Base Station Antenna Mounting With Rack-and-Pinion Tilt
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Solution Overview
Problem
Existing mounting systems for base station antennas are heavy, expensive, and difficult to tilt without multiple steps, with the load weight of the active antenna module being transferred entirely to the mounting kit, leading to inefficiencies in installation and adjustment.
Innovation Solution
A mounting system with a passive antenna and an active antenna module, featuring upper and lower radio mounting bracket assemblies with rack and pinion mechanisms, allowing for adjustable tilt angles through a brake slider to secure and pivot the antenna to a desired position, distributing the load weight effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional mounting system with multiple mounting brackets is used to secure the base station antenna, then the antenna can be mounted securely to the mounting structure, but the overall weight of the mounting system becomes too heavy and the cost becomes relatively expensive
Solution Approach 1:
The mounting system is divided into separate functional components: the pipe clamp assembly that attaches to the mounting structure, and the mounting brackets that attach to the antenna. This segmentation allows each component to be optimized independently and distributed strategically to support different portions of the load.
Solution Approach 2:
The radio mounting function is extracted from the traditional all-encompassing mounting bracket system. The radio mounting brackets are separate from the antenna mounting brackets, allowing the antenna to be secured directly to the mounting structure while the radio is mounted separately, reducing the overall system weight and complexity.
2Reliability
If a traditional mounting system with fixed positioning is used, then the antenna can be securely mounted, but it becomes difficult for a technician to tilt the antenna without having to perform multiple steps
Solution Approach 1:
The mounting system incorporates dynamic elements including a tilt adjustment mechanism with a pinion gear and rack that allows the antenna to be tilted to different angles. The system transitions from a completely fixed state to an adjustable state, enabling technicians to easily modify the tilt angle while maintaining secure mounting through locking mechanisms.
Solution Approach 2:
A tilt adjustment mechanism acts as an intermediary between the fixed mounting structure and the antenna. This mechanism includes a pinion gear that engages with a rack on the mounting bracket, providing controlled movement and positioning capability while maintaining secure attachment.
3Strength
If all the load weight of the radio is transferred to the mounting kit and antenna, then the mounting structure can support the load, but the installation complexity increases and the desired tilt angle cannot be easily achieved
Solution Approach 1:
The load bearing function is segmented across multiple components: the pipe clamp assembly attaches to the mounting structure to bear primary load, while separate mounting brackets attach the antenna and radio to the mounting structure. This distribution of load-bearing responsibilities reduces installation complexity and enables easier tilt adjustment.
Solution Approach 2:
The mounting brackets serve as intermediary elements between the radio/antenna and the mounting structure. These brackets provide attachment points and mechanical advantage, allowing the system to support the load while enabling tilt adjustment through the pinion-rack mechanism without increasing overall installation complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables easy and precise adjustment of tilt angles for base station antennas, reducing installation complexity and weight distribution issues while maintaining structural integrity and cost-effectiveness.
Implementation Method 1
a rack and pinion assembly (207) coupled to one of the sidewalls (202)
Implementation Method 2
a brake slider (230) configured to engage the pinion (206) to lock the rack and pinion assembly (207) in position
Data Source
AI summary
The present application is directed to a mounting system for a base station antenna. The system includes a passive antenna and an active antenna module and a mounting kit. The mounting kit includes an upper radio mounting bracket assembly and a lower radio mounting bracket assembly, and is configured to mount and secure an upper portion of the passive antenna to a mounting structure and mount and secure the active antenna module to the mounting structure behind the passive antenna. The system further includes a middle antenna mounting bracket assembly configured to pivotably mount a middle portion of the passive antenna to the mounting structure and a lower antenna mounting bracket assembly configured to slidably and/or pivotably mount a lower portion of the passive antenna to the mounting structure. The mounting system is configured to adjust the base station antenna downwardly or upwardly to a desired angle of tilt. Mounting kits and methods of operating same are also described herein.