CN203261648U - Hydraulic dolphin-shaped turnover plow - Google Patents
Hydraulic dolphin-shaped turnover plow Download PDFInfo
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- CN203261648U CN203261648U CN 201320304417 CN201320304417U CN203261648U CN 203261648 U CN203261648 U CN 203261648U CN 201320304417 CN201320304417 CN 201320304417 CN 201320304417 U CN201320304417 U CN 201320304417U CN 203261648 U CN203261648 U CN 203261648U
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- dolphin
- hydraulic cylinder
- land wheel
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- 230000007306 turnover Effects 0.000 title abstract 4
- 241001481833 Coryphaena hippurus Species 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 20
- 230000003028 elevating effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
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- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
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- 240000007594 Oryza sativa Species 0.000 description 1
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- 244000269722 Thea sinensis Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic dolphin-shaped turnover plow, and relates to the field of agricultural machines. The hydraulic dolphin-shaped turnover plow comprises more than one hydraulic cylinder and is dragged by a tractor. The hydraulic dolphin-shaped turnover plow further comprises a plow body device, a deep scarification tooth device, a plow body lifting arm and a land wheel control device, wherein the plow body device is connected with the deep scarification tooth device through the plow body lifting arm, and the land wheel control device is fixed on the deep scarification tooth device. The land wheel control device is utilized to control the plow body device to conduct lifting operation and dig crescent pits on the land, and the intervals of the crescent pits are equal, so that rainwater is beneficial to being collected and stored. The deep scarification tooth device is additionally arranged in the front of a plow body, pocket furrows can be correspondingly formed in the intervals of the crescent pits and equivalent to rainwater collecting bags, so that rainwater can be effectively prevented from evaporating, water can be kept at the roots of plants, the survival rate and the growth rate of nursery stocks are greatly improved, working amount reaches more than 25 mu per hour, and labor productivity is obviously improved.
Description
Technical field
The utility model relates to agricultural mechanical field, relates in particular to a kind of hydraulic pressure dolphin pivot plow.
Background technology
Propelling along with national modernization construction, agricultural machinery industry is flourish, in recent years, all kinds of sowing class machineries such as the harvesting class machinery such as various corn pickers, peanut Harvester, tea picking machine and rotovator, rice transplanter successively come out, make agricultural production and every field substantially realize mechanical modernization, it is blank that the class of only planting trees special equipment still belongs at home; Particularly China northern territory, be badly in need of large-scale value tree afforestation is carried out in region, large-area semidesert, all kinds of mountain area, area, the Great Northern Wilderness, with prevention soil and water loss, improves natural environment.
According to the demand that agricultural is planted trees, utilize existing domestic ploughing to do, ubiquity following defective: plough body is fixed, can not lifting, upset; The ditch earth that post-job ground forms is tumbled to both sides, and during rainy season, the raised soil of both sides has stopped water runoff in the ditch, and on domatic ground, the rainwater that collects in ditch is trickling from high to lower easily, therefore is unfavorable for collecting and the storage rainwater; And depth of implements is no more than 30 centimetres, and the cultivation seedling also will manually be mended and dig pit, and production efficiency is low.
The utility model content
For existing plough above shortcomings, the purpose of this utility model is to provide a kind of hydraulic pressure dolphin pivot plow, and plough body is turning; Increase a pair of deep loosening tooth before plough body, plough body and deep loosening tooth are controlled lift work by the land wheel control device, and plough body and the deep loosening tooth terrain clearance adjustable.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of hydraulic pressure dolphin pivot plow, comprise more than one hydraulic cylinder, described hydraulic pressure dolphin pivot plow is by tractor-drawn, it is characterized in that, described hydraulic pressure dolphin pivot plow comprises plough body device, deep loosening tooth device, plough body lift arm and land wheel control device, described plough body device is connected with the deep loosening tooth device by described plough body lift arm, and described land wheel control appliance is fixed on the deep loosening tooth device.
According to an aspect of the present utility model, wherein, described plough body device comprises plough body, after-poppet, runing rest and hydraulic cylinder, described plough body lift arm is connected with described after-poppet, described after-poppet is also hinged with described runing rest, described hydraulic cylinder and runing rest are hinged, and described plough body is fixed on described runing rest.
According to an aspect of the present utility model, wherein, the described runing rest anglec of rotation is 180 degree.
