CN204284322U - For the power take-off of agricultural equipment - Google Patents
For the power take-off of agricultural equipment Download PDFInfo
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- CN204284322U CN204284322U CN201420714279.5U CN201420714279U CN204284322U CN 204284322 U CN204284322 U CN 204284322U CN 201420714279 U CN201420714279 U CN 201420714279U CN 204284322 U CN204284322 U CN 204284322U
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Abstract
A kind of power take-off for agricultural equipment, include the speed change gear body with the first axle (28), be arranged on the Power output jack shaft (27) for being set with the first axle (28), there is the stepless speed changes devices (6) of output shaft end I and output shaft end II, be arranged on the output shaft end I of stepless speed changes devices (6) and be connected gear (8) with the stepless change between the first axle (28), be arranged on the gear drive between the output shaft end II of stepless speed changes devices (6) and Power output jack shaft (27), gear (8) is connected by stepless change, Power output jack shaft (27) and gear drive connect stepless speed changes devices (6) with speed change gear body, gear (8) is connected by stepless change, Power output jack shaft (27) and gear drive are realizing stepless change to the output shaft on a gear of speed change gear body, different resistances is produced linearly corresponding when the power that agricultural equipment is exported and farm work, therefore improve unfailing performance and the power performance of agricultural equipment.
Description
One, technical field
The utility model relates to a kind of power take-off, especially a kind of power take-off for agricultural equipment.
Two, background technique
Agricultural equipment is mainly used in field and carries out various operation, the power engine of agricultural equipment with just need between traveling gear to use power take-off to connect, therefore the power take-off for agricultural equipment is a kind of agricultural device parts, existing in the power take-off of agricultural equipment, all also use speed change gear that the power engine of agricultural equipment is connected with between traveling gear, and speed change gear is all also realize speed change by carrying out difference engagement between gear, stepless change can not be realized in same gear, thus the power needs of agricultural equipment when farm work can not be met, when producing different resistances when farm work, the power that agricultural equipment is exported can not to produce different resistances during farm work linearly corresponding, the parts of agricultural equipment are produced and damages, stepless change is applied in the technical field of tractor, become the technical barrier of this technology industry.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of power take-off for agricultural equipment, therefore improves unfailing performance and the power performance of agricultural equipment.
For achieving the above object, the technological scheme that the utility model is taked is: include the speed change gear body with the first axle, be arranged on the Power output jack shaft for filling with the first axle sleeve, there is the stepless speed changes devices of output shaft end I and output shaft end II, be arranged on the output shaft end I of stepless speed changes devices and be connected gear with the stepless change between the first axle, be arranged on the gear drive between the output shaft end II of stepless speed changes devices and Power output jack shaft, gear is connected by stepless change, Power output jack shaft and gear drive connect stepless speed changes devices with speed change gear body.
Owing to devising stepless speed changes devices, stepless change connects gear, Power output jack shaft, speed change gear body and gear drive, gear is connected by stepless change, Power output jack shaft and gear drive connect stepless speed changes devices with speed change gear body, a no longer use speed change gear body, on a gear of speed change gear body, gear is connected by stepless change, Power output jack shaft and gear drive are realizing stepless change to the output shaft on a gear of speed change gear body, different resistances is produced linearly corresponding when the power that agricultural equipment is exported and farm work, therefore improve unfailing performance and the power performance of agricultural equipment.
The utility model devises, speed change gear body also includes hollow shaft and the second axle, Power output jack shaft is set to be sleeved on hollow shaft and is set on the first axle and hollow shaft is set to be sleeved on the second axle, hollow shaft is connected with Power output jack shaft by gear train, and hollow shaft is set to divide the formula of nibbling to connect with the second axle.
Owing to devising the first axle, Power output jack shaft, hollow shaft and the second axle, by four axles of suit, achieve the technological scheme that stepless speed changes devices is connected with speed change gear body, solve in the technical field of tractor, infinite variable speed technical barrier can not be realized.
