CN212316993U

CN212316993U - Power cable calandria worker well structure

Info

Publication number: CN212316993U
Application number: CN202020868054.0U
Authority: CN
Inventors: 姚晴晴; 赵小冬; 邵锐; 温素兵; 张�浩
Original assignee: Anhui Ocean Power Engineering Co ltd
Current assignee: Anhui Ocean Power Engineering Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-08
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to a power cable calandria worker well structure, including the worker well body, the bottom surface of worker well body on the fixed sump pit that is provided with, the sump pit sets up along the straight line that is on a parallel with worker well body bottom surface central line, the one end of sump pit is connected with the drain pipe. Rainwater that will flow into this worker well in time discharges, is difficult for appearing the phenomenon of this internal ponding of worker well.

Description

Power cable calandria worker well structure

Technical Field

The utility model belongs to the technical field of the technique of electric power facility and specifically relates to a power cable calandria worker well structure is related to.

Background

At present, the power calandria is a common device for laying power cables, is used for protecting the inlet wires of the power cables laid underground, and in the wiring engineering, a calandria working well is usually used as a construction point of electric ground operation or a containment point of the power cables, and has a more important position. The cable gang pipe well arranged at the heavy-duty roadway has higher requirements on the aspect of load bearing due to the fact that the cable gang pipe well is often rolled by heavy-duty vehicles.

The patent publication No. CN205224094U discloses a power cable calandria working well structure, which is used for laying power cables at the position of a heavy-duty vehicle roadway, the working well comprises a base, a cable support frame, a well wall, a protective edge and a well cover, the cable support frame comprises a channel steel piece and an anchor bar, the channel steel piece and the anchor bar are fixedly connected through welding and are fixedly connected at the position of the well wall through concrete pouring; the well wall is fixedly connected to the upper part of the base, is formed by bricking or pouring concrete and is provided with a calandria through hole; the protective edge is arranged on the end surface of the top of the well wall, and is formed by pouring, fixedly connecting and molding an angle steel piece and concrete; the protective edge is covered with a well cover. When the cable duct bank is used for the construction of cable duct banks in a heavy-duty road, the cable duct bank has better bearing capacity.

However, in the actual setting process of the structure, the top surface of the base is a gentle structure, and the manhole cover covered on the top of the manhole structure is usually not sealed for maintenance. When the phenomenon of rainstorm appears, the drainage pressure of outside rainwater pipeline is big, can not be timely will flow into the rainwater discharge in this worker's well, leads to the phenomenon of ponding to appear in the worker's well easily, and then leads to easily installing the cable in the worker's well structure and soaked by the rainwater, and then the phenomenon of damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a power cable calandria worker well structure, its can be timely will flow into the rainwater discharge in this worker well, be difficult for appearing the phenomenon of this internal ponding of worker well.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a power cable calandria worker well structure, includes the worker well body, the bottom surface of worker well body on the fixed sump pit that is provided with, the sump pit sets up along the straight line that is on a parallel with worker well body bottom surface central line, the one end of sump pit is connected with the drain pipe.

Through adopting above-mentioned technical scheme, be provided with a sump pit again on the bottom surface of worker's well body to be connected drain pipe and municipal rainwater drainage pipe. When rainwater permeates into the work well body from the well lid, the rainwater accumulated in the work well body can flow into the water collecting pit and then is discharged from the drainage pipe. The rainwater that it can be timely will flow into in this worker's well is discharged, is difficult for appearing this internal ponding's of worker's well phenomenon.

The present invention may be further configured in a preferred embodiment as: the bottom surface of worker's well body on seted up the mounting groove, the mounting groove is seted up along the central line of worker's well body bottom surface, fixedly on the bottom surface of worker's well body be provided with the concrete plate, the concrete plate is laid along the inside wall of the bottom surface of worker's well body and mounting groove, the sump pit is seted up on the concrete plate.

