CN211353013U - Paddy field straw returning device - Google Patents

Abstract

The utility model discloses a paddy field straw returning device, including quick-witted case, transmission case, rotary tillage knife tackle, first cylinder, second cylinder, third cylinder and cutting knife tackle, rotary tillage knife tackle sets up on quick-witted case right side, and both sides all are provided with first support arm around the rotary tillage knife tackle, and rotary tillage knife tackle is connected with the right side of first support arm, and first support arm left side is rotated with quick-witted case and is connected, machine case upper left side is provided with the connecting block, and machine roof portion fixedly connected with a plurality of connecting rod, connecting rod top and connecting block fixed connection, machine case left side is provided with the guard shield, and both sides all are provided with the second support arm around the guard shield, and the guard shield is rotated with the left side of second support arm and is connected, and second support arm right side is rotated with quick-witted case and is connected, compares with prior: the straw that the device can scatter in the field is retrieved the cutting, need not to pack the straw, reduces manufacturing procedure to improve work efficiency, reduce working cost.

Description

Paddy field straw returning device

Technical Field

The utility model relates to an agricultural apparatus, in particular to a paddy field straw returning device.

Background

The straw returning field is a yield increasing measure for fertilizing soil strength, which is generally regarded as important in the world at present, has the functions of increasing fertilizer and increasing yield while avoiding air pollution caused by straw burning, can increase soil organic matters, improve soil structure, loosen soil, increase porosity, reduce capacity and promote microbial activity and crop root development.

Common straw returning device is on the market is packed the straw and puts into rubbing crusher again and cut, and the straw after the cutting directly discharges in the field, and the straw piece is spread on the field earth's surface, and straw nutrient utilization ratio is low to the straw piece on ground is washed away by the rainwater easily, leads to the nutrient to run off. Therefore, the field technicians provide a device for returning the straws to the field in the paddy field, so as to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a paddy field straw returning device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a paddy field straw returning device comprises a case, a transmission case, a rotary tillage cutter set, a first roller, a second roller, a third roller and a cutting cutter set, wherein the rotary tillage cutter set is arranged on the right side of the case, first support arms are arranged on the front side and the rear side of the rotary tillage cutter set, the rotary tillage cutter set is connected with the right side of the first support arms, the left side of the first support arms is rotatably connected with the case, a connecting block is arranged on the upper left of the case, a plurality of connecting rods are fixedly connected with the top of the case, the tops of the connecting rods are fixedly connected with the connecting block, a protective cover is arranged on the left side of the case, second support arms are arranged on the front side and the rear side of the protective cover, the protective cover is rotatably connected with the left side of the second support arms, the right side of the second support arms is rotatably connected with the case, the first roller is, the second roller and the third roller are rotatably connected with the case, a plurality of hook claws are arranged on the first roller, the second roller and the third roller, a transmission case is fixedly arranged on the right wall of the case, a plurality of cutting knife sets are arranged on the left side of the transmission case, a supporting roller is arranged in the middle of the lower portion of the case, supporting columns are arranged on the front side and the rear side of the supporting roller and rotatably connected with the supporting columns, and the top of each supporting column is fixedly connected with the case.

As a further aspect of the present invention: the machine is characterized in that a motor is installed at the position, corresponding to the third roller, in the machine case, of the motor, the rotating shaft of the motor is fixedly connected with the fourth rotating shaft, the fourth rotating shaft is fixedly connected with the third roller, the front end and the rear end of the fourth rotating shaft are both rotatably connected with the machine case, the rotary tillage cutter set is installed on the first rotating shaft, the front end and the rear end of the first rotating shaft are respectively rotatably connected with the front first supporting arm and the rear first supporting arm, the first rotating shaft is connected with the fourth rotating shaft through a belt, a third rotating shaft and a fixed connection are arranged in the second roller, the third rotating shaft is rotatably connected with the machine case.

As a further aspect of the present invention: the air spring type roller is characterized in that a second rotating shaft is arranged in the first roller, the front side and the rear side of the second rotating shaft are respectively rotatably connected with a front second supporting arm and a rear second supporting arm, a plurality of air springs are fixedly mounted on the second rotating shaft, pulleys are mounted at the other ends of the air springs, and the second rotating shaft is connected with the pulleys through belts.

As a further aspect of the present invention: the novel cabinet is characterized in that a plurality of fourth rollers are arranged in the cabinet corresponding to the second rollers and below the third rollers, a first belt pulley and a second belt pulley are arranged on the rear wall of the cabinet, the first belt pulley is arranged on the right side of the second belt pulley, the first belt pulley, the second belt pulley and the plurality of fourth rollers are connected through a belt, the second belt pulley is externally tangent to the belt, and the second belt pulley is connected with a fourth rotating shaft through a belt.

As a further aspect of the present invention: the cutting knife group is fixedly arranged on a sixth rotating shaft, and the sixth rotating shaft is connected with the fifth rotating shaft through a bevel gear.

As a further aspect of the present invention: the quick-witted incasement corresponds first support arm and second support arm department and all is provided with the gearbox, the gearbox includes first fender position, second fender position, keeps off a position slider, driving shaft, first gear and second gear, be connected through the belt between driving shaft and the fourth pivot, keep off a position slider setting and keep off between the position at first fender position and second, and the gear quantity that first fender position is three, and the gear quantity that the second kept off the position is three, first gear, first fender position and second keep off the position and pass through output shaft connection, and equal fixed mounting has the second gear in the pivot of first support arm and second support arm, and first gear is connected with the meshing of second gear.

As a further aspect of the present invention: the right side of the gear sliding block is provided with a gear connecting rod, the right end of the gear connecting rod is fixedly connected with the rack, the right side of the rack is provided with a third gear and is meshed with the third gear, fixed blocks are arranged at positions corresponding to the first supporting arm and the second supporting arm in the case, a plurality of positioning guide rods are fixedly arranged on the fixed blocks, positioning blocks and fixed connections are arranged at positions corresponding to the positioning guide rods in the case, the positioning guide rods are inserted in the positioning blocks, a pull rod is arranged between the positioning blocks and the third gear, and two ends of the pull rod are respectively connected with the third gear and the fixed.

Compared with the prior art, the beneficial effects of the utility model are that:

the straw cutting device can recover and cut the straw scattered in the field, the straw is not required to be packaged, and the processing procedures are reduced, so that the working efficiency is improved, and the working cost is reduced;

the angle of the first supporting arm and the angle of the second supporting arm can be freely adjusted only by adjusting the gear, the first supporting arm and the second supporting arm can be fixed through the fixing block during neutral gear shifting, and the fixing block naturally breaks away from the first supporting arm and the second supporting arm after gear shifting;

the crushed straws can be pressed into the ground through the rotary tillage cutter set, so that the straws can go deep into the ground, and the fertilizer can go deep into the ground and not only can be stored on the ground surface;

1. each transmission assembly is powered by the same motor, so that the control is convenient, the structure is simple, and the production cost can be reduced.

Drawings

FIG. 1 is a schematic structural view of a device for returning straw to field in paddy field.

Fig. 2 is a sectional view of a paddy field straw returning device.

FIG. 3 is a schematic structural view of a power transmission structure in a paddy field straw returning device.

FIG. 4 is a schematic view of a power transmission structure of a fourth roller in a device for returning straw to field in paddy field.

FIG. 5 is a schematic view of a power transmission structure of a cutting knife set in a device for returning straw to field in paddy field.

FIG. 6 is a schematic structural view of a gearbox in a device for returning straw to field in paddy field.

FIG. 7 is a schematic structural view of a support arm fixing structure in a paddy field straw returning device.

In the figure: 1-case, 2-transmission case, 3-first supporting arm, 4-rotary tillage cutter group, 5-supporting roller, 6-supporting column, 7-connecting rod, 8-shield, 9-second supporting arm, 10-connecting block, 11-first roller, 12-claw, 13-second roller, 14-third roller, 15-fourth roller, 16-cutting cutter group, 17-first rotating shaft, 18-second rotating shaft, 19-third rotating shaft, 20-fourth rotating shaft, 21-fifth rotating shaft, 22-air spring, 23-pulley, 24-first pulley, 25-second pulley, 26-bevel gear, 27-sixth rotating shaft, 28-first gear, 29-second gear, 30-gear slider, 31-a driving shaft, 32-a first gear, 33-a second gear, 34-an output shaft, 35-a gear connecting rod, 36-a rack, 37-a third gear, 38-a pull rod, 39-a fixed block, 40-a positioning guide rod and 41-a positioning block.

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.

Referring to fig. 1-7, in an embodiment of the present invention, a straw returning device for paddy field comprises a housing 1, a transmission case 2, a rotary blade set 4, a first roller 11, a second roller 13, a third roller 14 and a cutting blade set 16, wherein the rotary blade set 4 is disposed on the right side of the housing 1, the rotary blade set 4 is provided with a first support arm 3 on both front and rear sides, the rotary blade set 4 is connected to the right side of the first support arm 3, the left side of the first support arm 3 is rotatably connected to the housing 1, a connecting block 10 is disposed on the upper left of the housing 1, the top of the housing 1 is fixedly connected to a plurality of connecting rods 7, the top of the connecting rods 7 is fixedly connected to the connecting block 10, the left side of the housing 1 is provided with a shield 8, the front and rear sides of the shield 8 are provided with a second support arm 9, the shield 8 is rotatably connected to the left side of the second support arm 9, the right side of the, a second roller 13 is arranged in the case 1 corresponding to the right side of the first roller 11, a third roller 14 is arranged on the right side of the second roller 13, the second roller 13 and the third roller 14 are rotatably connected with the case 1, a plurality of hook claws 12 are arranged on the first roller 11, the second roller 13 and the third roller 14, a transmission case 2 is fixedly arranged on the right wall of the case 1, a plurality of cutting knife sets 16 are arranged on the left side of the transmission case 2, a support roller 5 is arranged in the middle of the lower part of the case 1, support pillars 6 are arranged on the front side and the rear side of the support roller 5 and rotatably connected with the support pillars 6, the top of each support pillar 6 is fixedly connected with the case 1, the device is connected with a tractor through a connecting block 10, the whole device is pulled by the tractor to move, the hook claws 12 on the first roller 11 can catch straws to convey the straws into the case 1, and after entering the case, the second roller 13, the third roller 14 and the fourth, the straws are cut up by the cutting knife group 16, the cut-up straws fall to the ground from the right side of the case 1, the rotary tillage knife group 4 is driven by the belt to rotate to cut the ground, and the cut-up straws are pressed into the ground to return the straws to the field.

A motor is arranged in the case 1 corresponding to the third roller 14, the rotating shaft of the motor is fixedly connected with a fourth rotating shaft 20, the fourth rotating shaft 20 is fixedly connected with the third roller 14, the front end and the rear end of the fourth rotating shaft 20 are both rotatably connected with the case 1, the rotary tillage cutter group 4 is arranged on a first rotating shaft 17, the front end and the rear end of the first rotating shaft 17 are respectively rotatably connected with a front first supporting arm and a rear first supporting arm 3, the first rotating shaft 17 is connected with the fourth rotating shaft 20 through a belt, a third rotating shaft 19 is arranged in the second roller 13 and is fixedly connected with the second rotating shaft 19, the third rotating shaft 19 is rotatably connected with the case 1, the third rotating shaft 19 is connected with the fourth rotating shaft 20 through a belt, a second rotating shaft 18 is arranged in the first roller 11, the front side and the rear side of the second rotating shaft 18 are respectively rotatably connected with a front second supporting arm and a rear supporting arm 9, a plurality of air, the second rotating shaft 18 is connected with a pulley 23 through a belt, a plurality of fourth rollers 15 are arranged in the case 1 corresponding to the lower parts of the second roller 13 and the third roller 14, a first belt pulley 24 and a second belt pulley 25 are installed on the rear wall of the case 1, the first belt pulley 24 is arranged on the right side of the second belt pulley 25, the first belt pulley 24, the second belt pulley 25 and the plurality of fourth rollers 15 are connected through a belt, and the second belt pulley 25 is externally tangent with the belt, the second belt pulley 25 is connected with the fourth rotating shaft 20 through the belt, a fifth rotating shaft 21 is arranged in the transmission case 2, the fifth rotating shaft 21 is connected with the fourth rotating shaft 20 through a belt, the cutting blade group 16 is fixedly installed on a sixth rotating shaft 27, the sixth rotating shaft 27 is connected with the fifth rotating shaft 21 through a bevel gear 26, and the rollers, the rotary blade group 4 and the cutting blade group 16 are driven to rotate through a belt.

The utility model discloses a quick-witted case, including quick-witted case 1, the quick-witted case 1 is provided with the gearbox corresponding first support arm 3 and second support arm 9 department, the gearbox includes first fender position 28, second fender position 29, keeps off position slider 30, driving shaft 31, first gear 32 and second gear 33, be connected through the belt between driving shaft 31 and the fourth pivot 20, keep off position slider 30 and set up between first fender position 28 and second fender position 29, and the gear quantity of first fender position 28 is three, and the gear quantity of second fender position 29 is three, first gear 32, first fender position 28 and second fender position 29 pass through output shaft connection, and equal fixed mounting has second gear 33 in the pivot of first support arm 3 and second support arm 9, and first gear 32 is connected with the meshing of second gear 33, keep off position slider 30 right side and be provided with fender position connecting rod 35, fender position connecting rod 35 right-hand member and rack 36 fixed connection, and rack 36 right side are provided with third gear 37 and meshing connection, the machine case 1 is internally provided with a fixing block 39 corresponding to the first supporting arm 3 and the second supporting arm 9, the fixing block 39 is fixedly provided with a plurality of positioning guide rods 40, the machine case 1 is internally provided with positioning blocks 41 corresponding to the positioning guide rods 40 and fixedly connected with the positioning blocks 41, the positioning guide rods 40 are inserted in the positioning blocks 41, a pull rod 38 is arranged between the positioning block 41 and the third gear 37, two ends of the pull rod 38 are respectively connected with the third gear 37 and the fixing block 39 in a rotating manner, when the gear is in a neutral gear, the fixing block 39 is attached to the first supporting arm 3 and the second supporting arm 9, the fixing column on the fixing block 39 is inserted into the second gear 33, at this time, the first supporting arm 3 and the second supporting arm 9 are fixed, when the gear is adjusted, the rack 36 drives the third gear 37 to rotate, the fixed block 39 is pulled away from the second gear 33 through the pull rod 38, the first support arm 3 and the second support arm 9 move at the moment, and then the first support arm 3 and the second support arm 9 can be angularly adjusted through the first gear 32.

The utility model discloses a theory of operation is:

the utility model relates to a paddy field straw returning device, when using, the device is connected with a tractor through a connecting block 10, the whole device is pulled to move by the tractor, the claw 12 on the first roller 11 can catch the straw, the straw is conveyed to the machine case 1, after entering the machine case, the straw is pushed to the right side through the second roller 13, the third roller 14 and the fourth roller 15, the straw is cut up by the cutting knife group 16, the cut-up straw falls to the ground from the right side of the machine case 1, the rotary tillage knife group 4 rotates through the belt, the ground is cut, and the cut-up straw is pressed into the ground, the straw returning is realized, wherein, the first roller 11, the second roller 13, the third roller 14 and the fourth roller 15 are all driven to rotate by the same motor, the fourth roller 15 rotates clockwise and is opposite to the rotating direction of other rollers, the cutting knife group 16 is driven to rotate through the fifth rotating shaft 21, cutting work is carried out, in addition, in the gearbox, when keeping off the position neutral gear, first support arm 3 and second support arm 9 of fixed block 39 laminating, the fixed column on the fixed block 39 inserts second gear 33, first support arm 3 and second support arm 9 are fixed this moment, when the adjustment keeps off the position, rack 36 drives third gear 37 and rotates, pull away from second gear 33 with fixed block 39 through pull rod 38, first support arm 3 and the activity of second support arm 9 this moment, accessible first gear 32 carries out angle modulation to first support arm 3 and second support arm 9 afterwards.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A paddy field straw returning device comprises a case (1), a transmission case (2), a rotary tillage cutter set (4), a first roller (11), a second roller (13), a third roller (14) and a cutting cutter set (16), and is characterized in that the rotary tillage cutter set (4) is arranged on the right side of the case (1), first supporting arms (3) are arranged on the front side and the rear side of the rotary tillage cutter set (4), the rotary tillage cutter set (4) is connected with the right side of the first supporting arms (3), the left side of the first supporting arms (3) is rotatably connected with the case (1), a connecting block (10) is arranged on the upper left side of the case (1), a plurality of connecting rods (7) are fixedly connected with the top of the case (1), a protective cover (8) is arranged on the left side of the case (1), second supporting arms (9) are arranged on the front side and the rear side of the protective cover (8), the protective cover (8) is rotatably connected with the left side of the second supporting arm (9), the right side of the second supporting arm (9) is rotatably connected with the case (1), the first roller (11) is installed in the protective cover (8), the second roller (13) is arranged in the case (1) corresponding to the right side of the first roller (11), the third roller (14) is arranged on the right side of the second roller (13), the second roller (13) and the third roller (14) are rotatably connected with the case (1), the first roller (11), the second roller (13) and the third roller (14) are respectively provided with a plurality of hook claws (12), the right wall of the case (1) is fixedly provided with the transmission case (2), the left side of the transmission case (2) is provided with a plurality of cutting knife groups (16), the middle part below the case (1) is provided with the supporting roller (5), the front side and the back side of the supporting roller (5) are respectively provided with the supporting columns (6) which are rotatably connected, the top of the supporting column (6) is fixedly connected with the case (1).

