CN104235276A - Farm vehicle gear shifting gearbox - Google Patents
Farm vehicle gear shifting gearbox Download PDFInfo
- Publication number
- CN104235276A CN104235276A CN201410477684.4A CN201410477684A CN104235276A CN 104235276 A CN104235276 A CN 104235276A CN 201410477684 A CN201410477684 A CN 201410477684A CN 104235276 A CN104235276 A CN 104235276A
- Authority
- CN
- China
- Prior art keywords
- gear
- synchronizer
- annular groove
- gear shifting
- level
- 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
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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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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- 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
- F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0004—Transmissions for multiple ratios comprising a power take off shaft
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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
- F16H2306/00—Shifting
Abstract
The invention provides a farm vehicle gear shifting gearbox. A gear shifting seat is fixedly arranged on a gearbox casing, a gear shifting rod is inserted in a preset hole of the gear shifting seat in a sheathing way, a first annular groove, a second annular groove and a third annular groove are formed in the gear shifting rod, a manual gear shifting push rod is hinged to the gear shifting rod, one end of a gear shifting connecting rod is hinged to the manual gear shifting push rod, the other end of the gear shifting connecting rod is hinged to the gear shifting seat, an accommodating sink hole is formed in the gear shifting seat, a steel ball and a spring are arranged in the accommodating sink hole, the lower end of the spring is pressed on the gear shifting seat, the upper end of the spring acts on the steel ball, the upper end of the steel ball is abutted against the first annular groove or the second annular or the third annular groove, a pulling rod is fixedly arranged on the gear shifting rod and extends into the gearbox casing through the preset hole formed in the gear shifting seat and a preset hole of the gearbox casing, the lower end of the pulling rod is aligned with a gear shifting groove formed in a gear shifting sleeve, a driving gear is fixedly arranged on a gearbox output shaft, the driving gear drives a farm vehicle driving axle, and an idle gear is arranged on the gearbox casing. The farm vehicle gear shifting gearbox has the advantages that a farm vehicle can realize the gearbox gear shifting in the running process like an automobile, so the work efficiency of the farm vehicle can be improved.
Description
Technical field:
The present invention relates to agricultural vehicle technical field, refer in particular to the gearbox that agricultural drag-pull cart is used.
Background technique:
At present, mechanical type manual manual transmission continued to use by the gearbox that farm tractor adopts always, its deficiency is: this mechanical type manual manual transmission must stop shifting gears under the state travelled, and agricultural ploughing machine in the course of the work, if gearshift must be stopped, certainly will working efficiency be affected, very inconvenient like this.
The gearbox of existing automobile and fork truck is because have employed synchronizer, so in the process of moving, automobile gearbox still can carry out gearshift, and the present invention wishes the design method of using automobile gearbox, design a agricultural vehicle manual transmission, allow agricultural vehicle also can be implemented in running process and shift gears.
Summary of the invention:
Object of the present invention is exactly the deficiency for prior art, and provides a kind of agricultural vehicle manual transmission, and it can allow agricultural vehicle realize gearbox shifting in the process of moving as automobile, thus improves the working efficiency of agricultural vehicle.
Technology solution of the present invention is as follows:
Agricultural vehicle manual transmission, comprise gear box casing, power input shaft and output shaft of gear-box are installed in gear box casing, gear box casing is fixed with gearshift seat, gear level sleeve is in the preset hole of gearshift seat, gear level forms the first annular groove, second annular groove and the 3rd annular groove, manual shift push rod is hinged on gear level, gearshift connecting rod one end is hinged on manual shift push rod, the other end is hinged on gearshift seat, gearshift seat forms housing counterbore, steel ball and spring are placed in this housing counterbore, lower spring end is pressed on gearshift seat, upper end active force is on steel ball, the upper end of steel ball is pressed on the first annular groove or the second annular groove or the 3rd annular groove, dead man to be fixed on gear level and to stretch into gear box casing from the preset hole of the preset hole gearshift seat and gear box casing, the lower end of dead man faces toward the gearshift groove on shifting sleeve and is hinged on shifting sleeve,
