阅读说明：本技术 一种双层罩壳的农业机具 (Agricultural machine with double-layer housing ) 是由 张计龙 于 2019-11-25 设计创作，主要内容包括：本发明提供了一种双层罩壳的农业机具,包括机架总成、上悬挂架、下悬挂架、旋耕系统,机架总成的中间安装有变速箱；所述机架总成上设有上层罩壳、下层罩壳,所述下层罩壳设置在所述上层罩壳下方,包括中间固定罩壳、前调整罩壳、后调整罩壳,中间固定罩壳的前后两端设有长槽孔,所述前调整罩壳、后调整罩壳通过穿设在所述长槽孔内的螺栓与所述中间固定罩壳固定连接。本发明在刀轴和机架之间设置双层可调罩壳,通过调节下层罩壳与旋耕弯刀之间的距离和弧长,可以实现在耕作中对不同农作物和土壤进行作业效果的调整,使耕作后的土壤达到不同的农作物播种种床的要求,本发明对不同的农作物和土壤的适应性强。(The invention provides an agricultural machine with double-layer housings, which comprises a rack assembly, an upper suspension frame, a lower suspension frame and a rotary tillage system, wherein a gearbox is arranged in the middle of the rack assembly; the frame assembly is provided with an upper layer housing and a lower layer housing, the lower layer housing is arranged below the upper layer housing and comprises a middle fixed housing, a front adjusting housing and a rear adjusting housing, the front end and the rear end of the middle fixed housing are provided with slotted holes, and the front adjusting housing and the rear adjusting housing are fixedly connected with the middle fixed housing through bolts penetrating through the slotted holes. The double-layer adjustable housing is arranged between the cutter shaft and the frame, and the adjustment of the operation effect on different crops and soil in cultivation can be realized by adjusting the distance and the arc length between the lower housing and the rotary tillage bent blade, so that the cultivated soil meets the requirements of different crop seeding beds.)

1. An agricultural machine with double-layer housing comprises a frame assembly, an upper suspension frame, a lower suspension frame and a rotary tillage system, wherein a gearbox is arranged in the middle of the frame assembly, the upper suspension frame and the lower suspension frame are arranged above the frame assembly and are fixedly connected with the frame assembly to form a three-point suspension frame, and the three-point suspension frame is hung on a tractor during operation; the rotary tillage system comprises a rotary tillage bent blade shaft and a rotary tillage bent blade; the output shaft of the gearbox extends out of the gearbox and is in transmission connection with the rotary tillage bent blade shaft through an intermediate gearbox, the rotary tillage bent blade arranged on the rotary tillage bent blade shaft is used for operation, and the other end of the rotary tillage bent blade shaft is fixed on the rack assembly through a bearing;

the gearbox is characterized in that an upper housing and a lower housing are arranged on the frame assembly, the upper housing comprises two circular arc-shaped plates which are positioned on two sides of the gearbox and fixedly connected with the frame assembly, the lower housing is arranged below the upper housing and comprises a middle fixed housing, a front adjusting housing and a rear adjusting housing, long slotted holes are formed in the front end and the rear end of the middle fixed housing, bolts in the long slotted holes penetrate through the front adjusting housing and the rear adjusting housing and fixedly connected with the middle fixed housing, two first mounting plates are arranged on the middle fixed housing in parallel, a second mounting plate is arranged on the frame assembly, one of the first mounting plate and the second mounting plate are fixedly connected through bolts, and the other first mounting plate and the frame assembly are fixedly connected through bolts.

2. A double-decked agricultural implement according to claim 1, wherein the maximum distance from the front adjustment housing to the rotary tillage blade is 30 mm.

3. A double-decked housing agricultural implement as claimed in claim 1, wherein the maximum distance from the rear adjustment housing to the rotary tillage blade is 15 mm.

4. The double-decked agricultural implement of claim 1, wherein the front adjustment housing, the rear adjustment housing and the middle fixed housing are two pieces each and symmetrically disposed on left and right sides of the middle gear box.

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to an agricultural machine with a double-layer housing.

Background

A large amount of straw stubbles can be generated after crops are harvested, the straws are directly smashed and returned to the field by a straw returning machine and then sprayed in the field by the existing agricultural machinery, the straw returning machine can only smash partial straws on the ground, the underground stubbles left by the crops cannot be treated, and only the stubble cleaning machine can be used for performing the stubble cleaning treatment; two machines (straw returning machine and stubble cleaner) are needed, and the treatment of the straws and the stubbles can be completed only by two ground-entering operations; to meet the requirement of a seeding bed by adding soil once again, the Chinese patent with the application number of CN201620491780.9 provides a stubble-cleaning rotary tillage soil preparation machine which comprises a frame assembly, a suspension bracket, a transmission shaft, a stubble-cleaning system, a rotary tillage system and a leveling system, can return stubbles to the field and simultaneously carry out rotary tillage soil preparation, simultaneously carries out straw returning and rotary tillage soil preparation, saves time, improves efficiency, simultaneously can protect the environment and is beneficial to the sprouting growth of crops, and the stubble-cleaning rotary tillage soil preparation machine is a soil preparation machine with double cutter shafts and is provided with a stubble-cleaning rotary tillage system.

However, the stubble-cleaning rotary tillage soil preparation machine cannot effectively cut up the stubble according to the specific lengths of the straws and the stubble in the using process, so that the effect of cutting up the stubble is not ideal, and the requirements of different seeding beds cannot be met.

Disclosure of Invention

Aiming at the technical defects, the invention aims to provide an agricultural machine with a double-layer housing, wherein the double-layer adjustable housing is arranged between a cutter shaft and a rack, the harrowing of different agricultural seeding beds can be completed after one-time operation of a rotary tillage system by adjusting the distance and the arc length between a lower housing and a rotary tillage bent blade, and the adaptability is strong.

In order to solve the technical problems, the invention adopts the following technical scheme:

an agricultural machine with double-layer housing comprises a frame assembly, an upper suspension frame, a lower suspension frame and a rotary tillage system, wherein a gearbox is arranged in the middle of the frame assembly, the upper suspension frame and the lower suspension frame are arranged above the frame assembly and are fixedly connected with the frame assembly to form a three-point suspension frame, and the three-point suspension frame is hung on a tractor during operation; the rotary tillage system comprises a rotary tillage bent blade shaft and a rotary tillage bent blade; the output shaft of the gearbox extends out of the gearbox and is in transmission connection with the rotary tillage bent blade shaft through an intermediate gearbox, the rotary tillage bent blade arranged on the rotary tillage bent blade shaft is used for operation, and the other end of the rotary tillage bent blade shaft is fixed on the rack assembly through a bearing;

the upper layer housing comprises two arc-shaped plates which are positioned at two sides of the gearbox and fixedly connected with the rack assembly, the lower layer housing is arranged below the upper layer housing and comprises a middle fixed housing, a front adjusting housing and a rear adjusting housing, the front end and the rear end of the middle fixed housing are provided with slotted holes, the front adjusting housing and the rear adjusting housing are fixedly connected with the middle fixed housing through bolts penetrating in the slotted holes, and the positions of the front adjusting housing and the rear adjusting housing on the middle fixed housing and the arc length wrapped on the radius of the cutter shaft can be adjusted through the slotted holes and the bolts; two first mounting plates are arranged on the middle fixed housing in parallel, a second mounting plate is arranged on the rack assembly, one of the first mounting plates is fixedly connected with the second mounting plate through a bolt, and the other one of the first mounting plates is fixedly connected with the rack assembly through a bolt.

Preferably, the maximum distance from the front adjusting housing to the rotary tillage curved blade is 30 mm.

Preferably, the maximum distance from the rear adjusting housing to the rotary tillage curved blade is 15 mm.

Preferably, the front adjusting cover, the rear adjusting cover and the middle fixing cover also comprise a left circular arc plate and a right circular arc plate.

The invention has the beneficial effects that: the double-layer adjustable housing is arranged between the cutter shaft and the frame, and the adjustment of the operation effect on different crops and soil in cultivation can be realized by adjusting the distance and the arc length between the lower housing and the rotary tillage bent blade, so that the cultivated soil meets the requirements of different crop seeding beds.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view (a transparent shell is illustrated) of a double-layer-cover agricultural implement according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the upper and lower layer housings.

Description of reference numerals:

1-a frame assembly, 2-a three-point suspension bracket, 3-a rotary tillage system, 4-a gearbox, 5-an upper housing, 6-a lower housing, 31-a rotary tillage bent blade shaft, 32-a rotary tillage bent blade, 61-a middle fixed housing, 62-a front adjusting housing, 63-a rear adjusting housing, 64-a bolt, 65-a first mounting plate and 66-a second mounting plate.

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, an agricultural machine with double-layer housing comprises a frame assembly 1, an upper suspension bracket, a lower suspension bracket and a rotary tillage system 3, wherein a gearbox 4 is installed in the middle of the frame assembly 1, the upper suspension bracket and the lower suspension bracket are arranged above the frame assembly 1 and fixedly connected with the frame assembly 1 to form a three-point suspension bracket 2, and the three-point suspension bracket 2 is hung on a tractor during operation; the rotary tillage system 3 comprises a rotary tillage bent blade shaft 31 and a rotary tillage bent blade 32; the output shaft of the gearbox 4 extends out of the box body and is in transmission connection with a rotary blade shaft 31 through an intermediate gearbox, the rotary blade bent 32 arranged on the rotary blade shaft 31 is used for operation, and the other end of the rotary blade shaft 31 is fixed on the frame assembly 1 through a bearing;

referring to fig. 2, an upper housing 5 and a lower housing 6 are arranged on a frame assembly 1, the upper housing 5 comprises two arc plates 5 which are positioned at two sides of a gearbox 4 and fixedly connected with the frame assembly, the lower housing 6 is arranged below the upper housing 5 and comprises a middle fixed housing 61, a front adjusting housing 62 and a rear adjusting housing 63, the front end and the rear end of the middle fixed housing 61 are provided with slotted holes, the front adjusting housing 62 and the rear adjusting housing 63 are fixedly connected with the middle fixed housing 61 through bolts 64 penetrating into the slotted holes, the positions of the front adjusting housing 62 and the rear adjusting housing 63 on the middle fixed housing 61 and the arc length wrapped on the radius of a rotary tillage cutter shaft 32 can be adjusted through the slotted holes and the bolts to realize the crushing of straws or stubbles with different lengths, two first mounting plates 65 are arranged on the middle fixed housing 61 in parallel, a second mounting plate 66 is arranged on the frame assembly 1, one of the first mounting plates 65 is fixedly connected with the second mounting plate 66 through a bolt, and the other first mounting plate 65 is fixedly connected with the rack assembly 1 through a bolt.

Further, the maximum distance from the front adjusting housing 62 to the rotary tillage curved blade 32 is 30mm, and the maximum distance from the rear adjusting housing 63 to the rotary tillage curved blade 32 is 15mm, and in the actual use process, the maximum distance from the front adjusting housing 62 to the rotary tillage curved blade 32 is 30mm, and the maximum distance from the rear adjusting housing 63 to the rotary tillage curved blade 32 is 15mm, so that a better crushing effect can be achieved.

Furthermore, the front adjusting cover 62, the rear adjusting cover 63 and the middle fixing cover 61 also comprise a left arc-shaped plate and a right arc-shaped plate which are arranged at the two sides of the middle gear box, and because the existing rotary tillage system mostly adopts a mode of two half shafts, the upper layer cover and the lower layer cover of the invention both adopt a left mode and a right mode, and the installed lower layer cover can just cover the two half shafts of the existing rotary tillage system.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.