2. The paddy field straw returning device according to claim 1, wherein a motor is installed in the case (1) corresponding to the third roller (14), the motor shaft is fixedly connected with a fourth shaft (20), the fourth shaft (20) is fixedly connected with the third roller (14), the front end and the rear end of the fourth shaft (20) are rotatably connected with the case (1), the rotary tillage knife assembly (4) is installed on the first shaft (17), the front end and the rear end of the first shaft (17) are rotatably connected with the front first supporting arm and the rear first supporting arm (3) respectively, the first shaft (17) is connected with the fourth shaft (20) through a belt, the second roller (13) is internally provided with a third shaft (19) and a fixed connection, the third shaft (19) is rotatably connected with the case (1), and the third shaft (19) is connected with the fourth shaft (20) through a belt.

3. The device for returning straw to field in paddy field as claimed in claim 1, wherein a second rotating shaft (18) is arranged in the first roller (11), the front side and the rear side of the second rotating shaft (18) are respectively rotatably connected with the front second supporting arm and the rear second supporting arm (9), a plurality of air springs (22) are fixedly arranged on the second rotating shaft (18), a pulley (23) is arranged at the other end of each air spring (22), and the second rotating shaft (18) is connected with the pulley (23) through a belt.

4. The paddy field straw returning device as claimed in claim 1, wherein a plurality of fourth rollers (15) are arranged in the machine box (1) corresponding to the lower portions of the second roller (13) and the third roller (14), a first belt pulley (24) and a second belt pulley (25) are installed on the rear wall of the machine box (1), the first belt pulley (24) is arranged on the right side of the second belt pulley (25), the first belt pulley (24), the second belt pulley (25) and the plurality of fourth rollers (15) are connected through a belt, the second belt pulley (25) is in externally-tangent connection with the belt, and the second belt pulley (25) is connected with the fourth rotating shaft (20) through a belt.

5. The paddy field straw returning device according to claim 1, wherein a fifth rotating shaft (21) is arranged in the transmission case (2), the fifth rotating shaft (21) is connected with a fourth rotating shaft (20) through a belt, the cutting knife group (16) is fixedly installed on a sixth rotating shaft (27), and the sixth rotating shaft (27) is connected with the fifth rotating shaft (21) through a bevel gear (26).

6. The paddy field straw returning device according to claim 1, wherein gearboxes are arranged in the machine case (1) corresponding to the first supporting arm (3) and the second supporting arm (9), each gearbox comprises a first gear (28), a second gear (29), a gear slider (30), a driving shaft (31), a first gear (32) and a second gear (33), the driving shaft (31) is connected with the fourth rotating shaft (20) through a belt, the gear slider (30) is arranged between the first gear (28) and the second gear (29), the number of gears in the first gear (28) is three, the number of gears in the second gear (29) is three, the first gear (32), the first gear (28) and the second gear (29) are connected through an output shaft, the rotating shafts of the first supporting arm (3) and the second supporting arm (9) are fixedly provided with the second gear (33), the first gear (32) is in meshed connection with the second gear (33).

7. The device for returning straw to field in paddy field as claimed in claim 6, wherein a gear connecting rod (35) is arranged on the right side of the gear sliding block (30), the right end of the gear connecting rod (35) is fixedly connected with a rack (36), a third gear (37) is arranged on the right side of the rack (36) and is meshed with the rack, fixing blocks (39) are arranged in the case (1) corresponding to the first supporting arm (3) and the second supporting arm (9), a plurality of positioning guide rods (40) are fixedly arranged on the fixing blocks (39), positioning blocks (41) are arranged in the case (1) corresponding to the positioning guide rods (40) and are fixedly connected with each other, the positioning guide rods (40) are inserted in the positioning blocks (41), a pull rod (38) is arranged between the positioning block (41) and the third gear (37), and two ends of the pull rod (38) are respectively in rotary connection with the third gear (37) and the fixing block (39).

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