CN219783912U - Leakage-proof sedimentation mechanism - Google Patents

Abstract

The utility model provides a leakage-proof sedimentation mechanism, which relates to the technical field of sewage treatment and comprises the following components: a sedimentation tank main body; a sedimentation tank is arranged in the middle of the front part of the top end face of the sedimentation tank main body; a water inlet pipe is fixedly arranged at the upper part of the rear end surface of the sedimentation tank main body; the tail end of the water inlet pipe is arranged in the precipitation tank; a drain pipe is fixedly arranged at the lower part of the front end surface of the sedimentation tank main body; the tail end of the drain pipe is arranged in the sedimentation tank; the top end of the sedimentation tank main body is in a rectangular array shape and is fixedly connected with two groups of mounting plates. The control rack can be made to drive the control gear to rotate and the auxiliary shaft can be made to drive the cleaning roller to rotate to clean sludge on the inner wall of the sedimentation tank in the process of longitudinally moving the sliding frame, and the problem that after the sludge at the bottom of the sedimentation tank main body is cleaned by the slurry pump, a worker still needs to perform secondary cleaning operation on the sludge adhered to the inner walls on two sides of the sedimentation tank main body is solved.

Description

Leakage-proof sedimentation mechanism

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a leakage-proof sedimentation mechanism.

Background

Environmental engineering is often required to be administered polluted water source in the in-process of protecting natural environment, the mode that can adopt the sediment is administered polluted water source and is separated out with the mud in the water source generally, sedimentation mechanism can be used to the staff that precipitates to the water source for the convenience usually, current sedimentation mechanism comprises sedimentation tank main part, the slush pump, inlet tube and outlet pipe, pour into sedimentation tank main part through the inlet tube with polluted water source in the in-process of using and deposit, and discharge the water source that will deposit through the outlet pipe, simultaneously in order to prevent that the mud of deposit from together discharging along with the water source, the staff can use the slush pump to take out the mud of sediment in the sedimentation tank main part earlier and then discharge the water source.

For example: the utility model has disclosed an environmental engineering sewage treatment sedimentation tank of application number CN202022389572.7, specifically include the cell body, the top of the said cell body has water inlets, there are diverting mechanisms in the said cell body, the bottom sidewall fixedly connected with water storage tank of the said cell body, the sidewall of the said cell body connects with the second water outlet pipe, one end far away from cell body of the said second water outlet pipe is linked with water storage tank, the inner wall sliding connection of the said water storage tank has the first slide block, the top fixedly connected with lifting rod of the said first slide block, one end far away from the first slide block of the said lifting rod fixedly connected with the second slide block, the top of the said cell body has current limiting mechanisms, the top fixedly connected with connecting rod cooperating with current limiting mechanisms of the said second slide block; the utility model has simple structure and convenient use, can flexibly control the water inflow and improve the sewage precipitation effect.

However, for the current traditional sedimentation mechanism, in the process of cleaning sludge by using a slurry pump, only the sludge deposited at the bottom of the sedimentation tank main body can be cleaned, and part of sludge is adhered to the inner walls at two sides of the sedimentation tank main body in the process of sewage sedimentation, and after the slurry pump cleans the sludge at the bottom of the sedimentation tank main body, a worker still needs to clean the sludge adhered to the inner walls at two sides of the sedimentation tank main body for the second time, so that the operation is complex, and the labor intensity of the worker is high.

Disclosure of Invention

In view of the above, the utility model provides a leakage-proof sedimentation mechanism, which is provided with a cleaning roller capable of automatically cleaning sludge on the inner wall of the sedimentation mechanism when the sludge in the sedimentation mechanism is cleaned, a first driving motor is started to drive a control screw to rotate, a sliding frame is driven to move through the rotation of the control screw, guiding can be provided for the sliding frame through the cooperation of a guiding sliding rod and a guiding sliding rail and a guiding sliding block in the moving process of the sliding frame, further, a worker can conveniently clean the longitudinal sludge in a sedimentation tank through a mud pump through the movement of the sliding frame, the control rack drives a control gear to rotate in the longitudinal moving process of the sliding frame, an auxiliary shaft is driven to rotate through the rotation of the control gear, the cleaning roller is driven to rotate through the rotation of the auxiliary shaft, the sludge on the inner wall of the sedimentation tank is cleaned through the rotation of the cleaning roller, the worker does not need to clean secondarily, the operation is simple and rapid, the use is more convenient, the labor intensity of the worker is effectively reduced, the cleaning efficiency of the sedimentation mechanism is further improved, and the practicability of the sedimentation mechanism is improved.

The utility model provides a leakage-proof sedimentation mechanism, which specifically comprises: a sedimentation tank main body; a sedimentation tank is arranged in the middle of the front part of the top end face of the sedimentation tank main body; a water inlet pipe is fixedly arranged at the upper part of the rear end surface of the sedimentation tank main body; the tail end of the water inlet pipe is arranged in the precipitation tank; a drain pipe is fixedly arranged at the lower part of the front end surface of the sedimentation tank main body; the tail end of the drain pipe is arranged in the sedimentation tank; the top end of the sedimentation tank main body is in a rectangular array shape and is fixedly connected with two groups of mounting plates; the four mounting plates are all rectangular plate-shaped structures; two guide sliding rails are symmetrically and fixedly connected to the top end surface of the sedimentation tank main body; the two guide sliding rails are U-shaped block structures; a guide sliding block is connected in the two guide sliding rails in a sliding way.

Optionally, the top end surfaces of the two guide sliding blocks are fixedly connected with a sliding frame; a control screw rod is rotatably connected in the left mounting plate; the front end surface of the left mounting plate is in bolt fastening connection with a first driving motor; the first driving motor is coaxially connected with the control screw; the left part of the sliding frame is in threaded connection with the outside of the control screw; a guide slide bar is fixedly connected in the right mounting plate; the right part of the sliding frame is connected with the outside of the guide sliding rod in a sliding way.

Optionally, two guiding sliding grooves are symmetrically formed in the outer side of the sliding frame; a control sliding frame is connected in a sliding manner with the two guide sliding grooves; the top end surface of the control sliding frame is fixedly connected with a slurry pump through bolts; a mud pumping pipe is fixedly arranged at a mud pumping port of the mud pump; the tail end of the mud pumping pipe is arranged in the sedimentation tank; the central bolt of the rear end face of the control sliding frame is fixedly connected with a second driving motor; the front end surface of the second driving motor is coaxially connected with a fixed rotating shaft; the fixed rotating shaft is rotationally connected in the control sliding frame; the outside of the fixed rotating shaft is fixedly connected with a transmission gear in the middle; a fixed rack is fixedly connected with the top end surface of the sliding frame in the middle; the transmission gear is meshed with the fixed rack.

Optionally, the bottom end surface of the sliding frame is symmetrically and rotatably connected with two auxiliary shafts; the outer parts of the two auxiliary shafts are fixedly connected with a control gear; the inner sides of the two guide sliding rails are fixedly connected with a fixed block in the middle; the inner sides of the two fixed blocks are fixedly connected with a control rack; the two control gears are respectively meshed with the two control racks.

Optionally, the lower parts of the two auxiliary shafts are respectively inserted with a connecting sleeve; the bottom end surfaces of the two connecting sleeves are fixedly connected with a cleaning roller; the two cleaning rollers are contacted with the inner wall of the precipitation tank; the top end surfaces of the two cleaning rollers are fixedly connected with a group of auxiliary frames; a fixed inserted link is connected in the two groups of auxiliary frames in a sliding way; the fixed inserted link is connected in the connecting sleeve in a sliding way; the auxiliary shaft is movably connected to the outside of the fixed inserted link; the front parts of the two fixed inserted bars are fixedly connected with a reset spring; the tail ends of the two reset springs are respectively and fixedly connected to the front parts of the two groups of auxiliary frames.

Optionally, a mounting frame is fixedly connected to the lower part of the front end surface of the sedimentation tank main body; the mounting frame is of an L-shaped block structure; the lower part of the mounting frame is fixedly provided with an electric push rod; the rear end face of the electric push rod is fixedly connected with a sealing plug; the sealing plug is aligned with the position of the drain pipe.

Advantageous effects

The utility model can automatically clean the sludge on the inner wall of the sedimentation mechanism when cleaning the sludge in the sedimentation mechanism, does not need secondary cleaning by staff, has simple and quick operation, is more convenient to use, effectively reduces the labor intensity of the staff, and can effectively improve the tightness of the sedimentation mechanism and prevent the sewage and the sludge in the sedimentation mechanism from leaking from a drain pipe to influence the surrounding environment.

In addition, make first driving motor drive control screw rotate through starting first driving motor, rotate through control screw's rotation and drive the carriage and remove, the cooperation through direction slide bar and direction slide rail and direction slider at the carriage in-process that removes can provide the direction for the carriage, and then can make things convenient for the staff to clear up longitudinal mud in the precipitation tank through the slush pump through the removal of carriage, make the second driving motor drive fixed pivot through starting second driving motor and rotate, the in-process that rotates at fixed pivot can make the control carriage slide along the direction spout through the cooperation of drive gear and fixed rack, the slip through control carriage drives the slush pump and removes, and then make things convenient for the staff to clear up horizontal mud in the precipitation tank through the slush pump, the effectual clean area that has increased of slush pump can be to the interior large tracts of mud of precipitation tank, easy operation is swift, the clean efficiency of precipitation mechanism has been improved.

In addition, can make the control rack drive control gear and rotate at the carriage in-process that carries out longitudinal movement, rotate through control gear's rotation drive auxiliary shaft, rotate through auxiliary shaft and can drive the cleaning roller and rotate, clear up the mud on the precipitation tank inner wall through the rotation of cleaning roller, do not need the staff to carry out secondary clearance, easy operation is swift, it is more convenient to use, the effectual intensity of labour who has reduced the staff, further improves precipitation mechanism's cleaning efficiency, improves precipitation mechanism's practicality.

In addition, when not needing to discharge the sewage in the precipitation mechanism, the staff can start electric putter, makes electric putter drive the sealing plug and removes the sealing plug and insert the intraductal drain pipe and seal, and the sealing plug that inserts in the drain pipe firmly supports tightly on the drain pipe simultaneously and can also effectually improve the leakproofness of precipitation mechanism, prevents that sewage and mud in the precipitation mechanism from taking place to leak from the drain pipe and causing the influence to the surrounding environment.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

In the drawings:

FIG. 1 is a schematic diagram of an axial structure of the present utility model.

FIG. 2 is a schematic top view of an isometric structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the present utility model.

Fig. 4 is a schematic cross-sectional view of the control carriage of the present utility model.

Fig. 5 is a schematic diagram of the axially measured structure of the cleaning roller of the present utility model.

List of reference numerals

1. A sedimentation tank main body; 101. a precipitation tank; 102. a water inlet pipe; 103. a drain pipe; 104. a mounting frame; 105. an electric push rod; 106. a sealing plug; 107. a mounting plate; 108. a guide slide bar; 109. a control screw; 110. a first driving motor; 111. a carriage; 112. a guide chute; 113. a fixed rack; 114. controlling the carriage; 115. a slurry pump; 116. a mud pumping pipe; 117. a second driving motor; 118. fixing the rotating shaft; 119. a transmission gear; 120. a fixed block; 121. controlling a rack; 122. an auxiliary shaft; 123. a control gear; 124. a connecting sleeve; 125. a cleaning roller; 126. an auxiliary frame; 127. fixing the inserted link; 128. a return spring; 129. a guide slide block; 130. and a guide sliding rail.

Description of the embodiments

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 5:

the utility model provides a leakage-proof sedimentation mechanism, which comprises: a sedimentation tank body 1;

a sedimentation tank 101 is arranged in the middle of the front part of the top end surface of the sedimentation tank main body 1; a water inlet pipe 102 is fixedly arranged at the upper part of the rear end surface of the sedimentation tank main body 1; the tail end of the water inlet pipe 102 is arranged in the sedimentation tank 101; a drain pipe 103 is fixedly arranged at the lower part of the front end surface of the sedimentation tank main body 1; the tail end of the drain pipe 103 is arranged in the sedimentation tank 101; the top end of the sedimentation tank main body 1 is in a rectangular array shape and is fixedly connected with two groups of mounting plates 107; the four mounting plates 107 are all rectangular plate-shaped structures; two guide sliding rails 130 are symmetrically and fixedly connected to the top end surface of the sedimentation tank main body 1; both guide rails 130 are U-shaped block structures; a guide slide 129 is slidably connected to each of the two guide rails 130.

