Anti-winding auxiliary mechanism of rotary cultivator connecting piece

Abstract

The utility model discloses an anti-winding auxiliary mechanism of a rotary cultivator connecting piece, which relates to the technical field of agricultural mechanical equipment, and comprises a fixed frame, cutter shafts with the same structure are respectively and rotatably arranged at the bottom ends of two mutually close inner side walls of the fixed frame along the length direction of the fixed frame, and the same gear box is arranged on the mutually close sides of the two cutter shafts; a fixing ring is installed at the end, close to the inner side wall of the fixing frame, of the outer arc wall of the cutter shaft, a first check block is fixedly connected to the outer arc wall of the fixing ring, and the first check block comprises a vertical part fixed to the outer arc wall of the cutter shaft; according to the utility model, the baffle block I and the baffle block II are respectively arranged at the two ends of the cutter shaft, so that when the cutter shaft rotates quickly, the baffle blocks can push impurities about to be wound on the cutter shaft aside, further the possibility of winding is reduced, in addition, the baffle blocks play a role in protecting the rotating joint of the cutter shaft and the fixed frame under the quick rotation, and splashed dust can be bounced off, so that the cutter shaft is prevented from being damaged. Impurities entering the bearing at the end of the cutter shaft are reduced, and abrasion at the joint of the end of the cutter shaft is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery and equipment technical field, concretely is a kind of anti-winding auxiliary mechanism of rotary cultivator connecting piece. BACKGROUND

[0002] Rotary cultivator is a kind of tillage machinery widely used in agricultural production, mainly used for soil tillage, soil crushing, mixing fertilizer and covering stubble etc., it is broken soil by rotating blade shaft and rotary cultivator blade, and it is mixed uniformly, to improve the air permeability and water retention capacity of soil, provide good soil environment for crop growth, rotary cultivator has the characteristics such as high work efficiency, low energy consumption, strong adaptability, is the important tool indispensable in modern agricultural production.

[0003] In the working process of rotary cultivator, blade shaft and rotary cultivator blade play a vital role, however, the existing rotary cultivator often faces a problem during work: blade shaft and rotary cultivator blade are easily entangled by field weeds, crop residues etc., this entanglement phenomenon not only reduces rotary cultivation efficiency, increases energy consumption, but also can cause serious influence to the normal operation of rotary cultivation equipment, even lead to equipment damage.

[0004] Specifically, when rotary cultivator is working in field, rotary cultivator blade will cut soil and crop residues continuously in the process of high-speed rotation, however, the top plate of existing rotary cultivator is horizontal structure, the distance between rotary cultivator blade and top plate is small, soil and crop residues brought up during rotary cultivator work are easy to block between rotary cultivator blade and top plate, hinder the normal rotation of rotary cultivator blade for a long time, which not only reduces rotary cultivation depth and quality, but also can increase the wear of blade shaft and rotary cultivator blade, shorten the service life of equipment.

[0005] Therefore, the present application is proposed. UTILITY MODEL CONTENT

[0006] The utility model is to provide a kind of anti-winding auxiliary mechanism of rotary cultivator connecting piece, to solve the problems raised in the above background.

[0007] To solve the above technical problems, the utility model provides a kind of anti-winding auxiliary mechanism of rotary cultivator connecting piece, including fixed frame, the two inner side wall bottom ends of fixed frame along its length direction are mutually close and are rotated with identical structure two tool shafts, same gear box is installed on the side of tool shaft mutual close, the end of tool shaft outer arc wall close to the inner side wall of fixed frame is installed with fixed ring, the outer arc wall of fixed ring is fixedly connected with baffle one, baffle one includes vertical portion fixed on tool shaft outer arc wall, the length direction of vertical portion is consistent with tool shaft radial, the end of vertical portion away from tool shaft is fixed with horizontal portion, the end of tool shaft outer arc wall close to gear box is fixedly connected with baffle two, and the structure of baffle two is similar with baffle one, the horizontal portion of baffle one is extended and set back to gear box, and the horizontal portion of baffle two is extended and set towards gear box.

