CN112753325B

CN112753325B - Seeder of adjustable seed seeding interval

Info

Publication number: CN112753325B
Application number: CN202011634155.2A
Authority: CN
Inventors: 霍金阁
Original assignee: Hunan Golden Ant Intelligent Equipment Co ltd
Current assignee: Hunan Golden Ant Intelligent Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-09-20
Anticipated expiration: 2040-12-31
Also published as: CN112753325A

Abstract

The invention relates to the technical field of multi-row seeders, in particular to a seeder capable of adjusting seed sowing intervals. According to the invention, through the arrangement of the cross beams, the connecting rods and the sowing mechanisms, the two cross beams and the two connecting rods form a parallelogram frame structure, after the inclination angles of the two cross beams are changed, the connecting rods and the plurality of sowing mechanisms are still parallel to each other, the orientation of the connecting rods and the plurality of sowing mechanisms is unchanged, only the transverse spacing between the plurality of sowing mechanisms is changed, multi-row simultaneous sowing is realized, the row spacing is adjustable, the height of the cross beams is adjusted by rotating the threaded rods through the arrangement of the threaded rods, the sliding sleeves and the fixed rods, the depth of the soil breaking shovel inserted into soil is conveniently adjusted, and the sowing burying depth of seeds is adjusted, so that the sowing requirements of different crop seeds are met.

Description

Seeder of adjustable seed seeding interval

Technical Field

The invention relates to the technical field of multi-row seeders, in particular to a seeder capable of adjusting seed sowing spacing.

Background

The reasonable close planting means that the density is proper when the crops are planted, the row spacing is reasonable, the reasonable close planting is determined according to natural conditions, the types and the variety characteristics of the crops, cultivation fertilization and other cultivation technical levels, and the reasonable close planting is an important measure for increasing the crop yield.

The seeding row spacing of different crops is different, and present multirow seeder mostly can not adjust the seeding row spacing, can adjust also very difficult and troublesome when adjusting the seeding row spacing of seeding row spacing, leads to the multirow seeder of a model only to be applicable to a crop seeding, can't adapt to the seeding demand of multiple crop, is unfavorable for in-service use.

Disclosure of Invention

In order to overcome the above technical problems, the present invention aims to provide a sowing machine capable of adjusting a sowing distance of seeds, through the arrangement of the cross beams, the connecting rods and the sowing mechanisms, the two cross beams and the two connecting rods form a parallelogram frame structure, after the inclination angles of the two cross beams are changed, the connecting rods and the plurality of sowing mechanisms are still parallel to each other, the orientation is unchanged, only the transverse spacing between a plurality of sowing mechanisms is changed, the simultaneous sowing of a plurality of rows is realized, the row spacing is adjustable, by arranging the threaded rod, the sliding sleeve and the fixed rod, the threaded rod is rotated to adjust the height of the cross beam, so that the soil breaking shovel and the soil covering shovel are conveniently separated from the ground when the cross beam is adjusted, the inclination angle of the cross beam is conveniently adjusted, meanwhile, the depth of the soil breaking shovel inserted into soil is convenient to adjust, and the sowing and burying depth of the seeds is adjusted to meet the sowing requirements of different crop seeds.

The purpose of the invention can be realized by the following technical scheme:

a seeder capable of adjusting seed sowing spacing comprises a travelling mechanism, wherein the travelling mechanism comprises two beams which are arranged in parallel, an adapter is fixedly connected to the middle position of the outer side wall of one beam, one end of the adapter is rotatably connected with a traction rod, a connecting rod is rotatably connected between the two ends of the two beams, a plurality of connecting holes are formed in the top surface of each beam in an equidistant mode, a sowing mechanism is rotatably connected between the two beams corresponding to the positions of the connecting holes, a rotating seat is fixedly connected to the middle position of the top surface of each connecting rod, the connecting rod is rotatably connected with a threaded rod through the rotating seat, the bottom end of the threaded rod penetrates through the connecting rod and extends to the outer side below the connecting rod, a sliding sleeve is fixedly connected to the position of the bottom surface of the connecting rod corresponding to the threaded rod, a fixed rod is sleeved on the inner wall of the sliding sleeve in a sliding mode, a threaded hole is formed in the top surface of the fixed rod, the threaded hole is connected with the bottom end of the threaded rod in a screwing mode, a movable wheel is installed on one side wall of the bottom end of the fixed rod, a parallelogram frame structure is formed by the two cross beams and the two connecting rods, after the inclination angle of the two cross beams is changed, the connecting rods and the multiple seeding mechanisms are still parallel to each other, the orientation of the connecting rods and the multiple seeding mechanisms is unchanged, only the transverse spacing between the multiple seeding mechanisms is changed, multiple rows of seeding are simultaneously realized, the row spacing is adjustable, the seeding requirements of multiple crops are met, and the height of the movable wheel is adjustable through the arrangement of the sliding sleeve, the threaded rod and the fixed rod;

the seeding mechanism comprises an upper fixing plate, a lower fixing plate is arranged below the upper fixing plate, two ends of the upper fixing plate are rotatably connected with the top surface of a corresponding cross beam, two ends of the lower fixing plate are rotatably connected with the bottom surface of the corresponding cross beam, a first groove hole is formed in the top surface of the upper fixing plate, the upper fixing plate and the lower fixing plate are identical in structure, a feeding box is fixedly sleeved between the first groove hole of the upper fixing plate and the first groove hole of the lower fixing plate, a blanking hopper is fixedly connected to the top surface of the upper fixing plate, the bottom end of the blanking hopper is communicated with the top end of the feeding box, a placing cavity is formed in the feeding box, a first round rod is rotatably connected to the inner wall of the placing cavity, a feeding wheel is rotatably connected to the outer side wall of the first round rod, the outer side wall of the feeding wheel is slidably connected with the annular inner side wall of the placing cavity, a material collecting groove is formed in the annular outer side wall of the feeding wheel, one end of the first round rod penetrates through the feeding box and extends to the outer side of the feeding box, one end of the first round rod is fixedly connected with a first belt wheel in a sleeved mode, the bottom surface of the lower fixing plate is fixedly connected with a supporting rod, the bottom end of the supporting rod is rotatably connected with a second round rod, one end of the second round rod is sequentially fixedly connected with a second belt wheel and a traveling wheel in a sleeved mode, a belt is connected between the first belt wheel and the second belt wheel in a transmission mode, one end of the traction rod is fixedly connected with two fixing mechanisms used for fixing the inclination angle of the cross beam, seeds are placed into the discharging hopper, the threaded rod is rotated to adjust the height of the cross beam, the traveling wheel is in contact with the ground, the traveling mechanism is pulled to advance through an external power device, the traveling wheel rotates in a friction mode with the ground, the first round rod is driven to rotate through the first belt wheel and the second belt wheel, the round rod drives the feeding wheel to rotate, when the collecting groove on the feeding wheel is communicated with the top end of the placing cavity, the seeds in the discharging hopper fall into the collecting groove, when the collecting groove is communicated with the bottom end of the placing cavity, the seeds in the collecting groove fall into soil from the bottom end of the placing cavity, and equidistant and uniform seeding is realized.

Further, the method comprises the following steps: the bottom surface both ends of bottom plate all have linked firmly the mount, and its mount bottom that is close to traction lever one end has linked firmly the break shovel, and the bottom of another mount has linked firmly the earthing shovel, and the break shovel advances along with advancing mechanism and leaves the slot with ground, and the seed falls into the ditch inslot from placing the chamber bottom afterwards, and the earthing shovel can the slot with filling up again with slot both sides earth, accomplishes the earthing to the seed.

Further, the method comprises the following steps: the placing cavity is located at the positions of two sides above the feeding wheel, rubber shifting pieces are fixedly connected, seeds overflowing the collecting groove are kept off and are skimmed, excessive seeds in the collecting groove are prevented, and the situation that the seeds enter the feeding wheel and are placed between the placing cavities to be crushed when the feeding wheel rotates is reduced.

Further, the method comprises the following steps: the fixing mechanism comprises a configuration box, the outer bottom surface of the configuration box is fixedly connected with a traction rod, the inner bottom surface of the configuration box is rotatably connected with a third round rod, the outer wall of the third round rod is fixedly sleeved with a ratchet wheel, one side outer wall of the configuration box is provided with a second slotted hole, the inner bottom surface of the configuration box is positioned at one side of the ratchet wheel and is rotatably connected with a limiting rod, a reset spring is fixedly connected between one end of the limiting rod and the inner side wall of the configuration box, the other end of the limiting rod penetrates through the second slotted hole and extends to the outer side of the configuration box, a sliding block is connected between the inner side walls at two sides of the second slotted hole, the top end of the third round rod penetrates through the configuration box and extends to the outer side of the configuration box, an annular outer side wall at the top end of the third round rod is sleeved and fixed with a reel, the reel is prevented from automatically reversing through the setting of the ratchet wheel, a mooring rope is loosened, and the inclination angle of the crossbeam is further changed, the inclined angle of the cross beam is fixed.

Further, the method comprises the following steps: the one end that the top surface of connecting rod is close to the traction lever has linked firmly fixed ear, and one-to-one between two fixed ears and two reels, and has linked firmly the hawser between fixed ear and the corresponding reel, the fixed cross beam inclination of being convenient for.

Further, the method comprises the following steps: the hexagonal groove is formed in the center of the top end of the reel, so that the reel can be conveniently rotated, and a cable rope can be tightened.

Further, the method comprises the following steps: the bottom end of the placing cavity is fixedly communicated with a discharging pipe, so that the situation that seeds are blown by wind to deviate from a ground groove when falling is reduced.

Further, the method comprises the following steps: the top of threaded rod links firmly the hand wheel, is convenient for rotate the threaded rod, is convenient for step crossbeam height.

The invention has the beneficial effects that:

1. the two ends of the two beams are rotatably connected with connecting rods, the top surfaces of the beams are equidistantly provided with a plurality of connecting holes, seeding mechanisms are rotatably connected between the two beams corresponding to the positions of the connecting holes, the two beams and the two connecting rods form a parallelogram frame structure, after the inclination angle of the two beams is changed, the connecting rods and the seeding mechanisms are still parallel to each other, the orientation is unchanged, only the transverse distance between the seeding mechanisms is changed, and multi-row simultaneous seeding is realized, and the row spacing is adjustable;

2. the connecting rod is connected with a threaded rod in a rotating mode, the bottom end of the threaded rod penetrates through the connecting rod and extends to the outer side below the connecting rod, a sliding sleeve is fixedly connected to the position, corresponding to the threaded rod, of the bottom surface of the connecting rod, a fixed rod is sleeved on the inner wall of the sliding sleeve in a sliding mode, a threaded hole is formed in the top surface of the fixed rod, the threaded hole is connected with the bottom end of the threaded rod in a rotating mode, a moving wheel is installed on one side wall of the bottom end of the fixed rod, the threaded rod is rotated, the fixed rod slides downwards relative to the sliding sleeve, accordingly, the height of the cross beam is increased, when the cross beam is adjusted conveniently, the soil breaking shovel and the soil covering shovel are separated from the ground, the inclination angle of the cross beam is adjusted conveniently, meanwhile, the depth of the soil breaking shovel inserted into soil is adjusted conveniently, and the depth of seeds buried in sowing is adjusted to meet the sowing requirements of different crop seeds;

3. through the setting of sowing mechanism, the running mechanism gos forward, the running wheel rotates with ground friction, it rotates to drive round bar one through band pulley one and band pulley two, the round bar drives the feeding wheel and rotates, when the feeding takes turns to the collecting tank and places the chamber top intercommunication, the interior seed of lower hopper falls into the collecting tank, when collecting tank with place the chamber bottom intercommunication, the interior seed of collecting tank passes the unloading pipe from placing the chamber bottom and falls into earth, broken soil spade is located unloading pipe the place ahead, the mechanism gos forward with the running opens the slot on ground, the seed falls into the slot from the unloading pipe afterwards, the covering shovel that is located unloading pipe rear refills the slot with slot both sides earth, accomplish the fluting, the seeding, the complete flow of earthing, reduce follow-up work load.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the sowing mechanism in the present invention;

FIG. 3 is an exploded view of the seeding mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the feed box of the present invention;

FIG. 5 is a schematic view of a traveling mechanism according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view of the fixing mechanism of the present invention;

FIG. 8 is a schematic view of the internal structure of the arrangement case of the present invention.

In the figure: 100. a traveling mechanism; 110. a cross beam; 111. connecting holes; 112. an adapter; 120. a draw bar; 130. a connecting rod; 131. fixing the ear; 140. a threaded rod; 150. a sliding sleeve; 160. fixing the rod; 161. a threaded hole; 170. a moving wheel; 200. a sowing mechanism; 210. an upper fixing plate; 211. a first slot hole; 220. a lower fixing plate; 230. a feeding box; 231. a feed wheel; 232. a placement chamber; 233. a material collecting groove; 234. a first round rod; 235. a discharging pipe; 236. a first belt wheel; 237. a rubber shifting sheet; 240. feeding a hopper; 250. a support bar; 251. a travel wheel; 252. a second round rod; 253. a second belt wheel; 260. a fixed mount; 261. breaking the soil and shoveling; 262. Covering a soil shovel; 300. a fixing mechanism; 310. a configuration box; 311. a second slot hole; 312. a slider; 313. a limiting rod; 314. a return spring; 320. a ratchet wheel; 330. a third round bar; 340. a reel; 341. a hexagonal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. 1-8, a seeder capable of adjusting seed sowing distance comprises a travelling mechanism 100, the travelling mechanism 100 comprises two parallel beams 110, one of the beams 110 has a joint 112 fixedly connected to the middle of the outer side wall, a connecting rod 130 is rotatably connected between the two ends of the two beams 110, one end of the joint 112 is rotatably connected with a drawbar 120, the top surface of the beam 110 has a plurality of connecting holes 111 at equal intervals, a sowing mechanism 200 is rotatably connected between the two beams 110 corresponding to the connecting holes 111, the connecting rod 130 has a rotating seat fixedly connected to the middle of the top surface, the connecting rod 130 is rotatably connected with a threaded rod 140 through the rotating seat, the bottom end of the threaded rod 140 penetrates through the connecting rod 130 and extends to the outer side below the connecting rod 130, a sliding sleeve 150 is fixedly connected to the bottom surface of the connecting rod 130 corresponding to the threaded rod 140, a fixing rod 160 is slidably sleeved on the inner wall of the sliding sleeve 150, the top surface of the fixed rod 160 is provided with a threaded hole 161, the threaded hole 161 is connected with the bottom end of the threaded rod 140 in a screwing way, one side wall of the bottom end of the fixed rod 160 is provided with a movable wheel 170, a parallelogram frame structure is formed by the two beams 110 and the two connecting rods 130, after the change of the inclination angle of the two beams 110 is realized, the connecting rods 130 and the multiple seeding mechanisms 200 are still parallel to each other, the orientation is unchanged, only the transverse interval between the multiple seeding mechanisms 200 is changed, the simultaneous seeding of multiple rows is realized, the row interval is adjustable, so as to adapt to the seeding requirements of multiple crops, and the height of the movable wheel 170 is adjustable through the arrangement of the sliding sleeve 150, the threaded rod 140 and the fixed rod 160;

the sowing mechanism 200 comprises an upper fixing plate 210, a lower fixing plate 220 is arranged below the upper fixing plate 210, two ends of the upper fixing plate 210 are rotatably connected with the top surface of a corresponding cross beam 110, two ends of the lower fixing plate 220 are rotatably connected with the bottom surface of the corresponding cross beam 110, a slotted hole I211 is formed in the top surface of the upper fixing plate 210, the upper fixing plate 210 and the lower fixing plate 220 are identical in structure, a feeding box 230 is fixedly sleeved between the slotted hole I211 of the upper fixing plate 210 and the slotted hole I211 of the lower fixing plate 220, a discharging hopper 240 is fixedly connected to the top surface of the upper fixing plate 210, the bottom end of the discharging hopper 240 is communicated with the top end of the feeding box 230, a placing cavity 232 is formed in the feeding box 230, a round rod I234 is rotatably connected to the inner wall of the placing cavity 232, a feeding wheel 231 is rotatably connected to the outer side wall of the round rod I234, the outer side wall of the feeding wheel 231 is slidably connected to the annular inner side wall of the placing cavity 232, and a material collecting groove 233 is formed in the annular outer side wall of the feeding wheel 231, one end of the first round rod 234 penetrates through the feeding box 230 and extends to the outer side of the feeding box 230, one end of the first round rod 234 is fixedly connected with a first belt wheel 236 in a sleeved mode, the bottom surface of the lower fixing plate 220 is fixedly connected with a supporting rod 250, the bottom end of the supporting rod 250 is rotatably connected with a second round rod 252, one end of the second round rod 252 is sequentially fixedly connected with a second belt wheel 253 and a traveling wheel 251 in a sleeved mode, a belt is connected between the first belt wheel 236 and the second belt wheel 253 in a transmission mode, one end of the traction rod 120 is fixedly connected with two fixing mechanisms 300 used for fixing the inclination angle of the cross beam 110, seeds are placed in the lower hopper 240, the threaded rod 140 is rotated, the height of the cross beam 110 is adjusted, the traveling wheel 251 is in contact with the ground, the traveling mechanism 100 is pulled to advance through an external power device, the traveling wheel 251 and the ground frictionally rotate, the first round rod 234 is driven to rotate through the first belt wheel 236 and the second belt wheel 253, the first round rod 234 drives the feeding wheel 231 to rotate, when the upper collecting groove 233 of the feeding wheel 231 is communicated with the top end of the placing cavity 232, the interior seed of hopper 240 falls into the silo 233 down, when the silo 233 with place chamber 232 bottom intercommunication, the interior seed of silo 233 of collection falls into earth from placing chamber 232 bottom, realizes the equidistance and evenly sows.

The both ends of the bottom surface of lower fixed plate 220 all have linked firmly mount 260, its mount 260 bottom that is close to traction lever 120 one end has linked firmly break shovel 261, and the bottom of another mount 260 has linked firmly covering shovel 262, break shovel 261 advances with advancing mechanism 100 and opens the slot with the ground, the seed falls into the slot from placing the chamber 232 bottom afterwards, covering shovel 262 will fill up the slot again with slot both sides earth, accomplish the earthing to the seed, it all has linked firmly rubber plectrum 237 to place chamber 232 and lie in feeding wheel 231 top both sides position department, keep off the seed that spills over collecting tank 233 and throw off, prevent that collecting tank 233 interior seed is too much, it is crushed to reduce the seed entering between feeding wheel 231 and the placing chamber 232 when feeding wheel 231 rotates.

The fixing mechanism 300 comprises a configuration box 310, the outer bottom surface of the configuration box 310 is fixedly connected with the traction rod 120, the inner bottom surface of the configuration box 310 is rotatably connected with a third round rod 330, the outer wall of the third round rod 330 is fixedly sleeved with a ratchet 320, the outer wall of one side of the configuration box 310 is provided with a second slotted hole 311, the inner bottom surface of the configuration box 310 is positioned at one side of the ratchet 320 and is rotatably connected with a limiting rod 313, a return spring 314 is fixedly connected between one end of the limiting rod 313 and the inner side wall of the configuration box 310, the other end of the limiting rod 313 penetrates through the second slotted hole 311 and extends to the outer side of the configuration box 310, a sliding block 312 is slidably connected between the inner side walls of the two sides of the second slotted hole 311, the top end of the third round rod 330 penetrates through the configuration box 310 and extends to the outer side of the configuration box 310, a winding wheel 340 is fixedly sleeved on the annular outer side wall of the top end of the third round rod 330, the winding wheel 340 is prevented from automatically reversing through the arrangement of the ratchet 320, so that a cable is loosened, and the inclination angle of the beam 110 is further changed, the realization is fixed with crossbeam 110 inclination, the one end that the top surface of connecting rod 130 is close to traction lever 120 has linked firmly fixed ear 131, and one-to-one between two fixed ear 131 and two reels 340, and have linked firmly the hawser between fixed ear 131 and the corresponding reel 340, be convenient for fixed crossbeam 110 inclination, hexagonal groove 341 has been seted up to the top central point of reel 340, conveniently rotate reel 340, thereby tighten the hawser, the bottom mounting intercommunication of placing chamber 232 has unloading pipe 235, it blows skew ground slot to reduce when the seed whereabouts, the top of threaded rod 140 has linked firmly the hand wheel, be convenient for rotate threaded rod 140, be convenient for adjust step crossbeam 110 height.

The working principle is as follows: when in use, the traction rod 120 is connected with an external power device, a parallelogram frame structure is formed by the two beams 110 and the two connecting rods 130, after the inclination angle of the two beams 110 is changed, the connecting rods 130 and the seeding mechanisms 200 are still parallel to each other and the orientation is unchanged, only the transverse spacing between the seeding mechanisms 200 is changed, multi-row simultaneous seeding is realized, the row spacing is adjustable, so as to meet the seeding requirements of various crops, the connecting rods 130 are rotatably connected with the threaded rod 140, the bottom end of the threaded rod 140 penetrates through the connecting rods 130 and extends to the outer side below the connecting rods 130, the position of the bottom surface of the connecting rod 130 corresponding to the threaded rod 140 is fixedly connected with the sliding sleeve 150, the inner wall of the sliding sleeve 150 is slidably sleeved with the fixed rod 160, the top surface of the fixed rod 160 is provided with the threaded hole 161, the threaded hole 161 is rotatably connected with the bottom end of the threaded rod 140, one side wall of the bottom end of the fixed rod 160 is provided with the movable wheel 170, the threaded rod 140 is rotated to enable the fixed rod 160 to slide downwards relative to the sliding sleeve 150, so that the beam 110 is lifted, the soil breaking shovel 261 and the soil covering shovel 262 leave the ground, the sliding block 312 on one fixing mechanism 300 is slid, the sliding block 312 presses the other end of the limiting rod 313, one end of the sliding block 312 compresses the return spring 314 and is separated from the ratchet wheel 320, the reel 340 of the other fixing mechanism 300 is rotated, the reel 340 pulls the corresponding cable to enable the corresponding end of the beam 110 to lean against the fixing mechanism 300 to rotate, the inclination angle of the beam 110 is changed, the sliding block 312 on one fixing mechanism 300 is slid reversely, the sliding block 312 is clamped with the ratchet wheel 320 again, one reel 340 is rotated to tighten all the two cables, the inclination angle change of the beam 110 during traveling is avoided, the reverse rotation of the reel 340 is limited, seeds are placed in the discharging hopper 240 through the arrangement of the seeding mechanism 200, the threaded rod 140 is rotated to adjust the height of the cross beam 110, so that the traveling wheel 251 is contacted with the ground, the traveling mechanism 100 is pulled by an external power device to advance, the traveling wheel 251 and the ground rotate in a friction mode, the first round rod 234 is driven to rotate by the first belt wheel 236 and the second belt wheel 253, the first round rod 234 drives the feeding wheel 231 to rotate, when the upper material collecting groove 233 of the feeding wheel 231 is communicated with the top end of the placing cavity 232, seeds in the lower material hopper 240 fall into the material collecting groove 233, when the material collecting groove 233 is communicated with the bottom end of the placing cavity 232, the seeds in the material collecting groove 233 pass through the lower material pipe 235 from the bottom end of the placing cavity 232 to fall into soil, the soil breaking shovel 261 is positioned in front of the lower material pipe 235, the traveling mechanism 100 advances to open grooves on the ground, then the seeds fall into the grooves from the lower material pipe 235, and the soil covering shovel 262 positioned behind the lower material pipe 235 recharges the grooves on two sides of the grooves, thereby completing the complete flow of grooving, sowing and soil covering, and the subsequent workload is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and it will be appreciated by those skilled in the art that various modifications, additions and substitutions can be made to the embodiments described without departing from the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a seeder of adjustable seed seeding interval, its characterized in that, includes running gear (100), running gear (100) includes two parallel arrangement's crossbeam (110), and the lateral wall intermediate position of one of them crossbeam (110) has linked firmly adapter (112), the one end of adapter (112) is rotated and is connected with traction lever (120), two all rotate between the both ends of crossbeam (110) and be connected with connecting rod (130), a plurality of connecting holes (111) have been seted up to the top surface equidistance of crossbeam (110), two it is connected with seeding mechanism (200) to correspond a plurality of connecting holes (111) position department between crossbeam (110) and all rotate, the top surface intermediate position of connecting rod (130) has linked firmly the rotation seat, and connecting rod (130) rotate through rotating the seat and be connected with threaded rod (140), the bottom of threaded rod (140) runs through connecting rod (130) and extends to the connecting rod (130) below outside, a sliding sleeve (150) is fixedly connected to the position, corresponding to the threaded rod (140), of the bottom surface of the connecting rod (130), a fixing rod (160) is sleeved on the inner wall of the sliding sleeve (150) in a sliding mode, a threaded hole (161) is formed in the top surface of the fixing rod (160), the threaded hole (161) is connected with the bottom end of the threaded rod (140) in a screwing mode, and a moving wheel (170) is installed on one side wall of the bottom end of the fixing rod (160);

the seeding mechanism (200) comprises an upper fixing plate (210), a lower fixing plate (220) is arranged below the upper fixing plate (210), two ends of the upper fixing plate (210) are rotatably connected with the top surface of a corresponding cross beam (110), two ends of the lower fixing plate (220) are rotatably connected with the bottom surface of the corresponding cross beam (110), a first slotted hole (211) is formed in the top surface of the upper fixing plate (210), the upper fixing plate (210) and the lower fixing plate (220) are identical in structure, a feeding box (230) is fixedly connected between the first slotted hole (211) of the upper fixing plate (210) and the first slotted hole (211) of the lower fixing plate (220), a lower hopper (240) is fixedly connected to the top surface of the upper fixing plate (210), the bottom end of the lower hopper (240) is communicated with the top end of the feeding box (230), a placing cavity (232) is formed in the feeding box (230), and a first round rod (234) is rotatably connected to the inner wall of the placing cavity (232), the outer side wall of the first round rod (234) is rotatably connected with a feeding wheel (231), the outer side wall of the feeding wheel (231) is in sliding connection with the annular inner side wall of the placing cavity (232), a material collecting groove (233) is formed in the annular outer side wall of the feeding wheel (231), one end of the first round rod (234) penetrates through the feeding box (230) and extends to the outer side of the feeding box (230), one end of the first round rod (234) is fixedly connected with a first belt wheel (236) in a sleeved mode, the bottom surface of the lower fixing plate (220) is fixedly connected with a supporting rod (250), the bottom end of the supporting rod (250) is rotatably connected with a second round rod (252), one end of the second round rod (252) is sequentially sleeved and connected with a second belt wheel (253) and a travelling wheel (251), a belt is connected between the first belt wheel (236) and the second belt wheel (253) in a transmission way, one end of the traction rod (120) is fixedly connected with two fixing mechanisms (300) for fixing the inclination angle of the cross beam (110);

the fixing mechanism (300) comprises a configuration box (310), the outer bottom surface of the configuration box (310) is fixedly connected with the traction rod (120), the inner bottom surface of the configuration box (310) is rotatably connected with a round rod III (330), the outer wall of the round rod III (330) is fixedly sleeved with a ratchet wheel (320), the outer wall of one side of the configuration box (310) is provided with a slotted hole II (311), one side, located on the ratchet wheel (320), of the inner bottom surface of the configuration box (310) is rotatably connected with a limiting rod (313), a reset spring (314) is fixedly connected between one end of the limiting rod (313) and the inner side wall of the configuration box (310), the other end of the limiting rod (313) penetrates through the slotted hole II (311) and extends to the outer side of the configuration box (310), a sliding block (312) is slidably connected between the inner side walls of the two sides of the slotted hole II (311), the top end of the round rod III (330) penetrates through the configuration box (310) and extends to the outer side of the configuration box (310), and a reel (340) is fixedly sleeved on the annular outer side wall at the top end of the round rod III (330).

2. The sowing machine capable of adjusting the seed sowing distance according to claim 1, wherein both ends of the bottom surface of the lower fixing plate (220) are fixedly connected with fixing frames (260), the bottom end of the fixing frame (260) close to one end of the traction rod (120) is fixedly connected with a soil breaking shovel (261), and the bottom end of the other fixing frame (260) is fixedly connected with a soil covering shovel (262).

3. The sowing machine with adjustable seed sowing distance according to claim 1, wherein rubber poking pieces (237) are fixedly connected to the placing cavity (232) at two sides above the feeding wheel (231).

4. The sowing machine capable of adjusting the seed sowing distance according to claim 1, wherein one end of the top surface of the connecting rod (130) close to the traction rod (120) is fixedly connected with a fixing lug (131), the two fixing lugs (131) correspond to the two reels (340) in a one-to-one mode, and a cable is fixedly connected between the fixing lug (131) and the corresponding reel (340).

5. The sowing machine capable of adjusting the seed sowing distance according to claim 1, wherein a hexagonal groove (341) is formed in the center of the top end of the reel (340).

6. The sowing machine with adjustable seed sowing spacing according to claim 1, wherein a discharge pipe (235) is fixedly communicated with the bottom end of the placing cavity (232).

7. The seed sowing machine with adjustable seed sowing spacing according to claim 1, wherein a hand wheel is attached to the top end of the threaded rod (140).