Green leafy vegetable harvester

Abstract

The present invention relates to a green leaf vegetable harvester, comprising: a greenhouse machine frame and a green leaf vegetable harvesting device arranged thereon; the greenhouse machine frame comprises: a first guide rail and a second guide rail arranged in parallel and a gate-shaped transverse moving frame straddling the first guide rail and the second guide rail, a first moving mechanism for moving along the first and second guide rails is arranged at the bottom of a supporting frame of the gate-shaped transverse moving frame, a second moving mechanism for moving along the cross beam frame is arranged on the gate-shaped cross beam frame, a working head connecting device is arranged in a vertical direction on the second moving mechanism, and the second moving mechanism comprises a telescopic rod arranged in a vertical direction; the green leaf vegetable harvesting device comprises: a frame, the frame comprises: two support plates arranged vertically and symmetrically at intervals on both sides, the two support plates are fixed up and down by support beams respectively; a connecting head is fixedly arranged above the frame; a harvesting device and a belt conveyor are fixedly arranged below the frame, and also comprises: a driving device, which is respectively connected to the harvesting device and the conveyor by transmission.

Description

Technical Field

[0001] The invention relates to a green leaf vegetable harvester. Background Art

[0002] Vegetable production is a very important part of my country's grain production, and its output is very huge. However, the current method of harvesting vegetables is mostly manual picking, especially for green leafy vegetables. The labor workload is very heavy and the efficiency of manual picking is not high. Summary of the invention

[0003] In order to overcome the above problems, the present invention provides a green leaf vegetable harvester.

[0004] In order to achieve the above-mentioned object, the present invention comprises: a greenhouse machine frame and a green leaf vegetable harvesting device arranged on the greenhouse machine frame;

[0005] The greenhouse machine frame comprises: a first guide rail and a second guide rail arranged in parallel, and a gate-shaped transverse frame straddling the first guide rail and the second guide rail, a first moving mechanism for moving along the first and second guide rails is arranged at the bottom of the support frame of the gate-shaped transverse frame, a second moving mechanism for moving along the cross beam frame is arranged on the gate-shaped cross beam frame, a working head connecting device is arranged on the second moving mechanism in the vertical direction, and the second moving mechanism comprises a telescopic rod arranged in the vertical direction;

[0006] The green leafy vegetable harvesting device comprises: a frame, the frame comprises: two support plates arranged vertically and symmetrically at intervals on both sides, the two support plates are fixedly connected and arranged above and below by support beams respectively; a connecting head is fixedly arranged above the frame corresponding to the working head connecting device; a harvesting device is fixedly arranged below the frame, a belt conveyor device is arranged on the frame behind the harvesting device, and also comprises: a driving device, the driving device is respectively connected to the harvesting device and the conveying device through transmission.

[0007] Furthermore, the harvesting device includes: a scraping plate is fixedly arranged on the lower support beam of the frame and is inclined downward at a predetermined angle along the horizontal direction between the two support plates, a plurality of V-shaped scraping grooves are respectively spaced apart on the scraping plate, and cutting knives are respectively arranged below the scraping plate corresponding to the V-shaped scraping grooves, and also includes: a driving device, which drives the cutting knife to perform a horizontal reciprocating cutting action.

[0008] Furthermore, the driving device comprises: a power driving device fixedly arranged on the frame, and a reciprocating transmission mechanism hingedly arranged on the frame corresponding to the cutting knife;

[0009] The reciprocating transmission mechanism is a four-link mechanism, comprising: a bottom cross bar is provided on the frame below the shovel plate, a connecting rod is hingedly provided at both ends of the bottom cross bar, and a top cross bar is also provided, the top cross bar is parallel to the bottom cross bar, and is hingedly provided with the two connecting rods respectively; wherein the middle parts of the two connecting rods are hingedly provided with the middle parts of the two support plates of the frame respectively; the cutting knives are respectively fixedly provided on the bottom cross bar; the power drive device is transmission-connected with one end of the top cross bar, and an eccentric transmission device is provided between the power drive device and the top cross bar;

[0010] The eccentric transmission device comprises: an annular frame is integrally fixedly arranged on the top cross bar, and a circular rotating wheel is eccentrically fixedly arranged at the power output end of the power drive device corresponding to the annular frame; the inner diameter width of the annular frame is the diameter length of the circular rotating wheel, and the inner diameter length of the annular frame is twice the eccentric moment of the circular rotating wheel plus the diameter length of the circular rotating wheel;

[0011] It also includes: a meshing transmission device is arranged at the power output end of the power driving device corresponding to the transmission device; the power driving device drives the meshing transmission device to drive the transmission device to operate.

