CN208185362U - Tractor 16+8 shuttle-type gear gearbox - Google Patents
Tractor 16+8 shuttle-type gear gearbox Download PDFInfo
- Publication number
- CN208185362U CN208185362U CN201820493957.8U CN201820493957U CN208185362U CN 208185362 U CN208185362 U CN 208185362U CN 201820493957 U CN201820493957 U CN 201820493957U CN 208185362 U CN208185362 U CN 208185362U
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- Prior art keywords
- gear
- shuttle
- speed change
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- low
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Abstract
The utility model discloses tractor 16+8 shuttle-type gear gearboxes, tractor 16+8 shuttle-type gear gearbox, including input shaft and output shaft arranged in parallel, with input shaft is concentric is provided with secondary speed change jackshaft, it is provided with jackshaft with concentric on front side of output shaft, is equipped with along input shaft to outputting axial power transfer route: the main variable transmission mechanism with the output of 4 gears；With high gear, low gear, shuttle-type reverse gear 3 gears output spindle speed change transmission mechanism；The creeper gear transmission mechanism exported with 2 high gear, low gear gears.The utility model tractor 16+8 shuttle-type gear gearbox, using the composing type gearbox of 4 × (2+1) × 2, it can provide 16 forward gears, 8 retroversion gears, retain the design of original master, creeper gear part, secondary speed changing structure design is only improved, shuttle-type gear drive pattern is changed to by original secondary variable gearing, realizes the shift of shuttle-type gear.
Description
Technical field
The utility model relates to technical field of agricultural machinery, especially tractor field, and in particular to the 16+8 of tractor
Shuttle gear-shifting position gearbox.
Background technique
Currently, domestic gear box of tractor generallys use the composing type shuttle-type gear gearbox of 4 × (1+1) × 2, it can get 8
A forward gear, 8 retroversions gear, it is such it is combined due to being limited by space, gear is on the low side, reverse speed is relatively low, but with agriculture
The high development of industry mechanization and the operating feature of different zones, it is desirable that dilatory function, which provides, matches more gear speed, meets and makees
Industry demand.
Utility model content
The purpose of this utility model, which is that, provides tractor 16+8 shuttle-type gear gearbox, solves existing 4 × (1+1)
The problem of × 2 composing type tractor, gear is on the low side, and reverse speed is relatively low, and space is restricted.
The utility model achieves the above object through the following technical schemes:
Tractor 16+8 shuttle-type gear gearbox, it is same with input shaft including input shaft and output shaft arranged in parallel
Axle center is provided with secondary speed change jackshaft, is provided with jackshaft with concentric on front side of output shaft, passes along input shaft to outputting axial power
It passs route to be equipped with: the main variable transmission mechanism with the output of 4 gears；It reverses gear the output of 3 gears with high gear, low gear, shuttle-type
Spindle speed change transmission mechanism；The creeper gear transmission mechanism exported with 2 high gear, low gear gears.
The scheme that the utility model further solves is, the spindle speed change transmission mechanism includes secondary speed change jackshaft, defeated
Shaft, idler shaft, secondary speed change low gear driving gear, secondary speed change low gear engaging sleeve, shuttle-type shift driving gear, shuttle-type shift engagement
Set, shuttle-type gear driven gear, idle pulley；The secondary speed change low gear driving gear, secondary speed change low gear engaging sleeve, shuttle-type shift are actively
Gear is successively assemblied on secondary speed change jackshaft；The shuttle-type shift sleeve, shuttle-type gear driven gear are successively assemblied in defeated
On shaft；The pair speed change low gear engaging sleeve is slidedly assemblied on secondary speed change jackshaft；The shuttle-type shift sleeve sliding dress
Fit over output shaft.
The scheme that the utility model further solves is when the spindle speed change transmission mechanism output is low gear gear, to nibble
It closes shuttle-type shift sleeve to disconnect with jackshaft, flower outside the mobile and secondary speed change low gear driving gear of secondary speed change low gear engaging sleeve
Bond is closed, and the pair speed change low gear driving gear is engaged with shuttle-type shift sleeve.
The scheme that the utility model further solves is, when the spindle speed change transmission mechanism output is high gear gear, shuttle
Type shift sleeve moves to left in conjunction with jackshaft external splines.
The scheme that the utility model further solves is, secondary when the spindle speed change transmission mechanism output is reverse gear
Speed change low gear engaging sleeve is disconnected with secondary speed change low gear driving gear, and shuttle-type shift driving gear is engaged with idle pulley, described lazy
Wheel is engaged with shuttle-type gear driven gear, and shuttle-type shift sleeve is mobile in conjunction with shuttle-type gear driven gear external splines.
