CN112930847A

CN112930847A - Grass cutting device for forestry

Info

Publication number: CN112930847A
Application number: CN202110189696.7A
Authority: CN
Inventors: 曾超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-06-11
Anticipated expiration: 2041-02-19
Also published as: CN112930847B

Abstract

The invention relates to the field of forestry and discloses a mowing device for the forestry, which comprises a shell, wherein an adjusting mechanism is arranged on the upper surface of the shell, a mowing mechanism is fixedly connected to the left end of the adjusting mechanism, an extrusion mechanism is arranged in the shell, the upper surface of the extrusion mechanism is fixedly connected with the bottom end of a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the right side surface of the shell, and a handle is fixedly connected to the outer surface of the shell. According to the lawn mower, the mowing mechanism is arranged, the motor can drive the cutting wheel to rotate when working, so that turf can be quickly cut, the electric push rod can control the motor to move up and down, the angle of the cutting wheel can be effectively adjusted under the action of the two bevel gears and the first rotating shaft, weeds on a slope can be well trimmed, the first rack can stably move along a track under the action of the second slide block and the second slide groove, and the angle adjustment of the cutting wheel cannot be influenced.

Description

Grass cutting device for forestry

Technical Field

The invention relates to the field of forestry, in particular to a mowing device for the forestry.

Background

Mowers, also known as weed trimmers, lawnmowers, and the like, are needed for forestry operations. The mower is a mechanical tool for trimming lawn, vegetation and the like, and consists of a cutter head, an engine, a traveling wheel, a traveling mechanism, blades, a handrail and a control part, wherein the cutter head is arranged on the traveling wheel, the engine is arranged on the cutter head, the blades are arranged on an output shaft of the engine, and the blades are greatly improved in speed by utilizing the high-speed rotation of the engine, so that the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.

According to a new grass cutting device for a grass cutter with the patent number of CN201720568572.9 provided by Chinese patent, the inventor finds that the following defects still exist when the technical scheme is realized: 1. when the existing grass cutting device is used for cleaning weeds on a slope, control equipment is required to move to the slope, the equipment is prone to overturning, 2, driving equipment such as a motor is required to be used when the existing equipment collects the weeds, so that the equipment cost is high, the weight of the equipment is increased, and 3, the existing equipment can collect the weeds, but cannot squeeze and bundle the weeds, so that the existing grass cutting device is troublesome to clean, and workers are required to take out the weeds in the collecting box by using tools, so that the operation is very troublesome and the efficiency is low.

Disclosure of Invention

The invention provides a mowing device for forestry, which aims at the problems that in the prior art, 1, when the existing mowing device cleans weeds on a slope, control equipment is required to move to the slope, the equipment is easy to turn over, 2, when the existing equipment collects the weeds, driving equipment such as a motor is required, so that the equipment cost is high, the weight of the equipment is increased, 3, although the existing equipment can collect the weeds, the weeds cannot be squeezed and bundled, so that the cleaning is troublesome, and the weeds in a collecting box are required to be taken out by workers by using tools, so that the operation is very troublesome and the efficiency is low.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a grass cutting device for forestry, includes the shell, the upper surface of shell is provided with adjustment mechanism, and adjustment mechanism's left end fixedly connected with grass cutting mechanism, be provided with extrusion mechanism in the shell, the upper surface of extrusion mechanism and the bottom fixed connection of pneumatic cylinder, pneumatic cylinder fixed connection are at the right side of shell, and the external fixed surface of shell is connected with the handle, and the inside of shell lower surface is provided with grog mechanism, and the left and right sides face of shell is provided with scraper bowl and through-hole respectively, and the outside of shell is provided with sweeps material mechanism, sweeps the left side that material mechanism is located the shell.

Preferably, the mowing mechanism comprises an L-shaped plate fixedly connected to the left end of the first rotating shaft, a first sliding groove is formed in the right side face of the inner wall of the L-shaped plate, a first sliding block is connected to the first sliding groove in a sliding mode, a protective shell is fixedly connected to the left side face of the first sliding block, two motors are arranged in the protective shell, an output shaft of each motor penetrates through the lower surface of the protective shell and is fixedly connected with a cutting wheel, and the left side and the right side of the upper surface of the protective shell are fixedly connected with the upper surface of the inner.

Preferably, the adjusting mechanism comprises a shell fixedly connected to the upper surface of the shell, third bearings are clamped to the left side surface and the right side surface of the inner shell, a third rotating shaft is sleeved on the outer side of each third bearing, a hand wheel is fixedly connected to the right end of the third rotating shaft, a threaded column is fixedly connected to the outer surface of the third rotating shaft, a threaded cap is connected to the outer side of the threaded column in a threaded mode, a first rack is fixedly connected to the back of the threaded cap through a connecting piece, a second slider is fixedly connected to the back of the first rack, and the second slider is slidably connected to the back of the inner shell.

Preferably, the front of the first rack is engaged with a first gear, the lower surface of the first gear is fixedly connected with a second rotating shaft, the second rotating shaft is sleeved in a second bearing clamped on the upper surface of the shell, the left side surface of the shell is clamped with a first bearing, the first bearing is sleeved with a first rotating shaft, the right end of the first rotating shaft and the bottom end of the second rotating shaft are fixedly connected with bevel gears, the two bevel gears are engaged with each other, and the left end of the first rotating shaft is fixedly connected with an L-shaped plate.

As preferred, extrusion mechanism is including the laminating at the clamp plate of location shell lower surface, and a plurality of cutters of even fixedly connected with turn right from a left side to the clamp plate lower surface, the equal fixedly connected with picture peg in both sides around the clamp plate upper surface, and the picture peg runs through the jack that the location shell lower surface was seted up and extends to the location shell in, the lower fixed surface of location shell inner wall is connected with the baffle, and the front and back both sides face of baffle all is through a plurality of spring fixedly connected with splint, and a plurality of inserted bars of even fixedly connected with turn right from a left side are kept away from the face of two splint mutually, and the inserted bar inserts to the slot in, and the opposite face.

As preferred, the equal fixedly connected with third slider in the left and right sides of splint lower surface, third slider sliding connection are at the lower surface of location shell inner wall, and the right-hand member that two splint kept away from the face mutually all sets up to semi-arc, and two splint are located the U-shaped inboard, and the right flank of U-shaped board passes through slide bar fixedly connected with push pedal, and the push pedal is located the location shell right flank and offers the hole inslot, and the slide bar cover is established in the sliding sleeve of location shell inner wall left surface joint.

Preferably, the sweeping mechanism comprises side plates fixedly connected to the front side and the rear side of the left side face of the shell, a fixed shaft is rotatably connected between the two side plates, and a plurality of sweeping plates are fixedly connected to the outer side of the fixed shaft.

Preferably, the two ends of the fixed shaft are fixedly connected with first driving wheels, the front side surface and the rear side surface of the inner wall of the shell are rotatably connected with wheels, the far surfaces of the two wheels are fixedly connected with third driving wheels, and the first driving wheels are in transmission connection with the third driving wheels through first belts.

As preferred, defeated material mechanism is including seting up the recess at shell inner wall lower surface, be provided with a plurality of driving rollers in the recess, the both ends of driving roller are rotated and are connected in the recess and run through respectively to two cavitys in, the cavity is seted up inside the shell, the equal fixedly connected with second drive wheel in both ends of driving roller, connect through second belt drive between a plurality of second drive wheels, the equal fixedly connected with second gear of the face of keeping away from mutually of two front and back second drive wheels, the downside meshing of second gear has the second rack, the right-hand member of second rack passes through the right flank fixed connection of spring beam and cavity inner wall.

Preferably, the left end of the second rack is fixedly connected with a fixing rope, the other end of the fixing rope bypasses the winding rod, penetrates through the guide sleeve and is fixedly connected with the lower surface of the pressing plate, the winding rod and the guide sleeve are fixedly connected in the cavity, and the lower surface of the shell is uniformly provided with a plurality of water filtering holes.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:

1. the invention can drive the cutting wheel to rotate when the motor works so as to quickly cut turf, can control the motor to move up and down by arranging the electric push rod which can control the motor to adjust the position of the cutting wheel so as to cut grass with different heights, and has better weed trimming effect, can drive the threaded column to rotate when the hand wheel rotates by arranging the adjusting mechanism so as to drive the threaded column to move the first rack which can drive the first gear to rotate so as to control the forward and reverse rotation of the second rotating shaft by the forward and reverse rotation of the first gear, can effectively adjust the angle of the cutting wheel under the action of the two bevel gears and the first rotating shaft so as to well trim weeds on a slope, and can stably move along a track under the action of the second slide block and the second slide groove by arranging the second slide block, the angle adjustment of the cutting wheel is not influenced.

2. The invention can drive the third driving wheel to move when the wheel rotates by arranging the sweeping mechanism, the third driving wheel drives the first driving wheel to rotate by the first belt, the first driving wheel drives the sweeping plate to rotate by the fixed shaft, the sweeping plate can push all cut forage to the bucket and can be conveyed into the shell under the action of the bucket, the hydraulic cylinder can extend and drive the extrusion mechanism to move downwards when working by arranging the extrusion mechanism and the hydraulic cylinder, the extrusion mechanism can extrude the weeds, so that the weeds can be extruded together, the weeds can be dewatered at the same time, the weeds can be conveniently taken out and treated subsequently, wherein the push plate is pushed to extrude to drive the U-shaped plate to move leftwards by the slide rod, the U-shaped plate can extrude the two clamping plates, the two clamping plates can approach each other and drive the inserting rod to be separated from the slot to fix the inserting plate, and finally, the plugboard can be taken out from the jack to separate from the positioning shell, so that the cutter and the pressing plate can be replaced, and the influence on use caused by abrasion of the cutter and the pressing plate is avoided.

3. By arranging the material conveying mechanism, when the pressure plate moves upwards, one end of the fixed rope can be pulled, the other end of the fixed rope can pull the second rack to move leftwards, the second rack can drive the second gear to rotate, and the second gear drives the second transmission wheel to rotate, the plurality of driving rollers rotate under the action of the second belt, so that weeds can be driven to move to form a gathering effect, and the extruded weeds are conveyed out through the through holes, so that automatic discharging is completed, the subsequent material taking by workers is not needed, the work of the workers is greatly facilitated, when the pressing plate moves downwards, the fixing rope is not pulled any more, at the moment, the spring rod pulls the second rack to move rightwards to the initial position through the self elastic contraction, the weeds can be conveniently extruded next time and the conveying is finished, and through the arrangement of the water filtering holes, under the action of the water filtering holes, water in the weeds can be completely filtered out, and the high-efficiency treatment of the weeds is completed.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

FIG. 3 is a schematic sectional view of the pressing mechanism of the present invention viewed from above.

FIG. 4 is a schematic sectional view of the feeding mechanism of the present invention.

Fig. 5 is an enlarged schematic view of a structure in the present invention.

Fig. 6 is a schematic sectional view of the adjusting mechanism of the present invention from above.

The names of the parts indicated by the numerical references in the drawings are as follows: 1. a housing; 2. a mowing mechanism; 21. an L-shaped plate; 22. an electric push rod; 23. a first slider; 24. a protective shell; 25. a cutting wheel; 3. an adjustment mechanism; 31. a first rotating shaft; 32. a second rotating shaft; 33. a bevel gear; 34. a housing; 35. a third rotating shaft; 36. a hand wheel; 37. a threaded post; 38. a threaded cap; 39. a first gear; 310. a second slider; 311. a first rack; 4. a hydraulic cylinder; 5. an extrusion mechanism; 51. a positioning shell; 52. a cutter; 53. pressing a plate; 54. pushing the plate; 55. a slide bar; 56. a U-shaped plate; 57. a splint; 58. a spring; 59. a third slider; 510. inserting a rod; 511. inserting plates; 6. a bucket; 7. a material sweeping mechanism; 71. a fixed shaft; 72. sweeping the material plate; 73. a first drive pulley; 74. a first belt; 75. a wheel; 8. a material conveying mechanism; 81. winding the rod; 82. fixing a rope; 83. a second gear; 84. a second rack; 85. a spring lever; 86. a guide sleeve; 87. a second belt; 88. a second transmission wheel; 89. a driving roller; 810. water filtering holes; 9. a handle; 10. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A mowing device for forestry is shown in figures 1-6 and comprises a shell 1, wherein an adjusting mechanism 3 is arranged on the upper surface of the shell 1, a mowing mechanism 2 is fixedly connected to the left end of the adjusting mechanism 3, an extruding mechanism 5 is arranged in the shell 1, the upper surface of the extruding mechanism 5 is fixedly connected with the bottom end of a hydraulic cylinder 4, the hydraulic cylinder 4 is fixedly connected to the right side surface of the shell 1, a handle 9 is fixedly connected to the outer surface of the shell 1, a clinker mechanism is arranged inside the lower surface of the shell 1, a bucket 6 and a through hole 10 are respectively arranged on the left side surface and the right side surface of the shell 1, a sweeping mechanism 7 is arranged on the outer side of the shell 1, and the sweeping mechanism 7 is.

