CN209993532U - Three-station isolation operation mechanism of ring main unit - Google Patents
Three-station isolation operation mechanism of ring main unit Download PDFInfo
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- CN209993532U CN209993532U CN201921062219.9U CN201921062219U CN209993532U CN 209993532 U CN209993532 U CN 209993532U CN 201921062219 U CN201921062219 U CN 201921062219U CN 209993532 U CN209993532 U CN 209993532U
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Abstract
The utility model provides an operating device is kept apart to three stations of looped netowrk cabinet, including front panel, rear panel, output shaft subassembly, energy storage spring assembly, isolation operating axis subassembly, ground connection operating axis subassembly and handle hole baffle, parallel arrangement constitutes one between front panel and the rear panel and holds the chamber, output shaft subassembly, isolation operating axis subassembly and ground connection operating axis subassembly all wear to locate hold the chamber, isolation operating axis subassembly and ground connection operating axis subassembly set up respectively in the both sides of output shaft subassembly, isolation operating axis subassembly and ground connection operating axis subassembly pass through the output shaft subassembly transmission is connected, isolation operating axis subassembly with be connected with between the ground connection operating axis subassembly energy storage spring assembly, the handle hole baffle mounting is in the top of output shaft subassembly. The isolation, grounding and switching-on processes are completed by the energy storage and release effects of the spring, so that the performance of the isolating switch is more stable and reliable.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, the more specifically indicate three station isolation operation mechanisms of looped netowrk cabinet that says so.
Background
At present, with the development of national economy and the progress of science and technology, a ring main unit is widely used in many large-scale power utilization places; the ring main unit has the advantages of simple structure, safe and reliable operation, low maintenance frequency and low operation cost, and compared with the traditional switch cabinet, the ring main unit has outstanding advantages. In the technology of the ring main unit, an isolating switch is generally applied. The isolating switch serves as a circuit switch in the ring main unit, not only plays a role of a common switch, but also can ensure the safe fracture and the reliable grounding of the isolated lower end, and absolutely ensures the safety of circuit maintenance and maintainers. Is one of the very important components in the ring main unit.
The existing isolating switch has more faults on an operating mechanism, and has the defects of complicated operation due to more parts of a mechanism body, independent and separate establishment of an isolating opening and closing spring and a grounding opening and closing spring, larger integral volume, larger operating force and lower transmission precision due to the fact that the operating force direction and the transmission main shaft action direction of the original mechanism are mostly transmitted by gears. On the other hand, most operating device and isolator main part are fixed together on the looped netowrk cabinet, if in case operating device damages then leads to the isolator to become invalid, need handle from the whole dismantlement of looped netowrk cabinet, cause the maintenance to cause the blackout time longer, and the maintenance is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that prior art exists, provide an operating device is kept apart to looped netowrk cabinet three stations.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-station isolation operating mechanism of a ring main unit comprises a front panel, a rear panel, an output shaft assembly, an energy storage spring assembly, an isolation operating shaft assembly, a grounding operating shaft assembly and an operating hole baffle plate, wherein a containing cavity is formed by the front panel and the rear panel in a parallel mode;
the isolation operation shaft assembly is rotated anticlockwise, the energy storage spring assembly is compressed, so that an output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate to block the grounding operation shaft assembly, and the isolation mechanism is switched on;
rotating the isolation operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate and give way to remove the limit of the grounding operation shaft assembly, and realizing the brake separation of the isolation mechanism;
rotating the grounding operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the isolation operation shaft assembly, and achieving closing of a grounding mechanism;
and the grounding operation shaft assembly rotates anticlockwise, the energy storage spring assembly is compressed, so that the output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate and give way to remove the spacing of the isolation operation shaft assembly, and the opening of the grounding mechanism is realized.
The further technical scheme is as follows: the output shaft assembly comprises an output main shaft, an isolation crank arm and a grounding crank arm are welded at two ends of the output main shaft respectively, and a grooved mechanism output point is arranged at the bottom end of the output main shaft.
