CN220891028U

CN220891028U - Agricultural machinery gearbox protection device

Info

Publication number: CN220891028U
Application number: CN202322705655.6U
Authority: CN
Inventors: 李和林; 张晓丽
Original assignee: Qingdao Chunshengxiang Industry And Trade Co ltd
Current assignee: Qingdao Chunshengxiang Industry And Trade Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-03
Anticipated expiration: 2033-10-10

Abstract

The utility model provides an agricultural machinery gearbox protection device which comprises a buffer protection seat and bottom protection frames, wherein the buffer protection seat is fixedly arranged at the bottom of a gearbox, a plurality of bottom protection frames are arranged below the buffer protection seat, and each bottom protection frame is slidably arranged together; the plurality of bottom protection frames are slidably arranged together, so that no obvious gap exists between the plurality of bottom protection frames, and therefore, in the process of protecting a gearbox, the bottom protection frames prevent external soil blocks or stones from entering the bottom protection frames to influence the normal operation of the bottom protection frames, the subsequent maintenance and repair times are greatly reduced.

Description

Agricultural machinery gearbox protection device

Technical Field

The utility model belongs to the technical field of gearbox protection, and particularly relates to an agricultural mechanical gearbox protection device.

Background

The agricultural speed changing box is mainly used for tractor, and the speed changing box used for tractor is formed from gear and shaft, and can be used for producing variable speed and variable torque by means of different gear combinations so as to change the driving force and running speed of tractor, and can make tractor implement forward or backward operation. Because the soil is uneven, the bottom of the agricultural gearbox body can be extremely worn seriously in the use process, so that a protection structure such as the high-strength wear-resistant agricultural gearbox body described in the Chinese patent document of publication No. CN216242156U is required to be installed at the bottom of the gearbox body, the gearbox shell is prevented from being contacted with ground foreign matters by arranging a plurality of special-shaped protection frames, but because each special-shaped protection frame is provided with a gap, soil blocks or stones can easily enter the special-shaped protection frame through the gap, the normal operation of the special-shaped protection frames can be seriously influenced, and in addition, because the pulleys on the special-shaped protection frames are installed on the protruding parts of the special-shaped protection frames and the pulleys are installed at the middle positions, when a soil pile is clamped in front of the pulleys, the pulleys cannot reach the sliding effect, and the whole arrangement is to be perfected.

Therefore, it is necessary to invent a protection device for a gearbox of an agricultural machine.

Disclosure of utility model

In order to solve the technical problems, the utility model provides an agricultural machinery gearbox protection device, which comprises a buffer protection seat and bottom protection frames, wherein the buffer protection seat is fixedly arranged at the bottom of a gearbox, a plurality of bottom protection frames are arranged below the buffer protection seat, and each bottom protection frame is slidably arranged together;

The buffer protection seat comprises a mounting substrate, a limiting buffer shell, a buffer support body, a buffer spring and a corrugated rubber plate, wherein the mounting substrate is fixedly arranged at the bottom of the gearbox, the limiting buffer shell is fixedly arranged below the mounting substrate, a plurality of bottom protection frames are slidably arranged in the limiting buffer shell, the corrugated rubber plate is correspondingly and fixedly arranged at two sides of the limiting buffer shell, and the corrugated rubber plate is fixedly connected with the bottom protection frames; a plurality of buffer supporting bodies are fixedly arranged on the limiting buffer shell, buffer springs are arranged outside the buffer supporting bodies, the mounting substrate is elastically connected with the bottom protection frame through the buffer springs, and the mounting substrate is fixedly connected with the buffer supporting bodies;

the bottom protection frame includes protection diaphragm, arc curb plate, fretwork region and gyro wheel, and protection diaphragm slidable mounting is in the mounting substrate, and protection diaphragm and buffering supporter are fixed to be linked to each other, and protection diaphragm is provided with two, two fixed mounting has two between the protection diaphragm the arc curb plate, the interval between the arc curb plate is fretwork region, and the fretwork region inboard is provided with a plurality of the gyro wheel, a plurality of the gyro wheel is circular array distribution setting, and the gyro wheel rotates to be installed two on the arc curb plate, wherein two one of them the bottom protection frame arc curb plate links to each other with ripple rubber slab is fixed.

Preferably, the limit buffer shell is a rectangular box, a buffer support body and a buffer spring are arranged on the inner side of the limit buffer shell, the buffer support body is composed of two buffer sleeves, the two buffer sleeves are sleeved together, and the two buffer sleeves are fixedly connected with the mounting substrate and the protection transverse plate respectively.

Preferably, the corrugated rubber plate is a semicircular rubber plate, and the corrugated rubber plate is used for packaging the arc-shaped side plate of the bottom protection frame.

Preferably, the protection cross plates of the bottom protection frames are provided with sliding blocks and sliding grooves, the sliding blocks and the sliding grooves of the protection cross plates are mutually and slidably arranged together, and the sliding blocks of the protection cross plates are slidably arranged together with the sliding grooves of the limiting buffer shells.

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

The plurality of bottom protection frames are slidably arranged together, so that no obvious gap exists between the plurality of bottom protection frames, and therefore, in the process of protecting a gearbox, the bottom protection frames prevent external soil blocks or stones from entering the inside of the bottom protection frames to influence the normal operation of the bottom protection frames, the subsequent maintenance and repair times are greatly reduced.

Drawings

Fig. 1 is a schematic view of the assembled structure of the present utility model.

Fig. 2 is a schematic view of the partial cross-sectional structure of fig. 1 according to the present utility model.

FIG. 3 is a schematic view of the bottom guard frame of FIG. 1 according to the present utility model.

In the figure:

the device comprises a buffer protection seat 1, a mounting substrate 11, a limiting buffer shell 12, a buffer support body 13, a buffer spring 14, a corrugated rubber plate 15, a bottom protection frame 2, a protection transverse plate 21, an arc-shaped side plate 22, a hollowed-out area 23 and a roller 24.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the description of the embodiments, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3:

The utility model provides an agricultural machinery gearbox protection device which comprises a buffer protection seat 1 and a bottom protection frame 2, wherein the buffer protection seat 1 is fixedly arranged at the bottom of a gearbox, a plurality of bottom protection frames 2 are arranged below the buffer protection seat 1, each bottom protection frame 2 is slidably arranged together, and the buffer protection seat 1 and the bottom protection frames 2 are used for protecting the gearbox and preventing foreign matters below from being worn or damaged to the gearbox.

The buffer protection seat 1 comprises a mounting substrate 11, a limiting buffer shell 12, a buffer support body 13, a buffer spring 14 and a corrugated rubber plate 15, wherein the mounting substrate 11 is fixedly arranged at the bottom of the gearbox, the limiting buffer shell 12 is fixedly arranged below the mounting substrate 11, a plurality of bottom protection frames 2 are slidably arranged in the limiting buffer shell 12, the corrugated rubber plate 15 is correspondingly and fixedly arranged at two sides of the limiting buffer shell 12, and the corrugated rubber plate 15 is fixedly connected with the bottom protection frames 2; a plurality of buffer supporting bodies 13 are fixedly mounted on the limiting buffer shell 12, buffer springs 14 are arranged outside the buffer supporting bodies 13, the mounting substrate 11 is elastically connected with the bottom protection frame 2 through the buffer springs 14, the mounting substrate 11 is fixedly connected with the buffer supporting bodies 13, and the buffer protection seat 1 is used for buffering impact force received by the bottom protection frame 2.

The bottom protection frame 2 includes protection diaphragm 21, arc curb plate 22, hollow area 23 and gyro wheel 24, and protection diaphragm 21 slidable mounting is in mounting substrate 11, and protection diaphragm 21 links to each other with buffering supporter 13 is fixed, and protection diaphragm 21 is provided with two, two fixed mounting has two between the protection diaphragm 21 arc curb plate 22, and the interval between the arc curb plate 22 is hollow area 23, and the hollow area 23 inboard is provided with a plurality of gyro wheel 24, and gyro wheel 24 rotates to be installed two on the arc curb plate 22, wherein two one of them of bottom protection frame 2 arc curb plate 22 links to each other with ripple rubber sheet 15 is fixed, and bottom protection frame 2 is used for blockking below foreign matter and gearbox contact.

Embodiment one:

Specifically, the limiting buffer shell 12 is a rectangular box, the buffer support body 13 and the buffer spring 14 are arranged on the inner side of the limiting buffer shell 12, the buffer support body 13 is composed of two buffer sleeves, the two buffer sleeves are sleeved together, the two buffer sleeves are fixedly connected with the mounting substrate 11 and the protection transverse plate 21 respectively, and the buffer support body 13 is used for increasing the buffer effect and simultaneously playing a guiding role.

Specifically, the corrugated rubber plate 15 is a semicircular rubber plate, the corrugated rubber plate 15 is used for packaging the arc-shaped side plate 22 of the bottom protection frame 2, and the corrugated rubber plate 15 prevents external soil blocks or stones from entering the limiting buffer shell 12 from two sides and the inner side of the limiting buffer shell 12.

Specifically, a plurality of the protection diaphragm plates 21 of the bottom protection frame 2 are provided with sliding blocks and sliding grooves, the sliding blocks and the sliding grooves of the protection diaphragm plates 21 are mutually and slidably arranged together, the sliding blocks of the two protection diaphragm plates 21 are slidably arranged together with the sliding grooves of the limiting buffer shell 12, and the distance between the protection diaphragm plates 21 is smaller than 1cm.

Embodiment two:

After the assembly of the protection device is completed, the mounting substrate 11 of the buffer protection seat 1 is fixedly arranged below the box body of the gearbox, when the protection device below the gearbox is contacted with foreign matters below, the bottom protection frame 2 contacted with the foreign matters is subjected to impact force or impact force, the bottom protection frame 2 moves upwards, the bottom protection frame 2 transmits the force to the buffer support body 13 and the buffer spring 14 of the buffer protection seat 1, the buffer support body 13 and the buffer spring 14 buffer the impact force or impact force, and secondly, when the gearbox is about to be contacted with irregular foreign matters, the roller 24 of the bottom protection frame 2 is preferentially contacted with the foreign matters, the roller 24 rolls after the contact, and meanwhile, the roller 24 is subjected to the impact force of the foreign matters, so that the protection transverse plate 21 and the arc-shaped side plate 22 are forced to move upwards, the foreign matters are prevented from being blocked around the arc-shaped side plate 22, and the foreign matters are smoothly buffered through the sliding property of the roller 24.

By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.

Claims

1. The agricultural machinery gearbox protection device is characterized by comprising a buffer protection seat (1) and bottom protection frames (2), wherein the buffer protection seat (1) is fixedly arranged at the bottom of a gearbox, a plurality of the bottom protection frames (2) are arranged below the buffer protection seat (1), and each bottom protection frame (2) is slidably arranged together;

The buffer protection seat (1) comprises a mounting substrate (11), a limiting buffer shell (12), a buffer support body (13), a buffer spring (14) and a corrugated rubber plate (15), wherein the mounting substrate (11) is fixedly arranged at the bottom of the gearbox, the limiting buffer shell (12) is fixedly arranged below the mounting substrate (11), a plurality of bottom protection frames (2) are slidably arranged in the limiting buffer shell (12), the corrugated rubber plate (15) is correspondingly and fixedly arranged at two sides of the limiting buffer shell (12), and the corrugated rubber plate (15) is fixedly connected with the bottom protection frames (2); a plurality of buffer supporting bodies (13) are fixedly arranged on the limiting buffer shell (12), buffer springs (14) are arranged outside the buffer supporting bodies (13), the mounting substrate (11) is elastically connected with the bottom protection frame (2) through the buffer springs (14), and the mounting substrate (11) is fixedly connected with the buffer supporting bodies (13);

The bottom protection frame (2) is including protection diaphragm (21), arc curb plate (22), fretwork area (23) and gyro wheel (24), and protection diaphragm (21) slidable mounting is in mounting substrate (11), and protection diaphragm (21) are fixed continuous with buffering supporter (13), and protection diaphragm (21) are provided with two, two fixed mounting has two between protection diaphragm (21) arc curb plate (22), the interval between arc curb plate (22) is fretwork area (23), fretwork area (23) inboard is provided with a plurality of gyro wheel (24), a plurality of gyro wheel (24) are circular array distribution setting, and gyro wheel (24) rotation is installed two on arc curb plate (22), wherein two one of them arc curb plate (22) of bottom protection frame (2) are fixed continuous with ripple rubber slab (15).

2. An agricultural mechanical gearbox protection device according to claim 1, wherein: the limiting buffer shell (12) is a rectangular box, a buffer support body (13) and a buffer spring (14) are arranged on the inner side of the limiting buffer shell (12), the buffer support body (13) is formed by two buffer sleeves, the two buffer sleeves are sleeved together, and the two buffer sleeves are fixedly connected with the mounting substrate (11) and the protection transverse plate (21) respectively.

3. An agricultural mechanical gearbox protection device according to claim 1, wherein: the corrugated rubber plate (15) is a semicircular rubber plate, and the corrugated rubber plate (15) is used for packaging an arc-shaped side plate (22) of the bottom protection frame (2).

4. An agricultural mechanical gearbox protection device according to claim 1, wherein: the protection transverse plates (21) of the bottom protection frames (2) are provided with sliding blocks and sliding grooves, the sliding blocks and the sliding grooves of the protection transverse plates (21) are mutually and slidably arranged together, and the sliding blocks of the two protection transverse plates (21) are slidably arranged together with the sliding grooves of the limiting buffer shell (12).