CN112886524A - Built-in bolt type prefabricated calandria - Google Patents
Built-in bolt type prefabricated calandria Download PDFInfo
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- CN112886524A CN112886524A CN202110041404.5A CN202110041404A CN112886524A CN 112886524 A CN112886524 A CN 112886524A CN 202110041404 A CN202110041404 A CN 202110041404A CN 112886524 A CN112886524 A CN 112886524A
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- prefabricated
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- 239000011150 reinforced concrete Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a built-in bolt type prefabricated pipe bank, which comprises a plurality of prefabricated units; each prefabricated unit is a prefabricated reinforced concrete porous plate, and the shape of the prefabricated unit is rectangular; each prefabricated unit comprises a plurality of internal fixed cable liner tubes which are parallel to each other and extend along the length direction; the prefabricated units are arranged along the same length direction, and every two adjacent prefabricated units are connected through opposite end faces; the prefabricated units are arranged along the same length direction, and two end faces connected between every two adjacent prefabricated units are connected through a plurality of built-in bolts. The socket type connection among the prefabricated pipe plate units is optimized to be the connection with the built-in bolt, so that the stress and the waterproof performance of the node are improved, and the bolt and the nut adopt the anti-corrosion cover plate to isolate the underground soil, so that the durability is improved; the unit joint tube plate surface adopts the structure to glue the elastic rubber sealing gasket and can be used for transmitting longitudinal load, and the liner tube is prefabricated in the unit hole, so that the field construction period can be further shortened.
Description
Technical Field
The invention relates to the technical field of underground power transmission line construction, in particular to a built-in bolt type prefabricated pipe arrangement.
Background
With the continuous promotion of the overhead line ground-entering work, various quality and environmental problems of the cast-in-place calandria become more and more prominent.
In the prior art, the socket joint type node of the prefabricated pipe arranging unit has the defects of uneven settlement, poor waterproof performance and the like.
Therefore, how to optimize the node structure of the prefabricated calandria tube to overcome the defects of the prior art becomes a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the defects in the prior art, the invention provides a built-in bolt type prefabricated calandria, and aims to overcome the defects of uneven settlement of prefabricated calandria unit nodes, poor waterproof performance and the like in the prior art.
In order to achieve the purpose, the invention discloses a built-in bolt type prefabricated pipe bank, which comprises a plurality of prefabricated units.
Each prefabricated unit is a prefabricated reinforced concrete porous plate, the appearance of the prefabricated unit is rectangular, and the length of the prefabricated unit is more than 5 times of the thickness of the prefabricated unit;
each prefabricated unit internally comprises a plurality of internal fixed cable liner tubes which are parallel to each other and extend along the length direction;
the prefabricated units are arranged along the same length direction, and every two adjacent prefabricated units are connected through opposite end faces;
the prefabricated units are arranged along the same length direction, and two end faces connected between every two adjacent prefabricated units are connected through a plurality of built-in bolts.
Preferably, a plurality of the built-in bolts and a plurality of the corresponding built-in nuts are respectively arranged at the positions, close to the edges, of the corresponding end faces.
More preferably, the outer side wall of each prefabricated unit is provided with mounting grooves corresponding to each built-in bolt and each built-in nut respectively at positions close to two ends.
More preferably, each mounting groove is provided with a matched anti-corrosion cover plate.
Preferably, a plurality of prefabricated units with the same shape are connected in sequence through the side face with the largest area formed by the length and the width to form a single row of parallel prefabricated segments.
More preferably, the two interconnected side surfaces of the two prefabricated units, which are connected by the side surface with the largest area, are provided with a tenon and a groove which are matched with each other.
More preferably, a plurality of end faces of all the prefabricated units in each prefabricated segment are staggered from each other and are not on a plane, and a stepped or zigzag structure is formed.
Preferably, a plurality of prefabricated units with the same shape are connected with each other through side faces with the same area to form a plurality of rows of parallel sections;
preferably, the prefabricated units are arranged along the same length direction, and the two end faces connected between every two adjacent prefabricated units are bonded by structural adhesive to form elastic rubber sealing gaskets so as to realize waterproof sealing and uniform force transmission.
Preferably, the prefabricated reinforced concrete porous plate is made of structural lightweight aggregate concrete and pretensioned prestressing spiral rib steel wires; the concrete impermeability grade of the structural lightweight aggregate concrete is P6.
The invention has the beneficial effects that:
the application of the invention optimizes the socket type connection among the prefabricated pipe plate units into the built-in bolt connection, thereby improving the stress and waterproof performance of the node, and the bolt hole position adopts an anti-corrosion cover plate to isolate the underground soil, thereby improving the durability; the surface of the unit joint pipe adopts structural adhesive to bond the elastic rubber sealing gasket, so that the waterproof sealing and the uniform force transmission can be realized, and the liner pipe is prefabricated in the unit hole, so that the field construction period can be further shortened.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic cross-sectional structure of an embodiment of the present invention.
Fig. 2 shows a schematic cross-sectional structure of another embodiment of the present invention.
Fig. 3 is a schematic side view of an unconnected state according to an embodiment of the present invention.
Fig. 4 is a schematic side view showing a connection state according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1, 3 and 4, the prefabricated pipe with built-in bolts comprises a plurality of prefabricated units 1.
Each prefabricated unit 1 is a prefabricated reinforced concrete porous plate, the appearance of the prefabricated reinforced concrete porous plate is rectangular, and the length of the prefabricated reinforced concrete porous plate is more than 5 times of the thickness of the prefabricated reinforced concrete porous plate;
each prefabricated unit 1 internally comprises a plurality of internal fixed cable liner tubes 4 which are parallel to each other and extend along the length direction;
the prefabricated units 1 are arranged along the same length direction, and every two adjacent prefabricated units 1 are connected through opposite end faces;
the prefabricated units are arranged along the same length direction, and two end faces connected between every two adjacent prefabricated units 1 are connected through a plurality of built-in bolts 2.
The principle of the invention is as follows:
the socket type connection between the prefabricated units 1 is optimized to be the connection of the built-in bolts 2, and the stress and the waterproof performance of the node are improved on the premise that the section size of the calandria is not increased;
the configuration of the built-in bolts 2 is determined according to the anti-settling design capability requirement of the prefabricated calandria nodes, wherein the bolts of the bottom-layer tube plate unit need to be fully configured.
In some embodiments, a plurality of internally disposed bolts 2, and a corresponding plurality of internally disposed nuts, are each disposed proximate the edge of the corresponding end face.
In some embodiments, the outer side wall of each prefabricated unit 1 is provided with mounting grooves corresponding to each built-in bolt 2 and each built-in nut respectively at positions close to both ends.
In some embodiments, each mounting groove is provided with a matching corrosion resistant cover plate 3.
The built-in bolt 2 and the built-in nut are isolated from underground soil by the anti-corrosion cover plate 3, and durability is improved.
In some embodiments, multiple equal-profile precast units 1 are connected in series by the largest-area side formed by the length and width to form a single column of parallel precast segments.
In some embodiments, two mutually connected side surfaces of two prefabricated units 1 which are connected by the side surface with the largest area are provided with tenons and grooves which are matched with each other.
In some embodiments, the end surfaces of all the prefabricated units 1 in each prefabricated segment are staggered from each other and are not on a plane, and a stepped or zigzag structure is formed.
In some embodiments, as shown in fig. 2, a plurality of prefabricated units 1 with the same shape are connected with each other through side faces with the same area to form a plurality of columns of parallel segments;
in some embodiments, the two end faces connected between every two adjacent prefabricated units 1 are arranged along the same length direction, and the elastic rubber sealing gaskets 5 are bonded by structural adhesive to realize waterproof sealing and uniform force transmission.
In some embodiments, the length-wise extending internal fixed cable liner 4 is prefabricated in the prefabricated unit 1, which may further shorten the on-site construction period.
In some embodiments, the prefabricated reinforced concrete porous slab is made of structural lightweight aggregate concrete and pretensioned prestressed spiral rib steel wires; the concrete impermeability rating of the structural lightweight aggregate concrete is P6.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The built-in bolt type prefabricated pipe comprises a plurality of prefabricated units (1); the prefabricated concrete multi-layer concrete combined prefabricated unit is characterized in that each prefabricated unit (1) is a prefabricated reinforced concrete porous plate, is rectangular in appearance and is more than 5 times as long as the thickness;
each prefabricated unit (1) internally comprises a plurality of internal fixed cable liner tubes (4) which are parallel to each other and extend along the length direction;
the prefabricated units (1) are arranged along the same length direction, and every two adjacent prefabricated units (1) are connected through opposite end faces;
the prefabricated units (1) are arranged along the same length direction, and two end faces connected between every two adjacent prefabricated units (1) are connected through a plurality of built-in bolts (2).
2. Prefabricated tube bank according to claim 1, characterized in that a plurality of said internal bolts (2) and a corresponding plurality of internal nuts are provided respectively at the respective end faces near the edges.
3. The pre-fabricated gauntlet with built-in bolts according to claim 2, characterized in that on the outer side wall of each pre-fabricated unit (1), near both ends, there are provided mounting grooves corresponding to each built-in bolt (2) and each built-in nut, respectively.
4. The pre-fabricated pipe rack with built-in bolts according to claim 3, characterized in that each mounting groove is provided with a matching corrosion-resistant cover plate (3).
5. Prefabricated tube bank with built-in bolts according to claim 1, characterized in that a plurality of prefabricated units (1) with the same shape are connected in series by the side with the largest area formed by length and width to form a single row of prefabricated segments in parallel.
6. The pre-fabricated tube bank of the built-in bolt type according to claim 5, characterized in that the two mutually connected side surfaces of the largest area of each two of the pre-fabricated units (1) connected by the side surface of the largest area are provided with tenons and grooves matching each other.
7. The pre-fabricated tube bank of the built-in bolt type according to claim 5, characterized in that the end faces of all the pre-fabricated units (1) in each pre-fabricated section are staggered from each other, not in one plane, forming a stepped or zigzag structure.
8. The prefabricated tube bank of the built-in bolt type according to claim 1, characterized in that a plurality of said prefabricated units (1) with the same shape are interconnected by side faces with the same area to form a plurality of rows of parallel segments.
9. The prefabricated pipe bank with built-in bolts according to claim 1, characterized in that the prefabricated pipe bank with built-in bolts is arranged along the same length direction, and structural adhesive elastic rubber sealing gaskets (5) are adopted between two end faces connected between every two adjacent prefabricated units (1) to realize waterproof sealing and uniform force transmission.
10. The built-in bolt type prefabricated pipe bank according to claim 1, wherein said prefabricated reinforced concrete porous slab is made of structural lightweight aggregate concrete, pre-tensioned pre-stressed spiral rib steel wires; the concrete impermeability grade of the structural lightweight aggregate concrete is P6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041404.5A CN112886524A (en) | 2021-01-13 | 2021-01-13 | Built-in bolt type prefabricated calandria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041404.5A CN112886524A (en) | 2021-01-13 | 2021-01-13 | Built-in bolt type prefabricated calandria |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112886524A true CN112886524A (en) | 2021-06-01 |
Family
ID=76045226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110041404.5A Pending CN112886524A (en) | 2021-01-13 | 2021-01-13 | Built-in bolt type prefabricated calandria |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112886524A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114763A (en) * | 2006-07-24 | 2008-01-30 | 上海新能凯博实业有限公司 | Prefabricated cable combined bank-pipe |
| TW201108539A (en) * | 2009-04-08 | 2011-03-01 | Rwe Ag | Charging pillar base for electric charging pillars |
| CN108832563A (en) * | 2018-08-30 | 2018-11-16 | 建华建材（中国）有限公司 | A kind of pre-fabricated electric cables comb and its construction method |
| CN208386103U (en) * | 2018-07-09 | 2019-01-15 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of quickly assembling sheet material assembly type cable slot |
| CN209344734U (en) * | 2019-01-15 | 2019-09-03 | 南通市市政工程设计院有限责任公司 | A kind of urban road construction underground pipe network pre-embedded device |
| CN211556812U (en) * | 2019-11-13 | 2020-09-22 | 华南理工大学 | Cable duct bank prefabricated module |
| CN211958647U (en) * | 2020-06-02 | 2020-11-17 | 山西联达管业有限公司 | Portable dismantled and assembled MPP cable protection pipe |
-
2021
- 2021-01-13 CN CN202110041404.5A patent/CN112886524A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114763A (en) * | 2006-07-24 | 2008-01-30 | 上海新能凯博实业有限公司 | Prefabricated cable combined bank-pipe |
| TW201108539A (en) * | 2009-04-08 | 2011-03-01 | Rwe Ag | Charging pillar base for electric charging pillars |
| CN208386103U (en) * | 2018-07-09 | 2019-01-15 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of quickly assembling sheet material assembly type cable slot |
| CN108832563A (en) * | 2018-08-30 | 2018-11-16 | 建华建材（中国）有限公司 | A kind of pre-fabricated electric cables comb and its construction method |
| CN209344734U (en) * | 2019-01-15 | 2019-09-03 | 南通市市政工程设计院有限责任公司 | A kind of urban road construction underground pipe network pre-embedded device |
| CN211556812U (en) * | 2019-11-13 | 2020-09-22 | 华南理工大学 | Cable duct bank prefabricated module |
| CN211958647U (en) * | 2020-06-02 | 2020-11-17 | 山西联达管业有限公司 | Portable dismantled and assembled MPP cable protection pipe |
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Application publication date: 20210601 |