CN114940472A - Construction lifter for vegetation dense forest area - Google Patents
Construction lifter for vegetation dense forest area Download PDFInfo
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- CN114940472A CN114940472A CN202210856150.7A CN202210856150A CN114940472A CN 114940472 A CN114940472 A CN 114940472A CN 202210856150 A CN202210856150 A CN 202210856150A CN 114940472 A CN114940472 A CN 114940472A
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000009966 trimming Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000013138 pruning Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 244000141353 Prunus domestica Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- Mechanical Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the field of lifting platform equipment, in particular to a construction lifter for a vegetation dense forest area. A construction elevator for a vegetation dense forest area comprises a supporting device, a measuring device and a lifting device; the supporting device comprises two front supporting legs, a rear supporting leg, a transmission mechanism and a synchronous mechanism, wherein the two front supporting legs and the rear supporting leg are sequentially arranged in the circumferential direction, so that a connecting line of one ends of the two front supporting legs and one end of the rear supporting leg form a triangle; every measurement branch all with a leading landing leg rigid coupling, two location racks slope sets up, and two location racks are connected on the rearmounted landing leg, make two location racks and the one end that rearmounted landing leg links to each other be close to each other, and the other end is kept away from each other. The lifter positions the center of the trunk through one-time measurement, and enables the center of the supporting tripod to coincide with the center of the trunk, so that the center of the annular track coincides with the center of the trunk, the whole lifter is safer and more stable, the trimming is safer, and the trimming range is larger.
Description
Technical Field
The invention relates to the field of lifting platform equipment, in particular to a construction lifter for a vegetation dense forest area.
Background
The lifting platform is a lifting machine for vertically transporting people or objects, and can be divided into a fixed type and a movable type, and is used for transporting mechanical equipment or other objects from one place to another place by using a lifter. Ornamental trees and shrubs are city landscape's important component part, when pruning gardens arbor, we can use lift platform usually, lift platform drives the pruning personnel from top to bottom through going up and down, in order to make things convenient for staff's work, but traditional lift platform is very heavy, whole trees are pruned to the position that needs continuous transform lift platform among the pruning process, increase work load, and when pruning same arbor, lift platform twice put the position appear easily and do not correspond with the arbor center, can lead to repairing the crown askew, influence the pleasing to the eye of arbor. Because a part of garden vegetation is planted on special geographical structures such as hillsides, and the vegetation is dense, the traditional tree pruning vehicle cannot drive in, so that the existing tool which is convenient seemingly fails in the geographical environment. The simple portable lifting frame can only operate a limited small area by one-time lifting, and often needs to be lifted for many times, thereby wasting time and labor.
Disclosure of Invention
The invention provides a construction elevator for a forest area with dense vegetation, which aims to solve the problems that the existing lifting platform is inconvenient to use in the forest area with dense vegetation, the position of the lifting platform needs to be continuously changed in the trimming process to trim the whole tree, and the lifting platform is easy to be not corresponding to the center of a tree.
The construction elevator for the vegetation dense forest area adopts the following technical scheme: a construction elevator for a vegetation dense forest area comprises a supporting device, a measuring device and a lifting device; the supporting device comprises two front supporting legs, a rear supporting leg, a transmission mechanism and a synchronous mechanism, wherein the two front supporting legs and the rear supporting leg are sequentially arranged in the circumferential direction, so that a connecting line of one ends of the two front supporting legs and one end of the rear supporting leg forms a triangle; the measuring device comprises two measuring support rods, two positioning racks, a first roller, a second roller, a lifting ratchet wheel, a first measuring assembly and a second measuring assembly; each measuring support rod is fixedly connected with a front supporting leg, two positioning racks are obliquely arranged and connected to a rear supporting leg, so that one ends of the two positioning racks, which are connected with the rear supporting leg, are close to each other, and the other ends of the two positioning racks are far away from each other; each measuring support rod is provided with a distance measuring gear, the distance measuring gear is meshed with the positioning rack, each measuring support rod is provided with a one-way toothed ring, the first measuring assembly is arranged at the left end of the second measuring assembly and symmetrically arranged with the second measuring assembly, the lower ends of the first measuring assembly and the second measuring assembly are both provided with mounting blocks, lifting ratchet wheels are sleeved on the mounting blocks and are used for being meshed with the one-way toothed rings for transmission and configured to only allow the lifting ratchet wheels on the first measuring assembly to rotate clockwise and only allow the lifting ratchet wheels on the second measuring assembly to rotate anticlockwise;
third elastic pieces are arranged between the measuring support rod and the first measuring assembly and between the measuring support rod and the second measuring assembly, the transmission mechanism is configured to enable the two front support legs to extend, and then the measuring support rod is driven to move on the positioning rack, and the synchronization mechanism is configured to convert the movement of the measuring support rod on the positioning rack into the extension of the rear support leg; in an initial state, the first roller and the second roller can rotate along the trunk, the first measuring component is arranged at the left end of the first roller, the second measuring component is arranged at the right end of the second roller, and the first measuring component and the second measuring component are configured to extend along with the rotation of the trunk, so that the first roller and the second roller are always in contact with the trunk; the lifting device is rotatably and movably installed on the supporting device up and down and is configured to be concentric with the supporting device all the time.
Furthermore, the measuring device also comprises a first locking mechanism, the first locking mechanism comprises a slotted screw rod and a lock cylinder, the slotted screw rod is arranged on the first roller in a vertically movable manner, the lock cylinder is arranged in the second roller, and the lock cylinder is connected with the second roller through a second elastic piece, so that the lock cylinder tends to rise.
