CN112474640B - Device for detecting and cleaning inner wall of pipeline and pipeline cleaning method - Google Patents
Device for detecting and cleaning inner wall of pipeline and pipeline cleaning method Download PDFInfo
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- CN112474640B CN112474640B CN202011268724.6A CN202011268724A CN112474640B CN 112474640 B CN112474640 B CN 112474640B CN 202011268724 A CN202011268724 A CN 202011268724A CN 112474640 B CN112474640 B CN 112474640B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 231
- 238000000034 method Methods 0.000 title claims description 20
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- 230000000670 limiting effect Effects 0.000 claims description 34
- 230000033001 locomotion Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 7
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- 230000008859 change Effects 0.000 abstract description 12
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- 230000001965 increasing effect Effects 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
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- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
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Abstract
The application discloses a device for detecting and cleaning the inner wall of a pipeline, which is characterized in that a running system can shrink or stretch along with the change of the pipe diameter when the pipeline with continuously variable diameter is cleaned, so that the condition of the change of the pipe diameter of a cable sleeve is adapted, the self-adaptive running in the pipeline is further completed, the cleaning system keeps the cleaning head attached to the inner wall of the pipeline all the time along with the advancing of the running system by the tension provided by a first supporting spring, and the cleaning work of the inner wall of the pipeline with the variable inner diameter is completed.
Description
Technical Field
The application relates to the technical field of pipeline cleaning, in particular to a device and a method for detecting and cleaning the inner wall of a pipeline.
Background
The inner wall pipe diameter of the current large cable sleeve generally changes within phi 270-phi 600, and the inner wall surface is an inner conical surface of phi 270-phi 600 or a combination of a plurality of discontinuous inner conical surfaces. When the sleeve is installed, the inner wall of the sleeve needs to be cleaned, so that impurities such as dirt, dust and tiny particles on the inner wall are ensured to be clean, and the insulation safety under high voltage and ultrahigh voltage is ensured. Conventional cleaning equipment has difficulty in adapting to the pipe diameter. Therefore, the current large-scale cable terminal sleeve is still cleaned by adopting a manual cleaning mode, so that the manual cleaning is difficult and low-efficiency, and in order to prevent the carrying of dirt into a pipeline or the secondary pollution, the whole body needs to be wrapped with a preservative film in advance and then enters into a long and narrow pipeline for cleaning, the operation space is limited, and the comprehensive cleaning cannot be realized.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a device for detecting and cleaning the inner wall of a pipeline, which can clean the pipeline with a variable diameter.
The application also discloses a pipeline cleaning method by using the device for detecting and cleaning the inner wall of the pipeline.
The technical scheme adopted by the embodiment of the application is as follows: an apparatus for pipe inner wall inspection cleaning, comprising:
the cylinder body is internally provided with a power system;
the cleaning system comprises a plurality of cleaning heads for cleaning the inner wall of the pipeline, a first shaft rod and a plurality of first lifting tables; the first shaft rod is arranged along the axial direction of the cylinder body and is in transmission connection with the power system so as to drive the first shaft rod to rotate, two first connecting seats are sleeved on the first shaft rod at intervals, and a first supporting spring for pushing the two first connecting seats to move relatively is sleeved on the first shaft rod; the first lifting tables are uniformly arranged around the first shaft rod, each first lifting table comprises two cleaning connecting rod mechanisms, each cleaning connecting rod mechanism comprises a first cleaning connecting rod and a second cleaning connecting rod, opposite ends of the first cleaning connecting rod and the second cleaning connecting rod are hinged, the top ends of the two first cleaning connecting rods are connected with the cleaning head, the bottom ends of the two second cleaning connecting rods are hinged with a first connecting seat respectively, a third cleaning connecting rod is arranged between the two second cleaning connecting rods, and two ends of the third cleaning connecting rod are connected with the two second cleaning connecting rods in a rotating mode respectively;
the walking system comprises a mounting sleeve, a motion supporting mechanism and a second lifting platform; the installation sleeve is installed in the cylinder body, each side surface of the installation sleeve is provided with a moving guide rail, and the moving guide rails are arranged along the axial direction of the installation sleeve; the motion supporting mechanism comprises two motion supporting units which are oppositely arranged, and the two motion supporting units can be connected to the motion guide rail in a relatively movable manner; the second lifting platform comprises two traveling connecting rod mechanisms, wherein the two traveling connecting rod mechanisms comprise a first traveling connecting rod and a second traveling connecting rod, opposite ends of the first traveling connecting rod and the second traveling connecting rod are hinged, the top ends of the first traveling connecting rod are connected with a driving wheel mechanism, the bottom ends of the second traveling connecting rod are hinged with a motion supporting unit respectively, a third traveling connecting rod is arranged between the second traveling connecting rod, and two ends of the third traveling connecting rod are connected with the second traveling connecting rod in a rotating mode respectively.
The device for detecting and cleaning the inner wall of the pipeline has at least the following beneficial effects: when cleaning the pipeline with continuous reducing, the running system can shrink or stretch along with the change of the pipe diameter, so that the condition of the change of the pipe diameter of the cable sleeve is adapted, the self-adaptive running in the pipeline is further completed, the cleaning system advances along with the running system, and the cleaning head always keeps fit with the inner wall of the pipeline through the tension force provided by the first supporting spring, so that the cleaning work of the inner wall of the pipeline with the change of the inner diameter is completed.
According to some embodiments of the application, the two ends of the first shaft rod are provided with bearing platforms, the two first connecting seats are both sleeved on the first shaft rod in a sliding manner, and the first supporting springs are arranged between the two bearing platforms and the corresponding first connecting seats.
According to some embodiments of the application, one of the two first connecting seats is fixedly connected with the first shaft rod, the other one is sleeved on the first shaft rod in a sliding manner, a bearing platform is arranged at one end of the first shaft rod corresponding to the first connecting seat in the sliding manner, and the first supporting spring is arranged between the bearing platform and the first connecting seat in the sliding manner.
According to some embodiments of the application, the cleaning head comprises a base and a mounting seat, wherein the base comprises a bottom plate and fixed mounting plates extending upwards are arranged at two ends of the bottom plate, the mounting seat is in a round roller shape, a cleaning towel is covered on an arc surface of the mounting seat, and the cleaning towel is mounted and fixed on the mounting seat through a fixing piece.
According to some embodiments of the application, the mounting seat is in a semi-circular cylinder shape, the circular arc surface of the mounting seat faces outwards, the bottom plane of the mounting seat is provided with the connecting lug, the fixing piece comprises two fixing plates, the two fixing plates are respectively arranged on two sides of the circular arc surface of the mounting seat, one side edge of each fixing plate is pressed on the cleaning towel, the fixing plates are fixedly connected with the connecting lug, and a limiting mechanism is arranged between the mounting seat and the base to limit the rotation interval of the mounting seat.
According to some embodiments of the application, the limiting mechanism comprises a limiting groove and two angle limiting blocks, wherein the limiting groove is transversely arranged on the bottom plane of the mounting seat, and the two limiting blocks are fixedly connected with the base and are positioned on the rotating path of the limiting groove to limit the rotating section of the mounting seat.
According to some embodiments of the application, guide wheels are arranged on the two fixed mounting plates, and the height difference between the upper ends of the guide wheels and the upper ends of the cleaning towels is smaller than the compression limit of the cleaning towels.
According to some embodiments of the present application, the two motion supporting units each include a second shaft rod and a second supporting spring, the two second shaft rods are oppositely disposed on a side surface of the installation sleeve and are disposed along an axial direction of the installation sleeve, a deviating end of each of the two second shaft rods is fixedly connected with the installation sleeve through a second connecting seat, opposite ends of each of the two second shaft rods are respectively and slidably connected with a lifting platform slider, the second supporting springs are sleeved on the second shaft rods and are located between the lifting platform slider and the second connecting seat, the two lifting platform sliders are both slidably connected on the motion guide rail, and a bottom end of the second walking connecting rod is hinged with the lifting platform slider.
According to some embodiments of the application, a monitoring system for monitoring cleaning conditions inside the pipeline is arranged on the cylinder body, and the monitoring system is electrically connected with the power system.
A method of cleaning a pipe according to an embodiment of the second aspect of the present application comprises the steps of:
step S1, loading the device for detecting and cleaning the inner wall of the pipeline according to the embodiment of the first aspect into the pipeline from one side of the big end of the pipeline;
s2, starting the power system by the controller, and circularly and repeatedly cleaning the inner wall of the pipeline from the large end to the small end of the pipeline;
step 3, monitoring the cleaning condition of the inner wall of the pipeline and the state of the cleaning head through a monitoring system, judging whether the cleaning head needs to be replaced, stopping the device at the large end of the pipeline if the cleaning head needs to be replaced, updating the cleaning head, starting the machine again for operation after replacement, and circulating until the cleaning effect meets the requirement;
and S4, after the cleaning is finished, taking the equipment out of the pipeline, and manually ending and supplementing at the two ends of the pipeline to eliminate the places where the two ends possibly cannot be cleaned in place.
The pipeline cleaning method provided by the embodiment of the application has at least the following beneficial effects: the device for detecting and cleaning the inner wall of the pipeline is used for cleaning the pipeline, can automatically adapt to the change of the pipe diameter of the pipeline, improves the cleaning efficiency and the cleaning quality of the pipeline, and reduces the labor intensity.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the whole structure of a device for detecting and cleaning the inner wall of a pipeline according to an embodiment of the application;
fig. 2 is a schematic structural view of a device for detecting and cleaning the inner wall of a pipeline in cleaning the pipeline.
