CN211183218U - Cable trough box - Google Patents
Cable trough box Download PDFInfo
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- CN211183218U CN211183218U CN201922045107.9U CN201922045107U CN211183218U CN 211183218 U CN211183218 U CN 211183218U CN 201922045107 U CN201922045107 U CN 201922045107U CN 211183218 U CN211183218 U CN 211183218U
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- cable trough
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Abstract
The utility model relates to the technical field of electrical equipment, in particular to a cable trough box, which comprises a trough body, wherein the trough body comprises an anti-corrosion layer, a heat-insulating layer and a protective layer which are stacked from outside to inside, the anti-corrosion layer is detachably connected with the heat-insulating layer, and the heat-insulating layer is detachably connected with the protective layer; and the anticorrosive layer is provided with a plurality of connecting pieces for connecting with other cable groove boxes. The utility model discloses simple structure, convenient to use can keep apart alternating current power cable and other cables for can not reach other cables when alternating current power cable breaks down, ensure power equipment safe operation.
Description
Technical Field
The utility model relates to an electrical equipment technical field, more specifically relates to a cable tray.
Background
At present, most transformer substations are laid by alternating current power cables, control cables and communication cables in the same ditch, once the alternating current power cables are short-circuited, fire disasters can be caused and can affect the control cables and the communication cables in the same ditch, misoperation of electrical equipment of the transformer substations is caused, large-area power failure is caused, and serious accidents are caused. The existing cable trough box is made of glass fiber reinforced plastics, cement components or galvanized sheets, but the glass fiber reinforced plastics have poor aging resistance, and the performance of the cable trough box is easily reduced under the actions of ultraviolet rays, wind, sand, rain, snow, chemical media, mechanical stress and the like; the concrete members and the galvanized plates can be punctured or chipped when the power cables in the tank break down to cause electric arcs and burn, which endangers the safe operation of the substation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the current groove box when current alternating current power cable breaks down and can not protect the not enough of other cables that lay with the ditch, provide a cable groove box, simple structure, convenient to use can keep apart alternating current power cable and other cables for when alternating current power cable breaks down, can not arrive other cables, ensure power equipment safe operation.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the cable slot box comprises a slot body, wherein the slot body comprises an anti-corrosion layer, a heat insulation layer and a protective layer which are stacked from outside to inside; and the anticorrosive layer is provided with a plurality of connecting pieces for connecting the anticorrosive layer with the cable groove box.
The utility model relates to a cable trough box, the anticorrosive coating sets up in the outer position, can improve the corrosion resistance of cable trough box, can also prevent that the cable trough box from receiving mechanical damage, increase the life of cable trough box; the heat insulation layer is arranged at the position of the middle layer, so that the heat insulation performance of the cable trough box can be improved, and when an alternating current power cable breaks down to generate electric arcs or burns, the temperature of other cables cannot change; the protective layer is arranged at the inner layer position and can be used for preventing electric arc and fire, and when an alternating current power cable breaks down to generate electric arc or burn, the protective layer can directly defend the electric arc and resist the fire, so that the operation safety of a power grid is improved.
In order to prevent the cable trough box from being too thick and heavy, the thickness of the anti-corrosion layer is smaller than that of the thermal insulation layer, and the thickness of the protective layer is smaller than or equal to that of the thermal insulation layer.
In order to enable the anticorrosive coating to enclose and close the alternating current power cable, the anticorrosive coating comprises a first bottom plate and a first side plate connected to two sides of the first bottom plate, and the first bottom plate and the first side plate are integrally formed.
In order to facilitate the sliding insertion of the heat insulation layer, the protective layer and the anticorrosive layer, a groove used for being connected with the layer is formed in one end, far away from the first bottom plate, of the first side plate.
In order to enable the heat insulation layer to enclose the alternating current power cable, the heat insulation layer comprises a second bottom plate and second side plates connected to two sides of the second bottom plate, and the second bottom plate and the second side plates are integrally formed.
In order to enable the protective layer to enclose the alternating current power cable, the protective layer comprises a third bottom plate and third side plates connected to two sides of the third bottom plate, and the third bottom plate and the third side plates are integrally formed.
Preferably, the anticorrosive layer is a stainless steel structure.
Preferably, the heat insulation layer is an inorganic heat insulation structure.
Preferably, the protective layer is a non-combustible inorganic composite structure.
In order to enable the cable groove boxes to be connected through bolts penetrating through the connecting pieces, the connecting pieces are of semi-ring structures.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the setting of anticorrosive coating can improve the corrosion resistance of cable tray, can also prevent that the cable tray from receiving mechanical damage, increases the life of cable tray.
(2) The setting of insulating layer can improve the heat-proof quality of cable tray box, and when alternating current power cable broke down and produced electric arc or burning, the anticorrosive coating can not melt because of high temperature for other cable temperature of placing in the cable tray box outside can not change.
(3) The protective layer can be used for preventing electric arc and fire, and when an alternating current power cable breaks down to generate electric arc or burn, the protective layer can directly defend the electric arc and resist fire, so that the safety of power grid operation is improved.
Drawings
Fig. 1 is a schematic structural diagram of the cable tray of the present invention.
Fig. 2 is a schematic structural diagram of the corrosion protection layer of the present invention.
Fig. 3 is a schematic structural diagram of the thermal insulation layer and the protective layer of the present invention.
The graphic symbols are illustrated as follows:
the method comprises the following steps of 1-a wire slot body, 2-an anticorrosive layer, 21-a first bottom plate, 22-a first side plate, 23-a groove, 24-a flange, 3-a heat insulation layer, 31-a second bottom plate, 32-a second side plate, 4-a protective layer, 41-a third bottom plate, 42-a third side plate and 5-a connecting piece.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Example 1
As shown in fig. 1 to 3, the first embodiment of the cable trough box of the present invention includes a trough body 1, the trough body 1 includes an anti-corrosion layer 2, a thermal insulation layer 3, and a protection layer 4 stacked from outside to inside, the anti-corrosion layer 2 is detachably connected to the thermal insulation layer 3, and the thermal insulation layer 3 is detachably connected to the protection layer 4; the anticorrosive coating 2 is provided with a plurality of connecting pieces 5 used for being connected with the cable groove box.
The anti-corrosion layer is arranged at the outer layer position, so that the corrosion resistance of the cable groove box can be improved, the cable groove box can be prevented from being mechanically damaged, and the service life of the cable groove box is prolonged; the heat insulation layer is arranged at the position of the middle layer, so that the heat insulation performance of the cable trough box can be improved, and when an alternating current power cable breaks down to generate electric arcs or burns, the temperature of other cables cannot change; the protective layer is arranged at the inner layer position and can be used for preventing electric arc and fire, namely the protective layer can also be called as an electric arc-preventing fireproof layer, when an alternating current power cable breaks down to generate electric arc or burn, the protective layer can directly prevent the electric arc and resist the fire, and the safety of the operation of a power grid is improved.
In addition, the thickness of the anti-corrosion layer 2 is smaller than that of the heat insulation layer 3, and the thickness of the protective layer 4 is smaller than or equal to that of the heat insulation layer 3. The thickness setting of anticorrosive coating 2, insulating layer 3, inoxidizing coating 4 can prevent that the cable tray box is too thick and heavy. Specifically, the thickness of the anti-corrosion layer 2 in this embodiment is 0.4-1 mm, the thickness of the thermal insulation layer 3 is 10mm, and the thickness of the protective layer 4 is 6-10 mm.
In addition, the anticorrosive coating 2 includes a first bottom plate 21 and a first side plate 22 connected to both sides of the first bottom plate 21, and the first bottom plate 21 and the first side plate 22 are integrally formed. The arrangement of the first bottom plate 21 and the first side plate 22 enables the anticorrosive coating 2 to enclose the alternating-current power cable. As shown in fig. 1 to 2, in the present embodiment, the first side plate 22 and the first bottom plate 21 are at 90 °.
Wherein, a groove 23 for connecting with a layer is arranged at one end of the first side plate 22 far away from the first bottom plate 21. The arrangement of the groove 23 can facilitate the sliding insertion of the heat insulation layer 3 and the protective layer 4 with the anticorrosive layer 2. As shown in fig. 2, in the present embodiment, the groove 23 extends from one end of the top edge of the first side plate 22 to the other end, and the groove width of the groove 23 matches the thickness of the second side plate 32 and the third side plate 42 after being stacked, so that the groove 23 can accommodate the top of the second side plate 32 and the third side plate 42 to protrude into. The edges of the first bottom plate 21 and the first side plate 22 are also connected with a flange 24, and the flange 24Form a
The shape is similar to the cross section structure of the anti-corrosion layer 2, and the width of the flange is matched with the thickness of the thermal insulation layer 3 and the protective layer 4 after being superposed. The first bottom plate 21, the first side plate 22, the groove 23, and the rib 24 are integrally formed.
In addition, the insulation layer 3 includes a second bottom plate 31 and second side plates 32 connected to both sides of the second bottom plate 31, and the second bottom plate 31 and the second side plates 32 are integrally formed. The provision of the second bottom plate 31 and the second side plate 32 enables the insulation 3 to enclose the ac power cable.
In addition, the shield 4 includes a third bottom plate 41 and third side plates 42 connected to both sides of the third bottom plate 41, and the third bottom plate 41 and the third side plates 42 are integrally formed. The provision of the third base plate 41 and the third side plate 42 enables the shielding 4 to enclose the ac power cable.
Specifically, the second bottom plate 31 and the second side plate 32 are 90 ° to each other, and the third bottom plate 41 and the third side plate 42 are 90 ° to each other; the heat insulation layer 3 and the anticorrosive layer 2 and the protective layer 4 and the anticorrosive layer 2 are detachably connected in a sliding manner. When the heat insulation layer 3, the protective layer 4 and the anticorrosive layer 2 need to be installed, the tops of the two second side plates 32 extend into the groove 23, and then the second side plates are pushed into the groove 23 until the second bottom plate 31 contacts the flange 24, so that the installation between the heat insulation layer 3 and the anticorrosive layer 2 is completed; then, the tops of the two third side plates 42 are inserted into the groove 23 and pushed along the groove 23 until the third bottom plate 41 contacts the rib 24, thereby completing the installation between the protective layer 4 and the thermal insulation layer 3.
Preferably, the anticorrosive coating 2 is of a stainless steel structure, and can play a role in supporting and protecting the skeleton for preventing corrosion and mechanical damage; the heat insulation layer 3 is an inorganic heat insulation structure, so that the danger that other cables are influenced by the fact that stainless steel is melted due to high temperature can be prevented; the protective layer 4 is a non-combustible inorganic composite structure, and can prevent the cable from arcing and play a role in flame retardance. Specifically, the first bottom plate 21 and the first side plate 22 are both stainless steel plates, the second bottom plate 31 and the second side plate 32 are both inorganic heat insulation plates, and the third bottom plate 41 and the third side plate 42 are both non-combustible inorganic composite plates.
During the use, with exchange power cable place in this cable duct box can, other cables then do not put into for can keep apart through anticorrosive coating 2, insulating layer 3, inoxidizing coating 4 between exchange power cable and the other cables. When the alternating current power cable is short-circuited and arcing causes the heat insulation layer 3 and the protective layer 4 to be damaged, the heat insulation layer 3 and the protective layer 4 are detached from the anti-corrosion layer 2 and replaced with new heat insulation layers 3 and protective layers 4, so that the cable can be continuously used, and other cables outside the cable groove box cannot be endangered.
Example 2
This embodiment is similar to embodiment 1, except that the connecting member 5 is a half-ring structure. The semi-ring structure enables the cable groove boxes to be connected through the connecting piece 5 through bolts, and the assembly is convenient. As shown in fig. 1 to 2, four half ring structures are arranged on each first side plate 22, and the half ring structures are located at the corners of the first side plate 22, and the cable trough boxes are connected by bolts and nuts sleeved on the bolts after the cables pass through the cable trough boxes. The semi-ring structure can also be provided with an internal thread, and the bolt penetrates through the internal thread to realize locking and also realize connection between the cable groove boxes.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A cable trough box comprises a trough body (1), and is characterized in that the trough body (1) comprises an anti-corrosion layer (2), a heat insulation layer (3) and a protective layer (4) which are stacked from outside to inside, the anti-corrosion layer (2) is detachably connected with the heat insulation layer (3), and the heat insulation layer (3) is detachably connected with the protective layer (4); and the anticorrosive layer (2) is provided with a plurality of connecting pieces (5) for being connected with the cable groove box.
2. A cable trough according to claim 1, characterized in that the thickness of the corrosion protection layer (2) is smaller than the thickness of the insulating layer (3) and the thickness of the protective layer (4) is smaller than or equal to the thickness of the insulating layer (3).
3. The cable trough according to claim 1, characterized in that the corrosion protection layer (2) comprises a first bottom plate (21) and a first side plate (22) connected to both sides of the first bottom plate (21), and the first bottom plate (21) and the first side plate (22) are integrally formed.
4. A cable trough according to claim 3, characterized in that the first side plate (22) is provided with a groove (23) at its end remote from the first bottom plate (21) for connection to a layer.
5. A cable trough according to claim 1, characterized in that the insulating layer (3) comprises a second bottom plate (31) and second side plates (32) connected to both sides of the second bottom plate (31), the second bottom plate (31) being formed integrally with the second side plates (32).
6. A cable trough according to claim 1, characterized in that the protective covering (4) comprises a third bottom panel (41) and third side panels (42) connected to both sides of the third bottom panel (41), the third bottom panel (41) being formed integrally with the third side panels (42).
7. A cable trough according to claim 1, characterized in that the corrosion protection layer (2) is of stainless steel construction.
8. A cable tray as claimed in claim 1, characterized in that the insulating layer (3) is of inorganic insulating construction.
9. A cable tray according to claim 1, characterized in that the protective layer (4) is of a non-combustible inorganic composite construction.
10. A cable tray according to claim 1, characterized in that the connecting element (5) is of a half-ring construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045107.9U CN211183218U (en) | 2019-11-22 | 2019-11-22 | Cable trough box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045107.9U CN211183218U (en) | 2019-11-22 | 2019-11-22 | Cable trough box |
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| Publication Number | Publication Date |
|---|---|
| CN211183218U true CN211183218U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922045107.9U Active CN211183218U (en) | 2019-11-22 | 2019-11-22 | Cable trough box |
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| CN (1) | CN211183218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994488A (en) * | 2019-11-22 | 2020-04-10 | 广东电网有限责任公司 | Cable trough box |
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2019
- 2019-11-22 CN CN201922045107.9U patent/CN211183218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994488A (en) * | 2019-11-22 | 2020-04-10 | 广东电网有限责任公司 | Cable trough box |
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