Cable positioning device of power supply and distribution device

Abstract

The invention relates to the technical field of cable positioning, and discloses a cable positioning device of a power supply and distribution device, the cable positioning device of the power supply and distribution device comprises a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are both provided with fixing assemblies. According to the cable positioning device of the power supply and distribution device, by arranging the fixing assembly and rotating a rotating rod in a rotating groove, the included angle between a first mounting plate and a second mounting plate can be changed, a sliding block is moved on a sliding rail to drive a round rod and a limiting ring to synchronously move, and the limiting ring can drive a rubber block to rotate; the rubber block and the positioning groove form an annular fixing state, the limiting bolt is aligned and screwed into the bolt hole, the rubber block is fixed at the top end of the positioning groove, and the positioned cable is limited, clamped and fixed through the annular fixing state of the rubber block and the positioning groove, so that the positioning firmness is ensured, and the operation is convenient and flexible; and the later-stage disassembly is more convenient.

Description

Technical Field

[0001] This invention relates to the field of cable positioning technology, specifically to a cable positioning device for a power supply and distribution system. Background Technology

[0002] In a power system, power supply and distribution are the core links that transmit electrical energy from power plants to end users. This process covers three key stages: transmission, transformation, and distribution. It mainly undertakes the important functions of controlling the switching status of circuits and distributing electrical energy.

[0003] Due to the functional characteristics of power supply and distribution equipment, a large number of cables are usually laid inside to realize the transmission of electricity and signals. These cables are numerous and varied, and the space inside the equipment is limited. If there is a lack of effective positioning and fixing, problems such as cable tangling, messiness, and loosening are very likely to occur. This will not only affect the normal operation of the power supply and distribution equipment, but may also cause safety hazards such as short circuits and leakage due to cable friction and compression. Therefore, in order to ensure the stable and safe operation of power supply and distribution equipment, it is crucial to reasonably and reliably position and fix the internal cables.

[0004] Existing devices often involve complex procedures when locating cables, requiring multiple tools or steps to secure them. This not only increases the workload for installers and extends installation time, affecting installation efficiency, but also makes disassembly cumbersome during later maintenance or replacement, causing inconvenience. Due to the complex internal structure of power distribution equipment and the varying installation positions and routes of cables, cable positioning devices need to be able to adjust their angles according to different installation locations and cable routes. However, most existing cable positioning devices have relatively fixed positions and cannot flexibly adjust their angles, making it difficult to adapt to the different cable positioning angle requirements of various installation scenarios. This affects the positioning effect and may lead to cable damage due to uneven stress. Therefore, we propose a cable positioning device for power distribution equipment. Summary of the Invention

[0005] The purpose of this invention is to provide a cable positioning device for a power supply and distribution system to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A cable positioning device for a power supply and distribution equipment includes a first mounting plate and a second mounting plate. Both the first and second mounting plates have positioning grooves, and multiple sets of positioning grooves are provided. A rotating groove is provided on the first mounting plate. A rotating rod is fixedly mounted on the second mounting plate, and the rotating rod slidably fits inside the rotating groove. A fixing component is provided on both the first and second mounting plates, and the fixing component includes: The slide rail is fixedly installed on the outer wall of the first mounting plate and the second mounting plate. A slider is slidably installed inside the slide rail, and a round rod is rotatably installed inside the slider. A limiting ring is fixedly connected to one end of the round rod. A rubber block is fixedly installed on the arc-shaped inner wall of the limiting ring, and a bracket is fixedly installed on the other end of the limiting ring. A limiting bolt is provided inside the bracket. Bolt holes are provided on the first mounting plate and the second mounting plate, and the limiting bolt is threaded into the bolt holes.

[0007] In a further embodiment, both the first mounting plate and the second mounting plate are provided with mounting blocks on the side away from the positioning groove, and the mounting blocks are provided with through mounting holes, so as to better install the first mounting plate or the second mounting plate at the target position of the power supply and distribution device.

