CN111345152B

CN111345152B - Mowing pulverizer

Info

Publication number: CN111345152B
Application number: CN202010284966.8A
Authority: CN
Inventors: 张晓冬; 隋学艳; 李润芳; 路凌云; 王存娥; 刘世华; 姜春明; 解志红; 陈晓光
Original assignee: Shandong Lvfei Ecological Technology Co ltd
Current assignee: Shandong Academy of Agricultural Sciences
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2023-11-24
Anticipated expiration: 2040-04-13
Also published as: CN111345152A

Abstract

The invention discloses a mowing pulverizer, and relates to the technical field of agricultural equipment. The equipment comprises a main frame body, wherein the main frame body comprises a square bottom frame, and two front upright posts and two rear upright posts are respectively arranged at the front end and the rear end of the bottom frame. Wheels are respectively arranged on the left side and the right side of the main frame body, a driving sliding frame is arranged between the two front upright posts in a sliding mode, and the driving sliding frame slides back and forth relative to the main frame body under the driving of the wheels. The front end of the main frame body is rotatably provided with a swinging shaft, a gear is fixedly arranged on the swinging shaft, and a rack meshed with the gear is arranged on the driving sliding frame. The upper end and the lower end of the swinging shaft are respectively fixedly provided with an upper swinging rod and a lower swinging rod, a cutting shaft is rotatably arranged between the upper swinging rod and the lower swinging rod, and a cutting assembly is fixedly arranged on the cutting shaft. The mowing grinder can cut higher weeds into small sections, and the cut weeds are prevented from lodging.

Description

Mowing pulverizer

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to a portable mowing pulverizer applicable to high grass layers.

Background

There are two types of small mowers that are currently common, namely, backpack mowers and hand propelled mowers. The backpack mower only has one layer of blades, so that the grass plants can be mowed once, when the grass layer is higher, the grass plants need to be mowed from top to bottom for a plurality of times in a segmented mode, if the grass plants are mowed directly from the lower part, the mowed grass plants fall to one side, if the grass plants are not cleaned in time, and the continuous mowing is difficult. The hand propelled mower is suitable for grass plants with low grass layers, such as turf grass, because the hand propelled mower is used for mowing closely to the ground. In summary, backpack mowers and hand propelled mowers are suitable for mowing low grass layer herbs, and have great limitations when mowing high grass layer herbs.

Disclosure of Invention

In order to solve the problems, the invention provides the portable mowing grinder which is suitable for the high grass layer, and the mowing grinder can grind the high grass layer into small sections at one time, so that the mowing grinder can avoid lodging after mowing and saves time and labor.

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

the mowing pulverizer comprises a main frame body, wherein the main frame body comprises a square bottom frame, two front upright posts are arranged at the front end of the bottom frame, two rear upright posts are arranged at the rear end of the bottom frame, and a front cross beam is arranged between the two front upright posts;

the left and right sides of the front end of the main frame body are respectively provided with rollers, and the left and right sides of the rear end of the main frame body are respectively provided with wheels;

a driving sliding frame is arranged between the two front upright posts in a sliding way, the driving sliding frame is connected with the wheels through connecting rods, and the driving sliding frame slides back and forth relative to the main frame body under the driving of the wheels;

the driving sliding frame is internally provided with a swinging shaft, the upper beam end and the lower beam end of the swinging shaft are respectively and rotatably connected with the front cross beam and the bottom frame through bearing assemblies, the swinging shaft is fixedly provided with a gear, and the driving sliding frame is provided with a rack meshed with the gear;

an upper swinging rod and a lower swinging rod are respectively and fixedly arranged at the upper end and the lower end of the swinging shaft, a cutting shaft is rotatably arranged between the upper swinging rod and the lower swinging rod, and a plurality of cutting assemblies are fixedly arranged on the cutting shaft;

a servo motor is fixedly arranged above the front cross beam between the two front upright posts, a power output shaft of the servo motor is coaxially arranged with the swing shaft, and the power output shaft of the servo motor is connected with the cutting shaft through a transmission structure;

the main frame body is provided with a diesel generator for providing electric energy for the servo motor.

