CN213077594U

CN213077594U - Mud scraper for sedimentation tank

Info

Publication number: CN213077594U
Application number: CN202021244275.7U
Authority: CN
Inventors: 钱晓雄; 姚一帆; 刘秀红; 杨华良; 陈伟民
Original assignee: Suzhou Shangjian Hangxin Concrete Co ltd
Current assignee: Suzhou Shangjian Hangxin Concrete Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-30
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a sedimentation tank mud scraper, including sedimentation tank and along the mud scraping component of the length direction circulation operation of sedimentation tank, mud scraping component is including setting up the fixed block at sedimentation tank width direction both ends, setting up the backup pad between two fixed block tops, setting up a plurality of minutes boards and the main scraper blade of setting at the backup pad lower surface along the length direction of backup pad at the backup pad lower surface, minute board sets up along the length direction interval of backup pad, all hinges through coil spring between each minute board and the backup pad, main scraper blade sets up along the length direction of backup pad, contradict with the bottom surface of sedimentation tank under the vertical state of main scraper blade, the height of minute board is greater than the height of main scraper blade; and a driving device for driving the mud scraping assembly to circularly operate is arranged in the sedimentation tank. The utility model discloses have the more thorough effect of mud scraping.

Description

Mud scraper for sedimentation tank

Technical Field

The utility model relates to a sewage treatment device's technical field especially relates to a sedimentation tank mud scraper.

Background

A mud scraper is a device used in a sewage treatment process. The method has wide application in the sewage treatment fields of water plants, municipal sewage treatment plants, wastewater treatment plants and the like. The sewage is stood for a certain time in the sedimentation tank, sediment in the sewage is piled up and deposited at the bottom of the sedimentation tank, the sediment is moved to one end of the sedimentation tank by a mud scraper along the bottom of the sedimentation tank, and finally the sediment is pumped out through a sludge pumping pipe to finish the cleaning process.

The current Chinese utility model patent with the publication number of CN207412832U discloses a mud scraper, which relates to the field of sewage treatment equipment and mainly aims to provide a mud scraper capable of enabling sludge to be uniformly precipitated in a sedimentation tank. The utility model discloses a main technical scheme do: a mud scraper, comprising: a drive section; the main shaft has relative first end and second end, first end is rotated and is connected in the bottom of the pool of sedimentation tank, the top of sedimentation tank is passed to the second end, and connect in the drive division, the scraper blade sets up in the sedimentation tank, the scraper blade includes first scraper blade and second scraper blade, the horizontal fixed connection of one end of first scraper blade is in the main shaft, the other end extends towards the direction of the inner wall of sedimentation tank, the second scraper blade sets up the bottom of the pool at the sedimentation tank, one end at the second scraper blade sets up incorgruous drive division, the one end of incorgruous drive division is rotated and is connected in the main shaft, other end fixed connection is in the second scraper blade, a direction rotation that is opposite for driving the second scraper blade.

The above prior art solutions have the following drawbacks: the existing sedimentation tank is generally a cement bottom, the bottom of the sedimentation tank is corroded and damaged by corrosive sediments after the sedimentation tank is used for a long time, and finally pits and uneven parts on the bottom surface of the sedimentation tank are caused, at this time, a considerable part of sediments are located in the pits, and the bottom of the mud scraping plate is straight, so that the sediments are not thoroughly cleaned.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a sedimentation tank mud scraper, it has the effect of scraping mud more thoroughly, environmental protection more to the sedimentation tank.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sedimentation tank mud scraper comprises a sedimentation tank and mud scraping components running along the length direction of the sedimentation tank, wherein the mud scraping components comprise fixed blocks arranged at two ends of the sedimentation tank in the width direction, a supporting plate arranged between the two fixed blocks, a plurality of sub-plates arranged on the lower surface of the supporting plate and a main scraper arranged on the lower surface of the supporting plate, the sub-plates are arranged at intervals along the length direction of the supporting plate, each sub-plate is hinged with the supporting plate through a spiral spring, the main scraper is arranged along the length direction of the supporting plate, the main scraper is abutted against the bottom surface of the sedimentation tank in a vertical state, and the heights of the sub-plates are greater than the height of the main scraper; and a driving device for driving the mud scraping assembly to circularly move is arranged in the sedimentation tank.

Through adopting above-mentioned technical scheme, drive assembly drives the length direction of scraping mud subassembly along the sedimentation tank and moves in the bottom of sedimentation tank, divide the height that highly is greater than main scraper blade of board, coil spring gives a thrust of branch board, when meetting hollow, the bottom of branch board is pushed away to hollow by the spring in, scrape out mud wherein, every branch board independent operation, the branch board of corresponding position scrapes mud when meetting the hollow of the not equidimension of sedimentation tank width direction, avoid mud to pile up the polluted water body in hollow long term, the clearance comprehensiveness and the feature of environmental protection of mud scraper have been improved.

The present invention may be further configured in a preferred embodiment as: drive arrangement is including setting up driving motor on the sedimentation tank lateral wall, rotating a plurality of pivots of connection between two vertical lateral walls of sedimentation tank, setting up the drive gear on every pivot length direction both ends lateral wall respectively and set up the drive chain in the same end of a plurality of pivot length directions respectively, drive chain and drive gear meshing, the tip of one of them pivot is equipped with the second gear, driving motor's the first gear of output shaft fixedly connected with, first gear meshes with the second gear mutually, the one side fixed connection that the fixed block is close to drive chain is on drive chain.

Through adopting above-mentioned technical scheme, a drive arrangement is provided, when scraping mud, start driving motor, driving motor drives first gear revolve, and then drives second gear revolve, and then drives corresponding pivot and rotate, further drives two drive chain transmissions, and then drives the fixed block and carry out reciprocating motion, when the fixed block passes through the bottom of sedimentation tank, strikes off the mud of the bottom of sedimentation tank, accomplishes and removes mud work.

The present invention may be further configured in a preferred embodiment as: and elastic cloth is arranged between every two adjacent sub-plates.

Through adopting above-mentioned technical scheme, two adjacent minute boards can produce the dislocation owing to the resistance difference that receives when meetting different hollow, and then can produce the clearance, and the elasticity cloth stops the effect to the mud formation between two minute boards, avoids mud to flow from the clearance to improve the clearance effect of minute board, alleviateed pressure for the main scraper blade at rear.

The present invention may be further configured in a preferred embodiment as: two be equipped with the cleaning roller between the fixed block, the circumference lateral wall of cleaning roller is equipped with first brush hair, the length of first brush hair is greater than the distance between the bottom surface distance sedimentation tank bottom surface of cleaning roller, the cleaning roller sets up divide between board and the main scraper blade.

Through adopting above-mentioned technical scheme, the cleaning roller is when removing along the length direction of sedimentation tank, and the effectual incomplete mud residual mud that is not clear away to hollow division board of first brush hair is further cleared up for the mud scraper is more thorough to the clearance of mud, has further improved the clearance effect of mud scraper.

The present invention may be further configured in a preferred embodiment as: the cleaning roller is rotatably connected between the two fixed blocks, driving gears are arranged at two ends of the length direction of the cleaning roller, racks are arranged on two sides of the length direction of the bottom surface of the sedimentation tank, and the driving gears are meshed with the racks.

Through adopting above-mentioned technical scheme, when the clearance axle removed along the length direction of sedimentation tank, the meshing of drive gear and rack for the clearance axle carries out driven rotation, and then makes the clearance axle can also carry out the rotation around self axis when carrying out linear motion, thereby makes first brush hair further clear up the hole department of sedimentation tank bottom, and then makes the cleaning action of mud scraper to the sedimentation tank bottom more thorough.

The present invention may be further configured in a preferred embodiment as: the one side that drive chain was kept away from to the fixed block is equipped with the slider, the bottom surface of sedimentation tank is equipped with the slide rail, slider sliding connection is on the slide rail.

Through adopting above-mentioned technical scheme, the slide rail provides effectual guide effect to the fixed block along the length direction of sedimentation tank for more stable when scraping mud subassembly operation avoids the mud scraper to take place crooked, stability when improving the mud scraper.

The present invention may be further configured in a preferred embodiment as: be equipped with the riser on the fixed block, the riser is equipped with the second brush hair towards the one side of sedimentation tank, the second brush hair is inconsistent with the vertical side of sedimentation tank.

