CN213341519U

CN213341519U - Cable bridge for turnout

Info

Publication number: CN213341519U
Application number: CN202022649672.9U
Authority: CN
Inventors: 余锋; 牛均宽; 张宁; 胡爱锋; 霍育锋
Original assignee: China Railway Baoji Bridge Group Co Ltd
Current assignee: China Railway Baoji Bridge Group Co Ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-01
Anticipated expiration: 2030-11-17

Abstract

The cable bridge for the turnout is provided, and comprises a short bridge supporting plate, a long bridge supporting plate and a turning box type bridge supporting plate, wherein any two bridge supporting plates are connected into a whole through a U-shaped connecting bracket; the U-shaped connecting bracket is provided with a bridge connecting plate fixedly connected with a turnout; the lower end of the bridge connecting plate is hinged with two groups of parallel upper connecting hanging racks; the upper connecting hanging frame is screwed with the upper end of the adjusting screw rod; the lower end of the adjusting screw is screwed and connected with a lower connecting hanging rack which is hinged with a U-shaped underframe; the middle part of the adjusting screw rod is screwed with the locking nut; the U-shaped bottom frames are used for fixedly connecting any two bridge supporting plates, and a turnable gap t is reserved between the two groups of U-shaped bottom frames. The utility model can move along with the turning of the turnout when the cable bridge is used; meanwhile, the installation height of the cable bridge can be leveled through the adjusting screw rod and locked by the locking nut. Adjustable, can turn over, manufacturing process is simple, and structure safe and reliable, the wiring is neat one, and it is convenient to overhaul and maintain.

Description

Cable bridge for turnout

Technical Field

The utility model belongs to the technical field of electricity transformer distribution protects the installation of cable or electric wire on fixed building, concretely relates to cable testing bridge for switch, arrangement and installation of electric cable, signal cable, communication cable in the mainly used switch structure.

Background

At present, the cable bridge is mainly used for fixedly mounting various cables in structural parts, and is favorable for standardizing the arrangement of the cables, so that the utilization rate of the cables can be effectively improved. The main structural form of the cable bridge is structural requirements such as tray type and groove type, and the cable bridge adopts metal or nonmetal materials and carries out corresponding surface treatment according to different use environment requirements. The cable bridge frame is composed of supporting frame, supporting plate, connecting device and accessories. Under the prior art, general cable testing bridge installation and structure installation form are fixed form, can't satisfy the rotation demand when the switch structure turns, according to the structure practical characteristics to the cable testing bridge that a publication number is CN210838805U provides has the isolating groove for example, and it includes electric connection testing bridge and division board. The isolating plate is vertically installed on the inner wall of the bottom of the cable bridge, and the upper cover plate and the lower cover plate are fixed through the fixed sliding grooves. The cable bridge structure is an integral fixed structure, and the requirements of rotation, turning and adjustment of the cable bridge along with a fixed frame such as a turnout cannot be met. The purpose of this patent design provides a structure safe and reliable, simple, the adjustable, the cable testing bridge structure for switch that can turn over of manufacturing process, and this cable testing bridge structure can be in monorail switch and magnetism suspension switch cable installation use, during the use, the utility model discloses the cable testing bridge install under the switch bottom surface can.

Disclosure of Invention

The utility model provides a technical problem: providing a cable bridge for a turnout, wherein the cable bridge can perform turning movement along with the turning of the turnout in the use process; meanwhile, the installation height of the cable bridge can be leveled through the adjusting screw rod and locked by the locking nut. The cable bridge structure for the turnout is safe and reliable in structure, simple in manufacturing process, adjustable and rotatable.

