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Foundation pit support force real-time control system and method

A foundation pit support and control system technology, applied in excavation, infrastructure engineering, construction, etc., can solve problems such as difficult deformation control, achieve the effects of reducing labor intensity, ensuring safety, and avoiding unsafe hidden dangers

Active Publication Date: 2015-07-08
SHANGHAI CONSTRUCTION GROUP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the deformation is difficult to control during excavation and construction of deep foundation pits in geotechnical engineering (especially in areas with complex geological conditions and environmentally sensitive areas such as deep foundation pits along urban subway lines), a foundation pit supporting force provided by the invention is instant The control system and method can lock the working state of the hydraulic cylinder in time and realize the real-time mechanical self-locking function of the hydraulic cylinder, thereby avoiding a large amount of waste of manpower and financial resources and some unsafe factors caused by manual operation. The micro-deformation of the foundation pit controls the labor cost of the hydraulic cylinder, and at the same time effectively guarantees the safety of the construction process

Method used

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  • Foundation pit support force real-time control system and method

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Embodiment Construction

[0031] The system and method for real-time control of foundation pit support force proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0032] refer to figure 1 , this embodiment discloses a foundation pit supporting force real-time control system 100, which is set at one end of a steel pipe support 200 and used to support a foundation pit enclosure wall 300. In this embodiment, the enclosure wall 300 is adjacent to the running subway Line 400.

[0033] combine Figure 2 to Figure 3 , the real-time control system 100 of the foundation pit support force accordin...

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Abstract

The invention provides a foundation pit support force real-time control system and method. The system comprises a hydraulic cylinder, a support seat, a locking block, an ejection rod, a crank, a supporting frame, a compression spring, a locking oil cylinder and a programmable logic controller (PLC) unit. The ejection rod is fixedly connected with one end of a piston rod of the hydraulic cylinder, a plurality of snapping teeth and guide grooves are formed in both the ejection rod and the locking block at intervals, and the locking oil cylinder drives the locking block to move through the crank to complete mechanical self-locking of the hydraulic cylinder. The action relationship between the hydraulic cylinder and the locking oil cylinder is coordinated through the PLC unit to complete the ejection and mechanical self-locking of the hydraulic cylinder. By means of the system and the method, resource consumption and potential safety hazards caused by manual operations can be prevented, and the foundation pit safe and orderly construction is further guaranteed.

Description

technical field [0001] The invention belongs to the field of foundation pit construction, in particular to a system and method for real-time control of foundation pit support force. Background technique [0002] With the rapid development of urbanization, urban construction is becoming increasingly diversified and complex, the construction environment is becoming more and more complex, and the required standards are getting higher and higher. Nowadays, during geotechnical construction, especially in the process of excavating deep foundation pits, in order to protect the safety of the foundation pit itself and the surrounding buildings (structures), it is generally necessary to use some supporting structures to support the deep foundation pit. Support, such as reinforced concrete support, steel pipe support, etc. Due to the advantages of fast speed and low cost, the steel pipe support is increasingly used for deep foundation pit support, especially in some occasions where th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 刘冬华顾国明
Owner SHANGHAI CONSTRUCTION GROUP
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