CN106612661A - Hydraulically-controlled vibrating type suppressing roller - Google Patents

Hydraulically-controlled vibrating type suppressing roller Download PDF

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Publication number
CN106612661A
CN106612661A CN201610871403.2A CN201610871403A CN106612661A CN 106612661 A CN106612661 A CN 106612661A CN 201610871403 A CN201610871403 A CN 201610871403A CN 106612661 A CN106612661 A CN 106612661A
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China
Prior art keywords
roller
hydraulic
pressure
pack roller
control valve
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Granted
Application number
CN201610871403.2A
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Chinese (zh)
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CN106612661B (en
Inventor
贾洪雷
王万鹏
庄健
王文君
郭明卓
李森森
郑健
王佳旭
张哲�
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Jilin University
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Jilin University
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Publication of CN106612661A publication Critical patent/CN106612661A/en
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Publication of CN106612661B publication Critical patent/CN106612661B/en
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Classifications

    • 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
    • A01B49/00Combined machines
    • A01B49/04Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A01B49/06Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
    • A01B49/065Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
    • 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
    • A01B29/00Rollers
    • A01B29/04Rollers with non-smooth surface formed of rotatably-mounted rings or discs or with projections or ribs on the roller body; Land packers

Abstract

The invention discloses a hydraulically-controlled vibrating type suppressing roller which aims at overcoming the defects that the pressure of a suppressing roller to a ridge table is unstable in the working process, the function is single and suppressing is not uniform. The hydraulically-controlled vibrating type suppressing roller comprises a fixed roller, a movable roller, a vibration generator, a support, a hydraulic pump, a hydraulic cylinder and a three-position four-way directional control valve, the pressure of the suppressing roller to the soil can be more uniform by the vibration generator, and further the density of the soil layer of the surface of the ridge table can be more uniform. The initial pressure of the suppressing roller to the ridge table can be more stable by hydraulic control, higher suppressing quality can be obtained, and the excellent growing environment of crops can be ensured. The soil blocks can be broken more easily by the aid of the protruding stripes on the outer surface of the movable roller, and the suppressing to the soil is more uniform.

Description

A kind of oscillatory type pack roller of hydraulic control
Technical field
The invention belongs under drought environment a kind of hydraulic control in agricultural seeder field oscillatory type pack roller.
Background technology
Pack roller plays important role during crop seeding, after planting compresses soil compression in crop, So the soil density above crop seed can be increased, be conducive to the holding of soil moisture, crop can be made more preferable Germinate and emerge.Without before pack roller on seeder, people are needed to go to be gone to step on to keep with pin by own body weight Moisture in soil, so probably due to the firmly uneven of people causes to have an impact the germination percentage of crop.At present, on seeder Several rollers of the pack roller by roll stand and in roll stand constitute, the axis direction of roller and the advance side of hitching machinery To perpendicular.During work, pack roller is passed through under the drive of hitching machinery from the ridge sowed, in pack roller self gravitation and Realize suppression in ridge under the collective effect of external force to being formed in seeding process.This suppression mode there may be during suppression Because pack roller may produce at any time change to the pressure on ridge platform surface, this suppression mode can to a certain degree affect suppression Effect, can cause to increase the evaporation of moisture on ridge, this germination percentage to seed and can produce very in growing for later stage crop Big impact.
The content of the invention
It is an object of the invention to overcome the pack roller for commonly using now during suppression it cannot be guaranteed that pack roller pair Ridge platform surface pressing is stablized, pressure transient of the pack roller to ridge platform surface during suppression, and pack roller is to soil surface Pressure can produce large range of change, cause pack roller soil density after suppression uneven and suppress power not during suppressing Enough the problems such as, a kind of oscillatory type pack roller of hydraulic control of design under the effect of vibration of vibration machine, can increase town Pressure of the pressure roller to soil, the density for making soil after suppression is more uniformly distributed, and to reduce the lost purpose of soil moisture, moves roller The striped projection on cylinder surface can reduce the skidding produced during suppression, it is also possible to reduce and move in the course of work roller Abrasion, increase the service life
The present invention includes fixed roll cylinder, electromagnetic vibration generator, support, dynamic roller, bearing, hydraulic cylinder, 3-position 4-way commutation Valve, hydraulic pump, connecting bracket, connecting shaft and pipeline, fixed roll cylinder is placed on inside dynamic roller, is passed through between fixed roll cylinder and dynamic roller Bearing connects.Hydraulic cylinder, three position four-way directional control valve, hydraulic pump, connecting shaft and pipeline constitute hydraulic control system, and hydraulic pump pump leads to Piping is connected with three position four-way directional control valve, by three position four-way directional control valve control piston in hydraulic cylinder rising and, decline Or transfixion, when three position four-way directional control valve is located at 1. position, connecting shaft will be moved downward, and pack roller will to the pressure on ground Increase, when three position four-way directional control valve is located at 3. position, connecting shaft will be moved upwards, and pack roller will reduce to the pressure on ground, It is now packing state when three position four-way directional control valve is located at 2. position, connecting shaft is motionless by remains stationary, and pack roller is to ground Pressure will also keep constant, this is conducive to suppression process pack roller to keep pressure stability to ridge platform surface, improves operation matter Amount.
Two electromagnetic shock generators are symmetrically fixed on its inner lower, electromagnetic shock generator by fixed roll cylinder center line It is fixed in fixed roll cylinder by support, electromagnetic vibration generator occurs alternately to shake;Two exposed junctions of fixed roll cylinder wear solid Surely there is connecting bracket, two connecting brackets are connected with hydraulic cylinder, and hydraulic pump is connected by three position four-way directional control valve with hydraulic cylinder, Hydraulic fluid is delivered to hydraulic cylinder by hydraulic pump by conduit under fluid pressure, can be realized to connection by controlling three position four-way directional control valve The rising of frame, decline or static, and then can control to move pressure of the roller to the surface of ridge platform, when three position four-way directional control valve is put It is now packing state when centre position, i.e. pressure remained steady of the pack roller to ridge platform surface also just can be realized to ridge The uniform suppression on platform surface.
