Assembling composite shore

A pillar and column head technology, which is applied in the field of cushioned composite pillars, can solve the problems of wood consumption and achieve the effects of simple manufacture, labor-saving erection, and easy handling

Inactive Publication Date: 2007-06-06
庄炳元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the continuous expansion of the scale of mine production, a large amount of wood continues to be consumed

Method used

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  • Assembling composite shore
  • Assembling composite shore

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Embodiment Construction

[0008] In the following, the pad-mounted composite pillar of the present invention will be described in further detail in conjunction with the examples of the above-mentioned drawings. An example of the present invention includes a column head 1 , a jacket 3 , a column shaft 4 , a bolt 5 , a shrinkable object 6 , and a wooden wedge 7 . The vertical centerline of the jacket 3 is provided with a strip groove 2, and the lower part of the column head 1 and the center of the upper part of the column body 4 are respectively provided with screw holes. The jacket 3 fastens the column head 1 and the column body 4 into one body by two bolts 5 passing through the strip groove 2 and the screw holes on the column head 1 and the column body 4 respectively. The top of column head 1 can be designed as arc or flat according to different support requirements. Column head 1 and column body 4 are made of concrete pouring or metal profile, and its section is rectangular or circular or other shape...

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Abstract

This invention is a pad unit prop consisting of column cap, jacket, column shaft, bolt, compressible object and wooden wedge. There is a strip groove along the vertical and central line, there are respective bolt taps locating in the center of the lower part of the cap and the upper part of the shaft. The shaft and cap are tightly fastened by the jacket through the strip groove and the bolts. Between the cap and shaft, from up to down in turn, there are a pair of the wood wedges and a layer of compressible objects at least or only one pair of the wedges. The cap and shaft are formed by casting the armored concrete or metal materials. The jacket appears clipping or embracing or hooping. The advantages are light, easy to carry and stronger bearing than the wood one, and it is lighter and faster to arrange and recovery and can be repeatedly used, and low cost.

Description

technical field [0001] The invention relates to a cushion type combined pillar used in the technical field of mining and construction. Background technique [0002] The single pillar used in the support of the mining working face has wooden pillars and metal pillars. The supporting force of wooden pillars is small, and it needs to be processed by sawing and chopping before supporting, so it is time-consuming, laborious, and consumes a large amount of wood, thus exacerbating the felling of forests, which is not conducive to the protection of the natural ecological environment. Metal struts are costly. In order to solve the problem of consuming a large amount of wood in mine production, the industry has made great efforts for a long time and achieved great results. However, due to the continuous expansion of the scale of mine production, a large amount of wood continues to be consumed. Therefore, it is still a major issue to be solved in the industry. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G25/06E21D15/16E21D15/18E21D15/20
CPCE04G25/06E21D15/18E21D15/20
Inventor 庄炳元
Owner 庄炳元
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