CN105508540A - Gearshift system for mini-tiller - Google Patents
Gearshift system for mini-tiller Download PDFInfo
- Publication number
- CN105508540A CN105508540A CN201510923068.1A CN201510923068A CN105508540A CN 105508540 A CN105508540 A CN 105508540A CN 201510923068 A CN201510923068 A CN 201510923068A CN 105508540 A CN105508540 A CN 105508540A
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- China
- Prior art keywords
- gear
- pinion
- shaft
- main shaft
- output
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
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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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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)
- General Details Of Gearings (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a gearshift system for a mini-tiller. The gearshift system for the mini-tiller comprises a box, wherein a spindle, a countershaft, an outputting shaft, a reverse gear shaft and a shift fork shaft which are parallel to one another are arranged in the box; a spindle duplicate gear sleeves the spindle; a first pinion, a second pinion, a third pinion, a fourth pinion and a fifth pinion sequentially sleeve the countershaft; a first outputting gear, a second outputting gear and a third outputting gear sequentially sleeve the outputting shaft; a first reverse gear and a second reverse gear sleeve the reverse gear shaft movably; a shift fork sleeves the shift fork shaft; a shift fork groove is annularly formed in the spindle duplicate gear; the shift fork extends into the shift fork groove; and the shift fork pushes the spindle duplicate gear to slide along the axial direction of the spindle, so that the various gears are engaged with one another to realize gearshift. By the gearshift mechanism of the mini-tiller, gears of the existing mini-tiller are increased, a selection range is wide when the gearshift mechanism is used, and the practicality of the mini-tiller is high, so that requirements of actual production are met.
Description
Technical field
The present invention relates to a kind of microtilling machine variable block speed control system.
Background technique
Microtilling machine with small diesel engine or petrol engine for power, the features such as have lightweight, volume is little, and structure is simple.Microtilling machine is widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills.Mix corresponding facility can carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, microtilling machine freely can be exercised in field, user-friendly and deposit, eliminating the worry that large-scale farm machinery cannot enter mountain area field, is that vast farmers Consumer substitutes the cultivated optimal selection of ox.The gearbox gear of tradition microtilling machine is less, and range of choice is extensive not; There is significant limitation in actual farming, can not meet and produce actual needs.Overcome the above problems and become the task of top priority.
Summary of the invention
For solving above technical problem, the invention provides a kind of microtilling machine variable block speed control system.
Technological scheme is as follows:
A kind of microtilling machine variable block speed control system, its key is: comprise casing (x), the main shaft (1) be parallel to each other is provided with in this casing (x), countershaft (2), output shaft (3), reverse gear shaft (4) and declutch shift shaft (5), wherein countershaft (2), the end of output shaft (3) and reverse gear shaft (4) is arranged on respectively by bearing on the inwall of described casing (x), one end of described main shaft (1) is arranged on by bearing on the inwall of described casing (x), the other end of described main shaft (1) passes described casing (x), external splines is provided with at the traversing through end of described main shaft (1), the two ends of described declutch shift shaft (5) pass described casing (x) respectively,
Described main shaft (1) is arranged with the first master gear (a1) and the second master gear (a2), be fixedly connected with between described first master gear (a1) and the second master gear (a2), form main shaft duplicate gear (a), this main shaft duplicate gear (a) can slide axially along main shaft (1);
Described countershaft (2) is arranged with the first pinion (b1), the second pinion (b2), the 3rd pinion (b3), the 4th pinion (b4) and the 5th pinion (b5) successively, be fixedly connected with between described first pinion (b1) and the second pinion (b2), form countershaft duplicate gear (b), this countershaft duplicate gear (b) kink is on described countershaft (2), and described 3rd pinion (b3), the 4th pinion (b4) and the 5th pinion (b5) are solidly set on described countershaft (2) respectively;
Described output shaft (3) is arranged with the first output gear (c1), the second output gear (c2) and the 3rd output gear (c3) successively, output shaft duplicate gear (c) is fixedly connected to form between described first output gear (c1) and the second output gear (c2), this output shaft duplicate gear (c) kink is on described output shaft (3), and described 3rd output gear (c3) is solidly set on described output shaft (3);
The first reverse gear (d1) and the second reverse gear (d2) is had at the upper kink of described reverse gear shaft (4), be fixedly connected with between described first reverse gear (d1) and the second reverse gear (d2), form the duplicate gear (d) that reverses gear;
Described declutch shift shaft (5) is arranged with selector fork (51), fork slot is provided with at the upper hoop of described main shaft duplicate gear (a), described selector fork (51) stretches into described fork slot, described selector fork (51) slides axially along declutch shift shaft (5), promotes main shaft duplicate gear (a) and slides axially along main shaft (1);
Described first pinion (b1) is engaged with the first output gear (c1), 3rd pinion (b3) engages with the second output gear (c2), 5th pinion (b5) engages with the 3rd output gear (c3), and described first reverse gear (d1) is engaged with the 4th pinion (b4);
When described main shaft duplicate gear (a) slides axially along main shaft (1), first master gear (a1) is engaged with the second pinion (b2), or the first master gear (a1) is engaged with the 3rd pinion (b3), or make the second master gear (a2) with the 4th pinion (b4) and engage, or the second master gear (a2) is engaged with the second reverse gear (d2).
Adopt above scheme, when main shaft duplicate gear (a) slides axially along main shaft (1), first master gear (a1) is engaged with the second pinion (b2), successively through the first pinion (b1), the first output gear (c1), the 3rd pinion (b3), countershaft (2), the 5th pinion (b5) and the 3rd output gear (c3), power is reached output shaft (3); When making the first master gear (a1) engage with the 3rd pinion (b3), successively through countershaft (2), the 5th pinion (b5) and the 3rd output gear (c3), power is reached output shaft (3); When making the second master gear (a2) and the 4th pinion (b4) and engaging, successively through countershaft (2), the 5th pinion (b5) and the 3rd output gear (c3), power is reached output shaft (3); When making the second master gear (a2) engage with the second reverse gear (d2), successively through the first reverse gear (d1), the 4th pinion (b4), countershaft (2), the 5th pinion (b5) and the 3rd output gear (c3), power is reached output shaft (3), output shaft (3) counterrotating.Above structure adds the gear of existing microtilling machine, make it meet and produce actual needs, what the common field technique personnel of ability should know is, the standard pitch circle of the first master gear (a1) and the second master gear (a2) should be different, and the 3rd pinion (b3) and the 4th pinion (b4) then should correspondingly be arranged.
By spline joint between above-mentioned main shaft duplicate gear (a) and main shaft (1), described main shaft duplicate gear (a) along the spline slide of described main shaft (1), and is rotated with main shaft (1).In the program, main shaft duplicate gear (a) by spline along main shaft (1) smooth sliding.
Above-mentioned countershaft duplicate gear (b) is arranged on described countershaft (2) by needle bearing.In this design, countershaft duplicate gear (b) on countershaft (2), can improve stability and working life by needle bearing kink.
Above-mentioned output shaft duplicate gear (c) is arranged on described output shaft (3) by needle bearing.Output shaft duplicate gear (c) in this case on output shaft (3), can improve stability and working life by needle bearing kink.
The axial length of above-mentioned countershaft duplicate gear (b) is less than the axial distance between described 3rd pinion (b3) and the 4th pinion (b4).Adopt this design, when any one in the 3rd pinion (b3) and the 4th pinion (b4) engages with countershaft duplicate gear (b), another can not interfere.
The above-mentioned duplicate gear (d) that reverses gear is arranged on described reverse gear shaft (4) by needle bearing.Stability and working life can be improved.
Beneficial effect: adopt microtilling machine variable block speed control system of the present invention, add the gear of existing microtilling machine, range of choice during use is more extensive, makes the practicability of microtilling machine stronger, thus meets the needs of actual production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is planimetric map of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, a kind of microtilling machine variable block speed control system, comprise casing x, the main shaft 1 be parallel to each other is provided with in this casing x, countershaft 2, output shaft 3, reverse gear shaft 4, declutch shift shaft 5 and driven shaft 6, wherein countershaft 2, output shaft 3, the end of reverse gear shaft 4 and driven shaft 6 is arranged on respectively by bearing on the inwall of described casing x, one end of described main shaft 1 is arranged on by bearing on the inwall of described casing x, the other end of described main shaft 1 passes described casing x, external splines is provided with at the traversing through end of described main shaft 1, the two ends of described declutch shift shaft 5 pass described casing x respectively, the two ends of described driven shaft 6 pass described casing x respectively,
Described main shaft 1 is arranged with the first master gear a1 and the second master gear a2, is fixedly connected with between described first master gear a1 and the second master gear a2, form main shaft duplicate gear a, this main shaft duplicate gear a can slide axially along main shaft 1;
Described countershaft 2 is arranged with the first pinion b1, the second pinion b2, the 3rd pinion b3, the 4th pinion b4 and the 5th pinion b5 successively, be fixedly connected with between described first pinion b1 and the second pinion b2, form countershaft duplicate gear b, this countershaft duplicate gear b kink is on described countershaft 2, and described 3rd pinion b3, the 4th pinion b4 and the 5th pinion b5 are solidly set on described countershaft 2 respectively;
Described output shaft 3 is arranged with the first output gear c1, the second output gear c2 and the 3rd output gear c3 successively, output shaft duplicate gear c is fixedly connected to form between described first output gear c1 and the second output gear c2, this output shaft duplicate gear c kink is on described output shaft 3, described 3rd output gear c3 is solidly set on described output shaft 3, and the output shaft 3 between described output shaft duplicate gear c and the 3rd output gear c3 is installed with drive sprocket 61;
On described reverse gear shaft 4, kink has the first reverse gear d1 and the second reverse gear d2, is fixedly connected with between described first reverse gear d1 and the second reverse gear d2, forms the duplicate gear d that reverses gear;
Described declutch shift shaft 5 is arranged with selector fork 51, on described main shaft duplicate gear a, hoop is provided with fork slot, described selector fork 51 stretches into described fork slot, and described selector fork 51 slides axially along declutch shift shaft 5, promotes main shaft duplicate gear a and slides axially along main shaft 1;
Described driven shaft 6 is installed with driven sprocket 62, described drive sprocket 61 and driven sprocket 62 are arranged with same drive chain 63, the driven shaft 6 of described driven sprocket 62 both sides is respectively equipped with Cutting tool installation manner hole;
Described first pinion b1 engages with the first output gear c1, and the 3rd pinion b3 engages with the second output gear c2, and the 5th pinion b5 engages with the 3rd output gear c3, and described first reverse gear d1 engages with the 4th pinion b4;
When described main shaft duplicate gear a slides axially along main shaft 1, first master gear a1 is engaged with the second pinion b2, or the first master gear a1 is engaged with the 3rd pinion b3, or make the second master gear a2 with the 4th pinion b4 and engage, or the second master gear a2 is engaged with the second reverse gear d2.
By spline joint between described main shaft duplicate gear a and main shaft 1, described main shaft duplicate gear a along the spline slide of described main shaft 1, and rotates with main shaft 1.
Described countershaft duplicate gear b is arranged on described countershaft 2 by needle bearing, and described output shaft duplicate gear c is arranged on described output shaft 3 by needle bearing, described in the duplicate gear d that reverses gear be arranged on described reverse gear shaft 4 by needle bearing.
The axial length of described countershaft duplicate gear b is less than the axial distance between described 3rd pinion b3 and the 4th pinion b4.
When main shaft duplicate gear a slides axially along main shaft 1, first master gear a1 is engaged with the second pinion b2, successively through the first pinion b1, the first output gear c1, the 3rd pinion b3, countershaft 2, the 5th pinion b5 and the 3rd output gear c3, power is reached output shaft 3; When making the first master gear a1 engage with the 3rd pinion b3, successively through countershaft 2, the 5th pinion b5 and the 3rd output gear c3, power is reached output shaft 3; When making the second master gear a2 and the 4th pinion b4 with when engaging, successively through countershaft 2, the 5th pinion b5 and the 3rd output gear c3, power is reached output shaft 3; When making the second master gear a2 engage with the second reverse gear d2, successively through the first reverse gear d1, the 4th pinion b4, countershaft 2, the 5th pinion b5 and the 3rd output gear c3, power is reached output shaft 3, output shaft 3 turns to rotation.
Finally it should be noted that; foregoing description is only the preferred embodiments of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within protection scope of the present invention.
Claims (6)
1. a microtilling machine variable block speed control system, it is characterized in that: comprise casing (x), the main shaft (1) be parallel to each other is provided with in this casing (x), countershaft (2), output shaft (3), reverse gear shaft (4) and declutch shift shaft (5), wherein countershaft (2), the end of output shaft (3) and reverse gear shaft (4) is arranged on respectively by bearing on the inwall of described casing (x), one end of described main shaft (1) is arranged on by bearing on the inwall of described casing (x), the other end of described main shaft (1) passes described casing (x), external splines is provided with at the traversing through end of described main shaft (1), the two ends of described declutch shift shaft (5) pass described casing (x) respectively,
Described main shaft (1) is arranged with the first master gear (a1) and the second master gear (a2), be fixedly connected with between described first master gear (a1) and the second master gear (a2), form main shaft duplicate gear (a), this main shaft duplicate gear (a) can slide axially along main shaft (1);
Described countershaft (2) is arranged with the first pinion (b1), the second pinion (b2), the 3rd pinion (b3), the 4th pinion (b4) and the 5th pinion (b5) successively, be fixedly connected with between described first pinion (b1) and the second pinion (b2), form countershaft duplicate gear (b), this countershaft duplicate gear (b) kink is on described countershaft (2), and described 3rd pinion (b3), the 4th pinion (b4) and the 5th pinion (b5) are solidly set on described countershaft (2) respectively;
Described output shaft (3) is arranged with the first output gear (c1), the second output gear (c2) and the 3rd output gear (c3) successively, output shaft duplicate gear (c) is fixedly connected to form between described first output gear (c1) and the second output gear (c2), this output shaft duplicate gear (c) kink is on described output shaft (3), and described 3rd output gear (c3) is solidly set on described output shaft (3);
The first reverse gear (d1) and the second reverse gear (d2) is had at the upper kink of described reverse gear shaft (4), be fixedly connected with between described first reverse gear (d1) and the second reverse gear (d2), form the duplicate gear (d) that reverses gear;
Described declutch shift shaft (5) is arranged with selector fork (51), fork slot is provided with at the upper hoop of described main shaft duplicate gear (a), described selector fork (51) stretches into described fork slot, described selector fork (51) slides axially along declutch shift shaft (5), promotes main shaft duplicate gear (a) and slides axially along main shaft (1);
Described first pinion (b1) is engaged with the first output gear (c1), 3rd pinion (b3) engages with the second output gear (c2), 5th pinion (b5) engages with the 3rd output gear (c3), and described first reverse gear (d1) is engaged with the 4th pinion (b4);
When described main shaft duplicate gear (a) slides axially along main shaft (1), first master gear (a1) is engaged with the second pinion (b2), or the first master gear (a1) is engaged with the 3rd pinion (b3), or make the second master gear (a2) with the 4th pinion (b4) and engage, or the second master gear (a2) is engaged with the second reverse gear (d2).
2. microtilling machine variable block speed control system according to claim 1, it is characterized in that: between described main shaft duplicate gear (a) and main shaft (1), pass through spline joint, described main shaft duplicate gear (a) along the spline slide of described main shaft (1), and is rotated with main shaft (1).
3. microtilling machine variable block speed control system according to claim 1 and 2, is characterized in that: described countershaft duplicate gear (b) is arranged on described countershaft (2) by needle bearing.
4. microtilling machine variable block speed control system according to claim 1, is characterized in that: described output shaft duplicate gear (c) is arranged on described output shaft (3) by needle bearing.
5. the microtilling machine variable block speed control system according to claim 1,2 or 4, is characterized in that: the axial length of described countershaft duplicate gear (b) is less than the axial distance between described 3rd pinion (b3) and the 4th pinion (b4).
6. the microtilling machine variable block speed control system according to claim 1,2 or 4, is characterized in that: described in the duplicate gear (d) that reverses gear be arranged on described reverse gear shaft (4) by needle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923068.1A CN105508540A (en) | 2015-12-14 | 2015-12-14 | Gearshift system for mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923068.1A CN105508540A (en) | 2015-12-14 | 2015-12-14 | Gearshift system for mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508540A true CN105508540A (en) | 2016-04-20 |
Family
ID=55716747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923068.1A Pending CN105508540A (en) | 2015-12-14 | 2015-12-14 | Gearshift system for mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508540A (en) |
-
2015
- 2015-12-14 CN CN201510923068.1A patent/CN105508540A/en active Pending
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |