CN216700878U

CN216700878U - Rotary cultivator convenient to change blade

Info

Publication number: CN216700878U
Application number: CN202123114499.3U
Authority: CN
Inventors: 杜鹏
Original assignee: Hengshui Ruisida Machinery Factory
Current assignee: Hengshui Ruisida Machinery Factory
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-10
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to the technical field of agricultural machinery and discloses a rotary cultivator convenient for blade replacement, which comprises a mounting rack, wherein limiting sleeves are mounted at the bottoms of the front inner wall and the rear inner wall of the mounting rack, driving shafts are movably mounted inside the two limiting sleeves together, fixing sleeves which are arranged at equal intervals are mounted on the outer sides of the driving shafts, rotary tillage blades are mounted inside the fixing sleeves, and fixing holes are formed in the bottoms of the rotary tillage blades. According to the rotary tillage blade fixing device, the rotary tillage blades are inserted in the fixing sleeve, the limiting blocks are inserted in the limiting grooves, the rotary tillage blades can be positioned, the limiting baffle is pushed by the reset spring to push the adjusting rod to move in the fixing frame, the fixing rod can penetrate through the fixing sleeve and is inserted in the fixing hole, the rotary tillage blades can be fixed, the rotary tillage blades are kept stable in the fixing sleeve, and the damaged rotary tillage blades are convenient to replace.

Description

Rotary cultivator convenient to change blade

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a rotary cultivator convenient for blade replacement.

Background

The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing. The soil breaking machine has the characteristics of strong soil breaking capacity, flat ground surface after ploughing and the like, so that the soil breaking machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, the operation of the seeder is convenient, and a good seedbed is provided for later-stage seeding.

The blade of rotary cultivator is installed through the bolt mostly usually, when the rotary tillage blade appears damaging, and is inconvenient to the rotary tillage blade of damage, and is comparatively inconvenient in the use of reality, provides a rotary cultivator of being convenient for change blade to above-mentioned problem of proposing of circumstances.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: usually, the blade of the rotary cultivator is mostly installed through the bolt, when the rotary cultivating blade is damaged, the damaged rotary cultivating blade is inconvenient to replace, and the rotary cultivator convenient for replacing the blade is inconvenient to use in practice.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a rotary cultivator convenient to change blade, includes the mounting bracket, the stop collar is all installed to the bottom of two inner walls around the mounting bracket, and the common movable mounting in inside of two stop collars has the drive shaft, the fixed cover that the equidistance was arranged is installed in the outside of drive shaft, the internally mounted of fixed cover has the rotary tillage blade, the fixed orifices has been seted up to the bottom of rotary tillage blade, fixed establishment is installed on the right side of fixed cover, fixed establishment's one end is passed fixed cover and is connected with the fixed orifices, the movable orifices has been seted up to the bottom of inner wall behind the mounting bracket, the inside activity interlude of movable orifices has the gangbar, the one end of gangbar is passed the stop collar and is connected with the drive shaft, the one end that the stop collar was kept away from to the gangbar is installed the sprocket.

Preferably, fixed establishment is including installing the mount in fixed cover one side, the inside horizontal activity interlude of mount has the regulation pole, limit baffle is installed to the one end of adjusting the pole, limit baffle activity interlude is in the inside of mount, the outside cover of adjusting the pole is equipped with reset spring, reset spring's both ends are connected with mount and limit baffle respectively, limit baffle keeps away from one side of adjusting the pole and installs the dead lever, the inside at the fixed orifices is interpenetrated in the dead lever activity.

Preferably, the upper inner wall and the lower inner wall of the limiting sleeve are both provided with limiting wheels, the two sides of the driving shaft are both provided with annular grooves, and the limiting wheels are movably inserted into the annular grooves respectively.

Preferably, the inner bottom wall of the fixed sleeve is provided with a limiting groove, the bottom end of the rotary tillage blade is provided with a limiting block, and the limiting block is movably inserted into the limiting groove.

Preferably, the middle part of the top end of the mounting frame is provided with a connecting frame, and the top of the connecting frame is provided with a mounting hole.

Preferably, the inner top wall of the mounting frame is provided with the mud scrapers which are arranged at equal intervals, and the mud scrapers are respectively positioned at two sides of the rotary tillage blade.

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

(1) according to the rotary tillage blade fixing device, the rotary tillage blades are inserted in the fixing sleeve, the limiting blocks are inserted in the limiting grooves, the rotary tillage blades can be positioned, the limiting baffle is pushed by the reset spring to push the adjusting rod to move in the fixing frame, the fixing rod can penetrate through the fixing sleeve and is inserted in the fixing hole, the rotary tillage blades can be fixed, the rotary tillage blades are kept stable in the fixing sleeve, and the damaged rotary tillage blades are convenient to replace.

(2) According to the utility model, the limiting wheel is inserted into the annular groove, so that the stability of the driving shaft during high-speed rotation can be ensured when the driving shaft rotates, and the friction between the driving shaft and the limiting sleeve can be effectively reduced under the supporting action of the limiting wheel on the driving shaft during rotation of the driving shaft, so that the equipment is prevented from being worn, the equipment can be ensured to stably work for a long time, and soil on the surface of the rotary tillage blade can be removed under the action of the mud scraping plates when the rotary tillage blade rotates to a position between the two mud scraping plates, so that the soil can be better crushed.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a mounting frame; 2. a drive shaft; 3. fixing a sleeve; 4. a fixing mechanism; 41. a fixed mount; 42. a return spring; 43. adjusting a rod; 44. a limit baffle; 45. fixing the rod; 5. a rotary tillage blade; 6. a connecting frame; 7. mounting holes; 8. a limiting sleeve; 9. a linkage rod; 10. a sprocket; 11. a fixing hole; 12. a limiting block; 13. a limiting groove; 14. a movable hole; 15. a limiting wheel; 16. an annular groove; 17. a mud scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a rotary cultivator convenient for blade replacement comprises an installation frame 1, wherein the bottoms of the front inner wall and the rear inner wall of the installation frame 1 are respectively provided with a limit sleeve 8, the inner parts of the two limit sleeves 8 are jointly movably provided with a driving shaft 2, the outer side of the driving shaft 2 is provided with a fixed sleeve 3 arranged at equal intervals, the inner part of the fixed sleeve 3 is provided with a rotary tillage blade 5, the inner bottom wall of the fixed sleeve 3 is provided with a limit groove 13, the bottom end of the rotary tillage blade 5 is provided with a limit block 12, the limit block 12 is movably inserted into the limit groove 13, the limit block 12 is inserted into the limit groove 13 and can play a positioning role on the rotary tillage blade 5 to avoid the situation that the rotary tillage blade 5 shakes in the fixed sleeve 3, the bottom of the rotary tillage blade 5 is provided with a fixed hole 11, the right side of the fixed sleeve 3 is provided with a fixing mechanism 4, one end of the fixing mechanism 4 passes through the fixed sleeve 3 to be connected with the fixed hole 11, the inner top wall of the mounting frame 1 is provided with the mud scrapers 17 which are arranged equidistantly, the mud scrapers 17 are respectively positioned at two sides of the rotary tillage blade 5, under the action of the mud scrapers 17, when the rotary tillage blade 5 rotates between the two mud scrapers 17, the mud on the surface of the rotary tillage blade 5 can be removed, the soil can be better crushed, the bottom of the rear inner wall of the mounting frame 1 is provided with a movable hole 14, the inside of the movable hole 14 is movably inserted with a linkage rod 9, one end of the linkage rod 9 passes through a limiting sleeve 8 to be connected with the driving shaft 2, one end of the linkage rod 9 far away from the limiting sleeve 8 is provided with a chain wheel 10, the chain wheel 10 is connected with external driving equipment through the chain wheel 10 to drive the driving shaft 2 to rotate, so that the whole device can perform work circulation, the middle part at the top end of the mounting frame 1 is provided with a connecting frame 6, the top of the connecting frame 6 is provided with a mounting hole 7, the whole device can be mounted on agricultural machinery through the connecting frame 6 and the mounting hole 7, thereby enabling the soil to be crushed.

The first embodiment is as follows:

as shown in fig. 3, the fixing mechanism 4 includes a fixing frame 41 installed at one side of the fixing sleeve 3, an adjusting rod 43 is transversely movably inserted into the fixing frame 41, a limit baffle 44 is installed at one end of the adjusting rod 43, the limit baffle 44 is movably inserted into the fixing frame 41, a return spring 42 is sleeved outside the adjusting rod 43, two ends of the return spring 42 are respectively connected with the fixing frame 41 and the limit baffle 44, a fixing rod 45 is installed at one side of the limit baffle 44 away from the adjusting rod 43, the fixing rod 45 is movably inserted into the fixing hole 11, the limit baffle 44 is pushed by the return spring 42 to enable the limit baffle 44 to push the adjusting rod 43 to move in the fixing frame 41, the fixing rod 45 can penetrate through the fixing sleeve 3 and penetrate the fixing rod 45 into the fixing hole 11, the rotary tillage blade 5 can be fixed, and the rotary tillage blade 5 is kept stable in the fixing sleeve 3, the damaged rotary tillage blade 5 is convenient to replace.

