CN109104916A - A kind of electric rotary-tillage machine comprising switched reluctance machines - Google Patents
A kind of electric rotary-tillage machine comprising switched reluctance machines Download PDFInfo
- Publication number
- CN109104916A CN109104916A CN201811074862.3A CN201811074862A CN109104916A CN 109104916 A CN109104916 A CN 109104916A CN 201811074862 A CN201811074862 A CN 201811074862A CN 109104916 A CN109104916 A CN 109104916A
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- CN
- China
- Prior art keywords
- switched reluctance
- reluctance machines
- rotary
- tillage machine
- electric rotary
- 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.)
- Pending
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- 238000003971 tillage Methods 0.000 title claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 15
- 238000012423 maintenance Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/04—Tilling 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 parallel to direction of travel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of electric rotary-tillage machines comprising switched reluctance machines, including rack, rotary blade and the rotary knife axis for driving rotary blade rotation, the switched reluctance machines of driving rotary knife axis rotation are provided in rack, the controller of control switch reluctance motor is connected on switched reluctance machines, controller is connected with power supply, switch is connected between controller and power supply, the present invention is simple by structure, the good switched reluctance machines of at low cost while resistance to dust effect drive rotary blade rotation, so that electric rotary-tillage machine can guarantee steady operation under dust and worst hot case, reduce the production cost of electric rotary-tillage machine, prolong the service life.
Description
Technical field
The invention belongs to rotary cultivator fields, and in particular to a kind of electric rotary-tillage machine comprising switched reluctance machines.
Background technique
Rotary cultivator is a kind of for carrying out the farm machinery of farming operation to farmland, and electric rotary-tillage machine is mainly using string at present
Swash motor, variable-frequency motor and brushless motor, series excited machine has big commutation spark, EMC serious interference, resistance to dust difference and motor temperature
The disadvantages of high is spent, it is serious to reduce motor service life；Variable-frequency motor has the shortcomings that volume is big, weight is heavy, specific power is small；Nothing
Brush motor has the shortcomings that torque output is uneven, the working time is short and at high cost, and the resistance to dust effect of brushless motor is bad.
And when electric rotary-tillage machine energization, go to plough the soil that the soil is porous such as some sandy soil when fixed constant speed revolving speed is excessively high,
Since revolving speed is excessively high, strength is superfluous, and the ground surface that pine can be made good is rugged；It goes to plough some tides when fixed constant speed revolving speed is too low
The soil of wet soil or arid for a long time, since revolving speed is too low, strength is insufficient, it may appear that motionless situation is ploughed, thus cannot
It is normal to complete work.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of electronic rotations comprising switched reluctance machines of resistance to dust
The machine of ploughing.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of include the electronic of switched reluctance machines
Rotary cultivator is provided with driving rotary knife axis rotation including rack, rotary blade and the rotary knife axis for driving rotary blade rotation in rack
Switched reluctance machines, the controller of control switch reluctance motor is connected on switched reluctance machines, controller is connected with power supply,
Switch is connected between controller and power supply.
Further, retarder is connected between switched reluctance machines and rotary knife axis.
Further, retarder is worm gear box assembly, and worm gear box assembly includes being connected with the armature spindle of switched reluctance machines
Shaft, the worm gear that is connected with rotary knife axis and connect the worm screw of shaft and worm gear.
Further, it is connected by screw between retarder and rack.
Further, rack includes the protective plate for preventing rotary blade from hurting sb.'s feelings, and switched reluctance machines are connected on protective plate, is prevented
Backplate is between rotary blade and switched reluctance machines.
Further, the upper bracket and lower bracket of fixed switched reluctance machines, upper bracket are connected on switched reluctance machines
It connects with lower bracket screw, is connected by screw between lower bracket and protective plate.
Further, one end that the armature spindle of switched reluctance machines passes through lower bracket is connected with the wind rotated with armature spindle
Leaf.
Further, switched reluctance machines are externally connected with waterproof cover, are provided in waterproof cover and carry out to switched reluctance machines
The spiral duct of heat dissipation, spiral duct one end are arranged towards fan blade, the other end through waterproof cover side wall.
Further, controller is connected by terminal block with power supply and switch.
Further, power supply is DC power supply or AC power source.
Compared with prior art, the beneficial effects of the present invention are:
1, there is no any type of winding on switch reluctance machine rotor, structure is simple and at low cost, while resistance to dust is imitated
Fruit is good, rotary blade rotation is driven by switched reluctance machines, so that electric rotary-tillage machine can guarantee under dust and worst hot case
Steady operation, by the control of the controller with stepless time adjustment function, switched reluctance machines can adapt to a certain range of
Variable speed so that rotary blade according to various arable soils come pace of change so that electric rotary-tillage machine can be adapted for appointing
What soil property, the soil of either loose sandy soil or arid for a long time can steady operation.
2, because the torque generated on the rotor of current switched reluctance machines is formed by stacking by some column pulse torques,
Due to the influence of double-salient-pole structure and magnetic circuit saturation nonlinearity, synthesizing torque is not a constant torque, and has certain harmonic wave
Component, this affects the performance of switched reluctance machines low speed operation, and then influences the low speed operation of electric rotary-tillage machine, switching magnetic-resistance
The revolving speed of motor output is transferred to rotary knife axis after the reduction of speed of retarder, so that rotary blade can be stablized under lower-speed state
Operation, applicable soil property range are wider.
3, armature spindle drives shaft rotation, and shaft drives worm screw rotation, and worm screw drives the worm gear rotation engaged with worm screw, snail
Wheel drives the rotary knife axis rotation being threaded through in worm gear, and rotary knife axis drives rotary blade rotation, passes through simple worm gear box assembly
It realizes and slows down, occupy little space while stable, guarantee that rotary blade can be with lower-speed state long-play, prolonged deceleration device
Service life, while worm and gear itself carries self-locking function, so that worm gear box assembly is as retarder with self-locking function
Can, it can prevent rotary blade and rotary knife axis from being rotated by external force in the case where switched reluctance machines are inoperative, safety is more
It is good.
4, it is connected by screw between retarder and protective plate, so that the connection and disassembling section of retarder are simple and convenient,
It is convenient for replacement and the maintenance operation of retarder, reduces maintenance cost.
5, switched reluctance machines are fixed on protective plate by upper bracket and lower bracket, pass through spiral shell between lower bracket and protective plate
Nail connection, easy to disassemble and maintenance, one end that the armature spindle of switched reluctance machines passes through lower bracket is connected with to be rotated with armature spindle
Fan blade, fan blade can radiate to switched reluctance machines, prevent the switched reluctance machines being connected on protective plate from overheating, and guarantee
The long-time steady operation of switched reluctance machines.
6, controller is connected by terminal block and power supply and switching, and what is connected on the conducting wire that connects on controller, switch leads
The conducting wire connected on line and power supply is connected by terminal block, and it is simpler convenient to connect.
7, power supply is DC power supply or AC power source, no matter DC power supply or AC power source can to electric rotary-tillage machine into
Row power supply can also use alternating current by plug grafting socket so that electric rotary-tillage machine can be both powered by devices such as batteries
The alternating current of offer works, more convenient to use.
Compared with prior art, the good switching magnetic-resistance of simple, at low cost while resistance to dust effect is electric by structure by the present invention
Machine drives rotary blade rotation, so that electric rotary-tillage machine can guarantee steady operation under dust and worst hot case, reduces electronic rotation
The production cost for the machine of ploughing, prolongs the service life.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is a kind of electric rotary-tillage machine schematic diagram comprising switched reluctance machines of the present invention；
Fig. 2 is a kind of electric rotary-tillage machine cross-sectional view comprising switched reluctance machines of the present invention；
Fig. 3 is the connection schematic diagram of switched reluctance machines and upper bracket, lower bracket and fan blade.
Wherein: 11, rotary blade；12, rotary knife axis；13, protective plate；2, switched reluctance machines；21, armature spindle；3, it controls
Device；4, power supply；5, it switchs；6, terminal block；7, retarder；71, shaft；72, worm gear；73, worm screw；81, upper bracket；82, lower branch
Frame；83, fan blade.
Specific embodiment
A kind of embodiment of the electric rotary-tillage machine comprising switched reluctance machines of the present invention is done further referring to figs. 1 to Fig. 3
Explanation.
A kind of electric rotary-tillage machine comprising switched reluctance machines, including rotary blade 11, the rotary tillage for driving rotary blade 11 to rotate
Cutter shaft 12 and the protective plate 13 that 11 upper side of rotary blade is hurted sb.'s feelings to prevent spin-ended coulter 11 is set, is provided with driving on protective plate 13
The switched reluctance machines 2 that rotary knife axis 12 rotates are connected with the controller of control switch reluctance motor 2 on switched reluctance machines 2
3, controller 3 is connected with power supply 4, and switch 5 is connected between controller 3 and power supply 4.
There is no any type of winding on 2 rotor of switched reluctance machines, structure is simple and at low cost, while resistance to dust effect
It is good, drive rotary blade 11 to rotate by switched reluctance machines 2, so that electric rotary-tillage machine can guarantee under dust and worst hot case
Steady operation, by the control of controller 3, switched reluctance machines 2 can adapt to a certain range of variable speed, so that
Rotary blade 11, come pace of change, so that electric rotary-tillage machine can be adapted for any soil property, is either dredged according to various arable soils
The soil of the sandy soil or arid of pine for a long time can steady operation.
