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Integrated steering brake valve group for mining dump truck and mining dump truck

A technology of steering brake valve and mining dump truck, which is applied in the field of hydraulic pressure and can solve the problems of insufficient reliability and inconvenient maintenance of hydraulic valve groups

Active Publication Date: 2020-10-20
DATONG ELECTRIC LOCOMOTIVE OF NCR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present disclosure is to provide an integrated steering brake valve group for mining dump trucks, which is used to overcome the insufficient reliability and inconvenient maintenance of hydraulic valve groups caused by the limitations and defects of related technologies at least to a certain extent And other issues

Method used

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  • Integrated steering brake valve group for mining dump truck and mining dump truck
  • Integrated steering brake valve group for mining dump truck and mining dump truck
  • Integrated steering brake valve group for mining dump truck and mining dump truck

Examples

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Embodiment Construction

[0022] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted. In other instances, well-known technical solution...

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PUM

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Abstract

The invention provides an integrated steering brake valve group for a mining dump truck and the mining dump truck applying the valve group. The valve group comprises an oil inlet module (1), a servicebrake pilot control module (2), an emergency brake pilot control module (3), a parking brake control module (4) and a steering pilot control module (5), wherein the oil inlet module (1) comprises anoil inlet (P0), a first one-way valve (11) and a filter (12) which are connected in sequence, the oil inlet (P0) is connected with a pressure output oil port of a steering brake pump, and an outlet ofthe filter (12) is connected with a first node (N1); the service brake pilot control module (2) comprises a rear service brake pilot control unit (21) and a front service brake pilot control unit (22); the parking brake control module (4) is connected with the first node (N1), a sixth oil inlet / outlet (P6) and an oil return port (T); and the steering pilot control module (5) is connected with thefirst node (N1), a seventh oil outlet (P7) and the oil return port (T). According to the embodiment, the reliability of the steering brake valve group can be improved, and the maintenance frequency and maintenance difficulty of the valve group are reduced.

Description

technical field [0001] The present disclosure relates to the field of hydraulic technology, in particular, to an integrated steering brake valve group for a mining dump truck and a mining dump truck using the valve group. Background technique [0002] At present, in the field of mining dump trucks, the steering, braking, and lifting functions of mining dump trucks are generally realized through the hydraulic system. The driver controls the steering wheel, hydraulic pedal brake valve, emergency brake button and parking The vehicle brake release button is used to realize the steering, service brake, emergency brake, and parking brake release functions of the mining dump truck. [0003] However, the valve group installation and pipeline connection of each system are basically independent, and the frame space of the mining dump truck is very limited, which makes the valve group installation of the hydraulic system cumbersome and the pipeline connection complicated. When a compo...

Claims

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Application Information

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IPC IPC(8): B62D5/07B60T13/12B60T13/16B60T17/22B60P1/16F15B11/08F15B13/02F15B1/02F15B21/041F16D65/14F16D121/04
CPCB62D5/07B60T13/12B60T13/16B60T17/22B60P1/162F15B11/08F15B13/027F15B13/02F15B1/02F15B21/041F16D65/14F16D2121/04
Inventor 谢超马永生张哲
Owner DATONG ELECTRIC LOCOMOTIVE OF NCR
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