CN112403744B - Large-scale construction pipeline inner wall spraying conveying equipment - Google Patents
Large-scale construction pipeline inner wall spraying conveying equipment Download PDFInfo
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- CN112403744B CN112403744B CN202110084684.8A CN202110084684A CN112403744B CN 112403744 B CN112403744 B CN 112403744B CN 202110084684 A CN202110084684 A CN 202110084684A CN 112403744 B CN112403744 B CN 112403744B
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- Prior art keywords
- wall
- spraying
- sleeve
- spraying box
- conveying
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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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
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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
- B05B13/0645—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 the hollow bodies being rotated during treatment operation
- B05B13/0663—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 the hollow bodies being rotated during treatment operation and the hollow bodies being translated in a direction parallel to the rotational axis
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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
- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
Abstract
The invention relates to the technical field of pipe spraying anticorrosion conveying, and provides a large-scale construction pipeline inner wall spraying conveying device which comprises a conveying line, wherein a hanging rail is arranged right above the conveying line in parallel, and a moving vehicle is arranged on the hanging rail; a spraying box is hung below the moving vehicle; one side of the spraying box is provided with a sleeve component which can horizontally stretch out and draw back; when the spraying box moves to the upper part of the pipe body, the spraying box descends, and the moving vehicle moves at the same speed as the pipe body; the sleeve component extends out, and the nozzle enters the inner cavity of the tube body; the nozzle sprays paint to the inner wall of the tube body in the extending process, and a coating is formed on the inner wall along with the rotation of the tube body. Therefore, the movable spraying box is arranged above the conveying line, and the nozzle is arranged on the telescopic sleeve component, so that the inner wall of the pipe body is sprayed in the conveying process; the off-line spraying process and equipment are avoided, the production cost is greatly reduced, and the production efficiency is obviously improved.
Description
Technical Field
The invention belongs to the technical field of pipe spraying anticorrosion conveying, and particularly relates to a large-scale construction pipeline inner wall spraying conveying device.
Background
With the development of Chinese economy, the construction scale of infrastructure becomes larger and larger. The laying of municipal pipe networks is one of the links.
The pipeline for construction needs to be buried underground for a long time, so that the corrosion prevention of the pipeline is the key for ensuring the service life. Because the construction pipeline is mostly bulky steel pipe, need carry out anticorrosive operation with special equipment during production usually, manufacturing cost is high, and production efficiency is low.
The Chinese patent with the application number of 202010126157.4 discloses a socket pipe plastic layer winding forming device, which can realize the corrosion prevention of the outer wall of a pipe body in the conveying process of a large-sized steel pipe. But at present, the anticorrosive coating shaping of body inner wall still need use special equipment to accomplish, lacks effectual online spraying equipment.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the inner wall spraying conveying equipment for the large-scale construction pipeline, wherein a movable spraying box is arranged above a conveying line, and a nozzle is arranged on a telescopic sleeve component, so that the inner wall spraying of a pipe body is realized in the conveying process; the off-line spraying process and equipment are avoided, the production cost is greatly reduced, and the production efficiency is obviously improved.
In order to achieve the purpose, the invention provides large-scale construction pipeline inner wall spraying conveying equipment which comprises a conveying line, a spraying device and a spraying device, wherein the conveying line comprises a plurality of conveying roller sets which are arranged at equal intervals; a hanging rail is arranged in parallel right above the conveying line, and a moving vehicle is arranged on the hanging rail; a spraying box is hung below the moving vehicle; the movable trolley is provided with a lifting cylinder, the telescopic part of the lifting cylinder is connected with a supporting plate, the supporting plate is connected with a lifting column, and the lifting column is fixedly connected with the top of the spraying box.
Each conveying roller group comprises two conveying rollers; the conveying roller rotates to drive the pipe body to rotate and advance at the same time.
One side of the spraying box is provided with a sleeve assembly capable of horizontally stretching; the sleeve component comprises a plurality of sections of sleeves which are sleeved in sequence from thick to thin; wherein, the thickest sleeve is fixed on the outer wall of the spraying box and is connected with a three-way control valve arranged in the spraying box; the three-way control valve is also respectively connected with an oil pump and an oil return pipe of the oil storage tank; the oil pump is also connected with an oil outlet pipe of the oil storage tank.
Each section of sleeve is internally provided with a piston, and each piston is connected with the next section of sleeve; the piston in the last section of sleeve is connected with a supporting rod; except the piston in the last section of sleeve, the rest pistons are provided with oil passing holes; and the inner wall of each section of sleeve is provided with a baffle ring for blocking the piston from coming off.
One end of the supporting rod is fixedly connected with the cover body; the cover body is connected with one end of a pull wire, and the other end of the pull wire is wound on a pull wire roller; the wire drawing roller is rotatably arranged on the outer wall of the spraying box; and a wire pulling motor for driving the wire pulling roller to rotate is further installed on the outer wall of the spraying box.
The two pull wires are symmetrically arranged on two sides of the central shaft of the sleeve; the cover body is further fixed with a nozzle, the nozzle is connected with a spray pipe, and the spray pipe is connected with a paint storage tank arranged in the spraying box.
When the oil pump supplies oil to the sleeve assembly through the three-way control valve, one way of the three-way control valve and the oil return pipe is closed at the moment; each section of sleeve of the sleeve assembly extends forwards in sequence until a piston in the sleeve touches the stop ring.
When the stay wire motor drives the stay wire roller to rotate, the stay wire drives all sections of sleeves of the sleeve assembly to retract in sequence, and at the moment, one path of the three-way control valve and one path of the oil return pipe are opened; the oil in each sleeve returns to the oil storage tank.
When the lifting cylinder extends out, the spraying box is lifted above the pipe body; the spraying box can move along the hanging rail along with the moving vehicle.
When the spraying box moves to a preset position above the pipe body, the lifting cylinder retracts, the spraying box descends to the position of the port of the pipe body, and the moving vehicle and the pipe body move at the same speed; the sleeve component extends out, and the nozzle enters the inner cavity of the tube body; the nozzle sprays paint to the inner wall of the pipe body in the extending process, and a uniform coating is formed on the inner wall of the pipe body along with the rotation of the pipe body.
According to the large-scale construction pipeline inner wall spraying conveying equipment, at least two lifting cylinders are provided.
According to the large-scale construction pipeline inner wall spraying conveying equipment, the spraying box is provided with the balancing weight.
According to the spraying conveying equipment for the inner wall of the large-scale construction pipeline, the drying box is arranged at the preset position of the conveying line.
According to the spraying and conveying equipment for the inner wall of the large-scale construction pipeline, the drying box is provided with a through hole for a pipe body to pass through; the periphery of the through pipe hole is annularly provided with a spirally wound coil; high-frequency current is introduced into the coil, the pipe body extending into the coil is heated, and the coating on the inner wall is dried.
According to the spraying and conveying equipment for the inner wall of the large-scale construction pipeline, two stay wires are arranged in a vertical plane, wherein the stay wire positioned below is movably connected with a plurality of lifting rings in a penetrating manner, each lifting ring is connected with a lifting rope, and the lifting ropes are also connected to the pipe body of the spray pipe; the stay wire is also penetrated and connected with the baffle plate.
According to the spraying and conveying equipment for the inner wall of the large-scale construction pipeline, the spray pipe is a hose and is coiled into a spiral shape.
The invention aims to provide spraying conveying equipment for the inner wall of a large-scale construction pipeline, wherein a movable spraying box is arranged above a conveying line, and a nozzle is arranged on a telescopic sleeve component, so that the inner wall of a pipe body is sprayed in the conveying process; the off-line spraying process and equipment are avoided, the production cost is greatly reduced, and the production efficiency is obviously improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure in the direction a in fig. 1.
Fig. 3 is a schematic view of the structure in the direction C in fig. 2.
Fig. 4 is a schematic view of the structure in the direction B in fig. 1.
In the figure: 1-conveying roller, 2-moving vehicle, 21-hanging rail, 22-lifting column, 23-lifting cylinder and 24-supporting plate; 3-spraying box, 31-oil storage tank, 32-oil pump, 33-three-way control valve, 34-balancing weight, 35-coating storage tank, and 36-blocking piece; 4-sleeve, 41-piston, 42-support rod, 43-cover body, 44-stay wire, 45-stay wire roller, 46-lifting ring, 47-lifting rope, 48-nozzle and 49-spray pipe; 5-drying box, 51-through pipe hole; 6-pipe body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined, without conflict, by one skilled in the art
And (4) merging and combining.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Referring to fig. 1, the invention provides a large-scale construction pipeline inner wall spraying conveying device, which comprises a conveying line, wherein the conveying line comprises a plurality of conveying roller sets which are arranged at equal intervals; referring to fig. 2, each of the conveying roller groups includes two conveying rollers 1; the conveying roller 1 rotates to drive the pipe body 6 to rotate and advance at the same time; the rotary transmission of the pipe bodies 6 on the conveying line is realized.
A hanging rail 21 is arranged above the conveying line in parallel, and a moving vehicle 2 is arranged on the hanging rail 21; a spraying box 3 is hung below the moving vehicle 2; the mobile vehicle 2 is provided with a lifting cylinder 23, the telescopic part of the lifting cylinder 23 is connected with a support plate 24, the support plate 24 is connected with a lifting column 22, and the lifting column 22 is fixedly connected with the top of the spraying box 3.
When the lifting cylinder 23 is extended, the spraying box 3 is lifted above the pipe body 6.
Referring to fig. 3, when the elevating cylinder 23 is retracted, the coating tank 3 is lowered to the port position of the tubular body 6.
Preferably, the number of the lifting cylinders 23 is at least two, and the stress of the supporting plate 24 is balanced.
Referring to fig. 3, a sleeve assembly which can horizontally stretch and retract is arranged on one side of the spraying box 3; the sleeve component comprises a plurality of sections of sleeves 4 which are sleeved in sequence from thick to thin; wherein, the thickest sleeve 4 is fixed on the outer wall of the spraying box 3, and the sleeve 4 is connected with a three-way control valve 33 arranged in the spraying box 3; the three-way control valve 33 is also respectively connected with an oil return pipe of the oil pump 32 and an oil return pipe of the oil storage tank 31; the oil pump 32 is also connected to the oil outlet pipe of the oil storage tank 31.
A piston 41 is arranged in each section of sleeve 4, and each piston 41 is connected with the next section of sleeve 4; the piston 41 in the last sleeve section 4 is connected with a support rod 42; except the piston 41 in the last section of the sleeve 4, oil passing holes are formed in the rest of the pistons 41; the inner wall of each sleeve 4 is provided with a retaining ring for preventing the piston 41 from coming off.
One end of the supporting rod 42 is fixedly connected with a cover body 43; the cover body 43 is connected with one end of a pull wire 44, and the other end of the pull wire 44 is wound on a pull wire roller 45; the wire drawing roller 45 is rotatably arranged on the outer wall of the spraying box 3; and a wire pulling motor for driving the wire pulling roller 45 to rotate is also arranged on the outer wall of the spraying box 3.
The two pull wires 44 are symmetrically arranged on two sides of the central shaft of the sleeve 4; a nozzle 48 is also fixed to the cover 43, said nozzle 48 being connected to a nozzle 49, said nozzle 49 being connected to a paint reservoir 35 arranged in the spray booth 3.
When the oil pump 32 supplies oil to the sleeve assembly through the three-way control valve 33, one way of the three-way control valve 33 and the oil return pipe is closed at the moment; the sleeves 4 of the sleeve assembly are sequentially extended forwards until the pistons 41 in the sleeves 4 touch the stop rings.
When the stay wire motor drives the stay wire roller 45 to rotate, the stay wire 44 drives each section of sleeve 4 of the sleeve assembly to retract in sequence, and at the moment, one path of the three-way control valve 33 and the oil return pipe is opened; the oil in each sleeve 4 returns to the oil storage tank 31.
Preferably, the two pull wires 44 are arranged in a vertical plane, wherein the pull wire 44 positioned below is movably connected with a plurality of hanging rings 46 in a penetrating manner, each hanging ring 46 is connected with a hanging rope 47, and the hanging ropes 47 are further connected to the pipe body of the spray pipe 49; the pull wire 44 also passes through the baffle 37; the baffle plate 37 is fixed on the outer wall of the thickest sleeve 4; when the pull cord 44 is wound back, the flap 37 blocks the hanging ring 46.
Preferably, the nozzle 49 is a hose and is coiled in a spiral shape; avoiding the spray pipe 49 from winding or knotting in the process of expansion and contraction.
When the lifting cylinder 23 retracts, the spraying box 3 descends to the position of the port of the pipe body 6; and the moving vehicle 2 and the pipe body 6 move at the same speed; the sleeve assembly is extended and the nozzle 48 enters the inner cavity of the tube body 6; nozzle 48 sprays paint onto the inner wall of tube 6 during the extension process, and a uniform coating is formed on the inner wall of tube 6 as it rotates.
When the sleeve assembly retracts, the mobile vehicle 2 stops moving, the nozzle 48 continues to spray paint, and paint is sprayed on the inner wall again as the tube body 6 advances with rotation; the coating layer reaches a certain thickness, and the phenomenon of coating leakage is avoided.
Preferably, the spraying box 3 is provided with a balancing weight 34 for balancing the stress of the spraying box 3.
The movable spraying box 3 is arranged above the conveying line, and the inner wall of the pipe body 6 is sprayed on the conveying line by arranging the nozzle 48 on the telescopic sleeve component; the production cost is reduced, and the production efficiency is improved.
Referring to fig. 4, as an embodiment, a drying box 5 is arranged at a predetermined position of the conveying line, and a through hole 51 for a pipe body 6 to pass through is formed in the drying box 5; the periphery of the through hole 51 is annularly provided with a spirally wound coil; high-frequency current is introduced into the coil, the pipe body 6 extending into the coil is heated, and the coating on the inner wall is dried. The current intensity is controlled, the heating temperature of the tube body 6 is prevented from being too high, and the drying requirement is met. The pipe body 6 is quickly dried after being sprayed, and a stable coating is formed.
In conclusion, the invention provides the inner wall spraying conveying equipment for the large-scale construction pipeline, the movable spraying box is arranged above the conveying line, and the nozzle is arranged on the telescopic sleeve component, so that the inner wall spraying of the pipe body is realized in the conveying process; the off-line spraying process and equipment are avoided, the production cost is greatly reduced, and the production efficiency is obviously improved.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The spraying and conveying equipment for the inner wall of the large-scale construction pipeline is characterized by comprising a conveying line, wherein the conveying line comprises a plurality of conveying roller sets which are arranged at equal intervals; a hanging rail is arranged in parallel right above the conveying line, and a moving vehicle is arranged on the hanging rail; a spraying box is hung below the moving vehicle; the movable trolley is provided with a lifting cylinder, the telescopic part of the lifting cylinder is connected with a support plate, the support plate is connected with a lifting column, and the lifting column is fixedly connected with the top of the spraying box;
each conveying roller group comprises two conveying rollers; the conveying roller rotates to drive the pipeline body to rotate and advance at the same time;
one side of the spraying box is provided with a sleeve assembly capable of horizontally stretching; the sleeve component comprises a plurality of sections of sleeves which are sleeved in sequence from thick to thin; wherein, the thickest sleeve is fixed on the outer wall of the spraying box and is connected with a three-way control valve arranged in the spraying box; the three-way control valve is also respectively connected with an oil pump and an oil return pipe of the oil storage tank; the oil pump is also connected with an oil outlet pipe of the oil storage tank;
each section of sleeve is internally provided with a piston, and each piston is connected with the next section of sleeve; the piston in the last section of sleeve is connected with a supporting rod; except the piston in the last section of sleeve, the rest pistons are provided with oil passing holes; the inner wall of each section of sleeve is provided with a baffle ring for blocking the piston from coming off;
one end of the supporting rod is fixedly connected with the cover body; the cover body is connected with one end of a pull wire, and the other end of the pull wire is wound on a pull wire roller; the wire drawing roller is rotatably arranged on the outer wall of the spraying box; the outer wall of the spraying box is also provided with a wire pulling motor for driving the wire pulling roller to rotate;
the two pull wires are symmetrically arranged on two sides of the central shaft of the sleeve; the cover body is also fixedly provided with a nozzle, the nozzle is connected with a spray pipe, and the spray pipe is connected with a coating storage tank arranged in the spraying box;
when the oil pump supplies oil to the sleeve assembly through the three-way control valve, one way of the three-way control valve and the oil return pipe is closed at the moment; each section of sleeve of the sleeve assembly extends forwards in sequence until a piston in the sleeve touches a stop ring;
when the stay wire motor drives the stay wire roller to rotate, the stay wire drives all sections of sleeves of the sleeve assembly to retract in sequence, and at the moment, one path of the three-way control valve and one path of the oil return pipe are opened; the oil in each section of sleeve returns to the oil storage tank;
when the lifting cylinder extends out, the spraying box is lifted above the pipeline body; the spraying box can move along the hanging rail along with the moving vehicle;
when the spraying box moves to a preset position above the pipeline body, the lifting cylinder retracts, the spraying box descends to the position of the port of the pipeline body, and the moving vehicle and the pipeline body move at the same speed; the sleeve assembly extends out, and the nozzle enters the inner cavity of the pipeline body; the nozzle sprays paint to the inner wall of the pipeline body in the extending process, and a uniform coating is formed on the inner wall of the pipeline body along with the rotation of the pipeline body.
2. The large construction pipeline inner wall spraying and conveying equipment as claimed in claim 1, wherein the number of the lifting cylinders is at least two.
3. The inner wall spraying and conveying equipment for the large-scale construction pipeline as claimed in claim 1, wherein a balancing weight is arranged on the spraying box.
4. The inner wall spraying and conveying equipment for the large-scale construction pipeline according to any one of claims 1 to 3, wherein a drying box is arranged at a preset position of the conveying line.
5. The large-scale construction pipeline inner wall spraying conveying equipment as claimed in claim 4, wherein the drying box is provided with a through hole for the pipeline body to pass through; the periphery of the through pipe hole is annularly provided with a spirally wound coil; high-frequency current is introduced into the coil, the pipeline body extending into the coil is heated, and the coating on the inner wall is dried.
6. The inner wall spraying and conveying equipment for the large-scale construction pipeline according to claim 5, wherein two pull wires are arranged in a vertical plane, wherein the pull wire positioned below is movably connected with a plurality of hanging rings in a penetrating manner, each hanging ring is connected with a lifting rope, and the lifting ropes are further connected with the pipe body of the spray pipe; the stay wire is also penetrated and connected with the baffle plate.
7. The inner wall spraying and conveying equipment for the large construction pipeline according to claim 6, wherein the spray pipe is a hose and is coiled into a spiral shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084684.8A CN112403744B (en) | 2021-01-22 | 2021-01-22 | Large-scale construction pipeline inner wall spraying conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084684.8A CN112403744B (en) | 2021-01-22 | 2021-01-22 | Large-scale construction pipeline inner wall spraying conveying equipment |
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| Publication Number | Publication Date |
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| CN112403744A CN112403744A (en) | 2021-02-26 |
| CN112403744B true CN112403744B (en) | 2021-05-04 |
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| CN202110084684.8A Expired - Fee Related CN112403744B (en) | 2021-01-22 | 2021-01-22 | Large-scale construction pipeline inner wall spraying conveying equipment |
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| CN112742640B (en) * | 2021-01-12 | 2022-06-17 | 山东惟德再制造科技有限公司 | Rust-proof agent obliterator for inner wall of steel pipe for rust-proof engineering |
| CN112974089B (en) * | 2021-04-21 | 2021-08-31 | 山东科技职业学院 | Pipe inner wall metal layer plating and conveying device |
| CN113441321B (en) * | 2021-08-31 | 2021-11-09 | 山东俊豪机械制造有限公司 | Pipe inner wall spraying device |
| CN113477449B (en) * | 2021-09-07 | 2021-11-19 | 山东俊豪机械制造有限公司 | Steel pipe conveying mechanism |
| CN114433431A (en) * | 2022-01-19 | 2022-05-06 | 武汉材料保护研究所有限公司 | Pipeline inner wall coating device based on friction drive |
| CN114889178B (en) * | 2022-05-24 | 2023-09-08 | 江苏奥瑞斯智能装备有限公司 | Environment-friendly low-loss spraying winding insulating pipe production line |
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| CA2864293A1 (en) * | 2012-02-13 | 2013-08-22 | Absolute Completion Technologies Ltd. | Apparatus for treating a wellbore screen and method |
| CN105665204B (en) * | 2016-02-03 | 2018-09-11 | 宜昌利民管业科技有限公司 | A kind of steel pipe inside and outside wall synchronization plastic-coated production equipment |
| CN105944886A (en) * | 2016-06-13 | 2016-09-21 | 禹州市新光铸造有限公司 | Pipeline spraying device |
| CN208194755U (en) * | 2017-12-31 | 2018-12-07 | 衡阳科盈钢管有限公司 | A kind of anti-corrosion inner tube layer erosion resistant coating spray equipment |
| CN210496961U (en) * | 2019-07-12 | 2020-05-12 | 湖北鑫吉药用包装股份有限公司 | Secondary internal spraying device for aluminum pipe |
| CN210614128U (en) * | 2019-08-31 | 2020-05-26 | 江苏扬子鑫福造船有限公司 | Pipeline rotary spraying device |
| CN212189738U (en) * | 2020-05-14 | 2020-12-22 | 沧州鑫隆管道防腐保温工程有限公司 | Anticorrosive spraying device of steel pipe |
| CN112206946B (en) * | 2020-09-30 | 2021-09-07 | 蚌埠市志诚涂装设备科技有限公司 | Movable internal and external spraying equipment for large-diameter steel pipe |
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- 2021-01-22 CN CN202110084684.8A patent/CN112403744B/en not_active Expired - Fee Related
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| CN112403744A (en) | 2021-02-26 |
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