Multifunction Laser Leveling Tool with Pivotable Pendulum
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Solution Overview
Problem
Conventional laser leveling tools are limited to generating only plumb and horizontal lines, failing to meet the requirements for oblique line generation and measurement, especially on irregular surfaces or at inaccessible heights, often necessitating multiple personnel and alternative tools like digital levels.
Innovation Solution
A multifunction laser leveling tool with a pivotable pendulum, universal joint, locking mechanism, angle sensing means, and display module, capable of emitting multiple laser planes and measuring oblique angles, facilitating the generation and measurement of oblique lines and surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional laser leveling tool is used, then plumb and horizontal lines can be generated, but oblique lines with certain slopes cannot be generated
Solution Approach 1:
The pendulum is made pivotable with respect to the housing around a first axis and a second axis perpendicular to the first axis, allowing dynamic adjustment between plumb, horizontal, and oblique orientations. This dynamic capability enables the laser beam emitter to generate different types of lines (plumb, horizontal, and oblique) by changing the pendulum's angular position, thereby resolving the contradiction between versatility and complexity.
2Ease of operation
If a digital leveler is used to generate oblique lines, then oblique lines can be generated, but more than one person is needed and the position requirement is challenging
Solution Approach 1:
The laser leveling tool is transformed into a multifunctional device that can perform both traditional leveling functions and oblique line generation. The angle sensing means and display module enable the tool to measure and control oblique angles, allowing a single operator to generate accurate oblique lines without needing additional personnel or complex positioning requirements.
3Measurement precision
If a digital leveler is used to measure slope, then slope measurement can be performed, but the measurement is limited by the length of the leveler
Solution Approach 1:
The mechanical limitation of the digital leveler's length is replaced by an optical-laser based measurement system. The angle sensing means (accelerometers or bubble vials) combined with the laser beam emitter allow slope measurement over extended distances without being constrained by the physical length of the measuring device, thereby resolving the contradiction between measurement precision and measurement range.
4Adaptability or versatility
If angle sensing means and display module are added to the laser leveling tool, then oblique angle measurement and display are enabled, but device complexity increases
Solution Approach 1:
The angle sensing means and display module are integrated into the existing laser leveling tool structure. The angle sensing means is attached to the pendulum, and the display module is attached to the housing, merging multiple functions (leveling, oblique line generation, and angle measurement) into a single unified device. This integration resolves the contradiction by combining components rather than adding separate standalone systems.
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
Enables the generation of horizontal and oblique laser lines, as well as accurate measurement and display of oblique angles, enhancing operational efficiency and reducing the need for multiple personnel in construction and remodeling tasks.
Implementation Method 1
a pendulum universally suspended on the frame and defining a vertical plumb line
Implementation Method 2
at least one laser beam emitter mounted on the pendulum for emitting a laser plane
Data Source
AI summary
A multifunction laser leveling tool (1) is provided. The multifunction laser leveling tool (1) comprises: a housing (2); a pendulum (28) supported by the housing (2) via a universal joint so that the pendulum (28) is pivotable with respect to the housing (2) around a first axis (24) and a second axis (26) perpendicular to the first axis (24); a locking means (4) which is able to fixedly lock the pendulum (28) to the housing (2) and to release the pendulum (28) therefrom, wherein when the pendulum (28) is released, the pendulum (28) is in a plumb orientation and the first and second axes (24,26) lie in a horizontal plane; a first laser beam emitter (36) attached to the pendulum (28) for emitting a first laser plane; an angle sensing means (44) attached to the pendulum (28) for measuring the orientation of the pendulum (28); a display module having two sections (6,8) attached to the housing (2) for displaying the measured orientation of the pendulum (28).