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Self-adaptive roadside packing device and assorted construction method
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A filling device and self-adaptive technology, which is applied to fillings, safety devices, earthwork drilling and mining, etc., to achieve the effects of reduced production costs, good airtightness, and simple process flow
Inactive Publication Date: 2015-06-03
CHONGQING UNIV
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Abstract
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Problems solved by technology
[0004] The present invention aims to solve the above deficiencies of the existing filling device matched with the roadside filling process
Method used
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Embodiment 1
[0055] This embodiment discloses an adaptive roadside filling device, which includes a front foundation template 1, a rear foundation template 2, a front sliding template 3, a rear sliding template 4, a left foundation template 5, a left sliding template 6, a left connecting template Top template 7, right base template 8, right slide template 9, right top template 10 and at least two threaded anchor rods 11.
[0056] The left and right ends of the front base template 1, the rear base template 2, the front sliding template 3 and the rear sliding template 4 are all bent part templates, which are U-shaped when viewed from above.
[0057] The front non-curved part of the front base template 1 near the upper end has two round holes, which are the anchor rod holes 102 of the front base template. Near the lower end of the front non-curved part of the front foundation template 1, there is a pluggable round hole, which is a grouting hole 104. There are two front base formwork side b...
Embodiment 2
[0085] This embodiment discloses a supporting construction method using the self-adaptive roadside filling device in Embodiment 1, including the following steps:
[0086] 1) Remove floating gangue from the bottom plate, and place several single pillars 16 on the side of the goaf.
[0087] 2) Before installing the foundation template 1, the template is placed vertically, its front is parallel to the direction of the roadway, and the curved part faces the inside of the roadway. Install the front sliding formwork 3 so that the front sliding formwork 3 is in contact with the left roof formwork 7 and the right roof formwork 10, and fasten the front slide formwork 3 and the front foundation formwork 1 with threaded anchor rods 11, trays 12 and nuts 18 . One end of the threaded anchor rod 11 passes through the anchor rod groove 302 of the front sliding formwork and the anchor rod hole 102 of the front foundation formwork successively, then is screwed into the tray 12 and the nut 18,...
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Abstract
The invention discloses a self-adaptive roadside packing device. The self-adaptive roadside packing device comprises a front foundation template, a rear foundation template, a front slide template, a rear slide template, a left foundation template, a left slide template, a left roof-contacted template, a right foundation template, a right slide template, a right roof-contacted template and at least two threaded anchor bolts. The front and the rear slide templates and the left and the right slide templates can slide up and down so as to adapt to changes of top and bottom plates of a coalbed. The lower side of the front foundation template is provided with a grouting hole connected with a grouting pipeline, and the grouting hole is sealed after grouting. The left and the right templates are connected with the front and the rear templates by bolts so as to form a closed packing space. The invention further discloses a construction method assorted with the self-adaptive roadside packing device. The construction method is simple to operate, low in labor intensity and capable of effectively improving gob-side roadway construction efficiency. In addition, the device is reusable and thus production cost is reduced.
Description
technical field [0001] The invention relates to a roadside filling device and a supporting construction method, and is particularly suitable for a working face where a grouting filling process is adopted for horizontal and gently inclined coal seams to support the roadway retaining along the gob. Background technique [0002] The roadside filling technology is to maintain the mining roadway by leaving the support body on the side of the goaf, and continue to use it when mining in the adjacent section. Selection of protective materials. At present, concrete, high-water quick-setting materials, CHCT materials, pastes, and paste-like materials, etc., have high strength and small deformation of the supporting body formed by them, and the matching roadside filling and grouting process has good continuity and high construction strength. Low pros are widely used. [0003] There are mainly two types of filling devices that are compatible with the roadside filling process: flexible...
Claims
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Application Information
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