CN216873917U

CN216873917U - Reciprocating type mower with angle adjusting function for cutting knife

Info

Publication number: CN216873917U
Application number: CN202220751440.0U
Authority: CN
Inventors: 国纪才; 宋晓文; 何聪; 王泽云; 李渊; 张艳锋
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-05
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a reciprocating mower with a cutting knife having an angle adjusting function, which belongs to the technical field of agricultural machinery and comprises a supporting frame; the lifting device is positioned on one side of the support frame and is rotationally connected with the support frame, and the lifting device is driven by the adjusting mechanism to rotate; a cutting device connected with the landing gear; and the transmission device drives the cutting device to cut through the damping mechanism. The reciprocating mower disclosed by the utility model can reduce the vibration generated when the mower works, and can adjust the angle of the cutting device to adapt to different working environments.

Description

Reciprocating type mower with angle adjusting function for cutting knife

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a reciprocating mower with a cutting knife having an angle adjusting function.

Background

Reciprocating mowers are commonly used for harvesting rod-like crops due to their simple structure and convenient operation. The reciprocating cutter mostly adopts a mechanical transmission structure to convert the rotary motion of power output parts such as a motor, an internal combustion engine and the like into the reciprocating linear motion of a moving blade of the cutter, and the cutting and harvesting work of rod-shaped crops is realized through the relative motion of two blades.

The existing reciprocating mower has the following defects that firstly, the mower is not reasonable in space layout and compact in structure, so that parts are easy to damage; secondly, the reciprocating type grass mower has large width and large reciprocating inertia, which causes large vibration, large deformation and large noise in the working process of the cutting knife; thirdly, the mower is difficult to cut when facing complex terrains because of no landing gear, and the mower occupies large area when placed at ordinary times.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a reciprocating mower with a cutting blade having an angle adjustment function, which can reduce the vibration of the mower during operation and can adjust the angle of the cutting device to adapt to different working environments.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a reciprocating mower with a cutting knife having an angle adjusting function is provided, which comprises a supporting frame; the lifting device is positioned on one side of the support frame and is rotationally connected with the support frame, and the lifting device is driven by the adjusting mechanism to rotate; a cutting device connected with the landing gear; and the transmission device drives the cutting device to cut through the damping mechanism.

Furthermore, the lifting device comprises a lifting plate, two sides of the lifting plate are connected with the support frame through a rotating shaft, and a cross shaft connected with two sides of the lifting plate is arranged on the lifting plate.

Furthermore, the adjusting mechanism comprises a worm gear speed reducer, two sides of the worm gear speed reducer are respectively connected with a four-bar mechanism, one end of the four-bar mechanism is hinged with the worm gear speed reducer, and the other end of the four-bar mechanism is hinged with the cross shaft.

Further, the cutting device comprises a knife rest plate, a cutting fixed knife and a cutting movable knife, the cutting fixed knife is fixedly connected to the knife rest plate, and the cutting movable knife is connected with the knife rest plate in a sliding manner; the cutting moving knife is connected with the damping mechanism through a universal joint.

Furthermore, the damping mechanism is a spring damper, one end of the spring damper is connected with an eccentric wheel, and the eccentric wheel is connected with the transmission device through an eccentric wheel bearing device.

Further, the transmission device comprises a belt transmission system, and the belt transmission system is connected with a power shaft.

Furthermore, the cutting device also comprises a grass divider positioned at the end part and a blade protector positioned in front of the cutting movable blade.

Furthermore, the eccentric wheel bearing device comprises a base and a roller, and a sealing device is arranged in the roller.

Furthermore, the support frame is triangular, and the adjusting mechanism is located in the support frame.

Furthermore, the support frame is connected with a connecting rack, the connecting rack is provided with a traction frame, the connecting rack is provided with a power shaft support, and the power shaft is arranged on the power shaft support.

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

1. the reciprocating mower disclosed by the utility model is provided with the lifting device capable of driving the cutting device to rotate, so that the angle of the cutting knife is adjusted, the cutting device can adapt to different working environments, the utilization rate is increased, meanwhile, the cutting knife is convenient to fold after the cutting operation is finished, and the occupied space is reduced;

2. according to the reciprocating mower disclosed by the utility model, the cutting device is connected with the damping mechanism, so that the vibration of the cutting device in the reciprocating motion can be reduced, the working state of the mower is more practical and stable, and the mower is more convenient to operate;

3. according to the reciprocating mower disclosed by the utility model, the sealing device is arranged in the roller of the eccentric wheel bearing device and is made of rubber materials, so that the vibration generated when the belt transmission mechanism works can be absorbed, and the working stability is further improved;

4. the reciprocating mower provided by the utility model is provided with the blade protector, prevents stones from damaging the cutting knife in the mowing operation and is used for protecting the cutting knife; the grass divider is arranged and used for gathering grass in the advancing process of the machine, so that the grass cutting operation is convenient.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the landing gear and adjustment mechanism;

FIG. 4 is a schematic view of a cutting device;

FIG. 5 is a schematic view of a supporting frame;

fig. 6 is a schematic view of the structure of the roller.

In the figure: 1-connecting frame, 2-power shaft, 3-power shaft support, 4-traction frame, 5-belt transmission system, 6-eccentric wheel bearing device, 7-eccentric wheel, 8-support frame, 9-spring shock absorber, 10-fixing device, 11-adjusting mechanism, 12-lifting device, 13-cutting device, 14-worm gear reducer, 15-four-bar mechanism, 16-lifting plate, 17-cross shaft, 18-rotation shaft, 19-base, 20-roller, 21-sealing device, 22-universal joint, 23-knife rest plate, 24-cutting fixed knife, 25-cutting movable knife, 26-edge protector and 27-grass splitter.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-2, the embodiment provides a reciprocating mower with a cutting knife having an angle adjusting function, which includes a supporting frame 8, as shown in fig. 5, the supporting frame 8 is a triangular structure, a connecting frame 1 is connected to the right side of the supporting frame 8, a traction frame 4 is arranged above the connecting frame 1, and a hinge device is arranged above the traction frame 4 and connected to a traction plate of a tractor. The support frame 8, the connecting frame 1 and the traction frame 4 form a frame structure of the mower for supporting and connecting.

The lifting device 12 is rotatably connected with the support frame 8, and the lifting device 12 is driven by the adjusting mechanism 11 to rotate and is connected with the cutting device 13 for driving the cutting device 13 to rotate; the cutting device 13 is driven by a transmission device to operate to complete the cutting action, and a damping mechanism is connected between the transmission device and the cutting device 13.

Specifically, as shown in fig. 3, the landing gear 12 is located on the right side of the support frame 8, and includes a landing plate, a rotating shaft 18, and a transverse shaft 17. The lifting plate 16 is positioned on the right side of the support frame 8, two sides of the lifting plate 16 are connected with the support frame 8 through a rotating shaft 18, bearings are arranged at two ends of the rotating shaft 18 and are installed in bearing blocks, and the bearing blocks are fixed on the support frame 8 and the lifting plate 16 through screws. The transverse shaft 17 is positioned above the lifting plate 16 and fixedly connected with two ends of the lifting plate 16 by pins.

The adjusting mechanism 11 comprises a worm and gear speed reducer 14 and four-bar mechanisms 15, the worm and gear speed reducer 14 is fixed in the support frame 8 through bolt connection and is located in the middle of the rising and falling plate 16 and driven by a motor, the four-bar mechanisms 15 are provided with two parts which are symmetrically arranged on two sides of the worm and gear speed reducer 14, one end of each four-bar mechanism 15 is hinged with a worm wheel shaft, the other end of each four-bar mechanism is hinged with a cross shaft 17 on the rising and falling plate 16 through a fisheye joint, and the lifting of the cutting device 13 is realized by driving the cross shaft 17 on the rising and falling plate 16 to rotate. The lifting device 12 and the four-bar adjusting mechanism 11 are matched with each other, so that the angle of the cutting device 13 can be adjusted, the operation under different environments can be completed, the cutting knife can be conveniently folded after the cutting operation is completed, and the occupied space is reduced.

As shown in fig. 4, the cutting device 13 is located on the right side surface of the mounting frame and is bolted to the landing plate 16 for fixedly supporting a cutter. The cutting device 13 comprises a knife rest plate 23, a cutting fixed knife 24 and a cutting movable knife 25, the cutting fixed knife 24 is fixedly connected to the knife rest plate 23, and the cutting movable knife 25 is connected with the knife rest plate 23 in a sliding manner; the cutting moving blade 25 is connected with the damping mechanism through a universal joint 22. The cutting movable knife 25 realizes shearing movement with the cutting fixed knife 24 through transmitted power, and shock absorption is realized through a shock absorption mechanism. The cutting device 13 further comprises a grass divider 27 at the end and a blade guard 26 in front of the cutting movable blade 25. The blade guard 26 prevents damage of the cutting blade by stones during mowing work, and serves to protect the cutting blade; the grass divider 27 is located at the rightmost end of the cutting device 13 and is used for collecting grass during the moving process of the machine, so that the grass cutting operation is convenient.

The rotating device comprises a belt transmission system 5, the belt transmission system 5 is transversely arranged on the connecting rack 1 and fixed on the connecting rack 1 by screws, and a belt shell is connected with the support frame 8 through a fixing device 10. The driving belt pulley is connected with the driven belt pulley through a belt, and a belt shell is arranged outside the driving belt pulley, so that the damage of external factors to belt transmission in work is reduced, and the service life of the belt transmission is prolonged. A driven wheel shaft of the belt transmission system 5 penetrates through an eccentric wheel bearing device 6, an eccentric wheel 7 is arranged at the tail end of the driven wheel shaft, and the eccentric wheel bearing device 6 is arranged on the left upper side of the upper top surface of a support frame 8 and is connected by bolts. The eccentric wheel bearing device 6 consists of a base 19 and a roller 20, as shown in fig. 6, a sealing device 21 is arranged in the roller 20, and the sealing device 21 is made of rubber materials and absorbs the vibration generated when the driven wheel shaft works.

The belt transmission system 5 is driven by the power shaft 2. The front end of the power shaft 2 is provided with a spline groove which is connected with a transmission system of the tractor to provide power, and the rear end of the power shaft is connected with a driving belt pulley in a belt transmission system 5. The power shaft is installed on the power shaft support 3, the power shaft support 3 is fixedly connected to the connecting rack 1 through bolts, and the power shaft 2 is matched with a bearing through a protective shell and is installed on the power shaft support 3 and used for protecting the power shaft 2, avoiding damage to a shaft caused by foreign objects and reducing vibration in work.

One end of the spring shock absorber 9 is connected with the eccentric wheel 7 through a bolt, the other end of the spring shock absorber is hinged with a universal joint 22 of the cutting device 13, and the spring shock absorber 9 is obliquely arranged in the support frame 8, so that the spatial structure layout is more reasonable. The cutting device 13 is driven by the spring damper 9 assembly to reduce the vibrations generated during the reciprocating motion.

Because the machine body is provided with the spring shock absorber 9, the power shaft support 3, the roller 20 with the sealing device 21 and other devices, the vibration of the mower generated in the working process can be reduced, the four-bar adjusting mechanism 11 and the landing gear 12 facilitate the machine to adapt to different working environments, the utilization rate is increased, the working state of the mower is more practical and stable, and the mower is more convenient to operate.

It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A reciprocating mower with a cutting knife having an angle adjusting function, comprising:

a support frame;

the lifting device is positioned on one side of the support frame and is rotationally connected with the support frame, and the lifting device is driven by the adjusting mechanism to rotate;

a cutting device connected with the landing gear;

and the transmission device drives the cutting device to cut through the damping mechanism.

2. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 1, characterized in that said landing gear comprises a landing plate, both sides of said landing plate are connected with said supporting frame through a rotating shaft, and said landing plate is provided with a cross shaft connected with both sides of said landing plate.

3. The reciprocating mower with cutting knife having angle adjusting function as claimed in claim 2, characterized in that the adjusting mechanism comprises a worm gear reducer, two sides of the worm gear reducer are respectively connected with a four-bar mechanism, one end of the four-bar mechanism is hinged with the worm gear reducer, and the other end of the four-bar mechanism is hinged with a cross shaft.

4. The reciprocating mower with the cutting knife having the angle adjusting function according to claim 1, wherein the cutting device comprises a knife rest plate, a cutting fixed knife and a cutting movable knife, the cutting fixed knife is fixedly connected to the knife rest plate, and the cutting movable knife is connected with the knife rest plate in a sliding manner; the cutting moving knife is connected with the damping mechanism through a universal joint.

5. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 1, characterized in that the damping mechanism is a spring damper, one end of the spring damper is connected with an eccentric wheel, and the eccentric wheel is connected with the transmission device through an eccentric wheel bearing device.

6. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 1, characterized in that said transmission means comprises a belt transmission system to which a power shaft is connected.

7. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 4, characterized in that said cutting device further comprises a grass divider at the end and a blade guard in front of the cutting knife.

8. The reciprocating mower with the cutting knife having the angle adjusting function as claimed in claim 5, wherein the eccentric wheel receiving device comprises a base and a roller, and a sealing device is arranged in the roller.

9. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 1, characterized in that said support frame is triangular and said adjustment mechanism is located in said support frame.

10. The reciprocating mower with cutting knife having angle adjustment function as claimed in claim 6, wherein a connecting frame is connected to said supporting frame, a traction frame is provided on said connecting frame, a power shaft support is mounted on said connecting frame, and said power shaft is mounted on said power shaft support.