CN202914667U - Agricultural machinery speed changing box with stepless speed change and step speed change combined - Google Patents
Agricultural machinery speed changing box with stepless speed change and step speed change combined Download PDFInfo
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- CN202914667U CN202914667U CN 201220623356 CN201220623356U CN202914667U CN 202914667 U CN202914667 U CN 202914667U CN 201220623356 CN201220623356 CN 201220623356 CN 201220623356 U CN201220623356 U CN 201220623356U CN 202914667 U CN202914667 U CN 202914667U
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Abstract
The utility model discloses an agricultural machinery speed changing box with stepless speed change and step speed change combined. The agricultural machinery speed changing box with the stepless speed change and the step speed change combined comprises a main speed changing box, a hydraulic stepless transmission (HST) speed changing box and a mechanical auxiliary speed changing box, wherein the main speed changing box is used for dividing power into two parts including a walking part and an operation part. An input shaft of a hydraulic oil pump and two power input shafts are arranged on the main speed changing box. When the HST speed changing box is combined with the main speed changing box, a power output shaft of an HST hydraulic oil pump is connected with the input shaft of the hydraulic oil pump of the main speed changing box, and a power output shaft of the HST speed changing box is in shaft connection with the power input shaft III of the main speed changing box. When the mechanical auxiliary speed changing box is combined with the main speed changing box, a power output shaft of a hydraulic oil pump of the mechanical auxiliary speed changing box is in connection with the input shaft of the hydraulic oil pump of the main speed changing box, a power output shaft of the mechanical auxiliary speed changing box is in shaft connection with the power input shaft IV of the main speed changing box, so that a mechanical step speed changing box is formed. Through the agricultural machinery speed changing box with the stepless speed change and the step speed change combined, when enterprises carry out production adjustment on step speed changing boxes and stepless speed changing boxes, change of tool equipment is small, production organization is convenient, and cost is low.
Description
Technical field
The utility model relates to rice planting machine, particularly a kind of stepless agricultural machinery gearbox with two kinds of gear shift modes of level combination are arranged.
Background technique
Transplanter is the important machinery of Rice Cropping, principle according to speed change is different, there are three kinds of gear shift modes on riding type four-wheel drive transplanter chassis, hydrostatic stepless speed change type (HST), hydraulic mechanical type stepless speed change type (HMT) and mechanical speed change formula (hand gear formula).Front two kinds of hydraulic-gears can form stepless speed regulation, and the structure of complete machine is relatively simple, easy to operate, and still, its mechanical efficiency is low than mechanical gear box, and price is higher.The mechanical gearbox mechanical efficiency is higher, price is lower, and still, its operation is complicated.Because the price of mechanical gearbox and the advantage of mechanical efficiency still are subject to many peasants' welcome in the rural area.At present, transplanter gearbox or the hydraulic speed-changing of plant produced, or mechanical speed change, both structure differences are very large, produce two kinds of gearboxes, need to drop into a large amount of tooling devices, so factory can only produce a kind of, affected the production of mechanical gear box.In addition, the transplanter mechanical gearbox structure in past is too complicated, and maintenance is inconvenient.For this reason, need on the market a kind of can be according to user's needs, the hydraulic pressure of modular construction and mechanical type speed change gear.Namely on the basis of mechanical gearbox, can according to user's needs, simply be deformed into hydrostatic infinitely variable transmission (HST).
