Power-uninterrupted operation robot for distribution network

Abstract

The invention discloses a distribution network uninterruptible operation robot, and relates to the field of distribution network robots, the distribution network uninterruptible operation robot comprises a hydraulic lifting frame and an electrical cabinet fixedly connected with the top end of the hydraulic lifting frame, the top of a supporting block is fixedly connected with a supporting block, the side wall of the supporting block is fixedly connected with a first mounting block, and the inner side of the first mounting block is provided with a rotating mechanism. The driving motor drives the first rotating rod to rotate so as to drive the first rotating plate to rotate, the first rotating plate slides in the stress groove through the second driving rod, acts on the second rotating plate and enables the second rotating plate to rotate, and the design of the stress groove determines the sliding angle and the rotating amplitude, so that the rotating angle of the second rotating rod is accurately controlled; the direction and posture of the operation mechanical arm are affected, accurate operation adjustment is achieved, the hydraulic lifting frame controls the electrical box to ascend and descend through hydraulic drive, a high-altitude power grid is conveniently overhauled, the operation efficiency and flexibility are improved through precise power transmission and a linkage mechanism, and the safety and reliability of high-altitude operation are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of power distribution robot technology, specifically a power distribution uninterrupted operation robot. Background Technology

[0002] Distribution network operations encompass the construction, operation, maintenance, and emergency repair of 10kV and below distribution networks within a power system. It is a core component ensuring the reliability of power supply to end users. Core activities include distribution network line erection, transformer installation and commissioning, switchgear operation and maintenance, emergency repair of faults, line upgrades and renovations, and live-line work.

[0003] However, in existing technologies, the orientation adjustment of the robotic arm relies heavily on operator experience and simple drives, lacking a precise angle control mechanism. This results in poor positioning accuracy, repeated adjustments that are time-consuming and labor-intensive, and seriously affect work efficiency. Secondly, the connection between the robotic arm and the work platform often uses traditional methods such as bolt fastening, which makes the installation and disassembly process cumbersome, time-consuming and labor-intensive, and makes it difficult to guarantee the rigidity and alignment of the connection, posing safety hazards. Thirdly, the posture adjustment mechanism of the robotic arm is often designed simply, such as relying on a single hydraulic cylinder for direct push. Under load, it is prone to vibration and deformation, resulting in insufficient stability of the end effector and difficulty in completing precise operations. Summary of the Invention

[0004] The purpose of this invention is to provide a power distribution network uninterrupted operation robot to solve the problems mentioned in the background art, which are that the direction adjustment of the operating robot arm relies heavily on the operator's experience and simple drive, lacks a fine angle control mechanism, resulting in poor positioning accuracy, time-consuming and laborious repeated adjustments, and seriously affecting the operation efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a power distribution network uninterrupted operation robot, comprising a hydraulic lifting frame and an electrical box fixedly connected to its top, a support block fixedly connected to the top of a support block, a first mounting block fixedly connected to the side wall of the support block, a rotating mechanism mounted inside the first mounting block, a mounting plate controlled by the rotating mechanism mounted on one side of the first mounting block, two mounting mechanisms fixedly mounted on the side wall of the mounting plate, an adjustment mechanism connected to one end of the mounting mechanism, a working robotic arm drivenly connected to one side of the adjustment mechanism, and the adjustment mechanism being used to control the angle of the working robotic arm; The rotating mechanism includes a first rotating rod rotatably connected to the inner wall of the first mounting block, a first rotating plate fixedly connected to the outer surface of the first rotating rod, a first sliding groove formed on the outer surface of the first rotating plate, a second rotating rod rotatably connected to the inner wall of the first mounting block, a second rotating plate fixedly connected to the outer surface of the second rotating rod, a force-receiving groove formed on the outer surface of the second rotating plate, and multiple sliders fixedly connected to the side wall of the second rotating plate, the sliders being slidably connected to the first sliding groove, and a second driving rod fixedly connected to one end of the first rotating plate and slidably connected to the force-receiving groove.

[0006] Preferably, a drive motor is mounted on the side wall of the first mounting block, and the output end of the drive motor is fixedly connected to the first rotating rod.

[0007] Preferably, the mounting mechanism includes a housing fixedly connected to the side wall of the mounting plate, a rotating platform rotatably connected to the inside of the housing, a gear ring fixedly connected to the side wall of the rotating platform, and multiple drive gears meshing with one side of the gear ring.

[0008] Preferably, one end of the drive gear is rotatably connected to the housing, and a first drive rod is inserted into the inner side of one of the drive gears. A slide rail is fixedly connected to the side wall of the rotating table, and a locking block is slidably connected to the surface of the slide rail.

[0009] Preferably, the inner side of the housing has an insertion hole, and the surface of the housing has a first limiting groove. An insertion rod is inserted into the inner side of the insertion hole, the locking block is slidably connected to the first limiting groove, and one end of the insertion rod is fixedly connected to an installation rod.

[0010] Preferably, the adjustment mechanism includes a second mounting block fixedly connected to one end of the mounting rod, the side wall of the second mounting block being rotatably connected to the working robot arm, and a second sliding groove being provided on the side wall of the second mounting block, with a limiting rod fixedly connected to one end of the working robot arm slidably connected inside the second sliding groove.

[0011] Preferably, a fixing plate is fixedly connected to the side wall of the second mounting block, a limit frame is fixedly connected to the side wall of the fixing plate, and a rack is slidably connected to one side of the limit frame.

[0012] Preferably, the rack surface has a second limiting groove that slides in connection with the limiting frame, and a driven gear is meshed on one side of the rack.

[0013] Preferably, a central rod is fixedly connected to the inner surface of the driven gear, and a support frame is rotatably connected to the outer surface of the central rod, with one end of the support frame fixedly connected to a fixed plate.

[0014] Preferably, a cylinder is installed on one side of the fixed plate, and a connecting frame is fixedly connected to the output end of the cylinder. One end of the connecting frame is fixedly connected to the rack.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, during power distribution network operations, a drive motor drives a first rotating rod to rotate, which in turn drives a first rotating plate to rotate. The first rotating plate slides within a force groove via a second drive rod, acting on the second rotating plate and causing it to rotate. The design of the force groove determines the sliding angle and rotation amplitude, thereby precisely controlling the rotation angle of the second rotating rod, influencing the direction and posture of the robotic arm, and achieving precise operational adjustments. The hydraulic lifting frame uses hydraulic drive to control the lifting of the electrical box, facilitating the maintenance of high-altitude power grids. The precise power transmission and linkage mechanism improves operational efficiency and flexibility, ensuring the safety and reliability of high-altitude operations.

[0016] 2. In this invention, the drive rod drives the active gear to rotate, which in turn acts on the gear ring, causing the rotating table to start rotating. During the rotation, the slide rail applies a control force to the locking blocks, ensuring that the three locking blocks move synchronously and limiting their range of movement. The position of the locking blocks is precisely controlled to clamp and position the mounting rod. This clamping ensures stability during the installation process. In addition, the cooperation between the plug rod and the plug hole further enhances the firmness of the installation. The entire process ensures the stability and accuracy of the installation and disassembly operations through the precise cooperation of each component. The technical solution improves the operating accuracy of the robotic arm and reduces the failure rate, ensuring safety and reliability in long-term use.

[0017] 3. In this invention, the operation of the robotic arm is achieved by moving the connecting frame via a cylinder, which in turn moves the rack. The rack slides along a straight line in cooperation with the second limiting groove and the limiting frame, ensuring precise positioning. The rack meshes with the driven gear, and the rotation of the driven gear drives the central rod to rotate. The central rod rotates stably under the support of the support frame, thereby adjusting the angle of the robotic arm. The driving of the connecting frame can finely adjust the angle of the robotic arm to adapt to different work requirements. The limiting rod slides in the groove, enhancing the stability of the robotic arm during rotation and preventing excessive swinging or tilting. Through the precise coordination of various components, the system achieves precise and stable angle adjustment of the robotic arm, ensuring efficient completion of work tasks in complex environments. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a power distribution network uninterrupted operation robot according to the present invention; Figure 2 This is a partial structural schematic diagram of a power distribution network uninterrupted operation robot according to the present invention; Figure 3 This is a schematic diagram of the internal structure of the first mounting block of a power distribution network uninterrupted operation robot according to the present invention; Figure 4 This is a schematic diagram of the rotating mechanism in a power distribution network uninterrupted operation robot according to the present invention; Figure 5 This is a schematic diagram of the installation mechanism in a power distribution network uninterrupted operation robot according to the present invention; Figure 6 This is a schematic diagram of the adjustment mechanism in a power distribution network uninterrupted operation robot according to the present invention; Figure 7 This is a schematic diagram showing the disassembled structure of the adjustment mechanism in a power distribution network uninterrupted operation robot according to the present invention.

[0019] In the diagram: 1. Hydraulic lifting frame; 2. Electrical box; 21. Support block; 3. First mounting block; 31. Drive motor; 32. Mounting plate; 4. Mounting mechanism; 41. Housing; 411. Plug-in hole; 42. First limiting groove; 43. Rotary table; 44. Drive gear; 441. First drive rod; 45. Gear ring; 46. Slide rail; 47. Locking block; 48. Mounting rod; 49. Plug-in rod; 5. Working robotic arm; 51. Limiting rod; 6. Rotation mechanism; 61. First rotating rod; 62. First rotating plate; 63. First sliding groove; 64. Second rotating plate; 65. Second rotating rod; 66. Sliding block; 67. Second driving rod; 68. Force-receiving groove; 7. Adjusting mechanism; 71. Second mounting block; 711. Second sliding groove; 72. Fixing plate; 73. Cylinder; 74. Connecting frame; 75. Rack; 751. Second limiting groove; 76. Limiting frame; 77. Driven gear; 78. Center rod; 781. Support frame. Detailed Implementation

[0020] 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.

[0021] Example 1: Refer to Figures 1-4 As shown: A power distribution network uninterrupted operation robot includes a hydraulic lifting frame 1 and an electrical box 2 fixedly connected to its top. A support block 21 is fixedly connected to the top of the support block 21. A first mounting block 3 is fixedly connected to the side wall of the support block 21. A rotating mechanism 6 is installed inside the first mounting block 3. A mounting plate 32 controlled by the rotating mechanism 6 is installed on one side of the first mounting block 3. Two mounting mechanisms 4 are fixedly installed on the side wall of the mounting plate 32. One end of the mounting mechanism 4 is connected to an adjustment mechanism 7. A working robot arm 5 is drivenly connected to one side of the adjustment mechanism 7. The adjustment mechanism 7 is used to control the angle of the working robot arm 5. The rotating mechanism 6 includes a first rotating rod 61 rotatably connected to the inner wall of the first mounting block 3, a first rotating plate 62 fixedly connected to the outer surface of the first rotating rod 61, a first sliding groove 63 formed on the outer surface of the first rotating plate 62, a second rotating rod 65 rotatably connected to the inner wall of the first mounting block 3, a second rotating plate 64 fixedly connected to the outer surface of the second rotating rod 65, a force-receiving groove 68 formed on the outer surface of the second rotating plate 64, and a plurality of sliders 66 fixedly connected to the side wall of the second rotating plate 64. The sliders 66 are slidably connected to the first sliding groove 63, and a second driving rod 67 slidably connected to the force-receiving groove 68 is fixedly connected to one end of the first rotating plate 62.

[0022] A drive motor 31 is mounted on the side wall of the first mounting block 3, and the output end of the drive motor 31 is fixedly connected to the first rotating rod 61.

[0023] In this embodiment, during power distribution network operation, the drive motor 31 provides power, and its output rotational motion drives the first rotating rod 61 to start rotating. As the first rotating rod 61 rotates, the first rotating plate 62 also begins to rotate. At this time, the second drive rod 67 connected to one end of the first rotating plate 62 slides within the force groove 68. The design of the force groove 68 directly affects the torque and angle during the sliding process.

[0024] As the second drive rod 67 slides within the force groove 68, it acts on the second rotating plate 64, causing it to rotate. During this process, the number and size of the force grooves 68 determine the sliding angle of the second drive rod 67 and the amplitude of the rotating plate's rotation. The precise design of the force grooves 68 allows for accurate control of the rotation angle of the second rotating plate 64, thereby affecting the rotation angle of the second rotating rod 65.

[0025] Through this mechanism, the robotic arm 5 can be precisely adjusted according to different operational needs. The linkage of each link can flexibly adjust the direction and posture of the robotic arm, ensuring that various operational tasks can be completed efficiently during power distribution operations.

[0026] Furthermore, the hydraulic lifting frame 1 utilizes hydraulic drive to control the lifting and lowering of the electrical box 2, thereby enabling the maintenance and repair of the high-altitude electrical grid. Through adjustments to the hydraulic system, the electrical box 2 can be raised to an appropriate height as needed, facilitating work at height for operators. This not only improves work efficiency but also significantly reduces the risks associated with working at height, ensuring safe operation.

[0027] In summary, this precise power transmission and control method can effectively improve the operational accuracy and flexibility in power distribution network operations, thereby enhancing overall operational efficiency and safety.

[0028] Example 2: Figure 3 and Figure 5 As shown, the mounting mechanism 4 includes a housing 41 fixedly connected to the side wall of the mounting plate 32. A rotating platform 43 is rotatably connected to the inside of the housing 41. A gear ring 45 is fixedly connected to the side wall of the rotating platform 43. Multiple drive gears 44 are meshed on one side of the gear ring 45. One end of each drive gear 44 is rotatably connected to the housing 41, and a first drive rod 441 is inserted into the inside of one of the drive gears 44. A slide rail 46 is fixedly connected to the side wall of the rotating platform 43, and a locking block 47 is slidably connected to the surface of the slide rail 46. An insertion hole 411 is provided inside the housing 41, and a first limiting groove 42 is provided on the surface of the housing 41. An insertion rod 49 is inserted into the insertion hole 411. The locking block 47 is slidably connected to the first limiting groove 42, and an installation rod 48 is fixedly connected to one end of the insertion rod 49.

[0029] In this embodiment, multiple precision mechanical components need to work in coordination during the installation and disassembly of the robotic arm to ensure operational efficiency and safety. The robotic arm can be flexibly installed and disassembled according to different operational needs and maintenance requirements. The following are the detailed steps and technical principles of this process: First, the rotation of the first drive rod 441 plays a crucial role in initiating the entire process. Through the drive transmission system, the rotation of the first drive rod 441 drives the drive gear 44 to rotate. The rotation of the drive gear 44 further acts on the gear ring 45, causing it to generate rotational force, thereby driving the rotating table 43 to start rotating.

[0030] When the rotating platform 43 begins to rotate, the rotation drives multiple components to move in tandem, especially by applying control force to the locking blocks 47 via the slide rails 46 on the side wall. The design of the slide rails 46 allows the locking blocks 47 to move synchronously along a preset trajectory during the rotation of the rotating platform 43. This synchronous movement is achieved through the coordinating action of the slide rails 46, ensuring that the three locking blocks 47 can move smoothly during rotation, thereby avoiding abnormal operation due to errors.

[0031] Furthermore, the first limiting groove 42 also plays a crucial role in the process. By constraining the movement trajectory of the locking block 47, the limiting groove ensures that the movement range of the locking block 47 does not exceed the design range, thereby precisely controlling the movement path of the locking block 47. This precise control enables the three locking blocks 47 to work together during rotation, ultimately clamping and positioning one end of the mounting rod 48. This clamping operation ensures the stability of the mounting rod 48 during installation, avoiding possible loosening or deviation.

[0032] To further enhance the stability and robustness of the installation, the insertion and engagement of the plug rod 49 with the plug hole 411 plays a crucial role. The precise mechanical fit during the insertion process further improves the stability of the installation, ensuring that the mounting rod 48 is firmly fixed in the required position after installation, thereby enhancing the overall structure's seismic resistance and operational accuracy.

[0033] Example 3: According to Figure 6 and Figure 7As shown, the adjustment mechanism 7 includes a second mounting block 71 fixedly connected to one end of the mounting rod 48. The side wall of the second mounting block 71 is rotatably connected to the working robot arm 5, and a second sliding groove 711 is provided on the side wall of the second mounting block 71. A limiting rod 51 fixedly connected to one end of the working robot arm 5 is slidably connected to the inner side of the second sliding groove 711. A fixing plate 72 is fixedly connected to the side wall of the second mounting block 71, and a limiting frame 76 is fixedly connected to the side wall of the fixing plate 72. A rack 75 is slidably connected to one side of the limiting frame 76. A second limiting groove 751 is provided on the surface of the rack 75, which is slidably connected to the limiting frame 76. A driven gear 77 is meshed on one side of the rack 75. A central rod 78 is fixedly connected to the inner surface of the driven gear 77, and a support frame 781 is rotatably connected to the outer surface of the central rod 78. One end of the support frame 781 is fixedly connected to the fixing plate 72. A cylinder 73 is installed on one side of the fixed plate 72. A connecting bracket 74 is fixedly connected to the output end of the cylinder 73. One end of the connecting bracket 74 is fixedly connected to the rack 75.

