CN219961275U - Biax stubble-cleaning rotary cultivator with oil-immersed arbor bearing frame - Google Patents

Abstract

The utility model provides a double-shaft stubble-cleaning rotary cultivator with oil-immersed cutter shaft bearing seats, which comprises a frame, cutter shafts and bearing seats, wherein a plurality of bearing seats are fixedly arranged on the surface of the frame, cutter shafts are rotatably arranged between the two bearing seats, annular grooves are symmetrically formed in the surfaces of the bearing seats, the number of the annular grooves is six, a plurality of balls are arranged on the surfaces of the annular grooves in a matched manner, annular blocks are arranged on the surfaces of the plurality of balls in a matched manner, the three annular blocks are slidably arranged on the cutter shafts, limiting devices are rotatably arranged on the surfaces of the annular blocks, and the limiting devices are fixedly connected with the frame.

Description

Biax stubble-cleaning rotary cultivator with oil-immersed arbor bearing frame

Technical Field

The utility model relates to the technical field of rotary tillers, in particular to a double-shaft stubble cleaning rotary tiller with an oil immersed cutter shaft bearing seat.

Background

The rotary cultivator is a cultivator matched with a tractor to complete the tillage and harrowing operation. The soil-crushing machine has the characteristics of strong soil-crushing capability, flat ground surface after tillage and the like, so that the soil-crushing machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, so that the operation of the seeder is facilitated, and a good seed bed is provided for later seeding. The rotary cultivator has the functions of breaking the plough bottom layer, restoring the soil plough layer structure, improving the water storage and soil moisture preservation capacity of the soil, eliminating partial weeds, reducing plant diseases and insect pests, leveling the ground surface, improving the agricultural mechanized operation standard and the like.

The arbor bearing frame of traditional rotary cultivator mostly lubricates the bearing through injecting into butter, can contact with earth when the rotary cultivator is used, and the arbor high-speed rotation, butter lubrication effect is not good, because does not set up protective structure, leads to the bearing fragile, and then leads to using inconveniently.

Therefore, it is necessary to provide a double-shaft stubble-cleaning rotary cultivator with an oil immersed cutter shaft bearing seat to solve the technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a double-shaft stubble-cleaning rotary cultivator with an oil-immersed cutter shaft bearing seat, which comprises a frame, cutter shafts and bearing seats, wherein a plurality of bearing seats are fixedly arranged on the surface of the frame, the cutter shafts are rotatably arranged between the two bearing seats, annular grooves are symmetrically formed in the surfaces of the bearing seats, six annular grooves are formed in the surfaces of the annular grooves in a matched manner, a plurality of balls are arranged on the surfaces of the plurality of balls in a matched manner, annular blocks are slidably arranged on the cutter shafts, limiting devices are rotatably arranged on the surfaces of the annular blocks, the limiting devices are fixedly connected with the frame, grooves are formed in the surfaces of the cutter shafts, and the grooves are rotatably arranged with the limiting devices.

Preferably, the surface of the annular block is symmetrically provided with limiting grooves along the center, and the limiting grooves are in sliding connection with the cutter shaft.

Preferably, stop device includes stopper, movable column, circular block, circular groove, fixed column and spring, and the stopper is installed to the surface rotation of recess and annular block, and the fixed surface of stopper is connected with movable column, and the one end fixedly connected with circular block that the stopper was kept away from to the movable column, and the surface of frame is located the other fixedly connected with fixed column of stopper, and the circular groove has been seted up on the surface of fixed column, and the surface sliding connection of circular groove has the circular block, and the surface fixedly connected with spring of circular block, the surface and movable column fixed connection that the spring was kept away from to the circular block.

Preferably, the initial state of the spring is a compressed state.

Preferably, the surface of the movable column is fixedly provided with an L-shaped plate, and the surface of the L-shaped plate, which is far away from the limiting block, is slidably provided with an adjusting block.

Compared with the prior art, the utility model provides the double-shaft stubble-cleaning rotary cultivator with the oil immersed cutter shaft bearing seat, which has the following beneficial effects:

according to the utility model, the initial state of the spring is a compressed state, the limiting block can be tightly contacted with the surfaces of the annular block and the groove by utilizing the elastic force of the spring, the annular block and the cutter shaft are installed and positioned, and when the cutter shaft rotates, relative rotation is generated between the limiting block and the annular block, between the annular block and the groove and between the limiting block and the cutter shaft, so that the surfaces of the groove, the cutter shaft and the annular block can be scraped, soil is prevented from adhering to the surfaces of the cutter shaft, the cutter shaft is protected, and the cutter shaft is convenient to use.

Drawings

FIG. 1 is one of the overall structural schematic of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the cooperation structure of the limiting block, the groove and the annular block;

FIG. 4 is a schematic view of the circular groove and spring configuration of the present utility model;

FIG. 5 is a schematic illustration of the annular groove and ball configuration of the present utility model;

fig. 6 is a schematic view of the movable column and block structure of the present utility model.

In the figure: 1. a frame; 2. a cutter shaft; 3. a bearing seat; 4. an annular groove; 5. a ball; 6. an annular block; 7. a limiting device; 8. a groove; 9. a limit groove; 10. a limiting block; 11. a movable column; 12. a circular block; 13. a circular groove; 14. fixing the column; 15. a spring; 16. an L-shaped plate; 17. and an adjusting block.

Detailed Description

Referring to fig. 1 to 6, the utility model relates to a double-shaft stubble-cleaning rotary cultivator with oil-immersed cutter shaft bearing seats, which comprises a frame 1, cutter shafts 2 and bearing seats 3, wherein a plurality of bearing seats 3 are fixedly arranged on the surface of the frame 1, the cutter shafts 2 are rotatably arranged between the two bearing seats 3, annular grooves 4 are symmetrically arranged on the surface of the bearing seats 3, six annular grooves 4 are arranged on the surface of the annular groove 4 in a matched manner, a plurality of balls 5 are arranged on the surface of the annular groove 4 in a matched manner, annular blocks 6 are arranged on the surface of the plurality of balls 5 in a matched manner, the three annular blocks 6 are slidably arranged on the cutter shafts 2, limiting devices 7 are rotatably arranged on the surface of the annular blocks 6, the limiting devices 7 are fixedly connected with the frame 1, grooves 8 are formed in the surface of the cutter shafts 2, and the grooves 8 are rotatably arranged on the limiting devices 7.

Limiting grooves 9 are symmetrically formed in the surface of the annular block 6 along the center, and the limiting grooves 9 are slidably inserted into the cutter shaft 2, so that the annular block 6 can rotate along with the rotation of the cutter shaft 2.

The limiting device 7 comprises a limiting block 10, a movable column 11, a round block 12, a round groove 13, a fixed column 14 and a spring 15, wherein the limiting block 10 is installed on the surface of the groove 8 and the annular block 6 in a rotating mode, the movable column 11 is fixedly connected with the surface of the limiting block 10, one end of the movable column 11, which is far away from the limiting block 10, is fixedly connected with the round block 12, the surface of the frame 1 is located beside the limiting block 10, the fixed column 14 is fixedly connected with the surface of the fixed column 14, the round groove 13 is formed in the surface of the round groove 13, the round block 12 is fixedly connected with the spring 15, the surface of the round block 12, which is far away from the spring 15, is fixedly connected with the movable column 11, the function of installing and positioning the annular block 6 and the cutter shaft 2 is achieved, and relative rotation is generated between the limiting block 10, the annular block 6, the groove 8 and the cutter shaft 2 along with the rotation of the cutter shaft 2, and soil scraping treatment can be carried out on the surfaces of the groove 8, the cutter shaft 2 and the annular block 6.

The initial state of the spring 15 is a compressed state, so that enough acting force can be ensured to enable the limiting block 10 to be in close contact with the surfaces of the groove 8, the cutter shaft 2 and the annular block 6;

it should be noted that, the surface of the limiting block 10 may be provided with a hollow portion, so as to reduce the surface contact area between the limiting block 10 and the groove 8, the arbor 2 and the annular block 6, further reduce the friction resistance, and ensure the overall operation to be stable.

The surface of the movable column 11 is fixedly provided with an L-shaped plate 16, and the surface of the L-shaped plate 16 far away from the limiting block 10 is slidably provided with an adjusting block 17, so that the limiting block 10 can be conveniently limited after being adjusted.

It should be noted that:

the gearbox assembly can be mounted on the surface of the frame 1 and is matched with the cutter shaft 2 to drive the whole operation, when the limiting block 10 is separated from the groove 8 and the annular block 6, the L-shaped plate 16 is only required to be pulled, the movable column 11 moves along with the movement of the L-shaped plate 16, the spring 15 is further compressed until the end face, far away from the limiting block 10, of the adjusting block 17 and the fixed column 14 can be adjusted to be matched, the limiting block 10 is limited after adjustment, and the cutter shaft 2 is convenient to detach;

the annular block 6 rotates along with the rotation of the cutter shaft 2, and through the arrangement of the balls 5 and the annular groove 4, the friction resistance born by the cutter shaft 2 during rotation can be reduced, and the integral operation stability is ensured.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a biax stubble-cleaning rotary cultivator with oil-immersed arbor bearing frame, includes frame (1), arbor (2) and bearing frame (3), the surface fixed mounting of frame (1) has a plurality of bearing frames (3), two install arbor (2) between bearing frame (3) rotation, a serial communication port, annular groove (4) are seted up to the surface symmetry of bearing frame (3), and annular groove (4) have six, a plurality of balls (5) are installed to the surface engagement of annular groove (4), a plurality of annular piece (6) are installed to the surface engagement of balls (5), three annular piece (6) all with arbor (2) slidable mounting, stop device (7) are installed in the surface rotation of annular piece (6), a plurality of stop device (7) all with frame (1) fixed connection, fluted (8) are seted up on the surface of arbor (2), fluted (8) and stop device (7) rotate the installation.

2. The double-shaft stubble-cleaning rotary cultivator with an oil immersed cutter shaft bearing seat according to claim 1, wherein: limiting grooves (9) are symmetrically formed in the surface of the annular block (6) along the center, and the limiting grooves (9) are in sliding connection with the cutter shaft (2).

3. The double-shaft stubble-cleaning rotary cultivator with an oil immersed cutter shaft bearing seat according to claim 1, wherein: stop device (7) are including stopper (10), movable column (11), circular block (12), circular groove (13), fixed column (14) and spring (15), stopper (10) are installed in the surface rotation of recess (8) and annular piece (6), the fixed surface of stopper (10) is connected with movable column (11), the one end fixedly connected with circular block (12) of stopper (10) are kept away from to movable column (11), the surface of frame (1) is located other fixedly connected with fixed column (14) of stopper (10), circular groove (13) have been seted up to the surface of fixed column (14), the surface sliding connection of circular groove (13) has circular block (12), the surface fixedly connected with spring (15) of circular block (12), the surface and movable column (11) fixed connection of spring (15) are kept away from to circular block (12).

4. A dual-shaft stubble-cleaning rotary cultivator having an oil immersed arbor bearing block as claimed in claim 3, wherein: the initial state of the spring (15) is a compressed state.

5. A dual-shaft stubble-cleaning rotary cultivator having an oil immersed arbor bearing block as claimed in claim 3, wherein: the surface of the movable column (11) is fixedly provided with an L-shaped plate (16), and the surface of the L-shaped plate (16) far away from the limiting block (10) is slidably provided with an adjusting block (17).