Embodiments of the present disclosure relate to a material handler. Specifically, embodiments of the present disclosure relate to a material handler attached to an aerial platform and configured for work in an electrified environment.
Aerial devices for working on energized power lines generally comprise a lower, electrically non-insulating boom section, and an upper, insulating boom section such that a dielectric gap is created to enable linemen to work on the energized power lines. Typically, aerial devices include an aerial platform at a boom tip of the boom for a lineman to stand in while the lineman works on the elevated power lines. Periodically, the lineman may need tools or equipment that can be attached to the aerial platform and raised by the boom. However, aerial platforms typically do not have built-in material handling devices. Generally, the lineman may hold equipment, or the lineman may tie a first end of a rope, tether, or cable to the equipment and hook a second end of the tether to the aerial platform to raise the equipment. The attachment to the aerial platform typically comprises hooks that are not reinforced and have relatively low load limits or the tether is attached to a portion of the aerial platform that is not designed for tethering loads. Furthermore, attachment methods generally comprise carabiners, hooks, or some other metallic fastener. These fasteners are generally non-dielectric and may conduct electrical energy. As such, what is needed is a material handler that is reinforced, composite, non-conductive, and able to support necessary loads for performing aerial work in an electrified environment.
Embodiments of the present disclosure solve the above-mentioned problems by providing reinforced material handling assemblies disposed on an sidewalls of an aerial platform. The material handing assemblies provide reinforced support for loads by attaching brackets to the sidewalls of the aerial platform. Furthermore, the loads applied to the material handling assemblies may be spread over several attachment areas such that greater loads may be applied. Further still, some or all parts of the material handler assemblies may be composite such that all materials are dielectric, reducing, or eliminating, the potential for electric discharge from proximate high voltage power lines.
In some aspects, the techniques described herein relate to a first embodiment of a material handler for supporting a load on an aerial platform, the material handler including a T-brace including a strut configured to be inserted through a sidewall of the aerial platform spanning between an interior of the aerial platform and an exterior of the aerial platform, and a plate configured to be in contact with an interior side of the sidewall of the aerial platform; an L-bracket configured to be placed in contact with the strut and an exterior side of the sidewall of the aerial platform; and an opening formed in the L-bracket and the strut of the T-brace providing a space for receiving the load, wherein the L-bracket and the T-brace are configured to support the load in the opening providing at least a portion of the load to a portion of the sidewall of the aerial platform in contact with the plate.
In some aspects, the techniques described herein relate to the material handler, wherein the L-bracket is coupled to the strut and the exterior side of the sidewall by an adhesive, and wherein the plate is coupled to the interior side of the sidewall by the adhesive.
In some aspects, the techniques described herein relate to the material handler, further including a composite dielectric material supporting the load and insulating the aerial platform from electric energy.
In some aspects, the techniques described herein relate to the material handler, wherein the composite dielectric material is a fiber-reinforced material.
In some aspects, the techniques described herein relate to the material handler, wherein the opening forms one of a circle or a hook.
In some aspects, the techniques described herein relate to the material handler, wherein the T-brace is a first T-brace, wherein the L-bracket is a first L-bracket, wherein the opening is a first opening, and wherein the material handler further includes a second T-brace disposed on the sidewall of the aerial platform, a second L-bracket disposed on the sidewall of the aerial platform, wherein the second T-brace and the second L-bracket in combination providing a second opening, and a crossmember disposed in the first opening and the second opening and configured to support the load between the first T-brace, the first L-bracket, and the second T-brace, and the second L-bracket.
In some aspects, the techniques described herein relate to the material handler, wherein the first opening and the second opening are circular and the crossmember is cylindrical, and wherein the material handler further includes crossmember fasteners securing the crossmember in the first opening and the second opening.
In some aspects, the techniques described herein relate to a second embodiment of a material handler for supporting a load on an aerial platform, the material handler including a T-brace including: a strut configured to be inserted through a sidewall of the aerial platform spanning between an interior of the aerial platform and an exterior of the aerial platform, and a plate configured to be in contact with an interior side of the sidewall of the aerial platform; an L-bracket configured to be placed in contact with the strut and an exterior side of the sidewall of the aerial platform; and an opening formed in the L-bracket and the strut of the T-brace, and a crossmember configured to be disposed in the opening and support the load.
In some aspects, the techniques described herein relate to the material handler, wherein the T-brace and the L-bracket include dielectric material configured to support the load and insulate the aerial platform from electric energy.
In some aspects, the techniques described herein relate to the material handler, wherein the T-brace and the L-bracket are connected by an adhesive.
In some aspects, the techniques described herein relate to the material handler, wherein the T-brace is coupled to the interior side of the sidewall by the adhesive and the L-bracket is coupled to the exterior side of the sidewall by the adhesive.
In some aspects, the techniques described herein relate to the material handler, wherein the opening includes a circle, and wherein the crossmember is cylindrical and configured to be disposed within the opening.
In some aspects, the techniques described herein relate to the material handler, further including a plurality of L-brackets and a plurality of T-braces providing a plurality of openings, wherein the plurality of L-brackets and the plurality of T-braces are coupled to the sidewall and are configured to receive and support the crossmember in the plurality of openings.
In some aspects, the techniques described herein relate to the material handler, wherein the crossmember is secured by crossmember fasteners at each end of the crossmember.
In some aspects, the techniques described herein relate to a third embodiment of a material handler for supporting a load on an aerial platform, the material handler including a plurality of T-braces, each T-brace including: a strut configured to be inserted through a sidewall of the aerial platform from an interior of the aerial platform to an exterior of the aerial platform, and a plate configured to be in contact with an interior side of the sidewall of the aerial platform, a plurality of L-brackets, each L-bracket of the plurality of L-brackets configured to be placed in contact with a corresponding strut and an exterior side of the sidewall of the aerial platform, and an opening formed in each L-bracket and each corresponding strut of the plurality of T-braces, and a crossmember configured to be disposed in the opening of each T-brace and each L-bracket and configured to support the load.
In some aspects, the techniques described herein relate to the material handler, wherein the plurality of T-braces, the plurality of L-brackets, and the crossmember include dielectric materials configured to insulate the aerial platform from electric energy.
In some aspects, the techniques described herein relate to the material handler, wherein the plurality of T-braces, the plurality of L-brackets, and the crossmember include composite material configured to support the load.
In some aspects, the techniques described herein relate to the material handler, wherein the crossmember is a cylinder, and the opening is a circle.
In some aspects, the techniques described herein relate to the material handler, wherein the plurality of L-brackets is coupled to the exterior side of the sidewall, and the plurality of T-braces is coupled to the interior side of the sidewall.
In some aspects, the techniques described herein relate to the material handler, wherein the plurality of L-brackets and the plurality of T-braces are coupled to the sidewall by an adhesive.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. Other aspects and advantages of the present disclosure will be apparent from the following detailed description of the embodiments and the accompanying drawing figures.
Embodiments of the present disclosure are described in detail below with reference to the attached drawing figures, wherein:
The drawing figures do not limit the present disclosure to the specific embodiments disclosed and described herein. The drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present disclosure.
The following detailed description references the accompanying drawings that illustrate specific embodiments in which the present disclosure can be practiced. The embodiments are intended to describe aspects of the present disclosure in sufficient detail to enable those skilled in the art to practice the present disclosure. Other embodiments can be utilized, and changes can be made without departing from the scope of the present disclosure. The following detailed description is, therefore, not to be taken in a limiting sense. The scope of the present disclosure is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled.
In this description, references to “one embodiment,” “an embodiment,” or “embodiments” mean that the feature or features being referred to are included in at least one embodiment of the technology. Separate references to “one embodiment,” “an embodiment,” or “embodiments” in this description do not necessarily refer to the same embodiment and are also not mutually exclusive unless so stated and/or except as will be readily apparent to those skilled in the art from the description. For example, a feature, structure, act, etc. described in one embodiment may also be included in other embodiments but is not necessarily included. Thus, the technology can include a variety of combinations and/or integrations of the embodiments described herein.
Generally, embodiments of the current disclosure relate to an electrically insulating material handler provided on an aerial platform. In some embodiments, the material handler may be attached to the aerial platform for performing work in an aerial electrically charged working environment. The material handler may comprise an assembly of components that, when assembled, receive, and support a load on a sidewall of the aerial device. The material handler may be attached to the sidewall mechanically by sliding a bracket through a slit in the sidewall and by adhesive connecting a T-brace on an interior of the sidewall and an L-bracket on an exterior of the sidewall. As such, any load applied to the material handler may be transferred to the sidewall of the aerial platform through the surface area in contact.
In some embodiments, the material handler may comprise shapes, or attachment locations, formed into the T-brace and the L-bracket for receiving loads. In some embodiments, a leveling rod, or crossmember, may be disposed within a space provided by the formed shapes for receiving the crossmember. Any equipment that needs to be raised to the working environment may be attached to the crossmember and lifted by the boom of the aerial device. In some embodiments, the attachment location of the material handler may be a hook formed from the T-brace and the L-bracket, and the equipment may be attached to the hook for raising to the working environment.
Furthermore, in some embodiments, the material handler may comprise a dielectric material. The dielectric material may provide another layer to the insulating features of the aerial platform. The dielectric material may also be composite material configured to withstand the loads necessary to raise the necessary equipment to the working environment.
Referring now to
Base 12 of aerial device 10 may provide a stabilized platform that supports boom assembly 14 in a variety of positions, for example, with aerial platform 16 situated in proximity to worksite 18. Base 12 may provide stability, such as a counterweight, to boom assembly 14 and/or to a load supported by boom assembly 14. In some embodiments, base 12 may include or may be embodied as a ground-based structure, a floating structure, or an airborne structure. By way of example, base 12 may include or may be embodied as utility truck, a crane base, an earth-working machine, a barge, a marine vessel, an oil rig, a sky crane, or a helicopter.
Boom assembly 14 may include one or more boom sections 22. One or more boom sections 22 may respectively include boom member 24, such as a beam, an arm, a spar, a truss, or the like. One or more boom sections 22 may respectively include one or more aerial lift actuators 26, such as a hydraulic actuator and/or the like. One or more aerial lift actuators 26 may be operable to move a corresponding boom member 24. Boom member 24 may be moved to a desired position by actuating corresponding aerial lift actuator 26. One or more boom sections 22 may be moved according to any one or more modalities, such as pivoting, telescoping, rotating, and so forth. By way of example, as shown in
Aerial device 10 may include a power source, such as an engine. The power source may be integrated into base 12. By way of example, the power source, may include a combustion engine, a hybrid-electric engine, or an electric engine of the vehicle. The power source may provide power to hydraulic system 54 configured to operate boom assembly 14.
As shown in
Referring now to
Aerial platform 16 may include one or more control consoles 64. One or more control consoles 64 may respectively define a portion of workstation 58 and/or one or more control consoles 64 may be disposed adjacent to the workstation 58. Additionally, or in the alternative, one or more control consoles 64 may be attached to workstation 58. For example, as shown in
As shown in
In some embodiments, as shown, for example, in
In some embodiments, as shown, for example, in
As shown in
In some embodiments, crossmember 92 may be separate crossmembers with different lengths and different cross-sectional areas and shapes such that each separate crossmember may support different loads and may support different attachment mechanisms. For example, a first crossmember may span the distance between two handler component assemblies 86 supporting load A and a second crossmember may space the distance between two handler component assemblies 86 supporting load C. In some embodiments, only the first crossmember may be present and additional component assemblies may comprise hooks as fastening devices for supporting individual loads without crossmember 92. The various fastening configurations are described in detail below.
In some embodiments, L-bracket 90 may be disposed on the exterior side of sidewall 62 with a sidewall face of L-bracket 90 contacting the exterior side of sidewall 62 and a strut face contacting strut 94. As such, the sidewall face of L-bracket 90 may be fastened to the exterior surface of sidewall 62 and the strut face of L-bracket 90 may be fastened to strut 94 fastening handler component assembly 86 to the exterior side of sidewall 62. Furthermore, plate 96 may be fastened to the interior face of sidewall 62 providing a clamp-like bond of handler component assembly 86 to sidewall 62 of aerial platform 16.
In some embodiments, interior liner 100 may be provided on the interior of aerial platform 16. Interior liner 100 may comprise composite dielectric material providing additional electrical insulation between the workers in aerial platform 16 and the electrically charged phase lines. Interior liner 100 may be provided on the interior side of material handler 84.
Furthermore, as shown in
Crossmember 92 may be any shape and length necessary to span any distance between handler component assemblies 86. As shown, crossmember 92 cross-section is circular; however, the cross section of crossmember 92 may be any shape including, for example, square, triangular, rectangular, or any other polygonal or arbitrary shape. As such, crossmember 92 may be manufactured to fit any opening 106 and provide any structural support necessary. Furthermore, in some embodiments, crossmember 92 may comprise composite and dielectric material as discussed in more detail below.
In some embodiments, crossmember 92 may be slid into opening 106 (
In some embodiments, the coupling of L-bracket 90 and plate 96 to sidewall 62 may be created by any fastening mechanism. For example, handler component assembly 86 may be coupled to sidewall 62 by nut and bolt, screws, adhesives, and the like. To generate a bond between the components across the entire contacted surface area an adhesive may be used. Furthermore, the adhesive may be applied between L-bracket 90 and strut 94 to directly bond L-bracket 90 and T-brace 88. In some embodiments, the adhesives may be a double-sided material adhesive, epoxy, glue, pressure sensitive adhesives, cyanoacrylate, ethyl cyanoacrylate, acrylic resin, and polyvinyl acetate. Any adhesive or combination of adhesives may be used to couple handler component assembly 86 to sidewall 62.
In some embodiments, material handler 84 may comprise composite material. T-brace 88, L-bracket 90, and crossmember 92 may be composed entirely of composite material such as, for example, reinforced or unreinforced thermoplastics or thermosets, laminar composites, fiber-reinforced composites, particulate composites, and any combination thereof. In some embodiments, fiber reinforced composites may be used to provide the structural deflection strength to support loads A, B, and C; however, any composite structures that comprise dielectric properties may be used.
In some embodiments, material handler 84 may comprise dielectric material. The composite materials described above may also be dielectric. The dielectric properties may provide an additional layer of electrical insulation between aerial platform 16 and any component that may come into contact with obstacles 56, which may be electrically charged.
At step 504, strut 94 of T-brace 88 may be inserted through slit 102 of sidewall 62 from the interior side to the exterior side of sidewall 62. This action leaves plate 96 on the interior side with strut 94 extending through sidewall 62 to the exterior side of aerial platform 16. At this point, adhesive may be applied to sidewall 62 and plate 96 where sidewall 62 and plate 96 are in contact. The adhesive may bond, or couple, sidewall 62 to plate 96.
At step 506, L-bracket 90 may be provided on the exterior side of sidewall 62. L-bracket 90 may be placed in contact with strut 94 and the exterior side of sidewall 62. Furthermore, opening 106 of L-bracket 90 and strut 94 may be shaped similarly and aligned providing a space for receiving crossmember 92 and/or receiving loads A, B, and C. Adhesive may be applied to L-bracket 90, strut 94, and T-brace 88 where contact is made.
At step 508, handler component assembly 86 may be attached to sidewall 62. As described above, T-brace 88 may be attached to the interior side of sidewall 62 and L-bracket 90 may be attached to the exterior side of sidewall 62 by adhesive. As such, any load applied to L-bracket 90 may be transferred through the surface area in contact between L-bracket 90 and the exterior of sidewall 62. Furthermore, the load may be received by opening 106 in strut 94 of T-brace 88 transferring the load to the interior of sidewall 62 by plate 96.
At optional step 510, crossmember 92 may be added. Crossmember 92 may be provided through opening 106, which may be any shape as described above. Crossmember may be added through space and crossmember fasteners may be added at step 512 at any point along crossmember 92 to secure crossmember 92 in place relative to handler component assembly 86. As such, material handler 84 may be attached to aerial platform 16 and configured to support loads A, B, C on platform sidewall 62 while the loads A, B, C are elevated for work on elevated power lines.
At step 604, aerial platform 16 may be raised to the elevated working environment. A boom operator situated on the ground, at base 12, or in aerial platform 16 may operate boom assembly 14 to raise aerial platform 16 and loads A, B, C. In some embodiments, aerial platform 16 may be programed to rise automatically. As aerial platform 16 is raised, loads A, B, C may be supported by material handler 84 as described above.
At step 606, when aerial platform 16 reaches the working environment, the raised equipment may be secured in aerial platform 16 and/or in the working environment. For example, the equipment may be tools and a transformer. When the transformer is secured to the power pole, the transformer may be detached from material handler 84, at step 608. As such, loads A, B, C may be released from material handler 84 when secured in the working environment. When the transformer is attached and aerial platform 16 is clear of any obstacles 56, aerial platform 16 may be lowered back to base 12.
Although the present disclosure has been described with reference to the embodiments illustrated in the attached drawing figures, it is noted that equivalents may be employed, and substitutions made herein without departing from the scope of the present disclosure as recited in the claims.
Having thus described various embodiments of the present disclosure, what is claimed as new and desired to be protected by Letters Patent includes the following: