FIELD: woodworking.
SUBSTANCE: invention relates to the woodworking and forestry industries, in particular, to hanging aerial saws for pruning the tree tops near overhead power lines. Aerial saw consists of a body (1) with a cutting element (2) and an electric drive with an autonomous DC power source (3). The electric drive is represented by series-connected inverter (10) and an electric asynchronous AC engine (5) connected with the power source via an inverter.
EFFECT: reliability of the electric propulsor of the aerial saw, reliability of the apparatus, and possibility of long effective work at remote locations are increased.
5 cl, 1 tbl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIGITAL TRANSITION STATION WITH CONTROL EQUIPMENT | 2020 |
|
RU2739911C1 |
| HACK SAW | 2020 |
|
RU2743368C1 |
| MOVABLE ELECTRICAL INSTALLATION OF REVERSE TRANSFORMATION | 2021 |
|
RU2787697C2 |
| COMBINE LOGGING MACHINE | 2000 |
|
RU2180774C1 |
| MATERIAL SAWING DEVICE | 2003 |
|
RU2290298C2 |
| ARCTIC ICEBREAKER | 2019 |
|
RU2718192C1 |
| PENDULUM-TYPE BRUSH CUTTER | 2003 |
|
RU2251836C2 |
| LOGGING MACHINE, LOGGING CONTROL SYSTEM, HARVESTER HEAD, HARVESTER HEAD CONTROL METHOD AND METHOD OF LOGGING MACHINE OPERATION CONTROL | 2017 |
|
RU2741349C2 |
| TIMBER HARVESTER | 2002 |
|
RU2233073C2 |