Furthermore, the first measuring assembly and the second measuring assembly are identical in structure, the first measuring assembly comprises a telescopic rod core, a ratchet sleeve rod and a telescopic outer rod, the ratchet sleeve rod is sleeved on the telescopic rod core, a sixth elastic piece is arranged between the ratchet sleeve rod and the telescopic rod core, the sixth elastic piece is in a force storage state in an initial state, the telescopic outer rod is connected with the telescopic rod core through a seventh elastic piece, the seventh elastic piece is in a force storage state in the initial state, and a third elastic piece is arranged between the measuring support rod and the telescopic outer rod.
Furthermore, the measuring device also comprises two second locking mechanisms, the two second locking mechanisms are respectively arranged on the first measuring assembly and the second measuring assembly, and each second locking mechanism comprises a locking rod and a spring rod; the spring rod is provided with a through hole, the locking rod in the initial state is inserted into the through hole to lock the spring rod, and the spring rod is used for limiting the rotation of the ratchet wheel loop rod.
Further, the measuring device further comprises an elongation mechanism, wherein the elongation mechanism comprises a friction block; the mounting block is arranged at the lower end of the telescopic outer rod, a fifth elastic piece is arranged between the lifting ratchet wheel and the measuring support rod, a mounting groove is formed in the mounting block, the friction block is arranged in the mounting groove and connected with the mounting groove through a fourth elastic piece, the fourth elastic piece enables the friction block to have the trend of moving outwards, and the outer surface of the friction block is in contact with the inner surface of the lifting ratchet wheel; one end of the lifting connecting rod is fixedly connected with the lifting ratchet wheel, and the other end of the lifting connecting rod is fixedly connected with the locking rod.
Furthermore, the transmission mechanism comprises a first bevel gear, a second bevel gear, a servo motor and a first screw rod, the first bevel gear and the distance measuring gear are coaxially arranged, the second bevel gear is meshed with the first bevel gear, the first screw rod and the second bevel gear are coaxial, the first screw rod and the front supporting leg are in threaded transmission, and the servo motor is used for driving the first screw rod to rotate.
Further, the synchronizing mechanism comprises two wire binding wheels, two worms, a turbine and a second screw; two wire binding wheels are arranged on the rear supporting leg, a worm is coaxially arranged on each wire binding wheel, a steel wire rope is arranged between each wire binding wheel and each measuring supporting rod, the winding directions of the steel wire ropes on the two wire binding wheels are opposite, the two worms are meshed with the worm wheel for transmission, the worm wheel is coaxially arranged with the second screw rod, and the second screw rod is in threaded transmission with the rear supporting leg.
Furthermore, strutting arrangement still includes two location telescopic links and two location supports, the one end of two location telescopic links is installed respectively in a leading landing leg, the other end of two location telescopic links is installed in rearmounted landing leg, two location telescopic links are connected to same rotatable coupling department on the rearmounted landing leg, make two location telescopic link one end be close to, the other end is kept away from, sliding connection has a location support on every location telescopic link, location support both ends all are provided with first elastic component, first elastic component is first extension spring, location support one end and a leading landing leg are connected to one of them first extension spring, another first extension spring is connected the location support other end and rearmounted landing leg.
Furthermore, the lifting device is arranged above the measuring device and comprises an annular track, a manned platform, a lifting mechanism, a motor and a track winding mechanism; the rail winding mechanism is installed on the upper end of the positioning support, the annular rail is rotatably connected with the rail winding mechanism, the lifting mechanism can be installed on the upper end of the rail winding mechanism in a vertically moving mode, the annular rail comprises two arc-shaped half rails, an interval capable of enabling trees to enter is reserved between the two arc-shaped half rails in the initial state, the motor is used for driving the two annular half rails to be close to each other to enable the trees to be fixed, and the manned platform is installed on the upper end of the lifting mechanism.
The beneficial effects of the invention are:
1. the construction elevator for the vegetation-intensive forest area is designed according to the characteristics of garden trees, can be used in the forest area with dense vegetation, can estimate the size of a crown by measuring a trunk and synchronously adjust the extension of the front supporting leg and the rear supporting leg, so that the center of equipment is always unchanged, the center of gravity of the equipment is kept stable, the lifting platform is prevented from tipping, the tree is safer to trim, the center of the trunk is positioned by measuring once, the center of a supporting tripod is coincided with the center of the trunk, the center of the circular track is coincided with the center of the trunk, the whole system is safer and more stable, and the trimming range is larger.
2. The tree crown trimming device has the advantages that the tree crown can be lifted once to surround the tree for a circle, and a circle of crown is trimmed without moving the supporting base up and down for multiple times; meanwhile, the invention optimally designs the supporting structure on the basis of ensuring the annular lifting structure, so that the lifting platform is safer when working under different radiuses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a vegetation dense forest area construction hoist of the present invention;
FIG. 2 is a schematic top view of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 3 is a schematic side view of an embodiment of a vegetation dense forest area construction hoist of the present invention;
FIG. 4 is a schematic structural view of a supporting device of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 5 is a schematic top view of a support device of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 6 is a schematic cross-sectional view of a measuring device of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at V;
FIG. 8 is a schematic view of a tree of an embodiment of the vegetation dense forest area construction hoist of the present invention in position between the measuring devices;
FIG. 9 is a schematic view of a condition outside of the arbor measuring device of an embodiment of the vegetation dense forest area construction elevator of the present invention;
FIG. 10 is a schematic view of the conditions within the arbor measuring device of an embodiment of the vegetation dense forest area construction elevator of the present invention;
FIG. 11 is a schematic view showing an initial state of a lifting device of an embodiment of the vegetation dense forest area construction lift of the present invention;
FIG. 12 is a schematic view showing a closed state of a lifting device of an embodiment of the vegetation dense forest area construction lift of the present invention;
FIG. 13 is a schematic view of a lifting link connection structure of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 14 is a schematic view of a survey pole installation of an embodiment of the vegetation dense forest area construction hoist of the present invention;
FIG. 15 is a schematic view of the friction block mounting of an embodiment of the vegetation dense forest area construction hoist of the present invention;
fig. 16 is a schematic structural view of a telescopic outer rod of the construction elevator for the vegetation dense forest area according to the embodiment of the invention.
