CN210671393U

CN210671393U - Pruning machine for highway

Info

Publication number: CN210671393U
Application number: CN201921615866.8U
Authority: CN
Inventors: 奚小波; 冒荧亮; 单翔; 张瑞宏; 张剑峰; 金亦富; 王理想; 韩宝龙; 蔡广林
Original assignee: Yangzhou Jintao Precision Agriculture Technology Development Co Ltd; Yangzhou University Jiangdu High-End Equipment Engineering Technology Research Institute; Yangzhou University
Current assignee: Yangzhou Jintao Precision Agriculture Technology Development Co Ltd; Yangzhou University Jiangdu High-End Equipment Engineering Technology Research Institute; Yangzhou University
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-05
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a road trimmer in the technical field of trimming machinery, which comprises a walking mechanism, wherein the walking mechanism comprises a frame, the frame is connected with two groups of driving components and rotating components, the two driving components and the rotating components are respectively arranged at intervals in the front and back directions, the two driving components and the rotating components are respectively arranged symmetrically about the center of the frame in the left and right directions, the frame is connected with a lifting support arm, the support arm is connected with a trimming mechanism, the trimming mechanism comprises a rotatable fixing frame, one side of the fixing frame facing outwards is provided with a connecting frame, the connecting frame is connected with a plurality of pull rods which are arranged in a straight line and have adjustable height, one end of each pull rod extending downwards out of a horizontal supporting part is hinged with an adjusting frame, the adjusting frame is rotatably connected with a cutting disc, one end of the upper adjusting frame is hinged with one end of a, the other end of the middle adjusting bracket is hinged with one end of the lower adjusting bracket; the utility model discloses occupation space is little, and the maintenance is simple, and is efficient.

Description

Pruning machine for highway

Technical Field

The utility model belongs to the technical field of pruner, in particular to trimming machine for highway.

Background

Green belt, refers to a strip-shaped zone for greening. Can eliminate visual fatigue, purify the environment, beautify the city, reduce traffic accidents and the like, and occupies an irreplaceable important position in the city. Particularly, the high-speed green belt ensures the traffic function of the road, strengthens the functions of water and soil conservation, sight line induction, marking, indication, anti-dazzle, shielding and the like, and can not be illuminated by the headlights of the opposite vehicles when the vehicle runs at high speed at night, thereby being capable of running safely.

Greenbelts are often provided with spherical vegetation, and special pruning machines are required for the vegetation. In the prior art, the patent name of 'a deformation trimmer for spherical vegetation' is disclosed, which is published under the number of CN 107548769A and published under the number of 20180109, and comprises a frame, a vertical hydraulic rod, a transverse hydraulic rod and a trimming cutter, wherein a lifting platform is fixed above the vertical hydraulic rod, the transverse hydraulic rod is fixed on the lifting platform, a carrying platform is fixed at the tail end of the transverse hydraulic rod, a rotating motor for driving a rotating shaft to rotate is arranged on the carrying platform, a transmission mechanism, an angle adjusting mechanism and a tensioning mechanism are arranged on the trimming cutter, the trimming cutter consists of a plurality of cutter single sections which are sequentially hinged, each cutter single section consists of a frame, a wheel shaft, two belt pulleys, an upper blade and a lower blade, the wheel shaft is rotatably arranged on the frame, the two belt pulleys are fixed on the wheel shaft, the lower blade is fixed on the frame, and the two belt pulleys on the adjacent cutter single sections are in transmission connection through a belt, a belt motor is fixed on the single section of the cutter at the uppermost end, and an output shaft of the belt motor is fixedly connected with a wheel shaft on the single section of the cutter; each wheel shaft is driven to rotate by a belt motor through a belt, and as long as one double belt wheel slips, the blade at the position cannot cut, and meanwhile, the normal work of other double belt wheels can be influenced; moreover, as long as one cutter single section is damaged, the whole belt needs to be detached, a new cutter single section is replaced, and the transmission mechanism is installed again, so that the maintenance is complex and the efficiency is low; in addition, the trimmer is connected to the travelling mechanism, the travelling mechanism is large in size and occupies a large space, one travelling mechanism is needed in each trimming area, each driver is required to drive the corresponding travelling mechanism to a required position, the labor intensity is high, and the requirements on the driving technology of the driver are high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the prior art, provide a trimming machine for highway, solved among the prior art troublesome and the maintenance loaded down with trivial details, the bulky technological problem of running gear of installation, the utility model discloses it is small, occupation space is little, and the maintenance is simple, efficient.

