CN110030458A - A kind of local route repair device for drainage pipeline - Google Patents
A kind of local route repair device for drainage pipeline Download PDFInfo
- Publication number
- CN110030458A CN110030458A CN201910352690.XA CN201910352690A CN110030458A CN 110030458 A CN110030458 A CN 110030458A CN 201910352690 A CN201910352690 A CN 201910352690A CN 110030458 A CN110030458 A CN 110030458A
- Authority
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- China
- Prior art keywords
- arc
- body supports
- supports cylinder
- support shaft
- local route
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16L55/26—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
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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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/12—Cleaning
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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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/60—Stopping leaks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of local route repair devices for drainage pipeline, local route repair device includes body supports cylinder, notch is formed on body supports cylinder, body supports cylinder is internally provided with support shaft, support shaft is connected by expansion link mechanism with the inner surface of body supports cylinder, and support shaft is connected with pressing plate by cylinder；Body supports cylinder is double-layer structure, and inside is formed with sliding chamber, the sliding intracavitary arc that is slidably provided with clears up plate, the medial surface of body supports cylinder is provided with the arc-shaped slot being connected with sliding chamber, it is provided with arc draw runner on one side close to arc-shaped slot in arc cleaning plate, driving gear is also can be rotatably set in support shaft, driving gear is meshed at least partially through arc-shaped slot and with arc draw runner.It is not easy to control to solve traditional air pressure or hydraulic pressure, air bag, water pocket cracky, and the foreign matters such as scale gathered in pipeline can interfere caducous problem after the stoppings such as resin molding and molding.
Description
Technical field
The present invention relates to pipeline rehabilitation fields, and in particular, to a kind of local route repair device for drainage pipeline.
Background technique
Pipeline rehabilitation refers to, to breakage, the conveyance conduit of leakage takes various technologies that it is made to restore normally to use function,
It includes external anti-corrosion layer reparation and interior reparation that it, which is repaired,；Wherein, interior recovery technique difficulty is bigger, common are in hose inversion method
Lining technology: i.e. the fiber hose with antiseepage film after resin is sufficiently impregnated, using air pressure or hydraulic pressure be allowed to overturning be tightly attached to it is old
Smooth liner glass steel pipe is formed in inner wall of the pipe, after molding, to complete the reparation to old pipeline；Utilize air pressure or hydraulic pressure
When, first is that the bad control of pressure, second is that excessive air bag, the water pocket of will lead to of pressure is damaged, secondly, after pipeline long-time use in it
Portion is easy the foreign matters such as accumulation scale, can interfere the solid molding of hot resin, and the stoppings such as resin after molding are easy to take off again
It falls.
Summary of the invention
The object of the present invention is to provide a kind of local route repair devices for drainage pipeline, solve traditional air pressure or water
Pressure is not easy to control, air bag, water pocket cracky, and the foreign matters such as scale gathered in pipeline can interfere the stoppings such as resin form and at
Caducous problem after type.
To achieve the goals above, the present invention provides a kind of local route repair device for drainage pipeline, the parts
Prosthetic device includes body supports cylinder, and notch along its length, the body supports are formed on the body supports cylinder
The inside of cylinder is coaxially arranged with support shaft, the inner surface that the support shaft passes through multiple expansion link mechanisms and the body supports cylinder
It is connected, the both ends of the support shaft pass through cylinder respectively and are connected with pressing plate, enable the pressing plate from the body supports
Cylinder is internal to be extended to outside the body supports cylinder across the notch；The body supports cylinder is double-layer structure, and internal shape
At there is sliding chamber, two long side ends of the close notch are formed in the body supports cylinder opens with what the sliding chamber was connected
Mouthful, the cunning is intracavitary to be slidably provided with arc cleaning plate, and the medial surface of the body supports cylinder is provided with and the sliding chamber
The arc-shaped slot being connected, the arc are cleared up in plate and are provided with arc draw runner, the branch on one side close to the arc-shaped slot
Also can be rotatably set driving gear on support axis, the driving gear at least partially through the arc-shaped slot and with the arc
Shape draw runner is meshed, so that the driving gear is able to drive arc cleaning plate in the intracavitary surround movement of the cunning, it can
It is set to slide to another end opening from the open at one end of the body supports cylinder.
Preferably, the support frame being further fixed in the support shaft inside the body supports cylinder, support frame as described above
On be fixed with motor, first pulley is coaxially fixed in the rotary head of the motor, also can be rotatably set on support frame as described above
The driving gear, the driving gear face are coaxially fixed with the second belt wheel, the first pulley and second belt wheel it
Between pass through belt connect.
Preferably, the cambered surface far from the arc-shaped slot is fixed with cleaning brush in the arc cleaning plate.
Preferably, the motor is reverse rotating motor.
Preferably, the expansion link mechanism includes the casing being fixed in the support shaft, telescopic rod and fixing head device；
Described sleeve pipe one end is fixed in the support shaft, and the other end face, which is recessed inwardly, is formed with sliding slot, and described telescopic rod one end can
It is slidably disposed in the sliding slot, the other end is fixed with the fixing head device, and the side of described sleeve pipe is provided with multiple and institute
The threaded hole that sliding slot is connected is stated, twist has lock screw on the threaded hole, and rotating the lock screw can stretch described
Contracting bar is at least partly fastened in the sliding slot.
Preferably, the fixing head device includes the arc follow block being fixed on the telescopic rod, the arc follow block
Both ends have extended outward to form fastening part, and the fastening part is connect with the medial surface of the body supports cylinder by bolt assembly.
Preferably, the quantity of the expansion link mechanism is no less than 2 groups.
Preferably, the pressing plate is arcuate structure.
Preferably, the cunning is intracavitary is further fixed on stop block.
According to the above technical scheme, the present invention provides a kind of local route repair device for drainage pipeline, the parts
Prosthetic device includes body supports cylinder, and notch along its length, the body supports are formed on the body supports cylinder
The inside of cylinder is coaxially arranged with support shaft, the inner surface that the support shaft passes through multiple expansion link mechanisms and the body supports cylinder
It is connected, the both ends of the support shaft pass through cylinder respectively and are connected with pressing plate, enable the pressing plate from the body supports
Cylinder is internal to be extended to outside the body supports cylinder across the notch；The body supports cylinder is double-layer structure, and internal shape
At there is sliding chamber, two long side ends of the close notch are formed in the body supports cylinder opens with what the sliding chamber was connected
Mouthful, the cunning is intracavitary to be slidably provided with arc cleaning plate, and the medial surface of the body supports cylinder is provided with and the sliding chamber
The arc-shaped slot being connected, the arc are cleared up in plate and are provided with arc draw runner, the branch on one side close to the arc-shaped slot
Also can be rotatably set driving gear on support axis, the driving gear at least partially through the arc-shaped slot and with the arc
Shape draw runner is meshed, so that the driving gear is able to drive arc cleaning plate in the intracavitary surround movement of the cunning, it can
It is set to slide to another end opening from the open at one end of the body supports cylinder；The local route repair device can pass through those skilled in the art
Common pulling equipment is carried it to the mend of pipeline to be repaired, first turns on motor, and motor here is bidirectional rotation
Motor can set the direction of rotation of motor and the frequency of positive and negative rotation and number, and motor drives driving gear rotation, to make
Gear must be driven to drive arc to clear up plate by meshed arc draw runner to revolve around it cunning is intracavitary, arc clears up plate energy
Enough to slide to another end opening from the open at one end of the body supports cylinder, i.e., it can cover the notch, when it covers notch,
Bristle thereon can clear up moving back and forth for plate by arc, by place to be repaired with the inner wall joint of pipeline to be repaired
The foreign matters such as scale scrape and clean down, close motor thereafter, so that arc cleaning plate is located at sliding intracavitary portion, notch is opened, opened at this time
Open cylinder so that be impregnated with the pressing plate of hot resin from the inside of body supports cylinder press to it is to be repaired from, the band solid molding of hot resin
Afterwards, it is retracted to inside body supports cylinder using cylinder chamber pressing plate, completes patch work；Local route repair device provided by the invention,
Different and hydraulic pressure and air pressure, pressure is stablized, easy to operate, can be by the scale at place to be repaired before the solid molding of hot resin
Equal foreign matters are cleaned out, so that the thermoforming of stopping is more secured, are not easy to fall off again, are substantially increased repair efficiency.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the cross-sectional view provided by the present invention for the local route repair device of drainage pipeline；
Fig. 2 is the structure chart of support shaft in the local route repair device of Fig. 1 offer；
Fig. 3 is the structure chart of arc cleaning plate in the local route repair device of Fig. 1 offer.
Description of symbols
1- body supports cylinder 2- arc clears up plate
3- cleaning brush 4- support shaft
5- expansion link mechanism 6- cylinder
7- pressing plate 8- support frame
9- motor 10- first pulley
11- drives the second belt wheel of gear 12-
13- arc draw runner 14- stop block
501- casing 502- telescopic rod
503- threaded hole 504- arc follow block
The fastening part 505-
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " internal, external " etc. is included in the term is only
Represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to this
The limitation of term.
As shown in Figure 1-Figure 3: the present invention provides a kind of local route repair device for drainage pipeline, the local route repairs
Device includes body supports cylinder 1, and notch along its length, the body supports cylinder 1 are formed on the body supports cylinder 1
Inside be coaxially arranged with support shaft 4, the support shaft 4 passes through the interior table of multiple expansion link mechanisms 5 and the body supports cylinder 1
Face is connected, and the both ends of the support shaft 4 pass through cylinder 6 respectively and are connected with pressing plate 7, enables the pressing plate 7 from the master
The notch is passed through inside body support tube 1 to extend to outside the body supports cylinder 1；The body supports cylinder 1 is double-layer structure,
And inside is formed with sliding chamber, two long side ends of the close notch are formed with and the sliding chamber phase in the body supports cylinder 1
The opening of connection, the cunning is intracavitary to be slidably provided with arc cleaning plate 2, and the medial surface of the body supports cylinder 1 is provided with
The arc-shaped slot being connected with the sliding chamber, the arc are cleared up in plate 2 and are provided with arc on one side close to the arc-shaped slot
Draw runner 13 also can be rotatably set driving gear 11 in the support shaft 4, and the driving gear 11 is at least partially through described
Arc-shaped slot is simultaneously meshed with the arc draw runner 13, so that the driving gear 11 is able to drive the arc cleaning plate 2 and exists
The intracavitary surround movement of cunning, can make it slide to another end opening from the open at one end of the body supports cylinder 1.It repairs the part
Apparatus for coating can be carried it by the common pulling equipment of those skilled in the art to the mend of pipeline to be repaired, first turn on electricity
Machine, motor here is reverse rotating motor, can set the direction of rotation of motor and the frequency of positive and negative rotation and number, motor
Driving gear rotation is driven, so that driving gear drives arc to clear up plate in sliding chamber by meshed arc draw runner
It inside revolves around it, arc cleaning plate can slide to another end opening from the open at one end of the body supports cylinder, i.e., it can be covered
The notch, when it covers notch, bristle thereon can clear up plate by arc with the inner wall joint of pipeline to be repaired
Move back and forth, the foreign matters such as the scale at place to be repaired are scraped and are cleaned down, close motor thereafter so that arc cleaning plate be located at slide
Intracavitary portion, notch open, open cylinder at this time so that the pressing plate for being impregnated with hot resin pressed to from the inside of body supports cylinder it is to be repaired
At benefit, after the band solid molding of hot resin, it is retracted to inside body supports cylinder using cylinder chamber pressing plate, completes patch work；This hair
The local route repair device of bright offer, different and hydraulic pressure and air pressure, pressure is stablized, easy to operate, before the solid molding of hot resin,
The foreign matters such as the scale at place to be repaired can be cleaned out, so that the thermoforming of stopping is more secured, be not easy to fall off again, greatly
Repair efficiency is improved greatly.
In a preferred embodiment of the invention, power, the support shaft 4 are provided in order to give driving gear 11
On be further fixed on support frame 8 inside the body supports cylinder 1, be fixed with motor 9, the motor 9 on support frame as described above 8
Rotary head on be coaxially fixed with first pulley 10, also can be rotatably set the sliding tooth wheel 11 on support frame as described above 8, it is described
Driving 11 end face of gear is coaxially fixed with the second belt wheel 12, passes through belt between the first pulley 10 and second belt wheel 12
Connection.Here motor 9 can mating setting battery electric power is provided, control can be long-range control.