[0008] Baffle one and baffle two fixed respectively on the two ends of the same tool shaft are centrally symmetrically distributed about the midpoint of tool shaft axis, and the length direction of the horizontal portion of baffle one and the length direction of the horizontal portion of baffle two are both parallel to the axial direction of the tool shaft.

[0009] Further, a plurality of tool pans are fixedly connected to the outer arc wall of the tool shaft at equal intervals about the tool shaft axis, a plurality of rotary cultivator blades are mounted on the outer arc wall of the tool pan in an annular array about the tool shaft, the tool pan includes two fixed disks one and two that are identical in structure, the fixed disks one and two are coaxially sleeved on the outer arc wall of the tool shaft, the outer edges of the side walls of the fixed disks one and two that are close to each other are each provided with a plurality of screw holes that are arranged in an annular array about the tool shaft axis and penetrate through in the axial direction of the tool shaft, and the rotary cultivator blades are mounted on the side of the fixed disks one and two that are close to each other.

[0010] Further, a plurality of cross beams are fixedly connected to the top of the fixed frame and are uniformly distributed along the length direction of the fixed frame, the longitudinal section of the cross beam along the width direction of the fixed frame is trapezoidal, a baffle is detachably connected to the bottom of the cross beam, the longitudinal section of the baffle along the width direction of the fixed frame is also trapezoidal, the gear box is fixed to the middle part of the fixed frame, baffles are provided on both sides of the gear box along the length direction of the fixed frame, a gantry is provided on the top of the gear box, and the gantry is fixed to the top of the fixed frame.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] By arranging baffle one and baffle two at both ends of the tool shaft, the baffle can push away the impurities that are about to be wound on the tool shaft when the tool shaft rotates rapidly, thereby reducing the possibility of winding, in addition, the baffle forms a protective effect on the rotary connection between the tool shaft and the fixed frame under rapid rotation, can bounce the splashed dust away, reduces the impurities into the bearing at the end of the tool shaft, and further reduces the abrasion of the connection at the end of the tool shaft. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure diagram of a cutter shaft in a anti-winding auxiliary mechanism of a rotary cultivator connecting piece;

[0014] Figure 2 It is an internal structure diagram of a anti-winding auxiliary mechanism of a rotary cultivator connecting piece;

[0015] Figure 3 It is a whole structure diagram of a anti-winding auxiliary mechanism of a rotary cultivator connecting piece.

[0016] In the figure:

[0017] 10, fixed frame; 11, baffle; 12, gantry; 13, gear box; 14, cross beam;

[0018] 20, cutter shaft; 21, cutter head; 22, baffle one; 23, baffle two. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to the drawings of the embodiments of the utility model Figure 1 to the drawings of the embodiments of the utility model Figure 3 The anti-winding auxiliary mechanism of the rotary cultivator connecting piece provided by the utility model comprises a fixed frame 10, two cutter shafts 20 that are structurally identical are arranged at the bottom ends of the two inner side walls of the fixed frame 10 and are arranged to be close to each other along the length direction of the fixed frame 10, one gear box 13 is arranged on the side of the two cutter shafts 20 that are close to each other, a fixed ring is arranged on the outer arc wall of the cutter shaft 20 and is close to the inner side wall of the fixed frame 10, a baffle one 22 is fixedly connected to the outer arc wall of the fixed ring, the baffle one 22 comprises a vertical part that is fixed to the outer arc wall of the cutter shaft 20, the length direction of the vertical part is consistent with the radial direction of the cutter shaft 20, a horizontal part is fixed to the end of the vertical part that is away from the cutter shaft 20, a baffle two 23 is fixedly connected to the end of the outer arc wall of the cutter shaft 20 that is close to the gear box 13, the baffle two 23 is similar in structure to the baffle one 22, the horizontal part of the baffle one 22 is arranged to extend away from the gear box 13, and the horizontal part of the baffle two 23 is arranged to extend towards the gear box 13.

[0021] The baffle one 22 and the baffle two 23 that are fixed to the two ends of the same cutter shaft 20 are centrally symmetrically distributed about the midpoint of the axis of the cutter shaft 20, and the length direction of the horizontal part of the baffle one 22 and the length direction of the horizontal part of the baffle two 23 are both parallel to the axial direction of the cutter shaft 20.

[0022] It needs to be explained that: the gear box 13 is sleeved in the outer arc wall of the cutter shaft 20 away from the fixed frame 10, the gear box 13 is used for receiving power to drive the cutter shaft 20 to rotate, here will not be too much, the "L" shape structure of the stopper one 22 and the stopper two 23, so that when the cutter shaft 20 rotates, the horizontal part of the stopper one 22 and the stopper two 23 rotate around the axis of the cutter shaft 20 to form a gap type protective layer, prevent dust from entering the bearing to aggravate the wear of the cutter shaft 20, and also can push away the sundries such as weeds and roots to avoid winding in the end of the cutter shaft 20.

[0023] Please refer to the attached Figure 1 to the attached Figure 3 The utility model provides a technical scheme: the outer arc wall of the cutter shaft 20 is fixedly connected with a plurality of cutter heads 21 that are linearly distributed at equal intervals about the axis of the cutter shaft 20, the outer arc wall of the cutter head 21 is provided with a plurality of rotary tiller blades that are annularly arrayed about the cutter shaft 20.

[0024] The cutter head 21 comprises two fixed discs one and two that are the same in structure, the fixed disc one and the fixed disc two are coaxially sleeved on the outer arc wall of the cutter shaft 20, the outer edges of the side walls, which are close to each other, of the fixed disc one and the fixed disc two are provided with a plurality of screw holes that are annularly arrayed about the axis of the cutter shaft 20 and are arranged through along the axial direction of the cutter shaft 20, and the side walls, which are close to each other, of the fixed disc one and the fixed disc two are provided with rotary tiller blades.

[0025] The top of the fixed frame 10 is fixedly connected with a plurality of cross beams 14 that are uniformly distributed along the length direction of the fixed frame 10, the longitudinal section of the cross beam 14 along the width direction of the fixed frame 10 is trapezoidal, and the bottom of the cross beam 14 is detachably connected with a baffle 11, and the longitudinal section of the baffle 11 along the width direction of the fixed frame 10 is also trapezoidal.

[0026] The gear box 13 is fixed in the middle of the fixed frame 10, the gear box 13 is provided with the baffle 11 on both sides along the length direction of the fixed frame 10, the top of the gear box 13 is provided with a portal frame 12, and the portal frame 12 is fixed to the top of the fixed frame 10.

[0027] It needs to be explained that: through the stable support structure provided by the fixed frame 10, the cutter shaft 20 rotates at the bottom end of the inner side wall of the fixed frame 10, drives the cutter head 21 fixedly arranged thereon to rotate, the rotary tiller blades on the cutter head 21 cut and turn over the soil in the rotating process, realize rotary tillage, and the cross beam 14 and the baffle 11 play the protection and support role, ensure the stability and safety of the equipment in the rotary tillage process.

[0028] The middle section of the crossbeam 14 is higher than both ends, and both ends of the crossbeam 14 are inclined towards the direction of the fixed frame 10. The raised middle section of the crossbeam 14 provides more space for the rotary blade during work. In addition, the baffle 11 can be installed on the top or bottom of the crossbeam 14, that is, the user can adjust the distance between the baffle 11 and the blade shaft 20 according to the specific working environment, thereby adjusting the passing rate of the soil carried by the rotary blade during rotary tillage.

[0029] The side of the fixed disc one and the fixed disc two close to each other is provided with a rotary blade, and the root of the rotary blade is provided with a screw hole with the same structure. The screw hole at the root of the rotary blade is consistent with the screw hole on the blade disc 21, and is fixed by a bolt, thereby facilitating installation, disassembly and maintenance.

[0030] Working principle:

[0031] The gear box 13 receives power and drives the blade shaft 20 to rotate. The blade shaft 20 drives the stop block one 22 and the stop block two 23 to rotate. During this period, the raised middle section of the crossbeam 14 provides more space for the rotary blade during work.