Through adopting above-mentioned technical scheme, pour the concrete on the bottom surface of worker's well body to set up the sump pit on the concrete plate. The structure of the bottom surface of the whole working well body is more stable and can bear larger pressure. And because the bottom surface of worker's well body is the concrete, make this internal moisture of being difficult for accumulating of worker's well, make whole worker's well body drier when not raining, the power cable of setting in worker's well body is safer, and is not fragile.

The present invention may be further configured in a preferred embodiment as: the concrete plate is provided with two overlapping grooves which are respectively arranged along the side edge of the opening of the water collecting pit, the opening of the water collecting pit is covered with a drainage grate which is arranged along the water collecting pit, and the two opposite sides of the drainage grate are respectively embedded in the two overlapping grooves.

Through adopting above-mentioned technical scheme, the hydrophobic double-edged fine-toothed comb can play the effect of filtering debris, makes in debris are difficult for falling into the sump pit, and then makes the drain pipe that catchment root is connected be difficult for blockking up. And in the workman goes down this internally of worker's well, when overhauing power cable, be difficult for stepping on in the sump pit, its fine protection workman.

The present invention may be further configured in a preferred embodiment as: the side edges of the drainage grate adjacent to the overlapping grooves are overlapping edges, the overlapping edges of the drainage grate are hinged with floating plates, the floating plates are located on the lower side of the drainage grate, the rotating axis of each floating plate is parallel to the overlapping edges, and the distance between the side edge of each floating plate, which is far away from the rotating shaft of the floating plate, and the rotating shaft is equal to half of the distance between the two overlapping edges of the drainage grate.

Through adopting above-mentioned technical scheme, because the drain pipe is connected with municipal rainwater drainage pipe, when rainstorm, easy because rainwater flow is too big in the municipal rainwater drainage pipe, and the phenomenon that the rainwater flows backward to the sump appears. When rainwater flows back into the water collecting pit, the floating plate can be supported by the rainwater to float. When the floating plate is supported by rainwater and is abutted to the drainage grate, the opening of the water collecting pit is blocked by the floating plate. This internal speed of this moment rainwater pours into worker's well is slower, and after the torrential rain, municipal rainwater drainage pipe's rainwater flow reduces, and later the rainwater in the sump can be discharged into municipal rainwater drainage pipe through the drain pipe once more in to difficult this internal phenomenon of this internal that pours into worker's well into in a large number of rainwater of appearing, fine protection this internal power cable of worker's well.

The present invention may be further configured in a preferred embodiment as: the side edge of the floating plate far away from the rotation axis is fixedly provided with a lap joint strip, and the lap joint strip is a water-swelling rubber strip.

Through adopting above-mentioned technical scheme, meet water inflation rubber strip volume can increase after contacting water, and when the floating plate is held up by water to rotate to with hydrophobic grate butt, two floating plates are close to the gap between the side each other and are stopped up by meeting water inflation rubber strip, have further reduced the rainwater and have poured into this internal speed of worker's well into.

The present invention may be further configured in a preferred embodiment as: the floating plate is fixedly provided with a thickening edge, the thickening edge is arranged on one side of the floating plate far away from the rotating axis of the floating plate, and when the floating plate rotates to the horizontal position, the thickening edge is positioned on the bottom surface of the floating plate.

Through adopting above-mentioned technical scheme, when having rainwater to gather in the sump, the last thickened edge of floating plate can contact the rainwater earlier, makes more easy quilt of floating plate hold up and rotate.

The present invention may be further configured in a preferred embodiment as: the cross section of the water collecting pit is trapezoidal, the opening of the water collecting pit is a trapezoidal upper bottom, and the length of the trapezoidal upper bottom is greater than that of the trapezoidal lower bottom.

Through adopting above-mentioned technical scheme, the bottom surface width of trapezoidal sump pit is less, can be more complete with the water of sump pit bottom from the drain pipe discharge. And when the floating plate is not supported by water, the whole floating plate is attached to the side edge of the water collecting pit in an inclined state, so that the floating plate can be more easily floated when water exists in the water collecting pit.

The present invention may be further configured in a preferred embodiment as: the top surface of the concrete plate is divided into a left top surface and a right top surface, the left top surface and the right top surface are respectively positioned at two sides of the water collecting pit, the left top surface and the right top surface are inclined surfaces, and the side edges, close to each other, of the left top surface and the right top surface are the lowest edges of the inclined surfaces.

By adopting the technical scheme, the bottom surface of the inner side of the working well body is an inclined surface, and rainwater can be collected into the water collection pit more completely when flowing into the working well body, so that the rainwater can be discharged conveniently.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rainwater flowing into the working well can be timely discharged, and the phenomenon of water accumulation in the working well body is not easy to occur;

2. the phenomenon that rainwater is poured into the working well body in a large quantity is not easy to occur, and the power cable in the working well body is well protected.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram after a part of the work well body is hidden.

Fig. 3 is a schematic structural view of a hydrophobic comb.

In the figure, 1, a working well body; 11. mounting grooves; 2. a concrete slab; 21. a sump; 22. a drain pipe; 3. draining the water; 31. a lap joint groove; 32. a floating plate; 33. thickening the edge; 34. and (6) overlapping strips.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a power cable calandria worker well structure, including worker well body 1, seted up mounting groove 11 on worker well body 1's the bottom surface, mounting groove 11 is seted up along the central line of worker well body 1 bottom surface. Concrete is poured on the bottom surface of the work well body 1 to form a concrete plate 2, and the concrete plate 2 is laid along the bottom surface of the work well body 1 and the inner side wall of the installation groove 11. A water collecting pit 21 is formed in the top surface of the concrete plate 2, and the water collecting pit 21 is formed along a straight line parallel to the center line of the bottom surface of the working well body 1. The top surface of the concrete slab 2 is divided into two by the sump 21, which are called left top surface and right top surface, respectively. The left top surface and the right top surface are both inclined surfaces, and the side edges of the left top surface and the right top surface, which are close to each other, are the lowest edges of the inclined surfaces. The cross section of the water collecting pit 21 is in an isosceles trapezoid shape, the side where the opening is located is an upper bottom, the side where the bottom surface is located is a lower bottom, and the length of the upper bottom is greater than that of the lower bottom. The side wall of the working well body 1 is connected with a drain pipe 22, one end of the drain pipe 22 is connected into the sump 21, and the other end of the drain pipe 22 is connected with a municipal rainwater drain pipe 22.

Referring to fig. 2 and 3, a lap joint groove 31 is formed on both the left and right top surfaces of the concrete slab 2, and the lap joint groove 31 is formed along the sump 21. The opening of the water collecting pit 21 is covered with a row of drainage grates 3, and the drainage grates 3 are laid along the water collecting pit 21. The side edges of the drain grate 3 adjacent to the left top surface and the right top surface are lapping edges, and the lapping edges of the drain grate 3 are respectively embedded in the two lapping grooves 31. The bottom surface of the drain grate 3 is hinged with two floating plates 32, the floating plates 32 are hinged on the overlapping edge of the drain grate 3, and the rotating axis is parallel to the overlapping edge. The floating plate 32 is integrally formed with a thickened edge 33 on the side away from the rotation axis, and when the floating plate 32 rotates to the position of being attached to the drain grate 3, the thickened edge 33 is arranged on the bottom surface of the floating plate 32. The distance between the side edge of the floating plate 32 provided with the thickened edge 33 and the rotation axis thereof is equal to half of the distance between the two overlapping edges of the hydrophobic grate 3, and the overlapping strip 34 serving as a water-swelling rubber strip is adhered to the side edge of the floating plate 32 away from the rotation axis thereof.

A water collecting pit 21 is further arranged on the bottom surface of the work well body 1, and a drain pipe 22 is connected with a municipal rainwater drain pipe 22. When rainwater permeates into the work well body 1 from the well lid, rainwater accumulated in the work well body 1 can flow into the sump 21 and then be discharged from the drain pipe 22. When rainstorm occurs, the municipal rainwater drainage pipe 22 is easy to flow backward into the water collection pit 21 due to overlarge rainwater flow. When rainwater flows back into the sump 21, the floating plate 32 can float by being supported by the rainwater. When the floating plate 32 is held by rainwater to abut against the drain strainer 3, the opening of the sump 21 is blocked by the floating plate 32. And the gap between the adjacent sides of the two floating plates 32 is blocked by the lap strip 34. At this moment, the speed of pouring rainwater into the work well body 1 is slow, after rainstorm is over, the rainwater flow of the municipal rainwater drainage pipe 22 is reduced, and then rainwater in the water collecting pit 21 can be drained into the municipal rainwater drainage pipe 22 through the drainage pipe 22 again. The two floating plates 32 rotate and open under the action of gravity, allowing the water to flow normally into the sump 21. The phenomenon that a large amount of rainwater is poured into the working well body 1 is not easy to occur, and the power cable in the working well body 1 is well protected.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a power cable calandria worker well structure, includes worker well body (1), its characterized in that: the water collecting pit is characterized in that a water collecting pit (21) is fixedly arranged on the bottom surface of the work well body (1), the water collecting pit (21) is arranged along a straight line parallel to the center line of the bottom surface of the work well body (1), and one end of the water collecting pit (21) is connected with a water discharging pipe (22).

2. The power cable calandria worker well structure of claim 1, characterized in that: the bottom surface of worker's well body (1) on seted up mounting groove (11), mounting groove (11) are seted up along the central line of worker's well body (1) bottom surface, fixedly on the bottom surface of worker's well body (1) be provided with concrete plate (2), concrete plate (2) are laid along the inside wall of the bottom surface of worker's well body (1) and mounting groove (11), sump pit (21) are seted up on concrete plate (2).

3. A power cable calandria working well structure as claimed in claim 2, wherein: the concrete plate (2) on seted up two overlap joint groove (31), overlap joint groove (31) set up along sump pit (21) open-ended side respectively, the opening part lid in sump pit (21) is equipped with drainage grate (3), drainage grate (3) set up along sump pit (21), and the both sides that drainage grate (3) are relative inlay respectively and establish in two overlap joint groove (31).

4. A power cable calandria working well structure as claimed in claim 3, wherein: the side edges of the drainage grate (3) adjacent to the lap joint grooves (31) are lap joint edges, the lap joint edges of the drainage grate (3) are hinged with floating plates (32), the floating plates (32) are located on the lower side of the drainage grate (3), the rotating axes of the floating plates (32) are parallel to the lap joint edges, and the distance between the side edge of the floating plate (32) far away from the rotating shaft of the floating plate and the rotating shaft is equal to half of the distance between the two lap joint edges of the drainage grate (3).

5. A power cable calandria worker well structure of claim 4, characterized in that: the side edge of the floating plate (32) far away from the rotating axis is fixedly provided with a lap joint strip (34), and the lap joint strip (34) is a water-swelling rubber strip.

6. A power cable calandria worker well structure of claim 4, characterized in that: the floating plate (32) is fixedly provided with a thickening edge (33), the thickening edge (33) is arranged on one side of the floating plate (32) far away from the rotating axis of the floating plate, and when the floating plate (32) rotates to the horizontal position, the thickening edge (33) is positioned on the bottom surface of the floating plate (32).

7. The power cable calandria worker well structure of claim 1, characterized in that: the cross section of the water collecting pit (21) is trapezoidal, the opening of the water collecting pit (21) is a trapezoidal upper bottom, and the length of the trapezoidal upper bottom is greater than that of the trapezoidal lower bottom.

8. A power cable calandria working well structure as claimed in claim 2, wherein: the top surface of the concrete plate (2) is divided into a left top surface and a right top surface, the left top surface and the right top surface are respectively positioned at two sides of the water collecting pit (21), the left top surface and the right top surface are inclined surfaces, and the side edges, close to each other, of the left top surface and the right top surface are the lowest edges of the inclined surfaces.