Preload device of a force measurement device

A technology of force measuring device and force sensor, which is applied in the direction of measuring device, force sensor in the hole of the force-bearing structure, and the measurement of the force of the property of the piezoelectric device, which can solve the problems of cumbersome fixing and achieve the prevention of interference. clamping effect

Inactive Publication Date: 2016-11-16
KISTLER HLDG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The pretensioning devices or force-measuring devices known from the prior art, which include pretensioning devices with integrated force sensors, are composed of several parts and can only be screwed in cumbersomely with the aid of a screwing tool. Screwed and pre-tightened between differently shaped recessed walls

Method used

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  • Preload device of a force measurement device
  • Preload device of a force measurement device
  • Preload device of a force measurement device

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Embodiment Construction

[0017] exist figure 1 A force measuring device 0 is shown in , which comprises a pretensioning device 1 and a force sensor 2 . In this case, the pretensioning device 1 is produced in one piece and inserted into the recess 4 between the two machine components 5 , 5 ′, where it is releasably clamped. The cutout 4 is formed by a planar cutout wall 40 , where the distance of the pretensioning device 1 in the direction of force transmission, characterized by a force F acting perpendicular to the longitudinal direction L, corresponds to its installation in elastic tension. State height H. The pretensioning of the pretensioning device 1 is structurally limited, since the pretensioning device 1 is elastically bendable within a defined range and can thus be introduced into the cutout 4 and can be positioned there relative to the cutout wall. 40 is held clampingly. The force F acting on the machine component 5 , 5 ′ transversely to the longitudinal axis L and thus in the clamping dir...

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PUM

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Abstract

The invention relates to a preload device (1) having a receiving pocket (11) for receiving a force sensor, which preload device can be arranged in a recess in a machine part or between multiple machine parts or in a drum, and which preload device can flexibly and more simply be installed in recesses of different shapes and easily detachably fastened therein. This is achieved in that the preload device (1) has a tool engagement section (12) which is spaced apart from the receiving pocket (11) in the direction of the longitudinal axis (L), and at least one elastically flexible section (101) is non-detachably arranged between the receiving pocket (11) and at least one of the force introduction plates (100), wherein, by means of elastic bending of the at least one elastically flexible section (101), the height of a relaxed state of the preload device (1) can be reduced to a height in an inserted state through the application of forces to at least one of the force introduction plates (100, 100') and to the tool engagement section (12) in respectively different directions parallel to the longitudinal axis (L).

Description

technical field [0001] The invention relates to a pretensioning device, which has a receiving recess for accommodating a force sensor, the pretensioning device comprising at least two force transmission plates arranged opposite each other in a direction perpendicular to the longitudinal axis, said force transmission plates having a mutual Force-transmitting surface facing away; the invention also relates to a force-measuring device and a device for introducing the force-measuring device into a cavity in a machine component, or between several machine components, or in a roller. method. Background technique [0002] Force-measuring devices have been known for a long time in various embodiments, including pretensioning devices for clamping force sensors. Such a force measuring device can measure dynamic and quasi-static forces applied in at least one spatial direction. Preference is given to using piezoelectric force sensors, in most cases so-called piezoelectric measuring w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00
CPCG01L5/0004G01L1/16G01L5/0028
Inventor 罗尔夫·蒂尔
Owner KISTLER HLDG AG
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