CN108934800B - Transverse root cutting device for typical grazing degraded leymus chinensis in grassland area - Google Patents
Transverse root cutting device for typical grazing degraded leymus chinensis in grassland area Download PDFInfo
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- CN108934800B CN108934800B CN201810055068.8A CN201810055068A CN108934800B CN 108934800 B CN108934800 B CN 108934800B CN 201810055068 A CN201810055068 A CN 201810055068A CN 108934800 B CN108934800 B CN 108934800B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/10—Pre-cultivated sod or turf; Apparatus therefor
- A01G20/12—Apparatus for cutting sods or turfs
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B45/00—Machines for treating meadows or lawns, e.g. for sports grounds
- A01B45/02—Machines for treating meadows or lawns, e.g. for sports grounds for aerating
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Abstract
The invention discloses a transverse root cutting device for typical grazing degraded leymus chinensis in grassland areas, which is provided with an inserted cutter reciprocating along the vertical direction, can perform root cutting operation along the direction vertical to the advancing direction of the device, and does not delay the normal advancing of the device, in particular, a crawler belt is arranged on a walking big wheel of the device, the crawler belt laid on the ground between a front wheel and a rear wheel is static relative to the ground, so the inserted cutter can move on the crawler belt and perform cutting operation, a longitudinal rod for controlling the moving track of a self-propelled cutting device is also arranged in the device, so as to limit the advancing direction of the cutter and a self-propelled cutting part thereof, and prevent the cutter from deviating from the preset direction/track under the condition of uneven road surface and the like, in addition, the device also comprises a walking small wheel, and the crawler belt is fully pressed by the walking small wheel, the crawler belt is smoother, and the adaptability to uneven road surfaces is further enhanced.
Description
Technical Field
The invention belongs to the technical field of grassland ecological management and restoration, and particularly relates to a transverse root cutting device for grazing degenerated leymus chinensis in a typical grassland area.
Background
China has rich grassland resources, nearly 4 hundred million square hectares of various natural grasslands, occupies 41.7 percent of the area of the national soil, is respectively 3.2 times and 2.5 times of the area of ploughed land and forest, and occupies the first of other land resources in the total amount and per capita of grassland resources.
However, as of 2007, about 20% of available grasslands in the country have implemented the protection measures of grazing forbidding, grazing and grazing in a grazing area rotation, but the phenomenon of "tri-transformation" (degeneration, desertification and salinization) of the grasslands is serious due to the warming of the climate, the reduction of rainfall, the long-term overload grazing and the artificial damage.
According to the monitoring of Ministry of agriculture, the unit yield of hay on natural grassland in China is reduced from 900 kilograms per square hectare in the middle of 80 years in the last century to 760 kilograms per square hectare in 2007, the animal carrying capacity is only 0.59 per square hectare on average (about 10 per square hectare in New Zealand), and people in China have recognized the severity of the problem and have taken active measures to save and control the grassland, wherein the common treatment method for the highest quality and largest area of the common grass community is root cutting treatment, namely mechanical equipment is utilized to cut off the complex root system of the alternate disc root of the common grass in the soil, and hardened soil is broken, so that the air permeability of the soil is restored, and the soil is improved towards the direction beneficial to the growth of vegetation;
in the prior art, in order to complete the work, a rotary cutter is generally selected, the rotating direction of the rotary cutter is consistent with the advancing direction of locomotives such as tractors, and a plurality of parallel trace lines are finally left on the grassland, for example, a Chinese patent with the application number of 200910137581.2 named as a method for improving hardened deteriorated grasslands and special spring teeth, a Chinese patent with the application number of 201110353361.0 named as a compound improvement method for deteriorated grasslands and a special grassland operation machine, a Chinese patent with the application number of 201210581050.4 named as a grassland root cutting, fertilizing and reseeding operation machine, and the like; in the schemes described in the prior art documents, as the cutter rotates, soil is brought out more or less in the actual working process, and the phenomena of upturning, soil throwing and the like can be caused if the cutter meets some special geological areas, so that the grass soil is greatly disturbed, and grass vegetation damage and grass soil desertification are easily caused;
in addition, according to the above-described prior art solutions, the cuts of the root are extended only in one direction, are parallel to each other, and are not cut in a plurality of directions during one stroke of the cutting machine, and the effect of the root cutting is to be improved.
In patent document 2017109652502, entitled root cutting device for grazing degraded leymus chinensis grassland in typical grassland area, which is previously applied by the applicant, a device capable of transversely cutting roots is described, and some defects are found in practical application of the device, in the device, a self-propelled cutting part is limited only by matching relation between a roller and a groove on a track when in work, in practical use, the self-propelled cutting device is always flushed out of a groove track due to unevenness of a road surface, an electromagnet is powered on to be started in an emergency mode, the self-propelled cutting device is fixed at the bottom of a main body frame, accordingly, the overall working progress of the device is slowed down, and the device is always subjected to emergency stop due to influence of the road surface condition, namely, the device has weak adaptability to the uneven road surface, and the production cost is too high.
For the above reasons, the present inventors have made intensive studies on the existing root cutting apparatus in order to devise a lateral root cutting device for deteriorated sheep grass grazing in a typical grassland area capable of receiving the above problems, and performing root cutting not only in the longitudinal direction but also in the lateral direction.
Disclosure of Invention
In order to overcome the above problems, the present inventors have conducted intensive studies to design a transverse root cutting device for typical grazing degraded leymus in grassland areas, which has an insertion type cutter reciprocating in a vertical direction, is capable of performing a root cutting operation in a direction perpendicular to a traveling direction of the device, and does not delay normal traveling of the device, and more particularly, a crawler belt is provided on a traveling wheel of the device, the crawler belt laid on the ground between front and rear wheels is stationary with respect to the ground, the insertion type cutter is installed on the crawler belt, so that the insertion type cutter can be stationary with respect to the ground when the whole device travels forward, although the stationary time thereof is short, it is sufficient to perform a root cutting operation, the traveling speed of the insertion type cutter is higher than the traveling speed of the whole device, so that the insertion type cutter can stop traveling several times, and performing a root cutting operation, wherein a longitudinal bar controlling a moving track of the self-propelled cutting apparatus is further provided to define a traveling direction of the cutter and the self-propelled cutting portion where the cutter is located, and to prevent the cutter from deviating from a predetermined direction/track in case of an uneven road surface or the like, and further, the apparatus further includes a traveling wheel, the traveling wheel sufficiently presses the crawler belt, so that the crawler belt is more flat, and adaptability to the uneven road surface is further enhanced, thereby completing the present invention.
Specifically, the invention aims to provide a transverse root cutting device for typical grazing degraded sheep grass in a grassland area, which comprises a main body frame 1, two walking large wheels 2 respectively arranged at two sides below the main body frame 1,
the device also comprises at least two crawler belts 3 which are tightly supported by the walking big wheel 2;
wherein, a self-walking cutting part 4 is arranged between the two walking large wheels 2 at the inner side of the crawler 3;
two longitudinal bars 6 are provided below the main body frame 1, and the self-propelled cutting portion 4 reciprocates on the crawler 3 along the longitudinal bars 6;
the device also comprises a small walking wheel 21 positioned at the inner side of the crawler belt, the small walking wheel 21 and the big walking wheel 2 bear the weight of the main body frame 1 together,
the self-propelled cutting portion 4 includes a cutting holder 41, and the cutting holder 41 is provided with a cutter 5 and a cutter driving portion 9 for controlling the cutter 5 to reciprocate in a vertical direction.
The width of the small walking wheel is less than half of the width of the crawler;
the small traveling wheel 21 and the self-traveling cutting section 4 are simultaneously mounted on the crawler 3.
Wherein, the cutting bracket 41 is also provided with a knife rest 8, the cutting knives 5 are arranged side by side and fixed at the bottom of the knife rest 8, and the cutting knives 5 move in a reciprocating way along with the knife rest 8 in the vertical direction,
a sliding rod 81 is arranged above the tool rest 8, a sliding way 82 for accommodating the sliding rod 81 is arranged on the cutting support 41, the sliding way is cylindrical, the inner diameter of the sliding way 82 is larger than or equal to the outer diameter of the sliding rod 81, and the sliding rod 81 can slide in the sliding way 82 in a reciprocating manner.
Wherein, a vertical driving rod 85 is also arranged on the tool rest 8,
a rack 86 is provided on the drive lever 85;
the tool drive unit 9 includes a drive motor, and a gear 87 engaged with the rack 86 is provided on the drive motor.
Wherein, at least two rollers 42 are respectively arranged at two sides below the cutting bracket 41,
an annular groove 31 is arranged on the inner side of the crawler 3,
one end of the roller 42 is fitted into the annular notch 31 and can roll along the annular notch 31.
A limiting ring 7 is arranged on the upper side part of the cutting support 41, the limiting ring 7 is coated outside the longitudinal rod 6, and the size of the inner ring of the limiting ring 7 is larger than the outer diameter of the longitudinal rod 6;
when the self-propelled cutting portion 4 travels forward on the crawler 3, the retainer ring 7 moves forward relative to the longitudinal rod 6.
Wherein, a driving mechanism for driving the roller 42 to roll along the annular groove 31 is arranged on the cutting bracket 41,
an induction device 71 is arranged in the middle of the limiting ring 7,
a cutting sensing contact 61 is arranged in the middle of the longitudinal bar 6,
the sensing device 71 is used for controlling the self-propelled cutting part 4 to stop moving through the driving mechanism and controlling the cutter 5 to vertically cut off the rhizome of the leymus chinensis when sensing the cutting sensing contact 61;
after the cutting operation is completed, the driving mechanism can control the self-propelled cutting portion 4 to continue moving forward along the annular slit 31.
Wherein, a brake sensing contact point 62 is arranged at the front end of the longitudinal rod 6,
the sensing device 71 is further configured to sense a distance between itself and the braking sensing contact 62, and when the distance is smaller than a preset front guard value, the self-propelled cutting portion 4 is controlled to stop.
Wherein, a forward induction contact 63 is arranged at the rear end of the longitudinal rod 6,
the sensing device 71 is further configured to sense a distance between itself and the forward moving sensing contact 63, and when the distance is smaller than a preset rear warning value, the self-propelled cutting portion 4 is controlled to move forward in an accelerated manner.
Two longitudinal rods 6 are respectively arranged at two sides of the self-propelled cutting part 4, and the longitudinal rods 6 are connected with the main body frame 1 through retractable hydraulic rods 64;
when the hydraulic rod 64 is contracted, the stopper ring 7 is lifted by the longitudinal rod 6, and the self-propelled cutting unit 4 is moved upward as a whole, so that the roller 42 is disengaged from the annular slit 31.
The invention has the advantages that:
(1) according to the transverse root cutting device for the typical grazing degraded leymus chinensis in the grassland area, which is provided by the invention, the cutter capable of vertically cutting the leymus chinensis is arranged, can be arranged along any direction, and can perform root cutting operation under the condition of no stopping;
(2) the transverse root cutting device for the typical grazing degraded leymus chinensis in the grassland area is provided with the crawler belt, and a gap is reserved between the large walking wheels in the crawler belt so as to place equipment for cutting;
(3) according to the transverse root cutting device for typical grazing degraded leymus chinensis in the grassland area, which is provided by the invention, the hydraulic rod is arranged, so that the cutting operation equipment can be pulled out from the crawler belt and separated from the crawler belt, and the cutting operation equipment cannot be damaged when the device with the crawler belt performs special operations such as steering and the like;
(4) according to the transverse root cutting device for the typical grazing degraded leymus chinensis in the grassland area, which is provided by the invention, the small walking wheels are arranged, so that the flatness of the crawler belt can be ensured, the self-walking cutting part can walk on the flat crawler belt, and the root cutting quality is improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a transverse root cutting apparatus for grazing degenerated sheep grass in a typical grassland area according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing a typical transverse root cutting apparatus for grazing degraded sheep grass in a grassland area, with small walking wheels removed as a whole, according to a preferred embodiment of the present invention;
FIG. 3 is an enlarged partial cross-sectional view of the roller contacting the annular notch of a typical transverse root cutting device for grazing degraded sheep grass in a grassland area according to a preferred embodiment of the present invention;
FIG. 4 illustrates a top cross-sectional view of the self-propelled cutting portion position in a lateral root cutting apparatus for grazing degraded sheep grass in a typical grassland area, in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic view showing a cutting frame and a cutter driving part and a cutter thereon in a transverse root cutting device for grazing degraded sheep grass in a typical grassland area according to a preferred embodiment of the present invention;
figure 6 shows a cross-sectional view at the longitudinal rod and stop collar of a transverse root cutting device for grazing degraded sheep grass in a typical grassland area, according to a preferred embodiment of the present invention.
Fig. 7 shows a detail of fig. 5, namely at the drive shaft and the gear
The reference numbers illustrate:
1-main body frame
2-big walking wheel
3-track
31-ring shape notch
4-self-propelled cutting part
41-cutting holder
42-roller
5-cutting knife
6-longitudinal bar
61-cutting inductive contact
62-brake sensing contact
63-Forward sensing contact
64-Hydraulic rod
7-limiting ring
71-induction device
8-knife rest
81-sliding bar
82-slideway
83-upper limiting block
84-lower limit block
85-driving rod
86-rack
87-gear
9-tool drive
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the invention, a transverse root cutting device for grazing degenerated leymus chinensis in a typical grassland area is provided, as shown in figure 1, the device comprises a main body frame 1, at least two walking large wheels 2 are respectively arranged at two sides below the main body frame 1,
the device also comprises at least two crawler belts 3 which are tightly supported by the walking big wheel 2; the four walking large wheels are preferably arranged in the grass field tractor and divided into two groups, two crawler belts are respectively supported tightly, and further preferably, the crawler belts are rubber crawler belts to avoid the situation that the grass field is crushed by the tractor body due to overweight;
wherein, inside the crawler 3, a self-propelled cutting part 4 is arranged between the two big walking wheels 2, as shown in fig. 1 and 2;
the device also comprises a small walking wheel 21 positioned on the inner side of the crawler belt, preferably, the small walking wheel 21 and the large walking wheel 2 bear the weight of the main body frame 1 together, and the lowest ends of the small walking wheel 21 and the large walking wheel 2 are positioned on the same horizontal plane; further preferably, the width dimension of the small walking wheel is less than half of the value of the width dimension of the track, as shown in fig. 4;
the self-propelled cutting part 4 runs on the crawler 3, and is provided with a cutter 5, and the cutter 5 can be controlled to vertically cut off the rhizome of the leymus chinensis. The self-propelled cutting unit 4 can travel only in a linear direction along the crawler direction.
Two longitudinal bars 6 are arranged under the main frame 1, the self-propelled cutting part 4 can reciprocate along the longitudinal bars 6, and preferably, the self-propelled cutting part can only travel forwards, and because the longitudinal bars are connected with the main frame, when the self-propelled cutting part stops, the longitudinal bars can still travel forwards, so that the self-propelled cutting part moves backwards relative to the longitudinal bars.
In a preferred embodiment, as shown in fig. 1, 2, 3, 4 and 5, the self-propelled cutting portion 4 includes a cutting support 41,
at least two rollers 42 are respectively arranged at two sides below the cutting bracket 41, preferably, the number of the rollers 42 is 4, and two rollers are arranged at each side;
an annular groove 31 is provided inside the crawler 3, the annular groove 31 is opened along the traveling direction of the crawler,
one end of the roller 42 is inserted into the annular notch 31 and can roll along the annular notch 31, because the part of the crawler belt which is laid on the ground is long-strip-shaped, the annular notch 31 on the part of the crawler belt which is laid on the ground is also long-strip-shaped, and the self-propelled cutting part 4 moves on the part of the crawler belt which is laid on the ground all the time, the roller 42 on the part of the crawler belt naturally rolls in the annular notch 31 on the part of the crawler belt all the time.
Further preferably, the small traveling wheel 21 is located outside the annular notch 31, and a predetermined gap is left between the small traveling wheel 21 and the annular notch 31, as shown in fig. 4, the small traveling wheel 21 is used for pressing the crawler belt, so that the crawler belt, especially the crawler belt below the small traveling wheel, is more flat, and the small traveling wheel 21 does not interfere with the reciprocating traveling of the self-propelled cutting portion.
Preferably, a limiting ring 7 is arranged on the upper side part of the cutting support 41, the limiting ring 7 covers the outside of the longitudinal rod 6, and the size of the inner ring of the limiting ring 7 is larger than the outer diameter of the longitudinal rod 6; the stop collar may be formed from two parts which are joined together to facilitate the insertion of the longitudinal rod into the stop collar 7. The stop collar has sufficient strength, can lift from walking cutting portion through the stop collar.
When the self-propelled cutting portion 4 travels forward on the crawler 3, the retainer ring 7 moves forward relative to the longitudinal rod 6.
Further preferably, as shown in fig. 6, in normal operation, the stop collar is not in contact with the longitudinal rod 6 therein, the longitudinal rod 6 being located in the center of the stop collar.
In a preferred embodiment, as shown in fig. 3, the width dimension of the annular gap 31 gradually increases from the inside to the outside; namely, the cross section of the annular slot 31 is a concave structure with a larger opening at the upper end and an inward furled lower end;
the thickness of the roller 42 is gradually reduced from the axial center to the edge, and the gradual change range of the roller is matched with the annular notch 31;
preferably, the depth dimension of the annular gap is smaller than the radius dimension of the roller 42, that is, only a small half of the roller extends into the annular gap, and the rolling axis of the roller is exposed outside.
In a preferred embodiment, as shown in fig. 1 and 2, a driving mechanism for driving the roller 42 to roll along the annular notch 31 is mounted on the cutting holder 41,
an induction device 71 is arranged in the middle of the limiting ring 7,
a cutting induction contact 61 is arranged in the middle of the longitudinal rod 6, and the induction device 71 is used for controlling the self-propelled cutting part 4 to stop moving through the driving mechanism and controlling the cutter 5 to vertically cut off the rhizome of the leymus chinensis downwards when the cutting induction contact 61 is induced;
wherein the sensing device 71 can sense the cutting sensing contact 61 only when the sensing device 71 and the cutting sensing contact 61 are close to each other.
After the cutting operation is completed, the driving mechanism can control the self-propelled cutting portion 4 to continue moving forward along the annular slit 31. The cutting operation refers to a reciprocating process that the cutter vertically cuts off the rhizome of the leymus chinensis downwards and then quickly returns to the original position. The induction device 71 and the cutting induction contact 61 are common devices in the industrial control field, and can have various working principles, and are preferably arranged as infrared sensors, namely one is used for receiving and transmitting infrared rays, the other is used for reflecting the infrared rays, and the information of the two can be received only when the two are opposite in front;
in the present invention, the front is a traveling direction in normal operation, and this direction is also referred to as front as shown in fig. 1 and 2.
