CN112400511A

CN112400511A - Special pruning equipment in gardens

Info

Publication number: CN112400511A
Application number: CN202011289121.4A
Authority: CN
Inventors: 范瑶飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-26

Abstract

A garden special trimming device comprises a first fixed saw blade, a first movable saw blade, an incomplete gear ring, a mounting cover, a swing gear, a rack, a sliding block, a sliding rail, a second fixed saw blade, a second movable saw blade, a movable platform, a bottom plate and trundles; the mounting cover comprises an arc-shaped cover part and a frame-shaped cover part which are integrally connected, a swinging hole is formed in the arc-shaped cover part, and a moving hole is formed in the frame-shaped cover part in the vertical direction; the first fixed saw blade is arranged on the outer surface of the arc-shaped cover part, and the first movable saw blade is arranged on the side surface of the incomplete gear ring; the incomplete gear ring is rotationally arranged inside the arc-shaped cover part; the second fixed saw blade is vertically arranged on the outer surface of the frame-shaped cover part; the rack is connected with the sliding block; the sliding block is arranged on the sliding rail in a sliding manner; the swing gear is respectively meshed and connected with the incomplete gear ring and the rack. The invention can trim the landscape tree in an arc shape, a spherical shape and a linear shape, reduces the manpower, and has high trimming efficiency, more regular trimming and high trimming quality.

Description

Special pruning equipment in gardens

Technical Field

The invention relates to the technical field of garden pruning, in particular to special pruning equipment for gardens.

Background

The garden trees are important plant materials for landscaping, the cultivation management of the garden trees is well done, the production can be promoted, the landscaping and beautifying effect is improved, the normalizing effect is achieved, and the landscaping and beautifying function is achieved. The land, water, plants and buildings are four basic elements of gardens, the application of plants, lawns and landscape trees is the widest, and workers are generally required to prune the landscape trees in order to improve the attractiveness of the landscape trees.

To the trees that need carry out arc, spherical and straight line shape pruning, current mode generally uses the scissors manual to prune through the workman, if the view tree quantity that needs to prune is more, can lead to the workman to prune for a long time, and long-time pruning operation back, workman's physical power descends, prunes efficiency and reduces, prunes irregularly, prunes the quality and descends.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides the special garden trimming equipment which can be used for trimming landscape trees in an arc shape, a spherical shape and a linear shape, reduces manpower, and is high in trimming efficiency, regular in trimming and high in trimming quality.

(II) technical scheme

The invention provides special garden trimming equipment which comprises a first fixed saw blade, a first movable saw blade, an incomplete gear ring, a mounting cover, a swing gear, a rack, a sliding block, a sliding rail, a second fixed saw blade, a second movable saw blade, a movable platform, a bottom plate and trundles, wherein the first fixed saw blade is fixed on the base plate;

the mounting cover comprises an arc-shaped cover part and a frame-shaped cover part which are integrally connected, a swinging hole is formed in the arc-shaped cover part, and a moving hole is formed in the frame-shaped cover part in the vertical direction; the first fixed saw blade and the first movable saw blade are both arc-shaped saw blades and are coaxially arranged with the arc-shaped cover part, the first fixed saw blade is arranged on the outer surface of the arc-shaped cover part, the first movable saw blade is arranged on the side surface of the incomplete gear ring, the first movable saw blade is coaxially arranged with the incomplete gear ring, the first movable saw blade penetrates through the swinging hole, and the first movable saw blade is attached to the first fixed saw blade; the incomplete gear ring is rotationally arranged inside the arc-shaped cover part; the second fixed saw blade and the second movable saw blade are both linear saw blades; the second fixed saw blade is vertically arranged on the outer surface of the frame-shaped cover part; the second movable saw blade is arranged on the side surface of the rack, penetrates through the movable hole and is attached to the second fixed saw blade; the rack is connected with the sliding block; the sliding block is arranged on the sliding rail in a sliding manner; the slide rail is vertically arranged on the inner surface of the frame-shaped cover part; the swing gear is respectively meshed with the incomplete gear ring and the rack; the mounting cover is provided with a first driving device for driving the swinging gear to swing in a reciprocating manner; a third driving device for driving the moving platform to move along the vertical direction is arranged on the bottom plate; the mobile platform is provided with a second driving device for driving the mounting cover to rotate; the truckle sets up in the bottom plate.

Preferably, the first driving device comprises a first motor, a driving gear, an intermediate gear, a first driven gear, a second driven gear, a first incomplete gear, a second incomplete gear, a first connecting shaft and a second connecting shaft; the first motor is arranged on the inner surface of the mounting cover and is in driving connection with the driving gear; the driving gear is meshed with the intermediate gear and the first driven gear; the intermediate gear is rotatably arranged in the mounting cover and is in meshed connection with the second driven gear; the first driven gear and the first incomplete gear are coaxially arranged on the first connecting shaft; the second driven gear and the second incomplete gear are coaxially arranged on the second connecting shaft; the first connecting shaft and the second connecting shaft are rotatably arranged on the mounting cover; the first incomplete gear and the second incomplete gear are alternately in meshed connection with the swinging gear.

Preferably, the first incomplete gear and the second incomplete gear have the same structure and respectively comprise two sector-shaped tooth parts which are symmetrically arranged, the two sector-shaped tooth parts of the first incomplete gear are alternately meshed with the swing gear, the two sector-shaped tooth parts of the second incomplete gear are alternately meshed with the swing gear, and the swing gear is meshed with only one of the four sector-shaped tooth parts at a time.

Preferably, the mounting cover is provided with a mounting hole and is connected with a fixed platform; the mounting hole is an arc-shaped hole; the fixing table is of an arc boss structure and penetrates through the mounting hole; the incomplete gear ring is provided with a sliding groove used for being embedded into the end part of the fixed platform, and the incomplete gear ring is connected with the fixed platform in a sliding mode.

Preferably, the fixing table includes a first connecting table portion, a second connecting table portion and a third connecting table portion, the first connecting table portion, the second connecting table portion and the third connecting table portion have sequentially reduced cross-sectional sizes, the first connecting table portion, the second connecting table portion and the third connecting table portion are sequentially connected and integrally formed, and the third connecting table portion is slidably disposed in the sliding groove.

Preferably, the second driving device comprises a second motor, a driving gear, a connecting gear, a mounting shaft, a mounting shell and a connecting frame; the second motor is arranged on the mounting shell and is in driving connection with the driving gear; the driving gear is meshed with the connecting gear; the connecting gear is arranged on the mounting shaft; the mounting shaft is rotatably arranged on the mounting shell, and the bottom end of the mounting shaft is connected with the top of the mounting cover; the mounting shell is arranged on the connecting frame; the connecting frame is connected with the mobile station.

Preferably, the third driving device comprises a third motor, a screw rod, a guide rod and a box body; the third motor is arranged on the inner surface of the box body and is in driving connection with the screw rod; the screw rod is in threaded connection with the mobile platform, and the guide rod is in sliding connection with the mobile platform; the box is arranged on the bottom plate.

Preferably, a moving channel is arranged on the box body along the vertical direction; the connecting frame penetrates through the moving channel, and a telescopic folding cover is connected between the connecting frame and the box body; the telescopic folding cover is positioned at the inner side of the moving channel; a balancing weight is arranged on the bottom plate; the balancing weight is of a prismatic table structure, an installation channel is arranged in the middle of the balancing weight, and the balancing weight is located on the periphery side of the box body.

Preferably, the box body is provided with a push-pull handle; a bracket is arranged on the push-pull handle; a control panel is arranged on the bracket; the control panel is respectively in control connection with the first driving device, the second driving device and the third driving device.

Preferably, the outer side surface of the first fixed saw blade is connected with a first connecting plate, and the outer side surface of the first movable saw blade is connected with a second connecting plate; the first connecting plate is provided with a plurality of connecting holes side by side along the edge of the first fixed saw blade, the first connecting plate is connected with the mounting cover, the first connecting plate is provided with a first connecting hole, the second connecting plate is provided with a plurality of connecting holes side by side along the edge of the first movable saw blade, the second connecting plate is connected with the incomplete gear ring, and the second connecting plate is provided with a second connecting hole; the mounting cover is provided with a plurality of first threaded holes corresponding to the first connecting holes in parallel; and a plurality of second threaded holes are arranged in parallel on the side surface of the incomplete gear ring and correspond to the second connecting holes.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

the invention can trim the landscape tree in an arc shape, a spherical shape and a linear shape, reduces the manpower, and has high trimming efficiency, more regular trimming and high trimming quality. When the equipment is used for arc trimming of landscape trees, the equipment is moved to a position where the landscape trees can be trimmed through the trundles, the swing gear is driven to swing back and forth through the first driving device, the swing gear drives the incomplete gear ring to rotate back and forth and drives the rack to move back and forth up and down, the incomplete gear ring drives the first movable saw blade to rotate back and forth, the first movable saw blade and the first fixed saw blade act together, a worker moves the equipment through the trundles, and the first fixed saw blade and the second fixed saw blade perform arc trimming on the landscape trees; when spherical trimming is carried out on the landscape tree, the mounting cover is moved to the trunk of the tree, the first driving device and the second driving device are started, the second driving device drives the mounting cover to rotate, and the first fixed saw blade and the first movable saw blade act together to carry out spherical trimming on the landscape tree in the rotating process; when carrying out sharp pruning to the view tree, start first drive arrangement, the swing gear drives the rack and removes, and the rack drives the second and removes saw bit reciprocating motion, and the second removes the saw bit and the fixed saw bit combined action of second, and the workman removes this equipment through the truckle again, can carry out sharp pruning to the view tree side in vertical direction. The equipment has various trimming types and high trimming quality.

Drawings

Fig. 1 is a schematic structural diagram of a garden special trimming device according to the present invention.

Fig. 2 is a schematic structural diagram of a moving principle of a connecting frame in the garden special trimming device according to the present invention.

Fig. 3 is a partial structural sectional view of a garden special trimming device according to the present invention.

Fig. 4 is an enlarged view of a structure at a in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 3.

Fig. 6 is an enlarged view of the structure at C in fig. 3.

Fig. 7 is a partial structural top view of a garden special trimming device according to the present invention.

Fig. 8 is a structural sectional view of the swing principle of the incomplete gear ring and the rack in the special garden trimming device provided by the invention.

Fig. 9 is a structural section view showing the adjustment principle of the first fixed saw blade and the first movable saw blade in the garden special trimming device according to the present invention.

Reference numerals: 1. a first fixed saw blade; 2. a first movable saw blade; 3. an incomplete gear ring; 301. a chute; 302. a second threaded hole; 4. a fixed table; 5. mounting a cover; 501. a swing hole; 502. mounting holes; 503. moving the hole; 504. a first threaded hole; 6. a first motor; 7. a driving gear; 8. an intermediate gear; 91. a first driven gear; 92. a second driven gear; 93. a first incomplete gear; 94. a second incomplete gear; 10. a swing gear; 11. a rack; 12. a slider; 13. a slide rail; 14. a second fixed saw blade; 15. a second movable saw blade; 16. a second motor; 17. a drive gear; 18. a connecting gear; 19. installing a shaft; 20. mounting a shell; 21. a connecting frame; 22. a third motor; 23. a screw rod; 24. a guide bar; 25. a mobile station; 26. a box body; 27. a base plate; 28. a caster wheel; 29. a balancing weight; 30. a telescopic folding cover; 31. a push-pull handle; 32. a support; 33. a control panel; 34. a first connecting plate; 341. a first connection hole; 35. a second connecting plate; 351. and a second connection hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 8, the garden special trimming apparatus provided by the present invention comprises a first fixed saw blade 1, a first movable saw blade 2, a partial ring gear 3, a mounting cover 5, a swing gear 10, a rack 11, a slider 12, a slide rail 13, a second fixed saw blade 14, a second movable saw blade 15, a movable table 25, a bottom plate 27 and a caster 28;

the mounting cover 5 comprises an arc-shaped cover part and a frame-shaped cover part which are integrally connected, a swinging hole 501 is arranged on the arc-shaped cover part, and a moving hole 503 is arranged on the frame-shaped cover part along the vertical direction; the first fixed saw blade 1 and the first movable saw blade 2 are both arc-shaped saw blades and are coaxially arranged with the arc-shaped cover part, the first fixed saw blade 1 is arranged on the outer surface of the arc-shaped cover part, the first movable saw blade 2 is arranged on the side surface of the incomplete gear ring 3, the first movable saw blade 2 and the incomplete gear ring 3 are coaxially arranged, the first movable saw blade 2 penetrates through the swinging hole 501, and the first movable saw blade 2 is attached to the first fixed saw blade 1; the incomplete gear ring 3 is rotationally arranged inside the arc-shaped cover part; the second fixed blade 14 and the second movable blade 15 are both linear blades; the second fixed saw blade 14 is vertically arranged on the outer surface of the frame-shaped cover part; the second movable saw blade 15 is arranged on the side surface of the rack 11, the second movable saw blade 15 penetrates through the movable hole 503, and the second movable saw blade 15 is attached to the second fixed saw blade 14; the rack 11 is connected with the slide block 12; the slide block 12 is arranged on the slide rail 13 in a sliding manner; the slide rail 13 is vertically arranged on the inner surface of the frame-shaped cover part; the swing gear 10 is respectively meshed with the incomplete gear ring 3 and the rack 11; a first driving device for driving the oscillating gear 10 to oscillate back and forth is arranged on the mounting cover 5; a third driving device for driving the moving table 25 to move along the vertical direction is arranged on the bottom plate 27; the mobile station 25 is provided with a second driving device for driving the mounting cover 5 to rotate; casters 28 are provided at the bottom of the base plate 27.

The invention can trim the landscape tree in an arc shape, a spherical shape and a linear shape, reduces the manpower, and has high trimming efficiency, more regular trimming and high trimming quality. When the equipment is used for arc pruning of landscape trees, the equipment is moved to a position where the landscape trees can be pruned through the caster 28, the swing gear 10 is driven to swing back and forth through the first driving device, the swing gear 10 drives the incomplete gear ring 3 to rotate back and forth, the rack 11 is driven to move back and forth up and down at the same time, the incomplete gear ring 3 drives the first movable saw blade 2 to rotate back and forth, the first movable saw blade 2 and the first fixed saw blade 1 act together, a worker moves the equipment through the caster 28, and the first fixed saw blade 1 and the second fixed saw blade 2 prune the landscape trees in an arc shape; when spherical trimming is carried out on the landscape tree, the mounting cover 5 is moved to the trunk of the tree, the first driving device and the second driving device are started, the second driving device drives the mounting cover 5 to rotate, and the first fixed saw blade 1 and the first movable saw blade 2 act together to carry out spherical trimming on the landscape tree in the rotating process; when carrying out sharp pruning to the view tree, start first drive arrangement, swing gear 10 drives rack 11 and removes, and rack 11 drives second removal saw bit 15 reciprocating motion, and second removal saw bit 15 and the fixed saw bit 14 combined action of second, the workman removes this equipment through truckle 28 again, can carry out sharp pruning to the view tree side in vertical direction. The equipment has various trimming types and high trimming quality.

In an alternative embodiment, the first driving means includes a first motor 6, a driving gear 7, an intermediate gear 8, a first driven gear 91, a second driven gear 92, a first incomplete gear 93, a second incomplete gear 94, a first connecting shaft, and a second connecting shaft; the first motor 6 is arranged on the inner surface of the mounting cover 5, and the first motor 6 is in driving connection with the driving gear 7; the driving gear 7 is meshed with the intermediate gear 8 and the first driven gear 91; the intermediate gear 8 is rotatably arranged inside the mounting cover 5, and the intermediate gear 8 is meshed with the second driven gear 92; the first driven gear 91 and the first incomplete gear 93 are coaxially arranged on the first connecting shaft; the second driven gear 92 and the second incomplete gear 94 are coaxially disposed on the second connecting shaft; the first connecting shaft and the second connecting shaft are both rotatably arranged on the mounting cover 5; the first incomplete gear 93 and the second incomplete gear 94 are alternately in meshing connection with the oscillating gear 10.

It should be noted that the first motor 6 drives the driving gear 7 to rotate, the driving gear 7 drives the intermediate gear 8 and the first driven gear 91 to rotate, the intermediate gear 8 drives the second driven gear 92 to rotate, the first driven gear 91 drives the first incomplete gear 93 to rotate, the second driven gear 92 drives the second incomplete gear 94 to rotate, the rotation directions of the first incomplete gear 93 and the second incomplete gear 94 are opposite, the first incomplete gear 93 and the second incomplete gear 94 are alternately engaged with the oscillating gear 10 to enable the oscillating gear 10 to oscillate back and forth, the gear transmission process is stable, and the power transmission effect is good.

In an alternative embodiment, the first incomplete gear 93 and the second incomplete gear 94 are identical in structure and each include two sector-shaped tooth portions symmetrically arranged, the two sector-shaped tooth portions of the first incomplete gear 93 are alternately in meshed connection with the oscillating gear 10, the two sector-shaped tooth portions of the second incomplete gear 94 are alternately in meshed connection with the oscillating gear 10, and the oscillating gear 10 is meshed with only one of the four sector-shaped tooth portions at a time; the four sector-shaped tooth parts are alternately in meshed transmission with the swing gear, so that the swing gear 10 can be guaranteed to swing stably.

In an alternative embodiment, the mounting cover 5 is provided with a mounting hole 502, and the mounting cover 5 is connected with the fixed table 4; the mounting holes 502 are arc-shaped holes; the fixed platform 4 is of an arc boss structure, and the fixed platform 4 penetrates through the mounting hole 502; the incomplete gear ring 3 is provided with a sliding groove 301 for embedding the end part of the fixed table 4, and the incomplete gear ring 3 is connected with the fixed table 4 in a sliding way.

It should be noted that, through setting up fixed station 4, can lead and support incomplete ring gear 3's rotation process, guarantee that incomplete ring gear 3 can stable swing, the wobbling of first removal saw bit 2 is more stable, and first removal saw bit 2 can carry out effectual pruning with first fixed saw bit 1 cooperation to the view tree.

In an alternative embodiment, the fixing table 4 includes a first connecting table portion, a second connecting table portion and a third connecting table portion, the cross-sectional dimensions of the first connecting table portion, the second connecting table portion and the third connecting table portion are sequentially reduced, the first connecting table portion, the second connecting table portion and the third connecting table portion are sequentially connected and integrally formed, and the third connecting table portion is slidably disposed in the chute 301.

The first connector portion is connected to the mounting cover 5, and the second connector portion is inserted into the mounting hole 502, so that the fixing base 4 can be securely attached to the mounting cover 5.

In an alternative embodiment, the second driving means includes a second motor 16, a driving gear 17, a connecting gear 18, a mounting shaft 19, a mounting case 20 and a connecting frame 21; the second motor 16 is arranged on the mounting shell 20, and the second motor 16 is in driving connection with the driving gear 17; the driving gear 17 is meshed with the connecting gear 18; the connecting gear 18 is arranged on the mounting shaft 19; the mounting shaft 19 is rotatably arranged on the mounting shell 20, and the bottom end of the mounting shaft 19 is connected with the top of the mounting cover 5; the mounting shell 20 is arranged on the connecting frame 21; the connecting frame 21 is connected to the mobile station 25.