The scheme that the utility model further solves is that the main variable transmission mechanism includes input shaft, jackshaft and axis
Upper part；II gear driving gear, III gear driving gear, engaging tooth are successively equipped on the input shaft from power intake
Seat, engaging sleeve；The jackshaft is successively equipped with I gear driven gear, engagement toothholder, engaging sleeve, II gear from power intake
Driven gear, III gear driven gear, IV gear driven gear.
The scheme that the utility model further solves is, the creeper gear transmission mechanism include planetary gear, planet carrier,
High to low gear engages internal gear, creeper gear engaging sleeve, small conical gear axis, the small conical gear axis with output shaft is concentric sets
It sets, is arranged on rear side of output shaft, creeper gear engaging sleeve is assemblied on small conical gear axis, and the creeper gear engaging sleeve can control shifting
Dynamic, the creeper gear engaging sleeve can engage internal gear engagement with high to low gear, and the planetary gear has 3, in planet carrier, 3
A planetary gear is assemblied on output shaft, and high to low gear engages in internal gear indentation planet frame aperture, and another rise is fitted into ring gear, Gu
It is scheduled on gear box casing.
The beneficial effects of the utility model are:
1, the utility model tractor 16+8 shuttle-type gear gearbox, using the composing type gearbox of 4 × (2+1) × 2,
It can provide 16 forward gears, 8 retroversion gears retain the design of original master, creeper gear part, only improve secondary speed changing structure and set
Meter, is changed to shuttle-type gear drive pattern by original secondary variable gearing, realizes the shift of shuttle-type gear.
2, the utility model tractor 16+8 shuttle-type gear gearbox, drive mechanism have very big inheritance, are easy to push away
It is wide to implement and compact.
3, the utility model tractor 16+8 shuttle-type gear gearbox, versatility is good, is easy to implement.
Detailed description of the invention
Fig. 1 is the overall structure installation diagram of the utility model tractor 16+8 shuttle-type gear gearbox.
Fig. 2 is that the secondary variable part reverse idler gear assembly of the utility model tractor 16+8 shuttle-type gear gearbox cuts open
View.
Fig. 3 is the manipulation path profile of the major-minor variable speed of the utility model tractor 16+8 shuttle-type gear gearbox.
In figure: it is low that 1- input shaft, 2- II keep off driving gear, the gear of 3- III driving gear, 4- pair speed change jackshaft, 5- pair speed change
It keeps off driving gear, 6- pair speed change low gear engaging sleeve, 7- shuttle-type shift driving gear, 8- planetary gear, 9- high to low gear and engages internal tooth
Ring, 10- small conical gear axis, 11- creeper gear engaging sleeve, 12- creeper gear shift fork, 13- planet carrier, 14- ring gear, 15- output
Axis, 16- shuttle-type gear driven gear, 17- shuttle-type shift sleeve, 18- IV keep off driven gear, 19- jackshaft, 20- III and keep off passively
Gear, 21- II keep off driven gear, 22- I keeps off driven gear, 23- idle pulley, 24- idler shaft.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
According to Fig. 1 to tractor 16+8 shuttle-type gear gearbox shown in Fig. 3, including input shaft 1 arranged in parallel
With output shaft 15, and input shaft 1 is concentric is provided with secondary speed change jackshaft 4, and 15 front side of output shaft is concentric is provided with centre
Axis 19 is equipped with along input shaft 1 to 15 power transmission line of output shaft: the main variable transmission mechanism with the output of 4 gears；Have
High gear, low gear, shuttle-type reverse gear 3 gears output spindle speed change transmission mechanism；It is climbed with what 2 high gear, low gear gears exported
Row gear transmission mechanism；The spindle speed change transmission mechanism is low including secondary speed change jackshaft 4, output shaft 15, idler shaft 24, secondary speed change
Keep off driving gear 5, secondary speed change low gear engaging sleeve 6, shuttle-type shift driving gear 7, shuttle-type shift sleeve 17, shuttle-type gear driven tooth
Take turns 16, idle pulley 23；The secondary speed change low gear driving gear 5, secondary speed change low gear engaging sleeve 6, shuttle-type shift driving gear 7 are successively
It is assemblied on secondary speed change jackshaft 4；The shuttle-type shift sleeve 17, shuttle-type gear driven gear 16 are successively assemblied in output shaft
On 15；The pair speed change low gear engaging sleeve 6 is slidedly assemblied on secondary speed change jackshaft 4；The shuttle-type shift sleeve 17 is slided
It is assemblied in output shaft 15；When the spindle speed change transmission mechanism output is low gear gear, engagement shuttle-type shift sleeve 17 is in
Between axis 19 disconnect, secondary speed change low gear engaging sleeve 6 is mobile to be combined with secondary 5 external splines of speed change low gear driving gear, the pair change
Fast low gear driving gear 5 is engaged with shuttle-type shift sleeve 17；When the spindle speed change transmission mechanism output is high gear gear, shuttle
Type shift sleeve 17 moves to left in conjunction with 19 external splines of jackshaft；When the spindle speed change transmission mechanism output is reverse gear,
Secondary speed change low gear engaging sleeve 6 is disconnected with secondary speed change low gear driving gear 5, and shuttle-type shift driving gear 7 is engaged with idle pulley 23,
The idle pulley 23 is engaged with shuttle-type gear driven gear 16, the movement of shuttle-type shift sleeve 17 and 16 external splines of shuttle-type gear driven gear
In conjunction with；The main variable transmission mechanism includes input shaft 1, jackshaft 19 and parts on shaft；It is defeated from power on the input shaft 1
Enter end and is successively equipped with II gear driving gear 2, III gear driving gear 3, engagement toothholder, engaging sleeve；The jackshaft 19 is driven
Power input terminal is successively equipped with I gear driven gear 22, engagement toothholder, engaging sleeve, II gear driven gear 21, III and keeps off driven gear
20, IV gear driven gear 18；The creeper gear transmission mechanism includes planetary gear 8, planet carrier 13, high to low gear engagement internal gear
9, creeper gear engaging sleeve 11, small conical gear axis 10, the small conical gear axis 10 and the concentric setting of output shaft 15, setting exist
15 rear side of output shaft, creeper gear engaging sleeve 11 are assemblied on small conical gear axis 10, and the creeper gear engaging sleeve 11 can control shifting
Dynamic, the creeper gear engaging sleeve 11 can engage the engagement of internal gear 9 with high to low gear, and the planetary gear 8 has 3, be mounted in planet carrier
In 13,3 planetary gears 8 are assemblied on output shaft 15, and high to low gear engages internal gear 9 and is pressed into 13 hole of planet carrier, another to play dress
Enter in ring gear 14, is fixed on gear box casing.
Below in conjunction with Fig. 1,2 and 3, the course of work of the utility model:
Power is transmitted to input shaft 1 from the engine through clutch and keeps off (or II gear or III gear or IV gear) by I first
The transmission of gear drives jackshaft 19 to rotate, when shuttle-type shift sleeve 17 be in the position of Fig. 1, shuttle-type shift sleeve 17 and
Jackshaft 19 disconnects, and power transmits secondary speed change jackshaft 4 from jackshaft 19, is moved to the left by secondary speed change low gear engaging sleeve 6
In conjunction with secondary 5 external splines of speed change low gear gear, secondary speed change low gear gear 5 often engages with shuttle-type shift sleeve 17 and drives output shaft
The low gear transmission of secondary speed change is realized in 15 rotations；Shuttle-type shift sleeve 17 is moved to the left to be bound directly with 19 external splines of jackshaft,
Power directly passes to output shaft 15 from jackshaft 19, realizes secondary speed change high gear；Secondary speed change low gear engaging sleeve 6 is in the position Fig. 1,
Secondary speed change low gear engaging sleeve 6 is disconnected with secondary speed change low gear gear 5, and power transmits secondary speed change jackshaft 4 from jackshaft 19, is driven
Shuttle gear-shifting driving gear 7 rotates, and shuttle gear-shifting driving gear 7 is engaged with idle pulley 23, drives idle pulley 23 to rotate, idle pulley 23 is simultaneously
It is engaged with shuttle-type gear driven gear 16, shuttle-type shift sleeve 17 moves right, and the rotation of output shaft 15 is driven to realize reverse gear.
Power is transmitted to retaining device of creeping from secondary speed change again, and retaining device of creeping can realize high and low 2 speed change gears.When hanging high gear, creep
When gear engaging sleeve 11 is moved to the left, directly being engaged with output shaft 15, power passes to small conical gear axis 10 by output shaft, from
And realize the high gear creeped；When creeper gear engaging sleeve 11 moves right when hanging low gear, make in creeper gear engaging sleeve 11 and planet carrier
High to low gear engages internal gear 9 and engages, and power passes to 3 planetary gears 8 by output shaft 15, then engages ring gear by high to low gear
9 pass to creeper gear engaging sleeve 11, to pass to small conical gear axis 10, realize the transmission of creeper gear low gear.It is final realize 4 ×
The shuttle-type gear Gearbox design of the 16+8 of (2+1) × 2 composing type.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. tractor 16+8 shuttle-type gear gearbox, including input shaft (1) and output shaft (15) arranged in parallel, feature
Be: with input shaft (1) is concentric is provided with secondary speed change jackshaft (4), be provided with centre with concentric on front side of output shaft (15)
Axis (19) is equipped with along input shaft (1) to output shaft (15) power transmission line: the main transformer speed driver with the output of 4 gears
Structure；With high gear, low gear, shuttle-type reverse gear 3 gears output spindle speed change transmission mechanism；It is defeated with 2 high gear, low gear gears
Creeper gear transmission mechanism out.