The second embodiment:

as shown in fig. 4, spacing wheel 15 is all installed to two upper and lower inner walls of stop collar 8, ring channel 16 has all been seted up to the both sides of drive shaft 2, spacing wheel 15 activity respectively alternates in the inside of ring channel 16, alternate in the inside of ring channel 16 through spacing wheel 15, when drive shaft 2 rotates, can guarantee the stability of drive shaft 2 when high-speed rotation, and through the supporting role of spacing wheel 15 to drive shaft 2, when drive shaft 2 rotates, can effectively reduce the friction between drive shaft 2 and the stop collar 8, avoid equipment wearing and tearing to appear, guarantee that equipment can work for a long time steadily.

In the utility model, when a user uses the device and needs to replace the rotary tillage blade 5, the adjusting rod 43 is pulled to the right side to drive the limit baffle 44 to move in the fixed frame 41, the return spring 42 can be compressed, the fixed rod 45 is moved out of the fixed hole 11, thereby the fixation of the rotary tillage blade 5 is released, the damaged rotary tillage blade 5 is taken out of the fixed sleeve 3, the complete rotary tillage blade 5 is inserted in the fixed sleeve 3, the limit block 12 is inserted in the limit groove 13, the rotary tillage blade 5 can be positioned, the limit baffle 44 pushes the adjusting rod 43 to move in the fixed frame 41 by the push of the return spring 42 to the limit baffle 44, the fixed rod 45 can penetrate the fixed sleeve 3, the fixed rod 45 is inserted in the fixed hole 11, and the rotary tillage blade 5 can be fixed, when drive shaft 2 drives rotary blade 5 and rotates at a high speed, spacing wheel 15 alternates in the inside of ring channel 16, can guarantee the stability of drive shaft 2 when high-speed rotation, and through spacing wheel 15 to drive shaft 2's supporting role, when drive shaft 2 rotates, can effectively reduce the friction between drive shaft 2 and the stop collar 8, avoid equipment wearing and tearing to appear, guarantee that equipment can work steadily for a long time, and through the effect of mud scraper 17, when rotary blade 5 rotates between two mud scrapers 17, can get rid of the earth on rotary blade 5 surface, can carry out the breakage to the soil better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a rotary cultivator convenient to change blade, includes mounting bracket (1), its characterized in that, stop collar (8) are all installed to the bottom of two inner walls around mounting bracket (1), and the common movable mounting in inside of two stop collars (8) has drive shaft (2), fixed cover (3) that the equidistance was arranged are installed to the outside of drive shaft (2), the internally mounted of fixed cover (3) has rotary tillage blade (5), fixed orifices (11) have been seted up to the bottom of rotary tillage blade (5), fixed establishment (4) are installed on the right side of fixed cover (3), the one end of fixed establishment (4) is passed fixed cover (3) and is connected with fixed orifices (11), movable hole (14) have been seted up to the bottom of inner wall behind mounting bracket (1), the internal activity interlude of movable orifice (14) has gangbar (9), the one end of gangbar (9) is passed stop collar (8) and is connected with drive shaft (2), and a chain wheel (10) is arranged at one end of the linkage rod (9) far away from the limiting sleeve (8).

2. The rotary cultivator convenient for blade replacement according to claim 1, wherein the fixing mechanism (4) comprises a fixing frame (41) installed on one side of the fixing sleeve (3), an adjusting rod (43) is transversely movably inserted in the fixing frame (41), a limiting baffle (44) is installed at one end of the adjusting rod (43), the limiting baffle (44) is movably inserted in the fixing frame (41), a return spring (42) is sleeved on the outer side of the adjusting rod (43), two ends of the return spring (42) are respectively connected with the fixing frame (41) and the limiting baffle (44), a fixing rod (45) is installed on one side, away from the adjusting rod (43), of the limiting baffle (44), and the fixing rod (45) is movably inserted in the fixing hole (11).

3. The rotary cultivator convenient for blade replacement according to claim 1, wherein the upper and lower inner walls of the limiting sleeve (8) are provided with limiting wheels (15), the two sides of the driving shaft (2) are provided with annular grooves (16), and the limiting wheels (15) are movably inserted into the annular grooves (16) respectively.

4. The rotary cultivator convenient for blade replacement as claimed in claim 1, wherein the inner bottom wall of the fixed sleeve (3) is provided with a limiting groove (13), the bottom end of the rotary tillage blade (5) is provided with a limiting block (12), and the limiting block (12) is movably inserted into the limiting groove (13).

5. The rotary cultivator convenient for blade replacement according to claim 1, wherein a connecting frame (6) is mounted in the middle of the top end of the mounting frame (1), and a mounting hole (7) is formed in the top of the connecting frame (6).

6. A rotary cultivator facilitating blade replacement according to claim 1, wherein the inner top wall of the mounting bracket (1) is provided with scraper plates (17) arranged at equal intervals, and the scraper plates (17) are respectively arranged at two sides of the rotary cultivating blade (5).