CN110731183A - straw crushing and returning machine - Google Patents

Abstract

The invention discloses a straw smashing and returning machine which is connected to a tractor in a hanging mode and comprises a rack, a suspension frame group, a supporting mechanism, a transmission mechanism and a cutting mechanism, wherein the rack is provided with an open inner space, the suspension frame group is installed on the rack, the rack is connected with the tractor through the suspension frame group, the supporting mechanism is connected with the rack, the supporting mechanism moves along with the tractor when the supporting rack is higher than the ground, the transmission mechanism is installed at the top of the rack and is in transmission connection with a power output shaft of the tractor, the cutting mechanism comprises a cutter disc group and a second cutter disc group with the rotating radius smaller than that of a cutter disc group, the cutter disc group and the second cutter disc group are respectively arranged on two sides of the inner space, and the cutter disc group and the second cutter disc group are in transmission connection with the transmission mechanism.

Description

straw crushing and returning machine

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to an straw crushing and returning machine.

Background

The straw crushing and returning machine has the advantages of high working efficiency and low energy consumption, and is widely applied to in the process of crushing and returning the straws to the field.

However, in the current planting mode of large-scale cotton planting in which film six rows are picked by a machine, the planting distance must be 66+10cm, and the original straw crushing and returning machine mainly aims at the non-machine-picked cotton planting mode, such as a row spacing planting method of 20mm +40mm, and cannot meet the agricultural requirement of film six rows of the existing machine-picked cotton.

Therefore, it is an urgent need to solve the problems of the art to provide straw crushing and returning machines suitable for the film six-row planting mode of mechanically harvested cotton.

Disclosure of Invention

In view of the above, the present invention provides straw shredding and returning machines, which aims to solve of the above technical problems in the prior art at least at degree.

In order to achieve the purpose, the invention adopts the following technical scheme:

straw crushing and returning machine, which is hung on a tractor, comprises a frame, a suspension bracket group, a supporting mechanism, a transmission mechanism and a cutting mechanism,

the housing has an open interior space;

the suspension bracket group is arranged on the frame, and the frame is connected with the tractor through the suspension bracket group;

the supporting mechanism is connected with the frame and supports the frame to move along with the tractor above the ground;

the transmission mechanism is arranged at the top of the frame and is in transmission connection with a power output shaft of the tractor;

the cutting mechanism comprises an cutter disc group and a second cutter disc group with a rotating radius smaller than that of the cutter disc group, the cutter disc group and the second cutter disc group are respectively arranged on two sides of the inner space, and the cutter disc group and the second cutter disc group are in transmission connection with the transmission mechanism.

By adopting the scheme, the invention has the beneficial effects that:

the frame is hung by the tractor and is drawn, the power output shaft and the drive mechanism transmission of tractor are connected, drive cutting mechanism rotates, during the operation, the tractor drags the frame when advancing along the cotton stalk, th blade disc group and second blade disc group rotate at a high speed, smash the straw and throw out the frame outside, the radius of rotation of th blade disc group and second blade disc group is different, th blade disc group cuts four rows, the cutting of second blade disc group is two rows still, times can smash the cotton stalk of membrane six rows, be applicable to the planting mode of machine mining cotton membrane six rows, work efficiency and crushing quality have been improved.

, the frame includes an upper guard plate and side guard plates circumferentially distributed along the upper guard plate, and the upper guard plate is connected with the side guard plates through bolts.

Adopt the above-mentioned technical scheme who advances step to produce beneficial effect is, adopt bolted connection between upper guard plate and the side guard plate, be convenient for dismantle and to the change of the side guard plate that receives the degree of wear to be big.

, the transmission mechanism comprises a cutterhead group transmission part, a second cutterhead group transmission part and a coupling,

the cutter disc group is in transmission connection with the cutter disc group transmission part, the second cutter disc group is in transmission connection with the second cutter disc group transmission part, the cutter disc group transmission part and the second cutter disc group transmission part are both fixed on the upper protection plate, the cutter disc group transmission part and the second cutter disc group transmission part are connected into a whole through the coupling, and the whole is L-shaped.

, the cutterhead group transmission part comprises a cutterhead group fixing seat, a bearing seat, a gear box, a clutch group and a power input shaft,

the th cutterhead group fixing seat is fixed on the upper protection plate, the th bearing seat is installed on the th cutterhead group fixing seat close to the side of the suspension frame group, the th gear box is installed on the other side of the th cutterhead group fixing seat, the th gear box lower part is in transmission connection with the th cutterhead group, the th clutch group is installed between the th bearing seat and the th gear box, the th clutch group is in transmission connection with the th gear box, the power input shaft penetrates through the th clutch group, the th end of the power input shaft is installed on the th bearing seat and is in transmission connection with the power output shaft through a coupler, and the other end of the power input shaft is in transmission connection with the th gear box;

the second cutter head group transmission part comprises a second cutter head group fixing seat, a second bearing seat, a second gear box and a second clutch group, the second cutter head group fixing seat is fixed on the upper protection plate, the second bearing seat is installed on the side, close to the gear box , of the second cutter head group fixing seat, the second gear box is installed on the other side of the second cutter head group fixing seat, and the lower part of the second gear box is in transmission connection with the second cutter head group;

the end of the coupling is in transmission connection with the gearbox, and the end of the coupling is in transmission connection with the second clutch group through the second bearing seat.

, the gear box comprises a gear box body, a spiral bevel gear, a second spiral bevel gear, a third spiral bevel gear, a output shaft and a second output shaft,

the gear box body is arranged on the cutter disc group fixing seat, the 0 spiral bevel gear is in transmission connection with the power input shaft, the 1 spiral bevel gear, the second spiral bevel gear and the third spiral bevel gear are all arranged inside the 2 gear box body and are both meshed with the spiral bevel gear, the end of the output shaft is in transmission connection with the second spiral bevel gear, the other end of the output shaft is in transmission connection with the shaft connector, the end of the second output shaft is in transmission connection with the third spiral bevel gear, and the other end of the second output shaft is in transmission connection with the cutter disc group;

the second gearbox comprises a second gearbox body, an th input shaft, a fourth spiral bevel gear, a fifth spiral bevel gear and a third output shaft,

the second gear box body is arranged on the second cutter head group fixing seat, the th input shaft is in transmission connection with the end of the coupling , the fourth spiral bevel gear and the fifth spiral bevel gear are both arranged inside the second gear box body and fixed on the th input shaft, the fifth spiral bevel gear is meshed with the fourth spiral bevel gear, the end of the third output shaft is in transmission connection with the fourth spiral bevel gear, and the other end of the third output shaft is in transmission connection with the second cutter head group.

The technical scheme of advancing steps has the advantages that the power output shaft of the tractor is directly in transmission connection with the cutterhead group transmission part to drive the cutterhead group to rotate, power is transmitted to the second cutterhead group transmission part from the cutterhead group transmission part through the coupling to drive the second cutterhead group to rotate, the power is controlled by power inputs, the continuity of the transmission process is guaranteed, and the transmission is reliable and stable.

, the suspension bracket group comprises a fixed bracket, a second fixed bracket, a suspended beam, a second suspended beam, a connecting column, a fixed part, a second fixed part, a pulling cable and a second pulling cable,

the th fixed frame and the second fixed frame are relatively installed on the front end face of the upper protection plate on the cutterhead group transmission part side, the end of the th suspension beam is movably connected with the 3 th fixed frame, the end of the second suspension beam is movably connected with the second fixed frame, the other end of the th suspension beam is connected with the other end of the second suspension beam through the connecting column, the fixing piece and the second fixing piece are both arranged on the upper protection plate, the th fixing piece and the second fixing piece are distributed on two sides of the cutterhead group transmission part, the end of the 0 th guy cable is fixed on the fixing piece, the end of the second guy cable is fixed on the second fixing piece, and the body of the th fixing piece and the end of the second 3927 are connected and fixed on the connecting column.

, the fixing frame comprises a th hollow fixing frame, a th connecting plate and a th rotating shaft,

the hollow fixed frame is fixed on the upper guard board close to the tractor , the suspension beam end is fixedly connected with the connecting plate, and the connecting plate is movably arranged in the hollow fixed frame through the rotating shaft;

the second fixing frame comprises a second hollow fixing frame, a second connecting plate and a second rotating shaft, the second hollow fixing frame is fixed on the side, close to the tractor , of the upper protection plate, the horizontal distance between the second hollow fixing frame and the hollow fixing frame is larger than the width of the cutterhead group fixing seat, the end of the second suspension beam is fixedly connected with the second connecting plate, and the second connecting plate is movably arranged inside the second hollow fixing frame through the second rotating shaft.

The technical scheme of steps has the advantages that the rack is reliably hung and connected with a tractor hanger through the suspension frame set, the stress is uniform, the vibration is avoided, the operation is stable, and the suspension frame set is arranged on the front end face of the cutter head set transmission part side and is not fixed in the middle of the rack so as to balance the influences of different air flows generated when the cutter head set and the second cutter head set rotate at high speed and have different sizes and weights.

, the supporting mechanism comprises a frame beam, a second frame beam, a third frame beam, a fourth frame beam, a fifth frame beam, a sixth frame beam, a supporting wheel, a supporting wheel bracket, a supporting wheel bracket hinge shaft, a second supporting wheel bracket and a second supporting wheel bracket hinge shaft,

the frame beam, the second frame beam, the third frame beam, the fourth frame beam, the fifth frame beam and the sixth frame beam are all fixed on the upper guard plate, the support wheel bracket is arranged behind the side of the upper guard plate close to the side of the cutterhead group transmission part, the second support wheel bracket is arranged on the side of the side guard plate close to the side of the second cutterhead group transmission part, and the diameter of the support wheel is larger than that of the second support wheel;

the second rack beam and the second rack beam are distributed on two sides of the transmission part of the cutter head group in parallel along the length direction, the end of the 0 rack beam is connected with the hollow fixed frame of the 2, the end of the 3 rack beam is connected with the end of the third rack beam , the end of the third rack beam extends out of the upper guard plate and is connected with the support bracket of the th support wheel through the hinge shaft of the support bracket of the th support wheel, the end of the second rack beam is connected with the hollow fixed frame of the second rack beam , the end of the second rack beam is connected with the sixth rack beam, the end of the fourth rack beam is connected with the third rack beam, the end of the fourth rack beam is connected with the sixth rack beam, the end of the fifth rack beam is connected with the second rack beam, the end of the fifth rack beam extends out of the upper guard plate and is fixedly mounted on the support bracket of the second support wheel 3527, and the support wheel is mounted on the support bracket of the second support wheel.

The technical scheme of steps has the advantages that the support wheel is located behind the cutterhead group, the second support wheel is located on the side face of the second cutterhead group, the second support wheel is used for supporting the second cutterhead group to keep the frame balanced, the support wheel is located behind the cutterhead group and not only has the function of supporting the frame, but also can adjust the height of the cutterhead group and the second cutterhead group along with the fluctuation of the ground according to the fluctuation and shape profiling of the uneven ground, so that the root insertion height of the cut cotton stalks is reduced, the diameter of the support wheel is larger than that of the second support wheel, when a tractor is hung on a traction tractor, the two support wheels are in contact with the ground, the cutterhead group is not horizontal to the ground, the front end of the tractor is inclined downwards, and the included angle between the cutterhead group and the cotton stalks is about 87 degrees, so that the cutting resistance can be reduced, and the stalk cutting rate can be improved.

, the th cutter group comprises a 0 th cutter head, three 1 th movable cutter groups and a 2 th fixed cutter, the 3 th cutter head is mounted on the second output shaft, the three 4 th movable cutter groups are uniformly arranged along the circumferential direction of the th cutter head, each th movable cutter group comprises two spaced th movable cutters, the two th movable cutters are parallel to the th cutter head, the th fixed cutter is horizontally fixed on the inner wall of a side guard plate, and the th fixed cutter extending end is positioned between the two th movable cutters;

the second cutter disc group comprises a second cutter disc, three second movable cutter groups and a second fixed cutter, and the second cutter disc is arranged on the third output shaft; the three second movable cutter groups are uniformly arranged along the circumferential direction of the second cutter disc, each second movable cutter group comprises two second movable cutters which are spaced from each other, and the two second movable cutters are parallel to the second cutter disc; the second fixed knife is horizontally fixed on the inner wall of the side guard plate, and the extending end of the second fixed knife is positioned between the two second movable knives.

Adopt the above-mentioned technical scheme who advances step to produce the beneficial effect is, move sword and stationary knife and mutually support, the straw is smashed more completely, has improved work efficiency.

, the clutch group comprises a overrunning clutch and a diaphragm clutch, the overrunning clutch is located near the gear box , the overrunning clutch and the diaphragm clutch are connected through bolts to form a body, the second clutch group comprises a second overrunning clutch and a jaw clutch, the second overrunning clutch is located near the second gear box , and the second overrunning clutch and the jaw clutch are connected through bolts to form an body.

The technical scheme of advancing has the advantages that the overrunning clutch and the friction clutch are combined at , when the overrunning clutch protects the th cutterhead or the second cutterhead from rotating at high speed, if the power output shaft of the tractor suddenly decelerates, the th cutterhead or the second cutterhead can be separated from the power output shaft of the tractor, the th gear box or the second gear box is prevented from being damaged, and the friction clutch (the diaphragm clutch and the jaw clutch) plays a role in overload protection of the cutting mechanism and the transmission mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of an straw chopper provided by the invention;

FIG. 2 is a schematic view of the bottom structure of the straw chopper of the present invention;

FIG. 3 is a schematic diagram of the overall structure of the transmission mechanism provided by the present invention;

FIG. 4 is a cross-sectional view of a th gearbox provided in accordance with the present invention;

FIG. 5 is a cross-sectional view of a second gearbox provided in accordance with the present invention;

FIG. 6 is a schematic diagram of the overall structure of the support mechanism provided by the present invention;

FIG. 7 is a schematic structural view of a front view of an straw crushing and returning machine provided by the invention.

In the figure:

1-a frame, 2-a suspension group, 3-a supporting mechanism, 4-a transmission mechanism and 5-a cutting mechanism;

51- th and 52-second disc set;

11-upper guard plate, 12-side guard plate;

41- cutter head group transmission part, 42-second cutter head group transmission part and 43-coupling;

411- th cutterhead group fixing seat, 412 st bearing seat, 413 th gear box, 414 st clutch group and 415 power input shaft;

421 a second cutter head group fixing seat, 422 a second bearing seat, 423 a second gear box and 424 a second clutch group;

4131 th gear box, 4132 th th spiral bevel gear, 4133 second spiral bevel gear, 4134 third spiral bevel gear, 4135 th th output shaft, 4136 second output shaft;

4231 a second gearbox, 4232 an th input shaft, 4233 a fourth spiral bevel gear, 4234 a fifth spiral bevel gear, and 4235 a third output shaft;

the device comprises a 21 st fixing frame, a 22 nd fixing frame, a 23 st suspension beam, a 24 th suspension beam, a 25 th connecting column, a 26 th fixing frame, a 27 th fixing frame, a 28 st pulling rope and a 29 th pulling rope;

31 st frame rail, 32 nd frame rail, 33 rd frame rail, 34 th fourth frame rail, 35 th frame rail, 36 sixth frame rail, 37 st support wheel, 38 st support wheel bracket, 39 st support wheel bracket hinge axis, 310 second support wheel, 311 second support wheel bracket, 312 second support wheel bracket hinge axis;

511, th cutter head, 512, th movable cutter group and 513, th fixed cutter;

521 second cutter disc, 522 second movable cutter group, 523 second fixed cutter.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Thus, a feature defined as "", "second" may explicitly or implicitly include or more of that feature.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like shall be understood as , for example, either fixedly connected, detachably connected, or integrally, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, communicating between two elements, or interacting between two elements.

In the present invention, unless expressly stated or limited otherwise, "above" or "below" a second feature includes features directly contacting the second feature and may also include features directly contacting the second feature but through another feature in between, further, features "above", "over" and "above" the second feature includes features directly above and obliquely above the second feature or merely means that the feature is at a higher level than the second feature, features "below", "beneath" and "beneath" the second feature includes features directly below and obliquely below the second feature, or merely means that the feature is at a lower level than the second feature.

As shown in figures 1-7, the embodiment of the invention discloses an kinds of straw crushing returning machine, which is hung on a tractor and is characterized by comprising a frame 1, a suspension bracket group 2, a supporting mechanism 3, a transmission mechanism 4 and a cutting mechanism 5,

the machine frame 1 is provided with an open inner space, the suspension bracket group 2 is installed on the machine frame 1, the machine frame 1 is connected with a tractor through the suspension bracket group 2, the supporting mechanism 3 is connected with the machine frame 1, the supporting mechanism supports the machine frame 1 to move along the tractor above the ground, the transmission mechanism 4 is installed on the top of the machine frame 1, the transmission mechanism 4 is in transmission connection with a power output shaft of the tractor, the cutting mechanism 5 comprises a cutter disc group 51 and a second cutter disc group 52 with a smaller rotating radius than that of a cutter disc group 51, a cutter disc group 51 and the second cutter disc group 52 are respectively arranged on two sides of the inner space, a cutter disc group 51 and the second cutter disc group 52 are in transmission connection with the transmission mechanism 4, the machine frame 1 is suspended and pulled by the tractor, the power output shaft of the tractor is in transmission connection with the transmission mechanism 4 to drive the cutting mechanism 5 to rotate, during operation, the tractor machine frame 1 pulls the cotton stalks forwards along the cotton stalks, the cutter disc group 51 and the second cutter disc group 52 rotate at a high speed to crush and throw the straws out of the machine frame 1, the cotton stalks, the sixth cutter disc group 51 and the cotton stalks are not rotated at the rotating radius, the cotton stalk crushing cutter disc group 52, the cotton.

Specifically, the frame 1 includes an upper guard plate 11 and side guard plates 12 distributed along the circumferential direction of the upper guard plate 11, and the upper guard plate 11 is connected with the side guard plates 12 through bolts.

Specifically, the transmission mechanism 4 comprises an th cutter head group transmission part 41, a second cutter head group transmission part 42 and a coupling 43,

the cutter disc group 51 is in transmission connection with the cutter disc group transmission part 41, the 52 second cutter disc group is in transmission connection with the 42 second cutter disc group transmission part, the cutter disc group transmission part 41 and the 42 second cutter disc group transmission part are both fixed on the upper protection plate 11, the cutter disc group transmission part 41 and the 42 second cutter disc group transmission part are connected into a whole through the coupler 43, and the whole is L-shaped.

Specifically, the th disc group transmission part 41 comprises a th disc group fixing seat 411, a th bearing seat 412, a th gear box 413, a th clutch group 414 and a power input shaft 415,

the cutter disc group fixing seat 411 is fixed on the upper protection plate 11, the bearing seat 412 is arranged on the 0 cutter disc group fixing seat 411 close to the side of the suspension frame group 2 1, the 2 gear box 413 is arranged on the 4 side of the 3 cutter disc group fixing seat 411, the lower part of the 5 gear box 413 is in transmission connection with the 6 cutter disc group 51, the 7 clutch group 414 is arranged between the 8 bearing seat 412 and the gear box 413, the clutch group 414 is in transmission connection with the gear box 413, the power input shaft 415 penetrates through the clutch group 414, the end of the power input shaft is arranged on the bearing seat 412 and is in transmission connection with the power output shaft 415 through a coupler, and the end of the power input shaft is in transmission connection with the gear box 413;

