Dredging device for water supply and drainage pipeline
Through the motor-driven bidirectional screw system and bolt connection, the scraper position can be adjusted to adapt to different pipe diameters, solving the adaptability problem of existing devices when dealing with dense silt, and achieving convenient scraper replacement and highly adaptable dredging effect.
Patent Information
- Application Number
- CN202422875641.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-25
AI Technical Summary
After the existing silt removal device clears the pipeline, the compacted silt on the inner wall is difficult to handle, and the scraper or brush is not convenient to adjust according to different pipeline diameters, which reduces the adaptability of the device.
A dredging device including a connecting tube and a support sleeve is used. The motor drives a bidirectional screw to drive the moving seat and the connecting rod to adjust the scraper position so that the scraper can fit closely to the inner wall of the pipe. The scraper can be easily replaced through bolts and positioning holes.
The scraper position can be flexibly adjusted, which is suitable for different pipe diameters and improves the adaptability of the device. The scraper is easy to disassemble and assemble, and is convenient for replacement when worn or damaged.
Smart Images

Figure CN223398212U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline desilting, in particular to a desilting device for water supply and drainage pipelines. Background Art
[0002] Drainage pipes refer to the rainwater and sewage pipes under municipal roads, commonly known as "sewer pipes" and often referred to as municipal drainage pipes in engineering. Over time, these pipes tend to accumulate silt. During rainy days, this silt can easily affect the pipe's drainage capacity, necessitating the use of desilting devices to remove the silt and ensure smooth drainage.
[0003] In existing technologies, after a dredging device unclogs a pipe, dense silt still clings to the inner wall, making it difficult to remove. This requires scraping or cleaning with a scraper or brush. However, these scrapers and brushes are difficult to adjust to different pipe diameters, resulting in limitations and reducing the adaptability of the device. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that after the silt cleaning device dredges the pipeline, the inner wall thereof still adheres to dense silt which is difficult to handle, and a scraper or a brush is usually required to scrape and clean the inner wall. However, during the cleaning process, the scraper or the brush is not convenient to adjust according to different pipeline diameters, and its use has certain limitations, which reduces the adaptability of the device. A silt cleaning device for water supply and drainage pipelines is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a dredging device for water supply and drainage pipes, comprising: a connecting tube and a support sleeve, the inner bottom of the support sleeve is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a bidirectional screw rod, the outer surface of the bidirectional screw rod is symmetrically threadedly connected to a movable seat, the inner surfaces of both sides of the two movable seats are rotatably connected to connecting rods, and the ends of the multiple connecting rods away from the movable seats are rotatably connected to rotating blocks, and the multiple rotating blocks are divided into two groups, the outer surfaces of the two groups of rotating blocks are fixedly connected to connecting blocks, the bottoms of the two connecting blocks are provided with slots, and the inner surfaces of the two slots are inserted with scrapers.
[0006] Preferably, the outer surface of the support sleeve is symmetrically provided with sliding grooves, and the inner surfaces of the two sliding grooves are matched with the outer surfaces of the two movable seats.
[0007] Preferably, the bottom of the bidirectional screw is rotatably connected to the inner bottom of the support sleeve, and the bottom of the support sleeve is fixedly connected to a drill bit.
[0008] Preferably, bolts are threaded through the outer surfaces of the two connecting blocks, and positioning holes are provided on the outer surfaces of the two scrapers.
[0009] Preferably, the outer surfaces of the two scrapers are matched with the inner surfaces of the two notches, and the two bolts are matched with the two positioning holes.
[0010] Preferably, the inner bottom of the connecting tube is fixedly connected to a second motor, and the output end of the second motor movably penetrates the inner bottom of the connecting tube.
[0011] Preferably, the output end of the second motor is fixedly connected to the top of the support sleeve, and an internal thread is provided on the inner wall of the connecting tube near the top.
[0012] Compared with the prior art, the advantages and positive effects of the present invention are:
[0013] 1. By starting the first motor, the bidirectional screw is driven to rotate inside the support sleeve, which will drive the two moving seats to move relative to or towards each other along the sliding groove. With the cooperation of multiple rotating blocks, the angles of multiple connecting rods can be changed, thereby adjusting the position of the connecting blocks, so that the position of the scraper can be adjusted to fit closely with the inner wall of the pipe. It is easy to adjust and is suitable for pipes of different sizes with high adaptability.
[0014] 2. The scraper can be easily disassembled and assembled through the slots, bolts, connecting blocks and positioning holes, so that it can be quickly replaced when the scraper is worn or damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a three-dimensional diagram of a desilting device for water supply and drainage pipes proposed in the utility model;
[0016] Figure 2 This is a cross-sectional view of a desilting device for water supply and drainage pipes proposed in the utility model;
[0017] Figure 3 This is a partial structural expansion diagram of a desilting device for water supply and drainage pipes proposed in the utility model;
[0018] Figure 4 The utility model provides a schematic diagram of the connecting block structure of a silt removal device for water supply and drainage pipes.
[0019] Legend: 1. Connecting tube; 2. Support sleeve; 3. Connecting block; 4. Scraper; 5. Connecting rod; 6. Drill bit; 7. Notch; 8. Positioning hole; 9. Bolt; 10. Bidirectional screw rod; 11. Rotating block; 12. First motor; 13. Moving seat; 14. Sliding groove; 15. Second motor. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] like Figure 1-Figure 4 As shown, the utility model provides a desilting device for water supply and drainage pipes, including a connecting tube 1 and a support sleeve 2. The inner bottom of the support sleeve 2 is fixedly connected to a first motor 12. The output end of the first motor 12 is fixedly connected to a bidirectional screw rod 10. The outer surface of the bidirectional screw rod 10 is symmetrically threaded with a moving seat 13. The inner surfaces of both sides of the two moving seats 13 are rotatably connected to connecting rods 5. The ends of the multiple connecting rods 5 away from the moving seats 13 are rotatably connected to rotating blocks 11. The multiple rotating blocks 11 are divided into two groups. The outer surfaces of the two groups of rotating blocks 11 are fixedly connected to connecting blocks 3. The bottoms of the two connecting blocks 3 are open. A notch 7 is provided, and a scraper 4 is inserted into the inner surfaces of the two notches 7. A sliding groove 14 is symmetrically provided on the outer surface of the support sleeve 2. The inner surfaces of the two sliding grooves 14 are matched with the outer surfaces of the two movable seats 13. The bottom of the bidirectional screw rod 10 is rotatably connected to the inner bottom of the support sleeve 2. The bottom of the support sleeve 2 is fixedly connected to the drill bit 6. The inner bottom of the connecting tube 1 is fixedly connected to the second motor 15. The output end of the second motor 15 is movably penetrated by the inner bottom of the connecting tube 1. The output end of the second motor 15 is fixedly connected to the top of the support sleeve 2. An internal thread is provided on the inner wall of the connecting tube 1 near the top.
[0023] When it is necessary to scrape and clean the silt on the inner wall of the pipe, after picking up the connecting tube 1 and inserting the support sleeve 2 into the pipe, the first motor 12 is started to drive the bidirectional screw rod 10 to rotate inside the support sleeve 2, so that under the rotation of the bidirectional screw rod 10, the two moving seats 13 are driven to move relative or toward each other along the sliding groove 14, and with the cooperation of multiple rotating blocks 11, the angles of multiple connecting rods 5 can be changed, thereby adjusting the position of the connecting blocks 3, so that the position of the scraper 4 is adjusted to fit closely with the inner wall of the pipe, thereby using pipes of different sizes, with high adaptability. When the position adjustment of the scraper 4 is completed, the second motor 15 is started to rotate, which can drive the support sleeve 2 to rotate, so that the scraper 4 will rotate along the inner wall of the pipe to scrape off the adhered silt. At the same time, the drill bit 6 can rotate to dredge the pipe, and when the depth inside the pipe is too deep, it can also be quickly connected to the external extension rod through the internal thread inside the connecting tube 1 for lengthening.
[0024] Bolts 9 are threaded through the outer surfaces of the two connecting blocks 3, and positioning holes 8 are provided on the outer surfaces of the two scrapers 4. The outer surfaces of the two scrapers 4 are matched with the inner surfaces of the two notches 7, and the two bolts 9 are matched with the two positioning holes 8.
[0025] When the scraper 4 is damaged and needs to be replaced, the bolt 9 is turned to separate the bolt 9 from the positioning hole 8, and the scraper 4 can be pulled out along the slot 7. Then, the replaced scraper 4 is inserted into the connecting block 3 along the slot 7, the bolt 9 is aligned with the positioning hole 8, and then the bolt 9 is turned to move the bolt 9 downward and insert it into the positioning hole 8 to complete the installation, making the scraper 4 easy to disassemble and assemble, so that it can be quickly replaced when the scraper 4 is worn or damaged.
[0026] Working principle: When it is necessary to scrape and clean the silt on the inner wall of the pipe, pick up the connecting tube 1, insert the support sleeve 2 into the inside of the pipe, and start the first motor 12 to drive the bidirectional screw rod 10 to rotate inside the support sleeve 2. As a result, the rotation of the bidirectional screw rod 10 will drive the two moving seats 13 to move relative to or towards each other, and with the cooperation of multiple rotating blocks 11, the angles of multiple connecting rods 5 can be changed, thereby adjusting the position of the connecting block 3, so that the position of the scraper 4 can be adjusted to fit closely with the inner wall of the pipe, thereby being suitable for pipes of different sizes, with high adaptability. When scraping After the position adjustment of the blade 4 is completed, by starting the second motor 15 to rotate, the support sleeve 2 can be driven to rotate, so the scraper 4 will rotate along the inner wall of the pipe to scrape off the adhered silt, and when the scraper 4 is damaged and needs to be replaced, the bolt 9 is turned to separate the bolt 9 from the positioning hole 8, and the scraper 4 can be pulled out along the slot 7. Then, the replaced scraper 4 is inserted into the connecting block 3 along the slot 7, the bolt 9 is aligned with the positioning hole 8, and then the bolt 9 is turned to move the bolt 9 downward and insert it into the positioning hole 8 to complete the installation, making the scraper 4 easy to disassemble and assemble.
[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A desilting device for water supply and drainage pipes, characterized by: The invention comprises a connecting tube (1) and a supporting sleeve (2), wherein the inner bottom of the supporting sleeve (2) is fixedly connected to a first motor (12), the output end of the first motor (12) is fixedly connected to a bidirectional screw rod (10), the outer surface of the bidirectional screw rod (10) is symmetrically threadedly connected to a movable seat (13), the inner surfaces of both sides of the two movable seats (13) are rotatably connected to connecting rods (5), the ends of the multiple connecting rods (5) away from the movable seat (13) are rotatably connected to rotating blocks (11), the multiple rotating blocks (11) are divided into two groups, the outer surfaces of the two groups of rotating blocks (11) are fixedly connected to the connecting blocks (3), the bottoms of the two connecting blocks (3) are provided with notches (7), and the inner surfaces of the two notches (7) are provided with scrapers (4).
2. The desilting device for water supply and drainage pipes according to claim 1, characterized in that: The outer surface of the support sleeve (2) is symmetrically provided with sliding grooves (14), and the inner surfaces of the two sliding grooves (14) are matched with the outer surfaces of the two movable seats (13).
3. The desilting device for water supply and drainage pipes according to claim 2, characterized in that: The bottom of the bidirectional screw rod (10) is rotatably connected to the inner bottom of the support sleeve (2), and the bottom of the support sleeve (2) is fixedly connected to a drill bit (6).
4. The desilting device for water supply and drainage pipes according to claim 3, characterized in that: Bolts (9) are threadedly passed through the outer surfaces of the two connecting blocks (3), and positioning holes (8) are provided on the outer surfaces of the two scrapers (4).
5. The desilting device for water supply and drainage pipes according to claim 4, characterized in that: The outer surfaces of the two scrapers (4) are matched with the inner surfaces of the two notches (7), and the two bolts (9) are matched with the two positioning holes (8).
6. The desilting device for water supply and drainage pipes according to claim 5, characterized in that: The inner bottom of the connecting tube (1) is fixedly connected to a second motor (15), and the output end of the second motor (15) movably penetrates the inner bottom of the connecting tube (1).
7. The desilting device for water supply and drainage pipes according to claim 6, characterized in that: The output end of the second motor (15) is fixedly connected to the top of the support sleeve (2), and an internal thread is provided on the inner wall of the connecting tube (1) near the top.