CN211671206U - Anti-blocking device for furrow plough - Google Patents
Anti-blocking device for furrow plough Download PDFInfo
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- CN211671206U CN211671206U CN202020184368.9U CN202020184368U CN211671206U CN 211671206 U CN211671206 U CN 211671206U CN 202020184368 U CN202020184368 U CN 202020184368U CN 211671206 U CN211671206 U CN 211671206U
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Abstract
The utility model relates to the field of agricultural equipment, in particular to a furrow plough anti-blocking device, which comprises a housing (9), a gear box (10), a transmission device (5), a cutting device (7), a grass pressing device (6) and a soil scraping device (3); the housing (9) comprises a left upper side plate (18), a left lower side plate (21), a right upper side plate (25), a right lower side plate (23) and a front baffle plate (22); the transmission device (5) comprises a large belt wheel (15) and a small belt wheel (19); the cutting device (7) comprises a cutting knife roller (29), a plane rotary cutter (27), a knife holder (28), a left shaft head (26), a left bearing with a seat (20), a right shaft head (30) and a right bearing with a seat (24); the grass pressing device (6) comprises a connecting shaft (35), a grass pressing plate (36), a height adjusting device (34) and a connecting plate (31); the soil scraping device (3) comprises a land wheel (41), a connecting rod (37), an actuating mechanism (39) and a frame (38).
Description
Technical Field
The utility model relates to the field of agricultural equipment, in particular to furrow plough anti-clogging device.
Background
The northern first-maturing area is an important rice planting area in China, and the area is high in rice planting density, high in yield and large in straw returning amount. When the rice straw is harvested, the moisture content of the rice straw is low, the rice straw has strong toughness and is difficult to cut, when the conventional furrow plough carries out ploughing operation, long straw which is not cut to be below the standard length is easy to hang on the blade part of the furrow plough, and accumulation and straw congestion are gradually generated along with the advancing of the furrow plough, so that the operation resistance is increased, and the normal turning of the furrow plough is blocked; the tractor can be stopped and adjusted even if the jam is serious, and the operation efficiency is greatly reduced. And after the plowing operation, partial straws are not successfully buried in the soil or the buried depth is insufficient, and the straws which are not well buried float on the water surface during the field soaking and pulping operation in spring, so that the transplanting operation is seriously influenced. Therefore, the anti-blocking device of the furrow plough is developed, the blocking problem of the paddy field ploughing in the northern first-maturing area can be effectively solved, and the ploughing operation effect is improved.
Disclosure of Invention
The utility model aims at designing an anti-blocking device of the furrow plough aiming at the defects of the prior furrow plough in the technical background. A cutting device and a grass pressing device are additionally arranged on the basis of the original furrow plough to cut off the straws in front of the blade part of the furrow plough so as to prevent long straws from being hung on the blade part of the plough body; besides the rear ploughshare which is easy to block, a soil scraping device is additionally arranged, straws and soil adhered to the plough body are intermittently cleaned, serious blocking is prevented, meanwhile, the straws can be pressed to a certain degree, and the straw burying quality is improved. The design has important significance for solving the problem of poor plowing effect in northern once-cropping field straw returning areas, and has good application market.
