CN212786526U - Power transmission unit and straw returning combined soil preparation device thereof - Google Patents
Power transmission unit and straw returning combined soil preparation device thereof Download PDFInfo
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- CN212786526U CN212786526U CN202021178819.4U CN202021178819U CN212786526U CN 212786526 U CN212786526 U CN 212786526U CN 202021178819 U CN202021178819 U CN 202021178819U CN 212786526 U CN212786526 U CN 212786526U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 76
- 239000010902 straw Substances 0.000 title claims abstract description 55
- 239000002689 soil Substances 0.000 title claims abstract description 40
- 238000003971 tillage Methods 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 210000000078 claw Anatomy 0.000 claims description 37
- 230000000694 effects Effects 0.000 description 6
- 238000010008 shearing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a power transmission unit and a straw returning combined soil preparation device thereof, which comprises a front transmission case, a rear transmission case and a side case which are connected in sequence by power; the front transmission case comprises a first output end and a second output end, the first output end outputs first power, and the second output end is in power connection with the rear transmission case; the rear transmission case comprises a third output end, and the third output end is in power connection with the side case; the side box comprises an output front shaft and an output rear shaft, and the output front shaft and the output rear shaft respectively output second power and third power; through setting up preceding transmission case, back transmission case and limit case, fall into first power, second power and third power with the power of power supply to transmit it respectively to crushing roller, stubble-cleaning roller and rotary tillage roller, can set up three kinds of soil preparation devices on same platform equipment, thereby make three kinds of soil preparation devices successively accomplish soil preparation work, avoided adopting three kinds of soil preparation devices to carry out the problem of the time overlength that cubic soil preparation leads to, improved work efficiency.
Description
Technical Field
The utility model relates to the field of agricultural machinery, especially, relate to a power transmission unit and straw returning combined soil preparation device thereof.
Background
Present soil preparation device has three kinds, has straw returning machine, stubble cleaner, rotary cultivator, and three kinds of soil preparation devices can only work alone, has following problem: 1. the straw returning machine can only cut the straws and return the straws to the field and throw the straws on the ground, and the crushed straws cannot be buried in the soil; 2. the stubble cleaner can only break the stubbles of the straws, the tilling depth is 5-8 cm, the stubble cleaner cannot play a role of mixed burying, and the straws in the field must be removed from the field or piled and burned when the stubble cleaner is used, so a large amount of manpower and material resources are wasted, and the environment is polluted when the straws are burned; 3. the rotary cultivator can be used after the first two machines are cultivated, and no straw is buried in a mixed mode. At present, the state advocates the straw burning prohibition energetically, advocates the straw returning and buries in the field, increases the productivity, and the straw returning buries and becomes fertilizer after rotting in the soil, plays the effect of preserving soil moisture and resisting drought, prepares soil again through the cubic, and the soil preparation time overlength, the straw breakage in the furrow is not enough to the expense of consuming is big, can not satisfy present user's demand.
Patent document CN 105659955 a discloses a stubble-cleaning, rotary-tillage, fertilizing and soil-preparation combined machine, which can complete stubble crushing and soil-crushing rotary tillage at one time, but it is not provided with a crushing roller, and can not crush the straw and return the straw to the field, that is, it must remove the straw from the field or burn the straw in the field in operation; patent document CN 210537310U discloses a combined soil preparation machine for returning straws to field, but it also cleans the stubbles left in the field of crops, crushes them and returns them to field, and can not crush the straws on the stubbles and return them to field, so that it can not really return them to field, and it must remove the straws in the field or burn them in piles during working.
Disclosure of Invention
The utility model aims at providing a power transmission unit and still field joint soil preparation device of straw thereof to solve the problem that above-mentioned prior art exists, make the power of power supply can transmit each work unit according to the demand, accomplish the transmission of power, realize smashing roller, stubble-cleaning roller and rotary tillage roller's successively work.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a power transmission unit, which comprises a front transmission case, a rear transmission case and a side case which are connected in sequence by power; the front transmission case comprises a first output end and a second output end, the first output end outputs first power, and the second output end is in power connection with the rear transmission case; the rear transmission case comprises a third output end, and the third output end is in power connection with the side case; the side box comprises an output front shaft and an output rear shaft, and the output front shaft and the output rear shaft respectively output second power and third power.
Preferably, a first universal joint is arranged between the front transmission case and the power source, a second universal joint is arranged between the second output end and the rear transmission case, and a third universal joint is arranged between the third output end and the side case.
Preferably, the number of the third output ends is two, and each third output end is connected with one side box.
The utility model also provides a combined soil preparation device for returning straws to fields, which comprises a frame, a power transmission unit arranged on the frame, and a crushing roller, a stubble cleaning roller and a rotary tillage roller which are rotatably arranged on the frame according to the sequence of work; the first output end is in power connection with the crushing roller, the output front shaft is in power connection with the stubble cleaning roller, and the output rear shaft is in power connection with the rotary tillage roller.
Preferably, the first output end is provided with one, and it is connected with first belt pulley through the transmission shaft, the one end of crushing roller is provided with the second belt pulley, first belt pulley with through belt power connection between the second belt pulley.
Preferably, the number of the third output ends is two, each third output end is connected with one side box, the two output front shafts are connected to two end portions of the stubble cleaning roller respectively, and the two output rear shafts are connected to two end portions of the rotary tillage roller respectively.
Preferably, the crushing roller is provided with large hammer claws and small hammer claws at intervals in the circumferential direction, the large hammer claws are arranged in the middle of the crushing roller, and the small hammer claws are arranged in the middle and at two ends of the crushing roller.
Preferably, the frame is further provided with an arc cover matched with the crushing roller, the arc cover is provided with a fixed blade, and the large hammer claw and the small hammer claw are matched with the fixed blade to crush the straw.
Preferably, the rotary cultivator also comprises a ploughshare, wherein the ploughshare is arranged at the rear side of the rotary cultivating roller according to the working sequence and is rotatably arranged on the rack.
The utility model discloses for prior art gain following technological effect:
(1) the utility model discloses a set up front wheel case, back wheel case and limit case, divide into first power, second power and third power with the power of power supply to transmit it respectively to crushing roller, stubble-cleaning roller and rotary tillage roller, can set up three kinds of soil preparation devices on the same equipment, thus make three kinds of soil preparation devices accomplish the soil preparation work successively, avoided adopting three kinds of soil preparation devices to carry on the problem of time overlength that the soil preparation led to three times, improved work efficiency;
(2) the utility model transmits the torque at one side of the crushing roller, and transmits the torque at two sides of the stubble cleaning roller and the rotary tillage roller, that is, the adaptive torque transmission mode is selected according to the actual working condition of each roller, namely the load condition, thereby utilizing the kinetic energy of the power source to the maximum extent and avoiding the waste of energy;
(3) the universal joints are arranged between the power source and the front transmission case, between the front transmission case and the rear transmission case and between the rear transmission case and the side case to transmit power, so that the positions of the transmission devices can be more reasonably arranged, and the power can be better output to the working rollers;
(4) the utility model is provided with a big hammer claw and a small hammer claw on the crushing roller, the big hammer claw can crush the straws in the furrows, the small hammer claw can crush the straws on the ridge, on the basis, the furrows and the straws on the ridge can be crushed in a distinguishing way, and the influence of the ridges in the field is avoided during crushing; in addition, an arc cover matched with the crushing roller is further arranged, a fixed blade is arranged on the arc cover, the fixed blade and the large and small hammer claws jointly act to achieve a good crushing effect, and the working efficiency is further improved.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of a power transmission unit and its installation on a straw returning and soil preparation device;
FIG. 2 is a schematic view showing the arrangement positions of the crushing roller, the stubble cleaning roller, the rotary tillage roller and the ploughshare;
FIG. 3 is a schematic view of the structure of the crushing roller, the stubble cleaning roller and the rotary tillage roller;
FIG. 4 is a schematic side box view;
FIG. 5 is a schematic view of the crushing roller and the curved mantle;
wherein, 1, a crushing roller; 2. a stubble cleaning roller; 3. a rotary tillage roller; 4. a front transmission case; 5. a rear transmission case; 6. a side box; 7. a first universal joint; 8. a second universal joint; 9. a third universal joint; 10. a side box input shaft; 11. an output front axle; 12. an output rear axle; 13. a large hammer claw; 14. a small hammer claw; 15. an arc-shaped cover; 16. fixing a blade; 17. a plough share.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a power transmission unit and still field joint soil preparation device of straw thereof to solve the problem that prior art exists, make the power of power supply can transmit each work unit according to the demand, accomplish the transmission of power, realize smashing roller, stubble-cleaning roller and rotary tillage roller's successively work.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model provides a power transmission unit, including preceding transmission case 4, back transmission case 5 and side case 6 that power connects gradually, it needs to explain, preceding transmission case 4, back transmission case 5 and side case 6 all are equivalent to the gearbox, there are a plurality of axles in each gearbox, the bearing, the gear is installed epaxially, the axle supports on the case hole through the bearing, gear and gear pass through meshing transmission power, finally realize the transmission of power, realize the change of rotational speed simultaneously, the structure in specific each gearbox sets up to what technical staff in the art can reach according to the power transmission demand, therefore, its inner structure is as prior art, no longer give unnecessary details; the front transmission case 4 comprises a first output end and a second output end, the first output end outputs first power, and the second output end is in power connection with the rear transmission case 5; the rear transmission case 5 comprises a third output end which is in power connection with the side case 6; as shown in fig. 4, the third output end is in power connection with the side box 6 through the side box input shaft 10, the side box 6 further comprises an output front shaft 11 and an output rear shaft 12, and the output front shaft 11 and the output rear shaft 12 output the second power and the third power respectively; the first power, the second power and the third power are all represented as rotation, and the specific rotation speed is set according to actual requirements (for example, the gear ratio of each gearbox is set).
Furthermore, a first universal joint 7 is arranged between the front transmission case 4 and the power source, a second universal joint 8 is arranged between the second output end and the rear transmission case 5, a third universal joint 9 is arranged between the third output end and the side case 6, the arrangement of the front transmission case 4 and the rear transmission case 5 can be more flexible due to the arrangement of the universal joints, and a relatively abundant space is reserved for the installation of other parts (such as the later-mentioned crushing roller 1, the stubble cleaning roller 2 and the rotary tillage roller 3).
Referring again to fig. 1, there are two third output ends of the rear transmission case 5, and each third output end is connected to one side case 6, that is, there are two side cases 6, and since each side case 6 includes the output front shaft 11 and the output rear shaft 12, that is, there are two output front shafts 11 and output rear shafts 12, respectively, the rear transmission case 5 is divided into four power output ends.
As shown in fig. 1-2, the utility model also provides a combined soil preparation device for returning straws to the field, which comprises a frame, a power transmission unit arranged on the frame, and a crushing roller 1, a stubble cleaning roller 2 and a rotary tillage roller 3 which are rotatably arranged on the frame according to the sequence of work; the first output end of the front transmission case 4 is in power connection with the crushing roller 1, the output front shaft 11 of the side case 6 is in power connection with the stubble cleaning roller 2, and the output rear shaft 12 of the side case 6 is in power connection with the rotary tillage roller 3, that is, the power of the power source is distributed to the crushing roller 1, the stubble cleaning roller 2 and the rotary tillage roller 3 after passing through the power transmission unit so as to drive the straw returning soil preparation device to perform soil preparation work, in particular, in order to achieve the best soil preparation effect, the utility model sets the rotating speed of the crushing roller 1 at 1500 r/min, the rotating speed of the stubble cleaning roller 2 at 400 r/min and the rotating speed of the rotary tillage roller 3 at 250 r/min; in addition, it should be noted that the connection mode of the power transmission unit with the crushing roller 1, the stubble cleaning roller 2 and the rotary tillage roller 3 is the conventional connection mode in the field, such as the mode of using a shaft key, a shaft coupling, a set screw and the like, the utility model discloses do not do specifically limit, can realize the transmission of power.
Further, the first output end of the front transmission case 4 is provided with one, the first belt pulley is connected with the first output end through a transmission shaft, the second belt pulley is arranged at one end of the crushing roller 1, the first belt pulley and the second belt pulley are in power connection through a belt, namely, the crushing roller 1 is low in load, the second belt pulley arranged on one side can receive power transmission through the belt, the transmission case can be omitted, and cost is reduced.
Furthermore, the third output end of the rear transmission case 5 is provided with two, each third output end is respectively connected with one side case 6, the two output front shafts 11 are respectively connected with two end parts of the stubble cleaning roller 2, and the two output rear shafts 12 are respectively connected with two end parts of the rotary tillage roller 3, namely, the two ends of the stubble cleaning roller are provided with power input ends according to the load conditions of the stubble cleaning roller 2 and the rotary tillage roller 3, power is applied by the two ends, so that the stubble cleaning roller 2 and the rotary tillage roller 3 are stressed more uniformly and rotate more flexibly.
As shown in fig. 3, the crushing roller 1 is provided with large hammer claws 13 and small hammer claws 14 at intervals in the circumferential direction, the large hammer claws 13 are arranged in the middle of the crushing roller 1, the small hammer claws 14 are arranged at the middle part and both end parts of the crushing roller 1, the large hammer claws 13 can crush straws in furrows, the small hammer claws 14 can crush straws on ridge stands, on the basis, the furrows and the straws on the ridge stands can be distinguished and crushed, and the influence of ridges on crushing is avoided.
As shown in fig. 5, an arc cover 15 matched with the crushing roller 1 is further arranged on the frame, a fixed blade 16 is mounted on the arc cover 15, the large hammer claw 13 and the small hammer claw 14 are matched with the fixed blade 16 to crush the straw, and it should be noted that the matching mode refers to a structure that the large hammer claw 13, the small hammer claw 14 and the fixed blade 16 form shearing, the straw can be sheared and cut off, and the large hammer claw 13 and the small hammer claw 14 are arranged at different heights and at intervals protruding out of the crushing roller 1, so that staggered shearing can be realized, the shearing stress condition is dispersed, and the crushing effect of the straw is improved.
As shown in figure 2, the combined soil preparation device for returning straws to the field also comprises a ploughshare 17, wherein the ploughshare 17 is arranged at the rear side of the rotary tillage roller 3 according to the working sequence and can be rotatably arranged on the frame, namely, the crushing roller 1, the stubble cleaning roller 2, the rotary tillage roller 3 and the ploughshare 17 are sequentially arranged and can work sequentially according to the sequence.
The utility model discloses a working process realizes like this: the power source transmits power to the front transmission case 4 through the first universal joint 7, the front transmission case 4 transmits the power in two paths, one path of the power is transmitted to the front crushing roller 1 through the belt pulley, and the crushing roller 1 rotates to drive the large hammer claw 13 and the small hammer claw 14 which are arranged on the crushing roller 1 to rotate; the big hammer claw 13 is arranged at the corresponding position of the furrow to crush the straws in the furrow, and the small hammer claw 14 is arranged at the corresponding position of the furrow and the corresponding position of the ridge to crush the straws on the ridge; an arc cover 15 is welded on the frame, a plurality of rows of fixed blades 16 are arranged on the inner side of the arc cover 15, and the large hammer claw 13 and the small hammer claw 14 are matched with the fixed blades 16 to further crush the straws. The other path of the power transmitted by the front transmission case 4 is transmitted to the rear transmission case 5 through the second universal joint 8, the rear transmission case 5 is transmitted to the side cases 6 at two sides through the third universal joint 9, the side cases 6 output two shafts, the output front shaft 11 drives the stubble cleaning roller 2 to rotate, and the output rear shaft 12 drives the rotary tillage roller 3 to rotate. The stubble cleaning roller 2 is provided with a plurality of rows of stubble cleaning knives, the stubble cleaning knives crush stubbles on ridges through rotation, and crushed straws thrown by the front crushing roller 1 are further crushed and uniformly mixed and buried in soil. The rotary tillage roller 3 is provided with a plurality of rows of rotary tillage cutters, the rotary tillage cutters crush the ridges through rotation, and uniformly bury the straws again, and then the ploughshare 17 arranged at the back of the frame forms ridges and presses again. Thus, the utility model discloses a crushing roller 1, stubble-cleaning roller 2 and the combination of rotary tillage roller 3 once only jointly soil preparation, soil preparation effect and efficiency improve greatly.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A power transfer unit characterized by: comprises a front transmission case, a rear transmission case and a side case which are in power connection in sequence; the front transmission case comprises a first output end and a second output end, the first output end outputs first power, and the second output end is in power connection with the rear transmission case; the rear transmission case comprises a third output end, and the third output end is in power connection with the side case; the side box comprises an output front shaft and an output rear shaft, and the output front shaft and the output rear shaft respectively output second power and third power; the number of the third output ends is two, and each third output end is connected with one side box.
2. The power transfer unit of claim 1, wherein: a first universal joint is arranged between the front transmission case and the power source, a second universal joint is arranged between the second output end and the rear transmission case, and a third universal joint is arranged between the third output end and the side case.
3. The utility model provides a straw returning field unites soil preparation device which characterized in that: the power transmission unit as claimed in claim 1 or 2, comprising a frame, a power transmission unit mounted on the frame, and a crushing roller, a stubble cleaning roller and a rotary tillage roller rotatably mounted on the frame in the order of operation; the first output end is in power connection with the crushing roller, the output front shaft is in power connection with the stubble cleaning roller, and the output rear shaft is in power connection with the rotary tillage roller.
4. The combined soil preparation device for returning straws to fields as claimed in claim 3, which is characterized in that: the first output end is provided with one, and it is connected with first belt pulley through the transmission shaft, the one end of smashing the roller is provided with the second belt pulley, first belt pulley with through belt power connection between the second belt pulley.
5. The combined soil preparation device for returning straws to fields as claimed in claim 3, which is characterized in that: the number of the third output ends is two, each third output end is connected with one side box, the two output front shafts are connected to two end portions of the stubble cleaning roller respectively, and the two output rear shafts are connected to two end portions of the rotary tillage roller respectively.
6. The combined soil preparation device for returning straws to a field as claimed in any one of claims 3 to 5, which is characterized in that: the crushing roller is provided with big hammer claws and small hammer claws at intervals in the circumferential direction, the big hammer claws are arranged in the middle of the crushing roller, and the small hammer claws are arranged in the middle and at two ends of the crushing roller.
7. The combined soil preparation device for returning straws to fields as claimed in claim 6, which is characterized in that: the straw crushing machine is characterized in that an arc cover matched with the crushing roller is further arranged on the rack, a fixed blade is mounted on the arc cover, and the large hammer claw and the small hammer claw are matched with the fixed blade to crush straws.
8. The combined soil preparation device for returning straws to fields as claimed in claim 7, which is characterized in that: the rotary tillage roller is characterized by further comprising a ploughshare, wherein the ploughshare is arranged on the rear side of the rotary tillage roller according to the working sequence and is rotatably installed on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178819.4U CN212786526U (en) | 2020-06-23 | 2020-06-23 | Power transmission unit and straw returning combined soil preparation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178819.4U CN212786526U (en) | 2020-06-23 | 2020-06-23 | Power transmission unit and straw returning combined soil preparation device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212786526U true CN212786526U (en) | 2021-03-26 |
Family
ID=75097642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021178819.4U Expired - Fee Related CN212786526U (en) | 2020-06-23 | 2020-06-23 | Power transmission unit and straw returning combined soil preparation device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212786526U (en) |
-
2020
- 2020-06-23 CN CN202021178819.4U patent/CN212786526U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |