CN103335071B - Gearbox - Google Patents
Gearbox Download PDFInfo
- Publication number
- CN103335071B CN103335071B CN201310293505.7A CN201310293505A CN103335071B CN 103335071 B CN103335071 B CN 103335071B CN 201310293505 A CN201310293505 A CN 201310293505A CN 103335071 B CN103335071 B CN 103335071B
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- China
- Prior art keywords
- output shaft
- forerunner
- rear cabinet
- front case
- case
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Abstract
The invention discloses a kind of gearbox, comprise front case, rear cabinet and forerunner's case; Described front case comprises front casing, is provided with front case power shaft, front case jackshaft and front case output shaft on described front casing; Described rear cabinet comprises rear box, is provided with rear cabinet the first output shaft, rear cabinet jackshaft and rear cabinet the second output shaft on described rear box; Described forerunner's case comprises forerunner's casing, is provided with forerunner's jackshaft and forerunner's output shaft on described forerunner's casing; Gearbox of the present invention, sliding sleeve at forerunner's case synchronized engages and separates two kinds with the 4th driving gear, dilatory function realizes respectively four-wheel drive and two-wheel drive, thereby this speed changer makes dilatory function select flexibly two-wheel drive or four-wheel to drive according to different situations simultaneously, meets its walking requirement under different work operating mode; And the gear of this gearbox is more, output speed ratio excursion is wider, thereby makes dilatory function carry out operation under the speed of travel of optimizing, and energy-saving effect is better.
Description
Technical field
The present invention relates to a kind of deceleration device, particularly a kind of gearbox.
Background technology
For being driven by tractor and drawing and disposablely complete the cultivated whole of subsoiling rotary tillage and the multi-mode operation such as wholeMachinery, requires its gearbox must possess larger output torque, particularly for the poor ground of arable land situationDistrict, the size to gearbox output torque and the way of output require higher.
Existing scarification equipment, is generally two-wheel drive, and the output torque of its gearbox is less, for arable landThe area that environment is poor, the ploughing machine of two-wheel drive is more difficult meets job requirements, its farming wide cut, farmingThe degree of depth is all less.
Therefore, need to improve the gearbox of the primary tillage equipment of existing tractor-drawn, moving to change itThe power way of output and its output torque of increase.
Summary of the invention
In view of this, the object of this invention is to provide a kind of gearbox, its make dilatory function select two-wheel drive orFour-wheel drives simultaneously, thereby meets the walking requirement of tractor under different road surface, and it has multiple simultaneouslyOutput gear, to ensure that output torque meets arable land requirement.
Gearbox of the present invention: comprise front case, rear cabinet and forerunner's case;
Described front case comprises front casing, on described front casing, be provided with front case power shaft, front case jackshaft andFront case output shaft, one end of described front case power shaft is positioned at outside front casing, the other end is positioned at front casing,And front case power shaft is positioned on the shaft part of front casing and is fixedly installed the first driving gear, in described front caseOn countershaft, be fixedly installed the first driven gear engaging with the first driving gear, on described front case jackshaftBe fixedly connected with initiatively power shift gear of front case, on described front case output shaft, be connected with and front case master by bearingThe driven power shift gear of front case of moving power shift gear engagement, is also provided with on described front case output shaft for by frontThe driven power shift gear power of case passes to the front case synchronized of front case output shaft;
Described rear cabinet comprises rear box, is provided with in the middle of rear cabinet the first output shaft, rear cabinet on described rear boxAxle and rear cabinet the second output shaft, one end of described rear cabinet the first output shaft is positioned at outside rear box, other end positionIn rear box, one end of described front case output shaft is positioned at front casing logical with the end of front case power shaftCross bearing and connect, the other end of described front case output shaft is positioned at rear box and with rear cabinet the first output shaftEnd connects by bearing, and described front case output shaft is positioned on the shaft part of rear box and is provided with second initiativelyGear, is fixedly connected with the driven power shift gear of rear cabinet on described rear cabinet jackshaft, the driven gearshift of described rear cabinetOne in gear is engaged with the second driving gear, on described rear cabinet the second output shaft, is connected with by bearingThe rear cabinet engaging with the driven power shift gear of rear cabinet is power shift gear initiatively, on described rear cabinet the second output shaft, also establishesBe equipped with the rear cabinet synchronized for the power of rear cabinet active power shift gear being passed to rear cabinet the second output shaft;
Described forerunner's case comprises forerunner's casing, on described forerunner's casing, be provided with forerunner's jackshaft and forerunner defeatedShaft, one end of described rear cabinet the second output shaft is arranged in forerunner's casing, and be arranged in forerunner's casing afterOn case the second output shaft shaft part, be fixedly connected with the 3rd driving gear and the 3rd driven tooth being connected by bearingWheel, is fixedly installed on described forerunner's jackshaft respectively and engages with the 3rd driving gear and the 3rd driven gearSpeed governing tumbler gear, on described forerunner's output shaft, be connected with and engage with the 3rd driven gear by bearingThe 4th driving gear, is also provided with on described forerunner's output shaft for by the power transmission of the 4th driving gearGive forerunner's case synchronized of forerunner's output shaft.
