CN111614029A

CN111614029A - Cable bridge assembly and cable bridge

Info

Publication number: CN111614029A
Application number: CN202010363153.8A
Authority: CN
Inventors: 李发涛
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-09-01
Anticipated expiration: 2040-04-30
Also published as: CN111614029B

Abstract

The utility model provides a cable bridge rack subassembly and cable bridge rack belongs to the crane span structure field. The cable bridge assembly comprises a first splicing rod, a second splicing rod, a plurality of support rods and a plurality of connecting structures; the first splicing rods and the second splicing rods are arranged at intervals in a coplanar manner, one ends of the plurality of supporting rods are connected with the first splicing rods, and the other ends of the plurality of supporting rods are connected with the second splicing rods; the end surfaces of the two ends of the first splicing rod and the end surfaces of the two ends of the second splicing rod are respectively provided with a first right-prism-shaped lug, and each first right-prism-shaped lug is provided with a connecting structure; the connecting structure comprises a first connecting cylinder and an ear plate located at one end of the first connecting cylinder, the cross section of the inner wall of the first connecting cylinder is square, the first connecting cylinder is detachably connected with a first prismatic convex block, a plurality of cable bridge assemblies can rotate in a horizontal plane or a vertical plane after being hinged through the ear plate, the cable bridge assemblies are enabled to turn, the angle can be flexibly adjusted, and the mounting is convenient.

Description

Cable bridge assembly and cable bridge

Technical Field

The present disclosure relates to the field of bridges, and more particularly, to a cable bridge assembly and a cable bridge.

Background

Cable trays are rack structures used to route electrical cables, optical cables, and the like, and are typically located within a pipe gallery or building to provide support for the cables.

Cable trays are also not generally straight, and can also be turned, as the cables need to be turned while being laid. In the related art, the cable tray is usually of a welded structure, i.e., the cable tray is welded by various rod members to form a surface for arranging cables, and the bent rod members are welded at places where the cable tray needs to turn. The shape of the cable tray is fixed after the welding is completed.

When the cable bridge is laid, the cable bridge usually has a turn in a horizontal plane and a turn in a vertical plane, rod pieces in different shapes need to be arranged for welding according to the turn angle and direction during manufacturing, and the manufacturing process is complex.

Disclosure of Invention

The embodiment of the disclosure provides a cable bridge rack assembly and a cable bridge rack, which can facilitate the manufacture of the cable bridge rack. The technical scheme is as follows:

in one aspect, embodiments of the present disclosure provide a cable bridge rack assembly, which includes a first splicing bar, a second splicing bar, a plurality of support bars, and a plurality of connection structures;

the first splicing rods and the second splicing rods are arranged at intervals in a coplanar manner, one ends of the supporting rods are connected with the first splicing rods, and the other ends of the supporting rods are connected with the second splicing rods;

the end faces of the two ends of the first splicing rod and the end faces of the two ends of the second splicing rod are respectively provided with a first right-prism-shaped lug, the end faces of the first right-prism-shaped lugs are square, and each first right-prism-shaped lug is provided with one connecting structure;

the connecting structure comprises a first connecting cylinder with one closed end and one open end and an ear plate located at one closed end of the first connecting cylinder, the cross section of the inner wall of the first connecting cylinder is square, the first connecting cylinder is detachably connected with the first prismatic lug, the first connecting cylinder has a first connecting state and a second connecting state, if the first connecting cylinder is in the first connecting state, the first connecting cylinder is sleeved on the first prismatic lug, the ear plate is parallel to the first splicing rod and the plane where the second splicing rod is located, if the first connecting cylinder is in the second connecting state, the first connecting cylinder is sleeved on the first prismatic lug, and the ear plate is perpendicular to the plane where the first splicing rod and the second splicing rod are located.

Optionally, a side wall of the first rectangular prism bump has a first connection hole, a side wall of the first connection barrel has two second connection holes, the two second connection holes are respectively located on two mutually perpendicular side walls of the first connection barrel, if the first connection barrel is in the first connection state, the first connection hole is aligned with one of the two second connection holes, and if the first connection barrel is in the second connection state, the first connection hole is aligned with the other of the two second connection holes; or,

the side wall of the first right-angle prism lug is provided with two first connecting holes, the two first connecting holes are respectively positioned on the two side walls which are perpendicular to each other of the first right-angle prism lug, the side wall of the first connecting cylinder is provided with a second connecting hole, if the first connecting cylinder is in the first connecting state, the second connecting hole is aligned with one of the two first connecting holes, and if the first connecting cylinder is in the second connecting state, the second connecting hole is aligned with the other of the two first connecting holes.

Optionally, the first splicing rod and the second splicing rod are connected with the supporting rod through bolts.

Optionally, the cross section of the first splicing rod and the cross section of the second splicing rod are both rectangular.

Optionally, the first splicing rod comprises at least two rod bodies which are coaxially detachably connected, and the structure of the second splicing rod is the same as that of the first splicing rod.

Optionally, the first splicing rod further comprises a second connecting cylinder with two open ends, and one end of each of the adjacent rod bodies is respectively inserted into two ends of the second connecting cylinder and detachably connected with the second connecting cylinder.

Optionally, one end of the rod body is provided with a second right prism bump, the second right prism bump is the same as the first right prism bump in shape, the cross section of the inner wall of the second connecting cylinder is square, and the second connecting cylinder is sleeved on the second right prism bump.

Optionally, the first connecting cylinder is connected with the first right-prism bump through a bolt.

Optionally, the support rod is provided with a plurality of rope grooves, and the rope grooves are arranged at intervals along the axial direction of the support rod.

On the other hand, the embodiment of the present disclosure further provides a cable bridge, the cable bridge includes at least two cable bridge assemblies, the at least two cable bridge assemblies are the cable bridge assemblies as described above, in each adjacent cable bridge assembly, the lug plate of the first connecting cylinder at one end of the first splicing rod is hinged to the lug plate of the first connecting cylinder at one end of the other first splicing rod, and the lug plate of the first connecting cylinder at one end of the one second splicing rod is hinged to the lug plate of the first connecting cylinder at one end of the other second splicing rod.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

the first splicing rods and the second splicing rods are arranged at intervals in a coplanar mode, the supporting rods are connected between the first splicing rods and the second splicing rods, when the cable bridge is manufactured, the first splicing rods of the cable bridge assemblies can be sequentially connected according to the required length, the second splicing rods are sequentially connected to form a complete cable bridge, and cables can be laid on the supporting rods. Through setting up a plurality of connection structure, connection structure includes the connecting cylinder, all has first right prism lug on the terminal surface at first concatenation pole both ends and the terminal surface at second concatenation pole both ends, because the cross section of the inner wall of connecting cylinder is the square, and the terminal surface of first right prism lug also is the square, therefore every rotation of 90 of connecting cylinder all can overlap to first right prism lug on. Because the lug plate is arranged on the end face of the connecting cylinder, if the first connecting cylinder is in the first connection state, the first connecting cylinder is sleeved on the first right-angled prism lug, the lug plate is parallel to the plane where the first splicing rod and the second splicing rod are located, if the first connecting cylinder is in the second connection state, the first connecting cylinder is sleeved on the first right-angled prism lug, and the lug plate is perpendicular to the plane where the first splicing rod and the second splicing rod are located. Through selecting the first connecting cylinder of different state installations, the state of arranging of adjustment otic placode is articulated the back with a plurality of cable crane span structure subassemblies through the otic placode, just can make cable crane span structure subassembly at horizontal plane or vertical in-plane rotation, makes the cable crane span structure turn round to can nimble angle of adjustment, simple structure, simple to operate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic view of a cable bridge deck assembly provided by an embodiment of the present disclosure;

FIG. 2 is a partial structural schematic view of a cable bridge rack assembly provided by an embodiment of the present disclosure;

FIG. 3 is a partial schematic structural view of a cable bridge bracket assembly provided by an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a connection structure provided in an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of another connection structure provided in the embodiments of the present disclosure;

FIG. 6 is an enlarged, fragmentary schematic view of a cable tray assembly provided by an embodiment of the present disclosure;

FIG. 7 is an enlarged, fragmentary schematic view of a cable tray assembly provided by an embodiment of the present disclosure;

FIG. 8 is an enlarged, fragmentary schematic view of a cable tray assembly provided by an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a support rod according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a cable bridge rack assembly provided by an embodiment of the present disclosure;

FIG. 11 is a schematic structural view of a first splicing rod provided by the embodiment of the present disclosure;

FIG. 12 is a schematic view of a cable tray configuration provided by an embodiment of the present disclosure;

fig. 13 is a partial structural schematic view of a cable tray according to an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of a cable bridge deck assembly provided by an embodiment of the present disclosure. As shown in fig. 1, the cable tray comprises a first splicing bar 11, a second splicing bar 12, a plurality of support bars 20 and a plurality of connecting structures 30.

The first splicing rod 11 and the second splicing rod 12 are arranged at intervals in a coplanar mode, one ends of the supporting rods 20 are connected with the first splicing rod 11, and the other ends of the supporting rods 20 are connected with the second splicing rod 12.

The end faces of the two ends of the first splicing rod 11 and the end faces of the two ends of the second splicing rod 12 are respectively provided with a first right-prism-shaped bump 111, the end face of each first right-prism-shaped bump 111 is square, and each first right-prism-shaped bump 111 is provided with a connecting structure 30.

Fig. 2 is a partial structural schematic view of a cable bridge rack assembly provided by an embodiment of the present disclosure. As shown in fig. 2, the connecting structure 30 includes a first connecting cylinder 31 having one closed end and one open end, and an ear plate 32 located at the closed end of the first connecting cylinder 31, and the inner wall of the first connecting cylinder 31 has a square cross section. The first connecting cylinder 31 is detachably connected to the first right-prism-shaped projection 111.

Fig. 3 is a partial structural schematic view of a cable bridge rack assembly provided by an embodiment of the present disclosure. As shown in fig. 2 and 3, the first connecting cylinder 31 has a first connecting state (i.e., the state shown in fig. 2) and a second connecting state (i.e., the state shown in fig. 3), if the first connecting cylinder 31 is in the first connecting state, the first connecting cylinder 31 is sleeved on the first prismatic bump 111, the ear plate 32 is parallel to the plane where the first splicing rod 11 and the second splicing rod 12 are located, if the first connecting cylinder 31 is in the second connecting state, the first connecting cylinder 31 is sleeved on the first prismatic bump 111, and the ear plate 32 is perpendicular to the plane where the first splicing rod 11 and the second splicing rod 12 are located.

Fig. 4 is a schematic structural diagram of a connection structure provided in an embodiment of the present disclosure. As shown in FIG. 4, the connection structure 30 may also include a pin 33, and the pin 33 may be used to articulate the ear plates 32 of adjacent cable tray assemblies when connecting multiple cable tray assemblies.

As shown in fig. 4, one end of the pin 33 has an outer flange 331, and the other end of the pin 33 has a radially extending hole 33a, into which a cotter pin 332 may be inserted. The engagement of the outer flange 331 and the cotter pin 332 prevents the pin 33 from coming off.

Alternatively, the first connecting cylinder 31 may have two lug plates 32 on its end surface. The two ear plates 32 may be arranged in parallel spaced apart relation.

Fig. 5 is a schematic structural diagram of another connection structure provided in the embodiments of the present disclosure. As shown in fig. 5, the first connecting cylinder 31 may have only one lug plate 32 on its end surface.

The first connecting cylinder 31 may have a rectangular parallelepiped shape, and the cross section of the outer wall of the first connecting cylinder 31 may be square. The ear plate 32 may be parallel to the outer wall of the first connecting cylinder 31.

The lug plate 32 and the first connecting cylinder 31 may be of an integral structure, or the lug plate 32 may be welded to the first connecting cylinder 31.

FIG. 6 is an enlarged, fragmentary schematic view of a cable bridge bracket assembly provided by an embodiment of the present disclosure. As shown in fig. 6, the first rectangular prism projection 111 may have a first connection hole 111a on a sidewall thereof, and the first connection cylinder 31 has two second connection holes 31a on sidewalls thereof, the two second connection holes 31a being respectively located on two sidewalls of the first connection cylinder 31 perpendicular to each other. If the first connecting cylinder 31 is in the first connecting state, the first connecting hole 111a is aligned with one of the two second connecting holes 31a, and if the first connecting cylinder 31 is in the second connecting state, the first connecting hole 111a is aligned with the other of the two second connecting holes 31 a.

The first cylinder 31 is coupled to the first prismatic projection 111 by a bolt by fitting the first cylinder 31 over the first prismatic projection 111 such that the first coupling hole 111a is aligned with one of the second coupling holes 31 a. When the direction of the ear plate 32 needs to be adjusted, the first connecting cylinder 31 can be taken down from the first rectangular prism projection 111, the first connecting cylinder 31 is rotated by 90 °, and then sleeved on the first rectangular prism projection 111, so that the first connecting hole 111a can be aligned with another second connecting hole 31a, and then the first connecting cylinder 31 and the first rectangular prism projection 111 are connected through a bolt.

FIG. 7 is an enlarged, fragmentary schematic view of a cable bridge bracket assembly provided by an embodiment of the present disclosure. As shown in fig. 7, in the cable tray assembly, two first connection holes 111a may be formed on sidewalls of the first rectangular prism projection 111, the two first connection holes 111a are respectively formed on two sidewalls of the first rectangular prism projection 111 perpendicular to each other, and a second connection hole 31a may be formed on a sidewall of the first connection barrel 31. If the first connection cylinder 31 is in the first connection state, the second connection hole 31a is aligned with one of the two first connection holes 111a, and if the first connection cylinder 31 is in the second connection state, the second connection hole 31a is aligned with the other of the two first connection holes 111 a.

Through set up two first connecting holes 111a on first right-angle prism lug 111, set up a second connecting hole 31a on first connecting cylinder 31, equally can be through adjusting first connecting cylinder 31, change the angle of otic placode 32, and after first connecting cylinder 31 overlaps on first right-angle prism lug 111, an unused first connecting hole 111a is covered by first connecting cylinder 31 on the first right-angle prism lug 111, be difficult to blockked up by impurity such as dust, when needs change connected mode, it is more convenient.

FIG. 8 is an enlarged, fragmentary schematic view of a cable bridge bracket assembly provided by an embodiment of the present disclosure. As shown in fig. 8, the first splicing rod 11, the second splicing rod 12 and the support rod 20 can be connected by bolts. The supporting rod 20 is convenient to detach through the bolt connection, and when the supporting rod turns in the horizontal plane, the bolt can be loosened, so that the supporting rod 20 can rotate relative to the first splicing rod 11 and the second splicing rod 12, after the first splicing rod 11 and the second splicing rod 12 are adjusted, the bolt is screwed up, the supporting rod 20 is locked, the posture of the cable bridge assembly can be fixed, and the cable bridge assembly is prevented from loosening.

As shown in fig. 8, a plurality of fixing holes 10a may be axially spaced on both the first splicing rod 11 and the second splicing rod 12, through holes 20a may be respectively provided at both ends of the support rod 20, and by aligning the through holes 20a of the support rod 20 with the fixing holes 10a, bolts may be put in to connect the support rod 20 with the first splicing rod 11 and the second splicing rod 12.

The spacing between adjacent fixing holes 10a may be set according to specific construction requirements to provide sufficient support for the cable.

Fig. 9 is a schematic structural diagram of a support rod according to an embodiment of the present disclosure. As shown in fig. 9, the support rod 20 may have a plurality of rope grooves 20 b. A plurality of the rope grooves 20b may be arranged at intervals in the axial direction of the support rod 20. The support rod 20 is used for supporting cables, and the cables can be limited by the rope grooves 20b by arranging the rope grooves 20b on the support rod 20, so that the cables can be conveniently arranged.

The depth of the rope groove 20b may be set according to the diameter of the cable so that the rope groove 20b can provide a sufficient restraining effect for the cable.

When the cable is laid, the cable can be bound to the support rod 20 to further fix the cable.

Illustratively, the support rod 20 may be rectangular in cross-section. In other possible implementations, the cross-section of the support rod 20 may also be semicircular, circular, trapezoidal, etc.

Fig. 10 is a schematic structural view of a cable bridge rack assembly provided by an embodiment of the present disclosure. As shown in FIG. 10, the cable tray assembly may include a plurality of support rods 20 having different lengths, since the first splicing rod 11 and the second splicing rod 12 of the same cable tray assembly may turn in the same direction or in different directions when connecting a plurality of cable tray assemblies.

Illustratively, for example, in a horizontal plane, when the first splicing rod 11 and the second splicing rod 12 turn in opposite directions, the distance between the first splicing rod 11 and the second splicing rod 12 is changed, and by arranging the plurality of support rods 20 with different lengths, the support rods 20 with appropriate lengths can be selected to connect the first splicing rod 11 and the second splicing rod 12, so that the width of the local area of the cable bridge can be changed. When the cable bridge is arranged, the width of the cable bridge can be set to be larger in a possibly maintained area, so that cables can be arranged more loosely, and maintenance is facilitated.

Fig. 11 is a schematic structural diagram of a first splicing rod provided by the embodiment of the disclosure. As shown in FIG. 11, the cross-section of the first splicing bar 11 can be rectangular. The second splicing bar 12 may have the same structure as the first splicing bar 11. Like this first concatenation pole 11 and second concatenation pole 12 are whole all to be the rectangular bodily form, and first concatenation pole 11 and second concatenation pole 12 all have smooth lateral wall, can conveniently set up aforementioned fixed orifices 10a erection bracing pole 20 to the lateral wall of first concatenation pole 11 and second concatenation pole 12 is level and smooth, and bracing piece 20 is also difficult not hard up, and more steady of installation.

Taking the first splicing rod 11 as an example, as shown in fig. 11, the first splicing rod 11 may include at least two rod bodies 101 that are coaxially detachably connected. The first splicing rod 11 is arranged to be detachably connected with a plurality of sections, and the whole length of the first splicing rod 11 can be adjusted by changing the number of the rod bodies 101.

As shown in fig. 11, the first splicing rod 11 can further include a second connector barrel 102 that is open at both ends. One end of the adjacent rod body 101 is respectively inserted into two ends of the second connecting cylinder 102 and detachably connected with the second connecting cylinder 102. Through setting up second connecting cylinder 102, utilize the cooperation of second connecting cylinder 102 and the body of rod 101, can make many bodies of rod 101 be in coaxial state to the dismouting is also convenient.

As shown in fig. 11, one end of the rod body 101 may have a second rectangular prism protrusion 112, the second rectangular prism protrusion 112 has the same shape as the first rectangular prism protrusion 111, the cross section of the inner wall of the second connector barrel 102 is square, and the second connector barrel 102 is sleeved on the second rectangular prism protrusion 112. The connection between the rod body 101 and the second connecting cylinder 102 can be more stable through the cooperation of the second connecting cylinder 102 and the second right prism-shaped bump 112.

The cross section of the outer wall of the second connector barrel 102 may be square, and the side length of the square is equal to the side length of the cross section of the rod 101, so that after the second connector barrel 102 is connected with the rod 101, the outer wall of the second connector barrel 102 is flush with the outer wall of the rod 101.

As shown in fig. 11, the second right-prism projection 112 has a third connection hole 112a, and the outer wall of the second connection barrel 102 has a plurality of fourth connection holes 102a, and when the second connection barrel 102 is fitted over the second right-prism projection 112, the third connection hole 112a may be aligned with one of the fourth connection holes 102a, and then the second connection barrel 102 may be connected to the rod 101 by a bolt.

Each second rectangular prism bump 112 may also be provided with two third connection holes 112a, and the two third connection holes 112a are respectively located on two sidewalls of the second rectangular prism bump 112.

Each side wall of the second connecting cylinder 102 may have two fourth connecting holes 102a, and the two fourth connecting holes 102a are located at two ends of the second connecting cylinder 102, so that as long as the second connecting cylinder 102 is sleeved on the second rectangular prism bump 112, the third connecting hole 112a may be aligned with one fourth connecting hole 102a on one side wall of the second connecting cylinder 102, which facilitates the connection of the second connecting cylinder 102 with the rod body 101.

Alternatively, the rod 101 may be a hollow rod or a solid rod. According to different construction requirements, the rod bodies 101 with different structures can be selected.

Alternatively, the cable tray assembly may be a metal structural member. That is, the first splicing rod 11, the second splicing rod 12, the support rod 20 and the connecting structure 30 can be metal structures, and the metal structures have higher structural strength and are not easy to deform.

Illustratively, the cable bridge assembly can be an aluminum alloy structural member, and the aluminum alloy is high in structural strength, light in weight and convenient to mount in the building.

Fig. 12 is a schematic structural diagram of a cable tray according to an embodiment of the present disclosure. As shown in FIG. 12, the cable tray includes 10 cable tray assemblies 200, with the cable tray assemblies 200 being any of the cable tray assemblies shown in FIGS. 1-11.

In the adjacent cable tray assembly 200, the lug plate 32 of the first connecting cylinder 31 at one end of one first splicing rod 11 is hinged to the lug plate 32 of the first connecting cylinder 31 at one end of the other first splicing rod 11, and the lug plate 32 of the first connecting cylinder 31 at one end of one second splicing rod 12 is hinged to the lug plate 32 of the first connecting cylinder 31 at one end of the other second splicing rod 12.

The cable tray shown in FIG. 12 is by way of example only, and a cable tray may include at least two cable tray assemblies 200, such as may include only 2 cable tray assemblies 200, 3 cable tray assemblies 200, or a greater number of cable tray assemblies 200.

In addition, when the cable bridge is maintained and modified at a later stage, part of the structures in the original cable bridge assembly, such as part of the first splicing rod 11, the second splicing rod 12, the supporting rod 20, the connecting structure 30 and the like, can be replaced. When the cable bridge is expanded, a new cable bridge assembly can be added on the original basis, and construction is convenient.

Fig. 13 is a partial structural schematic view of a cable tray according to an embodiment of the present disclosure. The manner of connecting the first splicing bars 11 of two adjacent cable tray assemblies 200 is illustrated in FIG. 13. As shown in fig. 13, the first splicing bars 11 of two adjacent cable trays 200 are connected by a connecting structure 30. The ear plates 32 of the two connecting structures 30 may be hinged by a pin. The second splicing bars 12 of two adjacent cable tray assemblies 200 are connected in the same manner as the first splicing bars 11. This allows turning and width variation of the cable tray by turning the first connecting rod 11 and the second connecting rod 12. As shown in FIG. 12, in the direction indicated by arrow A in FIG. 12, the second cable tray assembly 200 makes a turn in the horizontal direction, the fourth cable tray assembly 200 gradually increases in width, the sixth cable tray assembly 200 gradually decreases in width, the eighth cable tray assembly 200 makes a turn in the vertical direction, gradually increases in height, and the tenth cable tray assembly 200 makes a turn in the vertical direction, gradually decreases in height.

The attitude of the cable tray areas shown in FIG. 12 is merely illustrative, and the attitude of each cable tray assembly 200 may be specifically adjusted according to construction requirements.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A cable bridge rack assembly, characterized in that it comprises a first splicing bar (11), a second splicing bar (12), a plurality of support bars (20) and a plurality of connecting structures (30);

the first splicing rods (11) and the second splicing rods (12) are arranged at intervals in a coplanar manner, one ends of the support rods (20) are connected with the first splicing rods (11), and the other ends of the support rods (20) are connected with the second splicing rods (12);

the end faces of the two ends of the first splicing rod (11) and the end faces of the two ends of the second splicing rod (12) are respectively provided with a first right prism lug (111), the end face of each first right prism lug (111) is square, and each first right prism lug (111) is provided with one connecting structure (30);

the connecting structure (30) comprises a first connecting cylinder (31) with one closed end and one open end and an ear plate (32) located at one closed end of the first connecting cylinder (31), the cross section of the inner wall of the first connecting cylinder (31) is square, the first connecting cylinder (31) is detachably connected with the first prismatic convex block (111), the first connecting cylinder (31) has a first connecting state and a second connecting state, if the first connecting cylinder (31) is in the first connecting state, the first connecting cylinder (31) is sleeved on the first prismatic convex block (111), the ear plate (32) is parallel to the plane where the first splicing rod (11) and the second splicing rod (12) are located, if the first connecting cylinder (31) is in the second connecting state, the first connecting cylinder (31) is sleeved on the first prismatic convex block (111), the ear plate (32) is perpendicular to the plane where the first splicing rod (11) and the second splicing rod (12) are located.

2. The cable tray assembly of claim 1, wherein the first right prism projection (111) has a first connection hole (111a) on a side wall thereof, the first connection barrel (31) has two second connection holes (31a) on a side wall thereof, the two second connection holes (31a) are respectively located on two mutually perpendicular side walls of the first connection barrel (31), the first connection hole (111a) is aligned with one of the two second connection holes (31a) if the first connection barrel (31) is in the first connection state, and the first connection hole (111a) is aligned with the other of the two second connection holes (31a) if the first connection barrel (31) is in the second connection state; or,

the side wall of the first right-prism bump (111) is provided with two first connection holes (111a), the two first connection holes (111a) are respectively located on two mutually perpendicular side walls of the first right-prism bump (111), the side wall of the first connection barrel (31) is provided with a second connection hole (31a), if the first connection barrel (31) is in the first connection state, the second connection hole (31a) is aligned with one of the two first connection holes (111a), and if the first connection barrel (31) is in the second connection state, the second connection hole (31a) is aligned with the other of the two first connection holes (111 a).

3. The cable tray assembly of claim 1, wherein the first and second splicing bars (11, 12) are bolted to the support bar (20).

4. A cable tray assembly according to claim 3, wherein the cross-section of the first splicing bar (11) and the cross-section of the second splicing bar (12) are both rectangular.

5. The cable tray assembly of claim 1, wherein the first splicing bar (11) comprises at least two rods (101) that are coaxially detachably connected, and the second splicing bar (12) has the same structure as the first splicing bar (11).

6. The cable tray assembly of claim 5, wherein the first splicing bar (11) further comprises a second connector barrel (102) having both ends open, and wherein one end of the adjacent rod body (101) is respectively inserted into both ends of the second connector barrel (102) and detachably connected to the second connector barrel (102).

7. The cable tray assembly of claim 6, wherein one end of the rod (101) has a second right prism projection (112), the second right prism projection (112) has the same shape as the first right prism projection (111), the inner wall of the second connector barrel (102) has a square cross-section, and the second connector barrel (102) is sleeved on the second right prism projection (112).

8. A cable tray assembly according to any one of claims 1 to 7, wherein the first connecting cylinder (31) is bolted to the first prismatic projection (111).

9. A cable tray assembly according to any one of claims 1 to 7, wherein the support bar (20) has a plurality of rope grooves (20b), the plurality of rope grooves (20b) being spaced axially along the support bar (20).

10. A cable tray, comprising at least two cable tray assemblies, each cable tray assembly being a cable tray assembly as claimed in any one of claims 1 to 9, wherein in adjacent cable tray assemblies, an ear plate (32) of the first connecting cylinder (31) at one end of one first splicing bar (11) is hinged to an ear plate (32) of the first connecting cylinder (31) at one end of the other first splicing bar (11), and an ear plate (32) of the first connecting cylinder (31) at one end of the one second splicing bar (12) is hinged to an ear plate (32) of the first connecting cylinder (31) at one end of the other second splicing bar (12).