CN213728316U - Outer pipeline cleaning robot - Google Patents
Outer pipeline cleaning robot Download PDFInfo
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- CN213728316U CN213728316U CN202022344922.8U CN202022344922U CN213728316U CN 213728316 U CN213728316 U CN 213728316U CN 202022344922 U CN202022344922 U CN 202022344922U CN 213728316 U CN213728316 U CN 213728316U
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Abstract
The utility model discloses an outer pipeline cleans machine people, it includes: the card cover is at the pipeline outer wall of waiting to clean and the outer pipeline that can walk cleans the robot body and sets up cleaning subassembly, dust absorption subassembly and the controller on the robot body is cleaned to outer pipeline, wherein: the cleaning assembly is used for cleaning the outer wall of the pipeline to be cleaned; the dust collection assembly is connected with the cleaning assembly and is used for absorbing and removing dust generated in the cleaning process of the cleaning assembly; the controller is connected with the outer pipeline cleaning robot body, the cleaning assembly and the dust collection assembly and is used for controlling the outer pipeline cleaning robot body, the cleaning assembly and the dust collection assembly to work. The utility model cleans the outer wall of the pipeline in a walking way by the outer pipeline cleaning robot body, and can meet the cleaning requirements of pipelines with different diameters; the outer pipeline cleaning robot body, the cleaning assembly and the dust collection assembly can be controlled to work through the controller, so that intelligent cleaning of the outer wall of the pipeline can be achieved.
Description
Technical Field
The utility model relates to a clean the robotechnology field, especially relate to an outer pipeline cleans machine people.
Background
With the continuous enhancement of the mechanization degree, a plurality of robots for cleaning pipelines continuously go into daily life, but the cleaning of the outer sides of the pipelines is rare, and especially, cleaning equipment for the outer parts of the pipelines in a high-altitude environment is few and few.
Therefore, there is a need for an outer pipe cleaning robot.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outer pipeline cleans machine people to solve the problem among the above-mentioned prior art, can clean the pipeline outer wall intelligently.
The utility model provides an outer pipeline cleans machine people, wherein, include:
the card cover is in waiting the pipeline outer wall that cleans and the outer pipeline that can walk cleans the robot body and sets up clean subassembly, dust absorption subassembly and controller on the robot body are cleaned to outer pipeline, wherein:
the cleaning assembly is used for cleaning the outer wall of the pipeline to be cleaned;
the dust collection assembly is connected with the cleaning assembly and is used for absorbing dust generated by the cleaning assembly in the cleaning process;
the controller with outer pipeline cleans the robot body, clean the subassembly with dust absorption subassembly is connected for control outer pipeline cleans the robot body, clean the subassembly with dust absorption subassembly carries out work.
As above outer pipeline cleaning robot, wherein, preferably, outer pipeline cleaning robot body includes that middle connecting piece body, detachably set up the side connecting piece body of middle connecting piece body both sides, wherein, middle connecting piece body with the cross-section of side connecting piece body is the arc, middle connecting piece body and two the side connecting piece body encloses and establishes into non-confined curved surface body, can the cutting ferrule is in the pipeline outer wall of waiting to clean, the controller sets up on the middle connecting piece body, clean the subassembly with dust absorption subassembly sets up on the side connecting piece body.
As above outer pipeline cleans machine people, wherein, preferably, outer pipeline cleans machine people body still including setting up the walking wheel subassembly of the outward flange of side connecting piece body, walking wheel subassembly can with treat the pipeline outer wall contact that cleans, walking wheel subassembly includes 8 groups walking wheels be provided with 4 groups on the radial direction of the last bottom surface of non-confined curved surface body and lower bottom surface evenly the walking wheel, every group the walking wheel includes two walking wheels that contact each other, the walking wheel includes the omniwheel.
As above outer pipeline cleaning robot, wherein, preferentially, outer pipeline cleaning robot still include with the walking wheel that walking wheel subassembly is connected embraces the clamp subassembly and sets up on the middleware body and with two side connecting body that side connecting piece body is connected embraces the clamp subassembly, wherein:
the walking wheel clamping assembly is used for driving the walking wheel assembly to clamp the outer wall of the pipeline to be cleaned;
the side connecting body clamping assembly is used for driving the two side connecting body bodies to clamp the outer wall of the pipeline to be cleaned.
The outer pipe cleaning robot as described above, wherein the outer pipe cleaning robot further includes a camera provided on the intermediate connector body, and is connected to the controller, and is configured to photograph a front view of the outer pipe cleaning robot and transmit the photographed picture to the controller.
The outer pipeline cleaning robot as described above, wherein preferably, the outer pipeline cleaning robot further includes an obstacle avoidance component, connected to the camera and the controller, for automatically avoiding an obstacle to a front obstacle through a radar and a laser ranging sensor.
The outer pipeline cleaning robot as described above, wherein preferably, the cleaning assembly includes 8 sets of cleaning units arranged in a staggered manner on the outer pipeline cleaning robot body, each set of cleaning units includes a cleaning motor and a cleaning brush which are sequentially arranged, and the cleaning brush is arranged on the inner wall of the outer pipeline cleaning robot body and can contact with the outer wall of the pipeline to be cleaned.
The outer pipeline cleaning robot as described above, wherein preferably, the cleaning motor and the cleaning brush are connected by a snap structure, and the cleaning motor is used for driving the cleaning brush to rotate.
The outer pipeline cleaning robot as described above, wherein preferably, the cleaning assembly further includes an ultrasonic cleaning unit, the ultrasonic cleaning unit includes an ultrasonic generator and an ultrasonic transducer, and the ultrasonic transducer is connected to the cleaning brush and is configured to convert sound energy of ultrasonic waves emitted from the ultrasonic generator into kinetic energy of mechanical vibration.
The outer pipe cleaning robot as described above, wherein preferably, the outer pipe cleaning robot further includes a power supply assembly disposed on the middle connector body, for providing a power supply for the outer pipe cleaning robot.
The utility model provides an outer pipeline cleaning robot, which can be used for cleaning the outer wall of a pipeline to be cleaned by sleeving an outer pipeline cleaning robot clamp on the outer wall of the pipeline to be cleaned, thereby realizing the cleaning of the outer wall of the pipeline, meeting the cleaning requirements of pipelines with different diameters and realizing the movement of the outer pipeline cleaning robot; the outer pipeline cleaning robot body can be controlled by the controller to clamp the sleeve and walk, and the cleaning assembly is controlled to clean, and the dust collection assembly is controlled to collect dust, so that the intelligent cleaning of the outer wall of the pipeline can be realized.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of an outer pipe cleaning robot provided by the present invention.
Description of reference numerals:
1-outer pipeline cleaning robot body 2-cleaning component 3-dust collection component
4-controller 5-walking wheel clamping component 6-side connector clamping component
7-camera 8-charging port 9-power supply assembly
11-middle connector body 12-side connector body 13-road wheel assembly
21-sweeping motor 22-cleaning brush
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
As used in this disclosure, "first", "second": and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 1, the embodiment of the utility model provides an outer pipeline cleaning robot, it includes:
the card cover is in waiting the pipeline outer wall that cleans and the outer pipeline that can walk cleans robot body 1 and sets up clean subassembly 2, dust absorption subassembly 3 and controller 4 on the robot body 1 are cleaned to outer pipeline, wherein:
the cleaning assembly 2 is used for cleaning the outer wall of the pipeline to be cleaned;
the dust collection assembly 3 is connected with the cleaning assembly 2 and is used for absorbing dust generated by the cleaning assembly 2 in the cleaning process;
the controller 4 with outer pipeline cleans the robot body 1 clean the subassembly 2 with dust absorption component 3 is connected, is used for controlling outer pipeline cleans the robot body 1 clean the subassembly 2 with dust absorption component 3 carries out work.
Outer pipeline cleans machine people body 1 and includes that intermediate junction spare body 11, detachably set up the side connecting piece body 12 of intermediate junction spare body 11 both sides, wherein, intermediate junction spare body 11 with the cross-section of side connecting piece body 12 is the arc, intermediate junction spare body 11 and two side connecting piece body 12 encloses and establishes into non-confined curved surface body, but the card cover is in the pipeline outer wall of waiting to clean, controller 4 sets up on the intermediate junction spare body 11, clean subassembly 2 with dust absorption subassembly 3 sets up on the side connecting piece body 12. In operation, when connecting side connecting piece body 2 in the both sides of middle connecting piece body, can clean the pipeline outer wall that the robot card cover was waited to clean with outer pipeline, begin to clean the pipeline outer wall.
In this case, the cross-section of the middle connector body 11 and the cross-section of the side connector bodies 12 are fan-shaped, and the non-closed curved surface body enclosed by the middle connector body 11 and the two side connector bodies 12 is an incomplete cylinder. The length of the middle connector body 11 is equal to the length of the side connector body 12 in the axial direction, and the width of the middle connector body 11 is smaller than the width of the side connector body 12 in the radial direction. The expanded pattern of the middle connecting piece body 11 is a rectangle with a small rectangular notch at the center of each of the axial directions of the two sides of the non-closed curved body, the expanded pattern of the side connecting piece body 12 is a rectangle, and a small rectangle extending into the small rectangular notch of the middle connecting piece body 11 is arranged at the center of each of the axial directions of the two sides of the non-closed curved body. It should be noted that the present invention does not specifically limit the specific shapes of the intermediate connector body 1 and the side connector body 2.
Outer pipeline cleans machine people body 1 still including setting up the walking wheel subassembly 13 of the outward flange of side connecting piece body 12, walking wheel subassembly 13 can with treat the pipeline outer wall contact that cleans, walking wheel subassembly 13 includes 8 groups walking wheels be provided with 4 groups on the radial direction of the last bottom surface of non-confined curved body and bottom surface down evenly the walking wheel, every group the walking wheel includes two walking wheels that contact each other, the walking wheel includes the omniwheel. When the cleaning position needs to be changed, the external pipeline cleaning robot can be moved through the traveling wheel assembly, and convenience and rapidness are achieved. It should be noted that the two wheels contacting each other are moved synchronously to ensure the normal walking of each group of wheels. The omnidirectional wheels can realize the omnidirectional actions such as transverse, longitudinal and in-situ rotation without changing the direction of the wheel axle. The utility model discloses in, walking wheel assembly 13 can realize that outer pipeline cleans advancing, retreat and radial rotation of robot through 8 groups travelling wheel.
Outer pipeline cleans machine people body 1 still including setting up last roof, setting on the intermediate junction spare body 11 are in curb plate and setting on the side connecting piece body 12 are in walking wheel cover plate on the walking wheel subassembly 13 through adopting cladding formula structure, can be convenient for dismouting and clean.
Outer pipeline cleans machine people still include with walking wheel that walking wheel subassembly 3 is connected embraces clamp subassembly 5 and sets up on the middleware body and with two this body coupling's of side connecting piece side connector embraces clamp subassembly 6, wherein:
the walking wheel clamping assembly 5 is used for driving the walking wheel assembly 13 to clamp the outer wall of the pipeline to be cleaned;
the side connecting body clamping assembly 6 is used for driving the two side connecting body bodies 12 to clamp the outer wall of the pipeline to be cleaned. Through walking wheel embrace clamp subassembly 5 and side connector embrace clamp subassembly 6, can make outer pipeline clean the outer wall that the robot steadily waited to clean the pipeline and carry out work.
Outer pipeline cleans machine people still including setting up the inboard switch (not shown) of pressing from both sides of last bottom surface or lower bottom surface that middle connecting piece body 11 set up along the axial, it embraces clamp shift knob and two side connecting piece bodies and presss from both sides shift knob including two walking wheels to embrace to press from both sides the switch knob. Embrace through walking to press from both sides shift knob and can embrace to press from both sides subassembly 5 to walking wheel and control, embrace through side connecting piece body and press from both sides shift knob and can embrace to press from both sides subassembly 6 to control to the side connection body. Exemplarily, it is inboard to embrace and press from both sides the switch and set up the last bottom surface or lower bottom surface at the non-confined curved body between two rounds of moving, and two walking wheels are embraced and are pressed from both sides shift knob symmetry each other, and the same walking wheel of going up the bottom surface or same lower bottom surface is embraced and is pressed from both sides shift knob and side link body and embrace and press from both sides shift knob symmetry each other, and it is required to explain that, the utility model discloses do not specifically limit to embracing the concrete position that presss from both sides the switch.
Further, the quantity of controller 4 is 4 to set up symmetrically the four corners edge of intermediate junction spare body 1 can control outer pipeline through controller 4 and clean robot body 1 and carry out the cutting ferrule and walk, control and clean subassembly 2 and clean, and control dust absorption subassembly 3 and carry out the dust absorption. Exemplarily, controller 4 is control circuit board, and prior art can be referred to specific control principle, and the utility model discloses no longer describe repeatedly.
Therefore, compared with the prior art, the outer pipeline cleaning robot provided by the embodiment can clamp and sleeve the outer pipeline cleaning robot on the outer wall of the pipeline to be cleaned through the outer pipeline cleaning robot body, so that the outer pipeline cleaning robot can clean the outer wall of the pipeline, can meet the cleaning requirements of pipelines with different diameters, and can move; the outer pipeline cleaning robot body can be controlled by the controller to clamp the sleeve and walk, and the cleaning assembly is controlled to clean, and the dust collection assembly is controlled to collect dust, so that the intelligent cleaning of the outer wall of the pipeline can be realized.
Further, outer pipeline cleaning robot still includes setting up camera 7 on the intermediate junction spare body 1, with controller 4 is connected for to the place ahead field of vision of outer pipeline cleaning robot is shot, and sends the photo of shooing to controller 4, and controller 4 can control all parts in the outer pipeline cleaning robot according to the photo received, for example can control by the working process of outer pipeline cleaning robot body 1, cleaning subassembly 2 and dust absorption subassembly 3. Specifically, as shown in fig. 1, the number of the cameras 7 is 2, and one camera 7 is disposed on each of the side walls of the upper bottom surface and the lower bottom surface of the intermediate connector body 11 disposed along the axial direction. It should be noted that the present invention does not specifically limit the number and the specific positions of the cameras 7.
The outer pipeline cleaning robot further comprises an obstacle avoidance assembly (not shown) connected with the camera 7 and the controller 4 and used for automatically avoiding obstacles in front through a radar and a laser ranging sensor. The utility model discloses in some embodiments, outer pipeline cleans machine people still includes the track subassembly, because its supported area is big, consequently can further improve the ability of hindering more, is applicable to the pipeline outer wall that connects through annular bulges such as flanges cleaning. The utility model discloses in some embodiments, can adopt the remote controller to control outer pipeline cleaning robot, for example can control its operation such as obstacle surmounting, cleaning, dust absorption, embrace and press from both sides.
The cleaning assembly 2 comprises 8 groups of cleaning units which are arranged on the outer pipeline cleaning robot body 1 in a staggered mode, so that the coverage area can be improved, and the cleaning effect is improved. As an example and not by way of limitation, two sets of cleaning units are symmetrically disposed in the axial direction of the intermediate link body 11, and three sets of cleaning units are disposed on each side link body 12, wherein two sets of cleaning units are symmetrically disposed in the axial direction of the large rectangle corresponding position of the expanded pattern of the side link body 12, and one set of cleaning units is centrally disposed in the small rectangle corresponding position of the expanded pattern. It should be noted that the present invention is not limited to the number and the specific distribution position of the cleaning units. Further, every group clean the unit including the motor 21 and the clean brush 22 that clean that set gradually, clean brush 22 sets up outer pipeline cleans machine people body 1 inner wall, can with treat the pipeline outer wall contact that cleans. Illustratively, the sweeping motor 21 and the cleaning brush 22 are connected by a snap structure, and the sweeping motor 21 is used for driving the cleaning brush 22 to rotate. Wherein the snap-fit connection between the sweeping motor 21 and the cleaning brush 22 facilitates quick replacement of the cleaning brush.
The cleaning assembly further comprises an ultrasonic cleaning unit, the ultrasonic cleaning unit comprises an ultrasonic generator and an ultrasonic transducer, and the ultrasonic transducer is connected with the cleaning brush 22 and used for converting sound energy of ultrasonic waves emitted by the ultrasonic generator into kinetic energy of mechanical vibration. By means of the ultrasonic cleaning unit, ultrasonic cleaning can be achieved, the cleaning effect is more uniform, and the cleaning effect is improved. The utility model discloses in some embodiments, clean the subassembly and can also include water storage unit and water spray unit, after cleaning, can further wash, improve and clean the effect.
The outer pipeline cleaning robot further comprises a power supply assembly 9 arranged on the middle connecting piece body 11 and used for providing a power supply for the outer pipeline cleaning robot. The utility model discloses in, the quantity of power supply unit 9 is two to set up symmetrically on the axial direction of intermediate junction spare body 11, exemplarily, power supply unit 9 is lithium cell, battery etc.. Outer pipeline cleaning machines people still includes the mouth 8 that charges, can charge for power supply unit through the mouth 8 that charges. Specifically, as shown in fig. 1, the number of the charging ports 8 is 4, and two charging ports 8 are symmetrically provided on the side walls of the upper bottom surface and the lower bottom surface of the intermediate connector body 11, which are provided in the axial direction, respectively. Note that, the present invention does not specifically limit the number and the specific position of the charging ports 8. And simultaneously, keep away the barrier subassembly and can lay through mouth 8 that charges, and specific mode of laying can refer to prior art, the utility model discloses no longer describe repeatedly.
The embodiment of the utility model provides an outer pipeline cleaning robot, through outer pipeline cleaning robot body, can be with outer pipeline cleaning robot card cover at the pipeline outer wall of waiting to clean to this realizes cleaning to the pipeline outer wall, and can satisfy the requirement of cleaning of different diameter pipelines, and can realize the removal of outer pipeline cleaning robot; the outer pipeline cleaning robot body can be controlled by the controller to clamp the sleeve and walk, and the cleaning assembly is controlled to clean, and the dust collection assembly is controlled to collect dust, so that the intelligent cleaning of the outer wall of the pipeline can be realized.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. An outer pipe cleaning robot, comprising:
the card cover is in waiting the pipeline outer wall that cleans and the outer pipeline that can walk cleans the robot body and sets up clean subassembly, dust absorption subassembly and controller on the robot body are cleaned to outer pipeline, wherein:
the cleaning assembly is used for cleaning the outer wall of the pipeline to be cleaned;
the dust collection assembly is connected with the cleaning assembly and is used for absorbing dust generated by the cleaning assembly in the cleaning process;
the controller with outer pipeline cleans the robot body, clean the subassembly with dust absorption subassembly is connected for control outer pipeline cleans the robot body, clean the subassembly with dust absorption subassembly carries out work.
2. The outer pipe cleaning robot as claimed in claim 1, wherein the outer pipe cleaning robot body comprises a middle connector body and side connector bodies detachably disposed at both sides of the middle connector body, wherein the middle connector body and the side connector bodies are arc-shaped in cross section, the middle connector body and the two side connector bodies are enclosed into an unsealed curved body which can be clamped on the outer wall of the pipe to be cleaned, the controller is disposed on the middle connector body, and the cleaning assembly and the dust suction assembly are disposed on the side connector bodies.
3. The outer pipe cleaning robot as claimed in claim 2, further comprising a traveling wheel assembly disposed at an outer edge of the side connection member body, the traveling wheel assembly being contactable with an outer wall of a pipe to be cleaned, the traveling wheel assembly comprising 8 sets of traveling wheels, 4 sets of the traveling wheels being uniformly disposed in a radial direction of an upper bottom surface and a lower bottom surface of the non-closed curved body, each set of the traveling wheels comprising two traveling wheels contacting each other, the traveling wheels comprising omni wheels.
4. The outer pipe cleaning robot of claim 3, further comprising a walking wheel clasping assembly connected to the walking wheel assembly and a side connector clasping assembly disposed on the middle connector body and connected to the two side connector bodies, wherein:
the walking wheel clamping assembly is used for driving the walking wheel assembly to clamp the outer wall of the pipeline to be cleaned;
the side connecting body clamping assembly is used for driving the two side connecting body bodies to clamp the outer wall of the pipeline to be cleaned.
5. The outer pipe cleaning robot as claimed in claim 2, further comprising a camera provided on the middle connector body, connected to the controller, for taking a front view of the outer pipe cleaning robot and transmitting the taken picture to the controller.
6. The outer pipeline cleaning robot as claimed in claim 5, further comprising an obstacle avoidance assembly connected to the camera and the controller for automatically avoiding obstacles ahead through a radar and a laser ranging sensor.
7. The outer pipeline cleaning robot as claimed in claim 1, wherein the cleaning assembly comprises 8 sets of cleaning units arranged in a staggered manner on the outer pipeline cleaning robot body, each set of cleaning units comprises a cleaning motor and a cleaning brush which are sequentially arranged, and the cleaning brush is arranged on the inner wall of the outer pipeline cleaning robot body and can be contacted with the outer wall of the pipeline to be cleaned.
8. An outer pipe cleaning robot as claimed in claim 7, wherein the cleaning motor and the cleaning brush are connected by a snap-fit arrangement, the cleaning motor being arranged to drive the cleaning brush to rotate.
9. The external pipe cleaning robot according to claim 7, wherein the cleaning assembly further comprises an ultrasonic cleaning unit comprising an ultrasonic generator and an ultrasonic transducer connected to the cleaning brush for converting acoustic energy of the ultrasonic waves emitted from the ultrasonic generator into kinetic energy of mechanical vibrations.
10. The outer pipe cleaning robot as claimed in claim 2, further comprising a power supply assembly disposed on the intermediate connector body for providing power to the outer pipe cleaning robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022344922.8U CN213728316U (en) | 2020-10-19 | 2020-10-19 | Outer pipeline cleaning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022344922.8U CN213728316U (en) | 2020-10-19 | 2020-10-19 | Outer pipeline cleaning robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213728316U true CN213728316U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022344922.8U Active CN213728316U (en) | 2020-10-19 | 2020-10-19 | Outer pipeline cleaning robot |
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|---|---|
| CN (1) | CN213728316U (en) |
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- 2020-10-19 CN CN202022344922.8U patent/CN213728316U/en active Active
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