CN214812087U

CN214812087U - Spraying device for corrosion prevention of outer layer of chemical pipeline

Info

Publication number: CN214812087U
Application number: CN202121705809.6U
Authority: CN
Inventors: 卫兵; 王玉平; 李红军; 齐建光
Original assignee: Henan Anti Corrosion And Thermal Insulation Co ltd
Current assignee: Henan Anti Corrosion And Thermal Insulation Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-11-23
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to a spraying device for chemical pipeline outer layer corrosion prevention, which comprises a chassis and a box body, wherein two sides of the box body are oppositely provided with a spraying device and a drying device, the top part in the box body is provided with a horizontal moving device, the bottom part in the box body is connected with a sliding trolley in a sliding way, the horizontal moving device is provided with a U-shaped bracket, a fourth motor is arranged in the U-shaped bracket, an output shaft of the fourth motor passes through the U-shaped bracket and then is connected with a connecting plate in a rotating way, two sides of the bottom surface of the connecting plate are provided with two electric push rods which are distributed oppositely, a first fixed disc is arranged between the push rods of the two electric push rods, the sliding trolley comprises a bottom plate and a first universal wheel, the top surface of the bottom plate is provided with an inverted U-shaped bracket, the top part of the inverted U-shaped bracket is connected with a second fixed disc in a rotating way, the top surface of the second fixed disc is provided with a fixed ring oppositely to the bottom surface of the first fixed disc, and the fixed ring comprises three fan-shaped blocks, the electromagnets are arranged at the two ends of the outer side surface of the fan-shaped block, so that the spraying completion time of the whole chemical pipeline can be shortened.

Description

Spraying device for corrosion prevention of outer layer of chemical pipeline

Technical Field

The utility model belongs to the technical field of the spraying equipment, especially, relate to a be used for outer anticorrosive spraying device of chemical pipeline.

Background

The chemical pipeline is a steel-plastic chemical pipeline, the chemical pipeline is a novel pipe which takes a welded steel pipe as a middle layer and is coated with heavy anti-corrosion epoxy resin plastics inside and outside, the welded steel pipe is a tubular structure with a hollow cavity at the center, at present, when the existing spraying device sprays anti-corrosion coatings on the outer layer of the steel pipe, in order to accelerate the curing time of the anti-corrosion coatings, the steel pipe which is sprayed is often dried by drying equipment, but because the steel pipe is tubular, the existing spraying device usually installs the steel pipe on a clamping device which can drive the steel pipe to rotate, and the clamping device generally adopts a three-jaw chuck to clamp the outer layers of the two ends of the steel pipe, but the clamping positions at the two ends of the steel pipe cannot be coated, the clamping positions need to be manually sprayed, and the manual spraying positions can only be naturally air-dried after being sprayed, which undoubtedly prolongs the spraying completion time of the whole chemical pipeline, thus, the disadvantages and shortcomings of the prior art remain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for outer anticorrosive spraying device of chemical pipeline, solve the problem that current spraying device will prolong whole chemical pipeline spraying completion time to the fixed mode of centre gripping of steel pipe.

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides a spraying device for chemical pipeline skin is anticorrosive, includes the chassis that the level set up, be provided with the box of vertical distribution on the chassis, its characterized in that: the spraying device and the drying device are oppositely arranged on two sides of the box body, the horizontal moving device is arranged at the top in the box body, the sliding trolley is connected with the bottom in the box body in a sliding manner, the horizontal moving device is positioned between the spraying device and the drying device, the horizontal moving device is provided with a U-shaped support capable of horizontally moving along the horizontal moving device, a vertically distributed fourth motor is arranged in the U-shaped support, an output shaft of the fourth motor penetrates through the U-shaped support and then is rotatably connected with a horizontally arranged connecting plate, two vertically oppositely distributed electric push rods are arranged on two sides of the bottom surface of the connecting plate, a shell of each electric push rod is fixedly connected with the connecting plate, a horizontally distributed first fixing disc is arranged between the push rods of the two electric push rods, the sliding trolley comprises a horizontally arranged bottom plate, and four corners of the bottom plate are respectively provided with a first universal wheel with a self-locking function, be provided with the type of falling U support on the bottom plate top surface, the type of falling U support top rotates the second fixed disk that is connected with horizontal distribution, be provided with horizontal distribution's solid fixed ring on the second fixed disk top surface relatively on the first fixed disk bottom surface, gu the vertical cross-section of fixed ring is ring shape, gu fixed ring includes that three central angle is the sector piece of 120 degrees, the sector piece intermediate position passes through first locking bolted connection with first fixed disk or second fixed disk, and the both ends of sector piece lateral surface all are provided with the electro-magnet.

Further, the horizontal cross-section of first fixed disk and second fixed disk is circular, and first fixed disk and second fixed disk set up with solid fixed ring coaxial line respectively, has seted up three connecting holes of group along first fixed disk circumference on the first fixed disk, and the contained angle between every two sets of adjacent connecting holes is 120 degrees, and every connecting hole of group all includes the screw hole that a plurality of distributes along first fixed disk radius direction equidistance, the second fixed disk is the same with first fixed disk shape, first locking bolt passes behind the sectorial block with screw hole threaded connection.

Further, the type of falling U support includes the diaphragm that the level set up, the diaphragm top surface rotates to be connected the second fixed disk, diaphragm bottom surface both sides all are provided with the pole setting of vertical distribution, the pole setting is retractable pole setting, and the pole setting includes the sleeve pipe and the connecting rod of vertical setting, sleeve pipe bottom and bottom plate fixed connection, sleeve pipe top and connecting rod sliding connection, connecting rod top and diaphragm fixed connection pass through second locking bolted connection between connecting rod and the sleeve pipe.

Furthermore, the top surface of the bottom plate of the box body is provided with two slideways which are horizontally arranged oppositely, and the first universal wheel is positioned in the slideways.

Furthermore, the horizontal moving device comprises two vertical plates which are vertically arranged oppositely, the top ends of the vertical plates are fixedly connected with a top plate of the box body, two third guide rods which are horizontally distributed oppositely are arranged between the two vertical plates, a third lead screw which is horizontally distributed is arranged between the two third guide rods, two ends of the third lead screw are rotatably connected with the vertical plates, one end of the third lead screw penetrates through the vertical plate at the end and then is rotatably connected with a third motor which is arranged on the vertical plate, a third slide block is connected to the third lead screw in a threaded manner and is sleeved on the two third guide rods, and the bottom of the third slide block is provided with the U-shaped support.

Further, the spraying device comprises a first motor which is vertically arranged, the first motor is arranged on a top plate of the box body, an output shaft of the first motor is rotatably connected with a first lead screw which is vertically arranged after penetrating through the top plate of the box body, the bottom end of the first lead screw is rotatably connected with a bottom plate of the box body, two sides of the first lead screw are respectively provided with a first guide rod which is vertically distributed, a first slide block is connected with the first lead screw in a threaded manner, two sides of the first slide block are respectively sleeved on the first guide rods, a first mounting plate which is vertically distributed is arranged on the inner side surface of the first slide block, the top of the inner side surface of the first mounting plate is provided with a plurality of hairbrushes which are arranged side by side along the horizontal direction, the bottom of the inner side surface of the first mounting plate is provided with a first shunt pipe which is horizontally distributed, the first shunt pipe is communicated with a plurality of coating nozzles which are arranged side by side along the horizontal direction, and is communicated with a spraying pump which is arranged on the outer side surface of the box body through a coating hose, the spraying pump is communicated with a coating box arranged on the chassis through a coating hard tube.

Further, drying device includes the second motor of vertical setting, the second motor is installed on the box roof, and second motor output shaft rotates after passing the box roof and is connected with the second lead screw of vertical setting, second lead screw bottom rotates with the box bottom plate to be connected, and second lead screw both sides all are provided with the second guide bar of vertical distribution, and threaded connection has the second slider on the second lead screw, the second slider both sides are all established on the second guide bar, are provided with the second mounting panel of vertical distribution on the second slider medial surface, are provided with horizontal distribution's second shunt pipe on the second mounting panel medial surface, it has the stoving shower nozzle of a plurality of setting side by side to communicate along the horizontal direction on the second shunt pipe, and the second shunt pipe has the air heater of setting on the chassis through the stoving hose intercommunication.

Furthermore, the four corners of the bottom surface of the chassis are provided with second universal wheels with self-locking function.

Further, the front opening and the two sides of the opening of the box body are hinged with a box door, the free end of the box door is abutted to the end surface of the abutted box door, a handle is arranged on the surface of the abutted box door, a vertically arranged rectangular through hole is further formed in the box door, and a transparent glass plate is embedded in the rectangular through hole.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a set up positioner and slide the dolly and cooperate jointly and can carry out vertical fixing to the chemical pipeline, it is concrete, set up the first fixed disk on positioner, set up the second fixed disk on the dolly that slides, set up solid fixed ring on first fixed disk and second fixed disk respectively, when fixing to the chemical pipeline, solid fixed ring inserts in the chemical pipeline both ends respectively, solid fixed ring outer wall and chemical pipeline inner wall butt, first fixed disk and second fixed disk respectively with chemical pipeline both ends butt, and adopt a plurality of electro-magnet circular telegram to adsorb chemical pipeline inner wall and assist fixedly, after fixing to the chemical pipeline, the fourth motor rotates and can drive the chemical pipeline and rotate, thus the spraying device can carry out thorough spraying to the chemical pipeline outer layer; through setting up horizontal migration device, can drive the chemical pipeline and remove to drying device work area from spraying device work area and dry immediately for anticorrosive paint curing time, and avoid spraying device and drying device during operation to influence each other, can shorten the spraying completion time to whole chemical pipeline like this.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

FIG. 2 is a schematic structural view of the present invention in use;

fig. 3 is one of the schematic structural diagrams of the first fixing disk or the second fixing disk, the fixing ring, the electromagnet and the first locking bolt of the present invention;

fig. 4 is a second schematic structural view of the first fixing disk or the second fixing disk, the fixing ring, the electromagnet and the first locking bolt according to the present invention;

FIG. 5 is an enlarged partial view of the structure at A in FIG. 1;

FIG. 6 is a partially enlarged view of the structure at B in FIG. 1;

FIG. 7 is an enlarged partial view of FIG. 1 at C;

fig. 8 is a second schematic structural diagram of the present invention.

Reference numerals: 1. a sliding trolley; 11. a base plate; 12. a first universal wheel; 13. an inverted U-shaped bracket; 131. a transverse plate; 132. erecting a rod; 133. a sleeve; 134. a connecting rod; 135. a second locking bolt; 14. a second fixed disk; 15. a fixing ring; 16. a sector block; 17. a first locking bolt; 18. an electromagnet; 19. connecting holes; 2. a horizontal moving device; 21. a vertical plate; 22. a third guide bar; 23. a third lead screw; 24. a third motor; 25. a third slider; 3. a spraying device; 31. a first motor; 32. a first lead screw; 33. a first slider; 34. a first mounting plate; 35. a brush; 36. a first shunt pipe; 37. spraying a spray head; 38. a paint tank; 39. a spray pump; 4. a drying device; 41. a second motor; 42. a second lead screw; 43. a second slider; 44. a second mounting plate; 45. a second shunt pipe; 46. drying the spray head; 47. a hot air blower; 5. a chassis; 51. a second universal wheel; 6. a box body; 61. a box door; 62. a handle; 63. a rectangular through hole; 64. a transparent glass plate; 65. a slideway; 7. a positioning device; 71. a U-shaped bracket; 72. a fourth motor; 73. a connecting plate; 74. an electric push rod; 75. a first fixed disk; 8. a blanking box; 81. a blanking hole; 9. an inverted U-shaped shield; 20. chemical pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a spraying device for chemical pipeline outer layer corrosion prevention, which comprises a horizontally arranged chassis 5, wherein vertically distributed boxes 6 are arranged on the chassis 5, each box 6 comprises a box top plate, a box bottom plate and four box side plates, a spraying device 3 and a drying device 4 are arranged at two sides of each box 6, a horizontal moving device 2 is arranged at the top of each box 6, a sliding trolley 1 is connected at the bottom of each box 6 in a sliding manner, the horizontal moving device 2 is positioned between the spraying device 3 and the drying device 4, a U-shaped bracket 71 capable of horizontally moving along the horizontal moving device is arranged on each horizontal moving device 2, a vertically distributed fourth motor 72 is arranged in each U-shaped bracket 71, an output shaft of each fourth motor 72 is rotatably connected with a horizontally arranged connecting plate 73 after passing through each U-shaped bracket 71, two electric push rods 74 which are vertically and oppositely distributed are arranged at two sides of the bottom surface of each connecting plate 73, the shell of the electric push rod 74 is fixedly connected with the connecting plate 73, a first fixing disc 75 which is horizontally distributed is arranged between the push rods of the two electric push rods 74, the U-shaped support 71, the fourth motor 72, the connecting plate 73, the electric push rod 74 and the first fixing disc 75 form the positioning device 7, the sliding trolley 1 comprises a bottom plate 11 which is horizontally arranged, four corners of the bottom surface of the bottom plate 11 are respectively provided with a first universal wheel 12 with a self-locking function, the top surface of the bottom plate 11 is provided with an inverted U-shaped support 13, the top of the inverted U-shaped support 13 is rotatably connected with a second fixing disc 14 which is horizontally distributed, fixing rings 15 which are horizontally distributed are arranged on the top surface of the second fixing disc 14 and are opposite to the bottom surface of the first fixing disc 75, the vertical sections of the fixing rings 15 are circular, each fixing ring 15 comprises three sector blocks 16 with central angles of 120 degrees, the middle positions of the sector blocks 16 are connected with the first fixing disc 75 or the second fixing disc 14 through first locking bolts 17, the two ends of the outer side face of the sector block 16 are respectively provided with an electromagnet 18, specifically, when a chemical pipeline 20 is fixed, the bottom end of the chemical pipeline 20 is firstly inserted into the position of a fixing ring 15 on a second fixing disc 14, the bottom end of the chemical pipeline 20 is abutted against the second fixing disc 14, the electromagnet 18 is electrified to be assisted and fixed, a first universal wheel 12 is locked, then a horizontal moving device 2 drives the fixing ring 15 on a first fixing disc 75 to move to the position right above the top of the chemical pipeline 20, a push rod of an electric push rod 74 extends out to drive the first fixing disc 75 to descend until the fixing ring 15 on the first fixing disc 75 is inserted into the top end of the chemical pipeline 20, the first fixing disc 75 is abutted against the top end of the chemical pipeline 20, the electromagnet 18 is electrified to be assisted and fixed, after the chemical pipeline 20 is fixed, the outer layer of the chemical pipeline 20 is opposite to a drying device 4 or a spraying device 3, and finally, the first universal wheel 12 is loosened, the horizontal moving device 2 drives the chemical pipeline 20 to move to the working area of the spraying device 3 for spraying, after the spraying is finished, the horizontal moving device 2 drives the chemical pipeline 20 to move to the working area of the drying device 4 for drying, and the first universal wheel 12 needs to be locked in the spraying process or the drying process.

The chemical pipeline 20 can be vertically fixed by arranging the positioning device 7 to be matched with the sliding trolley 1 together, specifically, a first fixing disc 75 is arranged on the positioning device 7, a second fixing disc 14 is arranged on the sliding trolley 1, fixing rings 15 are respectively arranged on the first fixing disc 75 and the second fixing disc 14, when the chemical pipeline 20 is fixed, the fixing rings 15 are respectively inserted into two ends of the chemical pipeline 20, the outer wall of each fixing ring 15 is abutted against the inner wall of the chemical pipeline 20, the first fixing disc 75 and the second fixing disc 14 are respectively abutted against two ends of the chemical pipeline 20, and a plurality of electromagnets 18 are adopted to electrically adsorb the inner wall of the chemical pipeline 20 for auxiliary fixing, after the chemical pipeline 20 is fixed, the fourth motor 72 rotates to drive the chemical pipeline 20 to rotate, so that the spraying device 3 can thoroughly spray the outer layer of the chemical pipeline 20; through setting up horizontal migration device 2, can drive chemical pipeline 20 and remove 4 work areas of drying device from 3 work areas of spraying device and dry immediately for anticorrosive paint curing time, and avoid spraying device 3 and 4 during operation to influence each other, can shorten the spraying completion time to whole chemical pipeline 20 like this.

Further, because the inner diameters of the chemical pipelines 20 are different in size, as shown in fig. 3 and 4, the horizontal cross sections of the first fixing disk 75 and the second fixing disk 14 are both circular, the first fixing disk 75 and the second fixing disk 14 are respectively arranged coaxially with the fixing ring 15, three groups of connecting holes 19 are formed in the second fixing disk 14 along the circumferential direction of the second fixing disk 14, the included angle between each two adjacent groups of connecting holes is 120 degrees, each group of connecting holes comprises a plurality of threaded holes equidistantly distributed along the radius direction of the second fixing disk 14, the first fixing disk 75 and the second fixing disk 14 are identical in shape, the first locking bolt 17 penetrates through the fan-shaped block 16 and is in threaded connection with the threaded holes, and through the arrangement mode, the position of the fan-shaped block 16 on the first fixing disk 75 or the second fixing disk 14 can be adjusted, so as to adjust the fixing space for fixing the inner wall of the chemical pipeline 20 by the fixing ring 15 and the electromagnet 18, so as to adapt to the spraying and drying of the chemical pipelines 20 with different inner diameters.

Further, because chemical pipeline 20's length differs, therefore, as shown in fig. 1, fig. 2 and fig. 5, the type of falling U support 13 includes the diaphragm 131 that the level set up, diaphragm 131 top surface rotates and connects second fixed disk 14, diaphragm 131 bottom surface both sides all are provided with the pole setting 132 of vertical distribution, pole setting 132 is the retractable pole setting, pole setting 132 includes sleeve pipe 133 and the connecting rod 134 of vertical setting, sleeve pipe 133 bottom and bottom plate 11 fixed connection, sleeve pipe 133 top and connecting rod 134 sliding connection, connecting rod 134 top and diaphragm 131 fixed connection, be connected through second locking bolt 135 between connecting rod 134 and the sleeve pipe 133, through such mode of setting, the height of type of falling U support 13 can be reduced, in order to adapt to the spraying and the stoving of the chemical pipeline 20 of different length.

Further, because the horizontal moving device 2 needs to drive the chemical pipeline 20 to move from the working area of the spraying device 3 to the working area of the drying device 4, in the moving process, in order to prevent the sliding trolley 1 from running off the track, as shown in fig. 1 and fig. 2, two horizontal opposite slide ways 65 are provided on the top surface of the bottom plate of the box body 6, the first universal wheel 12 is located in the slide way 65, the position of the slide way 65 is set to ensure that the fixing ring 15 on the sliding trolley 1 and the fixing ring 15 on the positioning device 7 are set to be proper, and by setting the slide way 65, the sliding trolley 1 can be ensured not to run off the track when running synchronously with the positioning device 7.

Further, as shown in fig. 1 and 2, the horizontal moving device 2 has the following specific structure: the horizontal moving device 2 comprises two vertical plates 21 which are vertically arranged oppositely, the top ends of the vertical plates 21 are fixedly connected with the top plate of the box body 6, two third guide rods 22 which are horizontally distributed oppositely are arranged between the two vertical plates 21, both ends of each third guide rod 22 are fixedly connected with the vertical plates 21, a third screw 23 which is horizontally distributed is arranged between the two third guide rods 22, both ends of each third screw 23 are rotatably connected with the vertical plates 21, one end of each third screw 23 penetrates through the vertical plate 21 at the end and then is rotatably connected with a third motor 24 which is arranged on the vertical plate 21, each third motor 24 is a power source for rotating the third screw 23, a third slide block 25 is in threaded connection with the third screw 23, the third slide block 25 is sleeved on the two third guide rods 22, the bottom of the third slide block 25 is provided with the U-shaped bracket 71, and through the arrangement mode, the horizontal moving device 2 can drive the positioning device 7 to move horizontally, when the positioning device 7 and the sliding trolley 1 are matched together to fix the position of the chemical pipeline 20, the horizontal moving device 2 can drive the positioning device 7 and the sliding trolley 1 to move horizontally at the same time, so that the chemical pipeline 20 can be moved from the working area of the spraying device 3 to the working area of the drying device 4.

Further, as shown in fig. 1, 2 and 6, the spraying device 3 includes a vertically arranged first motor 31, the first motor 31 is installed on the top plate of the box 6, an output shaft of the first motor 31 penetrates through the top plate of the box 6 and then is rotatably connected with a vertically arranged first lead screw 32, the first motor 31 is a power source for driving the first lead screw 32 to rotate, the bottom end of the first lead screw 32 is rotatably connected with the bottom plate of the box 6, vertically distributed first guide rods are respectively arranged on both sides of the first lead screw 32, a first sliding block 33 is in threaded connection with the first lead screw 32, both sides of the first sliding block 33 are respectively sleeved on the first guide rods, the first guide rods are not shown in the figure, a vertically distributed first mounting plate 34 is arranged on the inner side surface of the first sliding block 33, the first mounting plate 34 is a strip-shaped plate, a plurality of side-by-side brushes 35 are arranged on the top of the inner side surface of the first mounting plate 34 along the horizontal direction, before the outer layer of the chemical pipeline 20 is sprayed, the brush 35 can remove burrs and dust on the outer layer of the chemical pipeline 20, the bottom of the inner side surface of the first mounting plate 34 is provided with a first shunt pipe 36 which is horizontally distributed, the first shunt pipe 36 is communicated with a plurality of coating nozzles 37 which are arranged side by side along the horizontal direction, the spraying opening of each coating nozzle 37 is in a horn shape, so that the spraying range can completely cover the outer layer of the chemical pipeline 20, when the first screw 32 rotates to drive the paint spray head 37 to ascend and descend, the outer layer of the chemical pipeline 20 can be thoroughly sprayed, in addition, the first shunt pipe 36 is communicated with a spray pump 39 arranged on the outer side surface of the box body 6 through a paint hose, one end of the paint hose communicated with the first shunt pipe 36 can be fixed on the first sliding block 33 through an adhesive tape, the spray pump 39 is communicated with a paint box 38 arranged on the chassis 5 through a paint hard pipe, and the spray pump 39 is communicated with or cuts off the conveying of the anticorrosive paint.

Further, as shown in fig. 1, 2 and 7, the drying device 4 has the following specific structure: the drying device 4 comprises a second motor 41 which is vertically arranged, the second motor 41 is installed on the top plate of the box body 6, an output shaft of the second motor 41 penetrates through the top plate of the box body 6 and then is rotatably connected with a second lead screw 42 which is vertically arranged, the second motor 41 is a power source for driving the second lead screw 42 to rotate, the bottom end of the second lead screw 42 is rotatably connected with the bottom plate of the box body 6, two sides of the second lead screw 42 are respectively provided with a second guide rod which is vertically distributed, the second guide rod is not shown in the figure, a second slide block 43 is in threaded connection with the second lead screw 42, two sides of the second slide block 43 are respectively sleeved on the second guide rods, a second mounting plate 44 which is vertically distributed is arranged on the inner side surface of the second slide block 43, the second mounting plate 44 is a strip-shaped plate, a second shunt tube 45 which is horizontally distributed is arranged on the inner side surface of the second mounting plate 44, a plurality of drying nozzles 46 which are arranged side by side are communicated with each other along the horizontal direction on the second shunt tube 45, the stoving mouth of stoving shower nozzle 16 is loudspeaker form, can thoroughly cover the outer surface of chemical pipeline 20 with the stoving scope like this, rotates at second lead screw 42 and can thoroughly dry chemical pipeline 20 skin when driving scribbling stoving shower nozzle 46 and go up and down, and in addition, second shunt 45 has the air heater 47 of setting on chassis 5 through the stoving hose intercommunication, and the one end of stoving hose intercommunication second shunt 45 can be fixed on second slider 43 through the adhesive tape.

Further, as shown in fig. 1, 2 and 8, four corners of the bottom surface of the chassis 5 are provided with second universal wheels 51 with a self-locking function, and the position of the whole spraying device is convenient to move by arranging the second universal wheels 51.

Further, as shown in fig. 8, the front surface of the box body 6 is open, two sides of the opening are hinged with a box door 61, the free end of the box door 61 is abutted, a handle 62 is arranged on the surface of the abutted end of the box door 61, a vertically arranged rectangular through hole 63 is further arranged on the box door 61, a transparent glass plate 64 is embedded in the rectangular through hole 63, and particularly, the box door 61 is convenient to open by arranging the handle 62; the transparent glass plate 64 is arranged to facilitate the observation of the working conditions of the devices in the box 6.

As shown in fig. 1, 2 and 8, the top plate of the box 6 is provided with an inverted U-shaped shield 9, and the first motor 31 and the second motor 41 positioned at the top plate of the box 6 can be protected by the inverted U-shaped shield 9, thereby preventing dust accumulation.

Further, as shown in fig. 1, 2 and 8, a blanking box 8 is arranged on the bottom surface of the chassis 5, the blanking box 8 is a drawer-type blanking box, the top end of the blanking box 8 is open, and the top end of the blanking box 8 is open and is communicated with the slideway 65 through a blanking hole 81 which runs through the chassis 5 and the bottom plate of the box 6, and in the spraying process of the spraying device 3 on the chemical pipeline 20, the anticorrosive coatings flowing down from the outer layer of the chemical pipeline 20 can flow through the blanking hole 81 and fall into the blanking box 8 for recycling by arranging the blanking box 8.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. The utility model provides a spraying device for chemical pipeline skin is anticorrosive, includes the chassis that the level set up, be provided with the box of vertical distribution on the chassis, its characterized in that: the spraying device and the drying device are oppositely arranged on two sides of the box body, the horizontal moving device is arranged at the top in the box body, the sliding trolley is connected with the bottom in the box body in a sliding manner, the horizontal moving device is positioned between the spraying device and the drying device, the horizontal moving device is provided with a U-shaped support capable of horizontally moving along the horizontal moving device, a vertically distributed fourth motor is arranged in the U-shaped support, an output shaft of the fourth motor penetrates through the U-shaped support and then is rotatably connected with a horizontally arranged connecting plate, two vertically oppositely distributed electric push rods are arranged on two sides of the bottom surface of the connecting plate, a shell of each electric push rod is fixedly connected with the connecting plate, a horizontally distributed first fixing disc is arranged between the push rods of the two electric push rods, the sliding trolley comprises a horizontally arranged bottom plate, and four corners of the bottom plate are respectively provided with a first universal wheel with a self-locking function, be provided with the type of falling U support on the bottom plate top surface, the type of falling U support top rotates the second fixed disk that is connected with horizontal distribution, be provided with horizontal distribution's solid fixed ring on the second fixed disk top surface relatively on the first fixed disk bottom surface, gu the vertical cross-section of fixed ring is ring shape, gu fixed ring includes that three central angle is the sector piece of 120 degrees, the sector piece intermediate position passes through first locking bolted connection with first fixed disk or second fixed disk, and the both ends of sector piece lateral surface all are provided with the electro-magnet.

2. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: first fixed disk is circular with the horizontal cross-section of second fixed disk, and first fixed disk and second fixed disk set up with solid fixed ring coaxial line respectively, has seted up three connecting holes of group along first fixed disk circumference on the first fixed disk, and the contained angle between every two sets of adjacent connecting holes is 120 degrees, and every connecting hole of group all includes the screw hole that a plurality of distributes along first fixed disk radius direction equidistance, the second fixed disk is the same with first fixed disk shape, first locking bolt passes behind the sector block with screw hole threaded connection.

3. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 2, characterized in that: the type of falling U support includes the diaphragm that the level set up, the diaphragm top surface rotates to be connected the second fixed disk, diaphragm bottom surface both sides all are provided with the pole setting of vertical distribution, the pole setting is retractable pole setting, and the pole setting includes the sleeve pipe and the connecting rod of vertical setting, sleeve pipe bottom and bottom plate fixed connection, sleeve pipe top and connecting rod sliding connection, connecting rod top and diaphragm fixed connection pass through second locking bolted connection between connecting rod and the sleeve pipe.

4. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: the top surface of the box bottom plate is provided with two horizontal opposite slide ways, and the first universal wheel is positioned in the slide ways.

5. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: the horizontal moving device comprises two vertical plates which are vertically and oppositely arranged, the top ends of the vertical plates are fixedly connected with a top plate of the box body, two third guide rods which are horizontally and oppositely distributed are arranged between the two vertical plates, a third lead screw which is horizontally distributed is arranged between the two third guide rods, the two ends of the third lead screw are rotatably connected with the vertical plates, one end of the third lead screw penetrates through the vertical plate at the end and then is rotatably connected with a third motor which is arranged on the vertical plate, a third slide block is in threaded connection with the third lead screw, the third slide block is sleeved on the two third guide rods, and the bottom of the third slide block is provided with the U-shaped support.

6. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: the spraying device comprises a vertically arranged first motor, the first motor is arranged on a box top plate, a first motor output shaft penetrates through the box top plate and then is rotatably connected with a vertically arranged first lead screw, the bottom end of the first lead screw is rotatably connected with a box bottom plate, two sides of the first lead screw are respectively provided with a first guide rod which is vertically distributed, a first slide block is in threaded connection with the first lead screw, two sides of the first slide block are respectively sleeved on the first guide rod, a first mounting plate which is vertically distributed is arranged on the inner side surface of the first slide block, the top of the inner side surface of the first mounting plate is provided with a plurality of hairbrushes which are arranged side by side along the horizontal direction, the bottom of the inner side surface of the first mounting plate is provided with a first shunt pipe which is horizontally distributed, the first shunt pipe is communicated with a plurality of coating nozzles which are arranged side by side along the horizontal direction, and is communicated with a spraying pump which is arranged on the outer side surface of the box through a coating hose, the spraying pump is communicated with a coating box arranged on the chassis through a coating hard tube.

7. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: the drying device comprises a second motor which is vertically arranged, the second motor is installed on a box top plate, a second motor output shaft penetrates through the box top plate and then is connected with a second lead screw which is vertically arranged in a rotating mode, the bottom end of the second lead screw is connected with a box bottom plate in a rotating mode, the two sides of the second lead screw are provided with second guide rods which are vertically distributed, a second slider is connected to the second lead screw in a threaded mode, the two sides of the second slider are all sleeved on the second guide rods, a second mounting plate which is vertically distributed is arranged on the inner side face of the second slider, a second shunt pipe which is horizontally distributed is arranged on the inner side face of the second mounting plate, a plurality of drying spray heads which are arranged side by side are communicated on the second shunt pipe in the horizontal direction, and the second shunt pipe is communicated with a hot air blower which is arranged on a chassis through a drying hose.

8. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: and four corners of the bottom surface of the chassis are provided with second universal wheels with self-locking functions.

9. The spraying device for the corrosion prevention of the outer layer of the chemical pipeline according to claim 1, characterized in that: the box body front opening and the opening both sides all articulate there is the chamber door, chamber door free end looks butt and chamber door butt end are provided with the handle on the surface, still set up the rectangle through-hole of vertical setting on the chamber door, it has the transparent glass board to inlay in the rectangle through-hole.