The further technical scheme is as follows: the energy storage spring subassembly include energy storage spring and alternate the flexible guiding axle of two-stage at energy storage spring center, the flexible guiding axle both ends of two-stage are equipped with the step cover that is used for spacing energy storage spring respectively, the step cover carries out the installation of contradicting each other with isolation operation axle subassembly, ground connection operation axle subassembly respectively.
The further technical scheme is as follows: the isolation operation shaft assembly comprises an isolation operation shaft, a front energy storage spring crank arm and an energy storage spring limiting cam, the front energy storage spring crank arm is welded in the middle of the isolation operation shaft, the energy storage spring limiting cam is sleeved on the upper portion of the isolation operation shaft, a pin column is arranged on the upper portion of the energy storage spring limiting cam and connected with the isolation crank arm through a sliding groove connecting piece, and the top end of the isolation operation shaft is provided with an outer hexagon.
The further technical scheme is as follows: the ground connection operation shaft assembly comprises a ground connection operation shaft, a rear energy storage spring crank arm and an energy storage spring limiting cam, the rear energy storage spring crank arm is welded in the middle of the ground connection operation shaft, the energy storage spring limiting cam is sleeved at the bottom of the isolation operation shaft, a pin column is arranged at the upper part of the energy storage spring limiting cam and connected with the ground connection crank arm of the output shaft assembly through a chute connecting piece, and the top end of the ground connection operation shaft is provided with an outer hexagon.
The further technical scheme is as follows: and a support column is arranged between the front panel and the rear panel.
The further technical scheme is as follows: the two ends of the output shaft assembly, the isolation operation shaft assembly and the grounding operation shaft assembly are respectively provided with a copper sleeve and penetrate through the concentric front panel and the concentric rear panel through the copper sleeves.
Compared with the prior art, the utility model beneficial effect is: the utility model relates to a three station isolation operating device of looped netowrk cabinet is through setting up isolation operation axle subassembly and ground connection operation axle subassembly respectively in the both sides of output shaft subassembly, and isolation operation axle subassembly and ground connection operation axle subassembly carry out the transmission through the output shaft subassembly and are connected, keep apart the operation axle subassembly simultaneously with be connected with energy storage spring assembly between the ground connection operation axle subassembly, the operation hole baffle is installed at the top of output shaft subassembly; rotating the isolation operation shaft assembly anticlockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the grounding operation shaft assembly, and achieving closing of the isolation mechanism; rotating the isolation operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate and give way to remove the limit of the grounding operation shaft assembly, and realizing the brake separation of the isolation mechanism; rotating the grounding operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the isolation operation shaft assembly, and achieving closing of a grounding mechanism; and the grounding operation shaft assembly rotates anticlockwise, the energy storage spring assembly is compressed, so that the output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate and give way to remove the spacing of the isolation operation shaft assembly, and the opening of the grounding mechanism is realized. The isolation switch has the advantages that the whole structure is simple and reasonable, the design is ingenious, the misoperation prevention is realized, the modular design is realized, the isolation opening and closing spring and the grounding opening and closing spring are combined into a whole, the number of parts is small, the isolation and grounding opening and closing processes are completed by the energy storage and release effects of the springs, and the performance of the isolation switch is more stable and reliable. And, can separate the maintenance with the isolator body, maintain more swiftly simple and convenient.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the three-station isolation operating mechanism of the ring main unit of the present invention;
fig. 2 is a structural diagram of an output shaft assembly of the three-station isolation operating mechanism of the ring main unit of the utility model;
fig. 3 is a schematic diagram of the front side of the isolation switch-on of the three-station isolation operating mechanism of the ring main unit of the present invention;
fig. 4 is a schematic diagram of an isolation switch-on 45 ° angle of the ring main unit three-station isolation operating mechanism of the present invention;
fig. 5 is a schematic front view of the isolation separating brake of the three-station isolation operating mechanism of the ring main unit of the present invention;
fig. 6 is a schematic diagram of the isolation opening 45 ° angle of the three-station isolation operating mechanism of the ring main unit of the present invention;
fig. 7 is a schematic diagram of a front side of a grounding switch-on of the three-station isolation operating mechanism of the ring main unit of the present invention;
fig. 8 is the utility model discloses ring main unit three-station isolation operating device's ground connection combined floodgate 45 jiaos of schematics.
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is also changed accordingly, and the connection may be a direct connection or an indirect connection.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In this specification, "/" means "or" unless otherwise specified "
As shown in fig. 1 to 8, a three-station isolation operating mechanism of a ring main unit includes a front panel 1, a rear panel 5, an output shaft assembly 300, an energy storage spring assembly 400, an isolation operating shaft assembly 100, a ground operating shaft assembly 200 and an operating hole baffle 3, wherein the front panel 1 and the rear panel 5 are arranged in parallel to form a cavity, the output shaft assembly 300, the isolation operating shaft assembly 100 and the ground operating shaft assembly 200 are all arranged in the cavity in a penetrating manner, the isolation operating shaft assembly 100 and the ground operating shaft assembly 200 are respectively arranged on two sides of the output shaft assembly 300, the isolation operating shaft assembly 100 and the ground operating shaft assembly 200 are in transmission connection through the output shaft assembly 300, the energy storage spring assembly 400 is connected between the isolation operating shaft assembly 100 and the ground operating shaft assembly 200, and the operating hole baffle 3 is installed;
the isolation operation shaft assembly 100 is rotated anticlockwise, the energy storage spring assembly 400 is compressed, so that an output shaft of the output shaft assembly 300 rotates and drives the operation hole baffle 3 to rotate to block the grounding operation shaft assembly 200, and the isolation mechanism is switched on;
rotating the isolation operation shaft assembly 100 clockwise, compressing the energy storage spring assembly 400 so that the output shaft of the output shaft assembly 300 rotates and drives the operation hole baffle 3 to rotate and give way to remove the limitation of the grounding operation shaft assembly 200, and realizing the brake separation of the isolation mechanism;
rotating the grounding operation shaft assembly 200 clockwise, compressing the energy storage spring assembly 400 so that the output shaft of the output shaft assembly 300 rotates and drives the operation hole baffle 3 to rotate to block the isolation operation shaft assembly 100, and realizing the closing of the grounding mechanism;
the grounding operation shaft assembly 200 is rotated anticlockwise, the energy storage spring assembly 400 is compressed, so that the output shaft of the output shaft assembly 300 rotates and drives the operation hole baffle 3 to rotate and give way to remove the spacing of the isolation operation shaft assembly 100, and the opening of the grounding mechanism is realized. The three-station isolation operating mechanism of the ring main unit is simple and reasonable in structure, ingenious in design, capable of preventing misoperation, modular in design, capable of integrating the isolation opening and closing spring and the grounding opening and closing spring into a whole, few in parts, capable of achieving isolation, grounding opening and closing processes by the aid of the energy storage and release effects of the springs, and capable of enabling performance of the isolating switch to be more stable and reliable. And, can separate the maintenance with the isolator body, maintain more swiftly simple and convenient.
Specifically, as shown in fig. 2, the output shaft assembly 300 includes an output main shaft 11, an isolating crank arm 10 and a grounding crank arm 12 are welded to two ends of the output main shaft 11 respectively, and a slotted type 301 mechanism output point is arranged at the bottom end of the output main shaft 11.
Specifically, as shown in fig. 1 to 6, the energy storage spring assembly 400 includes an energy storage spring 13 and a two-stage telescopic guide shaft 14 inserted through the center of the energy storage spring 13, two ends of the two-stage telescopic guide shaft 14 are respectively provided with a step sleeve 15 and a step sleeve 16 for limiting the energy storage spring 13, and the step sleeves 15 and 16 are respectively installed in an abutting manner with the isolation operation shaft assembly 100 and the grounding operation shaft 22 assembly 200.
Specifically, as shown in fig. 1 to 6, the isolation operation shaft assembly 100 includes an isolation operation shaft 17, a front energy storage spring crank arm 19 and an energy storage spring limit cam 18, the front energy storage spring crank arm 19 is welded in the middle of the isolation operation shaft 17, the energy storage spring limit cam 18 is sleeved on the upper portion of the isolation operation shaft 17, a pin 20 is arranged on the upper portion of the energy storage spring limit cam 18 and connected with the isolation crank arm 10 through a sliding groove connecting piece 21, and an external hexagon 101 is arranged at the top end of the isolation operation shaft 17. When the outer hexagon 101 at the top end of the isolation operation shaft 17 is operated in a counterclockwise rotating mode, the front energy storage spring crank arm 19 is driven to rotate to compress the energy storage spring assembly 400 to form a straight line with the shaft core of the isolation operation shaft 17, at the moment, the front energy storage spring crank arm 19 and the energy storage spring limiting cam 18 realize coupling 102 and 103, the isolation operation shaft 17 continues to rotate to pass through a straight line angle, the energy storage force of the energy storage spring assembly 400 is released and extended instantly, the front energy storage spring crank arm 19 and the energy storage spring limiting cam 18 which are coupled 102 and 103 are pushed together are pushed, and meanwhile, the isolation crank arm 10 of the output shaft assembly 300 is pulled through the sliding groove connecting piece 21 to enable the output shaft 11 of the isolation mechanism.
Specifically, as shown in fig. 1 to 6, when the output shaft 11 rotates, the operation hole baffle 3 mounted at the top 302 thereof is driven to rotate synchronously, and when the mechanism is closed, the right end 303 of the operation hole baffle 1 blocks the grounding operation shaft 22, the grounding mechanism cannot be operated, so that the requirement of five-prevention interlocking in the power industry is met.
Specifically, as shown in fig. 1 to 6, when the outer hexagon 101 at the top end of the isolation operation shaft 17 is rotated clockwise, the front energy storage spring crank arm 19 is driven to rotate to compress the energy storage spring assembly 400 to be aligned with the shaft core of the isolation operation shaft 17, at this time, the front energy storage spring crank arm 19 and the energy storage spring limiting cam 18 realize coupling 102 and 104, the isolation operation shaft 17 is continuously rotated to pass through a linear angle, the energy storage force of the energy storage spring assembly 400 is instantly released and extended, the front energy storage spring crank arm 19 and the energy storage spring limiting cam 18 which are coupled 102 and 104 together are pushed, and meanwhile, the isolation crank arm 10 of the output shaft assembly 300 is pulled through the chute connecting piece 21 to rotate the output shaft 11, so that the brake separating function of the isolation mechanism is realized. At this time, the operation hole baffle 3 rotates to give way 303 to release the limit of the grounding operation 22.
Specifically, as shown in fig. 1 to 8, the grounding operation shaft assembly 200 includes a grounding operation shaft 22, a rear energy storage spring crank arm 23 and an energy storage spring limiting cam 23, the rear energy storage spring crank arm 23 is welded in the middle of the grounding operation shaft 22, the energy storage spring limiting cam 23 is sleeved at the bottom 202 of the isolation operation shaft 22, a pin 25 is arranged at the upper part of the energy storage spring limiting cam 23, the energy storage spring limiting cam is connected with the grounding crank arm 12 of the output shaft assembly 300 through a sliding groove connecting piece 26, and an external hexagon 201 is arranged at the top end of the grounding operation shaft 22. When the outer hexagon 201 at the top end of the grounding operation shaft 22 is operated clockwise in a rotating mode, the rear energy storage spring crank arm 23 is driven to rotate to compress the energy storage spring assembly 400 to be aligned with the shaft core of the grounding operation shaft 22, at the moment, the rear energy storage spring crank arm 23 and the energy storage spring limiting cam 24 achieve coupling 204 and 203, the grounding operation shaft 22 continues to rotate to pass through a linear angle, the energy storage force of the energy storage spring assembly 400 is released and extended instantly, the rear energy storage spring crank arm 23 and the energy storage spring limiting cam 24 which are coupled 204 and 203 are pushed together are pushed, meanwhile, the grounding crank arm 12 of the output shaft assembly 300 is pulled through the sliding groove connecting piece 26 to enable the output shaft 11 to rotate, and therefore the switching-.
Specifically, as shown in fig. 1 to 8, the output shaft 11 drives the operation hole baffle 3 mounted at the top 302 thereof to rotate synchronously when rotating, and when the grounding mechanism is closed, the left end 304 of the operation hole baffle 3 blocks the isolation operation shaft 17, so that the isolation mechanism cannot be operated, and the requirement of five-prevention interlocking in the power industry is met.
Specifically, as shown in fig. 1 to 8, when the hexagonal shape 201 outside the top end of the grounding operation shaft 22 is operated in a counterclockwise rotating manner, the rear energy storage spring crank arm 23 is driven to rotate to compress the energy storage spring assembly 400 to be aligned with the shaft core of the grounding operation shaft 22, at this time, the rear energy storage spring crank arm 23 and the energy storage spring limiting cam 24 are coupled 204 and 205, the grounding operation shaft 22 is continuously operated in a rotating manner to pass through a linear angle, the energy storage force of the energy storage spring assembly 400 is released and extended instantly, the rear energy storage spring crank arm 23 and the energy storage spring limiting cam 24 coupled 204 and 205 are pushed together, and meanwhile, the grounding crank arm 12 of the output shaft assembly 300 is pulled through the chute connecting piece 26 to rotate the output shaft 11, so that the switching-off function. At the moment, the operation hole baffle plate rotates to give way to remove the spacing of the isolation operation. The three-station isolation operating mechanism of the ring main unit is simple and reasonable in structure, ingenious in design, capable of preventing misoperation, modular in design, capable of integrating the isolation opening and closing spring and the grounding opening and closing spring into a whole, few in parts, capable of achieving isolation, grounding opening and closing processes by the aid of the energy storage and release effects of the springs, and capable of enabling performance of the isolating switch to be more stable and reliable. And, can separate the maintenance with the isolator body, maintain more swiftly simple and convenient.
Specifically, as shown in fig. 1, a support column 9 is provided between the front panel 1 and the rear panel 5. The support posts 9 serve as support to strengthen the connection between the front panel 1 and the rear panel 5.
Specifically, as shown in fig. 1, the output shaft assembly 300, the isolated operating shaft assembly 100 and the grounded operating shaft 22 assembly 200 are each provided with a copper bush at both ends and penetrate through the concentric front panel 1 and the rear panel 5 through the copper bushes.
To sum up, the utility model relates to a three-station isolation operating mechanism of ring main unit is through setting up isolation operating axis subassembly and ground connection operating axis subassembly respectively in the both sides of output shaft subassembly, and isolation operating axis subassembly and ground connection operating axis subassembly carry out the transmission through the output shaft subassembly and are connected, are connected with energy storage spring assembly between isolation operating axis subassembly and the ground connection operating axis subassembly simultaneously, and the operating hole baffle is installed at the top of output shaft subassembly; rotating the isolation operation shaft assembly anticlockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the grounding operation shaft assembly, and achieving closing of the isolation mechanism; rotating the isolation operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate and give way to remove the limit of the grounding operation shaft assembly, and realizing the brake separation of the isolation mechanism; rotating the grounding operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the isolation operation shaft assembly, and achieving closing of a grounding mechanism; and the grounding operation shaft assembly rotates anticlockwise, the energy storage spring assembly is compressed, so that the output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate and give way to remove the spacing of the isolation operation shaft assembly, and the opening of the grounding mechanism is realized. The isolation switch has the advantages that the whole structure is simple and reasonable, the design is ingenious, the misoperation prevention is realized, the modular design is realized, the isolation opening and closing spring and the grounding opening and closing spring are combined into a whole, the number of parts is small, the isolation and grounding opening and closing processes are completed by the energy storage and release effects of the springs, and the performance of the isolation switch is more stable and reliable. And, can separate the maintenance with the isolator body, maintain more swiftly simple and convenient.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (7)
1. A three-station isolation operating mechanism of a ring main unit is characterized by comprising a front panel, a rear panel, an output shaft assembly, an energy storage spring assembly, an isolation operating shaft assembly, a grounding operating shaft assembly and an operating hole baffle, wherein a cavity is formed by the front panel and the rear panel in a parallel mode;
the isolation operation shaft assembly is rotated anticlockwise, the energy storage spring assembly is compressed, so that an output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate to block the grounding operation shaft assembly, and the isolation mechanism is switched on;
rotating the isolation operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate and give way to remove the limit of the grounding operation shaft assembly, and realizing the brake separation of the isolation mechanism;
rotating the grounding operation shaft assembly clockwise, compressing the energy storage spring assembly to enable an output shaft of the output shaft assembly to rotate and drive the operation hole baffle to rotate to block the isolation operation shaft assembly, and achieving closing of a grounding mechanism;
and the grounding operation shaft assembly rotates anticlockwise, the energy storage spring assembly is compressed, so that the output shaft of the output shaft assembly rotates and drives the operation hole baffle to rotate and give way to remove the spacing of the isolation operation shaft assembly, and the opening of the grounding mechanism is realized.
2. The three-station isolation operating mechanism of the ring main unit according to claim 1, wherein the output shaft assembly comprises an output main shaft, two ends of the output main shaft are respectively welded with an isolation crank arm and a grounding crank arm, and a slotted mechanism output point is arranged at the bottom end of the output main shaft.
3. The three-station isolating operation mechanism of the ring main unit according to claim 1, wherein the energy storage spring assembly comprises an energy storage spring and a two-stage telescopic guide shaft inserted into the center of the energy storage spring, two ends of the two-stage telescopic guide shaft are respectively provided with a step sleeve for limiting the energy storage spring, and the step sleeves are respectively installed in a mutually abutting mode with the isolating operation shaft assembly and the grounding operation shaft assembly.
4. The three-station isolating operation mechanism of the ring main unit according to claim 2, wherein the isolating operation shaft assembly comprises an isolating operation shaft, a front energy storage spring crank arm and an energy storage spring limiting cam, the front energy storage spring crank arm is welded in the middle of the isolating operation shaft, the energy storage spring limiting cam is sleeved on the upper portion of the isolating operation shaft, a pin column is arranged on the upper portion of the energy storage spring limiting cam and connected with the isolating crank arm through a sliding groove connecting piece, and an outer hexagon is arranged at the top end of the isolating operation shaft.
5. The three-station isolation operating mechanism of the ring main unit according to claim 2, wherein the grounding operating shaft assembly comprises a grounding operating shaft, a rear energy storage spring crank arm and an energy storage spring limiting cam, the rear energy storage spring crank arm is welded in the middle of the grounding operating shaft, the energy storage spring limiting cam is sleeved at the bottom of the isolation operating shaft, a pin column is arranged at the upper part of the energy storage spring limiting cam and connected with the grounding crank arm of the output shaft assembly through a chute connecting piece, and an outer hexagon is arranged at the top end of the grounding operating shaft.
6. A three-position isolating operation mechanism of a ring main unit as claimed in claim 1, wherein a support column is provided between the front panel and the rear panel.
7. The three-station isolation operating mechanism of the ring main unit according to claim 1, wherein copper sleeves are arranged at two ends of the output shaft assembly, the isolation operating shaft assembly and the grounding operating shaft assembly and penetrate through the concentric front panel and the concentric rear panel through the copper sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062219.9U CN209993532U (en) | 2019-07-08 | 2019-07-08 | Three-station isolation operation mechanism of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062219.9U CN209993532U (en) | 2019-07-08 | 2019-07-08 | Three-station isolation operation mechanism of ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209993532U true CN209993532U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921062219.9U Active CN209993532U (en) | 2019-07-08 | 2019-07-08 | Three-station isolation operation mechanism of ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209993532U (en) |
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2019
- 2019-07-08 CN CN201921062219.9U patent/CN209993532U/en active Active
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Address after: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee after: Asia Electrical Power Equipment (Shenzhen) Co.,Ltd. Address before: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee before: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co.,Ltd. |
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