CN210719050U - Pipeline deformation detection device and pipeline crawler - Google Patents
Pipeline deformation detection device and pipeline crawler Download PDFInfo
- Publication number
- CN210719050U CN210719050U CN201921938955.6U CN201921938955U CN210719050U CN 210719050 U CN210719050 U CN 210719050U CN 201921938955 U CN201921938955 U CN 201921938955U CN 210719050 U CN210719050 U CN 210719050U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- camera
- conical surface
- detection device
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model provides a pipeline warp detection device and pipeline crawler. Wherein, pipeline deformation detection device includes: a laser emitter for generating a point light source; the inner reflection conical surface is used for reflecting the light rays emitted by the point light source and forming an aperture on the inner wall of the pipeline; a camera for photographing the aperture; wherein the viewing angle of the camera is not smaller than the cone angle of the internal reflection conical surface. The pipeline deformation detection device is small in size and convenient to use.
Description
Technical Field
The utility model relates to a pipeline inspection technical field especially relates to a pipeline warp detection device and pipeline crawler.
Background
Drainage pipe in the city is numerous, and in order to guarantee drainage pipe's normal use, need regularly detect the pipeline, if discover that the pipeline takes place to warp, just need in time maintain or change.
At present, the equipment for detecting the pipeline mainly comprises a circular laser lamp, a camera and the like. The circular laser beam that utilizes the laser lamp to send forms the diaphragm on the inner wall of pipeline, and the diaphragm is shot to the rethread camera, then compares the diaphragm of will shooting with the standard diaphragm, judges whether the pipeline takes place to warp from this.
The camera visual angle that adopts at present is less, in order to shoot the diaphragm, needs to set up certain distance between camera and the laser lamp. When inspecting pipes with large internal diameters, the distance between the camera and the laser light may exceed 2 meters, which may cause great difficulty in using the apparatus.
However, if a wide-angle lens is adopted, the photographed aperture can be seriously deformed, thereby affecting the detection result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a pipeline deformation detection device and pipeline crawl device for there is the inconvenient problem of use in the equipment that is used for detecting the pipeline among the solution prior art.
In order to solve the above problem, the utility model provides a: a pipe deformation detecting device comprising:
a laser emitter for generating a point light source;
the inner reflection conical surface is used for reflecting the light rays emitted by the point light source and forming an aperture on the inner wall of the pipeline;
a camera for photographing the aperture;
wherein the viewing angle of the camera is not smaller than the cone angle of the internal reflection conical surface.
As a further improvement of the above technical solution, the axes of the internal reflection conical surface and the lens of the camera are collinear;
the point light source is positioned on the axis of the internal reflection conical surface.
As a further improvement of the above technical solution, the laser emitter and the internal reflection conical surface are both fixed inside a connecting piece.
As a further improvement of the above technical solution, the connecting member includes a light-permeable tube.
As a further improvement of the above technical solution, the connecting member is connected to the camera through a bracket.
The utility model discloses still provide: a pipeline crawler comprises a walking mechanism and the pipeline deformation detection device;
the pipeline deformation detection device is arranged on the travelling mechanism.
As a further improvement of the above technical solution, the traveling mechanism includes a housing and a roller disposed at the bottom of the housing.
As a further improvement of the above technical solution, a driving motor for driving the roller to rotate is arranged inside the housing.
As a further improvement of the above technical solution, the driving motor is electrically connected to a power module.
As a further improvement of the above technical solution, the power module includes a lithium battery.
The utility model has the advantages that: the utility model provides a pipeline deformation detection device, including laser emitter, internal reflection conical surface and camera.
Placing a pipeline deformation detection device in a pipeline; starting a laser emitter, wherein laser emitted by a point light source forms a conical light beam after passing through an internal reflection conical surface, and the light beam irradiates on the inner wall of the pipeline to form an aperture; the lower aperture is photographed by a camera. Then, the staff compares the diaphragm of the drainage with the standard diaphragm, and can analyze whether the pipeline at the position of the diaphragm is deformed.
The visual angle of the camera is not smaller than the cone angle of the internal reflection cone surface, so the laser emitter only needs to be arranged in front of the camera without arranging larger space.
The pipeline deformation detection device is small in size and convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 shows a schematic view of a pipeline inspection device;
FIG. 2 shows a schematic view of a standard aperture;
FIG. 3 shows a schematic view of an anamorphic aperture;
FIG. 4 shows a schematic view of a connector;
FIG. 5 shows a schematic view of a pipeline crawler.
