CN220605527U

CN220605527U - Assembled cable trench

Info

Publication number: CN220605527U
Application number: CN202321419943.9U
Authority: CN
Inventors: 吴克洋; 戴逢青
Original assignee: Anhui Jinshi Electric Power Design Consultation Co ltd
Current assignee: Anhui Jinshi Electric Power Design Consultation Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-03-15
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses an assembled cable trench, which comprises a plurality of sub-cable trenches of the same type, a plurality of cable trench covers of the same type and an embedded pad, wherein the plurality of sub-cable trenches are connected with each other at first, sealing pads are fixedly arranged at two ends of each sub-cable trench, the embedded pad is adaptively arranged between the sealing pads of two adjacent sub-cable trenches, a cavity is formed in the embedded pad, through holes communicated with the cavity are uniformly formed in two side surfaces of the embedded pad, a diaphragm for plugging the through holes is further arranged in the cavity, and glue is filled in the cavity; according to the assembled cable trench, the embedded pads are arranged between the sealing gaskets of the adjacent sub-cable trenches, the cavity for storing glue and the through holes communicated with the outside are arranged in the middle of the embedded pads, when the sub-cable trenches are assembled, the glue in the cavity is discharged from the through holes and is outwards diffused along the sealing gaskets, and the edges of the sealing gaskets and the sealing gaskets form a glue protection layer, so that rainwater is blocked, and the maintenance frequency of the cable trench is reduced, so that the maintenance cost of the cable trench is reduced.

Description

Assembled cable trench

Technical Field

The utility model relates to the technical field of assembled cable trenches, in particular to an assembled cable trench.

Background

The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, in the power transmission and transformation project of China, the cable trench is generally cast-in-situ reinforced concrete and bricking, the construction period of cast-in-situ or bricking is long, the environmental impact is great, centralized maintenance cannot be performed when the cable trench is constructed in winter, and the maintenance cost according to the length is high. Therefore, the assembled cable trench is formed by splicing the section grooves, so that the construction period can be shortened, and the cost can be saved.

The assembled cable trough can all have the clearance between every section slot, in order to prevent that the cable trough from inside intaking, usually the sealing gasket seals up the processing, but the cable trough is placed the environment abominable, and the sealing gasket corrosion rate is faster, makes it lose sealing ability gradually, leads to its maintenance cost higher, needs to improve urgently.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides an assembled cable trench.

The utility model provides an assembled cable trench, which comprises a plurality of sub-cable trenches of the same type, a plurality of cable trench covers of the same type and an embedded pad, wherein the sub-cable trenches are connected with each other at first, and the cable trench covers are adapted to be paved on the sub-cable trenches;

the sealing gaskets are fixedly arranged at the two ends of each sub-cable groove, the gasket is adaptively arranged between the sealing gaskets of the two adjacent sub-cable grooves, a cavity is formed in the gasket, through holes communicated with the cavity are uniformly formed in the two sides of the gasket, a diaphragm used for blocking the through holes is further arranged in the cavity, glue is filled in the cavity, and when the two adjacent sub-cable grooves are stressed to be close to each other, the diaphragm breaks to enable the glue to seep out and cover the sealing gaskets.

Preferably, the two sides of the embedded pad are provided with grooves which are staggered and extend to the end parts of the embedded pad.

Preferably, both sides of the embedded pad are recessed inwards, and the thickness of the embedded pad is gradually reduced from bottom to top.

Preferably, the cable trench cover is internally provided with an inverted U-shaped caulking groove, and the outer walls of the two sides of the sub cable trench are respectively attached to the inner walls of the two sides of the caulking groove.

Preferably, the top of each side wall of the sub cable trench is provided with a clamping groove along the length direction, two bulges matched with the clamping grooves are arranged in the embedding grooves, and the two bulges are embedded in the clamping grooves in a one-to-one correspondence manner.

Preferably, one end of each cable trench cover is inwardly scaled to form a joint covered on the sub cable trench, the inner wall of the other end of each cable trench cover is provided with a groove body matched with the joint, and when the cable trench covers are paved on the sub cable trench, the groove body matched cover of one cable trench cover is arranged on the joint of the other cable trench cover.

Preferably, the upper end surface of each joint is provided with a water diversion groove, and both ends of the water diversion groove extend to the end parts of the joints.

According to the assembled cable trench, the embedded pad is arranged between the sealing gaskets of the adjacent sub-cable trenches, the cavity for storing glue and the through holes communicated with the outside are arranged in the middle of the embedded pad, when the sub-cable trenches are assembled, the adjacent sub-cable trenches need to be tightly connected, in the process that the sub-cable trenches are close, the glue in the cavity is discharged from the through holes and is spread outwards along the sealing gaskets, a glue protection layer is formed between the edges of the sealing gaskets and the embedded gaskets, and is used for blocking rainwater, so that the service life of the sealing gaskets can be prolonged, and the maintenance frequency of the cable trench is reduced to reduce the maintenance cost of the cable trench.

Drawings

Fig. 1 is a schematic structural view of an assembled cable trench according to the present utility model;

FIG. 2 is a schematic diagram illustrating the fit of a sub-cable duct in an assembled cable duct according to the present utility model;

FIG. 3 is a schematic diagram of an assembled cable trench embedded pad according to the present utility model;

FIG. 4 is a schematic view of a portion of an assembled cable trench according to the present utility model;

fig. 5 is a schematic cross-sectional view of an assembled cable trench according to the present utility model.

Detailed Description

Fig. 1 is a schematic structural view of an embodiment of an assembled cable trench according to the present utility model.

Referring to fig. 1-4, an assembled cable trench provided by the utility model comprises a plurality of sub cable trenches 1 of the same type, a plurality of cable trench covers 2 of the same type and a mat 3, wherein the plurality of sub cable trenches 1 are connected with each other at first, and the plurality of cable trench covers 2 are adapted to be paved on the sub cable trenches 1;

the sealing gaskets 4 are fixedly arranged at the two ends of each sub-cable groove 1, the gasket 3 is adaptively arranged between the sealing gaskets 4 of the two adjacent sub-cable grooves 1, a cavity 31 is arranged in the gasket 3, through holes 32 communicated with the cavity 31 are uniformly arranged on the two sides of the gasket 3, a diaphragm 33 used for blocking the through holes 32 is further arranged in the cavity 31, glue is filled in the cavity 31, and when the two adjacent sub-cable grooves 1 are stressed to be close to each other, the diaphragm 33 is broken so that the glue seeps out and covers the sealing gaskets 4.

When the plurality of sub-cable trenches 1 are assembled, the side sides of the two adjacent sub-cable trenches 1 can be provided with connecting plates and connected through bolts, and the structure of the part is not particularly required, so long as the two adjacent sub-cable trenches 1 can be fixed.

The glue is waterproof glue, is relatively common in the market, is the prior art, and is not described in detail here.

During specific assembly, when the sub-cable ducts 1 are assembled, adjacent sub-cable ducts 1 need to be close to each other and are tightly connected, in the process that the sub-cable ducts 1 are close to each other, the cavity 31 is extruded, glue in the cavity breaks through the diaphragm 33 and is discharged from the through hole 32 and is outwards diffused along the sealing gasket 4, a glue protection layer is formed between the edge of the sealing gasket 4 and the embedded gasket 3, and the sealing gasket is isolated from rainwater, so that the service life of the sealing gasket 4 can be prolonged, and the maintenance frequency of the cable duct is reduced to reduce the maintenance cost of the cable duct.

In a further embodiment, the two sides of the insert 3 are provided with grooves which are staggered and extend to the ends thereof;

both sides of the embedded pad 3 are recessed inwards, and the thickness of the embedded pad 3 is gradually reduced from bottom to top.

In this embodiment, when adjacent sub-cable ditches 1 are close to each other, the bottom of the embedded pad 3 forms a seal with the sealing pad 4, along with the approach of the sub-cable ditches 1, the embedded pad 3 gradually forms a seal from bottom to top, in this process, the cavity 31 is extruded, glue firstly enters into the grooves on two sides of the embedded pad 3, then the glue gradually reduces in space in the grooves and moves upwards, finally the glue is pulled out from the top of the sealing pad 4 and spreads around, further the sealing pad 4 is wrapped from the outside, a protection layer is formed after the glue dries, the waterproof performance between the sub-cable ditches 1 is further improved, and the maintenance frequency of the cable ditches can be further reduced.

Referring to fig. 5, the cable trench cover 2 has an inverted U-shaped caulking groove 21 therein, and outer walls of both sides of the sub cable trench 1 are respectively attached to inner walls of both sides of the caulking groove 21;

the top of each side wall of the sub cable trench 1 is provided with a clamping groove 11 along the length direction, the embedded groove 21 is internally provided with two protrusions 211 which are matched with the clamping grooves 11, and the two protrusions 211 are embedded in the clamping grooves 11 in a one-to-one correspondence manner.

The arrangement can clamp the two side walls of the sub-cable trench 1 on the cable trench cover 2, so that the sub-cable trench forms a stable rectangular structure, and the bearing capacity of the side face of the sub-cable trench 1 is improved.

Referring to fig. 1, in a further embodiment, one end of each cable trench cover 2 is scaled inwards to form a joint 23 covering the sub cable trench 1, the inner wall of the other end is provided with a groove body matched with the joint 23, and when the cable trench covers 2 are paved on the sub cable trench 1, the groove body matched cover of one cable trench cover 2 is arranged on the joint 23 of the other cable trench cover 2; the upper end surface of each joint 23 is provided with a water diversion groove 231, and both ends of the water diversion groove 231 extend to the end parts of the joints 23.

The cable trench cover 2 has a gap when being spliced, the position is positioned at the top of the cable trench, the waterproof requirement is relatively low, in the embodiment, the joint 23 is arranged, the water diversion groove 231 is arranged on the joint 23, the cable trench cover is covered by the other sub cable trench 1, and the water diversion groove 231 can isolate rainwater; when rainwater enters from the gap between the two cable trench covers 2, the rainwater can enter the water diversion groove 231 and finally flows to the outside of the sub cable trench 1 from the water diversion groove 231, so that the rainwater can be prevented from entering the sub cable trench 1 from the top.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The assembled cable trench is characterized by comprising a plurality of sub-cable trenches (1) of the same type, a plurality of cable trench covers (2) of the same type and a mat (3), wherein the sub-cable trenches (1) are connected with each other at first, and the cable trench covers (2) are adapted to be paved on the sub-cable trenches (1);

the sealing gaskets (4) are fixedly arranged at the two ends of each sub-cable groove (1), the embedded gaskets (3) are adaptively arranged between the sealing gaskets (4) of the two adjacent sub-cable grooves (1), the embedded gaskets (3) are internally provided with the chambers (31), the two sides of each embedded gasket (3) are uniformly provided with through holes (32) communicated with the chambers (31), the chambers (31) are internally provided with the diaphragms (33) for blocking the through holes (32), the chambers (31) are internally filled with glue, and when the two adjacent sub-cable grooves (1) are stressed to be mutually close, the diaphragms (33) are broken to enable the glue to seep out and cover the sealing gaskets (4).

2. The assembled cable trench of claim 1, wherein the mat (3) has grooves on both sides thereof, which are staggered and extend to the ends thereof.

3. The assembled cable trench of claim 1 or 2, wherein both sides of the mat (3) are recessed inwards and the thickness of the mat (3) decreases gradually from bottom to top.

4. The assembled cable trench of claim 1, wherein the cable trench cover (2) is internally provided with an inverted U-shaped caulking groove (21), and the outer walls at two sides of the sub cable trench (1) are respectively attached to the inner walls at two sides of the caulking groove (21).

5. The assembled cable trench of claim 4, wherein the top of each of the two side walls of the sub cable trench (1) is provided with a clamping groove (11) along the length direction thereof, two protrusions (211) matched with the clamping grooves (11) are arranged in the embedded grooves (21), and the two protrusions (211) are embedded in the clamping grooves (11) in a one-to-one correspondence manner.

6. The assembled cable trench of claim 1, wherein one end of each cable trench cover (2) is scaled inwards to form a joint (23) covering the sub cable trench (1), and the inner wall of the other end of each cable trench cover is provided with a groove body matched with the joint (23), and when the cable trench covers (2) are paved on the sub cable trench (1), the groove body matched with one cable trench cover (2) is covered on the joint (23) of the other cable trench cover (2).

7. The assembled cable trench of claim 6, wherein the upper end surface of each joint (23) is provided with a water diversion groove (231), and both ends of the water diversion groove (231) extend to the end parts of the joints (23).