CN205902341U - Joint soil preparation of through shaft type machine - Google Patents

Abstract

The utility model relates to a through-shaft combined land preparation machine, comprising a frame, a suspension frame, a stubble removal device, a rotary tiller, a ridging device and a transmission device, and is characterized in that the stubble removal device consists of a stubble removal through shaft, a stubble removal cutter head, a stubble removal The blade, the stubble removal connecting shaft arranged at one end of the stubble removal shaft and supported on the frame, and the stubble removal spline shaft arranged at the other end of the stubble removal shaft and supported on the frame; the rotary tillage device consists of a rotary tiller shaft, a rotary tiller Knife seat, rotary tiller blade, rotary tiller connecting shaft arranged at one end of the rotary tiller shaft and supported on the frame by bearings, rotary tiller spline shaft arranged at the other end of the rotary tiller shaft and supported on the frame by bearings Composition; the transmission device includes an intermediate gearbox arranged above the frame, a stubble removal gear transmission box and a rotary tillage gear transmission box respectively arranged on both sides of the frame. Its structural design is reasonable, safe and reliable in use, and it can complete multiple operations such as stubble removal, rotary tillage, and ridging at one time.

Description

Through shaft combined land preparation machine

technical field

The utility model relates to a machine for plowing and land preparation, in particular to a through-shaft combined land preparation machine, which is suitable for operations in dry fields with soil specific resistance not greater than 0.85kg/cm ² , and is especially suitable for root systems such as corn, sorghum, beets, and peanuts. For the soil preparation operation before sowing of tuber crops, a tractor is used to complete multiple operations such as stubble removal, rotary tillage, and ridging at one time.

Background technique

At present, traditional soil preparation machines are generally stubble cutters and rotary tillers, and there are mainly the following problems in the process of use:

1. The working mode is single, the stubble remover only removes stubble, and the depth is not enough, and the rotary tiller has enough depth due to its low speed, but the effect of stubble removal is not ideal;

2. The traditional stubble remover and rotary tiller adopt the middle transmission mode, that is, the middle gearbox drives the left and right half shafts to rotate, and the stubble removal or rotary tillage blades on the left and right half shafts realize stubble removal or rotary tillage, and the middle gearbox The area below is a working blind area, which cannot realize comprehensive stubble removal and rotary tillage operations, and requires secondary operations, and the operation efficiency is low and unsatisfactory;

3. The modulus of gears used in traditional stubble cleaners and rotary tillers is mostly 6, the gear strength is poor, the failure rate is high, and the service life is short;

4. Traditional stubble cleaners and rotary tillers are driven by universal joint drive shafts. The universal joint drive shafts are easily damaged, have a high failure rate, require long-term uninterrupted maintenance, high maintenance costs, and seriously affect operating efficiency. Based on this, existing land preparation implements still need to be improved.

Contents of the invention

The purpose of this utility model is to provide a through-axis combined soil preparation machine that solves the above-mentioned problems existing in traditional soil preparation machines. The effect is good, there is no working blind area, the failure rate is low, and the operation efficiency is high.

The technical scheme of the utility model is:

A through-shaft combined land preparation machine, comprising a frame, a suspension frame arranged above the front of the frame, a stubble removal device, a rotary tillage device and a ridging device arranged under the frame from front to back, and the stubble removal device and The transmission device connecting the rotary tillage device with the power source is characterized in that: the stubble removal device is composed of a stubble removal shaft, a stubble removal cutter head arranged uniformly along the length direction of the stubble removal shaft, a stubble removal blade arranged on the stubble removal cutter head, and a stubble removal blade arranged on the stubble removal shaft. One end of the through shaft for stubble removal is composed of a stubble removal connecting shaft supported on the frame by a bearing, and a spline shaft for removing stubble is arranged at the other end of the through shaft for stubble removal and supported on the frame by bearings; The rotary tiller blade seat evenly arranged along the length direction of the rotary tiller shaft, the rotary tiller blade arranged on the rotary tiller seat, the rotary tiller connecting shaft arranged at one end of the rotary tiller shaft and supported on the frame by bearings, and the rotary tiller shaft arranged on the The other end of the rotary tillage shaft is composed of a rotary tiller spline shaft supported on the frame by bearings; the transmission device includes an intermediate gearbox arranged above the frame, stubble removal gear transmission boxes respectively arranged on both sides of the frame and Rotary farming gear transmission box, the intermediate gearbox is composed of a box body, an input main shaft, an active bevel gear arranged on the input main shaft, an output shaft, a passive bevel gear arranged on the output shaft and engaged with the active bevel gear, and a bearing assembly Composition, the output shaft is composed of two output shafts and three output shafts whose axis lines coincide. The two output shafts are connected to the active transmission gear of the rotary tillage gear transmission box by means of the spline drive shaft at the end of the two output shafts far away from the output three shafts, and the passive transmission gear of the rotary tillage gear transmission box is connected to the rotary tillage spline of the rotary tillage device The shafts are connected, and the ends of the output three shafts away from the output two shafts are connected with the active transmission gear of the stubble removal gear transmission box by a spline transmission shaft, and the passive transmission gear of the stubble removal gear transmission box is connected with the stubble removal spline shaft of the stubble removal device.

In the above-mentioned through-shaft combined land preparation machine, the gear modulus of the active bevel gear and the driven bevel gear of the intermediate gearbox is 10, and the gear ratio of the active bevel gear and the driven bevel gear is 19:21 or 18:22 or 17:23 or 16:24 or 15:25; the stubble removal gear transmission box is composed of a casing, a driving transmission gear, an intermediate transmission shaft, an intermediate transmission gear, a passive transmission gear and a bearing assembly, and the stubble removal gear transmission box The gear modulus of driving transmission gear, intermediate transmission gear and passive transmission gear is 10 and the tooth number ratio of driving transmission gear, intermediate transmission gear and passive transmission gear is 18:31:18; , active transmission gear, intermediate transmission shaft, intermediate transmission gear, passive transmission gear and bearing assembly, the gear modulus of the active transmission gear, intermediate transmission gear and passive transmission gear of the rotary farming gear transmission box is 10 and the active The ratio of the number of teeth of the gear, the intermediate transmission gear and the passive transmission gear is 12:31:24.

In the above-mentioned through-shaft combined land preparation machine, the gear modulus of the active bevel gear and the driven bevel gear of the intermediate gearbox is 8, and the gear ratio of the active bevel gear and the driven bevel gear is 15:23 or 15:24 or 15:25 or 14:26 or 13:28; the stubble removal gear transmission box is composed of a casing, a driving transmission gear, an intermediate transmission shaft, an intermediate transmission gear, a passive transmission gear and a bearing assembly, and the stubble removal gear transmission box The gear modulus of driving transmission gear, intermediate transmission gear and passive transmission gear is 8 and the gear ratio of driving transmission gear, intermediate transmission gear and passive transmission gear is 19:31:13; , active transmission gear, intermediate transmission shaft, intermediate transmission gear, passive transmission gear and bearing assembly, the gear modulus of the active transmission gear, intermediate transmission gear and passive transmission gear of the rotary tillage gear transmission box is 8 and the active transmission The ratio of the number of teeth of the gear, the intermediate transmission gear and the passive transmission gear is 13:31:19.

In the above-mentioned through-shaft combined soil preparation machine, the outer side of the two output shafts is provided with a two-axis protection tube that is connected to the intermediate gearbox at one end and the other end is connected to the rotary tillage gear transmission box, and one end is provided on the outer side of the three output shafts. A three-axis protection cylinder connected with the intermediate gearbox and the other end connected with the stubble removal gear transmission box.

In the through-shaft combined land preparation machine described above, the stubble removal through shaft and the rotary tillage through shaft are parallel to the output two shafts and the output three shafts of the intermediate gearbox, and the stubble removal through shaft, the rotary tillage through shaft, and the output two shafts of the intermediate gearbox are parallel to each other. The shaft and output triaxial are perpendicular to the input main shaft of the intermediate gearbox.

In the above-mentioned through-shaft combined land preparation machine, the frame is composed of a front beam, a rear beam, a side plate welded between the corresponding ends of the front and rear beams, and a support plate welded between the middle parts of the front and rear beams, and the middle shifting The box is arranged on the support plate, and the distance from the stubble removal gear transmission box and the rotary tillage gear transmission box is equal, and the stubble removal gear transmission box and the rotary tillage gear transmission box are respectively arranged on the side plates on both sides of the frame obliquely, and the inclination directions are opposite , the ridging device is fixed on the rear beam of the frame through the ridging plow connecting seat.

In the aforementioned through-shaft combined land preparation machine, the casings of the intermediate gearbox, the stubble removal gear transmission box and the rotary tillage gear transmission box are all steel plate welded structures. In order to increase the overall strength, compared with the cast iron box, it is stronger and more durable, which greatly reduces the failure rate of the machine and is also easy to maintain.

In the above-mentioned through-shaft combined land preparation machine, the stubble removal through shaft and the rotary tillage through shaft are both hollow shafts, and the two ends of the stubble removal through shaft are respectively connected and fixed with the stubble removal connection shaft and the stubble removal spline shaft by means of flanges. The two ends of the rotary tillage shaft are respectively connected and fixed with the rotary tillage connecting shaft and the rotary tillage spline shaft by means of flanges, and the connection position of the flanges is provided with an anti-dirty protective cover. Due to the flange connection, the overall strength of the stubble removal shaft and the rotary tillage shaft is improved, and the installation is also very simple and labor-saving. The sundries protection cover effectively reduces the impact of sundries (such as grass ropes, iron wires, plastic bags) on the shaft. , bearings, oil seal damage, reducing the failure rate.

In the above-mentioned through-shaft combined land preparation machine, the ridging device consists of a ridging plow beam parallel to the rotary tillage shaft, a ridging plow seat uniformly arranged along the length direction of the ridging plow beam, and a It consists of a ridging plow hook and a soil dividing plate fixed on the ridging plow hook.

The above-mentioned through-shaft combined land preparation machine adopts self-aligning bearings, and the bearing oil seal is a skeleton, non-grinding shaft oil seal, which is stronger and more durable than the traditional rubber oil seal. When the spline shaft is running at high speed, the skeleton, non-grinding shaft oil seal The inner sleeve can rotate relative to the spline shaft and the outer sleeve, which reduces the friction between the shaft and the oil seal, and reduces the wear of the oil seal on the shaft, thus avoiding the failure of oil leakage caused by shaft wear and reducing the shaft expansion. The self-aligning bearing is made of excellent material and has a small friction coefficient. Compared with ordinary 8-bead bearings, it has a compact structure and high service strength, which prolongs the service life of the soil preparation machine.

The beneficial effects of the utility model are:

1. Integrate the functions of stubble removal, rotary tillage, and ridging into one, deepen the depth of soil preparation, and completely remove stubble. Through one-time stubble removal, soil crushing, and ridging, it replaces the traditional soil preparation procedures such as turning, raking, and pressing, making plowing and land preparation The effect is more ideal. After the soil preparation, the soil is loose, smooth, water-retaining, fertilizer-retaining, and has high organic matter content, which has good conditions for the growth of various crops; at the same time, it reduces the number of times that agricultural vehicles enter the field, which greatly saves the cost of investment;

2. Due to the use of stubble removal shaft and rotary tillage shaft, all-round stubble removal and rotary tillage can be achieved during operation, that is, there is no working blind area in the lower part of the machine; in addition, due to the shaft structure and the frame of the machine mode, which is more stable than traditional tools; the through-shaft structure will not cause shaft entanglement due to too much debris; at the same time, the number of stubble blades and rotary tillage blades is increased, which improves the degree of crushing of straw and soil, making the operation easier. The effect is more ideal;

3. Due to the increased gear modulus, compared with the 6-mode gears used in traditional equipment, the gear strength is strengthened, which improves the service life of the soil preparation machine and greatly reduces the failure rate;

4. The spline shaft structure is used to realize the transmission, and the transmission is stable. At the same time, the use of the universal joint transmission shaft is avoided, and only one-time addition of gear oil is required to maintain for a long time.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a left view of the utility model;

Fig. 3 is a right view of the utility model.

Among the figure: 1. frame, 101. front beam, 102. rear beam, 103. side plate, 104. support plate, 2. suspension frame, 201. front pull plate frame, 202. upper suspension triangular plate, 203. lower suspension triangular plate , 204. Upper suspension rear pull plate, 3. Stubble removal through shaft, 4. Stubble removal cutter head, 5. Flange, 6. Stubble removal spline shaft, 7. Stubble removal gear transmission box, 8. Passive transmission gear, 9. Middle Transmission shaft, 10. Intermediate transmission gear, 11. Driving transmission gear, 12. Bearing assembly, 13. Output three-axis, 14. Three-axis protection cylinder, 15. Passive bevel gear, 16. Intermediate gearbox, 17. Second shaft Protective cylinder, 18. Two output shafts, 19. Bearing assembly, 20. Bearing assembly, 21. Spline sleeve, 22. Driving bevel gear, 23. Input spindle, 24. Driving transmission gear, 25. Intermediate transmission gear, 26. Intermediate transmission shaft, 27. Passive transmission gear, 28. Rotary tillage gear transmission box, 29. Rotary tillage spline shaft, 30. Flange, 31. Rotary tillage through shaft, 32. Rotary tillage connecting shaft, 33. Ridging plow connection seat, 34. Ridging plow seat, 35. Ridging plow beam, 36. Stubble removal connecting shaft, 37. Stubble removal blade, 38. Rotary tillage blade, 39. Ridging plow hook, 40. Soil divider, 41. oil filling hole, 42. oil drain hole, 43. wear plate, 44. oil fill hole, 45. oil drain hole, 46. wear plate.

detailed description

Example 1

As shown in Figures 1-3, the through-axis combined land preparation machine includes a frame 1, a suspension frame 2 arranged above the front of the frame 1, a stubble removal device arranged under the frame 1 from front to back, A rotary tiller and a ridging device, a transmission device connecting the ridging device and the rotary tiller with a power source.

The stubble removal device consists of a stubble removal shaft 3, a stubble removal cutterhead 4 evenly arranged along the length direction of the stubble removal shaft 3, a stubble removal blade 37 arranged on the stubble removal cutter head 4, and a stubble removal shaft 3 at one end of the stubble removal shaft 3 and supported by a bearing on the machine. The stubble removal connecting shaft 36 on the frame 1, the stubble removal spline shaft 6 that is located at the stubble removal through shaft 3 other ends and utilizes the bearing support on the frame 1 to form. Described rotary tiller is made up of rotary tiller shaft 31, the rotary blade seat (omitted in the figure) that is evenly arranged along the length direction of rotary tiller shaft 31, the rotary blade 38 that is arranged on the rotary blade seat, is located on the rotary tiller One end of the through shaft 31 is composed of a rotary tiller connecting shaft 32 supported on the frame 1 by a bearing, and a rotary tiller spline shaft 29 arranged on the other end of the rotary tiller through shaft 31 and supported on the frame 1 by a bearing. Both the stubble removal through shaft 3 and the rotary tillage through shaft 31 are hollow shafts, and the two ends of the stubble removal through shaft 3 are respectively connected and fixed with the stubble removal connecting shaft 36 and the stubble removal spline shaft 6 using flanges 5. The two ends of through shaft 31 utilize flange plate 30 to be connected and fixed with rotary tillage connecting shaft 32 and rotary tillage spline shaft 29 respectively, and the connection positions of described flange plate 5,30 are respectively provided with anti-sundries protective cover (in the figure omitted).

Described transmission device comprises the middle gearbox 16 that is located at the top of frame 1, the stubble removal gear transmission box 7 and the rotary tillage gear transmission box 28 that are respectively arranged on both sides of frame 1, and described middle gearbox 16 is input by casing, The main shaft 23, the active bevel gear 22 arranged on the input main shaft 23, the output shaft, the passive bevel gear 15 and the bearing assembly 20 arranged on the output shaft and engaged with the active bevel gear 22 are composed of the shaft center line The overlapping output two shafts 18 and the output three shafts 13 are composed, the two ends of the output two shafts 18 and the output three shafts 13 are all set as spline transmission shafts and the opposite ends of the two are connected by spline sleeves 21, the output The two shafts 18 are connected to the active transmission gear 24 of the rotary tillage gear transmission box 28 by using a spline transmission shaft away from the output three shafts 13 ends, and the passive transmission gear 27 of the rotary tillage gear transmission box 28 is connected with the rotary tillage flowers of the rotary tillage device. The key shaft 29 is connected, and the output three shafts 13 are connected to the active transmission gear 11 of the stubble removal gear transmission box 7 by a spline drive shaft away from the output two shafts 18 ends, and the passive transmission gear 8 of the stubble removal gear transmission box 7 is connected with the stubble removal gear transmission box 7. The stubble removal spline shaft 6 of device links to each other. The output two shafts 18 and the output three shafts 13 of the stubble removal shaft 3, the rotary tillage shaft 31 and the intermediate gearbox 16 are parallel, and the stubble removal shaft 3, the rotary tillage shaft 31, the output two shafts of the intermediate gearbox 16 18 and the output three-shaft 13 are perpendicular to the input main shaft 23 of the intermediate gearbox 16. The outside of the two output shafts 18 is provided with a two-axis protection cylinder 17 that is connected to the intermediate gearbox 16 at one end and connected to the rotary tillage gear transmission box 28 at the other end. 16 is connected, and the other end is connected with the three-axis protective cylinder 14 of stubble removal gear box 7.

The casings of the intermediate gearbox 16, the stubble removal gear transmission box 7 and the rotary tillage gear transmission box 28 are all steel plate welded structures. In this embodiment, the gear modulus of the active bevel gear 22 and the passive bevel gear 15 of the intermediate gearbox 16 is 10, and the gear ratio of the active bevel gear 22 and the passive bevel gear 15 is 19:21 or 18:22 Or 17:23 or 16:24 or 15:25; the stubble removal gear transmission box 7 is composed of a casing, a driving transmission gear 11, an intermediate transmission shaft 9, an intermediate transmission gear 10, a passive transmission gear 8 and a bearing assembly 12, The gear modulus of the active transmission gear 11, the intermediate transmission gear 10, and the passive transmission gear 8 of the stubble removal gear transmission box 7 is 10 and the gear ratio of the active transmission gear 11, the intermediate transmission gear 10 and the passive transmission gear 8 is 18: 31:18; the rotary tillage gear transmission box 28 is composed of a casing, a driving transmission gear 24, an intermediate transmission shaft 26, an intermediate transmission gear 25, a passive transmission gear 27 and a bearing assembly 19. The rotary tillage gear transmission box 28 The gear modulus of the driving transmission gear 24, the intermediate transmission gear 25, and the passive transmission gear 27 is 10 and the gear ratio of the active transmission gear 24, the intermediate transmission gear 25 and the passive transmission gear 27 is 12:31:24. The thickness of all gears in the intermediate gearbox 16, the stubble removal gear transmission box 7 and the rotary tillage gear transmission box 28 is 50mm.

The frame 1 is composed of a front beam 101, a rear beam 102, a side plate 103 welded between the corresponding ends of the front and rear beams 101, 102, and a support plate 104 welded between the middle parts of the front and rear beams 101, 102. The intermediate gearbox 16 is arranged on the support plate 104, and the distance from the stubble removal gear transmission box 7 and the rotary tillage gear transmission box 28 is equal. On the side plate 103 of the side and the direction of inclination is opposite, the ridging device is fixed on the rear beam 102 of the frame 1 through the ridging plow connection seat 33 . The ridging device consists of a ridging plow beam 35 parallel to the rotary tillage shaft 31, a ridging plow seat 34 uniformly arranged along the length direction of the ridging plow beam 35, and a ridging plow hook fixed on the ridging plow seat 34. 39 and the soil dividing plate 40 that is fixed on the ridge plow hook 39 form.

The bearings used in this machine are self-aligning bearings, and the bearing oil seals are skeleton, non-grinding shaft oil seals. The stubble removal spline shaft 6, the rotary tillage spline shaft 29, the output two shafts 18 and the output three shafts 13 of the intermediate gearbox 16 are all processed by advanced material 40Cr, which has the characteristics of high temperature resistance, no annealing, and not easy to fold. Suspension frame 2 is connected with the front beam 101 of frame by the triangular-shaped front pull-out frame 201, the upper suspension triangle plate 202 that is located at the front pull-plate frame 201 upper end and the lower end, the lower suspension triangle plate 203, hinged on the upper suspension triangle plate 202 and the middle The upper hanging rear pull plate 204 between the gearbox 16 rear ends is formed. The top of the stubble removal gear transmission box 7 is provided with an oil filling hole 41, the bottom is provided with an oil discharge hole 42, and the end surface near the ground is provided with an anti-wear plate 43. The top of the rotary tillage gear transmission box 28 is provided with an oil filling hole 44, the bottom is provided with an oil discharge hole 45, and the end surface near the ground is provided with a wear plate 46.

Working principle: the input main shaft 23 of the intermediate gearbox 16 is driven by the power source to rotate, and the power is transmitted to the second output shaft 18 and the third output shaft 13 through the active and passive bevel gears 22 and 15, and the second output shaft 18 and the third output shaft 13 Drive the active transmission gear 24,11 of rotary tillage gear transmission box 28 and stubble removal gear transmission box 7 to rotate respectively, and active transmission gear 24,11 drives passive transmission gear 27,8 to rotate through corresponding intermediate transmission gear 25,10 again, and then drives The rotary tillage shaft 31 and the stubble removal shaft 3 are rotated to realize the rotary tillage and stubble removal operations, while the ridging device moves forward with the frame 1 to realize the ridging operation on the land after stubble removal and rotary tillage.

Example 2

In this embodiment, the gear modulus of the driving bevel gear 22 and the driven bevel gear 15 of the intermediate gearbox 16 is 8, and the gear ratio of the driving bevel gear 22 and the driven bevel gear 15 is 15:23 or 15:24 Or 15:25 or 14:26 or 13:28; the gear modulus of the active transmission gear 11, the intermediate transmission gear 10, and the passive transmission gear 8 of the stubble removal gear transmission box 7 is 8 and the active transmission gear 11, the intermediate transmission gear 10 and the gear ratio of the passive transmission gear 8 is 19:31:13; the gear modulus of the driving transmission gear 24, the intermediate transmission gear 25, and the passive transmission gear 27 of the rotary tillage gear transmission box 28 is 8 and the driving transmission gear 24. The gear ratio of the intermediate transmission gear 25 and the passive transmission gear 27 is 13:31:19. Others are the same as embodiment 1.

Claims (10)

1. a kind of shaft type combined soil preparing machine, including frame, the hanger bracket above frame front, is sequentially arranged from front to back Stubble-clearing device below frame, rotary cultivator attachment and ridger, stubble-clearing device and rotary cultivator attachment and power source are coupled together Actuating device it is characterised in that: described stubble-clearing device is by stubble-cleaning axis, the stubble-cleaning that is evenly arranged along stubble-cleaning axis length direction Cutterhead, the blade for cleaning stubble on stubble-cleaning cutterhead, located at stubble-cleaning axis one end and using stubble-cleaning in frame for the bearings even Spindle, located at the stubble-cleaning axis other end and using bearings in frame stubble-cleaning splined shaft composition；Described rotary cultivator attachment by Rotary tillage axis, the rotary tillage cutter holder being evenly arranged along rotary tillage axis length direction, the Rotary tillage blade on rotary tillage cutter holder, located at rotation Cultivated axis one end using rotary tillage connecting shaft in frame for the bearings, located at the rotary tillage axis other end and utilize bearings Rotary tillage splined shaft composition in frame；Described actuating device includes middle gearbox above frame, is respectively arranged on machine The stubble-cleaning gear of frame both sides and rotary tillage gear, described middle gearbox by casing, entering spindle, located at input Driving bevel gear on main shaft, output shaft, the passive bevel gear engaging with driving bevel gear on output shaft, bearing assembly Composition, output two axle that described output shaft is overlapped by axial line and output three axles form, described output two axles and output three axles Two ends are all set to spline shaft and both opposite ends and utilize spline housing to connect, described output two axles away from exporting three axle heads It is connected with the active travelling gear of rotary tillage gear using spline shaft, the passive transmission of described rotary tillage gear Gear is connected with the rotary tillage splined shaft of rotary cultivator attachment, described output three axles away from export two axle heads using spline shaft with go out The active travelling gear of stubble gear is connected, and the passive transmitting gear of described stubble-cleaning gear is gone out with stubble-clearing device Stubble splined shaft is connected.

