A kind of 25 ~ 40 horsepowers of tractor shuttle-type gear Synchromous device of gearbox gearshifts
Technical field
The utility model relates to gear box of tractor technical field, specifically a kind of 25 ~ 40 horsepowers of tractor shuttle-type gear Synchromous device of gearbox gearshifts.
Background technique
At present, domestic 25 ~ 40 horsepowers of tractor shuttle-type gear gearboxes of the prior art generally adopt sliding gear or engaging sleeve gearshift form, there is the phenomenon such as difficulty, abnormal sound of putting into gear in this gearshift form, easy damage spline tooth in the process of putting into gear, after putting into gear easily there is off-gear phenomenon in heavy load operation, affects the normal operation of tractor.In addition, existing tractor ubiquity operation is heavy, and driver is easy to feel tired, causes present user to require more and more higher for the operation comfort of tractor.
Model utility content
Technical assignment of the present utility model is to provide a kind of 25 ~ 40 horsepowers of tractor shuttle-type gear Synchromous device of gearbox gearshifts.
Technical assignment of the present utility model realizes in the following manner, this Synchromous device of gearbox gearshift comprises front case by being tightly connected before and after bolt and rear case, and shuttle capable gear driving shaft, shuttle capable gear jack shaft, an axle, two axles, shuttle capable gear driving shaft and shuttle capable gear jack shaft are arranged in front case, one axle and two axles are arranged in rear case, the axle center of shuttle capable gear driving shaft and an axle is on same straight line, and the axle center of shuttle capable gear jack shaft and two axles is on same straight line;
Described shuttle capable gear driving shaft is provided with shuttle capable gear driving gear and shuttle capable gear driven gear;
Described shuttle capable gear jack shaft is provided with shuttle capable gear driven gear;
A described axle is provided with three gear driving gears, four gear driving gears, two gear driving gears and a gear driving gear;
Two described axles are provided with three gear driven gears, four gear driven gears, two gear driven gears and a gear driven gear.
Shuttle capable gear driving shaft between described shuttle capable gear driving gear and shuttle capable gear driven gear is provided with shuttle capable gear synchromesh gear hub, shuttle capable gear synchronizer gear sleeve is installed outside shuttle capable gear synchromesh gear hub, be provided with between shuttle capable gear synchromesh gear hub and shuttle capable gear synchronizer gear sleeve that shuttle is capable keeps off left ring gear and shuttle is capable keeps off right ring gear, the capable outside keeping off left ring gear of shuttle is provided with that shuttle is capable keeps off left cone, and the capable outside keeping off right ring gear of shuttle is provided with that shuttle is capable keeps off right cone.
Described shuttle capable gear driven gear engages with the capable idle pulley that keeps off of shuttle.
An axle between three described gear driving gears and four gear driving gears is provided with three or four gear synchromesh gear hubs, three or four gear synchronizer gear sleeves are installed outside three or four gear synchromesh gear hubs, three or the four left ring gears of gear and the right ring gear of three or four gear are installed between three or four gear synchromesh gear hubs and three or four gear synchronizer gear sleeves, the outside of the left ring gear of three or four gear is provided with three gear cones, and the outside of the right ring gear of three or four gear is provided with four gear cones; An axle between two gear driving gears and a gear driving gear is provided with one or two gear synchromesh gear hubs, one or two gear synchronizer gear sleeves are installed outside one or two gear synchromesh gear hubs, one or the two left ring gears of gear and the right ring gear of one or two gear are installed between one or two gear synchromesh gear hubs and one or two gear synchronizer gear sleeves, the outside of the left ring gear of one or two gear is provided with two gear cones, and the outside of the right ring gear of one or two gear is provided with a gear cone.
The drive path of this synchronizer gearshift is as follows:
Advance one keeps off: capable capable left ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → mono-or two that keep off of left cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle keep off gear synchronizer gear sleeve → mono-or two, synchromesh gear hub → mono-or two gear right ring gear → mono-gear cone → mono-gear driving gear → mono-gear driven gear → bis-axle → output;
Advance two keeps off: capable capable left ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → mono-or two that keep off of left cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle keep off gear synchronizer gear sleeve → mono-or two, synchromesh gear hub → mono-or two gear left ring gear → bis-gear cone → bis-gear driving gear → bis-gear driven gear → bis-axle → output;
Ahead three gear: capable capable left ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → tri-or four that keep off of left cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle keep off gear synchronizer gear sleeve → tri-or four, synchromesh gear hub → tri-or four gear left ring gear → tri-gear cone → tri-gear driving gear → tri-gear driven gear → bis-axle → output;
Advance four keeps off: capable capable left ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → tri-or four that keep off of left cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle keep off gear synchronizer gear sleeve → tri-or four, synchromesh gear hub → tri-or four gear right ring gear → tetra-gear cone → tetra-gear driving gear → tetra-gear driven gear → bis-axle → output;
Fall back a gear: capable capable right ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → mono-or two that keep off of right cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle capable gear driven gear → shuttle capable gear idle pulley → shuttle capable gear driven gear → shuttle keep off gear synchronizer gear sleeve → mono-or two, synchromesh gear hub → mono-or two gear right ring gear → mono-gear cone → mono-gear driving gear → mono-gear driven gear → bis-axle → output;
Fall back two gears: capable capable right ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → mono-or two that keep off of right cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle capable gear driven gear → shuttle capable gear idle pulley → shuttle capable gear driven gear → shuttle keep off gear synchronizer gear sleeve → mono-or two, synchromesh gear hub → mono-or two gear left ring gear → bis-gear cone → bis-gear driving gear → bis-gear driven gear → bis-axle → output;
Fall back three gears: capable capable right ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → tri-or four that keep off of right cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle capable gear driven gear → shuttle capable gear idle pulley → shuttle capable gear driven gear → shuttle keep off gear synchronizer gear sleeve → tri-or four, synchromesh gear hub → tri-or four gear left ring gear → tri-gear cone → tri-gear driving gear → tri-gear driven gear → bis-axle → output;
Fall back four gears: capable capable right ring gear → shuttle capable gear synchronizer gear sleeve → shuttle capable gear synchromesh gear hub → mono-axle → tri-or four that keep off of right cone → shuttle that keep off of shuttle capable gear driving shaft → shuttle capable gear driving gear → shuttle capable gear driven gear → shuttle capable gear idle pulley → shuttle capable gear driven gear → shuttle keep off gear synchronizer gear sleeve → tri-or four, synchromesh gear hub → tri-or four gear right ring gear → tetra-gear cone → tetra-gear driving gear → tetra-gear driven gear → bis-axle → output.
A kind of 25 ~ 40 horsepowers of tractor shuttle-type gear Synchromous device of gearbox gearshifts of the present utility model compared to the prior art, have reasonable in design, be easy to processing, feature such as operation comfort and convenient etc., do local improvement not changing on former tractor conventional structure basis, the various configurations on same chassis can be realized, be easy to the modularization of product; Reduce the risk that spline damages in conjunction with tooth, improve working life; This is simple for structure, and cost amplification is less, not only on the intrinsic manipulation custom nothing impact of tractor user, and does not affect the mounting structure of slippage tooth, engaging sleeve gearshift type, can realize the various configurations on same chassis.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of 25 ~ 40 horsepowers of tractor shuttle-type gear Synchromous device of gearbox gearshifts.
In figure: 1, front case, 2, shuttle capable gear driving shaft, 3, shuttle capable gear driving gear, 4, shuttle is capable keeps off left cone, 5, shuttle is capable keeps off left ring gear, 6, shuttle capable gear synchronizer gear sleeve, 7, shuttle is capable keeps off right ring gear, 8, shuttle is capable keeps off right cone, 9, shuttle capable gear driven gear, 10, three gear driving gears, 11, three gear cones, 12, the left ring gear of three or four gear, 13, the right ring gear of three or four gear, 14, four gear cones, 15, four gear driving gears, 16, two gear driving gears, 17, two gear cones, 18, the left ring gear of one or two gear, 19, the right ring gear of one or two gear, 20, one gear cone, 21, one gear driving gear, 22, rear case, 23, one gear driven gear, 24, one or two gear synchronizer gear sleeves, 25, one or two gear synchromesh gear hubs, 26, two gear driven gears, 27, four gear driven gears, 28, two axles, 29, three gear driven gears, 30, three or four gear synchronizer gear sleeves, 31, three or four gear synchromesh gear hubs, 32, one axle, 33, shuttle capable gear driven gear, 34, shuttle capable gear synchromesh gear hub, 35, shuttle capable gear jack shaft, 36, shuttle capable gear idle pulley.
