CN212990981U - Electric switching-on and switching-off operating mechanism of hydraulic vacuum circuit breaker - Google Patents
Electric switching-on and switching-off operating mechanism of hydraulic vacuum circuit breaker Download PDFInfo
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- CN212990981U CN212990981U CN202022069910.9U CN202022069910U CN212990981U CN 212990981 U CN212990981 U CN 212990981U CN 202022069910 U CN202022069910 U CN 202022069910U CN 212990981 U CN212990981 U CN 212990981U
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Abstract
The utility model discloses an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker in circuit breaker technical field, include: a hydraulic oil tank assembly; one end of the first oil pumping assembly is mounted at the top of the right side of the hydraulic oil tank assembly; the bottom of the left side of the telescopic assembly is connected with the other end of the first oil pumping assembly; one end of the first oil return assembly is connected with the bottom of the right side of the hydraulic oil tank assembly; one end of the second oil pumping assembly is connected with the left side of the top of the hydraulic oil tank assembly; a second oil return assembly; divide-shut brake subassembly, divide-shut brake subassembly is installed on the flexible part in top of flexible subassembly, the utility model discloses utilize hydraulic pressure principle and control, protection to combine together, realize mechanical lightness and handiness, and then improve vacuum circuit breaker's breaking capacity and higher safe operation requirement.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
Since the vacuum circuit breakers of 35KV and 10KV form a standard series, the operating mechanisms necessary to the vacuum circuit breakers are widely used in high-voltage and medium-voltage transmission and distribution networks by three operating mechanisms, namely an electromagnetic type (CD series and split type), a CT8 and a CT9 (two spring energy storage operating mechanisms, split type and integrated type), a permanent magnet operating mechanism and the like. Especially, the operating mechanism integrally installed with the vacuum circuit breaker has the common defect that the operating mechanism is installed on the front side and does not effectively utilize the longitudinal space in the vacuum circuit breaker switch cabinet, so that the switch cabinet is influenced to reduce the occupied area.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker to solve the current vacuum circuit breaker who proposes among the above-mentioned background art and do not possess the effectual utilization in the vertical space in the vacuum circuit breaker cubical switchboard, and then influence the cubical switchboard and reduce area's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker, includes:
a hydraulic oil tank assembly;
one end of the first oil pumping assembly is mounted at the top of the right side of the hydraulic oil tank assembly;
the bottom of the left side of the telescopic assembly is connected with the other end of the first oil pumping assembly;
one end of the first oil return assembly is connected with the right bottom of the hydraulic oil tank assembly, and the other end of the first oil return assembly is connected with the right bottom of the telescopic assembly;
one end of the second oil pumping assembly is connected with the left side of the top of the hydraulic oil tank assembly, and the other end of the second oil pumping assembly is connected with the top of the left side of the telescopic assembly;
one end of the second oil return assembly is connected with the right side of the top of the hydraulic oil tank assembly, and the other end of the second oil return assembly is connected with the top of the right side of the telescopic assembly;
and the opening and closing assembly is arranged on the top telescopic part of the telescopic assembly.
Preferably, the hydraulic oil tank assembly includes:
an oil tank body;
the left end of the first oil outlet port penetrates through the right side wall of the inner cavity of the oil tank body and is inserted into the bottom of the inner cavity of the oil tank body;
the oil return interface is arranged at the bottom of the right side surface of the oil tank body and is communicated with the inner cavity of the oil tank body;
the second oil outlet port is arranged on the left side of the top of the oil tank body, and the bottom of the second oil outlet port penetrates through the bottom of the inner cavity of the oil tank body and is inserted into the bottom of the inner cavity of the oil tank body;
the second oil return interface is installed on the right side of the top of the oil tank body, and the second oil return interface is communicated with the inner cavity of the oil tank body.
Preferably, the first oil pumping assembly includes:
a first oil pump;
one end of the first connecting pipe is arranged on the right side of the first oil pump;
a first check valve, a left side of which is connected with the other end of the first connection pipe.
Preferably, the telescopic assembly comprises:
an outer conduit;
the telescopic rod is inserted at the top of the outer pipeline;
the first oil inlet is arranged at the bottom of the left side of the outer pipeline, and an inner cavity of the first oil inlet is communicated with an inner cavity of the outer pipeline;
the first oil discharge port is arranged at the bottom of the right side of the outer pipeline, and the inner cavity of the first oil discharge port is communicated with the inner cavity of the outer pipeline;
the second oil inlet is arranged at the top of the left side of the outer pipeline, and an inner cavity of the second oil inlet is communicated with an inner cavity of the outer pipeline;
and the second oil drain port is arranged at the top of the right side of the outer pipeline, and the inner cavity of the second oil drain port is communicated with the inner cavity of the outer pipeline.
Preferably, the first oil returning component comprises:
a first solenoid valve;
the first oil return pipe is arranged at the bottom of the first electromagnetic valve;
and the second oil return pipe is arranged at the top of the first electromagnetic valve.
Preferably, the second oil pumping assembly includes:
a second connecting pipe;
a second oil pump installed at one end of the second connection pipe;
a second check valve installed at the other end of the second connection pipe.
Preferably, the second oil return assembly includes:
a second solenoid valve;
the third oil return pipe is arranged at the bottom of the second electromagnetic valve;
and the fourth oil return pipe is arranged at the top of the second electromagnetic valve.
Preferably, the switching-closing assembly includes:
mounting a plate;
the two support plates are arranged on the front side and the rear side of the middle end of the top of the mounting plate in tandem;
the knife switch is arranged between the two support plates through a shaft pin;
four mounting holes, four the mounting hole is seted up the top four corners of mounting panel, the mounting hole runs through the bottom of mounting panel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model combines the hydraulic principle with the control and the protection, realizes the lightening of machinery, and further improves the breaking capacity and the higher safe operation requirement of the vacuum circuit breaker, the first oil pump is installed on the first oil outlet port through the flange, the oil pressure control device is installed on the first oil pump, the hydraulic oil in the oil tank body is pumped out through the matching use of the first oil pump and the first oil outlet port, the oil pressure of the pumped hydraulic oil is controlled through the oil pressure control device, the oil inlet of the second oil pump is installed on the second oil outlet port through the flange, the hydraulic oil in the inner cavity of the oil tank body is pumped out to the inner cavity of the second connecting pipe through the matching use of the second oil pump and the second oil outlet port, the oil pressure control device is installed on the second oil pump, the hydraulic oil pumped out is controlled through the oil pressure control device, the switch blade can be overturned by taking the shaft pin as the center, the insulating part of the switch blade is installed on, flexible and be swing joint between the plug-in strip, it uses the pivot to overturn as the center to drive the plug-in strip through flexible upper and lower flexible, make the operation of divide-shut brake can be accomplished to the electrically conductive part of plug-in strip, during the use, set for hydraulic pressure according to the spring pressure of vacuum bubble and divide-shut brake time requirement, drive the plug-in strip through established hydraulic pressure and overturn, accomplish the operation of divide-shut brake, utilize hydraulic pressure principle and control, the protection combines together, realize machinery is light and handy, and then improve vacuum circuit breaker's breaking capacity and higher safe operation requirement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the hydraulic oil tank assembly of the present invention;
FIG. 3 is a schematic structural view of a first oil pumping assembly of the present invention;
FIG. 4 is a schematic view of the telescopic assembly of the present invention;
FIG. 5 is a schematic structural view of a first oil returning assembly according to the present invention;
FIG. 6 is a schematic structural view of a second oil pumping assembly of the present invention;
fig. 7 is a schematic structural view of a second oil return assembly of the present invention;
fig. 8 is the structure schematic diagram of the opening and closing assembly of the present invention.
In the figure: 100 hydraulic oil tank assembly, 110 oil tank body, 120 first oil outlet interface, 130 oil return interface, 140 second oil outlet interface, 150 second oil return interface, 200 first pump oil assembly, 210 first oil pump, 220 first connecting pipe, 230 first check valve, 300 telescopic assembly, 310 external pipeline, 320 telescopic rod, 330 first oil inlet, 340 first oil outlet, 350 second oil inlet, 360 second oil outlet, 400 first oil return assembly, 410 first solenoid valve, 420 first oil return pipe, 430 second oil return pipe, 500 second pump oil assembly, 510 second connecting pipe, 520 second oil pump, 530 second check valve, 600 second oil return assembly, 610 second solenoid valve, 620 third oil return pipe, 630 fourth oil return pipe, 700 divide-shut brake assembly, 710 mounting plate, 720, support plate, 730 brake knife, 740 mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker utilizes hydraulic pressure principle and control, protection to combine together, realizes mechanical lightness, and then improves vacuum circuit breaker's breaking capacity and higher safe operating requirement, please refer to figure 1, include: the hydraulic oil tank assembly 100, the first oil pumping assembly 200, the telescopic assembly 300, the first oil return assembly 400, the second oil pumping assembly 500, the second oil return assembly 600 and the opening and closing assembly 700;
referring to fig. 1-2, an hydraulic tank assembly 100 includes:
a tank body 110;
the first oil outlet port 120 is mounted at the top of the right side of the oil tank body 110 through a flange plate, and the left end of the first oil outlet port 120 penetrates through the right side wall of the inner cavity of the oil tank body 110 and is inserted at the bottom of the inner cavity of the oil tank body 110;
the oil return interface 130 is arranged at the bottom of the right side surface of the oil tank body 110 through a flange plate, and the oil return interface 130 is communicated with the inner cavity of the oil tank body 110;
the second oil outlet port 140 is mounted on the left side of the top of the oil tank body 110 through a flange, and the bottom of the second oil outlet port 140 penetrates through the bottom of the inner cavity of the oil tank body 110 and is inserted into the bottom of the inner cavity of the oil tank body 110;
the second oil return connector 150 is mounted on the right side of the top of the oil tank body 110 through a flange, and the second oil return connector 150 is communicated with the inner cavity of the oil tank body 110;
referring to fig. 1 to 3, one end of the first oil pumping assembly 200 is installed at the top of the right side of the hydraulic oil tank assembly 100, and the first oil pumping assembly 200 includes:
the first oil pump 210 is mounted on the first oil outlet port 120 through a flange, an oil pressure control device is mounted on the first oil pump 210, hydraulic oil in the oil tank body 110 is pumped out through the cooperation of the first oil pump 210 and the first oil outlet port 120, and the oil pressure of the pumped hydraulic oil is controlled through the oil pressure control device;
one end of the first connecting pipe 220 is mounted on one end of the first oil pump 210 far away from the first oil outlet port 120 through a flange, and the hydraulic oil is pumped to an inner cavity of the first connecting pipe 220 through the first oil pump 210;
an oil inlet of the first check valve 230 is flange-mounted on one end of the first connection pipe 220 away from the first oil pump 210, hydraulic oil enters an inner cavity of the first check valve 230 through the first connection pipe 220 and is discharged through an oil outlet of the first check valve 230, and the first check valve 230 is used for preventing the hydraulic oil from flowing back to the inner cavity of the first connection pipe 220;
referring to fig. 1, 3 and 4, a bottom portion of a left side of the telescopic assembly 300 is connected to the other end of the first oil pumping assembly 200, and the telescopic assembly 300 includes:
the outer pipeline 310 is a hollow pipeline, and an opening is formed in the top of the outer pipeline 310;
the telescopic rod 320 is inserted into the opening at the top of the outer pipeline 310, and sealing treatment is performed between the telescopic rod 320 and the outer pipeline 310 to prevent hydraulic oil from seeping out;
the first oil inlet 330 is installed at the bottom of the left side of the outer pipeline 310, an inner cavity of the first oil inlet 330 is communicated with an inner cavity of the outer pipeline 310, the first oil inlet 330 is installed at one end, far away from the first connecting pipe 220, of the first check valve 230 through a flange, hydraulic oil enters the inner cavity of the first oil inlet 330 through the first check valve 230 and enters the bottom of the inner cavity of the outer pipeline 310 through the first oil inlet 330, a rising oil pressure is formed for the telescopic rod 320, and the telescopic rod 320 is lifted up through the hydraulic oil;
the first oil discharge port 340 is installed at the bottom of the right side of the outer pipe 310, the inner cavity of the first oil discharge port 340 is communicated with the inner cavity of the outer pipe 310, when the telescopic rod 320 moves downwards, the telescopic rod 320 extrudes hydraulic oil at the bottom of the inner cavity of the outer pipe 310, the hydraulic oil is discharged through the first oil discharge port 340, and due to the arrangement of the first check valve 230, the hydraulic oil can be effectively prevented from flowing back to the inner cavity of the first connecting pipe 220 when the telescopic rod 320 moves downwards;
the second oil inlet 350 is installed at the top of the left side of the outer pipeline 310, an inner cavity of the second oil inlet 350 is communicated with an inner cavity of the outer pipeline 310, hydraulic oil enters the top of the inner cavity of the outer pipeline 310 through the second oil inlet 350, and forms downward oil pressure on the telescopic rod 320, so that the telescopic rod 320 moves downward;
the second oil drain port 360 is arranged at the top of the right side of the outer pipeline 310, the inner cavity of the second oil drain port 360 is communicated with the inner cavity of the outer pipeline 310, when the telescopic rod 320 moves upwards, the telescopic rod 320 pressurizes the hydraulic oil at the top of the inner cavity of the outer pipeline 310, and the hydraulic oil is discharged through the second oil drain port 360;
referring to fig. 1, 2, 4 and 5, one end of the first oil returning assembly 400 is connected to the right bottom of the hydraulic oil tank assembly 100, and the other end of the first oil returning assembly 400 is connected to the right bottom of the telescopic assembly 300, and the first oil returning assembly 400 includes:
the on-off of the oil return path is controlled by the on-off of the first electromagnetic valve 410;
one end of the first oil return pipe 420 is mounted on the oil outlet of the first solenoid valve 410 through a flange, and the other end of the first oil return pipe 420 is mounted on the oil return interface 130 through a flange;
one end of the second oil return pipe 430 is installed at the oil inlet of the first electromagnetic valve 410, the other end of the second oil return pipe 430 is installed at the first oil discharge port 340 through a flange, when the telescopic rod 320 descends, the first electromagnetic valve 410 is started to be communicated with an oil circuit, hydraulic oil at the bottom of the inner cavity of the outer pipeline 310 enters the inner cavity of the second oil return pipe 430 through the first oil discharge port 340, and enters the inner cavity of the oil tank body 110 through the matching use of the second oil return pipe 430, the first electromagnetic valve 410 and the first oil return pipe 420;
referring to fig. 1, 2, 4 and 6, one end of the second oil pumping assembly 500 is connected to the left side of the top of the hydraulic oil tank assembly 100, and the other end of the second oil pumping assembly 500 is connected to the top of the left side of the telescopic assembly 300, and the second oil pumping assembly 500 includes:
a second connection pipe 510;
an oil outlet of the second oil pump 520 is mounted at one end of the second connecting pipe 510 through a flange, an oil inlet of the second oil pump 520 is mounted on the second oil outlet port 140 through a flange, hydraulic oil in the inner cavity of the oil tank body 110 is pumped out to the inner cavity of the second connecting pipe 510 through the matching use of the second oil pump 520 and the second oil outlet port 140, an oil pressure control device is mounted on the second oil pump 520, and the oil pressure of the pumped hydraulic oil is controlled through the oil pressure control device;
an oil inlet of the second check valve 530 is mounted at the other end of the second connecting pipe 510 through a pipe, an oil outlet of the second check valve 530 is mounted on the second oil inlet 350 through a flange, hydraulic oil in the inner cavity of the second connecting pipe 510 enters the top of the inner cavity of the outer pipe 310 through the second check valve 530 to form downward oil pressure on the telescopic rod 320, so as to drive the telescopic rod 320 to move downward, and the second check valve 530 can prevent the hydraulic oil at the top of the inner cavity of the outer pipe 310 from entering the inner cavity of the second connecting pipe 510 when the telescopic rod 320 moves upward, so as to prevent the hydraulic oil from flowing backward;
referring to fig. 1, 2, 4 and 7, one end of the second oil return assembly 600 is connected to the right side of the top of the hydraulic oil tank assembly 100, and the other end of the second oil return assembly 600 is connected to the top of the right side of the telescopic assembly 300, and the second oil return assembly 600 includes:
the on-off of the oil return path is controlled by the on-off of the second electromagnetic valve 610;
one end of the third oil return pipe 620 is mounted on the oil outlet of the second solenoid valve 610 through a flange, and the other end of the third oil return pipe 620 is mounted on the second oil return port 150 through a flange;
one end of a fourth oil return pipe 630 is mounted on an oil inlet of the second electromagnetic valve 610 through a flange, the other end of the fourth oil return pipe 630 is mounted on a second oil discharge port 360 through a flange, when the telescopic rod 320 ascends, the second electromagnetic valve 610 starts to connect an oil circuit, hydraulic oil at the top of the inner cavity of the outer pipeline 310 enters the inner cavity of the fourth oil return pipe 630 through the second oil discharge port 360, and enters the inner cavity of the oil tank body 110 through the matching use of the fourth oil return pipe 630, the second electromagnetic valve 610 and the third oil return pipe 620;
referring to fig. 1, 4 and 8, the switching-closing assembly 700 is mounted on the top telescopic part of the telescopic assembly 300, and the switching-closing assembly 700 includes:
the mounting plate 710 is mounted on the vacuum circuit breaker;
the two support plates 720 are welded at the front side and the rear side of the middle end of the top of the mounting plate 710 in tandem;
the switch blade 730 is arranged between the two support plates 720 through a shaft pin, the switch blade 730 can turn over by taking the shaft pin as the center, the insulating part of the switch blade 730 is arranged on the outer wall of the telescopic part 310 through the shaft pin, the telescopic part 310 is movably connected with the switch blade 730, the switch blade 730 is driven to turn over by the up-and-down stretching of the telescopic part 310 by taking the shaft pin as the center, so that the conducting part of the switch blade 730 can complete the switching-on and switching-off operation, when in use, hydraulic pressure is set according to the bouncing pressure of a vacuum bubble and the switching-on and switching-off time requirement, the switch blade 730 is driven to turn over by the set hydraulic pressure to complete the switching-on and switching-off operation, the mechanical lightening is realized by combining the hydraulic principle with control and protection, and the;
four mounting holes 740 are formed at the top four corners of the mounting plate 710, and the mounting holes 740 penetrate the bottom of the mounting plate 710.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides an electronic divide-shut brake operating device of fluid pressure type vacuum circuit breaker which characterized in that: the method comprises the following steps:
a hydraulic tank assembly (100);
a first oil pumping assembly (200), wherein one end of the first oil pumping assembly (200) is arranged at the top of the right side of the hydraulic oil tank assembly (100);
the bottom of the left side of the telescopic assembly (300) is connected with the other end of the first oil pumping assembly (200);
one end of the first oil return assembly (400) is connected with the right bottom of the hydraulic oil tank assembly (100), and the other end of the first oil return assembly (400) is connected with the right bottom of the telescopic assembly (300);
one end of the second oil pumping assembly (500) is connected with the left side of the top of the hydraulic oil tank assembly (100), and the other end of the second oil pumping assembly (500) is connected with the top of the left side of the telescopic assembly (300);
one end of the second oil return assembly (600) is connected with the right side of the top of the hydraulic oil tank assembly (100), and the other end of the second oil return assembly (600) is connected with the top of the right side of the telescopic assembly (300);
the opening and closing assembly (700), and the opening and closing assembly (700) is installed on the top telescopic part of the telescopic assembly (300).
2. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the hydraulic tank assembly (100) includes:
a tank body (110);
the first oil outlet interface (120) is mounted at the top of the right side of the oil tank body (110), and the left end of the first oil outlet interface (120) penetrates through the right side wall of the inner cavity of the oil tank body (110) and is inserted into the bottom of the inner cavity of the oil tank body (110);
the oil return interface (130) is installed at the bottom of the right side face of the oil tank body (110), and the oil return interface (130) is communicated with an inner cavity of the oil tank body (110);
the second oil outlet port (140) is mounted on the left side of the top of the oil tank body (110), and the bottom of the second oil outlet port (140) penetrates through the bottom of an inner cavity of the oil tank body (110) and is inserted into the bottom of the inner cavity of the oil tank body (110);
the oil tank comprises a second oil return interface (150), wherein the second oil return interface (150) is installed on the right side of the top of the oil tank body (110), and the second oil return interface (150) is communicated with an inner cavity of the oil tank body (110).
3. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the first oil pumping assembly (200) includes:
a first oil pump (210);
a first connection pipe (220), one end of the first connection pipe (220) being installed at the right side of the first oil pump (210);
a first check valve (230), a left side of the first check valve (230) being connected with the other end of the first connection pipe (220).
4. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the retraction assembly (300) comprises:
an outer conduit (310);
the telescopic rod (320) is inserted at the top of the outer pipeline (310);
the first oil inlet (330) is mounted at the bottom of the left side of the outer pipeline (310), and an inner cavity of the first oil inlet (330) is communicated with an inner cavity of the outer pipeline (310);
the first oil discharging port (340), the first oil discharging port (340) is installed at the bottom of the right side of the outer pipeline (310), and the inner cavity of the first oil discharging port (340) is communicated with the inner cavity of the outer pipeline (310);
the second oil inlet (350) is mounted at the top of the left side of the outer pipeline (310), and the inner cavity of the second oil inlet (350) is communicated with the inner cavity of the outer pipeline (310);
the second oil drain port (360), install second oil drain port (360) the right side top of outer pipeline (310), the inner chamber of second oil drain port (360) with the inner chamber of outer pipeline (310) link up mutually.
5. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the first oil return assembly (400) comprises:
a first solenoid valve (410);
a first oil return pipe (420), the first oil return pipe (420) being installed at the bottom of the first solenoid valve (410);
a second oil return pipe (430), wherein the second oil return pipe (430) is installed on the top of the first solenoid valve (410).
6. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the second oil pumping assembly (500) includes:
a second connection pipe (510);
a second oil pump (520), the second oil pump (520) being installed at one end of the second connection pipe (510);
a second check valve (530), the second check valve (530) being installed at the other end of the second connection pipe (510).
7. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the second oil return assembly (600) comprises:
a second solenoid valve (610);
a third oil return pipe (620), wherein the third oil return pipe (620) is installed at the bottom of the second electromagnetic valve (610);
a fourth oil return pipe (630), the fourth oil return pipe (630) being installed on the top of the second solenoid valve (610).
8. The electric opening and closing operation mechanism of the hydraulic vacuum circuit breaker according to claim 1, characterized in that: the opening and closing assembly (700) comprises:
a mounting plate (710);
the two support plates (720) are arranged on the front side and the rear side of the middle end of the top of the mounting plate (710) in tandem;
a knife blade (730), wherein the knife blade (730) is installed between the two support plates (720) through a shaft pin;
four mounting holes (740), four mounting holes (740) are seted up the top four corners of mounting panel (710), mounting hole (740) run through the bottom of mounting panel (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069910.9U CN212990981U (en) | 2020-09-21 | 2020-09-21 | Electric switching-on and switching-off operating mechanism of hydraulic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069910.9U CN212990981U (en) | 2020-09-21 | 2020-09-21 | Electric switching-on and switching-off operating mechanism of hydraulic vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN212990981U true CN212990981U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022069910.9U Active CN212990981U (en) | 2020-09-21 | 2020-09-21 | Electric switching-on and switching-off operating mechanism of hydraulic vacuum circuit breaker |
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| Country | Link |
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| CN (1) | CN212990981U (en) |
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- 2020-09-21 CN CN202022069910.9U patent/CN212990981U/en active Active
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| GR01 | Patent grant |