CN111295977B - Farming equipment for agricultural planting capable of adjusting pit depth according to crop type - Google Patents
Farming equipment for agricultural planting capable of adjusting pit depth according to crop type Download PDFInfo
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- CN111295977B CN111295977B CN201911247547.0A CN201911247547A CN111295977B CN 111295977 B CN111295977 B CN 111295977B CN 201911247547 A CN201911247547 A CN 201911247547A CN 111295977 B CN111295977 B CN 111295977B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
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Abstract
The invention relates to the technical field of agriculture, and discloses farming equipment for agricultural planting, which adjusts the depth of a pit according to the type of a crop, and the farming equipment comprises a movable rod, wherein a groove rod is fixedly connected to the outer side of the movable rod; first carousel rotates and arouses the carriage release lever to remove, be favorable to going on of follow-up pit digging operation, the range that removes about the angle of adjustment second carousel can change the carriage release lever, the degree of depth to the change hole of different crop selectivity, improve the survival rate of crop, higher practicality has, the carriage release lever is removed and is aroused the second screw rod to reciprocate, and remove about the carriage release lever range and make the range that the second screw rod reciprocated greatly also big, control the degree of depth of later stage hole, oval dish rotates and makes its major axis end be close to the connecting rod, arouse that the utensil of digging is close to ground and dig the hole, the minor axis of oval dish is close to the connecting rod, arouse the utensil of digging and keep away from ground, do preparation for next round of digging the hole, realize digging automatically, it is more convenient to operate.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to farming equipment for agricultural planting, which adjusts the pit depth according to the type of crops.
Background
Agriculture is an industry which obtains products by utilizing growth and development rules of animals and plants and an artificial cultivation technology, so that daily diet and agriculture are rapidly developed, and a soil tillage machine is one of common agricultural machines.
When crops are planted, the planting depth of the crops has different requirements due to different root system distribution depths and widths of the crops, if the crops are sown too deeply, the germination speed of seeds is slow, the seedlings emerge late, and the seedlings are weak, so that the seedlings cannot emerge easily, rotten seeds are caused, and the seedlings are easily damaged by diseases, insects and adverse environments; if the seeding is too shallow, particularly under the drought condition, the seeds are easy to fall dry and cannot absorb moisture, so that the sprouts die, and even if the sprouts survive, the seedlings cannot be supported and fall down due to insufficient depth of root systems, so that the crops grow obliquely, the too deep or too shallow pits are not favorable for the growth and development of the crops, the survival rate of the crops is seriously influenced, and the cost is increased. When little range manual work is planted, generally adopt artifical manual dig the hole, there is great error in the degree of depth of hole cave, can't guarantee high-quality survival rate, and current farming equipment, when needing to cultivate the hole cave of the different degree of depth, need change the size of cultivating the mechanism or adjust the height with it, need consume certain time during the change to reserve cultivating the mechanism has increased the cost of equipment, and the altitude mixture control process is loaded down with trivial details, it is very inconvenient to operate, and influence work goes on, reduce work efficiency.
Aiming at the defects of the prior art, the invention provides farming equipment for adjusting pit depth according to crop types, which has the advantages of controllable pit digging depth and convenience in operation, solves the problem of single pit depth, controls the pit depth, increases linkage among structures, changes the pit depth according to different crop selectivity, improves the survival rate of crops, has higher practicability, realizes automatic pit digging and is more convenient to operate.
Disclosure of Invention
Technical scheme (I)
In order to realize the purposes of controllable pit digging depth and convenient operation, the invention provides the following technical scheme: the farming equipment for agricultural planting, which can adjust the depth of the pits according to the types of crops, comprises a movable rod, a groove rod, a first rotary table, a sliding plate, a second rotary table, a fixed plate, a first cone pulley, a second cone pulley, a toothed bar, a gear, a first screw rod, a second screw rod, a digging tool, a connecting rod and an elliptic disc.
