Described herein is an earth auger and pole machine for automated installation of poles in earth banks of access roads to open-pit mines. The earth auger and pole machine is fitted with a mechanic boom comprised of a first link and a second link. The first link has an end attached to a base fixed to a conveyor vehicle, and the other end coupled to the second link. The second link comprises a magazine for loading the poles, an auger system to drill the ground, and an installer to place the poles into the hole. This document also describes a method for installing poles in sequence by using the earth auger and pole machine.

An emergency restoration system is disclosed. The emergency restoration system including a base and a tower pivotally connected to the base. The tower including at least one tower section and at least one insulated tower section pivotally connected to the at least one tower section, the insulated tower section including at least one insulator pivotally connected thereto.

An emergency restoration system is disclosed. The emergency restoration system including a base and a tower pivotally connected to the base. The tower including at least one tower section and at least one insulated tower section pivotally connected to the at least one tower section, the insulated tower section including at least one insulator pivotally connected thereto.

The invention relates to a tower of a wind power plant, having a lower part in the form of a lattice tower or truss tower with at least two corner bars, and an upper part in the form of a cross-sectionally substantially round tubular tower, wherein each particular corner bar is put together from a plurality of steel tube profiles that are connected together in the longitudinal direction. In order to achieve good transportability and easier assembly of the components of such a tower, the invention proposes a modular tower concept. According to the invention, each particular corner bar is in this case put together from at least three steel tube profiles which are provided with perforated flanges for holding screws, wherein the corner bars are connected together by cross struts and/or tension struts attached to the flanges, and wherein the steel tube profiles of each particular corner bar are spirally welded steel tube profiles.

A system for supporting and transporting a drilling rig. The system may have a pair of rails, wherein each rail has a plurality of rail segments and a plurality of connections between the segments. Moreover, each connection may have a plurality of interlocking lugs secured with a shear pin and opposing abutment faces, such that each connection may be configured to transfer moment and shear forces between adjacent rail segments. In some embodiments, the each rail segment may be configured to support a point load of up to 1000 kips. In some embodiments, each rail segment may have a protruding connector and a receiving connector, and each connection may include the protruding connector of a first segment and the receiving connector of a second segment. In some embodiments, a portion of each connection may be configured for tension loading and another portion may be configured for compression loading.

A system for supporting and transporting a drilling rig. The system may have a pair of rails, wherein each rail has a plurality of rail segments and a plurality of connections between the segments. Moreover, each connection may have a plurality of interlocking lugs secured with a shear pin and opposing abutment faces, such that each connection may be configured to transfer moment and shear forces between adjacent rail segments. In some embodiments, the each rail segment may be configured to support a point load of up to 1000 kips. In some embodiments, each rail segment may have a protruding connector and a receiving connector, and each connection may include the protruding connector of a first segment and the receiving connector of a second segment. In some embodiments, a portion of each connection may be configured for tension loading and another portion may be configured for compression loading.

A method of building and operating a land-based drilling rig with a high-capacity mast include providing a platform collapsed on a substructure over a proposed well drilling location and building the high-capacity mast in a horizontal condition by attaching a lower portion of the high-capacity mast to the platform. The high-capacity mast having an opening formed therein sized to accommodate four Range 2 pipes or three Range 3 pipes. The high-capacity mast may be raised from the horizontal condition to a vertical condition by pushing the side of the high-capacity mast to pivot the high-capacity mast about a pivot point on the platform. The platform may be raised from a collapsed condition to a raised condition over the substructure. Some implementations include dual racking boards on the high-capacity mast.

The invention has for object a method for manufacturing concrete construction blocks (6) for a wind-generator tower made up of at least two consecutive blocks secured to one another by a contact surface of each of the two blocks, the manufacturing method comprising the following steps: pouring concrete into a first cage of reinforcements (10-1) so as to obtain the first concrete construction block comprising a first contact surface (9), and pouring concrete into a second cage of reinforcements (10-2) so as to obtain the second concrete construction block, the second cage of reinforcements being provided in a form (21) arranged such that the first contact surface (9) of the first block (6-1) makes up a wall for delimiting (26) the pouring of the concrete such as to form a contact surface (9) of the second block (6-2).

A section of concrete intended to form a mast for a windmill, the section including a first portion including a first flange, a second portion including a second flange, a prestressing device including at least one visible part located between the first flange and the second flange, a first attaching device arranged to be connected to the first flange, and/or a second attaching device arranged to be connected to the second flange.

The present invention relates to a modular system of construction, conduction and fixation of tubular structure elements, comprising a first module (200), a second module (300) and, optionally, one or more additional modules (n), wherein each module (200, 300, n) comprises, in the region of its upper end, an annular fixing flange (230, 330) and crimp fins (240, 340) arranged inside the upper end at a fin distance (P.sub.240) which is equivalent to a crimping depth (P.sub.200, P.sub.300) decreased from 10 to 100 millimeters, preferably from 50 millimeters. The crimping depth (P.sub.200, P.sub.300), in turn, corresponds to a value between 0.5 and 3, preferably 1.5, times the diameter measurement (D.sub.200, D.sub.300) of the corresponding module (200, 300). The present invention also relates to a corresponding tubular structure (150).