CN214852731U

CN214852731U - Sowing depth control device of no-tillage sowing machine

Info

Publication number: CN214852731U
Application number: CN202121189314.2U
Authority: CN
Inventors: 张立新; 丛文龙
Original assignee: Heilongjiang Yaosheng Machinery Manufacturing Co ltd
Current assignee: Heilongjiang Yaosheng Machinery Manufacturing Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-26
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a no-tillage seeder seeding depth control device, including the seeding case, the vertical supporting legs of each fixedly connected with in bottom four corners position of seeding case, every the bottom of supporting legs is installed and is removed the wheel, fixedly connected with pushes away the handle on the outer wall of one side of seeding case, set up the kind of seed groove that is the awl and fights in the seeding case, the bottom cell wall of kind of seed groove runs through sliding connection and has the seeding pipe, be equipped with adjusting device on the seeding pipe. The utility model discloses be equipped with adjusting device, the accessible is rotated the crank and is adjusted the seeding height of seeding pipe, makes the lower extreme mouth of pipe of seeding pipe just to the slot, prevents the skew of seed, and adjusts the back seeding pipe and can highly fix by oneself to the place, whole convenient operation is swift, the face angle of shovel of ditching shovel also will produce the change after the position of seeding pipe changes, more be favorable to the ditching seeding, whole seeder cost is cheap, easy maintenance is applicable to production and use.

Description

Sowing depth control device of no-tillage sowing machine

Technical Field

The utility model relates to an agricultural seeding technical field especially relates to no-tillage seeder depth of planting controlling means.

Background

Sowing is one of crop cultivation measures, and is an operation of timely sowing materials into a soil layer with a certain depth according to a certain quantity and mode. The proper sowing directly influences the growth and the yield of crops, and in order to improve the sowing quality, seed treatment, labor, animal power, sowing boxes and the like are prepared before sowing in addition to fine land preparation.

To different soil and different crops, the required degree of depth of seeding is completely different, and current no-tillage seeder does not generally have the depth of seeding controlling means, can only control the degree of depth of ditching, and the seed whereabouts position is unchangeable, leads to seed and slot distance great and other positions of drippage easily, influences the seeding effect, and the seeding case that has the depth regulation is expensive, is difficult for maintaining during the damage, for this reason, proposes no-tillage seeder depth of seeding controlling means.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the prior art and provides a seeding depth control device of a no-tillage seeding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sowing depth control device of the no-tillage sowing machine comprises a sowing box, wherein each vertical supporting leg is fixedly connected to the four corners of the bottom of the sowing box, each supporting leg is provided with a movable wheel at the bottom end, a pushing handle is fixedly connected to the outer wall of one side of the sowing box, a seed groove in a conical hopper shape is formed in the sowing box, the bottom groove wall of the seed groove is connected with a sowing pipe in a penetrating and sliding mode, and an adjusting device is arranged on the sowing pipe.

Preferably, the lower end of the sowing pipe extends to the position of the movable wheel, a ditching shovel is rotatably connected to the outer wall of the lower end of the sowing pipe through a pin shaft, the cross section of the sowing pipe is rectangular, and a plurality of feeding holes are formed in the outer wall of the upper end of the sowing pipe and communicated with the inner pipe wall.

Preferably, adjusting device includes the fixed plate, fixed plate fixed connection is on the middle part outer wall of seeding pipe, it is connected with a screw shaft to rotate on the bottom outer wall of seeding case, screw shaft and fixed plate pass through threaded connection, the coaxial welding of lower extreme of screw shaft has the worm wheel, a mounting panel of bottom surface one side fixedly connected with of seeding case, it is connected with a worm to rotate through the bearing on the mounting panel, worm and worm wheel intermeshing, the worm is kept away from the one end fixedly connected with crank of worm wheel.

Preferably, the rocking handle and the pushing handle are both provided with anti-skid grains.