In a preferred embodiment, as shown in fig. 1, 2, at the front end of said longitudinal bar 6 there is provided a braking induction contact 62,
the sensing device 71 is also used for sensing the distance between the self-propelled cutting part 4 and the braking sensing contact 62, and when the distance is smaller than a preset front warning value, controlling the self-propelled cutting part 4 to stop,
and when the distance is larger than a preset front warning value, controlling the self-propelled cutting part 4 to move forwards at a reduced speed. The sensing device 71 and the brake sensing contact 62 are common devices in the industrial control field, and can have various working principles, and are preferably arranged as infrared sensors, namely, one is used for receiving and transmitting infrared rays and the other is used for reflecting the infrared rays;
the front warning value can be set according to the model of the equipment and the preset advancing speed, such as 30-40 cm;
preferably, the self-propelled cutting part 4 has more than 2 gears, the traveling speeds corresponding to different gears are different, the gears of the self-propelled cutting part 4 correspond to the gears of the root cutting device provided by the invention, and at least the number of the gears is kept consistent; under the same gear, the advancing speed of the self-propelled cutting part 4 is higher than that of the root cutting device provided by the invention.
Further preferably, the main body frame 1 is further provided with a mechanical stopper device near the brake sensing contact 62, the mechanical stopper device being provided in front of the moving path of the self-propelled cutting unit 4, and the mechanical stopper device being capable of physically preventing the self-propelled cutting unit 4 from colliding with the travelling large wheel.
In a preferred embodiment, as shown in fig. 1 and 2, a forward motion sensing contact 63 is provided on the main body frame 1 behind the self-propelled cutting part 4,
the sensing device 71 is further configured to sense a distance between itself and the forward moving sensing contact 63, and when the distance is smaller than a preset rear warning value, the self-propelled cutting portion 4 is controlled to move forward at an accelerated speed.
The speed reduction and acceleration in the invention refer to reducing or increasing a gear.
The forward sensing contact 63 and the sensing device 71 are common devices in the industrial control field, and can have various working principles, and are preferably arranged as infrared sensors, namely, one is used for receiving and transmitting infrared rays, and the other is used for reflecting infrared rays.
Further preferably, when the self-propelled cutting portion 4 moves forward with acceleration, if the distance between the sensor 71 and the forward travel sensing contact 63 cannot be reduced, the hydraulic rod 64 is retracted, the self-propelled device is pulled up, and the operator is notified. Namely, the current state of the automatic traveling device in the pulled-up state is displayed on the operation panel of the cutting device.
In a preferred embodiment, as shown in fig. 1 and 2, the longitudinal bar 6 has two bars, which are respectively located at two sides of the self-propelled cutting part 4, and the longitudinal bar 6 is connected with the main body frame 1 through a retractable hydraulic bar 64;
when the hydraulic rod 64 is contracted, the stopper ring 7 is lifted by the longitudinal rod 6, and the self-propelled cutting unit 4 is moved upward as a whole, so that the roller 42 is disengaged from the annular slit 31. The hydraulic rod 64 is arranged, so that the self-propelled cutting part 4 can be separated from the annular notch of the crawler belt at any time, and the safe and stable operation of the whole equipment is ensured.
In a preferred embodiment, as shown in fig. 5 and 7, a tool holder 8 is provided on the cutting support 41, the cutting blades 5 are arranged side by side and fixed at the bottom of the tool holder 8, and the cutting blades 5 reciprocate in the vertical direction along with the tool holder 8, and more preferably, the cutting blades 5 and the tool holder 8 are integrated.
Knife rest 8 top is provided with slide bar 81 be provided with the slide 82 that holds slide bar 81 on the cutting support 41, the slide is cylindricly, the internal diameter size of slide 82 is greater than or equal to slide bar 81's external diameter size, slide bar 81 can be in slide 82 reciprocal slip, and slide bar 81 and slide 82 are all vertical settings, are provided with lubricating oil between slide bar and slide. Preferably, two or 4 sliding rods 81 and 4 sliding ways 82 are respectively arranged;
in a preferred embodiment, as shown in fig. 5, on the cutting holder 41, above the tool holder 8 is provided an upper limit block 83,
a lower limit block 84 is provided on the cutting holder 41 below the tool holder 8,
the vertical slide travel of the tool holder 8 is limited by an upper stop block 83 and a lower stop block 84. The upper limit block 83 and the lower limit block 84 are both physical limit and hard limit, and in the normal working process of the cutter frame and the cutter, the upper limit block 83 and the lower limit block 84 are both ineffective, so that the cutter frame can be controlled by the number of rotation turns of the motor not to touch the upper limit block 83 and the lower limit block 84 in the up-and-down moving process; the upper limiting block 83 and the lower limiting block 84 are arranged to limit the trend of the cutter through the upper limiting block 83 and the lower limiting block 84 to prevent accidental damage when the motor fails or other special conditions occur.
In a preferred embodiment, as shown in figures 5 and 7,
a vertical driving rod 85 is further arranged on the tool rest 8, and the driving rod 85 is positioned in the middle of the top of the tool rest;
a rack 86 is provided on the drive lever 85;
the cutter driving part 9 comprises a driving motor, a gear 87 meshed with the rack 86 is arranged on the driving motor, and the driving motor can convert the rotation torque of the motor into the reciprocating torque of the cutter rest in the vertical direction by transmission through the gear and the rack; the tool rest is controlled to move up and down rapidly through the positive rotation and the reverse rotation of the motor, so that the rapid cutting operation of the cutter is completed.
In a preferred embodiment, as shown in fig. 4, a cutter driving part 9 for controlling the cutter 5 to move in the vertical direction is further provided on the cutting support 41, and the cutter driving part 9 is connected with a sensing device 71;
preferably, when the self-propelled cutting portion 4 stops moving under the control of the sensing device 71, the tool driving portion 9 controls the tool 5 to rapidly move downward by a predetermined distance and to rapidly return to the home position.
In the present invention, the tool driving portion 9 may be a driving mechanism commonly used in the art, such as a plunger pump, an electric motor, a pneumatic hammer, etc.
In a preferred embodiment, a rotary cutting portion for cutting along the traveling direction is provided at the front end and/or the rear end of the main body frame 1, and the rotary cutting portion may be a rotary cutting portion in the related art, such as a rotary cutting tool described in the patent document related to the background art.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on an operating state of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The present invention has been described above in connection with preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the invention can be subjected to various substitutions and modifications, and the substitutions and the modifications are all within the protection scope of the invention.
Claims (9)
1. A transverse root cutting device for typical grazing degraded leymus chinensis in a grassland area is characterized by comprising a main body frame (1), two walking large wheels (2) are respectively arranged on two sides below the main body frame (1),
the device also comprises at least two crawler belts (3) which are tightly supported by the large walking wheels (2);
wherein a self-walking cutting part (4) is arranged between the two walking large wheels (2) at the inner side of the crawler (3);
two longitudinal rods (6) are arranged below the main body frame (1), and the self-propelled cutting part (4) reciprocates on the crawler belt (3) along the longitudinal rods (6);
the device also comprises a small walking wheel (21) positioned on the inner side of the crawler belt, the small walking wheel (21) and the big walking wheel (2) bear the weight of the main body frame (1) together,
the self-propelled cutting part (4) comprises a cutting support (41), and a cutter (5) and a cutter driving part (9) for controlling the cutter (5) to reciprocate along the vertical direction are arranged on the cutting support (41);
a limiting ring (7) is arranged on the side part above the cutting support (41), the limiting ring (7) is coated outside the longitudinal rod (6), and the size of the inner ring of the limiting ring (7) is larger than the outer diameter of the longitudinal rod (6);
an induction device (71) is arranged in the middle of the limit ring (7),
a brake sensing contact (62) is arranged at the front end of the longitudinal rod (6),
the sensing device (71) is used for sensing the distance between the sensing device and the braking sensing contact (62), and controlling the self-propelled cutting part (4) to stop when the distance is smaller than a preset front warning value.
2. The lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 1,
the width of the small walking wheel is less than half of the width of the crawler;
the small walking wheel (21) and the self-walking cutting part (4) are simultaneously arranged on the crawler belt (3).
3. The lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 1,
the cutting support (41) is also provided with a tool rest (8), the cutters (5) are arranged side by side and fixed at the bottom of the tool rest (8), and the cutters (5) move in a reciprocating manner along with the tool rest (8) in the vertical direction,
be provided with slide bar (81) above knife rest (8) be provided with slide (82) that hold slide bar (81) on cutting support (41), the slide is cylindricly, the internal diameter size of slide (82) is greater than or equal to the external diameter size of slide bar (81), slide bar (81) can be in slide (82) reciprocal slip.
4. A lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 3,
a vertical driving rod (85) is also arranged on the knife rest (8),
a rack (86) is arranged on the driving rod (85);
the cutter driving part (9) comprises a driving motor, and a gear (87) meshed with the rack (86) is arranged on the driving motor.
5. The lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 1,
at least two rollers (42) are respectively arranged at two sides below the cutting bracket (41),
an annular groove (31) is arranged on the inner side of the crawler (3),
one end of the roller (42) is embedded into the annular groove (31) and can roll along the annular groove (31).
6. The lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 1,
when the self-propelled cutting part (4) walks forwards on the crawler (3), the limiting ring (7) moves forwards relative to the longitudinal rod (6).
7. A lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 5,
a driving mechanism for driving the roller (42) to roll along the annular notch (31) is arranged on the cutting bracket (41),
a cutting induction contact (61) is arranged in the middle of the longitudinal rod (6),
the sensing device (71) is used for controlling the self-propelled cutting part (4) to stop moving through the driving mechanism and controlling the cutter (5) to vertically cut off the rhizome of the leymus chinensis when sensing the cutting sensing contact (61);
after the cutting operation is finished, the driving mechanism can control the self-propelled cutting part (4) to continuously move forwards along the annular notch (31).
8. The lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 1,
a forward induction contact (63) is arranged at the rear end of the longitudinal rod (6),
the sensing device (71) is also used for sensing the distance between the sensing device and the forward moving sensing contact (63), and when the distance is smaller than a preset rear warning value, the self-propelled cutting part (4) is controlled to move forwards in an accelerated manner.
9. A lateral root cutting device for grazing degenerated fescue in a typical grassland area according to claim 5,
two longitudinal rods (6) are respectively arranged at two sides of the self-propelled cutting part (4), and the longitudinal rods (6) are connected with the main body frame (1) through retractable hydraulic rods (64);
when the hydraulic rod (64) contracts, the limiting ring (7) is lifted up through the longitudinal rod (6), the self-propelled cutting part (4) integrally moves upwards, and the roller (42) is separated from the annular notch (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810055068.8A CN108934800B (en) | 2018-01-19 | 2018-01-19 | Transverse root cutting device for typical grazing degraded leymus chinensis in grassland area |
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| CN201810055068.8A CN108934800B (en) | 2018-01-19 | 2018-01-19 | Transverse root cutting device for typical grazing degraded leymus chinensis in grassland area |
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| CN108934800B true CN108934800B (en) | 2021-05-11 |
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| US20060070749A1 (en) * | 2004-09-13 | 2006-04-06 | American-Iowa Manufacturing, Inc. | Turf maintenance device for aeration and vertical cutting of soil |
| CN201107902Y (en) * | 2007-11-15 | 2008-09-03 | 上海创绘机器人科技有限公司 | Intelligent mowing robot structure |
| CN101558718B (en) * | 2009-05-14 | 2012-12-26 | 中国农业大学 | Method for improving hardened deteriorated grassland and special elastic claw type loosener |
| US8974311B2 (en) * | 2010-08-10 | 2015-03-10 | Technology Licensing Corp. | Method and device for installing synthetic turf |
| CN102577672A (en) * | 2012-03-28 | 2012-07-18 | 山西农业大学 | Hydraulic saw type forage grass root cutter |
| EP2966958A4 (en) * | 2013-03-15 | 2016-12-14 | Textron Inc | Tine holding apparatus and method for aearating soil |
| CN204887884U (en) * | 2015-08-18 | 2015-12-23 | 唐军 | Track rotary cultivator |
| CN205408568U (en) * | 2016-03-21 | 2016-08-03 | 马明应 | Lawn mower is used on lawn |
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