[0032] The "L" shape of the stop block one 22 and the stop block two 23 allows the horizontal parts of the stop block one 22 and the stop block two 23 to rotate rapidly around the axis of the blade shaft 20 when the blade shaft 20 rotates, which can push away weeds, roots and other debris, thereby avoiding entanglement at the end of the blade shaft 20.

[0033] At the same time, the rapid rotation of the stop block one 22 and the stop block two 23 forms a gap type annular protective layer, which can bounce the splashed dust away and prevent the dust from entering the bearing at the end of the blade shaft 20 to aggravate the wear of the blade shaft 20.

Claims

1. A kind of anti-winding auxiliary mechanism of rotary cultivator connector, including fixed frame (10), fixed frame (10) is rotated with the same structure two tool shafts (20) respectively at the bottom end of two inner sides of its length direction to each other, and the same gear box (13) is installed on the side of two tool shafts (20) to each other, it is characterized by: The outer arc wall of the cutter shaft (20) is provided with a fixed ring near one end of the inner side wall of the fixed frame (10), and the outer arc wall of the fixed ring is fixedly connected with a stop block one (22), the stop block one (22) comprises a vertical part fixed to the outer arc wall of the cutter shaft (20), the length direction of the vertical part is consistent with the radial direction of the cutter shaft (20), and a horizontal part is fixed to one end of the vertical part away from the cutter shaft (20), and the outer arc wall of the cutter shaft (20) is fixedly connected with a stop block two (23) near one end of the gear box (13), the stop block two (23) is similar in structure to the stop block one (22), the horizontal part of the stop block one (22) is arranged to extend away from the gear box (13), and the horizontal part of the stop block two (23) is arranged to extend towards the gear box (13).

2. An anti-wrap assist mechanism for a rotary tiller attachment as defined in claim 1, wherein: The stop block one (22) and the stop block two (23) fixed to the two ends of the same cutter shaft (20) are centrally symmetrically distributed about the midpoint of the axis of the cutter shaft (20), and the length direction of the horizontal part of the stop block one (22) and the length direction of the horizontal part of the stop block two (23) are both parallel to the axial direction of the cutter shaft (20).

3. An anti-wrap assist mechanism for a rotary tiller attachment as defined in claim 1 wherein: The outer arc wall of the cutter shaft (20) is fixedly connected with a plurality of cutter discs (21) linearly and equidistantly distributed about the axis of the cutter shaft (20), and the outer arc wall of the cutter disc (21) is provided with a plurality of rotary tillage blade edges arranged in a ring array about the cutter shaft (20).

4. A wrap prevention assist mechanism for a rotary tiller attachment as defined in claim 3 wherein: The cutter disc (21) comprises two fixed discs one and two which are coaxially sleeved on the outer arc wall of the cutter shaft (20) and are identical in structure, the outer edge of one side wall of the fixed disc one and the fixed disc two, which are close to each other, is provided with a plurality of screw holes arranged in a ring array about the axis of the cutter shaft (20) and penetratingly arranged along the axial direction of the cutter shaft (20), and the one side wall of the fixed disc one and the fixed disc two, which are close to each other, is provided with the rotary tillage blade edges.

5. An anti-wrap assist mechanism for a rotary tiller attachment as defined in claim 1 wherein: The top of the fixed frame (10) is fixedly connected with a plurality of cross beams (14) uniformly distributed along the length direction of the fixed frame (10), the longitudinal section of the cross beam (14) along the width direction of the fixed frame (10) is trapezoidal, and the bottom of the cross beam (14) is detachably connected with a baffle (11), and the longitudinal section of the baffle (11) along the width direction of the fixed frame (10) is also trapezoidal.

6. An anti-wrap assist mechanism for a rotary tiller attachment as defined in claim 1 wherein: The gear box (13) is fixed to the middle part of the fixed frame (10), the gear box (13) is provided with the baffle (11) on both sides along the length direction of the fixed frame (10), the top of the gear box (13) is provided with a gantry (12), and the gantry (12) is fixed to the top of the fixed frame (10).

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