CN214153919U - Cable bridge for large-span lock chamber - Google Patents

Abstract

The utility model discloses a cable bridge frame for a large-span lock chamber, which comprises a fixed component; a vertical support assembly; the cable bridge comprises a cable bearing bracket and a bridge protection cover, wherein the cable bearing bracket and the bridge protection cover enclose a cable installation cavity; and a layering bearing subassembly, has multilayer bearing unit, and every layer of bearing unit's width is less than 100mm, and the difference in height of adjacent two-layer bearing unit is less than or equal to 100 mm. The utility model discloses an interval bearing unit about having the multilayer in the cable testing bridge, the width of bearing unit is steerable within 100mm, makes the thickness control of cable testing bridge about 100mm, and highly steerable within 500mm of cable testing bridge, the volume is less, can install subaerial at the lock chamber near the wall when the installation, and occupation space is little, the big span lock chamber in the narrow and small maintenance space of specially adapted.

Description

Cable bridge for large-span lock chamber

Technical Field

The utility model relates to a crane span structure of big span lock chamber among the hydraulic engineering especially relates to a cable testing bridge for big span lock 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 a common cable bridge frame 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 present invention provides a cable bridge for a large-span lock chamber, which has a compact internal structure, and the cable is laid in the cable bridge, so that the cable bridge has an elegant appearance; and the width of the cable bridge can be controlled within 100mm, the occupied space is small, and the cable bridge is particularly suitable for a large-span lock chamber with limited overhaul space.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a cable testing bridge for big span lock chamber, include

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 arranged on the mounting pieces;

the cable bridge is provided with a cable bearing bracket fixedly connected to the vertical supporting assembly and a bridge protection cover buckled on the cable bearing bracket, and the cable bearing bracket and the bridge protection cover enclose a cable installation cavity for laying cables; and

one sets up the cable installation intracavity, the layering bearing subassembly has the bearing unit of interval setting about the multilayer, and every layer of bearing unit's width < 100mm, and the difference in height of adjacent two-layer bearing unit is less than or equal to 120 mm.

In a preferred embodiment of the present invention, the mounting member is a mounting plate fixed on the chamber floor by a plurality of expansion bolts, and the mounting plate is preferably a galvanized steel plate, which is convenient for processing.

In a preferred embodiment of the present invention, the vertical supporting component includes a plurality of supporting members arranged at intervals, and each of the mounting members is provided with one of the supporting members; the cable support bracket is fixedly connected with each support piece through the connecting component, and the fixed installation of the cable support bracket and the support pieces is realized.

The utility model discloses an in a preferred embodiment, the multilayer the bearing unit is neatly laid from top to bottom, and every layer of bearing unit includes the same bearing piece of a plurality of mounting heights, and is a plurality of the bearing piece along the length direction interval of cable installation cavity is laid.

In a more preferred embodiment of the present invention, each of the supporting members is a supporting plate processed from a galvanized flat steel.

In a more preferred embodiment of the present invention, the support member comprises a horizontal bearing section horizontally connected to the inner side surface of the cable bearing bracket and an arc-shaped binding section bent upwards from the end of the horizontal bearing section.

In a preferred embodiment of the present invention, the cable support bracket and the bridge protection cover are clamped together by a snap connection structure.

In a more preferred embodiment of the present invention, the fastening connection structure includes a pair of first fastening components and a pair of second fastening components symmetrically disposed from top to bottom, the first fastening components include

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 bridge 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

and the second lower sealing edge is horizontally arranged at the bottom of the bridge protection cover, and is lapped on the first lower sealing edge and fixedly connected together through a bolt.

The utility model discloses an interval bearing unit about having the multilayer in the cable testing bridge, the width of bearing unit is steerable within 100mm, makes the thickness control of cable testing bridge about 100mm, and the thickness of cable testing bridge is less, and highly steerable within 500mm of cable testing bridge, the volume is less, can install subaerial at the lock chamber near the wall when the installation, and occupation space is little, the big span lock chamber of specially adapted narrow and small maintenance space.

The utility model integrates the cable in the cable bridge and lays the cable in layers up and down, thus realizing the layered laying of a plurality of cables, saving the installation space and reducing the laying difficulty of a plurality of cables in the lock chamber; meanwhile, the cable support bracket and the bridge protection cover are buckled to form a cable bridge with a rectangular structure, so that the appearance is attractive and elegant, and the lock chamber is more tidy.

The utility model discloses a bearing unit has a plurality of bearing boards of being made by galvanized steel sheet, and bearing board interval setting and difference in height are about 100mm, not only effectively guarantee the ventilation and heat dispersion of cable, can also guarantee that the cable has sufficient maintenance space, the easy access.

