CN212304531U - Prefabricated assembled cable duct bank - Google Patents
Prefabricated assembled cable duct bank Download PDFInfo
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- CN212304531U CN212304531U CN202020484274.3U CN202020484274U CN212304531U CN 212304531 U CN212304531 U CN 212304531U CN 202020484274 U CN202020484274 U CN 202020484274U CN 212304531 U CN212304531 U CN 212304531U
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Abstract
The utility model discloses a prefabricated assembled cable duct bank, including the cable duct bank that a plurality of prefabricated assembled body spliced each other and formed, prefabricated assembled body is including the reinforced concrete component that cement once was pour and is formed, is provided with a plurality of through-holes and spacing holes that run through reinforced concrete component in the reinforced concrete component, buries the calandria of erectting the cable in the through-hole underground, the spacing hole department of prefabricated assembled body is provided with the locating part that matches the spacing hole, and is adjacent prefabricated assembled body closely laminates; the reinforced concrete member is of a cuboid structure; studs are symmetrically arranged at the side surface connecting positions of the reinforced concrete members, and two adjacent reinforced concrete members are connected by penetrating through two adjacent studs through split screws; the technical scheme adopts the sectional installation of the integral prefabricated calandria, and the combined unit is simple and reliable, convenient to butt joint, low in construction requirement difficulty and good in reliability.
Description
Technical Field
The utility model relates to a cable installation technical field, it is concrete to relate to a prefabricated assembled cable duct bank.
Background
In order to adapt to modern city construction and power grid development, the construction of cable ducts is increasingly increased, the construction of duct ducts and work wells at present mainly adopts a cast-in-place and brick-laying structural mode, and the cable encapsulation and the work well forming can be finally formed only after a plurality of key links such as excavation, leveling, formwork erecting, binding, pouring, maintenance and the like are carried out during the cast-in-place method.
Although the integrity of the cast-in-place structure is good, the process needs to go through the above series of links, and the main defects are as follows:
1) the engineering construction period is long. The construction of the cast-in-place structure system is mostly completed by manual labor, the production efficiency is low, and the construction period is long. The timely power supply plan is influenced, and economic losses are brought to owners and countries;
2) the engineering cost is difficult to control. The cast-in-place structure system has complex working procedures, is greatly interfered by the outside and has difficult control of cost factors;
3) the engineering quality is difficult to guarantee. For example, after a small plate steel mould commonly used in the reinforced concrete molding is used for multiple times, the plate joint is large, slurry is easy to leak, particularly, the connection of the templates at the joint is more difficult, and the concrete surface has honeycombs, pitted surfaces, exposed ribs and cavities; concrete vibration leaks vibration, and the vibration is not compact, so that the rigidity and the strength at the junction are easy to reduce. When the maintenance time is short, the template and the support are disassembled, so that structural members are cracked and the like;
4) has great influence on the environment. The cast-in-place structure system has long time, and when the cast-in-place structure system is constructed in a city, the great influence on the urban environment and production life is necessarily brought, the safety maintenance, the road control and the like are required to be set for a long time, the traffic pressure of the city is increased, the construction is carried out for a long time, and the noise and the pollution are inevitable.
Adopt the brick structure, lead to the poor strength of cable pit, anti extrusion ability is weak, easily seeps water, easily deposition dirt and easily leads to cable support and cable sheath perishable, and practical life is short.
Chinese patent, publication No.: CN205921344U, published: 2017, 2 months and 1 days, a cable pit assembly structure and assembled cable pit are disclosed, including at least one assembly cell body, the assembly cell body includes bottom plate, curb plate subassembly and locking connection spare, the curb plate subassembly set up in on the bottom plate, the bottom plate is equipped with at least one first positioning connection spare to the evagination, the curb plate subassembly outwards the evagination be equipped with at least one with first positioning connection spare complex second positioning connection spare, locking connection spare is equipped with first pilot hole and second pilot hole, first positioning connection spare with first pilot hole cooperation is pegged graft, second positioning connection spare with the cooperation of second pilot hole is pegged graft. This cable duct's adoption equipment mosaic structure because the gap of concatenation is too much, can lead to the infiltration problem serious, and the reliability is not high, leads to the durable of device not high newly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the performance drawback of the whole slot that current cable duct adopted cast-in-place and brick to lead to, designed a prefabricated assembled cable duct bank, adopted whole prefabricated formula calandria segmentation installation, the modular unit is simple reliable, and the butt joint is convenient, and the construction requirement degree of difficulty is lower, and the reliability is better.
For realizing the above technical purpose, the utility model provides a pair of technical scheme is, a prefabricated assembled cable duct bank, the cable duct bank that forms including the mutual concatenation of the prefabricated assembled body of a plurality of, the prefabricated assembled body is once built the reinforced concrete component that forms including cement, be provided with a plurality of through-holes and the spacing hole that run through the reinforced concrete component in the reinforced concrete component, bury underground in the through-hole and erect the cable duct bank, it is adjacent spacing hole department of prefabricated assembled body is provided with the matching the locating part in spacing hole, it is adjacent prefabricated assembled body closely laminates.
In this scheme, the length of each section of prefabricated assembled can set up at will, and the cable of different specifications can set up respectively in the calandria of difference, and the locating part can guarantee that two adjacent prefabricated assembled bodies are in same height, makes things convenient for the through-hole butt joint, walks the line smoothly.
Preferably, the reinforced concrete member is of a rectangular parallelepiped structure; the utility model discloses a reinforced concrete component, including reinforced concrete component, the last terminal surface symmetry nestification of reinforced concrete component is provided with four pull rings that are used for lifting by crane reinforced concrete component, the side junction symmetry of reinforced concrete component is provided with the double-screw bolt, adjacent two the reinforced concrete component is run through two adjacent double-screw bolts by split screw and is connected.
In this scheme, four pull rings are buckled to the lifting hook of hoist, and the inseparable laminating of adjacent reinforced concrete component of being convenient for, after adjacent reinforced concrete component inseparable laminating, run through two adjacent double-screw bolts and then make adjacent reinforced concrete component constitute a whole through the split screw.
Preferably, the pull ring is a U-shaped or mouth-shaped or V-shaped O-shaped steel bar ring.
In the scheme, the shape of the pull ring can obviously improve the tolerance performance of the pulling face.
Preferably, the calandria is an mpp power tube.
In this scheme, the intraductal pipe wall of mpp power line is smooth, and the sheath of cable can not worn and torn in the cable pulls, and it has fine pressure resistance and electrical insulation.
Preferably, the limiting piece is a steel pipe, part of the steel pipe is nested in a corresponding position of the limiting hole, and the other part of the steel pipe extends out of the reinforced concrete member body.
In this scheme, the steel pipe guarantees that two adjacent reinforced concrete components are in same height, the concatenation of being convenient for.
Preferably, the thickness of the stopper is not less than 10 mm.
In this scheme, because the weight of partly reinforced concrete component is bound to bear as limiting displacement by the steel pipe, consequently, in order to improve the durability of whole cable trench, the thickness of steel pipe needs 10mm at least.
Preferably, a pore is reserved at the joint of the adjacent reinforced concrete members, and the pore is sequentially provided with a waterproof polyethylene foam strip, a high-modulus polyurethane sealant and a concrete interface treating agent from inside to outside.
According to the scheme, after splicing is completed, a joint filling process is adopted at the splicing gap, and the polyethylene foam strip, the high-modulus polyurethane sealant and the concrete interface treating agent are sequentially adopted to treat the splicing gap, so that the integrity and the waterproof performance of the surface of the whole cable trench are improved.
The utility model has the advantages that: the utility model discloses a prefabricated assembled cable duct bank, 1, adopt integrative reinforced concrete component structure of pouring, need not carry out the concrete operation at the scene, can improve the construction speed, realize real assembled quick construction. The construction period is short, and the influence on the urban environment is small; 2. the integrity is good, the backfilling is easy, and the anti-seismic performance is good; 3. the calandria adopts the modularization processing, and the technology control of being convenient for has better quality guarantee, and the precision is high, and the wholeness is good, and is level and smooth pleasing to the eye, is favorable to engineering cost control.
Drawings
Fig. 1 is a structural view of a prefabricated assembly type body.
Fig. 2 is the utility model relates to a prefabricated assembled cable duct structure chart.
The notation in the figure is: 1-prefabricating an assembled body, 2-pull rings, 3-through holes, 4-limiting holes and 5-studs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described in detail with reference to the accompanying drawings and examples, it should be understood that the specific embodiment described herein is only a preferred embodiment of the present invention, and is only used for explaining the present invention, and does not limit the protection scope of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in fig. 1, a prefabricated assembled cable duct comprises a cable duct body formed by mutually splicing a plurality of prefabricated assembled bodies 1, wherein each prefabricated assembled body 1 comprises a reinforced concrete member formed by pouring cement at one time, a plurality of through holes 3 and limiting holes 4 penetrating through the reinforced concrete member are formed in the reinforced concrete member, a duct pipe (not shown) for erecting a cable is embedded in each through hole 3, the duct pipe is an mpp power pipe, a limiting part (not shown) matched with the limiting holes 4 is arranged at the position of the limiting hole 4 adjacent to the prefabricated assembled body 1, the limiting part is a steel pipe, part of the steel pipe is embedded in the corresponding position of the limiting hole 4, the other part of the steel pipe extends out of the reinforced concrete member, and the thickness of the limiting pipe is not less than 10 mm; the adjacent prefabricated assembled bodies 1 are tightly attached, and the reinforced concrete member is of a cuboid structure; as shown in fig. 2, four pull rings 2 for lifting the reinforced concrete member are symmetrically nested on the upper end surface of the reinforced concrete member, the pull rings 2 are U-shaped or mouth-shaped or V-shaped O-shaped steel rings, studs 5 are symmetrically arranged at the side surface connection positions of the reinforced concrete member, and two adjacent reinforced concrete members are connected by oppositely pulling screws penetrating through two adjacent studs 5.
In the embodiment, the length of each prefabricated assembly type can be set at will, cables of different specifications can be arranged in different calandrias respectively, and the limiting parts can ensure that two adjacent prefabricated assembly type bodies 1 are at the same height, so that the butt joint of the through holes 3 is facilitated, and the wiring is smooth; the four pull rings 2 are buckled by the lifting hook of the crane, so that the adjacent reinforced concrete members are tightly attached, and after the adjacent reinforced concrete members are tightly attached, the adjacent reinforced concrete members form a whole by penetrating through the two adjacent studs 5 through the opposite-pulling screw rods; the shape of the pull ring 2 can obviously improve the stress of a pulling surface, the pipe wall in the mpp power pipe is smooth, the outer skin of the cable cannot be abraded when the cable is pulled, and the pull ring has good pressure resistance and electrical insulation; the steel pipes ensure that two adjacent reinforced concrete members are at the same height, so that splicing is facilitated; because the steel pipe is used as the limiting action and is bound to bear the weight of a part of reinforced concrete member, the thickness of the steel pipe needs at least 10mm in order to improve the durability of the whole cable groove.
And a pore is reserved at the joint of the adjacent reinforced concrete members, and the pore is sequentially provided with a waterproof polyethylene foam strip, a high-modulus polyurethane sealant and a concrete interface treating agent from inside to outside.
In the embodiment, after splicing is completed, a joint filling process is adopted at the spliced joint, and the joint at the spliced joint is treated by sequentially adopting the polyethylene foam strip, the high-modulus polyurethane sealant and the concrete interface treating agent, so that the integrity and the waterproof performance of the surface of the whole cable trench are improved.
The above-mentioned embodiment does the utility model relates to a preferred embodiment of prefabricated assembled cable duct bank is not injectd with this the utility model discloses a concrete implementation scope, the utility model discloses a scope includes and is not limited to this embodiment, and the all equivalent changes that do according to the utility model discloses a shape, structure are all in the protection scope of the utility model.
Claims (7)
1. The utility model provides a prefabricated assembled cable duct bank, includes the cable duct bank that the mutual concatenation of a plurality of prefabricated assembled body formed, its characterized in that: prefabricated assembled body is including the reinforced concrete component that cement once poured and form, be provided with a plurality of through-holes and the spacing hole that run through reinforced concrete component in the reinforced concrete component, bury underground in the through-hole and erect the calandria of cable, it is adjacent spacing hole department of prefabricated assembled body is provided with the matching the locating part in spacing hole, it is adjacent prefabricated assembled body closely laminates.
2. A prefabricated assembled cable duct bank according to claim 1, characterized in that:
the reinforced concrete member is of a cuboid structure; the utility model discloses a reinforced concrete component, including reinforced concrete component, the last terminal surface symmetry nestification of reinforced concrete component is provided with four pull rings that are used for lifting by crane reinforced concrete component, the side junction symmetry of reinforced concrete component is provided with the double-screw bolt, adjacent two the reinforced concrete component is run through two adjacent double-screw bolts by split screw and is connected.
3. A prefabricated assembled cable duct bank according to claim 2, characterized in that:
the pull ring is a U-shaped or mouth-shaped or V-shaped O-shaped steel bar ring.
4. A prefabricated assembled cable duct bank according to claim 1, characterized in that:
the calandria is an mpp power tube.
5. A prefabricated assembled cable duct bank according to claim 1, characterized in that:
the limiting piece is a steel pipe, one part of the steel pipe is nested in the corresponding position of the limiting hole, and the other part of the steel pipe extends out of the reinforced concrete member body.
6. A prefabricated assembled cable duct bank according to claim 5, characterized in that:
the thickness of the limiting piece is not less than 10 mm.
7. A prefabricated assembled cable duct bank according to claim 1, 2 or 5, characterized in that:
a pore is reserved at the joint of the adjacent reinforced concrete members, and the pore is sequentially provided with a waterproof polyethylene foam strip, a high-modulus polyurethane sealant and a concrete interface treating agent from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020484274.3U CN212304531U (en) | 2020-04-03 | 2020-04-03 | Prefabricated assembled cable duct bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020484274.3U CN212304531U (en) | 2020-04-03 | 2020-04-03 | Prefabricated assembled cable duct bank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304531U true CN212304531U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020484274.3U Active CN212304531U (en) | 2020-04-03 | 2020-04-03 | Prefabricated assembled cable duct bank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212304531U (en) |
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2020
- 2020-04-03 CN CN202020484274.3U patent/CN212304531U/en active Active
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