CN109463109B - Step type stalk pulling machine - Google Patents
Step type stalk pulling machine Download PDFInfo
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- CN109463109B CN109463109B CN201811385363.6A CN201811385363A CN109463109B CN 109463109 B CN109463109 B CN 109463109B CN 201811385363 A CN201811385363 A CN 201811385363A CN 109463109 B CN109463109 B CN 109463109B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
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Abstract
The invention relates to the technical field of cotton stalk harvesting equipment, in particular to a stepped stalk pulling machine which comprises a rack, a suspension connecting piece, pulling components and a belt transmission component, wherein the suspension connecting piece is arranged at the front part of the rack, at least one group of pulling components are distributed on the rack corresponding to the lower side position behind the suspension connecting piece at intervals in the left-right direction, each group of pulling components comprises a belt transmission component and two pulling wheels distributed at intervals in the left-right direction, a space is reserved between the right pulling wheel and the left pulling wheel in the vertical direction, and each pulling wheel is arranged at a corresponding position on the lower side of the rack and can rotate relative to the rack; the invention can ensure that the pulling positions of the cotton straws entering the two corresponding straw pulling inlets are in high-low step ladder-shaped distribution, thereby effectively avoiding the interference of two adjacent lines of cotton straws in the pulling process, ensuring that the pulling of the two lines of cotton straws can be operated independently, meeting the harvesting operation of the cotton straws distributed in ultra-narrow rows, and having the characteristics of good continuity, difficult pulling leakage, difficult breaking and high recovery rate.
Description
Technical Field
The invention relates to the technical field of cotton stalk harvesting equipment, in particular to a stepped stalk puller.
Background
The cotton is one of the main economic crops in China, the planting area of the cotton covers most of the areas in China, mainly including Yangtze river valley, yellow river valley and Xinjiang area, the cotton planting characteristics of each cotton area are different due to different geographic positions and climates, the cotton sowing area in 2016 years in the country is 5064.2 ten thousand mu according to statistics, the cotton yield in the country is 534.3 ten thousand tons, the Xinjiang cotton sowing area is 2488 ten thousand mu, the Xinjiang cotton yield reaches 359.4 ten thousand tons, the planting area accounts for 49.1 percent of the country, the yield reaches 66.4 percent of the country, and the cotton has an important position in the cotton industry in the country. The yield of cotton stalks is about 2000 million tons per year according to the production of 400 kilograms of cotton stalks per mu of land.
The traditional utilization mode of cotton straws is as follows: the cotton straws are directly smashed and returned to the field, and the smashing and returning of the cotton straws has certain effects on increasing soil organic matters, fertilizing soil fertility, storing water and preserving soil moisture and the like, but because the surface layers of the cotton straws are very hard, the root lignification of the cotton straws is higher, the smashed and returned cotton straws are not prone to rot, the fertilizing soil fertility effect is not good, the next crop sowing effect is seriously affected, the agricultural production is affected to different degrees, meanwhile, the cotton straws have verticillium wilt, and can be carried to the next year through soil-borne diseases, and most of the rest straws are not utilized and are paid to the next year.
However, due to the characteristics of the cotton stalks, the cotton stalks can be applied to the papermaking and textile industries and bring considerable economic benefits, so that the utilization rate of the cotton stalks by directly crushing the cotton stalks and returning the cotton stalks to the field is limited, the effective utilization of the benefits of the cotton stalks cannot be realized, and the resource waste and the economic loss are caused.
On this basis, corresponding cotton stalk recovery equipment is also developed aiming at the recycling of cotton stalks, and generally comprises a shovel cutting type, a lifting type and a combined operation type, the cotton stalks can be harvested by the equipment, so that the cotton stalks can be recycled, however, the mulching film is easy to turn up synchronously in the harvesting process, so that the mulching film and the cotton stalks are mixed and are not easy to separate, and the recycling efficiency of the cotton stalks is influenced. Especially, most of the devices are used for harvesting cotton stalks with wider row spacing, and cannot be applied to harvesting the cotton stalks with narrow rows, especially the cotton stalks in the Xinjiang area, due to the structural and size constraints of the devices.
The Xinjiang area is in the northwest of China and is a key area for the mechanized development of China, the cotton planting yield in the Xinjiang area is high, the cotton harvesting is mainly based on mechanical cotton picking, the harvesting mode of the mechanical cotton picking mode is increased year by year, but the planting mode of the mechanical cotton picking mode has the characteristics of short, dense and early, the ultra-narrow rows are planted, the distance of cotton straws is too short, when the equipment is used for harvesting the cotton straws, a large amount of phenomena of breakage, pulling omission and the like can occur in two rows after one-time harvesting, and the two rows are respectively recycled, so that the space cannot be placed, and the recycling of biomass energy of the cotton straws is seriously influenced.
