CN202652848U

CN202652848U - Adjustable hole sowing device

Info

Publication number: CN202652848U
Application number: CN 201220299544
Authority: CN
Inventors: 吕小荣; 吕小莲; 程新平
Original assignee: Sichuan Agricultural University
Current assignee: Sichuan Agricultural University
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2013-01-09
Anticipated expiration: 2022-06-26

Abstract

The utility model discloses an adjustable hole sowing device. The adjustable hole sowing device is characterized in that a hole sowing wheel disc is arranged on a middle shaft by virtue of a bearing; a seed filling disc seed distributing device is fixedly arranged at the centre of the hole sowing wheel disc; inoculating devices are radially uniformly distributed at the periphery of the seed filling disc seed distributing device along the radial direction of the hole sowing wheel disc; a duck bill part is arranged at the lower end of each inoculating device in a sleeve form; each duck bill part is fixedly arranged on a sliding block; duck bill part rails are arranged on the hole sowing wheel disc along the radial direction; the sliding blocks are slideable components arranged on the duck bill part rails; a group of connecting rods are uniformly distributed at the periphery of a middle shaft, and correspondingly hinged with the sliding blocks in an one-to-one way; the central ends of the connecting rods are hinged at the periphery of an adjusting seat; and a central adjusting sleeve of the adjusting seat is matched with the middle shaft by virtue of threads. With the adoption of the adjustable hole sowing device disclosed by the utility mode, the spacing between the sowing holes can be adjusted according to different seeds, so that the spacing can be continuously adjusted in a certain range.

Description

A kind of adjustable dibbler

Technical field

The utility model relates to dibbler, belongs to agricultural machinery technological field.

Background technology

The adjustability of seeding operation kind distance is to estimate a leading indicator of sower service behaviour, and existing most of facility can not satisfy this requirement preferably." air seeder " can be regulated the cavitation frequency by operated pneumatic valve and adjust kind of a distance, but its structure is too complicated.Now " wheeled sower " commonly used often adjusted dropping frequency simultaneously by changing the cavitation part count, or changes the method such as dropping frequency and adjust kind of a distance, but still difficulty better satisfies planting requirement.

The research of duck-beak type bunch planting machinery is main mainly with top situation also at present, the mechanization bunch planting of adopting special seeder to implement, and the sowing effect is no doubt desirable, but they exist the implement structure complexity, the scope of application is little, and frequency of utilization is low, relatively the high defective of acquisition cost.

Summary of the invention

The utility model is for avoiding the existing weak point of above-mentioned prior art, a kind of adjustable dibbler is provided, specific requirement according to the sowing seed growth, regulate sowing cave distance, realize continuously roll adjustment of certain limit, enlarge the machine scope of application to reach, improve the frequency of utilization of machine, realize a tractor serves several purposes, simple in structure, the purpose of reduction use cost.

The utility model is that the technical solution problem adopts following technical scheme:

The design feature of the adjustable dibbler of the utility model is:

One bunch planting wheel disc is arranged on the axis by bearing, fills the central authorities that kind of disc type seeder is fixedly installed on the bunch planting wheel disc; Centered by the center of described bunch planting wheel disc, in the described periphery of filling kind of disc type seeder, penetrate shape each inoculator that evenly distributes along radially being of bunch planting wheel disc, with the sleeve pipe form duckbilled is set in the lower end of described inoculator, described duckbilled is fixedly installed on the slide block; Be disposed radially the duckbilled track at described bunch planting wheel disc, described slide block is the slidable member that arranges on the duckbilled track;

One group of connecting rod is the umbrella frame shape and is evenly distributed on the periphery of axis and corresponding hinged one by one with described slide block, and the center-side of described connecting rod is hinged on the periphery of an adjustment seat, and described adjustment seat is with its center regulating sleeve and axis threaded engagement.

The design feature of the adjustable dibbler of the utility model also is:

Described regulating sleeve is hex nut.

Described regulating sleeve is to match with rectangular thread with axis.

Compared with the prior art, the utility model beneficial effect is embodied in:

1, the utility model utilization is the equally distributed one group of connecting rod of umbrella frame shape and makes to rotate and become rectilinear motion, and overall structure is simply compact, lightweight, uses flexibly easy disassembly.

2, the method for the utility model employing threaded adjusting is regulated the circumferential distance between the duckbilled, but has realized certain limit continuous setup distance, can satisfy the spacing in the rows requirement of Different Crop, guarantees the bunch planting spacing in the rows.

3, the utility model adopts the rectangular thread engagement, and driving torque is stablized greatly.

4, the utility model can be mounted on the hill-drop planter easily, enhances productivity and operation quality, enlarges the scope of application, improves frequency of utilization, realizes a tractor serves several purposes.

Description of drawings

Fig. 1 is the structural representation of facing of the adjustable dibbler of the utility model;

Fig. 2 is the A-A cutaway view of Fig. 1 in the utility model;

Fig. 3 is the location drawing after the adjustable dibbler of the utility model is regulated;

Number in the figure: 1 duckbilled; 2 inoculators; 3 fill kind of a disc type seeder; 4 bunch planting wheel discs; 5 articulate support; 41 axis; 42 regulating sleeves; 43 adjustment seats; 44 attachment screws; 45 connecting rods; 46 disk supporting seats; 47 slide blocks.

