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Automatic hoisting system for shield tunneling machine duct pieces and construction method

A shield machine and segment technology, which is applied to earth-moving drilling, wellbore lining, tunnel lining, etc., can solve the problems of thread slippage, lack of operating experience of workers, shaking and shaking of segments, etc., so as to improve the use of Efficiency and economy of equipment, avoiding skewed hanging and reducing the effect of failure rate

Pending Publication Date: 2022-03-11
成都工投装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1) Since the grabbing method of the segment is only lifted by the bolt connection at the center of the bottom, due to the long-term repeated disassembly and installation of the bolt head, the thread is prone to slippage, and there is a safety hazard in the lifting process
[0006] 2) Since the segment is only mechanically clamped by the bottom bolt head and the grabbing head of the beam crane during the transportation process, the segment is not fixed during the transportation process and can be rotated, posing a certain safety hazard
[0007] 3) During the hoisting process of the segment, due to the lack of experience of the workers, there is a phenomenon of crooked pulling and tilting, resulting in a high failure rate of the equipment
[0008] 4) Since the grabbing head of the beam crane is connected to the chain, the segments shake and vibrate during the lifting process, which poses certain safety hazards

Method used

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  • Automatic hoisting system for shield tunneling machine duct pieces and construction method
  • Automatic hoisting system for shield tunneling machine duct pieces and construction method
  • Automatic hoisting system for shield tunneling machine duct pieces and construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0050] A shield machine segment automatic hoisting system, refer to the attached figure 1 , which includes: a vacuum grabbing device, a walking system, a lifting system and a PLC control system, the vacuum grabbing device is used to fix the tunnel segment; the lifting system is connected with the vacuum grabbing device, and is used to drive the vacuum grabbing device Move in the vertical direction; the walking system is connected with the lifting system for driving the vacuum grabbing device to move in the horizontal direction; the PLC control system is electrically connected with the vacuum grabbing device, the walking system and the lifting system respectively.

[0051] As a preferred embodiment, refer to Figure 3-Figure 5 The vacuum grabbing device includes a connecting frame 1, a vacuum suction cup 2 with an arc-shaped bottom surface and a vacuum pump. The connecting frame 1 is fixedly connected to the end of the telescopic oil cylinder 3 of the lifting system, and can be...

Embodiment 2

[0061] On the other hand, the present invention also provides a construction method for the automatic segment lifting system of the shield tunneling machine, referring to the attached figure 2 , including:

[0062]S1: After the vacuum suction cup 2 absorbs the segment, with the retraction of the telescopic cylinder 3 of the lifting system, the suction cup absorbs the segment and lifts it together. At this time, the detection data values ​​of the relevant instruments and meters in the system all meet the system safety operation requirements ;

[0063] S2: When the segment is lifted in place, the PLC system controls the travel motor of the operating system to reverse, and transports the segment back to the unloading station; when the segment is hoisted, the environmental detection system detects the surrounding safe working environment, and the The 3D scanning imaging device and the image acquisition device upload the surrounding environment to the monitor screen for real-time...

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Abstract

The invention discloses an automatic hoisting system for a shield tunneling machine duct piece and a construction method, belongs to the technical field of tunnel engineering construction equipment, and solves the problems of potential safety hazards and high equipment failure rate due to the fact that the duct piece shakes and shakes in the hoisting process in a traditional duct piece grabbing mode. Comprising a vacuum grabbing device, a walking system, a lifting system and a PLC control system, and the vacuum grabbing device is used for sucking tunnel segments; the lifting system is connected with the vacuum grabbing device and used for driving the vacuum grabbing device to move in the vertical direction. The walking system is connected with the lifting system and used for driving the vacuum grabbing device to move in the horizontal direction. The PLC control system is electrically connected with the vacuum grabbing device, the walking system and the lifting system. And the automation degree and the integration degree of the equipment are improved, so that the equipment is safer and more reliable in the grabbing and hoisting procedures, the use efficiency and the economical efficiency of the equipment are improved, and the fault rate of the equipment and the labor intensity of workers are reduced.

Description

technical field [0001] The invention belongs to the technical field of tunnel engineering construction equipment, and in particular relates to an automatic hoisting system and a construction method for segments of a shield machine. Background technique [0002] At present, in the construction of underground tunnels, due to the characteristics of the supporting structure, the shield segments on the marshalling train cannot be directly transported to the segment assembly position, and the shield segments on the marshalling train must be transported by the segment crane. It is hoisted to the segment transport trolley, and then the shield segment is transferred to the bottom of the segment assembly machine by the segment trolley for the segment assembly machine to grab and assemble. [0003] At present, the segment hoisting system of the shield machine used on the shield machine is grasped by the beam crane through the mechanical clamping of the grabbing head, and then the walki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/40E21D11/08
CPCE21D11/40E21D11/08
Inventor 廖珂梁炜苟竟钊
Owner 成都工投装备有限公司