CN111668797B - Assembled cable pit - Google Patents
Assembled cable pit Download PDFInfo
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- CN111668797B CN111668797B CN202010572985.0A CN202010572985A CN111668797B CN 111668797 B CN111668797 B CN 111668797B CN 202010572985 A CN202010572985 A CN 202010572985A CN 111668797 B CN111668797 B CN 111668797B
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- side wall
- bottom plate
- cover plate
- cable trench
- assembly
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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
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- Installation Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides an assembled cable pit, includes a plurality of monomer structures, the monomer structure includes bottom plate, side wall, at least one apron; the bottom plate is provided with a bottom plate limiting structure and is used for being spliced with the bottom plates of the adjacent monomer structures; the side wall is provided with a side wall limiting structure and is used for splicing with the side wall of the adjacent monomer structure; the bottom ends of the side walls are spliced with the bottom plate through the side wall mounting and positioning structures to form a groove body; the cover plate covers the upper part of the ditch body formed by the bottom plate and the side walls; the bottom plate, the side walls and the cover plate are all prefabricated components. Compare in on-the-spot concrete placement's construction method, the technical scheme of this application adopts prefabricated component to carry out the dry-type connection, need not the concrete maintenance, and the construction is convenient high-efficient, can save construction period by a wide margin, has improved the flexibility and the convenience that cable run laid, has good obstacle-avoiding ability and topography adaptability.
Description
Technical Field
The invention belongs to the technical field of electric power facilities, and particularly relates to an assembled cable trench.
Background
The cable trench is mainly used for laying a cable line with high-grade voltage, the high-grade voltage line begins to enter a central region of a city along with the increase of the urban power supply demand and is converted from aerial erection to underground laying, and the cable trench is widely used for laying cables in the city due to the advantages of simple civil engineering construction, low manufacturing cost, large space and the like.
At present, the cable trench is generally constructed by adopting site concrete pouring, then procedures such as punching and mounting of a cable support are completed, the defects of large construction operation surface, long construction period, serious site pollution and the like exist, particularly in the process of laying a municipal cable line, urban road plugging can be caused, the site pouring concrete pollutes the environment, the daily life of people is seriously influenced, and the cable trench does not meet the requirement of modern city development.
In order to solve the problems, the conventional prefabricated assembly type cable trench is an integral component, but the prefabricated component is generally an integral component and basically stays in the application of linear laying, the cable trench line needs a scheme of non-linear laying such as horizontal steering, lifting height, obstacle avoidance and the like for the actual line design and construction, at this time, only the traditional cast-in-place mode can be adopted, and the installation of a cable support still needs the traditional punching installation and the like; in addition, when patrolling and examining the line, the personnel often need open and shut cable trench cover and just can inspect the inside condition of cable pit, consuming time and wasting force, work efficiency is low, can't embody assembled cable pit's high efficiency of construction and convenience.
Disclosure of Invention
Based on this, the present invention aims to provide a fabricated cable trench to overcome the drawbacks of the prior art.
The invention discloses an assembled cable trench, which comprises a plurality of monomer structures, wherein each monomer structure comprises:
a bottom plate, a side wall and at least one cover plate,
the bottom plate is provided with a bottom plate limiting structure and is used for being spliced with the bottom plates of the adjacent monomer structures;
the side wall is provided with a side wall limiting structure and is used for splicing with the side wall of the adjacent monomer structure;
the bottom ends of the side walls are spliced with the bottom plate through the side wall mounting and positioning structures to form a groove body;
the cover plate covers the upper part of the ditch body formed by the bottom plate and the side walls;
the bottom plate, the side walls and the cover plate are all prefabricated components.
Preferably, the bottom plate limiting structure comprises a bottom plate first limiting structure and a bottom plate second limiting structure;
the first limiting structure of the bottom plate and the second limiting structure of the bottom plate are matched tenon-and-mortise structures.
Preferably, the side wall limiting structure comprises a first side wall limiting structure and a second side wall limiting structure;
the first limiting structure of the side wall and the second limiting structure of the side wall are matched tenon-and-mortise structures.
Preferably, the side wall mounting and positioning structure includes:
a convex strip arranged at the bottom end of the side wall,
a groove arranged in the longitudinal direction of the bottom plate;
the convex strips and the grooves are of matched tenon-and-mortise structures.
Preferably, in order to ensure the force transfer characteristic between the bottom plate and the side wall, the height of the outer side edge of the groove in the longitudinal direction of the bottom plate is higher than the height of the bottom plate at the inner side of the groove.
Preferably, in order to ensure the splicing stability between the bottom plate and the side wall, a plurality of bottom plate connecting holes are formed in the outer side edge of the groove, side wall connecting holes which are matched and communicated are formed in the side wall, and the bottom plate and the side wall are connected through the connecting pieces which penetrate through the bottom plate connecting holes and the side wall connecting holes.
Preferably, the inner surface of the side wall is provided with a frame groove for placing a cable support, and the cable support comprises a rotating shaft vertically fixed in the frame groove and a cable bracket capable of rotating along the rotating shaft;
the cable bracket is sleeved on the rotating shaft through a rotating block, and the rotating block is provided with a bracket first limiting structure;
a locking block is arranged on the rotating shaft, and a bracket second limiting structure is arranged on the locking block;
the first limiting structure of the bracket and the second limiting structure of the bracket are mutually meshed.
Preferably, the cover plate is provided with a transparent skylight for observing the internal condition of the cable trench.
Preferably, when the monolithic structure is used for cable level steering laying, the monolithic structure comprises:
the bottom plate assembly comprises a first bottom plate, a second bottom plate and a third bottom plate;
the side wall assembly comprises an outer corner side wall, an inner corner side wall and a linear side wall;
the cover plate component comprises a first cover plate, a second cover plate and a third cover plate,
the second bottom plate and the third bottom plate are respectively spliced on two adjacent sides of the first bottom plate through bottom plate limiting structures to form an inner angle, the inner angle side wall is spliced at the inner angle through a side wall mounting and positioning structure, the outer angle side wall is spliced at the outer angle of the first bottom plate through a side wall mounting and positioning structure, and the linear side wall is spliced on the rest sides of the bottom plate assembly through the side wall mounting and positioning structure;
the first cover plate and the second cover plate cover the upper part of the groove body formed by the inner corner side wall and the bottom plate component, and the third cover plate covers the upper part of the groove body formed by the outer corner side wall and the bottom plate component.
Preferably, when the monolithic structure is used for cable slope laying, the monolithic structure comprises:
the bottom plate, the side wall and the cover plate assembly;
the cover plate assembly comprises a first slope cover plate, a second slope cover plate and a horizontal cover plate;
the bottom ends of the side walls are spliced with the bottom plate through the side wall mounting and positioning structure to form a trench body, and a high-gradient section, a horizontal section and a low-gradient section are formed in the longitudinal direction of the trench body, so that the monomer structures at different heights can be smoothly spliced;
the first slope cover plate covers the upper part of the high slope section of the groove body, the second slope cover plate covers the upper part of the low slope section of the groove body, and the horizontal cover plate covers the upper part of the horizontal section of the groove body.
Preferably, when monomer structure is used for the cable slope to lay, the bottom plate surface of the horizontal segment ditch body forms a slope bottom plate ladder for the cable trench is patrolled and examined.
According to the technical scheme, the invention has the following beneficial effects:
according to the assembled cable trench, the monomer structures are spliced into the complete cable trench, each monomer structure comprises the bottom plate, the side wall and the cover plate, and compared with a construction mode of on-site concrete pouring, the technical scheme provided by the invention has the advantages that the prefabricated components are adopted for dry connection, no wet operation is carried out on the site, concrete maintenance is not needed, the construction is convenient and efficient, and the construction period can be greatly saved; the splicing interfaces of the prefabricated components of the assembled cable trench provided by the invention can be uniformly designed according to the actual laying line requirements, and the required monomer structures are selected for splicing, so that the design and construction flexibility of the cable trench can be improved, and the assembled cable trench has good obstacle avoidance capability and terrain adaptability; according to the technical scheme, when the cable line is laid, the cable line does not need to be poured in situ at a steering position, and the cable line is convenient and quick to hoist in site; the side wall of the cable trench is provided with the rotatable cable support, so that the procedures of drilling, bolt installation and the like are not needed, the whole assembly type cable trench can be put into use without secondary construction, and the installation convenience of the cable support and the construction efficiency of the cable trench are greatly improved; the transparent skylight is arranged on the cover plate, so that the interior of the cable trench can be inspected without opening and closing the cover plate of the cable trench, and the complexity and potential safety hazards in the process of opening and closing the cover plate of the cable trench are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a three-dimensional view of a splice between modular raceway sections of the present invention;
FIG. 2 is a three-dimensional view of the splice between the standard and auxiliary raceway sections of the present invention;
FIG. 3 is a three-dimensional view of the components of a modular raceway section of the present invention;
FIG. 4 is a schematic view of the splice between the bottom and side walls of a standard type raceway segment according to the present invention;
FIG. 5 is an assembled three-dimensional view of the components of the auxiliary trench segment of the present invention;
FIG. 6 is a schematic view of the splice between the bottom plate and the sidewall of the auxiliary type cable trench segment according to the present invention;
FIG. 7 is a three-dimensional view of the combination of the horizontal turning raceway section and the standard raceway section of the present invention;
FIG. 8 is a schematic illustration of the splice between the horizontal turning raceway section and the standard type raceway section of the present invention;
FIG. 9 is an assembled three-dimensional view of the components of the horizontal diverting raceway section of the present invention;
FIG. 10 is a schematic illustration of the splice between the floor and sidewalls of the horizontal turning raceway segments of the present invention;
FIG. 11 is a three-dimensional view of the combination of a grade trench segment and a standard type trench segment according to the present invention;
FIG. 12 is a schematic illustration of a splice between a grade trench segment and a standard type trench segment in accordance with the present invention;
FIG. 13 is a three-dimensional view of the components of the sloped trench segment of the present invention in combination;
FIG. 14 is a schematic view of the splice between the bottom and side walls of a sloped trench segment according to the present invention;
FIG. 15 is a perspective view of the components of the pre-buried bracket of the present invention;
FIG. 16 is a schematic view of the assembly of the transparent skylight in the vision cover of the present invention;
fig. 17 is a use scenario 1 in which cable trench segments are collocated to realize flexible laying of cable trench lines in the present invention;
fig. 18 is a use scenario 2 of the present invention in which cable trench segments are collocated to achieve flexible laying of cable trench lines;
fig. 19 is a use scenario 3 of the present invention in which cable trench segments are collocated to achieve flexible laying of cable trench lines;
fig. 20 is a use scenario 4 of the present invention in which cable trench segments are collocated to achieve flexible laying of cable trench lines;
in the figure: 1-standard type cable trench segment; 11-standard type segment floor; 12-standard type segment side wall; 13-a first limit structure of the bottom plate; 14-a second limit structure of the bottom plate; 15-a first side wall limiting structure; 16-a side wall second limiting structure; 17-convex strips; 18-a groove; 2-auxiliary type cable trench segment; 21-auxiliary type segment floor; 22-auxiliary type segment side wall; 3-horizontal steering cable trench segments; 31-horizontal turning segment floor; 32-horizontal turning segment outside corner block walls; 33-horizontal turning section inside corner block wall; 34 — a first vision cover plate of the horizontal steering segment; 35-a horizontal turning section second visual cover plate; 4-gradient cable trench segment; 41-gradient segment floor; 42-slope segment sidewall; 43-slope segment first cover plate; 44-slope section second cover plate; 45-slope segment floor steps; 5-connecting holes of the bottom plate; 51-side wall connection hole; 6-connecting rods for side walls of the bottom plate; 7, pre-embedding a bracket; 71-a rack slot box; 72-a rotating shaft; 73-a turning block; 74-a locking block; 75-a cable tray; 76-a first limit structure of the bracket; 77-a second limit structure of the bracket; 8-standard type segment visible cover plate; 81-transparent skylight; 82, a protective frame; 83-transparent plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 20, the assembled cable duct provided by the present invention will be described in detail with reference to the accompanying drawings.
The embodiment provides an assembled cable pit, comprises a plurality of monomer structure, and every monomer structure all includes bottom plate, curb plate and at least one apron, bottom plate, curb plate and apron are prefabricated component.
The assembled cable pit that this embodiment provided includes:
the cable trench comprises a standard type cable trench segment 1 and an auxiliary type cable trench segment 2 for cable linear laying, a horizontal steering cable trench segment 3 for cable steering laying and a gradient cable trench segment 4 for cable elevation difference laying;
the standard type cable trench segment 1 comprises a standard type segment bottom plate 11 at the bottom, standard type segment side walls 12 parallel to the cable laying direction and two sides, and a plurality of standard type segment visual cover plates 8 covering the trench body formed by the standard type segment bottom plate 11 and the standard type segment side walls 12, wherein the standard type segment side walls 12 are spliced on the standard type segment bottom plate 11 through engagement of convex strips 17 and grooves 18;
the auxiliary type cable trench segment 2 comprises an auxiliary type segment bottom plate 21 at the bottom, auxiliary type segment side walls 22 are spliced on two sides of the auxiliary type segment bottom plate 21, a standard type segment visible cover plate 8 is covered above the auxiliary type segment side walls 22, and the auxiliary type segment side walls 22 and the standard type segment visible cover plate 8 are consistent in length;
the horizontal turning cable trench segment 3 comprises a bottom plate assembly, a side wall assembly and a cover plate assembly, wherein the bottom plate assembly comprises a square horizontal turning segment bottom plate 31 and two auxiliary type segment bottom plates 21 spliced on two adjacent side edges of the bottom plate 31, so that an inner angle side and an outer angle side are formed, the horizontal turning segment outer angle side wall 32 is spliced on the outer angle side, and the horizontal turning segment inner angle side wall 33 is spliced on the inner angle side; the horizontal steering segment cover plates include two horizontal steering segment first visual cover plates 34 and one horizontal steering segment second visual cover plate 35; the first visual cover plate 34 of the horizontal turning section is pentagonal and covers the upper part of a groove body formed by the inner corner side and the bottom plate of the horizontal turning section, the second visual cover plate 35 of the horizontal turning section is triangular and covers the upper part of the groove body formed by the outer corner side wall 32 of the horizontal turning section and the bottom plate of the horizontal turning section, and the two first visual cover plates 34 of the horizontal turning section and the second visual cover plate 35 of the horizontal turning section are in pairwise contact to form a seamless block.
The slope cable trench segment 4 comprises a slope segment base plate 41, a slope segment side wall 42, a slope segment first cover plate 43, a slope segment second cover plate 44 and a standard type segment visual cover plate 8, wherein the slope segment base plate 41 comprises horizontal sections at two ends and a slope segment with a height difference between the two ends, the slope segment side wall 42 also comprises a horizontal section and a slope segment corresponding to the slope segment base plate 41, and the slope segment first cover plate 43 covers the high-slope segment of the slope cable trench segment 4 and is convex; the slope section second cover plate 44 covers the low-slope section of the slope cable trench section 4, is concave, and a plurality of standard section visual cover plates 8 cover the trench body of the horizontal section formed by the slope section side wall 42 and the slope section bottom plate 41.
As shown in fig. 1, the cable trench is formed by splicing 2 standard type cable trench segments 1 and used for long-distance linear laying of cable trench lines, as shown in fig. 2, the cable trench is formed by splicing 1 standard type cable trench segment 1 and 1 auxiliary type cable trench segment 2, and the auxiliary type cable trench segment 2 is used for laying of the linear cable trench lines of the standard type cable trench segment 1 which is inconvenient to lay and long in longitudinal length and used for assisting other cable trench segments to finish laying of lines.
As shown in fig. 3 to 6, in the linear laying of the cable trench line, the standard type segment bottom plate 11 is firstly placed, the standard type segment bottom plate 11 is put down from top to bottom by hoisting, and the bottom plate first limiting structure 13 at the front end of the standard type segment bottom plate is spliced with the bottom plate second limiting structure 14 at the rear end of the previous standard type segment bottom plate 11; as shown in fig. 4, the first bottom plate limiting structure 13 and the second bottom plate limiting structure 14 are of matched male tooth and groove mortise and tenon structures.
Then, the standard type segment side walls 12 on the two sides are respectively placed on the standard type segment bottom plates 11, the standard type segment side walls 12 are lifted and put down from top to bottom, the first side wall limiting structure 15 at the front end of each standard type segment side wall is spliced with the second side wall limiting structure 16 at the rear end of the previous standard type segment side wall 12, and as shown in fig. 4, the first side wall limiting structure 15 and the second side wall limiting structure 16 are in matched tenon-and-mortise structures. At this time, the convex strips 17 on the lower bottom surface of the side wall 12 of the standard type section are engaged with the grooves 18 on the upper surface of the bottom plate 11 of the standard type section, and in order to ensure the force transmission characteristic between the bottom plate and the side wall, the height of the outer side edges of the grooves 18 in the longitudinal direction of the bottom plate is higher than the height of the bottom plate on the inner side of the grooves.
And then inserting the bottom plate side wall connecting rod 6 into the bottom plate connecting hole 5 from one end of the side wall connecting hole 51, fixing the standard type section bottom plate 11 and the standard type section side wall 12, and finally sequentially placing the standard type section visual cover plate 8 above the groove body formed by the standard type section side wall 12 and the standard type section bottom plate 11.
Similarly, the splicing among the auxiliary type segment bottom plate 21, the auxiliary type segment side wall 22 and the standard type segment visual cover plate 8 of the auxiliary type cable trench segment 2 can be obtained, and the details are not repeated herein.
As shown in fig. 7 to 8, the horizontal turning laying of the cable trench line is performed by splicing 2 standard type cable trench segments 1 and 1 horizontal turning cable trench segment 3, that is, the turning of the standard type cable trench segment 1 is realized by the horizontal turning cable trench segment 3. As shown in fig. 9 to 10, in the horizontal turning laying of the cable trench line, firstly, an auxiliary type segment bottom plate 21 is placed by hoisting, then, the bottom plate 31 is put down by hoisting from top to bottom, the second bottom plate limiting structure 14 of the auxiliary type segment bottom plate is spliced with the first bottom plate limiting structure 13 of the auxiliary type segment bottom plate 21 which is just placed, then, the auxiliary type segment bottom plate 21 on the other side of the square bottom plate 31 is put down by hoisting from top to bottom, and the second bottom plate limiting structure 14 of the auxiliary type segment bottom plate is spliced with the first bottom plate limiting structure 13 of the bottom plate 31, so that the bottom plate is completely spliced; then, the outer angle side wall 32 of the horizontal turning section and the inner angle side wall 33 of the horizontal turning section are placed by hoisting, and then the rest auxiliary section side walls 22 are placed by hoisting to completely form the side walls of the horizontal turning cable trench section 3.
Similarly, splicing each side wall by using a first side wall limiting structure 15 and a second side wall limiting structure 16 on each side wall, wherein a convex strip 17 on each side wall is occluded with a groove 18 on the bottom plate, and then inserting a bottom plate side wall connecting rod 6 into one end of a side wall connecting hole 51 to fix the bottom and the side walls; finally, a horizontal steering segment first visual cover 34 and a horizontal steering segment second visual cover 35 are placed to enclose the cable trench structure.
As shown in fig. 11 to 12, the device is formed by splicing 2 standard type cable trench segments 1 and 1 gradient cable trench segment 4 and is used for climbing or descending a cable trench line with a height difference in the vertical direction, that is, climbing or descending of a cable in the vertical height direction is realized through the gradient cable trench segment 4.
As shown in fig. 13 to 14, firstly, the slope section bottom plate 41 is placed, the slope section bottom plate 41 is lowered from top to bottom by hoisting, and the first bottom plate limiting structure 13 is spliced with the second bottom plate limiting structure 14 of the adjacent standard section bottom plate 11; then, the slope section side walls 42 on the two sides are respectively placed on the slope section bottom plate 41, the slope section side walls 42 are lifted down from top to bottom, the first side wall limiting structures 15 of the slope section side walls are spliced with the second side wall limiting structures 16 at the rear ends of the adjacent standard section side walls 12, the convex strips 17 at the bottom ends of the slope section side walls 42 are meshed with the grooves 18 in the upper surface of the slope section bottom plate 41, and then the bottom plate side wall connecting rods 6 are inserted from one ends of the side wall connecting holes 51 to fix the slope section bottom plate 41 and the slope section side walls 42; finally, the first cover plate 43 of the slope section of the high-slope section, the visual cover plate 8 of the standard section of the horizontal section and the second cover plate 44 of the slope section of the low-slope section are sequentially placed to complete the sealing of the cable trench structure.
As shown in fig. 15, in order to further implement the assembly construction of the cable trench, avoid the trouble of the conventional cable bracket installation, and ensure that the assembled cable trench can be put into use without performing secondary construction, the inner surfaces of the side walls in this embodiment are provided with a plurality of pre-embedded brackets 7, each pre-embedded bracket 7 includes a bracket slot box 71, a rotating bracket structure is arranged in each bracket slot box 71, the rotating bracket structure includes a rotating shaft 72 and a cable bracket 75, the rotating shaft 72 is vertically fixed in the bracket slot box 71, the rotating shaft 72 is fixed with a locking block 74, the locking block 74 is provided with a bracket second limiting structure 77, one end of the cable bracket 75 is provided with a rotating block 73, the rotating block 73 is sleeved on the rotating shaft 72, the rotating block 73 is arranged above the locking block 74, the rotating block 73 is provided with a bracket first limiting structure 76 matched with the bracket second limiting structure 77 of the locking block 74, through the mutual interlock of adjustment bracket first limit structure 76 and bracket second limit structure 77, can realize the gear adjustment of cable tray 75, rotate cable tray 75 to the position of perpendicular to support groove box 71 through rotating turning block 73 and be used for cable laying, rotate turning block 73 when need not use and accomodate in support groove box 71 cable tray 75 to the direction that is parallel to support groove box 71.
In order to improve the convenience of line inspection and operation and maintenance, in this embodiment, a transparent skylight 81 is further disposed on the cover plate, as shown in fig. 16, the transparent skylight 81 is located in the middle of the cover plate, and includes a protection frame 82 as an outer frame and 2 transparent plates 83 respectively mounted at the top and the bottom of the protection frame 82, so that the condition inside the cable trench can be observed outside without opening and closing the cover plate, and the structural reliability and safety of the transparent skylight 81 are ensured while the internal observable function is realized.
As shown in fig. 17 to 20, the standard type cable trench segment 1 and the auxiliary type cable trench segment 2 for cable linear laying provided in this embodiment may be selected, the horizontal steering cable trench segment 3 for cable steering laying and the gradient cable trench segment 4 for cable laying with a height difference are spliced with each other or continuously spliced with the same segment to meet the requirement of cable trench line laying, so that the cable trench line can be steered or turned around according to the requirement of design, climbing or descending when ascending or descending the line due to the limitation of the terrain, obstacle avoidance in the horizontal and vertical directions of the line due to the influence of the obstacle ahead is performed, and the efficiency and flexibility of cable trench line laying from design to construction are greatly improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The assembled cable trench is characterized by comprising a plurality of single structures, wherein the single structures are laid on a straight line section, a corner section and a slope section of the cable trench;
the single structure comprises a bottom plate assembly, a side wall assembly and a cover plate assembly;
the bottom plate assembly is provided with a bottom plate limiting structure and is used for being spliced with the bottom plate assembly of the adjacent monomer structure;
the side wall assembly is provided with a side wall limiting structure and is used for being spliced with the side wall assembly of the adjacent monomer structure;
the bottom end of the side wall component is spliced with the bottom plate component through a side wall mounting and positioning structure to form a groove body;
the cover plate component covers the upper part of a ditch body formed by the bottom plate component and the side wall component;
in the monolithic structure laid by the corner section, the bottom plate assembly comprises a first bottom plate, a second bottom plate and a third bottom plate; the side wall assembly comprises an outer corner side wall, an inner corner side wall and a linear side wall; the cover plate component comprises a first cover plate, a second cover plate and a third cover plate,
the second bottom plate and the third bottom plate are respectively spliced on two adjacent sides of the first bottom plate through bottom plate limiting structures to form an inner angle, the inner angle side wall is spliced at the inner angle through a side wall mounting and positioning structure, the outer angle side wall is spliced at the outer angle of the first bottom plate through a side wall mounting and positioning structure, and the linear side wall is spliced on the rest sides of the bottom plate assembly through the side wall mounting and positioning structure;
the first cover plate and the second cover plate cover the upper part of a groove body formed by the inner corner side wall and the bottom plate component, and the third cover plate covers the upper part of a groove body formed by the outer corner side wall and the bottom plate component;
in the single structure laid by the slope sections, the cover plate assembly comprises a first slope cover plate, a second slope cover plate and a horizontal cover plate;
the bottom end of the side wall assembly is spliced with the bottom plate assembly through the side wall mounting and positioning structure to form a trench body, and a high-gradient section, a horizontal section and a low-gradient section are formed in the longitudinal direction of the trench body, so that the monomer structures at different heights can be smoothly spliced;
the first slope cover plate covers the upper part of the high slope section of the groove body, the second slope cover plate covers the upper part of the low slope section of the groove body, and the horizontal cover plate covers the upper part of the horizontal section of the groove body;
the plurality of monomer structures are prefabricated parts, and the monomer structures are connected end to complete laying of the cable trench.
2. The assembled cable trench of claim 1, wherein the side wall limiting structures comprise a side wall first limiting structure and a side wall second limiting structure;
the first limiting structure of the side wall and the second limiting structure of the side wall are in tenon-and-mortise matched structures.
3. The fabricated cable trench of claim 1, wherein the side wall mounting and positioning structure comprises:
a convex strip arranged at the bottom end of the side wall component,
a groove disposed in a longitudinal direction of the floor assembly;
the convex strips and the grooves are of matched tenon-and-mortise structures.
4. The fabricated cable trench of claim 3, wherein the outer side of the recess has a height greater than a height of the floor assembly inside the recess.
5. The assembled cable trench of claim 3, wherein the groove has a plurality of bottom plate connection holes on the outer side, the side wall has side wall connection holes matching with each other, and the bottom plate and the side wall are connected by a connecting member passing through the bottom plate connection holes and the side wall connection holes.
6. The assembled cable trench of claim 1, wherein the inner surface of the side wall assembly is provided with a frame groove for accommodating a cable support, and the cable support comprises a rotating shaft vertically fixed in the frame groove and a cable bracket capable of rotating along the rotating shaft;
the cable bracket is sleeved on the rotating shaft through a rotating block, and the rotating block is provided with a bracket first limiting structure;
a locking block is arranged on the rotating shaft, and a bracket second limiting structure is arranged on the locking block;
the first limiting structure of the bracket and the second limiting structure of the bracket are mutually meshed.
7. The fabricated cable trench of claim 1, wherein a transparent skylight is provided on the cover assembly.
8. The fabricated cable trench of claim 1, wherein the floor assembly surface is provided with sloped segmented steps in a monolithic structure with the sloped segments laid down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572985.0A CN111668797B (en) | 2020-06-22 | 2020-06-22 | Assembled cable pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572985.0A CN111668797B (en) | 2020-06-22 | 2020-06-22 | Assembled cable pit |
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| Publication Number | Publication Date |
|---|---|
| CN111668797A CN111668797A (en) | 2020-09-15 |
| CN111668797B true CN111668797B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010572985.0A Active CN111668797B (en) | 2020-06-22 | 2020-06-22 | Assembled cable pit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803289B (en) * | 2020-12-30 | 2022-11-15 | 国网上海市电力公司 | Wire arranging method for box-type substation |
| CN114530797B (en) * | 2022-02-16 | 2024-01-30 | 北京市海实电气安装工程有限公司 | Construction method of cable |
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