CN104060683A - Pneumatic underground drainage pipeline dredging device - Google Patents
Pneumatic underground drainage pipeline dredging device Download PDFInfo
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- CN104060683A CN104060683A CN201410286224.3A CN201410286224A CN104060683A CN 104060683 A CN104060683 A CN 104060683A CN 201410286224 A CN201410286224 A CN 201410286224A CN 104060683 A CN104060683 A CN 104060683A
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- front mounting
- clearing device
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- 230000003287 optical effect Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a pneumatic underground drainage pipeline dredging device, which comprises a shovel plate, a front mounting disk, a front flange barrel, a support cylinder, a thrust cylinder, a support ring, a corrugated bag, a back flange barrel, a back mounting disk and a back support cylinder. After the pneumatic underground drainage pipeline dredging device is placed into a drainage pipeline needing to work, the cylinders act respectively according to an air channel sequence, and self-walking can be realized in the drainage pipeline; meanwhile, a corrugated pump is driven to absorb and discharge sludge, and the sludge can be conveyed onto the ground through the drainage pipeline to realize cleaning. The device is simple in structure, and a pneumatic driving way is adopted. The pneumatic underground drainage pipeline dredging device can be suitable for urban underground drainage pipeline dredging operation.
Description
Technical field
The present invention's design belongs to municipal subsoil drain cleaning field, refers in particular to the mud shape adhesive such as sewage in sewer pipe are recovered to ground device.
Background technology
Urban underground water drainage pipe is the important system that prevents city waterlogging, draining, and for numerous branch line drainage systems, its drainage pipe 20 diameters only have 600mm and 800mm.So little drainage pipe 20 desiltings cannot manually enter operation, existing apparatus for collecting sewage in sewer pipe is that staff's hand is held the attraction flexible pipe mouth being connected with the recycling can that suction pump is housed on ground and entered in drainage pipe, and precipitating sludge is recovered to ground recycling can from this attraction flexible pipe mouth.Because of the poor working environment in drainage pipe, and distribute dense smelly smell, therefore, be difficult to long working, inefficiency, in the time that precipitating sludge is concretion state, only depend on attraction to attract to reclaim from flexible pipe mouth and still have any problem, precipitating sludge can not be fallen from the mud complete liquidation in drainage pipe.Also there is afterwards related personnel to develop automatic desilting device, the mud retracting device as described in Chinese patent 85101273, but its mechanized equipment in implementation procedure is installed complexity, and area occupied is large, cannot reach real economic and practical.
Summary of the invention
The present invention is directed to the problems referred to above that exist in current drainage pipe dredging operation, develop a kind of pneumatic type subsoil drain Accrete clearing device, so that existing drainage pipe 20 dredging technologies are made improvements.
Technical scheme of the present invention is:
A kind of pneumatic type subsoil drain Accrete clearing device, comprises front mounting disc, rear mounting disc, propulsion cylinder, front support cylinder, rear support cylinder, support bar, support ring, ripple bag, shovel board and reversal valve; Front mounting disc is that round-meshed circular disk is opened at center, and front support cylinder is fixedly mounted on the periphery of front mounting disc, and it is radially consistent with front mounting disc axially, and piston rod is outside coiling; Rear mounting disc and front mounting disc are oppositely arranged, and its shape, size are identical with front mounting disc, and rear support cylinder is fixedly mounted on the periphery of rear mounting disc, and it is radially consistent with rear mounting disc axially, and piston rod is outside coiling; Ripple bag front and back end is closed being arranged between front mounting disc and rear mounting disc respectively, makes the center hole of front mounting disc and rear mounting disc by the intracavity inter-connection of ripple bag; Propulsion cylinder is also arranged between front mounting disc and rear mounting disc, and its piston rod and cylinder tail are separately fixed in front mounting disc and rear mounting disc; Valve baffle plate before being provided with in front mounting disc, front valve baffle plate is the plate that can inwardly open or hide front mounting disc center hole completely; Valve baffle plate after being provided with in rear mounting disc, rear valve baffle plate is the plate that can outwards open or hide rear mounting disc center hole completely; Shovel board is circular cone tubular, and small end is fixedly mounted on front mounting disc outside, is communicated with the center hole of front mounting disc.
The quantity of front support cylinder is three, is arranged on symmetrically the periphery of front mounting disc; The quantity of rear support cylinder is three, is arranged on symmetrically the periphery of rear mounting disc; The quantity of propulsion cylinder is three, is arranged on symmetrically between front mounting disc and rear mounting disc.The gas circuit parallel connection of three rear support cylinders, the gas circuit parallel connection of three front support cylinders, the gas circuit of three propulsion cylinders is also in parallel; Two blow vents of every group of cylinder are connected respectively to two gas outlets of solenoid operated directional valve, and the air inlet port of solenoid operated directional valve is connected to source of the gas, realizes the control of cylinder.
Friction pad is equipped with in piston rod end at front support cylinder and rear support cylinder, and its top is and the inwall of the drainage pipe circular shape that matches, when piston rod is stretched out, can leans on the inwall of drainage pipe.
A side at the centre bore of front mounting disc is provided with hinge, and front valve baffle plate is contained in the other end of hinge, and it is taking hinge as axis of rotation, the center hole of mounting disc before can inwardly opening or hiding completely; Rear mounting disc centre bore one side is also equipped with rear valve baffle plate by a hinge, and it can outwards open or hide completely the center hole of rear mounting disc taking hinge as axis of rotation.
Be provided with forward flange cylinder in the inner side of front mounting disc, the small end of shovel board, front mounting disc and forward flange cylinder are fixed together by screw bolt and nut; In the outside of rear mounting disc, rear flange cylinder is installed, the pipe tail at rear flange cylinder rear portion and outside carrier pipe are connected.
Support bar is that anterior termination is the optical axis round bar of threaded rod; Support ring is annulus, on annulus, has uniform circular hole along circumference, and the optical axis part of circular hole and support bar is matched in clearance.
Support bar has four, and support ring has several.
The end of thread of support bar front portion by fastening nuts in the rear stub of forward flange cylinder; Multiple support rings are through in the optical axis part of support bar, and the optical axis part end of support bar is through in the through hole of opening on the centre bore circumference of rear mounting disc, can in through hole, slide front and back.
Ripple bag is placed in the centre of multiple support rings, and ripple bag is the corrugated cylinder of fiber flexible material, the external diameter coupling of its major diameter and support ring, the internal diameter coupling of its minor diameter and support ring.
Apparatus structure of the present invention is simple, and floor space is little, easy to use, can realize from walking in drainage pipe, automatically discharges mud, uses manpower and material resources sparingly, safe and reliable.Applicable to urban sewage drainage pipe dredging operation.
Brief description of the drawings
Fig. 1 is pneumatic type subsoil drain Accrete clearing device structural representation;
Fig. 2 is pneumatic type subsoil drain Accrete clearing device pneumatic system schematic diagram;
Fig. 3 is pneumatic type subsoil drain Accrete clearing device schematic perspective view;
Fig. 4 is front mounting disc partial view;
Fig. 5 is support ring schematic diagram;
Fig. 6 is forward flange cylinder sectional view;
Fig. 7 is rear flange cylinder sectional view.
Reference numeral:
Front mounting disc 1, propulsion cylinder 2, rear mounting disc 3, rear support cylinder 4, front valve baffle plate 5, hinge 6, shovel board 7, friction pad 8, forward flange cylinder 9, support bar 10, support ring 11, ripple bag 12, rear flange cylinder 13, carrier pipe 14, rear valve baffle plate 15, front support cylinder 16, solenoid operated directional valve 17, source of the gas 18, draining well head 19, drainage pipe 20, mud 21.
Detailed description of the invention
With reference to the accompanying drawings example of the present invention is described below.
Fig. 1 is pneumatic type subsoil drain Accrete clearing device structural representation, and Fig. 2 is that pneumatic type subsoil drain Accrete clearing device is arranged schematic diagram, is pneumatic type subsoil drain Accrete clearing device 3-D view.
In Fig. 1 to Fig. 3, pneumatic type subsoil drain Accrete clearing device of the present invention, comprises front mounting disc 1, rear mounting disc 3, propulsion cylinder 2, front support cylinder 16, rear support cylinder 4, support bar 10, support ring 11, ripple bag 12, shovel board 7 and solenoid operated directional valve 17 etc.
Front mounting disc 1 is that round-meshed circular disk is opened at center, and front support cylinder 16 is fixedly mounted on the periphery of front mounting disc 1, and it is radially consistent with front mounting disc 1 axially, and piston rod is outside coiling.In embodiment shown in the figure, the quantity of front support cylinder 16 is three.The concrete mounting means of front support cylinder 16 is: on all edges of front mounting disc 1 and the concentric circumference of disk, evenly have three groups of screwed holes, three front support cylinders 16 are arranged on respectively in one group of screwed hole by screw, and three 16, front support cylinders are arranged on the periphery of front mounting disc 1 symmetrically.In the piston rod end of front support cylinder 16, friction pad 8 is housed, friction pad 8 is arranged on the piston rod top of front support cylinder 16 by screw.Friction pad 8 can be elastomeric material, and its top is and the inwall of drainage pipe 20 circular shape that matches, and when the piston rod of three front support cylinders 16 is stretched out, can withstand on the inwall of drainage pipe 20.
Rear mounting disc 3 is oppositely arranged with front mounting disc 1, and its shape, size are identical with front mounting disc 1.Round-meshed circular disk is opened at rear mounting disc 3 Ye Shi mono-centers, and rear support cylinder 4 is fixedly mounted on the periphery of rear mounting disc 3, and it is radially consistent with rear mounting disc 3 axially, and piston rod is outside coiling.In embodiment shown in the figure, the quantity of rear support cylinder 4 is also three, and the mounting structure of rear support cylinder 4 is identical with mounting disc 1 with mode, and three 4, rear support cylinders are arranged on the periphery of rear mounting disc 3 symmetrically.In the piston rod end of rear support cylinder 4, friction pad 8 is housed, friction pad 8 is arranged on the piston rod top of rear support cylinder 4 by screw, its top is and the inwall of drainage pipe 20 circular shape that matches, and when the piston rod of three rear support cylinders 4 is stretched out, can withstand on the inwall of drainage pipe 20.
Ripple bag 12 and propulsion cylinder 2 are arranged between front mounting disc 1 and rear mounting disc 3.
Referring to Fig. 4, the middle of in front mounting disc 1, front support cylinder 16 being installed, evenly has three through holes, and the piston rod front end screw rod of three propulsion cylinders 2 is arranged in these three holes by nut.In rear mounting disc 3 with in front mounting disc 1, the piston rod correspondence position of three propulsion cylinders 2 is installed, be provided with through hole, and by screw, the cylinder tail of three propulsion cylinders 2 is fixed in rear mounting disc 3,2 symmetrical being positioned between front mounting disc 1 and rear mounting disc 3 of propulsion cylinder, make so front mounting disc 1 and rear mounting disc 3 connect together, and relatively move with the flexible of propulsion cylinder 2.Propulsion cylinder 2 is standard components, by its stretching motion, plays the effect that drives whole dredging mechanism to carry out desilting.
Shovel board 7 is circular cone tubular, is positioned at mounting disc 1 outside, is communicated with the center hole of front mounting disc 1.Shovel board 7 small ends, with flange, have equally spaced eight through holes on small end circumference of flange.Be provided with forward flange cylinder 9 in the inner side of front mounting disc 1, forward flange cylinder 9 before and after being respectively with the cylinder (referring to Fig. 6) of flange, on its forward flange dish and rear stub circumference, all have eight through holes, eight through holes on forward flange dish are corresponding with eight through holes of the little end flanges of shovel board 7.Around the center hole of front mounting disc 1, also have eight through holes corresponding with above-mentioned through hole, shovel board 7, front mounting disc 1 and 9, forward flange cylinder are fixed together by bolt via through holes and nut.
A side at the centre bore of front mounting disc 1 is provided with hinge 6, front valve baffle plate 5 is contained in the other end of hinge 6, front valve baffle plate 5 is plates that a block size can hide front mounting disc 1 center hole completely, and it can inwardly open or hide completely the center hole of front mounting disc 1 taking hinge 6 as axis of rotation.Rear mounting disc 3 centre bore one sides are also equipped with rear valve baffle plate 15 by a hinge, rear valve baffle plate 15 is plates that a block size can hide rear mounting disc 3 center holes completely, it can outwards open or hide completely the center hole of rear mounting disc 3 taking hinge as axis of rotation.
The outside of rear mounting disc 3 is provided with rear flange cylinder 13, rear flange cylinder 13 is that front portion is flange, rear portion is provided with the cylinder of fish scale-shaped pipe tail, has eight through holes on front flange circumference, through hole corresponding be installed together concentric with eight that open on the centre bore circumference of rear mounting disc 3; The cylinder of the fish scale-shaped pipe tail at rear portion is for being connected with outside carrier pipe 14.
Support bar 10 is that anterior termination is the optical axis round bar of threaded rod, and support bar 10 has four; Support ring 11 is annulus, on annulus, has uniform circular hole along circumference, and the optical axis part of circular hole and support bar 10 is matched in clearance; Support ring 11 has several.
Referring to Fig. 1, the end of thread of four support bar 10 front portions by fastening nuts in the rear stub of forward flange cylinder 9; Multiple support rings 11 are through in the optical axis part of support bar 10, and the optical axis part end of support bar 10 is through in four through holes opening on the centre bore circumference of rear mounting disc 3, can in through hole, slide front and back.
Ripple bag 12 is placed in the centre of multiple support rings 11, and its front and back end is closed being arranged between front mounting disc 1 and rear mounting disc 3 respectively, and the center hole of mounting disc 1 and rear mounting disc 3 is communicated with by the inner chamber of ripple bag 12.Ripple bag 12 is corrugated cylinders of fiber flexible material, the external diameter coupling of its major diameter and support ring 11, the internal diameter coupling of its minor diameter and support ring 11.The mounting structure of the bag of embodiment ripple shown in Fig. 1 of the present invention 12 is: ripple bag 12 front ends are fixed together by being arranged on nut on support bar 10 ends screw bars and the rear stub of forward flange cylinder 9 by first support ring 11, its tail end, is fixed on the tail end of ripple bag 12 in rear mounting disc 3 by being located at the fastening effect of the screw bolt and nut on remaining four through holes in the above eight through holes of rear mounting disc 3 by last support ring 11.
In the time that propulsion cylinder 2 stretches, support ring 11 slides on support bar 10 like this, and the distance between each pushing out ring 11 increases, ripple bag 12 exhibition of being stretched; In the time that propulsion cylinder 2 shrinks, the distance between support ring 11 is dwindled, and ripple bag 12 is compressed short, has realized volume-variation.
Referring to Fig. 2, the gas circuit parallel connection of three rear support cylinders 4, the gas circuit parallel connection of three front support cylinders 16, the gas circuit of three propulsion cylinders 2 is also in parallel; Two blow vents of every group of cylinder are connected respectively to two gas outlets of solenoid operated directional valve 17, and the air inlet port of solenoid operated directional valve 17 is connected to source of the gas 18, realize the control to cylinder.In an embodiment of the present invention, described solenoid operated directional valve 17 adopts two-position five-way solenoid operated directional valve.
Pneumatic type subsoil drain Accrete clearing device overall work process summary of the present invention:
To under pneumatic type subsoil drain Accrete clearing device, be put in drainage pipe 20 state that now front support cylinder 16, rear support cylinder 4 and propulsion cylinder 2 are all retracted in piston rod.When Accrete clearing device is started working, the 3DT of two-position five-way solenoid operated directional valve 17 energising, the piston rod of rear support cylinder 4 stretches out, piston rod end arc surface and the drainage pipe 20 of friction pad 8 hold out against, support Accrete clearing device; 2DT energising afterwards, the piston rod of propulsion cylinder 2 stretches out, and before promoting, mounting disc 1 and all members mounted thereto travel forward, and drive ripple bag 12 to stretch forward.Now the volume of ripple bag 12 becomes large, and cavity pressure diminishes, and anterior baffle plate 5 is inwardly opened, and rear portion baffle plate 15 is still closed condition.Mud 21 in drainage pipe 20, along with the reach of shovel board 7, enters into forward flange cylinder 9 and ripple bag 12 by the center hole of front mounting disc 1; When the piston rod of propulsion cylinder 2 moves after extreme position, 1DT energising, the piston rod of front support cylinder 16 stretches out, and is supported on the inwall of drainage pipe 20; 3DT power-off, the piston rod of rear support cylinder 4 is retracted; 2DT power-off, the piston rod of propulsion cylinder 2 is retracted.In the process of retracting at propulsion cylinder 2 piston rods, the rear mounting disc 3 being connected with propulsion cylinder 2 and all members mounted thereto are dragged forward, the volume of ripple bag 12 is diminished, it is large that internal pressure becomes, front valve baffle plate 5 is closed, rear valve baffle plate 15 is opened, and forces its inner mud 21 to discharge by the center hole of rear mounting disc 3.The mud 21 that ripple bag 12 is discharged is transported to ground through rear flange cylinder 13 from the carrier pipe 14 through draining well head 19; After the piston rod of propulsion cylinder 2 is retracted to extreme position, 3DT energising, the piston rod of rear support cylinder 4 stretches out, and repeats next circulation.
Claims (9)
1. a pneumatic type subsoil drain Accrete clearing device, is characterized in that: comprise front mounting disc (1), rear mounting disc (3), propulsion cylinder (2), front support cylinder (16), rear support cylinder (4), support bar (10), support ring (11), ripple bag (12), shovel board (7) and solenoid operated directional valve (17); Front mounting disc (1) is that round-meshed circular disk is opened at center, and front support cylinder (16) is fixedly mounted on the periphery of front mounting disc (1), and it is radially consistent with front mounting disc (1) axially, and piston rod is outside coiling; Rear mounting disc (3) is oppositely arranged with front mounting disc (1), its shape, size are identical with front mounting disc (1), rear support cylinder (4) is fixedly mounted on the periphery of rear mounting disc (3), it is radially consistent with rear mounting disc (3) axially, and piston rod is outside coiling; Ripple bag (12) front and back end is closed being arranged between front mounting disc (1) and rear mounting disc (3) respectively, makes the center hole of front mounting disc (1) and rear mounting disc (3) by the intracavity inter-connection of ripple bag (12); Propulsion cylinder (2) is also arranged between front mounting disc (1) and rear mounting disc (3), and its piston rod and cylinder tail are separately fixed in front mounting disc (1) and rear mounting disc (3); In mounting disc (1), be provided with front valve baffle plate (5), front valve baffle plate (5) is the plate that can inwardly open or hide front mounting disc (1) center hole completely; In rear mounting disc (3), be provided with rear valve baffle plate (15), rear valve baffle plate (15) is the plate that can outwards open or hide rear mounting disc (3) center hole completely; Shovel board (7) is circular cone tubular, and small end is fixedly mounted on front mounting disc (1) outside, is communicated with the center hole of front mounting disc (1).
2. Accrete clearing device according to claim 1, is characterized in that: the quantity of front support cylinder (16) is three, is arranged on symmetrically the periphery of front mounting disc (1); The quantity of rear support cylinder (4) is three, is arranged on symmetrically the periphery of rear mounting disc (3); The quantity of propulsion cylinder (2) is three, is arranged on symmetrically between front mounting disc (1) and rear mounting disc (3); The gas circuit parallel connection of three rear support cylinders (4), the gas circuit parallel connection of three front support cylinders (16), the gas circuit of three propulsion cylinders (2) is also in parallel; Two blow vents of every group of cylinder are connected respectively to two gas outlets of solenoid operated directional valve (17), and the air inlet port of solenoid operated directional valve (17) is connected to source of the gas (18), realize the control to cylinder.
3. Accrete clearing device according to claim 1 and 2, it is characterized in that: friction pad (8) is equipped with in the piston rod end at front support cylinder (16) and rear support cylinder (4), its top for the inwall of drainage pipe (20) circular shape that matches, when piston rod is stretched out, reliably withstand on the inwall of drainage pipe (20).
4. Accrete clearing device according to claim 1, it is characterized in that: the side at the centre bore of front mounting disc (1) is provided with hinge (6), front valve baffle plate (5) is contained in the other end of hinge (6), it can inwardly open or hide completely the center hole of front mounting disc (1) taking hinge (6) as axis of rotation; Rear mounting disc (3) centre bore one side is also equipped with rear valve baffle plate (15) by a hinge, and it can outwards open or hide completely the center hole of rear mounting disc (3) taking hinge as axis of rotation.
5. Accrete clearing device according to claim 1, is characterized in that: be provided with forward flange cylinder (9) in the inner side of front mounting disc (1); The small end of shovel board (7), front mounting disc (1) and forward flange cylinder (9) are fixed together by screw bolt and nut; In the outside of rear mounting disc (3), rear flange cylinder (13) is installed, the pipe tail at rear flange cylinder (13) rear portion and outside carrier pipe (14) are connected.
6. Accrete clearing device according to claim 1, is characterized in that: support bar (10) is that anterior termination is the optical axis round bar of threaded rod; Support ring (11) is annulus, on annulus, has uniform circular hole along circumference, and the optical axis part of circular hole and support bar (10) is matched in clearance.
7. according to the Accrete clearing device described in claim 1 or 6, it is characterized in that: support bar (10) has four, support ring (11) has several.
8. according to the Accrete clearing device described in claim 5,6 or 7, it is characterized in that: the anterior end of thread of support bar (10) by fastening nuts in the rear stub of forward flange cylinder (9); Multiple support rings (11) are through in the optical axis part of support bar (10), the optical axis part end of support bar (10) is through in the through hole of opening on the centre bore circumference of rear mounting disc (3), can in through hole, slide front and back.
9. Accrete clearing device according to claim 8, it is characterized in that: ripple bag (12) is placed in the centre of multiple support rings (11), ripple bag (12) is the corrugated cylinder of fiber flexible material, the external diameter coupling of its major diameter and support ring (11), the internal diameter coupling of its minor diameter and support ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286224.3A CN104060683B (en) | 2014-06-24 | 2014-06-24 | Pneumatic type subsoil drain Accrete clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286224.3A CN104060683B (en) | 2014-06-24 | 2014-06-24 | Pneumatic type subsoil drain Accrete clearing device |
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| Publication Number | Publication Date |
|---|---|
| CN104060683A true CN104060683A (en) | 2014-09-24 |
| CN104060683B CN104060683B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410286224.3A Expired - Fee Related CN104060683B (en) | 2014-06-24 | 2014-06-24 | Pneumatic type subsoil drain Accrete clearing device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105215019A (en) * | 2015-11-16 | 2016-01-06 | 北京建筑大学 | A kind of ventilation shaft deashing robot |
| CN105220764A (en) * | 2015-11-16 | 2016-01-06 | 北京建筑大学 | A kind of Accrete clearing device for subsoil drain and step type moving method thereof |
| CN105297881A (en) * | 2015-11-16 | 2016-02-03 | 北京建筑大学 | Pneumatic type underground drainage pipeline desilting robot with desilting screw conveyor |
| CN105297883A (en) * | 2015-11-16 | 2016-02-03 | 北京建筑大学 | Pneumatic control drainage pipeline dredging device |
| CN107178146A (en) * | 2017-05-24 | 2017-09-19 | 西安市市政设施管理局 | A kind of city planting ductwork dredging robot and method of work based on BP neural network |
| CN110468951A (en) * | 2019-08-15 | 2019-11-19 | 徐承熙 | A kind of hydrodynamic force pipeline cleaning robot |
| CN111794516A (en) * | 2020-07-28 | 2020-10-20 | 浙江润泰建设有限公司 | Indoor decoration method |
| CN111851669A (en) * | 2020-07-28 | 2020-10-30 | 浙江润泰建设有限公司 | Sewage pipe network dredging equipment and dredging method |
| CN111945870A (en) * | 2020-06-28 | 2020-11-17 | 宁波宏川环境科技有限公司 | Sewage pipes rubbish belt cleaning device |
| CN111980147A (en) * | 2020-09-06 | 2020-11-24 | 丁凤景 | Municipal pipeline dredging and maintaining device and implementation method |
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| CN105297881A (en) * | 2015-11-16 | 2016-02-03 | 北京建筑大学 | Pneumatic type underground drainage pipeline desilting robot with desilting screw conveyor |
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| CN105297881B (en) * | 2015-11-16 | 2017-02-01 | 北京建筑大学 | Pneumatic type underground drainage pipeline desilting robot with desilting screw conveyor |
| CN107178146B (en) * | 2017-05-24 | 2018-06-08 | 西安市市政设施管理局 | A kind of city planting ductwork dredging robot and method of work based on BP neural network |
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| CN110468951A (en) * | 2019-08-15 | 2019-11-19 | 徐承熙 | A kind of hydrodynamic force pipeline cleaning robot |
| CN111945870A (en) * | 2020-06-28 | 2020-11-17 | 宁波宏川环境科技有限公司 | Sewage pipes rubbish belt cleaning device |
| CN111945870B (en) * | 2020-06-28 | 2021-11-09 | 宁波宏川环境科技有限公司 | Sewage pipes rubbish belt cleaning device |
| CN111794516A (en) * | 2020-07-28 | 2020-10-20 | 浙江润泰建设有限公司 | Indoor decoration method |
| CN111851669A (en) * | 2020-07-28 | 2020-10-30 | 浙江润泰建设有限公司 | Sewage pipe network dredging equipment and dredging method |
| CN111980147A (en) * | 2020-09-06 | 2020-11-24 | 丁凤景 | Municipal pipeline dredging and maintaining device and implementation method |
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| CN104060683B (en) | 2015-08-19 |
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