Combined cable support with positioning function

Abstract

The invention discloses a combined cable support with a positioning function, and relates to the technical field of power cable construction equipment, the combined cable support comprises a stand column, one side of the stand column is vertically provided with a mounting groove in a penetrating manner, the front and rear sides of the stand column are provided with a plurality of mounting blocks, the mounting blocks are provided with mounting bolts in a penetrating manner, and the front and rear sides of the stand column are provided with a plurality of groups of positioning grooves; the supporting arm mechanism comprises a plurality of L-shaped supporting arm bodies, two fixing blocks are fixedly connected to the top and the bottom of each supporting arm body, L-shaped pull rods are movably arranged at the fixing blocks in a penetrating mode, the pull rods are rectangular cylinders, the L-shaped turning ends of the two pull rods in the same group are close to each other and spaced, and the other ends of the pull rods are clamped with the positioning grooves in a matched mode. According to the invention, cables can be fixed by a single person without a bandage, so that the cables are arranged orderly and can be reused; the corbel can be assembled and disassembled without a special tool, can be automatically locked and fixed, and is high in efficiency; the device is suitable for cables of various specifications, is stable in structure, is corrosion-resistant, and is suitable for various cable laying scenes.

Description

Technical Field

[0001] This invention relates to the field of power cable construction equipment technology, and in particular to a combined cable support with positioning function. Background Technology

[0002] Cables are wire products used to transmit electrical energy, information, and realize electromagnetic energy conversion. In a broad sense, they include all wires and cables, while in a narrow sense, they often refer to complex wires with structures such as insulation layers and protective layers. Modular cable supports are special devices used to support and fix cables. They are usually composed of multiple standard components (such as columns, brackets, support rods, etc.) and are widely used in power, communication, petrochemical, construction and other fields.

[0003] With the development of the times and society, the undergrounding of overhead power lines and cables has become an inevitable trend in urban power grid construction. Promoting underground power lines and cables can improve the operating environment of equipment, enhance the reliability of urban power supply, strengthen power supply capacity, and simultaneously improve the appearance of power equipment and the urban landscape. Underground cables are typically laid in cable trenches and tunnels, utilizing green areas along roadsides and sidewalk areas. Power cables have traditionally been fixed using modular cable supports for easy identification and to prevent cables from becoming tangled during installation.

[0004] A search revealed patent CN209104768U, which discloses a novel multifunctional cable support, comprising a cable support, a horizontal support arm, and a tail support. The cable support is equipped with a track, and the tail support is movably connected to the track. The horizontal support arm is movably connected to the tail support. A limit clip is provided below the connection point between the horizontal support arm and the tail support. This invention enables the urban power distribution network cable support to be movable and foldable, improving the utilization rate and flexibility of underground cable channels, and further promoting the safe production and construction of power systems.

[0005] As mentioned above, existing modular cable supports still have the following areas for improvement. For example, the existing technology typically uses binding straps or cable ties to position and fix cables, but this method of laying cables by binding straps or cable ties has the following problems:

[0006] First, cable binding usually requires two people: one to hold or position the cable while the other binds it. This is especially true in high-altitude, narrow, or complex environments, where the difficulty and labor intensity increase significantly. Second, traditional cable ties require manual winding, tightening, and cutting, which is a cumbersome process. Furthermore, the ties can easily get stuck when threaded into the locking mechanism, leading to repeated operations and significant time consumption. Third, when multiple cables are laid side-by-side, it is difficult to ensure the spacing and neat arrangement of each cable manually, resulting in crossings, overlaps, and compression, affecting heat dissipation and maintenance. Fourth, the cut cable ties leave behind varying lengths, affecting aesthetics, and the ends may scratch workers or damage the cables. Fifth, traditional nylon cable ties are discarded after cutting; if a cable needs to be replaced, they must be re-bound, making them unusable and leading to material waste and increased labor time.

[0007] In the existing technology, the cable bracket is generally connected and fixed to the column by pin bolts or other threaded fasteners. However, the use of pin bolts or other threaded fasteners makes the installation and subsequent disassembly of the bracket time-consuming and labor-intensive, resulting in low efficiency. This is because the installation and disassembly of pin bolts and other threaded fasteners not only require special disassembly tools, such as wrenches, but also require manual application of a large torque to turn the nut of the pin bolt or other threaded fasteners.

[0008] Therefore, in summary, there is an urgent need for a modular cable bracket with positioning function to solve the above-mentioned technical problems. Summary of the Invention

[0009] This invention discloses a combined cable bracket with a positioning function. By setting up a clamping and positioning mechanism, it eliminates the need for traditional binding straps when positioning and fixing cables. A single person can drive the clamping seat downward by rotating the screw, so that the clamping groove and the limiting groove cooperate to clamp the cable. The process is simplified and no special tools are required. The corresponding design of the limiting groove and the clamping groove, as well as the anti-slip pad layer, can effectively ensure that the spacing between multiple cables is uniform and the arrangement is neat, thereby effectively avoiding cross compression. At the same time, it is anti-slip and anti-wear, and can be repeatedly disassembled and adjusted, reducing material waste.

[0010] By incorporating a support arm mechanism, during the installation of the support arm body, two sets of L-shaped pull rods can be pulled first, compressing the springs. When pulling the rods, the operator can simultaneously pull two rods in the same set with one hand, or pull both sets of rods with both hands, avoiding any obstruction between the rods and the mounting groove for vertical movement. Then, the slider at one end of the support arm body can be matched and engaged with the limiting groove. Once the support arm body is adjusted to the installation position at the column, the two sets of pull rods can be released, the springs return to their original position, and the pull rods return to their original position and engage with the positioning groove for fixation, achieving automatic locking without the need for wrenches or other special tools and high torque. For disassembly, simply pulling the pull rods away from the positioning groove allows for vertical movement until the support arm body is removed, significantly improving installation and disassembly efficiency and reducing labor intensity. In summary, this solves the problems in the background technology.

[0011] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0012] The present invention provides a combined cable bracket with positioning function, including a column, a vertical through-hole for one side of the column, multiple mounting blocks for both the front and rear sides of the column, mounting bolts for each mounting block, and multiple sets of positioning slots for both the front and rear sides of the column.

[0013] The support arm mechanism includes multiple L-shaped support arm bodies. Two fixing blocks are fixedly connected to the top and bottom of each support arm body. An L-shaped pull rod is movably inserted through each fixing block. The pull rod is a rectangular column. The L-shaped turning ends of two pull rods in the same group are close to each other and spaced apart. The other end of the pull rod matches and engages with a positioning groove. An abutment plate is fixedly connected to the outside of the pull rod. A spring is sleeved on the outside of the pull rod. The two ends of the spring are fixedly connected to the abutment plate and the fixing plate, respectively. Multiple limiting grooves are opened laterally at equal intervals on the top of the support arm body.

[0014] A clamping and positioning mechanism includes multiple support seats, which are divided into multiple groups. Each group of multiple support seats is fixedly installed on the top of the support arm body, and a top seat is fixedly connected to the top of the multiple support seats in the same group. Multiple screws are threaded through the top seat, and a rotating handle is integrally provided on the top of each screw. A clamping seat is rotatably connected to the bottom of each screw through a rotating connector. A clamping groove is provided on the bottom of the clamping seat, and multiple clamping grooves are located directly above multiple limiting grooves. The top seat and the clamping seat are connected by a telescopic guide rod.

[0015] Furthermore, a T-shaped limiting groove is vertically opened inside the column, the limiting groove is connected to the mounting groove, and a T-shaped slider is fixedly connected to one end of the support arm body, the slider and the limiting groove are engaged with a clearance fit.

[0016] Furthermore, a triangular reinforcing support block is provided at the L-shaped turning surface of the support arm body, and the center of the reinforcing support block adopts a hollow design.

[0017] Furthermore, the fixing block, slider, reinforcing support block, support base, and top base are all made of fiberglass material, and the fixing block, slider, reinforcing support block, and support base are integrally fixedly connected to the support arm body. The support base and top base are also integrally fixedly connected. The pull rod and the abutment plate are both made of aluminum alloy material and are fixedly connected by welding.

[0018] Furthermore, the outer wall of the slider is a smooth surface, and the inner wall of the limiting groove is also a smooth surface.

[0019] Furthermore, the top of the clamping seat is provided with four telescopic guide rods, which are evenly distributed in a matrix.

[0020] Furthermore, anti-slip pads are bonded and fixed to the inner walls of both the limiting groove and the pressing groove, and the anti-slip pads are made of rubber material.

[0021] Furthermore, the L-shaped bend end of the pull rod extends to the outside of the mounting groove, and there is a gap between the L-shaped bend end of the pull rod and the nearest limiting groove.

[0022] Furthermore, the dimensions of the plurality of limiting grooves decrease sequentially, and the limiting groove closest to the pull rod has the largest dimension, and the dimensions of the plurality of pressing grooves are respectively matched with the dimensions of the plurality of limiting grooves.

[0023] Furthermore, both the front and rear sides of the support arm body are in contact with the front and rear sides of the mounting groove, and both the front and rear sides of the support arm body are smooth surfaces.

[0024] The present invention has the following advantages over the prior art:

[0025] (1) This technical solution has a clamping and positioning mechanism, so that when positioning and fixing the cable, there is no need for traditional binding straps. A single person can drive the clamping seat down by rotating the screw, so that the clamping groove and the limiting groove cooperate to clamp the cable. The process is simplified and no special tools are required. The corresponding design of the limiting groove and the clamping groove and the anti-slip pad layer can effectively ensure that the spacing between multiple cables is uniform and the arrangement is neat, thereby effectively avoiding cross compression. At the same time, it is anti-slip and anti-wear, and can be repeatedly disassembled and adjusted to reduce material waste.

[0026] (2) This technical solution is equipped with a support arm mechanism, which allows the two sets of L-shaped pull rods to be pulled first when installing the support arm body, so that the spring is compressed. When pulling the pull rods, the operator can pull the two pull rods of the same set simultaneously with one hand, and pull the two sets of pull rods with both hands, avoiding the formation of vertical movement obstruction between the pull rods and the mounting groove. Then, the slider at one end of the support arm body can be matched and engaged with the limiting slide groove. When the support arm body is adjusted to the installation position at the column, the two sets of pull rods can be released, the springs will return to their original position, and the pull rods will return to their original position and engage with the positioning groove of the matching position to achieve automatic locking. No special tools such as wrenches or high torque operation are required. When disassembling, only the pull rods need to be pulled away from the positioning groove to move up and down until the support arm body is removed, which greatly improves the installation and disassembly efficiency and reduces labor intensity.

[0027] (3) This technical solution can enhance the load-bearing strength by strengthening the support block, and the hollow design reduces the overall weight; the smooth surface of the slider and the limiting groove and the fit design of the support arm body and the mounting groove improve the installation stability; the limiting groove and the pressing groove of different sizes can be adapted to various specifications of cables, expanding the scope of application; the selection of fiberglass and aluminum alloy materials ensures corrosion resistance and structural durability. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the structure from another perspective of the present invention;

[0031] Figure 3 This is a schematic diagram of the column structure of the present invention;

[0032] Figure 4 This is a schematic diagram of the exploded structure of the support arm body of the present invention.

[0033] Figure 5 This is a schematic diagram of the planar structure of the support arm body of the present invention;

[0034] Figure 6 This is an exploded view of the tie rod installation structure of the present invention;

[0035] Figure 7 This is a schematic diagram of the exploded structure of the clamping seat installation of the present invention;

[0036] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point A in the diagram.

