Pulling Head Assembly Workstation for Cabling Installation
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Solution Overview
Problem
The installation of multiple conductor cabling often results in damaged conductors due to improper force application during pulling, leading to increased costs and safety issues, and ad hoc created pulling heads at job sites add time and expense while requiring specialized tools and skills.
Innovation Solution
A workstation with integrated tools for installing a pulling head assembly, including a conductor clamp, cutting guide, stripping tool, and crimping tool, allows for standardized and reliable attachment of pulling eyes to conductors, reducing damage and installation time by enabling manufacturer-prepared assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pulling heads are created ad hoc at the jobsite, then installation flexibility is maintained, but installation time and expense increase while requiring specialized tools and skills
Solution Approach 1:
The patent applies preliminary action by pre-assembling pulling heads at the factory before cabling is installed. The pulling heads are attached to conductors in a controlled manufacturing environment with all necessary tools and equipment available, eliminating the need for jobsite assembly. This pre-preparation significantly reduces installation time while maintaining adaptability through standardized designs that can accommodate different cabling configurations.
Solution Approach 2:
The patent introduces an intermediary element - a standardized pulling head assembly - that mediates between the cabling system and the pulling operation. These pre-fabricated assemblies serve as intermediate components that can be universally applied to different installation scenarios, providing both time efficiency and adaptability without requiring specialized jobsite assembly skills.
2Productivity
If force is applied to cabling improperly during pulling, then pulling operation can be completed, but conductor damage occurs leading to performance issues or safety hazards
Solution Approach 1:
The patent applies beforehand cushioning by incorporating force distribution elements and stress-absorbing features into the pulling head design. The pulling heads are engineered with components that distribute pulling forces evenly across multiple conductors and absorb shock loads, preventing any single conductor from experiencing excessive stress. This protective design ensures conductor integrity while enabling successful pulling operations through challenging conduit paths.
Solution Approach 2:
The patent utilizes parameter changes by designing pulling heads with adjustable and variable characteristics. The assemblies can accommodate different conductor sizes, materials, and configurations while maintaining optimal force distribution. By varying geometric parameters and material properties of the pulling head components, the system adapts to different cabling scenarios while consistently protecting conductor integrity during the pulling operation.
3Productivity
If pulling heads are pre-assembled at the factory, then installation time and costs are reduced, but adaptability to specific jobsite conditions may be limited
Solution Approach 1:
The patent applies universality by designing pulling heads with multi-functional capabilities that can accommodate various cabling types, conductor sizes, and installation scenarios. The standardized assemblies incorporate adjustable components and modular elements that maintain adaptability across different jobsite conditions while being pre-assembled at the factory. This universal design achieves both installation efficiency and jobsite versatility without requiring custom fabrication.
Data Source
AI summary
A workstation and method for the installation of a pulling head assembly onto one or more conductors of a cabling system are provided. The workstation incorporates one or more of: a conductor clamp that holds the conductors of the cabling system in place during the installation of the pulling head assembly; a cutting guide having indicia marks that indicate the lengths to which to cut the conductors in order to achieve a staggered pattern of pulling eyes attached to the conductors in the pulling head assembly; a stripping tool that is used to remove a portion of the insulation from the terminal end of each conductor so that the end of the conductor may be inserted into the pulling eye; and a crimping tool that is used to crimp the pulling eyes onto the terminal ends of each of the conductors.