CN219794164U - Drainage pump station - Google Patents

Abstract

The utility model discloses a drainage pump station, which comprises a device main body, wherein the device main body comprises a water storage part, a pump room and a filter screen, the water storage part is connected with the pump room, a sewage pipe is arranged in the water storage part, a sewage pump is arranged in the pump room, the sewage pipe penetrates through the pump room and is connected with the sewage pump, the drainage pump station further comprises a cleaning mechanism, the device main body further comprises a cover plate arranged on the top surface of the water storage part and the pump room, the filter screen is arranged in the water storage part, the sewage pipe is provided with a screen, the cleaning mechanism comprises a driving motor arranged on the cover plate, a rotating shaft fixed on an output shaft of the driving motor and a scraping plate arranged on the rotating shaft, the rotating shaft is arranged in the water storage part, and the top surface of the scraping plate is attached to the screen. The utility model has the effects of facilitating the cleaning of impurities blocked at the sewage pipe and improving the drainage efficiency.

Description

Drainage pump station

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a water logging pump station.

Background

The Chinese patent with the publication number of CN212271187U in the related art discloses a water drainage pump station, which comprises a reservoir, wherein a rainwater pipe for collecting urban rainwater is arranged at the top of the reservoir, a pump house for pumping rainwater in the reservoir is arranged at one side of the reservoir, a filter screen is arranged in the reservoir, and a cleaning device for cleaning the filter screen is arranged in the reservoir; the cleaning device comprises two fixing seats, a first scraping plate, a second scraping plate and a driving assembly, wherein the two fixing seats are fixed on the inner side wall of the water reservoir and are symmetrically arranged relative to the central axis of the length direction of the water reservoir, the first scraping plate and the second scraping plate are attached to the two sides of the thickness direction of the filter screen, and the driving assembly is arranged in the fixing seats; the first scraping plate is close to the upper part of the filter screen, and the second scraping plate is close to the lower part of the filter screen; the driving assembly is used for driving the first scraping plate and the second scraping plate to simultaneously vertically move along the height direction of the filter screen, a drainage pump and a sludge pump are arranged in the pump house, the drainage pump is communicated with the reservoir through a water pipe, the sludge pump is communicated with the reservoir through a sludge pipe, and the height of the sludge pipe is lower than that of the water pipe.

To above-mentioned correlation technique, cistern and pump house constitute the device main part, are provided with drain pump and sludge pump in the pump house, and the sludge pump passes through mud pipe and the interior intercommunication of cistern, and when the deposit in the cistern accumulated a certain amount, take away impurity through the sludge pump, clear up the cistern, when the impurity in the cistern is too much, block up the sewer pipe easily to be inconvenient for clearing up the impurity in the cistern, reduce drainage efficiency.

Disclosure of Invention

In order to facilitate cleaning of impurities blocked at a sewage pipe and improve drainage efficiency, the utility model provides a drainage pump station.

The utility model provides a drainage pump station which adopts the following technical scheme:

the utility model provides a drainage pump station, includes the device main part, the device main part includes water storage portion, pump house and filter screen, the water storage portion with the pump house is connected, install the sewage pipe in the water storage portion, install the sewage pump in the pump house, the sewage pipe passes the pump house with the sewage pump is connected, still includes clearance mechanism, the device main part still including install in the water storage portion with apron on the pump house top surface, the filter screen install in the water storage portion, be provided with the screen cloth on the sewage pipe, clearance mechanism including set up in driving motor on the apron, be fixed in driving motor output epaxial pivot with install in pivot epaxial striking off the board, the pivot install in the water storage portion, strike off the top surface of board with the screen cloth is laminated mutually.

Through adopting above-mentioned technical scheme, be provided with the screen cloth on the sewer pipe, driving motor sets up on the apron, the pivot is installed in the water storage portion, the pivot is fixed mutually with driving motor's output shaft, strike off the board and install in the pivot, strike off the top surface of board and laminating mutually with the screen cloth, when the plug on screen cloth surface needs to be cleared up, driving motor drive pivot rotates, the pivot drives strike off the board and rotates, strike off the accumulation on screen cloth surface, hinder impurity jam sewer pipe to improve drainage efficiency.

Preferably, the installation seat is arranged on the bottom surface inside the water storage part, the installation groove is formed in the top surface of the installation seat, the sliding groove is formed in the inner side surface of the water storage part, the sliding groove is communicated with the installation groove, the filter screen is slidably arranged in the installation groove and the sliding groove, the scraping mechanism is arranged on the water storage part and comprises a double-headed motor arranged on the water storage part, a worm arranged on an output shaft of the double-headed motor, a reciprocating screw rod arranged in the water storage part and a scraping assembly used for scraping piled matters on the filter screen, the end, close to the worm, of the reciprocating screw rod is provided with a worm wheel, the worm wheel is meshed with the worm rod, a nut seat is matched and arranged on the reciprocating screw rod, and the scraping assembly is arranged on the reciprocating screw rod.

Through adopting above-mentioned technical scheme, strike off the subassembly setting on reciprocating screw, be provided with the worm wheel on the reciprocating screw, be provided with the worm on the output shaft of double-end motor, worm wheel and worm mesh mutually, when needs clearance filter screen, double-end motor drive worm rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives reciprocating screw and rotates to drive strike off the subassembly and reciprocate on the filter screen, be convenient for clear up the filter screen and pile up.

Preferably, the water storage part is far away from the inner side surface of the double-headed motor and is provided with a containing groove, the reciprocating screw rod is inserted into the containing groove, the side wall of the containing groove is provided with a mounting ring groove, the reciprocating screw rod is fixedly provided with a limiting block, and the limiting block is slidably arranged in the mounting ring groove.

Through adopting above-mentioned technical scheme, the stopper slides and sets up in the installation annular, and the stopper obstructs reciprocating lead screw and breaks away from the holding tank to hinder reciprocating lead screw to break away from the water storage portion, strengthen the stability of reciprocating lead screw and water storage portion joint.

Preferably, the scraping assembly comprises a scraping plate, a scraping pad strip and a clamping piece, wherein the scraping pad strip and the clamping piece are installed on the scraping plate, the scraping plate is connected with the nut seat, and the scraping pad strip is attached to the filter screen.

Through adopting above-mentioned technical scheme, strike off the filler strip and laminate mutually with the filter screen, strike off the filler strip and install on the scraper blade, the scraper blade is connected with the nut seat, and when needs clearance filter screen, the double-end motor drive worm rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives reciprocal lead screw and rotates, and reciprocal lead screw drives to strike off the filler strip along filter screen reciprocating motion, is convenient for strike off the filler strip and clear away the filter screen on deposit.

Preferably, the side surface of the scraping plate is provided with a sliding hole, the side surface of the scraping pad strip is provided with a clamping groove, the clamping piece comprises a clamping rod, one end of the clamping rod can be inserted into the clamping groove, and the clamping rod is slidably arranged in the sliding hole.

Through adopting above-mentioned technical scheme, the draw-in groove has been seted up on scraping the side of filler strip, and the draw-in bar slides and sets up in the downthehole that slides, slides the draw-in bar to the direction that is close to the draw-in groove, and when the draw-in bar inserts and locates in the draw-in groove, can realize scraping filler strip and scraper blade looks joint, when scraping filler strip needs to be changed, slides the draw-in bar to the direction of keeping away from the draw-in groove for the draw-in bar breaks away from the draw-in groove, thereby removes the joint of scraping filler strip and scraper blade, is convenient for change and scrapes filler strip.

Preferably, a blocking groove is formed in the side wall of the sliding hole, a stop block is arranged on the clamping rod, the stop block is slidably arranged in the blocking groove, a spring is arranged in the blocking groove, one end of the spring is abutted to the side surface of the stop block away from the clamping groove, and the other end of the spring is abutted to the side wall of the blocking groove away from the clamping groove.

Through adopting above-mentioned technical scheme, the dog slides and sets up in keeping off the inslot, and the side that the draw-in groove was kept away from to the dog is inconsistent, and the other end of spring is kept away from the lateral wall of draw-in groove with keeping off the groove and is inconsistent, and the spring gives the dog thrust that the draw-in groove was close to, and the dog drives the clamping pole and hugs closely the draw-in groove inner wall to reinforcing clamping pole and strike off the stability of filler strip joint, and then reinforcing strike off the stability of filler strip and scraper blade joint.

