CN113447498A - Boiler pipeline damage detection device under low-load condition - Google Patents
Boiler pipeline damage detection device under low-load condition Download PDFInfo
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- CN113447498A CN113447498A CN202110732821.4A CN202110732821A CN113447498A CN 113447498 A CN113447498 A CN 113447498A CN 202110732821 A CN202110732821 A CN 202110732821A CN 113447498 A CN113447498 A CN 113447498A
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- pipeline
- damage detection
- camera
- detection device
- sleeve
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000007123 defense Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
- G01N2021/9518—Objects of complex shape, e.g. examined with use of a surface follower device using a surface follower, e.g. robot
Abstract
The invention discloses a boiler pipeline damage detection device under a low-load condition, belongs to the field of pipeline damage detection, and aims to solve the problem that damage on peripheral pipelines cannot be detected when a boiler works, thereby easily causing the problem of potential safety hazard, the boiler pipeline damage detection device under the low-load condition can move along the pipeline length defense line on the detected pipeline, and the damage detection device is provided with a plurality of camera detection units which can detect the outer surface of the pipeline in multiple angles, the damage on the surface of the pipeline is fed back to the central detection chamber visually through the camera, so that the detection personnel can know the condition of the surface of the pipeline visually, find the state of the outer wall of the pipeline at the first time, the service environment and the service life of the pipeline are fully pre-judged, the pipeline is repaired in time, and production accidents caused by pipeline damage are avoided to the maximum extent.
Description
Technical Field
The invention belongs to the field of pipeline damage detection, and particularly relates to a boiler pipeline damage detection device under a low-load condition.
Background
The temperature and the pressure that the boiler produced in the course of the work are very big, these big pressure and high temperature can produce great influence to the peripheral pipeline form of boiler and surface along with the time growth of work, the form and the surface damage of pipeline have directly influenced the life of pipeline, if can not in time discover the damage on the pipeline, cause the production accident very easily, also caused very big potential safety hazard to factory safety simultaneously, consequently, in order to detect the damage condition of pipeline in time, it is very according with actual need to develop a boiler pipeline damage detection device under the low-load condition.
Disclosure of Invention
The invention provides a boiler pipeline damage detection device under a low-load condition, aiming at solving the problem that potential safety hazards are easily caused because damage on surrounding pipelines cannot be detected when a boiler works;
the device for detecting the damage of the boiler pipeline under the low-load condition comprises a control device and a control device, wherein the control device comprises a sleeve, a controller and N damage detection units, and N is a positive integer;
the controller is arranged on the outer wall of the sleeve and fixedly connected with the outer wall of the sleeve, the N damage detection units are circumferentially and equidistantly distributed on the inner wall of the sleeve, each vibration control unit is fixedly connected with the inner wall of the sleeve, and each damage detection unit is connected with the controller through a lead;
further, the value range of N is 3-6;
furthermore, the damage detection unit comprises a fixed seat, a guide plate, a camera and two guide wheels, one end of the fixed seat is fixedly connected with the inner wall of the sleeve, the camera is arranged on the fixed seat, a shell of the camera is fixedly connected with the other end of the fixed seat, a lens end of the camera faces the axis of the sleeve, the camera is connected with the controller through a lead, the fixed seat is arranged around the fixed seat, one end of the fixed seat is fixedly connected with the inner wall of the sleeve, the guide plate is arranged at the other end of the fixed seat, the other end of the fixed seat is fixedly connected with the back side of the guide plate, a circular through hole is processed in the middle of the guide plate, the circular through hole and the lens end of the camera are coaxially and correspondingly arranged, two strip-shaped through holes are symmetrically processed on two sides of the circular through hole, the extension direction of each strip-shaped through hole is the same as the extension direction of the axis of the sleeve, a guide wheel is arranged in each strip-shaped through hole and is rotationally connected with the guide plate;
furthermore, the inner side of the guide plate is provided with a cambered surface;
further, the aperture of the circular through hole is larger than the diameter of the lens end of the camera;
furthermore, the distance between the guide plate and the lens end of the camera is 3-5 mm;
compared with the prior art, the invention has the following beneficial effects:
1. the boiler pipeline damage detection device under the low-load condition can move on a detected pipeline along a pipeline length defense line, a plurality of camera detection units are arranged in the damage detection device, the outer surface of the pipeline can be detected in multiple angles, damage on the surface of the pipeline is fed back to a central detection chamber visually through a camera, so that a detector can know the surface condition of the pipeline visually, the state of the outer wall of the pipeline is found at the first time, the using environment and the service life of the pipeline are judged fully and predicted, the pipeline is repaired in time, and production accidents caused by pipeline damage are avoided to the maximum extent.
2. The boiler pipeline damage detection device under the low-load condition is simple in structure and convenient to install, and can be generally applied to complex pipeline systems of boilers.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a front view of a damage detection unit according to the present invention;
fig. 3 is a bottom view of the damage detecting unit of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and provides a boiler pipeline damage detection device under a low load condition, wherein the control device comprises a sleeve 1, a controller 2 and N damage detection units 3, wherein N is a positive integer;
The boiler pipeline damage detection device under the low-load condition can move on a detected pipeline along a pipeline length defense line, a plurality of camera detection units are arranged in the damage detection device, multi-angle detection can be carried out on the outer surface of the pipeline, damage on the surface of the pipeline is fed back to a central detection chamber visually through a camera, so that a detector can know the surface condition of the pipeline visually, the state of the outer wall of the pipeline is found at the first time, the using environment and the service life of the pipeline are judged fully and prejudged, the pipeline is repaired in time, and production accidents caused by pipeline damage are avoided to the maximum extent;
the sleeve 1 can be made into a split structure for convenience in installation, and the pipe body is formed in an inserting mode, so that the sleeve can be conveniently sleeved on a pipeline and can be conveniently detached from the pipeline.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the control device according to the first embodiment, and in the present embodiment, the value range of N is 3 to 6. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: referring to fig. 1 to 3, the present embodiment is described, and the present embodiment is further limited to N described in the second embodiment, in the present embodiment, the damage detection unit 3 includes a fixed seat 31, a fixed seat 32, a guide plate 33, a camera 34 and two guide wheels 35, one end of the fixed seat 31 is fixedly connected to the inner wall of the casing 1, the camera 34 is disposed on the fixed seat 31, a housing of the camera 34 is fixedly connected to the other end of the fixed seat 31, a lens end of the camera 34 is disposed toward the axis of the casing 1, the camera 34 is connected to the controller 2 through a wire, the fixed seat 32 is disposed around the fixed seat 31, one end of the fixed seat 32 is fixedly connected to the inner wall of the casing 1, the guide plate 33 is disposed on the other end of the fixed seat 32, and the other end of the fixed seat 32 is fixedly connected to the back side of the guide plate 33, a circular through hole is processed in the middle of the guide plate 33, and the circular through hole is coaxially and correspondingly arranged with the lens end of the camera 34, two strip-shaped through holes are symmetrically processed on two sides of the circular through hole, the extending direction of each strip-shaped through hole is the same as the extending direction of the axis of the sleeve 1, a guide wheel 35 is arranged in each strip-shaped through hole, and the guide wheel 35 is rotatably connected with the guide plate 33. Other components and connection modes are the same as those of the first embodiment.
In the embodiment, the camera 34 is mainly used for observing the outer surface of the pipeline, and the condition of the outer surface of the pipeline is transmitted to the central detection chamber through the controller 2, so that a detector can know the condition of the pipeline after working, the guide plate 33 is mainly used for bearing the guide wheel 35, the guide wheel 35 can reciprocate on the pipeline, the overall appearance of the pipeline is convenient to observe, the fixing frame 32 is made of flexible materials in consideration of the change of the form of the outer wall of the pipeline, the fixing frame can deform along with the deformation of the outer wall of the pipeline, and the guide wheel 35 is also a rubber wheel;
when the pipeline detection device is used, the working condition of the pipeline can be selected, or the non-working condition can be selected, the sleeve 1 can be manually driven to move along the length direction of the pipeline under the non-working condition, if the sleeve 1 can be arranged on the power unit under the working condition, the power unit drives the sleeve 1 to move along the length direction of the pipeline, the power unit can be a screw rod nut mechanism, a motor is used as a power source of a screw rod, and can also be a push rod motor or a hydraulic cylinder, but the push rod motor and the hydraulic cylinder are shorter and are suitable for detecting short-distance pipelines at corners.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the guide plate 33 according to the third embodiment, and in the present embodiment, the inner side of the guide plate 33 is provided as a curved surface. The other components and the connection mode are the same as those of the second embodiment.
So set up, the deflector 33 of being convenient for and the contact of pipeline outer wall improve the cooperation nature.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the present embodiment further defines the contact plate 34 according to the fourth embodiment, and in the present embodiment, the diameter of the circular through hole is larger than the diameter of the lens end of the camera 34. Other components and connection modes are the same as those of the third embodiment.
So set up, avoided circular through-hole undersize to influence the shooting wide angle of camera 34.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the present embodiment further defines the contact plate 34 according to the fourth embodiment, and in the present embodiment, the distance between the guide plate 33 and the lens end of the camera 34 is 3mm to 5 mm. The other components and the connection mode are the same as those of the fourth embodiment.
With the arrangement, in consideration of the expansion deformation of the outer surface of the pipeline after working, the fixing frame 32 may be compressed in the moving process of the guide wheel 35, so that the guide plate 33 is prevented from being too close to the camera 34 to damage the camera 34.
The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent variations by using the above-described structures and technical contents without departing from the scope of the present invention.
Principle of operation
When the detection device works, the detection device is firstly sleeved on a pipeline, each guide wheel 35 is ensured to be in contact with the pipeline, a certain gap is formed between each guide plate 33 and the corresponding camera 34, after the detection device is installed, the detection device can be manually driven to move along the pipeline according to the working condition of the pipeline, or the detection device can be driven to move along the pipeline by a power mechanism, under the non-working condition, the detection device can be manually driven to move along the pipeline and is communicated with workers in a detection room in real time through an interphone, under the working condition, the detection device can be driven to move along the pipeline by the power mechanism, the workers in the detection room can automatically adjust the position of the detection device on the pipeline through the power mechanism, the power mechanism takes a screw nut mechanism as an example, the power source is a forward and reverse rotating motor, and the workers in the detection room can control the forward rotation, the reverse rotation, the rotation and the rotation of the detection device, The reverse rotation and the stop rotation are used for controlling the position of the detection device on the pipeline and carrying out good detection on the outer surface of the pipeline.
Claims (6)
1. Boiler pipeline damage detection device under low-load condition, its characterized in that: the control device comprises a sleeve (1), a controller (2) and N damage detection units (3), wherein N is a positive integer;
the controller (2) is arranged on the outer wall of the sleeve (1), the controller (2) is fixedly connected with the outer wall of the sleeve (1), the N damage detection units (3) are distributed on the inner wall of the sleeve (1) along the circumferential direction at equal intervals, each vibration control unit (3) is fixedly connected with the inner wall of the sleeve (1), and each damage detection unit (3) is connected with the controller (2) through a wire.
2. The boiler pipeline damage detection device under low load condition as claimed in claim 1, characterized in that: the value range of N is 3-6.
3. The boiler pipeline damage detection device under low load condition as claimed in claim 2, characterized in that: the damage detection unit (3) comprises a fixed seat (31), a fixed frame (32), a guide plate (33), a camera (34) and two guide wheels (35), one end of the fixed seat (31) is fixedly connected with the inner wall of the sleeve (1), the camera (34) is arranged on the fixed seat (31), a shell of the camera (34) is fixedly connected with the other end of the fixed seat (31), a lens end of the camera (34) is arranged towards the axis of the sleeve (1), the camera (34) is connected with the controller (2) through a lead, the fixed frame (32) is arranged around the fixed seat (31), one end of the fixed frame (32) is fixedly connected with the inner wall of the sleeve (1), the guide plate (33) is arranged at the other end of the fixed frame (32), the other end of the fixed frame (32) is fixedly connected with the back side of the guide plate (33), a circular through hole is processed in the middle of the guide plate (33), and the round through hole is coaxially and correspondingly arranged with the lens end of the camera (34), two strip-shaped through holes are symmetrically processed on two sides of the round through hole, the extending direction of each strip-shaped through hole is the same as the extending direction of the axis of the sleeve (1), a guide wheel (35) is arranged in each strip-shaped through hole, and the guide wheel (35) is rotatably connected with the guide plate (33).
4. The boiler pipeline damage detection device under low load condition as claimed in claim 3, characterized in that: the inner side of the guide plate (33) is provided with a cambered surface.
5. The boiler pipeline damage detection device under low load condition as claimed in claim 4, characterized in that: the aperture of the circular through hole is larger than the diameter of the lens end of the camera (34).
6. The boiler pipeline damage detection device under low load condition as claimed in claim 5, characterized in that: the distance between the guide plate (33) and the lens end of the camera (34) is 3mm-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732821.4A CN113447498A (en) | 2021-06-29 | 2021-06-29 | Boiler pipeline damage detection device under low-load condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732821.4A CN113447498A (en) | 2021-06-29 | 2021-06-29 | Boiler pipeline damage detection device under low-load condition |
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| Publication Number | Publication Date |
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| CN113447498A true CN113447498A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110732821.4A Pending CN113447498A (en) | 2021-06-29 | 2021-06-29 | Boiler pipeline damage detection device under low-load condition |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372262A (en) * | 2015-12-17 | 2016-03-02 | 大连实远科技发展有限公司 | Outer surface defect inspection system for columnar object |
| CN110231350A (en) * | 2019-07-16 | 2019-09-13 | 贵州电网有限责任公司 | A kind of sample surfaces mass defect detection warning device |
| CN211652595U (en) * | 2019-12-11 | 2020-10-09 | 珠海市康安科技工程有限公司 | Pipeline detection device |
-
2021
- 2021-06-29 CN CN202110732821.4A patent/CN113447498A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372262A (en) * | 2015-12-17 | 2016-03-02 | 大连实远科技发展有限公司 | Outer surface defect inspection system for columnar object |
| CN110231350A (en) * | 2019-07-16 | 2019-09-13 | 贵州电网有限责任公司 | A kind of sample surfaces mass defect detection warning device |
| CN211652595U (en) * | 2019-12-11 | 2020-10-09 | 珠海市康安科技工程有限公司 | Pipeline detection device |
Non-Patent Citations (2)
| Title |
|---|
| 王鹰: "《连续输送机械设计手册》", 31 May 2001, 中国铁道出版社 * |
| 陈铮: "《工程训练教程》", 31 December 2019, 东华大学出版社 * |
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Application publication date: 20210928 |