CN108811865A - A kind of trees high-altitude pruning equipment - Google Patents
A kind of trees high-altitude pruning equipment Download PDFInfo
- Publication number
- CN108811865A CN108811865A CN201810818311.7A CN201810818311A CN108811865A CN 108811865 A CN108811865 A CN 108811865A CN 201810818311 A CN201810818311 A CN 201810818311A CN 108811865 A CN108811865 A CN 108811865A
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- Prior art keywords
- holding claw
- hydraulic cylinder
- sawmilling
- backboard
- altitude
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000013138 pruning Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 125000006850 spacer group Chemical group 0.000 claims abstract description 18
- 210000000078 claw Anatomy 0.000 claims description 61
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 230000008859 change Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- 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
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Shovels (AREA)
Abstract
The present invention relates to forestry machinery fields, more particularly to a kind of trees high-altitude pruning equipment, including holding mechanism, sawmilling mechanism and supporting mechanism, it holds mechanism to connect with sawmilling mechanism, holds and one rotational pin is set positioned at the top of centre bore in mechanism, several spacer pins are set on supporting mechanism, rotational pin and spacer pin are bypassed with wirerope, realization holds mechanism along center axis rotation, and by limit finger setting, hydraulic motor drives sawmilling mechanism to realize sawmilling.The configuration of the present invention is simple, it is light-weight;It is directly installed on the end of high-altitude operation vehicle crane arm, does not change the structure of crane arm;Securely and reliably, the security risk that the pruning operation of trees high-altitude causes is solved the problems, such as;Improve the working efficiency that trees high-altitude branch repairs operation.
Description
Technical field
The present invention relates to forestry machinery fields, more particularly to a kind of trees high-altitude pruning equipment.
Background technique
Urban afforestation is highly important component part in Modernized City Construction, and various types of trees are urban afforestation
Main body.Urban tree is alleviating urban heat land effect, abatement noise, is reducing ambient temperature, maintenance urban inner
Bio-diversity, purification air, delay rainwater etc. can play remarkable effect.However urban tree can also exist always
The problems such as changing, be rotten.Trees are by pest and disease damage postoperative infection fungi and rot, and form withered rotten branch.These withered rotten branches not only lose
The effect becalmed, beautified the environment of taking shelter from rain has been gone, can also bring potential danger to passing pedestrian.It is severe to encounter violent storm etc.
Situations such as weather, withered corruption branch can fall down, pound people, vehicle, happens occasionally.In addition, urban tree is during the growth process
Often influence each other with surrounding power supply line and communication line.Therefore, it is frequently necessary to during urban afforestation in road, gardens
Middle progress high-altitude pruning operation, prevents the generation of various accidents.
China's landscape tree pruning method is needed for being transported to pruning worker using small-sized aloft work vehicle at present
Position, pruning worker are amputated target branch using chain saw.Since chain saw is a kind of higher mechanized tool of risk,
The disadvantages of that there are working efficiencies is low for this method, and it is long to influence traffic time, large labor intensity, worker's high altitude operation risk is high.
Summary of the invention
It is light-weight it is an object of the present invention to overcome the above-mentioned technical problems, and to provide a kind of structure is simple, safe and reliable
Pruning equipment in trees high-altitude can be fully solved the problem that high-altitude trees pruning operating efficiency is low, risk is high.
The technical solution for solving above-mentioned technical problem is as follows:
The present invention devises a kind of trees high-altitude pruning equipment, including holds mechanism, sawmilling mechanism and supporting mechanism,
The supporting mechanism includes an A-frame, and the A-frame has a horizontally disposed lifting arm connection, described
Lifting arm connection and central axis one end it is hinged;The A-frame, which is used to support, holds mechanism and sawmilling mechanism;
The upper backboard for holding mechanism and having a rectangular configuration, the lower part of the upper backboard are provided with upper backboard company
Hole is connect, the sawmilling mechanism has the lower backboard of a rectangular configuration, is provided with lower backboard connecting hole, institute in the lower backboard
The mechanism that holds stated is connected across upper backboard connecting hole with lower backboard connecting hole with sawmilling mechanism by bolt, and is consolidated by nut
It is fixed;
Centre bore is offered in the upper backboard, the mechanism that holds passes through centre bore by the other end of central axis
It is hinged with supporting mechanism;
A rotational pin is arranged positioned at the top of centre bore in mechanism in described holding, if being provided on the supporting mechanism
Dry spacer pin and a wire rope, the wirerope bypass rotational pin and spacer pin, and realization holds mechanism along central axis
Rotation, and by limit finger setting.
