CN112931140A - Rocker arm saw for cutting branches intruding into power transmission channel and using method thereof - Google Patents
Rocker arm saw for cutting branches intruding into power transmission channel and using method thereof Download PDFInfo
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- CN112931140A CN112931140A CN202110149826.4A CN202110149826A CN112931140A CN 112931140 A CN112931140 A CN 112931140A CN 202110149826 A CN202110149826 A CN 202110149826A CN 112931140 A CN112931140 A CN 112931140A
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- rocker arm
- saw
- power transmission
- arm rod
- chain
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000005520 cutting process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000011835 investigation Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 2
- 239000010763 heavy fuel oil Substances 0.000 claims 1
- 238000013138 pruning Methods 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 244000141353 Prunus domestica Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
- A01G23/091—Sawing apparatus specially adapted for felling trees
-
- 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
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/099—Auxiliary devices, e.g. felling wedges
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ecology (AREA)
- Theoretical Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Portable Power Tools In General (AREA)
Abstract
A rocker arm saw for cutting branches intruding into a power transmission channel and a using method thereof relate to a rocker arm saw and a using method thereof. The invention aims to solve the problems of low efficiency, high risk and high resistance existing in the existing manual cutting of the ultrahigh trees. A support frame (5) is arranged at the upper end of a vehicle body (1), a rocker arm rod (2) is rotatably arranged on the support frame (5), the vertical swinging angle between the support frame (5) and the rocker arm rod (2) is adjusted through the rocker arm rod (2), a counterweight seat (3) is arranged at one end part of the rocker arm rod (2), and a plurality of oil saws (4) are arranged around the other end of the rocker arm rod (2). The method comprises the following steps: determining a travel route of the rocker arm saw; step two: oiling the chain saw (4); step three: cutting the branches in the area needing cutting; step four: retracting the tool; step five: the rocker arm saw is inspected and maintained. The tree pruning machine is used for cutting branches intruding into a power transmission channel.
Description
Technical Field
The invention relates to a rocker arm saw and a using method thereof, in particular to a rocker arm saw for felling branches intruding into a power transmission channel and a using method thereof.
Background
In daily life, green vegetation has played a very important role in beautifying the environment, absorbing environmental pollution, providing a home for wild animals, and the like. However, the green vegetation around the transmission line has significant potential danger for public safety. The collapse of trees around the power transmission line may hit the power transmission line to cause power failure and forest fire, the trees under the power transmission line grow too high, or the growth of trees near the power transmission line channel invades the power transmission channel, causing serious potential safety hazard. Therefore, management and felling of green vegetation around power transmission lines is a very important issue. At present, the pruning of trees around the transmission line and the control of green vegetation have consumed the huge financial resources of electric power company, and these green vegetation of reasonable, high-efficient management can not only reduce whole spending, can ensure to last the power supply moreover, prevent that the transmission line from being damaged the reduction of the power transmission reliability that arouses, causing serious economic loss.
At present, the most important mode is to fell the super high trees manually, so that the risk that the super high trees invade a power transmission channel is prevented. However, the method has various problems, namely firstly, the manual felling efficiency is low, and the operation is carried out by operators only by hands; secondly, the manual felling risk is high, and sometimes, people need to climb trees for operation, so that the operation risk is high; thirdly, the economic loss caused by the whole cutting of the trees is large, in practice, more beneficial bodies can be involved, various resistances are usually generated in the implementation, and if only branches invading into a power transmission channel are cut, the resistance is not generated.
In conclusion, the problems of low efficiency, high risk and high resistance exist in the existing manual super-high tree felling.
Disclosure of Invention
The invention aims to solve the problems of low efficiency, high risk and high resistance of the existing manual super-high tree felling. Further provided is a rocker arm saw for cutting branches intruding into a power transmission channel and a method of use thereof.
The technical scheme of the invention is as follows: a rocker arm saw for cutting branches intruding into a power transmission channel comprises a vehicle body, and further comprises a rocker arm rod, a counterweight seat, a support frame and a plurality of chain saws, wherein the support frame is installed at the upper end of the vehicle body, the rocker arm rod is rotatably installed on the support frame, the vertical swinging angle between the support frame and the rocker arm rod is adjusted through the rocker arm rod, the counterweight seat is installed at the end part of one end of the rocker arm rod, and the plurality of chain saws are installed at the periphery of the other end of the rocker arm rod along the length direction of the rocker arm.
Further, the rocker arm lever is a telescopic rocker arm lever.
Further, the connecting point of the rocker arm rod and the supporting frame can be folded.
Further, the rocker arm lever is a rectangular rocker arm lever.
Furthermore, a plurality of chain saws are arranged on the other side of the rocker arm rod in a cross shape.
Furthermore, the chain saw further comprises a tablet personal computer, wherein the tablet personal computer is installed on the counterweight seat and is connected with a Bluetooth module in a base for installing a plurality of chain saws through Bluetooth in the tablet personal computer.
Furthermore, the multifunctional chain saw further comprises a camera, wherein the camera is installed in the rocker arm rod and is positioned at the tail ends of the plurality of chain saws, a transparent acrylic protection plate is arranged above the camera, and the camera is electrically connected with the tablet personal computer.
The invention also provides a using method of the rocker arm saw for cutting branches intruding into a power transmission channel, which comprises the following steps:
the method comprises the following steps: inspecting weather conditions and power transmission line grade conditions according to line patrol regulations, and determining a vehicle travelling route provided with a rocker arm saw and a travelling route of the rocker arm saw;
step two: determining the oil quantity required by the chain saw according to the investigation result in the first step, and oiling the chain saw; charging a switch and a Bluetooth module in a base for mounting the chain saw and charging a tablet personal computer;
step three: when the region needing to cut branches is reached, the plurality of chain saws are started through the tablet personal computer, the rocker arm is controlled by observing the condition of the tablet personal computer until all branches invading into the power transmission channel are cut;
step four: the chain saw is turned off through the tablet personal computer, and the arm of the rocker arm is retracted through the rocker arm control handrail in the rocker arm rod and the control mechanism;
step five: the chain saw is inspected, damaged sprocket and other parts are changed, for saw arm and the incasement mechanical structure clearance piece of saw of chain saw and oil, all drive mechanism of fastening clear up the surplus fuel of saw incasement of chain saw.
Compared with the prior art, the invention has the following effects:
1. the tree pruning device can directly prune branches invading a power transmission channel when vehicles and personnel patrol, does not need to prune trees from the root, greatly improves the working efficiency, and effectively reduces the economic loss of the trees.
2. According to the invention, through the self-expansion and control mechanism of the rocker arm rod, the height of the chain saw can be flexibly controlled, and branches can be cut conveniently. 4 the chain saws are arranged in a cross shape, so that branches invading into the power transmission channel can be well felled from all directions. The adoption of a chain saw for cutting can reduce the cutting resistance.
3. The chain saw switch is controlled by the Bluetooth receiving device, so that on one hand, the safety of operators is protected without directly contacting equipment, and on the other hand, the equipment can be operated conveniently.
4. According to the invention, the camera is arranged at the front end of the rocker arm, and the iPad is arranged at the tail part of the rocker arm, so that the condition of the front end can be live broadcast at the tail part in real time, operators can know the condition of the front end in time conveniently, and the operation process can be more detailed.
5. According to the invention, the wheel carrier (namely the movable vehicle body) is arranged at the lower part of the rocker arm, so that the rocker arm can move more conveniently and can be hung on a vehicle unhook to move along with the vehicle.
Drawings
FIG. 1 is a front view of the overall construction of the present invention; FIG. 2 is a top view of a plurality of chain saws 4 mounted on the rocker arm lever 2;
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 2, the rocker arm saw for felling branches intruding into a power transmission channel comprises a vehicle body 1, a rocker arm rod 2, a counterweight seat 3, a support frame 5 and a plurality of chain saws 4, wherein the support frame 5 is installed at the upper end of the vehicle body 1, the rocker arm rod 2 is rotatably installed on the support frame 5, the vertical swinging angle between the support frame 5 and the rocker arm rod 2 is adjusted through the rocker arm rod 2, the counterweight seat 3 is installed at one end part of the rocker arm rod 2, and the plurality of chain saws 4 are installed around the other end of the rocker arm rod 2 along the length direction of the rocker arm rod.
In practical use of the present embodiment, the rocker arm rod 2 is an electric rocker arm, and the rocker arm rod 2 is divided into two parts, one part is used as a lever and contracted, and the other part is used for containing a plurality of chain saws 4. The rocker arm rod of the telescopic part drives the rocker arm rod part for containing a plurality of chain saws 4 to extend and retract.
The counterweight housing 3 of the embodiment can ensure that a plurality of chain saws 4 are arranged at the high section of the rocker arm rod 2, and the rocker arm does not topple over when the tree branches are cut.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 2, and the rocker arm lever 2 of the present embodiment is a telescopic rocker arm lever. So design, be convenient for fell according to the branch of co-altitude. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 2, and the connection point of the rocker arm lever 2 and the support bracket 5 of the present embodiment is foldable. Due to the design, the folded rocker arm rod is convenient to mount on a vehicle, the transportation is convenient, and the occupied space is small. Other components and connection relationships are the same as those in the first or second embodiment.
The rotation point of the rocker arm rod 2 adopted by the embodiment can be folded upwards, so that the rocker arm rod can be effectively prevented from being bent downwards to deform under the premise of receiving the gravity of a plurality of chain saws and the lateral force in the tree cutting process, and the service life and the safety performance in the using process can be conveniently ensured.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 2, and the rocker arm lever 2 of the present embodiment is a rectangular rocker arm lever. Due to the design, a plurality of chain saws, particularly the oil tank part of the chain saw, can be conveniently installed in enough space, and in practical use, four chain saws can share one oil tank or can be independently provided with the oil tank. Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 2, and the plurality of chain saws 4 of the present embodiment are mounted in a cross shape on the other side of the rocker arm lever 2. So set up, under the prerequisite of guaranteeing enough installation space, can be so that when cutting down the branch, two upper and lower chain saws can touch the branch simultaneously and cut down the branch, when meetting the branch of irregular shape, two front and back chain saws also can play a role, cut down once more to being in the branch that is about to cut down, and then guaranteed the effect of cutting. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
When the chain saw of the embodiment is used, one or more chain saws are selectively opened to work according to actual needs, so that the waste of oil caused by opening the chain saw when not necessary is prevented.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 2, and the embodiment further includes a tablet computer 7, where the tablet computer 7 is mounted on the counterweight seat 3, and is connected with a bluetooth module in a base for mounting the plurality of chain saws 4 through bluetooth in the tablet computer 7. So set up, the bluetooth that this embodiment adopted is connected and control mode is current conventional technique, stops through adopting the panel computer to control opening of chain saw, can carry out the every chain saw of independent control, is convenient for under the prerequisite of guaranteeing normal felling work, can practice thrift and reduce cost. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 1 to 2, and the embodiment further includes a camera 8, the camera 8 is installed in the rocker arm rod 2, the camera 8 is located at the tail end of the plurality of chain saws 4, a transparent acrylic protection plate is arranged above the camera 8, and the camera 8 is electrically connected with the tablet personal computer 7. So set up, the operator of being convenient for just can in time observe the image and the actual conditions of cutting down the branch through panel computer, has effectively avoided the operator often to raise the head and has observed the condition that needs cut down the branch, causes the painful phenomenon of cervical vertebra, but also can be clearer and the accurate condition of observing the branch cutting down. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The branches cut by the embodiment are neat, the newly grown branches are relatively neat, the problem that frequent cutting is needed due to irregular branch growth is avoided, and transmission cables are affected due to the fact that some branches grow to the degree of cutting.
The acrylic plate of this embodiment can have the guard action to the camera, prevents that the camera from being damaged by the branch.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 2, and the use method of the rocker arm saw for cutting branches intruding into a power transmission channel of the embodiment comprises the following steps:
the method comprises the following steps: inspecting weather conditions and power transmission line grade conditions according to line patrol regulations, and determining a vehicle travelling route provided with a rocker arm saw and a travelling route of the rocker arm saw;
step two: determining the oil quantity required by the chain saw 4 according to the investigation result in the first step, and oiling the chain saw; charging a switch and a Bluetooth module in a base for mounting the chain saw 4 and charging the tablet computer 7;
step three: when the region needing to cut branches is reached, the plurality of chain saws 4 are started through the tablet personal computer 7, the rocker arms are controlled by observing the condition of the tablet personal computer 7 until all branches invading into the power transmission channel are cut;
step four: the chain saw 4 is turned off through the tablet personal computer 7, and the arm of the rocker arm is retracted through the rocker arm control handrail in the rocker arm rod 2 and the control mechanism;
step five: the chain saw 4 is inspected, damaged sprocket and other parts are changed, for the saw arm of chain saw 4 and the incasement mechanical structure clearance piece of saw and oil, all drive mechanism of fastening, the surplus fuel in the case of the saw of clearance chain saw 4.