[0008] In a further embodiment, multiple sets of the positioning slots are arranged in a linear array at equal intervals, thereby enabling the fixing of more cables.

[0009] In a further embodiment, the slide rail, slider, round rod, limit ring, rubber block, bracket, limit bolt, and bolt holes are provided in multiple sets.

[0010] In a further embodiment, a limiting component is provided outside the limiting ring. The limiting component includes an annular groove. The second mounting plate has an annular groove, a rectangular groove, and a circular hole sequentially formed from the outside to the inside. A first fixing ring is fixedly installed inside the annular groove. A plug rod is slidably installed inside the center of the first fixing ring. The plug rod is slidably fitted inside the circular hole. A pull rod is fixedly installed on the circular outer wall of the plug rod. A rectangular pad is fixedly installed on the arc-shaped outer wall of the plug rod. The rectangular pad is slidably fitted inside the rectangular groove. A return spring is fixedly installed between the outer wall of the rectangular pad and the inner wall of the second mounting plate. The return spring is sleeved on the outside of the plug rod. A limiting hole is formed on the first mounting plate.

[0011] In a further embodiment, the limiting holes are provided in multiple sets, and the multiple sets of limiting holes are arranged in a circular array with equal spacing around the center of the circular cross-section of the rotating groove.

[0012] In a further embodiment, the outer diameter of the insertion rod is adapted to the inner diameter of the limiting hole, and the insertion rod is sleeved inside the limiting hole, so that the relative position of the first mounting plate and the second mounting plate is fixed after the first mounting plate rotates and adjusts the angle, thereby allowing for flexible adjustment according to the installation position and angle.

[0013] In a further embodiment, both the first mounting plate and the second mounting plate are provided with clamping components. The clamping components include threaded holes. The first mounting plate and the second mounting plate have threaded holes that communicate with positioning grooves. A threaded cylinder is threadedly fitted inside the threaded hole. A second fixing ring is fixedly installed inside the threaded cylinder. A connecting rod is slidably installed inside the center of the second fixing ring. The arc-shaped outer wall of the connecting rod is fixedly installed inside the center of the circular pad. A telescopic spring is sleeved on the outside of the connecting rod. The two ends of the telescopic spring are fixedly installed on the inner wall of the threaded cylinder and the outer wall of the circular pad, respectively.

[0014] In a further embodiment, a locking block is fixedly installed on the arc-shaped outer wall of the circular pad, and a sliding groove is opened on the arc-shaped side wall of the threaded cylinder. The locking block slides and fits inside the sliding groove. One end of a limiting block is fixedly installed on the circular outer wall of the connecting rod. The limiting block is trapezoidal, and a protrusion is fixedly installed on the other end of the limiting block.

[0015] In a further embodiment, two sets of threaded holes, threaded cylinders, second fixing rings, connecting rods, circular pads, telescopic springs, locking blocks, sliding grooves, limiting blocks, and protrusions are provided on the outside of a single positioning groove. The two sets of threaded holes, threaded cylinders, second fixing rings, connecting rods, circular pads, telescopic springs, locking blocks, sliding grooves, limiting blocks, and protrusions are mirror images of each other at both ends of the positioning groove to limit the cable on both sides and prevent the cable from bending in the positioning groove.

[0016] Compared with the prior art, the present invention provides a cable positioning device for a power supply and distribution system, which has the following advantages: 1. The cable positioning device of this power distribution unit, in order to better position and fix the cable, is equipped with a fixing component. After the cable is movably embedded into the positioning groove on the first mounting plate and the second mounting plate, the rotation of the rotating rod inside the groove changes the included angle between the first mounting plate and the second mounting plate. The slider moves on the slide rail, driving the round rod and the limiting ring to move synchronously. The limiting ring can drive the rubber block to rotate around the round rod as the fulcrum, so that the rubber block and the positioning groove form a ring-fixed state. When the outer wall of the bracket is in contact with the outer wall of the first mounting plate or the second mounting plate, the limiting bolt is aligned and screwed into the bolt hole, so that the rubber block is fixed at the top of the positioning groove. The ring-fixed state between the rubber block and the positioning groove limits and clamps the positioned cable, ensuring the firmness of the positioning. At the same time, the operation is more convenient and flexible, and the subsequent disassembly is also more convenient.