In a preferred embodiment of the invention, wiper cleaning is carried out in order to preferably treat mend, improved
Repair efficiency, the cambered surface that the arc clears up in plate 2 far from the arc-shaped slot are fixed with cleaning brush 3.
In a preferred embodiment of the invention, the motor 9 is reverse rotating motor, bidirectional rotation here
Motor can for those skilled in the art known and common model, can satisfy setting steering, frequency, rotational time.
In a preferred embodiment of the invention, different straight in order to be replaced according to various sizes of pipeline
The body supports cylinder 1 of diameter, the expansion link mechanism 5 include the casing 501 being fixed in the support shaft 4, telescopic rod 502 and consolidate
Determine head device；501 one end of described sleeve pipe is fixed in the support shaft 4, and the other end face, which is recessed inwardly, is formed with sliding slot, described
502 one end of telescopic rod is slidably located in the sliding slot, and the other end is fixed with the fixing head device, described sleeve pipe 501
Side is provided with multiple threaded holes 503 being connected with the sliding slot, and twist has a lock screw on the threaded hole, described in rotation
The telescopic rod 502 can be at least partly fastened in the sliding slot by lock screw.Here expansion link mechanism 5 can basis
The different-diameter size of body supports cylinder 1 carrys out adjustment length.
In a preferred embodiment of the invention, the fixing head device includes being fixed on the telescopic rod 502
On arc follow block 504, the both ends of the arc follow block 504 have extended outward to form fastening part 505, the fastening part 505 with
The medial surface of the body supports cylinder 1 is connected by bolt assembly；Here the first threaded hole is provided on fastening part 505, it is main
The medial surface of body support tube 1 is provided with the second threaded hole.
In a preferred embodiment of the invention, in order to enable overall structure is more stable, the telescopic rod machine
The quantity of structure 5 is no less than 2 groups.
In a preferred embodiment of the invention, in order to enable pressing plate 7 can preferably with repairing pipes to be repaired
Inner wall fits, and the pressing plate 7 is arcuate structure.
In a preferred embodiment of the invention, the cunning is intracavitary is further fixed on stop block 14, when arc is cleared up
Plate 2 covers notch under the drive of the motor, and one end is capable of the one of stop block 14 towards conflict, when arc cleaning plate 2 is in motor
Driving under when withdrawing sliding intracavitary, the other end that arc clears up plate 2 can be inconsistent with the another side of stop block 14, stop block 14
Primarily serve position-limiting action.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. a kind of local route repair device for drainage pipeline, which is characterized in that the local route repair device includes body supports
Cylinder (1), notch along its length is formed on the body supports cylinder (1), and the inside of the body supports cylinder (1) is coaxial
It is provided with support shaft (4), the inner surface that the support shaft (4) passes through multiple expansion link mechanisms (5) and the body supports cylinder (1)
It is connected, the both ends of the support shaft (4) pass through cylinder (6) respectively and are connected with pressing plate (7), so that the pressing plate (7) can be certainly
The notch is passed through inside the body supports cylinder (1) extends to body supports cylinder (1) outside；The body supports cylinder
It (1) is double-layer structure, and inside is formed with sliding chamber, the two long side end shape of the close notch in the body supports cylinder (1)
The opening that sliding chamber is connected described in Cheng Youyu, the cunning is intracavitary to be slidably provided with arc cleaning plate (2), the body supports
The medial surface of cylinder (1) is provided with the arc-shaped slot being connected with the sliding chamber, the close arc in arc cleaning plate (2)
Through slot is provided with arc draw runner (13) on one side, also can be rotatably set driving gear (11) on the support shaft (4), described
Driving gear (11) is meshed at least partially through the arc-shaped slot and with the arc draw runner (13), so that the sliding tooth
Wheel (11) is able to drive arc cleaning plate (2) in the intracavitary surround movement of the cunning, it can be made from the body supports cylinder
(1) open at one end slides to another end opening.
2. local route repair device according to claim 1, which is characterized in that be further fixed on and be located on the support shaft (4)
The body supports cylinder (1) internal support frame (8) is fixed with motor (9) on support frame as described above (8), and the motor (9) turns
It is coaxially fixed on head first pulley (10), also can be rotatably set the sliding tooth wheel (11), institute on support frame as described above (8)
Driving gear (11) end face is stated coaxially to be fixed with the second belt wheel (12), the first pulley (10) and second belt wheel (12) it
Between pass through belt connect.
3. -2 described in any item local route repair devices according to claim 1, which is characterized in that in arc cleaning plate (2)
Cambered surface far from the arc-shaped slot is fixed with cleaning brush (3).
4. local route repair device according to claim 1, which is characterized in that the motor (9) is reverse rotating motor.
5. local route repair device according to claim 1, which is characterized in that the expansion link mechanism (5) includes being fixed on
Casing (501), telescopic rod (502) and fixing head device on the support shaft (4)；Described sleeve pipe (501) one end is fixed on institute
It states on support shaft (4), the other end face, which is recessed inwardly, is formed with sliding slot, and described telescopic rod (502) one end is slidably located on institute
It states in sliding slot, the other end is fixed with the fixing head device, and the side of described sleeve pipe (501) is provided with multiple with the sliding slot phase
The threaded hole (503) of connection, twist has lock screw on the threaded hole, and rotating the lock screw can be by the telescopic rod
(502) it is at least partly fastened in the sliding slot.
6. local route repair device according to claim 1-5, which is characterized in that the fixing head device includes solid
The both ends of the arc follow block (504) being scheduled on the telescopic rod (502), the arc follow block (504) have extended outward to form tightly
Portion Gu (505), the fastening part (505) is connect with the medial surface of the body supports cylinder (1) by bolt assembly.
7. local route repair device according to claim 6, which is characterized in that the quantity of the expansion link mechanism (5) is many
In 2 groups.
8. local route repair device according to claim 1, which is characterized in that the pressing plate (7) is arcuate structure.
9. local route repair device according to claim 1, which is characterized in that the cunning is intracavitary to be further fixed on stop block
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352690.XA CN110030458B (en) | 2019-04-29 | 2019-04-29 | Local repair device for drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352690.XA CN110030458B (en) | 2019-04-29 | 2019-04-29 | Local repair device for drainage pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030458A true CN110030458A (en) | 2019-07-19 |
| CN110030458B CN110030458B (en) | 2020-09-01 |
Family
ID=67240632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352690.XA Active CN110030458B (en) | 2019-04-29 | 2019-04-29 | Local repair device for drainage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030458B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725150A (en) * | 2019-11-21 | 2020-01-24 | 中材建筑科技有限公司 | Net cage device for fiber cement pressure plate shoveling production |
| CN112377718A (en) * | 2020-09-24 | 2021-02-19 | 宁波市鄞州世纪耀达市政建设有限公司 | Trenchless pipeline repairing system and method thereof |
| CN113531231A (en) * | 2021-05-13 | 2021-10-22 | 钱子岑 | Improved generation concatenation formula aluminum alloy ex-trusions |
| CN113898815A (en) * | 2021-10-11 | 2022-01-07 | 上海乔智科技有限公司 | Non-excavation device for repairing deformation collapse of drainage pipeline and repairing method thereof |
| CN115626744A (en) * | 2022-11-10 | 2023-01-20 | 广东圣玛洛热能科技有限公司 | Water outlet system device with filtering, purifying, sterilizing, heating and inductive switch |
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| CN113531231A (en) * | 2021-05-13 | 2021-10-22 | 钱子岑 | Improved generation concatenation formula aluminum alloy ex-trusions |
| CN113531231B (en) * | 2021-05-13 | 2023-04-07 | 锽河铝材实业(东莞)有限公司 | Improved generation concatenation formula aluminum alloy ex-trusions |
| CN113898815A (en) * | 2021-10-11 | 2022-01-07 | 上海乔智科技有限公司 | Non-excavation device for repairing deformation collapse of drainage pipeline and repairing method thereof |
| CN115626744A (en) * | 2022-11-10 | 2023-01-20 | 广东圣玛洛热能科技有限公司 | Water outlet system device with filtering, purifying, sterilizing, heating and inductive switch |
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