CN108071758A - Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing - Google Patents
Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing Download PDFInfo
- Publication number
- CN108071758A CN108071758A CN201711494735.4A CN201711494735A CN108071758A CN 108071758 A CN108071758 A CN 108071758A CN 201711494735 A CN201711494735 A CN 201711494735A CN 108071758 A CN108071758 A CN 108071758A
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- CN
- China
- Prior art keywords
- axis
- sprocket
- stent
- chain
- centre
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- 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.)
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/035—Gearboxes for gearing with endless flexible members
Abstract
A kind of axis movement becomes the two stage speed change mechanism of centre-to-centre spacing, including housing, lower axis mechanism, upper axis mechanism and chain wheel speed-changing mechanism.Housing is equipped with axial trough and track, and lower axis mechanism is equipped with lower block, and lower block is equipped with axis, upper axis mechanism is equipped with upper pulley, and upper pulley is equipped with axis, lower block and lower block are equipped in track, lower block and upper pulley lower in orbit can move, and be moved up and down so as to fulfill lower axle and upper axis；Chain wheel speed-changing mechanism is the chaindriven gear of two level, it can realize big speed ratio, lower axle is connected to upper axis by chain wheel speed-changing mechanism, by the way of sprocket wheel is installed on two swinging mountings, realizes the gear that gearratio is constant and the movement of transmission shaft relative position changes.
Description
Technical field
The present invention relates to a kind of mechanical transmission mechanism, especially a kind of gearratio is constant and is driven shaft position movement variation
Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing.
Background technology
In mechanical speed change transmission, the centre-to-centre spacing of two axis is typically relatively-stationary, but some situations need two axis
Centre-to-centre spacing be variation, the problem of especially two axis change centre-to-centre spacing during exercise is difficult to solve, typically using flexible axle
Transmission, but flexible axle cannot be driven large torque, especially inapplicable step-up drive.
The content of the invention
To solve the above-mentioned problems, the present invention provides the two stage speed change mechanism that a kind of axis movement becomes centre-to-centre spacing.Using removable
Moving axis and two level sprocket wheel gear, you can solve the problems, such as this.
The technical solution adopted by the present invention to solve the technical problems is：A kind of axis movement becomes the two stage speed change machine of centre-to-centre spacing
Structure, including housing, lower axis mechanism, upper axis mechanism and chain wheel speed-changing mechanism.Housing is equipped with axial trough and track；Lower axis mechanism is under
Axis, bearing, bearing block, lower block, big sprocket wheel, key, locking set and lock nut composition；Upper axis mechanism is by upper axis, bearing, bearing
Seat, upper pulley, axle sleeve, minor sprocket, key, locking set and lock nut composition；Chain wheel speed-changing mechanism is by big sprocket wheel, minor sprocket, double
Join sprocket wheel, stent, jackshaft and chain composition.
Housing is symmetrical cuboid cavity structure, and housing front is equipped with axial trough, two are equipped in the cavity of housing
Track, every track point preceding orbital plane and rear orbital plane.
The structure of lower axis mechanism and upper axis mechanism is essentially identical, and lower axle and upper axis are multi-diameter shafts, is mounted on bearing, locking
Set and lock nut, for bearing in bearing block, bearing block and locking set are fixedly mounted on upper pulley and lower block both sides, locking set
External screw thread is made, screws and is connected with lock nut, there are 4 sheaves on lower block and upper pulley, sheave is rolled by orbital plane
It is dynamic；Stent and big sprocket wheel are installed, big sprocket wheel is key connection on the small shaft end of lower axle；Be equipped on the small shaft end of upper axis axle sleeve,
Stent and minor sprocket, minor sprocket make key connection.
