CN210380191U - Lightweight power communication combination prefabricated cable channel - Google Patents
Lightweight power communication combination prefabricated cable channel Download PDFInfo
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- CN210380191U CN210380191U CN201921073565.7U CN201921073565U CN210380191U CN 210380191 U CN210380191 U CN 210380191U CN 201921073565 U CN201921073565 U CN 201921073565U CN 210380191 U CN210380191 U CN 210380191U
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Abstract
A lightweight power communication combined prefabricated cable channel is formed by splicing more than two sections of prefabricated components; the prefabricated assembly comprises a reinforced concrete envelope, a power cable pipe, a communication cable pipe, light concrete, an embedded steel plate and a water-swelling elastic rubber strip, wherein the reinforced concrete envelope is in a pipe shape, and two ends of the reinforced concrete envelope are respectively provided with a prefabricated assembly socket and a prefabricated assembly socket; the power cable pipe and the communication cable pipe are both arranged in the reinforced concrete enclosure, and two ends of the power cable pipe and the communication cable pipe are respectively provided with a pipeline socket and a pipeline socket; the light concrete is filled in the reinforced concrete package; the embedded steel plate separates the power cable pipe from the communication cable pipe; the periphery side of prefabricated component bellmouth and prefabricated component socket all is equipped with one and meets water inflation elastic rubber strip. The utility model discloses a lightweight prefabricated component, the transportation and the installation of being convenient for are applicable to the communication cable passageway construction of existing urban area secondary trunk road, branch road, residential area road, can reduce the construction degree of difficulty, reduce the engineering time.
Description
Technical Field
The utility model relates to an underground cable passageway technical field especially relates to a prefabricated cable passageway of lightweight power communication combination.
Background
Traditional electric power, communication are independent parallel arrangement in urban road below, need the pipeline line position of broad, and when the urban area road section is less can't build the sufficient electric power of capacity, communication mutually independent underground cable passageway, just produced the overhead line and formed city "black spider web", reduced the reliability of cable operation and influenced the urban landscape. In order to complete the 'up-down' of the existing overhead power and communication cables and meet the laying requirements of new power and communication cables in the future, sufficient power and communication cable channels need to be built under the existing roads. At present, underground cable channels are usually in a pipe arrangement form with reinforced concrete encapsulation under roads, construction procedures such as road excavation, concrete cushion layer pouring, reinforcing steel bar binding, formwork erecting, concrete casting in situ, concrete hardening and curing, backfilling and the like exist, and longer road breaking construction time causes larger influence on road traffic and surrounding mature plots, so that the traditional pipe arrangement form cable channels are not suitable for construction on the road surface of the existing urban area.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a prefabricated cable passageway of lightweight power communication combination.
The purpose of the utility model can be realized by the following technical scheme: a lightweight power communication combined prefabricated cable channel is formed by splicing more than two sections of prefabricated components; the prefabricated components comprise reinforced concrete envelopes, power cable pipes, communication cable pipes, light concrete, pre-embedded steel plates and water-swelling elastic rubber strips, the reinforced concrete envelope is in a pipe shape, two ends of the reinforced concrete envelope are respectively provided with a prefabricated component socket and a prefabricated component socket, the power cable pipe and the communication cable pipe are both arranged in the reinforced concrete envelope, two ends of the power cable pipe and the communication cable pipe are respectively provided with a pipeline socket and a pipeline socket, the lightweight concrete is filled in gaps among the pipes in the reinforced concrete encapsulation, the embedded steel plates are arranged in the reinforced concrete encapsulation, and the reinforced concrete envelops both ends of the prefabricated component bellmouths and the outer peripheral sides of the prefabricated component jacks are respectively provided with a water-swelling elastic rubber strip.
Further, the pipeline bellmouth and the prefabricated component bellmouth are arranged at the same end, and the pipeline socket and the prefabricated component socket are arranged at the same end.
Still further, the pipe socket is disposed beyond an end face of the preform assembly socket.
Further, the embedded steel plates are connected with the steel bars in the reinforced concrete encapsulation in a welding mode.
Further, the outer peripheral sides of the prefabricated component sockets and the prefabricated component sockets at two ends of the reinforced concrete envelope are respectively provided with a rubber strip installation groove corresponding to the water-swelling elastic rubber strip.
Furthermore, the peripheries of two ends of the reinforced concrete envelope are both provided with an annular protruding part along the circumferential direction, more than two steel strand perforated pipes are embedded in the annular protruding part along the circumferential direction, the steel strand perforated pipes are arranged along the axial direction, and two ends of the steel strand perforated pipes are communicated with the end faces of two ends of the annular protruding part.
Furthermore, more than two sections of prefabricated components are aligned and spliced through the prefabricated component bell mouths and the prefabricated component sockets and the pipeline bell mouths and the pipeline sockets, the corresponding steel strand perforated pipes are penetrated with prestressed steel strands, two ends of each prestressed steel strand are respectively and fixedly connected to the reinforced concrete envelopes of the two sections of prefabricated components through backing plates and fastening bolts, and joints between the two adjacent sections of prefabricated components are caulked by adopting the two-component polysulfide sealant.
Compared with the prior art, the beneficial effects of the utility model are that: (1) the power cable pipe and the communication cable pipe are arranged in the same channel in an intensive manner, so that the requirement of the cable channel on the width of a road is reduced; (2) the cable channel is prefabricated and assembled by adopting a prefabricated component, the prefabricated component and the cable pipe inside the prefabricated component are of socket structures, and the prefabricated component and the cable pipe inside the prefabricated component can be quickly assembled after the pipe position channel is excavated and the simple cushion layer is processed on a construction site, so that the processes of binding steel bars, supporting a formwork, casting concrete on site, hardening and curing concrete and the like of the traditional calandria are omitted, and the construction efficiency is improved; (3) the prefabricated assembly is internally provided with the power cable pipe and the communication cable pipe, so that the friction force during cable pipe penetration is reduced, the cable laying construction difficulty is reduced, and the cable channel length between working wells can be increased; (4) an embedded steel plate is arranged between the power cable pipe and the communication cable pipe, and the embedded steel plate prevents the interference of the power cable to the communication cable; (5) the unit mass of the prefabricated component is reduced, the length of the prefabricated component can be increased under the condition that the total mass is not changed, and the field construction is accelerated. The utility model discloses a lightweight prefabricated component, the transportation and the installation of being convenient for are applicable to the communication cable passageway construction of existing urban area secondary trunk road, branch road, residential area road, can reduce the construction degree of difficulty, reduce the engineering time.
Drawings
Fig. 1 is a schematic structural view of a section of the prefabricated component in the present invention.
Fig. 2 is a schematic structural view of the end face of the prefabricated component in the present invention.
Fig. 3 is a sectional view taken along the line a-a in fig. 1.
Fig. 4 is the assembly concatenation sketch map of prefabricated component in the utility model.
Fig. 5 is a partial enlarged view of a portion a in fig. 4.
The parts in the figures are numbered as follows:
1 reinforced concrete encapsulation
2 Power cable pipe
3 communication cable pipe
4 light concrete
5 Pre-buried steel plate
6 water swelling elastic rubber strip
7 steel strand perforated pipe
8 prefabricated component socket
9 prefabricated component socket
10 pipe socket
11 pipe socket
12 prestressed steel strand
13 backing plates and fastening bolts.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
A lightweight power communication combination prefabricated cable channel is composed of more than one section of prefabricated components.
Referring to fig. 1 to 3, the prefabricated assembly comprises a reinforced concrete envelope 1, a power cable tube 2, a communication cable tube 3, lightweight concrete 4, an embedded steel plate 5, a water-swellable elastic rubber strip 6 and a steel strand perforated pipe 7.
The reinforced concrete envelope 1 is in a pipe body shape with a rectangular cross section, the reinforced concrete envelope 1 ensures the strength of prefabricated components, the end faces of two ends of the reinforced concrete envelope 1 are respectively provided with a prefabricated component bell mouth 8 and a prefabricated component socket 9, the prefabricated component bell mouth 8 and the prefabricated component socket 9 ensure that the prefabricated components can be fastened and spliced neatly, uneven settlement between the prefabricated components is reduced, the peripheries of two ends of the reinforced concrete envelope 1 are respectively provided with an annular convex part along the circumferential direction, more than two steel strand perforated pipes 7 are embedded on the annular convex parts along the circumferential direction, the steel strand perforated pipes 7 are arranged along the axial direction, two ends of the steel strand perforated pipes are communicated with the end faces of two ends of the annular convex parts, and the steel strand perforated pipes 7 are used for perforating steel strands for splicing between the prefabricated components.
The power cable pipe 2 and the communication cable pipe 3 are arranged inside the reinforced concrete enclosure 1, the number of the power cable pipe 2 and the number of the communication cable pipe 3 are more than one, two ends of the power cable pipe 2 and the communication cable pipe 3 are respectively provided with a pipeline socket 10 and a pipeline socket 11, the pipeline socket 10 is arranged at the same end with the prefabricated component socket 8, the pipeline socket 11 is arranged at the same end with the prefabricated component socket 9, and the pipeline socket 11 is arranged beyond the end face of the prefabricated component socket 9.
The lightweight concrete 4 is filled in the gaps between the individual tubes inside the reinforced concrete envelope 1.
The embedded steel plates 5 are arranged inside the reinforced concrete enclosure 1 and separate the power cable pipe 2 from the communication cable pipe 3, the embedded steel plates 5 are used for preventing the power cable from interfering the communication cable, and the embedded steel plates 5 are welded and connected with the steel bars in the reinforced concrete enclosure 1.
Referring to fig. 4 and 5, the outer peripheries of the prefabricated component sockets 8 and the prefabricated component sockets 9 at the two ends of the reinforced concrete envelope 1 are respectively provided with a rubber strip installation groove, a water-swelling elastic rubber strip 6 is arranged in the rubber strip installation groove, and the water-swelling elastic rubber strip 6 is used for closing and waterproofing when the prefabricated components are spliced.
In the specific implementation process, the external encapsulation is realized by pouring the steel bars in the prefabrication factory once through concrete, the power cable pipe 2 and the communication cable pipe are arranged in the prefabrication factory, and the lightweight concrete 4 is filled and poured for the second time to form the prefabricated assembly. The prefabricated component is prefabricated by two different materials of external high-strength reinforced concrete and internal lightweight concrete 4, so that the unit mass of the prefabricated component is obviously reduced, and the prefabricated component is convenient to transport and install on site. In the embodiment, the reinforced concrete envelope 1 is bound by @150mm phi 12 steel bars and is cast into a whole by using C30 and the concrete with the above mark, and the consumption of the reinforced concrete in the unit length of the prefabricated component is about 0.62m3The number of the power cable pipes 2 is 16, the power cable pipes are arranged in a 4 x 4 array, the number of the communication cable pipes 3 is 15, the communication cable pipes are arranged in a 3 x 5 array, and the using amount of the lightweight concrete 4 is about 0.78m3The density of the reinforced concrete and the light concrete 4 is 2500kg/m respectively3And 700kg/m3The weight of the prefabricated assembly was calculated to be 2096 kg/m. The internal adopted lightweight concrete 4 has the relative density of 2100kg/m3 isThe unit weight of the whole prefabricated component of the broken stone and pebble concrete is reduced by 34.3 percent. The unit mass of the prefabricated component is reduced, so that the length of the prefabricated component can be increased under the condition that the total mass is unchanged, and the field construction is accelerated.
When the cable passageway is under construction, dig the slot along cable passageway planning line position, lay the concrete cushion bottom the slot and make level the back, adopt promptly the utility model discloses lightweight power communication makes up prefabricated cable passageway prefabricated component and carries out rapid Assembly. The prefabricated component bell mouth 8 and the prefabricated component socket 9 as well as the pipeline bell mouth 10 and the pipeline socket 11 are aligned and spliced, then the corresponding steel strand perforated pipe 7 is penetrated with a prestressed steel strand 12, and two ends of the prestressed steel strand 12 are respectively fastened and connected on the reinforced concrete envelopes 1 of the two sections of prefabricated components through a backing plate and a fastening bolt 13. The prefabricated component bell mouth 8 and the water-swelling elastic rubber strip 6 at the prefabricated component socket 9 are tightly attached to be waterproof through steel strands. After splicing, the joints of the prefabricated components are caulked by adopting the two-component polysulfide sealant, and the prefabricated components can be backfilled after splicing to complete the whole construction process.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (7)
1. A lightweight power communication combined prefabricated cable channel is characterized in that the channel is formed by splicing more than two sections of prefabricated components; the prefabricated components comprise reinforced concrete envelopes, power cable pipes, communication cable pipes, light concrete, pre-embedded steel plates and water-swelling elastic rubber strips, the reinforced concrete envelope is in a pipe shape, two ends of the reinforced concrete envelope are respectively provided with a prefabricated component socket and a prefabricated component socket, the power cable pipe and the communication cable pipe are both arranged in the reinforced concrete envelope, two ends of the power cable pipe and the communication cable pipe are respectively provided with a pipeline socket and a pipeline socket, the lightweight concrete is filled in gaps among the pipes in the reinforced concrete encapsulation, the embedded steel plates are arranged in the reinforced concrete encapsulation, and the reinforced concrete envelops both ends of the prefabricated component bellmouths and the outer peripheral sides of the prefabricated component jacks are respectively provided with a water-swelling elastic rubber strip.
2. The lightweight power communication combination prefabricated cable channel of claim 1, wherein said conduit socket is disposed at a same end as a prefabricated component socket, and wherein said conduit socket is disposed at a same end as a prefabricated component socket.
3. The lightweight power communication modular prefabricated cable channel of claim 2, wherein said conduit socket is disposed beyond an end face of a prefabricated component socket.
4. The lightweight power communication combination prefabricated cable channel of claim 1, wherein said pre-buried steel plates are welded to steel bars in a reinforced concrete enclosure.
5. The lightweight modular power communication composite prefabricated cable channel of claim 1, wherein a rubber strip mounting groove corresponding to a water-swellable elastic rubber strip is formed on the outer peripheral side of each of the prefabricated component socket and the prefabricated component socket at both ends of the reinforced concrete envelope.
6. The light-weight power communication combined prefabricated cable channel according to any one of claims 1 to 5, wherein an annular protrusion is circumferentially arranged on the peripheries of two ends of the reinforced concrete enclosure, more than two steel strand perforated pipes are embedded on the annular protrusion in a circumferentially and uniformly distributed manner, the steel strand perforated pipes are axially arranged, and two ends of the steel strand perforated pipes are communicated with end faces of two ends of the annular protrusion.
7. The lightweight power communication combined prefabricated cable channel according to claim 6, wherein more than two prefabricated components are aligned and spliced through a prefabricated component bell mouth and a prefabricated component socket and a pipeline bell mouth and a pipeline socket, a prestressed steel strand penetrates through a corresponding steel strand perforated pipe, two ends of the prestressed steel strand are fixedly connected to reinforced concrete envelopes of the two prefabricated components through a base plate and a fastening bolt respectively, and a joint between the two adjacent prefabricated components is caulked by a two-component polysulfide sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073565.7U CN210380191U (en) | 2019-07-10 | 2019-07-10 | Lightweight power communication combination prefabricated cable channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921073565.7U CN210380191U (en) | 2019-07-10 | 2019-07-10 | Lightweight power communication combination prefabricated cable channel |
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| CN210380191U true CN210380191U (en) | 2020-04-21 |
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| CN201921073565.7U Active CN210380191U (en) | 2019-07-10 | 2019-07-10 | Lightweight power communication combination prefabricated cable channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725768A (en) * | 2020-07-07 | 2020-09-29 | 赣州奥鑫新型建材有限公司 | Composite material cable protection pipe, preparation method thereof and mold for manufacturing composite material cable protection pipe |
| CN114256799A (en) * | 2021-10-18 | 2022-03-29 | 国网江苏电力设计咨询有限公司 | Assembly type cable duct bank and production process thereof |
-
2019
- 2019-07-10 CN CN201921073565.7U patent/CN210380191U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725768A (en) * | 2020-07-07 | 2020-09-29 | 赣州奥鑫新型建材有限公司 | Composite material cable protection pipe, preparation method thereof and mold for manufacturing composite material cable protection pipe |
| CN111725768B (en) * | 2020-07-07 | 2021-09-14 | 赣州奥鑫新型建材有限公司 | Composite material cable protection pipe and preparation method thereof |
| CN114256799A (en) * | 2021-10-18 | 2022-03-29 | 国网江苏电力设计咨询有限公司 | Assembly type cable duct bank and production process thereof |
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