CN212753117U - Multifunctional agricultural tiller, clutch mechanism thereof and direct-connected agricultural machine gearbox - Google Patents

Abstract

The utility model provides a multi-functional agricultural tiller and clutching mechanism and associated mode agricultural machinery gearbox thereof, clutching mechanism is connected to the engine, and clutching mechanism is connected to gearbox body one side, and the separation and reunion handle is fixed on the handrail frame and is connected clutching mechanism, and the handrail frame is fixed at the gearbox body top, and the rotary tillage box is connected to the gearbox body opposite side. The power output by the engine of the cultivator can be directly transmitted to the gearbox body and the rotary tillage box body respectively. The clutch handle controls the clutch in the clutch mechanism to cut off or transmit the power output by the engine. The power transmission of the cultivator is strong, the clutch can be prevented from being eroded by branches and leaves, soil and sand, the transmission effect is prevented from being influenced, and the stability and the adaptability of the cultivator during running and rotary tillage operation in various environments are improved. The walking drive and the rotary tillage drive are independent transmission, are not influenced by running gears, can reduce the power consumption during the operation of the machine, and have better operation adaptability and wider range.

Description

Multifunctional agricultural tiller, clutch mechanism thereof and direct-connected agricultural machine gearbox

Technical Field

The utility model belongs to the field of agricultural cultivation equipment, which relates to a miniature cultivator applicable to paddy fields or dry lands, in particular to a multifunctional agricultural cultivator, a clutch mechanism and a direct-connected agricultural machine gearbox thereof.

Background

At present, in the market, an external clutch is generally adopted, and power is transmitted between the power and a gear box clutch through a V-belt. During operation, the rotating V-belt is eroded by water, mud and branches and leaves, so that failure is easy to occur, and the phenomena of slipping and large loss occur in the transmission power, thereby influencing the use effect of the tillage machine. And although the box direct connection technology is adopted in a small part of tillage machinery, the problems of abrasion and transmission do not exist, the operation gears are few, the steering function is not realized, and the tillage shafts are not independently driven, so that the adaptability of the machine is poor, and the use efficiency is low. The patent number 2019202170433 of the prior application of the patent applicant is named as a multifunctional gearbox, and the contents of the multifunctional gearbox are as follows: a multifunctional gearbox comprises a gearbox body, wherein a plane power output port, a steering rocker arm and a steering fork sleeve are arranged at the lower part of the gearbox body, a boss is arranged at the upper part of the gearbox body, a gear piece is arranged at the right side of the gearbox body, a gear piece seat is arranged outside the gear piece, the middle part of the gearbox body is rotatably connected with a first shaft, a first shaft transmission gear is arranged in the middle of the first shaft, a second shaft is arranged at the left side of the first shaft, a second shaft transmission gear is arranged in the middle of the second shaft, a third shaft transmission gear, a second-third gear engaging duplicate gear and a first reverse gear engaging gear are arranged in the middle of the third shaft, a fourth shaft is arranged at the left side of the third shaft, a fourth shaft transmission gear, a fourth shaft second gear, a fourth shaft third gear and a fourth shaft first gear engaging duplicate gear are arranged in the middle of the fifth shaft, a fifth shaft low, the left side of the fifth shaft is provided with a sixth shaft, the middle of the sixth shaft is provided with a central transmission gear, a steering shifting fork, a steering gear and a return spring, the upper end of the sixth shaft is provided with a steering spacer bush, the left side of the sixth shaft is provided with a driving shaft, and the middle of the driving shaft is provided with a driving gear. The multifunctional gearbox adopts the external clutch, the clutch and the V-belt are far away from the driving wheel by increasing the number of shafts and the height of the clutch, certain abrasion can be reduced, but the weight of the whole gearbox is increased, so that the cost and the maintenance difficulty are increased, and the problem is not solved fundamentally.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a multifunctional agricultural tiller which is assembled by adopting a power direct connection mode, is provided with a main speed change gear and an auxiliary speed change gear, has a separation steering function, is independently driven by a rotary tillage transmission shaft, and is not influenced by a running gear, a clutch mechanism and a direct connection type agricultural machine gearbox, and the specific scheme is as follows:

clutch device, including clutch housing, coupling disc, clutch, separation and reunion shift fork and separation and reunion driving lever, clutch housing one end connection coupling disc, the clutch establish in clutch housing and be connected with the coupling disc, and clutch is connected to vertical transmission shaft one end, and the other end is worn out the clutch housing other end and is connected initiative conical gear, the separation and reunion shift fork sets up in the adjacent department of clutch, and the separation and reunion shifting fork is connected in the clutch housing to the separation and reunion shifting lever penetrates, and the pulling separation and reunion shifting lever drives separation and reunion shift fork control clutch separation and reunion.

Direct-coupled agricultural machinery gearbox, including gearbox and clutching mechanism, the gearbox includes transverse transmission shaft and secondary shaft, and transverse transmission shaft sets up in the adjacent one side of secondary shaft, and the secondary shaft cover is equipped with two drive gear, two one keep off duplicate gear, two three fender gears and two keep off the gear, and the cover is equipped with transverse transmission gear and passive conical gear on the transverse transmission shaft, transverse transmission gear meshing two drive gear, passive conical gear and the meshing of initiative conical gear, gearbox one side is connected and is close to initiative conical gear's clutch housing one end.

Furthermore, the second shaft is arranged in the middle of the gearbox body, a rotary tillage transition shaft is arranged on the other adjacent side of the second shaft, and a rotary tillage transition gear sleeved on the rotary tillage transition shaft is meshed with the two-shaft transmission gear.

Furthermore, the other side of the gearbox body is provided with a plane power output port, and the plane power output port is provided with a bolt hole and a pin hole which are connected with the rotary tillage box body or the traction frame or the furrow plough.

A multifunctional agricultural tiller comprises an engine, a driving wheel, a handrail frame, a handrail, a clutch handle, a rotary tillage box body and a direct-coupled agricultural machine gearbox, wherein the engine is connected with a clutch and fixed on a coupling disc, the driving wheel is installed at two ends of the driving shaft, the driving shaft is installed at the bottom of the gearbox body, the rotary tillage box body is installed on a plane power output port at the other side of the gearbox body, the handrail frame is arranged above the rotary tillage box body and fixed at the top of the gearbox body, one end of the handrail is fixed on the handrail frame, the clutch handle is fixed at the other end of the handrail, and.

Further, rotary tillage box middle part is including rotary tillage one, the positive pivot of rotary tillage, the rotary tillage two, rotary tillage three-axis, rotary tillage four-axis and rotary tillage main shaft, rotary tillage one sets up in rotary tillage transition axle below to the cover is equipped with a rotary tillage one drive gear and the positive reverse gear of rotary tillage, the adjacent department of rotary tillage one is equipped with the positive pivot of rotary tillage, rotary tillage corotation axle sleeve is equipped with rotary tillage corotation gear, rotary tillage corotation axle below is equipped with the rotary tillage two, rotary tillage two hub connections are equipped with the rotary tillage two-axis gear, rotary tillage two hub connections are equipped with the rotary tillage three-axis, rotary tillage three hub connections is equipped with the rotary tillage three-axis gear, rotary tillage three-axis connections is equipped with the rotary.

Further, rotary tillage box top is provided with rotary tillage engaging gear mechanism, rotary tillage engaging gear mechanism includes rotary tillage engaging gear pole, rotary tillage driving lever, rotary tillage shift fork and rotary tillage declutch shift shaft, and rotary tillage engaging gear pole, rotary tillage shift lever penetrate rotary tillage box and connect the rotary tillage shift fork, and rotary tillage shift fork connects the rotary tillage positive and negative rotation engaging gear wheel, and the rotary tillage declutch shift shaft is worn to establish and is connected at rotary tillage shift fork top.

Furthermore, two ends of the rotary tillage main shaft are connected with various cutters required to be installed through bearings.

The invention has the advantages of

The utility model discloses owing to adopt above-mentioned structural design, have following several advantages:

1. the utility model discloses a gearbox body and clutch adopt the direct-coupled transmission, and the power transmission of reinforcing engine need not V-belt transmission, and the clutch setting can prevent that it from receiving the erosion of outside branch and leaf, earth and sand in the clutch housing, has not only improved power transmission's stability and reliability, has still improved this farming machine stability and adaptability under various adverse circumstances.

