CN110637625B

CN110637625B - Device is maintained with greenbelt in municipal administration

Info

Publication number: CN110637625B
Application number: CN201910873430.7A
Authority: CN
Inventors: 吴天祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2021-08-10
Anticipated expiration: 2039-09-17
Also published as: CN110637625A

Abstract

The municipal green belt maintenance device comprises a trimming box, wherein a straight sliding groove is respectively formed in the top center of the inner wall of the trimming box and the bottom center of the inner wall of the trimming box, and a first rack and a second rack are respectively and fixedly installed on the lower half part of the inner wall of the front end of the trimming box and the upper half part of the inner wall of the rear end of the trimming box, and the municipal green belt maintenance device has the beneficial effects that: the full-mechanical automatic pruning machine is simple in structure and easy and convenient to operate, can be used for full-mechanical automatic pruning of green belts, avoids the problems of manual operation, labor waste, time consumption and the like during urban green belt pruning, does not need electric drive, greatly improves adaptability, is high in pruning speed and high in pruning efficiency, can be used for pruning after the green belt branches and leaves are gathered, is uniform in pruning effect, greatly reduces labor intensity of workers, reduces labor cost, can be used for adapting to different green belts through adjustment, and is simple, efficient, convenient and fast.

Description

Device is maintained with greenbelt in municipal administration

Technical Field

The invention relates to the technical field of municipal maintenance, in particular to a municipal green belt maintenance device.

Background

At present, the green belt 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. The green belt can also prevent dust diffusion between the fast lane and the slow lane from a certain angle. As a road green land in an urban green land, a green belt of a vehicle and a green belt of a road tree are separated, and an uplink motor vehicle lane, a non-motor vehicle lane and a sidewalk are separated; the traffic island green land organizes annular traffic, so that vehicles run in a certain interweaving mode, and the occurrence of traffic accidents is reduced. Although the green car separating belt is small, the green car separating belt is widely distributed in cities, the position is important and obvious, and the influence on the appearance of the cities is large. The lanes are separated by the green belts, the driving track and the safety of vehicles are guaranteed, the relation between traffic and greening is reasonably processed, the effects of dredging traffic and safety isolation are achieved, meanwhile, glare of vehicles driving oppositely can be blocked, however, green belt trimming is high-intensity work in the municipal maintenance process, in the prior art, manual hand-held scissors or electric tools are generally adopted for trimming, the working efficiency is low, the labor cost is high, branches and leaves of the green belts frequently swing everywhere due to the thrust generated when blades cut in the trimming process, the trimming effect is affected, and therefore the requirements can be met only by manually and repeatedly trimming, and therefore, the development of a municipal green belt maintenance device is necessary and urgent.

Disclosure of Invention

The municipal green belt maintenance device solves the problems in the prior art, can automatically prune green belts in a full-mechanical mode, avoids the problems of manual operation, labor waste, time consumption and the like during pruning of the urban green belts, solves the problem that a common pruning tool needs to prune the green belts repeatedly during use, is high in pruning speed and pruning efficiency, greatly reduces the labor intensity of workers, can adapt to different green belts through adjustment, and is simple, high in efficiency, convenient and quick.

The invention adopts the technical scheme for solving the technical problems that: the municipal green belt maintenance device comprises a trimming box, wherein a straight chute is respectively arranged at the top center and the bottom center of the inner wall of the trimming box, a rack I and a rack II are respectively and fixedly arranged at the lower half part of the inner wall at the front end and the upper half part of the inner wall at the rear end of the trimming box, a rotating shaft I is arranged above the trimming box, the bottom of the rotating shaft I sequentially passes through the straight chute at the top of the inner wall of the trimming box and the straight chute at the bottom of the inner wall of the trimming box and then reaches the lower part of the trimming box, the outer side of the rotating shaft I is slidably connected with the inner wall of the straight chute, a gear II and a gear I which are respectively and rotatably connected with the rack II and the rack I are meshed with each other are respectively and rotatably connected at the outer side of the inner part of the trimming box, a ratchet I and a ratchet II are respectively and a ratchet II are fixedly arranged at the outer side of the part between the gear II and the gear I from top to bottom, and a fixing column I are respectively and fixedly arranged at the right end of the bottom of the gear II and right end of the top of the gear I, the outer side of the first fixing column is respectively connected with a pawl through a torsion spring, the pawl respectively supports against the ratchet of the first ratchet and the ratchet of the second ratchet, cylinders are respectively arranged at the front end and the rear end of the left half part of the bottom of the trimming box and the front end and the rear end of the right half part of the bottom of the trimming box, a support plate is fixedly arranged at the bottom of the cylinder of the left half part of the bottom of the trimming box, a rotating shaft IV is rotatably connected with the lower half part of one end of the support plate close to the trimming box, a power box is fixedly arranged at the bottom of the cylinder of the right half part of the bottom of the trimming box, a channel communicated with the outside is arranged in the middle of the inner wall of the right end of the power box, extension plates are respectively fixedly arranged at the front half part and the rear half part of the right, the front end and the rear end of the second rotating shaft are respectively fixedly provided with a pedal rod, the other end of the pedal rod is rotatably connected with a pedal, the right half part inside the power box is provided with a first worm which is rotatably connected with the inner walls of the front end and the rear end of the power box, the first worm is aligned with the middle part of the channel, the outer side of the middle part of the first worm is fixedly provided with a second belt pulley, the second belt pulley is connected with the outer side of the first belt pulley through a belt, the front end and the rear end of the power box, which are positioned at the left side of the first worm, are respectively provided with a second worm, the bottom and the top of the second worm in front of the first worm are rotatably connected with the bottom and the top of the inner wall of the power box, the bottom of the second worm at the rear of the first worm is rotatably connected with the bottom of the inner wall of the power box, the top of the second worm at the rear of the first worm passes through the top of the inner wall of the power box and then reaches the upper part of the power box, the outer sides of the two worms in the inner part of the power box are respectively fixedly provided with a first worm wheel meshed with the first worm, a second worm wheel meshed with the second worm wheel and positioned below the first worm wheel is arranged between the two worms, the center of the second worm wheel is fixedly provided with a third rotating shaft, the right end of the third rotating shaft is rotatably connected with the inner wall of the right end of the power box, the left end of the third rotating shaft penetrates through the inner wall of the left end of the power box and then reaches the left side of the power box, the outer side of the third rotating shaft is rotatably connected with the inner wall of the left end of the power box, the fourth rotating shaft is positioned on the outer side of the right side of the supporting plate and is respectively and fixedly provided with wheels, the bottoms of which are contacted with the ground, the three opposite ends of the fourth rotating shaft and the third rotating shaft are respectively and rotatably connected with universal balls, the fixed bottom of the right end of the power box is provided with an L plate, the top of the L plate is flush with the top of the trimming box, the seat plate fixedly arranged on the upper half part of the right end of the power box, the sun shield in the facility can not only provide sun shielding for operators, but also play a role in strengthening and supporting the second worm.

For further improvement, a sun shield fixedly connected with the top of the L-shaped plate is fixedly mounted at the top of the right end of the trimming box, the second worm penetrates through the sun shield, and the outer side of the second worm is rotatably connected with the inside of the sun shield.

Further perfection, the bottom array of the L-shaped plate is rotatably connected with universal wheels with bottoms contacting with the ground.

The improved trimming box is characterized in that a baffle is fixedly mounted on the left portion of the straight sliding groove at the top of the trimming box, a sliding block is fixedly mounted on the outer side of the portion, located above the trimming box, of the rotating shaft, the sliding block is connected with the top of the trimming box in a sliding mode, a spring is fixedly mounted between the sliding block and the baffle, an inclined convex column is fixedly mounted at the right end of the sliding block, a sleeve is fixedly mounted on the outer side of the portion, located above the sun shield, of the worm, and a cam is fixedly mounted on the outer side of the sleeve.

Further perfection, the bottom of the trimming box is provided with matching grooves at the front and rear sides of a straight sliding groove, a box body II is arranged below a rotating shaft I, the outer side of the bottom of the rotating shaft I is rotatably connected with a rotating sleeve, a rotating shaft II which penetrates through the inner wall of the top of the box body II and is then rotatably connected with the center of the inner wall of the bottom of the box body II is fixedly arranged at the bottom of the rotating shaft I, air outlets arranged at the periphery of the rotating shaft II are arranged on the array of the inner wall of the top of the box body II, the rotating shaft II is rotatably connected with the top of the box body II, a bevel gear I is movably and fixedly arranged at the outer side of the upper half part of the box body II, the rotating shaft II is arranged at the outer side of the upper part of the box body II, a bevel gear III is meshed with the left end of the bevel gear II, a rotating shaft V extending to the left end of the bevel gear III is rotatably connected with the center of the rotating shaft V, a fixed plate is fixedly arranged at the left end of the rotating shaft V, and connecting rods which are slidably connected with the matching grooves are fixedly arranged at the front and rear ends of the top of the fixed plate, a moving rod is fixedly arranged between the connecting rods, one end of the moving rod, which is close to the first rotating shaft, is provided with a bridging rod fixedly connected with a rotating sleeve, the outer side of the upper half part of the box body is fixedly provided with a round box, the inner wall of the upper half part of the box body is provided with an air vent communicated with the inside of the round box, the outer side array of the second rotating shaft, which is positioned in the inner part of the box body, is fixedly provided with fan blades, the outer side array of the lower half part of the box body is fixedly provided with a fixed disc, the top edge and the bottom edge of the fixed disc are fixedly provided with a second fixed column, the outer side of the fixed column is rotatably connected with fan-shaped plates, the directions of the fan-shaped plates at the top of the fixed disc and the bottom of the fixed disc are opposite, the fan-shaped plates are fixedly provided with blades, the fan-shaped plates are far away from one side of the box body, are fixedly provided with rubber strips, the top of the fixed disc is fixedly provided with a limiting pin column which props against the fan-shaped plate and is close to the edge of one side of the two boxes.

The invention has the beneficial effects that: the full-mechanical automatic pruning machine is simple in structure and easy and convenient to operate, can be used for full-mechanical automatic pruning of green belts, avoids the problems of manual operation, labor waste, time consumption and the like during urban green belt pruning, does not need electric drive, greatly improves adaptability, is high in pruning speed and high in pruning efficiency, can be used for pruning after the green belt branches and leaves are gathered, is uniform in pruning effect, greatly reduces labor intensity of workers, reduces labor cost, can be used for adapting to different green belts through adjustment, and is simple, efficient, convenient and fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 1;

FIG. 5 is a sectional view taken along line B-B of FIG. 1;

FIG. 6 is a partial enlarged view D of FIG. 1;

fig. 7 is a sectional view taken along line C-C in fig. 6.

Description of reference numerals: the trimming box comprises a trimming box 1, a ratchet wheel I2, a rack II 3, a baffle plate 4, a spring 5, a sliding block 6, a gear II 7, a tilted convex column 8, a sleeve 9, a cam 10, a sun shield 11, a fixed column 12, a gear I13, a ratchet wheel II 14, a matching groove 15, a rotating shaft I16, a pawl 17, a straight sliding groove 18, a worm gear II 19, a worm gear I20, a rotating shaft III 21, a wheel 22, a supporting plate 23, a rotating shaft IV 24, a seat plate 25, an L plate 26, a universal wheel 27, a rotating shaft II 28, an extending plate 29, a belt pulley II 30, a worm gear I31, a worm gear II 32, a pedal 33, a pedal rod 34, an air cylinder 35, a rack I36, a power box 37, a channel 38, a belt pulley I39, a belt 40, universal balls 41, a rotating shaft V42, a bevel gear III 43, a bevel gear II 44, a bevel gear I45, a round box 46, a mesh 47, a fixed disc 48, a box II 49, a vent hole 50, a fixed plate 51, a connecting rod 52, a fixed column II 53, a fixed column 53, a fixed disc 8, a sleeve 9, a cam, a sleeve 9 sleeve, a cam, a sleeve, sector plate 54, rubber strip 55, limit pin 56, blade 57, bridging rod 58, rotating sleeve 59, second rotating shaft 60, moving rod 61, air outlet 62 and fan blades 63.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

with reference to figures 1, 2, 3, 4, 5: the municipal green belt maintenance device comprises a trimming box 1, wherein a straight sliding groove 18 is respectively arranged at the top center of the inner wall and the bottom center of the inner wall of the trimming box 1, a rack I36 and a rack II 3 are respectively and fixedly arranged at the lower half part of the inner wall of the front end and the upper half part of the inner wall of the rear end of the trimming box 1, a rotating shaft I16 is arranged above the trimming box 1, the bottom of the rotating shaft I16 sequentially penetrates through the straight sliding groove 18 at the top of the inner wall of the trimming box 1 and the straight sliding groove 18 at the bottom of the inner wall of the trimming box 1 and then reaches the lower part of the trimming box 1, the outer side of the rotating shaft I16 is in sliding connection with the inner wall of the straight sliding groove 18, a gear II 7 and a gear I13 which are meshed with the rack II 3 and the rack I36 are respectively and rotatably connected to the outer side of the rotating shaft I16, a ratchet wheel I2 and a ratchet wheel II 14 are respectively and fixedly arranged from top to bottom on the outer side of the portion between the gear II 7 and the gear I13, the right end of the bottom of the second gear 7 and the right end of the top of the first gear 13 are respectively and fixedly provided with a first fixing column 12, the outer side of the first fixing column 12 is respectively connected with a pawl 17 through a torsion spring, the pawl 17 is respectively propped against the ratchet of the first ratchet 2 and the ratchet of the second ratchet 14, the front end and the rear end of the left half of the bottom of the trimming box 1 and the front end and the rear end of the right half of the bottom of the trimming box 1 are respectively provided with an air cylinder 35, the bottom of the air cylinder 35 of the left half of the bottom of the trimming box 1 is fixedly provided with a support plate 23, the lower half of one end of the support plate 23 close to the trimming box 1 is rotatably connected with a rotating shaft four 24, the bottom of the air cylinder 35 of the right half of the bottom of the trimming box 1 is fixedly provided with a power box 37, the middle part of the inner wall of the right end of the power box 37 is provided with a passage 38 communicated with the outside, the front half and the rear half of the right end of the power box 37 are respectively and fixedly provided with extension plates 29, and the passage 38 is positioned between the extension plates 29, the extension board 29 between rotate be connected with around both ends pass the pivot two 28 of extension board 29, pivot two 28 are located between the extension board 29 part outside fixed mounting have belt pulley 39, both ends fixed mounting have foot bar 34 respectively around pivot two 28, the foot bar 34 other end rotates and is connected with footboard 33, the inside right half of headstock 37 is equipped with around the headstock 37 both ends inner wall rotate the worm one 31 of being connected, the worm one 31 aligns in the middle part with passageway 38, the worm one 31 middle part outside fixed mounting has belt pulley two 30, belt pulley two 30 and the belt pulley 39 outside are connected through belt 40, both ends are equipped with worm two 19 respectively around the inside worm one 31 left that is located of headstock 37, the two 19 bottoms and the top of the worm in the place ahead of worm one 31 rotate with headstock 37 inner wall bottom and inner wall top and be connected, the two 19 bottoms of the worm at a worm 31 rear are connected with headstock 37 inner wall bottom rotation, the top of the second worm 19 behind the first worm 31 passes through the top of the inner wall of the power box 37 and then reaches the upper part of the trimming box 1, the outer side of the second worm 19 behind the first worm 31 is rotatably connected with the top of the inner wall of the power box 37, the outer sides of the parts, located inside the power box 37, of the second worm 19 are respectively and fixedly provided with a first worm wheel 20 meshed with the first worm 31, a second worm wheel 32 located below the first worm wheel 20 is meshed between the second worm 19, the center of the second worm wheel 32 is fixedly provided with a third rotating shaft 21, the right end of the third rotating shaft is rotatably connected with the inner wall of the right end of the power box 37, the left end of the third rotating shaft passes through the inner wall of the left end of the power box 37 and then reaches the left side of the power box 37, the outer side of the third rotating shaft 21 is rotatably connected with the inner wall of the left end of the power box 37, the fourth rotating shaft 24 and the third rotating shaft 21 are respectively and fixedly provided with wheels 22, the bottoms of which are in contact with the ground, and the opposite ends of the fourth rotating shaft 41 are respectively and rotatably connected with the rotating shafts, an L-shaped plate 26 is fixedly mounted at the bottom of the right end of the power box 37, the top of the L-shaped plate is flush with the top of the trimming box 1, and a seat plate 25 fixedly connected with the L-shaped plate 26 is fixedly mounted at the upper half part of the right end of the power box 37.

With reference to figures 1, 2: the top of the right end of the trimming box 1 is fixedly provided with a sun shield 11 fixedly connected with the top of the L-shaped plate 26, the second worm 19 penetrates through the sun shield 11, and the outer side of the second worm 19 is rotatably connected with the inside of the sun shield 11.

Referring to figure 1: the bottom array of the L-shaped plate 26 is rotatably connected with universal wheels 27 with the bottoms contacting with the ground.

With reference to figures 1, 3: the part, located on the left of the straight sliding groove 18, of the top of the trimming box 1 is fixedly provided with a baffle 4, the outer side of the part, located on the upper side of the trimming box 1, of the first rotating shaft 16 is fixedly provided with a sliding block 6, the sliding block 6 is in sliding connection with the top of the trimming box 1, a spring 5 is fixedly arranged between the sliding block 6 and the baffle 4, the right end of the sliding block 6 is fixedly provided with an inclined convex column 8, the outer side of the part, located on the upper side of the sun shield 11, of the second worm 19 is fixedly provided with a sleeve 9, and the outer side of the sleeve 9 is fixedly provided with a cam 10.

With reference to figures 1, 2, 3, 4, 6, 7: the bottom of the trimming box 1 is provided with matching grooves 15 at the front and rear sides of a straight sliding groove 18, a second box body 49 is arranged below a first rotating shaft 16, the outer side of the bottom of the first rotating shaft 16 is rotatably connected with a rotating sleeve 59, a second rotating shaft 60 which penetrates through the inner wall of the top of the second box body 49 and is rotatably connected with the center of the inner wall of the bottom of the second box body 49 is fixedly arranged at the bottom of the first rotating shaft 16, air outlets 62 which are positioned at the periphery of the second rotating shaft 60 are arranged on the inner wall array of the top of the second box body 49, the second rotating shaft 60 is rotatably connected with the top of the second box body 49, a first bevel gear 45 is movably and fixedly arranged at the outer side of the upper half part of the second box body 49, a second bevel gear 44 which is positioned above the second box body 49 is meshed with a third bevel gear 43, the center of the third bevel gear 43 is rotatably connected with a fifth rotating shaft 42 which extends to the left end of the third bevel gear 43, and a fixing plate 51 is fixedly arranged at the left end of the fifth shaft 42, the front end and the rear end of the top of the fixed plate 51 are fixedly provided with connecting rods 52 which are in sliding connection with the matching grooves 15, a moving rod 61 is fixedly arranged between the connecting rods 52, one end of the moving rod 61, which is close to the first rotating shaft 16, is provided with a bridging rod 58 which is fixedly connected with a rotating sleeve 59, the outer side of the upper half of the second box body 49 is fixedly provided with a round box 46, the inner wall of the upper half of the second box body 49 is provided with a vent hole 50 which is communicated with the inside of the round box 46, the outer side of the inner part of the second rotating shaft 60, which is positioned in the second box body 49, is fixedly provided with fan blades 63 in an array manner, the fan blades 63 are positioned above the vent hole 50, the inner wall of the second box body 49 is distributed with meshes 47 which are communicated with the outside in an array manner, the outer side of the lower half of the second box body 49 is fixedly provided with a fixed plate 48, the top edge and the bottom edge of the fixed plate 48 are fixedly provided with second fixed columns 53, and the outer sides of the second fixed columns 53 are rotatably connected with fan-shaped plates 54, the fan-shaped plate 54 at the top of the fixed disc 48 and the fan-shaped plate 54 at the bottom face oppositely, a blade 57 is fixedly mounted on one side, close to the second box body 49, of the fan-shaped plate 54, a rubber strip 55 is fixedly mounted on one side, far away from the second box body 49, of the fan-shaped plate 54, a limiting pin 56 is fixedly mounted at the top of the fixed disc 48, and the limiting pin 56 abuts against the edge, close to one side of the second box body 49, of the fan-shaped plate 54.

When the device is used, the spring 5 pushes the sliding block 6 to enable the inclined convex column 8 to be always attached to the cam 10, the first rotating shaft 16 is located at the rightmost end of the first straight sliding groove 18, the universal ball 41 is attached to two sides of a green belt by changing the length of the fourth rotating shaft 24, a worker sits on the seat plate 25 to step the pedal 33 to drive the pedal lever 34 to rotate, the pedal lever 34 rotates to drive the first belt pulley 39 to rotate, the first belt pulley 39 rotates to drive the second belt pulley 30 to rotate through the belt 40, the second belt pulley 30 rotates to drive the first worm 31 to rotate, the first worm 31 rotates to drive the first worm wheel 20 to rotate, the first worm wheel 20 rotates to drive the second worm 19 to rotate, the second worm wheel 19 rotates to drive the second worm wheel 32 and the cam 10 to rotate, the second worm wheel 32 rotates to drive the third rotating shaft 21 to rotate, the third rotating shaft 21 rotates to drive the wheel 22 to rotate, the wheel 22 rotation driving device moves forward along the green belt, the cam 10 rotates to push the inclined convex column 8, and the sliding block 6 drives the first rotating shaft 16 to move towards the leftmost end of the first straight sliding groove 18, the spring 5 stores force, at the moment, the second gear 7 rotates along the second rack 3, the second gear 7 drives the first ratchet 2 to rotate clockwise through the pawl 17 on the second gear 7, the first ratchet 2 rotates to drive the first rotating shaft 16 to rotate clockwise, the first rotating shaft 16 rotates clockwise to drive the second rotating shaft 60 to rotate, the second rotating shaft 60 rotates to drive the second bevel gear 44 to rotate, the second bevel gear 44 rotates to drive the third bevel gear 43 to rotate, the third bevel gear 43 rotates to drive the first bevel gear 45 to rotate, the first bevel gear 45 rotates to drive the second box 49 to rotate, the second box 49 rotates to drive the fixed disc 48 to rotate, the fixed disc 48 rotates to drive the sector plate 54 to throw out, at the moment, the blade 57 cuts the green belt, meanwhile, the rotating direction of the blade 63 and the second box 49 attract branches and leaves outside the round box 46 at the moment around the round box 46, so that the blade 57 is easy to cut, the throwing out of the sector plate 54 at the top or the bottom of the fixed disc 48 can be selected by adjusting the rotating direction of the first rotating shaft 16, in the process, the first gear 13 rotates along the first rack 36, the rotation direction of the first gear 13 is opposite to that of the second gear 7, at the moment, the pawl 17 on the first gear 13 is not meshed with the ratchet teeth of the second ratchet 14, when the cam 10 passes through the maximum stroke, the spring 5 releases stored force to push the first rotating shaft 16 to move towards the rightmost end of the first straight sliding groove 16, at the moment, the pawl 17 on the first gear 13 drives the second ratchet 14 to rotate clockwise, and the second ratchet 14 rotates clockwise to drive the first rotating shaft 16 to rotate clockwise, so that the rotation direction of the first rotating shaft 7 cannot be changed when the first rotating shaft 16 moves back and forth in the first straight sliding groove 16, and the height of the green belt to be cut can be controlled by adjusting the height of the air cylinder 35.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a device is maintained with greenbelt to municipal administration, includes pruning case (1), characterized by: the trimming box is characterized in that a straight sliding groove (18) is respectively arranged at the top center of the inner wall of the trimming box (1) and at the bottom center of the inner wall of the trimming box (1), a rack I (36) and a rack II (3) are respectively and fixedly arranged at the lower half portion of the inner wall of the front end of the trimming box (1) and at the upper half portion of the inner wall of the rear end of the trimming box (1), a rotating shaft I (16) is arranged above the trimming box (1), the bottom of the rotating shaft I (16) sequentially penetrates through the straight sliding groove (18) at the top of the inner wall of the trimming box (1) and the straight sliding groove (18) at the bottom of the inner wall of the trimming box (1) and then reaches the lower portion of the trimming box (1), the outer side of the rotating shaft I (16) is slidably connected with the inner wall of the straight sliding groove (18), the outer side of the rotating shaft I (16) is rotatably connected with a gear II (7) and a gear I (13) which are meshed with the rack II (3) and the rack I (36), and the outer side of the rotating shaft I (16) is fixedly arranged from top to bottom of the outer side of the gear I (7) and the gear I (13) respectively and fixedly arranged between the gear I (7) and the gear I (13), and the ratchet wheel I (1), and the outer side of the gear is fixedly arranged from top to bottom (2) The second gear (7) and the first gear (13) are respectively and fixedly provided with a first fixing column (12) at the right end of the bottom, the outer side of the first fixing column (12) is respectively connected with a pawl (17) through a torsion spring, the pawl (17) respectively supports against ratchets of the first ratchet (2) and ratchets of the second ratchet (14), the front end and the rear end of the left half part of the bottom of the trimming box (1) and the front end and the rear end of the right half part of the bottom of the trimming box (1) are respectively provided with an air cylinder (35), the bottom of the air cylinder (35) of the left half part of the bottom of the trimming box (1) is fixedly provided with a support plate (23), the lower half part of one end of the support plate (23) close to the trimming box (1) is rotatably connected with a rotating shaft four (24), the bottom of the air cylinder (35) of the right half part of the bottom of the trimming box (1) is fixedly provided with a power box (37), and a passage (38) communicated with the outside is arranged in the middle part of the inner wall of the power box (37), half fixed mounting has extension board (29) respectively before headstock (37) right-hand member and latter half, passageway (38) are located between extension board (29), it passes pivot two (28) of extension board (29) to rotate between extension board (29) and be connected with both ends around being connected with, pivot two (28) are located between extension board (29) part outside fixed mounting have belt pulley (39), both ends fixed mounting has foot bar (34) respectively around pivot two (28), foot bar (34) other end rotates and is connected with footboard (33), headstock (37) inside right half is equipped with rotates worm (31) of being connected with headstock (37) front and back both ends inner wall, worm (31) align with passageway (38) middle part, worm (31) middle part outside fixed mounting has belt pulley two (30), belt pulley two (30) and belt pulley (39) outside are connected through belt (40), a second worm (19) is arranged at the front end and the rear end of the left side of the first worm (31) in the power box (37), the bottom and the top of the second worm (19) in front of the first worm (31) are rotationally connected with the bottom of the inner wall of the power box (37) and the top of the inner wall of the power box (37), the bottom of the second worm (19) behind the first worm (31) is rotationally connected with the bottom of the inner wall of the power box (37), the top of the second worm (19) behind the first worm (31) penetrates through the top of the inner wall of the power box (37) and then reaches the upper part of the trimming box (1), the outer side of the second worm (19) behind the first worm (31) is rotationally connected with the top of the inner wall of the power box (37), a first worm wheel (20) meshed with the first worm (31) is fixedly arranged on the outer side of the inner part of the power box (37), and a second worm wheel (32, a third rotating shaft (21) with the right end rotatably connected with the inner wall of the right end of the power box (37) and the left end penetrating through the inner wall of the left end of the power box (37) and reaching the left side of the power box (37) is fixedly arranged at the center of the second worm gear (32), the outer side of the third rotating shaft (21) is rotatably connected with the inner wall of the left end of the power box (37), the fourth rotating shaft (24) is positioned on the right outer side of the supporting plate (23) and the third rotating shaft (21) is positioned on the left outer side of the power box (37) and is respectively and fixedly provided with wheels (22) with the bottoms contacting with the ground, the opposite ends of the rotating shaft four (24) and the rotating shaft three (21) are respectively connected with a universal ball (41) in a rotating way, an L-shaped plate (26) is fixedly arranged at the bottom of the right end of the power box (37), the top of the L-shaped plate is flush with the top of the pruning box (1), the upper half part of the right end of the power box (37) is fixedly provided with a seat plate (25) fixedly connected with the L plate (26).

2. The municipal green belt maintenance device according to claim 1, wherein: the top of the right end of the trimming box (1) is fixedly provided with a sun shield (11) fixedly connected with the top of the L-shaped plate (26), the second worm (19) penetrates through the sun shield (11), and the outer side of the second worm (19) is rotatably connected with the inside of the sun shield (11).

3. The municipal green belt maintenance device according to claim 1, wherein: the bottom array of the L-shaped plate (26) is rotatably connected with universal wheels (27) with the bottoms contacting with the ground.

4. The municipal green belt maintenance device according to claim 1, wherein: trimming case (1) top is located a word spout (18) left part fixed mounting has baffle (4), pivot one (16) are located trimming case (1) top part outside fixed mounting has slider (6), slider (6) and trimming case (1) top sliding connection, fixed mounting has spring (5) between slider (6) and baffle (4), slider (6) right-hand member fixed mounting has oblique projection (8), worm two (19) are located sunshading board (11) top part outside fixed mounting has sleeve (9), sleeve (9) outside fixed mounting has cam (10).

5. The municipal green belt maintenance device according to claim 1, wherein: the trimming box is characterized in that matching grooves (15) are formed in the front and rear sides of the bottom of the trimming box (1) and located on a straight sliding groove (18), a second box body (49) is arranged below the first rotating shaft (16), a rotating sleeve (59) is rotatably connected to the outer side of the bottom of the first rotating shaft (16), a second rotating shaft (60) which penetrates through the inner wall of the top of the second box body (49) and is rotatably connected with the center of the inner wall of the bottom of the second box body (49) is fixedly installed at the bottom of the first rotating shaft (16), air outlets (62) located on the periphery of the second rotating shaft (60) are arranged in an array on the inner wall of the top of the second box body (49), the second rotating shaft (60) is rotatably connected with the top of the second box body (49), a first bevel gear (45) is movably and fixedly installed on the outer side of the upper half portion of the second box body (49), the second rotating shaft (60) is located on the outer side of the second box body (49), a third bevel gear (43) is meshed with the left end of the first bevel gear (44), the center of the third bevel gear (43) is rotatably connected with a fifth rotating shaft (42) extending to the left end of the third bevel gear (43), the left end of the fifth rotating shaft (42) is fixedly provided with a fixed plate (51), the front end and the rear end of the top of the fixed plate (51) are fixedly provided with connecting rods (52) in sliding connection with the matching grooves (15), moving rods (61) are fixedly arranged between the connecting rods (52), one ends of the moving rods (61) close to the first rotating shaft (16) are provided with bridging rods (58) fixedly connected with a rotating sleeve (59), the outer side of the upper half part of the second box body (49) is fixedly provided with a round box (46), the inner wall of the upper half part of the second box body (49) is provided with vent holes (50) communicated with the interior of the round box (46), the second rotating shaft (60) is positioned at the outer side of the interior of the second box body (49) and is fixedly provided with fan blades (63) in an array manner, and the fan blades (63) are positioned above the vent holes (50), the utility model discloses a two box (49) inner wall array distribution have the external mesh of intercommunication (47), two box (49) the latter half outside fixed mounting has fixed disk (48), fixed disk (48) top edge and bottom edge array fixed mounting have fixed column two (53), fixed column two (53) outside rotation is connected with sector plate (54), sector plate (54) at fixed disk (48) top and sector plate (54) of bottom face opposite, sector plate (54) are close to two box (49) one side fixed mounting of box have blade (57), two box (49) one side fixed mounting is kept away from in sector plate (54) has rubber strip (55), fixed disk (48) top fixed mounting has spacing round pin post (56), spacing round pin post (56) support sector plate (54) and are close to two box (49) one side reason.