阅读说明：本技术 一种大型折叠秸秆还田机 (Large-scale folding straw returning machine ) 是由 殷宏成 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种大型折叠秸秆还田机,包括传动机构、机壳、机架部分和组合刀片部,机壳固定在机架部分上,组合刀片部设置在机架部分上并与机架部分之间转动设置,传动机构与组合刀片部传动连接,传动机构固定在机架上,机架部分包括前悬挂架、翻转油缸和液压机构,液压机构包括液压阀、液压锁和流量控制阀,前悬挂架的两侧对称铰接设置有机架,翻转油缸固定连接在机架上,翻转油缸的伸缩杆与机架铰接,液压阀安装在前悬挂架的上端部,液压锁安装在翻转油缸上端部,液压锁与液压阀进行连接,流量控制阀安装在液压锁前端部；刀片部包括动刀架和组合刀片。本发明的优点：通过折叠机构实现适用于大宽幅作业,并且采用组合刀片使得粉碎效果好。(The invention discloses a large-scale folding straw returning machine, which comprises a transmission mechanism, a machine shell, a rack part and a combined blade part, wherein the machine shell is fixed on the rack part, the combined blade part is arranged on the rack part and is rotationally arranged between the combined blade part and the rack part, the transmission mechanism is in transmission connection with the combined blade part, the transmission mechanism is fixed on the rack, the rack part comprises a front suspension bracket, a turnover oil cylinder and a hydraulic mechanism, the hydraulic mechanism comprises a hydraulic valve, a hydraulic lock and a flow control valve, the two sides of the front suspension bracket are symmetrically hinged with the rack, the turnover oil cylinder is fixedly connected to the rack, a telescopic rod of the turnover oil cylinder is hinged with the rack, the hydraulic valve is arranged at the upper end part of the front suspension bracket, the hydraulic lock is arranged at the upper end part of the turnover oil cylinder, the; the blade part comprises a movable knife rest and a combined blade. The invention has the advantages that: the folding mechanism is suitable for large-width operation, and the combined blade is adopted to ensure good crushing effect.)

1. A large-scale folding straw returning machine is characterized in that: including drive mechanism (1), casing (2), frame part (5) and combination blade portion (6), casing (2) are fixed on frame part (5), combination blade portion (6) set up on frame part (5) and with frame part (5) between rotate the setting, drive mechanism (1) is connected with combination blade portion (6) transmission, drive mechanism (1) is fixed in the frame, frame part (5) include front suspension hanger (51), upset hydro-cylinder (52) and hydraulic pressure mechanism (53), hydraulic pressure mechanism (53) include hydrovalve (531), hydraulic pressure lock (532) and flow control valve (533), the bilateral symmetry of front suspension hanger (51) articulates and is provided with frame (54), upset hydro-cylinder (52) fixed connection is on frame (54), the telescopic link of upset hydro-cylinder (52) is articulated with frame (54), the hydraulic valve (531) is mounted at the upper end of the front suspension frame (51), the hydraulic lock (532) is mounted at the upper end of the turnover oil cylinder (52), the hydraulic lock (532) is connected with the hydraulic valve (531), and the flow control valve (533) is mounted at the front end of the hydraulic lock (532); the blade part (6) comprises a movable knife rest (61) and a combined blade (62), the combined blade (62) is fixed on the movable knife rest (61), and the combined blade (62) is provided with at least two blades and connected together through a connecting shaft.

2. The large-scale folding straw returning machine according to claim 1, characterized in that: combination blade (62) include first blade (621), second blade (622) and connecting axle (623) first blade (621) symmetry is installed at the both ends of second blade (622), first pilot hole (624) have been seted up to first blade (621) upper end, second pilot hole (625) have been seted up to second blade (622) upper end, first pilot hole (624) and second pilot hole (625) are run through to connecting axle (623), first blade (621), second blade (622) are connected through connecting axle (623).

3. The large-scale folding straw returning machine according to claim 1, characterized in that: the upper end of the front suspension frame (51) is symmetrically hinged with a latch (535) and a latch oil cylinder (534), a telescopic rod of the latch oil cylinder (534) is hinged with one side of the free end of the latch (535), a groove (536) is formed in the other side of the free end of the latch (535), and the opening of the groove (536) faces downwards.

4. The large-scale folding straw returning machine according to claim 3, characterized in that: the lock catch oil cylinder (534) is connected with the hydraulic valve (531).

5. The large-scale folding straw returning machine according to claim 4, characterized in that: still be provided with hasp axle (537) on frame (54), hasp axle (537) and slot (536) phase-match.

6. The large-scale folding straw returning machine according to claim 1, characterized in that: both sides of the first blade (621) are provided with cutting edges.

7. The large-scale folding straw returning machine according to claim 1, characterized in that: the machine shell (2) is provided with a walking wheel (4) on one side of the transmission mechanism (1), and the walking wheel (4) is connected with the rack part (5) through a roller carrier.

8. The large-scale folding straw returning machine according to claim 1, characterized in that: the roller (3) is arranged on the other side, located on the transmission mechanism (1), of the rack part (5), and the roller (3) is rotatably connected with the rack part (5) through a rotating shaft.

Technical Field

The invention relates to the field of agricultural equipment, in particular to a large-scale folding straw returning machine.

Background

At present, due to the pollution to the environment caused by straw burning and the consideration of the aspects of the straw returning to the field, such as soil fertility, benefit for crop growth and the like, the straw returning to the field becomes the development trend of agricultural cultivation in the future, straw returning machines of different types and structures are produced at the same time, the development history of the straw returning to the field is not long, and further improvement is needed in many aspects.

Returning the straws to the field is one of the important measures for popularizing energy-saving agriculture in China at present, saving a large amount of labor for clearing and transporting the straws by people, saving labor force, increasing organic matters of soil, greatly improving grain yield, and being beneficial to saving energy, fertilizing soil, reducing pollution and the like. Therefore, the quality of the straw crushing and returning to the field becomes a main problem, and besides the power matched with the returning machine, most returning machines directly influence the straw crushing degree of the returning machine or the working efficiency of the returning machine due to unreasonable blade design.

Disclosure of Invention

The invention aims to solve the technical problem of providing a large-scale folding straw returning machine which is suitable for large-width operation and has good crushing effect.

In order to solve the technical problems, the technical scheme of the invention is as follows: a large-scale folding straw returning machine, which comprises a transmission mechanism, a machine shell, a machine frame part and a combined blade part, the machine shell is fixed on the frame part, the combined blade part is arranged on the frame part and is rotatably arranged with the frame part, the transmission mechanism is in transmission connection with the combined blade part, the transmission mechanism is fixed on the frame, the frame part comprises a front suspension bracket, a turnover oil cylinder and a hydraulic mechanism, the hydraulic mechanism comprises a hydraulic valve, a hydraulic lock and a flow control valve, the two sides of the front suspension frame are symmetrically hinged with a frame, the turnover oil cylinder is fixedly connected to the frame, a telescopic rod of the turnover oil cylinder is hinged with the frame, the hydraulic valve is arranged at the upper end part of the front suspension bracket, the hydraulic lock is arranged at the upper end part of the turnover oil cylinder, the hydraulic lock is connected with the hydraulic valve, and the flow control valve is arranged at the front end part of the hydraulic lock; the utility model discloses a cutter blade, including blade portion, blade portion includes and moves knife rest and composite blade, composite blade fixes on moving the knife rest, composite blade includes first blade, second blade and connecting axle first blade symmetry is installed at the both ends of second blade, first pilot hole has been seted up to first blade upper end, the second pilot hole has been seted up to second blade upper end, the connecting axle runs through first pilot hole and second pilot hole, first blade, second blade are connected through the connecting axle.

Furthermore, the upper end of the front suspension rack is symmetrically hinged with a lock catch and a lock catch oil cylinder, a telescopic rod of the lock catch oil cylinder is hinged with one side of a free end of the lock catch, a groove is formed in the other side of the free end of the lock catch, and the opening of the groove faces downwards.

Furthermore, the lock catch oil cylinder is connected with the hydraulic valve.

Furthermore, a lock shaft is further arranged on the machine frame and matched with the groove.

Furthermore, both sides of the first blade are provided with cutting edges.

Furthermore, a travelling wheel is arranged on one side of the casing, which is positioned on the transmission mechanism, and the travelling wheel is connected with the frame part through a roller carrier.

Furthermore, a roller is arranged on the other side of the rack part, which is positioned on the transmission mechanism, and the roller is rotatably connected with the rack part through a rotating shaft.

By adopting the technical scheme, the frame is arranged in a mode of symmetrically folding two sides, the flow control valve is installed to control the action of the turnover oil cylinder for protection, and meanwhile, the lock shaft is matched with the groove for use, and the lock is clamped into the lock shaft, so that the locking purpose is realized; in addition, the matching type assembly of the first blade and the second blade fills up the problem of insufficient coverage of a single blade, the air volume of the cutter shaft can be increased and the secondary crushing rate can be improved during use, and the first blade adopts a double-cutting-edge design, so that the crushing effect can be effectively enhanced.

Drawings

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

FIG. 2 is a northwest isometric view of a frame portion of the present invention;

FIG. 3 is a southeast isometric view of a frame portion of the present invention;

FIG. 4 is a schematic view of a composite blade according to the present invention;

fig. 5 is a schematic view of an installation structure of the composite blade part in the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-5, the present embodiment discloses a large-scale folding straw returning machine, which comprises a transmission mechanism 1, a housing 2, a frame part 5 and a combined blade part 6, wherein the housing 2 is fixed on the frame part 5, the combined blade part 6 is arranged on the frame part 5 and is rotatably arranged with the frame part 5, the transmission mechanism 1 is in transmission connection with the combined blade part 6, the transmission mechanism 1 is fixed on the frame, the frame part 5 comprises a front suspension rack 51, a turnover cylinder 52 and a hydraulic mechanism 53, the hydraulic mechanism 53 comprises a hydraulic valve 531, a hydraulic lock 532 and a flow control valve 533, the two sides of the front suspension rack 51 are symmetrically hinged with the frame 54, the turnover cylinder 52 is fixedly connected on the frame 54, the telescopic rod of the turnover cylinder 52 is hinged with the frame 54, the hydraulic valve 531 is arranged at the upper end of the front suspension rack 51, the hydraulic lock 532 is arranged at the upper end of the turnover cylinder, the hydraulic lock 532 is connected to a hydraulic valve 531, and a flow control valve 533 is installed at a front end portion of the hydraulic lock 532. The turnover cylinder 1 is used for turning over the machine frame 54 on the two sides. And the control of the movement speed by controlling the action of the turnover oil cylinder can be realized through the arrangement of the flow control valve 533.

Feasible, drive mechanism 1 can adopt following transmission mode to transmit, is connected with the power supply transmission through the PTO transmission shaft, utilizes the PTO transmission shaft to drive the gear box, then transmits power to both sides through the gear box, transmits through long transmission shaft, and the transmission shaft passes through belt and belt pulley and is connected with the arbor transmission, finally realizes transmitting power to the arbor above, feasible, and the power supply can be provided by the output power axle of tractor.

The upper end of the front suspension frame 51 is symmetrically hinged with a latch 535 and a latch cylinder 534, the telescopic rod of the latch cylinder 534 is hinged with one side of the free end of the latch 535, the other side of the free end of the latch 535 is provided with a groove 536, the opening of the groove 536 faces downwards, and the latch cylinder 534 is connected with a hydraulic valve 531. The latch cylinder 534 can control the movement of the latch 535. The latch 535 is mounted to ensure that the housing 54 is locked in a vertical position by mechanical means.

In addition, frame 54 is last still to be provided with hasp axle 537, and hasp axle 537 and slot 536 phase-match, and both cooperate the use, through with hasp 535 block in hasp axle 537, realize the locking purpose.

Feasible, the working principle that the whole frame is folded is as follows: when the lock catch shaft 537 is unlocked, hydraulic oil is input to the hydraulic lock 532 from the power unit through the hydraulic valve, the hydraulic lock 532 is unlocked, the hydraulic oil enters the rodless cavity of the turnover oil cylinder 52, the folding action starts, the hydraulic oil in the rodless cavity of the turnover oil cylinder 52 is discharged and flows back to the power unit through the hydraulic lock 532, and meanwhile, the lock catch oil cylinder 534 ejects the hydraulic oil in the rod cavity of the lock catch oil cylinder 534 due to the spring force action of the rodless cavity and flows back to the power unit together with the hydraulic oil discharged by the turnover oil cylinder 52. When the lock shaft 537 contacts the lock 535, the lock cylinder 534 is pushed open by the power provided by the lock cylinder 534, so that the lock shaft 537 enters the lock groove, and the mechanism is converted from the horizontal position to the vertical position.

When the lock catch cylinder 534 is in a vertical state, the lock catch shaft 537 is locked, hydraulic oil is input to a rod cavity of the lock catch cylinder 534 and a rodless cavity of the turnover cylinder 52 through a hydraulic valve by a power unit, and because the hydraulic oil in the rod cavity of the turnover cylinder 52 needs to be returned through the flow control valve 533, a certain back pressure is realized through the adjustment of the flow control valve 533, and the back pressure is greater than the spring force in the rodless cavity of the lock catch cylinder 534, so that the lock catch cylinder 534 acts first, the lock catch 535 is in an open state, the turnover cylinder 52 starts to act, the mechanism is placed in a horizontal position, and the action.

Preferably, the blade portion 6 includes a movable blade holder 61 and a combined blade 62, the combined blade 62 is fixed on the movable blade holder 61, the combined blade 62 includes a first blade 621, a second blade 622 and a connecting shaft 623, the first blade 621 is symmetrically installed at two ends of the second blade 622, the upper end of the first blade 621 is provided with a first assembling hole 624, the upper end of the second blade 622 is provided with a second assembling hole 625, the connecting shaft 623 penetrates through the first assembling hole 624 and the second assembling hole 625, and the first blade 621 and the second blade 622 are connected through the connecting shaft 623. Both sides of the first blade 621 are provided with cutting edges. Through the design of double-edge, can be so that the kibbling effect of blade is better for the straw after smashing is more garrulous, mixes in the soil more easily. More preferably, the blade backs of the first blade 621 and the second blade 622 of the combined blade may be provided with a reinforcing rib or a concave rib, which may improve the strength of the combined blade. The movable knife holder 61 is connected to the transmission mechanism 1 by a central transmission shaft.

It is feasible that in other embodiments of the present invention, the combined blade 62 may also be provided with multiple sets of blades, i.e., a plurality of first blades 621 may be staggered with a plurality of second blades 622.

The housing 2 is provided with a running wheel 4 on one side of the transmission 1, which running wheel 4 is connected to the frame part 5 via a roller carrier. And this walking wheel can be provided with 2 symmetrically to can adopt the rubber tyer, fix through the gyro wheel frame, in returning the field operation in-process, can adopt to hang behind the tractor, realize through the walking wheel that the machine follows away behind the tractor.

In addition, a roller 3 is arranged on the other side of the frame part 5 positioned on the transmission mechanism 1, the roller 3 is rotatably connected with the frame part 5 through a rotating shaft, and the roller 3 adopts a roller-shaped solid wheel which can press the crushed straws in the field.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.