Device for improving linear running performance of excavator during compound action
A compound action and straight-line walking technology, which is applied to earth movers/shovels, construction, etc., can solve problems such as excavator deviation, large load gap, and impact on construction safety, so as to improve performance, facilitate maintenance, and ensure construction safety effect
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[0022] The present invention will be described below in conjunction with the accompanying drawings and embodiments.
[0023] like figure 1 As shown, the present invention includes a first main pump 1, a second main pump 2, a pilot pump 3, a multi-way valve group 15, a left travel pilot valve 8, a right travel pilot valve 10, a left travel motor 11, a right travel motor 17 and Swing motor 16. The oil outlet of the first main pump 1 is connected to the P1 port of the multi-way valve group 15, the oil outlet of the second main pump 2 is connected to the P2 port of the multi-way valve group 15; the oil outlet of the pilot pump 3 is connected to the travel pilot valve P port and the P3 port of the multi-way valve group 15; one oil port of the left travel motor 11 is connected to the Ln port of the multi-way valve group 15, and the other oil port is connected to the Ls port of the multi-way valve group 15; the right travel motor 17 One oil port is connected to the Rs port of the m...
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