CN110070967B - Cleaning device for extra-high voltage strain insulator string - Google Patents
Cleaning device for extra-high voltage strain insulator string Download PDFInfo
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- CN110070967B CN110070967B CN201910464320.5A CN201910464320A CN110070967B CN 110070967 B CN110070967 B CN 110070967B CN 201910464320 A CN201910464320 A CN 201910464320A CN 110070967 B CN110070967 B CN 110070967B
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
- C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
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- C—CHEMISTRY; METALLURGY
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/04—Chains; Multiple chains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/12—Special features of strain insulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/52—Insulators or insulating bodies characterised by their form having cleaning devices
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
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Abstract
The invention discloses an extra-high voltage strain insulator string cleaning device, which belongs to the technical field of insulator anti-pollution flashover and comprises support mechanisms arranged at two ends of an insulator string and cleaning mechanisms arranged on the support mechanisms, wherein each support mechanism comprises a fixing piece and a support rod, the fixing pieces are respectively arranged on insulator steel caps at the two ends of the insulator string, the two ends of the two fixing pieces are respectively connected through the support rods, and the two support rods are respectively provided with a plurality of cleaning mechanisms. The insulator string cleaning machine has the advantages of high automation degree, convenience in operation, complete insulator string cleaning and high cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of insulator pollution flashover prevention, in particular to a cleaning device for an extra-high voltage strain insulator string.
Background
The high-voltage insulator is exposed in the air for a long time to operate, is influenced by environmental factors such as air pollution, natural dust emission and the like, cannot avoid adhering solid, liquid and gas pollution particles on the surface, and generally has certain conductivity and hygroscopicity. Under the combined action of weather conditions such as fog, dew, rain, snow and the like, the insulation level of the insulator can be greatly reduced, so that the leakage current on the surface of the insulator is increased, and the phenomenon of pollution flashover can occur under the working voltage to cause power failure accidents. With the development of electric power science and technology, the possibility of power grid collapse caused by local faults is very little, but when a large number of lines are tripped out at a time and power is continuously lost from power generation and transformation stations, serious consequences of power grid collapse are inevitably caused, large-area external insulation pollution flashover is the reason of the catastrophic accidents, and serious economic loss is caused to electric power systems in China.
The ultra-high voltage strain insulator string is large in size and large in cleaning difficulty, and the traditional electrified cleaning (washing) method mainly comprises the following three steps: dry cleaning, air blowing and water washing are adopted, so that the labor intensity is high, the operation difficulty is high, the efficiency is low, and the cleaning effect is poor; the air blowing is adopted, and a large number of dead corners cannot be cleaned due to the inconvenience in operation and the limitation of spray washing equipment, so that the cleaning is not thorough; the safety of equipment and operators is difficult to be fully guaranteed by adopting water washing.
The patent with the publication number of CN 204412671U discloses a 500kV insulator string electrified insulator cleaning device, which comprises a cleaning agent rotary nozzle arranged at the end part of a telescopic insulating operating rod, wherein the telescopic insulating operating rod is suspended on a suspension insulating mechanism, a cleaning agent liquid supply pipe is arranged in the telescopic insulating operating rod, and the telescopic insulating operating rod is suspended and also connected with a ground wire. To the insulator chain of perpendicular installation, through suspending in midair insulating mechanism, the operating personnel can be relaxed realize wasing telescopic insulating bar and cleaner rotation type nozzle along insulator chain up-and-down motion whole insulator chain, need not have the power failure operation among the whole operation process moreover, little to the production operation influence, realize hanging insulator chain to high tension transmission line and conveniently, swiftly, carry out electrified insulating cleaner cleaning operation safely. However, this utility model belt cleaning device washs the insulator through the mode of washing, and the insulator chain washs inhomogeneously, needs constantly to adjust belt cleaning device's position, and the cleaning efficiency is low.
Patent document with publication number CN 104538132 a discloses a cleaning device for insulator single-rod arc cover insulating agent of power transmission line insulator, which comprises an arc insulating cover capable of sliding on an insulator string, wherein a jet nozzle is installed in the arc insulating cover, an insulating operating rod is connected to the jet nozzle through a universal joint bearing, and a cleaning agent liquid supply pipe is arranged in the insulating operating rod and is communicated with the jet nozzle. The arc-shaped insulating cover adopts a semi-arc design, so that the spraying range of the insulating cleaning agent can be effectively controlled in a certain area, and the insulator series connection in the area can be ensured to be sufficiently cleaned. The insulating operation rod and the universal joint bearing can be convenient for operators to send the arc-shaped insulating cover, the jet nozzle and the like to insulators at different positions for operation. However, after the insulating cleaning agent is sprayed, the cleaning agent still needs to be cleaned and wiped manually, so that the cleaning agent is low in convenience and safety and low in cleaning efficiency.
Disclosure of Invention
In view of the above, the invention provides the extra-high voltage strain insulator string cleaning device which has the advantages of high automation degree, convenience in operation, comprehensive insulator string cleaning and high cleaning efficiency, and aims to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides an extra-high voltage strain insulator string belt cleaning device, is in including setting up the supporting mechanism at insulator string both ends and setting the wiper mechanism on the supporting mechanism, the supporting mechanism includes mounting and bracing piece, set up one respectively on the insulator steel cap at insulator string both ends the mounting, two the both ends of mounting are respectively through one the bracing piece is connected, two all set up a plurality ofly on the bracing piece wiper mechanism.
Further, wiper mechanism includes electric reciprocating telescopic link, connecting block, semicircular cleaning brush and washing shower nozzle, electric reciprocating telescopic link sets up the bracing piece upside, the semicircular cleaning brush passes through the connecting block sets up electric reciprocating telescopic link tip, set up on the connecting block wash the shower nozzle.
Furthermore, an electric sliding groove sliding block and a sliding contact line are arranged on the supporting rod, the cleaning mechanism is arranged on the electric sliding groove sliding block, and the cleaning mechanism is connected with a power supply through the sliding contact line.
Further, the fixing piece comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively arranged on the upper side and the lower side of the air dome insulator steel cap and are fixed through bolts.
Further, connecting block one end sets up the internal thread hole, and the other end sets up the recess, set up the round pin axle in the recess, the semicircular cleaning brush with the round pin axle is articulated, round pin axle both sides all set up the stopper.
Further, the bracing piece is the cavity body of rod, the built-in cleaner of bracing piece, set up the water pump on the bracing piece, the water pump is got the cleaner and with the shower nozzle of wasing passes through the pipe intercommunication.
Further, the cleaning agent is prepared from the following components in parts by weight: 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether, 10-20 parts of trifluorotrichloroethane, 10-15 parts of nano oxide, 5-8 parts of sodium carbonate, 8-10 parts of naphtha and 50-60 parts of pure water.
Further, the preparation method of the cleaning agent comprises the following steps: (1) adding 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether and 10-20 parts of trifluorotrichloroethane into 50-60 parts of pure water, and dispersing in an ultrasonic high-speed dispersion machine, wherein the ultrasonic frequency is 30kHz, the dispersion speed is 5200r/min, and the dispersion time is 45 min;
(2) adding 5-8 parts of soda ash and 8-10 parts of naphtha into the mixture prepared in the step (1), and continuously dispersing, wherein the ultrasonic frequency is 27kHz, the dispersion speed is 5000r/min, and the dispersion time is 40 min;
(3) and (3) adding 10-15 parts of nano oxide into the mixture prepared in the step (2), performing ultrasonic high-speed dispersion, wherein the ultrasonic frequency is 25kHz, the dispersion speed is 4700r/min, the dispersion time is 30min, and uniformly mixing to obtain the product.
Compared with the prior art, the invention has the following beneficial effects:
according to the cleaning device for the extra-high voltage strain insulator string, the plurality of cleaning mechanisms are arranged on the supporting rods on the two sides of the insulator string and respectively spray and scrub the two sides of the insulator, so that the plurality of insulators can be completely cleaned at the same time, the automation degree is high, the manpower is saved, and the potential safety hazard is reduced; the cleaning mechanism comprises an electric reciprocating telescopic rod, a connecting block, a semi-annular cleaning brush and a cleaning spray head, the electric reciprocating telescopic rods on the supporting rods at two sides of the insulator string keep asynchronous action under the action of the controller, namely when the electric reciprocating telescopic rod at one side extends, the electric reciprocating telescopic rod at the other side contracts, so that the semi-annular cleaning brushes at two sides are mutually matched, dirty liquid is prevented from being concentrated at the middle part of the insulator, and the cleaning effect is ensured; the supporting rods are provided with electric sliding groove sliding blocks and sliding contact lines, electric reciprocating telescopic rods of the cleaning mechanisms can slide on the supporting rods, and the cleaning mechanisms are moved to the positions before the insulators are not cleaned under the control of the controller to be cleaned after the current insulators are cleaned, so that the number of the cleaning mechanisms working at the same time is kept, and the failure probability is reduced; the inside cleaner that is equipped with of bracing piece to go into the shower nozzle on the connecting block with the cleaner pump through the water pump, open the water pump switch, spray the cleaner on the insulator surface, then, drive the cleaning brush through electric reciprocating telescopic link and scrub repeatedly, can clear away insulator surface spot fast, efficient.
In addition, the cleaning agent provided by the invention can remove surface stains of the insulator through comprehensive actions of mechanisms such as permeation, complexation, dispersion and expansion when in use. The sodium dodecyl sulfate is a compound with hydrophilic groups, is a good washing assistant and plays a role in preventing the redeposition of dirt; the trifluorotrichloroethane can form a stable complex with various metal ions such as iron, copper, zinc and the like, and shows an ideal synergistic effect with sodium dodecyl sulfate, the nano oxide is used as a dispersing agent, the surface tension of the cleaning agent can be reduced, the infiltration performance of the cleaning agent on pollutants is enhanced, the ethylene oxide and propylene oxide block polyether are used as a penetrating agent, the cleaning agent is facilitated to be deeply penetrated into the pollutants, the complex dissolution of carbonate on the pollutants is further promoted, and the cleaning effect is improved.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view showing the construction of a half-circle type washing brush in the present invention;
the cleaning device comprises a fixing piece, a supporting rod 2, an insulator string 3, an electric reciprocating telescopic rod 4, a connecting block 5, a semi-annular cleaning brush 6, a cleaning nozzle 7 and a limiting block 8.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in figure 1, an extra-high voltage strain insulator string cleaning device comprises a supporting mechanism and a cleaning mechanism, wherein the supporting mechanism is arranged at two ends of an insulator string, the cleaning mechanism is arranged on the supporting mechanism, the supporting mechanism comprises a fixing part 1 and a supporting rod 2, the insulator steel caps at two ends of the insulator string 3 are respectively provided with one fixing part 1 and two, two ends of the fixing part 1 are respectively connected through one supporting rod 2, and the supporting rod 2 is provided with a plurality of cleaning mechanisms.
Specifically, wiper mechanism's quantity is 4, wiper mechanism includes electric reciprocating telescopic handle 4, connecting block 5, semicircular cleaning brush 6 and washing shower nozzle 7, electric reciprocating telescopic handle 4 sets up 2 upsides of bracing piece, semicircular cleaning brush 6 passes through connecting block 5 sets up 4 tip of electric reciprocating telescopic handle, set up on connecting block 5 washing shower nozzle 7.
According to the cleaning device for the ultra-high voltage strain insulator string, provided by the embodiment of the invention, the plurality of cleaning mechanisms are arranged on the support rods on the two sides of the insulator string and are used for respectively spraying and scrubbing the two sides of the insulator, so that a plurality of insulators can be simultaneously and completely cleaned, the automation degree is high, the manpower is saved, and the potential safety hazard is reduced; the wiper mechanism includes electric reciprocating telescopic handle, connecting block, semi-ring cleaning brush and washing shower nozzle, and electric reciprocating telescopic handle on the bracing piece of insulator chain both sides keeps asynchronous action under the effect of controller, and when the electric reciprocating telescopic handle of one side extended promptly, the electric reciprocating telescopic handle shrink of opposite side to make the semi-ring cleaning brush of both sides mutually support, avoid the foul solution to concentrate on the insulator middle part, guarantee the cleaning performance.
Example two
As shown in figure 1, an extra-high voltage strain insulator string cleaning device comprises a supporting mechanism and a cleaning mechanism, wherein the supporting mechanism is arranged at two ends of an insulator string, the cleaning mechanism is arranged on the supporting mechanism, the supporting mechanism comprises a fixing part 1 and a supporting rod 2, the insulator steel caps at two ends of the insulator string 3 are respectively provided with one fixing part 1 and two, two ends of the fixing part 1 are respectively connected through one supporting rod 2, and the supporting rod 2 is provided with a plurality of cleaning mechanisms.
Specifically, wiper mechanism's quantity is 4, wiper mechanism includes electric reciprocating telescopic handle 4, connecting block 5, semicircular cleaning brush 6 and washing shower nozzle 7, electric reciprocating telescopic handle 4 sets up 2 upsides of bracing piece, semicircular cleaning brush 6 passes through connecting block 5 sets up 4 tip of electric reciprocating telescopic handle, set up on connecting block 5 washing shower nozzle 7.
The cleaning device for the extra-high voltage strain insulator string provided by the embodiment of the invention is different from the cleaning device in the first embodiment in that: the support rod is provided with an electric sliding chute sliding block and a sliding contact line, the cleaning mechanism is arranged on the electric sliding chute sliding block, and the cleaning mechanism is connected with a power supply through the sliding contact line;
the fixing piece 1 comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively arranged on the upper side and the lower side of the air dome insulator steel cap and are fixed through bolts.
In the embodiment of the invention, the supporting rod is provided with the electric sliding chute sliding block and the sliding contact line, the electric reciprocating telescopic rod of the cleaning mechanism can slide on the supporting rod, and the plurality of cleaning mechanisms move to the positions before the insulators are not cleaned under the control of the controller to clean after the current insulators are cleaned, so that the number of the cleaning mechanisms working at the same time is kept, and the failure probability is reduced.
EXAMPLE III
The cleaning device for the extra-high voltage strain insulator string provided by the embodiment of the invention is different from the cleaning device in the first embodiment and the cleaning device in the second embodiment in that: one end of the connecting block 5 is provided with an internal threaded hole, the other end of the connecting block is provided with a groove, a pin shaft is arranged in the groove, the semi-annular cleaning brush is hinged with the pin shaft, and two sides of the pin shaft are provided with limiting blocks;
the support rod 2 is a hollow rod body, a cleaning agent is arranged in the support rod 2, a water pump is arranged on the support rod 2, and the water pump pumps the cleaning agent and is communicated with the cleaning nozzle 7 through a guide pipe.
According to the extra-high voltage strain insulator string cleaning device, the connecting block is in threaded connection with the electric reciprocating telescopic rod, the other end of the connecting block is hinged with the semi-annular cleaning brush, so that the semi-annular cleaning brush keeps rotating slightly in the two limiting blocks, the semi-annular cleaning brush can be attached to the surface of an insulator, and the surface of the insulator is prevented from being damaged; the inside cleaner that is equipped with of bracing piece to go into the shower nozzle on the connecting block with the cleaner pump through the water pump, open the water pump switch, spray the cleaner on the insulator surface, then, drive the cleaning brush through electric reciprocating telescopic link and scrub repeatedly, can clear away insulator surface spot fast, efficient.
The use method of the cleaning device for the extra-high voltage strain insulator string provided by the embodiment of the invention comprises the following steps: (1) two equipotential personnel are respectively positioned at two ends of the insulator string, the fixing pieces are installed on the insulator steel caps at the two ends, and the two support rods lifted to the working position are installed at two sides of the insulator string and are respectively fixed between the two fixing pieces;
(2) controlling the electric sliding chute sliding block to enable the cleaning mechanisms on two sides of the insulator string to move to the side face of one insulator respectively, turning on the water pump switch, and spraying cleaning liquid in the supporting rod to the surface of the insulator;
(3) the controller controls the electric reciprocating telescopic rods on the two sides to perform asynchronous action, so that the electric reciprocating telescopic rods on one side of the insulator are started to extend firstly, when the electric reciprocating telescopic rods on the other side are contracted, the electric reciprocating telescopic rods on the other side start to extend, and then the electric reciprocating telescopic rods on the two sides reciprocate until the surface of the insulator is cleaned;
(4) and (4) after the insulator string is cleaned, moving the cleaning mechanism to the side of the lower insulator to be cleaned, and repeating the step (3) until all insulators on the insulator string are cleaned.
Example four
As shown in figure 1, an extra-high voltage strain insulator string cleaning device comprises a supporting mechanism and a cleaning mechanism, wherein the supporting mechanism is arranged at two ends of an insulator string, the cleaning mechanism is arranged on the supporting mechanism, the supporting mechanism comprises a fixing part 1 and a supporting rod 2, the insulator steel caps at two ends of the insulator string 3 are respectively provided with one fixing part 1 and two, two ends of the fixing part 1 are respectively connected through one supporting rod 2, and the supporting rod 2 is provided with a plurality of cleaning mechanisms.
Specifically, wiper mechanism's quantity is 4, wiper mechanism includes electric reciprocating telescopic handle 4, connecting block 5, semicircular cleaning brush 6 and washing shower nozzle 7, electric reciprocating telescopic handle 4 sets up 2 upsides of bracing piece, semicircular cleaning brush 6 passes through connecting block 5 sets up 4 tip of electric reciprocating telescopic handle, set up on connecting block 5 washing shower nozzle 7.
The support rod is provided with an electric sliding chute sliding block and a sliding contact line, the cleaning mechanism is arranged on the electric sliding chute sliding block, and the cleaning mechanism is connected with a power supply through the sliding contact line;
the fixing piece 1 comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively arranged on the upper side and the lower side of the air dome insulator steel cap and are fixed through bolts.
One end of the connecting block 5 is provided with an internal threaded hole, the other end of the connecting block is provided with a groove, a pin shaft is arranged in the groove, the semi-annular cleaning brush 6 is hinged with the pin shaft, and two sides of the pin shaft are provided with limiting blocks 8;
the support rod 2 is a hollow rod body, a cleaning agent is arranged in the support rod 2, a water pump is arranged on the support rod 2, and the water pump pumps the cleaning agent and is communicated with the cleaning nozzle through a guide pipe.
The cleaning device for the extra-high voltage strain insulator string provided by the embodiment of the invention is different from the first embodiment, the second embodiment and the third embodiment in that: the cleaning agent is prepared from the following components in parts by weight: 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether, 10-20 parts of trifluorotrichloroethane, 10-15 parts of nano oxide, 5-8 parts of sodium carbonate, 8-10 parts of naphtha and 50-60 parts of pure water.
The nano oxide is nano silicon dioxide.
The preparation method of the cleaning agent comprises the following steps: (1) adding 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether and 10-20 parts of trifluorotrichloroethane into 50-60 parts of pure water, and dispersing in an ultrasonic high-speed dispersion machine, wherein the ultrasonic frequency is 30kHz, the dispersion speed is 5200r/min, and the dispersion time is 45 min;
(2) adding 5-8 parts of soda ash and 8-10 parts of naphtha into the mixture prepared in the step (1), and continuously dispersing, wherein the ultrasonic frequency is 27kHz, the dispersion speed is 5000r/min, and the dispersion time is 40 min;
(3) and (3) adding 10-15 parts of nano oxide into the mixture prepared in the step (2), performing ultrasonic high-speed dispersion, wherein the ultrasonic frequency is 25kHz, the dispersion speed is 4700r/min, the dispersion time is 30min, and uniformly mixing to obtain the product.
In the embodiment of the invention, the prepared cleaning agent can remove surface stains of the insulator through comprehensive actions of mechanisms such as permeation, complexation, dispersion and expansion when in use. The sodium dodecyl sulfate is a compound with hydrophilic groups, is a good washing assistant and plays a role in preventing the redeposition of dirt; the trifluorotrichloroethane can form a stable complex with various metal ions such as iron, copper, zinc and the like, and shows an ideal synergistic effect with sodium dodecyl sulfate, the nano oxide is used as a dispersing agent, the surface tension of the cleaning agent can be reduced, the infiltration performance of the cleaning agent on pollutants is enhanced, the ethylene oxide and propylene oxide block polyether are used as a penetrating agent, the cleaning agent is facilitated to be deeply penetrated into the pollutants, the complex dissolution of carbonate on the pollutants is further promoted, and the cleaning effect is improved.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides an extra-high voltage strain insulator string belt cleaning device which characterized in that: the insulator string cleaning device comprises support mechanisms arranged at two ends of an insulator string and cleaning mechanisms arranged on the support mechanisms, wherein each support mechanism comprises a fixing part and a support rod, the fixing parts are respectively arranged on insulator steel caps at the two ends of the insulator string, the two ends of the two fixing parts are respectively connected through the support rod, and the two support rods are respectively provided with a plurality of cleaning mechanisms; the cleaning mechanism comprises an electric reciprocating telescopic rod, a connecting block, a semi-annular cleaning brush and a cleaning spray head, the electric reciprocating telescopic rod is arranged on the upper side of the supporting rod, the semi-annular cleaning brush is arranged at the end part of the electric reciprocating telescopic rod through the connecting block, and the cleaning spray head is arranged on the connecting block; the support rod is provided with an electric sliding chute sliding block and a sliding contact line, the cleaning mechanism is arranged on the electric sliding chute sliding block, and the cleaning mechanism is connected with a power supply through the sliding contact line; one end of the connecting block is provided with an internal threaded hole, the other end of the connecting block is provided with a groove, a pin shaft is arranged in the groove, the semi-annular cleaning brush is hinged with the pin shaft, and two sides of the pin shaft are provided with limiting blocks; the support rod is a hollow rod body, cleaning agents are filled in the support rod, a water pump is arranged on the support rod, and the water pump pumps the cleaning agents and is communicated with the cleaning spray head through a guide pipe;
the use method of the extra-high voltage strain insulator string cleaning device comprises the following steps: (1) two equipotential personnel are respectively positioned at two ends of the insulator string, the fixing pieces are installed on the insulator steel caps at the two ends, and the two support rods lifted to the working position are installed at two sides of the insulator string and are respectively fixed between the two fixing pieces;
(2) controlling the electric sliding chute sliding block to enable the cleaning mechanisms on two sides of the insulator string to move to the side face of one insulator respectively, turning on the water pump switch, and spraying cleaning liquid in the supporting rod to the surface of the insulator;
(3) the controller controls the electric reciprocating telescopic rods on the two sides to perform asynchronous action, so that the electric reciprocating telescopic rods on one side of the insulator are started to extend firstly, when the electric reciprocating telescopic rods on the other side are contracted, the electric reciprocating telescopic rods on the other side start to extend, and then the electric reciprocating telescopic rods on the two sides reciprocate until the surface of the insulator is cleaned;
(4) and (4) after the insulator string is cleaned, moving the cleaning mechanism to the side of the lower insulator to be cleaned, and repeating the step (3) until all insulators on the insulator string are cleaned.
2. The extra-high voltage strain insulator string cleaning device of claim 1, characterized in that: the fixing piece comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are respectively arranged on the upper side and the lower side of the air dome insulator steel cap and are fixed through bolts.
3. The extra-high voltage strain insulator string cleaning device of claim 1, characterized in that: the cleaning agent is prepared from the following components in parts by weight: 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether, 10-20 parts of trifluorotrichloroethane, 10-15 parts of nano oxide, 5-8 parts of sodium carbonate, 8-10 parts of naphtha and 50-60 parts of pure water.
4. The extra-high voltage strain insulator string cleaning device according to claim 3, characterized in that: the preparation method of the cleaning agent comprises the following steps: (1) adding 15-20 parts of sodium dodecyl sulfate, 15-20 parts of ethylene oxide propylene oxide block polyether and 10-20 parts of trifluorotrichloroethane into 50-60 parts of pure water, and dispersing in an ultrasonic high-speed dispersion machine, wherein the ultrasonic frequency is 30kHz, the dispersion speed is 5200r/min, and the dispersion time is 45 min;
(2) adding 5-8 parts of soda ash and 8-10 parts of naphtha into the mixture prepared in the step (1), and continuously dispersing, wherein the ultrasonic frequency is 27kHz, the dispersion speed is 5000r/min, and the dispersion time is 40 min;
(3) and (3) adding 10-15 parts of nano oxide into the mixture prepared in the step (2), performing ultrasonic high-speed dispersion, wherein the ultrasonic frequency is 25kHz, the dispersion speed is 4700r/min, the dispersion time is 30min, and uniformly mixing to obtain the product.
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| CN111073764A (en) * | 2019-10-18 | 2020-04-28 | 国网湖南省电力有限公司 | Environment-friendly cleaning and repairing agent for composite insulator |
| CN115102118B (en) * | 2022-05-30 | 2023-07-28 | 华能通辽风力发电有限公司 | Lead wire fixing and clamping structure in T-shaped power transmission tower |
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