CN208519126U - A kind of 150 horsepowers of tractor middle-grade gearboxes - Google Patents
A kind of 150 horsepowers of tractor middle-grade gearboxes Download PDFInfo
- Publication number
- CN208519126U CN208519126U CN201820401051.9U CN201820401051U CN208519126U CN 208519126 U CN208519126 U CN 208519126U CN 201820401051 U CN201820401051 U CN 201820401051U CN 208519126 U CN208519126 U CN 208519126U
- Authority
- CN
- China
- Prior art keywords
- gear
- grade
- horsepowers
- reverse
- box casing
- 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.)
- Active
Links
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a kind of 150 horsepowers of tractor middle-grade gearboxes, including gear box casing, the one of case before loading gear box casing, two, three, fourth gear shift mechanism, it is packed into the height of gear box casing rear cabinet, in, low-grade shift mechanism, shuttle gear-shifting mechanism mounted in gear box casing rear end, the one of preceding case, two, three, case assembles before fourth gear shift mechanism presses normal horsepower gear box of tractor, the height of rear cabinet, in, low-grade shift mechanism, this 150 horsepowers of tractor middle-grade gearbox designs, by not changing existing gear box of tractor shell, the reverse gear of shell rear cabinet is become low-grade, low grade becomes middle-grade, it is high-grade constant；Reverse gear shell is loaded onto the rear end face of gear box casing, reverse gear is dexterously transferred to the outside of gearbox, and realize shuttle gear-shifting.
Description
Technical field
The utility model relates to gearbox correlative technology field, specially a kind of 150 horsepowers of tractor middle-grade gearboxes.
Background technique
Tractor is mainly used for farm work, and speed ratio is not between 2Km/h -35Km/h, between each gear for travel speed
Greater than 1.6, according to different operating environments, uniform gear shift.But the backward gear of the gearbox of 150 horsepowers of tractors of early period designs
In the rear cabinet of gearbox, spatial position is occupied, so that tractor only has high and low shelves without middle-grade, that is to say, that dilatory
For machine there are two there are big velocity variations between gear, speed ratio has reached 2, drives very uncomfortable, also can not be entirely square
Position operation.Routinely to increase a middle-grade on gear box of tractor based on by gear drive, it is necessary to redesign and become
Fast tank shell, and gear box casing obtain it is very big, it is very expensive.It, in the same old way can be real if not changing existing gear box casing
Now tractor has high, medium and low, not only reduces cost, and can be convenient manufacture, realizes a machine multi items.This is practical
It is novel to provide for such a 150 horsepowers of tractors middle-grade gearbox.
Utility model content
The purpose of this utility model is to provide a kind of 150 horsepowers of tractor middle-grade gearboxes, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of 150 horsepowers of tractor middle-grade gearboxes, including gear box casing, be packed into case before gear box casing one, two,
Three, fourth gear shift mechanism is packed into the high, medium and low shift mechanism of gear box casing rear cabinet, the shuttle mounted in gear box casing rear end
Formula gearshift, preceding case one, two, three, fourth gear shift mechanism assembled by case before normal horsepower gear box of tractor, rear cabinet
High, medium and low shift mechanism, the fourth gear axis including being mounted in gear box casing rear cabinet, No. two on fourth gear axis
Needle bearing, middle-grade driving gear, engaging sleeve, low-grade driving gear；Mounted in level-one output shaft, the ball bearing of gear box casing,
The second level output shaft being inserted into level-one output shaft and ball bearing, medium-to-high grade change gear on second level output shaft, it is low-grade from
Moving gear, the shuttle gear-shifting mechanism mounted in gear box casing rear end, including the reverse gear shell on gear box casing, connection one
Number bolt, No.1 needle bearing, No.1 bearing, reverse shaft on reverse gear shell, transition gear on reverse shaft,
Two retaining rings, reverse driving gear, the first retaining ring, bearing plate, No. two bolts；Input gear on second level output shaft, every
Set, synchronizer, the reverse gear driven gear engaged with synchronizer, the axis shelves that control reverse gear driven gear axially moves；Fourth gear
Duplex idle gear on axis.
Preferably, case realizes that transmission ratio is the gear structure of 0.85-2.55 speed change before the gearbox.
Preferably, fourth gear shaft rear end portion is smooth and stretches out gear box casing rear end face, and tail portion adds
Work has circlip groove.
Preferably, the duplex idle gear inner hole is loaded into the smooth structure of No.1 needle bearing, and together with No.1 needle roller
Bearing is mounted in the rear end of fourth gear axis together, with retaining ring block.
Preferably, the low-grade driven gear and low-grade driving gear often engage, and are installed in gearbox rear cabinet former
Carry out reverse gear position.
