Free parking insulation platform for on-pole operation

Abstract

The invention discloses a free parking insulation platform for pole operation, and the platform comprises an annular pole holding mechanism which sleeves the outer side of a telegraph pole; a push plate fixing seat of the holding pole locking mechanism is controlled by a locking transmission assembly to slide in the annular holding pole mechanism and drives a push plate connecting rod assembly and two clamping block connecting rod assemblies to synchronously clamp the telegraph pole; a rotating rack of the pole holding rotating mechanism annularly slides through a sliding limiting device, and limiting clamping and rotating operation is conducted on the telegraph pole through a jacking limiting device and a rotating transmission device; the two ends of a lifting connecting rod of the lifting mechanism are hinged to the connecting support and the insulating platform assembly respectively. The connecting support is provided with a tape lifting device and controls rotation of the lifting connecting rod and lifting of the insulating platform assembly. The device is compact in structure, capable of achieving anti-skid self-adaptive holding with the telegraph pole, 360-degree rotation and accurate height adjustment, convenient to install and use, easy to operate, wide in operation range, high in operation efficiency, safe and reliable.

Description

Technical Field

[0001] This invention relates to the field of power construction technology, and in particular to a free-standing insulated platform for pole-mounted operations. Background Technology

[0002] In the power transmission and distribution network system, power poles, as key infrastructure supporting core electrical equipment such as high-voltage conductors, transformers, and insulators, are widely distributed in urban road networks, rural fields, and mountainous forest areas. Their operational status directly determines the stability and security of the power grid. With the continuous expansion of my country's power grid coverage and the increasing service life of equipment, problems such as aging electrical equipment, lightning strikes, and line losses occur frequently. This necessitates workers climbing to high altitudes to complete inspection, replacement, and maintenance operations. A single high-altitude operation typically lasts 1-4 hours, placing stringent requirements on the safety, stability, and convenience of auxiliary support equipment.

[0003] Currently, traditional tools used for working on 10kV distribution network poles have many limitations: foot straps have poor safety and consume a lot of physical strength; aerial work vehicles have poor terrain adaptability and high costs; and simple ladders lack stability and have a limited working range. Therefore, existing equipment cannot simultaneously meet the requirements of reliable anti-slip, pole rotation, height adjustment, and arbitrary stopping position, resulting in low work efficiency, high safety risks, and difficulty in adapting to the trend of automation and intelligence development in the power industry. Summary of the Invention

[0004] Based on the technical problems existing in the background art, the present invention proposes a free-stopping insulated platform for pole-mounted operations.

[0005] This invention proposes a free-stopping insulated platform for pole-mounted operations, comprising a ring-shaped pole-holding mechanism, a pole-holding locking mechanism, a pole-holding rotation mechanism, and a lifting mechanism. The pole-holding locking mechanism includes a locking transmission assembly, a push plate fixing seat, a push plate connecting rod assembly, and a clamping block connecting rod assembly. The push plate connecting rod assembly is mounted at the front end of the push plate fixing seat. Two clamping block connecting rod assemblies are respectively located on both sides in front of the push plate connecting rod assembly and are hinged to the push plate fixing seat. The push plate fixing seat is controlled by the locking transmission assembly to slide within the ring-shaped pole-holding mechanism, thereby driving the push plate connecting rod assembly and the two clamping block connecting rod assemblies to synchronously clamp the utility pole located inside the ring-shaped pole-holding mechanism. The pole-holding rotation mechanism includes a rotating frame, a jacking limit device, and... A rotary transmission device is included. The rotary frame is mounted on a ring-shaped guide rail on the upper surface of a pole-locking platform fixed to the outer wall of the utility pole via a sliding limiting device. The jacking limiting device and the rotary transmission device are respectively installed in the rotary frame and limit and clamp the utility pole. The rotary frame is controlled to rotate around the utility pole by the rotary transmission device. The lifting mechanism includes a connecting bracket, a lifting connecting rod, and an insulating platform assembly. The connecting bracket is fixedly installed on the rotary frame, and the insulating platform assembly is located on the outer side of the utility pole. The two ends of the lifting connecting rod are respectively hinged to the connecting bracket and the insulating platform assembly. A belt lifting device is provided on the connecting bracket and controls the rotation of the lifting connecting rod and the lifting of the insulating platform assembly.

[0006] Preferably, the annular clamping rod mechanism is composed of a large arc segment frame and a small arc segment frame. One end of the large arc segment frame is hinged to one end of the small arc segment frame via a hinge pin, and the other end of the large arc segment frame is closed and locked to the other end of the small arc segment frame via a hand-tightening handle. The other ends of the large arc segment frame and the small arc segment frame are provided with interconnecting threaded locking holes. The front end of the hand-tightening handle is provided with a locking threaded rod, which is threaded and installed through the threaded locking hole at the other end of the large arc segment frame. By turning the hand-tightening handle, the front end of the locking threaded rod can be screwed into the threaded locking hole at the other end of the small arc segment frame.

[0007] Preferably, the large arc segment frame is provided with a push plate motion guide rail. The push plate fixing seat is mounted on the push plate motion guide rail via a push plate motion slider and is controlled to slide on the push plate motion guide rail by a locking transmission assembly. The locking transmission assembly includes a transmission component mounting seat, gear one, gear two, a transmission screw, and a transmission nut. The transmission component mounting seat is located on the rear side of the push plate fixing seat and fixed in the large arc segment frame. A rod locking motor is installed in the transmission component mounting seat. Gear one is mounted on the output shaft of the rod locking motor. Gear two is mounted on the transmission component mounting seat via a bearing and meshes with gear one. The rear end of the transmission screw is fixedly connected to the central rotating shaft of gear two. The transmission nut is fixedly mounted on the push plate fixing seat. The front end of the transmission screw passes through the transmission nut, and the front end of the transmission screw is provided with an outer... The thread is compatible with the internal thread on the inner wall of the transmission nut; the push plate connecting rod assembly consists of a rod-holding push plate, a push plate bracket, and a connecting rod two. The push plate bracket has two parts, upper and lower, both mounted on the front side of the push plate fixing seat via connecting rod two. The rod-holding push plate is mounted on the front end face of the two push plate brackets. The connecting rod two connected to the push plate bracket has at least two parts, and the front and rear ends of the connecting rod two are respectively hinged to the rear end of the push plate bracket and the push plate fixing seat; the clamping block connecting rod assembly consists of a rod-holding clamping block, a swing rod one, and a connecting rod one. The swing rod one is mounted in the large arc segment frame and is rotatably connected by a fixing pin one. The rod-holding clamping block is hinged to the front end of the swing rod one via hinge pin four. The rear end of the connecting rod one is rotatably connected to the push plate fixing seat via hinge pin two. The front end of the connecting rod one and the rear end of the swing rod one are rotatably connected via hinge pin three.

[0008] Preferably, the rotating frame includes a C-shaped rotating frame and a front arc-shaped rotating frame. The C-shaped rotating frame and the front arc-shaped rotating frame are rotatably connected at one end via a rotating shaft, and the other end is locked by a quick-release pin. The C-shaped rotating frame is composed of a rear arc-shaped rotating frame and a square tube frame. Two square tube frames are provided and fixedly connected to both sides of the rear arc-shaped rotating frame. Two sliding limit devices are provided and installed on the lower end faces of the two square tube frames respectively. Each device includes a linear guide rail, a roller slider, a slider mounting seat, and a V-groove roller. The linear guide rail is installed on the lower end face of the square tube frame. The roller slider slides under the linear guide rail. The slider mounting seat is fixed on the lower end face of the roller slider. The V-groove roller is installed on the lower end face of the slider mounting seat. The V-groove roller can engage with the annular guide rail provided on the upper end face of the clamping platform and slide.

[0009] Preferably, the rear arc-shaped rotating frame is composed of parallel upper arc-shaped fixing plates and lower arc-shaped fixing plates, and the front arc-shaped rotating frame is composed of parallel upper arc-shaped rotating plates and lower arc-shaped rotating plates. The upper and lower arc-shaped fixing plates, and the upper and lower arc-shaped rotating plates, are fixedly supported by several support columns. A jacking slide rail is provided on the lower end face of the upper arc-shaped fixing plate and the upper end face of the lower arc-shaped fixing plate. The two jacking slide rails are parallel to each other and arranged along the axial direction of the utility pole. The jacking limiting device includes a wheel frame, a rubber wheel, a jacking nut, and a jacking screw. The jacking nut is located via a nut seat. The machine slides on two jacking rails. The wheel frame is located inside the rear arc-shaped rotating frame and a buffer spring is provided between it and the nut seat. At least two rubber wheels are provided and are all mounted on the wheel frame. One end of the jacking screw is installed in the jacking nut, and the external thread at its end is adapted to the internal thread on the inner wall of the jacking nut. The other end of the jacking screw is fixed to the output shaft of the jacking motor installed inside the rear arc-shaped rotating frame. At least two linear bearings are installed inside the rear arc-shaped rotating frame. Each linear bearing is equipped with a guide shaft. The guide shaft is parallel to the jacking screw and its front end is fixed to the wheel frame.

[0010] Preferably, the rotary transmission device includes a pulley fixing plate, a first synchronous pulley, a second synchronous pulley, a synchronous belt, a pulley motion motor, and a second rubber wheel. The pulley fixing plate is mounted on the upper surface of the upper arc-shaped rotating plate. Two second synchronous pulleys are provided, and both are mounted on the upper surface of the pulley fixing plate via bearings, with the two second synchronous pulleys and the first synchronous pulley located at the three vertices of an isosceles triangle, respectively. The synchronous belt is mounted on the two second synchronous pulleys and the first synchronous pulley. The first synchronous pulley is rotated by the pulley motion motor. Two second rubber wheels are provided and fixedly mounted on the rotation shafts of the two second synchronous pulleys, respectively.

[0011] Preferably, the connecting bracket includes square tube one, square tube two, and square tube three. Two square tubes one are vertically arranged and parallel to each other, and each of them is provided with a hanging plate at its top. The hanging plate is provided with bracket mounting holes, and the two hanging plates are respectively fixed to the two square tube frames by bolts in the bracket mounting holes. Square tube two is horizontally fixed at the rear end of the two hanging plates or at the top outer side of the two square tubes one. Square tube three is horizontally fixed at the bottom inner side of the two square tubes one.

[0012] Preferably, the square tube three is provided with a rolling support device, which includes a roller support, an adjusting screw, an adjusting nut, an adjusting handle, rubber roller three, bushings, and a limiting guide shaft; the adjusting nut is installed in the nut hole of the square tube three, the adjusting screw passes through the adjusting nut and the external thread on the adjusting screw is adapted to the internal thread on the inner wall of the adjusting nut; the roller support is fixed to the front end of the adjusting screw, two rubber roller three are provided and installed in the roller support, the rubber roller three can rotate along the outer wall of the utility pole, and the adjusting handle is installed at the rear end of the adjusting screw; two bushings are provided and symmetrically installed in the bushing holes of the square tube three on both sides of the adjusting nut, two limiting guide shafts are provided and correspondingly installed in the bushings, and their front ends are fixed on the roller support.

[0013] Preferably, the insulating platform assembly includes an insulating platform with a square bracket mounted at its front end; the lifting linkage consists of four parallel and symmetrical rods, each with its rear end hinged to the square bracket, wherein the front ends of two of the lifting linkages are hinged to different heights on one of the square tubes, and the front ends of the other two lifting linkages are hinged to different heights on another square tube; at least one of the four lifting linkages has a linkage positioning hole, and a locking disc is provided on the square bracket at the connection point between the linkage and the square bracket, the locking disc having several adjustment positioning holes, and the linkage positioning hole and the adjustment positioning hole being locked and fixed by a pin.

[0014] Preferably, the tape lifting device includes a tape motor base, a first helical gear, a second helical gear, a tape reel, a conveyor belt, an absolute encoder, and a brake motor; the tape motor base is mounted on the square tube 2, the brake motor is mounted on the tape motor base, the first and second helical gears mesh and are both mounted inside the tape motor base, and the first helical gear is connected to the output shaft of the brake motor; the second helical gear is connected in series with the tape reel via the central shaft of the tape reel, and the absolute encoder is mounted on the outer end face of the tape reel or installed on... At one end of the central shaft of the reel, one end of the hoisting belt is fixed on the central shaft of the reel between the helical gear and the reel; a pulley mounting seat is provided on the square bracket, and a pulley is installed on the pulley mounting seat; a fixed shaft is installed inside the reel motor base, and the other end of the hoisting belt passes around the pulley and is fixed on the fixed shaft; a guide wheel bracket is hinged inside the reel motor base, and a guide wheel is installed at the front end of the guide wheel bracket; the guide wheel is pressed onto the hoisting belt by its own weight and the weight of the guide wheel bracket or the preload at the hinge of the guide wheel bracket.

[0015] The beneficial effects of this invention are as follows:

[0016] (1) The free-stop insulating platform for pole operation of the present invention forms a three-point synchronous clamping structure with the utility pole through the push plate connecting rod assembly and two clamping block connecting rod assemblies, which can be adapted to the adaptive clamping of utility poles of different diameters and has a wide range of applications.

[0017] (2) The free-stopping insulated platform for pole operation of the present invention has a mechanical self-locking structure with a parallelogram structure formed by the pole push plate and two connecting rods in the push plate connecting rod assembly and the push plate fixing seat. It has better anti-slip performance, higher stability, and can effectively prevent the risk of falling from height.

[0018] (3) The present invention provides a free-stop insulating platform for pole operation, which is installed on the rotating frame on the upper end of the ring pole holding mechanism. It slides in a ring through a sliding limit device, and clamps the pole through a jacking limit device and a rotating transmission device. The rotating transmission device can control the pole to rotate 360° around it, which has a wide operating range and high operating efficiency.

[0019] (4) The present invention provides a free-stop insulating platform for pole operation, which controls the rotation of the lifting link through the belt lifting device, thereby driving the lifting of the insulating platform assembly, thereby achieving precise adjustment of the lifting height, covering different working points on the utility pole, eliminating the need for frequent equipment movement, greatly improving work efficiency; and enabling large displacement lifting in small spaces, suitable for narrow working environments.

[0020] (5) The pole-mounted free-stopping insulated platform of the present invention has a compact structure, can achieve anti-slip adaptive gripping with the utility pole, 360° rotation and precise height adjustment, is easy to install and use, simple to operate, has a wide operating range, high operating efficiency and is safe and reliable. Attached Figure Description

[0021] Figure 1 : A schematic diagram of the structure of the present invention;

[0022] Figure 2 Schematic diagram of the structure of the ring-shaped pole-holding mechanism, the pole-holding locking mechanism and the pole-holding rotating mechanism of the present invention. Figure 1 ;

[0023] Figure 3 Schematic diagram of the structure of the ring-shaped pole-holding mechanism, the pole-holding locking mechanism and the pole-holding rotating mechanism of the present invention. Figure 1 ;

[0024] Figure 4 Schematic diagram of the ring-shaped pole-holding mechanism and pole-holding locking mechanism of the present invention Figure 1 ;

[0025] Figure 5 Schematic diagram of the ring-shaped pole-holding mechanism and pole-holding locking mechanism of the present invention Figure 2 ;

[0026] Figure 6 : A top view of the structure of the ring-shaped pole-holding mechanism and the pole-holding locking mechanism of the present invention;

[0027] Figure 7 : A schematic diagram of the installation structure of the pole-clamping locking mechanism and the adaptive clamping of the utility pole according to the present invention;

[0028] Figure 8 : A schematic diagram of the structure of the locking transmission assembly, the push plate fixing seat and the push plate connecting rod assembly of the rod locking mechanism of the present invention;

[0029] Figure 9 : A schematic diagram of the structure of the pole-mounting rotating mechanism of the present invention;

[0030] Figure 10 : A bottom view of the structure of the pole-mounting rotating mechanism of the present invention;

[0031] Figure 11 : A front view of the lifting mechanism of the present invention;

[0032] Figure 12 : A schematic diagram of the structure of the rolling support device of the lifting mechanism of the present invention;

[0033] Figure 13 Schematic diagram of a partial structure of the belt lifting device of the lifting mechanism of the present invention. Figure 1 ;

[0034] Figure 14 Schematic diagram of a partial structure of the belt lifting device of the lifting mechanism of the present invention. Figure 2 . Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0036] Example 1:

[0037] Reference Figure 1-14 The present invention proposes a free-stopping insulated platform for pole operation, comprising a ring-shaped pole holding mechanism 100, a pole holding locking mechanism 200, a pole holding rotating mechanism 300, and a lifting mechanism 400.

[0038] The annular pole-holding mechanism 100 consists of a large arc-shaped frame 110 and a small arc-shaped frame 120. One end of the large arc-shaped frame 110 is hinged to one end of the small arc-shaped frame 120 via a hinge pin 130, and the other end of the large arc-shaped frame 110 is closed and locked to the other end of the small arc-shaped frame 120 via a hand-tightening handle 140, which improves the stability of the overall device. Simultaneously, it provides support for the pole-holding rotation mechanism 300, forming the rotational foundation for the pole-holding rotation mechanism 300.

[0039] The pole clamping mechanism 200 includes a locking transmission assembly 210, a push plate fixing seat 220, a push plate connecting rod assembly 230, and a clamping block connecting rod assembly 240. The push plate connecting rod assembly 230 is installed at the front end of the push plate fixing seat 220. Two clamping block connecting rod assemblies 240 are provided and respectively located on both sides in front of the push plate connecting rod assembly 230, and both are hinged to the push plate fixing seat 220. The push plate fixing seat 220 is controlled by the locking transmission assembly 210 to slide in the annular pole clamping mechanism 100, and drives the push plate connecting rod assembly 230 and the two clamping block connecting rod assemblies 240 to synchronously clamp the utility pole 900 located inside the annular pole clamping mechanism 100.

[0040] By rotating the locking transmission assembly 210 in both directions, the push plate connecting rod assembly 230 and the two clamping block connecting rod assemblies 240 are driven to form a three-point synchronous clamping structure with the utility pole 900. This structure can adapt to the self-adaptive clamping of utility poles 900 with different diameters, making it widely applicable. Simultaneously, the push plate connecting rod assembly 230 and the push plate fixing seat 220 form a parallelogram-shaped anti-fall structure, providing better anti-slip performance and higher stability, effectively preventing the risk of falls from heights.

[0041] The pole-holding rotation mechanism 300 includes a C-shaped rotating frame, a front arc-shaped rotating frame 330, a jacking limit device 340, and a rotary transmission device 360. The C-shaped rotating frame is mounted on the upper surface of the annular pole-holding mechanism 100 via a sliding limit device 350 for annular sliding. One end of the C-shaped rotating frame and the front arc-shaped rotating frame 330 are rotatably connected via a rotating shaft 380, and the other end is locked via a quick-release pin 370. The jacking limit device 340 and the rotary transmission device 360 ​​are respectively installed in the C-shaped rotating frame and the front arc-shaped rotating frame 330 and clamp the utility pole 900. The C-shaped rotating frame and the front arc-shaped rotating frame 330 are controlled by the rotary transmission device 360 ​​to rotate 360° around the utility pole 900, providing a wide operating range and high operating efficiency.

[0042] The lifting mechanism 400 includes a connecting bracket 410, a lifting link 420, and an insulating platform assembly 430. The connecting bracket 410 is fixedly mounted on the rotating frame of the pole rotating mechanism 300. The insulating platform assembly 430 is located on the outside of the utility pole 900, and both ends of the lifting link 420 are hinged to the connecting bracket 410 and the insulating platform assembly 430, respectively. A tape reel lifting device 440 is provided on the connecting bracket 410 to control the rotation of the lifting link 420 and the lifting of the insulating platform assembly 430. At least two lifting links 420 are provided and are parallel to each other. Therefore, the two lifting links 420, the connecting bracket 410, and the insulating platform assembly 430 form a parallelogram structure. When the insulating platform assembly 430 is lifted under the control of the tape reel lifting device 440, it can always maintain a horizontal and stable state, improving the operator's comfort and safety. The rotation of the lifting linkage 420 is controlled by the belt lifting device 440, which in turn drives the lifting of the insulating platform assembly 430, thereby achieving precise adjustment of the lifting height. This can cover different working points at different heights on the utility pole 900, eliminating the need for frequent movement of equipment and greatly improving work efficiency. Moreover, it can achieve large displacement lifting in small spaces, making it suitable for narrow working environments.

[0043] Example 2:

[0044] Reference Figure 1-14 The present invention proposes a free-stopping insulated platform for pole operation, comprising a ring-shaped pole holding mechanism 100, a pole holding locking mechanism 200, a pole holding rotating mechanism 300, and a lifting mechanism 400.

[0045] (1) Ring-shaped lever mechanism.

[0046] The ring-shaped lever mechanism 100 consists of a large arc-shaped frame 110 and a small arc-shaped frame 120. One end of the large arc-shaped frame 110 is hinged to one end of the small arc-shaped frame 120 via a hinge pin 130, and the other end of the large arc-shaped frame 110 is closed and locked to the other end of the small arc-shaped frame 120 via a hand-tightening handle 140. The specific structure is as follows:

[0047] The large arc-shaped frame 110 includes an upper arc-shaped mounting plate 111, a lower arc-shaped mounting plate 112, and a second support plate 123. The upper arc-shaped mounting plate 111 and the lower arc-shaped mounting plate 112 have identical structures, and the second support plate 123 is fixedly installed between one end of the upper arc-shaped mounting plate 111 and one end of the lower arc-shaped mounting plate 112. The small arc-shaped frame 120 includes an upper arc-shaped movable plate 121, a lower arc-shaped movable plate 122, and a second support plate 123. The upper arc-shaped mounting plate 111 and the lower arc-shaped mounting plate 112 have identical structures, and the second support plate 113 is fixedly installed between one end of the upper arc-shaped mounting plate 111 and one end of the lower arc-shaped mounting plate 112. Several equally spaced support columns 150 are provided between the upper arc-shaped mounting plate 111 and the lower arc-shaped mounting plate 112, and between the upper arc-shaped movable plate 121 and the lower arc-shaped movable plate 122 for connection and fixation.

[0048] The upper arc-shaped mounting plate 111 and lower arc-shaped mounting plate 112 of the large arc-shaped frame 110, and the upper arc-shaped movable plate 121 and lower arc-shaped movable plate 122 of the small arc-shaped frame 120 are hinged at their other ends by a hinge pin 130. One end of the large arc-shaped frame 110 and the small arc-shaped frame 120 can rotate through the hinge pin 130, allowing the other ends of the large arc-shaped frame 110 and the small arc-shaped frame 120 to open, facilitating the insertion of the utility pole 900 between the large arc-shaped frame 110 and the small arc-shaped frame 120.

[0049] Support plates 123 and 113 are provided with interconnected threaded locking holes. A locking threaded rod is provided at the front end of the hand-tightening handle 140 and is threadedly installed into the locking hole of support plate 123. Tightening the hand-tightening handle 140 rotates the locking threaded rod into the locking hole of support plate 113. This means that the large arc segment frame 110 and the small arc segment frame 120 are closed and locked at the other end via the hand-tightening handle 140, improving the overall stability of the device. Simultaneously, it provides support for the pole-mounting rotating mechanism 300, forming the rotational foundation for the pole-mounting rotating mechanism 300.

[0050] (2) Pole locking mechanism.

[0051] The pole clamping mechanism 200 includes a locking transmission assembly 210, a push plate fixing seat 220, a push plate connecting rod assembly 230, and a clamping block connecting rod assembly 240. The push plate connecting rod assembly 230 is mounted on the front end of the push plate fixing seat 220. Two clamping block connecting rod assemblies 240 are provided and respectively located on both sides in front of the push plate connecting rod assembly 230, and both are hinged to the push plate fixing seat 220. A push plate movement guide rail 114 is provided on the large arc segment frame 110. The push plate fixing seat 220 is mounted on the push plate movement guide rail 114 through a push plate movement slider 115 and is controlled to slide on the push plate movement guide rail 114 by the locking transmission assembly 210, thereby driving the push plate connecting rod assembly 230 and the two clamping block connecting rod assemblies 240 to synchronously clamp the utility pole 900 located inside the annular pole clamping mechanism 100. The specific structure is as follows:

[0052] At least two motion guide rails 114 are provided and are respectively installed on the lower end face of the upper arc-shaped mounting plate 111 and the center of the upper end face of the lower arc-shaped mounting plate 112. Push plate fixing seats 220 are all installed on all push plate motion guide rails 114 via push plate motion sliders 115 and can slide along the motion guide rails 114 towards the axis of the utility pole 900. For example... Figure 8 As shown, four motion guide rails 114 are provided in parallel with each other, two of which are installed on the lower end face of the upper arc-shaped mounting plate 111, and the other two are installed on the upper end face of the lower arc-shaped mounting plate 112.

[0053] The push plate linkage assembly 230 consists of a pole-mounted push plate 231, a push plate bracket 232, and a second connecting rod 233. The push plate bracket 232 has two parts, upper and lower, both mounted on the front side of the push plate fixing seat 220 via the second connecting rod 233. The pole-mounted push plate 231 is mounted on the front end face of the two push plate brackets 232, and its front end face is provided with an anti-slip plastic layer to increase the friction with the utility pole 900. At least two second connecting rods 233 are provided, and their front and rear ends are hinged to the rear end of the push plate bracket 232 and the push plate fixing seat 220, respectively. Figure 8 As shown, there are four connecting rods 233 in total, two of which are connected to the upper push plate bracket 232, and the other two are connected to the lower push plate bracket 232. The pole-mounting push plate 231, the connecting rods 233 at the upper and lower positions, and the push plate fixing seat 220 together form a parallelogram structure, ensuring that the pole-mounting push plate 231 is always parallel to the utility pole 900.

[0054] The clamping block and connecting rod assembly 240 consists of a clamping block 241, a swing rod 242, and a connecting rod 243. The swing rod 242 is parallel to the upper arc-shaped mounting plate 111 and the lower arc-shaped mounting plate 112 and is rotatably connected by a fixing pin 244. Specifically, the fixing pin 244 is inserted through the center of the swing rod 242 and can rotate freely. The upper and lower ends of the fixing pin 244 are fixed to the lower end face of the upper arc-shaped mounting plate 111 and the upper end face of the lower arc-shaped mounting plate 112, respectively. The clamping block 241 is hinged to the front end of the swing rod 242 by a hinge pin 247. The contact surface between the clamping block 241 and the utility pole 900 is also provided with an anti-slip plastic layer to increase the friction between the clamping block 241 and the utility pole 900. The rear end of connecting rod 243 is rotatably connected to push plate fixing seat 220 via hinge pin 245, and the front end of connecting rod 243 is rotatably connected to the rear end of swing rod 242 via hinge pin 246. During the back-and-forth movement of push plate fixing seat 220, it will pull swing rod 242 to rotate via connecting rod 243, thereby causing pole clamping block 241 to contact and clamp or release from the utility pole 900.

[0055] The locking transmission assembly 210 includes a transmission component mounting base 211, a first gear 212, a second gear 213, a transmission screw 214, and a transmission nut 215. The transmission component mounting base 211 is located on the rear side of the push plate fixing base 220 and is fixed between the lower end face of the upper arc-shaped mounting plate 111 and the upper end face of the lower arc-shaped mounting plate 112. A rod locking motor 216 is installed in the transmission component mounting base 211. The first gear 212 is mounted on the output shaft of the rod locking motor 216. The second gear 213 is mounted on the transmission component mounting base 211 through a bearing and meshes with the first gear 212. The rear end of the transmission screw 214 is fixedly connected to the central rotating shaft of the second gear 213. The transmission nut 215 is fixedly mounted on the push plate fixing base 220. The front end of the transmission screw 214 passes through the transmission nut 215, and the external thread of the front end of the transmission screw 214 is adapted to the internal thread of the inner wall of the transmission nut 215. The pole clamping motor 216 is a DC torque motor. By rotating the pole clamping motor 216 in both directions, the front end of the transmission screw 214 can be screwed in or out of the transmission nut 215, thereby pulling the push plate fixing seat 220 to slide on the motion guide rail 114. Ultimately, it controls the pole push plate 231 and the two pole clamping blocks 241 to make three-point synchronous contact with the outer wall of the utility pole 900 to clamp or release and move away synchronously.

[0056] The external thread of the transmission screw 214 and the internal thread of the transmission nut 215 achieve self-locking of the basic position through thread parameter design (including thread helix angle and equivalent friction angle), preventing the push plate fixing seat 220 from retracting after the clamping motor 216 stops rotating; at the same time, the transmission screw 214, as the "power transmission and force bearing component", provides the "initial clamping state" and "force transmission path" for the parallelogram structure of the clamping push plate 231, connecting rod 233 and push plate fixing seat 220, and finally works with the structural self-locking to achieve the overall anti-slip self-locking of the device, effectively preventing falls from height.

[0057] In the pole locking mechanism 200, the pole push plate 231, the connecting rod 233, and the push plate fixing seat 220 form a parallelogram structure. After clamping with the utility pole 900, it can form a fall prevention structure to prevent the free-standing insulated platform working on the pole from falling down along the utility pole 900, thus playing an anti-slip role. The specific principle is as follows:

[0058] 1. Installation and fit relationship of connecting rod 233 in parallelogram structure:

[0059] The parallelogram structure of the second link 233 consists of the following components: push plate fixing seat 220, pole push plate 231 (which is in direct contact with the utility pole 900), and four second links 233 (both ends are hinged to the push plate fixing seat 220 and the pole push plate 231 respectively via hinge pins).

[0060] The four connecting rods 233 are symmetrically distributed. After the push plate fixing seat 220 and the pole-holding push plate 231 are connected by the connecting rods 233, a parallelogram mechanism of "push plate fixing seat 220 - connecting rod 233 - pole-holding push plate 231" is formed, which ensures that the pole-holding push plate 231 always remains parallel to the push plate fixing seat 220 during the movement (that is, the pole-holding push plate 231 is always perpendicular to the axis of the utility pole 900, ensuring the fit when clamping).

[0061] When the transmission screw 214 drives the transmission nut 215 to move the push plate fixing seat 220 along the motion guide rail 114, the push plate fixing seat 220 pushes the pole-holding push plate 231 toward the utility pole 900 through the connecting rod 233, thus completing the clamping action.

[0062] 2. The principle behind the self-locking function:

[0063] The core of the self-locking function is "force feedback-based clamping enhancement," which essentially means that when the device has a downward tendency, the reaction force of the utility pole 900 on the pole-holding push plate 231 is transformed into "stronger clamping force" through the parallelogram structure, forming a closed loop of "downward tendency → increased clamping force → increased friction → preventing downward movement," specifically in three steps:

[0064] ① Initial clamping: The parallelogram structure ensures that the pole-holding push plate 231 is stably attached to the utility pole 900. The pole-holding locking motor 216 drives the transmission screw 214 to rotate through gear transmission. The transmission nut 215 drives the push plate fixing seat 220 to move along the guide rail towards the utility pole 900. The push plate fixing seat 220 pushes the pole-holding push plate 231 to move synchronously towards the utility pole 900 through four connecting rods 233. Due to the "parallel movement" characteristic of the parallelogram structure, the pole-holding push plate 231 always remains parallel to the surface of the utility pole 900 during the movement. Finally, the pole-holding push plate 231 (with a rubber layer on its surface) is tightly attached to the utility pole 900, completing the initial clamping. At this time, the static friction between the pole-holding push plate 231 and the utility pole 900 initially prevents the device from falling.

[0065] ② Triggering the downward trend: The pole 900 generates an "upward reaction force" on the pole-holding push plate 231. When the device has a downward trend along the pole 900 due to its own weight or external forces (such as the shift of the operator's center of gravity), the pole-holding push plate 231 will tend to slide downward relative to the pole 900. Since the pole-holding push plate 231 is in close contact with the pole 900, the pole 900 will generate an "upward reaction force that resists sliding" (the reaction force of friction, which is essentially the supporting force of the pole 900 on the pole-holding push plate 231) on the pole-holding push plate 231.

[0066] ③ Parallelogram structure transmits force: It is converted into "the additional clamping force of the push plate fixing seat 220 on the pole push plate 231". The upward reaction force of the utility pole 900 on the pole push plate 231 will be transmitted to the push plate fixing seat 220 through the four connecting rods 233.

[0067] As a force-bearing component, the second connecting rod 233 will convert the upward force on the pole push plate 231 into the "lateral pressure of the push plate fixing seat 220 on the pole push plate 231" (i.e., the clamping force perpendicular to the axis of the utility pole 900).

[0068] Due to the geometric characteristics of the parallelogram structure, this lateral pressure will cause the pole pusher plate 231 to be further squeezed against the utility pole 900, resulting in the rubber layer between the pole pusher plate 231 and the utility pole 900 being more tightly compacted, and the static friction force will increase significantly.

[0069] As the friction increases, the downward trend of the device is completely stopped. At the same time, the greater friction will further enhance the reaction force of the pole 900 on the pole push plate 231, forming a positive feedback of "clamping force - friction force", and finally achieving self-locking (the more obvious the downward trend, the stronger the clamping force and friction force, and the more reliable the self-locking effect).

[0070] (3) Pole rotation mechanism.

[0071] The pole-holding rotation mechanism 300 includes a C-shaped rotating frame, a front arc-shaped rotating frame 330, a jacking limit device 340, and a rotation transmission device 360. The C-shaped rotating frame is mounted on the upper surface of the annular pole-holding mechanism 100 via a sliding limit device 350 for annular sliding. The jacking limit device 340 and the rotation transmission device 360 ​​are respectively installed in the C-shaped rotating frame and the front arc-shaped rotating frame 330, and limit and clamp the utility pole 900. The C-shaped rotating frame and the front arc-shaped rotating frame 330 are controlled by the rotation transmission device 360 ​​to rotate 360° around the utility pole 900. The specific structure is as follows:

[0072] The C-type rotating frame consists of a rear arc-shaped rotating frame 310 and a square tube frame 320. Two square tube frames 320 are provided and fixedly connected to both sides of the rear arc-shaped rotating frame 310, meaning one end of each square tube frame 320 is fixed to one side of the rear arc-shaped rotating frame 310. The other end of one of the square tube frames 320 is rotatably connected to one end of the front arc-shaped rotating frame 330 via a pivot 380. The other end of the front arc-shaped rotating frame 330 is locked to the other end of the other square tube frame 320 via a quick-release pin 370.

[0073] The upper surfaces of the large arc-shaped frame 110 and the small arc-shaped frame 120 are respectively provided with a long arc-shaped slide rail 116 and a short arc-shaped slide rail 124, which are closed together to form a ring. Two sliding limit devices 350 are provided and installed on the lower surfaces of the two square tube frames 320 respectively. Each of them includes a linear guide rail 351, a roller slider 352, a slider mounting seat 353, and a V-groove roller 354. The linear guide rail 351 is installed on the lower surface of the square tube frame 320, the roller slider 352 slides under the linear guide rail 351, the slider mounting seat 353 is fixed on the lower surface of the roller slider 352, and the V-groove roller 354 is installed on the lower surface of the slider mounting seat 353. The V-groove on the V-groove roller 354 can engage with the long arc-shaped slide rail 116 and the short arc-shaped slide rail 124 and slide. A limit stop 117 is provided on the upper end face of the large arc segment frame 110, which serves to limit the sliding V-groove roller 354 or slider mounting seat 353.

[0074] The rear arc-shaped rotating frame 310 is composed of an upper arc-shaped fixed plate 311 and a lower arc-shaped fixed plate 312 that are parallel to each other, and the front arc-shaped rotating frame 330 is composed of an upper arc-shaped rotating plate 331 and a lower arc-shaped rotating plate 332 that are parallel to each other. The upper arc-shaped fixed plate 311 and the lower arc-shaped fixed plate 312, and the upper arc-shaped rotating plate 331 and the lower arc-shaped rotating plate 332 are fixedly supported by a number of support columns.

[0075] Both the lower end face of the upper arc-shaped fixing plate 311 and the upper end face of the lower arc-shaped fixing plate 312 are provided with jacking slide rails 313. The two jacking slide rails 313 are parallel to each other and arranged along the axial direction of the utility pole 900. The jacking limiting device 340 includes a wheel frame 341, a rubber wheel 342, a jacking nut 345, and a jacking screw 346. The jacking nut 345 is mounted on the two jacking slide rails 313 and slides through a nut seat 344. The wheel frame 341 is located inside the rear arc-shaped rotating frame 310, and a buffer spring 343 is provided between it and the nut seat 344. At least two rubber wheels 342 are provided and are all mounted on the wheel frame 341. One end of the jacking screw 346 is installed in the jacking nut 345, and the external thread at its end is adapted to the internal thread on the inner wall of the jacking nut 345. The other end of the lead screw 346 is fixed to the output shaft of the lead motor 347 installed inside the rear arc-shaped rotating frame 310.

[0076] At least two linear bearings 348 are installed inside the rear arc-shaped rotating frame 310. Each linear bearing 348 has a guide shaft 349 installed inside it. The guide shaft 349 is parallel to the lead screw 346 and its front end is fixed to the wheel frame 341. The linear bearings 348 and the guide shafts 349 can effectively prevent the wheel frame 341 from shifting during movement.

[0077] The rotary transmission device 360 ​​includes a pulley fixing plate 361, a first synchronous pulley 362, a second synchronous pulley 363, a synchronous belt 364, a pulley motion motor 365, and a second rubber wheel 366. The pulley fixing plate 361 is mounted on the upper end face of the upper arc-shaped rotating plate 331. Two second synchronous pulleys 363 are provided and are mounted on the upper end face of the pulley fixing plate 361 along with the first synchronous pulley 362 via bearings. The two second synchronous pulleys 363 and the first synchronous pulley 362 are located at the three endpoints of an isosceles triangle, respectively. The synchronous belt 364 is mounted on the two second synchronous pulleys 363 and the first synchronous pulley 362. The first synchronous pulley 362 is rotated by the pulley motion motor 365. Two second rubber wheels 366 are provided and are fixedly mounted on the rotating shafts of the two second synchronous pulleys 363, respectively.

[0078] In the sliding limit device 350, the V-groove roller 354 is one of the core components of the boom rotating mechanism 300. Its function revolves around "achieving stable rotation and adaptive coordination of the boom rotating part." Its core value lies in "connection + transmission + adaptation," ensuring a stable connection between the boom rotating mechanism 300 and the annular boom mechanism 100, while also guaranteeing 360° rotation through rolling characteristics. Simultaneously, the auxiliary device adapts to different boom diameters, making it a key component ensuring that the boom rotating mechanism 300 is "rotatable, rotates stably, and is widely adaptable." The specific structure and working principle are as follows:

[0079] 1. Guiding and Rolling: Enables the rotating part of the pole to rotate 360° in a circular motion.

[0080] The V-groove roller 354 acts as a "rolling connector," allowing the pole-holding rotating mechanism 300 to circulate 360° without dead angles along the long arc-shaped slide rail 116 and the short arc-shaped slide rail 124 (forming a ring as a whole). This ensures that the pole-holding rotating mechanism 300 can rotate freely around the utility pole 900, meeting the needs of "adjusting the working position around the pole" during operation (such as inspecting lines and fittings in different directions). At the same time, it avoids deviation and jamming during rotation, ensuring the stability of the rotation direction.

[0081] 2. Support and load-bearing: Stably support the weight of the rotating part of the pole.

[0082] The V-groove roller 354 is mounted on the lower end face of the slider mounting base 353, directly bearing the overall weight of the pole-holding rotation mechanism 300. Through the rolling contact between the roller and the annular guide rail, the weight of the pole-holding rotation mechanism 300 is transferred to the annular pole-holding mechanism 100, preventing the pole-holding rotation mechanism 300 from sagging or shifting due to its own weight, and providing a stable bearing foundation for subsequent pole rotation and pole clamping.

[0083] 3. Assisted adaptive centering: Enables adaptive clamping for different rod diameters.

[0084] During the "adaptive clamping" process of the pole-holding rotating mechanism 300, the V-groove roller 354, through linkage with the linear guide rail 351 and the roller slider 352, assists in adapting to different pole diameters: when the jacking motor 347 rotates and the wheel frame 341 moves to clamp the utility pole 900, the "slider mounting seat 353 adjusts its position adaptively with clamping"—at this time, the slider mounting seat 353 will drive the lower V-groove roller 354 to slide along the "linear guide rail 351". Through the position adjustment of the V-groove roller 354, the overall structure of the pole-holding rotating mechanism 300 is indirectly assisted in "aligning the center of the utility pole 900", ultimately achieving "adaptive clamping for different pole diameters" (adapting to utility poles of different diameters), avoiding the offset or unstable clamping of the pole-holding rotating mechanism 300 due to differences in pole diameter.

[0085] In the pole-holding rotating mechanism 300, firstly, the jacking motor 347 in the jacking limiting device 340 is activated, driving the extension and retraction of the wheel frame 341. This causes multiple rubber wheels 342 to contact and press against the outer wall of the utility pole 900, ultimately achieving synchronous clamping between the multiple rubber wheels 342 and the multiple rubber wheels 366 and the outer wall of the utility pole 900. Then, the pulley drive motor 365 controls the rotation, driving the multiple rubber wheels 366 to rotate synchronously. Utilizing the frictional contact between the rubber wheels 366 and the outer wall of the utility pole 900, the entire pole-holding rotating mechanism 300 rotates 360° around the utility pole 900. Therefore, the worker's standing and operating platform, which is fixedly installed with the pole-holding rotating mechanism 300, also rotates 360°, thereby expanding the worker's operating space and improving work efficiency.

[0086] (4) The lifting mechanism 400 includes a connecting bracket 410, a lifting connecting rod 420, and an insulating platform assembly 430. The connecting bracket 410 is fixedly installed on the rotating frame of the pole rotating mechanism 300. The insulating platform assembly 430 is located on the outside of the utility pole 900, and the two ends of the lifting connecting rod 420 are respectively hinged to the connecting bracket 410 and the insulating platform assembly 430. A tape reel lifting device 440 is provided on the connecting bracket 410 to control the rotation of the lifting connecting rod 420 and the lifting of the insulating platform assembly 430. The specific structure is as follows:

[0087] The connecting bracket 410 includes square tube one 411, square tube two 413, and square tube three 414. Two square tubes one 411 are vertically arranged and parallel to each other, and each of them has a hanging plate 412 at its top. The hanging plate 412 has bracket mounting holes 415. The two hanging plates 412 are fixed to the two square tube frames 320 respectively by bolts through the bracket mounting holes 415. Square tube two 413 is horizontally fixed at the rear end of the two hanging plates 412 or on the outer side of the top of the two square tubes one 411. Square tube three 414 is horizontally fixed on the inner side of the bottom end of the two square tubes one 411.

[0088] A rolling support device 450 is provided on the square tube 3 414. The rolling support device 450 includes a roller support 451, an adjusting screw 452, an adjusting nut 453, an adjusting handle 454, rubber rollers 455, a bushing 456, and a limiting guide shaft 457. The adjusting nut 453 is installed in the nut hole of the square tube 3 414. The adjusting screw 452 passes through the adjusting nut 453, and the external thread on the adjusting screw 452 is adapted to the internal thread on the inner wall of the adjusting nut 453. The roller support 451 is fixed to the front end of the adjusting screw 452. Two rubber rollers 455 are provided and installed in the roller support 451. The rubber rollers 455 can rotate along the outer wall of the utility pole 900. The adjusting handle 454 is installed at the rear end of the adjusting screw 452. Bushing 456 has two bushings symmetrically installed in the bushing holes of square tubes 414 on both sides of adjusting nut 453. Two limiting guide shafts 457 are correspondingly installed inside bushing 456, with their front ends fixed to roller supports 451. By rotating the adjusting screw 452 in the rolling support device 450, the two square tubes 411 can be adjusted to maintain a vertical state, thereby keeping the insulating platform assembly 430 in a horizontal and stable state, improving the operator's comfort and safety. Simultaneously, during the rotation of the pole rotating mechanism 300 and the lifting mechanism 400, the rubber rollers 455 in the rolling support device 450 maintain rolling contact with the outer wall of the utility pole 900, providing support for the insulating platform assembly 430. This ensures the stability of the insulating platform assembly 430 while reducing friction with the outer wall of the utility pole 900, making the rotation of the insulating platform assembly 430 smoother.

[0089] The insulating platform assembly 430 includes an insulating platform 431, with a square bracket 432 mounted at its front end. Four parallel and symmetrical lifting rods 420 are provided, each with its rear end hinged to the square bracket 432. The front ends of two of the lifting rods 420 are hinged to different heights on one of the square tubes 411, and the front ends of the other two lifting rods 420 are hinged to different heights on the other square tube 411. Therefore, the two lifting rods 420, together with the connecting bracket 410 and the insulating platform assembly 430, form a parallelogram structure. With two parallelogram structures in total, when the insulating platform assembly 430 is raised and lowered under the control of the conveyor belt lifting device 440, the two parallelogram structures can always keep the insulating platform assembly 430 in a horizontal and stable state, improving the operator's comfort and safety.

[0090] At least one of the four lifting links 420 is provided with a link positioning hole 421. A locking plate 433 is provided on the square bracket 432 where the link 420 connects to the square bracket 432. The locking plate 433 is provided with several adjusting positioning holes 434. The link positioning hole 421 and the adjusting positioning hole 434 can be locked together by a pin. After the insulating platform assembly 430 is adjusted to a predetermined height, the locking of the lifting link 420 and the locking plate 433 restricts its further ascent or descent, ensuring the stability of the insulating platform assembly 430 and improving the safety of the workers.

[0091] The tape lifting device 440 includes a tape motor base 441, a first helical gear 442, a second helical gear 443, a tape reel 444, a conveyor belt 445, an absolute encoder 447, and a brake motor 4421. The tape motor base 441 is mounted on a square tube 413, and the brake motor 4421 is mounted on the tape motor base 441. The first helical gear 442 and the second helical gear 443 mesh and are both mounted inside the tape motor base 441, with the first helical gear 442 connected to the output shaft of the brake motor 4421. The second helical gear 443 and the tape reel 444 are connected in series via the central shaft of the tape reel. The absolute encoder 447 is mounted on the outer end face of the tape reel 444 or on one end of the central shaft of the tape reel. One end of the conveyor belt 445 is fixed to the central shaft of the tape reel between the second helical gear 443 and the tape reel 444. A pulley mounting seat 449 is provided on the square bracket 432, and a pulley 4491 is installed on the pulley mounting seat 449. A fixed shaft 448 is installed inside the belt winding motor seat 441. The other end of the hoisting belt 445 passes around the pulley 4491 and is fixed on the fixed shaft 448.

[0092] The rotation of the brake motor 4421 drives the winding reel 444 to rotate via helical gear 1 442 and helical gear 2 443, thereby tightening the hoisting belt 445. At this time, under the action of the parallelogram mechanism of the lifting linkage 420, the insulating platform assembly 430 moves parallel to the hanging plate 412. Then, the pin is inserted into the linkage positioning hole 421 and the adjustment positioning hole 434 at the appropriate position to achieve the locking effect. At the same time, the absolute encoder 447 will also rotate and record the number of revolutions. The two extreme positions of tightening and loosening of the hoisting belt 445 can be controlled by the absolute encoder 447. Then, the position of the adjusting rubber roller 3 455 can be adjusted manually by the handle 454.

[0093] A guide wheel bracket 4461 is hinged inside the tape reel motor base 441. A guide wheel 446 is mounted at the front end of the guide wheel bracket 4461. The guide wheel 446 is pressed onto the lifting belt 445 by its own weight and the weight of the guide wheel bracket 4461 or the preload at the hinge of the guide wheel bracket 4461. The guide wheel bracket 4461 and the guide wheel 446 have a "directional adaptive adjustment" function: by dynamically matching the changes in the diameter of the central shaft of the tape reel (including the wound lifting belt 445), maintaining an appropriate clamping force, and limiting the deviation of the lifting belt 445 from its trajectory, a stable transmission state of "no slack, no wear, no deviation, and uniform winding" is ultimately achieved for the lifting belt 445. This provides key support for the smooth and precise lifting of the insulated platform assembly 430. The specific logic is as follows:

[0094] 1. Dynamically maintain "moderate tension" to avoid the hoisting belt being too loose or too tight.

[0095] The movement of the guide roller bracket 4461 is essentially "making directional angle fine adjustments around the circumference of the central axis of the tape reel". One end of it uses the tape motor base 441 (or a nearby fixed component) as a fulcrum, while the other end adaptively adjusts as the guide roller 446 conforms to the surface of the central axis of the tape reel.

[0096] When the diameter of the central shaft of the reel increases (when the hoisting belt 445 is wound): the hoisting belt 445 will exert an outward "pushing force" on the guide wheel 446, and the guide wheel bracket 4461 will "swing outward" accordingly, taking the guide wheel 446 away from the central shaft of the reel at the same time. This avoids excessive pressure on the hoisting belt 445 by the guide wheel 446, which could lead to wear. At the same time, it keeps the guide wheel 446 in contact with the hoisting belt 445, preventing the hoisting belt 445 from loosening due to insufficient pressure.

[0097] When the diameter of the central shaft of the reel decreases (when the hoisting belt 445 is released): the self-clamping force of the guide wheel 446 will drive the guide wheel bracket 4461 to "swing inward", bringing the guide wheel 446 closer to the central shaft of the reel in sync, filling the gap after the diameter decreases, preventing the hoisting belt 445 from wrinkling or slipping due to loss of clamping force, and ensuring that the hoisting belt 445 is always in a taut state.

[0098] This "dynamic pressure adjustment" design ensures that the hoisting belt 445 remains neither too loose nor too tight throughout the entire transmission process, which is the foundation for stable transmission.

[0099] 2. Move along the circumferential trajectory of the central axis of the reel to prevent the hoisting belt from deviating or derailing at 445 degrees.

[0100] The movement trajectory of the guide wheel bracket 4461 strictly matches the circular contour of the central axis of the reel: when the guide wheel bracket 4461 moves, it always centers on the central axis of the reel, causing the guide wheel 446 to "oscillate slightly" along the outer circumference of the central axis of the reel, without deviating from the effective range of the central axis of the reel. This directional movement allows the guide wheel 446 to continuously "limit" the lifting belt 445, preventing the lifting belt 445 from "deviating" due to lateral force during winding / unwinding, or even "derailing" from the central axis of the reel, ensuring that the lifting belt 445 is always stably wound along the circumferential trajectory of the central axis of the reel, and ensuring that the transmission path does not deviate.

[0101] 3. It helps ensure the uniformity of winding and improves transmission accuracy.

[0102] If the guide wheel bracket 4461 is fixed, the hoisting belt 445 will be wound unevenly (e.g., some areas are too thick and some areas are too thin), which will cause the number of rotations of the reel 444 to be mismatched with the actual length of the hoisting belt 445, resulting in counting error of the absolute encoder 447, and thus affecting the positional accuracy of the lifting of the insulating platform assembly 430.

[0103] The guide wheel bracket 4461 ensures that the hoisting belt 445 is wound evenly (with consistent pressure and no wrinkles) through its movement, so that the belt reel 444 corresponds to a fixed length of hoisting belt for each revolution, ensuring that the absolute encoder 447 counts accurately, and indirectly ensuring the "stable length accuracy" of the hoisting belt 445 transmission, avoiding deviation in the lifting position of the insulating platform assembly 430 due to transmission errors.

[0104] In the lifting mechanism 400, the hanging plate 412 is fixed to the two square tube frames 320 of the rotating frame through the bracket mounting holes 415. Under the action of gravity, the insulating platform assembly 430 falls, causing the hoisting belt 445 to tighten. Then, the remote-controlled brake motor 4421 rotates, and the hoisting belt 445 is wound onto the central shaft of the reel 444. This allows for horizontal adjustment of the height and distance of the insulating platform. The brake motor 4421 has a power-off self-locking function, which can lock the platform at any position. During operation, the brake motor 4421 and the absolute encoder 447 monitor and adjust the operating status in real time. The absolute encoder 447 has a power-off memory function, which limits the upward and downward limits of the insulating platform assembly 430. After the insulating platform assembly 430 reaches the appropriate position, the pin is inserted into the connecting rod positioning hole 421 and the adjustment positioning hole 434 to achieve a double protection function. Then, by rotating the adjusting handle 454, the distance of the rubber roller 455 can be adjusted to achieve fine adjustment of the insulation platform assembly 430, that is, fine adjustment of the tilt angle of the insulation platform assembly 430 so that the insulation platform assembly 430 is in a horizontal state, at which point the operator can enter the platform to work.

[0105] In the lifting mechanism 400, the rotation of the lifting link 420 is controlled by the belt lifting device 440, thereby driving the lifting of the insulating platform assembly 430, thus achieving precise adjustment of the lifting height. It can cover different working points at different heights of the utility pole 900, eliminating the need for frequent movement of equipment and greatly improving work efficiency. Moreover, it can achieve large displacement lifting in small spaces, making it suitable for narrow working environments.

[0106] The present invention discloses a free-stopping insulated platform for pole operation, which has a compact structure and can achieve anti-slip adaptive gripping with the utility pole at 90°, 360° rotation and precise height adjustment. It is easy to install and use, simple to operate, has a wide working range, high work efficiency, better anti-slip performance, higher stability, effectively reduces the risk of falling from height, and is safe and reliable.

[0107] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A pole-mounted, freely parking, insulated platform, characterized in that, It includes a ring-shaped pole holding mechanism (100), a pole holding locking mechanism (200), a pole holding rotating mechanism (300), and a lifting mechanism (400). The pole clamping mechanism (200) includes a locking transmission assembly (210), a push plate fixing seat (220), a push plate connecting rod assembly (230), and a clamping block connecting rod assembly (240). The push plate connecting rod assembly (230) is installed at the front end of the push plate fixing seat (220). There are two clamping block connecting rod assemblies (240) respectively located on the front sides of the push plate connecting rod assembly (230) and both are hinged to the push plate fixing seat (220). The push plate fixing seat (220) is controlled by the locking transmission assembly (210) to slide in the annular pole clamping mechanism (100) and drive the push plate connecting rod assembly (230) and the two clamping block connecting rod assemblies (240) to synchronously clamp the utility pole (900) located inside the annular pole clamping mechanism (100). The pole-holding rotation mechanism (300) includes a rotating frame, a jacking limit device (340), and a rotation transmission device (360). The rotating frame is mounted on an annular guide rail on the upper surface of a pole-holding locking platform fixed on the outer wall of the utility pole (900) via a sliding limit device (350). The jacking limit device (340) and the rotation transmission device (360) are respectively installed in the rotating frame and limit and clamp the utility pole (900). The rotating frame is controlled to rotate around the utility pole (900) via the rotation transmission device (360). The lifting mechanism (400) includes a connecting bracket (410), a lifting link (420), and an insulating platform assembly (430). The connecting bracket (410) is fixedly installed on the rotating frame. The insulating platform assembly (430) is located on the outside of the utility pole (900), and the two ends of the lifting link (420) are respectively hinged to the connecting bracket (410) and the insulating platform assembly (430). The connecting bracket (410) is provided with a tape lifting device (440) to control the rotation of the lifting link (420) and the lifting of the insulating platform assembly (430).

2. The pole-mounted free-stopping insulated platform according to claim 1, characterized in that, The ring-shaped support mechanism (100) is composed of a large arc segment frame (110) and a small arc segment frame (120). One end of the large arc segment frame (110) is hinged to one end of the small arc segment frame (120) through a hinge pin (130), and the other end of the large arc segment frame (110) is closed and locked to the other end of the small arc segment frame (120) through a hand-tightening handle (140). The other ends of the large arc segment frame (110) and the small arc segment frame (120) are provided with threaded locking holes that are interconnected. The front end of the hand-tightening handle (140) is provided with a locking thread rod, which is installed through the threaded locking hole at the other end of the large arc segment frame (110) by threaded engagement. The rotation of the hand-tightening handle (140) can drive the front end of the locking thread rod to be screwed into the threaded locking hole at the other end of the small arc segment frame (120).

3. The pole-mounted free-stopping insulated platform according to claim 2, characterized in that, The large arc segment frame (110) is provided with a push plate motion guide rail (114), and the push plate fixing seat (220) is installed on the push plate motion guide rail (114) by the push plate motion slider (115) and controlled to slide on the push plate motion guide rail (114) by the locking transmission assembly (210); The locking transmission assembly (210) includes a transmission component mounting base (211), gear one (212), gear two (213), a transmission screw (214), and a transmission nut (215). The transmission component mounting base (211) is located on the rear side of the push plate fixing base (220) and fixed in the large arc segment frame (110). A rod locking motor (216) is installed in the transmission component mounting base (211). Gear one (212) is installed on the output shaft of the rod locking motor (216). Gear 2 (213) is mounted on transmission component mounting base (211) via bearing and meshes with gear 1 (212). The rear end of the transmission screw (214) is fixedly connected to the central rotating shaft of gear 2 (213). The transmission nut (215) is fixedly mounted on push plate mounting base (220). The front end of the transmission screw (214) passes through the transmission nut (215), and the external thread at the front end of the transmission screw (214) is compatible with the internal thread on the inner wall of the transmission nut (215). The push plate linkage assembly (230) consists of a rod push plate (231), a push plate bracket (232), and a second link (233). The push plate bracket (232) has two parts, one above the other, both of which are mounted on the front side of the push plate fixing seat (220) via the second link (233). The rod push plate (231) is mounted on the front end face of the two push plate brackets (232). There are at least two second links (233) connected to the push plate bracket (232), and the front and rear ends of the second link (233) are respectively hinged to the rear end of the push plate bracket (232) and the push plate fixing seat (220). The clamping block and connecting rod assembly (240) consists of a clamping block (241), a swing rod (242), and a connecting rod (243). The swing rod (242) is installed in the large arc frame (110) and is rotatably connected by a fixing pin (244). The clamping block (241) is hinged to the front end of the swing rod (242) by a hinge pin (247). The rear end of the connecting rod (243) is rotatably connected to the push plate fixing seat (220) by a hinge pin (245). The front end of the connecting rod (243) and the rear end of the swing rod (242) are rotatably connected by a hinge pin (246).

4. The boom-rotating lifting platform device according to claim 1, characterized in that, The rotating frame includes a C-shaped rotating frame and a front arc-shaped rotating frame (330). The C-shaped rotating frame and the front arc-shaped rotating frame (330) are rotatably connected at one end by a rotating shaft (380), and the other end is locked by a quick-release pin (370). The C-shaped rotating frame consists of a rear arc-shaped rotating frame (310) and a square tube frame (320). Two square tube frames (320) are provided and fixedly connected to both sides of the rear arc-shaped rotating frame (310). Two sliding limit devices (350) are provided and installed on the lower end faces of the two square tube frames (320). Each device includes a linear guide rail (351), a roller slider (352), a slider mounting base (353), and a V-groove roller (354). The linear guide rail (351) is installed on the lower end face of the square tube frame (320), the roller slider (352) is installed on the linear guide rail (351) and slides, the slider mounting seat (353) is fixed on the lower end face of the roller slider (352), the V-groove roller (354) is installed on the lower end face of the slider mounting seat (353), and the V-groove on the V-groove roller (354) can engage with the annular guide rail on the upper end face of the clamping platform and slide.

5. The boom-rotating lifting platform device according to claim 4, characterized in that, The rear arc-shaped rotating frame (310) is composed of an upper arc-shaped fixed plate (311) and a lower arc-shaped fixed plate (312) that are parallel to each other. The front arc-shaped rotating frame (330) is composed of an upper arc-shaped rotating plate (331) and a lower arc-shaped rotating plate (332) that are parallel to each other. Several support columns are used to connect the upper arc-shaped fixed plate (311) and the lower arc-shaped fixed plate (312), and between the upper arc-shaped rotating plate (331) and the lower arc-shaped rotating plate (332). For fixed support; the lower end face of the upper arc-shaped fixing plate (311) and the upper end face of the lower arc-shaped fixing plate (312) are both provided with jacking slide rails (313), the two jacking slide rails (313) are parallel to each other and are arranged along the axial direction of the utility pole (900); the jacking limiting device (340) includes a wheel frame (341), a rubber wheel (342), a jacking nut (345) and a jacking screw (346), the jacking nut (345) is connected to the nut seat (3 44) The wheel frame (341) is installed on two jacking slide rails (313) and slides on them. The wheel frame (341) is located inside the rear arc-shaped rotating frame (310) and a buffer spring (343) is provided between it and the nut seat (344). At least two rubber wheels (342) are provided and are all installed on the wheel frame (341). One end of the jacking screw (346) is installed in the jacking nut (345), and the external thread provided at its end is connected to the inner wall of the jacking nut (345). The internal threads are matched; the other end of the push screw (346) is fixed on the output shaft of the push motor (347) installed in the rear arc-shaped rotating frame (310); at least two linear bearings (348) are installed in the rear arc-shaped rotating frame (310), and each linear bearing (348) is equipped with a guide shaft (349). The guide shaft (349) is parallel to the push screw (346) and its front end is fixed on the wheel frame (341).

6. The boom-rotating lifting platform device according to claim 5, characterized in that, The rotary transmission device (360) includes a pulley fixing plate (361), a first synchronous pulley (362), a second synchronous pulley (363), a synchronous belt (364), a pulley motion motor (365), and a second rubber wheel (366). The pulley fixing plate (361) is installed on the upper end face of the upper arc-shaped rotating plate (331). There are two second synchronous pulleys (363), which are installed on the upper end face of the pulley fixing plate (361) along with the first synchronous pulley (362) through bearings. The two second synchronous pulleys (363) and the first synchronous pulley (362) are located at the three endpoints of an isosceles triangle, respectively. The synchronous belt (364) is installed on the two second synchronous pulleys (363) and the first synchronous pulley (362). The first synchronous pulley (362) is rotated by the pulley motion motor (365). There are two second rubber wheels (366), which are fixedly installed on the rotation shafts of the two second synchronous pulleys (363).

7. The boom-rotating lifting platform device according to claim 4, characterized in that, The connecting bracket (410) includes square tube one (411), square tube two (413) and square tube three (414). There are two square tubes one (411) arranged vertically and parallel to each other. Each of them has a hanging plate (412) at its top. The hanging plate (412) has a bracket mounting hole (415). The two hanging plates (412) are fixed to the two square tube frames (320) respectively by bolts in the bracket mounting holes (415). The square tube two (413) is horizontally fixed at the rear end of the two hanging plates (412) or the outer side of the top of the two square tubes one (411). The square tube three (414) is horizontally fixed at the inner side of the bottom end of the two square tubes one (411).

8. The boom-rotating lifting platform device according to claim 7, characterized in that, A rolling support device (450) is provided on the square tube three (414). The rolling support device (450) includes a roller support (451), an adjusting screw (452), an adjusting nut (453), an adjusting handle (454), a rubber roller three (455), a bushing (456), and a limiting guide shaft (457). The adjusting nut (453) is installed in the nut hole of the square tube three (414). The adjusting screw (452) is inserted through the adjusting nut (453), and the external thread on the adjusting screw (452) is adapted to the internal thread on the inner wall of the adjusting nut (453). The seat (451) is fixed to the front end of the adjusting screw (452). Two rubber rollers (455) are provided and installed in the roller support (451). The rubber rollers (455) can rotate along the outer wall of the utility pole (900). The adjusting handle (454) is installed at the rear end of the adjusting screw (452). Two bushings (456) are provided and symmetrically installed in the bushing holes of the square tubes (414) on both sides of the adjusting nut (453). Two limiting guide shafts (457) are provided and correspondingly installed in the bushings (456), and their front ends are fixed on the roller support (451).

9. A boom-rotating lifting platform device according to claim 7, characterized in that, The insulating platform assembly (430) includes an insulating platform (431), and a square bracket (432) is installed at the front end of the insulating platform (431). The lifting rods (420) are provided with four parallel and symmetrical rods, the rear ends of which are all hinged to the square bracket (432). The front ends of two of the lifting rods (420) are hinged to different heights on one of the square tubes (411), and the front ends of the other two lifting rods (420) are hinged to different heights on another square tube (411). At least one of the four lifting rods (420) is provided with a rod positioning hole (421), and a locking plate (433) is provided on the square bracket (432) at the connection between the lifting rod and the square bracket (432). The locking plate (433) is provided with several adjustment positioning holes (434), and the rod positioning hole (421) and the adjustment positioning hole (434) can be locked and fixed by a pin.

10. A boom-rotating lifting platform device according to claim 9, characterized in that, The tape lifting device (440) includes a tape motor mount (441), a first helical gear (442), a second helical gear (443), a tape reel (444), a hoisting belt (445), an absolute encoder (447), and a brake motor (4421). The tape motor mount (441) is mounted on a square tube (413), and the brake motor (4421) is mounted on the tape motor mount (441). The first helical gear (442) and the second helical gear (443) mesh and are both mounted inside the tape motor mount (441), and the first helical gear (442) is connected to the output shaft of the brake motor (4421). The second helical gear (443) and the tape reel (444) are connected in series through the central shaft of the tape reel. The absolute encoder (447) is mounted on the outer end face of the tape reel (444) or mounted on... One end of the central shaft of the reel is fixed to the central shaft of the reel between the helical gear two (443) and the reel (444); a pulley mounting seat (449) is provided on the square bracket (432), a pulley (4491) is installed on the pulley mounting seat (449), a fixed shaft (448) is installed in the reel motor seat (441), and the other end of the lifting belt (445) is fixed on the fixed shaft (448) after passing around the pulley (4491); a guide wheel bracket (4461) is hinged in the reel motor seat (441), a guide wheel (446) is installed at the front end of the guide wheel bracket (4461), and the guide wheel (446) is pressed onto the lifting belt (445) by its own weight and the weight of the guide wheel bracket (4461) or the preload at the hinge of the guide wheel bracket (4461).

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