CN210808275U - New Cutter Disc Mower - Google Patents

Abstract

The utility model relates to the field of agricultural machinery, in particular to a novel cutter head type mower, which mainly comprises a frame, a transmission device, a mowing device and a mowing and retracting device, wherein the frame is provided with a diagonal bracing arm, the mowing device is hinged with the diagonal bracing arm through a hinged shaft, and the mowing and retracting device can lift or put down the mowing device upwards by taking the hinged shaft as a circle center; the mowing device is arranged on one side of the rack and mainly structurally comprises a mowing frame, a plurality of cutterheads, a grass divider, a transmission box, a main transmission wheel, a driven transmission wheel, a large sliding support seat and a small sliding support seat; the utility model discloses press close to ground to the forage grass cutting, the speed of marcing is high, is applicable to the weeding operation of the great landmass of area, mows fast, efficient, and with low costs, its rational in infrastructure, easy and simple to handle, economical and practical.

Description

New Cutter Disc Mower

technical field

The utility model relates to the field of agricultural machinery, in particular to a novel cutter disc type lawn mower suitable for grassland pastures.

Background technique

A lawnmower is a common weeding mechanical tool used to trim grass over a large area of land. Common lawnmowers usually have a chassis on which four wheels are installed so that the lawnmower can Independently placed on the ground, a motor and a control circuit are installed inside the lawn mower, and the motor drives the mowing impeller through a mechanical transmission. Grass cutting, but the current lawn mowers are mostly used in places such as gardens and lawns. For frequent weed trimming, the cutting ability and cutting efficiency of the lawn mower are not high. Therefore, this type of lawn mower is not suitable for grasslands. For the weeding operation in the grassland, the grassland grassland urgently needs a mowing machine with higher mowing efficiency and better operation quality that can meet the actual needs.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a kind of reasonable structure, simple and convenient operation, suitable for different terrain, especially the natural growth of weeds in mountain pastures, which can greatly improve the efficiency of lawn mowing, save labor time and cost, and is economical and practical. Lawn mower.

The utility model discloses a novel cutter disc type lawn mower, which mainly comprises a frame and a transmission device, and is characterized in that it further includes a lawn mowing device and a lawn mowing and retracting device. The frame is provided with a diagonal support arm for cutting The grass device is hinged with the diagonal support arm through a hinge shaft, and the grass cutting and retracting device can lift or lower the grass cutting device with the hinge shaft as the center of the circle;

The lawn mower is arranged on one side of the frame, and its structure mainly includes a lawn mower, a plurality of cutter heads, a lawn divider, a transmission box, a main transmission wheel, a slave transmission wheel, a large sliding support seat, and a small sliding support seat. , the large sliding support seat and the small sliding support seat are respectively located on both sides of the lawn mower, the lawn mower is a hollow frame structure, and a plurality of cutter discs are arranged on the hollow frame at intervals, and there are partitions between the cutter discs. The lawn mower, at the corresponding lower position of each cutter head, the lawn mower is provided with a front edge of a semi-circular frame, which corresponds to a position below the front edge of each semi-circular frame, and a shape-proof plate I is provided below the lawn mower , the anti-shape plate I extends forward for a certain distance and then intersects with the front edge of the semi-circular frame, forming a ">"-shaped pointed tip; under each cutter head, there is a slave transmission wheel; the transmission box is arranged on one side of the lawn mower , the hinge shaft is arranged on the transmission box, the main transmission wheel is arranged under the transmission box, and a large sliding support seat is located on one side of the transmission box. Shape plate II, the baffle plate is vertically arranged on one side of the transmission box, the shape-proof plate II is located at the bottom of the lawn mower, and is in the shape of a curved plate, and the front end of the shape-proof plate II is bent upward and extends to the bottom of the baffle plate. The front end position, and is connected with the front end of the baffle;

