Adjustable cable bridge with high adaptability

Abstract

The invention belongs to the technical field of cable installation equipment, and particularly relates to a high-adaptability adjustable cable bridge which comprises a mother bridge and a plurality of lifting frames, a child bridge is slidably connected into the mother bridge, guide grooves are formed in the outer walls of the two sides of the child bridge, and guide rails are fixedly installed on the outer walls of the two sides of the mother bridge through bolts; the guide rails are slidably connected to the interiors of the guide grooves, connecting grooves are formed in the inner walls of the two sides of the sub-bridges, and locking pieces are clamped in the connecting grooves; the problem that in the prior art, in order to meet the installation requirements of different lengths, a cable bridge often needs to be cut is solved; the main bridge and the sub-bridges are connected through the accurate guide rails and the guide grooves, in the installation process, if the length of the cable bridge exceeds the requirement, an operator can easily push the sub-bridges at the two ends into the main bridge, and therefore the length of the whole cable bridge is effectively reduced, and the installation efficiency is improved. And the actual requirements of various installation environments can be perfectly met.

Description

Technical Field

[0001] The invention belongs to the technical field of cable installation equipment, and in particular relates to an adjustable cable bridge with strong adaptability. Background Art

[0002] Cable tray is a kind of equipment used to support and protect power cables, communication cables, control cables, etc. It is mainly composed of beams, support columns, connectors, etc. to form a bridge structure to suspend cables in the air for easy wiring and maintenance. Cable trays are usually made of metal materials, such as steel, aluminum, etc., with high strength and corrosion resistance. According to the specific use environment and requirements, cable trays can adopt different materials and structural forms. Usually, cable trays are designed and installed according to the type and number of cables to ensure the safety and reliability of cables. Cable trays are widely used in buildings, factories, underground passages, tunnels and other places for power transmission, communication transmission, data transmission, etc. At present, the installation of cable trays in many fields such as data centers, factories, and power facilities is often limited by their fixed sizes. In order to adapt to the installation requirements of different lengths, the cable trays often need to be cut. This cutting operation not only destroys the overall structural integrity of the cable tray, but also has a negative impact on the service life of the tray and the safety of the cables. It also leads to a waste of human resources. What is more serious is that due to the operational errors of construction workers, the cable trays are sometimes scrapped, which not only increases additional costs, but also may delay the project progress. Therefore, we propose an adaptable and adjustable cable tray. Summary of the invention

[0003] The object of the present invention is to provide an adjustable cable tray with strong adaptability to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable cable tray with strong adaptability, comprising a mother bridge frame and a plurality of lifting frames, the mother bridge frame is slidably connected to a sub-bridge frame inside, and guide grooves are provided on both side outer walls of the sub-bridge frame, guide rails are fixedly installed on both side outer walls of the mother bridge frame by bolts, and the guide rails are slidably connected to the inside of the guide grooves, connecting grooves are provided on both side inner walls of the sub-bridge frame, and locking plates are clamped inside the connecting grooves, limiting grooves are provided on both side outer walls of the sub-bridge frame, and end covers are fixedly installed at one end of the limiting grooves by bolts, locking bolts are rotatably connected to both side outer walls of the mother bridge frame through bearings, and one end of the locking bolts passes through the limiting grooves and is threadedly connected to the inside of the locking plates, a mother frame cover is clamped on the top outer wall of the mother bridge frame, and a sub-frame cover is clamped on the top outer wall of the sub-bridge frame, and heat dissipation grooves distributed at equal distances are provided on the bottom outer wall of the mother bridge frame and the bottom outer wall of the sub-bridge frame.

[0005] Furthermore, fixing grooves are provided on both side outer walls of the mother bridge frame and the sub-bridge frame, and fixing pins are integrally formed on the side inner walls of the mother frame cover and the sub-frame cover, and the fixing pins are clamped in the fixing grooves.

[0006] Furthermore, a lower wire rack is fixedly installed on the bottom inner wall of the mother bridge frame and the bottom inner wall of the sub-bridge frame by bolts, and an upper wire rack is fixedly installed on the bottom outer wall of the mother frame cover and the bottom outer wall of the sub-frame cover by bolts.

[0007] Furthermore, a smoke sensor and a buzzer are fixedly mounted on an outer wall of one side of the upper wiring rack by means of bolts, and the buzzer is electrically connected to the smoke sensor by means of a wire.

[0008] Furthermore, the bottom outer wall of the upper wire rack and the top outer wall of the lower wire rack are both provided with wire clamping grooves which are distributed at equal distances, and protective pads are glued to the side inner walls of the wire clamping grooves.

[0009] Furthermore, a connecting ear is fixedly installed inside the connecting groove by bolts, and connecting holes distributed at equal distances are opened on an outer wall on one side of the connecting ear.

[0010] Furthermore, a fixing plate is integrally formed at the top of the hanging frame, and an expansion bolt is threadedly connected to the top outer wall of the fixing plate. A reinforcement sleeve is sleeved on the outside of the hanging frame, and a compensation pad is clamped on the top of the hanging frame, and the fixing plate is located between the reinforcement sleeve and the compensation pad.

[0011] Furthermore, a crossbeam is fixedly installed between the two opposing hanging frames by bolts, and mounting holes are provided at both ends of the crossbeam. Through holes distributed at equal distances are provided on the outer wall of one side of the hanging frame, and mounting bolts are inserted into the through holes, and one end of the mounting bolts is threadedly connected to the inside of the mounting hole.

[0012] Furthermore, reinforcing ribs are integrally formed on the bottom outer wall of the beam and are distributed at equal distances, and one end of the reinforcing ribs is in contact with the adjacent hanging frame. Two positioning blocks are clamped on the top outer wall of the beam, and the mother bridge frame and the child bridge frame are clamped between the two positioning blocks.

[0013] Furthermore, a fixing hook is integrally formed on the top outer wall of the crossbeam, a hook groove is formed on the bottom outer wall of the positioning block, and the positioning block is clamped in the inside of the hook groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the setting of the mother bridge and sub-bridge, the mother bridge and the sub-bridge are connected by precise guide rails and guide grooves. During the installation process, if the length of the cable bridge exceeds the requirement, the operator can easily push the sub-bridges at both ends into the mother bridge, thereby effectively reducing the length of the overall cable bridge. On the contrary, if the cable bridge is not long enough, the operator can also smoothly pull the sub-bridges at both ends out of the mother bridge to extend the cable bridge and ensure that it can perfectly adapt to the actual needs of various installation environments.

[0015] 2. Through the setting of the hoisting frame and the beam, the hoisting frame is firmly fixed on the top of the building with the expansion bolts, and the beam is securely installed on the side of the hoisting frame by installing bolts. When installing the mother bridge frame and the sub-bridge frame, the operator first installs the hoisting frame on one side and fixes the beam at the corresponding position of the hoisting frame. Then, the mother bridge frame and the sub-bridge frame are placed on the beam. At this time, the beam can provide temporary support to ensure the stability of the mother bridge frame and the sub-bridge frame. Since the other side of the mother bridge frame and the sub-bridge frame is not blocked by the beam, the operator can directly lay the cable horizontally inside the mother bridge frame and the sub-bridge frame without passing the cable between the two hoisting frames. This effectively avoids possible damage to the cable surface during the threading process. At the same time, compared with the method of inserting cables, this installation method also reduces the need for frequent movement of work ladders and improves the safety of operations.

[0016] 3. Through the smoke sensor and buzzer, the device can effectively monitor the cable status during operation. Once the cable generates smoke due to abnormal temperature rise caused by short circuit or other internal problems, or smoke is generated due to cable damage caused by external fire source, the smoke sensor located near the fault point will immediately trigger the buzzer to sound an alarm. This design can not only promptly remind the operator to pay attention to the fault, but also help the operator quickly locate the specific location of the fault, thereby facilitating emergency repair and maintenance work and ensuring the safe and stable operation of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the adjustable cable tray of the present invention in the unfolded state; Figure 2 It is a schematic diagram of the structure of the adjustable cable tray of the present invention in a retracted state; Figure 3 It is a schematic diagram of the mother bridge structure of the present invention; Figure 4 It is a schematic diagram of the mother frame cover structure of the present invention; Figure 5 It is a schematic diagram of the structure of the upper wire rack of the present invention; Figure 6 It is a schematic diagram of the sub-bridge structure of the present invention; Figure 7 It is a partial enlarged schematic diagram of structure A of the present invention; Figure 8 It is a schematic diagram of the sub-rack cover structure of the present invention; Fig. 9 It is a schematic diagram of the structure of the hanging frame and the crossbeam of the present invention; Fig.10 It is a cross-sectional view of the structure of the hanging frame of the present invention; Fig.11 is a cross-sectional view of the beam structure of the present invention; In the figure: 1. mother bridge frame; 11. mother frame cover; 111. fixing pin; 112. upper cable rack; 1121. smoke sensor; 1122. buzzer; 1123. cable slot; 1124. protective pad; 12. lower cable rack; 13. heat dissipation slot; 14. locking bolt; 15. fixing slot; 16. guide rail; 2. sub-bridge frame; 21. sub-frame cover; 22. connecting slot; 221. connecting ear; 222. connecting hole; 23. slide slot; 24. limit slot; 241. end cover; 25. locking plate; 3. lifting frame; 31. through hole; 311. mounting bolt; 32. fixing plate; 321. compensation pad; 322. expansion bolt; 33. strengthening sleeve; 4. crossbeam; 41. mounting hole; 42. reinforcing rib; 43. fixing hook; 431. positioning block; 432. hook slot. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figures 1 to 5The present invention provides a technical solution: an adaptable and adjustable cable bridge, comprising a mother bridge frame 1 and a plurality of hanging frames 3, a sub-bridge frame 2 is slidably connected inside the mother bridge frame 1, and guide grooves 23 are provided on both sides of the outer walls of the sub-bridge frame 2, guide rails 16 are fixedly installed on both sides of the outer walls of the mother bridge frame 1 by bolts, and the guide rails 16 are slidably connected inside the guide grooves 23, connecting grooves 22 are provided on both sides of the inner walls of the sub-bridge frame 2, and locking plates 25 are clamped inside the connecting grooves 22, and limiting grooves 24 are provided on both sides of the outer walls of the sub-bridge frame 2, and one end of the limiting groove 24 is fixedly installed with an end cover 241 by bolts. The outer walls on both sides of the mother bridge frame 1 are rotatably connected with locking bolts 14 through bearings, and one end of the locking bolt 14 passes through the limit groove 24 and is threadedly connected to the inside of the locking plate 25. The locking bolt 14 and the locking plate 25 are used to fix the mother bridge frame 1 and the sub-bridge frame 2 through friction. The mother bridge frame 1 is clamped with a mother frame cover 11 on the top outer wall, and the sub-bridge frame 2 is clamped with a sub-frame cover 21 on the top outer wall. The bottom outer wall of the mother bridge frame 1 and the bottom outer wall of the sub-bridge frame 2 are both provided with heat dissipation grooves 13 distributed at equal distances. The heat dissipation grooves 13 can reduce the dead weight of the mother bridge frame 1 and the sub-bridge frame 2, and can dissipate heat for the internal cables.

[0020] From the above description, it can be seen that through the setting of the mother bridge frame 1 and the sub-bridge frame 2, the mother bridge frame 1 and the sub-bridge frame 2 are connected through precise guide rails 16 and guide grooves 23. During the installation process, if the length of the cable bridge exceeds the requirement, the operator can easily push the sub-bridge frames 2 at both ends into the mother bridge frame 1, thereby effectively reducing the length of the entire cable bridge. On the contrary, if the cable bridge is not long enough, the operator can also smoothly pull the sub-bridge frames 2 at both ends out of the mother bridge frame 1 to extend the cable bridge and ensure that it can perfectly adapt to the actual needs of various installation environments.

[0021] For further information, see Figure 3 and Figure 4, the outer walls of both sides of the mother bridge frame 1 and the sub-bridge frame 2 are provided with fixing grooves 15, and the inner walls of the side surfaces of the mother frame cover 11 and the sub-frame cover 21 are integrally formed with fixing pins 111, and the fixing pins 111 are clamped in the inner part of the fixing grooves 15, which are used for connecting the mother bridge frame 1 and the sub-bridge frame 2 with the mother frame cover 11 and the sub-frame cover 21, which is convenient for installation and disassembly, and the lower wire rack 12 is fixedly installed on the bottom inner wall of the mother bridge frame 1 and the bottom inner wall of the sub-bridge frame 2 by bolts, and the bottom outer wall of the mother frame cover 11 and the bottom of the sub-frame cover 21 are fixedly installed with the lower wire rack 12, and the bottom outer wall of the mother frame cover 11 and the bottom of the sub-frame cover 21 are fixedly installed with the lower wire rack 12, and the bottom outer wall of the mother frame cover 11 and the bottom of the sub-frame cover 21 are fixedly installed with the lower wire rack 12, and the bottom outer wall of the mother frame cover 11 and the bottom of the sub-frame cover 21 are fixedly installed with the lower wire rack 12, and the bottom inner ... An upper wire rack 112 is fixedly installed on the outer wall of the upper wire rack 112 by bolts, a smoke sensor 1121 and a buzzer 1122 are fixedly installed on the outer wall of one side of the upper wire rack 112 by bolts, and the buzzer 1122 is electrically connected to the smoke sensor 1121 through a wire, and wire clamping grooves 1123 distributed at equal distances are opened on the bottom outer wall of the upper wire rack 112 and the top outer wall of the lower wire rack 12 for arranging cable lines, and a protective pad 1124 is glued to the inner wall of the side of the wire clamping groove 1123.

[0022] Example 2: Please refer to Figures 1 to 5 As shown, on the basis of the first embodiment, the present invention provides a technical solution: a fixing plate 32 is integrally formed at the top of the hanging frame 3, and an expansion bolt 322 is threadedly connected to the top outer wall of the fixing plate 32, the expansion bolt 322 is used to fix the hanging frame 3 and the building, the outer sleeve of the hanging frame 3 is sleeved with a reinforcing sleeve 33, the reinforcing sleeve 33 is used to bear the torque generated when the cable is installed because the cross beam 4 is only installed on the hanging frame 2 on one side, and a compensation pad 321 is clamped at the top of the hanging frame 3, the compensation pad 321 is used to compensate for the different heights of the cross beam 4 caused by the different sizes of the mother bridge frame 1 and the child bridge frame 2, the fixing plate 32 is located between the reinforcing sleeve 33 and the compensation pad 321, and a cross beam 4 is fixedly installed between the two relative hanging frames 3 by bolts. Beam 4, and both ends of the beam 4 are provided with mounting holes 41, one side outer wall of the hanging frame 3 is provided with through holes 31 distributed at equal distances, and the inside of the through hole 31 is inserted with a mounting bolt 311, one end of the mounting bolt 311 is threadedly connected to the inside of the mounting hole 41, and the bottom outer wall of the beam 4 is integrally formed with reinforcing ribs 42 distributed at equal distances, the reinforcing ribs 42 are used to bear the torque generated when the beam 4 is only installed on the hanging frame 2 on one side when the cable is installed, and one end of the reinforcing rib 42 is in contact with the adjacent hanging frame 3, and two positioning blocks 431 are clamped on the top outer wall of the beam 4, the positioning blocks 431 are used to position the mother bridge frame 1 and the sub-bridge frame 2, and the mother bridge frame 1 and the sub-bridge frame 2 are clamped between the two positioning blocks 431.

[0023] The hoisting frame 3 set up by adopting the above technical solution is firmly fixed on the top of the building by using expansion bolts 322, and the crossbeam 4 is securely installed on the side of the hoisting frame 3 by installing bolts 311. When installing the mother bridge frame 1 and the sub-bridge frame 2, the operator first installs the hoisting frame 3 on one side and fixes the crossbeam 4 at the corresponding position of the hoisting frame 3. Then, the mother bridge frame 1 and the sub-bridge frame 2 are placed on the crossbeam 4. At this time, the crossbeam 4 can provide temporary support to ensure the stability of the mother bridge frame 1 and the sub-bridge frame 2. Since the other sides of the mother bridge frame 1 and the sub-bridge frame 2 are not blocked by the crossbeam 4, the operator can directly lay the cable horizontally inside the mother bridge frame 1 and the sub-bridge frame 2 without passing the cable between the two hoisting frames 3. This effectively avoids possible damage to the cable surface during the threading process. At the same time, compared with the method of inserting cables, this installation method also reduces the need for frequent movement of work ladders and improves the safety of operations.

[0024] For further information, see Figure 7 and Fig.11 A connecting ear 221 is fixedly installed inside the connecting groove 22 by bolts, which is used to connect and fix two adjacent cable trays, and connecting holes 222 distributed at equal distances are opened on the outer wall of one side of the connecting ear 221. A fixing hook 43 is integrally formed on the top outer wall of the beam 4, and a hook groove 432 is opened on the bottom outer wall of the positioning block 431. The center line of the hook groove 432 is at a different distance from the two ends of the positioning block 431. When the positioning block 431 is positively clamped on the fixing hook 43, the size is consistent with the mother bridge frame 1. When the positioning block 431 is rotated 180° and then reversely clamped on the fixing hook 43, the size is consistent with the sub-bridge frame 2, and the positioning block 431 is clamped inside the hook groove 432 to fix the positioning block 431 and the beam 4.

[0025] The working principle and use process of the present invention are as follows: if the sub-bridge 2 needs to be pulled out from the inside of the mother bridge 1 during installation, the operator can rotate the locking bolt 14, and the locking bolt 14 pushes the locking piece 25 to separate from the inner wall of one side of the connecting groove 22, thereby greatly reducing the friction between the mother bridge 1 and the sub-bridge 2. The operator can easily pull the sub-bridges 2 at both ends out of the inside of the mother bridge 1 until they are pulled out to a suitable length. The operator then rotates the locking bolt 14 again to lock the mother bridge 1 and the sub-bridge 2. During installation, the operator first tightens the lifting frame 3 on one side through the expansion bolt 322 It is fixed on the top of the building to be installed. The compensation pad 321 is clamped on the top of the hanging frame 3 where the mother bridge frame 1 needs to be installed. The top of the hanging frame 3 where the sub-bridge frame 2 needs to be installed does not need to be clamped. Then the operator fixes the beam 4 to the appropriate position of the hanging frame 3 through the installation bolts 311. Then the operator places the positioning block 431 on the beam 4 where the mother bridge frame 1 is installed, so that the fixing hook 43 on the beam 4 is clamped in the inside of the hook groove 432 of the positioning block 431. On the beam 4 where the sub-bridge frame 2 is installed, the operator needs to rotate the positioning block 431 180° to install it to adapt to the sub-bridge frame 2. The operator can then fix the mother bridge frame 1 and the sub-bridge frame 2 between the two positioning blocks 431 on the crossbeam 4. At this time, the operator can directly place the cables inside the lower cable rack 12 of the mother bridge frame 1 and the sub-bridge frame 2, and arrange them neatly through the cable clamping groove 1123, and fix the upper cable rack 112 to the top of the lower cable rack 12 by screws to complete the cable fixation, and then cover the mother frame cover 11 on the mother bridge frame 1, and cover the sub-frame cover 21 on the sub-bridge frame 2, so that the fixing pin 111 is clamped in the fixing groove 15 to complete the fixation of the mother frame cover 11 and the sub-frame cover 21, and then the operator The operator clamps one end of the connecting ear 221 on one end of the installed cable bridge and fixes the two with bolts. Finally, the operator fixes the hanging frame 3 on the other side to the top of the building to be installed through the expansion bolts 322, and fixes the later installed hanging frame 3 to the crossbeam 4 through the installation bolts 311; if it is not necessary to pull the sub-bridge 2 out of the inside of the mother bridge 1 during installation, the operator directly fixes the hanging frame 3 on one side to the top of the building to be installed through the expansion bolts 322 during installation, without installing the compensation pad 321, and then continues to install according to the above steps.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An adaptable and adjustable cable tray, comprising a mother cable tray (1) and a plurality of hanging racks (3), characterized in that: The mother bridge frame (1) is slidably connected to the sub-bridge frame (2) inside, and guide grooves (23) are provided on both side outer walls of the sub-bridge frame (2). Guide rails (16) are fixedly installed on both side outer walls of the mother bridge frame (1) by bolts, and the guide rails (16) are slidably connected inside the guide grooves (23). Connecting grooves (22) are provided on both side inner walls of the sub-bridge frame (2), and locking plates (25) are clamped inside the connecting grooves (22). Limiting grooves (24) are provided on both side outer walls of the sub-bridge frame (2), and one end of the limiting groove (24) is fixed to the inner wall of the sub-bridge frame (2). An end cover (241) is fixedly installed by bolts, locking bolts (14) are rotatably connected to the outer walls of both sides of the mother bridge frame (1) through bearings, and one end of the locking bolt (14) passes through the limit groove (24) and is threadedly connected to the inside of the locking plate (25), a mother frame cover (11) is clamped on the top outer wall of the mother bridge frame (1), and a sub-frame cover (21) is clamped on the top outer wall of the sub-bridge frame (2), and heat dissipation grooves (13) are opened on the bottom outer wall of the mother bridge frame (1) and the bottom outer wall of the sub-bridge frame (2) at equal distances; A fixing plate (32) is integrally formed at the top of the hanging frame (3), and an expansion bolt (322) is threadedly connected to the top outer wall of the fixing plate (32). A reinforcement sleeve (33) is sleeved on the outside of the hanging frame (3), and a compensation pad (321) is clamped on the top of the hanging frame (3), and the fixing plate (32) is located between the reinforcement sleeve (33) and the compensation pad (321).

2. The adaptable and adjustable cable tray according to claim 1, characterized in that: The outer walls of both sides of the mother bridge frame (1) and the sub-bridge frame (2) are provided with fixing grooves (15), and the inner walls of the side surfaces of the mother frame cover (11) and the sub-frame cover (21) are integrally formed with fixing pins (111), and the fixing pins (111) are snap-fitted into the interior of the fixing grooves (15).

3. The adaptable and adjustable cable tray according to claim 1, characterized in that: A lower wire rack (12) is fixedly mounted on the bottom inner wall of the mother bridge frame (1) and the bottom inner wall of the sub-bridge frame (2) by means of bolts, and an upper wire rack (112) is fixedly mounted on the bottom outer wall of the mother frame cover (11) and the bottom outer wall of the sub-frame cover (21) by means of bolts.

4. The adaptable and adjustable cable tray according to claim 3, characterized in that: A smoke sensor (1121) and a buzzer (1122) are fixedly mounted on one side outer wall of the upper wire rack (112) by means of bolts, and the buzzer (1122) is electrically connected to the smoke sensor (1121) by means of a wire.

5. The adaptable and adjustable cable tray according to claim 3, characterized in that: Wire clamping grooves (1123) are provided on the bottom outer wall of the upper wire rack (112) and the top outer wall of the lower wire rack (12) at equal distances, and protective pads (1124) are glued to the side inner walls of the wire clamping grooves (1123).

6. The adaptable and adjustable cable tray according to claim 1, characterized in that: A connecting ear (221) is fixedly mounted inside the connecting groove (22) by means of bolts, and connecting holes (222) distributed at equal distances are formed on an outer wall on one side of the connecting ear (221).

7. The adaptable and adjustable cable tray according to claim 1, characterized in that: A crossbeam (4) is fixedly mounted between two opposing hanging frames (3) by means of bolts, and mounting holes (41) are provided at both ends of the crossbeam (4). Through holes (31) are provided on an outer wall of one side of the hanging frame (3) and are distributed at equal distances. Mounting bolts (311) are inserted into the through holes (31), and one end of the mounting bolts (311) is threadedly connected to the inside of the mounting hole (41).

8. The adaptable and adjustable cable tray according to claim 7, characterized in that: The bottom outer wall of the cross beam (4) is integrally formed with reinforcing ribs (42) distributed at equal distances, and one end of the reinforcing rib (42) is in contact with an adjacent hanging frame (3). Two positioning blocks (431) are clamped on the top outer wall of the cross beam (4), and the mother bridge frame (1) and the child bridge frame (2) are clamped between the two positioning blocks (431).

9. The adaptable and adjustable cable tray according to claim 8, characterized in that: A fixing hook (43) is integrally formed on the top outer wall of the crossbeam (4), a hook groove (432) is formed on the bottom outer wall of the positioning block (431), and the positioning block (431) is clamped inside the hook groove (432).

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