Nail-pull nail-holding ability test device

The present invention provides a nail-pull nail-holding ability test device. With the device adopted, a nail can be conveniently driven into a test piece at an arbitrarily angle, the test piece into which the nail is driven at an arbitrarily angle can be positioned, so that the nail-holding ability of the test piece can be tested. The nail-pull nail-holding ability test device comprises a base; the base is provided with two opposite supporting plates; two coaxial discs are rotationally arranged on the two supporting plates; an upper abutting and supporting plate, a lower abutting and supporting plate and a side abutting and supporting plate which is located at one side of the upper abutting and supporting plate and the lower abutting and supporting plate are arranged between the two discs; a through slot through which the nail can pass is formed in the upper abutting and supporting plate; trapezoidal slots which are concentric with the discs are formed at one supporting plate; a plurality of trapezoidal bolts