The utility model adopts the technical proposal that: a cable bridge for a switch comprises a short bridge supporting plate, a long bridge supporting plate and a turning box type bridge supporting plate; the method is characterized in that: any two bridge support plates of the short bridge support plate, the long bridge support plate and the turning box type bridge support plate can be turned and turned through the U-shaped connecting bracket and can be leveled and connected into a whole; wherein the U-shaped connecting bracket is provided with a bridge connecting plate; the upper end of the bridge connecting plate is fixedly connected with turnouts, and the lower end of the bridge connecting plate is hinged with two groups of parallel upper connecting hangers; two groups of parallel upper connecting hanging racks are respectively screwed on the upper ends of the leveling connecting adjusting screws; the lower ends of the two groups of adjusting screws are respectively screwed with a lower connecting hanging rack which can be leveled, and the two groups of lower connecting hanging racks are respectively hinged with the U-shaped underframe; locking nuts are respectively screwed and fittingly installed in the middle parts of the two groups of upper and lower connecting hangers and the two groups of adjusting screws; the two groups of U-shaped bottom frames are respectively used for fixedly connecting any two bridge support plates among the short bridge support plate, the long bridge support plate and the turning box type bridge support plate, and a turnable gap t is reserved between the two groups of U-shaped bottom frames.

In the above technical solution, further: the U-shaped underframe is provided with a horizontal U-shaped part extending along the width direction of the cable bridge, and vertical U-shaped connecting pieces are respectively arranged at the left end and the right end of the horizontal U-shaped part perpendicular to the width direction of the horizontal U-shaped part.

In the above technical solution, further: the short bridge support plate, the long bridge support plate and the turning box type bridge support plate are respectively provided with a plurality of clapboards extending along the length direction of the cable bridge; the number of the partition plates is at least two; and the bottom ends of the horizontal supporting plates of the short bridge supporting plate, the long bridge supporting plate and the turning box type bridge supporting plate are provided with threading holes; the threading hole is provided with a rubber edge sealing rubber strip for protecting the cable.

In the above technical solution, further: the upper connecting hanging frame and the lower connecting hanging frame are respectively provided with a U-shaped part with enough thickness, and the horizontal part of the U-shaped part is provided with an internal thread through hole; the internal thread through hole is screwed and matched with the adjusting screw rod in a matching mode, and an opening of the upper end of the U-shaped piece, which is parallel to the vertical part, is hinged with the bridge connecting plate or the U-shaped underframe.

In the above technical solution, further: the short bridge support plate, the long bridge support plate and the turning box type bridge support plate are all of a tray type groove structure, and structural components of the bridge support plate are made of sheet metal parts through compression.

In the above technical solution, preferably: the sheet metal part is a corrosion-resistant stainless steel plate, a galvanized plate or a titanium alloy plate.

In the above technical solution, further: the turning box type bridge support plate is used for passing the line at the connection position of the turnout beam; the turning box type bridge support plate is integrally formed by bolting three groups of components including an end reducing bracket, a middle connecting bracket and an end connecting bracket by using bolts so as to be integrally disassembled; the middle connecting bracket is provided with an upper cover plate, a side cover plate and a bottom plate which can be detached independently.

The utility model has the advantages compared with the prior art:

1. the utility model is mainly used for the arrangement and installation of electric cables, signal cables and communication cables in the turnout structure; the cable bridge can be installed and used with single-track turnout and magnetic suspension turnout cables. During the use, the utility model discloses the cable testing bridge install under the switch bottom surface can. In the using process, the installation height of the cable bridge can be leveled through the adjusting screw rod and locked by the locking nut; meanwhile, the cable bridge can perform turning motion along with the turning of the turnout; the folding type adjustable folding chair is bendable, adjustable, simple in manufacturing process and safe and reliable in structure.

2. The utility model has the advantages that a turning gap t is left between two groups of upper connecting hanging frames 4-2, two groups of adjusting screw rods 4-3, two groups of lower connecting hanging frames 4-4, two groups of U-shaped bottom frames 4-5, two groups of locking nuts 4-6 and two groups of U-shaped bottom frames 4-5; the structural clearance t meets the follow-up rotation requirement of the cable bridge and the turnout during turnout turning; when the turnout is turned, any two adjacent cable bridges move along with the turnout, and a turning space is provided for the turning of the two adjacent short bridge support plates 1 or long bridge support plates 2 and the turning box type bridge support plate 3.

3. The rotating U-shaped connecting bracket 4 of the utility model is provided with an adjusting device, an adjusting screw 4-3 of the adjusting device can facilitate the leveling of a U-shaped bottom bracket 4-5 of a cable bridge, and the adjusting screw 4-3 uses different lengths according to different regional scenes; the U-shaped bottom frame 4-5 of the cable bridge can be locked after being leveled by using locking nuts 4-6 to abut against upper or lower connecting hangers (4-2, 4-4) of the U-shaped connecting bracket 4.

4. When the utility model is used for laying the electric coupler, the short bridge supporting plate 1, the long bridge supporting plate 2 and the turning box type bridge supporting plate 3 are combined and used randomly and the U-shaped connecting bracket 4 is connected and used in a subsection way; any two groups of bridge supporting plates are not directly connected, but are connected into a whole by the U-shaped bottom frames 4-5 of the U-shaped connecting brackets 4 in a segmented manner, turning gaps t are arranged between the U-shaped bottom frames 4-5 of the adjacent U-shaped connecting brackets 4, and the two adjacent bridge supporting plates can move along with the turning of the turnout.

5. The utility model discloses a tray groove formula structure sets up intermediate bottom 101 and makes things convenient for the cable to have no interference to arrange, and several regions are cut apart into in the baffle will the crane span structure layer board, can arrange the multiunit cable.

6. A threading hole 102 for threading in and out of any bridge support plate is provided with a rubber edge sealing rubber strip 103, so that the cable can be effectively protected.

7. The cable can be stored, connected and overhauled for any bridge supporting plate of the sheet metal part; the turning box type bridge support plate 3 can be overhauled in the middle position, and after the cable is installed, the turning box type bridge support plate is integrally disassembled, so that the cable is convenient to inspect and maintain.

8. The turning box type bridge frame supporting plate 3 is a box type mounting structure and is formed by bolting three groups of components; the turnout beam connecting device is mainly used for passing cables at the connecting positions of two groups of turnout beams. When the cable is overhauled, the U-shaped connecting frames 4 at two ends of the turning box type bridge support plate 3 are disassembled firstly, the turning box type bridge support plate 3 is integrally disassembled from the cable bridge, and then the upper cover plate 301 of the middle connecting bracket 3-2 is disassembled to overhaul the line; the turning box type bridge support plate 3 is also provided with a wire groove partition plate, the internal structure of the turning box type bridge support plate is consistent with that of other bridge structures, and the turning box type bridge support plate is convenient for orderly wiring.

Drawings

Fig. 1 is a schematic perspective view of the U-shaped connecting bracket of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a side view of fig. 1.

FIG. 4 is a front view of a short bridge pallet and a long bridge pallet connected in sections using U-shaped connecting brackets.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a side view of fig. 4.

Fig. 7 is a front view of a short bridge pallet, a turning box type bridge pallet, and a long bridge pallet connected in sections using U-shaped connecting brackets.

Fig. 8 is a top view of fig. 7.

Fig. 9 is a side view of fig. 7.

FIG. 10 is a simplified front view of a short bridge pallet section connected to a long bridge pallet section using U-shaped connecting brackets.

Fig. 11 is a top view of fig. 10 with a partition and a thread-closing hole.

FIG. 12 is a longitudinal sectional view of the rubber edge banding strip.

Fig. 13 is a front view of a transition box tray being connected in sections using U-shaped connecting brackets.

Fig. 14 is an enlarged detail view of part i of fig. 13.

Fig. 15 is an enlarged detail view of part ii of fig. 13.

Fig. 16 is a perspective view of the bridge pallet with the hinge box type integrally disassembled.

In the figure: 1-short bridge supporting plate, 2-long bridge supporting plate, 3-turning box type bridge supporting plate, 4-U-shaped connecting bracket, 4-1 bridge connecting plate, 4-2 upper connecting hanger, 4-3 adjusting screw, 4-4 lower connecting hanger, 4-5U-shaped underframe, 4-6 locking nut, 4-51 horizontal U-shaped part, 4-52 vertical U-shaped connecting piece, 101-partition plate, 102-threading hole, 103-rubber edge sealing rubber strip, 3-1 end part reducing bracket, 3-2 middle connecting bracket, 3-3 end part connecting bracket, 301-upper cover plate, 302-side cover plate and 303-bottom plate.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 1-16.

The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The following examples are only a part of the present invention, and not all of them. The components and materials used in the following examples are commercially available unless otherwise specified.

In the present invention, unless otherwise specified or limited, all terms of orientation including "upper, lower, left, right, inner, outer, top, bottom, vertical, horizontal" and the like in terms of the term are used only to indicate the orientation of the term in the conventional usage state, or to facilitate the description of the present invention and simplify the description, or to be a common term understood by those skilled in the art, and should not be construed as a limitation of the technical solution unless otherwise specified or limited.

In addition, in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection, and a mechanical connection; may be directly connected or may be indirectly connected through other intermediate members. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention should be understood in a specific context.

The utility model provides a cable testing bridge for switch, the utility model discloses an improvement lies in: comprises a short bridge frame supporting plate 1, a long bridge frame supporting plate 2 and a turning box type bridge frame supporting plate 3; any two bridge support plates of the short bridge support plate 1, the long bridge support plate 2 and the turning box type bridge support plate 3 can be turned and turned through the U-shaped connecting bracket 4 and can be leveled into a whole. Specifically, as shown in fig. 4 and 5, the embodiment is that the short bridge supporting plate 1 and the long bridge supporting plate 2 are connected into a whole by using the U-shaped connecting bracket 4 which can be turned and leveled; fig. 7 and 8 are schematic diagrams of an embodiment in which a short bridge pallet 1 is first connected to the left end of a hinged box-type bridge pallet 3 in a rotatable and levelable manner by using a U-shaped connecting bracket 4; meanwhile, the right side of the turning box type bridge supporting plate 3 can be turned and connected with the long bridge supporting plate 2 in a leveling way through the U-shaped connecting bracket 4.

Wherein the U-shaped connecting bracket 4 (shown in figures 1-3) has a bridge connecting plate 4-1; the bridge connecting plate 4-4 is provided with mounting holes for fixedly connecting the upper end of the bridge connecting plate 4-1 with turnouts.

The lower ends of the bridge connecting plates 4-1 are hinged with two groups of parallel upper connecting hangers 4-2. The relative rotation of the upper connecting hanger 4-2 relative to the bridge connecting plate 4-1 is realized through a hinge element.

Two groups of parallel upper connecting hanging frames 4-2 are respectively screwed with the upper ends of the leveling connecting adjusting screws 4-3; the length of the upper end of the adjusting screw rod 4-3 connected with the upper connecting hanging rack 4-2 can be adjusted by rotating the adjusting screw rod 4-3.

The lower ends of the two groups of adjusting screw rods 4-3 are respectively screwed and connected with the lower connecting hanging rack 4-4 in an adjustable and flat manner, and similarly, the length distance between the lower ends of the adjusting screw rods 4-3 and the lower connecting hanging rack 4-4 can be adjusted by screwing the adjusting screw rods 4-3.

The two groups of lower connecting hanging racks 4-4 are respectively hinged with U-shaped bottom racks 4-5; similarly, when the adjusting screw 4-3 is adjusted, the leveling adjustment process of the U-shaped base 4-5 can be realized.

The middle parts of the two groups of upper and lower connecting hangers 4-2 and 4-4 and the two groups of adjusting screws 4-3 are respectively screwed and matched with and provided with locking nuts 4-6. After leveling treatment, the locking nuts 4-6 are screwed down, the locking nuts 4-6 are tightly attached to the outer horizontal end faces of the upper and lower connecting hanging racks (4-2, 4-4), and then the positions of the adjusting screws 4-3 can be locked.

The two groups of U-shaped bottom frames 4-5 are respectively used for fixedly connecting any two bridge support plates (such as fig. 7, fig. 8 or fig. 4 and fig. 5) of the short bridge support plate 1, the long bridge support plate 2 and the turning box type bridge support plate 3, and a turning gap t is reserved between the two groups of U-shaped bottom frames 4-5. The reserved turning gap t can realize the turning swing of any two adjacent short bridge support plates 1, long bridge support plates 2 and turning box type bridge support plates 3 after being assembled.

In the above embodiment, further: the U-shaped bottom frame 4-5 (shown in figure 1) is provided with a horizontal U-shaped part 4-51 extending along the width direction of the cable bridge frame, and the horizontal U-shaped part 4-51 can be directly made of U-shaped steel and is made of easily available materials. Vertical U-shaped connecting pieces 4-52 are respectively arranged at the left end and the right end of the horizontal U-shaped part 4-51 in the width direction, which are vertical to the horizontal U-shaped part 4-51. The vertical U-shaped connecting pieces 4-52 can increase the connecting strength of the U-shaped bottom frame 4-5 and any bridge supporting plate.

In the above embodiment, further: the short bridge support plate 1, the long bridge support plate 2 and the turning box type bridge support plate 3 are respectively provided with a plurality of clapboards 101 (shown in figures 5 and 8) extending along the length direction of the cable bridge; the partition plate 101 has at least two; to divide the cable tray into at least three zones. Each area is independently wired, and the wiring neatness and the noninterference are improved.

In addition, the bottom ends of the horizontal supporting plates of the short bridge supporting plate 1, the long bridge supporting plate 2 and the turning box type bridge supporting plate 3 are provided with threading holes 102 (as shown in fig. 11); the threading hole 102 is used for threading in and out of a cable. The threading hole 102 is provided with a rubber edge sealing rubber strip 103 (shown in fig. 12) for protecting the cable. The rubber edge sealing rubber strip 103 is used for protecting the metal cable from abrasion.

In the above embodiment, further: the upper and lower connecting hanging frames (4-2, 4-4) are respectively provided with a U-shaped part with enough thickness, and the horizontal part of the U-shaped part is provided with an internal thread through hole; the internal thread through hole is screwed and matched with the adjusting screw rod 4-3, and the upper end of the U-shaped piece is hinged with the bridge connecting plate 4-1 or the U-shaped bottom frame 4-5 in parallel with the opening of the vertical part. The U-shaped chassis 4-5 can rotate relative to the bridge connecting plate 4-1 and the fixed turnout through the hinge.

In the above embodiment, further: the short bridge support plate 1, the long bridge support plate 2 and the turning box type bridge support plate 3 are all of a tray type groove structure and used for orderly routing, and structural components of the bridge support plate are made of sheet metal parts through compression. And the sheet metal part is molded, so that the maintenance and the disassembly are convenient. In addition, the sheet metal part has the characteristics of light weight, high strength, low cost, good large-scale mass production performance and the like, and can be used for electromagnetic shielding.

In the above embodiment, preferably: the sheet metal part is a corrosion-resistant stainless steel plate, a galvanized plate or a titanium alloy plate. So as to improve the corrosion resistance of the material and prolong the service life of the material.

In the above embodiment, further: the turning box type bridge support plate 3 is used for passing the line at the connection position of the turnout beam.

The turning box type bridge support plate 3 (shown in figures 13 and 16) is integrally formed by bolting three groups of components, namely an end reducing bracket 3-1, a middle connecting bracket 3-2 and an end connecting bracket 3-3, into a whole by using bolts so as to be integrally disassembled; the turning box type bridge support plate 3 is integrally detached from the short bridge support plate 1 and the long bridge support plate 2 shown in fig. 13 by detaching the U-shaped connecting brackets 4 at the left end and the right end of the turning box type bridge support plate 3, so that the installation and the maintenance are convenient.

The intermediate connecting bracket 3-2 has an upper cover plate 301, a side cover plate 302, and a bottom plate 303 which are individually detachable. The upper cover plate 301 or the bottom plate 303 can be independently disassembled to realize the overhaul and maintenance of the circuit.

It should be noted that: the cable bridge structure components, namely a short bridge supporting plate 1, a long bridge supporting plate 2 and a turning box type bridge supporting plate 3 can realize turning movement relative to the track beam through a U-shaped connecting bracket 4; i.e. one end is fixed and the other end can be rotated or deflected around the fixed end. In addition, the cable bridge structure components, namely the short bridge supporting plate 1, the long bridge supporting plate 2, the turning box type bridge supporting plate 3 and the U-shaped connecting bracket 4 are the main connecting structure of the turnout cable bridge, and the main connecting structure is not limited to the extension of the length of the turnout cable bridge and the extension of each connecting function when in use. Any two of the two can be used in combination or independently, and the requirements of cable fixing and turning can be met.

From the above description it can be found that: the utility model is mainly used for the arrangement and installation of electric cables, signal cables and communication cables in the turnout structure; the cable bridge can be installed and used with single-track turnout and magnetic suspension turnout cables. During the use, the utility model discloses the cable testing bridge install under the switch bottom surface can. In the using process, the installation height of the cable bridge can be leveled through the adjusting screw rod and locked by the locking nut; meanwhile, the cable bridge can perform turning motion along with the turning of the turnout; the folding type adjustable folding chair is bendable, adjustable, simple in manufacturing process and safe and reliable in structure.

The utility model has the advantages that a turning gap t is left between two groups of upper connecting hanging frames 4-2, two groups of adjusting screw rods 4-3, two groups of lower connecting hanging frames 4-4, two groups of U-shaped bottom frames 4-5, two groups of locking nuts 4-6 and two groups of U-shaped bottom frames 4-5; the structural clearance t meets the follow-up rotation requirement of the cable bridge and the turnout during turnout turning; when the turnout is turned, any two adjacent cable bridges move along with the turnout, and a turning space is provided for the turning of the two adjacent short bridge support plates 1 or long bridge support plates 2 and the turning box type bridge support plate 3.

The rotating U-shaped connecting bracket 4 of the utility model is provided with an adjusting device, an adjusting screw 4-3 of the adjusting device can facilitate the leveling of a U-shaped bottom bracket 4-5 of a cable bridge, and the adjusting screw 4-3 uses different lengths according to different regional scenes; the U-shaped bottom frame 4-5 of the cable bridge can be locked after being leveled by using locking nuts 4-6 to abut against upper or lower connecting hangers (4-2, 4-4) of the U-shaped connecting bracket 4.

When the utility model is used for laying the electric coupler, the short bridge supporting plate 1, the long bridge supporting plate 2 and the turning box type bridge supporting plate 3 are combined and used randomly and the U-shaped connecting bracket 4 is connected and used in a subsection way; any two groups of bridge supporting plates are not directly connected, but are connected into a whole by the U-shaped bottom frames 4-5 of the U-shaped connecting brackets 4 in a segmented manner, turning gaps t are arranged between the U-shaped bottom frames 4-5 of the adjacent U-shaped connecting brackets 4, and the two adjacent bridge supporting plates can move along with the turning of the turnout.

The utility model discloses a tray groove formula structure sets up intermediate bottom 101 and makes things convenient for the cable to have no interference to arrange, and several regions are cut apart into in the baffle will the crane span structure layer board, can arrange the multiunit cable.

The utility model discloses the through wires hole 102 of arbitrary crane span structure layer board business turn over line usefulness is equipped with rubber banding adhesive tape 103, can carry out effectual protection to the cable.

The utility model discloses an arbitrary crane span structure layer board of sheet metal component can realize the depositing, connecting and maintaining of cable; the turning box type bridge support plate 3 can be overhauled in the middle position, and after the cable is installed, the turning box type bridge support plate is integrally disassembled, so that the cable is convenient to inspect and maintain.

The turning box type bridge frame supporting plate 3 of the utility model is a box type mounting structure and is formed by bolting three groups of components; the turnout beam connecting device is mainly used for passing cables at the connecting positions of two groups of turnout beams. When the cable is overhauled, the U-shaped connecting frames 4 at two ends of the turning box type bridge support plate 3 are disassembled firstly, the turning box type bridge support plate 3 is integrally disassembled from the cable bridge, and then the upper cover plate 301 of the middle connecting bracket 3-2 is disassembled to overhaul the line; the turning box type bridge support plate 3 is also provided with a wire groove partition plate, the internal structure of the turning box type bridge support plate is consistent with that of other bridge structures, and the turning box type bridge support plate is convenient for orderly wiring.

In conclusion, the cable bridge can perform turning motion along with the turning of the turnout in the use process; meanwhile, the installation height of the cable bridge can be leveled through the adjusting screw rod and locked by the locking nut. Adjustable, can turn over, manufacturing process is simple, and structure safe and reliable, the wiring is neat one, and it is convenient to overhaul and maintain.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description is described in terms of one embodiment, this embodiment does not include only a single embodiment, but such description is merely for clarity, and those skilled in the art will recognize that the embodiments described in this embodiment can be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A cable bridge for a switch comprises a short bridge supporting plate (1), a long bridge supporting plate (2) and a turning box type bridge supporting plate (3); the method is characterized in that: any two bridge support plates of the short bridge support plate (1), the long bridge support plate (2) and the turning box type bridge support plate (3) can be turned and turned through a U-shaped connecting bracket (4) and can be leveled into a whole; wherein the U-shaped connecting bracket (4) is provided with a bridge connecting plate (4-1); the upper end of the bridge connecting plate (4-1) is fixedly connected with turnouts, and the lower end of the bridge connecting plate (4-1) is hinged with two groups of parallel upper connecting hangers (4-2); two groups of parallel upper connecting hanging racks (4-2) are respectively screwed on the upper ends of the leveling connecting adjusting screws (4-3); the lower ends of the two groups of adjusting screws (4-3) are respectively screwed with lower connecting hanging racks (4-4) capable of being leveled, and the two groups of lower connecting hanging racks (4-4) are respectively hinged with a U-shaped underframe (4-5); locking nuts (4-6) are respectively screwed and fittingly installed in the middle parts of the two groups of upper and lower connecting hangers (4-2 and 4-4) and the two groups of adjusting screws (4-3); the two groups of U-shaped bottom frames (4-5) are respectively used for fixedly connecting any two bridge support plates of the short bridge support plate (1), the long bridge support plate (2) and the turning box type bridge support plate (3), and a turning gap t is reserved between the two groups of U-shaped bottom frames (4-5).

2. The switch cable tray of claim 1, wherein: the U-shaped underframe (4-5) is provided with a horizontal U-shaped part (4-51) extending along the width direction of the cable bridge, and vertical U-shaped connecting pieces (4-52) are respectively arranged at the left end and the right end of the horizontal U-shaped part (4-51) perpendicular to the horizontal U-shaped part (4-51) in the width direction.

3. The switch cable tray of claim 1, wherein: the short bridge support plate (1), the long bridge support plate (2) and the turning box type bridge support plate (3) are respectively provided with a plurality of clapboards (101) extending along the length direction of the cable bridge; the number of the partition boards (101) is at least two; and the bottom ends of the horizontal supporting plates of the short bridge supporting plate (1), the long bridge supporting plate (2) and the turning box type bridge supporting plate (3) are provided with threading holes (102); the threading hole (102) is provided with a rubber edge sealing rubber strip (103) for protecting the cable.

4. The switch cable tray of claim 1, wherein: the upper and lower connecting hanging frames (4-2, 4-4) are respectively provided with a U-shaped part with enough thickness, and the horizontal part of the U-shaped part is provided with an internal thread through hole; the internal thread through hole is screwed and matched with an adjusting screw rod (4-3), and an opening of the upper end of the U-shaped part parallel to the vertical part is hinged with a bridge frame connecting plate (4-1) or a U-shaped bottom frame (4-5).

5. The switch cable tray of claim 1, wherein: the short bridge supporting plate (1), the long bridge supporting plate (2) and the turning box type bridge supporting plate (3) are all of a tray type groove structure, and structural components of the bridge supporting plate are made of sheet metal parts through compression.

6. The switch cable tray of claim 5, wherein: the sheet metal part is a corrosion-resistant stainless steel plate, a galvanized plate or a titanium alloy plate.

7. The switch cable tray of claim 1, wherein: the turning box type bridge support plate (3) is used for passing a line at the connection position of the turnout beam; the turning box type bridge support plate (3) is formed by bolting three groups of components, namely an end reducing bracket (3-1), a middle connecting bracket (3-2) and an end connecting bracket (3-3), into a whole by using bolts so as to be integrally disassembled; the middle connecting bracket (3-2) is provided with an upper cover plate (301), a side cover plate (302) and a bottom plate (303) which can be detached independently.