FIELD: forestry machinery industry. SUBSTANCE: machine has pump 4, connected by hydraulic line through control distributor 6 with drive hydraulic motor 10 of winch 3. Additional pump 15 is connected to additional distributor 13, whose slide valve is three-position. Slide valve outlets are connected with control chambers of control distributor 6 by means of control hydraulic lines 11 and 12. Hydraulic drive is provided with additional hydraulic line with check valve 14. Hydraulic line is connected by means of hydraulic line 9 of winch drive idle running to control hydraulic line 11. EFFECT: higher efficiency. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PUSH-THROUGH MECHANISM OF LOPPING MACHINE | 1988 |
|
RU1619587C |
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|
SU750147A1 |
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|
SU1430274A1 |
| LOPPING-PULLING ARRANGEMENT | 0 |
|
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|
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|
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|
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| TIMBERING MACHINE | 1991 |
|
RU2027346C1 |
| TRACTION AND-TRANSPORT VEHICLE | 2002 |
|
RU2232685C1 |
| DRIVE OF PRODUCING MACHINE PULL-THROUGH MECHANISM | 0 |
|
SU1229040A1 |
