CN214133154U - Pipeline inner wall laser rust cleaning device with adjustable focal length - Google Patents
Pipeline inner wall laser rust cleaning device with adjustable focal length Download PDFInfo
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- CN214133154U CN214133154U CN202022487900.7U CN202022487900U CN214133154U CN 214133154 U CN214133154 U CN 214133154U CN 202022487900 U CN202022487900 U CN 202022487900U CN 214133154 U CN214133154 U CN 214133154U
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
A laser rust removal device capable of adjusting focal length for the inner wall of a pipeline comprises a laser, a laser control box, a telescopic handheld pull rod, a fiber isolator, a hollow shaft, a hinge connecting rod mechanism, a motor base, a hollow motor, a laser cleaning head and a focusing hand wheel. One end of the optical fiber isolator is connected with the laser, and the other end of the optical fiber isolator is coupled and fixed inside the hollow shaft; the hinge connecting rod mechanism is fixed outside the hollow shaft and used for supporting and positioning the derusting device. The laser cleaning head is internally provided with a focusing field lens and a reflecting mirror, the hollow motor is used for driving the laser cleaning head to rotate 360 degrees in the pipeline, and the distance between the focusing field lens and the reflecting mirror can be adjusted by rotating a focusing hand wheel. The utility model discloses a position that laser focusing was adjusted to focusing hand wheel and the mode that can replace the focus field lens to combine, accommodation is big, and the precision is high, only needs to measure and waits to wash the pipeline internal diameter, rotates focusing hand wheel to corresponding scale, can open laser, and laser focusing position and pipeline inner wall coincidence completely, and is easy and simple to handle.
Description
Technical Field
The utility model relates to a laser rust cleaning, especially a pipeline inner wall laser rust cleaning device of adjustable focus.
Background
Industrial metal pipelines often corrode, and the service life of the pipelines is shortened. The corrosion of the pipeline can be effectively prevented by coating the inner and outer surfaces of the pipeline with the anticorrosive paint. The quality of rust removal from the pipe surface determines the adhesion of the coating to the pipe. Therefore, the inner wall of the pipeline is often subjected to rust removal treatment before the anticorrosive paint is coated.
The current commonly used methods for removing rust on the inner wall of the pipeline are a mechanical cleaning method, a sand blasting cleaning method and a chemical cleaning method. The mechanical cleaning method is mainly to control an electric brush and the like to remove rust and other pollutants on the inner surface of the pipeline. The main form of the sand blasting cleaning method is that sand materials are driven by high-pressure air to enter the interior of a pipeline, and a spraying effect is exerted on a relatively small area, so that the aim of removing rust is fulfilled. The chemical cleaning method is to soak the pipeline in chemical agent to make rust produce chemical reaction and reach the aim of rust removal. The three cleaning modes can achieve the purpose of removing rust of the pipeline, but the operation is complex and the environment is polluted.
At present, the technology for removing the rust of the pipeline by adopting the laser is more and more mature, and the method irradiates the removed target by utilizing the characteristics of high laser intensity, large energy density, strong focusing property and good directionality, so that the rust is melted, gasified and volatilized and instantly heated and expanded to be separated from the surface of the pipeline after absorbing the laser energy, thereby achieving the aim of removing the rust. The laser rust removal is high in efficiency, rapid, simple and convenient to operate, free of pollution to the environment, safe and reliable.
Before starting laser for derusting, the focal length of the laser is required to be ensured to be just coincident with the inner wall of the pipeline, otherwise, the laser energy can be weakened, and the efficiency of laser derusting is influenced. At present, the focal length of a pipeline inner wall rust removal device is mostly fixed, and the rust removal can only be carried out on the pipeline inner wall with a specific diameter, so that the application range of the pipeline inner wall laser rust removal device is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, provide a pipeline inner wall laser rust cleaning device of adjustable focus, can adjust laser focus according to the pipeline internal diameter of difference, make laser energy reach the highest in pipeline inner wall department, the rust cleaning is efficient, and the range of application is wide.
