CN-224205735-U - Multistage separation type ridge culture rhizome crop harvesting device

CN224205735UCN 224205735 UCN224205735 UCN 224205735UCN-224205735-U

Abstract

The utility model relates to a multistage separation type ridge culture rhizome crop harvesting device which comprises a vehicle body and is characterized in that a soil screening assembly used for receiving and screening crops is arranged in the vehicle body, the soil screening assembly comprises a screen, the periphery of the screen is connected to the vehicle body through an elastic plate, top plates are symmetrically arranged on two sides of the screen, slide bars extending obliquely are vertically arranged on the top plates in a penetrating mode and are in sliding connection, sleeves are fixedly connected to the bottoms of the slide bars, eccentric wheels used for driving the sleeves to push and pull the slide bars in a reciprocating mode are arranged in the sleeves, the eccentric wheels penetrate through and are linked through the same driving rod, a conveying belt is arranged below the screen, and a stirring assembly used for circularly stirring the inner surface of the conveying belt is arranged between the upper layer and the lower layer of the conveying belt.

Inventors

YANG JIQING
GU JIANCHENG
ZENG XIUHUI
CHEN XIQIANG
DONG QIUHUANG

Assignees

福建农林大学

Dates

Publication Date: 20260508
Application Date: 20250530

Claims (10)

1. A multistage separation type ridge culture rhizome crop harvesting device comprises a vehicle body and is characterized in that a soil screening assembly used for receiving and screening crops is arranged in the vehicle body, the soil screening assembly comprises a screen, the periphery of the screen is connected to the vehicle body through an elastic plate, top plates are symmetrically arranged on two sides of the screen, slide bars extending obliquely are vertically arranged on the top plates in a penetrating mode and are connected with the top plates in a sliding mode, sleeves are fixedly connected to the bottoms of the slide bars, eccentric wheels used for driving the sleeves to push and pull the slide bars in a reciprocating mode are arranged in the sleeves, the eccentric wheels penetrate through and are linked through the same driving rod, a conveying belt is arranged below the screen, and a stirring assembly used for circularly stirring the inner surface of the conveying belt is arranged between the upper layer and the lower layer of the conveying belt.
2. The multi-stage separation type ridge culture rhizome crop harvesting device of claim 1, wherein a plurality of adjusting holes are formed in the top end of the sliding rod at intervals along the length direction of the sliding rod, a top block is sleeved on the sliding rod and penetrates through the top block to be fixed with the adjusting holes through bolts, and a spring is connected between the top block and the top plate in a propping mode.
3. The multi-stage separation type ridge culture rhizome crop harvesting device of claim 2, wherein two groups of ejector blocks are respectively arranged on each group of sliding bars and are respectively arranged on two sides of the top plate, two groups of corresponding springs are respectively arranged, and two ends of each spring are respectively fixedly connected to the top plate and the ejector blocks.
4. The multi-stage separation type ridge culture rhizome crop harvesting device of claim 1, wherein the stirring assembly comprises long rods extending along the width direction of the conveying belt, a plurality of mounting seats are uniformly distributed on the long rods at intervals, a plurality of stirring rods which swing along with the rotation of the long rods to stir the upper and lower layers of conveying belts are fixedly arranged on the mounting seats, and one ends of the long rods rotate in the same direction with the conveying belts through a synchronous chain.
5. The multi-stage separation type ridge culture root crop harvesting device according to claim 1, wherein a lifting assembly for lifting crops to a screen is arranged on a vehicle body at the front side of the soil screening assembly, the lifting assembly comprises a conveying net chain which is obliquely arranged, lifting shafts for driving the conveying net chain to circularly convey are arranged at the upper end and the lower end of the conveying net chain, one end of each lifting shaft at the top is synchronously linked with a driving rod through a synchronous chain, and the other end of each lifting shaft is synchronously linked with a conveying belt through a synchronous chain and a gear set so that the conveying direction of the conveying belt is opposite to that of the conveying net chain.
6. The multi-stage separation type ridge culture root crop harvesting device as claimed in claim 5, wherein a plurality of supporting plates for supporting crops are arranged on the conveying net chain at intervals.
7. The multi-stage separation type ridge culture root crop harvesting device according to claim 5, wherein the soil crushing assembly is arranged on a vehicle body at the front side of the lifting assembly and comprises a transverse shaft, a plurality of spring groups are uniformly distributed on the transverse shaft along the periphery of the transverse shaft, each spring group consists of high-strength springs and rubber blocks fixedly connected with the outer ends of the high-strength springs at intervals along the length direction of the transverse shaft, the high-strength springs radially extend, one end of the transverse shaft is linked with a driving gear through a synchronous chain, the driving gear is externally meshed with a driven gear, and the driven gear is coaxially connected to a lifting shaft at the bottom of the lifting assembly.
8. The multi-stage separation type ridge culture rhizome crop harvesting device of claim 7, wherein the soil breaking assembly is arranged on a vehicle body at the front side of the soil breaking assembly and comprises a rotating shaft, a plurality of soil breaking rods are arranged on the surface of the rotating shaft in a staggered mode, the soil breaking rods extend in an arc direction, one end of the rotating shaft is linked with a transverse shaft through a synchronous chain, and the other end of the rotating shaft is synchronously linked with a driving wheel through a synchronous chain.
9. The multi-stage separation type ridge culture rhizome crop harvesting device as claimed in claim 1, wherein the conveying end of the conveying belt is provided with a collecting box for receiving crops, and the collecting box is connected to the vehicle body in a drawer type in a sliding manner.
10. The multi-stage separation type ridge culture root crop harvesting device of claim 8, wherein the vehicle body comprises a vehicle frame and a driving wheel arranged at the bottom of the vehicle frame.

Description

Multistage separation type ridge culture rhizome crop harvesting device Technical Field The utility model relates to a multistage separation type ridge culture root crop harvesting device. Background The harvesting of root crops is an important content in the technical field of agricultural mechanized harvesting, and mainly comprises the working processes of soil excavation, separation of crop roots and soil, collection and arrangement of crop roots and the like. In the prior art, in the soil crushing process, a vibrating shovel or a roller blade is generally adopted to directly crush the soil, and the device can generate loss to the epidermis of individual rhizome crops, so that the value of the device is reduced. In the soil separation process, a single-stage separation device is generally adopted, so that the soil is possibly not separated in time in an environment with excessive soil viscosity, most tuber crops can be separated, and the applicability to small tuber crops with larger separation difficulty is poor. Still other devices use excavated soil and separated soil as two parts, and achieve this effect through different mechanical structures, with insufficient integrity, such as a rhizome crop harvesting device-CN 116569729a. Disclosure of utility model In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide the multi-stage separation type ridge culture rhizome crop harvesting device which is reasonable in structure and has an effect of effectively protecting crops in the crushing process. In order to solve the technical problems, the technical scheme is that the multistage separation type ridge culture rhizome crop harvesting device comprises a vehicle body, a soil screening assembly used for receiving and screening crops is arranged in the vehicle body, the soil screening assembly comprises a screen, the periphery of the screen is connected to the vehicle body through an elastic plate, top plates are symmetrically arranged on two sides of the screen, slide bars extending obliquely vertically penetrate through and are connected with the top plates in a sliding mode, sleeves are fixedly connected to the bottoms of the slide bars, eccentric wheels used for driving the sleeves to push and pull the slide bars back and forth are arranged in the sleeves, the two eccentric wheels penetrate through and are linked through the same driving rod, a conveying belt is arranged below the screen, and a stirring assembly used for circularly stirring the inner surface of the conveying belt is arranged between the upper layer and the lower layer of the conveying belt. Further, a plurality of adjusting holes are formed in the top end of the sliding rod at intervals along the length direction of the sliding rod, a top block is sleeved on the sliding rod and penetrates through the top block to be fixed with the adjusting holes through bolts, and a spring is connected between the top block and the top plate in a propping mode. Further, two groups of ejector blocks are arranged on each group of sliding rods and are respectively arranged on two sides of the top plate, two groups of corresponding springs are respectively arranged, and two ends of each spring are respectively and fixedly connected to the top plate and the ejector blocks. Further, stir the telescopic link that the subassembly includes along conveyer belt width direction extension, the interval equipartition has a plurality of mount pads on the telescopic link, set firmly a plurality of driving levers of stirring upper and lower floor's conveyer belt along with the rotatory swing of telescopic link on the mount pad, telescopic link one end is through synchronous chain and conveyer belt syntropy rotation. Further, be provided with the lift assembly on the automobile body of sieve soil subassembly front side on carrying the crop to the screen cloth, this lift assembly is including the transport network chain that the slant was placed, the upper and lower end all is provided with the lift axle that drive transport network chain circulated delivery on the transport network chain, and the lift axle one end that is located the top links with the actuating lever through the synchronous chain in step, and the other end links with the conveyer belt in step through synchronous chain and gear train in order to make conveyer belt and transport network chain transport opposite direction, namely accomplishes synchronous linkage with conveyer belt and lift assembly to sieve soil subassembly. Further, a plurality of supporting plates for supporting crops are arranged on the conveying net chain at intervals. Further, be provided with the hack subassembly on the automobile body of transport subassembly front side, the hack subassembly includes the cross axle, the equipartition has a plurality of spring groups along its periphery on the cross axle, the spring group comprises the high strength spring that sets up along cross