A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Hydraulic-drive type automatic speed changing control device of excavator
The invention discloses a hydraulic-drive type automatic speed changing control device of an excavator. The hydraulic-drive type automatic speed changing control device aims to solve the problems that through an existing hydraulic-drive type automatic speed changing control device of an excavator, the production cost is high, and it is difficult to maintain. According to the hydraulic-drive type automatic speed changing control device, a plurality of fixed displacement pumps on a hydraulic control device are connected with short shafts of a plurality of planetary gears (9) of a multi-head power takeoff (2) in a transmission mode. The hydraulic control device is further connected with a hydraulic travel motor through a pipe. Accordingly, the hydraulic-drive type automatic speed changing control device has the advantages of being low in production cost and maintenance cost and lower in control difficulty.
Hydraulic-drive type automatic speed changing control device of excavator
The invention discloses a hydraulic-drive type automatic speed changing control device of an excavator. The hydraulic-drive type automatic speed changing control device aims to solve the problems that through an existing hydraulic-drive type automatic speed changing control device of an excavator, the production cost is high, and it is difficult to maintain. According to the hydraulic-drive type automatic speed changing control device, a plurality of fixed displacement pumps on a hydraulic control device are connected with short shafts of a plurality of planetary gears (9) of a multi-head power takeoff (2) in a transmission mode. The hydraulic control device is further connected with a hydraulic travel motor through a pipe. Accordingly, the hydraulic-drive type automatic speed changing control device has the advantages of being low in production cost and maintenance cost and lower in control difficulty.
Hydraulic-drive type automatic speed changing control device of excavator
CHEN GUANGXING (author)
2015-09-16
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
SPEED REDUCER, ROTATION DRIVE SYSTEM AND HYDRAULIC EXCAVATOR
| European Patent Office | 2019