CN112922136B - Sewage treatment pipeline dredging equipment - Google Patents
Sewage treatment pipeline dredging equipment Download PDFInfo
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- CN112922136B CN112922136B CN202110128139.4A CN202110128139A CN112922136B CN 112922136 B CN112922136 B CN 112922136B CN 202110128139 A CN202110128139 A CN 202110128139A CN 112922136 B CN112922136 B CN 112922136B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
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Abstract
The invention provides sewage treatment pipeline dredging equipment which comprises a rack, a scouring unit and a scraping unit, wherein the scouring unit is installed at the left end of the rack, and the scraping unit is arranged in the scouring unit; the scouring unit provided by the invention can spray water jet on the circumferential direction of the inner wall of the pipeline to soften sludge on the inner wall of the pipeline, and can be matched with the scraping unit to carry out secondary scouring on the scraped inner wall of the pipeline, so that the sludge on the inner wall of the pipeline can be thoroughly removed; the scraping unit provided by the invention can be matched with the scouring unit to carry out circumferential multi-stage scraping treatment on the sludge on the inner wall of the pipeline, and can stir and dilute the scraped sludge and water so as to be conveniently pumped out of the pipeline, so that manual scraping can be replaced; the invention is provided with the pumping assembly which can be matched with the scraping unit to pump out diluted sludge from the pipeline, thereby preventing residual sludge in the pipeline and prolonging the service life of the pipeline.
Description
Technical Field
The invention relates to the technical field of sewage pipeline dredging treatment, in particular to sewage treatment pipeline dredging equipment.
Background
The sewage pipeline is used for collecting domestic sewage of people. Before being discharged into water or recycled, the waste water is generally transported to a sewage treatment plant for processing treatment so as to reach the discharge standard; because a large amount of sundries discharged into the pipeline for a long time are precipitated and deposited to be sludge, the sludge is required to be periodically subjected to pipeline dredging treatment in order to prevent the pipeline from being blocked and prevent sewage from flowing excessively to pollute the environment, the pipeline dredging is to dredge the pipeline, clean the sludge in the pipeline and keep the pipeline smooth for a long time.
However, the following problems exist when the sewage pipeline is subjected to dredging treatment at present: most of the existing sewage pipelines are shoveled in a manual operation mode during dredging treatment, and in order to facilitate shoveling, the shoveled sludge needs to be dried and shoveled, and then the shoveled sludge is discharged to the outside of the pipelines one by one and needs to be washed for the second time, so that the workload is increased, the labor cost is consumed, and the working efficiency is influenced; because the inner wall of the pipeline is uneven, the sludge cannot be completely removed, and the residual sludge on the inner wall of the pipeline is easy to cause, so that the service cycle of the pipeline is shortened.
Disclosure of Invention
First, technical problem to be solved
The sewage treatment pipeline dredging equipment provided by the invention can solve the problems pointed out in the background technology.
Second, technical scheme
In order to achieve the above purpose, the invention adopts the following technical scheme that the sewage treatment pipeline dredging device comprises a frame, a scouring unit and a scraping unit, wherein the scouring unit is installed at the left end of the frame, and the scraping unit is arranged in the scouring unit, wherein:
the frame includes base, pivot, driving motor, removal wheel and takes out and removes the subassembly, wherein: the fixed slot has been seted up to the base inside, set up the auxiliary hole rather than being linked together along the fixed slot upper end, set up the spread groove rather than being linked together along the fixed slot lower extreme, and the spread groove lower extreme has evenly seted up the connecting hole from the front to the back, use the fixed slot to set up the sliding hole as basic point bilateral symmetry along the base inside, along the sliding hole front and back symmetry and downward run through and seted up the transmission groove, wherein the pivot is rotated and is set up in the sliding hole, and be connected through the belt drive between the pivot, it has the removal wheel of rotation setting in the transmission groove to overlap along pivot both ends, driving motor passes through the motor cabinet and installs on base front end right side sliding hole department outer wall, and the driving motor output shaft is connected with the right side pivot, take out the unit mount in the fixed slot.