Further, the driving carriage comprises a front cross bar and a rear cross bar, the left end and the right end of the rear cross bar are fixedly connected with the front cross bar through guide posts respectively, and a sliding seat matched with the guide posts is arranged on the front upright post.

Further, the left side and the right side of the driving sliding frame are respectively provided with a connecting rod, the front ends of the connecting rods are hinged with the front cross rod, and the rear ends of the connecting rods are hinged with the second hinge shafts on the wheel auxiliary plates.

Further, a longitudinally extending mounting beam is arranged between the front cross rod and the rear cross rod, and the rack is fixedly connected with the mounting beam.

Further, the cutting assembly include winding wheel and spacing rotating plate, the winding wheel including the cover locate epaxial center pin of cutting, the center pin on be provided with first splint and second splint, first splint and second splint between be provided with first fixed column and second fixed column respectively in the both sides of center pin, first fixed column and second fixed column on be provided with first cutting rope and second cutting rope respectively, just first cutting rope and second cutting rope's free end twine on the center pin along same direction, spacing rotating plate include upper plate and lower flat board, just upper and lower both ends of center pin pass respectively upper plate and lower flat board extend to the outside of spacing rotating plate, lower flat board's both ends are provided with the arc, upper plate detachable fix on the arc, the arc on set up the through wires hole, upper plate and first splint between be provided with spacing screw.

Further, the inner diameter of the arc-shaped plate is equal to the outer diameters of the first clamping plate and the second clamping plate.

Further, a first positioning hole is formed in the central shaft, positioning pins are arranged in the first positioning hole, and a plurality of second positioning holes matched with the positioning pins are uniformly distributed on the cutting shaft along the up-down direction.

Further, the height of the rear upright is 1/2 of the height of the front upright.

Further, a rear cross beam is arranged between the two rear upright posts, and a handle is arranged on the rear cross beam.

Further, the diesel generator is fixedly arranged on the bottom frame of the main frame body.

The beneficial effects of the invention are as follows:

1. the mowing pulverizer is suitable for mowing and pulverizing high grass layers, can cut the high grass layers into small sections at one time, avoids lodging after mowing, and saves trouble and labor.

2. The cutting pulverizer can drive the cutting shaft to integrally swing in the process of pushing the cutting pulverizer to move forwards, so that the cutting range can be enlarged, and the cutting efficiency can be improved; on the other hand, since the cutting range is enlarged, the cutting cord in the cutting assembly does not need a process designed to enlarge the cutting range, which is advantageous in that the cutting force is increased and the cutting effect is improved.

3. In this mowing rubbing crusher, the whole swing of cutting shaft is through the wheel rotation drive for the servo motor of drive cutting shaft rotation is supplied power through diesel generator, so, on the one hand can reduce the energy consumption, and on the other hand, for the mode of the battery function that is commonly used at present, first can improve the duration of whole equipment, and the second can reduce use and cost of maintenance (because the battery has the decay problem, needs periodic replacement).

4. The mowing pulverizer can adjust the cutting height according to the height of the grass layer, is very convenient to assemble and carry, is suitable for various terrains, and fills the blank of related machinery in the hilly area of the mountain land at present.

5. The mowing and crushing machine not only can be used for cleaning weeds, but also can be used for cutting and crushing green manure and pasture crops, and adjusting the cutting density according to the needs (the cutting density refers to the length of each small section after the green manure pasture crops are cut into the small sections), so that the green manure is decomposed in soil and the pasture is fed to livestock.

Drawings

Fig. 1 is a schematic perspective view of a mowing grinder;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

fig. 4 is a front view of the mowing grinder;

FIG. 5 is an enlarged schematic view of the portion C in FIG. 4;

fig. 6 is a left side view of the mowing grinder;

fig. 7 is a schematic perspective view of a cut portion;

FIG. 8 is a schematic perspective view of a drive mechanism for driving the carrying of the cutting shaft;

fig. 9 is a schematic perspective view of a drive carriage;

FIG. 10 is a front view of the cutting assembly;

FIG. 11 is a cross-sectional view A-A of FIG. 10;

FIG. 12 is a side view of the cutting assembly;

FIG. 13 is a cross-sectional view B-B of FIG. 12;

FIG. 14 is a schematic perspective view of a cutting assembly;

FIG. 15 is a schematic view of the connection between the links and the wheels;

fig. 16 is a first operational state diagram of the mowing grinder;

fig. 17 is a second view of the operating state of the mowing and crushing machine.

In the figure: 11-bottom frame, 12-front pillar, 121-slide, 13-rear pillar, 14-longitudinal beam, 15-front cross member, 16-rear cross member, 161-handle, 17-roller, 18-wheel, 181-rear pivot, 182-second pivot, 183-stop screw, 19-motor mounting plate, 2-diesel generator, 3-drive slide, 31-front cross member, 32-rear cross member, 33-guide post, 34-mounting beam, 35-rack, 4-connecting rod, 51-swing shaft, 52-gear, 53-upper swing rod, 54-lower swing rod, 55-cutting shaft, 551-second positioning hole, 6-cutting assembly, 61-winding wheel, 611-center shaft, 6111-first positioning hole, 612-first clamp plate, 6121-third through hole, 613-second clamp plate, 614-first fixed post, 615-second fixed post, 62-limit rotating plate, 621-upper plate, 622-lower plate, 623-arc plate, 6231-threading hole, 63-servo screw, 7-servo motor limit screw.

Detailed Description

For convenience of description, the coordinate system is defined as shown in fig. 1, and the front-rear direction is a longitudinal direction, the left-right direction is a transverse direction, and the up-down direction is a vertical direction.

A mowing pulverizer comprises a main frame body. As shown in fig. 1, 6 and 8, the main frame body includes a square bottom frame 11, and as a specific embodiment, the bottom frame 11 in this embodiment is formed by welding four square steel pipes end to end in sequence.

The front end of the bottom frame 11 is provided with two front posts 12, preferably, the front side of the front posts 12 is flush with the front side of the bottom frame 11, the left side of the front posts 12 on the left side is flush with the left side of the bottom frame 11, and the right side of the front posts 12 on the right side is flush with the right side of the bottom frame 11.

The rear end of the bottom frame 11 is provided with two rear posts 13, preferably, the rear side of the rear posts 13 is flush with the rear side of the bottom frame 11, the left side of the rear posts 13 located on the left side is flush with the left side of the bottom frame 11, and the right side of the rear posts 13 located on the right side is flush with the right side of the bottom frame 11.

The upper ends of the rear posts 13 are connected with the corresponding front posts 12 through longitudinal beams 14 extending longitudinally, a front cross beam 15 is arranged between the two front posts 12, a rear cross beam 16 is arranged between the two rear posts 13, the upper side surfaces of the rear cross beams 16 are flush with the upper end surfaces of the rear posts 13, and handles 161 are arranged on the rear cross beams 16.

The left and right sides of the front end of the main frame body are respectively provided with idler wheels 17, and the left and right sides of the rear end of the main frame body are respectively provided with wheels 18. As a specific embodiment, as shown in fig. 8, a front rotating shaft (not shown in the drawing) penetrating the bottom frame 11 in the left-right direction is disposed at the front end of the bottom frame 11 in this embodiment, and the front rotating shaft is rotatably connected with the bottom frame 11 through a bearing assembly, and rollers 17 are fixedly disposed at the left and right ends of the front rotating shaft respectively. A rear rotating shaft 181 is arranged between the two rear upright posts 13, the left and right ends of the rear rotating shaft 181 respectively penetrate through the rear upright posts 13 to extend to the outside of the main frame body, and the left and right ends of the rear rotating shaft 181 are respectively connected with the rear upright posts 13 in a rotating way through bearing assemblies. Rear wheels are fixedly arranged on the left side and the right side of the main frame body on the rear rotating shaft 181 respectively.

Further, the height of the rear pillar 13 is smaller than the height of the front pillar 12, and preferably, the height of the rear pillar 13 is 1/2 of the height of the front pillar 12.

As shown in fig. 8, a driving carriage 3 is disposed between two front posts 12, as shown in fig. 9, the driving carriage 3 includes a front cross bar 31 and a rear cross bar 32, and the left and right ends of the rear cross bar 32 are fixedly connected with the front cross bar 31 through guide posts 33 respectively. The front rail 31, rear rail 32 and guide post 33 together form a square frame. As shown in fig. 8, sliding bases 121 matched with the guide rods are respectively arranged on the inner side surfaces of the front upright posts 12 (the opposite surfaces of the two front upright posts 12 are taken as inner side surfaces), and the sliding bases 121 are fixedly connected with the front upright posts 12 through screws.

As shown in fig. 8, the left and right ends of the front cross bar 31 are respectively provided with a connecting rod 4, the front end of the connecting rod 4 is hinged to a first hinge shaft on the end of the front cross bar 31, and the rear end of the connecting rod 4 is hinged to a second hinge shaft 182 on the auxiliary plate of the wheel 18. When the wheel 18 rotates, the wheel 18 can drive the driving carriage 3 to slide back and forth along the sliding seat 121 through the connecting rod 4.

As a specific embodiment, as shown in fig. 15, the second hinge shaft 182 is a stepped shaft, and includes a first shaft section and a second shaft section sequentially from outside to inside (from a side close to the wheel 18 to the inside), and the diameter of the second shaft section is larger than that of the first shaft section. The inner end surface of the second shaft section is fixedly connected with the auxiliary plate of the wheel 18 in a welding mode, a threaded hole is formed in the outer end surface of the first shaft section, and a stop screw 183 is arranged in the threaded hole. The rear end of the connecting rod 4 is sleeved on the first shaft section and is limited between the step surface of the second hinge shaft 182 and the head of the stop bolt.

As shown in fig. 8, a swinging shaft 51 extending vertically is disposed in the driving carriage 3, an upper end of the swinging shaft 51 is rotatably connected with the front beam 15 through a bearing assembly, and a lower end of the swinging shaft 51 is rotatably connected with the bottom frame 11 through a bearing assembly. The swing shaft 51 is fixedly provided with a gear 52, and a rack 35 meshed with the gear 52 is arranged between the front cross bar 31 and the rear cross bar 32 and positioned on one side of the gear 52. In this way, when the driving carriage 3 is driven to reciprocate back and forth by the rotation of the wheels 18, the rack 35 also reciprocates back and forth along with the driving carriage 3, and the swinging shaft 51 is driven to swing within a certain angle range.

Further, in order to ensure the connection reliability of the rack 35, as shown in fig. 9, a mounting beam 34 extending longitudinally is disposed inside the driving carriage 3, the front end of the mounting beam 34 is fixedly connected with the front cross bar 31 by welding, the rear end of the mounting beam 34 is fixedly connected with the rear cross bar 32 by welding, and the rack 35 is fixedly connected with the mounting beam 34.

As shown in fig. 1 and 4, an upper swing rod 53 and a lower swing rod 54 are fixedly disposed at the upper and lower ends of the swing shaft 51, a vertically extending cutting shaft 55 is disposed between the upper swing rod 53 and the lower swing rod 54, and the upper and lower ends of the cutting shaft 55 are rotatably connected with the upper swing rod 53 and the lower swing rod 54 through bearing assemblies, respectively. The cutting shaft 55 is fixedly provided with a plurality of cutting assemblies 6 for cutting grass plants along the up-down direction.

As shown in fig. 1 and fig. 4, a motor mounting plate 19 is fixedly disposed above the front cross beam 15 between the two front posts 12, and the left and right ends of the motor mounting plate 19 are fixedly connected with the front posts 12 through screws respectively. The servo motor 7 is fixedly arranged on the motor mounting plate 19, a power output shaft of the servo motor 7 is connected with the cutting shaft 55 through a transmission mechanism, and the power output shaft of the servo motor 7 is coaxially arranged with the swinging shaft 51.

As a specific embodiment, as shown in fig. 4 and 5, the transmission mechanism adopts belt transmission, and includes a driving pulley fixedly arranged on the power output shaft of the servo motor 7 and a driven pulley fixedly arranged on the upper end of the cutting shaft 55, wherein the driving pulley is connected with the driven pulley through a synchronous belt.

The main frame body is provided with a diesel generator 2 for supplying electric energy to the servo motor 7, and preferably, as shown in fig. 4 and 6, the diesel generator 2 is fixedly arranged on a bottom frame 11 of the main frame body.

As shown in fig. 1, 16 and 17, the cutting shaft 55 rotates under the driving of the servo motor 7 on one side, and drives the cutting assembly 6 to rotate, so as to form a cutting effect on the grass plants, and the other side carries out left reciprocating swing under the driving of the driving carriage 3 within a certain angle range.

Further, in order to adapt to the cutting requirements of different heights, as shown in fig. 2, the cutting assembly 6 is provided with a first positioning hole 6111, a positioning pin (not shown in the figure) is disposed in the first positioning hole 6111, and a plurality of second positioning holes 551 matched with the positioning pin are uniformly distributed on the cutting shaft 55 along the up-down direction. The adjustment of the cutting height can be achieved by selecting a second, different, positioning hole 551 for cooperation with the positioning pin.

In addition, this design not only can adjust cutting height, can also adjust cutting density, because the device not only can be used for cutting weeds, can also regard as the reducing mechanism of green manure crop, need consider the finely divided degree of smashing when smashing the green manure crop.

As shown in fig. 14, the cutting assembly 6 includes a winding wheel 61 and a limiting rotating plate 62.

As shown in fig. 10 and 11, the winding wheel 61 includes a central shaft 611, and the central shaft 611 is provided with a first through hole penetrating through the central shaft 611 in an axial direction for accommodating the cutting shaft 55. The central shaft 611 is provided with a first clamping plate 612 and a second clamping plate 613 which are round in sequence from top to bottom, and the first clamping plate 612 and the second clamping plate 613 are fixedly connected with the central shaft 611 in a welding mode. A first fixing column 614 and a second fixing column 615 are respectively disposed between the first clamping plate 612 and the second clamping plate 613 at two sides of the central shaft 611. The first fixing column 614 is provided with a first cutting rope, and one end of the first cutting rope is fixedly connected with the first fixing column 614 in a fastening manner. The second fixing column 615 is provided with a second cutting rope, and one end of the second cutting rope is fixedly connected with the second fixing column 615. The other ends of the first and second cutting strings are wound around the central shaft 611 in the same direction.

As shown in fig. 12, 13 and 14, the rotation limiting plate 62 includes an upper plate 621 disposed above the first clamping plate 612 and a lower plate 622 disposed below the second clamping plate 613, and the upper plate 621 and the lower plate 622 are respectively provided with a second through hole for accommodating the central shaft 611. Both ends of the lower plate 622 in the length direction are respectively provided with an upwardly extending arc plate 623, and the inner diameter of the arc plate 623 is equal to the outer diameters of the first clamping plate 612 and the second clamping plate 613. The curved plate 623 is fixedly connected to the lower plate 622 by welding. The two ends of the upper plate 621 are fixedly connected with the upper end surface of the arc plate 623 by screws respectively. The arcuate plate 623 is provided with a threading hole 6231, and the free ends of the first and second cutting strings respectively pass through the threading hole 6231 and extend to the outside of the limit rotating plate 62. A limiting screw 63 for limiting the rotation of the limiting rotating plate 62 relative to the winding wheel 61 is arranged between the upper flat plate 621 and the first clamping plate 612, threaded holes matched with the limiting screw 63 are formed in the upper flat plate 621, and a plurality of third through holes 6121 for accommodating the end parts of the limiting screw 63 are uniformly distributed on the first clamping plate 612 along the circumferential direction.

The first positioning hole 6111 is disposed on the central shaft 611, and the first positioning hole 6111 radially penetrates through the central shaft 611. Preferably, two first positioning holes 6111 are provided on the central shaft 611, and the two first positioning holes 6111 are respectively located on the upper side and the lower side of the limiting rotating plate 62.

Further, it is possible to cut off weeds or green manure crops from the roots, the lower swing lever 54 is located above the bottom frame 11 as shown in fig. 4, and the lower end of the cutting shaft 55 extends through the lower swing lever 54 to below the lower swing lever 54 as shown in fig. 3. The lower end of the cutting shaft 55 is fixedly provided with a cutting assembly 6.

Claims

1. Portable mowing pulverizer suitable for high grass layer, its characterized in that: the novel lifting frame comprises a main frame body, wherein the main frame body comprises a square bottom frame, two front upright posts are arranged at the front end of the bottom frame, two rear upright posts are arranged at the rear end of the bottom frame, and a front cross beam is arranged between the two front upright posts;

the main frame body is provided with a diesel generator for providing electric energy for the servo motor;

the cutting assembly comprises a winding wheel and a limiting rotating plate, the winding wheel comprises a central shaft sleeved on the cutting shaft, a first clamping plate and a second clamping plate are arranged on the central shaft, a first fixing column and a second fixing column are respectively arranged on two sides of the central shaft between the first clamping plate and the second clamping plate, a first cutting rope and a second cutting rope are respectively arranged on the first fixing column and the second fixing column, the free ends of the first cutting rope and the second cutting rope are wound on the central shaft along the same direction, the limiting rotating plate comprises an upper plate and a lower plate, the upper end and the lower end of the central shaft respectively penetrate through the upper plate and the lower plate to extend to the outside of the limiting rotating plate, arc plates are arranged at two ends of the lower plate, the upper plate is detachably fixed on the arc plates, threading holes are formed in the arc plates, and limiting screws are arranged between the upper plate and the first clamping plate;

the driving sliding frame comprises a front cross rod and a rear cross rod, the left end and the right end of the rear cross rod are respectively and fixedly connected with the front cross rod through guide posts, and sliding seats matched with the guide posts are arranged on the front upright posts;

the left side and the right side of the driving sliding frame are respectively provided with a connecting rod, the front ends of the connecting rods are hinged with the front cross rod, and the rear ends of the connecting rods are hinged with a second hinge shaft on the wheel auxiliary plate;

a longitudinally extending mounting beam is arranged between the front cross rod and the rear cross rod, and the rack is fixedly connected with the mounting beam;

a first positioning hole is formed in the central shaft, positioning pins are arranged in the first positioning hole, and a plurality of second positioning holes matched with the positioning pins are uniformly distributed on the cutting shaft along the up-down direction;

the height of the rear upright post is 1/2 of the height of the front upright post;

a rear cross beam is arranged between the two rear upright posts, and a handle is arranged on the rear cross beam.

2. A portable mowing and crushing machine suitable for high grass, according to claim 1, characterized in that: the inner diameter of the arc-shaped plate is equal to the outer diameters of the first clamping plate and the second clamping plate.

3. A portable mowing and crushing machine suitable for high grass, according to claim 1, characterized in that: the diesel generator is fixedly arranged on the bottom frame of the main frame body.