Disclosure of Invention
The invention provides a stepped stalk pulling machine, which overcomes the defects of the prior art and can effectively solve the problems that the existing cotton stalks are easy to turn up a mulching film synchronously, so that the mulching film is mixed with cotton stalks and is not easy to separate, the recycling efficiency of the cotton stalks is influenced, the existing cotton stalks cannot be applied to the harvesting of narrow-row cotton stalks due to the constraint of equipment structure and size, a large amount of breakage and pulling missing phenomena occur in two rows during one-time harvesting, and the two rows are respectively recycled, and the existing cotton stalks cannot be placed in space.
The technical scheme of the invention is realized by the following measures: a step type stalk pulling machine comprises a rack, suspension connecting pieces, pulling-up assemblies and belt transmission assemblies, wherein the suspension connecting pieces are arranged at the front part of the rack, at least one group of pulling-up assemblies are distributed on the rack corresponding to the lower side position of the rear part of the suspension connecting pieces at intervals along the left-right direction, each group of pulling-up assemblies comprises a belt transmission assembly and two pulling-up wheels distributed at intervals along the left-right direction, the pulling-up wheel positioned on the right side is called a right pulling-up wheel, the pulling-up wheel positioned on the left side is called a left pulling-up wheel, the right pulling-up wheel and the left pulling-up wheel are spaced in the vertical direction, each pulling-up wheel is arranged at the corresponding position of the lower side of the rack and can rotate relative to the rack, the outer side of each pulling-up wheel is provided with a belt transmission assembly corresponding to the pulling-; the belt transmission assembly comprises a belt body, a driving wheel and a driven wheel, the outer side of each belt body is in contact with the corresponding pulling wheel, the driving wheel and the driven wheel are matched and driven in each belt body, each driving wheel and the driven wheel are connected together with the frame and can rotate relative to the frame, a driving device capable of driving each driving wheel to rotate is arranged on the frame, and each belt body is in a low-front-rear-high inclined state.
The following is further optimization or/and improvement of the technical scheme of the invention:
even-number groups of pulling-up components can be distributed on the rack corresponding to the lower side position behind the suspension connecting piece at intervals in the left-right direction, all the pulling-up components are sequentially sequenced from left to right, each pulling-up component positioned at an odd number position and the adjacent pulling-up component positioned at the right side of the pulling-up component form a step pulling-up wheel group together, the left side of the right pulling-up wheel and the right side of the left pulling-up wheel are respectively provided with a belt transmission component corresponding to the left pulling-up wheel, the lower side of the rack corresponding to the middle position of each group of step pulling-up wheel groups is provided with a middle connecting piece, and the left pulling-up wheel positioned in the right pulling-up component and the right pulling-up wheel positioned in the left pulling-up component in each group of step pulling-up wheel groups are arranged on the middle connecting piece at intervals in the left-right direction; the lower portion of the rack corresponding to each pulling assembly position is provided with a pulling wheel connecting piece, a driven wheel connecting piece and two main wheel connecting pieces, a right pulling wheel in the right pulling assembly and a left pulling wheel in the left pulling assembly are connected with the corresponding pulling wheel connecting pieces respectively, two driven wheels in each pulling assembly are distributed in a height staggered mode, the two driven wheels are connected to the lower portion of the same corresponding driven wheel connecting piece, a driving wheel in each belt transmission assembly is located above the rear portion of the corresponding driven wheel, two driving wheels in each pulling assembly are connected with the lower portion of the corresponding main wheel connecting piece respectively, and the axes of the pulling wheels, the driving wheels and the driven wheels are parallel to each other and are inclined in a front-high-rear-low mode.
The following is further optimization or/and improvement of the technical scheme of the invention:
above-mentioned meso position connecting piece can include the meso position pole, divide to the pole, right side connecting rod and left connecting rod, the meso position pole is fixed in the corresponding position of frame downside, divide to the pole along controlling to arranging, the lower extreme of meso position pole with divide to the middle part upside of pole together fixed, divide to the right-hand member of pole and the left end of right connecting rod to pass through flange joint fixed mounting together, divide to the left end of pole and the right-hand member of left connecting rod to pass through flange joint fixed mounting together, every ladder is pulled out the left part that the left side that lies in the right side pulling-out subassembly in the stalk group and is all installed in the right part of the right connecting rod that corresponds and can rotate by oneself relatively to it, every ladder is pulled out the right side that lies in the left side pulling-out subassembly in the stalk group and is all installed in the left part of the left connecting rod that corresponds and can rotate by oneself relatively to it.
The front sides of the right connecting rod, the left connecting rod, each wheel pulling connecting piece and each wheel pulling connecting piece can be provided with a grain divider.
The driven wheel connecting piece can comprise an upper connecting rod and a connecting lever connecting rod, the upper end of the upper connecting rod is fixed at the corresponding position of the bottom of the rack, the connecting lever connecting rod comprises an upper supporting rod, a transverse connecting rod and a lower supporting rod, the lower supporting rod is located below the upper supporting rod, the lower end of the upper supporting rod and the upper end of the lower supporting rod are connected together through the transverse connecting rod, each group pulls out the driven wheel located above the group and is in equal limit installation on the upper supporting rod, each group pulls out the driven wheel located below the group and is in equal limit installation on the lower supporting rod, and the upper end of the upper supporting rod and the lower end of the upper connecting rod are fixedly installed.
The driving device can comprise a gear pump and a hydraulic motor, a main rotating shaft capable of synchronously rotating with each driving wheel is arranged in the middle of each driving wheel, the hydraulic motor is arranged on the rack corresponding to the position above each driving wheel, and an output shaft of the hydraulic motor is in transmission connection with the corresponding main rotating shaft; be equipped with oil tank and gear pump in the frame, the power input shaft of gear pump is located the place ahead of frame, and the oil inlet and the oil tank intercommunication of gear pump, the oil-out of gear pump link together with each hydraulic motor's oil inlet respectively.
The rack can comprise a right side plate, a left side plate, a suspension beam, an upper cross beam, a lower cross beam, a support beam, a front support leg and a rear support leg, wherein the left side plate and the right side plate are distributed at intervals along the left-right direction, and the upper cross beam, the lower cross beam, the support beam and the suspension beam positioned on the lower front side are connected between the left side plate and the right side plate; the suspension connecting piece comprises an upper pull seat, an upper suspension seat and a lower suspension seat, the upper portion of the suspension beam is fixed with the upper pull seat, the front side of the upper pull seat is fixed with the upper suspension seat, the front side of the suspension beam is fixed with two lower suspension seats at intervals in the left-right direction, the upper cross beam is positioned at the rear side of the upper pull seat and fixed together, and the upper side of the middle part of the suspension beam is fixedly provided with a gear pump; the lower cross beam and the support beam are positioned behind the upper cross beam, the bottom surface of the oil tank is fixedly installed with the upper cross beam and the support beam respectively, the lower cross beam is positioned below the oil tank, and each hydraulic motor is installed on the lower cross beam; the left and right sides of the front portion of the machine frame are provided with front supporting legs, the left and right sides of the rear portion of the machine frame are provided with rear supporting legs, the lower ends of the front supporting legs and the rear supporting legs are coplanar, the plane where the lower ends of the front supporting legs and the rear supporting legs are located is called a reference plane, and a distance is reserved between the reference plane and the lowest point of the belt body.
The outer side of the pulling wheel can be provided with a rubber layer outer ring which is contacted with the corresponding belt body.
The cotton stalk pulling device has the advantages of compact structure and reasonable layout, and the right pulling wheel and the left pulling wheel are arranged at intervals in the vertical direction, so that the pulling positions of the cotton stalks entering two corresponding stalk pulling inlets can be kept in high-low step ladder-shaped distribution, the interference generated in the pulling process of two adjacent lines of cotton stalks can be effectively avoided, the two lines of cotton stalks can be pulled independently, the harvesting operation of the cotton stalks distributed in ultra-narrow rows can be met, and the cotton stalk pulling device has the characteristics of good continuity, difficulty in pulling and pulling, difficulty in breaking, high recovery rate, simplicity in operation and convenience in use.
Drawings
FIG. 1 is a right side view of the preferred embodiment of the present invention with the right side plate not installed.
Fig. 2 is a rear view partially in section structural schematic of the preferred embodiment of the present invention.
Fig. 3 is a schematic perspective view of fig. 2.
The codes in the figures are respectively: 1 is a right pulling wheel, 2 is a left pulling wheel, 3 is a belt body, 4 is a driving wheel, 5 is a driven wheel, 6 is a pulling wheel connector, 7 is a main wheel connector, 8 is a middle position rod, 9 is a direction-dividing rod, 10 is a right connecting rod, 11 is a left connecting rod, 12 is a supporting rod, 13 is a divider, 14 is an upper connecting rod, 15 is an upper connecting rod, 16 is a transverse connecting rod, 17 is a lower supporting rod, 18 is a gear pump, 19 is a hydraulic motor, 20 is a main rotating shaft, 21 is an oil tank, 22 is a right side plate, 23 is a left side plate, 24 is a suspension beam, 25 is an upper cross beam, 26 is a lower cross beam, 27 is a support beam, 28 is a front support leg, 29 is a rear support leg, 30 is an upper pulling seat, 31 is an upper suspension seat, 32 is a lower suspension seat, and 33 is an outer ring of a rubber layer.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern in the direction a in fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached drawings 1, 2 and 3, the stepped stalk pulling machine comprises a rack, a suspension connecting piece, pulling-up assemblies and belt transmission assemblies, wherein the suspension connecting piece is arranged at the front part of the rack, at least one group of pulling-up assemblies are distributed on the rack corresponding to the lower side position behind the suspension connecting piece at intervals in the left-right direction, each group of pulling-up assemblies comprises a belt transmission assembly and two pulling-up wheels distributed at intervals in the left-right direction, the pulling-up wheel positioned on the right side is called a right pulling-up wheel 1, the pulling-up wheel positioned on the left side is called a left pulling-up wheel 2, the right pulling-up wheel 1 and the left pulling-up wheel 2 are spaced in the vertical direction, each pulling-up wheel is arranged at the corresponding position on the lower side of the rack and can rotate relative to the rack, the belt transmission assembly corresponding to each pulling-up wheel is arranged on the outer side of each pulling-up wheel, and two groups of belt transmission assemblies in each group of pulling-up assemblies are spaced in the vertical direction; belt drive assembly includes belt body 3, action wheel 4 and follows driving wheel 5, every belt body 3's the outside all contacts with the pull-up wheel that corresponds, all be equipped with in every belt body 3 rather than the driven action wheel 4 of cooperation and follow driving wheel 5, each action wheel 4 all links together and can rotate relative to the frame with the frame from driving wheel 5, be equipped with in the frame and drive each action wheel 4 pivoted drive arrangement, low back high slope form before every belt body 3 all is.
When in use, the invention can be used in cooperation with a tractor, the head of the tractor faces to the front side, the invention is arranged at the tail of the tractor through the hanging connecting piece, so that the tractor can drive the invention to move forwards, the output shaft of the tractor can provide power for the driving device, the driving wheels 4 are driven by a driving device to rotate correspondingly, so that the right side of the belt body 3 in contact with the right pulling wheel 1 and the left side of the belt body 3 in contact with the left pulling wheel 2 both rotate backwards, a front included angle formed by the belt body 3 and the pulling wheels in contact is called a stalk pulling inlet, a rear included angle formed by the two is called a stalk pulling outlet, the rotation direction of each belt body 3 is from the stalk pulling inlet to the stalk pulling outlet, each stalk pulling inlet corresponds to the row position of cotton stalks to be pulled, and the height of the stalk pulling inlet is higher than that of the mulching film; when the tractor drives the cotton stalk puller to move forwards, cotton stalks of corresponding rows are clamped into corresponding pulling wheels and the belt body 3 from the stalk pulling inlets, pulled upwards backwards under the drive of the belt body 3, and sent out from the stalk pulling outlets, so that the cotton stalk puller can pull cotton stalks; the right pulling wheel 1 and the left pulling wheel 2 are spaced in the vertical direction, so that the pulling positions of the cotton straws entering the two corresponding pulling inlets can be kept in high-low step ladder-shaped distribution, interference generated in the pulling process of two adjacent lines of cotton straws can be effectively avoided, the two lines of cotton straws can be pulled independently, the cotton straws are not easy to break, the recovery rate is high, the spatial distribution can be more reasonable, the narrow-line pulling distance can be ensured to meet the pulling operation when the two lines of cotton straws are distributed in ultra-narrow lines, and the cotton straw harvester is particularly suitable for harvesting the cotton straws in Xinjiang areas; for cotton planting in Xinjiang, the row spacing of the cotton straws is mainly wide row spacing and narrow row spacing which are alternately distributed, the narrow row spacing of two rows of the cotton straws can be 10cm, the wide row spacing of two rows of the cotton straws can be 66cm or 68cm and the like, four rows of the cotton straws with the row spacing of narrow, wide and narrow in sequence can be synchronously harvested by adopting the cotton harvester, and the harvesting efficiency of the cotton straws can be greatly improved. According to the invention, the belt body 3 is in an inclined shape with a lower front part and a higher rear part, cotton straws positioned at the straw pulling inlet can be pulled upwards backwards through the rotation of the belt body, and the pulled cotton straws are sent out from the straw outlet, so that the cotton stalk harvester has good continuity, is not easy to miss and pull, is not easy to break cotton stalks, and has a good cotton stalk harvesting effect; the straw pulling inlet is higher than the mulching film, so that the mulching film and cotton straws can be prevented from being mixed, the harvested cotton straws can be directly used without performing mulching film separation operation, and the utilization efficiency of the harvested cotton straws can be enhanced; its compact structure, it is rationally distributed, there is the interval through making right side pull-out wheel 1 and left side pull-out wheel 2 in vertical direction, can make two and correspond the pull-out position that pulls out the intraoral cotton stalk of stalk income and keep high low order ladder-shaped distribution, thereby can effectively avoid two adjacent lines of cotton stalks to produce at the process of pulling out and interfere, make two lines of cotton stalks pull out the homoenergetic autonomous working, still can satisfy the harvesting operation of the cotton stalk that the super narrow row distributes, it is good to have the continuity, be difficult for leaking to pull out, be difficult for the rupture, the rate of recovery is high, and the operation is simple, convenient to use's characteristics. According to the requirements, a plurality of groups of pulling assemblies can be arranged at the lower part of the frame along the left-right direction, so that the pulling operation of a plurality of rows of cotton straws can be completed simultaneously through the invention.
The stepped stalk pulling machine can be further optimized or/and improved according to actual requirements:
as shown in the attached drawings 1, 2 and 3, even groups of pulling-up assemblies are distributed on the rack corresponding to the lower side position behind the suspension connecting piece at intervals in the left-right direction, all the pulling-up assemblies are sequentially sequenced from left to right, each pulling-up assembly positioned at an odd number position and the pulling-up assembly positioned at the right side and adjacent to the pulling-up assembly jointly form a step pulling-up rod group, the left side of the right pulling-up wheel 1 and the right side of the left pulling-up wheel 2 are provided with belt transmission assemblies corresponding to the pulling-up assemblies, the lower side of the rack corresponding to the middle position of each group of step pulling-up rod groups is provided with a middle connecting piece, and the left pulling-up wheel 2 positioned in the right pulling-up assembly and the right pulling-up wheel 1 positioned in the left pulling-up assembly in each group of step pulling-up rod groups are arranged on the middle connecting piece at intervals in the left-right direction; the lower portion of the rack corresponding to each pulling assembly position is provided with a pulling wheel connecting piece 6, a driven wheel connecting piece and two main wheel connecting pieces 7, a right pulling wheel 1 in the right pulling assembly and a left pulling wheel 2 in the left pulling assembly are respectively connected with the corresponding pulling wheel connecting pieces 6, two driven wheels 5 in each pulling assembly are distributed in a staggered mode, the two driven wheels 5 are connected to the lower portion of the same corresponding driven wheel connecting piece, a driving wheel 4 in each belt transmission assembly is located above the rear portion of the corresponding driven wheel 5, two driving wheels 4 in each pulling assembly are respectively connected with the lower portion of the corresponding main wheel connecting piece 7, and the axes of the pulling wheels, the driving wheels 4 and the driven wheels 5 are parallel to each other and are inclined in a front-high-rear-low mode. Therefore, the projections of the two groups of belt transmission assemblies in the pulling assembly on the bottom surface can have an overlapping area, the space layout can be optimized, the left-right distance between two pulling rod inlets in each group of pulling assemblies is reduced, the synchronous pulling operation of two rows of cotton straws distributed in ultra-narrow rows is met, the overall size of the cotton straw pulling device can be reduced, the cotton straw pulling device is more portable, the manufacturing cost can be reduced, and the cotton straw pulling device is more convenient and labor-saving to install. According to the requirement, the axes of the wheel pulling connecting piece 6, the wheel pulling connecting piece and the two main wheel connecting pieces 7 can be in an inclined shape with a high front part and a low back part, so that the corresponding wheel pulling, driving wheel 4 and driven wheel 5 can be conveniently installed.
As shown in the attached drawings 1, 2 and 3, the middle connecting piece comprises a middle rod 8, a branch rod 9, a right connecting rod 10 and a left connecting rod 11, the middle rod 8 is fixed at a corresponding position on the lower side of the rack, the branch rod 9 is arranged along the left-right direction, the lower end of the middle rod 8 is fixed with the upper side of the middle part of the branch rod 9, the right end of the branch rod 9 is fixedly installed with the left end of the right connecting rod 10 through a flange, the left end of the branch rod 9 is fixedly installed with the right end of the left connecting rod 11 through a flange, the left pulling wheel 2 in the right pulling assembly in each group of step pulling rod groups is installed at the right part of the corresponding right connecting rod 10 and can rotate automatically relative to the right pulling wheel, and the right pulling wheel 1 in the left pulling assembly in each group of step pulling rod groups is installed at the left part of the corresponding left connecting rod 11 and can rotate automatically relative to the right pulling wheel. When the belt tensioning device is used, the gap between the right end of the branch rod 9 and the left end of the right connecting rod 10 or/and the gap between the left end of the branch rod 9 and the right end of the left connecting rod 11 can be adjusted, and the specific operation can adopt the prior known technology, such as increasing or decreasing gaskets between the corresponding two ends, and the like, so that the left-right displacement adjustment of the corresponding pulling wheel can be realized, and the corresponding belt body 3 can be kept in a tensioning state. According to the requirement, the right connecting rod 10 and the left connecting rod 11 can be arc-shaped rods, so that the mounting requirement can be met, the stress concentration is reduced, and the good working strength is kept; the middle connecting rod can also comprise a supporting rod 12 which is low in front and high in back, the supporting rod 12 is positioned behind the middle rod 8, the upper end of the supporting rod 12 is fixed with the bottom of the rack, and the lower end of the supporting rod 12 is fixed with the upper side of the middle part of the steering rod 9, so that the steering rod 9 can be further supported by the supporting rod 12.
As shown in fig. 1, 2 and 3, a divider 13 is arranged at the front side of the right connecting rod 10, the left connecting rod 11, each wheel pulling connecting piece 6 and each wheel connecting piece. Therefore, the cotton straws can be guided into the corresponding pulling inlet through the nearside divider 13, the influence of the lodging of the cotton straws on the pulling operation can be eliminated, and the straw pulling efficiency is improved. The divider 13 may be of any known technology, as required.
As shown in fig. 1, 2 and 3, the driven wheel connecting piece comprises an upper connecting rod 14 and a connecting lever connecting rod, the upper end of the upper connecting rod 14 is fixed at a corresponding position at the bottom of the rack, the connecting lever connecting rod comprises an upper supporting rod 15, a transverse connecting rod 16 and a lower supporting rod 17, the lower supporting rod 17 is positioned below the upper supporting rod 15, the lower end of the upper supporting rod 15 and the upper end of the lower supporting rod 17 are connected together through the transverse connecting rod 16, the driven wheel 5 positioned above in each group of lifting assemblies is mounted on the upper supporting rod 15 in a limiting manner, the driven wheel 5 positioned below in each group of lifting assemblies is mounted on the lower supporting rod 17 in a limiting manner, and the upper end of the upper supporting rod 15. Therefore, two driven wheels 5 in each group of pulling-up components can be conveniently connected below the upper connecting rod 14 in a stacking mode through the connecting lever connecting rod, the projections of the two groups of belt transmission components in each group of pulling-up components on the bottom surface are provided with overlapping areas, the space size is reduced, four rows of cotton straw harvesting with the row spacing sequentially being narrow, wide and narrow can be synchronously completed, the cotton straw harvesting machine has the advantages of being high in harvesting efficiency, capable of simplifying the structure of the cotton straw harvesting machine, reducing the size of the whole machine, reducing the weight of the whole machine and reducing the production cost.
