CN112354987A - Pipe well dredging device - Google Patents
Pipe well dredging device Download PDFInfo
- Publication number
- CN112354987A CN112354987A CN202011097600.6A CN202011097600A CN112354987A CN 112354987 A CN112354987 A CN 112354987A CN 202011097600 A CN202011097600 A CN 202011097600A CN 112354987 A CN112354987 A CN 112354987A
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- Prior art keywords
- rod
- supporting
- pipe well
- fixing frame
- dredging device
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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.)
- Pending
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention designs a pipe well dredging device, which adopts the technical scheme that: the underground drill pipe comprises an above-ground assembly and an underground assembly, wherein the above-ground assembly comprises a door-shaped supporting frame, an adjusting mechanism is installed on the supporting frame, one end of the adjusting mechanism is connected with a fixing frame of the underground assembly, one end of the fixing frame is installed on a supporting mechanism capable of adjusting the height and the angle, a driving device is installed on a cross rod II of the fixing frame, the driving device is connected with a water pump and a drill pipe, and one end of the drill pipe is connected with a drill bit. The underground component can be divided into an overground part and an underground part, the volume of the underground part can be greatly reduced, the restriction of a working space is reduced, in addition, a supporting mechanism in the underground component can be adjusted in height and angle, the underground component adapts to the environment of a pipeline, and the damage to the pipeline in the dredging process is reduced.
Description
Technical Field
The invention belongs to the field of dredging devices, and particularly relates to a pipe well dredging device which can adapt to various environments and dredge a cable pipe well under different conditions.
Background
With the continuous development of the work of changing urban overhead lines into ground cables, the construction of cable line engineering is increased continuously, but the construction of cable laying and cable laying cannot be synchronized sometimes, and the cable laying can be started only after the cable is laid for a period of time. If the pipe is not immediately plugged or is not properly plugged after the pipe is buried, the contents of the pipe well easily fall into cement, stones, sand and the like, so that the pipeline is plugged.
At present, the pipe well is dredged mainly by a pipeline dredging vehicle, the pipeline dredging vehicle has great requirements on the surrounding environment of a place needing pipeline dredging due to the large volume of the pipeline dredging vehicle, and the pipeline dredging vehicle cannot enter a street to dredge a pipeline for cable pipelines laid on a narrow street; in addition, the cost of using the pipeline dredging vehicle is higher, and the pipeline dredging cost is increased.
Disclosure of Invention
The invention aims to provide a pipe well dredging device aiming at the defect that a pipeline dredging vehicle in pipeline dredging work has high requirements on the surrounding environment in the prior art, so as to solve the technical problems and dredge a cable pipe well in various environments.
In order to solve the above problems, the technical scheme provided by the invention is as follows: a pipe well dredging device comprises an above-ground assembly and an underground assembly, wherein the above-ground assembly comprises a door-shaped support frame, an adjusting mechanism is installed on the support frame, one end of the adjusting mechanism is connected with a first cross rod of a fixing frame of the underground assembly, one end of the first cross rod is installed on a support mechanism capable of adjusting height and angle, a driving device is installed on a second cross rod, the driving device is connected with a drill rod, and one end of the drill rod is connected with a drill bit. Divide into two parts aboveground, underground with whole pull throughs, make the partial volume in the pit reduce, the pull throughs receives workspace's restriction to reduce, in addition, height, the angle through adjusting supporting mechanism can make the environment of underground assembly adaptation pipeline, avoid causing the injury to the pipeline at the mediation in-process.
The improved angle fixing device is characterized in that the supporting mechanism comprises two supporting rods and an angle fixing rod, the supporting rods are connected with the vertical supporting rods through mounting holes, one ends of the two vertical supporting rods are hinged to two ends of a supporting cross beam respectively, the supporting cross beam is connected with a cross rod I of the fixing frame, after the angle fixing rod penetrates through a hole in the middle of the vertical rod I of the fixing frame, two ends of the angle fixing rod are connected with the other ends of the two vertical supporting rods through connecting holes respectively. The distance between the lower ends of the two supporting vertical rods is changed by adjusting the position of the connecting hole, so that the angle between the two supporting rods is adjusted, and the height of the supporting mechanism is adjusted by changing the height of the mounting hole for connecting the supporting rod and the supporting vertical rods, so that the supporting mechanism is adaptive to the structure and the size of a pipeline.
The improved structure of the invention is characterized in that the adjusting mechanism comprises an adjusting shaft, the adjusting shaft penetrates through a cross rod of the supporting frame, an adjusting disc is arranged at one end of the adjusting shaft above the cross rod, a supporting cross shaft, a chain and a first hook are sequentially arranged at the other end of the adjusting shaft, and the first hook is connected with a second hook on the fixing frame. The underground assembly and the above-ground assembly can be connected together through the first hook and the second hook. In addition, the distance between the fixed frame and the supporting frame can be changed by rotating the adjusting shaft.
The improvement of the invention is that the drill bit is a flat-head drill bit, the end surface of the drill bit, which is contacted with the pipeline, is uniformly provided with bulges, the outer wall of the drill bit is provided with a thread-shaped outer guard rail, and the outer wall of the drill bit is also provided with a flow guide hole. The flat-head drill bit is adopted to ensure that the contact area of the cutting surface and the stratum is small, and the drilling can be completed more quickly under the same torque. Through setting up outer guardrail rail at the outer wall, can play the guard action to the drill bit to can guide not hard up earth grit to derive backward along the outside rail smoothly. And water after impacting the stratum can be guided to flow out through the diversion holes.
The improved structure of the invention is characterized in that a stabilizer bar is arranged between the cross bar and the vertical bar of the support frame, the stabilizer bar, the vertical bar and the cross bar form a triangular shape, an oblique bar is arranged on the side edge of the vertical bar, and a triangular shape is formed among the oblique bar, the vertical bar and the base. Guarantee that the support frame can be stable place subaerial.
The improved angle fixing rod is characterized in that mounting holes with different heights are formed in the supporting vertical rod, and connecting holes in different positions are formed in the angle fixing rod. When the underground assembly is installed, the positions of the installation holes and the connection holes are changed, so that the angle and the height between the two support rods can be changed, and the underground assembly is suitable for the environment of a pipeline.
The improved structure of the invention is characterized in that a telescopic rod is arranged on a vertical rod II of the fixed frame, which is far away from the supporting mechanism, and the telescopic rod is provided with a mounting hole connected with a pipeline. Can follow after going into the pit and pull out the telescopic link, be connected fixedly with the interior angle bar of well, make the place ahead supporting mechanism and rear mount form the triangle structure, improve equipment body's stability.
The improvement of the invention is that a second cross rod of the fixed frame is provided with a guide rail, and the upper part of the driving device is connected with the second cross rod through a rocking wheel and the guide rail. In this way, the motor can travel on a pre-designed guide rail by rotating the rocking wheel.
The improved structure of the invention is that the lower end of the support frame is provided with a pulley, which is convenient for moving the support frame.
The underground dredging device has the advantages that the whole dredging device is divided into an aboveground part and an underground part, so that the volume of the underground part is reduced, the restriction of a working space on the dredging device is reduced, in addition, the underground assembly can adapt to the environment of a pipeline by adjusting the height and the angle of the supporting mechanism, and the pipeline is prevented from being damaged in the dredging process. The invention also adopts a flat head drill bit, reduces the contact area between the cutting surface and the stratum and can more quickly finish drilling under the same torque.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a specific embodiment of the present invention.
Fig. 2 is a schematic structural view of the support frame in fig. 1.
Fig. 3 is a schematic structural view of the support mechanism in fig. 1.
Fig. 4 is a schematic diagram of the construction of the drill bit of fig. 1.
Fig. 5 is a schematic structural view of the fixing frame in fig. 1.
