CN114130568A - Transformer substation insulator spraying device and construction method thereof - Google Patents
Transformer substation insulator spraying device and construction method thereof Download PDFInfo
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- CN114130568A CN114130568A CN202111278742.7A CN202111278742A CN114130568A CN 114130568 A CN114130568 A CN 114130568A CN 202111278742 A CN202111278742 A CN 202111278742A CN 114130568 A CN114130568 A CN 114130568A
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- pipe
- spraying
- insulator
- sprayed
- gas
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- 238000005507 spraying Methods 0.000 title claims abstract description 194
- 239000012212 insulator Substances 0.000 title claims abstract description 136
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 19
- 239000003973 paint Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/70—Arrangements for moving spray heads automatically to or from the working position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Abstract
The invention discloses a transformer substation insulator spraying device and a construction method thereof, the transformer substation insulator spraying device comprises a base and two spraying gun heads, wherein a lifting platform is arranged on the base, a guide post and a hydraulic telescopic cylinder are arranged between the base and the lifting platform, a support rod is arranged on the upper end surface of the lifting platform, a connecting seat is arranged at one end of the support rod, which is far away from the lifting platform, a driving motor is arranged on the connecting seat, an output shaft of the driving motor extends into the connecting seat and is connected with the connecting shaft in the connecting seat, the other end of the connecting shaft extends out of the connecting seat and is connected with a rotating disc, a connecting rod is arranged at one end of the rotating disc, which is far away from the connecting seat, a spraying gun head is arranged at one end of the connecting rod, which is far away from the rotating disc, the two spraying gun heads respectively comprise a spraying pipe and a spraying nozzle, the spraying pipe is an arc-shaped spraying pipe, and the opening direction of the spraying pipe faces to an insulator to be sprayed, and spraying nozzles are uniformly distributed on one side of the spraying pipe facing the insulator. The invention can save labor force, accelerate the spraying process and improve the working efficiency.
Description
Technical Field
The invention relates to a spraying device and a construction method thereof, in particular to a transformer substation insulator spraying device and a construction method thereof.
Background
The RTV spraying of post insulators in the transformer substation is a method for improving the hydrophobicity of insulators by spraying RTV coatings on the surfaces of post insulators in the transformer substation, and is an effective and necessary antifouling means, the insulators in the transformer substation work outdoors for a long time, the surfaces of the insulators are polluted, and the insulators are exposed to the wind for a long time, the RTV coatings on the surfaces of the insulators can be peeled off, pollution flashover accidents can be caused, and the insulators in the transformer substation are regularly cleaned and sprayed with the antifouling flashover coatings, so that the insulator insulation level is kept, the pollution flashover accidents are prevented, an effective means for ensuring the operation of a power grid is provided, in the prior art, the insulators in the transformer substation are mostly cleaned and sprayed manually, time and labor are wasted, if the same insulator has multiple places needing spraying, the same insulator needs to be sprayed manually, the labor intensity is high, and the efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the transformer substation insulator spraying device and the construction method thereof overcome the defects of the prior art, do not need manual spraying, and reduce the labor amount.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides a transformer substation insulator spraying device, includes base and spraying rifle head, the base top is provided with lift platform, the base with be provided with guide post and hydraulic telescoping cylinder between the lift platform, on the base with the corresponding position department of guide post is provided with flexible groove, the upper end in flexible groove is provided with the guide cylinder that stretches out the base upper surface, the guide post sets up in the guide cylinder, and with guide cylinder sliding connection.
The up end of guide cylinder with lift platform's lower terminal surface is connected, hydraulic telescoping cylinder sets up on the up end of base, hydraulic telescoping cylinder last hydraulic telescoping cylinder with lift platform's lower terminal surface is connected, the guide cylinder with the guide post is used for the direction and decomposes the power of slope, hydraulic telescoping cylinder is used for lift platform is straight down supports flexible, the inside balancing weight that still is provided with of base makes the integrated device focus fall on the base, still be provided with the wheel of conveniently walking on the lower terminal surface of base.
The lifting platform is characterized in that a supporting rod is arranged on the upper end face of the lifting platform, one end of the supporting rod, which is far away from the lifting platform, is bent towards one side of the base, a connecting seat is arranged at the bent end, a driving motor is arranged on the upper end face of the connecting seat, an output shaft of the driving motor extends into the connecting seat, the connecting seat is connected with a connecting shaft, and the other end of the connecting shaft extends out of the lower end face of the connecting seat and then is vertically connected with the central point of the upper end face of the rotating disc.
The rotating disc is provided with bilaterally symmetrical slideways which are symmetrical about the connecting shaft, the slideways penetrate through the upper end and the lower end of the rotating disc, the upper end face of the rotating disc is provided with tracks which are positioned on the left side and the right side of the slideways,
the slide block comprises a slide block and a first connecting block, sliding wheels are arranged on the front side and the rear side of the lower end face of the slide block, the sliding wheels slide on the track, the first connecting block is arranged on the lower end face of the slide block and can slide back and forth in the slide, the lower end face of the first connecting block extends out of the lower end face of the slide, the lower end face of the first connecting block is connected with the connecting rod, and one end, far away from the first connecting block, of the connecting rod is provided with the spraying gun head.
And telescopic cylinders are arranged on the two slideways and positioned on the edge sides of the rotating disc, telescopic rods on the telescopic cylinders are connected with the side surfaces of the first connecting blocks, and the telescopic cylinders are connected with a three-position five-way electromagnetic valve.
The lower end face of the first connecting block is provided with an upper connecting groove, and the upper connecting groove is provided with an upper bolt hole used for being connected with the upper end of the connecting rod.
The spraying gun comprises two spraying gun heads, wherein each spraying gun head comprises a spraying pipe and a spraying nozzle, the spraying pipes are arc-shaped, the opening directions of the spraying pipes face to insulators needing spraying, the spraying nozzles are uniformly distributed on one sides of the spraying pipes, which face to the insulators, and a second connecting block and a liquid inlet which are used for being connected with the connecting rod are arranged on one side, which is far away from the spraying nozzles, of the spraying pipes.
The upper end face of the second connecting block is provided with a lower connecting groove, and the lower connecting groove is provided with a lower bolt hole used for being connected with the lower end of the connecting rod.
The connecting rod can be disassembled and replaced, and the length of the connecting rod is matched with the height of the insulator to be sprayed.
The upper end of connecting rod with go up spread groove phase-match, and be provided with go up bolt hole assorted first bolt hole, utilize the bolt to pass go up the bolt hole with first bolt hole will the upper end of connecting rod with first connecting block is connected.
The lower extreme of connecting rod with spread groove phase-match down, and be provided with bolt hole assorted second bolt hole down utilizes other bolt to pass bolt hole down with the second bolt hole will the lower extreme of connecting rod with the second connecting block is connected.
Still be provided with air compressor on the lift platform and be used for storing the storage section of thick bamboo of spraying material, be provided with in the storage section of thick bamboo and be used for the stirring the (mixing) shaft of coating is in with coating stirring in the agitator, through the conveying pipeline transportation storage case of coating with stirring through the force pump, be provided with the first ooff valve that control coating carried on the conveying pipeline.
The air compressor is provided with a main gas pipe, one end of the main gas pipe, which is far away from the air compressor, is respectively connected with a gas-liquid mixing pipe and a discharge pipe through a first three-way pipe, the other end of the discharge pipe is connected with an outlet of the material storage box, the discharge pipe is provided with a second switch valve, the gas-liquid mixing pipe is provided with a one-way valve for preventing gas-liquid backflow, the other end of the gas-liquid mixing pipe is respectively connected with a first branch delivery pipe and a second branch delivery pipe through a second three-way pipe, the first branch delivery pipe is provided with a first three-way electromagnetic valve, one end of the output end of the first three-way electromagnetic valve is connected with the gas inlet end of one of the two three-way five-way electromagnetic valves through a first soft through pipe, and the other end of the output end of the first three-way electromagnetic valve is connected with the gas inlet end of one of the two three-way five-way electromagnetic valves through a second soft through pipe, and a second three-way electromagnetic valve is arranged on the second branch conveying pipe, one end of the output end of the second three-way electromagnetic valve is connected with the air inlet end of the other three-position five-way electromagnetic valve in the two three-position five-way electromagnetic valves through a third soft through pipe, and the other end of the output end of the second three-way electromagnetic valve is connected with the liquid inlet end of the other three-position five-way electromagnetic valve in the two spraying pipes through a fourth soft through pipe.
The two spraying gun heads can be respectively arranged on two sides of the insulator to be sprayed by utilizing the cooperation of the second distance sensor and the camera.
The first three-way electromagnetic valve, the second three-way electromagnetic valve, the three-position five-way electromagnetic valve, the first switch valve, the second switch valve, the one-way valve, the first distance sensor, the second distance sensor, the camera and the driving motor are all connected with the controller, and the controller is further connected with a display and an alarm.
A construction method of a transformer substation insulator spraying device comprises the following steps:
s1: the transformer substation insulator spraying device is transported to a preset position on one side of an insulator to be sprayed by wheels, and the base is fixed by a brake;
s2: selecting the connecting rod matched with the insulator according to the height of the insulator to be sprayed, and connecting the connecting rod with the first connecting block and the second connecting block;
the height of the connecting rod is more than or equal to that of the insulator to be sprayed;
s3: the lifting platform is lifted according to the height of the insulator to be sprayed, and the height of the spraying gun head, which is the lowest height of the lifting platform, is equal to the top of the insulator to be sprayed;
s4: turning on a power switch on a controller, enabling all electrical components connected with the controller to work normally, and respectively arranging the two spraying gun heads on two sides of the insulator to be sprayed through the recorded video of the camera and the detection data of the second distance sensor displayed on a display;
s5: determining the widest diameter and the narrowest radius of the insulator according to the information of the insulator to be sprayed, and adjusting the distance between two spraying gun heads and the insulator according to the widest diameter and the narrowest radius of the insulator;
the specific adjusting method comprises the following steps: distance data d between two spraying gun heads transmitted by the two first distance sensors and the insulator to be sprayed and the widest radius r of the insulator to be sprayed1And the narrowest radius r of the insulator to be sprayed2Compared with the prior art, if the distance data d between the two spraying gun heads and the insulator to be sprayed meet the following requirements: s-r1≤d≤s-r2Then debugging is not needed; if the distance data d between one of the spraying gun heads and the insulator to be sprayed does not satisfy the following conditions: s-r1≤d≤s-r2Then, the air cylinder on the corresponding rotating disc 13 on the spraying gun head is used for driving the sliding block to debug to the left or the right of the slideway, so that the sliding block meets the requirement of s-r1≤d≤s-r2(ii) a If the distance data d between the two spraying gun heads and the insulator to be sprayed are not satisfied: s-r1≤d≤s-r2Then, the cylinders on the rotating discs 13 corresponding to the two spraying gun heads are used for driving the corresponding sliding blocks to be debugged to the left or the right of the slide way, so that the sliding blocks meet s-r requirements1≤d≤s-r2(ii) a Wherein s is the effective spraying distance between the spraying gun head and the insulator to be sprayed;
s6: after the adjustment is finished, the controller is utilized to close the second switch valve, open the one-way valve, rotate the first three-way electromagnetic valve and the second three-way electromagnetic valve to conduct the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe, the second soft through pipe and the fourth soft through pipe, open the switch of the air compressor to enable one path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe and the second soft through pipe reach the spraying nozzle on one spraying pipe, the other path of compressed air sequentially passes through the main gas pipe, the gas-liquid mixing pipe, the second branch conveying pipe and the fourth soft through pipe to reach the spraying nozzle on the other spraying pipe, the spraying nozzles on the two spraying pipes use the compressed air to blow and clean the insulator to be sprayed, and the hydraulic telescopic cylinder drives the whole body to move downwards during cleaning; after the purging is finished, the air compressor is closed, and the movement of the hydraulic telescopic cylinder is suspended;
s7: after cleaning is finished, on the basis of S6, a first switch valve on a material conveying pipe is opened, a pressure pump is utilized to convey the uniformly stirred paint to a material storage box through the material conveying pipe, a second switch valve is opened to enable a main gas pipe, a material discharging pipe, a gas-liquid mixing pipe, a first branch conveying pipe, a second soft through pipe and a fourth soft through pipe to be communicated, an air compressor switch is opened to enable one path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe and the second soft through pipe to reach the spraying nozzle on one spraying pipe, the other path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the second branch conveying pipe and the fourth soft through pipe to reach the spraying nozzle on the other spraying pipe, the compressed air forms negative pressure above the material discharging pipe, and the paint in the material storage box is sucked out through the material discharging pipe under the action of the negative pressure, then the compressed gas is conveyed into the gas-liquid mixing pipes and reaches the spraying nozzles on the two spraying pipes to be sprayed, the hydraulic telescopic cylinder drives the whole body to move upwards until the compressed gas is sprayed to the top of the insulator during spraying, and after the spraying is finished, the air compressor is turned off, and the movement of the hydraulic telescopic cylinder is suspended;
s8: if the two spraying gun heads cannot perform circumferential spraying on the insulator to be sprayed at one time, the direction of the rotating disc is adjusted by using the driving motor, so that the two spraying gun heads are aligned to the positions, which are not sprayed, on the insulator to be sprayed, and the actions of S6-S7 are repeated to clean and spray the insulator;
s9: after S8, if the insulator to be sprayed still cannot be completely sprayed circumferentially, repeating the action of S8 until the whole insulator is sprayed circumferentially.
The specific method for utilizing the air cylinder on the spraying gun head to drive the sliding block to be debugged to the left or the right of the slide way comprises the following steps:
closing a second switch valve by using a controller, opening a one-way valve, rotating a first three-way electromagnetic valve and a second three-way electromagnetic valve to enable a main gas pipe, a gas-liquid mixing pipe, a first branch conveying pipe, a second branch conveying pipe, a first soft through pipe and a third soft through pipe to be communicated, opening an air compressor switch to enable one path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe and the first soft through pipe to reach the gas inlet end of one of the three-position five-way electromagnetic valves, enabling the other path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the second branch conveying pipe and the third soft through pipe to reach the gas inlet end of the other three-position five-way electromagnetic valve, controlling the gas inlet time and the action of the three-position five-way electromagnetic valve by using the controller, thereby controlling the extension or the shortening of a telescopic rod on the telescopic cylinder, after the telescopic rod reaches a predetermined position, and powering off the telescopic cylinder to fix the telescopic amount of the telescopic rod.
Because the telescopic link is connected first connecting block the flexible in-process of telescopic link, first connecting block is also along with flexible, has just also realized telescopic cylinder drives the slider to the left side or the right slip debugging of slide.
The invention has the following positive beneficial effects:
1. according to the invention, two arc-shaped spraying pipes are arranged, the two arc-shaped spraying pipes are combined together to form a circle, if the outer diameter of the insulator to be sprayed is smaller than the diameter of the two arc-shaped spraying pipes which are combined together, the whole insulator can be effectively sprayed by the two arc-shaped pipes at one time, multiple spraying is not needed, the spraying time is saved, and the working efficiency is improved.
If the outer diameter of the insulator to be sprayed is larger than the diameter of the two arc-shaped spraying pipes which are combined together, after the two arc-shaped pipes are utilized to effectively spray the whole insulator for the first time, the controller is utilized to control the rotation angle of the driving motor, so that the two spraying gun heads are aligned to the positions, which are not sprayed, on the insulator to be sprayed, and the spraying work which is the same as the preorder can be carried out, the manual rotation of the spraying angle is not needed, the manual spraying is also not needed, the labor force is saved, and the labor amount is reduced.