Shifting sleeve and the second gear level are fixed together, in the gear level jack of the second gear level sleeve on gear box casing, gear box casing forms the second counterbore, shaping second gear level first annular groove on second gear level, second gear level second annular groove and the second gear level the 3rd annular groove, second steel ball and the second spring are placed in the second counterbore, the lower end of the second spring is pressed on gear box casing, upper end is pressed on the bottom of the second steel ball, the upper end of the second steel ball is facing to the second gear level first annular groove or the second gear level second annular groove or the second gear level the 3rd annular groove, second gear level is fixed with the first fork, second fork and the 3rd fork,
First synchronizer, second synchronizer and the 3rd synchronizer are all fixed on power input shaft, first fork, second fork and the 3rd fork respectively with the first synchronizer, second synchronizer and the 3rd synchronizer match, with the first synchronizer on power input shaft, second synchronizer and the 3rd synchronizer match and are provided with the first synchronizer front gear, first synchronizer backgear, second synchronizer front gear, second synchronizer backgear, 3rd synchronizer front gear and the 3rd synchronizer backgear, first gear gear is meshed with the first synchronizer front gear, second gear gear is meshed with the first synchronizer backgear, third gear gear is meshed with the second synchronizer front gear, fourth gear gear is meshed with the second synchronizer backgear, reverse gear is meshed with idle gear, idle gear is meshed with the second synchronizer front gear,
3rd synchronizer backgear has tooth after top gear nipper and bottom gear, and high speed gear is meshed with the back-geared top gear nipper of the 3rd synchronizer, and bootom gear is meshed with tooth after the back-geared bottom gear of the 3rd synchronizer;
First gear gear, second gear gear, third gear gear, fourth gear gear, reverse gear and top gear gear are all fixed on an axle, cylinder axle sleeve is on output shaft of gear-box, the outer ring of tapered roller bearing is fixed on gear box casing, and the inner ring of tapered roller bearing is fixed on an axle;
Cylinder axle and the equal sleeve of bootom gear to be installed together with the 4th synchronizer on output shaft of gear-box, 4th synchronizer is fixed on output shaft of gear-box, 4th synchronizer manual rod drives the 4th synchronizer fork, 4th synchronizer fork matches with the 4th synchronizer, 4th synchronizer manual rod is fixed with the 4th synchronizer fork, 4th synchronizer manual rod is hinged on gear box casing, 4th synchronizer manual rod forms manual rod first recess, manual second recess and manual rod the 3rd recess, 3rd steel ball and the 3rd spring are placed in the second counterbore of gear box casing, 3rd steel ball left end is pressed on manual rod first recess or manual second recess or manual rod the 3rd recess, the right-hand member of the 3rd steel ball is pressed on the 3rd spring, the right-hand member of the 3rd spring is pressed on gear box casing,
Output shaft of gear-box is fixed with actuation gear, and driving gear drives agricultural vehicle ransaxle, idle gear is arranged on gear box casing.
The mode that the described gearshift connecting rod the other end is hinged on gearshift seat is, the right-hand member of gearshift connecting rod is shaped to a bar, in the preset hole of cylinder bar sleeve on gearshift seat, gear level sleeve is in cylinder bar, cylinder bar forms a burr groove, and fixture block is fixed on gearshift seat, and fixture block sleeve is in cylinder burr groove.
Beneficial effect of the present invention is:
It can allow agricultural vehicle realize gearbox shifting in the process of moving as automobile, thus improves the working efficiency of agricultural vehicle.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of gearshift seat part;
Fig. 4 is the structural representation of power input shaft 2 and output shaft of gear-box 3 part;
Fig. 5 is the structural representation of the second gear level part;
Fig. 6 is the present invention and agricultural vehicle ransaxle structural representation when being installed together;
Fig. 7 is the annexation schematic diagram of the 4th synchronizer manual rod, the 4th synchronizer fork and gear box casing.
Embodiment:
Embodiment: see shown in Fig. 1 to 7, agricultural vehicle manual transmission, comprise gear box casing 1, power input shaft 2 and output shaft of gear-box 3 are installed in gear box casing 1, gear box casing 1 is fixed with gearshift seat 4, gear level 5 sleeve is in the preset hole of gearshift seat 4, gear level 5 forms the first annular groove 51, second annular groove 52 and the 3rd annular groove 53, manual shift push rod 6 is hinged on gear level 5, gearshift connecting rod 7 one end is hinged on manual shift push rod 6, the other end is hinged on gearshift seat 4, gearshift seat 4 forms housing counterbore 4a, steel ball 8 and spring 9 are placed in this housing counterbore 4a, spring 9 lower end is pressed on gearshift seat 4, upper end active force is on steel ball 8, the upper end of steel ball 8 is pressed on the first annular groove 51 or the second annular groove 52 or the 3rd annular groove 53, dead man 10 to be fixed on gear level 5 and to stretch into gear box casing 1 from the preset hole of the preset hole gearshift seat 4 and gear box casing 1, the lower end of dead man 10 faces toward the gearshift groove 11a on shifting sleeve 11 and is hinged on shifting sleeve 11,
Shifting sleeve 11 and the second gear level 12 are fixed together, in the gear level jack 1a of the second gear level 12 sleeve on gear box casing 1, gear box casing 1 forms the second counterbore 1b, shaping second gear level first annular groove 121 on second gear level 12, second gear level second annular groove 122 and the second gear level the 3rd annular groove 123, second steel ball 16 and the second spring 17 are placed in the second counterbore 1b, the lower end of the second spring 17 is pressed on gear box casing 1, upper end is pressed on the bottom of the second steel ball 16, the upper end of the second steel ball 16 is facing to the second gear level first annular groove 121 or the second gear level second annular groove 122 or the second gear level the 3rd annular groove 123, second gear level 12 is fixed with the first fork 13, second fork 14 and the 3rd fork 15,
First synchronizer 18, second synchronizer 19 and the 3rd synchronizer 20 are all fixed on power input shaft 2, first fork 13, second fork 14 and the 3rd fork 15 respectively with the first synchronizer 18, second synchronizer 19 and the 3rd synchronizer 20 match, with the first synchronizer 18 on power input shaft 2, second synchronizer 19 and the 3rd synchronizer 20 match and are provided with the first synchronizer front gear 21, first synchronizer backgear 22, second synchronizer front gear 23, second synchronizer backgear 24, 3rd synchronizer front gear 25 and the 3rd synchronizer backgear 26, first gear gear 27 is meshed with the first synchronizer front gear 21, second gear gear 28 is meshed with the first synchronizer backgear 22, third gear gear 29 is meshed with the second synchronizer front gear 23, fourth gear gear 30 is meshed with the second synchronizer backgear 24, reverse gear 31 is meshed with idle gear 34, idle gear 34 is meshed with the second synchronizer front gear 25,
3rd synchronizer backgear 26 has tooth 262 after top gear nipper 261 and bottom gear, high speed gear 32 is meshed with the top gear nipper 261 of the 3rd synchronizer backgear 26, and bootom gear 36 is meshed with tooth 262 after the bottom gear of the 3rd synchronizer backgear 26;
First gear gear 27, second gear gear 28, third gear gear 29, fourth gear gear 30, reverse gear 31 and top gear gear 32 are all fixed on an axle 41, cylinder axle 41 sleeve is on output shaft of gear-box 3, the outer ring of tapered roller bearing 42 is fixed on gear box casing 1, and the inner ring of tapered roller bearing 42 is fixed on an axle 41;
Cylinder axle 41 and bootom gear 36 all sleeve are installed together with the 4th synchronizer 35 on output shaft of gear-box 3, 4th synchronizer 35 is fixed on output shaft of gear-box 3, 4th synchronizer manual rod 39 drives the 4th synchronizer fork 43, 4th synchronizer fork 43 matches with the 4th synchronizer 35, 4th synchronizer manual rod 39 is fixed with the 4th synchronizer fork 43, 4th synchronizer manual rod 39 is hinged on gear box casing 1, 4th synchronizer manual rod 39 forms manual rod first recess 391, manual second recess 392 and manual rod the 3rd recess 393, 3rd steel ball 44 and the 3rd spring 45 are placed in the second counterbore 1b of gear box casing 1, 3rd steel ball 44 left end is pressed on manual rod first recess 391 or manual second recess 392 or manual rod the 3rd recess 393, the right-hand member of the 3rd steel ball 44 is pressed on the 3rd spring 45, the right-hand member of the 3rd spring 45 is pressed on gear box casing 1,
Output shaft of gear-box 3 is fixed with actuation gear 37, actuation gear 37 drives agricultural vehicle ransaxle 38, and idle gear 34 is arranged on gear box casing 1.
The mode that described gearshift connecting rod 7 the other end is hinged on gearshift seat 4 is, the right-hand member of gearshift connecting rod 7 is shaped to a bar 71, in the preset hole of cylinder bar 71 sleeve on gearshift seat 4, gear level 5 sleeve is in cylinder bar 71, cylinder bar 71 forms a burr groove 711, fixture block 40 is fixed on gearshift seat 4, and fixture block 40 sleeve is in cylinder burr groove 711.
The first synchronizer 18, second synchronizer 19 adopted in the present invention, the 3rd synchronizer 20 are identical with synchronizer structure used on automobile with the 4th synchronizer 35, matching used fork structure is identical with synchronizer with on automobile with the 3rd fork 15 for first fork 13, second fork 14 of the present invention, manual shift push rod 6 of the present invention stirs the 3rd fork 15, and idle gear 34 and reverse gear 31 are identical with the manual rod apparatus structure that reverses gear used on the device that the 3rd synchronizer front gear 25 is meshed and existing farm tractor.
Working principle: because farm tractor adopts mechanical type manual manual transmission in prior art, so tractor cannot realize gearshift in the process of moving, the present invention adopts the principle of automobile gearbox, by the actual conditions of automobile gearbox in conjunction with farm tractor, thus have devised a kind of farm truck gear box that can shift gears under steam.
The present invention can realize with lower gear situation:
1, neutral: push rod 6 of manually shifting gears promotes gear level 5 can allow steel ball 8 lay respectively at the first annular groove 51, in second annular groove 52 and the 3rd annular groove 53, when steel ball 8 is arranged in the second annular groove 52, first synchronizer 18 and the first synchronizer front gear 21 and the separated state of the first synchronizer backgear 22, second synchronizer 19 and the second synchronizer front gear 23 and the separated state of the second synchronizer backgear 24, 3rd synchronizer 20 and the separated state of the 3rd synchronizer front gear 25, now the second steel ball 16 is arranged in the second gear level second annular groove 122, 4th synchronizer 35 and top gear gear 32 and the separated state of bootom gear 36, power input shaft 2 drives cylinder axle 41 to dally, power does not pass on output shaft of gear-box 3, it is now neutral gear.
2, as shown in Figure 3, gear level 5 sleeve is in the preset hole of gearshift seat 4, inwardly or outwards rotate the manual shift push rod 6 shown in Fig. 2,3, then gear level 5 also rotates in gearshift seat 4, during Rotation With Changing pin 5, the dead man 10 be fixed on gear level 5 and then rotates together, and dead man 10 is stirred the second gear level 12 and rotated, the first fork 13, second fork 14 can be formed like this combine with the 3rd synchronizer 20 or be separated with the first synchronizer 18, second synchronizer 19 with the 3rd fork 15 respectively
Dead man 10 also can side-to-side movement, during dead man 10 side-to-side movement, stir the second gear level 12 side-to-side movement, the second steel ball 16 can be allowed to lay respectively at the second gear level first annular groove 121, in second gear level second annular groove 122 and the second gear level the 3rd annular groove 123, can allow the first fork 13 like this, second fork 14 and the 3rd fork 15 promote the first synchronizer 18 respectively to the left or to the right and combine with the first synchronizer front gear 21 with the first synchronizer backgear 22 or be separated, second synchronizer 19 and the second synchronizer front gear 23, second synchronizer backgear 24 combines or is separated and the 3rd synchronizer 20 combines with the 3rd synchronizer front gear 25 or is separated.
When the first synchronizer 18 and the first synchronizer front gear 21 in conjunction with time, 4th synchronizer 35 and top gear gear 32 in conjunction with time, power passes to the 4th synchronizer the 35, four synchronizer 35 drive output shaft of gear-box 3 to form a gear at a high speed through power input shaft 2, first synchronizer front gear 21, first gear gear 27, top gear gear 32.
When the first synchronizer 18 and the first synchronizer front gear 21 in conjunction with time, 4th synchronizer 35 and bootom gear 36 in conjunction with time, power passes to the 3rd synchronizer backgear 26 through power input shaft 2, first synchronizer front gear 21, first gear gear 27, top gear gear 32,3rd synchronizer backgear 26 drives bootom gear 36 to rotate, bootom gear 36 drives the 4th synchronizer the 35, four synchronizer 35 to drive output shaft of gear-box 3 to form low speed one gear.
In like manner can form that at a high speed two gears, low speed two keep off, three gears, low speed three gear at a high speed, four gears and low speed four keep off at a high speed.
3, reverse gear, manual shift push rod 6 stirs the 3rd fork 15, idle gear 34 and reverse gear 31 and the 3rd synchronizer front gear 25 in conjunction with time, the 4th synchronizer 35 and top gear gear 32 in conjunction with time, power input shaft 2 drives output shaft of gear-box 3 to reverse by idle gear 34, is formed and reverses gear at a high speed.
Manual shift push rod 6 stirs the 3rd fork 15, idle gear 34 and reverse gear 31 and the 3rd synchronizer front gear 25 in conjunction with time, 4th synchronizer 35 and bootom gear 36 in conjunction with time, power input shaft 2 drives output shaft of gear-box 3 to reverse by idle gear 34, forms low speed and reverses gear.
