CN116806542A - Traction type melon beating and seed picking integrated machine - Google Patents

Abstract

The application relates to the technical field of melon harvesting machinery, in particular to a traction type melon picking and seed picking integrated machine which comprises a frame, a nail roller picking device, a feeding device, a force adjusting crushing device, a seed picking and separating device, a seed collecting device and a transmission device, wherein a traction frame capable of being connected with a tractor is arranged at the front end of the frame, a travelling wheel is arranged at the lower end of the middle part of the frame, and a nail roller picking device capable of binding nail teeth of a melon is arranged at the rear end of the frame. The application has reasonable and compact structure and convenient use, can crush the melon by the force-adjusting crushing device which can crush the melon and prevent blockage, separates grains by the separating roller device with the shaftless roller, can effectively prevent vines from winding and blocking equipment, and has the characteristics of safety, labor saving, simplicity and high efficiency.

Description

Traction type melon beating and seed picking integrated machine

Technical Field

The application relates to the technical field of melon harvesting machinery, in particular to a traction type melon picking and seed picking integrated machine.

Background

At present, as more sundries such as rattan and the like exist in the melon field, when the nail roller type picking device is used for picking melons, the rattan is easy to wind on the crushing shaft and enter the separating roller device, stones and the like in the field can enter the crushing device and are crushed, broken stones are easy to damage the crushing device, the entering rattan is easy to clamp the harvesting machinery, the harvesting machinery cannot work normally, workers are required to take out the rattan manually, time and labor are wasted, labor intensity is high, working efficiency is low, and potential safety hazards exist.

Disclosure of Invention

The application aims to provide a traction type melon picking and seed taking integrated machine, which overcomes the defects of the prior art, and can effectively solve the problems that the existing nail roller type picking device is easy to be stuck by winding of vines, and the manual treatment is time-consuming and labor-consuming, has lower working efficiency and has potential safety hazard.

The purpose of the application is realized in the following way: the utility model provides a pull type melon is beaten and is picked up pick-up seed all-in-one, includes frame, nail roller pickup apparatus, loading attachment, power adjustment breaker, gets seed separator, seed collection device and transmission, and the front end of frame is equipped with the traction frame that can be connected with the tractor, and the middle part lower extreme of frame is equipped with the walking wheel, and the rear end of frame is equipped with the nail roller pickup apparatus that can prick the nail tooth of beating the melon, is equipped with in the frame of nail roller pickup apparatus the front upper place, it includes and gets melon broach, has the feeder hopper and the spiral elevator of horizontal auger to get the melon device, is equipped with the power adjustment breaker that can break the melon and prevent the jam in the frame of nail roller pickup apparatus the place ahead, and the feed inlet of power adjustment breaker is located spiral elevator's discharge gate below, and power adjustment breaker includes dead axle crushing roller, power adjustment breaker and push roller, and the interval between the dead axle crushing roller can be adjusted to get the nail tooth, is equipped with in the frame in front of power adjustment breaker, gets seed separator including having no shaft drum separator and seed separator, seed separator that get seed separator and seed separator, be equipped with seed separator on the transmission that separate with seed separator, the seed separator that gets the seed separator.

The following are further optimizations and/or improvements to the technical solutions of the above application:

further, the nail roller picking device comprises a nail roller rotating shaft, a left wheel ring, a right wheel ring, a nail tooth roller, spokes, a nail roller hub and a rattan poking rotating shaft; the left part and the right part of the nail roller rotating shaft are respectively arranged on the frame through bearing seats, a left wheel ring and a right wheel ring are respectively positioned on the left side and the right side of the nail tooth roller, nail teeth are uniformly distributed on the outer side surface of the nail tooth roller, the outer ends of spokes are fixedly connected on the inner side surfaces of the left wheel ring, the right wheel ring and the nail tooth roller, the inner ends of spokes are fixedly connected on the outer side surface of a nail roller hub, the middle part of the nail roller hub is provided with a shaft hole and is fixedly arranged on the nail roller rotating shaft through the shaft hole, and protrusions capable of increasing friction force are distributed on the outer side surfaces of the left wheel ring and the right wheel ring; the rattan poking rotary shaft is arranged on the frame in front of the spike-tooth roller, the rattan poking shaft driving wheel is arranged at the right end of the rattan poking rotary shaft, and the rattan poking shaft driving wheel is connected with the transmission device and can drive the rattan poking rotary shaft to rotate. Friction force between the driving land wheel and the ground can be increased through the protrusions, and the nail roller pick-up device is guaranteed to normally rotate to pick up melons.

Further, get melon device and include the feeding guide slot, it has the melon broach to get through frame fixed mounting to correspond the front upper position of spike-tooth cylinder, get the melon broach and include not less than two broach, the position of each broach is corresponding with the position in spike-tooth clearance respectively, the front end of broach is towards the front lower part of spike-tooth cylinder, the distance between the rear end of broach and the spike tooth is less than the length of spike-tooth, get fixedly mounted in the frame in spike-tooth front has the feeding guide slot along controlling direction and opening ascending, be equipped with the feeder hopper in the frame of feeding guide slot front end, the inside horizontal auger that is equipped with of feeder hopper along controlling direction, the pivot right-hand member fixed mounting of horizontal auger has the auger drive wheel that can be connected with transmission, the left end of feeder hopper is equipped with the export and installs the spiral elevator, the pivot lower extreme fixed mounting of spiral elevator has the lift drive wheel that can be connected with transmission, the upper portion of spiral elevator is equipped with the discharge gate that can carry the material to the feed inlet of power adjustment breaker.