In order to achieve the above object, the present invention provides the following technical solutions:
an anti-blocking device for a furrow plough comprises a plough frame 1, a plough body 2 and a three-point suspension device 8; wherein, the plow body 2 is positioned at the rear part of the plow frame 1, the upper end of the plow body 2 is fixedly connected with the plow frame 1, and the three-point suspension device 8 is fixed on the front side beam of the plow frame 1;
the anti-blocking device for the furrow plough comprises: the device comprises a housing 9, a gearbox 10, a transmission device 5, a cutting device 7, a grass pressing device 6 and a soil scraping device 3;
the housing 9 comprises a left upper side plate 18, a left lower side plate 21, a right upper side plate 25, a right lower side plate 23 and a front baffle 22; the left upper side plate 18 is connected with the left lower side plate 21; the right upper side plate 25 is connected with the right lower side plate 23; the front baffle is connected with the left lower side plate (21) and the right lower side plate (23);
the right side plate connecting beam 12 is fixedly connected on the plow frame 1 and is connected with a right upper side plate 25; the gearbox 10 is fixed on the right side plate connecting beam 12 through a gearbox bracket 13; the left upper side plate 18 is provided with a left upper belt seat bearing 16, and the gearbox output shaft 14 is arranged on the left upper side plate 18 through the left upper belt seat bearing 16;
the transmission device 5 comprises a large belt wheel 15 and a small belt wheel 19; the large belt wheel 15 is arranged on the output shaft 14 of the gearbox and positioned outside the left upper side plate 18; the small belt wheel 19 is arranged on a left shaft head 26 fixedly connected with a cutter roller 29 and is positioned on the outer side of the left lower side plate 21; the large belt wheel 15 is connected with the small belt wheel 19 through a transmission belt;
the cutting device 7 comprises a cutting knife roller 29, a plane rotary cutter 27, a knife holder 28, a left shaft head 26, a left bearing with a seat 20, a right shaft head 30 and a right bearing with a seat 24; the cutter holders 28 are four in one group, the four cutter holders 28 in each group are uniformly distributed on the circumference of the vertical section of the same axis of the cutting knife roller 29, a plurality of groups of cutter holders 28 are arranged on the cutting knife roller 29 at intervals along a certain distance, and the four cutter holders 28 in adjacent groups are staggered and fixedly connected on the cutting knife roller 29 according to a certain angle; the plane rotary cutter 27 is arranged on the cutter holder 28; the left shaft head 26 is concentrically and fixedly connected to the left side of the cutting knife roll 29, and the left shaft head 26 is arranged on the left lower side plate 21 through the left belt seat bearing 20; the right shaft head 30 is concentrically and fixedly connected to the right side of the cutting knife roller 29; the right spindle head 30 is fixed on the right lower side plate 23 through a right bearing with a seat 24;
the grass pressing device 6 comprises a connecting shaft 35, a grass pressing plate 36, a height adjusting device 34 and a connecting plate 31; the connecting shaft 35 is arranged between the left lower side plate 21 and the right lower side plate 23; the front end of the grass pressing plate 36 is concentrically hinged with the connecting shaft 35, and the rear end of the grass pressing plate is connected with the connecting plate 31 through the height adjusting device 34; the grass pressing plate 36 is formed by bending a rectangular plate, the bottom surface is a horizontal plane, and the front end has a certain radian; the grass pressing plates 36 are arranged on two sides of the plane rotary cutter 27, the bottom surfaces of the grass pressing plates are parallel to the ground surface, and the grass pressing plates and the plane rotary cutter 27 support and cut straws together; the height adjusting device 34 comprises a middle square shaft 32 and a spring 33 on the periphery of the square shaft 32;
the scraping device 3 comprises a land wheel 41, a connecting rod 37, an actuating mechanism 39 and a frame 38;
a convex part 40 is arranged on the side surface of the land wheel 41 close to one side of the plough body 2, and a certain distance is reserved between the convex part 40 and the axle center of the land wheel 41;
a connecting shaft is arranged in front of the land wheel 41, a cylinder is arranged on the connecting shaft, and the cylinder and the connecting shaft are coaxially assembled; the lower end of the frame 38 is fixedly connected with the cylinder, and the upper end is connected to the plow frame 1;
the connecting rod 37 and the actuating mechanism 39 are respectively fixedly connected at two ends of the connecting shaft, wherein the actuating mechanism 39 is positioned at one end closer to the plough body 2; the connecting rod 37 is provided with a second rectangular hole, and the convex part 40 is arranged in the second rectangular hole on the connecting rod 37 and is always in contact with the connecting rod 37 to drive the connecting rod 37 to rotate; the connecting rod 37 drives the actuating mechanism 39 to move around the axis of the connecting shaft along an arc-shaped track by taking the axis of the connecting shaft as the center of a circle and the respective length as the radius.
The frame 38 is fixed on the plow frame 1, the upper part of the frame 38 is provided with a first rectangular hole, and the height of the scraping device 3 can be adjusted by adjusting the relative position of the bolt and the first rectangular hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a furrow plough anti-clogging device, the front portion is equipped with presses grass device 6 and cutting device 7, can effectively cut off the straw, divide into two parts with the straw cutting of plough body dead ahead, avoids the straw to hang at the share cutting part, avoids the straw to pile up and produces the jam, the follow-up upturned soil operation of being convenient for.
The utility model discloses a furrow plough anti-clogging device, its grass pressing device 6 adopt the front end articulated, the mode that the rear end is connected with high adjusting device 34, are favorable to passing through nature to earth's surface profile modeling and increase machines.
The utility model discloses a furrow plough anti-clogging device, its scraper 3 can strike the upturned soil periodically at the upturned soil in-process, reduces soil and adheres, improves the upturned soil operation effect.
The utility model discloses a furrow plough anti-clogging device, its scraper 3's land wheel can play certain suppression effect to the straw of furrow plough front side at the upturned soil in-process, increases the frictional force of straw and earth's surface, improves turning over of straw and buries the quality.
The utility model discloses a furrow plough anti-clogging device on the basis of traditional furrow plough, has installed cutting device 7, pressure grass device 6 and scraper 3 additional. The straw is pressed by the straw pressing plate 36, and the planar rotary cutter 27 cuts off the straw, so that good operating conditions are provided for the furrow plough, and the phenomenon that the furrow plough is blocked due to the accumulation of the straw because the furrow plough edge is hung with the straw is avoided; meanwhile, a soil scraping device 3 is arranged beside the plough body 2, so that soil is effectively scraped, and the soil is prevented from adhering to the curved surface of the plough body 2.
The invention has the innovation points that the grass pressing device 6 is designed to tension the straws to facilitate cutting, so that the cutting rate is improved, and meanwhile, the height adjusting device 34 is arranged to keep the force of the pressing plate on the straws within a reasonable range, so that the straws can be tensioned to a certain degree, and the phenomenon that the grass pressing plate 36 cannot smoothly slide through the straws due to overlarge force is avoided; the plane rotary cutter 27 is correspondingly arranged right ahead of the blade part of the plough share, and the straw in front of the blade part of the plough share is cut into two parts, so that the situation that the straw is excessively hung on the blade part of the plough share is avoided, the straw jam is finally caused, and the plough share turning quality is effectively improved; the soil scraping device 3 is arranged beside the single plough body 2, soil on the curved surface of the plough body 2 is scraped intermittently, adhesion is reduced, and therefore the phenomenon that too much soil is adhered to a plough share to influence the operation quality is avoided, meanwhile, the land wheel 41 of the soil scraping device plays a certain role in pressing the straws on the front side of the plough share, the friction force between the straws and the ground surface is increased, the overturning quality of the straws can be improved, the blockage problem of paddy field overturning in the northern first-maturing area is solved, the overturning operation effect is improved, and the method has great significance and good application market.
Drawings
FIG. 1 is a schematic view of the overall structure of an anti-clogging device for a furrow plough of the present invention;
FIG. 2 is a schematic view of a transmission device of the anti-clogging device for a furrow plough of the present invention;
FIG. 3 is a schematic view of a cutting device of the anti-clogging device of the furrow plough of the present invention;
FIG. 4 is a front view of the grass pressing device assembly of the anti-clogging device of the furrow plough of the utility model;
FIG. 5 is a left side view of the grass pressing device combination of the anti-clogging device of the furrow plough of the utility model;
fig. 6 is a schematic view of a scraping device of the anti-blocking device of the furrow plough of the utility model.
Wherein the reference numerals are:
1. plow frame 2, plow body
3. Soil scraping device 4 and depth wheel
5. Transmission device 6 and grass pressing device
7. Cutting device 8, three-point linkage
9. Housing 10, gearbox
11. Brace rod 12 and right side plate connecting beam
13. Gearbox support 14, gearbox output shaft
15. Big belt wheel 16, left upper belt seat bearing
17. Left side plate connecting beam 18 and left upper side plate
19. Small belt wheel 20, left belt seat bearing
21. Left lower side plate 22 and front baffle plate
23. Lower right side plate 24, right side bearing with seat
25. Right upper side plate 26, left axle head
27. Plane rotary cutter 28, knife holder
29. Cutting knife roller 30, right axle head
31. Connecting plate 32, square shaft
33. Spring 34 and height adjusting device
35. Connecting shaft 36 and grass pressing plate
37. Connecting rod 38, shelf
39. Actuator 40, projection
41. Land wheel
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in figures 1 and 2, the anti-blocking device for the furrow plough comprises a plough frame 1, a plough body 2, a depth wheel 4 and a support rod 11. Wherein, the plow body 2 is positioned at the rear part of the plow frame 1, and the upper end of the plow body 2 is fixedly connected with the plow frame 1. The depth wheel 4 is arranged on the left side beam of the frame 1. The stay bar 11 is hinged above the plow frame 1 through a pin shaft and is used for transmitting the force between the upper part of the three-point suspension device 8 and the back half part of the plow frame 1.
The anti-blocking device for the furrow plough comprises: a housing 9, a three-point suspension device 8, a gearbox 10, a transmission device 5, a cutting device 7, a grass pressing device 6 and a soil scraping device 3.
The housing 9 includes a left upper side plate 18, a left lower side plate 21, a front baffle 22, a right upper side plate 25, and a right lower side plate 23. The left upper side plate 18 is connected with the left lower side plate 21 through a bolt; the right upper side plate 25 is connected with the right lower side plate 23 through a bolt; the front baffle 22 is respectively connected with the left lower side plate 21 and the right lower side plate 23 through bolts. The front baffle 22 can protect the plane rotary cutter 27 which does high-speed circular motion when the machine works, so as to avoid accidents of hurting people.
The three-point suspension device 8 is fixed on a front side beam of the plow frame 1.
The right side plate connecting beam 12 is fixedly connected on the plow frame 1 and is connected with the right upper side plate 25, and the left side plate connecting beam 17 is fixedly connected on the plow frame 1 and is connected with the left upper side plate 18. The gearbox 10 is fixed on a right side plate connecting beam 12 through a gearbox bracket 13. The gearbox 10 is matched with a rear output shaft of the tractor to transmit the power of the tractor to the furrow plough anti-blocking device. An upper left side plate 18 is provided with an upper left belt bearing 16, and the gearbox output shaft 14 is arranged on the upper left side plate 18 through the upper left belt bearing 16.
The transmission 5 comprises a large pulley 15 and a small pulley 19. The large belt wheel 15 is arranged on the output shaft 14 of the gearbox and positioned outside the left upper side plate 18; the small belt wheel 19 is arranged on a left shaft head 26 fixedly connected with a cutter roller 29 and is positioned on the outer side of the left lower side plate 21; the large belt wheel 15 and the small belt wheel 19 are connected through a transmission belt.
As shown in fig. 3, the cutting device 7 includes a cutter roller 29, a plane rotary cutter 27, a cutter holder 28, a left spindle head 26, a left seated bearing 20, a right spindle head 30, and a right seated bearing 24. The knife holders 28 are four in one group, the four knife holders 28 in each group are uniformly distributed on the circumference of the vertical section of the same axis of the cutting knife roller 29, the knife holders 28 in multiple groups are arranged on the cutting knife roller 29 at intervals along a certain distance, and the four knife holders 28 in adjacent groups are staggered and fixedly connected on the cutting knife roller 29 according to a certain angle, so that the stress of the plane rotary knife 27 is balanced during working. The plane rotary cutter 27 is mounted on a cutter holder 28. The left shaft head 26 is concentrically and fixedly connected to the left side of the cutter roller 29, and the left shaft head 26 is arranged on the left lower side plate 21 through the left belt seat bearing 20. The left shaft head 26 is provided with a small belt wheel 19 which is matched with the large belt wheel 15 to transmit the power from the output shaft 14 of the gearbox to the plane rotary cutter 27. The right shaft head 30 is concentrically and fixedly connected to the right side of the cutting knife roller 29; the right stub shaft 30 is fixed to the right lower side plate 23 through a right step bearing 24.
As shown in fig. 4 and 5, the grass pressing device 6 comprises a connecting shaft 35, a grass pressing plate 36, a height adjusting device 34 and a connecting plate 31. The connecting shaft 35 is arranged between the left lower side plate 21 and the right lower side plate 23; the front end of the grass pressing plate 36 is concentrically hinged with the connecting shaft 35, and the rear end is connected with the connecting plate 31 through the height adjusting device 34. The straw pressing plate 36 is formed by bending a rectangular plate, the bottom surface of the straw pressing plate is a horizontal plane, the front end of the straw pressing plate has a certain radian, and the straw pressing plate can conveniently slide over the straw on the ground surface, the side surfaces of the straw pressing plate are shown in fig. 5, the straw pressing plate 36 is arranged on two sides of the plane rotary cutter 27, the bottom surface of the straw pressing plate is parallel to the ground surface, and the straw pressing plate and the plane rotary cutter 27 support and cut the straw together. Due to space limitation, the rotation cutter 27 at the rightmost end surface is only provided with the grass pressing plate 36 at the left side. The height adjusting device 34 comprises a middle square shaft 32 and a spring 33 arranged on the periphery of the square shaft 32, when the straw at the bottom of the straw pressing plate 36 is excessively stressed, the spring 33 is stressed and compressed, so that the straw pressing plate 36 has a good profiling effect, and machines can smoothly pass through the straw. The straw pressing plates 36 and the plane rotary cutter 27 are arranged at intervals, the straw pressing plates 36 on two sides of the plane rotary cutter 27 press the straw tightly to enable the straw to be in a tensioning state, the plane rotary cutter 27 can conveniently slide and cut the straw, the combination can effectively form supporting cutting, the straw in front of the plough share edge is cut into two parts, and the straw is prevented from being hung on the plough share edge.
As shown in fig. 6, the scraping device 3 comprises a ground wheel 41, a connecting rod 37, an actuator 39 and a frame 38.
The side surface of the land wheel 41 close to one side of the plough body 2 is provided with a convex part 40, and a certain distance is reserved between the convex part 40 and the axle center of the land wheel 41. The projecting portion 40 performs a combined motion of a circular motion concentric with the axis of the ground wheel 41 and a linear motion in accordance with the forward direction of the tractor as the ground wheel 41 advances.
A connecting shaft is arranged in front of the land wheel 41, a cylinder is arranged on the connecting shaft, and the cylinder and the connecting shaft are coaxially assembled. The lower end of the frame 38 is fixedly connected with the cylinder, and the upper end is connected to the plow frame 1 through a bolt.
The upper part of the frame 38 is provided with a first rectangular hole, and the height of the scraping device 3 can be conveniently adjusted by adjusting the position of the bolt in the first rectangular hole.
The connecting rod 37 and the actuating mechanism 39 are respectively fixedly connected at two ends of the connecting shaft, wherein the actuating mechanism 39 is positioned at one end closer to the plough body 2. Be equipped with the second slot on connecting rod 37, bulge 40 locates in the second slot on connecting rod 37, contacts with connecting rod 37 all the time, drives connecting rod 37 and rotates. The connecting rod 37 drives the actuating mechanism 39 to move around the axis of the connecting shaft along an arc-shaped track by taking the axis of the connecting shaft as the center of a circle and the respective length as the radius. The actuating mechanism 39 periodically contacts the upturned soil to scrape the soil. When the land wheel 41 rolls forward, the land wheel can play a certain role in pressing the straws in front of the furrow plough side, so that the friction force between the straws and the ground surface is increased, and the overturning and burying quality of the straws is improved.