Embodiment

Referring to Fig. 1, Fig. 2 and Fig. 3, the version of adjustable dibbler is to arrange in the present embodiment:

Bunch planting wheel disc 4 is arranged on the axis 41 by bearing, fills the central authorities that kind of disc type seeder 3 is fixedly installed on bunch planting wheel disc 4; Centered by the center of bunch planting wheel disc 4, in the periphery of filling kind of disc type seeder 3, penetrate shape each inoculator 2 that evenly distributes along radially being of bunch planting wheel disc 4, with the sleeve pipe form duckbilled 1 is set in the lower end of inoculator 2, duckbilled 1 is fixedly installed on the slide block 47; Be disposed radially the duckbilled track at bunch planting wheel disc 4, slide block 47 is the slidable members that arrange on the duckbilled track;

One group of connecting rod 45 is the umbrella frame shape and is evenly distributed on the periphery of axis 41 and corresponding hinged one by one with slide block 47, and the center-side of connecting rod 45 is hinged on the periphery of an adjustment seat 43, and adjustment seat 43 is with its center regulating sleeve 42 and axis 41 threaded engagement.

For the ease of regulating, regulating sleeve 42 is set to hex nut; In order to guarantee driving torque, arranging between regulating sleeve 42 and the axis 41 is to match with rectangular thread.

In the implementation, corresponding structure setting also comprises:

Referring to Fig. 1 and Fig. 2, duckbilled 1 is fixed by screw and slide block 47; Inoculator 2 is fixed by the disk supporting seat 46 of screw and bunch planting wheel disc 4, and inserts in the duckbilled 1; Filling kind of disc type seeder 3 is built in bunch planting wheel disc 4 and by axis 41 two assemblies is linked together.

Referring to Fig. 2 and Fig. 3, be processed with one section rectangular thread at axis 41; The upper end of regulating sleeve 42 is processed into hexahedron and is convenient to spanner and regulates, inside is processed into rectangular thread and is cooperated transmission power with axis 41, the outside, middle part has a ladder to be close to adjustment seat 43, carry out the transmission of power, thereby make adjustment seat 43 realize rectilinear motion, the outside, bottom has processed a circle groove, is connected with adjustment seat 43 by attachment screw 44, has realized regulating sleeve 42 flexible rotatings; Adjustment seat 43 top cylindrical sides have two holes, are convenient to attachment screw 44 and pass through, and the top is a big disk, and around the disk ten pairs of engaging lugs that the centre is porose are arranged, and are hinged engaging lug and connecting rod 45 by pin, thereby realize the motion of connecting rod 45; Having ten recessed grooves in centre above the disk supporting seat 46 supplies slide block 47 in interior slip; The track of convexity is processed in slide block 47 sides, is convenient to insert in the disk supporting seat 46, realizes rectilinear motion, and the side is drilled with a through hole, is convenient to by pin articulated linkage 45, and rear bottom surface has a groove and is convenient to connecting rod 45 leading portions and puts into, and is hinged with it by pin.

Before carrying out seeding operation, the cave is articulated on the link 5 of sower apart from adjustable seeder, make bunch planting wheel disc 4 motionless, cave distance according to the crop requirement, roll adjustment is carried out apart from adjustable seeder in the cave, as scheme shown in Figure 3ly, the preprepared spanner is blocked six square toes of regulating sleeve 42 and regulate.If the cave is apart from tuning up, the regulating sleeve 42 that moves in the direction of the clock travels forward it, thereby drive the motion of adjustment seat 43 phase fronts, because adjustment seat 43 travels forward, so that the connecting rod 45 hinged with it is subject to outside forward power, make its forward outwards motion, will make like this with the hinged slide block 47 of connecting rod 45 and also be subject to outside forward power, because slide block 47 is inserted in the disk supporting seat 46, and that disk supporting seat 46 is fixed is motionless, thus slide block 47 can only outwards move along track, thereby driving affixed duckbilled 1 thereon outwards moves along same route, enlarged the circumferential distance between the duckbilled 1, realized that the change of cave distance is large.If the cave moves it apart from dwindling by counterclockwise rotating regulating sleeve 42 backward, just can realize that the cave is apart from turning down.Sower can carry out seeding operation after adjustment was finished.

Regulative mode:

Rotate inner screw sheath 42, making inner screw sheath 42 drive adjustment seat 43 axial formation along the wheel disc main shaft on wheel disc main shaft 41 moves, on bunch planting wheel disc 4, radially slided by connecting rod 45 band movable sliders 47 by adjustment seat 43, the duckbilled 1 that connects firmly with slide block 47 is regulated in the position along the radial direction of bunch planting wheel disc 4, keeps simultaneously being connected with inoculator 2;

For different sowing seeds, regulate and fixedly duckbilled 1 in the relevant position in the radial direction along bunch planting wheel disc 4, along with the rotation of bunch planting wheel disc 4 in the seeding process can obtain corresponding cave distance.

Claims

1. adjustable dibbler is characterized in that:

One bunch planting wheel disc (4) is arranged on the axis (41) by bearing, fills the central authorities that kind of a disc type seeder (3) is fixedly installed on bunch planting wheel disc (4); Centered by the center of described bunch planting wheel disc (4), in the described periphery of filling kind of a disc type seeder (3), penetrate shape each inoculator (2) that evenly distributes along radially being of bunch planting wheel disc (4), lower end at described inoculator (2) arranges duckbilled (1) with the sleeve pipe form, and described duckbilled (1) is fixedly installed on the slide block (47); Be disposed radially the duckbilled track at described bunch planting wheel disc (4), described slide block (47) is the slidable member that arranges on the duckbilled track;

One group of connecting rod (45) is the umbrella frame shape and is evenly distributed on the periphery of axis (41) and corresponding hinged one by one with described slide block (47), the center-side of described connecting rod (45) is hinged on the periphery of an adjustment seat (43), and described adjustment seat (43) is with its center regulating sleeve (42) and axis (41) threaded engagement.

2. adjustable dibbler according to claim 1 is characterized in that described regulating sleeve (42) is hex nut.

3. adjustable dibbler according to claim 1 is characterized in that described regulating sleeve (42) is to match with rectangular thread with axis (41).