Embodiment
Embodiment 1:
This Synchromous device of gearbox gearshift comprises front case 1 by being tightly connected before and after bolt and rear case 22, and shuttle capable gear driving shaft 2, shuttle capable gear jack shaft 35, axle 32, two axle 28, shuttle capable gear driving shaft 2 and shuttle capable gear jack shaft 35 are arranged in front case 1, one axle 32 and two axles 28 are arranged in rear case 22, the axle center of shuttle capable gear driving shaft 2 and an axle 32 is on same straight line, and the axle center of shuttle capable gear jack shaft 35 and two axles 28 is on same straight line; Shuttle capable gear driving shaft 2 is provided with shuttle capable gear driving gear 3 and shuttle capable gear driven gear 9; Shuttle capable gear jack shaft 35 is provided with shuttle capable gear driven gear 33, shuttle capable gear driven gear 33 engages with the capable idle pulley 36 that keeps off of shuttle; One axle 32 is provided with three gear driving gears 10, four and keeps off driving gear 15, two gear driving gear 16 and a gear driving gear 21; Two axles 28 are provided with three gear driven gears 29, four and keep off driven gear 27, two gear driven gear 26 and a gear driven gear 23.
Shuttle capable gear driving shaft 2 between shuttle capable gear driving gear 3 and shuttle capable gear driven gear 9 is provided with shuttle capable gear synchromesh gear hub 34, shuttle capable gear synchronizer gear sleeve 6 is installed outside shuttle capable gear synchromesh gear hub 34, be provided with between shuttle capable gear synchromesh gear hub 34 and shuttle capable gear synchronizer gear sleeve 6 that shuttle is capable keeps off left ring gear 5 and shuttle is capable keeps off right ring gear 7, the capable outside keeping off left ring gear 5 of shuttle is provided with that shuttle is capable keeps off left cone 4, and the capable outside keeping off right ring gear 7 of shuttle is provided with that shuttle is capable keeps off right cone 8.
An axle 32 between three gear driving gears 10 and four gear driving gears 15 is provided with three or four gear synchromesh gear hubs 31, three or four gear synchronizer gear sleeves 30 are installed outside three or four gear synchromesh gear hubs 31, three or four gear synchromesh gear hubs 31 and 34 keep off between synchronizer gear sleeve 30 and are provided with the right ring gear 13 of left ring gear 12 and 34 gear of three or four gear, the outside that three or four outsides keeping off left ring gear 12 are provided with the right ring gear 13 of three gear cones 11,34 gears is provided with four gear cones 14; An axle 32 between two gear driving gears 16 and a gear driving gear 21 is provided with one or two gear synchromesh gear hubs 25, one or two gear synchronizer gear sleeves 24 are installed outside one or two gear synchromesh gear hubs 25, one or two gear synchromesh gear hubs 25 and 1 keep off between synchronizer gear sleeve 24 and are provided with the right ring gear 19 of left ring gear 18 and 1 gear of one or two gear, the outside that one or two outsides keeping off left ring gear 18 are provided with the right ring gear 19 of two gear cones 17,1 gears is provided with a gear cone 20.
Shuttle capable gear driving shaft 2 is passed to an axle 32 provides power to input, one or two gear synchromesh gear hubs 25 are fixed on an axle 32, one gear driving gear 21 freely can rotate and keep off cone 20 be connected with one on an axle 32, the left ring gear 18 of one or two gear keeps off synchronizer gear sleeve 24 by spline and or two and is connected, and one or two gear synchronizer gear sleeves 24 keep off synchromesh gear hub 25 by spline and or two and are connected; Two gear driving gears 16 freely can rotate and keep off cone 17 be connected with two on an axle 32, and one or two keep off right ring gear 19 keeps off synchronizer gear sleeve 24 by spline and or two and be connected, and one or two keep off synchronizer gear sleeves 24 keeps off synchromesh gear hub 25 by spline and or two and be connected; After the conical surface being made by thrust a gear cone 20 and or two keep off left ring gear 18 is combined, namely realize a gear transmission, after the conical surface being made by thrust two gear cones 17 and or two keep off right ring gear 19 is combined, namely realize two gear transmissions.