the second cutter head group transmission part 42 comprises a second cutter head group fixing seat 421, a second bearing seat 422, a second gear box 423 and a second clutch group 424, the second cutter head group fixing seat 421 is fixed on the upper protection plate 11, the second bearing seat 422 is arranged on the second cutter head group fixing seat 421 close to the 413 side of the gear box 413 , the second gear box 423 is arranged on the other side of the second cutter head group fixing seat 421, the lower part of the second gear box 423 is in transmission connection with the second cutter head group 52, the second clutch group 424 is arranged between the second bearing seat 422 and the second gear box 423, and the second clutch group 424 is in transmission connection with the second gear box 423;

the end of the coupling 43 is drivingly connected to the gearbox 413, and the other end of the coupling 43 is drivingly connected to the second clutch pack 424 through the second bearing block 422.

Specifically, the th gear box 413 includes a th gear box 4131, a th spiral bevel gear 4132, a second spiral bevel gear 4133, a third spiral bevel gear 4134, a th output shaft 4135, and a second output shaft 4136,

the gear box 4131 is arranged on the cutterhead group fixing seat 411, the 0 spiral bevel gear 4132 is in transmission connection with the power input shaft 415, the 1 spiral bevel gear 4132, the second spiral bevel gear 4133 and the third spiral bevel gear 4134 are all arranged inside the 2 gear box 4131, the second spiral bevel gear 4133 and the third spiral bevel gear 4134 are all meshed with the spiral bevel gear 4132, the output shaft 4135 end is in transmission connection with the second spiral bevel gear 4132, the output shaft 4135 and the other end are in transmission connection with the shaft connector 43, the second output shaft 4136 end is in transmission connection with the third spiral bevel gear 4134, and the other end of the second output shaft 4136 is in transmission connection with the cutterhead group 51;

the second gear box 423 includes a second gear box 4231, an input shaft 4232, a fourth spiral bevel gear 4233, a fifth spiral bevel gear 4234 and a third output shaft 4235,

the second gear box 4231 is arranged on the second cutter head group fixing seat 421, the input shaft 4232 is in transmission connection with the end of the coupling 43 , the fourth spiral bevel gear 4233 and the fifth spiral bevel gear 4234 are both arranged inside the second gear box 4231, the fourth spiral bevel gear 4233 is fixed on the input shaft 4232, the fifth spiral bevel gear 4234 is meshed with the fourth spiral bevel gear 4233, the end of the third output shaft 4235 is in transmission connection with the fourth spiral bevel gear 4233, and the other end of the third output shaft 4235 is in transmission connection with the second cutter head group 52.

Specifically, the suspension bracket group 2 comprises an th fixing bracket 21, a 22 th fixing bracket, a th suspension beam 23, a 24 th suspension beam, a connecting column 25, a th fixing bracket 26, a 27 th fixing bracket, a th pull cable 28 and a 29 th pull cable,

the fixed frame 21 and the second fixed frame 22 are oppositely arranged on the front end face of the upper protection plate 11 on the side of the cutterhead group transmission part 41 0, the 2 end of the 1 suspension beam 23 is movably connected with the 3 fixed frame 21, the 4 end of the second suspension beam 24 is movably connected with the second fixed frame 27, the 6 end of the 5 suspension beam 23 is connected with the 7 end of the second suspension beam 24 through the connecting column 25, the 8 fixed piece 26 and the second fixed piece 27 are both arranged on the upper protection plate 11, the 9 fixed piece 26 and the second fixed piece 27 are distributed on two sides of the cutterhead group transmission part 41, the end of the 0 pulling cable 28 is fixed on the fixed piece 26, the end of the second pulling cable 29 is fixed on the second fixed piece 27, and the end of the pulling cable 28 and the end of the second pulling cable 29 are connected to form a body fixed on the connecting column 25.

Specifically, the th fixing frame 21 comprises a th hollow fixing frame, a th connecting plate and a th rotating shaft,

the hollow fixed frame is fixed on the upper guard plate 11 near the tractor , the suspension beam 23 end is fixedly connected with the connecting plate, the connecting plate is movably arranged in the hollow fixed frame through the rotating shaft;

the second fixing frame 22 comprises a second hollow fixing frame, a second connecting plate and a second rotating shaft, the second hollow fixing frame is fixed on the side, close to the tractor , of the upper protection plate 11, the horizontal distance between the second hollow fixing frame and the is larger than the width of the cutterhead set fixing seat 411, the end of the second suspension beam 24 is fixedly connected with the second connecting plate, and the second connecting plate is movably arranged inside the second hollow fixing frame through the second rotating shaft.

Specifically, the supporting mechanism 3 comprises th frame beam 31, second frame beam 32, third frame beam 33, fourth frame beam 34, fifth frame beam 35, sixth frame beam 36, th supporting wheel 37, th supporting wheel bracket 38, th supporting wheel bracket hinge shaft 39, second supporting wheel 310, second supporting wheel bracket 311 and second supporting wheel bracket hinge shaft 312,

the rack beam 31, the second rack beam 32, the third rack beam 33, the fourth rack beam 34, the fifth rack beam 35 and the sixth rack beam 36 are all fixed on the upper guard plate 11, the supporting wheel bracket 38 is arranged at the rear of the side guard plate 11 close to the 41 side of the cutterhead group transmission part 41, the second supporting wheel bracket 311 is arranged at the side guard plate 12 close to the 42 side of the second cutterhead group transmission part 42, the diameter of the supporting wheel 37 is larger than that of the second supporting wheel 310;

the frame beam 31 and the second frame beam 32 are distributed on two sides of the cutterhead group transmission part 41 in parallel along the length direction, the 0 frame beam 31 end is connected with the 2 hollow fixed frame, the 3 frame beam 31 other end is connected with the end of the third frame beam 33, the third frame beam 33 other end extends out of the upper guard plate 11 and is connected with the support wheel bracket 38 through the support wheel bracket hinge shaft 39, the second frame beam 32 end is connected with the second hollow fixed frame, the second frame beam 32 other end is connected with the sixth frame beam 36, the fourth frame beam 34 end is connected with the third frame beam 33, the fourth frame beam 34 other end is connected with the sixth frame beam 36, the fifth frame beam 35 end end is connected with the second frame beam 32, the fifth frame beam 35 end extends out of the other 6 frame beam and is fixed on the second frame beam 3527 support wheel bracket 33 through the second support wheel bracket hinge shaft 3511, and is fixed on the second frame beam 33 support wheel bracket 36311, and the fifth frame beam 35 support wheel bracket 9 end is fixed on the second frame beam 36311.

Specifically, the cutter head group 51 comprises a cutter head 511, three 0 movable cutter groups 512 and a 1 fixed cutter 513, the 2 cutter head 51 is mounted on a second output shaft 4136, the three 3 movable cutter groups 512 are uniformly arranged along the circumferential direction of the cutter head 511, each movable cutter group 512 comprises two spaced movable cutters, the two movable cutters are parallel to the cutter head 511, the fixed cutter 513 is horizontally fixed on the inner wall of the side guard plate 12, and the extension end of the fixed cutter 513 is positioned between the two movable cutters;

the second cutter disc group 52 comprises a second cutter disc 521, three second movable cutter groups 522 and a second fixed cutter 523, and the second cutter disc 521 is mounted on a third output shaft 4235; the three second movable cutter groups 522 are uniformly arranged along the circumferential direction of the second cutter head 521, each second movable cutter group 522 comprises two second movable cutters which are spaced from each other, and the two second movable cutters are parallel to the second cutter head 521; the second fixed blade 523 is horizontally fixed on the inner wall of the side guard plate 12, and the extending end of the second fixed blade 523 is located between the two second moving blades.

Specifically, the -th clutch group 414 comprises a -th overrunning clutch and a diaphragm clutch, the -th overrunning clutch is located on the side close to the -th gearbox 413 , and the -th overrunning clutch and the diaphragm clutch are connected into a body through bolts, and the second clutch group 424 comprises a second overrunning clutch and a jaw clutch, the second overrunning clutch is located on the side close to the 423 -th gearbox, and the second overrunning clutch and the jaw clutch are connected into a body through bolts.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Claims (10)

1, kinds of straw crushing and returning machine which is hung on a tractor and is characterized by comprising a frame (1), a suspension bracket group (2), a supporting mechanism (3), a transmission mechanism (4) and a cutting mechanism (5),

the frame (1) has an open interior space;

the suspension frame group (2) is arranged at the upper part of the rack (1), and the rack (1) is connected with the tractor through the suspension frame group (2);

the supporting mechanism (3) is connected with the rack (1) and supports the rack (1) to move along with the tractor above the ground;

the transmission mechanism (4) is installed at the top of the rack (1), and the transmission mechanism (4) is in transmission connection with a power output shaft of the tractor;

the cutting mechanism (5) comprises an -th cutter disc group (51) and a second cutter disc group (52) with a smaller rotating radius than the -th cutter disc group (51), the -th cutter disc group (51) and the second cutter disc group (52) are respectively arranged on two sides of the inner space, and the -th cutter disc group (51) and the second cutter disc group (52) are in transmission connection with the transmission mechanism (4).

2. The straw chopper as claimed in claim 1, wherein the frame (1) comprises an upper guard plate (11) and side guard plates (12) distributed along the circumference of the upper guard plate (11), and the upper guard plate (11) and the side guard plates (12) are connected by bolts.

3. The straw chopper as claimed in claim 2, wherein the transmission mechanism (4) includes a disk group transmission part (41), a second disk group transmission part (42) and a coupling (43),

the cutter disc group (51) is in transmission connection with the cutter disc group transmission part (41), the second cutter disc group (52) is in transmission connection with the second cutter disc group transmission part (42), the cutter disc group transmission part (41) and the second cutter disc group transmission part (42) are both fixed on the upper protection plate (11), the cutter disc group transmission part (41) and the second cutter disc group transmission part (42) are connected into a whole through the coupling (43), and the whole is L-shaped.

4. The straw chopping and returning machine of claim 3, wherein the cutterhead group transmission part (41) includes a cutterhead group fixing seat (411), a bearing seat (412), a gear box (413), a clutch group (414) and a power input shaft (415),

the th cutterhead group fixing seat (411) is fixed on the upper protection plate (11), the th bearing seat (412) is installed on the th cutterhead group fixing seat (411) close to the side of the suspension group (2), the th gear box (413) is installed on the other side of the th cutterhead group fixing seat (411), the th gear box (413) is in transmission connection with the th cutterhead group (51), the th clutch group (414) is installed between the th bearing seat (412) and the th gear box (413), the th clutch group (414) is in transmission connection with the th gear box (413), the power input shaft (415) penetrates through the th clutch group (414), the end of the power input shaft is installed on the th bearing seat (412) and is in transmission connection with the power output shaft through a coupling, and the end of the is in transmission connection with the 638 th gear box (413);

the second cutter head group transmission part (42) comprises a second cutter head group fixing seat (421), a second bearing seat (422), a second gear box (423) and a second clutch group (424), the second cutter head group fixing seat (421) is fixed on the upper protection plate (11), the second bearing seat (422) is installed on the second cutter head group fixing seat (421) close to the side of the gear box (413), the second gear box (423) is installed on the other side of the second cutter head group fixing seat (421), the lower part of the second gear box (423) is in transmission connection with the second cutter head group (52), the second clutch group (424) is installed between the second bearing seat (422) and the second gear box (423), and the second clutch group (424) is in transmission connection with the second gear box (423);

the end of the coupling (43) is in transmission connection with the gearbox (413), and the other end of the coupling (43) is in transmission connection with the second clutch group (424) through the second bearing seat (422).

5. The straw chopper as claimed in claim 4, wherein the gearbox (413) includes a gearbox housing (4131), a spiral bevel gear (4132), a second spiral bevel gear (4133), a third spiral bevel gear (4134), a output shaft (4135) and a second output shaft (4136),

the gear box body (4131) is arranged on the cutter group fixing seat (411), the 0 spiral bevel gear (4132) is in transmission connection with the power input shaft (415), the 1 spiral bevel gear (4132), the second spiral bevel gear (4133) and the third spiral bevel gear (4134) are arranged inside the gear box body (4131), the second spiral bevel gear (4133) and the third spiral bevel gear (4134) are in meshing engagement with the spiral bevel gear (4132), the output shaft (4135) end is in transmission connection with the second spiral bevel gear (4132), the other end of the output shaft (4135) is in transmission connection with the shaft connector (43), the end of the second output shaft (4136) is in transmission connection with the third spiral bevel gear (4134), and the other end of the second output shaft (4136) is in transmission connection with the second cutter group (51);

the second gear box (423) comprises a second gear box body (4231), a third input shaft (4232), a fourth spiral bevel gear (4233), a fifth spiral bevel gear (4234) and a third output shaft (4235),

the second gear box body (4231) is mounted on the second cutter head group fixing seat (421), the input shaft (4232) of the is in transmission connection with the end of the coupling (43), the fourth spiral bevel gear (4233) and the fifth spiral bevel gear (4234) are both mounted inside the second gear box body (4231), the fourth spiral bevel gear (4233) is fixed on the input shaft (4232) of the , the fifth spiral bevel gear (4234) is meshed with the fourth spiral bevel gear (4233), the end of the third output shaft (4235) is in transmission connection with the fourth spiral bevel gear (4233), and the other end of the third output shaft (4235) is in transmission connection with the second cutter head group (52).

6. The straw chopper as claimed in claim 5, wherein the suspension bracket set (2) includes a fixed bracket (21), a second fixed bracket (22), a suspended beam (23), a second suspended beam (24), a connecting column (25), a fixed member (26), a second fixed member (27), a pulling cable (28) and a second pulling cable (29),

the first fixing frame and the second fixing frame 22 are relatively mounted on the front end face of the upper guard plate 11 on the side of the cutter disc group transmission part 41 , the 2 end of the first suspension beam 1 is movably connected with the first fixing frame 21, the end of the second suspension beam 24 is movably connected with the second fixing frame 27, the other 6 end of the second suspension beam (23) is connected with the other end of the second suspension beam 24 through the connecting column 25, the first fixing part 26 and the second fixing part 27 are both arranged on the upper guard plate 11, the first fixing part 26 and the second fixing part 27 are distributed on two sides of the first cutter disc group transmission part 41, the end of the first 636 fixing part 28 is fixed on the first fixing part , the second 3729 fixing part 4642 end of the second cable is fixed on the second connecting column 3973725 end of the second fixing part 3729, and the end of the second connecting column 4628 is fixed on the second fixing part 3729.

7. The straw chopper as claimed in claim 6, wherein the bracket (21) includes a th hollow fixing frame, a th connecting plate and a th rotation shaft,

the hollow fixed frame is fixed on the upper guard board (11) near the tractor side, the suspension beam (23) end is fixedly connected with the connecting plate, and the connecting plate is movably arranged in the hollow fixed frame through the rotating shaft;

the second fixing frame (22) comprises a second hollow fixing frame, a second connecting plate and a second rotating shaft, the second hollow fixing frame is fixed on the side, close to the tractor , of the upper protection plate (11), the horizontal distance between the second hollow fixing frame and the hollow fixing frame is larger than the width of the cutterhead group fixing seat (411), the end of the second suspension beam (24) is fixedly connected with the second connecting plate, and the second connecting plate is movably arranged inside the second hollow fixing frame through the second rotating shaft.

8. The straw chopping and returning machine of claim 7, wherein the supporting mechanism (3) includes a frame beam (31), a second frame beam (32), a third frame beam (33), a fourth frame beam (34), a fifth frame beam (35), a sixth frame beam (36), a supporting wheel (37), a supporting wheel bracket (38), a supporting wheel bracket hinge shaft (39), a second supporting wheel (310), a second supporting wheel bracket (311), and a second supporting wheel bracket hinge shaft (312),

the rack beam (31), the second rack beam (32), the third rack beam (33), the fourth rack beam (34), the fifth rack beam (35) and the sixth rack beam (36) are all fixed on the upper guard plate (11), the supporting wheel bracket (38) is arranged behind the side, close to the cutter disc group transmission part (41) , of the upper guard plate (11), the second supporting wheel bracket (311) is arranged on the side, close to the second cutter disc group transmission part (42) , of the side guard plate (12), and the diameter of the supporting wheel (37) is larger than that of the second supporting wheel (310);

the second and the second 32 frame beams are distributed on two sides of the cutter head group transmission part (41) in parallel along the length direction, the 0 and the 1 ends of the frame beams are connected with the 2 hollow fixed frame, the 3 and the 3985 ends of the frame beams are connected with the end of the third frame beam (33), the end of the third frame beam (33) extends out of the upper guard plate (11) and is connected with the and the supporting wheel bracket (38) through the hinge shaft (39) of the and the supporting wheel bracket of the sixth frame beam (36), the second 32 and the hollow fixed frame beam ( end of the second frame beam (32) is connected with the second hollow fixed frame beam, the end of the second frame beam (32) is connected with the sixth frame beam (36), the end of the fourth frame beam (34) is connected with the third frame beam (33), the fourth frame beam (34) is fixedly mounted on the supporting wheel bracket (38) through the hinge shaft (35311) of the fifth frame beam (9) and is mounted on the supporting wheel bracket (35) and is connected with the fifth frame beam (3611) and is mounted on the supporting wheel bracket (30) and the fifth frame beam (9) and is mounted on the supporting wheel bracket (30) and the supporting wheel bracket (9) and the fifth frame beam (9) and is mounted on the supporting wheel bracket (9) and 3635) and the fifth frame beam (9) and is mounted on the supporting wheel bracket (9) and ).

9. The straw chopping and returning machine of claim 5, wherein the cutter disc group (51) comprises a 0 th cutter disc (511), three 1 th movable cutter groups (512) and a 2 th fixed cutter group (513), the 3 th cutter disc (51) is mounted on the second output shaft (4136), the three 4 th movable cutter groups (512) are uniformly arranged along the circumferential direction of the cutter disc (511), each th movable cutter group (512) comprises two spaced th movable cutters, the two th movable cutters are parallel to the th cutter disc (511), the th fixed cutter group (513) is horizontally fixed on the inner wall of the side guard plate (12), and the extending end of the th fixed cutter group (513) is located between the two th movable cutters;

the second cutter disc group (52) comprises a second cutter disc (521), three second movable cutter groups (522) and a second fixed cutter (523), and the second cutter disc (521) is mounted on the third output shaft (4235); the three second movable cutter sets (522) are uniformly arranged along the circumferential direction of the second cutter disc (521), each second movable cutter set (522) comprises two second movable cutters which are spaced from each other, and the two second movable cutters are parallel to the second cutter disc (521); the second fixed knife (523) is horizontally fixed on the inner wall of the side guard plate (12), and the extending end of the second fixed knife (523) is positioned between the two second movable knives.

10. The straw chopper as claimed in claim 4, wherein the clutch group (414) includes a overrunning clutch and a diaphragm clutch, the overrunning clutch is located near the gear box (413) side, and the overrunning clutch and the diaphragm clutch are bolted to form a body, and the second clutch group (424) includes a second overrunning clutch and a dog clutch, the second overrunning clutch is located near the second gear box (423) side, and the second overrunning clutch and the dog clutch are bolted to form an body.

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