The dynamic roller surface has two anti-slip stripeds, and anti-slip striped can increase the wearability of dynamic roller and tough Property, increase the service life.Every anti-slip striped has two stripe projections and is distributed on dynamic roller circumferential surface, and adjacent strip At a distance of being L between line projection, wherein the span of L is 100mm~120mm, and the contour curve of striped bossing is heart-shaped The parametric equation of line,A part, wherein:The span of θ is 0≤θ≤π, and X is The axis direction of dynamic roller, wherein 16mm≤X≤20mm, Y are the raised height of the normal direction striped of roller surface, wherein 3mm≤Y≤12mm。
The vibration frequency of the electromagnetic shock generator is n1, wherein 50Hz≤n1≤100Hz;Electromagnetic shock generator Vibrations power is p1, wherein 100w≤p1≤150w。
The fixed roll cylinder internal diameter is r1, 30mm≤r1≤ 60mm, external diameter is R1, 35mm≤R1≤ 70mm, R1≥r1+3mm;It is dynamic Roller internal diameter is r2, 50mm≤r2≤ 155mm, r2≥R1+ 15mm, external diameter is R2, 55mm≤R2≤ 160mm, R2≥r2+3mm;
The support is tetrahedral structure, and its four planes are respectively X-O-Y, X-O-Z, Y-O-Z in space coordinates The inclined-plane composition that three basal planes and one are intersected with three faces, inclined-plane is with X-O-Y faces angleInclined-plane and X-O-Z and Y- O-Z faces angle isWherein
When electromagnetic vibration generator occurs alternately to vibrate, fixed roll cylinder can be made also to vibrate, and then dynamic roller also vibrates, and realizes To the suppression above ridge, suppression power is more uniform, and the density of soil can effectively reduce scattering and disappearing for moisture also than more uniform.
In order to solve most of pack rollers to ground pressure not enough and it is uneven to ridge platform pressure the problems such as, the present invention is adopted Electromagnetic vibration generator to realize the uniform suppression to soil, can make the close of soil surface producing uniform suppression power Degree is uniform, reduces scattering and disappearing for moisture, is conducive to the growth and development of crop under drought environment, and the present invention is relatively more in application at present Pack roller connecting shaft on control pressure of the pack roller to ridge platform with hydraulic control system, pack roller can be made to ridge platform surface Pressure is more stable, and more preferably, this growth to the crop under drought environment is particularly important to operation effectiveness, and dynamic roller table Face has striped raised, it is possible to reduce skids and weares and teares.
Compared with prior art beneficial effect is the present invention:
The present invention be directed to the excursion that roller pressure is suppressed in the pack roller course of work it is larger and to the pressure of soil not Uniform problem, devises a kind of pack roller stable equipped with electric and magnetic oscillation generating means and hydraulic control pressure.Electric and magnetic oscillation Generator can be such that pack roller is more uniformly distributed to the pressure of soil in the course of the work, and then edaphic density is also just relatively equal Even, this is very favorable for more arid area water conservation, is also advantageous for the growth and development of crop.The design utilizes liquid The load loop of press pump pressurize, it is ensured that larger change, phase are not produced to the pressure of ridge platform in the pack roller course of work Relatively for the relatively more extensive common pack roller of application at present, the high suppression quality of comparison can be obtained, can be reduced well Moisture scatters and disappears, and this growth to crop under drought environment is very important, and dynamic roller surface has striped raised, can in case Only skidding is produced in the suppression course of work, there is higher work quality.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the hydraulic control system schematic diagram of the present invention.
