CN112400369B

CN112400369B - Rotary cultivator with adjustable blade interval

Info

Publication number: CN112400369B
Application number: CN202011410232.6A
Authority: CN
Inventors: 华广田; 亓明亮; 赵越云; 王喜龙; 梁晓剑
Original assignee: Luoyang Ferguson Mechanical Equipment Co ltd
Current assignee: Luoyang Ferguson Mechanical Equipment Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-03-08
Anticipated expiration: 2040-12-03
Also published as: CN112400369A

Abstract

The invention discloses a rotary cultivator with an adjustable blade interval, which comprises a connecting frame and a gearbox, wherein the gearbox is arranged at the bottom of the connecting frame, transmission frames are symmetrically arranged on two sides of the gearbox, driving covers are vertically arranged at the outer ends of two groups of transmission frames, and rotary cultivation frames are arranged on the inner sides of the bottoms of the two groups of driving covers. Has the advantages that: the rotary tillage cutter is positioned through the two sets of the arc-shaped clamping grooves which can be separated, the inner sliding groove and the outer sliding groove are rotated to be parallel and level after the positioning cylinder drives the outer groove opening to rotate, so that the clamping grooves on the two sides of the rotary tillage cutter are separated from the positioning shaft, the position of the rotary tillage cutter can be freely adjusted along the length direction of the two sets of the sliding grooves, the distance between the blades can be conveniently adjusted according to the actual condition of a farmland, the blade mounting and dismounting process on the rotary tillage frame can be quickly realized, and the rotary tillage cutter is high in practicability.

Description

Rotary cultivator with adjustable blade interval

Technical Field

The invention relates to the field of agricultural machinery equipment, in particular to a rotary cultivator with an adjustable blade interval.

Background

A rotary cultivator is a cultivating machine which uses a tractor as a power driving working part to cut up soil. Has the functions of turning over and soil crushing, can realize soil loosening and crushing and ground surface leveling once compared with the traditional present ploughing, meets the requirements of sowing or transplanting, and does not need to carry out soil preparation treatment again. Therefore, the rotary cultivator plays an important role in agricultural production.

The applicant finds that at least the following technical problems exist in the prior art: the rotary cultivator knife rest that uses at present is welding formula body structure, when the farmland of different softness such as paddy field, soil field is ploughed, can't adjust the sword interval of ploughing according to the demand, causes the efficiency of ploughing to reduce or the effect of ploughing is not good, and needs whole change knife rest after single tool bit is damaged by the stone, and the practicality is poor.

Disclosure of Invention

The invention aims to solve the problems and provide a rotary cultivator with an adjustable blade interval, wherein rotary tillage blades are positioned through two separable arc-shaped clamping grooves, and after a positioning cylinder drives an outer groove opening to rotate, an inner sliding groove and an outer sliding groove are rotated to be in a parallel and level position, so that the position of the rotary tillage blades can be freely adjusted, the blade interval can be conveniently adjusted according to the actual condition of a farmland, the rotary cultivator is high in practicability and is explained in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the rotary cultivator with the adjustable blade spacing comprises a connecting frame and a gearbox, wherein the gearbox is arranged at the bottom of the connecting frame, transmission frames are symmetrically arranged on two sides of the gearbox, the outer ends of two groups of transmission frames are vertically provided with driving covers, and the inner sides of the bottoms of the two groups of driving covers are provided with rotary tillage frames;

the rotary tillage frame includes the connecting axle and cup joints the location section of thick bamboo in this connecting axle outside, location section of thick bamboo both ends all with the connecting axle passes through bolted connection, is provided with the interior spout that runs through from top to bottom along its length direction on this connecting axle, and this interior spout top rear and bottom the place ahead all transversely are provided with a plurality of interior notches, both sides all correspond about the location section of thick bamboo interior spout is provided with outer spout, and should outer spout top the place ahead and bottom the rear all transversely be provided with a plurality of outer notches, just outer notch with interior notch one-to-one, evenly be provided with a plurality of wearing out along its length direction in the interior spout the rotary blade of outer spout.

When the rotary cultivator with the adjustable blade spacing is used, when the spacing of a plurality of rotary tillage blades needs to be adjusted, the locking bolts of the two ends of the positioning cylinder and the connecting shaft are detached, then the positioning cylinder is rotated to enable the outer chute of the positioning cylinder to be flush with the inner chute of the connecting shaft, at the moment, the outer notch and the inner notch are separated from the middle part of the rotary tillage blades, the rotary tillage blades are positioned in the middle part of the connecting shaft and can slide in the inner chute and the outer chute, an operator moves the positions of the rotary tillage blades according to the actual conditions of a farmland, when a plurality of groups of rotary tillage blades are moved to the required positions, the positioning cylinder is reversely rotated to enable the outer notches on the positioning cylinder to abut against the middle part of the rotary tillage blades and continue to rotate the positioning cylinder to push the rotary tillage blades to be clamped in the inner notches on the connecting shaft, thereby the rotary blade is clamped and fixed through the matching of the inner notch and the outer notch, and the position adjustment process of the rotary blade is completed.

Preferably, the rotary blade comprises a vertically arranged positioning shaft, cutter bodies are arranged on the upper portion and the lower portion of the positioning shaft, the positioning shaft is of a cylindrical structure, and the upper end and the lower end of the positioning shaft are sequentially clamped into the inner notch and the outer notch.

Preferably, a support arm is arranged above the middle of the transmission frame, the top end of the support arm is inclined inwards and is connected with the outer side of the top of the connecting frame, a stabilizer bar is arranged on the transmission frame below the support arm, and one end of the front side of the stabilizer bar extends forwards to the outer side of the front side of the connecting frame.

Preferably, the transmission frame is of a hollow cylindrical structure, a transmission shaft is coaxially arranged in the transmission frame, one end of the inner side of the transmission shaft is connected with the output end of the gearbox through a universal joint coupler, and the other end of the transmission shaft extends into the driving cover.

Preferably, the drive cover is of a waist-shaped hollow structure, the outer side of the transmission frame is connected with the inner side of the drive cover through a bolt, one end of the outer side of the connecting shaft extends into the drive cover, and the transmission shaft is connected with the connecting shaft through a chain wheel and chain transmission mechanism.

Preferably, the length of the inner chute is equal to that of the outer chute, and the inner side of the inner notch and the inner side of the outer notch are both arc-shaped structures attached to the outer side wall of the middle part of the rotary blade.

Has the advantages that: the rotary tillage cutter is positioned through the two sets of the arc-shaped clamping grooves which can be separated, the inner sliding groove and the outer sliding groove are rotated to be parallel and level after the positioning cylinder drives the outer groove opening to rotate, so that the clamping grooves on the two sides of the rotary tillage cutter are separated from the positioning shaft, the position of the rotary tillage cutter can be freely adjusted along the length direction of the two sets of the sliding grooves, the distance between the blades can be conveniently adjusted according to the actual condition of a farmland, the blade mounting and dismounting process on the rotary tillage frame can be quickly realized, and the rotary tillage cutter is high in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a block diagram of the connecting frame of the present invention;

FIG. 3 is a top view of the connecting shaft of the present invention;

FIG. 4 is a top view of the positioning cartridge of the present invention;

FIG. 5 is a left side sectional view of the positioning cartridge of the present invention;

FIG. 6 is a front view of the rotary blade of the present invention;

fig. 7 is a right sectional view of the driving cover of the present invention.

The reference numerals are explained below:

1. a connecting frame; 2. a gearbox; 3. a transmission frame; 301. a support arm; 302. a stabilizer bar; 303. a drive shaft; 4. a drive housing; 5. a rotary tillage frame; 501. a connecting shaft; 501a, an inner chute; 501b, an inner groove opening; 502. a positioning cylinder; 502a, an outer chute; 502b, an outer notch; 503. a rotary blade; 503a, a positioning shaft; 503b, a knife body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-7, the invention provides a rotary cultivator with adjustable blade spacing, which comprises a connecting frame 1 and a gearbox 2, wherein the gearbox 2 is arranged at the bottom of the connecting frame 1, the two sides of the gearbox 2 are symmetrically provided with transmission frames 3, the outer ends of the two groups of transmission frames 3 are vertically provided with driving covers 4, and the inner sides of the bottoms of the two groups of driving covers 4 are provided with rotary cultivation frames 5.

The rotary tillage frame 5 comprises a connecting shaft 501 and a positioning cylinder 502 sleeved outside the connecting shaft 501, two ends of the positioning cylinder 502 are connected with the connecting shaft 501 through bolts, so that the locking stability of the positioning cylinder 502 and the connecting shaft 501 is improved, an inner sliding chute 501a which penetrates through the connecting shaft 501 from top to bottom is arranged on the connecting shaft 501 along the length direction, a plurality of inner notches 501b are transversely arranged at the rear of the top and the front of the bottom of the inner sliding chute 501a, outer sliding chutes 502a are arranged at the upper and the lower sides of the positioning cylinder 502 corresponding to the inner sliding chute 501a, a plurality of rotary tillage blades 503 which penetrate through the outer sliding chute 502a are transversely arranged at the front of the top and the rear of the bottom of the outer sliding chute 502a, the outer notches 502b are in one-to-one correspondence with the inner notches 501b, a plurality of rotary tillage blades 503 which penetrate through the outer sliding chute 502a are uniformly arranged in the inner sliding chute 501a along the length direction, the outer notches 502b are driven to be separated from the rotary tillage blades 503 by rotating the positioning cylinder 502, so that the locking effect of the inner notches 501b matched with the outer notches 502b on the rotary tillage blades 503 is released, the position of the rotary blade 503 in the inner and outer two sets of sliding grooves is convenient to adjust, and then the rotary blade 503 is clamped again by resetting the positioning cylinder 502, so that the position process of the rotary blade 503 is completed.

As an alternative embodiment, the rotary blade 503 includes a vertically disposed positioning shaft 503a, the positioning shaft 503a is provided with cutter bodies 503b at the upper and lower sides, the positioning shaft 503a is cylindrical, and the upper and lower ends of the positioning shaft 503a are sequentially clamped into the inner notch 501b and the outer notch 502b, the front and rear sides of the positioning shaft 503a are provided with limit grooves, and the limit grooves are clamped into the corresponding outer notch 502b and the inner notch 501b, so as to prevent the positioning shaft 503a from moving after being locked by the connecting shaft 501 in cooperation with the positioning cylinder 502, and the two ends of the positioning shaft 503a are provided with external threads, the opposite sides of the two cutter bodies 503b are provided with threaded holes, the positioning shaft 503a and the cutter bodies 503b are connected by threads, so as to facilitate the damage replacement and quantity adjustment of the rotary blade 503, a support arm 301 is disposed above the middle portion of the transmission frame 3, the top end of the support arm 301 is inclined inwards and connected with the outside of the top of the connection frame 1, a stabilizer bar 302 is arranged on a transmission frame 3 below the support arm 301, one end of the front surface of the stabilizer bar 302 extends forwards to the outer side of the front surface of the connecting frame 1, the transmission frame 3 is of a hollow cylindrical structure, a transmission shaft 303 is coaxially arranged in the transmission frame 3, one end of the inner side of the transmission shaft 303 is connected with the output end of a gearbox 2 through a universal joint coupler, the other end of the transmission shaft 303 extends into a driving cover 4, the driving cover 4 is of a waist-shaped hollow structure, the outer side of the transmission frame 3 is connected with the inner side of the driving cover 4 through a bolt, one end of the outer side of a connecting shaft 501 extends into the driving cover 4, the transmission shaft 303 is connected with the connecting shaft 501 through a chain wheel and chain transmission mechanism, and is connected with a power output structure of a tractor through the gearbox 2 to sequentially drive the transmission shaft 303 and the connecting shaft 501 to rotate, so that the rotating action of a rotary tillage cutter 503 is realized, and the length of an inner chute 501a is equal to that of an outer chute 502a, and the inner sides of the inner notch 501b and the outer notch 502b are arc-shaped structures attached to the outer side wall of the middle part of the rotary blade 503, so that the locking stability of the inner notch 501b matched with the outer notch 502b to the positioning shaft 503a is improved.

By adopting the structure, when the space between a plurality of rotary tillage blades 503 needs to be adjusted in the using process, the locking bolts between the two ends of the positioning cylinder 502 and the connecting shaft 501 are removed, then the positioning cylinder 502 is rotated to rotate the positioning cylinder 502 to the state that the outer chute 502a thereof is flush with the inner chute 501a of the connecting shaft 501, at this time, the outer notch 502b and the inner notch 501b are separated from the middle part of the rotary tillage blade 503, the rotary tillage blade 503 is positioned at the middle part of the connecting shaft 501, the rotary tillage blades 503 can slide in the inner chute 501a and the outer chute 502a, the position of the rotary tillage blade 503 is moved by an operator according to the actual condition of a farmland, after a plurality of groups of rotary tillage blades 503 are moved to the required position, the positioning cylinder 502 is rotated reversely, the outer notch 502b on the positioning cylinder 502 tightly abuts against the middle part of the rotary tillage blade 503, and the positioning cylinder 502 is continuously rotated to push the rotary tillage blades 503 to be clamped in the inner notch 501b on the connecting shaft 501, thereby clamping and fixing the rotary tillage cutter 503 through the matching of the inner notch 501b and the outer notch 502b, and completing the position adjustment process of the rotary tillage cutter 503;

fix a position rotary blade 503 through two sets of separable arc draw-in grooves, drive outer notch 502b at a location section of thick bamboo 502 and produce the rotation back, with interior spout 501a and outer spout 502a rotatory parallel and level position, thereby all separate rotary blade 503 both sides draw-in groove with location axle 503a, thereby can follow two sets of spout length direction and freely adjust rotary blade 503 positions, be convenient for adjust the blade interval according to farmland actual conditions, and can realize the dismouting process of blade on the rotary tillage frame 5 fast, therefore, the clothes hanger is strong in practicability.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a rotary cultivator with adjustable blade interval which characterized in that: the rotary cultivator is characterized by comprising a connecting frame (1) and a gearbox (2), wherein the gearbox (2) is arranged at the bottom of the connecting frame (1), transmission frames (3) are symmetrically arranged on two sides of the gearbox (2), driving covers (4) are vertically arranged at the outer ends of two groups of transmission frames (3), and rotary cultivation frames (5) are arranged on the inner sides of the bottoms of the two groups of driving covers (4);

the rotary tillage frame (5) comprises a connecting shaft (501) and a positioning cylinder (502) sleeved outside the connecting shaft (501), both ends of the positioning cylinder (502) are connected with the connecting shaft (501) through bolts, an inner sliding groove (501a) which penetrates through the connecting shaft (501) up and down is arranged on the connecting shaft (501) along the length direction, a plurality of inner notches (501b) are transversely arranged at the rear part of the top part and the front part of the bottom part of the inner chute (501a), the upper side and the lower side of the positioning cylinder (502) are provided with outer sliding chutes (502a) corresponding to the inner sliding chutes (501a), and a plurality of outer notches (502b) are transversely arranged at the front part of the top part and the rear part of the bottom part of the outer chute (502a), the outer notches (502b) correspond to the inner notches (501b) one by one, and a plurality of rotary tillage blades (503) penetrating through the outer chute (502a) are uniformly arranged in the inner chute (501a) along the length direction;

the rotary tillage cutter (503) comprises a positioning shaft (503a) which is vertically arranged, cutter bodies (503b) are arranged on the upper portion and the lower portion of the positioning shaft (503a), the positioning shaft (503a) is of a cylindrical structure, and the upper end and the lower end of the positioning shaft (503a) are sequentially clamped into the inner notch (501b) and the outer notch (502 b);

the inner chute (501a) and the outer chute (502a) are equal in length, and the inner side of the inner notch (501b) and the inner side of the outer notch (502b) are arc-shaped structures attached to the outer side wall of the middle part of the rotary blade (503).

2. The rotary cultivator with the adjustable blade spacing of claim 1, wherein: the utility model discloses a stabilizer, including driving frame (3), link (1), link (3) middle part top is provided with support arm (301), this support arm (301) top inboard slope and with link (1) top outside meets, support arm (301) below be provided with stabilizer bar (302) on driving frame (3), this stabilizer bar (302) openly one end extends to the place ahead link (1) openly outside.

3. The rotary cultivator with the adjustable blade spacing of claim 2, wherein: the transmission frame (3) is of a hollow cylindrical structure, a transmission shaft (303) is coaxially arranged in the transmission frame (3), one end of the inner side of the transmission shaft (303) is connected with the output end of the gearbox (2) through a universal joint coupler, and the other end of the transmission shaft (303) extends into the driving cover (4).

4. The rotary cultivator with the adjustable blade spacing of claim 3, wherein: the driving cover (4) is of a waist-shaped hollow structure, the outer side of the transmission frame (3) is connected with the inner side of the driving cover (4) through a bolt, one end of the outer side of the connecting shaft (501) extends into the driving cover (4), and the transmission shaft (303) is connected with the connecting shaft (501) through a chain wheel and chain transmission mechanism.