The model utility content
The purpose of this utility model is for the deficiencies in the prior art, and a kind of stepless agricultural machinery gearbox that makes up with step change is provided.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of stepless agricultural machinery gearbox that makes up with step change comprises main-gear box, HST gearbox and mechanical auxiliary transmission; Wherein, main-gear box comprises transplanting output gear, I axle, II axle small gear, II axle, III shaftgear, hydraulic gear pump, III axle, IV axle fixed gear, IV axle, IV axle shifting slide gear small gear, IV axle shifting slide gear, IV axle shifting slide gear gearwheel, V axle, brake, V axle gearwheel, V axle middle gear, VI axle, VI axle gearwheel, differential mechanism, main-gear box body, V axle small gear, hydraulic oil pump shaft and II axle gearwheel; Be fixedly connected with the transplanting output gear on the I axle, be fixedly connected with II axle gearwheel and II axle small gear on the II axle, be fixedly connected with the III shaftgear on the III axle, be fixedly connected with IV axle fixed gear and spline joint IV axle shifting slide gear on the IV axle, be fixedly connected with V axle gearwheel, V axle middle gear and V axle small gear on the V axle, moving plate and the V axle spline joint of brake, the stator of brake is fixedly connected with the main-gear box body, connect VI axle gearwheel on the VI axle, VI axle gearwheel is fixedly connected with differential mechanism, and I axle ~ VI axle is installed in the main-gear box body; The HST gearbox has HST hydraulic-pressure pump pto＝power take-off, HST power input shaft and HST pto＝power take-off; The machinery auxiliary transmission comprises: shifting slide gear gearwheel, belt wheel, secondary I axle, friction clutch, cannon pinion A, hollow shaft, cannon pinion B, cannon pinion C, reverse gear transition gear, cannon pinion D and reverse gear transition gear axle before shifting slide gear, secondary II axle, the secondary II axle before shifting slide gear small gear, the secondary II axle before shifting slide gear gearwheel behind shifting slide gear, the secondary II axle, the secondary II axle behind shifting slide gear small gear, the secondary II axle behind mechanical auxiliary transmission body, the secondary II axle; Shifting slide gear before shifting slide gear and the secondary II axle behind the secondary II axle upper spline auxiliary connection II axle of machinery auxiliary transmission, be fixedly connected with behind the secondary II axle shifting slide gear gearwheel behind the shifting slide gear small gear and secondary II axle behind the secondary II axle on the shifting slide gear, be fixedly connected with before the secondary II axle shifting slide gear gearwheel before the shifting slide gear small gear and secondary II axle before the secondary II axle on the shifting slide gear; Cover has hollow shaft on the secondary I axle, be fixedly connected with cannon pinion A, cannon pinion B, cannon pinion C and cannon pinion D on the hollow shaft, be fixedly connected with the reverse gear transition gear on the reverse gear transition gear axle, cannon pinion D and reverse gear transition gear are in normal engagement, belt wheel is fixedly connected on the left end of secondary I axle, the rotating plate of friction clutch and secondary I axle spline joint, the driven plate of friction clutch and hollow shaft spline joint; Main-gear box is connected with the HST gearbox, and perhaps main-gear box links to each other with mechanical auxiliary transmission.
The utility model is compared with background technique, and the beneficial effect that has is:
1, a main-gear box is set on the machine, the deceleration of finishing the large speed ratio of transplanting speed change and running gear increases to be turned round, and when the HST gearbox is connected with main-gear box, consists of take the HST speed change as main infinitely variable transmission; When mechanical auxiliary transmission is connected with main-gear box, consist of the mechanical gear box that level is arranged;
2, the main-gear box of machine is born main deceleration and the transplanting speed change of running gear, can so that mechanical auxiliary transmission structure greatly simplify;
3, the HST gearbox is used respectively different main-gear box power input interfaces with mechanical auxiliary transmission, and the interface of 3 external connection power devices is namely arranged on the main-gear box, can so that the manufacturing of mechanical auxiliary transmission ratio is easier to, reduce the volume of mechanical auxiliary transmission.
4, concerning the enterprise that produces the transplanter gearbox, main-gear box, HST gearbox and mechanical auxiliary transmission adopt modular design to greatly reduce manufacture cost.
Description of drawings
Fig. 1 is the mechanical gear box kinematic sketch of mechanism of main-gear box of the present utility model and mechanical auxiliary gearbox combination.
Fig. 2 is the infinitely variable transmission kinematic sketch of mechanism of main-gear box of the present utility model and HST gearbox combination.
Among the figure, 1, the transplanting output gear, 2, the I axle, 3, II axle small gear, 4, the II axle, 5, the III shaftgear, 6, hydraulic gear pump, 7, the III axle, 8, IV axle fixed gear, 9, the IV axle, 10, IV axle shifting slide gear small gear, 11, IV axle shifting slide gear, 12, IV axle shifting slide gear gearwheel, 13, the V axle, 14, brake, 15, V axle gearwheel, 16, V axle middle gear, 17, the VI axle, 18, VI axle gearwheel, 19, differential mechanism, 20, the main-gear box body, 21, V axle small gear, 22, the pto＝power take-off spline housing, 23, machinery auxiliary transmission body, 24, shifting slide gear small gear behind the secondary II axle, 25, shifting slide gear behind secondary 2 axles, 26, shifting slide gear gearwheel behind the secondary II axle, 27, shifting slide gear small gear before the secondary II axle, 28, shifting slide gear before the secondary II axle, 29, secondary II axle, 30, shifting slide gear gearwheel before the secondary II axle, 31, belt wheel, 32, secondary I axle, 33, friction clutch, 34, cannon pinion A, 35, hollow shaft, 36, cannon pinion B, 37, cannon pinion C, 38, the reverse gear transition gear, 39, the machinery auxiliary transmission, 40, cannon pinion D, 41, reverse gear transition gear axle, 42, the hydraulic oil pump shaft connects spline housing, 43, the hydraulic oil pump shaft, 44, II axle gearwheel, 45, main-gear box, 46, the HST gearbox, 47, HST hydraulic-pressure pump pto＝power take-off, 48, the HST power input shaft, 49, the HST pto＝power take-off.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, it is more obvious that purpose of the present invention and effect will become.
As shown in Figure 1 and Figure 2, the utility model comprises main-gear box 45 and mechanical auxiliary transmission 39, and main-gear box 45 is connected with mechanical auxiliary transmission 39, and main-gear box 45 is connected with HST gearbox 46.
Be fixedly connected with transplanting output gear 1 in the main-gear box on the I axle 2, be fixedly connected with II axle gearwheel 44 and II axle small gear 3 on the II axle 4, be fixedly connected with III shaftgear 5 on the III axle 7, be fixedly connected with IV axle fixed gear 8 and spline joint IV axle shifting slide gear 11 on the IV axle 9, be fixedly connected with IV axle shifting slide gear small gear 10 and IV axle shifting slide gear gearwheel 12 on the IV axle shifting slide gear 11, be fixedly connected with V axle gearwheel 15 on the V axle 13, V axle middle gear 16 and V axle small gear 21, moving plate and V axle 13 spline joints of brake 14, the stator of brake 14 is fixedly connected with main-gear box body 20, connect VI axle gearwheel 18 on the VI axle 17, VI axle gearwheel 18 is fixedly connected with differential mechanism 19, and I axle ~ VI axle is installed in the main-gear box body 20.
Shifting slide gear 28 before shifting slide gear 25 and the secondary II axle behind the secondary II axle 29 upper spline auxiliary connection II axles of machinery auxiliary transmission 39, be fixedly connected with behind the secondary II axle shifting slide gear gearwheel 26 behind the shifting slide gear small gear 24 and secondary II axle behind the secondary II axle on the shifting slide gear 25, be fixedly connected with the front shifting slide gear small gear 27 of secondary II axle and the front shifting slide gear gearwheel 30 of secondary II axle before the secondary II axle on the shifting slide gear 28, cover has shaft hollow axle 35 on the secondary I axle 32, be fixedly connected with cannon pinion A34 on the hollow shaft 35, cannon pinion B36, cannon pinion C37 and cannon pinion D40, be fixedly connected with reverse gear transition gear 38 on the reverse gear transition gear axle 41, cannon pinion D40 and reverse gear transition gear 38 are in normal engagement, belt wheel 31 is fixedly connected on the left end of secondary I axle 32, the rotating plate of friction clutch 33 and secondary I axle 32 spline joints, the driven plate of friction clutch 33 and hollow shaft 35 spline joints.
One, HST gearbox 46 is combined into the hydrostatic infinitely variable transmission with main-gear box 45
When the HST of HST gearbox 46 pto＝power take-off 49 by pto＝power take-off spline housing 22 is connected with the left end of main-gear box III axle 7, when HST hydraulic-pressure pump pto＝power take-off 47 passes through hydraulic oil pump shaft connection spline housing 42 and is connected with hydraulic oil pump shaft 43, the transmission of power of HST gearbox 46 is to main-gear box 45, and main-gear box 45 obtains power.
When IV axle shifting slide gear 11 is shifted to the right to IV axle shifting slide gear small gear 10 with V axle gearwheel 15 and 44 engagement of II axle gearwheel, by V axle small gear 21 and the engagement of VI axle gearwheel 18 power is passed to ground-engaging element, by II axle small gear 3 and the engagement of transplanting output gear 1 power is passed to I axle 2, and drive the transplanting component movement, form the motion of transplanting system and the walking of machine.
When IV axle shifting slide gear 11 moves left to IV axle shifting slide gear gearwheel 12 with 16 engagements of V axle middle gear, IV axle shifting slide gear small gear 10 and V axle gearwheel 15 and the 44 disengaging engagement of II axle gearwheel, II axle 4 does not have motivational drive, by V axle small gear 21 and the engagement of VI axle gearwheel 18 power is passed to ground-engaging element, form the quick walking of machine, the transplanting system runs out of steam.
When the engagement of the left side of IV axle shifting slide gear 11 moves right that IV axle shifting slide gear gearwheel 12 separates with V axle middle gear 16, IV axle shifting slide gear small gear 10 and V axle gearwheel 15 separate, only have IV axle shifting slide gear small gear 10 right side and II axle gearwheel 44 (the gear Width V axle gearwheel 15 of II axle gearwheel 44 is wide), the power of II axle 4 only drives the transplanting system motion, and machine is in halted state.
When IV axle shifting slide gear 11 move to that IV axle shifting slide gear gearwheel 12 separates with V axle middle gear 16, when IV axle shifting slide gear small gear 10 all separates with II axle gearwheel 44 with V axle gearwheel 15, II axle 4 and V axle 13 run out of steam, and transplanting system and machine are in halted state.
Two, mechanical auxiliary transmission 39 is combined into stepped transmission case with main-gear box 45
The hydraulic oil pump shaft 43 that the secondary I axle 32 of machinery auxiliary transmission 39 is connected with main-gear box connects spline housing 42 by the hydraulic oil pump shaft and links to each other, the secondary II axle 29 of machinery auxiliary transmission 39 and the IV axle 9 of main-gear box 45 link to each other by pto＝power take-off spline housing 22, and main-gear box 45 obtains power.(at this moment, can from main-gear box 39, lay down IV axle fixed gear 8 and III shaftgear 5, III axle 7, and not affect work).
When IV axle shifting slide gear 11 is shifted to the right to IV axle shifting slide gear small gear 10 with V axle gearwheel 15 and 44 engagement of II axle gearwheel, by V axle small gear 21 and the engagement of VI axle gearwheel 18 power is passed to ground-engaging element, by II axle small gear 3 and the engagement of transplanting output gear 1 power is passed to I axle 2, and drive the transplanting component movement, form the motion of transplanting transplanting system and the walking of machine.
When IV axle shifting slide gear 11 moves left to IV axle shifting slide gear gearwheel 12 with 16 engagements of V axle middle gear, IV axle shifting slide gear small gear 10 and V axle gearwheel 15 and the 44 disengaging engagement of II axle gearwheel, II axle 4 does not have motivational drive, by V axle small gear 21 and the engagement of VI axle gearwheel 18 power is passed to ground-engaging element, form the quick walking of machine, the transplanting system runs out of steam.
When the engagement of the left side of IV axle shifting slide gear 11 moves right that IV axle shifting slide gear gearwheel 12 separates with V axle middle gear 16, IV axle shifting slide gear small gear 10 and V axle gearwheel 15 separate, only have IV axle shifting slide gear small gear 10 right side and II axle gearwheel 44 (the gear Width V axle gearwheel 15 of II axle gearwheel 44 is wide), the power of II axle 4 only drives the transplanting system motion, and machine is in halted state.
When IV axle shifting slide gear 11 move to that IV axle shifting slide gear gearwheel 12 separates with V axle middle gear 16, when IV axle shifting slide gear small gear 10 all separates with II axle gearwheel 44 with V axle gearwheel 15, II axle 4 and V axle 13 run out of steam, and transplanting system and machine are in halted state.
Three, the principles and structure of mechanical gear box 39
When friction clutch 33 separated, secondary I axle 32 can not drive hollow shaft 35 and rotate, and secondary I axle 32 connects spline housing 42 by the hydraulic oil pump shaft and drives hydraulic oil pump shaft 43 and hydraulic gear pump 6 rotations under the drive of belt wheel 31; When friction clutch 33 in conjunction with the time, secondary I axle 32 drives hollow shafts 35 and rotates together, drives cannon pinion A34, cannon pinion 36B, cannon pinion C37 and cannon pinion D40 rotation.
When friction clutch 33 combinations, shifting slide gear 28 moves to left before the secondary II axle, so that shifting slide gear gearwheel 30 engagements before cannon pinion A34 and the secondary II axle, and when shifting slide gear small gear 24 is with cannon pinion C37 and 38 engagement of reverse gear transition gear behind shifting slide gear gearwheel 26 and the secondary II axle behind the secondary II axle on the shifting slide gear 25 behind the secondary II axle, the power of belt wheel 31 is by secondary I axle 32, friction clutch 33, hollow shaft 35, shifting slide gear gearwheel 30 before cannon pinion A34 and the secondary II axle, secondary II axle 29 and pto＝power take-off spline housing 22 pass on the power input shaft IV axle 9 of main-gear box 45, the gear that drives main-gear box 45 rotates, and forms and advances 1 grade.
When friction clutch 33 combinations, shifting slide gear 28 moves to right before the secondary II axle, so that shifting slide gear small gear 27 engagements behind cannon pinion B36 and the secondary II axle, and when shifting slide gear small gear 24 is with cannon pinion C37 and 38 engagement of reverse gear transition gear behind shifting slide gear gearwheel 26 and the secondary II axle behind the secondary II axle on the shifting slide gear 25 behind the secondary II axle, the power of belt wheel 31 is by secondary I axle 32, friction clutch 33, hollow shaft 35, shifting slide gear small gear 27 before cannon pinion B36 and the secondary II axle, secondary II axle 29 and pto＝power take-off spline housing 22 pass on the power input shaft IV axle 9 of main-gear box 45, the gear that drives main-gear box 45 rotates, and forms and advances 2 grades.
When friction clutch 33 combinations, shifting slide gear 25 moves to left behind the secondary II axle, so that shifting slide gear gearwheel 26 engagements behind cannon pinion C37 and the secondary II axle, and before the secondary II axle before the secondary II axle on the shifting slide gear 28 before shifting slide gear small gear 27 and the secondary II axle shifting slide gear gearwheel 30 not with hollow shaft 35 on the gear engagement time, the power of belt wheel 31 is by secondary I axle 32, friction clutch 33, hollow shaft 35, shifting slide gear gearwheel 26 behind cannon pinion C37 and the secondary II axle, secondary II axle 29 and pto＝power take-off spline housing 22 pass on the power input shaft IV axle 9 of main-gear box 45, the gear that drives main-gear box 45 rotates, and forms and advances 3 grades.
When friction clutch 33 combinations, shifting slide gear 25 moves to right behind the secondary II axle, so that shifting slide gear small gear 24 engagements behind cannon pinion D40 and reverse gear transition gear 38 and the secondary II axle, and before the secondary II axle before the secondary II axle on the shifting slide gear 28 before shifting slide gear small gear 27 and the secondary II axle shifting slide gear gearwheel 30 not with hollow shaft 35 on the gear engagement time, the power of belt wheel 31 is by secondary I axle 32, friction clutch 33, hollow shaft 35, cannon pinion D40, reverse gear transition gear 38, shifting slide gear small gear 24 behind the secondary II axle, secondary II axle 29 and pto＝power take-off spline housing 22 pass on the power input shaft IV axle 9 of main-gear box 45, the gear that drives main-gear box 45 rotates, and forms reverse gear.
When two gears on the shifting slide gear 25 behind two gears on the front shifting slide gear 28 of secondary II axle and the secondary II axle not with hollow shaft 35 on the engagement of all gears and secondary II axle after shifting slide gear small gear 24 during also with 38 engagement of reverse gear transition gear, machine is in neutral state.
Claims (4)
1. a stepless agricultural machinery gearbox that makes up with step change is characterized in that, comprises main-gear box (45), HST gearbox (46) and mechanical auxiliary transmission (39); Wherein, main-gear box (45) comprises transplanting output gear (1), I axle (2), II axle small gear (3), II axle (4), III shaftgear (5), hydraulic gear pump (6), III axle (7), IV axle fixed gear (8), IV axle (9), IV axle shifting slide gear small gear (10), IV axle shifting slide gear (11), IV axle shifting slide gear gearwheel (12), V axle (13), brake (14), V axle gearwheel (15), V axle middle gear (16), VI axle (17), VI axle gearwheel (18), differential mechanism (19), main-gear box body (20), V axle small gear (21), hydraulic oil pump shaft (43) and II axle gearwheel (44); Be fixedly connected with transplanting output gear (1) on the I axle (2), be fixedly connected with II axle gearwheel (44) and II axle small gear (3) on the II axle (4), be fixedly connected with III shaftgear (5) on the III axle (7), be fixedly connected with IV axle fixed gear (8) and spline joint IV axle shifting slide gear (11) on the IV axle (9), be fixedly connected with V axle gearwheel (15) on the V axle (13), V axle middle gear (16) and V axle small gear (21), moving plate and V axle (13) spline joint of brake (14), the stator of brake (14) is fixedly connected with main-gear box body (20), the upper VI axle gearwheel (18) that connects of VI axle (17), VI axle gearwheel (18) is fixedly connected with differential mechanism (19), and I axle ~ VI axle is installed in the main-gear box body (20); HST gearbox (46) has HST hydraulic-pressure pump pto＝power take-off (47), HST power input shaft (48) and HST pto＝power take-off (49); Machinery auxiliary transmission (39) comprising: mechanical auxiliary transmission body (23), shifting slide gear small gear (24) behind the secondary II axle, shifting slide gear (25) behind the secondary II axle, shifting slide gear gearwheel (26) behind the secondary II axle, shifting slide gear small gear (27) before the secondary II axle, shifting slide gear (28) before the secondary II axle, secondary II axle (29), shifting slide gear gearwheel (30) before the secondary II axle, belt wheel (31), secondary I axle (32), friction clutch (33), cannon pinion A(34), hollow shaft (35), cannon pinion B(36), cannon pinion C(37), reverse gear transition gear (38), cannon pinion D(40) and reverse gear transition gear axle (41); Shifting slide gear (28) before shifting slide gear (25) and the secondary II axle behind secondary II axle (29) the upper spline auxiliary connection II axle of machinery auxiliary transmission (39), be fixedly connected with behind the secondary II axle shifting slide gear gearwheel (26) behind the shifting slide gear small gear (24) and secondary II axle behind the secondary II axle on the shifting slide gear (25), be fixedly connected with shifting slide gear small gear (27) and the front shifting slide gear gearwheel (30) of secondary II axle before the secondary II axle before the secondary II axle on the shifting slide gear (28); The upper cover of secondary I axle (32) has hollow shaft (35), hollow shaft is fixedly connected with cannon pinion A(34 on (35)), cannon pinion B(36), cannon pinion C(37) and cannon pinion D(40), be fixedly connected with reverse gear transition gear (38) on the reverse gear transition gear axle (41), cannon pinion D(40) is in normal engagement with reverse gear transition gear (38), belt wheel (31) is fixedly connected on the left end of secondary I axle (32), the rotating plate of friction clutch (33) and secondary I axle (32) spline joint, the driven plate of friction clutch (33) and hollow shaft (35) spline joint; Main-gear box (45) is connected with HST gearbox (46), and perhaps main-gear box (45) links to each other with mechanical auxiliary transmission (39).
2. the agricultural machinery gearbox of described stepless and step change combination according to claim 1, it is characterized in that, described main-gear box (45) is connected spline housing (42) by pto＝power take-off spline housing (22) and is connected with HST gearbox (46) with the hydraulic oil pump shaft, perhaps main-gear box (45) is connected spline housing (42) and links to each other with mechanical auxiliary transmission (39) by pto＝power take-off spline housing (22) with the hydraulic oil pump shaft.
3. the agricultural machinery gearbox of described stepless and step change combination according to claim 1, it is characterized in that, described main-gear box (45) is connected spline housing (42) by pto＝power take-off spline housing (22) and is connected with HST gearbox (46) and is specially with the hydraulic oil pump shaft: the HST hydraulic-pressure pump pto＝power take-off (47) of HST gearbox (46) is connected 45 with main-gear box) hydraulic oil pump shaft (43) be connected spline housing (42) by the hydraulic oil pump shaft and link to each other, the HST pto＝power take-off (49) of HST gearbox (46) links to each other by pto＝power take-off spline housing (22) with the III axle (7) of main-gear box (45).
4. the agricultural machinery gearbox of described stepless and step change combination according to claim 1, it is characterized in that, described main-gear box (45) is connected spline housing (42) by pto＝power take-off spline housing (22) and is connected with mechanical auxiliary transmission (39) and is specially with the hydraulic oil pump shaft: the secondary I axle (32) of mechanical auxiliary transmission (39) is connected 45 with main-gear box) hydraulic oil pump shaft (43) be connected spline housing (42) by the hydraulic oil pump shaft and link to each other, the secondary II axle (29) of mechanical auxiliary transmission (39) links to each other by pto＝power take-off spline housing (22) with the IV axle (9) of main-gear box (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623356 CN202914667U (en) | 2012-11-23 | 2012-11-23 | Agricultural machinery speed changing box with stepless speed change and step speed change combined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623356 CN202914667U (en) | 2012-11-23 | 2012-11-23 | Agricultural machinery speed changing box with stepless speed change and step speed change combined |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914667U true CN202914667U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623356 Withdrawn - After Issue CN202914667U (en) | 2012-11-23 | 2012-11-23 | Agricultural machinery speed changing box with stepless speed change and step speed change combined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115128A (en) * | 2012-11-23 | 2013-05-22 | 浙江小精农机制造有限公司 | Modular-designed stepless-step combined speed changing box |
| CN105202145A (en) * | 2015-09-16 | 2015-12-30 | 湖南省农友机械集团有限公司 | Mechanical direct connection and hydrostatic stepless parallel-connection type dual power input device |
-
2012
- 2012-11-23 CN CN 201220623356 patent/CN202914667U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115128A (en) * | 2012-11-23 | 2013-05-22 | 浙江小精农机制造有限公司 | Modular-designed stepless-step combined speed changing box |
| CN103115128B (en) * | 2012-11-23 | 2015-09-30 | 浙江小精农机制造有限公司 | Modular design stepless with have a grade compound transmission |
| CN105202145A (en) * | 2015-09-16 | 2015-12-30 | 湖南省农友机械集团有限公司 | Mechanical direct connection and hydrostatic stepless parallel-connection type dual power input device |
| CN105202145B (en) * | 2015-09-16 | 2016-07-13 | 湖南省农友机械集团有限公司 | A kind of mechanical direct-connected and hydrostatic stepless parallel double dynamical input equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |