CN109661864B - Agricultural rotary cultivator - Google Patents

Agricultural rotary cultivator Download PDF

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Publication number
CN109661864B
CN109661864B CN201811625238.8A CN201811625238A CN109661864B CN 109661864 B CN109661864 B CN 109661864B CN 201811625238 A CN201811625238 A CN 201811625238A CN 109661864 B CN109661864 B CN 109661864B
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CN
China
Prior art keywords
rotary
rotary cultivator
agricultural
permanent magnet
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201811625238.8A
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Chinese (zh)
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CN109661864A (en
Inventor
朱志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing City Hechuan District Lianfeng Ecological Agriculture Development Co ltd
Original Assignee
Chongqing City Hechuan District Lianfeng Ecological Agriculture Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing City Hechuan District Lianfeng Ecological Agriculture Development Co ltd filed Critical Chongqing City Hechuan District Lianfeng Ecological Agriculture Development Co ltd
Priority to CN201811625238.8A priority Critical patent/CN109661864B/en
Publication of CN109661864A publication Critical patent/CN109661864A/en
Application granted granted Critical
Publication of CN109661864B publication Critical patent/CN109661864B/en
Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/16Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with special additional arrangements
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/02Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
    • A01B33/021Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/02Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
    • A01B33/028Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel of the walk-behind type
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
    • A01B33/08Tools; Details, e.g. adaptations of transmissions or gearings
    • A01B33/12Arrangement of the tools; Screening of the tools

Abstract

The invention relates to the technical field of agricultural machinery, and particularly discloses an agricultural rotary cultivator which comprises a rotary cultivator body, a rotary cultivation unit and a power unit, wherein the rotary cultivation unit comprises a rotary cultivation shaft, a rotary cultivation blade and a mud guard, the mud guard covers the rotary cultivation blade, the power unit drives the rotary cultivation shaft to rotate, the rotary cultivation shaft is rotatably connected to the rotary cultivator body, the mud guard is attached to the rotary cultivator body, a first permanent magnet is arranged on the rotary cultivator body, the mud guard is an electromagnet, a first groove is formed in the rotary cultivation shaft, a second groove is formed in the mud guard, a second permanent magnet is connected in the second groove in a sliding mode, and a first elastic piece is fixedly connected between the second permanent magnet; the first permanent magnet and the second permanent magnet are opposite to the magnetic poles of the electrified fender. The scheme makes the agricultural rotary cultivator drive the agricultural rotary cultivator to leave the pit by matching the mudguard, the rotary tillage shaft and the rotary cultivator body, and solves the problem that the agricultural rotary cultivator sinks when operating in muddy land or deep water in the prior art.