[0017] 2. The cable positioning device of this power distribution unit, in order to further improve the practicality and convenience of positioning and installation, is equipped with a limiting component. When the pull rod and the insertion rod are pulled, the rectangular pad slides in the rectangular groove, and the insertion rod slides in the same direction in the circular hole, thereby causing the return spring to stretch and deform, storing elastic potential energy. Through the rotation of the rotating rod inside the rotating groove, the included angle between the first mounting plate and the second mounting plate can change. After the first mounting plate and the second mounting plate rotate relative to each other, the insertion rod is released. After there is no pulling force, the deformation is restored by the extensibility of the return spring, causing the rectangular pad and the insertion rod to move back to their original positions. This allows the insertion rod to be inserted into the corresponding limiting hole, so that the first mounting plate and the second mounting plate can be fixed in relative position after the angle is adjusted by rotation. This allows for flexible adjustment according to the installation position and angle, improving the practicality and convenience of positioning and installation. In conjunction with the first fixing ring in the annular groove, it can also achieve the effects of limiting and facilitating disassembly and assembly.

[0018] 3. The cable positioning device of this power distribution unit improves positioning efficiency and cable fixing effect by setting up a clamping component. The internal thread of the threaded hole engages with the threaded cylinder, which facilitates the assembly and disassembly of the clamping component, thus improving efficiency. When the cable is inserted into the positioning groove, the outer wall of the cable pushes the limiting block and the protrusion to slide. At the same time, the limiting block also pushes the connecting rod and the circular pad to slide inside the second fixing ring and the threaded cylinder, respectively. The locking block slides synchronously inside the groove, which limits the movement direction of the connecting rod. This causes the telescopic spring to compress and deform, and uses its stored elastic potential energy to make the protrusion fit tightly against the outer wall of the cable, limiting the cable on both sides and preventing the cable from bending in the positioning groove. Multiple sets of equidistant limiting blocks and protrusions keep the cable in a straight state, improving positioning efficiency. Attached Figure Description

[0019] Figure 1 This is a first-view schematic diagram of the overall structure of the present invention; Figure 2 This is a second-view schematic diagram of the overall structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged structural diagram of region A in the middle; Figure 4 This is a third-view schematic diagram of the overall structure of the present invention; Figure 5 This is a schematic diagram of the second mounting plate and some structural connections of the present invention; Figure 6 For the present invention Figure 5 Enlarged structural diagram of region B in the middle; Figure 7 This is a first-view cross-sectional view of the second mounting plate of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram of region C in the middle; Figure 9 This is an exploded view of part of the structure of the present invention; Figure 10 This is a schematic diagram of the second mounting plate of the present invention from a second perspective. Figure 11 For the present invention Figure 10 A magnified structural diagram of region D in the middle; Figure 12 This is a schematic diagram of the threaded cylinder and some structural connections of the present invention; Figure 13 This is a first-view sectional view of the threaded cylinder of the present invention; Figure 14 This is a second-view sectional view of the threaded cylinder of the present invention.

[0020] Explanation of icon numbers: 1. First mounting plate; 2. Second mounting plate; 3. Positioning groove; 4. Rotary groove; 5. Rotary rod; 6. Fixing components; 61. Slide rail; 62. Slider; 63. Round rod; 64. Limiting ring; 65. Rubber block; 66. Bracket; 67. Limiting bolt; 68. Bolt hole; 7. Limiting component; 71. Circular groove; 72. Rectangular groove; 73. Circular hole; 74. First fixing ring; 75. Insert rod; 76. Pull rod; 77. Rectangular pad; 78. Return spring; 79. Limiting hole; 8. Clamping assembly; 81. Threaded hole; 82. Threaded cylinder; 83. Second fixing ring; 84. Connecting rod; 85. Circular pad; 86. Telescopic spring; 87. Locking block; 88. Slide groove; 89. Limiting block; 810. Protrusion. Detailed Implementation

[0021] 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.

[0022] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0023] Please see Figures 1-14 The present invention provides a technical solution: A cable positioning device for a power distribution device includes a first mounting plate 1 and a second mounting plate 2. Positioning grooves 3 are provided on both the first mounting plate 1 and the second mounting plate 2. Five sets of positioning grooves 3 are arranged in a linear array with equal spacing, thereby securing more cables. Additionally, mounting blocks are provided on the side of both the first mounting plate 1 and the second mounting plate 2 away from the positioning grooves 3, and these mounting blocks have through mounting holes (shown in the figure but not labeled) to better install the first mounting plate 1 or the second mounting plate 2 at the target position of the power distribution device. A rotating groove 4 is provided on the first mounting plate 1, and a rotating rod 5 is fixedly mounted on the second mounting plate 2, the rotating rod 5 slidingly fitting inside the rotating groove 4.

[0024] In one embodiment of the present invention, a fixing component 6 is provided on both the first mounting plate 1 and the second mounting plate 2. The fixing component 6 includes a slide rail 61. The slide rail 61 is fixedly installed on the outer wall of the first mounting plate 1 and the second mounting plate 2. A slider 62 is slidably installed inside the slide rail 61. A round rod 63 is rotatably installed inside the slider 62. One end of a limiting ring 64 is fixedly connected to the outside of the round rod 63. A rubber block 65 is fixedly installed on the arc-shaped inner wall of the limiting ring 64. A bracket 66 is fixedly installed on the other end of the limiting ring 64. A limiting bolt 67 is sleeved inside the bracket 66. Bolt holes 68 are opened on the first mounting plate 1 and the second mounting plate 2. The limiting bolt 67 is threaded into the bolt hole 68. In addition, five sets of slide rail 61, slider 62, round rod 63, limiting ring 64, rubber block 65, bracket 66, limiting bolt 67 and bolt hole 68 are provided on the first mounting plate 1 and the second mounting plate 2.

[0025] In this embodiment, the cable to be fixed is first movably embedded into the corresponding positioning grooves 3 on the first mounting plate 1 and the second mounting plate 2. The angle between the first mounting plate 1 and the second mounting plate 2 can be flexibly adjusted by the rotational characteristics of the rotating rod 5 within the rotating groove 4 to adapt to different installation requirements. Subsequently, the slider 62 slides on the slide rail 61. The movement of the slider 62 synchronously drives the round rod 63 and the limiting ring 64 to move together. Since the limiting ring 64 is rotatably connected to the round rod 63, the limiting ring 64 will drive the rubber block 65 to rotate and adjust around the round rod 63 as the fulcrum until the rubber block 65 forms a complete alignment with the positioning groove 3. The cable is encased in a ring-like structure. When the outer wall of the bracket 66 is in contact with the outer wall of the first mounting plate 1 or the second mounting plate 2, the limiting bolt 67 is aligned with the corresponding bolt hole 68 and screwed in. The rubber block 65 is fixed to the top of the positioning groove 3 through the threaded engagement. With the ring-like structure formed by the rubber block 65 and the positioning groove 3, the cable in the positioning groove 3 is stably limited and clamped, ensuring that the cable will not loosen during use. At the same time, this structural design makes the installation operation convenient and flexible. When the cable needs to be disassembled later, it can be easily completed by simply unscrewing the limiting bolt 67, which greatly improves the convenience of maintenance.

[0026] In one embodiment of the present invention, a limiting component 7 is provided on the outside of the limiting ring 64. The limiting component 7 includes an annular groove 71. The second mounting plate 2 is provided with an annular groove 71, a rectangular groove 72 and a circular hole 73 sequentially from the outside to the inside. A first fixing ring 74 is fixedly installed inside the annular groove 71. An insert rod 75 is slidably installed inside the center of the first fixing ring 74. The insert rod 75 is slidably fitted inside the circular hole 73. A pull rod 76 is fixedly installed on the circular outer wall of the insert rod 75. A rectangular pad 77 is fixedly installed on the arc-shaped outer wall of the insert rod 75. The rectangular pad 77 is slidably fitted inside the rectangular groove 72. A return spring 78 is fixedly installed between the outer wall and the inner wall of the second mounting plate 2. The return spring 78 is sleeved on the outside of the insertion rod 75. Limiting holes 79 are opened on the first mounting plate 1. In addition, there are eight sets of limiting holes 79, and the eight sets of limiting holes 79 are arranged in a circular array with the center of the circular cross-section of the rotating groove 4 as the array center. Furthermore, the outer diameter of the insertion rod 75 is adapted to the inner diameter of the limiting hole 79. The insertion rod 75 is sleeved inside the limiting hole 79, so that the relative position of the first mounting plate 1 and the second mounting plate 2 can be fixed after rotating and adjusting the angle, thereby allowing for flexible adjustment according to the installation position and angle.

[0027] In this embodiment, when it is necessary to adjust the relative angle between the first mounting plate 1 and the second mounting plate 2, the pull rod 76 is pulled, which will cause the insertion rod 75 to move together. At this time, the rectangular pad 77 on the insertion rod 75 will slide synchronously in the rectangular groove 72, and the insertion rod 75 itself will also slide in the same direction in the circular hole 73. The movement of the rectangular pad 77 will stretch the return spring 78, causing it to deform and store elastic potential energy. When the return spring 78 is in the stretched state, the rotation function of the rotating rod 5 inside the rotating groove 4 is used to adjust the first mounting plate 1 and the second mounting plate 2 to the required angle. After the angle adjustment is completed, the insertion rod 75 is released. At this time, when the return spring 78 loses its pulling force, it returns to its original shape by its own elasticity, driving the rectangular pad 77 and the insertion rod 75 to move back to their original position. This allows the insertion rod 75 to be inserted into the corresponding limiting hole 79 on the first mounting plate 1, thereby fixing the first mounting plate 1 and the second mounting plate 2 in the angular position after rotation adjustment. This achieves the purpose of flexible adjustment according to the actual installation position and angle, effectively improving the practicality and convenience of positioning installation. In addition, the first fixing ring 74 in the annular groove 71 plays a limiting and guiding role for the insertion rod 75, and also facilitates the disassembly and maintenance of the entire limiting assembly 7.

[0028] In one embodiment of the present invention, a clamping assembly 8 is provided on both the first mounting plate 1 and the second mounting plate 2. The clamping assembly 8 includes a threaded hole 81. The threaded hole 81 is provided on both the first mounting plate 1 and the second mounting plate 2. The threaded hole 81 communicates with the positioning groove 3. A threaded cylinder 82 is threadedly fitted inside the threaded hole 81. A second fixing ring 83 is fixedly installed inside the threaded cylinder 82. A connecting rod 84 is slidably installed inside the center of the second fixing ring 83. The arc-shaped outer wall of the connecting rod 84 is fixedly installed inside the center of the circular pad 85. A telescopic spring 86 is sleeved on the outside of the connecting rod 84. The two ends of the telescopic spring 86 are respectively fixedly installed on the inner wall of the threaded cylinder 82 and the outer wall of the circular pad 85. In addition, a locking block 87 is fixedly installed on the arc-shaped outer wall of the circular pad 85. A locking block 87 is provided on the arc-shaped side wall of the threaded cylinder 82. The slide groove 88 and the locking block 87 slide against the inside of the slide groove 88. One end of the limiting block 89 is fixedly installed on the circular outer wall of the connecting rod 84. The limiting block 89 is trapezoidal, and the other end of the limiting block 89 is fixedly installed with a protrusion 810. In addition, two sets of threaded holes 81, threaded cylinders 82, second fixing rings 83, connecting rods 84, circular pads 85, telescopic springs 86, locking blocks 87, slide grooves 88, limiting blocks 89 and protrusions 810 are provided on the outside of a single positioning groove 3. The two sets of threaded holes 81, threaded cylinders 82, second fixing rings 83, connecting rods 84, circular pads 85, telescopic springs 86, locking blocks 87, slide grooves 88, limiting blocks 89 and protrusions 810 are mirrored at both ends of the positioning groove 3 to limit the cable on both sides and prevent the cable from bending in the positioning groove 3.

[0029] In this embodiment, the clamping component 8 is installed and disassembled through the threaded engagement of the threaded hole 81 and the threaded cylinder 82. This connection method allows for quick assembly and disassembly when the clamping component 8 needs to be replaced or maintained, significantly improving work efficiency. When the cable is inserted into the positioning groove 3, the outer wall of the cable pushes the limiting block 89 and the protrusion 810 to slide together. The movement of the limiting block 89 causes the connecting rod 84 to slide inside the second fixing ring 83. At the same time, the circular pad 85 also slides synchronously inside the threaded cylinder 82. During this process, the locking block 87 slides inside the sliding groove 88, which limits the movement direction of the connecting rod 84 and prevents it from deviating. The sliding of the circular pad 85 compresses the telescopic spring 86, causing it to deform and store elastic potential energy. Utilizing the elastic restoring force of the telescopic spring 86, the circular pad 85, connecting rod 84, limiting block 89, and protrusion 810 tend to move in the opposite direction, causing the protrusion 810 to fit tightly against the outer wall of the cable, limiting and constraining it from both sides, thus preventing the cable from bending or shifting in the positioning groove 3. Since two sets of mirror-distributed clamping components 8 are provided outside the positioning groove 3, and multiple sets of equidistantly arranged limiting blocks 89 and protrusions 810 work together in the entire device, it can ensure that the cable always remains in a straight state, further improving the efficiency and fixation effect of cable positioning.

[0030] All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as riveting and welding that are mature in the prior art. The standard parts are all conventional models in the prior art, and will not be described in detail here.

[0031] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A cable positioning device for a power supply and distribution device, comprising a first mounting plate (1) and a second mounting plate (2), wherein positioning grooves (3) are provided on both the first mounting plate (1) and the second mounting plate (2), and multiple sets of positioning grooves (3) are provided; a rotating groove (4) is provided on the first mounting plate (1); a rotating rod (5) is fixedly mounted on the second mounting plate (2), and the rotating rod (5) slides and fits inside the rotating groove (4), characterized in that: Both the first mounting plate (1) and the second mounting plate (2) are provided with fixing components (6), the fixing components (6) including: The slide rail (61) is fixedly installed on the outer wall of the first mounting plate (1) and the second mounting plate (2). The slide rail (61) is slidably installed inside the slide rail (61). The slide rail (62) is rotatably installed inside the slide rail (62). A limiting ring (64) is fixedly connected to one end of the round rod (63). A rubber block (65) is fixedly installed on the arc-shaped inner wall of the limiting ring (64). A bracket (66) is fixedly installed on the other end of the limiting ring (64). The limiting bolt (67) is sleeved inside the bracket (66). The first mounting plate (1) and the second mounting plate (2) are provided with bolt holes (68). The limiting bolt (67) is threaded into the bolt hole (68).

2. The cable positioning device for a power supply and distribution system according to claim 1, characterized in that: The first mounting plate (1) and the second mounting plate (2) are each provided with a mounting block on the side away from the positioning groove (3), and the mounting block is provided with a through mounting hole.

3. The cable positioning device for a power supply and distribution system according to claim 1, characterized in that: Multiple sets of positioning slots (3) are arranged in a linear array with equal spacing.

4. The cable positioning device for a power supply and distribution system according to claim 1, characterized in that: The slide rail (61), slider (62), round rod (63), limiting ring (64), rubber block (65), bracket (66), limiting bolt (67) and bolt hole (68) are provided in multiple sets.

5. The cable positioning device for a power supply and distribution system according to claim 1, characterized in that: The limiting ring (64) is provided with a limiting component (7) on its outside. The limiting component (7) includes an annular groove (71). The second mounting plate (2) is provided with an annular groove (71), a rectangular groove (72) and a circular hole (73) from the outside to the inside. A first fixing ring (74) is fixedly installed inside the annular groove (71). A plug rod (75) is slidably installed inside the center of the first fixing ring (74). The plug rod (75) is slidably attached to the inside of the circular hole (73). A pull rod (76) is fixedly installed on the circular outer wall of the plug rod (75). A rectangular pad (77) is fixedly installed on the arc-shaped outer wall of the plug rod (75). The rectangular pad (77) is slidably attached to the inside of the rectangular groove (72). A return spring (78) is fixedly installed between the outer wall of the rectangular pad (77) and the inner wall of the second mounting plate (2). The return spring (78) is sleeved on the outside of the plug rod (75). A limiting hole (79) is provided on the first mounting plate (1).

6. The cable positioning device for a power supply and distribution system according to claim 5, characterized in that: The limiting holes (79) are provided in multiple sets, and the multiple sets of limiting holes (79) are arranged in a circular array with the center of the circular cross section of the rotating groove (4) as the array center and the spacing is equal.

7. The cable positioning device for a power supply and distribution system according to claim 6, characterized in that: The outer diameter of the insertion rod (75) is adapted to the inner diameter of the limiting hole (79), and the insertion rod (75) is sleeved inside the limiting hole (79).

8. The cable positioning device for a power supply and distribution system according to claim 1, characterized in that: The first mounting plate (1) and the second mounting plate (2) are both provided with clamping components (8). The clamping components (8) include threaded holes (81). The first mounting plate (1) and the second mounting plate (2) are provided with threaded holes (81). The threaded holes (81) are connected to the positioning groove (3). The threaded holes (81) are threadedly fitted with threaded cylinders (82). The threaded cylinders (82) are fixedly installed with second fixing rings (83). The center of the second fixing rings (83) is slidably installed with connecting rods (84). The arc-shaped outer wall of the connecting rods (84) is fixedly installed in the center of the circular pad (85). The connecting rods (84) are sleeved with telescopic springs (86). The two ends of the telescopic springs (86) are fixedly installed on the inner wall of the threaded cylinders (82) and the outer wall of the circular pads (85), respectively.

9. The cable positioning device for a power supply and distribution system according to claim 8, characterized in that: The circular pad (85) has a locking block (87) fixedly installed on its arc-shaped outer wall. The threaded cylinder (82) has a sliding groove (88) on its arc-shaped side wall. The locking block (87) slides and fits inside the sliding groove (88). The connecting rod (84) has a limiting block (89) fixedly installed on one end of its circular outer wall. The limiting block (89) is trapezoidal. The other end of the limiting block (89) has a protrusion (810) fixedly installed.

10. The cable positioning device for a power supply and distribution system according to claim 9, characterized in that: Two sets of threaded holes (81), threaded cylinders (82), second fixing rings (83), connecting rods (84), circular pads (85), telescopic springs (86), locking blocks (87), sliding grooves (88), limiting blocks (89), and protrusions (810) are provided outside a single positioning groove (3).

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