Assembled telescopic grass mowing equipment for tractor and grass mowing method

Abstract

The invention discloses assembly type telescopic grass mowing equipment and a grass mowing method for a tractor. The assembly type telescopic grass mowing equipment and the grass mowing method for the tractor comprise a lubricating mechanism, a grass mowing mechanism and a driving mechanism; the invention further discloses a grass mowing method for the tractor assembly type telescopic grass mowing equipment. The grass mowing method comprises the steps that S1, equipment preparation is conducted; s2, a driving mechanism works; s3, the grass mowing mechanism works; s4, power transmission; by means of the mechanism and the method, the grass mowing efficiency and effect can be improved, the device can adapt to weed environments with different heights and densities, impurities on the surface of the hydraulic rod can be effectively removed, the impurities are prevented from entering the driving mechanism, and the reliability and stability of the device are further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and particularly relates to an assembled telescopic grass cutting device and a grass cutting method for a tractor. Background Art

[0002] In agricultural production and the weed cleaning work of various sites, traditional grass cutting devices have many limitations. Common handheld grass trimmers require manual operation, with high labor intensity, low efficiency, and are difficult to handle the weed cleaning tasks in large areas and complex terrains.

[0003] The Chinese Patent Network discloses a vehicle-mounted multi-functional grass cutting device for forestry and gardening. The patent publication number of this invention is "CN116918561B". This invention is provided with cutting blades, so the weeds wound around the outer surface of the outer tube are cut by the moving cutting blades, and during the cutting process, the weeds are blown away by the action of wind after being cut, thus solving the problem that a large amount of weeds will be wound around the connection position between the cutting blade and the machine and are difficult to clean. However, this invention cannot be adjusted in position and height according to the requirements of different sites. At the same time, in terms of lubrication and maintenance, it mostly relies on manual regular addition of lubricating oil and cleaning work, which not only consumes manpower and material resources, but also easily affects the performance of the device due to untimely maintenance. Based on this, the present invention proposes a new assembled telescopic grass cutting device and a grass cutting method for a tractor. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose an assembled telescopic grass cutting device and a grass cutting method for a tractor.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An assembled telescopic grass cutting device and a grass cutting method for a tractor, including a lubrication mechanism, a grass cutting mechanism, and a driving mechanism;

[0007] The upper end of the base is fixedly installed with an adjusting frame, the upper end of the adjusting frame is fixedly installed with a telescopic frame, the upper end of the base is fixedly connected with two groups of support plates, the upper ends of the two groups of support plates are jointly fixedly connected with a top plate, the side walls of the two groups of support plates are jointly fixedly connected with a side plate, the outer wall of the side plate is fixedly connected with two groups of fixing plates, the upper end of the base is rotatably connected with a rotating shaft, the rotating shaft passes through and is rotatably connected with the two groups of fixing plates, two groups of shaft sleeves are sleeved on the outer wall of the rotating shaft, the inside of the base is hollow, and a cutting blade is installed on the inner wall of the base;

[0008] The lubrication mechanism is used to lubricate the driving mechanism;

[0009] The driving mechanism is used to drive the grass cutting mechanism;

[0010] The grass cutting mechanism is used for cutting grass.

[0011] Preferably, the driving mechanism includes an upper ferrule, a lower ferrule, a first connecting block, a first rotating shaft, a hydraulic rod, a hydraulic cylinder, a second connecting block, an upper connecting plate, a lower connecting plate and a second rotating shaft. The upper ferrule is sleeved on the outer wall of the shaft sleeve, and the lower ferrule is sleeved on the outer wall of the shaft sleeve. The first rotating shaft sequentially passes through and is rotatably connected to the upper ferrule, the first connecting block and the lower ferrule. The hydraulic rod is fixedly connected to the first connecting block, and the hydraulic rod is slidably connected to the inner wall of the hydraulic cylinder. One end of the hydraulic cylinder away from the hydraulic rod is fixedly connected to the second connecting block. The upper connecting plate is fixedly connected to the outer wall of the support plate, and the lower connecting plate is fixedly connected to the outer wall of the support plate. The second rotating shaft sequentially passes through and is rotatably connected to the upper connecting plate, the second connecting block and the lower connecting plate.

[0012] Preferably, the grass cutting mechanism includes an upper grass cutting knife group and a lower grass cutting knife group. The upper grass cutting knife group is installed on the outer wall of one of the shaft sleeves, and the lower grass cutting knife group is installed on the outer wall of the other shaft sleeve. A weeding plow is fixedly connected to the outer wall of the base.

[0013] Preferably, a first synchronous pulley is fixedly connected to the outer wall of one of the shaft sleeves. The first synchronous pulley is connected to a second synchronous pulley through a synchronous belt. A first transmission shaft is fixedly connected to the inner wall of the second synchronous pulley. A ratchet gear is fixedly connected to the outer wall of the first transmission shaft. The first transmission shaft is rotatably connected to the top plate.

[0014] Preferably, the ratchet gear meshes with a gear. A second transmission shaft is fixedly connected to the inner wall of the gear. The second transmission shaft is rotatably connected to the top plate. The second transmission shaft passes through and is rotatably connected to a cross plate. A reciprocating lead screw is fixedly connected to the upper end of the second transmission shaft. An upper baffle is fixedly connected to the upper end of the top plate. The upper baffle is fixedly connected to the upper baffle. The cross plate is fixedly connected to the outer wall of the baffle. The upper end of the reciprocating lead screw is rotatably connected to the upper baffle. A lead screw sleeve is threadedly connected to the outer wall of the reciprocating lead screw.

[0015] Preferably, the lubrication mechanism consists of a piston cylinder, a piston rod, an oil inlet pipe, a lubricating oil tank, a lubricating oil pipe. The upper end of the piston rod is fixedly connected to the lead screw sleeve. The piston rod is slidably connected to the inner wall of the piston cylinder. The lower end of the piston cylinder is fixedly connected to the top plate. One end of the oil inlet pipe is fixedly connected to the piston cylinder and the other end is fixedly connected to the lubricating oil tank. One end of the lubricating oil pipe is fixedly connected to the piston cylinder and the other end is fixedly connected to a lubricating ring. The lubricating ring is sleeved on the outer wall of the hydraulic rod.

[0016] Preferably, a connecting rod is fixedly connected to the outer wall of the lubricating ring. One end of the connecting rod away from the lubricating ring is fixedly connected to the hydraulic cylinder. The inside of the lubricating ring is hollow. A plurality of holes are formed in the inner wall of the lubricating ring. A cleaning cloth is fixedly connected to the inner wall of the lubricating ring. The inner wall of the lubricating ring is in contact with the hydraulic rod.

[0017] A mowing method for a towed assembled telescopic mowing device of a tractor uses the above-mentioned towed assembled telescopic mowing device of a tractor and includes the following steps;

[0018] S1. Equipment preparation: The operator transports the towed assembled telescopic mowing device of a tractor to a suitable installation position on the tractor, and uses connecting parts such as bolts and nuts to firmly install the base on the tractor. According to the actual conditions such as the height and terrain of the weeds in the mowing area, the telescopic frame and the adjustment frame are adjusted by operating the hydraulic control device on the telescopic frame or the adjustment bolts on the adjustment frame to change the height and angle of the equipment, so that the upper mowing knife group and the lower mowing knife group are in the best working position.

[0019] S2. The driving mechanism works: Start the tractor. When the tractor is running and moving, start the hydraulic cylinder. The hydraulic oil in the hydraulic cylinder pushes the hydraulic rod to make a linear telescopic movement under the action of pressure. One end of the hydraulic rod is fixedly connected to the first connecting block, so the telescopic movement of the hydraulic rod drives the first connecting block to move synchronously. When the first connecting block moves, the shaft sleeve is driven to rotate around the rotating shaft through the upper bushing and the lower bushing.

[0020] S3. The mowing mechanism works: The rotation of the shaft sleeve drives the upper mowing knife group and the lower mowing knife group to rotate at high speed. The high-speed rotating upper mowing knife group and lower mowing knife group cut the weeds. As the equipment moves forward under the traction of the tractor, the weeding plow penetrates into the ground to remove the roots of the weeds from the soil. At the same time, the cutting blades installed on the inner wall assist in cutting the weeds during the forward movement of the equipment.

[0021] S4. Power transmission: When the shaft sleeve rotates, the first synchronous wheel fixedly connected to its outer wall rotates accordingly. The first synchronous wheel drives the second synchronous wheel to rotate through the synchronous belt. The rotation of the second synchronous wheel drives the first transmission shaft to rotate. When the first transmission shaft rotates, the ratchet gear rotates accordingly. The rotation of the ratchet gear drives the gear to rotate. The rotation of the gear drives the second transmission shaft to rotate. When the second transmission shaft rotates, it drives the reciprocating lead screw to rotate. The rotation of the reciprocating lead screw makes the screw sleeve make a reciprocating linear movement on the reciprocating lead screw.

[0022] S5. When the lubrication mechanism works, the reciprocating motion of the lead screw sleeve drives the piston rod fixedly connected thereto to slide in the piston cylinder. When the piston rod slides upward, the lubricating oil in the lubricating oil tank is sucked into the piston cylinder through the oil inlet pipe. When the piston rod slides downward, the lubricating oil in the piston cylinder is transported to the lubricating ring through the lubricating oil pipe, and the lubricating oil seeps out through the holes provided in the lubricating ring to lubricate the hydraulic rod. At the same time, when the hydraulic rod expands and contracts, the cleaning cloth cleans its surface.

[0023] The present invention has the following beneficial effects:

[0024] 1. The grass cutting mechanism of the device is operated by multiple components working together. The upper and lower grass cutting knife groups are respectively installed on the outer wall of the bushing. The bushing rotates driven by the drive mechanism, driving the grass cutting knife groups to efficiently cut weeds. The weeding shovel can remove the roots of weeds, and the cutting piece on the inner wall of the equipment base assists in cutting when moving forward. The combination of multiple grass cutting methods significantly improves the grass cutting efficiency and effect, and can adapt to weed environments with different heights and densities.

[0025] 2. Through the lubrication mechanism, the lubricating oil is sucked from the lubricating oil tank into the piston cylinder through the oil inlet pipe, and then transported to the lubricating component through the lubricating oil pipe, automatically lubricating the hydraulic rod, reducing the manual maintenance cost, and ensuring the stable operation of the drive mechanism and the service life of the equipment.

[0026] 3. The lubricating component can not only lubricate the hydraulic rod, but also the cleaning component fixedly connected to its inner wall can clean the surface of the hydraulic rod when the hydraulic rod expands and contracts. It is fixedly connected to the hydraulic cylinder through the connecting component, ensuring that the lubricating component closely fits the hydraulic rod at the appropriate position, effectively removing the impurities on the surface of the hydraulic rod, preventing the impurities from entering the inside of the drive mechanism, and further improving the reliability and stability of the equipment. Description of the Drawings

[0027] Figure 1 is a schematic structural diagram of a telescopic grass cutting device and a grass cutting method for tractor assembly proposed by the present invention;

[0028] Figure 2 is an internal structural diagram of a telescopic grass cutting device and a grass cutting method for tractor assembly proposed by the present invention;

[0029] Figure 3 is a schematic rear structural diagram of a telescopic grass cutting device and a grass cutting method for tractor assembly proposed by the present invention;

[0030] Figure 4 is Figure 2 a schematic enlarged view of the structure at A;

[0031] Figure 5 is Figure 3 a schematic enlarged view of the structure at B;

[0032] Figure 6 For Figure 2 Enlarged schematic diagram of the structure at C

[0033] Figure 7 For Figure 2 Enlarged schematic diagram of the structure at D.

[0034] Figure 8 Schematic diagram of the lubricating ring structure.

[0035] In the figure: 1 telescopic frame, 2 adjusting frame, 3 side plate, 4 base, 401 cutting blade, 5 rotating shaft, 501 fixing plate, 502 bushing, 503 first synchronous pulley, 504 synchronous belt, 6 upper grass cutting knife group, 7 lower grass cutting knife group, 8 weeding plow, 201 support plate, 301 top plate, 302 baffle, 303 cross plate, 304 upper baffle, 305 first transmission shaft, 306 ratchet gear, 307 second synchronous pulley, 308 second transmission shaft, 309 gear, 310 reciprocating lead screw, 311 lead screw sleeve, 3201 lower connecting plate, 3202 upper connecting plate, 3203 second rotating shaft, 3204 second connecting block, 3205 hydraulic cylinder, 3206 hydraulic rod, 3207 connecting rod, 3208 lubricating ring, 3209 first connecting block, 3210 first rotating shaft, 3211 upper bushing, 3212 lower bushing, 3301 cleaning cloth, 3101 lubricating oil tank, 3102 piston cylinder, 3103 piston rod, 3104 oil inlet pipe, 3105 lubricating oil pipe. Specific implementation manners

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0037] Embodiment 1;

[0038] Referring to Figures 1-7 , a kind of telescopic grass cutting device and grass cutting method for tractor assembly, including a base 4, a lubricating mechanism, a grass cutting mechanism, and a driving mechanism;

[0039] An adjusting frame 2 is fixedly installed at the upper end of the base 4, a telescopic frame 1 is fixedly installed at the upper end of the adjusting frame 2, two groups of support plates 201 are fixedly connected to the upper end of the base 4, a top plate 301 is fixedly connected to the upper ends of the two groups of support plates 201 together, two side plates 3 are fixedly connected to the side walls of the two groups of support plates 201 together, two fixing plates 501 are fixedly connected to the outer wall of the side plate 3, a rotating shaft 5 is rotatably connected to the upper end of the base 4, the rotating shaft 5 passes through and is rotatably connected to the two fixing plates 501, two bushings 502 are sleeved on the outer wall of the rotating shaft 5, the inside of the base 4 is hollow, and a cutting blade 401 is installed on the inner wall of the base 4;

[0040] The lubrication mechanism is used to lubricate the drive mechanism;

[0041] The drive mechanism is used to drive the grass cutting mechanism;

[0042] The grass cutting mechanism is used to cut grass.

[0043] The drive mechanism includes an upper ferrule 3211, a lower ferrule 3212, a first connecting block 3209, a first rotating shaft 3210, a hydraulic rod 3206, a hydraulic cylinder 3205, a second connecting block 3204, an upper connecting plate 3202, a lower connecting plate 3201 and a second rotating shaft 3203. The upper ferrule 3211 is sleeved on the outer wall of the bushing 502, and the lower ferrule 3212 is sleeved on the outer wall of the bushing 502. The first rotating shaft 3210 sequentially passes through and is rotatably connected to the upper ferrule 3211, the first connecting block 3209, and the lower ferrule 3212. The hydraulic rod 3206 is fixedly connected to the first connecting block 3209. The hydraulic rod 3206 is slidably connected to the inner wall of the hydraulic cylinder 3205. One end of the hydraulic cylinder 3205 away from the hydraulic rod 3026 is fixedly connected to the second connecting block 3204. The upper connecting plate 3202 is fixedly connected to the outer wall of the support plate 201, and the lower connecting plate 3201 is fixedly connected to the outer wall of the support plate 201. The second rotating shaft 3203 sequentially passes through and is rotatably connected to the upper connecting plate 3202, the second connecting block 3204, and the lower connecting plate 3201.

[0044] The grass cutting mechanism includes an upper grass cutting knife group 6 and a lower grass cutting knife group 7. The upper grass cutting knife group 6 is installed on the outer wall of one of the bushings 502, and the lower grass cutting knife group 7 is installed on the outer wall of the other bushing 502. A weeding plow 8 is fixedly connected to the outer wall of the base 4. It should be noted that a motor is installed in the base 4, and the motor is used to drive the cutting disc 401. It should be noted that there are two sets of the upper grass cutting knife group 6 and the lower grass cutting knife group 7. While the two sets of the upper grass cutting knife group 6 and the lower grass cutting knife group 7 are symmetrically arranged, the cutting edges of the two sets of the upper grass cutting knife group 6 and the lower grass cutting knife group 7 are staggered. It should be noted that the weeding plow 8 is connected by bolts and can be disassembled at any time when not in use to avoid affecting movement. It should be noted that there are a total of four sets of hydraulic cylinders 3205, and the four sets of hydraulic cylinders 3205 are symmetrically arranged on the side walls of the two sets of support plates 201.

[0045] Specifically, first, the operator transports the tractor-mounted telescopic weeding equipment to a suitable installation position on the tractor and firmly installs the base 4 on the tractor using connecting parts such as bolts and nuts. According to the actual conditions such as the height and terrain of the weeds in the weeding area, the telescopic frame 1 and the adjusting frame 2 are adjusted by operating the hydraulic control device on the telescopic frame 1 or the hydraulic control device on the adjusting frame 2 to change the height and angle of the equipment, so that the upper weeding knife group 6 and the lower weeding knife group 7 are in the best working position. Subsequently, the tractor is started, and the tractor drives the entire device to move. At this time, the hydraulic cylinder 3205 is started. The hydraulic cylinder 3205 pushes the hydraulic rod 3206 to perform a linear telescopic motion. One end of the hydraulic rod 3206 is fixedly connected to the first connecting block 3209. Therefore, the telescopic motion of the hydraulic rod 3206 drives the first connecting block 3209 to move synchronously. Since the first rotating shaft 3210 sequentially passes through the upper bushing 3211, the first connecting block 3209, and the lower bushing 3212, and the upper bushing 3211 and the lower bushing 3212 are tightly sleeved on the outer wall of the bushing 502, when the first connecting block 3209 moves, the bushing 502 is driven to rotate around the fixed rotating shaft 5 through the upper bushing 3211 and the lower bushing 3212;

[0046] Since the upper weeding knife group 6 is installed on the outer wall of one bushing 502 and the lower weeding knife group 7 is installed on the outer wall of the other bushing 502, the rotation of the bushing 502 at this time drives the upper weeding knife group 6 and the lower weeding knife group 7 to rotate. The rotating upper weeding knife group 6 and lower weeding knife group 7 cut the weeds, breaking the weeds in the field. At the same time, the motor is started, driving the cutting blade 401 to assist in cutting and crushing the weeds during the forward movement of the equipment. At this time, the crushed weeds fall into the field, which can nourish the soil fertility and is beneficial for subsequent planting. At the same time, when the tractor moves, it will drag the weeding plow 8 through the base 4 to damage the grass roots and evenly disperse the crushed weeds into the soil, making the decomposition speed of the weeds faster.

[0047] Embodiment 2;

[0048] Further, referring to Figures 1-7, on the outer wall of one of the bushings 502, a first synchronous pulley 503 is fixedly connected. The first synchronous pulley 503 is connected to a second synchronous pulley 307 through a synchronous belt 504. The inner wall of the second synchronous pulley 307 is fixedly connected to a first transmission shaft 305. On the outer wall of the first transmission shaft 305, a ratchet gear 306 is fixedly connected. The first transmission shaft 305 is rotatably connected to the top plate 301. The ratchet gear 306 meshes with a gear 309. The inner wall of the gear 309 is fixedly connected to a second transmission shaft 308. The second transmission shaft 308 is rotatably connected to the top plate 301. The second transmission shaft 308 penetrates through and is rotatably connected to a cross plate 303. The upper end of the second transmission shaft 308 is fixedly connected to a reciprocating lead screw 310. The upper end of the top plate 301 is fixedly connected to a baffle 302. The upper end of the baffle 302 is fixedly connected to an upper baffle 304. The cross plate 303 is fixedly connected to the outer wall of the baffle 302. The upper end of the reciprocating lead screw 310 is rotatably connected to the upper baffle 304. A lead screw sleeve 311 is threadedly connected to the outer wall of the reciprocating lead screw 310.

[0049] The lubrication mechanism consists of a piston cylinder 3102, a piston rod 3103, an oil inlet pipe 3104, a lubricating oil tank 3101, a lubricating oil pipe 3105. The upper end of the piston rod 3103 is fixedly connected to the lead screw sleeve 311. The piston rod 3103 is slidably connected to the inner wall of the piston cylinder 3102. The lower end of the piston cylinder 3102 is fixedly connected to the top plate 301. One end of the oil inlet pipe 3104 is fixedly connected to the piston cylinder 3102, and the other end is fixedly connected to the lubricating oil tank 3101. One end of the lubricating oil pipe 3105 is fixedly connected to the piston cylinder 3102, and the other end is fixedly connected to a lubricating ring 3208. The lubricating ring 3208 is sleeved on the outer wall of the hydraulic rod 3206. It should be noted that each group of hydraulic rods 3206 is sleeved with a lubricating ring 3208, and the lubricating oil pipe 3105 evenly distributes the lubricating oil to each lubricating ring 3208 through pipe joints.

[0050] Specifically, when one of the bushings 502 rotates, the first synchronous pulley 503 fixedly connected to its outer wall rotates accordingly. The first synchronous pulley 503 drives the second synchronous pulley 307 to rotate through the synchronous belt 504. The inner wall of the second synchronous pulley 307 is fixedly connected to the first transmission shaft 305. Therefore, the rotation of the second synchronous pulley 307 drives the first transmission shaft 305 to rotate. On the outer wall of the first transmission shaft 305, a ratchet gear 306 is fixedly connected. When the first transmission shaft 305 rotates, the ratchet gear 306 rotates accordingly. The ratchet gear 306 meshes with the gear 309, and the rotation of the ratchet gear 306 drives the gear 309 to rotate. The inner wall of the gear 309 is fixedly connected to the second transmission shaft 308, and the rotation of the gear 309 drives the second transmission shaft 308 to rotate. The second transmission shaft 308 penetrates through the cross plate 303, and its upper end is fixedly connected to the reciprocating lead screw 310. When the second transmission shaft 308 rotates, it drives the reciprocating lead screw 310 to rotate.

[0051] A lead screw sleeve 311 is threadedly connected to the axial outer wall of the reciprocating lead screw 310. The rotation of the reciprocating lead screw 310 causes the lead screw sleeve 311 to perform a reciprocating linear motion on the reciprocating lead screw 310. The reciprocating motion of the lead screw sleeve 311 drives the piston rod 3103 fixedly connected thereto to slide within the piston cylinder 3102. When the piston rod 3103 slides upward, a negative pressure is formed within the piston cylinder 3102. Under the action of atmospheric pressure, the lubricating oil in the lubricating oil tank 3101 is sucked into the piston cylinder 3102 through the oil inlet pipe 3104. When the piston rod 3103 slides downward, the lubricating oil within the piston cylinder 3102 is squeezed and delivered through the lubricating oil pipe 3105 into the lubricating ring 3208, and the lubricating ring 3208 lubricates the hydraulic rod 3206.

[0052] Embodiment Three;

[0053] Furthermore, referring to Figures 6-8 , a connecting rod 3207 is fixedly connected to the outer wall of the lubricating ring 3208. One end of the connecting rod 3207 away from the lubricating ring 3208 is fixedly connected to the hydraulic cylinder 3205. The interior of the lubricating ring 3208 is hollow, and a plurality of holes are provided on the inner wall of the lubricating ring 3208. A cleaning cloth 3301 is fixedly connected to the inner wall of the lubricating ring 3208. The inner wall of the lubricating ring 3208 is in contact with the hydraulic rod 3206. It should be noted that the connecting rod 3207 connects the lubricating ring 3208 and the hydraulic cylinder 3205 through bolts. It should be noted that the cleaning cloth 3301 can be replaced and disassembled. It should be noted that the lubricating oil pipe 3105 is a flexible lubricating pipe.

[0054] Since the interior of the lubricating ring 3208 is a hollow structure and a plurality of holes are provided on the inner wall, the lubricating oil seeps out through these holes. While lubricating the hydraulic rod 3206, a cleaning cloth 3301 is fixedly connected to the inner wall of the lubricating ring 3208. The cleaning cloth 3301 is in contact with the hydraulic rod 3206, and when the hydraulic rod 3206 performs a telescopic motion, its surface is cleaned.

[0055] A method for mowing grass using a tractor-mounted telescopic mowing device includes the following steps when using the above-mentioned tractor-mounted telescopic mowing device;

[0056] S1. Equipment preparation: The operator transports the tractor-mounted telescopic mowing device to a suitable installation position on the tractor and firmly installs the base (4) on the tractor using connecting parts such as bolts and nuts. According to the actual situation of the height and terrain of the weeds in the mowing area, the telescopic frame 1 and the adjusting frame 2 are adjusted by operating the hydraulic control device on the telescopic frame 1 or the adjusting bolts on the adjusting frame 2 to change the height and angle of the equipment, so that the upper mowing knife group 6 and the lower mowing knife group 7 are in the best working positions;

[0057] S2. The driving mechanism operates to start the tractor. During the process of the tractor running and moving, the hydraulic cylinder 3205 is started. The hydraulic oil in the hydraulic cylinder 3205 pushes the hydraulic rod 3206 to perform linear telescopic motion under pressure. One end of the hydraulic rod 3206 is fixedly connected to the first connecting block 3209. Therefore, the telescopic motion of the hydraulic rod 3206 drives the first connecting block 3209 to move synchronously. When the first connecting block 3209 moves, it drives the shaft sleeve 502 to rotate around the rotating shaft 5 through the upper bushing 3211 and the lower bushing 3212;

[0058] S3. The grass cutting mechanism operates. The rotation of the shaft sleeve 502 drives the upper grass cutting knife group 6 and the lower grass cutting knife group 7 to rotate at high speed. The high-speed rotating upper grass cutting knife group 6 and lower grass cutting knife group 7 cut the weeds. As the equipment moves forward under the traction of the tractor, the weeding plow 8 penetrates into the ground to uproot the roots of the weeds from the soil. At the same time, the cutting piece 401 installed on the inner wall assists in cutting the weeds during the forward movement of the equipment;

[0059] S4. Power transmission. When the shaft sleeve 502 rotates, the first synchronous pulley 503 fixedly connected to its outer wall rotates accordingly. The first synchronous pulley 503 drives the second synchronous pulley 307 to rotate through the synchronous belt 504. The rotation of the second synchronous pulley 307 drives the first transmission shaft 305 to rotate. When the first transmission shaft 305 rotates, the ratchet gear 306 rotates accordingly. The rotation of the ratchet gear 306 drives the gear 309 to rotate. The rotation of the gear 309 drives the second transmission shaft 308 to rotate. When the second transmission shaft 308 rotates, it drives the reciprocating lead screw 310 to rotate. The rotation of the reciprocating lead screw 310 causes the lead screw sleeve 311 to perform reciprocating linear motion on the reciprocating lead screw 310;

[0060] S5. The lubrication mechanism operates. The reciprocating motion of the lead screw sleeve 311 drives the piston rod 3103 fixedly connected to it to slide in the piston cylinder 3102. When the piston rod 3103 slides upward, the lubricating oil in the lubricating oil tank 3101 is sucked into the piston cylinder 3102 through the oil inlet pipe 3104. When the piston rod 3103 slides downward, the lubricating oil in the piston cylinder 3102 is delivered to the lubricating ring 3208 through the lubricating oil pipe 3105. The lubricating oil seeps out through the holes opened in the lubricating ring 3208 to lubricate the hydraulic rod 3206. At the same time, the cleaning cloth 3301 cleans the surface of the hydraulic rod 3206 during the telescopic motion of the hydraulic rod 3206.

[0061] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A tractor-mounted telescopic grass cutting device, comprising a base (4), a lubrication mechanism, a grass cutting mechanism, and a driving mechanism, characterized in that: An adjusting frame (2) is fixedly installed at the upper end of the base (4), a telescopic frame (1) is fixedly installed at the upper end of the adjusting frame (2), two groups of support plates (201) are fixedly connected to the upper end of the base (4), a top plate (301) is fixedly connected to the upper ends of the two groups of support plates (201), a side plate (3) is fixedly connected to the side walls of the two groups of support plates (201), two groups of fixing plates (501) are fixedly connected to the outer wall of the side plate (3), a rotating shaft (5) is rotatably connected to the upper end of the base (4), the rotating shaft (5) penetrates and is rotatably connected to the two groups of fixing plates (501), two groups of bushings (502) are sleeved on the outer wall of the rotating shaft (5), the interior of the base (4) is hollow, and a cutting blade (401) is installed on the inner wall of the base (4); The lubrication mechanism is used to lubricate the driving mechanism; The driving mechanism is used to drive the grass cutting mechanism; The grass cutting mechanism is used to cut grass.

2. The telescopic grass cutting equipment for tractor assembly according to claim 1, characterized in that The driving mechanism comprises an upper bushing (3211), a lower bushing (3212), a first connecting block (3209), a first rotating shaft (3210), a hydraulic rod (3206), a hydraulic cylinder (3205), a second connecting block (3204), an upper connecting plate (3202), a lower connecting plate (3201) and a second rotating shaft (3203). The upper bushing (3211) is sleeved on the outer wall of the bushing (502), the lower bushing (3212) is sleeved on the outer wall of the bushing (502), the first rotating shaft (3210) sequentially penetrates and is rotatably connected to the upper bushing (3211), the first connecting block (3209), and the lower bushing (3212), the hydraulic rod (3206) is fixedly connected to the first connecting block (3209), the hydraulic rod (3206) is slidably connected to the inner wall of the hydraulic cylinder (3205), one end of the hydraulic cylinder (3205) away from the hydraulic rod (3026) is fixedly connected to the second connecting block (3204), the upper connecting plate (3202) is fixedly connected to the outer wall of the support plate (201), the lower connecting plate (3201) is fixedly connected to the outer wall of the support plate (201), and the second rotating shaft (3203) sequentially penetrates and is rotatably connected to the upper connecting plate (s202), the second connecting block (3204), and the lower connecting plate (3201).

3. The telescopic grass cutting device for tractor assembly according to claim 1, characterized in that, The grass cutting mechanism comprises an upper grass cutting knife group (6) and a lower grass cutting knife group (7). The upper grass cutting knife group (6) is installed on the outer wall of one of the bushings (502), the lower grass cutting knife group (7) is installed on the outer wall of the other bushing (502), and a weeding plow (8) is fixedly connected to the outer wall of the base (4).

4. A telescopic grass cutting device for tractor assembly according to claim 1, characterized in that, A first synchronous pulley (503) is fixedly connected to the outer wall of one of the bushings (502). The first synchronous pulley (503) is connected to a second synchronous pulley (307) through a synchronous belt (504). The inner wall of the second synchronous pulley (307) is fixedly connected to a first transmission shaft (305). A ratchet gear (306) is fixedly connected to the outer wall of the first transmission shaft (305). The first transmission shaft (305) is rotatably connected to the top plate (301).

5. A telescopic grass cutting device for tractor assembly according to claim 4, characterized in that, The ratchet gear (306) meshes with a gear (309). The inner wall of the gear (309) is fixedly connected to a second transmission shaft (308). The second transmission shaft (308) is rotatably connected to the top plate (301). The second transmission shaft (308) passes through and is rotatably connected to a cross plate (303). A reciprocating lead screw (310) is fixedly connected to the upper end of the second transmission shaft (308). The upper end of the top plate (301) is fixedly connected to a baffle (302). The upper baffle (304) is fixedly connected to the upper end of the baffle (302). The cross plate (303) is fixedly connected to the outer wall of the baffle (302). The upper end of the reciprocating lead screw (310) is rotatably connected to the upper baffle (304). A lead screw sleeve (311) is threadedly connected to the outer wall of the reciprocating lead screw (310).

6. A telescopic grass cutting device for tractor assembly according to claim 5, characterized in that, The lubrication mechanism consists of a piston cylinder (3102), a piston rod (3103), an oil inlet pipe (3104), an oil tank (3101), and an oil pipe (3105). The upper end of the piston rod (3103) is fixedly connected to the lead screw sleeve (311). The piston rod (3103) is slidably connected to the inner wall of the piston cylinder (3102). The lower end of the piston cylinder (3102) is fixedly connected to the top plate (301). One end of the oil inlet pipe (3104) is fixedly connected to the piston cylinder (3102), and the other end is fixedly connected to the oil tank (3101). One end of the oil pipe (3105) is fixedly connected to the piston cylinder (3102), and the other end is fixedly connected to a lubrication ring (3208). The lubrication ring (3208) is sleeved on the outer wall of the hydraulic rod (3206).

7. A method for a towed assembled telescopic grass cutting device according to claim 6, characterized in that, A connecting rod (3207) is fixedly connected to the outer wall of the lubrication ring (3208). One end of the connecting rod (3207) away from the lubrication ring (3208) is fixedly connected to the hydraulic cylinder (3205). The interior of the lubrication ring (3208) is hollow. A plurality of holes are formed in the inner wall of the lubrication ring (3208). A cleaning cloth (3301) is fixedly connected to the inner wall of the lubrication ring (3208). The inner wall of the lubrication ring (3208) is in contact with the hydraulic rod (3206).

8. A method for mowing grass with a tractor-mounted telescopic mowing device, which is used by using a tractor-mounted telescopic mowing device described in any one of claims 1-7, characterized in that, Including the following steps: S1. Equipment preparation: The operator transports the telescopic mowing equipment for tractor assembly to a suitable installation position on the tractor, and uses connecting parts such as bolts and nuts to firmly install the base (4) on the tractor. According to the actual situation of the height and terrain of the weeds in the mowing area, the telescopic frame (1) and the adjusting frame (2) are adjusted by operating the hydraulic control device on the telescopic frame (1) or the adjusting bolts on the adjusting frame (2), changing the height and angle of the equipment, so that the upper mowing knife group (6) and the lower mowing knife group (7) are in the best working position. S2. Drive mechanism operation: Start the tractor. When the tractor is running and moving, start the hydraulic cylinder (3205). The hydraulic oil in the hydraulic cylinder (3205) pushes the hydraulic rod (3206) to make a linear telescopic motion under pressure. One end of the hydraulic rod (3206) is fixedly connected to the first connecting block (3209). Therefore, the telescopic motion of the hydraulic rod (3206) drives the first connecting block (3209) to move synchronously. When the first connecting block (3209) moves, the sleeve (502) is driven to rotate around the rotating shaft (5) through the upper clamp sleeve (3211) and the lower clamp sleeve (3212). S3. Mowing mechanism operation: The rotation of the sleeve (502) drives the upper mowing knife group (6) and the lower mowing knife group (7) to rotate at high speed. The high-speed rotating upper mowing knife group (6) and lower mowing knife group (7) cut the weeds. As the equipment moves forward under the traction of the tractor, the weeding plow (8) penetrates into the ground, removing the roots of the weeds from the soil. At the same time, the cutting blades (401) installed on the inner wall assist in cutting the weeds during the forward movement of the equipment. S4. Power transmission: When the sleeve (502) rotates, the first synchronous wheel (503) fixedly connected to its outer wall rotates accordingly. The first synchronous wheel (503) drives the second synchronous wheel (307) to rotate through the synchronous belt (504). The rotation of the second synchronous wheel (307) drives the first transmission shaft (305) to rotate. When the first transmission shaft (305) rotates, the ratchet gear (306) rotates accordingly. The rotation of the ratchet gear (306) drives the gear (309) to rotate. The rotation of the gear (309) drives the second transmission shaft (308) to rotate. When the second transmission shaft (308) rotates, it drives the reciprocating lead screw (310) to rotate. The rotation of the reciprocating lead screw (310) makes the lead screw sleeve (311) perform a reciprocating linear motion on the reciprocating lead screw (31). S5. When the lubrication mechanism works, the reciprocating movement of the lead screw sleeve (311) drives the piston rod (3103) fixedly connected thereto to slide in the piston cylinder (3102). When the piston rod (3103) slides upward, the lubricating oil in the lubricating oil tank (3101) is sucked into the piston cylinder (3102) through the oil inlet pipe (3104). When the piston rod (3103) slides downward, the lubricating oil in the piston cylinder (3102) is delivered into the lubricating ring (3208) through the lubricating oil pipe (3105). The lubricating oil seeps out through the holes formed in the lubricating ring (3208) to lubricate the hydraulic rod (3206). Meanwhile, when the hydraulic rod (3206) expands and contracts, the cleaning cloth (3301) cleans the surface thereof.

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