Shuttle capable gear driving shaft 2 is passed to an axle 32 provides power to input, three or four gear synchromesh gear hubs 31 are fixed on an axle 32, three gear driving gears 10 freely can rotate and keep off cone 11 be connected with three on an axle 32, the left ring gear 12 of three or four gear keeps off synchronizer gear sleeve 30 by spline and three or four and is connected, and three or four gear synchronizer gear sleeves 30 keep off synchromesh gear hub 31 by spline and three or four and are connected; Four gear driving gears 15 freely can rotate and keep off cone 14 be connected with four on an axle 32, and three or four keep off right ring gear 13 keeps off synchronizer gear sleeve 30 by spline and three or four and be connected, and three or four keep off synchronizer gear sleeves 30 keeps off synchromesh gear hub 30 by spline and three or four and be connected; After the conical surface being made by thrust three gear cones 11 and three or four keep off left ring gear 12 is combined, namely realize three gear transmissions, after the conical surface being made by thrust four gear cones 14 and three or four keep off right ring gear 13 is combined, namely realize four gear transmissions.
The drive path of this synchronizer gearshift is as follows:
Advance one keeps off: capable capable left ring gear 5 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 1 gear synchromesh gear hub 25 → 1 gear synchronizer gear sleeve 24 → 1 gear right ring gear 19 → gear cone 20 → gear driving gear 21 → that keeps off of left cone 4 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle keeps off the 28 → output of driven gear 23 → bis-axle;
Advance two keeps off: capable capable left ring gear 5 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 1 gear synchromesh gear hub 25 → 1 gear synchronizer gear sleeve 24 → 1 gear left ring gear 18 → bis-gear cone 17 → bis-gear driving gear 16 → bis-that keeps off of left cone 4 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle keeps off the 28 → output of driven gear 26 → bis-axle;
Ahead three gear: capable capable left ring gear 5 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 34 gear synchromesh gear hub 31 → 34 gear synchronizer gear sleeve 30 → 34 gear left ring gear 12 → tri-gear cone 11 → tri-gear driving gear 10 → tri-that keeps off of left cone 4 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle keeps off the 28 → output of driven gear 29 → bis-axle;
Advance four keeps off: capable capable left ring gear 5 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 34 gear synchromesh gear hub 31 → 34 gear synchronizer gear sleeve 30 → 34 gear right ring gear 13 → tetra-gear cone 14 → tetra-gear driving gear 15 → tetra-that keeps off of left cone 4 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle keeps off the 28 → output of driven gear 27 → bis-axle;
Fall back a gear: capable capable right ring gear 7 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 1 gear synchromesh gear hub 25 → 1 gear synchronizer gear sleeve 24 → 1 gear right ring gear 19 → gear cone 20 → gear driving gear 21 → that keeps off of right cone 8 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle capable gear driven gear 33 → shuttle capable gear idle pulley 36 → shuttle capable gear driven gear 9 → shuttle keeps off the 28 → output of driven gear 23 → bis-axle;
Fall back two gears: capable capable right ring gear 7 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 1 gear synchromesh gear hub 25 → 1 gear synchronizer gear sleeve 24 → 1 gear left ring gear 18 → bis-gear cone 17 → bis-gear driving gear 16 → bis-that keeps off of right cone 8 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle capable gear driven gear 33 → shuttle capable gear idle pulley 36 → shuttle capable gear driven gear 9 → shuttle keeps off the 28 → output of driven gear 26 → bis-axle;
Fall back three gears: capable capable right ring gear 7 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 34 gear synchromesh gear hub 31 → 34 gear synchronizer gear sleeve 30 → 34 gear left ring gear 12 → tri-gear cone 11 → tri-gear driving gear 10 → tri-that keeps off of right cone 8 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle capable gear driven gear 33 → shuttle capable gear idle pulley 36 → shuttle capable gear driven gear 9 → shuttle keeps off the 28 → output of driven gear 29 → bis-axle;
Fall back four gears: capable capable right ring gear 7 → shuttle capable gear synchronizer gear sleeve 6 → shuttle capable gear synchromesh gear hub 34 → axle 32 → 34 gear synchromesh gear hub 31 → 34 gear synchronizer gear sleeve 30 → 34 gear right ring gear 13 → tetra-gear cone 14 → tetra-gear driving gear 15 → tetra-that keeps off of right cone 8 → shuttle that keeps off of shuttle capable gear driving shaft 2 → shuttle capable gear driving gear 3 → shuttle capable gear driven gear 33 → shuttle capable gear idle pulley 36 → shuttle capable gear driven gear 9 → shuttle keeps off the 28 → output of driven gear 27 → bis-axle.
By embodiment above, described those skilled in the art can be easy to realize the utility model.But should be appreciated that the utility model is not limited to above-mentioned several embodiments.On the basis of disclosed mode of execution, described those skilled in the art can the different technical characteristics of combination in any, thus realizes different technological schemes.