阅读说明：本技术 一种可同时除去横行与纵行内杂草的拔草机 (Weed extractor capable of removing weeds in transverse rows and longitudinal rows simultaneously ) 是由 李嘉欣 廖禺 潘松 陈立才 黄俊宝 王康军 李元堂 敖淑珍 冯浪浪 冯细平 陈梦 于 2020-06-13 设计创作，主要内容包括：一种可同时除去横行与纵行内杂草的拔草机,拔草机由纵向拔草装置和位于纵向拔草装置后侧两部的横向拔草装置组合构成,拔草齿、密封链节、拔草主轴、拔草次轴构成拔草装置,运动的拔草齿上的长齿插入泥土中将杂草拔起,并输送至储草箱,横向拔草装置与纵向拔草装置结构原理相同,拔草机整体由奇数数量的纵、横向拔草组合构成,且奇数位上的一排与位于偶数位上的一排位置前后错开,横向拔草装置通过步进电机实现位移与摆动；其效果是拔草机在作业中可以同时除去横行与纵行间的杂草且不伤害作物；横行间的杂草分别由奇数位上的一排横向拔草装置和偶数位上的一排横向拔草装置进行两次拔草。(A can get rid of the weeding machine of the weeds in horizontal and longitudinal row at the same time, the weeding machine is made up of longitudinal weeding device and horizontal weeding device combination located in two parts of rear side of the longitudinal weeding device, the weeding tooth, sealed chain link, main axis of weeding, secondary axis of weeding make up the weeding device, the long tooth on the mobile weeding tooth inserts the earth and pulls up the weeds, and convey to the grass storage tank, the horizontal weeding device is the same with the structure principle of the longitudinal weeding device, the whole weeding machine is made up of odd number of longitudinal, horizontal weeding combination, and a row on odd number staggers from a row on even number, the horizontal weeding device realizes displacement and swing through the step motor; the weeding machine has the effects that weeds between transverse rows and longitudinal rows can be removed simultaneously during operation of the weeding machine, and crops are not damaged; weeds in the transverse rows are subjected to weeding twice by the row of transverse weeding devices on the odd-numbered positions and the row of transverse weeding devices on the even-numbered positions respectively.)

1. A weeding machine capable of removing weeds in transverse rows and longitudinal rows simultaneously comprises weeding teeth, sealing chain links, baffle strips, a longitudinal power motor, a transverse weeding main shaft, a transverse weeding secondary shaft, a transverse rack, a rack fixing sleeve, a transverse gear, a stepping motor, a weeding plate, a conveying trough, a grass storage box and a battery; the weeding teeth comprise weeding plates and stop blocks, each weeding plate comprises two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plates, the edges of one side of the two reinforcing iron plates are aligned with and fixedly connected with the two edges of the toothed large iron plates close to the outer sides, an opening for allowing a sealing chain to pass through is dug in one edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, the other edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, is provided with a plurality of tooth tips, the tooth roots of the long teeth extend to two thirds of the whole toothed large iron plates from the edge where the tooth tips are located towards the middle direction of the toothed large iron plates, and the distance between the tooth roots of two adjacent long teeth is 5-10 mm; two stop blocks are fixed at the joints of two sides of the two reinforcing iron plates and the toothed large iron plate, each stop block consists of a semi-cylinder and a cuboid, a round hole is formed in the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of each stop block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of each stop block, which are perpendicular to the round holes, is flush with the plane of the reinforcing iron plate; the sealing chain link is formed by bending the chain plates outwards and inwards to form bent chain plates with one ends serving as inner chain plates and the other ends serving as outer chain plates, connecting the two bent chain plates at one ends of the inner chain plates symmetrically by using a roller, and covering a sealing cover plate on one vertical surface of the two symmetrical bent chain plates, which is not in contact with the transmission chain wheel; the sealing chain links are connected end to end through shaft pins, the inner diameter of a round hole in the stop block is the same as the inner diameter of a hole penetrating through the shaft pins of the sealing chain links, the weeding teeth are movably connected on the shaft pins connected with the sealing chain links through the round holes and can rotate around the shaft pins, and a plurality of sealing chain links provided with the weeding teeth are connected end to end through the shaft pins to form a complete weeding device; the longitudinal weeding device is obliquely arranged on the rack and is driven by a longitudinal power motor; all the working surfaces of the weeding teeth connected with the sealing chain links face the periphery of the weeding device, semi-circular-arc-shaped retaining strips are arranged in the front and lower positions of the longitudinal weeding secondary shaft, and the outer arc surfaces of the circular-arc-shaped retaining strips are in contact with the stop blocks of the weeding teeth; a cuboid baffle strip is arranged on the inner side of a section for operation on the inclined and upper parts of the longitudinal weeding device, the cuboid baffle strip and the semi-arc baffle strip are connected into a whole, and one of the cuboid surfaces of the cuboid baffle strip is in contact with the symmetrical plane of the weeding plate fixedly connected with the weeding tooth baffle block; the grass removing plate is designed into a strip with a wedge-shaped section, which is formed by fixedly connecting two long arc-shaped plates and a rectangular plate along the length direction of the long arc-shaped plates, a plurality of openings corresponding to the long teeth of the grass removing plate are designed from the crossed edges of the two arc-shaped plates towards the direction of the rectangular plate, and the openings arranged on the grass removing plate must allow the long teeth on the grass removing plate to pass through; the lowest end of the conveying groove is designed to be an opening, and the opening at the lowest end of the conveying groove can enable the weeding teeth to extend out of the conveying groove and can enable the weeding teeth to be inserted into soil to act on the roots of weeds to uproot the weeds; the conveyer trough the top, lean on the rear portion all to be provided with and store up the grass case, store up the grass case top, be close to grass pulling device department and install one and take off the grass board to must make the long tooth that pulls out on the grass tooth be located every and take off within the opening of grass board, characterized by: two symmetrical movable transverse weeding devices are arranged on two sides of the rear part of the longitudinal weeding device, and the structural principle of the transverse weeding devices is the same as that of the longitudinal weeding device; the transverse weeding device is movably connected to the rack through a movable pin and is driven by a transverse power motor; one longitudinal weeding device and two mutually symmetrical movable transverse weeding devices form a group of longitudinal and transverse weeding combinations, and the whole weeding machine is formed by odd number of longitudinal and transverse weeding combinations.

2. A weed extractor for removing weeds in both rows and columns as claimed in claim 1, wherein: the longitudinal and transverse weeding combinations on the odd-numbered positions form a row, the longitudinal and transverse weeding combinations on the even-numbered positions form a row, and the row on the odd-numbered positions and the row on the even-numbered positions are staggered front and back; and positions where the combinations on the even-numbered bits can pass are reserved between the combinations on every two adjacent groups of odd-numbered bits.

3. A weed extractor for removing weeds in both rows and columns as claimed in claim 1, wherein: the base of the weeding machine is provided with a battery which provides power for each motor, and the lower part of the base of the weeding machine is provided with a walking wheel.

4. A weed extractor for removing weeds in both rows and columns as claimed in claim 1, wherein: the displacement frequency and amplitude of each group of transverse weeding devices can be adjusted by a stepping motor.

5. A weed extractor for removing weeds in both rows and columns as claimed in claim 1, wherein: the transverse weeding main shaft is provided with a movable pin to movably connect the transverse weeding device with the rack, the transverse weeding secondary shaft is also provided with a movable pin to movably connect the transverse weeding device with the transverse rack, the periphery of the transverse rack is provided with a rack fixing sleeve, the side part of the transverse rack is provided with a transverse gear, and the transverse gear is arranged on an output shaft of the stepping motor.

Technical Field

The invention belongs to the field of agricultural machinery, particularly relates to intertillage weeding machinery, and particularly relates to a weeding machine capable of removing weeds in transverse rows and longitudinal rows simultaneously.

Background

All crops have transverse rows and longitudinal rows, the existing domestic weed pulling machine can only remove weeds in the transverse rows or weeds in the longitudinal rows independently, and the technical scheme for removing the weeds between the transverse rows and the longitudinal rows is always under investigation.

Disclosure of Invention

In order to realize that the weed extractor can remove weeds between a transverse row and a longitudinal row simultaneously in operation and does not damage crops, the invention provides the weed extractor capable of removing the weeds in the transverse row and the longitudinal row simultaneously, which consists of weed extracting teeth, sealing chain links, baffle strips, a longitudinal power motor, a transverse weed extracting main shaft, a transverse weed extracting secondary shaft, a transverse rack, a rack fixing sleeve, a transverse gear, a stepping motor, a weed removing plate, a conveying trough, a weed storage box and a battery; the weeding teeth comprise weeding plates and stop blocks, each weeding plate comprises two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plates, the edges of one side of the two reinforcing iron plates are aligned with and fixedly connected with the two edges of the toothed large iron plates close to the outer sides, an opening for allowing a sealing chain to pass through is dug in one edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, the other edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, is provided with a plurality of tooth tips, the tooth roots of the long teeth extend to two thirds of the whole toothed large iron plates from the edge where the tooth tips are located towards the middle direction of the toothed large iron plates, and the distance between the tooth roots of two adjacent long teeth is 5-10 mm; two stop blocks are fixed at the joints of two sides of the two reinforcing iron plates and the toothed large iron plate, each stop block consists of a semi-cylinder and a cuboid, a round hole is formed in the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of each stop block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of each stop block, which are perpendicular to the round holes, is flush with the plane of the reinforcing iron plate; the sealing chain link is formed by bending the chain plates outwards and inwards to form bent chain plates with one ends serving as inner chain plates and the other ends serving as outer chain plates, connecting the two bent chain plates at one ends of the inner chain plates symmetrically by using a roller, and covering a sealing cover plate on one vertical surface of the two symmetrical bent chain plates, which is not in contact with the transmission chain wheel; the sealing chain links are connected end to end through shaft pins, the inner diameter of a round hole in the stop block is the same as the inner diameter of the round hole penetrating through the shaft pins of the sealing chain links, the weeding teeth are movably connected to the shaft pins connected with the sealing chain links through the round holes and can rotate around the shaft pins, and the sealing chain links provided with the weeding teeth are connected end to end through the shaft pins to form a pair of complete weeding devices.

The structure principle of the transverse weeding device is the same as that of the longitudinal weeding device; the longitudinal weeding device is obliquely arranged on the rack, and the transverse weeding device is movably connected to the rack through a movable pin; the longitudinal weeding device is driven by a longitudinal power motor, and the transverse weeding device is driven by a transverse power motor; all the working surfaces of the weeding teeth connected with the sealing chain links face the periphery of the weeding device, semi-circular-arc-shaped baffle strips are respectively arranged at the front and lower positions of the longitudinal weeding secondary shaft and the transverse weeding secondary shaft, and the outer arc surfaces of the circular-arc-shaped baffle strips are contacted with the baffle blocks of the weeding teeth; the inner sides of one section of the longitudinal weeding device and the inclined and upper parts of the transverse weeding device, which are used for operation, are provided with cuboid barrier strips, the cuboid barrier strips and the semi-arc barrier strips are connected into a whole, and one of the cuboid barrier strips is in contact with the symmetrical plane of the weeding plate fixedly connected with the weeding tooth stop block.

The transverse weeding main shaft is provided with a movable pin to movably connect the transverse weeding device with the rack, the transverse weeding secondary shaft is also provided with a movable pin to movably connect the transverse weeding device with the transverse rack, the periphery of the transverse rack is provided with a rack fixing sleeve, the side part of the transverse rack is provided with a transverse gear, and the transverse gear is arranged on an output shaft of the stepping motor.

The grass removing plate is designed into a strip with a wedge-shaped section, which is formed by fixedly connecting two long arc-shaped plates and a rectangular plate along the length direction of the long arc-shaped plates, a plurality of openings corresponding to the long teeth of the grass removing plate are designed from the crossed edges of the two arc-shaped plates towards the direction of the rectangular plate, and the openings arranged on the grass removing plate must allow the long teeth on the grass removing plate to pass through; the lowest end of the conveying groove is designed to be an opening, and the opening at the lowest end of the conveying groove can enable the weeding teeth to extend out of the conveying groove and can enable the weeding teeth to be inserted into soil to act on the roots of weeds to uproot the weeds; the uppermost end and the rear part of the conveying groove are provided with grass storage boxes, a grass removing plate is arranged above the grass storage boxes and close to the grass removing device, and long teeth on the grass removing teeth are required to be positioned in an opening of each grass removing plate; thus, weeds on the weeding teeth can fall off through the weeding plate, and the weeds falling off by the weeding plate fall into the grass storage box under the action of gravity and are collected.

A group of longitudinal and transverse weeding combinations are formed by one longitudinal weeding device and two mutually symmetrical movable transverse weeding devices, and the whole weeding machine is formed by odd number of longitudinal and transverse weeding combinations; the whole weeding machine is composed of an odd number of longitudinal and transverse weeding combinations.

The longitudinal and transverse weeding combinations on the odd-numbered positions form a row, the longitudinal and transverse weeding combinations on the even-numbered positions form a row, and the row on the odd-numbered positions and the row on the even-numbered positions are staggered front and back; and positions where the combinations on the even-numbered bits can pass are reserved between the combinations on every two adjacent groups of odd-numbered bits.

When the weeding machine moves forwards, all the longitudinal and transverse weeding combinations move simultaneously; the longitudinal power motor drives the longitudinal weeding device, and the transverse power motor drives the transverse weeding device; when the weeding plate moves to the front and lower positions of the longitudinal weeding minor axis along with the longitudinal weeding device, the outer cambered surface of the semicircular arc-shaped baffle strip is contacted with the baffle block of the weeding teeth, the baffle block of the weeding teeth is acted by the force of the arc-shaped baffle strip, the weeding plate is inserted into soil to pull out weeds with roots, then the baffle block of the weeding teeth is continuously acted by the force of the cuboid baffle strip positioned at the inclined part and the upper part of the longitudinal weeding device, the weeding plate is vertical to the movement direction of the longitudinal weeding device, so the pulled weeds are continuously conveyed by the weeding plate, when the weeding plate moves to the position without the baffle strip along with the weeding device, the weeding plate rotates by taking the shaft pin as the center because of no action of the baffle strip on the baffle block, the weeding plate is not vertical to the movement direction of the weeding device, an included angle smaller than 90 degrees is formed, at the moment, the weeds pulled by the weeding plate can be smoothly separated from the weeding plate and are blocked by the weeding plate, fall into the grass storage box, and meanwhile, the grass pulling device is composed of sealing chain links, so that the situation that silt enters a power transmission surface of the grass pulling device is prevented; the weeding principle of the transverse weeding device is consistent with that of the longitudinal weeding device, and the transverse displacement and the displacement frequency of the transverse weeding device are realized by setting the frequency and the running amplitude of the stepping motor; the stepping motor drives the transverse gear to rotate, and the transverse gear can push the transverse rack to transversely displace so as to drive the transverse weeding device to transversely displace; when the transverse weeding devices extend out to the two sides, weeds between transverse rows are pulled out, and when the transverse weeding devices retract, the weeds bypass crops, so that the function of not damaging the crops is realized; and weeds in the transverse rows are subjected to weeding twice by the row of transverse weeding devices on the odd-numbered positions and the row of transverse weeding devices on the even-numbered positions respectively.

The base of the weeding machine is provided with a battery which provides power for each motor, and the lower part of the base of the weeding machine is provided with a walking wheel which supports the weight of the weeding machine and realizes the functions of walking and turning of the weeding machine.

The beneficial effects of the invention are: the weed pulling machine can simultaneously remove weeds between the transverse rows and the longitudinal rows in operation without damaging crops; weeds in the transverse rows are subjected to weeding twice by the row of transverse weeding devices on the odd-numbered positions and the row of transverse weeding devices on the even-numbered positions respectively.

Drawings

FIG. 1 is a schematic view of a single group of horizontal and vertical weeding devices

FIG. 2 is a side view of FIG. 1

FIG. 3 is a schematic view of a grass-removing plate

FIG. 4 is a schematic view showing the arrangement of the stepping motor and the transverse rack

FIG. 5 is an overall view of the weed extractor

In the figure: 1. the weeding machine comprises weeding teeth, 2 sealing chain links, 3 baffle bars, 4 longitudinal power motors, 5 transverse power motors, 6 transverse weeding main shafts, 7 transverse weeding secondary shafts, 8 transverse racks, 9 rack fixing sleeves, 10 transverse gears, 11 stepping motors, 12 weeding plates, 13 conveying grooves, 14 weed storage boxes and 15 batteries.

Detailed Description

The specific implementation process of the invention is further explained by combining the attached drawings, and the invention consists of weeding teeth 1, sealing chain links 2, baffle strips 3, a longitudinal power motor 4, a transverse power motor 5, a transverse weeding main shaft 6, a transverse weeding secondary shaft 7, a transverse rack 8, a rack fixing sleeve 9, a transverse gear 10, a stepping motor 11, a weeding plate 12, a conveying groove 13, a grass storage box 14 and a battery 15; the weeding teeth 1 comprise weeding plates and stop blocks, each weeding plate comprises two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plates, the edges of one side of the two reinforcing iron plates are aligned to and fixedly connected with the two edges of the toothed large iron plates close to the outer sides, an opening for allowing the sealing chain link 2 to pass through is dug in one edge of the other two edges of the toothed large iron plates which are not connected with the reinforcing iron plates, tooth tips of a plurality of long teeth are designed in the other edge of the other two edges of the toothed large iron plates which are not connected with the reinforcing iron plates, tooth roots of the long teeth extend to two thirds of the whole toothed large iron plates from the edge where the tooth tips are located towards the middle direction of the toothed large iron plates, and the distance between the tooth roots of two adjacent long teeth is 5-10 mm; two stop blocks are fixed at the joints of two sides of the two reinforcing iron plates and the toothed large iron plate, each stop block consists of a semi-cylinder and a cuboid, a round hole is formed in the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of each stop block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of each stop block, which are perpendicular to the round holes, is flush with the plane of the reinforcing iron plate; the sealing chain link 2 is formed by bending the chain plates outwards and inwards to form a bent chain plate with one end serving as an inner chain plate and the other end serving as an outer chain plate, connecting the two bent chain plates at one end of the inner chain plate symmetrically by using a roller, and covering a sealing cover plate on one vertical surface of the two symmetrical bent chain plates, which is not in contact with the transmission chain wheel, so as to form the sealing chain link 2; the sealing chain links 2 are connected end to end through shaft pins, the inner diameter of a round hole in the stop block is the same as the inner diameter of the round hole penetrating through the shaft pins of the sealing chain links 2, the weeding teeth 1 are movably connected on the shaft pins connected with the sealing chain links 2 through the round holes and enable the weeding teeth 1 to rotate around the shaft pins, and the sealing chain links 2 provided with the weeding teeth 1 are connected end to end through the shaft pins to form a pair of complete weeding devices.

The structure principle of the transverse weeding device is the same as that of the longitudinal weeding device; the longitudinal weeding device is obliquely arranged on the rack, and the transverse weeding device is movably connected to the rack through a movable pin; the longitudinal weeding device is driven by a longitudinal power motor 4, and the transverse weeding device is driven by a transverse power motor 5; working surfaces of all the weeding teeth 1 connected with the sealing chain links 2 face the periphery of the weeding device, semi-arc-shaped baffle strips 3 are respectively arranged at the front and lower positions of the longitudinal weeding secondary shaft and the transverse weeding secondary shaft 7, and the outer arc surfaces of the arc-shaped baffle strips 3 are contacted with the stop blocks of the weeding teeth 1; the inner sides of one section of the longitudinal weeding device and the inclined and upper parts of the transverse weeding device, which are used for operation, are provided with cuboid barrier strips, the cuboid barrier strips and the semi-arc barrier strips 3 are connected into a whole, and one of the cuboid barrier strips is in contact with the symmetrical plane of the fixed connection weeding plate of the weeding tooth 1 stop block.

A movable pin is arranged at the transverse weeding main shaft 6 to movably connect the transverse weeding device with the frame, a movable pin is also arranged at the transverse weeding secondary shaft 7 to movably connect the transverse weeding device with the transverse rack 8, a rack fixing sleeve 9 is arranged at the periphery of the transverse rack 8, a transverse gear 10 is designed at the side part of the transverse rack 8, and the transverse gear 10 is arranged on an output shaft of a stepping motor 11.

The grass-removing plate 12 is designed into a strip with wedge-shaped section, which is formed by fixedly connecting two long arc-shaped plates and a rectangular plate along the length direction of the long arc-shaped plates, a plurality of openings corresponding to the long teeth of the grass-removing plate are designed from the crossed edges of the two arc-shaped plates towards the direction of the rectangular plate, and the openings arranged on the grass-removing plate 12 must be capable of allowing the long teeth on the grass-removing plate to pass through; the lowest end of the conveying groove 13 is designed to be an opening, and the opening at the lowest end of the conveying groove 13 can enable the weeding teeth 1 to extend out of the conveying groove 13 and enable the weeding teeth 1 to be inserted into soil to act on the roots of weeds to uproot the weeds; the uppermost end and the rear part of the conveying groove 13 are provided with grass storage boxes 14, a grass removing plate 12 is arranged above the grass storage boxes 14 and close to the grass removing device, and long teeth on the grass removing teeth 1 are required to be positioned in an opening of each grass removing plate 12; thus, the weeds on the weeding teeth 1 can fall off through the weeding plate 12, and the weeds fallen off by the weeding plate 12 fall into the grass storage box 14 under the action of gravity and are collected.

One longitudinal weeding device and two mutually symmetrical movable transverse weeding devices form a group of longitudinal and transverse weeding combinations, and the whole weeding machine is formed by odd number of longitudinal and transverse weeding combinations.

The longitudinal and transverse weeding combinations on the odd-numbered positions form a row, the longitudinal and transverse weeding combinations on the even-numbered positions form a row, and the row on the odd-numbered positions and the row on the even-numbered positions are staggered front and back; and positions where the combinations on the even-numbered bits can pass are reserved between the combinations on every two adjacent groups of odd-numbered bits.

When the weeding machine moves forwards, all the longitudinal and transverse weeding combinations move simultaneously; the longitudinal power motor 4 drives the longitudinal weeding device, and the transverse power motor 5 drives the transverse weeding device; when the weeding plate moves to the front and lower positions of the longitudinal weeding minor axis along with the longitudinal weeding device, the outer cambered surface of the semicircular arc-shaped baffle strip 3 is contacted with the baffle block of the weeding tooth 1, the baffle block of the weeding tooth 1 is acted by the force of the arc-shaped baffle strip 3, the weeding plate is inserted into soil to pull up weeds with roots, then the baffle block of the weeding tooth 1 is continuously acted by the force of the cuboid baffle strip positioned at the inclined part and the upper part of the longitudinal weeding device, the weeding plate is vertical to the movement direction of the longitudinal weeding device, so the pulled weeds are continuously conveyed by the weeding plate, when the weeding plate moves to the position without the baffle strip along with the weeding device, the weeding plate rotates by taking the shaft pin as the center because of no action of the baffle strip on the baffle block, the weeding plate is not vertical to the movement direction of the weeding device, an included angle smaller than 90 degrees is formed, at the moment, the weeds pulled by the weeding plate can be smoothly separated from the weeding plate and are pulled off the weeding plate 12 and fall off the baffle plate, falls into the grass storage box 14, and meanwhile, the grass pulling device is composed of the sealing chain links 2, so that the situation that silt enters the power transmission surface of the grass pulling device is prevented; the weeding principle of the transverse weeding device is consistent with that of the longitudinal weeding device, and the transverse displacement and the frequency of the displacement of the transverse weeding device are realized by setting the frequency and the running amplitude of the stepping motor 11; the stepping motor 11 drives the transverse gear 10 to rotate, and the transverse gear 10 can push the transverse rack 8 to transversely displace, so that the transverse weeding device is driven to transversely displace; when the transverse weeding devices extend out to the two sides, weeds between transverse rows are pulled out, and when the transverse weeding devices retract, the weeds bypass crops, so that the function of not damaging the crops is realized; and weeds in the transverse rows are subjected to weeding twice by the row of transverse weeding devices on the odd-numbered positions and the row of transverse weeding devices on the even-numbered positions respectively.

A battery 15 is arranged on a base of the weeding machine, the battery 15 provides power for each motor, and a traveling wheel is arranged on the lower portion of the base of the weeding machine to support the weight of the weeding machine and realize the traveling and turning functions of the weeding machine.

The embodiment of the present invention is described only by way of one embodiment of the present invention, and is not intended to limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art are within the scope of the appended claims without departing from the design concept of the present invention.