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Clamping device for underground drilling machines

A technology of drilling machinery and clamps, applied in the direction of rotary drilling rigs, drilling equipment and methods, drilling pipes, etc., can solve problems such as time-consuming structures or roads, damage, etc.

Active Publication Date: 2022-08-09
VERMEER MFG CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, trenching can be time consuming and can cause substantial damage to existing structures or roads

Method used

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  • Clamping device for underground drilling machines
  • Clamping device for underground drilling machines
  • Clamping device for underground drilling machines

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0078] Example 1 is an underground drilling machine including a rotary drive having a rotary driven rod coupling adapted to connect to the end of a drill rod. The rod coupling is rotatable about the drive axis. The rotary drive is mounted to move back and forth along the drive axis. The underground drilling machine also includes a drill rod storage structure positioned alongside the drive axis and a rod handling device for transferring drill rod to and from the drive axis and the rod storage structure along a rod transfer path. The underground drilling machine also includes a first rod clamp and a second rod clamp positioned along the drive axis. The second rod clamp is positioned between the first rod clamp and the rotary driver. The second rod clamp is movable relative to the first rod clamp along the drive axis between a first axial position and a second axial position. When in the first axial position, the second rod clamp is offset from the rod transport path such that...

example 27

[0104] Example 27 is an underground drilling machine including a rotary drive including a rotary driven rod coupling adapted to connect to an end of a drill rod. The rod coupling is rotatable about a drive axis, and the rotary drive is mounted to move back and forth along the drive axis. The rod coupling includes a female connection interface that includes internal threads. The underground drilling machine includes a drill rod storage structure positioned alongside the drive axis. The underground drilling machine includes a rod handling device for transferring drill rod to and from the drive axis and the drill rod storage structure. The underground drilling machine includes at least one rod clamp positioned along the drive axis. The underground drilling machine includes a joint lubricant dispenser positioned for dispensing joint lubricant into the female connection interface. The joint lubricant distributor is axially movable along the drive axis.

[0105] In Example 28, t...

example 33

[0110] Example 33 is an underground drilling machine including a rotary drive including a rotationally driven rod coupling adapted to connect to an end of a drill rod. The rod coupling is rotatable about a drive axis, and the rotary drive is mounted to move back and forth along the drive axis. The underground drilling machine includes a drill rod storage structure positioned alongside the drive axis. The underground drilling machine includes a rod handling device for transferring drill rod to and from the drive axis and the drill rod storage structure. The underground drilling machine includes a first rod clamp positioned along the drive axis. The underground drilling machine includes a second rod clamp positioned along the drive axis. The second rod clamp is positioned between the first rod clamp and the rotary driver. The second lever clamp is pivotally movable about the drive axis between a first pivot position and a second pivot position. The underground drilling machi...

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Abstract

The present disclosure relates to a clamp device for a directional drilling machine. The jaw arrangement may comprise a translatable and pivotable jaw. The clamp arrangement may also include an upper hole rod guide / support and a lower hole rod guide / support. The clamp device may also include a lubrication distributor.

Description

technical field [0001] The present disclosure generally relates to underground drilling machines. More particularly, the present disclosure relates to a system for forming and breaking threaded joints between drill rods of a drilling machine. Background technique [0002] Utility lines for water, electricity, gas, telephone, cable television, fiber optics, etc. often run underground for safety and aesthetic reasons. Sometimes, underground facilities are buried in trenches, which are then backfilled. However, trenching can be time consuming and can cause substantial damage to existing structures or roads. Alternatively, underground drilling processes and systems have been developed for installing facilities underground. A common underground drilling process first involves drilling a pilot hole from the start point to the end point. Once the pilot hole is drilled, the pilot hole can be enlarged using the post-reaming process. During backreaming, product (eg, pipe) may be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/16E21B19/20
CPCE21B19/163E21B19/20E21B19/08E21B19/14E21B7/046E21B19/161E21B7/021E21B19/10E21B19/15
Inventor 克林特·雷克坦纳·沃斯
Owner VERMEER MFG CO