The unit of erodeing includes supporting seat, L shape pole, linkage disc, location motor, drive gear, high-pressure pump, outlet pipe and stand pipe, wherein: the supporting seat is arranged on the outer wall of the left side of the upper end of the base, an L-shaped rod is arranged along the upper end of the supporting seat, a linkage disc is arranged at the left end of the L-shaped rod in a sliding manner, an installation groove is arranged along the center of the interior of the linkage disc, and the right end of the linkage disc is provided with a linkage groove, the periphery of the outer edge wall of the linkage groove is uniformly provided with executing gear teeth, the inner periphery of the linkage disc is provided with an annular chute, the right end of the annular chute is provided with an annular hole communicated with the annular chute, the left end of the annular chute is provided with an auxiliary chute communicated with the annular chute, the inner edge of the left end of the auxiliary chute is circumferentially and uniformly provided with a circular chute communicated with the auxiliary chute, wherein the location motor is installed in the supporting seat, is equipped with along the terminal cover of location motor output shaft and carries out the drive gear that the teeth of a cogwheel was meshed, and the high-pressure pump sets up in the mounting groove, is provided with the outlet pipe along the high-pressure pump left end, evenly is provided with the stand pipe along outlet pipe left end outer wall circumference.
The scraping unit comprises a supporting block, an annular frame, an execution cylinder, transmission gear teeth, an auxiliary gear, a supporting shaft, a stirring rod, a fixing block and a scraping block, wherein: the annular frame slides and sets up in annular spout, supporting shoe one end is installed on base left end outer wall, the supporting shoe other end slides and sets up in the annular hole, and the supporting shoe end is installed on annular frame right-hand member outer wall, install the execution section of thick bamboo that slides and set up in supplementary spout along the annular frame left end, evenly be provided with the transmission teeth of a cogwheel along execution section of thick bamboo left side inner wall circumference, the back shaft right-hand member rotates and sets up in circular spout, it is equipped with the auxiliary gear who slides and set up in circular spout and mesh with the transmission teeth of a cogwheel to overlap along the back shaft outer wall, and back shaft left side outer wall from left to right circumference evenly is provided with the puddler, fixed block circumference evenly sets up on linkage dish left end outer wall, and fixed block and back shaft crisscross arrangement, it strikes off the piece to be provided with along fixed block outer wall symmetry.
As a preferred technical solution of the present invention, the pumping assembly includes a water pump, a connection pipe, an execution pipe, and a water outlet pipe, wherein: the suction pump is installed in the fixed slot, installs the connecting pipe that sets up in the spread groove along the suction pump lower extreme, evenly installs the executive tube who sets up in the link hole from the front to the back along the connecting pipe lower extreme, is provided with the outlet pipe of installing in the auxiliary hole along the suction pump upper end.
As a preferred technical scheme of the invention, the supporting block is an arc-shaped lug which is convenient to match with the annular hole and is connected with the annular frame.
According to a preferable technical scheme of the invention, the outer side wall of the fixing block is uniformly provided with steel wire brushes for primarily brushing off sludge on the inner wall of the pipeline.
As a preferred technical solution of the present invention, the scraping block has a triangular structure with a thickness gradually decreasing from an inner edge to an outer edge to facilitate scraping of sludge inside the pipe.
As a preferred technical solution of the present invention, a guide cylinder for guiding water flow is installed at the lower end of the actuating pipe, and the guide cylinder is a circular truncated cone-shaped cylinder with a diameter gradually decreasing from top to bottom.
Third, beneficial effect
1. The invention greatly improves the dredging treatment of the sewage pipeline, and can solve the problems that most of the current sewage pipeline is shoveled by a manual operation mode during the dredging treatment, the shoveled sludge needs to be dried and shoveled for the convenience of shoveling, and is discharged to the outside of the pipeline one by one and needs to be washed for the second time, so that the workload is increased, the labor cost is consumed, and the working efficiency is influenced; because the inner wall of the pipeline is uneven, the sludge cannot be completely removed, and the residual sludge on the inner wall of the pipeline is easy to cause, thereby shortening the service cycle of the pipeline and the like.
2. The scouring unit is arranged, water jet can be sprayed on the inner wall of the pipeline in the circumferential direction to soften the sludge on the inner wall of the pipeline, and the scraped inner wall of the pipeline can be scoured for the second time by matching with the scraping unit, so that the sludge on the inner wall of the pipeline can be thoroughly cleaned, the phenomenon that the sludge cannot be completely cleaned due to drying can be prevented, the secondary scouring of the pipeline can be avoided, and the workload is reduced.
3. The scraping unit is arranged, so that circumferential multistage scraping treatment can be performed on sludge on the inner wall of the pipeline by matching with the scouring unit, and the scraped sludge and water can be stirred and diluted so as to be conveniently pumped out of the pipeline, so that manual scraping can be replaced, the labor cost is reduced, and the working efficiency is improved.
4. The invention is provided with the pumping assembly which can be matched with the scraping unit to pump out diluted sludge from the pipeline, thereby preventing residual sludge in the pipeline and prolonging the service life of the pipeline.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a top cross-sectional view of the base of the present invention.
FIG. 3 is a partial schematic view of the evacuation assembly of the present invention.
Fig. 4 is a partial structural view of the scraping unit of the present invention.
Fig. 5 is a schematic perspective view of the linkage disk, the stirring rod, the fixing block and the scraping block of the present invention.
Fig. 6 is a partial perspective view of the scraping unit of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1-6, sewage treatment pipeline dredging equipment includes frame 1, erodees unit 2 and scrapes unit 3, frame 1 left end is installed and is erodeed unit 2, erodees 2 inside being provided with of unit and scrapes unit 3 that erode, wherein:
The pumping assembly 15 includes a water pump 151, a connection pipe 152, an execution pipe 153, and a water discharge pipe 154, wherein: the water pump 151 is installed in the fixing groove 111, the connecting pipe 152 arranged in the connecting groove 113 is installed along the lower end of the water pump 151, the actuating pipes 153 arranged in the connecting holes 114 are evenly installed along the lower end of the connecting pipe 152 from front to back, the guide cylinder 1531 for guiding water flow is installed at the lower end of the actuating pipe 153, and the guide cylinder 1531 is a circular truncated cone structure cylinder with the diameter gradually reduced from top to bottom; a drain pipe 154 installed in the auxiliary hole 112 is provided along the upper end of the suction pump 151; during specific work, the water pump 151 is turned on, the water pump 151 pumps out sewage on the inner wall of the lower end of the pipeline through the connection pipe 152, the execution pipe 153 and the guide cylinder 1531, and then the sewage is discharged to the outside of the pipeline through the drainage pipe 154.
The flushing unit 2 comprises a supporting seat 21, an L-shaped rod 22, a linkage disc 23, a positioning motor 24, a transmission gear 25, a high-pressure pump 26, a water outlet pipe 27 and a guide pipe 28, wherein: the supporting seat 21 is installed on the left outer wall of the upper end of the base 11, the L-shaped rod 22 is installed along the upper end of the supporting seat 21, the linkage disc 23 is slidably installed at the left end of the L-shaped rod 22, the installation groove 231 is opened along the center of the inside of the linkage disc 23, the linkage groove 232 is opened at the right end of the linkage disc 23, the execution gear teeth 233 are evenly arranged along the circumferential direction of the outer edge wall of the linkage groove 232, the annular sliding groove 234 is opened along the outer edge of the inside of the linkage disc 23, the annular hole 235 communicated with the annular sliding groove 234 is opened at the right end of the annular sliding groove 234, the auxiliary sliding groove 236 communicated with the annular sliding groove 234 is opened at the left end of the annular sliding groove 234, the circular sliding groove 237 communicated with the annular sliding groove is evenly opened at the circumferential direction of the inner edge of the left end of the auxiliary sliding groove 236, wherein the positioning motor 24 is installed in the supporting seat 21, the transmission gear 25 meshed with the execution gear teeth 233 is sleeved along the tail end of the output shaft of the positioning motor 24, the high pressure pump 26 is installed in the installation groove 231, the water outlet 27 is arranged along the left end of the high pressure pump 26, guide pipes 28 are uniformly arranged along the circumferential direction of the outer wall at the left end of the water outlet pipe 27; during specific work, the positioning motor 24 is started, the positioning motor 24 is matched with the execution gear teeth 233 through the transmission gear 25 to drive the linkage disc 23 to rotate, the high-pressure pump 26 is started at the moment, the high-pressure pump 26 is matched with the guide pipe 28 through the water outlet pipe 27 to circumferentially spray water jet on the inner wall of the pipeline, and therefore preliminary scouring treatment is conducted on the inner wall of the pipeline.
The scraping unit 3 includes a supporting block 31, an annular frame 32, an actuating cylinder 33, a transmission gear tooth 34, an auxiliary gear 35, a supporting shaft 36, a stirring rod 37, a fixing block 38, and a scraping block 39, wherein: the annular frame 32 is arranged in the annular chute 234 in a sliding manner, one end of the supporting block 31 is arranged on the outer wall of the left end of the base 11, the other end of the supporting block 31 is arranged in the annular hole 235 in a sliding manner, the tail end of the supporting block 31 is arranged on the outer wall of the right end of the annular frame 32, and the supporting block 31 is an arc-shaped bump which is convenient to match with the annular hole 235 and is connected with the annular frame 32; an execution cylinder 33 which is arranged in the auxiliary sliding groove 236 in a sliding manner is installed along the left end of the annular frame 32, transmission gear teeth 34 are uniformly arranged along the circumferential direction of the inner wall of the left side of the execution cylinder 33, the right end of the supporting shaft 36 is rotatably arranged in the circular sliding groove 237, an auxiliary gear 35 which is arranged in the circular sliding groove 237 in a sliding manner and is meshed with the transmission gear teeth 34 is sleeved along the outer wall of the supporting shaft 36, stirring rods 37 are uniformly arranged on the outer wall of the left side of the supporting shaft 36 in the circumferential direction from left to right, fixed blocks 38 are uniformly arranged on the outer wall of the left end of the linkage disc 23 in the circumferential direction, and steel wire brushes 381 which are used for primarily brushing off sludge on the inner wall of the pipeline are uniformly arranged on the outer side wall of the fixed blocks 38; the fixed blocks 38 and the supporting shafts 36 are arranged in a staggered mode, and scraping blocks 39 are symmetrically arranged along the outer walls of the fixed blocks 38; the scraping block 39 has a triangular structure with a thickness gradually decreasing from an inner edge to an outer edge to facilitate scraping of sludge inside the pipe.
During specific work, fixed block 38 carries out circumferential motion under the effect of link plate 23, make fixed block 38 carry out preliminary brush through steel brush 381 to the silt of pipeline inner wall and remove the processing, fixed block 38 drives simultaneously and strikes off piece 39 and carry out circumferential motion, make and strike off the silt of piece 39 to pipeline inner wall and strike off the processing, during back shaft 36 drives auxiliary gear 35 and carries out circumferential motion under the effect of link plate 23, auxiliary gear 35 cooperates transmission teeth of a cogwheel 34 to drive back shaft 36 and puddler 37 and rotates, and then through the water intensive mixing of puddler 37 with silt and pipeline lower extreme inner wall, so that the cooperation is taken out subassembly 15 and is taken it out to the pipeline outside.
During operation
The first step is as follows: an operator places the device in a pipeline to be processed, turns on the transmission motor 13, and the transmission motor 13 drives the moving wheel 14 to rotate through the rotating shaft 12 so as to drive the device to move towards the interior of the pipeline and further carry out dredging treatment on the pipeline.
The second step is that: and (3) opening the positioning motor 24, driving the linkage disc 23 to rotate by the positioning motor 24 through the matching of the transmission gear 25 and the execution gear teeth 233, opening the high-pressure pump 26 at the moment, and enabling the high-pressure pump 26 to match the guide pipe 28 through the water outlet pipe 27 to perform circumferential jet water jet on the inner wall of the pipeline so as to perform preliminary scouring treatment on the inner wall of the pipeline.
