CN109245012B - Cable trench cover plate - Google Patents

Cable trench cover plate Download PDF

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Publication number
CN109245012B
CN109245012B CN201811482968.7A CN201811482968A CN109245012B CN 109245012 B CN109245012 B CN 109245012B CN 201811482968 A CN201811482968 A CN 201811482968A CN 109245012 B CN109245012 B CN 109245012B
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CN
China
Prior art keywords
cover plate
notch step
notch
middle cover
sealing
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Application number
CN201811482968.7A
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Chinese (zh)
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CN109245012A (en
Inventor
付滨
杨杰
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN201811482968.7A priority Critical patent/CN109245012B/en
Publication of CN109245012A publication Critical patent/CN109245012A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/02Installations 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
    • H02G9/025Coverings therefor, e.g. tile

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  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention discloses a cable trench cover plate which comprises an initial cover plate, a middle cover plate and a termination cover plate which are hermetically installed on a placing groove, wherein a first notch step is arranged at the upper part of the right end of the initial cover plate, the middle cover plate is of a vertically bent Z-shaped structure, a second notch step is arranged at the bottom of the left end of the middle cover plate, a third notch step is arranged at the upper side of the right end of the middle cover plate, the second notch step is in pressure connection with the first notch step, the left end of the second notch step is tightly abutted against the left end face of the first notch step, a plurality of adjacent two blocks of the middle cover plate are in pressure connection with the third notch step through the second notch step, a fourth notch step is arranged at the bottom of the left end of the termination cover plate, the fourth notch step is in pressure connection with the third notch step at the right end of the last block of the middle cover plate, and a locking mechanism is arranged on the termination cover plate. The invention has the advantages of greatly simplified operation, greatly improved installation efficiency, greatly reduced cost, reduced probability of cable theft after the last cover plate is fastened, and better waterproof effect in sealing.

Description

Cable trench cover plate
Technical Field
The invention relates to a cable trench cover plate, and belongs to the technical field of cable trench cover plates.
Background
The existing cable trench cover plate is normally and directly covered on a placing groove of a cable trench, if the existing cable trench cover plate needs to be fixed in the mode, each trench cover plate needs to be fixed, the operation is complex, time and labor are wasted, the installation efficiency is low, the cable is convenient to detach, the cable is easy to steal, and the waterproof and anti-skidding effects are poor.
Disclosure of Invention
The invention aims to solve the technical problems that: a cable trench cover is provided to address the problems of the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a cable trench cover, including the initial apron of sealed installation on the standing groove, middle apron and termination apron, the right-hand member upper portion of initial apron sets up first breach step, middle apron is the zigzag structure of bending perpendicularly, left end bottom sets up the second breach step, right-hand member upside sets up the third breach step, the second breach step crimping is on first breach step and second breach step left end closely support and lean on first breach step left end face, the middle apron adopts the polylith, through second breach step crimping on the third breach step between two adjacent pieces, termination apron left end bottom is provided with the fourth breach step, the third breach step of fourth breach step crimping at the last right-hand member of middle apron, be provided with locking mechanism on the termination apron.
Preferably, sealing strips are arranged between the first notch step and the second notch step, between the second notch step and the third notch step of the two adjacent middle cover plates, and between the third notch step and the fourth notch step.
Preferably, the sealing structure comprises a plurality of sealing strips, wherein sealing grooves are respectively formed in the corresponding positions of the first notch step, the second notch step, the third notch step and the fourth notch step of two adjacent middle cover plates, and the two sealing grooves are in crimping connection with the sealing strips.
Preferably, the sealing strip is provided with a drainage groove on the first notch step and the third notch step near the left position, and two ends of the drainage groove are led into drainage channels on two sides of the placement groove.
Preferably, the upper end surface of the trench cover plate formed by the initial cover plate, the middle cover plate and the end cover plate is provided with anti-slip knurls.
Preferably, the initial cover plate, the middle cover plate and the final cover plate are made of inorganic fiber composite materials.
Preferably, the locking mechanism comprises a special-shaped screw and a crimping plate, wherein the special-shaped screw penetrates through the end cover plate and then is connected to the crimping plate, and two ends of the crimping plate are flush against the steps of the middle cover plate and the placing groove.
The invention has the beneficial effects that: compared with the prior art, the invention has the following effects:
(1) According to the trench cover plate structure, the adjacent two cover plates form limiting fixation, the last cover plate is fixed, the operation is greatly simplified, the installation efficiency is greatly improved, the cost is greatly reduced, the probability of cable theft can be reduced after the last cover plate is fastened, and the waterproof effect is better in sealing;
(2) According to the invention, the sealing strip is arranged, so that the sealing waterproof effect between the cover plates can be ensured, rainwater is prevented from entering the cable duct, and the waterproof effect is further improved by arranging a plurality of sealing strips;
(3) The sealing strip is in pressure connection by two sealing grooves, so that the sealing effect is better;
(4) The water draining groove is arranged to drain the water in advance, so that the contact amount with the sealing strip is reduced, and the sealing waterproof effect is improved;
(5) The anti-skid knurling can effectively prevent skid, prevent walking personnel from falling down, and improve the use safety;
(6) The initial cover plate, the middle cover plate and the end cover plate are made of inorganic fiber composite materials, and the material has the characteristics of high compression resistance, bending resistance, high durability, high fatigue resistance, impact resistance, low brittleness, high wear resistance, chemical corrosion resistance and the like, and the mechanical property is a novel building material with the characteristics between steel and concrete, so that the service life of the trench cover plate is greatly prolonged, and the trench cover plate is convenient to maintain and replace.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the joint structure at the seal strip;
FIG. 3 is an exploded view of three cover plate connections;
fig. 4 is a schematic view of the structure of the drain tank.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Example 1: as shown in fig. 1-4, a cable trench cover plate comprises an initial cover plate 1, a middle cover plate 2 and a termination cover plate 3 which are arranged on a placing groove 6 in a sealing manner, wherein a first notch step 14 is arranged at the upper part of the right end of the initial cover plate 1, the middle cover plate 2 is of a vertically bent Z-shaped structure, a second notch step 15 is arranged at the bottom of the left end, a third notch step 4 is arranged at the upper side of the right end, the second notch step 15 is pressed on the first notch step 14 in a pressing manner, the left end of the second notch step 15 is tightly abutted against the left end face of the first notch step 14, the middle cover plate 2 is in a plurality of blocks, two adjacent blocks are pressed on the third notch step 4 in a pressing manner through the second notch step 15, a fourth notch step 5 is arranged at the bottom of the left end of the termination cover plate 3, the fourth notch step 5 is pressed on the third notch step 4 at the right end of the last block of the middle cover plate 2, and a locking mechanism is arranged on the termination cover plate 3.
Preferably, the sealing strips 7 are arranged between the first notch step 14 and the second notch step 15, the second notch step 15 and the third notch step 4 of the two adjacent middle cover plates 2, and the third notch step 4 and the fourth notch step 5, and the length of the sealing strip 1 is the same as the width of the ditch cover plate.
Preferably, the sealing structure comprises a plurality of sealing strips 7, wherein sealing grooves 8 are respectively arranged at the corresponding positions of the first notch step 14, the second notch step 15, the third notch step 4 and the fourth notch step 5 of two adjacent middle cover plates 2, and the sealing strips 7 are crimped by the two sealing grooves 8.
Preferably, the first notch step 14 and the third notch step 4 near the left position of the sealing strip 7 are provided with a drainage groove 9, and two ends of the drainage groove 9 are led into drainage channels 10 on two sides of the placement groove 6.
Preferably, the upper end surface of the trench cover plate formed by the initial cover plate 1, the middle cover plate 2 and the final cover plate 3 is provided with anti-slip knurling.
Preferably, the above-mentioned starting cover plate 1, intermediate cover plate 2 and ending cover plate 3 are made of inorganic fiber composite material.
Preferably, the locking mechanism comprises a special-shaped screw 11 and a crimping plate 12, wherein the special-shaped screw 11 penetrates through the end cover plate 3 and is connected to the crimping plate 12, and two ends of the crimping plate 12 are flush against the step 13 of the middle cover plate 2 and the placing groove 6.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.

Claims (4)

1. A cable trench cover, characterized in that: the novel structure comprises an initial cover plate (1), a middle cover plate (2) and a termination cover plate (3) which are arranged on a placing groove (6) in a sealing manner, wherein a first notch step (14) is arranged at the upper part of the right end of the initial cover plate (1), the middle cover plate (2) is of a vertically bent Z-shaped structure, a second notch step (15) is arranged at the bottom of the left end, a third notch step (4) is arranged at the upper side of the right end, the second notch step (15) is pressed on the first notch step (14) in a pressing manner, the left end of the second notch step (15) is tightly abutted against the left end face of the first notch step (14), the middle cover plate (2) adopts a plurality of blocks, the adjacent two blocks are pressed on the third notch step (4) through the second notch step (15), a fourth notch step (5) is arranged at the bottom of the left end of the termination cover plate (3), the fourth notch step (5) is pressed on the third notch step (4) of the last right end of the middle cover plate (2), and the length of the first notch step (14) and the second notch step (15) is at least greater than the transverse thickness of the middle cover plate (2); sealing strips (7) are arranged between the first notch step (14) and the second notch step (15), between the second notch step (15) and the third notch step (4) of two adjacent middle cover plates (2), and between the third notch step (4) and the fourth notch step (5); the sealing structure comprises a plurality of sealing strips (7), wherein sealing grooves (8) are respectively arranged at the corresponding positions of a first notch step (14) and a second notch step (15), the second notch step (15) and a third notch step (4) of two adjacent middle cover plates (2), the third notch step (4) and a fourth notch step (5), and the two sealing grooves (8) are in pressure connection with the sealing strips (7); the sealing strip (7) is provided with a drainage groove (9) on the first notch step (14) and the third notch step (4) close to the left position, and two ends of the drainage groove (9) are led into drainage channels (10) on two sides of the placement groove (6).
2. A cable trench cover according to claim 1, wherein: the upper end face of the ditch cover plate formed by the initial cover plate (1), the middle cover plate (2) and the end cover plate (3) is provided with anti-slip knurls.
3. A cable trench cover according to claim 1, wherein: the starting cover plate (1), the middle cover plate (2) and the ending cover plate (3) are made of inorganic fiber composite materials.
4. A cable trench cover according to claim 1, wherein: the locking mechanism comprises a special-shaped screw (11) and a crimping plate (12), wherein the special-shaped screw (11) penetrates through the end cover plate (3) and then is connected to the crimping plate (12), and two ends of the crimping plate (12) are flush against the step (13) of the middle cover plate (2) and the placing groove (6).
CN201811482968.7A 2018-12-05 2018-12-05 Cable trench cover plate Active CN109245012B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811482968.7A CN109245012B (en) 2018-12-05 2018-12-05 Cable trench cover plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811482968.7A CN109245012B (en) 2018-12-05 2018-12-05 Cable trench cover plate

Publications (2)

Publication Number Publication Date
CN109245012A CN109245012A (en) 2019-01-18
CN109245012B true CN109245012B (en) 2024-04-12

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Application Number Title Priority Date Filing Date
CN201811482968.7A Active CN109245012B (en) 2018-12-05 2018-12-05 Cable trench cover plate

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114977064A (en) * 2022-03-18 2022-08-30 中国核电工程有限公司 Anti-lifting cover plate and cable laying channel

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002348944A (en) * 2001-03-23 2002-12-04 Maeda Seikan Kk Installation structure for side ditch for road
CN201490671U (en) * 2009-05-26 2010-05-26 江苏省电力公司苏州供电公司 Cover plate of cable channel
CN101986490A (en) * 2009-07-29 2011-03-16 宋建忠 Hermetically sealed cable trench cover plate
CN103928897A (en) * 2014-04-30 2014-07-16 国家电网公司 Cable trench and water inflow preventing method for cable trench
CN203850799U (en) * 2014-05-25 2014-09-24 国家电网公司 Substation rainproof cable trench cover plate
CN206559012U (en) * 2017-03-16 2017-10-13 安徽华电工程咨询设计有限公司 A kind of multifunctional fabricated water-proof cable ditch
CN207719782U (en) * 2018-02-01 2018-08-10 湖北正茂新材料科技股份有限公司 A kind of ventilation dustproof cable channel cover plate
CN209169911U (en) * 2018-12-05 2019-07-26 贵州电网有限责任公司 A kind of cable trench cover structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002348944A (en) * 2001-03-23 2002-12-04 Maeda Seikan Kk Installation structure for side ditch for road
CN201490671U (en) * 2009-05-26 2010-05-26 江苏省电力公司苏州供电公司 Cover plate of cable channel
CN101986490A (en) * 2009-07-29 2011-03-16 宋建忠 Hermetically sealed cable trench cover plate
CN103928897A (en) * 2014-04-30 2014-07-16 国家电网公司 Cable trench and water inflow preventing method for cable trench
CN203850799U (en) * 2014-05-25 2014-09-24 国家电网公司 Substation rainproof cable trench cover plate
CN206559012U (en) * 2017-03-16 2017-10-13 安徽华电工程咨询设计有限公司 A kind of multifunctional fabricated water-proof cable ditch
CN207719782U (en) * 2018-02-01 2018-08-10 湖北正茂新材料科技股份有限公司 A kind of ventilation dustproof cable channel cover plate
CN209169911U (en) * 2018-12-05 2019-07-26 贵州电网有限责任公司 A kind of cable trench cover structure

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