AUTOCOLLIMATOR FOR MEASURING ANGLE OF TORQUE Russian patent published in 2010 - IPC G01B11/26 G02B27/30 

FIELD: measurement equipment.

SUBSTANCE: invention refers to measurement equipment and can be used for enlarging a wide range of engineering problems, such as adjustment of optical-electronic systems, assembly of large-sized constructions, and determination of shaft stiffness parametres, etc. Autocollimator meant for measuring the angle of torque includes the following which is located on optical axis: lighter from light sources and capacitors, which are made in the form of low-frequency mark raster patterns, beam divider dividing light beam into illuminating and measuring channels, objective, photoreceiving device, reflector in the form of a block of prisms AP-90 and computing unit. At that, marks and photoreceiving device are installed in focal plane of the objective. Each light source of lighter is made in the form of two radiation sources of various spectral range λ₁, λ₂, the optical axes of which are aligned, and the objective is achromatised on wave lengths λ₁, λ₂. In addition, to the device there introduced is information read-out control unit on various wave lengths, which is connected to lighter and photoreceiving device, and the latter is made in the form of two matrixes delivered to the measuring base.

EFFECT: providing reliable and easy operation in field conditions.

2 dwg, 1 ex