CN215735727U - Lever type hole sowing seed discharging unit with adjustable sowing depth - Google Patents

Abstract

A lever type hole sowing seed discharging unit with adjustable sowing depth belongs to agricultural machinery; a sowing depth regulating block with a pin shaft and a lead screw with a hand wheel are arranged on a rectangular cylinder type single frame, the lead screw is in threaded connection and matching with the sowing depth regulating block, a lever provided with a strip-shaped through hole is inserted in a center hole of the sowing depth regulating block, the pin shaft is inserted in the strip-shaped through hole, a rigid seed guide pipe of a duckbill type dibbler is arranged at the bottom end of the duckbill type dibbler is inserted on the rectangular cylinder type single frame and is fixedly arranged on the left end part of the lever, a driving rod sleeved with a pressure spring is inserted on the rectangular cylinder type single frame and is hinged with the right end of the lever, a motor and a seed sowing device assembly with a seed box are arranged on the rectangular cylinder type single frame, a driving belt wheel is fixedly arranged on a seed sowing shaft of the seed sowing device assembly, a linkage shaft with a driven belt wheel and an eccentric wheel is arranged on the rectangular cylinder type single frame through a bracket, and a driving belt is sleeved on the driving belt wheel and the driven belt wheel; the single body realizes the adjustment of the hole sowing depth, and has high adjustment precision, simple adjustment operation and strong applicability.

Description

Lever type hole sowing seed discharging unit with adjustable sowing depth

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a lever-type structure seed discharging single body with adjustable hole sowing, sowing depth.

Background

The hill-drop is a seeding method with good agronomic performance for the current precision seeding, in the method, a duckbilled type hole opener is mostly adopted to be inserted into soil to complete the pit construction and the seed input and row seeding operation, and the hill-drop depth of the seeds can not be adjusted and changed. However, in actual production operation, different crop varieties have different sowing depth requirements, different soil conditions also have different and changed sowing depths of seeds, and the hole sowing assembly with the existing structure cannot meet and realize the requirement of adjusting and changing the sowing depths of the seeds under different seeds and different soil conditions, so that the operation adaptability is poor, the use performance is single, and the use rate is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and researches and designs a lever type hole sowing seed discharging unit with adjustable sowing depth by combining actual change requirements of hole sowing operation on different sowing depths, so as to achieve the purposes of adapting to and meeting different hole sowing depth requirements, being simple, convenient and quick in adjustment operation, high in adjustment precision, expanding the use performance of machines and tools and improving the use rate.

The invention aims to realize the purposes that a sowing depth regulating and controlling block is assembled in a rectangular cylinder type single frame in a horizontally and transversely movable manner, a lead screw is horizontally and axially positioned and circumferentially and rotatably installed on the rectangular cylinder type single frame, the lead screw and the sowing depth regulating and controlling block are in inserted threaded connection and matching, a lever with a strip-shaped through hole is horizontally and transversely movably inserted and installed in a central hole of the sowing depth regulating and controlling block, a pin shaft is fixedly inserted and installed on the sowing depth regulating and controlling block, the strip-shaped through hole on the lever and the pin shaft are in sleeved matching in a horizontally and transversely movable manner and in a circumferentially rotatable manner, a rigid seed guiding pipe and a driving rod are respectively inserted and vertically movably on the left side of the lower wall and the right side of the upper wall of the rectangular cylinder type single frame, the rigid seed guiding pipe is fixedly installed with the left end part of the lever, a duckbilled type hole opener is fixedly installed on the lower end part of the rigid seed guiding pipe, and the lower end part of the driving rod is hinged with the right end part of the lever, the pressure spring is sleeved on the lower side part of the driving rod, the upper end of the pressure spring is in contact positioning fit with the upper wall of the rectangular cylinder type single frame, the lower end of the pressure spring is axially positioned on the driving rod, a motor and a seed sowing device assembly are fixedly installed on the upper end surface of the left side of the rectangular cylinder type single frame, a seed box is assembled on the upper part of the seed sowing device assembly and communicated with each other, the upper end and the lower end of a flexible hose are respectively connected with a seed sowing port of the seed sowing device assembly and a seed guiding and feeding port, a motor shaft of the motor is connected with a seed sowing shaft of the seed sowing device assembly, a driving belt wheel is fixedly installed on the outer end part of the seed sowing shaft, a linkage shaft is rotatably supported and installed on the upper end surface of the right part of the rectangular cylinder type single frame through a bracket, a driven belt wheel and an eccentric wheel are fixedly installed on the two end parts of the linkage shaft respectively, a driving belt is sleeved on the driving belt wheel and the driven belt wheel, and the circumferential outer surface of the eccentric wheel is in tight extrusion contact fit with the upper end surface of the driving rod, and a hand wheel is fixedly arranged at the outer end part of the screw rod, so that a lever type hole sowing seed sowing single body with adjustable sowing depth is formed.

The invention realizes the change of the swing amplitude of the lever end by adjusting and changing the position of the lever fulcrum, and then drives the duckbill type dibbler to insert into the soil layer with different depths through the rigid seed guiding pipe to finish the stepless adjustment of the dibble seeding depth.

Drawings

FIG. 1 is a three-dimensional schematic view of the overall structure of a lever type hole sowing seed sowing unit with adjustable sowing depth;

fig. 2 is a rear three-dimensional schematic view of fig. 1.

Description of part numbers in the figures:

1. the device comprises a motor, 2, a seed sowing shaft, 3, a seed sowing assembly, 4, a seed box, 5, a driving belt wheel, 6, a driving belt, 7, an eccentric wheel, 8, a driven belt wheel, 9, a linkage shaft, 10, a driving rod, 11, a support, 12, a pressure spring, 13, a lead screw, 14, a hand wheel, 15, a rectangular cylinder type single frame, 16, a strip-shaped through hole, 17, a duckbilled type hole opener, 18, a sowing depth regulating block, 19, a rigid seed guide tube, 20, a pin shaft, 21, a lever, 22 and a flexible hose.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A lever type hole sowing and seed sowing single body with adjustable sowing depth comprises a seed sowing device assembly 3 and a duckbill type hole digger 17, a sowing depth regulating and controlling block 18 is assembled in a rectangular cylinder type single body frame 15 in a horizontally and transversely movable mode, a lead screw 13 is horizontally and axially positioned and circumferentially and rotatably installed on the rectangular cylinder type single body frame 15, the lead screw 13 is in inserted threaded connection and matching with the sowing depth regulating and controlling block 18, a lever 21 with a strip-shaped through hole 16 is inserted and installed in a central hole of the sowing depth regulating and controlling block 18 in a horizontally and transversely movable mode, a pin shaft 20 is fixedly inserted and installed on the sowing depth regulating and controlling block 18, the strip-shaped through hole 16 on the lever 21 is in sleeved matching with the pin shaft 20 in a horizontally and transversely movable mode and circumferentially and rotatably, a rigid seed guiding pipe 19 and a driving rod 10 are respectively inserted and vertically movable on the left side of the lower wall and the right side of the upper wall of the rectangular cylinder type single body frame 15, the rigid seed guiding pipe 19 is fixedly installed with the left end part of the lever 21, a duckbilled type hole opener 17 is fixedly arranged on the lower end part of a rigid seed guiding tube 19, the lower end part of a driving rod 10 is hinged with the right end part of a lever 21, a pressure spring 12 is sleeved on the lower side part of the driving rod 10, the upper end of the pressure spring 12 is contacted, positioned and matched with the upper wall of a rectangular cylinder type single frame 15, the lower end of the pressure spring 12 is axially positioned on the driving rod 10, a motor 1 and a seed metering device assembly 3 are fixedly arranged on the upper end surface of the left side of the rectangular cylinder type single frame 15, a seed box 4 is assembled on the upper part of the seed metering device assembly 3 and communicated with each other, the upper end and the lower end of a flexible hose 22 are respectively connected with a seed inlet of the seed guiding tube 19 and a seed inlet of the seed guiding tube assembly 3, a motor shaft of the motor 1 is connected with a seed metering shaft 2 of the seed metering device assembly 3, a driving belt wheel 5 is fixedly arranged on the outer end part of the seed metering shaft 2, and a linkage shaft 9 is rotatably supported and arranged on the upper end surface of the right part of the rectangular cylinder type single frame 15 through a bracket 11, a driven belt wheel 8 and an eccentric wheel 7 are fixedly installed on two end portions of the linkage shaft 9 respectively, a transmission belt 6 is sleeved on the driving belt wheel 5 and the driven belt wheel 8, the circumferential outer surface of the eccentric wheel 7 is in close extrusion contact fit with the upper end surface of the driving rod 10, and a hand wheel 14 is fixedly installed on the outer end portion of the lead screw 13.

When the device is used for operation, the motor 1 is started, the seed sowing shaft 2 and the driving belt wheel 5 rotate, the seed sowing shaft 2 discharges seeds entering the seed sowing device assembly 3 from the seed box 4, the seeds are put into the closed duckbilled hole opener 17 through the flexible hose 22 and the seed guide tube 19, the driving belt wheel 5 sequentially passes through the transmission belt 6, the driven belt wheel 8 and the linkage shaft 9 to drive the eccentric wheel 7 to rotate, the driving rod 10 which reciprocates up and down pushes the lever 21 to do up-and-down circumferential swing on the sowing depth regulating block 18 around the pin shaft 20 under the matching control of the eccentric wheel 7 and the pressure spring 12, the duckbilled hole opener 17 is driven by the rigid seed guide tube 19 to be inserted into seed bed soil and opened, the seed sowing operation is completed, then the duckbilled hole opener is lifted back and closed, and the operation is sequentially repeated. When the sowing depth is required to be adjusted, a hand wheel 14 is rotated by hand to drive a lead screw 13 to rotate in situ on the rectangular cylinder type single body frame 15, a sowing depth adjusting and controlling block 18 is pulled to drive a pin shaft 20 to horizontally and transversely move in the rectangular cylinder type single body frame 15, the matching position of the pin shaft 20 and a fulcrum of a strip-shaped through hole 16 on a lever 21 is adjusted and changed, the up-and-down amplitude of oscillation at the end part of the lever 21 is adjusted, the depth of the duckbilled type dibbler 17 which moves up and down and is inserted into the soil layer is changed through a rigid seed guiding pipe 19, and the stepless sowing depth adjustment is completed.

Claims (1)

1. The utility model provides a lever seeding depth is adjustable dibble seeding monomer, includes seed metering ware assembly (3) and duckbilled formula dibbler (17), its characterized in that: a sowing depth regulating and controlling block (18) is assembled in a rectangular cylinder type single frame (15) in a horizontally and transversely moving mode, a lead screw (13) is horizontally and axially positioned and circumferentially and rotatably installed on the rectangular cylinder type single frame (15), the lead screw (13) and the sowing depth regulating and controlling block (18) are in inserted threaded connection and matching, a lever (21) with a strip-shaped through hole (16) is horizontally and transversely movably inserted and installed in a central hole of the sowing depth regulating and controlling block (18), a pin shaft (20) is fixedly inserted and installed on the sowing depth regulating and controlling block (18), the strip-shaped through hole (16) on the lever (21) and the pin shaft (20) are in sleeved and matching in a horizontally and transversely moving mode and a circumferentially and rotating mode, a rigid seed guiding pipe (19) and a driving rod (10) are respectively inserted and vertically and movably on the left side and the right side of the lower wall and the upper wall of the rectangular cylinder type single frame (15), and the rigid seed guiding pipe (19) and the left end portion of the lever (21) are fixedly installed, a duckbilled hole opener (17) is fixedly arranged on the lower end part of a rigid seed guiding tube (19), the lower end part of a driving rod (10) is hinged with the right end part of a lever (21), a pressure spring (12) is sleeved on the lower side part of the driving rod (10), the upper end of the pressure spring (12) is contacted, positioned and matched with the upper wall of a rectangular cylinder type single frame (15), the lower end of the pressure spring (12) is axially positioned on the driving rod (10), a motor (1) and a seed metering device assembly (3) are fixedly arranged on the upper end surface of the left side of the rectangular cylinder type single frame (15), a seed box (4) is assembled on the upper part of the seed metering device assembly (3) and communicated with each other, the upper end and the lower end of a flexible hose (22) are respectively connected with a seed metering port of the seed metering device assembly (3) and a seed guiding tube (19) inlet, a motor shaft of the motor (1) is connected with a seed metering shaft (2) of the seed metering device assembly (3), and a driving belt wheel (5) is fixedly arranged on the outer end part of the seed metering shaft (2), a linkage shaft (9) is rotatably supported and installed on the upper end face of the right part of the rectangular barrel type single frame (15) through a support (11), a driven belt wheel (8) and an eccentric wheel (7) are fixedly installed on two end parts of the linkage shaft (9) respectively, a transmission belt (6) is sleeved on a driving belt wheel (5) and the driven belt wheel (8), the circumferential outer surface of the eccentric wheel (7) is in close extrusion contact fit with the upper end face of a driving rod (10), and a hand wheel (14) is fixedly installed on the outer end part of a lead screw (13).

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