CN113293801A - Power cable pipe arrangement working well and construction method thereof - Google Patents
Power cable pipe arrangement working well and construction method thereof Download PDFInfo
- Publication number
- CN113293801A CN113293801A CN202110567834.0A CN202110567834A CN113293801A CN 113293801 A CN113293801 A CN 113293801A CN 202110567834 A CN202110567834 A CN 202110567834A CN 113293801 A CN113293801 A CN 113293801A
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- plate
- well body
- rubber ring
- well
- bottom plate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
Abstract
The application relates to a power cable calandria worker well, which relates to the technical field of cable matching devices; the water-collecting well comprises a well body, a bottom plate arranged at the bottom of the well body and a cover plate covering an opening at the upper end of the well body, wherein a water-collecting groove is formed in the upper surface of the bottom plate and positioned at the edge of the bottom plate along the circumferential direction of the bottom plate, and a support for laying a cable is arranged in the middle of the bottom plate; a water drainage pipe is arranged in the well body, one end of the water drainage pipe is positioned in the water accumulation groove, and the other end of the water drainage pipe penetrates through the cover plate and is communicated with a water suction pump through a pipeline; a floating ball is arranged in the water accumulation groove, a photoelectric switch is arranged on the side wall of the well body close to the floating ball, the photoelectric switch is electrically connected with a controller, and the controller is electrically connected with the water pump and used for starting the water pump when the photoelectric switch detects the floating ball; this application has the effect that reduces well internal ponding, extension cable life.
Description
Technical Field
The application relates to the technical field of cable matching devices, in particular to a power cable pipe arrangement work well and a construction method thereof.
Background
According to the laying requirements of the power cable, a cable inspection well or a branch well (generally called a cable work well) is arranged at a certain distance (generally not more than 100 m) along the length direction of the path.
The related application publication number is CN110578341A, and discloses a power cable calandria working well and a construction method thereof, and the power cable calandria working well comprises a cushion layer, a side wall, a bottom plate arranged at the bottom of the side wall and positioned on the cushion layer, and a cover plate arranged at the top of the side plate, wherein the side wall comprises an outer side well wall which is cast firstly, and a plurality of inner side well walls which are cast after the calandria is arranged in a penetrating way and are tightly connected with the outer side well wall, the cross section of the outer side well wall is circular, a plurality of holes for the calandria to be arranged in are formed in the outer side well wall, the inner side well wall is arranged corresponding to the holes and completely covers the holes, and the power cable calandria working well also comprises a plurality of self-standing cable supports for arranging cables; during construction, firstly, a groove is dug at a designated position, then a bottom plate and an outer side well wall are poured, a plurality of holes are reserved according to the position, the height and the like of a cable duct bank, then a duct bank for cables is laid, part of the duct bank is inserted into the inner side of the outer side well wall through the holes, then the inner side well wall is poured, then a self-standing cable support is installed in the well according to the trend and arrangement of power cables, finally, a high-voltage power cable is laid, and then a cover plate is covered.
In view of the above-mentioned related technologies, the inventor believes that in a rainy and humid environment, rainwater seeps into the well through the joint between the cover plate and the outer well wall or through the side wall, and when the accumulated water gradually increases, the cable below is corroded by the accumulated water and damaged, so that the service life of the cable is shortened, and therefore the improvement is needed.
Disclosure of Invention
In order to solve the technical problem that the service life of a cable is shortened due to the fact that the cable is corroded by rainwater due to poor waterproofness of a cable well in the related art, the application provides a power cable pipe arrangement work well and a construction method thereof.
The application provides a power cable calandria worker well adopts following technical scheme:
a power cable calandria working well comprises a well body, a bottom plate and a cover plate, wherein the bottom plate is arranged at the bottom of the well body, the cover plate covers an opening at the upper end of the well body, a water accumulation groove is formed in the upper surface of the bottom plate and is positioned at the edge of the bottom plate along the circumferential direction of the bottom plate, and a cable support for laying cables is arranged in the middle of the bottom plate; a water drainage pipe is arranged in the well body, one end of the water drainage pipe is positioned in the water accumulation groove, and the other end of the water drainage pipe penetrates through the cover plate and is communicated with a water suction pump through a pipeline; the ponding ditch inslot is provided with the floater, the lateral wall that the well body is close to floater department is provided with photoelectric switch, photoelectric switch electricity is connected with the controller, the controller electricity is connected in the suction pump to start the suction pump when photoelectric switch detects the floater.
Through adopting above-mentioned technical scheme, from apron and well body seam crossing to and well body lateral wall infiltration well body inside rainwater will get into ponding ditch inslot, and the floater will come up under the buoyancy of water this moment, and when photoelectric switch moved up to photoelectric switch department, photoelectric switch sent switch signal to the controller, and the controller will start the suction pump and discharge ponding.
Optionally, the ponding slot inside wall symmetry is provided with the limiting plate, and photoelectric switch is located the limiting plate, the floater is located between two limiting plates, each the limiting plate lateral wall all sets up the hole of stepping down that a plurality of supplied ponding to flow through.
Through adopting above-mentioned technical scheme, the setting of limiting plate can play limiting displacement to the floater, prevents that the floater from following ponding slot circumference drift for the floater can only be located two limiting plates and reciprocate along the limiting plate direction of height, can realize on the one hand that detection module detects the fixed point of floater, and on the other hand can reduce in the floater gets into the drain pipe along with ponding, and then causes the condition that the drain pipe rises the value suction pump and blocks up.
Optionally, the one end intercommunication that the drain pipe department was kept away from to the suction pump has the outlet pipe, the one end inner wall that the suction pump department was kept away from to the outlet pipe is provided with the crown plate, the inside that the outlet pipe is close to crown plate department is provided with the check piece, be connected with a plurality of spring between check piece and the crown plate jointly.
Through adopting above-mentioned technical scheme, during the spring initial state, the non return sheet lid closes in the mouth of pipe department of outlet pipe, in order to reduce outside impurity, insects etc. get into the outlet pipe, block up the outlet pipe mouth of pipe even, influence subsequent drainage, when taking the water of well internal portion out and when pouring into the outlet pipe, the spring can extend under the effect of the impact force of water, the non return sheet removes towards the direction of keeping away from the crown plate, in order to open the outlet pipe mouth of pipe, thereby discharge ponding, after ponding discharges, thereby the spring kick-backs and drives the non return sheet and close in outlet pipe mouth of pipe department again.
Optionally, the cover plate comprises a fixing plate fixedly connected to the well body opening and a turning plate rotatably connected to the well body opening, and a fixing hole for a drain pipe to penetrate through is formed in the side wall of the turning plate; the side wall of the fixed plate, facing the turning plate, is provided with a first rubber ring, the side wall of the fixed plate, close to the fixed hole, is provided with a second rubber ring, the side wall of the first rubber ring is attached to the side wall of the turning plate, and the outer side wall of the drain pipe is attached to the second rubber ring.
Through adopting above-mentioned technical scheme, the setting of first rubber circle and second rubber circle can increase and turn over board and fixed plate seam crossing to and the leakproofness of drain pipe and fixed orifices seam crossing, reduce the rainwater from turning over board and fixed plate seam crossing, and in drain pipe and the fixed orifices seam crossing infiltration well body, improve the leakproofness.
Optionally, the upper end of the second rubber ring extends to the outside of the fixing hole, and the upper end face of the second rubber ring is arranged at one side of the position, far away from the drain pipe, of the second rubber ring in a downward inclined mode.
Through adopting above-mentioned technical scheme, the second rubber circle of up end slope can further prevent that the rainwater from flowing into well internal portion from the seam crossing of drain pipe with fixed orifices department, improves waterproof nature.
Optionally, a fixing groove is formed in the lower surface of the turning plate and located at the edge of the turning plate along the circumferential direction of the turning plate, a third rubber ring is inserted into the fixing groove, a cavity is formed in the third rubber ring along the circumferential direction of the third rubber ring, a gravity block is arranged in the cavity, pull ropes are symmetrically arranged on the upper surface of the third rubber ring, and the side wall, far away from the third rubber ring, of each pull rope penetrates through the turning plate and is connected with a rotating rod in a parallel mode.
Through adopting above-mentioned technical scheme, when the board is turned over in needs opening, at first rotate the bull stick in order to with the stay cord wire-wound on the bull stick to in making the third rubber circle insert the fixed slot completely, when will turning over on the board lid closes the bull stick, third rubber circle lower part breaks away from the fixed slot and covers the seam crossing of closing at apron and well body under the action of gravity piece, reduces the possibility of rainwater infiltration well body inside.
Optionally, the inner wall of the well body is provided with a sealing gasket along the circumferential direction of the inner wall, a support frame is arranged in the well body, the lower end of the support frame is fixedly connected to the bottom wall of the well body, and the side wall of the support frame abuts against the outer side wall of the sealing gasket.
Through adopting above-mentioned technical scheme, the setting of support frame can strengthen sealed the degree of closeness of being connected of filling up with the well internal wall, reduces sealed the pad and drops after long-term the use, influences the sealed condition of filling up to the leakproofness of well internal wall then.
Optionally, the support frame is provided with a plurality of drying bags, and drying agents are contained in the drying bags.
Through adopting above-mentioned technical scheme, the setting of drier can reduce the wet sense of well internal portion, keeps well internal portion dry and comfortable.
Optionally, a construction method adopted by the power cable tube bundle working well includes the following steps:
s1, excavating a foundation pit to enable the height of the foundation pit to be consistent with the height required by a well body, then pouring concrete at the bottom of the foundation pit to form a bottom plate, binding vertical reinforcing steel bars above the bottom plate, binding a plurality of transverse reinforcing steel bars on the side walls of the vertical reinforcing steel bars along the height direction of the vertical reinforcing steel bars, sequentially pouring concrete on the vertical reinforcing steel bars and the transverse reinforcing steel bars, forming the well body by the poured vertical reinforcing steel bars, forming a ladder stand by the poured transverse reinforcing steel bars, and reserving through holes for cable arrangement pipes to penetrate through in the pouring process;
s2, installing a cable support in the middle of a bottom plate through a bolt, excavating a water accumulation groove on the upper surface of the bottom plate and at the edge of the bottom plate, fixedly installing two limiting plates on the inner side wall of the water accumulation groove through a bolt, placing a floating ball in the water accumulation groove between the two limiting plates, installing a photoelectric switch between the two limiting plates, and connecting the photoelectric switch to a controller through a data line;
s3, adhering a sealing gasket on the inner side wall of the well body, fixing a support frame on the upper surface of the bottom plate close to the sealing gasket along the circumferential direction of the bottom plate, enabling the support frame to abut against the surface of the sealing gasket, and binding a plurality of drying bags containing drying agents on the support frame;
s4, pouring a fixing plate on the top wall of the well body, adhering a first rubber ring to the side wall, far away from the fixed connection part of the fixing plate and the well body, of the fixing plate, forming a fixing hole in the fixing plate, adhering a second rubber ring to the inner wall of the fixing hole, inserting a drain pipe in the second rubber ring, enabling one end of the drain pipe to be inserted into the well body and located in the accumulated water groove, installing the other end of the drain pipe on a water suction pump through a flange plate, enabling one end, far away from the drain pipe, of the water suction pump to be provided with a water outlet pipe, and electrically connecting a controller to the water suction pump;
s5, the upper end of the well body is rotatably connected with a turning plate through a rotating shaft, a second rubber ring is bonded on the side wall of the fixing plate facing the turning plate, a rotating rod is inserted on the side wall of the turning plate away from the well body, a fixing groove is formed in the outer surface of the turning plate facing the well body, a third rubber ring is inserted in the fixing groove, a gravity block is inserted in the third rubber ring, and a pull rope is bonded on the upper surface of the third rubber ring so as to penetrate through the turning plate and be wound on the rotating rod;
and S6, laying a cable, penetrating the cable into the well body through the through hole on one side of the well body, penetrating the cable through the cable support, and penetrating the cable out of the well body from the through hole on the other side of the well body.
Through adopting above-mentioned technical scheme, the setting of first rubber circle can reduce the rainwater and get into the well body from the seam crossing of turning over board and fixed plate, the setting of second rubber circle can reduce the rainwater and ooze into the well body from the seam crossing of fixed orifices and drain pipe, when turning over the board lid and closing in well body top, the third rubber circle is laminated in the seam crossing of turning over board and well body under the effect of gravity piece, it infiltrates the well body from the seam crossing of turning over board and well body to reduce the rainwater, the setting of sealed pad can reduce groundwater and infiltrate into the well body from the well body inner wall, the water that infiltrates into the well body carelessly will fall into the ponding ditch inslot, the floater shifts up under the buoyancy effect of water this moment, when photoelectric switch detected the floater, the controller starts the suction pump, ponding in the ponding ditch inslot is discharged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. rainwater permeating into the well body from the joint of the cover plate and the well body and the side wall of the well body enters the water accumulation groove, the floating ball floats upwards under the buoyancy effect of water, when the photoelectric switch moves upwards to the photoelectric switch, the photoelectric switch sends a switch signal to the controller, and the controller starts the water suction pump to discharge accumulated water;
2. the setting of first rubber circle and second rubber circle can increase and turn over board and fixed plate seam crossing to and the leakproofness of drain pipe and fixed orifices seam crossing, reduce the rainwater from turning over board and fixed plate seam crossing, and in drain pipe and the fixed orifices seam crossing infiltration well body, improve the leakproofness.
Drawings
FIG. 1 is a schematic structural diagram of a power cable gang tubular tool well in an embodiment.
Fig. 2 is a sectional view for embodying the internal structure of the well body in the embodiment.
Fig. 3 is an enlarged schematic view of the structure of part a in fig. 2.
Fig. 4 is an enlarged schematic view of the structure of part B shown in fig. 2.
Fig. 5 is an enlarged schematic view of the structure of part C shown in fig. 2.
FIG. 6 is an enlarged schematic view of the embodiment for showing the positional relationship between the floating ball and the water accumulation groove.
Description of reference numerals: 1. a well body; 11. a gasket; 12. a support frame; 13. drying the bag; 14. a through hole; 15. a cable holder; 2. a base plate; 21. a water accumulation groove; 22. a limiting plate; 221. a hole of abdication; 23. a floating ball; 24. a photoelectric switch; 25. a controller; 3. a cover plate; 31. turning over a plate; 311. fixing grooves; 312. a third rubber ring; 3121. a cavity; 3122. a gravity block; 313. a rotating rod; 314. pulling a rope; 32. a fixing plate; 321. a first rubber ring; 322. a fixing hole; 323. a second rubber ring; 4. a drain pipe; 41. a water pump; 42. a water outlet pipe; 421. a ring plate; 422. a spring; 423. a check sheet.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses power cable calandria worker well. Referring to fig. 1 and 2, the power cable tube bundle working well comprises a well body 1 with a circular cross section and a bottom plate 2 poured at the bottom of the well body 1 through concrete, wherein the side wall of the well body 1 is provided with a plurality of through holes 14 for cable tube bundles to penetrate through, and the middle part of the bottom plate 2 is provided with a cable support 15 for making a cable through a bolt; the top of the well body 1 is open, and the end part of the well body 1 close to the open is provided with a cover plate 3, the cover plate 3 comprises a fixing plate 32 which is fixedly poured on the upper end of the well body 1 through concrete, and a turning plate 31 which is rotatably connected on the upper end of the well body 1 through a rotating shaft.
Referring to fig. 2 and 3, a fixing groove 311 is formed in the outer surface of the turning plate 31 facing the well body 1 along the circumferential direction, a third rubber ring 312 is inserted into the fixing groove 311, a cavity 3121 is formed in the third rubber ring 312, a gravity block 3122 is inserted into the cavity 3121, a pull rope 314 is symmetrically bonded to the upper surface of the third rubber ring 312, one end of the pull rope 314 far away from the third rubber ring 312 penetrates through the turning plate 31 and is wound with a rotating rod 313, and the rotating rod 313 is rotatably connected above the turning plate 31; the fixed plate 32 is fixedly bonded with a second rubber ring 323 facing the side wall of the turning plate 31, when the turning plate 31 is rotated and covered above the well body 1, the turning plate 31 is attached to the second rubber ring 323, and at this time, the third rubber ring 312 is partially separated from the fixed groove 311 under the action of the gravity block 3122 and is attached to the seam between the turning cover and the well body 1, so as to improve the sealing property.
Referring to fig. 2 and 4, a fixing hole 322 is formed through the upper surface of the fixing plate 32, a first rubber ring 321 is bonded to the inner wall of the fixing hole 322, a drain pipe 4 is inserted into the first rubber ring 321, and the drain pipe 4 is tightly attached to the side wall of the first rubber ring 321; the upper end of the first rubber ring 321 extends out of the fixing hole 322, and the upper end face of the first rubber ring 321 is located on one side of the position far away from the drain pipe 4 and is vertically and obliquely arranged downwards.
Referring to fig. 2 and 5, one end of the drain pipe 4 is located inside the well body 1, the other end of the drain pipe 4 is connected with a water pump 41 through a flange, the other end of the water pump 41 is connected with a water outlet pipe 42 through a flange, a ring plate 421 is bonded to the inner wall of one end of the water outlet pipe 42 away from the drain pipe 4, a check piece 423 is inserted into one end of the water outlet pipe 42 close to the ring plate 421, the check piece 423 can be EPP foam, a plurality of springs 422 are bonded between the check piece 423 and the ring plate 421, and the springs 422 can be cylindrical compression springs 422; when the spring 422 is in an initial state, the check sheet 423 covers the pipe orifice of the water outlet pipe 42, when the water pump 41 pumps out accumulated water in the well and pumps the accumulated water into the water outlet pipe 42, the accumulated water is far away from the water outlet pipe 42 under impact, the pipe orifice of the water outlet pipe 42 is opened at the moment so that the accumulated water is discharged, and after the accumulated water is discharged, the check sheet 423 covers the pipe orifice of the water outlet pipe 42 again under the driving of the spring 422.
Referring to fig. 2 and 6, bottom plate 2 upper surface just is located its periphery and has seted up ponding slot 21, drain pipe 4 lower extreme is located ponding slot 21, two limiting plates 22 of bolt fixedly connected with are passed through to ponding slot 21 inside wall, the hole of stepping down 221 that supplies ponding to pass through has all been seted up to each limiting plate 22 lateral wall, the floater 23 that foamed plastic made has been placed between two limiting plates 22, floater 23 is located ponding slot 21, when ponding slot 21 has ponding in, floater 23 will move up under the buoyancy of water.
Referring to fig. 2 and 6, the two limiting plates 22 are provided with the photoelectric switch 24 on the side walls facing each other, the photoelectric switch 24 may be a correlation type photoelectric switch, the transmitter of the photoelectric switch 24 is installed on one of the limiting plates 22, the receiver of the photoelectric switch 24 is installed on the other limiting plate 22, the photoelectric switch 24 is electrically connected to the controller 25, the controller 25 is placed on the bottom plate 2, the controller 25 may be a PLC controller, the controller 25 is electrically connected to the water suction pump 41, when the floating ball 23 moves up to the position of the photoelectric switch 24, the floating ball 23 blocks the light emitted by the photoelectric switch 24, at this time, the photoelectric switch 24 sends a switching signal to the controller 25, and the controller 25 starts the water suction pump 41 to pump water.
Referring to fig. 2, a rubber gasket 11 is fixedly bonded to the side wall of the well body 1 along the circumferential direction thereof, and a through hole 14 penetrates through the gasket 11; the upper surface that bottom plate 2 is close to sealed 11 departments of filling up passes through bolt fixedly connected with support frame 12, and support frame 12 is contradicted in sealed 11 surfaces of filling up, and the lateral wall that support frame 12 deviates from sealed 11 departments of filling up has a plurality of drying bag 13 through the rope binding system, and the built-in drier that contains of drying bag 13, the drier can be active carbon to reduce the inside humidity of well body 1.
A construction method adopted by a power cable tube arranging working well comprises the following steps:
s1, excavating a foundation pit to enable the height of the foundation pit to be consistent with the height required by the well body 1, then pouring concrete at the bottom of the foundation pit to form a bottom plate 2, binding vertical reinforcing steel bars above the bottom plate 2, binding a plurality of transverse reinforcing steel bars on the side walls of the vertical reinforcing steel bars along the height direction of the vertical reinforcing steel bars, sequentially pouring concrete on the vertical reinforcing steel bars and the transverse reinforcing steel bars, forming the well body 1 by the poured vertical reinforcing steel bars, forming a ladder stand by the poured transverse reinforcing steel bars, and reserving a through hole 14 for the cable calandria to penetrate through in the pouring process;
s2, installing a cable support 15 in the middle of a bottom plate 2 through a bolt, digging a water accumulation groove 21 on the upper surface of the bottom plate 2 and at the edge of the bottom plate, fixedly installing two limiting plates 22 on the inner side walls of the water accumulation groove 21 through bolts, placing a floating ball 23 in the water accumulation groove 21 between the two limiting plates 22, installing a photoelectric switch 24 between the two limiting plates 22, and connecting the photoelectric switch 24 to a controller 25 through a data line;
s3, adhering a sealing gasket 11 on the inner side wall of the well body 1, fixing a support frame 12 on the upper surface of the bottom plate 2 close to the sealing gasket 11 along the circumferential direction of the bottom plate, enabling the support frame 12 to abut against the surface of the sealing gasket 11, and binding a plurality of drying bags 13 containing drying agents on the support frame 12;
s4, pouring a fixing plate 32 on the top wall of the well body 1, adhering a first rubber ring 321 on the side wall of the fixing plate 32 far away from the fixed connection part with the well body 1, forming a fixing hole 322 on the fixing plate 32, adhering a second rubber ring 323 on the inner wall of the fixing hole 322, inserting a drain pipe 4 in the second rubber ring 323, inserting one end of the drain pipe 4 into the well body 1 and locating in the ponding groove 21, installing the other end of the drain pipe 4 on the water suction pump 41 through a flange plate, installing a water outlet pipe 42 on one end of the water suction pump 41 far away from the drain pipe 4, and electrically connecting the controller 25 to the water suction pump 41;
s5, the upper end of the well body 1 is rotatably connected with the turning plate 31 through a rotating shaft, a second rubber ring 323 is adhered to the side wall of the fixing plate 32 facing the turning plate 31, a rotating rod 313 is inserted on the side wall of the turning plate 31 facing away from the well body 1, a fixing groove 311 is formed in the outer surface of the turning plate 31 facing the well body 1, a third rubber ring 312 is inserted in the fixing groove 311, a gravity block 3122 is inserted in the third rubber ring 312, and a pull rope 314 is adhered to the upper surface of the third rubber ring 312, so that the pull rope 314 penetrates through the turning plate 31 and is wound on the rotating rod 313;
and S6, laying a cable, penetrating the cable into the well body 1 through the through hole 14 on one side of the well body 1, penetrating the cable through the cable support 15, and penetrating out of the well body 1 from the through hole 14 on the other side of the well body 1.
The implementation principle of this application embodiment a power cable calandria worker well does: the cable penetrates through a through hole 14 on one side of the well body 1 and enters the well body 1, then penetrates through a cable support 15, and then penetrates out of the well body 1 from the through hole 14 on the other side of the well body 1, so that the laying of the cable is realized;
when the maintenance is not needed, the turning plate 31 covers the opening of the well body 1, at the moment, the third rubber pad partially moves out of the fixing groove 311 under the action of gravity of the gravity block 3122 and is tightly attached to the seam between the turning plate 31 and the upper end surface of the well body 1, when accumulated water is carelessly infiltrated into the well body 1, the accumulated water flows into the accumulated water groove 21, the floating ball 23 moves up under the buoyancy action of the accumulated water groove 21, when the moving height of the floating ball 23 is consistent with the height of the photoelectric switch 24, the photoelectric switch 24 sends a signal to the controller 25, and the controller 25 starts the water suction pump 41 to pump the accumulated water in the accumulated water groove 21 to the water outlet pipe 42 through the water discharge pipe 4 to be discharged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a power cable calandria worker well, includes the well body (1), sets up in bottom plate (2) of well body (1) bottom and covers apron (3) of the uncovered department in well body (1) upper end, its characterized in that: a water accumulation groove (21) is formed in the upper surface of the bottom plate (2) and is positioned at the edge of the bottom plate along the circumferential direction of the bottom plate, and a cable support (15) for laying a cable is arranged in the middle of the bottom plate (2); a drain pipe (4) is arranged in the well body (1), one end of the drain pipe (4) is positioned in the water accumulation groove (21), and the other end of the drain pipe (4) penetrates through the cover plate (3) and is communicated with a water suction pump (41) through a pipeline; be provided with floater (23) in ponding slot (21), the lateral wall that well body (1) is close to floater (23) department is provided with photoelectric switch (24), photoelectric switch (24) electricity is connected with controller (25), controller (25) electricity is connected in suction pump (41) to start suction pump (41) when photoelectric switch (24) detect floater (23).
2. A power cable racking well according to claim 1, wherein: ponding slot (21) inside wall symmetry is provided with limiting plate (22), and photoelectric switch (24) are located limiting plate (22), floater (23) are located between two limiting plate (22), each limiting plate (22) lateral wall all is seted up a plurality of and is supplied ponding hole of stepping down (221) that flow through.
3. A power cable racking well according to claim 1, wherein: one end intercommunication that drain pipe (4) department was kept away from in suction pump (41) has outlet pipe (42), the one end inner wall that suction pump (41) department was kept away from in outlet pipe (42) is provided with crown plate (421), the inside that outlet pipe (42) are close to crown plate (421) department is provided with non return piece (423), be connected with a plurality of spring (422) between non return piece (423) and crown plate (421) jointly.
4. A power cable racking well according to claim 1, wherein: the cover plate (3) comprises a fixing plate (32) fixedly connected to the opening of the well body (1) and a turning plate (31) rotatably connected to the opening of the well body (1), and a fixing hole (322) for the drainage pipe (4) to penetrate through is formed in the side wall of the turning plate (31); the side wall of the fixing plate (32) towards the turning plate (31) is provided with a first rubber ring (321), the side wall of the fixing plate (32) close to the fixing hole (322) is provided with a second rubber ring (323), the side wall of the first rubber ring (321) is attached to the side wall of the turning plate (31), and the outer side wall of the drain pipe (4) is attached to the second rubber ring (323).
5. A power cable racking well according to claim 4, wherein: the upper end of the second rubber ring (323) extends to the outside of the fixing hole (322), and the upper end face of the second rubber ring (323) is positioned on one side of the second rubber ring far away from the drain pipe (4) and is inclined downwards.
6. A power cable racking well according to claim 4, wherein: the turning plate is characterized in that a fixing groove (311) is formed in the lower surface of the turning plate (31) and located at the edge of the turning plate along the circumferential direction of the turning plate, a third rubber ring (312) is inserted into the fixing groove (311), a cavity (3121) is formed in the third rubber ring (312) along the circumferential direction of the third rubber ring, a gravity block (3122) is arranged in the cavity (3121), a pull rope (314) is symmetrically arranged on the upper surface of the third rubber ring (312), and the side wall, far away from the third rubber ring (312), of the pull rope (314) penetrates through the turning plate (31) and is wound with a rotating rod (313).
7. A power cable racking well according to claim 4, wherein: the well body (1) inner wall is provided with sealed pad (11) along its circumference, the inside support frame (12) that is provided with of well body (1), support frame (12) lower extreme fixed connection is in well body (1) diapire, support frame (12) lateral wall butt is in sealed pad (11) lateral wall.
8. A power cable racking well according to claim 7, wherein: the drying rack is characterized in that a plurality of drying bags (13) are arranged on the supporting rack (12), and drying agents are filled in the drying bags (13).
9. The construction method adopted by the power cable calandria working well according to any one of claims 1 to 8, characterized by comprising: the method comprises the following steps:
s1, excavating a foundation pit to enable the height of the foundation pit to be consistent with the height required by the well body (1), then pouring concrete at the bottom of the foundation pit to form a bottom plate (2), binding vertical steel bars above the bottom plate (2), binding a plurality of transverse steel bars on the side walls of the vertical steel bars along the height direction of the vertical steel bars, sequentially pouring concrete on the vertical steel bars and the transverse steel bars, forming the well body (1) by the poured vertical steel bars, forming a ladder stand by the poured transverse steel bars, and reserving a through hole (14) for the cable calandria to penetrate through in the pouring process;
s2, installing a cable support (15) in the middle of a bottom plate (2) through a bolt, digging a water accumulation groove (21) on the upper surface of the bottom plate (2) and at the edge of the bottom plate, fixedly installing two limiting plates (22) on the inner side wall of the water accumulation groove (21) through bolts, placing a floating ball (23) in the water accumulation groove (21) between the two limiting plates (22), installing a photoelectric switch (24) between the two limiting plates (22), and connecting the photoelectric switch (24) to a controller (25) through a data line;
s3, adhering a sealing gasket (11) to the inner side wall of the well body (1), fixing a support frame (12) on the upper surface of the bottom plate (2) close to the sealing gasket (11) along the circumferential direction of the bottom plate, enabling the support frame (12) to abut against the surface of the sealing gasket (11), and binding a plurality of drying bags (13) containing drying agents on the support frame (12);
s4, pouring a fixing plate (32) on the top wall of the well body (1), adhering a first rubber ring (321) to the side wall, far away from the fixed connection part of the fixing plate (32) and the well body (1), of the fixing plate (32), forming a fixing hole (322) in the fixing plate (32), adhering a second rubber ring (323) to the inner wall of the fixing hole (322), inserting a drain pipe (4) into the second rubber ring (323), inserting one end of the drain pipe (4) into the well body (1) and locating in the ponding groove (21), installing the other end of the drain pipe (4) on the water suction pump (41) through a flange plate, installing a water outlet pipe (42) at one end, far away from the drain pipe (4), of the water suction pump (41), and electrically connecting a controller (25) to the water suction pump (41);
s5, the upper end of the well body (1) is rotatably connected with the turning plate (31) through the rotating shaft, a second rubber ring (323) is bonded on the side wall of the fixing plate (32) facing the turning plate (31), a rotating rod (313) is inserted on the side wall of the turning plate (31) deviating from the well body (1), a fixing groove (311) is formed in the outer surface of the turning plate (31) facing the well body (1), a third rubber ring (312) is inserted in the fixing groove (311), a gravity block (3122) is inserted in the third rubber ring (312), and a pull rope (314) is bonded on the upper surface of the third rubber ring (312) so that the pull rope (314) penetrates through the turning plate (31) and is wound on the rotating rod (313);
s6, laying a cable, enabling the cable to pass through the through hole (14) on one side of the well body (1) to enter the well body (1), and after passing through the cable support (15), penetrating out of the well body (1) from the through hole (14) on the other side of the well body (1).
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| CN202110567834.0A CN113293801B (en) | 2021-05-24 | 2021-05-24 | Power cable pipe arrangement working well and construction method thereof |
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| CN202110567834.0A CN113293801B (en) | 2021-05-24 | 2021-05-24 | Power cable pipe arrangement working well and construction method thereof |
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| CN113293801B CN113293801B (en) | 2022-10-14 |
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| CN114809092A (en) * | 2022-05-10 | 2022-07-29 | 中铁九局集团电务工程有限公司 | Communication optical cable well and construction method thereof |
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| CN113293801B (en) | 2022-10-14 |
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