CN112930834B - Seedling clamping and conveying device and equipment for rhizome crops - Google Patents
Seedling clamping and conveying device and equipment for rhizome crops Download PDFInfo
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- CN112930834B CN112930834B CN202110062928.2A CN202110062928A CN112930834B CN 112930834 B CN112930834 B CN 112930834B CN 202110062928 A CN202110062928 A CN 202110062928A CN 112930834 B CN112930834 B CN 112930834B
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 48
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 240000007643 Phytolacca americana Species 0.000 claims 1
- 230000007480 spreading Effects 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 244000273928 Zingiber officinale Species 0.000 description 3
- 235000006886 Zingiber officinale Nutrition 0.000 description 3
- 235000008397 ginger Nutrition 0.000 description 3
- 240000002234 Allium sativum Species 0.000 description 2
- 244000105624 Arachis hypogaea Species 0.000 description 2
- 244000017020 Ipomoea batatas Species 0.000 description 2
- 235000002678 Ipomoea batatas Nutrition 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 235000004611 garlic Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000020232 peanut Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D27/00—Machines with both topping and lifting mechanisms
- A01D27/04—Machines with both topping and lifting mechanisms with moving or rotating tools
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Transplanting Machines (AREA)
Abstract
The utility model discloses a seedling clamping and conveying device and equipment for rhizome crops, wherein the technical scheme is as follows: the seedling conveying device comprises a clamping chain assembly and a chain cover assembly, wherein the clamping chain assembly comprises a left clamping chain and a right clamping chain which are meshed together, a plurality of shifting teeth are distributed on the outer sides of the left clamping chain and the right clamping chain, and the shifting teeth of the left clamping chain and the right clamping chain are arranged in a staggered manner to form a seedling conveying channel; the chain cover assembly comprises a left chain cover assembly arranged at the outer side of the left clamping chain and a right chain cover assembly arranged at the outer side of the right clamping chain, and the right chain cover assembly is provided with a stem seedling guiding mechanism; the left chain cover assembly and the right chain cover assembly are arranged above the frame assembly and form a stem seedling guide channel. The utility model can complete the operations of feeding, clamping, conveying, spreading and the like of the stem seedling of the rhizome crops at one time, and has reliable work and wide application range.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to a seedling clamping and conveying device and equipment for rhizome crops.
Background
The root crops such as beet, peanut, potato, garlic and sweet potato are important economic crops in China, the planting area and the yield are all in the first place in the world, and the leaves, stems and seedlings are important industrial raw materials, vegetables and feeds, so that the method has high nutritive value and wide collection and utilization prospects. The root crops have luxuriant growth of stems and seedlings, are seriously wound in creeping manner and are not easy to separate, and the labor intensity of manually cutting off the stems and the seedlings is high, the cost is high, the efficiency is low, and the normal harvest of the root crops is affected. The clamping and conveying of the seedling of the rhizome crop are important procedures of the combine harvester in field operation, and the performance of the combine harvester directly affects the harvesting efficiency, the cleaning rate and the damage rate. The seedling clamping and conveying device has the functions of guiding the seedling to be cut to the cutting device, righting the lodged seedling in the guiding process, supporting the seedling to ensure smooth cutting during cutting, and simultaneously clamping and conveying the cut seedling to the ground or other collecting devices.
In recent years, there is also a certain research on crop seedling clamping and conveying devices in China. The Chinese patent CN202005148U discloses a sugarcane leaf peeling machine, wherein the clamping and conveying device consists of a tension spring, a guide pressing plate and a clamping roller, the upper end of the guide pressing plate is tensioned by the tension spring to a box body, the pressure of the guide pressing plate can be adjusted by adjusting the tension of the tension spring, and the lower end of the guide pressing plate is provided with more than two component force grooves and is pressed on the clamping roller; the fulcrum of the guide pressing plate is positioned above the feeding port and connected with the box body, and the clamping roller consists of a clamping roller and a plurality of rows of rubber anti-skid bodies which are transversely wavy and wound on the clamping roller. The Chinese patent No. 205196308U discloses a ginger harvester, wherein the clamping device is arranged above the scarifier in a front low and rear high arrangement, the driving wheel is arranged at the lower end of the feeding roller and rotates along with the feeding roller, so that the clamping device is driven to clamp ginger seedlings to move backwards, the linear speed of the clamping device is opposite to the advancing speed of a machine tool and is slightly higher than the working speed, and the ginger seedlings are ensured to be basically kept upright when pulled out.
The inventor finds that the above seedling clamping and conveying devices can complete feeding and clamping work of corresponding crops, but do not deeply study principles and operation parameters of the seedling pulling device, the clamping device and the conveying device, and have great difference with the actual condition of harvesting operation; the problems of complex physiological characteristics and planting modes of the crop stem seedling can not be adapted, and a good solution is not available for the crop to grow luxuriantly and the stem seedling which is severely wound in a creeping manner; the adaptability is weaker, only a design scheme is provided for specific crop stems and seedlings, and the diversity of the physiological conditions of the crop stems and seedlings and the universality of the equipment are not considered.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a seedling clamping and conveying device and equipment for rhizome crops, which can complete the operations of feeding, clamping, conveying, tiling and the like of the rhizome crops at one time, and has reliable work and wide application range.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
in a first aspect, an embodiment of the present utility model provides a seedling clamping and conveying device for rhizome crops, including:
the clamping chain assembly comprises a left clamping chain and a right clamping chain which are meshed together, a plurality of poking teeth are distributed on the outer sides of the left clamping chain and the right clamping chain, and poking teeth of the left clamping chain and the right clamping chain are arranged in a staggered manner to form a stem seedling conveying channel;
the chain cover assembly comprises a left chain cover assembly arranged on the outer side of the left clamping chain and a right chain cover assembly arranged on the outer side of the right clamping chain, and the right chain cover assembly is provided with a stem seedling guide mechanism; the left chain cover assembly and the right chain cover assembly are arranged above the frame assembly and form a stem seedling guide channel.
As a further implementation, the engagement section of the right gripping chain has a greater number of fingers than the engagement section of the left gripping chain.
As a further implementation, the device further comprises a transmission mechanism, wherein the transmission mechanism comprises a front transmission box assembly connected with the left clamping chain and a rear transmission box assembly connected with the right clamping chain.
As a further implementation mode, the front transmission case assembly is connected with the rear transmission case assembly through a middle connecting frame, one side of the middle connecting frame is connected with a support frame assembly, and the support frame assembly is connected with the frame assembly.
As a further implementation manner, the support frame assembly comprises a side support frame, and the side support frame is connected with the middle connecting frame through a tensioning wheel assembly; the tensioning wheel assembly is used for tensioning a roller chain, and the roller chain is connected with the front transmission case assembly and the rear transmission case assembly.
As a further implementation mode, the length of the right chain cover assembly is larger than that of the left chain cover assembly, and the front parts and the middle parts of the left chain cover assembly and the right chain cover assembly are of symmetrical structures.
As a further implementation manner, the right chain cover assembly comprises a right front chain cover, a right middle chain cover I and a right middle chain cover II which are connected to the rear of the right front chain cover, and the right middle chain cover I and the right middle chain cover II are spliced together; the rear of the right middle chain cover I and the rear of the right middle chain cover II are connected with the right rear chain cover I and the right rear chain cover II, and the right rear chain cover II is positioned below the right rear chain cover I.
As a further implementation manner, the left chain cover assembly comprises a left front chain cover, a left middle chain cover I and a left middle chain cover II which are connected to the rear of the left front chain cover, and the left middle chain cover I and the left middle chain cover II are spliced together; the rear of the left middle chain cover I and the rear of the left middle chain cover II are connected with the left rear chain cover I and the left rear chain cover II, and the left rear chain cover II is positioned below the left rear chain cover I.
As a further implementation mode, the stem seedling guiding mechanism comprises an upper seedling guiding plate and a lower seedling guiding plate, wherein the upper seedling guiding plate is arranged above the right chain cover assembly, and the lower seedling guiding plate is arranged below the right chain cover assembly.
In a second aspect, the embodiment of the utility model also provides a seedling clamping and conveying device for rhizome crops, which comprises the conveying device.