In order to achieve the above object, the technical solution of the present invention is as follows:
the utility model provides a pipeline inner wall laser rust cleaning device of adjustable focus which characterized in that: the laser cleaning device comprises a laser, a laser control box, a telescopic handheld pull rod, a fiber isolator, a hollow shaft, a hinge connecting rod mechanism, a motor base, a hollow motor, a laser cleaning head and a focusing hand wheel;
the hinge connecting rod structure comprises a fixed seat, four supporting rods, four rollers and a movable sleeve, wherein the fixed seat is cylindrical and is fixedly sleeved outside the tail end of the hollow shaft through a screw; the motor base is fixedly sleeved outside the other end of the hollow shaft through a screw, the movable sleeve is sleeved on the hollow shaft in an axially movable manner, the four support rods are respectively hinged and fixed with the fixed seat and the movable sleeve, and the four rollers are fixed at the tail ends of the four support rods;
the hollow motor is in a ring shape, a large through hole is formed in the center of the ring, one end of the laser cleaning head is fixedly connected with the ring of the hollow motor, and the hollow motor drives the laser cleaning head to rotate 360 degrees along the inner wall of the pipeline;
the laser cleaning head comprises a focusing field lens, a reflector fixing piece and a focal length adjusting piece, wherein the reflector is fixed on the reflector fixing piece, the reflector fixing piece is connected with the focusing hand wheel through the focal length adjusting piece, the reflector fixing piece and the focal length adjusting piece are in screw transmission, the rotary motion of the focusing hand wheel is converted into the linear motion of the reflector fixing piece, the reflector fixing piece can move along the axial direction by rotating the focusing hand wheel, and the relative distance between the reflector and the focusing field lens is changed, so that the adjustment of the laser focal length is realized;
one end of the optical fiber isolator is connected with the laser, and the other end of the optical fiber isolator is fixedly coupled inside the tail end of the hollow shaft; the laser output by the laser is focused on the inner wall of the pipeline to be derusted after being reflected by the optical fiber isolator, the hollow shaft, the motor base, the hollow motor, the focusing field lens and the reflector, and one end of the telescopic pull rod is connected with the tail end of the hollow shaft;
the hollow shaft adopts an internal hollow structure and is used for transmitting laser energy, and the laser light path is not blocked.
The hinge connecting rod mechanism can be adaptive to pipelines with different diameters, the angle between the supporting rods can be automatically adjusted according to the inner diameter of the pipeline, the inner wall rust removing device of the pipeline can be ensured to be tightly attached to the inner wall of the pipeline to move axially in the pipelines with different diameters, and meanwhile, the hinge connecting rod mechanism can play a role in supporting and positioning.
The surface of focusing hand wheel be carved with the focus scale, scale numerical value marks according to theoretical calculation's result and actual test's result, because pipeline internal diameter scope is 100 and supplyes medicine 500mm, focus scale on the focusing hand wheel is 100 and supplyes medicine 500mm equally.
One end of the telescopic pull rod is connected with the tail end of the hollow shaft through a screw, the other end of the telescopic pull rod is held by a hand, the length of the telescopic pull rod can be telescopically adjusted according to the length of the pipeline, the expansion length is 5m, and a user can conveniently remove rust on the inner wall of the pipeline with the length less than or equal to 5 m.
The laser control box is internally provided with laser control software and a touch screen, and is used for controlling the switching of a laser and the change of the laser shape and controlling the rotation of the hollow motor.
Compare with traditional pipeline inner wall laser rust cleaning device, the utility model has the advantages as follows:
firstly, the position of laser focusing is adjusted by adopting a mode of combining a focusing hand wheel and a replaceable focusing field lens, the adjusting range is large, the precision is high, only the inner diameter of a pipeline to be cleaned needs to be measured, the focusing hand wheel is rotated to a corresponding scale, then laser can be started, the laser focusing position is completely coincided with the inner wall of the pipeline, and the operation is simple and convenient.
Secondly, this device adopts the hollow motor of ring shape, rotates in a flexible way, steadily, and no backlash produces, can drive the cleaning head and rotate along 360 degrees on the pipeline inner wall, realizes that the pipeline inner wall does not have the dead angle rust cleaning.
Thirdly, the device adopts the telescopic pull rod with adjustable length, is suitable for the rust removal of the inner wall of a pipeline with the length within 5m, and has wide application range.