Description

Agricultural rotary cultivator
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an agricultural rotary cultivator.
Background
The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing, and is widely applied due to the characteristics of strong soil breaking capability, flat ground surface after ploughing and the like.
When the rotary cultivator works, the reaction force generated when the cutter rotates to cut soil is used as traction force to realize advancing, the reaction force is relatively small when a muddy field or a deep water field is cultivated, and the rotary cultivator can rotate in situ when the reaction force is small enough not to pull the machine to advance, so that pits are generated in the muddy field or the deep water field, and finally the rotary cultivator is deeply sunk in the pits; once the rotary cultivator sinks deeply into the pit, no other method except manual rescue is available.
Corresponding solutions have been made to the problem of deep pits in muddy fields or deep water fields of rotary cultivators, for example, the chinese patent invention with the granted publication number CN103703881B discloses an agricultural rotary tillage mechanism, the rotary cultivator body of the mechanism is connected with a mudguard, and the mudguard can be put down or put away; when the mud guard is put down, the mud guard can support the rotary tillage mechanism, so that the rotary tillage mechanism and the rotary tillage blade are prevented from sinking together, the rotary tillage blade is also prevented from sinking, and the rotary tillage mechanism is prevented from sinking to stop working; when the mudguard is folded, the mudguard is close to the rotary cultivator body, and the normal running of the rotary cultivator body is not influenced.
Although the problem of the subsidence of rotary tillage mechanism has been solved among the prior art, the fender can only support the frame, and can't let rotary tillage mechanism leave the pit, if will make rotary tillage mechanism leave the pit position, still need the manual work to lift rotary tillage mechanism away.
Disclosure of Invention
The invention aims to provide an agricultural rotary cultivator to solve the problem that the agricultural rotary cultivator sinks when the agricultural rotary cultivator works in muddy land or deep water in the prior art.
In order to achieve the above object, the basic scheme of the invention is as follows:
the agricultural rotary cultivator comprises a rotary cultivator body, a rotary cultivation unit and a power unit, wherein the rotary cultivation unit comprises a rotary cultivation shaft, a rotary cultivation blade and a mud guard, the mud guard covers the rotary cultivation blade, the power unit drives the rotary cultivation shaft to rotate, the rotary cultivation shaft is connected to the mud guard in a sliding mode, the rotary cultivation shaft is connected to the rotary cultivator body in a rotating mode, the mud guard is attached to the rotary cultivator body, a first permanent magnet is arranged on the rotary cultivator body, the mud guard is an electromagnet, a first groove is formed in the rotary cultivation shaft, a second groove is formed in the mud guard, the first groove and the second groove are matched to form a sliding groove, a second permanent magnet is connected in the second groove in a sliding mode and can slide in the sliding groove, and a first elastic piece is fixedly connected between the second permanent magnet and the bottom; the first permanent magnet and the second permanent magnet are opposite to the magnetic poles of the electrified fender.
Compare the beneficial effect in prior art:
firstly, when the agricultural rotary cultivator is in normal use, the mudguard is fixedly connected with the rotary cultivator body and used for blocking mud and splashed mud water; when the agricultural rotary cultivator sinks, the electrified power supply of the fender is manually disconnected, so that the fender loses magnetism, the second permanent magnet moves between the first groove and the second groove under the action of the first elastic piece, and the second permanent magnet becomes a connecting piece of the fender and the rotary tillage shaft, so that the fender rotates along with the rotary tillage shaft. The fender rotates, thereby it rotates around the rotary tillage axle to drive the fender, because of the fender covers on the rotary blade, thereby the fender is greater than the maximum radius when rotary blade rotates around the rotary tillage axle around rotary blade pivoted minimum radius, and then make the fender insert in the earth outside the pit along with rotating, the fender continues the pivoted in-process, on the one hand with the earth compaction, on the other hand, fill into the pit with the earth between fender and the rotary blade, make the rotary blade cut the reaction force increase that earth produced, the reaction force of increase becomes traction force, and then drive agricultural rotary cultivator and sail away from the pit, the condition that the prior art cultivator absorbed in the pit and can't remove has been avoided appearing lifting, the problem that can only rely on the manual work to leave the pit with the rotary cultivator among the prior art has also been solved.
Secondly, the rotary cultivator can be fast walked out from the pit after the fender rotates to hardly influence the speed of ploughing soil of agricultural rotary cultivator, for the rotary blade rotation in situ that appears among the prior art or the circumstances that supports in situ, this scheme has improved the work efficiency of agricultural rotary cultivator greatly.
Thirdly, if in the deep water field, the mud guard of the agricultural rotary cultivator is equivalent to a paddle when rotating along with the rotary tillage shaft after rotating, the mud guard stirs water in the deep water field, the water gives the mud guard forward thrust, and the thrust forces the agricultural rotary cultivator to gradually leave the deep water area, so that the probability that the agricultural rotary cultivator is lifted from muddy water manually is reduced, and the problem of high labor intensity caused by manually lifting the rotary cultivator from a pit is solved.
Furthermore, the fender includes backup pad and arc, the backup pad is the electro-magnet, the backup pad pastes with the rotary cultivator body mutually, backup pad sliding connection is epaxial in the rotary tillage, the second recess is located the backup pad, arc fixed connection is in the backup pad, the arc cover is on the rotary blade.
The arc-shaped plate has the beneficial effects that when the mudguard rotates to drive the agricultural rotary cultivator to drive away from the pit, the arc-shaped plate can ensure that the agricultural rotary cultivator is more stable when moving forward compared with the condition that the mudguard is made into a square shape.
Furthermore, a plurality of blocking pieces parallel to the rotary tillage shaft are arranged on the arc-shaped plate.
Has the advantages that: when the rotary cultivator is in soft soil, the blocking piece on the arc-shaped plate is inserted into the soil farther out of the pit, and when the blocking piece rotates, the blocking piece generates a large reaction force when cutting the soil, so that the agricultural rotary cultivator can be driven away from the pit more quickly.
Furthermore, rake teeth are arranged on the arc-shaped plate. Due to the rake teeth, when the agricultural rotary cultivator cultivates soil on uneven soil, the rake teeth rake the soil at the raised position to the recessed position, and then the uneven soil becomes flat.
Furthermore, the supporting plate is in a disc-shaped cam shape, an auxiliary unit is hinged to the rotary cultivator body and comprises a pressing block, a swinging rod and a second elastic piece, the auxiliary unit is hinged to the rotary cultivator body through the swinging rod, one end of the swinging rod is connected with the pressing block, the upper surface of the other end of the swinging rod is connected with the second elastic piece, the lower surface of the other end of the swinging rod abuts against the supporting block, and the other end of the second elastic piece is fixedly connected to the rotary cultivator body.
Has the advantages that: along with the continuous rotation of the supporting plate, the supporting plate is continuously loosened to be abutted against the swing rod, so that the swing rod continuously swings up and down, the pressing block connected with the left end of the swing rod also moves up and down along with the swing rod, and the soft soil is compacted once when the pressing block moves down once; the compaction block is positioned in the advancing direction of the agricultural rotary cultivator, so that soft soil to be cultivated becomes compact, and the probability that the agricultural rotary cultivator sinks into a pit due to the soft soil is reduced.
Furthermore, a pointed cone is arranged on the pressing block.
The soil plowing device has the beneficial effects that when the agricultural rotary cultivator plows soil in uneven field, the pointed cone on the pressing block punctures the protruded blocking soil to form loose soil, and the loose soil is pushed to the concave position under the action of the pressing block, which is equivalent to the primary leveling treatment of the soil to be plowed.
Furthermore, the rotary cultivator body is also provided with walking wheels.
The rotary cultivator has the advantages that when the rotary cultivator is cultivated on the land with low cultivation requirement, the tracking control on the rotary cultivator can be manually released, the rotary cultivator keeps balance under the action of the travelling wheels and the rotary blade, and the rotary cultivator performs automatic forward cultivation under the action of the travelling wheels, so that the labor is saved; in addition, when the rotary cultivator is operated manually to plough soil, the walking wheels are supported, so that the force required by manually supporting the rotary cultivator is smaller, and the labor intensity of workers is favorably reduced.
Further, the traveling wheels are driven by a power unit.
The agricultural rotary cultivator has the beneficial effect that the condition that the soil cultivating efficiency of the agricultural rotary cultivator is reduced due to the lack of power of the travelling wheels is avoided.
Drawings
FIG. 1 is a front elevation view with partial cutaway of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
fig. 3 is a left side view of the rotary tilling unit and the auxiliary unit of fig. 1;
fig. 4 is an enlarged schematic view of B in fig. 3.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the rotary cultivator comprises a rotary cultivator body 1, a rotary tillage unit 2, a power unit 3, an auxiliary unit 4, a rotary tillage shaft 5, rotary tillage blades 6, a mudguard 7, walking wheels 8, a supporting plate 9, an arc-shaped plate 10, a second groove 91, a blocking piece 11, rake teeth 12, a first groove 51, a sliding groove 13, a second permanent magnet 14, a first pressure spring 15, a pressing block 16, a swinging rod 17, a second pressure spring 18 and a pointed cone 19.
The embodiment is substantially as shown in fig. 1 to 4:
combine fig. 1 and fig. 2, agricultural rotary cultivator, including rotary cultivator organism 1 and install rotary tillage unit 2 on rotary cultivator organism 1, power unit 3, auxiliary unit 4 and walking wheel 8, rotary tillage unit 2 includes rotary tillage axle 5, rotary blade 6 and fender 7, fender 7 covers on rotary blade 6, rotary tillage axle 5 sliding connection is on fender 7, rotary tillage axle 5 rotates to be connected on rotary cultivator organism 1, walking wheel 8 and rotary tillage axle 5 are driven by power unit 3.
Referring to fig. 2 and 3, the mudguard 7 comprises a support plate 9 and an arc-shaped plate 10, the support plate 9 is a sucker-type electromagnet, the support plate 9 is in a disk-shaped cam shape, the support plate 9 is attached to the rotary cultivator body 1, the rotary cultivation shaft 5 is slidably connected to the support plate 9 of the mudguard 7, the support plate 9 is provided with a second groove 91, the arc-shaped plate 10 is fixedly connected to the support plate 9, and the arc-shaped plate 10 covers the rotary cultivation blade 6; a plurality of blocking pieces 11 parallel to the rotary tillage shaft 5 are arranged on the arc-shaped plate 10; the lower part of the arc-shaped plate 10 close to one side of the walking wheel 8 is provided with harrow teeth 12 facing the ground.
With reference to fig. 2 to 4, a first permanent magnet is disposed on the surface of the rotary cultivator body 1, which is attached to the supporting plate 9, a first groove 51 is disposed on the rotary cultivating shaft 5, the first groove 51 and the second groove 91 are matched to form a sliding groove 13, a second permanent magnet 14 is slidably connected in the second groove 91, the second permanent magnet 14 can slide in the sliding groove 13, the magnetic poles of the first permanent magnet and the second permanent magnet 14 are opposite to those of the electrified supporting plate 9, and a first pressure spring 15 is fixedly connected between the second permanent magnet 14 and the bottom of the second groove 91; the rotary cultivator body 1 can be fixedly connected with the supporting plate 9 through the first permanent magnet, and the supporting plate 9 drives the arc-shaped plate 10 to play a role in blocking splashing of soil; when the second permanent magnet 14 slides into the coupling position of the first recess 51 and the second recess 91, the second permanent magnet 14 couples the support plate 9 and the rotary tillage shaft 5 together, so that the support plate 9 rotates together with the rotary tillage shaft 5.
With reference to fig. 2 and 3, the auxiliary unit 4 includes a pressing block 16, a swing rod 17 and a second pressure spring 18, the auxiliary unit 4 is hinged to the rotary cultivator body 1 through the swing rod 17, the left end of the swing rod 17 is fixedly connected with the pressing block 16, the lower surface of the right end of the swing rod 17 abuts against the outer contour of the supporting block, the upper surface of the right end of the swing rod 17 is fixedly connected with the second pressure spring 18, and the other end of the second pressure spring 18 is fixedly connected to the rotary cultivator body 1; the pressing block 16 is provided with a pointed cone 19, the pressing block 16 is positioned in front of the rotary tillage unit 2 when the agricultural rotary cultivator normally ploughs forwards (the pressing block 16 is positioned on the left side of the rotary tillage unit 2 in fig. 1), and the travelling wheels 8 are positioned behind the rotary tillage unit 2 when the agricultural rotary cultivator normally ploughs forwards (the travelling wheels 8 are positioned on the right side of the rotary tillage unit 2 in fig. 1).
The specific implementation process is separately explained by the condition that the agricultural rotary cultivator is in three different states:
firstly, an agricultural rotary cultivator is in a normal soil cultivation state:
when the agricultural rotary cultivator is in a normal soil plowing state, the second permanent magnet 14 compresses the first pressure spring 15, and the second permanent magnet 14 is adsorbed by the energized support plate 9, so that the compressed first pressure spring 15 and the second permanent magnet 14 are still in the second groove 91, the support plate 9 is attracted with the first permanent magnet on the rotary cultivator body 1, and the support plate 9 and the rotary cultivator body 1 are further relatively still; the arc-shaped plate 10 fixedly connected with the supporting plate 9 can block splashed soil, so that the soil is prevented from polluting people ploughing around the agricultural rotary cultivator.
Due to the existence of the rake teeth 12, when the agricultural rotary cultivator cultivates soil on uneven soil, the rake teeth 12 rake the soil at the convex position to the concave position, so that the uneven soil becomes smoother.
When the agricultural rotary cultivator cultivates soil in uneven field, the pointed cone 19 on the pressing block 16 punctures the protruded soil blocks to form loose soil, and the loose soil is pushed to the sunken position under the action of the pressing block 16, which is equivalent to the primary leveling treatment of the soil to be cultivated.
Secondly, when the agricultural rotary cultivator sinks into a pit in muddy land or soft soil:
when the agricultural rotary cultivator sinks into a pit in muddy land or soft soil, the power switch of the supporting plate 9 is manually switched off, so that the supporting plate 9 is powered off, the magnetism of the supporting plate 9 disappears, and the magnetic attraction between the first permanent magnet and the supporting plate 9 is lost; and second permanent magnet 14 is close to rotary tillage axle 5 under the elastic action of first pressure spring 15, and when first recess 51 on rotary tillage axle 5 rotated to correspond with second recess 91 on the backup pad 9, second permanent magnet 14 was pushed to the junction of first recess 51 and second recess 91 by first pressure spring 15, is equivalent to second permanent magnet 14 and connects backup pad 9 key-type on rotary tillage axle 5, and then makes backup pad 9 can follow rotary tillage axle 5 and rotate together.
The supporting plate 9 rotates to drive the arc-shaped plate 10 to rotate around the rotary tillage shaft 5, and as the arc-shaped plate 10 covers the rotary tillage blades 6, the minimum radius of the arc-shaped plate 10 rotating around the rotary tillage shaft 5 is larger than the maximum radius of the rotary tillage blades 6 rotating around the rotary tillage shaft 5, so that the arc-shaped plate 10 is inserted into soil outside the pit along with rotation, and in the process that the arc-shaped plate 10 continuously rotates, on one hand, the soil is compacted, on the other hand, the soil between the arc-shaped plate 10 and the rotary tillage blades 6 is filled into the pit, and the reaction force generated by soil cutting of the rotary tillage blades 6 is increased; meanwhile, the blocking pieces 11 on the arc-shaped plates 10 cut soil to generate larger reaction force, so that the agricultural rotary cultivator can be driven away from the pit faster.
The agricultural rotary cultivator can smoothly leave the pit through the supporting plate 9, the arc-shaped plate 10 and the blocking piece 11, so that the situation that the agricultural rotary cultivator and the rotary blade 6 rotate in situ at the pit and cannot advance is avoided; meanwhile, the problem that the agricultural rotary cultivator needs to be lifted off the pit manually is solved.
Because the supporting plate 9 is in a cam shape, when the supporting plate 9 rotates downwards, the supporting plate 9 slowly breaks away from the abutment with the right end of the swing rod 17, the right end of the swing rod 17 swings downwards under the action of the second pressure spring 18, and then the left end of the swing rod 17 is driven to swing upwards; when the supporting plate 9 rotates upwards, the supporting plate 9 jacks up the right end of the swing rod 17 gradually, and the left end of the swing rod 17 swings downwards; therefore, the swing rod 17 swings up and down once when the supporting plate 9 rotates for one circle. Along with the continuous rotation of the supporting plate 9, the swing rod 17 continuously swings up and down, the pressing block 16 connected with the left end of the swing rod 17 also moves up and down along with the swing rod 17, and the pressing block 16 compacts soft soil once when moving down once; because the compaction block 16 is positioned in the advancing direction of the agricultural rotary cultivator, the soft soil to be cultivated becomes compact, and the probability that the agricultural rotary cultivator sinks into a pit due to the soft soil is reduced.
Thirdly, when the agricultural rotary cultivator enters the deep water field:
when agricultural rotary cultivator walks to in the deep water field, backup pad 9 outage, backup pad 9 rotates with rotary tillage axle 5 together, and then drives the arc 10 and rotates, pivoted arc 10 is equivalent to a oar, the water in the arc 10 stirring water field for water gives arc 10 a forward thrust, this thrust makes agricultural rotary cultivator leave the deep water district gradually, and then has reduced the artifical probability of lifting from agricultural rotary cultivator in the deep water district, also solved the artifical problem that intensity of labour is big that lifts the rotary cultivator from the deep water district and bring simultaneously.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (7)

1. Agricultural rotary cultivator, including rotary cultivator organism, rotary tillage unit and power pack, the rotary tillage unit includes rotary tillage axle, rotary blade and fender, fender mud board cover is on the rotary blade, power pack drives the rotary tillage axle and rotates its characterized in that: the rotary tillage shaft is rotatably connected to a rotary tillage machine body, the fender is attached to the rotary tillage machine body, a first permanent magnet is arranged on the rotary tillage machine body, the fender is an electromagnet, a first groove is formed in the rotary tillage shaft, a second groove is formed in the fender, the first groove and the second groove are matched to form a sliding groove, a second permanent magnet is connected in the second groove in a sliding mode and can slide in the sliding groove, and a first elastic piece is fixedly connected between the second permanent magnet and the bottom of the second groove; the first permanent magnet and the second permanent magnet are opposite to the magnetic poles of the electrified fender;
the mud guard comprises a support plate and an arc-shaped plate, the support plate is an electromagnet, the support plate is attached to the rotary cultivator body, the support plate is connected to the rotary tillage shaft in a sliding mode, the second groove is located in the support plate, the arc-shaped plate is fixedly connected to the support plate, and the arc-shaped plate covers the rotary tillage cutter;
when the supporting plate is electrified, the second permanent magnet is positioned in the second groove, and the supporting plate does not influence the rotation of the rotary tillage shaft; when the backup pad outage, the second permanent magnet slides in the hookup location of first recess and second recess, and the second permanent magnet is in the same place backup pad and rotary tillage axle connected for the backup pad rotates with the rotary tillage axle together.
2. An agricultural rotary cultivator as claimed in claim 1, wherein: and the arc-shaped plate is provided with a plurality of blocking pieces parallel to the rotary tillage shaft.
3. An agricultural rotary cultivator as claimed in claim 2, wherein: rake teeth are arranged on the arc-shaped plate.
4. An agricultural rotary cultivator as claimed in claim 1, wherein: the supporting plate is in a disc-shaped cam shape, an auxiliary unit is hinged to the rotary cultivator body and comprises a pressing block, a swinging rod and a second elastic piece, the auxiliary unit is hinged to the rotary cultivator body through the swinging rod, one end of the swinging rod is connected with the pressing block, the upper surface of the other end of the swinging rod is connected with the second elastic piece, the lower surface of the other end of the swinging rod abuts against the supporting block, and the other end of the second elastic piece is fixedly connected to the rotary cultivator body.
5. An agricultural rotary cultivator as claimed in claim 4, wherein: and a pointed cone is arranged on the pressing block.
6. An agricultural rotary cultivator as claimed in claim 1, wherein: and the rotary cultivator body is also provided with traveling wheels.
7. An agricultural rotary cultivator as claimed in claim 6, wherein: the walking wheels are driven by a power unit.
CN201811625238.8A 2018-12-28 2018-12-28 Agricultural rotary cultivator Expired - Fee Related CN109661864B (en)

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Application Number Priority Date Filing Date Title
CN201811625238.8A CN109661864B (en) 2018-12-28 2018-12-28 Agricultural rotary cultivator

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CN201811625238.8A CN109661864B (en) 2018-12-28 2018-12-28 Agricultural rotary cultivator

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CN109661864A CN109661864A (en) 2019-04-23
CN109661864B true CN109661864B (en) 2021-06-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111742631A (en) * 2020-08-13 2020-10-09 江西赣发机械制造有限公司 Improved rotary cultivator fender structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002101702A (en) * 2000-09-28 2002-04-09 Toshitaka Miyazaki Rotary blade for tractor
CN200969740Y (en) * 2006-09-21 2007-11-07 李隆富 Anti-sinking device for cultivator
CN202232042U (en) * 2011-09-03 2012-05-30 周勇敢 Rotary blade of sinking-resistant micro-tillage machine
CN202750421U (en) * 2012-06-29 2013-02-27 常州大道机械有限公司 Mini-tiller anti-sinking drag-reduction tillage wheel
CN203633076U (en) * 2013-12-20 2014-06-11 绵阳市伊俊农机有限公司 Agricultural rotary tillage mechanism
CN205510685U (en) * 2015-09-18 2016-08-31 陈世福 Prevent getting deeply stuck in type rotary cultivator
CN206713271U (en) * 2016-12-20 2017-12-08 江苏省海洋资源开发研究院(连云港) A kind of anti-rotary cultivator got deeply stuck in
CN206423056U (en) * 2017-01-25 2017-08-22 衢州天广农机有限公司 A kind of rotary tillage pitch can hand-adjusting type agricultural rotary tiller
CN107493696A (en) * 2017-08-31 2017-12-22 德清菁英信息科技有限公司 One kind is anti-to get deeply stuck in rotary cultivator

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