阅读说明：本技术 一种麻山药收获机 (Yam harvester ) 是由 辛顺 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种麻山药收获机,包括机架,机架的前端上方设有变速箱和开沟装置,开沟装置包括变速箱的两侧平行的设有一对链条支架和链条,链条支架的一端固定在机架上,链条支架的两端分别安装有主动链轮和从动链轮,主动链轮通过第一转轴与变速箱相连接,链条安装在主动链轮和从动链轮之间,链条的链身两侧均安装有开沟刀片；开沟装置的外侧设有侧挡板；开沟装置的后端设有中心挡土器,中心挡土器的两侧设有一对对称的立式犁刀,中心挡土器和立式犁刀均通过连接杆安装在机架的竖梁上；立式犁刀的后方设有振动装置,振动装置通过驱动装置与第一转轴相连接。本发明结构简单合理,减少人工,节省成本,提高工作效率。(The invention discloses a dioscorea opposita harvester which comprises a rack, wherein a gearbox and a ditching device are arranged above the front end of the rack, the ditching device comprises a pair of chain supports and a chain, which are arranged on two sides of the gearbox in parallel, one end of each chain support is fixed on the rack, a driving chain wheel and a driven chain wheel are respectively arranged at two ends of each chain support, the driving chain wheel is connected with the gearbox through a first rotating shaft, the chain is arranged between the driving chain wheel and the driven chain wheel, and ditching blades are respectively arranged on two sides of a chain body of the chain; a side baffle is arranged on the outer side of the ditching device; the rear end of the ditching device is provided with a central soil blocking device, two sides of the central soil blocking device are provided with a pair of symmetrical vertical coulters, and the central soil blocking device and the vertical coulters are both arranged on a vertical beam of the rack through connecting rods; the rear part of the vertical coulter is provided with a vibration device which is connected with the first rotating shaft through a driving device. The invention has simple and reasonable structure, reduces labor, saves cost and improves working efficiency.)

1. A dioscorea opposita harvester is characterized in that: the ditching machine comprises a rack (1), wherein a gearbox (2) and a ditching device are arranged above the front end of the rack (1), the ditching device comprises a pair of chain supports (3) and a chain (4) which are arranged on two sides of the gearbox (2) in parallel, one end of each chain support (3) is fixed on the rack (1), the other end of each chain support extends downwards in an inclined mode, a driving chain wheel (5) and a driven chain wheel (6) are respectively arranged at two ends of each chain support (3), the driving chain wheel (5) is connected with the gearbox (2) through a first rotating shaft (7), the chain (4) is arranged between the driving chain wheel (5) and the driven chain wheel (6), and ditching blades (8) are arranged on two sides of a chain body of the chain (4); the outer side of the ditching device is provided with a side baffle (9), the bottom of the side baffle (9) is fixed on the rack (1), and the two side baffles (9) are connected through a fixing rod (10); a central soil blocking device (11) is arranged at the rear end of the ditching device, a pair of symmetrical vertical coulters (12) is arranged on two sides of the central soil blocking device (11), and the central soil blocking device (11) and the vertical coulters (12) are both installed on a vertical beam of the rack (1) through connecting rods (13); and a vibrating device is arranged behind the vertical coulter (12), and is connected with the first rotating shaft (7) through a driving device.

2. The dioscorea opposita harvester according to claim 1, wherein: a herringbone traction frame (14) is arranged on the rack (1) and the gearbox (2).

3. The dioscorea opposita harvester according to claim 1, wherein: the chain support (3) is close to one end of the driving chain wheel (5) is further provided with a tension chain wheel (15), and both sides of the tension chain wheel (15) are provided with spiral soil discharging devices (16).

4. The dioscorea opposita harvester according to claim 1, wherein: the driving device comprises a driving gear (17), a driven gear (18) and a second chain (19), the driving gear (17) is installed on the first rotating shaft (7), the driven gear (18) is installed on the rack (1) through a second rotating shaft (20) and a bearing seat (21), and the second chain (19) is connected to the driving gear (17) and the driven gear (18).

5. The dioscorea opposita harvester according to claim 4, wherein: the vibrating device comprises a vibrating shovel (22) and a lifting assembly, the front end of the vibrating shovel (22) is hinged to the rack (1) through a connecting plate (23), the middle of the vibrating shovel (22) is hinged to the bottom of the lifting assembly, and the top end of the lifting assembly is connected to the second rotating shaft (20) through an eccentric bearing (24).

6. The dioscorea opposita harvester according to claim 5, wherein: the lifting assembly comprises a lifting plate (25) and an adjusting plate (26), the top end of the adjusting plate (26) is connected to the second rotating shaft (20) through an eccentric bearing (24), a plurality of adjusting holes (27) are formed in the adjusting plate (26), the top end of the lifting plate (25) is installed to the adjusting holes (27) through bolts, and the vibrating shovel (22) is hinged to the lifting plate (25).

7. The dioscorea opposita harvester according to claim 1, wherein: the central soil blocking device (10) is a prism.

8. The dioscorea opposita harvester according to claim 1, wherein: depth wheels (28) are arranged on two sides of the machine frame (1).

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a dioscorea opposita harvester.

Background

The Chinese yam is a tuber plant with high nutritive value, which contains valuable medicinal and practical values, the development of the Chinese yam has important significance for improving the economic level of China, effectively solving the problem of three farmers in China and greatly promoting the industrialization, the technicalization and the specialization of rural planting, the harvesting of the Chinese yam is carried out according to the prior art, a manual mode is mainly adopted, although the prior art also has some new designs for harvesting the Chinese yam by mechanical force, the specific growth and the length of the Chinese yam are not easy to master because the Chinese yam is deeply buried in the soil, the Chinese yam is easy to break or damage by being slightly touched due to the delicate characteristic of the Chinese yam, the quality of the Chinese yam can be seriously influenced, and a design scheme for harvesting the Chinese yam by mechanical force and ensuring the quality is still not available until now, but a spade is adopted for manual digging, only about thirty meters can be dug every day, the problem of the damage rate cannot be guaranteed, the labor intensity is high undoubtedly by adopting a manual mode, and the production efficiency is low.

Disclosure of Invention

The invention aims to provide a dioscorea opposita harvester, which solves the problems.

In order to solve the technical problems, the invention adopts the following technical scheme:

the yam harvester comprises a rack, wherein a gearbox and a ditching device are arranged above the front end of the rack, the ditching device comprises a pair of chain supports and a chain, which are arranged on two sides of the gearbox in parallel, one end of each chain support is fixed on the rack, the other end of each chain support extends downwards in an inclined manner, a driving chain wheel and a driven chain wheel are respectively arranged at two ends of each chain support, the driving chain wheel is connected with the gearbox through a first rotating shaft, the chain is arranged between the driving chain wheel and the driven chain wheel, and ditching blades are respectively arranged on two sides of a chain body of the chain; the outer side of the ditching device is provided with a side baffle, the bottom of the side baffle is fixed on the rack, and the two side baffles are connected through a fixed rod; the rear end of the ditching device is provided with a central soil blocking device, two sides of the central soil blocking device are provided with a pair of symmetrical vertical coulters, and the central soil blocking device and the vertical coulters are both arranged on a vertical beam of the rack through connecting rods; and a vibration device is arranged behind the vertical coulter and is connected with the first rotating shaft through a driving device.

Furthermore, a herringbone traction frame is arranged on the rack and the gearbox.

Furthermore, a tension sprocket is further installed at one end, close to the driving sprocket, of the chain support, and spiral soil discharging devices are arranged on two sides of the tension sprocket.

Furthermore, drive arrangement includes driving gear, driven gear and second chain, the driving gear is installed in the first pivot, driven gear passes through the second pivot and the bearing frame is installed in the frame, the second chain is connected on driving gear and the driven gear.

Further, vibrating device is including vibration shovel and lifting unit, the front end of vibration shovel articulates through the connecting plate in the frame, the middle part of vibration shovel articulates lifting unit's bottom, lifting unit's top is passed through eccentric bearing and is connected in the second pivot.

Further, the lifting assembly comprises a lifting plate and an adjusting plate, the top end of the adjusting plate is connected to the second rotating shaft through the eccentric bearing, a plurality of adjusting holes are formed in the adjusting plate, the top end of the lifting plate is installed on the adjusting holes through bolts, and the vibrating shovel is hinged to the lifting plate.

Further, the central soil stopper is a triangular prism.

Furthermore, depth wheels are arranged on two sides of the machine frame.

Compared with the prior art, the invention has the beneficial technical effects that:

according to the invention, the ditching blade is driven by the chain to take soil out of the soil for ditching, the soil is discharged to two sides through the spiral soil discharging device, then the soil on two sides of the formed groove is compacted by the central soil blocking device, so that the phenomenon that Chinese yams topple to the groove to cause yam fracture due to over-loose soil on two sides is avoided, then the soil and the Chinese yams are horizontally moved to the groove by the vertical coulter, the Chinese yams are shoveled out of the soil by the vibrating shovel, and large pieces of soil are vibrated off, so that the Chinese yams are conveniently taken out, the structure is simple and reasonable, the labor is reduced, the cost is saved, and the working efficiency is improved.

Drawings

The invention is further illustrated in the following description with reference to the drawings.

FIG. 1 is a top view of the dioscorea opposita harvester of the present invention;

FIG. 2 is a side view of a yam harvester of the present invention;

description of reference numerals: 1. a frame; 2. a gearbox; 3. a chain bracket; 4. a chain; 5. a drive sprocket; 6. a driven sprocket; 7. a first rotating shaft; 8. ditching blades; 9. a side dam; 10. fixing the rod; 11. a central soil guard; 12. a vertical coulter; 13. a connecting rod; 14. a herringbone traction frame; 15. a tension sprocket; 16. a spiral soil discharging device; 17. a driving gear; 18. a driven gear; 19. a second chain; 20. a second rotating shaft; 21. a bearing seat; 22. vibrating a shovel; 23. a connecting plate; 24. an eccentric bearing; 25. a lifting plate; 26. an adjustment plate; 27. an adjustment hole; 28. depth wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, a dioscorea opposita harvester comprises a frame 1, wherein a gearbox 2 and a ditching device are arranged above the front end of the frame 1, and a herringbone traction frame 14 is arranged on the frame 1 and the gearbox 2. The outer side of the ditching device is provided with side baffles 9, the bottoms of the side baffles 9 are fixed on the rack 1, and the two side baffles 9 are connected through a fixing rod 10.

Ditching device includes the both sides of gearbox 2 are parallel to be equipped with a pair of chain support 3 and chain 4, the one end of chain support 3 is fixed in frame 1, other end slope downwardly extending, drive sprocket 5 and driven sprocket 6 are installed respectively to the both ends of chain support 3, drive sprocket 5 through first pivot 7 with gearbox 2 is connected, chain 4 is installed between drive sprocket 5 and the driven sprocket 6, ditching blade 8 is all installed to the chain body both sides of chain 4. The chain support 3 is close to one end of the driving sprocket 5 is further provided with a tension sprocket 15, and two sides of the tension sprocket 15 are provided with spiral soil discharging devices 16. The chain 4 is placed between two adjacent ridges of Chinese yams, the ditching blades 8 are utilized to take out the soil between the two ridges of Chinese yams, and the soil is discharged to two sides through the spiral soil discharging device 16.

The rear end of the ditching device is provided with a central soil retaining device 11, the central soil retaining device 11 is a prism, and soil on two sides of a ditched ditch is slightly reinforced by the central soil retaining device 11, so that the condition that the soil on two sides of the ditch is too loose and the Chinese yam is broken to cause loss due to the fact that the Chinese yam inclines towards one side of the ditch is avoided. The two sides of the central soil retaining device 11 are provided with a pair of symmetrical vertical coulters 12, and the soil planted by two ridges of Chinese yams and the Chinese yams are translated together towards the opened grooves by utilizing the matching of the vertical coulters 12 and the central soil retaining device 11, so that the soil is loosened, and the Chinese yams are taken out conveniently. The central soil blocking device 11 and the vertical coulter 12 are both arranged on a vertical beam of the frame 1 through a connecting rod 13. The connecting rod 13 is connected with the frame 1, so that the connecting rod 13 is prevented from being broken due to the fact that the connecting rod cannot bear resistance in the using process.

A vibration device is arranged behind the vertical coulter 12 and is connected with the first rotating shaft 7 through a driving device.

The driving device comprises a driving gear 17, a driven gear 18 and a second chain 19, the driving gear 17 is installed on the first rotating shaft 7, the driven gear 18 is installed on the rack 1 through a second rotating shaft 20 and a bearing seat 21, and the second chain 19 is connected to the driving gear 17 and the driven gear 18. A pinch roller is pressed on the second chain 19 and is arranged on the frame 1.

The vibrating device comprises a vibrating shovel 22 and a lifting assembly, the front end of the vibrating shovel 22 is hinged to the rack 1 through a connecting plate 23, the middle of the vibrating shovel 22 is hinged to the bottom of the lifting assembly, and the top end of the lifting assembly is connected to the second rotating shaft 20 through an eccentric bearing 24.

The lifting assembly comprises a lifting plate 25 and an adjusting plate 26, the top end of the adjusting plate 26 is connected to the second rotating shaft 20 through an eccentric bearing 24, a plurality of adjusting holes 27 are formed in the adjusting plate 26, the top end of the lifting plate 25 is installed on the adjusting holes 27 through bolts, and the vibrating shovel 22 is hinged to the lifting plate 25.

The action process of the invention is as follows:

when the double-row type Chinese yam furrowing machine is used, equipment is connected to a tractor through a herringbone traction frame 14, when the initial end of a field is easy to furrow, the equipment is directly utilized for furrowing, if the equipment is not easy to furrow directly, a groove is manually dug, the chain 4, the central soil blocking device 11 and the vertical coulter 12 are placed in the dug groove, the chain 4 and the central soil blocking device 11 on the same side are placed between two ridges of Chinese yams, the central soil blocking device 11 and the vertical coulters 12 on the two sides respectively clamp one ridge of Chinese yams in the middle, then furrowing is started, soil is brought from the underground by the furrowing blade 8 when the chain 4 rotates, then the soil is discharged to the two sides by the spiral soil discharger 16, the soil on the two sides of the dug groove is reinforced by the central soil blocking device 11 on the rear side, then the vertical coulter 11 on the rear side horizontally moves the Chinese yams and the soil together to the groove, then the Chinese yams are shoveled by the vibrating shovel 22, and the large soil on the Chinese yams is vibrated by the deflection bearing 24 Then picking up the Chinese yam.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.