CN113328368B - Waterproof box-type substation - Google Patents

Abstract

The invention discloses a waterproof box-type substation, which comprises a main box body, wherein a working plate is arranged in the main box body, the working plate is internally provided with a working cavity, the invention communicates air through the air inlet pipeline to enter the wind power heat dissipation cavity and finally discharges the air outwards through the exhaust pipeline, in the process, air flowing in the wind power heat dissipation cavity exchanges heat through the fixed heat dissipation plate and carries away heat energy generated when the distributor works, thereby realizing the heat dissipation effect and further improving the working efficiency of the distributor, when meeting strong precipitation weather and meeting the accumulation and rise of the water level on the road surface, the height of the fixed base plays a role of waterproof protection to the rising of the water level, and the lifting plate moves upwards under the action of the buoyancy of the water level in the process of continuously rising the water level, and the sealing plate is driven to move downwards and seal the left side and the right side of the heat dissipation cavity, so that the effect of completely sealing the communication part between the main box body and the outside is realized.

Description

Waterproof box-type substation

Technical Field

The invention relates to the technical field of box-type substations, in particular to a waterproof box-type substation.

Background

Box-type substation plays crucial effect in city electric wire netting construction and transformation, general box-type substation lays in the road both sides, be used for replacing original civil engineering distribution electrical room etc. become neotype complete set transformer substation, and in the moist area of weather, and be located the coastal city, when meeting with the great weather of rainfall, the water-proof measurements of transformer substation becomes especially important, and when partial city meets with the flood, if water-proof measurements are not in place at the transformer substation, not only can cause past personnel to electrocute, also can cause the power supply function really, influence city power consumption.

Disclosure of Invention

The invention aims to provide a waterproof box-type substation, which is used for overcoming the defects in the prior art.

The invention relates to a waterproof box-type substation, which comprises a main box body, wherein a working plate is arranged in the main box body, a working cavity is arranged in the working plate, a distributor for power transformation and distribution is fixedly arranged at the lower wall in the working cavity, heat exchange plates which are symmetrical on two sides are fixedly arranged on the left side wall and the right side wall of the working cavity, a spirally-coiled heat dissipation water pipe is arranged in each heat exchange plate, a water inlet pipeline is communicated with the upper side of each heat dissipation water pipe, water inlet funnels which are symmetrical on two sides and have upward openings are arranged on the upper end surface of the main box body, the water inlet funnels are communicated with the water inlet pipeline, a filter plate is fixedly arranged at the communication part of the water inlet funnels and the water inlet pipeline, a drainage pipeline with an outward opening is communicated with the lower wall of each heat dissipation water pipe, switch cavities are communicated with the upper wall and the lower wall of the drainage pipeline, switch plates capable of moving up and down are arranged in the switch cavities, and fixed heat dissipation plates are fixedly arranged on the rear wall in the working cavity, the upper side in the rear wall of the working cavity is provided with a fan cavity with a backward opening, a rotary fan is rotatably arranged in the fan cavity, the front side in the lower wall of the fan cavity is provided with a wind power heat dissipation cavity, an air inlet pipeline is communicated between the upper side of the rear wall of the wind power heat dissipation cavity and the lower wall of the fan cavity, the lower side of the left wall of the wind power heat dissipation cavity is communicated with an exhaust pipeline with a leftward opening, the end surface of the main box body is fixedly provided with a fixed base for supporting effect, an upper floating cavity with a forward opening is arranged in the fixed base, a lifting plate capable of moving up and down is arranged in the upper floating cavity, the density of the lifting plate is less than that of water, the front side of the working cavity is communicated with a turnover cavity with a forward opening, a support shaft with bilateral symmetry is rotatably arranged between the upper wall and the lower wall of the turnover cavity, the outer circular surface of the support shaft is fixedly connected with a turnover plate capable of turning over, and heat dissipation cavities with outward openings and distributed in a matrix arrangement are arranged in the left wall and the right wall of the working cavity, the heat dissipation device is characterized in that a closed cavity is communicated with the inside of the heat dissipation cavity, a closed plate capable of moving up and down is arranged in the closed cavity, the left side and the right side of the heat dissipation cavity can be closed by the downward movement of the closed plate, and a lifting pull rope is fixedly connected to the upper end face of the closed plate.

According to the technical scheme, a fan protection plate is fixedly arranged at a communication position between the fan cavity and the outside, a power shaft is fixedly connected with a rotation center of the front end face of the rotating fan, a rotating motor is fixedly arranged in the front wall of the fan cavity, and the front end of the power shaft is in power connection with the rotating motor.

According to a further technical scheme, a centrifugal cavity is arranged in the front side wall of the rotating motor, a centrifugal wheel is arranged in the centrifugal cavity in a rotating mode, clutch cavities with outward openings are distributed in the centrifugal wheel in an annular matrix arrangement mode, a movable clutch sliding block is arranged in each clutch cavity, a clutch spring is fixedly connected between one side, close to the axle center of the centrifugal wheel, of each clutch sliding block and one side wall, close to the axle center of the centrifugal wheel, of each clutch cavity, and the axle center of the rear end face of the centrifugal wheel is connected with the rotating motor in a power mode.

According to a further technical scheme, a switching plate capable of moving up and down is arranged in the centrifugal cavity and above the centrifugal wheel, a switching spring is fixedly connected between the upper end face of the switching plate and the upper wall of the centrifugal cavity, and a switching pull rope is fixedly connected to the lower end face of the switching plate.

According to the technical scheme, a moving cavity is communicated between the front wall and the rear wall in the air inlet pipeline, a moving plate capable of moving back and forth is arranged in the moving cavity, a moving spring is fixedly connected between the front end face of the moving plate and the front wall of the moving cavity, a moving pull rope is fixedly connected to the front end face of the moving plate, the moving pull rope is connected with the switching pull rope, and the moving plate can move into the air inlet pipeline and close the two sides of the air inlet pipeline.

According to the technical scheme, the switch spring is fixedly connected between the upper end face of the switch board and the upper wall of the switch cavity, the electromagnet is fixedly arranged on the upper wall of the switch cavity, the switch board is magnetic, and the lower end face of the switch board can extend downwards and seal two sides of the drainage pipeline.

According to the technical scheme, a connecting cavity is formed in the rear wall of the floating cavity in a communicated mode, a connecting plate capable of moving up and down is arranged in the connecting cavity, the connecting plate is fixedly connected with the lifting plate, a connecting spring is fixedly connected to the upper end face of the connecting plate and the front wall of the connecting cavity, a connecting pull rope is fixed to the upper end face of the connecting plate, and the connecting pull rope is connected with the lifting pull rope.

According to a further technical scheme, elastic closing plates which are symmetrical in two sides and have elasticity are fixedly arranged on the left wall and the right wall of the turnover cavity, and the end faces of one side, close to the symmetrical center, of the elastic closing plates on the left side and the right side are abutted to the turnover plate.

According to the technical scheme, the lower wall of the turnover cavity is internally provided with a reset cavity which is symmetrical in two sides, the lower end surface of the supporting shaft at the left side and the right side extends downwards to the reset cavity and is fixedly connected with a reset torsion spring, and one side of the turnover plate, which is close to the symmetry center, is provided with a switch handrail with an outward opening.

The invention has the beneficial effects that: the invention enters the wind power heat dissipation cavity through the communicated air of the air inlet pipeline and is finally discharged outwards through the exhaust pipeline, in the process, air flowing in the wind power heat dissipation cavity exchanges heat through the fixed heat dissipation plate and carries away heat energy generated when the distributor works, thereby realizing the heat dissipation effect and further improving the working efficiency of the distributor, when meeting strong precipitation weather and meeting the accumulation and rise of the water level on the road surface, the height of the fixed base plays a role of waterproof protection to the rising of the water level, and the lifting plate moves upwards under the action of the buoyancy of the water level in the process of continuously rising the water level and drives the sealing plate to move downwards and seal the left side and the right side of the heat dissipation cavity, and then realize the whole confined effect with the main tank body and external intercommunication department, and then reach in the rise process of external water level, carry out water protection's effect to the main tank body.

Drawings

FIG. 1 is a schematic external view of the present invention;

fig. 2 is a schematic view of the overall structure of a waterproof box-type substation according to the present invention;

FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of B-B of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of C-C of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged partial schematic view of D of FIG. 2 in accordance with the present invention;

fig. 7 is an enlarged partial view of E of fig. 4 according to the present invention.

Detailed Description

In order that the objects and advantages of the invention will become more apparent, the invention is described in detail below with reference to the following examples, it being understood that the following text is only intended to describe a watertight box substation or several specific embodiments of the invention, and does not strictly limit the scope of protection specifically claimed by the invention, as used herein, the terms upper, lower, left and right are not limited to their strict geometric definition, but include tolerances to machining or human error rationality and inconsistencies, the specific features of which are specified in detail below:

referring to the attached drawings, the waterproof box-type substation according to the embodiment of the invention comprises amain box body 11, a workingplate 13 is arranged in themain box body 11, a workingchamber 12 is arranged in theworking plate 13, adistributor 19 for power transformation and distribution is fixedly arranged at the inner lower wall of the workingchamber 12, heat exchange plates 18 with symmetrical sides are fixedly arranged at the left side wall and the right side wall of the workingchamber 12, a spiral heat dissipation water pipe 17 is arranged in each heat exchange plate 18, a water inlet pipeline 16 is communicated with the upper side of each heat dissipation water pipe 17,water inlet funnels 14 with symmetrical sides and upward openings are arranged on the upper end surface of themain box body 11, eachwater inlet funnel 14 is communicated with each water inlet pipeline 16, a filter plate 15 is fixedly arranged at the communication position of eachwater inlet funnel 14 and each water inlet pipeline 16, adrainage pipeline 20 with an outward opening is communicated with the lower wall of each heat dissipation water pipe 17, and aswitch cavity 43 is communicated with the upper wall and the lower wall of eachdrainage pipeline 20, aswitch plate 45 capable of moving up and down is arranged in theswitch cavity 43, a fixed heat dissipation plate 37 is fixedly arranged on the inner rear wall of the workingcavity 12, afan cavity 59 with a backward opening is arranged on the inner upper side of the inner rear wall of the workingcavity 12, a rotatingfan 61 is rotatably arranged in thefan cavity 59, a wind powerheat dissipation cavity 35 is arranged on the inner front side of the lower wall of thefan cavity 59, anair inlet pipeline 36 is communicated between the upper side of the rear wall of the wind powerheat dissipation cavity 35 and the lower wall of thefan cavity 59, anexhaust pipeline 34 with a leftward opening is communicated with the lower side of the left wall of the wind powerheat dissipation cavity 35, afixed base 21 for supporting is fixedly arranged on the end surface of themain box body 11, an upward floatingcavity 31 with a forward opening is arranged in thefixed base 21, alifting plate 32 capable of moving up and down is arranged in the upwardfloating cavity 31, the density of thelifting plate 32 is smaller than that of water, aforward turning cavity 64 is communicated with the front side of the workingcavity 12, the utility model discloses a heat dissipation device, includingupset chamber 64, rotation is equipped with bilateral symmetry'sback shaft 39 between the upper and lower two walls in theupset chamber 64, the excircle fixedly connected with ofback shaft 39 can overturn returningface plate 26, be equipped with the outside and matrix arrangement of opening in the two walls ofworking chamber 12 about,heat dissipation chamber 23 in-connection is equipped with closedchamber 25, be equipped with the closedplate 22 that can reciprocate in the closedchamber 25, closedplate 22 moves down kinetic energy and sealsheat dissipation chamber 23 left and right sides, closedplate 22 up end fixedly connected withlift stay cord 24.

Beneficially or exemplarily, afan protection plate 60 is fixedly arranged at a position where thefan cavity 59 is communicated with the outside, apower shaft 62 is fixedly connected to a rotation center of a front end surface of the rotatingfan 61, a rotatingmotor 63 is fixedly arranged in a front wall of thefan cavity 59, and a front end of thepower shaft 62 is dynamically connected to the rotatingmotor 63.

Beneficially or exemplarily, acentrifugal cavity 46 is disposed in a front side wall of the rotatingmotor 63, acentrifugal wheel 50 is rotatably disposed in thecentrifugal cavity 46,clutch cavities 48 with outward openings are distributed in thecentrifugal wheel 50 in an annular matrix arrangement, amovable clutch slider 47 is disposed in theclutch cavity 48, aclutch spring 49 is fixedly connected between one side of theclutch slider 47 close to an axis of thecentrifugal wheel 50 and one side wall of theclutch cavity 48 close to the axis of thecentrifugal wheel 50, and a rear end surface axis of thecentrifugal wheel 50 is dynamically connected to the rotatingmotor 63.

Advantageously or exemplarily, aswitching plate 52 capable of moving up and down is arranged in thecentrifugal cavity 46 and above thecentrifugal wheel 50, a switchingspring 53 is fixedly connected between the upper end surface of theswitching plate 52 and the upper wall of thecentrifugal cavity 46, and aswitching pull rope 51 is fixedly connected to the lower end surface of theswitching plate 52.

Beneficially or exemplarily, a movingcavity 56 is communicated between the front wall and the rear wall in theair inlet duct 36, a movingplate 57 capable of moving back and forth is arranged in themoving cavity 56, a movingspring 55 is fixedly connected between the front end surface of themoving plate 57 and the front wall of the movingcavity 56, a movingpull rope 54 is fixedly connected to the front end surface of themoving plate 57, themoving pull rope 54 is connected with theswitching pull rope 51, and the movingplate 57 can move into theair inlet duct 36 and close both sides of theair inlet duct 36.

Beneficially or exemplarily, aswitch spring 44 is fixedly connected between the upper end surface of theswitch plate 45 and the upper wall of theswitch cavity 43, anelectromagnet 42 is fixedly arranged on the inner upper wall of theswitch cavity 43, theswitch plate 45 has magnetism, and the lower end surface of theswitch plate 45 can extend downwards and close the two sides of thedrainage pipeline 20.

Advantageously or exemplarily, a connectingcavity 29 is arranged in the upperfloating cavity 31 in a communication manner, a connectingplate 33 capable of moving up and down is arranged in the connectingcavity 29, the connectingplate 33 is fixedly connected with thelifting plate 32, a connectingspring 30 is fixedly connected in front of the upper end surface of the connectingplate 33 and the upper wall of the connectingcavity 29, a connectingpull rope 28 is fixed on the upper end surface of the connectingplate 33, and the connectingpull rope 28 is connected with thelifting pull rope 24.

The left and right walls of theturnover cavity 64 are fixed with elastic closing plates 38 with bilateral symmetry and elasticity, and the end surfaces of the left and right elastic closing plates 38 close to the symmetry center are abutted against theturnover plate 26.

Beneficially or exemplarily, a bilaterally symmetrical reset cavity 41 is arranged in the lower wall of the overturningcavity 64, the lower end surfaces of the left and right supportingshafts 39 extend downwards into the reset cavity 41 and are fixedly connected with areset torsion spring 40, and an outward opening and closinghandrail 27 is arranged on one side of the overturningplate 26 close to the symmetrical center.

The waterproof box-type substation provided by the invention has the following working process:

during operation, after thefixing base 21 is moved to the mounting position and fixedly mounted, themain box body 11 is stably mounted on the upper end face of thefixing base 21, power transformation and distribution work is performed through thepower distributor 19, the front end of the workingcavity 12 is sealed through theturnover plates 26 on the two sides, and the rotatingmotor 63 is started and drives thepower shaft 62 to rotate at the moment. At the same time, the rotatingmotor 63 is started to drive thecentrifugal wheel 50 to rotate, at the same time, thecentrifugal wheel 50 rotates and increases the centrifugal force acting on theclutch sliding block 47, at the same time, theclutch sliding block 47 overcomes the elastic force action of theclutch spring 49 to move outwards under the action of the centrifugal force, at the same time, theclutch sliding block 47 moves outwards and pushes theswitching plate 52 to move upwards overcoming the elastic force action of the switchingspring 53, at the same time, theswitching plate 52 moves upwards and pulls theswitching pull rope 51, at the same time, themovable plate 57 is pulled to overcome the elastic force action of the movingspring 55 through the connection of theswitching pull rope 51 and the movingpull rope 54, at the same time, themovable plate 57 moves and communicates the upper side and the lower side of theair inlet duct 36, at the same time, the rotatingfan 61 rotates and sucks the outside air and inputs the air through the communicatedair inlet duct 36, at the communicated air through theair inlet duct 36 enters the wind powerheat dissipation chamber 35 and is finally discharged outwards through theair exhaust duct 34, in the process, the air flowing in the wind powerheat dissipation cavity 35 is used for carrying out heat exchange through the fixed heat dissipation plate 37 and carrying away heat energy generated when thedistributor 19 works, so that the heat dissipation effect is realized, the working efficiency of thedistributor 19 is further improved, when the rainfall weather occurs, the rainfall is collected through thewater inlet funnel 14, filtered through the filter plate 15 and guided into the heat dissipation water pipe 17 through the water inlet pipeline 16, the heat energy generated by the work heat dissipation of thedistributor 19 is subjected to heat exchange through the contact between the heat exchange plate 18 and the air in the workingcavity 12 through the flow of the rainwater in the heat dissipation water pipe 17, the heat is converted and discharged through the rainwater flowing in the heat dissipation water pipe 17, when the rainfall is large, theelectromagnet 42 is started and has magnetism, and at the moment, theelectromagnet 42 drives theswitch plate 45 to move upwards by the magnetic attraction of the magnetism of theswitch spring 44, at this time, thedrainage pipeline 20 is communicated with the outside, and is communicated with the lower side of the heat dissipation water pipe 17 through thedrainage pipeline 20 to guide and discharge rainwater in the heat dissipation water pipe 17, so as to prevent the rainwater in the heat dissipation water pipe 17 from permeating due to excessive water accumulation and causing short circuit to the work of thedistributor 19, when the weather of strong precipitation meets the accumulated water level on the road surface, the height set by thefixing base 21 plays a certain waterproof protection for the rising of the water level, simultaneously along with the rising of the water level of the external accumulated water, thelifting plate 32 receives larger water level buoyancy due to smaller density at the water level, thelifting plate 32 moves upwards under the action of the water level buoyancy, and drives the connectingplate 33 to move upwards through fixed connection, the connectingplate 33 moves upwards and loosens the connection between the connectingpull rope 28 and thelifting pull rope 24, at this time, the connection between thelifting pull rope 24 is loosened, theclosing plate 22 moves downwards under the action of self gravity, at this time, theclosing plate 22 moves downwards and closes the left and right sides of theheat dissipation cavity 23, meanwhile, the rotatingmotor 63 stops rotating, the centrifugal force on theclutch sliding block 47 is reduced at the moment, then theswitching plate 52 is reset under the elastic force of the switchingspring 53, the movingplate 57 is enabled to move and reset, at the moment, the movingplate 57 seals the outside again, meanwhile, theelectromagnet 42 stops, theswitching plate 45 moves downwards under the elastic force of the switchingspring 44 and seals the left side and the right side of thedrainage pipeline 20 again, the effect of completely sealing the communication part between themain box body 11 and the outside is achieved, and the effect of performing waterproof protection on themain box body 11 in the process of rising the outside water level is achieved.

The invention has the beneficial effects that: the invention enters the wind power heat dissipation cavity through the communicated air of the air inlet pipeline and is finally discharged outwards through the exhaust pipeline, in the process, air flowing in the wind power heat dissipation cavity exchanges heat through the fixed heat dissipation plate and carries away heat energy generated when the distributor works, thereby realizing the heat dissipation effect and further improving the working efficiency of the distributor, when meeting strong precipitation weather and meeting the accumulation and rise of the water level on the road surface, the height of the fixed base plays a role of waterproof protection to the rising of the water level, and the lifting plate moves upwards under the action of the buoyancy of the water level in the process of continuously rising the water level and drives the sealing plate to move downwards and seal the left side and the right side of the heat dissipation cavity, and then realize the whole confined effect with the main tank body and external intercommunication department, and then reach in the rise process of external water level, carry out water protection's effect to the main tank body.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (7)

1. The utility model provides a waterproof type box-type substation, includes the main tank body, its characterized in that: the working plate is arranged in the main box body, the working chamber is arranged in the working plate, a distributor for performing power transformation and distribution is fixedly arranged at the lower wall in the working chamber, bilateral symmetrical heat exchange plates are fixedly arranged at the left side wall and the right side wall of the working chamber, spiral heat dissipation water pipes are arranged in the heat exchange plates, water inlet pipes are communicated at the upper sides of the heat dissipation water pipes, water inlet funnels which are bilaterally symmetrical and have upward openings are arranged on the upper end surface of the main box body and are communicated with the water inlet pipes, filter plates are fixedly arranged at the communication positions of the water inlet funnels and the water inlet pipes, drainage pipes with outward openings are communicated at the lower sides of the heat dissipation water pipes, switch chambers are communicated with the upper and lower walls of the drainage pipes, switch plates capable of moving up and down are arranged in the switch chambers, fixed heat dissipation plates are fixedly arranged on the rear wall in the working chamber, and backward-opening fan chambers are arranged at the upper side in the rear wall of the working chamber, the fan cavity is internally rotatably provided with a rotating fan, the front side in the lower wall of the fan cavity is provided with a wind power heat dissipation cavity, an air inlet pipeline is communicated between the upper side of the rear wall of the wind power heat dissipation cavity and the lower wall of the fan cavity, the lower side of the left wall of the wind power heat dissipation cavity is communicated with an exhaust pipeline with a leftward opening, the end surface of the main box body is fixedly provided with a fixed base for supporting effect, an upward floating cavity with a forward opening is arranged in the fixed base, a lifting plate capable of moving up and down is arranged in the upward floating cavity, the density of the lifting plate is less than that of water, the front side of the working cavity is communicated with a turnover cavity with a forward opening, a support shaft with bilateral symmetry is rotatably arranged between the upper wall and the lower wall in the turnover cavity, the outer circular surface of the support shaft is fixedly connected with a turnover plate capable of turning over, and heat dissipation cavities with outward openings and distributed in a matrix arrangement are arranged in the left wall and the right wall of the working cavity, a closed cavity is communicated with the inside of the heat dissipation cavity, a closed plate capable of moving up and down is arranged in the closed cavity, the downward movement of the closed plate can close the left side and the right side of the heat dissipation cavity, and a lifting pull rope is fixedly connected to the upper end face of the closed plate;

a fan protection plate is fixedly arranged at a communication position of the fan cavity and the outside, a power shaft is fixedly connected with a rotating center of the front end surface of the rotating fan, a rotating motor is fixedly arranged in the front wall of the fan cavity, and the front end of the power shaft is in power connection with the rotating motor;

the centrifugal motor is characterized in that a centrifugal cavity is arranged in the front side wall of the rotating motor, a centrifugal wheel is rotationally arranged in the centrifugal cavity, clutch cavities with outward openings are distributed in the centrifugal wheel in an annular matrix arrangement mode, a movable clutch slider is arranged in each clutch cavity, a clutch spring is fixedly connected between one side, close to the axle center of the centrifugal wheel, of each clutch slider and one side wall, close to the axle center of the centrifugal wheel, of each clutch cavity, and the rear end face of the centrifugal wheel is in power connection with the rotating motor.

2. A waterproof box-type substation according to claim 1, characterized in that: and a switching plate capable of moving up and down is arranged in the centrifugal cavity and above the centrifugal wheel, a switching spring is fixedly connected between the upper end surface of the switching plate and the upper wall of the centrifugal cavity, and a switching stay cord is fixedly connected to the lower end surface of the switching plate.

3. A waterproof box-type substation according to claim 2, characterized in that: the air inlet pipeline is characterized in that a moving cavity is communicated between the front wall and the rear wall in the air inlet pipeline, a moving plate capable of moving back and forth is arranged in the moving cavity, a moving spring is fixedly connected between the front end face of the moving plate and the front wall of the moving cavity, a moving pull rope is fixedly connected to the front end face of the moving plate, the moving pull rope is connected with the switching pull rope, and the moving plate can move into the air inlet pipeline and close the two sides of the air inlet pipeline.

4. A waterproof box-type substation according to claim 3, characterized in that: the utility model discloses a drainage pipeline, including switch board, switch chamber, switch board upper end face fixedly connected with switch spring between the switch chamber upper wall, switch intracavity upper wall is fixed and is equipped with the electro-magnet, the switch board has magnetism, terminal surface can downwardly extending and seal drainage pipeline both sides under the switch board.

5. A waterproof box-type substation according to claim 4, characterized in that: the inner wall of the floating cavity is communicated with a connecting cavity, a connecting plate capable of moving up and down is arranged in the connecting cavity, the connecting plate is fixedly connected with the lifting plate, a connecting spring is fixedly connected to the upper end face of the connecting plate in front of the upper wall of the connecting cavity, a connecting pull rope is fixed to the upper end face of the connecting plate, and the connecting pull rope is connected with the lifting pull rope.

6. A waterproof box-type substation according to claim 5, characterized in that: the left wall and the right wall of the turnover cavity are fixedly provided with elastic sealing plates which are symmetrical in two sides and have elasticity, and the end surfaces of one side, close to the symmetrical center, of the elastic sealing plates on the left side and the right side are abutted against the turnover plates.

7. A waterproof box-type substation according to claim 6, characterized in that: be equipped with the chamber that resets of bilateral symmetry in the upset chamber lower wall, the left and right sides back shaft lower extreme downwardly extending to reset intracavity and fixedly connected with reset torsion spring, be close to symmetry center one side in the returning face plate and be equipped with the outside switch handrail of opening.

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