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Shuttle car and its hydraulic steering system

A technology of steering system and hydraulic steering gear, applied in the field of shuttle car hydraulic steering system and shuttle car steering, can solve the problems of inconvenient maintenance and heavy workload, and achieve the effect of simple layout

Active Publication Date: 2016-02-10
SANY HEAVY EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the above solution is adopted, the controller and related modules need to be pre-configured, and multiple electrical lines need to be arranged between the controller and each part, the workload is heavy, and maintenance is inconvenient when a fault occurs

Method used

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  • Shuttle car and its hydraulic steering system
  • Shuttle car and its hydraulic steering system
  • Shuttle car and its hydraulic steering system

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Embodiment Construction

[0042] It should be pointed out that the description and sequence of specific structures in this section are only descriptions of specific embodiments, and should not be considered as limiting the protection scope of the present invention. In addition, the embodiments in this section and the features in the embodiments can be combined with each other under the condition of no conflict.

[0043] Please refer to Figure 1 to Figure 5 , the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0044] like figure 1 As shown, the hydraulic steering system of the shuttle car in this embodiment includes a hydraulic steering gear 1 , a switching valve group 2 , a first steering cylinder 3 and a second steering cylinder 4 .

[0045] Wherein, the switching valve group 2 includes a first reversing valve 21, a second reversing valve 22 and a third reversing valve 23, and is formed with a first oil port A1, a second oil po...

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Abstract

The invention discloses a shuttle car and its hydraulic steering system. The shuttle car hydraulic steering system includes a first steering cylinder, a second steering cylinder, a hydraulic steering gear and a switching valve group, wherein: the switching valve group has a first oil port, a second oil port, a third oil port and a fourth oil port , the first oil port and the second oil port are connected to the first working oil port and the second working oil port of the hydraulic steering gear respectively, and the third oil port is connected to the rodless chamber of the first steering cylinder and the rodless chamber of the second steering cylinder The rod chamber, the fourth oil port is connected to the rod chamber of the first steering cylinder and the rodless chamber of the second steering cylinder; the switching valve group has at least two working states. In the first working state, the first oil port is connected to In the third oil port, the second oil port is connected to the fourth oil port. In the second working state, the first oil port is connected to the fourth oil port, and the second oil port is connected to the third oil port. The implementation of the present invention can realize the two-way steering of the two-way driving of the shuttle car, and has simple layout, convenient operation and convenient maintenance.

Description

technical field [0001] The invention relates to the field of shuttle car steering technology, in particular to a shuttle car hydraulic steering system. The invention also relates to a shuttle car with the hydraulic steering system of the shuttle car. Background technique [0002] The shuttle car is a special vehicle for transporting coal and other materials in the underground roadway. One end of the underground roadway is equipped with a continuous mining machine for loading vehicles, and the other end is a coal unloading point for unloading coal. Unload coal at the unloading point and return to the continuous miner. This cycle goes on and on, and the coal at the continuous miner is continuously transported to the coal unloading point. [0003] In order to meet the transportation needs of the underground roadway, the shuttle car can travel in two directions, that is, it can travel in two directions according to the transportation needs. In addition, the shuttle car can a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/06
Inventor 刘文东王冶王文学
Owner SANY HEAVY EQUIP CO LTD
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