CN111446059A - A waterproof construction for burying formula transformer - Google Patents
A waterproof construction for burying formula transformer Download PDFInfo
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- CN111446059A CN111446059A CN202010263480.6A CN202010263480A CN111446059A CN 111446059 A CN111446059 A CN 111446059A CN 202010263480 A CN202010263480 A CN 202010263480A CN 111446059 A CN111446059 A CN 111446059A
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- concrete foundation
- sealing plug
- foundation pit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention belongs to the field of buried transformers, and discloses a waterproof structure for a buried transformer, which comprises a transformer body and a concrete foundation pit, wherein the transformer body is placed in the concrete foundation pit, the concrete foundation pit is arranged in a foundation, an inner bottom wall of the concrete foundation pit is fixedly connected with an installation base, and the transformer body is fixedly installed on the installation base through bolts. This scheme is through round platform shape standing groove, the access cover, the access hole, first sealing plug, mutually supporting of water proof subassembly and raceway, can effectually carry out the separation to the rainwater, effectually prevent that the rainwater from getting into the concrete foundation pit from the gap of access hole and forming more ponding, cause the trouble or the damage of transformer body, and through the concrete ponding groove, the drain pipe, flexible seal assembly, mutually supporting of sprue and water delivery mouth, can realize the emission of ponding in the concrete foundation pit, avoid piling up of ponding to cause the trouble or the damage of transformer body.
Description
Technical Field
The invention relates to the field of buried transformers, in particular to a waterproof structure for a buried transformer.
Background
The buried transformer is installed in a basement or a cellar, can advocate green power, optimizes urban environment, is suitable for streets, expressways, bridges, tunnels and parking lots, is suitable for lighting and power systems of urban environment, airports, ports, tourist attractions and the like, and is particularly suitable for central cities with dense population. The buried transformer is divided into two parts, namely an upper part and a lower part, and the body of the buried transformer is arranged in a pit constructed by concrete without occupying the ground surface space. A high-voltage sleeve well, a low-voltage terminal, a high-voltage load switch, a back-up fuse, a plug-in lightning arrester, a pressure release valve, a vacuum pressure gauge, temperature control and oil level indication are installed on a box cover of the buried transformer, and all the accessories can be observed and operated on the ground. The oil tank is made of stainless steel, and the full-sealing structure and the tank edge sealing welding structure reduce the sealing area as much as possible and can be safely operated in a special environment in the ground for a long time.
However, the buried transformer does not completely solve the safety problem on the foundation pit, so the buried transformer is greatly influenced in the aspect of transformation of the urban power grid into the ground, if the buried transformer faces a humid and cool environment, accumulated water is very easily formed in the foundation pit of the buried transformer, if the accumulated water is timely removed, the transformer can be damaged, rainwater can flow into the foundation pit through a gap between an access hole and an access cover on the foundation pit in rainy days, internal accumulated water is caused, the insulation of the transformer is troublesome, and the waterproof structure for the buried transformer is provided.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a waterproof structure for an underground transformer, which solves the problems that the underground transformer is in a relatively humid and cool environment, accumulated water is easily formed in a foundation pit in which the transformer is embedded, the transformer is damaged if accumulated water cloth is removed in time, and rainwater flows into the foundation pit through a gap between an access hole and an access cover on the foundation pit in rainy days to cause internal accumulated water and bring troubles to the insulation of the transformer.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A waterproof structure for an underground transformer comprises a transformer body and a concrete foundation pit, wherein the transformer body is placed in the concrete foundation pit, the concrete foundation pit is arranged in a foundation, an installation base is fixedly connected to the inner bottom wall of the concrete foundation pit, the transformer body is fixedly installed on the installation base through bolts, a round platform-shaped placing groove is arranged at the top of the concrete foundation pit, an access cover matched with the round platform-shaped placing groove is arranged inside the round platform-shaped placing groove, an access hole is formed in the inner bottom wall of the round platform-shaped placing groove and communicated with the inside of the concrete foundation pit, a first sealing plug matched with the access hole is arranged inside the access hole, the top of the first sealing plug is fixedly connected with the bottom of the access cover, a water-isolating component is arranged at the bottom of the access cover and on the outer side of the first sealing plug, water conveying pipes are embedded in the left side and the right side of the concrete foundation pit and positioned on the foundation pit, the water-resisting component is communicated with the two water conveying pipes;
the left side of diapire is provided with the concrete ponding groove rather than being linked together in the concrete foundation ditch, the left below in concrete ponding groove inlays and is equipped with the drain pipe, the left end of drain pipe extends to in the ground, the inside of drain pipe is provided with flexible seal assembly, the right side fixedly connected with sprue of drain pipe, the sprue inlays and establishes in the concrete foundation ditch and rather than fixed connection, set up the water delivery mouth of left and right sides intercommunication on the sprue, flexible seal assembly extends to the inside of water delivery mouth.
Preferably, the water proof subassembly includes ring groove, ring groove is located the outside of access hole and communicates with the interior diapire wall of round platform shape standing groove, ring groove's inside joint has the annular fixture block rather than the adaptation, the top of annular fixture block and the bottom fixed connection of access cover, the limbers that the slope set up are all seted up to the top of concrete foundation ditch both sides, two the one end that the limbers is close to communicates with ring groove respectively, two the one end that the limbers deviates from communicates with two raceway respectively.
Preferably, flexible seal assembly include with the movable block of drain pipe looks adaptation, the left side fixedly connected with second sealing plug of movable block, the right side of second sealing plug extends to the inside of water pipe mouth, second sealing plug and water pipe mouth looks adaptation, the through hole that is cyclic annular evenly distributed is seted up in the left side of movable block and the outside that is located the second sealing plug, the left side of movable block just corresponds second sealing plug fixedly connected with expanding spring, expanding spring's left end fixedly connected with locating piece, the top and the bottom of locating piece respectively with the interior roof and the interior diapire fixed connection of drain pipe, the longitudinal section area of locating piece is less than the drain pipe.
Preferably, the outside of transformer body is provided with anticorrosive protection layer, anticorrosive protection layer includes the bonderizing priming paint layer, the solventless epoxy intermediate level is installed to one side that the bonderizing priming paint layer is close to the transformer body, the high temperature resistant coating is installed to one side that the solventless epoxy intermediate level is close to the transformer body.
Preferably, L-shaped rods are fixedly connected to the left side of the movable block and above and below the extension spring, and one ends of the L-shaped rods, which are far away from the movable block, penetrate through and extend to the left side of the positioning block respectively.
Preferably, the corners of the first sealing plug and the second sealing plug close to the inner cavity of the concrete foundation pit are arc-shaped.
Preferably, the L-shaped rod is sleeved with an auxiliary spring, and the left end and the right end of the auxiliary spring are respectively and fixedly connected with the opposite sides of the movable block and the positioning block.
Preferably, the left side of sprue and the cover are established and are connected with sealed the pad on the second sealing plug fixedly, the right side of movable block offsets with sealed the pad.
Preferably, the inner bottom wall of the concrete foundation pit is obliquely arranged, and the depth of the left side of the inner bottom wall is deeper than that of the right side of the inner bottom wall.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through round platform shape standing groove, the access cover, the access hole, first sealing plug, mutually supporting of water proof subassembly and raceway, can effectually carry out the separation to the rainwater, effectually prevent that the rainwater from getting into the concrete foundation pit from the gap of access hole and forming more ponding, cause the trouble or the damage of transformer body, and through the concrete ponding groove, the drain pipe, flexible seal assembly, mutually supporting of sprue and water delivery mouth, can realize the emission of ponding in the concrete foundation pit, avoid piling up of ponding to cause the trouble or the damage of transformer body.
(2) Through mutually supporting of ring groove and annular fixture block, can realize the quick installation and the dismantlement of access cover, and during the rainy day, the rainwater can get into ring groove through the gap between access cover and the round platform shape standing groove in, lets in the interior discharge of delivery pipe through the water vent again to thereby effectively prevent in the rainwater gap enters into the concrete foundation ditch.
(3) When there is ponding in the concrete ponding groove, under hydraulic effect, the second sealing plug receives power left, make the expanding spring atress shrink, and then take the movable block to move left, the water delivery mouth separation on second sealing plug and the sprue, and then make ponding get into the discharge in the drain pipe through the through hole, when there is no ponding in the concrete ponding groove, the atress cancellation left of second sealing plug, expanding spring resets, and then drive the movable block and reset, then make to be in encapsulated situation between second sealing plug and the sprue.
(4) Effectively prevent the transformer body by the corruption through anticorrosive protection layer, wherein the adhesion force of bonderizing priming paint layer multiplicable organic coating and metal surface prevents the corrosion, scribbles solvent-free epoxy intermediate level simultaneously, becomes thick, and it is splendid to coat film compactness, can effectively support corrosive medium such as water, oxygen and permeate through the coating and corrode steel, and high temperature resistant coating has good oil resistance, acid-resistant alkali-resistant makes the corrosion-resistant heat-resisting ability on transformer body surface strengthen greatly.
(5) The arrangement of the two L-shaped rods can effectively limit and guide the movable block, and prevent the second sealing plug from being incapable of normally resetting due to uneven stress of the movable block.
(6) Through the auxiliary spring, when no water is accumulated, the auxiliary expansion spring enables the movable block to reset, and the second sealing plug is ensured to be in close contact with the water delivery port.
(7) The inner bottom wall of the concrete foundation pit is obliquely arranged, and the left depth is deeper than the right side, so that water in the foundation pit flows into the concrete water accumulating tank quickly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a bottom view of the access cover in connection with the first sealing plug of the present invention;
FIG. 4 is an enlarged view of FIG. 1 taken at B in accordance with the present invention;
FIG. 5 is a side view of the movable block connected to the through hole in the present invention;
FIG. 6 is a schematic view of the connection between the anticorrosion protection layer and the transformer body.
The reference numbers in the figures illustrate:
1. the transformer comprises a transformer body, 2 a concrete foundation pit, 3 an installation base, 4 a truncated cone-shaped placing groove, 5 an access cover, 6 an access opening, 7 a first sealing plug, 8 a waterproof component, 81 an annular clamping groove, 82 an annular clamping block, 83 a water through hole, 9 a water delivery pipe, 10 a concrete water accumulation groove, 11 a water discharge pipe, 12 a telescopic sealing component, 121 a movable block, 122 a second sealing plug, 123 a through hole, 124 a telescopic spring, 125 a positioning block, 13 a blocking block, 14 a water delivery opening, 15 an anti-corrosion protective layer, 151 a phosphating primer layer, 152 a solvent-free epoxy intermediate layer, 153 a high-temperature resistant coating, 16 and L-shaped rods, 17 an auxiliary spring, 18 a sealing gasket.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, a waterproof structure for an underground transformer comprises a transformer body 1 and a concrete foundation pit 2, wherein the transformer body 1 is placed in the concrete foundation pit 2, the concrete foundation pit 2 is arranged in a foundation, an installation base 3 is fixedly connected to the inner bottom wall of the concrete foundation pit 2, the transformer body 1 is fixedly installed on the installation base 3 through bolts, a truncated cone-shaped placing groove 4 is arranged at the top of the concrete foundation pit 2, an access cover 5 adapted to the truncated cone-shaped placing groove 4 is arranged inside the truncated cone-shaped placing groove 4, an access opening 6 is formed in the inner bottom wall of the truncated cone-shaped placing groove 4, the access opening 6 is communicated with the inside of the concrete foundation pit 2, a first 7 adapted to the access opening 6 is arranged inside the access opening 6, the top of the first sealing plug 7 is fixedly connected to the bottom of the access cover 5, a water-isolating assembly 8 is arranged at the bottom of the access cover 5 and outside the first sealing plug 7, the left and right sides of concrete foundation ditch 2 just is located the ground plane and inlays and be equipped with raceway 9, water proof subassembly 8 and two 9 intercommunications of raceway, through round platform shape standing groove 4, access cover 5, access hole 6, first sealing plug 7, mutually supporting of water proof subassembly 8 and raceway 9, can effectually carry out the separation to the rainwater, effectually prevent that the rainwater from getting into concrete foundation ditch 2 from forming more ponding in the gap of access hole 6, cause transformer body 1's trouble or damage.
The left side of the bottom wall in the concrete foundation pit 2 is provided with a concrete water accumulation groove 10 communicated with the concrete water accumulation groove, the side length of the cross section of the concrete water accumulation groove 10 is fifty millimeters square, the depth of the concrete water accumulation groove 10 is about two meters, a drain pipe 11 is embedded below the left side of the concrete water accumulation groove 10, the left end of the drain pipe 11 extends into a foundation, a telescopic sealing component 12 is arranged inside the drain pipe 11, the right side of the drain pipe 11 is fixedly connected with a block 13, the block 13 is embedded in the concrete foundation pit 2 and fixedly connected with the same, a water conveying port 14 communicated with the left side and the right side is arranged on the block 13, the telescopic sealing component 12 extends into the water conveying port 14, through the mutual matching of the concrete water accumulating tank 10, the drain pipe 11, the telescopic sealing component 12, the blocking block 13 and the water delivery port 14, the discharge of ponding in the concrete foundation ditch 2 can be realized, the pile up of avoiding ponding to cause the trouble or the damage of transformer body 1.
Further, the water blocking assembly 8 comprises an annular clamping groove 81, the annular clamping groove 81 is located on the outer side of the access opening 6 and is communicated with the inner bottom wall of the circular truncated cone-shaped placing groove 4, an annular clamping block 82 matched with the annular clamping groove 81 is clamped inside the annular clamping groove 81, the top of the annular clamping block 82 is fixedly connected with the bottom of the access cover 5, water through holes 83 which are obliquely arranged are formed in the upper portions of the two sides of the concrete foundation pit 2, the ends, close to the two water through holes 83, of the two water through holes are respectively communicated with the annular clamping groove 81, the ends, away from the two water through holes 83, of the two water through holes are respectively communicated with the two water conveying pipes 9 and are matched with, can realize the quick installation and the dismantlement of access cover 5, and during the rainy day, the rainwater can get into ring groove 81 through the gap between access cover 5 and the round platform shape standing groove 4 in, let in discharging in raceway 9 through the water vent 83 again to thereby effectively prevent that the rainwater gap from entering into in concrete foundation ditch 2.
Further, the telescopic sealing assembly 12 includes a movable block 121 adapted to the drainage pipe 11, a second sealing plug 122 is fixedly connected to the left side of the movable block 121, the right side of the second sealing plug 122 extends into the water delivery port 14, the second sealing plug 122 is adapted to the water delivery port 14, through holes 123 uniformly distributed in a ring shape are formed in the left side of the movable block 121 and located on the outer side of the second sealing plug 122, a telescopic spring 124 is fixedly connected to the left side of the movable block 121 and corresponding to the second sealing plug 122, a positioning block 125 is fixedly connected to the left end of the telescopic spring 124, the top and the bottom of the positioning block 125 are respectively fixedly connected to the inner top wall and the inner bottom wall of the drainage pipe 11, the longitudinal cross-sectional area of the positioning block 125 is smaller than that of the drainage pipe 11, when there is accumulated water in the concrete water accumulation tank 10, the second sealing plug 122 is forced leftward by water pressure, so that the telescopic spring 124 is, until the second sealing plug 122 is separated from the water delivery port 14 on the block 13, accumulated water enters the water discharge pipe 11 through the through hole 123 and is discharged, when no accumulated water exists in the concrete water accumulation tank 10, the left stress of the second sealing plug 122 is cancelled, the expansion spring 124 is reset, the movable block 121 is driven to reset, and then the second sealing plug 122 and the block 13 are in a sealing state.
Further, the outside of transformer body 1 is provided with anticorrosive protection layer 15, anticorrosive protection layer 15 includes bonderizing priming paint layer 151, solventless epoxy intermediate layer 152 is installed to one side that bonderizing priming paint layer 151 is close to transformer body 1, solventless epoxy intermediate layer 152 is close to one side of transformer body 1 and installs high temperature resistant coating 153, prevent effectively that transformer body 1 from being corroded through anticorrosive protection layer 15, wherein bonderizing priming paint layer 151 can increase the adhesive force on organic coating and metal surface, prevent the corrosion, scribble solventless epoxy intermediate layer 152 simultaneously, become thick, it is splendid to coat film compactness, can effectively support water, oxygen etc. corrosive medium sees through the coating and corrodes the steel, high temperature resistant coating 153 has good oil-proof ability, acid and alkali resistance makes the corrosion and heat resistance ability on transformer body 1 surface strengthen greatly.
Furthermore, L-shaped rods 16 are fixedly connected to the left side of the movable block 121 and above and below the extension spring 124, one ends of the two L-shaped rods 16, which are far away from the movable block 121, penetrate and extend to the left side of the positioning block 125 respectively, and the two L-shaped rods 16 are arranged, so that the movable block 121 can be effectively limited and guided, and the second sealing plug 122 is prevented from being normally reset due to uneven stress on the movable block 121.
Furthermore, the corners of the first sealing plug 7 and the second sealing plug 122 close to the inner cavity of the concrete foundation pit 2 are arc-shaped, so that the first sealing plug 7 and the second sealing plug 122 can conveniently get in and out of the service opening 6 and the water delivery opening 14.
Furthermore, an auxiliary spring 17 is sleeved on the L-shaped rod 16, the left end and the right end of the auxiliary spring 17 are respectively and fixedly connected with the opposite sides of the movable block 121 and the positioning block 125, and the auxiliary extension spring 124 can reset the movable block 121 when no water is accumulated through the auxiliary spring 17, so that the second sealing plug 122 is ensured to be in close contact with the water delivery port 14.
Further, the left side of the blocking block 13 is sleeved on the second sealing plug 122, and the sealing gasket 18 is fixedly connected to the blocking block 13, and the right side of the movable block 121 abuts against the sealing gasket 18, so that the sealing effect between the movable block 121 and the blocking block 13 is enhanced.
Further, the inner bottom wall of the concrete foundation pit 2 is obliquely arranged, and the depth of the left side is deeper than that of the right side, so that water in the foundation pit can quickly flow into the concrete water collecting groove 10.
The working principle is as follows: when the transformer body 1 is used, the first sealing plug 7 and the access opening 6 are plugged in, and the annular clamping groove 81 and the annular clamping block 82 are clamped, so that rainwater enters the annular clamping groove 81 through a gap between the access cover 5 and the circular truncated cone-shaped placing groove 4 in rainy days and then is introduced into the water delivery pipe 9 through the water through holes 83 to be discharged, and therefore the rainwater is effectively blocked, and the rainwater is effectively prevented from entering the concrete foundation pit 2 from the gap of the access opening 6 to form more accumulated water to cause the fault or damage of the transformer body 1;
and when there is ponding in the concrete ponding groove 10, under hydraulic effect, second sealing plug 122 receives power to the left, make expanding spring 124 atress shrink, and then take movable block 121 to move left, until second sealing plug 122 and the water delivery port 14 on the sprue 13 separate, and then make ponding discharge in getting into drain pipe 11 through hole 123, when there is not ponding in the concrete ponding groove 10, the atress cancellation to the left of second sealing plug 122, expanding spring 124 resets, and then drive movable block 121 and reset, then make to be in encapsulated situation between second sealing plug 122 and the sprue 13, thereby play fine waterproof water proof effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a waterproof construction for burying formula transformer, includes transformer body (1) and concrete foundation ditch (2), its characterized in that: the transformer body (1) is placed in a concrete foundation pit (2), the concrete foundation pit (2) is arranged in a foundation, the inner bottom wall fixedly connected with mounting base (3) of the concrete foundation pit (2), the transformer body (1) is fixedly mounted on the mounting base (3) through bolts, the top of the concrete foundation pit (2) is provided with a circular truncated cone-shaped placing groove (4), the inside of the circular truncated cone-shaped placing groove (4) is provided with an access cover (5) matched with the circular truncated cone-shaped placing groove, the inner bottom wall of the circular truncated cone-shaped placing groove (4) is provided with an access opening (6), the access opening (6) is communicated with the inside of the concrete foundation pit (2), the inside of the access opening (6) is provided with a first sealing plug (7) matched with the access opening (6), the top of the first sealing plug (7) is fixedly connected with the bottom of the access cover (5), and the outside of the access cover (5) located the first sealing plug (7) is provided with a water-resisting assembly (8) ) The water-resisting assembly (8) is communicated with the two water pipes (9);
the left side of diapire is provided with concrete ponding groove (10) rather than being linked together in concrete foundation ditch (2), the left below of concrete ponding groove (10) inlays and is equipped with drain pipe (11), the left end of drain pipe (11) extends to in the ground, the inside of drain pipe (11) is provided with flexible sealing component (12), the right side fixedly connected with sprue (13) of drain pipe (11), sprue (13) inlay establish in concrete foundation ditch (2) and rather than fixed connection, water delivery port (14) of intercommunication about seting up on sprue (13), flexible sealing component (12) extend to the inside of water delivery port (14).
2. The waterproof structure for the buried transformer according to claim 1, wherein: water proof subassembly (8) include ring groove (81), ring groove (81) are located the outside of access hole (6) and communicate with the interior diapire of round platform shape standing groove (4), ring groove's (81) inside joint has annular fixture block (82) rather than the adaptation, the top of annular fixture block (82) and the bottom fixed connection of access cover (5), limbers (83) that the slope set up are all seted up to the top of concrete pit (2) both sides, two one end that limbers (83) are close to mutually communicates with ring groove (81) respectively, two the one end that limbers (83) deviate from mutually communicates with two raceway (9) respectively.
3. The waterproof structure for the buried transformer according to claim 1, wherein: the telescopic sealing component (12) comprises a movable block (121) matched with the drain pipe (11), a second sealing plug (122) is fixedly connected to the left side of the movable block (121), the right side of the second sealing plug (122) extends to the interior of the water delivery port (14), the second sealing plug (122) is matched with the water delivery port (14), through holes (123) which are uniformly distributed in an annular shape are formed in the left side of the movable block (121) and positioned on the outer side of the second sealing plug (122), an extension spring (124) is fixedly connected to the left side of the movable block (121) and corresponds to the second sealing plug (122), the left end fixedly connected with locating piece (125) of expanding spring (124), the top and the bottom of locating piece (125) respectively with interior roof and interior diapire fixed connection of drain pipe (11), the longitudinal section area of locating piece (125) is less than drain pipe (11).
4. The waterproof structure for the buried transformer according to claim 1, wherein: the outside of transformer body (1) is provided with anticorrosive protection layer (15), anticorrosive protection layer (15) are including bonderizing priming paint layer (151), solventless epoxy intermediate level (152) are installed to one side that bonderizing priming paint layer (151) are close to transformer body (1), high temperature resistant coating (153) are installed to one side that solventless epoxy intermediate level (152) are close to transformer body (1).
5. The waterproof structure for the buried transformer according to claim 3, wherein L-shaped rods (16) are fixedly connected to the left side of the movable block (121) above and below the extension spring (124), and one ends of the two L-shaped rods (16) far away from the movable block (121) penetrate through and extend to the left side of the positioning block (125) respectively.
6. The waterproof structure for the buried transformer according to claim 3, wherein: the corners of the first sealing plug (7) and the second sealing plug (122) close to the inner cavity of the concrete foundation pit (2) are arc-shaped.
7. The waterproof structure for the buried transformer according to claim 4, wherein the L-shaped rod (16) is sleeved with an auxiliary spring (17), and the left end and the right end of the auxiliary spring (17) are respectively and fixedly connected with the opposite sides of the movable block (121) and the positioning block (125).
8. The waterproof structure for the buried transformer according to claim 3, wherein: the left side of sprue (13) and the cover establish fixedly connected with sealed pad (18) on second sealing plug (122), the right side and the sealed pad (18) of movable block (121) offset.
9. The waterproof structure for the buried transformer according to claim 1, wherein: the inner bottom wall of the concrete foundation pit (2) is obliquely arranged, and the depth of the left side of the inner bottom wall is deeper than that of the right side of the inner bottom wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010263480.6A CN111446059B (en) | 2020-04-07 | 2020-04-07 | A waterproof construction for burying formula transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263480.6A CN111446059B (en) | 2020-04-07 | 2020-04-07 | A waterproof construction for burying formula transformer |
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| CN111446059A true CN111446059A (en) | 2020-07-24 |
| CN111446059B CN111446059B (en) | 2021-02-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038049A (en) * | 2020-09-07 | 2020-12-04 | 吉林建筑科技学院 | Anti-theft device for transformer of electric heating system |
| CN113200644A (en) * | 2021-04-21 | 2021-08-03 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Automatic water circulating system of steam power plant |
| CN113293801A (en) * | 2021-05-24 | 2021-08-24 | 浙江宁溢电力工程设计咨询有限公司 | Power cable pipe arrangement working well and construction method thereof |
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| CN209873930U (en) * | 2019-02-13 | 2019-12-31 | 安徽富通环保节能科技股份有限公司 | Rainwater collection device for urban underground pipe gallery |
| CN209929093U (en) * | 2019-04-10 | 2020-01-10 | 保定市天利变压器有限公司 | Transformer with good heat dissipation |
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| CN205248038U (en) * | 2015-12-23 | 2016-05-18 | 绍兴鑫科环保工程有限公司 | Heat -proof transformer case anticorrosives |
| CN106159770A (en) * | 2016-08-25 | 2016-11-23 | 国网山东省电力公司阳信县供电公司 | A kind of buried substation of band emergency alarm device |
| CN107221409A (en) * | 2017-08-02 | 2017-09-29 | 深圳柒祁祺商贸有限公司 | A kind of transformer with damping, waterproof and heat sinking function |
| CN208173356U (en) * | 2018-05-23 | 2018-11-30 | 苏变电气股份有限公司 | A kind of Covered transformer with anti-corrosion function |
| CN209626722U (en) * | 2018-06-15 | 2019-11-12 | 国网湖北省电力有限公司黄石供电公司 | Buried transformer station box pre-buried structure |
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| CN209457116U (en) * | 2018-12-20 | 2019-10-01 | 苏州安泰变压器有限公司 | A kind of underground box change urgent drainage hole preventing clogging up device of supply and drain water system |
| CN209873930U (en) * | 2019-02-13 | 2019-12-31 | 安徽富通环保节能科技股份有限公司 | Rainwater collection device for urban underground pipe gallery |
| CN209929093U (en) * | 2019-04-10 | 2020-01-10 | 保定市天利变压器有限公司 | Transformer with good heat dissipation |
| CN209844384U (en) * | 2019-06-03 | 2019-12-24 | 福建省亿方圆电力工程设计有限公司 | Waterproof box type transformer embedded underground |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112038049A (en) * | 2020-09-07 | 2020-12-04 | 吉林建筑科技学院 | Anti-theft device for transformer of electric heating system |
| CN113200644A (en) * | 2021-04-21 | 2021-08-03 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Automatic water circulating system of steam power plant |
| CN113293801A (en) * | 2021-05-24 | 2021-08-24 | 浙江宁溢电力工程设计咨询有限公司 | Power cable pipe arrangement working well and construction method thereof |
| CN113293801B (en) * | 2021-05-24 | 2022-10-14 | 浙江宁溢电力工程设计咨询有限公司 | Power cable pipe arrangement working well and construction method thereof |
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