CN219981456U

CN219981456U - Small rotary cultivator

Info

Publication number: CN219981456U
Application number: CN202321458108.6U
Authority: CN
Inventors: 王丽; 郭长飞; 郭长征
Original assignee: Hunan Jinjiushi Agricultural Technology Co ltd
Current assignee: Hunan Jinjiushi Agricultural Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-10
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to the technical field of rotary tillers, in particular to a small rotary tiller. The novel rotary cultivator comprises a shell, wherein the front surface and the rear surface of the shell are fixedly connected with a protective shell, the rear surface of the protective shell is rotationally connected with a rotary column, the rotary column is located at the lower side of the shell, a plurality of tilling knives are arranged on the side wall of the rotary column, two support blocks are fixedly connected with support blocks on the right surface of the protective shell, round grooves are formed in the right side of the front surface of the support blocks, two wheels are arranged on the surfaces, away from each other, of the support blocks, a round shaft is rotationally connected between the round grooves, the front surface and the rear surface of the round shaft are coaxially connected with the wheels, a U-shaped frame is fixedly connected with a hydraulic cylinder on the lower surface of the U-shaped frame, and the problems that the conventional small rotary cultivator is mostly pushed by hand, the push rod is required to be lifted upwards to enable the tilling knives not to rub with the ground when the road surface is smooth to move, and the conditions of being laborious and inconvenient to move are solved.

Description

Small rotary cultivator

Technical Field

The utility model relates to the technical field of rotary tillers, in particular to a small rotary tiller.

Background

The rotary cultivator is a cultivator matched with a tractor to complete cultivation and harrowing operation, and has wide application due to the characteristics of strong soil breaking capacity, flat ground surface after cultivation and the like; meanwhile, the stubble buried below the ground surface can be cut up, the operation of the seeder is facilitated, a good seed bed is provided for later seeding, the stubble is divided into two types of transverse shaft type and vertical shaft type according to the configuration mode of a rotary tillage cutter shaft of the stubble cutter, the rotary cultivator is correctly used and adjusted, the good technical state of the stubble cutter is ensured, and the stubble cutter is very important to maintain the cultivation quality, and has the effects of breaking a bottom plow layer, restoring a soil cultivation layer structure, improving the soil water storage and soil moisture conservation capability, eliminating part of weeds, reducing plant diseases and insect pests, leveling the ground surface, improving the agricultural mechanized operation standard and the like.

When the large-scale agricultural machinery is inconvenient to work due to small cultivated land, a small rotary cultivator is often used for cultivating, most of the existing small rotary cultivator is pushed by hand, when the road surface is smooth to move, a push rod is required to be lifted to enable a cultivated blade to be separated from the ground upwards, and when the road surface is smooth to move, the cultivated blade is enabled not to rub with the ground, so that the small-scale agricultural machinery is laborious and inconvenient to move.

The technical scheme of the prior art with the publication number of CN216391996U is that the novel rotary cultivator comprises a small mini-tiller, a rear drive shaft of the mini-tiller is arranged, rotary blades are uniformly arranged on the drive shaft, a bending angle formed between a blade part of each rotary blade and a cutter handle part is 125-135 degrees, a turnover plow share is arranged on a rear end connecting frame of the mini-tiller, the turnover plow share is located behind the rotary blades, a working surface of the turnover plow share is a concave cambered surface and comprises an upper plow surface and a lower plow surface, the lower plow surface is triangular, the upper plow surface is quadrilateral, and the length of the upper plow surface is 1/3-2/5 of the width of the upper plow surface. The rotary tillage cutter increases the bending angle on the basis of the traditional cutter, reduces the effective tillage depth, and enhances the precession force. After the mini-tiller is started, the rotary tillage blades cut into and crush soil to provide forward traction for the whole cultivator; the ploughshare is turned over to deeply penetrate into the bottom of the crushed soil, the contact area between the plough surface and the soil is reduced, the cutting performance of the plough surface is enhanced, and the ploughing of deep soil can be completed.

Although the scheme can achieve ideal tilling depth, the problem that a push rod is required to be lifted to enable a tilling blade not to rub against the ground when a flat road surface moves cannot be solved, and in view of the problem, a small rotary cultivator is proposed.

Disclosure of Invention

The utility model aims to provide a small rotary cultivator to solve the problems in the background art.

In order to achieve the above purpose, the utility model provides a small rotary cultivator, which comprises a shell, wherein the front surface and the rear surface of the shell are fixedly connected with a protective shell, the rear surface of the protective shell on the front side is rotationally connected with a rotary column, the rotary column is positioned on the lower side of the shell, the side wall of the rotary column is provided with a plurality of tilling knives, the right surfaces of the two protective shells are fixedly connected with supporting blocks, the right side of the front surface of the supporting blocks is provided with round grooves, the surfaces, far away from each other, of the two supporting blocks are provided with tires, a round shaft is rotationally connected between the two round grooves, the front surface and the rear surface of the round shaft are coaxially connected with the tires, a U-shaped frame is fixedly connected between the left surfaces of the two protective shells, the lower surface of the U-shaped frame is fixedly connected with a hydraulic cylinder, the lower side of the hydraulic cylinder is provided with a U-shaped plate, the inner wall of the U-shaped plate is rotationally connected with wheels, and the right surface of the shell is fixedly connected with a pair of push rods.

As a further improvement of the technical scheme, a cavity is formed in the shell, a hollow groove is formed in the rear wall of the cavity, a motor is fixedly connected to the bottom wall of the cavity, a rotating shaft is coaxially connected to an output shaft of the motor, the rotating shaft is rotationally connected with the hollow groove, a rotating block is coaxially connected to the other end of the rotating column, a tape reel is coaxially connected to the rotating block and the other end of the rotating shaft, and two tape reels are in belt transmission.

As a further improvement of the technical scheme, the inside of the protective shell at the rear side is provided with a cavity, the front wall of the cavity is provided with a round hole and a groove body, the round hole is communicated with the empty groove, the round hole is rotationally connected with the rotating shaft, the groove body is rotationally connected with the protective shell, and the tape disc is positioned in the cavity.

As a further improvement of the technical scheme, the side wall of the rotary column is fixedly connected with a plurality of inserting blocks, the inserting blocks are far away from one surface of the rotary column, the inserting grooves are spliced with the tilling blade, the clamping grooves are formed in the rear surface of the tilling blade, the rear surface of the inserting blocks is provided with thread grooves, the inner threads of the thread grooves are connected with bolts, the front sides of the bolts are in sliding connection with the clamping grooves, and the tilling blade is positioned on the lower side of the shell.

As a further improvement of the technical scheme, the upper surface of the U-shaped plate is rotationally connected with the lower surface of the telescopic rod of the hydraulic cylinder, and the side wall of the wheel is lower than the lower surface of the U-shaped plate.

As a further improvement of the technical scheme, the left surface and the right surface of the shell are fixedly connected with baffle plates, and the right side of the side wall of the push rod is fixedly connected with an anti-slip layer.

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

in this small-size rotary cultivator, through wheel and pneumatic cylinder and the push rod that set up, when this device was moving on level ground, make the pneumatic cylinder circular telegram work, its inside telescopic link promotes the U template downwards, makes the casing upwards rotate to make the tilling blade break away from ground upwards, thereby prevent this device when level ground removes, tilling blade and ground emergence friction make this device remove conveniently and more laborsaving.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a housing structure according to the present utility model;

FIG. 3 is a schematic view of a rotary column according to the present utility model;

FIG. 4 is a schematic diagram of a protective shell structure according to the present utility model;

fig. 5 is a schematic view of a tillage cutter structure according to the present utility model.

The meaning of each reference sign in the figure is:

1. a housing; 10. a cavity; 11. a hollow groove; 12. a motor; 120. a rotating shaft; 13. a baffle; 14. a push rod; 15. an anti-slip layer;

2. a protective shell; 20. rotating the column; 200. a rotating block; 21. a support block; 210. a circular groove; 22. a circular shaft; 23. a tire; 24. a cavity; 25. a round hole; 26. a tank body; 27. a tape reel;

3. inserting blocks; 30. a slot; 31. a thread groove; 32. a tillage knife; 320. a clamping groove; 33. a bolt;

4. a U-shaped frame; 40. a hydraulic cylinder; 41. a U-shaped plate; 42. and (3) wheels.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present embodiment provides a small rotary cultivator, which comprises a housing 1, the front and rear surfaces of the housing 1 are fixedly connected with a protecting housing 2, the rear surface of the protecting housing 2 on the front side is rotationally connected with a rotating column 20, the rotating column 20 is located on the lower side of the housing 1, a plurality of tilling knives 32 are arranged on the side wall of the rotating column 20, two supporting blocks 21 are fixedly connected with the right surface of the protecting housing 2, round grooves 210 are formed on the right side of the front surface of the supporting blocks 21, tires 23 are respectively arranged on the surfaces, far away from each other, of the two supporting blocks 21, a round shaft 22 is rotationally connected between the two round grooves 210, the front and rear surfaces of the round shaft 22 are coaxially connected with the tires 23, a U-shaped frame 4,U-shaped frame 4 is fixedly connected with a hydraulic cylinder 40 between the left surfaces of the two protecting housings 2, a U-shaped 41 is rotationally connected with wheels 42 between the inner walls of the hydraulic cylinder 40, and a pair of push rods 14 are fixedly connected with the right surface of the housing 1.

The working principle is as follows: pushing push rod 14 to the left makes tire 23 and wheel 42 rotate to make this device move to the left, make pivot 120 drive upside's tep reel 27 rotate, pass through belt drive between two tep reel 27, thereby make downside's tep reel 27 drive through turning block 200 and rotate post 20, the rotation post 20 drives inserted block 3 and tilling sword 32 and rotate, carry out the farming to the farmland, when this device is moving on level ground, make pneumatic cylinder 40 switch on work, its inside telescopic link downwards promotes U template 41, make casing 1 upwards rotate, thereby make tilling sword 32 upwards break away from ground, can prevent this device when level ground removes, tilling sword 32 and ground friction take place, it is more laborsaving and remove more convenient.

In order to make the rotating column 20 drive the tillage cutter 32 to rotate for tillage of farmlands, the cavity 10 is arranged in the shell 1, the hollow groove 11 is arranged on the rear wall of the cavity 10, the bottom wall of the cavity 10 is fixedly connected with the motor 12, the output shaft of the motor 12 is coaxially connected with the rotating shaft 120, the rotating shaft 120 is rotationally connected with the hollow groove 11, the other end of the rotating column 20 is coaxially connected with the rotating block 200, the rotating block 200 and the other end of the rotating shaft 120 are coaxially connected with the belt reels 27, the two belt reels 27 are driven by a belt, the motor 12 is electrified to rotate in operation, and the belt drives the rotating column 20 to rotate, so that the tillage cutter 32 performs tillage on farmlands.

Considering that during operation, the tillage knife 32 is easy to lift up foreign matters such as soil and stones to rub the belt, so that the service life of the device is shortened, the cavity 24 is formed in the rear protective shell 2, the front wall of the cavity 24 is provided with the round hole 25 and the groove body 26, the round hole 25 is communicated with the empty groove 11, the round hole 25 is rotationally connected with the rotating shaft 120, the groove body 26 is rotationally connected with the protective shell 2, the belt disc 27 is positioned in the cavity 24, and the foreign matters lifted up by the tillage knife 32 are blocked by the rear protective shell 2, so that the purpose of protecting the belt is achieved.

During operation, the tillage cutter 32 is damaged due to friction with foreign matters such as stones in soil, the tillage cutter 32 needs to be replaced conveniently, so that the side wall of the rotating column 20 is fixedly connected with a plurality of inserting blocks 3, one surface of each inserting block 3, which is far away from the rotating column 20, is provided with an inserting groove 30, each inserting groove 30 is inserted with the tillage cutter 32, the rear surface of each tillage cutter 32 is provided with a clamping groove 320, the rear surface of each inserting block 3 is provided with a threaded groove 31, the inner threads of each threaded groove 31 are connected with bolts 33, the front sides of the bolts 33 are in sliding connection with the clamping grooves 320, the tillage cutter 32 is located on the lower side of the shell 1, when the tillage cutter 32 needs to be replaced, the tillage cutter 32 can be pulled out leftwards only by rotating the bolts 33 anticlockwise, then inserting a new tillage cutter 32 into the inserting grooves 30 rightwards, and rotating the bolts 33 clockwise to enable the front ends of the novel tillage cutter 32 to be inserted into the clamping grooves 320, and the replacement of the tillage cutter 32 can be completed.

When the device moves on a flat ground, the device is convenient to turn, so the upper surface of the U-shaped plate 41 is rotationally connected with the lower surface of the telescopic rod of the hydraulic cylinder 40, and the side walls of the wheels 42 are lower than the lower surface of the U-shaped plate 41, so that the device can complete turning only by enabling the U-shaped plate 41 to drive the wheels 42 to rotate.

In addition, in order to prevent soil raised by the tillage knife 32 from splashing outwards, the left surface and the right surface of the shell 1 are fixedly connected with baffle plates 13, and the right side of the side wall of the push rod 14 is fixedly connected with an anti-slip layer 15, so that the soil raised by the tillage knife 32 is blocked by the baffle plates 13.

When the small rotary cultivator in the embodiment is specifically used, firstly, a worker holds the anti-slip layer 15, pushes the push rod 14 leftwards to enable the tire 23 and the wheels 42 to rotate, so that the device moves leftwards, the motor 12 is electrified to work, the output shaft drives the upper-side belt reels 27 to rotate through the rotating shaft 120, belt transmission is carried out between the two belt reels 27, the lower-side belt reels 27 drive the rotating column 20 to rotate through the rotating block 200, the rotating column 20 drives the inserting block 3 and the tilling blade 32 to rotate, farmland is cultivated, meanwhile, the belt is protected from being rubbed by foreign matters raised by the tilling blade 32 through the protective shell 2 at the rear side, soil raised by the tilling blade 32 is prevented from splashing outwards through the baffle 13, when the device moves on a flat ground, only the hydraulic cylinder 40 is required to work, the inner telescopic rod of the device pushes the U-shaped plate 41 downwards, the shell 1 is enabled to rotate upwards, the tilling blade 32 is enabled to be separated from the ground upwards, friction is prevented from occurring between the tilling blade 32 and the ground, when the rotary block 200 is required to turn, the rotating the push rod 14 drives the wheels 41 to rotate, the inserting block 3 and the wheels 42 to rotate, the device can be enabled to rotate, when the rotary block 32 is required to rotate, the clamp 31 is enabled to rotate forwards and the clamp 32 to slide forwards, the clamp 32 is enabled to slide backwards, and the clamp 32 is required to slide forwards, and the clamp 32 is replaced backwards, and the clamp 32 is required to slide forwards to be replaced backwards, and the screw 32 is replaced 32 is required to be replaced, and the screw 32 is required to slide upwards and is replaced.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Small rotary cultivator, its characterized in that: including casing (1), the equal fixedly connected with protecting crust (2) of surface around casing (1), the front side the protecting crust (2) rear surface rotates and is connected with rotation post (20), rotation post (20) are located casing (1) downside, rotation post (20) lateral wall is provided with a plurality of tilling knives (32), two protecting crust (2) right side equal fixedly connected with supporting shoe (21), circular slot (210) have been seted up on supporting shoe (21) front surface right side, two the one side that supporting shoe (21) kept away from each other all is provided with tire (23), two rotate between circular slot (210) and be connected with circular axle (22), both ends all with tire (23) coaxial coupling around circular axle (22) fixedly connected with U type frame (4) between protecting crust (2) left surface, U type frame (4) lower surface fixedly connected with pneumatic cylinder (40), pneumatic cylinder (40) downside is provided with template (41), U type frame (41) rotation between U inner wall (42), a pair of casing (14) fixedly connected with push rod (14).

2. The miniature rotary cultivator of claim 1, wherein: the novel rotary drum type electric motor is characterized in that a cavity (10) is formed in the shell (1), an empty groove (11) is formed in the rear wall of the cavity (10), a motor (12) is fixedly connected to the bottom wall of the cavity (10), a rotating shaft (120) is coaxially connected to an output shaft of the motor (12), the rotating shaft (120) is rotationally connected with the empty groove (11), a rotating block (200) is coaxially connected to the other end of the rotating column (20), a tape reel (27) is coaxially connected to the other end of the rotating block (200) and the other end of the rotating shaft (120), and belt transmission is carried out between the two tape reels (27).

3. The miniature rotary cultivator of claim 2, wherein: the inside cavity (24) of having seted up of protecting crust (2) of rear side, round hole (25) and cell body (26) have been seted up to cavity (24) front wall, round hole (25) and empty slot (11) intercommunication, round hole (25) are connected with pivot (120) rotation, cell body (26) are connected with protecting crust (2) rotation, tep reel (27) are located cavity (24).

4. The miniature rotary cultivator of claim 1, wherein: the utility model provides a rotary column (20) lateral wall fixedly connected with a plurality of inserts (3), slot (30) have been seted up to one side that rotates column (20) was kept away from to inserts (3), slot (30) are pegged graft with tilling blade (32), draw-in groove (320) have been seted up to tilling blade (32) rear surface, screw thread groove (31) have been seted up to insert (3) rear surface, screw thread groove (31) female connection has bolt (33), bolt (33) front side and draw-in groove (320) sliding connection, tilling blade (32) are located casing (1) downside.

5. The miniature rotary cultivator of claim 1, wherein: the upper surface of the U-shaped plate (41) is rotationally connected with the lower surface of the telescopic rod of the hydraulic cylinder (40), and the side wall of the wheel (42) is lower than the lower surface of the U-shaped plate (41).

6. The miniature rotary cultivator of claim 1, wherein: the left surface and the right surface of the shell (1) are fixedly connected with baffle plates (13), and the right side of the side wall of the push rod (14) is fixedly connected with an anti-slip layer (15).