The utility model devises, speed change gear body be set to include power take-off drive shaft, pto＝power take-off, differential assembly, the lazy axle of reverse gear, I-II grade of sliding gear, II grade of driving gear, high and low shift fixed gear, Power output low gear driven gear, Power output high and low shift engaging sleeve, Power output high-grade driven gear, high and low shift sliding gear, reverse gear, gear I, gear II, gear III and gear IV
Gear drive is set to the lazy axle of stepless change, stepless change driving shaft, stepless change driven gear, stepless change idle gear, stepless change driving gear and stepless change engaging sleeve,
Stepless speed changes devices is provided with output shaft end I and output shaft end II and the input shaft end of stepless speed changes devices is set to connect with clutch output shaft, the output shaft end I of stepless speed changes devices is placed through stepless change and connects gear and to connect with the end, one end of the first axle and the output shaft end II of stepless speed changes devices is placed through stepless change engaging sleeve connects with stepless change driving shaft, Power output jack shaft is set to be sleeved on the first axle and Power output jack shaft is set to be connected gear integral type with stepless change connects, the other end end of the first axle is set to connect with power take-off drive shaft, stepless change driving shaft and the second axle are set to the corresponding distribution of the first axle and between stepless change driving shaft and the first axle, are provided with the lazy axle of stepless change, the lazy axle of reverse gear is set to and the corresponding distribution of the second axle, hollow shaft is set to be sleeved on the second axle and the end, one end of the second axle and is placed through turbine device and connects with differential assembly, pto＝power take-off is set to distribution corresponding with power take-off drive shaft and the end, one end of power take-off drive shaft is set to connect with final drive assembly
Stepless change driven gear is arranged on Power output jack shaft, I-II grade of sliding gear, II grade of driving gear and high and low shift fixed gear are arranged on the first axle, Power output low gear driven gear, Power output high and low shift engaging sleeve and the high-grade driven gear of Power output are arranged on pto＝power take-off, high and low shift sliding gear is arranged on the second axle and high and low shift fixed gear connects with high and low shift sliding gear is engagement type, gear I, gear II, gear III and gear IV are arranged on hollow shaft, reverse gear is arranged on the lazy axle of reverse gear, stepless change driving gear is arranged on stepless change driving shaft, stepless change idle gear is arranged on the lazy axle of stepless change and stepless change idle gear is set to connect with stepless change driving gear is engagement type.
In the present embodiment, stepless speed changes devices is provided with hydrostatic transmission and is set to include valve body, variable displacement pump and oil hydraulic motor, the input port of variable displacement pump is placed through and is communicated with hydraulic power with valve body, the output port of variable displacement pump be set to be communicated with the input port of oil hydraulic motor and the output port of oil hydraulic motor by being communicated with hydraulic power with valve body, the flow of variable displacement pump exports control knob and is set to rotate dial switch.
In the present embodiment, connect gear in stepless change and be provided with engaging sleeve between stepless change driven gear and stepless change driven gear is set to connect with stepless change idle gear is engagement type.
In the present embodiment, between I-II grade of sliding gear and II grade of driving gear, be provided with engaging sleeve and I-II grade of sliding gear, II grade of driving gear and high and low shift fixed gear by engaging sleeve and gear I, gear II, gear III and gear IV are engagement type respectively connects.
Technique effect of the present utility model is: stepless change gear is according to job requirements, stepless change is realized in above normal gear interval, former reverse range is constant, stepless change gear mainly applies to farm work, thus makes this stepless change gear be applicable to the requirement of field various agronomy demand speed.First axle of former type is designed to hollow shaft, install Power output jack shaft additional, make the first axle and stepless change driven gear, stepless change connect gear to realize engaging and being separated by seesawing of stepless change engaging sleeve, thus realize the switching of stepless change and normal mechanical shift function; And Power output jack shaft is connected gear with stepless change all the time and often engages, thus realize that power take-off drive shaft keeps with engine speed in shift function change consistent.The HST hydrostatic transmission that this type tractor mainly uses Li Yuan hydraulic pressure Co., Ltd of Air China to produce realizes infinite variable speed requirement.In rotating speed one timing of input shaft, the rotating speed of output shaft is only by the control of variable displacement pump output flow, and variable displacement pump output flow is by the control of variable displacement pump swash plate angle, therefore stepless speed regulation can be realized namely to output shaft by operation angle scale Joystick manual tune variable displacement pump swash plate angle: when input speed is: when 2300r/min is constant, output speed can arbitrarily be regulated to: 02300r/min.Consideration job requirements, has now carried out restriction requirement to output speed and output speed regulation range is 10002300r/min.This structure tractor type, had both remained the mechanical gear of tractor, had turn increased stepless speed changing mechanism, and corresponding gear span strengthens.Originally mechanical gear is: reverse gear in totally 8 forward gearss 2 in (4+1) × 2.Present gear is: (2+2+1) × 2 are totally 8 forward gearss wherein 4 normal mechanical gears, 4 stepless change gears, and 2 reverse gear.Present Domestic tractor drive technology mostly uses the conventional gearbox under mechanical changeover mode, only have minority enterprise researching and developing load gearshift (power gear shifting) gearbox, and molding product is few, technology is immature.And the tractor of developed country generally have employed load gearshift in the world, and have and also come out compared with the variable transmission system of high technology content.For self-technique feature, connected applications actual requirement.My company have developed the infinitely variable transmission under original traditional mechanical changeover mode.Achieve the stepless change application of domestic tractor first.The switchover apparatus of design had both achieved tractor tradition mechanical type gearshift mode, and the stepless change achieved again in mechanical speed change gear regulates.Consider the actual service condition of tractor, use traditional mechanical gear, speed when meeting hauling operation, the requirement of tractive force, use the stepless change under mechanical gear to regulate, meet speed, the power demand under the various agronomy of farm work.For farm work, the while of needing to use infinite variable speed, prevent the cut-out of power output shaft speed during Power output, ensure that power output shaft speed is consistent with motor all the time, designing 28 first axles is that 27 Power output jack shafts inside hollow shaft are held with the A of HTS hydrostatic transmission and often engaged, because it is coaxial and be directly connected with motor that the A end of HST and C holds, machinery shelves and stepless change gear switch are only carried out on 28 first axles, thus realize pto＝power take-off maintenance and engine speed consistent in shift function change.Ensure that this stepless change gear is applicable to the requirement of field various agronomy demand speed, also meet the requirement of the Power output operation under the state of field simultaneously.
In the technical program, realize the infinite variable speed stepless speed changes devices of a gear, stepless change connection gear, Power output jack shaft, speed change gear body and gear drive are important technical characteristics, in the technical field of the power take-off for agricultural equipment, have novelty, creativeness and practicability, the term in the technical program is all to make an explanation with patent documentation in the art and to understand.
Four, accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 to be schematic diagram of the present utility model: Fig. 2 be stepless speed changes devices 6:
Fig. 3 is the structural representation between A-A and the B-B in Fig. 1.
Five, embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is an embodiment of the present utility model, illustrate the present embodiment by reference to the accompanying drawings, include stepless speed changes devices 6, power take-off drive shaft 19, pto＝power take-off 22, differential assembly 26, Power output jack shaft 27, first axle 28, hollow shaft 30, second axle 31, the lazy axle of reverse gear 33, the lazy axle 34 of stepless change, stepless change driving shaft 37,
Stepless change connects gear 8, stepless change driven gear 11, I-II grade of sliding gear 14, II grade of driving gear 15, high and low shift fixed gear 16, Power output low gear driven gear 21, Power output high and low shift engaging sleeve 23, Power output high-grade driven gear 24, high and low shift sliding gear 29, reverse gear 32, stepless change idle gear 35, stepless change driving gear 36, stepless change engaging sleeve 38, gear I 1, gear II 2, gear III 3 and gear IV 4
Stepless speed changes devices 6 is provided with output shaft end I and output shaft end II and the input shaft end of stepless speed changes devices 6 is set to connect with clutch output shaft, the output shaft end I of stepless speed changes devices 6 is placed through stepless change and connects gear 8 and to connect with the end, one end of the first axle 28 and the output shaft end II of stepless speed changes devices 6 is placed through stepless change engaging sleeve 38 connects with stepless change driving shaft 37, Power output jack shaft 27 is set to be sleeved on the first axle 28 and Power output jack shaft 27 is set to be connected gear 8 integral type with stepless change connects, the other end end of the first axle 28 is set to connect with power take-off drive shaft 19, stepless change driving shaft 37 and the second axle 31 are set to the corresponding distribution of the first axle 28 and are provided with the lazy axle 34 of stepless change between stepless change driving shafts 37 and the first axle 28, the lazy axle of reverse gear 33 is set to and the corresponding distribution of the second axle 31, hollow shaft 30 is set to be sleeved on the second axle 31 and end, one end of the second axle 31 and is placed through turbine device and connects with differential assembly 26, pto＝power take-off 22 is set to distribution corresponding with power take-off drive shaft 19 and the end, one end of power take-off drive shaft 19 is set to connect with final drive assembly
Stepless change driven gear 11 is arranged on Power output jack shaft 27, I-II grade of sliding gear 14, II grade of driving gear 15 and high and low shift fixed gear 16 are arranged on the first axle 28, Power output low gear driven gear 21, Power output high and low shift engaging sleeve 23 and the high-grade driven gear 24 of Power output are arranged on pto＝power take-off 22, high and low shift sliding gear 29 is arranged on the second axle 31 and high and low shift fixed gear 16 connects with high and low shift sliding gear 29 is engagement type, gear I 1, gear II 2, gear III 3 and gear IV 4 are arranged on hollow shaft 30, reverse gear 32 is arranged on the lazy axle 33 of reverse gear, stepless change driving gear 36 is arranged on stepless change driving shaft 37, stepless change idle gear 35 is arranged on the lazy axle of stepless change 34 and stepless change idle gear 35 is set to connect with stepless change driving gear 36 is engagement type.
In the present embodiment, stepless speed changes devices 6 is provided with hydrostatic transmission and is set to include valve body 61, variable displacement pump 62 and oil hydraulic motor 63, the input port of variable displacement pump 62 is placed through and is communicated with hydraulic power with valve body 61, the output port of variable displacement pump 62 be set to be communicated with the input port of oil hydraulic motor 63 and the output port of oil hydraulic motor 63 by being communicated with hydraulic power with valve body 61, the flow of variable displacement pump 62 exports control knob and is set to rotate dial switch.
Hydrostatic transmission is made up of variable displacement pump part, motor portion, slippage pump and valve assembly.Slippage pump outlet is communicated with valve seat by external pipeline, after entering valve seat, flows through one-way valve entering variable pump low-pressure cavity, provides back pressure for variable displacement pump repairing from the fluid of slippage pump discharge.Variable displacement pump inlet/outlet goes out with motor respectively, import is through, in valve seat, form closed circuit.Because motor swashplate angle is non-adjustable, in rotating speed one timing of input shaft, the rotating speed of output shaft is only by the control of variable displacement pump output flow, and variable displacement pump output flow is by the control of variable displacement pump swash plate angle, therefore stepless time adjustment can be realized to output shaft by operating grip manual tune variable displacement pump swash plate angle.It has the features such as compact structure, volume are little, lightweight, high efficiency, long lifetime, low noise.Be liquid collecting press pump, motor in one, be hydraulic energy by variable displacement pump part by changes mechanical energy, hydraulic energy transfer is the transmission device of mechanical energy again by fluid motor section.
In the present embodiment, connect gear 8 in stepless change and be provided with engaging sleeve between stepless change driven gear 11 and stepless change driven gear 11 is set to connect with stepless change idle gear 35 is engagement type.
In the present embodiment, between I-II grade of sliding gear 14 and II grade of driving gear 15, be provided with engaging sleeve and I-II grade of sliding gear, 14, II grade of driving gear 15 and high and low shift fixed gear 16 by engaging sleeve and gear I 1, gear II 2, gear III 3 and gear IV 4 are engagement type respectively connects.
When normal gear, low I grade: to stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle shift into low gear, high and low shift sliding gear 29 is engaged with high and low shift fixed gear 16 backward, stir main shift and hang up I grade, I-II grade of sliding gear 14 is engaged with the gear I 1 of hollow shaft 30 forward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, the output shaft end I of stepless speed changes devices 6 drives stepless change connection gear 8 to drive the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to hollow shaft 30 gear I 1, and then drive hollow shaft 30 to rotate, power is passed to high and low shift fixed gear 16 by the gear III 3 on hollow shaft 30, high and low shift sliding gear 29 is driven to rotate by high and low shift fixed gear 16, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize low I grade of operation of tractor.
Low II grade: to stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle shift into low gear, high and low shift sliding gear 29 is engaged with high and low shift fixed gear 16 backward, stir main shift and hang up II grade, I-II grade of sliding gear 14 is engaged with hollow shaft 30 gear II 2 backward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to the gear II 2 of hollow shaft 30, and then drive hollow shaft 30 to rotate, power is passed to high and low shift fixed gear 16 by the gear III 3 on hollow shaft 30, high and low shift sliding gear 29 is driven to rotate by high and low shift fixed gear 16, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize low II grade of operation of tractor.