Preferably, the medium-to-high grade change gear and middle-grade driving gear are high-grade gear pairs.
Preferably, the reverse gear shell is three groups of holes, is fixed with two No. two bearing top circles mounted in speed change box back
Position is simultaneously linked together with eight No.1 bolts and gearbox rear end face.
Preferably, the shuttle gear-shifting mechanism is synchronizer.
Preferably, the reverse driving gear engages connection with reverse gear driven gear.
Compared with prior art, the utility model has the beneficial effects that this 150 horsepowers of tractor middle-grade gearbox designs,
By not changing existing gear box of tractor shell, the reverse gear of shell rear cabinet is become low-grade, low grade becomes middle-grade, and top grade is not
Become；Reverse gear shell is loaded onto the rear end face of gear box casing, reverse gear is dexterously transferred to the outside of gearbox, and realize shuttle
Formula shift.
Detailed description of the invention
Fig. 1 is the utility model structure right half schematic diagram；
Fig. 2 is the utility model structure left half schematic diagram；
Fig. 3 is Tthe utility model system schematic diagram.
In figure: level-one output shaft 1, medium-to-high grade power shift gear 2, low-grade driven gear 3, second level output shaft 4, ball bearing 5, one
Number bolt 6, input gear 7, spacer 8, synchronizer 9, reverse gear driven gear 10, axis shelves 11,12, No. two bolts 13 of bearing plate,
No.1 bearing 14, the first retaining ring 15, reverse driving gear 16, the second retaining ring 17, reverse shaft 18, transition gear 19, reverse gear shell
20, No.1 needle bearing 21,22, No. two bearings 23 of duplex idle gear, low-grade driving gear 24, engaging sleeve 25, middle-grade driving tooth
Take turns 26, No. two needle bearings 27, fourth gear axis 28, gear box casings 29.
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.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:
A kind of 150 horsepowers of tractor middle-grade gearboxes can be used to widen the operation gear of tractor, make up current 150
Horsepower tractor only has high and low shelves without the deficiency of middle-grade, including gear box casing 29, is packed into case before gear box casing 29
One, two, three, fourth gear shift mechanism are packed into the high, medium and low shift mechanism of 29 rear cabinet of gear box casing, are mounted in gear box casing
The shuttle gear-shifting mechanism of 29 rear ends, preceding case one, two, three, fourth gear shift mechanism is by before normal 150 horsepowers of gear box of tractor
Case assembly, the high, medium and low shift mechanism of rear cabinet, the fourth gear axis 28 including being mounted in gear box casing rear cabinet are mounted in fourth gear
No. two needle bearings 27, middle-grade driving gear 26, engaging sleeve 25, low-grade driving gear 24 on gear shaft 28；Mounted in gearbox
Level-one output shaft 1, the ball bearing 5 of shell 29, the second level output shaft 4 being inserted into level-one output shaft 1 and ball bearing 5 are mounted in second level
Medium-to-high grade change gear 2, low-grade driven gear 3 on output shaft 4, the shuttle gear-shifting mechanism mounted in 29 rear end of gear box casing,
Shuttle gear-shifting mechanism is synchronizer 9, including reverse gear shell 20, the connection No.1 bolt 6 on gear box casing 29, mounted in
No.1 needle bearing 21, No.1 bearing 14, reverse shaft 18 on shelves shell 20, transition gear 19 on reverse shaft 18, the
12, No. two two retaining rings 17, reverse driving gear 16, the first retaining ring 15, bearing plate bolts 13；On second level output shaft 4
Input gear 7, spacer 8, synchronizer 9, the reverse gear driven gear 10 engaged with synchronizer 9, control reverse gear driven gear 10 are axial
Mobile axis shelves 11；Duplex idle gear 22 on fourth gear axis 28.
Before gearbox case realize 0.85-2.55 speed change gear structure, 28 rear end of fourth gear axis be it is smooth and
29 rear end face of gear box casing is stretched out, tail portion is machined with circlip groove, and 22 inner hole of duplex idle gear is loaded into No.1 needle roller axis
Hold 21 smooth structure, and together with No.1 needle bearing 21 mounted in the rear end of fourth gear axis 28, with retaining ring block,
Low-grade driven gear 3 and low-grade driving gear 24 often engage, and are installed in original reverse gear position, middle height in gearbox rear cabinet
Gear shift gear 2 and middle-grade driving gear 26 are high-grade gear pairs, and reverse gear shell 20 is three groups of holes, are with after gearbox
Two No. two 23 excircle orientations of bearing at end are simultaneously linked together with eight No.1 bolts 6 and gearbox rear end face, reverse gear master
Moving gear 16 engages connection with reverse gear driven gear 10.
