A wrap-around torque self-adapting insulating live cleaning roller brush
Patent Information
- Application Number
- CN202611003880.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-07-07
- Publication Date
- 2026-10-09
AI Technical Summary
[0002]在电力系统输变电线路及变电设备中,绝缘子作为核心绝缘元件,其表面易因长期暴露在户外环境中,积累灰尘、油污、盐雾、积碳等污秽物,若不及时清洁,会导致绝缘子绝缘性能下降,极易引发闪络、漏电甚至短路故障,严重威胁电力系统的安全稳定运行,因此绝缘子的定期清洗维护是电力运维的关键环节
[0019]1、本发明中,通过离心力与液压联动的预紧力自适应调整机构,实现刷板清洁扭矩的实时动态调控,能根据绝缘子表面脏污程度自动增减清洗预紧力,既保证干净度又避免摩擦力过大刮伤、损坏绝缘子绝缘层,有效保护绝缘子本体结构。
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Figure CN122873784A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of insulator cleaning technology, specifically a circumferential torque self-adaptive insulating energized cleaning roller brush. Background Technology
[0002] In power system transmission and transformation lines and equipment, insulators are core insulating components. Their surfaces are prone to accumulating dirt such as dust, oil, salt spray, and carbon deposits due to long-term exposure to the outdoor environment. If they are not cleaned in time, the insulation performance of the insulators will decline, which can easily lead to flashover, leakage, or even short circuit faults, seriously threatening the safe and stable operation of the power system. Therefore, regular cleaning and maintenance of insulators is a key part of power operation and maintenance.
[0003] Currently, insulator cleaning mainly employs methods such as manual power-off wiping, ordinary mechanical cleaning, or high-pressure water rinsing. Among these, manual power-off wiping is extremely inefficient, and power outages can cause power outages, resulting in significant economic losses to production and daily life. Furthermore, when the insulator surface is heavily soiled, the friction between the brush plate and the insulator increases sharply, easily causing scratches and damage to the insulator's glaze and silicone rubber sheath, thus compromising the insulator's insulation structure. On the other hand, when the soiling is only slightly soiled, insufficient pre-tightening force can lead to incomplete cleaning and poor cleaning results. Summary of the Invention
[0004] The purpose of this invention is to provide a circumferential torque self-adaptive insulated energized cleaning roller brush to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a surround-type torque-adaptive insulated live cleaning roller brush, comprising:
[0006] The placement rod includes a main arc-shaped plate fixedly arranged at the upper end of the placement rod;
[0007] The preload adaptive adjustment mechanism includes a control plate arranged above the main arc plate for controlling the cleaning force on the insulator; the preload adaptive adjustment mechanism also includes a friction force control component, including a counterweight ball arranged above the control plate for controlling the preload of the control plate; and also includes a drive component.
[0008] The limiting structure includes rollers arranged on one side of the main arc plate for abutting against the outer surface of the insulator.
[0009] As a further preferred embodiment of this technical solution, the preload adaptive adjustment mechanism further includes: a brush plate, which is bolted to one side of the control plate and used to brush the surface of the insulator; a brush roller, which is rotatably connected through the main arc plate and used to accommodate the control plate, and the control plate is slidably connected through the receiving groove opened in the brush roller; a piston rod, which is fixedly arranged on the other side of the control plate and is connected to the piston of the through hole opened in the middle of the brush roller; and a main oil chamber, which is opened and arranged inside the brush roller and communicates with the through hole in the middle of the brush roller.
[0010] As a further preferred embodiment of this technical solution: multiple sets of brush plates are provided, corresponding to the control plate, and arranged around the outer periphery of the brush roller.
[0011] As a further preferred embodiment of this technical solution, the friction control component further includes: a secondary oil chamber, which is located at the upper end of the brush roller and is connected to the main oil chamber via a pipe; a slide rod, one end of which is slidably connected to the secondary oil chamber by a piston, and the other end of which is slidably connected to the upper end of the brush roller, with a counterweight ball fixedly arranged on the slide rod; and a return spring, one end of which is fixedly arranged on the slide rod and the other end of which is fixedly arranged on the brush roller.
[0012] As a further preferred embodiment of this technical solution, the limiting structure further includes: a secondary arc-shaped plate, rotatably connected to the main arc-shaped plate for driving the roller to move, and the roller being rotatably connected to one side of the secondary arc-shaped plate; a torsion spring, sleeved on a rotating shaft at one end of the secondary arc-shaped plate, with its upper end fixedly arranged on the main arc-shaped plate and its lower end fixedly arranged on the secondary arc-shaped plate; and a steel wire rope, with one end fixedly arranged on the inner side of the secondary arc-shaped plate and passing through the hollow cavity of the placement rod.
[0013] As a further preferred embodiment of this technical solution: the rollers are provided in three sets, with two sets located inside the two sets of secondary arc plates and the other set located inside the main arc plate.
[0014] As a further preferred embodiment of this technical solution: two sets of wire ropes are provided, and they are respectively connected to the inner side of the two sets of sub-arc plates.
[0015] As a further preferred embodiment of this technical solution, the limiting structure further includes: a control handle, which is slidably connected to the lower end of the placement rod for pulling the wire rope, and the other end of the wire rope is fixedly arranged at the upper end of the control handle; a limiting groove, which is formed at the lower end of the placement rod, and the limiting blocks on both sides of the control handle are slidably connected to the limiting groove.
[0016] As a further preferred embodiment of this technical solution: a rubber insulating layer is provided on the control handle, and an anti-slip rubber ball is provided at the lower end of the control handle.
[0017] As a further preferred embodiment of this technical solution: the driving component includes: a driven bevel gear, fixedly arranged at the lower end of the brush roller; a driving bevel gear, meshing with the driven bevel gear; and a driving source, mounted on the main arc plate, used to drive the driving bevel gear to rotate, with the driving bevel gear fixedly arranged at the output end of the driving source.
[0018] Compared with the prior art, the beneficial effects of the present invention are:
[0019] 1. In this invention, the pre-tightening force adaptive adjustment mechanism of centrifugal force and hydraulic linkage realizes real-time dynamic control of the brush plate cleaning torque. It can automatically increase or decrease the cleaning pre-tightening force according to the degree of dirt on the insulator surface, which can ensure cleanliness and avoid excessive friction to scratch or damage the insulation layer of the insulator, effectively protecting the insulator body structure.
[0020] 2. In this invention, the limiting structure composed of the main and auxiliary arc plates, rollers, wire ropes and control handles can quickly achieve the centering and fitting of the roller brush and the insulator. Combined with the multiple sets of brush plates arranged in a ring, the cleaning efficiency is greatly improved. After cleaning, the brush can be quickly reset and detached from the insulator by the torsion spring, making the operation convenient.
[0021] 3. Among them, the operating parts such as the placement rod and control handle are all equipped with rubber insulation layer, and the drive parts are equipped with protective shell, which meets the safety requirements of live cleaning of power system insulators. The cleaning operation can be completed without power outage, effectively avoiding power supply loss to production and life caused by power outage. At the same time, the brush plate is connected to the control plate by bolts, which can be flexibly disassembled and replaced. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of a surround-type torque-adaptive insulated live cleaning roller brush according to the present invention. Figure 1 ;
[0023] Figure 2 This is a partial cross-sectional view of a circumferential torque self-adaptive insulated energized cleaning roller brush according to the present invention.
[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0025] Figure 4 for Figure 2 Enlarged view at point B in the middle;
[0026] Figure 5 This is a cross-sectional view of the structure of a surround torque self-adaptive insulated energized cleaning roller brush according to the present invention.
[0027] Figure 6 This is an exploded view of the structure of a surround torque self-adaptive insulated energized cleaning roller brush according to the present invention.
[0028] Figure 7This is a schematic diagram of the structure of a surround-type torque-adaptive insulated live cleaning roller brush according to the present invention. Figure 2 ;
[0029] Figure 8 for Figure 1 Enlarged view of point C in the middle.
[0030] Legend: 1. Placement rod; 2. Main arc-shaped plate;
[0031] Preload adaptive adjustment mechanism: 301, control plate; 302, brush plate; 303, brush roller; 304, piston rod; 305, main oil chamber;
[0032] Friction force adjustment components: 306, auxiliary oil chamber; 307, slide rod; 308, counterweight ball; 309, return spring;
[0033] Driven components: 401, driven bevel gear; 402, driving bevel gear; 403, drive source;
[0034] Limiting structure: 501, roller; 502, secondary arc plate; 503, wire rope; 504, control handle; 505, limiting groove; 506, torsion spring. Detailed Implementation
[0035] 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.
