CN112736812A - Method for laying cable in large-span lock chamber - Google Patents
Method for laying cable in large-span lock chamber Download PDFInfo
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- CN112736812A CN112736812A CN202110129137.7A CN202110129137A CN112736812A CN 112736812 A CN112736812 A CN 112736812A CN 202110129137 A CN202110129137 A CN 202110129137A CN 112736812 A CN112736812 A CN 112736812A
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
Abstract
The invention discloses a method for laying cables in a large-span lock chamber, which adopts a special cable bridge, wherein the laying method comprises the following steps: firstly, fixing mounting plates according to a preset interval, and then welding a support piece on each mounting plate; secondly, mounting the cable support bracket on the support piece; thirdly, welding the bearing units on the inner side surface of the cable bearing bracket, and laying a bundle of cables on each layer of bearing units; and fourthly, after the bearing unit is welded, buckling the cable protection cover on the cable bearing bracket. The cable bridge frame is provided with a cable laying assembly which is provided with a plurality of layers of bearing units, the width of each bearing unit can be controlled within 100mm, the width of each cable laying assembly is controlled to be about 100mm, the width of each cable laying assembly is small, the height of each cable laying assembly can be controlled within 500mm, the cable bridge frame is small in size, and the cable bridge frame can be arranged on the ground of a lock chamber close to a wall during installation, occupies small space and is particularly suitable for a large-span lock chamber with a narrow overhaul space.
Description
Technical Field
The invention relates to a technology for laying cables in a gate chamber in hydraulic engineering, in particular to a method for laying cables in a large-span gate chamber.
Background
The gate chamber is an essential important component of hydraulic and hydroelectric engineering, and comprises a gate bottom plate, a gate pier, a hoist installation chamber, a traffic bridge and other building components. Because of the more equipment in the lock chamber, the high power and the high electric load, cables with larger cross sections and more quantity are often required to be laid in the lock chamber.
During actual construction, a large number of cables are laid by common cable laying assemblies so as to realize the regularity of the cables. The traditional cable bridge comprises a cable tray fixedly installed on a wall by using expansion bolts, and a support arm is arranged below the cable tray to ensure the mechanical strength of the cable tray; meanwhile, 3-4 cable trays (with a support arm support below each cable tray) are arranged on the wall at intervals from top to bottom to meet the laying requirements of multiple cables. Although the cable bridge realizes layered laying of cables, the cable bridge still has the following problems:
(1) because the supporting arm is arranged below each cable tray to ensure the mechanical strength of the cable tray, the overhauling space of two adjacent cable trays up and down is smaller, and the overhauling difficulty is increased; meanwhile, the cable tray and the supporting arm are large in size, so that the cable tray occupies installation space and increases installation difficulty;
(2) cable tray and support arm interval set up on the wall, and occupation space is more, is difficult to satisfy the maintenance demand of the narrow and small lock chamber in maintenance space (the narrower lock chamber of walking passageway between headstock gear and the wall promptly), increases the maintenance degree of difficulty of headstock gear, and the staff touches support arm or cable tray when overhauing easily, and the security is lower.
