole, internal surface is processed with spiral chute, the round column structure that mechanism shell (3) is hollow, internal surface is processed with two axisymmetric axial grooves, the two ends excircle of cylinder is processed with adpting flange respectively, the hollow space of cylinder is divided into small diameter portion and major diameter part, major diameter part is processed with restraining groove, the round column structure that screw rod (4) is hollow, one end excircle is processed with the boss of annular, boss is processed with the auricle of two radial symmetries extended, outer surface is processed with protruding spiral bar, internal surface is processed with screw thread, screw mandrel (5) is round column structure, outer surface is processed with screw thread, one end excircle of rotary drive element (8) is processed with adpting flange, displacement output shaft (1) is sleeved on the major diameter part of mechanism shell (3), can along mechanism shell (3) slide axially or axis around mechanism shell (3) rotates, position limit pin (2) is inserted in the restraining groove of mechanism shell (3), be arranged in the mounting hole of displacement output shaft (1) simultaneously, screw rod (4) is arranged on the small diameter portion of mechanism shell (3), and two of screw rod (4) symmetrical auricles are arranged in the groove of mechanism shell (3), sliding axially of screw rod (4) is led, the spiral bar of screw rod (4) and the spiral chute of displacement output shaft (1) form spiral motion assembly relation, the internal thread of screw rod (4) and the outside thread of screw mandrel (5) are connected, bearing (6) is positioned between screw mandrel (5) and coupling (7), screw mandrel (5) is connected by the running shaft of coupling (7) with rotary drive element (8), rotary drive element (8) is fixedly connected with by adpting flange with one end of mechanism shell (3).
2. a kind of composite sport mechanism as claimed in claim 1, it is characterized in that, the trend of described restraining groove is the two kinds of form combinations of a section of straight line or camber line or more, and the combination order of the length of straightway, the radian of arc and two kinds of forms carries out setting and combining according to concrete output demand.
3. a kind of composite sport mechanism as claimed in claim 1, is characterized in that, displacement output shaft (1) internal surface machining spiral groove part or full section, the screw thread process of screw rod (4) internal surface part or full section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694796.0A CN103807398B (en) | 2013-12-17 | 2013-12-17 | A kind of composite sport mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694796.0A CN103807398B (en) | 2013-12-17 | 2013-12-17 | A kind of composite sport mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807398A CN103807398A (en) | 2014-05-21 |
| CN103807398B true CN103807398B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310694796.0A Active CN103807398B (en) | 2013-12-17 | 2013-12-17 | A kind of composite sport mechanism |
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| CN (1) | CN103807398B (en) |
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| CN105173122B (en) * | 2015-09-10 | 2017-05-24 | 兰州空间技术物理研究所 | Connecting device applied between outboard handle of spacecraft and exposed load |
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| CN113083649B (en) * | 2021-03-10 | 2021-12-07 | 同济大学 | Space cam type inertial container |
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| WO1998049464A1 (en) * | 1997-04-30 | 1998-11-05 | Vladislav Poulek | A tube motor |
| JP2000074171A (en) * | 1998-06-15 | 2000-03-07 | Smc Corp | Actuator |
| EP1331420A2 (en) * | 2002-01-29 | 2003-07-30 | TRW Automotive Electronics & Components GmbH & Co. KG | Subassembly with a spindle and a nut |
| CN101082367A (en) * | 2006-06-02 | 2007-12-05 | 上银科技股份有限公司 | Ball screw rod having snap-in end plug |
| CN201723671U (en) * | 2010-06-30 | 2011-01-26 | 邵枫 | Screw shaft speed regulating device |
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2013
- 2013-12-17 CN CN201310694796.0A patent/CN103807398B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07310800A (en) * | 1994-05-17 | 1995-11-28 | Thk Kk | Compound movement driving device |
| WO1998049464A1 (en) * | 1997-04-30 | 1998-11-05 | Vladislav Poulek | A tube motor |
| JP2000074171A (en) * | 1998-06-15 | 2000-03-07 | Smc Corp | Actuator |
| EP1331420A2 (en) * | 2002-01-29 | 2003-07-30 | TRW Automotive Electronics & Components GmbH & Co. KG | Subassembly with a spindle and a nut |
| CN101082367A (en) * | 2006-06-02 | 2007-12-05 | 上银科技股份有限公司 | Ball screw rod having snap-in end plug |
| CN201723671U (en) * | 2010-06-30 | 2011-01-26 | 邵枫 | Screw shaft speed regulating device |
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| Publication number | Publication date |
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| CN103807398A (en) | 2014-05-21 |
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