The structure of the cutter head includes a disc, an upper cover, a lower cover, a deflector, a splint, a blade, and a hinge bolt. The upper cover is provided above the disc, and the lower cover is provided below. The middle of the cover plate is provided with a shaft hole, and the splint is provided with a plurality of holes along the circumferential direction at intervals. The splint is a bending plate. There is a gap between the discs, a displacement slot is arranged on the splint, and a hinge bolt is arranged on the blade, the blade is inserted in the above gap, and the hinge bolt is placed in the displacement slot. The blade can be rotated left and right; the deflector is a vertical plate, which is obliquely arranged on the disc between the two splints;

The structure of the grass divider includes a top plate and a boat-shaped bent plate. The top plate is located above the lawn mower and is arranged between the left and right cutter heads. The top plate and the lawn mower panel There is a gap between them, and the blades on the cutter head can pass through the above-mentioned gap when they rotate. After the distance, they intersect and connect, with a ">"-shaped pointed tip;

The small sliding support seat is located on the other side of the lawn mower, and its structure includes half a top plate and half a boat-shaped curved plate, which is similar to the structure of the top plate and boat-shaped curved plate, except that the width is different. Each top plate is located above the lawn mower, and there is a gap between the half of the top plate and the lawn mower panel, and the blades on the cutter head can pass through the above gap when rotating. The boat-shaped curved plate is located below the lawn mower, and the front ends of the half top plate and the half boat-shaped curved plate extend forward for a certain distance and then intersect and connect, forming a ">"-shaped pointed tip.

Preferably, the structure of the grass cutting and retracting device includes a telescopic oil cylinder, one end of the telescopic oil cylinder is connected to the upper part of the diagonal bracing arm, the other end is connected to the upper part of the baffle, and the lower end of the diagonal bracing arm is hinged with the hinge shaft , The telescopic oil cylinder is telescopic up and down, and the whole lawn mower can be lifted or lowered.

Preferably, the boat-shaped curved plate of the grass divider, the half boat-shaped curved plate in the small sliding support seat structure, the anti-shaped plate I arranged under the lawn mower, and the large sliding support seat structure The anti-form plate II in the middle is equipped with an upper folded part at the rear, and the upper folded part is provided with an installation adjustment groove and a fixing bolt. The four are detachably connected to the lawn mower through the fixing bolts on the installation adjustment groove. And can adjust the up and down installation position of the lawn mower.

Preferably, the upturned front end of the half top plate of the small sliding support seat is provided with a perforation, and the front end of the half boat-shaped bent plate passes through the perforation, forming a downward pressure above the half top plate. elbow.

Preferably, the front end of the baffle plate of the large sliding support seat is provided with a perforation, and the front end of the anti-shape plate II passes through the perforation to form a downwardly folded elbow above the side surface of the baffle plate.

Preferably, a wedge-shaped sleeve is provided under the tip of the top plate of the grass divider, and the front end of the boat-shaped bent plate of the grass divider extends forward and is inserted into the wedge-shaped sleeve, and the two are detachably connected.

Preferably, a wedge-shaped sleeve is provided below the front edge of the semi-circular frame, and the front end of the lower anti-shape plate I extends forward and is inserted into the wedge-shaped sleeve, and the two are detachably connected.

Preferably, the main drive wheel and the slave drive wheel are driven by belts, and a tightness adjusting wheel is provided on one side of the drive belt. The blade of the cutter head is provided with a cutting edge.

The transmission device includes a transmission case, a large pulley and a small pulley. In addition to the above-mentioned structure, the transmission device may also be other transmission modes in the prior art, such as shaft transmission, gear transmission and the like.

The working principle of the utility model:

The utility model is used in conjunction with an agricultural locomotive, and is hooked to the rear of the locomotive through a frame. The power is transmitted from the agricultural locomotive, and the driving device drives the mowing cutter head of the utility model to work. It is hinged with the diagonal support arm on the frame, and then the mowing and retracting device can be used to raise or lower the mowing device with the hinge shaft as the center of the circle, so that the mowing device can be placed flat for mowing during work without working. stow the mower up.

During the working process, the mowing device is placed flat, the small sliding support seat and the large sliding support seat are close to the ground and can slide forward on the ground. The bottom structure of the small sliding support seat and the large sliding support seat is preferably made like a hull The same bottom is good for gliding. The transmission box in the transmission device introduces the power from the locomotive, and drives the main drive wheel and the slave drive wheel to drive the cutter head to rotate. To cut off, when the locomotive travels, drive the lawn mower to move forward, so that the cutter can continuously cut the grass within its reach. In the working process of the utility model, the speed is high, and the utility model is suitable for the grass with relatively flat ground. The mowing is fast, the efficiency is high, and the cost is low.

The lawn mower provided by the utility model can not only be used for the harvesting of forage grass and weeds that grow naturally in the mountain pastures, but also can be used for the harvesting of crop straws, such as wheat straw, corn straw, cotton straw, alfalfa grass, etc. Compared with the existing mowing machines of the same power, the cost of oil consumption is lower and the work efficiency is higher.

Compared with the existing lawn mowers in the prior art, the advantages of the utility model are as follows: it solves the problem of different cutting positions of forage grass, sometimes high and low, which causes great waste; it is close to the ground, and the traveling speed is high; The weeding operation of large plots is fast, efficient, low in cost, reasonable in structure and simple in operation.

Description of drawings

FIG. 1 is a schematic view of the front structure of an embodiment of the present invention.

FIG. 2 is a top-view structural schematic diagram of an embodiment of the present invention.

FIG. 3 is a schematic view of the bottom view of the lawn mower after the bottom plate is removed.

FIG. 4 is a schematic structural diagram of the top view of the cutter head in FIG. 1 .

FIG. 5 is a schematic structural diagram of the cutter head in FIG. 1 viewed from the bottom.

FIG. 6 is a schematic structural diagram of the splint shown in FIG. 5 in a top view.

FIG. 7 is a schematic structural diagram of the splint in FIG. 6 viewed from the side.

FIG. 8 is a schematic structural diagram of the blade shown in FIG. 5 in a top view.

FIG. 9 is a schematic structural diagram of the blade in FIG. 8 viewed from the side.

FIG. 10 is a schematic structural diagram of the deflector in FIG. 5 .

FIG. 11 is a schematic diagram of the structure in the direction A-A in FIG. 2 .

FIG. 12 is a schematic diagram of a partial structure of the lawn mower in FIG. 11 .

FIG. 13 is a schematic diagram of the structure in the direction B-B in FIG. 2 .

FIG. 14 is a schematic top view of the structure of FIG. 13 .

FIG. 15 is a schematic side view of the structure of FIG. 13 .

FIG. 16 is a schematic structural diagram of the connection relationship of the large sliding support from a top view.

FIG. 17 is a schematic structural diagram of the connection relationship of the large sliding support seat viewed from the side.

FIG. 18 is a schematic view of the structure of the connection relationship of the small sliding support from a top view.

FIG. 19 is a schematic structural diagram of the connection relationship of the small sliding support seat viewed from the side.

As shown in the figure: 1 is the frame, 2 is the transmission device, 3 is the telescopic oil cylinder, 4 is the diagonal support arm, 5 is the hinge shaft, 6 is the transmission box, 7 is the grass divider, 8 is the cutter head, and 9 is the small Sliding support seat, 10 is the anti-shape plate I, 11 is the front edge of the semi-circular frame, 12 is the lawn mower, 13 is the large sliding support seat, 14 is the main drive wheel, 15 is the slave drive wheel, 15-1 is the drive belt, 15-2 is the tension adjusting wheel, 16 is the top plate, 17 is the baffle plate, 18 is the disc, 19 is the blade, 20 is the hinge bolt, 21 is the through hole of the disc, 22 is the upper cover, 23 is the The lower cover plate, 24 is the splint, 25 is the displacement groove, 26 is the shaft hole, 27 is the guide plate, 28 is the cutting edge, 29 is the elbow, 30 is the fixing bolt, 31 is the upper folding part, and 32 is the bottom plate, 33 is a wedge-shaped sleeve, 34 is a boat-shaped curved plate, 35 is an installation adjustment groove, 36 is an anti-shape plate II, 37 is a perforation, 38 is a half top plate, and 39 is a half boat-shaped curved plate.

Detailed ways

Example 1:

1 to 19 , which are schematic structural diagrams of an embodiment of the present utility model, a new type of cutter disc lawn mower mainly includes a frame 1, a transmission device, and also includes a mowing device and a mowing and retracting device. The frame 1 is provided with a diagonal bracing arm 4, and the mowing device is hinged with the diagonal bracing arm 5 through a hinge shaft 5. The mowing and retracting device can lift the mowing device upward with the hinge shaft 5 as the center of the circle. or let go.

The lawn mowing device is located on one side of the frame 1, and its structure mainly includes a lawn mowing frame 12, a plurality of cutter heads 8, a lawn divider 7, a transmission box 6, a main transmission wheel 14, a slave transmission wheel 15, a large sliding The support seat 13, the small sliding support seat 9, the large sliding support seat 13 and the small sliding support seat 9 are respectively located on both sides of the lawn mower 12, the lawn mower 12 is a hollow frame structure, and the hollow frame is provided with A plurality of cutter discs 8 are provided with a grass divider 7 between the cutter discs 8. At the corresponding lower position of each cutter disc 8, a semi-circular frame front 11 is provided on the lawn mower frame 12, which is connected with each semi-circular machine. The corresponding position below the front edge 11 of the frame, the mowing frame 12 is provided with a shape-proof plate I10, and the shape-proof plate I10 extends forward for a certain distance and then intersects with the front edge 11 of the semi-circular frame, forming a “>”-shaped pointed tip; Below each cutter head 8, a slave transmission wheel 15 is arranged; the transmission box 6 is arranged on one side of the lawn mower 12, the hinge shaft 5 is arranged on the transmission box 6, and the main transmission wheel 14 is arranged on the transmission box 6 Below, there is also a large sliding support seat located on one side of the transmission box 6. The structure of the large sliding support seat includes a baffle plate and an anti-shape plate II. The baffle plate 17 is vertically arranged on one side of the transmission box 6, The anti-form plate II36 is located at the bottom of the lawn mower and is in the shape of a curved plate.

The structure of the cutter head 8 includes a disc 18 , an upper cover 22 , a lower cover 23 , a deflector 27 , a splint 24 , a blade 19 , and a hinge bolt 20 , and an upper cover is arranged above the disc 18 22, a lower cover plate 23 is arranged below, and a shaft hole 26 is arranged in the middle of the lower cover plate 23. The splint 24 is provided with a plurality of intervals along the circumferential direction. The splint 24 is a bending plate, and one end of the splint 24 is inserted into the The cover plate 23 is under and fixedly connected, and the other end protrudes outward, leaving a gap with the disc 18. The splint 24 is provided with a displacement groove 25, and the blade 19 is provided with a hinge bolt 20, so The blade 19 is inserted in the above-mentioned gap, the hinge bolt 20 is placed in the displacement groove 25, and the blade 19 can be rotated left and right through the hinge bolt 20; on the disc 18 between the splints 24 .

The structure of the grass divider 7 includes a top plate 16 and a boat-shaped bent plate 34. The top plate 16 is located above the lawn mower 12 and is arranged between the left and right cutter heads 8. There is a gap between the plate 16 and the panel of the lawn mower 12, and the blade 19 on the cutter head 8 can pass through the above gap when it rotates. The front ends of the sheet plate 16 and the boat-shaped bent plate 34 extend forward for a certain distance and then intersect and connect, forming a ">"-shaped pointed tip.

The small sliding support 9 is located on the other side of the lawn mower 12 , and its structure includes a half top plate 38 and a half boat-shaped bent plate 39 , and the half top plate 38 is located above the lawn mower 12 , there is a gap between the half top plate 38 and the lawn mower 12 panel, the blade 19 on the cutter head can pass through the above-mentioned gap when it rotates, and the half boat-shaped bent plate 39 is located in the cutting Below the straw frame 12 , the front ends of the half top plate 38 and the half boat-shaped curved plate 39 extend forward for a certain distance and then intersect and connect, forming a ">"-shaped pointed tip.

The structure of the lawn mowing and retracting device is: including a telescopic oil cylinder 3, one end of the telescopic oil cylinder 3 is connected with the upper part of the diagonal bracing arm 4, the other end is connected with the upper part of the baffle 17, and the lower end of the diagonal bracing arm 4 is hinged. The shaft 5 is hinged, and the telescopic oil cylinder 3 is telescopic up and down, so that the whole lawn mower 12 can be lifted or lowered.

The boat-shaped curved plate 34 of the grass divider 7, the half boat-shaped curved plate 39 in the structure of the small sliding support seat 9, the anti-form plate I10 set under the lawn mower 12, the large sliding support The anti-shape plate II 36 in the structure of the seat 13 is provided with an upper folding part 31 at the rear part, and the upper folding part 31 is provided with an installation adjusting groove 35 and a fixing bolt 30, and the four are all installed through the fixing bolt 30 on the adjusting groove 35. , which is detachably connected to the lawn mower 12 , and can adjust the upper and lower installation positions of the lawn mower 12 .

The upturned front end of the half top plate of the small sliding support seat 9 is provided with a perforation, and the front end of the half boat-shaped bent plate passes through the perforation, forming a downwardly pressed elbow above the half top plate. .

The front end of the baffle plate 17 of the large sliding support seat 13 is provided with a through hole 37 , and the front end of the anti-shape plate II 36 passes through the through hole 37 , forming a bent bend 29 above the side surface of the baffle plate 17 .

A wedge-shaped sleeve 33 is provided below the tip of the top plate of the grass divider 7, and the front end of the boat-shaped bent plate 34 of the grass divider extends forward and is inserted into the wedge-shaped sleeve 33, and the two are detachably connected.

A wedge-shaped sleeve 33 is provided below the front edge 11 of the semi-circular frame, and the front end of the lower anti-shape plate I10 extends forward and is inserted into the wedge-shaped sleeve 33, and the two are detachably connected.

Example 2:

Compared with Embodiment 1, the difference lies in that: the main drive wheel 14 and the slave drive wheel 15 are driven by belts, a tension adjusting wheel 15-2 is provided on one side of the drive belt 15-1, The blade 19 is provided with a cutting edge 28 .

Claims (10)

1. A novel cutter head type mower mainly comprises a rack and a transmission device, and is characterized by further comprising a mowing device and a mowing retraction device, wherein the rack is provided with a diagonal brace arm, the mowing device is hinged with the diagonal brace arm through a hinge shaft, and the mowing retraction device can lift or put down the mowing device upwards by taking the hinge shaft as a circle center;

the grass cutting device is arranged on one side of the rack and mainly comprises a grass cutting frame, a plurality of cutter heads, a grass divider, a transmission case, a main transmission wheel, a secondary transmission wheel, a large sliding support seat and a small sliding support seat, wherein the large sliding support seat and the small sliding support seat are respectively positioned on two sides of the grass cutting frame; a driven wheel is arranged below each cutter head; the transmission case is arranged on one side of the mowing frame, the articulated shaft is arranged on the transmission case, the main transmission wheel is arranged below the transmission case, a large-slip supporting seat is further arranged on one side of the transmission case, the structure of the large-slip supporting seat comprises a baffle and an anti-shaping plate II, the baffle is vertically arranged on one side of the transmission case, the anti-shaping plate II is arranged at the bottom of the mowing frame and is in a bent plate shape, and the front end of the anti-shaping plate II is bent upwards and extends to the front end of the baffle and is connected with the front end of the baffle;

the structure of the cutter head comprises a disc sheet, an upper cover plate, a lower cover plate, a guide plate, clamping plates, blades and hinge bolts, wherein the upper cover plate is arranged above the disc sheet, the lower cover plate is arranged below the disc sheet, a rotating shaft hole is formed in the middle of the lower cover plate, a plurality of clamping plates are arranged at intervals along the circumferential direction, each clamping plate is a bending plate, one end of each clamping plate is inserted below the lower cover plate and fixedly connected with the lower cover plate, the other end of each clamping plate extends outwards, a gap is reserved between each clamping plate and the disc sheet, a displacement groove is formed in each clamping plate, the hinge bolts are arranged on the blades, the blades are inserted into the gaps, the hinge bolts are arranged in the displacement grooves, and the; the guide plate is a vertical plate and is obliquely arranged on the disc sheet between the two clamping plates;

the structure of the grass divider comprises a top sheet plate and a ship-shaped bent plate, wherein the top sheet plate is positioned above the grass cutting frame and is arranged between a left cutter head and a right cutter head, a gap is formed between the top sheet plate and a panel of the grass cutting frame, blades on the cutter heads can pass through the gap when rotating, the ship-shaped bent plate is positioned below the grass cutting frame, and the front ends of the top sheet plate and the ship-shaped bent plate extend forwards for a certain distance and are connected in an intersecting manner to form a '>' shaped tip;

the small sliding support seat is positioned on the other side of the grass cutting frame, and structurally comprises a half top sheet plate and a half boat-shaped bent plate, the half top sheet plate is positioned above the grass cutting frame, a gap is formed between the half top sheet plate and a grass cutting frame panel, a blade on the cutter head can pass through the gap when rotating, the half boat-shaped bent plate is positioned below the grass cutting frame, and the front ends of the half top sheet plate and the half boat-shaped bent plate extend forwards for a certain distance and then are connected in an intersecting manner to form a '>' shaped tip.

2. The new reel mower of claim 1 wherein said mowing retraction device is configured to: the automatic mowing machine is characterized by comprising a telescopic oil cylinder, one end of the telescopic oil cylinder is connected with the upper portion of an inclined strut arm, the other end of the telescopic oil cylinder is connected with the upper portion of a baffle, the lower end of the inclined strut arm is hinged to a hinge shaft, and the telescopic oil cylinder stretches up and down to lift or put down the whole mowing frame.

3. The novel cutterhead type mower as claimed in claim 1 or 2, wherein the boat-shaped bent plate of the grass divider, the half boat-shaped bent plate in the small sliding support seat structure, the preventive plate I arranged below the grass cutting frame and the preventive plate II in the large sliding support seat structure are provided with folded-up portions at the rear portions, the folded-up portions are provided with mounting adjustment grooves and fixing bolts, and the four are detachably connected with the grass cutting frame through the fixing bolts on the mounting adjustment grooves and can adjust the upper and lower mounting positions of the grass cutting frame.

4. The novel reel mower according to claim 1 or 2, wherein the half top board of said small sliding support seat is provided with a perforation at the upturned front end, and the front end of said half boat-shaped bent board passes through said perforation to form a downward-pressing bend above the half top board.

5. The new reel mower as claimed in claim 3 wherein said top half of said small sliding seat has a perforation at its upturned front end, said front end of said half of said boat-shaped deflector passing through said perforation to form a push-down bend above said top half.

6. The novel reel type mower as claimed in claim 4, wherein the front end of the baffle of the large sliding support seat is provided with a through hole, the front end of the preventive plate II penetrates through the through hole, and a downward-folded elbow is formed above the side face of the baffle.

7. The novel reel type mower as claimed in claim 5, wherein the front end of the baffle of the large sliding support seat is provided with a through hole, and the front end of the preventive plate II passes through the through hole to form a downward-folded elbow above the side surface of the baffle.

8. The novel reel mower according to claim 6, wherein a wedge-shaped sleeve is arranged below the tip of the top plate of the grass divider, the front end of the ship-shaped bent plate of the grass divider extends forwards and is inserted into the wedge-shaped sleeve, and the wedge-shaped sleeve and the ship-shaped bent plate are detachably connected.

9. The novel reel type mower according to claim 8, wherein a wedge-shaped sleeve is arranged below the front edge of the semicircular frame, the front end of the lower preventive plate I extends forwards and is inserted into the wedge-shaped sleeve, and the wedge-shaped sleeve and the preventive plate I are detachably connected.

10. The novel reel mower of claim 9, wherein said primary and secondary drive wheels are driven by a drive belt, a dancer wheel is provided on one side of said drive belt, and the blades of said cutterhead are provided with cutting edges.

Images