2. tractor 16+8 shuttle-type gear gearbox according to claim 1, it is characterised in that: the spindle speed change transmission
Mechanism is low including secondary speed change jackshaft (4), output shaft (15), idler shaft (24), secondary speed change low gear driving gear (5), secondary speed change
Keep off engaging sleeve (6), shuttle-type shift driving gear (7), shuttle-type shift sleeve (17), shuttle-type gear driven gear (16), idle pulley
(23)；The secondary speed change low gear driving gear (5), secondary speed change low gear engaging sleeve (6), shuttle-type shift driving gear (7) are successively
It is assemblied on secondary speed change jackshaft (4)；The shuttle-type shift sleeve (17), shuttle-type gear driven gear (16) are successively assemblied in
On output shaft (15)；The pair speed change low gear engaging sleeve (6) is slidedly assemblied on secondary speed change jackshaft (4)；The shuttle-type shift
Engaging sleeve (17) is slidedly assemblied in output shaft (15).
3. tractor 16+8 shuttle-type gear gearbox according to claim 2, it is characterised in that: the spindle speed change transmission
When mechanism output is low gear gear, engagement shuttle-type shift sleeve (17) is disconnected with jackshaft (19), and secondary speed change low gear is nibbled
Trap (6) is mobile in conjunction with secondary speed change low gear driving gear (5) external splines, the pair speed change low gear driving gear (5) and shuttle-type
Shift sleeve (17) engagement.
4. tractor 16+8 shuttle-type gear gearbox according to claim 2, it is characterised in that: the spindle speed change transmission
When mechanism output is high gear gear, shuttle-type shift sleeve (17) is moved to left in conjunction with jackshaft (19) external splines.
5. tractor 16+8 shuttle-type gear gearbox according to claim 2, it is characterised in that: the spindle speed change transmission
When mechanism output is reverse gear, secondary speed change low gear engaging sleeve (6) disconnects with secondary speed change low gear driving gear (5), shuttle-type
Shift driving gear (7) is engaged with idle pulley (23), and the idle pulley (23) is engaged with shuttle-type gear driven gear (16), and shuttle-type shift is nibbled
Trap (17) is mobile in conjunction with shuttle-type gear driven gear (16) external splines.
6. tractor 16+8 shuttle-type gear gearbox according to claim 1, it is characterised in that: the main transformer speed driver
Structure includes input shaft (1), jackshaft (19) and parts on shaft；It is successively equipped on the input shaft (1) from power intake
II gear driving gear (2), III gear driving gear (3), engagement toothholder, engaging sleeve；The jackshaft (19) is from power intake
Successively be equipped with I gear driven gear (22), engagement toothholder, engaging sleeve, II gear driven gear (21), III gear driven gear (20),
IV gear driven gear (18).
7. tractor 16+8 shuttle-type gear gearbox according to claim 1, it is characterised in that: the creeper gear transmission
Mechanism includes planetary gear (8), planet carrier (13), high to low gear engagement internal gear (9), creeper gear engaging sleeve (11), conicle tooth
Wheel shaft (10), the small conical gear axis (10) and output shaft (15) concentric setting, setting are creeped on rear side of output shaft (15)
Gear engaging sleeve (11) is assemblied on small conical gear axis (10), and the creeper gear engaging sleeve (11) can move left and right, described to creep
Gear engaging sleeve (11) can engage internal gear (9) engagement with high to low gear, and the planetary gear (8) has 3, be mounted in planet carrier (13)
In, 3 planetary gears (8) are assemblied on output shaft (15), and high to low gear engages in internal gear (9) indentation planet carrier (13) hole, then
It is fitted into ring gear (14), is fixed on gear box casing together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820493957.8U CN208185362U (en) | 2018-04-09 | 2018-04-09 | Tractor 16+8 shuttle-type gear gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820493957.8U CN208185362U (en) | 2018-04-09 | 2018-04-09 | Tractor 16+8 shuttle-type gear gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185362U true CN208185362U (en) | 2018-12-04 |
Family
ID=64436668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820493957.8U Expired - Fee Related CN208185362U (en) | 2018-04-09 | 2018-04-09 | Tractor 16+8 shuttle-type gear gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110154A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Intelligent self-adaptive automatic transmission |
| CN117329275A (en) * | 2023-10-17 | 2024-01-02 | 绍兴前进齿轮箱有限公司 | Power shift gearbox and shift method thereof |
-
2018
- 2018-04-09 CN CN201820493957.8U patent/CN208185362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110154A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Intelligent self-adaptive automatic transmission |
| CN117329275A (en) * | 2023-10-17 | 2024-01-02 | 绍兴前进齿轮箱有限公司 | Power shift gearbox and shift method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20210409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |