CN104405829A - Fork-limited two-stage speed change main reducer assembly - Google Patents
Fork-limited two-stage speed change main reducer assembly Download PDFInfo
- Publication number
- CN104405829A CN104405829A CN201410718423.7A CN201410718423A CN104405829A CN 104405829 A CN104405829 A CN 104405829A CN 201410718423 A CN201410718423 A CN 201410718423A CN 104405829 A CN104405829 A CN 104405829A
- Authority
- CN
- China
- Prior art keywords
- gear
- shift fork
- fork
- shaft
- driven
- 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
Links
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
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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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
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a fork-limited two-stage speed change main reducer assembly. The assembly comprises an input shaft, wherein the inner end, penetrating through a box body, of the input shaft is provided with a bevel gear; the bevel gear is engaged with a main driven gear; the main driven gear is fixedly arranged on a driven shaft; the driven shaft is also fixedly provided with a gear hub and a gear sleeve; the gear sleeve can move left and right through driving of a fork; the tail end of the fork pulls the gear sleeve to move; the other end of the fork is fixed to a fork shaft through a pin; the fork shaft penetrates through the box body; the tail end of the fork shaft is hinged to a shift arm; the middle position of the shift arm is hinged to a shift arm bracket; the fork is arranged in a fork hole; the fork hole is an elliptical hole; the side edge of the fork hole is provided with a positioning hole; a positioning pin is arranged in the positioning hole; the root part of the positioning pin is provided with a spring. The shift arm is pulled to rotate around the hinge point of the bracket, and the fork shaft is driven to move left and right, and the gear sleeve is pulled to move.
Description
Technical field
The present invention relates to a kind of tricycle retarder, particularly relate to a kind of tricycle retarder with speed changing function.
Background technique
Speed reducer plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, and speed reducer is a kind of relatively accurate machinery, uses its object to be reduce rotating speed.Speed reducer is generally used for the transmission device of low rotation speed large torque, motor, internal-combustion engine or other power run up are reached the object of deceleration by the gearwheel on the few gears meshing output shaft of the number of teeth on the input shaft of speed reducer, common speed reducer also has and severally reaches desirable slowing effect to same principle gear, the ratio of the number of teeth of large small gear is exactly velocity ratio.
In tricycle, retarder needs transmitting torque, the running of band motor car wheel.But need independently speed changer to carry out speed change to it.The invention provides a kind of retarder with speed changing function.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of retarder of speed changing function, is applied on tricycle, speed change is slowed down and integrally realizes.
The two stage speed change main gearbox assembly that shift fork is spacing, comprises input shaft, and described input shaft is provided with cone gear through the medial extremity of casing, described cone gear engages with main driven gear, main driven gear is fixedly installed on driven shaft, driven shaft is also fixed with tooth hub, tooth cover, tooth cover is driven can be moved left and right by shift fork, the end of described shift fork is stirred tooth cover and is moved, the other end of shift fork is fixed on declutch shift shaft by pivot pin, described declutch shift shaft passes casing, end and gear shift arm hinged, gear shift arm neutral position is hinged on gear shift arm support, described shift fork is arranged in shift fork hole, shift fork hole is slotted eye, the side in shift fork hole is provided with positioning hole, locating stud is provided with in positioning hole, locating stud root is provided with spring.Pull gear shift arm, make it rotate around support articulating point, and drive declutch shift shaft to move left and right, stir tooth cover mobile.The left and right distance of slotted eye is the ultimate range that shift fork moves left and right.By the restoring force of spring, locating stud contacts with shift fork, positions shift fork, and shift fork can not be subjected to displacement.When shift fork is pulled, when occurrence positions change, locating stud overcomes the elasticity of spring, and shift fork is shifted smoothly, and when position is fixed, locating stud return, compresses shift fork, shift fork is located.
As preferably, tooth cover both sides are respectively equipped with high speed driving gear and low-speed active gear, and tooth cover can engage with the end face of high speed driving gear and low-speed active gear respectively; High speed driving gear and low-speed active gear empty set are on driven shaft; Described high speed driving gear engages with high speed driven gear, and low-speed active gear engages with low speed driven gear, and high speed driven gear is connected with differential mechanism respectively with low speed driven gear, and differential mechanism both sides arrange two independent semiaxis respectively.Realize deceleration by cone gear and main driven gear, then realize the speed changing function of retarder by height gear.
As preferably, coordinated between input shaft with casing by two groups of deep groove ball bearings and oil sealing, box inside is also provided with one group of tapered roller bearing.
When shift fork drive tooth cover, tooth hub engage with high speed driving gear time, driving shaft drives cone gear to rotate, cone gear drives the main driven gear be engaged with, main driven gear band moving axis rotates, driven shaft drives high speed driving gear to rotate by tooth hub, tooth cover, high speed driving gear drives the high speed driven gear be engaged with to rotate, and drives differential mechanism running simultaneously, and differential mechanism simultaneously semiaxis rotates.
When shift fork drive tooth cover, tooth hub engage with low-speed active gear time, driving shaft drives cone gear to rotate, cone gear drives the main driven gear be engaged with, main driven gear band moving axis rotates, driven shaft drives low-speed active gear to rotate by tooth hub, tooth cover, low-speed active gear drives the low speed driven gear be engaged with to rotate, and drives differential mechanism running simultaneously, and differential mechanism simultaneously semiaxis rotates.
As mentioned above, the two stage speed change main gearbox assembly that a kind of shift fork of the present invention is spacing, is applied on tricycle, realizes speed change, realizes differential running.Be arranged on back axle, speed changer and main reducing gear are combined together.
Accompanying drawing explanation
Fig. 1 is shown as the mechanism structure schematic diagram of the spacing two stage speed change main gearbox assembly of the shift fork of the embodiment of the present invention.
Structural representation stirred by the shift fork that Fig. 2 is shown as the spacing two stage speed change main gearbox assembly of the shift fork of the embodiment of the present invention.
Fig. 3 is shown as the shifting fork structure schematic diagram of the spacing two stage speed change main gearbox assembly of the shift fork of the embodiment of the present invention.
Piece mark explanation
1------input shaft,
2------cone gear,
3------deep groove ball bearing,
4------oil sealing,
5------taper roller bearing,
6------main driven gear,
7------driven shaft,
8------tooth hub,
9------tooth cover,
10-----shift fork,
11-----high speed driving gear,
12-----low-speed active gear,
13-----high speed driven gear,
14-----low speed driven gear,
15-----differential mechanism,
16,17-----semiaxis,
18-----pivot pin,
19-----declutch shift shaft,
20-----gear shift arm,
21-----gear shift arm support,
22-----shift fork hole,
23-----locating stud,
24-----spring.
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
The two stage speed change main gearbox assembly that shift fork according to Figure of description 1 is spacing, comprise input shaft 1, input shaft 1 extends to box inside end through casing and is provided with cone gear 2, input shaft 1 is coordinated by two groups of deep groove ball bearings 3 and oil sealing 4 with between casing, and box inside is also provided with one group of tapered roller bearing 5.Cone gear 2 engages with main driven gear 6, and main driven gear 6 is fixedly installed on driven shaft 7, and driven shaft 7 is also fixed with tooth hub 8, tooth cover 9, tooth cover 9 is driven can be moved left and right by shift fork 10.Tooth overlaps 9 both sides and is respectively equipped with high speed driving gear 11 and low-speed active gear 12, and tooth cover 9 can engage with the end face of high speed driving gear 11 and low-speed active gear 12 respectively.High speed driving gear 11 and low-speed active gear 12 empty set, on driven shaft 7, to be unpoweredly connected with it, can separately to rotate.
High speed driving gear 11 engages with high speed driven gear 13, and low-speed active gear 12 engages with low speed driven gear 14, and high speed driven gear 13 is connected with differential mechanism 15 respectively with low speed driven gear 14, and differential mechanism 15 both sides arrange two independent semiaxis 16,17 respectively.
When shift fork 10 drive tooth overlap 9, tooth hub 8 engage 11 with high speed driving gear time, driving shaft 1 drives cone gear 2 to rotate, cone gear 2 drives the main driven gear 6 be engaged with, main driven gear 6 drives driven shaft 7 to rotate, driven shaft 7 drives high speed driving gear 11 to rotate by tooth hub 8, tooth cover 9, high speed driving gear 11 drives the high speed driven gear 13 be engaged with to rotate, and drive differential mechanism 15 to operate, differential mechanism 15 drives semiaxis 16,17 to rotate simultaneously simultaneously.
When shift fork 10 drive tooth overlap 9, tooth hub 8 engage with low-speed active gear 12 time, driving shaft 1 drives cone gear 2 to rotate, cone gear 2 drives the main driven gear 6 be engaged with, main driven gear 6 drives driven shaft 7 to rotate, driven shaft 7 drives low-speed active gear 12 to rotate by tooth hub 8, tooth cover 9, low-speed active gear 12 drives the low speed driven gear 14 be engaged with to rotate, and drive differential mechanism 15 to operate, differential mechanism 15 drives semiaxis 16,17 to rotate simultaneously simultaneously.
Realize deceleration by cone gear and main driven gear, then realize the speed changing function of retarder by height gear.
The end of shift fork 10 is stirred tooth cover 9 and is moved, and the other end of shift fork 10 is fixed on declutch shift shaft 19 by pivot pin 18, and declutch shift shaft 19 is horizontally through shift fork 10, and declutch shift shaft 19 moves left and right, and drives shift fork 10 to move left and right, and stirs tooth cover 9 and moves.Declutch shift shaft 19 passes casing, end and gear shift arm 20 hinged, gear shift arm 20 neutral position is hinged on gear shift arm support 21.Pull gear shift arm 20, make it rotate around gear shift arm support 21 articulating point, and drive declutch shift shaft 19 to move left and right.
Shift fork 10 is arranged in shift fork hole 22, and shift fork hole is slotted eye, and the left and right distance of slotted eye is the ultimate range that shift fork moves left and right.The side in shift fork hole 22 is provided with positioning hole, is provided with locating stud 23 in positioning hole, and locating stud 23 root is provided with spring 24, and by the restoring force of spring 24, locating stud 23 contacts with shift fork 10, positions shift fork 10, and shift fork 10 can not be subjected to displacement.When shift fork 10 is pulled, when occurrence positions change, locating stud 23 overcomes the elasticity of spring 24, and shift fork 10 is shifted smoothly, and when position is fixed, locating stud 23 return, compresses shift fork 10, shift fork 10 is located.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (3)
1. the two stage speed change main gearbox assembly that shift fork is spacing, comprises input shaft, and described input shaft is provided with cone gear through the medial extremity of casing, described cone gear engages with main driven gear, main driven gear is fixedly installed on driven shaft, driven shaft is also fixed with tooth hub, tooth cover, tooth cover is driven can be moved left and right by shift fork, it is characterized in that, the end of described shift fork is stirred tooth cover and is moved, the other end of shift fork is fixed on declutch shift shaft by pivot pin, described declutch shift shaft passes casing, end and gear shift arm hinged, gear shift arm neutral position is hinged on gear shift arm support, described shift fork is arranged in shift fork hole, shift fork hole is slotted eye, the side in shift fork hole is provided with positioning hole, locating stud is provided with in positioning hole, locating stud root is provided with spring.
2. the two stage speed change main gearbox assembly that shift fork according to claim 1 is spacing, is characterized in that, tooth cover both sides are respectively equipped with high speed driving gear and low-speed active gear, and tooth cover can engage with the end face of high speed driving gear and low-speed active gear respectively; High speed driving gear and low-speed active gear empty set are on driven shaft; Described high speed driving gear engages with high speed driven gear, and low-speed active gear engages with low speed driven gear, and high speed driven gear is connected with differential mechanism respectively with low speed driven gear, and differential mechanism both sides arrange two independent semiaxis respectively.
3. the two stage speed change main gearbox assembly that shift fork according to claim 1 is spacing, is characterized in that, coordinated by deep groove ball bearing and oil sealing between input shaft with casing, box inside is also provided with tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718423.7A CN104405829A (en) | 2014-12-01 | 2014-12-01 | Fork-limited two-stage speed change main reducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718423.7A CN104405829A (en) | 2014-12-01 | 2014-12-01 | Fork-limited two-stage speed change main reducer assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405829A true CN104405829A (en) | 2015-03-11 |
Family
ID=52643480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718423.7A Pending CN104405829A (en) | 2014-12-01 | 2014-12-01 | Fork-limited two-stage speed change main reducer assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405829A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257782A (en) * | 2015-10-26 | 2016-01-20 | 扬中市三环电热科技有限公司 | Driven mechanism for semi-automatic powder feeding machine |
| CN105299195A (en) * | 2015-12-09 | 2016-02-03 | 重庆先友科技开发有限公司 | Multifunctional transmission assembly with single shifting fork |
| CN105387151A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Multi-function gearbox assembly |
| CN108662092A (en) * | 2018-06-29 | 2018-10-16 | 汽解放汽车有限公司 | A kind of electricity drive two grades of speed reducer assemblies of bridge |
-
2014
- 2014-12-01 CN CN201410718423.7A patent/CN104405829A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257782A (en) * | 2015-10-26 | 2016-01-20 | 扬中市三环电热科技有限公司 | Driven mechanism for semi-automatic powder feeding machine |
| CN105299195A (en) * | 2015-12-09 | 2016-02-03 | 重庆先友科技开发有限公司 | Multifunctional transmission assembly with single shifting fork |
| CN105387151A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Multi-function gearbox assembly |
| CN108662092A (en) * | 2018-06-29 | 2018-10-16 | 汽解放汽车有限公司 | A kind of electricity drive two grades of speed reducer assemblies of bridge |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
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| WD01 | Invention patent application deemed withdrawn after publication |