Threaded Rod Screwing Sleeve on Movable Carriage to Cut Friction
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Solution Overview
Problem
Existing screwing-in systems for threaded rods experience high internal friction and heat generation, leading to potential failures and slowed processes due to the mechanics being overloaded during rotation within the tool.
Innovation Solution
A screwing-in system with a carriage-mounted drive sleeve that engages positively with the threaded rod's profiling, allowing for a translational movement on rails to minimize friction, converting rotational movement into translational movement using a drive machine, and featuring a clamping device to secure the threaded socket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the threaded rod is rotated through a form-fit connection inside a tool, then the threaded rod can be driven into the substrate, but high internal friction and heat generation occur, leading to potential failures and slowed processes
Solution Approach 1:
The drive sleeve is extracted from the stationary tool body and mounted on a movable carriage that travels along rails. This separates the rotational drive function from the translational insertion function, allowing the threaded rod to rotate with minimal friction inside the movable drive sleeve while the carriage handles the translational movement into the substrate.
Solution Approach 2:
The drive sleeve is mounted on a carriage that is movable relative to the substrate along rails, transforming the system from a static tool to a dynamic one. The carriage can move forward and backward, allowing the drive sleeve to engage and disengage from the threaded rod smoothly, reducing friction and heat generation during the screwing-in process.
2Reliability
If the drive sleeve is loaded gently to prevent failures, then the system reliability improves, but the screwing-in process slows down
Solution Approach 1:
The movable carriage allows the drive sleeve to be dynamically positioned and moved along rails, enabling smooth engagement and disengagement from the threaded rod. This dynamic movement reduces冲击 loads and friction, allowing the system to operate reliably at higher speeds without overloading the drive sleeve.
3Reliability
If a form-fit connection is used between the drive sleeve and threaded rod, then positive engagement is achieved, but wear and tear increases due to high friction
Solution Approach 1:
The drive sleeve mounted on a movable carriage can smoothly engage and disengage from the threaded rod by moving along rails. This dynamic engagement reduces continuous friction and wear, extending the service life of both the drive sleeve and the threaded rod while maintaining positive form-fit connection during the actual screwing operation.
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 system reduces wear and tear, increases assembly speed, and allows for deeper insertion of threaded rods with lower drive power, suitable for applications like temporary bridge bearings with high load ranges.
Implementation Method 1
a component with a thread, which converts the rotational movement of the drive sleeve into a translational movement of the threaded rod
Implementation Method 2
high internal friction inside the mold and the associated heat generation
Data Source
AI summary
A screwing-in system for inserting a threaded rod in the axial direction into a substrate, having a drive machine which rotationally drives a drive sleeve, it being possible to insert the threaded rod into the drive sleeve arranged on the drive machine, which drive sleeve can be connected to the threaded rod in a form-fitting manner and thus rotationally drives the threaded rod, wherein a component provided with an internal thread is fixed between the drive machine and the substrate, which component converts the rotational movement of the drive sleeve into a translational movement of the threaded rod, wherein the screwing-in machine is mounted on a carriage which is movable relative to the component.