CN112922117A - Urban and rural planning municipal water supply and drainage pipeline structure - Google Patents
Urban and rural planning municipal water supply and drainage pipeline structure Download PDFInfo
- Publication number
- CN112922117A CN112922117A CN202110332714.2A CN202110332714A CN112922117A CN 112922117 A CN112922117 A CN 112922117A CN 202110332714 A CN202110332714 A CN 202110332714A CN 112922117 A CN112922117 A CN 112922117A
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- pipeline
- ring
- gear
- obstacle
- obstacle clearing
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
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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
- E03F9/002—Cleaning sewer pipes by mechanical means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention provides a municipal water supply and drainage pipeline structure for urban and rural planning, which comprises a first pipeline, a barrier clearing pipeline and a second pipeline which are sequentially communicated; each group of obstacle clearing devices comprises an inner gear and a fixed rod; one end of the fixed rod is fixedly connected with the inside of the obstacle clearing pipeline, the other end of the fixed rod is rotatably provided with a rotating shaft, and one end of the rotating shaft is fixedly provided with an obstacle clearing wheel; a rotating rod is fixedly arranged in the middle of the inner gear, and the end part of the rotating rod is rotatably connected with one end of the fixing rod; the rotating rod is in transmission connection with the rotating shaft through a synchronous belt structure; one end of the obstacle clearing pipeline is fixedly provided with a toothed ring, and teeth are arranged in the ring of the toothed ring and outside the ring; the inner gear is arranged in the ring of the gear ring and meshed with the ring; the outer wall of the second pipeline is provided with an outer gear in a supporting mode through a driving device, and the outer gear is meshed with the outer ring of the gear ring; the annular groove is axially formed in the gear ring, and an annular plate clamped with the groove is fixedly arranged at the end of the first pipeline. The device synchronously drives the plurality of obstacle clearing wheels to rotate, and can effectively avoid the blockage of the pipeline by sundries.
Description
Technical Field
The invention relates to the technical field of water supply and drainage, in particular to a municipal water supply and drainage pipeline structure for urban and rural planning.
Background
In the process of urbanization development, municipal construction is also increasingly towards high quality. The municipal water supply and drainage pipeline is arranged in the whole municipal engineering to occupy an important position, and is a key project for ensuring urban development and construction and stable life of residents. With the increasing urban population, the requirements for municipal water supply and drainage are higher and higher.
However, municipal drainage pipelines are often clogged, resulting in clogged contaminants such as silted sludge and plastic bags floating in the drainage ditches. The sludge deposited at the bottom of the ditch can be pumped out and removed by using a dredging pump, and if more plastic bag pollutants exist in the sludge pumped out by using the dredging pump, the blockage of a water supply and drainage pipeline is likely to be caused. Therefore, a water supply and drainage pipeline structure capable of dredging and obstacle clearing is urgently needed, and therefore the invention provides a municipal water supply and drainage pipeline structure for urban and rural planning.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a municipal water supply and drainage pipeline structure for urban and rural planning. The device synchronously drives the plurality of obstacle clearing wheels to rotate, and can effectively avoid the blockage of the pipeline by sundries.
In order to achieve the above purpose, the present invention provides the following technical solutions.
A municipal water supply and drainage pipeline structure for urban and rural planning comprises a first pipeline, a barrier removal pipeline and a second pipeline which are sequentially communicated;
a plurality of groups of obstacle clearing devices are uniformly arranged in the obstacle clearing pipeline along the circumferential direction, and each group of obstacle clearing devices comprises an inner gear and a fixed rod; one end of the fixed rod is fixedly connected with the inner wall of the obstacle clearing pipeline, the other end of the fixed rod is provided with a rotating shaft in a rotating mode along the axial direction of the obstacle clearing pipeline, and one end of the rotating shaft is fixedly provided with an obstacle clearing wheel; a rotating rod is fixedly arranged in the middle of the inner gear, and the end part of the rotating rod is rotatably connected with one end of the fixing rod; the other ends of the rotating rod and the rotating shaft are both fixedly provided with synchronous belt wheels, and the two synchronous belt wheels are connected through a synchronous belt in a transmission way;
a first annular plate is fixedly arranged at one end of the obstacle clearing pipeline, and a toothed ring is rotatably arranged on the first annular plate; a second annular plate is fixedly arranged at the end part of the first pipeline, two end faces of the toothed ring are respectively provided with an annular groove, and the toothed ring is clamped with the first annular plate and the second annular plate through the grooves respectively; the inner wall and the outer wall of the gear ring are both provided with annular teeth; the inner gear is meshed with the inner ring of the gear ring; the outer wall of the second pipeline is provided with an outer gear in a erecting mode through a driving device, and the outer gear is meshed with the outer ring of the gear ring.
Preferably, the first pipeline and the second pipeline are fixed through a plurality of pre-tightening devices; the plurality of pre-tightening devices are uniformly arranged on the outer wall of the first pipeline; each group of pre-tightening devices comprises a screw and two first nuts; the outer walls of the first pipeline and the second pipeline are both fixedly provided with connecting plates, and the screw sequentially penetrates through the two connecting plates and is in sliding fit with the two connecting plates; and two ends of the screw rod are respectively in threaded fit with the two first nuts.
Preferably, the driving means includes a motor and a rotating shaft; the outer wall of the second pipeline is fixedly provided with a motor plate, the motor is fixedly arranged on one side of the motor plate, an output shaft of the motor penetrates through the motor plate and is in transmission connection with the rotating shaft, and the end part of the rotating shaft is fixedly connected with the middle part of the outer gear.
Preferably, the synchronous pulley and the synchronous belt are covered with a protective cover.
Preferably, the obstacle clearing pipeline and the second pipeline are fixed through a plurality of fixing pieces, and the plurality of fixing pieces are arranged around the other end of the obstacle clearing pipeline; each fixing piece comprises a fixing plate and a stud bolt; the other end of the obstacle clearing pipeline is inserted into one end of the second pipeline, and a sealing ring is arranged between the obstacle clearing pipeline and the second pipeline; the fixing plate is fixedly connected with the other end of the obstacle removing pipeline, and one end of the stud bolt penetrates through the fixing plate and is in threaded connection with the pipe wall of the second pipeline; the stud bolt is in threaded fit with the fixing plate, and the other end of the stud bolt is matched with a second nut.
Preferably, the wheel edge of each of the obstacle removing wheels is an edged metal blade.
The invention has the beneficial effects that:
the invention provides a municipal water supply and drainage pipeline structure for urban and rural planning, which is characterized in that a barrier removing pipeline is arranged at the joint of a pipeline and a pipeline, so that sludge sundries in the pipeline can be effectively prevented from being blocked, and the normal operation of municipal water supply and drainage is ensured; the device passes through the transmission mode of gear combination, and synchronous drive clears away the barrier, avoids electrical component direct contact water source simultaneously, can stably clear away the barrier operation, adopts multiunit clearance wheel combination to clear away the barrier, and the face of clearing away the barrier is comparatively comprehensive, and the effect of clearing away the barrier is better.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is an overall structure diagram of urban and rural planning municipal water supply and drainage pipeline structure according to an embodiment of the invention;
FIG. 2 is a block clearing pipeline structure diagram of urban and rural planning municipal water supply and drainage pipeline structure according to an embodiment of the invention;
FIG. 3 is a partial structural view of urban and rural planning municipal water supply and drainage pipeline structure according to an embodiment of the invention.
In the figure: 1. a first conduit; 2. a connecting plate; 3. a first nut; 4. a screw; 5. an internal gear; 6. rotating the rod; 7. a synchronous belt; 8. fixing the rod; 9. a rotating shaft; 10. removing obstacles by wheels; 11. a second conduit; 12. a toothed ring; 13. a motor plate; 14. a rotating shaft; 15. an outer gear; 16. clearing the obstacle of the pipeline; 17. a fixing plate; 18. a second nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
A municipal water supply and drainage pipeline structure for urban and rural planning is shown in figures 1-3 and comprises a first pipeline 1, a barrier removal pipeline 16 and a second pipeline 11 which are communicated in sequence; further, as shown in fig. 1, the first pipeline 1 and the second pipeline 11 are fixed by a plurality of pre-tightening devices; the plurality of pre-tightening devices are uniformly arranged on the outer wall of the first pipeline 1; each group of pre-tightening devices comprises a screw rod 4 and two first nuts 3; the outer walls of the first pipeline 1 and the second pipeline 11 are both fixedly provided with connecting plates 2, and the screw rods 4 sequentially penetrate through the two connecting plates 2 and are in sliding fit with the two connecting plates 2; two ends of the screw rod 4 are respectively in threaded fit with the two first nuts 3; each pre-tightening device is fixed through first nuts 3 at two ends of a screw 4;
a plurality of groups of obstacle clearing devices are uniformly arranged in the obstacle clearing pipeline 16 along the circumferential direction, and each group of obstacle clearing devices comprises an internal gear 5 and a fixed rod 8, as shown in fig. 2 and 3; one end of the fixed rod 8 is fixedly connected with the inside of the obstacle clearing pipeline 16, the other end of the fixed rod is provided with a rotating shaft 9 in a rotating mode along the axial direction of the obstacle clearing pipeline 16, and one end of the rotating shaft 9 is fixedly provided with an obstacle clearing wheel 10; a rotating rod 6 is fixedly arranged in the middle of the internal gear 5, and the end part of the rotating rod 6 is rotatably connected with one end of a fixing rod 8; the other ends of the rotating rod 6 and the rotating shaft 9 are both fixedly provided with synchronous belt wheels, and the two synchronous belt wheels are in transmission connection through a synchronous belt 7; when the internal gear 5 is driven to rotate, the obstacle clearing wheels 10 are driven to rotate through a group of synchronous belt structures, preferably, the wheel edge of each obstacle clearing wheel 10 is a metal blade with an edge, so that the obstacle clearing function is realized;
a first annular plate is fixedly arranged at one end of the obstacle clearing pipeline 16, a toothed ring 12 is rotatably arranged on the first annular plate, and teeth are arranged inside and outside the ring of the toothed ring 12, as shown in fig. 2; the internal gear 5 is engaged with the inner ring of the gear ring 12; the outer wall of the second pipeline 11 is provided with an external gear 15 through a driving device, and the external gear 15 is meshed with the outer ring of the gear ring 12; specifically, the driving means includes a motor and a rotating shaft 14; the outer wall of the second pipeline 11 is fixedly provided with a motor plate 13, the motor is fixedly arranged on one side of the motor plate 13, an output shaft of the motor penetrates through the motor plate 13 and is in transmission connection with a rotating shaft 14, and the end part of the rotating shaft 14 is fixedly connected with the middle part of the outer gear 15. The external gear 15 is driven to rotate by the driving device, the gear ring 12 is driven to rotate, the internal gear 5 is driven to rotate when the gear ring 12 rotates, and finally transmission is achieved.
Annular recess has been seted up along the axial to ring gear 12, and the end fixing of first pipeline 1 is provided with the annular plate, and the annular plate is connected with the recess joint, and ring gear 12 is not influenced when rotating.
Preferably, the synchronous belt wheel and the synchronous belt 7 are covered with protective covers to protect sundries and sludge after being crushed and separated from being blocked.
Further, the obstacle clearance duct 16 and the second duct 11 are fixed by a plurality of fixing pieces, and the plurality of fixing pieces are arranged around the other end of the obstacle clearance duct 16; each fixing member includes a fixing plate 17 and a stud bolt; the other end of the obstacle clearing pipeline 16 is inserted into one end of the second pipeline 11, and a sealing ring is arranged between the obstacle clearing pipeline 16 and the second pipeline 11; the fixing plate 17 is fixedly connected with the other end of the obstacle removing pipeline 16, and one end of the stud bolt penetrates through the fixing plate 17 and is in threaded connection with the pipe wall of the second pipeline 11; the stud bolt is screw-fitted to the fixing plate 17, and the other end thereof is fitted with a second nut 18. The fixing is carried out through a bolt and nut structure, and a sealing ring is added, so that a large amount of water leakage is avoided.
In the present embodiment, the first and second electrodes are,
the first pipeline 1, the obstacle clearing pipeline 16 and the second pipeline 11 are connected in sequence: a sealing ring is fixedly sleeved on the periphery of the obstacle clearing pipeline 16 and is sleeved with the inner ring of the second pipeline 11; fixedly connecting the obstacle clearing duct 16 with the second duct 11 by means of a stud and a second nut 18; a second annular plate at one end of the first pipeline 1 is clamped with an annular groove at one end of the toothed ring 12, and then the first pipeline 1 and the second pipeline 11 are fixed and limited through a plurality of screws 4 and first nuts 3;
the driving motor rotates to drive the external gear 15 to rotate, and then the gear ring 12 is driven to rotate; the gear ring 12 drives the internal gear 5 to rotate and drives the rotating shaft 9 to rotate through a synchronous belt structure, so that the obstacle clearing wheel 10 rotates, and the obstacle clearing treatment on flowing water supply and drainage is realized;
the device can effectively avoid blockage of sludge sundries in the pipeline and ensure normal municipal water supply and drainage by arranging the obstacle clearing pipeline at the joint of the pipeline and the pipeline; the device passes through the transmission mode of gear combination, and synchronous drive clears away the barrier, avoids electrical component direct contact water source simultaneously, can stably clear away the barrier operation, adopts multiunit clearance wheel combination to clear away the barrier, and the face of clearing away the barrier is comparatively comprehensive, and the effect of clearing away the barrier is better.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A municipal water supply and drainage pipeline structure for urban and rural planning is characterized by comprising a first pipeline (1), a barrier removal pipeline (16) and a second pipeline (11) which are sequentially communicated;
a plurality of groups of obstacle clearing devices are uniformly arranged in the obstacle clearing pipeline (16) along the circumferential direction, and each group of obstacle clearing devices comprises an inner gear (5) and a fixed rod (8); one end of the fixed rod (8) is fixedly connected with the inner wall of the obstacle clearing pipeline (16), the other end of the fixed rod is provided with a rotating shaft (9) in a rotating mode along the axial direction of the obstacle clearing pipeline (16), and one end of the rotating shaft (9) is fixedly provided with an obstacle clearing wheel (10); a rotating rod (6) is fixedly arranged in the middle of the inner gear (5), and the end part of the rotating rod (6) is rotatably connected with one end of the fixing rod (8); synchronous belt wheels are fixedly arranged at the other ends of the rotating rod (6) and the rotating shaft (9), and the two synchronous belt wheels are in transmission connection through a synchronous belt (7);
one end of the obstacle clearing pipeline (16) is fixedly provided with a first annular plate, and a toothed ring (12) is rotatably arranged on the first annular plate; a second annular plate is fixedly arranged at the end part of the first pipeline (1), annular grooves are formed in two end faces of the toothed ring (12), and the toothed ring is clamped with the first annular plate and the second annular plate through the grooves respectively; the inner wall and the outer wall of the gear ring (12) are both provided with annular teeth; the internal gear (5) is meshed with an inner ring of the gear ring (12); the outer wall of the second pipeline (11) is provided with an outer gear (15) in a supporting mode through a driving device, and the outer gear (15) is meshed with the outer ring of the gear ring (12).
2. The urban and rural planning municipal water supply and drainage pipeline structure according to claim 1, wherein the first pipeline (1) and the second pipeline (11) are fixed by a plurality of pre-tightening devices; the plurality of pre-tightening devices are uniformly arranged on the outer wall of the first pipeline (1); each group of pre-tightening devices comprises a screw (4) and two first nuts (3); the outer walls of the first pipeline (1) and the second pipeline (11) are both fixedly provided with connecting plates (2), and the screw (4) sequentially penetrates through the two connecting plates (2) and is in sliding fit with the two connecting plates (2); and two ends of the screw rod (4) are respectively in threaded fit with the two first nuts (3).
3. Urban and rural planning municipal water supply and drainage pipeline structure according to claim 1, characterized in that the drive means comprise an electric motor and a rotating shaft (14); the outer wall of the second pipeline (11) is fixedly provided with a motor plate (13), the motor is fixedly arranged on one side of the motor plate (13), an output shaft of the motor penetrates through the motor plate (13) and is in transmission connection with the rotating shaft (14), and the end part of the rotating shaft (14) is fixedly connected with the middle part of the outer gear (15).
4. The urban and rural planning municipal water supply and drainage pipeline structure according to claim 1, wherein a protective cover is covered on the synchronous pulley and the synchronous belt (7).
5. The urban and rural planning municipal water supply and drainage pipeline structure according to claim 1, wherein the obstacle clearance pipeline (16) and the second pipeline (11) are fixed by a plurality of fixing members, the plurality of fixing members being provided around the other end of the obstacle clearance pipeline (16); each fixing piece comprises a fixing plate (17) and a stud bolt; the other end of the obstacle removing pipeline (16) is inserted into one end of the second pipeline (11), and a sealing ring is arranged between the obstacle removing pipeline (16) and the second pipeline (11); the fixing plate (17) is fixedly connected with the other end of the obstacle removing pipeline (16), and one end of the stud bolt penetrates through the fixing plate (17) and is in threaded connection with the pipe wall of the second pipeline (11); the stud is in threaded fit with the fixing plate (17), and the other end of the stud is matched with a second nut (18).
6. Urban and rural planning municipal water supply and drainage pipeline structure according to claim 1, characterized in that the wheel edge of each said obstacle clearing wheel (10) is a metal blade with an edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332714.2A CN112922117B (en) | 2021-03-29 | 2021-03-29 | Urban and rural planning municipal water supply and drainage pipeline structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332714.2A CN112922117B (en) | 2021-03-29 | 2021-03-29 | Urban and rural planning municipal water supply and drainage pipeline structure |
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| Publication Number | Publication Date |
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| CN112922117A true CN112922117A (en) | 2021-06-08 |
| CN112922117B CN112922117B (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110332714.2A Active CN112922117B (en) | 2021-03-29 | 2021-03-29 | Urban and rural planning municipal water supply and drainage pipeline structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521601A (en) * | 2021-07-05 | 2021-10-22 | 南京盛航海运股份有限公司 | Water supply system for ship fire fighting |
| CN114635495A (en) * | 2022-03-29 | 2022-06-17 | 严斌 | Municipal drainage pipeline pull throughs |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204059498U (en) * | 2014-07-30 | 2014-12-31 | 内蒙古蒙水水资源股份有限公司 | A kind of anti-blocking soil pipe |
| CN106759836A (en) * | 2017-01-21 | 2017-05-31 | 浙江绣山园林建设有限公司 | A kind of municipal pipeline Accrete clearing device |
| CN109208736A (en) * | 2018-10-30 | 2019-01-15 | 贵州兴贵环保工程有限公司 | Sanitary sewer anti-block apparatus |
| CN111687146A (en) * | 2020-06-07 | 2020-09-22 | 胡令江 | Automatic scarfing cinder device of pipeline for hydraulic engineering |
| WO2021022528A1 (en) * | 2019-08-07 | 2021-02-11 | 唐山哈船科技有限公司 | Device for unblocking drainage pipeline blocked due to urban waterlogging |
-
2021
- 2021-03-29 CN CN202110332714.2A patent/CN112922117B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204059498U (en) * | 2014-07-30 | 2014-12-31 | 内蒙古蒙水水资源股份有限公司 | A kind of anti-blocking soil pipe |
| CN106759836A (en) * | 2017-01-21 | 2017-05-31 | 浙江绣山园林建设有限公司 | A kind of municipal pipeline Accrete clearing device |
| CN109208736A (en) * | 2018-10-30 | 2019-01-15 | 贵州兴贵环保工程有限公司 | Sanitary sewer anti-block apparatus |
| WO2021022528A1 (en) * | 2019-08-07 | 2021-02-11 | 唐山哈船科技有限公司 | Device for unblocking drainage pipeline blocked due to urban waterlogging |
| CN111687146A (en) * | 2020-06-07 | 2020-09-22 | 胡令江 | Automatic scarfing cinder device of pipeline for hydraulic engineering |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521601A (en) * | 2021-07-05 | 2021-10-22 | 南京盛航海运股份有限公司 | Water supply system for ship fire fighting |
| CN113521601B (en) * | 2021-07-05 | 2022-03-25 | 南京盛航海运股份有限公司 | Water supply system for ship fire fighting |
| CN114635495A (en) * | 2022-03-29 | 2022-06-17 | 严斌 | Municipal drainage pipeline pull throughs |
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| Publication number | Publication date |
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| CN112922117B (en) | 2022-07-29 |
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