阅读说明：本技术 多功能农机底盘结构 (Multifunctional agricultural machinery chassis structure ) 是由 黄卓 王辉 于 2019-04-07 设计创作，主要内容包括：本发明公开了一种多功能农机底盘结构,包括底盘、齿轮箱、两组传动结构和两组车轮,齿轮箱设置在底盘上,两组传动结构与齿轮箱配合,传动结构包括一号空心壳体、一号传动轴、一号锥齿轮、二号锥齿轮、二号传动轴、空心套管、二号空心壳体、三号锥齿轮、四号锥齿轮和三号传动轴,两组车轮分别与两组传动结构对应相连,一号空心壳体与齿轮箱外壁固定连接,一号传送轴一端与齿轮箱内部结构传动连接,另一端与一号锥齿轮传动连接,一号锥齿轮与二号锥齿轮配合连接,空心套管套设在二号传动轴外,空心套管一端设置在一号空心壳体内,另一端延伸至一号空心壳体外并与二号空心壳体固定连接,空心套管位于述一号空心壳体内的一端端部与一号空心壳体之间设置有一号密封圈。(The invention discloses a multifunctional agricultural machinery chassis structure, which comprises a chassis, a gear box, two groups of transmission structures and two groups of wheels, wherein the gear box is arranged on the chassis, the two groups of transmission structures are matched with the gear box, each transmission structure comprises a first hollow shell, a first transmission shaft, a first bevel gear, a second transmission shaft, a hollow sleeve, a second hollow shell, a third bevel gear, a fourth bevel gear and a third transmission shaft, the two groups of wheels are respectively and correspondingly connected with the two groups of transmission structures, the first hollow shell is fixedly connected with the outer wall of the gear box, one end of a first transmission shaft is in transmission connection with the inner structure of the gear box, the other end of the first transmission shaft is in transmission connection with the first bevel gear, the first bevel gear is in matching connection with the second bevel gear, the hollow sleeve is sleeved outside the second transmission shaft, one end of the hollow sleeve is arranged in the first hollow shell, the other end, a first sealing ring is arranged between the end part of one end of the hollow sleeve, which is positioned in the first hollow shell, and the first hollow shell.)

1. A multifunctional agricultural machinery chassis structure comprises a chassis, a gear box, two groups of transmission structures and two groups of wheels, wherein the gear box is arranged on the chassis, the two groups of transmission structures are matched with the gear box, each transmission structure comprises a first hollow shell, a first transmission shaft, a first bevel gear, a second transmission shaft, a hollow sleeve, a second hollow shell, a third bevel gear, a fourth bevel gear and a third transmission shaft, the two groups of wheels are correspondingly connected with the two groups of transmission structures respectively, the multifunctional agricultural machinery chassis structure is characterized in that the first hollow shell is fixedly connected with the outer wall of the gear box, one end of a first transmission shaft is in transmission connection with the inner structure of the gear box, the other end of the first transmission shaft is in transmission connection with the first bevel gear, the first bevel gear is in matching connection with the second bevel gear, the hollow sleeve is sleeved outside the second transmission shaft, one end of the hollow sleeve is arranged in the first hollow shell, the, a first sealing ring is arranged between the end part of one end of the hollow sleeve, which is positioned in the first hollow shell, and the first hollow shell.

2. The multifunctional agricultural machinery chassis structure according to claim 1, wherein a second sealing ring is arranged between the hollow sleeve and the inner wall of the opening of the first hollow shell, and a cavity between the first sealing ring and the second sealing ring is divided into a first cavity and a second cavity.

3. The multifunctional agricultural machine chassis structure according to claim 2, wherein an oil through port communicated with the first cavity is formed in the first hollow shell.

4. The multifunctional agricultural machinery chassis structure according to claim 2, wherein the first hollow shell is provided with a pressure relief port communicated with the second cavity. .

5. The multifunctional agricultural machine chassis structure according to claim 1, wherein the lower end of the second transmission shaft extends out of the first hollow shell and penetrates into the second hollow shell.

6. The multifunctional agricultural machine chassis structure according to claim 1, wherein the third bevel gear, the fourth bevel gear and the third transmission shaft are all arranged in a second hollow shell.

7. The multifunctional agricultural machine chassis structure according to claim 1, wherein the third bevel gear is in transmission connection with the second rotating shaft, the fourth bevel gear is in fit connection with the third bevel gear, and the third bevel gear is in fit connection with a bearing arranged in the second hollow shell.

8. The multifunctional agricultural machine chassis structure according to claim 7, wherein one end of the third transmission shaft is in transmission connection with the fourth bevel gear, and the other end of the third transmission shaft extends out of the second hollow shell and is in transmission connection with the wheels.

9. The multifunctional agricultural machinery chassis structure according to claim 1, wherein an automatic oiling device is arranged on the second transmission shaft.

10. The multifunctional agricultural machinery chassis structure of claim 9, wherein the automatic oiling device comprises a rubber oil storage hollow round ball, a limiting block and an oiling pipe, the rubber oil storage hollow round ball and the limiting block are all fixedly arranged on the second transmission shaft, one end of the oiling pipe is communicated with the inside of the rubber oil storage hollow round ball, and the other end of the oiling pipe extends out of the first hollow shell after penetrating through the limiting block.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a multifunctional agricultural machinery chassis structure.

Background

Agricultural machinery is common equipment in the agricultural field, and comprises a spraying machine, a rice transplanter, a direct seeding machine and the like, and required chassis are different for different operation environments and mainly embodied on the height of the chassis, for example, when pesticide is sprayed, plants often have a certain height, and the chassis which is higher than the ground is required; when the rice seedlings are transplanted or sowed, the chassis is too high to facilitate the rice seedlings to be transplanted or sowed, and the chassis with lower ground is needed.

At present, although related structures of spraying pesticides and transplanting rice seedlings or direct seeding of common agricultural machinery can be replaced and assembled, the height of a chassis cannot be changed, so that farmers are generally required to be equipped with the agricultural machinery required in various periods under actual conditions, the input cost is high, meanwhile, only one agricultural machinery can be used in one period, other agricultural machinery can be left vacant, and the resource waste is serious.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multifunctional agricultural machine chassis structure.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional agricultural machinery chassis structure comprises a chassis, a gear box, two groups of transmission structures and two groups of wheels, wherein the gear box is arranged on the chassis, the two groups of transmission structures are matched with the gear box, each transmission structure comprises a first hollow shell, a first transmission shaft, a first bevel gear, a second transmission shaft, a hollow sleeve, a second hollow shell, a third bevel gear, a fourth bevel gear and a third transmission shaft, the two groups of wheels are correspondingly connected with the two groups of transmission structures respectively, the first hollow shell is fixedly connected with the outer wall of the gear box, one end of the first transmission shaft is in transmission connection with the inner structure of the gear box, the other end of the first transmission shaft is in transmission connection with the first bevel gear, the first bevel gear is in matching connection with the second bevel gear, the hollow sleeve is sleeved outside the second transmission shaft, one end of the hollow sleeve is arranged in the first hollow shell, and the other end of the, a first sealing ring is arranged between the end part of one end of the hollow sleeve, which is positioned in the first hollow shell, and the first hollow shell.

Preferably, a second sealing ring is arranged between the hollow sleeve and the inner wall of the opening of the first hollow shell, and a cavity between the first sealing ring and the second sealing ring is divided into a first cavity and a second cavity.

Preferably, an oil through opening communicated with the first cavity is formed in the first hollow shell.

Preferably, a pressure relief opening communicated with the second cavity is formed in the first hollow shell. .

Preferably, the lower end of the second transmission shaft extends out of the first hollow shell and penetrates into the second hollow shell.

Preferably, the third bevel gear, the fourth bevel gear and the third transmission shaft are all arranged in the second hollow shell.

Preferably, No. three bevel gears are in transmission connection with No. two rotating shafts, No. four bevel gears are in fit connection with No. three bevel gears, and No. three transmission shafts are in fit connection with bearings arranged in No. two hollow shells.

Preferably, one end of the third transmission shaft is in transmission connection with the fourth bevel gear, and the other end of the third transmission shaft extends out of the second hollow shell and is in transmission connection with the wheels.

Preferably, an automatic oil injection device is arranged on the second transmission shaft.

Preferably, automatic oiling device includes rubber oil storage hollow ball, stopper and notes oil pipe, rubber oil storage hollow ball with the stopper is all fixed to be set up No. two transmission shafts are last, the inside intercommunication of notes oil pipe one end and rubber oil storage hollow ball, and the other end passes extend to behind the stopper No. one the hollow shell is external.

(III) advantageous effects

The invention provides a multifunctional agricultural machine chassis structure, which can change the height of a chassis according to needs, provides the premise of integrating various agricultural machines together, and achieves the effects of reducing the input cost and saving resources.

drawings

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

Fig. 2 is an enlarged schematic view of fig. 1 at D.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a liftable multifunctional agricultural machinery chassis structure comprises a chassis, a gear box 1 arranged on the chassis, two sets of transmission structures matched and connected with the gear box 1, and wheels 2 respectively connected with the corresponding transmission structures, wherein each transmission structure comprises a first hollow shell 31, a first transmission shaft 32, a first bevel gear 33, a second bevel gear 34, a second transmission shaft 35, a hollow sleeve 36, a second hollow shell 37, a third bevel gear 38, a fourth bevel gear 39 and a third transmission shaft 310, the first hollow shell 31 is fixedly connected with the outer wall of the gear box 1, the first transmission shaft 32, the first bevel gear 33, the second bevel gear 34 and the second transmission shaft 35 are all arranged in the first hollow shell 31, one end of the first transmission shaft 32 is in transmission connection with the internal structure of the gear box 1, the other end of the bevel gear is in transmission connection with the first bevel gear 33, the first bevel gear 33 is in fit connection with the second bevel gear 34, a spline is arranged on the second transmission shaft 35, the second bevel gear 34 is in fit connection with the spline, the spline is arranged on the second transmission shaft in a manner that the second bevel gear can slide up and down on the second transmission shaft, and the second bevel gear can drive the second transmission shaft to rotate no matter which position the second bevel gear slides to.

The hollow sleeve 36 is sleeved outside the second transmission shaft 35, one end of the hollow sleeve 36 is arranged in the first hollow shell 31, the other end of the hollow sleeve 36 extends out of the first hollow shell 31 and is fixedly connected with the second hollow shell 37, a first sealing ring 41 is arranged between the end part of the hollow sleeve 36 positioned in the first hollow shell 31 and the first hollow shell 31, a second sealing ring 42 is arranged between the hollow sleeve 36 and the inner wall of the opening of the first hollow shell 31, a convex ring 361 is arranged on the hollow sleeve 36, a third sealing ring 43 is arranged between the convex ring 361 and the first hollow shell 31, and the convex ring 361 divides the cavity positioned between the first sealing ring 41 and the second sealing ring 42 into a first cavity 51 and a second cavity 52, an oil through hole 53 communicated with the first cavity 51 and a pressure relief hole 54 communicated with the second cavity 52 are respectively formed in the first hollow shell 31, the lower end of the second transmission shaft 35 extends out of the first hollow shell 31 and penetrates into the second hollow shell 37, the third bevel gear 38, the fourth bevel gear 39 and the third transmission shaft 310 are all arranged in the second hollow shell 37, the third bevel gear 38 is in transmission connection with the second rotating shaft 35, the fourth bevel gear 39 is in matching connection with the third bevel gear 38, the third transmission shaft 310 is in matching connection with a bearing arranged in the second hollow shell 37, one end of the third transmission shaft 310 is in transmission connection with the fourth bevel gear 39, and the other end of the third transmission shaft extends out of the second hollow shell 37 and is in transmission connection with the wheel 2.

Because of No. three transmission shaft and bearing cooperation for No. two hollow casings and hollow sleeve pipe can be supported by No. three transmission shafts, do not influence No. three transmission shafts again and with power transmission to the wheel.

The second transmission shaft 35 is provided with an automatic oiling device, the automatic oiling device comprises a rubber oil storage hollow round ball 61, a limiting block 62 and an oiling pipe 63, the rubber oil storage hollow round ball 61 and the limiting block 62 are fixedly arranged on the second transmission shaft 35, lubricating oil is arranged in the rubber oil storage hollow round ball 61, the limiting block 62 limits the rubber oil storage hollow round ball 61, one end of the oiling pipe 63 is communicated with the inside of the rubber oil storage hollow round ball 61, the other end of the oiling pipe penetrates through the limiting block 62 and extends out of the first hollow shell 31, meanwhile, the first hollow shell 31 is further provided with a through hole 631 allowing the oiling pipe 63 to move, the rubber oil storage hollow round ball 61 is provided with an oil outlet hole 7, the diameter of the oil outlet hole is 1MM, and the rubber oil storage hollow round ball is guaranteed not to be extruded, lubricating oil can not follow the downthehole outflow of producing oil, and only when receiving the extrusion, lubricating oil just can follow the downthehole outflow of producing oil, and lubricating oil adds in through oiling pipe toward rubber oil storage hollow ball.

A bearing is arranged between the upper end of the second transmission shaft and the first hollow shell, and a bearing is arranged between the lower end of the second transmission shaft and the second hollow shell.

Bearings are arranged between the first bevel gear and the second bevel gear and between the first hollow shell, and bearings are arranged between the third bevel gear and the fourth bevel gear and between the second hollow shell.

A flange 8 is arranged on the inner wall of the first hollow shell 31, and the first sealing ring 41 is matched and abutted against the flange 8.

Wherein, No. one sealing washer, No. two sealing washers and No. three sealing washers are sliding oil blanket.

When the agricultural machinery moves, the first transmission shaft is driven to rotate through the gear box, and then power is transmitted to the wheel through the first bevel gear, the second transmission shaft, the third bevel gear, the fourth bevel gear and the third transmission shaft in sequence, so that the wheel rotates to drive the agricultural machinery to move forward.

The lifting mode of the gear box is as follows: when the height of the chassis needs to be changed, a pump arranged on the chassis sends oil in an oil tank arranged on the chassis to a valve, and the valve is adjusted to supply the oil into the first cavity or pump the oil out of the first cavity, wherein when the valve is adjusted to a pressurization state, the oil is stably supplied into the first cavity; when the valve is adjusted to a pressure relief state, oil is pumped out of the first cavity; when the valve is adjusted to a pressure stabilizing state, the position of the chassis is stabilized.

When the chassis height needs to be lifted, oil is gradually fed into the first cavity, the hollow sleeve is fixedly connected with the second hollow shell and then supported by the third transmission shaft to be kept still, the first hollow shell is forced to lift upwards, the gear box, the chassis, the first transmission shaft, the first bevel gear and the second bevel gear are driven to lift upwards, after the chassis is lifted, the valve is adjusted to a pressure stabilizing state, the height of the chassis is stabilized, meanwhile, after the chassis is lifted, the related transmission structure still can transmit power to wheels, and therefore corresponding operation can be conducted after the related structure is installed on the machine body.

When the chassis height needs to be reduced, the oil is pumped out from the cavity I by adjusting the valve to a pressure relief state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.