High I grade: to stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle and hang up top grade, high and low shift sliding gear 29 is engaged with the gear IV 4 on hollow shaft 30 forward, stir main shift and hang up I grade, I-II grade of sliding gear 14 is engaged with hollow shaft 30 gear I 1 forward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, the gear I 1 rotarily driven on hollow shaft 30 by I-II grade of sliding gear 14 is rotated, and then drive hollow shaft 30 to rotate, hollow shaft 30 rotates, the gear IV 4 on hollow shaft 30 is made directly to drive high and low shift sliding gear 29 to rotate, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize high I grade of operation of tractor.
High II grade: to stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle and hang up top grade, high and low shift sliding gear 29 is engaged with the gear IV 4 on hollow shaft 30 forward, stir main shift and hang up II grade, I-II grade of sliding gear 14 is engaged with hollow shaft 30 gear II 2 backward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 rotarily drive on hollow shaft 30 gear II 2 rotate, and then drive hollow shaft 30 to rotate, hollow shaft 30 rotates, the gear IV 4 on hollow shaft 30 is made directly to drive high and low shift sliding gear 29 to rotate, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize high II grade of operation of tractor.
Fall I grade: stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle, shift into low gear, high and low shift sliding gear 29 is engaged with high and low shift fixed gear 16 backward, stir main shift and hang up reverse gear, reverse gear 32 is engaged with hollow shaft 30 gear I 1 forward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to reverse gear 32, reverse gear 32 is driven to rotate, reverse gear 32 rotarily drives the counterrotating of hollow shaft 30 gear I 1, the counterrotating of hollow shaft 30 gear I 1 drives hollow shaft 30 counterrotating, make the gear III 3 on hollow shaft 30 that power is passed to high and low shift fixed gear 16, high and low shift sliding gear 29 counterrotating is driven by high and low shift fixed gear 16, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize I grade of operation of falling of tractor.
Fall II grade: stir stepless change handle backward and hang up normal gear, make stepless change engaging sleeve be connected forward gear 8 with stepless change to engage, stir secondary speed-changing operating handle, hang up top grade, high and low shift sliding gear 29 is engaged with the gear IV 4 on hollow shaft 30 forward, stir main shift and hang up reverse gear, reverse gear 32 is engaged with hollow shaft 30 gear I 1 backward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to reverse gear 32, reverse gear 32 is driven to rotate, reverse gear 32 rotarily drives the counterrotating of hollow shaft 30 gear I 1, the counterrotating of hollow shaft 30 gear I 1 drives hollow shaft 30 counterrotating, the gear IV 4 on hollow shaft 30 is made directly to drive the counterrotating of high and low shift sliding gear 29, high and low shift sliding gear 29 counterrotating drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, realize II grade of operation of falling of tractor.
Stepless change is low I grade: stir forward stepless change handle and hang up stepless change gear, stepless change engaging sleeve is engaged with stepless change driven gear 11 backward, stir secondary speed-changing operating handle, shift into low gear, high and low shift sliding gear 29 is engaged with high and low shift fixed gear 16 backward, stir main shift and hang up I grade, I-II grade of sliding gear 14 is engaged with hollow shaft 30 gear I 1 forward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, stepless change driving shaft 37 is driven to rotate by the output shaft end II of stepless speed changes devices 6, stepless change driving shaft 37 rotarily drives stepless change driving gear 36 and rotates, stepless change driving gear 36 drives the stepless change idle gear 35 on the lazy axle 34 of stepless change to rotate, stepless change idle gear 35 rotarily drives stepless change driven gear 11 and rotates, stepless change driven gear 11 rotarily drives stepless change and connects gear 8, driving stepless change to connect gear 8 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to the gear I 1 on hollow shaft 30, hollow shaft 30 is driven to rotate, hollow shaft 30 rotates, make the gear III 3 on hollow shaft 30 that power is passed to high and low shift fixed gear 16, high and low shift sliding gear 29 is driven to rotate by high and low shift fixed gear 16, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, the low I grade of operation of stepless change of tractor is realized by operation angle scale Joystick manual tune variable displacement pump swash plate angle.
Stepless change is low II grade: stir forward stepless change handle and hang up stepless change gear, stepless change engaging sleeve is engaged with stepless change driven gear 11 backward, stir secondary speed-changing operating handle, shift into low gear, high and low shift sliding gear 29 is engaged with high and low shift fixed gear 16 backward, stir main shift and hang up II grade, I-II grade of sliding gear 14 is engaged with the gear II 2 on hollow shaft 30 backward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, stepless change driving shaft 37 is driven to rotate by the output shaft end II of stepless speed changes devices 6, stepless change driving shaft 37 rotarily drives stepless change driving gear 36 and rotates, stepless change driving gear 36 drives the stepless change idle gear 35 on the lazy axle 34 of stepless change to rotate, stepless change idle gear 35 rotarily drives stepless change driven gear 11 and rotates, stepless change driven gear 11 rotarily drives stepless change and connects gear 8, driving stepless change to connect gear 8 drives the first axle 28 to rotate, first axle 28 be rotated through I-II grade of sliding gear 14 drive on hollow shaft 30 gear II 2 rotate, hollow shaft 30 is driven to rotate, make the gear III 3 on hollow shaft 30 that power is passed to high and low shift fixed gear 16, high and low shift sliding gear 29 is driven to rotate by high and low shift fixed gear 16, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, the low II grade of operation of stepless change of tractor is realized by operation angle scale Joystick manual tune variable displacement pump swash plate angle.
Stepless change is high I grade: stir forward stepless change handle and hang up stepless change gear, stepless change engaging sleeve is engaged with stepless change driven gear 11 backward, stir secondary speed-changing operating handle, hang up top grade, high and low shift sliding gear 29 is engaged with the gear IV 4 on hollow shaft 30 forward, stir main shift and hang up I grade, I-II grade of sliding gear 14 is engaged with hollow shaft 30 gear I 1 forward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, stepless change driving shaft 37 is driven to rotate by the output shaft end II of stepless speed changes devices 6, stepless change driving shaft 37 rotarily drives stepless change driving gear 36 and rotates, stepless change driving gear 36 drives the stepless change idle gear 35 on the lazy axle 34 of stepless change to rotate, stepless change idle gear 35 rotarily drives stepless change driven gear 11 and rotates, stepless change driven gear 11 rotarily drives stepless change and connects gear 8, driving stepless change to connect gear 8 drives the first axle 28 to rotate, first axle 28 rotarily drives I-II grade of sliding gear 14 and rotates, by I-II grade of sliding gear 14 by transmission of power to hollow shaft 30 gear I 1, hollow shaft 30 gear I 1 drives hollow shaft 30 to rotate, the gear IV 4 on hollow shaft 30 is made directly to drive high and low shift sliding gear 29 to rotate, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, the high I grade of operation of stepless change of tractor is realized by operation angle scale Joystick manual tune variable displacement pump swash plate angle.
Stepless change is high II grade: stir forward stepless change handle and hang up stepless change gear, stepless change engaging sleeve is engaged with stepless change driven gear 11 backward, stir secondary speed-changing operating handle, hang up top grade, high and low shift sliding gear 29 is engaged with the gear IV 4 on hollow shaft 30 forward, stir main shift and hang up II grade, I-II grade of sliding gear 14 is engaged with the gear II 2 on 1 hollow shaft 30 backward.Clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, driving stepless change to connect gear 8 by the output shaft end I of stepless speed changes devices 6 drives the first axle 28 to rotate, clutch shaft is driven to rotate during engine rotation, stepless change coupling shaft is driven by transmission of power to the input shaft end of stepless speed changes devices 6 by clutch shaft, stepless change driving shaft 37 is driven to rotate by the output shaft end II of stepless speed changes devices 6, stepless change driving shaft 37 rotarily drives stepless change driving gear 36 and rotates, stepless change driving gear 36 drives the stepless change idle gear 35 on the lazy axle 34 of stepless change to rotate, stepless change idle gear 35 rotarily drives stepless change driven gear 11 and rotates, stepless change driven gear 11 rotarily drives stepless change and connects gear 8, driving stepless change to connect gear 8 drives the first axle 28 to rotate, first axle 28 be rotated through I-II grade of sliding gear 14 drive on hollow shaft 30 gear II 2 rotate, by on hollow shaft 30 gear II 2 drive hollow shaft 30 rotate, the gear IV 4 on hollow shaft 30 is made directly to drive high and low shift sliding gear 29 to rotate, high and low shift sliding gear 29 rotarily drives the second axle 31 then by the large conical gear on the small conical gear drive differential mechanism of the second axle 31 right-hand member, drive differential mechanism transmission of power to live axle thus drive driving wheel rotate, the high II grade of operation of stepless change of tractor is realized by operation angle scale Joystick manual tune variable displacement pump swash plate angle.