The third step: the fixed block 38 performs circumferential motion under the action of the linkage disc 23, so that the fixed block 38 performs preliminary brushing treatment on sludge on the inner wall of the pipeline through the steel wire brush 381, meanwhile, the fixed block 38 drives the scraping block 39 to perform circumferential motion, so that the scraping block 39 performs scraping treatment on the sludge on the inner wall of the pipeline, the support shaft 36 drives the auxiliary gear 35 to perform circumferential motion under the action of the linkage disc 23, the auxiliary gear 35 cooperates with the transmission gear teeth 34 to drive the support shaft 36 and the stirring rod 37 to rotate, so that the sludge is fully mixed with water on the inner wall of the lower end of the pipeline through the stirring rod 37, at the moment, the water pump 151 is opened, the water pump 151 cooperates with the execution pipe 153 and the guide cylinder 1531 through the connecting pipe 152 to pump out sewage on the inner wall of the lower end of the pipeline, and then the sewage is discharged to the outside of the pipeline through the water discharge pipe 154.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a sewage treatment pipeline desilting equipment, includes frame (1), erodees unit (2) and strikes off unit (3), its characterized in that: frame (1) left end is installed and is washed unit (2), washes that unit (2) inside is provided with strikes off unit (3), wherein:
frame (1) includes base (11), pivot (12), driving motor (13), removes wheel (14) and takes out and remove subassembly (15), wherein: the base (11) is internally provided with a fixed groove (111), an auxiliary hole (112) communicated with the fixed groove is formed along the upper end of the fixed groove (111), a connecting groove (113) communicated with the fixed groove is formed along the lower end of the fixed groove (111), connecting holes (114) are uniformly formed at the lower end of the connecting groove (113) from front to back, sliding holes (115) are symmetrically formed in the base (11) from left to right by taking the fixed groove (111) as a base point, transmission grooves (116) are symmetrically formed in the front and back of and penetrate downwards along the sliding holes (115), a rotating shaft (12) is rotatably arranged in the sliding holes (115), the rotating shafts (12) are connected through belt transmission, moving wheels (14) rotatably arranged in the transmission grooves (116) are sleeved along the two ends of the rotating shaft (12), a transmission motor (13) is arranged on the outer wall of the sliding holes (115) at the right side of the front end of the base (11) through a motor base, and an output shaft of the transmission motor (13) is connected with the rotating shaft (12) at the right side, the drawing component (15) is arranged in the fixing groove (111);
the scouring unit (2) comprises a supporting seat (21), an L-shaped rod (22), a linkage disc (23), a positioning motor (24), a transmission gear (25), a high-pressure pump (26), a water outlet pipe (27) and a guide pipe (28), wherein: the supporting seat (21) is arranged on the outer wall of the left side of the upper end of the base (11), an L-shaped rod (22) is arranged along the upper end of the supporting seat (21), a linkage disk (23) is arranged at the left end of the L-shaped rod (22) in a sliding manner, an installation groove (231) is arranged along the center inside the linkage disk (23), a linkage groove (232) is arranged at the right end of the linkage disk (23), execution gear teeth (233) are uniformly arranged along the circumferential direction of the outer edge wall of the linkage groove (232), an annular sliding groove (234) is arranged along the outer edge inside the linkage disk (23), an annular hole (235) communicated with the annular sliding groove (234) is arranged at the right end of the annular sliding groove (234), an auxiliary sliding groove (236) communicated with the annular sliding groove is arranged at the left end of the annular sliding groove (234), a circular sliding groove (237) communicated with the auxiliary sliding groove is uniformly arranged at the circumferential direction of the inner edge of the left end of the auxiliary sliding groove (236), wherein the positioning motor (24) is arranged in the supporting seat (21), a transmission gear (25) meshed with the execution gear teeth (233) is sleeved along the tail end of an output shaft of the positioning motor (24), the high-pressure pump (26) is arranged in the mounting groove (231), a water outlet pipe (27) is arranged along the left end of the high-pressure pump (26), and guide pipes (28) are uniformly arranged along the circumferential direction of the outer wall of the left end of the water outlet pipe (27);
the scraping unit (3) comprises a supporting block (31), an annular frame (32), an execution cylinder (33), transmission gear teeth (34), an auxiliary gear (35), a supporting shaft (36), a stirring rod (37), a fixing block (38) and a scraping block (39), wherein: the annular frame (32) is arranged in the annular sliding groove (234) in a sliding manner, one end of a supporting block (31) is arranged on the outer wall of the left end of the base (11), the other end of the supporting block (31) is arranged in the annular hole (235) in a sliding manner, the tail end of the supporting block (31) is arranged on the outer wall of the right end of the annular frame (32), an execution cylinder (33) which is arranged in the auxiliary sliding groove (236) in a sliding manner is arranged along the left end of the annular frame (32), transmission gear teeth (34) are uniformly arranged along the circumferential direction of the inner wall of the left side of the execution cylinder (33), the right end of a supporting shaft (36) is rotationally arranged in the circular sliding groove (237), an auxiliary gear (35) which is arranged in the circular sliding groove (237) in a sliding manner and is meshed with the transmission gear teeth (34) is sleeved on the outer wall of the left side of the supporting shaft (36) in a circumferential direction from left to right, stirring rods (37) are uniformly arranged on the outer wall of the left end of the linkage disc (23) in a circumferential direction, the fixed blocks (38) and the support shafts (36) are arranged in a staggered mode, and scraping blocks (39) are symmetrically arranged along the outer wall of the fixed blocks (38);
the outer side wall of the fixed block (38) is uniformly provided with a steel wire brush (381) for primarily brushing off the sludge on the inner wall of the pipeline;
the scraping block (39) is of a triangular structure with the thickness gradually reduced from the inner edge to the outer edge, and is convenient for scraping sludge in the pipeline.
2. The sewage treatment pipeline dredging device of claim 1, wherein: the pumping assembly (15) comprises a water suction pump (151), a connecting pipe (152), an execution pipe (153) and a water discharge pipe (154), wherein: suction pump (151) are installed in fixed slot (111), install connecting pipe (152) of setting in spread groove (113) along suction pump (151) lower extreme, along connecting pipe (152) lower extreme from the front to the back evenly install execution pipe (153) of setting in connecting hole (114), be provided with drain pipe (154) of installing in auxiliary hole (112) along suction pump (151) upper end.
3. The sewage treatment pipeline dredging device of claim 1, wherein: the supporting block (31) is an arc-shaped bump which is convenient to match with the annular hole (235) and is connected with the annular frame (32).
4. The sewage treatment pipeline dredging device of claim 2, wherein: the lower end of the execution pipe (153) is provided with a guide cylinder (1531) for guiding water flow, and the guide cylinder (1531) is a circular truncated cone structure cylinder with the diameter gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128139.4A CN112922136B (en) | 2021-01-29 | 2021-01-29 | Sewage treatment pipeline dredging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128139.4A CN112922136B (en) | 2021-01-29 | 2021-01-29 | Sewage treatment pipeline dredging equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112922136A CN112922136A (en) | 2021-06-08 |
| CN112922136B true CN112922136B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110128139.4A Active CN112922136B (en) | 2021-01-29 | 2021-01-29 | Sewage treatment pipeline dredging equipment |
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| CN (1) | CN112922136B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113798290B (en) * | 2021-09-18 | 2022-06-28 | 骏能化工（龙南）有限公司 | Turnover dredging process for sewage produced by latex solution |
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| CN109024865B (en) * | 2018-09-18 | 2020-07-28 | 广东祥实建设有限公司 | Hydraulic engineering pipeline dredging device and special pipeline for dredging |
| CN209703590U (en) * | 2019-01-14 | 2019-11-29 | 李健 | A kind of Accrete clearing device for water head site environmental protection |
| CN110725395A (en) * | 2019-10-25 | 2020-01-24 | 廖丰政 | Municipal administration pipeline dredging device |
| CN111889462B (en) * | 2020-07-23 | 2022-09-06 | 鸿基骏业环保科技有限公司 | Hydraulic engineering pipeline dredging device and using method |
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Effective date of registration: 20230801 Address after: Room 712-5, Building 4, Chuangyue Era Cultural and Creative Park, No. 61 Xianan Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province, 528251 (Residence Application) Patentee after: Guangdong Baoxing Construction Co.,Ltd. Address before: 321017 5th floor, unit 1, 1389 Danxi Road, Jinhua City, Zhejiang Province Patentee before: Yang Juanting |