Further, the force-adjusting crushing device comprises a crusher shell and a guide cylinder, the crusher shell is trapezoid with a small bottom and a large top, a feed inlet is arranged at the upper end of the crusher shell, the guide cylinder is fixed at the outlet of the lower end of the crusher shell, the outlet of the guide cylinder extends forwards and downwards and can output materials to the separating cylinder device, a fixed shaft crushing roller is arranged at the front upper part of an inner cavity of the crusher shell, oblong holes are respectively arranged on left and right side plates of the crusher shell behind the fixed shaft crushing roller, the middle part of the force-adjusting crushing roller is positioned in the inner cavity of the crusher shell and can roll with the fixed shaft crushing roller to crush and crush melon, the left and right sides of a rotating shaft of the force-adjusting crushing roller are respectively arranged in the oblong holes, elastic arm supports are respectively arranged at the left and right sides of the rotating shaft of the force-adjusting crushing roller, the elastic arm supports comprise an adjusting rotating arm, an adjusting spring and an elastic push rod, the lower end of the adjusting rotating arm is hinged on a frame, the upper end of the adjusting radial arm is provided with a bearing and is provided with a rotating shaft of the force-adjusting crushing roller, the rear end of the upper part of the adjusting radial arm is provided with a push rod ear seat and is provided with an elastic push rod, the front end of the elastic push rod is hinged on the push rod ear seat, the front part of the elastic push rod is provided with an adjusting nut, the outer side of the middle part of the elastic push rod is sleeved with an adjusting spring, the front end of the adjusting spring is tightly pressed on the adjusting nut, a rack behind the force-adjusting crushing roller is fixedly provided with a spring seat frame, the position of the spring seat frame corresponding to the rear end of the elastic push rod is provided with a push rod hole, the rear end of the adjusting spring is tightly pressed on the spring seat frame, the rear ends of the elastic push rod are sleeved in the push rod holes of the spring seat frame, the outer circular faces of the roller bodies of the fixed shaft crushing roller and the force-adjusting crushing roller are respectively fixedly provided with toothed plate ring groups, the toothed plate ring groups are not less than two groups and are arranged at equal intervals along the axial direction of the crushing roller, each toothed plate ring group comprises at least three crushing toothed plates which are uniformly arranged at intervals, each crushing toothed plate is an isosceles triangle with arc-shaped top angles, each crushing toothed plate on two adjacent toothed plate ring groups is aligned, the right end of a rotating shaft of a fixed shaft crushing roller is fixedly provided with a fixed roller driving wheel, the right end of the rotating shaft of a pushing roller is fixedly provided with a pushing roller driving wheel, and the pushing roller driving wheel is connected with the fixed roller driving wheel through a transmission chain.

Further, the pushing roller comprises a pushing roller shaft and at least three groups of arc rod stirring groups, wherein the arc rod stirring groups are uniformly and symmetrically arranged along the center of the section of the pushing roller shaft, each arc rod stirring group comprises at least two arc rod stirring heads which are arranged along the length direction of the pushing roller shaft, each arc rod stirring head is in a parabolic shape, an opening of each parabolic shape faces the axis of the pushing roller shaft, and the height of the vertex of each parabolic shape is 80-120 mm.

Further, the separating drum device comprises a concave arc screen plate, a left rear carrier roller, a right rear carrier roller, a left front carrier roller and a right front carrier roller, the concave arc screen plate is fixedly installed at the front part of the frame, a shaftless drum which is obliquely arranged along the back high and front low direction is installed on the frame at the upper part of the inner cavity of the concave arc screen plate, the rear part of the lower end of the inner cavity of the concave arc screen plate is provided with a discharge hole and is provided with an oblique auger which can convey materials to the separating and drying device, the rear port of the shaftless drum is provided with a feeding guide hole and is communicated with an outlet of the force adjusting crushing device, the front port of the shaftless drum is provided with a waste guide outlet which can discharge melon skin and melon pulp, a leather conveyor belt which can convey melon skin and melon pulp to the side of the device is arranged on the frame corresponding to the position of the waste guide outlet, the shaftless drum comprises a drum body, a rear flange ring groove and a front flange ring groove, the sieve mesh of the drum body is fixedly provided with a rear flange ring groove, the front end of the drum body is fixedly provided with a front flange ring groove corresponding to the front carrier roller, the left ring groove is arranged at the position corresponding to the rear carrier roller, the left and the right ring groove is arranged at the position corresponding to the left and the right lower side of the frame, and the left side of the frame is provided with a rotary shaft groove corresponding to the left ring groove, and the right ring groove is correspondingly arranged at the position of the front carrier roller, and the front carrier roller is correspondingly arranged on the frame and the frame.

Further, the separation spin-drying device comprises a spin-drying net barrel and spin-drying rotating shafts, the spin-drying net barrels are respectively and fixedly installed on a frame at the lower positions of the left side and the right side of the separation drum device, the spin-drying rotating shafts are respectively installed in the spin-drying net barrels, the middle part of each spin-drying rotating shaft is fixedly provided with at least three groups of spin-drying head row groups, the spin-drying head row groups are uniformly and symmetrically arranged along the center of the cross section of the spin-drying rotating shaft, each spin-drying head row group comprises at least two arc rod spin-drying heads which are arranged along the length direction of the spin-drying rotating shaft, each arc rod spin-drying head is in a parabolic shape, an opening of the parabolic shape faces the axis of the spin-drying rotating shaft, the vertex height of the parabolic shape is 80 mm to 120 mm, the end part of the spin-drying rotating shaft extends to the rear end of the spin-drying net barrel and is fixedly provided with a separation drive shaft sprocket, the front part of the spin-drying rotating shaft extends to the front end of the spin-drying net barrel and is fixedly provided with a separation shaft front sprocket, the separation drive shaft sprocket is connected with a transmission device and can drive the spin-drying rotating shaft, the front end of the separation drive shaft is provided with a discharge shaft and a driving wheel and the front end of the driving wheel is connected with the driving wheel and the driving wheel.

Further, seed grain collection device includes the seat frame that slides, collect seed fill, lapse hydraulic cylinder and upset hydraulic cylinder, be equipped with scraper conveyor in the frame of separation cylinder device right-hand, scraper conveyor's lower extreme feed inlet is connected with the discharge gate of separation spin-drying device, scraper conveyor's upper end discharge gate is located the front portion top of collection seed fill, install the seat frame that slides through the slide rail in the frame of separation cylinder device top, install the lapse hydraulic cylinder in the frame in the seat frame place ahead that slides, the piston rod tip of lapse hydraulic cylinder is connected with the seat frame front end that slides and can drive the seat frame that slides and reciprocate, the right-hand lower extreme of collection seed fill articulates on the seat frame that slides, install the upset hydraulic cylinder in the frame of collection seed fill left, the piston rod tip of upset hydraulic cylinder is connected with collection seed fill left end upper portion and can drive collection seed fill and overturn right realization of unloading.

Further, the transmission device comprises a power input shaft, a first transmission shaft, a right transmission shaft, a rear transmission shaft, a first coupling, a second coupling, a third coupling, a middle speed changer and a lower speed changer, wherein the power input shaft is arranged on a frame below the separation drum device, the front end of the power input shaft extends to the rear of the traction frame and is provided with an external spline which can be connected with a power output shaft of the tractor, the front part of the power input shaft is fixedly provided with a front driving sprocket, the frame at the right lower part of the power input shaft is provided with the first transmission shaft, the front part of the first transmission shaft corresponding to the position of the front driving sprocket is fixedly provided with a driving sprocket and is connected with the front driving sprocket through a transmission chain, the rear part of the first transmission shaft is fixedly provided with a driving sprocket and is connected with a separation driving shaft sprocket of the separation spin-drying device through the transmission chain, the frame at the right side of the separation drum device is provided with the right transmission shaft corresponding to the spin-drying shaft sprocket, the right transmission shaft is provided with the separation shaft rear of the separation drum device, the right transmission shaft is connected with the rear sprocket through the transmission chain, the front end of the front drum is fixedly connected with the rear power input sprocket of the scraper conveyor through the transmission shaft, the front roller is rotatably arranged at the front end of the separation drum device, the front roller is rotatably connected with the rear roller is rotatably arranged at the front roller and the rear roller is rotatably connected with the front roller respectively, the lower transmission is arranged on the frame below the front part of the melon taking device, the lower transmission input shaft is arranged at the front end of the lower transmission, the rear transmission shaft is connected with the middle transmission input shaft through a second coupler, the right end of the middle transmission is provided with the middle transmission output shaft and fixedly provided with a first right driving chain wheel and a second right driving chain wheel, the lower transmission is arranged on the frame below the rear part of the middle transmission, the right end of the lower transmission is provided with the lower transmission input shaft and fixedly provided with a lower driven chain wheel, the lower driven chain wheel is connected with the first right driving chain wheel through a transmission chain, the rear end of the lower transmission is provided with the lower transmission output shaft and is connected with a lower transmission rod through a third coupler, the second right driving chain wheel is connected with auger driving wheels of the melon taking device through a transmission chain, an auger driving wheel is arranged on a rotating shaft of a transverse auger of the melon taking device corresponding to the right of the auger driving wheel, and the elevating driving wheels of the melon taking device are positioned behind the lower transmission, and the elevating driving wheels are connected with the auger driving wheels through the transmission chain.

The application has reasonable and compact structure and convenient use, can crush the melon by the force-adjusting crushing device which can crush the melon and prevent blockage, separates grains by the separating roller device with the shaftless roller, can effectively prevent vines from winding and blocking equipment, and has the characteristics of safety, labor saving, simplicity and high efficiency.

Drawings

The specific structure of the present application is shown in the following drawings and examples:

fig. 1 is a schematic front view of a preferred embodiment of the present application.

Legend: 1 is a frame, 2 is a traction frame, 3 is a travelling wheel, 4 is a spike tooth, 5 is a melon taking comb tooth, 6 is a transverse auger, 7 is a feed hopper, 8 is a spiral elevator, 9 is a fixed shaft crushing roller, 10 is a force adjusting crushing roller, 11 is a push roller, 12 is a shaftless roller, 13 is a spike roller rotating shaft, 14 is a right wheel ring, 15 is a spike tooth roller, 16 is a spoke, 17 is a spike roller hub, 18 is a rattan poking rotating shaft, 19 is a bulge, 20 is a rattan poking shaft driving wheel, 21 is a feeding guide groove, 22 is an auger driving wheel, 23 is a lifting driving wheel, 24 is a breaker shell, 25 is a guide cylinder, 26 is a slotted hole, 27 is an adjusting radial arm, 28 is an adjusting spring, 29 is an elastic push rod, 30 is a push rod ear seat, 31 is an adjusting nut, 32 is a spring seat, 33 is a crushing toothed plate, 34 is a push roller driving wheel, 35 is a push roller shaft, 36 is a push roller shaft, 37 is an arc rod stirring head, 38 is a concave arc screen, 39 is a right rear carrier roller, 40 is a right front carrier roller, 41 is an oblique auger, 42 is a skin pulp conveyer belt, 43 is a rear flange ring groove, 44 is a front flange ring groove, 45 is a right drive roller sprocket, 46 is a spin-drying net drum, 47 is a spin-drying rotary shaft, 48 is an arc rod throwing head, 49 is a separation drive shaft sprocket, 50 is a separation shaft front sprocket, 51 is a poking shaft, 52 is a poking shaft driving wheel, 53 is a sliding seat frame, 54 is a seed collecting hopper, 55 is a pushing hydraulic cylinder, 56 is a scraper conveyor, 57 is a power input shaft, 58 is a first transmission shaft, 59 is a right transmission shaft, 60 is a rear transmission shaft, 61 is a first coupling, 62 is a second coupling, 63 is a third coupling, 64 is a middle transmission, 65 is a lower transmission, 66 is an external spline, 67 is a front drive sprocket, 68 is a driving sprocket, 69 is a transmission sprocket, 70 is a separation shaft rear sprocket, 71 is a right transmission sprocket, 72 is a middle drive sprocket, 73 is a rear driven sprocket, 74 is a medium speed change input shaft, 75 is a first right drive sprocket, 76 is a second right drive sprocket, 77 is a lower driven sprocket, 78 is a lower speed change output shaft, 79 is a lower transmission rod, and 80 is an auger transmission wheel.

Description of the embodiments

The present application is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present application. The application is further described below with reference to examples and figures:

in the present application, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.

Examples: as shown in fig. 1, this towed melon is picked up and is picked up seed all-in-one includes frame 1, nail roller pickup device, loading attachment, power adjustment breaker, get seed separator, seed collection device and transmission, the front end of frame 1 is equipped with the traction frame 2 that can be connected with the tractor, the middle part lower extreme of frame 1 is equipped with walking wheel 3, the rear end of frame 1 is equipped with the nail roller pickup device that can prick nail tooth 4 of getting the melon, be equipped with the melon device on frame 1 in front of nail roller pickup device, the melon device of getting includes and gets melon broach 5, has feeder hopper 7 and the spiral elevator 8 of horizontal auger 6, be equipped with the power adjustment breaker that can break the melon and prevent the jam on frame 1 in front of nail roller pickup device, power adjustment breaker's feed inlet is located the discharge gate below of spiral elevator 8, power adjustment breaker includes dead axle breaker 9, power adjustment breaker 10 and push roller 11, power adjustment breaker 10 can adjust the interval with dead axle breaker 9, power adjustment breaker is equipped with seed separator in front of power adjustment breaker, seed separator is equipped with seed separator and seed separator is equipped with in front of the seed separator, the seed separator is taken out on the transmission, the seed separator is taken out to the seed separator, is connected with the seed separator. As shown in fig. 1, the melon is broken by the force-adjusting breaking device, so that the melon is not broken, the cleanliness of grains is ensured, the breaking degree can be adjusted by the opposite gaps of the fixed shaft breaking roller 9 and the force-adjusting breaking roller 10, the breaking requirement of the melon is met, and the working efficiency is improved. When the separating roller device with the shaftless roller 12 works, the separating roller device is stable and smooth in working, even in rotating speed, faster, cleaner and lower in failure rate, improves the picking efficiency by more than one time, and simultaneously effectively solves the problems of vines, stones and impurities.

The traction type melon and seed picking integrated machine can be further optimized or/and improved according to actual needs:

as shown in fig. 1, the spike roller picking device comprises a spike roller rotating shaft 13, a left wheel ring, a right wheel ring 14, a spike tooth roller 15, spokes 16, a spike roller hub 17 and a rattan poking rotating shaft 18; the left part and the right part of the nail roller rotating shaft 13 are respectively arranged on the frame 1 through bearing seats, a left wheel ring and a right wheel ring 14 are respectively positioned on the left side and the right side of a nail tooth roller 15, nail teeth 4 are uniformly distributed on the outer side surface of the nail tooth roller 15, the outer ends of spokes 16 are fixedly connected on the left wheel ring, the right wheel ring 14 and the inner side surface of the nail tooth roller 15, the inner ends of spokes 16 are fixedly connected on the outer side surface of a nail roller hub 17, the middle part of the nail roller hub 17 is provided with a shaft hole and is fixedly arranged on the nail roller rotating shaft 13 through the shaft hole, and protrusions 19 capable of increasing friction force are distributed on the outer side surfaces of the left wheel ring and the right wheel ring 14; the machine frame 1 in front of the spike-tooth roller 15 is provided with a rattan poking rotating shaft 18, the right end of the rattan poking rotating shaft 18 is provided with a rattan poking shaft driving wheel 20, and the rattan poking shaft driving wheel 20 is connected with a transmission device and can drive the rattan poking rotating shaft 18 to rotate. The friction force between the driving land wheel and the ground can be increased through the protrusions 19, and the normal rotation of the nail roller pick-up device is ensured to pick up melons.

As shown in fig. 1, the melon picking device comprises a feeding guide groove 21, melon picking comb teeth 5 are fixedly arranged above the front positions of corresponding spike tooth rollers 15 through a frame 1, each melon picking comb tooth 5 comprises at least two comb racks, the positions of each comb rack correspond to the positions of the gaps between spike teeth, the front ends of the comb racks face the front lower sides of the spike tooth rollers 15, the distance between the rear ends of the comb racks and the spike teeth 4 is smaller than the length of the spike teeth 4, the feeding guide groove 21 which is in the left-right direction and is provided with an upward opening is fixedly arranged on the frame 1 in front of each melon picking comb tooth 5, a feed hopper 7 is arranged on the frame 1 at the front end of the feeding guide groove 21, a packing auger driving wheel 22 which can be connected with a transmission device is fixedly arranged inside the feed hopper 7, an outlet is arranged at the left end of each feed hopper 7, a spiral elevator 8 is arranged at the left end of each feed hopper 7, a lifting driving wheel 23 which can be connected with the transmission device is fixedly arranged at the lower end of each rotating shaft of each spiral elevator 8, and a material crushing device which can be conveyed to the material crushing device is arranged at the upper part of each spiral elevator 8. Melon that gets on melon broach 5 and nail roller pickup device cooperation work can be taken down and send into feeding guide slot 21 with the melon that pricks on nail roller pickup device's nail tooth 4, later through horizontal auger 6 and spiral elevator 8 conveying to transfer power breaker.

As shown in fig. 1, the force-adjusting crushing device comprises a crusher shell 24 and a guide cylinder 25, wherein the crusher shell 24 is in a trapezoid shape with a small lower part and a large upper part, a feed inlet is arranged at the upper end of the crusher shell 24, the guide cylinder 25 is fixed at the outlet of the lower end of the crusher shell 24, the outlet of the guide cylinder 25 extends forwards and downwards and can output materials to a separation roller device, a fixed-shaft crushing roller 9 is arranged at the front upper part of an inner cavity of the crusher shell 24, long round holes 26 are respectively arranged on left and right side plates of the crusher shell 24 behind the fixed-shaft crushing roller 9, the middle part of the force-adjusting crushing roller 10 is positioned in the inner cavity of the crusher shell 24 and can rotate with the fixed-shaft crushing roller 9 to crush and crush melon seeds, the left and right sides of a rotating shaft of the force-adjusting crushing roller 10 are respectively arranged in the long round holes 26, the left and right sides of the rotating shaft of the force-adjusting crushing roller 10 are respectively provided with elastic arm frames, the elastic arm frames comprise an adjusting rotating arm 27, an adjusting spring 28 and an elastic push rod 29, the lower end of the adjusting radial arm 27 is hinged on the frame 1, the upper end of the adjusting radial arm 27 is provided with a bearing and is provided with a rotating shaft of the force-adjusting crushing roller 10, the rear end of the upper part of the adjusting radial arm 27 is provided with a push rod ear seat 30 and is provided with an elastic push rod 29, the front end of the elastic push rod 29 is hinged on the push rod ear seat 30, the front part of the elastic push rod 29 is provided with an adjusting nut 31, the middle outer side of the elastic push rod 29 is sleeved with an adjusting spring 28, the front end of the adjusting spring 28 is tightly pressed on the adjusting nut 31, the frame 1 behind the force-adjusting crushing roller 10 is fixedly provided with a spring seat frame 32, the position of the spring seat frame 32 corresponding to the rear end of the elastic push rod 29 is provided with a push rod hole, the rear end of the adjusting spring 28 is tightly pressed on the spring seat frame 32, the rear end of the elastic push rod 29 is sleeved in the push rod hole of the spring seat frame 32, the fixed shaft crushing roller 9 and the outer circumferential surface of the roller body of the force-adjusting crushing roller 10 are respectively fixedly provided with a toothed plate ring group, the number of the toothed plate ring groups is not less than two groups and the toothed plate ring groups are arranged at equal intervals along the axial direction of the crushing roller, each toothed plate ring group comprises not less than three crushing toothed plates 33 which are uniformly arranged at intervals, each crushing toothed plate 33 is an isosceles triangle with arc-shaped top angles, each crushing toothed plate 33 on two adjacent groups of toothed plate ring groups is arranged in an aligned manner, the right end of a rotating shaft of the fixed shaft crushing roller 9 is fixedly provided with a fixed roller driving wheel 34, the right end of the rotating shaft of the pushing roller 11 is fixedly provided with a pushing roller driving wheel 35, and the pushing roller driving wheel 35 is connected with the fixed roller driving wheel 34 through a transmission chain.

As shown in fig. 1, the pushing roller 11 includes a pushing roller shaft 36 and not less than three sets of arc rod stirring groups, wherein each arc rod stirring group is uniformly and symmetrically arranged along the center of the cross section of the pushing roller shaft 36, each arc rod stirring group includes not less than two arc rod stirring heads 37 arranged along the length direction of the pushing roller shaft 36, each arc rod stirring head 37 is in a parabolic shape, the opening of each parabolic shape faces the axis of the pushing roller shaft 36, and the height of the vertex of each parabolic shape is 80 mm to 120 mm.

As shown in fig. 1, the separating drum device comprises a concave arc screen 38, a left rear carrier roller, a right rear carrier roller 39, a left front carrier roller and a right front carrier roller 40, the front part of the frame 1 is fixedly provided with the concave arc screen 38, the frame 1 at the upper part of the inner cavity of the concave arc screen 38 is provided with a shaftless drum 12 which is obliquely arranged along the back high-front low direction through the left rear carrier roller, the right rear carrier roller 39, the left front carrier roller and the right front carrier roller 40, the rear part of the lower end of the inner cavity of the concave arc screen 38 is provided with a discharge hole and an oblique auger 41 which can convey materials to the separating and drying device, the rear port of the shaftless drum 12 is a feed guide hole and is communicated with the outlet of the force adjusting and crushing device, the front port of the shaftless drum 12 is a waste guide hole which can discharge melon skin and melon pulp, a skin and melon pulp conveying belt 42 which can convey melon skin and melon pulp to the side of the device is arranged on the frame 1 corresponding to the position of the waste guide hole, the shaftless drum 12 comprises a screen drum body, a rear flange ring groove 43 and a front flange ring groove 44, screen holes are uniformly distributed on the screen drum body, the rear flange ring groove 43 is fixed at the rear end of the screen drum body, the front end of the screen drum body is fixed with the front flange ring groove 44, a left rear carrier roller is installed on the frame 1 corresponding to the position below the left of the rear flange ring groove 43, a left driving roller chain wheel is arranged at the rear part of a rotating shaft of the left rear carrier roller, a right rear carrier roller 39 is installed on the frame 1 corresponding to the position below the right of the rear flange ring groove 43, a right driving roller chain wheel 45 is arranged at the rear part of the rotating shaft of the right rear carrier roller 39, a left front carrier roller is installed on the frame 1 corresponding to the position below the left of the front flange ring groove 44, a right front carrier roller 40 is installed on the frame 1 corresponding to the position below the right of the front flange ring groove 44, and the left driving roller chain wheel and the right driving roller chain wheel 45 are respectively connected with a transmission device and can drive the shaftless drum 12 to rotate.

As shown in fig. 1, the separation spin-drying device comprises a spin-drying net tube 46 and a spin-drying rotating shaft 47, the spin-drying net tube 46 is fixedly installed on a frame 1 at the lower positions of the left side and the right side of the separation drum device, the spin-drying rotating shafts 47 are installed in the spin-drying net tubes 46, at least three groups of spin-drying head row groups are fixed in the middle of the spin-drying rotating shaft 47, the spin-drying head row groups are uniformly and symmetrically arranged along the center of the cross section of the spin-drying rotating shaft 47, each spin-drying head row group comprises at least two arc rod spin-drying heads 48 which are arranged along the length direction of the spin-drying rotating shaft 47, the arc rod spin-drying heads 48 are parabolic, the parabolic openings face the axis of the spin-drying rotating shaft 47, the vertex height of the parabolic openings is 80-120 mm, the end of the spin-drying rotating shaft 47 extends to the rear end of the spin-drying net tube 46 and is fixedly provided with a separation drive shaft sprocket 49, the front part of the spin-drying rotating shaft 47 extends to the front end of the spin-drying net tube 46 and is fixedly provided with a separation front sprocket 50, the separation drive shaft sprocket 49 is connected with the transmission device and can drive the spin-drying drum 47 to rotate along the cross section center, the discharge shaft 52 is provided with the front end of the rotation of the spin-drying drum 52, and the front end of the rotation drum is provided with a drive wheel 52, and the front end of the rotation drum 52 is connected with the drive wheel 52. The melon pulp, melon peel and melon seeds can be effectively and automatically separated through the separating and drying device, so that the mechanical harvesting of melon seeds is realized.

As shown in fig. 1, the grain collecting device comprises a sliding seat frame 53, a grain collecting hopper 54, a pushing hydraulic cylinder 55 and a turnover hydraulic cylinder, wherein a scraper conveyor 56 is arranged on a frame 1 on the right side of the separating roller device, a lower end feed inlet of the scraper conveyor 56 is connected with a discharge outlet of the separating and drying device, an upper end discharge outlet of the scraper conveyor 56 is positioned above the front part of the grain collecting hopper 54, the sliding seat frame 53 is arranged on the frame 1 above the separating roller device through a sliding rail, the pushing hydraulic cylinder 55 is arranged on the frame 1 in front of the sliding seat frame 53, the end part of a piston rod of the pushing hydraulic cylinder 55 is connected with the front end of the sliding seat frame 53 and can drive the sliding seat frame 53 to move forwards and backwards, the lower right end of the grain collecting hopper 54 is hinged on the sliding seat frame 53, the turnover hydraulic cylinder is arranged on the frame 1 on the left side of the grain collecting hopper 54, and the end part of a piston rod of the turnover hydraulic cylinder is connected with the upper part of the left end of the grain collecting hopper 54 and can drive the grain collecting hopper 54 to turn right to realize unloading.

As shown in fig. 1, the transmission device comprises a power input shaft 57, a first transmission shaft 58, a right transmission shaft 59, a rear transmission shaft 60, a first coupler 61, a second coupler 62, a third coupler 63, a middle speed changer 64 and a lower speed changer 65, wherein the power input shaft 57 is arranged on a frame 1 below the separating drum device, the front end of the power input shaft 57 extends to the rear of a traction frame 2 and is provided with an external spline 66 which can be connected with a power output shaft of a tractor, the front part of the power input shaft 57 is fixedly provided with a front driving sprocket 67, the frame 1 below the right side of the power input shaft 57 is provided with the first transmission shaft 58, the front part of the first transmission shaft 58 corresponding to the front driving sprocket 67 is fixedly provided with a driving sprocket 68 and is connected with the front driving sprocket 67 through a transmission chain, the rear part of the first transmission shaft 58 is fixedly provided with a driving sprocket 69 and is connected with the separating driving sprocket 49 of the spin-drying device through the transmission chain, a right transmission shaft 59 is arranged on the frame 1 on the right of the rear part of the separation spin-drying device, a separation shaft rear sprocket 70 is arranged on the spin-drying rotating shaft 47 corresponding to the front part of the separation driving shaft sprocket 49, a right transmission wheel 71 is arranged on the right transmission shaft 59 and is connected with the separation shaft rear sprocket 70 through a transmission chain, the front part of the right transmission shaft 59 is connected with a power shaft of the scraper conveyor 56 through a first coupling 61, the rear end of the power input shaft 57 extends to the rear part of the separation roller device and is fixedly provided with a middle driving sprocket 72, the power input shafts 57 on the front side and the rear side of the middle driving sprocket 72 are respectively fixedly provided with a front roller driving sprocket and a rear roller driving sprocket, the front roller driving sprocket and the rear roller driving sprocket are respectively connected with a left driving roller sprocket and a right driving roller sprocket 45 of the separation roller device through transmission chains and can drive a shaftless roller 12 to rotate, a rear transmission shaft 60 is arranged on the frame 1 on the right of the front part of the force adjusting and crushing device, the front part of the rear transmission shaft 60 corresponding to the position of the middle driving sprocket 72 is provided with a rear driven sprocket 73, the rear driven sprocket 73 is connected with the middle driving sprocket 72 through a transmission chain, the frame 1 below the front part of the melon taking device is provided with the middle speed changer 64, the front end of the middle speed changer 64 is provided with a middle speed change input shaft 74, the rear transmission shaft 60 is connected with the middle speed change input shaft 74 through a second coupler 62, the right end of the middle speed changer 64 is provided with a middle speed change output shaft and is fixedly provided with a first right driving sprocket 75 and a second right driving sprocket 76, the frame 1 below the rear part of the middle speed changer 64 is provided with a lower speed changer 65, the right end of the lower speed changer 65 is provided with a lower speed change input shaft and is fixedly provided with a lower driven sprocket 77, the rear end of the lower speed changer 65 is provided with a lower speed change output shaft 78 and is connected with a lower transmission rod 79 through a third coupler 63, the second right driving sprocket 76 is connected with the auger driving wheel 22 of the melon taking device through a transmission chain, the transmission wheel 6 of the auger driving wheel 22 is fixedly provided with a first right driving sprocket 75 and a second right driving sprocket 76, the auger driving wheel 23 of the melon taking device is correspondingly arranged on the right of the auger driving wheel 22, the auger 23 is connected with the auger driving wheel 23 through a transmission 80, and the auger 23 is connected with the auger driving wheel 80.

The foregoing description is provided for the purpose of clearly illustrating the application and is not to be taken in a limiting sense. The unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations. Obvious changes and modifications which are extended by the technical proposal of the application are still within the protection scope of the application.

Claims (10)

1. The utility model provides a towed melon is beaten and is picked up seed all-in-one, its characterized in that: the seed picking device comprises a frame, a nail roller picking device, a feeding device, a force adjusting crushing device, a seed picking and separating device, a seed collecting device and a transmission device, wherein a traction frame which can be connected with a tractor is arranged at the front end of the frame, a travelling wheel is arranged at the lower end of the middle of the frame, a nail roller picking device which can prick and pick up the nail teeth of the seed picking device is arranged at the rear end of the frame, the seed picking device is arranged on the frame above the front of the nail roller picking device, the seed picking device comprises a seed picking comb, a feed hopper with a transverse auger and a spiral elevator, the frame in front of the nail roller picking device is provided with the force adjusting crushing device which can crush the seed picking device and prevent blockage, the feed inlet of the force adjusting crushing device is positioned below the discharge outlet of the spiral elevator, the force adjusting crushing device comprises a fixed shaft crushing roller, the force adjusting crushing roller and a push roller, the distance between the force adjusting crushing roller and the fixed shaft crushing roller is adjustable, the seed picking and separating device is arranged on the frame above the force adjusting device, the seed picking and separating device comprises a separating drum device with a shaftless drum and a seed picking and separating device, and the seed picking and separating device are arranged above the seed separating device, and the seed picking and separating device are respectively connected with the transmission device.

2. The traction type melon and seed picking integrated machine as set forth in claim 1, wherein: the nail roller picking device comprises a nail roller rotating shaft, a left wheel ring, a right wheel ring, a nail tooth roller, spokes, a nail roller hub and a rattan poking rotating shaft; the left part and the right part of the nail roller rotating shaft are respectively arranged on the frame through bearing seats, a left wheel ring and a right wheel ring are respectively positioned on the left side and the right side of the nail tooth roller, nail teeth are uniformly distributed on the outer side surface of the nail tooth roller, the outer ends of spokes are fixedly connected on the inner side surfaces of the left wheel ring, the right wheel ring and the nail tooth roller, the inner ends of spokes are fixedly connected on the outer side surface of a nail roller hub, the middle part of the nail roller hub is provided with a shaft hole and is fixedly arranged on the nail roller rotating shaft through the shaft hole, and protrusions capable of increasing friction force are distributed on the outer side surfaces of the left wheel ring and the right wheel ring; the rattan poking rotary shaft is arranged on the frame in front of the spike-tooth roller, the rattan poking shaft driving wheel is arranged at the right end of the rattan poking rotary shaft, and the rattan poking shaft driving wheel is connected with the transmission device and can drive the rattan poking rotary shaft to rotate. Friction force between the driving land wheel and the ground can be increased through the protrusions, and the nail roller pick-up device is guaranteed to normally rotate to pick up melons.

3. The traction type melon and seed picking integrated machine as set forth in claim 2, wherein: the melon taking device comprises a feeding guide groove, melon taking comb teeth are fixedly arranged at the upper front positions of corresponding spike tooth rollers through a frame, each melon taking comb tooth comprises at least two comb racks, the positions of each comb rack are respectively corresponding to the positions of the gaps between the spike teeth, the front ends of the comb racks face the front lower sides of the spike tooth rollers, the distance between the rear ends of the comb racks and the spike teeth is smaller than the length of the spike teeth, the feeding guide groove which is arranged on the frame in front of each melon taking comb tooth and is upward in the left-right direction and is provided with an opening, a feeding hopper is arranged on the frame at the front end of the feeding guide groove, a transverse auger is arranged inside the feeding hopper, an auger driving wheel which can be connected with a transmission device is fixedly arranged at the right end of a rotating shaft of the transverse auger, a spiral elevator is arranged at the left end of the feeding hopper, a lifting driving wheel which can be connected with the transmission device is fixedly arranged at the lower end of the rotating shaft of the spiral elevator, and a discharging port which can convey materials to a feeding port of a force adjusting crushing device is arranged at the upper part of the spiral elevator.

4. A pull-type melon and seed picking integrated machine as set forth in claim 1, 2 or 3, wherein: the force-adjusting crushing device comprises a crusher shell and a guide cylinder, wherein the crusher shell is trapezoid with a small bottom and a large top, the upper end of the crusher shell is provided with a feed inlet, the outlet of the lower end of the crusher shell is fixedly provided with the guide cylinder, the outlet of the guide cylinder extends forwards and downwards and can output materials to a separation cylinder device, a fixed-shaft crushing roller is arranged at the front upper part of an inner cavity of the crusher shell, long round holes are respectively arranged on left and right side plates of the crusher shell behind the fixed-shaft crushing roller, the middle part of the force-adjusting crushing roller is positioned in the inner cavity of the crusher shell and can roll with the fixed-shaft crushing roller to crush and crush melon, the left and right sides of a rotating shaft of the force-adjusting crushing roller are respectively arranged in the long round holes, the left and right sides of the rotating shaft of the force-adjusting crushing roller are respectively provided with an elastic arm support, the elastic arm support comprises an adjusting radial arm, an adjusting spring and an elastic push rod, the lower end of the adjusting radial arm is hinged on a frame, the upper end of the adjusting radial arm is provided with a bearing and is provided with a rotating shaft of the force-adjusting crushing roller, the rear end of the upper part of the adjusting radial arm is provided with a push rod lug seat and is provided with an elastic push rod, the front end of the elastic push rod is hinged on the push rod lug seat, the front part of the elastic push rod is provided with an adjusting nut, the outer side of the middle part of the elastic push rod is sleeved with an adjusting spring, the front end of the adjusting spring is tightly pressed on the adjusting nut, a rack behind the force-adjusting crushing roller is fixedly provided with a spring seat frame, the spring seat frame is provided with a push rod hole corresponding to the rear end of the elastic push rod, the rear end of the adjusting spring is tightly pressed on the spring seat frame, the rear ends of the elastic push rod are sleeved in the push rod hole of the spring seat frame, the roller body outer circular surfaces of the fixed shaft crushing roller and the force-adjusting crushing roller are respectively fixedly provided with toothed plate ring groups, the toothed plate ring groups are not less than two groups and are arranged at equal intervals along the axial direction of the crushing roller, each crushing toothed plate is an isosceles triangle with arc-shaped top angles, each crushing toothed plate on two adjacent toothed plate ring sets is aligned, a fixed roller driving wheel is fixed at the right end of a rotating shaft of the fixed shaft crushing roller, a push roller driving wheel is fixed at the right end of a rotating shaft of the push roller, and the push roller driving wheel is connected with the fixed roller driving wheel through a transmission chain.

5. The traction type melon and seed picking integrated machine as set forth in claim 4, wherein: the pushing roller comprises a pushing roller shaft and at least three groups of arc rod stirring groups, wherein the arc rod stirring groups are uniformly and symmetrically arranged along the center of the section of the pushing roller shaft, each arc rod stirring group comprises at least two arc rod stirring heads which are arranged along the length direction of the pushing roller shaft, each arc rod stirring head is in a parabolic shape, an opening of each parabolic shape faces the axis of the pushing roller shaft, and the vertex height of each parabolic shape is 80-120 mm.

6. The pull-type melon and seed picking integrated machine as set forth in claim 1, 2, 3 or 5, wherein: the separating roller device comprises a concave arc screen plate, a left rear carrier roller, a right rear carrier roller, a left front carrier roller and a right front carrier roller, wherein the concave arc screen plate is fixedly arranged at the front part of the frame, a shaftless roller which is obliquely arranged along the back high-front low direction is arranged on the frame at the upper part of the inner cavity of the concave arc screen plate through the left rear carrier roller, the right rear carrier roller, the left front carrier roller and the right front carrier roller, the rear part of the lower end of the inner cavity of the concave arc screen plate is provided with a discharge hole and an oblique auger which can convey materials to the separating and drying device, the rear port of the shaftless roller is a feeding guide hole and is communicated with the outlet of the force adjusting and crushing device, the front port of the shaftless roller is a waste guide hole which can discharge melon skin and melon pulp, a skin pulp conveying belt which can convey melon skin and melon pulp to the side of the device is arranged on the frame corresponding to the position of the waste guide hole, the shaftless roller comprises a screen cylinder body, a rear flange ring groove and a front flange ring groove, screen holes are uniformly distributed in the screen cylinder body, the rear end of the screen cylinder body is fixedly provided with the rear flange ring groove, a left rear roller is mounted on a frame corresponding to the left lower position of the rear flange ring groove, a left rear roller sprocket is arranged at the rear part of a rotating shaft of the left rear roller, a right rear roller is mounted on a frame corresponding to the right lower position of the rear flange ring groove, a right rear roller sprocket is arranged at the rear part of the rotating shaft of the right rear roller, a left front roller is mounted on a frame corresponding to the left lower position of the front flange ring groove, a right front roller is mounted on a frame corresponding to the right lower position of the front flange ring groove, and the left rear roller sprocket and the right rear roller sprocket are respectively connected with a transmission device and can drive the shaftless roller to rotate.

7. The traction type melon and seed picking integrated machine as set forth in claim 4, wherein: the separating roller device comprises a concave arc screen plate, a left rear carrier roller, a right rear carrier roller, a left front carrier roller and a right front carrier roller, wherein the concave arc screen plate is fixedly arranged at the front part of the frame, a shaftless roller which is obliquely arranged along the back high-front low direction is arranged on the frame at the upper part of the inner cavity of the concave arc screen plate through the left rear carrier roller, the right rear carrier roller, the left front carrier roller and the right front carrier roller, the rear part of the lower end of the inner cavity of the concave arc screen plate is provided with a discharge hole and an oblique auger which can convey materials to the separating and drying device, the rear port of the shaftless roller is a feeding guide hole and is communicated with the outlet of the force adjusting and crushing device, the front port of the shaftless roller is a waste guide hole which can discharge melon skin and melon pulp, a skin pulp conveying belt which can convey melon skin and melon pulp to the side of the device is arranged on the frame corresponding to the position of the waste guide hole, the shaftless roller comprises a screen cylinder body, a rear flange ring groove and a front flange ring groove, screen holes are uniformly distributed in the screen cylinder body, the rear end of the screen cylinder body is fixedly provided with the rear flange ring groove, a left rear roller is mounted on a frame corresponding to the left lower position of the rear flange ring groove, a left rear roller sprocket is arranged at the rear part of a rotating shaft of the left rear roller, a right rear roller is mounted on a frame corresponding to the right lower position of the rear flange ring groove, a right rear roller sprocket is arranged at the rear part of the rotating shaft of the right rear roller, a left front roller is mounted on a frame corresponding to the left lower position of the front flange ring groove, a right front roller is mounted on a frame corresponding to the right lower position of the front flange ring groove, and the left rear roller sprocket and the right rear roller sprocket are respectively connected with a transmission device and can drive the shaftless roller to rotate.

8. The pull-type melon and seed picking integrated machine according to claim 6 or 7, wherein: the separation spin-drying device comprises a spin-drying net barrel and spin-drying rotating shafts, the spin-drying net barrels are respectively and fixedly installed on a frame at the lower positions of the left side and the right side of the separation drum device, the spin-drying rotating shafts are respectively installed in the spin-drying net barrels, at least three groups of spin-drying head row groups are fixedly arranged in the middle of the spin-drying rotating shafts, the spin-drying head row groups are uniformly and symmetrically arranged along the center of the cross section of the spin-drying rotating shafts, each spin-drying head row group comprises at least two arc rod spin-drying heads which are arranged along the length direction of the spin-drying rotating shafts, each arc rod spin-drying head is in a parabolic shape, an opening of the parabolic shape faces the axis of the spin-drying rotating shaft, the vertex height of the parabolic shape is 80 mm to 120 mm, a separation driving shaft sprocket is fixedly installed at the rear end of the spin-drying net barrel, a front part of the spin-drying rotating shaft extends to the front end of the spin-drying net barrel, a separation driving shaft sprocket is fixedly installed at the front end of the spin-drying net barrel, the separation driving shaft sprocket is connected with a transmission device, the front end of the spin-drying shaft is fixedly installed at the front end of the spin-drying net barrel, the separation shaft sprocket is connected with the transmission device, the front end of the spin-drying shaft is capable of driving the spin-drying rotating shaft, the spin-drying device is provided with a discharge shaft, and the front end of the spin-drying shaft is installed, and the front end of the spin-drying shaft is capable of the spin-drying device.

9. The pull-type melon and seed picking integrated machine as set forth in claim 8, wherein: the seed grain collecting device comprises a sliding seat frame, a seed collecting hopper, a pushing hydraulic cylinder and a turnover hydraulic cylinder, wherein a scraper conveyor is arranged on a frame on the right side of the separating roller device, a lower end feed inlet of the scraper conveyor is connected with a discharge outlet of the separating and spin-drying device, an upper end discharge outlet of the scraper conveyor is positioned above the front part of the seed collecting hopper, the sliding seat frame is arranged on the frame above the separating roller device through a sliding rail, the pushing hydraulic cylinder is arranged on the frame in front of the sliding seat frame, the end part of a piston rod of the pushing hydraulic cylinder is connected with the front end of the sliding seat frame and can drive the sliding seat frame to move back and forth, the lower end of the right side of the seed collecting hopper is hinged on the sliding seat frame, the turnover hydraulic cylinder is arranged on the frame on the left side of the seed collecting hopper, and the end part of the piston rod of the turnover hydraulic cylinder is connected with the upper part of the left end of the seed collecting hopper and can drive the seed collecting hopper to turn right to realize discharging.

10. The pull-type melon and seed picking integrated machine as set forth in claim 9, wherein: the transmission device comprises a power input shaft, a first transmission shaft, a right transmission shaft, a rear transmission shaft, a first coupling, a second coupling, a third coupling, a middle transmission and a lower transmission, wherein the power input shaft is arranged on a frame below the separating drum device, the front end of the power input shaft extends to the rear of the traction frame and is provided with an external spline which can be connected with a power output shaft of a tractor, the front part of the power input shaft is fixedly provided with a front driving sprocket, the frame at the right lower part of the power input shaft is provided with the first transmission shaft, the front part of the first transmission shaft corresponding to the position of the front driving sprocket is fixedly provided with a driving sprocket and is connected with the front driving sprocket through a transmission chain, the rear part of the first transmission shaft is fixedly provided with the driving sprocket and is connected with the separating driving sprocket of the separating drum device through the transmission chain, the frame at the right transmission shaft is provided with the right transmission shaft corresponding to the front of the separating drum device, the rear end of the separating drum device is provided with the rear sprocket corresponding to the separating drum device, the front end of the front drum device is arranged on the right transmission shaft corresponding to the front of the separating drum device is arranged on the rotation shaft, the right transmission shaft is provided with the right transmission shaft corresponding to the front of the separating drum device, the front end of the front drum device is connected with the front driving sprocket through the front end of the front drum, the front drum is rotatably arranged in a rotation drum is connected with the front drum is arranged in a rotary manner to the front drum is connected with the front drum, the front drum is rotatably connected with the front drum is rotatably and is rotatably connected with the front drum is arranged in front of the front drum respectively, the lower transmission is arranged on the frame below the front part of the melon taking device, the lower transmission input shaft is arranged at the front end of the lower transmission, the rear transmission shaft is connected with the middle transmission input shaft through a second coupler, the right end of the middle transmission is provided with the middle transmission output shaft and fixedly provided with a first right driving chain wheel and a second right driving chain wheel, the lower transmission is arranged on the frame below the rear part of the middle transmission, the right end of the lower transmission is provided with the lower transmission input shaft and fixedly provided with a lower driven chain wheel, the lower driven chain wheel is connected with the first right driving chain wheel through a transmission chain, the rear end of the lower transmission is provided with the lower transmission output shaft and is connected with a lower transmission rod through a third coupler, the second right driving chain wheel is connected with auger driving wheels of the melon taking device through a transmission chain, an auger driving wheel is arranged on a rotating shaft of a transverse auger of the melon taking device corresponding to the right of the auger driving wheel, and the elevating driving wheels of the melon taking device are positioned behind the lower transmission, and the elevating driving wheels are connected with the auger driving wheels through the transmission chain.