[0037] In the diagram: 1. Column; 2. Mounting groove; 3. Mounting block; 4. Mounting bolt; 5. Positioning groove; 6. Support arm body; 7. Fixing block; 8. Tie rod; 9. Abutment plate; 10. Spring; 11. Limiting groove; 12. Support seat; 13. Top seat; 14. Screw; 15. Rotating handle; 16. Pressing seat; 17. Pressing groove; 18. Telescopic guide rod; 19. Limiting slide groove; 20. Slider; 21. Reinforcing support block; 22. Anti-slip pad. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] In the description of this invention, it should be understood that the terms "surface", "side", "gap", "peripheral", etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0040] Reference Figures 1-8 A combined cable bracket with positioning function includes a column 1, a vertically penetrating mounting groove 2 on one side of the column 1, multiple mounting blocks 3 on both the front and rear sides of the column 1, mounting bolts 4 penetrating each mounting block 3, and multiple sets of positioning grooves 5 on both the front and rear sides of the column 1.

[0041] The support arm mechanism includes multiple L-shaped support arm bodies 6. Two fixing blocks 7 are fixedly connected to the top and bottom of each support arm body 6. An L-shaped pull rod 8 is movably inserted through the fixing block 7. The pull rod 8 is a rectangular column. The L-shaped turning ends of two pull rods 8 in the same group are close to each other and have a gap. The other end of the pull rod 8 is matched and engaged with the positioning groove 5. An abutment plate 9 is fixedly connected to the outside of the pull rod 8. A spring 10 is sleeved on the outside of the pull rod 8. The two ends of the spring 10 are fixedly connected to the abutment plate 9 and the fixing plate, respectively. Multiple limiting grooves 11 are opened horizontally at equal intervals on the top of the support arm body 6.

[0042] The clamping and positioning mechanism includes a support base 12, which is provided in multiple groups. The multiple support bases 12 are divided into multiple groups. The multiple support bases 12 in the same group are fixedly installed on the top of the support arm body 6. The top of the multiple support bases 12 in the same group is fixedly connected to a top seat 13. Multiple screws 14 are threaded through the top seat 13. The top of the screws 14 is integrally provided with a rotating handle 15. The bottom of the screws 14 is rotatably connected to a clamping seat 16 through a rotating connector. The bottom of the clamping seat 16 is provided with a clamping groove 17. The multiple clamping grooves 17 are located directly above the multiple limiting grooves 11. The top seat 13 and the clamping seat 16 are connected by a telescopic guide rod 18.

[0043] The interior of the column 1 is vertically perforated with a T-shaped limiting groove 19, which is connected to the mounting groove 2. One end of the support arm body 6 is fixedly connected to a T-shaped slider 20, which is engaged with the limiting groove 19 with a clearance fit. The L-shaped turning surface of the support arm body 6 is provided with a triangular reinforcing support block 21, and the center of the reinforcing support block 21 adopts a hollow design.

[0044] The fixing block 7, slider 20, reinforcing support block 21, support base 12 and top base 13 are all made of fiberglass material. The fixing block 7, slider 20, reinforcing support block 21 and support base 12 are integrally fixedly connected to the support arm body 6. The support base 12 and top base 13 are also integrally fixedly connected. The pull rod 8 and the abutment plate 9 are both made of aluminum alloy material and are fixedly connected by welding.

[0045] The outer wall of the slider 20 is a smooth surface, and the inner wall of the limiting groove 19 is also a smooth surface; the top of the clamping seat 16 is provided with four telescopic guide rods 18, which are evenly distributed in a matrix; the inner walls of the limiting groove 11 and the clamping groove 17 are both bonded with anti-slip pads 22, which are made of rubber; the L-shaped bend end of the pull rod 8 extends to the outside of the mounting groove 2, and there is a gap between the L-shaped bend end of the pull rod 8 and the nearest limiting groove 11;

[0046] The dimensions of the multiple limiting grooves 11 decrease sequentially, with the limiting groove closest to the pull rod 8 having the largest dimension. The dimensions of the multiple pressing grooves 17 are respectively matched with the dimensions of the multiple limiting grooves 11. The front and rear sides of the support arm body 6 are both in contact with the front and rear sides of the interior of the mounting groove 2, and the front and rear sides of the support arm body 6 are both smooth surfaces.

