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Filling and tamping test box of gangue and gangue filling, pushing and tamping method

A test chamber and gangue technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., to achieve the effects of convenient processing, cost saving and simple operation

Pending Publication Date: 2019-05-31
HEBEI UNIV OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aiming at the density and filling rate of gangue filling, there are many research results at present, but most of the research results are designed and used to test and study the axial compression characteristics of gangue filled with compressed steel drums, and few research results and documents are designed. A test gangue filling device is used to push the filling gangue horizontally to study the compaction characteristics of the filling gangue in the laboratory, and there are few materials to study the movement state of the filling gangue after pushing and the consolidation of the filling gangue Nature etc.

Method used

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  • Filling and tamping test box of gangue and gangue filling, pushing and tamping method
  • Filling and tamping test box of gangue and gangue filling, pushing and tamping method
  • Filling and tamping test box of gangue and gangue filling, pushing and tamping method

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Embodiment Construction

[0015] Such as Figure 1-3 Shown is a schematic structural view of the gangue filling push-tamping test chamber of the present invention.

[0016] A kind of waste rock filling pushing and compacting test box, the test box includes a bottom plate 22 fastened and fixed by screws, a front plate 23, a rear plate 24 and left and right side plates, and a circular hole 25 is arranged in the middle of the front plate 23; in order to facilitate the removal of the top plate, It is convenient to maintain and repair the objects inside the box. The top plate of the compaction box is composed of multiple detachable steel bars 26, simulating the unsinkable roof in the goaf. The detachable steel bars 26 are fixedly connected to the tops of the left and right side plates by bolts 27 The inside of the compaction box is provided with a push plate 28 that can move forward and backward, and the middle part of the push plate 28 is provided with a sleeve 29 that can pass through the circular hole 25...

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Abstract

The invention, which belongs to the technical field of coal gangue filling and mining in the coal industry, particularly relates to a filling and tamping test box of gangue and gangue filling, pushingand tamping method. Test space for realizing filling, pushing, and tamping of a filling machine of gangue in the gangue filling simulation experiment process is provided; and thus the pushing and solidification forming characteristic of the gangue material as well as the motion state of the filling material after pushing and tamping and the carrying capacity of the filling body can be studied. Therefore, the field filling workflow is restored truly and the great convenience is provided for study on the mechanical property of the filling body; and the reference is provided for the industrial test.

Description

technical field [0001] The invention belongs to the technical field of coal gangue filling and mining in the coal industry, and in particular relates to a gangue filling pushing and compacting test box and a gangue filling pushing and compacting method. Background technique [0002] Gangue filling technology has become a major green mining technology in modern coal mines. Using solid waste such as waste rocks in the production process of coal mines to backfill underground goafs not only achieves significant economic and social benefits, but also contributes to improving the production and living environment of mining areas, It played an important role in solving problems such as three-down coal pressing. In the actual coal mine filling process, a special filling hydraulic support is often used to put the mixed filling material into the goaf from the discharge port of the conveyor at the rear of the hydraulic support, and then use the tamping mechanism to compact the side of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/02G01N33/00
Inventor 程立朝李新旺秦义岭李丽赵新元
Owner HEBEI UNIV OF ENG
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