2. The utility model discloses a cover is established and is established passive conical gear of transverse transmission shaft and set up in the adjacent one side of secondary shaft to realize gearbox body and rotary tillage box respectively with the transmission of clutch, can play and reduce the complete machine focus, improve the effect of complete machine nature controlled, can also conveniently arrange the gear engaging gear and the shift fork of putting into gear of each fender position at primary shaft and third axle, conveniently reverse gear duplicate gear arranges at gearbox body front end isotructure, makes gearbox body compacter, keeps off the position more.

3. The utility model discloses a gearbox body is equipped with main variable speed and vice variable transmission, has reverse gear, steering mechanism, and the fender position distributes rationally, and the operation keeps off the position many, and the manipulation is convenient, and the availability factor is high.

4. The utility model discloses a transmission of rotary tillage box is independent transmission, does not receive the fender position influence of traveling, is provided with positive reverse drive mechanism, makes this farming machine reduce power consumption when the operation, makes operation adaptability better, the scope is wider.

5. The utility model discloses the external tapping is simple reasonable, effectively realizes multi-functionally, installs share plough, rotary tillage box or draw gear after, can easily realize ploughing, rotary tillage, multiple operations such as intertillage earthing up, ridging, transportation.

6. The utility model discloses overall structure is pleasing to the eye, compact structure, and weight is light and handy, and intensity is sufficient, and power take off is independent powerful, and production simple process helps the agricultural low consumption, stable production.

Drawings

Fig. 1 is a schematic view of the overall structure of the multi-functional agricultural tiller of the present invention.

Fig. 2 is a schematic structural diagram of the direct-connected agricultural machinery gearbox of fig. 1.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a cross-sectional view C-C of fig. 2.

Fig. 5 is a schematic structural view of the clutch mechanism of fig. 2.

Fig. 6 is a sectional view a-a of fig. 2.

Fig. 7 is a sectional view B-B of fig. 2.

Fig. 8 is a schematic view of the steering structure of fig. 2.

FIG. 9 is a schematic view of the connection structure of the gearbox and the rotary tillage box of the direct-connected agricultural machine shown in FIG. 1.

Fig. 10 is a cross-sectional view taken along line D-D of fig. 9.

Fig. 11 is a perspective view of fig. 9.

Fig. 12 is a schematic structural view of the rotary tillage engagement mechanism of fig. 9.

In the figure:

1. a coupling disk; 2. a clutch housing; 3. a transmission case; 4. a clutch; 5. a longitudinal drive shaft; 6. a driving bevel gear; 7. a transverse transmission shaft; 8. a transverse shaft drive gear; 9. a driven bevel gear; 10. a second shaft; 11. a two-axis transmission gear; 12. a rotary tillage transition shaft; 13. a rotary tillage transition gear; 14. a first shaft; 15. a reverse gear engaging gear; 16. a shaft transmission gear; 17. a third gear is engaged with a dual gear; 18. a rotary tillage box body; 19. a dual-shaft first-gear dual gear; 20. a two-shaft three-gear; 21. a second gear; 22. a third axis; 23. an auxiliary transmission gearwheel; 24. a sub-transmission double gear; 25. a fourth axis; 26. a central drive gear; 27. a steering fork; 28. a steering gear; 29. a steering return spring; 30. a steering spacer sleeve; 31. a drive shaft; 32. a drive gear; 33. a reverse gear shaft; 34. a reverse double gear; 35. a second gear shifting fork shaft and a third gear shifting fork shaft; 36. a second and third gear shifting fork; 37. a reverse shift fork shaft; 38. a reverse shift fork; 39. a sub-transmission fork guide shaft; 40. an auxiliary shift fork shaft; 41. an auxiliary transmission fork; 42. a shifting fork is clutched; 43. a clutch deflector rod; 44. a stopper piece; 45. a shift lever seat; 46. a main gear lever; 47. a main gear lever ball seat; 48. a main gear lever ball seat cover; 49. a main gear lever operating lever; 50. a secondary shift lever; 51. a sub-gear shift lever; 52. a sub gear shift lever ball seat cover; 53. a sub-gear shift lever ball seat; 54. a steering shifting fork fixing seat; 55. a steering rocker arm; 56. a planar power output port; 57. a pull rod; 58. a clutch handle; 59. a handrail; 60. an armrest frame; 61. a drive wheel; 62. a rotary tillage gear hanging rod; 63. a shaft is rotary-ploughed; 64. a rotary tillage shaft gear; 65. a rotary tillage positive rotating shaft; 66. a rotary tillage forward rotation gear; 67. rotary tillage is carried out for two shafts; 68. a rotary tillage double-shaft gear; 69. carrying out rotary tillage on three shafts; 70. rotary tillage three-shaft gear; 71, carrying out rotary tillage on four shafts; 72. carrying out rotary tillage on a four-shaft gear; 73. a rotary tillage main shaft; 74. a rotary tillage main shaft gear; 75. a gear is engaged in the forward and reverse rotation of the rotary tillage; 76. an engine; 77. a rotary tillage deflector rod; 78. a rotary tillage shifting fork; 79. a rotary tillage fork shaft.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, the multifunctional agricultural tiller and the clutch mechanism and the direct-coupled agricultural gearbox thereof provided by the present invention include an engine 76, a direct-coupled agricultural gearbox, a driving wheel 61, a handrail frame 60, a handrail 59, a clutch handle 58 and a rotary tillage box 18.

An engine 76 is connected to a direct-coupled agricultural machine gearbox, the direct-coupled agricultural machine gearbox comprises a clutch mechanism and a gearbox body 3, the clutch mechanism is connected with the gearbox body 3, as shown in fig. 5, the clutch mechanism comprises a clutch shell 2, a coupling disc 1, a clutch 4, a clutch shifting fork 42 and a clutch shifting rod 43, one end of the clutch shell 2 is fixedly connected with the coupling disc 1 through a bolt, the clutch 4 is arranged in the clutch shell 2 and is connected with the coupling disc 1, one end of a longitudinal transmission shaft 5 is connected with the clutch 4, the other end penetrates out of the clutch shell 2 and is connected with a driving conical gear 6, the clutch shifting fork 42 is arranged at the adjacent position of the clutch 4, one end of the clutch shifting rod 43 penetrates into the clutch shell 2 and is connected with the clutch shifting fork 42, the other end of the clutch shifting rod is connected with a clutch handle through a pull rod 57, and the. The clutch handle 58 pulls the clutch pulling rod 43 to drive the clutch fork 42 to control the clutch 4 to be separated and jointed. The clutch handle 28 is fixed on one end of the armrest 59, the other end of the armrest 59 is fixed on the armrest frame 60 through bolts, and the armrest frame 60 is fixedly connected on the top end of the right side of the gearbox body 3 through bolts. As shown in fig. 3, a shift plate 44 is disposed at a top end of a right side of the transmission case 3, a shift lever seat 45 is disposed outside the shift plate 44, a main shift lever 46 is disposed at an upper portion of the shift lever seat 45, a main shift lever ball seat 47 is disposed at a middle portion of the main shift lever 46, the main shift lever ball seat 47 is fixedly connected to a main shift lever ball seat cover 48, a main shift lever 49 is disposed at an end portion of the main shift lever ball seat 47, a sub shift lever 51 is disposed at a lower portion of the main shift lever ball seat 47, a sub shift lever ball seat 53 is disposed at a middle portion of the sub shift lever 51, the sub shift lever ball seat 53 is fixedly connected to a sub shift. The gear shift control mechanism of the gear shift housing 3 is that a gear shift piece 44 is fixedly installed between the top end of the gear shift housing 3 and a gear shift lever seat 45 through a bolt, a main gear shift lever 46 and an auxiliary gear shift lever 51 are respectively arranged on the gear shift lever seat 45, the main gear shift lever 46 is clamped by a main gear shift lever ball seat 47 and a main gear shift lever ball seat cover 48 to form ball hinge, a ball head of the main gear shift lever 46 is slotted and is limited to axially rotate through a pin on the main gear shift lever ball seat 47, and then is fixed on the gear shift lever seat 45 through a bolt, a main gear shift control lever 49 is sleeved outside the main gear shift lever 46 and is connected through a pin shaft, as shown in fig. 4, a gear is engaged in an I-shaped guide groove of the gear shift piece 44, and; the sub-shift lever ball seat 53 and the sub-shift lever ball seat cover 52 clamp the sub-shift lever 51 to form a ball joint, and the ball of the sub-shift lever 51 is provided with a pin to protrude so as to block the axial rotation of the sub-shift lever ball seat 53 and is fixed to the shift lever seat 45 by a bolt, and the sub-shift lever 50 is sleeved on the sub-shift lever 51 and connected by a pin, as shown in fig. 4, in a shifting position in a linear guide hole groove of the shift block 44, and the sub-shift lever 51 is used for a shift speed/slow speed position.

As shown in fig. 3 and 6, the engine 76 is connected with the clutch 4 and fixed on the coupling plate 1 through bolts, the middle part of the gearbox body 3 is provided with a transverse transmission shaft 7 and a second shaft 10, the transverse transmission shaft 7 is installed at the front end of the adjacent left side of the second shaft 10, the second shaft 10 is sleeved with a second transmission gear 11, a second shaft first-gear duplex gear 19, a second shaft third-gear 20 and a second shaft second-gear 21, the second transmission gear 11 is arranged at the middle part of the second shaft 10 and is statically connected through a bearing, the rest of the second transmission gear is movably connected through a spline, one end of the second shaft 10 is connected with the second shaft first-gear duplex gear 19 through a spline, the other end of the second shaft 10 is connected with the second shaft second-gear 21 through a spline, the second shaft third-gear 20 is sleeved between the. A transverse transmission gear 8 and a driven conical gear 9 are sleeved on the transverse transmission shaft 7, the transverse transmission gear 8 is meshed with a two-shaft transmission gear 11, the driven conical gear 9 is meshed with the driving conical gear 6, and one end of the clutch shell 2 close to the driving conical gear 6 is connected to one side of the gearbox body 3 through a bolt. The driven conical gear 9 is sleeved on the transverse transmission shaft 7, the transverse transmission shaft 7 is arranged on the left side adjacent to the second shaft 10, the power output of the engine 76 is transmitted to the gearbox body 3 through the longitudinal transmission shaft 5 and the driving conical gear 6, the gravity center of the whole machine can be lowered, the control performance of the whole machine is improved, the first shaft 14 and the third shaft 22 can be conveniently arranged with a gear engaging gear and a gear engaging shifting fork of each gear respectively, the reverse gear shaft 33 is arranged at the front end of the left side of the gearbox body 3, and the like, so that the gearbox body 3 is more compact and has more gears.

As shown in fig. 2, 3 and 7, a first shaft 14 is arranged above a second shaft 10, a first shaft transmission gear 16 is sleeved in the middle of the first shaft 14, two ends of the first shaft transmission gear 16 are axially positioned by check rings and are connected with shaft splines, other parts of the first shaft transmission gear 16 are movably connected by splines, one end of the first shaft 14 is connected with a reverse gear engaging gear 15 through a spline, the other end of the first shaft 14 is connected with a second three-gear engaging duplicate gear 17 through a spline, the first shaft transmission gear 16 is meshed with the second shaft transmission gear 11, the second three-gear engaging duplicate gear 17 is meshed with a second shaft second gear 21 and a second shaft third gear 20 to form a second gear and a third gear respectively, and two ends of the first shaft 14 are. The adjacent left side of first axle 14 is equipped with reverse shaft 33, and reverse shaft 33 overlaps and is equipped with reverse duplicate gear 34, for unthreaded hole adds bush quiet connection, and reverse duplicate gear 34 meshes a reverse gear engaging gear 15 and two axles one keeps off duplicate gear 19 and forms reverse gear and first gear respectively. Three hole sites are arranged between the adjacent right side of the first shaft 14 and the top end of the right side of the gearbox body 3, a two-three gear shift shaft 35, a reverse gear shift shaft 37 and an auxiliary gear shift shaft 40 are sequentially arranged from left to right, a two-three gear shifting fork 36 is sleeved in the middle of the two-three gear shift shaft 35, a reverse gear shifting fork 38 is sleeved in the middle of the one-reverse gear shift shaft 37, an auxiliary gear shifting fork 41 is sleeved in the auxiliary gear shift shaft 40, the shifting directions of the two-three gear shifting fork 36, the one-reverse gear shifting fork 38 and the auxiliary gear shifting fork 41 are led to a reverse gear opening of the gearbox body 3, a fork opening of the two-three gear shifting fork 36 is clamped on an annular groove of the two-three gear shift duplicate gear 17, a fork opening of the one-reverse gear shift fork 38 is clamped on an annular groove of the one-reverse gear shift gear 15, a fork opening of the auxiliary gear shift fork 41 is clamped on an annular groove of the auxiliary gear duplicate gear shift gear 24, and an.

A third shaft 22 is arranged below the second shaft 10, one end of the third shaft 22 is connected with an auxiliary speed change large gear 23 through a bearing, the other end of the third shaft 22 is movably connected with an auxiliary speed change duplicate gear 24 through a spline, the auxiliary speed change large gear 23 is meshed with a pinion of the two-shaft one-gear duplicate gear 19 to form a fast-slow gear, the auxiliary speed change duplicate gear 24 is meshed with the two-shaft two-gear 21, the auxiliary speed change duplicate gear 24 is connected with the auxiliary speed change large gear 23 through an internal-external gear, and the end heads of the two ends of the third shaft 22.

A fourth shaft 25 is arranged below the third shaft 22, a central transmission gear 26 and a steering gear 28 are sleeved in the middle of the fourth shaft 25, inner teeth are arranged on two sides of the central transmission gear 26 and are connected with teeth of the steering gear 28 in an embedded mode, steering spacers 30 are arranged at two ends of the fourth shaft and are movably connected with the steering gear 28, steering return springs 29 are sleeved on the steering gear 28 and the steering spacers 30, and end heads at two ends of the fourth shaft are connected with the gearbox body 3 through bearings. A driving shaft 31 is arranged below the fourth shaft 25, a driving gear 32 is sleeved in the middle of the driving shaft 31 through a spacer, and the driving gear 32 is constantly meshed with the steering gear 28.

The arrangement of the first shaft 14 from the middle of the transmission housing 3 up to the drive shaft 31, the reverse shaft 33 and the associated gears enables forward 6 and reverse 2 speeds.

As shown in fig. 8 to 11, a planar power output port 56 is arranged on the right side of the transmission case 3, a steering control mechanism is installed below the planar power output port 56, the steering control mechanism includes a steering fork fixing seat 54, a steering fork 27 and a steering rocker arm 55, the steering fork fixing seat 54 is fixedly installed on the lower portion of the transmission case 3, the steering fork 27 is freely rotatably installed on the steering fork fixing seat 54, a fork position of the steering fork 27 is clamped on a slot position of the steering gear 28, the steering fork 27 is controlled to rotate by the steering rocker arm 55, and further the axial movement of the steering gear 28 is controlled to perform the separating and engaging actions.

As shown in fig. 6, 9 and 10, the planar power output port 56 is provided with bolt holes and pin holes to connect with the rotary tillage box 18, the middle part of the rotary tillage box 18 comprises a rotary tillage first shaft 63, a rotary tillage positive rotation shaft 65, a rotary tillage second shaft 67, a rotary tillage third shaft 69, a rotary tillage fourth shaft 71 and a rotary tillage main shaft 73, the right side adjacent to the second shaft 10 is provided with a rotary tillage transition shaft 12, the middle part of the rotary tillage transition shaft 12 is provided with a rotary tillage transition gear 13 through a bearing sleeve, the rotary tillage transition gear 13 is meshed with the second shaft transmission gear 11, the two end heads of the rotary tillage transition shaft 12 are respectively fixedly arranged at the right side of the gear box 3 through a spacer bush, a rotary tillage first shaft 63 is provided with a rotary tillage first transmission gear 64 and a rotary tillage positive rotation gear 75 through a spline sleeve, and is arranged below the rotary tillage transition shaft 12, the right side adjacent, a rotary tillage secondary shaft 67 is arranged below the rotary tillage positive rotation shaft 65, a rotary tillage secondary shaft 67 is sleeved with a rotary tillage secondary shaft gear 68, a rotary tillage three shaft 69 is arranged below the rotary tillage secondary shaft 67, a rotary tillage three shaft gear 70 is sleeved with a rotary tillage three shaft gear 70, a rotary tillage four shaft 71 is arranged below the rotary tillage three shaft 69, a rotary tillage four shaft gear 72 is sleeved with a rotary tillage four shaft gear 71, a rotary tillage main shaft 73 is arranged below the rotary tillage four shaft 71, a rotary tillage main shaft gear 74 is sleeved on the rotary tillage main shaft 73, and bearings are respectively sleeved at two end heads of a rotary tillage primary shaft 63, a rotary tillage positive rotation. Two ends of the rotary tillage main shaft 73 are respectively connected with various cutters required to be installed through bearings, and the rotary tillage forward and reverse rotation functions can be achieved through the arrangement. A rotary tillage engaging gear mechanism is arranged in the middle of the rotary tillage box 18, as shown in fig. 12, the rotary tillage engaging gear mechanism comprises a rotary tillage engaging gear rod 62, a rotary tillage shifting rod 77, a rotary tillage shifting fork 78 and a rotary tillage shifting fork shaft 79, the rotary tillage engaging gear rod 62 is connected with the rotary tillage shifting rod 77, the rotary tillage shifting rod 77 penetrates into the rotary tillage box 18 to be connected with the rotary tillage shifting fork 78, the rotary tillage shifting fork 78 is connected with a rotary tillage forward and reverse engaging gear 75, and the rotary tillage shifting fork shaft 79 is connected with the top of the rotary. The rotary tillage hanging bar 62 is used for adjusting the forward and reverse rotation of the rotary tillage main shaft 73.

The working principle is as follows:

the rotary tillage principle is as shown in fig. 10, the power is input into the clutch 4 by the engine 76, the clutch 4 is controlled to be separated or jointed by the clutch handle 58, so that the power is cut off or transmitted to the longitudinal transmission shaft 5, the driving bevel gear 6, the driven bevel gear 9, the transverse transmission shaft 8, the transverse shaft transmission gear 7, the two-shaft transmission gear 11 arranged on the second shaft 10, the large gear of the rotary tillage transition gear 13 arranged on the rotary tillage transition shaft 12, the small gear of the rotary tillage transition gear 13, the rotary tillage one-shaft transmission gear 64 arranged on the rotary tillage one shaft 63, and the rotary tillage forward and reverse gear engaging gear 75; the rotary tillage positive and negative rotation gear 75 is controlled by the rotary tillage gear shifting mechanism to respectively mesh with a rotary tillage positive rotation gear 66 arranged on a rotary tillage positive rotation shaft 65 and a rotary tillage secondary shaft gear 68 arranged on a rotary tillage secondary shaft 67, so that positive rotation and negative rotation functions are realized, power is sequentially transmitted to a rotary tillage three-shaft gear 70 arranged on a rotary tillage three shaft 69, a rotary tillage four-shaft gear 72 arranged on a rotary tillage four shaft 71, a rotary tillage main shaft gear 74 arranged on a rotary tillage main shaft 73 and the rotary tillage main shaft 73, and rotary tillage power output is realized.

The walking principle is as shown in fig. 7, and like the rotary tillage principle, the engine 76 inputs power into the clutch 4, the clutch 4 is controlled to be separated or connected through the clutch handle 58, so that the power is cut off or transmitted to the longitudinal transmission shaft 5, the driving bevel gear 6, the driven bevel gear 9, the transverse transmission shaft 8, the transverse shaft transmission gear 7, the secondary shaft transmission gear 11 and the primary shaft transmission gear 16 which are arranged on the secondary shaft 10 in sequence, and then the reverse gear engaging gear 15 and the secondary and third gear engaging gear 17 which are arranged on the primary shaft 14 are respectively engaged with the large gear of the secondary shaft first gear duplex gear 19, the secondary shaft second gear 21, the secondary shaft third gear 20 and the reverse gear duplex gear 34 which is arranged on the reverse gear shaft 33 through the main gear lever operating lever 49, so as to realize the functions of primary speed changing, secondary speed, third gear and reverse gear. Then, an auxiliary gear change gearwheel 23 mounted on the third shaft 22 is meshed with a pinion of the second-shaft first-gear duplicate gear 19 to transmit power; the sub-shift lever operating lever 50 engages a large gear of the sub-transmission double gear 24 attached to the third shaft 22 with the second-shaft second gear 21 to realize a fast shift function, and engages a small gear of the sub-transmission large gear 23 to realize a slow shift function. Then, the central transmission gear 26 mounted on the fourth shaft 25 is engaged with the pinion gear of the sub-transmission double gear 24 to realize power transmission, and the steering gear 28 mounted on the fourth shaft 25 is axially moved by the steering operation mechanism to be engaged with and disengaged from the central transmission gear 26, and is engaged with the drive gear 32 mounted on the drive shaft 31 to realize power output and steering functions.

From above, walking variable speed turns to function and rotary tillage function independent output respectively, and the machine is in the actual work, and different walking function and rotary tillage function cooperation can realize rotary tillage, hilling up, ditching, backfill, ridging, dark pine, weeding, transportation function, have improved the usage of machine greatly.

Claims (8)

1. Clutch device, its characterized in that, including clutch housing, coupling disc, clutch, separation and reunion shift fork and separation and reunion driving lever, clutch housing one end connection coupling disc, the clutch is established and is connected with the coupling disc in the clutch housing, and clutch is connected to vertical transmission shaft one end, and the other end is worn out the clutch housing other end and is connected initiative conical gear, the separation and reunion shift fork sets up in the adjacent department of clutch, and the separation and reunion shifting fork is connected to the separation and reunion shifting lever penetrates clutch housing, and the pulling separation and reunion shifting lever drives the separation and reunion shift fork control clutch and separation and joint.

2. A direct-coupled agricultural machinery gearbox is characterized by comprising a gearbox body and the clutch mechanism as claimed in claim 1, wherein the gearbox body comprises a transverse transmission shaft and a second shaft, the transverse transmission shaft is arranged on one side adjacent to the second shaft, the second shaft is sleeved with a second-shaft transmission gear, a second-shaft first-gear double-coupling gear, a second-shaft third-gear and a second-shaft second-gear, the transverse transmission shaft is sleeved with a transverse transmission gear and a driven conical gear, the transverse transmission gear is meshed with the second-shaft transmission gear, the driven conical gear is meshed with a driving conical gear, and one side of the gearbox body is connected with one end of a clutch housing close to the driving.

3. The direct-connected agricultural machinery gearbox according to claim 2, wherein the second shaft is arranged in the middle of the gearbox body, a rotary tillage transition shaft is arranged at the other adjacent side of the second shaft, and a rotary tillage transition gear sleeved on the rotary tillage transition shaft is meshed with the two-shaft transmission gear.

4. The direct-connected agricultural machinery gearbox according to claim 2, wherein a plane power output port is arranged on the other side of the gearbox body, and the plane power output port is provided with a bolt hole and a pin hole to be connected with a rotary tillage box body or a traction frame or a furrow plough.

5. The multifunctional agricultural tiller is characterized by comprising an engine, a driving wheel, a handrail frame, a handrail, a clutch handle, a rotary tillage box body and the direct-connected agricultural machine gearbox of any one of claims 2 to 4, wherein the engine is connected with a clutch and fixed on a connecting disc, the driving wheel is arranged at two ends of a driving shaft, the driving shaft is arranged at the bottom of the gearbox body, the rotary tillage box body is arranged on a plane power output port at the other side of the gearbox body, the handrail frame is arranged above the rotary tillage box body and fixed at the top of the gearbox body, one end of the handrail is fixed on the handrail frame, the clutch handle is fixed at the other end of the handrail, and the clutch handle.

6. A multi-functional agricultural tiller according to claim 5, wherein the rotary tillage box body middle portion includes a first rotary tillage shaft, a first rotary tillage forward rotation shaft, a second rotary tillage shaft, a third rotary tillage shaft, a fourth rotary tillage shaft and a rotary tillage main shaft, the first rotary tillage shaft is arranged below the rotary tillage transition shaft and is sleeved with a first rotary tillage shaft transmission gear and a second rotary tillage forward rotation gear, the adjacent portion of the first rotary tillage shaft is provided with the first rotary tillage forward rotation shaft, the second rotary tillage shaft is sleeved with a second rotary tillage shaft gear, the lower portion of the second rotary tillage shaft is provided with a third rotary tillage shaft gear, the lower portion of the third rotary tillage shaft is provided with the fourth rotary tillage shaft gear, the lower portion of the fourth rotary tillage shaft is provided with the rotary tillage main shaft gear, and the lower portion of the.

7. A multi-functional agricultural tiller according to claim 6, wherein the rotary tillage gearbox is provided with a rotary tillage engagement mechanism at a top thereof, the rotary tillage engagement mechanism comprises a rotary tillage engagement rod, a rotary tillage shift fork and a rotary tillage shift shaft, the rotary tillage engagement rod is connected with the rotary tillage shift rod, the rotary tillage shift rod penetrates through the rotary tillage gearbox to be connected with the rotary tillage shift fork, the rotary tillage shift fork is connected with a rotary tillage forward and reverse engagement gear, and the rotary tillage shift shaft is connected with a top of the rotary tillage shift fork in a penetrating manner.

8. A multi-functional agricultural tiller according to claim 6, wherein the two ends of the rotary tillage spindle are connected with a tool to be mounted through bearings.

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