It should be noted that the second motor 16 drives the driving gear 17 to rotate, the driving gear 17 drives the connecting gear 18 to rotate, the connecting gear 18 drives the mounting shaft 19 to rotate, and the mounting shaft 19 drives the mounting cover 5 to rotate, so that the first fixed saw blade 1 and the first movable saw blade 2 can perform spherical trimming on the landscape tree in the rotating process.

In an alternative embodiment, the third driving means includes a third motor 22, a lead screw 23, a guide bar 24, and a case 26; the third motor 22 is arranged on the inner surface of the box body 26, and the third motor 22 is in driving connection with the screw rod 23; the screw rod 23 and the guide rod 24 are both vertically arranged, the screw rod 23 is rotatably connected with the box body 26, the screw rod 23 is in threaded connection with the mobile platform 25, and the guide rod 24 is in sliding connection with the mobile platform 25; the case 26 is provided on the bottom plate 27.

It should be noted that the third motor 22 drives the screw rod 23 to rotate, the screw rod 23 drives the moving platform 25 to move, the moving platform 25 slides on the guide rod 24, the moving platform 25 drives the connecting frame 21 to move, the screw rod transmission process is stable, the screw rod can stably move up and down, and therefore the landscape tree pruning machine can be used for pruning landscape trees with different heights, and the application range is wider.

In an alternative embodiment, the box 26 is provided with a moving channel along the vertical direction; the connecting frame 21 penetrates through the moving channel, and a telescopic folding cover 30 is connected between the connecting frame 21 and the box body 26; the telescopic folding cover 30 is positioned at the inner side of the moving channel; a balancing weight 29 is arranged on the bottom plate 27; the balancing weight 29 is in a frustum pyramid structure, the middle of the balancing weight 29 is provided with an installation channel, and the balancing weight 29 is located on the outer periphery side of the box body 26.

It should be noted that the telescopic folding cover 30 can shield the moving channel to prevent external impurities from entering the box 26 to affect the normal operation of the screw rod transmission process; through setting up balancing weight 29, can reduce the device focus, improve the stability of device.

In an alternative embodiment, the box 26 is provided with a push-pull handle 31; the push-pull handle 31 is provided with a bracket 32; a control panel 33 is arranged on the bracket 32; the control panel 33 is respectively connected with the first driving device, the second driving device and the third driving device in a control mode.

It should be noted that, by providing the push-pull handle 31, the device is convenient to move; through setting up control panel 33, can be convenient for control first drive arrangement, second drive arrangement and third drive arrangement to improve the automatic control degree of this equipment.

As shown in fig. 9, in an alternative embodiment, a first connecting plate 34 is connected to the outer side of the first fixed blade 1, and a second connecting plate 35 is connected to the outer side of the first movable blade 2; a plurality of first connecting plates 34 are arranged side by side along the edge of the first fixed saw blade 1, the first connecting plates 34 are connected with the mounting cover 5, first connecting holes 341 are formed in the first connecting plates 34, a plurality of second connecting plates 35 are arranged side by side along the edge of the first movable saw blade 2, the second connecting plates 35 are connected with the incomplete gear ring 3, and second connecting holes 351 are formed in the second connecting plates 35; the mounting cover 5 is provided with a first threaded hole 504 corresponding to the first connection hole 341, and the first threaded holes 504 are arranged in parallel; a second threaded hole 302 corresponding to the second connection hole 351 is formed in the side surface of the partial ring gear 3, and a plurality of second threaded holes 302 are arranged side by side.

It should be noted that, first fixed saw bit 1 is installed on installation cover 5 through first connecting plate 34, and first removal saw bit 2 is installed on incomplete ring gear 3 through second connecting plate 35, and the mounted position of first connecting plate 34 and second connecting plate 35 can be adjusted to can adjust the radian of first fixed saw bit 1 and first removal saw bit 2, can adjust the size and specification of pruning the view tree, application scope is big, and it is convenient to adjust.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A special pruning device for gardens is characterized by comprising a first fixed saw blade (1), a first movable saw blade (2), an incomplete gear ring (3), a mounting cover (5), a swing gear (10), a rack (11), a slide block (12), a slide rail (13), a second fixed saw blade (14), a second movable saw blade (15), a movable platform (25), a bottom plate (27) and a caster wheel (28);

the mounting cover (5) comprises an arc-shaped cover part and a frame-shaped cover part which are integrally connected, a swinging hole (501) is formed in the arc-shaped cover part, and a moving hole (503) is formed in the frame-shaped cover part in the vertical direction; the first fixed saw blade (1) and the first movable saw blade (2) are both arc saw blades and are coaxially arranged with the arc cover part, the first fixed saw blade (1) is arranged on the outer surface of the arc cover part, the first movable saw blade (2) is arranged on the side surface of the incomplete gear ring (3), the first movable saw blade (2) and the incomplete gear ring (3) are coaxially arranged, the first movable saw blade (2) penetrates through the swing hole (501), and the first movable saw blade (2) is attached to the first fixed saw blade (1); the incomplete gear ring (3) is rotationally arranged in the arc-shaped cover part; the second fixed saw blade (14) and the second movable saw blade (15) are both straight saw blades; the second fixed saw blade (14) is vertically arranged on the outer surface of the frame-shaped cover part; the second movable saw blade (15) is arranged on the side surface of the rack (11), the second movable saw blade (15) penetrates through the movable hole (503), and the second movable saw blade (15) is attached to the second fixed saw blade (14); the rack (11) is connected with the sliding block (12); the sliding block (12) is arranged on the sliding rail (13) in a sliding manner; the slide rail (13) is vertically arranged on the inner surface of the frame-shaped cover part; the swing gear (10) is respectively meshed and connected with the incomplete gear ring (3) and the rack (11); a first driving device for driving the oscillating gear (10) to oscillate back and forth is arranged on the mounting cover (5); a third driving device for driving the moving platform (25) to move along the vertical direction is arranged on the bottom plate (27); the mobile station (25) is provided with a second driving device for driving the mounting cover (5) to rotate; the caster (28) is arranged at the bottom of the bottom plate (27).

2. The garden-specific trimming apparatus according to claim 1, wherein the first driving means comprises a first motor (6), a driving gear (7), an intermediate gear (8), a first driven gear (91), a second driven gear (92), a first incomplete gear (93), a second incomplete gear (94), a first connecting shaft and a second connecting shaft; the first motor (6) is arranged on the inner surface of the mounting cover (5), and the first motor (6) is in driving connection with the driving gear (7); the driving gear (7) is meshed with the intermediate gear (8) and the first driven gear (91); the intermediate gear (8) is rotatably arranged in the mounting cover (5), and the intermediate gear (8) is meshed with the second driven gear (92); the first driven gear (91) and the first incomplete gear (93) are coaxially arranged on the first connecting shaft; the second driven gear (92) and the second incomplete gear (94) are coaxially arranged on the second connecting shaft; the first connecting shaft and the second connecting shaft are both rotatably arranged on the mounting cover (5); the first incomplete gear (93) and the second incomplete gear (94) are alternately in meshed connection with the swing gear (10).

3. The garden-specific trimming device according to claim 2, wherein the first incomplete gear (93) and the second incomplete gear (94) are identical in structure and each comprise two sector-shaped teeth symmetrically arranged, the two sector-shaped teeth of the first incomplete gear (93) are alternately in meshed connection with the oscillating gear (10), the two sector-shaped teeth of the second incomplete gear (94) are alternately in meshed connection with the oscillating gear (10), and the oscillating gear (10) is meshed with only one of the four sector-shaped teeth at a time.

4. The special trimming device for gardens as claimed in claim 3, wherein the mounting cover (5) is provided with a mounting hole (502), and the mounting cover (5) is connected with the fixing table (4); the mounting hole (502) is an arc-shaped hole; the fixed table (4) is of an arc boss structure, and the fixed table (4) penetrates through the mounting hole (502); the incomplete gear ring (3) is provided with a sliding groove (301) used for being embedded into the end part of the fixed platform (4), and the incomplete gear ring (3) is connected with the fixed platform (4) in a sliding mode.

5. The pruning device special for gardens as claimed in claim 4, wherein, the fixed station (4) comprises a first connecting table part, a second connecting table part and a third connecting table part, the cross-sectional sizes of the first connecting table part, the second connecting table part and the third connecting table part are sequentially reduced, the first connecting table part, the second connecting table part and the third connecting table part are sequentially connected and integrally formed, and the third connecting table part is slidably arranged in the sliding chute (301).

6. The pruning device special for gardens according to claim 1, wherein, the second driving device comprises a second motor (16), a driving gear (17), a connecting gear (18), a mounting shaft (19), a mounting shell (20) and a connecting frame (21); the second motor (16) is arranged on the mounting shell (20), and the second motor (16) is in driving connection with the driving gear (17); the driving gear (17) is meshed with the connecting gear (18); the connecting gear (18) is arranged on the mounting shaft (19); the mounting shaft (19) is rotatably arranged on the mounting shell (20), and the bottom end of the mounting shaft (19) is connected with the top of the mounting cover (5); the mounting shell (20) is arranged on the connecting frame (21); the connecting frame (21) is connected to the mobile station (25).

7. The garden-specific trimming apparatus according to claim 1, wherein the third driving means comprises a third motor (22), a lead screw (23), a guide bar (24) and a case (26); the third motor (22) is arranged on the inner surface of the box body (26), and the third motor (22) is in driving connection with the screw rod (23); the screw rod (23) and the guide rod (24) are both vertically arranged, the screw rod (23) is rotatably connected with the box body (26), the screw rod (23) is in threaded connection with the mobile platform (25), and the guide rod (24) is in sliding connection with the mobile platform (25); the box body (26) is arranged on the bottom plate (27).

8. The pruning device special for gardens according to claim 7, wherein the box body (26) is provided with a moving channel along the vertical direction; the connecting frame (21) penetrates through the moving channel, and a telescopic folding cover (30) is connected between the connecting frame (21) and the box body (26); the telescopic folding cover (30) is positioned at the inner side of the moving channel; a counterweight block (29) is arranged on the bottom plate (27); the balancing weight (29) is of a prismatic table structure, the middle part of the balancing weight (29) is provided with an installation channel, and the balancing weight (29) is positioned on the outer peripheral side of the box body (26).

9. The pruning device special for gardens as claimed in claim 7, wherein the box body (26) is provided with a push-pull handle (31); a bracket (32) is arranged on the push-pull handle (31); a control panel (33) is arranged on the bracket (32); the control panel (33) is respectively connected with the first driving device, the second driving device and the third driving device in a control mode.

10. The pruning device special for gardens as claimed in claim 1, wherein a first connecting plate (34) is connected to the outer side of the first fixed saw blade (1), and a second connecting plate (35) is connected to the outer side of the first movable saw blade (2); a plurality of first connecting plates (34) are arranged side by side along the edge of the first fixed saw blade (1), the first connecting plates (34) are connected with the mounting cover (5), a first connecting hole (341) is formed in each first connecting plate (34), a plurality of second connecting plates (35) are arranged side by side along the edge of the first movable saw blade (2), each second connecting plate (35) is connected with the incomplete gear ring (3), and a second connecting hole (351) is formed in each second connecting plate (35); a first threaded hole (504) corresponding to the first connecting hole (341) is formed in the mounting cover (5), and a plurality of first threaded holes (504) are arranged in parallel; and a second threaded hole (302) corresponding to the second connecting hole (351) is formed in the side face of the incomplete gear ring (3), and a plurality of second threaded holes (302) are arranged side by side.