In the figure: 100. a support device; 110. a front landing leg; 111. a universal wheel; 112. fixing nails; 113. an end cap; 114. measuring the supporting rod; 1141. a unidirectional toothed ring; 115. a first screw; 116. a transmission mechanism; 117. a distance measuring gear; 118. a wire rope; 119. a servo motor; 120. rear supporting legs; 130. positioning the telescopic rod; 140. Positioning a support; 142. a first spring; 151. positioning the rack; 152. a wire binding wheel; 1521. a first worm; 1522. a second worm; 153. a turbine; 200. a measuring device; 210. a first locking mechanism; 211. a lock cylinder; 212. a second roller; 213. a grooved screw; 214. a first roller; 215. a rotation limiting rod; 216. a locking lever; 217. a spring lever; 221. a telescopic rod core; 222. a ratchet wheel loop bar; 223. a telescopic outer rod; 2231. rotating the limiting groove; 2232. mounting grooves; 2233. a locking projection; 2234. a communicating groove; 2235. a limiting bulge; 224. a fourth spring; 225. a friction block; 226. lifting the ratchet wheel; 227. a lifting link; 228. mounting blocks; 300. a lifting device; 310. an annular track; 320. a manned platform; 330. a lifting mechanism; 340. and a rail winding mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
An embodiment of the construction elevator for a vegetation dense forest area according to the present invention is shown in fig. 1 to 16.
A construction elevator for a vegetation dense forest area comprises a supporting device 100, a measuring device 200 and a lifting device 300; the supporting device 100 comprises two front supporting legs 110, two rear supporting legs 120, a transmission mechanism 116 and a synchronization mechanism, wherein the two front supporting legs 110 and the two rear supporting legs 120 are sequentially arranged in the circumferential direction, so that a connecting line of one ends of the two front supporting legs 110 and one end of the rear supporting leg 120 forms a triangle; the measuring device 200 comprises two measuring struts 114, two positioning racks 151, a first roller 214, a second roller 212, a lifting ratchet 226, a first measuring assembly and a second measuring assembly; each measuring support rod 114 is fixedly connected with one front supporting leg 110, two positioning racks 151 are obliquely arranged, and the two positioning racks 151 are connected to the rear supporting leg 120, so that one ends of the two positioning racks 151 connected with the rear supporting leg 120 are close to each other, and the other ends of the two positioning racks 151 are far away from each other.
Each measuring support rod 114 is provided with a distance measuring gear 117, the distance measuring gear 117 is meshed with the positioning rack 151, each measuring support rod 114 is provided with a one-way toothed ring 1141, the first measuring assembly is arranged at the left end of the second measuring assembly and symmetrically arranged with the second measuring assembly, the lower ends of the first measuring assembly and the second measuring assembly are respectively provided with a mounting block 228, a lifting ratchet wheel 226 is sleeved on the mounting block 228, the lifting ratchet wheel 226 is used for meshing transmission with the one-way toothed ring 1141 and is configured to only allow the lifting ratchet wheel 226 on the first measuring assembly to rotate clockwise and only allow the lifting ratchet wheel 226 on the second measuring assembly to rotate anticlockwise; and a third elastic part is arranged between the measuring strut 114 and the first measuring component and between the measuring strut and the second measuring component, and the third elastic part is a first torsion spring.
The transmission mechanism 116 is configured to extend the two front legs 110, thereby driving the measuring strut 114 to move on the positioning rack 151, and the synchronization mechanism is configured to convert the movement of the measuring strut 114 on the positioning rack 151 into the extension of the rear leg 120; in an initial state, the first roller 214 and the second roller 212 are rotatable along the trunk, the first measuring component is mounted at the left end of the first roller 214, the second measuring component is mounted at the right end of the second roller 212, and the first measuring component and the second measuring component are configured to extend along with the rotation of the trunk, so that the first roller 214 and the second roller 212 are always in contact with the trunk; the lifting device 300 is rotatably and movably installed to the supporting device 100 up and down, and is configured to be always concentric with the supporting device 100.
A triangle formed by connecting lines of one ends of the two front supporting legs 110 and the rear supporting leg 120 is called a supporting triangle, a triangle formed by the first measuring component, the second measuring component and the two positioning racks 151 is called a measuring triangle, and in an initial state, the centers of the supporting triangle and the measuring triangle are coincided with the center of the lifting device 300.
When the device is used, the universal wheel 111 arranged at the lower end of the lifting platform pushes the lifting platform to be close to a tree to be trimmed, the tree is close to the trunk of the tree, the servo motor 119 is started, the servo motor 119 rotates, the transmission mechanism 116 is driven by the first screw 115 to drive the front supporting leg 110 to extend, the two rear supporting legs 120 extend synchronously by the synchronization mechanism, the mounting block 228 and the lifting ratchet 226 rotate relatively because the lifting ratchet 226 arranged at the lower ends of the first measuring component and the second measuring component and the one-way gear ring 1141 on the measuring support rod 114 drive in a one-way mode, and then the first measuring component and the second measuring component rotate inwards under the driving of the mounting block 228, the first roller 214 and the second roller 212 roll along the tree and are always in contact with the trunk, and the tree is fixed. Since the distance measuring gear 117 moves on the positioning rack 151, the overall center of the measuring triangle moves, and the movement of the distance measuring gear 117 on the positioning rack 151 is converted into the amount of synchronous movement of the two front supporting legs 110 and the rear supporting leg 120, and the lifting device 300 is synchronously enlarged, so that the supporting triangle and the measuring triangle are always coincident with the center of the lifting device 300.
In another embodiment, the measuring apparatus 200 further comprises a first locking mechanism 210, the first locking mechanism 210 comprises a slotted screw 213 and a lock cylinder 211, the slotted screw 213 is movably mounted on a first roller 214 up and down, the lock cylinder 211 is disposed in a second roller 212, and the lock cylinder 211 and the second roller 212 are connected by a second elastic member, so that the lock cylinder 211 has a tendency to ascend. Specifically, the first roller 214 is internally provided with threads, the grooved screw 213 is initially disposed in the first roller 214 and is in threaded transmission with the first roller 214, and the first roller 214 is provided with a rotation limiting rod 215 so that the grooved screw 213 can move only in the axial direction. Initially, the first roller 214 and the second roller 212 are axially opposed, but not locked.
When the servo motor 119 drives the two front supporting legs 110 to approach the tree, the first roller 214 and the second roller 212 rotate along the trunk, and in the process of rotating the first roller 214 and the second roller 212, the first roller 214 is provided with the limited rotating rod 215, so that the grooved screw rod 213 can only move in the axial direction. Therefore, the first roller 214 rotates to drive the slotted screw rod 213 to move upwards, when the measurement is completed, the first roller 214 and the second roller 212 both roll by half of the breast diameter of the tree, the slotted screw rod 213 moves upwards to give way to the lock cylinder 211, so that the lock cylinder 211 is pushed out under the action of the second elastic piece to lock the first roller 214 and the second roller 212, as shown in fig. 6, the first roller 214 and the second roller 212 are in a locked state.
In another embodiment, the first measuring assembly and the second measuring assembly have the same structure, the first measuring assembly includes a telescopic rod core 221, a ratchet sleeve rod 222 and a telescopic outer rod 223, the ratchet sleeve rod 222 is sleeved on the telescopic rod core 221, a sixth elastic member is disposed between the ratchet sleeve rod 222 and the telescopic rod core 221, the sixth elastic member is in a force storage state in an initial state, the telescopic outer rod 223 and the telescopic rod core 221 are connected through a seventh elastic member, the seventh elastic member is in a force storage state in the initial state, a third elastic member is disposed between the measuring strut 114 and the telescopic outer rod 223, and the third elastic member is a first torsion spring. The measuring device 200 further comprises two second locking mechanisms respectively mounted to the first measuring assembly and the second measuring assembly, the second locking mechanisms comprising a locking lever 216 and a spring lever 217; the spring rod 217 is provided with a through hole, the initial state locking rod 216 is inserted into the through hole to lock the spring rod 217, and the spring rod 217 is used for limiting the rotation of the ratchet sleeve rod 222.
In another embodiment, the measurement device 200 further comprises an elongation mechanism comprising a friction block 225; the mounting block 228 is arranged at the lower end of the telescopic outer rod 223, a fifth elastic piece is arranged between the lifting ratchet 226 and the measuring support rod 114, the fifth elastic piece is a third spring, a mounting groove 2232 is formed in the mounting block 228, the friction block 225 is arranged in the mounting groove 2232, the friction block 225 is connected with the mounting groove 2232 through a fourth elastic piece, the fourth elastic piece enables the friction block 225 to have a tendency of moving outwards, and the outer surface of the friction block 225 is in contact with the inner surface of the lifting ratchet 226; one end of the lifting connecting rod 227 is fixedly connected with the lifting ratchet wheel 226, and the other end of the lifting connecting rod 227 is fixedly connected with the locking rod 216; one end of the ratchet loop bar 222, which is in contact with the spring bar 217, is provided with a plurality of arc-shaped surfaces, so that when the two spring bars 217 are respectively pushed by the first roller 214 and the second roller 212, the ratchet loop bar 222 rotates, a plurality of groups of locking protrusions 2233 are arranged in the telescopic outer bar 223, and a plurality of groups of locking grooves for meshing transmission with the locking protrusions 2233 are arranged on the outer wall of the ratchet loop bar 222. A rotary limiting groove 2231 is formed at the lower end of the mounting block 228, a communicating groove 2234 is formed between the mounting groove 2232 and the rotary limiting groove 2231, and a limiting protrusion 2235 which is used for being matched with the rotary limiting groove 2231 is arranged at the upper end of the measuring support rod 114 and is used for limiting the rotating angle of the first measuring component and the second measuring component.
In another embodiment, the transmission mechanism 116 includes a first bevel gear coaxially disposed with the range finding gear 117, a second bevel gear engaged with the first bevel gear, a servo motor 119 and a first screw 115, the first screw 115 is coaxially engaged with the second bevel gear, the first screw 115 is screw-driven with the front leg 110, and the servo motor 119 is used for driving the first screw 115 to rotate. The servo motor 119 is started, and the servo motor 119 rotates to drive the transmission mechanism 116 through the first screw 115. The transmission mechanism 116 comprises a first bevel gear and a second bevel gear, the first screw 115 is coaxial with the second bevel gear, the second bevel gear is meshed with the first bevel gear, so that the first screw 115 drives the second bevel gear to rotate and then drives the first bevel gear to rotate, the first bevel gear is coaxial with the distance measuring gear 117, the distance measuring gear 117 rotates, the distance measuring gear 117 moves on the positioning rack 151 to drive the measuring support rod 114 to move forwards, and then the two front support legs 110 are driven to move forwards. In another embodiment, the synchronization mechanism includes two tying wheels 152, two worms, a worm wheel 153, and a second screw; the two wire binding wheels 152 are arranged on the rear supporting leg 120, a worm is coaxially arranged on each wire binding wheel 152, a steel wire rope 118 is arranged between each two wire binding wheels 152 and the two measuring support rods 114, the winding directions of the steel wire ropes 118 on the two wire binding wheels 152 are opposite, the two worms are meshed with the worm wheel 153 for transmission, the worm wheel 153 is coaxially arranged with the second screw rod, and the second screw rod is in threaded transmission with the rear supporting leg 120. When the measuring support rod 114 advances, the first worm 1521 and the second worm 1522 can be driven to rotate, and then the turbine 153 driven by the first worm 1521 and the second worm 1522 is driven to rotate, the turbine 153 is arranged in the rear support leg 120, the turbine 153 rotates to drive the second screw coaxial with the turbine 153 to rotate, and the second screw is in threaded transmission with the rear support leg 120, so that the rear support leg 120 extends.
In another embodiment, the supporting device 100 further includes two positioning telescopic rods 130 and two positioning supports 140, one end of each of the two positioning telescopic rods 130 is respectively mounted on one of the front supporting legs 110, the other end of each of the two positioning telescopic rods 130 is mounted on the rear supporting leg 120, the two positioning telescopic rods 130 are connected to the same rotatable joint on the rear supporting leg 120, so that one end of each of the two positioning telescopic rods 130 is close to the other end of the corresponding positioning telescopic rod, the other end of each of the two positioning telescopic rods 130 is far from the corresponding positioning support 140, first elastic members are respectively disposed at two ends of each of the positioning supports 140, each of the first elastic members is a first tension spring, one of the first tension springs is connected to one end of the positioning support 140 and one of the front supporting legs 110, and the other first tension spring is connected to the other end of the positioning support 140 and the rear supporting leg 120. The positioning support 140 is balanced by pulling the first elastic member when being extended, and is always in the middle position of the positioning telescopic rod 130. Specifically, the end covers 113 are arranged at the ends, far away from each other, of the two front supporting legs 110, the fixing nails 112 are arranged at the lower ends of the end covers 113, and the triangular base is fixedly supported through the fixing nails 112, so that stability is guaranteed. The universal wheel 111 is arranged at the lower end of the end cover 113, so that the rotation is convenient.
In another embodiment, the lifting device 300 is disposed above the measuring device 200, the lifting device 300 includes an annular track 310, a manned platform 320, a lifting mechanism 330, a motor, and a track winding mechanism 340; the track winding mechanism 340 is installed at the upper end of the positioning support 140, the circular track 310 is rotatably connected with the track winding mechanism 340, the lifting mechanism 330 is installed at the upper end of the track winding mechanism 340 in a vertically movable manner, as shown in fig. 11, the circular track 310 comprises two arc-shaped half tracks, a space for allowing a tree to enter is reserved between the two arc-shaped half tracks in an initial state, the motor is used for driving the two circular half tracks to approach to fix the tree, and the manned platform 320 is installed at the upper end of the lifting mechanism 330. The tree is trimmed for a circle around the center of the tree under the driving of the rail winding mechanism 340, so that the lifter rotates around the trunk to trim a circle of crown in one lifting process.
The working process comprises the following steps: when the pruning machine is used, the universal wheel 111 arranged at the lower end of the lifting platform pushes the pruning machine to be close to a tree to be pruned, so that the pruning machine is close to the trunk of the tree, the servo motor 119 is started, the servo motor 119 rotates, and the transmission mechanism 116 is driven by the first screw 115. The transmission mechanism 116 includes a first bevel gear and a second bevel gear, the first screw 115 is coaxial with the second bevel gear, the second bevel gear is meshed with the first bevel gear, so the first screw 115 drives the second bevel gear to rotate, and then drives the first bevel gear to rotate, the first bevel gear is coaxial with the distance measuring gear 117, the distance measuring gear 117 rotates, the distance measuring gear 117 moves on the positioning rack 151, and drives the measuring support rod 114 to move forward, and then drives the two front support legs 110 to move forward.
The first screw 115 is in threaded transmission with the front supporting leg 110 so as to drive the front supporting leg 110 to extend when the first screw 115 rotates, two wire binding wheels 152 are arranged on the rear supporting leg 120, a worm is coaxially arranged on each wire binding wheel 152, and a steel wire rope 118 is arranged between each wire binding wheel 152 and each measuring support rod 114.
The two worms are respectively a first worm 1521 and a second worm 1522, when the measuring support rod 114 moves on the positioning rack 151, the steel wire rope 118 is pulled to drive the wire binding wheels 152 to rotate, the winding directions of the steel wire rope 118 on the two wire binding wheels 152 are opposite, so that when the measuring support rod 114 advances, the first worm 1521 and the second worm 1522 can be driven to rotate, the worm 153 driven by the first worm 1521 and the second worm 1522 is driven to rotate, the worm 153 is arranged in the rear support leg 120, the worm 153 rotates to drive a second screw coaxial with the worm 153 to rotate, the second screw is in threaded transmission with the rear support leg 120, and the rear support leg 120 is extended. The extension ratio of the rear support leg 120 is related to the extension ratio of the front support leg 110, and the specific numerical value can be easily realized by adjusting the transmission ratio; the center that makes support triangle-shaped is unchangeable, and then guarantees that lift platform focus is unchangeable, and after the extension is corresponded to the back landing leg at present, the one end that two leading landing legs 110 kept away from each other all is provided with end cover 113, and the 113 lower extremes of end cover are provided with staple 112, through staple 112 fixed stay triangle-shaped bases to the guarantee provides reliable and stable support when the staff prunes the crown outer fringe on the platform. The lower end of the end cover 113 is provided with a universal wheel 111, which is convenient for the rotation of the rotating pushing device (the universal wheel 111 does not work after the fixing nail 112 is installed).
The first roller 214 is internally provided with threads, the slotted screw 213 is arranged in the first roller 214 and is in threaded transmission with the first roller 214, the lock cylinder 211 is arranged in the second roller 212, the lock cylinder 211 is connected with the second roller 212 through a second elastic piece, the second elastic piece is the first spring 142, so that the lock cylinder 211 has a rising trend, and because the slotted screw 213 is positioned in the first roller 214 at the moment, the lock cylinder 211 cannot be inserted into the first roller 214, namely, in an initial state, the first roller 214 and the second roller 212 are axially opposite but are not locked. During the process that the servo motor 119 pushes the two measuring struts 114 to approach the tree, the first roller 214 and the second roller 212 rotate along the trunk, and during the process that the first roller 214 and the second roller 212 rotate, the first roller 214 is provided with a limited rotating rod 215, so that the grooved screw rod 213 can only move in the axial direction. Therefore, the first roller 214 rotates to drive the slotted screw rod 213 to move upwards, when the measurement is completed, the first roller 214 and the second roller 212 both roll by half of the breast diameter of the tree, the slotted screw rod 213 moves upwards to give way to the lock cylinder 211, so that the lock cylinder 211 is pushed out under the action of the second elastic piece to lock the first roller 214 and the second roller 212, as shown in fig. 6, the first roller 214 and the second roller 212 are in a locked state.
The spring rod 217 is provided with a through hole, the initial state locking rod 216 is inserted into the through hole to lock the spring rod 217, the spring rod 217 is used for limiting the ratchet wheel loop bar 222 to rotate, so that the ratchet wheel loop bar 222 cannot rotate relative to the telescopic rod core 221, a third elastic member is arranged between the measuring support rod 114 and the telescopic outer rod 223, the third elastic member is a first torsion spring, when a tree approaches the first measuring component and the second measuring component and drives the first roller 214 and the second roller 212 to rotate, the first torsion spring stores force, the telescopic outer rod 223 transmits torque to the lifting ratchet wheel 226 through a friction block 225, the one-way toothed ring 1141 is matched with the lifting ratchet wheel 226, because the lifting ratchet wheel 226 and the one-way toothed ring 1141 are arranged in a one-way transmission manner, the lifting ratchet wheel 226 cannot move backwards along with the telescopic outer rod 223, the mounting block 228 and the lifting ratchet wheel 226 slide relatively, and the friction block 225 is connected with the mounting groove 2232 through a fourth elastic member, the fourth elastic member is a second spring, when the first measuring assembly and the second measuring assembly pass through the diameter of the tree, as shown in fig. 8, the telescopic outer rod 223 is reset under the driving of the first torsion spring, the telescopic outer rod 223 rotates forward and backward to drive the lifting ratchet 226 to rotate in the resetting process, the telescopic outer rod 223 rises in the rotating process, the fifth elastic member between the lifting ratchet 226 and the measuring support rod 114 is compressed, the fifth elastic member is a third spring and drives the lifting connecting rod 227 fixedly connected with the lifting ratchet 226 to rise, the lifting connecting rod 227 rises to drive the locking rod 216 fixedly connected with the lifting connecting rod 227 to rise, the locking rod 216 rises, namely the locking rod 216 is pulled out upward relative to the spring rod 217, so that the spring rod 217 is ejected in the horizontal direction, the lifting connecting rod 227 descends after being lifted, because the locking rod 216 is dislocated with the spring rod 217 at this time, the spring rod 217 cannot be inserted into the spring rod 217, so that the ratchet sleeve rod 222 is unlocked with the telescopic rod 221, the ratchet sleeve rod 222 is sleeved on the telescopic rod core 221, and the ratchet sleeve rod 222 and the telescopic rod core 221 are connected through a sixth elastic member, and the sixth elastic member is a second torsion spring. In the initial state, the sixth elastic member is in a power storage state, that is, the ratchet sleeve 222 can rotate relative to the telescopic rod core 221 to drive the sixth elastic member between the ratchet sleeve 222 and the telescopic rod core 221 to return, as shown in fig. 8, the telescopic rod core 221 and the telescopic outer rod 223 are connected through a seventh elastic member, and the seventh elastic member is a fourth spring 224. In the initial state, the seventh elastic member is in a power storage state, and when the ratchet sleeve 222 can rotate relative to the telescopic rod core 221, the telescopic outer rod 223 will extend under the elastic force of the seventh elastic member, so that the first roller 214 and the second roller 212 are always in contact with the trunk.
The first roller 214 and the second roller 212 rotate continuously, the two spring rods 217 are pushed to clamp the ratchet loop bar 222, so that the ratchet loop bar 222 cannot rotate relative to the telescopic rod core 221, at this time, the locking rod 216 is inserted into the through hole in the spring rod 217 again, that is, the ratchet loop bar 222 cannot rotate relative to the telescopic rod core 221, the ratchet loop bar 222 and the telescopic rod core 221 are both locked, in the locking process, one end, in contact with the spring rods 217, of the ratchet loop bar 222 is provided with a plurality of arc-shaped surfaces, so that the spring rods 217 can drive the ratchet loop bar 222 to rotate, a plurality of groups of locking protrusions 2233 are arranged in the telescopic outer rod 223, a plurality of groups of locking grooves for meshing transmission with the locking protrusions 2233 are arranged on the outer wall of the ratchet loop bar 222, and after the ratchet loop bar 222 rotates, the first measuring assembly and the second measuring assembly can be locked, and the stability of measurement is guaranteed, as shown in fig. 10.
After the measurement, that is, the fixation is completed, the extension of the positioning telescopic rod 130 is correspondingly completed, and it is known that, generally, for trees of a specific variety and planted in the same garden, the size of the crown is in direct proportion to the diameter of the trunk, and the elevator is provided with a manned platform 320 for the trimming of workers. The driving motor drives the lifting mechanism 330 to move to a preset position corresponding to the outer edge of the tree crown, and then the motor drives the annular rail 310 to approach the tree crown, so that the tree is fixed, and the support triangle, the measurement triangle and the annular rail 310 are ensured to coincide with the center of the tree trunk, so that the device is stably supported. The positioning support 140 can move on the positioning telescopic rod 130, under the action of the first elastic pieces on the two sides, the positioning support 140 is always kept at the middle position of the positioning telescopic rod 130, the annular track 310 is rotatably connected with the track winding mechanism 340, and the tree is trimmed for a circle around the center of the tree under the driving of the track winding mechanism 340, so that the tree crown can be trimmed for one circle in one lifting process by the rotation of the lifter around the tree trunk.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a dense forest zone construction elevator of vegetation which characterized in that: comprises a supporting device, a measuring device and a lifting device; the supporting device comprises two front supporting legs, a rear supporting leg, a transmission mechanism and a synchronous mechanism, wherein the two front supporting legs and the rear supporting leg are sequentially arranged in the circumferential direction, so that a connecting line of one ends of the two front supporting legs and one end of the rear supporting leg forms a triangle; the measuring device comprises two measuring support rods, two positioning racks, a first roller, a second roller, a lifting ratchet wheel, a first measuring assembly and a second measuring assembly; each measuring support rod is fixedly connected with a front supporting leg, two positioning racks are obliquely arranged and connected to a rear supporting leg, so that one ends of the two positioning racks, which are connected with the rear supporting leg, are close to each other, and the other ends of the two positioning racks are far away from each other; each measuring support rod is provided with a distance measuring gear, the distance measuring gear is meshed with the positioning rack, each measuring support rod is provided with a one-way toothed ring, the first measuring assembly is arranged at the left end of the second measuring assembly and symmetrically arranged with the second measuring assembly, the lower ends of the first measuring assembly and the second measuring assembly are both provided with mounting blocks, lifting ratchet wheels are sleeved on the mounting blocks and are used for being meshed with the one-way toothed rings for transmission and configured to only allow the lifting ratchet wheels on the first measuring assembly to rotate clockwise and only allow the lifting ratchet wheels on the second measuring assembly to rotate anticlockwise;
third elastic pieces are arranged between the measuring support rod and the first measuring assembly and between the measuring support rod and the second measuring assembly, the transmission mechanism is configured to enable the two front support legs to extend, and then the measuring support rod is driven to move on the positioning rack, and the synchronization mechanism is configured to convert the movement of the measuring support rod on the positioning rack into the extension of the rear support leg; in an initial state, the first roller and the second roller can rotate along the trunk, the first measuring component is arranged at the left end of the first roller, the second measuring component is arranged at the right end of the second roller, and the first measuring component and the second measuring component are configured to extend along with the rotation of the trunk, so that the first roller and the second roller are always in contact with the trunk; the lifting device is rotatably and movably mounted on the supporting device up and down and is configured to be concentric with the supporting device all the time.
2. The vegetation-dense forest area construction elevator according to claim 1, wherein: the measuring device further comprises a first locking mechanism, the first locking mechanism comprises a slotted screw rod and a lock cylinder, the slotted screw rod is mounted on the first roller in a vertically movable mode, the lock cylinder is arranged in the second roller, and the lock cylinder is connected with the second roller through a second elastic piece, so that the lock cylinder tends to rise.
3. The vegetation-dense forest area construction elevator according to claim 1, wherein: the first measuring assembly and the second measuring assembly are identical in structure, the first measuring assembly comprises a telescopic rod core, a ratchet sleeve rod and a telescopic outer rod, the ratchet sleeve rod is sleeved on the telescopic rod core, a sixth elastic piece is arranged between the ratchet sleeve rod and the telescopic rod core, the sixth elastic piece in an initial state is in a force accumulation state, the telescopic outer rod is connected with the telescopic rod core through a seventh elastic piece, the seventh elastic piece in the initial state is in a force accumulation state, and a third elastic piece is arranged between the measuring support rod and the telescopic outer rod.
4. The vegetation-dense forest area construction hoist of claim 3, wherein: the measuring device further comprises two second locking mechanisms, the two second locking mechanisms are respectively arranged on the first measuring assembly and the second measuring assembly, and each second locking mechanism comprises a locking rod and a spring rod; the spring rod is provided with a through hole, the locking rod in the initial state is inserted into the through hole to lock the spring rod, and the spring rod is used for limiting the rotation of the ratchet wheel loop rod.
5. The vegetation-dense forest area construction elevator according to claim 4, wherein: the measuring device also comprises an extension mechanism, wherein the extension mechanism comprises a friction block; the mounting block is arranged at the lower end of the telescopic outer rod, a fifth elastic piece is arranged between the lifting ratchet wheel and the measuring support rod, a mounting groove is formed in the mounting block, the friction block is arranged in the mounting groove and connected with the mounting groove through a fourth elastic piece, the fourth elastic piece enables the friction block to have the trend of moving outwards, and the outer surface of the friction block is in contact with the inner surface of the lifting ratchet wheel; one end of the lifting connecting rod is fixedly connected with the lifting ratchet wheel, and the other end of the lifting connecting rod is fixedly connected with the locking rod.
6. The vegetation-dense forest area construction hoist of claim 1, wherein: the transmission mechanism comprises a first bevel gear, a second bevel gear, a servo motor and a first screw rod, the first bevel gear is coaxially arranged with the distance measuring gear, the second bevel gear is meshed with the first bevel gear, the first screw rod is coaxial with the second bevel gear, the first screw rod is in threaded transmission with the front supporting leg, and the servo motor is used for driving the first screw rod to rotate.
7. The vegetation-dense forest area construction elevator according to claim 1, wherein: the synchronous mechanism comprises two wire binding wheels, two worms, a turbine and a second screw; two wire binding wheels are arranged on the rear supporting leg, a worm is coaxially arranged on each wire binding wheel, a steel wire rope is arranged between each wire binding wheel and each measuring supporting rod, the winding directions of the steel wire ropes on the two wire binding wheels are opposite, the two worms are meshed with the worm wheel for transmission, the worm wheel is coaxially arranged with the second screw rod, and the second screw rod is in threaded transmission with the rear supporting leg.
8. The vegetation-dense forest area construction elevator according to claim 1, wherein: the supporting device further comprises two positioning telescopic rods and two positioning supports, one ends of the two positioning telescopic rods are respectively installed on the front supporting leg, the other ends of the two positioning telescopic rods are installed on the rear supporting leg, the two positioning telescopic rods are connected to the same rotatable joint on the rear supporting leg, one ends of the two positioning telescopic rods are close to each other, the other ends of the two positioning telescopic rods are far away from each other, a positioning support is slidably connected to each positioning telescopic rod, the two ends of each positioning support are provided with first elastic pieces, each elastic piece is a first tension spring, one end of each positioning support and one front supporting leg are connected through one first tension spring, and the other end of each positioning support and the rear supporting leg are connected through the other first tension spring.
9. The vegetation-dense forest area construction elevator according to claim 8, wherein: the lifting device is arranged above the measuring device and comprises an annular track, a manned platform, a lifting mechanism, a motor and a track winding mechanism; the rail winding mechanism is installed on the upper end of the positioning support, the annular rail is rotatably connected with the rail winding mechanism, the lifting mechanism can be installed on the upper end of the rail winding mechanism in a vertically moving mode, the annular rail comprises two arc-shaped half rails, an interval capable of enabling trees to enter is reserved between the two arc-shaped half rails in the initial state, the motor is used for driving the two annular half rails to be close to each other to enable the trees to be fixed, and the manned platform is installed on the upper end of the lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856150.7A CN114940472A (en) | 2022-07-21 | 2022-07-21 | Construction lifter for vegetation dense forest area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856150.7A CN114940472A (en) | 2022-07-21 | 2022-07-21 | Construction lifter for vegetation dense forest area |
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| CN114940472A true CN114940472A (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210856150.7A Pending CN114940472A (en) | 2022-07-21 | 2022-07-21 | Construction lifter for vegetation dense forest area |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200805A1 (en) * | 1985-05-08 | 1986-11-12 | KAAZ MACHINERY Company, Limited | Elevating device for automatic branch cut-off machines |
| CN209234353U (en) * | 2018-12-04 | 2019-08-13 | 潘正均 | A kind of high-hedge pruning machine and its fixed device |
| CN110562343A (en) * | 2019-03-18 | 2019-12-13 | 金华绿川科技有限公司 | Tree-climbing pruning robot |
| CN111201911A (en) * | 2020-04-01 | 2020-05-29 | 福建省协新园林机械有限公司 | Nursery stock high altitude trimming means |
| CN111386886A (en) * | 2020-04-19 | 2020-07-10 | 朱若良 | Rapid repairing method for branch of landscaping nursery stock |
| CN111602573A (en) * | 2019-02-26 | 2020-09-01 | 潘振建 | Intelligent felling and pruning robot |
| CN113615417A (en) * | 2021-08-23 | 2021-11-09 | 广东电网有限责任公司 | Liftable formula circular orbit beta pruning device |
| CN114303674A (en) * | 2021-12-31 | 2022-04-12 | 杭州万树生态工程有限公司 | Automatic over-and-under type gardens pruning equipment |
| CN114440733A (en) * | 2022-02-16 | 2022-05-06 | 潍坊高航机械科技有限公司 | Rapid measuring device for circumference of garden trees |
-
2022
- 2022-07-21 CN CN202210856150.7A patent/CN114940472A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200805A1 (en) * | 1985-05-08 | 1986-11-12 | KAAZ MACHINERY Company, Limited | Elevating device for automatic branch cut-off machines |
| CN209234353U (en) * | 2018-12-04 | 2019-08-13 | 潘正均 | A kind of high-hedge pruning machine and its fixed device |
| CN111602573A (en) * | 2019-02-26 | 2020-09-01 | 潘振建 | Intelligent felling and pruning robot |
| CN110562343A (en) * | 2019-03-18 | 2019-12-13 | 金华绿川科技有限公司 | Tree-climbing pruning robot |
| CN111201911A (en) * | 2020-04-01 | 2020-05-29 | 福建省协新园林机械有限公司 | Nursery stock high altitude trimming means |
| CN111386886A (en) * | 2020-04-19 | 2020-07-10 | 朱若良 | Rapid repairing method for branch of landscaping nursery stock |
| CN113615417A (en) * | 2021-08-23 | 2021-11-09 | 广东电网有限责任公司 | Liftable formula circular orbit beta pruning device |
| CN114303674A (en) * | 2021-12-31 | 2022-04-12 | 杭州万树生态工程有限公司 | Automatic over-and-under type gardens pruning equipment |
| CN114440733A (en) * | 2022-02-16 | 2022-05-06 | 潍坊高航机械科技有限公司 | Rapid measuring device for circumference of garden trees |
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Application publication date: 20220826 |
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