In chain wheel speed-changing mechanism, there are two stents, is mutually isostructural long-armed part, and respectively there is a circular hole at stent both ends,
The other end of lower axle upper bracket and the other end of upper bracing strut are hinged by jackshaft, and duplicate sprocket, duplex chain are cased on jackshaft
Wheel includes big sprocket wheel and minor sprocket, and respectively there is a baffle ring at jackshaft both ends for axially position duplicate sprocket and two stents, two
Stent can be rotated around jackshaft.The minor sprocket in big sprocket wheel and duplicate sprocket in lower axle is connected by chain；In duplicate sprocket
Big sprocket wheel is connected with the minor sprocket of upper axis by chain, forms two level chain drive.
The beneficial effects of the invention are as follows：Two transmission shafts are moved using lower axis mechanism and upper axis mechanism；Become using sprocket wheel
Fast mechanism makes mechanical variable speed device can big speed ratio transmission.Realize that gearratio is constant and the movement variation of transmission shaft relative position
Gear.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the integrally-built isometric front view of expression；
Fig. 2 is the integrally-built rear isometric view of expression；
Fig. 3 is front view；
Fig. 4 is rearview；
Fig. 5 is along the left view of AA cuttings on Fig. 4；
Fig. 6 is along the rearview of BB cuttings on Fig. 5；
Fig. 7 is that two axis move on to the next front view；
Fig. 8 is that two axis move on to the next partial cutaway rearview.
1. housing in figure, 2. axial troughs, 3. lower axles, 4. lock nuts, 5. lockings cover, 6. chains, 7. duplicate sprockets, on 8.
Axis, 9. axle sleeves, 10. lower blocks, 11. bearings, 12. bearing blocks, 13. tracks, 14. minor sprockets, 15. big sprocket wheels, 16. upper pulleys,
17. stent, 18. keys, 19. jackshafts.
Specific embodiment
In Fig. 1 into Fig. 6, the connection of the contexture and parts of expression and position relationship and two axis move on to
The embodiment of position.The present invention includes housing（1）, lower axis mechanism, upper axis mechanism and chain wheel speed-changing mechanism.Housing（1）Equipped with axial trough
（2）And track（13）；Lower axis mechanism is by lower axle（3）, bearing（11）, bearing block（12）, lower block（10）, big sprocket wheel（15）, key
（18）, locking set（5）And lock nut（4）Composition；Upper axis mechanism is by upper axis（8）, bearing（11）, bearing block（12）, upper pulley
（16）, axle sleeve（9）, minor sprocket（14）, key（18）, locking set（5）And lock nut（4）Composition；Chain wheel speed-changing mechanism is by big chain
Wheel（15）, minor sprocket（14）, duplicate sprocket（7）, stent（17）, jackshaft（19）And chain（6）Composition.
Housing（1）It is symmetrical cuboid cavity structure, housing（1）Front is equipped with axial trough（2）, housing（1）Sky
Intracavitary is equipped with two tracks（13）, every track（13）Divide preceding orbital plane and rear orbital plane.
The structure of lower axis mechanism and upper axis mechanism is essentially identical, lower axle（3）With upper axis（8）It is multi-diameter shaft, is mounted on axis
It holds（11）, locking set（5）And lock nut（4）, bearing（11）In bearing block（12）It is interior, bearing block（12）It is covered with locking（5）Gu
Dingan County is mounted in upper pulley（16）And lower block（10）Both sides, locking set（5）External screw thread is made, with lock nut（4）Screw connection,
Lower block（10）And upper pulley（16）On have 4 sheaves, sheave is rolled by orbital plane；Lower axle（3）Small shaft end on pacify
Equipped with stent（17）And big sprocket wheel（15）, big sprocket wheel（15）It is key connection；Upper axis（8）Small shaft end on axle sleeve is installed（9）, branch
Frame（17）And minor sprocket（14）, minor sprocket（14）It is key connection.
In chain wheel speed-changing mechanism, stent（17）There are two, it is mutually isostructural long-armed part, stent（17）Both ends respectively have
One circular hole, lower axle（3）Upper bracket（17）The other end and upper axis（8）Stent（17）The other end by jackshaft（19）It is hinged, in
Countershaft（19）On be cased with duplicate sprocket（7）, duplicate sprocket（7）Including big sprocket wheel and minor sprocket, jackshaft（19）Both ends respectively have one
Baffle ring is used for axially position duplicate sprocket（7）With two stents（17）, two stents（17）It can be around jackshaft（19）It rotates.Lower axle
（3）On big sprocket wheel（15）With duplicate sprocket（7）In minor sprocket by chain（6）Connection；Duplicate sprocket（7）In big sprocket wheel with
Upper axis（8）Minor sprocket（14）By chain（6）Connection forms two level chain drive.
In application, it can also slow down that the present invention, which can be speedup, lower axle（3）As driving shaft, upper axis（8）As export
It is speedup during axis, drive path is from lower axle（3）Big sprocket wheel（15）It is transferred to duplicate sprocket（7）Pinion gear, to duplicate sprocket
（7）Gear wheel, to upper axis（8）Output.Upper axis（8）As driving shaft, lower axle（3）As output shaft when be slow down, be driven road
Line is the inverse process of speedup situation.The present invention can also lock an axis（Lower axle or upper axis）, allow another axis（Upper axis or under
Axis）It is mobile., it is necessary to lower axle during operation（3）With upper axis（8）It is mobile simultaneously：Unscrew lower axle（3）With upper axis（8）Two locking spiral shells
It is female（4）, adjust close to housing（1）Lock nut（4）Leave housing（1）A distance, then lock another lock nut
（4）, form double nut self-locking.Need the mobile and another axis of an axis motionless：As long as unmoving axle is locked close to housing（1）Locking spiral shell
It is female（4）With housing（1）Contact, then lock another lock nut（4）.
Fig. 7 and Fig. 8 is that two axis move on to the next embodiment, represent two axis of the invention move on to the next contexture and
The connection of parts and position relationship.
Claims (1)
1. a kind of axis movement becomes the two stage speed change mechanism of centre-to-centre spacing, including housing（1）, lower axis mechanism, upper axis mechanism and sprocket wheel become
Fast mechanism；Housing（1）Equipped with axial trough（2）And track（13）；Lower axis mechanism is by lower axle（3）, bearing（11）, bearing block（12）, under
Coaster（10）, big sprocket wheel（15）, key（18）, locking set（5）And lock nut（4）Composition；Upper axis mechanism is by upper axis（8）, bearing
（11）, bearing block（12）, upper pulley（16）, axle sleeve（9）, minor sprocket（14）, key（18）, locking set（5）And lock nut（4）Group
Into；Chain wheel speed-changing mechanism is by big sprocket wheel（15）, minor sprocket（14）, duplicate sprocket（7）, stent（17）, jackshaft（19）And chain
（6）Composition, it is characterized in that：Housing（1）It is symmetrical cuboid cavity structure, housing（1）Front is equipped with axial trough（2）, shell
Body（1）Cavity in be equipped with two tracks（13）, every track point preceding orbital plane and rear orbital plane；Lower axis mechanism and upper axis mechanism
Structure it is essentially identical, lower axle（3）It is multi-diameter shaft with upper axis, is mounted on bearing（11）, locking set（5）And lock nut（4）,
Bearing（11）In bearing block（12）It is interior, bearing block（12）It is covered with locking（5）It is fixedly mounted on upper pulley（16）And lower block（10）
Both sides, locking set（5）External screw thread is made, with lock nut（4）Screw connection, lower block（10）And upper pulley（16）On have 4
A sheave, sheave are rolled by orbital plane；Lower axle（3）Small shaft end on stent is installed（17）And big sprocket wheel（15）, big chain
Wheel（15）It is key connection；Upper axis（8）Small shaft end on axle sleeve is installed（9）, stent（17）And minor sprocket（14）, minor sprocket（14）
