UNIVERSAL GRIP SYSTEM

摘要

Provided are universal grip systems and method of using universal grip systems to test coupons. According to various examples, a universal grip system includes two grips and two guide posts for supporting the two grips and allowing the two grips to move with respect to each other. Each grip may include one or two wedges. The wedges are used to engage the coupons during testing and provide anti-buckling support and/or anti-rotation support. The wedges are slidably coupled within corresponding grips, which allows the universal grip system to engage and disengage the coupons by moving one grip with respect to another. The grips may be constructed from thermally neutral materials, such as invar 36. The grips may thermally isolated from the guide posts by, for example, a set of spacers disposed between the grips and linear bearing slidably coupled to the guide posts.

主权项

1. A universal grip system comprising:
a first grip comprising a first wedge,
the first wedge slidably supported in the first grip; a second grip comprising a second wedge;
the second wedge slidably supported in the second grip; a first guide post; and a second guide post,
wherein the first grip is slidably coupled to the first guide post and the second guide post,wherein the second grip is slidably coupled to the first guide post and the second guide post such that the first grip and the second grip are movable with respect to each other in a first sliding direction,wherein the first guide post and the second guide post prevent the first grip and the second grip from moving in any direction other than the first sliding direction.