65results about How to "No need to change location" patented technology

The invention provides a coupling convenient to disassemble and a disassembling method, and relates to a coupling and a disassembling method. A plurality of notches are formed in the circumference ofa central positioning plate. Annular clamping grooves are concavely formed in the middle portions of the side walls of positioning cylinders and inserted into the corresponding notches. A plurality offirst arc-shaped clamping grooves are formed in the circumference of each shaft sleeve positioning plate. Shaft sleeve cylinders are coaxially and fixedly connected with the shaft sleeve positioningplates. The two shaft sleeve positioning plates coaxially abut against the two sides of the central positioning plate separately and are clamped between one corresponding ends of the side walls of themultiple positioning cylinders through the multiple first arc-shaped clamping grooves. A positioning clamp is arranged on the circumference of the central positioning plate in a clamping and sleevingmode and provided with a plurality of second arc-shaped clamping grooves. Each second arc-shaped clamping groove is in butt joint with the corresponding first arc-shaped clamping groove to form a positioning round hole matched with the end of the side wall of the corresponding positioning cylinder. Two limiting rods are fixed to each of the two sides of the positioning clamp, so that the shaft sleeve positioning plates are limited in the positioning clamp. The coupling is convenient and fast to disassemble, and the positions of shaft levers do not need to be changed.

The invention discloses a high-altitude-construction power line inspection and maintenance assistor. The high-altitude-construction power line inspection and maintenance assistor comprises a cleaning head driven by a power unit through a driving flexible pipe, the cleaning head comprises a rotating brush which is vertically arranged, one side of the rotating brush is covered by a protective cover the cross section of which is C-shaped, a handle is fixedly arranged on the outside of the protective cover, the upper end of the inner side of the protective cover is fixedly provided with an upper rod which extends transversely, the end portion of the upper rod cooperates with the upper end of the rotating brush through an upper connecting device in a rotary manner, the lower end of the inner side of the protective cover is hinged to a lower rod which can swing up and down through a horizontal shaft, and the lower rod cooperates with the lower end of the rotating brush through a lower connecting device in a rotary manner. The high-altitude-construction power line inspection and maintenance assistor is advantaged in that the assistor is reasonable in structure, and can complete a scrubbing task quickly in dependence on the shape of a device to be scrubbed, and can switch between two modes of close distance scrubbing and long distance scrubbing quickly and freely with no need of changing the position of the operator, the scrubbing angle can be adjusted at random, stubborn stains can be cleaned out, no dead corners exist in the scrubbing process, the assistor is labour-saving and time-saving, and can protect scrubbing personnel well, the scrubbing personnel do not inhale dust and are not tainted with dust, the problem that dirt enters eyes is avoided, wiped-down dust and dirt do not fall off on a lower device, the assistor is not limited by the scrubbing height, one person can complete the scrubbing task independently, and the scrubbing effect is high.

The invention discloses an electric power system insulation protection assist device for a single person. The electric power system insulation protection assist device comprises a sweeping head driven by a power device through a transmission hose. The sweeping head comprises a rotating brush which is vertically arranged. One side of the rotating brush is covered with a protection cover with a C-shaped cross section. A handle is fixedly arranged on the outer side of the protection cover. An upper rod extending transversely is fixedly arranged at the upper end of the inner side of the protection cover. The end portion of the upper rod is rotationally matched with the upper end of the rotating brush through an upper connecting device. A lower rod capable of swinging vertically is hinged to the lower end of the inner side of the protection cover through a horizontal shaft. The lower rod is rotationally matched with the lower end of the rotating brush through a lower connecting device. The electric power system insulation protection assist device has the beneficial effects that the structure is reasonable, the scrubbing task can be rapidly completed according to the shape of a scrubbed device, the near-distance scrubbing mode and the far-distance scrubbing mode can be freely and rapidly switched without changing the position of an operator, the scrubbing angle can be adjusted at will, stubborn dirt can be scrubbed away, no dead corner exists during scrubbing, time and labor are saved, the scrubbing person can be well protected and cannot suck in or be stained with dust, and moreover the problem that dirt enters the eyes cannot exist; and dust dirt scrubbed away cannot fall on lower equipment, the operation is not limited by the scrubbing height, one person can complete the scrubbing task independently, and the scrubbing effect is good.

The invention discloses a semi-automatic insulated maintenance device for electric power lines. The semi-automatic insulated maintenance device for the electric power lines comprises a cleaning head which is driven by a power device through a transmission hose. The cleaning head comprises a vertically arranged rotary brush. A protective cover covers one side of the rotary brush, wherein the cross section of the protective cover is in a C shape. A handle is fixedly arranged on the outer side of the protective cover. An upper rod transversely extending is fixedly arranged at the upper end of the inner side of the protective cover. The end of the upper rod is in rotary fit with the upper end of the rotary brush through an upper connecting device. A lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft. The lower rod is in rotary fit with the lower end of the rotary brush through a lower connecting device. The semi-automatic insulated maintenance device for the electric power lines has the advantages that the structure is reasonable, the scrubbing task can be rapidly completed according to the shape of scrubbed equipment, a short distance scrubbing mode and a long distance scrubbing mode can be rapidly switched at will, so that the position of an operator does not need to be changed, the scrubbing angle can be adjusted at will, stubborn stains can be scrubbed off, no scrubbing dead corner exists, time and effort are saved, the protective performance for the scrubbing operator is good, the scrubbing operator cannot breath in dust or be stained with dust, the problem that dirt enters the eye is avoided certainly, the scrubbed-off dust and dirt cannot fall to the equipment on the lower side, the semi-automatic insulated maintenance device for the electric power lines is free of the scrubbing height limitation, one person can independently complete the scrubbing task, and the scrubbing efficiency is high.