[0047] In the specific implementation process, the column 1 is first fixedly installed. Using the mounting bolts 4 at the mounting blocks 3 on both the front and rear sides of the column 1, the column 1 is securely fixed to the preset installation position on the side wall of the cable trench or the inner wall of the tunnel, ensuring that the verticality of the column 1 meets the construction specifications. Then, the support arm mechanism is installed. The worker holds the two sets of L-shaped pull rods 8 at the top and bottom of the support arm body 6 with both hands and pulls them away from the inner walls on both sides of the mounting groove 2. The pull rods 8 drive the externally fixed abutment plates 9 to move synchronously, causing the springs 10 sleeved on the outside of the pull rods 8 to contract and deform under the pressure of the abutment plates 9 and the fixing blocks 7. This eliminates potential interference with the positioning groove 5 of the column 1. The worker can simultaneously pull the two pull rods 8 of the same set with one hand, or pull both sets of pull rods 8 with both hands, making the operation convenient and efficient. Next, slide block 20 at one end of the support arm body 6 is aligned with the limiting groove 19 of the column 1 and inserted. Since both slide block 20 and limiting groove 19 are designed with smooth surfaces, the gap between them is smoothly engaged. At the same time, the front and rear sides of the support arm body 6 are tightly fitted with the front and rear sides of the interior of the mounting groove 2, ensuring stability during installation. After moving the support arm body 6 up and down along the limiting groove 19 to the installation position, the two sets of pull rods 8 are slowly released. The spring 10 returns to its original position under the action of elastic potential energy, pushing the abutment plate 9 to move the pull rods 8 towards the inner walls on both sides of the mounting groove 2, so that the ends of the pull rods 8 are precisely engaged in the corresponding positioning grooves 5, realizing the automatic locking and fixing of the support arm body 6. The entire installation process does not require special tools such as wrenches, nor does it require the application of strong torque. It can be completed by a single person.

[0048] After the support arm mechanism is installed, the cables are positioned and fixed. Based on the cable specifications, cables of different diameters are placed in the corresponding limiting grooves 11 on the top of the support arm body 6. The limiting grooves 11 closest to the pull rod 8 are the largest, decreasing in size from near to far, precisely accommodating the classification and placement needs of various cable specifications. After placement, the operator rotates the integrated rotating handle 15 on the top of the screw 14 at the top seat 13. Rotating the handle 15 moves the screw 14 downwards along the screw hole of the top seat 13. Since the bottom of the screw 14 is rotatably connected to the clamping seat 16 via a rotating connector, and the top seat 13 and the clamping seat 16 are connected by four evenly distributed matrix-like connectors... The telescopic guide rod 18 is connected, and the screw 14 only produces vertical displacement during rotation, which drives the clamping seat 16 to move down smoothly, avoiding deviation and tilting. As the clamping seat 16 moves down, the clamping groove 17 at its bottom gradually approaches the cable until the clamping groove 17 cooperates with the limiting groove 11 to clamp and fix the cable. At this time, the rubber anti-slip pad layer 22 on the inner wall of the limiting groove 11 and the clamping groove 17 is in close contact with the cable surface, which can not only enhance the friction to prevent the cable from sliding, but also avoid wear on the outer insulation layer of the cable. The corresponding design of multiple sets of limiting grooves 11 and clamping grooves 17 ensures that multiple cables maintain a uniform spacing and are arranged neatly and orderly, effectively avoiding crossing, overlapping and squeezing.

[0049] When the cable needs to be inspected or replaced, simply rotate the handle 15 in the opposite direction to move the screw 14 upward, allowing the clamping seat 16 to disengage from the cable and remove it. After the operation is completed, the screw 14 can be rotated again to re-fix the cable. No parts need to be replaced, and it can be reused. If the support arm body 6 needs to be disassembled for replacement, simply pull the pull rod 8 again to disengage it from the positioning groove 5, and it can move up and down along the limiting slide groove 19 until the support arm body 6 is removed. The disassembly process is also convenient and efficient, greatly reducing maintenance time. During long-term use, the triangular reinforced support block 21 at the L-shaped turning surface of the support arm body 6 effectively enhances the load-bearing strength of the support arm. Its central hollow design ensures structural strength while reducing the overall weight of the bracket and reducing the load pressure on the column 1. The fixing block 7, slider 20, reinforced support block 21 and other components are made of fiberglass, while the pull rod 8 and the abutment plate 9 are made of aluminum alloy. All of them have excellent corrosion resistance and structural stability, are suitable for complex and humid working environments such as cable trenches and tunnels, and extend the service life of the bracket.

[0050] Among them, the T-shaped limiting groove 19 cooperates with the slider 20 to limit the movement direction of the support arm body 6, preventing it from shifting left or right or falling off during installation and use. At the same time, the smooth surface design reduces movement resistance and improves installation convenience.

[0051] Among them, the triangular reinforced support block 21 enhances the structural strength of the L-shaped bend of the support arm body 6L, improves the load-bearing capacity, and the hollow design reduces the overall weight and reduces the load on the column 1 while ensuring strength.

[0052] Among them, fiberglass material has excellent corrosion resistance, insulation and strength, ensuring that the components can be used for a long time in complex environments. Aluminum alloy material is lightweight and high strength, ensuring the structural stability and service life of the pull rod 8. The integrated fixed connection improves the connection strength between components. The welded and fixed pull rod 8 is firmly and reliably connected to the abutment plate 9.

[0053] The smooth surface design of the slider 20 and the limiting groove 19 reduces the frictional resistance between them, making the up-and-down movement and position adjustment of the support arm body 6 smoother and reducing the difficulty of operation.

[0054] Among them, the four matrix-distributed telescopic guide rods 18 limit the movement trajectory of the clamping seat 16, ensuring that it remains horizontal during up and down movement, avoiding deviation that could cause uneven force on the cable, and improving the stability of positioning and fixing.

[0055] Among them, the rubber anti-slip pad layer 22 increases the friction with the cable surface, preventing the cable from sliding when subjected to force or environmental vibration. At the same time, the elastic material can buffer the pressure and prevent the outer insulation layer of the cable from being scratched or worn.

[0056] Among them, the L-shaped bend end of the pull rod 8 extends to the outside of the mounting groove 2, which makes it convenient for the staff to operate and pull. It maintains a distance from the nearest limiting groove 11 to avoid interference with the cable when operating the pull rod 8 and to ensure sufficient operating space.

[0057] Among them, the dimensions of the limiting groove 11 and the pressing groove 17 decrease sequentially and match each other, which can classify, position and fix cables of various specifications at the same time without replacing the support arm or positioning component, thus expanding the applicability of the bracket.

[0058] The front and rear sides of the support arm body 6 are fitted with the inner wall of the mounting groove 2, which further limits the installation position of the support arm body 6, prevents it from shaking during use, and improves the stability of the overall structure.

[0059] Among them, an anti-loosening nut (not shown in the figure) can be added to the screw connection between the screw 14 and the top seat 13. After the clamping seat 16 clamps the cable, tighten the anti-loosening nut to press against the upper surface of the top seat 13 to prevent the screw 14 from loosening due to long-term vibration and improve the fixing stability. This is an existing technology application and will not be described in detail here.

[0060] The top and bottom insertion ends of the slider 20 are provided with chamfered structures, and the entrance of the limiting slide groove 19 is provided with an flared guide surface, which reduces the difficulty of aligning the slider 20 with the limiting slide groove 19 and improves the installation efficiency of the support arm body 6.

[0061] The aluminum alloy pull rod 8 and the abutment plate 9 are both coated with an anti-corrosion coating.

[0062] Among them, a rubber grip can be added to the L-shaped bend end of the pull rod 8 to increase the grip friction.

[0063] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A combined cable bracket with positioning function, characterized in that, Includes a column (1), a vertically penetrating mounting groove (2) is provided on one side of the column (1), multiple mounting blocks (3) are provided on both the front and rear sides of the column (1), mounting bolts (4) are provided through each mounting block (3), and multiple sets of positioning grooves (5) are provided on both the front and rear sides of the column (1). The support arm mechanism includes multiple L-shaped support arm bodies (6). Two fixing blocks (7) are fixedly connected to the top and bottom of each support arm body (6). An L-shaped pull rod (8) is movably inserted through the fixing block (7). The pull rod (8) is a rectangular column. The L-shaped turning ends of two pull rods (8) in the same group are close to each other and have a gap. The other end of the pull rod (8) is matched and engaged with the positioning groove (5). An abutment plate (9) is fixedly connected to the outside of the pull rod (8). A spring (10) is sleeved on the outside of the pull rod (8). The two ends of the spring (10) are fixedly connected to the abutment plate (9) and the fixing plate, respectively. Multiple limiting grooves (11) are opened horizontally at equal intervals on the top of the support arm body (6). The clamping and positioning mechanism includes a support base (12), which is provided in multiple groups. The multiple support bases (12) are divided into multiple groups. The multiple support bases (12) in the same group are fixedly installed on the top of the support arm body (6). The top of the multiple support bases (12) in the same group is fixedly connected to a top seat (13). Multiple screws (14) are threaded through the top seat (13). The top of the screws (14) is integrally provided with a rotating handle (15). The bottom of the screws (14) is rotatably connected to a clamping seat (16) through a rotating connector. The bottom of the clamping seat (16) is provided with a clamping groove (17). The multiple clamping grooves (17) are located directly above the multiple limiting grooves (11). The top seat (13) and the clamping seat (16) are connected by a telescopic guide rod (18).

2. A combined cable bracket with positioning function according to claim 1, characterized in that, The column (1) has a T-shaped limiting groove (19) that runs vertically through its interior. The limiting groove (19) is connected to the mounting groove (2). One end of the support arm body (6) is fixedly connected to a T-shaped slider (20). The slider (20) and the limiting groove (19) are engaged with each other with a clearance fit.

3. A combined cable bracket with positioning function according to claim 2, characterized in that, The L-shaped turning surface of the support arm body (6) is provided with a triangular reinforcing support block (21), and the center of the reinforcing support block (21) adopts a hollow design.

4. A combined cable bracket with positioning function according to claim 3, characterized in that, The fixing block (7), slider (20), reinforcing support block (21), support seat (12) and top seat (13) are all made of fiberglass material. The fixing block (7), slider (20), reinforcing support block (21) and support seat (12) are integrally fixedly connected to the support arm body (6). The support seat (12) and top seat (13) are also integrally fixedly connected. The pull rod (8) and abutment plate (9) are both made of aluminum alloy material and are fixedly connected by welding.

5. A combined cable bracket with positioning function according to claim 2, characterized in that, The outer wall of the slider (20) is a smooth surface, and the inner wall of the limiting groove (19) is also a smooth surface.

6. A combined cable bracket with positioning function according to claim 1, characterized in that, The top of the clamping seat (16) is provided with four telescopic guide rods (18), which are designed in a matrix-like uniform distribution.

7. A combined cable bracket with positioning function according to claim 1, characterized in that, The inner walls of the limiting groove (11) and the pressing groove (17) are both bonded with anti-slip pads (22), which are made of rubber material.

8. A combined cable bracket with positioning function according to claim 1, characterized in that, The L-shaped bend end of the pull rod (8) extends to the outside of the mounting groove (2), and there is a gap between the L-shaped bend end of the pull rod (8) and the nearest limiting groove (11).

9. A combined cable bracket with positioning function according to claim 1, characterized in that, The dimensions of the plurality of limiting grooves (11) decrease sequentially, and the limiting groove closest to the pull rod (8) has the largest dimension. The dimensions of the plurality of pressing grooves (17) are respectively matched with the dimensions of the plurality of limiting grooves (11).

10. A combined cable bracket with positioning function according to claim 1, characterized in that, The front and rear sides of the support arm body (6) are both in contact with the front and rear sides of the interior of the mounting groove (2), and the front and rear sides of the support arm body (6) are both smooth surfaces.

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