A milling device

A technology of milling and digging and hydraulic motor, which is applied in the field of shield tunneling equipment that expands the function of construction machinery, can solve the problems of high performance requirements of hydraulic motor and reducer, low transmission efficiency of parallel shaft reducer, and difficulty in maintenance and repair. Ease of maintenance and repair, improved energy usage, and low production costs

Active Publication Date: 2017-07-28
襄阳泰巨达工程机械有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structure has high requirements on the performance of the hydraulic motor and reducer, is expensive, difficult to maintain and repair, and the transmission efficiency of the parallel shaft reducer is low, and the volume and weight are large

Method used

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Embodiment Construction

[0027] figure 1 , figure 2 , image 3 Among them, there is a central tube 2 at the lower part of the frame 1; the left hydraulic motor 3 and the right hydraulic motor 4 are installed in the central tube 2; the first overflow valve 12 is installed on the mounting surface of the left hydraulic motor 3; the second overflow valve 13 is installed on the right 4 mounting surfaces for hydraulic motors. The oil inlet and the oil outlet of the left hydraulic motor 3 are respectively connected with the oil inlet and the oil outlet of the first overflow valve 12; the oil inlet and the oil outlet of the right hydraulic motor 4 are respectively connected with the second overflow valve 13 The oil inlet and the oil outlet are connected; the main oil inlet 10, the main oil return port 11, and the oil discharge port 19 are arranged on the frame 1; one end of the main oil inlet pipe 14 is connected to the main oil inlet 10 on the frame 1 , the other end is connected to the oil inlet of the ...

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Abstract

A milling and digging device, there is a central cylinder at the bottom of the frame; left and right hydraulic motors are installed in the central cylinder; one end of the main oil inlet pipe is connected with the main oil inlet on the frame, and the other end is connected with the oil inlet of the left hydraulic motor; One end of the pressure oil pipe is connected to the oil outlet of the left hydraulic motor, and the other end is connected to the oil inlet of the right hydraulic motor; one end of the main oil return pipe is connected to the oil outlet of the right hydraulic motor, and the other end is connected to the main oil return port on the frame; , The oil drain port of the right hydraulic motor is respectively connected with the oil drain port on the frame; the inner ends of the two shell-rotary planetary reducers symmetrically installed at both ends of the central cylinder are respectively connected with the left and right hydraulic motors; each shell-rotary planetary reducer There is a milling and digging cutterhead at the outer end of the machine; there is a flange 1 for fixing the milling and digging cutterhead on the outer peripheral wall of the output casing of the planetary reducer; the upper part of the frame is provided with a connecting mechanism. The invention has high transmission efficiency, small volume and weight, simple structure, flexible parts, reliable operation, low production cost and easy maintenance and repair.

Description

technical field [0001] The invention relates to a functional attachment using hydraulic engineering machinery as a carrier and a power source, which can efficiently break rocks, road surfaces, and remove tree stumps. Specifically, it is a shield device that expands the functions of engineering machinery. Background technique [0002] The milling and excavating machine in the prior art is driven by a steel ball hydraulic motor with large displacement, low speed and high torque, and the transmission device is a parallel shaft reducer installed in the frame. Both ends of the shaft drive the milling and digging drum respectively. This structure has high requirements on the performance of the hydraulic motor and the reducer, is expensive, difficult to maintain and repair, and the transmission efficiency of the parallel shaft reducer is low, and the volume and weight are large. Contents of the invention [0003] The object of the present invention is to provide a milling and di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F5/08
Inventor 汪泓
Owner 襄阳泰巨达工程机械有限公司
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