Preferably, the bottom surface of the sowing box is fixedly connected with a first rotating seat on one side of the sowing pipe far away from the fixed plate, the first rotating seat is rotatably connected with a connecting rod through a pin shaft, one end of the ditching shovel far away from the shovel surface is fixedly connected with a second rotating seat, and the lower end of the connecting rod is rotatably connected with a coaxial bearing of the second rotating seat.

Preferably, the ditching shovel and the seeding pipe are both made of chrome-nickel alloy steel.

The utility model discloses in, compare with prior art, the utility model has the advantages of:

1. the utility model is provided with the adjusting device, the seeding height of the seeding pipe can be adjusted by rotating the crank handle, so that the lower end pipe orifice of the seeding pipe is just opposite to the groove, the deviation of seeds is prevented, the seeding pipe can be automatically fixed to the height after adjustment, and the whole operation is convenient and rapid;

2. the utility model discloses when the position of seed sowing pipe changes, the height of ditching shovel will also change, and the length of connecting rod is fixed, and this shovel face angle that will make the ditching shovel changes, is favorable to better depthkeeping and seeding, and whole seeder cost is cheap, and easy maintenance is applicable to production and use.

Drawings

FIG. 1 is a schematic structural view of a seeding depth control device of a no-tillage seeding machine provided by the utility model;

FIG. 2 is a structural bottom view of the bottom of the sowing depth control device of the no-tillage planter in accordance with the present invention;

fig. 3 is an enlarged schematic view of the sowing depth control device A of the no-tillage planter provided by the utility model.

In the figure: 1 seeding box, 2 supporting legs, 3 moving wheels, 4 pushing handles, 5 seed grooves, 6 seeding pipes, 7 feed holes, 8 furrowing shovels, 9 first rotating seats, 10 connecting rods, 11 second rotating seats, 12 fixed plates, 13 threaded shafts, 14 worm wheels, 15 mounting plates, 16 worms and 17 rocking handles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a sowing depth control device of a no-tillage planter comprises a sowing box 1, wherein each of four corners of the bottom of the sowing box 1 is fixedly connected with a vertical supporting leg 2, a moving wheel 3 is installed at the bottom end of each supporting leg 2, a pushing handle 4 is fixedly connected to the outer wall of one side of the sowing box 1, a seed groove 5 in a conical hopper shape is arranged in the sowing box 1, a sowing pipe 6 is connected to the bottom groove wall of the seed groove 5 in a penetrating and sliding manner, and an adjusting device is arranged on the sowing pipe 6.

The lower extreme of seeding pipe 6 extends to and removes 3 position departments of wheel, rotates through the round pin axle on the lower extreme outer wall of seeding pipe 6 to be connected with ditching shovel 8, and the cross section of seeding pipe 6 is the rectangle, has seted up a plurality of feed ports 7 and interior pipe wall intercommunication on the upper end outer wall of seeding pipe 6.

Adjusting device includes fixed plate 12, fixed plate 12 fixed connection is on the middle part outer wall of seeding pipe 6, it is connected with a screw shaft 13 to rotate on the bottom outer wall of seeding case 1, screw shaft 13 passes through threaded connection with fixed plate 12, the lower extreme coaxial welding of screw shaft 13 has worm wheel 14, mounting panel 15 of bottom surface one side fixedly connected with of seeding case 1, it is connected with a worm 16 to rotate through the bearing on the mounting panel 15, worm 16 and worm wheel 14 intermeshing, worm 16 keeps away from the one end fixedly connected with crank 17 of worm wheel 14, all be provided with anti-skidding line on crank 17 and the push handle 4.

The first seat 9 that rotates of one side fixedly connected with that fixed plate 12 was kept away from to seed tube 6 that lies in on the bottom surface of seeding case 1, it is connected with a connecting rod 10 to rotate through the round pin axle on the first seat 9 that rotates, the one end fixedly connected with second that the face was kept away from to ditching shovel 8 rotates seat 11, the lower extreme and the second of connecting rod 10 rotate seat 11 coaxial bearing and rotate and be connected, ditching shovel 8 and seed tube 6 all adopt chromium-nickel alloy steel to make, have good anticorrosive rust-resistant ability under the effect of guaranteeing the durability.

When the utility model is used, the seeding box 1 is moved by pushing the push handle 4, the ditching shovel 8 is utilized to overturn soil, seeds fall from the seeding tube 6 to complete seeding when the seeding depth is required to be adjusted, the handle 17 can be rotated to drive the worm 16 to rotate, the worm 16 and the worm wheel 14 are meshed to drive the threaded shaft 13 to rotate, the threaded shaft 13 is connected with the fixed plate 12 through the thread, the fixed plate 12 pulls the seeding tube 6 to move up and down under the rotation action of the threaded shaft 13, thereby adjusting the seeding height of the seeding tube 6, the thread on the threaded shaft 13 has self-locking effect on the fixed plate 12, the self-fixing of the height is convenient, when the position of the seeding tube 6 is changed, the height of the ditching shovel 8 is also changed, and the length of the connecting rod 10 is fixed, thereby the face angle of the ditching shovel 8 is changed, the method has better performance when a deep ditch is opened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sowing depth control device of the no-tillage sowing machine comprises a sowing box (1) and is characterized in that each vertical supporting leg (2) is fixedly connected to the four corners of the bottom of the sowing box (1) and each supporting leg (2) is mounted at the bottom end of each supporting leg (2) and is provided with a movable wheel (3), a push handle (4) is fixedly connected to the outer wall of one side of the sowing box (1), a seed groove (5) which is in a conical hopper shape is formed in the sowing box (1), the bottom groove wall of the seed groove (5) is connected with a sowing pipe (6) in a penetrating and sliding mode, and an adjusting device is arranged on the sowing pipe (6).

2. The sowing depth control device of the no-tillage planter according to claim 1, wherein the lower end of the sowing pipe (6) extends to the position of the moving wheel (3), a ditching shovel (8) is rotatably connected to the outer wall of the lower end of the sowing pipe (6) through a pin shaft, the cross section of the sowing pipe (6) is rectangular, and a plurality of feeding holes (7) are formed in the outer wall of the upper end of the sowing pipe (6) and communicated with the inner pipe wall.

3. The sowing depth control device of the no-tillage sowing machine according to claim 2, wherein the adjusting device comprises a fixing plate (12), the fixing plate (12) is fixedly connected to the outer wall of the middle part of the sowing pipe (6), the outer wall of the bottom of the sowing box (1) is rotatably connected with a threaded shaft (13), the threaded shaft (13) is in threaded connection with the fixing plate (12), a worm wheel (14) is coaxially welded at the lower end of the threaded shaft (13), a mounting plate (15) is fixedly connected to one side of the bottom of the sowing box (1), a worm (16) is rotatably connected to the mounting plate (15) through a bearing, the worm (16) is meshed with the worm wheel (14), and a crank (17) is fixedly connected to one end, far away from the worm wheel (14), of the worm (16).

4. The sowing depth control device of the no-tillage planter according to claim 3, wherein the handle (17) and the push handle (4) are provided with anti-skid lines.

5. The sowing depth control device of the no-tillage sowing machine according to claim 3, wherein a first rotating seat (9) is fixedly connected to one side, away from a fixed plate (12), of the sowing pipe (6) on the bottom surface of the sowing box (1), a connecting rod (10) is rotatably connected to the first rotating seat (9) through a pin shaft, a second rotating seat (11) is fixedly connected to one end, away from a shovel surface, of the furrowing shovel (8), and the lower end of the connecting rod (10) is rotatably connected with a coaxial bearing of the second rotating seat (11).

6. The sowing depth control device of the no-tillage planter according to claim 5, wherein the furrowing blade (8) and the sowing pipe (6) are both made of chrome-nickel alloy steel.