[0034] In this embodiment, during the operation of the robotic arm 5, the connecting frame 74 is moved by the cylinder 73, thereby adjusting the angle of the robotic arm 5. After the cylinder 73 starts working, it drives the connecting frame 74 to move along a predetermined path, which in turn drives the rack 75 to start moving.

[0035] During this process, the rack 75 slides along a linear trajectory through the engagement of the second limiting groove 751 and the limiting bracket 76. The second limiting groove 751 restricts the range of motion of the rack 75, while the limiting bracket 76 ensures that the rack 75 remains on the correct motion track, preventing deviation and thus achieving precise linear displacement. Simultaneously, the rack 75 meshes with the driven gear 77, applying a meshing force to the driven gear 77, causing the driven gear 77 to begin rotating.

[0036] The rotation of the driven gear 77 drives the central rod 78 connected to it to rotate. Supported and restrained by the support frame 781, the central rod 78 rotates smoothly. The support frame 781 effectively prevents excessive offset of the central rod 78, maintaining stability during rotation. As the central rod 78 rotates, the angle of the robotic arm 5 can be adjusted to meet different work requirements.

[0037] Furthermore, the drive of the connecting frame 74 has a fine-tuning function, which can precisely adjust the working angle of the robotic arm 5 during operation to meet different operational needs. Simultaneously, the limit rod 51 slides within the second slide groove 711, further enhancing the stability of the robotic arm 5 during rotation. The cooperation between the limit rod 51 and the second slide groove 711 ensures that the robotic arm 5 does not excessively swing or tilt during rotation, maintaining a stable state and improving the overall operational accuracy and reliability.

[0038] The device's operation and working principle are as follows: During power distribution work, the drive motor 31 drives the first rotating rod 61 to rotate, which in turn causes the first rotating plate 62 to rotate. The second drive rod 67 at one end of the first rotating plate 62 slides within a force-receiving groove 68, applying a force to the second rotating plate 64, thereby causing the second rotating plate 64 to rotate. By appropriately setting the number of force-receiving grooves 68, the angle at which the second drive rod 67 drives the second rotating rod 65 to rotate can be controlled, thus precisely adjusting the direction of the robotic arm 5 according to actual operational needs and improving operational efficiency.

[0039] In addition, the hydraulic lifting frame 1 controls the lifting of the electrical box 2 via hydraulic drive, which facilitates the maintenance of the high-altitude power grid.

[0040] According to operational and maintenance needs, the robotic arm 5 can be installed and disassembled. During this process, the first drive rod 441 rotates, driving the drive gear 44 to rotate, which in turn drives the gear ring 45, causing the rotating table 43 to start rotating. When the rotating table 43 rotates, the slide rail 46 on its side wall applies force to the locking block 47. As the rotating table 43 continues to rotate, the slide rail 46 coordinates the synchronous movement of the three locking blocks 47, while the first limiting groove 42 restricts the movement trajectory of the locking blocks 47, so that the three locking blocks 47 clamp and position one end of the mounting rod 48, completing the installation of the mounting rod 48. The insertion of the plug rod 49 into the plug hole 411 further enhances the stability and firmness of the installation.

