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Height adjustment support and technique for utilizing height adjustment support to adjust height

A technology of height adjustment and support, applied in bridge parts, bridge erection/assembly, bridge maintenance, etc., can solve problems such as changing the stress state of the upper and lower structures, uneven bearing pressure of bridge supports, hidden dangers of structural safety, etc. , to achieve the effect of excellent wear resistance, good mechanical properties, slow and uniform lifting process

Inactive Publication Date: 2009-09-23
HEBEI BAOLI ENG EQUIP GRP CO LTD
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AI Technical Summary

Problems solved by technology

In the case of uneven settlement of the foundation of the beam body, the stress state of the upper and lower structures will be changed, which will bring hidden dangers to the safety of the structure
In addition, due to the unavoidable construction errors of the supporting pad stone elevation of the beam structure, the slight deformation of various prefabricated beams and continuous beam structures after tensioning, and the allowable height error after the bridge support is processed, various bridges , The aqueduct structure has the unavoidable technical problem of uneven pressure bearing of the bridge support during the construction process

Method used

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  • Height adjustment support and technique for utilizing height adjustment support to adjust height
  • Height adjustment support and technique for utilizing height adjustment support to adjust height

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Embodiment Construction

[0019] The structure and principle of the height adjustment support provided by the present invention and the process of height adjustment using it will be further described in detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, the height-adjusting support provided by the present invention includes an upper seat plate 1, a rubber pressure bearing plate 2 and a bottom basin 3, and an injection pipeline 5 with a valve 4 is provided on the bottom basin 3, and the injection pipeline 5 is filled with double Component polyurethane rubber 6, injection pipeline 5 can be two as shown in the figure, also can be more than two. Such as figure 2 As shown, the height-adjusting support 8 under the beam body 7 is connected to the injection machine 13 with the material box 12 through the check valve 9, the throttle valve 10, and the flow divider 11, and the injection machine 13 is connected to the hydraulic sensor 14 .

[0021] When the height-a...

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Abstract

The invention belongs to the technical field of bridge supports and discloses a height adjustment support and a technique for utilizing the height adjustment support to adjust height. The invention has the main technical characteristics that the height adjustment support comprises an upper seat plate, a rubber bearing plate and a base basin; the base basin is provided with injection agent pipelines with a valve; the injection agent pipelines are connected with an injection-moulding machine by a check valve, a throttle and a flow divider; the injection agent pipelines are internally poured with bicomponent polyurethane rubber are two or more than two; and the injection-moulding machine is connected with a hydraulic sensor. The height adjustment support can lead the height of the girder to reach conformity or meet design requirements by adjusting the height, can adjust height in a stepless and multiple times manner, can measure load force, has simple and convenient construction in the processes of leveling, measuring force and adjusting height, does not need large machines and other jacking equipment and can adjust height with dynamic load.

Description

technical field [0001] The invention belongs to the technical field of bridge supports, and in particular relates to a height-adjusting support and a height-adjusting process using the same. Background technique [0002] With the continuous increase of domestic infrastructure construction projects, the proportion of various bridge and aqueduct structures in infrastructure construction continues to increase. In the case of uneven settlement of the foundation of the beam body, the stress state of the upper and lower structures will be changed, which will bring hidden dangers to the safety of the structure. In addition, due to the unavoidable construction errors of the supporting pad stone elevation of the beam structure, the slight deformation of various prefabricated beams and continuous beam structures after tensioning, and the allowable height error after the bridge support is processed, various bridges 1. During the construction of the aqueduct structure, there is an unav...

Claims

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Application Information

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IPC IPC(8): E01D19/04E01D22/00
Inventor 陈广进张郡李靖赵九平张建付强张大伟张晓燕赵景岩李金红张勇
Owner HEBEI BAOLI ENG EQUIP GRP CO LTD
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