The invention relates to a sewing machine (100) for making seams on fabrics (11, 12, 13, 14) in a programmed, measured and controlled way; the sewing machine (100) of the invention provides for easilyand accurately sewing fabrics (11, 12, 13, 14) with edges with a different radius of curvature, making very accurate seams, wherein the stitch pitch coincides with a preset pitch; the sewing machine(100) comprises: a needle (A), a claw, a blocking unit (4, 41) that firmly blocks the fabrics (11, 12, 13, 14) in the vicinity of the place where the needle (A) makes the seam, a dragging assembly (2)suitable for dragging the fabrics (11, 12, 13, 14) along a work surface (PL), a clamp (3) that is integral with the dragging assembly (2), and a detector (R) to detect the length between two adjacentstitches, in such a way to measure and check the accuracy of the seam made by the needle (A).

The invention discloses an integrated anti-flashover auxiliary device for an electric power circuit. The device comprises a sweeping head which is driven by a power device via a transmission hose, wherein the sweeping head comprises a vertically disposed rotation brush; one side of the rotation brush is covered by a protective cover with a C-shaped cross section; a handle is firmly disposed on the outer side of the protective cover; a horizontally extending upper rod is firmly disposed on the upper end of the inner side of the protective cover; then upper rod end part is in rotary fitting with the upper end of the rotation brush by an upper connecting device; the lower end of the inner side of the protective cover is in hinged connection with a lower rod which can be swayed up and down by a horizontal shaft; and the lower rod is in rotary fitting with the lower end of the rotation brush by a lower connecting device. The device has the advantages that the structure is rational; scrubbing tasks can be completed rapidly according to shapes of scrubbed equipment; two modes including near-distance scrubbing and far-distance scrubbing can be switched freely and rapidly, and the location of an operator does not need to be changed; a scrubbing angle can be adjusted at will; stubborn blots can be scrubbed; scrubbing without any dead corner can be achieved; consumption of time and effort can be reduced; the scrubbing operator can be protected, and will not inhale and get contaminated by dust; the problem that pollutants enter eyes can be avoided; scrubbed dust pollutants will not fall onto equipment under the device; limit of the scrubbing height can be avoided; scrubbing tasks can be completed by only one person; and scrubbing effects are good.

The invention discloses a field electric power line inspection maintenance assistor. The field electric power line inspection maintenance assistor includes a cleaning head which is driven by a power device through a transmission flexible pipe; the cleaning head includes a rotation brush which is vertically arranged; a protective cover having a C-shaped cross section covers one side of the rotation brush; a handle is fixedly arranged outside the protective cover; an upper rod horizontally extending is fixedly arranged on the internal upper end of the protective cover; ends of the upper rod and the upper end of the rotation brush form a rotation fit through an upper connection device; the internal lower end of the protective cover is hinged to a lower rod capable of vertically swinging through a horizontal shaft; and the lower rod and the lower end of the rotation brush form a rotation fit through a lower connection device. The advantages of the invention are that the field electric power line inspection maintenance assistor is reasonable in structure, can rapidly complete a scrubbing task according to the shape of a device to be scrubbed, can freely and rapidly switch a near distance scrubbing mode and a far distance scrubbing mode without changing a position of an operator, can freely adjust the scrubbing angle, can scrub away stubborn stains, has no scrubbing dead angles, can save time and effort, can protect a scrubbing worker well, will not absorb and contact dust, can protect eyes from dirt, can prevent scrubbed dust and dirt from falling on lower devices, is not limited by the scrubbing height, can complete the scrubbing task by one person, and is high in scrubbing efficiency.

The invention discloses an overhead working electrical equipment dust cleaner. The overhead working electrical equipment dust cleaner comprises a cleaning head driven by a power device through a transmission hose, the cleaning head comprises a vertically-arranged rotation brush, one side of the rotation brush is covered with a protection cover with a C-shaped cross section, and a handle is fixedly arranged on the outer side of the protection cover; and a transversely-extending upper rod is fixedly arranged at the upper end of the inner side of the protection cover, the end of the upper rod is in rotation fit with the upper end of the rotation brush through an upper connecting device, a lower rod capable of swing vertically is hinged to the lower end of the inner side of the protection cover through a horizontal shaft, and the lower rod is in rotation fit with the lower end of the rotation brush through a lower connecting device. The overhead working electrical equipment dust cleaner is reasonable in structure; scrubbing tasks can be completed rapidly according to the scrubbed equipment shape, two modes including close-distance scrubbing and far-distance scrubbing can be freely switched without changing the positions of operators, the scrubbing angle can be adjusted at will, stubborn blots can be removed, scrubbing dead corners are avoided, time and labor are saved, protection on scrubbing persons is good, dust inhalation and contamination can be avoided, the problem that dirt enters the eyes is solved, the scrubbed dirty cannot fall to equipment below, scrubbing height limitation is avoided, the scrubbing task can be independently completed by one person, and the scrubbing effect is high.

The invention discloses an electric power maintenance assist tool for a single person. The electric power maintenance assist tool comprises a sweeping head driven by a power device through a transmission hose. The sweeping head comprises a rotating brush which is vertically arranged. One side of the rotating brush is covered with a protection cover with a C-shaped cross section. A handle is fixedly arranged on the outer side of the protection cover. An upper rod extending transversely is fixedly arranged at the upper end of the inner side of the protection cover. The end portion of the upper rod is rotationally matched with the upper end of the rotating brush through an upper connecting device. A lower rod capable of swinging vertically is hinged to the lower end of the inner side of the protection cover through a horizontal shaft. The lower rod is rotationally matched with the lower end of the rotating brush through a lower connecting device. The electric power maintenance assist tool has the beneficial effects that the structure is reasonable, the scrubbing task can be rapidly completed according to the shape of a scrubbed device, the near-distance scrubbing mode and the far-distance scrubbing mode can be freely and rapidly switched without changing the position of an operator, the scrubbing angle can be adjusted at will, stubborn dirt can be scrubbed away, no dead corner exists during scrubbing, time and labor are saved, the scrubbing person can be well protected and cannot suck in or be stained with dust, and moreover the problem that dirt enters the eyes cannot exist; and dust dirt scrubbed away cannot fall on lower equipment, the operation is not limited by the scrubbing height, one person can complete the scrubbing task independently, and the scrubbing effect is good.

The invention discloses a semi-automatic decontamination cleaning device for a power device. The semi-automatic decontamination cleaning device comprises a cleaning head driven by the power device through a transmission hose, wherein the cleaning head comprises a rotary brush which is vertically arranged; a protective cover with a C-shaped cross section covers one side of the rotary brush; a handle is fixedly arranged at the outer side of the protective cover; an upper rod which extends transversely is fixedly arranged at the upper end inside the protective cover; the end part of the upper rod is in running fit to the upper end of the rotary brush through an upper connecting device; the lower end inside the protective cover is hinged with a lower rod which can swing up and down through a horizontal shaft; and the lower rod is in running fit to the lower end of the rotary brush through a lower connecting device. The semi-automatic decontamination cleaning device has the advantages that: the structure is reasonable, a scrubbing task can be quickly completed according to the shape of scrubbed equipment, a short-distance scrubbing mode and a long-distance scrubbing mode can be freely and quickly switched without changing location of an operator, a scrubbing angle is arbitrarily adjustable, stubborn stains can be scrubbed without a scrubbing dead angle, time and labor are saved, protection on scrubbing staff is good due to the fact that the scrubbing staff does not suck and is not infected with dust, the problem that dirt enters eyes of the scrubbing staff is further avoided, dust dirt obtained by scrubbing does not drop to equipment below, limitation of scrubbing height is avoided, one people can independently complete the scrubbing task, and the scrubbing effect is good.

Disclosed is an aloft working electrical equipment dust cleaning device. The aloft working electrical equipment dust cleaning device comprises a cleaning head, wherein the cleaning head is driven by a power device through a transmission hose. The cleaning head comprises a rotating brush, wherein the rotating brush is vertically arranged. A protective cover covers one side of the rotating brush, wherein the cross section of the protective cover is in a C shape. A handle is fixedly arranged on the outer side of the protective cover. An upper rod which transversely extends is fixedly arranged at the upper end of the inner side of the protective cover, and the end of the upper rod and the upper end of the rotating brush are in running fit through an upper connecting device. A lower rod which can swing up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft, and the lower rod and the lower end of the rotating brush are in running fit through a lower connecting device. The aloft working electrical equipment dust cleaning device has the advantages that the structure is reasonable, the scrubbing task can be rapidly accomplished according to the shape of a scrubbed facility, and the short-distance scrubbing mode and the long-distance scrubbing mode can be freely and rapidly switched on the premise that the position of an operator does not need to be changed; the scrubbing angle can be adjusted randomly, stubborn stains can be scrubbed away, no dead angles of scrubbing exist, and both time and labor are saved; scrubbing workers are well protected, and cannot inhale dust or be contaminated by dust, the phenomenon that dirt enters the eyes cannot happen, and the scrubbed dust dirt cannot drop to the device at the lower position; and the dust cleaning device is not limited by the scrubbing height, one worker can independently accomplish the scrubbing task, and the scrubbing efficiency is high.

The invention discloses an insulating protection assistor for a high-altitude operation power system, and the assistor comprises a cleaning head which is driven by a power unit to operate through a transmission flexible tube. The cleaning head comprises a vertical rotating brush, and one side of the rotating brush is covered by a protection cover, wherein the cross section of the protection cover is shaped like C. The outer side of the protection cover is fixedly provided with a handle, and the upper end of the inner side of the protection cover is fixedly provided with an upper rod which laterally extends. An end part of the upper rod is in rotating fit with the upper end of the rotating brush through an upper connection device, and the lower end of the inner side of the protection cover is provided with a lower rod in a hinged manner through a horizontal shaft, wherein the lower rod can swing up and down. The lower rod is in rotating fit with the lower end of the rotating brush through a lower connection device. The assistor is advantageous in that the tool is reasonable in structure, can quickly complete a wiping and cleaning task according to the shape of cleaned equipment, can carry out the free and quick switching between a mode of short-distance wiping and cleaning and a mode of long-distance wiping and cleaning without changing the position of an operator, can randomly adjust the wiping and cleaning angle, can clean stubborn dirt, has no wiping and cleaning dead angle, saves time and labor, achieves good protection for a wiping and cleaning person, enables the wiping and cleaning person not to inhale and contact with dust, prevents dirt from entering eyes, enables the cleaned dust not to fall to equipment below, and is not limited by the wiping and cleaning height; one person can complete the wiping and cleaning task; and the wiping and cleaning effect is good.

The invention provides a double-electrolytic-cell device for micro-area electrochemical test and a using method thereof. The device comprises a hydrogen charging mechanism, a micro-area electrochemical testing mechanism and a gas collecting mechanism, and the hydrogen charging mechanism comprises a hydrogen charging cell, an observation mirror, a liquid inlet, a top plate, a hydrogen charging hole, an auxiliary electrode, a reference electrode, a lower sealing ring and an upper sealing ring; a sample is arranged between the lower sealing ring and the upper sealing ring, a hydrogen filling solution is loaded in the hydrogen charging cell, and the hydrogen filling solution is in contact with the lower surface of the sample; the micro-area electrochemical testing mechanism comprises an electrochemical workstation, a detection pool, a detection hole, a micro reference electrode and a platinum electrode probe; the detection pool is fixed on the top plate, and a hydrogen charging hole of thedetection pool is opposite to a detection hole of the detection pool; and when the sample is filled with hydrogen, the gas collecting mechanism discharges bubbles on the lower surface of the sample.According to the invention, a double-electrolytic-cell structure is adopted, preparation and installation processes of an experimental sample are simplified, hydrogen charging and in-situ micro-area electrochemical testing of the sample are realized, and application of the scanning electrochemical microscope in the field of hydrogen permeation research is expanded.

The invention discloses an electrical equipment flashover resistant cleaning device for field working. The electrical equipment flashover resistant cleaning device for field working comprises a cleaning head which is driven by a power device through a transmission hosepipe; and the cleaning head comprises a rotary brush which is vertically installed, one side of the rotary brush is covered with a protective cover with the cross section being a C shape, a handle is fixedly installed on the outer side of the protective cover, an upper rod extending horizontally is fixedly installed at the upper end of the inner side of the protective cover, the end of the upper rod is rotatably matched with the upper end of the rotary brush through an upper connection device, a lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft, and the lower rod is rotatably matched with the lower end of the rotary brush through a lower connection device. The electrical equipment flashover resistant cleaning device for field working has the advantages that the structure is reasonable, the cleaning task can be quickly completed according to the shape of to-be-cleaned equipment, two modes of close distance cleaning and long distance cleaning can be switched over freely and quickly without changing the position where an operator is located, the cleaning angle can be adjusted freely, stubborn stain can be cleaned, no dead corner exists in cleaning, time and labor are saved, protectiveness on a cleaning staff is good, the cleaning staff do not breath dust and is not contaminated by dust, and the problem that dirt enters eyes does not exist; and the cleaned dust and dirt do not fall down to the lower equipment, the electrical equipment flashover resistant cleaning device is not limited by the cleaning height, one person can complete the cleaning task independently, and the cleaning effect is good.

The invention discloses a portable electric power maintenance cleaning assist tool. The portable electric power maintenance cleaning assist tool comprises a sweeping head which is driven by a power device via a transmission hose. The sweeping head comprises a vertically-arranged rotating brush. One side of the rotating brush is covered with a protective cover with the C-shaped cross section. A handle is fixedly arranged on the outer side of the protective cover. An upper rod extending in the transverse direction is fixedly arranged at the upper end of the inner side of the protective cover. The end of the upper rod is in rotating fit with the upper end of the rotating brush through an upper connecting device. A lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft. The lower rod is in rotating fit with the lower end of the rotating brush through a lower connecting device. The portable electric power maintenance cleaning assist tool has the advantages that the structure is reasonable, scrubbing tasks can be completed quickly according to the shape of scrubbed equipment, a close-distance scrubbing mode and a long-distance scrubbing mode can be switched freely and quickly, and there is no need to change the position of an operator; the scrubbing angle can be adjusted at will, stubborn stains can be rubbed away, no dead angles exist in the scrubbing process, and time and labor are saved; and scrubbing personnel can be well protected without inhaling and being tainted with dust, the problem that dirt enters eyes is solved, dust dirt scrubbed off cannot fall off onto equipment below, scrubbing height limitation is avoided, the scrubbing tasks can be completed independently by one person, and the scrubbing effect is good.

The invention discloses a high altitude working electrical equipment anti-flashover cleaning device. The high altitude working electrical equipment anti-flashover cleaning device includes a cleaning head which is driven by a power device through a transmission flexible pipe; the cleaning head includes a rotation brush which is vertically arranged; a protective cover having a C-shaped cross section covers one side of the rotation brush; a handle is fixedly arranged outside the protective cover; an upper rod horizontally extending is fixedly arranged on the internal upper end of the protective cover; ends of the upper rod and the upper end of the rotation brush form a rotation fit through an upper connection device; the internal lower end of the protective cover is hinged to a lower rod capable of vertically swinging through a horizontal shaft; and the lower rod and the lower end of the rotation brush form a rotation fit through a lower connection device. The advantages of the invention are that the high altitude working electrical equipment anti-flashover cleaning device is reasonable in structure, can rapidly complete a scrubbing task according to the shape of a device to be scrubbed, can freely and rapidly switch a near distance scrubbing mode and a far distance scrubbing mode without changing a position of an operator, can freely adjust the scrubbing angle, can scrub away stubborn stains, has no scrubbing dead angles, can save time and effort, can protect a scrubbing worker well, will not absorb and contact dust, can protect eyes from dirt, can prevent scrubbed dust and dirt from falling on lower devices, is not limited by the scrubbing height, can complete the scrubbing task by one person, and is high in scrubbing efficiency.

The invention discloses a semi-automatic insulation-reinforced auxiliary device for an electrical power system. The semi-automatic insulation-reinforced auxiliary device comprises a sweeping head, wherein the sweeping head is driven by a power device through a transmission hose. The sweeping head comprises a rotary brush which is vertically arranged. A protective cover is arranged at one side of the rotary brush in a covering manner, wherein the cross section of the protective cover is in a C shape. A handle is fixedly arranged at the outer side of the protective cover. An upper rod which extends transversely is fixedly arranged at the upper end of the inner side of the protective cover. The end of the upper rod is matched with the upper end of the rotary brush in a rotary manner through an upper connecting device. A lower rod is hinged to the lower end of the inner side of the protective cover through a horizontal shaft, wherein the lower rod can swing up and down. The lower rod is matched with the lower end of the rotary brush in a rotary manner through a lower connecting device. The device has the beneficial effects that the structure is reasonable; the scrubbing task can be finished rapidly according to the shape of scrubbed equipment; two modes, namely close-distance scrubbing and long-distance scrubbing, can be switched freely and rapidly under the condition that the position of an operator does not need to be changed; the scrubbing angle can be adjusted at any will; stubborn stains can be wiped off; no dead corner is left after scrubbing is completed; time and labor are saved; performance for protecting scrubbing workers is good, dust can neither be inhaled nor be attached to the scrubbing workers, and the problem that contaminants enter eyes does not exists; the dust and the contaminants generated in the scrubbing process cannot fall onto the equipment located below; the device is not limited by the scrubbing height; the scrubbing task can be finished by one person independently; and the scrubbing effect is good.

The invention discloses a portable electric system anti-flashover maintenance device. The portable electric system anti-flashover maintenance device includes a cleaning head which is driven by a power device through a transmission flexible pipe; the cleaning head includes a rotation brush which is vertically arranged; a protective cover having a C-shaped cross section covers one side of the rotation brush; a handle is fixedly arranged outside the protective cover; an upper rod horizontally extending is fixedly arranged on the internal upper end of the protective cover; ends of the upper rod and the upper end of the rotation brush form a rotation fit through an upper connection device; the internal lower end of the protective cover is hinged to a lower rod capable of vertically swinging through a horizontal shaft; and the lower rod and the lower end of the rotation brush form a rotation fit through a lower connection device. The advantages of the invention are that the portable electric system anti-flashover maintenance device is reasonable in structure, can rapidly complete a scrubbing task according to the shape of a device to be scrubbed, can freely and rapidly switch a near distance scrubbing mode and a far distance scrubbing mode without changing a position of an operator, can freely adjust the scrubbing angle, can scrub away stubborn stains, has no scrubbing dead angles, can save time and effort, can protect a scrubbing worker well, will not absorb and contact dust, can protect eyes from dirt, can prevent scrubbed dust and dirt from falling on lower devices, is not limited by the scrubbing height, can complete the scrubbing task by one person, and is high in scrubbing efficiency.

The invention discloses a power supply management system and a power supply management method. The method comprises the steps that a system power supply is monitored in real time; when the system power supply is powered off, a power supply device currently having the maximum total residual power is selected out of multiple power supply devices and the power supply device is controlled to discharge, and the next power supply device having the maximum total residual power is switched on to perform discharging after the end of discharging of the current power supply device; and when the system power supply is powered on, the power supply device currently having the maximum total residual power is selected out of multiple power supply devices and the power supply device is charged, and the next power supply device having the maximum total residual power is switched on to perform charging after the end of power charging of the current power supply device. Capacity expanding of a DC power supply system can be effectively realized through parallel use of multiple sets of power supply devices, and multiple sets of low-capacity old batteries can be utilized so that the capacity expanding cost can be greatly saved and the service life of all sets of battery packs is ensured to be consistent.

The invention discloses a portable type decontamination cleaning tool for power device which comprises a cleaning head driven by a power device through a transmission hose, wherein the cleaning head comprises a rotary brush which is vertically arranged; a protective cover with a C-shaped cross section covers one side of the rotary brush; a handle is fixedly arranged at the outer side of the protective cover; an upper rod which extends transversely is fixedly arranged at the upper end inside the protective cover; the end part of the upper rod is in running fit to the upper end of the rotary brush through an upper connecting device; the lower end inside the protective cover is hinged with a lower rod which can swing up and down through a horizontal shaft; and the lower rod is in running fit to the lower end of the rotary brush through a lower connecting device. The portable type decontamination cleaning tool has the advantages that: the structure is reasonable, a scrubbing task can be quickly completed according to the shape of scrubbed equipment, a short-distance scrubbing mode and a long-distance scrubbing mode can be freely and quickly switched without changing location of an operator, a scrubbing angle is arbitrarily adjustable, stubborn stains can be scrubbed without a scrubbing dead angle, time and labor are saved, protection on scrubbing staff is good due to the fact that the scrubbing staff does not suck and is not infected with dust, the problem that dirt enters eyes of the scrubbing staff is further avoided, dust dirt obtained by scrubbing does not drop to equipment below, limitation of scrubbing height is avoided, one people can independently complete the scrubbing task, and the scrubbing effect is good.

The invention relates to a special automatic perforating machine for finished product artificial leather production and processing. The special automatic perforating machine for finished product artificial leather production and processing comprises a bottom plate, a material placing device, a perforating device and a waste collecting device. The perforating device is mounted in the middle of thebottom plate, the waste collecting device is arranged on the outer side of the perforating device, the material placing device is arranged on the outer side of the waste collecting device, and the waste collecting device and the material placing device are mounted on the bottom plate. The material placing device comprises a mounting rack, an active material placing roller, an auxiliary material placing roller, a connecting rack and a rotating motor. The perforating device comprises a supporting rack, a power mechanism and a perforating mechanism. The waste collecting device comprises a collecting box, a supporting plate, a working plate, a rotating motor, a rotating disc, a rotating column, a rotating rack, a moving column, a moving plate and a swinging rack. The special automatic perforating machine for finished product artificial leather production and processing provided by the invention can solve the problems that in the leather perforating process, the continuity is poor, the working efficiency is low and the stability is poor and wastes need to be collected manually and the like, and can achieve the function of perforating the leather automatically.

The invention discloses an integrated cleaning device for power equipment flashover prevention. The integrated cleaning device for power equipment flashover prevention comprises a cleaning head which is driven by a power device via a drive hose. The cleaning head comprises a vertically arranged rotary brush. One side of the rotary brush is covered with a protective cover with the C-shaped cross section. A handle is fixedly arranged on the outer side of the protective cover. A transversely extending upper rod is fixedly arranged at the upper end of the inner side of the protective cover. The end of the upper rod is in rotary fit with the upper end of the rotary brush through an upper connection device. A lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft. The lower rod is in rotary fit with the lower end of the rotary brush through a lower connection device. The integrated cleaning device for power equipment flashover prevention has the advantages that the structure is reasonable, the scrubbing task can be completed quickly according to the shapes of devices to be scrubbed, the close scrubbing mode and the remote scrubbing mode can be switched freely and quickly without position shift of operators, the scrubbing angle can be adjusted at will, stubborn stains can be removed, no dead corner of scrubbing exists, and both time and labor are saved; scrubbing workers are well protected and do not inhale or be infected with dust, the situation that dirt gets in eyes is avoided, and the dust dirt removed through scrubbing cannot fall onto devices below; and the integrated cleaning device is not limited by the scrubbing height, the scrubbing task can be completed by one person independently, and the scrubbing effect is good.

The invention discloses a flashover prevention auxiliary tool of a semi-automatic electric power device. The flashover prevention auxiliary tool comprises a sweeping head driven by a power device through a transmission hose. The sweeping head comprises a vertically-arranged rotating brush. One side of the rotating brush is covered with a protection cover with the cross section in a C shape. A handle is fixedly arranged on the outer side of the protection cover. A transversely-extending upper rod is fixedly arranged at the upper end of the inner side of the protection cover. The end of the upper rod is in running fit with the upper end of the rotating brush through an upper connecting device. A lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protection cover through a horizontal shaft. The lower rod is in running fit with the lower end of the rotating brush through a lower connecting device. The flashover prevention auxiliary tool has the beneficial effects that the structure is reasonable; a scrubbing task can be fast completed according to the shape of scrubbed equipment; the two manners of short-distance scrubbing and long-distance scrubbing can be freely and fast switched without changing the position of an operator; the scrubbing angle is freely adjustable; stubborn dirt can be wiped off; no dead corner exists during scrubbing; time and labor are saved; protectiveness on scrubbing personnel is good; dust suction and contamination are avoided, and the problem that dirt enters eyes does not exist; wiped-off dust dirt cannot fall onto lower equipment; the limitation of the scrubbing height is avoided; the scrubbing task can be completed independently by one person; and the scrubbing effect is high.

The invention discloses a decontamination cleaner for high-altitude operation electrical equipment. The decontamination cleaner comprises a cleaning head driven by a power device through a transmission hose, wherein the cleaning head comprises a rotary brush which is vertically arranged; a protective cover with a C-shaped cross section covers one side of the rotary brush; a handle is fixedly arranged at the outer side of the protective cover; an upper rod which extends transversely is fixedly arranged at the upper end inside the protective cover; the end part of the upper rod is in running fit to the upper end of the rotary brush through an upper connecting device; the lower end inside the protective cover is hinged with a lower rod which can swing up and down through a horizontal shaft; and the lower rod is in running fit to the lower end of the rotary brush through a lower connecting device. The decontamination cleaner has the advantages that: the structure is reasonable, a scrubbing task can be quickly completed according to the shape of scrubbed equipment, a short-distance scrubbing mode and a long-distance scrubbing mode can be freely and quickly switched without changing location of an operator, a scrubbing angle is arbitrarily adjustable, stubborn stains can be scrubbed without a scrubbing dead angle, time and labor are saved, protection on scrubbing staff is good due to the fact that the scrubbing staff does not suck and is not infected with dust, the problem that dirt enters eyes of the scrubbing staff is further avoided, dust dirt obtained by scrubbing does not drop to equipment below, limitation of scrubbing height is avoided, one people can independently complete the scrubbing task, and the scrubbing effect is good.

The invention discloses a semi-automatic insulation protection assisting device for electric systems. The device comprises a cleaning head driven by a power device through a driving hose; the cleaning head comprises a rotary brush arranged vertically; a protective cover with a C-shaped cross section is arranged on one side of the rotary brush in a covering mode; a handle is fixed to the outer side of the protective cover; an upper rod extending transversely is fixedly arranged at the upper end of the inner side of the protective cover; the end of the upper rod is matched with the upper end of the rotary brush through an upper connecting device in a rotating mode; and a lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft and is matched with the lower end of the rotary brush through a lower connecting device in a rotating mode. The device has the advantages that the structure is reasonable, the scrubbing task can be quickly completed according to the shape of equipment to be scrubbed, the short-distance scrubbing mode and the long-distance scrubbing mode can be freely and quickly switched without changing the position of an operator, the scrubbing angle can be freely adjusted, stubborn stains can be erased, scrubbing can be carried out without dead angles, time and labor are saved, protectiveness for scrubbing personnel is good, the scrubbing personnel can be prevented from inhaling dust or being contaminated by the dust, the phenomenon that dirt enters eyes can be avoided, the dust and dirt falling down after scrubbing cannot fall onto lower equipment, scrubbing is free of height restriction, the scrubbing task can be completed by one operator independently, and the scrubbing effect is good.

The invention discloses an insulating property maintenance assistor for an electric device. The assistor comprises a cleaning head which is driven by a power device through a transmission flexible pipe. The cleaning head comprises a vertically-arranged rotary brush. A protective cover with a C-shaped cross section covers one side of the rotary brush. A handle is fixedly arranged outside the protective cover. An upper rod extending transversely is fixedly arranged on the upper end inside the protective cover. The end portion of the upper rod is in rotary cooperation with the upper end of the rotary brush through an upper connecting device. The lower end inside the protective cover is hinged to a lower rod that can swing upwards and downwards through a horizontal shaft. The lower rod is in rotary cooperation with the lower end of the rotary brush through a lower connecting device. The advantages are that the assistor, with a reasonable structure, can quickly finish cleaning tasks on the basis of the shape of equipment to be cleaned, can be freely and quickly switched between a near-distance cleaning mode and a long-distance cleaning mode without changes of positions where operators are located, is freely adjustable in cleaning angle, can clean stubborn stains, leaves no dead corners, is time-saving and labor-saving, can prevent the cleaning workers from absorbing or being infected with dust and also prevent dirt from entering the eyes of the workers so as to well protect the workers, prevents the removed dust and dirt from falling onto equipment below, is not limited by cleaning height, enables just one person to finish the cleaning tasks independently, and has a high cleaning effect.

Disclosed is an insulator surface cleaning device capable of achieving free combination. The insulator surface cleaning device capable of achieving free combination comprises a cleaning head, wherein the cleaning head is driven by a power device through a transmission hose. The cleaning head comprises a rotating brush, wherein the rotating brush is vertically arranged. A protective cover covers one side of the rotating brush, wherein the cross section of the protective cover is in a C shape. A handle is fixedly arranged on the outer side of the protective cover. An upper rod which transversely extends is fixedly arranged at the upper end of the inner side of the protective cover, and the end of the upper rod and the upper end of the rotating brush are in running fit through an upper connecting device. A lower rod which can swing up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft, and the lower rod and the lower end of the rotating brush are in running fit through a lower connecting device. The insulator surface cleaning device capable of achieving free combination has the advantages that the structure is reasonable, the scrubbing task can be rapidly accomplished according to the shape of a scrubbed facility, and the short-distance scrubbing mode and the long-distance scrubbing mode can be freely and rapidly switched on the premise that the position of an operator does not need to be changed; the scrubbing angle can be adjusted randomly, stubborn stains can be scrubbed away, no dead angles of scrubbing exist, and both time and labor are saved; scrubbing workers are well protected, and cannot inhale dust or be contaminated by dust, the phenomenon that dirt enters the eyes cannot happen, and the scrubbed dust dirt cannot drop to the device at the lower position; and the insulator surface cleaning device is not limited by the scrubbing height, one worker can independently accomplish the scrubbing task, and the scrubbing efficiency is high.

The invention discloses a single-person device for polling and dust removal of an electric power system. The device comprises a sweeping head which is driven by a power device via a transmission hose, wherein the sweeping head comprises a vertically disposed rotation brush; one side of the rotation brush is covered by a protective cover with a C-shaped cross section; a handle is firmly disposed on the outer side of the protective cover; a horizontally extending upper rod is firmly disposed on the upper end of the inner side of the protective cover; then upper rod end part is in rotary fitting with the upper end of the rotation brush by an upper connecting device; the lower end of the inner side of the protective cover is in hinged connection with a lower rod which can be swayed up and down by a horizontal shaft; and the lower rod is in rotary fitting with the lower end of the rotation brush by a lower connecting device. The device has the advantages that the structure is rational; scrubbing tasks can be completed rapidly according to shapes of scrubbed equipment; two modes including near-distance scrubbing and far-distance scrubbing can be switched freely and rapidly, and the location of an operator does not need to be changed; a scrubbing angle can be adjusted at will; stubborn blots can be scrubbed; scrubbing without any dead corner can be achieved; consumption of time and effort can be reduced; the scrubbing operator can be protected, and will not inhale and get contaminated by dust; the problem that pollutants enter eyes can be avoided; scrubbed dust pollutants will not fall onto equipment under the device; limit of the scrubbing height can be avoided; scrubbing tasks can be completed by only one person; and scrubbing effects are good.

The invention discloses an integral electric device anti-flashover auxiliary tool. The integral electric device anti-flashover auxiliary tool comprises a cleaning head driven by a power device through a transmission hose; the cleaning head includes a rotating brush vertically arranged; one side of the rotating brush is coated with a protective cover with C-shaped cross section; the outer side of the protective cover is fixed with a handle; the upper end of the inner side of the protective cover is fixed with an upper rod for transversely extending; the end part of the upper rod is rotationally matched with the upper end of the rotating brush through an upper connecting device; the lower end of the inner side of the protective cover is hinged with a lower rod capable of swinging up and down through a horizontal shaft; and the lower rod is rotationally matched with the lower end of the rotating brush through a lower connecting device. The integral electric device anti-flashover auxiliary tool has the advantages of: reasonable structure, capability of quickly finishing the wiping task according to the shape of wiping equipment, capability of freely and quickly switching two modes of near wiping and far wiping without changing the position of operators, random adjustment of the wiping angle, capability of removing stubborn dirt, no dead angles in wiping, time and labor saving, good protection of wiping persons, incapability of sucking and staining dust, generation of no problem of the dirt entering eyes, no falling of the wiped dust dirt onto lower equipment, no limitation by the wiping height, capability of independently finishing the wiping task by one person, and high wiping effect.

The invention discloses an insulator surface cleaning device of field operation. The cleaning device comprises a cleaning head driven by a power device through a driving hose; the cleaning head comprises a rotary brush arranged vertically; a protective cover with a C-shaped cross section is arranged on one side of the rotary brush in a covering mode; a handle is fixed to the outer side of the protective cover; an upper rod extending transversely is fixedly arranged at the upper end of the inner side of the protective cover; the end of the upper rod is matched with the upper end of the rotary brush through an upper connecting device in a rotating mode; and a lower rod capable of swinging up and down is hinged to the lower end of the inner side of the protective cover through a horizontal shaft and is matched with the lower end of the rotary brush through a lower connecting device in a rotating mode. The cleaning device has the advantages that the structure is reasonable, the scrubbing task can be quickly completed according to the shape of equipment to be scrubbed, the short-distance scrubbing mode and the long-distance scrubbing mode can be freely and quickly switched without changing the position of an operator, the scrubbing angle can be freely adjusted, stubborn stains can be erased, scrubbing can be carried out without dead angles, time and labor are saved, protectiveness for scrubbing personnel is good, the scrubbing personnel can be prevented from inhaling dust or being contaminated by the dust, the phenomenon that dirt enters eyes can be avoided, the dust and dirt falling down after scrubbing cannot fall onto lower equipment, scrubbing is free of height restriction, the scrubbing task can be completed by one operator independently, and the scrubbing effect is good.