2. shaft type combined soil preparing machine according to claim 1 it is characterised in that: the active umbrella tooth of described middle gearbox The module of wheel and passive bevel gear is 10, and the number of teeth proportioning of driving bevel gear and passive bevel gear is 19:21 or 18:22 Or 17:23 or 16:24 or 15:25；Described stubble-cleaning gear is by casing, active travelling gear, intermediate propeller shaft, middle biography Moving gear, passive transmitting gear and bearing assembly composition, the active travelling gear of described stubble-cleaning gear, intermediate transmission Gear, the module of passive transmitting gear are 10 and the tooth of active travelling gear, intermediate drive gear and passive transmitting gear Number proportioning is 18:31:18；Described rotary tillage gear is by casing, active travelling gear, intermediate propeller shaft, intermediate transmission tooth Wheel, passive transmitting gear and bearing assembly composition, the active travelling gear of described rotary tillage gear, intermediate transmission tooth Wheel, the module of passive transmitting gear are 10 and the number of teeth of active travelling gear, intermediate drive gear and passive transmitting gear Proportioning is 12:31:24.

3. shaft type combined soil preparing machine according to claim 1 it is characterised in that: the active umbrella tooth of described middle gearbox The module of wheel and passive bevel gear is 8, and the number of teeth proportioning of driving bevel gear and passive bevel gear is 15:23 or 15:24 Or 15:25 or 14:26 or 13:28；Described stubble-cleaning gear is by casing, active travelling gear, intermediate propeller shaft, middle biography Moving gear, passive transmitting gear and bearing assembly composition, the active travelling gear of described stubble-cleaning gear, intermediate transmission Gear, the module of passive transmitting gear are 8 and the number of teeth of active travelling gear, intermediate drive gear and passive transmitting gear Proportioning is 19:31:13；Described rotary tillage gear by casing, active travelling gear, intermediate propeller shaft, intermediate drive gear, Passive transmitting gear and bearing assembly composition, the active travelling gear of described rotary tillage gear, intermediate drive gear, quilt The module of nutating gear is 8 and the number of teeth proportioning of active travelling gear, intermediate drive gear and passive transmitting gear is 13:31:19.

4. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described output two axles outside be provided with one The two axle protection cylinders that end is connected with middle gearbox, the other end is connected with rotary tillage gear, the outside of described output three axle It is provided with the three axle protection cylinders that one end is connected, the other end is connected with stubble-cleaning gear with middle gearbox.

5. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described stubble-cleaning axis, rotary tillage axis with Output two axle of middle gearbox is parallel with output three axles, described stubble-cleaning axis, rotary tillage axis, output two axle of middle gearbox Vertical with the entering spindle of middle gearbox with exporting three axles.

6. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described frame is by front-axle beam, the back rest, welding In the side plate between forward and backward beam corresponding end, be welded in the middle part of forward and backward beam between gripper shoe composition, described middle gearbox It is arranged in gripper shoe, described stubble-cleaning gear equal with the distance of stubble-cleaning gear and rotary tillage gear It is in tilted layout respectively on the side plate of frame both sides with rotary tillage gear and incline direction is contrary, described ridger passes through Furrower connecting seat is fixed on the back rest of frame.

7. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described middle gearbox, stubble-cleaning gear The casing of transmission case and rotary tillage gear is steel plate seam structure.

8. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described stubble-cleaning axis and rotary tillage axis are equal For hollow axle, the two ends of described stubble-cleaning axis are connected with stubble-cleaning connecting shaft and stubble-cleaning splined shaft respectively using ring flange, institute The two ends stating rotary tillage axis are connected with rotary tillage connecting shaft and rotary tillage splined shaft respectively using ring flange, and described ring flange connects Position is provided with anti-debris protective cover.

9. shaft type combined soil preparing machine according to claim 1 it is characterised in that: described ridger by with rotary tillage axis Parallel ridging plow beam, along the furrower beam length direction furrower seat being evenly arranged, the furrower being fixed on furrower seat Hook and the earth separation plate being fixed on furrower hook form.

10. shaft type combined soil preparing machine according to claim 1 it is characterised in that: the bearing of employing be self-aligning bearing, axle Hold oil sealing to be skeleton, do not grind shafting oil envelope.