In the present embodiment, retarder 7 is connected between switched reluctance machines 2 and rotary knife axis 12, because switching magnetic at present
Hindering the torque generated on the rotor of motor 2 is formed by stacking by some column pulse torques, since double-salient-pole structure and magnetic circuit are full
With nonlinear influence, synthesizing torque is not a constant torque, and has certain harmonic component, this affects switching magnetic-resistance electricity
The performance of 2 low speed of machine operation, and then the low speed operation of electric rotary-tillage machine is influenced, the revolving speed that switched reluctance machines 2 export is by subtracting
It is transferred to rotary knife axis 12 after the reduction of speed of fast device 7, so that rotary blade 11 can be in stable operation under lower-speed state, applicable soil property
Range is wider.
In the present embodiment, retarder 7 is worm gear box assembly, and worm gear box assembly includes the rotor with switched reluctance machines 2
The connected shaft 71 of axis 21, the worm gear 72 being connected with rotary knife axis 12 and the worm screw 73 for connecting shaft 71 and worm gear 72, shaft
71 are connected with armature spindle 21 by the first linkage set, and shaft 71 and armature spindle 21 are respectively protruding into the both ends that the first linkage covers, worm screw
73 are connected with shaft 71 by the second linkage set, and the end of worm screw 73 and the end of shaft 71 are respectively protruding into the two of the second linkage set
End, armature spindle 21 are rotated by the first linkage cuff turn axis 71, and shaft 71 drives worm screw 73 to rotate by the second linkage set, snail
Bar 73 drives the worm gear 72 engaged with worm screw 73 to rotate, and worm gear 72 drives the rotary knife axis 12 being threaded through in worm gear 72 to rotate, rotation
Coulter axis 12 drives rotary blade 11 to rotate, and is realized and is slowed down by simple worm gear box assembly, occupied little space while stable,
Guarantee that rotary blade 11 can be with lower-speed state long-play, the service life of prolonged deceleration device 7.
It is connected by screw between retarder 7 in the present embodiment and protective plate 13, so that the connection and disassembly of retarder 7
It is simple and convenient, it is convenient for replacement and the maintenance operation of retarder 7, reduces maintenance cost.
In the present embodiment, the upper bracket 81 and lower bracket of fixed switched reluctance machines 2 are connected on switched reluctance machines 2
82, switched reluctance machines 2 are fixed on protective plate 13 by upper bracket 81 and lower bracket 82, are led between lower bracket 82 and protective plate 13
Cross screw connection, easy to disassemble and maintenance, one end that the armature spindles 21 of switched reluctance machines 2 passes through lower bracket 82 is connected with turning
The fan blade 83 that sub- axis 21 rotates, fan blade 83 can radiate to switched reluctance machines 2, prevent the switch being connected on protective plate 13
Reluctance motor 2 overheats, and guarantees the long-time steady operation of switched reluctance machines 2.
Controller 3 is connected by terminal block 6 with power supply 4 and switch 5, is connected on the conducting wire that connects on controller 3, switch 5
Conducting wire and power supply 4 on the conducting wire that connects be connected by terminal block 6, connection is simpler convenient.
In the present embodiment, power supply 4 is DC power supply or AC power source, no matter DC power supply or AC power source can be to electricity
Dynamic rotary cultivator is powered, so that electric rotary-tillage machine can be both powered by devices such as batteries, can also be inserted by plug grafting
Seat is worked using the alternating current that alternating current provides, more convenient to use.
In the present embodiment, switched reluctance machines 2 are externally connected with waterproof cover, are provided in waterproof cover to switched reluctance machines
2 spiral ducts to radiate, spiral duct one end are arranged towards fan blade 83, the other end through waterproof cover side wall, and fan blade 83 will
Air is sent into the spiral duct in waterproof cover, and air flows in the shape of a spiral along spiral duct, is carried out to outside switched reluctance machines 2
Heat dissipation, prevents heat to be gathered between the shell and waterproof cover of switched reluctance machines 2, spiral helicine spiral duct makes air stream
Time through the gap between switched reluctance machines 2 and waterproof cover extends, and can preferably take away the heat of switched reluctance machines 2
Amount, reaches preferable heat dissipation effect.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of electric rotary-tillage machine comprising switched reluctance machines, including rack, rotary blade and the rotary tillage for driving rotary blade rotation
Cutter shaft, it is characterised in that: the switched reluctance machines of driving rotary knife axis rotation are provided in the rack, on switched reluctance machines
It is connected with the controller of control switch reluctance motor, controller is connected with power supply, and switch is connected between controller and power supply.
2. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 1, it is characterised in that: the switch
Retarder is connected between reluctance motor and rotary knife axis.
3. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 2, it is characterised in that: the deceleration
Device is worm gear box assembly, and worm gear box assembly includes the shaft being connected with the armature spindle of switched reluctance machines, is connected with rotary knife axis
Worm gear and connect shaft and worm gear worm screw.
4. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 2 or 3, it is characterised in that: described
It is connected by screw between retarder and rack.
5. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 1, it is characterised in that: the rack
Including the protective plate for preventing rotary blade from hurting sb.'s feelings, the switched reluctance machines are connected on protective plate, protective plate be located at rotary blade and
Between switched reluctance machines.
6. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 5, it is characterised in that: the switch
The upper bracket and lower bracket of fixed switched reluctance machines are connected on reluctance motor, the upper bracket and lower bracket screw connects,
It is connected by screw between the lower bracket and protective plate.
7. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 6, it is characterised in that: the switch
One end that the armature spindle of reluctance motor passes through lower bracket is connected with the fan blade rotated with armature spindle.
8. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 7, it is characterised in that: the switch
Reluctance motor is externally connected with waterproof cover, and the spiral duct to radiate to switched reluctance machines, spiral wind are provided in waterproof cover
Road one end is arranged towards fan blade, the other end through waterproof cover side wall.
9. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 1, it is characterised in that: the control
Device is connected by terminal block with power supply and switch.
10. a kind of electric rotary-tillage machine comprising switched reluctance machines according to claim 1, it is characterised in that: the electricity
Source is DC power supply or AC power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074862.3A CN109104916A (en) | 2018-09-14 | 2018-09-14 | A kind of electric rotary-tillage machine comprising switched reluctance machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074862.3A CN109104916A (en) | 2018-09-14 | 2018-09-14 | A kind of electric rotary-tillage machine comprising switched reluctance machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109104916A true CN109104916A (en) | 2019-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074862.3A Pending CN109104916A (en) | 2018-09-14 | 2018-09-14 | A kind of electric rotary-tillage machine comprising switched reluctance machines |
Country Status (1)
| Country | Link |
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| CN (1) | CN109104916A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB682125A (en) * | 1950-12-04 | 1952-11-05 | Cadwallader Washburn Kelsey | Soil working device |
| GB803111A (en) * | 1954-07-29 | 1958-10-15 | J E Shay Ltd | Improvements in or relating to rotary cultivators |
| CN2666104Y (en) * | 2003-07-16 | 2004-12-29 | 东北大学 | Micro-electric rotary cultivator |
| CN201483470U (en) * | 2009-09-30 | 2010-05-26 | 陈李锋 | Novel brushless electric tool |
| CN201667786U (en) * | 2010-05-19 | 2010-12-15 | 严华 | Electric micro-farming machine |
| CN205195616U (en) * | 2015-12-09 | 2016-04-27 | 南京农业大学 | Electronic rotary cultivator of variable frequency speed governing(VFSG) type of declining |
| CN106576446A (en) * | 2016-10-19 | 2017-04-26 | 浙江亚特电器有限公司 | Hybrid power rotary cultivator |
| CN107241051A (en) * | 2017-06-16 | 2017-10-10 | 浙江亚特电器有限公司 | A kind of adjustable electric rotary-tillage machine of rotary blade rotating speed |
| CN209201469U (en) * | 2018-09-14 | 2019-08-06 | 浙江亚特电器有限公司 | A kind of electric rotary-tillage machine comprising switched reluctance machines |
-
2018
- 2018-09-14 CN CN201811074862.3A patent/CN109104916A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB682125A (en) * | 1950-12-04 | 1952-11-05 | Cadwallader Washburn Kelsey | Soil working device |
| GB803111A (en) * | 1954-07-29 | 1958-10-15 | J E Shay Ltd | Improvements in or relating to rotary cultivators |
| CN2666104Y (en) * | 2003-07-16 | 2004-12-29 | 东北大学 | Micro-electric rotary cultivator |
| CN201483470U (en) * | 2009-09-30 | 2010-05-26 | 陈李锋 | Novel brushless electric tool |
| CN201667786U (en) * | 2010-05-19 | 2010-12-15 | 严华 | Electric micro-farming machine |
| CN205195616U (en) * | 2015-12-09 | 2016-04-27 | 南京农业大学 | Electronic rotary cultivator of variable frequency speed governing(VFSG) type of declining |
| CN106576446A (en) * | 2016-10-19 | 2017-04-26 | 浙江亚特电器有限公司 | Hybrid power rotary cultivator |
| CN107241051A (en) * | 2017-06-16 | 2017-10-10 | 浙江亚特电器有限公司 | A kind of adjustable electric rotary-tillage machine of rotary blade rotating speed |
| CN209201469U (en) * | 2018-09-14 | 2019-08-06 | 浙江亚特电器有限公司 | A kind of electric rotary-tillage machine comprising switched reluctance machines |
Non-Patent Citations (1)
| Title |
|---|
| 庞骏骐等: "《电力变压器安装》", 水利电力出版社, pages: 92 * |
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Application publication date: 20190101 |