CN219247439U - Assembled cable trench structure - Google Patents

Abstract

The utility model discloses an assembled cable trench structure which comprises a U-shaped cable trench and a top cover, wherein the top cover covers the top of the U-shaped cable trench, a first channel steel, a second channel steel and a third channel steel are arranged on the inner side wall of the U-shaped cable trench, steel plates are embedded in the side wall of the U-shaped cable trench, the first channel steel and the second channel steel are respectively connected with the steel plates, one end of the third channel steel is connected with the first channel steel, the other end of the third channel steel is connected with the second channel steel, connecting holes are respectively formed in the first channel steel and the second channel steel, and a support frame is arranged on the third channel steel. According to the U-shaped cable trench, the channel steel is arranged on the inner side wall of the U-shaped cable trench, the stability of the U-shaped cable trench can be enhanced, the connecting holes are formed in the channel steel, bolts penetrate through the connecting holes to connect the cable trenches together, the cable trenches are connected more safely and stably, the sedimentation difference between the cable trenches is limited to the greatest extent, and meanwhile, the occurrence of safety accidents is reduced.

Description

Assembled cable trench structure

Technical Field

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

Background

In recent years, with the acceleration of urban progress in China, urban power supply transmission modes are gradually changed from traditional high-altitude voltage cable erection transmission to underground cable laying transmission. The underground cable is laid to transmit power, so that the underground cable has the advantages of not occupying ground space, not affecting the beautiful appearance of urban construction and the like. The cable trench is an underground pipeline for laying and replacing power cable facilities, is also an enclosure structure of laid cable facilities, and has rectangular, circular, arched and other pipeline structures. The cable trench is suitable for areas such as roads, factories, buildings, urban sidewalks or greenbelts, and the like with concentrated cable outlets and without cable tunnels. In general, the cable trench may be used in conjunction with a cable tunnel, cable well, or the like. With the vigorous development of China high-speed railways, railway factories are increasingly scaled, and cable ditches are important components of industrial factory outside lines. Because the splice seam of cable duct structure self extremely easily produces gap and differential settlement, gets into maintenance work to follow-up maintainer and causes the security threat, also infiltration easily between the gap simultaneously, causes the corruption damage to the cable in the cable duct. Meanwhile, in order to ensure productivity, railway factories need to ensure smooth power lines, so that the construction period of the cable trench is required to be as short as possible, and the influence on production activities is as small as possible.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide an assembled cable trench structure, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art. The utility model discloses an assembled cable trench structure, which comprises a U-shaped cable trench and a top cover, wherein the top cover covers the top of the U-shaped cable trench, a first channel steel, a second channel steel and a third channel steel are arranged on the inner side wall of the U-shaped cable trench, steel plates are embedded in the side wall of the U-shaped cable trench, the first channel steel and the second channel steel are respectively connected with the steel plates, one end of the third channel steel is connected with the first channel steel, the other end of the third channel steel is connected with the second channel steel, connecting holes are respectively formed in the first channel steel and the second channel steel, and a support frame is arranged on the third channel steel.

Preferably, the support frame is provided with a wire groove.

In any of the above schemes, preferably, one end of the supporting frame is provided with an arc structure, and one end of the supporting frame is provided with a round angle.

In any of the above schemes, preferably, the U-shaped cable trench includes two side walls, and each side wall is provided with three channel steels.

In any of the foregoing solutions, preferably, at least one supporting frame is disposed on the third channel steel.

In any of the above schemes, it is preferable that a water-proof material filling groove is provided on the splicing surface of the U-shaped cable trench.

In any of the above schemes, preferably, a waterproof material filling hole is formed in the bottom inner wall of the U-shaped cable pit, and the filling hole is communicated with the waterproof material filling groove.

In any of the above embodiments, it is preferable that the waterproof material filling holes are provided in four.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the assembled cable trench structure, the channel steel is arranged on the inner side wall of the U-shaped cable trench, so that the stability of the U-shaped cable trench can be enhanced, the channel steel is provided with the connecting holes, bolts penetrate through the connecting holes to connect each cable trench together, the cable trenches are connected more safely and stably, the sedimentation difference between the cable trenches is limited to the greatest extent, and meanwhile, the occurrence of safety accidents is reduced.

2. According to the assembled cable trench structure, the supporting frame is provided with the wire grooves and the circular arc structures, so that the cable is supported and positioned conveniently, the circular arc structures prevent the cable from sliding off one end of the supporting frame, the whole supporting structure of the supporting frame is stable, the cable can be supported for a long time, and the maintenance times are reduced.

3. According to the assembled cable trench structure, the waterproof material filling grooves are formed in the splicing surfaces of the U-shaped cable trenches, so that the waterproof material can be filled in the filling grooves, the spliced U-shaped cable trenches are better in waterproof effect, and the waterproof filling material can be stepped in through the U-shaped holes, so that the subsequent maintenance is convenient.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a front view of an embodiment of a fabricated cable trench structure in accordance with the present utility model.

Fig. 2 is an enlarged partial schematic view of the assembly type raceway of the embodiment of fig. 1 according to the utility model.

Fig. 3 is a schematic view of the U-shaped cable duct shown in fig. 1 in accordance with an embodiment of the assembled cable duct structure of the utility model.

Wherein, the cable trench of 1-U type; 2-top cover; 31-a first channel steel; 32-a second channel steel; 33-a third channel steel; 4-steel plate; 5-connecting holes; 6-supporting frames; 7-wire grooves; 8-arc structure; 9-fillets; 10-filling the grooves with waterproof materials; 11-waterproof material fills the hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

General application of cable trenches: the development of urban underground space starts from shallow layers and then gradually progresses to deep layers as required according to the common practice. Firstly, the shallow underground space has high development benefit and is easier to develop; and secondly, the shallow underground space is close to the earth surface, so that the use is convenient, and the influence of bad geological conditions is small. However, in determining the reasonable development depth, the existing development condition of the shallow underground space, urban hydrology and geological conditions, and factors such as importance of engineering, manufacturing cost, ventilation, disaster prevention (fire prevention, flood prevention and terrorism prevention) must be comprehensively considered.

The power cable tunnel belongs to an important life line project in a city, has quite high safety level, and should avoid the influence of building projects (such as deep foundation pit projects and the like) and municipal traffic projects (such as subways and the like) on the power cable tunnel as much as possible. With the continuous improvement of urban construction level, the influence of other projects on existing and future newly-built cable tunnels (cable trenches) is inevitably larger and larger.

As shown in fig. 1 to 3, the embodiment of the utility model provides an assembled cable trench structure, which comprises a U-shaped cable trench and a top cover 2, wherein the top cover 2 covers the top of the U-shaped cable trench 1, a first channel steel 31, a second channel steel 32 and a third channel steel 33 are arranged on the inner side wall of the U-shaped cable trench 1, two steel plates 4 are respectively buried at two ends of the side wall of the U-shaped cable trench 1, the first channel steel 31 is connected with one steel plate 4, the second channel steel 32 is connected with the other steel plate 4, one end of the third channel steel 33 is connected with the first channel steel 31, the other end of the third channel steel 33 is connected with the second channel steel 32, connecting holes 5 are respectively arranged on the first channel steel 31 and the second channel steel 32, and a support frame 6 is arranged on the third channel steel 33.

Two ends of the inner side wall of the U-shaped cable duct are respectively embedded with a steel plate 4, the steel plates are respectively embedded near the inner side wall of the joint of the two ends of the cable duct, the first channel steel 31 and the second channel steel 32 are respectively provided with a connecting hole 5, the first channel steel 31 and the second channel steel 32 are respectively arranged at two ends of the inner side wall of the U-shaped cable duct, and each cable duct is mutually connected through the connecting holes 5. The third channel steel 33 is connected between the first channel steel 31 and the second channel steel 32, and is used for reinforcing and supporting the first channel steel 31 and the second channel steel 32, and after the cable duct is connected, the third channel steel 33 is welded with the first channel steel 31 and the second channel steel 32 respectively. The third channel steel 33 has an enhanced effect on the stability of the inner side wall of the U-shaped cable pit, and simultaneously has the function of reinforcing and supporting the first channel steel 31 and the second channel steel 32. The support frame 6 is fixed on the third channel steel 33, welded and fixed, and is more stable, so that the side wall of the U-shaped cable trench is prevented from being damaged. The bottom surfaces of the first channel steel 31 and the second channel steel 32 are connected with the steel plate 4, the bottom surface of the third channel steel 33 is opposite to the directions of the first channel steel 31 and the second channel steel 32, namely, when the third channel steel 33 is connected with the first channel steel 31 and the second channel steel 32, the bottom surface of the third channel steel 33 is opposite to the top surfaces of the first channel steel 31 and the second channel steel 32, and only two side surfaces of the third channel steel 33 are required to be connected with two side surfaces of the first channel steel 31 and the second channel steel 32. The U-shaped cable trench adopted by the utility model has larger space, more uniform stress and more stable structure.

According to the assembled cable trench structure provided by the embodiment of the utility model, the channel steel is arranged on the inner side wall of the U-shaped cable trench, so that the stability of the U-shaped cable trench can be enhanced, the first channel steel and the second channel steel are provided with the connecting holes 5, bolts penetrate through the connecting holes 5 to connect each cable trench together, the cable trenches are connected more safely and stably, the sedimentation difference between the cable trenches is limited to the greatest extent, and meanwhile, the occurrence of safety accidents is reduced.

Further, the supporting frame 6 is provided with a wire groove 7. The cables are hung on the supporting frame 6, and the cables can fall into the corresponding wire grooves 7, so that the messy ordering of the cables is avoided.

Optionally, one end of the supporting frame 6 is provided with an arc structure 8, and one end of the supporting frame 6 is provided with a round angle 9. The arc structure 8 prevents the cable from falling from one end of the support frame 6, the arc surface horizontal height in the arc structure 8 is higher than the height of the support frame 6, and the arc structure 8 can avoid the cable from falling off. The rounded corners 9 are arranged to prevent constructors from being scratched in the stay wire process. The construction risk of constructors is reduced.

Further, the U-shaped cable trench includes two side walls, and each side wall is provided with three first channel steel 31, second channel steel 32 and third channel steel 33. A plurality of channel steels can be arranged according to the requirement.

The waterproof performance of the underground structure is an important factor affecting the safety and durability of the underground structure, once the phenomenon of water seepage and water leakage occurs, effective solving measures are difficult to take, and the problem can not be thoroughly solved while huge manpower and material resources are consumed, so that the waterproof structure for solving the underground structure of the cable pit in the design construction stage is particularly important. Therefore, the construction of the cable pit is very necessary to be formulated for the self water resistance of the cable pit and the water resistance of the splicing seam, and reasonable solving measures are formulated.

Optionally, a waterproof material filling groove 10 is arranged on the splicing surface of the U-shaped cable trench. The waterproof material filling groove 10 can be filled with waterproof material, for example, two original raw material water-swelling water stop bars are arranged in the waterproof material filling groove 10 and are annularly and generally arranged along the section of the channel; a buried rubber water stop is arranged; filling MDT sealant at one end of the construction joint close to the inner side of the channel; further, a waterproof material filling hole 11 is formed in the inner wall of the bottom of the U-shaped cable trench, and the waterproof material filling hole 11 is communicated with the waterproof material filling groove 10.

Alternatively, the waterproof material filling holes 11 are provided in four. The water-proof material is arranged to fill the hole 11 so as to facilitate grouting and plugging once water leakage occurs in the place in the future. Waterproof material filling hole has all set up half on the junction surface of every U type cable pit, connects two U type cable pits, and the junction surface of every U type cable pit spells into a circular waterproof material filling hole of completion, sets up waterproof material filling recess on the junction surface of U type cable pit simultaneously and also is half shape, waterproof material filling recess conveniently fixes waterproof material, also in order to make things convenient for follow-up to fill waterproof material, does not have this kind of measure in prior art, and the waterproof effect of doing often is not fine, and also difficult maintenance or repair later stage.

The utility model relates to an assembled cable trench structure, which has the following working principle: waterproof materials are filled in waterproof grooves of the cable channels, the cable channels are spliced, each cable channel is connected together through connecting holes of the first channel steel and the second channel steel, the third channel steel is welded to the positions of the first channel steel and the second channel steel, the supporting frame is welded to the third channel steel, and the top cover is covered.

The assembled cable trench structure provided by the embodiment of the utility model is convenient to connect, has the advantages of convenience in construction, short construction period, high efficiency, small working face, less waste, energy conservation, environmental friendliness, small influence on the surrounding environment and the like, and can minimize the influence on the cross construction of the installation civil engineering, thereby being particularly suitable for the characteristics of short construction period of railway factories and small influence on production activities. The U-shaped cable trench adopts a reinforced concrete structure, the cover plate adopts prefabricated reinforced concrete, and the cable trench has the advantages of relatively less investment, small occupied area, flexible trend, capacity of accommodating more cables, convenience in cable laying, fault cable replacement, cable expansion, cable accident searching, fixed point and the like.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an assembled cable pit structure, its characterized in that, includes U type cable pit and top cap, the top cap lid is in the top of U type cable pit, be equipped with first channel-section steel, second channel-section steel and third channel-section steel on the inside wall of U type cable pit, the steel sheet has been buried in the lateral wall of U type cable pit, first channel-section steel with the second channel-section steel respectively with the steel sheet is connected, the one end of third channel-section steel with first channel-section steel is connected, the other end of third channel-section steel with the second channel-section steel is connected, first channel-section steel with be equipped with the connecting hole on the second channel-section steel respectively, be equipped with the support frame on the third channel-section steel.

2. A fabricated cable trench structure as in claim 1, wherein said support bracket is provided with a wire channel.

3. The fabricated cable trench structure of claim 1, wherein one end of the support frame is provided with a circular arc structure and one end of the support frame is provided with a rounded corner.

4. The fabricated cable trench structure of claim 1, wherein the U-shaped cable trench includes two side walls, each side wall having three channels.

5. The fabricated cable trench structure of claim 4, wherein the third channel is provided with at least one support bracket.

6. The fabricated cable trench structure of claim 1, wherein the U-shaped cable trench has a water-proof material filling groove on the mating surface.

7. The fabricated cable trench structure of claim 6, wherein the bottom inner wall of the U-shaped cable trench is provided with a waterproof material filling hole, and the filling hole is communicated with the waterproof material filling groove.

8. A fabricated cable trench structure as in claim 7, wherein said fill apertures of water resistant material are provided in four locations.

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