CN111085379B - Steel pipeline epoxy powder inner spraying device - Google Patents
Steel pipeline epoxy powder inner spraying device Download PDFInfo
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- CN111085379B CN111085379B CN201911375016.XA CN201911375016A CN111085379B CN 111085379 B CN111085379 B CN 111085379B CN 201911375016 A CN201911375016 A CN 201911375016A CN 111085379 B CN111085379 B CN 111085379B
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- pipe
- spraying
- annular
- fixedly connected
- drying cylinder
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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
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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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
- B05B13/06—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 specially designed for treating the inside of hollow bodies
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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
- B05B13/06—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 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
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- Spray Control Apparatus (AREA)
Abstract
The invention relates to the technical field of spraying, in particular to an internal epoxy powder spraying device for a steel pipeline, which comprises a pipeline body, a walking trolley, a power structure, a transmission shaft, a bearing seat, an annular through pipe, a spraying head, a connecting piece, a drying cylinder, an access pipe, a conveying pipe, a support, a limiting disc, a winding cylinder, a driving wheel, a driving motor and a driving wheel, wherein the walking trolley is positioned in the pipeline body, the top of the walking trolley is fixedly connected with the bottom of the power structure, and the output end of the power structure is in transmission connection with one end of the transmission shaft. The invention achieves the aim of uniformly spraying the inner wall of the pipeline, and can dry the epoxy powder after spraying, thereby improving the curing effect of the sprayed epoxy powder, improving the spraying efficiency of the epoxy powder, completing the whole process only by remote control of personnel, further reducing the labor intensity of workers and improving the whole construction progress.
Description
Technical Field
The invention relates to the technical field of spraying, in particular to an inner spraying device for epoxy powder of a steel pipeline.
Background
The steel pipeline is an important channel in the production and operation process of petroleum, chemical production, petroleum gathering and transportation, water supply and gas supply systems, and has wide application range and great using amount. In order to improve the corrosion resistance of steel pipelines and prolong the service life of the pipelines, the inner and outer surfaces of the pipelines are usually treated and coated with anticorrosive coatings. At present, steel pipe anticorrosive coatings adopted on site are various, wherein epoxy powder coated steel pipes are increasingly applied due to the advantages of excellent mechanical properties, acid and alkali resistance, corrosion resistance, good corrosion resistance and the like, and the demand is increasingly large.
But spraying device in current steel pipeline epoxy has some defects, for example spraying device in the current steel pipeline epoxy, needs the manual work to go on mostly, and manual operation can cause the spraying uneven and the spraying thoroughly not often, and spraying device in the current steel pipeline epoxy, and the structure is complicated, operates very inconveniently.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the internal epoxy powder spraying device for the steel pipeline, which achieves the aim of uniformly spraying the inner wall of the pipeline, and can also dry the epoxy powder after spraying, so that the curing effect of the sprayed epoxy powder is improved, the spraying efficiency of the epoxy powder is improved, the whole process can be finished only by remote control of personnel, the labor intensity of workers is reduced, and the overall construction progress is improved.
(II) technical scheme
In order to realize the technical problem, the invention provides the following technical scheme: a steel pipeline epoxy powder internal spraying device comprises a pipeline body, a walking trolley, a power structure, a transmission shaft, a bearing seat, an annular through pipe, a spraying head, a connecting piece, a drying cylinder, an access pipe, a conveying pipe, a support, a limiting disc, a winding cylinder, a transmission wheel, a driving motor and a driving wheel, wherein the walking trolley is positioned inside the pipeline body, the top of the walking trolley is fixedly connected with the bottom of the power structure, the output end of the power structure is in transmission connection with one end of the transmission shaft, the bottom of the bearing seat is fixedly connected with the left side of the top of the walking trolley, the left end of the transmission shaft extends to the left side of the walking trolley through the bearing seat, the outer side wall of the annular through pipe is fixedly communicated with the input end of the spraying head, the periphery of the connecting piece is fixedly connected with the periphery of the inner side wall of the annular through, the middle position on the right side of the connecting piece is fixedly connected with the left end of the transmission shaft, and the outer surface of the drying cylinder is provided with air holes.
Furthermore, the number of the spraying heads and the air holes is multiple, and the spraying heads and the air holes are uniformly distributed at equal intervals relative to the outer side walls of the annular through pipe and the drying cylinder.
Further, the one end of inserting the pipe and the fixed intercommunication in intermediate position on a stoving section of thick bamboo right side, the other end that inserts the pipe extends to the outside on pipeline body right side and with the fixed intercommunication of the output of drying-machine, the inside of a stoving section of thick bamboo is provided with the subassembly that flow equalizes.
Further, the one end of conveyer pipe and the fixed intercommunication in one side of annular siphunculus, the other end of conveyer pipe extends to the outside on pipeline body right side and with the fixed intercommunication of the output of flush coater, insert pipe and conveyer pipe and be in relative swing joint state with a stoving section of thick bamboo and annular siphunculus respectively.
Furthermore, two the support is located the right side of pipeline body respectively, two one side that the support is relative respectively with two the axle center position of spacing dish rotates to be connected, two one side that the spacing dish is relative respectively with the both ends fixed connection of winding drum.
Further, the axle center position of spacing dish one side and one side fixed connection of drive wheel, driving motor is located the below of winding drum bottom, driving motor's output and one side fixed connection of action wheel, pass through belt transmission connection between action wheel and the drive wheel.
(III) advantageous effects
The invention provides an internal epoxy powder spraying device for a steel pipeline, which has the following beneficial effects:
1. the invention controls the movement of the walking trolley through the remote control device, can drive the annular through pipe and the drying cylinder to slowly move towards the right side relative to the inside of the pipeline body, and simultaneously drives the annular through pipe and the drying cylinder to synchronously rotate at a constant speed by matching with the power output of the power structure and transmitting the power output to the transmission shaft, so that the annular through pipe and the drying cylinder are driven to be in a constant speed rotation state, the inner wall of the pipeline body is uniformly sprayed by matching with the circular rotation of the spraying head, and the drying effect of high-temperature drying gas of the drying cylinder is matched, so that the curing effect after the epoxy powder is sprayed is improved, the spraying efficiency of the epoxy powder is improved, the whole process can be finished only by carrying out remote control by personnel, the labor.
2. The invention ensures that the transmission wheel drives the whole winding drum to be in a uniform rotation state by matching the operation of the driving motor with the transmission of the belt, when the walking trolley moves slowly to the right side and carries out spraying operation, the winding drum winds the access pipe and the conveying pipe while rotating, and the access pipe and the conveying pipe are respectively connected with two sides of the outer surface of the winding drum, so that the walking trolley cannot be interfered by a pipeline in the moving process, the normal operation of the whole spraying operation is ensured, and meanwhile, the winding and unwinding mode of the pipeline by manpower is also replaced, thereby lightening the acknowledged labor intensity.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of the connection between the annular through pipe and the drying cylinder.
In the figure: 1. a pipe body; 2. a walking trolley; 3. a power structure; 4. a drive shaft; 5. a bearing seat; 6. an annular through pipe; 7. a spray head; 8. a connecting member; 9. a drying drum; 10. air holes are formed; 11. an access pipe; 12. a delivery pipe; 13. a support; 14. a limiting disc; 15. winding the roll; 16. a driving wheel; 17. a drive motor; 18. a driving wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a steel pipeline epoxy powder internal spraying device comprises a pipeline body 1, a walking trolley 2, a power structure 3, a transmission shaft 4, a bearing seat 5, an annular through pipe 6, a spraying head 7, a connecting piece 8, a drying cylinder 9, an access pipe 11, a conveying pipe 12, a support 13, a limiting disc 14, a winding cylinder 15, a driving wheel 16, a driving motor 17 and a driving wheel 18, wherein the walking trolley 2 is positioned inside the pipeline body 1, the top of the walking trolley 2 is fixedly connected with the bottom of the power structure 3, the power structure 3 is preferably driven by a motor, meanwhile, the power structure 3 is two power source output ends, one of the two power source output ends is transmitted to the walking trolley 2, the other is transmitted to the transmission shaft 4, the walking trolley 2 adopts a remote control mode, the output end of the power structure 3 is in transmission connection with one end of the transmission shaft 4, the bottom of the bearing seat 5 is fixedly connected, the left end of the transmission shaft 4 extends to the left side of the walking trolley 2 through the bearing seat 5, the outer side wall of the annular through pipe 6 is fixedly communicated with the input end of the spraying head 7, the periphery of the connecting piece 8 is fixedly connected with the periphery of the inner side wall of the annular through pipe 6 respectively, the right side of the drying cylinder 9 is fixedly connected with the left side of the connecting piece 8 through a rod piece, the middle position of the right side of the connecting piece 8 is fixedly connected with the left end of the transmission shaft 4, the outer surface of the drying cylinder 9 is provided with air holes 10, the movement of the walking trolley 2 is controlled through a remote control device, the annular through pipe 6 and the drying cylinder 9 can be driven to slowly move towards the right side relative to the inside of the pipeline body 1, and the power output of the power structure 3 is matched to be transmitted to the transmission shaft 4, so that the annular through pipe 6, and the drying effect of the high-temperature dry gas of the drying cylinder 9 is matched, so that the curing effect after the epoxy powder is sprayed is improved, the spraying efficiency of the epoxy powder is improved, the whole process can be completed only by carrying out remote control on personnel, the labor intensity of workers is reduced, and the overall construction progress is improved.
The spraying heads 7 and the air holes 10 are distributed in a plurality, the spraying heads 7 and the air holes 10 are distributed uniformly relative to the annular through pipe 6 and the outer side wall of the drying cylinder 9 at equal intervals, one end of an access pipe 11 is fixedly communicated with the middle position on the right side of the drying cylinder 9, the other end of the access pipe 11 extends to the outside on the right side of the pipeline body 1 and is fixedly communicated with the output end of the dryer, a flow equalizing assembly is arranged inside the drying cylinder 9, one end of a conveying pipe 12 is fixedly communicated with one side of the annular through pipe 6, the other end of the conveying pipe 12 extends to the outside on the right side of the pipeline body 1 and is fixedly communicated with the output end of the spraying machine, the access pipe 11 and the conveying pipe 12 are respectively in a relative movable connection state with the drying cylinder 9 and the annular through pipe 6, the access pipe 11 and the conveying pipe 12 are pipelines, the two supports 13 are respectively positioned on the right side of the pipeline body 1, one opposite sides of the two supports 13 are respectively and rotatably connected with the axle center positions of the two limiting discs 14, one opposite sides of the two limiting discs 14 are respectively and fixedly connected with two ends of the winding drum 15, the axle center position of one side of each limiting disc 14 is fixedly connected with one side of the driving wheel 16, the driving motor 17 is positioned below the bottom of the winding drum 15, the output end of the driving motor 17 is fixedly connected with one side of the driving wheel 18, the driving wheel 18 is in transmission connection with the driving wheel 16 through a belt, the driving wheel 16 drives the whole winding drum 15 to be in a constant-speed rotating state through the running of the driving motor 17 matched with the transmission of the belt, when the walking trolley slowly moves towards the right side and carries out spraying operation, the winding drum 15 rotates and simultaneously carries out the connection pipe 11 and the conveying pipe 12, and the connection pipe 11 and the conveying, therefore, the walking trolley 2 cannot be interfered by the pipeline in the moving process, the normal operation of the whole spraying operation is ensured, and meanwhile, the pipeline winding and unwinding mode is replaced by manpower, so that the acknowledged labor intensity is reduced.
The working principle is as follows: the movement of the walking trolley 2 is controlled by a remote control device, the annular through pipe 6 and the drying cylinder 9 can be driven to slowly move towards the right side relative to the inside of the pipeline body 1, and meanwhile, the power output of the power structure 3 is matched and transmitted to the transmission shaft 4, so that the annular through pipe 6 and the drying cylinder 9 are driven to synchronously be in a uniform rotation state, the inner wall of the pipeline body 1 is uniformly sprayed by matching the circular rotation of the spraying head 7, and the drying effect of high-temperature dry gas of the drying cylinder 9 is matched, so that the curing effect after epoxy powder spraying is improved, the spraying efficiency of the epoxy powder is improved, meanwhile, the transmission wheel 16 drives the whole winding cylinder 15 to be in a uniform rotation state by matching the transmission of a belt through the operation of the driving motor 17, when the walking trolley slowly moves towards the right side and spraying operation is implemented, the winding cylinder 15 winds the access pipe 11 and the conveying pipe 12 while rotating, the access pipe 11 and the delivery pipe 12 are respectively arranged at two sides of the outer surface of the winding drum 15, so that the walking trolley 2 is not interfered by pipelines in the moving process.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a steel pipeline epoxy powder internal spraying device, includes pipeline body (1), walking dolly (2), power structure (3), transmission shaft (4), bearing frame (5), annular siphunculus (6), spraying head (7), connecting piece (8), a stoving section of thick bamboo (9), inserts pipe (11), conveyer pipe (12), support (13), spacing dish (14), receipts spool (15), drive wheel (16), driving motor (17) and action wheel (18), its characterized in that: the pipeline drying device is characterized in that the walking trolley (2) is located inside the pipeline body (1), the top of the walking trolley (2) is fixedly connected with the bottom of the power structure (3), the output end of the power structure (3) is in transmission connection with one end of the transmission shaft (4), the bottom of the bearing seat (5) is fixedly connected with the left side of the top of the walking trolley (2), the left end of the transmission shaft (4) extends to the left side of the walking trolley (2) through the bearing seat (5), the outer side wall of the annular through pipe (6) is fixedly communicated with the input end of the spraying head (7), the periphery of the connecting piece (8) is fixedly connected with the periphery of the inner side wall of the annular through pipe (6), the right side of the drying cylinder (9) is fixedly connected with the left side of the connecting piece (8) through a rod piece, the middle position of the right side of the connecting piece (8) is, the outer surface of the drying cylinder (9) is provided with air holes (10);
the spraying heads (7) and the air holes (10) are multiple in number, and the spraying heads (7) and the air holes (10) are uniformly distributed at equal intervals relative to the outer side walls of the annular through pipe (6) and the drying cylinder (9); one end of the access pipe (11) is fixedly communicated with the middle position of the right side of the drying cylinder (9), the other end of the access pipe (11) extends to the outside of the right side of the pipeline body (1) and is fixedly communicated with the output end of the dryer, and a flow equalizing assembly is arranged inside the drying cylinder (9); one end of the conveying pipe (12) is fixedly communicated with one side of the annular through pipe (6), the other end of the conveying pipe (12) extends to the outside of the right side of the pipeline body (1) and is fixedly communicated with the output end of the spraying machine, and the access pipe (11) and the conveying pipe (12) are respectively in a relative movable connection state with the drying cylinder (9) and the annular through pipe (6); the two brackets (13) are respectively positioned on the right side of the pipeline body (1), one opposite sides of the two brackets (13) are respectively rotatably connected with the axle center positions of the two limiting discs (14), and one opposite sides of the two limiting discs (14) are respectively fixedly connected with the two ends of the winding drum (15); the automatic winding device is characterized in that the axis position of one side of the limiting disc (14) is fixedly connected with one side of the driving wheel (16), the driving motor (17) is located below the bottom of the winding drum (15), the output end of the driving motor (17) is fixedly connected with one side of the driving wheel (18), and the driving wheel (18) is in transmission connection with the driving wheel (16) through a belt.
Priority Applications (1)
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CN201911375016.XA CN111085379B (en) | 2019-12-27 | 2019-12-27 | Steel pipeline epoxy powder inner spraying device |
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CN201911375016.XA CN111085379B (en) | 2019-12-27 | 2019-12-27 | Steel pipeline epoxy powder inner spraying device |
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CN111085379A CN111085379A (en) | 2020-05-01 |
CN111085379B true CN111085379B (en) | 2021-03-30 |
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Families Citing this family (3)
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CN112193838A (en) * | 2020-09-27 | 2021-01-08 | 湖州中福人管业科技有限公司 | Powder feeding device for processing pipeline anticorrosion production line |
CN112387494A (en) * | 2020-10-29 | 2021-02-23 | 安徽旭通网络科技有限公司 | Anticorrosive spraying equipment of inlayer suitable for arc pipe |
CN114653514A (en) * | 2022-03-31 | 2022-06-24 | 马鞍山远荣机器人智能装备有限公司 | Tubular workpiece spraying machine capable of realizing uniform paint spraying |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1115746B (en) * | 1977-11-15 | 1986-02-03 | Siargas | PROCEDURE FOR THE REALIZATION OF WATERPROOF JOINTS IN UNDERGROUND PIPES |
FR2715084B1 (en) * | 1994-01-14 | 1996-04-05 | Ryser Sarl Ets Ernest | Method and device for applying a coating in a buried pipeline. |
CN102274818A (en) * | 2011-07-14 | 2011-12-14 | 关敬党 | Belt material drying device, drying cylinder and belt material drying method |
CN102284398B (en) * | 2011-07-20 | 2013-05-08 | 南京理工大学 | Caliber self-adaption inwall spraying equipment aiming at large-caliber steel tube |
CN102974492B (en) * | 2011-09-06 | 2015-09-30 | 上海航天精密机械研究所 | A kind of inwall automatic spray-paint device |
CN102513253A (en) * | 2011-12-19 | 2012-06-27 | 青岛大仓管道防腐保温器材有限公司 | Epoxy powder coating device for insides and outsides of steel tubes and process method |
CN202983956U (en) * | 2012-12-04 | 2013-06-12 | 上海建冶科技工程有限公司 | Robot capable of automatically coating pipeline inwall |
KR101626306B1 (en) * | 2013-09-06 | 2016-06-01 | 삼성중공업 주식회사 | Tower Painting Method for Wind Turbine |
CN207890741U (en) * | 2018-01-25 | 2018-09-21 | 连云港宏坤建材有限公司 | A kind of waterproof roll wrap-up |
CN208427271U (en) * | 2018-04-09 | 2019-01-25 | 南京远扬喷涂粉末有限公司 | A kind of device for spray-coating inside of steel pipeline with epoxy powder |
CN110102431A (en) * | 2019-06-17 | 2019-08-09 | 苏州经贸职业技术学院 | One kind is for spray equipment used in engineering shop |
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