CN210202442U - A row spacing adjusting device for seeder - Google Patents
A row spacing adjusting device for seeder Download PDFInfo
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- CN210202442U CN210202442U CN201921101774.8U CN201921101774U CN210202442U CN 210202442 U CN210202442 U CN 210202442U CN 201921101774 U CN201921101774 U CN 201921101774U CN 210202442 U CN210202442 U CN 210202442U
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- sliding
- shaft
- row spacing
- adjusting screw
- sliding shaft
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- 238000010899 nucleation Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 241000721671 Ludwigia Species 0.000 claims abstract description 24
- 238000009331 sowing Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005056 compaction Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 241000209094 Oryza Species 0.000 description 11
- 235000007164 Oryza sativa Nutrition 0.000 description 11
- 235000009566 rice Nutrition 0.000 description 11
- 238000003825 pressing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a row spacing adjusting device for a seeder in the technical field of agricultural seeding machinery, comprising a rotatable adjusting screw and a beam fixed on a frame, wherein a slipping mechanism is movably connected on the beam, one backward side of the slipping mechanism is fixedly connected with a plurality of seed boxes, one downward side of the seed boxes is connected with a seed sowing device, the seed sowing device is connected with a rotatable and movable sheave, one outward end of the slipping mechanism is fixedly connected with a supporting component on the beam, a plurality of transmission components are connected on a moving square pipe, one end of the adjusting screw is rotatably connected on the supporting component, the other end of the adjusting screw extends in the outward direction of the other end of the slipping mechanism, the adjusting screw is in transmission connection with the transmission components, the adjusting screw rotates, and the transmission components move horizontally; the utility model discloses can be according to the nimble seeding row spacing of adjusting of agronomy requirement, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of agricultural seeding machinery, in particular to a device for adjusting seeding row spacing.
Background
China is a big agricultural country, and rice is the main grain crop with the largest planting area, the highest yield per unit and the most total yield in China. The mechanical direct dry seeding is the simplest mechanical planting mode in the light rice cultivation technology, saves labor, time and labor, saves a seedling bed, and has high production efficiency. However, the degree of modularization of the rice dry direct seeding machine in China is not high at present, each functional module cannot be flexibly adjusted according to production operation requirements, damaged parts are difficult to replace, corresponding working parameters cannot be flexibly adjusted (even cannot be adjusted) according to agricultural requirements of different rice varieties, workload is increased when the machine is operated, the agricultural and agricultural requirements cannot be conveniently and quickly met, and the rice direct seeding quality and yield are influenced. In order to improve the production efficiency of rice, meet the agricultural requirements of different rice varieties and reduce the labor intensity, a device for adjusting the seeding row spacing is developed, which is an urgent need of direct seeding production of rice.
SUMMERY OF THE UTILITY MODEL
Defect among the prior art, the utility model discloses an aim at solves the technical problem that can't adjust the seeding line spacing among the prior art, the utility model provides a line spacing adjusting device for seeder, the utility model discloses can require nimble seeding line spacing, convenient operation of adjusting according to the agronomy.
The purpose of the utility model is realized like this: the utility model provides a row spacing adjusting device for seeder, includes rotatable adjusting screw and fixes the crossbeam in the frame, movably on the crossbeam be connected with glide machanism, glide machanism towards one side fixedly connected with a plurality of seed case of back, seed case one side down is connected with the seed metering ware, be connected with rotatable and mobilizable sheave on the seed metering ware, fixedly connected with supporting component on the outside crossbeam of glide machanism one end removes square and manages to be connected with a plurality of drive assembly, and adjusting screw's one end is rotationally connected on supporting component, and adjusting screw's the other end extends towards the glide machanism other end in the outside direction, and adjusting screw is connected with the drive assembly transmission, and adjusting screw rotates, drive assembly horizontal migration.
In the utility model, when the seeding row spacing needs to be adjusted, the adjusting screw rod is rotated, the rotating direction of the adjusting screw rod is adjusted, the transmission component moves horizontally in the corresponding direction, the transmission component drives the moving square pipe to move, the moving square pipe drives the seed box to move, and when the seeding row spacing is adjusted to a proper position, the adjusting screw rod stops rotating; the utility model can adjust the seeding row spacing, is convenient to adjust, can adjust the seeding row spacing according to different rice varieties, and meets the agricultural requirements; can be applied to the seeding work, in particular to the rice seeding work.
In order to realize the adjustment of the seeding row spacing, the sliding mechanism comprises a plurality of sliding assemblies, each sliding assembly comprises a moving square pipe which can move along a cross beam, two grooves are respectively formed in two sides, opposite to the cross beam, of the moving square pipe, a plurality of steel balls are installed in the grooves, one end of each groove is communicated with the outside, the moving square pipe at the other end of each groove is closed, and one side, facing outwards, of the moving square pipe at one end of each groove is connected with a steel ball retainer ring; in this design, the setting of steel ball reduces the frictional force when removing square pipe and sliding along the crossbeam.
In order to further realize the adjustment of the sowing row spacing and the sowing amount, the grooved wheel is connected with a hollow fixed shaft, a hollow sliding shaft is connected in the fixed shaft in a sliding way and penetrates through all the fixed shafts, a plurality of driving shafts which correspond to the fixed shafts one by one are connected in the sliding shaft in a sliding way, a plurality of sliding grooves are distributed on the driving shafts, each sliding groove comprises a first limiting part, a first horizontal part and a first inclined part, one end of the first limiting part is contacted with the inner wall of the sliding shaft, the other end of the first limiting part is one end of the first horizontal part, the other end of the first horizontal part is one end of the first inclined part, one end of the first inclined part inclines upwards towards the other end of the first inclined part, a plurality of connecting holes are distributed on the fixed shaft, a plurality of through holes which correspond to the connecting holes one by one are distributed on the sliding shaft, the pin is provided with a first spring, one end of the first spring is abutted against the limiting step, the other end of the first spring is abutted against the lower part of the pin, when the pin is abutted against the first horizontal part, the outward side of the pin does not exceed the outer edge of the sliding shaft, the first spring is in a natural state, when the pin is abutted against the first inclined part, the pin is clamped into the fixed shaft through the connecting hole, each driving shaft respectively penetrates through each grooved wheel, and the first spring is in a compressed state; in the design, the slippage shaft moves to the right for a certain distance to enable the pin to be in contact with the horizontal part, the pin is arranged in a through hole of the slippage shaft, the fixed shaft and the grooved pulley are connected together in an interference fit mode, the grooved pulley and the shell of the seed sowing device can move together through friction force, the adjusting screw is rotated to drive the transmission assembly to move, the transmission assembly drives the corresponding seed box to move, the grooved pulley and the fixed shaft move along with the seed box, when the sowing row spacing is adjusted to a proper position, the slippage shaft moves to the left for a certain distance to enable the pin to abut against the inclined part I, the pin enters the connecting hole, and at the moment, the slippage shaft, the fixed shaft and the grooved pulley are connected together; when the seeding quantity needs to be adjusted, the sliding shaft is adjusted to move left and right to drive the fixed shaft and the grooved pulley to move to a proper distance.
In order to further improve the accuracy of the seeding quantity adjustment, the seeding quantity adjustment device further comprises a linear driver fixed on the rack, the linear driver is connected with a push-pull rod capable of performing reciprocating linear movement in the length direction, a sliding cavity is formed in the push-pull rod, a sliding shaft penetrates through all fixed shafts and then extends outwards, and two moving grooves are distributed on the periphery of the end part of the sliding shaft extending outwards; the moving groove comprises a second limiting part, a second horizontal part and a second inclined part, one end of the second limiting part is flush with the outer edge of the driving shaft, the other end of the second limiting part is connected with one end of the second horizontal part, the other end of the second inclined part is connected with one end of the second inclined part, the other end of the second inclined part is flush with the outer edge of the driving shaft, a protective sleeve with an installation cavity is fixedly connected to the outer side of the push-pull rod, a second spring is connected in the protective sleeve, one end, extending towards the center of the push-pull rod, of the second spring is connected with a pressing block, the push-pull rod can move along the sliding shaft, and when the pressing block abuts against the second; in the design, when the seeding amount needs to be adjusted, the slippage shaft is held by a hand to enable the slippage shaft to be incapable of moving, the linear driver acts to enable the push-pull rod to move leftwards, the push-pull rod slides along the outer edge of the slippage shaft, the second spring is in a compressed state, when the compaction block abuts against the second inclined part, the second spring continues to be in a compressed state, the push-pull rod continues to move leftwards to be in contact with the second horizontal part, the second spring is still in a compressed state, namely the compaction block is always compacted on the slippage shaft, when the compaction block abuts against the second limiting part, the compaction block cannot continue to move leftwards along the slippage shaft, the slippage shaft is loosened by the hand, at the moment, if the push-pull rod continues to move leftwards, the push-pull rod pushes the slippage shaft to move leftwards, and when the agricultural machine operates; if the linear driver moves reversely, the push-pull rod drives the sliding shaft to move rightwards; if the driving shaft is held by a hand to be unmovable, when the linear driver moves reversely, the pressing block leaves the sliding shaft along the second inclined part, and the structure for driving the sliding shaft to move left and right is convenient to disassemble and assemble.
In order to realize the rotation and the movement of the fixed shaft, the sliding shaft and the driving shaft are in a hexagonal prism shape.
In order to further realize the removal of seed case, drive assembly includes the connecting plate, and one side fixed connection that the connecting plate is forward is on removing square pipe, and one side fixed connection that the connecting plate is backward is on seed case, and is relative fixedly connected with transmission cover on the connecting plate, adjusting screw and transmission cover threaded connection.
In order to prevent dust from entering the moving square pipes, a telescopic dustproof sleeve is sleeved between every two adjacent moving square pipes.
In order to facilitate the transmission of power input, an outer chain wheel which facilitates the power input is connected to the sliding shaft extending out of the sliding mechanism.
In order to rotate the adjusting screw rod conveniently, the other end of the adjusting screw rod is provided with a rotating handle.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a view from a-a direction of the present invention.
Fig. 3 is an exploded view of the transmission assembly of the present invention.
Fig. 4 is an exploded view of the middle sliding assembly of the present invention.
Fig. 5 is an exploded view of the middle support assembly of the present invention.
Fig. 6 is an exploded view of the connection structure of the seed sowing device of the present invention.
Fig. 7 is a cross-sectional view of the internal structure of the seed sowing device of the present invention.
Fig. 8 is a partial enlarged view of fig. 1 at B.
Fig. 9 is a partially enlarged view at C in fig. 2.
Fig. 10 is a partial enlarged view of fig. 7 at D.
Fig. 11 is a partial enlarged view at E in fig. 2.
In the figure: 1 a rotating handle, 2 an adjusting screw rod, 3 a seed box, 4 a transmission component, 401 a fastening bolt, 402 a transmission sleeve, 403 a connecting plate, 404 a fastening nut, 5 a dustproof sleeve, 6U-shaped bolts, 7 a sliding component, 701 a fixing bolt, 702 a steel ball retainer ring, 703 a steel ball, 704 a moving square tube, 705 a groove, 8 a seed metering device, 9 a driving shaft, 10 grooved wheels, 11 cross beams, 12 a supporting component, 1201 a supporting bolt, 1202 a second bearing seat, 1203 a second bearing seat, 1204 a cushion block, 1205 a first bearing seat, 1206 a 1207 a supporting block, 1208 a supporting nut, 13 a frame, 14 outer chain wheels, 15 a linear driver, 16 a sliding shaft, 1601 through holes, 1602 a limiting step, 17 a fixing shaft, 1701 a connecting hole, 18 pins, 19 a first spring, 20 a push-pull rod, 2001 a sliding cavity, 21 a moving groove, 2101 a second inclined part, 2102 a second horizontal part, 2103 a second limiting part, 22 a pressing block, 2501 horizontal part one, 2502 spacing part one, 2503 slope part one.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 11, a row spacing adjusting device for a seeding machine comprises a rotatable adjusting screw 2 and a beam 11 fixed on a frame 13, the frame 13 is a part of the seeding machine, a sliding mechanism is movably connected on the beam 11, eight seed cases 3 are fixedly connected on one backward side of the sliding mechanism, a seed metering device 8 is connected on one downward side of the seed cases 3, a rotatable and movable sheave 10 is connected on the seed metering device 8, a supporting component 12 is fixedly connected on the outward beam 11 at one end of the sliding mechanism, eight transmission components 4 are connected on a movable square tube 704, the supporting component 12 comprises a cushion block 1204 and a supporting block 1207 fixedly connected on the beam 11, a bearing block 1206 is fixedly connected on one side of the supporting block 1207 facing the adjusting screw 2, a bearing 1205 is installed on the bearing block 1206, and a cushion block 1204 is arranged on one side of the bearing 1205 far, a second bearing 1203 is arranged on one side, far away from the first bearing 1205, of the cushion block 1204, the second bearing 1203 is installed on a second bearing seat 1202, four supporting bolts 1201 sequentially penetrate through the second bearing seat 1202, a first bearing seat 1206 and a supporting block 1207 respectively, supporting nuts 1208 are screwed on the end portions, extending out of the supporting block 1207, of the supporting bolts 1201, after the supporting nuts 1208 are screwed, the first supporting seat, the second supporting seat and the supporting block 1207 are connected together, one end of an adjusting screw 2 is rotatably connected to the first bearing 1205 and the second bearing 1203, the other end of the adjusting screw 2 extends towards the outward direction of the other end of the sliding mechanism, a rotating handle 1 is arranged at the other end of the adjusting screw 2, and an outer chain wheel 14 convenient for power input is; the transmission assembly 4 comprises a connecting plate 403, one forward side of the connecting plate 403 is fixedly connected to a moving square tube 704, one backward side of the connecting plate 403 is fixedly connected to the seed box 3, a transmission sleeve 402 is fixedly connected to the opposite connecting plate 403, a fastening bolt 401 sequentially penetrates through the transmission sleeve 402 and the connecting plate 403, a fastening nut 404 is screwed on the fastening bolt 401, when the fastening nut 404 is screwed, the transmission sleeve 402 is connected with the connecting plate 403, and the adjusting screw 2 is in threaded connection with the transmission sleeve 402; the four seed boxes 3 on the left are taken as a group of seed box 3 components, the four seed boxes 3 on the right are taken as another group of seed box 3 components, the axial centers of the adjusting screws 2 (as shown in fig. 1, the axial centers are points O) are arranged between the two groups of seed box 3 components, the rotating directions of the adjusting screws 2 on the left and right sides of the points O in the outward direction are opposite, the pitch ratio of the adjusting screw 2 section connected with each seed box 3 in one group of seed box 3 components is 1:3:5:7 when viewed from the right to the left, and the pitch ratio of the adjusting screw 2 section connected with each seed box 3 in the other group of seed box 3 components is 1:3:5:7 when viewed from the left to the right, so that the seed boxes 3 move towards the middle or two sides simultaneously, the distances between the moved seed boxes 3 are still equidistant, and the seeding row distances of the same seed box 3 component are.
In order to realize the adjustment of the seeding row spacing, the sliding mechanism comprises a plurality of sliding components 7, the number of the sliding components 7 is the same as that of the transmission components 4, each sliding component 7 comprises a moving square pipe 704 capable of moving along the cross beam 11, two U-shaped bolts 6 are connected to the moving square pipe 704, the backward ends of the U-shaped bolts 6 are fixedly connected with the seed box 3, two grooves 705 are respectively formed in two sides of the moving square pipe 704, which are arranged relative to the cross beam 11, a plurality of steel balls 703 are installed in the grooves 705, one end of each groove 705 is communicated with the outside, the moving square pipe 704 at the other end of each groove 705 is closed, one outward side of the moving square pipe 704 at one end of each groove 705 is connected with a steel ball retainer ring 702, and the steel ball retainer; a telescopic dustproof sleeve 5 is sleeved between every two adjacent movable square pipes 704.
In order to further realize the adjustment of the sowing row spacing and the sowing amount, a hollow fixing shaft 17 is connected on the grooved pulley 10, a hollow sliding shaft 16 is connected in the fixing shaft 17 in a sliding manner, a driving shaft 9 is connected in the sliding shaft 16 of the section where each fixing shaft 17 is located in a sliding manner, a plurality of sliding grooves 25 are distributed on the driving shaft 9, the sliding shaft 16 penetrates through all the fixing shafts 17, each sliding groove 25 comprises a limiting part 2502, a horizontal part 2501 and an inclined part 2503, one end of the limiting part 2502 is contacted with the inner wall of the sliding shaft 16, the other end of the limiting part 2502 is one end of the horizontal part 2501, the other end of the horizontal part 2501 is one end of the inclined part 2503, one end of the inclined part 2503 inclines upwards towards the other end of the inclined part 2503, a plurality of connecting holes 1701 are distributed on the fixing shaft 17, a plurality of through holes 1601 corresponding to the, a limiting step 1602 is arranged on the sliding shaft 16 corresponding to each through hole 1601, the sliding shaft 16 is connected with a pin 18 capable of moving along the radial direction of the through hole 1601 through the through hole 1601, a first spring 19 is mounted on the pin 18, one end of the first spring 19 abuts against the limiting step 1602, the other end of the first spring 19 abuts against the lower portion of the pin 18, when the pin 18 abuts against the horizontal portion 2501, the outward side of the pin 18 does not exceed the outer edge of the sliding shaft 16, the first spring 19 is in a natural state, when the pin 18 abuts against the inclined portion 2503, the pin 18 is clamped into the fixed shaft 17 through a connecting hole 1701, each driving shaft 9 penetrates through each geneva gear 10, and the first spring 19 is in a compressed state; the fixed shaft 17, the slip shaft 16 and the drive shaft 9 are all in a hexagonal prism shape.
In order to further improve the precision of the sowing amount adjustment, the seeder further comprises a linear actuator 15 fixed on the frame 13, the linear actuator 15 is preferably a linear motor, the linear actuator 15 is connected with a push-pull rod 20 capable of performing reciprocating linear movement in the length direction, the push-pull rod 20 is provided with a sliding cavity 2001, the sliding shaft 16 penetrates through all fixed shafts 17 and then extends outwards, two moving grooves 21 are distributed on the periphery of the outwards extending end part of the sliding shaft 16, the moving grooves 21 are symmetrically arranged about the radial center of the sliding shaft 16, each moving groove 21 comprises a second limiting part 2103, a second horizontal part 2102 and a first inclined part 2101, one end of the second limiting part 2103 is flush with the outer edge of the driving shaft 9, the other end of the limiting part is connected with one end of the second horizontal part 2102, the other end of the second horizontal part 2102 is connected with one end of the first inclined part 2101, the other end of the first inclined part 2101 is flush with the outer edge of the, a second spring 23 is connected in the protective sleeve 24, one end of the second spring 23 extending towards the center of the push-pull rod 20 is connected with a hold-down block 22, the push-pull rod 20 can move along the sliding shaft 16, and when the hold-down block 22 abuts against the second limit portion 2103, one side of the hold-down block 22, which is arranged opposite to the sliding shaft 16, just abuts against the second horizontal portion 2102 and the first inclined portion 2101.
The utility model discloses in, the method that uses row spacing adjusting device to adjust seeding row spacing and seeding volume is specific does, including following step: when the seeding row spacing needs to be adjusted, the driving shaft 9 moves to the right for a certain distance to enable the pin 18 to contact with the horizontal part 2501, the pin 18 is arranged in the through hole 1601 of the sliding shaft 16, the fixed shaft 17 and the grooved pulley 10 are connected together in an interference fit manner, the grooved pulley 10 and the shell of the seeding apparatus 8 can move together through friction, the handle 1 is rotated, the adjusting screw 2 drives the transmission sleeve 402 to move, the transmission sleeve 402 drives the corresponding seed box 3 and the moving square pipe 704 to move, the dustproof sleeve 5 extends outwards or retracts backwards, the grooved pulley 10 and the fixed shaft 17 move along with the seed box 3, when the sowing row spacing is adjusted to a proper position, the driving shaft 9 is moved to the left for a certain distance, the pin 18 is abutted against the first inclined part 2503, the pin 18 enters the connecting hole 1701, and the driving shaft 9, the sliding shaft 16, the fixed shaft 17 and the grooved pulley 10 are connected together to realize the fixation of the driving shaft 9 and the sliding shaft 16; when the seeding amount needs to be adjusted, the sliding shaft 16 is held by a hand, the sliding shaft 16 cannot move, the linear driver 15 moves to enable the push-pull rod 20 to move leftwards, the push-pull rod 20 slides along the outer edge of the sliding shaft 16, the second spring 23 is in a compressed state, when the pressing block 22 abuts against the first inclined part 2101, the second spring 23 continues to be in a compressed state, when the push-pull rod 20 continues to move leftwards to contact with the second horizontal part 2102, the second spring 23 is still in a compressed state, namely the pressing block 22 is always pressed on the sliding shaft 16, when the pressing block 22 abuts against the second limiting part 2103, the pressing block 22 cannot continue to move leftwards along the sliding shaft 16, the sliding shaft 16 is loosened by the hand, at the moment, if the push-pull rod 20 continues to move leftwards, the push-pull rod 20 pushes the sliding shaft 16 to move leftwards, when the agricultural machinery works, the linear driver 15 does not do any action; if the linear driver 15 moves reversely, the push-pull rod 20 drives the sliding shaft 16 to move right; if the driving shaft 9 is held by a hand so as not to move, when the linear driver 15 moves reversely, the pressing block 22 leaves the sliding shaft 16 along the first inclined part 2101, the structure for driving the sliding shaft 16 to move left and right is convenient to assemble and disassemble, and the sliding shaft 16 is adjusted to move left and right to drive the fixed shaft 17 and the grooved pulley 10 to move to a proper distance; after the seeding amount is adjusted, the seeding is prepared, the sliding shaft 16 is held by hands to be unmoved, the linear driver 15 reversely moves, and the push-pull rod 20 is separated from the sliding shaft 16; during sowing, an external driving device drives the outer chain wheel 14 to rotate, the outer chain wheel 14 drives the sliding shaft 16 to rotate, the sliding shaft 16 drives the grooved pulley 10 to rotate, when the grooved pulley 10 rotates, seeds are discharged out of the seed sowing device 8 along the grooved pulley 10 and fall into a seed ditch of a farmland; the utility model discloses in through the fixed axle 17, the axle that slides 16, drive shaft 9 and pin 18 and the joint setting of spring two 23, when conveniently adjusting the seeding row spacing, can realize the regulation of seeding volume again, the cooperation of linear actuator 15 and the axle that slides 16 realizes the accurate regulation of 16 horizontal movement of the axle that slides, the accurate seeding volume of adjusting, after the seeding volume is adjusted, push-and-pull rod 20 can withdraw from the axle that slides 16, do not influence the seed metering work of seed metering ware 8, adjust the seeding row spacing according to different rice varieties, satisfy the agronomy requirement; can be applied to the seeding work.
While particular embodiments of the present invention have been described, it is to be understood that the present invention is not limited to the precise embodiments described above, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. The utility model provides a row spacing adjusting device for seeder which characterized in that: including rotatable adjusting screw and fixing the crossbeam in the frame, movably on the crossbeam be connected with glide machanism, a plurality of seed case of one side fixedly connected with behind glide machanism, seed case one side down is connected with the seed metering ware, be connected with rotatable and mobilizable sheave on the seed metering ware, fixedly connected with supporting component on the outside crossbeam of glide machanism one end is connected with a plurality of drive assembly on the square pipe of removal, and adjusting screw's one end is rotationally connected on supporting component, and adjusting screw's the other end extends in the outside direction of the glide machanism other end, and adjusting screw is connected with the drive assembly transmission, and adjusting screw rotates, drive assembly horizontal migration.
2. A row spacing adjustment device for a sowing machine according to claim 1, wherein: the glide machanism includes the subassembly that slides of a plurality of, the subassembly that slides includes the removal side pipe that can remove along the crossbeam, and seed case of removal side pipe rear side fixedly connected with, the upper and lower both sides that the relative crossbeam of removal side pipe set up and front and back both sides are opened at least one recess respectively, install a plurality of steel ball in the recess, one end and an outside intercommunication of recess, the removal side pipe of the recess other end is sealed, and the outside one side of removal side pipe of recess one end is connected with the steel ball retaining ring.
3. A row spacing adjustment device for a sowing machine according to claim 1, wherein: the grooved pulley is connected with a hollow fixed shaft, the fixed shaft is connected with a hollow sliding shaft in a sliding way, the sliding shaft penetrates through all the fixed shafts, a plurality of driving shafts which correspond to the fixed shafts one by one are connected in the sliding shaft in a sliding way, a plurality of sliding grooves are distributed on the driving shafts, each sliding groove comprises a first limiting part, a first horizontal part and a first inclined part, one end of the first limiting part is contacted with the inner wall of the sliding shaft, the other end of the first limiting part is one end of the first horizontal part, the other end of the first horizontal part is one end of the first inclined part, one end of the first inclined part inclines upwards towards the other end of the first inclined part, a plurality of connecting holes are distributed on the fixed shaft, a plurality of through holes which correspond to the connecting holes one by one are distributed on the sliding shaft, a limiting step is arranged on the, one end of the first spring abuts against the limiting step, the other end of the first spring abuts against the lower portion of the pin, when the pin abuts against the horizontal portion I, one side, facing outwards, of the pin does not exceed the outer edge of the sliding shaft, the first spring is in a natural state, when the pin abuts against the inclined portion I, the pin is clamped into the fixed shaft through the connecting hole, each driving shaft penetrates through each grooved wheel respectively, and the first spring is in a compressed state.
4. A row spacing adjustment device for a seeding machine according to claim 3, wherein: the sliding device also comprises a linear driver fixed on the frame, the linear driver is connected with a push-pull rod capable of performing reciprocating linear movement in the length direction, a sliding cavity is formed in the push-pull rod, the sliding shaft penetrates through all fixed shafts and then extends outwards, two moving grooves are distributed on the periphery of the end part of the sliding shaft extending outwards, each moving groove comprises a second limiting part, a second horizontal part and a second inclined part, one end of the second limiting part is flush with the outer edge of the driving shaft, the other end of the second limiting part is connected with one end of the second horizontal part, the other end of the second horizontal part is connected with one end of the second inclined part, the other end of the second inclined part is flush with the outer edge of the driving shaft, a protective sleeve with an installation cavity is fixedly connected to the outer side of the push-pull rod, a second spring is connected in the protective sleeve, one end of the spring extending towards, one side of the compaction block, which is arranged relative to the sliding shaft, just props against the second horizontal part and the second inclined part.
5. A row spacing adjustment device for a seeding machine according to claim 3, wherein: the fixed shaft, the sliding shaft and the driving shaft are all in a hexagonal prism shape.
6. A row spacing adjustment device for a sowing machine according to claim 1, wherein: the transmission assembly comprises a connecting plate, one forward side of the connecting plate is fixedly connected to the square moving pipe, one backward side of the connecting plate is fixedly connected to the seed box, and the transmission assembly is opposite to the seed box.
7. A row spacing adjustment device for a seeding machine according to claim 2, characterized in that: and a telescopic dustproof sleeve is sleeved between every two adjacent movable square tubes.
8. A row spacing adjustment device for a sowing machine according to any one of claims 1 to 7, wherein: and the sliding shaft extending out of the sliding mechanism is connected with an outer chain wheel convenient for power input.
9. A row spacing adjustment device for a seeding machine according to any one of claims 1 to 6, wherein: and the other end of the adjusting screw rod is provided with a rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101774.8U CN210202442U (en) | 2019-07-15 | 2019-07-15 | A row spacing adjusting device for seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101774.8U CN210202442U (en) | 2019-07-15 | 2019-07-15 | A row spacing adjusting device for seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210202442U true CN210202442U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921101774.8U Expired - Fee Related CN210202442U (en) | 2019-07-15 | 2019-07-15 | A row spacing adjusting device for seeder |
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| Country | Link |
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| CN (1) | CN210202442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393061A (en) * | 2019-07-15 | 2019-11-01 | 安徽农业大学 | A kind of line-spacing regulating device for seeder |
-
2019
- 2019-07-15 CN CN201921101774.8U patent/CN210202442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393061A (en) * | 2019-07-15 | 2019-11-01 | 安徽农业大学 | A kind of line-spacing regulating device for seeder |
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Granted publication date: 20200331 Termination date: 20210715 |