Strength detection mechanism for spiral-wound membrane

The utility model discloses a roll-type membrane strength detection mechanism, including test box, end portion fixing mechanism and stretching mechanism, the number of the end portion fixing mechanism is two, the end portion fixing mechanism is respectively arranged at the both ends of test box, roll-type membrane cloth passes through the test box, and both ends are fixed through the end portion fixing mechanism, the stretching mechanism includes a plurality of stretching rollers, and the stretching rollers are fixed through the end portion fixing mechanism. The multiple stretching rollers are distributed on the upper side and the lower side of film cloth of the roll type film in a staggered mode, the stretching rollers are arranged in the testing box in a sliding mode, a driving device used for driving the stretching rollers to move up and down is arranged on the side wall of the testing box, and the driving device drives the stretching rollers below the film cloth to move upwards and drives the stretching r