Suspension girder type forepoling bar device

A front-exploring beam and cantilever-beam type technology is applied to the roof beam supporting the mine roof, mining equipment, earth square drilling and mining, etc. It can solve the problems of uneconomical, unsafe, waste of manpower and material resources, etc., and achieves convenient and fast installation and high performance. Safe and reliable effect

Inactive Publication Date: 2019-12-10
孔凡洪
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AI-Extracted Technical Summary

Problems solved by technology

The operation is cumbersome, the key is that the safety factor is small, it is inconvenient to use, and the materials used for...
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Abstract

The invention discloses a suspension girder type forepoling bar device. The suspension girder type forepoling bar device is characterized by comprising fixing clamping plates, locking bolts, nuts, anI-shaped steel top beam, a forepoling bar, pins, fixing holes and adjusting holes, wherein clamping grooves of the two fixing clamping plates are clamped to the lower edge of the I-shaped steel top beam, and are fixed on the I-shaped steel top beam through the locking bolts and the nuts; and the forepoling bar penetrates through the inner grooves of the fixing clamping plates and is matched with the fixing holes in the fixing clamping plates through the adjusting holes in the front probe beam, and the forepoling bar is fixed through the pins. The suspension girder type forepoling bar has the characteristics of being safe and reliable in performance, convenient and rapid to install, capable of automatically adjusting the front, rear, left and right positions during mounting, suitable for advanced exploration temporary supporting during tunneling of a shed supporting roadway, and capable of being repeatedly used.

Application Domain

Mine roof caps

Technology Topic

Image

  • Suspension girder type forepoling bar device

Examples

  • Experimental program(1)

Example Embodiment

[0010] A suspension beam type front probe beam device, which is characterized in that it includes a fixed splint, a locking bolt, a nut, an I-steel top beam, a front probe beam, a pin, a fixing hole and an adjustment hole, and two clamping slots of the fixed splint On the lower edge of the I-beam top beam, it is fixed on the I-beam top beam by locking bolts and nuts. The front probe beam passes through the inner groove of the fixed splint, and passes through the adjustment hole on the front probe beam and the fixing hole on the fixed splint. Match and fix the front probe beam with a pin.
[0011] The front probe beam of the present invention is provided with uniform adjustment holes.
[0012] The working principle of the present invention is: the present invention uses the slot of the fixed splint to be clamped on the lower edge of the top beam support, and the locking bolt is used to firmly fix the top beam, and the front probe beam is fixed on the I-beam top beam to fix the splint device , Hang the front probe beam made of I-beam on the top beam, adjust the front probe beam to a suitable position through the adjustment holes on the front probe beam and the fixing holes on the fixed splint device, and fix the connection by pins.
[0013] The beneficial effects of the present invention are: the hanging beam type front probe beam of the present invention has the characteristics of safe and reliable performance, convenient and quick installation, and can automatically adjust the front, rear, left and right positions of the installation, and is suitable for temporary front probes during tunnel excavation. Supporting use, and can be reused.
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Description & Claims & Application Information

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