It further says, the mechanism that holds further includes front end panel, left holding claw, right holding claw, rear bearing sheet, left holding claw
Hydraulic cylinder and right holding claw hydraulic cylinder, the front end panel and rear bearing sheet are respectively distributed to the front and rear of upper backboard,
It is welded to connect with upper backboard, the left holding claw and right holding claw are respectively distributed to the left and right side of upper backboard, and with before
Support plate articulated connection, the left holding claw hydraulic cylinder and right holding claw hydraulic cylinder are respectively hinged at the top of rear bearing sheet under
Side, the left holding claw and right holding claw are hinged with left holding claw hydraulic cylinder and right holding claw hydraulic cylinder respectively.
It further says, the sawmilling mechanism includes pedestal, hydraulic motor, send saw hydraulic cylinder and sawing component, described
Pedestal and lower backboard weld, the sawing component connect with hydraulic motor by spline, the hydraulic motor and pedestal
It is connected by way of bearing support, described send saw hydraulic cylinder hinged with pedestal and hydraulic motor respectively, and hydraulic motor is saw
The wooden mechanism provides driving power.
It further says, the spacer pin is 6-12.
It further says, it is 2-5mm that the end outer surface that the central axis is connect with supporting mechanism, which wraps up a layer thickness,
Felt mattress.
The beneficial effects of the invention are as follows:
The equipment that trees high-altitude designed by the invention is pruned, structure is simple, light-weight;It is directly installed on high-altitude
The end of Operation Van's crane arm does not change the structure of crane arm;Securely and reliably, the safety that the pruning operation of trees high-altitude causes is solved
Risk problem;Improve the working efficiency that trees high-altitude branch repairs operation.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is to hold mechanism structure schematic diagram;
Fig. 4 is the schematic top plan view of Fig. 3;
Fig. 5 is sawmilling structural scheme of mechanism;
Fig. 6 is the schematic top plan view of sawmilling mechanism;
In figure:1 is upper backboard, and 2 be front end panel, and 3 be left holding claw, and 4 be right holding claw, and 5 be center hole, and 6 connect for upper backboard
Hole is connect, 7 be rear bearing sheet, and 8 be left holding claw hydraulic cylinder, and 9 be right holding claw hydraulic cylinder, and 10 be branch, and 11 be lower backboard, and 12 be lower back
Plate connecting hole, 13 be hydraulic motor, and 14 be sawing component, and 15 is send saw hydraulic cylinder, and 16 be pedestal, and 17 be center axis, and 18 be three
Angle support, 19 be felt mattress, and 20 be rotational pin, and 21 be spacer pin, and 22 be wirerope, 23 lifting arm connections.
Specific embodiment
Embodiment 1:
A kind of trees high-altitude pruning equipment as shown in figures 1 to 6, including hold mechanism, sawmilling mechanism and support machine
Structure, supporting mechanism include an A-frame 18, and A-frame 18 has a horizontally disposed lifting arm connection 23, and crane arm connects
First 23 is hinged with one end of central axis 17;High-altitude operation vehicle crane arm is connect by hinged mode with lifting arm connection 23, and three
Angle support 18, which is used to support, holds mechanism and sawmilling mechanism;
The upper backboard 1 that mechanism has a rectangular configuration is held, the lower part of upper backboard 1 is provided with upper backboard connecting hole 6, sawmilling
Mechanism has the lower backboard 11 of a rectangular configuration, is provided with lower backboard connecting hole 12 in lower backboard 11, holds mechanism and log splitter
Structure passes through upper backboard connecting hole 6 by bolt and lower backboard connecting hole 12 connects, and is fixed by nuts;
Centre bore 5 is offered in upper backboard, is held mechanism by the other end of central axis 17 and is passed through centre bore 5 and support machine
Structure is hinged;
It holds and one rotational pin 20 is set positioned at the top of centre bore 5 in mechanism, be provided with several limits on supporting mechanism
Pin 21 and a wire rope 22, around rotational pin 20 and spacer pin 21, realization holds mechanism and revolves along central axis 17 wirerope 22
Turn, and is positioned by spacer pin 21.
Holding mechanism further includes that front end panel 2, left holding claw 3, right holding claw 4, rear bearing sheet 7, left holding claw hydraulic cylinder 8 and the right side are embraced
Pawl hydraulic cylinder 9, front end panel 2 and rear bearing sheet 7 are respectively distributed to the front and rear of upper backboard 1, weld and connect with upper backboard 1
It connects, left holding claw 3 and right holding claw 4 are respectively distributed to the left and right side of upper backboard 1, and are articulated and connected with front end panel 2, left
Holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9 are respectively hinged above and below rear bearing sheet 7, and left holding claw 3 and right holding claw 4 are divided
It is not hinged with left holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9.
Sawmilling mechanism includes pedestal 16, hydraulic motor 13, send saw hydraulic cylinder 15 and sawing component 14, pedestal 16 and lower backboard
11 welding, sawing component 14 are connect with hydraulic motor 13 by spline, the side that hydraulic motor 13 and pedestal 16 pass through bearing support
Formula connection send saw hydraulic cylinder 15 hinged with pedestal 16 and hydraulic motor 13 respectively, and hydraulic motor 13 provides driving for sawmilling mechanism
Power.
Spacer pin 21 is 6.
The end outer surface that central axis 17 is connect with supporting mechanism wraps up the felt mattress 19 that a layer thickness is 2mm.
Embodiment 2:
A kind of trees high-altitude pruning equipment, including hold mechanism, sawmilling mechanism and supporting mechanism, supporting mechanism and include
One A-frame 18, A-frame 18 have a horizontally disposed lifting arm connection 23, lifting arm connection 23 and central axis 17
One end it is hinged;High-altitude operation vehicle crane arm is connect by hinged mode with lifting arm connection 23, and A-frame 18 is for branch
Support holds mechanism and sawmilling mechanism;
The upper backboard 1 that mechanism has a rectangular configuration is held, the lower part of upper backboard 1 is provided with upper backboard connecting hole 6, sawmilling
Mechanism has the lower backboard 11 of a rectangular configuration, is provided with lower backboard connecting hole 12 in lower backboard 11, holds mechanism and log splitter
Structure passes through upper backboard connecting hole 6 by bolt and lower backboard connecting hole 12 connects, and is fixed by nuts;
Centre bore 5 is offered in upper backboard, is held mechanism by the other end of central axis 17 and is passed through centre bore 5 and support machine
Structure is hinged;
It holds and one rotational pin 20 is set positioned at the top of centre bore 5 in mechanism, be provided with several limits on supporting mechanism
Pin 21 and a wire rope 22, around rotational pin 20 and spacer pin 21, realization holds mechanism and revolves along central axis 17 wirerope 22
Turn, and is positioned by spacer pin 21.
Holding mechanism further includes that front end panel 2, left holding claw 3, right holding claw 4, rear bearing sheet 7, left holding claw hydraulic cylinder 8 and the right side are embraced
Pawl hydraulic cylinder 9, front end panel 2 and rear bearing sheet 7 are respectively distributed to the front and rear of upper backboard 1, weld and connect with upper backboard 1
It connects, left holding claw 3 and right holding claw 4 are respectively distributed to the left and right side of upper backboard 1, and are articulated and connected with front end panel 2, left
Holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9 are respectively hinged above and below rear bearing sheet 7, and left holding claw 3 and right holding claw 4 are divided
It is not hinged with left holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9.
Sawmilling mechanism includes pedestal 16, hydraulic motor 13, send saw hydraulic cylinder 15 and sawing component 14, pedestal 16 and lower backboard
11 welding, sawing component 14 are connect with hydraulic motor 13 by spline, the side that hydraulic motor 13 and pedestal 16 pass through bearing support
Formula connection send saw hydraulic cylinder 15 hinged with pedestal 16 and hydraulic motor 13 respectively, and hydraulic motor 13 provides driving for sawmilling mechanism
Power.
Spacer pin 21 is 12.
Wrap up the felt mattress 19 that a layer thickness is 3cm in the outer surface of central axis 17.
The end outer surface that central axis 17 is connect with supporting mechanism wraps up the felt mattress 19 that a layer thickness is 5mm.
Embodiment 3:
A kind of trees high-altitude pruning equipment, including hold mechanism, sawmilling mechanism and supporting mechanism, supporting mechanism and include
One A-frame 18, A-frame 18 have a horizontally disposed lifting arm connection 23, lifting arm connection 23 and central axis 17
One end it is hinged;High-altitude operation vehicle crane arm is connect by hinged mode with lifting arm connection 23, and A-frame 18 is for branch
Support holds mechanism and sawmilling mechanism;
The upper backboard 1 that mechanism has a rectangular configuration is held, the lower part of upper backboard 1 is provided with upper backboard connecting hole 6, sawmilling
Mechanism has the lower backboard 11 of a rectangular configuration, is provided with lower backboard connecting hole 12 in lower backboard 11, holds mechanism and log splitter
Structure passes through upper backboard connecting hole 6 by bolt and lower backboard connecting hole 12 connects, and is fixed by nuts;
Centre bore 5 is offered in upper backboard, is held mechanism by the other end of central axis 17 and is passed through centre bore 5 and support machine
Structure is hinged;
It holds and one rotational pin 20 is set positioned at the top of centre bore 5 in mechanism, be provided with several limits on supporting mechanism
Pin 21 and a wire rope 22, around rotational pin 20 and spacer pin 21, realization holds mechanism and revolves along central axis 17 wirerope 22
Turn, and is positioned by spacer pin 21.
Holding mechanism further includes that front end panel 2, left holding claw 3, right holding claw 4, rear bearing sheet 7, left holding claw hydraulic cylinder 8 and the right side are embraced
Pawl hydraulic cylinder 9, front end panel 2 and rear bearing sheet 7 are respectively distributed to the front and rear of upper backboard 1, weld and connect with upper backboard 1
It connects, left holding claw 3 and right holding claw 4 are respectively distributed to the left and right side of upper backboard 1, and are articulated and connected with front end panel 2, left
Holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9 are respectively hinged above and below rear bearing sheet 7, and left holding claw 3 and right holding claw 4 are divided
It is not hinged with left holding claw hydraulic cylinder 8 and right holding claw hydraulic cylinder 9.
Sawmilling mechanism includes pedestal 16, hydraulic motor 13, send saw hydraulic cylinder 15 and sawing component 14, pedestal 16 and lower backboard
11 welding, sawing component 14 are connect with hydraulic motor 13 by spline, the side that hydraulic motor 13 and pedestal 16 pass through bearing support
Formula connection send saw hydraulic cylinder 15 hinged with pedestal 16 and hydraulic motor 13 respectively, and hydraulic motor 13 provides driving for sawmilling mechanism
Power.
Spacer pin 21 is 8.
The end outer surface that central axis 17 is connect with supporting mechanism wraps up the felt mattress 19 that a layer thickness is 3mm.
When construction personnel is with deisgn product of the present invention progress high-altitude pruning, according to above-mentioned installation fixed form by the dress
It sets and is installed with high-altitude operation vehicle crane arm.By adjusting the posture of high-altitude operation vehicle crane arm, A-frame 18 it is hydraulic
The device is leaned on the sturdy branch 10 of critical trimming by the length of bar (nothing is shown in figure) position and wirerope 22, passes through left armful of driving
Pawl hydraulic cylinder 8 and right holding claw hydraulic cylinder 9 clamp branch 10, carry out sawing to branch by driving hydraulic motor 13, pass through drive
It is dynamic that saw hydraulic cylinder 15 is sent to carry out sending saw.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to any simple modification to the above embodiments in technical spirit of the invention, equivalent variations, guarantor of the invention is each fallen within
Within the scope of shield.
Claims (5)
1. a kind of trees high-altitude pruning equipment, which is characterized in that including holding mechanism, sawmilling mechanism and supporting mechanism, institute
The supporting mechanism stated includes an A-frame, and the A-frame has a horizontally disposed lifting arm connection, described
One end of lifting arm connection and central axis is hinged;The A-frame, which is used to support, holds mechanism and sawmilling mechanism;
The upper backboard for holding mechanism and having a rectangular configuration, the lower part of the upper backboard are provided with upper backboard connection
Hole, the sawmilling mechanism has the lower backboard of a rectangular configuration, is provided with lower backboard connecting hole in the lower backboard, described
Hold mechanism and sawmilling mechanism upper backboard connecting hole passed through by bolt connected with lower backboard connecting hole, and be fixed by nuts;
Centre bore is offered in the upper backboard, the mechanism that holds passes through centre bore and branch by the other end of central axis
Support mechanism is hinged;
A rotational pin is arranged positioned at the top of centre bore in mechanism in described holding, and is provided with several on the supporting mechanism
Spacer pin and a wire rope, the wirerope bypass rotational pin and spacer pin, and realization holds mechanism along center axis rotation,
And by limit finger setting.