As shown in fig. 1, 2 and 3, the driving device comprises a gear pump 18 and a hydraulic motor 19, a main rotating shaft 20 capable of synchronously rotating with the driving wheel 4 is arranged in the middle of each driving wheel 4, the hydraulic motor 19 is mounted on the rack corresponding to the position above each driving wheel 4, and the output shaft of the hydraulic motor 19 is in transmission connection with the corresponding main rotating shaft 20; an oil tank 21 and a gear pump 18 are arranged on the rack, a power input shaft of the gear pump 18 is positioned in front of the rack, an oil inlet of the gear pump 18 is communicated with the oil tank 21, and oil outlets of the gear pump 18 are respectively connected with oil inlets of the hydraulic motors 19. When the tractor is used, the power output shaft of the tractor and the power input shaft of the gear pump 18 can be connected together in a transmission mode, so that the gear pump 18 can be driven by the tractor to provide a power source for each hydraulic motor 19, and the driving operation of each driving wheel 4 is realized.
As shown in fig. 1, 2 and 3, the frame includes a right side plate 22, a left side plate 23, suspension beams 24, an upper beam 25, a lower beam 26, support beams 27, front support legs 28 and rear support legs 29, the left side plate 23 and the right side plate 22 are distributed at intervals in the left-right direction, and the upper beam 25, the lower beam 26, the support beams 27 and the suspension beams 24 located at the front lower side are connected between the left side plate 23 and the right side plate 22; the suspension connecting piece comprises an upper pulling seat 30, an upper suspension seat 31 and a lower suspension seat 32, the upper part of the suspension beam 24 is fixed with the upper pulling seat 30, the front side of the upper pulling seat 30 is fixed with the upper suspension seat 31, the front side of the suspension beam 24 is fixed with two lower suspension seats 32 at intervals along the left-right direction, the upper cross beam 25 is positioned at the rear side of the upper pulling seat 30 and fixed together, and the upper side of the middle part of the suspension beam 24 is fixedly provided with the gear pump 18; the lower cross beam 26 and the support beam 27 are positioned behind the upper cross beam 25, the bottom surface of the oil tank 21 is fixedly arranged with the upper cross beam 25 and the support beam 27 respectively, the lower cross beam 26 is positioned below the oil tank 21, and each hydraulic motor 19 is arranged on the lower cross beam 26; the left side and the right side of the front part of the machine frame are both provided with front supporting legs 28, the left side and the right side of the rear part of the machine frame are both provided with rear supporting legs 29, the lower ends of the front supporting legs 28 and the rear supporting legs 29 are coplanar, the plane where the lower ends of the front supporting legs 28 and the rear supporting legs 29 are located is called a reference plane, and a distance is reserved between the reference plane and the lowest point of the belt body 3. The three-point positioning can be realized by arranging the upper suspension seat 31 and the two lower suspension seats 32, and the three-point positioning device has good stability; the arrangement of the front support leg 28 and the rear support leg 29 can facilitate the idle placement of the invention and prevent the belt body 3 from being damaged. According to requirements, the two front legs 28 can be fixed with the upper suspension beam 24 and the lower suspension beam 24, and the two front legs 28 can also be fixed on the corresponding left side plate 23 and right side plate 22; alternatively, or in addition, two rear legs 29 may be secured to the respective left and right side panels 23, 22, and the rear legs 29 may also be secured to the respective upper and middle cross members 25, 22. All the wheel pulling connecting pieces 6, the driven wheel connecting pieces and the main wheel connecting pieces 7 can be fixedly connected to the lower cross beam 26, when the wheel pulling connecting pieces 6 and the driven wheel connecting pieces are connected to the lower cross beam 26, the upper parts of the wheel pulling connecting pieces 6 and the driven wheel connecting pieces can be distributed in a bent shape, such as right-angle bent rods and the like, and when the driven wheel connecting pieces are connected to the lower cross beam 26 and comprise the upper connecting rods 14 and the crank arm connecting rods, the upper connecting rods 14 can be distributed in a bent shape, such as right-angle bent rods and the like, so that the structure of the invention can be simplified, the size of the whole machine can be reduced, the weight of the whole machine can be reduced, and the production cost can be reduced; when the lower part of the machine frame is provided with a middle connecting piece which comprises a middle rod 8 and a supporting rod 12, the middle rod 8 can be fixed on the lower side of the middle part of the suspension beam 24, and the supporting rod 12 can be fixed on the lower side of the middle part of the lower cross beam 26.
As shown in fig. 1, 2 and 3, the outer side of the pulling wheel is provided with a rubber layer outer ring 33, and the rubber layer outer ring 33 is in contact with the corresponding belt body 3. According to requirements, the outer side surface of the rubber layer outer ring 33 can be a smooth surface, so that the cotton straw can be protected, and the cotton straw is not easy to damage; the outer side surface of the rubber layer outer ring 33 may be a knurled surface, thereby improving the pulling efficiency of the pulling wheel.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (11)
1. A step type stalk pulling machine is characterized by comprising a rack, suspension connecting pieces, pulling assemblies and belt transmission assemblies, wherein the suspension connecting pieces are arranged at the front part of the rack, at least one group of pulling assemblies are distributed on the rack corresponding to the lower side position of the rear part of the suspension connecting pieces at intervals in the left-right direction, each group of pulling assemblies comprises a belt transmission assembly and two pulling wheels distributed at intervals in the left-right direction, the pulling wheel positioned on the right side is called a right pulling wheel, the pulling wheel positioned on the left side is called a left pulling wheel, the right pulling wheel and the left pulling wheel are spaced in the vertical direction, each pulling wheel is arranged at the corresponding position of the lower side of the rack and can rotate relative to the rack, the belt transmission assembly corresponding to each pulling wheel is arranged on the outer side of each pulling wheel, and two groups of belt transmission assemblies in each group of pulling assemblies are spaced in the vertical direction; the belt transmission assembly comprises belt bodies, driving wheels and driven wheels, the outer side of each belt body is in contact with the corresponding pulling wheel, the driving wheels and the driven wheels which are matched with the belt bodies are arranged in each belt body, each driving wheel and each driven wheel are connected with the frame together and can rotate relative to the frame, a driving device which can drive each driving wheel to rotate is arranged on the frame, and each belt body is in a low-front-rear-high inclined state, wherein:
even groups of pulling-up assemblies are distributed on the rack corresponding to the lower side position behind the suspension connecting piece at intervals in the left-right direction, all the pulling-up assemblies are sequentially sequenced from left to right, each pulling-up assembly positioned at an odd number position and the adjacent pulling-up assembly positioned at the right side of the pulling-up assembly form a stepped pulling-up rod group together, the left side of the right pulling-up wheel and the right side of the left pulling-up wheel are both provided with belt transmission assemblies corresponding to the pulling-up assemblies, the lower side of the rack corresponding to the middle position of each group of stepped pulling-up rod groups is provided with a middle connecting piece, and the left pulling-up wheel positioned in the right pulling-up assembly and the right pulling-up wheel positioned in the left pulling-up assembly in each group of stepped pulling-up rod groups are arranged on the middle connecting pieces at intervals in the left-right direction; the lower portion of the rack corresponding to each pulling assembly position is provided with a pulling wheel connecting piece, a driven wheel connecting piece and two main wheel connecting pieces, a right pulling wheel in the right pulling assembly and a left pulling wheel in the left pulling assembly are connected with the corresponding pulling wheel connecting pieces respectively, two driven wheels in each pulling assembly are distributed in a height staggered mode, the two driven wheels are connected to the lower portion of the same corresponding driven wheel connecting piece, a driving wheel in each belt transmission assembly is located above the rear portion of the corresponding driven wheel, two driving wheels in each pulling assembly are connected with the lower portion of the corresponding main wheel connecting piece respectively, and the axes of the pulling wheels, the driving wheels and the driven wheels are parallel to each other and are inclined in a front-high-rear-low mode.
2. The stepped stalk puller according to claim 1, wherein the middle connecting member comprises a middle rod, a branch rod, a right connecting rod and a left connecting rod, the middle rod is fixed at a corresponding position on the lower side of the frame, the branch rod is arranged in the left-right direction, the lower end of the middle rod is fixed with the upper side of the middle part of the branch rod, the right end of the branch rod is fixedly mounted with the left end of the right connecting rod through a flange connection, the left end of the branch rod is fixedly mounted with the right end of the left connecting rod through a flange connection, left pulling wheels in right pulling assemblies in each group of stepped stalk pulling groups are mounted at the right part of the corresponding right connecting rod and can rotate automatically relative thereto, and right pulling wheels in left pulling assemblies in each group of stepped stalk pulling groups are mounted at the left part of the corresponding left connecting rod and can rotate automatically relative thereto.
3. The stepped stalk puller according to claim 2, wherein a crop divider is provided at the front side of each of the right connecting rod, the left connecting rod, each of the wheel-pulling connectors and each of the wheel-pulling connectors.
4. The stepped stalk puller according to claim 1, 2 or 3, wherein the driven wheel connecting part comprises an upper connecting rod and a connecting lever, the upper end of the upper connecting rod is fixed at a corresponding position at the bottom of the frame, the connecting lever comprises an upper supporting rod, a cross connecting rod and a lower supporting rod, the lower supporting rod is positioned below the upper supporting rod, the lower end of the upper supporting rod and the upper end of the lower supporting rod are connected together through the cross connecting rod, the driven wheel positioned above in each group of pulling assemblies is mounted on the upper supporting rod in a limiting manner, the driven wheel positioned below in each group of pulling assemblies is mounted on the lower supporting rod in a limiting manner, and the upper end of the upper supporting rod and the lower end of the upper connecting rod are fixedly mounted.
5. The stepped stalk puller according to claim 1, 2 or 3, wherein the driving device comprises a gear pump and a hydraulic motor, a main rotating shaft capable of synchronously rotating with each driving wheel is arranged in the middle of each driving wheel, the hydraulic motor is mounted on the frame corresponding to the position above each driving wheel, and an output shaft of the hydraulic motor is in transmission connection with the corresponding main rotating shaft; be equipped with oil tank and gear pump in the frame, the power input shaft of gear pump is located the place ahead of frame, and the oil inlet and the oil tank intercommunication of gear pump, the oil-out of gear pump link together with each hydraulic motor's oil inlet respectively.
6. The stepped stalk puller according to claim 4, wherein the driving device comprises a gear pump and a hydraulic motor, a main rotating shaft capable of rotating synchronously with each driving wheel is arranged in the middle of each driving wheel, the hydraulic motor is mounted on the frame corresponding to the position above each driving wheel, and an output shaft of the hydraulic motor is in transmission connection with the corresponding main rotating shaft; be equipped with oil tank and gear pump in the frame, the power input shaft of gear pump is located the place ahead of frame, and the oil inlet and the oil tank intercommunication of gear pump, the oil-out of gear pump link together with each hydraulic motor's oil inlet respectively.
7. The stepped stalk puller according to claim 5, wherein the frame comprises a right side plate, a left side plate, suspension beams, an upper cross beam, a lower cross beam, support beams, front support legs and rear support legs, the left side plate and the right side plate are distributed at intervals in the left-right direction, and the upper cross beam, the lower cross beam, the support beams and the suspension beams positioned at the lower front side are connected between the left side plate and the right side plate; the suspension connecting piece comprises an upper pull seat, an upper suspension seat and a lower suspension seat, the upper portion of the suspension beam is fixed with the upper pull seat, the front side of the upper pull seat is fixed with the upper suspension seat, the front side of the suspension beam is fixed with two lower suspension seats at intervals in the left-right direction, the upper cross beam is positioned at the rear side of the upper pull seat and fixed together, and the upper side of the middle part of the suspension beam is fixedly provided with a gear pump; the lower cross beam and the support beam are positioned behind the upper cross beam, the bottom surface of the oil tank is fixedly installed with the upper cross beam and the support beam respectively, the lower cross beam is positioned below the oil tank, and each hydraulic motor is installed on the lower cross beam; the left and right sides of the front portion of the machine frame are provided with front supporting legs, the left and right sides of the rear portion of the machine frame are provided with rear supporting legs, the lower ends of the front supporting legs and the rear supporting legs are coplanar, the plane where the lower ends of the front supporting legs and the rear supporting legs are located is called a reference plane, and a distance is reserved between the reference plane and the lowest point of the belt body.
8. The stepped stalk puller according to claim 6, wherein the frame comprises a right side plate, a left side plate, suspension beams, an upper cross beam, a lower cross beam, support beams, front support legs and rear support legs, the left side plate and the right side plate are distributed at intervals in the left-right direction, the upper cross beam, the lower cross beam, the support beams and the suspension beams positioned on the front lower side are connected between the left side plate and the right side plate; the lower cross beam and the support beam are positioned behind the upper cross beam, the bottom surface of the oil tank is fixedly installed with the upper cross beam and the support beam respectively, the lower cross beam is positioned below the oil tank, and each hydraulic motor is installed on the lower cross beam; the left and right sides of the front portion of the machine frame are provided with front supporting legs, the left and right sides of the rear portion of the machine frame are provided with rear supporting legs, the lower ends of the front supporting legs and the rear supporting legs are coplanar, the plane where the lower ends of the front supporting legs and the rear supporting legs are located is called a reference plane, and a distance is reserved between the reference plane and the lowest point of the belt body.
9. The stepped stalk puller according to claim 1, 2, 3, 6, 7 or 8, wherein the outer side of the pulling wheel is provided with a rubber layer outer ring, and the rubber layer outer ring is in contact with the corresponding belt body.
10. The stepped stalk puller according to claim 4, wherein the outer side of the pulling wheel is provided with an outer rubber ring which is in contact with the corresponding belt body.
11. The stepped stalk puller according to claim 5, wherein the outer side of the pulling wheel is provided with an outer rubber ring which is in contact with the corresponding belt body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385363.6A CN109463109B (en) | 2018-11-20 | 2018-11-20 | Step type stalk pulling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385363.6A CN109463109B (en) | 2018-11-20 | 2018-11-20 | Step type stalk pulling machine |
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| CN109463109A CN109463109A (en) | 2019-03-15 |
| CN109463109B true CN109463109B (en) | 2021-09-07 |
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| CN109463109A (en) | 2019-03-15 |
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