阅读说明：本技术 一种块茎类作物双链输送机构及其收获机 (Double-chain conveying mechanism for tuber crops and harvester thereof ) 是由 马鹏程 赵晨阳 刘晓丽 陈娟 马进 王亚茹 马明义 赵新平 于 2021-10-27 设计创作，主要内容包括：本发明涉及一种块茎类作物双链输送机构,包括输送链装置,输送链装置前端入土用于挖掘块茎类作物,且块茎类作物随着输送链装置转动进行抖动和输送,输送链装置的上方安装抖动的压薯链装置,压薯链装置与输送链装置同转速相对转动,压薯链装置使块茎类作物在输送链装置输送的过程中处于压薯链装置和输送链装置的夹持下。本发明本采用输送链带装置与压薯链带装置配合的结构,在作业时输送链带装置前端入土,不会有尖锐部件对作物块茎造成损伤,降低损伤率,同时压薯链带装置与输送链带装置同转速相对转动,可保持块茎在输送带装置不会因输送链带装置的抖动形成大幅度的跳动而产生破皮之类的损伤,也不会因转速不同对块茎形成搓伤,降低损伤率。(The invention relates to a double-chain conveying mechanism for tuber crops, which comprises a conveying chain device, wherein soil is filled in the front end of the conveying chain device and used for excavating the tuber crops, the tuber crops are shaken and conveyed along with the rotation of the conveying chain device, a shaken potato pressing chain device is arranged above the conveying chain device, the potato pressing chain device and the conveying chain device rotate relatively at the same rotating speed, and the potato pressing chain device enables the tuber crops to be clamped by the potato pressing chain device and the conveying chain device in the conveying process of the conveying chain device. The potato tuber pressing chain belt device and the potato tuber pressing chain belt device are matched, soil is filled into the front end of the potato tuber pressing chain belt device during operation, no sharp part can damage crop tubers, and the damage rate is reduced.)

1. The utility model provides a two-chain conveying mechanism of tuber class crop which characterized in that: the tuber crop conveying device is characterized by comprising a conveying chain device, wherein the front end of the conveying chain device is buried for excavating tuber crops, the tuber crops are shaken and conveyed along with the rotation of the conveying chain device, a shaken potato pressing chain device is arranged above the conveying chain device, the potato pressing chain device and the conveying chain device rotate relatively at the same rotating speed, and the potato pressing chain device enables the tuber crops to be clamped by the potato pressing chain device and the conveying chain device in the conveying process of the conveying chain device.

2. The double-chain conveying mechanism for the tuber crops as claimed in claim 1, wherein: the conveying chain device comprises a conveying chain belt (16) and conveying grid bars (21) installed between two conveying chain belts (16), the conveying chain belt (16) is sleeved between a conveying chain rear shaft (26) and conveying chain carrier rollers (28) in the front of the conveying chain rear shaft (26), the conveying chain belt (16) and a potato pressing chain device are matched to clamp tuber crops, conveying chain quincuncial wheels (27) are installed on the conveying chain rear shaft (26), the conveying chain quincuncial wheels (27) are meshed with the conveying grid bars (21), the carrier rollers (20) are used for supporting the upper side and the tensioning conveying chain belt (16) of the conveying chain belt (16), and conveying belt chain wheels (19) are installed at one end of the conveying chain rear shaft (26).

3. The double-chain conveying mechanism for the tuber crops as claimed in claim 1 or 2, wherein: press potato chain device including pressing potato chain belt (15) and installing pressure potato grizzly (25) between two pressure potato chain belts (15), press potato chain belt (15) and carry chain belt (16) cooperation centre gripping tuber class crop, press potato chain belt (15) suit between pressure potato chain front axle (22) and pressure potato chain bearing roller (29), install pressure potato chain plum blossom wheel (23) on pressure potato chain front axle (22), press potato chain plum blossom wheel (23) and press potato grizzly (25) meshing, one end installation pressure potato area sprocket (14) on pressure potato chain front axle (22).

4. A harvester formed by a double-chain conveying mechanism for tuber crops according to any one of the preceding claims, characterized in that: the device comprises a rack (11), a transmission mechanism and a land wheel (10) installed on the rack (11), wherein a double-chain tuber crop conveying mechanism is installed on the front portion of the rack (11), a lifting device (5) is installed on the rack (11) behind the double-chain tuber crop conveying mechanism in an inclined mode, the lower end of the lifting device (5) is located below the rear portion of the double-chain tuber crop conveying mechanism, the upper end of the lifting device (5) is located above a collecting box (9), and the collecting box (9) is installed on the rear portion of the rack (11).

5. A harvester formed by a double-chain conveying mechanism for tuber crops according to claim 4, characterized in that: a lower buffer plate (8) is arranged in the collection box (9), and an upper buffer plate (7) is arranged on the upper part of the lifting device (5).

6. A harvester formed by a double-chain conveying mechanism for tuber crops according to claim 5, characterized in that: and bundling plates (24) are arranged on two sides of the rack (11) at the rear end of the double-chain conveying mechanism for the tuber crops.

7. A harvester formed by a double-chain conveying mechanism for tuber crops according to claim 1 or 6, characterized in that: drive mechanism includes right output sprocket (2), gear box (3), lift hopper sprocket II (4), lift hopper sprocket I (6), left output sprocket (13), presses potato area sprocket (14), conveyer belt sprocket (19), the middle part in frame (11) is installed in gear box (3), gear box (3) are equipped with left output sprocket (13) and right output sprocket (2), press potato area sprocket (14) and left output sprocket (13) linkage, right output sprocket (2) and conveyer belt sprocket (19) linkage, conveyer belt sprocket (19) and lift hopper sprocket II (4), lift hopper sprocket I (6) linkage.

Technical Field

The invention relates to the field of agricultural machinery harvesting machinery, in particular to a double-chain conveying mechanism for tuber crops and a harvester thereof.

Background

The mechanical harvesting technology of tuber crops is mature, and combined operation from single-function excavation harvesting to complex excavation, grading, bagging and the like is realized, all the existing tuber crop harvesting machines adopt a front-mounted excavating device to dig out tubers from soil for subsequent operation, but the growth depth of the tubers in the soil is not easy to be mastered, the excavating shovel is small in soil-entering depth, high damage rate and loss rate are easy to cause, and the too large soil-entering depth can cause overlarge power consumption and more ineffective excavation. At present, a tuber excavator which does not depend on an excavating device is not used in the market, so that higher excavating efficiency can be realized, and power can be more effectively utilized.

Disclosure of Invention

The invention aims to solve the technical problem of providing a double-chain conveying mechanism for tuber crops, which reduces the damage rate, the bark-breaking rate and the impurity rate in the harvesting operation process of the tuber crops.

It is another object of the present invention to provide a tuber crop harvester that uses a double-chain delivery mechanism for tuber crops.

The utility model provides a two-chain conveying mechanism of tuber class crop which characterized in that: the tuber crop conveying device comprises a conveying chain device, wherein the front end of the conveying chain device is buried into the soil and used for excavating tuber crops and shaking and conveying the tuber crops along with the rotation of the conveying chain device, a shaking potato pressing chain device is arranged above the conveying chain device, the potato pressing chain device and the conveying chain device rotate at the same rotating speed relatively, and the potato pressing chain device enables the tuber crops to be clamped by the potato pressing chain device and the conveying chain device in the conveying process of the conveying chain device.

The conveying chain device includes conveying chain belt and installs the transport grid between two conveying chain belts, the conveying chain suit is between the conveying chain bearing roller in conveying chain rear axle and the place ahead, conveying chain belt and potato chain device cooperation centre gripping tuber class crop, epaxial installation conveying chain plum blossom wheel in conveying chain rear axle, conveying chain plum blossom wheel and the meshing of carrying the grid, the bearing roller is used for supporting conveying chain belt's upside and tensioning conveying chain belt, the epaxial one end installation conveying belt sprocket of conveying chain rear axle.

Press potato chain device including pressing the potato chain belt and installing the pressure potato grizzly between two pressure potato chain belts, press the potato chain belt and carry chain belt cooperation centre gripping tuber class crop, press potato chain belt suit between pressure potato chain front axle and pressure potato chain bearing roller, install on the pressure potato chain front axle and press potato chain plum blossom wheel, press potato chain plum blossom wheel and press the meshing of potato grizzly, press the epaxial one end installation of potato chain front axle and press potato area sprocket.

The harvester that tuber class crop double-chain conveying mechanism formed, its characterized in that: the improved harvester comprises a rack, a transmission mechanism and a land wheel arranged on the rack, wherein a double-chain conveying mechanism for tuber crops is arranged at the front part of the rack, a lifting device is obliquely arranged on the rack behind the double-chain conveying mechanism for tuber crops, the lower end of the lifting device is positioned below the rear part of the double-chain conveying mechanism for tuber crops, the upper end of the lifting device is positioned above a collecting box, and the collecting box is arranged at the rear part of the rack.

The lower buffer plate is arranged in the collecting box, and the upper buffer plate is arranged on the upper part of the lifting device.

And beam collecting plates are arranged on two sides of the rack at the rear end of the double-chain conveying mechanism for the tuber crops.

A harvester formed by a double-chain conveying mechanism for tuber crops according to the claim, characterized in that: drive mechanism includes right output sprocket, gear box, lift bucket sprocket II, lift bucket sprocket I, left output sprocket, presses potato area sprocket, conveyer belt sprocket, the middle part in the frame is installed to the gear box, the gear box is equipped with left output sprocket and right output sprocket, press potato area sprocket and left output sprocket linkage, right side output sprocket and conveyer belt sprocket linkage, conveyer belt sprocket and lift bucket sprocket II, lift bucket sprocket I linkage.

The double-chain conveying mechanism for tuber crops provided by the invention adopts a structure that the conveying chain belt device is matched with the potato pressing chain belt device, when in operation, the front end of the conveying chain belt device is buried, no sharp part can damage crop tubers, and the damage rate is reduced. Use double-chain conveying mechanism's of tuber class crop harvester, it excavates to collect tuber class crop, tuber class crop and soil separation, collect in the multi-functional machines of an organic whole, adopt the hoisting device of slope, in the in-process of upwards carrying tuber class crop backward, the soil of adhesion can once separate with tuber class crop once more on the tuber class crop, reduce the impurity rate, install last buffer board and the lower buffer board that has cushioning effect respectively in hoisting device rear upper end and the collecting box, the tuber is on the buffer board, the height that the tuber once descended has been reduced, the damage rate that can produce when reducing the tuber and falling into the collecting box.

Drawings

FIG. 1 is an isometric view of the present invention;

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

FIG. 3 is a rear isometric view of the present invention;

FIG. 4 is a partial isometric view of the present invention;

in the figure: 1-traction frame 2-right output sprocket 3-gear box 4-lift bucket sprocket II 5-hoisting device 6-lift bucket sprocket I7-upper buffer plate 8-lower buffer plate 9-collecting box 10-land wheel 11-frame 12-frame side plate 13-left output sprocket 14-potato pressing belt sprocket 15-potato pressing chain belt 16-conveying chain belt 17-hydraulic oil cylinder 18-bearing seat 19-conveying belt sprocket 10-carrier roller 21-conveying grid 22-potato pressing chain front shaft 23-potato pressing chain plum 24-collecting plate 25-potato pressing grid 26-conveying chain rear shaft 27-conveying chain plum 28-conveying chain carrier roller 29-potato pressing chain carrier roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in the figure, the double-chain conveying mechanism for tuber crops comprises a conveying chain device, wherein soil is filled into the front end of the conveying chain device and is used for excavating the tuber crops and shaking and conveying the tuber crops along with the rotation of the conveying chain device, the shaken potato pressing chain device is arranged above the conveying chain device, the potato pressing chain device and the conveying chain device rotate relatively at the same rotating speed and convey the tuber crops clamped between the potato pressing chain device and the conveying chain device backwards and upwards, the conveying chain device comprises a conveying chain belt 16 and conveying grids 21 arranged between the two conveying chain belts 16, the conveying chain belt 16 is sleeved between a conveying chain rear shaft 26 and conveying chain carrier rollers 28, the conveying chain belt 16 and the potato pressing chain device are matched for clamping the tuber crops, a conveying chain quincuncial wheel 27 is arranged on the conveying chain rear shaft 26, the conveying chain wheel 27 is meshed with the conveying grid bars 21, carrier rollers 20 are arranged between the conveying chain rear shaft 26 and the conveying chain carrier rollers 28, the carrier rollers 20 are used for supporting the upper side of the conveying chain 16 and tensioning the conveying chain belt 16, the conveyor chain rear axle 26 has a conveyor sprocket 19 mounted on one end. The potato pressing chain device comprises a potato pressing chain belt 15 and potato pressing grid bars 25 arranged between the two potato pressing chain belts 15, the potato pressing chain belt 15 and a conveying chain belt 16 are matched to clamp tuber crops, the potato pressing chain belt 15 is sleeved between a potato pressing chain front shaft 22 and a potato pressing chain carrier roller 29, a potato pressing chain plum-blossom wheel 23 is arranged on the potato pressing chain front shaft 22, the potato pressing chain plum-blossom wheel 23 is meshed with the potato pressing grid bars 25, and a potato pressing belt chain wheel 14 is arranged at one end of the potato pressing chain front shaft 22.

As shown in the figure, the harvester using the double-chain conveying mechanism for the tuber crops comprises a frame 11, a transmission mechanism and a land wheel 10 arranged on the frame 11, wherein the land wheel 10 is used for supporting the whole machine to move on the ground surface. The front part of the frame 11 is provided with a traction frame 1 for being connected with a power machine in a hanging way. The front part of the frame 11 is provided with a frame side plate 12 for installing a double-chain conveying mechanism for tuber crops. The lifting device 5 is installed on the rack 11 behind the double-chain tuber crop conveying mechanism in an inclined mode and mainly used for upwards lifting harvested tuber crops, the lower end of the lifting device 5 is located below the rear portion of the double-chain tuber crop conveying mechanism, the upper end of the lifting device 5 is located above the collecting box 9, and the collecting box 9 is installed on the rear portion of the rack 11 and mainly used for collecting tuber crops. The lower buffer plate 8 is arranged in the collection box 9, the upper end of the lifting device 5 is provided with the upper buffer plate 7 which is mainly used for buffering the speed of crops falling from the lifting device 5 and reducing the damage rate, and the beam collecting plates 24 are arranged on two sides of the rack 11 at the rear end of the double-chain conveying mechanism for tuber crops. A hydraulic oil cylinder 17 is arranged at the rear lower part of the frame 11 and is linked with the collecting box 9 for hydraulically controlling the collecting box 9 so as to discharge tubers. Land wheel 10 is installed in the middle and lower part of frame 11, and gear box 3 is installed in the middle part before frame curb plate 12, and its left side is installed left output sprocket 13, and right side is installed right output sprocket 2, presses potato chain front axle 22 to install in frame curb plate 12 front lower place through bearing frame 18, presses potato to take sprocket 14 to install at pressing potato chain front axle 22 left end, presses potato to take sprocket 14 to link with left output sprocket 13.

Wherein drive mechanism includes right output sprocket 2, gear box 3, lift hopper sprocket II4, lift hopper sprocket I6, left output sprocket 13, press potato area sprocket 14, conveyer belt sprocket 19, gear box 3 installs the middle part in frame 11, gear box 3 is equipped with left output sprocket 13 and right output sprocket 2, press potato area sprocket 14 and the linkage of left output sprocket 13, right output sprocket 2 and the linkage of conveyer belt sprocket 19, conveyer belt sprocket 19 and lift hopper sprocket II4, lift hopper sprocket I6 linkage.

When the potato harvester works, the whole harvester is connected with a power machine in an articulated mode through the traction frame 1, the working states of all working parts are adjusted, and after the potato harvester enters a working land, the power machine transmits power to the conveying chain device, the potato pressing chain device and the lifting device 5 through the gear box 3. In the advancing process of the whole machine, the front end conveying grid 21 of the conveying chain device enters soil, the conveying chain belt 16 rotates clockwise backwards to drive tubers in the soil and the soil to be conveyed backwards, the conveying chain belt 16 and the conveying grid 21 can shake to a certain degree under the rotation of the conveying chain plum blossom wheel 27, the soil and small soil blocks flow down from the gap of the conveying grid 21, meanwhile, the potato pressing chain belt 15 of the potato pressing chain device rotates anticlockwise backwards, certain shaking can be generated under the rotation of the potato pressing belt plum blossom wheel 23, the potato pressing grid 25 on the lower side of the potato pressing chain belt 15 blocks tuber crops which are possibly thrown up due to the shaking of the conveying chain belt 16 on the conveying chain belt 16, the tuber crops cannot jump too high to form scratches or damages, the tuber crops are conveyed backwards under the clamping of the potato pressing chain belt 15 and the conveying chain belt 16 and fall into the lower part of the lifting device 5 through the clamping of the beam collecting plate 24, the lifting device 5 is inclined backwards to convey the tuber crops, the soil of adhesion can once more separate once with tuber class crop on the tuber class crop, improves and picks up clean rate, and tuber class crop is thrown backward at hoisting device 5's highest point, falls into buffer board 8 buffering once again after 7 cushions once on the buffer board, falls into collecting box 9. After the tuber crops are fully collected in the collecting box 9, the collecting box 9 is inclined backwards through the hydraulic oil cylinder 17, the tuber crops are unloaded, and the harvesting operation is completed.