CN218997617U - Cable bridge frame turning section structure - Google Patents

Abstract

The utility model provides a cable testing bridge turns over section structure of bending, including the cell body of bending of cross section for the U type, the cell body middle part of bending is equipped with the portion of bending, and the cell body both ends of bending are used for with the wire casing butt joint, and the cell body of bending is equipped with a plurality of horizontal poles along the cable direction of passing, and the horizontal pole outside cover has rotatable straight line grooving, is equipped with the interval space that is used for the cable to pass through between straight line grooving and the cell body inboard bottom of bending, has solved the chaotic problem of cable arrangement after the bending of groove type testing bridge is jumping from top to bottom.

Description

Cable bridge frame turning section structure

Technical Field

The utility model relates to the field of cable bridge installation for buildings, in particular to a cable bridge bending section structure.

Background

At present, in a building, a bridge is arranged at a cable position; the bridge is widely applied to building construction. The bridge frame is used as a cable laying device for standardized, serialized and generalized laying of wires, cables and pipes. The cable bridge is suitable for laying indoor and outdoor overhead cable ditches and tunnels of power cables with voltage below 10 kilovolts, control cables, illumination wiring and the like. The advantages are that: the bridge has the advantages of wide application, high strength, light structure, low cost, simple construction, flexible wiring, standard installation, attractive appearance, convenient maintenance and overhaul and the like. In the selection, the specification variety is more, for example, the cable bridge is divided into a plurality of structural forms such as a groove type, a tray type, a ladder type, a grid type and the like, and the cable bridge consists of a bracket, a bracket arm, an installation accessory and the like; therefore, the design and model selection process should reasonably select the applicable bridge frame according to the types and the quantity of cables of various professional systems of strong electricity and weak electricity.

The bridge is installed before finishing the building main body; the cable bridge is mainly divided into a main bridge and a branch bridge; the bridge is mainly installed in several ways: along roof panels, along walls horizontally and vertically, along shafts, along floors, along cable channels and pipe supports, etc. The support (hanging) frame used for installation can be finished products or self-made. The fixing mode of the support (hanging) frame mainly comprises the steps of welding on the embedded iron piece, fixing by an expansion bolt and the like. The cable bridge comprises a horizontal elbow and a horizontal tee joint, wherein the horizontal elbow and the horizontal tee joint are components in the bridge, and the horizontal tee joint, the four-way joint and the elbow are processed in advance by a manufacturer according to the schematic in a drawing; however, as the construction unit is planned in the early stage, the layout and the trend of facilities such as a cable bridge, a pipeline, an air pipe, a lamp and the like in the drawing are reasonably and comprehensively arranged by using technologies such as three-dimensional, cross and the like, the bridge can generate a vertical turning phenomenon, the turning phenomenon drawing is not designed, and the working procedure is a 'weak group' in comparison with the bridge construction; if the wind pipe is required to be wound, the drain pipe is required to be wound, the heating pipeline and the like are required to be wound; therefore, according to local conditions and on-site requirements, a bridge frame bent by 45 degrees in an up-down jumping mode is manufactured.

After the bridge or the groove-type bridge is bent up and down, the cables are difficult to straighten in the bridge, and have looseness and irregular parallel extension, so that the construction difficulty is brought to the subsequent parallel regular laying of the cables; particularly under the condition of continuous turning, the cable only linearly stretches according to the characteristics of the cable, but does not continue to travel along the path of the bridge after the upper and lower jumping and bending, so that the cable is difficult to handle in practice, the quality of the appearance is influenced, and the cover plate of the bridge is not tight, and the like.

Disclosure of Invention

The utility model provides a cable bridge bending section structure, which solves the problem of disordered cable arrangement after a groove bridge is bent up and down.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a cable testing bridge turns over curved section structure, is the cell body of bending of U type including the cross section, and the cell body middle part of bending is equipped with the portion of bending, and the cell body both ends of bending are used for with the wire casing butt joint, and the cell body of bending is equipped with a plurality of horizontal poles along the cable direction of passing, and the horizontal pole outside cover has rotatable rotary drum, is equipped with the interval space that is used for the cable to pass through between rotary drum and the cell body inboard bottom of bending.

In the preferred scheme, the bending groove body is provided with a plurality of straight line grooving perpendicular to the cable passing direction, one side of the straight line grooving is provided with a plurality of gear transverse grooves along the depth direction of the bending groove body, and two ends of the cross rod are clamped in the gear transverse grooves on two side walls of the bending groove body.

In the preferred scheme, both ends of the cross rod are threaded sections, both ends of the cross rod are sleeved with an inner end nut and an outer end nut, and the inner end nut and the outer end nut clamp the side wall of the bending groove body.

In the preferred scheme, a plurality of gear transverse grooves are further formed in the other side of the linear cutting groove along the depth direction of the bending groove body, and the gear transverse grooves in the two sides of the linear cutting groove are staggered along the depth direction of the linear cutting groove.

In the preferred scheme, the bottom of the bending groove body is provided with a bending wrap angle near the lower end of the linear cutting groove.

In the preferred scheme, the upper end of the bending groove body is provided with a cover body, and clamping blocks used for clamping the side walls of the bending groove body are arranged on two sides of the cover body.

In the preferred scheme, the opening of the linear cutting groove is provided with a repair welding block.

The beneficial effects of the utility model are as follows: arranging a plurality of cross bars in the bending wire slot along the wiring direction, enabling the cables to pass through the cross bars and the bottom of the wire slot, limiting the trend of the cables, and preventing the cables from overlapping each other or arching the top cover body; the outer side of the cross rod is sleeved with a rotary drum, the cable is pulled during threading, the rotary drum can roll, and friction force is reduced; in the preferred scheme, the installation depth of the cross rod is adjustable, so that the cable diameter is convenient to adapt.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic side view of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is a diagram showing the structure of a bending tank according to the present utility model.

Fig. 4 is a schematic view of the cap of the present utility model.

Fig. 5 is a schematic diagram of the linear kerf repair welding of the present utility model.

In the figure: bending the groove body 1; a linear slot 101; a gear cross groove 102; bending the wrap angle 103; a bending portion 104; a cover 2; a latch 201; a cross bar 3; a drum 301; an inner end nut 302; an outer end nut 303; and a cable 4.

Detailed Description

Example 1:

in fig. 1-5, a cable bridge turn-over section structure comprises a bending groove body 1 with a U-shaped cross section, a bending part 104 is arranged in the middle of the bending groove body 1, two ends of the bending groove body 1 are used for being in butt joint with a wire slot, a plurality of cross rods 3 are arranged on the bending groove body 1 along the passing direction of a cable 4, a rotatable rotary drum 301 is sleeved on the outer side of each cross rod 3, and a spacing space for the cable 4 to pass through is arranged between the rotary drum 301 and the bottom end of the inner side of the bending groove body 1.

The wire grooves are installed while threading, the common straight wire grooves are supported from the lower side through the U-shaped welding frame, the upper ends of the U-shaped welding frames are fixed on a ceiling, the straight wire grooves with height fall are connected through the turning wire grooves, cables penetrate through the spacing space between the rotary drum 301 and the bottom end of the bending groove body 1, and a plurality of cables are arranged side by side.

The linear cutting groove 101 does not need to completely compress the cable, a certain margin is reserved, the cable is only required to be pressed close to the bending trend, and the linear cutting groove 101 can rotate, so that the threading pulling is easy, and the thermal expansion and the cold contraction of the cable are also facilitated.

In the preferred scheme, the bending groove body 1 is provided with a plurality of straight line cutting grooves 101 perpendicular to the passing direction of the cable 4, one side of the straight line cutting grooves 101 is provided with a plurality of gear transverse grooves 102 along the depth direction of the bending groove body 1, and two ends of the transverse rod 3 are clamped in the gear transverse grooves 102 on two side walls of the bending groove body 1.

The cross rod 3 can be made into a standard piece, two ends of the standard piece are placed in an opening mode through the linear cutting grooves 101, and the cross rod 3 can be clamped on the gear cross grooves 102 with different depths according to different diameters of the cables 4.

In the preferred scheme, both ends of the cross rod 3 are screw thread sections, both ends of the cross rod 3 are sleeved with an inner end nut 302 and an outer end nut 303, and the inner end nut 302 and the outer end nut 303 clamp the side wall of the bending groove body 1.

The inner end nut 302 positioned at the inner side of the bending groove body 1 can be adjusted in position, so that the bending groove body 1 is prevented from being dented when the outer end nut 303 is tightly screwed to clamp the side wall of the bending groove body 1.

The structure of thick middle and thin screw sections at two ends can also be made, and two nuts are reduced.

In a preferred scheme, a plurality of gear transverse grooves 102 are further formed in the other side of the linear cutting groove 101 along the depth direction of the bending groove body 1, and the gear transverse grooves 102 on two sides of the linear cutting groove 101 are staggered along the depth direction of the linear cutting groove 101.

The gear cross grooves 102 which are arranged in a staggered manner can enable the gear interval in the depth direction to be smaller, the gears are denser, and the adjusting position of the cross rod 3 with the diameter of the cable 4 more accurate is facilitated.

In a preferred scheme, a bending wrap angle 103 is arranged at the bottom end of the bending groove body 1 near the lower end of the linear cutting groove 101.

Since the bending groove body 1 cuts the straight line groove 101, the bending strength is low and the bending groove is easy to break, and the L-shaped bending wrap angle 103 is welded at the lower end of the straight line groove 101 to strengthen the bending wrap angle.

In the preferred scheme, the upper end of the bending groove body 1 is provided with a cover body 2, and two sides of the cover body 2 are provided with clamping blocks 201 used for clamping the side wall of the bending groove body 1.

The cover body 2 plays a role in shielding dust, and the clamping blocks 201 are tightly attached to the outer wall of the bending groove body 1, so that the cover body is convenient to buckle.

In a preferred embodiment, repair welding blocks 5 are arranged at the openings of the linear cutting grooves 101.

After the cross rod 3 and the rotary cylinder 301 are installed and inserted into the linear cutting groove 101, the repair welding block 5 is welded, so that the strength of the opening of the linear cutting groove 101 is enhanced.

Example 2:

the self-made cable bridge is bent up and down, the height and the length between the two side bridges are measured firstly, the angle of the bridge, which needs to be bent, is calculated, then a section of horizontal bridge is found, the measuring tool is used for positioning and drawing lines according to the length and the angle for cutting, after cutting, the bending (bending out corresponding angle) is performed on the inner side for spot welding and fixing, burr coating is polished cleanly, the outer side is smooth, the gap is as small as possible, and the saw cut is smooth and neat.

The butt joint of the cable bridge frame cutting part has no wrong edges, the butt joint part after welding is polished smoothly and smoothly, and the edges and corners such as burrs, sharp edges and the like which damage the cable insulation layer are avoided.

When reinforcing steel bars are added in the tray type cable bridge, phi 6-8MM round steel is adopted, and paint should be brushed on the inner side and the outer side. Before painting, the coating and welding slag should be cleaned.

After the self-made tee joint and the elbow of the multi-layer cable bridge are installed, the bending angle is on a vertical straight line.

After all self-made elbows are manufactured, the cutting, polishing and welding positions are painted with antirust paint, and then the bridge frame is painted with finishing paint with the same color.

Manufacturing illustration of upper and lower jumping bend 45 degree elbow, fig. 3 manufacturing of horizontal jumping bend 45 degree elbow.

The cables in the bridge are fixed in groups by using a cable clamping belt or a metal cable clamp. For a horizontally laid cable, a fixed point is usually made every 2m or so; the cable laid vertically should be fixed every 1-1.5 m, and the end with varying elevation should be fixed.

When the cables in the cable bridge are vertically laid, the upper ends of the cables and the positions at intervals of 1.5 meters are fixed on the support of the bridge, and when the cables are horizontally laid, the first, the last, the turning and the positions at intervals of 3-5 meters are fixed.

In the case of crosslinked cables and full plastic cables, it is usual to use them. Applying a roller to the linear portion of the pallet during construction; and the roller is used for assisting paying off at the turning position or at a proper position so as to reduce friction between the cable and the tray, thereby playing a role in protecting the cable sheath. When the cable is led to the electric equipment from the main bracket, a narrow tray or a steel pipe is preferably selected for supporting protection.

The cables in the cable bridge tray are fixed by a clamp or nylon binding tape. The fixed distance is l.5-3 m, and the large-section single-core cable of the same power loop is preferably fixed in a shape like a Chinese character 'wei'. The single-core cable cannot be bound by the iron clamp so as not to generate vortex to cause high temperature damage to insulation.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (7)

1. A cable bridge turns over the curved section structure, characterized by: including bending cell body (1) that the cross section is the U type, bending cell body (1) middle part is equipped with bending portion (104), and bending cell body (1) both ends are used for with the wire casing butt joint, and bending cell body (1) is equipped with a plurality of horizontal poles (3) along cable (4) direction of passing through, and horizontal pole (3) outside cover has rotatable rotary drum (301), is equipped with the interval space that is used for cable (4) to pass through between rotary drum (301) and the inboard bottom of bending cell body (1).

2. The cable tray turn-over section structure according to claim 1, wherein: the bending groove body (1) is provided with a plurality of straight line cutting grooves (101) perpendicular to the passing direction of the cable (4), one side of the straight line cutting grooves (101) is provided with a plurality of gear transverse grooves (102) along the depth direction of the bending groove body (1), and two ends of the cross rod (3) are clamped in the gear transverse grooves (102) on two side walls of the bending groove body (1).

3. The cable tray turn-over section structure according to claim 2, wherein: the two ends of the cross rod (3) are threaded sections, the two ends of the cross rod (3) are sleeved with an inner end nut (302) and an outer end nut (303), and the inner end nut (302) and the outer end nut (303) clamp the side wall of the bending groove body (1).

4. The cable tray turn-over section structure according to claim 2, wherein: the other side of the linear cutting groove (101) is also provided with a plurality of gear transverse grooves (102) along the depth direction of the bending groove body (1), and the gear transverse grooves (102) on the two sides of the linear cutting groove (101) are staggered along the depth direction of the linear cutting groove (101).

5. The cable tray turn-over section structure according to claim 2, wherein: a bending wrap angle (103) is arranged at the bottom end of the bending groove body (1) close to the lower end of the linear cutting groove (101).

6. The cable tray turn-over section structure according to claim 1, wherein: the upper end of the bending groove body (1) is provided with a cover body (2), and clamping blocks (201) used for clamping the side wall of the bending groove body (1) are arranged on two sides of the cover body (2).

7. The cable tray turn-over section structure according to claim 2, wherein: the opening of the linear cutting groove (101) is provided with a repair welding block (5).

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