CN214211056U - Powder spraying device for joint coating of epoxy powder of inner welding seam of pipeline - Google Patents
Powder spraying device for joint coating of epoxy powder of inner welding seam of pipeline Download PDFInfo
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- CN214211056U CN214211056U CN202023244827.7U CN202023244827U CN214211056U CN 214211056 U CN214211056 U CN 214211056U CN 202023244827 U CN202023244827 U CN 202023244827U CN 214211056 U CN214211056 U CN 214211056U
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Abstract
The utility model discloses a powder spraying device for repairing welding line epoxy powder in a pipeline, which comprises a vehicle body, a walking wheel, a material conveying mechanism and a powder spraying mechanism; the powder spraying mechanism comprises a spray gun, a rotating motor and a plurality of nozzles, the rotating motor is used for driving the spray gun to rotate, the nozzles are mounted at the front end of the spray gun, a rotating shell is mounted at the front end of a vehicle body, a rotating bearing is mounted in the rotating shell, a mounting bearing is mounted at the front end of the rotating shell, the outer side of the spray gun is rotatably connected with the mounting bearing, the rear portion of the spray gun is embedded in the rotating bearing, a port at the rear end of the spray gun is communicated with a conveying pipe, the rotating motor is mounted in the vehicle body, an output shaft of the rotating motor extends into the rotating shell and is connected with a rotating gear, and a gear meshed with the rotating gear is formed on the outer side of the rotating bearing. The automobile body gets into in the pipeline, and defeated material mechanism carries the powder to the mechanism that dusts, and the rotating electrical machines drive spray gun and drive 360 high-speed rotations of nozzle, and the powder is treated seam department even spraying through the nozzle to the pipeline, effectively improves the degree of consistency that dusts.
Description
Technical Field
The utility model belongs to the technical field of the repaired mouth is dusted to the pipeline, especially, relate to a powder injection device of pipeline inner weld epoxy powder repaired mouth.
Background
According to the requirement of a conveying medium, the pipeline needs to be subjected to internal corrosion prevention treatment before being put into use so as to protect the integrity of a pipeline corrosion prevention system. At the installation site, due to the high-temperature effect during welding, the anticorrosive coating of the area near the welding seam in the pipeline is damaged, the pipeline can be rusted in the operation process, and the pipeline is corroded to cause production accidents at the welding position, so that the anticorrosive treatment needs to be carried out on the inner surface of the welding seam of the pipeline.
At present, a spray gun of a powder spraying device of an epoxy powder joint coating vehicle in a pipeline is fixed, an air pump in the joint coating vehicle supplies air or air of an external air pump of the pipeline, and powder is conveyed to a spray gun nozzle through a conveying pipe to spray a pipeline welding seam. However, the existing powder spraying device has the defects that the powder spraying is not uniform, and the welding of the pipeline is not in accordance with the construction standard due to the influence of the nonuniform thickness of the coating on the inner wall of the pipeline during the construction operation in the small pipeline.
Therefore, in order to solve the above technical problems, it is necessary to develop a powder spraying device of an epoxy powder joint repairing vehicle in a pipeline, which can uniformly spray powder on a weld joint repairing part of the pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, spraying powder are even, be applicable to the interior construction operation's of small-size pipeline powder injection device of weld joint epoxy powder repaired mouth.
The technical scheme of the utility model as follows:
a powder spraying device for an epoxy powder joint coating of a welding line in a pipeline comprises: the method comprises the following steps: the device comprises a vehicle body, travelling wheels for driving the vehicle body to move, a material conveying mechanism arranged on the vehicle body and used for conveying powder, and a powder spraying mechanism arranged at the front end of the vehicle body and used for spraying epoxy powder to a pipeline welding seam;
the powder spraying mechanism comprises a powder spraying mechanism, a powder feeding mechanism and a powder conveying mechanism, wherein the powder spraying mechanism is arranged on a vehicle body, the powder spraying mechanism is arranged on the vehicle body, the powder feeding mechanism comprises a bin, a material pumping pipe, an air blower and a material conveying pipe, the bin is mounted on the vehicle body, the material pumping pipe is inserted into the bin, the bottom end of the material pumping pipe extends into the bottom of the bin, the other end of the material pumping pipe penetrates through the bin to be communicated with the air blower, the air blower pumps powder stored in the bin through the material pumping pipe, the air blowing end of the air blower is communicated with one end of the material conveying pipe, and the other end of the material conveying pipe is communicated with the powder spraying mechanism to be used for conveying the powder to the powder spraying mechanism;
the mechanism of dusting includes the spray gun, is used for driving the rotatory rotating electrical machines of spray gun and installs a plurality of nozzles at the spray gun front end, a swivel housing is installed to the front end of automobile body, and installs a swivel bearing in this swivel housing, an installation bearing is installed to the front end of swivel housing, the outside and the installation bearing of spray gun rotate to be connected, the rear portion of spray gun inlays the dress and is in the swivel bearing, and the port and the conveying pipeline intercommunication of this spray gun rear end, install a rotating electrical machines in the automobile body, the output shaft of rotating electrical machines stretches into the swivel housing and is connected with a rotating gear, the outside of rotating bearing is formed with the gear with rotating gear engaged with, and under rotating electrical machines's drive, rotating gear drives the rotating bearing and rotates to make the spray gun of adorning admittedly with the rotating bearing rotate and drive the nozzle rotation.
In the technical scheme, a cavity is formed in the spray gun, the feed end of each nozzle is communicated with the cavity of the spray gun, and the material conveying pipe conveys powder into the cavity under the action of the air blower.
In the technical scheme, the number of the nozzles is four, and the four nozzles are uniformly arranged at the front end of the spray gun along the axis of the spray gun.
In the above technical scheme, each nozzle is in an inverted trapezoid shape, and the discharge port of the nozzle is arranged towards the outer side.
In the technical scheme, the material pumping pipe comprises a vertical section and a horizontal section, one end of the horizontal section is connected with the vertical section, the other end of the horizontal section is connected with the air blower, the vertical section is inserted in the storage bin and used for generating negative pressure at an air inlet of the air blower when the air blower operates, and powder in the storage bin is pumped under the action of the negative pressure.
In the technical scheme, a ball valve is installed on the horizontal section of the material pumping pipe and used for controlling the operation or the end of the powder pumping.
In the above technical solution, an air volume controller is arranged at the front side of the blower for controlling the blowing air volume of the blower.
In the technical scheme, the bottom of the stock bin is provided with the horizontally arranged material conveying screw rod.
In the technical scheme, a driving motor is installed on the outer side of the storage bin, and an output shaft of the driving motor is connected with the material conveying screw rod.
In the technical scheme, the packing auger is formed on the outer side of the material conveying screw rod, and the material conveying screw rod rotates under the driving of the driving motor and pushes powder to the front end of the storage bin and the lower part of the material pumping pipe through the packing auger, so that the material pumping pipe can conveniently take the material.
In the technical scheme, the vehicle body is provided with the camera which is electrically connected with the external PLC controller and used for shooting images in the pipeline so as to position the position of the to-be-welded seam in the pipeline.
The utility model has the advantages and positive effects that:
1. the automobile body can get into in the pipeline, carries the powder in the mechanism to dusting through defeated material mechanism, drives the spray gun through the rotating electrical machines and drives 360 high-speed rotations of nozzle, and the powder is treated seam department spraying through the nozzle to treating of pipeline, and even spraying is treating seam repair mouth department, effectively improves the degree of consistency that dusts, makes the even controllable of thickness of pipeline inner wall coating, accords with the construction standard.
2. The structure of automobile body is rationally distributed, and occupation space is little, is fit for the construction operation in small-size pipeline, the simple operation.
Drawings
Fig. 1 is a schematic structural diagram of the powder spraying device of the present invention;
fig. 2 is a schematic structural diagram of the powder spraying device of the present invention.
In the figure:
1. nozzle 2, spray gun 3, rotating shell
4. Rotating electrical machines 5, walking wheels 6, camera
7. Air volume controller 8, blower 9 and material pumping pipe
10. Feed bin 11, conveying pipe 12 and driving motor
13. Ball valve 14, conveying screw 15 and vehicle body
16. Rotary bearing 17 and rotary gear
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the present disclosure, as defined by the following claims.
Example 1
As shown in fig. 1-2, the utility model discloses a powder spraying device of welding seam epoxy powder repaired mouth in pipeline, include: the device comprises a vehicle body 15, travelling wheels 5 for driving the vehicle body 15 to move, a material conveying mechanism arranged on the vehicle body 15 and used for conveying powder, and a powder spraying mechanism arranged at the front end of the vehicle body 15 and used for spraying epoxy powder to a pipeline welding seam;
the material conveying mechanism comprises a bin 10, a material pumping pipe 9, an air blower 8 and a material conveying pipe 11, the bin 10 is mounted on a vehicle body 15, the material pumping pipe 9 is inserted into the bin 10, the bottom end of the material pumping pipe 9 extends into the bottom of the bin 10, the other end of the material pumping pipe 9 penetrates through the bin 10 to be communicated with the air blower 8, the air blower 8 pumps powder stored in the bin 10 through the material pumping pipe 9, the blowing end of the air blower 8 is communicated with one end of the material conveying pipe 11, and the other end of the material conveying pipe 11 is communicated with the powder spraying mechanism to convey the powder to the powder spraying mechanism;
the powder spraying mechanism comprises a spray gun 2, a rotating motor 4 for driving the spray gun 2 to rotate and a plurality of nozzles 1 arranged at the front end of the spray gun 2, a rotating shell 3 is arranged at the front end of the vehicle body 15, and a rotary bearing 16 is installed in the rotary housing 3, a mounting bearing is installed at the front end of the rotary housing 3, the outer side of the spray gun 2 is rotationally connected with a mounting bearing, the rear part of the spray gun 2 is embedded in the rotary bearing 16, the port at the rear end of the spray gun 2 is communicated with the material conveying pipe 11, a rotating motor 4 (a high-speed rotating motor 4) is arranged in the vehicle body 15, the output shaft of the rotating motor 4 extends into the rotating shell 3 and is connected with a rotating gear, a gear meshed with the rotating gear 17 is formed on the outer side of the rotating bearing 16, under the drive of the rotating motor 4, the rotating gear 17 drives the rotating bearing 16 to rotate, so that the spray gun 2 fixedly mounted with the rotating bearing 16 rotates to drive the nozzle 1 to rotate.
Furthermore, a cavity is formed in the spray gun 2, the feeding end of each nozzle 1 is communicated with the cavity of the spray gun 2, and the material conveying pipe 11 conveys powder into the cavity under the action of the air blower 8.
Further, the number of the nozzles 1 is four, and four nozzles 1 are uniformly arranged at the front end of the spray gun 2 along the axis of the spray gun 2.
Further, each of the nozzles 1 has an inverted trapezoid shape, and the discharge port of the nozzle 1 faces outward.
Furthermore, the material pumping pipe 9 comprises a vertical section and a horizontal section, one end of the horizontal section is connected with the vertical section, the other end of the horizontal section is connected with the air blower 8, the vertical section is inserted in the storage bin 10 and used for generating negative pressure at an air inlet of the air blower 8 when the air blower 8 operates, and powder in the storage bin 10 is pumped under the action of the negative pressure.
Further, a ball valve 13(CWX micro electric ball valve 13) is installed on the horizontal section of the pumping pipe 9 for controlling the operation or the end of the pumping of the powder.
Further, an air volume controller 7 is provided at the front side of the blower 8 for controlling the blowing air volume of the blower 8.
The working principle of the utility model is as follows:
epoxy powder is filled into a bin 10, a vehicle body 15 enters a pipeline through a travelling wheel 5, an air blower 8 is started to extract the powder in the bin 10 and enter a material pumping pipe 9, the powder enters a material conveying pipe 11 through the material pumping pipe 9, the air blower 8 is controlled by an air volume controller 7 to blow the powder stored in the material conveying pipe 11 into a spray gun 2, a rotating motor 4 is started, a rotating bearing 16 is driven by the rotating motor 4 to rotate so as to enable the spray gun 2 fixed with the rotating bearing to rotate, a nozzle 1 installed at the front end of the spray gun 2 rotates for 360 degrees, uniform spraying of the epoxy powder to a welding line in the pipeline is achieved, the uniformity of powder spraying is improved, the thickness of a coating layer on the inner wall of the pipeline is controllable, and the construction standard is met.
Example 2
On the basis of the embodiment 1, a horizontally arranged material conveying screw 14 is installed at the bottom of the storage bin 10.
Further, a driving motor 12 is installed outside the storage bin 10, and an output shaft of the driving motor 12 is connected with a conveying screw 14.
Furthermore, an auger is formed outside the material conveying screw 14, and under the driving of the driving motor 12, the material conveying screw 14 rotates and pushes the powder to the front end of the storage bin 10 and the lower part of the material pumping pipe 9 through the auger, so that the material pumping pipe 9 can conveniently take the material.
Example 3
On the basis of embodiment 2, the vehicle body 15 is provided with the camera 6, and the camera 6 is electrically connected with an external PLC controller and is used for shooting images in the pipeline so as to position the position of a to-be-welded seam in the pipeline.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (10)
1. The utility model provides a powder spray device of welding seam epoxy powder repaired mouth in pipeline which characterized in that includes: the device comprises a vehicle body, travelling wheels for driving the vehicle body to move, a material conveying mechanism arranged on the vehicle body and used for conveying powder, and a powder spraying mechanism arranged at the front end of the vehicle body and used for spraying epoxy powder to a pipeline welding seam;
the powder spraying mechanism comprises a powder spraying mechanism, a powder feeding mechanism and a powder conveying mechanism, wherein the powder spraying mechanism is arranged on a vehicle body, the powder spraying mechanism is arranged on the vehicle body, the powder feeding mechanism comprises a bin, a material pumping pipe, an air blower and a material conveying pipe, the bin is mounted on the vehicle body, the material pumping pipe is inserted into the bin, the bottom end of the material pumping pipe extends into the bottom of the bin, the other end of the material pumping pipe penetrates through the bin to be communicated with the air blower, the air blower pumps powder stored in the bin through the material pumping pipe, the air blowing end of the air blower is communicated with one end of the material conveying pipe, and the other end of the material conveying pipe is communicated with the powder spraying mechanism to be used for conveying the powder to the powder spraying mechanism;
the mechanism of dusting includes the spray gun, is used for driving the rotatory rotating electrical machines of spray gun and installs a plurality of nozzles at the spray gun front end, a swivel housing is installed to the front end of automobile body, and installs a swivel bearing in this swivel housing, an installation bearing is installed to the front end of swivel housing, the outside and the installation bearing of spray gun rotate to be connected, the rear portion of spray gun inlays the dress and is in the swivel bearing, and the port and the conveying pipeline intercommunication of this spray gun rear end, install a rotating electrical machines in the automobile body, the output shaft of rotating electrical machines stretches into the swivel housing and is connected with a rotating gear, the outside of rotating bearing is formed with the gear with rotating gear engaged with, and under rotating electrical machines's drive, rotating gear drives the rotating bearing and rotates to make the spray gun of adorning admittedly with the rotating bearing rotate and drive the nozzle rotation.
2. A powder spraying device as claimed in claim 1, in which: a cavity is formed in the spray gun, the feeding end of each nozzle is communicated with the cavity of the spray gun, and the material conveying pipe conveys powder into the cavity under the action of the air blower.
3. A powder spraying device as claimed in claim 2, in which: the number of the nozzles is four, and the four nozzles are uniformly arranged at the front end of the spray gun along the axis of the spray gun.
4. A powder spraying device as claimed in claim 3, in which: each nozzle is in an inverted trapezoid shape, and a discharge port of each nozzle is arranged towards the outer side.
5. A powder spraying device as claimed in claim 4, in which: the material pumping pipe comprises a vertical section and a horizontal section, one end of the horizontal section is connected with the vertical section, the other end of the horizontal section is connected with the air blower, the vertical section is inserted in the storage bin and used for generating negative pressure at an air inlet of the air blower when the air blower operates, and powder in the storage bin is pumped under the action of the negative pressure.
6. A powder spraying device as claimed in claim 5, in which: and a ball valve is arranged on the horizontal section of the material pumping pipe and used for controlling the operation or the end of the powder pumping.
7. A powder spraying device as claimed in claim 6, in which: the front side of the blower is provided with an air volume controller for controlling the blowing air volume of the blower.
8. A powder spraying device as claimed in claim 7; the bottom of feed bin is installed the defeated material screw rod of a level setting.
9. A powder spraying device as claimed in claim 8, in which: a driving motor is installed on the outer side of the storage bin, and an output shaft of the driving motor is connected with the material conveying screw rod.
10. A powder spraying device as claimed in claim 9, in which: the auger is formed on the outer side of the material conveying screw rod, and under the driving of the driving motor, the material conveying screw rod rotates and pushes powder to the front end of the storage bin and the lower part of the material pumping pipe through the auger, so that the material pumping pipe can conveniently take the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244827.7U CN214211056U (en) | 2020-12-29 | 2020-12-29 | Powder spraying device for joint coating of epoxy powder of inner welding seam of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244827.7U CN214211056U (en) | 2020-12-29 | 2020-12-29 | Powder spraying device for joint coating of epoxy powder of inner welding seam of pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN214211056U true CN214211056U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023244827.7U Active CN214211056U (en) | 2020-12-29 | 2020-12-29 | Powder spraying device for joint coating of epoxy powder of inner welding seam of pipeline |
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| CN (1) | CN214211056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354267A (en) * | 2022-08-16 | 2022-11-18 | 国网福建省电力有限公司 | Pipeline internal weld joint anticorrosion electric arc spraying device and using method thereof |
-
2020
- 2020-12-29 CN CN202023244827.7U patent/CN214211056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354267A (en) * | 2022-08-16 | 2022-11-18 | 国网福建省电力有限公司 | Pipeline internal weld joint anticorrosion electric arc spraying device and using method thereof |
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