CN112366582A - Stable ring main unit - Google Patents
Stable ring main unit Download PDFInfo
- Publication number
- CN112366582A CN112366582A CN202011378704.4A CN202011378704A CN112366582A CN 112366582 A CN112366582 A CN 112366582A CN 202011378704 A CN202011378704 A CN 202011378704A CN 112366582 A CN112366582 A CN 112366582A
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- CN
- China
- Prior art keywords
- main unit
- ring main
- cabinet
- drawer
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/308—Mounting of cabinets together
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention relates to the technical field of ring main units, in particular to a stable ring main unit, which comprises a ring main unit main body, wherein the ring main unit main body is sequentially provided with a first layer of cabinet, a second layer of cabinet and a third layer of cabinet from top to bottom, the second layer of cabinet comprises a plurality of drawer structures which are arranged in an array way, and a support structure is inserted on the drawer structures in a sliding way; a plurality of balance adjusting structures are arranged on two sides of the ring main unit body. The invention can pertinently open the corresponding cabinet body for operation in the maintenance work, and improves the stability of the ring main unit during maintenance and the practicability of the ring main unit.
Description
Technical Field
The invention relates to the technical field of ring main units, in particular to a stable ring main unit.
Background
The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The power supply system is widely applied to distribution stations and box-type substations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like, and a power supply network is usually connected into a ring in order to improve the power supply reliability and enable users to obtain power supplies from two directions. This power supply mode is referred to as ring network power supply for short. In an alternating current 10kV power distribution system of industrial and mining enterprises, residential districts, ports, high-rise buildings and the like, a high-voltage loop is usually controlled by a load switch or a vacuum contactor and is provided with a high-voltage fuse for protection because the load capacity is not large. The system usually adopts the ring network to supply power, and the high tension switchgear that uses is generally habitually called looped netowrk cabinet.
The multi-circuit-breaker structure of the ring main unit of the existing urban 10KV distribution network is generally used, the multi-circuit-breaker structure can be installed in the ring main unit, when the phenomena such as short circuit overload and the like occur to equipment in a circuit, the circuit can be timely cut off, safety faults are prevented from occurring, when the device is overhauled and maintained, a shell needs to be pulled out, if the structure on the shell is more, the pulling cabinet can be caused to shake when the device is pulled out, the possibility of unstable gravity is high, the installation foot is caused to fall, and the practicability of the device is influenced.
Chinese patent publication No. CN208539384U discloses a solid insulation ring main unit, which can conveniently overhaul a solid insulation main body and a working component inside a support frame through the support frame, thereby ensuring normal operation of the solid insulation ring main unit.
But when carrying out maintenance work in the above-mentioned scheme, need pull out whole looped netowrk cabinet, be not convenient for overhaul to a certain department.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a stable ring main unit, which can be operated by opening the corresponding main unit in a targeted manner during maintenance work, so that the stability of the ring main unit during maintenance and the practicability of the ring main unit are improved.
In order to solve the technical problems, the invention adopts the technical scheme that:
the stable ring main unit comprises a ring main unit body, wherein the ring main unit body is sequentially provided with a first layer of cabinet, a second layer of cabinet and a third layer of cabinet from top to bottom, the second layer of cabinet comprises a plurality of drawer structures which are arranged in an array mode, and a supporting structure is inserted on the drawer structures in a sliding mode; a plurality of balance adjusting structures are arranged on two sides of the ring main unit body.
The invention relates to a stable ring main unit.A support structure is arranged for supporting a pulled drawer structure, so that the drawer structure can be prevented from shaking after being pulled out, the damage to the drawer structure can be reduced, and the service life of the ring main unit is prolonged; the setting of balance adjustment structure is used for adjusting the balance of looped netowrk cabinet, improves the stability of looped netowrk cabinet.
Preferably, the support structure comprises a support bar slidably inserted on the drawer structure.
Preferably, the supporting structure further comprises a limiting structure arranged on the drawer structure, and the supporting rod is inserted in the limiting structure in a sliding mode. The setting of limit structure can carry on spacingly to the bracing piece, improves the stability in use of bracing piece.
Preferably, the limiting structure comprises a limiting seat and a locking structure inserted on the limiting seat, the supporting rod is inserted in the limiting seat in a sliding manner, and the locking structure abuts against the supporting rod after penetrating through the limiting seat.
Preferably, the bottom of the supporting rod is connected with supporting feet. The contact area of the supporting rod and the ground can be enlarged by the supporting legs, and the stability is improved.
Preferably, a shell for placing the device is arranged on the drawer structure.
Preferably, the balance adjusting structure comprises a guide structure and a height adjusting structure inserted on the guide structure.
Preferably, the height adjusting structure comprises a second screw rod inserted into the guide structure, and a sliding block is rotatably connected to the second screw rod. Threaded connection's setting can be convenient for finely tune through the altitude mixture control structure, improves the regulation precision.
Preferably, the guide structure is provided with a groove matched with the sliding block, and the sliding block is in sliding connection in the groove.
Preferably, the bottom of the sliding block is provided with a cushion block. The setting of cushion can further prevent rocking of looped netowrk cabinet, improves looped netowrk stability.
Compared with the prior art, the invention has the beneficial effects that:
the supporting structure is used for supporting the pulled drawer structure, so that the drawer structure can be prevented from shaking after being pulled out, the damage to the drawer structure can be reduced, and the service life of the ring main unit is prolonged; the setting of balance adjustment structure is used for adjusting the balance of looped netowrk cabinet, improves the stability of looped netowrk cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a stable ring main unit according to the present invention.
Fig. 2 is a schematic structural diagram of the support structure of the present invention.
Fig. 3 is a schematic structural diagram of the balance adjustment structure of the present invention.
The graphic symbols are illustrated as follows:
1-ring main unit, 2-first layer cabinet, 3-second layer cabinet, 31-drawer structure, 311-slide rail, 312-slide plate, 313-convex strip, 32-support structure, 321-support rod, 322-spacing seat, 323-locking structure, 324-support foot, 325-shell, 4-third layer cabinet, 5-balance adjusting structure, 51-guide structure, 511-groove, 52-height adjusting structure, 521-second screw, 522-slide block and 523-cushion block.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1
As shown in fig. 1 to 2, a first embodiment of a stable ring main unit according to the present invention includes a ring main unit 1, the ring main unit 1 is sequentially provided with a first layer cabinet 2, a second layer cabinet 3, and a third layer cabinet 4 from top to bottom, the second layer cabinet 3 includes a plurality of drawer structures 31 arranged in an array, and a support structure 32 is slidably inserted on the drawer structures 31; a plurality of balance adjusting structures 5 are symmetrically arranged on two sides of the bottom of the ring main unit body 1.
The supporting structure 32 is arranged for supporting the pulled-out drawer structure 31, so that the drawer structure 31 can be prevented from shaking after being pulled out, the damage to the drawer structure 31 can be reduced, and the service life of the ring main unit is prolonged; the balance adjustment structure 5 is arranged for adjusting the balance of the ring main unit, and the stability of the ring main unit is improved.
As shown in fig. 1 and 2, the drawer structure 31 includes a sliding plate 312 and sliding rails 311 connected to both sides of the sliding plate 312, the sliding rails 311 are connected to the inside of the second layer cabinet 3; the front end of the sliding plate 312 is connected with a protruding strip 313, and the arrangement of the protruding strip 313 can facilitate the operator to pull out the drawer structure 31.
In addition, the support structure 32 includes a support rod 321 slidably inserted into the drawer structure 31. In this embodiment, the supporting structure 32 further includes a limiting structure disposed on the drawer structure 31, and the supporting rod 321 is inserted into the limiting structure in a sliding manner. The setting of limit structure can carry on spacingly to the bracing piece, improves the stability in use of bracing piece. Specifically, the limiting structure comprises a limiting seat 322 and a locking structure 323 inserted on the limiting seat 322, the supporting rod 321 is inserted in the limiting seat 322 in a sliding manner, and the locking structure 323 abuts against the supporting rod 321 after penetrating through the limiting seat 322. As shown in fig. 2, the position-limiting base 322 is fixedly connected to the upper surface of the sliding plate 312, and the position-limiting base 322 is located at an end close to the protruding strip 313. In this embodiment, the locking structure 323 is a first screw rod, the first screw rod is connected to the limiting seat 322 through a thread, and the locking structure 323 is screwed on the limiting seat 322 through the first screw rod, so that the first screw rod is abutted to the support rod 321, thereby achieving the locking effect on the support rod.
Also, the bottom of the support bar 321 is connected with a support foot 324. The support legs 324 can increase the contact area between the support rod 321 and the ground, thereby improving stability. As shown in fig. 1, two support structures 32 are provided in this embodiment.
Wherein, a housing 325 for placing a device is connected to the upper surface of the slide plate 312. Secondary elements, a comprehensive protection device, a resonance eliminator, a measurement and control meter, a relay, a temperature control and heater, a change-over switch button and other devices, such as a vacuum circuit breaker and the like are arranged in the second-layer cabinet 3, the devices are packaged and arranged in the shell 325, and the vacuum circuit breaker is arranged on the surface of the shell 325 and is convenient for an operator to check. In addition, a circuit breaker, an isolating switch, a load switch, a fuse, a lightning arrester, a current transformer, a voltage transformer and a bus combined current-carrying conductor are arranged in the first layer cabinet 2; a circuit breaker is arranged in the third-layer cabinet 4; the first layer cabinet 2, the second layer cabinet 3 and the third layer cabinet 4 are electrically connected.
When the drawer structure is used, after the drawer structure 31 is pulled out, the locking structure 323 is unscrewed to enable the support rod 321 to slide downwards along the limiting seat 322, and the locking structure 323 is screwed to lock the support rod 321 until the support leg 324 is in contact with the ground. Provide certain holding power for drawer structure 31 through bracing piece 321, can prevent to produce after drawer structure 31 pulls out and rock, also can prevent that drawer structure 31 from dropping, improves drawer structure 31's stability.
Example 2
The embodiment is similar to embodiment 1, except that the balance adjusting structure 5 in the embodiment includes a guiding structure 51 and a height adjusting structure 52 inserted in the guiding structure 51, and the guiding structure 51 is fixedly connected to the ring main unit 1.
The height adjusting structure 52 comprises a second screw 521 inserted in the guiding structure 51, and a sliding block 522 is rotatably connected to the bottom of the second screw 521; the guide structure 51 is connected with the second screw 521 through threads. Specifically, the guiding structure 51 is provided with a groove 511 matching with the slider 522, and the slider 522 can slide in the groove 511. The bottom of the slider 522 is provided with a pad 523. The cushion block 523 is a rubber pad in this embodiment. As shown in fig. 3, the guiding structure 51 is a guiding frame, the groove 511 is located at the bottom of the guiding frame, and the opening of the groove 511 faces downward; the guide frame is provided with a threaded hole for the second screw 521 to pass through. In this embodiment, four balance adjusting structures 5 are provided, which are respectively disposed at four corner positions of the bottom of the ring main unit 1.
During the use, drive slider 522 through rotating second screw 521 and reciprocate for when looped netowrk cabinet main part 1 placed in unevenness's ground, can adjust through balance adjustment structure 5, improve looped netowrk cabinet's stability.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A stable ring main unit comprises a ring main unit body (1), wherein the ring main unit body (1) is sequentially provided with a first layer of cabinet (2), a second layer of cabinet (3) and a third layer of cabinet (4) from top to bottom, and is characterized in that the second layer of cabinet (3) comprises a plurality of drawer structures (31) which are arranged, and a support structure (32) is inserted on the drawer structures (31) in a sliding manner; a plurality of balance adjusting structures (5) are arranged on two sides of the ring main unit body (1).
2. A stabilized ring main unit as claimed in claim 1, wherein said supporting structure (32) comprises a supporting rod (321) slidably inserted on said drawer structure (31).
3. The ring main unit as claimed in claim 2, wherein the supporting structure (32) further comprises a limiting structure disposed on the drawer structure (31), and the supporting rod (321) is slidably inserted into the limiting structure.
4. The ring main unit as claimed in claim 3, wherein the limiting structure comprises a limiting seat (322) and a locking structure (323), the supporting rod (321) is slidably inserted into the limiting seat (322), and the locking structure (323) abuts against the supporting rod (321) after passing through the limiting seat (322).
5. A stabilized ring main unit according to claim 2, wherein the bottom of the supporting rod (321) is connected with a supporting foot (324).
6. A stabilized ring main unit according to claim 1, wherein said drawer structure (31) is provided with a housing (325) for placing devices.
7. A stabilized ring main unit according to claim 1, wherein said balance adjustment structure (5) comprises a guiding structure (51) and a height adjustment structure (52) inserted on said guiding structure (51).
8. The ring main unit as claimed in claim 7, wherein the height adjusting structure (52) comprises a second screw rod (521) inserted into the guiding structure (51), and a sliding block (522) is rotatably connected to the second screw rod (521).
9. A stabilized ring main unit according to claim 8, wherein said guiding structure (51) is provided with a groove (511) matching with the sliding block (522).
10. A stabilizing ring main unit according to claim 1, wherein the bottom of said sliding block (522) is provided with a cushion block (523).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378704.4A CN112366582A (en) | 2020-11-30 | 2020-11-30 | Stable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378704.4A CN112366582A (en) | 2020-11-30 | 2020-11-30 | Stable ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112366582A true CN112366582A (en) | 2021-02-12 |
Family
ID=74535699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011378704.4A Pending CN112366582A (en) | 2020-11-30 | 2020-11-30 | Stable ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204471A (en) * | 2021-12-17 | 2022-03-18 | 常州市兰翔电器有限公司 | Draw-out type low-voltage switch cabinet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202888671U (en) * | 2012-09-21 | 2013-04-17 | 敖锋 | Power distribution cabinet provided with monitoring devices |
| CN104300414A (en) * | 2014-11-14 | 2015-01-21 | 慈溪欧新生物科技有限公司 | Drawer-type power control cabinet assembly capable of dehumidifying |
| CN205509330U (en) * | 2016-04-18 | 2016-08-24 | 国网山东省电力公司郓城县供电公司 | Convenient shock attenuation switch board that removes and fix a position |
| CN206195198U (en) * | 2016-11-29 | 2017-05-24 | 四川万控电气成套有限公司 | Distribution box |
| CN109217144A (en) * | 2018-09-25 | 2019-01-15 | 陈二东 | A kind of vacuum ring main unit |
| CN110829237A (en) * | 2019-11-15 | 2020-02-21 | 广东电网有限责任公司 | Drawer type heat dissipation device |
| CN111431058A (en) * | 2020-04-10 | 2020-07-17 | 杭州电力设备制造有限公司 | Intelligent primary and secondary integrated looped network cabinet |
-
2020
- 2020-11-30 CN CN202011378704.4A patent/CN112366582A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202888671U (en) * | 2012-09-21 | 2013-04-17 | 敖锋 | Power distribution cabinet provided with monitoring devices |
| CN104300414A (en) * | 2014-11-14 | 2015-01-21 | 慈溪欧新生物科技有限公司 | Drawer-type power control cabinet assembly capable of dehumidifying |
| CN205509330U (en) * | 2016-04-18 | 2016-08-24 | 国网山东省电力公司郓城县供电公司 | Convenient shock attenuation switch board that removes and fix a position |
| CN206195198U (en) * | 2016-11-29 | 2017-05-24 | 四川万控电气成套有限公司 | Distribution box |
| CN109217144A (en) * | 2018-09-25 | 2019-01-15 | 陈二东 | A kind of vacuum ring main unit |
| CN110829237A (en) * | 2019-11-15 | 2020-02-21 | 广东电网有限责任公司 | Drawer type heat dissipation device |
| CN111431058A (en) * | 2020-04-10 | 2020-07-17 | 杭州电力设备制造有限公司 | Intelligent primary and secondary integrated looped network cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204471A (en) * | 2021-12-17 | 2022-03-18 | 常州市兰翔电器有限公司 | Draw-out type low-voltage switch cabinet |
| CN114204471B (en) * | 2021-12-17 | 2023-08-04 | 常州市兰翔电器有限公司 | Draw-out type low-voltage switch cabinet |
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Application publication date: 20210212 |
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