Drawings

Fig. 1 is a schematic structural diagram of 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 use state diagram of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, 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 upper, lower, left, right, front and rear … …) 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 interpreted broadly, for example, the term "fixed" may be a fixed connection, a detachable connection, or an integral part; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

As shown in figures 1-5, the cable bridge for large-span lock chamber of the present invention 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 No. 10 galvanizing baths), and each mounting plate 1 is welded with one supporting piece 3 extending vertically upwards;

the cable bridge is a rectangular box-shaped structure which is formed by enclosing a cable bearing bracket 4.1 fixedly connected to a plurality of supporting pieces 3 and a bridge protection cover 5.1 buckled on the cable bearing bracket 4.1, the cable bearing bracket 4.1 and the bridge 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 bridge protection cover 5.1 are buckled together to enclose 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, one or more cables are laid on each layer of bearing unit, and the distance between every two adjacent beams of cables up and down is controlled within 100mm, so that 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 bridge is controlled within 100mm, namely the cable bridge is a long and narrow rectangular box, so that the cable bridge occupies small space and is convenient to install, and the cable bridge is particularly suitable for laying and installing cables in a large-span lock chamber with small overhaul space; simultaneously because the utility model discloses a cable testing bridge occupation space is less, the headstock gear is maintained and is convenient for overhaul.

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. Meanwhile, in order to reduce the cleaning difficulty of the sanitation of the lock chamber and prevent sanitary dead corners, the height difference between the bottom of the cable bearing bracket and the ground is about 70mm, so that dust below the cable bridge is cleaned conveniently.

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 supporting plates 7 is 90mm, so that the heat dissipation performance of the cable can be effectively ensured;

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 bridge 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 bridge 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 bridge 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 bridge 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 bridge 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 utility model discloses a lock connection structure is located the cable testing bridge, and the cable also is located the cable testing bridge, has not only realized neatly laying of multi-beam cable, and the appearance is pleasing to the eye big side moreover, makes the lock chamber more neat pleasing to the eye.

The height of cable testing bridge can be selected according to the flexible selection of cabling quantity, and the following applies of using four bunches of cables to establish to the example concrete description and adopt the utility model discloses cable testing bridge cabling's method:

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, laying H each cable bundle on one layer of bearing unit, and binding the cables H on the arc-shaped bending sections of the bearing plate 7, so that the stability of the cables is improved;

fourthly, buckling the bridge protection cover 5.1 on the cable support bracket 4.1, wherein 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 bridge 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 bridge 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 bridge 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 bridge protection cover 5.1 on the cable bearing bracket 4.1;

then, the edges of two short sides of a second upper sealing edge 5.3 of the bridge protection cover 5.1 are fixedly connected to a 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 a second lower sealing edge 5.5 of the bridge protection cover 5.1 are fixedly connected to a 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 bridge protection cover 5.1 is improved; fig. 1 and 6 show a cable laying state diagram.

The utility model discloses a cable testing bridge is long and narrow rectangle box-shaped structure, and highly lower and the width is narrower, and occupation space is little, guarantees the width of the past passageway between cable testing bridge and the headstock gear N, and then guarantees the maintenance space of headstock gear, specifically 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 (9)

1. A cable testing bridge for large-span lock rooms, characterized in that: comprises that

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 arranged on the mounting pieces;

the cable bridge is provided with a cable bearing bracket fixedly connected to the vertical supporting assembly and a bridge protection cover buckled on the cable bearing bracket, and the cable bearing bracket and the bridge protection cover enclose a cable installation cavity for laying cables; and

a layering bearing subassembly sets up the cable installation intracavity, the bearing unit that the interval set up about the layering bearing subassembly has the multilayer, and the width of every layer of bearing unit is less than 100mm, and the difference in height of adjacent two-layer bearing unit is less than or equal to 100 mm.

2. The cable tray for large-span brake rooms according to claim 1, characterized in that: the installation part is an installation plate fixed on the ground of the lock chamber through a plurality of expansion bolts.

3. The cable tray for large-span brake rooms according to claim 1, characterized in that: the vertical supporting assembly comprises a plurality of supporting pieces which are arranged at intervals, and each mounting piece is provided with one supporting piece; the cable support bracket is fixedly connected with each supporting piece through a connecting component.

4. The cable tray for large-span brake rooms according to claim 1, characterized in that: the multiple layers of bearing units are arranged up and down in order, 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.

5. The cable tray for large-span brake rooms according to claim 4, characterized in that: each bearing piece is a bearing plate processed by galvanized flat steel.

6. The cable tray for large-span brake rooms according to claim 5, characterized in that: each supporting plate comprises a horizontal bearing section and an arc binding section, wherein the horizontal bearing section is horizontally and fixedly connected to the inner side face of the cable bearing bracket, and one end of the arc binding section is bent upwards.

7. The cable tray for large-span brake rooms according to claim 1, characterized in that: the cable support bracket and the bridge protection cover are clamped together through the buckling connection structure.

8. The cable tray for large-span brake rooms according to claim 7, characterized in that: the buckling connection structure comprises a pair of first buckling components and second buckling components which are arranged in an up-down symmetrical mode, and each 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 bridge protection cover and is lapped on the first upper sealing edge and fixedly connected together through bolts.

9. The cable tray for large-span brake rooms according to claim 8, 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

and the second lower sealing edge is horizontally arranged at the bottom of the bridge protection cover, and is lapped on the first lower sealing edge and fixedly connected together through a bolt.

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