CN203285925U - Gearbox used for boat tractor - Google Patents
Gearbox used for boat tractor Download PDFInfo
- Publication number
- CN203285925U CN203285925U CN2013202322462U CN201320232246U CN203285925U CN 203285925 U CN203285925 U CN 203285925U CN 2013202322462 U CN2013202322462 U CN 2013202322462U CN 201320232246 U CN201320232246 U CN 201320232246U CN 203285925 U CN203285925 U CN 203285925U
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- gear
- shaft
- transmission
- transmission shaft
- power input
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Abstract
A gearbox used for a boat tractor comprises a box body and is characterized in that a power input shaft backward gear, a power input shaft second-gear gear, a power input shaft third-gear gear and a power input shaft first-gear gear are installed on a power input shaft; a first transmission shaft transmission gear, a first transmission shaft second-gear gear and a first transmission shaft connection gear are installed on a first transmission shaft, and the first transmission shaft connection gear is composed of a left-side first transmission shaft third-gear gear and a right-side first transmission shaft first-gear gear; a second transmission shaft transmission gear and a second transmission shaft backward gear are installed on a second transmission shaft; a power output shaft transmission gear is installed on a power output shaft; gear shifting is performed by respectively shifting the first transmission shaft third-gear gear, the first transmission shaft first-gear gear, the first transmission shaft second-gear gear and the second transmission shaft backward gear. The gearbox used for the boat tractor is simple in structure, small in size, light in weight, capable of meeting the speed change requirement when the boat tractor runs on a road and works in the field and low in manufacturing cost and saves fuel oil in the using process.
Description
Technical field
The utility model relates to a kind of gearbox, is specifically related to a kind of gearbox for boat tractor.
Background technique
At present, general boat tractor can only pass through the Throttle Opening Control travelling speed, be to only have a velocity ratio between motor and driving wheel, the regulation range of travelling speed is smaller and react insensitive, not only increase the consumption of fuel oil while travelling, and in the situation that upward slope, descending, turn sharp turn, very easily cause security incident.The minority boat tractor is used for reference the gearbox of tractor, but because its speed change gear is too many, so complex structure, quality are larger, and not only manufacture cost is higher, and oil consumption is larger while using.In sum, the speed change gear of existing boat tractor has a common very important shortcoming: during use oil consumption higher, not only increased user's user cost, and wasted energy, increased the pollution to environment.
The model utility content
The technical problems to be solved in the utility model is the higher shortcoming of oil consumption while overcoming the speed change gear use that has boat tractor now, a kind of gearbox for boat tractor is provided, the consumption of adopting the boat tractor of this gearbox can save fuel oil, and can meet on the boat tractor road and travel and the needs of farm work.The technical solution adopted in the utility model is:
A kind of gearbox for boat tractor, comprise casing, it is characterized in that: power input shaft, the first transmission shaft, second driving shaft, pto＝power take-off, the first declutch shift shaft and the second declutch shift shaft are installed in described casing; The gear of installing on described power input shaft is respectively power input shaft reverse gear, power input shaft intermediate gear, power input shaft three-range transmission and one grade of gear of power input shaft from left to right; The gear of installing on described the first transmission shaft is respectively the first transmission shaft driven gear, the first drive shaft 2nd gear, the first transmission shaft disjunctor gear from left to right, and described the first transmission shaft disjunctor gear forms whole by the first transmission shaft three-range transmission in left side and one grade of gear of the first transmission shaft on right side; The gear of installing on described second driving shaft is respectively second driving shaft driving gear and second driving shaft reverse gear from left to right; The pto＝power take-off driving gear is installed on described pto＝power take-off; The first shift fork is installed on described the first declutch shift shaft, and the man type pusher dog of described the first shift fork is positioned at the annular groove of the wheel hub of the first transmission shaft disjunctor tooth; The second shift fork is installed on described the second declutch shift shaft, and two man type pusher dogs of described the second shift fork lay respectively in the annular groove of wheel hub of the first drive shaft 2nd gear and second driving shaft reverse gear; Described the first transmission shaft three-range transmission, one grade of gear of the first transmission shaft and the first drive shaft 2nd gear can slide vertically on the first transmission shaft, described second driving shaft reverse gear can slide vertically on second driving shaft, other gears all can not slide vertically; Described the first declutch shift shaft and the second declutch shift shaft can slide in the axis hole of casing; When gearbox is in neutral position, only have the first transmission shaft driven gear and the engagement of second driving shaft driving gear, second driving shaft driving gear and the engagement of pto＝power take-off driving gear; When stirring the second shift fork the first drive shaft 2nd gear and second driving shaft reverse gear slided to the right, the first drive shaft 2nd gear and the engagement of power input shaft intermediate gear, the speed of gearbox output is second gear; When stirring the second shift fork the first drive shaft 2nd gear and second driving shaft reverse gear slided left, second driving shaft reverse gear and the engagement of power input shaft reverse gear, the speed of gearbox output is reverse gear; When stirring the first shift fork one grade of gear of the first transmission shaft slided to the right, one grade of gear engagement of the first one grade of transmission shaft gear and power input shaft, the speed of gearbox output is one grade; When stirring the first shift fork the first transmission shaft three-range transmission slided left, the first transmission shaft three-range transmission and the engagement of power input shaft three-range transmission, the speed of gearbox output is third gear; The left end of described pto＝power take-off reaches outside casing and this left end is used for installing belt pulley or sprocket wheel; The right-hand member of described power input shaft reaches outside casing and this right-hand member is used for installing clutch pulley.
Below additional technical characteristics is proposed above technological scheme:
1, the right-hand member of described pto＝power take-off reaches outside casing and this right-hand member be used for to be installed belt pulley or sprocket wheel.
2, the left end of described power input shaft reaches outside casing and this left end be used for to be installed oil pump.
3, the axis of described the first transmission shaft, second driving shaft and pto＝power take-off is parallel to each other and be positioned at same horizontal plane.
4, described power input shaft is positioned at the below of the first transmission shaft and second driving shaft.
5, the axis of described the first declutch shift shaft and the second declutch shift shaft is parallel to each other and be positioned at same horizontal plane, described the first declutch shift shaft and the second declutch shift shaft are positioned at the top of the first transmission shaft and second driving shaft, described the first declutch shift shaft and the second declutch shift shaft the projection on horizontal plane at the first transmission shaft and second driving shaft between the projection on horizontal plane.
Illustrate: for the convenience of narrating, in the utility model, according to shown in Figure 2, the end that each axle is positioned at below is called right-hand member, and the other end of each axle is called left end.
Beneficial effect: this gearbox for boat tractor has three forward gearss and a backward gear, wherein two faster forward gears be mainly used on road travelling and farm work, a forward gears the slowest is mainly used in the extreme terrain safety traffic; Due to its speed change gear arrange reasonable, simple in structure, volume is little, lightweight, not only can meet that boat tractor on the way travels and the needs of speed change during farm work, and save fuel oil when low cost of manufacture, use; A belt pulley or sprocket wheel can respectively be installed in the two ends of its output shaft, are convenient to two driving wheels difference transferring power to boat tractor.
Description of drawings
Fig. 1 is a kind of plan view of the gearbox for boat tractor;
Fig. 2 is a kind of plan view of the gearbox for boat tractor;
Fig. 3 is a kind of scheme of installation of the first declutch shift shaft, the first shift fork and associated gear of the gearbox for boat tractor;
Fig. 4 is a kind of scheme of installation of the second declutch shift shaft, the second shift fork and associated gear of the gearbox for boat tractor;
Fig. 5 is the plan view of the first shift fork and the second shift fork;
Fig. 6 is a kind of layout and the first expansion mode schematic diagram of power input shaft, the first transmission shaft, second driving shaft and pto＝power take-off of the gearbox for boat tractor;
Fig. 7 is a kind of power input shaft, the first transmission shaft, second driving shaft and pto＝power take-off of the gearbox for boat tractor and each gear unfolded drawing according to expansion mode shown in Figure 6;
Fig. 8 is a kind of layout and the second expansion mode schematic diagram of power input shaft, the first transmission shaft, second driving shaft and pto＝power take-off of the gearbox for boat tractor;
Fig. 9 is a kind of power input shaft, the first transmission shaft, second driving shaft and pto＝power take-off of the gearbox for boat tractor and each gear unfolded drawing according to expansion mode shown in Figure 8.
In figure: 1, bolt; 2, case lid; 3, belt pulley or sprocket wheel; 4, the first declutch shift shaft; 5, clutch pulley; 6, speed change lever; 7, the supporting base of speed change lever; 8, the second declutch shift shaft; 9, bearing cap; 10, casing; 11, tapped hole; 12, pto＝power take-off; 13, second driving shaft reverse gear; 14, second driving shaft; 15, oil pump; 16, power input shaft; 17, the first transmission shaft; 18, the second shift fork; 19, the first drive shaft 2nd gear; 20, the first transmission shaft three-range transmission; 21, the first shift fork; 22, one grade of gear of the first transmission shaft; 23, the steel ball hole of self-locking device; 24, pto＝power take-off driving gear; 25, second driving shaft driving gear; 26, power input shaft reverse gear; 27, the first transmission shaft driven gear; 28, power input shaft intermediate gear; 29, power input shaft three-range transmission; 30, one grade of gear of power input shaft.
