CYLINDER HEAD LEAK TESTING DEVICE Russian patent published in 2019 - IPC G01M3/02 

FIELD: test equipment.

SUBSTANCE: invention relates to the field of leak testing of devices and can be used for leak testing of cylinder block head, cylinder block, crankcase of internal combustion engine or similar article having at least one tested cavity. Essence: machine for testing said devices for sealing comprises at least one sealing plate (14A) having a sealing device for an article connecting region; machine bed (20), having at least one product holding device (22A, 22B); an installation device having first drive (26) for connecting the test article and sealing plate (14A) to a test position in which the article by the attachment area tightly adjoins the seal of the sealing plate; device for replacement of sealing plates (14A), having retaining device (32) movable on machine bed (20) and corresponding second drive (36-1; 36-2) for replacement of sealing plates, in particular, for transfer of attachment with sealing plate from waiting position into working position corresponding to test position, and back. At that, retaining device (32) contains at least two fixtures (34-1, 34-3, 34-4) for each sealing plate and common bearing part (38), which is installed with possibility of rotation on machine bed (20) and on which comprises at least two fixtures (34-1, 34-3, 34-4). At the same time on the machine bed there is rotary device (50) comprising at least one holding device (22A, 22B) for the article and third drive (56) for moving the article from the loading position for loading and unloading the machine for leak testing into the initial position before test position or, respectively, into test position and back.

EFFECT: leak testing of devices having at least one test cavity.

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