CN213662485U

CN213662485U - Chinese yam seedling harvester

Info

Publication number: CN213662485U
Application number: CN202022782117.3U
Authority: CN
Inventors: 李乐明; 李金凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-13
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to an excavate harvest machinery, specific chinese yam seedling harvester that says so, including the frame, connect initiative hydro-cylinder and slave cylinder in the frame. The driving oil cylinder is connected to the tractor, when the cylinder barrel of the driven oil cylinder and the piston rod move relatively, the total length of the driven oil cylinder is unchanged, and the Chinese yam seedling harvester has a deviation function through the matching of the driving oil cylinder and the driven oil cylinder. The device is also provided with a gearbox, and the left end and the right end of the gearbox are provided with ditching chains, so that firstly, pre-ditching is carried out on the land; a straight board knife which is inclined towards the front lower part is arranged at the rear part of the ditching chain, and secondary ditching is carried out on the land. The straight plate knife is connected to the frame through a limit connecting plate and a connecting rod. The upper end of the connecting rod is connected with an eccentric device, and the connecting rod is driven to reciprocate up and down through the rotation of the eccentric device so as to shake the straight plate cutter. The pre-ditching and the secondary ditching are combined, so that the yam seedling harvester can obtain a good ditching effect, and the service life of the straight board knife is prolonged.

Description

Chinese yam seedling harvester

Technical Field

The utility model relates to an excavate harvester, specific chinese yam seedling harvester that says so.

Background

The yam seedling harvester needs to be hung behind a tractor to harvest, the yam seedling harvester can only advance along one ridge, but the width of the tractor is wider than that of the yam seedling harvester, the tractor needs to stretch across two ridges approximately, and when the yam seedling harvester is hung in the middle position behind the tractor, the operation can not be carried out along one ridge exactly, so that the yam seedling harvester needs to be added with a deviation function.

Thereby chinese yam seedling harvester among the prior art utilizes the straight board sword to ditching most and digs soil and results chinese yam seedling, but chinese yam seedling growth often very dark, only relies on the straight board sword to ditch, and the dynamics that needs is great, influences the operating efficiency of chinese yam seedling harvester, moreover, after carrying out the operation for a long time, the straight board sword produces the damage easily.

Disclosure of Invention

The utility model discloses a chinese yam seedling harvester, the utility model discloses a cooperation of initiative hydro-cylinder and slave cylinder makes chinese yam seedling harvester have the off tracking function, and ditching and secondary ditching combine together in advance, make chinese yam seedling harvester can obtain good ditching effect, strengthen the life of straight board sword.

The utility model relates to a chinese yam seedling harvester, frame including the level setting, the frame top is equipped with the gearbox that is connected to on the tractor through the transmission shaft, both ends connect the symmetry about the gearbox set up in the ditching chain of the frame left and right sides. The ditching chain is vertically arranged, the upper end and the lower end of the ditching chain are respectively arranged on the upper chain seat and the lower chain seat, the upper chain seat is connected with the gearbox, the lower chain seat is arranged at the lower end of a fixing rod vertically arranged below the rack, and a ditching sickle is arranged on the outer side of the ditching chain.

The rear of lower chain seat is equipped with the straight board sword of the slope of below to the front, straight board sword is in through vertical setting the spacing connecting plate and the connecting rod of frame rear end below are connected to in the frame, spacing connecting plate upper end is fixed in the frame, the lower extreme with straight board sword rotates to be connected, the connecting rod lower extreme with straight board sword rotates to be connected, the fixed sleeve that is equipped with the level and sets up in upper end. The sleeve is rotatably sleeved on an eccentric device which is positioned at the rear end of the frame and can rotate, and the connecting rod is driven to reciprocate up and down through the rotation of the eccentric device so as to drive the straight plate cutter to shake.

And a horizontally arranged driving oil cylinder is arranged below the front end of the frame and is connected to a distributor of the tractor. The driven oil cylinder is arranged in front of the driving oil cylinder, a cylinder barrel of the driven oil cylinder is fixedly connected with the cylinder barrel of the driving oil cylinder and the rack respectively, and the outer end of a piston rod of the driving oil cylinder is fixedly connected with a piston rod of the driven oil cylinder, which is located at the same end as the piston rod of the driving oil cylinder, through a connecting plate. The left end and the right end of the cylinder barrel of the driven oil cylinder extend out of the piston rod and are respectively connected to a left lower pull rod and a right lower pull rod of the tractor, when the cylinder barrel of the driven oil cylinder and the piston rod move relatively, the total length of the driven oil cylinder is unchanged, and the position of the harvester is adjusted leftwards or rightwards through the matching between the driving oil cylinder and the driven oil cylinder.