Further, the grass cutting mechanism 2 comprises an L-shaped plate 21 fixedly connected to the left end of the first rotating shaft 31, a first sliding groove is formed in the right side surface of the inner wall of the L-shaped plate 21, a first sliding block 23 is connected in the first sliding groove in a sliding manner, a protective shell 24 is fixedly connected to the left side surface of the first sliding block 23, two motors are arranged in the protective shell 24, output shafts of the motors penetrate through the lower surface of the protective shell 24 and are fixedly connected with cutting wheels 25, the left side and the right side of the upper surface of the protective shell 24 are fixedly connected with the upper surface of the inner wall of the L-shaped plate 21 through electric push rods 22, the motor can drive the cutting wheels 25 to rotate when working through the arrangement of the grass cutting mechanism 2, so that turf can be cut rapidly, through the arrangement of the electric push rods 22, the electric push rods 22 can control the, so that the weed trimming effect is better.

Further, the adjusting mechanism 3 comprises a housing 34 fixedly connected to the upper surface of the housing 1, third bearings are clamped to the left and right side surfaces of the inner wall of the housing 34, a third rotating shaft 35 is sleeved outside the third bearings, a hand wheel 36 is fixedly connected to the right end of the third rotating shaft 35, a threaded column 37 is fixedly connected to the outer surface of the third rotating shaft 35, a threaded cap 38 is connected to the outer side of the threaded column 37 in a threaded manner, a first rack 311 is fixedly connected to the back surface of the threaded cap 38 through a connecting piece, a second slider 310 is fixedly connected to the back surface of the first rack 311, the second slider 310 is slidably connected to the back surface of the inner wall of the housing 34, a first gear 39 is engaged with the front surface of the first rack 311, a second rotating shaft 32 is fixedly connected to the lower surface of the first gear 39, the second rotating shaft 32 is sleeved in a second bearing clamped to the upper surface of the housing, the first bearing is internally sleeved with a first rotating shaft 31, the right end of the first rotating shaft 31 and the bottom end of the second rotating shaft 32 are both fixedly connected with bevel gears 33, the two bevel gears 33 are mutually meshed, the left end of the first rotating shaft 31 is fixedly connected with an L-shaped plate 21, and by arranging an adjusting mechanism 3, wherein, when the hand wheel 36 rotates, the threaded column 37 can be driven to rotate, so that the threaded column 37 can drive the first rack 311 to move, the first rack 311 can drive the first gear 39 to rotate, so that the forward and reverse rotation of the first gear 39 can control the forward and reverse rotation of the second rotating shaft 32, the angle of the cutting wheel 25 can be effectively adjusted by the two bevel gears 33 and the first rotating shaft 31, so that weeds on the slope can be well trimmed, and by arranging the second sliding block 310 and the second sliding chute, under the action of which the first rack 311 can move stably along the track without affecting the angular adjustment of the cutting wheel 25.

Further, the extrusion mechanism 5 comprises a pressing plate 53 attached to the lower surface of the positioning shell 51, the lower surface of the pressing plate 53 is uniformly and fixedly connected with a plurality of cutters 52 from left to right, inserting plates 511 are fixedly connected to the front side and the rear side of the upper surface of the pressing plate 53, the inserting plates 511 penetrate through inserting holes formed in the lower surface of the positioning shell 51 and extend into the positioning shell 51, a partition plate is fixedly connected to the lower surface of the inner wall of the positioning shell 51, clamping plates 57 are fixedly connected to the front side and the rear side of the partition plate through a plurality of springs 58, a plurality of inserting rods 510 are uniformly and fixedly connected to the far side of the two clamping plates 57 from left to right, the inserting rods 510 are inserted into the inserting grooves, the inserting grooves are respectively formed in the opposite surfaces of the two inserting plates 511, third sliding blocks 59 are fixedly connected to the left side and the right side of the lower surface of the clamping plates 57, the third, the two clamping plates 57 are positioned on the inner side of the U-shaped plate 56, the right side surface of the U-shaped plate 56 is fixedly connected with the push plate 54 through the slide rod 55, the push plate 54 is positioned in a hole groove formed in the right side surface of the positioning shell 51, the slide rod 55 is sleeved in a slide sleeve clamped on the left side surface of the inner wall of the positioning shell 51, through the arrangement of the extrusion mechanism 5 and the hydraulic cylinder 4, the hydraulic cylinder 4 can extend and drive the extrusion mechanism 5 to move downwards when working, at the moment, the extrusion mechanism 5 can extrude weeds, so that the weeds can be extruded together, meanwhile, the weeds can be dewatered, and the subsequent taking-out treatment is facilitated, wherein the push plate 54 is pushed to extrude through the slide rod 55 to drive the U-shaped plate 56 to move leftwards, at the moment, the U-shaped plate 56 can extrude the two clamping plates 57, the two clamping plates 57 can, the cutter 52 and the pressing plate 53 can be replaced, and the influence of abrasion of the cutter 52 and the pressing plate 53 on use is avoided.

Further, the sweeping mechanism 7 comprises side plates fixedly connected to the front and rear sides of the left side surface of the housing 1, a fixed shaft 71 is rotatably connected between the two side plates, a plurality of sweeping plates 72 are fixedly connected to the outer side of the fixed shaft 71, the two ends of the fixed shaft 71 are fixedly connected with first driving wheels 73, the front side surface and the rear side surface of the inner wall of the shell 1 are respectively and rotatably connected with wheels 75, the far surfaces of the two wheels 75 are respectively and fixedly connected with third driving wheels, the first driving wheels 73 and the third driving wheels are in transmission connection through a first belt 74, and through the arrangement of the material sweeping mechanism 7, wherein wheel 75 can drive the third drive wheel removal when rotatory, and the third drive wheel drives first drive wheel 73 through first belt 74 and rotates, and first drive wheel 73 drives through fixed axle 71 and sweeps flitch 72 rotatory, sweeps flitch 72 and can push all the forage that cut to the scraper bowl 6 on, can be carried to in the shell 1 under the effect of scraper bowl 6.

Further, the material conveying mechanism 8 comprises a groove formed in the lower surface of the inner wall of the shell 1, a plurality of driving rollers 89 are arranged in the groove, two ends of the driving rollers 89 are rotatably connected in the groove and respectively penetrate into the two cavities, the cavities are formed in the shell 1, two ends of the driving rollers 89 are fixedly connected with second driving wheels 88, the second driving wheels 88 are in transmission connection through a second belt 87, the far surfaces of the front and rear second driving wheels 88 are fixedly connected with a second gear 83, the lower side of the second gear 83 is meshed with a second rack 84, the right end of the second rack 84 is fixedly connected with the right side surface of the inner wall of the cavity through a spring rod 85, the left end of the second rack 84 is fixedly connected with a fixed rope 82, the other end of the fixed rope 82 bypasses a winding rod 81, penetrates through a guide sleeve 86 and is fixedly connected with the lower surface of the pressing plate 53, the winding rod 81 and the guide sleeve 86 are fixedly connected in the cavities, the lower surface of the shell 1 is uniformly provided with a plurality of water filtering holes 810, through the arrangement of the material conveying mechanism 8, when the pressing plate 53 moves upwards, one end of the fixed rope 82 can be pulled, the other end of the fixed rope 82 can be pulled, the second rack 84 can be pulled to move leftwards, the second rack 84 can drive the second gear 83 to rotate, the second gear 83 drives the second driving wheel 88 to rotate at the moment, the plurality of driving rollers 89 rotate under the action of the second belt 87, so that the weeds can be driven to move to form a gathering effect, the extruded weeds are conveyed out through the through hole 10, automatic material discharging is completed, subsequent material taking of workers is not needed, the work of workers is greatly facilitated, when the pressing plate 53 moves downwards, the fixed rope 82 is not pulled any more, at the moment, the spring rod 85 pulls the second rack 84 to move rightwards to an initial position through self elastic force contraction, and the weeds are conveniently extruded, by arranging the water filtering holes 810, water in the weeds can be completely filtered under the action of the water filtering holes 810, and efficient treatment of the weeds is completed.

The working principle is as follows: when grass is to be mowed, a worker controls the shell 1 to move and adjust the position of the cutting wheel 25 through the handle 9, wherein the hand wheel 36 can drive the threaded column 37 to rotate when rotating, so that the threaded column 37 can drive the first rack 311 to move, the first rack 311 can drive the first gear 39 to rotate, so that the first gear 39 can control the second rotating shaft 32 to rotate in the forward and reverse directions when rotating, the angle of the cutting wheel 25 can be effectively adjusted under the action of the two bevel gears 33 and the first rotating shaft 31, the motor can drive the cutting wheel 25 to rotate when working, so that the quick cutting treatment can be carried out on grass sod, weeds on a slope can be well trimmed, in the process of pushing the wheel 75 to move, the wheel 75 can drive the third driving wheel to move through the first belt 74, the first driving wheel 73 drives the sweeping plate 72 to rotate through the fixed shaft 71, sweep flitch 72 and can all promote the scraper bowl 6 with the forage under the cutting on, can be carried to in the shell 1 under the effect of scraper bowl 6, pneumatic cylinder 4 during operation can extend and drive the 5 downstream of extrusion mechanism, the extrusion mechanism 5 can extrude weeds this moment, thereby can be in the same place the weeds extrusion, can dewater weeds simultaneously, can stimulate the one end of fixed rope 82 when clamp plate 53 rebound, the other end of fixed rope 82 can stimulate second rack 84 and move left, second rack 84 can drive second gear 83 rotatory, second gear 83 drives the rotation of second drive wheel 88 this moment, a plurality of driving rollers 89 are rotatory under the effect of second belt 87, thereby can drive weeds and remove and form the effect of gathering together, and will be carried out by the weeds that are extruded together through-hole 10, accomplish automatic row material.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A grass cutting device for forestry, comprising a housing (1), characterized in that: the upper surface of the shell (1) is provided with an adjusting mechanism (3), the left end of the adjusting mechanism (3) is fixedly connected with a mowing mechanism (2), an extrusion mechanism (5) is arranged in the shell (1), the upper surface of the extrusion mechanism (5) is fixedly connected with the bottom end of a hydraulic cylinder (4), the hydraulic cylinder (4) is fixedly connected with the right side surface of the shell (1), the outer surface of the shell (1) is fixedly connected with a handle (9), a clinker mechanism is arranged in the lower surface of the shell (1), the left side surface and the right side surface of the shell (1) are respectively provided with a bucket (6) and a through hole (10), the outer side of the shell (1) is provided with a sweeping mechanism (7), the sweeping mechanism (7) is positioned on the left side of the shell (1), the mowing mechanism (2) comprises an L-shaped plate (21) fixedly connected with the left end of a first rotating shaft (31), and the right, a first sliding block (23) is connected in the first sliding groove in a sliding manner, a protective shell (24) is fixedly connected to the left side face of the first sliding block (23), two motors are arranged in the protective shell (24), output shafts of the motors penetrate through the lower surface of the protective shell (24) and are fixedly connected with cutting wheels (25), the left side face and the right side face of the upper surface of the protective shell (24) are fixedly connected with the upper surface of the inner wall of the L-shaped plate (21) through electric push rods (22), an adjusting mechanism (3) comprises a shell (34) fixedly connected to the upper surface of the shell (1), third bearings are clamped on the left side face and the right side face of the inner wall of the shell (34), a third rotating shaft (35) is sleeved on the outer side of each third bearing, a hand wheel (36) is fixedly connected to the right end of the third rotating shaft (35), a threaded column (37) is fixedly connected, the back of the threaded cap (38) is fixedly connected with a first rack (311) through a connecting piece, the back of the first rack (311) is fixedly connected with a second sliding block (310), the second sliding block (310) is connected to the back of the inner wall of the shell (34) in a sliding manner, the front of the first rack (311) is meshed with a first gear (39), the lower surface of the first gear (39) is fixedly connected with a second rotating shaft (32), the second rotating shaft (32) is sleeved in a second bearing clamped on the upper surface of the shell (1), the left side surface of the shell (1) is clamped with a first bearing, a first rotating shaft (31) is sleeved in the first bearing, bevel gears (33) are fixedly connected to the right end of the first rotating shaft (31) and the bottom end of the second rotating shaft (32), the two bevel gears (33) are mutually meshed, an L-shaped plate (21) is fixedly connected to the left end of the first rotating shaft (31), the extrusion mechanism (5) comprises a pressing plate (53, the lower surface of the pressing plate (53) is turned right from a left side and is evenly fixedly connected with a plurality of cutters (52), the front side and the rear side of the upper surface of the pressing plate (53) are fixedly connected with inserting plates (511), the inserting plates (511) penetrate through the inserting holes formed in the lower surface of the positioning shell (51) and extend into the positioning shell (51), the lower surface of the inner wall of the positioning shell (51) is fixedly connected with a partition plate, the front side and the rear side of the partition plate are respectively provided with a plurality of spring (58) fixedly connected with clamping plates (57), the far-away surfaces of the two clamping plates (57) are turned right from a left side and are evenly fixedly connected with a plurality of inserting rods (510), the inserting rods (510) are inserted into the inserting grooves, the inserting grooves are respectively arranged on the opposite surfaces of the two inserting plates (511), the material sweeping mechanism (7) comprises side plates fixedly connected with the front side and the rear side of the shell (1), the material conveying mechanism (8) comprises a groove arranged on the lower surface of the inner wall of the shell (1), a plurality of driving rollers (89) are arranged in the groove, two ends of the driving rollers (89) are rotatably connected in the groove and respectively penetrate into two cavities, the cavities are arranged in the shell (1), two ends of the driving rollers (89) are fixedly connected with second driving wheels (88), the second driving wheels (88) are in transmission connection through second belts (87), far surfaces of the front and back second driving wheels (88) are fixedly connected with second gears (83), the lower sides of the second gears (83) are meshed with second racks (84), and the right ends of the second racks (84) are fixedly connected with the right side surfaces of the inner walls of the cavities through spring rods (85), the left end of the second rack (84) is fixedly connected with a fixed rope (82), and the other end of the fixed rope (82) bypasses the winding rod (81), penetrates through the guide sleeve (86) and is fixedly connected with the lower surface of the pressure plate (53).

2. A forestry mowing device according to claim 1, wherein: the equal fixedly connected with third slider (59) of the left and right sides of splint (57) lower surface, third slider (59) sliding connection is at the lower surface of location shell (51) inner wall, the right-hand member of two splint (57) looks distancing planes all sets up to semi-arc, two splint (57) are located U-shaped board (56) inboardly, slide bar (55) fixedly connected with push pedal (54) are passed through to the right flank of U-shaped board (56), push pedal (54) are located location shell (51) right flank and set up the hole inslot, slide bar (55) cover is established in the sliding sleeve of location shell (51) inner wall left surface joint.

3. A forestry mowing device according to claim 1, wherein: the winding rod (81) and the guide sleeve (86) are fixedly connected in the cavity, and a plurality of water filtering holes (810) are uniformly formed in the lower surface of the shell (1).

4. A forestry mowing device according to claim 1, wherein: the two ends of the fixed shaft (71) are fixedly connected with first driving wheels (73), the front side surface and the rear side surface of the inner wall of the shell (1) are rotatably connected with wheels (75), and the far surfaces of the two wheels (75) are fixedly connected with third driving wheels.

5. A grass cutting apparatus for forestry as claimed in claim 1, wherein the first drive wheel (73) is in driving connection with the third drive wheel via a first belt (74).