Follow-up supporting device and method

A support device and a support method technology, applied in the direction of lifting devices, etc., can solve problems such as bridge jacking safety threats, safety accidents, oil pipe bursts, etc., and achieve the effects of overcoming uneven load stress, safety, reliability, and uniform force

Inactive Publication Date: 2015-04-22
SHANGHAI URBAN CONSTR GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the hydraulic jacking system as a support system has great risks: if accidents such as hydraulic internal leakage and oil pipe burst occur during jacking, the safety of the bridge jacking will be threatened, and even immeasurable safety accidents will occur

Method used

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  • Follow-up supporting device and method
  • Follow-up supporting device and method

Examples

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Embodiment Construction

[0029] The invention is a support system applied to building (structure) jacking engineering, especially a supporting system of bridge jacking engineering. It is a major improvement made on the basis of the existing follow-up support system, including the shortcomings of the support device and the support method, and has very important practical significance.

[0030] Below in conjunction with accompanying drawing and embodiment the invention will be further described:

[0031] The invention discloses a follow-up support system, which includes a follow-up support device and a follow-up support method. The system is composed of several follow-up jacks, hydraulic pump stations, oil pipes and balance oil cylinders.

[0032] The follower jack or follower jack is driven by hydraulic pressure, and the internal mechanical thread is used to carry the upper load; the present invention presses part of the hydraulic oil from the larger load to the smaller load balance cylinder through th...

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PUM

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Abstract

The invention provides a follow-up supporting system which comprises a plurality of follow-up jacks, a hydraulic pump station, an oil pipe and balancing oil cylinders. The follow-up jacks adopt hydraulic drive, and internally adopt mechanical threads to bear upper part loads; and the system presses part of hydraulic oil to the balancing oil cylinder with smaller load from the balancing oil cylinder with larger load through the balancing oil cylinders and hydraulic oil lines till the loads borne by follow-up devices corresponding to the balancing oil cylinders at all points are basically uniform. The follow-up supporting system has the benefits that the follow-up supporting system has reliable bearing force, synchronicity and integral carrying capability, can overcome uniform loads caused by a mechanical machining error of the follow-up jacks, and ensures that the loads of the follow-up jacks in the same group is uniform.

Description

technical field [0001] The invention relates to a supporting system for a building (structure) jacking project, in particular to a supporting system for a bridge jacking project. Background technique [0002] At present, the commonly used construction method in bridge jacking projects is hydraulic jacking jacks, especially in large-tonnage bridge jacking projects, hydraulic jacking is the only choice. The hydraulic jack system can provide powerful jacking force, and the entire hydraulic jack system is connected by oil pipes, so they can work together when jacking. At present, the overall jacking system of hydraulic jacks, especially the synchronous jacking technology, has basically matured, and the use of PLC hydraulic synchronous control jacking has been successfully used in many projects. In previous projects, the hydraulic jacking system itself was also used as the support system in the bridge jacking project. [0003] However, the hydraulic jacking system as a support ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F3/46B66F3/24
Inventor 尹天军胡劲松蒋岩峰丁瑜于国伦
Owner SHANGHAI URBAN CONSTR GRP
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