CN204852297U - Little tractor of operating tractor gearshift of stroke and having it - Google Patents
Little tractor of operating tractor gearshift of stroke and having it Download PDFInfo
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- CN204852297U CN204852297U CN201420858858.7U CN201420858858U CN204852297U CN 204852297 U CN204852297 U CN 204852297U CN 201420858858 U CN201420858858 U CN 201420858858U CN 204852297 U CN204852297 U CN 204852297U
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- tractor
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Abstract
The utility model discloses a little tractor of operating tractor gearshift of stroke and having it, gearshift be including shift control rod and gear level and the handle of shifting, shift and link to each other through universal mechanism between control rod and the gear level, the handle of shifting is established in the control rod upper end of shifting, still includes bearing and fork axle, the bearing is fixed on the driver's cabin, rotatable and flexible the establishing on the bearing of fork axle one end, the fork axle other end links to each other with the control rod of shifting through the pivot. It is little that the operation stroke is shifted gears to the tractor, can be effectual improve space layout in the driver's cabin, and the tractor gearshift can be arranged in narrow and small space, is convenient for arrange the interior trim, and it is more equitable to make the gearshift arrange, it is little that the opereating specification is shifted to driver's hand, accords with human engineering, it shifts to make control more convenient, comfortable, reasonable.
Description
Technical field
The utility model relates to tractor gearshift technical field, especially relates to a kind of tractor shifting mechanism of little operational stroke and has its tractor.
Background technique
Along with the progress of society, people to the working environment of tractor and operation requirements more and more higher, in tractor driving travelling comfort, ergonomics, outward appearance etc., more requirement is proposed.
Existing most tractor gearshift is all with the operating mechanism in a long gear shift operating rod direct manipulation gear box of tractor, gear shift operating rod end amplitude of fluctuation can be made so excessive, namely tractor gear shift operation stroke is large, interior trim is caused to be not easy to arrange, driver's hand gear shift operation scope is excessive simultaneously, do not meet ergonomics, handle inconvenient, the travelling comfort that impact is driven.
Model utility content
Not enough for prior art, technical problem to be solved in the utility model is to provide a kind of tractor shifting mechanism of little operational stroke and has its tractor, drives interior space layout and shift control object easily to reach to improve.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of tractor shifting mechanism of little operational stroke, comprise gear shift operating rod and gear level and shift handle, described gear shift operating rod is connected by omnidirectional mechanism with between gear level, described shift handle is located at gear shift operating rod upper end, also comprise supporting base and fork shaft, described supporting base is fixed on operator cabin, and what described fork shaft one end was rotatable and flexible is located on supporting base, and the described fork shaft the other end is connected with gear shift operating rod by rotating shaft.
A kind of tractor, comprises the tractor shifting mechanism of described little operational stroke.
The utility model compared with prior art, has the following advantages:
Tractor gear shift operation stroke is little, and effectively can improve and drive interior space layout, tractor shifting mechanism can be arranged in small space, is convenient to arrange interior trim, gearshift is arranged more reasonable; Driver's hand gear shift operation scope is little, meets ergonomics, makes shift control more convenient, comfortable, reasonable; Gearshift convenient disassembly, can not hinder the dismounting of operator cabin and interior trim.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described:
Fig. 1 is the utility model tractor shifting mechanism structural representation.
Fig. 2 is along A-A sectional view in Fig. 1.
Fig. 3 is supporting base position enlarged diagram in Fig. 1.
Fig. 4 is the plan view of Fig. 3.
In figure: 1. shift handle, 2. gear shift operating rod, 3. return spring, 4. supporting base, 41. sleeve pipes, 42. dunnages, 5. fork shaft, 6. rotating shaft, 7. cotter pin I, 8. bolt, 9. cotter pin II, 10. sheath, 11. sleeves, 12. gear levels, 13. bulbs, 14. pins.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail.
As shown in Figures 1 to 4, the tractor shifting mechanism of this little operational stroke, comprises shift handle 1, gear shift operating rod 2, gear level 12, return spring 3, supporting base 4, fork shaft 5, sleeve 11, bulb 13; Wherein, shift handle 1 is fixed by screws in the upper end of gear shift operating rod 2, is convenient to driver's gear shift operation; The lower end of gear shift operating rod 2 is connected by omnidirectional mechanism with between gear level 12 one end, and gear level 12 the other end is inserted in the gearshift draw-in groove on chassis, drives gear level 12 to move, carry out gear shift operation by gear shift operating rod 2.
Gear shift operating rod 2 is divided into epimere and hypomere two sections, epimere and hypomere axial position stagger setting, the epimere axis of gear shift operating rod 2 parallels with the hypomere axis of gear shift operating rod 2, the epimere top of gear shift operating rod 2 is fixed with shift handle, the lower pars infrasegmentalis of gear shift operating rod 2 is connected with gear level one end by omnidirectional mechanism, upper pars infrasegmentalis and the lower section upper portion of gear shift operating rod 2 of gear shift operating rod 2 are overlapping together with part is welded and fixed, gear shift operating rod 2 epimere and gear shift operating rod 2 hypomere are biased and arrange, and can reduce gear shift operation stroke.
Supporting base 4 comprises sleeve pipe 41 and dunnage 42, and sleeve pipe 41 is weldingly fixed in dunnage 42, and dunnage 42 is dull and stereotyped, and the axis of sleeve pipe 41 parallels with the plate face of dunnage 42, and the two ends of sleeve pipe 41 are opening; The middle part of dunnage 42 is provided with the square hole passed for gear shift operating rod, also can be circular port, the hypomere that square opening in the middle part of dunnage 42 is used for gear shift operating rod 2 passes, during gearshift, gear shift operating rod moves in square opening, gear shift operating rod 2 and dunnage 42 can not be interfered, and avoid producing abnormal sound, wearing and tearing during gear shift operation; Dunnage 42 4 turnings are fixed on operator cabin respectively by four bolts 8, fixing reliable, and are convenient to dismounting.
Fork shaft 5 one end is cylindrical body, and fork shaft 5 the other end is prong like, and namely fork shaft 5 the other end is provided with slot.Fork shaft 5 one end cylindrical body is inserted through the through hole of sleeve pipe, spacing by cotter pin II 9 in fork shaft 5 end of outside of sleeve, spacing fixing by cotter pin II 9, cost is low, and be convenient to repair demolition, fork shaft 5 is rotatable and flexible in the sleeve pipe of supporting base 4, reaches the object of changing different gear.
The prong like of fork shaft 5 the other end is specially U-shaped slot, and the hypomere of gear shift operating rod 2 is positioned at U-shaped slot, and the epimere of gear shift operating rod 2 and part hypomere are positioned at the top of supporting base 4; Two slot walls of gear shift operating rod 2 and fork shaft 5 are equipped with axis hole, gear shift operating rod 2 and fork shaft 5 are connected together through axis hole by rotating shaft 6, can relatively rotate between gear shift operating rod 2 and fork shaft 5, rotating shaft 6 one end is spacing by end cap, rotating shaft 6 the other end is spacing fixing by cotter pin I 7, pad is provided with between the slot wall of fork shaft 5 and cotter pin I 7, the reliability that cotter pin I 7 is located is ensured by pad, spacing fixing by cotter pin I 7, cost is low, and is convenient to dismantle between fork shaft 5 and gear shift operating rod 2.
The slot inwall of fork shaft 5 is plane, and gear shift operating rod 2 is provided with the plane suitable with slot inwall plane, is matched between slot inwall with gear shift operating rod 2 by plane, and both area of contact are large, relatively rotate stable both during gearshift.
The lower end of gear shift operating rod 2 epimere is welded with end plate, and end plate stretches out from the lower end of gear shift operating rod epimere, and end plate is dull and stereotyped, and the header portion of stretching out and gear shift operating rod 2 hypomere lay respectively at the relative both sides of gear shift operating rod 2 epimere; The dunnage of supporting base 4 is welded with riser, end plate and riser are equipped with spring eye, the two ends of return spring 3 are hung on the spring eye of end plate and riser, make the gear shift operating rod after gear shift operation 2 self-return by return spring 3.
Omnidirectional mechanism comprises sleeve 11 and bulb 13, and sleeve 11 upper end is enclosed within the lower end of gear shift operating rod 2 hypomere, both is fixed together by clamping bolt, and the internal diameter of sleeve 11 lower end is greater than the external diameter of bulb 13 slightly; Bulb 13 is movably arranged on gear level 12 one end by pin 14, and the relative gear level of bulb is rotatable, and gear level 12 the other end is inserted in the gearshift draw-in groove on chassis, and the bulb 13 of gear level 12 one end is positioned at sleeve 11 lower end.Be connected by this structure between gear shift operating rod 2 with gear level 12, be convenient to dismounting, only need during dismounting to carry gear shift operating rod 2.
Or omnidirectional mechanism selects Hooke's joint, and Hooke's joint is connected with gear level 12 1 end with gear shift operating rod 2 one end respectively by cotter pin, can reach universal connection equally, and easy-to-mount object.
