Anti-blocking dredging device for municipal engineering
By designing a rotary shaft drives the crushing knife to crush large debris blocked by the municipal engineering silt equipment, the problem of debris blocking in the existing equipment is solved, resulting in reduced dredging capacity and efficiency, and a more efficient dredging effect is achieved.
Patent Information
- Application Number
- CN202421238230.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-31
AI Technical Summary
When existing municipal engineering silting equipment is in use, large debris may block the baffle, resulting in reduced silting capacity and working efficiency.
A municipal engineering anti-blocking and dredging device was designed, and a rotating shaft was used to drive the crushing knife to insert it into the square groove on the baffle. The crushing knife crushes large debris to avoid debris and block the baffle and improves the dredging capacity and working efficiency.
The large debris is crushed by a crushing knife to avoid debris blocking, which significantly improves the dredging capacity and working efficiency of the dredging device.
Smart Images
Figure CN222614513U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-blocking and silting removal, in particular to an anti-blocking and silting removal device for municipal engineering. Background Art
[0002] There are often sewers and manholes on municipal roads. Rainwater washes dust from the road into the sewers and manholes, where it accumulates over a long period of time to form silt. If the amount of silt is large, it will easily affect the flow rate of water during drainage, so the silt needs to be cleaned regularly.
[0003] Most of the existing dredging equipment uses a centrifugal pump to extract the silt in the sewer to achieve dredging of the sewer, thereby preventing the sewer from being blocked. However, in order to prevent large debris from entering the centrifugal pump and causing damage to the centrifugal pump during use, most of the existing dredging equipment uses a baffle plate on the extraction pipe to block the large debris. However, during use, the large debris may block the baffle plate, thereby reducing the dredging ability of the device and reducing the working efficiency of the device. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a municipal engineering anti-blocking and silting device, which has the advantages of improving the silting capacity of the device and increasing the working efficiency of the device, and solves the problems raised in the above-mentioned background technology.
[0005] The utility model provides the following technical solutions: a municipal engineering anti-blocking and silting device, comprising an extraction pipe, a connecting chamber is fixedly installed on the bottom surface of the extraction pipe, a baffle is fixedly installed on the bottom surface of the connecting chamber, the inner cavity of the connecting chamber is movably connected with a rotating shaft, a crushing knife is fixedly installed on the bottom end of the rotating shaft, the left and right side surfaces of the connecting chamber are movably connected with positioning blocks, a motor is fixedly installed on the right side surface of the positioning block, and a cylinder is fixedly installed on the top surface of the connecting chamber.
[0006] Preferably, two fixing plates are fixedly installed on the front side of the inner cavity of the extraction tube, a sliding rod is fixedly installed in the middle of the two fixing plates, and a movable plate is movably connected to the surface of the sliding rod.
[0007] Preferably, both left and right sides of the connecting chamber are provided with clearance grooves, the rotating shaft is movably connected in the clearance grooves, and both left and right ends of the rotating shaft penetrate and extend to the outside of the clearance grooves.
[0008] Preferably, a slide bar is fixedly mounted on one side of the positioning block close to the center of the connecting chamber, and slide grooves are provided on both the front and rear sides of the connecting chamber, and the slide bar is movably connected in the slide grooves.
[0009] Preferably, sixteen square grooves are opened on the surface of the baffle plate, and there are sixteen crushing knives in total, and the sixteen crushing knives are respectively located above the sixteen square grooves opened on the surface of the baffle plate.
[0010] Preferably, the pulverizing knife is located in the inner cavity of the connecting chamber, and the distance between the pulverizing knife and the top surface of the inner cavity of the connecting chamber is two centimeters greater than the height of the pulverizing knife.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The utility model drives the positioning block downward through the cylinder, so that the positioning block drives the crushing knife downward through the rotating shaft to be inserted into the square groove provided on the baffle plate. At this time, the motor drives the rotating shaft to rotate, and the rotating shaft drives the crushing knife to rotate, so that the crushing knife crushes the large debris blocking the square groove of the baffle plate, thereby avoiding the large debris from blocking the square groove on the baffle plate, improving the dredging ability of the device and increasing the working efficiency of the device.
[0013] 2. The utility model movably connects the movable plate to the surface of the slide rod, and the movable plate can slide up and down on the surface of the slide rod. When the baffle is blocked, the flow rate of the sludge in the extraction pipe will decrease. At this time, the movable plate will drop as the flow rate of the sludge decreases. The top of the extraction pipe is made of transparent plastic material, and the position of the movable plate can be intuitively observed to judge the opening and closing of the cylinder, making the use of the device more visual and increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a cross-sectional schematic diagram of the structural connection chamber of the utility model;
[0016] Figure 3 This is a cross-sectional schematic diagram of the extraction tube structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the explosion connection of the rotating shaft of the utility model structure.
[0018] In the figure: 1. extraction tube; 2. connecting chamber; 3. baffle; 4. rotating shaft; 5. crushing knife; 6. positioning block; 7. motor; 8. cylinder; 9. clearance groove; 10. slide bar; 11. slide groove; 12. fixed plate; 13. slide rod; 14. movable plate. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4A municipal engineering anti-blocking and silting device comprises an extraction pipe 1, the top end of the extraction pipe 1 is connected to a centrifugal pump, the bottom end of the extraction pipe 1 is inserted into a sewer pipe, the centrifugal pump works, and the extraction pipe 1 and the connection chamber 2 are pumped into a negative pressure, so as to extract the sludge, two fixed plates 12 are fixedly installed on the front side of the inner cavity of the extraction pipe 1, a slide bar 13 is fixedly installed in the middle of the two fixed plates 12, and a moving plate 14 is movably connected to the surface of the slide bar 13, and the moving plate 14 can slide up and down on the surface of the slide bar 13 by movably connecting the moving plate 14 on the surface of the slide bar 13. When the baffle 3 is blocked, the flow rate of the sludge in the extraction pipe 1 will decrease, and the moving plate 14 will drop as the flow rate of the sludge decreases. The top of the extraction pipe 1 is transparent The plastic material can visually observe the position of the movable plate 14 to judge the opening and closing of the cylinder 8, making the use of the device more visual. The bottom surface of the extraction tube 1 is fixedly installed with a connecting chamber 2. The left and right sides of the connecting chamber 2 are provided with a clearance groove 9. The rotating shaft 4 is movably connected in the clearance groove 9. The left and right ends of the rotating shaft 4 penetrate and extend to the outside of the clearance groove 9. The clearance groove 9 provides a movable space for the lifting and lowering of the rotating shaft 4 to avoid the interference of the rotating shaft 4 with the connecting chamber 2 when moving. The bottom surface of the connecting chamber 2 is fixedly installed with a baffle 3. The surface of the baffle 3 is provided with sixteen square grooves. There are sixteen crushing knives 5 in total. The sixteen crushing knives 5 are respectively located above the square grooves opened on the surface of the sixteen baffles 3. The motor 7 drives the rotating shaft 4 to rotate. The rotating shaft 4 rotates, and the rotating shaft 4 drives the crushing knife 5 to rotate, so that the crushing knife 5 crushes the large debris blocking the square groove of the baffle plate 3, thereby preventing the large debris from blocking the square groove on the baffle plate 3, improving the dredging ability of the device, and increasing the working efficiency of the device. The inner cavity of the connecting chamber 2 is movably connected with the rotating shaft 4, and the crushing knife 5 is fixedly installed at the bottom end of the rotating shaft 4. The crushing knife 5 is located in the inner cavity of the connecting chamber 2. The distance between the crushing knife 5 and the top surface of the inner cavity of the connecting chamber 2 is two centimeters greater than the height of the crushing knife 5, so as to avoid the interference of the crushing knife 5 with the top surface of the inner cavity of the connecting chamber 2 during rotation, and ensure the normal rotation of the crushing knife 5. The left and right sides of the connecting chamber 2 are movably connected with positioning blocks 6, and the positioning blocks 6 are close to the connecting chamber 2. A slide bar 10 is fixedly installed on one side of the center, and slide grooves 11 are provided on the front and rear sides of the connecting chamber 2. The slide bar 10 is movably connected in the slide groove 11. The slide bar 10 positions and guides the movement of the positioning block 6 to prevent the positioning block 6 from being offset and skewed during movement, thereby increasing the stability of the device operation. A motor 7 is fixedly installed on the right side of the positioning block 6, and a cylinder 8 is fixedly installed on the top surface of the connecting chamber 2. The positioning block 6 is driven downward by the cylinder 8, so that the positioning block 6 drives the crushing knife 5 to move downward through the rotating shaft 4 and is inserted into the square groove provided on the baffle 3. When large debris is crushed, the cylinder 8 drives the positioning block 6 to move upward, so that the crushing knife 5 is retracted into the connecting chamber 2 to avoid blocking the square groove on the baffle 3.
[0021] Working principle: When in use, the top of the extraction pipe 1 is connected to the centrifugal pump, and the bottom end of the extraction pipe 1 is inserted into the sewer pipe. The centrifugal pump works to draw negative pressure into the extraction pipe 1 and the connecting chamber 2, thereby extracting the sludge. The movable plate 14 is movably connected to the surface of the slide bar 13, and the movable plate 14 can slide up and down on the surface of the slide bar 13. When the baffle 3 is blocked, the flow rate of the sludge in the extraction pipe 1 will decrease. At this time, the movable plate 14 will drop as the flow rate of the sludge decreases. The top of the extraction pipe 1 is made of transparent plastic material, and the position of the movable plate 14 can be visually observed to judge the opening and closing of the cylinder 8, making the use of the device more visual. , increasing the practicality of the device, the cylinder 8 drives the positioning block 6 to move downward, so that the positioning block 6 drives the crushing knife 5 to move downward through the rotating shaft 4 and is inserted into the square groove provided on the baffle 3. At this time, the motor 7 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the crushing knife 5 to rotate, so that the crushing knife 5 crushes the large debris blocking the square groove of the baffle 3, thereby avoiding the large debris from blocking the square groove on the baffle 3, improving the silting ability of the device, and increasing the working efficiency of the device. After the large debris is crushed, the cylinder 8 drives the positioning block 6 to move upward, so that the crushing knife 5 is retracted into the connecting chamber 2, avoiding the square groove on the baffle 3 from being blocked.
[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. At the same time, in the drawings of the present utility model, the fill pattern is only for distinguishing the layers, without any other limitation.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A municipal engineering anti-blocking and silting device, comprising an extraction pipe (1), characterized in that: A connecting chamber (2) is fixedly mounted on the bottom surface of the extraction tube (1), a baffle (3) is fixedly mounted on the bottom surface of the connecting chamber (2), a rotating shaft (4) is movably connected to the inner cavity of the connecting chamber (2), a crushing knife (5) is fixedly mounted on the bottom end of the rotating shaft (4), positioning blocks (6) are movably connected to the left and right side surfaces of the connecting chamber (2), a motor (7) is fixedly mounted on the right side surface of the positioning block (6), and a cylinder (8) is fixedly mounted on the top surface of the connecting chamber (2).
2. A municipal engineering anti-blocking and silting device according to claim 1, characterized in that: Two fixed plates (12) are fixedly installed on the front side of the inner cavity of the extraction tube (1), a sliding rod (13) is fixedly installed in the middle of the two fixed plates (12), and a movable plate (14) is movably connected to the surface of the sliding rod (13).
3. A municipal engineering anti-blocking and silting device according to claim 1, characterized in that: The left and right sides of the connection chamber (2) are both provided with clearance grooves (9), the rotating shaft (4) is movably connected in the clearance groove (9), and the left and right ends of the rotating shaft (4) both penetrate and extend to the outside of the clearance groove (9).
4. A municipal engineering anti-blocking and desilting device according to claim 1, characterized in that: A slide bar (10) is fixedly mounted on one side of the positioning block (6) close to the center of the connecting chamber (2), and slide grooves (11) are provided on both the front and rear side surfaces of the connecting chamber (2), and the slide bar (10) is movably connected in the slide grooves (11).
5. The municipal engineering anti-blocking and silting device according to claim 1 is characterized by: Sixteen square grooves are provided on the surface of the baffle plate (3), and there are sixteen crushing knives (5) in total. The sixteen crushing knives (5) are respectively located above the sixteen square grooves provided on the surface of the baffle plate (3).
6. The municipal engineering anti-blocking and silting device according to claim 1, characterized in that: The crushing knife (5) is located in the inner cavity of the connecting chamber (2), and the distance between the crushing knife (5) and the top surface of the inner cavity of the connecting chamber (2) is two centimeters greater than the height of the crushing knife (5).