Detection equipment of air tightness of shell

Abstract

The invention relates to detection equipment of air tightness of a shell. The invention adopts a technical scheme that: the cylinder body of a lower oil cylinder is fixed on a bottom frame of a steel framework; a piston rod of the lower oil cylinder is upwards connected to a water tank; a lower guide component is arranged between the water tank and the bottom frame of the steel framework; lifting rollers are arranged on two sides of the water tank respectively and are embedded in channel steels of upright posts of the steel framework; a pressure-bearing hanging table is suspended on the steel framework; a moving table mechanism is born on the pressure-bearing hanging table through a roller support arranged on a bottom lifting part; an elastic pressing frame mechanism is arranged over the moving table mechanism; the cylinder body of an upper oil cylinder is fixed on a top frame of the steel framework; a piston rod of the upper oil cylinder is downwards connected to the elastic pressing frame mechanism; an upper guide component is arranged between the elastic pressing frame mechanism and the top frame of the steel framework; a push oil cylinder is horizontally arranged; the cylinder body of the push oil cylinder is fixed on the steel framework; and the piston rod of the push oil cylinder is connected with the moving table mechanism. The detection equipment of the invention has the advantages of craft and reasonable structure, strong reliability, cost saving, good university and good sealing effect.

Description

technical field [0001] The invention belongs to the technical field of detection equipment, and in particular relates to a device for detecting the airtightness of a casing. Background technique [0002] With the rapid development of the economy, industries such as general machinery, automobiles, and excavation are also increasingly prosperous. All these industries require various power equipment such as diesel engines and gasoline engines, which lead to a substantial increase in the demand for diesel engines and gasoline engines. As a necessary part, the housing of diesel engine and gasoline engine has entered the era of mass production. The casing of the engine is usually formed by casting, and defects such as air shrinkage cavities and cracks sometimes occur during the casting process. These defects easily lead to problems such as oil leakage and oil leakage, seriously pollute the working environment of the complete machine, and cause huge waste. At the same time, there...

AI Technical Summary

Problems solved by technology

[0003] The current air tightness test is usually carried out manually, that is, immersing the closed engine casing in water, filling the engine casing with pressurized air in the water, and observing whether the engine casing is leaking. This operation is labor-intensive and the work efficiency is high. Low, unstable detection quality

There are also some automated air tightness testing equipment, but their versatility is poor. One testing equipment is limited to the detection of one or several shells, which increases the production cost of multi-variety shell manufacturers.

In addition, the existing detection equipment uses rigid seals when multi-point sealing, and cannot effectively seal multiple points at the same time.

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