CN112152179B - Prefabricated cable trench and construction method thereof - Google Patents
Prefabricated cable trench and construction method thereof Download PDFInfo
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- CN112152179B CN112152179B CN202010781766.3A CN202010781766A CN112152179B CN 112152179 B CN112152179 B CN 112152179B CN 202010781766 A CN202010781766 A CN 202010781766A CN 112152179 B CN112152179 B CN 112152179B
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- 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
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
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- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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- 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
Abstract
The invention relates to a prefabricated cable trench and a construction method thereof, wherein the prefabricated cable trench comprises the following steps: the two prefabricated calandrias are sequentially connected at the end part along the linear direction, the bottom of the outer pipe wall of each prefabricated calandria is provided with a first assembling groove, and the top of the outer pipe wall of each prefabricated calandria is provided with a second assembling groove; the bottom connecting plate is provided with two first assembling convex bodies which are arranged at intervals, and the first assembling convex bodies are correspondingly inserted into the first assembling grooves one by one; and the top connecting plate is provided with two second assembling convex bodies which are arranged at intervals, and the second assembling convex bodies are correspondingly inserted into the second assembling grooves one by one. This scheme need not to carry out on-the-spot ligature reinforcing bar like traditional cast in situ concrete cable pit, builds operation contents such as template, concreting, can reduce work load and constructor intensity of labour by a wide margin, shortens construction cycle by a wide margin simultaneously, and can not receive the different technical ability level of constructor to influence, can guarantee the shaping quality of prefabricated cable pit.
Description
Technical Field
The invention relates to the technical field of prefabricated buildings, in particular to a prefabricated cable trench and a construction method thereof.
Background
At present, along with the rapid advance of urbanization pace, municipal road construction is also in the development of tight gong and dense drum, and the underground cable pavement work for realizing the connection of different public equipment and power supply equipment is the most basic and the most important construction content. In order to protect the underground cable, a foundation pit is usually dug on the ground, a cable trench is laid in the foundation pit, the underground cable is laid in the cable trench, and the underground cable is protected through the cable trench.
However, most of cable trenches used in the market are still cast-in-place concrete type cable trenches, a series of complex procedures such as concrete mixing, reinforcement bar binding, template building, concrete pouring and the like need to be carried out on a construction site when the cable trenches are built, the workload and the labor intensity are large, the construction period is long, the construction quality is easily influenced by the operation skill level and errors of constructors, and the reliability is low.
Disclosure of Invention
Based on the above, a need exists for a prefabricated cable trench and a construction method thereof, and aims to solve the problems of large workload, long construction period and difficulty in ensuring construction quality in the prior art.
On the one hand, this application provides a prefabricated cable pit, its characterized in that, prefabricated cable pit includes:
the two prefabricated calandrias are sequentially connected at the end part along the linear direction, the bottom of the outer pipe wall of each prefabricated calandria is provided with a first assembling groove, and the top of the outer pipe wall of each prefabricated calandria is provided with a second assembling groove;
the bottom connecting plate is provided with two first assembling convex bodies which are arranged at intervals, and the first assembling convex bodies are correspondingly inserted into the first assembling grooves one by one; and
the top connecting plate is provided with two second assembling convex bodies which are arranged at intervals, and the second assembling convex bodies are correspondingly inserted into the second assembling grooves in a one-to-one mode.
The prefabricated calandria of above-mentioned scheme is applied to the low construction place of laying of cable, specifically is to assemble at least two sections prefabricated calandrias and form the prefabricated cable ditch in order to accept the cable of mating formation to play good guard action to the cable. Specifically, during construction, firstly, a foundation pit is excavated in a construction site, and foundation treatment is carried out; then, a concrete cushion is poured on the foundation, then a bottom connecting plate is laid on the concrete cushion, the two prefabricated pipe rows are hoisted to the bottom connecting plate, and the first assembling groove is spliced with the first assembling convex body; and mounting a top connecting plate on the tops of the two sections of the prefabricated calandria, and inserting the second assembling groove into the second assembling convex body. Therefore, the prefabricated calandria, the bottom connecting plate and the top connecting plate are prefabricated and molded in a factory in advance and then are directly conveyed to a construction site for splicing, so that the operation contents such as steel bar binding, template building, concrete pouring and the like are not required to be carried out like the traditional cast-in-place concrete cable trench, the workload and the labor intensity of constructors can be greatly reduced, meanwhile, the construction period is greatly shortened, meanwhile, the splicing of two sections of prefabricated calandria can be completed by only inserting the corresponding first assembling groove and the corresponding first assembling convex body and inserting the second assembling groove and the second assembling convex body to obtain the prefabricated cable trench, the assembling operation is simple, the influence of different skill levels of the constructors is avoided, and the molding quality of the prefabricated cable trench can be ensured.
The technical solution of the present application is further described below:
in one embodiment, a first reinforced mortar body is further arranged between the first assembling convex body and the first assembling groove.
In one embodiment, a second reinforced mortar body is further arranged between the second assembling convex body and the second assembling groove.
In one embodiment, the pre-cast cable trench further comprises a concrete bedding layer on which the pre-cast drain tubes are arranged.
In one embodiment, said pre-fabricated gauntlet comprises:
a base plate;
the first side plate and the second side plate are arranged on the same side face of the bottom plate in a spaced and opposite mode;
the cover plate covers one sides, far away from the bottom plate, of the first side plate and the second side plate, the bottom plate, the first side plate, the second side plate and the cover plate are arranged in a surrounding mode to form a calandria body, and an installation cavity is formed inside the calandria body; and
first end plate and second end plate, first end plate set up in wherein port department of calandria body, the second end plate set up in wherein another port department of calandria body, just first end plate with the second end plate has all been seted up and has been allowed the cable to penetrate the cable via hole of installation cavity.
In one embodiment, the prefabricated pipe rack further comprises a top support rod and a hanging support frame, the hanging support frame is arranged on the side, facing the installation cavity, of the first side plate and/or the second side plate, the top support rod is lapped on the hanging support frame, and the cover plate is arranged on the top support rod.
In one embodiment, the top support rod is provided with a first matching convex body, the bearing and hanging frame is provided with a first matching concave body, and the first matching convex body is inserted into the first matching concave body.
In one embodiment, the first end plate and the second end plate each comprise a lower unit body, a middle unit body and an upper unit body which are longitudinally arranged, the cable through holes comprise first cable through holes with a first diameter, and the first cable through holes are formed between the lower unit body and the middle unit body and between the middle unit body and the upper unit body; the cable through hole is formed in the middle unit body, the middle unit body comprises a first split body, a second split body and a third split body which are transversely arranged, the cable through hole further comprises a second cable through hole which is used for penetrating and being provided with a second diameter, and the second cable through hole is formed between the first split body and the second split body, between the second split body and the third split body and on the second split body.
In one embodiment, the lower unit body is detachably assembled and connected with the middle unit body through a concave-convex insertion structure, and the middle unit body is detachably assembled and connected with the upper unit body through a concave-convex insertion structure; along the tube length direction of the tube bank body, the opposite two side surfaces of the lower unit body and the upper unit body are respectively provided with a second matching concave part and a second matching convex body; prefabricated calandria still includes the connecting reinforcement, down the cell body with go up the cell body and all seted up the steel bar connection hole, the steel bar connection hole is followed the pipe length direction of calandria body extends the setting, the connecting reinforcement is inserted and is arranged in the steel bar connection hole, down the cell body with the slip casting hole has been seted up at the top of going up the cell body, the steel bar connection hole with connecting reinforcement clearance fit forms the slip casting chamber, the slip casting hole with slip casting chamber intercommunication.
On the other hand, the application also provides a construction method of the prefabricated cable trench, which comprises the following steps:
excavating a foundation pit and treating a foundation;
pouring a concrete cushion layer;
paving a bottom connecting plate on the concrete cushion layer;
hoisting two sections of prefabricated calandria onto the bottom connecting plate, and inserting the first assembling groove and the first assembling convex body;
and mounting a top connecting plate on the tops of the two sections of the prefabricated calandria, and inserting the second assembling groove into the second assembling convex body.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a prefabricated pipe bank according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a prefabricated gauntlet according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a prefabricated pipe rack according to another embodiment of the present invention;
fig. 4 is an exploded view of a first end plate according to an embodiment of the present invention;
FIG. 5 is a side view of the lower unit body of FIG. 4;
fig. 6 is a flowchart illustrating steps of a method for constructing a prefabricated cable trench according to an embodiment of the present invention.
Description of reference numerals:
10. prefabricating a calandria; 11. a base plate; 111. a first slot; 112. a second slot; 12. a first side plate; 121. a first insert; 13. a second side plate; 131. a second insert; 14. a cover plate; 15. a first end plate; 16. a second end plate; 20. a top support bar; 21. a first mating protrusion; 30. a bearing and hanging rack; 31. a first mating recess; 40. a lower unit body; 50. a monomer; 51. a first split body; 52. a second body; 53. a third split; 60. an upper unit body; 70. a first cable via; 80. a second cable via; 90. a second mating recess; 100. a second mating protrusion; 110. connecting reinforcing steel bars; 120. connecting the steel bars; 130. grouting holes; 140. a second fitting groove; 150. a first fitting groove.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The embodiment of the application provides a prefabricated cable trench, and particularly relates to a cable trench structure constructed by adopting a prefabricated assembly type building, which is used for paving cables needing to be laid under the ground in urban construction.
Prefabricated cable pit include: two prefabricated calandrias 10, bottom connecting plate and top connecting plate. Two of the prefabricated calandria 10 are sequentially connected with each other at the end part along the straight line direction. It should be noted that the solution of using two prefabricated pipes 10 for the prefabricated cable duct is only a preferred solution, and is intended to facilitate the description of the specific embodiment of the prefabricated cable duct, but not to limit the scope of protection of the present application. In other embodiments, depending on the length of the cable to be laid, a corresponding length of the pre-cast cable trench may be set, in which case the pre-cast cable trench may be terminated by three or more pre-cast gauntlets 10.
The bottom of the outer tube wall of each of the prefabricated drain tubes 10 is provided with a first fitting groove 150, and the top of each of the prefabricated drain tubes 10 is provided with a second fitting groove 140. It can be understood that the bottom of the outer tube wall of each prefabricated pipe 10 is provided with a first assembling groove 150 near two ports, and the top of the outer tube wall of each prefabricated pipe 10 is also provided with a second assembling groove 140 near two ports, so that it can be ensured that two adjacent prefabricated pipe 10 can be assembled and connected with the matched bottom connecting plate and top connecting plate.
That is, the bottom connecting plate is provided with two first assembling protrusions arranged at intervals, and the first assembling protrusions are correspondingly inserted into the first assembling grooves 150 one by one; the top connecting plate is provided with two second assembling convex bodies which are arranged at intervals, and the second assembling convex bodies are correspondingly inserted into the second assembling grooves 140 in a one-to-one manner.
In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: the prefabricated cable trench is applied to construction occasions where cables are laid underground, wherein the bottom connecting plate, the top connecting plate and the prefabricated pipe arrangement 10 are all prefabricated and formed by manufacturers and can be directly transported to a construction site for use. During construction, firstly, foundation pit excavation is completed in an installation site, and foundation treatment is carried out; then, a concrete cushion is poured on the foundation, a bottom connecting plate is laid on the concrete cushion, the two prefabricated pipe rows 10 are hoisted to the bottom connecting plate, and the first assembling grooves 150 are connected with the first assembling convex bodies in an inserting mode; finally, the top connecting plate is installed on the tops of the two prefabricated pipe rows 10, and the second assembling groove 140 is inserted into the second assembling convex body, so that the field assembling construction operation of the whole prefabricated cable trench can be completed. Compared with the traditional cast-in-place concrete cable trench, the prefabricated cable trench is simple in structure composition and construction process, construction operation contents of binding steel bars and pouring side plate concrete on a construction site are not needed, site construction time can be shortened, urban roads are required to be excavated, construction of the urban roads is carried out, and the cable trench is shielded, so that remarkable social benefits can be brought.
In addition, the application also provides a construction method of the prefabricated cable trench, which comprises the following steps:
excavating a foundation pit and treating a foundation;
pouring a concrete cushion layer;
paving a bottom connecting plate on the concrete cushion;
hoisting the two prefabricated calandrias 10 on the bottom connecting plate, and inserting the first assembling groove 150 and the first assembling convex body;
the top connecting plate is mounted on top of two of said pre-fabricated gauntlets 10 and the second fitting grooves 140 are plugged with the second fitting protrusions.
The prefabricated calandria 10 of above-mentioned scheme is applied to the low construction place of laying of cable, specifically assembles two at least sections prefabricated calandria 10 and forms prefabricated cable pit in order to accept the cable of mating formation to play good guard action to the cable. Specifically, during construction, firstly, a foundation pit is excavated in a construction site, and foundation treatment is carried out; then, a concrete cushion is poured on the foundation, then a bottom connecting plate is paved on the concrete cushion, the two prefabricated pipe rows 10 are hoisted to the bottom connecting plate, and the first assembling groove 150 is spliced with the first assembling convex body; the top connecting plate is mounted on top of the two pre-fabricated rows of tubes and the second fitting grooves 140 are inserted into the second fitting protrusions. Therefore, the prefabricated pipe, the bottom connecting plate and the top connecting plate are prefabricated and molded in a factory in advance and then are directly conveyed to a construction site for splicing, so that the operation contents such as steel bar binding, template building, concrete pouring and the like in the field are not needed like the traditional cast-in-place concrete cable trench, the workload and the labor intensity of constructors can be greatly reduced, meanwhile, the construction period is greatly shortened, meanwhile, the two sections of prefabricated pipe can be spliced to obtain the prefabricated cable trench only by splicing the corresponding first assembling groove 150 and the corresponding first assembling convex body and splicing the second assembling groove 140 and the corresponding second assembling convex body, the assembling operation is simple, the influence of different skill levels of the constructors is avoided, and the molding quality of the prefabricated cable trench can be ensured.
In addition, before the first assembling groove 150 is inserted into the first assembling protrusion and the second assembling groove 140 is inserted into the second assembling protrusion, a certain amount of quick setting mortar needs to be poured into the first assembling groove 150 and the second assembling groove 140, so that a first reinforced mortar body is formed between the first assembling protrusion and the first assembling groove 150, and a second reinforced mortar body is formed between the second assembling protrusion and the second assembling groove 140. Therefore, the connection strength and reliability of the prefabricated calandria 10 and the bottom connecting plate and the top connecting plate can be further improved.
Particularly, when the foundation geological condition is not good or a soft soil layer condition exists in a construction site, the foundation pit is prone to sinking due to uneven stress, and the safety installation of the prefabricated cable trench is affected. To this end, the prefabricated cable trench further includes a concrete cushion, and the prefabricated pipe 10 is disposed on the concrete cushion. Through pouring at first on the ground and forming a layer of concrete bed course, can play the reinforcement effect to the foundation geology intensity is not good to can guarantee to install the prefabricated cable pit above that firm reliable.
As shown in fig. 1, a prefabricated gauntlet tube 10 is shown for one embodiment of the present application, said prefabricated gauntlet tube 10 comprising: a bottom plate 11, a first side plate 12, a second side plate 13, a cover plate 14, a first end plate 15 and a second end plate 16.
The first side plate 12 and the second side plate 13 are arranged on the same side surface of the bottom plate 11 at intervals and oppositely; the cover plate 14 covers one side of the bottom plate 11 away from the first side plate 12 and the second side plate 13, and the bottom plate 11, the first side plate 12, the second side plate 13 and the cover plate 14 are enclosed to form a rack pipe body. As can be seen from fig. 1, in the present embodiment, the prefabricated pipe rack 10 is formed into a rectangular cylinder, and the contact area between the bottom plate 11 and the ground is large enough, so that the whole pavement of the prefabricated pipe rack 10 is ensured to be more stable. Of course, in other embodiments, the rack pipe body can also be set to be in the shape of a cylinder, a trapezoid cylinder, etc.; the concrete can be selected according to actual needs.
An installation cavity is formed inside the calandria body; first end plate 15 set up in wherein port department of calandria body, second end plate 16 set up in wherein another port department of calandria body, just first end plate 15 with second end plate 16 has all been seted up and has been allowed the cable to penetrate the cable via hole of installation cavity.
The prefabricated calandria 10 of above-mentioned scheme is applied to the construction place that the cable is laid lowly, specifically is used for accepting the cable of mating formation to play good protective action to the cable. Specifically, during construction, the floor is firstly laid in a foundation pit formed by excavation, then the first side plate 12 and the second side plate 13 are installed on the same side surface (namely the upper surface) of the floor in a spaced and opposite mode, and then the cover plate 14 is installed on the top of the first side plate 12 and the second side plate 13, so that the circumferentially closed calandria body can be formed. Afterwards, install first end plate 15 and second end plate 16 respectively to the relative both ends mouth department of calandria body again, and make two preset cable via holes and installation cavity intercommunication on the end plate, so, accessible cable via hole penetrates and finally inserts the installation cavity of calandria body inside during cable laying, first end plate 15 and second end plate 16 not only can play support and positioning action to the cable this moment, the calandria body can also play the enclosure effect to the cable simultaneously, can prevent effectively that external force from causing direct destruction to the cable, guarantee cable safety, ensure that the cable possesses normal power supply ability.
In some embodiments, the prefabricated pipe 10 further comprises a top support bar 20 and a hanger 30, said hanger 30 being disposed at a side of the first side plate 12 and/or the second side plate 13 facing the installation cavity, said top support bar 20 being lapped on said hanger 30, and said cover plate 14 being disposed on said top support bar 20. So, be connected with the hanger bracket 30 through the top support pole 20, not only can strengthen the joint strength of the unsettled position in first curb plate 12 and second curb plate 13 upper end, can further promote the installation stability of apron 14 simultaneously, improve the intensity of apron 14, take place to destroy when avoiding receiving external load extrusion.
Alternatively, the cover plate 14 may be a layer of steel plate or a concrete plate body formed using fiber concrete casting.
Further, in order to avoid the top support rod 20 from falling off from the hanging rack 30 easily when the top support rod is subjected to external environment vibration or collision by an external object (for example, when the cover plate 14 is installed), the top support rod 20 is provided with a first matching convex body 21, the hanging rack 30 is provided with a first matching concave part 31, and the first matching convex body 21 is inserted into the first matching concave part 31. Of course, in other embodiments, the first engaging recess 31 may be formed on the top support bar 20, and the first engaging protrusion 21 may be formed on the hanging bracket 30.
In still other embodiments, the bottom plate 11 has a first slot 111 and a second slot 112, the first side plate 12 has a first insertion body 121, the second side plate 13 has a second insertion body 131, the first insertion body 121 is inserted into the first slot 111, and the second insertion body 131 is inserted into the second slot 112. Therefore, the first side plate 12 and the second side plate 13 can be connected with the bottom plate 11 more stably and reliably.
In some embodiments, the first end plate 15 and the second end plate 16 are of an integral structure, so that the first end plate 15 and the second end plate 16 have better overall performance, higher structural strength and better support stability for the cable. The cable vias include at least one first cable via 70 and at least one second cable via 80 for passing cables of different diameters. Since generally the type of cable to be laid in a cable trench is different, for example, the first cable via 70 can be used for passing a power transmission cable with a diameter of 250mm, the second cable via 80 can be used for passing a communication cable with a diameter of 110mm, etc.
Alternatively, in other embodiments, the first end plate 15 and the second end plate 16 each include a lower unit body 40, a middle unit body 50 and an upper unit body 60, which are longitudinally arranged, the cable via holes include a first cable via hole 70 for passing a first diameter, and the first cable via holes 70 are formed between the lower unit body 40 and the middle unit body 50 and between the middle unit body 50 and the upper unit body 60.
The middle unit body 50 includes a first division body 51, a second division body 52 and a third division body 53 which are transversely arranged, the cable via hole further includes a second cable via hole 80 for passing a second diameter, and the second cable via holes 80 are formed between the first division body 51 and the second division body 52, between the second division body 52 and the third division body 53, and on the second division body 52.
The split structural design has the advantages that the split components can be installed while the pipes and the cables are laid, so that the installation is more flexible and controllable, and particularly when a large number of long cables need to be laid in the same batch, the laying mode is more beneficial to keeping the cables on the same horizontal plane, and the difficulty in pipe penetration and cable laying is reduced. For example, when a cable of a first diameter is installed through the first cable passing hole 70, the lower unit body 40 is first installed, only the first arc-shaped concave portion above the lower unit body 40 is formed, the cable is then inserted into the first arc-shaped concave portion, the middle unit body 50 is then installed, the second arc-shaped concave portion below the middle unit body 50 is aligned with the first arc-shaped concave portion to be able to be looped over the cable, and the lower unit body 40 and the middle unit body 50 are then able to cooperate to clamp and fix the cable. The manner of fitting the second diameter cable to the middle unit body 50 and the upper unit body 60 is similar to the above, and will not be described herein.
Particularly, in order to enable the lower unit body 40, the middle unit body 50 and the upper unit body 60, and the first split body 51, the second split body 52 and the third split body 53 of the split bodies to be stably assembled and stably connected, the lower unit body 40 and the middle unit body 50 are detachably assembled and connected through a concave-convex insertion structure, and the middle unit body 50 and the upper unit body 60 are detachably assembled and connected through a concave-convex insertion structure.
In order to enhance the connection performance of the assembly part of the two prefabricated pipe banks 10, reduce the difficulty of end part splicing and improve the splicing precision, along the pipe length direction of the pipe bank body, the opposite two side surfaces of the lower unit body 40 and the upper unit body 60 are respectively provided with a second matching concave part 90 and a second matching convex part 100. That is, in two adjacent prefabricated calandria 10, the end of one of them sets up second cooperation concave part 90, and the end of the other sets up second cooperation convex body 100, and second cooperation convex body 100 can be pegged graft with second cooperation concave part 90 to realize two prefabricated calandria 10 aim at fast and firm in connection.
In addition, in some other embodiments, the prefabricated pipe rack 10 further includes a connecting steel bar 110, the lower unit body 40 and the upper unit body 60 are both provided with a steel bar connecting hole 120, the steel bar connecting hole 120 extends along the length direction of the pipe rack body, and the connecting steel bar 110 is inserted into the steel bar connecting hole 120.
It can be understood that, in the same prefabricated pipe row 10, only one of the first end plate 15 or the second end plate 16 is provided with the reinforcing bar connecting hole 120, and the connecting reinforcing bar 110 is inserted into the reinforcing bar connecting hole 120, while only the reinforcing bar connecting hole 120 is reserved on the other, and during the construction, the end provided with the connecting reinforcing bar 110 in the two prefabricated pipe rows 10 is butted with the end not provided with the connecting reinforcing bar 110, so that the connecting reinforcing bar 110 can be inserted into the opposite reinforcing bar connecting hole 120. Therefore, the connection performance and the integrity of two adjacent prefabricated pipe rows 10 can be further improved by the insertion and matching of the connecting steel bars 110 and the steel bar connecting holes 120.
Further, the top of the lower unit body 40 and the top of the upper unit body 60 are provided with grouting holes 130, the reinforcing steel bar connecting holes 120 and the connecting reinforcing steel bars 110 are in clearance fit to form grouting cavities, and the grouting holes 130 are communicated with the grouting cavities. So, through slip casting hole 130 to the pouring concrete thick liquids of slip casting intracavity, treat can regard as the connection media after the concrete thick liquids solidifies, can make connecting reinforcement 110 and lower cell body 40 and go up cell body 60 connectivity stronger, joint strength is higher, guarantees the wholeness of prefabricated cable pit.
In addition, the present application also provides a construction method of the prefabricated pipe arrangement 10, which includes the following steps:
sequentially installing a bottom template, a first side template, a second side template and a top template;
paving bottom prefabricated part steel bars in the bottom formwork;
mounting a first end template at one end of the bottom template, and mounting a second end template at the other end of the bottom template;
paving side prefabricated steel bars in the first side formwork and the second side formwork;
laying top prefabricated part steel bars in the top formwork;
respectively to the die block board first side form the second side form with cast concrete in the top form to obtain bottom plate 11, first curb plate 12, second curb plate 13 and apron 14, the bottom plate 11 first curb plate 12 second curb plate 13 with the apron 14 cooperation constitutes the calandria body, the calandria body with first end plate 15 reaches the cooperation of second end plate 16 constitutes prefabricated calandria.
In addition, it should be noted that the prefabricated cable trench is mainly used for laying single-loop cables, and when double-loop or multi-loop cables need to be laid, a plurality of cable trenches matched with the number of the cable loops are installed side by side.
In addition, in order to play warning and reminding roles to constructors or follow-up maintenance personnel so as to avoid damaging the prefabricated cable trench and cables inside the prefabricated cable trench, pattern marks or related electric power warning marks can be manufactured on the outer surface of the cover plate.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Claims (7)
1. The utility model provides a prefabricated cable pit, its characterized in that, prefabricated cable pit includes:
the two prefabricated calandrias are sequentially connected at the end part along the linear direction, the bottom of the outer pipe wall of each prefabricated calandria is provided with a first assembling groove, and the top of the outer pipe wall of each prefabricated calandria is provided with a second assembling groove;
the bottom connecting plate is provided with two first assembling convex bodies which are arranged at intervals, and the two first assembling convex bodies are correspondingly inserted into the first assembling grooves on the two prefabricated calandrias one by one; and
the top connecting plate is provided with two second assembling convex bodies which are arranged at intervals, and the two second assembling convex bodies are correspondingly inserted into the second assembling grooves on the two prefabricated drain pipes one by one;
prefabricated calandria includes bottom plate, first curb plate, second curb plate, apron, first end plate, second end plate and connecting reinforcement, wherein:
the first side plate and the second side plate are arranged on the same side face of the bottom plate in a spaced and opposite mode;
the cover plate is covered on one side, away from the bottom plate, of the first side plate and the second side plate, the bottom plate, the first side plate, the second side plate and the cover plate are arranged in a surrounding mode to form a calandria body, and an installation cavity is formed inside the calandria body;
the first end plate is arranged at one port of the pipe rack body, the second end plate is arranged at the other port of the pipe rack body, cable through holes allowing cables to penetrate into the installation cavity are formed in the first end plate and the second end plate respectively, and the cable through holes comprise first cable through holes with a first diameter and second cable through holes with a second diameter;
the first end plate and the second end plate respectively comprise a lower unit body, a middle unit body and an upper unit body which are longitudinally arranged, and the first cable through holes are formed between the lower unit body and the middle unit body and between the middle unit body and the upper unit body;
the middle unit body comprises a first split body, a second split body and a third split body which are transversely arranged, and the second cable through holes are formed between the first split body and the second split body, between the second split body and the third split body and on the second split body;
the lower unit body and the middle unit body and the upper unit body are detachably assembled and connected through concave-convex inserting structures, and second matching concave parts and second matching convex parts are respectively arranged on two opposite side surfaces of the lower unit body and the upper unit body along the pipe length direction of the pipe arranging body;
the lower unit body with the upper unit body has all seted up the steel bar connection hole, the steel bar connection hole is followed the pipe length direction of calandria body extends the setting, the connecting reinforcement is inserted and is arranged in the steel bar connection hole, the lower unit body with the slip casting hole has been seted up at the top of upper unit body, the steel bar connection hole with the connecting reinforcement clearance fit forms the slip casting chamber, the slip casting hole with the slip casting chamber intercommunication.
2. The pre-fabricated cable trench of claim 1, wherein a first reinforcing mortar body is further disposed between the first fitting protrusion and the first fitting groove.
3. The pre-fabricated cable trench of claim 1, wherein a second reinforced mortar body is further disposed between the second assembling protrusion and the second assembling groove.
4. The pre-cast cable trench according to any one of claims 1 to 3, further comprising a concrete bedding layer on which the pre-cast drain tubes are disposed.
5. The prefabricated cable trench of claim 1, wherein the prefabricated pipe further comprises a top support bar and a hanging bracket, the hanging bracket is disposed at a side of the first side plate and the second side plate facing the installation cavity, the top support bar is lapped on the hanging bracket, and the cover plate is disposed on the top support bar.
6. The pre-fabricated cable trench according to claim 5, wherein the top support bar is provided with a first engaging protrusion, and the hanging bracket is provided with a first engaging recess, and the first engaging protrusion is inserted into the first engaging recess.
7. A method for constructing a prefabricated cable trench according to any one of claims 1 to 6, comprising the steps of:
excavating a foundation pit and treating a foundation;
pouring a concrete cushion layer;
laying the bottom connecting plate on the concrete cushion;
hoisting two sections of the prefabricated calandria onto the bottom connecting plate, and inserting the first assembling groove and the first assembling convex body;
and installing the top connecting plate on the tops of the two prefabricated calandria pipes, and enabling the second assembling grooves to be inserted into the second assembling convex bodies.
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| CN202010781766.3A CN112152179B (en) | 2020-08-06 | 2020-08-06 | Prefabricated cable trench and construction method thereof |
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| CN202010781766.3A CN112152179B (en) | 2020-08-06 | 2020-08-06 | Prefabricated cable trench and construction method thereof |
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| CN112152179A CN112152179A (en) | 2020-12-29 |
| CN112152179B true CN112152179B (en) | 2022-07-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116240926B (en) * | 2023-05-09 | 2023-07-18 | 四川坚卓装配式建筑科技有限公司 | Spliced electric power working well |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205385271U (en) * | 2016-03-17 | 2016-07-13 | 国网浙江省电力公司金华供电公司 | Prefabricate cable passage entirely |
| CN106193115A (en) * | 2016-08-30 | 2016-12-07 | 中建科技（福州）有限公司 | A kind of concrete prefabricated groove |
| CN106253188A (en) * | 2016-08-22 | 2016-12-21 | 河北超能投资管理有限公司 | Assembly type cable slot and construction method thereof |
| CN205921343U (en) * | 2016-08-01 | 2017-02-01 | 广州电力设计院 | Cable pit cell cube and cable pit |
| CN107516866A (en) * | 2017-08-30 | 2017-12-26 | 国家电网公司 | A kind of Prefabricated cable duct |
| 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 |
| CN210182995U (en) * | 2019-09-03 | 2020-03-24 | 无锡锡东电力电气安装工程有限公司 | Prefabricated assembled electric power pipe |
| CN210443992U (en) * | 2018-09-29 | 2020-05-01 | 冯嘉楷 | Novel cable trench |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101193555B1 (en) * | 2011-01-06 | 2012-10-22 | 한전케이피에스 주식회사 | Triangle arrangement support of three cable for electricity |
| DE102013016874A1 (en) * | 2013-10-11 | 2015-04-30 | Rwe Ag | Floor element for electrical installations and system with floor elements |
| CN206401862U (en) * | 2017-01-04 | 2017-08-11 | 曲靖浩晨电力工程设计有限公司 | Assembled prefabricated cable duct |
| CN210041200U (en) * | 2019-07-30 | 2020-02-07 | 河南华民电力设计有限公司 | Cable pipeline plugging device |
| CN110474280A (en) * | 2019-08-22 | 2019-11-19 | 国网湖南省电力有限公司 | A kind of full load module pre-fabricated electric cables ditch |
-
2020
- 2020-08-06 CN CN202010781766.3A patent/CN112152179B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205385271U (en) * | 2016-03-17 | 2016-07-13 | 国网浙江省电力公司金华供电公司 | Prefabricate cable passage entirely |
| CN205921343U (en) * | 2016-08-01 | 2017-02-01 | 广州电力设计院 | Cable pit cell cube and cable pit |
| CN106253188A (en) * | 2016-08-22 | 2016-12-21 | 河北超能投资管理有限公司 | Assembly type cable slot and construction method thereof |
| CN106193115A (en) * | 2016-08-30 | 2016-12-07 | 中建科技（福州）有限公司 | A kind of concrete prefabricated groove |
| CN107516866A (en) * | 2017-08-30 | 2017-12-26 | 国家电网公司 | A kind of Prefabricated cable duct |
| 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 |
| CN210443992U (en) * | 2018-09-29 | 2020-05-01 | 冯嘉楷 | Novel cable trench |
| CN210182995U (en) * | 2019-09-03 | 2020-03-24 | 无锡锡东电力电气安装工程有限公司 | Prefabricated assembled electric power pipe |
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| CN112152179A (en) | 2020-12-29 |
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