CN108093842B - High-speed low-loss circulating rape cutter - Google Patents

High-speed low-loss circulating rape cutter Download PDF

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Publication number
CN108093842B
CN108093842B CN201810075782.3A CN201810075782A CN108093842B CN 108093842 B CN108093842 B CN 108093842B CN 201810075782 A CN201810075782 A CN 201810075782A CN 108093842 B CN108093842 B CN 108093842B
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China
Prior art keywords
cutting knife
chain
cutting
sprocket
chain wheel
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Expired - Fee Related
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CN201810075782.3A
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Chinese (zh)
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CN108093842A (en
Inventor
罗海峰
张贝贝
肖霄
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Hunan Agricultural University
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Hunan Agricultural University
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Priority to CN201810075782.3A priority Critical patent/CN108093842B/en
Publication of CN108093842A publication Critical patent/CN108093842A/en
Application granted granted Critical
Publication of CN108093842B publication Critical patent/CN108093842B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

A high-speed low-loss circulating rape cutter comprises a power driving structure arranged on a rack (2), wherein a cutting knife driven sprocket (17) is fixedly arranged at one end in front of the rack, a cutting knife driving sprocket (18) is fixedly arranged at the other end of the rack, the power driving structure is connected with the cutting knife driving sprocket, a cutting chain (3) is arranged between the cutting knife driving sprocket and the cutting knife driven sprocket in a surrounding manner, rotating shafts of the cutting knife driven sprocket and the cutting knife driving sprocket are arranged perpendicular to the ground, and a movable blade (4) is respectively arranged on each chain link on the cutting chain; an upper cover plate (5) is arranged above the cutting knife driven chain wheel and the cutting knife driving chain wheel, a lower supporting plate (11) is arranged below the cutting knife driven chain wheel, a plurality of upper fixed knives (6) are fixedly connected in front of the upper cover plate, a plurality of lower fixed knives (12) are fixedly arranged in front of the lower supporting plate, a gap (D) is reserved between the upper fixed knives and the lower fixed knives, and the movable blade extends out of the gap (D). The invention has high cutting speed, small self vibration of the movable blade and small loss of rape falling grains.

