CN101716904A - Dry ice cleaning vehicle of electrical equipment external insulation - Google Patents
Dry ice cleaning vehicle of electrical equipment external insulation Download PDFInfo
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- CN101716904A CN101716904A CN200910221729A CN200910221729A CN101716904A CN 101716904 A CN101716904 A CN 101716904A CN 200910221729 A CN200910221729 A CN 200910221729A CN 200910221729 A CN200910221729 A CN 200910221729A CN 101716904 A CN101716904 A CN 101716904A
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Abstract
The invention relates to a dry ice cleaning vehicle of electrical equipment external insulation, belonging to the cleaning equipment of the electrical equipment external insulation. A lifter (7) is fixed on a vehicle body (8); the top end of the lifter (7) is provided with a lift platform (3) on which an insulation telescopic arm (2) is arranged; the telescopic end of the insulation telescopic arm (2) is connected with an automatic dry ice particle track sprinkler head assembly (1); and a dry ice conveying insulation duct (4-1) on a dry ice conveying device (4) is communicated with a sprinkler head (1-8) on the automatic dry ice particle track sprinkler head assembly (1). The invention has the advantages of compact structure, larger inclusive area for cleaned objects, almost no cleaning dead corner, large one-step cleaning surface, high cleaning quality, convenient operation and high dirt removal efficiency, thereby being especially suitable for the cleaning work of vertically arranged cylindrical insulating equipment, such as insulators or sleeve pipes. The invention can be used as high-efficiency cleaning equipment for safe electric power production and electric power supply guarantee and has favorable social and economic benefits.
Description
Technical field
The present invention relates to a kind of washing equipment that is used for electrical apparatus external insulation, is a kind of dry ice cleaning vehicle of electrical apparatus external insulation specifically.
Background technology
The pollution flashover of electrical equipment is meant that the dunghill of insulation of electrical installation surface attachment is under wet condition, its soluble substance is water-soluble gradually, form one deck conducting film at insulating surface, the dielectric level of insulator is reduced greatly, the strong electric discharge phenomena that under electric field action, occur.Although existing anti-pollution measure is more, as adopt pollution proof insulator, accent to climb, increase insulator sheet number etc., but the electrical equipment that is in filthy area is under rough weather, its insulation is very easily breakdown, thereby generation pollution flashover accident, can influence the safe operation of electrical equipment when serious, bring unnecessary loss to electric system.
Along with social industrialization is growing, the normal operation of the safety of electric system is more and more important, because the pollution flashover fault of electric system can be brought shut-down, stopping production to the user, even major accident takes place, causes heavy economic losses and social influence.Therefore, the anti-pollution flashover of electrical equipment just seems extremely important, and the measure of anti-pollution flashover is a lot, traditional method is the power failure cleaning of spring and autumn, adopt coating such as silicone oil, silicone grease, increase the creepage of external insulation, the creeping-increasing skirt of use being arranged, use PRTV coating and living water washing etc. in recent years than distance.But this cleaning way cost height, complex operation step, purging medium is very serious to the mechanical damage and the chemical corrosion of equipment, and is bigger to the influence of electrical equipment.
The dry ice pollution clean-up technology is that liquid carbon dioxide is made dry ice particles or dry ice square by the dry ice ice engine; and grind to form behind the fine powder by cleaning system and pressurized air mixing jetting to being cleaned body surface; the impulsive force that utilizes solid dry ice particles high-speed motion to produce; the thermal expansion low in conjunction with the dry ice self-temperature and distillation is produced makes fouling, greasy dirt, the residual impurity of insulation clean surface be stripped from removing rapidly.
Chinese patent notification number: CN 2813125Y, open day: on September 6th, 2006, utility model title " dry ice cleaner ", its structure comprised dry ice supply car and cleaning spray gun, dry ice is supplied with the dry ice pipe of the ice mouth connection cleaning spray gun of car, and compressed air tube connects the high pressure air supply arrangement.
Chinese patent publication number: CN101480651A, open day: on July 15th, 2009, denomination of invention " washing system of electrical apparatus external insulation ", the dry ice particles shower nozzle has been proposed, the insulation adjustable support, dry ice is carried isolated pipe, dry ice feedway, air compressor, connect dry ice particles shower nozzle, insulation adjustable support before and after the air drying plant successively, the insulating support adjustable pipe, bracket adjustment engine installation front and back are the bonded assembly technical scheme successively.
Above-mentioned two technical schemes all can realize the charged on-line cleaning to electrical equipment, can not bring the electrical safety problem to closing on electrical equipment.But the mode of motion of cleaning spray gun or dry ice particles shower nozzle is single in the technique scheme, degree of freedom is little, can only carry out the cleaning of single face to outer insulator, particularly above-mentioned spray gun or shower nozzle can't be made circular movement around outer insulator, and it is big to clean the dead angle, if the mode by the complete machine motion is eliminated the dead angle, limited by environmental conditions, operation is extremely inconvenient, and the time of cleaning is longer, the work efficiency of cleaning is extremely low, and cleaning quality also is difficult to guarantee.
Summary of the invention
The objective of the invention is at the spray gun or the shower nozzle mode of motion of existing Dry ice cleaning device single, degree of freedom is little, the cleaning dead angle is big, clean work efficiency and lower defective and the deficiency of quality, a kind of dry ice cleaning vehicle high efficient and reliable of electrical apparatus external insulation is provided, can realizes the dry ice cleaning vehicle that insulating tube, insulation column or overhead transmission line insulator are carried out charged cleaning.
For achieving the above object, technical solution of the present invention is: the dry ice cleaning vehicle of electrical apparatus external insulation, comprise car body and the dry ice feedway that is fixed on the car body, be fixed with elevator on the described car body, the top of elevator is provided with lifting table, lifting table is provided with the insulation telescopic boom, the flexible end of insulation telescopic boom is connected with the automatic track nozzle component of dry ice particles, and the dry ice conveying isolated pipe on the described dry ice feedway is connected with the shower nozzle on the automatic track nozzle component of dry ice particles;
The automatic track nozzle component of described dry ice particles comprises air motor, troffer, press nips, track bracket, the semicircumference track, shower nozzle, the notch horizontal arrangement of described troffer, captive joint with the flexible end of insulation telescopic boom in the outside of troffer bottom land side, described air motor is fixed on the outer wall of frid on the troffer through the bolt group, be fixed with track bracket through the bracket bolt group on the inwall of described troffer, corresponding semicircumference track is provided with press nips on the track bracket, and corresponding semicircumference track is provided with pinch roller on the press nips, the rail level rolling touch of pinch roller and semicircumference track, the two ends of semicircumference track all are equipped with shower nozzle, the mouth of described air motor stretches in the inwall of frid on the troffer, and is fixed with sprocket wheel or gear at the mouth of air motor, and the arc length direction of described semicircumference track lateral wall is provided with bent plate chain or arc-shaped rack, described sprocket wheel is meshed with the bent plate chain, and perhaps described gear is meshed with arc-shaped rack.
Described shower nozzle is fixed on the output shaft of oscillating cylinder, the flexible end of oscillating cylinder and cylinder all is fixed on the air cylinder base, air cylinder base is fixed on the preceding line slideway, preceding line slideway and former rail slide bearing fit, the cylinder seat of former rail slide and cylinder all is fixed on the guiderail base, guiderail base is fixed on the line slideway of back, back line slideway parallels with preceding line slideway, back line slideway and rear rail slide bearing fit, the rear rail slide is captiveed joint with the semicircumference track through base plate, line slideway vertically evenly is provided with a registration hole behind the plate body upper edge of described guiderail base, corresponding knock hole is provided with the bayonet lock bearing on the described base plate, the bayonet lock bearing is provided with bayonet lock, and bayonet lock is connected with the knock hole plug-in card.
The cross-sectional plane of described semicircumference track is an I-shape, the flange of rail of corresponding semicircumference track is provided with two groups of press nips at least on the track bracket, the upper and lower faces of the corresponding semicircumference track flange of rail is provided with pinch roller on every group of press nips, and each pinch roller respectively with the upper and lower faces rolling touch of the semicircumference track flange of rail, the arc length direction of described semicircumference rail web outer wall is provided with the bent plate chain.
The cross-sectional plane of described semicircumference track is a box-shaped, corresponding semicircumference track is provided with two groups of press nips at least on the track bracket, corresponding semicircumference track box-shaped outer wall on four sides is provided with pinch roller on every group of press nips, and each pinch roller respectively with the box-type outer wall rolling touch of semicircumference track, the arc length direction of described semicircumference track lateral wall is provided with the bent plate chain.
The center circle arc dia of described semicircumference track is the 800-1500 millimeter, and the angle of center circular arc is 180 °-220 °.
Described car body is provided with the ground connection pedestal.
Described elevator adopts shear-type elevator.
