CN211482049U - Straw crushing and returning machine - Google Patents

Abstract

The utility model discloses a straw crushing and returning machine which is hung on a tractor and comprises a frame, a suspension bracket group, a supporting mechanism, a transmission mechanism and a cutting mechanism, wherein the frame is provided with an open inner 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 the supporting frame moves 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 a first cutter disc group and a second cutter disc group with the rotating radius smaller than that of the first cutter disc group, the first cutter disc group and the second cutter disc group are respectively arranged on two sides of the inner space, and the first cutter disc group and the second cutter disc group are in transmission connection with the transmission mechanism. The utility model discloses the turning radius of first cutterhead group and second cutterhead group is different, and first cutterhead group cuts four lines, and second cutterhead group cuts two lines, once can smash the cotton stalk of returning six lines of a membrane, has improved work efficiency and crushing quality.

Description

Straw crushing and returning machine

Technical Field

The utility model relates to an agricultural equipment technical field, more specifically the utility model relates to a still field machine is smashed to straw that says so.

Background

The straw crushing and returning to the field can improve the farmland soil structure, increase the organic matter content of the soil and prevent the soil from hardening, and is an important process of cotton planting operation. The straw crushing and returning machine has the advantages of high working efficiency and low energy consumption, and is widely applied in the process of crushing and returning straws to fields.

However, in the current planting mode of cotton planting in large scale using machine to pick cotton and film for six rows, the planting distance must be 66+10cm, and the original straw crushing and returning field machine mainly aims at the non-machine picking cotton planting mode, such as the planting method of 20mm +40mm row spacing, and can not meet the agricultural requirements of organic picking cotton and film for six rows.

Therefore, providing a straw crushing and returning machine suitable for a machine-harvested cotton-film six-row planting mode is an urgent problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a straw crushing and returning machine, which aims at solving one of the above technical problems in the prior art to a certain extent at least.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a straw crushing and returning machine is hung on a tractor and 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 a first cutter disc group and a second cutter disc group of which the rotating radius is smaller than that of the first cutter disc group, the first cutter disc group and the second cutter disc group are respectively arranged on two sides of the inner space, and the first cutter disc group and the second cutter disc group are in transmission connection with the transmission mechanism.

Through taking above scheme, the beneficial effects of the utility model are that:

the frame is hung by the tractor and is drawn, the power output shaft of tractor is connected with the drive mechanism transmission, drive cutting mechanism and rotate, during the operation, when the tractor drags the frame to advance along the cotton stalk, first cutterhead group and second cutterhead group rotate at a high speed, smash the straw and throw out the frame outside, the radius of rotation of first cutterhead group and second cutterhead group is different, first cutterhead group cuts four lines, second cutterhead group cuts two lines, can smash the cotton stalk of returning field a membrane six lines once, be applicable to the planting mode of machine-harvested cotton one membrane six lines, improved work efficiency and crushing quality.

Further, the frame comprises an upper protection plate and a side protection plate, and the upper protection plate is connected with the side protection plate through bolts.

Adopt the beneficial effect that above-mentioned further technical scheme produced to be, adopt bolted connection between upper guard plate and the side guard plate, be convenient for dismantle and to the change that receives the big side guard plate of wearing and tearing degree.

Further, the transmission mechanism comprises a first cutter disc group transmission part, a second cutter disc group transmission part and a coupling,

the first cutter disc group is in transmission connection with the first cutter disc group transmission part, and the second cutter disc group is in transmission connection with the second cutter disc group transmission part; the first cutter disc group transmission part and the second cutter disc group transmission part are fixed on the upper protective plate, the first 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.

Further, the first cutter set transmission part comprises a first cutter set fixing seat, a first bearing seat, a first gear box, a first clutch set and a power input shaft,

the first cutter disc group fixing seat is fixed on the upper protection plate; the first bearing seat is arranged on one side, close to the suspension bracket set, of the first cutter head set fixing seat, the first gear box is arranged on the other side of the first cutter head set fixing seat, and the lower portion of the first gear box is in transmission connection with the first cutter head set; the first clutch group is arranged between the first bearing seat and the first gearbox and is in transmission connection with the first gearbox; the power input shaft penetrates through the first clutch group, one end of the power input shaft is arranged on the first 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 first 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 one side, close to the first 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 portion of the second gear box is in transmission connection with the second cutter head group; the second clutch group is arranged between the second bearing seat and the second gear box and is in transmission connection with the second gear box;

one end of the coupling is in transmission connection with the first gear box, and the other end of the coupling is in transmission connection with the second clutch group through the second bearing seat.

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

the first gearbox body is arranged on the first cutter disc group fixing seat; the first spiral bevel gear is in transmission connection with the power input shaft; the first spiral bevel gear, the second spiral bevel gear and the third spiral bevel gear are all arranged inside the first gearbox body, and the second spiral bevel gear and the third spiral bevel gear are all meshed with the first spiral bevel gear; one end of the first output shaft is in transmission connection with the second spiral bevel gear, and the other end of the first output shaft is in transmission connection with the coupling; one 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 first cutter disc group;

the second gearbox comprises a second gearbox body, a first 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 first input shaft is in transmission connection with one end of the coupling; the fourth spiral bevel gear and the fifth spiral bevel gear are both arranged inside the second gearbox body, the fourth spiral bevel gear is fixed on the first input shaft, and the fifth spiral bevel gear is meshed with the fourth spiral bevel gear; one 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 power output shaft of the tractor is directly in transmission connection with the first cutter disc group transmission part to drive the first cutter disc group to rotate; and then the power is transmitted from the first cutter disc group transmission part to the second cutter disc group transmission part through the coupling to drive the second cutter disc group to rotate, and the power is controlled by only one power input, so that the continuity of the transmission process is ensured, and the transmission is reliable and stable.

Further, the suspension frame group comprises a first fixing frame, a second fixing frame, a first suspension beam, a second suspension beam, a connecting column, a first fixing piece, a second fixing piece, a first inhaul cable and a second inhaul cable,

the first fixing frame and the second fixing frame are oppositely arranged on the front end face of the upper protection plate on one side of the first cutter disc group transmission part; one end of the first suspension beam is movably connected with the first fixing frame, one end of the second suspension beam is movably connected with the second fixing frame, and the other end of the first suspension beam is connected with the other end of the second suspension beam through the connecting column; the first fixing piece and the second fixing piece are both arranged on the upper protection plate, and are distributed on two sides of the first cutter disc group transmission part; one end of the first inhaul cable is fixed on the first fixing piece, one end of the second inhaul cable is fixed on the second fixing piece, and the other end of the first inhaul cable and the other end of the second inhaul cable are connected into a whole and fixed on the connecting column.

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

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

The further technical scheme has the advantages that the rack is reliably articulated with the tractor hanging frame through the hanging frame group, the stress is uniform, the vibration is avoided, and the operation is stable; the suspension frame set is arranged on the front end face of one side of the first cutter disc set transmission part and is not fixed in the middle of the frame, so that the influence of different air flows generated when the first cutter disc set and the second cutter disc set rotate at high speed and have different sizes and weights is balanced.

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

the first 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 protection plate, the first supporting wheel support is arranged behind one side, close to the first cutterhead group transmission part, of the upper protection plate, and the second supporting wheel support is arranged on one side, close to the second cutterhead group transmission part, of the side protection plate; the diameter of the first support wheel is larger than that of the second support wheel;

the first rack beam and the second rack beam are distributed on two sides of the first cutter disc group transmission part in parallel along the length direction; one end of the first frame beam is connected with the first hollow fixed frame, the other end of the first frame beam is connected with one end of the third frame beam, the other end of the third frame beam extends out of the upper guard plate and is connected with the first support wheel bracket through the first support wheel bracket hinge shaft, one end of the second frame beam is connected with the second hollow fixed frame, and the other end of the second frame beam is connected with the sixth frame beam; one end of the fourth frame beam is connected with the third frame beam, and the other end of the fourth frame beam is connected with the sixth frame beam; one end of the fifth frame beam is connected with the second frame beam, and the other end of the fifth frame beam extends out of the upper guard plate and is connected with the second supporting wheel bracket through the second supporting wheel bracket hinge shaft; one end of the sixth frame beam is fixed on the third frame beam; the first supporting wheel is arranged on the first supporting wheel bracket, and the second supporting wheel is arranged on the second supporting wheel bracket.

The first supporting wheel is positioned behind the first cutter disc group, the second supporting wheel is positioned on the side surface of the second cutter disc group, and the second supporting wheel is used for supporting the second cutter disc group to keep the frame balanced; the first supporting wheel is arranged behind the first cutterhead group, not only plays a role of supporting the rack, but also can be contoured according to the fluctuation and shape of the uneven ground, so that the heights of the first cutterhead group and the second cutterhead group can be adjusted along with the fluctuation of the ground, and the root cutting heights of the cut cotton stalks are consistent; the diameter of first supporting wheel is greater than the diameter of second supporting wheel, and the tractor is when hanging the traction field machine, and two supporting wheels all contact with ground, and this makes first disc group and ground be not the horizontally, and its front end downward sloping, the contained angle between first disc group and the cotton stalk is about 87 degrees, and then can reduce the cutting resistance, improves the straw rate of cutting up.

Further, the first cutter disc group comprises a first cutter disc, three first movable cutter groups and a first fixed cutter, and the first cutter disc is mounted on the second output shaft; the three first movable cutter groups are uniformly arranged along the circumferential direction of the first cutter head, each first movable cutter group comprises two first movable cutters which are spaced from each other, and the two first movable cutters are parallel to the first cutter head; the first fixed cutter is horizontally fixed on the inner wall of the side guard plate, and the extending end of the first fixed cutter is positioned between the two first 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 beneficial effect that above-mentioned further technical scheme produced to move sword and stationary knife and mutually support, the straw is smashed more completely, has improved work efficiency.

Furthermore, the first clutch group comprises a first overrunning clutch and a diaphragm clutch, the first overrunning clutch is positioned at one side close to the first gear box, and the first overrunning clutch and the diaphragm clutch are connected into a whole through bolts; the second clutch group comprises a second overrunning clutch and a jaw clutch, the second overrunning clutch is located close to one side of the second gear box, and the second overrunning clutch and the jaw clutch are connected into a whole through bolts.

The clutch has the advantages that the clutch is combined with the friction clutch, when the clutch protects the first cutter disc or the second cutter disc from rotating at high speed, if the power output shaft of the tractor suddenly decelerates, the first cutter disc or the second cutter disc can be separated from the power output shaft of the tractor, and the first gear box or the second gear box is prevented from being damaged; the friction clutches (diaphragm clutch and dog clutch) act as overload protection for 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 required to be 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 view of the overall structure of a straw crushing and returning machine provided by the present invention;

FIG. 2 is a schematic view of a straw cutting and returning machine according to 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 sectional view of a first gearbox provided in accordance with the present invention;

fig. 5 is a sectional view of a second gearbox according to the present invention;

fig. 6 is a schematic view of the overall structure of the supporting mechanism provided by the present invention;

FIG. 7 is a schematic view of the straw cutting and returning machine according to the present 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-first and 52-second cutter set;

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

41-a first cutter disc group transmission part, 42-a second cutter disc group transmission part and 43-a coupling;

411-a first cutter set fixing seat, 412 a first bearing seat, 413 a first gear box, 414 a first clutch set and 415 a 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 a first gear box, 4132 a first spiral bevel gear, 4133 a second spiral bevel gear, 4134 a third spiral bevel gear, 4135 a first output shaft, 4136 a second output shaft;

4231 a second gear box, 4232 a first input shaft, 4233 a fourth spiral bevel gear, 4234 a fifth spiral bevel gear and 4235 a third output shaft;

21 a first fixing frame, 22 a second fixing frame, 23 a first suspension beam, 24 a second suspension beam, 25 a connecting column, 26 a first fixing piece, 27 a second fixing piece, 28 a first pull cable and 29 a second pull cable;

31 first frame beam, 32 second frame beam, 33 third frame beam, 34 fourth frame beam, 35 fifth frame beam, 36 sixth frame beam, 37 first support wheel, 38 first support wheel bracket, 39 first support wheel bracket hinge shaft, 310 second support wheel, 311 second support wheel bracket, 312 second support wheel bracket hinge shaft;

511 a first cutter disc, 512 a first movable cutter group and 513 a first 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 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 exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

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

the housing 1 has an open inner space; the suspension frame group 2 is arranged on the frame 1, and the frame 1 is connected with the tractor through the suspension frame group 2; the supporting mechanism 3 is connected with the frame 1, and the supporting frame 1 moves along with the tractor higher than the ground; the transmission mechanism 4 is arranged at the top of the frame 1, and the transmission mechanism 4 is in transmission connection with a power output shaft of the tractor; the cutting mechanism 5 comprises a first cutter disc group 51 and a second cutter disc group 52 with a smaller rotating radius than the first cutter disc group 51, the first cutter disc group 51 and the second cutter disc group 52 are respectively arranged at two sides of the inner space, and the first cutter disc group 51 and the second cutter disc group 52 are in transmission connection with the transmission mechanism 4. The utility model discloses frame 1 is hung by the tractor and is pull, the power output shaft and the 4 transmissions of drive mechanism of tractor are connected, drive cutting mechanism 5 rotates, during the operation, when the tractor drags frame 1 to advance along the cotton pole, first group 51 and the high-speed rotation of second group 52, smash the straw and throw out outside frame 1, the radius of rotation of first group 51 and second group 52 is different, first group 51 cuts four rows, second group 52 cuts two rows, can smash the cotton pole of returning six rows of a membrane once, be applicable to the planting mode of machine-harvested cotton six rows of membrane, and the work efficiency and the crushing quality are improved.

Specifically, the frame 1 includes an upper guard plate 11 and a side guard plate 12, and the upper guard plate 11 is connected to the side guard plate 12 through bolts.

Specifically, the transmission mechanism 4 includes a first cutter disc group transmission part 41, a second cutter disc group transmission part 42 and a coupling 43,

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

Specifically, the first disk group transmission 41 includes a first disk group holder 411, a first bearing seat 412, a first gear box 413, a first clutch group 414 and a power input shaft 415,

the first cutter disc group fixing seat 411 is fixed on the upper protection plate 11; a first bearing seat 412 is arranged on one side of the first cutter set fixing seat 411 close to the suspension set 2, a first gear box 413 is arranged on the other side of the first cutter set fixing seat 411, and the lower part of the first gear box 413 is in transmission connection with the first cutter set 51; the first clutch set 414 is installed between the first bearing seat 412 and the first gearbox 413, and the first clutch set 414 is in transmission connection with the first gearbox 413; the power input shaft 415 penetrates through the first clutch group 414, and one end of the power input shaft is arranged on the first bearing seat 412 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 first 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 one side, close to the first gear box 413, of the second cutter head group fixing seat 421, the second gear box 423 is installed on the other side of the second cutter head group fixing seat 421, and 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 gearbox 423, and the second clutch group 424 is in transmission connection with the second gearbox 423;

one end of the coupling 43 is in transmission connection with the first gearbox 413, and the other end of the coupling 43 is in transmission connection with the second clutch pack 424 through the second bearing block 422.

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

the first gearbox housing 4131 is mounted on the first disk group fixing seat 411; the first spiral bevel gear 4132 is in transmission connection with the power input shaft 415; the first spiral bevel gear 4132, the second spiral bevel gear 4133 and the third spiral bevel gear 4134 are all installed inside the first gear box 4131, and the second spiral bevel gear 4133 and the third spiral bevel gear 4134 are all engaged with the first spiral bevel gear 4132; one end of the first output shaft 4135 is in transmission connection with the second spiral bevel gear 4132, and the other end of the first output shaft 4135 is in transmission connection with the coupling 43; one end of a second output shaft 4136 is in transmission connection with a third spiral bevel gear 4134, and the other end of the second output shaft 4136 is in transmission connection with a first cutter disc group 51;

the second gear box 423 includes a second gear box 4231, a first 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 mounted on the second cutter head group fixing seat 421; the first input shaft 4232 is in transmission connection with one end of the coupling 43; a fourth spiral bevel gear 4233 and a fifth spiral bevel gear 4234 are both installed inside the second gear box 4231, the fourth spiral bevel gear 4233 is fixed on the first input shaft 4232, and the fifth spiral bevel gear 4234 is engaged with the fourth spiral bevel gear 4233; one 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 disc group 52.

Specifically, the suspension bracket group 2 comprises a first fixed bracket 21, a second fixed bracket 22, a first suspension beam 23, a second suspension beam 24, a connecting column 25, a first fixed part 26, a second fixed part 27, a first cable 28 and a second cable 29,

the first fixing frame 21 and the second fixing frame 22 are oppositely arranged on the front end surface of the upper protection plate 11 on one side of the first cutter disc group transmission part 41; one end of the first suspension beam 23 is movably connected with the first fixed frame 21, one end of the second suspension beam 24 is movably connected with the second fixed frame 27, and the other end of the first suspension beam 23 is connected with the other end of the second suspension beam 24 through a connecting column 25; the first fixing piece 26 and the second fixing piece 27 are both arranged on the upper protection plate 11, and the first fixing piece 26 and the second fixing piece 27 are distributed on two sides of the first cutter disc group transmission part 41; one end of the first cable 28 is fixed on the first fixing member 26, one end of the second cable 29 is fixed on the second fixing member 27, and the other end of the first cable 28 and the other end of the second cable 29 are connected to be fixed on the connecting column 25 as a whole.

Specifically, the first fixing frame 21 includes a first hollow fixing frame, a first connecting plate and a first rotating shaft,

the first hollow fixed frame is fixed on one side of the upper guard plate 11 close to the tractor; one end of the first suspension beam 23 is fixedly connected with a first connecting plate, and the first connecting plate is movably arranged in the first hollow fixed frame through a first rotating shaft;

the second fixing frame 22 includes a second hollow fixing frame, a second connecting plate and a second rotating shaft, the second hollow fixing frame is fixed on one side of the upper protection plate 11 close to the tractor, and the horizontal distance between the second hollow fixing frame and the first hollow fixing frame is greater than that between the second hollow fixing frame and the first hollow fixing frame

The width of the first disk group holder 411; one end of the second suspension beam 24 is fixedly connected with a second connecting plate, and the second connecting plate is movably arranged in the second hollow fixing frame through a second rotating shaft.

Specifically, the supporting mechanism 3 comprises a first 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 first supporting wheel 37, a first supporting wheel bracket 38, a first 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 first frame beam 31, the second frame beam 32, the third frame beam 33, the fourth frame beam 34, the fifth frame beam 35 and the sixth frame beam 36 are all fixed on the upper protection plate 11, the first supporting wheel bracket 38 is arranged behind one side of the upper protection plate 11 close to the first cutterhead group transmission part 41, and the second supporting wheel bracket 311 is arranged on one side of the side protection plate 12 close to the second cutterhead group transmission part 42; the diameter of the first support wheel 37 is greater than the diameter of the second support wheel 310;

the first frame beam 31 and the second frame beam 32 are distributed on two sides of the first cutter disc group transmission part 41 in parallel along the length direction; one end of a first frame beam 31 is connected with a first hollow fixed frame, the other end of the first frame beam 31 is connected with one end of a third frame beam 33, the other end of the third frame beam 33 extends out of the upper guard plate 11 and is connected with a first supporting wheel bracket 38 through a first supporting wheel bracket hinge shaft 39, one end of a second frame beam 32 is connected with a second hollow fixed frame, and the other end of the second frame beam 32 is connected with a sixth frame beam 36; one end of the fourth frame beam 34 is connected with the third frame beam 33, and the other end of the fourth frame beam 34 is connected with the sixth frame beam 36; one end of the fifth frame beam 35 is connected with the second frame beam 32, and the other end of the fifth frame beam 35 extends out of the upper guard plate 11 and is connected with the second supporting wheel bracket 311 through a second supporting wheel bracket hinge shaft 312; one end of the sixth frame beam 36 is fixed to the third frame beam 33; the first support wheel 37 is mounted on a first support wheel bracket 38 and the second support wheel 310 is mounted on a second support wheel bracket 311.

Specifically, the first cutter disc group 51 comprises a first cutter disc 511, three first moving cutter groups 512 and a first fixed cutter 513, and the first cutter disc 51 is mounted on a second output shaft 4136; the three first movable cutter groups 512 are uniformly arranged along the circumferential direction of the first cutter disc 511, each first movable cutter group 512 comprises two first movable cutters which are spaced from each other and are parallel to the first cutter disc 511; the first fixed knife 513 is horizontally fixed on the inner wall of the side guard plate 12, and the extending end of the first fixed knife 513 is positioned between the two first movable knives;

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 first clutch group 414 includes a first overrunning clutch and a diaphragm clutch, the first overrunning clutch is located at a side close to the first gear box 413, and the first overrunning clutch and the diaphragm clutch are connected into a whole through a bolt; the second clutch group 424 includes a second overrunning clutch and a dog clutch, the second overrunning clutch is located at one side close to the second gear box 423, and the second overrunning clutch and the dog clutch are connected into a whole 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.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A straw crushing and returning machine 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 on 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 a first cutter disc group (51) and a second cutter disc group (52) with a rotating radius smaller than that of the first cutter disc group (51), the first cutter disc group (51) and the second cutter disc group (52) are respectively arranged on two sides of the inner space, and the first cutter disc group (51) and the second cutter disc group (52) are in transmission connection with the transmission mechanism (4).

2. The straw crushing and returning machine as claimed in claim 1, wherein the frame (1) comprises an upper guard plate (11) and a side guard plate (12), and the upper guard plate (11) is connected with the side guard plate (12) through bolts.

3. The straw crushing and returning machine according to claim 2, wherein the transmission mechanism (4) comprises a first cutterhead group transmission (41), a second cutterhead group transmission (42) and a coupling (43),

the first cutter disc group (51) is in transmission connection with the first cutter disc group transmission part (41), and the second cutter disc group (52) is in transmission connection with the second cutter disc group transmission part (42); first blade disc group drive division (41) with second blade disc group drive division (42) all are fixed in go up backplate (11), just first blade disc group drive division (41) with second blade disc group drive division (42) pass through shaft joint (43) connect into whole, and this whole is the L type.

4. The straw chopping and returning machine as claimed in claim 3, wherein the first cutter set transmission part (41) comprises a first cutter set fixing seat (411), a first bearing seat (412), a first gear box (413), a first clutch set (414) and a power input shaft (415),

the first cutter disc group fixing seat (411) is fixed on the upper protection plate (11); the first bearing seat (412) is installed on one side, close to the suspension frame group (2), of the first cutter set fixing seat (411), the first gear box (413) is installed on the other side of the first cutter set fixing seat (411), and the lower portion of the first gear box (413) is in transmission connection with the first cutter set (51); the first clutch group (414) is installed between the first bearing seat (412) and the first gearbox (413), and the first clutch group (414) is in transmission connection with the first gearbox (413); the power input shaft (415) penetrates through the first clutch group (414), one end of the power input shaft is arranged on the first bearing seat (412) 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 first 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 one side, close to the first gear box (413), of the second cutter head group fixing seat (421), the second gear box (423) is installed on the other side of the second cutter head group fixing seat (421), and 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 gearbox (423), and the second clutch group (424) is in transmission connection with the second gearbox (423);

one end of the coupling (43) is in transmission connection with the first gear box (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 crushing returning machine according to claim 4, wherein the first gear box (413) comprises a first gear box body (4131), a first spiral bevel gear (4132), a second spiral bevel gear (4133), a third spiral bevel gear (4134), a first output shaft (4135) and a second output shaft (4136),

the first gearbox body (4131) is arranged on the first cutter disc group fixing seat (411); the first spiral bevel gear (4132) is in transmission connection with the power input shaft (415); the first spiral bevel gear (4132), the second spiral bevel gear (4133) and the third spiral bevel gear (4134) are all installed inside the first gear box body (4131), and the second spiral bevel gear (4133), the third spiral bevel gear (4134) are all engaged with the first spiral bevel gear (4132); one end of the first output shaft (4135) is in transmission connection with the second spiral bevel gear (4133), and the other end of the first output shaft (4135) is in transmission connection with the coupling (43); one 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 first cutter disc group (51);

the second gear box (423) comprises a second gear box body (4231), a first 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 installed on the second cutter head group fixing seat (421); the first input shaft (4232) is in transmission connection with one end of the coupling (43); the fourth spiral bevel gear (4233) and the fifth spiral bevel gear (4234) are both installed inside the second gear box body (4231), the fourth spiral bevel gear (4233) is fixed on the first input shaft (4232), and the fifth spiral bevel gear (4234) is meshed with the fourth spiral bevel gear (4233); one 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 disc set (52).

6. The straw crushing and returning machine according to claim 5, wherein the suspension frame set (2) comprises a first fixing frame (21), a second fixing frame (22), a first suspension beam (23), a second suspension beam (24), a connecting column (25), a first fixing piece (26), a second fixing piece (27), a first pull cable (28) and a second pull cable (29),

the first fixing frame (21) and the second fixing frame (22) are oppositely arranged on the front end face of the upper protection plate (11) on one side of the first cutter disc group transmission part (41); one end of the first suspension beam (23) is movably connected with the first fixing frame (21), one end of the second suspension beam (24) is movably connected with the second fixing frame (22), and the other end of the first suspension beam (23) is connected with the other end of the second suspension beam (24) through the connecting column (25); the first fixing piece (26) and the second fixing piece (27) are arranged on the upper protection plate (11), and the first fixing piece (26) and the second fixing piece (27) are distributed on two sides of the first cutter disc group transmission part (41); one end of the first cable (28) is fixed on the first fixing piece (26), one end of the second cable (29) is fixed on the second fixing piece (27), and the other end of the first cable (28) and the other end of the second cable (29) are connected into a whole and fixed on the connecting column (25).

7. The straw crushing and returning machine according to claim 6, wherein the first fixing frame (21) comprises a first hollow fixing frame, a first connecting plate and a first rotating shaft,

the first hollow fixed frame is fixed on one side, close to the tractor, of the upper protection plate (11); one end of the first suspension beam (23) is fixedly connected with the first connecting plate, and the first connecting plate is movably arranged in the first hollow fixed frame through the first 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 one side, close to the tractor, of the upper protection plate (11), and the horizontal distance between the second hollow fixing frame and the first hollow fixing frame is larger than the width of the first cutterhead group fixing seat (411); one end of the second suspension beam (24) is fixedly connected with the second connecting plate, and the second connecting plate is movably arranged in the second hollow fixing frame through the second rotating shaft.

8. The straw chopping and returning machine according to claim 7, wherein the supporting mechanism (3) comprises a first 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 first supporting wheel (37), a first supporting wheel bracket (38), a first 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 first frame beam (31), the second frame beam (32), the third frame beam (33), the fourth frame beam (34), the fifth frame beam (35) and the sixth frame beam (36) are all fixed on the upper protection plate (11), the first supporting wheel bracket (38) is arranged behind one side, close to the first cutter disc group transmission part (41), of the upper protection plate (11), and the second supporting wheel bracket (311) is arranged on one side, close to the second cutter disc group transmission part (42), of the side protection plate (12); the diameter of the first support wheel (37) is greater than the diameter of the second support wheel (310);

the first frame beam (31) and the second frame beam (32) are distributed on two sides of the first cutter disc group transmission part (41) in parallel along the length direction; one end of the first frame beam (31) is connected with the first hollow fixed frame, the other end of the first frame beam (31) is connected with one end of the third frame beam (33), the other end of the third frame beam (33) extends out of the upper guard plate (11) and is connected with the first support wheel bracket (38) through the first support wheel bracket hinge shaft (39), one end of the second frame beam (32) is connected with the second hollow fixed frame, and the other end of the second frame beam (32) is connected with the sixth frame beam (36); one end of the fourth frame beam (34) is connected with the third frame beam (33), and the other end of the fourth frame beam (34) is connected with the sixth frame beam (36); one end of the fifth frame beam (35) is connected with the second frame beam (32), and the other end of the fifth frame beam (35) extends out of the upper guard plate (11) and is connected with the second supporting wheel bracket (311) through the second supporting wheel bracket hinge shaft (312); one end of the sixth frame beam (36) is fixed on the third frame beam (33); the first support wheel (37) is mounted on the first support wheel bracket (38), and the second support wheel (310) is mounted on the second support wheel bracket (311).

9. The straw crushing returning machine as claimed in claim 5, wherein the first cutter disc group (51) comprises a first cutter disc (511), three first movable cutter groups (512) and a first fixed cutter (513), the first cutter disc (511) is mounted on the second output shaft (4136); the three first movable cutter groups (512) are uniformly arranged along the circumferential direction of the first cutter head (511), each first movable cutter group (512) comprises two first movable cutters which are spaced from each other, and the two first movable cutters are parallel to the first cutter head (511); the first fixed knife (513) is horizontally fixed on the inner wall of the side guard plate (12), and the extending end of the first fixed knife (513) is positioned between the two first movable knives;

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 crushing and returning machine according to claim 4, wherein the first clutch group (414) comprises a first overrunning clutch and a diaphragm clutch, the first overrunning clutch is positioned at one side close to the first gear box (413), and the first overrunning clutch and the diaphragm clutch are connected into a whole through bolts; the second clutch group (424) comprises a second overrunning clutch and a jaw clutch, the second overrunning clutch is located close to one side of the second gear box (423), and the second overrunning clutch and the jaw clutch are connected into a whole through bolts.

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