Agricultural rotary tillage cutter shaft adjusting device

Abstract

An agricultural rotary tillage cutter shaft adjusting device relates to the technical field of adjusting devices and comprises a rotary tillage cutter shaft, a plurality of mounting rings are sleeved on the rotary tillage cutter shaft side by side, the circumferential staggering angle between adjacent mounting rings is adjustable, and the circumferential staggering angle between adjacent mounting rings is fixed through a positioning structure. A plurality of fixing seats are fixedly connected to the peripheral wall of each mounting ring in a surrounding mode, a mounting seat with an adjustable angle is mounted on each fixing seat in the radial direction of the rotary tillage cutter shaft in a swinging mode, and rotary tillage cutters are fixedly connected to the mounting seats. According to the rotary cultivator, the problems that in a rotary cultivator in the prior art, a plurality of fixing bases are welded to a rotary blade shaft according to the arrangement mode of rotary blades, the welding process is tedious due to the fact that the angles between the fixing bases are different, and when the fixing bases are broken, the fixing bases need to be returned to a factory to be welded again, and the welding cost is high are solved. And the operation efficiency is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to adjusting device technical field, concretely relates to agricultural rotary tiller shaft adjusting device. BACKGROUND

[0002] Rotary tiller is the mechanical equipment that is used in combination with tractor to complete the plowing work, and the soil is cut and reversed through rotary tiller. Because it has the characteristics of strong soil breaking capacity, flat and loose soil after plowing and increasing soil ventilation, and can cut the roots and weeds buried under the ground surface, it is convenient for subsequent seeding and beneficial to crop growth, and provides a good seedbed for later seeding, and has been widely applied.

[0003] The rotary tiller often encounters uneven ground or tractor inclination due to soft ground during plowing. The usual method is to manually adjust or manually adjust the three-point suspension through the hydraulic cylinder before plowing according to the ground slope and soil softness to achieve the purpose of horizontal knife shaft.

[0004] The prior art discloses a patent with publication number CN118303153A, which comprises a rack and a rotary tiller shaft mounted on the rack, left and right sides of the rack are respectively provided with a left side fixed plate and a right side fixed plate, a displacement adjustment mechanism is arranged on the left side fixed plate, a ball hinge rotating mechanism is driven and mounted on the displacement adjustment mechanism, a displacement compensation mechanism is arranged and mounted on the right side fixed plate, both ends of the rotary tiller shaft are respectively connected in the ball hinge rotating mechanism and the displacement compensation mechanism; the displacement adjustment mechanism drives the ball hinge rotating mechanism to move in the vertical direction, and then drives the displacement compensation mechanism to move horizontally corresponding to the vertical direction through the rotary tiller shaft transmission, so as to adjust the levelness of the rotary tiller shaft.

[0005] The existing device gradually exposes the deficiencies of the technology with use, mainly in the following aspects:

[0006] Firstly, the existing rotary tiller is welded with a plurality of fixed seats on the rotary tiller shaft according to the arrangement mode of the rotary tiller, which makes the welding process complicated due to the different angles between the fixed seats, and when the fixed seat is broken, it needs to be returned to the factory for re-welding, which affects the work efficiency.

[0007] Secondly, the angle of the existing rotary tiller is fixed, and after the rotary tiller is bent by impact, the angle of the rotary tiller cannot be adjusted according to different use occasions, thereby reducing the use range of the rotary tiller.

[0008] From the above, it can be seen that the prior art obviously has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0009] In view of defects in the prior art, the agricultural rotary tillage blade shaft adjusting device is used to solve the problem that the rotary tillage machine in the traditional technology is all welded with a plurality of fixed seats on the rotary tillage blade shaft according to the arrangement mode of the rotary tillage blade, which makes the welding process complicated due to the different angles between the fixed seats, and when the fixed seat is broken, it needs to be returned to the factory for re-welding, affecting the work efficiency.

[0010] To achieve the above object, the utility model provides the following technical scheme:

[0011] The agricultural rotary tillage blade shaft adjusting device, including rotary tillage blade shaft, the rotary tillage blade shaft is equipped with a plurality of installation rings in parallel, the circumferential stagger angle between adjacent installation rings is adjustably arranged, the circumferential stagger angle between adjacent installation rings is fixed through positioning structure,

[0012] The outer peripheral wall of each installation ring is provided with a plurality of fixed seats, and the angularly adjustable installation seat is swing-mounted in the radial direction of the rotary tillage blade shaft.

[0013] As an optimized scheme, the positioning structure includes a positioning column arranged on one side wall of the installation ring, and a plurality of positioning grooves matched with the positioning column are arranged on the other side wall of the installation ring.

[0014] As an optimized scheme, the fixed seat is provided with a constraint groove, the fixed seat is provided with a first hinge hole penetrating the constraint groove, and the installation seat is provided with a second hinge hole coaxially arranged with the first hinge hole.

[0015] As an optimized scheme, the fixed seat is connected with a hinge bolt assembly penetrating the first hinge hole and the second hinge hole.

[0016] As an optimized scheme, the fixed seat is provided with a first positioning hole penetrating the constraint groove in the area on one side of the first hinge hole, and the installation seat is provided with a plurality of second positioning holes arranged in parallel in the circumferential direction in the area on one side of the second hinge hole.

[0017] As an optimized scheme, the fixed seat is connected with a positioning bolt assembly penetrating the first positioning hole and one of the second positioning holes.

[0018] As an optimized scheme, the installation seat is provided with an insertion slot, the end of the rotary tillage blade is inserted into the insertion slot, the installation seat is provided with two first fixing holes penetrating the insertion slot, the end of the rotary tillage blade is provided with two second fixing holes aligned with the first fixing holes respectively, and the installation seat is connected with a fixing bolt assembly penetrating the first fixing hole and the second fixing hole.

[0019] As an optimized scheme, the outermost two mounting rings of the rotary tiller shaft are respectively provided with a fixed ring on one side area, wherein the side wall of one of the fixed rings is provided with a plurality of fixed columns matched with the positioning grooves, and the side wall of the other fixed ring is provided with a plurality of positioning grooves matched with the positioning columns.

[0020] As an optimized scheme, the inner hole of the fixed ring is axially fixed with a circumferential limiting sliding block, and the shaft wall close to the two ends of the rotary tiller shaft is provided with a circumferential limiting groove segment matched with the circumferential limiting sliding block in the axial direction.

[0021] As an optimized scheme, the shaft wall close to the two ends of the rotary tiller shaft is provided with an external thread segment, and a counter nut is threadedly connected to each end of the rotary tiller shaft by the external thread segment, and the counter nut abuts against the fixed ring.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] Wherein, by sleeving a plurality of mounting rings on the rotary tiller shaft, the fixed seat can be fixed to the mounting ring, the arrangement direction of the rotary tiller on the fixed seat can be adjusted by adjusting the circumferential stagger angle between adjacent mounting rings, and the installation is convenient, the operation of directly welding the fixed seat to the rotary tiller shaft in the traditional technology is saved, and when a certain fixed seat breaks, the corresponding mounting ring can be removed and replaced, which is convenient and fast, and the operation of returning the entire rotary tiller shaft to the factory for maintenance is saved.

[0024] Wherein, the mounting seat is installed on the fixed seat and rotates in the radial direction, the rotary tiller is fixed by the mounting seat, the angle of the rotary tiller can be adjusted by adjusting the angle of the mounting seat, and when the rotary tiller is bent by impact, the angle of the rotary tiller can be adjusted by adjusting the angle of the mounting seat, which is convenient and fast, and improves the working efficiency of the rotary tiller. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0026] Fig. 1 It is a structural schematic view of the utility model;

[0027] Fig. 2 It is a structural schematic view of the second positioning hole of the utility model;

[0028] Fig. 3 It is a structure diagram of the circumferential limiting sliding block of the utility model.

[0029] In the figure: 1 - rotary tiller shaft; 2 - mounting ring; 3 - fixed seat; 4 - mounting seat; 5 - positioning column; 6 - positioning groove; 7 - hinged bolt assembly; 8 - second positioning hole; 9 - rotary tiller; 10 - second fixed hole; 11 - positioning bolt assembly; 12 - fixed bolt assembly; 13 - external thread section; 14 - counter-nut; 15 - fixed ring; 16 - positioning groove; 17 - circumferential limiting sliding block; 18 - circumferential limiting groove section. DETAILED DESCRIPTION

[0030] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0031] As Figs. 1 to 3 shown, the agricultural rotary tiller shaft adjusting device comprises a rotary tiller shaft 1, a plurality of mounting rings 2 are arranged side by side on the rotary tiller shaft 1, the circumferential stagger angle between adjacent mounting rings 2 is adjustably arranged, and the circumferential stagger angle between adjacent mounting rings 2 is fixed by a positioning structure.

[0032] A plurality of fixed seats 3 are arranged around the outer circumferential wall of each mounting ring 2, an angle-adjustably arranged mounting seat 4 is swingingly installed on each fixed seat 3 in the radial direction of the rotary tiller shaft 1, and a rotary tiller 9 is fixedly connected to the mounting seat 4.

[0033] The positioning structure comprises a positioning column 5 arranged around one side wall of the mounting ring 2, and a plurality of positioning grooves matched with the positioning column 5 are arranged around the other side wall of the mounting ring 2, so that the axial stagger angle between the two adjacent mounting rings 2 can be fixed by the positioning column 5 and the positioning groove.

[0034] A constraint groove is formed in the fixed seat 3, a first hinged hole penetrating the constraint groove is formed in the fixed seat 3, and a second hinged hole coaxially arranged with the first hinged hole is formed in the mounting seat 4.

[0035] The fixed seat 3 is connected with a hinged bolt assembly 7 penetrating the first hinged hole and the second hinged hole.

[0036] A first positioning hole penetrating the constraint groove is formed in the region of the fixed seat 3 on the side of the first hinged hole, and a plurality of second positioning holes 8 are arranged side by side in the circumferential direction on the region of the mounting seat 4 on the side of the second hinged hole.

[0037] The fixing seat 3 is connected with a positioning bolt assembly 11 penetrating the first positioning hole and one of the second positioning holes 8, and the positioning bolt assembly 11 is connected with different second positioning holes 8, so that the swing angle of the mounting seat 4 can be fixed.

[0038] The mounting seat 4 is provided with an insertion slot, and the end of the rotary tillage knife 9 is inserted into the insertion slot. The mounting seat 4 is provided with two first fixing holes penetrating the insertion slot. The end of the rotary tillage knife 9 is provided with two second fixing holes 10 aligned with the first fixing holes. The mounting seat 4 is connected with a fixing bolt assembly 12 penetrating the first fixing holes and the second fixing holes 10.

[0039] The rotary tillage knife shaft 1 is provided with a fixing ring 15 on one side of the two outermost mounting rings 2. One of the fixing rings 15 is provided with a plurality of fixing columns matching the positioning slots on the side wall. The other fixing ring 15 is provided with a plurality of positioning slots matching the positioning columns 5 on the side wall.

[0040] The inner hole of the fixing ring 15 is axially fixed with a circumferential limiting sliding block 17. The shaft wall near the two ends of the rotary tillage knife shaft 1 is provided with a circumferential limiting slot segment 18 matching the circumferential limiting sliding block 17 in the axial direction. The circumferential rotation of the mounting rings 2 is constrained, and the mounting rings 2 can rotate with the rotary tillage knife shaft 1.

[0041] The shaft wall near the two ends of the rotary tillage knife shaft 1 is provided with an external thread segment 13. The rotary tillage knife shaft 1 is threadedly connected with a jacking nut 14 at each end by the external thread segment 13. The jacking nut 14 abuts against the fixing ring 15.

[0042] The working principle of the device is as follows:

[0043] The fixing seat 3 is fixed on the mounting ring 2 by sleeving a plurality of mounting rings 2 on the rotary tillage knife shaft 1. The arrangement direction of the rotary tillage knife 9 on the fixing seat 3 can be adjusted by adjusting the circumferential stagger angle between the adjacent mounting rings 2. The operation of directly welding the fixing seat 3 on the rotary tillage knife shaft 1 in the traditional technology is omitted. When a fixing seat 3 is broken, the corresponding mounting ring 2 can be removed and replaced, which is convenient and fast, and the operation of returning the entire rotary tillage knife shaft 1 to the factory for repair is omitted.

[0044] The mounting seat 4 is radially swing-mounted on the fixing seat 3, and the rotary tillage knife 9 is fixed by the mounting seat 4. The angle of the rotary tillage knife 9 can be adjusted by adjusting the angle of the mounting seat 4. When the rotary tillage knife 9 is bent by impact, the angle of the rotary tillage knife 9 can be adjusted by adjusting the angle of the mounting seat 4, which is convenient and fast, and improves the working efficiency of the rotary tillage machine.

[0045] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. An agricultural toolbar adjustment device, characterized by: The utility model provides a rotary tiller shaft (1) is provided with a plurality of installation rings (2) on parallel, the circumferential stagger angle between adjacent installation rings (2) is adjustable, and the circumferential stagger angle between adjacent installation rings (2) is fixed through positioning structure, The outer peripheral wall of each installation ring (2) is provided with a plurality of fixing bases (3), and the fixing base (3) is swingingly installed with an angularly adjustable mounting base (4) along the radial direction of the rotary tiller shaft (1), and the mounting base (4) is fixedly connected with a rotary tiller (9).

2. The agricultural sweep axle adjustment device of claim 1, wherein: The positioning structure comprises a positioning column (5) arranged on one side wall of the installation ring (2), and a plurality of positioning grooves matched with the positioning column (5) are arranged on the other side wall of the installation ring (2).

3. The agricultural sweep axle adjustment device of claim 2, wherein: The fixing base (3) is provided with a constraint groove, the fixing base (3) is provided with a first hinge hole penetrating through the constraint groove, and the mounting base (4) is provided with a second hinge hole coaxially arranged with the first hinge hole.

4. The agricultural sweep axle adjustment device of claim 3, wherein: The fixing base (3) is connected with a hinge bolt assembly (7) penetrating through the first hinge hole and the second hinge hole.

5. The agricultural sweep axle adjustment device of claim 4, wherein: The fixing base (3) is provided with a first positioning hole penetrating through the constraint groove in the region on one side of the first hinge hole, and the mounting base (4) is provided with a plurality of second positioning holes (8) arranged side by side in the circumferential direction in the region on one side of the second hinge hole.

6. The agricultural sweep axle adjustment device of claim 5, wherein: The fixing base (3) is connected with a positioning bolt assembly (11) penetrating through the first positioning hole and one of the second positioning holes (8).

7. The agricultural sweep axle adjustment device of claim 6, wherein: The mounting base (4) is provided with an insertion groove, the end of the rotary tiller (9) is inserted into the insertion groove, the mounting base (4) is provided with two first fixing holes penetrating through the insertion groove, the end of the rotary tiller (9) is provided with two second fixing holes (10) arranged side by side and respectively aligned with the first fixing holes, and the mounting base (4) is connected with a fixing bolt assembly (12) penetrating through the first fixing hole and the second fixing hole (10).

8. The agricultural sweep axle adjustment device of claim 7, wherein: The rotary tiller shaft (1) is provided with a fixing ring (15) on one side of the two installation rings (2) on the outermost side, respectively, a plurality of fixing columns matched with the positioning grooves are arranged on the side wall of one of the fixing rings (15), and a plurality of positioning grooves matched with the positioning columns (5) are arranged on the side wall of the other fixing ring (15).

9. The agricultural sweep axle adjustment device of claim 8, wherein: The inner hole of the fixing ring (15) is axially fixedly connected with a circumferential limiting sliding block (17), and the shaft wall close to the two ends of the rotary tiller shaft (1) is provided with a circumferential limiting groove segment (18) matched with the circumferential limiting sliding block (17) in the axial direction.

10. The agricultural sweep axle adjustment device of claim 9, wherein: The shaft wall close to the two ends of the rotary tiller shaft (1) is provided with an external thread segment (13), and the rotary tiller shaft (1) is threadedly connected with a counter nut (14) at each end portion by means of the external thread segment (13), and the counter nut (14) abuts against the fixing ring (15).

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