[0036] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0037] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0038] like Figures 1 to 8 The insulating live cleaning roller brush provided in this application is illustrated in some embodiments.
[0039] In some embodiments, the insulated live-line cleaning roller brush can be applied to cleaning operations of various insulators in power systems, including porcelain insulators, silicone rubber composite insulators, and glass insulators. Among them, porcelain insulators can be, but are not limited to, disc-type suspension porcelain insulators, rod-type porcelain insulators, and pin-type porcelain insulators; silicone rubber composite insulators can be, but are not limited to, suspension composite insulators, crossarm composite insulators, and post composite insulators. Figure 1 In this embodiment, the cleaning of disc-type suspension porcelain insulators is described as an example using a ring-type insulated live cleaning roller brush. Of course, other types of insulator cleaning operations can also adopt a similar structure, which will not be described in detail below.
[0040] Understandable, Figure 1 The diagram only schematically illustrates some of the components of the insulated live cleaning roller brush; the actual shape, size, location, and construction of these components are not subject to change. Figure 1 Due to limitations, insulated live cleaning roller brushes can also include those that are more... Figure 1 More or fewer parts.
[0041] In some embodiments, the insulated live cleaning roller brush may include a placement rod 1 and a main arc plate 2, the main arc plate 2 being fixedly mounted on the top of the placement rod 1 to provide support, and the placement rod 1 being hollow.
[0042] Among them, the main arc plate 2 is arc-shaped.
[0043] The outer surface of the placement rod 1 is provided with an insulating rubber layer, and a limit plate is provided at the end of the placement rod 1 away from the main arc plate 2. The insulating rubber layer on the surface of the placement rod 1 protruding from the lower end of the limit plate is provided with an anti-slip texture.
[0044] In some embodiments, the placement rod 1 further includes: a preload adaptive adjustment mechanism, including a control plate 301 arranged above the main arc plate 2 for controlling the cleaning force on the insulator; the preload adaptive adjustment mechanism is also provided with a friction force control component, including a counterweight ball 308 arranged above the control plate 301 for controlling the preload of the control plate 301; and also includes a drive component;
[0045] The limiting structure includes a roller 501 arranged on one side of the main arc plate 2 for abutting against the outer surface of the insulator.
[0046] When the main arc plate 2 and roller 501 are brought into contact with the surface of the insulator by the placement rod 1, the control plate 301 is rotated by activating the drive component. The counterweight ball 308 is thrown out by centrifugal force by the drive component. When the control plate 301 cleans the dirtier insulator and generates a large friction force, the friction force slows down the rotation speed of the drive component, thereby reducing the centrifugal force of the counterweight ball 308. When the control plate 301 cleans the less dirty insulator and generates a small friction force, the drive component rotates faster, increasing the centrifugal force of the counterweight ball 308.
[0047] In this embodiment, the centrifugal force of the counterweight ball 308 is controlled according to the frictional force generated by the dirtiness of the outer surface of the insulator. Thus, the pre-tightening force of the control plate 301 during the cleaning of the insulator is adaptively controlled by the counterweight ball 308. When the insulator is dirty, the cleaning force is reduced to prevent damage to the outer surface of the insulator due to the large frictional force. When the dirtiness is small, the pre-tightening force is increased to improve the cleaning quality. Then, the user can perform circumferential cleaning around the insulator by using the abutment control rod 1 of the roller 501.
[0048] It should be noted that the control panel 301 has several sets and is configured in a T-shape.
[0049] In some embodiments, the limiting structure further includes: a secondary arc plate 502, rotatably connected to the main arc plate 2, used to drive the roller 501 to move, and the roller 501 is rotatably connected to one side of the secondary arc plate 502; a torsion spring 506, sleeved on a rotating shaft at one end of the secondary arc plate 502, with its upper end fixedly arranged on the main arc plate 2 and its lower end fixedly arranged on the secondary arc plate 502; a steel wire rope 503, with one end fixedly arranged on the inner side of the secondary arc plate 502 and passing through the hollow cavity of the placement rod 1; a control handle 504, slidably connected to the lower end of the placement rod 1, used to pull the steel wire rope 503, and the other end of the steel wire rope 503 is fixedly arranged on the upper end of the control handle 504; and a limiting groove 505, formed at the lower end of the placement rod 1, with limiting blocks on both sides of the control handle 504 slidably connected to the limiting groove 505.
[0050] When placing the two sets of auxiliary arc plates 502 and the main arc plate 2 on the outside of the insulator to be cleaned, hold the lower end of the placement rod 1 and pull the control handle 504 to one side to slide it on the placement rod 1. At the same time, the limiting blocks on both sides of the control handle 504 slide on the limiting groove 505. The control handle 504 pulls the wire rope 503, which drives the two sets of auxiliary arc plates 502 to rotate inward on the main arc plate 2 and twist the torsion spring 506. The cleaning is complete when the roller 501 abuts against the surface of the insulator. After the cleaning is completed, release the control handle 504. The torsion spring 506 twists in the opposite direction to allow the two sets of auxiliary arc plates 502 to unfold and reset.
[0051] In this embodiment, by placing the roller 501 against the surface of the insulator during cleaning, the insulator can be kept in the center position between the secondary arc plate 502 and the main arc plate 2 when the surface of the insulator is cleaned around, so that the preload of the roller 501 can better fit the surface of the insulator.
[0052] It should be noted that there are three sets of rollers 501, with two sets located inside the two sets of auxiliary arc plates 502 and the other set located inside the main arc plate 2.
[0053] The wire rope 503 is provided in two sets and is respectively connected to the inner side of the two sets of auxiliary arc plates 502. A roller is provided at the junction of the wire rope 503 and the main arc plate 2 to reduce the friction between the wire rope 503 and the main arc plate 2 when the wire rope 503 is pulled, thereby improving the service life of the wire rope 503.
[0054] It should also be understood that the control handle 504 is provided with a rubber insulating layer, and the lower end of the control handle 504 is provided with an anti-slip rubber ball.
[0055] In some embodiments, the preload adaptive adjustment mechanism further includes: a brush plate 302, bolted to one side of the control plate 301, for brushing the surface of the insulator; a brush roller 303, rotatably connected to the main arc plate 2, for accommodating the control plate 301, and the control plate 301 is slidably connected to the receiving groove of the brush roller 303; a piston rod 304, fixedly arranged on the other side of the control plate 301, and connected to the piston of the through hole in the middle of the brush roller 303; and a main oil chamber 305, arranged inside the brush roller 303, and communicating with the through hole in the middle of the brush roller 303.
[0056] The movement of piston rod 304 causes control plate 301 to slide within the receiving cavity of brush roller 303, and control plate 301 causes brush plate 302 to move.
[0057] In this embodiment, by moving the control plate 301, the friction force of the brush plate 302 during the cleaning of the insulator is dynamically adjusted synchronously to prevent damage to the surface of the insulator caused by the cleaning force.
[0058] It should be noted that multiple sets of brush plates 302 are provided, corresponding to the control plate 301, and are arranged around the outer periphery of the brush roller 303. The brush plates 302 are connected to the control plate 301 by bolts, which facilitates subsequent disassembly and replacement.
[0059] In some embodiments, the friction control assembly further includes: a secondary oil chamber 306, which is disposed at the upper end of the brush roller 303 and is connected to the main oil chamber 305 through a pipe; a slide rod 307, one end of which is slidably connected to the secondary oil chamber 306 and the other end is slidably connected to the upper end of the brush roller 303, and a counterweight ball 308 is fixedly disposed on the slide rod 307; and a return spring 309, one end of which is fixedly disposed on the slide rod 307 and the other end of which is fixedly disposed on the brush roller 303.
[0060] When the brush roller 303 rotates, it drives the counterweight ball 308 to rotate. When the brush plate 302 contacts the surface of a dirtier insulator, the friction reduces the rotation of the brush roller 303, thus shortening the distance the counterweight ball 308 is thrown. The return spring 309 pulls the slide rod 307 inward. The slide rod 307 causes the hydraulic oil in the main oil chamber 305 to retreat into the auxiliary oil chamber 306 through the pipe, thus causing the piston rod 304 to move inward, reducing the force of the brush plate 302 on the insulator. When cleaning insulators with less dirt, the friction is less, causing the brush roller 303 to rotate faster, thus lengthening the distance the counterweight ball 308 is thrown. This causes the slide rod 307 to pull the return spring 309, and at the same time, pushes the hydraulic oil in the auxiliary oil chamber 306 into the main oil chamber 305, causing the piston rod 304 to drive the brush plate 302 to extend, increasing the friction with the insulator.
[0061] In this embodiment, the friction force during insulator cleaning is fed back to the counterweight ball 308, thereby dynamically controlling the cleaning force of the brush plate 302, so that the brush plate 302 is always kept within a suitable cleaning force range according to the dirtiness of the insulator.
[0062] It should be noted that the counterweight ball 308 is set in three sets.
[0063] In some embodiments, the driving component includes: a driven bevel gear 401, fixedly disposed at the lower end of the brush roller 303; a driving bevel gear 402, meshing with the driven bevel gear 401; and a driving source 403, mounted on the main arc plate 2, for driving the driving bevel gear 402 to rotate, and the driving bevel gear 402 is fixedly disposed at the output end of the driving source 403.
[0064] When the brush plate 302 is attached to the surface of the insulator, the drive source 403 is turned on. The drive source 403 drives the active bevel gear 402 to rotate, the active bevel gear 402 drives the driven bevel gear 401 to rotate, and the driven bevel gear 401 drives the brush roller 303 to rotate.
[0065] It should be noted that the drive component is provided with a protective shell to protect the drive components, and the shell is provided with a maintenance cover connected by bolts, and the maintenance cover on the side of the drive source 403 is provided with heat dissipation holes.
[0066] Working principle or structural principle: Before operation, place the main arc plate 2 and two sets of auxiliary arc plates 502 on the outside of the insulator to be cleaned. Pull the control handle 504 at the lower end of the placement rod 1. The auxiliary arc plates 502 are rotated inward through the wire rope 503 and the torsion spring 506 is twisted, so that the three sets of rollers 501 are tightly against the outer surface of the insulator to complete the centering and positioning, providing stable support for the surrounding cleaning.
[0067] After the limit is completed, the drive source 403 is turned on. The drive source 403 drives the active bevel gear 402 to rotate. Through the meshing transmission with the driven bevel gear 401, the brush roller 303 is driven to rotate, which in turn drives the multiple sets of brush plates 302 arranged around the outer periphery of the brush roller 303 to rotate, and contact the surface of the insulator to form a circumferential brushing to physically remove dirt.
[0068] During the cleaning process, the torque self-adaptation is achieved through the hydraulically controlled pre-tightening force adaptive mechanism. When the insulator is relatively clean and the cleaning resistance is small, the friction between the brush plate 302 and the insulator is small, and the brush roller 303 has no speed decay. The upper counterweight ball 308 generates a large centrifugal force as it rotates at high speed, which pushes the slide rod 307 to slide outward and stretches the return spring 309, which presses the hydraulic oil in the auxiliary oil chamber 306 into the main oil chamber 305. The pressure in the main oil chamber 305 increases, pushing the piston rod 304 and the control plate 301 to extend, which drives the brush plate 302 to stick to the insulator, increasing the pre-tightening force and cleaning torque, and improving the cleaning efficiency.
[0069] When the insulator is dirty and the cleaning resistance is high, the friction between the brush plate 302 and the insulator increases sharply, causing the speed of the brush roller 303 to decrease. The centrifugal force of the counterweight ball 308 decreases, and the return spring 309 pulls the slide rod 307 to slide inward. The hydraulic oil in the main oil chamber 305 flows back to the auxiliary oil chamber 306. The pressure in the main oil chamber 305 decreases, causing the piston rod 304, the control plate 301 and the brush plate 302 to retract, reducing the preload and cleaning torque of the brush plate 302 on the insulator, avoiding damage to the insulation layer of the insulator. Through real-time dynamic feedback, the cleaning torque is always controlled within a reasonable range.
[0070] After cleaning, release the control handle 504. The torsion spring 506 reverses the torque and drives the auxiliary arc plate 502 to rotate outward and reset, which can quickly detach from the insulator. At the same time, the device's placement rod 1, control handle 504 and other operating parts are all equipped with insulating rubber layers, which can meet the safety requirements of live cleaning. The brush plate 302 can also be disassembled and replaced by bolts to adapt to the cleaning operation of different types of insulators.
[0071] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0072] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
[0073] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.
Claims
1. A surround-type torque-adaptive insulated live cleaning roller brush, characterized in that: include: The placement rod (1) includes a main arc plate (2) fixedly arranged at the upper end of the placement rod (1); The preload adaptive adjustment mechanism includes a control plate (301) arranged above the main arc plate (2) for controlling the cleaning force on the insulator; the preload adaptive adjustment mechanism is also provided with a friction force control component, including a counterweight ball (308) arranged above the control plate (301) for controlling the preload of the control plate (301); it also includes a drive component; The limiting structure includes a roller (501) arranged on one side of the main arc plate (2) for abutting against the outer surface of the insulator.
2. The circumferential torque self-adaptive insulated live cleaning roller brush according to claim 1, characterized in that: The preload adaptive adjustment mechanism also includes: a brush plate (302), which is bolted to one side of the control plate (301) and used to brush the surface of the insulator; a brush roller (303), which is rotatably connected to the main arc plate (2) and used to accommodate the control plate (301), and the control plate (301) is slidably connected to the receiving groove opened in the brush roller (303); a piston rod (304), which is fixedly arranged on the other side of the control plate (301) and connected to the piston of the through hole opened in the middle of the brush roller (303); and a main oil chamber (305), which is opened and arranged inside the brush roller (303) and communicates with the through hole in the middle of the brush roller (303).
3. The circumferential torque self-adaptive insulated live cleaning roller brush according to claim 2, characterized in that: Multiple sets of brush plates (302) are provided, corresponding to the control plate (301), and are arranged around the outer periphery of the brush roller (303).
4. The circumferential torque self-adaptive insulated live cleaning roller brush according to claim 3, characterized in that: The friction control assembly also includes: a secondary oil chamber (306), which is located at the upper end of the brush roller (303) and connected to the main oil chamber (305) through a pipe; a slide rod (307), one end of which is slidably connected to the secondary oil chamber (306) and the other end is slidably connected to the upper end of the brush roller (303), and a counterweight ball (308) is fixedly arranged on the slide rod (307); and a return spring (309), one end of which is fixedly arranged on the slide rod (307) and the other end of which is fixedly arranged on the brush roller (303).
5. A surround-type torque-adaptive insulated live cleaning roller brush according to claim 4, characterized in that: The limiting structure also includes: a secondary arc plate (502), which is rotatably connected to the main arc plate (2) and is used to drive the roller (501) to move, and the roller (501) is rotatably connected to one side of the secondary arc plate (502); a torsion spring (506), which is sleeved on the rotating shaft at one end of the secondary arc plate (502), and the upper end is fixedly arranged on the main arc plate (2), and the lower end is fixedly arranged on the secondary arc plate (502); and a steel wire rope (503), one end of which is fixedly arranged on the inner side of the secondary arc plate (502) and passes through the hollow cavity of the placement rod (1).
6. A surround-type torque-adaptive insulated live cleaning roller brush according to claim 5, characterized in that: The rollers (501) are provided in three sets, with two sets located inside the two sets of secondary arc plates (502) and the other set located inside the main arc plate (2).
7. A surround-type torque-adaptive insulated live cleaning roller brush according to claim 6, characterized in that: Two sets of wire ropes (503) are provided and are respectively connected to the inner side of the two sets of sub-arc plates (502).
8. A surround-type torque-adaptive insulated live cleaning roller brush according to claim 7, characterized in that: The limiting structure also includes: a control handle (504), which is slidably connected to the lower end of the placement rod (1) for pulling the wire rope (503), and the other end of the wire rope (503) is fixedly arranged on the upper end of the control handle (504); a limiting groove (505), which is opened and arranged on the lower end of the placement rod (1), and the limiting blocks on both sides of the control handle (504) are slidably connected to the limiting groove (505).
9. A surround-type torque-adaptive insulated live cleaning roller brush according to claim 8, characterized in that: The control handle (504) is provided with a rubber insulating layer, and the lower end of the control handle (504) is provided with an anti-slip rubber ball.
10. A circumferential torque self-adaptive insulated live cleaning roller brush according to claim 9, characterized in that: The driving components include: a driven bevel gear (401) fixedly disposed at the lower end of the brush roller (303); a driving bevel gear (402) meshing with the driven bevel gear (401); and a driving source (403) mounted on the main arc plate (2) for driving the driving bevel gear (402) to rotate, and the driving bevel gear (402) fixedly disposed at the output end of the driving source (403).