According to an aspect of the present utility model, wherein, be equipped with upper connecting rod, lower link and link after described tractor, described hydraulic pressure dolphin pivot plow is provided with suspension plate and drop-down pole socket, described upper connecting rod one end and link are hinged, and the other end and upper suspension plate are hinged; Described lower link and drop-down pole socket are hinged, and hydraulic cylinder tail and described link are hinged, and the other end of hydraulic cylinder and upper suspension plate are hinged; Another hydraulic cylinder one end and upper suspension plate are hinged, and the other end and described after-poppet are hinged.
According to an aspect of the present utility model, wherein, also be provided with a pair of above auxiliary double-purpose valve and single-stage power supply base after described tractor, the height of described deep loosening tooth device and plough body device is to be controlled by described hydraulic cylinder.
According to an aspect of the present utility model, wherein, described deep loosening tooth device comprises deep loosening tooth, deep loosening tooth fixed head, main body base, rocking bar, connecting rod, hydraulic cylinder and combination limited block, described main body base and rocking bar are hinged fixing, described connecting rod and rocking bar are hinged fixing, and described deep loosening tooth body is fixed on the deep loosening tooth fixed head, and described deep loosening tooth fixed head is fixed on connecting rod, described combination limited block is positioned at hydraulic cylinder one end, controls the stroke of hydraulic cylinder.
According to an aspect of the present utility model, wherein, described land wheel control device comprises support, adjusting screw(rod), holder, elevating lever, land wheel support, land wheel, plate, reversal valve, back-moving spring and transmission device, described support is fixedly connected with holder, elevating lever and holder cunning are joined, adjusting screw(rod) passes the holder hole and is threaded with elevating lever, land wheel support one end and elevating lever are hinged, the other end is hinged with the land axle that is fixed with land wheel, be provided with back-moving spring between land wheel support and elevating lever, plate supports with land wheel and is connected, and reversal valve is fixed on the end of plate.
According to an aspect of the present utility model, wherein, described transmission device is chain and sprocket driving device, described chain and sprocket driving device comprises bearing, chain wheel set, land axle, axle of carrier pulley, cam, camshaft, all assemble chain wheel set on described axle of carrier pulley, camshaft, cam is positioned at the other end of camshaft, and axle of carrier pulley, camshaft and land wheel support hinged.
According to an aspect of the present utility model, wherein, with after-poppet and with hinged hydraulic cylinder and the hydraulic cylinder in the deep loosening tooth device of upper suspension plate be automatically to be controlled by the land wheel control appliance, hydraulic cylinder and the hydraulic cylinder in plough body device hinged with link are by the HYDRAULIC CONTROL SYSTEM in tractor.
The utility model adopts the land wheel control device to control plough body device lift work, thereby gets on the ground consistent crescent moon hole, interval, and the depth capacity that crescent moon is cheated can reach 50 centimetres, is equivalent to generate miniature basin one by one, is conducive to collect and store rainwater; The deep loosening tooth device that installs additional before plough body under the land wheel control device is controlled, can correspondingly form the pocket ditch in the soil of the interval location that crescent moon is cheated, the rainwater-collecting bag, can effectively prevent the evaporation of rainwater quite one by one, allows moisture remain on plant root.Therefore greatly improve plant percent and growth rate; Per hour the workload more than 25 mu, improved labor productivity significantly.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, the below will do to introduce simply to the accompanying drawing of required use in embodiment, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of hydraulic pressure dolphin pivot plow of the present utility model;
Fig. 2 is that the axle of deep loosening tooth device in the utility model Fig. 1 measures intention;
Fig. 3 is that the axle of plough body device in the utility model Fig. 1 measures intention;
Fig. 4 is that the axle of land wheel control device in the utility model Fig. 1 measures intention;
Fig. 5 is the structural representation of chain and sprocket driving device in the utility model;
Fig. 6 is a kind of hydraulic pressure dolphin pivot plow operation schematic diagram described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of hydraulic pressure dolphin pivot plow, comprise more than one hydraulic cylinder 3, described hydraulic pressure dolphin pivot plow is by the tractor-drawn of a 180-220 horsepower, wherein, described hydraulic pressure dolphin pivot plow comprises plough body device 100, deep loosening tooth device 200, plough body lift arm 102 and land wheel control device 300, and described plough body device 100 is connected with deep loosening tooth device 200 by plough body lift arm 102, and described land wheel control device 300 is fixed on deep loosening tooth device 200.
