CN111181119A - Cable trench support and cable trench applying same - Google Patents
Cable trench support and cable trench applying same Download PDFInfo
- Publication number
- CN111181119A CN111181119A CN202010072219.8A CN202010072219A CN111181119A CN 111181119 A CN111181119 A CN 111181119A CN 202010072219 A CN202010072219 A CN 202010072219A CN 111181119 A CN111181119 A CN 111181119A
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- base
- cable trench
- cable
- arc
- limiting plate
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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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- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a cable trench support and a cable trench applying the same, belongs to the field of transformer substations, and aims to solve the problem that the existing cable trench support is easy to be misplaced, stacked and slipped. The cable trench support comprises a base, an end limiting plate and a plurality of movable arc limiting plates; the base is of a long strip plate-shaped structure, an end limiting plate is fixedly arranged on the upper surface of the end of the base, an inverted T-shaped groove is formed in the upper surface of the base along the length x direction, and the tail of the base is provided with an inward-moving notch; the movable arc limiting plate comprises an arc baffle and a sliding base, the bottom of the arc baffle is fixed on the sliding base, and clamping notches are respectively arranged on two sides of the bottom of the arc baffle; the sliding base moves into the inverted T-shaped groove from the shifted-in notch of the tail of the base, and drives the arc-shaped baffle to slide along the length x direction of the base. The invention can prevent the cables from slipping off and being stacked and can arrange the cables as much as possible.
Description
Technical Field
The invention belongs to the field of transformer substations and relates to a support structure of a cable trench.
Background
The transformer substation is used as a core link of an electric power system and is responsible for high-low voltage conversion and power supply tasks in the area. In a substation, cables are usually intensively laid in a cable trench. The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, and is also an enclosure structure for laying the cable facilities, and the cable trench of the power transformation engineering is commonly used by a cable tunnel, an overground cable trench and an underground cable trench.
Because the number of secondary cables in the cable trench is large and the application is different, the cable trench can be generally divided into an alternating current secondary cable, a direct current secondary cable and the like according to different voltage categories, and can be divided into a control cable, a signal cable and the like according to different functions. The secondary cable quantity that lays in a cable pit often reaches up to hundreds of, arranges neatly in the cable pit in order to make the numerous secondary cable of these quantities, and the mutual interference of minimize during operation also is for improving cable pit space utilization ratio simultaneously, makes things convenient for the later stage to increase and decrease the cable, has all installed multilayer cable support in the present cable pit, can be with the cable that lays in the ditch door to door classification type tie on cable support.
The cable trench support is a support body which is arranged in a cable trench and used for supporting cables, the common cable trench support is of a flat structure shown in fig. 8, the flat structure shown in fig. 8 is convenient to manufacture, but the cables need to be bundled by the cable trench support of the structure, otherwise, the cables are easy to be staggered to each other to cause stacking, and the cables are easy to slide off the support. The cable bundling time accounts for about 1/3 of the total cable laying time, the working efficiency is seriously influenced, the labor intensity of workers is increased, in addition, the later maintenance time and cost are increased due to cable sliding, the cable sliding problem can be solved by adopting the structure shown in FIG. 9, but the cable stacking problem cannot be solved. The structure shown in fig. 10 is an improvement of the previous structure, a flat support is changed into a structure with a plurality of grooves, cables fall into the grooves, the structure limits the cable positions to a certain extent to enable the cables not to be prone to dislocation, the grooves with fixed sizes limit the arrangement of cables with different diameters, unnecessary waste caused in the limited space of a cable trench is avoided, in addition, the grooves cannot completely limit the cable positions to enable the cables not to be dislocated and stacked, the damaged cables can be drawn out when the cables are replaced, the cables can slip from the grooves to change positions under the action of tensile force in the process, and meanwhile the positions of other cables can be influenced to enable the cables to be dislocated and stacked.
Disclosure of Invention
The invention aims to solve the problems that an existing cable trench support is prone to dislocation, stacking and slipping, and provides a cable trench support and a cable trench applying the same.
In the first scheme:
the cable trench support comprises a base 101, an end limiting plate 102 and a plurality of movable arc limiting plates 103;
the base 101 is of a long strip-shaped plate structure, an end limiting plate 102 is fixedly arranged on the upper surface of the end of the base 101, an inverted T-shaped groove 104 is formed in the upper surface of the base 101 along the length x direction, and the tail of the base 101 is provided with an inward moving notch 105 of the inverted T-shaped groove 104;
the movable arc limiting plate 103 comprises an arc baffle 103-1 and a sliding base 103-2, the bottom of the arc baffle 103-1 is fixed on the sliding base 103-2, and two sides of the bottom of the arc baffle 103-1 are respectively provided with a clamping notch 103-3;
the sliding base 103-2 moves into the inverted T-shaped groove 104 from the inverted T-shaped groove 104 in the moving-in notch 105 at the tail part of the base 101, and drives the arc-shaped baffle 103-1 to slide along the length x direction of the base 101.
Preferably, the y-direction length of the slide foot 103-2 is greater than the y-direction length of the arced shield 103-1.
Preferably, the moving-in notch 105 is disposed at one side of the rear end of the base 101, and the x-direction length of the moving-in notch 105 is greater than the x-direction length of the sliding base 103-2.
Preferably, the end limiting plate 102 and the movable arc limiting plate 103 are both arc structures with inward-bent ends, and the arcs of the two arc structures are the same.
Preferably, the end limiting plate 102 is in a single piece with the base 101.
The second scheme is as follows:
the cable trench comprises side plates 2, a bottom plate 3 and a plurality of cable trench supports 1, wherein the two side plates 2 and the bottom plate 3 form an H-shaped structure, and the distance between the bottom plate 3 and the bottom ends of the side plates 2 is 100-200 mm; the upper surface of the bottom plate 3 close to the side plates 2 is respectively provided with a groove 4, the grooves 4 are arranged along the direction of the cable trench, and drainage through holes 5 are uniformly distributed at the bottom of the trench along the direction of the cable trench;
the cable pit support 1 is the first scheme the cable pit support.
Preferably, the groove 4 is a square groove or a semicircular groove.
The invention has the beneficial effects that: the cable duct support structure used by the invention is flexible in arrangement, the number of the limiting plates of the cable support is flexibly configured according to the difference of the number of cables and the diameter of the cables, the arc shape of the limiting plate is well attached to the cables, the cables can be arranged as many as possible while the cables are prevented from slipping and stacking, and the limited support space is not wasted.
Drawings
FIG. 1 is a schematic view of the construction of a cable trench according to the present invention;
FIG. 2 is a top plan view of a cable trench floor;
fig. 3 is a schematic perspective view of a cable trench support;
FIG. 4 is a schematic structural diagram of a movable arc limiting plate;
fig. 5 is a cross-sectional view of a cable trench support;
fig. 6 and 7 are two embodiments of cabling of the cable trench support;
fig. 8 to 10 are schematic structural views of a cable trench bracket according to the related art.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
The first embodiment is as follows: the present embodiment will be described with reference to fig. 1 and 3 to 10, in which the cable trench support 1 is an essential component in a cable trench, the cable trench support shown in fig. 8 is easy to fall off due to no baffle at the end, and the cable trench support shown in fig. 9 has a baffle at the end, but the problem that the cables are easily stacked due to the flattened design is that the cables are misaligned with each other, and this stacking phenomenon is to be avoided as much as possible by those skilled in the art in the cable laying process. The cable trench support shown in fig. 10 is additionally provided with a plurality of grooves, so that the problem of cable dislocation can be solved to a certain extent, but because the sizes of the grooves are solidified, the number of cables laid by the cable trench support is limited by the number of the grooves, and if the diameter of the cables is obviously smaller than the size of the grooves, the phenomenon of great waste of limited space of the support can occur.
The cable trench support 1 of the embodiment comprises a base 101, an end limiting plate 102 and a plurality of movable arc limiting plates 103;
the base 101 is of a long strip-shaped plate structure, an end limiting plate 102 is fixedly arranged on the upper surface of the end of the base 101, an inverted T-shaped groove 104 is formed in the upper surface of the base 101 along the length x direction, and the tail of the base 101 is provided with an inward moving notch 105 of the inverted T-shaped groove 104;
the movable arc limiting plate 103 comprises an arc baffle 103-1 and a sliding base 103-2, the bottom of the arc baffle 103-1 is fixed on the sliding base 103-2, and two sides of the bottom of the arc baffle 103-1 are respectively provided with a clamping notch 103-3;
the sliding base 103-2 moves into the inverted T-shaped groove 104 from the inverted T-shaped groove 104 in the moving-in notch 105 at the tail part of the base 101, and drives the arc-shaped baffle 103-1 to slide along the length x direction of the base 101.
The y-direction length of the slide foot 103-2 is greater than the y-direction length of the arced shield 103-1.
The moving-in notch 105 is disposed at one side of the tail end of the base 101, and the x-direction length of the moving-in notch 105 is greater than the x-direction length of the sliding base 103-2.
The end limiting plate 102 is integral with the base 101. Only one of the limiting plates of the cable trench support 1 is solidified, the rest limiting plates are movable, the solidified baffle plates are arranged at the end part of the base 101, the structural strength of the integrated part is large enough, and the cable is prevented from falling off from the support.
The end limiting plate 102 and the movable arc limiting plate 103 are both arc structures with inward bending ends, and the radians of the two arc structures are the same. See in particular fig. 3 and 4.
The cable diameter size is different according to its model (voltage class), the problem in the extravagant space of different diameter cable laying of solution that this embodiment's activity arc limiting plate 103 can be fine, activity arc limiting plate 103 is along the adaptable different diameter cable of x to sliding, see fig. 6 and fig. 7 for two different diameter cable laying embodiments, fig. 6 lays eight thin cables, adopt 7 activity arc limiting plate 103, fig. 7 lays seven thick cables, adopt 6 activity arc limiting plate 103, only need adjust the quantity of activity arc limiting plate 103 and along x to sliding make adjacent cable be close to as far as when two types of different diameter cable laying, do not waste the support space.
In the present embodiment, the x-direction thickness of the movable arc-shaped position-limiting plate 103 is 1mm to 2mm, and is thin, and does not occupy the limited space of the stand as much as possible, but the x-direction thickness of the movable arc-shaped position-limiting plate 103 is significantly thick in the drawing in order to highlight the technical features described.
The movable arc limiting plate 103 is convenient to move in and out, slides in from the moving-in notch 105 at the tail of the base 101 along the y direction, and slides in the inverted T-shaped groove 104 arranged in the base 101 along the x direction after the sliding base 103-2 slides in the moving-in notch 105 along the y direction, so that the position of the movable arc limiting plate 103 is changed according to the diameter of the cable.
Two sides of the bottom of the arc-shaped baffle plate 103-1 are respectively provided with a clamping notch 103-3, and the two clamping notches 103-3 are matched with the upper plate of the base 101 and used for limiting the vertical position of the movable arc-shaped limiting plate 103.
The second embodiment is as follows: the following describes the present embodiment with reference to fig. 1 and fig. 2, the cable trench of the present embodiment includes a side plate 2, a bottom plate 3 and a plurality of cable trench supports 1, two side plates 2 and the bottom plate 3 form an H-shaped structure, and the distance from the bottom end of the side plate 2 to the bottom end of the bottom plate 3 is 100mm to 200 mm; the upper surface of the bottom plate 3 close to the side plates 2 is respectively provided with a groove 4, the grooves 4 are arranged along the direction of the cable trench, and drainage through holes 5 are uniformly distributed at the bottom of the trench along the direction of the cable trench;
the cable trench support 1 is the cable trench support of claims 1 to 5.
The groove 4 is a square groove or a semicircular groove. The half-slot embodiment is shown in figure 1.
In the practical application process, the rainwater gets into the cable pit is unavoidable phenomenon, therefore, prior art has proposed a lot of solutions to this technical problem, some schemes add the drainage blanket space in cable pit bottom plate below, drainage blanket space and cable pit top space are side by side, the ponding in top space at first gets into the drainage blanket space, use the drain pump to clear up ponding after ponding accumulation to certain degree, the drawback of this kind of scheme lies in drainage blanket space later stage and can't maintain, the drainage blanket space is blockked by the cable pit, any problem can't carry out the later maintenance in the drainage blanket space, the rubbish that can't in time clear up in the drainage blanket space blocks up the drain pump if drainage blanket space.
The solution presented by this embodiment is to reserve a space below the floor 3, into which the accumulated water in the cable trench enters through the drainage through-holes 5, to be directly absorbed by the ground. Need not to add the drainage blanket structure, simplify the maintenance degree of difficulty of cable pit. When cable pit ponding was many in this embodiment, the drain pump can carry out the drainage operation to ponding in the recess 4, and unnecessary ponding directly gets into the ground, and the space that bottom plate 3 and ground surround need not the later stage clearance, can not influence the security of other equipment yet.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The cable trench support is characterized by comprising a base (101), an end limiting plate (102) and a plurality of movable arc limiting plates (103);
the base (101) is of a long strip plate-shaped structure, an end limiting plate (102) is fixedly arranged on the upper surface of the end of the base (101), an inverted T-shaped groove (104) is formed in the upper surface of the base (101) along the length x direction, and the tail of the base (101) of the inverted T-shaped groove (104) is provided with a moving-in notch (105);
the movable arc limiting plate (103) comprises an arc baffle (103-1) and a sliding base (103-2), the bottom of the arc baffle (103-1) is fixed on the sliding base (103-2), and clamping notches (103-3) are respectively arranged on two sides of the bottom of the arc baffle (103-1);
the sliding base (103-2) moves into the inverted T-shaped groove (104) from the moving-in notch (105) at the tail part of the base (101) of the inverted T-shaped groove (104), and drives the arc-shaped baffle (103-1) to slide along the length x direction of the base (101).
2. The cable trench support of claim 1, wherein a y-direction length of the slide base (103-2) is greater than a y-direction length of the arced shield (103-1).
3. The cable trench support according to claim 1, wherein the insertion notch (105) is provided on a side of the rear end of the base (101), and an x-direction length of the insertion notch (105) is greater than an x-direction length of the slide base (103-2).
4. The cable trench support according to claim 1, wherein the end limiting plate (102) and the movable arc limiting plate (103) are both arc structures with inward-bent ends, and the arcs of the two arc structures are the same.
5. Cable trench support according to claim 1, wherein the end stop plate (102) is in one piece with the base (101).
6. The cable trench is characterized by comprising side plates (2), a bottom plate (3) and a plurality of cable trench supports (1), wherein the two side plates (2) and the bottom plate (3) form an H-shaped structure, and the distance from the bottom plate (3) to the bottom ends of the side plates (2) is 100-200 mm; the upper surface of the bottom plate (3) close to the side plates (2) is respectively provided with a groove (4), the grooves (4) are arranged along the direction of the cable trench, and drainage through holes (5) are uniformly distributed at the bottom of the trench along the direction of the cable trench;
the cable trench support (1) is according to claims 1 to 5.
7. Cable trench according to claim 6, characterized in that the groove (4) is a square groove or a semicircular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072219.8A CN111181119A (en) | 2020-01-21 | 2020-01-21 | Cable trench support and cable trench applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072219.8A CN111181119A (en) | 2020-01-21 | 2020-01-21 | Cable trench support and cable trench applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111181119A true CN111181119A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010072219.8A Pending CN111181119A (en) | 2020-01-21 | 2020-01-21 | Cable trench support and cable trench applying same |
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| Country | Link |
|---|---|
| CN (1) | CN111181119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186680A (en) * | 2020-08-25 | 2021-01-05 | 杭州水电建筑集团有限公司 | Electric power tunnel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547385A (en) * | 1968-05-02 | 1970-12-15 | Robert D Kindorf | Structual form for pipe clamp support |
| CN207234362U (en) * | 2017-09-28 | 2018-04-13 | 广东东安电力工程有限公司 | Cable duct |
| CN207687484U (en) * | 2017-12-12 | 2018-08-03 | 成都市市政工程设计研究院 | A kind of pipe gallery interior conduit holder |
| CN209088440U (en) * | 2018-12-19 | 2019-07-09 | 合肥荣尚电子电器有限责任公司 | A kind of full-automatic car washer Spliced type wire harness apparatus |
| CN209267122U (en) * | 2019-01-18 | 2019-08-16 | 洛阳华兴电力工程设计有限公司 | A kind of free assembled cable bearer |
-
2020
- 2020-01-21 CN CN202010072219.8A patent/CN111181119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547385A (en) * | 1968-05-02 | 1970-12-15 | Robert D Kindorf | Structual form for pipe clamp support |
| CN207234362U (en) * | 2017-09-28 | 2018-04-13 | 广东东安电力工程有限公司 | Cable duct |
| CN207687484U (en) * | 2017-12-12 | 2018-08-03 | 成都市市政工程设计研究院 | A kind of pipe gallery interior conduit holder |
| CN209088440U (en) * | 2018-12-19 | 2019-07-09 | 合肥荣尚电子电器有限责任公司 | A kind of full-automatic car washer Spliced type wire harness apparatus |
| CN209267122U (en) * | 2019-01-18 | 2019-08-16 | 洛阳华兴电力工程设计有限公司 | A kind of free assembled cable bearer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186680A (en) * | 2020-08-25 | 2021-01-05 | 杭州水电建筑集团有限公司 | Electric power tunnel |
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Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |