KR20110126905A - Housing system of electric device lay underground - Google Patents

Housing system of electric device lay underground Download PDF

Info

Publication number
KR20110126905A
KR20110126905A KR1020100046417A KR20100046417A KR20110126905A KR 20110126905 A KR20110126905 A KR 20110126905A KR 1020100046417 A KR1020100046417 A KR 1020100046417A KR 20100046417 A KR20100046417 A KR 20100046417A KR 20110126905 A KR20110126905 A KR 20110126905A
Authority
KR
South Korea
Prior art keywords
enclosure
supporter
lid
inner box
ground
Prior art date
Application number
KR1020100046417A
Other languages
Korean (ko)
Other versions
KR101200517B1 (en
Inventor
남상경
한광수
Original Assignee
(주)고려호이스트
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by (주)고려호이스트 filed Critical (주)고려호이스트
Priority to KR20100046417A priority Critical patent/KR101200517B1/en
Publication of KR20110126905A publication Critical patent/KR20110126905A/en
Application granted granted Critical
Publication of KR101200517B1 publication Critical patent/KR101200517B1/en

Links

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
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
    • H02B1/505—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations

Abstract

The present invention is to facilitate the inspection and repair of the control panel accommodated in the enclosure buried in the ground, and to easily replace the dehumidifying agent (say silica gel, etc.),
Underground electrical installation system according to an embodiment of the present invention,
In the underground buried electric device receiving system for receiving an electric device such as a control panel installed on the ground in the ground,
An enclosure having a box shape buried in the ground and open at the top;
A lid which is detachably fixed to seal the opening of the enclosure and which is equipped with an airtight gasket on a mutually close surface;
A supporter having a lower end fixed to an inner bottom of the enclosure;
Sliding coupled to move up and down along the supporter, the upper end is fixed to the inside of the lid, the inner box is equipped with a control panel and dehumidifier,
And lifting means for elevating the enclosure relative to the enclosure.

Description

Housing system of electric device lay underground

The present invention relates to an underground buried electric equipment accommodation system that can accommodate electrical equipment such as distribution boards, traffic signal control panels, transformers, communication distribution boxes (hereinafter referred to as "control panels") installed on power poles or sidewalks. .

More specifically, the present invention relates to an underground embedded electric device accommodation system that enables easy inspection and repair of control panels and the like accommodated in an underground buried enclosure and enables easy replacement of dehumidifying agents and the like.

Underground electrical installation container system according to the prior art shown in Figure 1,

The side and the lower surface of the front direction is sealed, and a part of the upper surface is a buried box (1) such as concrete buried underground in the form of an open manhole,

The moving part 3 which moves the electrical equipment box 2 (so-called "control panel") located inside the buried box 1 to the outside of the buried box 1 through the opening of the upper surface of the buried box 1. Wow,

A control box 4 having a user interface for controlling the movement of the electrical equipment box 2 by the moving unit 3,

It includes a cover (5) for sealing the opening of the upper surface of the buried box (1) in the state that the electrical equipment box (2) is located inside the buried box (1).

In the conventional underground buried electrical equipment container system, when the concrete is used as the above-mentioned buried box (1) material, the work time and work process of concrete forming and curing are increased, so that the cost cost is increased, and the cured weight body is buried. Since a separate construction equipment such as a crane is required to move the box 1 to the burial place, there is a problem that the logistics cost is increased.

In addition, the drive motor 3a and the scissor as the moving unit 3 to raise and lower the support frame 6 with respect to the buried box 1 so as to check the various electrical equipment contained in the electrical equipment box 2 described above. The lift 3b is used. In this case, when the hydraulic motor is used as the driving motor 3a, a separate electric motor or an engine is required as a power source of the hydraulic motor, and thus, the cost cost increases due to the increase in the number of parts.

On the other hand, as the above-described drive motor (3a) and scissor lift (scissor lift) (3b) is installed between the partition 7 and the bottom plate 8, in order to check and repair them when the power source of the hydraulic motor is broken Since the support frame 6 is completely separated from the buried box 1, there is a problem that the aftercare cost is increased.

In addition, a cover 5, which accommodates the control box 4 for controlling the moving unit 3 to move the electrical equipment box 2 described above, protrudes from the ground. This causes a problem that people or vehicles traveling around the container system may cause accidental safety accidents.

Embodiment of the present invention, by forming a container and the lid to accommodate the electrical device made of stainless steel material having a corrosion resistance to shorten the work time to manufacture them, such as a crane when moving the container to the buried place It is related to the underground electric equipment receiving system that does not require the use of construction equipment.

In the embodiment of the present invention, a hydraulic motor or the like that requires a separate power source (such as an electric motor or an engine) is not necessary to lift an inner box in which an electric device or the like is accommodated from an underground enclosure. It is associated with underground installation systems that do not require repair work.

An embodiment of the present invention is to accommodate the underground electric device so that the lid detachable to the opening to seal the container coincides with the height of the ground to prevent the person passing through the surroundings to trip over or collide with the vehicle It is related to the system.

Embodiments of the present invention relate to an underground buried electric equipment receiving system that can improve the aesthetics of a city by receiving electrical devices such as a control panel in the ground and perform repair and inspection of the electric devices on the ground.

Underground electrical installation system according to an embodiment of the present invention,

In the underground buried electric device receiving system for receiving an electric device such as a control panel installed on the ground in the ground,

An enclosure having a box shape buried in the ground and open at the top;

A lid which is detachably fixed to seal the opening of the enclosure and which is equipped with an airtight gasket on a mutually close surface;

A supporter having a lower end fixed to an inner bottom of the enclosure;

Sliding coupled to move up and down along the supporter, the upper end is fixed to the inside of the lid, the control box and the dehumidifier is mounted,

And lifting means for elevating the enclosure relative to the enclosure.

According to a further preferred embodiment, the above-mentioned lifting means

When lifting the inner box with respect to the enclosure using a lifting hook, it may include a locking jaw symmetrically formed on the edge of the lid to hook the lifting hook.

At least one locking hole formed in the upper part of the supporter described above, at least one or more locking hole formed in the lower part of the inner box, the locking hole of the supporter and the locking hole of the inner box corresponding to the lowering of the inner box is fixed to the supporter It may include a locking pin to.

By the above-mentioned lifting means

Spool fixed to at least two places at the bottom of the lid,

An upper pulley fixed to the upper part of the supporter,

A lower pulley fixed to at least two places on the bottom of the inner box,

A pair of power transmission members having one end fixed to the spool and the other end fixed to the spool via the lower pulley, the upper pulley, and the lower pulley in turn, and the enclosure by the power transmission member wound on the spool according to the rotation direction of the spool The vessel may be lifted against.

It may include a power cable that is connected to the control panel of the inner box and the wire tube mounted on the outside of the enclosure so as to conduct conductively, and secured to a length that does not disconnect when lifting the inner box to the outer supporter.

Underground electrical equipment receiving system according to an embodiment of the present invention configured as described above has the following advantages.

The container and the lid to accommodate the electric device in the ground are formed of stainless steel material with corrosion resistance to reduce the cost of work by shortening the manufacturing time, and separate construction such as a crane when the container is moved to the burial place. No use of equipment.

In addition, since the hydraulic motor, which requires a separate power source, is not required to lift an enclosure containing electric devices from the underground buried enclosure, it is unnecessary to check and repair them, thereby reducing cost and after-care costs. can do.

In addition, the lid detachable to the opening so as to seal the container to match the height of the ground, so that people passing through the surroundings to prevent falling or collision of the vehicle in advance to have a reliability and safety.

In addition, by accommodating the electric device such as a control panel installed on the ground in the ground, it is possible to improve the beauty of the city, and to perform the repair and inspection of the electric device on the ground.

1 is a schematic diagram of a underground buried electrical installation container system according to the prior art,
Figure 2 is a schematic diagram of the underground embedded electrical apparatus receiving system according to an embodiment of the present invention,
3 is a plan view of the underground buried electric device accommodation system according to an embodiment of the present invention,
4 is a state of use of the underground buried electric device receiving system according to an embodiment of the present invention,
5 is a schematic view of the lifting means of the underground embedded electrical device receiving system according to an embodiment of the present invention;
6 (a, b) are a plan view and a side view of the lifting means shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily practice the invention, and therefore It does not mean that the technical spirit and scope of the present invention is limited.

Underground electrical apparatus receiving system according to an embodiment of the present invention shown in Figure 2 to 5,

In the underground buried electric device receiving system for receiving an electric device such as a control panel installed on the ground in the ground,

An enclosure 11 having a box shape buried in the ground and having an open top at the same height as the ground height;

A lid 13 detachably fixed to seal an opening of the enclosure 11 and having a gas-tight gasket 12 mounted on a mutually close contact surface;

A supporter 14 (an angle may be used as an example) in which the lower end is welded to the inner bottom of the enclosure 11,

The inner side of the lid 13 is slidingly coupled along the supporter 14, the upper end is welded to the inside of the lid 13, and the control box 15 and the dehumidifying agent 16 (eg, silica gel in solid state, etc.) are mounted. 17),

And elevating means for elevating the enclosure 17 relative to the enclosure 11.

By the above-mentioned lifting means

When the inner case 17 is lifted by the lifting hook 18 with respect to the enclosure 11, it may include a latching jaw 19 symmetrically formed at the edge of the lid 13 so that the lifting hook 17 is caught. Can be.

At least one locking hole (screw or through hole may be formed) 20 formed on the upper part of the supporter 14 described above, and at least one locking hole 21 formed on the lower side of the inner case 17. And, coupled to the locking hole (screw or through-hole can be formed) 20 of the supporter 14 and the locking hole 21 of the inner box 17 corresponding to this, the inner box elevating relative to the enclosure 11 And locking pins (bolts or pins may be used) 22 to secure the support 17 to the supporter 14.

By the above-mentioned lifting means

A spool 25 fixed to at least two places on the bottom of the lid 13,

Upper pulleys 24 and 24a fixed to the upper portion of the supporter 14,

Lower pulleys 31 and 31a fixed to at least two places on the bottom of the inner case 17,

A pair of power transmission in which one end is fixed to the spool 25, and the other end is fixed to the spool 25 via the lower pulleys 31 and 31a, the upper pulleys 24 and 24a, and the lower pulleys 31 and 31a. With the members 26 and 26a, the inner case 17 can be raised and lowered to the enclosure 11 by the power transmission members 26 and 26a which are wound on the spool 25 according to the rotation direction of the spool 25. have.

At this time, the power transmission members 26 and 26a from the spool 25 to the lower pulleys 31 and 31a are composed of two strands, and the power transmission from the lower pulleys 31 and 31a to the upper pulleys 24 and 24a. The members 26 and 26a consist of one strand.

When the control panel 15 of the enclosure 17 and the cable glands 27 mounted outside the enclosure 11 are electrically connected to each other, and the enclosure 17 is lifted against the enclosure 11. It may include a power cable (28) that is secured to the length so as not to be disconnected due to the twist is wound on the outer surface of the supporter (14).

In the figure, reference numeral 29 denotes a fastening member which fixes the lid 13 to the rectangular flange 11a of the enclosure 11, but is seated so that the head does not protrude outward.

Hereinafter, with reference to the accompanying drawings an example of the use of the underground embedded electrical apparatus receiving system according to an embodiment of the present invention will be described in detail.

As shown in FIGS. 3 to 6 (a, b), an enclosure 11 is formed to accommodate an electric device 15 such as an outdoor transformer mounted on a power pole, a dehumidifier 16, and the like, and the enclosure 11 In consideration of the size of the buried in the excavated burial place (11). Enclosure 11 and lid 13 is preferably formed as a stainless steel (STS) material to have corrosion resistance when buried in the ground.

In this case, preferably, when the enclosure 11 is buried in the ground, ribs not shown for strength reinforcement are provided on the outer surface of the enclosure 11 so as to have durability against earth pressure applied from the outside. Can be formed by welding or the like.

Although not shown in the drawing, the surface of the lid 13 described above may be painted in color, or the like, or the material may be changed so as to correspond to the road surface, and the surface of the lid 13 has a non-slip uneven portion or lattice structure. Can be formed.

On the other hand, as the upper surface of the enclosure 11 and the lid 13 is buried so as not to protrude from the height of the ground, it is possible to prevent a person passing through the surroundings from falling or colliding when the vehicle passes.

The lower part of the supporter 14 is fixed to the inner bottom of the aforementioned enclosure 11 by welding or the like, and the upper part of the inner case 17 sliding to the supporter 14 is fixed to the inner bottom of the lid 13 by welding or the like. . By mounting the lid 13 on the flange 11a of the enclosure 11 and fixing them as the fastening member 29, it is possible to prevent the lid 13 from being separated from the enclosure 11.

At this time, the opening of the enclosure 11 can be hermetically sealed by an airtight gasket 12 seated on the mutually close contact surfaces of the flange 11a and the lid 13 of the enclosure 11. That is, as the gap between the flange 11a and the lid 13 is hermetically sealed by the airtight gasket 12 compressed by the fastening force of the fastening member 29, the inside of the enclosure 11 is sealed to provide waterproofness. ), Insect repellent, and moisture-proof.

On the other hand, when checking or repairing the control panel 15 mounted on the inner case 17, or when replacing the dehumidifying agent 16 of the solid state seated in the inner box 17, the dry one, The inner box 17 can be lifted by the lifting means.

That is, as shown in FIGS. 3 and 4, the fastening member 29 which fixes the above-mentioned lid 13 to the enclosure 11 can be loosened, and the inner container 17 can be lifted with respect to the enclosure 11 by elevating means. have. After inserting the lifting hook 18 into the hooking jaw 19 symmetrically formed at the edge of the lid 13, and lifting the lid 13 by using a manpower or a crane, the inner container connected to the bottom of the lid 13 ( 17) is raised while sliding along the supporter (14).

At this time, the inner box 17 is raised so as not to be completely separated from the outer box 11 while maintaining the state coupled to the supporter 14 (maintain the state shown in Figure 4). At this time, after matching the locking hole 20 formed in the lower portion of the inner box 17 and the locking hole 20 formed on the supporter 14, the locking pins 22 are coupled to the coupling holes 20, 21 thereof. Let's do it.

This may maintain the raised height of the enclosure 17 relative to the enclosure 11. When the inner case 17 is lifted with respect to the enclosure 11 as described above, the power cable 18 is twisted because the length of the power cable 18 wound on the outer surface of the supporter 14 is secured so that the cable is not disconnected. Or disconnection due to pulling can be prevented.

Therefore, the inspection and repair of the control panel 15 mounted on the inner case 17 (in this case, the inspection and repair of the control panel 15, etc. are performed in the art, so the detailed description thereof will be omitted.) After checking the state of the solid dehumidifier 16 seated on the tray (not shown), it can be replaced with a new one.

On the other hand, as shown in Figs. 5 and 6 (a, b), it is possible to easily lift the inner box 17 from the aforementioned enclosure 11 by the lifting means. The spool 25 fixed to the inner bottom of the lid 13 may be rotated using the handle 35, or the spool 25 may be rotated using an electric tool using a box spanner (not shown).

As shown in FIG. 6 (b), the worm 36 fixed to the handle 35 is rotated by rotating the spool 25 in the direction of an arrow (that is, rotated counterclockwise) by the handle 35 described above. ) And the worm wheel 38 are engaged with each other to rotate the rotating shaft 37 rotatably supported by the bearing 40. At this time, as the chain 39 orbits by the sprocket 41 fixed to the left and right sides of the rotating shaft 37, the spool 25 fixed to four places under the lid 13 is rotated.

Due to this, one end is fixed to the spool 25 fixed to the bottom of the lid 13, and the other end is lower pulley 31,31a of the inner case 17-upper pulley 24,24a of the supporter 14-. Power transmission members (for example, wire ropes may be used) fixed to the spool 25 via the lower pulleys 31 and 31a of the inner case 17 are wound on the spool 25. do. At this time, the distance between the spool 25 fixed to the lid 13 and the lower pulleys 31 and 31a fixed to the inner box 17 is reduced.

Therefore, the inner case 17 fixed to the bottom of the lid 13 by the power transmission members 26 and 26a wound on the spool 25 is raised while sliding along the supporter 14.

On the contrary, when the spool 25 is rotated in the clockwise direction, the pulleys of the spool 25 and the inner case 17 fixed to the lid 13 are relaxed by the power transmission members 26 and 26a wound on the spool 25. The distance between (31, 31a) becomes far. As a result, the lid 13 is lowered, and thus the inner case 17 fixed to the bottom of the lid 13 is lowered while sliding along the supporter 14.

On the other hand, although not shown in the drawing, the heat generated from the control panel 15 and the like mounted on the sealed inner box 17 is a heat sink formed of aluminum (Al) having excellent thermal conductivity on one side of the lid (13). The heat sink can be radiated to the outside of the enclosure 11 by installing a sink). Since the heat dissipation means is a technical content used in the art, detailed descriptions of their construction and operation are omitted.

According to the underground embedding electric apparatus accommodating system according to an embodiment of the present invention as described above, the production time by forming a container and a lid for accommodating the electrical apparatus and the like in a stainless steel material having corrosion resistance And a hydraulic motor which requires a separate power source to shorten the process and lift the inner box in which the electric device or the like is accommodated from the outer box.

In addition, the lid detachable to seal the container to match the height of the ground to prevent people passing through the road trip or collision of the vehicle in advance, and to accommodate various electrical devices in the ground, such as electrical devices Repair and inspection can be done on the ground.

11; Enclosure
12; gasket
13; Lid
14; supporter
15; panel
16; Dehumidifier
17; Ship box
18; Lifting hook
19; Jaw
20,21; Rocking ball
22; Locking pin
24,24a; Upper pulley
25; spool
26,26a; Power transmission member
27; Cable glands
28; Power cable
31,31a; Lower pulley

Claims (5)

In the underground buried electric equipment receiving system for receiving electric devices such as control panels installed on the ground in the ground:
An enclosure having a box shape embedded in the ground and having an open top;
A lid detachably fixed to seal an opening of the enclosure and a gasket for airtightness mounted on a mutually close contact surface;
A supporter having a lower end fixed to an inner bottom of the enclosure;
A sliding box coupled to move up and down along the supporter and having an upper end fixed to the inside of the lid, and having a control panel and a dehumidifying agent mounted thereon; And
And an elevating means for elevating the inner box with respect to the enclosure. According to claim 1, wherein the lifting means
When the inner box is lifted by the lifting hook with respect to the enclosure, the underground mounting electrical device receiving system, characterized in that it comprises a locking jaw symmetrically formed on the edge of the lid to hang the lifting hook . According to claim 1 or 2, At least one locking hole formed in the upper portion of the supporter, At least one or more locking hole formed in the lower portion of the inner box, Locking hole of the supporter and the locking hole of the inner box corresponding thereto And a locking pin that is coupled to and secured to the supporter, the inner box being elevated relative to the enclosure. According to claim 1, wherein the lifting means
A spool fixed to at least two places on the bottom of the lid,
An upper pulley fixed to an upper portion of the supporter;
A lower pulley fixed to at least two places on the bottom of the inner box,
A pair of power transmission members having one end fixed to the spool and the other end fixed to the spool via the lower pulley, the upper pulley, and the lower pulley,
Underground electrical equipment receiving system, characterized in that for lifting the inner box by the power transmission member wound on the spool in accordance with the rotation direction of the spool. According to claim 1, wherein the control panel of the inner box and the wire canister mounted on the outside of the enclosure is connected to the conductive, the length is secured so as not to be disconnected when lifting the inner box to the outer surface of the supporter Underground electric equipment receiving system, characterized in that it comprises a power cable.
KR20100046417A 2010-05-18 2010-05-18 housing system of electric device lay underground KR101200517B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100046417A KR101200517B1 (en) 2010-05-18 2010-05-18 housing system of electric device lay underground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100046417A KR101200517B1 (en) 2010-05-18 2010-05-18 housing system of electric device lay underground

Publications (2)

Publication Number Publication Date
KR20110126905A true KR20110126905A (en) 2011-11-24
KR101200517B1 KR101200517B1 (en) 2012-11-13

Family

ID=45395781

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20100046417A KR101200517B1 (en) 2010-05-18 2010-05-18 housing system of electric device lay underground

Country Status (1)

Country Link
KR (1) KR101200517B1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101231215B1 (en) * 2012-09-06 2013-02-07 (주)한신콘설탄트 Under ground insulating switch board
KR101256985B1 (en) * 2012-02-23 2013-04-24 강은진 Electric appliance container system for being laid underground manually
KR101300252B1 (en) * 2012-03-09 2013-09-10 김병철 The underground rise and fall system by instrumentation measured supervisory remote and incoming switchboard control panel
US9553287B2 (en) 2013-08-30 2017-01-24 Samsung Sdi Co., Ltd. Battery pack
CN108879450A (en) * 2018-09-28 2018-11-23 琦洲电气有限公司 A kind of ground-embedded box type transformer station
CN109713601A (en) * 2018-12-25 2019-05-03 河南工信柜架集团有限公司 A kind of concealed high-low pressure case change cabinet
KR102156638B1 (en) * 2020-06-15 2020-09-16 주식회사 영화키스톤건축사사무소 Communication network management system of apartment house
CN113840497A (en) * 2021-10-20 2021-12-24 上海勤电信息科技有限公司 Intelligent buried road comprehensive equipment box

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181033B (en) * 2020-02-17 2021-08-03 川力电气有限公司 Electric power high-low voltage switch cabinet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100728073B1 (en) 2007-04-02 2007-06-15 (주)우인기술단 Supply of electric power structure able to distributing wires

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101256985B1 (en) * 2012-02-23 2013-04-24 강은진 Electric appliance container system for being laid underground manually
WO2013125862A1 (en) * 2012-02-23 2013-08-29 주식회사 신이에이씨에스 Passive underground container system for electric equipment
US9265162B2 (en) 2012-02-23 2016-02-16 Eun-jin Kang Manual underground laying type electric equipment container system
KR101300252B1 (en) * 2012-03-09 2013-09-10 김병철 The underground rise and fall system by instrumentation measured supervisory remote and incoming switchboard control panel
KR101231215B1 (en) * 2012-09-06 2013-02-07 (주)한신콘설탄트 Under ground insulating switch board
US9553287B2 (en) 2013-08-30 2017-01-24 Samsung Sdi Co., Ltd. Battery pack
CN108879450A (en) * 2018-09-28 2018-11-23 琦洲电气有限公司 A kind of ground-embedded box type transformer station
CN109713601A (en) * 2018-12-25 2019-05-03 河南工信柜架集团有限公司 A kind of concealed high-low pressure case change cabinet
CN109713601B (en) * 2018-12-25 2023-11-17 河南工信柜架集团有限公司 Hidden high-low pressure case becomes cabinet
KR102156638B1 (en) * 2020-06-15 2020-09-16 주식회사 영화키스톤건축사사무소 Communication network management system of apartment house
CN113840497A (en) * 2021-10-20 2021-12-24 上海勤电信息科技有限公司 Intelligent buried road comprehensive equipment box
CN113840497B (en) * 2021-10-20 2023-08-15 上海勤电信息科技有限公司 Intelligent buried road comprehensive equipment box

Also Published As

Publication number Publication date
KR101200517B1 (en) 2012-11-13

Similar Documents

Publication Publication Date Title
KR101200517B1 (en) housing system of electric device lay underground
KR101256985B1 (en) Electric appliance container system for being laid underground manually
US9862284B2 (en) Pop up electrical apparatus with wireless charging component for electric vehicles
CA2774002C (en) Helicopter emplaceable cart for travel along electrical power lines
US10322916B2 (en) Winch
KR102246336B1 (en) Overhead distribution line support facility equipped with overhead distribution line connection clamps
KR100978210B1 (en) An electric distribution frame up and down system to underground
ES2753231T3 (en) Apparatus and methods for providing high electrical resistance to components of aerial work platform
KR101106236B1 (en) Apparatus and method for live wire using trane truck
US3642096A (en) Insulating liner for man-carrying buckets
CN107946995B (en) A dirt proof chamber for GIS installation and maintenance
KR101475264B1 (en) Power transmission cable insulation support
KR200410907Y1 (en) Telegraph pole having transporter
CN204793709U (en) Block terminal and protective cover thereof
CN114944621B (en) External-breakage-preventing acousto-optic warning device and assembling and disassembling method thereof
CN110676734A (en) GIS (gas insulated switchgear) field construction protection system of transformer substation
US20060042879A1 (en) Vertical track device for raising and lowering fixtures thereon
CN206673327U (en) Lift switching electric installation
KR101784856B1 (en) Temporary structure that is mounted on the deck of a ship
CN203760906U (en) Lifting appliance
CN110817724A (en) Electromagnetic cover opening vehicle for inspection well cover
CN220399528U (en) Intelligent waterproof type tunnel cable grounding circular flow detection device
CN215048133U (en) Protective cover for crane
CN215896098U (en) Fully-sealed transformer protective cover
KR20130028297A (en) Transformer having waterproof function

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E90F Notification of reason for final refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20151106

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20161107

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20171106

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20181106

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20191106

Year of fee payment: 8