Preferably, a sliding rail is arranged on the side face of the mounting seat, a sliding block is arranged on the scraping plate, and the sliding block is arranged on the sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, the side of mount pad is provided with the slide rail, is provided with the slider on the scraper blade, and the slider slides and sets up on the slide rail, reinforcing scraper blade gliding stability.

Preferably, the side of the rotating shaft is provided with a groove, the scraping plate is provided with a clamping block, and the clamping block is in threaded connection with the inner peripheral wall of the groove.

Through adopting above-mentioned technical scheme, joint piece threaded connection is on the interior perisporium of recess, when the scraping plate needs to be changed, rotates the joint piece to the direction that breaks away from the recess, when the joint piece breaks away from the recess for the joint piece breaks away from the pivot, is convenient for change scraping plate.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the sewage pipe is provided with a screen, the driving motor is arranged on the cover plate, the rotating shaft is arranged in the water storage part, the rotating shaft is fixed with an output shaft of the driving motor, the scraping plate is arranged on the rotating shaft, the top surface of the scraping plate is attached to the screen, when a blockage on the surface of the screen needs to be cleaned, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the scraping plate to rotate, the scraping plate scrapes the accumulated matters on the surface of the screen, and the blockage of the sewage pipe by impurities is prevented, so that the drainage efficiency is improved;

2. the scraping component is arranged on the reciprocating screw rod, a worm wheel is arranged on the reciprocating screw rod, a worm is arranged on an output shaft of the double-end motor, the worm wheel is meshed with the worm, when the filter screen needs to be cleaned, the double-end motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the reciprocating screw rod to rotate, so that the scraping component is driven to reciprocate on the filter screen, and the accumulated matters on the filter screen are conveniently cleaned;

3. the clamping groove is formed in the side face of the scraping pad strip, the clamping rod is arranged in the sliding hole in a sliding mode, the clamping rod slides towards the direction close to the clamping groove, when the clamping rod is inserted into the clamping groove, the scraping pad strip and the scraping plate can be clamped, when the scraping pad strip needs to be replaced, the clamping rod slides towards the direction away from the clamping groove, the clamping rod is separated from the clamping groove, and therefore the clamping connection between the scraping pad strip and the scraping plate is relieved, and the scraping pad strip is convenient to replace.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pump station in an embodiment of the utility model.

Fig. 2 is a cross-sectional view of a water reservoir and pump house in an embodiment of the utility model.

Fig. 3 is a cross-sectional view of a holder in an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of a water reservoir in an embodiment of the utility model.

Fig. 5 is a cross-sectional view of a doctoring assembly in accordance with an embodiment of the utility model.

FIG. 6 is a cross-sectional view of a cleaning mechanism in an embodiment of the utility model.

Reference numerals illustrate:

1. a device body; 11. a water storage section; 111. a water inlet hole; 1111. a barrier web; 112. a mounting base; 1121. a mounting groove; 1122. a slide rail; 1123. a first mounting hole; 1124. a second mounting hole; 113. a sliding groove; 114. a fixing seat; 1141. a receiving groove; 115. a through hole; 116. a receiving groove; 1161. installing a ring groove; 117. a sewage pipe; 1171. a connecting pipe; 1172. a screen; 118. a water pumping pipe; 119. a limit seat; 1191. a rotating groove; 12. a pump house; 121. a sewage pump; 1211. a blow-down pipe; 122. a water pump; 1221. a drain pipe; 13. a filter screen; 14. a cover plate; 2. a cleaning mechanism; 21. a driving motor; 22. a rotating shaft; 221. a groove; 23. a scraping plate; 231. a clamping block; 3. a scraping mechanism; 31. a double-ended motor; 32. a worm; 33. a reciprocating screw rod; 331. a worm wheel; 332. a nut seat; 333. a limiting block; 34. a scraping assembly; 341. a scraper; 3411. a slip hole; 3412. a blocking groove; 3413. a spring; 3414. a slide block; 342. scraping the pad strip; 3421. a clamping groove; 343. a clamping piece; 3431. a clamping rod; 3432. and a stop block.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses a water logging drainage pump station. Referring to fig. 1 and 2, the drainage pump station includes a device body 1, a cleaning mechanism 2 and a scraping mechanism 3, the device body 1 includes a water storage portion 11, a pump room 12, a filter screen 13 and a cover plate 14, one side of the width direction of the water storage portion 11 is fixed with one side of the length direction of the pump room 12, the width of the water storage portion 11 is the same as the length of the pump room 12, the top surface of the water storage portion 11 is flush with the top surface of the pump room 12, and the bottom surface of the water storage portion 11 is flush with the bottom surface of the pump room 12.