FIG. 3 is a schematic diagram of the structure of the walking system;
FIG. 4 is a schematic structural view of a cleaning system;
FIG. 5 is an enlarged schematic view of a portion of FIG. 4;
figure 6 is a schematic view of the cleaning head of figure 5 rotated to an angle.
Reference numerals:
barrel 100, sleeve 300;
cleaning head 110, base 111, mounting base 112, base plate 1111, fixed mounting plate 1112, cleaning towel 1121, connecting lug 122, first shaft 120, connecting base 121, first lifting table 130, first cleaning link 131, second cleaning link 132, third cleaning link 133, fourth cleaning link 134, fixing member 140, limit groove 151, angle limit block 152, guide wheel 160, first support spring 170, motor 180, and bearing table 190;
the elevator car comprises an installation sleeve 210, a connecting shaft hole 211, a supporting unit 220, a second shaft 221, a second supporting spring 222, a second connecting seat 223, an elevator platform slide block 224, a traveling link mechanism 230, a first traveling link 231, a second traveling link 232, a driving wheel mechanism 240, a connecting shaft 241, a driving wheel 242, a third traveling link 250 and a sliding rail 260.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In the description of the present application, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In addition, the technical solutions of the embodiments of the present application may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present application.
An apparatus for detecting cleaning of an inner wall of a pipe according to an embodiment of the present application is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, an apparatus for detecting cleaning of an inner wall of a pipe according to an embodiment of the present application includes:
the cylinder 100, there is a power system in the cylinder 100;
the cleaning system is arranged at two ends of the cylinder 100 and comprises a plurality of cleaning heads 110 for cleaning the inner wall of the pipeline, a first shaft lever 120 and a plurality of first lifting tables 130;
the first shaft lever 120 is arranged along the axial direction of the cylinder 100 and is in transmission connection with a power system so as to drive the first shaft lever 120 to rotate, two first connecting seats 121 are sleeved on the first shaft lever 120 at intervals, and a first supporting spring 170 for pushing the two first connecting seats 121 to move relatively is sleeved on the first shaft lever 120;
the first lifting tables 130 are uniformly arranged around the first shaft lever 120, each first lifting table 130 comprises two cleaning connecting rod mechanisms, each cleaning connecting rod mechanism comprises a first cleaning connecting rod 131 and a second cleaning connecting rod 132, opposite ends of the first cleaning connecting rod 131 and the second cleaning connecting rod 132 are hinged, top ends of the two first cleaning connecting rods 131 are connected with the cleaning head 110, bottom ends of the two second cleaning connecting rods 132 are hinged with a first connecting seat 121 respectively, a third cleaning connecting rod 133 is arranged between the two second cleaning connecting rods 132, and two ends of the third cleaning connecting rod 133 are rotatably connected with the two second cleaning connecting rods 132 respectively;
the walking system comprises a mounting sleeve 210, a motion supporting mechanism and a second lifting platform;
the installation sleeve 210 is installed in the cylinder 100, and each side surface of the installation sleeve 210 is provided with a moving guide rail which is arranged along the axial direction of the installation sleeve 210;
the motion supporting mechanism comprises two motion supporting units 220 which are oppositely arranged, and the two motion supporting units 220 can be connected to the motion guide rail in a relatively movable manner;
the second lifting platform comprises two walking link mechanisms 230, wherein the two walking link mechanisms 230 comprise a first walking link 231 and a second walking link 232, opposite ends of the first walking link 231 and the second walking link 232 are hinged, top ends of the two first walking link 231 are connected with a driving wheel mechanism 240, bottom ends of the two second walking link 232 are hinged with a motion supporting unit 220 respectively, a third walking link 250 is arranged between the two second walking link 232, and two ends of the third walking link 250 are rotatably connected with the two second walking link 232 respectively.
When the device for detecting and cleaning the inner wall of the pipeline is used for cleaning the sleeve 300 with the continuously variable diameter, the running system can shrink or stretch along with the change of the pipe diameter, so that the device is suitable for the condition of the change of the pipe diameter of the cable sleeve, and further self-adaptive running in the pipe is completed, and the cleaning system keeps the cleaning head 110 attached to the inner wall of the sleeve 300 all the time along with the advancing of the running system by the tension provided by the first supporting spring 170, so that the cleaning work of the inner wall of the sleeve 300 with the variable inner diameter is completed.
Specifically, in the free state of the running system of the present application, the two motion supporting units 220 are relatively close, and the driving wheel mechanism 240 is at the highest point. The traveling system is placed into the sleeve through the fixture, and the driving wheel mechanism 240 is stably close to the inner wall of the sleeve 300.
When the traveling system travels in a direction in which the pipe diameter of the sleeve 300 becomes smaller. The smaller the distance between the driving wheel mechanism 240 and the mounting sleeve 210, the greater the pressure of the driving wheel mechanism 240 from the inner wall of the sleeve, forcing the first and second travel links 231, 232 to change from the straightened state toward the bent state. In the changing process, the distance between the top ends of the two first walking links 231 is relatively fixed, and in the changing process, the first walking links 231 rotate around the connection position with the driving wheel mechanism 240, so that the distance between the lower ends of the two first walking links 231 is continuously increased, and the distance between the top ends of the two second walking links 232 is driven to be continuously increased. In the process that the distance between the top ends of the two second traveling links 232 is continuously increased, the two second traveling links 232 rotate around the third traveling link 250, so that the distance between the bottom ends of the two second traveling links 232 is continuously increased, and the two moving support units 220 are continuously moved away from each other.
In the walking process, the height of the first lifting platform 130 needs to be adjusted along with the decrease of the pipe diameter, so that the two first connecting seats 121 move back to press the first supporting springs 170 to shrink. Along with the gradual distance of the two first connecting seats 121, the distance between the bottom ends of the two second cleaning connecting rods 132 is increased continuously, the two second cleaning connecting rods 132 rotate around the third cleaning connecting rod 133, the distance between the top ends of the two second cleaning connecting rods 132 is increased, the distance between the lower ends of the first cleaning connecting rods 131 is increased, and the first cleaning connecting rods 131 and the second cleaning connecting rods 132 rotate around the connecting positions of the cleaning heads 110, so that the first cleaning connecting rods 131 and the second cleaning connecting rods 132 are finally converted from a straightened state to a bent state, and the overall height of the first lifting platform 130 is gradually reduced.
When the traveling system travels along the direction of the continuous increase of the pipe diameter of the sleeve. The larger the spacing between the drive wheel mechanism 240 and the mounting sleeve 210, the less pressure the drive wheel mechanism 240 comes from the inner wall of the sleeve. The two moving support units 220 move in opposite directions to drive the bottom ends of the two second walking links 232 to be continuously close, and the interval is continuously reduced. The two second traveling links 232 rotate around the third traveling link 250 such that the distance between the top ends of the two second traveling links 232 is continuously close. The distance between the lower ends of the driving first travel links 231 is continuously reduced. The first travel link 231 and the second travel link 232 are changed from the bent state toward the straightened state, and the overall length is increased so that the driving wheel mechanism 240 is always in close proximity to the inner wall of the casing.
At this time, as the inner diameter of the sleeve increases, the pressure of the cleaning head 110 from the pipe wall decreases, the force applied by the first supporting spring 170 decreases, and the stretching starts to occur, so as to push the two first connecting seats 121 to move towards each other. Along with the gradual approach of the two first connecting seats 121, the distance between the bottom ends of the two second cleaning connecting rods 132 is continuously reduced, the two second cleaning connecting rods 132 rotate around the third connecting rod 330, the distance between the top ends of the two second cleaning connecting rods 132 is reduced, the distance between the lower ends of the first cleaning connecting rods 131 is reduced, and the first cleaning connecting rods 131 and the second cleaning connecting rods 132 rotate around the connecting positions with the cleaning heads 110, so that the first cleaning connecting rods 131 and the second cleaning connecting rods 132 are finally converted from a bent state to a straightened state, and the overall height of the first lifting platform 130 is gradually increased.
In some embodiments of the present application, the two ends of the first shaft 120 are provided with the bearing platforms 190, and the two first connecting seats 121 are slidably sleeved on the first shaft 120, and the first supporting springs 170 are disposed between the two bearing platforms 190 and the corresponding first connecting seats 121.
In this embodiment, the two first connecting seats 121 are slidably sleeved on the first shaft 120, and during the cleaning process, the two first connecting seats 121 can move relatively under the action of the corresponding first supporting springs 170.
In some embodiments of the present application, one of the two first connecting seats 121 is fixedly connected to the first shaft 120, the other is slidably sleeved on the first shaft 120, a bearing platform 190 is disposed at one end of the first shaft 120 corresponding to the slidably sleeved first connecting seat 121, and a first supporting spring 170 is disposed between the bearing platform 190 and the slidably disposed first connecting seat 121.
In this embodiment, one first connecting seat 121 is fixedly connected to the first shaft 120, and cannot move, while the other is slidably sleeved on the first shaft 120, and can move on the first shaft 120 under the action of the first supporting spring 170.
In some embodiments of the present application, the cleaning head 110 includes a base 111 and a mounting base 112, the base 111 includes a base 1111 and fixing mounting plates 1112 extending upward are disposed at two ends of the base 1111, the mounting base 112 is in a cylindrical shape, the circular arc surface of the mounting base 112 is covered with a cleaning towel 1121, and the cleaning towel 1121 is mounted and fixed on the mounting base 112 by a fixing member 140.
When cleaning the inner wall of the sleeve, the cleaning system moves along the direction of the pipeline along with related equipment, and cleans the pipe wall along with the rotating and advancing of the power system, and the cleaning head 110 always keeps a fit state with the pipe wall. During cleaning, the cylindrical mounting base 112 rotates continuously, and the cylindrical cleaning towel 1121 wipes the tube wall continuously. Because the mounting base 112 is continuously rotated, the entire surface of the cleaning towel 1121 is applied, and the cleaning efficiency of the cleaning towel 1121 is improved. After a period of use, the cleaning towel 1121 can be removed from the mounting base 112, and a new cleaning towel 1121 can be replaced, so that the cleaning quality is ensured.
As shown in fig. 5 and 6, in some embodiments of the present application, the mounting base 112 is in a semi-circular cylindrical shape, the circular arc surface of the mounting base 112 faces outwards, the bottom plane of the mounting base 112 is provided with a connecting lug 122, the fixing member 140 includes two fixing plates, the two fixing plates are respectively disposed on two sides of the circular arc surface of the mounting base 112, one side of each fixing plate is pressed on the cleaning towel 1121, the fixing plates are fixedly connected with the connecting lug 122, and a limiting mechanism is disposed between the mounting base 112 and the base 111 to limit the rotation interval of the mounting base 112.
In this embodiment, the mounting block 112 is semi-cylindrical in shape, thereby facilitating the securing of the cleaning towel 1121 to the mounting block 112. Specifically, when the cleaning towel 1121 is fixed on the mounting seat 112, the cleaning towel 1121 is laid on the mounting seat 112, two sides of the cleaning towel are pressed by two fixing plates, and the two fixing plates are connected and fixed with the connecting lugs 122, so that the cleaning towel 1121 is tightly pressed on the mounting seat 112. When the towel is replaced, the fixing plate is released from the connecting lugs 122, and a new towel 1121 is detached.
Meanwhile, in order to avoid the contact between the non-cleaning surface and the pipe wall in the cleaning process, the rotation interval of the mounting seat 112 is limited by arranging the limiting mechanism, so that the contact between the cleaning surface of the mounting seat 112 and the inner wall of the sleeve is ensured.
Because the mounting seat 112 is provided with the limiting mechanism, the mounting seat 112 cannot continue to rotate after rotating to a certain angle, so that only one side of the cleaning towel 1121 which is in contact with the pipe wall is utilized, and the side of the cleaning towel 1121 which is not in contact with the pipe wall is not utilized.
After the sleeve completes the primary cleaning process, the cleaning system reversely walks in the sleeve along with the traveling system to clean the sleeve for the second time, so that the cleaning effect is improved, meanwhile, the motor rotates reversely, the mounting seat 112 rotates, and after the motor rotates to a certain angle, the motor stops continuously rotating under the action of the limiting mechanism, so that the cleaning towel 1121 on the unused side is reused, and the use efficiency of the cleaning towel 1121 is improved.
In the present application, the limiting mechanism limits the range of rotation of the mount 112 to between-37 deg.. The design is suitable for the pipe diameter of the cable sleeve commonly used at present, and the rotation is carried out until the application range of one side is just 0-37 degrees, and the application range of the other side is-37-0 degrees. Thus, the entire cleaning surface of the cleaning sheet 1121 is used sufficiently.
In a further embodiment of the present application, the limiting mechanism includes a limiting groove 151 and two angle limiting blocks 152, the limiting groove 151 is transversely disposed on the bottom plane of the mounting base 112, and the two angle limiting blocks 152 are fixedly connected with the base 111 and are located on the rotation path of the limiting groove 151 to limit the rotation interval of the mounting base 112.
As shown in fig. 5 and 6, when the mounting base 112 rotates to a certain angle and the limiting groove 151 rotates to contact with the angle limiting block 152 on one side, the mounting base 112 cannot continue to rotate again. When the mounting base 112 rotates toward the other side, the limiting groove 151 rotates to contact with the angle limiting block 152 at the other side, and the mounting base 112 cannot continue to rotate again. By arranging the limiting groove 151 and the two-angle limiting block 152, the rotation range of the mounting seat 112 is limited between the two-angle limiting block 152, so that the cleaning towel 1121 on the mounting seat 112 is always kept to be attached to the pipe wall.
In some embodiments of the present application, guide wheels 160 are provided on both fixed mounting plates 1112, and the difference in height between the upper ends of the guide wheels 160 and the upper ends of the cleaning wipes 1121 is less than the compression limit of the cleaning wipes 1121.
When the cleaning head 110 cleans the sleeve, the cleaning towel 1121 is attached to the sleeve, but if the attaching force is too large, the friction between the cleaning towel 1121 and the inner wall of the sleeve is too large, the cleaning effect is poor, and meanwhile, the cleaning towel 1121 is severely worn. Through the outside of two fixed mounting plates 1112 all sets up leading wheel 160, and the cleaning towel 1121 produces certain deformation back, and leading wheel 160 can contact with the sleeve pipe inner wall, has prevented that cleaning towel 1121 from continuing to be pressed the deformation to make cleaning towel 1121 receive suitable extrusion force, the laminating force ratio between cleaning towel 1121 can be more suitable with the sleeve pipe.
Meanwhile, in the wiping process, rolling friction is also generated between the guide wheel 160 and the inner wall of the sleeve, so that the friction force is small, and adverse effects caused in the cleaning process are avoided.
The difference in height between the upper end of the guide wheel 160 and the upper end of the cleaning towel 1121 depends on the compression limit at which the cleaning towel 1121 can be compressively deformed, and note that the compression limit herein refers not to the compression limit that the cleaning towel 1121 itself can withstand but to the allowable compression standard limit, and this difference in height is determined according to the actual situation, thereby determining the installation position of the guide wheel 160.
In some embodiments of the present application, a fourth cleaning link 134 is disposed between the two first cleaning links 131, and two ends of the fourth cleaning link 134 are rotatably connected to the two first cleaning links 131, respectively. By providing the fourth cleaning link 134, the structural strength between the two first cleaning links 131 is improved, and at the same time, the degree of association of the two is improved, so that the deformation can be maintained simultaneously.
In some embodiments of the present application, the base 111 includes two parallel mounting rods, two ends of the two mounting rods are respectively connected to two fixed mounting plates 1112, and upper ends of two first cleaning links 131 are respectively hinged to one mounting rod.
In some embodiments of the application, the power system is an electric motor, and the electric motor is coupled to the first shaft 120 via a coupling.
In some embodiments of the present application, the two moving support units each include a second shaft 221 and a second support spring 222, the two second shafts 221 are relatively disposed on a side surface of the mounting sleeve 210 and are disposed along an axial direction of the mounting sleeve 210, opposite ends of the two second shafts 221 are fixedly connected with the mounting sleeve 210 through a second connecting seat 223, opposite ends of the two second shafts 221 are respectively and slidably connected with a lifting platform slider 224, the second support springs 222 are sleeved on the second shafts 221 and are located between the lifting platform slider 224 and the second connecting seat 223, the two lifting platform sliders 224 are both slidably connected on the moving guide rail, and bottom ends of the second walking links 232 are hinged with the lifting platform sliders 224.
In the present embodiment, by setting the second supporting spring 222, by contraction or expansion of the second supporting spring 222, the pressure applied to the elevating platform slide 224 and the inner wall of the sleeve by the second supporting spring 222 and the pressure applied to the driving wheel mechanism 240 are kept in dynamic balance, so that the driving wheel mechanism 240 is always closely attached to the inner wall of the sleeve, and automatic adjustment is achieved.
Specifically, when the traveling system travels along the direction in which the diameter of the sleeve pipe is continuously reduced. The distance between the driving wheel mechanism 240 and the mounting sleeve 210 is smaller and smaller, the pressure of the driving wheel mechanism 240 from the inner wall of the sleeve is larger and larger, the first walking connecting rod 231 and the second walking connecting rod 232 are forced to change from the straightened state to the bent state, the distance between the bottom ends of the two second walking connecting rods 232 is continuously increased, the two elevating platform slides 224 are pushed to be continuously far away, and finally the second supporting spring 222 is pressed to shrink.
When the traveling system travels along the direction of increasing the diameter of the sleeve, the second supporting spring 222 stretches to push the two elevating platform slides 224 to approach each other, so that the first traveling link 231 and the second traveling link 232 change from the bent state to the straightened state.
In some embodiments of the present application, the driving wheel mechanism 240 is a dual driving wheel integrated machine, and includes a connecting shaft 241 and driving wheels 242 disposed at two ends of the connecting shaft 241, the moving rail includes two parallel sliding rails 260, on which a lifting platform slider 224 is slidably connected to each of the two sliding rails 260, and the top ends of two first moving links 231 are connected to two ends of the connecting shaft 241, respectively.
The driving wheel mechanism 240 is a double-driving wheel integrated machine, and during the traveling process, a motor carried by the driving wheel mechanism drives the driving wheel 242 to travel in the pipe. The double-driving-wheel integrated machine is provided with two driving wheels 242, the two driving wheels 242 are more stable to be attached to the inner wall of the sleeve in the walking process, the two driving wheels 242 are connected together through a connecting shaft 241, the top end of the first walking connecting rod 231 is connected with the connecting shaft 241, and the first walking connecting rod 231 can rotate around the connecting position with the connecting shaft 241.
In some embodiments of the present application, the mounting sleeve 210 is a square cylindrical structure. The drive wheel mechanism 240 is provided on each of the four sides of the mounting sleeve 210 to ensure that excessive lateral movement does not occur during sleeve formation. And the sleeve can advance more stably in the running process.
In some embodiments of the present application, the center of the mounting sleeve 210 is provided with a connection shaft hole 211 in the axial direction. As shown in fig. 1, when the traveling system of the present application is mounted on the cleaning mechanism using the sleeve, the traveling system is mounted in the cylinder 100, and the first shaft 120 is disposed through the connecting shaft hole 211.
In some embodiments of the present application, a monitoring system for monitoring the cleaning of the interior of the pipe is provided on the cylinder 100, and the monitoring system is electrically connected to the power system.
The monitoring system mainly comprises an endoscope 270 and a data transmission system, wherein the endoscope 270 can monitor the cleaning condition in the pipe and transmit the cleaning condition to staff through wireless transmission, so that the staff can know the cleaning condition and make a cleaning plan according to the actual condition.
The pipe cleaning method according to the present application is characterized by comprising the steps of:
step S1, loading the device for detecting and cleaning the inner wall of the pipeline according to the embodiment of the first aspect into the pipeline from one side of the big end of the pipeline;
s2, starting a power system by the controller, and circularly and repeatedly cleaning the inner wall of the pipeline from the large end to the small end of the pipeline;
step 3, monitoring the cleaning condition of the inner wall of the pipeline and the state of the cleaning head through a monitoring system, judging whether the cleaning head needs to be replaced, stopping the device at the large end of the pipeline if the cleaning head needs to be replaced, updating the cleaning head, starting the machine again for operation after replacement, and circulating until the cleaning effect meets the requirement;
and S4, after the cleaning is finished, taking the equipment out of the pipeline, and manually ending and supplementing at the two ends of the pipeline to eliminate the places where the two ends possibly cannot be cleaned in place.
The device for detecting and cleaning the inner wall of the pipeline is used for cleaning the pipeline, can automatically adapt to the change of the pipe diameter of the pipeline, improves the cleaning efficiency and the cleaning quality of the pipeline, and reduces the labor intensity.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An apparatus for cleaning the interior wall of a pipe, comprising:
the cylinder body is internally provided with a power system;
the cleaning system comprises a plurality of cleaning heads for cleaning the inner wall of the pipeline, a first shaft rod and a plurality of first lifting tables;
the cleaning head comprises a base and a mounting seat, wherein the base comprises a bottom plate and fixing mounting plates which extend upwards are arranged at two ends of the bottom plate, the mounting seat is in a semicircular cylinder shape, the circular arc surface of the mounting seat faces outwards, a cleaning towel is covered on the circular arc surface of the mounting seat, the cleaning towel is fixedly arranged on the mounting seat through a fixing piece, a connecting lug is arranged on the bottom plane of the mounting seat, the fixing piece comprises two fixing plates, the two fixing plates are respectively arranged at two sides of the circular arc surface of the mounting seat, one side edge of each fixing plate is pressed on the cleaning towel, the fixing plates are fixedly connected with the connecting lug, and a limiting mechanism is arranged between the mounting seat and the base to limit the rotation interval of the mounting seat;
the two fixed mounting plates are respectively provided with a guide wheel, and the height difference between the upper ends of the guide wheels and the upper ends of the cleaning towels is smaller than the compression limit of the cleaning towels;
the first shaft rod is arranged along the axial direction of the cylinder body and is in transmission connection with the power system so as to drive the first shaft rod to rotate, two first connecting seats are sleeved on the first shaft rod at intervals, and a first supporting spring for pushing the two first connecting seats to move relatively is sleeved on the first shaft rod;
the first lifting tables are uniformly arranged around the first shaft rod, each first lifting table comprises two cleaning connecting rod mechanisms, each cleaning connecting rod mechanism comprises a first cleaning connecting rod and a second cleaning connecting rod, opposite ends of the first cleaning connecting rod and the second cleaning connecting rod are hinged, the top ends of the two first cleaning connecting rods are connected with the cleaning head, the bottom ends of the two second cleaning connecting rods are hinged with a first connecting seat respectively, a third cleaning connecting rod is arranged between the two second cleaning connecting rods, and two ends of the third cleaning connecting rod are connected with the two second cleaning connecting rods in a rotating mode respectively;
the walking system comprises a mounting sleeve, a motion supporting mechanism and a second lifting platform;
the installation sleeve is installed in the cylinder body, each side surface of the installation sleeve is provided with a moving guide rail, and the moving guide rails are arranged along the axial direction of the installation sleeve;
the motion supporting mechanism comprises two motion supporting units which are oppositely arranged, and the two motion supporting units can be connected to the motion guide rail in a relatively movable manner;
the second lifting platform comprises two traveling connecting rod mechanisms, wherein the two traveling connecting rod mechanisms comprise a first traveling connecting rod and a second traveling connecting rod, opposite ends of the first traveling connecting rod and the second traveling connecting rod are hinged, the top ends of the first traveling connecting rod are connected with a driving wheel mechanism, the bottom ends of the second traveling connecting rod are hinged with a motion supporting unit respectively, a third traveling connecting rod is arranged between the second traveling connecting rod, and two ends of the third traveling connecting rod are connected with the second traveling connecting rod in a rotating mode respectively.
2. The apparatus for detecting and cleaning an inner wall of a pipe according to claim 1, wherein: the two ends of the first shaft rod are provided with bearing platforms, the two first connecting seats are all sleeved on the first shaft rod in a sliding mode, and the first supporting springs are arranged between the two bearing platforms and the corresponding first connecting seats.
3. The apparatus for detecting and cleaning an inner wall of a pipe according to claim 1, wherein: one of the two first connecting seats is fixedly connected with the first shaft rod, the other one of the two first connecting seats is sleeved on the first shaft rod in a sliding mode, a bearing platform is arranged at one end of the first connecting seat, corresponding to the sliding sleeve, of the first shaft rod, and a first supporting spring is arranged between the bearing platform and the first connecting seat in a sliding mode.
4. A device for detecting and cleaning the inner wall of a pipe according to any one of claims 1 to 3, wherein: the limiting mechanism comprises a limiting groove and two angle limiting blocks, wherein the limiting groove is transversely formed in the bottom plane of the mounting seat, the two limiting blocks are fixedly connected with the base and are positioned on the rotating path of the limiting groove so as to limit the rotating interval of the mounting seat.
5. The apparatus for detecting and cleaning an inner wall of a pipe according to claim 1, wherein: the motion supporting unit comprises a second shaft rod and a second supporting spring, the second shaft rod is oppositely arranged on the side surface of the installation sleeve and axially arranged along the installation sleeve, the deviating end of the second shaft rod is fixedly connected with the installation sleeve through a second connecting seat, the opposite ends of the second shaft rod are respectively and slidably connected with a lifting table sliding block, the second supporting spring is sleeved on the second shaft rod and is located between the lifting table sliding block and the second connecting seat, the lifting table sliding block is slidably connected with the motion guide rail, and the bottom end of the second walking connecting rod is hinged with the lifting table sliding block.
6. The apparatus for detecting and cleaning an inner wall of a pipe according to claim 1, wherein: the cylinder is provided with a monitoring system for monitoring the cleaning condition inside the pipeline, and the monitoring system is electrically connected with the power system.
7. A method of cleaning a pipe comprising the steps of:
step S1, loading the device for detecting and cleaning the inner wall of the pipeline according to any one of claims 1 to 6 into the pipeline from one side of the large end of the pipeline;
s2, starting the power system by the controller, and circularly and repeatedly cleaning the inner wall of the pipeline from the large end to the small end of the pipeline;
step 3, monitoring the cleaning condition of the inner wall of the pipeline and the state of the cleaning head through a monitoring system, judging whether the cleaning head needs to be replaced, stopping the device at the large end of the pipeline if the cleaning head needs to be replaced, updating the cleaning head, starting the machine again for operation after replacement, and circulating until the cleaning effect meets the requirement;
and S4, after the cleaning is finished, taking the equipment out of the pipeline, and manually ending and supplementing at the two ends of the pipeline to eliminate the places where the two ends possibly cannot be cleaned in place.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268724.6A CN112474640B (en) | 2020-11-13 | 2020-11-13 | Device for detecting and cleaning inner wall of pipeline and pipeline cleaning method |
| PCT/CN2021/085529 WO2022099984A1 (en) | 2020-11-13 | 2021-04-06 | Device for detecting and cleaning inner wall of pipeline and pipeline cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011268724.6A CN112474640B (en) | 2020-11-13 | 2020-11-13 | Device for detecting and cleaning inner wall of pipeline and pipeline cleaning method |
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| CN112474640A CN112474640A (en) | 2021-03-12 |
| CN112474640B true CN112474640B (en) | 2023-10-20 |
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| WO (1) | WO2022099984A1 (en) |
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| 铁路机车车辆制动管系内壁清洗工艺;程利;韩美荣;;机车车辆工艺(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112474640A (en) | 2021-03-12 |
| WO2022099984A1 (en) | 2022-05-19 |
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