Device for detecting pulling-out force of balance weight of automobile wheels
A technology of detection device and balance weight, which is applied to the measurement of torque/torsion force during automobile tire testing and tightening. It can solve the problems of poor operation repeatability, large measurement error, and inability to accurately grasp the pull-off direction and apply the pull-off force smoothly. Achieve the effect of good operation repeatability and small data difference
Active Publication Date: 2011-09-28
CITIC DICASTAL
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AI Technical Summary
Problems solved by technology
This method has three main disadvantages: 1. The measurement error is large
Because the pull-off direction and the smooth application of the pull-off force cannot be accurately grasped during manual pull-off, the accuracy of the pull-off force cannot be guaranteed
2. High risk
The moment the balance weight is pulled off, the balance weight will fly out towards the pulling operator, which is easy to hurt people
3. Poor operation repeatability
4. There is currently no method to measure the slippage of the counterweight position
Method used
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Embodiment Construction
[0012] figure 1 Shown is that the wheel is equipped with a balance weight and a tension steel wire, and is in the state of being tested for the pull-off force of the balance weight.
[0013] exist figure 2 In the example shown, the wheel 8 equipped with balance weights and tension steel wires is placed on a movable platform 10, and the wheel is fixed by a fixing screw 9, a tapered plug 7 and a fastening nut 6. Adjust the mobile platform 10 so that the position of the assembled balance weight is located directly below the dynamometer 4, and then lock the platform. Hook the iron hook of the dynamometer 4 to the tension steel wire 5, and slowly tighten the adjustment nut 3 to move the threaded pull rod 2 upward to generate tension. Record the peak tensile force with a force gauge 4.
[0014] exist image 3 In the example shown, the wheel 8 equipped with balance weights and tension steel wires is placed on a movable platform 10, and the wheel is fixed by a fixing screw 9, a t...
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The invention discloses a device for detecting the pulling-out force of a balance weight of automobile wheels. The device consists of a portal frame and a movable platform. The transverse beam and the side beam of the portal frame are respectively provided with a groove. After being fixed on the movable platform, the wheels are connected to a dynamometer by a tension steel wire clamped by the balance weight, and the other end of the dynamometer is connected with a thread tension rod. The thread tension rod can obtain a tensile force through adjusting a nut handle by screwing. The device mainly plays the role of detecting the strength of the tensile force needed by pulling out the balance weight from wheels. The device can detect the tensile forces for pulling out the balance weight both vertically and horizontally.
Description
technical field [0001] The invention relates to a device for detecting the quality of an automobile wheel, in particular to a detection device for detecting the magnitude of the pulling force required for pulling off and slipping a clip-type balance weight from a wheel. Background technique [0002] At present, there is no special automobile wheel balance weight pull-off force measuring device known in China. In the past, when measuring the pull-off force of the balance weight, the pull-off force of the balance weight is generally directly pulled by the manual tension gauge until it falls off, and the peak value recorded by the tension gauge is the pull-off force of the balance weight. This method mainly has three disadvantages: 1. The measurement error is large. Because the pull-off direction and the smooth application of the pull-off force cannot be accurately grasped during manual pull-off, the accuracy of the pull-off force cannot be guaranteed. 2. High risk. The mome...
Claims
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IPC IPC(8): G01L5/24G01M17/02
Inventor 尹志高李世德
Owner CITIC DICASTAL