The purpose of the utility model is realized like this: a road trimmer comprises a walking mechanism, wherein the walking mechanism comprises a frame, the frame is connected with two groups of driving components and two groups of rotating components, the two driving components are arranged at intervals in the front-back direction, the two rotating components are arranged at intervals in the front-back direction, the two driving components are symmetrically arranged about the center of the frame in the left-right direction, the two rotating components are symmetrically arranged about the center of the frame in the left-right direction, the frame is connected with a lifting support arm, the support arm extending out of the frame is connected with a trimming mechanism, the trimming mechanism comprises a rotatable fixing frame, one side of the fixing frame facing outwards is provided with a connecting frame, the connecting frame is provided with a horizontal supporting part, the horizontal supporting part is connected with a plurality of pull rods which are arranged in a straight line and have adjustable heights, one end of each pull rod extending out of the horizontal supporting part, one end extending out of the adjusting frames downwards is rotatably connected with a cutting disc, and in the three adjacent adjusting frames, one end of the uppermost adjusting frame is hinged with one end of the middle adjusting frame, and the other end of the middle adjusting frame is hinged with one end of the lowermost adjusting frame.

In the utility model, the rotation of the output shaft drives the rotation of the fixing frame, the height of the pull rod is adjusted, and in two adjacent adjusting frames, one adjusting frame rotates relative to the other adjusting frame so as to realize the shape adjustment formed by a plurality of cutting discs, the adjustment is convenient, each cutting disc independently rotates, when the transmission mechanism needs to be replaced, only the transmission mechanism on the corresponding adjusting frame needs to be replaced, the maintenance is convenient, and the efficiency is high; in addition, when the utility model is installed, the horizontal supporting part is provided with the threaded holes matched with the pull rods, only the pull rods are required to be screwed into the corresponding threaded holes, then the pull rods are hinged with the adjusting frames, and finally the adjusting frames are hinged, so that the installation is convenient; the driving assembly walks forwards or turns, the rotating assembly walks along with the walking of the driving assembly, the walking mechanism walks along the edge of the green belt, and the walking mechanism is small in size and small in occupied space; the device can be applied to the work of pruning spherical vegetation, and is particularly suitable for the work of pruning the roads at night without walking vehicles basically.

In order to further realize the trimming action, the adjusting frame comprises a hinged portion, one end of the hinged portion, which faces upwards, is hinged to one end of the pull rod, which extends downwards, the pull rod is in threaded connection with the horizontal supporting portion, two ends of one side of the hinged portion, which faces downwards, are respectively provided with a connecting portion, which extends downwards, a fixing portion is arranged between the two connecting portions, a cutting motor is fixedly connected to the upper side of the fixing portion, a rotatable cutting rotating shaft is connected onto the cutting motor, one end of the cutting rotating shaft, which extends downwards, is fixedly connected with a cutting disc, and.

In order to further realize the lifting of the supporting arm and the extension or lifting of the trimming mechanism, a fixed sleeve is fixedly connected to the upper side of the frame, the supporting arm is slidably connected to the fixed sleeve, two lifting drivers are fixedly connected to the upper side of the frame, a telescopic rod which vertically and upwardly extends is connected to the lifting drivers, the upwardly extending end part of the telescopic rod is fixedly connected with the supporting arm, and the lifting drivers are symmetrically arranged about the center of the supporting arm in the left-right direction; the upper side of the supporting arm is connected with a movable horizontal moving mechanism, one outward side of the horizontal moving mechanism is connected with a lifting mechanism, and the trimming mechanism is connected below the lifting mechanism.

In order to further realize the extension of the trimming mechanism, the horizontal moving mechanism comprises a horizontal connecting seat and a horizontal fixing block fixedly connected to the upper side of the angle adjusting rod, a horizontal fixing slide block is fixedly connected to the upward end of the horizontal fixing block, a vertical fixing block is fixedly connected to the front side of the horizontal connecting seat, a horizontal moving screw rod is rotatably connected to the horizontal connecting seat, the horizontal fixing slide block is in threaded connection with the horizontal moving screw rod, the lower side of one end of the horizontal connecting seat is fixedly connected with one end of a sliding plate, a horizontal sliding hole is formed in the horizontal fixing block, the other end of the horizontal sliding plate is fixedly connected with the other end of the horizontal connecting seat after penetrating through the horizontal sliding hole, the horizontal sliding plate can horizontally slide along the horizontal sliding hole, the other end of the horizontal connecting seat is one end far away from the lifting, the horizontal moving motor drives the horizontal moving screw rod to rotate, and one forward side of the horizontal connecting seat is connected with the lifting mechanism; in this design, horizontal fixed block and horizontal fixed slider all fix on angle adjusting lever, thereby the removal of drive horizontal migration lead screw drives the removal of whole horizontal joint seat, and elevating system connects on horizontal joint seat, and the horizontal sliding plate slides along horizontal fixed block, and connection structure is reliable, and when horizontal migration seat outwards extended or moved inwards, it was reliable to remove.

In order to further realize the lifting of the trimming mechanism, the lifting mechanism comprises a vertical connecting seat and a vertical fixing block fixedly connected to the front side of a horizontal connecting seat, one forward side of the vertical fixing block is fixedly connected with a vertical fixing sliding block, the vertical connecting seat is rotatably connected with a vertical moving screw rod, the vertical fixing sliding block is in threaded connection with the vertical moving screw rod, the upper part of the vertical connecting seat is fixedly connected with a vertical sliding plate, the vertical fixing block is provided with a vertical sliding hole, one downward end of the vertical sliding plate penetrates through the vertical sliding hole and is fixedly connected to the lower part of the vertical connecting seat, the vertical sliding plate can vertically slide along the vertical sliding hole, the upper side of the vertical connecting seat is fixedly connected with a vertical moving motor, and the vertical; in the design, the vertical fixing block and the vertical fixing sliding block are fixed at one end, facing outwards, of the horizontal connecting seat, the vertical sliding plate slides along the vertical fixing block, the connecting structure is reliable, the vertical connecting seat is reliable in lifting, and the trimming mechanism extends outwards or moves inwards under the action of the horizontal moving mechanism and the lifting mechanism and lifts upwards or moves downwards.

In order to further realize the rotation of the rotating disc, one downward side of the vertical connecting seat is fixedly connected with a rotating motor, the rotating motor is connected with an output shaft which extends downwards, the outer side of the output shaft is connected with a sliding ring, the inner sleeve and the outer side of the sliding ring are in clearance fit, the output shaft which extends downwards and out of the sliding ring is fixedly connected with an inner sleeve, and the inner sleeve is fixedly connected with the rotating disc; the rotating disc is provided with an upward opening, a cover plate is supported at the upward end of the rotating disc and is fixedly connected with the shell of the rotating motor, and an accommodating cavity is formed at the downward side of the cover plate, the inner side of the rotating disc and the outer side of the inner sleeve; in the design, the rotation of the rotating disc can be realized, power can be supplied to each cutting motor through the sliding ring, the structure is compact, the containing cavity is used for containing branches and leaves which are cut down, and the branches and leaves are reduced from scattering on the ground.

In order to further reduce scattering of branches and leaves, fixedly connected with air exhauster on the frame, the inlet scoop of air exhauster is connected with the exhaust tube, the one end and the cover connection of air exhauster are kept away from to the exhaust tube, opening down of exhaust tube with hold the chamber intercommunication, the downside of apron is connected with the leaf suction pipe, leaf suction pipe one end down is towards the cutting disc, leaf suction pipe one end up with hold the chamber intercommunication.

In order to further realize the walking and steering of the walking mechanism, the frame is respectively provided with a first driving groove and a second driving groove for accommodating the driving assembly, the driving assembly comprises an internal gear fixed on the frame, one side of the internal gear facing downwards is fixedly connected with a supporting bearing, the inner ring of the supporting bearing is matched with a fixed plate, one side of the fixed plate facing downwards is connected with a driving motor and a supporting frame, the output end of the driving motor is connected with a driving wheel, a steering motor is arranged in the frame and is fixedly connected with a right-angle reducer, the steering motor provides power input for the right-angle reducer, the output end of the right-angle reducer is connected with a driving bevel gear, one side of the fixed plate facing downwards is fixedly connected with a connecting sleeve extending upwards out of the fixed plate, the connecting sleeve is rotatably connected with a rotating shaft, the, a rotating shaft extending upwards out of the connecting sleeve is connected with a steering gear, and the steering gear is meshed with the inner teeth of the inner gear; in this design, during the walking, the rotation of driving motor direct drive wheel, when needing to turn to, turn to the motor action, right angle reduction gear slows down and turns to, right angle reduction gear drives and drives bevel gear and rotates, drive bevel gear drives the rotation that rotates bevel gear, the rotation that rotates bevel gear drives the rotation of axis of rotation, the rotation of axis of rotation drives the rotation that turns to the gear, rotating gear is along inner gear omnidirectional rotation, the drive wheel can 360 rotations, two drive assembly and rotating assembly diagonal angle setting respectively, running gear can move towards each direction, frame itself can keep motionless, do not take place to turn to promptly.

In order to further realize the walking of the rotating wheel, the rotating assembly comprises a rotating wheel which is rotatably connected to the frame, the rotating wheel is flush with the lowest edge of the rotating circumference of the driving wheel, and the rotating wheel is a universal wheel.

In order to facilitate the rotation of the adjusting frames, in any two adjacent adjusting frames below the uppermost end, one side of each adjusting frame, which is arranged oppositely, is provided with a rotating groove which is convenient for the rotation of the connecting part.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 3.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a second perspective view of the present invention.

Fig. 6 is a partially enlarged view of C in fig. 5.

Fig. 7 is a first three-dimensional structure diagram of the middle traveling mechanism of the present invention.

Fig. 8 is a partial enlarged view of fig. 7 at D.

Fig. 9 is a top view of the driving assembly of the present invention.

Fig. 10 is a view from E-E direction in the present invention.

Fig. 11 is a perspective view of the driving assembly of the present invention.

Fig. 12 is a three-dimensional structure view of the present invention in which the rotating disk and the inner sleeve are connected together.

Fig. 13 is a partial enlarged view of fig. 2 at F.

Fig. 14 is a third perspective view of the present invention.

Fig. 15 is a partial enlarged view at G in fig. 14.

Fig. 16 is a partial enlarged view of fig. 5 at H.

Fig. 17 is a second perspective view of the middle traveling mechanism of the present invention.

Wherein, 1 collecting box, 2 walking mechanism, 201 top plate, 202 frame, 203 bottom plate, 204 ultrasonic sensor, 205 rotating wheel, 206 right angle decelerator, 207 driving wheel, 208 steering motor, 209 driving motor, 210 mounting sleeve, 211 fixing plate, 212 rotating bevel gear, 213 driving bevel gear, 214 support frame, 215 internal gear, 216 steering gear, 217 motor connecting plate, 218 rotating shaft, 219 connecting sleeve, 220 supporting bearing, 221 mounting groove, 222 driving groove two, 223 driving groove one, 3 fixing sleeve, 4 trimming mechanism, 401 adjusting frame, 401a fixing part, 401b connecting part, 401c hinging part, 402 fixing frame, 403 connecting frame, 403a horizontal supporting part, cutting disc, 404 pull rod, 405 cutting motor, 406 cutting rotating shaft, 407 cutting disc, 408 rotating groove, 5 output shaft, 6 rotating disc, 7 rotating motor, 8 lifting mechanism, 801 vertical fixing block, 802 vertical connecting seat, 803 vertical fixed slide block, 804 vertical moving screw rod, 805 vertical sliding plate, 9 stretching mechanism, 901 horizontal sliding plate, 902 horizontal connecting seat, 903 horizontal fixed block, 904 horizontal fixed slide block, 905 horizontal moving screw rod, 906 horizontal sliding hole, 907 horizontal moving motor, 10 supporting arm, 11 air suction pipe, 12 lifting driver, 1201 telescopic rod, 13 exhaust fan, 14 cover plate, 15 connecting piece, 1501 connecting hole, 1502 horizontal part, 1503 inclined part, 16 sliding ring, 17 inner sleeve, 18 accommodating cavity, 19 suction vane pipe.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 17, a road trimmer comprises a walking mechanism 2, the walking mechanism 2 comprises a frame 202, the frame 202 is connected with two sets of driving components and two sets of rotating components, the two driving components are arranged at intervals in the front-rear direction, the two rotating components are arranged at intervals in the front-rear direction, the two driving components are symmetrically arranged about the center of the frame 202 in the left-right direction, the two rotating components are symmetrically arranged about the center of the frame 202 in the left-right direction, the frame 202 is connected with a liftable supporting arm 10, the supporting arm 10 extending out of the frame 202 is connected with a trimming mechanism 4, the trimming mechanism 4 comprises a rotatable fixing frame 402, one side of the fixing frame 402 facing outwards is provided with a connecting frame 403, the connecting frame 403 is provided with a horizontal supporting part 403a, the horizontal supporting part 403a is connected with a plurality of pull rods 404 which are arranged in a straight line and have adjustable height, one end of the pull rod 404 extending, one end of each adjusting frame 401 extending downwards is rotatably connected with a cutting disc 407, in three adjacent adjusting frames 401, one end of the uppermost adjusting frame 401 is hinged to one end of the middle adjusting frame 401, the other end of the middle adjusting frame 401 is hinged to one end of the lowermost adjusting frame 401, in any two adjacent adjusting frames 401 below the uppermost end, one side of two adjusting frames 401 is arranged oppositely, and a rotating groove 408 which is convenient for allowing the connecting portion 401b to rotate is formed in each adjusting frame 401.

In order to further realize the trimming action, the adjusting frame 401 comprises a hinge portion 401c, the upward end of the hinge portion 401c is hinged with the downward extending end of the pull rod 404, the pull rod 404 is in threaded connection with the horizontal supporting portion 403a, two downward extending connecting portions 401b are respectively arranged at two ends of the downward side of the hinge portion 401c, a fixing portion 401a is arranged between the two connecting portions 401b, a cutting motor 405 is fixedly connected to the upper side of the fixing portion 401a, a rotatable cutting rotating shaft 406 is connected to the cutting motor 405, a cutting disc 407 is fixedly connected to the downward extending end of the cutting rotating shaft 406, and the cutting rotating shaft 406 is perpendicular to the cutting disc 407.

In order to further realize the lifting of the supporting arm 10 and the extension or lifting of the trimming mechanism 4, the upper side of the frame 202 is fixedly connected with a fixed sleeve 3, the supporting arm 10 is slidably connected to the fixed sleeve 3, the upper side of the frame 202 is also fixedly connected with two lifting drivers 12, the lifting drivers 12 are connected with telescopic rods 1201 extending vertically and upwards, the ends of the telescopic rods 1201 extending upwards are fixedly connected with the supporting arm 10, and the lifting drivers 12 are symmetrically arranged about the center of the supporting arm 10 in the left-right direction; the upper side of the supporting arm 10 is connected with a movable horizontal moving mechanism 9, the outward side of the horizontal moving mechanism 9 is connected with a lifting mechanism 8, and the trimming mechanism 4 is connected below the lifting mechanism 8.

The structure of the horizontal moving mechanism 9 is specifically that the horizontal moving mechanism 9 comprises a horizontal connecting base 902 and a horizontal fixing block 903 fixedly connected to the upper side of the angle adjusting rod, a horizontal fixing slider 904 is fixedly connected to the upward end of the horizontal fixing block 903, a vertical fixing block 801 is fixedly connected to the front side of the horizontal connecting base 902, a horizontal moving screw 905 is rotatably connected to the horizontal connecting base 902, the horizontal fixing slider 904 is in threaded connection with the horizontal moving screw 905, the lower side of one end of the horizontal connecting base 902 is fixedly connected to one end of a sliding plate, a horizontal sliding hole 906 is formed in the horizontal fixing block 903, the other end of the horizontal sliding plate 901 is fixedly connected to the other end of the horizontal connecting base 902 after passing through the horizontal sliding hole 906, the horizontal sliding plate 901 can horizontally slide along the horizontal sliding hole 906, the other end of the horizontal connecting base 902 is the end far away from the lifting, the horizontal moving motor 907 drives the horizontal moving screw 905 to rotate, and the forward side of the horizontal connecting seat 902 is connected with the lifting mechanism 8.

The structure of the lifting mechanism 8 specifically includes that the lifting mechanism 8 includes a vertical connecting seat 802 and a vertical fixing block 801 fixedly connected to the front side of the horizontal connecting seat 902, one forward side of the vertical fixing block 801 is fixedly connected with a vertical fixing slider 803, the vertical connecting seat 802 is rotatably connected with a vertical moving screw 804, the vertical fixing slider 803 is in threaded connection with the vertical moving screw 804, the upper portion of the vertical connecting seat 802 is fixedly connected with a vertical sliding plate 805, the vertical fixing block 801 is provided with a vertical sliding hole, one downward end of the vertical sliding plate 805 passes through the vertical sliding hole and is fixedly connected to the lower portion of the vertical connecting seat 802, the vertical sliding plate 805 can vertically slide along the vertical sliding hole, the upper side of the vertical connecting seat 802 is fixedly connected with a vertical moving motor, and the vertical moving.

In order to further realize the rotation of the rotating disc 6, one downward side of the vertical connecting seat 802 is fixedly connected with a rotating motor 7, the rotating motor 7 is connected with an output shaft 5 extending downwards, the outer side of the output shaft 5 is connected with a sliding ring 16, an inner sleeve 17 and the outer side of the sliding ring 16 are in clearance fit, the output shaft 5 extending downwards outside the sliding ring 16 is fixedly connected with an inner sleeve 17, and the inner sleeve 17 is fixedly connected with the rotating disc 6; the rotating disc 6 is provided with an upward opening, a cover plate 14 is supported and arranged at one upward end of the rotating disc 6, the cover plate 14 is fixedly connected with a shell of the rotating motor 7 through a connecting piece 15, the connecting piece 15 comprises a horizontal part 1502 and an inclined part 1503 which are integrated, a plurality of connecting holes 1501 are respectively formed in the horizontal part 1502 and the inclined part 1503, the horizontal part 1502 can be attached to the upper side of the cover plate 14, the inclined part 1503 is attached to the shell of the rotating motor 7, the horizontal part 1502 and the cover plate 14 are connected together through the connecting holes 1501 in the horizontal part 1502 by fastening bolts, the inclined part 1503 is connected with the shell of the motor together by fastening bolts through the connecting holes 1501 in the inclined part 1503, and a containing cavity 18 is formed on one downward side of; fixedly connected with air exhauster 13 on frame 202, the inlet scoop of air exhauster 13 is connected with exhaust tube 11, and exhaust tube 11 is kept away from the one end and the apron 14 of air exhauster 13 and is connected, and opening down of exhaust tube 11 with hold chamber 18 intercommunication, the downside of apron 14 is connected with suction vane tube 19, suction vane tube 19 one end down is towards cutting disc 407, suction vane tube 19 one end up with hold chamber 18 intercommunication.

In order to further realize the walking and steering of the walking mechanism 2, a top plate 201 is arranged on the upper side of a frame 202, a bottom plate 203 is arranged on the lower side of the frame 202, an installation sleeve 210 with a downward opening is fixedly connected on the upper side of the bottom plate 203, a driving component is arranged below the top plate 201, a fixed sleeve 3 is arranged on the upper side of the top plate 201, two driving grooves 223 which respectively accommodate the driving component are arranged on the frame 202, two driving grooves 222 which respectively accommodate a rotating component are also arranged on the frame 202, the driving component comprises an internal gear 215 which is fixed on the frame 202, a supporting bearing 220 is fixedly connected on the downward side of the internal gear 215, a fixed plate 211 is matched on the inner ring of the supporting bearing 220, a motor connecting plate 217 is fixedly connected on the fixed plate 211, a driving motor 209 is connected on the motor connecting plate 217 which downwards extends out of the fixed plate 211, a supporting frame 214, a steering motor 208 is arranged in the frame 202, a right-angle reducer 206 is fixedly connected to the support frame 214, the steering motor 208 provides power input for the right-angle reducer 206, the output end of the right-angle reducer 206 is connected with a driving bevel gear 213, a connecting sleeve 219 which extends upwards out of the fixing plate 211 is fixedly connected to the downward side of the fixing plate 211, a rotating shaft 218 is rotatably connected in the connecting sleeve 219, a rotating bevel gear 212 is connected on the rotating shaft 218 which extends downwards out of the connecting sleeve 219, the driving bevel gear 213 is meshed with the rotating bevel gear 212, a steering gear 216 is connected on the rotating shaft 218 which extends upwards out of the connecting sleeve 219, and the steering gear 216 is meshed with the internal teeth of the internal gear 215 (the internal teeth of the; the rotating assembly comprises a rotating wheel 205 which is rotatably connected to the frame 202, the rotating wheel 205 is flush with the lowest edge of the rotating circumference of the driving wheel 207, and the rotating wheel 205 is a universal wheel; in addition, two ultrasonic sensors 204 are respectively connected to the periphery of the frame 202, the ultrasonic sensors 204 on the left and right sides of the frame 202 detect the distance between the frame 202 and the edge of the green belt, and the ultrasonic sensors 204 on the front and rear sides of the frame 202 are used for detecting whether an obstacle exists or the distance between the obstacle and the front and rear obstacles; the frame 202 is further provided with a mounting groove 221 for mounting a control system (the control system is not shown in the drawing, and the control system is mounted in the mounting groove 221 in actual use), and the control system controls and drives the driving motor 209 and the steering motor 208.

In the utility model, an infrared sensor is arranged at the lower side of the rotating disc 6; firstly, adjusting the position of each cutting disc 407 to enable the shape enclosed by all the cutting discs 407 to approximate to the shape of vegetation to be trimmed, specifically, sequentially rotating each pull rod 404 from bottom to top, when the size of an arc needs to be reduced, controlling the rotating direction of the pull rods 404 to enable the pull rods 404 to move downwards, when the size of the arc needs to be increased, reversely rotating the pull rods 404, lifting the pull rods 404 upwards, and when the shape enclosed by the cutting discs 407 is approximate to the shape of spherical vegetation to be trimmed, stopping rotating the pull rods 404, screwing nuts on the pull rods 404, and enabling the nuts to abut against the upper side of the horizontal supporting part 403 a; in addition, before the vegetation is trimmed, the trimming mechanism 4 is far away from the vegetation, the telescopic rod 1201 is in an extending state, and the trimming mechanism 4 is above the vegetation; the truck can transport a plurality of the pruning machines, the pruning machines are transported to corresponding areas to be pruned, the travelling mechanism 2 travels to a position close to the edge of the green belt, the steering motor 208 operates to enable the steering gear 216 to be forward, the driving motor 209 operates to control the operation direction of the driving motor 209, the frame 202 is enabled to travel forward along the edge of the green belt, the horizontal moving mechanism 9 operates, the horizontal moving motor 907 drives the horizontal moving screw 905 to rotate, the horizontal moving screw 905 moves while rotating, the horizontal connecting seat 902 moves under the action of the horizontal moving screw 905, the operation direction of the horizontal moving motor 907 is controlled to enable the horizontal moving screw 905 to move outwards, when the infrared sensor just starts to detect the vegetation, the position at the moment is recorded as d1, the horizontal moving motor 907 continues to operate, when the infrared sensor just starts to detect no vegetation, the horizontal moving motor 907 stops operating, the position at this moment is recorded as d2, the horizontal moving motor 907 reversely operates to enable the rotating disc 6 to reversely move (d2-d1)/2, the center of the rotating disc 6 basically faces to the center in the left-right direction of vegetation to be trimmed at this moment, the horizontal moving motor 907 stops operating, meanwhile, when the travelling mechanism 2 travels forwards, the position at this moment is recorded as d3 when the infrared sensor just detects vegetation, the driving motor 209 continues operating, when the infrared sensor just cannot detect the vegetation to be trimmed, the position at this moment is recorded as d4, the driving motor 209 reversely operates to enable the travelling mechanism 2 to reversely travel (d 4-d 3)/2 distance, the driving motor 209 stops operating, at this moment, the center of the rotating disc 6 basically faces to the center of the vegetation to be trimmed, and the driving motor 209 stops operating; when the trimming mechanism 4 descends to a set height, the linear driver stops acting; the lifting mechanism 8 acts, the lifting moving motor drives the vertical moving screw rod 804 to rotate, the vertical moving screw rod 804 moves up and down under the action of the vertical moving slide block and rotates, the rotating direction of the lifting moving motor is controlled, the uppermost cutting disc 407 is in contact with the top of vegetation to be trimmed, the rotating motor 7 and the exhaust fan 13 act, the output shaft 5 rotates, the rotation of the output shaft 5 drives the fixing frame 402 to rotate, the rotation of the fixing frame 402 drives the connecting frame 403 to rotate, the rotation of the connecting frame 403 drives all the adjusting frames 401 to rotate, meanwhile, the cutting motor 405 acts, the cutting disc 407 rotates, the cutting disc 407 trims the branches and leaves, the trimmed branches and leaves sequentially pass through the leaf suction pipe 19, the accommodating cavity 18 and the exhaust pipe 11 to enter the exhaust fan 13, the exhaust fan 13 arranges the branches and leaves into the collection box 1, and further reduces scattering of the branches and leaves, the cleaning workload of sanitation workers is reduced; in the utility model, the walking mechanism 2 has small volume and reduces the occupied space, the walking mechanism 2 drives the pruning mechanism 4 to walk and reverse, and the walking mechanism 2 can automatically walk along the edge of the green belt; the position adjustment of the trimming mechanism 4 is realized through the combined arrangement of the linear driver, the horizontal moving mechanism 9 and the vertical moving mechanism; the rotating disc 6 is connected with the output shaft 5, the rotating disc 6 and the trimming mechanism 4 synchronously rotate, the trimmed branches and leaves are drawn into the accommodating cavity 18 of the rotating disc 6, and meanwhile, the slip ring 16 supplies power to each cutting motor 405; when the transmission mechanism needs to be replaced, only the transmission mechanism on the corresponding adjusting frame 401 needs to be replaced, so that the maintenance is convenient, and the efficiency is high; in addition, when the utility model is installed, the horizontal supporting part 403a is provided with threaded holes matched with the pull rods 404, and only the pull rods 404 are required to be screwed into the corresponding threaded holes, then the pull rods 404 are hinged with the adjusting frames 401, and finally the adjusting frames 401 are hinged, so that the installation is convenient; can be applied to the work of pruning spherical vegetation.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. A road trimmer comprises a walking mechanism, the walking mechanism comprises a frame, and is characterized in that the frame is connected with two groups of driving components and two groups of rotating components, the two driving components are arranged at intervals in the front and rear direction, the two rotating components are arranged at intervals in the front and rear direction, the two driving components are symmetrically arranged about the center of the frame in the left and right direction, the two rotating components are symmetrically arranged about the center of the frame in the left and right direction, the frame is connected with a lifting support arm, the support arm extending out of the frame is connected with a trimming mechanism, the trimming mechanism comprises a rotatable fixing frame, one side of the fixing frame facing outwards is provided with a connecting frame, the connecting frame is provided with a horizontal support part, the horizontal support part is connected with a plurality of pull rods which are arranged in a straight line and have adjustable heights, one end of each pull rod extending out of the horizontal support part, one end extending out of the adjusting frames downwards is rotatably connected with a cutting disc, and in the three adjacent adjusting frames, one end of the uppermost adjusting frame is hinged with one end of the middle adjusting frame, and the other end of the middle adjusting frame is hinged with one end of the lowermost adjusting frame.

2. The trimming machine for roads of claim 1, wherein the adjusting frame comprises a hinge portion, an upward end of the hinge portion is hinged to a downward extending end of the pull rod, the pull rod is in threaded connection with the horizontal support portion, two ends of a downward side of the hinge portion are respectively provided with a downward extending connecting portion, a fixing portion is arranged between the two connecting portions, a cutting motor is fixedly connected to an upper side of the fixing portion, a rotatable cutting rotating shaft is connected to the cutting motor, a cutting disc is fixedly connected to a downward extending end of the cutting rotating shaft, and the cutting rotating shaft is perpendicular to the cutting disc.

3. The road trimmer according to claim 1, wherein a fixing sleeve is fixedly connected to the upper side of the frame, the supporting arm is slidably connected to the fixing sleeve, two lifting drivers are fixedly connected to the upper side of the frame, a vertically and upwardly extending telescopic rod is connected to the lifting drivers, the upwardly extending end of the telescopic rod is fixedly connected to the supporting arm, and the lifting drivers are symmetrically arranged with respect to the center of the supporting arm in the left-right direction; the upper side of the supporting arm is connected with a movable horizontal moving mechanism, one outward side of the horizontal moving mechanism is connected with a lifting mechanism, and the trimming mechanism is connected below the lifting mechanism.

4. The trimming machine for roads of claim 3, wherein the horizontal moving mechanism comprises a horizontal connecting base and a horizontal fixing block fixedly connected to the upper side of the angle adjusting rod, the upward end of the horizontal fixing block is fixedly connected with a horizontal fixing slide block, the front side of the horizontal connecting base is fixedly connected with a vertical fixing block, the horizontal connecting base is rotatably connected with a horizontal moving screw rod, the horizontal fixing slide block is in threaded connection with the horizontal moving screw rod, the lower side of one end of the horizontal connecting base is fixedly connected with one end of a sliding plate, the horizontal fixing block is provided with a horizontal sliding hole, the other end of the horizontal sliding plate passes through the horizontal sliding hole and is fixedly connected with the other end of the horizontal connecting base, the horizontal sliding plate can horizontally slide along the horizontal sliding hole, and the other end of the horizontal connecting base is the end far away from, the other end fixed connection of horizontal connecting seat has the horizontal migration motor, and horizontal migration motor drive horizontal migration lead screw rotates, and horizontal connecting seat one side forward is connected with elevating system.

5. The trimming machine for roads of claim 4, wherein the lifting mechanism comprises a vertical connecting seat and a vertical fixing block fixedly connected to the front side of the horizontal connecting seat, a vertical fixing slider is fixedly connected to the forward side of the vertical fixing block, a vertical moving screw rod is rotatably connected to the vertical connecting seat, the vertical fixing slider is in threaded connection with the vertical moving screw rod, a vertical sliding plate is fixedly connected to the upper portion of the vertical connecting seat, a vertical sliding hole is formed in the vertical fixing block, the downward end of the vertical sliding plate passes through the vertical sliding hole and is fixedly connected to the lower portion of the vertical connecting seat, the vertical sliding plate can vertically slide along the vertical sliding hole, a vertical moving motor is fixedly connected to the upper side of the vertical connecting seat, and the vertical moving motor drives the vertical moving screw rod to rotate.

6. The road trimmer according to claim 5, wherein a rotating motor is fixedly connected to the downward side of the vertical connecting seat, an output shaft extending downwards is connected to the rotating motor, a sliding ring is connected to the outer side of the output shaft, an inner sleeve is in clearance fit with the outer side of the sliding ring, an inner sleeve is fixedly connected to the output shaft extending downwards and outside the sliding ring, and a rotating disc is fixedly connected to the inner sleeve; the rolling disc is provided with an upward opening, a cover plate is supported by one upward end of the rolling disc and fixedly connected with a shell of the rotating motor, and an accommodating cavity is formed in one downward side of the cover plate, the inner side of the rolling disc and the outer side of the inner sleeve.

7. The trimming machine for roads of claim 6, wherein an exhaust fan is fixedly connected to the upper side of the frame, an exhaust inlet of the exhaust fan is connected with an exhaust pipe, one end of the exhaust pipe, which is far away from the exhaust fan, is connected with the cover plate, a downward opening of the exhaust pipe is communicated with the accommodating cavity, a lower side of the cover plate is connected with a leaf suction pipe, a downward end of the leaf suction pipe faces the cutting disc, and an upward end of the leaf suction pipe is communicated with the accommodating cavity.

8. The trimming machine for roads of any one of claims 2 to 7, wherein the frame is provided with a first driving groove and a second driving groove for accommodating the driving assembly, the driving assembly comprises an internal gear fixed on the frame, a support bearing is fixedly connected to a downward side of the internal gear, a fixing plate is fitted on an inner ring of the support bearing, a driving motor and a support frame are connected to a downward side of the fixing plate, a driving wheel is connected to an output end of the driving motor, a steering motor is arranged in the frame, a right-angle reducer is fixedly connected to the support frame, the steering motor provides power input for the right-angle reducer, a driving bevel gear is connected to an output end of the right-angle reducer, a connecting sleeve extending upwards out of the fixing plate is fixedly connected to a downward side of the fixing plate, a rotating shaft is rotatably connected to the connecting sleeve, and a, the driving bevel gear is meshed with the rotating bevel gear, a rotating shaft extending upwards out of the connecting sleeve is connected with a steering gear, and the steering gear is meshed with the inner teeth of the inner gear.

9. The road trimmer of claim 8, wherein the rotating assembly comprises a rotating wheel rotatably connected to the frame, the rotating wheel being flush with a lowermost edge of a circumference of rotation of the drive wheel, the rotating wheel being a universal wheel.

10. The road trimmer according to any one of claims 2 to 7, wherein the two adjusting brackets are arranged on opposite sides of any two adjacent adjusting brackets below the uppermost end, and each adjusting bracket is provided with a rotating groove for conveniently rotating the connecting part.