CN112655358B - Weeding device for grasslands on lower sides of expressway guardrails - Google Patents
Weeding device for grasslands on lower sides of expressway guardrails Download PDFInfo
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- CN112655358B CN112655358B CN202110070951.6A CN202110070951A CN112655358B CN 112655358 B CN112655358 B CN 112655358B CN 202110070951 A CN202110070951 A CN 202110070951A CN 112655358 B CN112655358 B CN 112655358B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The invention discloses a weeding device for grasslands on the lower side of a highway guardrail, which comprises a weeding machine body, wherein sliding grooves are symmetrically seen from left to right on the upper side of the weeding machine body, left side of the sliding grooves on the left side are provided with left open communicating grooves, the guiding device comprises belt wheel grooves arranged on the upper side of the sliding grooves, screwing blocks and screwing rotating blocks can adjust the positions of guiding wheels, so that the device can move forward along with the meandering of the guardrail, meanwhile, when a cutting knife is required to touch the vertical guardrail, an infrared position sensor can identify the positions, so that the cutting knife is moved back and forth to the left to retract the machine body, after the cutting knife is moved through the vertical guardrail, weeding is continued by the cutting knife, meanwhile, the cut grooves are blown leftwards by a fan blade, and grass is recovered by an air suction pump.
Description
Technical Field
The invention relates to the field of road greening, in particular to a weeding device for grasslands on the lower side of a highway guardrail.
Background
Along with the rapid construction of the expressway and continuous progress of social economy, people have given the requirements of a clean green and beautiful ecological large channel, the lawns on two sides of the expressway are provided with guardrails, and a great amount of manpower and material resources are required to be invested for maintenance when the lawns below the guardrails are trimmed, so that the device capable of reducing the labor force and simultaneously rapidly trimming the lawns below the guardrails is very important.
Disclosure of Invention
Aiming at the defects of the technology, the invention provides a weeding device for grasslands at the lower side of a highway guardrail, which can overcome the defects.
The invention relates to a weeding device for grasslands on the lower side of a highway guardrail, which comprises a weeding machine body, wherein sliding grooves are symmetrically seen from left to right on the upper side of the weeding machine body, left side of the sliding grooves on the left side is provided with a left-opening communication groove, a guide device is arranged between the sliding grooves and the communication groove, the guide device comprises a belt wheel groove arranged on the upper side of the sliding grooves, a wall body between the belt wheel groove and the sliding grooves is in rotary fit with a transmission screw rod, the transmission screw rod is in threaded connection with a sliding block in sliding connection with the sliding grooves, a rotary screw rod is arranged in the sliding block, wall bodies between the left and right sliding blocks are in rotary connection with a rotary screw rod, a central groove is arranged in the sliding block, the rotary screw rod is positioned in the left and right central grooves and is in threaded connection with an adjusting block in sliding connection with the central groove, the left and right adjusting blocks are opposite in screw thread direction, the lower side of the sliding groove is communicated with a guide groove, the bottom wall of the sliding block is rotationally connected with a guide shaft, the guide shaft is downwards extended and positioned in the guide groove and fixedly connected with a guide wheel, the transmission screw rod is rotated to adjust the height of the guide wheel, the rotation screw rod is rotated to adjust the horizontal direction of the guide wheel so as to be abutted to a guardrail of a green belt on a highway, the left and right transmission screw rods are positioned in the belt wheel groove and connected through belt transmission, a penetrating groove with a downward opening is formed in the front and back of a weeding machine body in a penetrating way, the left side of the penetrating groove is communicated with a mounting groove, the front and back of the weeding machine body is provided with a penetrating groove with a downward opening, the right side of the penetrating groove is communicated with an abutting groove, a weeding device is arranged between the abutting groove and the mounting groove, the weeding device comprises a fixed block fixedly connected with the mounting groove, a sliding groove is formed in the fixed block, a limiting groove is formed in the sliding groove, a sliding block is slidably matched in the sliding groove, a right matching groove is formed in the right side of the fixed block in an up-down symmetrical mode, a limiting shaft is connected to the wall body in the direction away from the central end face of the fixed block in a rotating mode, a connecting torsion spring is connected between the limiting shaft and the top wall of the matching groove, the limiting shaft is located in the matching groove and fixedly connected with a connecting block, a rotating block is fixedly connected to the tail end of the right side of the connecting block, a connecting groove capable of being matched with the sliding block in a sliding mode is formed in the rotating block, a sliding groove is formed in the fixed block, a sliding groove is formed in the sliding groove, a limiting pin is arranged in the sliding groove, a bevel gear transmission groove is formed in the right side of the sliding groove, a rotating shaft is connected to the rotating shaft, the rotating shaft extends downwards to the tail end of the matching groove, the rotating shaft is fixedly connected with a rotating block, and the cutting knife moves to the left side of the cutting block in the vertical moving process, and then the cutting knife moves upwards when the cutting knife is stopped.
Preferably, the guiding device further comprises a screwing block fixedly connected with the rotary screw rod and positioned at the outer end of the left side of the weeding machine body, and the transmission screw rod on the left side extends upwards to the outer end of the weeding machine body and is fixedly connected with the screwing block.
Preferably, the weeding device further comprises a transmission shaft in running fit with the rear wall of the mounting groove, the transmission shaft is fixedly connected with a rotary half bevel gear in the mounting groove, a connecting groove is formed in the lower side of the mounting groove, a belt wheel shaft is in running fit with the wall body between the connecting groove and the mounting groove, the belt wheel shaft is in a spline connection with a rotary bevel gear meshed with the rotary half bevel gear in the mounting groove, a ring connection groove is formed in the rotary bevel gear, an electric push rod which is telescopic and is in running connection with the ring connection groove is fixedly arranged on the wall of the bottom of the mounting groove, a limiting torsion spring is connected between the rear wall of the mounting groove and the transmission shaft, the transmission shaft is fixedly connected with a fixing rod which is positioned at the tail end of the front side of the rotary half bevel gear, and a hinge rod which is in running connection with the moving connection block is hinged to the front side of the fixing rod.
Preferably, the weeding device further comprises a matching shaft rotationally connected with the right wall of the bevel gear transmission groove, the matching shaft is located in the bevel gear transmission groove and connected with the rotating shaft through a bevel gear pair, the matching shaft is axially connected with a connecting friction wheel in an extending mode at the outer end of the right side of the sliding groove, an opening groove is formed in the right side of the abutting groove, a driven shaft is rotationally connected with a wall body between the opening groove and the abutting groove, the driven shaft is located in the abutting groove and is fixedly connected with an abutting friction wheel in friction fit with the connecting friction wheel, a power shaft is rotationally connected with the bottom side of the weeding machine body, a connecting wheel is fixedly connected with the power shaft and connected with the driven shaft through belt transmission, a fan blade is fixedly connected with the tail end of the power shaft extending leftwards, and a power motor is embedded in the inner wall of the weeding machine body in a power mode.
Preferably, the weeding device further comprises a connecting shaft rotationally connected with the left wall of the bottom side of the weeding machine body, the right side end of the connecting shaft is connected with an air suction pump, the connecting shaft is fixedly connected with a moving chute on the right side of the bevel gear connecting groove, a connecting motor embedded in the inner wall of the weeding machine body is dynamically connected with the left extending end of the connecting shaft, a bevel gear connecting groove is formed in the upper side of the mounting groove, an extending shaft is rotationally matched with a wall body between the bevel gear connecting groove and the connecting groove, the extending shaft is located in the connecting groove and connected with a belt wheel shaft through a belt transmission, the mounting groove is connected with the connecting shaft through a bevel gear pair, a gear shaft is rotationally matched with the wall body between the bevel gear connecting groove and is located in the extending shaft, the gear shaft is connected with a sliding gear in the moving chute through a bevel gear shaft pair, the sliding gear is fixedly connected with the sliding gear in the moving chute, the sliding gear shaft is connected with an electromagnet is in the sliding block, the sliding gear is in the sliding position of the sliding gear is in the sliding side of the moving chute, and the electromagnet is in the sliding side of the moving electromagnet is in the sliding side of the sliding side, and the electromagnet is fixedly connected with the top wall of the electromagnet, and the top wall is fixedly connected with the electromagnet.
The beneficial effects of the invention are as follows: the position of the guide wheel can be adjusted by twisting the twisting block and the twisting block, so that the purpose that the device can advance along with the bending of the guardrail is achieved, meanwhile, when the cutting knife is required to touch the vertical guardrail, the infrared position sensor can identify the position, the cutting knife is moved upwards and leftwards to retract the machine body, after the cutting knife is moved through the vertical guardrail, the cutting knife continuously weeding, meanwhile, the fan blade can blow the cut groove leftwards, the grass is recovered by the suction pump, the problem that the grass under the guardrail is difficult to cut is solved, and the cost of manpower and material resources is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall construction of a weeding device for grass on the underside of a highway guardrail;
fig. 2 is a partial structure enlarged view at a in fig. 1;
FIG. 3 is a schematic view of the structure in the B-B direction in FIG. 1;
fig. 4 is a schematic view of the structure of the turning block 70 in the unfolded state.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The invention relates to a weeding device for grasslands on the lower side of a highway guardrail, which comprises a weeding machine body 10, wherein a sliding groove 16 is symmetrically seen from left to right on the upper side of the weeding machine body 10, a left communication groove 17 with a left opening is arranged on the left side of the sliding groove 16, a guiding device is arranged between the sliding groove 16 and the communication groove 17, the guiding device comprises a pulley groove 14 arranged on the upper side of the sliding groove 16, a wall body between the pulley groove 14 and the sliding groove 16 is in rotary fit with a transmission screw 12, the transmission screw 12 is in threaded connection with a sliding block 13 in sliding connection with the sliding groove 16, a rotary screw 75 is arranged in the sliding block 13, a wall body between the left sliding block 13 and the right sliding block 13 is in rotary connection with the rotary screw 75, a central groove 31 is arranged in the sliding block 13, an adjusting block 18 in sliding connection with the central groove 31 is in threaded connection with the inner thread of the rotary screw 75 positioned at the left side and the right side, the left and right adjusting blocks 18 are opposite in screw thread direction, the lower side of the sliding groove 16 is communicated with a guide groove 30, the bottom wall of the sliding block 13 is rotationally connected with a guide shaft 29, the guide shaft 29 is downwardly extended and positioned in the guide groove 30 and fixedly connected with a guide wheel 28, the height of the guide wheel 28 is adjusted by rotating the transmission screw rod 12, the horizontal direction of the guide wheel 28 can be adjusted by rotating the transmission screw rod 75 so as to be abutted against the guardrail of a green belt on an expressway, the left and right transmission screw rods 12 are positioned in the belt wheel groove 14 and are connected through belt transmission, the front and rear parts in the weeding machine body 10 are internally and internally provided with downward-opening penetrating grooves 73, the left side of the penetrating grooves 73 is communicated with mounting grooves 67, the weeding machine body 10 is provided with forward and backward penetrating grooves 73 with downward openings, the right side of the through groove 73 is communicated with an abutting groove 20, a weeding device is arranged between the abutting groove 20 and the mounting groove 67, the weeding device comprises a fixed block 48 fixedly connected with the mounting groove 67, a sliding groove 51 is arranged in the fixed block 48, a limiting groove 52 is arranged in the sliding groove 51, a sliding block 74 is slidably matched in the sliding groove 51, an opening rightward matching groove 61 is symmetrically arranged on the right side of the fixed block 48, the matching groove 61 is rotatably connected with a limiting shaft 54 towards a wall body far away from the center end face direction of the fixed block 48, a connecting torsion spring 55 is connected between the limiting shaft 54 and the top wall of the matching groove 61, the limiting shaft 54 is fixedly connected with a connecting block 53 in the matching groove 61, a rotating block 70 is fixedly connected with the right side end of the connecting block 53, a connecting groove 72 capable of being slidably matched with the sliding block 74 is arranged in the rotating block 70, a limiting groove 71 is arranged in the fixed block 48, a sliding groove 63 is arranged in the sliding groove 63, a shifting groove 77 is arranged in the sliding groove 63, a sliding groove 77 is arranged in the sliding groove 77, and the sliding groove 77 is fixedly connected with the rotating groove 49 and the rotating shaft 47, and the rotating groove is fixedly connected with the rotating shaft 47, and the rotating shaft is connected with the rotating shaft 65 in the rotating shaft, and the rotating shaft is connected with the rotating shaft 65, and the rotating shaft is limited groove is connected with the rotating shaft and the rotating shaft.
Advantageously, the guiding device further comprises a screwing block 19 fixedly connected with the rotary screw 75 and located at the outer end of the left side of the weeding machine body 10, and the transmission screw 12 on the left side extends upwards to the outer end of the weeding machine body 10 and is fixedly connected with a screwing block 15.
The weeding device comprises a mounting groove 67, a rotary half bevel gear 32 is fixedly connected in the mounting groove 67, a connecting groove 45 is formed in the lower side of the mounting groove 67, a pulley shaft 37 is rotatably matched with a wall body between the connecting groove 45 and the mounting groove 67, a rotary bevel gear 36 capable of being meshed with the rotary half bevel gear 32 is connected in the mounting groove 67 through a spline, a ring connecting groove 35 is formed in the rotary bevel gear 36, an electric push rod 38 which is telescopic and rotatably connected with the ring connecting groove 35 is fixedly arranged on the bottom wall of the mounting groove 67, a limiting torsion spring is connected between the rear wall of the mounting groove 67 and the transmission shaft, a fixing rod 33 is fixedly connected with the tail end of the front side of the rotary half bevel gear 32, and a hinging rod 68 which is rotatably connected with the moving block 74 is hinged to the front side of the fixing rod 33.
The weeding device further comprises a matching shaft 62 rotatably connected with the right wall of the bevel gear transmission groove 65, the matching shaft 62 and the rotating shaft 49 are positioned in the bevel gear transmission groove 65 and connected through a bevel gear pair, the matching shaft 62 extends towards the outer end of the right side of the sliding groove 63 and is fixedly connected with a connecting friction wheel 50, the right side of the abutting groove 20 is provided with an opening groove 24, a wall body between the opening groove 24 and the abutting groove 20 is rotatably connected with a driven shaft 22, the driven shaft 22 is positioned in the abutting groove 20 and is fixedly connected with an abutting friction wheel 21 in friction fit with the connecting friction wheel 50, the bottom side of the weeding machine body 10 is rotatably connected with a power shaft 26, the power shaft 26 is fixedly connected with a connecting wheel 25, the power shaft 26 and the driven shaft 22 are connected through a belt transmission, the left extending end of the shaft 26 is fixedly connected with a fan blade 23, and the right extending end of the power shaft 26 is connected with a power motor 27 embedded in the inner wall of the weeding machine body 10.
Advantageously, the weeding device further comprises a connecting shaft 41 rotatably connected with the left wall of the bottom side of the weeding machine body 10, the right end of the connecting shaft 41 is connected with a suction pump 43, the connecting shaft 41 is fixedly connected with a rotating wheel 42 positioned on the left side of the suction pump 43, the connecting shaft 41 extends leftwards and is in power connection with a connecting motor 40 embedded in the inner wall of the weeding machine body 10, a bevel gear connecting groove 66 is arranged on the upper side of the mounting groove 67, a wall body between the bevel gear connecting groove 66 and the connecting groove 45 is rotatably matched with an extending shaft 46, the extending shaft 46 and the pulley shaft 37 are positioned in the connecting groove 45 and are connected through a belt transmission, the mounting groove 67 and the connecting shaft 41 are connected through a bevel gear pair, the upper side of the mounting groove 67 is communicated with a sliding chute 60 positioned on the right side of the bevel gear connecting groove 66, a wall body between the sliding chute 60 and the bevel gear connecting groove 66 is rotatably matched with a gear shaft 64, the gear shaft 64 and the extending shaft 46 are positioned in the bevel gear shaft connecting groove 66, the sliding chute 60 is connected with the electromagnet 56 through a bevel gear pair, the sliding chute 60 is in sliding connection with the sliding chute 60, the electromagnet 56 is in sliding connection with the sliding chute 60, and the electromagnet 57 is in sliding connection with the sliding chute 60, and the sliding chute 60 is in the sliding chute 60, and the sliding chute 60 is in the sliding chute 60, and the sliding chute is in the sliding chute 60 is in the sliding chute on the sliding chute 60, and the sliding chute 60 is in the sliding chute on the side 60.
The following describes the steps used herein in detail with reference to fig. 1 to 4:
when the device is in the initial state, the fixed block 48 and the rotating block 70 are ninety degrees, the limiting torsion spring is in a loosening state, the rotating bevel gear 36 and the rotating half bevel gear 32 are not meshed, the fixed magnet 69 and the sliding electromagnet 56 are attracted mutually, the connecting torsion spring 55 is in a tightening state, and the shifting block 74 is positioned at the leftmost side of the sliding groove 51.
When the grass under the upper guardrail of the highway needs to be removed, the weeding machine body 10 is put into the upper part through the through groove 73, the twisting block 15 is twisted to adjust the guiding wheel 28 and the upper guardrail to the same horizontal plane, the twisting block 19 is twisted to enable the guiding wheel 28 to approach the abutting guardrail to play a guiding role, the power motor 27 and the connecting motor 40 are started, the connecting shaft 41 and the power shaft 26 are rotated to enable the weeding machine body 10 to move, meanwhile, the connecting shaft 41 is rotated to drive the belt wheel shaft 37 to rotate through the bevel gear pair, the extending shaft 46 is rotated to drive the gear shaft 64 to rotate through the bevel gear pair under the action of the belt transmission, the sliding rack 57 drives the sliding electromagnet 56 to move upwards, the last tooth of the sliding electromagnet 56 is always meshed with the sliding rack 57 under the action of the abutting spring 59, the fixed magnet 69 is separated from the sliding electromagnet 56, under the action of the connecting torsion spring 55, the limiting shaft 54 drives the connecting block 53 to rotate, so that the rotating block 70 is unfolded to be in the same plane with the fixed block 48, meanwhile, the electric push rod 38 is extended, the rotating bevel gear 36 is meshed with the rotating half bevel gear 32, so that the transmission shaft is driven to rotate under the action of the pulley shaft 37, under the action of the limiting spring, the last tooth of the rotating half bevel gear 32 is always meshed with the rotating half bevel gear 32, so that the rotating half bevel gear 32 rotates for one hundred eighty degrees, so that the moving block 74 moves in the sliding groove 51 and the connecting groove 72 under the action of the rotating half bevel gear 32 and the hinging rod 68, under the action of the shifting groove 77, the limiting groove 52 and the limiting groove 71, the moving block 74 moves rightwards and then downwards, so that the connecting friction wheel 50 is abutted with the abutting friction wheel 21, the power shaft 26 drives the driven shaft 22 to rotate through belt transmission, so as to drive the matching shaft 62 to rotate, so that the rotating shaft 49 is driven to rotate under the transmission of the bevel gear pair, the rotating shaft 49 rotates to drive the cutting knife 47 to rotate, so that the cutting knife 47 is used for weeding, the cut grass is sucked and collected by the suction pump 43 after being blown leftwards by the fan blade 23 driven by the power shaft 26, when the infrared position sensor 44 detects that the front side is provided with the vertical guardrail, the electric push rod 38 is shortened, so that the rotating bevel gear 36 is disengaged from the fixed rod 33, the moving block 74 returns to the initial position under the action of the limiting spring, the rotating block 70 can be rotated by the guardrail in an abutting mode along with the movement of the weeding machine body 10, and after the cutting knife 47 moves to a position in the middle of the penetrating groove 73 and is not in abutting mode with the vertical guardrail, the rotating bevel gear 36 is meshed with the rotating half bevel gear 32 again, so that the cutting knife 47 continuously weeding is performed.
The beneficial effects of the invention are as follows: the position of the guide wheel can be adjusted by twisting the twisting block and the twisting block, so that the purpose that the device can advance along with the bending of the guardrail is achieved, meanwhile, when the cutting knife is required to touch the vertical guardrail, the infrared position sensor can identify the position, the cutting knife is moved upwards and leftwards to retract the machine body, after the cutting knife is moved through the vertical guardrail, the cutting knife continuously weeding, meanwhile, the fan blade can blow the cut groove leftwards, the grass is recovered by the suction pump, the problem that the grass under the guardrail is difficult to cut is solved, and the cost of manpower and material resources is reduced.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a weeding device of highway guardrail downside meadow, includes weeding organism, its characterized in that: the left side of the sliding groove is provided with a left communicating groove with an opening, a guiding device is arranged between the sliding groove and the communicating groove, the guiding device comprises a belt wheel groove arranged on the upper side of the sliding groove, a transmission screw rod is in running fit with a wall body between the belt wheel groove and the sliding groove, a sliding block in sliding connection with the sliding groove is in threaded connection with the transmission screw rod, a rotating screw rod is arranged in the sliding block, the wall body between the left sliding block and the right sliding block is in rotating connection with the rotating screw rod, a central groove is arranged in the sliding block, the rotating screw rods are positioned on the left side and the right side, an adjusting block in sliding connection with the central groove is in threaded connection with the adjusting block, the threads of the left adjusting block and the right adjusting block are opposite in direction, the lower side of the sliding groove is communicated with the guiding groove, the bottom wall of the sliding block is in rotating connection with a guiding shaft, the guiding shaft downwards extends to be positioned in the guiding groove and is fixedly connected with a guiding wheel, the driving screw rod is rotated to adjust the height of the guiding wheel, the driving screw rod is rotated to adjust the horizontal direction of the guiding wheel so as to be abutted against the guardrail of the green belt on the expressway, the guiding function is achieved, the driving screw rod is positioned in the belt wheel groove and is connected through belt transmission, the front and the rear of the weeding machine body are internally and internally provided with penetrating grooves with downward openings, the left side of the penetrating grooves is communicated with a mounting groove, the front and the rear of the weeding machine body are provided with penetrating grooves with downward openings, the right side of the penetrating grooves is communicated with an abutting groove, a weeding device is arranged between the abutting groove and the mounting groove and comprises a fixing block fixedly connected with the mounting groove, a sliding groove is arranged in the fixing block, the limiting groove is formed in the sliding groove, the sliding block is slidably matched with the sliding block, the right side of the fixing block is vertically symmetrically provided with a right-side matching groove, the matching groove is rotationally connected with a limiting shaft towards a wall body far away from the central end face direction of the fixing block, a connecting torsion spring is connected between the limiting shaft and the top wall of the matching groove, the limiting shaft is located a connecting block fixedly connected with the inside of the matching groove, a rotating block is fixedly connected with the right side of the connecting block, a connecting groove capable of being slidably matched with the sliding block is formed in the rotating block, the connecting groove is provided with a limiting groove, a sliding groove is formed in the fixing block, a limiting pin is arranged in the sliding groove, a bevel gear transmission groove is formed in the right side of the sliding groove, a rotating shaft is rotationally connected with the bottom wall of the bevel gear transmission groove, a cutting knife is fixedly connected with the tail end of the rotating shaft in a downward extending mode, and the cutting knife moves upwards in the sliding groove after the sliding groove, and returns to the cutting knife body after the sliding groove when the cutting knife is blocked by the vertical guardrail in the forward process.
2. A weeding apparatus for a grass on the underside of a highway guardrail as claimed in claim 1, wherein: the guiding device further comprises a screwing block which is fixedly connected with the rotary screw rod and is positioned at the outer end of the left side of the weeding machine body, and the transmission screw rod on the left side extends upwards to the outer end of the weeding machine body and is fixedly connected with the screwing block.
3. A weeding device for a grass on the underside of a highway guardrail as claimed in claim 2, wherein: the weeding device further comprises a transmission shaft in rotary fit with the rear wall of the mounting groove, the transmission shaft is located in the mounting groove and fixedly connected with a rotary half bevel gear, a connecting groove is formed in the lower side of the mounting groove, a belt wheel shaft is in rotary fit with a wall body between the connecting groove and the mounting groove, the belt wheel shaft is located in the mounting groove and is connected with a rotary bevel gear meshed with the rotary half bevel gear through a spline, a ring connection groove is formed in the rotary bevel gear, an electric push rod which is telescopic and is rotationally connected with the ring connection groove is fixedly arranged on the wall of the bottom of the mounting groove, a limiting torsion spring is connected between the rear wall of the mounting groove and the transmission shaft, the transmission shaft is fixedly connected with a fixing rod which is located at the tail end of the front side of the rotary half bevel gear, and a hinge rod which is rotationally connected with the moving connection block is hinged to the front side of the fixing rod.
4. A weeding apparatus for a grass on the underside of a highway guardrail according to claim 3, wherein: the weeding device further comprises a matching shaft rotationally connected with the right wall of the bevel gear transmission groove, the matching shaft is located in the bevel gear transmission groove and connected with the bevel gear transmission groove through a bevel gear pair, the matching shaft is axially connected with a connecting friction wheel in an extending mode at the outer end of the right side of the sliding groove, an opening groove is formed in the right side of the abutting groove, a driven shaft is rotationally connected with a wall body between the opening groove and the abutting groove, the driven shaft is located in the abutting groove and is fixedly connected with an abutting friction wheel in friction fit with the connecting friction wheel, a power shaft is rotationally connected with the bottom side of the weeding machine body, a connecting wheel is fixedly connected with the power shaft and connected with the driven shaft through belt transmission, a fan blade is fixedly connected to the tail end of the power shaft extending leftwards, and a power motor is embedded in the inner wall of the weeding machine body in a power connection mode at the tail end of the power shaft extending rightwards.
5. The weeding device for a grass on the lower side of an expressway guardrail as claimed in claim 4, wherein: the weeding device further comprises a connecting shaft rotationally connected with the left wall of the bottom side of the weeding machine body, the right end of the connecting shaft is connected with an air suction pump, the connecting shaft is fixedly connected with a rotating wheel located on the left side of the air suction pump, the connecting shaft is in left extending end power connection with a connecting motor embedded in the inner wall of the weeding machine body, the upper side of the mounting groove is provided with a bevel gear connecting groove, the bevel gear connecting groove and a wall body between the connecting grooves are in rotating fit with each other, the extending shaft and the belt wheel shaft are located in the connecting grooves and are connected through belt transmission, the mounting groove and the connecting shaft are connected through a bevel gear pair, the upper side of the mounting groove is communicated with a moving chute located on the right side of the bevel gear connecting groove, the moving chute and the wall body between the connecting grooves are in rotating fit with a gear shaft, the gear shaft is connected with the bevel gear connecting groove through a bevel gear pair, the gear shaft is fixedly connected with a sliding rack in the moving chute, the sliding rack is in sliding connection with an electromagnet, the sliding rack is in sliding connection with the sliding rack is in the sliding connection with the sliding rack, the electromagnet is in sliding connection with the sliding rack, and the electromagnet is in sliding connection with the top wall is fixedly connected with the top wall of the electromagnet, and the electromagnet is fixedly connected with the top wall of the electromagnet, and the top wall is fixedly connected with the electromagnet, and the electromagnet is fixedly connected with the top wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070951.6A CN112655358B (en) | 2021-01-19 | 2021-01-19 | Weeding device for grasslands on lower sides of expressway guardrails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070951.6A CN112655358B (en) | 2021-01-19 | 2021-01-19 | Weeding device for grasslands on lower sides of expressway guardrails |
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| Publication Number | Publication Date |
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| CN112655358A CN112655358A (en) | 2021-04-16 |
| CN112655358B true CN112655358B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110070951.6A Active CN112655358B (en) | 2021-01-19 | 2021-01-19 | Weeding device for grasslands on lower sides of expressway guardrails |
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