Description

High-speed low-loss circulating rape cutter
Technical Field
The invention relates to the technical field of cutting devices, in particular to a high-speed low-loss circulating type rape cutter.
Background
The rape harvester is a key link for the mechanized harvesting of the rape, and the cutting device is an important component of the rape harvester. The existing cutting device suitable for the rape harvester is mainly a reciprocating cutter, and has the problems of low cutting speed, large inertia and machine vibration during cutting operation, and large rape grain falling loss.
Disclosure of Invention
The invention aims to solve the technical problems that the existing rape cutting device is low in cutting speed and large in inertia and machine vibration, and provides a high-speed low-loss circulating rape cutter which can realize high-speed cutting, is low in vibration and has low rape loss.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-speed low-loss circulating rape cutter comprises a power driving structure arranged on a frame, wherein a cutting knife driven sprocket is fixedly arranged at one end in front of the frame, a cutting knife driving sprocket is fixedly arranged at the other end of the frame, the power driving structure is connected with the cutting knife driving sprocket, a cutting chain is arranged between the cutting knife driving sprocket and the cutting knife driven sprocket in a surrounding manner, rotating shafts of the cutting knife driven sprocket and the cutting knife driving sprocket are arranged perpendicular to the ground, and a moving blade is respectively arranged on each chain link on the cutting chain; an upper cover plate is arranged above the cutting knife driven chain wheel and the cutting knife driving chain wheel, a lower supporting plate is arranged below the cutting knife driven chain wheel, a plurality of upper fixed knives are fixedly connected with the front of the upper cover plate, a plurality of lower fixed knives are fixedly arranged in the front of the lower supporting plate, a gap is reserved between the upper fixed knives and the lower fixed knives, and the movable blade extends out of the gap. Therefore, the invention adopts the cutting chain which is arranged on the cutting knife driving chain wheel and the cutting knife driven chain wheel in a surrounding way to realize the circular cutting motion, the circular cutting speed is between the reciprocating cutting speed of 1m/s-1.3m/s and the disc cutting speed of 4m/s-8m/s, and the self vibration of the movable blade is small, so that the loss of the rape falling grains is small.
The further improvement of the scheme is that the inner side of the cutting chain positioned at the front is provided with a positioning lath for preventing the cutting chain from moving backwards. The positioning plate is fixed on the lower supporting plate, the positioning lath is formed by fixing single chain links one by one, and the chain links of the cutting chain and the chain links of the positioning lath are mutually staggered and embedded. The positioning lath is fixed on a fixing supporting rod through a connecting sheet, and the fixing supporting rod is fixed on the lower supporting plate.
The further improvement of the scheme is that a lower fixed cutter fixing frame is arranged in front of the lower supporting plate, the lower fixed cutter is arranged on the lower supporting plate through the lower fixed cutter fixing frame, and the lower fixed cutter fixing frame is arranged in front of the cutting chain, so that the cutting chain is effectively prevented from moving forwards.
The further improvement of the proposal is that guide rails for preventing the cutting chain from moving up and down are arranged on both sides of the rotating shaft of the cutting knife driven sprocket and the rotating shaft of the cutting knife driving sprocket.
The further improvement of the proposal is that a guide plate is arranged between the lower fixed cutter fixing frame and the lower supporting plate, so that the cut rape stalks can smoothly move to the lower part of the whole machine.
The power driving structure comprises a motor fixedly mounted on the frame, an output chain wheel is arranged on an output shaft of the motor, a driving chain wheel is arranged on a rotating shaft of the cutting knife driving chain wheel, and a transmission chain is arranged between the output chain wheel and the driving chain wheel.
The movable blade is arranged on the cutting chain, the upper fixed cutter and the lower fixed cutter form double supports during cutting operation, the movable blade completes cutting operation on crop stalks along with the circular motion of the cutting chain while the upper fixed cutter and the lower fixed cutter are forwardly inserted into rape clusters, the cutting speed is high, the vibration of the movable blade is small, and the loss of rape grain falling is small.
Drawings
FIG. 1 is a top view of the high-speed low-loss circulating rape cutter of the present invention.
FIG. 2 is a partial bottom view of the high-speed low-loss circulating rape cutter of the present invention.
FIG. 3 is a partial top view structure of the high-speed low-loss circulating rape cutter of the present invention with the upper cover removed.
Fig. 4 is a partial a-a sectional view of fig. 3.
FIG. 5 is a partial three-dimensional structure diagram of the high-speed low-loss circulating rape cutter of the invention.
In the figure: 1. a motor; 2. a frame; 3. cutting the chain; 4. a movable blade; 5. an upper cover plate; 6. an upper fixed cutter; 7. positioning the lath; 8. a tension wheel; 9. a connecting rod; 10. connecting sheets; 11. a lower support plate; 12. a lower fixed cutter; 13. a drive chain; 14. a small driving sprocket; 15. a lower stationary knife fixing frame; 16. a guide rail; 17. a cutter driven sprocket; 18. a cutter driving sprocket; 19. a drive sprocket; 20. a guide plate; 21. a bolt; 22 rivets; 23. and fixing the supporting rod.
Detailed Description
As shown in fig. 1 to 5, the high-speed low-loss circulation type rape cutter of the invention mainly comprises a motor 1, a frame 2, a cutting chain 3, a movable blade 4, an upper cover plate 5, an upper fixed cutter 6, a positioning lath 7, a tension wheel 8, a connecting rod 9, a connecting sheet 10, a lower supporting plate 11, a lower fixed cutter 12, a transmission chain 13, an output chain wheel 14, a lower fixed cutter fixing frame 15, a guide rail 16, a cutter driven chain wheel 17, a cutter driving chain wheel 18, a driving chain wheel 19, a guide plate 20, a bolt 21, a rivet 22, a fixing support rod 23 and the like. Wherein, motor 1 fixed mounting sets up output sprocket 14 on frame 2, the output shaft of motor 1. A cutting knife driven sprocket 17 is fixedly arranged at one end in front of the frame 2, a cutting knife driving sprocket 18 is fixedly arranged at the other end of the frame, the cutting knife driven sprocket 17 is connected with the cutting knife driving sprocket 18 through a cutting chain 3, the rotating shafts of the cutting knife driven sprocket 17 and the cutting knife driving sprocket 18 are arranged perpendicular to the ground, and a movable blade 4 is fixedly arranged on each chain link on the cutting chain 3. A drive sprocket 19 is provided on the rotation axis of the cutter drive sprocket 18, and a transmission chain 13 is provided between the output sprocket 14 of the motor 1 and the drive sprocket 19 to transmit the output of the motor 1 to the cutter drive sprocket 18. Guide rails 16 are provided on both sides of the rotation axis of the cutter driven sprocket 17 and the rotation axis of the cutter driving sprocket 18 to prevent the cutting chain 3 from moving up and down. The upper cover plate 5 is arranged above the cutting knife driven chain wheel 17 and the cutting knife driving chain wheel 18, and the lower support plate 11 is arranged below the cutting knife driven chain wheel and the cutting knife driving chain wheel. The front of the upper cover plate 5 is fixedly connected with a plurality of upper fixed knives 6 through rivets, a plurality of lower fixed knife fixing frames 15 are fixedly arranged on the lower supporting plate 11 through bolts 21, the lower fixed knives 12 are fixedly arranged on the lower fixed knife fixing frames 15 through rivets 22, a gap D is reserved between the upper fixed knives 6 and the lower fixed knives 12, the movable knife blades 4 arranged on the cutting chain 3 extend out of the gap D, and the height of the movable knife blades 4 is basically consistent with that of the upper fixed knives 6 and the lower fixed knives 12. The lower fixed cutter fixing frame 15 is arranged in front of the cutting chain 3 to limit the forward movement of the cutting chain 3 and the movable blade 4; the inner side of the cutting chain 3 is provided with a positioning lath 7, the positioning lath 7 is fixed together by single chain joints of one joint to form a whole, chain links of the cutting chain 3 and chain links of the positioning lath 7 are staggered and embedded mutually, so that the cutting chain 3 advances along the positioning lath 7, the positioning lath 7 is fixed on a fixed supporting rod 23 through a connecting piece 10, the fixed supporting rod 23 is fixed on a lower supporting plate 11, and the positioning lath 7 is fixed behind the cutting chain 3 so as to limit the backward movement of the cutting chain 3 and the movable blade 4. A guide plate 20 is arranged between the lower fixed cutter fixing frame 15 and the lower supporting plate 11 so that the cut rapes can smoothly pass below the whole machine. The inner side of the cutting chain 3 is also provided with a tension wheel 8 which enables the cutting chain 3 to keep a tension state, one end of the tension wheel 8 is propped against the cutting chain 3, and the other end of the tension wheel is fixedly connected with a lower supporting plate 11 through a connecting rod 9.
When the cutting machine works, power is output by the motor 1, the power is transmitted to the driving chain wheel 19 through the output chain wheel 14 of the motor 1 and the transmission chain 13 to drive the cutting knife driving chain wheel 18, and the cutting chain 3 is driven to do circular motion around the cutting knife driving chain wheel 18 and the cutting knife driven chain wheel 17. During cutting operation, the upper fixed cutter 6 and the lower fixed cutter 12 form double supports, the upper fixed cutter 6 and the lower fixed cutter 12 are simultaneously inserted into rape clusters forwards, the movable blade 4 passes through the space between the upper fixed cutter 6 and the lower fixed cutter 12 along with the circulating motion of the cutting chain 3 to cut crop stalks, and the cut rapes are transited to the lower side of the whole machine along the guide plate 20. In order to enable the movable blade 4 to move according to a fixed track during cutting operation, the movable blade 4 is limited forwards and backwards by a positioning lath 7 arranged behind the cutting chain 3 and a lower fixed blade fixing frame 15 arranged in front of the cutting chain 3, the movable blade 4 is limited upwards and downwards by a guide rail 16, and the movable blade 4 is always kept in a limiting track consisting of the lower fixed blade fixing frame 15, the positioning lath 7, an upper cover plate 5 and a lower supporting plate 11.
The above embodiments are described by taking the example of rape cutting, but it is not understood that the embodiments are only applicable to rape cutting, and the related cutting field that can be conceived by those skilled in the art should be covered within the scope of the present invention.

Claims (6)

1. A high-speed low-loss circulating rape cutter comprises a power driving structure arranged on a rack (2), and is characterized in that one end in front of the rack is fixedly provided with a cutting knife driven sprocket (17), the other end is fixedly provided with a cutting knife driving sprocket (18), the power driving structure is connected with the cutting knife driving sprocket, a cutting chain (3) is arranged between the cutting knife driving sprocket and the cutting knife driven sprocket in a surrounding manner, rotating shafts of the cutting knife driven sprocket and the cutting knife driving sprocket are arranged perpendicular to the ground, and each chain link on the cutting chain is respectively provided with a movable blade (4); an upper cover plate (5) is arranged above the cutting knife driven chain wheel and the cutting knife driving chain wheel, a lower supporting plate (11) is arranged below the cutting knife driven chain wheel and the cutting knife driving chain wheel, a plurality of upper fixed knives (6) are fixedly connected to the front of the upper cover plate, a plurality of lower fixed knives (12) are fixedly arranged in the front of the lower supporting plate, a gap (D) is reserved between the upper fixed knives and the lower fixed knives, and the movable blade extends out of the gap (D); the cutting chain's the place ahead sets up lower stationary knife mount (15) that prevents the cutting chain antedisplacement, the inboard of cutting chain sets up prevents that the location lath (7) that the cutting chain moved backward, cutting knife driven sprocket's the rotation axis and cutting knife drive sprocket's rotation axis both sides set up guide rail (16) that prevent the cutting chain from upper and lower removal.
2. The high-speed low-loss circulating rape cutter as claimed in claim 1, wherein the positioning plate is fixed on the lower supporting plate and is formed by fixing single chain links one by one, and the chain links of the cutting chain and the chain links of the positioning plate are staggered and embedded with each other.
3. The high speed low loss circulating rape cutter of claim 1, wherein the locating bar is secured by a connecting tab (10) to a fixing strut (23) secured to the lower support plate.
4. The high-speed low-loss circulating rape cutter as claimed in claim 1, wherein the lower fixed cutter holder (15) is arranged in front of the lower supporting plate, and the lower fixed cutter is arranged on the lower supporting plate through the lower fixed cutter holder.
5. The high speed low loss circulating rape cutter of claim 1, wherein a guide plate (20) is arranged between the lower fixed cutter holder and the lower support plate.
6. The high-speed low-loss circulation type rape cutter as claimed in claim 1, wherein the power driving structure comprises a motor (1) fixedly arranged on the frame, an output chain wheel (14) is arranged on an output shaft of the motor, a driving chain wheel (19) is arranged on a rotating shaft of the cutting knife driving chain wheel, and a transmission chain (13) is arranged between the output chain wheel and the driving chain wheel.
CN201810075782.3A 2018-01-26 2018-01-26 High-speed low-loss circulating rape cutter Expired - Fee Related CN108093842B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810075782.3A CN108093842B (en) 2018-01-26 2018-01-26 High-speed low-loss circulating rape cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810075782.3A CN108093842B (en) 2018-01-26 2018-01-26 High-speed low-loss circulating rape cutter

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Publication Number Publication Date
CN108093842A CN108093842A (en) 2018-06-01
CN108093842B true CN108093842B (en) 2020-06-09

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108848880B (en) * 2018-07-13 2019-09-03 湖南农业大学 A kind of circulating cutting centre electronic rape cutter-rower of laying
CN109496542B (en) * 2019-01-15 2021-09-24 吉林大学 Sprocket cutter for harvesting corn stubble
CN113228923B (en) * 2021-06-28 2022-06-24 安徽云龙粮机有限公司 Soybean harvesting and threshing integrated machine and control method thereof
CN117337688B (en) * 2023-11-02 2024-05-17 湖州丰源农业装备制造有限公司 Soybean harvesting and threshing integrated machine and control method thereof

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CN2095534U (en) * 1991-01-27 1992-02-12 张波 Roller chain type grain cutter
DE9317143U1 (en) * 1993-11-10 1994-12-08 Weithöner, Carsten, 72793 Pfullingen Hand mower
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CN2304236Y (en) * 1997-08-22 1999-01-20 甘肃农业大学 Harvester with toothed chain cutter
CN2334153Y (en) * 1998-04-15 1999-08-25 徐贵力 Cutter
JP3907323B2 (en) * 1998-07-21 2007-04-18 ヤンマー農機株式会社 Brush cutter
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CN2862639Y (en) * 2005-08-17 2007-01-31 鲍光友 Multi-functional straw harvester
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Granted publication date: 20200609

Termination date: 20210126