The beneficial effects of the embodiment of the utility model are as follows:
(1) One or more embodiments of the utility model comprise a clamping chain assembly, a transmission mechanism, a chain cover assembly and a frame assembly, and can complete the operations of feeding, clamping, conveying, spreading and the like of stem seedlings of root crops at one time.
(2) The clamping chain shifting fingers of one or more embodiments of the utility model are staggered at the middle meshing part of the clamping chain, so that a stem seedling conveying channel can be formed, and for severely wound stem seedlings, the stem seedling conveying channel can be divided into channels to ensure that the stem seedlings are conveyed stably and orderly, and no congestion phenomenon is generated.
(3) In one or more embodiments of the utility model, when the stem seedling is conveyed to the tail end of the clamping channel, the stem seedling which is seriously gathered and entangled can be quickly pulled out by a plurality of fingers on the right clamping chain, so that the clamping chain wheel and the conveying channel are not blocked, and the stem seedling is flatly paved on the rack collecting platform under the guidance of the stem seedling guiding mechanism.
(4) In one or more embodiments of the utility model, the chain cover assembly can effectively prevent the stem seedling from being involved in the clamping chain and the clamping chain wheel, ensure that the transmission part moves smoothly without winding the stem seedling, and the left and right chain cover assemblies are arranged at the positions on the frame assembly to form a stem seedling supporting guide channel, thereby ensuring the smooth conveying of the stem seedling.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a structure in accordance with one or more embodiments of the utility model;
FIG. 2 is a schematic illustration of a clamp chain assembly according to one or more embodiments of the utility model;
FIG. 3 is a schematic illustration of a tensioner assembly structure according to one or more embodiments of the present utility model;
FIG. 4 is a schematic illustration of a transmission mechanism according to one or more embodiments of the utility model;
FIG. 5 is a side view of a transmission according to one or more embodiments of the present utility model;
FIG. 6 is a cross-sectional view of a transmission C-C according to one or more embodiments of the utility model;
FIG. 7 is a schematic illustration of a medium linkage according to one or more embodiments of the present utility model;
FIG. 8 is a cross-sectional view of a transmission D-D according to one or more embodiments of the utility model;
FIG. 9 is a cross-sectional view of a transmission E-E according to one or more embodiments of the utility model;
FIG. 10 is a top view of a chain cover assembly according to one or more embodiments of the present utility model;
FIG. 11 is a right side elevational view of a chain guard assembly according to one or more embodiments of the present utility model;
FIG. 12 is a left side view of the axle of a chain guard assembly in accordance with one or more embodiments of the present utility model;
FIG. 13 is a schematic view of an upper seedling guiding rack according to one or more embodiments of the present utility model;
the chain clamping device comprises a clamping chain assembly, a left clamping chain, a shifting finger, a right clamping chain, a clamping chain wheel assembly, a clamping chain wheel bracket and a clamping chain wheel, wherein the clamping chain assembly, the left clamping chain, the shifting finger, the right clamping chain, the clamping chain wheel assembly and the clamping chain wheel assembly are respectively arranged in sequence, and the clamping chain wheel assembly is arranged in sequence;
2. the drive mechanism, 201, front drive case assembly, 20101, sprocket I, 20102, input shaft I, 20103, bevel gear I, 20104, front drive case cover, 20105, sprocket II, 20106, front drive case body, 20107, output shaft I, 20108, clamping sprocket I, 20109, bevel gear II, 202, middle carrier, 20201, middle carrier plate II, 20203, middle carrier plate III, 20204, middle carrier plate IV, 203, rear drive case assembly, 20301, sprocket III, 20302, input shaft II, 20303, bevel gear III, 20304, rear drive case cover, 20305, side cover, 20306, rear drive case body, 20307, output shaft II, 20308, clamping sprocket II, 20309, IV, 204, support frame assembly, 20401, side support frame, 20402, idler pulley assembly, 20403, lower support frame 20411, frame I, 20412, lower support frame connection plate, 204205, chain;
3. the chain cover assembly 301, left chain cover assembly 30101, left front chain cover 30102, left middle chain cover I, 30103, left middle chain cover II, 30104, left rear chain cover I, 30105, left rear chain cover II, 302, right chain cover assembly 30201, right front chain cover 30202, right middle chain cover I, 30203, right middle chain cover II, 30204, right rear chain cover I, 30205, right rear chain cover II, 303, stem seedling guiding mechanism, 30301, upper seedling guiding bracket, 30302, lower seedling guiding plate, 30311, frame connecting plate II, 30312, seedling guiding frame connecting plate, 30313, upper seedling guiding plate, 304, chain cover bracket assembly, 30401, chain cover bracket I, 30402, chain cover bracket II, 30403, chain cover bracket III, 30404, chain cover bracket IV, 30406, chain cover bracket V, 30406, chain cover bracket VII, VI, and VI cover bracket VIII;
4. and a frame assembly.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in this application, if used, merely denote an upper, lower, left, and right direction consistent with the accompanying drawings, and do not limit the structure, but merely facilitate description of the utility model and simplify description, without indicating or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.
The terms "mounted," "connected," "secured," and the like in this application are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, can be internally connected or interacted with each other, the above terms are understood in the specific meaning of the present utility model according to circumstances, for those of ordinary skill in the art.
Embodiment one:
the embodiment provides a seedling clamping and conveying device for rhizome crops, which is shown in fig. 1 and comprises a clamping chain assembly 1, a transmission mechanism 2, a chain cover assembly 3 and a frame assembly 4, wherein the clamping chain assembly 1 is arranged at the front end of the frame assembly 4, and the transmission mechanism 2 is connected with the clamping chain assembly 1 and is fixed with the frame assembly 4. The clamping chain assembly 1 is obliquely arranged, and the transmission mechanism 2 is arranged at the high end of the clamping chain assembly 1. The clamping chain assembly 1 is arranged inside the chain cover assembly 3, and the chain cover assembly 3 is fixed with the frame assembly 4.
In this embodiment, the running direction of the device in use is taken as the front, the view direction of fig. 1 is taken as the reference, the upper side is taken as the right, and the lower side is taken as the left in fig. 1. The frame assembly 4 is an existing structure, and will not be described here again.
Further, as shown in fig. 2, the clamp chain assembly 1 includes a left clamp chain 101, a right clamp chain 102, and a clamp sprocket assembly 103, the clamp sprocket assemblies 103 are disposed inside the left clamp chain 101 and the right clamp chain 102, the clamp sprocket assembly 103 is used for tensioning the left clamp chain 101 and the right clamp chain 102, and under the tensioning action of the clamp sprocket assembly 103, the left clamp chain 101 and the right clamp chain 102 respectively form a triangle structure.
One of the sides of the left clamp chain 101 and the right clamp chain 102 is engaged (the side is an engagement section), and the two are relatively moved on the same plane. The outer sides of the left clamping chain 101 and the right clamping chain 102 are provided with poking fingers 10101, and the poking fingers 10101 of the left clamping chain and the right clamping chain are distributed in a staggered manner to form a stem seedling conveying channel so as to ensure the stable and orderly conveying of stem seedlings.
One ends of the left clamping chain 101 and the right clamping chain 102 form a V-shaped structure, so that the stem seedling can enter the stem seedling conveying channel. In this embodiment, the pitch of the fingers 10101 is 76mm, and it is understood that in other embodiments, the pitch of the fingers 10101 may be other values.
Further, the engaging sections of the left clamp chain 101 and the right clamp chain 102 have different numbers of fingers 10101, and the engaging section of the right clamp chain 102 has more fingers 10101 than the engaging section of the left clamp chain 101.
In this embodiment, the number of engagement segment fingers 10101 of the right clamp chain 102 is five more than the number of engagement segment fingers 10101 of the left clamp chain 101, i.e., the length is increased by 380mm. When the clamping device clamps the stem seedling and transports the tail end of the clamping chain, the more fingers 10101 of the right clamping chain 102 can rapidly pull the stem seedling to be screwed into the left clamping chain wheel and are flatly laid on the rack collecting platform, so that smooth transportation of the stem seedling and no blockage of the clamping chain wheel and the transportation channel are ensured.
Further, as shown in fig. 3, the clamping sprocket assembly 103 includes a plurality of clamping sprockets 10302, and the clamping sprockets 10302 are mounted on a clamping sprocket support 10301 through bearings; the connecting arm distance L of the clamp sprocket support 10301 is adjustable, enabling effective tensioning of the clamp chain.
The clamping chain wheel at the tail end of the left clamping chain 101 is a clamping chain wheel I20108, and the clamping chain wheel at the tail end of the right clamping chain 102 is a clamping chain wheel II 20308; power is input by the clamping sprocket i 20108 and the clamping sprocket ii 20308 to drive the left and right clamping chains 101, 102 to clamp and transport crop seedling at a speed v.
As shown in fig. 4 and 5, the transmission mechanism 2 includes a front transmission case assembly 201, a middle connecting frame 202, a rear transmission case assembly 203, a support frame assembly 204, and a roller chain 205, wherein the front end of the middle connecting frame 202 is connected with the front transmission case assembly 201, and the rear end is connected with the rear transmission case assembly 203. The support frame assembly 204 is fixedly mounted at the right side and lower connection of the middle connecting frame 202.
Further, as shown in fig. 6, the front gearbox assembly 201 includes a sprocket i 20101, an input shaft i 20102, a bevel gear i 20103, a front gearbox cover 20104, a sprocket ii 20105, a front gearbox body 20106, an output shaft i 20107, a clamping sprocket i 20108 and a bevel gear ii 20109, the sprocket i 20101 is mounted at one end of the input shaft i 20102, and the sprocket ii 20105 is mounted at the other end of the input shaft i 20102.
The input shaft I20102 is provided with a bevel gear I20103, and the bevel gear I20103 is meshed with a bevel gear II 20109; bevel gear I20103 and bevel gear II 20109 are arranged inside the front transmission box 20106, and a front transmission box cover 20104 is arranged on the front transmission box 20106. Bevel gear II 20109 installs in output shaft I20107 one end, and clamping sprocket I20108 is connected to output shaft I20107 other end. The power is input by the chain wheel I20101, is transmitted to the left clamping chain 101 through the bevel gear I20103, the bevel gear II 20109 and the clamping chain wheel I20108, and drives the left clamping chain 101 to work.
Further, as shown in fig. 8, the rear transmission case assembly 203 includes a sprocket iii 20301, an input shaft ii 20302, a bevel gear iii 20303, a rear transmission case cover 20304, a side cover 20305, a rear transmission case body 20306, an output shaft ii 20307, a clamping sprocket ii 20308, and a bevel gear iv 20309, the sprocket iii 20301 is mounted at one end of the input shaft ii 20302, and the bevel gear iii 20303 is mounted at the other end of the input shaft ii 20302; the input shaft II 20302 is provided with a bevel gear III 20303, and the bevel gear III 20303 is meshed with the bevel gear IV 20309. The chain wheel III 20301 is connected with the chain wheel II 20105 through a roller chain 205.
Bevel gears III 20303 and IV 20309 are arranged in a rear transmission case 20306, a rear transmission case cover is arranged on the top of the rear transmission case 20306, and a side cover 20305 is arranged on the side surface of the rear transmission case 20306. The bevel gear IV 20309 is arranged at one end of the output shaft II 20307, and the other end of the output shaft II 20307 is connected with the clamping chain wheel II 20308. Power is input by the chain wheel I20101, and is transmitted to the right clamping chain 102 through the chain wheel II 20105, the chain wheel III 20301, the bevel gear III 20303, the bevel gear IV 20309 and the clamping chain wheel II 20308 to drive the right clamping chain 102 to work.
Further, as shown in fig. 7, the middle connecting frame 202 includes a middle connecting frame plate i 20201, a middle connecting frame plate ii 20202, a middle connecting frame plate iii 20203 and a middle connecting frame plate iv 20204, in this embodiment, the middle connecting frame plate ii 20202 and the middle connecting frame plate iv 20204 are disposed opposite to each other, and are connected with each other by the middle connecting frame plate i 20201 perpendicular thereto; the number of the middle connecting frame plates I20201 is two, and the middle connecting frame plates I20201 are arranged at intervals.
The middle connecting frame plate III 20203 is connected between the bottoms of the two middle connecting frame plates I20201, and a rectangular frame structure is formed by the plates. The middle connecting frame plate II 20202 is fixedly connected with the front transmission box body 20106 through a plurality of holes, the middle connecting frame plate IV 20204 is fixedly connected with the rear transmission box body 20306 through a plurality of holes, the middle connecting frame plate I20201 is fixedly connected with the side supporting frame 20401 through a plurality of holes, and the middle connecting frame plate III 20203 is fixedly connected with the lower supporting frame 20403 through a plurality of long holes.
The middle link 202 ensures proper mounting positions of the front and rear gear case assemblies 201 and 203, thereby ensuring proper mounting of the left and right clamp chains 101 and 102. In this embodiment, the holes and the long holes are four respectively. Of course, in other embodiments, the number of holes and slots may be other as long as the mounting requirements are satisfied.
As shown in fig. 9, the support frame assembly 204 includes a side support frame 20401, a tension pulley assembly 20402 and a lower support frame 20403, wherein the side support frame 20401 is vertically installed, the tension pulley assembly 20402 is installed at the top end of the side support frame 20401, and the frame connecting plate i 20411 is connected at the bottom end of the side support frame; the side support 20401 is connected to the frame assembly 4 via a frame connection plate i 20411. The tensioner assembly 20402 is disposed inside the roller chain 205, power is transmitted from the sprocket II 20105 to the sprocket III 20301 via the roller chain 205, and the roller chain 205 is tensioned by the tensioner assembly 20402.
The lower support frame 20403 is connected with a stem seedling guiding mechanism 303, and the stem seedling guiding mechanism 303 is a part of the chain cover assembly 3. As shown in fig. 10-12, the chain guard assembly 3 further includes a left chain guard assembly 301, a right chain guard assembly 302 and a chain guard bracket assembly 304, and the front and middle portions of the left chain guard assembly 301 and the right chain guard assembly 302 are symmetrical structures.
In this embodiment, the rear portion of the right chain cover assembly 302 is increased by 380mm in length from the rear portion of the left chain cover assembly 301, and the stem seedling guiding mechanism 303 is installed at the rear portion of the right chain cover assembly 302. The left chain cover assembly 301 and the right chain cover assembly 302 are fixedly connected above the frame assembly 4 through the bracket assembly 304, and the chain cover assembly 3 can prevent the stem seedling from being wound on the clamping chains and the clamping chain wheels. Meanwhile, the chain cover assembly 3 forms a crop stem seedling guide channel at the mounting position of the frame assembly 4, so that smooth movement of the crop stem seedling and the transmission part can be ensured not to be blocked.
Further, as shown in fig. 11, the left chain cover assembly 301 includes a left front chain cover 30101, a left middle chain cover i 30102, a left middle chain cover ii 30103, a left rear chain cover i 30104, and a left rear chain cover ii 30105, the left front chain cover 30101 is fixedly connected to the left middle chain cover i 30102 and the left middle chain cover ii 30103, and the left middle chain cover i 30102 and the left middle chain cover ii 30103 are spliced together. The rear sides of the left middle chain cover I30102 and the left middle chain cover II 30103 are fixedly connected with a left rear chain cover I30104 and a left rear chain cover II 30105, and the left rear chain cover II 30105 is positioned below the left rear chain cover I30104.
As shown in fig. 12, the right chain cover assembly 302 includes a right front chain cover 30201, a right middle chain cover i 30202, a right middle chain cover ii 30203, a right rear chain cover i 30204, and a right rear chain cover ii 30205, the right front chain cover 30201 is fixedly connected to the right middle chain cover i 30202 and the right middle chain cover ii 30203 at the rear side thereof, and the right middle chain cover i 30202 and the right middle chain cover ii 30203 are spliced together. The rear sides of the right middle chain cover I30202 and the right middle chain cover II 30203 are fixedly connected with a right rear chain cover I30204 and a right rear chain cover II 30205, and the right rear chain cover II 30205 is positioned below the right rear chain cover I30204. The left chain cover assembly 301 and the right chain cover assembly 302 adopt the splicing structure, so that the disassembly and the assembly are convenient.
Further, as shown in fig. 11 and 13, the stem seedling guiding mechanism 303 comprises an upper seedling guiding bracket 30301 and a lower seedling guiding plate 30302, wherein the upper seedling guiding bracket 30301 comprises a frame connecting plate ii 30311, a seedling guiding bracket connecting plate 30312 and an upper seedling guiding plate 30313; the front part of the upper seedling guide bracket 30301 is connected with the frame assembly 4 through a frame connecting plate II 30311, the middle part is connected with the support frame assembly 204 through a seedling guide frame connecting plate 30312, and the lower seedling guide plate 30302 is fixedly connected on a right rear chain cover II 30205. Further, the upper seedling guiding bracket 30301 is connected to the lower supporting frame 20403 through the lower supporting frame connecting plate 20412 by the seedling guiding frame connecting plate 30312.
The chain cover bracket assembly 304 includes a chain cover bracket I30401, a chain cover bracket II 30402, a chain cover bracket III 30403, a chain cover bracket IV 30404, a chain cover bracket V30405, a chain cover bracket VI 30406, a chain cover bracket VII 30107 and a chain cover bracket VIII 30508, the chain cover bracket I30401, the chain cover bracket II 30402, the chain cover bracket III 30403, the chain cover bracket IV 30404 and the chain cover bracket VIII 30508 connecting the fixed chain cover and the frame assembly 4. The chain cover bracket V30405 and the chain cover bracket VI 30406 are connected and fixed to the rear upper and lower chain covers, and the chain cover bracket VII 30107 is connected and fixed to the rear chain cover and rear transmission case assembly 203.
The working process of the embodiment is as follows:
the power is input and transmitted to the left clamping chain 101 through the front transmission box assembly 201, and is transmitted to the right clamping chain 102 through the rear transmission box assembly 203, so that the left and right clamping chain wheels are driven to rotate relatively, and the shifting fingers 10101 are arranged at the meshing positions of the left and right clamping chains in a staggered mode to form a stem seedling conveying channel. The crop seedling is dialed into the seedling conveying channel by the dialing finger 10101 on the clamping chain, and is clamped by the clamping chain to move upwards along the channel, when the seedling is conveyed to the tail end of the clamping channel, the dialing finger 10101 on the right clamping chain 102 rapidly dials out the seedling and is spread on the frame collecting platform under the guidance of the seedling guiding mechanism 303.
The conveying device of the embodiment can guide and centralize the stalks which are severely lodged and creeping to wind according to physiological characteristics and planting modes of the stalks, so that the stalks accurately enter the clamping mechanism and are conveyed.
The conveying device can be arranged on an agricultural machine to harvest the stem seedling fields of various crops such as peanuts, potatoes, sweet potatoes and garlic, and solves the problems that the existing stem seedling feeding clamping device is single in function, difficult to adjust, insufficient in application range and the like.
Embodiment two:
the embodiment provides a seedling clamping and conveying device for rhizome crops, which comprises the conveying device in the first embodiment, and the conveying device is arranged at the front end of an agricultural machine.
The agricultural machine may be a tractor or the like.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (5)
1. A seedling clamping and conveying device for rhizome crops, which is characterized by comprising:
the clamping chain assembly comprises a left clamping chain and a right clamping chain which are meshed together, a plurality of poking teeth are distributed on the outer sides of the left clamping chain and the right clamping chain, and poking teeth of the left clamping chain and the right clamping chain are arranged in a staggered manner to form a stem seedling conveying channel;
the chain cover assembly comprises a left chain cover assembly arranged on the outer side of the left clamping chain and a right chain cover assembly arranged on the outer side of the right clamping chain, and the right chain cover assembly is provided with a stem seedling guide mechanism; the left chain cover assembly and the right chain cover assembly are arranged above the frame assembly and form a stem seedling guide channel;
the chain cover assembly can effectively prevent the stem seedling from being involved in the clamping chain and the clamping chain wheel, ensure that the transmission part moves smoothly without winding the stem seedling, and the left and right chain cover assemblies are arranged at the positions on the frame assembly to form stem seedling supporting guide channels, thereby ensuring the smooth transportation of the stem seedling;
the length of the right chain cover assembly is longer than that of the left chain cover assembly, and the front parts and the middle parts of the left chain cover assembly and the right chain cover assembly are of symmetrical structures;
the stem seedling guiding mechanism comprises an upper seedling guiding plate and a lower seedling guiding plate, wherein the upper seedling guiding plate is arranged above the right chain cover assembly, and the lower seedling guiding plate is arranged below the right chain cover assembly;
one ends of the left clamping chain and the right clamping chain form a V-shaped structure, so that the stem seedling can enter a stem seedling conveying channel; the engaging section of the right clamping chain has more poking index than the engaging section of the left clamping chain, crop seedlings are poked into the seedling conveying channel through the poking index on the clamping chain and are clamped by the clamping chain to move upwards along the channel, when the clamping device clamps the seedlings and conveys the seedlings to the tail end of the clamping chain, the poking index which is more than the right clamping chain can rapidly poke the seedlings to be screwed into the left clamping chain wheel, so that the clamping chain wheel and the conveying channel are not blocked, and the seedlings are flatly paved on the rack collecting platform under the guidance of the seedling guiding mechanism;
the left chain cover assembly and the right chain cover assembly adopt a splicing structure, and the right chain cover assembly comprises a right front chain cover, a right middle chain cover I and a right middle chain cover II which are connected to the rear of the right front chain cover, and the right middle chain cover I and the right middle chain cover II are spliced together; the rear parts of the right middle chain cover I and the right middle chain cover II are connected with the right rear chain cover I and the right rear chain cover II, and the right rear chain cover II is positioned below the right rear chain cover I; the left chain cover assembly comprises a left front chain cover, a left middle chain cover I and a left middle chain cover II which are connected to the rear of the left front chain cover, and the left middle chain cover I and the left middle chain cover II are spliced together; the rear of the left middle chain cover I and the rear of the left middle chain cover II are connected with the left rear chain cover I and the left rear chain cover II, and the left rear chain cover II is positioned below the left rear chain cover I.
2. The seedling clamping and conveying device for rhizome crops as claimed in claim 1, further comprising a transmission mechanism, wherein the transmission mechanism comprises a front transmission box assembly connected with the left clamping chain and a rear transmission box assembly connected with the right clamping chain.
3. The seedling clamping and conveying device for rhizome crops according to claim 2, wherein the front transmission case assembly and the rear transmission case assembly are connected through a middle connecting frame, one side of the middle connecting frame is connected with a support frame assembly, and the support frame assembly is connected with the frame assembly.
4. A seedling clamping and conveying device for rhizome crops as claimed in claim 3, wherein the support frame assembly comprises side support frames, and the side support frames are connected with the middle connecting frame through a tensioning wheel assembly; the tensioning wheel assembly is used for tensioning a roller chain, and the roller chain is connected with the front transmission case assembly and the rear transmission case assembly.
5. A seedling clamping and conveying device for rhizome crops, which comprises a conveying device as claimed in any one of claims 1 to 4.
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|---|---|---|---|
| CN202110062928.2A CN112930834B (en) | 2021-01-18 | 2021-01-18 | Seedling clamping and conveying device and equipment for rhizome crops |
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| CN202110062928.2A CN112930834B (en) | 2021-01-18 | 2021-01-18 | Seedling clamping and conveying device and equipment for rhizome crops |
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| CN112930834A CN112930834A (en) | 2021-06-11 |
| CN112930834B true CN112930834B (en) | 2024-03-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114046338A (en) * | 2021-11-19 | 2022-02-15 | 武汉船用机械有限责任公司 | Spline connection structure of full-rotation rudder propeller transmission chain |
| CN114514830A (en) * | 2022-03-04 | 2022-05-20 | 福建农林大学 | Tobacco topping and spraying integrated operation machine and working method thereof |
| CN115104433B (en) * | 2022-06-13 | 2024-03-19 | 华中农业大学 | Modularized flexible orderly clamping and conveying device for cutting rape bolts |
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