[0012] Furthermore, it also includes: a guide device is also arranged on the frame corresponding to the harvesting device, and the guide device includes: a guide frame is fixedly arranged on the frame above the shoveling plate, and a group of guide mechanisms are vertically arranged on the guide frame corresponding to each of the V-shaped shovel grooves on the shoveling plate.

[0013] Furthermore, the guide mechanism includes: a pair of belt conveyor groups are vertically symmetrically arranged on the guide frame on both sides of each V-shaped shovel groove, and a guide drive device drives each pair of the belt conveyor groups to run synchronously in opposite directions; on each pair of the belt conveyor groups, a plurality of elastic paddles are vertically spaced along their running direction.

[0014] Furthermore, the belt conveyor group includes: a driving shaft and a driven shaft respectively rotatably arranged on the guide frame, a conveyor belt is sleeved between the driving shaft and the driven shaft, and each of the driving shafts is respectively transmission-connected to the guide drive device; wherein the driven shaft is composed of a first driven shaft and a second driven shaft which are arranged at a predetermined angle to each other.

[0015] Furthermore, the first moving mechanism includes a first moving wheel adapted to the first guide rail and a second moving wheel adapted to the second guide rail, which are arranged at the bottom of the support frame. A driving motor for driving the first moving wheel and the second moving wheel to rotate synchronously is also arranged on the support frame.

[0016] Furthermore, a third guide rail is provided on the crossbeam frame along the length direction of the crossbeam frame; the second moving mechanism includes a moving box arranged on the crossbeam frame, a third moving wheel adapted to the third guide rail is provided at the bottom of the moving box, and a motor for driving the third moving wheel to rotate is provided in the moving box; the telescopic rod is fixedly arranged at the bottom of the moving box, and a driving device for driving the telescopic rod to extend and retract is provided in the moving box.

[0017] Furthermore, there are two first moving wheels and two second moving wheels, and the driving motor includes a first driving motor and a second driving motor; the first moving wheels are arranged at both ends of the bottom of one of the support frames of the gate-shaped transverse frame, and the second moving wheels are arranged at both ends of the bottom of the other support frame of the gate-shaped transverse frame; the two first moving wheels and the output shaft of the first driving motor are connected by belt transmission; the two second moving wheels and the output shaft of the second driving motor are connected by belt transmission.

[0018] The beneficial effects of the present invention are: by controlling the driving device to drive the harvesting device to move back and forth horizontally on the frame, the V-shaped shovel groove on the shovel plate of the harvesting device cooperates with the cutting knife on the bottom cross bar to harvest the green leafy vegetables in the field, and the conveying device is used to convey and harvest the green leafy vegetables. The harvested green leafy vegetables are guided by the guide device on the shovel plate to avoid being squeezed and damaged. The present invention has a simple structure and can greatly improve the harvesting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention in an embodiment.

[0020] Figure 2 It is a front view of a green leaf vegetable harvesting device in an embodiment of the present invention.

[0021] Figure 3 It is a right side view of the green leaf vegetable harvesting device in an embodiment of the present invention.

[0022] Figure 4 It is a left side view of the green leaf vegetable harvesting device in an embodiment of the present invention.

[0023] Figure 5 BB is a cross-sectional view of the green leaf vegetable harvesting device in an embodiment of the present invention.

[0024] Figure 6 3 is a CC cross-sectional view of a green leaf vegetable harvesting device in an embodiment of the present invention.

[0025] Figure 7 DD is a cross-sectional view of a green leaf vegetable harvesting device in an embodiment of the present invention.

[0026] Figure 8 FF sectional view of the green leaf vegetable harvesting device in an embodiment of the present invention.

[0027] In the figure, 1. frame, 2. harvesting device, 201. shovel plate, 202. V-shaped shovel groove, 203-1. bottom cross bar, 203-2. connecting rod, 203-3. top cross bar, 204. cutting knife, 206. eccentric transmission device 3. transmission device, 301. active transmission roller assembly, 302. driven transmission roller assembly, 303. meshing transmission device, 303-1. meshing transmission shaft, 303-2. first transmission wheel, 303-3. second transmission wheel, 303-4. bevel gear, 4. driving device, 5. Connector, 6. Guide device, 601. Guide frame, 602. Belt conveyor assembly, 602-1. Driving shaft, 602-2. Driven shaft, 602-3. Conveyor belt, 603. Guide drive motor, 604. Elastic paddle, 11. Support frame, 12. Crossbeam frame, 13. First moving wheel, 14. Second moving wheel, 15. Drive motor, 16. Moving box, 17. Third moving wheel, 18. Motor, 19. Wire, 21. Gate-shaped transverse frame, 22. Control box, 24. Telescopic rod. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Example 1

[0030] Embodiment 1 is one of the structures of the present invention, such as Figure 1 As shown, it includes: a greenhouse machine frame and a green leaf vegetable harvesting device arranged on the greenhouse machine frame;

[0031] The greenhouse machine frame includes: a first guide rail and a second guide rail arranged in parallel, and a gate-shaped transverse frame straddling the first guide rail and the second guide rail, a first moving mechanism for moving along the first and second guide rails is arranged at the bottom of the support frame of the gate-shaped transverse frame, a second moving mechanism for moving along the cross beam frame is arranged on the gate-shaped cross beam frame, a working head connecting device is arranged on the second moving mechanism along the vertical direction, and the second moving mechanism includes a telescopic rod 24 arranged along the vertical direction;

[0032] In this embodiment 1, the first moving mechanism includes a first moving wheel 13 and a second moving wheel 14 that are adapted to the second guide rail and are arranged at the bottom of the support frame 11. A driving motor 15 that drives the first moving wheel and the second moving wheel to rotate synchronously is also arranged on the support frame; specifically, there are two first moving wheels and two second moving wheels, and the driving motor includes a first driving motor and a second driving motor; the first moving wheel is arranged at both ends of the bottom of one of the support frames of the gate-shaped transverse moving frame, and the second moving wheel is arranged at both ends of the bottom of the other support frame of the gate-shaped transverse moving frame 21; the two first moving wheels and the output shaft of the first driving motor are connected by a belt drive; the two second moving wheels and the output shaft of the second driving motor are connected by a belt drive.

[0033] A third guide rail is arranged on the crossbeam frame 12 along the length direction of the crossbeam frame 12; the second moving mechanism includes a moving box 16 arranged on the crossbeam frame 12, a third moving wheel 17 adapted to the third guide rail is arranged at the bottom of the moving box 16, and a telescopic rod 24 is arranged at the bottom of the moving box 16 along the vertical direction; a motor 18 for driving the third moving wheel 17 to rotate is arranged in the moving box 16, and a control box 22 for controlling the motor is also arranged on the support frame 11 of the gate-shaped transverse frame 21, and the controller in the control box 22 is electrically connected to the motor through a wire 19.

[0034] like Figure 2 As shown, the green leafy vegetable harvesting device includes: a frame 1, the frame 1 includes: two support plates arranged vertically and symmetrically at intervals on both sides, the two support plates are fixedly connected by support beams above and below; a connecting head 5 is fixedly provided above the frame 1 corresponding to the working head connecting device; a harvesting device 2 is fixedly provided below the frame 1, and a belt conveyor 3 is provided on the frame 1 behind the harvesting device 1.

[0035] Example 2

[0036] In this embodiment 2, Figure 2 As shown, the harvesting device 2 includes: a scraping plate 201 is fixedly arranged on the lower support beam of the frame 1 and tilted downward at a predetermined angle along the horizontal direction between the two support plates, a plurality of V-shaped scraping grooves 202 are arranged on the scraping plate 201 at intervals, and cutting knives 204 are arranged below the scraping plate 201 corresponding to the V-shaped scraping grooves 202, and also includes: a driving device 4, the driving device 4 drives the cutting knife 204 to perform a horizontal reciprocating cutting action. Among them, the driving device 4 is set as a driving motor.

[0037] like Figure 3 As shown in FIG. 4 , the conveying device 3 includes: a belt roller conveying mechanism is fixedly provided on the frame 1 corresponding to the shoveling plate 201, and the driving motor is transmission-connected with the belt roller transmission mechanism.

[0038] In the present embodiment 2, a four-bar linkage is hingedly provided on the frame 1 corresponding to the cutting knife 204, and the four-bar linkage includes: a bottom cross bar 203-1 is passed through the frame 1 below the scraping plate 201, and a connecting rod 203-2 is hingedly provided at both ends of the bottom cross bar 203-1, and also includes a top cross bar 203-3, the top cross bar 203-3 is parallel to the bottom cross bar 203-1, and is hingedly provided with the two connecting rods 203-2 respectively; wherein the middle parts of the two connecting rods 203-2 are hingedly provided with the middle parts of the two support plates of the frame 1 respectively; the cutting knives 204 are fixedly provided on the bottom cross bar 203-1 respectively; the driving motor is transmission-connected to one end of the top cross bar 203-3, and drives the top cross bar 203-3 to move back and forth laterally.

[0039] Among them, an eccentric transmission device 206 is arranged between the driving motor and the top cross bar 203-3, and the eccentric transmission device 206 includes: an annular frame 206-2 is integrally fixedly arranged on the top cross bar 203-3, and a circular rotating wheel 206-1 is eccentrically fixedly arranged on the power output shaft of the driving motor corresponding to the annular frame 206-2; wherein, the inner diameter width of the annular frame 206-2 is the diameter length of the circular rotating wheel 206-1, and the inner diameter length of the annular frame 206-2 is twice the eccentric moment of the circular rotating wheel plus the diameter length of the circular rotating wheel 206-1.

[0040] Through the above structure, the driving motor is used to drive the circular rotating wheel 206-1 to make eccentric circular motion in the annular frame 206-2, and the top cross bar 203-3 integrally arranged therewith is driven to move back and forth laterally through the annular frame 206-2. The two connecting rods 203-2 hinged therewith are driven to drive the bottom cross bar 203-1 to move back and forth laterally relative to the shoveling plate 201. The V-shaped shovel groove 202 on the shoveling plate 201 cooperates with the cutting knife 204 on the bottom cross bar 203-1 to achieve cutting of green leafy vegetables.

[0041] Example 3

[0042] Embodiment 3 is a modified structure of Embodiment 2, and the difference between it and Embodiment 2 is that: Figure 3 ,4, the conveying device 3 is arranged on the frame 1 behind the side of the shovel plate 201 which is inclined upward, and includes: an active conveying roller assembly 301 and a driven conveying roller assembly 302 are rotatably arranged on the frame 1, and a conveyor belt is sleeved between the active conveying roller assembly 301 and the driven conveying roller assembly 302 corresponding to the shovel plate 201, wherein the above-mentioned driving motor is connected to the active conveying roller assembly 301 through a meshing transmission device 303;

[0043] like Figure 7,8, the active conveying roller assembly 301 includes: an active transmission shaft rotatably arranged on the frame 1 through a bearing device, and a driving wheel is fixedly arranged on the active transmission shaft; the driven conveying roller assembly 302 includes: a driven transmission shaft rotatably arranged on the frame 1 through a bearing device, and a driven wheel is fixedly arranged on the driven transmission shaft; a conveyor belt is sleeved between the active wheel and the driven wheel corresponding to the shovel plate 201; the driven wheel is driven to rotate by the active wheel, and the harvested green leafy vegetables are conveyed by the conveyor belt;

[0044] In the present embodiment 3, the meshing transmission device 303 comprises: a meshing transmission shaft 303-1 is coaxially arranged on the frame 1 with the active transmission roller assembly 303 and is rotatably arranged parallel to the power output shaft of the driving motor; a first transmission wheel 303-2 is fixedly arranged on the power output shaft of the driving motor; a second transmission wheel 303-3 is fixedly arranged on the meshing transmission shaft 303-1 corresponding to the first transmission wheel 303-2; wherein the first and second transmission wheels are connected through another conveyor belt transmission, and the meshing transmission shaft A pair of meshing bevel gears 303-4 are respectively arranged on one end of 303-1 and the corresponding driving transmission shaft of the driving conveying roller assembly 301; the first transmission wheel 303-2 is driven to rotate in turn by the driving motor, and the first transmission wheel 303-2 drives the second transmission wheel 303-3 and the meshing transmission shaft 303-1 to rotate together through the conveyor belt, so that the meshing transmission shaft 303-1 and the driving transmission shaft of the driving conveying roller assembly 301 are meshed and transmitted through the bevel gear 303-4. In this embodiment 3, through the above structure, the operation of the harvesting device and the conveying device is controlled by the driving motor.

[0045] Example 4

[0046] Embodiment 4 is a modified structure of embodiment 3. The difference between embodiment 4 and embodiment 3 is that a guide device 6 is further provided on the frame 1 corresponding to the harvesting device 2.

[0047] like Figure 5 As shown in FIG. 6 , the guide device 1 includes: a guide frame 601 is fixedly arranged on the frame 1 above the scraping plate 201, and a group of guide mechanisms are vertically arranged on the guide frame 601 corresponding to each V-shaped scraping groove 202 on the scraping plate 201.

[0048] In this embodiment 4, the guide mechanism includes: a pair of belt conveyor groups 602 are vertically and symmetrically arranged on the guide frame 601 on both sides of each V-shaped shovel groove 202, and a guide drive motor 603 drives each pair of belt conveyor groups 602 to run synchronously in opposite directions; on each pair of belt conveyor groups 602, a plurality of elastic paddles 604 are vertically and spaced apart along the running direction. The elastic paddles 604 are arranged in a sheet or cylindrical structure and can be made of silicone;

[0049] In this embodiment 4, the belt conveyor group 602 includes: a driving shaft 602-1 and a driven shaft 602-2 which are respectively rotatably arranged on the guide frame 601, a conveyor belt 602-3 is sleeved between the driving shaft 602-1 and the driven shaft 602-2, and each driving shaft 602-1 is respectively connected to the guide drive motor 603 in a transmission manner; wherein the driven shaft 602-2 is composed of a first driven shaft and a second driven shaft which are arranged at a predetermined angle to each other. wherein the two groups of driven shafts 602-2 in each pair of belt conveyor groups 602, respectively, form a V-shaped guide structure at the feed port through the design of the first driven shaft and the second driven shaft which are arranged at a predetermined angle, which is conducive to the feeding operation of green leafy vegetables of different sizes.

[0050] In this embodiment 4, Figure 5 As shown in FIG. 6 , the guide drive motor 603 is connected to one of the active shafts 602-1 on the guide frame 601 through another pulley transmission device, wherein the two active shafts 602-1 in each pair of belt conveyor groups 602 are meshed and transmitted through a pair of synchronous transmission gear sets, and each adjacent belt conveyor group 602 is meshed and transmitted through another pair of synchronous transmission gear sets. Through the above structure, the guide drive motor 603 can respectively drive the two active shafts 602-1 of each pair of belt conveyor groups 602 to synchronously drive toward each other, and respectively cooperate with the corresponding driven shafts 602-2 to drive the two conveyor belts 602-3 thereon to rotate toward each other in a circular manner, and use the elastic paddles 604 on the two conveyor belts 602-3 to clamp the green leafy vegetables to avoid collapse and damage of the vegetables during the harvesting process.

Claims

1. A leafy vegetable harvester, characterized in that: include: A greenhouse machine frame and a green leaf vegetable harvesting device arranged on the greenhouse machine frame; The greenhouse machine frame comprises: a first guide rail and a second guide rail arranged in parallel, and a gate-shaped transverse frame straddling the first guide rail and the second guide rail, a first moving mechanism for moving along the first and second guide rails is arranged at the bottom of the support frame of the gate-shaped transverse frame, a second moving mechanism for moving along the transverse frame is arranged on the gate-shaped transverse frame, a working head connecting device is arranged in the vertical direction on the second moving mechanism, and the second moving mechanism comprises a telescopic rod arranged in the vertical direction; The green leaf vegetable harvesting device comprises: a frame, wherein the frame comprises: two support plates arranged vertically and symmetrically at intervals on both sides, wherein the two support plates are fixedly connected and arranged by support beams respectively; a connecting head is fixedly arranged above the frame corresponding to the working head connecting device; a harvesting device is fixedly arranged below the frame, and a belt conveyor device is arranged on the frame behind the harvesting device; The harvesting device comprises: a shoveling plate is fixedly arranged on the lower support beam of the frame and tilted downward at a predetermined angle along the horizontal direction between the two support plates, a plurality of V-shaped shoveling grooves are respectively arranged on the shoveling plate, and cutting knives are respectively arranged below the shoveling plate and corresponding to the V-shaped shoveling grooves, and also comprises: a driving device, wherein the driving device drives the cutting knife to perform a horizontal reciprocating cutting action; The first moving mechanism includes a first moving wheel and a second moving wheel provided at the bottom of the support frame and adapted to the first guide rail, and a second moving wheel and a second guide rail, and a driving motor for driving the first and second moving wheels to rotate synchronously is also provided on the support frame.

2. The leafy vegetable harvester according to claim 1, characterized in that: The driving device comprises: a power driving device fixedly arranged on the frame, and a reciprocating transmission mechanism hingedly arranged on the frame corresponding to the cutting knife; The reciprocating transmission mechanism is a four-link mechanism, comprising: a bottom cross bar is provided on the frame below the shovel plate, a connecting rod is hingedly provided at both ends of the bottom cross bar, and a top cross bar is also provided, the top cross bar is parallel to the bottom cross bar, and is hingedly provided with the two connecting rods respectively; wherein the middle parts of the two connecting rods are hingedly provided with the middle parts of the two support plates of the frame respectively; the cutting knives are respectively fixedly provided on the bottom cross bar; the power drive device is transmission-connected with one end of the top cross bar, and an eccentric transmission device is provided between the power drive device and the top cross bar; The eccentric transmission device comprises: an annular frame is integrally fixedly arranged on the top cross bar, and a circular rotating wheel is eccentrically fixedly arranged at the power output end of the power drive device corresponding to the annular frame; the inner diameter width of the annular frame is the diameter length of the circular rotating wheel, and the inner diameter length of the annular frame is twice the eccentric moment of the circular rotating wheel plus the diameter length of the circular rotating wheel; It also includes: a meshing transmission device is arranged at the power output end of the power driving device corresponding to the transmission device; the power driving device drives the meshing transmission device to drive the transmission device to operate.

3. The leafy vegetable harvester according to claim 1, characterized in that: Also includes: A guide device is also arranged on the frame corresponding to the harvesting device, and the guide device comprises: a guide frame is fixedly arranged on the frame above the shoveling plate, and a group of guide mechanisms are vertically arranged on the guide frame corresponding to each V-shaped shoveling groove on the shoveling plate.

4. The leafy vegetable harvester according to claim 3, characterized in that: The guide mechanism includes: a pair of belt conveyor groups are vertically symmetrically arranged on the guide frame on both sides of each V-shaped shovel groove, and a guide drive device drives each pair of belt conveyor groups to run synchronously in opposite directions; on each pair of belt conveyor groups, a plurality of elastic paddles are vertically spaced along their running direction.

5. The leafy vegetable harvester according to claim 4, characterized in that: The belt conveyor group includes: a driving shaft and a driven shaft respectively rotatably arranged on the guide frame, a conveyor belt is sleeved between the driving shaft and the driven shaft, and each of the driving shafts is respectively connected to the guide drive device in a transmission manner; wherein the driven shaft is composed of a first driven shaft and a second driven shaft which are arranged at a predetermined angle to each other.

6. The leafy vegetable harvester according to claim 1, characterized in that: A third guide rail is arranged on the transverse frame along the length direction of the transverse frame; the second moving mechanism includes a moving box arranged on the transverse frame, a third moving wheel adapted to the third guide rail is arranged at the bottom of the moving box, and a motor for driving the third moving wheel to rotate is arranged in the moving box; the telescopic rod is fixedly arranged at the bottom of the moving box, and a driving device for driving the telescopic rod to extend and retract is arranged in the moving box.

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