Described lifting table is provided with the telescopic boom rotation platform, be fixed with HM Hydraulic Motor on the lifting table, there is gear to be meshed on the hydraulic motor output shaft with gear ring on the telescopic boom rotation platform, the fixed arm fulcrum of insulation telescopic boom is hinged on the telescopic boom rotation platform, and the cylinder seat that a straight line oil cylinder is arranged is hinged on the telescopic boom rotation platform, and the flexible end of straight line oil cylinder is hinged on the fixed arm arm body away from insulation telescopic boom fulcrum.
The invention has the beneficial effects as follows:
1. the present invention overcomes the shortcoming and defect that existing insulation of electrical installation pollution clean-up technology exists, the altitude temperature difference effect of dry ice blasting, big impulsive force and miniature explosion effect have been made full use of, improved scrubbing efficient, dry ice particles is non-abrasive, dry ice is directly volatilization in charged cleaning process, do not clear up the expense of purging medium, avoided the influence of secondary pollution adjacent electrical equipment.Dry ice cleaning is not damaged apparatus insulated, can not form mechanical damage, can carry out online charged cleaning, has avoided the accidental injury in the equipment disassembly process, prolongs the service life of insulation of electrical installation greatly.
2. can carry out online charged cleaning, save a large amount of power off times, need not increase labour power and other production facilitiess, improve cleaning efficiency.Dry ice is a kind of innocuous substance, meets the Environmental Safety requirement of country.Clean with Dry ice cleaning instead of chemical material, make operating personal can fundamentally avoid the infringement of chemical substance.Because the cleaning process of dry ice is different with the high pressure water cleaning, after the Dry ice cleaning, the possibility that the equipment metal parts gets rusty is cleaned to compare also with water and is reduced greatly, guarantees safe, the normal operation of electric system.
3. by manually realizing the automated washing operation on ground, can guarantee enough insulation distances during charged cleaning, shower nozzle can not cause the decline or the short circuit of insulating power to the cleaning that is cleaned thing, has realized efficient, safe hot line work.Also be convenient to realize in the cleaning process omnidistance video monitoring, cleaning process degree of automation height.
4. compact conformation of the present invention, bigger to the containing area that is cleaned thing, clean distance and adjustable positions, the degree of freedom height does not have the dead angle of cleaning substantially, is not subjected to the restriction of environmental conditions substantially, and one time cleaning surface is big, and the cleaning quality height is easy to operate, scrubbing efficient height.Be particularly suitable for the washing and cleaning operation of vertically arranged cylindrical equipment such as insulator or sleeve pipe.Can be used as the high-efficiency cleaning equipment of safe electrical production, guarantee electric power supply, have good social benefit and economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of the automatic track nozzle component 1 of dry ice particles among the present invention;
Fig. 3 is the scheme of installation of air motor 1-1 among the present invention;
Fig. 4 is a kind of structural representation of semicircumference track 1-7 among the present invention;
Fig. 5 is the structural representation of middle orbit carriage 1-5 of the present invention;
Fig. 6 is the structural representation that shower nozzle 1-8 installs among the present invention;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the control electrical schematic diagram of cleaning Vehicle upper controller 5 of the present invention.
Among the figure: the automatic track nozzle component 1 of dry ice particles, air motor 1-1, troffer 1-2, sprocket wheel 1-3, press nips 1-4, track bracket 1-5, bent plate chain 1-6, semicircumference track 1-7, shower nozzle 1-8, oscillating cylinder 1-9, cylinder 1-10, bolt group 1-11, bracket bolt group 1-12, cylinder base 1-13, guiderail base 1-14, preceding line slideway 1-15, back line slideway 1-16, former rail slide 1-17, rear rail slide 1-18, base plate 1-19, knock hole 1-20, bayonet lock bearing 1-21, bayonet lock 1-22, insulation telescopic boom 2, lifting table 3, telescopic boom rotation platform 3-1, HM Hydraulic Motor 3-2, straight line oil cylinder 3-3, dry ice feedway 4, dry ice is carried isolated pipe 4-1, control setup 5, ground connection pedestal 6, shear-type elevator 7, car body 8, main supply switch QS1, combined switch QS2, QS3, QS4, QS5, QS6, QS7, oscillating cylinder electromagnetic valve AEV1, cylinder solenoid valve AEV2, air motor electromagnetic valve AEV3, bay-lift electromagnetic valve OEV1, insulation arm pitching electromagnetic valve OEV2, insulation arm rotating electromagnetic valve OEV3.
The specific embodiment
The present invention is described in further detail below in conjunction with description of drawings and the specific embodiment:
Referring to Fig. 1-Fig. 7, the dry ice cleaning vehicle of electrical apparatus external insulation of the present invention, comprise the automatic track nozzle component 1 of dry ice particles, insulation telescopic boom 2, lifting table 3, dry ice feedway 4, control setup 5 and car body 8, dry ice feedway 4 is fixed on the car body 8, the automatic track nozzle component 1 of described dry ice particles is installed in the flexible end of insulation telescopic boom 2, insulation telescopic boom 2 is connected with lifting table 3 through telescopic boom rotation platform 3-1, telescopic boom rotation platform 3-1 is by HM Hydraulic Motor 3-2 driven in rotation, lifting table 3 is installed in the upper end of elevator 7, the lower end of elevator 7 links to each other with the car body of dry ice cleaning vehicle 8, adjusts the height of elevator 7 by stretching of hydraulic actuating cylinder, realizes the lifting of lifting table 3 with this.Described dry ice feedway 4 and control setup 5 are fixed on the car body 8, and control setup 5 control dry ice feedways are carried dry ice particles, and dry ice particles carries isolated pipe 4-1 to enter into the shower nozzle 1-8 of the automatic track nozzle component 1 of dry ice particles by dry ice.Be fixed with elevator 7 on the described car body 8, the top of elevator 7 is provided with lifting table 3, lifting table 3 is provided with insulation telescopic boom 2, the flexible end of insulation telescopic boom 2 is connected with the automatic track nozzle component 1 of dry ice particles, dry ice conveying isolated pipe 4-1 on the described dry ice feedway 4 is connected with the shower nozzle 1-8 on the automatic track nozzle component 1 of dry ice particles: in conjunction with Fig. 2-Fig. 5, the automatic track nozzle component 1 of described dry ice particles comprises air motor 1-1, troffer 1-2, sprocket wheel 1-3, press nips 1-4, track bracket 1-5, bent plate chain 1-6, semicircumference track 1-7, shower nozzle 1-8, the notch horizontal arrangement of described troffer 1-2, captive joint with the flexible end of insulation telescopic boom 2 in the outside of troffer 1-2 bottom land side, described air motor 1-1 is fixed on troffer 1-2 through bolt group 1-11 and goes up on the outer wall of frid, be fixed with track bracket 1-5 through bracket bolt group 1-12 on the inwall of described troffer 1-2, track bracket 1-5 goes up corresponding semicircumference track 1-7 and is provided with press nips 1-4, press nips 1-4 goes up corresponding semicircumference track 1-7 and is provided with pinch roller, the rail level rolling touch of pinch roller and semicircumference track 1-7, the two ends of semicircumference track 1-7 all are equipped with shower nozzle 1-8, the mouth of described air motor 1-1 stretches in the inwall of the last frid of troffer 1-2, and the mouth at air motor 1-1 is fixed with sprocket wheel 1-3, the arc length direction of described semicircumference track 1-7 lateral wall is provided with bent plate chain 1-6, and described sprocket wheel 1-3 is meshed with bent plate chain 1-6.Bent plate chain 1-6 makes the square edge of bending with the carrier bar of standard roller chain side, and square edge is provided with mounting hole, bent plate chain 1-6 attaching can be fixed on the lateral wall of semicircumference track 1-7 with bolt, and guarantee that drive semicircumference track 1-7 rotates when meshing with sprocket wheel 1-3.This type of drive also can be used gear and arc-shaped rack ingear type of drive instead, promptly the mouth at air motor 1-1 is fixed with gear, the arc length direction of semicircumference track 1-7 lateral wall is provided with arc-shaped rack, gear is meshed with arc-shaped rack, can drives semicircumference track 1-7 equally and rotate together.But arc-shaped rack processing is trouble relatively, and is also higher relatively to the requirement of accuracy of mesh.Each press nips 1-4 is pressed on semicircumference track 1-7 in the groove of track bracket 1-5, simultaneously semicircumference track 1-7 is held up, and has guaranteed between semicircumference track 1-7 and the track bracket 1-5 to be friction of rolling with this.
In conjunction with Fig. 2, Fig. 6, Fig. 7, described shower nozzle 1-8 is fixed on the output shaft of oscillating cylinder 1-9, oscillating cylinder 1-9 drive shower nozzle 1-8 finishes and faces upward the motion of bowing, the flexible end of oscillating cylinder 1-9 and cylinder 1-10 all is fixed on the air cylinder base 1-13, air cylinder base 1-13 is fixed on the preceding line slideway 1-15, preceding line slideway 1-15 and former rail slide 1-17 bearing fit, the cylinder seat of former rail slide 1-17 and cylinder 1-10 all is fixed on the guiderail base 1-14, the flexible end of cylinder 1-10 promote air cylinder base 1-13 and before line slideway 1-15 slide before and after on former rail slide 1-17, with the spout of adjusting shower nozzle 1-8 be cleaned distance between the thing.Guiderail base 1-14 is fixed on the line slideway 1-16 of back, back line slideway 1-16 parallels with preceding line slideway 1-15, back line slideway 1-16 and rear rail slide 1-18 bearing fit, guiderail base 1-14 is fixed on the line slideway 1-16 of back, rear rail slide 1-18 is captiveed joint with semicircumference track 1-7 through base plate 1-19, line slideway 1-16's vertically evenly is provided with a registration hole 1-20 behind the plate body upper edge of described guiderail base 1-14, described base plate 1-19 goes up corresponding knock hole 20 and is provided with bayonet lock bearing 1-21, bayonet lock bearing 1-21 is provided with bayonet lock 1-22, and bayonet lock 1-22 is connected with knock hole 1-20 plug-in card.Back line slideway 1-16 is sliding position on rear rail slide 1-18, determined the radial distance of guiderail base 1-14 to semicircumference track 1-7 center, also determined oscillating cylinder 1-9 and cylinder 1-10 radial distance to semicircumference track 1-7 center, difference plug-in card by bayonet lock 1-22 and each knock hole 1-20, can further adjust and control the spout of shower nozzle 1-8 and be cleaned initial distance between the thing, simultaneously can adjust and control the distance between the two shower nozzle 1-8, so that from outside containing external insulation equipment such as insulator.Oscillating cylinder 1-9 and cylinder 1-10 drive shower nozzle 1-8 and carry out circumference, radially and face upward the motion of bowing, wherein oscillating cylinder 1-9 drive shower nozzle 1-8 finishes and faces upward the motion of bowing, cylinder 1-10 drives shower nozzle and finishes radial motion, adopts two shower nozzle 1-8 just can effectively the dry ice particles that sprays be ejected into any part that is cleaned the thing surface like this.
In conjunction with Fig. 2, Fig. 4, the cross-sectional plane of described semicircumference track 1-7 can be I-shape, the flange of rail that track bracket 1-5 goes up corresponding semicircumference track 1-7 is provided with two groups of press nips 1-4 at least, the upper and lower faces of every group of last corresponding semicircumference track 1-7 flange of rail of press nips 1-4 is provided with pinch roller, and each pinch roller respectively with the upper and lower faces rolling touch of the semicircumference track 1-7 flange of rail, the arc length direction of described semicircumference track 1-7 web of the rail outer wall is provided with bent plate chain 1-6.
The cross-sectional plane of described semicircumference track 1-7 also can be box-shaped, what track bracket 1-5 went up corresponding semicircumference track 1-7 is provided with two groups of press nips 1-4 at least, every group of press nips 1-4 goes up corresponding semicircumference track 1-7 box-shaped outer wall on four sides and is provided with pinch roller, and each pinch roller respectively with the box-type outer wall rolling touch of semicircumference track 1-7, the arc length direction of described semicircumference track 1-7 lateral wall is provided with bent plate chain 1-6.
Described semicircumference track 1-7 is the semi arch hatch frame, and the center circle arc dia of semicircumference track 1-7 is the 800-1500 millimeter, and the angle of center circular arc is 180 °-220 °.Can the insulator and the sleeve pipe of various diameters be cleaned.
Lifting table 3 bottoms fixed installations elevator 7, the bottom of elevator 7 are fixed on movably on the car body 8, and the elevator 7 described in Fig. 1 adopts shear-type elevators.Adopt shear-type elevator 7 can guarantee the operation stability and the alerting ability of lifting table in range, its vertical lift altitude range is a 2-10 rice.But elevator 7 also can adopt other forms of elevator.Described lifting table 3 is provided with telescopic boom rotation platform 3-1, be fixed with HM Hydraulic Motor 3-2 on the lifting table 3, there is gear to be meshed on the output shaft of HM Hydraulic Motor 3-2 with gear ring on the telescopic boom rotation platform 3-1, the fixed arm fulcrum of insulation telescopic boom 2 is hinged on telescopic boom rotation platform 3-1, and the cylinder seat that a straight line oil cylinder 3-3 is arranged is hinged on the telescopic boom rotation platform 3-1, and the flexible end of straight line oil cylinder 3-3 is hinged on the fixed arm arm body away from insulation telescopic boom 2 fulcrums.The similar of insulation telescopic boom 2 is in the linear telescopic oil cylinder, and the fixed arm of insulation telescopic boom 2 is equivalent to one section of cylinder body on the linear telescopic oil cylinder.Like this, the insulation telescopic boom of installing on the lifting table 32 can be done 360 ° of rotations in flat surface, and the collapsing length of insulation telescopic boom 2 can change between 2-6 rice, satisfies the ground insulation requirement of 500kV system.Hydraulic actuating cylinder by the telescopic boom root makes insulation telescopic boom 2 make 0-60 ° of elevational movement at the lifting table vertical surface simultaneously, makes perpendicular movement with the dry ice particles nozzle component 1 that drives the isolated pipe end along being cleaned thing.Insulation telescopic boom 2 adopts hydraulic pressure or mechanical actuation device, the length of insulation telescopic boom 2 is changed in 2-6m, insulation telescopic boom 2 can carry out High-Voltage Insulation to be handled, and satisfies the insulating requirements of 500kV transmission system operating voltage to guarantee the maximum electric insulating intensity between lifting table 3 and the dry ice particles nozzle component 1.Also be provided with feed apparatuss such as oil pump, fuel tank on the lifting table 3, and by pipeline to HM Hydraulic Motor 3-2 fuel feeding.
Can take the insulating of electric measurement of high pressure measure between dry ice particles nozzle component 1 and the dry ice feedway 4, be cleaned the high potential of insulating surface, be implemented in the washing and cleaning operation under the charged situation in order to isolation.Meanwhile described car body 8 is provided with ground connection pedestal 6.Ground connection pedestal 6 can be the washing system safety ground.
The operating process of cleaning machine of the present invention is as follows:
1. determine lifting table 3 lift heights according to the height that is cleaned thing (as insulator or sleeve pipe).
2. stretch out insulation telescopic boom 2 by control handle, nozzle component 1 is contained clean thing.
3. according to the difference that is cleaned thing size (as insulator or casing diameter), start the extended distance of adjusting two shower nozzle 1-8 on the nozzle component 1, and make cylinder 1-10 arrive the appointment cleaning positions, start the horizontal cleaning positions that the oscillating cylinder 1-9 that adjusts on the nozzle component 1 arrives appointment.
4. start air motor 1-1 and make semicircumference track 1-7 make circular movement, whether observation path of motion satisfies to be cleaned the equidistance motion requirement that thing is the center.
5. open dry ice feedway 4, adjust output pressure and reach the nominal operation state, open cleaning switch and begin to clean.
6. air motor 1-1 drives two shower nozzle 1-8 along circular movement once, the circumferential surface that is cleaned thing is cleaned one time, then oscillating cylinder 1-9 makes 45 ° of two shower nozzle 1-8 nutations, and air motor 1-1 drives two shower nozzle 1-8 and once cleans one time along circular movement.
7. the control lifting table moves down a slice full skirt height, repeats for the 6th step, and then oscillating cylinder 1-9 makes two shower nozzles face upward 45 °, and air motor 1-1 drives two shower nozzle 1-8 along circular movement once, and the circumferential surface that is cleaned next section of thing is cleaned one time.
8 repeat work by the 7th step, up to all full skirts clean finish after, close source of the gas, regain insulation telescopic boom 2, reduce lifting table 3, finish once charged washing and cleaning operation.
Referring to Fig. 7, the control process of control setup 5 of the present invention is as follows: main supply switch QS1 closes, Air compressor in the dry ice feedway 4, drier, dry ice cleaner, the hydraulic efficiency pressure system electrical power, this moment, direct supply converted the alternating current of 220V to the direct current (DC) of 24V, the station of each electromagnetic valve in controlled hydraulic system and the pneumatic system.The combined switch QS2-QS7 that closes respectively is with the action of control corresponding solenoid valve.
During lifting table 3 risings, the coil blackout of bay-lift electromagnetic valve OEV1, the work of position, a left side, hydraulic oil enters oil cylinder through governor valve, lifting table 3 upward movements, the ascending velocity of regulating the opening adjustment bay-lift 3 of governor valve by joystick; When lifting table 3 descends, the coil electricity of bay-lift electromagnetic valve OEV1, the work of position, the right side, hydraulic oil enters oil cylinder through governor valve, and lifting table 3 is descended, and regulates the descending speed of the opening adjustment lifting table 3 of governor valve by joystick.
After lifting table 3 arrives control position, the coil blackout of insulation arm rotating electromagnetic valve OEV3, the work of position, a left side, hydraulic oil enters HM Hydraulic Motor through governor valve, make flexible insulation arm 2 make circular movement, regulate by joystick governor valve the flexible insulation arm 2 of opening adjustment rotative speed and stop; During contrarotation, the coil electricity of insulation arm rotating electromagnetic valve OEV3, the work of right position, hydraulic oil enters HM Hydraulic Motor through governor valve, makes flexible insulation arm 2 contrarotations, regulate by joystick governor valve the flexible insulation arm 2 of opening adjustment rotative speed and stop.
After the angle of flexible insulation arm 2 aligns, the coil blackout of insulation arm pitching electromagnetic valve OEV2, the work of position, a left side, hydraulic oil enters oil cylinder through governor valve, the insulation arm upward movement, reach certain elevation angle, regulate the opening of governor valve again by joystick, to adjust the kinematic velocity of flexible insulation arm 2 pitching; When flexible insulation arm 2 descends, the coil electricity of insulation arm pitching electromagnetic valve OEV2, the work of right position, hydraulic oil enters oil cylinder through governor valve, and flexible insulation arm 2 moves downward, and regulates the kinematic velocity of flexible insulation arm 2 pitching of opening adjustment of governor valve by joystick.
Shower nozzle 1-8 arrives after the cleaning positions, the coil blackout of oscillating cylinder electromagnetic valve AEV1, the work of position, a left side, gas enters radially air motor and faces upward the air motor of bowing through governor valve, oblique following 45 ° of shower nozzle 1-8 spray angle, gas supply system is made of Air compressor, storage tank, filter, dryer etc. provides pressed gas to enter dry ice cleaner, dry ice is sprayed to through spray gun 1-8 be cleaned thing such as insulator and sleeve pipe, cleans the upper surface that is cleaned thing; The coil electricity of oscillating cylinder electromagnetic valve AEV1, the work of right position, 45 ° obliquely of shower nozzle 1-8 spray angles clean the lower surface that is cleaned thing.
The coil blackout of air motor electromagnetic valve AEV3, the work of position, a left side, gas enters air motor 1-1 through governor valve, through after the deceleration of drop-gear box, the torque of air motor 1-1 output shaft transmits power on the bent plate chain 1-6 that is fixed on the troffer 1-2 by sprocket wheel 1-3, drive troffer 1-2 around the axis rotation that is cleaned thing, thereby make shower nozzle 1-8 around the axis rotation that is cleaned thing, behind the shower nozzle 1-8 Rotate 180 °, the touching lever of promotion machine control valve, make the right position work of machine control valve, air motor 1-1 quits work; Station of hoisting system decline, the coil electricity of air motor electromagnetic valve AEV3, the work of right position, air motor 1-1 contrarotation makes 180 ° of shower nozzle 1-8 contrarotations, finishes the cleaning of second cleaning unit.
When clean other diameters be cleaned thing the time, the coil blackout of cylinder solenoid valve AEV2, the work of position, a left side, gas enters cylinder 1-10 through governor valve, drives shower nozzle 1-8 along the radial motion that is cleaned the thing surface, adjusts the distance of spout and surface to be cleaned.
Claims (8)
1. the dry ice cleaning vehicle of electrical apparatus external insulation, comprise car body (8) and be fixed on dry ice feedway (4) on the car body (8), it is characterized in that: be fixed with elevator (7) on the described car body (8), the top of elevator (7) is provided with lifting table (3), lifting table (3) is provided with insulation telescopic boom (2), the flexible end of insulation telescopic boom (2) is connected with the automatic track nozzle component of dry ice particles (1), and the dry ice conveying isolated pipe (4-1) on the described dry ice feedway (4) is connected with the shower nozzle (1-8) on the automatic track nozzle component of dry ice particles (1);
The automatic track nozzle component of described dry ice particles (1) comprises air motor (1-1), troffer (1-2), press nips (1-4), track bracket (1-5), semicircumference track (1-7), shower nozzle (1-8), the notch horizontal arrangement of described troffer (1-2), captive joint with the flexible end of insulation telescopic boom (2) in the outside of troffer (1-2) bottom land side, described air motor (1-1) is fixed on troffer (1-2) through bolt group (1-11) and goes up on the outer wall of frid, be fixed with track bracket (1-5) through bracket bolt group (1-12) on the inwall of described troffer (1-2), track bracket (1-5) is gone up corresponding semicircumference track (1-7) and is provided with press nips (1-4), press nips (1-4) goes up corresponding semicircumference track (1-7) and is provided with pinch roller, the rail level rolling touch of pinch roller and semicircumference track (1-7), the two ends of semicircumference track (1-7) all are equipped with shower nozzle (1-8), the mouth of described air motor (1-1) stretches into troffer (1-2) and goes up in the inwall of frid, and the mouth at air motor (1-1) is fixed with sprocket wheel (1-3) or gear, the arc length direction of described semicircumference track (1-7) lateral wall is provided with bent plate chain (1-6) or arc-shaped rack, described sprocket wheel (1-3) is meshed with bent plate chain (1-6), and perhaps described gear is meshed with arc-shaped rack.
2. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1, it is characterized in that: described shower nozzle (1-8) is fixed on the output shaft of oscillating cylinder (1-9), oscillating cylinder (1-9) all is fixed on the air cylinder base (1-13) with the flexible end of cylinder (1-10), air cylinder base (1-13) is fixed on the preceding line slideway (1-15), preceding line slideway (1-15) and former rail slide (1-17) bearing fit, the cylinder seat of former rail slide (1-17) and cylinder (1-10) all is fixed on the guiderail base (1-14), guiderail base (1-14) is fixed on the back line slideway (1-16), back line slideway (1-16) parallels with preceding line slideway (1-15), back line slideway (1-16) and rear rail slide (1-18) bearing fit, the rear rail slide (captive joint with semicircumference track (1-7) through base plate (1-19) by (1-18), line slideway (1-16) vertically evenly is provided with a registration hole (1-20) behind the plate body upper edge of described guiderail base (1-14), described base plate (1-19) is gone up corresponding knock hole (1-20) and is provided with bayonet lock bearing (1-21), bayonet lock bearing (1-21) is provided with bayonet lock (1-22), and bayonet lock (1-22) is connected with knock hole (1-20) plug-in card.
3. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1, it is characterized in that: the cross-sectional plane of described semicircumference track (1-7) is an I-shape, the flange of rail that track bracket (1-5) is gone up corresponding semicircumference track (1-7) is provided with two groups of press nips (1-4) at least, on last corresponding semicircumference track (1-7) flange of rail of every group of press nips (1-4), following two sides is provided with pinch roller, and each pinch roller respectively with semicircumference track (1-7) flange of rail on, following two sides rolling touch, the arc length direction of described semicircumference track (1-7) web of the rail outer wall is provided with bent plate chain (1-6).
4. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1, it is characterized in that: the cross-sectional plane of described semicircumference track (1-7) is a box-shaped, what track bracket (1-5) was gone up corresponding semicircumference track (1-7) is provided with two groups of press nips (1-4) at least, the outer wall that every group of press nips (1-4) goes up corresponding semicircumference track (1-7) box-shaped four sides is provided with pinch roller, and each pinch roller respectively with the box-type outer wall rolling touch of semicircumference track (1-7), the arc length direction of described semicircumference track (1-7) lateral wall is provided with bent plate chain (1-6).
5. according to the dry ice cleaning vehicle of claim 1 or 3 or 4 described electrical apparatus external insulations, it is characterized in that: the center circle arc dia of described semicircumference track (1-7) is the 800-1500 millimeter, and the angle of center circular arc is 180 °-220 °.
6. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1, it is characterized in that: described car body (8) is provided with ground connection pedestal (6).
7. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1 is characterized in that: described elevator (7) employing shear-type elevator.
8. the dry ice cleaning vehicle of electrical apparatus external insulation according to claim 1, it is characterized in that: described lifting table (3) is provided with telescopic boom rotation platform (3-1), be fixed with HM Hydraulic Motor (3-2) on the lifting table (3), there is gear to be meshed on the output shaft of HM Hydraulic Motor (3-2) with gear ring on the telescopic boom rotation platform (3-1), the fixed arm fulcrum of insulation telescopic boom (2) is hinged on telescopic boom rotation platform (3-1), and the cylinder seat that a straight line oil cylinder (3-3) is arranged is hinged on the telescopic boom rotation platform (3-1), and the flexible end of straight line oil cylinder (3-3) is hinged on the fixed arm arm body away from insulation telescopic boom (2) fulcrum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102217290A CN101716904B (en) | 2009-11-06 | 2009-11-06 | Dry ice cleaning vehicle of electrical equipment external insulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102217290A CN101716904B (en) | 2009-11-06 | 2009-11-06 | Dry ice cleaning vehicle of electrical equipment external insulation |
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| Publication Number | Publication Date |
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| CN101716904A true CN101716904A (en) | 2010-06-02 |
| CN101716904B CN101716904B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102217290A Active CN101716904B (en) | 2009-11-06 | 2009-11-06 | Dry ice cleaning vehicle of electrical equipment external insulation |
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