Fig. 3 is the dynamic drum structure schematic diagram of the present invention.
Specific embodiment
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the present invention includes fixed roll cylinder 1, electromagnetic vibration generator 2, support 3, dynamic roller 4, bearing 5, hydraulic cylinder 6, three position four-way directional control valve 7, hydraulic pump 8, connecting bracket 9, connecting shaft 10 and pipeline 11, fixed roll cylinder 1 is put Put inside dynamic roller 4, connected by bearing 5 between fixed roll cylinder 1 and dynamic roller 4.Hydraulic cylinder 6, three position four-way directional control valve 7, liquid Press pump 8, connecting shaft 10 and pipeline 11 constitute hydraulic control system, and the pump of hydraulic pump 8 is by pipeline 11 and the phase of three position four-way directional control valve 7 Connection, by three position four-way directional control valve 7 control the inner carrier of hydraulic cylinder 6 rising and, decline or transfixion, when 3-position 4-way is changed When being located at 1. position to valve 7, connecting shaft 10 will be moved downward, and pack roller will increase the pressure on ground, when 3-position 4-way commutation When valve 7 is located at 3. position, connecting shaft 10 will be moved upwards, and pack roller will reduce to the pressure on ground, when three position four-way directional control valve 7 Positioned at 2. position when, be now packing state, connecting shaft 10 is motionless by remains stationary, and pack roller also will keep to the pressure on ground Constant, this is conducive to suppression process pack roller to keep the pressure stability to ridge platform surface, improves operation quality.
Two electromagnetic shock generators 2 are symmetrically fixed on its inner lower by the center line of fixed roll cylinder 1, and electromagnetic shock occurs Device 2 is fixed in fixed roll cylinder 1 by support 3, and electromagnetic vibration generator 2 occurs alternately to shake;Two exposed junctions of fixed roll cylinder 1 are equal Wear and be fixed with connecting bracket 9, two connecting brackets 9 are connected with hydraulic cylinder 6, hydraulic pump 8 by three position four-way directional control valve 7 with Hydraulic cylinder 6 is connected, and hydraulic fluid is delivered to hydraulic cylinder 6 by hydraulic pump 8 by conduit under fluid pressure, by controlling three position four-way directional control valve 7 The rising to connecting bracket 9 can be realized, declined or static, and then dynamic pressure of the roller 4 to the surface of ridge platform can be controlled, when It is now packing state when three position four-way directional control valve 7 is placed in into centre position, i.e., pack roller keeps steady to the pressure on ridge platform surface It is fixed, also can just realize the uniform suppression to ridge platform surface.
The surface of dynamic roller 4 has two anti-slip stripeds 12, and anti-slip striped 12 can increase the wear-resisting of dynamic roller 1 Property and toughness, increase the service life.Every anti-slip striped 12 has two stripe projections and is distributed in the circumferential surface of dynamic roller 4 On, and adjacent stripes projection between at a distance of be L, wherein the span of L be 100mm~120mm, the profile of striped bossing Curve is the parametric equation of cardioid,A part, wherein:The span of θ is 0 ≤ θ≤π, X are the axis direction of roller, wherein 16mm≤X≤20mm, and Y is that the normal direction striped of roller surface is raised Height, wherein 3mm≤Y≤12mm.
The vibration frequency of the electromagnetic shock generator 2 is n1, wherein 50Hz≤n1≤100Hz;Electromagnetic shock generator 2 Vibrations power be p1, wherein 100w≤p1≤150w。
The internal diameter of fixed roll cylinder 1 is r1, 30mm≤r1≤ 60mm, external diameter is R1, 35mm≤R1≤ 70mm, R1≥r1+3mm; The internal diameter of dynamic roller 4 is r2, 50mm≤r2≤ 155mm, r2≥R1+ 15mm, external diameter is R2, 55mm≤R2≤ 160mm, R2≥r2+3mm;
The support 3 is tetrahedral structure, and its four planes are respectively X-O-Y, X-O-Z, Y-O-Z in space coordinates The inclined-plane composition that three basal planes and one are intersected with three faces, inclined-plane is with X-O-Y faces angleInclined-plane and X-O-Z and Y- O-Z faces angle isWherein
When electromagnetic vibration generator 2 occurs alternately to vibrate, fixed roll cylinder 1 can be made also to vibrate, and then dynamic roller 4 also vibrates, Realize that, to the suppression above ridge, suppression power is more uniform, the density of soil can effectively reduce dissipating for moisture also than more uniform Lose.

Claims (7)

1. the oscillatory type pack roller of a kind of hydraulic control, it is characterised in that:Including fixed roll cylinder (1), electromagnetic vibration generator (2), Support (3), dynamic roller (4), bearing (5), hydraulic cylinder (6), three position four-way directional control valve (7), hydraulic pump (8), connecting bracket (9), Connecting shaft 10 and pipeline 11, fixed roll cylinder (1) is placed on dynamic roller (4) inside, and axle is passed through between fixed roll cylinder (1) and dynamic roller (4) Hold (5) connection;Hydraulic cylinder (6), three position four-way directional control valve (7), hydraulic pump (8), connecting shaft (10) and pipeline (11) constitute hydraulic pressure Control system, hydraulic pump (8) pump is connected by pipeline (11) with three position four-way directional control valve (7), by three position four-way directional control valve (7) control hydraulic cylinder (6) inner carrier rising and, decline or transfixion;Two electromagnetic shock generators (2) are by fixed roll cylinder (1) center line is symmetrically fixed on its inner lower, and electromagnetic shock generator (2) is fixed in fixed roll cylinder (1) by support (3), Electromagnetic vibration generator (2) occurs alternately to shake;Two exposed junctions of fixed roll cylinder (1) wear and are fixed with connecting bracket (9), and two Individual connecting bracket (9) is connected with hydraulic cylinder (6), and hydraulic pump (8) is connected by three position four-way directional control valve (7) with hydraulic cylinder (6), Hydraulic fluid is delivered to hydraulic cylinder (6) by hydraulic pump (8) by conduit under fluid pressure, can be real by controlling three position four-way directional control valve (7) Rising now to connecting bracket (9), decline or static, and then dynamic pressure of the roller (4) to the surface of ridge platform can be controlled, as general It is now packing state when three position four-way directional control valve (7) is placed in centre position.
2. the oscillatory type pack roller of a kind of hydraulic control according to claim 1, it is characterised in that:The dynamic roller (4) Surface has two anti-slip stripeds (12).
3. the oscillatory type pack roller of a kind of hydraulic control according to claim 2, it is characterised in that:It is described to prevent beating per bar Draw runner line (12) has two stripe projections and is distributed on dynamic roller (4) circumferential surface, and is apart between adjacent stripes projection The span of L, wherein L is 100mm~120mm, and the contour curve of striped bossing is the parametric equation of cardioid,A part, wherein:The span of θ is 0≤θ≤π, and X is the axis of roller Direction, wherein 16mm≤X≤20mm, Y are the raised height of the normal direction striped of roller surface, wherein 3mm≤Y≤ 12mm。
4. the oscillatory type pack roller of a kind of hydraulic control according to claim 1, it is characterised in that:The electromagnetic shock is sent out The vibration frequency of raw device (2) is n1, wherein 50Hz≤n1≤100Hz;The vibrations power of electromagnetic shock generator (2) is p1, wherein 100w≤p1≤150w。
5. the oscillatory type pack roller of a kind of hydraulic control according to claim 1, it is characterised in that:The fixed roll cylinder (1) Internal diameter is r1, 30mm≤r1≤ 60mm, external diameter is R1, 35mm≤R1≤ 70mm, R1≥r1+3mm;Dynamic roller (4) internal diameter is r2, 50mm≤r2≤ 155mm, r2≥R1+ 15mm, external diameter is R2, 55mm≤R2≤ 160mm, R2≥r2+3mm。
6. the oscillatory type pack roller of a kind of hydraulic control according to claim 1, it is characterised in that:The support (3) is Tetrahedral structure, its four planes are respectively the X-O-Y in space coordinates, tri- basal planes of X-O-Z, Y-O-Z and one with The intersecting inclined-plane composition in three faces, inclined-plane is with X-O-Y faces angleInclined-plane is with X-O-Z and Y-O-Z faces angleWherein
7. the oscillatory type pack roller of a kind of hydraulic control according to claim 1, it is characterised in that:When 3-position 4-way commutation Valve (7) positioned at 1. position when, connecting shaft (10) will be moved downward, and pack roller will increase the pressure on ground, when 3-position 4-way is changed To valve (7) positioned at 3. position when, connecting shaft (10) will be moved upwards, and pack roller will reduce to the pressure on ground, work as 3-position 4-way Reversal valve (7) positioned at 2. position when, be now packing state, connecting shaft (10) is motionless by remains stationary, and pack roller is to ground Pressure will also keep constant, and this is conducive to suppression process pack roller to keep the pressure stability to ridge platform surface, improves operation quality.
CN201610871403.2A 2016-10-05 2016-10-05 A kind of oscillatory type pack roller of hydraulic control Expired - Fee Related CN106612661B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107347267A (en) * 2017-08-19 2017-11-17 合肥耀世同辉科技有限公司 A kind of land presser and its operating method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1430868A (en) * 2003-01-23 2003-07-23 吉林大学 Bionic gentle suppression roller
CN2652988Y (en) * 2003-10-13 2004-11-03 柏飞 Vibrative compacting wheel
US20110039671A1 (en) * 2009-08-11 2011-02-17 Chou Chih Huang Roller structure of a business machine
CN202218508U (en) * 2011-08-12 2012-05-16 李学甫 Vibrating interval type compacting machine
US20130115001A1 (en) * 2011-11-09 2013-05-09 Caterpillar Paving Products Inc. Releasably mounted scraper
CN105075430A (en) * 2015-09-02 2015-11-25 河南田冠农业机械制造有限公司 Roller of grain seedling compacting machine and grain seedling compacting machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1430868A (en) * 2003-01-23 2003-07-23 吉林大学 Bionic gentle suppression roller
CN2652988Y (en) * 2003-10-13 2004-11-03 柏飞 Vibrative compacting wheel
US20110039671A1 (en) * 2009-08-11 2011-02-17 Chou Chih Huang Roller structure of a business machine
CN202218508U (en) * 2011-08-12 2012-05-16 李学甫 Vibrating interval type compacting machine
US20130115001A1 (en) * 2011-11-09 2013-05-09 Caterpillar Paving Products Inc. Releasably mounted scraper
CN105075430A (en) * 2015-09-02 2015-11-25 河南田冠农业机械制造有限公司 Roller of grain seedling compacting machine and grain seedling compacting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107347267A (en) * 2017-08-19 2017-11-17 合肥耀世同辉科技有限公司 A kind of land presser and its operating method

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