阅读说明：本技术 一种爬齿除草机 (Climb tooth weeder ) 是由 董翔宇 祖泓舟 郝巨勇 孟宪涛 骆伟寒 樊琦 王军 高艳龙 林庆新 于 2021-07-19 设计创作，主要内容包括：本发明提供一种爬齿除草机,涉及食品加工设备技术领域,包括机架、循环转动机构和捞刮机构,机架适于设置在清洗槽上方,循环转动机构的第一转辊和第二转辊相互平行且间隔设置在机架的底部,循环转动机构的循环转动件套设在第一转辊和第二转辊上,循环转动机构的驱动件与第一转辊和/或第二转辊驱动连接,捞刮机构的钩爬组件与循环转动件活动连接,当钩爬组件随循环转动件转动至机架的底部时,钩爬组件远离循环转动件的部分适于伸入清洗槽内钩挂杂物。本发明中的爬齿除草机不仅能够替代人工进行筛选作业,降低工人劳动强度,节省成本,并且还可以连续作业,提高生产效率。(The invention provides a tooth-climbing weeding machine, which relates to the technical field of food processing equipment and comprises a rack, a circulating rotating mechanism and a scraping mechanism, wherein the rack is suitable for being arranged above a cleaning tank, a first rotating roller and a second rotating roller of the circulating rotating mechanism are parallel to each other and are arranged at the bottom of the rack at intervals, a circulating rotating member of the circulating rotating mechanism is sleeved on the first rotating roller and the second rotating roller, a driving member of the circulating rotating mechanism is in driving connection with the first rotating roller and/or the second rotating roller, a hook climbing assembly of the scraping mechanism is movably connected with the circulating rotating member, and when the hook climbing assembly rotates to the bottom of the rack along with the circulating rotating member, the part of the hook climbing assembly, which is far away from the circulating rotating member, is suitable for stretching into the cleaning tank to hook sundries. The tooth-climbing weeding machine disclosed by the invention can replace manual work to carry out screening operation, reduce the labor intensity of workers and save the cost, and can also carry out continuous operation, so that the production efficiency is improved.)

1. A tooth-climbing weeding machine, characterized by comprising:

a frame (1), wherein the frame (1) is suitable for being arranged above the cleaning tank (100);

the circulating rotating mechanism (2), the circulating rotating mechanism (2) comprises a first rotating roller (21), a second rotating roller (22), a circulating rotating part (23) and a driving part (24), the first rotating roller (21) and the second rotating roller (22) are parallel to each other and are arranged at the bottom of the rack (1) at intervals, the circulating rotating part (23) is sleeved on the first rotating roller (21) and the second rotating roller (22), and the driving part (24) is in driving connection with the first rotating roller (21) and/or the second rotating roller (22);

drag for and scrape mechanism (3), drag for and scrape mechanism (3) and climb subassembly (31) including the hook, the hook climb subassembly (31) with the circulation rotates piece (23) swing joint, works as the hook climbs subassembly (31) and follows the circulation rotates piece (23) and rotates extremely during the bottom of frame (1), the hook climbs subassembly (31) and keeps away from the part that the circulation rotated piece (23) is suitable for stretching into hook in washing tank (100) hangs debris.

2. The tooth-climbing weeding machine according to claim 1, wherein the circulating rotation mechanism (2) further comprises a third roller (25), the third roller (25) is arranged on the top of the frame (1) and is parallel to the first roller (21) and the second roller (22), and the circulating rotation member (23) is sleeved on the third roller (25).

3. The climbing tooth weeder according to claim 2, characterized in that on a plane perpendicular to the width direction of the frame (1), an included angle between a line connecting the center point of the first rotating roller (21) to the center point of the second rotating roller (22) and a line connecting the center point of the first rotating roller (21) to the center point of the third rotating roller (25) is an obtuse angle.

4. The climbing tooth weeder according to any one of claims 1 to 3, characterized in that the hook creeper assembly (31) is provided with a plurality of sets of hook creeper assemblies (31) arranged at intervals in the circumferential direction of the endless rotating member (23).

