CN220590478U - Inner wall spraying device for large-caliber water conveying pipeline - Google Patents
Inner wall spraying device for large-caliber water conveying pipeline Download PDFInfo
- Publication number
- CN220590478U CN220590478U CN202323292850.7U CN202323292850U CN220590478U CN 220590478 U CN220590478 U CN 220590478U CN 202323292850 U CN202323292850 U CN 202323292850U CN 220590478 U CN220590478 U CN 220590478U
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- China
- Prior art keywords
- sliding rail
- baffle plate
- wall
- spraying device
- upper sliding
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- 238000005507 spraying Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a spraying device for the inner wall of a large-caliber water conveying pipeline, which belongs to the technical field of spraying and comprises an upper sliding rail and a lower sliding rail which are arranged in parallel, wherein a sliding gap is arranged between the upper sliding rail and the lower sliding rail; a sliding block is sleeved on the upper sliding rail, and a spray gun group is arranged above the sliding block; the two ends of the upper sliding rail and the lower sliding rail are sleeved with two dust blocking assemblies which are symmetrically arranged, each dust blocking assembly comprises an annular baffle, a circular baffle and a sleeve, the annular baffle is connected with the circular baffle through a plurality of supporting wheels which are circumferentially distributed, and the sleeve penetrates through the circular baffle. The utility model can realize uniform spraying on the inner wall of the large-caliber water conveying pipeline, can solve the problem of powder overflow in the spraying process, and can effectively recycle the suspended powder in the pipeline.
Description
Technical Field
The utility model relates to a spraying device, in particular to a spraying device for the inner wall of a large-caliber water conveying pipeline, and belongs to the technical field of spraying.
Background
The water delivery pipeline is a tool for delivering liquid, and the inner wall of the water delivery pipeline is inevitably provided with problems of scaling, corrosion and the like in the use process, so that the liquid delivery work in the pipeline is affected, the service life of the pipeline is reduced, and the protection of the inner wall of the water delivery pipeline is particularly important.
In the prior art, aiming at the protection of the inner wall of a large-caliber metal water conveying pipeline, an anti-corrosion layer spraying mode is generally adopted to enhance the corrosion resistance of the pipeline. In the corrosion prevention process, after the large-caliber pipeline is heated to a certain temperature, corrosion prevention powder is sprayed to the inner wall of the pipeline, and the powder is melted and then uniformly covered on the inner wall of the pipeline to finish corrosion prevention.
However, in the spraying process, after the sprayed powder contacts with the inner wall of the pipeline, part of the powder can rebound and suspend inside the pipeline, so that a large amount of powder is suspended inside the pipeline, and in the case that the wind-proof work does not work in place in the spraying process, the gas in the pipeline flows, so that the powder suspended in the pipeline overflows outside the pipeline, thereby causing environmental pollution and waste of the powder.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the spraying device for the inner wall of the large-caliber water conveying pipeline, which can realize uniform spraying on the inner wall of the large-caliber water conveying pipeline, can solve the problem of powder overflow in the spraying process, and can effectively recycle the suspended powder in the pipeline.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the inner wall spraying device of the large-caliber water conveying pipeline comprises an upper sliding rail and a lower sliding rail which are arranged in parallel, a sliding gap is arranged between the upper sliding rail and the lower sliding rail, one ends of the upper sliding rail and the lower sliding rail are fixedly connected through a connecting block, the other ends of the upper sliding rail and the lower sliding rail are fixedly connected with the side wall of the movable box body, and the lower sliding rail extends into the movable box body and is connected with the negative pressure air suction device; a sliding block is sleeved on the upper sliding rail, and a spray gun group is arranged above the sliding block; the two ends of the upper sliding rail and the lower sliding rail are sleeved with two dust blocking assemblies which are symmetrically arranged, each dust blocking assembly comprises an annular baffle, a circular baffle and a sleeve, the annular baffle is connected with the circular baffle through a plurality of supporting wheels which are circumferentially distributed, and the sleeve penetrates through the circular baffle.
Further, a screw rod is arranged in the upper sliding rail along the length direction of the upper sliding rail, the screw rod is connected with the sliding block through a nut, the nut is fixedly connected with the sliding block, and the nut is in threaded connection with the screw rod.
Further, one end of the screw rod is connected with a motor, and the motor is arranged in the movable box body.
Further, the spray gun group comprises a plurality of spray guns which are arranged at equal intervals, and the spray guns are sequentially arranged along the movement direction of the sliding block.
Further, the central axes of annular baffle and circular baffle are the collinearly setting, and the external diameter of annular baffle is greater than the external diameter of circular baffle, and the internal diameter of annular baffle is less than the external diameter of circular baffle.
Further, the supporting wheels are distributed on the periphery of the circular baffle plate, and the supporting wheels are rotatably mounted on the side portions of the annular baffle plate.
Further, the periphery of the annular baffle is provided with a dust blocking brush with an annular structure, and the annular baffle is connected with the inner wall of the pipeline to be sprayed through the dust blocking brush.
Further, the lower slide rail is internally provided with a gas flow channel, the outer wall of the lower slide rail is provided with a plurality of uniformly distributed negative pressure air holes, and the negative pressure air holes are communicated with the gas flow channel in the lower slide rail.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
in the utility model, two dust blocking assemblies which are symmetrically arranged are arranged in two end parts of a pipeline to be sprayed, the pipeline drives the annular baffle to rotate along the periphery of the circular baffle in the spraying process, so that suspended powder generated by spraying is blocked in a space between the two dust blocking assemblies, and powder overflow is avoided; the motor drives the spray gun group to transversely move along the upper sliding rail, and the spray gun group uniformly sprays the inner wall of the pipeline to be sprayed in the rotating process; after the spraying is finished, the suspended powder between the two dust blocking assemblies is pumped away through the negative pressure air holes, so that the powder is effectively recovered.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic driving view of a slider;
FIG. 3 is a structural perspective view of the dust assembly;
FIG. 4 is a front elevational view of the dust assembly;
FIG. 5 is a right side view of the construction of the dust assembly;
fig. 6 is a schematic view of the present utility model in an operative state.
In the figure, 1-upper slide rail, 2-lower slide rail, 3-connecting block, 4-movable box, 5-slide block, 6-lead screw, 7-nut, 8-spray gun group, 9-dust blocking component, 901-annular baffle, 902-circular baffle, 903-supporting wheel, 904-sleeve, 10-carrier roller, 11-negative pressure air hole and 12-pipeline to be sprayed.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1-6 together, the utility model provides a spraying device for the inner wall of a large-caliber water conveying pipeline, which comprises an upper sliding rail 1 and a lower sliding rail 2 which are arranged in parallel.
The sliding gap is arranged between the upper sliding rail 1 and the lower sliding rail 2, one ends of the upper sliding rail 1 and the lower sliding rail 2 are fixedly connected through the connecting block 3, the other ends of the upper sliding rail 1 and the lower sliding rail 2 are fixedly connected with the side wall of the movable box body 4, and the lower sliding rail 2 extends into the movable box body 4.
The upper sliding rail 1 is sleeved with a sliding block 5, a screw rod 6 is arranged inside the upper sliding rail 1 along the length direction of the upper sliding rail, the screw rod 6 is connected with the sliding block 5 through a nut 7, the nut 7 is fixedly connected with the sliding block 5, and the nut 7 is in threaded connection with the screw rod 6.
One end of the screw rod 6 is connected with a motor, and the motor is arranged inside the movable box body 4. The motor drives the screw rod 6 to rotate forwards and backwards, so that the sliding block 5 can reciprocate leftwards and rightwards along the upper sliding rail 1.
The spray gun group 8 is installed to slider 5 top, and spray gun group 8 includes many spray guns that are equidistant setting, and many spray guns set gradually along the direction of motion of slider 5.
Two dust blocking assemblies 9 which are symmetrically arranged are sleeved at the two ends of the upper sliding rail 1 and the lower sliding rail 2, and the two dust blocking assemblies 9 are matched to avoid that suspended powder generated in the spraying process overflows from the two ends of a pipeline 12 to be sprayed.
The dust assembly 9 comprises an annular baffle 901, a circular baffle 902 and a sleeve 904.
The central axes of the annular baffle 901 and the circular baffle 902 are arranged in a collinear manner, the outer diameter of the annular baffle 901 is larger than that of the circular baffle 902, and the inner diameter of the annular baffle 901 is smaller than that of the circular baffle 902.
The annular baffle 901 is connected with the circular baffle 902 through a plurality of supporting wheels 903 distributed circumferentially, the supporting wheels 903 are distributed on the periphery of the circular baffle 902, the supporting wheels 903 are rotatably arranged on the side parts of the annular baffle 901, and the annular baffle 901 is rotatably connected with the circular baffle 902 through the supporting wheels 903.
The sleeve 904 penetrates through the circular baffle 902, the sleeve 904 is sleeved on the upper sliding rail 1 and the lower sliding rail 2, and the dust blocking assembly 9 can slide along the upper sliding rail 1 and the lower sliding rail 2.
The periphery of the annular baffle 901 is provided with a dust-blocking brush (not shown in the figure) with an annular structure, and the annular baffle 901 is connected with the inner wall of the pipeline 12 to be sprayed through the dust-blocking brush. The dust-blocking hairbrush is arranged to generate enough friction force, so that the annular baffle 901 can rotate along with the pipeline 12 to be sprayed, and suspended powder generated in the spraying process can be prevented from overflowing from a gap between the annular baffle 901 and the inner wall of the pipeline 12 to be sprayed.
The to-be-sprayed pipeline 12 is supported and driven to rotate through the carrier roller 10, and the spray gun group 8 realizes uniform spraying on the inner wall of the to-be-sprayed pipeline 12 in the rotating process.
The inside gas flow channel that is equipped with of lower slide rail 2, offered a plurality of negative pressure gas pockets 11 of evenly distributed on the lower slide rail 2 outer wall, negative pressure gas pocket 11 is linked together with the gas flow channel in the lower slide rail 2. The end part of the lower slide rail 2, which is positioned at the movable box body 4, is connected with a negative pressure air suction device.
The specific working principle of the utility model is as follows:
placing a pipeline 12 to be sprayed on a carrier roller 10, penetrating an upper sliding rail 1 and a lower sliding rail 2 into the pipeline 12 to be sprayed, sliding and adjusting the positions of dust blocking assemblies 9, and placing two symmetrically arranged dust blocking assemblies 9 into two end parts of the pipeline 12 to be sprayed; then the motor drives the screw rod 6 to realize the transverse movement of the sliding block 5 and the spray gun group 8 along the upper sliding rail 1, meanwhile, the carrier roller 10 drives the pipeline 12 to be sprayed to rotate, and the inner wall of the pipeline 12 to be sprayed is uniformly sprayed by the spray gun group 8 in the rotating process; in the spraying process, the pipeline 12 to be sprayed drives the annular baffle 901 to rotate along the periphery of the circular baffle 902, so that suspended powder generated by spraying is blocked in the space between the two dust blocking assemblies 9, and powder overflow is avoided; after the spraying is finished, the negative pressure air suction device works, and suspended powder between the two dust blocking assemblies 9 is pumped away through the negative pressure air holes 11 to be effectively recovered.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (8)
1. Spraying device for inner wall of large-caliber water conveying pipeline, and is characterized in that: the vacuum suction device comprises an upper sliding rail (1) and a lower sliding rail (2) which are arranged in parallel, wherein a sliding gap is formed between the upper sliding rail (1) and the lower sliding rail (2), one ends of the upper sliding rail (1) and the lower sliding rail (2) are fixedly connected through a connecting block (3), the other ends of the upper sliding rail (1) and the lower sliding rail (2) are fixedly connected with the side wall of a movable box body (4), and the lower sliding rail (2) extends into the movable box body (4) to be connected with the vacuum suction device; a sliding block (5) is sleeved on the upper sliding rail (1), and a spray gun group (8) is arranged above the sliding block (5); two dust blocking assemblies (9) which are symmetrically arranged are sleeved at two ends of the upper sliding rail (1) and the lower sliding rail (2), each dust blocking assembly (9) comprises an annular baffle plate (901), a circular baffle plate (902) and a sleeve (904), the annular baffle plates (901) are connected with the circular baffle plates (902) through a plurality of circumferentially distributed supporting wheels (903), and the sleeves (904) penetrate through the circular baffle plates (902).
2. The large-caliber water pipe inner wall spraying device as claimed in claim 1, wherein: the screw rod (6) is arranged in the upper sliding rail (1) along the length direction of the upper sliding rail, the screw rod (6) is connected with the sliding block (5) through a nut (7), the nut (7) is fixedly connected with the sliding block (5), and the nut (7) is in threaded connection with the screw rod (6).
3. The large-caliber water pipe inner wall spraying device as claimed in claim 2, wherein: one end of the screw rod (6) is connected with a motor, and the motor is arranged in the movable box body (4).
4. The large-caliber water pipe inner wall spraying device as claimed in claim 1, wherein: the spray gun group (8) comprises a plurality of spray guns which are arranged at equal intervals, and the spray guns are sequentially arranged along the movement direction of the sliding block (5).
5. The large-caliber water pipe inner wall spraying device as claimed in claim 1, wherein: the central axes of the annular baffle plate (901) and the circular baffle plate (902) are arranged in a collinear way, the outer diameter of the annular baffle plate (901) is larger than that of the circular baffle plate (902), and the inner diameter of the annular baffle plate (901) is smaller than that of the circular baffle plate (902).
6. The large-caliber water pipe inner wall spraying device as claimed in claim 5, wherein: the supporting wheels (903) are distributed on the periphery of the circular baffle plate (902), and the supporting wheels (903) are rotatably arranged on the side part of the annular baffle plate (901).
7. The large-caliber water pipe inner wall spraying device as claimed in claim 1, wherein: the periphery of the annular baffle plate (901) is provided with a dust blocking brush with an annular structure, and the annular baffle plate (901) is connected with the inner wall of a pipeline (12) to be sprayed through the dust blocking brush.
8. The large-caliber water pipe inner wall spraying device as claimed in claim 1, wherein: the inside gas runner that is equipped with of lower slide rail (2), a plurality of negative pressure gas pockets (11) of evenly distributed have been seted up on lower slide rail (2) outer wall, negative pressure gas pockets (11) are linked together with the gas runner in lower slide rail (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323292850.7U CN220590478U (en) | 2023-12-05 | 2023-12-05 | Inner wall spraying device for large-caliber water conveying pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323292850.7U CN220590478U (en) | 2023-12-05 | 2023-12-05 | Inner wall spraying device for large-caliber water conveying pipeline |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220590478U true CN220590478U (en) | 2024-03-15 |
Family
ID=90170822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323292850.7U Active CN220590478U (en) | 2023-12-05 | 2023-12-05 | Inner wall spraying device for large-caliber water conveying pipeline |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220590478U (en) |
-
2023
- 2023-12-05 CN CN202323292850.7U patent/CN220590478U/en active Active
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