2. Before spraying, the surface of the insulator can be cleaned powerfully by utilizing compressed air through the spraying nozzle, so that the later-stage spraying of the coating is facilitated, the hydrophobicity of the insulator is improved, the insulation level of the insulator is kept, pollution flashover accidents are prevented, and the safe operation of a power grid is ensured.
3. The connecting rod is detachably connected with the first connecting block and the second connecting block, and when insulators with different heights are used, the connecting rod with different lengths only needs to be replaced, so that the connecting rod is convenient to detach and assemble.
Drawings
Fig. 1 is a schematic structural diagram of a transformer substation insulator spraying device according to the present invention;
FIG. 2 is a schematic view of the construction of the rotary disk of FIG. 1;
FIG. 3 is a schematic view of the connection between the sliding block and the connecting rod of FIG. 2;
FIG. 4 is a schematic structural view 1 of the connecting rod of FIG. 3;
FIG. 5 is a schematic structural view 2 of the connecting rod of FIG. 3;
FIG. 6 is a schematic structural view of the spray gun head of FIG. 1;
fig. 7 is a block diagram of the electrical connections on the controller of the present invention.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the specific embodiments:
referring to fig. 1, 2, 3, 4, 5, 6 and 7, in which: 1-base, 2-spray gun head, 2-1-spray pipe, 2-2-spray nozzle, 3-lifting platform, 4-guide column, 5-hydraulic telescopic cylinder, 6-telescopic groove, 7-guide cylinder, 8-wheel, 9-support rod, 10-connecting seat, 11-driving motor, 12-connecting shaft, 13-rotating disc, 14-slideway, 15-rail, 16-sliding block, 17-first connecting block, 18-sliding wheel, 19-connecting rod, 20-telescopic cylinder, 21-upper bolt hole, 22-second connecting block, 23-liquid inlet, 24-lower connecting groove, 25-first bolt hole, 26-second bolt hole, 27-air compressor, 28-material conveying pipe, 29-a material storage tank, 30-a total gas conveying pipe, 31-a first switch valve, 32-a second switch valve, 33-a material discharging pipe, 34-a gas-liquid mixing pipe, 35-a first branch conveying pipe, 36-a second branch conveying pipe, 37-a first three-way electromagnetic valve, 38-a first soft through pipe, 39-a second soft through pipe, 40-a second three-way electromagnetic valve, 41-a third soft through pipe, 42-a fourth soft through pipe, 43-a first distance sensor, 44-a second distance sensor, 45-a camera, 46-a first three-way pipe, 47-a second three-way pipe and 48-a one-way valve.
Example 1: the utility model provides a transformer substation insulator spraying device, includes base 1 and spraying rifle head 2, and base 1 top is provided with lift platform 3, is provided with guide post 4 and hydraulic telescoping cylinder 5 between base 1 and the lift platform 3, is provided with flexible groove 6 with 4 corresponding position departments of guide post on the base 1, and the upper end in flexible groove 6 is provided with the guide cylinder 7 that stretches out 1 upper surface of base, and guide post 4 sets up in guide cylinder 7, and with 7 sliding connection of guide cylinder.
The up end of guide cylinder 7 is connected with the lower terminal surface of lift platform 3, hydraulic telescoping cylinder 5 sets up on the up end of base 1, hydraulic telescoping cylinder 5 is last hydraulic telescoping rod is connected with the lower terminal surface of lift platform 3, guide cylinder 7 and guide post 4 are used for the direction and decompose the power of slope, hydraulic telescoping cylinder 5 is used for supporting of lift platform 3 straight-up and down and stretches out and draws back, the inside balancing weight that still is provided with of base 1 makes the integrated device focus fall on base 1, still be provided with the wheel 8 that makes things convenient for the walking on the lower terminal surface of base 1.
The upper end face of the lifting platform 3 is provided with a supporting rod 9, one end of the supporting rod 9, which is far away from the lifting platform 3, is bent towards one side of the base 1, a connecting seat 10 is arranged at the bent end, a driving motor 11 is arranged on the upper end face of the connecting seat 10, an output shaft of the driving motor 11 extends into the connecting seat 10 and is connected with a connecting shaft 12 in the connecting seat 10, and the other end of the connecting shaft 12 is perpendicularly connected with the central point of the upper end face of the rotating disc 13 after extending out of the lower end face of the connecting seat 10.
The rotating disc 13 is provided with bilaterally symmetrical slideways 14 which are symmetrical about the connecting shaft 12, the slideways 14 penetrate through the upper end and the lower end of the rotating disc 13, and the upper end face of the rotating disc 13 is provided with tracks 15 which are positioned on the left side and the right side of the slideways 14.
The slider includes gliding block 16 and first connecting block 17, both sides all are provided with movable pulley 18 around the lower terminal surface of gliding block 16, the movable pulley slides on track 15, first connecting block 17 sets up on the lower terminal surface of gliding block 16, and first connecting block 17 can make a round trip to slide in slide 14, the lower terminal surface of first connecting block 17 stretches out the lower terminal surface of slide 14, and the lower terminal surface of first connecting block 17 is connected with connecting rod 19, the one end of keeping away from first connecting block 17 on the connecting rod 19 is provided with spraying rifle head 2.
The telescopic cylinders 20 are arranged on the two slideways 14 and located on the edge sides of the rotating disc 13, telescopic rods on the telescopic cylinders 20 are connected with the side faces of the first connecting blocks 17, and the telescopic cylinders 20 are connected with the three-position five-way electromagnetic valve.
An upper connecting groove is formed in the lower end face of the first connecting block 17, and an upper bolt hole 21 used for being connected with the upper end of the connecting rod 19 is formed in the upper connecting groove.
The number of the spraying gun heads 2 is two, each spraying gun head 2 comprises a spraying pipe 2-1 and a spraying nozzle 2-2, each spraying pipe 2-1 is an arc-shaped spraying pipe 2-1, the opening direction of each spraying pipe 2-1 faces to an insulator to be sprayed, the spraying nozzles 2-2 are uniformly distributed on one side, facing the insulator, of each spraying pipe 2-1, and a second connecting block 22 and a liquid inlet 23, which are used for being connected with the connecting rod 19, are arranged on one side, away from the spraying nozzles 2-2, of each spraying pipe 2-1.
A lower connecting groove 24 is arranged on the upper end surface of the second connecting block 22, and a lower bolt hole for connecting with the lower end of the connecting rod 19 is arranged on the lower connecting groove 24.
The connecting rod 19 is removable and replaceable, the length of the connecting rod 19 being the same as the height of the insulator to be painted.
The upper end of the connecting rod 19 and the upper connecting groove are connected to the first connecting block 17 by passing bolts through the upper bolt holes and the first bolt holes 25.
The lower end of the connecting rod 19 and the lower connecting groove 24 are connected to the lower end of the connecting rod 19 and the second connecting block 22 by means of additional bolts passing through the lower bolt holes and the second bolt holes 26.
The lifting platform is further provided with an air compressor 27 and a storage barrel (not shown) for storing the spray paint, a stirring shaft for stirring the paint is arranged in the storage barrel, the stirring shaft uniformly stirs the paint in the stirring barrel, the paint uniformly stirred is transported to a storage box 29 through a delivery pipe 28 by a pressure pump, and a first switch valve 31 for controlling the paint to be conveyed is arranged on the delivery pipe 28.
A main gas pipe 30 is arranged on the air compressor 27, one end of the main gas pipe 30 far away from the air compressor 27 is respectively connected with a gas-liquid mixing pipe 34 and a discharge pipe 33 through a first three-way pipe 46, the other end of the discharge pipe 33 is connected with an outlet of the material storage tank 29, a second switch valve 32 is arranged on the discharge pipe 33, a one-way valve 48 for preventing gas-liquid backflow is arranged on the gas-liquid mixing pipe 34, the other end of the gas-liquid mixing pipe 34 is respectively connected with a first branch delivery pipe 35 and a second branch delivery pipe 36 through a second three-way pipe 47, a first three-way electromagnetic valve 37 is arranged on the first branch delivery pipe 35, one end of the output end of the first three-way electromagnetic valve 37 is connected with the gas inlet end of one three-position five-way electromagnetic valve of the two three-position five-way electromagnetic valves through a first soft pipe 38, and the other end is connected with the liquid inlet of one of the two spraying pipes through a second soft pipe 39, the second branch conveying pipe 36 is provided with a second three-way electromagnetic valve 40, one end of the output end of the second three-way electromagnetic valve 40 is connected with the air inlet end of the other three-position five-way electromagnetic valve of the two three-position five-way electromagnetic valves through a third soft through pipe 41, and the other end of the output end of the second three-way electromagnetic valve is connected with the liquid inlet of the other spraying pipe of the two spraying pipes through a fourth soft through pipe 42.
The upper end surfaces of the two spraying pipes 2-1 are respectively provided with a first distance sensor 43 facing the insulator to be sprayed, the first distance sensors 43 detect the distance between the two spraying pipes 2-1 and the outer wall of the insulator to be sprayed, the center of the lower end surface of the rotating disc 13 is provided with a second distance sensor 44 which faces vertically downwards, the lower end surface of the rotating disc 13 close to the inner side of the connecting rod 19 is provided with a camera 45, the second distance sensors 44 detect the distance between the rotating disc and the top of the insulator to be sprayed, the camera 45 is used for displaying the distance between the two spraying pipes 2-1 and the outer wall of the insulator to be sprayed, and the two spraying gun heads 2 can be respectively arranged at two sides of the insulator to be sprayed by utilizing the matching of the second distance sensors 44 and the camera 45.
The first distance sensor 43 and the second distance sensor 44 each employ a laser displacement sensor.
The first three-way electromagnetic valve 37, the second three-way electromagnetic valve 40, the three-position five-way electromagnetic valve, the first switch valve 31, the second switch valve 32, the one-way valve 48, the first distance sensor 43, the second distance sensor 44, the camera 45 and the driving motor 11 are all connected with a controller, and the controller is further connected with a display and an alarm.
During operation, the matched connecting rod 19 is replaced according to the height of the insulator, the height of the spraying pipe 2-1 is adjusted by the aid of the hydraulic telescopic cylinder 5, the spraying gun head 2 is the lowest height of the spraying pipe 2-1 when the spraying gun head is flush with the top of the insulator to be sprayed, the range of the spraying pipe 2-1 on the circumference of the insulator is adjusted by the controller, after the spraying pipe 2-1 is adjusted, the insulator is cleaned by compressed air firstly, then the compressed air is used for driving paint to spray the insulator, and if the diameter of the insulator is too large, the controller is used for controlling the rotation angle of the driving motor 11 to spray the insulator in multiple angles.
Example 2: the construction method by using the transformer substation insulator spraying device comprises the following steps:
s1: the transformer substation insulator spraying device is transported to a preset position on one side of an insulator to be sprayed by wheels 8, and the base 1 is fixed by a brake;
s2: selecting a connecting rod 19 matched with the height of the insulator according to the height of the insulator to be sprayed, and connecting the connecting rod 19 with the first connecting block 17 and the second connecting block 22;
the height of the connecting rod 19 is more than or equal to the height of the insulator to be sprayed;
s3: the lifting platform 3 is lifted according to the height of the insulator to be sprayed, and the spraying gun head 2 is flush with the top of the insulator to be sprayed and is the lowest height of the lifting platform 3;
s4: turning on a power switch on the controller, enabling all electrical components connected with the controller to work normally, and respectively arranging the two spraying gun heads 2 on two sides of the insulator to be sprayed through recorded videos of a camera 45 and detection data of a second distance sensor 44 displayed on a display;
s5: determining the widest diameter and the narrowest radius of the insulator according to the information of the insulator to be sprayed, and adjusting the distance between two spraying gun heads and the insulator according to the widest diameter and the narrowest radius of the insulator;
the specific adjusting method comprises the following steps: distance data d between the two spraying gun heads transmitted by the two first distance sensors and the insulator to be sprayed and the widest radius r of the insulator to be sprayed are compared1And the narrowest radius r of the insulator to be painted2Compared with the prior art, if the distance data d between the two spraying gun heads and the insulator to be sprayed meet the following requirements: s-r1≤d≤s-r2Then debugging is not needed; if the distance data d between one of the spraying gun heads and the insulator to be sprayed does not satisfy the following conditions: s-r1≤d≤s-r2Then, the air cylinder on the corresponding rotating disk 13 on the spraying gun head is used for driving the sliding block to debug to the left or the right of the slideway, so that the requirement of s-r is met1≤d≤s-r2(ii) a If the distance data d between the two spraying gun heads and the insulator to be sprayed are not satisfied: s-r1≤d≤s-r2Then, the telescopic cylinders on the rotating discs 13 corresponding to the two spraying gun heads respectively are used for driving the corresponding slide blocks to debug to the left or the right of the slide way, so that the slide blocks meet s-r requirements1≤d≤s-r2(ii) a Wherein s is the effective spraying distance between the spraying gun head 2 and the insulator to be sprayed;
s6: after the adjustment is finished, the controller is used for closing the second switch valve 32, opening the one-way valve 48, rotating the first three-way electromagnetic valve 37 and the second three-way electromagnetic valve 40 to enable the main gas pipe 30, the gas-liquid mixing pipe 34, the first branch conveying pipe 35, the second branch conveying pipe 36, the second soft through pipe 39 and the fourth soft through pipe 42 to be communicated, opening the switch of the air compressor 27 to enable one path of compressed air to sequentially pass through the main gas pipe 30, the gas-liquid mixing pipe 34, the first branch conveying pipe 35 and the second soft through pipe 39 to reach the spraying nozzle 2-2 on one spraying pipe 2-1, enabling the other path of compressed air to sequentially pass through the main gas pipe 30, the gas-liquid mixing pipe 34, the second branch conveying pipe 36 and the fourth soft through pipe 42 to reach the spraying nozzle 2-2 on the other spraying pipe 2-1, and enabling the spraying nozzles 2-2 on the two spraying pipes 2-1 to be blown and cleaned by the compressed air, when cleaning, the hydraulic telescopic cylinder 5 drives the whole body to move downwards; after the purging is finished, the air compressor 27 is closed, and the movement of the hydraulic telescopic cylinder 5 is suspended;
s7: after cleaning is finished, on the basis of S6, the first switch valve 31 on the delivery pipe 28 is opened, the uniformly stirred paint is conveyed to the storage tank 29 through the delivery pipe 28 by using a pressure pump, the second switch valve 32 is opened, the main delivery pipe 30, the discharge pipe 33, the gas-liquid mixing pipe 34, the first branch delivery pipe 35, the second branch delivery pipe 36, the second soft through pipe 39 and the fourth soft through pipe 42 are communicated, the air compressor 27 is opened and closed, one path of compressed air passes through the main delivery pipe 30, the gas-liquid mixing pipe 34, the first branch delivery pipe 35 and the second soft through pipe 39 in sequence and reaches the spraying nozzle 2-2 on one spraying pipe 2-1, the other path of compressed air passes through the main delivery pipe 30, the gas-liquid mixing pipe 34, the second branch delivery pipe 36 and the fourth soft through pipe 42 and reaches the spraying nozzle 2-2 on the other spraying pipe 2-1 in sequence, the compressed air forms negative pressure above the discharge pipe 33, under the action of the negative pressure, the paint in the storage box 29 is sucked out through the discharge pipe 33 and then conveyed into the gas-liquid mixing pipe 34 to reach the spraying nozzles 2-2 on the two spraying pipes 2-1 along with the compressed air for spraying, the whole is driven by the hydraulic telescopic cylinder 5 to move upwards until the paint is sprayed to the top of the insulator, after the spraying is finished, the air compressor 27 is closed, and the movement of the hydraulic telescopic cylinder 5 is suspended;
s8: if the two spraying gun heads 2 cannot perform circumferential spraying on the insulator to be sprayed at one time, the driving motor 11 is used for adjusting the direction of the rotating disc 13, so that the two spraying gun heads 2 are aligned to the positions, which are not sprayed, on the insulator to be sprayed, and the actions of S6-S7 are repeated to clean and spray the insulator;
s9: after S8, if the insulator to be sprayed still cannot be completely sprayed circumferentially, repeating the action of S8 until the whole insulator is sprayed circumferentially.
The concrete method for debugging the slide block to the left or the right of the slide way by utilizing the air cylinder on the spraying gun head comprises the following steps:
the controller is used for closing the second switch valve 32, opening the one-way valve 48, rotating the first three-way electromagnetic valve 37 and the second three-way electromagnetic valve 40 to enable the main gas pipe 30, the gas-liquid mixing pipe 34, the first branch gas pipe 35, the second branch gas pipe 36, the first soft through pipe 38 and the third soft through pipe 41 to be conducted, opening the switch of the air compressor 27 to enable one path of compressed air to sequentially pass through the main gas pipe 30, the gas-liquid mixing pipe 34, the first branch gas pipe 35 and the first soft through pipe 38 to reach the gas inlet end of one three-position five-way electromagnetic valve, enabling the other path of compressed air to sequentially pass through the main gas pipe 30, the gas-liquid mixing pipe 34, the second branch gas pipe 36 and the third soft through pipe 41 to reach the gas inlet end of the other three-position five-way electromagnetic valve, and controlling the gas inlet time and action of the three-position five-way electromagnetic valve by using the controller, thereby controlling the extension or shortening of the telescopic rod on the telescopic cylinder, after the telescopic link reaches the predetermined position, cut off the power supply to telescopic cylinder, the flexible volume of fixed telescopic link.
Because the first connecting block is connected to the telescopic link, at the flexible in-process of telescopic link, first connecting block is also along with flexible, has just also realized that telescopic cylinder drives the slider and slides the debugging to the left side or the right of slide.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (9)
1. The utility model provides a transformer substation's insulator spraying device, includes base and spraying gun head, characterized by: the spraying gun is characterized in that a lifting platform is arranged on the base, a guide column and a hydraulic telescopic cylinder are arranged between the base and the lifting platform, a support rod is arranged on the upper end face of the lifting platform, a connecting seat is arranged at one end, far away from the lifting platform, of the support rod, a driving motor is arranged on the connecting seat, an output shaft of the driving motor extends into the connecting seat and is connected with the connecting seat, the other end of the connecting seat extends out of the connecting seat and then is connected with a rotating disc, a connecting rod is arranged at one end, far away from the connecting seat, of the rotating disc, and a spraying gun head is arranged at one end, far away from the rotating disc, of the connecting rod.
2. The transformer substation insulator spraying device according to claim 1, characterized in that: the rotary disc is provided with bilaterally symmetrical slideways which are symmetrical about the connecting shaft, each slideway is provided with a sliding block, the lower end of each sliding block is connected with the connecting rod, and one end of each connecting rod, which is far away from the corresponding sliding block, is provided with the spraying gun heads.
3. The substation insulator spraying device according to claim 2, characterized in that: the slide runs through the upper and lower both ends of rolling disc, be located on the rolling disc up end the left and right sides of slide all is provided with the track, the slider includes gliding piece and first link block, both sides all are provided with the movable pulley before the lower terminal surface of gliding piece, the movable pulley is in slide on the track, first link block sets up on the lower terminal surface of gliding piece, just first link block can make a round trip to slide in the slide, two be located on the slide the rolling disc edge side is provided with telescopic cylinder, telescopic cylinder last telescopic link with first link block is connected, telescopic cylinder is connected with tribit five-way solenoid valve.
4. A substation insulator spraying device according to claim 3, characterized in that: the spraying gun comprises two spraying gun heads, wherein each spraying gun head comprises a spraying pipe and a spraying nozzle, the spraying pipes are arc-shaped, the opening directions of the spraying pipes face to insulators needing spraying, the spraying nozzles are uniformly distributed on one sides of the spraying pipes, which face to the insulators, and a second connecting block and a liquid inlet which are used for being connected with the connecting rod are arranged on one side, which is far away from the spraying nozzles, of the spraying pipes.
5. The substation insulator spraying device according to claim 4, wherein: the lifting platform is also provided with an air compressor and a storage barrel for storing spray paint, the storage barrel is connected with a storage box through a conveying pipe, and the conveying pipe is provided with a first switch valve for controlling the conveying of the paint; the air compressor is provided with a main gas pipe, one end of the main gas pipe, which is far away from the air compressor, is respectively connected with a gas-liquid mixing pipe and a discharge pipe through a first three-way pipe, the other end of the discharge pipe is connected with an outlet of the material storage box, the discharge pipe is provided with a second switch valve, the gas-liquid mixing pipe is provided with a one-way valve for preventing gas-liquid backflow, the other end of the gas-liquid mixing pipe is respectively connected with a first branch delivery pipe and a second branch delivery pipe through a second three-way pipe, the first branch delivery pipe is provided with a first three-way electromagnetic valve, one end of the output end of the first three-way electromagnetic valve is connected with the gas inlet end of one of the two three-way five-way electromagnetic valves through a first soft through pipe, and the other end of the output end of the first three-way electromagnetic valve is connected with the gas inlet end of one of the two three-way five-way electromagnetic valves through a second soft through pipe, and a second three-way electromagnetic valve is arranged on the second branch conveying pipe, one end of the output end of the second three-way electromagnetic valve is connected with the air inlet end of the other three-position five-way electromagnetic valve in the two three-position five-way electromagnetic valves through a third soft through pipe, and the other end of the output end of the second three-way electromagnetic valve is connected with the liquid inlet end of the other three-position five-way electromagnetic valve in the two spraying pipes through a fourth soft through pipe.
6. The substation insulator spraying device according to claim 5, wherein: the upper end faces of the two spraying pipes are provided with first distance sensors facing the insulator to be sprayed, the center of the lower end face of the rotating disc is provided with a second distance sensor which faces downwards vertically, and a camera is arranged on the lower end face of the rotating disc close to the inner side of the connecting rod.
7. The substation insulator spraying device according to claim 6, wherein: the first three-way electromagnetic valve, the second three-way electromagnetic valve, the three-position five-way electromagnetic valve, the first switch valve, the second switch valve, the one-way valve, the first distance sensor, the second distance sensor, the camera and the driving motor are all connected with the controller, and the controller is further connected with a display and an alarm.
8. The substation insulator spraying device according to claim 7, wherein: the connecting rod can be disassembled and replaced, and the length of the connecting rod is matched with the height of the insulator to be sprayed.
9. A construction method using the substation insulator spraying device of any one of claims 1 to 8, comprising the steps of:
s1: the transformer substation insulator spraying device is transported to a preset position on one side of an insulator to be sprayed by wheels, and the base is fixed by a brake;
s2: selecting the connecting rod matched with the insulator according to the height of the insulator to be sprayed, and connecting the connecting rod with the first connecting block and the second connecting block;
s3: the lifting platform is lifted according to the height of the insulator to be sprayed, and the height of the spraying gun head, which is the lowest height of the lifting platform, is equal to the top of the insulator to be sprayed;
s4: turning on a power switch on a controller, enabling all electrical components connected with the controller to work normally, and respectively arranging the two spraying gun heads on two sides of the insulator to be sprayed through the recorded video of the camera and the detection data of the second distance sensor displayed on a display;
s5: determining the widest diameter r of the insulator according to the information of the insulator to be sprayed1And the narrowest radius r2According to its widest diameter r1And the narrowest radius r2Adjusting the distance d between the two spraying gun heads and the insulator by the effective spraying distance s between the spraying gun heads and the insulator to be sprayed, so that the distances from the spraying gun heads to the outer wall of the insulator are consistent;
s6: after the adjustment is finished, the controller is utilized to close the second switch valve, open the one-way valve, rotate the first three-way electromagnetic valve and the second three-way electromagnetic valve to conduct the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe, the second soft through pipe and the fourth soft through pipe, open the switch of the air compressor to enable one path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe and the second soft through pipe reach the spraying nozzle on one spraying pipe, the other path of compressed air sequentially passes through the main gas pipe, the gas-liquid mixing pipe, the second branch conveying pipe and the fourth soft through pipe to reach the spraying nozzle on the other spraying pipe, the spraying nozzles on the two spraying pipes use the compressed air to blow and clean the insulator to be sprayed, and the hydraulic telescopic cylinder drives the whole body to move downwards during cleaning; after the purging is finished, the air compressor is closed, and the movement of the hydraulic telescopic cylinder is suspended;
s7: after cleaning is finished, on the basis of S6, a first switch valve on a material conveying pipe is opened, a pressure pump is utilized to convey the uniformly stirred paint to a material storage box through the material conveying pipe, a second switch valve is opened to enable a main gas pipe, a material discharging pipe, a gas-liquid mixing pipe, a first branch conveying pipe, a second soft through pipe and a fourth soft through pipe to be communicated, an air compressor switch is opened to enable one path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the first branch conveying pipe and the second soft through pipe to reach the spraying nozzle on one spraying pipe, the other path of compressed air to sequentially pass through the main gas pipe, the gas-liquid mixing pipe, the second branch conveying pipe and the fourth soft through pipe to reach the spraying nozzle on the other spraying pipe, the compressed air forms negative pressure above the material discharging pipe, and the paint in the material storage box is sucked out through the material discharging pipe under the action of the negative pressure, then the compressed gas is conveyed into the gas-liquid mixing pipes and reaches the spraying nozzles on the two spraying pipes to be sprayed, the hydraulic telescopic cylinder drives the whole body to move upwards until the compressed gas is sprayed to the top of the insulator during spraying, and after the spraying is finished, the air compressor is turned off, and the movement of the hydraulic telescopic cylinder is suspended;
s8: if the two spraying gun heads cannot perform circumferential spraying on the insulator to be sprayed at one time, the direction of the rotating disc is adjusted by using the driving motor, so that the two spraying gun heads are aligned to the positions, which are not sprayed, on the insulator to be sprayed, and the actions of S6-S7 are repeated to clean and spray the insulator;
s9: after S8, if the insulator to be sprayed still cannot be completely sprayed circumferentially, repeating the action of S8 until the whole insulator is sprayed circumferentially.
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