2. pruning equipment in trees high-altitude according to claim 1, which is characterized in that the mechanism that holds further includes
Front end panel, left holding claw, right holding claw, rear bearing sheet, left holding claw hydraulic cylinder and right holding claw hydraulic cylinder, the front end panel is with after
Support plate is respectively distributed to the front and rear of upper backboard, is welded to connect with upper backboard, the left holding claw and right holding claw point
It is not distributed in the left and right side of upper backboard, and is articulated and connected with front end panel, the left holding claw hydraulic cylinder and the right side are embraced
Pawl hydraulic cylinder is respectively hinged above and below rear bearing sheet, the left holding claw and right holding claw respectively with left holding claw hydraulic cylinder
It is hinged with right holding claw hydraulic cylinder.
3. pruning equipment in trees high-altitude according to claim 1, which is characterized in that the sawmilling mechanism includes bottom
Seat, hydraulic motor send saw hydraulic cylinder and sawing component, and the pedestal and lower backboard are welded, the sawing component with it is hydraulic
Motor is connected by spline, and the hydraulic motor and pedestal are connected by way of bearing support, and described send saw hydraulic cylinder
Hinged with pedestal and hydraulic motor respectively, hydraulic motor provides driving power for sawmilling mechanism.
4. pruning equipment in trees high-altitude according to claim 1, which is characterized in that the spacer pin is 6-12
It is a.
5. pruning equipment in trees high-altitude according to claim 1, which is characterized in that the central axis and support machine
The end outer surface of structure connection wraps up the felt mattress that a layer thickness is 2-5mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810818311.7A CN108811865A (en) | 2018-07-24 | 2018-07-24 | A kind of trees high-altitude pruning equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810818311.7A CN108811865A (en) | 2018-07-24 | 2018-07-24 | A kind of trees high-altitude pruning equipment |
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CN108811865A true CN108811865A (en) | 2018-11-16 |
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CN201810818311.7A Pending CN108811865A (en) | 2018-07-24 | 2018-07-24 | A kind of trees high-altitude pruning equipment |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437500A (en) * | 1982-09-30 | 1984-03-20 | Boreal Hydraulic Equipment | Tree cutting mechanism in a tree harvester |
CN2782634Y (en) * | 2005-04-21 | 2006-05-24 | 天津港第四港埠公司 | Steel wire winding machine with antomatic measurement |
CN204276985U (en) * | 2014-10-30 | 2015-04-22 | 中国长江航运集团电机厂 | Rotating regulation type dished cover ring flange boring grab |
CN204802809U (en) * | 2015-07-23 | 2015-11-25 | 杭州沪宁电梯配件有限公司 | Speed limiter for elevator |
CN105439052A (en) * | 2015-12-10 | 2016-03-30 | 国家电网公司 | Aerial work platform |
CN206698968U (en) * | 2017-05-18 | 2017-12-05 | 厦门大学 | A kind of tree-dozer for rescue and relief work |
CN107826998A (en) * | 2017-12-01 | 2018-03-23 | 珠海天力重工有限公司 | The method of work of truck-mounted crane pruning machine, truck-mounted crane and truck-mounted crane pruning machine |
CN208597371U (en) * | 2018-07-24 | 2019-03-15 | 东北林业大学 | A kind of trees high-altitude pruning equipment |
-
2018
- 2018-07-24 CN CN201810818311.7A patent/CN108811865A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437500A (en) * | 1982-09-30 | 1984-03-20 | Boreal Hydraulic Equipment | Tree cutting mechanism in a tree harvester |
CN2782634Y (en) * | 2005-04-21 | 2006-05-24 | 天津港第四港埠公司 | Steel wire winding machine with antomatic measurement |
CN204276985U (en) * | 2014-10-30 | 2015-04-22 | 中国长江航运集团电机厂 | Rotating regulation type dished cover ring flange boring grab |
CN204802809U (en) * | 2015-07-23 | 2015-11-25 | 杭州沪宁电梯配件有限公司 | Speed limiter for elevator |
CN105439052A (en) * | 2015-12-10 | 2016-03-30 | 国家电网公司 | Aerial work platform |
CN206698968U (en) * | 2017-05-18 | 2017-12-05 | 厦门大学 | A kind of tree-dozer for rescue and relief work |
CN107826998A (en) * | 2017-12-01 | 2018-03-23 | 珠海天力重工有限公司 | The method of work of truck-mounted crane pruning machine, truck-mounted crane and truck-mounted crane pruning machine |
CN208597371U (en) * | 2018-07-24 | 2019-03-15 | 东北林业大学 | A kind of trees high-altitude pruning equipment |
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