Referring to fig. 1, a water inlet 111 is formed in a side surface of the water storage portion 11 away from the pump room 12, a blocking net 1111 is disposed in the water inlet 111, and an outer side surface of the blocking net 1111 is fixed to an inner circumference of the water inlet 111.

Referring to fig. 1 and 2, the cover plate 14 is horizontally disposed on the top surfaces of the water storage part 11 and the pump room 12, the cover plate 14 is fixed on the top surfaces of the water storage part 11 and the pump room 12 by bolts, the width of the cover plate 14 is the same as the width of the water storage part 11, and the length of the cover plate 14 is equal to the sum of the length of the water storage part 11 and the width of the pump room 12.

Referring to fig. 1 and 2, a mounting seat 112 is fixed to the bottom surface of the inside of the water storage portion 11, the mounting seat 112 is horizontally disposed inside the water storage portion 11, the longitudinal direction of the mounting seat 112 is perpendicular to the longitudinal direction of the water storage portion 11, and end surfaces of both ends of the mounting seat 112 are respectively bonded to both inner side surfaces of the water storage portion 11.

Referring to fig. 2, the two inner sides of the water storage portion 11 in the longitudinal direction are provided with sliding grooves 113, the sliding grooves 113 are communicated with the top surface of the water storage portion 11, the two sliding grooves 113 are symmetrical with respect to the center line of the water storage portion 11 in the longitudinal direction, the top surface of the mounting seat 112 is provided with a mounting groove 1121, and the mounting groove 1121 is communicated with the sliding grooves 113.

Referring to fig. 2, both sides of the filter 13 are slidably disposed in the two sliding grooves 113, respectively, and the bottom surface of the filter 13 is slidably disposed in the mounting groove 1121, and the top surface of the filter 13 is flush with the top surface of the water storage portion 11.

Referring to fig. 2 and 3, the scraping mechanism 3 includes a double-headed motor 31, a worm 32, a reciprocating screw 33, and a scraping assembly 34, a fixing base 114 is fixed on the upper portion of the outer side surface of the water storage portion 11, a receiving groove 1141 is formed on the side surface of the fixing base 114, which is close to the water storage portion 11, and the double-headed motor 31 is horizontally disposed in the receiving groove 1141.

Referring to fig. 3, there are two worms 32, and the two worms 32 are fixed to the two output shafts of the double-headed motor 31, respectively, and the axis of the worm 32 coincides with the axis of the output shaft of the double-headed motor 31.

Referring to fig. 2 and 3, through holes 115 are formed in the side surface, close to the fixing seat 114, of the water storage portion 11, two through holes 115 are symmetrical with respect to the filter screen 13, two reciprocating screw rods 33 are arranged, two reciprocating screw rods 33 are respectively inserted into the two through holes 115 horizontally, the two reciprocating screw rods 33 are parallel, worm gears 331 are respectively fixed at one ends, close to the worm screws 32, of the two reciprocating screw rods 33, the two worm gears 331 are respectively meshed with the two worm screws 32, and nut seats 332 are mounted on the reciprocating screw rods 33 in a matched mode.

Referring to fig. 4, the inner side surface of the water storage portion 11 far from the double-headed motor 31 is provided with two accommodating grooves 116, the two accommodating grooves 116 are symmetrical with respect to the filter screen 13, the axial leads of the two accommodating grooves 116 are respectively overlapped with the axial leads of the two through holes 115, the reciprocating screw 33 is inserted into the accommodating grooves 116, and the reciprocating screw 33 is rotatably arranged in the accommodating grooves 116.

