Hydraulic Adjustable Chock for Heavy Machine Leveling
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Solution Overview
Problem
Conventional height-adjustable chocks for anchoring and leveling heavy machines face difficulties in manual adjustment, especially when dealing with large loads, as it becomes strenuous and inefficient.
Innovation Solution
The chock employs a hydraulic system with a center element axially translational relative to the base element, utilizing a sealed chamber filled with hydraulic fluid to adjust height, combined with a mechanical stop for limiting maximum adjustment and securing the position, allowing for easier and safer leveling and anchoring of heavy machinery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of the center element is used, then the device structure remains simple, but the ease of operation deteriorates under heavy loads
Solution Approach 1:
The patent introduces a hydraulic system where hydraulic fluid is injected into a chamber between the base element and center element. The hydraulic pressure generated by the fluid forces the center element to translate axially relative to the base element, enabling easy height adjustment even under heavy machine loads without requiring manual strenuous effort.
2Adaptability or versatility
If the center element is made axially movable for height adjustment, then the adaptability improves, but the stability deteriorates during operation
Solution Approach 1:
The system transitions from a static fixed-height structure to a dynamic adjustable-height structure. The center element can move axially relative to the base element during the adjustment phase, allowing height adaptation. Once the desired height is achieved, the adjustment mechanism is locked, converting the dynamic structure back to a stable static configuration for operational use.
Solution Approach 2:
The hydraulic fluid acts as an intermediary medium that enables controlled axial translation of the center element. The fluid pressure provides a controllable force that moves the center element to the desired position, after which the system can be locked in place, ensuring both adjustability and operational stability.
3Reliability
If a mechanical stop is added to limit axial translation, then the reliability improves, but the device complexity increases
Solution Approach 1:
The mechanical stop is pre-installed in the base element to define the maximum axial translation distance of the center element. This prevents over-adjustment and ensures the center element cannot move beyond a safe, predetermined limit, providing inherent safety without requiring complex control systems or sensors.
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
This solution enables efficient and reliable height adjustment and anchoring of heavy machines, accommodating angular misalignments and ensuring secure mounting, even under heavy loads, by leveraging hydraulic pressure for ease of use and mechanical stops for safety.
Implementation Method 1
filling the chamber with hydraulic fluid causes an axial translation of the center element relative to the base element
Data Source
AI summary
An adjustable chock for levelling and anchoring a machine to a foundation. The chock comprises a base element, a center element and a spherical washer, each is rotationally symmetric about a center axis. The center element is axially translational relative to the base element. The base element or the center element includes a mating surface for receiving the spherical washer. The chock has a center through hole for receiving an anchor bolt. The base element comprises an hydraulic connection point and a channel for hydraulic fluid. The channel is in connection with a chamber enclosed between surfaces of the center element and the base element, wherein in use, filling the chamber with hydraulic fluid exerts an axial pressure on the center element, causing an axial translation of the center element relative to the base element.