Further, the driven power shift gear of described front case comprises that five advance power shift gear and one retreat gearshiftGear.
Further, the driven power shift gear of described rear cabinet and rear cabinet active power shift gear are two.
Beneficial effect of the present invention:
1, gearbox of the present invention, its rear cabinet second output shaft passes to tractor rear wheel by power, its forerunnerPower is passed to tractor front-wheel by output shaft, connects at sliding sleeve and the 4th driving gear of forerunner's case synchronizedIn the situation of closing, tractor is realized four-wheel drive; At sliding sleeve and the 4th driving gear of forerunner's case synchronizedIn situation about separating, tractor is realized two-wheel drive; This sample speed changer just makes dilatory function according to differentSituation selects two-wheel drive or four-wheel to drive flexibly simultaneously, thereby meets tractor under different work operating modeWalking requirement, as adopted in four-wheel drive situation, output torque is larger, and the farming that can improve ploughing machine is wideWidth and tilth.
2, gearbox of the present invention, its gear is more, and output speed ratio excursion is wider, thereby makes dilatory functionUnder the speed of travel of optimizing, carry out operation, energy-saving effect is better.
Brief description of the drawings
Fig. 1 is the front view of gearbox of the present invention;
Fig. 2 is the cutaway view along A-A in Fig. 1;
Fig. 3 is the cutaway view along B-B in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the present embodiment gearbox, comprises front case, rear cabinet and forerunner's case;
Described front case comprises front casing 1, on described front casing 1, is provided with in the middle of front case power shaft 2, front caseAxle 3 and front case output shaft 4, one end of described front case power shaft 2 is positioned at outside front casing 1, the other end is positioned atIn front casing 1, and front case power shaft 2 is positioned on the shaft part of front casing 1 and is fixedly installed first initiativelyGear 5, is fixedly installed the first driven tooth engaging with the first driving gear 5 on described front case jackshaft 3Wheel 6, is fixedly connected with initiatively power shift gear 7 of front case, described front case output shaft on described front case jackshaft 3On 4, be connected with and the front case driven power shift gear 8 of front case that initiatively power shift gear 7 engages by bearing, described inOn front case output shaft 4, be also provided with for driven front case power shift gear 8 power are passed to front case output shaft 4Front case synchronized 9;
Described rear cabinet comprises rear box 10, on described rear box 10, be provided with rear cabinet the first output shaft 11,Rear cabinet jackshaft 12 and rear cabinet the second output shaft 13, after one end of described rear cabinet the first output shaft 11 is positioned atCasing 10 is outer, the other end is positioned at rear box 10, and one end of described front case output shaft 4 is positioned at front casing 1In and be connected by bearing with the end of front case power shaft 2, the other end of described front case output shaft 4 is positioned atRear box 10 is interior and be connected described front case output shaft 4 by bearing with the end of rear cabinet the first output shaft 11Be positioned on the shaft part of rear box 10 and be provided with the second driving gear 14, solid on described rear cabinet jackshaft 12Surely be connected with the driven power shift gear 15 of rear cabinet, in the driven power shift gear 15 of described rear cabinet is main with secondMoving gear 14 engages, and on described rear cabinet the second output shaft 13, is connected with and the driven gearshift of rear cabinet by bearingThe rear cabinet that gear 15 engages is power shift gear 16 initiatively, on described rear cabinet the second output shaft 13, is also provided with useIn the rear cabinet synchronized 17 that the power of rear cabinet active power shift gear 16 is passed to rear cabinet the second output shaft 13;
Described forerunner's case comprises forerunner's casing 18, on described forerunner's casing 18, is provided with forerunner's jackshaft 19With forerunner's output shaft 20, one end of described rear cabinet the second output shaft 13 is arranged in forerunner's casing 18, and positionOn rear cabinet the second output shaft shaft part in forerunner's casing 18, be fixedly connected with the 3rd driving gear 21 and logicalCross the 3rd driven gear 22 that bearing connects, on described forerunner's jackshaft 19, be fixedly installed respectively with the 3rdThe speed governing tumbler gear 23 that driving gear 21 and the 3rd driven gear 22 engage, described forerunner's output shaft 20Above be connected with by bearing the 4th driving gear 24 engaging with the 3rd driven gear 22, described forerunner's outputOn axle 20, be also provided with the forerunner for the power of the 4th driving gear 24 being passed to forerunner's output shaft 20Case synchronized 25.
In the present embodiment, front case power shaft 2, front case output shaft 4 and rear cabinet the first output shaft 11 are coaxially establishedPut, make the compact conformation of this gearbox, small volume; Case power shaft 2, front case output shaft 4 simultaneouslyMutually support with the end of rear cabinet the first output shaft 11, make front case power shaft 2, front case output shaft 4 andThe rigidity of rear cabinet the first output shaft 11 is better, bearing capacity is stronger.
In the present embodiment, rear cabinet the first output shaft 11 passes to for the power that front case output shaft 4 is exportedThe farming cutter of ploughing machine, certainly in concrete enforcement, this gearbox also comprises that case is defeated in the past by powerShaft 4 passes to rear cabinet the first output shaft 11 gear transmission structures and gearshift, because this part is notThe application's inventive point, does not just elaborate at this.
In the present embodiment, can make rear cabinet the second output shaft 13 and front by the speed governing of speed governing tumbler gear 23The output speed that drives output shaft 20 meets design requirement with turning to, and makes the front and rear wheels of the different sizes of tractorCoordinate to rotate.
This gearbox when work, engage at the sliding sleeve of forerunner's case synchronized 25 and the 4th driving gear 24In situation, the power that front case power shaft 2 is inputted is respectively through rear cabinet the second output shaft 13 and forerunner's output shaft 20The trailing wheel and the front-wheel that pass to tractor, tractor is realized four-wheel drive; In the cunning of forerunner's case synchronized 25In the situation that cover separates with the 4th driving gear 24, the power that front case power shaft 2 is inputted is only through rear cabinet secondOutput shaft 13 passes to the trailing wheel of tractor, and tractor is realized two-wheel drive; This sample gearbox just makes to dragMachine drawing can select two-wheel drive or four-wheel to drive according to different situations flexibly simultaneously, exists thereby meet tractorWalking requirement under different work operating mode, as adopted in four-wheel drive situation, output torque is larger, can improveFarming wide cut and the tilth of ploughing machine.
As the improvement to this enforcement, the driven power shift gear 8 of described front case comprises five gearshift teeth that advanceWheel 26 and one retreat power shift gear 27, the driven power shift gear 15 of described rear cabinet and the rear cabinet tooth of initiatively shifting gearsWheel 16 is two; The present embodiment gearbox, its gear is more, and output speed ratio excursion is wider, therebyMake dilatory function carry out operation under the speed of travel of optimizing, energy-saving effect is better. Certainly in difference enforcement sideIn formula, the power shift gear quantity of front case and rear cabinet can adjust accordingly according to specific requirement.
Finally explanation, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, althoughWith reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from technical solution of the present inventionAim and scope, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. a gearbox, is characterized in that: comprise front case, rear cabinet and forerunner's case;
Described front case comprises front casing, on described front casing, be provided with front case power shaft, front case jackshaft andFront case output shaft, one end of described front case power shaft is positioned at outside front casing, the other end is positioned at front casing,And front case power shaft is positioned on the shaft part of front casing and is fixedly installed the first driving gear, in described front caseOn countershaft, be fixedly installed the first driven gear engaging with the first driving gear, on described front case jackshaftBe fixedly connected with initiatively power shift gear of front case, on described front case output shaft, be connected with and front case master by bearingThe driven power shift gear of front case of moving power shift gear engagement, is also provided with on described front case output shaft for by frontThe driven power shift gear power of case passes to the front case synchronized of front case output shaft;
Described rear cabinet comprises rear box, is provided with in the middle of rear cabinet the first output shaft, rear cabinet on described rear boxAxle and rear cabinet the second output shaft, one end of described rear cabinet the first output shaft is positioned at outside rear box, other end positionIn rear box, one end of described front case output shaft is positioned at front casing logical with the end of front case power shaftCross bearing and connect, the other end of described front case output shaft is positioned at rear box and with rear cabinet the first output shaftEnd connects by bearing, and described front case output shaft is positioned on the shaft part of rear box and is provided with second initiativelyGear, is fixedly connected with the driven power shift gear of rear cabinet on described rear cabinet jackshaft, the driven gearshift of described rear cabinetOne in gear is engaged with the second driving gear, on described rear cabinet the second output shaft, is connected with by bearingThe rear cabinet engaging with the driven power shift gear of rear cabinet is power shift gear initiatively, on described rear cabinet the second output shaft, also establishesBe equipped with the rear cabinet synchronized for the power of rear cabinet active power shift gear being passed to rear cabinet the second output shaft;
Described forerunner's case comprises forerunner's casing, on described forerunner's casing, be provided with forerunner's jackshaft and forerunner defeatedShaft, one end of described rear cabinet the second output shaft is arranged in forerunner's casing, and be arranged in forerunner's casing afterOn case the second output shaft shaft part, be fixedly connected with the 3rd driving gear and the 3rd driven tooth being connected by bearingWheel, is fixedly installed on described forerunner's jackshaft respectively and engages with the 3rd driving gear and the 3rd driven gearSpeed governing tumbler gear, on described forerunner's output shaft, be connected with and engage with the 3rd driven gear by bearingThe 4th driving gear, is also provided with on described forerunner's output shaft for by the power transmission of the 4th driving gearGive forerunner's case synchronized of forerunner's output shaft.
2. gearbox according to claim 1, is characterized in that: in the driven power shift gear of described front caseComprise that five advance power shift gear and one retreat power shift gear.
3. gearbox according to claim 1, is characterized in that: the driven power shift gear of described rear cabinet andRear cabinet initiatively power shift gear is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293505.7A CN103335071B (en) | 2013-07-12 | 2013-07-12 | Gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293505.7A CN103335071B (en) | 2013-07-12 | 2013-07-12 | Gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335071A CN103335071A (en) | 2013-10-02 |
| CN103335071B true CN103335071B (en) | 2016-05-18 |
Family
ID=49243278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310293505.7A Expired - Fee Related CN103335071B (en) | 2013-07-12 | 2013-07-12 | Gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335071B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329442A (en) * | 2014-10-28 | 2015-02-04 | 包文波 | Transmission shaft for machine tool transmission system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5546823A (en) * | 1993-05-20 | 1996-08-20 | Eaton Corporation | High-capacity compound transmission |
| CN2814017Y (en) * | 2005-07-20 | 2006-09-06 | 山东福田重工股份有限公司 | Tractor gear-box assembly |
| JP2008298223A (en) * | 2007-06-01 | 2008-12-11 | Mazda Motor Corp | Transmission |
| CN201339686Y (en) * | 2009-01-21 | 2009-11-04 | 浙江长泰机械有限公司 | Light car speed changer with main tank and auxiliary tank |
| JP4809493B1 (en) * | 2010-09-28 | 2011-11-09 | 株式会社クボタ | Power transmission device for tractor |
| CN203348447U (en) * | 2013-07-12 | 2013-12-18 | 重庆耀恒齿轮有限公司 | Speed changing box |
-
2013
- 2013-07-12 CN CN201310293505.7A patent/CN103335071B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103335071A (en) | 2013-10-02 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20180712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |