CN110340085A - A kind of water conservancy environmental protection water pipe inside dredging device - Google Patents
A kind of water conservancy environmental protection water pipe inside dredging device Download PDFInfo
- Publication number
- CN110340085A CN110340085A CN201910754890.8A CN201910754890A CN110340085A CN 110340085 A CN110340085 A CN 110340085A CN 201910754890 A CN201910754890 A CN 201910754890A CN 110340085 A CN110340085 A CN 110340085A
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- water
- drill bit
- cylinder
- water pipe
- tube body
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- 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
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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
- B08B9/051—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 the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
Abstract
The present invention relates to dredging devices inside a kind of water conservancy environmental protection water pipe, including hollow cylinder and it is stuck in the drill bit of cylinder front end, support rod and bearing bar are fixed on the front and back inner wall of cylinder respectively, multiple support rods are distributed in a ring, its port connects with the outer wall of annulus, and the port of bearing bar connects with the outer wall of motor housing；Dredging is set inside above-mentioned water conservancy environmental protection water pipe, when motor works, rotary shaft rotation drives tube body synchronous rotary, its drill bit can also rotate simultaneously, the component got lodged in water pipe can be crushed or be bored out rotation by drill bit, the bore of water jet water outlet is smaller, the water of ejection has very big pressure, the part that part is hard on water wall can be cleared up, the water that pump working is pumped into enters in sleeve, it is sprayed by notch from the water jet of drill bit, in the high pressure water sprayed using water jet, the thorough cleaning of water pipe is not only able to achieve with the dredging method, and compare the advantages of saving manpower and object.
Description
Technical field
The present invention relates to dredging device inside a kind of pipeline, dredging is set inside especially a kind of water conservancy environmental protection water pipe
It is standby.
Background technique
In water conservancy construction, water pipe is city sewerage system when coping with the draining task such as waste water, rainwater
Important component, water pipe it is unimpeded, be the prerequisite condition for guaranteeing effectively to drain, discharge pipe line in city at present
It is intricate, and drainage situation multiplicity, the blocking of discharge pipe line happen occasionally, and need quickly to cope with to guarantee drainage system
Operate normally the important component that water pipe is urban pipe network.Due to various reasons, water pipe often will form congestion,
To need to clear up water pipe.
Currently, there are two types of common water pipe manner of cleaning up.The first is high pressure water douche.This method utilizes high pressure
Water digs the mud inside water pipe, and is washed away.Although this method can dig mud in water pipe,
Since the flow velocity of water in water pipe is lower, the mud dug often will form to be precipitated again, that is, is deposited in water pipe again
In.Therefore, this method can not fall mud thorough cleaning.Second is to be cleared up using winch and tubbiness filter screen.It should
Method first with manually bamboo chip is passed through from two adjacent inspection shafts and following pipeline, meanwhile, by wirerope introduce inspection shaft and
Pipeline.Tubbiness filter screen is fastened in the rear end of wirerope, and wirerope is fastened in the end of filter screen again.Then, using winch at two
Catch pit port folding and unfolding wirerope repeatedly, makes tubbiness filter screen be moved to the other end from pipeline one end, passes through the barreled filter screen
It moves repeatedly and sweeps silt particle.The personnel labor intensity of such method is big, and working time is long, and working efficiency is low.Simultaneously as bucket
Shape filter screen and pipe diameter difference are too big, cause tubbiness filter screen outer diameter and inner wall of the pipe that cannot fit like a glove, so that
Silt particle can not be swept completely, in turn resulted in cleaning and be not thorough.
Summary of the invention
In view of the above situation, it is necessary to which water pipe can be realized by providing a kind of water conservancy environmental protection water pipe inside dredging device
Thorough cleaning, and compare the advantages of saving manpower and object.
Dredging device inside a kind of water conservancy environmental protection water pipe including hollow cylinder and is stuck in the brill of cylinder front end
Head fixes support rod respectively on the front and back inner wall of cylinder and bearing bar, multiple support rods is distributed in a ring, port and annulus
Outer wall connects, and the port of bearing bar connects with the outer wall of motor housing；
The inner containment motor of the motor housing, the rotary shaft port rotated on motor is caught in sleeve, with sleeve seal
Connection, drill bit is located on the coaxial line of cylinder interior fixes hollow tube body, opens up and multiple communicates on drill bit with tube body one end
Water jet, the other end of tube body is caught in sleeve and is tightly connected, and is attached with the rotary shaft of motor, motor driven rotary shaft
Rotation is transmitted by tube body and drives bit, the rotation shaft connection place machining gap of tube body and motor, notch and sleeve it is interior
Chamber is connected；
Water pump and water tank are installed respectively, annulus runs through multiple vertical bars, vertical bar in the same plane on the inner wall of the annulus
Top pass through cylinder extend to external connection pulley, the bottom end outer cover of vertical bar has position-limiting drum；
The outside of the tube body is cased with multiple positioning rings, and tube body passes through the bearing in positioning ring, and multiple position-limiting drums are in a ring
It is distributed on multiple positioning rings, and ring cavity inside positioning ring and position-limiting drum communicate, is connected between positioning ring by pipeline,
In hydraulic pump in the pipeline and cylinder that connect on a positioning ring Single port connection, the another port of hydraulic pump and water tank are logical
Piping connection, the water that hydraulic pump works are discharged out of water tank enter positioning ring or leave, and vertical bar slides up and down in position-limiting drum；
The pipeline of one end connection of the water pump is connected with the inner cavity of sleeve, and the pipeline of the other end connection of water pump extends
To the outside of cylinder, and filter screen is installed on its port, the water that pump working is pumped into enters in sleeve, by notch from drill bit
Water jet spray.
Further, both vertical bar and cylinder are tightly connected, and vertical bar slides in position-limiting drum, and holds its seal under.
Further, motor, water pump and hydraulic pump connect with the battery installed in cylinder, provide power.
Further, drill bit internal is distributed a main channel and multiple subaisles, and the nozzle of tube body is embedded in main channel, secondary
Around being distributed on main channel, the nozzle of water jet is embedded in subaisle ring in channel.
Further, the injection direction of water jet surrounds the front of drill bit.
Further, positioning ring can be two, three, four, and the ring cavity volume superposition of multiple positioning rings is less than water
The water-holding quantity of case.
Further, pulley is electronic pulley, and electric power band movable pulley rotates, and equipment is connected by the inner wall of pulley and water pipe
Touching, and moved.
Dredging is set inside above-mentioned water conservancy environmental protection water pipe, hydraulic pump works, and the water in position-limiting drum, which increases, pushes vertical bar
After elongation, pulley and the contact of bottom wall inner wall, pulley is electronic pulley, and electric power band movable pulley rotates, and equipment passes through pulley and water pipe
Inner wall be in contact, and moved, when motor works, rotary shaft rotation drives tube body synchronous rotary, while its drill bit also can
The component got lodged in water pipe can be crushed or be bored out rotation by rotation, drill bit, and the bore of water jet water outlet is smaller,
The water of ejection has very big pressure, can clear up the part that part is hard on water wall, and the water that pump working is pumped into enters set
It in cylinder, is sprayed by notch from the water jet of drill bit, in the high pressure water sprayed using water jet, filter screen carries out the water of extraction
Filtering, removes big sundries, smashed barrier is diluted with water backlash, and therefore, which is not only able to achieve water pipe
Thorough cleaning, and compare and save manpower and object.
Detailed description of the invention
Fig. 1 is the entirety sectional view of the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view of the embodiment of the present invention；
Fig. 3 is the local structural graph of the embodiment of the present invention；
Fig. 4 is the partial perspective view of the embodiment of the present invention；
Fig. 5 is the tube-in-tube structure figure of the embodiment of the present invention.
In figure: 1, cylinder；11, support rod；12, bearing bar；13, annulus；14, motor housing；141, motor；2, drill bit；21,
Tube body；211, notch；212, positioning ring；22, water jet；3, sleeve；4, water pump；41, filter screen；5, water tank；6, vertical bar；61,
Pulley；7, position-limiting drum；8, hydraulic pump.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
Dredging device is further elaborated inside a kind of water conservancy environmental protection water pipe of the present invention.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to Figure 1, dredging device inside a kind of water conservancy environmental protection water pipe of the embodiment of the present invention, including hollow
Cylinder 1 and the drill bit 2 for being stuck in 1 front end of cylinder, are mutually clamped between drill bit 2 and cylinder 1, and both need to carry out close
The connection of envelope, the outside of drill bit 2 are also cased with sealing ring, contact between sealing ring and the inner wall of cylinder 1, and drill bit 2 is rotating
When, by the Seal Design of sealing ring, water will not be allowed to enter in cylinder 1, avoid each mechanical water inlet in cylinder 1
Cause to damage, extends the service life used, fix support rod 11 and bearing bar 12, Duo Gezhi respectively on the front and back inner wall of cylinder 1
Strut 11 is distributed in a ring, and port connects with the outer wall of annulus 13, and the port of bearing bar 12 connects with the outer wall of motor housing 14,
The bottom end of support rod 11 and bearing bar 12 is all directed towards on the axis of cylinder 1, and support rod 11 and bearing bar 12 are used as connector, will
The position of annulus 13 and motor housing 14 is fixed, while the axis of annulus 13 and motor housing 14 also is located on the same line.
The inner containment motor 141 of motor housing 14, motor 141 are fixed in motor housing 14, the rotation rotated on motor 141
Shaft end mouthful is caught in sleeve 3, and the rotary shaft of motor 141 rotates in sleeve 3, is tightly connected with sleeve 3, the rotation of motor 141
Axis will not generate the water in sleeve 3 and flow out to outside, drill bit 2 is located on the coaxial line inside cylinder 1 solid during rotation
Fixed hollow tube body 21, both drill bit 2 and tube body 21 are fixed as an entirety, and tube body 21 drives drill bit 2 to carry out together when rotated
The rotation of step opens up multiple water jets 22 communicated with 21 one end of tube body, the liquid that water jet 22 will be flowed into from tube body 21 on drill bit 2
Body sprays, and carries out subsequent cleaning, and a main channel and multiple subaisles are distributed inside drill bit 2, and the nozzle of tube body 21 is embedded in master
In channel, subaisle is around being distributed on main channel, and the nozzle of water jet 22 is embedded in subaisle ring, the injection side of water jet 22
To the front for surrounding drill bit 2, the bore of main channel is larger, directly receives the water flow in tube body 21, the diameter of subaisle
It is smaller, it shunts the water in main channel and enters each corresponding water jet 22, the bore that water jet 22 is discharged is smaller, and water flow is carried out
Compression can clear up the part that part is hard on water wall, the other end of tube body 21 so that the water sprayed has very big pressure
It is caught in sleeve 3 and is tightly connected, and be attached with the rotary shaft of motor 141, motor 141 drives rotary shaft rotation, passes through pipe
The transmitting of body 21 drives drill bit 2 to rotate, and when motor 141 works, rotary shaft rotation drives 21 synchronous rotary of tube body, while its drill bit 2
Also it can rotate, the component got lodged in water pipe can be crushed or be bored out rotation by drill bit 2, be sprayed using water jet 22
High pressure water out, smashed barrier are diluted with water backlash, and therefore, which is not only able to achieve the thorough clear of water pipe
Reason, and compare and save manpower and object.
The pipeline of one end connection of water pump 4 is connected with the inner cavity of sleeve 3, the work of water pump 4 water is sent to it is interior, water pump 4
The pipeline of other end connection extends to the outside of cylinder 1, and installs filter screen 41 on its port, and water pump 4 extracts in water pipe
The water of liquid, 41 pairs of filter screen extractions is filtered, and removes big sundries.The water that the work of water pump 4 is pumped into enters in sleeve 3, passes through
It crosses notch 211 to spray from the water jet 22 of drill bit 2, motor 141, water pump 4 and hydraulic pump 8 and the battery phase installed in cylinder 1
It connects, power is provided.
Water pump 4 and water tank 5 be installed respectively on the inner wall of annulus 13, the position of water pump 4 and water tank 5 is all fixed,
Annulus 13 runs through multiple vertical bars 6 in the same plane, and vertical bar 6 can be played in annulus 13 and be supported and fixed, the top of vertical bar 6
61 external connection of pulley is extended to across cylinder 1, the bottom end outer cover of vertical bar 6 has position-limiting drum 7, is cased with outside the bottom end of vertical bar 6
Position-limiting drum 7, pulley 61 are electronic pulley, and electric power band movable pulley 61 rotates, and equipment is in contact by the inner wall of pulley 61 and water pipe,
And moved, both vertical bar 6 and cylinder 1 are tightly connected, and vertical bar 6 slides in position-limiting drum 7, and holds its seal under, pulley
61 when by power, and pulley 61 can be in contact with the inner wall of water pipe, and pulley 61 moves backward after driving whole equipment to inlay.
Fig. 2-4 is referred to, the outside of tube body 21 is cased with multiple positioning rings 212, and tube body 21 passes through the axis in positioning ring 212
It holds, tube body 21 can be rotated around the bearing in positioning ring 212, and bearing reduces the frictional force of rotation, and multiple position-limiting drums 7 are in
Annular spread is on multiple positioning rings 212, and ring cavity inside positioning ring 212 and position-limiting drum 7 communicate, between positioning ring 212
Be connected by pipeline, positioning ring 212 between water pipe, the pipeline that is connected on one of positioning ring 212 with it is hydraulic in cylinder 1
The Single port connection of pump 8, the another port of hydraulic pump 8 are connected with water tank 5 by pipeline, and hydraulic pump 8 works, what water tank 5 was extracted out
Water enters in the ring cavity of positioning ring 212, after increasing with the ring cavity water of positioning ring 212, water in underlying position-limiting drum 7 compared with
More, positioning ring 212 can be two, three, four, and the ring cavity volume superposition of multiple positioning rings 212 is less than the water of water tank 5
It measures, can fill up the ring cavity of positioning ring 212 in water tank 5 completely allows vertical bar 6 to be moved in position-limiting drum 7, hydraulic pump 8
The water being discharged out of water tank 5 that works enters positioning ring 212 or leaves, and vertical bar 6 slides up and down in position-limiting drum 7, the vertical bar 6 of lower section
Extend first, pulley 61 and bottom wall inner wall contact after, hydraulic pump 8 works on, the water in position-limiting drum 7 being slowly located above compared with
It is more, after the vertical bar 6 of top extends pulley 61 and the contact of bottom wall inner wall first, so that equipment is supported, utilize the shifting of pulley 61
It is dynamic, drive whole equipment to be moved.
Refer to 5, the rotation shaft connection place machining gap 211 of tube body 21 and motor 141, the inner cavity of notch 211 and sleeve 3
It is connected, the design of notch 211, the filtered water of filter screen 41 can enter in tube body 21 from notch 211, will not influence simultaneously
Motor 141 drives tube body 21 to rotate.
Working principle: hydraulic pump 8 works, and the water that water tank 5 is extracted out enters in the ring cavity of positioning ring 212, with positioning ring 212
Ring cavity water increase after, the water in underlying position-limiting drum 7 is more, allow vertical bar 6 to be moved in position-limiting drum 7, lower section
Vertical bar 6 extends first, and after pulley 61 and the contact of bottom wall inner wall, hydraulic pump 8 works on, in the position-limiting drum 7 being slowly located above
Water it is more, the vertical bar 6 of top extend first pulley 61 and bottom wall inner wall contact after so that equipment is supported, utilize pulley
61 movement drives whole equipment to be moved, and pulley 61 is electronic pulley, and electric power band movable pulley 61 rotates, and equipment passes through cunning
The inner wall of wheel 61 and water pipe is in contact, and is moved, and when motor 141 works, rotary shaft rotation drives 21 synchronous rotary of tube body,
Its drill bit 2 can also rotate simultaneously, and the component got lodged in water pipe can be crushed or be bored out rotation by drill bit 2, in benefit
The high pressure water sprayed with water jet 22, smashed barrier are diluted with water backlash, and therefore, which is not only able to achieve water
The thorough cleaning of pipe, and compare and save manpower and object, a main channel and multiple subaisles, tube body 21 are distributed inside drill bit 2
Nozzle insertion main channel in, subaisle is around being distributed on main channel, in the nozzle insertion subaisle ring of water jet 22, water spray
The injection direction of device 22 surrounds the front of drill bit 2, and the bore of main channel is larger, directly receives the water flow in tube body 21,
The diameter of subaisle is smaller, shunt main channel in water enter each corresponding water jet 22, water jet 22 be discharged bore compared with
It is small, water flow is compressed, so that the water sprayed has very big pressure, the part that part is hard on water wall can be cleared up,
The water of 41 pairs of filter screen extractions is filtered, and removes big sundries, the water that the work of water pump 4 is pumped into enters in sleeve 3, by notch
211 spray from the water jet 22 of drill bit 2.
In summary: dredging is set inside this water conservancy environmental protection water pipe, and hydraulic pump 8 works, and the water in position-limiting drum 7 increases
Vertical bar 6 is pushed to extend, after pulley 61 and the contact of bottom wall inner wall, pulley 61 is electronic pulley, and electric power band movable pulley 61 rotates, equipment
It is in contact, and is moved by the inner wall of pulley 61 and water pipe, when motor 141 works, rotary shaft rotation drives tube body 21 same
Step rotation, while its drill bit 2 can also rotate, the component got lodged in water pipe can be crushed or be bored rotation by drill bit 2
It opens, the bore that water jet 22 is discharged is smaller, and the water of ejection has very big pressure, can clear up the portion that part is hard on water wall
Point, the water that the work of water pump 4 is pumped into enters in sleeve 3, sprays by notch 211 from the water jet 22 of drill bit 2, is utilizing water jet
22 high pressure waters sprayed, the water of 41 pairs of filter screen extractions are filtered, and remove big sundries, smashed barrier is diluted with water
Backlash, therefore, the dredging method are not only able to achieve the thorough cleaning of water pipe, and compare and save manpower and object.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (7)
1. dredging device inside a kind of water conservancy environmental protection water pipe, it is characterised in that: including hollow cylinder (1) and be stuck in
The drill bit (2) of cylinder (1) front end fixes support rod (11) and bearing bar (12), Duo Gezhi on the front and back inner wall of cylinder (1) respectively
Strut (11) is distributed in a ring, and port connects with the outer wall of annulus (13), port and motor housing (14) of bearing bar (12)
Outer wall connects；
The inner containment motor (141) of the motor housing (14), the rotary shaft port rotated on motor (141) are caught in sleeve (3)
It is interior, it is tightly connected with sleeve (3), drill bit (2), which is located on the internal coaxial line of cylinder (1), fixes hollow tube body (21), drill bit
(2) multiple water jets (22) communicated with tube body (21) one end are opened up on, the other end of tube body (21) is caught in sealing in sleeve (3)
Connection, and be attached with the rotary shaft of motor (141), motor (141) drives rotary shaft rotation, passes through tube body (21) transfer tape
Dynamic drill bit (2) rotation, the rotation shaft connection place machining gap (211) of tube body (21) and motor (141), notch (211) and sleeve
(3) inner cavity is connected；
Water pump (4) and water tank (5) are installed respectively, annulus (13) is in the same plane through multiple on the inner wall of the annulus (13)
Vertical bar (6), the top of vertical bar (6) pass through cylinder (1) and extend to external connection pulley (61), be cased with outside the bottom end of vertical bar (6)
Position-limiting drum (7)；
The outside of the tube body (21) is cased with multiple positioning rings (211), and tube body (21) passes through the bearing in positioning ring (211), more
A position-limiting drum (7) is distributed in a ring on multiple positioning rings (211), and the ring cavity and position-limiting drum (7) that positioning ring (211) is internal
It communicates, is connected between positioning ring (211) by pipeline, in the pipeline connected on one of positioning ring (211) and cylinder (1)
The Single port of hydraulic pump (8) connects, and the another port of hydraulic pump (8) is connected with water tank (5) by pipeline, hydraulic pump (8) work
The water being discharged in from water tank (5) enters positioning ring (211) or leaves, and vertical bar (6) slides up and down in position-limiting drum (7)；
The pipeline of one end connection of the water pump (4) is connected with the inner cavity of sleeve (3), the pipe of the other end connection of water pump (4)
Road extends to the outside of cylinder (1), and installs filter screen (41) on its port, and the water that water pump (4) work is pumped into enters sleeve
(3) it in, is sprayed by notch (211) from the water jet (22) of drill bit (2).
2. dredging device inside a kind of water conservancy environmental protection water pipe as described in claim 1, it is characterised in that: vertical bar (6)
It is held its seal under with both cylinder (1) sealed connection, vertical bar (6) in the interior sliding of position-limiting drum (7).
3. dredging device inside a kind of water conservancy environmental protection water pipe as described in claim 1, it is characterised in that: motor
(141), water pump (4) and hydraulic pump (8) connect with the battery installed in cylinder (1), provide power.
4. dredging device inside a kind of water conservancy environmental protection water pipe as described in claim 1, it is characterised in that: drill bit (2)
The nozzle of inside one main channel of distribution and multiple subaisles, tube body (21) is embedded in main channel, and subaisle surround and is distributed in master
On channel, in the nozzle insertion subaisle ring of water jet (22).
5. dredging device inside a kind of water conservancy environmental protection water pipe as claimed in claim 4, it is characterised in that: water jet
(22) injection direction surrounds the front of drill bit (2).
6. dredging device inside a kind of water conservancy environmental protection water pipe as described in claim 1, it is characterised in that: positioning ring
(211) two, three, four be can be, the ring cavity volume superposition of multiple positioning rings (211) is less than the water-holding quantity of water tank (5).
7. dredging device inside a kind of water conservancy environmental protection water pipe as described in claim 1, it is characterised in that: pulley (61)
For electronic pulley, electric power band movable pulley (61) rotates, and equipment is in contact by the inner wall of pulley (61) and water pipe, and is moved
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754890.8A CN110340085B (en) | 2019-08-15 | 2019-08-15 | Inside mediation equipment of rivers pipeline for water conservancy environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754890.8A CN110340085B (en) | 2019-08-15 | 2019-08-15 | Inside mediation equipment of rivers pipeline for water conservancy environmental protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110340085A true CN110340085A (en) | 2019-10-18 |
| CN110340085B CN110340085B (en) | 2021-04-02 |
Family
ID=68185154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910754890.8A Active CN110340085B (en) | 2019-08-15 | 2019-08-15 | Inside mediation equipment of rivers pipeline for water conservancy environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110340085B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110773523A (en) * | 2019-11-05 | 2020-02-11 | 潘庆华 | Inner wall cleaning device for pipeline |
| CN110847311A (en) * | 2019-11-19 | 2020-02-28 | 中冶建工集团有限公司 | Sewage pipe maintenance and dredging device |
| CN114562635A (en) * | 2022-01-24 | 2022-05-31 | 中国地质大学（武汉） | Multifunctional vehicle for rapidly detecting, cleaning and removing obstacles of underground pipeline |
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| JP2009243257A (en) * | 2008-03-10 | 2009-10-22 | Shonan Plastic Mfg Co Ltd | In-pipe work robot |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110340085B (en) | 2021-04-02 |
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