CN111917045A - High-low voltage ring main unit - Google Patents
High-low voltage ring main unit Download PDFInfo
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- CN111917045A CN111917045A CN202010789366.7A CN202010789366A CN111917045A CN 111917045 A CN111917045 A CN 111917045A CN 202010789366 A CN202010789366 A CN 202010789366A CN 111917045 A CN111917045 A CN 111917045A
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- Prior art keywords
- wall
- sliding
- cabinet
- clamping
- plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
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- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
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- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- 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
- H02B1/305—Cable entries
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- 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
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
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- 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
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a high-low voltage ring main unit; the intelligent cabinet comprises a cabinet body module, an interlayer drawing plate, an adjusting bracket unit, an upper supporting unit, a sliding module unit and a load switch; the problem that the existing high-voltage ring main unit is complex in internal circuit of the high-low voltage ring main unit in use, and the load switch separately installed in the high-voltage ring main unit is easy to damage the whole load switch in the high-low voltage ring main unit and cause serious harm when a fire source is caused by short circuit sometimes is solved; and current high-low voltage looped netowrk cabinet is not convenient for place on uneven subaerial to and the inside circuit of current high-low voltage looped netowrk cabinet is not convenient for overhaul, can't be convenient for pull inside load switch and adjust load switch's position scheduling problem wherein.
Description
Technical Field
The invention relates to the technical field of electrical engineering, in particular to a high-low voltage ring main unit.
Background
The high-voltage ring main unit is used for improving the power supply reliability, so that a user can obtain power supplies from two directions, and a power supply network is usually connected into a ring. This power supply mode is referred to as ring network power supply for short. In an alternating current 10KV power distribution system of 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 of small load capacity.
The current high-voltage ring main unit mainly has the following problems in use: the circuit inside the high-low voltage ring main unit is complex, and the load switches separately installed inside the high-low voltage ring main unit are easy to damage the whole load switches inside the high-low voltage ring main unit when a fire source is caused by a short circuit sometimes, and cause serious harm; and current high-low voltage looped netowrk cabinet is not convenient for place on uneven subaerial to and the inside circuit of current high-low voltage looped netowrk cabinet is not convenient for overhaul, can't be convenient for pull inside load switch and adjust load switch's position wherein.
In order to improve the installation applicability of the high-voltage ring main unit; the safety of the internal load switch is ensured, and the convenience of overhauling and installing the internal load switch is improved; the invention provides a high-low voltage ring main unit.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the high-low voltage ring main unit comprises a cabinet body module, an interlayer drawing plate, an adjusting bracket unit, an upper supporting unit, a sliding module unit and a load switch; interlayer drawing plates are uniformly arranged in the cabinet body module in a sliding fit mode; rectangular sliding grooves are symmetrically formed in the outer walls of the two sides below the interlayer drawing plate; the adjusting bracket units are uniformly arranged at the lower end of the cabinet body module; the upper end of the solid module is uniformly provided with an upper supporting unit in a movable connection mode, the sliding module units are uniformly arranged at the lower end of the cabinet body module in a sliding fit mode, and the load switches are uniformly arranged on the sliding module units; the upper end of the load switch is limited and fixed through the upper supporting unit; wherein:
the cabinet body module comprises a cabinet, a flexible fan plate, an adjusting spring, a clamping cover and a clamping spring; the outer wall of the rear end of the cabinet is uniformly provided with wire holes, the inner wall of the wire hole of the cabinet is uniformly provided with flexible fan plates through pin shafts, and the outer walls of the flexible fan plates are connected with the inner wall of the wire hole of the cabinet through adjusting springs; the clamping cover is arranged on the outer wall of the rear end of the cabinet through a pin shaft, and the cabinet is connected with the inner wall of the clamping cover through a clamping spring; the clamping cover is of an arc-shaped structure, and the lower end of the clamping cover is uniformly provided with circular through holes which correspond to wire holes in the outer wall of the cabinet one by one; rectangular sliding grooves are symmetrically arranged below the inner wall of the cabinet and correspond to the rectangular sliding grooves on the interlayer drawing plate; the wire connected with the outside penetrates through the wire hole in the outer wall of the cabinet, the sealing performance in the cabinet is kept under the action of the arranged flexible fan plate, and the wire hole uniformly arranged in the outer wall of the rear end of the cabinet is further kept to be sealed through the clamping cover, so that the overall dryness in the cabinet is effectively ensured; prevent that external environment from disturbing the inside harm that causes of rack.
The sliding module unit comprises a sliding pulling plate, a pulling spring, a rubber pressing block and a compression spring; the section of the sliding drawing plate is of a T-shaped structure, and the upper end of the sliding drawing plate is provided with a strip-shaped mounting groove; the side wall of the strip-shaped mounting groove of the sliding pumping plate is symmetrically provided with rubber compression blocks in a sliding fit mode, and the rubber compression blocks are connected with the inner wall of the strip-shaped mounting groove of the sliding pumping plate through compression springs; the outer wall of the rear end of the sliding drawing plate is connected with the inner wall of the rear end of the cabinet through a pulling spring; placing a load switch in a strip-shaped mounting groove of the sliding drawing plate; the side walls of the load switch are extruded and fixed through the rubber compression blocks on the two sides, and when maintenance or wiring is needed, the load switch can be drawn out by drawing the sliding drawing plate, so that an installer can conveniently carry out wiring and maintenance on the load switch; the convenience of the installation personnel is improved.
The adjusting bracket unit comprises an outer supporting sleeve, a limiting column, a limiting clamping block, a limiting spring, an inner supporting block, an adjusting plate, an L-shaped clamping plate, a guide column and an auxiliary spring; the outer supporting sleeve is of a rectangular cavity structure, the inner wall of the top end of the outer supporting sleeve is provided with a limiting column, the lower end of the limiting column is symmetrically provided with limiting clamping blocks in a sliding fit mode, and the limiting clamping blocks are connected with the limiting column through limiting springs; the inner support block is sleeved on the outer wall of the limiting column in a sliding fit mode, and the inner wall of the inner support block is uniformly provided with clamping grooves which are matched with the limiting clamping blocks; the outer wall of the left end of the inner supporting block is provided with a limiting guide groove; an adjusting plate is arranged on the outer wall of the right end of the inner support block; the guide post is arranged at the lower end of the outer support sleeve, and an auxiliary spring is sleeved on the outer wall of the guide post; the L-shaped clamping plate is sleeved on the outer wall of the guide pillar in a sliding fit mode, and one end of the L-shaped clamping plate is matched with the limiting guide groove of the inner supporting block; when the invention is placed at the uneven ground position, the position of the supporting block in the lower end is adjusted by pulling the L-shaped clamping plate open and operating the adjusting plate; the bottom ends of the inner support blocks uniformly arranged at the lower ends are horizontally contacted with the ground, so that the stability of the invention is maintained; the applicability of the invention is effectively improved by the arranged adjusting bracket unit; the invention is convenient to be fixed at any position.
The upper support unit comprises a guide moving column, a support clamping block and an execution spring; the guide moving columns are uniformly arranged on the inner wall of the upper end of the cabinet in a sliding fit mode, the outer walls of the guide moving columns are sleeved with execution springs, and the support clamping blocks are sleeved on the outer walls of the guide moving columns in a sliding fit mode; rectangular grooves are uniformly formed in the lower ends of the supporting clamping blocks; the supporting clamping block is pushed by the executing spring to enable the supporting clamping block to be abutted against the outer wall of the upper end of the load switch, so that the stability of the load switch is kept, and the looseness of the load switch is effectively prevented.
Preferably; the interlayer drawing plate is made of insulating materials, and the outer walls of the upper end and the lower end of the interlayer drawing plate are respectively and uniformly provided with balls in a movable connection mode; the interlayer drawing plate is made of insulating materials, so that the burning of the fire source when the fire source occurs to the adjacent load switches is effectively prevented, the further expansion of the fire source is effectively prevented, and the safety in the use process of the invention is improved.
Preferably; the lower end of the sliding drawing plate is uniformly provided with balls in a sliding fit mode; the lower extreme of taking out the board will slide and evenly be provided with the ball through the sliding fit mode and promoted the motion effect of sliding and taking out the board, the operating personnel of being convenient for takes out the board that slides.
Preferably; the lower end of the supporting clamping block is made of fireproof rubber; the lower end of the supporting clamping block is made of fireproof rubber to avoid the abrasion of the outer wall of the load switch caused by the limit contact with the outer wall of the upper end of the load switch, and the complete structure of the outer wall of the load switch is guaranteed.
According to the invention, the externally connected wires pass through the wire holes in the outer wall of the cabinet, the sealing property in the cabinet is kept under the action of the arranged flexible fan plate, and the wire holes uniformly arranged in the outer wall at the rear end of the cabinet are further kept to be sealed through the clamping cover, so that the integral drying property in the cabinet is effectively ensured; the damage to the inside of the cabinet caused by the interference of the external environment on the inside of the cabinet is prevented;
secondly, the load switch is placed in the strip-shaped mounting groove of the sliding pulling plate; the side walls of the load switch are extruded and fixed through the rubber compression blocks on the two sides, and when maintenance or wiring is needed, the load switch can be drawn out by drawing the sliding drawing plate, so that an installer can conveniently carry out wiring and maintenance on the load switch; the convenience of installation personnel is improved;
when the adjustable support block is placed at a position with uneven ground, the position of the support block in the lower end is adjusted by pulling the L-shaped clamping plate open and operating the adjusting plate; the bottom ends of the inner support blocks uniformly arranged at the lower ends are horizontally contacted with the ground, so that the stability of the invention is maintained; the applicability of the invention is effectively improved by the arranged adjusting bracket unit; the invention is convenient to be fixed at any position.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a sectional view taken along line B-B of fig. 1 in accordance with the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 3, a high-low voltage ring main unit includes a cabinet module 1, an interlayer drawing plate 2, an adjusting bracket unit 3, an upper supporting unit 4, a sliding module unit 5, and a load switch 6; the cabinet body module 1 is internally and uniformly provided with interlayer drawing plates 2 in a sliding fit manner; the interlayer drawing plate 2 is made of insulating materials, the outer walls of the upper end and the lower end of the interlayer drawing plate 2 are respectively and uniformly provided with the balls in a movable connection mode, and the interlayer drawing plate 2 is made of the insulating materials, so that the burning of a fire source when the adjacent load switches 6 generate the fire source is effectively prevented, the further expansion of the fire source is effectively prevented, and the safety in the use process of the invention is improved; rectangular sliding grooves are symmetrically formed in the outer walls of the two sides below the interlayer drawing plate 2; the adjusting bracket units 3 are uniformly arranged at the lower end of the cabinet body module 1; the upper end of the solid module is uniformly provided with upper supporting units 4 in a movable connection mode, the sliding module units 5 are uniformly arranged at the lower end of the cabinet body module 1 in a sliding fit mode, and the load switches 6 are uniformly arranged on the sliding module units 5; the upper end of the load switch 6 is limited and fixed through the upper supporting unit 4; wherein:
the cabinet body module 1 comprises a cabinet 11, a flexible fan plate 12, an adjusting spring 13, a clamping cover 14 and a clamping spring 15; the outer wall of the rear end of the cabinet 11 is uniformly provided with wire holes, the inner wall of the wire hole of the cabinet 11 is uniformly provided with flexible fan plates 12 through pin shafts, and the outer walls of the flexible fan plates 12 are connected with the inner wall of the wire hole of the cabinet 11 through adjusting springs 13; the clamping cover 14 is arranged on the outer wall of the rear end of the cabinet 11 through a pin shaft, and the cabinet 11 is connected with the inner wall of the clamping cover 14 through a clamping spring 15; the clamping cover 14 is of an arc-shaped structure, and the lower end of the clamping cover 14 is uniformly provided with circular through holes which correspond to wire holes in the outer wall of the cabinet 11 one by one; rectangular sliding grooves are symmetrically arranged below the inner wall of the cabinet 11 and correspond to the rectangular sliding grooves on the interlayer drawing plate 2; the wire connected with the outside penetrates through the wire hole on the outer wall of the cabinet 11, the sealing performance inside the cabinet 11 is kept under the action of the arranged flexible fan plate 12, and the wire hole uniformly arranged on the outer wall of the rear end of the cabinet 11 is further kept to be sealed through the clamping cover 14, so that the integral drying performance inside the cabinet 11 is effectively guaranteed; preventing the outside environment from interfering with the inside of the cabinet 11 and causing damage to the inside of the cabinet 11.
The adjusting bracket unit 3 comprises an outer supporting sleeve 31, a limiting column 32, a limiting clamping block 33, a limiting spring 34, an inner supporting block 35, an adjusting plate 36, an L-shaped clamping plate 37, a guide column 38 and an auxiliary spring 39; the outer supporting sleeve 31 is of a rectangular cavity structure, the inner wall of the top end of the outer supporting sleeve 31 is provided with a limiting column 32, the lower end of the limiting column 32 is symmetrically provided with limiting clamping blocks 33 in a sliding fit mode, and the limiting clamping blocks 33 are connected with the limiting column 32 through limiting springs 34; the inner supporting block 35 is sleeved on the outer wall of the limiting column 32 in a sliding fit mode, and the inner wall of the inner supporting block 35 is uniformly provided with clamping grooves matched with the limiting clamping blocks 33; the outer wall of the left end of the inner supporting block 35 is provided with a limiting guide groove; an adjusting plate 36 is arranged on the outer wall of the right end of the inner support block 35; the guide post 38 is arranged at the lower end of the outer support sleeve 31, and an auxiliary spring 39 is sleeved on the outer wall of the guide post 38; the L-shaped clamping plate 37 is sleeved on the outer wall of the guide post 38 in a sliding fit mode, and one end of the L-shaped clamping plate 37 is matched with the limiting guide groove of the inner support block 35; when the invention is placed at the uneven ground position, the position of the lower end inner supporting block 35 is adjusted by pulling the L-shaped clamping plate 37 open and operating the adjusting plate 36; the bottom ends of the inner supporting blocks 35 uniformly arranged at the lower ends are kept in horizontal contact with the ground, so that the stability of the invention is kept; the applicability of the invention is effectively improved by the arranged adjusting bracket unit 3; the invention is convenient to be fixed at any position.
The upper supporting unit 4 comprises a guide moving column 41, a supporting clamping block 42 and an actuating spring 43; the guide post 41 is uniformly arranged on the inner wall of the upper end of the cabinet 11 in a sliding fit manner, the outer wall of the guide post 41 is sleeved with an actuating spring 43, and the support fixture block 42 is sleeved on the outer wall of the guide post 41 in a sliding fit manner; rectangular grooves are uniformly formed in the lower ends of the supporting clamping blocks 42, and the lower ends of the supporting clamping blocks 42 are made of fireproof rubber; the lower end of the supporting fixture block 42 is made of fireproof rubber to avoid abrasion of the outer wall of the load switch 6 in the process of limiting contact with the outer wall of the upper end of the load switch 6, so that the complete structure of the outer wall of the load switch 6 is ensured; the supporting latch 42 is pushed by the actuating spring 43 to make the supporting latch 42 abut against the outer wall of the upper end of the load switch 6, so that the stability of the load switch 6 is maintained, and the looseness of the load switch 6 is effectively prevented.
The sliding module unit 5 comprises a sliding drawing plate 51, a pulling spring 52, a rubber pressing block 53 and a compression spring 54; the cross section of the sliding drawing plate 51 is of a T-shaped structure, and the lower end of the sliding drawing plate 51 is uniformly provided with balls in a sliding fit manner; the lower end of the sliding drawing plate 51 is uniformly provided with the balls in a sliding fit mode, so that the movement effect of the sliding drawing plate 51 is promoted, and an operator can draw the sliding drawing plate 51 conveniently; the upper end of the sliding drawing plate 51 is provided with a strip-shaped mounting groove; the side wall of the strip-shaped mounting groove of the sliding pulling plate 51 is symmetrically provided with rubber pressing blocks 53 in a sliding fit mode, and the rubber pressing blocks 53 are connected with the inner wall of the strip-shaped mounting groove of the sliding pulling plate 51 through compression springs 54; the outer wall of the rear end of the sliding drawing plate 51 is connected with the inner wall of the rear end of the cabinet 11 through a pulling spring 52; placing the load switch 6 in the strip-shaped mounting groove of the sliding drawing plate 51; the side walls of the load switch 6 are extruded and fixed through the rubber compression blocks 53 on the two sides, and when maintenance or wiring is needed, the load switch 6 can be pulled out by pulling the sliding pulling plate 51, so that the wiring and the maintenance of the load switch 6 are facilitated for installation personnel; the convenience of the installation personnel is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high-low voltage ring main unit comprises a main unit module (1), an interlayer drawing plate (2), an adjusting bracket unit (3), an upper supporting unit (4), a sliding module unit (5) and a load switch (6); the method is characterized in that: the cabinet body module (1) is internally and uniformly provided with interlayer drawing plates (2) in a sliding fit manner; rectangular sliding grooves are symmetrically formed in the outer walls of the two sides below the interlayer drawing plate (2); the adjusting bracket units (3) are uniformly arranged at the lower end of the cabinet body module (1); the upper end of the solid module is uniformly provided with upper supporting units (4) in a movable connection mode, the sliding module units (5) are uniformly arranged at the lower end of the cabinet body module (1) in a sliding fit mode, and the load switches (6) are uniformly arranged on the sliding module units (5); the upper end of the load switch (6) is limited and fixed through the upper supporting unit (4); wherein:
the cabinet body module (1) comprises a cabinet (11), a flexible fan plate (12), an adjusting spring (13), a clamping cover (14) and a clamping spring (15); the wire guide holes are uniformly formed in the outer wall of the rear end of the cabinet (11), the inner wall of each wire guide hole of the cabinet (11) is uniformly provided with a flexible fan plate (12) through a pin shaft, and the outer wall of each flexible fan plate (12) is connected with the inner wall of each wire guide hole of the cabinet (11) through an adjusting spring (13); the clamping cover (14) is arranged on the outer wall of the rear end of the cabinet (11) through a pin shaft, and the cabinet (11) is connected with the inner wall of the clamping cover (14) through a clamping spring (15); the clamping cover (14) is of an arc-shaped structure, and the lower end of the clamping cover (14) is uniformly provided with circular through holes which are in one-to-one correspondence with wire holes in the outer wall of the cabinet (11); rectangular sliding grooves are symmetrically arranged below the inner wall of the cabinet (11) and correspond to the rectangular sliding grooves on the interlayer drawing plate (2);
the sliding module unit (5) comprises a sliding drawing plate (51), a pulling spring (52), a rubber pressing block (53) and a compression spring (54); the section of the sliding drawing plate (51) is of a T-shaped structure, and the upper end of the sliding drawing plate (51) is provided with a strip-shaped mounting groove; the side wall of the strip-shaped mounting groove of the sliding pulling plate (51) is symmetrically provided with rubber compression blocks (53) in a sliding fit mode, and the rubber compression blocks (53) are connected with the inner wall of the strip-shaped mounting groove of the sliding pulling plate (51) through compression springs (54); the outer wall of the rear end of the sliding drawing plate (51) is connected with the inner wall of the rear end of the cabinet (11) through a drawing spring (52).
2. The high-low voltage ring main unit according to claim 1, wherein: the adjusting bracket unit (3) comprises an outer supporting sleeve (31), a limiting column (32), a limiting clamping block (33), a limiting spring (34), an inner supporting block (35), an adjusting plate (36), an L-shaped clamping plate (37), a guide column (38) and an auxiliary spring (39); the outer supporting sleeve (31) is of a rectangular cavity structure, a limiting column (32) is arranged on the inner wall of the top end of the outer supporting sleeve (31), limiting clamping blocks (33) are symmetrically arranged at the lower end of the limiting column (32) in a sliding fit mode, and the limiting clamping blocks (33) are connected with the limiting column (32) through a limiting spring (34); the inner supporting block (35) is sleeved on the outer wall of the limiting column (32) in a sliding fit mode, and clamping grooves are uniformly formed in the inner wall of the inner supporting block (35) and matched with the limiting clamping blocks (33); the outer wall of the left end of the inner supporting block (35) is provided with a limiting guide groove; an adjusting plate (36) is arranged on the outer wall of the right end of the inner supporting block (35); the guide post (38) is arranged at the lower end of the outer support sleeve (31), and an auxiliary spring (39) is sleeved on the outer wall of the guide post (38); the L-shaped clamping plate (37) is sleeved on the outer wall of the guide post (38) in a sliding fit mode, and one end of the L-shaped clamping plate (37) is matched with the limiting guide groove of the inner supporting block (35).
3. The high-low voltage ring main unit according to claim 1, wherein: the upper supporting unit (4) comprises a guide moving column (41), a supporting clamping block (42) and an actuating spring (43); the guide moving column (41) is uniformly arranged on the inner wall of the upper end of the cabinet (11) in a sliding fit mode, an actuating spring (43) is sleeved on the outer wall of the guide moving column (41), and the supporting clamping block (42) is sleeved on the outer wall of the guide moving column (41) in a sliding fit mode; the lower ends of the supporting clamping blocks (42) are uniformly provided with rectangular grooves.
4. The high-low voltage ring main unit according to claim 1, wherein: the interlayer drawing plate (2) is made of insulating materials, and balls are uniformly arranged on the outer walls of the upper end and the lower end of the interlayer drawing plate (2) respectively in a movable connection mode.
5. The high-low voltage ring main unit according to claim 1, wherein: the lower end of the sliding drawing plate (51) is evenly provided with balls in a sliding fit mode.
6. The high-low voltage ring main unit according to claim 4, wherein: the lower end of the supporting clamping block (42) is made of fireproof rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789366.7A CN111917045A (en) | 2020-08-07 | 2020-08-07 | High-low voltage ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789366.7A CN111917045A (en) | 2020-08-07 | 2020-08-07 | High-low voltage ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111917045A true CN111917045A (en) | 2020-11-10 |
Family
ID=73283264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010789366.7A Withdrawn CN111917045A (en) | 2020-08-07 | 2020-08-07 | High-low voltage ring main unit |
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| CN (1) | CN111917045A (en) |
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| CN107508161A (en) * | 2017-09-04 | 2017-12-22 | 浙江麦浪电气股份有限公司 | A kind of high-low pressure cabinet for being easily installed wiring |
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| CN207947539U (en) * | 2017-12-26 | 2018-10-09 | 新昌县皇骐电子科技有限公司 | A kind of platform project drawer-type switch cabinet peculiar to vessel |
| CN208723358U (en) * | 2018-05-21 | 2019-04-09 | 江西亚威电气有限公司 | A kind of waterproof and dampproof distribution box |
| CN209553755U (en) * | 2019-03-05 | 2019-10-29 | 云南镁然科技有限公司 | A kind of fire-resistant sealing device |
| CN209896488U (en) * | 2019-06-16 | 2020-01-03 | 山东正大供电设备有限公司 | Complete switch cabinet spare and accessory part fixing device |
-
2020
- 2020-08-07 CN CN202010789366.7A patent/CN111917045A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303087A (en) * | 1995-04-27 | 1996-11-19 | Nifco Inc | Latch locking device |
| CN107508161A (en) * | 2017-09-04 | 2017-12-22 | 浙江麦浪电气股份有限公司 | A kind of high-low pressure cabinet for being easily installed wiring |
| CN207947539U (en) * | 2017-12-26 | 2018-10-09 | 新昌县皇骐电子科技有限公司 | A kind of platform project drawer-type switch cabinet peculiar to vessel |
| CN108462049A (en) * | 2018-02-05 | 2018-08-28 | 广州凯柔进出口贸易有限公司 | A kind of modified intelligent switchboard system |
| CN208723358U (en) * | 2018-05-21 | 2019-04-09 | 江西亚威电气有限公司 | A kind of waterproof and dampproof distribution box |
| CN209553755U (en) * | 2019-03-05 | 2019-10-29 | 云南镁然科技有限公司 | A kind of fire-resistant sealing device |
| CN209896488U (en) * | 2019-06-16 | 2020-01-03 | 山东正大供电设备有限公司 | Complete switch cabinet spare and accessory part fixing device |
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Application publication date: 20201110 |
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