CN216041262U - Power grid civil engineering energy-saving drainage device - Google Patents

Abstract

The utility model provides an energy-saving drainage device for power grid civil engineering, belonging to the technical field of power grid civil engineering, and comprising a top plate assembly, a plurality of protective side plates and a drainage system; the top plate assembly comprises a top plate mounting seat arranged on one side of the foundation pit and a supporting plate arranged on the top plate mounting seat, and a protective top plate is hinged to the supporting plate; the plurality of protective side plates are sequentially connected and attached to the side wall of the foundation pit; the protective side plate is a hollow plate; the drainage system comprises a main water pumping pipe and a water collecting tank which are longitudinally arranged in the protective side plate, one side of the water collecting tank is provided with a capillary permeable pipe, and the capillary permeable pipe penetrates through the protective side plate and extends into the side wall of the foundation pit; the main water pumping pipe is communicated with the branch water pumping pipes. According to the power grid civil engineering energy-saving drainage device, the drainage system is arranged on the hollow protective side plate, so that the drainage system is prevented from influencing other constructions; the arrangement of the capillary permeable pipe can improve the drainage efficiency in the side wall of the foundation pit; the lateral wall that the foundation ditch was located to the protection curb plate can realize the supporting role to the foundation ditch lateral wall.

Description

Power grid civil engineering energy-saving drainage device

Technical Field

The utility model belongs to the technical field of power grid civil engineering, and particularly relates to a power grid civil engineering energy-saving drainage device.

Background

In the civil construction of a power grid, particularly the installation and construction of power grid line buildings such as iron towers and the like, a foundation pit needs to be pre-dug in a place to be installed and constructed, and foundation pit dewatering needs to be carried out in the foundation pit. The foundation pit dewatering refers to dewatering work performed for ensuring that the foundation pit can be constructed under a dry condition and preventing slope instability, foundation quicksand, pit bottom uplift, pit piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface when the foundation pit is excavated. The foundation pit dewatering method mainly comprises the following steps: open ditch and water accumulation well dewatering, light well point dewatering, jet well point dewatering, electroosmosis well point dewatering, deep well point dewatering and the like.

To in the electric wire netting civil engineering construction, the rainwater that flows into in the foundation ditch can permeate foundation ditch bottom and lateral wall in to lead to ponding in foundation ditch bottom and the lateral wall, reduced the intensity of foundation ditch bottom and lateral wall, can lead to the phenomenon that foundation ditch bottom uplift, lateral wall appear collapsing when serious. Therefore, a device capable of clearing accumulated water in the foundation pit or accumulated water in the side wall and effectively draining water is needed to be designed, the state of no accumulated water in the foundation pit is kept, the collapse of the side wall can be resisted, and the quality of the foundation pit is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a civil engineering energy-saving drainage device for a power grid, and aims to solve the problem of timely cleaning accumulated water at the bottom and in the side wall of a foundation pit.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an energy-conserving drainage device of electric wire netting civil engineering, includes:

the roof assembly comprises a roof mounting seat arranged on one side of the foundation pit and a supporting plate arranged on the roof mounting seat, and a protective roof is hinged to the supporting plate;

the protective side plates are sequentially connected and attached to the side wall of the foundation pit; the protective side plate is a hollow plate;

the drainage system comprises a water pumping main pipe longitudinally arranged in the protective side plate and a water collecting tank communicated with the water pumping main pipe, wherein a capillary permeable pipe is arranged on one side of the water collecting tank and penetrates through the back plate of the protective side plate to extend into the side wall of the foundation pit; a plurality of water permeable holes are formed in the capillary water permeable pipe; the upper end that the person in charge of drawing water is connected the suction pump, the lower extreme intercommunication branch pipe that draws water the person in charge, the branch pipe that draws water runs through the front bezel of protection curb plate stretches into in the foundation ditch.

As another embodiment of the application, the protective side plate comprises a lower protective plate, a middle protective plate and an upper protective plate which are sequentially connected, and a water pumping branch pipe is arranged at the lower end of the lower protective plate; an external drain pipe is arranged on the upper protection plate and is communicated with the water pumping main pipe and the water pumping pump in the upper protection plate; the water pumping main pipe and the water collecting tank are arranged in the lower protection plate, the middle protection plate and the upper protection plate; the main pipes for pumping water in the adjacent protection side plates are correspondingly arranged and communicated with each other by virtue of the protection side plates.

As another embodiment of this application, be equipped with the water main pipe along the horizontal direction in the guard plate down, the water main pipe with the person in charge intercommunication that draws water in the guard plate down, the water main pipe still with the branch pipe intercommunication that draws water, it is equipped with first check valve on the water main pipe.

As another embodiment of the application, a vacuum pump is arranged in the water collecting tank, and a second one-way valve is arranged between the water collecting tank and the water pumping main pipe; and a third one-way valve is arranged between the water collecting tank and the capillary permeable pipe.

As another embodiment of this application, one side of the person in charge that draws water is established ties along the horizontal direction has a plurality of the header tank, adjacent two be equipped with the check valve between the header tank.

As another embodiment of this application, the protection curb plate is equipped with joint groove and joint portion respectively, adjacent two about both ends the protection curb plate with the help of the joint groove with joint portion connects.

As another embodiment of the application, a plurality of connecting convex blocks are arranged at the upper ends of the lower protection plate and the middle protection plate at intervals along the length direction of the lower protection plate or the middle protection plate; well guard plate with the lower extreme of going up the guard plate all is equipped with the spread groove, the spread groove is a plurality of, and is a plurality of the spread groove is followed well guard plate or the length direction interval of going up the guard plate sets up, connect the lug with the spread groove looks adaptation.

As another embodiment of the application, the upper ends of the water pumping main pipes of the lower protection plate and the middle protection plate are respectively provided with a sealing platform; the lower ends of the water pumping main pipes of the middle protection plate and the upper protection plate are respectively provided with a sealing groove matched with the sealing platform; and a sealing ring is arranged between the sealing platform and the sealing groove.

As another embodiment of the application, a flexible waterproof strip is arranged between the protective top plate and the supporting plate.

As another embodiment of the application, a sliding groove is arranged at the upper end of the top plate mounting seat, and the length direction of the sliding groove is vertical to the protection side plate; the lower extreme of backup pad is equipped with the slider, the slider with spout sliding connection.

The power grid civil engineering energy-saving drainage device provided by the utility model has the beneficial effects that: compared with the prior art, the power grid civil engineering energy-saving drainage device has the advantages that the drainage system is used for pumping accumulated water in soil on the side wall of the foundation pit and water in the foundation pit out, and the drainage system is arranged on the hollow protective side plate, so that the occupied space of the drainage system can be saved, and the influence of the drainage system on other constructions can be avoided; the arrangement of the capillary permeable pipe can improve the drainage efficiency in the side wall of the foundation pit; and the side wall of the foundation pit is arranged on the protective side plate provided with the drainage system, so that the supporting effect on the side wall of the foundation pit can be realized while drainage is carried out, and accumulated water and collapse of the side wall of the foundation pit are effectively prevented.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a civil engineering energy-saving drainage device of a power grid in a first state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the power grid civil engineering energy-saving drainage device provided in the embodiment of the utility model in a second state;

FIG. 3 is a schematic structural diagram of a lower fender provided in an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a middle protection plate according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an upper fender provided in an embodiment of the present invention;

fig. 6 is a top view of an upper shield plate according to an embodiment of the present invention.

In the figure: 100. a foundation pit; 200. a protective side plate; 201. an upper protection plate; 202. a middle protection plate; 203. a lower guard plate; 204. a sealing groove; 205. a sealing table; 206. a connection bump; 207. connecting grooves; 208. a clamping groove; 209. a clamping part; 210. a drain pipe is externally connected; 211. a capillary permeable pipe; 212. a capillary permeable pipe is added; 213. a water pumping branch pipe; 214. a water collection tank; 215. a second one-way valve; 216. a main water pumping pipe; 217. a water pumping main pipe; 300. a top plate mounting seat; 301. a support plate; 302. and (4) protecting the top plate.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6, the energy-saving drainage device for civil engineering of power grid provided by the present invention will now be described. The power grid civil engineering energy-saving drainage device comprises a top plate assembly, a plurality of protective side plates 200 and a drainage system; the top plate assembly comprises a top plate mounting seat 300 arranged on one side of the foundation pit 100 and a supporting plate 301 arranged on the top plate mounting seat 300, and a protective top plate 302 is hinged on the supporting plate 301; the plurality of protective side plates 200 are sequentially connected and attached to the side wall of the foundation pit 100; the protective side plate 200 is a hollow plate; the drainage system comprises a water pumping main pipe 216 longitudinally arranged in the protective side plate 200 and a water collecting tank 214 communicated with the water pumping main pipe 216, wherein one side of the water collecting tank 214 is provided with a capillary permeable pipe 211, and the capillary permeable pipe 211 penetrates through the back plate of the protective side plate 200 and extends into the side wall of the foundation pit 100; a plurality of water permeable holes are arranged on the capillary water permeable pipe 211; the lower end of the pumping main pipe 216 is communicated with a pumping branch pipe 213, and the pumping branch pipe 213 penetrates through the front plate of the protective side plate 200 and extends into the foundation pit 100.

Compared with the prior art, the power grid civil engineering energy-saving drainage device provided by the utility model has the advantages that the top plate mounting seat 300 is arranged on one side of the foundation pit 100, the top plate mounting seat 300 is provided with the supporting plate 301 and the protective top plate 302 hinged on the supporting plate 301, and the construction in the foundation pit 100 is not influenced by the fact that the protective top plate 302 is turned over on the supporting plate 301; when raining, the protective top plate 302 can rotate around the hinge shaft, and the protective top plate 302 horizontally covers the upper part of the foundation pit 100 to prevent rainwater from falling into the foundation pit 100; the protective side plate 200 is arranged on the side wall of the foundation pit 100, the protective side plate 200 is a hollow plate, a drainage system is arranged in the protective side plate 200, the drainage system comprises a water pumping main pipe 216 longitudinally arranged in the protective side plate 200 and a water collecting tank 214 communicated with the water pumping main pipe 216, and a capillary water permeable pipe 211 on one side of the water collecting tank 214 extends into the side wall of the foundation pit 100 and is used for collecting accumulated water in soil on the side wall of the foundation pit 100; the water pumping branch pipe 213 at the lower end of the water pumping main pipe 216 penetrates through the front plate of the protective side plate 200 and extends into the foundation pit 100 to absorb accumulated water in the foundation pit 100.

The accumulated water in the side wall of the foundation pit 100 enters the capillary permeable pipe 211 through the permeable holes on the capillary permeable pipe 211, then enters the water collecting tank 214 through the capillary permeable pipe 211, enters the water pumping main pipe 216 from the water collecting tank 214, and is pumped out by the water pumping pump; the accumulated water at the bottom of the foundation pit 100 enters the main pumping pipe 216 through the branch pumping pipe 213 and is pumped out of the main pumping pipe 216 by the water pumping pump.

According to the power grid civil engineering energy-saving drainage device provided by the utility model, the drainage system is used for pumping accumulated water in soil on the side wall of the foundation pit 100 and water in the foundation pit 100 out, and the drainage system is arranged on the hollow protective side plate 200, so that the occupied space of the drainage system can be saved, and the influence of the drainage system on other constructions can be avoided; the arrangement of the capillary permeable pipe 211 can improve the drainage efficiency in the side wall of the foundation pit 100; and the protective side plate 200 provided with the drainage system is arranged on the side wall of the foundation pit 100, so that the supporting effect on the side wall of the foundation pit 100 can be realized while drainage is performed, and water accumulation and collapse of the side wall of the foundation pit 100 are effectively prevented.

Optionally, an additional capillary permeable pipe 212 is arranged at the bottom of the protective side plate 200, and the extending direction of the additional capillary permeable pipe 212 at the bottom of the protective side plate 200 is perpendicular to the bottom of the foundation pit 100 and extends downwards.

Optionally, the water is pumped out to a drainage channel dug out by precipitation construction by a water pump.

In some possible embodiments, referring to fig. 1, the protective side plate 200 includes a lower protective plate 203, a middle protective plate 202 and an upper protective plate 201 connected in sequence, and a water pumping branch pipe 213 is disposed at a lower end of the lower protective plate 203; an external drainage pipe 210 is arranged on the upper protection plate 201, and the external drainage pipe 210 is communicated with a main water pumping pipe 216 and a water pumping pump in the upper protection plate 201; a water pumping main pipe 216 and a water collecting tank 214 are arranged in the lower protection plate 203, the middle protection plate 202 and the upper protection plate 201; the main pumping pipes 216 in the adjacent protective side plates 200 are correspondingly arranged and communicated with each other through the protective side plates 200.

Specifically, the protective side plate 200 includes a lower protective plate 203 connected to the bottom of the foundation pit 100, an upper protective plate 201 disposed at the upper portion of the foundation pit 100, and a middle protective plate 202 disposed between the lower protective plate 203 and the upper protective plate 201, where the number of the middle protective plate 202 may be one or more, and the data of the middle protective plate 202 depends on the depth of the foundation pit 100.

Referring to fig. 3 to 6, the lower end of the lower protection plate 203 is provided with a water pumping branch pipe 213, the water pumping main pipe 216 in the lower protection plate 203, the middle protection plate 202 and the upper protection plate 201 are sequentially communicated, and water in the foundation pit 100 enters the water pumping main pipe 216 from the water pumping branch pipe 213 and is discharged by the external water discharge pipe 210 and the water pump.

All be equipped with header tank 214 in lower guard plate 203 and well guard plate 202 and the upper protection plate 201, be equipped with the capillary pipe 211 of permeating water that corresponds with it on the header tank 214, capillary pipe 211 of permeating water stretches into the lateral wall of foundation ditch 100 in for collect the ponding of foundation ditch 100 lateral wall.

In some possible embodiments, referring to fig. 1 and fig. 3, a water main pipe 217 is disposed in the lower protection plate 203 along a horizontal direction, the water main pipe 217 is communicated with a water main pipe 216 disposed in the lower protection plate 203, the water main pipe 217 is further communicated with a water branch pipe 213, and the water main pipe 217 is provided with a first check valve.

Specifically, a water pumping main pipe 216 is longitudinally arranged in the lower protection plate 203, a water pumping main pipe 217 in the horizontal direction is arranged at the lower end of the water pumping main pipe 216, and the water pumping main pipe 217 is arranged along the length direction of the lower protection plate 203; the water pumping branch pipe 213 provided at the lower end of the lower guard plate 203 is communicated with the water pumping trunk pipe 217.

Optionally, the number of the pumping branch pipes 213 is multiple, and the multiple pumping branch pipes 213 are arranged on the pumping main pipe 217 at intervals. The end of the water pumping branch pipe 213 penetrates through the front plate of the lower protection plate 203 and extends out of the outer side, and the outer side wall of the water pumping branch pipe 213 is welded with the front plate of the lower protection plate 203, so that accumulated water in the foundation pit 100 is prevented from permeating into the hollow cavity of the lower protection plate 203.

Optionally, the end of the pumping manifold 213 is provided with a filter.

Optionally, the part of the water pumping branch pipe 213 extending out of the lower protection plate 203 is provided with a first check valve, and the first check valve can only allow the accumulated water to flow into one end of the water pumping branch pipe 217 from one end of the filter, but cannot flow in the reverse direction.

In some possible embodiments, please refer to fig. 3 to 6, a vacuum pump is disposed in the water collecting tank 214, and a second check valve 215 is disposed between the water collecting tank 214 and the main water pumping pipe 216; a third one-way valve is arranged between the water collecting tank 214 and the capillary permeable pipe 211.

Specifically, a vacuum pump is disposed in the water collecting tank 214, and the vacuum pump is used for applying negative pressure to the capillary permeable pipe 211 communicated with the water collecting tank 214, so that accumulated water in soil on the side wall of the foundation pit 100 can more quickly enter the capillary permeable pipe 211.

The water collecting tank 214 is communicated with the water pumping main pipe 216 through a pipeline, a second one-way valve 215 is arranged on the pipeline, and the second one-way valve 215 only allows accumulated water to enter the water pumping main pipe 216 from the water collecting tank 214 and cannot flow reversely.

One end of the capillary permeable pipe 211 extends into the side wall of the foundation pit 100, and the other end is connected to the side wall of the water collecting tank 214. The capillary tube 211 is provided with a third check valve at an end portion of one end connected to the water collecting tank 214, and the third check valve allows only accumulated water to enter the water collecting tank 214 from the capillary tube 211 without flowing backward.

In some possible embodiments, referring to fig. 1, a plurality of water collecting tanks 214 are connected in series on one side of the main water pumping pipe 216 along the horizontal direction, and a check valve is disposed between two adjacent water collecting tanks 214.

Specifically, a plurality of water collecting tanks 214 are arranged in each protective side plate 200 so as to improve the number of capillary permeable pipes 211 and the water pumping efficiency; the water collecting tanks 214 which are horizontally arranged are connected in series on the water pumping main pipe 216, so that the occupied space of the pipeline can be reduced to the greatest extent, and the utilization rate is improved. A check valve is provided on a pipe between two adjacent water collecting tanks 214, and only allows accumulated water to flow from the water collecting tank 214 farther from the water pumping main pipe 216 to the water collecting tank 214 closer to the water pumping main pipe 216, but not to flow in the reverse direction.

In some possible embodiments, please refer to fig. 1, the protection side plates 200 are respectively provided with a clamping groove 208 and a clamping portion 209 at the left and right ends, and two adjacent protection side plates 200 are connected with the clamping portion 209 by the clamping groove 208.

Specifically, both ends are equipped with joint groove 208 and joint portion 209 respectively about protection curb plate 200, and joint portion 209 is the joint strip of protrusion protection curb plate 200 terminal surface, and joint groove 208 is the strip. Two adjacent protection side plates 200 are horizontally connected with the clamping strip through clamping grooves 208.

Optionally, the clamping groove 208 is a rectangular groove, and the clamping strip is a rectangular strip, so that when the clamping groove 208 and the clamping strip are installed, a simple mortise and tenon structure is formed.

In some possible embodiments, referring to fig. 1, the upper ends of the lower protection plate 203 and the middle protection plate 202 are respectively provided with a plurality of connection protrusions 206, and the plurality of connection protrusions 206 are arranged at intervals along the length direction of the lower protection plate 203 or the middle protection plate 202; the lower extreme of well guard plate 202 and last guard plate 201 all is equipped with connecting groove 207, and connecting groove 207 is a plurality of, and a plurality of connecting grooves 207 set up along the length direction interval of well guard plate 202 or last guard plate 201, connects lug 206 and connecting groove 207 looks adaptation.

Specifically, the lower end of the lower protection plate 203 is provided with a locking assembly and an additional capillary water-permeable pipe 212, wherein the locking assembly is connected with the soil at the bottom of the foundation pit 100 and is used for reinforcing the lower protection plate 203; the additional capillary permeable tube 212 extends into the soil at the bottom of the foundation pit 100 for absorbing water accumulated in the soil at the bottom of the foundation pit 100. The upper end of the lower protection plate 203 is provided with a plurality of connection protrusions 206, and the connection protrusions 206 are arranged along the length direction of the lower protection plate 203 at intervals.

The lower end of the middle shield plate 202 is provided with a coupling groove 207, and the coupling groove 207 is recessed inside the middle shield plate 202. When the device is installed, the connecting projection 206 at the upper end of the lower protection plate 203 extends into the connecting groove 207 at the lower end of the middle protection plate 202 and is clamped and locked.

The upper end of the middle protection plate 202 is provided with a connecting lug 206, the lower end of the upper protection plate 201 is provided with a connecting groove 207, and the connecting lug 206 of the middle protection plate 202 is clamped and locked with the connecting groove 207 at the lower end of the upper protection plate 201. Or when the number of the middle protection plates 202 is multiple, the multiple middle protection plates 202 are sequentially connected, the middle protection plate 202 positioned at the lowermost end is connected with the lower protection plate 203, and the middle protection plate 202 positioned at the uppermost end is connected with the upper protection plate 201.

Optionally, the connection protrusion 206 includes a first connection block and a second connection block disposed at an upper end of the first connection block, cross sections of the first connection block and the second connection block are both circular, and a diameter of the cross section of the first connection block is greater than a diameter of the cross section of the second connection block. When the protective side plate is installed, the circular connecting convex block 206 can improve the horizontal connecting strength of the two adjacent upper and lower protective side plates 200, and prevent the protective side plates from shaking.

Optionally, an anchor bolt hole is formed in the protective side plate 200, and an anchor bolt penetrates through the protective side plate 200 and extends into the side wall of the foundation pit 100 to reinforce the protective side plate 200. The anchor rods are located around the water collection tank 214.

In some possible embodiments, referring to fig. 3 to 5, the upper ends of the water pumping main pipes 216 of the lower protection plate 203 and the middle protection plate 202 are provided with sealing platforms 205; the lower ends of the water pumping main pipes 216 of the middle protection plate 202 and the upper protection plate 201 are respectively provided with a sealing groove 204 matched with the sealing platform 205; a seal ring is provided between the seal land 205 and the seal groove 204.

Specifically, the sealing table 205 is arranged outside the main water pumping pipe 216, the sealing table 205 comprises a bottom support and a sealing portion, the sealing portion is arranged on the upper end face of the bottom support, the diameter of the bottom end of the sealing portion is smaller than that of the upper end face of the bottom support, the sealing portion is provided with a first inclined sealing face, a placing groove is formed in the first inclined sealing face, and the sealing ring is located in the placing groove. The notch of seal groove 204 is downward, has a spacing step in the seal groove 204, and the top of spacing step is equipped with the second sealed face that is used for laminating first sealed face, and the below of spacing step is used for holding the collet.

The upper end of the lower protection plate 203 is provided with a sealing platform 205, the sealing platform 205 protrudes out of the upper end surface of the lower protection plate 203, and the bottom support of the sealing platform 205 is connected to the upper end surface of the lower protection plate 203.

The lower end of the middle protection plate 202 is provided with a sealing groove 204, and the upper end of the middle protection plate 202 is provided with a sealing platform 205. When there is only one middle protection plate 202, the sealing groove 204 at the lower end of the middle protection plate 202 is connected with the sealing table 205 at the upper end of the lower protection plate 203; the sealing platform 205 at the upper end of the middle protection plate 202 is connected with the sealing groove 204 at the lower end of the upper protection plate 201; when the middle protection plate 202 is a plurality of, the middle protection plates 202 are connected in sequence, the middle protection plate 202 at the lowermost end is connected with the lower protection plate 203, and the middle protection plate 202 at the uppermost end is connected with the upper protection plate 201.

Optionally, the sealing ring is an O-ring. The sealing ring is limited in the placing groove, and the sealing ring abuts against the second sealing surface.

Optionally, the height of the sealing land 205 is the same as the height of the connection bump 206.

In some possible embodiments, referring to fig. 1 and 2, a flexible waterproof strip is disposed between the protection top plate 302 and the supporting plate 301.

Specifically, the guard top plate 302 and the support plate 301 are hinged, and the guard top plate 302 can be rotated by 180 ° about the hinge axis. When the protective roof plate 302 is not used, the protective roof plate is turned over above the supporting plate 301, and the space above the foundation pit 100 is exposed, so that other construction projects can be conveniently carried out; when the protective top plate 302 needs to be used, the protective top plate 302 is driven to rotate 180 degrees around the hinge shaft, and the protective top plate 302 is turned over to one side of the foundation pit 100 and is turned over to the upper side of the foundation pit 100.

A hydraulic push rod is arranged between the protective top plate 302 and the supporting plate 301, and the bottom end of the hydraulic push rod is hinged to the side wall of the supporting plate 301; the top end of the hydraulic push rod is hinged on a transmission component, and the transmission component is respectively hinged with the supporting plate 301 and the protective top plate 302.

As shown in fig. 2, when the protection top plate 302 is folded over the foundation pit 100, a gap for water leakage is formed below the hinge shaft between the protection top plate 302 and the support plate 301, and thus a flexible waterproof strip is provided between the protection top plate 302 and the support plate 301. When the protection top plate 302 is turned over to the upper part of the foundation pit 100, the flexible waterproof strip is forced to be opened to shield a gap between the protection top plate 302 and the support plate 301 and prevent rainwater from entering the interior of the foundation pit 100; when the protective roof 302 is folded over the support plate 301, the flexible waterproof strip is squeezed between the protective roof 302 and the support plate 301, and the folding of the protective roof 302 are not affected.

As shown in fig. 1, when the protective top plate 302 is plural, the plural protective top plates 302 are hinged in sequence, and the lowermost protective top plate 302 is hinged on the support plate 301. When the protective top plates 302 need to be turned over to the upper part of the foundation pit 100, the plurality of protective top plates 302 are turned over simultaneously; when the protective roof panel 302 needs to be folded over the support panel 301, a plurality of protective roof panels 302 are folded over at the same time.

Optionally, flexible waterproof strips are arranged between two adjacent protective top plates 302 and between the protective top plates 302 and the supporting plate 301.

Optionally, the flexible waterproof strip is made of silica gel.

In some possible embodiments, referring to fig. 1 and 2, the top plate mounting base 300 has a sliding slot at the upper end, and the length direction of the sliding slot is perpendicular to the protection side plate 200; the lower extreme of backup pad 301 is equipped with the slider, slider and spout sliding connection.

Specifically, the lower end of the supporting plate 301 is provided with a sliding block, and the sliding block is connected with a sliding groove in the top plate mounting base 300 in a sliding manner. When the protection side plate 200 is installed, the supporting plate 301 needs to slide along the sliding groove to one side far away from the protection side plate 200, so that the supporting plate 301 is far away from the protection side plate 200, and a safety distance is provided for construction. After the protective side plate 200 is installed, the supporting plate 301 slides to one side close to the protective side plate 200 along the sliding groove, so that the supporting plate 301 covers the protective side plate 200 to shield and protect the protective side plate 200.

When the protection top plate 302 is turned over to the upper side of the foundation pit 100, a size error may exist between the protection top plates 302 or a deviation occurs due to the size of the foundation pit 100, so that the protection top plate 302 is not completely covered, at the moment, the support plate 301 is driven to slide along the sliding groove, the protection top plate 302 is finely adjusted, and the complete sealing of the upper side of the foundation pit 100 is realized.

Optionally, the upper protection plate 201 and the top plate mounting base 300 are fixed by anchor bolts.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Energy-conserving drainage device of electric wire netting civil engineering, its characterized in that includes:

the roof assembly comprises a roof mounting seat arranged on one side of the foundation pit and a supporting plate arranged on the roof mounting seat, and a protective roof is hinged to the supporting plate;

the protective side plates are sequentially connected and attached to the side wall of the foundation pit; the protective side plate is a hollow plate;

the drainage system comprises a water pumping main pipe longitudinally arranged in the protective side plate and a water collecting tank communicated with the water pumping main pipe, wherein a capillary permeable pipe is arranged on one side of the water collecting tank and penetrates through the back plate of the protective side plate to extend into the side wall of the foundation pit; a plurality of water permeable holes are formed in the capillary water permeable pipe; the upper end that the person in charge of drawing water is connected the suction pump, the lower extreme intercommunication branch pipe that draws water the person in charge, the branch pipe that draws water runs through the front bezel of protection curb plate stretches into in the foundation ditch.

2. An energy-saving drainage device for a civil engineering of an electric network as claimed in claim 1, wherein the protective side plate comprises a lower protective plate, a middle protective plate and an upper protective plate which are connected in sequence, and a water pumping branch pipe is arranged at the lower end of the lower protective plate; an external drain pipe is arranged on the upper protection plate and is communicated with the water pumping main pipe and the water pumping pump in the upper protection plate; the water pumping main pipe and the water collecting tank are arranged in the lower protection plate, the middle protection plate and the upper protection plate; the main pipes for pumping water in the adjacent protection side plates are correspondingly arranged and communicated with each other by virtue of the protection side plates.

3. An energy-saving drainage device for civil engineering of electric network as claimed in claim 2, wherein the lower protection plate is provided with a water pumping main pipe along the horizontal direction, the water pumping main pipe is communicated with the water pumping main pipe in the lower protection plate, the water pumping main pipe is further communicated with the water pumping branch pipe, and the water pumping main pipe is provided with a first one-way valve.

4. A power grid civil engineering energy-saving drainage device as claimed in claim 2, wherein a vacuum pump is arranged in the water collection tank, and a second one-way valve is arranged between the water collection tank and the water pumping main pipe; and a third one-way valve is arranged between the water collecting tank and the capillary permeable pipe.

5. An energy-saving drainage device for civil construction of electric network as claimed in claim 4 wherein one side of said main pumping pipe is connected in series with a plurality of said water collection tanks along the horizontal direction, and a one-way valve is provided between two adjacent said water collection tanks.

6. An energy-saving drainage device for civil engineering of electric network as claimed in claim 1, wherein the protection side plates are respectively provided with a clamping groove and a clamping portion at the left and right ends, and two adjacent protection side plates are connected with the clamping portion by means of the clamping grooves.

7. An energy-saving drainage device for a civil engineering of an electric network as claimed in claim 2, wherein the upper ends of the lower protection plate and the middle protection plate are respectively provided with a plurality of connecting lugs, and the plurality of connecting lugs are arranged at intervals along the length direction of the lower protection plate or the middle protection plate; well guard plate with the lower extreme of going up the guard plate all is equipped with the spread groove, the spread groove is a plurality of, and is a plurality of the spread groove is followed well guard plate or the length direction interval of going up the guard plate sets up, connect the lug with the spread groove looks adaptation.

8. A power grid civil engineering energy-saving drainage device as claimed in claim 2, wherein the upper ends of the main pumping pipes of the lower protection plate and the middle protection plate are provided with sealing platforms; the lower ends of the water pumping main pipes of the middle protection plate and the upper protection plate are respectively provided with a sealing groove matched with the sealing platform; and a sealing ring is arranged between the sealing platform and the sealing groove.

9. A power grid civil engineering energy saving drainage arrangement as claimed in claim 1 wherein a flexible waterproof strip is provided between the protective roof and the support plate.

10. A power grid civil engineering energy-saving drainage device as claimed in claim 1, wherein the upper end of the top plate mounting seat is provided with a sliding groove, and the length direction of the sliding groove is vertical to the protection side plate; the lower extreme of backup pad is equipped with the slider, the slider with spout sliding connection.

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