Mud scraper for sedimentation tank

Abstract

The utility model relates to the technical field of mud scrapers, and discloses a sedimentation tank mud scraper which comprises a main beam, a driving device is arranged on the main beam in a matched mode, a flow stabilizing barrel is arranged at the bottom of the driving device in a matched mode, a transmission shaft is arranged at the bottom of the flow stabilizing barrel in a matched mode, and two scraping plates are symmetrically connected to the two sides of the bottom end of the transmission shaft. And an auxiliary ring is arranged on the outer side of the transmission shaft. According to the mud scraping device, the filter screen holes can guarantee the passing rate of water during mud scraping operation, so that the water is prevented from being greatly stirred by the scraping plate, meanwhile, the filter screen can filter floating and unprecipitated substances in the water, and the substances attached to the filter screen can be cleaned at regular time by matching with the cleaning scraping blade capable of moving up and down; on the premise of ensuring the water passing rate, the weight increase caused by the fact that a large amount of sludge is attached to the scraping plate can also be avoided, so that the equipment can effectively scrape the sludge, reduce stirring on the water body, avoid excessive attachment of dirt and improve the working efficiency when being used.

Description

Technical Field

[0001] The utility model relates to the technical field of mud scrapers, in particular to a mud scraper for a sedimentation tank. Background Art

[0002] In sewage treatment and related fields, the scraper plays a key role. The scraper scrapes the sludge settled at the bottom to a designated location through a scraper to achieve sludge cleaning and treatment. However, the existing scraper has some problems in practical application.

[0003] The scraper blade of an existing sludge scraper is usually a complete plate. When working, such a complete plate scraper is prone to cause a large agitation of the water body. This will not only affect the sedimentation effect, but also may cause the already precipitated substances to be suspended in the water again, increasing the difficulty of subsequent treatment. At the same time, due to the complete plate structure of the scraper, its surface is easily attached to dirt during contact with the sludge. As the working time increases, more and more dirt will adhere to the scraper, which increases the weight of the scraper and affects the operating efficiency of the scraper. In addition, cleaning the dirt attached to the scraper also takes a lot of time and manpower, further affecting the work efficiency.

[0004] Therefore, how to improve the structure of the scraper blade so that it can effectively scrape away sludge while reducing the agitation of the water body, while avoiding excessive adhesion of mud and dirt and improving work efficiency has become an urgent problem to be solved in the current scraper technology field. To this end, we proposed a sedimentation tank scraper. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a sedimentation tank scraper to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a sedimentation tank scraper, including a main beam, a driving device is arranged on the main beam, a stabilizing bucket is arranged at the bottom of the driving device, a transmission shaft is arranged at the bottom of the stabilizing bucket, two scrapers are symmetrically connected on both sides of the bottom end of the transmission shaft, an auxiliary ring is arranged on the outer side of the transmission shaft, the two scrapers are both located inside the auxiliary ring, a plurality of through holes are opened on the two scrapers, and a filter is fixedly installed on one side of the scraper, a guide groove is opened on the clockwise side of the two scrapers, a cleaning scraper capable of moving up and down is arranged at the position of the filter inside the guide groove, the wall surface of the cleaning scraper close to the filter is in contact with the filter, and a linkage mechanism capable of driving the cleaning scraper to move is arranged on the scraper.

[0007] Furthermore, the linkage mechanism includes a T-shaped slide, a T-shaped slider, an airbag, a connecting rod and an extrusion block, two T-shaped slides are symmetrically opened at both ends of the guide groove, and the interiors of the two T-shaped slides are movably connected with T-shaped sliders, and the two ends of the cleaning scraper are respectively fixedly connected to the end of the T-shaped slider on the corresponding side away from the T-shaped slide, wherein a connecting rod is fixedly connected to the T-shaped slider away from the transmission shaft, and the end of the connecting rod away from the T-shaped slider is in contact with the inner wall surface of the auxiliary ring and can slide relatively, and two extrusion blocks are fixedly installed at the positions corresponding to the two connecting rods inside the auxiliary ring, and a number of airbags are fixedly installed on the side of the cleaning scraper.

[0008] Furthermore, the two extrusion blocks are both in an arc shape that gradually turns downward along the rotation direction of the transmission shaft.

[0009] Furthermore, a cleaning block is fixedly connected to the lower side of the T-shaped slider, the cleaning block is a block with a triangular cross-section, and the side of the cleaning block away from the T-shaped slider is an arc-shaped surface, and the cleaning block is located inside the corresponding T-shaped slideway.

[0010] Furthermore, the guide groove is a groove with a trapezoidal cross section.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. When scraping mud, the holes of the filter can ensure the water flow rate, thereby avoiding the scraper from causing a large agitation of the water. At the same time, the filter can filter the floating and unsettled substances in the water. By cooperating with the cleaning scraper that can move up and down, the substances attached to the filter can be cleaned regularly. Under the premise of ensuring the water flow rate, it can also avoid the scraper from attaching a large amount of sludge and causing an increase in weight. Therefore, the equipment can not only effectively scrape off the sludge, but also reduce the agitation of the water, while avoiding excessive attachment of mud and dirt, thereby improving work efficiency.

[0013] 2. By installing a cleaning block at the bottom of the T-shaped slider, when the T-shaped slider moves up and down inside the T-shaped slide, the cleaning block can also scrape the material inside the T-shaped slide to prevent excessive material from accumulating inside the T-shaped slide, which will cause the T-shaped slider to be unable to move normally inside the T-shaped slide, thereby affecting the normal operation of the entire equipment.

[0014] 3. Through the guide groove opened on the scraper, when the scraper is scraping mud, the guide groove can collect and gather the sludge, thereby improving the scraping efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2This is a three-dimensional diagram of the scraper of the utility model;

[0017] Figure 3 This is a partial stereoscopic diagram of the cleaning scraper of the utility model;

[0018] Figure 4 For this utility model Figure 1 Enlarged view of point A in the middle;

[0019] Figure 5 For this utility model Figure 1 Enlarged view of point B in the middle;

[0020] Figure 6 For this utility model Figure 2 Enlarged view of center C.

[0021] In the figure: 1. main beam; 2. driving device; 3. flow stabilizing barrel; 4. transmission shaft; 5. scraper; 6. auxiliary ring; 7. guide groove; 8. filter; 9. T-shaped slideway; 10. T-shaped slider; 11. cleaning scraper; 12. airbag; 13. connecting rod; 14. extrusion block; 15. cleaning block. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0023] Figure 1-Figure 6 It is the best embodiment of the utility model, and the following Figure 1-Figure 6 The utility model is further described.

[0024] Refer to the attached Figure 1-Figure 6A sedimentation tank scraper includes a main beam 1, a driving device 2 is provided on the main beam 1, a stabilizing bucket 3 is provided at the bottom of the driving device 2, a transmission shaft 4 is provided at the bottom of the stabilizing bucket 3, two scrapers 5 are symmetrically connected to the bottom of the transmission shaft 4 on both sides, and the two scrapers 5 are arc-shaped blocks. When in use, the stabilizing bucket 3 can drive the two scrapers 5 to make a circular motion through the transmission shaft 4, thereby completing the scraping operation, an auxiliary ring 6 is provided on the outer side of the transmission shaft 4, and the two scrapers 5 are both located inside the auxiliary ring 6. The two scrapers 5 are provided with There are several through holes, and a filter screen 8 is fixedly installed on one side of the scraper 5, each through hole is arranged opposite to the filter screen 8 on the corresponding side, a guide groove 7 is opened on the clockwise side of the two scrapers 5, the filter screen 8 is arranged in the guide groove 7, and a cleaning scraper 11 that can move up and down is arranged at the position corresponding to the filter screen 8 inside the guide groove 7. The cleaning scraper 11 is in contact with the filter screen 8, so when the cleaning scraper 11 moves up and down, the sludge attached to the filter screen 8 can be scraped off, and the scraper 5 is provided with a linkage mechanism that can drive the cleaning scraper 11 to move.

[0025] When in use, the auxiliary ring 6 is fixedly mounted on the inner wall of the sedimentation tank, and the positions of the auxiliary ring 6 and the scraper 5 correspond to each other, that is, the auxiliary ring 6 is coaxially fixed on the bottom inner wall of the sedimentation tank.

[0026] The linkage mechanism includes a T-shaped slide 9, a T-shaped slider 10, an airbag 12, a connecting rod 13 and an extrusion block 14. Two T-shaped slides 9 are symmetrically opened at both ends of the guide groove 7. The two T-shaped slides 9 are movably connected to the inside of the two T-shaped slides 9. The two ends of the cleaning scraper 11 are respectively fixedly connected to the T-shaped slider 10 on the corresponding side, wherein the T-shaped slider 10 away from the transmission shaft 4 is fixedly connected with a connecting rod 13, the connecting rod 13 is in contact with the inner wall surface of the auxiliary ring 6 and can slide relatively, and two extrusion blocks 14 are fixedly installed at the positions corresponding to the two connecting rods 13 inside the auxiliary ring 6, and a number of airbags 12 are fixedly installed on the upper side of the cleaning scraper 11, and the number of airbags 12 is installed according to actual usage.

[0027] The two extrusion blocks 14 are both arc-shaped blocks, and the end of the connecting rod 13 away from the T-shaped slider 10 is arranged below the extrusion block 14, and the extrusion block 14 is an arc-shaped block that gradually goes downward along the rotation direction of the transmission shaft 4. Figure 4 As shown, when the connecting rod 13 contacts the extrusion block 14 during use, as the scraper 5 continues to rotate, the connecting rod 13 will drive the cleaning scraper 11 to move downward under the extrusion of the extrusion block 14.

[0028] A cleaning block 15 is fixedly connected to the lower side of the T-shaped slider 10. The cleaning block 15 is a block with a triangular cross section, and the side of the cleaning block 15 away from the T-shaped slider 10 is an arc surface. The cleaning block 15 is located inside the corresponding T-shaped slideway 9, as shown in FIG. Figure 3 shown.

[0029] The guide groove 7 is a groove with a trapezoidal cross section.

[0030] Working principle: When in use, the main beam 1 is located on both sides of the top of the sedimentation tank, so as to realize the installation of the device, and the auxiliary ring 6 is coaxially arranged in the sedimentation tank and fixed to the bottom of the sedimentation tank. The driving device 2 is a driving motor, and the driving device 2 drives the two scrapers 5 to rotate through the transmission shaft 4. At this time, the filter screen 8 on the scraper 5 can first filter the floating and unprecipitated substances in the water body, and secondly, the holes on the filter screen 8 can also ensure the passing rate of the water body, avoiding the scraper 5 from causing a large agitation of the water body when rotating. At the same time, as the scraper 5 rotates, when the connecting rod 13 contacts the extrusion block 14, the connecting rod 13 is affected by the extrusion of the extrusion block 14 and drives the cleaning scraper 11 to move downward. At this time, the cleaning scraper 11 can scrape the sludge attached to the filter screen 8. When the connecting rod 13 is separated from the extrusion block 14 and loses the extrusion of the extrusion block 14, the cleaning scraper 11 will be reset upward under the action of the buoyancy of the air bag 12.

[0031] When performing the scraping operation, the holes of the filter screen 8 can ensure the water flow rate, thereby preventing the scraper 5 from causing a large agitation of the water body. At the same time, the filter screen 8 can filter the floating and unsettled substances in the water body. By cooperating with the cleaning scraper 11 that can move up and down, the substances attached to the filter screen 8 can be cleaned regularly. Under the premise of ensuring the water flow rate, it can also avoid the scraper 5 from attaching a large amount of sludge to increase the weight. Therefore, the equipment can not only effectively scrape off the sludge, but also reduce the agitation of the water body, while avoiding excessive attachment of mud and dirt, thereby improving work efficiency.

[0032] By installing a cleaning block 15 at the bottom of the T-shaped slider 10, when the T-shaped slider 10 moves up and down inside the T-shaped slide 9, the cleaning block 15 can also scrape the material inside the T-shaped slide 9 to prevent excessive material from accumulating inside the T-shaped slide 9, thereby causing the T-shaped slider 10 to be unable to move normally inside the T-shaped slide 9, thereby affecting the normal operation of the entire equipment.

[0033] By means of the guide groove 7 provided on the scraper 5, when the scraper 5 performs the sludge scraping operation, the guide groove 7 can collect and gather the sludge, thereby improving the sludge scraping efficiency of the equipment.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. 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. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A sedimentation tank scraper, comprising a main beam (1), a driving device (2) being arranged on the main beam (1), a stabilizing bucket (3) being arranged at the bottom of the driving device (2), and a transmission shaft (4) being arranged at the bottom of the stabilizing bucket (3), wherein: Two scrapers (5) are symmetrically connected to both sides of the bottom end of the transmission shaft (4); an auxiliary ring (6) is provided on the outer side of the transmission shaft (4); the two scrapers (5) are both located inside the auxiliary ring (6); a plurality of through holes are provided on the two scrapers (5); a filter screen (8) is fixedly mounted on one side of the scrapers (5); a guide groove (7) is provided on the clockwise side of the two scrapers (5); a cleaning scraper (11) capable of moving up and down is provided inside the guide groove (7) at a position corresponding to the filter screen (8); a wall surface of the cleaning scraper (11) close to the filter screen (8) is in contact with the filter screen (8); and a linkage mechanism capable of driving the cleaning scraper (11) to move is provided on the scraper (5).

2. A sedimentation tank scraper according to claim 1, characterized in that: The linkage mechanism comprises a T-shaped slideway (9), a T-shaped slider (10), an airbag (12), a connecting rod (13) and an extrusion block (14). Two T-shaped slideways (9) are symmetrically provided at both ends of the guide groove (7). The two T-shaped slideways (9) are movably connected to the inside of each of the two T-shaped slideways (9). The two ends of the cleaning scraper (11) are respectively fixedly connected to one end of the T-shaped slider (10) on the corresponding side away from the T-shaped slideway (9). A connecting rod (13) is fixedly connected to the top of the T-shaped slider (10) away from the transmission shaft (4). One end of the connecting rod (13) away from the T-shaped slider (10) contacts the inner wall surface of the auxiliary ring (6) and can slide relatively thereto. Two extrusion blocks (14) are fixedly installed at positions corresponding to the two connecting rods (13) inside the auxiliary ring (6). A plurality of airbags (12) are fixedly installed on the side of the cleaning scraper (11).

3. A sedimentation tank scraper according to claim 2, characterized in that: The two extrusion blocks (14) are both in an arc shape that gradually points downward along the rotation direction of the transmission shaft (4).

4. A sedimentation tank scraper according to claim 2, characterized in that: A cleaning block (15) is fixedly connected to the lower side of the T-shaped slider (10); the cleaning block (15) is a block with a triangular cross section, and a side of the cleaning block (15) away from the T-shaped slider (10) is an arc-shaped surface; the cleaning block (15) is located inside the corresponding T-shaped slideway (9).

5. A sedimentation tank scraper according to claim 1, characterized in that: The guide groove (7) is a groove with a trapezoidal cross section.

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