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A shield machine multi-mode synchronous propulsion and assembly system and its control method

A multi-mode, shield machine technology, used in fluid pressure actuation system components, mechanical equipment, earth-moving drilling, etc., can solve problems such as mutual constraints between the propulsion process and the assembly process

Active Publication Date: 2021-11-26
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies in the above-mentioned background technology, the present invention proposes a shield machine multi-mode synchronous propulsion, assembly system and its control method, which solves the technical problem of the mutual restriction of the propulsion process and the assembly process in the construction process of the traditional shield machine

Method used

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  • A shield machine multi-mode synchronous propulsion and assembly system and its control method
  • A shield machine multi-mode synchronous propulsion and assembly system and its control method

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Embodiment 1, a shield machine multi-mode synchronous propulsion, assembly system, such as figure 2 As shown, it includes a propulsion pump source 1 and an assembly pump source 2 connected to the PLC control unit. The propulsion pump source 1 is used to provide power for shield machine propulsion, and the assembly pump source 2 is used to provide power for assembly.

[0048] Such as figure 1 As shown, the propulsion pump source 1 and the assembled pump source 2 are connected to the oil cylinder group through the hydraulic valve group, and the oil cylinder group is connected to the oil return circuit 31, and the propulsion pump source 1 and the assembled pump source 2 are connected to the oil cylinder group through the hydraulic valve block. Oil is supplied, and then the extension and retraction of the oil cylinder group are realized. When the oil cylinders of the oil cylinder group are extended and retracted, the corresponding hydraulic oil in the cylinder cavity is re...

Embodiment 2

[0059] Embodiment 2, a shield machine multi-mode synchronous propulsion and assembly system, the large group of valve blocks 3 is connected with an external control oil source through the external control oil circuit 32, the external control oil circuit 32 includes the first shuttle valve 15, the first shuttle valve One oil inlet end of 15 is connected to the external control oil source, and the other oil inlet end is connected to the assembled mode rodless chamber oil return oil circuit between the rodless chamber of the cylinder group and the rodless chamber oil return valve 13, the first shuttle valve 15 The oil outlet end is connected with the rodless chamber oil return valve 13 through the second electromagnetic reversing valve 14, and the second electromagnetic reversing valve 14 is connected with the PLC control unit.

[0060] When advancing or assembling, the pressure in the rodless chamber of the cylinder group continues to increase, and it is necessary to ensure that ...

Embodiment 3

[0062] Embodiment 3, a shield machine multi-mode synchronous propulsion and assembly system, the external control oil circuit 32 includes a second shuttle valve 25, one oil inlet end of the second shuttle valve 25 is connected with the external control oil source, and the other oil inlet The end is connected on the rodless chamber oil inlet oil path of the assembly mode between the rodless chamber of the oil cylinder group and the second oil inlet valve 17 of the assembly mode, and the oil outlet end of the second shuttle valve 25 is connected with the assembly mode through the third electromagnetic reversing valve 18. The second oil inlet valve 17 is connected to each other, and the third electromagnetic reversing valve 18 is connected to the PLC control unit.

[0063] During assembly, the oil of the assembled pump source 1 needs to enter the rodless cavity of the cylinder group through the second oil inlet valve 17 in the assembled mode. In the pressure maintaining state, the...

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Abstract

The invention discloses a shield machine multi-mode synchronous propulsion and assembly system and a control method thereof, comprising a propulsion pump source and an assembly pump source connected to a PLC control unit, both of which are connected through a hydraulic valve group Oil cylinder group, the oil cylinder group is connected with the oil return circuit, the hydraulic valve group includes at least one large group valve block, each large group valve block includes the fixed grouping mode rodless chamber oil inlet oil circuit of the oil cylinder group, and the fixed grouping mode has the rod chamber The oil return circuit, the analog fixed grouping mode rodless cavity oil inlet circuit, the assembled mode rod cavity oil inlet circuit, the assembled mode rodless cavity oil return circuit, the assembled mode rodless cavity oil inlet oil circuit, the present invention has Fixed grouping mode, simulated fixed grouping mode, arbitrary grouping mode. The present invention has multiple propulsion modes, including fixed grouping mode, simulated fixed grouping mode, arbitrary grouping mode, weekend pressure keeping mode, and can realize the synchronous propulsion and assembling functions of the shield.

Description

technical field [0001] The invention relates to the technical field of shield machine hydraulic control, in particular to a shield machine multi-mode synchronous propulsion and assembly system and a control method thereof. Background technique [0002] Since the 21st century, the urban process has become faster and faster, and there are more and more projects such as subway construction and tunnel construction. As the pioneer of tunnel construction, the shield machine has been paid more and more attention by the construction party, and the frequency of use is increasing. [0003] As the tunneling power system of the shield machine, the efficiency of the propulsion system determines the construction efficiency of the shield machine, and improving efficiency is to create economic benefits. In the traditional construction process of the shield machine, the propulsion system first excavates a ring distance, then assembles the segments, and continues to excavate after the assemb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/17F15B11/22F15B13/06F15B21/02E21D9/06E21D9/093
CPCE21D9/0621E21D9/093F15B11/17F15B11/22F15B13/06F15B21/02F15B2211/20576F15B2211/782
Inventor 许顺海李光周小磊郑博李太运郭付军叶蕾马志勇詹晨菲朱雷罗恒星蔡留金
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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