Disclosure of Invention
In view of the above, the invention provides a method for laying cables in a large-span lock chamber, which adopts a special cable bridge, wherein the cable bridge is provided with a cable laying assembly with a compact internal structure, and the cables are laid in the cable laying assembly, so that the cable laying assembly is attractive and elegant; and the width of the cable laying assembly can be controlled within 100mm, the occupied space is small, and the cable laying assembly is particularly suitable for large-span lock chambers with limited overhaul space.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a method for laying cables in a large-span lock chamber, which adopts a special cable bridge, and the cable bridge comprises the following steps:
the fixing assembly is provided with a plurality of mounting pieces which are arranged at intervals along the length direction of the lock chamber, and the mounting pieces are fixedly connected on the ground of the lock chamber;
the vertical supporting assembly is provided with a plurality of vertically arranged supporting pieces, and each mounting piece is provided with one supporting piece;
the cable laying assembly is provided with a cable bearing bracket horizontally and fixedly connected to the plurality of supporting pieces and a cable protection cover buckled on the cable bearing bracket, and the cable bearing bracket and the cable protection cover enclose a cable installation cavity for laying cables; and
the layered bearing component is arranged in the cable installation cavity and is provided with a plurality of layers of bearing units which are arranged at intervals up and down, the width of each layer of bearing unit is less than 100mm, and the height difference of two adjacent layers of bearing units is less than or equal to 120mm (preferably 100 mm);
wherein, the laying method comprises the following steps:
firstly, cleaning sundries on the ground of a lock chamber; sequentially fixing a plurality of mounting plates on the ground close to the wall of the gate chamber along the length direction of the wall at preset intervals, and then welding a supporting piece extending vertically upwards on each mounting plate;
secondly, fixedly mounting the cable support bracket on the support piece, wherein the height of the bottom of the cable support bracket is 40-80 mm (preferably 70 mm) away from the ground;
thirdly, welding a plurality of layers of bearing units on the inner side surface of the cable bearing bracket according to a preset height difference, and laying a bundle of cables on each layer of bearing unit to realize the upper and lower layered laying of the cables;
and fourthly, after the bearing unit is welded, buckling the cable protection cover on the cable bearing bracket, and packaging the cable in a cable laying assembly formed by the cable bearing bracket and the cable protection cover in an enclosing mode.
In a more preferred embodiment of the invention, the mounting member is a mounting plate secured to the chamber floor by a plurality of expansion bolts.
In a more preferred embodiment of the present invention, each layer of the supporting unit includes a plurality of supporting members having the same installation height, and the plurality of supporting members are arranged at intervals along the length direction of the cable installation cavity.
In a more preferred embodiment of the present invention, the support member is a support plate made of galvanized flat steel, and includes a horizontal bearing section horizontally and fixedly connected to the cable support bracket and an arc-shaped binding section bent upward from one end of the horizontal bearing section;
the mounting process of the bearing plate comprises the following steps: and welding a galvanized flat steel horizontally arranged on the inner side surface of the cable bearing bracket, and then bending the other side corresponding to the welding edge of the galvanized flat steel upwards to form an arc-shaped binding section to finish the welding operation of the bearing plate.
In a more preferred embodiment of the present invention, the cable support bracket and the cable protection cover are clamped together by a fastening connection structure, the fastening connection structure includes a pair of first fastening components and a pair of second fastening components, which are symmetrically arranged up and down, the first fastening components fasten and lock the upper portion of the cable support bracket and the upper portion of the cable protection cover together, and the second fastening components fasten and lock the lower portion of the first protection cover and the lower portion of the cable protection cover together.
In a more preferred embodiment of the present invention, the first fastening component comprises
The first upper connecting buckle is provided with a first upper sealing edge which is horizontally arranged at the top of the cable bearing frame, and one edge of the first upper sealing edge is bent downwards to form a first upper anti-falling edge;
the left end part of the first lower connecting buckle is bent upwards to form a first lower anti-falling edge, and the first lower anti-falling edge and the first upper anti-falling edge are buckled together; and
the second upper sealing edge is horizontally arranged at the top of the cable protection cover and is lapped on the first upper sealing edge and fixedly connected together through bolts.
In a more preferred embodiment of the present invention, the second fastening component comprises
The second lower connecting buckle is provided with a first lower sealing edge which is horizontally arranged at the top of the cable bearing frame, and one edge of the first lower sealing edge is bent upwards to form a second lower anti-falling edge;
the left end part of the second upper connecting buckle is bent downwards to form a second upper anti-falling edge, and the second upper anti-falling edge and the second lower anti-falling edge are buckled together; and
the second lower sealing edge is horizontally arranged at the bottom of the cable protection cover, and is lapped on the first lower sealing edge and fixedly connected together through bolts;
the fourth step is to buckle the cable protection cover on the cable support bracket by a specific method which comprises the following steps:
bending the end part of the first lower connecting buckle upwards to form the first lower anti-release edge, and bending the end part of the first upper connecting buckle downwards to form the second upper anti-release edge; bending one end part of the first upper sealing edge downwards to form a first upper anti-slip edge, and buckling the first upper anti-slip edge and the first lower anti-slip edge together;
bending one end part of the first lower sealing edge upwards to form a second lower anti-slip edge, bending one end part of a second upper connecting buckle upwards to form a second upper anti-slip edge, and buckling the second upper anti-slip edge and the second lower anti-slip edge together; then, the upper part of the cable protection cover is horizontally bent to form a second upper sealing edge attached to the first upper sealing edge, and the lower part of the cable protection cover is horizontally bent to form a second lower sealing edge attached to the first lower sealing edge, so that the locking connection of the cable protection cover on the cable bearing bracket is realized.
The cable bridge frame used in the invention is provided with a cable laying component, a plurality of layers of bearing units which are vertically spaced are arranged in the cable laying component, the width of each bearing unit can be controlled within 100mm, the width of the cable laying component is controlled within about 100mm, the thickness of the cable laying component is smaller, the height of the cable laying component can be controlled within 500mm, the size is smaller, the cable laying component can be arranged on the ground of a lock chamber close to a wall during installation, the occupied space is small, and the cable laying component is particularly suitable for a large-span lock chamber with a narrow overhaul space.
The laying method can integrate the cables in the cable laying assembly and lay the cables in an up-down layered manner, thereby realizing the layered laying of a plurality of bundles of cables, saving the installation space and reducing the laying difficulty of the cables; meanwhile, the cable support bracket and the cable protection cover are buckled to form a rectangular structure, so that the appearance is attractive and elegant, and the lock chamber is more tidy.
The bearing unit is provided with a plurality of bearing plates made of galvanized steel plates, the bearing plates are arranged at intervals, and the height difference is about 100mm, so that the ventilation and heat dissipation performance of the cable is effectively guaranteed, the cable can be guaranteed to have enough maintenance space, and the maintenance is convenient.
Drawings
Fig. 1 is a schematic structural view of a cable tray according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along the line a-a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is an enlarged schematic view of the portion C in fig. 3.
Fig. 6 is a state diagram of the cable laying of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
It should be noted that all the directional indicators (such as up, down, left, right, front, and back … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.
It should also be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "connected" and "fixed" are to be understood in a broad sense, for example, the term "fixed" may be fixedly connected, or detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The invention relates to a method for laying cables in a large-span lock chamber, which adopts a special cable bridge; as shown in fig. 1-5, the cable tray comprises
A fixing component, which is provided with a plurality of mounting pieces (namely, a mounting plate 1, the mounting plate is made of galvanized steel plates with the thickness of 150mm multiplied by 10 mm) arranged at intervals along the length direction of the lock chamber, the mounting plate 1 is provided with a plurality of mounting holes, and the mounting plate 1 is fixed on the lock chamber ground M (concrete ground) by using expansion bolts 2 penetrating through the mounting holes;
a vertical supporting component, which is provided with a plurality of supporting pieces 3 arranged at intervals (the supporting pieces 3 are made of 10# galvanized steel channels), and each mounting plate 1 is welded with one supporting piece 3 extending vertically upwards;
the cable laying assembly is a rectangular box-shaped structure which is defined by a cable bearing bracket 4.1 fixedly connected to the plurality of supporting pieces 3 and a cable protection cover 5.1 buckled on the cable bearing bracket 4.1, the cable bearing bracket 4.1 and the cable protection cover 5.1 are arranged at intervals along the length direction of the lock chamber, and the cable bearing bracket 4.1 and the cable protection cover 5.1 are buckled together to define a cable installation cavity for laying cables; and
the layered bearing assembly is arranged in the cable installation cavity and is provided with four layers of bearing units which are arranged at intervals up and down, the distance between every two adjacent layers of bearing units is 100mm, and a plurality of cables are laid on each layer of bearing unit), so that the distance between every two adjacent beams of cables up and down is controlled within 100mm, the heat dissipation requirement of the cables is met, the height of the cable bridge is reduced, and the height of the cable bridge is controlled within 500 mm; the width of the cable laying component is controlled within 100mm, namely the cable laying component is a long and narrow rectangular box, so that the occupied space is small, the installation is convenient, and the cable laying component is particularly suitable for laying and installing cables in a large-span lock chamber with small overhaul space; meanwhile, the cable bridge disclosed by the invention occupies a small space, so that the hoist is convenient to overhaul and maintain.
In actual installation, as shown in fig. 3, first through holes are formed in the waist surface of each support member 3 at intervals up and down, second through holes which are in one-to-one correspondence with the first through holes are formed in the cable support bracket 4.1 at intervals, and self-tapping screws 6 penetrate through each pair of corresponding first through holes and second through holes, that is, the cable support bracket 4.1 is fixed on the support members 3 which are arranged at intervals by the self-tapping screws 6, so that the fixed installation of the cable support bracket 4.1 is realized. Simultaneously for reducing the sanitary clearance degree of difficulty of lock chamber, prevent sanitary dead angle, the difference in height of cable support bracket bottom and ground is about 70mm to the dust of clearance cable laying subassembly below is convenient for.
During actual installation, each layer of bearing unit comprises a plurality of bearing pieces (namely bearing plates 7) with the same installation height, and the bearing plates 7 of each layer of bearing unit are distributed at intervals along the length direction of the cable installation cavity, so that cables are laid at intervals up and down; the distance between the two bearing plates 7 is 90-100 mm, so that the heat dissipation performance of the cable can be effectively guaranteed;
as shown in fig. 3, each support plate 7 comprises a horizontal bearing section horizontally fixed on the inner side surface of the cable support bracket 4.1 and an arc-shaped banding section bent upwards from the end part of the horizontal bearing section. In actual processing, the bearing plate 7 is made of galvanized flat steel with the thickness of 50mm multiplied by 80mm multiplied by 5mm so as to ensure higher structural strength and meet the bearing requirement of the cable; when the cable is installed, one side of the galvanized flat steel is welded on the inner side face of the cable support bracket 4.1, and the other end of the galvanized flat steel is bent upwards to form an arc-shaped binding section, so that the cable is convenient to bind, and the stability of the cable is improved.
The cable support bracket 4.1 and the cable protection cover 5.1 are clamped together through a buckling connection structure, and the buckling connection structure comprises a first buckling component and a second buckling component which are symmetrically arranged;
as shown in fig. 3-4, the first fastening assembly includes a first upper connecting fastener having a first upper sealing edge 4.2 horizontally disposed on the top of the cable support bracket 4.1, and an edge of the first upper sealing edge 4.2 is bent downward to form a first upper anti-slip edge 4.3; the first lower connecting buckle is arranged at the upper part of the cable protection cover 5.1, the left end part of the first lower connecting buckle is bent upwards to form a first lower anti-falling edge 5.2, the first lower anti-falling edge 5.2 is positioned below the first upper anti-falling edge 4.3, and the first lower anti-falling edge 5.2 and the first upper anti-falling edge 4.3 are buckled together; the second upper sealing edge 5.3 is horizontally arranged at the top of the cable protection cover 5.1, and the second upper sealing edge 5.3 is lapped on the first upper sealing edge 4.2 and is fixedly connected together through bolts;
as shown in fig. 3 and 5, the second fastening assembly includes a second lower connecting fastener having a first lower sealing edge 4.4 horizontally disposed on the top of the cable support bracket 4.1, and an edge of the first lower sealing edge 4.4 is bent upward to form a second lower anti-releasing edge 4.5; the second upper connecting buckle is arranged at the lower part of the cable protection cover 5.1, the left end part of the second upper connecting buckle is bent downwards to form a second upper anti-release edge 5.4, and the second upper anti-release edge 5.4 and the second lower anti-release edge 4.5 are buckled together; and the second lower sealing edge 5.5 is horizontally arranged at the bottom of the cable protection cover 5.1, and the second lower sealing edge 5.5 is lapped on the first lower sealing edge 4.4 and is fixedly connected together through bolts.
The buckling connection structure is positioned in the cable laying assembly, and the cables are also positioned in the cable laying assembly, so that not only is the orderly laying of a plurality of bundles of cables realized, but also the appearance is attractive and elegant, and the lock chamber is more orderly and attractive.
The height of the cable bridge can be flexibly selected according to the number of laid cables, and the construction method of the cable bridge is specifically described by taking the laying of four bundles of cables as an example:
firstly, cleaning sundries on the ground M, and constructing mounting plates 1 on the ground M close to a gate chamber wall F at intervals along the length direction of the wall F; specifically, the method comprises the following steps: punching a preset position to enable the preset position to be vertically and one-to-one corresponding to the mounting holes in the mounting plate 1, and then fixing the mounting plate 1 on the ground M by using the expansion bolts 2 to finish the fixed mounting of one mounting plate 1; repeating the operation, and sequentially finishing the installation operation of other installation plates 1;
secondly, welding a support 3 on each mounting plate 1 (the height of the support 3 is about 550 mm);
the following installation method can be adopted during actual construction: after each mounting plate 1 is mounted, directly welding a support member 3 on the mounting plate 1, and repeating the operation until all the mounting plates 1 and the support members 3 are mounted;
thirdly, fixedly connecting the cable support bracket 4.1 on the support member 3 by using self-tapping to form a cable support bracket 4.1; then, welding a plurality of layers of supporting units on the inner side surface of the cable supporting bracket 4.1;
during welding, a galvanized flat steel is welded at a preset position, and then the right end part of the galvanized flat steel is bent upwards to complete the welding operation of the bearing plate 7; then, repeating the operation to complete the welding operation of all the bearing plates 7;
after the bearing plate 7 is welded, cables are laid on the bearing units on the layer, and the cables are bound to the arc-shaped bending sections of the bearing plate 7, so that the stability of the cables is improved;
fourthly, the cable protection cover 5.1 is of a structure, when the cable protection cover is installed, the cable protection cover 5.1 is buckled on the cable bearing bracket 4.1, and the specific installation process is as follows:
bending the left end part of the first lower connecting buckle upwards to form a first lower anti-slip edge 5.2, bending the left end part of the first upper connecting buckle downwards to form a second upper anti-slip edge 5.4, and then placing the cable protection cover 5.1 on the right side of the cable bearing bracket 4.1; the right end part of the first upper sealing edge 4.2 is bent downwards to form a first upper anti-slip edge 4.3, and the first upper anti-slip edge 4.3 and the first lower anti-slip edge 5.2 are buckled together;
bending the end part of the first lower sealing edge 4.4 of the cable support bracket 4.1 upwards to form a second lower anti-slip edge 4.5, and buckling the second lower anti-slip edge 4.5 and the second upper anti-slip edge 5.4 together; bending the upper part of the cable protection cover 5.1 leftwards to form a second upper sealing edge 5.3 attached to the first upper sealing edge 4.2, bending the lower part of the cable protection cover 5.1 leftwards to form a second lower sealing edge 5.5 attached to the first lower sealing edge 4.4, and locking the cable protection cover 5.1 on the cable bearing bracket 4.1;
then, the edges of two short sides of the second upper sealing edge 5.3 of the cable protection cover 5.1 are fixedly connected to the first upper sealing edge 4.2 of the cable support bracket 4.1 by a plurality of bolts, and the edges of two short sides of the second lower sealing edge 5.5 of the cable protection cover 5.1 are fixedly connected to the first lower sealing edge 4.4 of the cable support bracket 4.1 by a plurality of bolts, so that the connection stability of the cable protection cover 5.1 is improved; the cable is laid as shown in fig. 1 and 6.
The cable laying assembly is of a long and narrow rectangular box-shaped structure, is low in height, narrow in width and small in occupied space, and guarantees the width of a passing channel between the cable laying assembly and the hoist N so as to guarantee the overhaul space of the hoist, as shown in fig. 6.
It should be emphasized that the above-described embodiments are merely exemplary embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications, substitutions, improvements, etc. within the technical scope of the present invention, and these modifications and improvements should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A method for laying cables in a large-span brake chamber is characterized in that: a dedicated cable tray is employed, the cable tray comprising:
the fixing assembly is provided with a plurality of mounting pieces which are arranged at intervals along the length direction of the lock chamber, and the mounting pieces are fixedly connected on the ground of the lock chamber;
the vertical supporting assembly is provided with a plurality of vertically arranged supporting pieces, and each mounting piece is provided with one supporting piece;
the cable laying assembly is provided with a cable bearing bracket horizontally and fixedly connected to the plurality of supporting pieces and a cable protection cover buckled on the cable bearing bracket, and the cable bearing bracket and the cable protection cover enclose a cable installation cavity for laying cables; and
the layered bearing assembly is arranged in the cable installation cavity and is provided with a plurality of layers of bearing units which are arranged at intervals up and down, the width of each layer of bearing unit is less than 100mm, and the height difference of two adjacent layers of bearing units is less than or equal to 120 mm;
wherein the laying method comprises the following steps:
firstly, cleaning sundries on the ground of a lock chamber; sequentially fixing a plurality of mounting plates on the ground close to the wall of the gate chamber along the length direction of the wall at preset intervals, and then welding a supporting piece extending vertically upwards on each mounting plate;
secondly, fixedly mounting a cable support bracket on a support piece, wherein the height of the bottom of the cable support bracket is 40-80 mm away from the ground;
thirdly, welding a plurality of layers of bearing units on the inner side surface of the cable bearing bracket according to a preset height difference, and laying cables on each layer of bearing unit to realize the upper and lower layered laying of the cables;
and fourthly, after the bearing unit is welded, buckling the cable protection cover on the cable bearing bracket to enable the cable to be packaged in a cable laying assembly formed by the cable bearing bracket and the cable protection cover in a surrounding mode.
2. A method for cabling within a large-span lock chamber, according to claim 1, wherein: the installation part is an installation plate fixed on the ground of the lock chamber through a plurality of expansion bolts.
3. A method for cabling within a large-span lock chamber, according to claim 1, wherein: each layer of bearing unit comprises a plurality of bearing pieces with the same installation height, and the plurality of bearing pieces are arranged at intervals along the length direction of the cable installation cavity.
4. A method for cabling within a large-span lock chamber, according to claim 3, wherein: the supporting piece is a supporting plate made of galvanized flat steel and comprises a horizontal bearing section horizontally and fixedly connected to the cable bearing bracket and an arc binding section bent upwards from one end of the horizontal bearing section;
the mounting process of the bearing plate comprises the following steps: and welding a galvanized flat steel horizontally arranged on the inner side surface of the cable bearing bracket, and then bending the other side corresponding to the welding edge of the galvanized flat steel upwards to form an arc-shaped binding section to finish the welding operation of the bearing plate.
5. A method for cabling within a large-span lock chamber, according to claim 1, wherein: the cable holds bracket and cable safety cover and clamps together through lock connection structure, lock connection structure includes first lock subassembly and the second lock subassembly that a pair of longitudinal symmetry set up, first lock subassembly holds the upper portion of bracket and the upper portion lock of cable safety cover with the cable and locks together, the second lock subassembly is in the same place first protection lower part and the lower part lock locking of cable safety cover.
6. A method for cabling within a large-span lock chamber, according to claim 1, wherein: the first buckling component comprises
The first upper connecting buckle is provided with a first upper sealing edge which is horizontally arranged at the top of the cable bearing frame, and one edge of the first upper sealing edge is bent downwards to form a first upper anti-falling edge;
the left end part of the first lower connecting buckle is bent upwards to form a first lower anti-falling edge, and the first lower anti-falling edge and the first upper anti-falling edge are buckled together; and
the second upper sealing edge is horizontally arranged at the top of the cable protection cover and is lapped on the first upper sealing edge and fixedly connected together through bolts.
7. Method for laying cables in a large-span lock chamber according to claim 6, characterized in that: the second buckling component comprises
The second lower connecting buckle is provided with a first lower sealing edge which is horizontally arranged at the top of the cable bearing frame, and one edge of the first lower sealing edge is bent upwards to form a second lower anti-falling edge;
the left end part of the second upper connecting buckle is bent downwards to form a second upper anti-falling edge, and the second upper anti-falling edge and the second lower anti-falling edge are buckled together; and
the second lower sealing edge is horizontally arranged at the bottom of the cable protection cover, and is lapped on the first lower sealing edge and fixedly connected together through bolts;
the fourth step is to buckle the cable protection cover on the cable support bracket by a specific method which comprises the following steps:
bending the end part of the first lower connecting buckle upwards to form the first lower anti-release edge, and bending the end part of the first upper connecting buckle downwards to form the second upper anti-release edge; bending one end part of the first upper sealing edge downwards to form a first upper anti-slip edge, and buckling the first upper anti-slip edge and the first lower anti-slip edge together;
bending one end part of the first lower sealing edge upwards to form a second lower anti-slip edge, bending one end part of a second upper connecting buckle upwards to form a second upper anti-slip edge, and buckling the second upper anti-slip edge and the second lower anti-slip edge together; then, the upper part of the cable protection cover is horizontally bent to form a second upper sealing edge attached to the first upper sealing edge, and the lower part of the cable protection cover is horizontally bent to form a second lower sealing edge attached to the first lower sealing edge, so that the locking connection of the cable protection cover on the cable bearing bracket is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110129137.7A CN112736812A (en) | 2021-01-29 | 2021-01-29 | Method for laying cable in large-span lock chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110129137.7A CN112736812A (en) | 2021-01-29 | 2021-01-29 | Method for laying cable in large-span lock chamber |
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| CN202110129137.7A Withdrawn CN112736812A (en) | 2021-01-29 | 2021-01-29 | Method for laying cable in large-span lock chamber |
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| KR20100005637U (en) * | 2008-11-25 | 2010-06-04 | 신근호 | A separation unit of cable protecting line |
| CN108879525A (en) * | 2018-10-06 | 2018-11-23 | 东台市飞凌电气设备有限公司 | A kind of side-mounted gantry |
| CN208299375U (en) * | 2018-07-10 | 2018-12-28 | 中铁建电气化局集团南方工程有限公司 | A kind of house cable gantry |
| CN209150670U (en) * | 2018-10-17 | 2019-07-23 | 赵志诚 | A kind of cable testing bridge |
-
2021
- 2021-01-29 CN CN202110129137.7A patent/CN112736812A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100005637U (en) * | 2008-11-25 | 2010-06-04 | 신근호 | A separation unit of cable protecting line |
| CN208299375U (en) * | 2018-07-10 | 2018-12-28 | 中铁建电气化局集团南方工程有限公司 | A kind of house cable gantry |
| CN108879525A (en) * | 2018-10-06 | 2018-11-23 | 东台市飞凌电气设备有限公司 | A kind of side-mounted gantry |
| CN209150670U (en) * | 2018-10-17 | 2019-07-23 | 赵志诚 | A kind of cable testing bridge |
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Application publication date: 20210430 |
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| WW01 | Invention patent application withdrawn after publication |