CN115199857A - Ultraviolet curing repair system for urban sewage pipe network - Google Patents
Ultraviolet curing repair system for urban sewage pipe network Download PDFInfo
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- CN115199857A CN115199857A CN202210740659.5A CN202210740659A CN115199857A CN 115199857 A CN115199857 A CN 115199857A CN 202210740659 A CN202210740659 A CN 202210740659A CN 115199857 A CN115199857 A CN 115199857A
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- assembly
- cleaning
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- 230000008439 repair process Effects 0.000 title claims abstract description 48
- 239000010865 sewage Substances 0.000 title abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 34
- 238000001723 curing Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- 239000010813 municipal solid waste Substances 0.000 claims 2
- 230000009471 action Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000003116 impacting effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning In General (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention provides an ultraviolet curing repair system for an urban sewage pipe network, which comprises a sewage disposal unit, wherein the sewage disposal unit comprises: a body and a traveling mechanism; cleaning the assembly; the crushing unit is arranged on the body and positioned at the downstream of the cleaning assembly, and comprises an identification device arranged outside the body and a crushing head rotatably arranged on the body, wherein the identification device is used for identifying the sundry bulge on the inner side wall of the pipeline, and the crushing head is used for crushing and cleaning the sundry bulge; can drive the body through running gear along the axis direction motion of waiting to restore the pipeline, can tentatively clear up the filth of pipeline inside wall through the subassembly of decontaminating, then clear away the protruding debris broken handle that can not fall to the subassembly of decontaminating attached to the pipeline inside wall through broken cell to guarantee the effect to pipeline inside wall clearance, avoid leading to repairing fold, bellied phenomenon often can appear because of the clearance thoroughly.
Description
Technical Field
The invention relates to the technical field of pipeline repair, in particular to an ultraviolet curing repair system for an urban sewage pipe network.
Background
The repair of the underground drainage pipeline comprises an excavated pipeline repair technology and a non-excavated pipeline repair technology, and the non-excavated pipeline repair technology is a technology for repairing the pipeline under the condition of no excavation, and is more and more widely applied because the technology has the advantages of quick repair and small influence on ground traffic during repair.
At present, the most adopted non-excavation pipeline repair technology is an ultraviolet curing repair technology, which adopts the method that sundries in a pipeline to be repaired are cleaned firstly, then the interior of the pipeline is cleaned, then a certain pressure of air pressure is introduced into a repair pipe to ensure that the repair pipe is attached to the pipeline to be repaired, then an ultraviolet lamp tube is adopted to irradiate the ultraviolet repair pipe to ensure that UV in the ultraviolet repair pipe is taught and cured, thereby achieving the aim of repairing the pipeline, the aim of cleaning the inner wall of the pipeline is to completely clean the sundries in the pipeline, thereby ensuring that the repair pipe can be well attached to the inner wall of the pipeline, thereby ensuring the repair quality, the currently commonly used ultraviolet curing repair technology adopts the steps of putting the whole ultraviolet repair pipe into a sewage discharge pipeline, sealing and inflating two plugs of the ultraviolet repair pipe by using a sealing inflation assembly, the ultraviolet repairing pipe is attached to the inner wall of the sewage pipeline after being expanded, the ultraviolet lamp pipeline trolley runs from one end in the ultraviolet repairing pipe to the other end of the ultraviolet pipeline, so that the UV curing rubber tube layer of the ultraviolet repairing pipe is cured, the inner wall of the sewage pipeline is supported, and repair of a plurality of damaged points on the sewage pipeline is completed.
Disclosure of Invention
In view of the above, it would be desirable to provide a uv curing repair system for municipal sewage networks that at least partially addresses the technical problems of the prior art.
The invention provides an ultraviolet curing repair system for an urban sewage pipe network, which comprises a sewage disposal unit, wherein the sewage disposal unit comprises:
the body is provided with a plurality of grooves,
the walking mechanism is arranged on the body and used for driving the body to move along the axial direction of the pipeline;
cleaning the assembly; the cleaning device is arranged at one end of the body and used for cleaning the inner side wall of the pipeline when the body moves along the axis direction of the pipeline;
the crushing unit is arranged on the body and located at the downstream of the cleaning assembly, and comprises a recognition device arranged outside the body and a crushing head arranged on the body in a rotating mode, the recognition device is used for recognizing the sundries on the inner side wall of the pipeline in a protruding mode, and the crushing head is used for crushing and cleaning the sundries in a protruding mode.
Further, the recognition device is one or two of a visual detection device and a sound wave detection device, and the recognition device is arranged between the crushing head and the cleaning assembly.
Furthermore, the crushing unit comprises a rotating sleeve which is coaxially arranged with the body and is in rotating fit with the body, and a driving device which is used for driving the rotating sleeve to rotate around the axis of the rotating sleeve; the crushing head is arranged on the outer side wall of the rotating sleeve.
Further, the crushing head includes the shell body, keep away from along rotating the cover radial direction in the shell body and rotate the cover and set gradually striking subassembly and broken subassembly, broken subassembly includes the first direction passageway that sets up along rotating the cover radial direction, the slip direction sets up the inertia piece in the direction passageway, the one end that striking subassembly was kept away from to first direction passageway is provided with spacing face, be provided with the through-hole with the coaxial setting of first direction passageway on the spacing face, the tip of inertia piece is provided with the hammering post with through-hole looks adaptation, the striking subassembly can provide the impact to the inertia piece, so that inertia piece utilizes inertia to slide to spacing face in first direction passageway, and make the hammering post stretch out through-hole hammering debris protruding.
Further, be provided with the cushion on the spacing face, inertia piece is provided with the stress surface with cushion looks adaptation, and the inertia piece can be after being strikeed by striking subassembly extrusion cushion under the inertial action and accomplish hammering debris arch, and the cushion can kick-back the inertia piece to the one end that second guide way is close to striking subassembly.
Furthermore, the impact assembly comprises a second guide which is coaxial with the first guide channel, and a sliding block which is arranged in the second guide channel in a sliding manner, wherein one end of the second guide channel, which is communicated with the first guide channel, is provided with a second limiting surface, the sliding block is in sealing fit with the inner side surface of the second guide channel, one end of the second guide channel, which is far away from the first guide channel, is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively provided with an electromagnetic valve, the liquid inlet is communicated with a constant-voltage source, and the constant-voltage source is used for supplying a flowing medium with constant pressure.
Furthermore, one end, far away from the first guide channel, of the second guide channel is further provided with a variable electromagnet, a permanent magnet is configured on the sliding block, and the variable electromagnet is an electromagnet with a variable magnetic force direction.
Further, the crushing head still includes the power telescoping unit who sets up between shell body and rotation cover, and power telescoping unit can stretch out and draw back along first direction passageway's axial direction.
The invention provides an ultraviolet curing repair system for an urban sewage pipe network, which can drive a body to move along the axial direction of a pipeline to be repaired through a travelling mechanism, can primarily clean dirt on the inner side wall of the pipeline through a dirt cleaning assembly, and then crush and treat protruding sundries which are attached to the inner side wall of the pipeline and cannot be cleaned through a crushing unit, so that the effect of cleaning the inner side wall of the pipeline is ensured, and the phenomenon that the inner side wall of the pipeline is frequently folded and protruded due to incomplete cleaning is avoided.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dirt removing assembly in an ultraviolet curing repair system for an urban sewage pipe network according to the present invention.
Fig. 2 is a schematic side view of a cleaning assembly in an ultraviolet curing repair system for an urban sewer network according to the present invention.
Fig. 3 is a schematic view of the internal structure of a crushing head in the ultraviolet curing repair system for an urban sewer network according to the present invention.
Fig. 4 is a schematic diagram of a partially enlarged structure of a crushing head in an ultraviolet curing repair system for an urban sewage pipe network according to the present invention.
Fig. 5 is a schematic view of a partial enlarged structure at a position a in the ultraviolet curing repair system for an urban sewer network according to the present invention.
Fig. 6 is a schematic cross-sectional structure view of a first shell in an ultraviolet curing repair system for an urban sewer network according to the present invention.
Fig. 7 is a bottom view of the first housing of fig. 6.
Fig. 8 is a schematic cross-sectional structure view of a cylindrical member in an ultraviolet curing repair system for an urban sewer network according to the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The invention provides an ultraviolet curing repair system for an urban sewage pipe network, which comprises a sewage disposal unit 1 as a specific implementation mode with reference to figures 1-8, and is characterized in that the sewage disposal unit comprises: the body 10 is provided with a plurality of grooves,
the travelling mechanism 11 is arranged on the body 10 and used for driving the body 10 to move along the axial direction of the pipeline; a cleaning assembly 12; the cleaning device is arranged at one end of the body and used for cleaning the inner side wall of the pipeline when the body moves 10 along the axis direction of the pipeline;
the crushing unit 13 is arranged on the body 10 and located at the downstream of the cleaning assembly 12, and comprises an identification device 13a arranged outside the body and a crushing head 13b arranged on the body 10 in a rotating mode, wherein the identification device 13a is used for identifying sundries on the inner side wall of the pipeline in a protruding mode, and the crushing head 13b is used for crushing and cleaning the sundries in the protruding mode.
Referring to fig. 1, as a specific embodiment, the body 10 is configured as a cylindrical structure, the traveling mechanism 11 includes a plurality of support rods 110 that are uniformly spaced around a central axis of the body 10, rollers 111 are disposed at ends of the support rods, wherein a driving motor (not shown) is disposed between the rollers 111 and the support rods, the support rods 110 are connected to the body 10 by pins, and torsion springs (not shown) are further disposed on the pins, so that the support rods can rotate outward around the pins by the torsion springs.
Further, referring to fig. 1 and 2, the specific structure of the cleaning assembly 12 is: including setting up in the 10 tip of body and rotating the radial shower nozzle 121 that sets up around the body axis, set up in radial shower nozzle low reaches and rotate the brush 122 that sets up around the body axis and be used for driving radial shower nozzle 121 and brush 122 pivoted drive arrangement (not shown), be provided with high-pressure delivery pipe 123 in the body inside, be used for supplying high-pressure water source to radial shower nozzle, when walking the running gear drive body walking, drive arrangement can drive radial shower nozzle 121 and brush and rotate, it clears up the pipeline inner wall to spray high-pressure rivers through radial shower nozzle, scrub closing through the brush, thereby the time will be attached to the debris on pipe wall surface, mud washs and discharges together with rivers, thereby realize the preliminary clearance to the pipeline, wherein drive arrangement can select driving motor for use.
Specifically, as some hard and firmly-adhered impurities are adhered to the inner side wall of the pipeline, especially the bottom of the pipeline, and are difficult to clean only through the cleaning assembly 12, in order to clean such impurities, the ultraviolet curing repair system for the urban sewage pipe network further comprises a crushing unit, as a specific implementation mode, referring to the figure, the use method of the crushing unit 13 is as follows: at first, the pipeline inside wall that carries out preliminary clearance is detected through the recognition device 13a who sets up on the body outer peripheral face, gather the information of discernment pipeline medial surface, it is protruding to acquire the adnexed debris of pipe wall, and acquire its positional information, and transmit positional information to broken head 13b, the work is then moved to the position corresponding with the debris arch after broken head acquires the bellied positional information of debris, it is broken to assault the debris arch, thereby realize the purpose to the protruding clearance of pipeline inside wall debris.
Further, as a specific embodiment, the recognition device 13a is one or two of a visual detection device and an acoustic detection device, and the recognition device is disposed between the crushing head 13b and the cleaning assembly 12, specifically, the visual detection device includes a plurality of cameras disposed at regular intervals around the axis of the body, wherein the detection method of the visual detection device is as follows: the method comprises the steps of obtaining picture information of the inner side wall of a pipeline, processing the picture information to judge whether a bulge is attached to the inner side wall of the pipeline or not, obtaining position information of the bulge when the bulge is formed, specifically, when a plurality of cameras are arranged, calibrating the position of the pipeline according to the set positions and the position of a body, calibrating the position of a crushing head and the position of the body, obtaining the position information of a camera for shooting the bulge when the position of the bulge is judged, obtaining the position information of the bulge on the picture according to the picture shot by the camera, obtaining the position information of the bulge relative to the body, transmitting the information to the crushing head, enabling the crushing head to rotate around the axis of the body firstly, enabling the crushing head to correspond to the bulge, then obtaining the current speed of the body movement according to the distance between the crushing head and the bulge, obtaining the time t when the crushing head reaches the bulge, and controlling the crushing head to work right opposite to the bulge after the time t of the body movement is long, and cleaning the bulge; in a similar way, when recognition device adopted the sound wave detecting element, can set up a plurality ofly on the body surface equally to divide the region to detect, and when detecting through the sound wave, the restriction of not receiving light also can detect when there is water body inside, therefore recognition device can adopt visual detection and the supplementary mode of sound wave detection looks to detect the protrusion position, can reach better recognition effect.
Further, as a specific embodiment, with reference to fig. 1, 3-8, the crushing unit 13 comprises a rotating sleeve 13c, which is coaxially arranged with the body and is in rotating fit, driving means for driving the rotating sleeve 13c to rotate around its axis; the crushing head 13b is provided on the outer side wall of the rotating sleeve 13c, and in particular, by providing the rotating sleeve 13c, the purpose of driving the crushing head to rotate about the axis of the body can be achieved.
Further, referring to fig. 3, the crushing head 13b includes an outer shell 131, the outer shell is internally provided with an impact assembly 132 and a crushing assembly 133 in sequence along the radial direction of the rotating sleeve 13c away from the rotating sleeve 13c, the crushing assembly includes a first guide passage 1331 arranged along the radial direction of the rotating sleeve, and an inertia piece 1332 arranged in the guide passage 1331 in a sliding guide manner, one end of the first guide passage 1331 away from the impact assembly 132 is provided with a limiting surface 1333, the limiting surface is provided with a through hole 1334 coaxially arranged with the first guide passage, the end of the inertia piece is provided with a hammering column 1335 adapted to the through hole, and the impact assembly 132 can provide impact force to the inertia piece, so that the inertia piece slides to the limiting surface in the first guide passage by using inertia, and the hammering column extends out of the through hole 1334 to hammer sundries.
Referring to fig. 3-8, a structural schematic diagram of a state that the crushing head is at an initial position is shown, at this time, the inertia piece 1332 is located at one end of the first guide channel 1331 close to the striking assembly, when the crushing head corresponds to a protrusion, the crushing head is at the initial position, then the striking head is connected to the protrusion, then the inertia piece is struck by the striking assembly 132, the inertia piece slides rapidly along the first guide channel after being struck, so that the striking column 1335 strikes the protrusion, thereby crushing the protrusion, then the inertia piece contacts and strikes the limiting surface 1333, the inertia piece is rebounded, and returns to one end of the first guide channel close to the striking assembly 132, thereby facilitating the next striking operation, wherein the specific structure and the operation principle of the striking assembly are described in detail below.
Further, as a preferred embodiment, referring to fig. 3, in order to ensure that the inertia block can rebound with sufficient resilience, as a preferred embodiment, an elastic pad 1336 is arranged on the limiting surface 1333, the inertia member is provided with a force bearing surface 13320 matched with the elastic pad, the inertia member can press the elastic pad 1335 under the action of inertia after being impacted by the impact assembly to complete the protrusion of the hammering sundries, and the elastic pad can rebound the inertia member to one end of the second guide channel close to the impact assembly.
Further, the impact assembly 132 includes a second guide channel 1320 coaxial with the first guide channel, and a sliding block 1321 slidably disposed in the second guide channel 1320, a second limiting surface 13201 is disposed at one end of the second guide channel 1320, where the second guide channel is communicated with the first guide channel, the sliding block 1321 is in sealing fit with an inner side surface of the second guide channel, a liquid inlet 1322 and a liquid outlet 1323 are disposed at one end of the second guide channel 1320, which is far away from the first guide channel, both the liquid inlet and the liquid outlet are provided with electromagnetic valves 1324, the liquid inlet 1322 is communicated with a constant pressure source, and the constant pressure source is used for supplying a flowing medium with a constant pressure.
Specifically, as an embodiment, when the impact assembly is used, as a specific embodiment, the liquid inlet 1322 is connected to the high-pressure water supply pipe 123 through a water supply hose 1336, the constant-pressure source is a water pump for supplying a high-pressure water source to the radial nozzle, and the impact assembly 132 operates according to the following principle: when the crushing head needs to be crushed, the electromagnetic valve 1324 communicated with the liquid inlet 1322 is opened, the other electromagnetic valve 1324 is closed, high-pressure water flow can be instantly filled into the second guide channel at the moment, so that the sliding block 1321 is pushed to slide rapidly, part of the sliding block extends rapidly to impact the inertia block until the sliding block is connected with the second limit surface 13201, the electromagnetic valve communicated with the liquid inlet is closed at the moment, the electromagnetic valve communicated with the liquid outlet 1323 is opened, part of liquid flows out of the liquid outlet at the moment, the inertia block is rebounded after impacting the limit surface 1333, a certain impact effect can be exerted on the sliding block in the rebounding process, the sliding block can slide for a certain distance in the direction far away from the first guide channel, the liquid is extruded from the liquid outlet, and then the electromagnetic valve communicated with the liquid outlet is controlled to be closed, so that the impact action is completed.
Specifically, it can be understood that, since the inertia block consumes a large amount of kinetic energy when impacting and crushing the protrusion, the kinetic energy is limited when rebounding, so that the impact force on the sliding block after rebounding is limited, and the sliding block cannot completely return to the initial position, the current solution is generally to arrange two or three impact heads on the rotating sleeve 13c, after one impact head is used, the impact head is rotated to a higher position, so that the water flow in the second guide channel flows out from the liquid outlet under the action of gravity, and the sliding block vertically slides downward under the action of the gravity of the sliding block and the air pressure in the first guide channel, and after a certain time, the electromagnetic valve communicated with the liquid outlet is closed, and at the same time, the protrusion is crushed by other crushing heads, but this way can increase the return distance of the sliding block, the impact effect of the impact assembly is ensured, but the efficiency is not high, in order to solve the problem, as a further improvement, the end of the second guide channel 1320 far away from the first guide channel is further provided with a variable electromagnet 1325, a permanent magnet 1326 is configured on the sliding block 1321, the permanent magnet is fixedly connected and matched with the sliding block, the variable electromagnet is an electromagnet with a variable magnetic force direction, through the configuration mode, when the impact assembly finishes the impact action, the variable electromagnet is simultaneously controlled to work, the variable electromagnet and the permanent magnet generate repulsive magnetic force, at the moment, the sliding block can drive the sliding block to slide under the simultaneous action of the magnetic force and the water pressure, so that larger impact force can be obtained, after the impact action is finished, the electromagnetic valve communicated with the liquid inlet is closed, the electromagnetic valve communicated with the liquid outlet is opened, at the moment, the magnetic force direction of the variable electromagnet is simultaneously changed, provide the magnetic adsorption power to permanent magnet 1326, through the impact of magnetic adsorption power and inertia piece, can make the quick return of sliding block to can improve the work efficiency of striking group price greatly.
Further, as a preferred embodiment, the crushing head 13b further comprises a power expansion unit 13d disposed between the outer shell and the rotating sleeve 13c, and the power expansion unit 13d can expand and contract along the axial direction of the first guiding passage, so as to drive the crushing head to move along the radial direction according to the height of the protrusions, and the crushing head is in contact with the protrusions, wherein the power expansion rod can be an electric expansion rod, a hydraulic expansion rod, or the like.
As a specific embodiment, the housing 131 includes a first housing 1310 connected to the impact component and a second housing 1311 disposed at one end of the first housing far from the impact component, the first housing is provided with a matching cavity 13101 coaxially disposed with the first guiding channel, the second housing is guided and disposed in the matching cavity 13101, the first guiding channel includes a first section 1311a disposed in the first housing and a second section 1311b disposed in the second housing, the first limiting surface is disposed at an end of the second section, an annular limiting plate 13102 coaxially disposed with the first guiding channel is disposed in the matching cavity 13101, one end of the second housing near the second housing is provided with at least two elastic arms 13111 disposed oppositely, the elastic arms are provided with clamping protrusions 13112, and the clamping protrusions 13112 are clamped and limited-matched with one surface of the annular limiting clamping plate 13102 near the first housing; the second shell is further provided with a force bearing surface 13223, the force bearing surface 13223 is arranged on one side, away from the first shell, of the annular limiting plate 13102, the first pressure spring 13113 is arranged between the force bearing surface and the annular limiting plate 13102, a detection unit used for detecting the elastic sliding distance of the second shell against the first pressure spring 13113 is further arranged in the second guide channel, through the arrangement mode, when the crushing head contacts with the bulge, the crushing head is firstly shortened through the power telescopic rod, when the bulge is reached, the power telescopic rod is controlled to stretch out, when the second shell contacts with the bulge, the second shell can resist the pressure movement of the first pressure spring, at the moment, the displacement of the second shell is detected through the detection unit, and therefore whether the second shell is in contact with the bulge or not can be detected, wherein the detection unit can select any one of a displacement sensor and a pressure sensor, when the pressure sensor detects, the second pressure spring 13115 is arranged between the pressure sensor and the second shell, and when the displacement of the second shell is detected, the second shell, the compression amount of the second pressure applied to the pressure sensor is larger, and the larger the pressure on the pressure sensor is obtained, and the displacement amount of the second shell is larger.
Further, as a preferred embodiment, an annular cutting edge 13116 is arranged around the first guide channel at the end of the second housing far from the first housing, and the side wall of the cutting edge is gradually thickened from the edge section to the second housing, by this arrangement, when the protrusion is crushed, the expansion amount of the power telescopic rod can be controlled, so that the first pressure spring is compressed by a certain distance L1, so that the second housing can apply a certain pressure on the protrusion, so that the annular cutting edge can cut into the protrusion, when the inertia block drives the impact head to impact the protrusion, the impact head is firstly contacted with the protrusion and is contacted with the first limit surface along with the movement of the inertia block, so that the second housing can be impacted, so that the second housing can be driven to move under the dual force of the impact force and the first pressure spring, so that the protrusion is impacted, the protrusion is impacted by the impact head with a smaller diameter, and then by the cutting edge, and because the side wall of the cutting edge is gradually thickened, a better crushing effect can be achieved.
Further, it will be appreciated that, since there is water working inside the conduit, in order to avoid water flow into the interior of the crushing head, it is preferred that the inertia member is a cylindrical member, and that in the initial position, a portion of the inertia member is located within the second section of the first guide channel, and the circumferential outer surface of the inertia member is in sealing sliding engagement with the second section.
Further, it can be understood that the crushing of the protrusion by the crushing head mainly depends on the inertia of the inertia member to impact and crush the protrusion after the impact assembly impacts the inertia member, therefore, to ensure that the crushing effect is to ensure that the inertia block obtains enough inertia force, which is to ensure that the inertia block stays at the end of the first guide channel close to the second guide channel after rebounding each time, in order to ensure the staying position of the inertia block, as a preferred embodiment, a limit assembly 134 is further disposed in the first housing, referring to the drawing, the limit assembly includes a mounting cavity disposed between the second housing and the impact assembly, the mounting cavity includes a first bottom surface 13401 disposed on the second housing and a second bottom surface 13402 disposed on the impact assembly, a first annular groove 1341 and a second annular groove 1342 coaxial with the first guide channel are disposed on the first bottom surface, the first annular groove 1341 is disposed between the second annular groove 1342 and the first guide channel, the bottom surface of the first annular groove 1341 is provided with a channel 13410 corresponding to the elastic arm 11, a cylindrical guide member is disposed in the first annular groove 13406, a second annular groove 1342 is disposed between the second groove 1343 and the second groove 1346, a second elastic pressure sensor is disposed on the bottom surface of the annular groove 13106, and a second elastic groove 13106, a second elastic pressure sensor is disposed on the second elastic groove 13106, the middle position of the driving rod is rotatably connected with a pin 1348, and the driving rod comprises a first end contacted with the first elastic claw and a second end extending to one side of the second guide channel; a channel 13403 is arranged on the side wall of the first annular groove adjacent to the first guide channel, a limit column 13404 is arranged in the channel in a guiding manner, a second annular side 13107 which expands outwards is arranged at one end, close to the second shell, of the cylindrical part 13106, a connecting inclined surface 13108 is arranged between the second annular side and the inner side wall of the cylindrical part, when the first elastic claw and the second elastic claw are clamped, the second annular side 13404 surrounds the limit column 13404, a concave pit 13321 which is matched with the limit column and a strip-shaped groove 13322 which is connected with the concave pit are arranged on the outer side surface of the inertia part 1332, the strip-shaped groove is arranged along the axial direction of the first guide channel, the depth of the strip-shaped groove is smaller than that of the concave pit, the strip-shaped groove 13322 is arranged, when the second annular side is surrounded on the periphery of the limit column, one end of the guide column can be connected with the second annular side, the other end of the guide column can be positioned in the strip-shaped groove 13322, the strip-shaped groove is arranged so as to prevent the inertia part from sliding along the first guide channel, and ensure that the first elastic claw and the second elastic claw are always corresponding to the second elastic claw; when the first elastic clamping jaw and the second elastic clamping jaw are separated, the end part of the cylindrical part close to the second shell is abutted against the bottom of the first annular groove under the action of the elastic force of the second pressure spring, and the inner side surface of the cylindrical part surrounds the outer side of the limiting column 13404 at the moment.
Further, as a preferred embodiment, the predetermined compression amount L1 is in a range of 10mm to 20mm, after the inertia member contacts the elastic pad, the length of the hammering column that can extend out of the annular cutting edge 13116 is L2, and the range of 20mm to 25mm, by this limiting method, when the protrusions attached to the pipe wall are crushed by the crushing head, the time difference between the contact of the crushing head and the contact of the annular cutting edge 13116 and the protrusions is 0.03 second to 0.05 second, which can achieve a better crushing effect, and statistically, the height of the protrusions attached to the inner side of the pipe wall is generally 30mm to 50mm, so that the hammering column can be ensured to have enough stroke to crush the protrusions without damaging the inner side wall of the pipe wall by the limiting method of L1 and L2.
Further, as a preferred embodiment, in order to ensure that the inertia member can obtain enough kinetic energy to ensure the crushing effect, wherein the pressure of the flowing medium introduced into the second guide channel is P1, the total mass of the sliding block and the permanent magnet is m1, the cross-sectional area of the second guide channel is S1, the mass of the inertia member is m2, when the clamping protrusion 13112 contacts with the annular limiting plate 13102, the displacement amount of the inertia block from the end located near the second guide channel to the end where the inertia block slides to contact with the elastic pad is m2D1, the friction coefficient between the inertia part and the first guide channel is mu, and the adjustment coefficient is&The value range is 0.23-1.58, and the second regulating coefficient is&2, the value range is 0.38-0.57, when the sliding block is at the farthest position away from the first guide channel, the repulsive magnetic force generated by the variable electromagnet on the permanent magnet is F1, the displacement of the sliding block in the second guide channel capable of moving is D2, the time length of the sliding block which can be contacted with the inertia member when impacting the inertia member is t2, and then D1= m1g&/(μ(P1*S1+F1) 1/2 ) + D, wherein D is a constant and takes the value of 10cm; d2= [ 2 (1 +)&2)D1(P1*S1+F1)/mg】 1/2 +L1+L2。
Specifically, the cleaning of the protrusions by the crushing head comprises the following steps:
step one, working through a travelling mechanism and a rotating sleeve, enabling a crushing head to correspond to a bulge;
step two, controlling the power telescopic rod to extend out, enabling the annular cutting edge 13116 at the end part of the second shell to be in contact with the protruding object, and enabling the second shell to move relative to the first shell when resisting the elastic force of the first pressure spring;
step three, the second shell moves to enable the elastic arm to apply thrust to the cylindrical part through the channel 13410, so that the cylindrical part is pushed to move to compress the second pressure spring, at the moment, the pressure sensor detects pressure change to obtain displacement of the second shell resisting elastic movement of the first pressure spring, after a preset amount L1 is compressed, the first clamping jaw is clamped and matched with the second clamping jaw, and the power telescopic rod stops extending;
fourthly, controlling an electromagnetic valve and a variable electromagnet which are communicated with the liquid inlet to work, wherein the variable electromagnet generates a magnetic force which repels the permanent magnet, and water flows into the second guide channel from the liquid inlet, so that the sliding block 1321 is pushed to move rapidly, and the hammering action is generated on the inertia part;
fifthly, the inertia piece is hammered by the sliding block and moves rapidly along the first guide channel, so that the hammering head hammers the bulge, the inertia piece is in contact with the elastic pad on the first limiting surface in the hammering process, the second shell is pushed to move, the annular cutting edge 13116 at the end of the second shell generates secondary impact on the bulge, and the crushing effect is improved;
step six, the inertia piece rebounds from the elastic pad after the hammering action is finished, the end part impacts the end part of the driving rod 1349 and the sliding block, the driving rod is made to rotate to push the first clamping jaw to bend outwards, the first clamping jaw is separated from the second clamping jaw, the cylindrical piece rebounds under the action of the elastic force of the second pressure spring, the connecting inclined plane 13108 is contacted with the end part of the limiting column 13404 when the cylindrical piece rebounds, inward movement thrust is provided for the limiting column, the end part of the limiting column can extend into the strip-shaped groove 13322 at the moment, the inertia piece rebounds again after impacting the driving rod and the sliding block, the pit corresponds to the limiting column in the rebounding process, the limiting column 13404 is pushed to slide into the pit under the action of the elastic force of the second pressure spring at the moment, scientific and technological clamping limiting is carried out on the inertia piece at the moment, and the inertia piece is prevented from sliding;
and step seven, after the sliding block impacts the inertia part, controlling the electromagnetic valve communicated with the liquid inlet to be closed and the electromagnetic valve communicated with the liquid outlet to be opened, controlling the variable electromagnet to convert magnetism, generating magnetic attraction force on the permanent magnet, driving the sliding part to move, and discharging the liquid in the second passage to the channel from the liquid outlet.
Eighthly, repeating the first step to the seventh step, and cleaning the convex sundries on the inner side wall of the pipeline one by one, so that the cleaning effect on the inner side wall of the pipeline is ensured;
and step nine, arranging a photocuring repair pipe in the cleaned pipeline, plugging two ends of the photocuring repair pipe, filling gas into the repair pipe, and irradiating by using an ultraviolet lamp to cure the UV glue in the repair pipe, so that repair is completed.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides an ultraviolet curing repair system for urban sewer pipe network, includes trash cleaning unit (1), its characterized in that trash cleaning unit includes:
a body (10) of the device,
the travelling mechanism (11) is arranged on the body (10) and is used for driving the body (10) to move along the axial direction of the pipeline;
a cleaning assembly (12); the cleaning device is arranged at one end of the body and used for cleaning the inner side wall of the pipeline when the body (10) moves along the axis direction of the pipeline;
the crushing unit (13) is arranged on the body (10) and located at the downstream of the cleaning assembly (12), and comprises an identification device (13 a) arranged outside the body and a crushing head (13 b) arranged on the body (10) in a rotating mode, wherein the identification device (13 a) is used for identifying sundries on the inner side wall of the pipeline, and the crushing head (13 b) is used for crushing and cleaning the sundries.
2. The UV-curing repair system for urban sewer networks according to claim 1, characterized in that the identification means (13 a) is one or both of a visual detection means and a sonic detection means, and is disposed between the crushing head (13 b) and the cleaning assembly (12).
3. The UV-curing repair system for urban sewer networks according to claim 2, characterized in that the breaking unit (13) comprises a rotating sleeve (13 c) coaxially arranged with the body and rotatably engaged therewith, and drive means for driving the rotating sleeve (13 c) to rotate around its axis; the crushing head (13 b) is provided on the outer side wall of the rotating sleeve (13 c).
4. The ultraviolet curing repair system for the urban sewer network according to claim 2, wherein the crushing head (13 b) comprises an outer shell (131), an impact assembly (132) and a crushing assembly (133) are sequentially arranged in the outer shell along a radial direction of the rotating sleeve (13 c) away from the rotating sleeve (13 c), the crushing assembly comprises a first guide channel (1331) arranged along the radial direction of the rotating sleeve, an inertia member (1332) arranged in the guide channel (1331) in a sliding guide manner, a limiting surface (1333) is arranged at one end of the first guide channel (1331) away from the impact assembly (132), a through hole (1334) coaxially arranged with the first guide channel is arranged on the limiting surface, a hammering column (1335) matched with the through hole is arranged at the end part of the inertia member, the impact assembly (132) can provide impact force for the inertia block, so that the inertia member slides to the limiting surface in the first guide channel by utilizing inertia, and the hammering column extends out of the sundry hammering protrusion.
5. The ultraviolet curing repair system for the urban sewer network according to claim 4, wherein an elastic pad (1335) is arranged on the limiting surface (1333), the inertia member is provided with a force bearing surface (13320) matched with the elastic pad, the inertia member can press the elastic pad (1335) under the inertia effect to complete hammering sundry protrusions after being impacted by the impact assembly, and the elastic pad can rebound the inertia member to one end of the second guide channel close to the impact assembly.
6. The ultraviolet curing repair system for the urban sewer network according to claim 5, wherein the impact assembly (132) comprises a second guide channel (1320) coaxially arranged with the first guide channel, and a sliding block (1321) slidably arranged in the second guide channel (1320), wherein a second limit surface (13201) is arranged at one end of the second guide channel (1320) communicated with the first guide channel, the sliding block (1321) is in sealing fit with the inner side surface of the second guide channel, a liquid inlet (1322) and a liquid outlet (1323) are arranged at one end of the second guide channel (1320) far away from the first guide channel, each of the liquid inlet and the liquid outlet is provided with an electromagnetic valve (1324), the liquid inlet (1322) is communicated with a constant pressure source, and the constant pressure source is used for supplying a flowing medium with a constant pressure.
7. The ultraviolet curing repair system for the urban sewer network according to claim 6, wherein a variable electromagnet (1325) is further arranged at one end of the second guide channel (1320) far away from the first guide channel, and a permanent magnet (1326) is arranged on the sliding block (1321), wherein the variable electromagnet is an electromagnet with a variable magnetic force direction.
8. The UV-curing repair system for urban sewer networks according to claim 5, characterized in that the crushing head (13 b) further comprises a power expansion unit (13 d) disposed between the outer shell and the rotating sleeve (13 c), the power expansion unit (13 d) being capable of expanding and contracting in the axial direction of the first guide channel.
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| CN202210740659.5A CN115199857B (en) | 2022-06-28 | 2022-06-28 | Ultraviolet curing repair system for urban sewage pipe network |
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| CN202210740659.5A CN115199857B (en) | 2022-06-28 | 2022-06-28 | Ultraviolet curing repair system for urban sewage pipe network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146825A (en) * | 2023-02-21 | 2023-05-23 | 道雨耐节能科技宿迁有限公司 | Mobile robot for pipeline detection and repair |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101708054B1 (en) * | 2015-12-31 | 2017-02-20 | 이기원 | Non-powered hybrid pneumatic pipeline cleaning ICT moving trucks |
| CN109577472A (en) * | 2019-01-07 | 2019-04-05 | 哈尔滨理工大学 | It is a kind of cylindrical shape sewer cleaning and maintaining robot |
| CN110042904A (en) * | 2019-04-30 | 2019-07-23 | 上海誉帆环境科技有限公司 | A kind of prosthetic device and method in urban underground water drainage pipe road |
| CN111389826A (en) * | 2020-03-25 | 2020-07-10 | 上海隧道工程股份有限公司 | Pipeline hammering and cleaning equipment |
| CN211386161U (en) * | 2019-12-24 | 2020-09-01 | 南京禹帆环境科技有限公司 | Be used for prosthetic pipeline inner wall belt cleaning device of non-excavation |
| CN111750206A (en) * | 2020-06-17 | 2020-10-09 | 上海懿诚市政工程有限公司 | Ultraviolet light curing pipeline repairing method |
| CN112361120A (en) * | 2020-10-15 | 2021-02-12 | 天津大学 | Non-excavation formula pipeline maintenance all-in-one |
| CN213452381U (en) * | 2020-09-25 | 2021-06-15 | 浙江蓝清市政建设集团有限公司 | Whole ultraviolet curing of rain sewage pipeline restores robot |
| CN215294134U (en) * | 2021-07-08 | 2021-12-24 | 江苏荣通环境建设有限公司 | A non-excavation formula prosthetic devices for big pipe diameter municipal administration pipeline |
| CN113976557A (en) * | 2021-09-18 | 2022-01-28 | 安徽机电职业技术学院 | Robot for dredging oil pipeline with directional dredging structure |
| CN215940940U (en) * | 2021-11-01 | 2022-03-04 | 山东积高环境工程有限公司 | Urban drainage pipeline repairing device |
-
2022
- 2022-06-28 CN CN202210740659.5A patent/CN115199857B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101708054B1 (en) * | 2015-12-31 | 2017-02-20 | 이기원 | Non-powered hybrid pneumatic pipeline cleaning ICT moving trucks |
| CN109577472A (en) * | 2019-01-07 | 2019-04-05 | 哈尔滨理工大学 | It is a kind of cylindrical shape sewer cleaning and maintaining robot |
| CN110042904A (en) * | 2019-04-30 | 2019-07-23 | 上海誉帆环境科技有限公司 | A kind of prosthetic device and method in urban underground water drainage pipe road |
| CN211386161U (en) * | 2019-12-24 | 2020-09-01 | 南京禹帆环境科技有限公司 | Be used for prosthetic pipeline inner wall belt cleaning device of non-excavation |
| CN111389826A (en) * | 2020-03-25 | 2020-07-10 | 上海隧道工程股份有限公司 | Pipeline hammering and cleaning equipment |
| CN111750206A (en) * | 2020-06-17 | 2020-10-09 | 上海懿诚市政工程有限公司 | Ultraviolet light curing pipeline repairing method |
| CN213452381U (en) * | 2020-09-25 | 2021-06-15 | 浙江蓝清市政建设集团有限公司 | Whole ultraviolet curing of rain sewage pipeline restores robot |
| CN112361120A (en) * | 2020-10-15 | 2021-02-12 | 天津大学 | Non-excavation formula pipeline maintenance all-in-one |
| CN215294134U (en) * | 2021-07-08 | 2021-12-24 | 江苏荣通环境建设有限公司 | A non-excavation formula prosthetic devices for big pipe diameter municipal administration pipeline |
| CN113976557A (en) * | 2021-09-18 | 2022-01-28 | 安徽机电职业技术学院 | Robot for dredging oil pipeline with directional dredging structure |
| CN215940940U (en) * | 2021-11-01 | 2022-03-04 | 山东积高环境工程有限公司 | Urban drainage pipeline repairing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146825A (en) * | 2023-02-21 | 2023-05-23 | 道雨耐节能科技宿迁有限公司 | Mobile robot for pipeline detection and repair |
| CN116146825B (en) * | 2023-02-21 | 2023-10-27 | 道雨耐节能科技宿迁有限公司 | Mobile robot for pipeline detection and repair |
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|---|---|
| CN115199857B (en) | 2023-12-05 |
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