Leakage testing equipment for submersible pumps

Abstract

The invention belongs to the technical field of a detection device, and relates to a sealing property detection device for a submersible pump. A pressure tank body and a guide bar at the outside of the tank body are fixed on a pedestal of a box; a tank cover of the pressure tank is slidingly arranged on the guide bar which is arranged between a top board and the tank body, and can be lifted and dropped driven by a cylinder; the tank body and the tank cover are locked together through an automatic locking device; the lower side of a vertical mounting board fixed on the bottom surface of the tank cover is provided with a supporting plate, a submersible pump positioning clamp and a bulkhead; the bulkhead is driven by the cylinder to move in the lateral direction and is used for blocking an oil chamber detection joint of the submersible pump; the middle part of the tank cover is provided with a bulkhead which is driven by the cylinder to move up and down and is used for blocking a motor chamber detection joint for the submersible pump; and the side wall of the tank cover is provided with a cable slot and a cable sealing locking block. The sealing property detection device for a submersible pump has the advantages of being accurate in the control motion, being high in detection precision, having more detection items, and being suitable for high accuracy detection of the submersible pump.

Description

technical field [0001] The invention belongs to the technical field of detection equipment, in particular to a sealing performance detection equipment of a submersible pump. Background technique [0002] As the name suggests, a submersible pump is a water pump that submerges into the water when it is working. It has very strict requirements on the airtightness of the water pump. At present, there are three common detection methods: one is the water bath method, the other is the differential pressure detection method, and the third is the rare gas detection method. three kinds. [0003] The detection method of the water bath method is to fill the inside of the water pump with a certain pressure of gas, sink the water pump into the water, and observe whether there is bubble phenomenon on the surface of the water pump through the eyes of the operator, so as to judge the tightness of the water pump; this detection method has the following points Serious deficiencies; first, the...

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Problems solved by technology

[0003] The detection method of the water bath method is to fill the inside of the water pump with a certain pressure of gas, sink the water pump into the water, and observe whether there is bubble phenomenon on the surface of the water pump through the eyes of the operator, so as to judge the tightness of the water pump; this detection method has the following points Serious deficiencies; first, the test data of the water pump cannot be quantified, and human factors cannot be avoided; second, the test method deviates from the actual working conditions of the water pump, and this test method cannot ensure that the water pump sealing problem is completely eliminated; The air hole is sealed, and the water pump is easy to be damaged when submerged in water; the fourth is that the water bath method affects the subsequent processes, such as: the production line is wet, the drying energy consumption is large, and the quality of the painting is affected; the fifth is that the automatic inspection and transformation cannot be completed

[0004] Rare gas detection method has the highest detection accuracy, rare gas recovery is more difficult, and the later stage costs are higher;

[0005] Differential pressure detection method: There are direct pressure detection and differential pressure detection, because the water pump has the problem of cable leakage, and the leakage is inconsistent, it cannot be directly detected by this method

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