[0041] When operating the robotic arm 5, cylinder 73 drives the connecting frame 74 to move, which in turn moves the rack 75. The rack 75 moves linearly under the constraint of the second limiting groove 751 and the limiting frame 76, and meshes with the driven gear 77, driving the driven gear 77 to rotate. The driven gear 77 drives the central rod 78 to rotate under the support and constraint of the support frame 781, thereby adjusting the angle of the robotic arm 5. The driving of the connecting frame 74 allows for fine-tuning of the working angle of the robotic arm 5, while the limiting rod 51 slides within the second sliding groove 711, enhancing the stability of the robotic arm 5 during rotation.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A power distribution network live-line operation robot, comprising a hydraulic lifting frame (1) and an electrical box (2) fixedly connected to its top, wherein a support block (21) is fixedly connected to the top of the support block (21), and a first mounting block (3) is fixedly connected to the side wall of the support block (21), characterized in that: A rotating mechanism (6) is installed inside the first mounting block (3). A mounting plate (32) controlled by the rotating mechanism (6) is installed on one side of the first mounting block (3). Two mounting mechanisms (4) are fixedly installed on the side wall of the mounting plate (32). An adjustment mechanism (7) is connected to one end of the mounting mechanism (4). A working robot arm (5) is connected to one side of the adjustment mechanism (7). The adjustment mechanism (7) is used to control the angle of the working robot arm (5). The rotating mechanism (6) includes a first rotating rod (61) rotatably connected to the inner wall of the first mounting block (3), a first rotating plate (62) fixedly connected to the outer surface of the first rotating rod (61), a first sliding groove (63) opened on the outer surface of the first rotating plate (62), a second rotating rod (65) rotatably connected to the inner wall of the first mounting block (3), a second rotating plate (64) fixedly connected to the outer surface of the second rotating rod (65), a force-receiving groove (68) opened on the outer surface of the second rotating plate (64), and a plurality of sliders (66) fixedly connected to the side wall of the second rotating plate (64). The sliders (66) are slidably connected to the first sliding groove (63), and a second driving rod (67) slidably connected to the force-receiving groove (68) is fixedly connected to one end of the first rotating plate (62).

2. The power distribution network live-line working robot according to claim 1, characterized in that: A drive motor (31) is installed on the side wall of the first mounting block (3), and the output end of the drive motor (31) is fixedly connected to the first rotating rod (61).

3. The power distribution network live-line working robot according to claim 1, characterized in that: The mounting mechanism (4) includes a housing (41) fixedly connected to the side wall of the mounting plate (32), a rotating platform (43) rotatably connected to the inside of the housing (41), a gear ring (45) fixedly connected to the side wall of the rotating platform (43), and a plurality of drive gears (44) meshing with one side of the gear ring (45).

4. The power distribution network live-line working robot according to claim 3, characterized in that: One end of the drive gear (44) is rotatably connected to the housing (41), and a first drive rod (441) is inserted into the inner side of one of the drive gears (44). A slide rail (46) is fixedly connected to the side wall of the rotating table (43), and a locking block (47) is slidably connected to the surface of the slide rail (46).

5. A power distribution network uninterrupted operation robot according to claim 4, characterized in that: The inner side of the housing (41) is provided with a plug hole (411) and the surface of the housing (41) is provided with a first limiting groove (42). A plug rod (49) is inserted into the inner side of the plug hole (411). The locking block (47) is slidably connected to the first limiting groove (42). One end of the plug rod (49) is fixedly connected to an installation rod (48).

6. The power distribution network live-line working robot according to claim 1, characterized in that: The adjustment mechanism (7) includes a second mounting block (71) fixedly connected to one end of the mounting rod (48). The side wall of the second mounting block (71) is rotatably connected to the working robot arm (5), and a second sliding groove (711) is provided on the side wall of the second mounting block (71). A limiting rod (51) fixedly connected to one end of the working robot arm (5) is slidably connected to the inner side of the second sliding groove (711).

7. A power distribution network live-line working robot according to claim 6, characterized in that: The second mounting block (71) has a fixed plate (72) fixedly connected to its side wall. The fixed plate (72) has a limit frame (76) fixedly connected to its side wall. The limit frame (76) has a rack (75) slidably connected to one side.

8. A power distribution network live-line working robot according to claim 7, characterized in that: The rack (75) has a second limiting groove (751) that is slidably connected to the limiting frame (76) on its surface, and a driven gear (77) is meshed on one side of the rack (75).

9. A power distribution network live-line working robot according to claim 8, characterized in that: A central rod (78) is fixedly connected to the inner surface of the driven gear (77), and a support frame (781) is rotatably connected to the outer surface of the central rod (78). One end of the support frame (781) is fixedly connected to the fixed plate (72).

10. A power distribution network live-line working robot according to claim 9, characterized in that: A cylinder (73) is installed on one side of the fixed plate (72), and a connecting frame (74) is fixedly connected to the output end of the cylinder (73). One end of the connecting frame (74) is fixedly connected to the rack (75).

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