A kind of embodiment of 150 horsepowers of tractors middle-grade gearbox, in the embodiment, preceding case one, two, three, fourth gear changes
Gear mechanism is assembled by the preceding case of normal 150 horsepowers of gear box of tractor.The assembly of rear cabinet: in the inner hole of level-one output shaft 1
Needle roller is sticked, ball bearing 5 is filled on second level output shaft 4, is then sequentially loaded into low-grade driven gear 3 and medium-to-high grade change gear 2,
It is inserted into the No.1 needle bearing 21 in level-one output shaft 1；No.1 needle bearing 21, middle-grade are filled on fourth gear axis 28 actively
Gear 26, engaging sleeve 25, low-grade driving gear 24, No.1 bearing 14 in pressure；Duplex idle gear is filled in 28 end of fourth gear axis
22, retaining ring positioning；Reverse gear shell 20 is filled on the rear end face of transmission housing 29, is positioned with two No.1 bearings 14, connection No.1
Bolt 6 is fixed；No.1 needle bearing 21, reverse shaft 18, transition gear 19, the second retaining ring 17, reverse gear are filled on reverse gear shell 20
12, No. two driving gear 16, the first retaining ring 15, No.1 bearing 14, bearing plate bolts 13 are fixed；It is filled on second level output shaft 4
Input gear 7, spacer 8；Storage.Axis shelves 11, reverse gear driven gear 10, synchronizer 9 are loaded on the bevel pinion shaft of rear axle；It deposits
It puts, when needed, two parts, which are combined, can go up general assembly line.
After installing tractor, gear lever, when medium-to-high grade change gear 2 is combined with level-one output shaft 1, engaging sleeve 25 are manipulated
In neutral position, for power directly from level-one output shaft 1 to second level output shaft 4, gearbox is in high-grade state；When medium and high quality is changed
When shelves gear 2 is combined with low-grade driven gear 3, engaging sleeve 25 is in neutral position, and power is passed to from low-grade driving gear 24
Low-grade driven gear 3, drives second level output shaft 4, and gearbox is in Low gear state；When engaging sleeve 25 and 26 knot of middle-grade driving gear
When conjunction, medium-to-high grade change gear 2 is in neutral position, and power passes to medium-to-high grade change gear 2, band from middle-grade driving gear 26
Dynamic second level output shaft 4, gearbox are in middle-grade state；The 9 shuttle gear-shifting mechanism of synchronizer of rear end, which realizes, to advance, falls back, synchronous
Device 9 is drive shift when being pushed forward, and when pusher is backward gear.9 shuttle gear-shifting of synchronizer is very soft.
Working principle is: when medium-to-high grade change gear 2 is combined with level-one output shaft 1, engaging sleeve 25 is in neutral position,
For power directly from level-one output shaft 1 to second level output shaft 4, gearbox is in high-grade state；When medium-to-high grade change gear 2 and low grade
When driven gear 3 combines, engaging sleeve 25 is in neutral position, and power passes to low-grade driven gear 3 from low-grade driving gear 24,
Second level output shaft 4 is driven, gearbox is in Low gear state；When engaging sleeve 25 is combined with middle-grade driving gear 26, medium and high quality is changed
Shelves gear 2 is in neutral position, and power passes to medium-to-high grade change gear 2 from middle-grade driving gear 26, drives second level output shaft,
Gearbox is in middle-grade state；The 9 shuttle gear-shifting mechanism of synchronizer of rear end, which realizes, to advance, falls back, and synchronizer 9 is to advance when being pushed forward
Shelves, when pusher are backward gears.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of 150 horsepowers of tractor middle-grade gearboxes, which is characterized in that including gear box casing (29), be packed into transmission housing
Before body (29) case one, two, three, fourth gear shift mechanism, be packed into the high, medium and low gear shift of the gear box casing (29) rear cabinet
Mechanism, is mounted in the shuttle gear-shifting mechanism of the gear box casing (29) rear end, preceding case one, two, three, fourth gear shift mechanism is being by just
Case assembles before 150 horsepowers of normal gear box of tractor, the high, medium and low shift mechanism of rear cabinet, including is mounted in the transmission housing
The fourth gear axis (28) of body rear cabinet, No. two needle bearings (27), middle-grade driving gears on fourth gear axis (28)
(26), engaging sleeve (25), low-grade driving gear (24)；Mounted in level-one output shaft (1), the ball bearing of the gear box casing (29)
(5), insertion level-one output shaft (1) and ball bearing (5) in second level output shaft (4), be mounted in the second level output shaft (4) in
High-grade change gear (2), low-grade driven gear (3), are mounted in the shuttle gear-shifting mechanism of the gear box casing (29) rear end, including
Reverse gear shell (20), connection No.1 bolt (6) on the gear box casing (29), one on reverse gear shell (20)
Number needle bearing (21), No.1 bearing (14), reverse shaft (18), transition gear (19), second gear on reverse shaft (18)
Enclose (17), reverse driving gear (16), the first retaining ring (15), bearing plate (12), No. two bolts (13)；Mounted in second level output shaft
(4) input gear (7), spacer (8), synchronizer (9) on, the reverse gear driven gear (10) engaged with synchronizer (9), control is fallen
The axis shelves (11) that shelves driven gear (10) moves axially；Duplex idle gear (22) on fourth gear axis (28).
2. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: before the gearbox
Case realizes that transmission ratio is the gear structure of 0.85-2.55 speed change.
3. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the fourth gear
Axis (28) rear end is smooth and stretches out gear box casing (29) rear end face, and tail portion is machined with circlip groove.
4. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the lazy tooth of duplex
Wheel (22) inner hole is loaded into the smooth structure of No.1 needle bearing (21), and is mounted in fourth gear together with No.1 needle bearing (21)
The rear end of gear shaft (28), with retaining ring block.
5. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the low grade is driven
Gear (3) and low-grade driving gear (24) are often engaged, and original reverse gear position in gearbox rear cabinet is installed in.
6. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the medium and high quality is changed
Shelves gear (2) and middle-grade driving gear (26) are high-grade gear pairs.
7. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the reverse gear shell
(20) it is three groups of holes, is with two No. two bearing (23) excircle orientations mounted in speed change box back and with eight No.1 bolts
(6) it links together with gearbox rear end face.
8. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the shuttle gear-shifting
Mechanism is synchronizer (9).
9. a kind of 150 horsepowers of tractors middle-grade gearbox according to claim 1, it is characterised in that: the reverse gear is actively
Gear (16) engages connection with reverse gear driven gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401051.9U CN208519126U (en) | 2018-03-23 | 2018-03-23 | A kind of 150 horsepowers of tractor middle-grade gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401051.9U CN208519126U (en) | 2018-03-23 | 2018-03-23 | A kind of 150 horsepowers of tractor middle-grade gearboxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208519126U true CN208519126U (en) | 2019-02-19 |
Family
ID=65341469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820401051.9U Active CN208519126U (en) | 2018-03-23 | 2018-03-23 | A kind of 150 horsepowers of tractor middle-grade gearboxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208519126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673772A (en) * | 2022-05-30 | 2022-06-28 | 山东时利和精工机械有限公司 | Shuttle type gear shifting gearbox |
-
2018
- 2018-03-23 CN CN201820401051.9U patent/CN208519126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673772A (en) * | 2022-05-30 | 2022-06-28 | 山东时利和精工机械有限公司 | Shuttle type gear shifting gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11293525B2 (en) | Seven-speed double clutch transmission and vehicle | |
| CN102678839B (en) | Double-clutch transmission used in tractor | |
| CN103758887B (en) | Built-in synchronizer and selector device thereof | |
| CN101315115A (en) | Transmission | |
| CN201827306U (en) | Double-clutch type automatic transmission | |
| CN101949430A (en) | Novel double clutch type automatic transmission (DCT) layout structure | |
| US4686869A (en) | Ratio change gear speed synchronizing in a tractor transmission | |
| CN208519126U (en) | A kind of 150 horsepowers of tractor middle-grade gearboxes | |
| CN203641327U (en) | Internal synchronizer and gear shift operating mechanism | |
| CN204647173U (en) | A kind of gearshift light car speed changer | |
| CN105508544A (en) | Combined harvester hydraulic power gearshift transmission case | |
| CN104791428A (en) | Automobile transmission light in gear shifting | |
| CN219139768U (en) | Tractor gearbox with HST | |
| CN204512374U (en) | For the auxiliary transmission assembly of tricycle or four-wheel wagon | |
| CN203421127U (en) | Nine-gear transmission with double intermediate shafts, bevel gears and lock ring type synchronizer | |
| CN103388658A (en) | 9-gear twin-countershaft helical gear lock pin synchronizer transmission | |
| CN215861568U (en) | Novel automatic gear shifting speed change assembly | |
| CN110712515A (en) | Hybrid transmission | |
| CN109505930A (en) | A kind of bull-dozer gearbox | |
| CN115355299A (en) | High-low speed full-time four-wheel drive transmission with HST | |
| CN103388657A (en) | 9-gear twin-countershaft helical gear lock ring synchronizer transmission | |
| CN208221490U (en) | A kind of 100 horsepowers of tractor middle-grade gearboxes | |
| CN203670633U (en) | First-gear variable speed driving mechanism for automobile gearbox | |
| CN203670622U (en) | Primary reduction driving mechanism for automobile gearbox | |
| CN209959821U (en) | Small-sized agricultural wheeled vehicle gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |