CN212759314U

CN212759314U - DN80 intelligent anti-corrosion joint coating machine in pipeline

Info

Publication number: CN212759314U
Application number: CN202020802951.1U
Authority: CN
Inventors: 赵提先
Original assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Current assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-03-23
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to an intelligence joint coating technical field in the small-bore pipeline is anticorrosive intelligent joint coating machine in DN80 pipeline, and it includes bed plate, walking wheel, spraying device, one-piece type pump box of coating, electrically controlled device and advancing drive arrangement, and the walking wheel is including following driving wheel and drive wheel. The utility model has the advantages of reasonable and compact structure, high durability and convenient use, its electrically controlled device can control the proportion that coating one-piece type pump box fed coating according to A, B component coating's workbin spraying volume in the pipe inner chamber temperature automatically regulated pump box, make coating intensive mixing stirring, carry out centrifugal atomization spraying by spraying device again, thereby the high-efficient cleaning of polishing of rust cleaning to the weld bead of accomplishing under guaranteeing application quality prerequisite, the repaired mouth location, operation such as coating spraying repaired mouth, the difficult problem of anticorrosive repaired mouth in the pipeline of DN 80-DN 100mm specification scope has effectively been solved, degree of automation is high, light in weight, the power consumable is little, small, easy operation's characteristics.

Description

DN80 intelligent anti-corrosion joint coating machine in pipeline

Technical Field

The utility model relates to an intelligence joint coating technical field in the small-bore pipeline is anticorrosive intelligent joint coating machine in DN80 pipeline.

Background

At present, the control of corrosion prevention of the inner surface of a pipeline is the same as the control of corrosion prevention of the outer surface of the pipeline, and the control needs to be carried out by two steps of single prefabrication and on-site joint coating. With the progress of the technology of solvent-free paint and the like in China, in the corrosion prevention in the pipeline, the product quality in the single prefabrication stage can basically meet the corrosion resistance requirements of various conveying medium conditions, and the prefabrication production also realizes the industrial automatic operation; however, the on-site internal corrosion prevention joint coating process still has some defects and imperfect places at present, and even becomes a bottleneck of the development of the pipeline internal corrosion prevention market in severe cases. The anticorrosion repaired mouth in the pipeline is the key and difficult point of the anticorrosion application technology in the pipeline, especially for the small-bore pipeline such as DN 80. The coating at the welding seam is damaged early due to improper patching (such as manual patching), and the accidents of corrosion and perforation of the pipeline are frequent. Therefore, the protection effect and the service life of the protective layer in the whole pipeline are directly influenced by the quality of the anticorrosion joint coating technology in the pipeline.

With the continuous progress of the technology of the anticorrosion repaired mouth in the pipeline, the anticorrosion repaired mouth machine in the pipeline in China at present forms a series, the anticorrosion repaired mouth machine in the pipeline with the diameter more than DN150 is developed and successfully put into use in the fields of Daqing, Shengli oil field and the like, and then other companies in China also simulate and develop the anticorrosion repaired mouth machine in the pipeline with the diameter less than DN150 in different specifications in a breaking way and apply the anticorrosion repaired mouth machine in the internal anticorrosion repaired mouth construction of the pipeline installation construction site successively, wherein the anticorrosion repaired mouth machine in the pipeline with the small diameter in the range of DN 80-DN 100 specification carries out the anticorrosion repaired mouth operation in the steel pipeline welded mouth (the operation contents comprise the confirmation of the welded mouth, the internal derusting and cleaning of the welded mouth, the coating spraying, the leak point detection and the endoscopic inspection).

