Outer diameter measuring equipment for motor end cover

Abstract

The invention provides outer diameter measuring equipment for a motor end cover, and belongs to the technical field of fans. The technical problem that existing outer diameter measuring equipment is poor in measuring precision of a specific motor end cover is solved. Two tool baffles of the outer diameter measuring equipment for the motor end cover are arranged in parallel and fixedly connected with the left side and the right side of a tool bottom plate respectively, an end cover baffle is arranged at the rear end of the tool bottom plate, a measuring auxiliary head is arranged in the middle of one tool baffle, and a dial indicator is arranged in the middle of the other tool baffle. The central axis of the auxiliary measuring head and the central axis of the measuring head of the dial indicator are located on the same straight line. The distance between the central axis of the auxiliary measuring head and the end cover baffle is equal to the outer radius of the second connecting part. Due to the fact that the dial indicator is adopted, the contact of the measuring head of the dial indicator is located on the central axis all the time in the stretching and retracting process, deflection is avoided, high precision and accuracy are achieved, and the measuring head of the dial indicator is smaller and can better adapt to the second connecting part with the small thickness.

Description

technical field [0001] The invention belongs to the technical field of fans, in particular to a device for measuring the outer diameter of a motor end cover. Background technique [0002] The fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. Fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induction of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances ; Grain drying and selection, wind tunnel wind source and inflation and propulsion of hovercraft, etc. [0003] In general, the motor of the fan is directly connected to the fan blades, but in industrial equipment such as cooling towers, boilers and industrial furnaces, it is sometimes necessary to add a gearbox between the motor and the fan blades to meet different operating conditions. Different re...

AI Technical Summary

Problems solved by technology

[0006] Due to the factors mentioned above, the measurement data is very inaccurate, we can not get a data close to the objective value, and the quality control fails due to inaccurate measurement

[0007] The diameter of the second connecting portion is extremely important for the entire motor, and is the key to whether the motor can cooperate with the gearbox. If the error is large, it will make it difficult to assemble the gearbox and the motor, resulting in poor assembly quality. The assembly efficiency is reduced; and the output of the motor is a gear, and it is a first-stage transmission part. The gear that is paired with this gear, the center distance control between the two of them is affected by this size

If the center distance control is not ideal, it will cause resonance and noise during the first-stage gear transmission, and seriously affect the service life of the motor

[0008] As another solution, it is also possible to measure the size of the motor end cover on the high-precision three-coordinates. However, for an enterprise that produces more than 3,000 motors a day, it is very expensive to send this product to the testing room for testing. less efficient

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