Furthermore, an inclination adjusting box body is connected to the front of the gearbox, the inclination adjusting box body comprises a driving gear and a driven gear which are meshed with each other, and the driving gear shaft and the driven gear shaft are located at the same height. The driving gear shaft is connected to a tractor through a transmission shaft, and the driven gear shaft is connected with the gearbox. If the harvester needs to be moved to the left side, the driven gear is positioned at the left side of the driving gear when the inclination adjusting box body is placed; if the harvester needs to move towards the right side, the driven gear is located on the right side of the driving gear when the inclination adjusting box body is placed.

Further, the eccentric device is an eccentric shaft horizontally arranged at the rear end of the rack, and the eccentric shaft rotates to drive the connecting rod to reciprocate up and down so as to drive the straight plate cutter to shake.

Furthermore, the eccentric device comprises a rotating shaft horizontally arranged at the rear end of the rack and an eccentric bearing positioned on the rotating shaft, the sleeve is sleeved on the eccentric bearing, and the rotating shaft and the eccentric bearing rotate to drive the connecting rod to move up and down in a reciprocating manner so as to drive the straight plate cutter to shake.

Furthermore, the end part of the eccentric device is connected with the upper chain seat through a transmission chain so as to rotate along with the upper chain seat.

Furthermore, the limiting connecting plate and the connecting rod are rotatably connected with the straight plate cutter through a wear-resistant bearing and a rotating shaft.

Furthermore, a connecting frame is fixedly arranged at the upper part of the front end of the machine frame, the upper end of the connecting frame is connected to the tractor through a hydraulic oil cylinder, and the connecting frame is connected with a driven oil cylinder and left and right lower pull rods of the tractor to form three-point suspension.

The utility model has the advantages that: the utility model has the function of deviation, and can stably work along a ridge; the pre-ditching and the secondary ditching are combined, so that the yam seedling harvester can obtain a good ditching effect, and the service life of the straight board knife is prolonged.

Drawings

The invention will be further explained with reference to the accompanying drawings, which are simplified schematic drawings and which illustrate, by way of illustration only, the basic structure of the invention and do not constitute an undue limitation on the invention:

fig. 1 is a schematic structural view of a yam seedling harvester of the present invention;

FIG. 2 is a top view of FIG. 1;

in the figure: 1. the device comprises a rack, 2, a driving oil cylinder, 3, a driven oil cylinder, 4, a gearbox, 5, a ditching chain, 6, a ditching sickle, 7, a straight plate knife, 8, a limiting connecting plate, 9, a connecting rod, 10, a sleeve, 11, an eccentric device, 12, an upper chain seat, 13, a lower chain seat, 14, a transmission chain, 15, a fixing rod, 16, an inclination adjusting box body, 17, a connecting plate, 18 and a connecting frame.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure, as the terms used are used to describe particular embodiments only, and are not intended to limit the exemplary embodiments based on the disclosure.

As shown in fig. 1 and fig. 2, the utility model relates to a Chinese yam seedling harvester, which comprises a horizontally arranged frame 1. The improved ditching and ditching combined machine is characterized in that a gearbox 4 connected to a tractor through a transmission shaft is arranged above the rack 1, the left end and the right end of the gearbox 4 are connected with ditching chains 5 symmetrically arranged on the left side and the right side of the rack 1, the ditching chains 5 are vertically arranged, the upper end and the lower end of each ditching chain are respectively installed on an upper chain seat 12 and a lower chain seat 13, the upper chain seats 12 are connected with the gearbox 4, the lower chain seats 13 are installed at the lower ends of fixing rods 15 vertically arranged below the rack 1, and ditching sickles 6 (only partially shown in the drawing) are arranged on the outer sides of the ditching chains.

A straight plate knife 7 inclined towards the front lower part is arranged behind the lower chain seat 13, and the straight plate knife 7 is connected to the rack 1 through a limiting connecting plate 8 and a connecting rod 9 which are vertically arranged below the rear end of the rack 1. The upper end of the limiting connecting plate 8 is fixed on the rack 1, and the lower end of the limiting connecting plate is rotatably connected with the straight plate knife 7. The lower end of the connecting rod 9 is rotatably connected with the straight plate knife 7, the upper end of the connecting rod is fixedly provided with a horizontally arranged sleeve 10, the sleeve 10 is rotatably sleeved on an eccentric device 11 which is positioned at the rear end of the rack 1 and can rotate, and the connecting rod 9 is driven by the rotation of the eccentric device 11 to move up and down in a reciprocating manner so as to drive the straight plate knife 7 to shake. The limiting connecting plate 8 and the connecting rod 9 are connected with the straight plate cutter 7 in a rotating mode through a wear-resistant bearing and a rotating shaft. The eccentric device 11 can be an eccentric shaft horizontally arranged at the rear end of the rack 1, and the eccentric shaft rotates to drive the connecting rod 9 to reciprocate up and down so as to drive the straight plate knife 7 to shake; the eccentric device 11 can also be horizontally arranged on a rotating shaft at the rear end of the rack 1 and an eccentric bearing positioned on the rotating shaft, the sleeve 10 is sleeved on the eccentric bearing, and the rotating shaft and the eccentric bearing rotate to drive the connecting rod 9 to move up and down to drive the straight plate cutter 7 to shake. The end of the eccentric device 11 is connected to the upper chain holder 12 through a transmission chain 14 so as to rotate along with the upper chain holder 12.

And a horizontally arranged driving oil cylinder 2 is arranged below the front end of the frame 1, and the driving oil cylinder 2 is connected to a tractor distributor. The driven oil cylinder 3 is arranged in front of the driving oil cylinder 2, a cylinder barrel of the driven oil cylinder 3 is fixedly connected with the cylinder barrel of the driving oil cylinder 2 and the rack 1 respectively, and the outer end part of a piston rod of the driving oil cylinder 2 is fixedly connected with a piston rod of the driven oil cylinder 3, which is positioned at the same end as the piston rod, through a connecting plate 17. The left end and the right end of the cylinder barrel of the driven oil cylinder 3 extend out of the piston rod and are respectively connected to a left lower pull rod and a right lower pull rod of a tractor, when the cylinder barrel of the driven oil cylinder 3 and the piston rod move relatively, the total length of the driven oil cylinder 3 is unchanged, and the position of the harvester is adjusted leftwards or rightwards through the matching between the driving oil cylinder 2 and the driven oil cylinder 3. The upper part of the front end of the frame 1 is fixedly provided with a connecting frame 18, the upper end of the connecting frame 18 is connected to a tractor through a hydraulic oil cylinder (not shown in the figure), and the connecting frame is connected with a driven oil cylinder 3 and left and right lower pull rods of the tractor to form three-point suspension, so that the operation process of the yam seedling harvester is more stable.

An inclination adjusting box body 16 is connected to the front of the gearbox 4, two driving gears and two driven gears which are meshed with each other are arranged inside the inclination adjusting box body 16, a driving gear shaft and a driven gear shaft are located at the same height, the driving gear shaft is connected to a tractor through a transmission shaft, and the driven gear shaft is connected with the gearbox 4. If the harvester needs to be moved to the left side, the driven gear is positioned at the left side of the driving gear when the inclination adjusting box body 16 is placed; if the harvester needs to be moved to the right, the driven gear is positioned at the right side of the driving gear when the inclination adjusting box 16 is placed.

The tractor controls the piston rod and the cylinder barrel of the driving oil cylinder 2 to move relatively, and the piston rod of the driven oil cylinder 3 is fixedly connected with the piston rod of the driving oil cylinder 2, and the cylinder barrel of the driving oil cylinder 2 is fixedly connected with the cylinder barrel of the driven oil cylinder 3, so that the piston rod and the cylinder barrel of the driven oil cylinder 3 also move relatively. The frame 1 is fixedly connected to the cylinder barrel of the driven oil cylinder 3, so that the Chinese yam seedling harvester moves leftwards or rightwards to a proper position along with the interaction between the driving oil cylinder 2 and the driven oil cylinder 3.

When the Chinese yam seedling harvester moves leftwards or rightwards relative to the tractor to realize the deviation function, the transmission shaft is connected with the gearbox 4 and the tractor to generate deviation, and the deviation of the transmission shaft caused by the deviation of the Chinese yam seedling harvester can be adjusted back to the greatest extent by arranging the inclination adjusting box body 16 (if the harvester needs to move leftwards, the driven gear is positioned on the left side of the driving gear when the inclination adjusting box body 16 is placed, and if the harvester needs to move rightwards, the driven gear is positioned on the right side of the driving gear when the inclination adjusting box body 16 is placed), so that the deviation of the transmission shaft is reduced or even eliminated. The distance between the driving gear shaft and the driven gear shaft is determined according to the required deviation distance of the yam seedling harvester.

The transmission shaft that is connected with the tractor drives gearbox 4 and rotates, and then drives the 5 operation of ditching chains of the 4 left and right sides of gearbox, because be equipped with ditching sickle 6 on ditching chains 5, can carry out ditching in advance to the soil along with the in-process that chinese yam seedling harvester goes on, straight board sword 7 carries out the secondary ditching and then can relax carries out the results operation in its rear, makes chinese yam seedling harvester can obtain good ditching effect, strengthens the life of straight board sword 7.