It is key connection；In chain wheel speed-changing mechanism, stent（17）There are two, it is mutually isostructural long-armed part, stent（17）Both ends are each
There are a circular hole, lower axle（3）Upper bracket（17）The other end and upper axis（8）Stent（17）The other end by jackshaft（19）It is hinged,
Jackshaft（19）On be cased with duplicate sprocket（7）, duplicate sprocket（7）Including big sprocket wheel and minor sprocket, jackshaft（19）Both ends respectively have
One baffle ring is used for axially position duplicate sprocket（7）With two stents（17）, two stents（17）It can be around jackshaft（19）It rotates；Under
Axis（3）On big sprocket wheel（15）With duplicate sprocket（7）In minor sprocket by chain（6）Connection；Duplicate sprocket（7）In big sprocket wheel
With upper axis（8）Minor sprocket（14）By chain（6）Connection forms two level chain drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494735.4A CN108071758A (en) | 2017-12-31 | 2017-12-31 | Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711494735.4A CN108071758A (en) | 2017-12-31 | 2017-12-31 | Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108071758A true CN108071758A (en) | 2018-05-25 |
Family
ID=62156379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711494735.4A Pending CN108071758A (en) | 2017-12-31 | 2017-12-31 | Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108071758A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2041907A1 (en) * | 1990-06-12 | 1991-12-13 | Ben Cowan | Variable Speed Transmission |
| JPH05278668A (en) * | 1992-03-30 | 1993-10-26 | Mitsuboshi Belting Ltd | Bicycle with belt type variable speed transmission mechanism |
| CN1467392A (en) * | 2002-07-09 | 2004-01-14 | 勇 沈 | Transmission radius variable cone disc-sprocket wheel transmission piece and engagement driving stepless speed transmission |
| KR20060111916A (en) * | 2005-04-25 | 2006-10-31 | 지엠대우오토앤테크놀로지주식회사 | Mannual transmission of three axis-five stages for vehicle |
| WO2010091601A1 (en) * | 2009-02-11 | 2010-08-19 | Chen Maosheng | Forward stepless speed changing device and method thereof |
| CN102431624A (en) * | 2011-10-01 | 2012-05-02 | 杨其融 | Multistage variable-speed labor-saving high-speed bicycle driven by oscillating bar |
| CN106641168A (en) * | 2016-12-23 | 2017-05-10 | 格源动力有限公司 | Variable-torque differential mechanism with coaxial input and output and different input and output speeds |
| CN207975201U (en) * | 2017-12-31 | 2018-10-16 | 沈阳工业大学 | Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing |
-
2017
- 2017-12-31 CN CN201711494735.4A patent/CN108071758A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2041907A1 (en) * | 1990-06-12 | 1991-12-13 | Ben Cowan | Variable Speed Transmission |
| JPH05278668A (en) * | 1992-03-30 | 1993-10-26 | Mitsuboshi Belting Ltd | Bicycle with belt type variable speed transmission mechanism |
| CN1467392A (en) * | 2002-07-09 | 2004-01-14 | 勇 沈 | Transmission radius variable cone disc-sprocket wheel transmission piece and engagement driving stepless speed transmission |
| KR20060111916A (en) * | 2005-04-25 | 2006-10-31 | 지엠대우오토앤테크놀로지주식회사 | Mannual transmission of three axis-five stages for vehicle |
| WO2010091601A1 (en) * | 2009-02-11 | 2010-08-19 | Chen Maosheng | Forward stepless speed changing device and method thereof |
| CN102431624A (en) * | 2011-10-01 | 2012-05-02 | 杨其融 | Multistage variable-speed labor-saving high-speed bicycle driven by oscillating bar |
| CN106641168A (en) * | 2016-12-23 | 2017-05-10 | 格源动力有限公司 | Variable-torque differential mechanism with coaxial input and output and different input and output speeds |
| CN207975201U (en) * | 2017-12-31 | 2018-10-16 | 沈阳工业大学 | Axis movement becomes the two stage speed change mechanism of centre-to-centre spacing |
Non-Patent Citations (2)
| Title |
|---|
| 于超;: "发动机正时链疲劳及噪声检测试验台设计", 河北农机, no. 03 * |
| 汤宏兵;: "对钻井泥浆泵带泵传动方式的对比和探讨", 科技传播, no. 02 * |
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