In the figure: 1. the device comprises a base, 2, a diagonal rod, 3, a vertical rod, 4, a cross rod, 5 a stabilizer rod, 6, a handle, 7, a support frame, 8, a pulley, 9, a first hook, 10, a chain, 11, a support cross shaft, 12, an adjusting shaft, 13, an adjusting disc, 14, an adjusting mechanism, 15, an above-ground component, 16, a support rod, 17, a support vertical rod, 18, a mounting hole, 19, a support cross beam, 20, an angle fixing rod, 21, a connecting hole, 22, a supporting mechanism, 23, a second hook, 24, a second vertical rod, 25, a first cross rod, 26, a first vertical rod, 27, a hole, 28, a fixing ring, 29, a second cross rod, 30, a guide rail, 31, a fixing frame, 32, a telescopic rod, 33, a driving device, 34, a rocking wheel, 35, a water pump, 36, a drill rod, 37, a drill bit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
As shown in the figures, the pipe well dredging device comprises an above-ground component 15 and an underground component, wherein the above-ground component 15 comprises a door-shaped support frame 7, a pulley 8 convenient for the support frame 7 to move is arranged on a base 1 of the support frame 7, an inclined rod 2 is further arranged between the base 1 and a vertical rod 3 of the support frame 7, the inclined rod 2, the base 1 and the vertical rod 3 form a stable triangular structure, a stabilizing rod 5 is further arranged between the vertical rod 3 and a cross rod 4 of the support frame 7, the stabilizing rod 5, the vertical rod 3 and the cross rod 4 form a triangular shape, a handle 6 is further arranged on the outer side of the vertical rod 3, an adjusting mechanism 14 is mounted on the cross rod 4 of the support frame 7, an adjusting shaft 12 of the adjusting mechanism 14 penetrates through the support frame 7 and is in threaded connection with the cross rod 4 of the support frame 7, a lead screw is preferably selected as the adjusting shaft 12, an adjusting, the lower extreme of regulating spindle 12 is installed and is supported cross axle 11, support and install chain 10 on the cross axle 11, the lower extreme of chain 10 is provided with couple one 9, and after underground assembly put into the well, couple two 23 on couple one 9 and the horizontal pole one 25 of mount 31 in the underground assembly in the pipeline are connected. Wherein the number of chains 10 is preferably two.
The underground assembly comprises a supporting mechanism 22, a fixing frame 31 and a drill bit 37, wherein the supporting mechanism 22 comprises two supporting rods 16, the two supporting rods 16 are connected with a supporting cross beam 19 through supporting vertical rods 17, the supporting vertical rods 17 and the supporting rods 16 are detachably connected, during installation, the installation height of the supporting rods 16 can be changed by selecting mounting holes 18 which are used for being connected with the supporting rods 16 and are different in height on the supporting vertical rods 17, two ends of each supporting cross beam 19 are hinged to one end of each supporting vertical rod 17, the two supporting vertical rods 17 are further connected through an angle fixing rod 20, connecting holes 21 in different positions are formed in the angle fixing rod 20, the positions of the connecting holes 21 which are connected with the supporting vertical rods 17 on the angle fixing rod 20 are changed, and therefore the angle between the two supporting rods 16 is changed. The fixing frame 31 is connected with the supporting mechanism 22, wherein one end of a cross rod I25 provided with a hook II 23 on the fixing frame 31 is connected with the supporting cross beam 19, a hole 27 is formed in the middle of a vertical rod I26 of the fixing frame 31 close to the supporting mechanism 22, the angle fixing rod 20 penetrates through the hole 27, a fixing ring 28 used for fixing a drill rod 36 is further arranged on one side of the vertical rod I26, an expansion rod 32 is arranged on a vertical rod II 24 of the other side, a mounting hole is formed in one end of the expansion rod 32, and the expansion rod can be connected with the inner angle iron of the pipeline through the mounting hole. A guide rail 30 is arranged on the other cross bar II 29 of the fixed frame 31, wherein the guide rail 30 is preferably a gear guide rail, a driving device 33 for driving the drill bit 37 to work is arranged on the guide rail 30, a rocking wheel 34 is further arranged on the upper portion of the driving device 33, the driving device 33 moves on the guide rail 30 by rotating the rocking wheel 34, and the driving device 33 is preferably a permanent magnet brushless direct current motor. The water injection port of the driving device 33 is connected with the water pump 35, the output end of the driving device 33 is connected with the drill rod 36, the drill rod 36 penetrates through the fixing ring 28 and then is connected with the drill bit 37, the drill bit 37 and the drill rod 36 are of hollow structures, and the material of the drill rod 36 is preferably S-135. The drill bit 37 is a plain end drill bit, protrusions are uniformly arranged on the end face, in contact with the pipeline, of the drill bit 37, an outer protection rail 38 with spiral grains is arranged on the outer wall of the drill bit 37, and a diversion hole 39 is further formed in the outer wall of the drill bit 37.
The working process of the invention is as follows: the method comprises the steps of assembling an above-ground component 15 and an underground component on the ground and in a well according to actual working environments respectively, adjusting an angle fixing rod 20 and a connecting hole 21 connected with a supporting vertical rod 17 according to the actual working environments, adjusting a mounting hole 18 connected with the supporting vertical rod 17 and a supporting rod 16 so as to adjust the angle and the height of a supporting mechanism 22, then connecting a first hook 9 on a chain 10 on an adjusting mechanism 14 with a second hook 23 on an underground component fixing frame 31, connecting one end of a telescopic rod 32 on the fixing frame 31 with a well angle iron, shaking a shaking wheel 34 to change the position of a driving device 33 on a guide rail 30, aligning a drill bit 37 to a position to be cleaned and dredged, opening the driving device 33 and a water pump 35, and driving the drill rod 36 and the drill bit 37 to rotate through the driving device.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The pipe well dredging device is characterized by comprising an above-ground assembly (15) and an underground assembly, wherein the above-ground assembly (15) comprises a door-shaped supporting frame (7), an adjusting mechanism (14) is installed on the supporting frame (7), one end of the adjusting mechanism (14) is connected with a fixing frame (31) of the underground assembly, one end of the fixing frame (31) is installed on a supporting mechanism (22) capable of adjusting the height and the angle, a driving device (33) is installed on a second cross rod (29) of the fixing frame (31), the driving device (33) is connected with a water pump (35) and a drill rod (36), and one end of the drill rod (36) is connected with a drill bit (37).
2. The pipe well dredging device according to claim 1, wherein the supporting mechanism (22) comprises two supporting rods (16) and an angle fixing rod (20), the supporting rods (16) are connected with the supporting vertical rods (17) through mounting holes (18), one ends of the two supporting vertical rods (17) are hinged to two ends of a supporting cross beam (19) respectively, the middle part of the supporting cross beam (19) is connected with a first cross rod (25) of the fixing frame (31), and after the angle fixing rod (20) passes through a hole (27) in the middle part of a first vertical rod (26) of the fixing frame (31), two ends of the angle fixing rod (20) are connected with the other ends of the two supporting vertical rods (17) through connecting holes (21).
3. The pipe well dredging device according to claim 1, wherein the adjusting mechanism (14) comprises an adjusting shaft (12), the adjusting shaft (12) penetrates through a cross rod (4) of the supporting frame (7), an adjusting disc (13) is installed at one end, above the cross rod (4), of the adjusting shaft (12), a supporting cross shaft (11), a chain (10) and a first hook (9) are sequentially arranged at the other end of the adjusting shaft (12), and the first hook (9) is connected with a second hook (23) on the fixing frame (31).
4. A pipe well dredging device according to claim 1, wherein the drill bit (37) is a flat head drill bit, the end surface of the drill bit (37) contacting with the pipe is uniformly provided with protrusions, the outer wall of the drill bit (37) is provided with a thread-shaped outer guard rail (38), and the outer wall of the drill bit (37) is further provided with a diversion hole (39).
5. The pipe well dredging device of claim 1, wherein a stabilizer bar (5) is arranged between the cross bar (4) and the vertical bar (3) of the support frame (7), the stabilizer bar (5), the vertical bar (3) and the cross bar (4) form a triangular shape, the side of the vertical bar (3) is provided with an oblique bar (2), and the oblique bar (2), the vertical bar (3) and the base (1) form a triangular shape.
6. A pipe well dredging device according to claim 2, wherein the supporting vertical rod (17) is provided with mounting holes (18) with different heights, and the angle fixing rod (20) is provided with connecting holes (21) with different positions.
7. The pipe well dredging device according to claim 1, wherein a telescopic rod (32) is arranged on the second vertical rod (24) of the fixing frame (31) far away from the supporting mechanism (22), and a mounting hole connected with a pipeline is arranged on the telescopic rod (32).
8. The pipe well dredging device according to claim 1, wherein a guide rail (30) is arranged on the second cross rod (29) of the fixing frame (31), and the upper part of the driving device (33) is connected with the second cross rod (29) through the rocking wheel (34) and the guide rail (30).
9. A pipe well dredging device according to claim 1, wherein the lower end of the support frame (7) is provided with a pulley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097600.6A CN112354987A (en) | 2020-10-14 | 2020-10-14 | Pipe well dredging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097600.6A CN112354987A (en) | 2020-10-14 | 2020-10-14 | Pipe well dredging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112354987A true CN112354987A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097600.6A Pending CN112354987A (en) | 2020-10-14 | 2020-10-14 | Pipe well dredging device |
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| Country | Link |
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| CN (1) | CN112354987A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020069471A1 (en) * | 2000-12-07 | 2002-06-13 | Ornum Leslie Van | Culvert cleaning apparatus |
| WO2010112808A1 (en) * | 2009-03-31 | 2010-10-07 | Industrial Brushware Limited | Improved pig with adjustable turbine blades and cutting head |
| CN102601087A (en) * | 2012-03-09 | 2012-07-25 | 常州大学 | Scissor pipeline robot putting and withdrawing device |
| CN105864564A (en) * | 2016-06-15 | 2016-08-17 | 长春高祥特种管道有限公司 | Method for repairing underground glass fiber reinforced plastic pipe in equal-diameter penetrating mode |
| CN106391600A (en) * | 2016-08-31 | 2017-02-15 | 北汽福田汽车股份有限公司 | Conveying pipe cleaning device |
| CN210098449U (en) * | 2019-05-15 | 2020-02-21 | 安徽昊宇建设工程有限公司 | Pipeline dredging device |
| CN210369288U (en) * | 2019-06-15 | 2020-04-21 | 北京建工一建工程建设有限公司 | Novel dredging equipment for cured sewer cement paste |
-
2020
- 2020-10-14 CN CN202011097600.6A patent/CN112354987A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020069471A1 (en) * | 2000-12-07 | 2002-06-13 | Ornum Leslie Van | Culvert cleaning apparatus |
| WO2010112808A1 (en) * | 2009-03-31 | 2010-10-07 | Industrial Brushware Limited | Improved pig with adjustable turbine blades and cutting head |
| CN102601087A (en) * | 2012-03-09 | 2012-07-25 | 常州大学 | Scissor pipeline robot putting and withdrawing device |
| CN105864564A (en) * | 2016-06-15 | 2016-08-17 | 长春高祥特种管道有限公司 | Method for repairing underground glass fiber reinforced plastic pipe in equal-diameter penetrating mode |
| CN106391600A (en) * | 2016-08-31 | 2017-02-15 | 北汽福田汽车股份有限公司 | Conveying pipe cleaning device |
| CN210098449U (en) * | 2019-05-15 | 2020-02-21 | 安徽昊宇建设工程有限公司 | Pipeline dredging device |
| CN210369288U (en) * | 2019-06-15 | 2020-04-21 | 北京建工一建工程建设有限公司 | Novel dredging equipment for cured sewer cement paste |
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Application publication date: 20210212 |
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| RJ01 | Rejection of invention patent application after publication |