The utility model discloses a working process:
when the furrow plough works, the furrow plough is hung behind a tractor through the three-point suspension device, the extension of the hydraulic rod is adjusted through a tractor hydraulic system, the lifting of the furrow plough is realized, and the furrow plough depth is adjusted through the adjustment of the height of the depth limiting wheel.
With the advance of the tractor, the straw pressing plates 36 slide over the ground straw and have a certain degree of compaction effect on the straw, so that the straw in the middle of the two straw pressing plates 36 (namely the cutting position of the plane rotary cutter 27) is in a tensioning state. When the amount of the straws is large, the bottom plane part of the straw pressing plate 36 is subjected to a large upward force from the straws, the straw pressing plate 36 tends upwards, the spring 33 of the height adjusting device 34 is compressed, the square shaft 32 of the height adjusting device 34 moves upwards along with the straw pressing plate 36, and the straw pressing plate 36 rotates around the connecting shaft 35 at the front part, so that the straw pressing plate 36 is ensured to slide through the straws.
The power of the tractor is transmitted to the gear box 10 through the universal joint, the gear box 10 transmits the power to the large belt wheel 15 through the gear box output shaft 14, the large belt wheel 15 transmits the power to the small belt wheel 19 through belt transmission, so that the cutting knife roller 29 is driven to rotate, and the plane rotary cutter 27 also rotates along with the cutting knife roller 29 to cut off the straws tensioned by the two adjacent grass pressing plates 36. The straw right in front of the plough blade of the furrow plough is cut into two parts, so that the straw is prevented from being hung on the plough blade, and the ploughshare is prevented from being blocked due to excessive straw accumulation.
Meanwhile, as the implement moves forward, the land wheel 41 of the soil scraping device 3 rotates along with the implement to drive the convex part 40 to do circular motion around the axis of the land scraping wheel 41, the convex part 40 is in contact with the connecting rod 37 to drive the connecting rod 37 and the soil scraping actuator 39 to rotate around the common axis of the connecting rod 37 and the soil scraping actuator 39 to strike the upturned soil intermittently, so that the upturned soil turning and upturned soil crushing of the plough body 2 are facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. An anti-blocking device for a furrow plough comprises a plough frame (1) and a plough body (2); wherein the plough body (2) is positioned at the rear part of the plough frame (1), and the upper end of the plough body (2) is fixedly connected with the plough frame (1); the method is characterized in that:
the anti-blocking device for the furrow plough comprises: the device comprises a housing (9), a gearbox (10), a transmission device (5), a cutting device (7), a grass pressing device (6) and a soil scraping device (3);
the housing (9) comprises a left upper side plate (18), a left lower side plate (21), a right upper side plate (25), a right lower side plate (23) and a front baffle plate (22); the left upper side plate (18) is connected with the left lower side plate (21); the right upper side plate (25) is connected with the right lower side plate (23); the front baffle is connected with the left lower side plate (21) and the right lower side plate (23);
the right side plate connecting beam (12) is fixedly connected on the plow frame (1) and is connected with the right upper side plate (25); the gearbox (10) is fixed on the right side plate connecting beam (12) through a gearbox bracket (13); a left upper bearing (16) with a seat is arranged on the left upper side plate (18), and the output shaft (14) of the gearbox is arranged on the left upper side plate (18) through the left upper bearing (16) with the seat;
the transmission device (5) comprises a large belt wheel (15) and a small belt wheel (19); the large belt wheel (15) is arranged on the output shaft (14) of the gearbox and positioned on the outer side of the left upper side plate (18); the small belt wheel (19) is arranged on a left shaft head (26) fixedly connected with the cutter roller (29) and is positioned on the outer side of the left lower side plate (21); the large belt wheel (15) is connected with the small belt wheel (19) through a transmission belt;
the cutting device (7) comprises a cutting knife roller (29), a plane rotary cutter (27), a knife holder (28), a left shaft head (26), a left bearing with a seat (20), a right shaft head (30) and a right bearing with a seat (24); the cutter seats (28) are four in one group, the four cutter seats (28) in each group are uniformly distributed on the circumference of the vertical section of the same axis of the cutting knife roller (29), a plurality of groups of cutter seats (28) are arranged on the cutting knife roller (29) at intervals along a certain distance, and the four cutter seats (28) in adjacent groups are staggered and fixedly connected on the cutting knife roller (29) according to a certain angle; the plane rotary cutter (27) is arranged on the cutter holder (28); the left shaft head (26) is concentrically and fixedly connected to the left side of the cutting knife roller (29), and the left shaft head (26) is arranged on the left lower side plate (21) through a left bearing with a seat (20); the right shaft head (30) is concentrically and fixedly connected to the right side of the cutting knife roller (29); the right shaft head (30) is fixed on the right lower side plate (23) through a right bearing with a seat (24);
the grass pressing device (6) comprises a connecting shaft (35), a grass pressing plate (36), a height adjusting device (34) and a connecting plate (31); the connecting shaft (35) is arranged between the left lower side plate (21) and the right lower side plate (23); the front end of the grass pressing plate (36) is concentrically hinged with the connecting shaft (35), and the rear end of the grass pressing plate is connected with the connecting plate (31) through a height adjusting device (34); the grass pressing plate (36) is formed by bending a rectangular plate, the bottom surface is a horizontal plane, and the front end has a certain radian; the straw pressing plates (36) are arranged on two sides of the plane rotary cutter (27), the bottom surfaces of the straw pressing plates are parallel to the ground surface, and the straw pressing plates and the plane rotary cutter (27) support and cut straws together; the height adjusting device (34) comprises a square shaft (32) in the middle and a spring (33) on the periphery of the square shaft (32);
the soil scraping device (3) comprises a land wheel (41), a connecting rod (37), an actuating mechanism (39) and a frame (38);
a convex part (40) is arranged on the side surface of one side of the land wheel (41) close to the plough body (2), and a certain distance is reserved between the convex part (40) and the axle center of the land wheel (41);
a connecting shaft is arranged in front of the land wheel (41), a cylinder is arranged on the connecting shaft, and the cylinder and the connecting shaft are coaxially assembled; the lower end of the frame (38) is fixedly connected with the cylinder, and the upper end is connected to the plow frame (1);
the connecting rod (37) and the actuating mechanism (39) are fixedly connected to two ends of the connecting shaft respectively, wherein the actuating mechanism (39) is positioned at one end closer to the plough body (2); a second rectangular hole is formed in the connecting rod (37), and the protruding portion (40) is arranged in the second rectangular hole in the connecting rod (37) and is always in contact with the connecting rod (37) to drive the connecting rod (37) to rotate; the connecting rod (37) drives the actuating mechanism (39) to move around the axis of the connecting shaft along an arc-shaped track by taking the axis of the connecting shaft as the center of a circle and the respective length as the radius.
2. The furrow plow anti-clogging device of claim 1, characterized in that: the frame (38) is fixed on the plow frame (1), the frame (38) is provided with a first rectangular hole, and the height of the scraping device (3) can be adjusted by adjusting the relative position of the bolt and the first rectangular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020184368.9U CN211671206U (en) | 2020-02-19 | 2020-02-19 | Anti-blocking device for furrow plough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020184368.9U CN211671206U (en) | 2020-02-19 | 2020-02-19 | Anti-blocking device for furrow plough |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211671206U true CN211671206U (en) | 2020-10-16 |
Family
ID=72775767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020184368.9U Active CN211671206U (en) | 2020-02-19 | 2020-02-19 | Anti-blocking device for furrow plough |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211671206U (en) |
-
2020
- 2020-02-19 CN CN202020184368.9U patent/CN211671206U/en active Active
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