The straight knife 7 is connected with the eccentric device 11 through the upper end of the connecting rod 9, the connecting rod 9 is driven to move up and down in a reciprocating mode along with the rotation of the eccentric device 11, the straight knife 7 is driven to shake, the soil on the upper portion of the straight knife 7 is turned over, yam seedlings in the soil are shaken out in the shaking process, and the yam seedlings can be conveniently picked up on the next step.

In the description of the present invention, the terms describing directions such as "front", "rear", "left", "right" and the like are all based on the positional relationship when the present invention is connected to a tractor, and the position close to the tractor is front and the position far from the tractor is rear; the left and right are consistent with the left and right positions when people sit on the tractor, and the outer side of the ditching chain means the side opposite to the side close to the upper chain seat and the lower chain seat. The above terminology is for the purpose of simplifying the description of the present invention only and is not to be construed as limiting the present invention.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A chinese yam seedling harvester which characterized in that: the automatic ditching and cutting machine comprises a horizontally arranged frame, a gearbox connected to a tractor through a transmission shaft is arranged above the frame, the left end and the right end of the gearbox are connected with ditching chains symmetrically arranged on the left side and the right side of the frame, the ditching chains are vertically arranged, the upper end and the lower end of each ditching chain are respectively arranged on an upper chain seat and a lower chain seat, the upper chain seats are connected with the gearbox, the lower chain seats are arranged at the lower ends of fixing rods vertically arranged below the frame, a ditching sickle is arranged on the outer side of each ditching chain, a straight plate knife inclined towards the front lower side is arranged behind the lower chain seats, the straight plate knife is connected to the frame through a limiting connecting plate and a connecting rod vertically arranged below the rear end of the frame, the upper end of the limiting connecting plate is fixed on the frame, the lower end of the limiting connecting plate knife is rotatably connected with the straight, the upper end of the driving oil cylinder is fixedly provided with a horizontally arranged sleeve, the sleeve is rotatably sleeved on an eccentric device which is positioned at the rear end of the machine frame and can rotate, the connecting rod is driven by the rotation of the eccentric device to reciprocate up and down to drive the straight board knife to shake, a horizontally arranged driving oil cylinder is arranged below the front end of the machine frame, the driving oil cylinder is connected to a distributor of the tractor, a driven oil cylinder is arranged in front of the driving oil cylinder, the cylinder barrel of the driven oil cylinder is respectively and fixedly connected with the cylinder barrel of the driving oil cylinder and the machine frame, the outer end part of the piston rod of the driving oil cylinder is fixedly connected with the piston rod of the driven oil cylinder which is positioned at the same end as the piston rod of the driving oil cylinder through a connecting plate, the left and right ends of the cylinder barrel of the driven, the total length of the slave cylinder is unchanged.

2. The yam seedling harvester of claim 1, wherein: inclination adjustment box is connected in the place ahead of gearbox, the inside of inclination adjustment box includes two intermeshing's driving gear and driven gear, and driving gear axle and driven gear shaft are located the same height, driving gear axle is connected to the tractor through the transmission shaft, driven gear shaft connection the gearbox is placed when moving harvester to the left side, makes during the inclination adjustment box driven gear is located the driving gear left side, when moving harvester to the right side, places make during the inclination adjustment box driven gear is located the driving gear right side.

3. The yam seedling harvester of claim 1, wherein: the eccentric device is an eccentric shaft horizontally arranged at the rear end of the rack, and the eccentric shaft rotates to drive the connecting rod to reciprocate up and down so as to drive the straight plate cutter to shake.

4. The yam seedling harvester of claim 1, wherein: the eccentric device comprises a rotating shaft and an eccentric bearing, the rotating shaft is horizontally arranged at the rear end of the rack, the eccentric bearing is arranged on the rotating shaft, the sleeve is sleeved on the eccentric bearing, and the rotating shaft and the eccentric bearing rotate to drive the connecting rod to move up and down in a reciprocating manner so as to drive the straight plate cutter to shake.

5. The yam seedling harvester according to claim 3 or 4, wherein: the end part of the eccentric device is connected with the upper chain seat through a transmission chain, so that the eccentric device rotates along with the upper chain seat.

6. The yam seedling harvester according to any one of claims 1-4, wherein: the limiting connecting plate and the connecting rod are rotatably connected with the straight plate cutter through a wear-resistant bearing and a rotating shaft.

7. The yam seedling harvester according to any one of claims 1-4, wherein: the upper part of the front end of the rack is fixedly provided with a connecting frame, the upper end of the connecting frame is connected to the tractor through a hydraulic oil cylinder, and the connecting frame is connected with a driven oil cylinder and left and right lower pull rods of the tractor to form three-point suspension.