Description of the main element symbols:
1-a pipeline deformation detection device; 2-a laser emitter; 3-internal reflection conical surface; 4-a camera; 5-standard aperture; 6-anamorphic aperture; 7-a connector; 8-a scaffold; 9-a traveling mechanism; 10-a roller; 11-pipeline.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
In order to enhance the management of urban drainage pipelines, the drainage pipelines need to be detected and maintained regularly, so that the normal operation of the drainage pipelines is guaranteed.
The layout and the structure of the drainage pipeline are complex, and a detection device with small size is required when the deformation condition of the drainage pipeline is detected. If the size of the detection device is too large, it is difficult to place the detection device in the drainage pipeline and to perform operations such as turning in the drainage pipeline.
For this reason, in the present embodiment, a pipe deformation detecting apparatus 1 is proposed which is small in size and convenient to use.
Referring to fig. 1, a pipe deformation detecting device 1 includes a laser emitter 2, an internal reflection conical surface 3, and a camera 4. Wherein the content of the first and second substances,
a laser emitter 2 for generating a point light source;
the internal reflection conical surface 3 is used for reflecting the light rays emitted by the point light source and forming an aperture on the inner wall of the pipeline;
and a camera 4 for photographing the aperture.
In the present embodiment, the angle of view of the camera 4 is not smaller than the cone angle of the internally reflective conical surface 3.
In this embodiment, the laser emitter 2 may be a laser light emitting diode, wherein the laser light emitting diode may provide a red point light source.
As shown in FIG. 5, the angle of view of the camera 4 is α, the cone angle of the internal reflection conical surface 3 is β, wherein α is equal to or more than β. in FIG. 5, the pipeline deformation detecting device 1 and the walking structure are both located in the pipeline 11.
The aperture is formed by irradiating the point light source on the inner wall of the pipeline after passing through the internal reflection conical surface 3, so that the light beam formed by the point light source under the action of the internal reflection conical surface 3 is also conical, and the cone angle of the light beam is also β.
In this embodiment, the inner reflective conical surface 3 can be disposed in a reflector. The interior of the reflector is a conical hollow structure, wherein a reflecting layer capable of reflecting light rays is arranged on the inner wall of the hollow structure, so that an internal reflection conical surface 3 is formed.
The reflecting member can be made of glass, metal and the like. The outer contour of the reflecting piece can be arranged to be cylindrical or cuboid and the like.
In the present embodiment, the pipe deformation detecting apparatus 1 is used substantially as follows:
discharging the water in the pipeline and closing the relevant valve;
placing the pipeline deformation detection device 1 in a pipeline, adjusting the position of the pipeline deformation detection device 1, and ensuring that the point light source is positioned on the axis of the pipeline as far as possible, wherein the vertical distance between the point light source and the axis of the pipeline is not more than 5cm under general conditions;
starting the laser emitter 2, wherein laser emitted by the point light source passes through the internal reflection conical surface to form a light beam, and the light beam irradiates on the inner wall of the pipeline to form an aperture;
shooting the lower aperture by the camera 4;
the staff compares the diaphragm of drainage with standard diaphragm 5, and the analysis reachs whether the pipeline of diaphragm position department takes place to warp.
As shown in fig. 2, a schematic view of a standard aperture 5; as shown in fig. 3, is a schematic view of a deformed aperture 6 photographed within a deformed pipe.
The standard diaphragm 5 may be obtained in advance by the pipe deformation detecting apparatus 1. The staff can place pipeline deformation detection device 1 in the standard pipeline that the circularity accords with the standard, then shoot down the diaphragm to store it on corresponding computer terminal, at this moment, shoot and obtain the diaphragm and be standard diaphragm 5. Wherein, the standard pipeline has the same specification and size as the pipeline to be measured.
In addition to the above comparison method, the method can also calculate the parameters such as roundness of the shot aperture and the like through software such as Mathematica and the like to obtain the deformation rate of the pipeline, thereby judging whether the pipeline meets the use specification. The result obtained by using a software calculation method is more accurate.
The standard and specification of pipeline detection can refer to the national people's republic of China industry standard (CJJ181-2012 docket number J1441-2012) and urban drainage pipeline detection and evaluation technical regulation. The staff can be according to relevant standard, whether the deformation degree of the pipeline that judges that detects accords with the standard requirement.
In this embodiment, since the angle of view of the camera 4 is not smaller than the cone angle of the internally reflecting conical surface 3, the laser emitter 2 only needs to be arranged in front of the camera 4, and does not need to be arranged at a large distance.
In general, the distance between the laser emitter 2 and the lens of the camera 4 can be set between 0cm and 50 cm. If special requirements exist, the adjustment can be carried out according to the actual situation.
It is to be noted that the visible distance of the camera 4 is not smaller than the distance between the aperture and the lens of the camera 4.
In order to obtain better shooting effect, the axes of the internal reflection conical surface 3 and the lens of the camera 4 are collinear, and meanwhile, the point light source is positioned on the axis of the internal reflection conical surface 3.
In this embodiment, the laser emitter 2 and the internally reflective conical surface 3 may both be fixed inside a connecting piece 7.
As shown in fig. 4, the laser emitter 2 may be installed at the left end of the connector 7, and the internal reflection conical surface 3 may be disposed at the right end of the connector 7. When the laser emitter 2 is installed, the tip of the internal reflection conical surface 3 faces the laser emitter 2, so that the emitted light beam is ensured to be conical.
When the laser emitter 2 is started, light rays emitted by the point light source enter the internal reflection conical surface 3; then, a cone-shaped light beam is formed after the reflection of the internal reflection conical surface 3; the light beam then emerges from the connection 7 and forms an aperture on the inner wall of the pipe.
The connecting piece 7 comprises a light-permeable tube, whereby the right-hand end of the light beam is made to emerge from the connecting piece 7, so that an aperture is formed on the inner wall of the pipe.
The tube body can be made of materials with high light transmittance such as glass, plastic and the like. In order to prevent light from being emitted from the side wall of the connecting member 7, a light-impermeable layer, such as a black adhesive tape, may be disposed on the outer surface of the side wall of the connecting member 7.
In this embodiment, the internal reflection conical surface 3 can be directly arranged inside the connecting piece 7. The right side of the connecting piece 7 is provided with a conical hole, and the inner wall of the conical hole is coated or sprayed with a reflecting film capable of reflecting light rays, so that the internal reflection conical surface 3 can be formed.
To facilitate mounting of the connector 7, the connector 7 may be connected to the camera 4 via a bracket 8.
In the present embodiment, the holder 8 is retractable in the axial direction along the lens of the camera 4. The distance between the connecting piece 7 and the camera 4 can be adjusted by the staff by changing the length of the bracket 8.
Wherein, the bracket 8 can be made of a telescopic rod and the like.
Example two
In order to improve the maneuverability of the pipeline deformation detection device 1, the pipeline deformation detection device 1 can be driven to run in the pipeline through the running mechanism 9, so that the deformation degree of the pipeline can be detected more efficiently.
Referring to fig. 5, in the present embodiment, a pipeline crawler is provided, which includes a traveling mechanism 9 and a pipeline deformation detecting device 1, where the pipeline deformation detecting device 1 is disposed on the traveling mechanism 9. The structure of the pipe deformation detecting device 1 can refer to the first embodiment.
The traveling mechanism 9 includes a housing and rollers 10 provided at the bottom of the housing. To prevent slipping, the roller 10 may be provided with anti-slip lines.
A drive motor may be disposed within the housing. The roller 10 is driven to rotate by the driving motor, thereby realizing the movement of the pipeline crawler. Wherein, in order to improve the output torque, the driving motor can be in transmission connection with the wheel axle provided with the roller 10 through mechanisms such as a gear box and the like.
In order to supply power to the power consumption units such as the driving motor, the camera 4 and the like can be electrically connected with a power supply module. Wherein, the power module can adopt a lithium battery or a dry battery.
The power module may be mounted inside the housing. In order to prevent short circuit due to water inflow, the housing may employ a sealing box, wherein a sealing member such as a sealing ring may be provided inside the housing.
In this embodiment, a lifting device may be provided on the housing, wherein the pipe deformation detecting device 1 may be mounted on the lifting device. Before detecting, staff's accessible elevating gear adjusts the height of pipeline deformation detection device 1.
Preferably, the lifting device may use a micro cylinder or an electric push rod.
In this embodiment, the pipeline crawler may be controlled in a wired or wireless direction, and meanwhile, signals may be transmitted in a wired or wireless manner. Accordingly, the information captured by the camera 4 of the pipe deformation detecting apparatus 1 is also transmitted to a computer or other terminal in a wired or wireless manner.
In this embodiment, the housing may be provided with a control module, a wireless transmission module, and the like. The control module may include a processor, and the wireless transmission module may include a bluetooth module, a wifi module, an infrared ray receiving module, etc.
The pipeline crawler enters the pipeline, and the laser emitter 2 and the camera 4 are started. During the process of advancing in the pipeline, the diaphragm can move along the inner wall of the pipeline continuously, and at the moment, the camera 4 can shoot and record the shape change of the diaphragm.
The content taken by the camera 4 may be stored in a memory unit or transmitted to a terminal in real time for analysis by a worker.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A pipe deformation detecting device, comprising:
a laser emitter for generating a point light source;
the inner reflection conical surface is used for reflecting the light rays emitted by the point light source and forming an aperture on the inner wall of the pipeline;
a camera for photographing the aperture;
wherein the viewing angle of the camera is not smaller than the cone angle of the internal reflection conical surface.
2. The pipe deformation sensing device of claim 1, wherein the axes of the internally reflective conical surface and the lens of the camera are collinear;
the point light source is positioned on the axis of the internal reflection conical surface.
3. The pipe deformation sensing device of claim 1, wherein said laser transmitter and said internally reflective conical surface are each secured to the interior of a coupling member.
4. The pipe deformation sensing device of claim 3, wherein said connector comprises a light permeable tube.
5. The pipe deformation sensing device of claim 3, wherein said connector is connected to said camera by a bracket.
6. A pipeline crawler comprising a running mechanism and the pipeline deformation detection device of any one of claims 1-5;
the pipeline deformation detection device is arranged on the travelling mechanism.
7. The pipe crawler according to claim 6, wherein the traveling mechanism comprises a housing and rollers disposed at a bottom of the housing.
8. The pipeline crawler according to claim 7, wherein a drive motor for driving the rollers to rotate is disposed inside the housing.
9. The pipeline crawler according to claim 8, wherein the driving motor is electrically connected with a power module.
10. The pipeline crawler of claim 9, wherein the power module comprises a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938955.6U CN210719050U (en) | 2019-11-08 | 2019-11-08 | Pipeline deformation detection device and pipeline crawler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938955.6U CN210719050U (en) | 2019-11-08 | 2019-11-08 | Pipeline deformation detection device and pipeline crawler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210719050U true CN210719050U (en) | 2020-06-09 |
Family
ID=70926015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921938955.6U Active CN210719050U (en) | 2019-11-08 | 2019-11-08 | Pipeline deformation detection device and pipeline crawler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210719050U (en) |
-
2019
- 2019-11-08 CN CN201921938955.6U patent/CN210719050U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110235057A1 (en) | Method for measurement of the thickness of any deposit of material on inner wall of a pipeline | |
| CN209513657U (en) | A kind of automobile chassis detection device and system | |
| ITBO20090617A1 (en) | APPARATUS AND PROCEDURE FOR VERIFICATION OF THE STRUCTURE OF A VEHICLE. | |
| CN106984926A (en) | A kind of seam tracking system and welding seam tracking method | |
| CN101750022B (en) | Sintering layer thickness on-line detecting method | |
| KR101124249B1 (en) | Measurment information collecting system using gps for manhole | |
| KR101311357B1 (en) | Internal Exploration Equipment of Pipeline | |
| CN210719050U (en) | Pipeline deformation detection device and pipeline crawler | |
| KR102421133B1 (en) | Pipeline inspection system including an intelligent pipeline inspection robot equipped with an infrared sensor and a gyroscope sensor | |
| CN114627610A (en) | Disaster situation processing method and device based on image recognition | |
| CN106099750A (en) | A kind of electrical network long-distance monitorng device | |
| EP3311745B1 (en) | Mobile x-ray imaging apparatus | |
| CN204535962U (en) | Portable automobile headlamp aligner | |
| JP2017203738A (en) | Rehabilitation method of existing pipe and connection port location measuring apparatus | |
| CN108106997A (en) | Overhanging detection device and its overhanging loading device | |
| CN213776828U (en) | Pipeline robot crawler | |
| CN209101178U (en) | Self-interacting type lighting device suitable for tunnel | |
| JP2609554B2 (en) | Bubble measuring device | |
| CN209999196U (en) | robot for power pipeline inspection | |
| CN213065138U (en) | Pipeline leak source detection robot | |
| KR20210072997A (en) | Sewer pipe photographing apparatus | |
| CN111629182A (en) | Multifunctional rotary lens for pipeline detection | |
| CN204881552U (en) | Detection apparatus for detect vehicle tyre camber angle and toe -in angle | |
| CN213361519U (en) | Nondestructive detection device for pipeline defects | |
| CN212722646U (en) | Drainage pipe detects and real-time liquid level measurement's device based on unmanned aerial vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |