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Integral line stabilizing technique for vertical pit construction

A line-stabilizing and overall technology, applied in vertical shaft equipment, mining equipment, earthwork drilling and mining, etc., can solve problems such as loss

Inactive Publication Date: 2010-05-12
MECHANICAL & ELECTRICAL INSTALLATION ENG CO LTD OF CHINA COAL NO 3 CONSTR GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"Quality Inspection and Evaluation Standards for Coal Mine Installation Engineering" MT5010-95 stipulates that the allowable error of verticality between the tank road and the large line is ±7mm. If the verticality error of the large line itself exceeds 7mm, the alignment of the tank road based on the large line will be lost. practical significance

Method used

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  • Integral line stabilizing technique for vertical pit construction
  • Integral line stabilizing technique for vertical pit construction
  • Integral line stabilizing technique for vertical pit construction

Examples

Experimental program
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Embodiment Construction

[0018] 1. First, calculate the side length of the quadrilateral according to the large line point layout diagram of the construction measures (if there are more than 4 large lines, calculate the side length of the polygon), and according to the size of the side length, select 2″~2(1 / 2) "Steel pipes are sawn into gaps according to the position of the large line point, which is used as the positioning size of two adjacent large lines. Stable line steel pipe (9) diameter size is principle with not producing obvious bending.

[0019] 2. The operator brings the line-stabilizing steel pipe (9) into the lower wellhead (4), hangs a heavy hammer (8) under the large line (6), and connects the large line with the line-stabilizing steel pipe (9) with a saw cut Integral polygon, the corner point of polygon is bound with 22# thin iron wire (10) adjacent two stable line steel pipes (9) and large wire (6) and is fixed together.

[0020] 3. After the overall stability of the large line (6), ...

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Abstract

During rockshaft equipment construction of mine vertical pit, to precisely install cage guide beams, cage guides and the like, a plurality of jug lines conforming to dimension stipulated by construction measures are required to be descended from the ground to rockshaft end opening before construction, and fixed firmly at the end opening to be as vertical reference positioning lines for installation of rockshaft equipment. A steel saw is adopted to saw notches on four steel tubes at the position corresponding to the jug lines according to the diameter of the jug lines to be as the positioning dimension and relative position for fixing two adjacent jug lines, and two ends of each steel tube stretch out of the fixing line. A construct can fix the four jug lines two by two with notch-sawed steel tubes near the line stabilizing beam in the pit to lead the four jug lines to form an integral square frame. The square frame can only sway as an integral in the process of line stabilizing without appearing any single jug line swaying solely. The relative dimension of the four jug lines is absolutely correct, after the jug line square frame stabilizes in the pit shaft, the operating personnel can fix the jug lines on the line stabilizing beam in the pit with a jug line fixing clip.

Description

Technical field: [0001] During the construction of mine vertical shaft shaft equipment, in order to accurately install tank beams, tank roads, etc., it is necessary to place several large wires from the ground sealing plate with a large wire car to the lower wellhead of the shaft according to the size specified in the construction measures before construction, and place them at the lower wellhead. The large line is fixed on the line-stabilizing beam as the vertical reference line for wellbore equipment installation. The material of the large wire is usually thin steel wire with a diameter of 1.8mm to 2.1mm, and a weight of 120kg to 180kg is hung below it. Background technique: [0002] In the traditional construction line stabilization process, taking the four large lines as an example, the construction personnel waited for the large lines to be stabilized one by one, and fixed the large lines on the line stabilization beam at the bottom of the well with line stabilization c...

Claims

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Application Information

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IPC IPC(8): E21D7/00
Inventor 廖鸿志
Owner MECHANICAL & ELECTRICAL INSTALLATION ENG CO LTD OF CHINA COAL NO 3 CONSTR GRP CORP LTD
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