CN2519039Y - Spring energy-storage hydraulic mechanism - Google Patents

Abstract

The utility model relates to a spring energy-storage hydraulic mechanism which is characterized in that the utility model comprises an electric machine, an oil pump and an oil tank, in addition, a working cylinder body and an energy stored cylinder body are made as a whole, and arranged at the cavity of the butterfly spring sheet; a two-stage valve is arranged at the bottom of the working cylinder body, and a solenoid valve and a one-stage valve are arranged at the flank of the two-stage valve, and arranged in the oil tank; the oil pump and the electric machine are respectively arranged in or outside the oil tank, making the high pressure oil system is totally arranged in the oil tank. The utility model changes the prior art outer sealing into the inner sealing, having good sealing effect, and avoiding the phenomenon of oil leakage; and the oil penetration at the energy storage, working cylinder piston and sealing opening is capable of being reclaimed to the oil tank by the low pressure oil hole which is arranged at the bottom of the working cylinder, and the oil is capable of being reused. The utility model has the advantages of compact structure, small volume, big energy and convenient use and maintenance.

Description

The spring energy-storage hydraulic mechanism

Technical field: the utility model relates to a kind of spring energy-storage hydraulic mechanism that is applicable to the actuating of power transmission and transformation line switch.

Background technique: power transmission and transformation line switch operation mechanism is generally hydraulic mechanism at present, by the nitrogen energy storage, though hydraulic mechanism has branch, closing time is short, stable performance, advantages such as operating work is big, but still exist the Lou problem of nitrogen, and pressure following temperature and change inadequately stablely, sealing configuration is to external sealed in addition, the easily external seepage of the oil of pipeline the inside, shortcomings such as reliability is relatively poor, also has pipeline more, and volume is bigger.

Summary of the invention: the purpose of this utility model is the deficiency at above-mentioned technology, and provides a kind of compact structure to people, and is oil-tight, and pressure spring energy-storage hydraulic mechanism not influenced by ambient temperature.For achieving the above object, the utility model adopts following technological scheme: the spring energy-storage hydraulic mechanism, comprise motor (12), oil pump (29) and fuel tank (30), support (26) is fixed on the flange (5) by bolt (17), one end of connecting rod (13) is connected with joint (27), and the other end is connected with connecting rod (14), and connecting rod (14) links to each other with auxiliary switch (15), auxiliary switch (15) is contained on the support (16), and the upper end of bolt guide rod (1) is connected with joint (27) by link; The lower end penetrates top board (18) and is screwed on the flange (5), pull bar (19) is screwed in earlier on the pressing plate (9), put into spring sheet then, put flange (5) and top board (18) again, the nut (3) of screwing at last, the energy storage piston (6) that will have seal ring (8), slave cylinder piston (2) working cylinder (21) of packing into, and working cylinder (21) penetrated in the cavity of butterfly reed (20), with bolt that flange (5) and working cylinder (21) is fixing, energy storage piston (6) passes flange (5) and withstands on the top board (18), tank cover (10) is fixed on the middle part of working cylinder (21) by bolt (11), secondary valve (32) is fixed on the lower end of working cylinder (21) by bolt (31), a solenoid valve (24) and a step valve (33) are fixed on the side of secondary valve (32) by bolt (25), and motor (12) is installed in fuel tank (30) outside; Installed inside oil pump (29), and fix with flange (28), (37) by spiral shell inspection (39), (35), (38), (41) respectively, oil pump (29) is provided with bearing (36) and seal ring (40) with the axle head of motor (12), and fuel tank (30) is fixed on the tank cover (10), pressure switch support (4) is provided with position limit switch (7), be connected with pressing plate (9), the lower end is fixed on the tank cover (10) by link, and hand push button (22) is fixed on the tank cover (10) by bolt (23).

Main feature of the present utility model is: 1, the hydraulic pressure energy storage adopts the mode of structure of butterfly reed energy storage, and divide-shut brake is by the oil circuit operation.2, clutch release slave cylinder, energy storage cylinder are one, are arranged in the inner chamber of butterfly sheet, and volume is little rationally distributed.3, the I and II valve is assemblied in the bottom of clutch release slave cylinder, and place fuel tank, oil pump and motor are located in the fuel tank respectively and the fuel tank outside, do like this, make the high low pressure oil system all be located among the fuel tank, if any the high pressure oil seepage, also will be returned high-pressure system, the phenomenon of the leakage of oil of thoroughly having avoided exosmosing by oil pump.4, the oil impregnate of energy storage, slave cylinder piston, sealed mouth can be recycled in the fuel tank by the low pressure oilhole of working cylinder, and oil can recycle.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the enlarged diagram of fuel tank part among Fig. 1.

With reference to Fig. 1,2, the spring energy-storage hydraulic mechanism, comprise motor 12, oil pump 29 and fuel tank 30, support 26 is fixed on the flange 5 by bolt 17, one end of connecting rod 13 is connected with joint 27, and the other end is connected with connecting rod 14, and connecting rod 14 links to each other with auxiliary switch 15, auxiliary switch 15 is contained on the support 16, and the upper end of bolt guide rod 1 is connected with joint 27 by link; The lower end penetrates top board 18 and is screwed on the flange 5, pull bar 19 is screwed in earlier on the pressing plate 9, put into spring sheet then, put flange 5 and top board 18 again, the nut 3 of screwing at last, the energy storage piston 6 that will have seal ring 8, slave cylinder piston 2 working cylinder 21 of packing into, and working cylinder 21 is penetrated in the cavity of butterfly reed 20, with bolt that flange 5 is fixing with working cylinder 21, energy storage piston 6 passes flange 5 and withstands on the top board 18, tank cover 10 is fixed on the middle part of working cylinder 21 by bolt 11, secondary valve 32 is fixed on the lower end of working cylinder 21 by bolt 31, a solenoid valve 24 and a step valve 33 are fixed on the side of secondary valve 32 by bolt 25,, motor 12 is installed in fuel tank 30 outsides; Installed inside oil pump 29, and it is fixing by bolt 39,35,38,41 and flange 28,37 respectively, oil pump 29 is provided with bearing 36 and seal ring 40 with the axle head of motor 12, and fuel tank 30 is fixed on the tank cover 10, pressure switch support 4 is provided with position limit switch 7, be connected with pressing plate 9, the lower end is fixed on the tank cover 10 by link, and hand push button 22 is fixed on the tank cover 10 by bolt 23.

Working principle: 1, energy storage: starting electrical machinery 12, oil pump 29 work enter the hydraulic oil in the fuel tank 30 in the working cylinder energy storage chamber by pipeline, promoting energy storage piston 6 moves upward, energy storage top board 18 is moved upward, and drive pull bar 19, pressing plate 9 move upward, compression butterfly reed 20 energy storages.2, sub-switching operation: switching winding is subjected to electricity, and a step valve guidance tape moves secondary valve, and secondary valve is put the high pressure oil of slave cylinder piston bottom to fuel tank, and slave cylinder piston moves downward.3, closing operation: closing coil is subjected to electricity, and a step valve guidance tape moves secondary valve, and the slave cylinder piston bottom is charged into high pressure oil, and slave cylinder piston moves upward.

Claims (1)

1, a kind of spring energy-storage hydraulic mechanism, comprise motor (12), oil pump (29) and fuel tank (30), support (26) is fixed on the flange (5) by bolt (17), one end of connecting rod (13) is connected with joint (27), the other end is connected with connecting rod (14), and connecting rod (14) links to each other with auxiliary switch (15), and auxiliary switch (15) is contained on the support (16),, it is characterized in that: the upper end of bolt guide rod (1) is connected with joint (27) by link; The lower end penetrates top board (18) and is screwed on the flange (5), pull bar (19) is screwed in earlier on the pressing plate (9), put into spring sheet then, put flange (5) and top board (18) again, the nut (3) of screwing at last, the energy storage piston (6) that will have seal ring (8), slave cylinder piston (2) working cylinder (21) of packing into, and working cylinder (21) penetrated in the cavity of butterfly reed (20), with bolt with flange (5), working cylinder (21) is fixing, energy storage piston (6) passes flange (5) and withstands on the top board (18), tank cover (10) is fixed on the middle part of working cylinder (21) by bolt (11), secondary valve (32) is fixed on the lower end of working cylinder (21) by bolt (31), a solenoid valve (24) and a step valve (33) are fixed on the side of secondary valve (32) by bolt (25), and motor (12) is installed in fuel tank (30) outside; Installed inside oil pump (29), and fix with flange (28), (37) by bolt (39), (35), (38), (41) respectively, oil pump (29) is provided with bearing (36) and seal ring (40) with the axle head of motor (12), and fuel tank (30) is fixed on the tank cover (10).

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