Flexible suspension and force sensing device for loader
A flexible suspension and loader technology, applied in measuring devices, instruments, measuring instrument components, etc., can solve problems such as inconvenience in use, and achieve the effects of avoiding inertial force, convenient use and maintenance, and high force decomposition accuracy.
Active Publication Date: 2013-02-27
TSINGHUA UNIV
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Problems solved by technology
The disadvantage of the above method is that the force sensor moves with the output parts of the steering gear, and the power supply and signal output cables of the force sensor also follow the movement, which is inconvenient to use. Due to the quality of the force sensor itself, it will bring additional inertial force when acceleration occurs.
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[0023] The present invention is as figure 1 , figure 2 As shown, the force loader 11 is suspended on the support 21 and the brackets 22, 23, 24, 25, 26, 27 by the flexible links 31, 32, 41, 42, 51, 52, 61, 62. The force loaded by the steering gear is equal to the force received by the loader and is applied to the force sensitive element 71 and the force sensitive element 72 through the force measuring flexible link 81 and the flexible link 82. A strain gauge is attached to the force sensitive element 72 to measure the strain of the force sensitive element, and the force on each force sensitive element can be measured. The magnitude of the loaded force.
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The invention discloses a flexible suspension and force sensing device for a loader, belonging to the technical field of steering engine testing systems, precise machinery and the like. The device is characterized by comprising a front supporting device, a back supporting device, a force measuring flexible connecting rod and a force measuring sensitive element, wherein a front suspension device consists of two flexible connecting rods in the Y-axis direction and the Z-axis direction; one end of each flexible connecting rod is fixedly connected to a force loader, and the other end of each flexible connecting rod is fixedly connected to a supporting seat; the back supporting device consists of two flexible connecting rods in the Y-axis direction and the Z-axis direction; one section of each flexible connecting rod is fixedly connected to the force loader, and the other section of each flexible connecting rod is fixedly connected to the supporting seat; one section of the force measuring flexible connecting rod is fixedly connected to the loader, and the other section of the force measuring flexible connecting rod is fixedly connected to the force measuring sensitive element; a force measuring element is fixedly connected to the supporting seat; the external loading force of the loader is equal to force applied to the loader and is applied to the force measuring sensitive element through the force measuring flexible connecting rod; and the magnitude of the loading force of the loader can be measured by measuring the strain of the force measuring sensitive element.
Description
technical field [0001] The loader flexible suspension and force sensing device belong to the technical fields of a steering gear test system, precision machinery and the like. Background technique [0002] The steering gear test system usually consists of a load loader, a steering gear bracket, a load cell, and a test computer. Usually, one end of the steering gear to be tested is attached to the steering gear bracket, and the other end is connected to the loader through a load cell. The disadvantage of the above method is that the force sensor follows the movement of the steering gear output component, and the power supply and signal output cable of the force sensor also follow the movement, which is inconvenient to use. . SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a loader flexible suspension and force sensing device, which can save the force measuring sensor between the load loader and the steering gear in the steering gear tes...
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IPC IPC(8): G01D11/00G01L5/00
Inventor 朱纪洪顾伟薛晓翃
Owner TSINGHUA UNIV
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