Claims (2)
1. agricultural vehicle manual transmission, comprise gear box casing (1), power input shaft (2) and output shaft of gear-box (3) are installed in gear box casing (1), it is characterized in that: on gear box casing (1), be fixed with gearshift seat (4), gear level (5) sleeve is in the preset hole of gearshift seat (4), gear level (5) forms the first annular groove (51), second annular groove (52) and the 3rd annular groove (53), manual shift push rod (6) is hinged on gear level (5), gearshift connecting rod (7) one end is hinged on manual shift push rod (6), the other end is hinged in gearshift seat (4), gearshift seat (4) forms housing counterbore (4a), steel ball (8) and spring (9) are placed in this housing counterbore (4a), spring (9) lower end is pressed in gearshift seat (4), upper end active force is on steel ball (8), the upper end of steel ball (8) is pressed on the first annular groove (51) or the second annular groove (52) or the 3rd annular groove (53), it is upper and stretch into gear box casing (1) from the preset hole of the preset hole gearshift seat (4) and gear box casing (1) that dead man (10) is fixed on gear level (5), the lower end of dead man (10) faces toward the gearshift groove (11a) on shifting sleeve (11) and is hinged on shifting sleeve (11),
Shifting sleeve (11) and the second gear level (12) are fixed together, in the gear level jack (1a) of second gear level (12) sleeve on gear box casing (1), gear box casing (1) forms the second counterbore (1b), upper shaping second gear level first annular groove (121) of second gear level (12), second gear level second annular groove (122) and the second gear level the 3rd annular groove (123), second steel ball (16) and the second spring (17) are placed in the second counterbore (1b), the lower end of the second spring (17) is pressed on gear box casing (1), upper end is pressed on the bottom of the second steel ball (16), the upper end of the second steel ball (16) is facing to the second gear level first annular groove (121) or the second gear level second annular groove (122) or the second gear level the 3rd annular groove (123), second gear level (12) is fixed with the first fork (13), second fork (14) and the 3rd fork (15),
First synchronizer (18), second synchronizer (19) and the 3rd synchronizer (20) are all fixed on power input shaft (2), first fork (13), second fork (14) and the 3rd fork (15) respectively with the first synchronizer (18), second synchronizer (19) and the 3rd synchronizer (20) match, with the first synchronizer (18) on power input shaft (2), second synchronizer (19) and the 3rd synchronizer (20) match and are provided with the first synchronizer front gear (21), first synchronizer backgear (22), second synchronizer front gear (23), second synchronizer backgear (24), 3rd synchronizer front gear (25) and the 3rd synchronizer backgear (26), first gear gear (27) is meshed with the first synchronizer front gear (21), second gear gear (28) is meshed with the first synchronizer backgear (22), third gear gear (29) is meshed with the second synchronizer front gear (23), fourth gear gear (30) is meshed with the second synchronizer backgear (24), reverse gear (31) is meshed with idle gear (34), idle gear (34) is meshed with the second synchronizer front gear (25),
3rd synchronizer backgear (26) has tooth (262) after top gear nipper (261) and bottom gear, high speed gear (32) is meshed with the top gear nipper (261) of the 3rd synchronizer backgear (26), and bootom gear (36) is meshed with tooth (262) after the bottom gear of the 3rd synchronizer backgear (26);
First gear gear (27), second gear gear (28), third gear gear (29), fourth gear gear (30), reverse gear (31) and top gear gear (32) are all fixed on an axle (41), cylinder axle (41) sleeve is on output shaft of gear-box (3), the outer ring of tapered roller bearing (42) is fixed on gear box casing (1), and the inner ring of tapered roller bearing (42) is fixed on an axle (41);
Cylinder axle (41) and bootom gear (36) all sleeve are gone up at output shaft of gear-box (3) and are installed together with the 4th synchronizer (35), 4th synchronizer (35) is fixed on output shaft of gear-box (3), 4th synchronizer manual rod (39) drives the 4th synchronizer fork (43), 4th synchronizer fork (43) matches with the 4th synchronizer (35), 4th synchronizer manual rod (39) is fixed with the 4th synchronizer fork (43), 4th synchronizer manual rod (39) is hinged on gear box casing (1), 4th synchronizer manual rod (39) forms manual rod first recess (391), manual second recess (392) and manual rod the 3rd recess (393), 3rd steel ball (44) and the 3rd spring (45) are placed in second counterbore (1b) of gear box casing (1), 3rd steel ball (44) left end is pressed on manual rod first recess (391) or manual second recess (392) or manual rod the 3rd recess (393), the right-hand member of the 3rd steel ball (44) is pressed on the 3rd spring (45), the right-hand member of the 3rd spring (45) is pressed on gear box casing (1),
Output shaft of gear-box (3) is fixed with actuation gear (37), actuation gear (37) drives agricultural vehicle ransaxle (38), and idle gear (34) is arranged on gear box casing (1).
2. agricultural vehicle manual transmission according to claim 1, it is characterized in that: the mode that gearshift connecting rod (7) the other end is hinged in gearshift seat (4) is, the right-hand member of gearshift connecting rod (7) is shaped to a bar (71), in the preset hole of cylinder bar (71) sleeve in gearshift seat (4), gear level (5) sleeve is in cylinder bar (71), cylinder bar (71) forms a burr groove (711), fixture block (40) is fixed in gearshift seat (4), and fixture block (40) sleeve is in cylinder burr groove (711).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477684.4A CN104235276A (en) | 2014-09-18 | 2014-09-18 | Farm vehicle gear shifting gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477684.4A CN104235276A (en) | 2014-09-18 | 2014-09-18 | Farm vehicle gear shifting gearbox |
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| Publication Number | Publication Date |
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| CN104235276A true CN104235276A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410477684.4A Pending CN104235276A (en) | 2014-09-18 | 2014-09-18 | Farm vehicle gear shifting gearbox |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105060187A (en) * | 2015-09-09 | 2015-11-18 | 浙江中柴机器有限公司 | Automotive mechanical gearbox |
| CN110094468A (en) * | 2019-04-26 | 2019-08-06 | 长沙桑铼特农业机械设备有限公司 | A kind of actuating unit and tractor |
| CN110107678A (en) * | 2019-04-26 | 2019-08-09 | 长沙桑铼特农业机械设备有限公司 | A kind of tractor speed changer and tractor |
| CN110103705A (en) * | 2019-04-26 | 2019-08-09 | 长沙桑铼特农业机械设备有限公司 | A kind of intelligence differential locking tractor speed changer and tractor |
| CN110131365A (en) * | 2019-04-26 | 2019-08-16 | 长沙桑铼特农业机械设备有限公司 | A kind of tractor intelligence 4 wheel driven speed changer and tractor |
| CN110735917A (en) * | 2019-11-18 | 2020-01-31 | 中国热带农业科学院农业机械研究所 | manual and remote control dual-purpose gearbox applicable to agricultural vehicle and control method thereof |
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| CN200961681Y (en) * | 2006-09-26 | 2007-10-17 | 张昊 | Speed variator gearing mechanism for car |
| CN101555942A (en) * | 2009-05-15 | 2009-10-14 | 杨国栋 | Gear shift mechanism of six-speed automobile speed changer |
| CN202756600U (en) * | 2012-08-10 | 2013-02-27 | 第一拖拉机股份有限公司 | Gear shifting control mechanism of gear box of tractor |
| CN204099516U (en) * | 2014-09-18 | 2015-01-14 | 浙江中柴机器有限公司 | Agricultural vehicle manual transmission |
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| CN105060187A (en) * | 2015-09-09 | 2015-11-18 | 浙江中柴机器有限公司 | Automotive mechanical gearbox |
| CN105060187B (en) * | 2015-09-09 | 2017-10-20 | 浙江中柴机器有限公司 | Automobile-used mechanical gearbox |
| CN110094468A (en) * | 2019-04-26 | 2019-08-06 | 长沙桑铼特农业机械设备有限公司 | A kind of actuating unit and tractor |
| CN110107678A (en) * | 2019-04-26 | 2019-08-09 | 长沙桑铼特农业机械设备有限公司 | A kind of tractor speed changer and tractor |
| CN110103705A (en) * | 2019-04-26 | 2019-08-09 | 长沙桑铼特农业机械设备有限公司 | A kind of intelligence differential locking tractor speed changer and tractor |
| CN110131365A (en) * | 2019-04-26 | 2019-08-16 | 长沙桑铼特农业机械设备有限公司 | A kind of tractor intelligence 4 wheel driven speed changer and tractor |
| CN110735917A (en) * | 2019-11-18 | 2020-01-31 | 中国热带农业科学院农业机械研究所 | manual and remote control dual-purpose gearbox applicable to agricultural vehicle and control method thereof |
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