In practical use, the chain saw has 4 chain saw handles which are arranged in a cross shape; is connected with the rocker arm vehicle through the oil saw seat; the chain saw seat is provided with a switch with a Bluetooth control module, and can receive opening and closing signals in a Bluetooth mode to control the starting and stopping conditions of the chain saw; the tablet personal computer refers to iPad and is fixed in a counterweight seat at the tail part of the rocker arm rod through an iPad frame; the iPad is communicated with a Bluetooth control module on the chain saw seat through a Bluetooth function to control the start and stop of the chain saw; the iPad plays a video shot by the camera through the camera arranged at the top end of the chain saw;
the rocker arm comprises an arm, a wheel carrier and the like. The arm of the rocker arm rod consists of a steel frame, and the arm can be stretched through a cable, a winch and a control motor; the head of the arm is connected with the chain saw base and is provided with a camera; the tail part of the arm is provided with a counterweight and a hook; the control handrail is arranged on the tail part, so that the functions of pitching, left-right swinging and the like of the whole rocker arm can be realized.
The wheel carrier (vehicle body) is arranged at the lower part of the rocker vehicle, the lower end of the wheel carrier is provided with wheels, and the upper part of the wheel carrier is connected with the arm of the rocker, so that the functions of supporting, fixing, carrying and the like of the arm can be realized.
Claims (8)
1. The utility model provides a rocker arm saw for felling invade transmission of electricity passageway branch, it includes automobile body (1), its characterized in that: the novel oil saw machine is characterized by further comprising a rocker arm rod (2), a counterweight seat (3), a support frame (5) and a plurality of oil saws (4), wherein the support frame (5) is installed at the upper end of the machine body (1), the rocker arm rod (2) is rotatably installed on the support frame (5), the up-and-down swinging angle between the support frame (5) and the rocker arm rod (2) is adjusted through the rocker arm rod (2), the counterweight seat (3) is installed at the end part of one end of the rocker arm rod (2), and the plurality of oil saws (4) are installed on the periphery of the other end of the rocker arm rod (2) along the length.
2. A radial saw for cutting branches intruding into power transmission channels as claimed in claim 1, wherein: the rocker arm rod (2) is a telescopic rocker arm rod.
3. A radial saw for cutting branches intruding into power transmission channels as claimed in claim 2, wherein: the connecting point of the rocker arm rod (2) and the supporting frame (5) can be folded.
4. A radial saw for cutting branches intruding into power transmission channels according to claim 3, wherein: the rocker arm rod (2) is a rectangular rocker arm rod.
5. A radial saw for cutting branches intruding into power transmission channels as claimed in claim 4, wherein: the plurality of chain saws (4) are arranged on the other side of the rocker arm rod (2) in a cross shape.
6. A radial saw for cutting branches intruding into power transmission channels as claimed in claim 5, wherein: the multifunctional chain saw is characterized by further comprising a tablet personal computer (7), wherein the tablet personal computer (7) is installed on the counterweight seat (3) and is connected with a Bluetooth module in a base used for installing a plurality of chain saws (4) through Bluetooth in the tablet personal computer (7).
7. The rocker arm saw for cutting branches intruding into power transmission channels of claim 6, wherein: it still includes camera (8), and camera (8) are installed in rocking arm pole (2), and camera (8) are located the end of many chain saws (4), and the top of camera (8) is equipped with transparent ya keli guard plate, and camera (8) are connected with panel computer (7) electricity.
8. Use of a rocker arm saw according to any of claims 1 to 7 for felling branches into power transmission channels, characterized in that: it comprises the following steps:
the method comprises the following steps: inspecting weather conditions and power transmission line grade conditions according to line patrol regulations, and determining a vehicle travelling route provided with a rocker arm saw and a travelling route of the rocker arm saw;
step two: determining the oil quantity required by the chain saw (4) according to the investigation result in the first step, and oiling the chain saw; charging a switch and a Bluetooth module in a base for mounting the chain saw (4) and charging a tablet personal computer (7);
step three: when the area needing to cut branches is reached, the plurality of chain saws (4) are started through the tablet personal computer (7), and the rocker arms are controlled by observing the condition of the tablet personal computer (7) until all branches invading into the power transmission channel are cut;
step four: the chain saw (4) is turned off through the tablet personal computer (7), and the arm of the rocker arm is retracted through the rocker arm control handrail in the rocker arm rod (2) and the control mechanism;
step five: the chain saw (4) is inspected, damaged sprocket and other parts are replaced, chips are cleaned and oiled for the saw arm of the chain saw (4) and the mechanical structure in the saw box, all transmission mechanisms are fastened, and residual fuel oil in the saw box of the chain saw (4) is cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149826.4A CN112931140A (en) | 2021-02-03 | 2021-02-03 | Rocker arm saw for cutting branches intruding into power transmission channel and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149826.4A CN112931140A (en) | 2021-02-03 | 2021-02-03 | Rocker arm saw for cutting branches intruding into power transmission channel and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112931140A true CN112931140A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110149826.4A Pending CN112931140A (en) | 2021-02-03 | 2021-02-03 | Rocker arm saw for cutting branches intruding into power transmission channel and using method thereof |
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| CN (1) | CN112931140A (en) |
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| US6079577A (en) * | 1996-04-30 | 2000-06-27 | Heikkilae; Risto | Loader |
| US7373960B1 (en) * | 2005-10-24 | 2008-05-20 | Mark Kevin Westbrook | Brush cutter |
| CN203120540U (en) * | 2013-02-05 | 2013-08-14 | 安徽理工大学 | Multi-freedom telescopic pruning machine |
| CN104584979A (en) * | 2015-01-30 | 2015-05-06 | 国网辽宁省电力有限公司抚顺供电公司 | Seating-type electric overhead saw |
| CN204393009U (en) * | 2015-01-23 | 2015-06-17 | 林嘉惠 | The electronic felling strap saw of a kind of novel environment friendly |
| CN105706754A (en) * | 2016-03-22 | 2016-06-29 | 国网浙江省电力公司湖州供电公司 | Tree branch pruning device |
| CN206686690U (en) * | 2017-03-31 | 2017-12-01 | 国网辽宁省电力有限公司锦州供电公司 | Rocker-arm electric branch sawing machine |
| CN209134891U (en) * | 2018-11-14 | 2019-07-23 | 杜企业 | Garden trimming machine |
| CN211064247U (en) * | 2019-07-06 | 2020-07-24 | 浙江白马实业有限公司 | Lithium electricity gardens branches of tall trees saw |
| CN214282541U (en) * | 2021-02-03 | 2021-09-28 | 国网黑龙江省宝泉岭电业局有限公司 | Rocker arm saw for cutting branches invading into power transmission channel |
-
2021
- 2021-02-03 CN CN202110149826.4A patent/CN112931140A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079577A (en) * | 1996-04-30 | 2000-06-27 | Heikkilae; Risto | Loader |
| US7373960B1 (en) * | 2005-10-24 | 2008-05-20 | Mark Kevin Westbrook | Brush cutter |
| CN203120540U (en) * | 2013-02-05 | 2013-08-14 | 安徽理工大学 | Multi-freedom telescopic pruning machine |
| CN204393009U (en) * | 2015-01-23 | 2015-06-17 | 林嘉惠 | The electronic felling strap saw of a kind of novel environment friendly |
| CN104584979A (en) * | 2015-01-30 | 2015-05-06 | 国网辽宁省电力有限公司抚顺供电公司 | Seating-type electric overhead saw |
| CN105706754A (en) * | 2016-03-22 | 2016-06-29 | 国网浙江省电力公司湖州供电公司 | Tree branch pruning device |
| CN206686690U (en) * | 2017-03-31 | 2017-12-01 | 国网辽宁省电力有限公司锦州供电公司 | Rocker-arm electric branch sawing machine |
| CN209134891U (en) * | 2018-11-14 | 2019-07-23 | 杜企业 | Garden trimming machine |
| CN211064247U (en) * | 2019-07-06 | 2020-07-24 | 浙江白马实业有限公司 | Lithium electricity gardens branches of tall trees saw |
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