Drawings
FIG. 1 is a schematic structural view of the focal length adjustable laser rust removing device for the inner wall of the pipeline of the utility model;
FIG. 2 is a schematic structural view of a middle hinge link mechanism of the present invention;
in the figure, 1-laser, 2-laser control box, 3-telescopic hand-held pull rod, 4-optical fiber isolator, 5-hollow shaft, 6-hinge link mechanism, 7-motor base, 8-hollow motor, 9-laser cleaning head, 10-focusing field lens, 11-reflector, 12-reflector fixing piece, 13-focal length adjusting piece, 14-focusing hand wheel, 15-fixing base, 16-support rod, 17-roller and 18-movable sleeve
Detailed Description
The present invention will be further described with reference to the following drawings and examples, which should not be construed as limiting the scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural view of the focal length adjustable laser rust removing device for the inner wall of the pipeline according to the present invention, and it can be seen from the figure that the focal length adjustable laser rust removing device for the inner wall of the pipeline according to the present invention comprises a laser 1, a laser control box 2, a telescopic handheld pull rod 3, a fiber isolator 4, a hollow shaft 5, a hinge link mechanism 6, a motor base 7, a hollow motor 8, a laser cleaning head 9 and a focusing hand wheel 14;
the hinge connecting rod structure 6 comprises a fixed seat 15, four supporting rods 16, four rollers 17 and a movable sleeve 18, wherein the fixed seat 15 is cylindrical and is fixedly sleeved outside the tail end of the hollow shaft 5 through a screw; the motor base 7 is fixedly sleeved outside the other end of the hollow shaft 5 through a screw, the movable sleeve 18 is axially movably sleeved on the hollow shaft 5, the four support rods 16 are respectively hinged and fixed with the fixed seat 15 and the movable sleeve 18, and the four rollers 17 are fixed at the tail ends of the four support rods 16;
the hollow motor 8 is in a ring shape, a large through hole is formed in the center of the ring, one end of the laser cleaning head 9 is fixedly connected with the ring of the hollow motor 8, and the hollow motor 8 drives the laser cleaning head 9 to rotate 360 degrees along the inner wall of the pipeline;
the laser cleaning head 9 comprises a focusing field lens 10, a reflector 11, a reflector fixing piece 12 and a focal length adjusting piece 13, wherein the reflector 11 is fixed on the reflector fixing piece 12, the reflector fixing piece 12 is connected with a focusing hand wheel 14 through the focal length adjusting piece 13, the reflector fixing piece 12 and the focal length adjusting piece 13 are in screw transmission, the rotary motion of the focusing hand wheel 14 is converted into the linear motion of the reflector fixing piece 12, the reflector fixing piece 12 can move along the axial direction by rotating the focusing hand wheel 14, and the relative distance between the reflector 11 and the focusing field lens 9 is changed, so that the adjustment of the laser focal length is realized;
one end of the optical fiber isolator 4 is connected with the laser 1, and the other end is coupled and fixed in the hollow shaft 5; the laser output by the laser 1 is focused on the inner wall of the pipeline to be derusted after being reflected by the optical fiber isolator 4, the hollow shaft 5, the motor base 7, the hollow motor 8, the focusing field lens 10 and the reflector 11, and one end of the telescopic pull rod 3 is connected with the tail end of the hollow shaft 5;
the hollow shaft 5 adopts an internal hollow structure and is used for transmitting laser energy, and the laser light path is not blocked.
The hinge link mechanism 6 is adaptive to pipelines with different diameters, the angle between the support rods 16 can be automatically adjusted according to the inner diameters of the pipelines, the pipeline inner wall rust removal device can be ensured to be tightly attached to the inner wall of the pipeline to axially move in the pipelines with different diameters, and meanwhile, the support and positioning effects can be achieved.
The surface of the focusing hand wheel 14 is carved with focal length scales, the scale value is calibrated according to the result of theoretical calculation and the result of actual test, and the inner diameter range of the pipeline is 100 plus 500mm, and the focal length scales on the focusing hand wheel 14 are also 100 plus 500 mm.
One end of the telescopic pull rod 3 is connected with the tail end of the hollow shaft 5 through a screw, the other end of the telescopic pull rod is held by a hand, the length of the telescopic pull rod 3 can be telescopically adjusted according to the length of the pipeline, the expansion length is 5m, and a user can conveniently remove rust on the inner wall of the pipeline with the length less than or equal to 5 m.
The laser control box 2 is internally provided with laser control software and a touch screen and is used for controlling the switching of the laser 1 and the change of the laser shape and controlling the rotation of the hollow motor 8.
The hinge link mechanism 6 can be self-adaptive to pipelines with different diameters, the angle between the supporting rods 16 can be automatically adjusted according to the inner diameter of the pipeline, the pipeline inner wall rust removal device can be ensured to be tightly attached to the inner wall of the pipeline to axially move in the pipelines with different diameters, and meanwhile, the supporting and positioning effects can be achieved.
The focusing field lens 10 is used for focusing the divergent laser into a light beam with high energy density to meet the requirement of rust removal; the reflector 11 is used to adjust the transmission direction of the laser light so that the laser light can irradiate the inner wall of the pipeline.
The hollow motor 8 is in a ring shape, and a large through hole is formed in the center of the ring and used for passing through a laser light path; the hollow motor 8 is a stepping motor and is connected with the laser cleaning head 9 to drive the laser cleaning head 9 to rotate 360 degrees along the inner wall of the pipeline, so that the inner wall of the pipeline can be derusted without dead angles.
The reflector 11 is fixed inside the reflector fixing piece 12, the reflector fixing piece 12 and the focal length adjusting piece 13 are in threaded transmission, and the focusing hand wheel 14 is rotated to enable the reflector fixing piece 12 to move along the axial direction to change the relative distance between the reflector 11 and the focusing field lens 9, so that the adjustment of the laser focal length is realized.
The utility model discloses adjustable focus's pipeline inner wall laser rust cleaning device, at first adjust the laser focus according to the pipeline internal diameter when using, namely rotate the hand wheel 14 of focusing to the scale unanimous with the pipeline internal diameter; then the length of the telescopic pull rod 3 is adjusted according to the length of the pipeline; the roller 17 in the hinge linkage mechanism 6 is driven by the pressure of the inner wall of the pipeline to drive the movable sleeve 18 to move along the hollow shaft 5 so as to adapt to the diameter of the pipeline; laser beams are emitted from a laser 1, pass through an optical fiber isolator 4, enter a focusing field lens 10 for focusing, then enter a reflector 11 arranged at an angle of 45 degrees with the axial direction, and finally are focused and output on the inner wall of the pipeline needing rust removal along the radial direction of the pipeline; the hollow motor 7 drives the laser cleaning head 9 to rotate 360 degrees along the inner wall of the pipeline. The laser control box 2 can control the opening and closing of laser, and simultaneously controls the laser cleaning head 9 to rotate and work in the radial direction of the inner wall of the pipeline, so that the inner wall of the pipeline can be cleaned without dead angles.
Claims (6)
1. The utility model provides a pipeline inner wall laser rust cleaning device of adjustable focus which characterized in that: the laser cleaning device comprises a laser (1), a laser control box (2), a telescopic pull rod (3), a fiber isolator (4), a hollow shaft (5), a hinge connecting rod structure (6), a motor base (7), a hollow motor (8), a laser cleaning head (9) and a focusing hand wheel (14);
the hinge connecting rod structure (6) comprises a fixed seat (15), four supporting rods (16), four rollers (17) and a movable sleeve (18), wherein the fixed seat (15) is cylindrical and is fixedly sleeved outside the tail end of the hollow shaft (5) through a screw; the motor base (7) is fixedly sleeved outside the other end of the hollow shaft (5) through a screw, the movable sleeve (18) is sleeved on the hollow shaft (5) in an axially movable manner, the four support rods (16) are respectively hinged and fixed with the fixed seat (15) and the movable sleeve (18), and the four rollers (17) are fixed at the tail ends of the four support rods (16);
the hollow motor (8) is in a ring shape, a large through hole is formed in the center of the ring, one end of the laser cleaning head (9) is fixedly connected with the ring of the hollow motor (8), and the hollow motor (8) drives the laser cleaning head (9) to rotate 360 degrees along the inner wall of the pipeline;
the laser cleaning head (9) comprises a focusing field lens (10), a reflector (11), a reflector fixing piece (12) and a focal length adjusting piece (13), the reflector (11) is fixed on the reflector fixing piece (12), the reflector fixing piece (12) is connected with a focusing hand wheel (14) through the focal length adjusting piece (13), the reflector fixing piece (12) and the focal length adjusting piece (13) are in spiral transmission, the rotary motion of the focusing hand wheel (14) is converted into the linear motion of the reflector fixing piece (12), the reflector fixing piece (12) can move along the axial direction by rotating the focusing hand wheel (14), the relative distance between the reflector (11) and the focusing field lens (10) is changed, and therefore the adjustment of the laser focal length is achieved;
one end of the optical fiber isolator (4) is connected with the laser (1), and the other end of the optical fiber isolator is coupled and fixed in the hollow shaft (5); laser output by the laser (1) is focused on the inner wall of a pipeline to be derusted after being reflected by the optical fiber isolator (4), the hollow shaft (5), the motor base (7), the hollow motor (8), the focusing field lens (10) and the reflector (11), and one end of the telescopic pull rod (3) is connected with the tail end of the hollow shaft (5).
2. The focal length adjustable laser rust removal device for the inner wall of the pipeline as claimed in claim 1, wherein the hollow shaft (5) adopts an internal hollow structure and is used for transmitting laser energy and ensuring that a laser light path is not blocked.
3. The focal length adjustable pipeline inner wall laser rust removal device as claimed in claim 1, wherein the hinge connecting rod structure (6) is adaptive to pipelines with different diameters, the angle between the supporting rods (16) can be automatically adjusted according to the inner diameter of the pipeline, the pipeline inner wall rust removal device can be ensured to be tightly attached to the pipeline inner wall to axially move in the pipelines with different diameters, and meanwhile, the supporting and positioning effects can be achieved.
4. The focal length adjustable pipeline inner wall laser rust removal device as claimed in claim 1, wherein the surface of the focusing hand wheel (14) is engraved with focal length scales, the scale value is calibrated according to the result of theoretical calculation and the result of actual test, and the focal length scales on the focusing hand wheel (14) are also 100 and 500mm because the inner diameter range of the pipeline is 100 and 500 mm.
5. The focal length adjustable laser rust removal device for the inner wall of the pipeline as claimed in claim 1, wherein one end of the telescopic pull rod (3) is connected with the tail end of the hollow shaft (5) through a screw, the other end of the telescopic pull rod is held by a hand, the length of the telescopic pull rod (3) can be telescopically adjusted according to the length of the pipeline, the expansion length is 5m, and rust removal of the inner wall of the pipeline with the length less than or equal to 5m is facilitated for a user.
6. The focal length adjustable pipeline inner wall laser rust removal device according to any one of claims 1 to 5, characterized in that laser control software and a touch screen are arranged in the laser control box (2) and used for controlling the switching of the laser (1) and the change of the laser shape and controlling the rotation of the hollow motor (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022487900.7U CN214133154U (en) | 2020-11-02 | 2020-11-02 | Pipeline inner wall laser rust cleaning device with adjustable focal length |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022487900.7U CN214133154U (en) | 2020-11-02 | 2020-11-02 | Pipeline inner wall laser rust cleaning device with adjustable focal length |
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| CN214133154U true CN214133154U (en) | 2021-09-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054272A (en) * | 2021-10-09 | 2022-02-18 | 江苏大学 | Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint |
| CN114850136A (en) * | 2022-04-18 | 2022-08-05 | 江西中一建工集团有限公司 | Steel pipe internal rust removal device for construction site |
| CN115584494A (en) * | 2022-10-27 | 2023-01-10 | 西安热工研究院有限公司 | Method and device for improving steam oxidation resistance of small-caliber boiler tube of coal-fired boiler |
| CN117066699A (en) * | 2023-08-31 | 2023-11-17 | 上海建冶科技股份有限公司 | Laser rust removing equipment for steel member |
| WO2024061299A1 (en) * | 2022-09-22 | 2024-03-28 | 沈阳工业大学 | Laser cleaning apparatus for cleaning inner wall of oil pipeline |
-
2020
- 2020-11-02 CN CN202022487900.7U patent/CN214133154U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054272A (en) * | 2021-10-09 | 2022-02-18 | 江苏大学 | Device for cleaning inner wall of pipeline and preventing corrosion by laser and method for removing rust and spraying paint |
| CN114850136A (en) * | 2022-04-18 | 2022-08-05 | 江西中一建工集团有限公司 | Steel pipe internal rust removal device for construction site |
| WO2024061299A1 (en) * | 2022-09-22 | 2024-03-28 | 沈阳工业大学 | Laser cleaning apparatus for cleaning inner wall of oil pipeline |
| CN115584494A (en) * | 2022-10-27 | 2023-01-10 | 西安热工研究院有限公司 | Method and device for improving steam oxidation resistance of small-caliber boiler tube of coal-fired boiler |
| CN117066699A (en) * | 2023-08-31 | 2023-11-17 | 上海建冶科技股份有限公司 | Laser rust removing equipment for steel member |
| CN117066699B (en) * | 2023-08-31 | 2024-04-16 | 上海建冶科技股份有限公司 | Laser rust removing equipment for steel member |
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Effective date of registration: 20231204 Address after: Room E10, No. 889 Jiangcheng Road, Shangcheng District, Hangzhou City, Zhejiang Province, 310002 Patentee after: XIAN HENG INTERNATIONAL TECHNOLOGY CO.,LTD. Address before: 201800 room 1102, 811 Pingcheng Road, Juyuan New District, Jiading District, Shanghai Patentee before: ZHONGKE GUANGHUI (SHANGHAI) TECHNOLOGY CO.,LTD. |