Through adopting above-mentioned technical scheme, at the in-process that sewage stood, the vertical lateral wall of sedimentation tank also can accumulate certain mud, when scraping the bottom of the pool of mud subassembly to the sedimentation tank and clear up, riser and second brush hair also clear up the vertical lateral wall of sedimentation tank for mud scraper is more comprehensive thorough to the clearance of sedimentation tank.

The present invention may be further configured in a preferred embodiment as: the upper surface of the supporting plate is provided with an arc-shaped fender which runs towards the conveying direction of the supporting plate.

Through adopting above-mentioned technical scheme, the fender has reduced mud and has crossed the possibility of scraping the mud subassembly in aqueous, has improved the clearance effect to mud.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the length of each sub-plate is larger than that of the main scraper, the sub-plates are hinged to the bottom of the supporting plate through the spiral springs, and the two adjacent sub-plates are independent from each other, so that the spiral springs give the sub-plates a driving force towards the conveying direction in the mud scraping process, when the sub-plates meet a hollow place, mud in the hollow place can be scraped out through the bottoms of the corresponding sub-plates, mud which is not cleaned up by the sub-plates is further scraped, and therefore the degree of mud at the bottom of the sedimentation tank is improved;

2. the cleaning roller is arranged between the sub-plate and the main scraper, the first bristles are arranged on the outer side wall of the cleaning roller, and the cleaning roller can rotate around the axis of the cleaning roller when moving linearly, so that the cleaning effect of the mud scraper on the bottom of the sedimentation tank is further improved, and the cleaning thoroughness of the mud scraper is improved;

3. through setting up riser and second brush hair, clear up the vertical lateral wall of sedimentation tank, further improved the comprehensiveness of mud scraper clearance.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a cross-sectional view of the mud scraper;

FIG. 3 is a schematic view of the internal mechanism of the settling tank;

FIG. 4 is a schematic view primarily illustrating the mud scraping assembly;

fig. 5 is a partially enlarged view of a portion a in fig. 4.

In the figure, 1, a sedimentation tank; 2. a mud scraping assembly; 21. a fixed block; 22. a support plate; 23. dividing the plates; 24. a main squeegee; 231. a coil spring; 3. a drive device; 31. a drive motor; 32. a rotating shaft; 33. a transmission gear; 34. a drive chain; 4. a first gear; 5. a second gear; 6. an elastic cloth; 7. cleaning the roller; 71. a first bristle; 8. a driving gear; 9. a rack; 10. a slider; 11. a slide rail; 12. a vertical plate; 121. a second bristle; 13. a fender; 14. a mud storage hopper; 15. a mud pumping pipe; 16. a bearing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a sedimentation tank mud scraper, including the sedimentation tank 1 of cuboid form, sedimentation tank 1's length direction's bottom an organic whole is connected with storage hopper 14, runs through storage hopper 14 and is equipped with and takes out mud pipe 15.

Referring to fig. 3 and 4, a mud scraping assembly 2 is arranged in the sedimentation tank 1, a driving device 3 for driving the mud scraping assembly 2 to operate is arranged in the sedimentation tank 1, and the driving device 3 comprises a driving motor 31 arranged on the outer side wall of the sedimentation tank 1, a plurality of rotating shafts 32 rotatably connected between two vertical side walls in the length direction of the sedimentation tank 1, transmission gears 33 respectively fixedly sleeved at two ends in the length direction of each rotating shaft 32, and a transmission chain 34 meshed with the outer sides of the transmission gears 33 arranged at the same end of each rotating shaft 32. A first gear 4 is fixedly sleeved at the end part of an output shaft of the driving motor 31, a second gear 5 is fixedly sleeved at one end of one rotating shaft 32 in the length direction, and the first gear 4 and the second gear 5 are meshed. When the device is used, the driving motor 31 runs to drive the first gear 4 to rotate, and then the second gear 5 is driven to rotate, so that the corresponding rotating shaft 32 rotates, and the transmission gears 33 at the two ends of the rotating shaft 32 in the length direction rotate to drive the transmission chain 34 to rotate. The transmission chain 34 rotates to drive the mud scraping assembly 2 to move.

Referring to fig. 1, a support plate 16 is fixedly connected to the vertical side wall of the sedimentation tank 1 below a driving motor 31, and the driving motor 31 is fixedly connected to the support plate 16.

Referring to fig. 3 and 4, the mud scraping assembly 2 includes a plurality of fixing blocks 21 respectively fixedly connected to the two chains, a support plate 22 horizontally integrally connected between the two fixing blocks 21, a plurality of sub-plates 23 hingedly disposed on a lower surface of the support plate 22, and a main scraper 24 vertically integrally connected to a lower surface of the support plate 22. The fixed blocks 21 on the two chains are arranged in a one-to-one correspondence manner, and the connecting line between the centers of the two corresponding fixed blocks 21 is parallel to the width direction of the sedimentation tank 1.

Referring to fig. 4 and 5, a plurality of sub-plates 23 are arranged at intervals along the length direction of the support plate 22, the top end of each sub-plate 23 is hinged to the support plate 22 through a coil spring 231, the main scraper 24 is arranged along the length direction of the support plate 22, the bottom surface of the main scraper 24 is abutted against the bottom surface of the sedimentation tank 1 in a vertical state, and the height of the sub-plates 23 is greater than that of the main scraper 24.

Referring to fig. 5, an elastic cloth 6 is disposed between two adjacent sub-plates 23, and two sides of the elastic cloth 6 are respectively fixedly connected to the side walls of the two sub-plates 23 in the length direction. The elastic cloth 6 has a blocking effect on sludge between the two sub-plates 23, and prevents the sludge from flowing out of the gap, so that the cleaning effect of the sub-plates 23 is improved, and the pressure of the rear main scraper 24 is reduced.

Referring to fig. 4 and 5, the cleaning roller 7 is rotatably connected between the two fixing blocks 21, two ends of the cleaning roller 7 in the length direction are rotatably connected between the two fixing blocks 21 through bearings, specifically, racks 9 are fixedly connected to two sides of the bottom surface of the sedimentation tank 1 in the length direction, driving gears 8 are arranged at two ends of the cleaning roller 7 in the length direction, and the driving gears 8 are meshed with the racks 9 when the cleaning roller 7 runs along the length direction of the sedimentation tank 1 at the bottom of the sedimentation tank 1, so that the cleaning roller 7 rotates.

Referring to fig. 4, the circumferential side wall of the cleaning roller 7 is provided with first bristles 71, the length of the first bristles 71 is greater than the distance between the bottom surface of the cleaning roller 7 and the bottom surface of the sedimentation tank 1, the cleaning roller 7 is arranged between the sub-plate 23 and the main scraper 24, when the cleaning roller 7 moves along the length direction of the sedimentation tank 1, the first bristles 71 effectively further clean sludge residual sludge which is not completely removed by the sub-plate 23 in the hollow treatment, and then the main scraper 24 behind the first bristles further cleans the scraped sludge.

Referring to fig. 5, a sliding block 10 is arranged on one side of the fixed block 21 away from the transmission chain 34, two sides of the bottom surface of the sedimentation tank 1 in all directions are fixedly connected with sliding rails 11, and the fixed block 21 is slidably connected to the sliding rails 11 through the sliding block 10 when moving at the bottom of the sedimentation tank 1. The slide rail 11 provides an effective guiding function for the fixing block 21 along the length direction of the sedimentation tank 1, so that the operation of the mud scraping assembly 2 is more stable.

Referring to fig. 5, a vertical plate 12 is arranged on one side, away from the chain, of each fixing block 21, second bristles 121 are arranged on one side, facing the sedimentation tank 1, of each vertical plate 12, the second bristles 121 are abutted to the vertical side face of the sedimentation tank 1, an arc-shaped splash guard 13 is arranged on the upper surface of the support plate 22, and the splash guard 13 runs in the conveying direction of the support plate 22.

The implementation principle of the embodiment is as follows: the driving device 3 operation process starts the driving motor 31, drives the first gear 4 to rotate, then drives the second gear 5 to rotate, and then drives the rotating shaft 32 fixedly connected with the second gear 5 to rotate, and then makes the transmission chain 34 rotate, and then makes the fixed block 21 follow the transmission chain 34 to rotate circularly, and then drives the mud scraping component 2 to rotate circularly.

When the mud scraping assembly 2 runs along the length direction of the sedimentation tank 1, the sub-plates 23 firstly contact with the mud and push the mud, when no depression exists in the bottom surface of the sedimentation tank 1 below the sub-plates 23, the sub-plates 23 are pushed to abut against the bottom of the sedimentation tank 1 by virtue of the elastic force given by the spiral springs 231, when the depression exists, the elastic force given by the spiral springs 231 to the sub-plates 23 pushes one sides of the sub-plates 23 far away from the support plates 22 to enter the depressions, so that the mud in the depressions is scraped, and the elastic cloth 6 between the two sub-plates 23 avoids the omission of the mud; meanwhile, the driving gears 8 at the two ends of the cleaning roller 7 in the length direction are meshed with the racks 9, so that the cleaning roller 7 moves around the axis of the cleaning roller, the first bristles 71 further clean sludge in the hollow, and the main scraper 24 prevents the sludge from leaking.

When the mud scraping component 2 moves along the length direction of the sedimentation tank 1, the two vertical side walls of the sedimentation tank 1 are cleaned up by the second bristles 121, so that the cleaning thoroughness of the mud scraper is further improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sedimentation tank mud scraper, includes sedimentation tank (1) and scrapes mud subassembly (2) along the length direction circulation of sedimentation tank (1), its characterized in that: the mud scraping assembly (2) comprises fixing blocks (21) arranged at two ends of the sedimentation tank (1) in the width direction, supporting plates (22) arranged between the top ends of the two fixing blocks (21), a plurality of sub-plates (23) arranged on the lower surface of the supporting plate (22) along the length direction of the supporting plate (22), and main scraping plates (24) arranged on the lower surface of the supporting plate (22), wherein the sub-plates (23) are arranged at intervals along the length direction of the supporting plate (22), each sub-plate (23) is hinged to the supporting plate (22) through a spiral spring (231), the main scraping plates (24) are arranged along the length direction of the supporting plate (22), the main scraping plates (24) are abutted to the bottom surface of the sedimentation tank (1) in a vertical state, and the heights of the sub-plates (23) are greater than the heights of the main scraping plates (24);

and a driving device (3) for driving the mud scraping assembly (2) to circularly run is arranged in the sedimentation tank (1).

2. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: drive arrangement (3) including setting up driving motor (31) on sedimentation tank (1) lateral wall, rotate a plurality of pivots (32) of connection between two vertical lateral walls of sedimentation tank (1), set up drive gear (33) on every pivot (32) length direction both ends lateral wall respectively and set up drive chain (34) at the same end of a plurality of pivots (32) length direction respectively, drive chain (34) and drive gear (33) meshing, the tip of one of them pivot (32) is equipped with second gear (5), the first gear of output shaft fixedly connected with (4) of driving motor (31), first gear (4) and second gear (5) mesh mutually, one side fixed connection that fixed block (21) are close to drive chain (34) is on drive chain (34).

3. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: elastic cloth (6) is arranged between every two adjacent sub-plates (23).

4. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: two be equipped with cleaning roller (7) between fixed block (21), the circumference lateral wall of cleaning roller (7) is equipped with first brush hair (71), the length of first brush hair (71) is greater than the distance between the bottom surface distance sedimentation tank (1) bottom surface of cleaning roller (7), cleaning roller (7) set up divide between board (23) and main scraper blade (24).

5. A sedimentation tank mud scraper in accordance with claim 4, characterized in that: cleaning roller (7) rotate to be connected between two fixed blocks (21), cleaning roller (7) length direction's both ends are equipped with driving gear (8), sedimentation tank (1) bottom surface length direction's both sides are equipped with rack (9), driving gear (8) with rack (9) meshing sets up.

6. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: the one side that drive chain (34) was kept away from in fixed block (21) is equipped with slider (10), the bottom surface of sedimentation tank (1) is equipped with slide rail (11), slider (10) sliding connection is on slide rail (11).

7. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: be equipped with riser (12) on fixed block (21), riser (12) are equipped with second brush hair (121) towards the one side of sedimentation tank (1), second brush hair (121) are inconsistent with the vertical side of sedimentation tank (1).

8. A sedimentation tank mud scraper in accordance with claim 1, characterized in that: the upper surface of the supporting plate (22) is provided with an arc-shaped fender (13), and the fender (13) moves towards the conveying direction of the supporting plate (22).