The existing pipeline internal anticorrosion joint sealing machine for small-caliber pipelines such as DN80 and the like generally has the following defects: 1. the joint coating machine has overlarge self weight and serious power self-consumption, can not overcome resistance to smoothly walk and complete operation when climbing in a long pipeline and on an ascending slope, has insufficient power when performing rust removal and cleaning processes in a pipeline welding port, and has lower working efficiency; 2. the coating is greatly influenced by the ambient temperature, and the atomization effect of the spraying operation is extremely poor at the ambient temperature of about 11 ℃, so that the coating is uneven in thickness, the sagging defect occurs, and the coating process quality cannot be guaranteed. 3. The monitoring picture on the monitoring device outside the pipe is fuzzy and unclear, and is doped with strong stripe interference, so that the positioning is difficult, and time and labor are wasted.

Disclosure of Invention

An object of the utility model is to provide an anticorrosive intelligent linking machine in DN80 pipeline has overcome above-mentioned prior art not enough, and it can effectively solve the power that anticorrosive linking machine exists in the pipeline of current DN 80-DN 100 specification scope not enough, the work efficiency is lower, the spraying atomization effect is poor under the low temperature, the location is difficult, waste time and energy the problem.

The purpose of the utility model is realized like this: an intelligent anticorrosion mouth patching machine in DN80 pipeline comprises a base plate, a traveling wheel, a spraying device, a coating integrated pump box, an electric control device and an advancing drive device, wherein the traveling wheel comprises a driven wheel and a driving wheel, the driven wheel is respectively arranged on the left side and the right side of the front lower end of the base plate, the driving wheel is respectively arranged on the left side and the right side of the rear lower end of the base plate, the spraying device is arranged at the upper end of the front part of the base plate, the spraying rotary cup is arranged at the front end of the spraying device, a wide-angle camera is fixedly arranged at the upper end of a shell of the spraying device, the coating integrated pump box is arranged on the base plate at the rear part of the spraying device, the electric control device is arranged on the base plate at the rear part of the coating integrated pump box, the advancing drive device is arranged on the base plate above the driving wheel, the external cable comprises a power line and a video cable.

Further, the paint integrated pump box comprises a pump box shell, a guide rod seat, a motor sleeve, a screw nut device, a connecting rod, a push rod sleeve, a push rod, a feed box and a feed box side cover, wherein the guide rod seat with a guide rod is fixed in the pump box shell, the motor sleeve is installed on the guide rod and can slide back and forth along the guide rod, a material pushing motor and a speed reducer are arranged in the motor sleeve, an output shaft of the material pushing motor is connected with an input shaft of the speed reducer, the screw nut device is arranged on the guide rod seat and comprises a screw rod seat and a ball screw rod, the screw rod seat is fixedly installed at the end part of the guide rod seat, the middle part of the ball screw rod is installed in the screw rod seat, an output shaft of the speed reducer extends out of the motor sleeve and is connected with one end of the ball screw rod through a coupler, the other end of, the tail end of the feed box is provided with a feed box side cover, the end part of the push rod penetrates through the feed box and is connected with the feed box side cover, and the push rod and the feed box are kept sealed through a sealing ring.

Further, the electric control device comprises an electric control box body, an electric control box cover and a PCB plate component, the PCB plate component is arranged in the electric control box body and is fixed on the electric control box cover through screws, the PCB plate component comprises an automatic curing rate adjusting device, a stirring strength adjusting module, a paint film thickness adjusting module, a centrifugal atomization spraying control module, a paint pump control module, a first mechanical rough adjusting module and a second mechanical rough adjusting module, the stirring strength adjusting module, the paint film thickness adjusting module and the centrifugal atomization spraying control module are respectively and electrically connected with the automatic curing rate adjusting device, the automatic curing rate adjusting device comprises a siphon mixed flow module, a mixture temperature sensor and a pipe cavity temperature sensor, the paint pump control module comprises an A-component paint pump control module and a B-component paint pump control module, the A-component paint pump control module is electrically connected with the first mechanical rough adjusting module, the component B coating pump control module is electrically connected with the second mechanical rough adjusting module, and the first mechanical rough adjusting module and the second mechanical rough adjusting module are respectively and electrically connected with the siphon mixed flow module.

Further, the coating pump control module comprises a coating temperature sensor, a heating film, a self-constant temperature electric heating control panel, a screw pump, a pump motor driving module and an electronic proportioning fine adjustment device, the self-constant temperature electric heating control panel is respectively electrically connected with the coating temperature sensor, the heating film and the electronic proportioning fine adjustment device, the electronic proportioning fine adjustment device is electrically connected with the pump motor driving module, the pump motor driving module is connected with the screw pump, the self-constant temperature electric heating control panel comprises a refrigeration regulation and control panel and a heating regulation and control panel, the refrigeration regulation and control panel is an automatic refrigeration power regulation control panel, and the heating regulation and control panel is an automatic heating power regulation control panel.

Furthermore, the stirring intensity adjusting module is a semiconductor refrigeration stirring module with a V-shaped mixing channel, the paint film thickness adjusting module is a booster pump module with a convenient cleaning device, the A-component paint pump control module and the B-component paint pump control module are embedded pump type feed box modules with rapid heaters, the mixture temperature sensor is a thermistor type paint temperature sensor, and the pipe cavity temperature sensor is a laser type pipe body inner cavity temperature sensor.

Furthermore, the other end of external cable is connected with the control operation case, the control operation case is located the outside of treating the joint coating operation pipeline, is equipped with intelligent recognition CCD camera module in the electrically controlled device, and wide angle camera passes through the signal cable and is connected with intelligent recognition CCD camera module electricity, and intelligent recognition CCD camera module is connected with the video cable in the external cable and can output video signal.

The utility model has the advantages of reasonable and compact structure, high durability and convenient use, its electrically controlled device can control the proportion that coating one-piece type pump box fed coating according to A, B component coating's workbin spraying volume in the pipe inner chamber temperature automatically regulated pump box, make coating intensive mixing stirring, carry out centrifugal atomization spraying by spraying device again, thereby the high-efficient cleaning of polishing of rust cleaning to the weld bead of accomplishing under guaranteeing application quality prerequisite, the repaired mouth location, operation such as coating spraying repaired mouth, the difficult problem of anticorrosive repaired mouth in the pipeline of DN 80-DN 100mm specification scope has effectively been solved, degree of automation is high, light in weight, the power consumable is little, small, easy operation's characteristics.

Drawings

The specific structure of the utility model is given by the following drawings and embodiments:

FIG. 1 is a schematic structural view of the preferred embodiment of the present invention;

fig. 2 is a schematic front view of the paint-integrated pump housing of the present invention;

fig. 3 is a schematic diagram illustrating the principle of the PCB assembly of the present invention;

FIG. 4 is a schematic diagram of the principle of the paint pump control module according to the present invention;

fig. 5 is a schematic view of the working state of the preferred embodiment of the present invention.

Legend: 1 is a base plate, 2 is a spraying device, 3 is a paint integrated pump box, 4 is an electric control device, 5 is a travelling driving device, 6 is a driven wheel, 7 is a driving wheel, 8 is a spraying rotary cup, 9 is a wide-angle camera, 10 is an external cable, 11 is a guide rod seat, 12 is a motor sleeve, 13 is a connecting rod, 14 is a push rod sleeve, 15 is a push rod, 16 is a feed box, 17 is a feed box side cover, 18 is a guide rod, 19 is a pushing motor, 20 is a speed reducer, 21 is a screw rod seat, 22 is a ball screw, 23 is a coupler, 24 is a bearing seat, 25 is an automatic solidification rate adjusting device, 26 is a stirring strength adjusting module, 27 is a paint film thickness adjusting module, 28 is a centrifugal spraying control module, 29 is a first mechanical coarse adjusting module, 30 is a second mechanical coarse adjusting module, 31 is a siphon mixed flow module, 32 is a mixed material temperature sensor, 33 is a pipe cavity temperature sensor, 34 is an A-component paint pump control module, 35 is a B component coating pump control module, 36 is a coating temperature sensor, 37 is a heating film, 38 is a self-constant temperature electric heating control plate, 39 is a screw pump, 40 is a pump motor driving module, 41 is an electronic proportioning fine adjustment device, 42 is a refrigeration regulation and control plate, 43 is a heating regulation and control plate, 44 is a monitoring operation box, and 45 is a pipeline welding seam.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

Example (b): as shown in fig. 1-5, the intelligent anticorrosion mouth mending machine for pipeline in DN80 comprises a base plate 1, a traveling wheel, a spraying device 2, a paint-integrated pump box 3, an electric control device 4 and a traveling drive device 5, wherein the traveling wheel comprises a driven wheel 6 and a driving wheel 7, the driven wheel 6 is respectively arranged on the left and right sides of the front lower end of the base plate 1, the driving wheel 7 is respectively arranged on the left and right sides of the rear lower end of the base plate 1, the spraying device 2 is arranged on the upper end of the front portion of the base plate 1, a spraying rotating cup 8 is arranged at the front end of the spraying device 2, a wide-angle camera 9 is fixedly arranged at the upper end of a shell of the spraying device 2, the paint-integrated pump box 3 is arranged on the base plate 1 at the rear portion of the spraying device 2, the electric control device 4 is arranged on the base plate 1 at the rear portion, the driving motor is connected with the driving wheel 7 through a transmission, the rear end of the shell of the driving device 5 is connected with an external cable 10, and the external cable 10 comprises a power line and a video cable. Through controlling of electrically controlled device 4, coating one-piece type pump box 3 can be according to waiting the proportion that A component coating, the workbin spraying amount of B component coating fed coating in the temperature automatically regulated pump box in the operation pipeline inner chamber, make coating intensive mixing stirring, carry out centrifugal atomization spraying by spray set 2 again, thereby both guaranteed application quality and improved the efficiency of construction, wide angle camera 9 can pass through the clear stable image of video cable to outside supervisory equipment transmission, the user can be labour saving and time saving through the inside condition of wide angle camera 9 monitoring pipeline, including pipeline welding seam 45 inner wall rust cleaning and clearance situation, the spraying situation, the leak source detects and peeps inspection etc. thereby can realize the utility model discloses an accurate positioning. Through the actual test, the utility model is suitable for an ambient temperature carries out the anticorrosive joint coating operation of pipeline inner wall spraying at 5 ~ 55 ℃ within range, and the dry film thickness after once spraying reaches more than 400 microns, and film and do not have sagging, leak coating, pinhole, uneven phenomenon of thickness, can also guarantee that the index such as toughness, adhesive force, the corrosion resistance of filming accords with the quality requirement simultaneously. The utility model has the characteristics of degree of automation is high, rational in infrastructure, light in weight, power consumable is little, small, easy to operate, can easily replace the manual work to accomplish a series of operations such as the rust cleaning of crater is polished clearance, repaired mouth location, coating spraying repaired mouth freely in the pipeline, effectively solved the difficult problem of anticorrosive repaired mouth in the pipeline of DN 80-DN 100mm specification range.

As shown in fig. 2, the paint-integrated pump tank 3 includes a pump tank housing, a guide rod base 11, a motor sleeve 12, a screw nut device, a connecting rod 13, a push rod sleeve 14, a push rod 15, a bin 16 and a bin side cover 17, the pump tank housing is internally fixed with the guide rod base 11 with a guide rod 18, the motor sleeve 12 is installed on the guide rod 18 and can slide back and forth along the guide rod 18, the motor sleeve 12 is internally provided with a material pushing motor 19 and a speed reducer 20, an output shaft of the material pushing motor 19 is connected with an input shaft of the speed reducer 20, the guide rod base 11 is provided with the screw nut device, the screw nut device includes a screw base 21 and a ball screw 22, the screw base 21 is fixedly installed at the end of the guide rod base 11, the middle of the ball screw 22 is installed in the screw base 21, an output shaft of the speed reducer 20 extends out of the motor sleeve 12 and is connected with one, the end part of the connecting rod 13 is provided with a push rod sleeve 14 through a bearing seat 24, a push rod 15 is fixed inside the push rod sleeve 14, the tail end of the feed box 16 is provided with a feed box side cover 17, the end part of the push rod 15 penetrates through the feed box 16 and is connected with the feed box side cover 17, and the push rod 15 and the feed box 16 are kept sealed through a sealing ring. The pushing motor 19 can drive the ball screw 22 to move through the speed reducer 20, the ball screw 22 drives the push rod sleeve 14 and the push rod 15 to move back and forth through the connecting rod 13, and finally the side cover 17 of the material box is pushed to open, so that the coating is supplied.

As shown in fig. 3, the electric control device 4 includes an electric control box body, an electric control box cover and a PCB board assembly, the PCB board assembly is installed inside the electric control box body, the PCB board assembly is fixed on the electric control box cover through screws, the PCB board assembly includes an automatic curing rate adjusting device 25, a stirring strength adjusting module 26, a paint film thickness adjusting module 27, a centrifugal atomization spraying control module 28, a paint pump control module, a first mechanical rough adjusting module 29 and a second mechanical rough adjusting module 30, the stirring strength adjusting module 26, the paint film thickness adjusting module 27 and the centrifugal atomization spraying control module 28 are respectively electrically connected with the automatic curing rate adjusting device 25, the automatic curing rate adjusting device 25 includes a siphon mixed flow module 31, a mixed material temperature sensor 32 and a pipe cavity temperature sensor 33, the paint pump control module includes an a-component paint pump control module 34 and a B-component paint pump control module 35, the a-component paint pump control module 34 is electrically connected with the first mechanical rough adjusting module 29, the B-component paint pump control module 35 is electrically connected with the second mechanical rough adjusting module 30, and the first mechanical rough adjusting module 29 and the second mechanical rough adjusting module 30 are respectively electrically connected with the siphon mixed flow module 31. The proportion of the A component coating and the B component coating fed can be automatically adjusted according to the temperature in the pipe cavity under the control of the curing rate automatic adjusting device 25, and after the A component coating and the B component coating are uniformly mixed and stirred, the centrifugal atomization spraying is carried out by the spraying device 2. By utilizing the characteristic that the thermal reaction curing rate and the viscosity of the mixture are influenced by the external temperature, on the premise of mixing and standard preparation of the two-component coating, a spraying process scheme which can automatically adjust the refrigeration or heating energy along with the change of the environmental temperature is adopted, so that the quality defects of sagging, long curing period and the like caused by the influence of uncertain factors of field climate are solved.

As shown in fig. 4, the paint pump control module includes a paint temperature sensor 36, a heating film 37, a self-constant temperature electric heating control board 38, a screw pump 39, a pump motor driving module 40 and an electronic proportioning fine-tuning device 41, the self-constant temperature electric heating control board 38 is electrically connected to the paint temperature sensor 36, the heating film 37 and the electronic proportioning fine-tuning device 41 respectively, the electronic proportioning fine-tuning device 41 is electrically connected to the pump motor driving module 40, the pump motor driving module 40 is connected to the screw pump 39, the self-constant temperature electric heating control board 38 includes a refrigeration regulation board 42 and a heating regulation board 43, wherein the refrigeration regulation board 42 is an automatic refrigeration regulation control board, and the heating regulation board 43 is an automatic heating regulation control board. The self-constant temperature electric heating control board 38 can control the heating film 37 to generate heat, the heating film 37 is internally provided with electric heating wires and can heat the outer wall of the material box 16 in the paint integrated pump box 3, so that the paint in the material box 16 is always kept at a constant temperature in the operation process, and the heating film 37 has the advantages of small thickness, light and thin size and good conductivity.

As shown in fig. 3, the stirring intensity adjusting module 26 is a V-shaped mixing channel type semiconductor refrigeration stirring module, the paint film thickness adjusting module 27 is a booster pump module with a convenient cleaning device, the a-component paint pump control module 34 and the B-component paint pump control module 35 are embedded pump type bin modules with a fast heater, the mixture temperature sensor 32 is a thermistor type paint temperature sensor, and the lumen temperature sensor 33 is a laser type tube inner cavity temperature sensor.

As shown in fig. 1 and 5, the other end of the external cable 10 is connected with a monitoring operation box 44, the monitoring operation box 44 is located outside the pipeline to be repaired, an intelligent recognition CCD camera module is arranged in the electric control device 4, the wide-angle camera 9 is electrically connected with the intelligent recognition CCD camera module through a signal cable, and the intelligent recognition CCD camera module is connected with a video cable in the external cable 10 and can output video signals. During actual manufacturing, the man-machine interface design of the operation software of the monitoring operation box 44 is a simple and easy operation interface, operation guiding can be performed on an operator, the operator can be guided to complete the operation of the anti-corrosion repaired mouth in the pipeline in one step, operation is convenient and easy to learn, the spraying position of the repaired mouth can be automatically identified through the wide-angle camera 9 and the intelligent identification CCD camera module, and the use is more convenient.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present invention. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

The working process of the utility model is as follows: under drive arrangement 5 advances, the utility model discloses travel along treating the operation pipeline inner wall, wide angle camera 9 is through intelligent recognition CCD camera module automatic identification repaired mouth spraying position, through solidification rate automatic regulating apparatus 25's control, according to the proportion that two workbin coating amounts of intracavity temperature automatically regulated feed, after the mixing stirring is even, carries out centrifugal atomization spraying by spraying device 2 again.

Claims

1. The utility model provides a DN80 anticorrosive intelligent joint coating machine in pipeline which characterized in that: comprises a base plate, a traveling wheel, a spraying device, a paint integrated pump box, an electric control device and a traveling driving device, wherein the traveling wheel comprises a driven wheel and a driving wheel, the driven wheel is respectively arranged at the left side and the right side of the lower end of the front part of the base plate, the driving wheel is respectively arranged at the left side and the right side of the lower end of the rear part of the base plate, the spraying device is arranged at the upper end of the front part of the base plate, a spraying rotary cup is arranged at the front end of the spraying device, a wide-angle camera is fixedly arranged at the upper end of a shell of the spraying device, the paint integrated pump box, the base plate above the corresponding driving wheel is provided with an advancing driving device, the advancing driving device comprises an advancing driving motor and a transmission, the advancing driving motor is connected with the driving wheel through the transmission, the rear end of a shell of the advancing driving device is connected with an external cable, and the external cable comprises a power line and a video cable.

2. The DN80 intelligent anti-corrosion joint coating machine in pipeline according to claim 1, characterized in that: the paint integrated pump box comprises a pump box shell, a guide rod seat, a motor sleeve, a screw nut device, a connecting rod, a push rod sleeve, a push rod, a feed box and a feed box side cover, wherein the pump box shell is internally fixed with the guide rod seat with a guide rod, the motor sleeve is arranged on the guide rod and can slide back and forth along the guide rod, the motor sleeve is internally provided with a material pushing motor and a speed reducer, an output shaft of the material pushing motor is connected with an input shaft of the speed reducer, the guide rod seat is provided with the screw nut device, the screw nut device comprises a screw rod seat and a ball screw rod, the screw rod seat is fixedly arranged at the end part of the guide rod seat, the middle part of the ball screw rod is arranged in the screw rod seat, an output shaft of the speed reducer extends out of the motor sleeve and is connected with one end of the ball screw rod, the tail end of the feed box is provided with a feed box side cover, the end part of the push rod penetrates through the feed box and is connected with the feed box side cover, and the push rod and the feed box are kept sealed through a sealing ring.

3. The DN80 intelligent anti-corrosion opening sealing machine in pipeline according to claim 1 or 2, wherein: the electric control device comprises an electric control box body, an electric control box cover and a PCB plate component, wherein the PCB plate component is arranged in the electric control box body and is fixed on the electric control box cover through screws, the PCB plate component comprises an automatic curing rate adjusting device, a stirring intensity adjusting module, a paint film thickness adjusting module, a centrifugal atomization spraying control module, a paint pump control module, a first mechanical rough adjusting module and a second mechanical rough adjusting module, the stirring intensity adjusting module, the paint film thickness adjusting module and the centrifugal atomization spraying control module are respectively and electrically connected with the automatic curing rate adjusting device, the automatic curing rate adjusting device comprises a siphon mixed flow module, a mixture temperature sensor and a pipe cavity temperature sensor, the paint pump control module comprises an A-component paint pump control module and a B-component paint pump control module, the A-component paint pump control module is electrically connected with the first mechanical rough adjusting module, and the B-component paint pump control module is electrically connected with the second mechanical rough, the first mechanical rough adjusting module and the second mechanical rough adjusting module are respectively and electrically connected with the siphon mixed flow module.

4. The DN80 intelligent anti-corrosion joint coating machine in pipeline according to claim 3, characterized in that: the coating pump control module comprises a coating temperature sensor, a heating film, a self-constant temperature electric heating control panel, a screw pump, a pump motor driving module and an electronic proportioning fine adjustment device, wherein the self-constant temperature electric heating control panel is respectively electrically connected with the coating temperature sensor, the heating film and the electronic proportioning fine adjustment device, the electronic proportioning fine adjustment device is electrically connected with the pump motor driving module, the pump motor driving module is connected with the screw pump, the self-constant temperature electric heating control panel comprises a refrigeration regulation and control panel and a heating regulation and control panel, the refrigeration regulation and control panel is an automatic refrigeration power regulation control panel, and the heating regulation and control panel is an automatic heating power regulation control panel.

5. The DN80 intelligent anti-corrosion joint coating machine in pipeline according to claim 3, characterized in that: the stirring intensity adjusting module is a semiconductor refrigeration stirring module with a V-shaped mixed flow channel, the paint film thickness adjusting module is a booster pump module with a convenient cleaning device, the A-component paint pump control module and the B-component paint pump control module are embedded pump type material box modules with rapid heaters, the mixed material temperature sensor is a thermistor type paint temperature sensor, and the pipe cavity temperature sensor is a laser type pipe body inner cavity temperature sensor.

6. The DN80 intelligent anti-corrosion joint coating machine in pipeline according to claim 4, characterized in that: the stirring intensity adjusting module is a semiconductor refrigeration stirring module with a V-shaped mixed flow channel, the paint film thickness adjusting module is a booster pump module with a convenient cleaning device, the A-component paint pump control module and the B-component paint pump control module are embedded pump type material box modules with rapid heaters, the mixed material temperature sensor is a thermistor type paint temperature sensor, and the pipe cavity temperature sensor is a laser type pipe body inner cavity temperature sensor.

7. The DN80 intelligent joint coating machine for corrosion prevention in pipelines as claimed in claim 1, 2, 4, 5 or 6, wherein: the other end of external cable is connected with the control operation case, the control operation case is located the outside of treating the joint coating operation pipeline, is equipped with intelligent recognition CCD camera module in the electrically controlled device, and wide angle camera passes through the signal cable and is connected with intelligent recognition CCD camera module electricity, and intelligent recognition CCD camera module is connected and can output video signal with the video cable in the external cable.

8. The DN80 intelligent anti-corrosion joint coating machine in pipeline according to claim 3, characterized in that: the other end of external cable is connected with the control operation case, the control operation case is located the outside of treating the joint coating operation pipeline, is equipped with intelligent recognition CCD camera module in the electrically controlled device, and wide angle camera passes through the signal cable and is connected with intelligent recognition CCD camera module electricity, and intelligent recognition CCD camera module is connected and can output video signal with the video cable in the external cable.