CN216625246U - Box culvert type cable trench - Google Patents

Abstract

The utility model provides a box culvert type cable trench which comprises a cable trench, a foam concrete side wall, a planting rib, a communicating pipe, a floor drain valve, bottom foam concrete, a rainwater pipeline, a base, a plain concrete cushion layer, a cover plate, a water-swelling water stop strip, a vertical rainwater drainage pipe, an elliptical longitudinal rainwater drainage pipe, a lifting hook and a sand exposed trench. The box culvert type cable trench structure adopts integral pouring of foam concrete backfill, is high in rigidity, can eliminate uneven settlement, is convenient for maintenance of cables and cable trenches due to the open type box culvert structure, is provided with the rainwater drainage pipe inside the cable trench and communicated with the rainwater pipeline, effectively drains surface rainwater, prevents the rainwater from entering the cable trench, and protects the cables and equipment in the cable trench.

Description

Box culvert type cable trench

Technical Field

The utility model relates to the technical field of underground engineering construction, in particular to a box culvert type cable trench.

Background

With the promotion of urbanization in China, population centralization is obvious, and particularly, living spaces in old urban areas are crowded. Peripheral drainage system of residential area is old, and drainage capacity is poor, and ponding appears easily in rainy day, and power cable, communication cable etc. near simultaneously are built on stilts basically installs, form aerial spider net, and these phenomena all seriously influence the city appearance. Aiming at the problems, government related departments vigorously promote old urban area transformation, and in order to improve drainage capacity, new drainage channels are built; to protect the environment and prevent damage to the cable, the cable is buried in a cable trench. The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, is also an enclosure structure of laid cable facilities, and is widely applied to installation of various underground pipelines in cities.

Cable trenches are typically constructed of concrete or brick and covered at the top with a cover plate. Many raceway applications have appeared today, but more or less have some drawbacks. Such as: the cable trench of the outdoor transformer substation in the technical patent CN202022783539.2 has the advantages that the cable trench is higher than the ground, the attractiveness of the ground surface environment is inevitably influenced, the cable trench has water passing capability but does not have drainage capability, and the cable trench is easy to cause uneven settlement due to long-term rain wash and infiltration; the small-sized cable trench and the construction method thereof in the technical patent CN201911053398.4 adopt two processes of prefabrication and cast-in-place, so that the problem of uneven settlement is solved, but the process has no water drainage and water resistance, so that the problem of surface water accumulation cannot be solved, and the cable trench is easy to enter water; in addition, the cable trench facilitating cable maintenance disclosed in the technical patent CN201720275582.3 has poor water-proof capability, which exceeds the drainage capability of the cable trench itself, is easy to enter water, and is easy to have uneven settlement, causing deformation damage to the main body structure of the cable trench, collapse of the cable trench wall, or collapse due to loose and rusted metal supports in the cable trench.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a box culvert type cable trench which adopts foam concrete backfill for integral pouring, has high rigidity, can eliminate uneven settlement, is convenient for maintaining and curing cables and cable trenches by an open type box culvert structure, is internally provided with a rainwater drainage pipe and is communicated with a rainwater pipeline, effectively drains rainwater on the ground surface, prevents rainwater from entering the cable trench and protects the cables and equipment in the cable trench.

In order to solve the technical problem, the utility model provides a box culvert type cable trench which comprises a cable trench, foam concrete side walls, planting ribs, a communicating pipe, a floor drain valve, bottom foam concrete, a rainwater pipeline, a base, a plain concrete cushion layer, a cover plate, a water swelling stop strip capable of expanding when encountering water, vertical rain discharging pipes, oval longitudinal rain discharging pipes, a lifting hook and a sand exposed trench, wherein the sand exposed trench is arranged at the upper part of the box culvert type cable trench structure, the vertical rain discharging pipes are arranged in the wall bodies at two sides in the cable trench, the oval longitudinal rain discharging pipes are arranged at the bottom of the cable trench, and the oval longitudinal rain discharging pipes are provided with downward water leakage holes.

Furthermore, the vertical rain drainage pipes on the two sides inside the cable trench are communicated with each other, the vertical rain drainage pipes on the two sides after being communicated form a U-shaped structure, and the center of the bottom of the U-shaped structure is communicated with the oval vertical rain drainage pipes.

Further, be equipped with the lifting hook directly over the hole that leaks, the hole that leaks is connected with the closed conduit of lower part, vertical row's of rain pipe sub-unit connection is in the lateral part of the vertical row's of oval-shaped rain pipe, and vertical row's of rain pipe upper portion is connected with the grit open drain, the cable pit lower part is equipped with rainwater pipeline, and rainwater pipeline leads to with the vertical row's of rain pipe of oval-shaped through the closed conduit, be equipped with the floor drain valve in the closed conduit, the floor drain valve passes through stainless steel spring and is connected with the lifting hook.

Furthermore, the rainwater pipeline lower part is equipped with the base, the base lower part is equipped with plain concrete bed course, rainwater pipeline periphery is equipped with bottom foam concrete, the cable trench both sides are equipped with the foam concrete lateral wall, the bar planting sets up between cable trench and foam concrete lateral wall, the apron sets up at the cable trench top, and is equipped with two water swelling sealing strips in the rabbet level department of apron both sides, the top surface junction of cable trench wall and foam concrete lateral wall is equipped with water swelling sealing strip.

Further, the floor drain valve include stainless steel spring, leaking door, ball, buoyancy ball and connecting rod block water, the leaking door sets up in the hole below that leaks, is connected with the hole that leaks, the lifting hook is connected to stainless steel spring upper end, and the stainless steel spring lower extreme passes the leaking door and connects the ball that blocks water, block water ball bottom and pass through connecting rod and buoyancy ball) and link to each other.

Furthermore, the vertical rain drainage pipe and the elliptical longitudinal rain drainage pipe are embedded into the reinforcement cage of the cable trench.

The utility model has the beneficial effects that:

1. compared with the prior art, the box culvert type cable trench structure has the advantages that the integral pouring of foam concrete backfilling is adopted, the rigidity is high, the uneven settlement can be eliminated, the open type box culvert structure is convenient for the maintenance of cables and cable trenches, meanwhile, the rain drainage pipes are arranged in the cable trenches and communicated with rainwater pipelines, the rainwater on the ground surface is effectively drained, the rainwater is prevented from entering the cable trenches, and the cables and equipment in the cable trenches are protected.

2. In the utility model, the floor drain valve is arranged in the communicating pipe of the elliptical longitudinal rain drainage pipe and the rain drainage pipeline, when the rain is dry and rainless, the rainwater on the surface of the cable trench directly flows to the rain drainage pipeline through the floor drain valve to be drained, when the rain is excessive in rainy season, the water level of the rain drainage pipeline rises, the floor drain valve closes the communicating pipe, the rainwater on the surface of the cable trench is directly drained through the elliptical longitudinal rain drainage pipe, the double drainage channels effectively adjust the drainage capacity of a municipal drainage system, and the drainage capacity of the surface of the cable trench in rainy season is also ensured.

3. The cable trench and the rainwater pipeline are provided with the common trench, the trench is supported by the steel sheet piles, slope-releasing excavation is not needed, the earthwork excavation amount and the slope repairing workload are greatly reduced, the steel sheet piles are recycled at the later stage, the construction cost is reduced, and the overall construction efficiency is improved.

Drawings

Figure 1 is a schematic view of a box culvert cable trench structure;

FIG. 2 is a schematic cross-sectional view of a common trench;

FIG. 3 is a schematic connection diagram of a drainage system of a box culvert type cable trench structure;

FIG. 4 is a schematic view of the installation of the rain drain pipe;

FIG. 5 is a schematic illustration of foam concrete placement;

FIG. 6 is a schematic cross-sectional view of a cable trench;

FIG. 7 is a schematic view of the installation of the cover plate;

fig. 8 is a flow chart of a construction process of the box culvert type cable trench structure.

Wherein: 1-steel sheet pile; 2-cable trench; 3-foam concrete side wall; 4-planting bars; 5-communicating pipe; 6-bottom layer foam concrete; 7-rainwater pipe; 8-base; 9-plain concrete cushion layer; 10-cover plate; 11-water-swelling sealing strip; 12-a reinforcement cage; 13-vertical rain drainage pipe; 14-an elliptical longitudinal rain drainage pipe; 15-hook; 16-stainless steel spring; 17-water leakage hole; 18-a drain gate; 19-water blocking ball; 20-a buoyant ball; 21-connecting rod; 22-sand open ditch; 23-common groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1-8, the utility model provides a box culvert type cable trench, which comprises a cable trench 2, foam concrete side walls 3, embedded ribs 4, a communicating pipe 5, a floor drain valve, bottom foam concrete 6, a rainwater pipeline 7, a base 8, a plain concrete cushion 9, a cover plate 10, a water-swelling water stop bar 11, vertical rain discharging pipes 13, elliptical longitudinal rain discharging pipes 14, a lifting hook 15 and a sand exposed trench 22, wherein the sand exposed trench 22 is arranged at the upper part of the box culvert type cable trench structure, the vertical rain discharging pipes 13 are arranged in the wall bodies at two sides inside the cable trench 2, the elliptical longitudinal rain discharging pipes 14 are arranged at the bottom of the cable trench 2, and the elliptical longitudinal rain discharging pipes 14 are provided with downward water leakage holes 17.

Specifically, be located the internal vertical rain pipe 13 intercommunication each other of two inside side walls of cable pit 2, make vertical rain pipe 13 after the both sides intercommunication form "U" type structure, simultaneously "U" type structure bottom central authorities and the vertical rain pipe 14 of arranging of elliptical form communicate each other, make vertical rain pipe 13 have the rainwater to get into the back, can guide the rainwater and carry out unified emission to the vertical rain pipe 14 of arranging of elliptical form in, elliptical form vertical rain pipe 14's pipe diameter is greater than vertical rain pipe 13's pipe diameter simultaneously, be favorable to a plurality of vertical rain pipes 13 to the vertical rain pipe 14 of arranging of elliptical form when communicating simultaneously, the vertical rain pipe 14 of arranging of elliptical form can keep the mobile of rainwater unblocked.

Particularly, the water leakage hole 17 is located at the bottom center of the elliptical longitudinal rain drainage pipe 14, and is matched with the arc structure of the inner wall of the elliptical longitudinal rain drainage pipe 14, so that rainwater in the elliptical longitudinal rain drainage pipe 14 can flow into the water leakage hole 17 more easily and be discharged downwards.

Be equipped with lifting hook 15 directly over the hole 17 that leaks, the hole 17 that leaks is connected with the closed tube 5 of lower part, vertical row's rain pipe 13 sub-unit connection is in the vertical lateral part of arranging rain pipe 14 of oval-shaped, and vertical row's rain pipe 13 upper portion is connected with grit open drain 22, 2 lower parts of cable pit are equipped with rainwater pipeline 7, and rainwater pipeline 7 is through closed tube 5 and the vertical row's rain pipe 14 UNICOM of oval-shaped, be equipped with the floor drain valve in the closed tube 5, the floor drain valve passes through stainless steel spring 16 and is connected with lifting hook 15.

Specifically, the elliptical longitudinal rain drainage pipe 14, the water leakage hole 17, the communicating pipe 5 and the rain water pipe 7 are located on the same vertical axis, so that rainwater in the elliptical longitudinal rain drainage pipe 14 can enter the rain water pipe 7 through the water leakage hole 17 and the communicating pipe 5 to be drained more easily.

In particular, the upper pipe orifice of the vertical rain discharging pipe 13 is provided with a reverse filtering device.

The rainwater pipeline 7 lower part is equipped with base 8, the 8 lower parts of base are equipped with plain concrete bed course 9, rainwater pipeline 7 periphery is equipped with bottom foam concrete 6, 2 both sides of cable trench are equipped with foam concrete lateral wall 3, the bar planting 4 sets up between cable trench 2 and foam concrete lateral wall 3, apron 10 sets up at 2 tops of cable trench, and is equipped with two water-swelling sealing rod 11 at the tongue-and-groove level department of apron 10 both sides, the top surface junction of 2 trench walls of cable trench and foam concrete lateral wall 3 is equipped with water-swelling sealing rod 11.

Concrete, support rainwater pipeline 7 through base 8, carry out spacing support to rainwater pipeline 7's side direction through bottom foam concrete 6 simultaneously, guarantee rainwater pipeline 7's stability to in this scheme, bottom foam concrete 6 forms integratively with foam concrete lateral wall 3, make integrative bottom foam concrete 6 and foam concrete lateral wall 3 protect rainwater pipeline 7 and cable pit 2's the outside simultaneously, increase the protection effect to rainwater pipeline 7 and cable pit 2.

Particularly, the section of the cable trench 2 is of a U-shaped structure, the section of the cover plate 10 is of a T-shaped structure, and notches matched with the cover plate 10 are arranged at two ends of the upper part of the U-shaped structure of the cable trench 2, so that when the cover plate 10 covers the cable trench 2, two ends of the cover plate 10 are limited through the notches, and the water-swelling water stop strips 11 arranged at the groove-and-groove horizontal positions at two sides of the cover plate 10 are positioned at the joint of the cover plate 10 and the notches, so that the sealing effect between the cover plate 10 and the cable trench 2 is ensured; wherein, equipment such as cable is installed to the central empty trench position of cable pit 2 "U" type structure to cover through apron 10 and close and protect equipment such as cable.

It is worth mentioning that the bar planting 4 is used for increasing joint strength and stability between cable pit 2 and the foam concrete lateral wall 3 to in this scheme, bar planting 4 is the level setting, makes bar planting 4 increase between cable pit 2 and the foam concrete lateral wall 3 spacing of vertical direction.

The floor drain valve comprises a stainless steel spring 16, a leakage door 18, a water blocking ball 19, a buoyancy ball 20 and a connecting rod 21, wherein the leakage door 18 is arranged below the water leakage hole 17 and is connected with the water leakage hole 17 in a sealing mode, a lifting hook 15 is connected to the upper end of the stainless steel spring 16, the lower end of the stainless steel spring 16 penetrates through the leakage door 18 to be connected with the water blocking ball 19, and the bottom of the water blocking ball 19 is connected with the buoyancy ball 20 through the connecting rod 21.

Specifically, when the elliptical longitudinal rain drainage pipe 14 normally drains water to the rain water pipe 7, the water blocking ball 19 is away from the lower end of the leaking gate 18, so that rainwater in the elliptical longitudinal rain drainage pipe 14 can smoothly flow into the rain water pipe 7 along the leaking gate 18, when the rain water pipe 7 is blocked by drainage or a large amount of rainwater enters the rain water pipe 7 in a short time to cause the water level inside the rain water pipe 7 to rise, the water level inside the rain water pipe 7 can contact the buoyancy ball 20, so that the buoyancy ball 20 moves up under the buoyancy effect of water, and the water blocking ball 19 is pushed by the connecting rod 21 to move up, the water blocking ball 19 blocks up the lower end of the leaking gate 18 under the pushing of the buoyancy ball 20 and the pulling of the stainless steel spring 16, so that rainwater in the elliptical longitudinal rain drainage pipe 14 cannot continue to drain water to the rain water pipe 7, and the situation that the rainwater pipe 7 is overflowed reversely due to an excessively high water level is avoided.

In an embodiment of the present disclosure, the sectional areas of the upper end and the lower end of the leaking door 18 are larger than the sectional area of the middle section, so that the upper end of the leaking door 18 can gather and discharge the rainwater in the elliptical longitudinal rainwater drainage pipe 14, and the lower end of the leaking door 18 is matched with the water blocking ball 19, so as to ensure that the water blocking ball 19 cannot be clamped into the middle section of the leaking door 18 with a smaller sectional area when the lower end of the leaking door 18 is blocked by the water blocking ball 19.

The vertical rain drainage pipe 13 and the elliptical longitudinal rain drainage pipe 14 are embedded into the cable trench reinforcement cage 12.

Specifically, before being under construction to cable pit 2, at first hang and put cable pit steel reinforcement cage 12 that has banded, simultaneously vertical row of rain pipe 13, the vertical row of rain pipe 14 of oval-shaped imbed steel reinforcement cage 12 in, utilize the ligature steel wire with vertical row of rain pipe 13, the vertical row of rain pipe 14 of oval-shaped and steel reinforcement cage 12 to tie up and connect for steel reinforcement cage 12 supports the protection to vertical row of rain pipe 13, the vertical row of rain pipe 14 of oval-shaped and the cable pit 2 of follow-up construction.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a box culvert formula cable pit which characterized in that: including cable pit (2), foam concrete lateral wall (3), bar planting (4), closed tube (5), floor drain valve, bottom foam concrete (6), rainwater pipeline (7), base (8), plain concrete bed course (9), apron (10), water swelling sealing rod (11), vertical rain pipe (13), the vertical rain pipe (14), lifting hook (15) and grit open drain (22) of arranging of oval formula, grit open drain (22) set up on box culvert formula cable pit structure upper portion, be equipped with vertical rain pipe (13) of arranging in the inside both sides wall body of cable pit (2), cable pit (2) bottom is equipped with the vertical rain pipe (14) of arranging of oval formula, the vertical rain pipe (14) of arranging of oval formula is equipped with hole (17) that leaks down.

2. The box culvert cable trench of claim 1, wherein: the vertical rain drainage pipes (13) positioned on two sides inside the cable trench (2) are communicated with each other, the vertical rain drainage pipes (13) communicated with the two sides form a U-shaped structure, and the center of the bottom of the U-shaped structure is communicated with the oval longitudinal rain drainage pipes (14).

3. The box culvert cable trench of claim 1, wherein: be equipped with lifting hook (15) directly over leaking hole (17), it is connected with communicating pipe (5) of lower part to leak hole (17), vertical rain pipe (13) sub-unit connection of arranging is in the lateral part of the vertical rain pipe (14) of arranging of oval-shaped formula, and vertical rain pipe (13) upper portion of arranging is connected with grit open drain (22), cable pit (2) lower part is equipped with rainwater pipeline (7), and rainwater pipeline (7) are through communicating pipe (5) and the vertical rain pipe (14) UNICOM of arranging of oval-shaped formula, be equipped with the floor drain valve in communicating pipe (5), the floor drain valve passes through stainless steel spring (16) and is connected with lifting hook (15).

4. The box culvert cable trench of claim 1, wherein: rainwater pipeline (7) lower part is equipped with base (8), base (8) lower part is equipped with plain concrete bed course (9), rainwater pipeline (7) periphery is equipped with bottom foam concrete (6), cable trench (2) both sides are equipped with foam concrete lateral wall (3), bar planting (4) set up between cable trench (2) and foam concrete lateral wall (3), apron (10) set up at cable trench (2) top, and are equipped with two water-swelling sealing rod (11) at the tongue-and-groove level department of apron (10) both sides, the top surface junction of cable trench (2) trench wall and foam concrete lateral wall (3) is equipped with water-swelling sealing rod (11).

5. The box culvert cable trench of claim 1, wherein: the floor drain valve comprises a stainless steel spring (16), a drain door (18), a water blocking ball (19), a buoyancy ball (20) and a connecting rod (21), wherein the drain door (18) is arranged below the water leakage hole (17) and connected with the water leakage hole (17), the upper end of the stainless steel spring (16) is connected with a lifting hook (15), the lower end of the stainless steel spring (16) penetrates through the drain door (18) to be connected with the water blocking ball (19), and the bottom of the water blocking ball (19) is connected with the buoyancy ball (20) through the connecting rod (21).

6. The box culvert cable trench of claim 1, wherein: the vertical rain drainage pipe (13) and the elliptical longitudinal rain drainage pipe (14) are embedded into the cable trench reinforcement cage (12).

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