5. The climbing tooth weeder according to claim 4, characterized in that the hook crawling assembly (31) comprises a fixed shaft (311) and a strip crawling tooth (312), the fixed shaft (311) is arranged on the circulating rotating member (23) along the width direction of the rack (1), one end of the strip crawling tooth (312) is movably connected with the fixed shaft (311), a sawtooth structure (3121) is arranged on one side end face of the strip crawling tooth (312), and the sawtooth structure (3121) is suitable for extending into the cleaning tank (100) to hook sundries.

6. The climbing tooth weeder according to claim 5, wherein the plurality of the climbing teeth (312) are provided, and the plurality of the climbing teeth (312) are arranged at intervals in the width direction of the frame (1).

7. The climbing tooth weeder according to claim 5, characterized in that the spacing between adjacent hook climbing assemblies (31) is greater than the length of the strip-shaped climbing tooth (312).

8. The tooth-climbing weeding machine according to any one of claims 1 to 3, wherein the scraping mechanism (3) further comprises a grass discharging roller (32), the grass discharging roller (32) is arranged on the frame (1), and when the rotating and circulating component (23) drives the hook climbing component (31) to rotate, the grass discharging roller (32) is suitable for abutting against the part of the hook climbing component (31) far away from the rotating and circulating component (23).

9. The climbing tooth weeder of claim 8, wherein the grass discharging roller (32) is provided in plurality, and the grass discharging rollers (32) are arranged in a staggered manner.

10. The tooth-climbing weeding machine according to claim 2 or 3, wherein the circulating rotary mechanism (2) further includes an idler (26), the idler (26) being provided on the frame (1) between the second rotary roller (22) and the third rotary roller (25), the idler (26) being adapted to jack the circulating rotary member (23).

Technical Field

The invention relates to the technical field of food processing equipment, in particular to a climbing tooth weeding machine.

Background

In the food production and processing industry, raw materials such as potatoes, sweet potatoes or corns for producing powdery foods such as starch and the like are usually mixed with a large amount of impurities such as rhizomes, residual leaves or weeds and silt, and if the impurities and the silt in the raw materials are not removed, the quality of the product is influenced.

In the prior art, raw materials such as potatoes, sweet potatoes and corns are usually put into a cleaning water tank for cleaning and screening, silt is automatically deposited at the bottom of the tank, workers salvage impurities such as rhizomes, residual leaves or weeds in the raw materials in the cleaning process, the cleaned and screened raw materials are conveyed into an extrusion device through a conveyor belt for crushing and extrusion to form a slurry mixture, and then subsequent treatment is carried out.

The labor intensity of the manual screening operation mode is high, workers are easy to fatigue, the production efficiency is low due to the influence of factors such as the operation proficiency and the working attitude of the workers, and the enterprise development is also influenced by the problems of difficulty in recruitment caused by the increase of the labor cost and the like.

Disclosure of Invention

The invention solves the problem of how to improve the screening efficiency of impurities in powdery food raw materials such as starch and the like.

In order to solve the above problems, the present invention provides a tooth-climbing weeding machine, comprising:

a rack adapted to be disposed above the cleaning tank;

the circulating rotating mechanism comprises a first rotating roller, a second rotating roller, a circulating rotating part and a driving part, the first rotating roller and the second rotating roller are parallel to each other and are arranged at the bottom of the rack at intervals, the circulating rotating part is sleeved on the first rotating roller and the second rotating roller, and the driving part is in driving connection with the first rotating roller and/or the second rotating roller;

drag for and scrape the mechanism, drag for and scrape the mechanism and climb the subassembly including the hook, the hook climb the subassembly with the rotation piece swing joint circulates, works as the hook climbs the subassembly and follows the rotation piece that circulates rotates extremely during the bottom of frame, the hook climbs the subassembly and keeps away from the part that the rotation piece that circulates is suitable for stretching into hook debris in the washing tank.

Optionally, the circulating rotation mechanism further comprises a third rotating roller, the third rotating roller is arranged at the top of the rack and is parallel to the first rotating roller and the second rotating roller, and the circulating rotation member is sleeved on the third rotating roller.

Optionally, on a plane perpendicular to the width direction of the rack, an included angle between a connection line from the center point of the first rotating roller to the center point of the second rotating roller and a connection line from the center point of the first rotating roller to the center point of the third rotating roller is an obtuse angle.

Optionally, the hook climbing assembly is provided with a plurality of sets, the plurality of sets of hook climbing assemblies are arranged along the circumferential interval of the circulating rotation member.

Optionally, the hook climb subassembly includes that the fixed axle climbs the tooth with the strip, the fixed axle is followed the width direction of frame sets up the circulation rotates on the piece, the strip climb the tooth one end with fixed axle swing joint, the strip is climbed and is equipped with the sawtooth structure on the terminal surface of one side of tooth, the sawtooth structure is suitable for stretching into the washing tank interior hook is hung debris.

Optionally, the strip-shaped climbing teeth are provided in a plurality, and the strip-shaped climbing teeth are arranged at intervals in the width direction of the rack.

Optionally, the distance between the adjacent hooking and climbing assemblies is larger than the length of the strip-shaped climbing tooth.

Optionally, drag for scraping the mechanism and still include and unload the grass roller, it sets up to unload the grass roller in the frame, when the rotation piece drives the hook climbs the subassembly and rotates, unload the grass roller be suitable for with the hook climbs the subassembly and keeps away from the part butt that the rotation piece circulates.

Optionally, the grass discharging roller is provided with a plurality of grass discharging rollers which are arranged in a staggered manner.

Optionally, the circulating rotation mechanism further comprises a carrier roller, the carrier roller is arranged on the frame and located between the second rotating roller and the third rotating roller, and the carrier roller is suitable for jacking the circulating rotation member.

Compared with the prior art, the invention has the following beneficial effects:

through setting up the frame in the washing tank top, circulation slewing mechanism's first commentaries on classics roller and second commentaries on classics roller are parallel to each other and the interval sets up the bottom in the frame, circulation rotates the piece cover and establishes on first commentaries on classics roller and second commentaries on classics roller, the driving piece is connected with first commentaries on classics roller and/or second commentaries on classics roller drive, the hook of dragging and scraping the mechanism climbs the subassembly and rotates a swing joint with circulation, when the hook climbs the subassembly and rotates the bottom to the frame along with circulation, the hook climbs the subassembly and keeps away from circulation rotation part and is suitable for stretching into the washing tank in to hang debris, with the rhizome in the food raw and other materials in the washing tank, impurity such as incomplete leaf or weeds clears up out, not only can replace the manual work and carry out the screening operation, reduce workman intensity of labour, save the cost, and can also continuous operation, and improve production efficiency.

Drawings

FIG. 1 is a schematic view of a tooth-climbing weeding machine and a cleaning tank according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of another perspective of the climbing-tooth weeding machine according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of the climbing-tooth weeding machine and the cleaning tank in another state according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a strip-shaped climbing tooth according to an embodiment of the present invention.

Description of reference numerals: 1-a frame, 2-a circulating rotation mechanism, 21-a first rotating roller, 22-a second rotating roller, 23-a circulating rotation member, 24-a driving member, 25-a third rotating roller, 26-a carrier roller, 3-a scraping mechanism, 31-a hooking and climbing assembly, 311-a fixed shaft, 312-a strip-shaped climbing tooth, 3121-a sawtooth structure, 32-a grass discharging roller and 100-a cleaning tank.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the forward direction of "X" in the drawings represents the front, and correspondingly, the reverse direction of "X" represents the rear; the forward direction of "Y" represents the left direction, and correspondingly, the reverse direction of "Y" represents the right direction; the forward direction of "Z" represents the upward direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the directions or positional relationships indicated by the terms "X", "Y", "Z", etc. are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular direction, be constructed and operated in a particular direction, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

An embodiment of the present invention provides a tooth-climbing weeding machine, including: a frame 1, wherein the frame 1 is suitable for being arranged above the cleaning tank 100; the circulating rotating mechanism 2, the circulating rotating mechanism 2 includes the first changes the roller 21, the second changes the roller 22, circulates and rotates 23 and driving part 24, the first changes the roller 21 and the second changes the roller 22 and is parallel to each other and set up in the bottom of the stander 1 at intervals, circulate and rotate 23 and set up on the first changes the roller 21 and the second changes the roller 22, the driving part 24 and first changes the roller 21 and/or the second changes the roller 22 to drive and connect; drag for and scrape mechanism 3, drag for and scrape mechanism 3 and climb subassembly 31 including the hook, the hook climbs subassembly 31 and rotates 23 swing joint with the circulation, climbs the subassembly 31 when the hook rotates the bottom that 23 rotated to frame 1 along with the circulation, the hook climbs the part that subassembly 31 kept away from circulation and rotates 23 and is suitable for stretching into washing tank 100 internal hook and hang debris.

As shown in fig. 1, 2 and 3, the frame 1 may be a frame-type support or a vertical plate-type support, the cross-sectional shapes of the first roller 21 and the second roller 22 may be triangular, rectangular, polygonal, circular or a combination thereof, the circulating rotation member 23 may be a transmission belt, a closed transmission device composed of a chain and a chain connecting shaft or a closed transmission device with other structural forms, the driving member 24 may be a motor with various forms such as an ac or dc motor, one or more driving members 24 may be provided, and the driving member 24 may be in driving connection with the first roller 21 and/or the second roller 22 through a gear or a transmission belt, or may be in direct connection with the first roller 21 and/or the second roller 22 to drive the same; the hook climbing component 31 and the circulating rotation component 23 can be connected through a pin shaft, a hinge or other movable connecting pieces, and the part of the hook climbing component 31 far away from the circulating rotation component 23 can be provided with structures in the forms of hook claws, rake teeth or wolf tooth bars and the like and extend into the cleaning tank 100 to hook sundries.

In this embodiment, frame 1 adopts frame rack, frame rack simple structure, the consumptive material is few, and is economical and practical, can save the cost, frame rack comprises bottom longeron, top longeron, oblique longeron, crossbeam and stand isotructure, the whole right angled triangle that is of the cross-sectional shape of its first half, the whole right trapezoid that is of the cross-sectional shape of its latter half, frame rack sets up in washing tank 100 top, two bottom longerons support the top of two lateral walls about washing tank 100 about frame rack.

The position near the back and the position near the front end in the middle of the bottom longitudinal beam of the frame support are both provided with a roller mounting seat, a first roller 21 and a second roller 22 are respectively mounted at the position near the back and the position near the front end in the middle of the bottom longitudinal beam of the frame support along the width direction of the frame 1, a circulating rotation piece 23 adopts a closed conveying device consisting of a chain and a chain connecting shaft, the closed conveying device consists of a plurality of chain connecting shafts and two pairs of chains with equal circumferences, exemplarily, the row number of the chains is 24A, the pitch is 38.1mm, the teeth of a chain wheel 22 have the diameter of a connecting circle of 267.7 mm. The chain connecting shafts are arranged between the two secondary chains and are parallel to the first rotating shaft 21 and the second rotating shaft 22, two ends of each chain connecting shaft are respectively connected with two corresponding connecting points on the two secondary chains, the first rotating roller 21 and the second rotating roller 22 both adopt structures with circular cross sections, the surface friction of the structures with circular cross sections is small, the rotation is more convenient, the left end and the right end of the first rotating roller 21 and the second rotating roller 22 are both provided with gear tooth structures, the chains of the circulating rotating part 23 are respectively meshed with the gear tooth structures on the first rotating roller 21 and the second rotating roller 22, the connection mode of the gear tooth structures meshed with the chains is not easy to separate and slip, so that the transmission efficiency of the circulating rotating part 23 and the first rotating roller 21 and the second rotating roller 22 is higher, exemplarily, the driving part 24 adopts a speed reducing motor with the speed ratio of 71 and the power of 2.2kW, the speed reducing motor is arranged on the right side of the position, close to the, and is in driving connection with the second rotating roller 22 through a transmission gear and a transmission chain, the connection mode of the transmission gear and the transmission chain is more reliable, and the transmission efficiency is higher.

Be equipped with a plurality of connecting seats on the chain of circulation rotation piece 23, be equipped with the round pin shaft hole on the connecting seat, the fixed axle 311 left and right sides both ends that the hook climbed subassembly 31 pass the round pin shaft hole and the circulation rotation piece 23 swing joint of connecting seat that set up on the left and right sides chain respectively, the hook climbs subassembly 31 and keeps away from and is equipped with the structure that can carry out the hook to debris, climb when the hook subassembly 31 rotates the bottom to frame 1 along with circulation rotation piece 23, the hook climbs subassembly 31 and is vertical state under the effect of gravity, can be with the rhizome of floating in aqueous in the washing tank 100 is stretched into to its lower part, impurity hooks such as incomplete leaf or weeds are lived, and clear up out in the washing tank 100 under the drive of circulation rotation piece 23.

As shown in fig. 1 and 2, the width direction of the gantry 1 is the Y-axis direction.

Like this, through setting up frame 1 in washing tank 100 top, the first commentaries on classics roller 21 and the second commentaries on classics roller 22 of circulating rotation mechanism 2 are parallel to each other and the interval sets up in the bottom of frame 1, circulating rotation piece 23 cover is established on first commentaries on classics roller 21 and the second commentaries on classics roller 22, driving piece 24 is connected with first commentaries on classics roller 21 and/or the drive of second commentaries on classics roller 22, drag for the hook of scraping mechanism 3 and climb subassembly 31 and circulating rotation piece 23 swing joint, when the hook climbs subassembly 31 and rotates to the bottom of frame 1 along with circulating rotation piece 23, the part that the hook climbs subassembly 31 and keeps away from circulating rotation piece 23 is suitable for stretching into in washing tank 100 and hangs debris, clear up impurity such as rhizome, incomplete leaf or weeds in the food raw and other materials in washing tank 100, not only can replace the manual work to carry out screening operation, reduce workman intensity of labour, save the cost, and also can continuous operation, improve production efficiency.

Optionally, the circulating rotation mechanism 2 further includes a third roller 25, the third roller 25 is disposed on the top of the frame 1 and is parallel to the first roller 21 and the second roller 22, and the circulating rotation member 23 is sleeved on the third roller 25.

As shown in fig. 1, 2 and 3, the cross-sectional shape of the third roller 25 may be a triangle, a rectangle, a polygon, a circle or a combination thereof, and both ends of the third roller 25 may be provided with a gear tooth structure to engage with the chain of the endless rotating member 23 for guidance or may be directly contacted with the chain of the endless rotating member 23 for guidance without providing the gear teeth.

In this embodiment, a roller mounting seat is provided at a position close to the front end of the top longitudinal beam of the frame support, the third roller 25 is installed at a position close to the front end of the top longitudinal beam of the frame support along the width direction of the frame 1, gear teeth structures are provided at two ends of the third roller 25, and the gear teeth structures are engaged with the chain of the circulating rotation member 23 to guide the circulating rotation member 23.

Like this, through the top setting in frame 1 with first commentaries on classics roller 21 and the third commentaries on classics roller 25 that second commentaries on classics roller 22 is parallel to each other, the circulation rotates the piece 23 cover and establishes on third commentaries on classics roller 25 for the top part that the circulation rotated the piece 23 can rise to a take the altitude, conveniently climbs subassembly 31 with the hook that the circulation rotated piece 23 swing joint and overturn under the effect of gravity, thereby abandons impurity such as rhizome, incomplete leaf or weeds that the hook climbs on subassembly 31.

Optionally, on a plane perpendicular to the width direction of the frame 1, an included angle between a connecting line from the center point of the first rotating roller 21 to the center point of the second rotating roller 22 and a connecting line from the center point of the first rotating roller 21 to the center point of the third rotating roller 25 is an obtuse angle.

As shown in fig. 1, 2 and 3, the cross-sectional shape of the frame 1 may be changed according to actual needs, and accordingly, the third rotating roller 25 may be provided at a position above the rear side of the first rotating roller 21, directly above the first rotating roller 21, above a position between the first rotating roller 21 and the second rotating roller 22, directly above the second rotating roller 22, or above the front side of the second rotating roller 22.

In the embodiment, as the frame 1 adopts the frame type support with the front half part of which the whole cross section is in a right triangle shape and the rear half part of which the whole cross section is in a right trapezoid shape, after the hooking and climbing assembly 31 movably connected to the endless rotating member 23 ascends to the third rotating roller 25, when the rotary part is turned over under the action of gravity, in order to prevent impurities such as rootstocks, leaves or weeds hung on the hook climbing assembly 31 from falling on the lower part of the circulating rotary part 23 and the machine frame after being thrown, or falls again into the cleaning bath 100 so that the third rotating roller 25 is disposed above the rear side of the first rotating roller 21, that is, as shown in fig. 1, on a plane (i.e., an XZ plane in fig. 1) perpendicular to the width direction of the frame 1, an included angle α between a line L1 connecting the center point of the first rotating roller 21 to the center point of the second rotating roller 22 and a line L2 connecting the center point of the first rotating roller 21 to the center point of the third rotating roller 25 is an obtuse angle.

In this way, by disposing the third rotating roller 25 above the rear side of the first rotating roller 21, a certain space can be left behind the first rotating roller 21 for the hook climbing assembly 31 to throw in impurities such as rhizomes, residual leaves, or weeds.

Optionally, the hook climbs subassembly 31 and is equipped with the multiunit, the multiunit hook climbs subassembly 31 and rotates the circumference interval setting of piece 23 along the circulation, the hook climbs subassembly 31 and includes that fixed axle 311 and strip climb tooth 312, fixed axle 311 sets up on the piece 23 is rotated in the circulation along the width direction of frame 1, the one end and the fixed axle 311 swing joint of tooth 312 are climbed to the strip, be equipped with sawtooth structure 3121 on the terminal surface of a side of tooth 312 is climbed to the strip, sawtooth structure 3121 is suitable for stretching into the washing tank 100 interior hook and hangs debris, the strip of every group hook climbs subassembly 31 climbs tooth 312 and is equipped with a plurality ofly, in the width direction of frame 1, a plurality of strip is climbed tooth 312 intervals and sets up, interval between the.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the multiple groups of hook climbing assemblies 31 may be disposed at equal intervals along the circumferential direction of the circular rotating member 23, or may be disposed at intervals according to different distances, the strip climbing teeth 312 may be movably connected to the fixed shaft 311 by a pin, a hinge or other connecting members, the multiple strip climbing teeth 312 of each group of hook climbing assemblies 31 may be disposed at equal intervals along the width direction of the rack 1, or may be disposed irregularly, the number of the strip climbing teeth 312 of different groups of hook climbing assemblies 31 may be the same, or may be different, the strip climbing teeth 312 of different groups of hook climbing assemblies 31 may be disposed as a straight line along the length direction of the rack 1, or may be disposed in a staggered manner; the saw tooth structure 3121 may be provided on the front side end surface or the rear side end surface of the bar-shaped tooth-climber 312 according to the rotation direction of the endless rotating member 23, and the tooth grooves of the saw tooth structure 3121 may be provided in a triangular shape, a U shape, an arc shape, or various shapes of combinations thereof.

In this embodiment, the fixing shaft 311 is made of round steel with a circular cross section, a plurality of installation positions with equal intervals are arranged on the round steel, one end of the strip-shaped climbing tooth 312 is provided with an installation hole, the round steel sequentially passes through the installation holes of the strip-shaped climbing teeth 312, the strip-shaped climbing teeth 312 are moved to the corresponding installation positions and are limited, the strip-shaped climbing teeth 312 are prevented from moving along the width direction of the rack 1, thereby completing the assembly of the group of hook climbing assemblies 31, then the two ends of the fixing shaft 311 are respectively connected with the connecting seats arranged on the chain of the circulating rotating member 23, completing the installation of the hook climbing assemblies 31, a plurality of groups of hook climbing assemblies 31 are arranged along the circumferential direction of the circulating rotating member 23 at equal intervals, the number of the strip-shaped climbing teeth 312 of different groups of hook climbing assemblies 31 is the same, and on the same cross section perpendicular to the width direction of the rack 1, the strip-shaped climbing teeth 312 on different groups of hook climbing assemblies 31 are arranged in a straight line along the length direction of the rack 1, when the bar-shaped teeth 312 rotate upward along with the circulating rotation member 23, the chain connecting shaft of the circulating rotation member 23 can hold the bar-shaped teeth 312.

As shown in fig. 1 and 2, the longitudinal direction of the gantry 1 is the X-axis direction.

Since the frame 1 adopts the frame-type support in which the sectional shape of the front half portion is a right triangle as a whole, the sectional shape of the rear half portion is a right trapezoid as a whole, and the circulating rotation member 23 rotates in the counterclockwise direction, the saw tooth structure 3121 of each bar-shaped tooth climbing 312 is disposed on the front end face of the bar-shaped tooth climbing 312, and the tooth groove of the saw tooth structure 3121 is disposed as a U-shaped groove having an arc-shaped inner wall with a slightly upward-inclined opening, so that each saw tooth of the saw tooth structure 3121 is in a hook shape.

Thus, when the strip-shaped climbing teeth 312 are turned to a vertical state under the action of gravity, impurities such as roots, leaves or weeds floating in water can be hooked more easily, the outer wall of the U-shaped groove with the arc-shaped inner wall is smoother, and when the strip-shaped climbing teeth 312 are turned along with the circulating rotating member 23, the hooked impurities such as roots, leaves or weeds can be discarded more easily.

Optionally, the scraping mechanism 3 further includes a grass discharging roller 32, the grass discharging roller 32 is disposed on the frame 1, when the rotating and circulating element 23 drives the hook climbing assembly 31 to rotate, the grass discharging roller 32 is adapted to abut against a portion of the hook climbing assembly 31 away from the rotating and circulating element 23, the grass discharging roller 32 is provided in plurality, and the plurality of grass discharging rollers 32 are arranged in a staggered manner.

As shown in fig. 1, 2 and 3, the cross-sectional shape of the grass discharging roller 32 may be triangular, rectangular, polygonal, circular or a combination thereof, and the grass discharging roller 32 may be fixedly connected with the frame 1 by welding, riveting, bolting, or the like, or may be movably connected with the frame 1 by a hinge or a bearing, or the like.

In this embodiment, frame 1 adopts frame support, the whole right trapezoid's that is of cross sectional shape at frame support rear portion, all be equipped with on frame support's the top longeron rear end and the oblique longeron in rear portion and unload the grass roller bracket on, the up end of unloading the grass roller bracket is equipped with the U-shaped recess, it adopts the round steel that has circular cross section to unload grass roller 32, and set up along frame 1's width direction, the both ends difference joint of round steel is in the U-shaped recess of the left and right sides unloading grass roller bracket, it can freely rotate when climbing tooth 312 butt with the strip to unload grass roller 32, a plurality of height staggered settings that unload grass roller 32, the interval between the adjacent grass roller 32 that unloads can climb the interval between the subassembly 31 and the length of climbing tooth 312 according to adjacent hook, thereby prevent that two sets of hooks from climbing subassembly 31 mutual interference around.

As shown in fig. 1 and 3, the distances between the grass discharging rollers 32 at different positions and the circulating rotation member 23 are different, the strip-shaped creeping teeth 312 can present different inclination angles when being abutted against the grass discharging rollers 32 at different positions in the rotating process, so that the strip-shaped creeping teeth 312 can be delayed to overturn, impurities such as rhizomes, leaves or weeds hooked on the saw tooth structure 3121 can be given more sufficient time to fall off, and the tooth grooves of the saw tooth structure 3121 can be overturned to a downward state, so that the impurities such as the rhizomes, leaves or weeds hooked on the saw tooth structure 3121 can fall off more easily.

Optionally, the circulating rotation mechanism 2 further comprises an idler roller 26, the idler roller 26 is arranged on the frame 1 and is positioned between the second rotating roller 22 and the third rotating roller 25, and the idler roller 26 is suitable for jacking the circulating rotation member 23.

As shown in fig. 1, 2 and 3, the cross-sectional shape of the idler 26 may be a triangle, a rectangle, a polygon, a circle or a combination thereof, the idler 26 may be fixedly connected with the frame 1 by welding, riveting, bolting, or movably connected with the frame 1 by a hinge mount or a bearing, and the center point of the idler 26, the center point of the second rotating roller 22 and the center point of the third rotating roller 25 may or may not be arranged on a straight line.

In this embodiment, the position department that lies in between second commentaries on classics roller 22 and the third commentaries on classics roller 25 on frame rack's the anterior oblique longeron is equipped with the commentaries on classics roller mount pad, bearing roller 26 is installed on the commentaries on classics roller mount pad of this department along the width direction of frame 1, bearing roller 26 adopts the structure that has circular cross section, the structure surface friction that has circular cross section is little, it is more convenient to rotate, both ends all are equipped with the teeth of a cogwheel structure about bearing roller 26, two vice chains about the rotation piece 23 mesh with the teeth of a cogwheel structure at both ends about bearing roller 26 respectively, the teeth of a cogwheel structure is difficult for breaking away from and skidding with the connected mode of chain meshing, make.

Preferably, the roller mounting seat can be arranged into a height-adjustable structure, so that the height of the carrier roller 26 can be adjusted, and the tightness degree of the circulating rotation piece 23 can be adjusted.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.