Gear shift operating rod 2 between the dunnage of supporting base 4 and sleeve 11 overlaps and has sheath 10, radiation fins selected by sheath 10; Between end plate and shift handle 1, cover has radiation fins, and because tractor gear shift operation stroke is little, the radiation fins be positioned near shift handle is convenient to arrange and is installed, and the sphere of activities is little, difficult drop-off, long service life.
During gearshift, driver can swing with hand propulsion shift handle 1, gear shift operating rod 2, is driven the gear level 12 of below, reach gearshift object by omnidirectional mechanism.When gear shift operating rod 2 is shifted gears and swung, form fulcrum by rotating shaft 6, the gear shift operating rod amplitude of fluctuation of this structure can be made little by lever construction, gear shift operation stroke is little.
Can all around swing composition deflection mechanism after gear shift operating rod 2 connects with fork shaft, gear shift operating rod amplitude of fluctuation can be made less by this deflection mechanism, gear shift operation stroke is less.
Gear shift operation stroke is little, and effectively can improve and drive interior space layout, tractor shifting mechanism can be arranged in small space, as gear level 12 is arranged in interior trim inside, from the gear shift operating rod 2 that interior trim stretches out, a complete set has radiation fins, appearance looks elegant, gearshift is arranged more reasonable.
Gear shift operation stroke is little, and during gearshift, driver's hand gear shift operation scope is little, meets ergonomics, makes shift control more convenient, comfortable, reasonable.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that design of the present utility model and technological scheme are carried out; or design of the present utility model and technological scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (10)
1. the tractor shifting mechanism of a little operational stroke, comprise gear shift operating rod and gear level and shift handle, described gear shift operating rod is connected by omnidirectional mechanism with between gear level, described shift handle is located at gear shift operating rod upper end, it is characterized in that: also comprise supporting base and fork shaft, described supporting base is fixed on operator cabin, and what described fork shaft one end was rotatable and flexible is located on supporting base, and the described fork shaft the other end is connected with gear shift operating rod by rotating shaft.
2. the tractor shifting mechanism of little operational stroke as claimed in claim 1, is characterized in that: described supporting base is provided with through hole, and fork shaft one end is spacing by cotter pin through through hole outer end.
3. the tractor shifting mechanism of little operational stroke as claimed in claim 1, is characterized in that: described gear shift operating rod is divided into epimere and hypomere, and epimere and hypomere axial position stagger setting.
4. the tractor shifting mechanism of little operational stroke as claimed in claim 1, it is characterized in that: described omnidirectional mechanism comprises sleeve and bulb, described sleeve upper end is fixed on gear shift operating rod lower end, and bulb is located at gear level one end, and described bulb is positioned at sleeve lower end.
5. the tractor shifting mechanism of little operational stroke as claimed in claim 1, is characterized in that: the described fork shaft the other end is provided with slot, and gear shift operating rod is positioned at slot.
6. the tractor shifting mechanism of little operational stroke as claimed in claim 1, it is characterized in that: described supporting base comprises sleeve pipe and dunnage, fork shaft one end is located in sleeve pipe, and dunnage is bolted on operator cabin.
7. the tractor shifting mechanism of little operational stroke as claimed in claim 1, it is characterized in that: described fork shaft one end is cylindrical body, the fork shaft the other end is prong like.
8. the tractor shifting mechanism of little operational stroke as claimed in claim 5, is characterized in that: described gear shift operating rod is provided with the face of matching with slot inwall.
9. the tractor shifting mechanism of little operational stroke as claimed in claim 6, is characterized in that: described dunnage is provided with the hole passed for gear shift operating rod.
10. a tractor, is characterized in that: the tractor shifting mechanism comprising little operational stroke as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858858.7U CN204852297U (en) | 2014-12-30 | 2014-12-30 | Little tractor of operating tractor gearshift of stroke and having it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858858.7U CN204852297U (en) | 2014-12-30 | 2014-12-30 | Little tractor of operating tractor gearshift of stroke and having it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852297U true CN204852297U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420858858.7U Active CN204852297U (en) | 2014-12-30 | 2014-12-30 | Little tractor of operating tractor gearshift of stroke and having it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859734A (en) * | 2017-12-09 | 2018-03-30 | 无锡松田豹机械科技有限公司 | Gear shift operation mechanism |
-
2014
- 2014-12-30 CN CN201420858858.7U patent/CN204852297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859734A (en) * | 2017-12-09 | 2018-03-30 | 无锡松田豹机械科技有限公司 | Gear shift operation mechanism |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |