CN215906847U - Lightweight prefabricated assembled cable shaft - Google Patents
Lightweight prefabricated assembled cable shaft Download PDFInfo
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- CN215906847U CN215906847U CN202121703923.5U CN202121703923U CN215906847U CN 215906847 U CN215906847 U CN 215906847U CN 202121703923 U CN202121703923 U CN 202121703923U CN 215906847 U CN215906847 U CN 215906847U
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- prefabricated
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- side plate
- expansion sleeve
- cable well
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Abstract
The utility model discloses a light prefabricated cable well which comprises a bottom plate, wherein a plurality of reinforcing steel bars are pre-embedded along the periphery of the upper surface of the bottom plate, the top ends of the reinforcing steel bars extend outwards to extend through the upper surface of the bottom plate, the top ends of the reinforcing steel bars are provided with conical slopes, and a plurality of circles of convex thorns are axially and equidistantly arranged on the outer surface of each reinforcing steel bar; the bottom of the side plate is embedded with an expansion sleeve, the expansion sleeve extends outwards from the inside of the side plate to the lower surface of the side plate, the expansion sleeve is spliced with the steel bar, the expansion sleeve is provided with openings, and protruding thorn grooves clamped with the protruding thorn layers are arranged between the openings; the cover plate is connected to the top of the side plate, and the bottom plate, the side plate and the cover plate form the whole cable well. This prefabricated assembled cable shaft of lightweight has solved cable shaft installation rate among the prior art slow, the concatenation is complicated, the problem of transportation difficulty.
Description
Technical Field
The utility model relates to the field of construction operation, in particular to a light prefabricated cable well.
Background
At present, the domestic cable well is generally constructed by adopting on-site manual bricks or on-site concrete pouring, and the two modes have large engineering quantity, slow speed and long construction period and seriously influence the engineering progress. The cable well manufactured by the two modes also has the problems of poor waterproof effect and inconsistent space size in the using process. Chinese patent publication No. CN211340857U discloses a lightweight prefabricated cable well, which solves the problem of slow construction speed of the traditional cable well, but also has the problems of complex connection structure, more connecting pieces and inconvenient installation of the cable well.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, an object of the present invention is to provide a light prefabricated cable well, wherein the light prefabricated cable well has a simple structure, is convenient for splicing prefabricated parts, is convenient for installation, and is convenient for transportation.
In order to achieve the purpose, the technical scheme of the utility model provides a light-weight prefabricated assembly type cable well which comprises a bottom plate, wherein a plurality of reinforcing steel bars are pre-embedded in the bottom plate along the periphery of the upper surface, the top ends of the reinforcing steel bars extend outwards to extend through the upper surface of the bottom plate, the top ends of the reinforcing steel bars have an wedged inclination, and a plurality of circles of convex thorns are axially and equidistantly arranged on the outer surface of each reinforcing steel bar; the bottom of the side plate is embedded with an expansion sleeve, the expansion sleeve extends outwards from the inside of the side plate to the lower surface of the side plate, the expansion sleeve is spliced with the steel bar, the expansion sleeve is provided with openings, and protruding thorn grooves corresponding to the protruding thorn arrangement positions are formed between the openings; the cover plate is arranged on the top of the side plate; the bottom plate and the side plates are connected with each other through the insertion of the convex thorns and the expansion sleeves, the side plates and the cover plate are buckled with each other through the buckling grooves, and the bottom plate, the side plates and the cover plate form the whole cable well.
Furthermore, each circle of the convex thorns are uniformly distributed along the circumference of the steel bar, so that the tight connection and the uniform stress of the convex thorns and the concave grooves of the convex thorns are ensured.
Furthermore, in order to ensure that the bottom plate and the side plates can be tightly connected and fixed, the inserting length of the reinforcing steel bars and the expansion sleeves is 1/5-1/3 of the height of the side plates, the diameter of the reinforcing steel bars is 1/5-1/4 of the thickness of the side plates,
furthermore, in order to prevent the embedded sleeve from falling off, a boss is arranged at the top end of the expansion sleeve.
Furthermore, the bottom plate is composed of a plurality of prefabricated bottom plates, the prefabricated bottom plates are spliced into the cable well bottom plate through the grooves and the tongues, the prefabricated bottom plates are small in size, light in weight and convenient to transport, the groove and tongue structure is simple in design, and the connection is stable.
Furthermore, the side plates are provided with cable passing openings and are formed by detachably connecting a plurality of prefabricated side plates, so that the cable well is convenient to install and transport.
Furthermore, the cover plate is composed of a plurality of prefabricated cover plates, and at least one manhole prefabricated cover plate is arranged in each prefabricated cover plate, so that the cable can be conveniently overhauled by maintainers.
Further, bottom plate and curb plate interconnect department still are equipped with the waterproof layer, the waterproof layer is including preventing along the extrusion elasticity rubber sealing rod that the inboard edge of junction centers on, along the outside edge of junction around the chance water inflation sealing rod that sets up and fill waterproof mortar between two kinds of waterproof stripe, the waterproof layer makes cable shaft water-proof effects strengthened, and life also obtains increasing simultaneously.
Further, the upper surface of bottom plate is equipped with inside and outside twice recess along the periphery, extrusion elasticity rubber sealing rod sets up in the recess including, extrusion elasticity rubber sealing rod sets up in outer recess, and the sealing rod is extruded by bottom plate and curb plate.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
according to the utility model, the cable well is split into the plurality of lightweight prefabricated plates, the prefabricated plates are convenient to transport and hoist, the prefabricated plates are mutually spliced through the embedded steel bars and the expansion sleeves, so that the installation and fixation of the whole cable well can be realized, the installation process is simple and efficient, and the deployment time of the cable well is shortened;
meanwhile, the waterproof layer is arranged at the joint of the prefabricated plate, so that the waterproof effect of the cable well is guaranteed while the structural stress and the practical requirement are met.
Drawings
FIG. 1 is a schematic view of the bottom and side plate connections of a lightweight prefabricated cable well according to the present invention;
FIG. 2 is a cross-sectional view of an expanded casing of a light-weight prefabricated cable well of the present invention;
FIG. 3 is a front and top view of reinforcement bars of the light-weight prefabricated cable well of the present invention;
FIG. 4 is an overall block diagram of the lightweight prefabricated cable well of the present invention;
FIG. 5 is a schematic view of the construction of the bottom plate of the light-weight prefabricated cable well of the present invention;
FIG. 6 is a schematic side panel structure of a prefabricated cable well of the present invention having a light weight;
FIG. 7 is a schematic view of a manhole prefabricated cover plate structure of the prefabricated cable well of the present invention with light weight;
in the figure: 1-bottom plate, 2-side plate, 3-cover plate, 21-reinforcing steel bar, 22-rabbet, 23-outer groove, 24-inner groove, 31-step groove, 32-cable through hole, 33-fixing hole, 34-fixing column, 35-top beam, 41-expansion sleeve, 43-convex thorn, 44-waterproof mortar, 45-water expansion water stop bar, 46-extrusion elastic rubber water stop bar, 51-manhole cover plate, 61-boss, 62-convex thorn groove and 63-opening.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example one
As shown in the accompanying drawings 1-7 in the specification, the embodiment of the lightweight prefabricated cable well provided by the utility model comprises a bottom plate 1, wherein a plurality of reinforcing steel bars 21 are embedded in the bottom plate 1 along the periphery of the upper surface, the top ends of the reinforcing steel bars 21 extend outwards through the upper surface of the bottom plate 1, the top ends of the reinforcing steel bars 21 have an wedged inclination, and the outer surface of each reinforcing steel bar 21 is provided with 6 circles of spurs 43 at equal intervals along the axial direction; the bottom of the side plate 2 is embedded with an expansion sleeve 41, the expansion sleeve 41 extends outwards from the inside of the side plate 2 to the lower surface of the side plate 2, the expansion sleeve 41 is inserted into the steel bar 21, the expansion sleeve is provided with openings 63, and convex thorn grooves 62 clamped with the convex thorns 43 are formed between the openings 63; the cover plate 3 is connected to the top of the side plate 2, and the bottom plate 1, the side plate 2 and the cover plate 3 form the whole cable well.
As a preferred technical scheme, 3 convex thorns 43 are uniformly distributed along the circumference of the steel bar 21.
As a preferable technical scheme, in order to ensure that the bottom plate 1 and the side plate 2 can be tightly connected and fixed, the insertion length of the reinforcing steel bar 21 and the expansion sleeve 41 is 1/4 of the height of the side plate 2, the diameter of the reinforcing steel bar 21 is 1/4 of the thickness of the side plate 2,
as a preferred solution, the top end of the expansion sleeve 41 is provided with a boss 61.
As a preferred technical scheme, the bottom plate 1 consists of 4 prefabricated bottom plates, and the prefabricated bottom plates are spliced into the cable well bottom plate 1 through the tongue-and-groove 22.
As a preferred technical scheme, the side plate 2 is provided with a cable passing opening 32, the side plate 2 is detachably connected with a plurality of prefabricated side plates through fixing holes 33 and fixing columns 34, and the top of the side plate 2 is provided with a top beam 35 integrally cast with the side plate.
As a preferred solution, the cover plate 3 consists of 9 prefabricated cover plates, in which 2 prefabricated cover plates with individual holes are provided.
As a preferred technical scheme, the mutual connection part of the bottom plate 1 and the side plate 2 is further provided with a waterproof layer, and the waterproof layer comprises an extrusion elastic rubber water stop strip 46 which is prevented from being surrounded along the inner side edge of the connection part, a water swelling water stop strip 45 which is arranged along the outer side edge of the connection part in a surrounding manner, and waterproof mortar 44 which is filled between the two water stop strips.
As a preferred technical scheme, the upper surface of the bottom plate 1 is provided with an inner groove and an outer groove along the periphery, and the extrusion elastic rubber water stop strip 46 and the water-swelling water stop strip 45 are respectively arranged in the inner groove 24 and the outer groove 23 of the bottom plate.
In the embodiment, the weight of each prefabricated slab does not exceed 5 tons, and the volume of each prefabricated slab does not exceed 2m3The total weight of the assembled cable well is not more than 40 tons, and the total volume is not more than 16m3。
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.
Claims (9)
1. A prefabricated cable shaft of lightweight, comprising:
the bottom plate is embedded with a plurality of reinforcing steel bars along the periphery of the upper surface, the top ends of the reinforcing steel bars extend outwards to extend through the upper surface of the bottom plate, the top ends of the reinforcing steel bars have an wedged inclination, and the outer surface of each reinforcing steel bar is provided with a plurality of circles of convex thorns at equal intervals along the axial direction;
the bottom of the side plate is embedded with an expansion sleeve, the expansion sleeve extends outwards from the inside of the side plate to the lower surface of the side plate, the expansion sleeve is spliced with the steel bar, the wall of the expansion sleeve is provided with axial openings, and the wall between the openings is provided with convex thorn grooves corresponding to the convex thorn arrangement positions;
the cover plate is arranged on the top of the side plate;
the bottom plate and the side plates are connected with the expansion sleeve in an inserted mode through the convex thorns, the side plates are buckled with the cover plate through the buckling grooves, and the bottom plate, the side plates and the cover plate form the whole cable well.
2. The prefabricated, lightweight electrical cable pit of claim 1, wherein each turn of said barbs is evenly distributed along a circumference of the steel reinforcement.
3. The prefabricated cable well of claim 1, wherein the insertion length of the reinforcing bars and the expansion sleeve is 1/5-1/3 of the height of the side plate, and the diameter of the reinforcing bars is 1/5-1/4 of the thickness of the side plate.
4. The lightweight prefabricated cable well of claim 1, wherein said top end of said expansion sleeve is provided with a boss.
5. The prefabricated, lightweight cable well according to claim 1, wherein the base plate is comprised of a plurality of prefabricated base plates that are joined together by tongue-and-groove to form the cable well base plate.
6. The prefabricated cable well of claim 1, wherein said side plate is provided with a cable passage opening, and the side plate is formed by detachably connecting a plurality of prefabricated side plates.
7. The prefabricated, lightweight cable well of claim 1, wherein said cover plate is comprised of a plurality of prefabricated cover plates, at least one of said prefabricated cover plates being a manhole prefabricated cover plate.
8. The prefabricated cable well of claim 1, wherein a waterproof layer is further disposed at the joint of the bottom plate and the side plate, and the waterproof layer includes an extruded elastic rubber water stop strip surrounded along the inner edge of the joint, a water-swelling water stop strip surrounded along the outer edge of the joint, and waterproof mortar filled between the two waterproof rubber strips.
9. The prefabricated, lightweight cable well of claim 8, wherein said upper surface of said base plate is peripherally provided with an inner groove and an outer groove, said extruded elastomeric water stop being disposed in said inner groove, said extruded elastomeric water stop being disposed in said outer groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121703923.5U CN215906847U (en) | 2021-07-26 | 2021-07-26 | Lightweight prefabricated assembled cable shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121703923.5U CN215906847U (en) | 2021-07-26 | 2021-07-26 | Lightweight prefabricated assembled cable shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215906847U true CN215906847U (en) | 2022-02-25 |
Family
ID=80289776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121703923.5U Active CN215906847U (en) | 2021-07-26 | 2021-07-26 | Lightweight prefabricated assembled cable shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215906847U (en) |
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2021
- 2021-07-26 CN CN202121703923.5U patent/CN215906847U/en active Active
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