CN219780864U - Gearbox and rotary cultivator - Google Patents

Abstract

The utility model provides a gearbox which is used on a rotary cultivator and comprises a box body, wherein an oil seal piece, a dust proof piece and a flower keyboard are sequentially arranged on the box body; the oil seal piece comprises an oil seal seat, one side of the oil seal seat is provided with a containing cavity, and the dustproof piece is arranged in the containing cavity; the dustproof piece comprises a dustproof ring, a plurality of protrusions are arranged on the dustproof ring, and the protrusions are respectively arranged in a sealing and opposite mode with the oil seal seat and the spline disc. The gearbox of this structure sets up oil blanket seat, dust ring and spline dish through one side or both sides at the gearbox to set up a plurality of arch on the dust ring, make its relative setting with oil blanket seat and spline dish become more inseparable, debris such as dust can't reenter in the box. Compared with the gearbox with the existing structure, the gearbox is better in tightness, higher in reliability and longer in service life. In addition, the utility model also provides a rotary cultivator comprising the gearbox.

Description

Gearbox and rotary cultivator

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a gearbox and a rotary cultivator.

Background

In recent years, with the continuous development of economy and technology, agricultural machinery with various structures, such as rotary tillers and the like, have been increasingly used in a wide range of agricultural activities.

The rotary cultivator is usually combined with a tractor, is arranged on the tractor through a suspension and the like, comprises a rotatable cutter roll shaft and a plurality of groups of blades arranged on the cutter roll shaft, and drives the blades to rotate together when the cutter roll shaft rotates, so that farmland and land rotary tillage is realized. Comparatively speaking, the working environment of rotary cultivator is abominable, and during operation, the dust flies upward, or muddy water splashes, consequently, often has impurity such as silt, dust to get into in the gearbox, leads to gearbox oil leak and damage.

In view of the foregoing, it would be desirable to provide a gearbox with better sealing, higher reliability and longer service life, and a rotary cultivator comprising the gearbox.

Disclosure of Invention

The utility model aims to solve the technical problems that: a gear box with better sealing performance, higher reliability and longer service life and a rotary cultivator comprising the gear box are provided.

The solution of the utility model is realized as follows: the utility model provides a gearbox which is used on a rotary cultivator and comprises a box body, wherein an oil seal piece, a dust proof piece and a flower keyboard are sequentially arranged on the box body; the oil seal piece comprises an oil seal seat, one side of the oil seal seat is provided with a containing cavity, and the dustproof piece is arranged in the containing cavity; the dustproof piece comprises a dustproof ring, a plurality of protrusions are arranged on the dustproof ring, and the protrusions are respectively arranged in a sealing and opposite mode with the oil seal seat and the spline disc. The gearbox of this structure sets up oil blanket seat, dust ring and spline dish through one side or both sides at the gearbox to set up a plurality of archs on the dust ring, make its relative setting with oil blanket seat and spline dish become more inseparable, debris such as dust can't reenter in the box. Compared with the gearbox with the existing structure, the gearbox is better in tightness, higher in reliability and longer in service life.

The spline disc comprises a shaft shoulder, wherein a protruding part is arranged on the shaft shoulder, protrudes towards the accommodating cavity and is arranged opposite to the oil seal seat in a sealing way.

The other technical scheme of the utility model is that on the basis of the above, the bulge comprises a first bulge and a second bulge, the second bulge is arranged on one side of the first bulge, the first bulge is arranged opposite to the bulge, and the second bulge is arranged opposite to the shaft shoulder.

The other technical scheme of the utility model is that on the basis of the above, the bulge further comprises a third bulge and a fourth bulge, the fourth bulge is arranged on one side of the third bulge, and the third bulge and the fourth bulge are respectively arranged opposite to the oil seal seat.

The other technical scheme of the utility model is that on the basis of the above, a plurality of pressing strips which are fixedly arranged are also arranged on the flower keyboard, when the flower keyboard rotates, the pressing strips are driven to rotate, and the pressing strips are used for preventing sundries from being wound on the box body.

The other technical scheme of the utility model is that on the basis of the above, the oil sealing piece further comprises a plurality of oil seals, and the plurality of oil seals are arranged on the other side of the oil sealing seat.

The other technical scheme of the utility model is that on the basis of the above, the oil seal seat comprises a first oil seal seat and a second oil seal seat, the first oil seal seat and the second oil seal seat have the same structure, and the first oil seal seat and the second oil seal seat are respectively arranged at two sides of the box body; the dustproof ring comprises a first dustproof ring and a second dustproof ring, the first dustproof ring and the second dustproof ring are identical in structure, and the first dustproof ring and the second dustproof ring are respectively arranged on two sides of the box body.

The other technical scheme of the utility model is that on the basis of the above, the spline disc comprises a first spline disc and a second spline disc, and the first spline disc and the second spline disc have the same structure and are respectively arranged at two sides of the box body; the layering includes first layering and second layering, first layering sets up on first flower keyboard, the second layering set up in on the second flower keyboard.

On the other hand, the utility model also provides a rotary cultivator, which comprises a frame, wherein the frame is provided with a gearbox, and the gearbox is the gearbox.

The rotary cultivator further comprises a suspension, a cutter roll shaft and a middle plow, wherein the suspension is arranged on the frame, the middle plow is arranged in the middle of the frame, one end of the cutter roll shaft is arranged on the frame, and the other end of the cutter roll shaft is arranged in the gearbox.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of a rotary cultivator according to the present utility model;

FIG. 2 is a schematic illustration of the internal structure of the transmission of FIG. 1;

FIG. 3 is a partial schematic diagram of a transmission;

fig. 4 is a schematic view of the dust ring in fig. 3.

The reference sign correspondence is:

1 frame 2 knife roll shaft 3 blade

4 box 5 middle plow 6 input shaft

7 suspension 8 oil seal 9 first oil seal seat

First dust ring 11 first flower keyboard 12 first pressing strip

13 the second dust ring 14 shaft shoulder 15 protruding part

16 first protrusion 17 second protrusion 18 third protrusion

19 fourth protrusions 20 second bead 21 second spline plate

22 second oil seal seat

Detailed Description

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the utility model in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.

Referring to fig. 1 to 4, the rotary cultivator includes a gearbox, the gearbox specifically includes a box body 4, an oil seal, a dust-proof piece and a keypad are sequentially disposed on the box body 4, specifically on the left side or the right side or on the left side and the right side of the box body 4, the oil seal specifically includes an oil seal seat, one side of the oil seal seat, namely, the left side shown in fig. 2 and 3 is provided with a containing cavity, and the dust-proof piece is disposed in the containing cavity. The dustproof piece specifically comprises a dustproof ring, a plurality of bulges are arranged on the dustproof ring, and the bulges are respectively arranged in a sealing and opposite mode with the oil seal seat and the spline disc. The gearbox of this structure sets up oil blanket seat, dust ring and spline dish through one side or both sides at the gearbox to set up a plurality of archs on the dust ring, make its relative setting with oil blanket seat and spline dish become more inseparable, debris such as dust can't reenter in the box 4. Compared with the gearbox with the existing structure, the gearbox is better in tightness, higher in reliability and longer in service life.

In another embodiment of the present utility model, as shown in fig. 2 to 4, the spline disc includes a shoulder 14, a boss 15 is disposed on the shoulder 14, and the boss 15 protrudes toward the accommodating cavity, i.e. protrudes rightward, and is disposed opposite to the seal seat in a sealing manner.

In another embodiment of the present utility model, as shown in fig. 2 to 4, the plurality of protrusions respectively include a first protrusion 16 and a second protrusion 17, the second protrusion 17 is disposed on one side of the first protrusion 16, i.e., on the upper left side as shown in the drawings, the first protrusion 16 is disposed opposite to the protrusion 15, and the second protrusion 17 is disposed opposite to the shoulder 14.

In another embodiment of the present utility model, as shown in fig. 2 to 4, the protrusion further includes a third protrusion 18 and a fourth protrusion 19, the fourth protrusion 19 is disposed on one side of the third protrusion 18, i.e., on the right side as shown in the drawings, and the third protrusion 18 and the fourth protrusion 19 are disposed opposite to the oil seal seat, respectively.

On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 2 and 3, a plurality of pressing bars are fixedly arranged on the keyboard, and when the keyboard rotates, the pressing bars are driven to rotate together, and the pressing bars are used for preventing sundries from being wound on the case 4.

In another embodiment of the present utility model, as shown in fig. 2 and 3, the oil seal member further includes a plurality of oil seals 8, and the plurality of oil seals 8 are disposed on the other side of the oil seal base, i.e., the right side as shown in the drawings. The plurality of oil seals 8, the dust-proof rings, the flower keyboard and the like form a plurality of seals, so that dust can be prevented from entering the box body 4 more effectively.

In another embodiment of the present utility model, as shown in fig. 2, the oil seal seat specifically includes a first oil seal seat 9 and a second oil seal seat 22, the first oil seal seat 9 and the second oil seal seat 22 have the same structure, and the first oil seal seat 9 and the second oil seal seat 22 are respectively disposed on the left and right sides of the case 4. The dust ring specifically comprises a first dust ring 10 and a second dust ring 13, the first dust ring 10 and the second dust ring 13 have the same structure, and the first dust ring 10 and the second dust ring 13 are respectively arranged at the left side and the right side of the box body 4.

