The startup of high pressure piston formula accumulator piston and running resistance proving installation
Technical field
The utility model relates to high pressure piston formula accumulator, relates in particular to a kind of startup and running resistance proving installation of high pressure piston formula accumulator piston.
Background technology
The piston seal of high pressure piston formula accumulator moves in cylinder body; Resistance between cylinder body and the piston seal is excessive; Will cause the wearing and tearing aggravation, finally influence serviceable life, the domestic device of piston starting resistance and running resistance of not testing at present; Thereby cause the life-span of domestic piston accumulator shorter, non-maintaining rate is lower.
The utility model content
The purpose of the utility model provides a kind of startup and running resistance proving installation of high pressure piston formula accumulator piston, startup and the running resistance that can test piston, the serviceable life of jigger lifting piston formula accumulator product.
The utility model adopts following technical proposals: a kind of startup of high pressure piston formula accumulator piston and running resistance proving installation; Comprise device for pressure measurement, two cylinders; Two cylinders are connected with first Pneumatic controller through tracheae respectively; Two cylinders are connected with the two ends of accumulator through two connectednesses respectively, and two connectednesses also are connected with second Pneumatic controller through tracheae respectively, and device for pressure measurement is used for being arranged on the connectedness.
Described device for pressure measurement comprises pressure transducer, signal processing circuit and CPU; The signal output part of pressure transducer is connected with the signal input part of CPU through signal processing circuit, and the signal output part of CPU is connected with display unit.
Described device for pressure measurement and two cylinders are arranged on the support.
The startup and the running resistance proving installation of the utility model high pressure piston formula accumulator piston; Through test to piston startup and running resistance; Can detect 0.001Mpa, can prolong the mission life of accumulator, and can improve the synchronism of two accumulator work of 550kV product.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1; A kind of startup of high pressure piston formula accumulator piston and running resistance proving installation; Comprise device for pressure measurement, two cylinders 11,12, support 7; Two cylinders 11,12 are connected with first Pneumatic controller 5 through tracheae 81,84 respectively; Two cylinders 11,12 are connected with the two ends of accumulator 6 through connectedness 91,92 respectively, and connectedness 91,92 also is connected with second Pneumatic controller 4 through tracheae 82,83 respectively, and wherein connectedness 91 is that accumulator 6, cylinder 11, tracheae 82 are communicated with; Described device for pressure measurement comprises pressure transducer 21,22, signal processing circuit and CPU; The signal output part of pressure transducer 21,22 is connected with the signal input part of CPU through signal processing circuit; Signal processing circuit is that the output conversion of signals with pressure transducer becomes digital signal to flow to CPU; The signal output part of CPU is connected with display unit 3, and wherein pressure transducer 21,22 is separately positioned on the connectedness 91,92.
The utility model in use; Earlier accumulator 6 is fixed on the support 7; Two ends clamp with cylinder 11,12, are connected with connectedness 91,92 between cylinder 11,12 and the accumulator, and Pneumatic controller 4,5 is controlled an end air inlet of accumulators 6; The other end connects atmosphere, and the cell pressure that pressure transducer 21,22 is measured when the piston setting in motion is starting resistance; During piston motion; The cell pressure value that pressure transducer 21,22 is measured is a running resistance; The force value that pressure transducer 21,22 is measured is input to CPU through signal processing circuit, and CPU shows force value, is convenient to check through display unit 3.