CN211458027U - Front-mounted garlic harvester - Google Patents

Abstract

The utility model relates to a front-mounted garlic harvester, which comprises a power device and a connecting device installed at the front end of the power device. The connecting device is provided with an excavating device, a conveying device located on the discharge side of the excavating device and a connecting device located in front of the excavating device. The connecting device is also equipped with a power transmission device that is connected to the excavating device, the conveying device and the cutting device. The utility model can effectively complete the excavation task of the cut garlic and garlic through the vibration excavation device, shake the soil during transportation, and gather and remove at the end; the depth-limiting wheel part is set with a depth-limiting depth, which can be precisely adjusted; the garlic and garlic can be effectively completed The task of feeding, cutting and throwing seedlings has a low missed cutting rate; the seedlings are separated through the metal head guard and protective cover, and the garlic seedlings are guided and fed through the seedling guide strips and guide belts. When the garlic seedlings are moved to the side of the equipment, the dial wheel is turned to reduce the number of drives and make the structure arrangement more convenient.

Description

Front-mounted garlic harvester

technical field

The utility model relates to the field of agricultural machinery, in particular to a garlic harvester with a front header.

Background technique

Garlic has been cultivated in my country for more than 2,000 years. It not only has a long history of cultivation, but also has a large cultivation area and high yield. my country's garlic planting area is extensive and labor-intensive. However, garlic harvesting is a very seasonal agricultural product, and the workload is large and concentrated. At present, garlic harvesting in my country is still in a semi-mechanized state, with low work efficiency and high labor costs. Harvesting time is tight, the field working environment is relatively complex, and new agricultural machinery operators are unskilled, resulting in frequent accidents of garlic harvesters that operate frequently. For the human factors after excessive bolting or the lodging of garlic caused by natural reasons such as seasons and rainfall, it is impossible to For mechanical harvesting, the agronomic requirements for planting are not uniform in various places, and there are differences in the spacing between plants and rows. The above factors have caused the poor field adaptability of garlic harvesting machinery, and the damage rate and loss rate are high. Therefore, we developed a field adaptability, structure A simple, practical garlic harvester is extremely urgent.

Although there are two types of garlic harvesters on the market: segmented and combined, the segmented garlic harvester has a relatively simple structure, but has low work efficiency, poor field adaptability, and no function of cutting seedlings and beards. , the quality of the garlic harvested is poor, the damage rate and impurity rate are high, and a lot of processing is required in the later stage, which is labor-intensive; the garlic combine harvester has a relatively complex structure, and it is not easy for agricultural machinery operators to get started quickly in a short time. With the harvesting method of cutting seedlings, the uprightness of garlic seedlings is high, and the harvest of lodging garlic cannot be realized.

SUMMARY OF THE INVENTION

In order to solve the above problems, the utility model provides a garlic harvester with a front header. The front header can quickly cut off the garlic stems in the field, and the rear digging device can dig out the garlic and shake the soil for transportation. Gather the garlic cloves and arrange them in a straight line. The utility model adopts the harvesting method of first cutting the seedlings and then excavating, and the transmission is reasonable, which ensures the profiling and limited depth excavation at any place, the excavation device is fixed with the machine body, and the vibration excavation operation will not affect the smooth running of the harvester through a reasonable connection method. sex. The cutting and excavating harvesting operation has strong field adaptability and high stability, the harvesting operation is synchronized with the rear tractor, and has high efficiency, simple structure, convenient operation, stable work and strong popularization.

The utility model is realized through the following technical solutions, and provides a garlic harvester with a front header, which includes a power device and a connection device installed at the front end of the power device. The conveying device on the material side and the cutting device located in front of the excavating device are also installed on the connecting device with a power transmission device drivingly connected with the excavating device, the conveying device and the cutting device.

The garlic harvester of this scheme has the cutting device at the front and the excavation device at the rear, and conveys the excavated garlic through the conveying device, which is convenient for centralized processing; each part is connected with the power device through the connecting device, which is convenient for installation and maintenance. The device can be an agricultural tractor; the power is received through the power transmission device and transmitted to the excavating device, the conveying device and the cutting device. As the whole machine moves forward, the excavated garlic is conveyed backward by the conveying device, which improves the harvesting efficiency. .

As an optimization, the connecting device includes a vehicle body connecting frame fixed to the front end of the power unit and two oppositely arranged connecting plates I hinged on the vehicle body connecting frame through transverse pins, and the connecting plate I is located in front of the vehicle body connecting frame . The connecting device of this optimized scheme is connected to the front end of the power unit through the vehicle body connecting frame, and the connecting plate I can rotate around the pin shaft, so the height of each component installed on the connecting plate I can be adjusted to facilitate the adjustment of the excavation depth and the inclination angle of the soil. .

As an optimization, the excavation device is a vibration excavation device. The vibration excavation device includes a rotating shaft axially connected to the two connecting plates I and a number of eccentric wheels distributed along the axial direction and fixed to the rotating shaft. The eccentric wheel is sleeved with a transmission The transmission frame includes a ring sleeved on the eccentric wheel and a transmission rod fixedly connected with the ring; the front of the rotating shaft is provided with a connecting rod that is axially connected with the two connecting plates I, and the connecting rod is fixed with downward The blade rests extend and are respectively corresponding to the eccentric wheels, the lower part of the blade rest is hinged with the corresponding transmission rod, and the bottom end of the blade rest is fixed with a shovel blade. When this optimized solution is in use, the rotating shaft rotates to drive the eccentric wheel to rotate, and the eccentric wheel rotates to drive the eccentric movement of the ring, thereby driving the transmission rod to move back and forth periodically, which in turn drives the shovel blade holder and shovel blade to reciprocate around the connecting rod, and finally It realizes the function of vibrating loosening and excavation, which can adapt to complex geological conditions; the use of vibrating excavation device to excavate garlic heads improves the excavation effect and efficiency.

As an optimization, a plurality of guide bars fixed to the connecting plate I are arranged at the rear of the shovel blade, and a guide channel opposite to the gap between the adjacent shovel blades is formed between the adjacent guide bars. In this optimization scheme, by setting a guide bar, the excavated garlic is moved to the conveying device along the guide channel, which improves the directionality of the garlic movement.

As an optimization, the conveying device includes a conveyor belt drivingly connected with the power transmission device, and two oppositely arranged gathering plates located on the upper surface of the conveyor belt. A garlic channel is formed between the two gathering plates, and the distance between the two gathering plates gradually decreases along the conveying direction. . This optimization scheme uses the rotation of the transmission belt to transport the excavated garlic backwards. During the conveying process, the gathering plate is used to gather and guide the garlic on the transmission belt, so as to realize the centralized discharge of garlic.

Further, the conveyor belt is provided with mesh holes smaller than the size of the garlic head. In this optimization scheme, grid holes are arranged on the transmission belt, during the conveying process, it is more conducive to the soil that the garlic adheres to to fall off with the rotation of the conveyor belt, and the fallen soil leaks out of the grid holes, reducing the soil carried by the garlic.

Further, the ends with the larger distance between the two gathering plates are respectively hinged with the connecting plate I through a vertical hinge, and the two connecting plates I are fixedly connected by a cross beam. of the two fixed rods. The gathering plate of this optimized scheme is hinged with the connecting plate I through hinges, which facilitates adjustment of the angle between the two gathering plates and avoids blockage when there are too many garlic; a fixing rod is provided to limit the outward rotation of the gathering plate.

As an optimization, it also includes depth-limiting devices located on both sides of the front of the vibration excavation device. The depth-limiting devices include a square tube I fixedly connected to the connecting device and a square tube II that penetrates the square tube I downward. The square tube I The side wall of the threaded connection is threadedly connected to the locking bolt which is topped to the square tube II; the square tube II is fixed with a wheel part rotating shaft, and a limited depth wheel is installed on the wheel part rotating shaft. In this optimization scheme, the working depth can be adjusted by setting the depth limit device. When the height is adjusted, loosen the locking bolt, increase the length of the square tube II extending from the square tube I, and then tighten the locking bolt. When it needs to be lowered, loosen the locking bolt. To reduce the length of the square tube II protruding from the square tube I, then tighten the locking bolt.

As an optimization, it also includes a round cover fixed on the upper end of the square tube I and an end cover fixed on the upper end of the square tube II, and a shaking handle that passes down through the round cover and is threadedly connected to the round cover. A through hole through which the crank handle passes, and a ball located below the through hole and larger than the size of the through hole is fixedly connected to the crank handle. In this optimization scheme, when adjusting the working depth, the crank handle can be rotated, and the operation is very convenient. The threaded connection between the crank handle and the round cover can make the crank handle produce displacement in the height direction, because the ball cannot pass through the through hole on the end cover. , so the square tube II is displaced in the height direction with the handle.

As an optimization, a scale is fixed on the outer side of the square tube II. In this optimization scheme, by setting a scale, it is convenient to calibrate the balance of the depth-limiting wheels on both sides and to display the adjustment results of the depth-limiting depth.

As an optimization, the cutting device includes a support frame fixed on the front end of the connection device and a reciprocating cutter installed on the support frame, the reciprocating cutter is connected to the power transmission device in a drive; the support frame is also installed with A chain II located above the reciprocating cutter and extending along the width direction of the harvester, the chain II is in driving connection with the power transmission device, and the outer side surface of the chain II is fixedly provided with shifting teeth. This optimization plan uses the reciprocating cutter to cut the garlic seedlings, which realizes the rapid cutting of non-parallel harvesting. The rotation of the chain II drives the shifting teeth to move, and the cut garlic seedlings are moved laterally to one side of the equipment to be discharged, and the reciprocating The type cutter and the chain II share the power transmission device, which simplifies the structure, and ensures the synchronism of the cutting and the rotation of the chain to avoid wasting energy consumption.

As an optimization, several protective covers extending forward are fixedly connected to the support frame, and each protective cover is distributed at intervals along the horizontal direction, and a garlic seedling channel is formed between adjacent protective covers; A pulley with meshing teeth, a pulley I is fixed on the wheel shaft of the pulley, and a pulley II is connected to the pulley I through a guide belt on the protective cover, and the guide belt is fixed on the belt. There are several seedling guide rods extending radially outward and distributed in the circumferential direction. In this optimization scheme, the garlic seedling channel is formed by the set protective cover, which realizes the separation of the garlic seedlings and makes the cutting more orderly; the rotation of the guide belt is used to drive the seedling guide rod to move, and the garlic seedlings are moved and fed. It is beneficial to improve the cutting efficiency; when the dial teeth move the garlic seedlings to one side, the dial wheel is dialed by the dial teeth of the chain II, thereby driving the pulley I and the guide belt to rotate, reducing the number of driving devices and making the structure more compact and reasonable.

As an optimization, the front end of the protective cover is fixed with a metal head guard, and the front end of the metal head guard is a pointed end. This optimization scheme protects the front end of the protective cover by setting a metal head guard, and further improves the seedling separation effect by setting the front end of the metal head guard as a tip.

As an optimization, the protective cover is also fixed with a seedling guide bar extending to the return side of the seedling guide rod. The seedling guide bar has an arc, and the arc-shaped outer side faces the side where the picking teeth are located, and the seedling guide bar extends out of the protective cover. The distance is greater than the distance that the seedling guide sticks out of the protective cover. The return side in this optimization scheme is the side that guides the seedling stick to move around the pulley I and then moves towards the garlic seedlings to be cut. By setting the seedling guide strips, the cut off garlic seedlings move on the outer arc surface of the seedling guide strips, so as to realize the cutting of garlic seedlings. At the same time, the guide strips restrict the garlic seedlings in the front and rear directions, so as to prevent the guide strips from moving the garlic seedlings in the reverse direction.

As an optimization, a cutting force transmission device that is connected to the power transmission device is installed on the support frame. The cutting force transmission device includes a commutator fixed on the support frame and a gear I fixed on the input shaft of the commutator. And the gear II and eccentric wheel fixed on the output shaft of the commutator, the upper shaft of the eccentric wheel is connected with a roller eccentrically arranged with the output shaft of the commutator and connected with the reciprocating cutter, the gear II passes through Chain I is connected to gear III, gear IV is fixed on the axle of gear III, gear IV meshes with the chain II, and is connected to sprocket V through chain II. The commutator of this optimized scheme can be reversed by meshing bevel gears, which is convenient for receiving the power transmitted by the harvester, and the structure arrangement is more convenient. One of the centers of the gear II and the eccentric wheel is coaxially arranged. Rotation, thereby driving the roller to rotate around the output shaft of the commutator to realize the reciprocating cutting action; when the gear II rotates, the chain I drives the gear III to rotate, and then drives the gear IV to rotate, and finally drives the chain II to rotate, realizing the rotation of the chain II. power delivery.

As an optimization, gear VI is fixed on the axle of gear III. Gear VI is connected to sprocket VII through chain III. Chain III is located between chain II and the reciprocating cutter, and is parallel to chain II. There are teeth. This optimization scheme uses the rotation of gear III to drive chain III to rotate at the same time, thereby driving the teeth to move the cut garlic seedlings, and the teeth on the chain II to move the garlic seedlings at the same time, reducing the lodging of the garlic seedlings.

As an optimization, the reciprocating cutter includes a fixed blade and a locking block that are fixed relative to the support frame, and a movable blade that is slidably connected to the fixed blade. The locking block is provided with a lock extending along the cutting direction. A locking groove, the movable blade is fixed on a movable blade fixing plate slidably connected with the locking groove, a fixing plate is fixed on the movable blade fixing plate, and a strip extending along the traveling direction of the harvester is arranged on the fixing device. Rolling grooves into which the rollers are inserted. In this optimized solution, the locking block and the locking groove are arranged, so that the fixed plate of the movable blade can only move in the left and right direction, that is, the width direction of the harvesting section, so as to ensure the reliability of cutting. When in use, the roller drives the holder to move along the cutting direction. , and slides in the rolling groove along the length direction of the rolling groove, that is, the front and rear direction. When the roller rotates with the eccentric wheel, the reciprocating movement of the movable blade is realized.

The beneficial effects of the utility model are as follows: the excavation task of the cut garlic and garlic can be effectively completed by the vibrating excavation device, and the soil is shaken during the transportation process, and gathered at the end to remove; , so as to avoid the eccentric vibration affecting the smooth running of the tractor; the rotation angles of the three groups of eccentric wheels of the excavation device are 180° different from each other, and the excavation shovel moves back and forth alternately to complete the loosening excavation task, which improves the excavation efficiency; The depth can be precisely adjusted; it can effectively complete the tasks of feeding, cutting and throwing garlic and garlic seedlings, with high efficiency and low missed cutting rate; The belt realizes the guidance and feeding of the garlic seedlings, and the chain II is used to move the garlic seedlings to the side of the equipment while turning the dial wheel, which reduces the number of drives, reduces the cost, and makes the structure arrangement more convenient; power The transmission device is ingeniously set, and the entire complex cutting process can be realized only by driving the gear on the right end of the commutator to rotate.

Description of drawings

Figure 1 is the axonometric view of the whole machine structure;

Figure 2 is an axonometric view of the cutting device;

Figure 3 is a left side view of the cutting device;

Figure 4 is a top view of the cutting device;

Figure 5 is a rear view of the cutting device;

Fig. 6 is the transmission structure diagram of the eccentric wheel part;

Figure 7 is a partial view of the rolling groove and the holder driving the moving blade to move;

Figure 8 is a partial enlarged view of the cutting device;

Fig. 9 is a schematic diagram of the structure of the seedling guiding belt;

Fig. 10 is the structural representation that cooperates with the seedling guide bar;

Figure 11 is an axonometric view of the excavation device;

Figure 12 is a front view of the excavation device;

Figure 13 is a left side view of the excavation device;

Figure 14 is a top view of the excavation device;

Figure 15 is a schematic view of the structure of the transmission part of the excavation device;

16 is a sectional view I of the excavation device;

Figure 17 is a sectional view II of the excavation device;

Figure 18 is a schematic structural diagram of a depth limiting device;

In the picture: 1. Cutting device, 2. Excavation device, 3. Power device, 1001. Gear I, 1002. Commutator, 1003. Gear II, 1004. Gear III, 1005. Gear IV, 1006. Gear V, 1007 .Gear Ⅵ, 1008. Gear Ⅶ, 1009. Eccentric, 1010. Roller, 1011. Shaft groove, 1012. Fixer, 1013. Moving blade fixing plate, 1014. Locking groove, 1015. Moving blade, 1016. Fixed Blade, 1017. Fixed blade fixing plate, 1018. Fixed nail, 1019. Support frame, 1020. Chain I, 1021. Chain II, 1022. Chain III, 1023. Metal pick, 1024. Track wheel, 1025. Guide belt , 1026. Pulley I, 1027. Pulley II, 1028. Bottom plate, 1029. Protective cover, 1030. Metal head guard, 1031. Bottom frame, 1032. Support tube, 1033. Seedling guide, 1034. Guard plate I, 1035. Guard II, 1036. Guard III, 1037. Guard IV, 100. Power transmission device, 200. Connection device, 300. Vibration excavation device, 400. Depth limiting device, 500. Conveying device, 101. Hydraulic motor, 102 .Connecting frame, 103. Fixed plate I, 104. Fixed plate II, 105. Sprocket I, 106. Sprocket II, 107. Chain I, 108. Outrigger nose, 109. Chain box, 110. Rotating shaft, 201. Body connecting frame, 202. Connecting plate I, 203. Connecting plate II, 204. Connecting plate III, 205. Pin shaft, 206. Pin, 207. Guide plate, 208. Hinge, 209. Gathering plate, 210. Rotating shaft Fixer, 211. Metal conduit shaft, 212. Conduit shaft fixer, 213. Tightness adjuster, 214. Connecting rod, 215. Fixing rod, 216. Hydraulic rod, 301. Eccentric wheel, 302. Transmission frame, 303. Shovel Tool holder, 304. Fixing piece, 305. Shovel blade, 306. Fixing ring I, 307. Fixing ring II, 308. Guide strip, 309. Elastic wheel connection frame, 401. Fastening strip, 402. Round cover, 403. Square tube I, 404. Square tube II, 405. Crank handle, 406. Locking bolt, 407. Scale, 408. Bearing, 409. Depth limiter wheel, 410. Wheel shaft, 501. Sprocket III, 502. Sprocket IV, 503. Sprocket V, 504. Chain II, 505. Metal conduit conveyor belt.

Detailed ways

In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementations in conjunction with FIGS. 1 to 18 .

A header-front garlic harvester includes a power device 3 and a connection device 200 installed at the front end of the power device. The connection device is provided with an excavating device 2, a conveying device 500 on the discharge side of the excavating device, and a connecting device 200 on the excavating device. In the cutting device 1 in front of the device, the excavating device is a vibration excavating device 300; the connecting device 200 is also installed with a power transmission device 100 that is connected to the excavating device, the conveying device 500 and the cutting device.

The power unit 3 is an ordinary agricultural tractor, and is equipped with a complete hydraulic system, which is respectively connected with the hydraulic rod and the hydraulic motor through the conveying pipeline. Since this set has been realized in the existing technology, it will not be repeated.

The power transmission device 100 includes a hydraulic motor 101 , a connecting frame 102 , a fixed plate I 103 , a fixed plate II 104 , a sprocket I 105 , a sprocket II 106 , a chain I 107 , an overhanging nose 108 , a chain box 109 , and a rotating shaft 110 . The output power of the hydraulic oil pump drives the output sprocket I105 of the hydraulic motor 101 to rotate, and the power is transmitted to the sprocket II106 through the chain I107. The connecting frame 102 is welded with the vehicle frame, the hydraulic motor 101 is fixed by the fixing plate I103 and the fixing plate II104, the connecting frame 102 is welded with an overhanging nose 108, and the chain box 109 is fixed on the overhanging nose 108.

The connecting device 200 includes a vehicle body connecting frame 201, a connecting plate I 202, a connecting plate II 203, a connecting plate III 204, a pin 205, a pin 206, a guide plate 207, a hinge 208, a gathering plate 209, a shaft holder 210, and a metal conduit shaft 211 , Catheter shaft fixer 212 , slack adjuster 213 , connecting rod 214 , fixing rod 215 , hydraulic rod 216 .

The vehicle body connecting frame 201 is fixed to the front end of the harvester through 6 bolts of different sizes. The harvester can use a tractor as a traveling implement, and the vehicle body connecting frame 201 is connected to the front end of the tractor. The connecting plates I 202 are two oppositely arranged pieces, located on both sides of the front of the vehicle body connecting frame 201. The two connecting plates I are respectively hinged to the vehicle body connecting frame 201 through the transverse pin shafts 205, and the tail ends of the pin shafts 205 are locked by pins 206. To prevent the pin shaft 205 from sliding left and right, the connecting plate I202, the connecting plate II203 and the connecting plate III204 are all fixed to each other by bolts. The connecting plate II203 is located at the front end of the connecting plate I202 and is used to install the depth limiting device. The connecting plate III204 is located on the connecting plate. The front end of II203 is used to fix the support frame 1019 of the cutting device, the guide plate 207 is welded on the arc area of the connecting plate I202, the catheter shaft holder 210 is connected to the connection plate I202 by bolts, and the front end catheter shaft holder 210 is close to the connection plate. The catheter shaft holder 212 in the arc area of I202 has a built-in catheter shaft 211, the hinge 208 is welded with the connecting plate I202, and the gathering plate 209 is extended out, and the gathering plate 209 is fixed in position by the fixing rod 215.

The vibration excavation device 300 includes an eccentric wheel 301 , a transmission frame 302 , a blade frame 303 , a fixed piece 304 , a shovel blade 305 , a fixed ring I 306 , a fixed ring II 307 , a guide bar 308 , and an elastic wheel connecting frame 309 .

The two ends of the rotating shaft 110 are respectively axially connected to the two connecting plates I202. The rotating shaft 110 is fixedly connected to three eccentric wheels 301 distributed along the axial direction, and the three eccentric wheels are offset by 180° from each other. A transmission frame 302 is sleeved on the eccentric wheel 301. The transmission frame 302 in this embodiment includes a ring sleeved on the eccentric wheel and a transmission rod fixedly connected with the ring. The rotation of the eccentric wheel 301 drives the transmission frame 302 to move forward and backward. The rotating shaft 110 is also provided with a power transmission gear that is connected to the gear I1001 in the cutting device through a chain drive.

The front of the rotating shaft 110 is provided with a connecting rod 214 which is axially connected with the two connecting plates I202. The connecting rod 214 is fixed with a blade holder 303 extending downward and corresponding to each eccentric wheel respectively. The lower part of the blade holder is connected to the corresponding transmission The rod is hinged, and the bottom end of the blade holder is fixed with a blade. Specifically, the transmission frame 302 and the blade frame 303 are connected by bolts, the upper end of the blade frame 303 passes through the connecting rod 214, the left and right are locked by the fixing ring I306, and the tensioner connecting frame 309 is fixed on the connecting rod 214 by the fixing ring II307 , a fixing piece 304 is installed at the bottom of the blade holder 303 , and a shovel blade 305 is installed above the fixing piece 304 . The rear of the shovel blade is provided with a plurality of guide bars 308 fixedly connected with the connecting plate I202, and a guide channel opposite to the gap between the adjacent shovel blades is formed between the adjacent guide bars. The rotation of the eccentric wheel 301 pushes the transmission frame 302 to move back and forth, thereby driving the blade frame 302 and the blade blade 305 to rotate around the connecting rod 214, thereby realizing the function of loosening soil.

The conveying device 500 includes a conveyor belt drivingly connected to the power transmission device 100, and two oppositely arranged gathering plates 209 on the upper surface of the conveyor belt. The conveyor belt is provided with mesh holes smaller than the size of a garlic head. A garlic channel is formed between the two gathering plates, and the distance between the two gathering plates gradually decreases along the conveying direction. The ends with the larger distance between the two gathering plates are respectively hinged with the connecting plate I202 through the vertical hinge 208, and the two connecting plates I202 are fixedly connected by a cross beam. Fixed rod 215 .

Specifically, the conveying device 500 includes sprocket III 501 , sprocket IV 502 , sprocket V 503 , chain II 504 , and metal conduit conveyor belt 505 . The sprocket III 501 is installed on the left side of the rotating shaft 110, which is used to transmit power to the cutting device. The right end of the rotating shaft 110 is equipped with a sprocket IV 502, which transmits power to the sprocket V 503 through the chain II 504. The sprocket V 503 drives the metal conduit conveyor belt 505 to rotate together. There are four rotating shafts 211 , and the frontmost metal conduit rotating shaft 211 has the function of adjusting the tightness of the metal conduit conveyor belt 505 . The garlic excavated by the garlic digging device enters the metal conduit conveyor belt 505 along the guide bar 308 and the guide plate 207. During transportation, the soil on the garlic whiskers and the soil from the excavation drive will be separated with the rotation of the metal conduit conveyor belt 505. It falls off and is discharged in the grid of the conveyor belt 505 , and the garlic is collectively discharged under the gathering action of the gathering plate 209 .

The depth limiting device 400 is located on both sides in front of the vibration excavation device 300. The depth limiting device 400 includes a fastening strip 401, a round cover 402, a square tube I 403, a square tube II 404, a crank handle 405, a locking bolt 406, a scale 407, and a bearing 408 , Depth limiting wheel 409, wheel shaft 410.

The square tube I403 is vertically arranged and fixed on the connecting plate II203 by the fastening strips 401, the square tube II404 is inserted in the square tube I403, and the lower end of the square tube II passes down the square tube I403, and the side wall of the square tube I403 The upper thread is connected to the locking bolt 406 up to the square tube II 404, and the locking bolt 406 is used to lock the position of the square tube II 404 fixed in the square tube I403. A scale 407 is fixed on the outer side of the square tube II 404, which is used for calibrating the balance of the depth-limiting wheels 409 at both ends and displaying the adjustment result of the depth-limiting depth. The lower end of the square tube II 404 is welded with a horizontally arranged wheel shaft 410. The wheel shaft 410 is mounted with a depth-limiting wheel 409 through a bearing 408. One side of the depth-limiting wheel is provided with a boss for positioning, and the other side is fixed by a washer nut. The upper end of the square tube I403 is welded with a round cover 402, and the upper end of the square tube II404 is welded with an end cover. The upright part of the crank handle goes down through the round cover 402 and is threadedly connected with the round cover 402. The end cover is provided with a through hole for the crank handle to pass through. , a ball located below the through hole and larger than the size of the through hole is fixed on the crank handle to prevent the upright part of the crank handle from sliding out of the square tube II404. The crank handle 405 can be rotated, and the square tube II 404 can be moved up and down by cooperating with the inner thread of the round hole of the round cover 402, so as to realize the depth limit operation.

Cutting device 1 includes gear I 1001, commutator 1002, gear II 1003, gear III 1004, gear IV 1005, gear V 1006, gear VI 1007, gear VII 1008, eccentric wheel 1009, roller 1010, shaft groove 1011, holder 1012, moving blade fixing plate 1013, locking groove 1014, movable blade 1015, fixed blade 1016, fixed blade fixing plate 1017, fixing nail 1018, support frame 1019, chain I 1020, chain II 1021, chain III 1022, metal paddle 1023, dial wheel 1024, guide belt 1025, pulley I 1026, pulley II 1027, bottom plate 1028, protective cover 1029, metal head guard 1030, bottom frame 1031, support tube 1032, seedling guide strip 1033, guard plate Ⅰ 1034, guard plate Ⅱ 1035, guard plate Ⅲ 1036, guard plate Ⅳ 1037.

A cutting force transmission device and a reciprocating cutter connected to the power transmission device are installed on the support frame, the reciprocating cutter is connected with the cutting force transmission device, and the cutting force transmission device provides power to each part of the cutting device. A chain II 1021 that is located above the reciprocating cutter and extends along the width direction of the harvester is also installed on the support frame. The chain II 1021 is connected to the cutting force transmission device in a driving manner. The tooth 1023 is a metal paddle, the chain II and the chain I 1020 are both endless chains, and the width direction refers to the transverse direction perpendicular to the traveling direction of the harvester.

The reciprocating cutter includes a fixed blade 1016 and a locking block that are fixed relative to the support frame, and a movable blade 1015 slidably connected to the fixed blade. The locking block is provided with a locking groove 1014 extending along the cutting direction. , the movable blade is fixed on the movable blade fixing plate 1013 slidably connected with the locking groove, the movable blade fixing plate 1013 is fixed with a fixer 1012, and the fixer is fixed with a moving blade extending along the traveling direction of the harvester. A strip-shaped rolling groove 1011, and the roller 1010 is inserted into the rolling groove 1011. The rolling groove 1011 in this embodiment is a straight groove parallel to the advancing direction, and the roller 1010 is inserted through the rolling groove 1011 and can rotate back and forth in the rolling groove 1011 . The rolling groove 1011 and the holder 1012 are welded together, the holder 1012 is fixedly connected with the movable blade fixing plate 1013, the movable blade fixing plate 1013 is fixedly connected to the movable blade 1015, and the movable blade fixing plate 1013 and the movable blade 1015 are connected and fixed by the fixing nails 1018. .

Several protective covers 1029 extending forward are fixedly connected to the support frame. Each protective cover 1029 is distributed at intervals along the horizontal direction. A garlic seedling channel is formed between adjacent protective covers. The front end is the tip.

The protective cover is connected with a dial wheel 1024 that meshes with the dial teeth 1023 of the chain II, a pulley I 1026 is fixed on the wheel shaft of the dial wheel, and the protective cover is also connected with a guide belt 1025 and the pulley I 1026 transmission. The connected pulley II 1027, the guide belt is fixed with a number of seedling guide rods extending radially outward and distributed along the circumferential direction. The seedling guide rods are rubber rods, that is, the guide belt 1025 has more surrounding areas than ordinary belts. There is a rubber stick that can be used to feed the garlic seedlings.

The protective cover is also fixed with a seedling guide bar 1033 extending to the return side of the seedling guide rod through vertical bolts. The plane where the strips are located is horizontal, and the distance that the seedling guide strips 1033 stick out of the protective cover is greater than the distance that the seedling guide rods stick out of the protective cover. The return side of this embodiment is the side that guides the seedling stick to move toward the garlic seedlings to be cut after going around the pulley I.

The cutting force transmission device includes a commutator 1002 fixed on the support frame, a gear I 1001 fixed on the input shaft of the commutator, and a gear II 1003 and an eccentric wheel 1009 fixed on the output shaft of the commutator. The interior is bevel gear transmission, the eccentric wheel 1009 is located under the gear II, and is welded on the output shaft of the commutator, the gear II 1003 is concentric with the larger circle of the eccentric wheel 1009, and the upper shaft of the eccentric wheel 1009 is connected to the downward extending roller 1010, and the smaller circle of the roller 1010 and the eccentric wheel 1009 is concentric, the roller 1010 can rotate freely, the roller 1010 is eccentric with the output shaft of the commutator and is connected with the reciprocating cutter. Gear II1003 is connected to gear III1004 through chain I1020, gear IV1005 is fixed on the axle of gear III1004, gear IV1005 meshes with the chain II1021, and is connected to sprocket V1006 through chain II1021. Gear II1003 outputs power to drive the sprocket set to rotate. Gear III1004, gear IV1005, and gear VI1007 are concentric sprockets. Gear IV1005 drives sprocket V1006 to rotate through chain II1021, and gear VI1007 drives sprocket VII1008 to rotate through chain III1022.

Gear VI1007 is fixed on the axle of gear III1004. Gear VI1007 is connected to sprocket VII1008 through chain III1022. Chain III1022 is located between chain II1021 and the reciprocating cutter, and is parallel to chain II1021. The outer side of chain III is fixed with shifting teeth 1023.

The metal paddle on the chain II 1021 turns the dial wheel 1024 to rotate, and the pulley I 1026 is fixed under the dial wheel 1024. The pulley I 1026 and the pulley II 1027 are axially connected to the bottom plate 1028, the bottom plate 1028 is welded with the bottom frame 1031 and the support pipe 1032, the support pipe 1032 is welded with the cutting main frame 1019, and the bottom plate 1028 is connected by bolts. The steel bar with a certain arc, the bolt can adjust the tightness of the cooperation between the seedling guide 1033 and the bottom plate 1028, so as to adjust the angle between the seedling guide 1033 and the bottom plate 1028, realize the function of garlic seedling drainage, and prevent the guide belt 1025 from being reversed. To move garlic seedlings, the protective cover 1029 is located above the dial wheel 1024, and the front end of the protective cover is fixed with a metal head guard 1030, which can play the role of dividing the seedlings.

During the seedling cutting operation, the power is input from the gear on the shaft of the excavator to the gear I1001 through a long chain connection. After the gear I1001 receives the power, the direction of the force transmission is changed through the commutator 1002, and the power is transmitted to the gear II1003, with the rotation of the gear II1003. , drive the eccentric wheel 1009 welded below to rotate, thereby driving the roller 1010 to rotate with the large circle center of the eccentric wheel 1009 as the center of the circle. , and another part of the movement is that the roller 1010 drives the rolling groove 1011 to move left and right, thereby driving the holder 1012 and the moving blade fixing plate 1013 to move left and right, so as to realize the left and right cutting motion of the moving blade. The locking block 1014 is connected with the fixed blade fixing plate 1017 by bolts, so as to limit the left and right movement of the moving blade 1015 and the moving blade fixing plate 1013, the fixed blade fixing plate 1017 is welded with the cutting main frame 1019, and the fixed blade 1016 is placed on the fixed blade fixing plate 1017, Through the connection of the fixed nails 1018, the relative movement of the movable blade and the fixed blade forms a reciprocating cutter, so that the movable blade 1015 moves left and right to achieve the purpose of cutting seedlings. The guard plate I 1034, the guard plate II 1035, the guard plate III 1036, and the guard plate IV 1037 are all connected with the support frame 1019 by bolts. Gear II1003 drives the whole chain to rotate, in which chain II1021 and chain III1022 have metal paddles, the garlic seedlings cut by the paddles are removed from the right side, and the paddles on the chain II1021 turn the dials 1024 to rotate, and dial The pulley I 1026 is placed under the wheel 1024, which drives the guide belt 1025 to rotate, and the guide belt 1025 rotates. With the diversion effect of the seedling guide 1033, the garlic seedlings are moved to feed the cutting area. Under the action of the toggle, it is discharged from the right side. During the rotation of the chain, the metal paddle will pass through the middle of the teeth of the dial wheel 1024, and the dial wheel 1024 will inevitably be turned to rotate. After cutting, the garlic seedlings are normally transferred on the upper and lower paddles and will not affect the upper paddle. Toggle the dial effect, and the moving speed of the paddle is fast enough, which is convenient to export the garlic seedlings in time.

Before the operation of the harvesting machine, adjust the height of the depth-limiting wheel of the excavating device to adjust the overall working height of the garlic harvesting machine, including the cutting height and excavation depth of garlic seedlings; adjust the fixing ring I of the excavating device and other components, and adjust the inclination angle of the excavating shovel. . During the operation of the harvesting machine, under the cooperation of the guide belt of the cutting device and the seedling guide, the garlic seedlings are introduced into the cutting device. Under the cooperation of the movable blade and the fixed blade, the garlic seedlings are neatly cut, and the cut garlic seedlings are Under the action of the chain metal pick, the garlic seedlings are thrown away from the right side, which is convenient for the centralized processing of the garlic seedlings. The garlic left in the soil is under the action of the vibration excavation device of the excavation device to realize the loosening excavation operation, and the garlic in the field can be introduced into the conveying device. During the transportation process, the soil will fall off with the rotation of the metal conduit conveyor belt. Under the action of gathering, the garlic after harvesting is neatly arranged in the field in a linear shape, which is convenient for the collection and processing of garlic in the later stage.

The harvester of this embodiment can efficiently complete the functions of cutting seedlings, throwing seedlings, excavating at limited depth, shaking soil and other functions; it can effectively complete the tasks of feeding, cutting and throwing garlic and garlic seedlings, with high efficiency and low missed cutting rate; Effectively complete the digging task of the cut garlic and garlic, shake the soil during transportation and gather it at the end to remove; the power device is an ordinary agricultural tractor equipped with a complete hydraulic system, which can be completed with a little modification on the basis of the original tractor, suitable for large Part of the tractor is loaded with this equipment; the connecting frame of the excavator body and the connecting plate I are connected by pin shaft, so as to avoid the eccentric vibration affecting the smooth running of the tractor; the rotation angles of the three groups of eccentric wheels of the excavator are 180 °, the excavation shovel moves back and forth alternately to complete the task of loosening the soil; the depth-limited part has a limited depth scale, and the depth-limited height can be precisely adjusted.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be realized by or using the existing technology, and will not be repeated here; the above embodiments and accompanying drawings are only used to illustrate the technology of the present invention. The solution is not intended to limit the present utility model. The present utility model is described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that the Changes, modifications, additions or substitutions do not depart from the purpose of the present invention, and should also belong to the protection scope of the claims of the present invention.

Claims (10)

1. A garlic harvester with a front header is characterized in that: comprises a power device (3) and a connecting device (200) arranged at the front end of the power device, wherein the connecting device is provided with an excavating device (2), a conveying device (500) positioned at the discharge side of the excavating device and a cutting device (1) positioned in front of the excavating device,

the connecting device (200) is also provided with a power transmission device (100) which is in transmission connection with the digging device, the conveying device (500) and the cutting device.

2. A garlic harvester with a front header according to claim 1, wherein: the connecting device (200) comprises a vehicle body connecting frame (201) fixedly connected to the front end of the power device and two opposite connecting plates I (202) hinged to the vehicle body connecting frame (201) through a transverse pin shaft (205), and the connecting plates I (202) are located in front of the vehicle body connecting frame (201).

3. A garlic harvester with a front header according to claim 2, wherein: the excavating device (2) is a vibration excavating device (300), the vibration excavating device (300) comprises a rotating shaft (110) which is connected to the two connecting plates I (202) in a shaft connection mode and a plurality of eccentric wheels (301) which are distributed along the axial direction and fixedly connected with the rotating shaft, a transmission frame (302) is sleeved on each eccentric wheel (301), and each transmission frame comprises a circular ring sleeved on each eccentric wheel and a transmission rod fixedly connected with the circular ring;

the front of the rotating shaft (110) is provided with a connecting rod (214) which is in shaft connection with the two connecting plates I (202), the connecting rod (214) is fixedly provided with a scraper knife rest which extends downwards and corresponds to each eccentric wheel, the lower part of the scraper knife rest is hinged with a corresponding transmission rod, and the bottom end of the scraper knife rest is fixedly provided with a scraper knife blade.

4. A garlic harvester with a front header according to claim 2, wherein: the conveying device (500) comprises a conveying belt in transmission connection with the power transmission device (100) and two gathering plates (209) which are arranged on the upper surface of the conveying belt and oppositely arranged, a garlic channel is formed between the two gathering plates, and the distance between the two gathering plates is gradually reduced along the conveying direction.

5. A garlic harvester with a front header according to claim 4, wherein: the conveyer belt is provided with mesh holes with the size smaller than that of the garlic bulbs.

6. A garlic harvester with a front header according to claim 4, wherein: the end, with larger distance, of the two gathering plates is hinged with the connecting plate I (202) through a vertical hinge (208), the two connecting plates I (202) are fixedly connected through a cross beam, and two fixing rods (215) which downwards extend to the side faces, which are deviated from the two gathering plates, are fixedly arranged on the cross beam.

7. A garlic harvester with a front header according to claim 4, wherein: the device comprises a vibration excavating device (300) and depth limiting devices (400) which are arranged on two sides in front of the vibration excavating device, wherein each depth limiting device comprises a square pipe I (403) fixedly connected with a connecting device (200) and a square pipe II (404) penetrating out of the square pipe I (403) downwards, and a locking bolt (406) which is propped against the square pipe II (404) is in threaded connection on the side wall of the square pipe I (403); and a wheel part rotating shaft (410) is fixedly connected to the square tube II (404), and a depth limiting wheel (409) is installed on the wheel part rotating shaft (410).

8. A garlic harvester with a front header according to claim 7, wherein: still include dome (402) and the end cover of rigid coupling in square pipe I (403) upper end in square pipe II (404) upper end of rigid coupling to and pass dome (402) downwards and with dome (402) threaded connection's crank, set up the through-hole that supplies the crank to pass on the end cover, the rigid coupling has and is located on the crank the through-hole below just is greater than the ball of through-hole size.

9. A garlic harvester with a front header according to claim 1, wherein: the cutting device (1) comprises a support frame (1019) fixedly connected to the front end of the connecting device and a reciprocating cutting knife arranged on the support frame, and the reciprocating cutting knife is in transmission connection with the power transmission device; still install chain II (1021) that are located reciprocating type cutting knife top and extend along harvester width direction on the support frame, chain II (1021) with the power transmission device transmission is connected, and the lateral surface of chain II has set firmly and has dialled tooth (1023).

10. A garlic harvester with a front header according to claim 9, wherein: a plurality of protective covers (1029) extending forwards are fixedly connected to the supporting frame, the protective covers (1029) are distributed at intervals along the transverse direction, and garlic shoot channels are formed between adjacent protective covers; the utility model discloses a seedling raising machine, including the chain I, the chain II, the protection cover is last to have a coupling to have dialling wheel (1024) with the dialling tooth (1023) meshing of chain II, the epaxial belt pulley I (1026) that has set firmly of wheel of dialling, still the coupling on the protection cover have through conducting bar belt (1025) with belt pulley I (1026) transmission connection's belt pulley II (1027), set firmly on the conducting bar belt along radial outside extension and along a plurality of seedling bars that lead of circumference distribution.

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