In addition, according to the embodiment of the present utility model, as shown in fig. 1 and 2, one carriage 111 is fixedly connected to the top end surfaces of the two guide sliders 129; a control screw 109 is rotatably connected in the left mounting plate 107; a first driving motor 110 is connected to the front end surface of the left mounting plate 107 in a bolt-fastening manner; the first driving motor 110 is coaxially connected with the control screw 109; the left part of the carriage 111 is screwed to the outside of the control screw 109; a guide slide bar 108 is fixedly connected in the right mounting plate 107; the right part sliding connection of carriage 111 is in the outside of direction slide bar 108 to make first driving motor 110 drive control screw 109 rotate through starting first driving motor 110, drive carriage 111 through control screw 109's rotation and remove, can provide the direction for carriage 111 through the cooperation of direction slide bar 108 and direction slide rail 130 and direction slider 129 in the process that carriage 111 removed, and then can make things convenient for the staff to clear up longitudinal mud in the sedimentation tank 101 through slush pump 115 through the removal of carriage 111.

In addition, according to the embodiment of the present utility model, as shown in fig. 1 and 4, two guide sliding grooves 112 are symmetrically formed at the outer side of the sliding frame 111; a control carriage 114 is slidably connected to the two guide runners 112; a mud pump 115 is connected to the top end surface of the control carriage 114 by bolt fastening; a mud pumping pipe 116 is fixedly arranged at a mud pumping port of the mud pump 115; the tail end of the mud pumping pipe 116 is arranged in the sedimentation tank 101; a second drive motor 117 is fastened and connected to the rear end surface of the control carriage 114 through a central bolt; the front end surface of the second driving motor 117 is coaxially connected with a fixed rotating shaft 118; the fixed shaft 118 is rotatably coupled within the control carriage 114; a transmission gear 119 is fixedly connected to the outer center of the fixed rotating shaft 118; a fixed rack 113 is fixedly connected to the center of the top end surface of the sliding frame 111; the transmission gear 119 is meshed with the fixed rack 113, so that the second driving motor 117 is started to drive the fixed rotating shaft 118 to rotate, the control sliding frame 114 is enabled to slide along the guide sliding groove 112 through the cooperation of the transmission gear 119 and the fixed rack 113 in the rotation process of the fixed rotating shaft 118, the mud pump 115 is driven to move through the sliding of the control sliding frame 114, and further, a worker can conveniently clean transverse mud in the sedimentation tank 101 through the mud pump 115, so that the mud pump 115 can extract large-area mud in the sedimentation tank 101, the cleaning area is effectively increased, the operation is simple and rapid, and the cleaning efficiency of the sedimentation mechanism is improved.

Further, according to the embodiment of the present utility model, as shown in fig. 3 and 5, two auxiliary shafts 122 are symmetrically rotatably connected to the bottom end surface of the carriage 111; a control gear 123 is fixedly connected to the outer parts of the two auxiliary shafts 122; a fixed block 120 is fixedly connected to the inner sides of the two guide slide rails 130 in the middle; the inner sides of the two fixed blocks 120 are fixedly connected with a control rack 121; the two control gears 123 are respectively meshed with the two control racks 121, so that the control racks 121 drive the control gears 123 to rotate in the process of longitudinally moving the sliding frame 111, and the auxiliary shaft 122 is driven to rotate by the rotation of the control gears 123.

Furthermore, according to the embodiment of the present utility model, as shown in fig. 3 and 5, the lower parts of the two auxiliary shafts 122 are respectively inserted with a connecting sleeve 124; a cleaning roller 125 is fixedly connected to the bottom end surfaces of the two connecting sleeves 124; both cleaning rollers 125 are in contact with the inner wall of the precipitation tank 101; a group of auxiliary frames 126 are fixedly connected to the top end surfaces of the two cleaning rollers 125; a fixed inserted rod 127 is connected in the two groups of auxiliary frames 126 in a sliding way; the fixed insert 127 is slidably coupled within the coupling sleeve 124; the auxiliary shaft 122 is movably connected to the outside of the fixed insert 127; the front parts of the two fixed inserted rods 127 are fixedly connected with a return spring 128; the tail ends of the two reset springs 128 are respectively and fixedly connected to the front parts of the two groups of auxiliary frames 126, so that the cleaning roller 125 can be driven to rotate through the rotation of the auxiliary shaft 122, the sludge on the inner wall of the sedimentation tank 101 is cleaned through the rotation of the cleaning roller 125, no secondary cleaning is needed by staff, the operation is simple and quick, the use is more convenient, the labor intensity of the staff is effectively reduced, the cleaning efficiency of the sedimentation mechanism is further improved, the practicability of the sedimentation mechanism is improved, the staff can pull the fixed inserted rod 127 when the cleaning roller 125 needs to be replaced, the fixed inserted rod 127 slides in the connecting sleeve 124 and stretches the reset spring 128, the staff can quickly take down the cleaning roller 125 for replacement when the fixed inserted rod 127 is completely separated from the auxiliary shaft 122, the operation is simple and quick, and the use is more convenient.

In addition, according to the embodiment of the present utility model, as shown in fig. 1 and 2, a mounting frame 104 is fixedly connected to the lower portion of the front end surface of the sedimentation tank body 1; the mounting frame 104 is of an L-shaped block structure; the lower part of the mounting frame 104 is fixedly provided with an electric push rod 105; the rear end face of the electric push rod 105 is fixedly connected with a sealing plug 106; the sealing plug 106 aligns with the position of drain pipe 103 to when not needing to discharge the sewage in the precipitation mechanism, the staff can start electric putter 105, makes electric putter 105 drive sealing plug 106 and remove and insert sealing plug 106 in the drain pipe 103 and seal drain pipe 103, and sealing plug 106 in the simultaneously inserts the drain pipe 103 and firmly supports tightly can also effectually improve the leakproofness of precipitation mechanism on drain pipe 103, prevents that sewage and mud in the precipitation mechanism from taking place to leak from drain pipe 103 and causing the influence to the surrounding environment.

Specific use and action of the embodiment:

in the use process of the utility model, sewage generated in environmental engineering is poured into the sedimentation tank 101 through the water inlet pipe 102 for sedimentation, after sedimentation is finished, a worker can drive the control screw 109 to rotate through starting the first driving motor 110, the sliding frame 111 is driven to move through the rotation of the control screw 109, the sliding frame 111 can be guided through the cooperation of the guide sliding rod 108, the guide sliding rail 130 and the guide sliding block 129 in the moving process of the sliding frame 111, further, the worker can conveniently clean the longitudinal sludge in the sedimentation tank 101 through the slurry pump 115 through the movement of the sliding frame 111, the second driving motor 117 is started to drive the fixed rotating shaft 118 to rotate through starting the second driving motor 117, the control sliding frame 114 can slide along the guide sliding groove 112 through the cooperation of the transmission gear 119 and the fixed gear 113 in the rotating process of the fixed rotating shaft 118, the sliding of the sliding frame 114 is controlled to drive the mud pump 115 to move, thereby facilitating the staff to clean the transverse sludge in the sedimentation tank 101 through the mud pump 115, leading the mud pump 115 to be capable of extracting the sludge with large area in the sedimentation tank 101, effectively increasing the cleaning area, being simple and fast to operate, improving the cleaning efficiency of the sedimentation mechanism, enabling the control rack 121 to drive the control gear 123 to rotate in the process of longitudinally moving the sliding frame 111, driving the auxiliary shaft 122 to rotate through the rotation of the control gear 123, driving the cleaning roller 125 to rotate through the rotation of the auxiliary shaft 122, cleaning the sludge on the inner wall of the sedimentation tank 101 through the rotation of the cleaning roller 125 without secondary cleaning of the staff, being simple and fast to operate, being more convenient to use, effectively reducing the labor intensity of the staff, further improve precipitation mechanism's cleaning efficiency, improve precipitation mechanism's practicality, the staff can stimulate fixed inserted bar 127 when needs change cleaning roller 125 simultaneously, make fixed inserted bar 127 slide in connecting sleeve 124 and tensile reset spring 128, the staff can take off cleaning roller 125 fast and change when fixed inserted bar 127 breaks away from with auxiliary shaft 122 completely, easy operation is swift, it is more convenient to use, when need not discharge the sewage in the precipitation mechanism, the staff can start electric putter 105, make electric putter 105 drive sealing plug 106 remove and insert sealing plug 106 in the drain pipe 103 and seal drain pipe 103, simultaneously the sealing plug 106 in the drain pipe 103 supports tightly can also effectually improve precipitation mechanism's leakproofness on drain pipe 103 firmly, prevent that sewage and mud in the precipitation mechanism from taking place to leak and causing the influence to surrounding environment from drain pipe 103.

Claims (6)

1. A leak-proof sedimentation mechanism, comprising: a sedimentation tank body (1); a sedimentation tank (101) is arranged in the middle of the front part of the top end of the sedimentation tank main body (1); a water inlet pipe (102) is fixedly arranged at the upper part of the rear end surface of the sedimentation tank main body (1); the tail end of the water inlet pipe (102) is arranged in the sedimentation tank (101); a drain pipe (103) is fixedly arranged at the lower part of the front end surface of the sedimentation tank main body (1); the tail end of the drain pipe (103) is arranged in the sedimentation tank (101); two groups of mounting plates (107) are fixedly connected with the top end of the sedimentation tank main body (1) in a rectangular array shape; the four mounting plates (107) are all rectangular plate-shaped structures; two guide sliding rails (130) are symmetrically and fixedly connected to the top end surface of the sedimentation tank main body (1); both the guide slide rails (130) are U-shaped block structures; a guide sliding block (129) is connected in the two guide sliding rails (130) in a sliding way.

2. A leak-proof settling mechanism as defined in claim 1, wherein: the top end surfaces of the two guide sliding blocks (129) are fixedly connected with a sliding frame (111); a control screw rod (109) is rotatably connected in the left mounting plate (107); the front end surface of the left mounting plate (107) is in bolt fastening connection with a first driving motor (110); the first driving motor (110) is coaxially connected with the control screw (109); the left part of the sliding frame (111) is connected with the outside of the control screw (109) in a threaded manner; a guide slide bar (108) is fixedly connected in the right mounting plate (107); the right part of the sliding frame (111) is connected with the outside of the guiding sliding rod (108) in a sliding way.

3. A leak-proof settling mechanism as defined in claim 2, wherein: two guide sliding grooves (112) are symmetrically formed in the outer side of the sliding frame (111); a control sliding frame (114) is connected in a sliding way with the two guide sliding grooves (112); the top end surface of the control sliding frame (114) is connected with a slurry pump (115) in a bolt fastening way; a mud pumping pipe (116) is fixedly arranged at the mud pumping port of the mud pump (115); the tail end of the mud pumping pipe (116) is arranged in the sedimentation tank (101); the rear end face of the control sliding frame (114) is fixedly connected with a second driving motor (117) through a bolt; the front end surface of the second driving motor (117) is coaxially connected with a fixed rotating shaft (118); the fixed rotating shaft (118) is rotatably connected in the control sliding frame (114); the outside of the fixed rotating shaft (118) is fixedly connected with a transmission gear (119) in the middle; a fixed rack (113) is fixedly connected with the top end surface of the sliding frame (111) in the middle; the transmission gear (119) is meshed with the fixed rack (113).

4. A leak-proof settling mechanism as defined in claim 2, wherein: the bottom end surface of the sliding frame (111) is symmetrically and rotatably connected with two auxiliary shafts (122); the outsides of the two auxiliary shafts (122) are fixedly connected with a control gear (123); the inner sides of the two guide slide rails (130) are fixedly connected with a fixed block (120) in the middle; the inner sides of the two fixed blocks (120) are fixedly connected with a control rack (121); the two control gears (123) are respectively meshed with the two control racks (121).

5. A leak-proof settling mechanism according to claim 4, wherein: the lower parts of the two auxiliary shafts (122) are respectively inserted with a connecting sleeve (124); the bottom end surfaces of the two connecting sleeves (124) are fixedly connected with a cleaning roller (125); both cleaning rollers (125) are contacted with the inner wall of the precipitation tank (101); a group of auxiliary frames (126) are fixedly connected to the top end surfaces of the two cleaning rollers (125); a fixed inserted rod (127) is connected in the two groups of auxiliary frames (126) in a sliding way; the fixed inserted rod (127) is connected in the connecting sleeve (124) in a sliding way; the auxiliary shaft (122) is movably connected to the outside of the fixed inserted rod (127); the front parts of the two fixed inserted rods (127) are fixedly connected with a return spring (128); the tail ends of the two return springs (128) are respectively and fixedly connected to the front parts of the two groups of auxiliary frames (126).

6. A leak-proof settling mechanism as defined in claim 1, wherein: the lower part of the front end surface of the sedimentation tank main body (1) is fixedly connected with a mounting frame (104); the mounting frame (104) is of an L-shaped block structure; an electric push rod (105) is fixedly arranged at the lower part of the mounting frame (104); the rear end surface of the electric push rod (105) is fixedly connected with a sealing plug (106); the sealing plug (106) is aligned with the position of the drain pipe (103).