Embodiment
Below in conjunction with Fig. 1 to Fig. 9, the utility model is described in further detail: a kind of gearbox for boat tractor, comprise casing 10, it is characterized in that: the interior installation power input shaft 16 of described casing 10, the first transmission shaft 17, second driving shaft 14, pto＝power take-off 12, the first declutch shift shaft 4 and the second declutch shift shaft 8; The gear of installing on described power input shaft 16 is respectively power input shaft reverse gear 26, power input shaft intermediate gear 28, power input shaft three-range transmission 29 and one grade of gear 30 of power input shaft from left to right; The gear of installing on described the first transmission shaft 17 is respectively the first transmission shaft driven gear 27, the first drive shaft 2nd gear 19, the first transmission shaft disjunctor gear from left to right, and described the first transmission shaft disjunctor gear forms whole by the first transmission shaft three-range transmission 20 in left side and one grade of gear 22 of the first transmission shaft on right side; The gear of installing on described second driving shaft 14 is respectively second driving shaft driving gear 25 and second driving shaft reverse gear 13 from left to right; Pto＝power take-off driving gear 24 is installed on described pto＝power take-off 12; The first shift fork 21 is installed on described the first declutch shift shaft 4, and the man type pusher dog of described the first shift fork is positioned at the annular groove of the wheel hub of the first transmission shaft disjunctor tooth; The second shift fork 18 is installed on described the second declutch shift shaft 8, and two man type pusher dogs of described the second shift fork 18 lay respectively in the annular groove of wheel hub of the first drive shaft 2nd gear 19 and second driving shaft reverse gear 13; Described the first transmission shaft three-range transmission 20, one grade of gear 22 of the first transmission shaft and the first drive shaft 2nd gear 19 can slide vertically on the first transmission shaft 17, described second driving shaft reverse gear 13 can slide vertically on second driving shaft 14, other gears all can not slide vertically; Described the first declutch shift shaft 4 and the second declutch shift shaft 8 can slide in the axis hole of casing 10; When gearbox is in neutral position, only have the first transmission shaft driven gear 27 and 25 engagements of second driving shaft driving gear, second driving shaft driving gear 25 and 24 engagements of pto＝power take-off driving gear; When stirring the second shift fork 18 the first drive shaft 2nd gear 19 and second driving shaft reverse gear 13 slided to the right, the first drive shaft 2nd gear 19 and 28 engagements of power input shaft intermediate gear, the speed of gearbox output is second gear; When stirring the second shift fork 18 the first drive shaft 2nd gear 19 and second driving shaft reverse gear 13 slided left, second driving shaft reverse gear 13 and 26 engagements of power input shaft reverse gear, the speed of gearbox output is reverse gear; When stirring the first shift fork 21 one grade of gear 22 of the first transmission shaft slided to the right, the first one grade of transmission shaft gear 22 and 30 engagements of one grade of gear of power input shaft, the speed of gearbox output is one grade; When stirring the first shift fork 21 the first transmission shaft three-range transmission 20 slided left, the first transmission shaft three- range transmission 20 and 29 engagements of power input shaft three-range transmission, the speed of gearbox output is third gear; The left end of described pto＝power take-off 12 reaches outside casing 10 and this left end is used for installing belt pulley or sprocket wheel 3; The right-hand member of described power input shaft 16 reaches outside casing 10 and this right-hand member is used for installing clutch pulley 5.
The right-hand member of described pto＝power take-off 12 reaches outside casing 10 and this right-hand member is used for installing belt pulley or sprocket wheel 3.
The left end of described power input shaft 16 reaches outside casing 10 and this left end is used for installing oil pump 15.
The axis of described the first transmission shaft 17, second driving shaft 14 and pto＝power take-off 12 is parallel to each other and be positioned at same horizontal plane.
Described power input shaft 16 is positioned at the below of the first transmission shaft 17 and second driving shaft 14.
The axis of described the first declutch shift shaft 4 and the second declutch shift shaft 8 is parallel to each other and be positioned at same horizontal plane, described the first declutch shift shaft 4 and the second declutch shift shaft 8 are positioned at the top of the first transmission shaft 17 and second driving shaft 14, described the first declutch shift shaft 4 and the second declutch shift shaft 8 the projection on horizontal plane at the first transmission shaft 17 and second driving shaft 14 between the projection on horizontal plane.
In figure, the axis of the first transmission shaft, second driving shaft and pto＝power take-off is in a plane; The axis of these three axles also can be in a plane, but the axis of these three axles must be parallel to each other.The axis of power input shaft is positioned at the below on plane at the axis place of the first transmission shaft and second driving shaft, the axis of power input shaft also can be positioned at the top on plane at the axis place of the first transmission shaft and second driving shaft, and the axis of these three axles is parallel to each other.One grade of gear of power input shaft on power input shaft, power input shaft intermediate gear and power input shaft three-range transmission can be respectively with the first transmission shaft on one grade of gear of the first transmission shaft, the first drive shaft 2nd gear and the engagement of the first transmission shaft three-range transmission, and the power input shaft reverse gear on power input shaft can also with second driving shaft on second driving shaft reverse gear engagement, so power input shaft, the first transmission shaft and second driving shaft are scattered in triangle.Each gear on power input shaft, by axle sleeve and shaft shoulder location, is perhaps only located by axle sleeve.The first transmission shaft and second driving shaft are splined shafts or to have a part at least be splined shaft.On the axle journal of power input shaft, the first transmission shaft, second driving shaft and pto＝power take-off, bearing is installed, each bearing is arranged on the interior axial position of being fixed these four axles by bearing cap of bearing hole of casing again.The first declutch shift shaft and the second declutch shift shaft are arranged in the axis hole of casing, and the axis hole on these two axles and casing is Spielpassung.
The first shift fork is arranged on the first declutch shift shaft by bolt, and the first shift fork is provided with a rectangle groove, and the bottom of speed change lever can enter in this rectangle groove to stir the first shift fork; The second shift fork is arranged on the second declutch shift shaft by bolt, and the second shift fork is provided with a rectangle groove, and the bottom of speed change lever can enter in this rectangle groove to stir the second shift fork.When gearbox is in neutral position, the rectangle groove of the rectangle groove of the first shift fork and the second shift fork is combined into a larger rectangle groove, at this moment the bottom of speed change lever can enter in the rectangle groove of the second shift fork from the rectangle groove of the first shift fork, and perhaps the bottom of speed change lever can enter in the rectangle groove of the first shift fork from the rectangle groove of the second shift fork.
The clutch belt dish is connected with the belt pulley of motor by belt.The clutch belt dish has the function of clutch, in the time of gearbox gear-shift, first uses the engaging and disengaging gear of clutch belt dish to disconnect the power of motor biography to gearbox, then gear shift.
Other parts of gearbox adopt existing technology, and the utility model repeats no more.
Claims (6)
1. gearbox that is used for boat tractor, comprise casing (10), it is characterized in that: power input shaft (16), the first transmission shaft (17), second driving shaft (14), pto＝power take-off (12), the first declutch shift shaft (4) and the second declutch shift shaft (8) are installed in described casing (10); The upper gear of installing of described power input shaft (16) is respectively power input shaft reverse gear (26), power input shaft intermediate gear (28), power input shaft three-range transmission (29) and one grade of gear of power input shaft (30) from left to right; The upper gear of installing of described the first transmission shaft (17) is respectively the first transmission shaft driven gear (27), the first drive shaft 2nd gear (19), the first transmission shaft disjunctor gear from left to right, and described the first transmission shaft disjunctor gear forms whole by the first transmission shaft three-range transmission (20) in left side and one grade of gear of the first transmission shaft (22) on right side; The upper gear of installing of described second driving shaft (14) is respectively second driving shaft driving gear (25) and second driving shaft reverse gear (13) from left to right; The upper pto＝power take-off driving gear (24) of installing of described pto＝power take-off (12); Upper the first shift fork (21) of installing of described the first declutch shift shaft (4), the man type pusher dog of described the first shift fork is positioned at the annular groove of the wheel hub of the first transmission shaft disjunctor tooth; Upper the second shift fork (18) of installing of described the second declutch shift shaft (8), two man type pusher dogs of described the second shift fork (18) lay respectively in the annular groove of wheel hub of the first drive shaft 2nd gear (19) and second driving shaft reverse gear (13); Described the first transmission shaft three-range transmission (20), one grade of gear of the first transmission shaft (22) and the first drive shaft 2nd gear (19) can slide vertically on the first transmission shaft (17), described second driving shaft reverse gear (13) can slide vertically on second driving shaft (14), other gears all can not slide vertically; Described the first declutch shift shaft (4) and the second declutch shift shaft (8) can slide in the axis hole of casing (10); When gearbox is in neutral position, only have the first transmission shaft driven gear (27) and second driving shaft driving gear (25) engagement, second driving shaft driving gear (25) and pto＝power take-off driving gear (24) engagement; Make the first drive shaft 2nd gear (19) and second driving shaft reverse gear (13) while sliding to the right when stirring the second shift fork (18), the first drive shaft 2nd gear (19) and power input shaft intermediate gear (28) engagement, the speed of gearbox output is second gear; Make the first drive shaft 2nd gear (19) and second driving shaft reverse gear (13) while sliding left when stirring the second shift fork (18), second driving shaft reverse gear (13) and power input shaft reverse gear (26) engagement, the speed of gearbox output is reverse gear; Make one grade of gear of the first transmission shaft (22) while sliding to the right when stirring the first shift fork (21), the first one grade of transmission shaft gear (22) and one grade of gear of power input shaft (30) engagement, the speed of gearbox output is one grade; Make the first transmission shaft three-range transmission (20) while sliding left when stirring the first shift fork (21), the first transmission shaft three-range transmission (20) and power input shaft three-range transmission (29) engagement, the speed of gearbox output is third gear; The left end of described pto＝power take-off (12) reaches outside casing (10) and this left end is used for installing belt pulley or sprocket wheel (3); The right-hand member of described power input shaft (16) reaches outside casing (10) and this right-hand member is used for installing clutch pulley (5).
2. a kind of gearbox for boat tractor according to claim 1, it is characterized in that: the right-hand member of described pto＝power take-off (12) reaches outside casing (10) and this right-hand member is used for installing belt pulley or sprocket wheel (3).
3. a kind of gearbox for boat tractor according to claim 1, it is characterized in that: the left end of described power input shaft (16) reaches outside casing (10) and this left end is used for installing oil pump (15).
4. according to claim 1 and 2 or 3 described a kind of gearboxes for boat tractor is characterized in that: the axis of described the first transmission shaft (17), second driving shaft (14) and pto＝power take-off (12) is parallel to each other and be positioned at same horizontal plane.
5. according to claim 1 and 2 or 3 described a kind of gearboxes for boat tractor, it is characterized in that: described power input shaft (16) is positioned at the below of the first transmission shaft (17) and second driving shaft (14).
6. according to claim 1 and 2 or 3 described a kind of gearboxes for boat tractor, it is characterized in that: the axis of described the first declutch shift shaft (4) and the second declutch shift shaft (8) is parallel to each other and be positioned at same horizontal plane, described the first declutch shift shaft (4) and the second declutch shift shaft (8) are positioned at the top of the first transmission shaft (17) and second driving shaft (14), and described the first declutch shift shaft (4) and the second declutch shift shaft (8) are positioned at the first transmission shaft (17) and second driving shaft (14) between the projection on horizontal plane in the projection on horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202322462U CN203285925U (en) | 2013-04-28 | 2013-04-28 | Gearbox used for boat tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202322462U CN203285925U (en) | 2013-04-28 | 2013-04-28 | Gearbox used for boat tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285925U true CN203285925U (en) | 2013-11-13 |
Family
ID=49542288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202322462U Expired - Fee Related CN203285925U (en) | 2013-04-28 | 2013-04-28 | Gearbox used for boat tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108293327A (en) * | 2017-01-20 | 2018-07-20 | 华友天宇科技（武汉)股份有限公司 | A kind of boat tractor transmission system and control method |
| CN111075901A (en) * | 2020-01-19 | 2020-04-28 | 湖北首兴机械股份有限公司 | Stepless speed change transmission mechanism of boat tractor |
| CN111075901B (en) * | 2020-01-19 | 2024-06-04 | 湖北首兴机械股份有限公司 | Stepless speed change transmission mechanism of boat tractor |
-
2013
- 2013-04-28 CN CN2013202322462U patent/CN203285925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108293327A (en) * | 2017-01-20 | 2018-07-20 | 华友天宇科技（武汉)股份有限公司 | A kind of boat tractor transmission system and control method |
| CN111075901A (en) * | 2020-01-19 | 2020-04-28 | 湖北首兴机械股份有限公司 | Stepless speed change transmission mechanism of boat tractor |
| CN111075901B (en) * | 2020-01-19 | 2024-06-04 | 湖北首兴机械股份有限公司 | Stepless speed change transmission mechanism of boat tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20160428 |