Wherein:
the position and connection relationship among the structures are as follows:
a farming device for agricultural planting for adjusting pit depth according to crop types comprises a moving rod, wherein two connecting rods with the same size are fixedly connected to the bottom of the moving rod, limiting blocks are fixedly connected to two sides of the moving rod, a convex groove is formed in each limiting block and consists of a large groove and a small groove, the size of the large groove is matched with that of the moving rod, the size of the small groove is matched with that of the connecting rods, one side, away from the moving rod, of each connecting rod is fixedly connected with a toothed bar, the outer side of the moving rod is fixedly connected with a groove rod, a channel is formed in each groove rod, a first rotating disc is movably connected to the lower portion of each groove rod, a rotating rod is fixedly connected to the non-central position of the first rotating disc, a first cone pulley is fixedly connected to the bottom of each rotating disc, a sliding plate is movably connected to the bottom of each first rotating disc, a hollow groove is formed in each sliding plate, and the size of each sliding, the outer side of the sliding plate is fixedly connected with a long lug and a short lug, the first rotary plate is positioned between the long lug and the short lug, the size of the long lug is matched with the size of a groove rod channel, so that the long lug is clamped in the channel to move smoothly, the outer side of the sliding plate is movably connected with a second rotary plate, the surface of the second rotary plate is provided with a sliding groove, the size of the sliding groove is matched with the size of the sliding plate, the outer side of the second rotary plate is fixedly connected with a rotary handle, so that the second rotary plate can be rotated through the rotary rod, the bottom of the second rotary plate is fixedly connected with a fixed plate, the lower part of the fixed plate is movably connected with a first cone pulley, the outer side of the first cone pulley is movably connected with a first cone pulley, the size of the first cone pulley is matched with the size of the first cone pulley, the outer side of the first cone pulley is fixedly connected with a second cone pulley, the outer side of the second cone pulley is movably connected with a third cone pulley, the size of the third cone pulley is fixedly connected with a fourth cone pulley, the outer side of the fourth conical wheel is movably connected with a second conical wheel, the size of the second conical wheel is matched with that of the fourth conical wheel, and the outer side of the first conical wheel is movably connected with a second conical wheel.
A toothed bar is fixedly connected below the moving rod, a gear is movably connected at the bottom of the toothed bar, the size of the toothed bar is matched with the size of the gear, the gear can be driven to rotate in a reciprocating manner when the toothed bar moves leftwards and rightwards, a first screw rod is fixedly connected at the outer side of the gear, a second screw rod is movably connected at the outer side of the first screw rod, the size of the first screw rod is matched with the size of the second screw rod, a digging tool is movably connected at the bottom of the second screw rod, a pull rope is fixedly connected at the outer side of the digging tool, a connecting rod is movably connected at one side of the pull rope, which is far away from the digging tool, a connecting rod is movably connected at the outer side of the connecting rod, a limit block is fixedly connected at one side of the connecting rod, the size of the elliptic disc is matched with that of the connecting rod lug, and one side of the elliptic disc, which is far away from the connecting rod, is fixedly connected with the second cone pulley.
(II) advantageous effects
Compared with the prior art, the invention provides farming equipment for agricultural planting, which can adjust the pit depth according to the type of crops, and has the following beneficial effects:
1. through the carriage release lever, the groove pole, first carousel, under the combined action of slide and second carousel, first carousel rotates, its major axis end is close to long lug promotion groove pole and moves to the right, the synchronous right side of carriage release lever moves, later the major axis end of first carousel is close to short lug, promote the slide to the left side below removal that inclines, slide pulling carriage release lever moves to the left, arouse to remove about the carriage release lever, be favorable to going on of follow-up dig hole operation, the angle of adjustment second carousel can change the range that removes about the carriage release lever, the degree of depth to the selective change hole of different crops, improve the survival rate of crops, and has high practicality.
2. Under the combined action of the movable rod, the toothed rod, the gear, the first screw and the second screw, the movable rod moves left and right to drive the movable rod and the toothed rod to move synchronously, so that the gear rotates, the first screw rotates synchronously and drives the second screw to move up and down, the moving amplitude of the movable rod is larger, so that the moving amplitude of the second screw is larger, the moving amplitude of the second screw is smaller, the digging tool is positioned at a position higher than the ground, a pit dug by the digging tool is shallower, and the moving amplitude of the second screw is larger, the digging tool is positioned at a position lower than the ground, so that the digging tool is deeper, the depth of the pit dug by the digging tool is controlled, and the linkage between structures is improved.
3. Under the combined action through digging utensil, connecting rod and oval dish, oval dish rotates and makes its major axis end be close to the connecting rod, promotes the connecting rod and moves right and drives to dig the utensil anticlockwise rotation and be close to ground and dig the hole, and the minor axis of oval dish is close to the connecting rod, and the pulling connecting rod moves left and drives to dig the utensil and rotate clockwise and keep away from ground, for next round dig the hole and do the preparation, realize automatic digging the hole, it is more convenient to operate.
Drawings
FIG. 1 is a schematic diagram of the present invention, wherein the structures are in an initial state and are not changed in position;
FIG. 2 is a schematic view of the movement trace of FIG. 1 according to the present invention, wherein the fixing plate is rotated;
FIG. 3 is a schematic diagram of the motion trace of FIG. 1 according to the present invention, wherein the first turntable is rotated to cause the slide plate to move downward and leftward;
FIG. 4 is a schematic view showing the connection relationship between the first rotary plate, the slide plate and the second rotary plate of the movable rod of the present invention, wherein the structures are in the initial state and are not changed in position;
FIG. 5 is a schematic diagram of the movement traces of the first turntable, the slide plate and the second turntable in the structure of the present invention, when the second turntable rotates to cause the moving rod to move to the rightmost side;
FIG. 6 is a schematic diagram of the movement traces of the first turntable, the slide plate and the second turntable according to the present invention, when the second turntable rotates to cause the moving rod to move to the leftmost side;
FIG. 7 is a schematic view of a travel bar of the present invention;
FIG. 8 is a schematic view of the connection between the movable rod and the first cone pulley according to the present invention;
FIG. 9 is a schematic view of the connection between the first cone and the second cone according to the present invention;
FIG. 10 is a schematic view of the connection between the rack and the gear according to the present invention;
FIG. 11 is a schematic view of the connection between the gear and the second screw according to the present invention;
FIG. 12 is a schematic view showing the connection between the excavating tool and the elliptical disk according to the present invention, wherein the structures are in the initial state and are not changed in position;
FIG. 13 is a schematic diagram of the movement traces of the digging implement and the elliptical disk of the present invention, wherein the rotation of the elliptical disk causes the digging implement to rotate in a reverse direction.
In the figure: 1-moving rod, 2-grooved rod, 3-first rotating disk, 4-sliding plate, 5-second rotating disk, 6-fixing plate, 7-first cone pulley, 8-second cone pulley, 9-toothed rod, 10-gear, 11-first screw, 12-second screw, 13-digging tool, 14-connecting rod and 15-elliptic disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, a farming equipment for agricultural planting for adjusting pit depth according to crop type, comprising a moving rod 1, two connecting rods with the same size are fixedly connected to the bottom of the moving rod 1, limiting blocks are fixedly connected to both sides of the moving rod 1, a 'convex' shaped groove is formed in the limiting blocks, the 'convex' shaped groove is composed of a large groove and a small groove, the size of the large groove is matched with that of the moving rod 1, the size of the small groove is matched with that of the connecting rods, one side of the connecting rods, far away from the moving rod 1, is fixedly connected with a toothed rod 9, so that the moving rod 1 can keep moving horizontally and reversely left and right, the connecting rods at the bottom of the moving rod can not be obstructed by the limiting blocks when moving, a grooved rod 2 is fixedly connected to the outer side of the moving rod 1, a channel is formed in the inner side of the grooved rod 2, a first rotating disc 3 is movably connected to the lower side of the grooved rod 2, the first rotating disc 3 is fixedly connected to the rotating rod at a non-center position, the first cone pulley 7 of bottom fixedly connected with of bull stick, the bottom swing joint of first carousel 3 has slide 4, the dead slot has been seted up to the inside of slide 4, the size of its size and the size looks adaptation of 3 bull sticks of first carousel, the long lug of outside fixedly connected with and the short lug of slide 4, first carousel 3 is located between long lug and the short lug, when making first carousel 3 carry out eccentric rotation, its major axis promotes long lug or short lug, cause slide 4 to carry out linear motion, the size of long lug and the size looks adaptation of 2 channels of groove pole, make long lug card smoothly remove in the channel.
A second rotating disk 5 is movably connected to the outer side of the sliding plate 4, a sliding groove is formed in the surface of the second rotating disk 5, the size of the sliding plate is matched with the size of the sliding plate 4, the sliding plate 4 can move smoothly in the sliding groove of the second rotating disk 5, a rotating handle is fixedly connected to the outer side of the second rotating disk 5, the second rotating disk 5 can be conveniently rotated through a rotating rod, a fixing plate 6 is fixedly connected to the bottom of the second rotating disk 5, a first conical wheel 7 is movably connected to the lower portion of the fixing plate 6, a first conical wheel is movably connected to the outer side of the first conical wheel 7, the size of the first conical wheel is matched with the size of the first conical wheel 7, a second conical wheel is fixedly connected to the outer side of the first conical wheel, a third conical wheel is movably connected to the outer side of the second conical wheel, the size of the third conical wheel is matched with the size of the second conical wheel, a fourth conical wheel is fixedly connected, the size of the first cone pulley is matched with that of the fourth cone pulley, and a second cone pulley 8 is movably connected to the outer side of the first cone pulley 7.
A toothed bar 9 is fixedly connected below the moving rod 1, a gear 10 is movably connected at the bottom of the toothed bar 9, the size of the toothed bar 9 is matched with the size of the gear 10, the gear 10 can be driven to rotate back and forth when the toothed bar 9 moves left and right, a first screw 11 is fixedly connected at the outer side of the gear 10, a second screw 12 is movably connected at the outer side of the first screw 11, the size of the first screw 11 is matched with the size of the second screw 12, the second screw 12 can be driven to move up and down when the first screw 11 rotates, a digging tool 13 is movably connected at the bottom of the second screw 12, a pull rope is fixedly connected at the outer side of the digging tool 13, a connecting rod 14 is movably connected at one side of the pull rope far away from the digging tool 13, a connecting rod 14 is movably connected at the outer side of the digging tool 13, a limiting block is fixedly connected at the outer side of the connecting rod 14, the limiting block supports the connecting rod 14 and enables the connecting rod 14 to move horizontally, a protruding block is fixedly connected at one side of the connecting rod 14 far away from the pull rope, the outer side of the connecting rod 14 is movably connected with an elliptical disk 15, the surface of the elliptical disk 15 is provided with a channel, the size of the channel is matched with that of a convex block of the connecting rod 14, the connecting rod 14 is pulled to move left and right when the elliptical disk 15 rotates, and one side, far away from the connecting rod 14, of the elliptical disk 15 is fixedly connected with the second cone pulley 8.
The working process and the principle of the device are as follows:
the first cone pulley 7 rotates and drives the first rotary disc 3 to rotate synchronously through the rotating rod, the short lug of the long shaft end of the first rotary disc 3 close to the sliding plate 4 is far away from the short lug and close to the long lug, initially, the rotating shaft, the long lug and the short lug of the first rotating disc 3 are positioned on the same vertical line, the first rotating disc 3 drives the long lug of the sliding plate 4 to present a vertical motion track in the groove channel of the groove rod 2, when different crops are planted, the equipment needs to be adjusted, the rotating rod is rotated to drive the second rotating disc 5 to rotate, the sliding plate 4 synchronously rotates, the connecting line of the rotating shaft of the first rotating disc 3 and the short lug of the sliding plate 4 is staggered with the previous vertical line to form a corresponding included angle, the long lug of the sliding plate 4 is always positioned in the channel of the groove rod 2, the long shaft end of the first rotating disc 3 is close to the long lug, the long lug is pushed to move obliquely and upwards in the channel of the groove rod 2, the long lug drives the groove rod 2 to move rightwards, and the moving rod 1 synchronously moves rightwards; then the long shaft end of the first rotary disc 3 is close to the short bump, the short bump is pushed to move towards the oblique left lower side, the long bump pulls the sliding plate 4 to move synchronously, the moving rod 1 moves along with the short bump, the moving rod 1 moves leftwards and rightwards, the larger the included angle between the connecting line of the rotating shaft of the first rotary disc 3 and the short bump of the sliding plate 4 and the vertical line is, and the larger the moving amplitude of the moving rod 1 in left and right movement is.
The above structure and process are shown in FIGS. 1-8.
When the movable rod 1 moves left and right, the toothed rod 9 is driven to move synchronously, the toothed rod 9 is meshed with the gear 10 to drive the gear 10 to rotate in a reciprocating manner, the first screw rod 11 rotates synchronously, the first screw rod 11 is meshed with the second screw rod 12 to drive the second screw rod 12 to move up and down, the digging tool 13 is synchronously downward, the digging tool 13 is movably connected with the connecting rod 14 through a pull wire, the connecting rod 14 drives the digging tool 13 to rotate clockwise by taking the joint of the digging tool 13 and the connecting rod at the bottom of the second screw rod 12 as a rotating point through a pull rope when the digging tool 13 moves down, meanwhile, the second cone 8 drives the elliptical disk 15 to rotate, the connecting rod 14 is clamped in a channel of the elliptical disk 15, when the long axis of the elliptical disk 15 is close to the connecting rod 14, the connecting rod 14 is driven to move right to push the digging tool 13 to rotate anticlockwise, the digging tool 13 obliquely approaches the ground to dig pits, after the pits are finished, the short axis of the elliptical disk 15 approaches to the connecting rod 14, the connecting rod 14 is driven to move left to pull the digging tool 13 to rotate clockwise, the digger 13 is remote from the ground.
The above structure and process are shown in FIGS. 9-13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A farming equipment for adjusting the depth of a hole according to the type of crop, comprising a mobile bar (1), characterized in that: a groove rod (2) is fixedly connected to the outer side of the moving rod (1), a first rotary table (3) is movably connected to the lower portion of the groove rod (2), a sliding plate (4) is movably connected to the bottom of the first rotary table (3), a second rotary table (5) is movably connected to the outer side of the sliding plate (4), a fixing plate (6) is fixedly connected to the bottom of the second rotary table (5), and a first conical pulley (7) is movably connected to the lower portion of the fixing plate (6);
a toothed bar (9) is fixedly connected below the moving bar (1), a gear (10) is movably connected at the bottom of the toothed bar (9), a first screw (11) is fixedly connected to the outer side of the gear (10), a second screw (12) is movably connected to the outer side of the first screw (11), a digging tool (13) is movably connected to the bottom of the second screw (12), a connecting rod (14) is movably connected to the outer side of the digging tool (13), and an elliptical disc (15) is movably connected to the outer side of the connecting rod (14);
the bottom of the moving rod (1) is fixedly connected with two connecting rods with the same size, two sides of the moving rod (1) are fixedly connected with limiting blocks, a convex groove is formed in each limiting block, each convex groove is composed of a large groove and a small groove, the size of each large groove is matched with that of the moving rod (1), the size of each small groove is matched with that of each connecting rod, and one side, far away from the moving rod (1), of each connecting rod is fixedly connected with the toothed rod (9);
a channel is formed in the groove rod (2), a rotating rod is fixedly connected to the non-central position of the first rotating disc (3), a first cone pulley (7) is fixedly connected to the bottom of the rotating rod, a hollow groove is formed in the sliding plate (4), the size of the hollow groove is matched with the size of the rotating rod of the first rotating disc (3), a long bump and a short bump are fixedly connected to the outer side of the sliding plate (4), the first rotating disc (3) is located between the long bump and the short bump, and the size of the long bump is matched with the size of the channel of the groove rod (2);
the surface of the second turntable (5) is provided with a sliding chute, the size of the sliding chute is matched with that of the sliding plate (4), and the outer side of the second turntable (5) is fixedly connected with a rotating handle;
a first conical wheel is movably connected to the outer side of the first conical wheel (7), a second conical wheel is fixedly connected to the outer side of the first conical wheel, a third conical wheel is movably connected to the outer side of the second conical wheel, a fourth conical wheel is fixedly connected to the lower portion of the third conical wheel, and a second conical wheel (8) is movably connected to the outer side of the fourth conical wheel;
the size of the rack bar (9) is matched with that of the gear (10), and the size of the first screw (11) is matched with that of the second screw (12);
a pull rope is fixedly connected to the outer side of the digging tool (13), a connecting rod (14) is movably connected to one side, away from the digging tool (13), of the pull rope, a limiting block is fixedly connected to the outer side of the connecting rod (14), a protruding block is fixedly connected to one side, away from the pull rope, of the connecting rod (14), a channel is formed in the surface of the elliptic disc (15), the size of the channel is matched with that of the protruding block of the connecting rod (14), and one side, away from the connecting rod (14), of the elliptic disc (15) is fixedly connected with the second cone pulley (8);
when the device is used, the first cone pulley (7) rotates and drives the first rotary table (3) to synchronously rotate through the rotating rod, the short lug, which is close to the sliding plate (4), at the long shaft end of the first rotary table (3) is further away from the short lug and is close to the long lug, initially, the rotating shaft, the long lug and the short lug of the first rotary table (3) are positioned on the same vertical line, the long lug of the sliding plate (4) is driven by the first rotary table (3) to present a vertical motion track in the groove channel of the groove rod (2), when different crops are planted, the device needs to be adjusted, the rotating rod is rotated to drive the second rotary table (5) to rotate, the sliding plate (4) synchronously rotates, the connecting line of the rotating shaft of the first rotary table (3) and the short lug of the sliding plate (4) is staggered from the previous vertical line to present a corresponding included angle, the long lug of the sliding plate (4) is always positioned in the groove channel of the groove rod (2), the long shaft end of the first rotary table (3) is close to the long lug, the long bump is pushed to move obliquely right upwards in the channel of the slot rod (2), the long bump drives the slot rod (2) to move right, and the movable rod (1) synchronously moves right; then the long shaft end of the first rotary disc (3) is close to the short bump, the short bump is pushed to move towards the oblique left lower side, the long bump pulls the sliding plate (4) to move synchronously, the moving rod (1) moves along with the short bump, the moving rod (1) moves left and right, the larger the included angle between the connecting line of the rotating shaft of the first rotary disc (3) and the short bump of the sliding plate (4) and the vertical line is, the larger the amplitude of left and right movement of the moving rod (1) is;
when the movable rod (1) moves left and right, the toothed rod (9) is driven to move synchronously, the toothed rod (9) is meshed with the gear (10) to drive the gear (10) to rotate back and forth, the first screw rod (11) rotates synchronously, the second screw rod (12) is driven to move up and down due to the meshing of the first screw rod (11) and the second screw rod (12), the digging tool (13) synchronously moves downwards, the digging tool (13) is movably connected with the connecting rod (14) through a pull wire, the connecting rod (14) drives the digging tool (13) to rotate clockwise by taking the joint of the digging tool (13) and the connecting rod at the bottom of the second screw rod (12) as a rotating point through the pull wire when the digging tool (13) moves downwards, meanwhile, the second cone wheel (8) drives the elliptical disc (15) to rotate, and when the long shaft of the elliptical disc (15) is close to the connecting rod (14), the connecting rod (14) is driven to move right to push the digging tool (13) to rotate anticlockwise, digging tool (13) is inclined to be close to the ground for digging pit, after pit digging is completed, the short shaft of elliptic disc (15) is close to connecting rod (14), driving connecting rod (14) to move left to pull digging tool (13) to rotate clockwise, and digging tool (13) is far away from the ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911247547.0A CN111295977B (en) | 2019-12-09 | 2019-12-09 | Farming equipment for agricultural planting capable of adjusting pit depth according to crop type |
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| CN201911247547.0A CN111295977B (en) | 2019-12-09 | 2019-12-09 | Farming equipment for agricultural planting capable of adjusting pit depth according to crop type |
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| CN111295977A CN111295977A (en) | 2020-06-19 |
| CN111295977B true CN111295977B (en) | 2021-09-21 |
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| CN103548449A (en) * | 2013-10-31 | 2014-02-05 | 张培坤 | Punching device of fertilizer distributor |
| CN103782689A (en) * | 2014-01-03 | 2014-05-14 | 西北农林科技大学 | Hole digging fertilizer distributor for orchard |
| CN105359671A (en) * | 2015-10-20 | 2016-03-02 | 新津县宝龙生态家庭农场 | Small full-automatic sowing machine |
| CN106961888A (en) * | 2017-03-29 | 2017-07-21 | 东北农业大学 | Hole roller feed mechanism for seed gear-rack drive bunch planting feed mechanism |
| CN208353867U (en) * | 2018-04-03 | 2019-01-11 | 孙利成 | A kind of pit-picker with fertilizing functions |
| CN108684253A (en) * | 2018-05-22 | 2018-10-23 | 宁夏博文利奥科技有限公司 | A kind of digging apparatus of small-sized more power conversions |
| CN109005755A (en) * | 2018-08-14 | 2018-12-18 | 徐亮 | A kind of multi-functional agricultural brill hole earth-moving equipment |
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| CN111295977A (en) | 2020-06-19 |
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