The utility model has lower feature:
1, owing to devising stepless speed changes devices 6, stepless change connects gear 8, Power output jack shaft 27, speed change gear body and gear drive, gear 8 is connected by stepless change, Power output jack shaft 27 and gear drive connect stepless speed changes devices 6 with speed change gear body, a no longer use speed change gear body, on a gear of speed change gear body, gear 8 is connected by stepless change, Power output jack shaft 27 and gear drive are realizing stepless change to the output shaft on a gear of speed change gear body, different resistances is produced linearly corresponding when the power that agricultural equipment is exported and farm work, therefore improve unfailing performance and the power performance of agricultural equipment.
2, gear 8, Power output jack shaft 27 and gear drive is connected owing to devising stepless change, stepless speed changes devices 6 is connected with speed change gear body, when realizing the gear change of speed change gear body, stepless change is achieved to each gear, is applicable to the farm work of various situation.
3, owing to devising the lazy axle 34 of stepless change, stepless change driving shaft 37, stepless change driven gear 11, stepless change idle gear 35, stepless change driving gear 36 and stepless change engaging sleeve 38, by gear transmission, improve the compact of transmission performance and structure.
4, owing to devising technical characteristics of the present utility model, in the effect of the set separately and each other of technical characteristics, by test show, property indices of the present utility model be existing property indices be at least 1.7 times, by assessment there is good market value.
Also have other with the infinite variable speed stepless speed changes devices 6 realizing a gear, stepless change connects gear 8, Power output jack shaft 27, the technical characteristics that speed change gear body and gear drive connect is all one of embodiment of the present utility model, therefore in the power take-off technical field of agricultural equipment, everyly include the speed change gear body with the first axle 28, be arranged on the Power output jack shaft 27 for being set with the first axle 28, there is the stepless speed changes devices 6 of output shaft end I and output shaft end II, be arranged on the output shaft end I of stepless speed changes devices 6 and be connected gear 8 with the stepless change between the first axle 28, be arranged on the gear drive between the output shaft end II of stepless speed changes devices 6 and Power output jack shaft 27, gear 8 is connected by stepless change, Power output jack shaft 27 and gear drive connect stepless speed changes devices 6 technology contents with speed change gear body is all in protection domain of the present utility model.
Claims (6)
1. the power take-off for agricultural equipment, it is characterized in that: include the speed change gear body with the first axle (28), be arranged on the Power output jack shaft (27) for being set with the first axle (28), there is the stepless speed changes devices (6) of output shaft end I and output shaft end II, be arranged on the output shaft end I of stepless speed changes devices (6) and be connected gear (8) with the stepless change between the first axle (28), be arranged on the gear drive between the output shaft end II of stepless speed changes devices (6) and Power output jack shaft (27), gear (8) is connected by stepless change, Power output jack shaft (27) and gear drive connect stepless speed changes devices (6) with speed change gear body.
2. the power take-off for agricultural equipment according to claim 1; It is characterized in that: speed change gear body also includes hollow shaft (30) and the second axle (31), Power output jack shaft (27) is set to be sleeved on hollow shaft (3) and is set to the upper and hollow shaft (30) of the first axle (28) and is set to be sleeved on the second axle (31), hollow shaft (30) is connected with Power output jack shaft (27) by gear train, and hollow shaft (30) is set to connect with the second axle (31) point formula of nibbling.
3. the power take-off for agricultural equipment according to claim 2, it is characterized in that: speed change gear body is set to include power take-off drive shaft (19), pto＝power take-off (22), differential assembly (26), first axle (28), hollow shaft (30), second axle (31), the lazy axle of reverse gear (33), I-II grade of sliding gear (14), II grade of driving gear (15), high and low shift fixed gear (16), Power output low gear driven gear (21), Power output high and low shift engaging sleeve (23), the high-grade driven gear (24) of Power output, high and low shift sliding gear (29), reverse gear (32), gear I (1), gear II (2), gear III (3) and gear IV (4), gear drive is set to the lazy axle of stepless change (34), stepless change driving shaft (37), stepless change driven gear (11), stepless change idle gear (35), stepless change driving gear (36) and stepless change engaging sleeve (38), stepless speed changes devices (6) is provided with output shaft end I and output shaft end II and the input shaft end of stepless speed changes devices (6) is set to connect with clutch output shaft, the output shaft end I of stepless speed changes devices (6) is placed through stepless change and connects gear (8) and to connect with the end, one end of the first axle (28) and the output shaft end II of stepless speed changes devices (6) is placed through stepless change engaging sleeve (38) connects with stepless change driving shaft (37), Power output jack shaft (27) is set to be sleeved on that the first axle (28) is upper and Power output jack shaft (27) is set to be connected gear (8) integral type with stepless change connects, the other end end of the first axle (28) is set to connect with power take-off drive shaft (19), stepless change driving shaft (37) and the second axle (31) are set to the first axle (28) corresponding distribution and are provided with the lazy axle of stepless change (34) between stepless change driving shaft (37) and the first axles (28), the lazy axle of reverse gear (33) is set to and the second axle (31) corresponding distribution, hollow shaft (30) is set to be sleeved on that the second axle (31) is upper and the end, one end of the second axle (31) is placed through turbine device connects with differential assembly (26), pto＝power take-off (22) is set to power take-off drive shaft (19) corresponding distribution and the end, one end of power take-off drive shaft (19) is set to connect with final drive assembly, stepless change driven gear (11) is arranged on Power output jack shaft (27), I-II grade of sliding gear (14), II grade of driving gear (15) and high and low shift fixed gear (16) are arranged on the first axle (28), Power output low gear driven gear (21), Power output high and low shift engaging sleeve (23) and the high-grade driven gear (24) of Power output are arranged on pto＝power take-off (22), high and low shift sliding gear (29) is arranged on the upper and high and low shift fixed gear (16) of the second axle (31) and connects with high and low shift sliding gear (29) is engagement type, gear I (1), gear II (2), gear III (3) and gear IV (4) are arranged on hollow shaft (30), reverse gear (32) is arranged on the lazy axle of reverse gear (33), stepless change driving gear (36) is arranged on stepless change driving shaft (37), stepless change idle gear (35) is arranged on the upper and stepless change idle gear (35) of the lazy axle of stepless change (34) and is set to connect with stepless change driving gear (36) is engagement type.
4. the power take-off for agricultural equipment according to claim 3, it is characterized in that: on stepless speed changes devices (6), be provided with hydrostatic transmission and be set to include valve body (61), variable displacement pump (62) and oil hydraulic motor (63), the input port of variable displacement pump (62) is placed through and is communicated with hydraulic power with valve body (61), the output port of variable displacement pump (62) be set to be communicated with the input port of oil hydraulic motor (63) and the output port of oil hydraulic motor (63) by being communicated with hydraulic power with valve body (61), the flow of variable displacement pump (62) exports control knob and is set to rotate dial switch.
5. the power take-off for agricultural equipment according to claim 3; It is characterized in that: connect gear (8) in stepless change and be provided with engaging sleeve between stepless change driven gear (11) and stepless change driven gear (11) is set to connect with stepless change idle gear (35) is engagement type.
6. the power take-off for agricultural equipment according to claim 3; It is characterized in that: between I-II grade of sliding gear (14) and II grade of driving gear (15), be provided with engaging sleeve and I-II grade of sliding gear (14), II grade of driving gear (15) and high and low shift fixed gear (16) by engaging sleeve and gear I (1), gear II (2), gear III (3) and gear IV (4) are engagement type respectively connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714279.5U CN204284322U (en) | 2014-11-25 | 2014-11-25 | For the power take-off of agricultural equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714279.5U CN204284322U (en) | 2014-11-25 | 2014-11-25 | For the power take-off of agricultural equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204284322U true CN204284322U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420714279.5U Active CN204284322U (en) | 2014-11-25 | 2014-11-25 | For the power take-off of agricultural equipment |
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| Country | Link |
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| CN (1) | CN204284322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482133A (en) * | 2014-11-25 | 2015-04-01 | 刘斌 | Power output device for agricultural equipment |
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2014
- 2014-11-25 CN CN201420714279.5U patent/CN204284322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482133A (en) * | 2014-11-25 | 2015-04-01 | 刘斌 | Power output device for agricultural equipment |
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