Anchor rod hole positioning device

A technology for positioning devices and bolt holes, which can be used in the installation of bolts, mining equipment, earthwork drilling and mining, etc. It can solve the problems such as the row spacing between bolt holes is not up to standard, and achieve small errors, high standardization, and convenient construction Effect

Pending Publication Date: 2022-07-15
临沂矿业集团菏泽煤电有限公司郭屯煤矿
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Problems solved by technology

[0005] The purpose of the present invention is to provide a anchor hole positioning device to solve the problem in the prior art that the construction personnel measure the

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  • Anchor rod hole positioning device

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[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0017] In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0018] like figure 1 As shown, a preferred embodiment of the present invention provides an anchor hole positioning device, the device includes a square frame, and the square frame includes four connecting rods...

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Abstract

The invention discloses an anchor rod hole positioning device which comprises a square frame, the square frame is formed by connecting four connecting rods end to end, a first positioning hole is formed in the connecting position of every two adjacent connecting rods, a second positioning hole is formed in the middle of each connecting rod, and every two opposite second positioning holes are connected through a reinforcing rod. And a third positioning hole is formed in the intersection of the two reinforcing rods. The device provides two specifications of row distances between anchor rod punching holes, the row distances can be selected according to needs, positioning punching is achieved through the device, errors are small, the standardization degree is high, construction is convenient for operators, and time and labor are saved.

Description

technical field [0001] The invention relates to the technical field of coal mine roadway support, in particular to a bolt hole positioning device. Background technique [0002] The safe production of the coal mine industry is inseparable from the effective coal mine support technology. The reasons for many coal mine accidents at home and abroad in recent years are analyzed and summarized. The root cause is the failure of the coal mine support technology. Support technology Maintaining a coal mine roadway with strong support is particularly important to ensure the efficient and safe production of coal mines. [0003] Among them, bolt support is the most commonly used reinforcement and support method. The bolt support has many advantages such as low support cost, rapid support effect and significant support effect. Before the bolt is installed, the surrounding rock needs to be drilled by a drilling rig. The row spacing of the bolt holes is generally about 900mm or 450mm. In t...

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Application Information

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IPC IPC(8): E21D20/00
CPCE21D20/00
Inventor 赵仁宝秦涛王明辉邵明士
Owner 临沂矿业集团菏泽煤电有限公司郭屯煤矿
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