As shown in Figure 2, wherein, described plough body device 100 comprises plough body 101, after-poppet 103, runing rest 104 and hydraulic cylinder 3, described plough body lift arm 102 is connected with described after-poppet 103, described after-poppet 103 is also hinged with described runing rest 104, described hydraulic cylinder 3 is hinged with runing rest 104, and described plough body 101 is fixed on described runing rest 104.The anglec of rotation of described runing rest 104 is 180 degree.
As shown in Figure 3, described deep loosening tooth device comprises deep loosening tooth body 201, deep loosening tooth fixed head 202, main body base 206, rocking bar 203, connecting rod 204, hydraulic cylinder 3 and combination limited block 205, described main body base 206 is hinged with rocking bar 203, described connecting rod 204 is hinged with rocking bar 203, described deep loosening tooth body 201 is fixed on deep loosening tooth fixed head 202, described deep loosening tooth fixed head 202 is fixed on connecting rod 204, and described combination limited block 205 is positioned at hydraulic cylinder 3 one ends, controls the stroke of hydraulic cylinder 3.
as Fig. 4, shown in Figure 5, described land wheel control device comprises support 301, adjusting screw(rod) 302, holder 303, elevating lever 304, land wheel supports 305, land wheel 306, plate 308, reversal valve 310, back-moving spring 312 and transmission device, described support 301 is fixedly connected with holder 303, elevating lever 304 is joined with holder 303 is sliding, adjusting screw(rod) 302 is threaded with elevating lever 304 by the hole of holder 303, land wheel support 305 1 ends and elevating lever 304 are hinged, the other end is hinged with the land axle 316 that is fixed with land wheel, be provided with back-moving spring 312 between land wheel support 305 and elevating lever 304, to keep land wheel 306 to contact to earth all the time, plate 308 supports 305 with land wheel and is connected, reversal valve 310 is fixed on the end of plate 308.
Wherein, described transmission device is chain and sprocket driving device, also can be other transmission devices, when adopting chain and sprocket driving device, embodiment is: described transmission device is chain and sprocket driving device, described chain and sprocket driving device comprises cam 307, bearing 311, camshaft 313, axle of carrier pulley 315, land axle 316, chain wheel set, and described chain wheel set is fixed on axle of carrier pulley 315, camshaft 313 and land axle, and described chain wheel set is comprised of a plurality of sprocket wheels 317; Cam 307 is fixed on the other end of camshaft 313, camshaft 313 is hinged with land wheel support 305, axle of carrier pulley 315 is hinged with land wheel support 305, wherein camshaft 313 passes through chain 314 transmissions with axle of carrier pulley 315, land axle 316 by chain 314 transmissions, is adjusted the combination of the sprocket wheel on camshaft 313 and axle of carrier pulley 315, i.e. the position relationship of adjusting chain 314 on chain wheel set with axle of carrier pulley 315, can obtain different gearratios, thereby obtain different job parameters.
Wherein, described hydraulic pressure dolphin pivot plow adopts upper connecting rod, lower link and upper suspension plate trifilar suspension mode with being connected of tractor, concrete connected mode is: be equipped with upper connecting rod 1, lower link 5 and link 4 after described tractor, described hydraulic pressure dolphin pivot plow is provided with suspension plate 2 and drop-down pole socket 8, described upper connecting rod 1 one ends and link 4 are hinged, and the other end of upper connecting rod 1 and upper suspension plate 2 are hinged; Described lower link 5 is hinged with drop-down pole socket 8, and hydraulic cylinder 3 tailstocks and described link 4 are hinged, and the other end of hydraulic cylinder 3 is that tailpiece of the piston rod and upper suspension plate 2 are hinged; Another hydraulic cylinder one end and upper suspension plate are hinged, and the other end and described after-poppet are hinged.
One end and upper suspension plate 2 are hinged, and the hinged hydraulic cylinder 3 of the other end and described after-poppet 103 is controlled by land wheel control appliance 300; Hydraulic cylinder 3 in described deep loosening tooth device is also controlled by land wheel control appliance 300.The hydraulic cylinder 3 that HYDRAULIC CONTROL SYSTEM on tractor and tractor connecting frame 4 are hinged, described hydraulic cylinder 3 is in order to control the height of deep loosening tooth device 200 and plough body device 100; Hydraulic cylinder 3 on plough body device 100 is also to be controlled by the hydraulic system on tractor, so get final product in the indoor operation of tractor driving during operation.Wherein, described hydraulic system comprises hydraulic reservoir, cooling oil box, exports the gear pump with speed increaser, reversal valve, overflow valve, sequence valve, the check valve that the PTO axle is connected, one-way throttle valve, hydraulic lock, stop valve, oil pipe, thermometer, manometer, hydraulic oil filtering device, air cleaner and hydraulic jack with tractor.In addition, the rearmounted more than one pair of auxiliary double-purpose valve of tractor and single-stage power supply base, wherein auxiliary double-purpose valve preferred amount is three pairs.
the operation principle of the present embodiment is: the hydraulic cylinder 3 that the hinged and other end of an end and suspension plate 2 and plough body device are hinged and the hydraulic cylinder 3 in deep loosening tooth device 200 all are in open mode, at this moment deep loosening tooth device 200 is in highest order, plough body device 100 is in lowest order, in the tractor traveling process, control driver's cabin hydraulic operation bar and slowly open the hydraulic cylinder 3 hinged with tractor connecting frame 4, land wheel 306 begins to land, the rotation of land wheel is passed to cam 307 by the chain transmission, cam 307 forwards the radially the shortest point of profile to, reversal valve 310 piston rods are because the reset function that carries spring is moved to cam 307, reversal valve 310 commutations, hydraulic cylinder 3 in deep loosening tooth device 200 is first closed, when the deep loosening tooth device drops to minimum point, the hinged hydraulic cylinder 3 of the hinged and other end of one end and suspension plate 2 and plough body device 100 is closed, plough body device 100 rises to highest order, cam 307 is rotated further radially peak, compressing reversal valve 310 valve rod retractions, reversal valve 310 commutations, the hinged hydraulic cylinder 3 of the hinged and other end of one end and suspension plate 2 and plough body device is first opened, plough body device 100 drops to minimum point, hydraulic cylinder 3 in deep loosening tooth device 200 is opened, and deep loosening tooth device 200 moves to highest order.Cam 307 revolves and turns around like this, completes an actuation cycle.When needing the backhaul operation, control driver's cabin hydraulic operation bar the hydraulic cylinder 3 in the plough body device is moved, drive runing rest 104 rotation 180 degree and get final product operation.
The present embodiment adopts the land wheel control device to control deep loosening tooth device, plough body device lift work, thereby get on the ground consistent crescent moon hole, interval, as shown in Figure 6, the depth capacity that crescent moon is cheated can reach 50 centimetres, be equivalent to generate miniature basin one by one, be conducive to collect and store rainwater; The deep loosening tooth device that installs additional before plough body under the land wheel control device is controlled, can correspondingly form the pocket ditch in the soil of the interval location that crescent moon is cheated, the rainwater-collecting bag, can effectively prevent the evaporation of rainwater quite one by one, allows moisture remain on plant root.Therefore greatly improve plant percent and growth rate; Per hour the workload more than 25 mu, improved labor productivity significantly.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; the technical staff of any skilled is in the disclosed technical scope of the utility model; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. hydraulic pressure dolphin pivot plow, comprise more than one hydraulic cylinder, described hydraulic pressure dolphin pivot plow is by tractor-drawn, it is characterized in that, described hydraulic pressure dolphin pivot plow comprises plough body device, deep loosening tooth device, plough body lift arm and land wheel control device, described plough body device is connected with the deep loosening tooth device by described plough body lift arm, and described land wheel control device is fixed on the deep loosening tooth device.
2. a kind of hydraulic pressure dolphin pivot plow according to claim 1, it is characterized in that, described plough body device comprises plough body, after-poppet, runing rest and hydraulic cylinder, described plough body lift arm and described after-poppet are fastenedly connected, described after-poppet is also hinged with described runing rest, described hydraulic cylinder and runing rest are hinged, and described plough body is fixed on described runing rest.
3. a kind of hydraulic pressure dolphin pivot plow according to claim 2, is characterized in that, the described runing rest anglec of rotation is 180 degree.
4. a kind of hydraulic pressure dolphin pivot plow according to claim 2, it is characterized in that, be equipped with upper connecting rod, lower link and link after described tractor, described hydraulic pressure dolphin pivot plow is provided with suspension plate and drop-down pole socket, described upper connecting rod one end and link are hinged, and the other end and upper suspension plate are hinged; Described lower link and drop-down pole socket are hinged, and hydraulic cylinder tailstock and described link are hinged, and the other end of hydraulic cylinder and upper suspension plate are hinged; Another hydraulic cylinder one end and upper suspension plate are hinged, and the other end and described after-poppet are hinged.
5. a kind of hydraulic pressure dolphin pivot plow according to claim 4, is characterized in that, the height of described deep loosening tooth device and plough body device is to be controlled by described hydraulic cylinder.
One of according to claim 1 to 5 described a kind of hydraulic pressure dolphin pivot plow, it is characterized in that, described deep loosening tooth device comprises deep loosening tooth body, deep loosening tooth fixed head, main body base, rocking bar, connecting rod, hydraulic cylinder and combination limited block, described main body base and rocking bar are hinged, described connecting rod and rocking bar are hinged, and described deep loosening tooth is fixed on the deep loosening tooth fixed head, and described deep loosening tooth fixed head is fixed on connecting rod, described combination limited block is positioned at hydraulic cylinder one end, controls the stroke of hydraulic cylinder.
7. a kind of hydraulic pressure dolphin pivot plow according to claim 6, it is characterized in that, described land wheel control device comprises support, adjusting screw(rod), holder, elevating lever, land wheel supports, land wheel, plate, reversal valve, back-moving spring and transmission device, described support and holder are fastenedly connected, elevating lever and holder cunning are joined, adjusting screw(rod) passes holder and is threaded with elevating lever, land wheel support one end and elevating lever are hinged, the other end is hinged with the land axle that is fixed with land wheel, be provided with back-moving spring between land wheel support and elevating lever, plate supports with land wheel and is connected mutually, reversal valve is fixed on the end of plate.
8. a kind of hydraulic pressure dolphin pivot plow according to claim 7, it is characterized in that, described transmission device is chain and sprocket driving device, described chain and sprocket driving device comprises bearing, chain wheel set, land axle, axle of carrier pulley, cam, camshaft, all assemble chain wheel set on described axle of carrier pulley, camshaft, cam is positioned at the other end of camshaft, and axle of carrier pulley, camshaft and land wheel support hinged.
9. a kind of hydraulic pressure dolphin pivot plow according to claim 8, it is characterized in that, with after-poppet and with hinged hydraulic cylinder and the hydraulic cylinder in the deep loosening tooth device of upper suspension plate be automatically to be controlled by the land wheel control device, hydraulic cylinder and the hydraulic cylinder in plough body device hinged with link are by the HYDRAULIC CONTROL SYSTEM in tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320304417 CN203261648U (en) | 2013-05-30 | 2013-05-30 | Hydraulic dolphin-shaped turnover plow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320304417 CN203261648U (en) | 2013-05-30 | 2013-05-30 | Hydraulic dolphin-shaped turnover plow |
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| Publication Number | Publication Date |
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| CN203261648U true CN203261648U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320304417 Expired - Fee Related CN203261648U (en) | 2013-05-30 | 2013-05-30 | Hydraulic dolphin-shaped turnover plow |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409496A (en) * | 2017-09-14 | 2017-12-01 | 山东农业大学 | A kind of pivot plow |
| CN108377676A (en) * | 2018-02-26 | 2018-08-10 | 吉林大学 | A kind of subsoiler and its subsoiling penetrating angle real-time control system and control method |
| CN108377673A (en) * | 2018-02-26 | 2018-08-10 | 吉林大学 | A kind of fluid power exciting overload protection subsoiling device that penetrating angle is controllable |
-
2013
- 2013-05-30 CN CN 201320304417 patent/CN203261648U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409496A (en) * | 2017-09-14 | 2017-12-01 | 山东农业大学 | A kind of pivot plow |
| CN108377676A (en) * | 2018-02-26 | 2018-08-10 | 吉林大学 | A kind of subsoiler and its subsoiling penetrating angle real-time control system and control method |
| CN108377673A (en) * | 2018-02-26 | 2018-08-10 | 吉林大学 | A kind of fluid power exciting overload protection subsoiling device that penetrating angle is controllable |
| CN108377676B (en) * | 2018-02-26 | 2020-04-24 | 吉林大学 | Subsoiler and real-time control system and control method for subsoiling soil penetration angle thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160530 |