In another embodiment of the present utility model, as shown in fig. 2, the spline plate specifically includes a first spline plate 11 and a second spline plate 21, and the first spline plate 11 and the second spline plate 21 have the same structure and are respectively disposed on the left and right sides of the case 4. The layering specifically comprises a first layering 12 and a second layering 20, wherein the first layering 12 is arranged on the first flower keyboard 11, and the second layering 20 is arranged on the second flower keyboard 21. It should be noted that, the matching and setting manners of the second oil seal seat 22, the second dust ring 13, and the second keypad 21 are consistent with the setting manners of the first oil seal seat 9, the first dust ring 10, and the first keypad 11, and will not be described herein.

The gearbox of this structure is through setting up first oil blanket seat 9, first dust ring 10 to and first keypad 11 in the left side of box 4, sets up second oil blanket seat 22, second dust ring 13, and second keypad 21 in the right side of box 4, and sets up a plurality of arch respectively on first dust ring 10 and second dust ring 13, makes its relative setting with corresponding oil blanket seat and spline dish become more inseparable, debris such as dust can't reenter box 4. Therefore, the sealing performance is better, the reliability is higher, and the service life is longer.

On the other hand, the utility model also provides a rotary cultivator, as shown in fig. 1, which comprises a frame 1, wherein a gearbox is arranged on the frame 1, and the gearbox is specifically the gearbox.

On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 1, the rotary cultivator further includes a suspension 7, a cutter roll shaft 2 and a middle plow 5, the suspension 7 is disposed at the top of the frame 1 and is used for being connected with power components such as a tractor, the middle plow 5 is disposed at the middle of the frame 1, that is, disposed at the front side of the gearbox, one end of the cutter roll shaft 2 is disposed on the frame 1, the other end is disposed in the gearbox, an oil seal 8, a first oil seal seat 9, a first dust ring 10, a second oil seal seat 22, a second dust ring 13 and the like are all disposed on the cutter roll shaft 2, and in addition, a plurality of groups of blades 3 are also disposed on the cutter roll shaft 2. The frame 1 is also provided with an input shaft 6 which plays a role in power input, and one end of the input shaft 6 is connected with a gearbox.

The rotary cultivator with the structure has the advantages of longer service life, lower use cost and the like correspondingly.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The gearbox is used for a rotary cultivator and is characterized by comprising a box body, wherein an oil seal piece, a dust proof piece and a flower keyboard are sequentially arranged on the box body;

the oil seal piece comprises an oil seal seat, one side of the oil seal seat is provided with a containing cavity, and the dustproof piece is arranged in the containing cavity;

the dustproof piece comprises a dustproof ring, a plurality of protrusions are arranged on the dustproof ring, and the protrusions are respectively arranged in a sealing and opposite mode with the oil seal seat and the spline disc.

2. The gearbox of claim 1, wherein the spline disc comprises a shaft shoulder, a protruding portion is arranged on the shaft shoulder, protrudes towards the accommodating cavity, and is arranged in a sealing opposite mode to the oil seal seat.

3. The gearbox of claim 2, wherein the projection comprises a first projection and a second projection, the second projection being disposed on a side of the first projection, the first projection being disposed opposite the projection, the second projection being disposed opposite the shoulder.

4. A gearbox according to claim 3, wherein the projection further comprises a third projection and a fourth projection, the fourth projection being provided on one side of the third projection, the third projection and the fourth projection being provided opposite the oil seal seat, respectively.

5. The gearbox of claim 4, wherein a plurality of pressing bars are fixedly arranged on the flower keyboard, the pressing bars are driven to rotate when the flower keyboard rotates, and the pressing bars are used for preventing sundries from being wound on the box body.

6. The transmission of claim 5, wherein the oil seal further comprises a plurality of oil seals disposed on the other side of the oil seal seat.

7. The gearbox of claim 6, wherein the oil seal seat comprises a first oil seal seat and a second oil seal seat, the first oil seal seat and the second oil seal seat have the same structure, and the first oil seal seat and the second oil seal seat are respectively arranged at two sides of the box body;

the dustproof ring comprises a first dustproof ring and a second dustproof ring, the first dustproof ring and the second dustproof ring are identical in structure, and the first dustproof ring and the second dustproof ring are respectively arranged on two sides of the box body.

8. The gearbox of claim 7, wherein the spline disc comprises a first spline disc and a second spline disc, the first spline disc and the second spline disc are identical in structure and are respectively arranged on two sides of the box body;

the layering includes first layering and second layering, first layering sets up on first flower keyboard, the second layering set up in on the second flower keyboard.

9. A rotary cultivator comprising a frame, wherein a gearbox is arranged on the frame, and the gearbox is the gearbox of any one of claims 1 to 8.

10. The rotary cultivator of claim 9, further comprising a suspension, a blade roll shaft and an intermediate plow, the suspension being disposed on the frame, the intermediate plow being disposed in a middle portion of the frame, one end of the blade roll shaft being disposed on the frame, the other end being disposed in the gearbox.