Referring to fig. 4, a mounting groove 1161 is formed in a side wall of the accommodating groove 116, a stopper 333 is fixed to the reciprocating screw 33, and the stopper 333 is slidably disposed in the mounting groove 1161.

Referring to fig. 5, two sets of scraping assemblies 34 are provided, the two sets of scraping assemblies 34 are respectively mounted on two sides of the filter screen 13, each scraping assembly 34 includes a scraping plate 341, a scraping pad bar 342 and a clamping piece 343, the top surface of the scraping plate 341 is fixed with the bottom surface of the nut seat 332, a sliding hole 3411 is formed on the side surface of the scraping plate 341, close to the filter screen 13, a clamping groove 3421 is formed on the side surface of the scraping pad bar 342, close to the scraping plate 341, the clamping piece 343 includes a clamping rod 3431, the clamping rod 3431 is slidably arranged in the sliding hole 3411, and the scraping pad bar 342 is attached to the filter screen 13.

Referring to fig. 5, when the clamping rod 3431 is inserted into the clamping groove 3421, the scraping pad 342 is clamped with the scraping plate 341, and when the scraping pad 342 needs to be replaced, the clamping rod 3431 is slid in a direction away from the clamping groove 3421, so that the clamping rod 3431 is separated from the clamping groove 3421, and the clamping of the scraping pad 342 and the scraping plate 341 is released, so that the scraping pad 342 is convenient to replace.

Referring to fig. 5, a blocking groove 3412 is formed in a side wall of the sliding hole 3411, a stop block 3432 is fixed on the clamping rod 3431, the stop block 3432 is slidably arranged in the blocking groove 3412, a spring 3413 is arranged in the blocking groove 3412, one end of the spring 3413 is abutted against a side surface of the stop block 3432 away from the clamping groove 3421, and the other end of the spring 3413 is abutted against a side wall of the blocking groove 3412 away from the clamping groove 3421.

Referring to fig. 1 and 5, the mount 112 is provided with two slide rails 1122, two slide rails 1122 are fixed to two side surfaces of the mount 112, the two slide rails 1122 are symmetrical with respect to the filter screen 13, a slider 3414 is fixed to a bottom surface of the scraper 341, and the slider 3414 is slidably disposed on the slide rails 1122.

Referring to fig. 2, a sewage pump 121 and a water pump 122 are disposed in the pump room 12, the sewage pump 121 and the water pump 122 are both fixed on the bottom surface inside the pump room 12, a sewage pipe 117 and a water suction pipe 118 are mounted in the water storage portion 11, a first mounting hole 1123 and a second mounting hole 1124 are formed in the side surface of the mounting seat 112, and the first mounting hole 1123 is located obliquely above the second mounting hole 1124.

Referring to fig. 2, the water suction pipe 118 is horizontally inserted into the first mounting hole 1123, the sewage pipe 117 is horizontally inserted into the second mounting hole 1124, the outer surface of the water suction pipe 118 is bonded to the inner peripheral wall of the first mounting hole 1123, and the outer surface of the sewage pipe 117 is bonded to the inner peripheral wall of the second mounting hole 1124.

Referring to fig. 2, one end of the water suction pipe 118 far from the barrier net 1111 is inserted into the pump room 12 through the water storage part 11, the water suction pipe 118 is connected with the water suction pump 122, one end of the sewage pipe 117 far from the barrier net 1111 is inserted into the pump room 12 through the water storage part 11, the sewage pipe 117 is connected with the sewage pump 121, the water suction pump 122 is provided with a drain pipe 1221, the sewage pump 121 is provided with a drain pipe 1211, and both the drain pipe 1221 and the drain pipe 1211 are horizontally arranged in the pump room 12.

Referring to fig. 6, a connecting pipe 1171 is provided at one end of the sewage pipe 117 away from the sewage pump 121, the axial line direction of the connecting pipe 1171 is perpendicular to the axial line direction of the sewage pipe 117, a screen 1172 is provided in the connecting pipe 1171, the side surface of the screen 1172 is attached to the inner peripheral wall of the connecting pipe 1171, and the bottom surface of the screen 1172 is flush with the bottom surface of the connecting pipe 1171.

Referring to fig. 6, the cleaning mechanism 2 includes a driving motor 21, a rotating shaft 22, and a scraping plate 23, the driving motor 21 is fixed on the top surface of the cover plate 14, the rotating shaft 22 is fixed with an output shaft of the driving motor 21, and the rotating shaft 22 is vertically disposed in the water storage portion 11.

Referring to fig. 6, a groove 221 is formed on a side surface of the rotating shaft 22, a clamping block 231 is fixed on a side surface of the scraping plate 23, which is close to the rotating shaft 22, the clamping block 231 is in threaded connection with an inner peripheral wall of the groove 221, a length direction of the scraping plate 23 is perpendicular to an axial line direction of the rotating shaft 22, and a top surface of the scraping plate 23 is attached to the screen 1172.

Referring to fig. 6, a limit seat 119 is fixed to the bottom surface inside the water storage portion 11, a rotation groove 1191 is formed in the top surface of the limit seat 119, the axis of the rotation groove 1191 coincides with the axis of the rotation shaft 22, the rotation shaft 22 is inserted into the rotation groove 1191, and the rotation shaft 22 is rotatably disposed in the rotation groove 1191.

The implementation principle of the waterlogging drainage pump station provided by the embodiment of the utility model is as follows:

when the blockage on the surface of the screen 1172 needs to be cleaned, the driving motor 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the scraping plate 23 to rotate, and the scraping plate 23 scrapes the accumulated matters on the surface of the screen 1172 to prevent impurities from blocking the sewage pipe 117, so that the drainage efficiency is improved.

When the filter screen 13 needs to be cleaned, the double-headed motor 31 drives the worm 32 to rotate, the worm 32 drives the worm wheel 331 to rotate, the worm wheel 331 drives the reciprocating screw 33 to rotate, and the reciprocating screw 33 drives the scraping pad strip to reciprocate along the filter screen 13, so that the scraping pad strip is convenient for cleaning the accumulated matters on the filter screen 13.

When the scraping pad 342 needs to be replaced, the locking bar 3431 is slid in a direction away from the locking groove 3421, so that the locking bar 3431 is separated from the locking groove 3421, and the locking of the scraping pad 342 and the scraping plate 341 is released, so that the scraping pad 342 is convenient to replace.

When the scraping plate 23 needs to be replaced, the clamping block 231 is rotated in the direction of being separated from the groove 221, and when the clamping block 231 is separated from the groove 221, the clamping block 231 is separated from the rotating shaft 22, so that the scraping plate 23 is convenient to replace.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a drainage pump station, includes device main part (1), device main part (1) include water storage portion (11), pump house (12) and filter screen (13), water storage portion (11) with pump house (12) are connected, install sewage pipe (117) in water storage portion (11), install sewage pump (121) in pump house (12), sewage pipe (117) pass pump house (12) with sewage pump (121) are connected, its characterized in that: still include clearance mechanism (2), device main part (1) still including install in water storage portion (11) with apron (14) on pump house (12) top surface, filter screen (13) install in water storage portion (11), be provided with screen cloth (1172) on sewer pipe (117), clearance mechanism (2) including set up in driving motor (21) on apron (14), be fixed in driving motor (21) output epaxial pivot (22) with install in strike off board (23) on pivot (22), pivot (22) install in water storage portion (11), strike off board (23) the top surface with screen cloth (1172) laminating mutually.

2. The drainage pump station of claim 1 wherein: the utility model discloses a scraper device for a water storage part, including installation base (112) and scraper mechanism (3) is installed on the bottom surface of water storage part (11), install mounting groove (1121) on the top surface of mounting base (112), install sliding groove (113) on the medial surface of water storage part (11), sliding groove (113) with mounting groove (1121) are linked together, filter screen (13) slide set up in mounting groove (1121) with in sliding groove (113), install scraper mechanism (3) on water storage part (11), scraper mechanism (3) including set up in double-end motor (31) on water storage part (11), set up in worm (32) on the output shaft of double-end motor (31), set up reciprocal lead screw (33) in water storage part (11) and be used for scraping scraper assembly (34) of deposit on filter screen (13), reciprocal lead screw (33) are close to one end of worm (32) is provided with (331), worm wheel (331) with worm wheel (32) mesh, reciprocal cooperation on lead screw (33) install on screw assembly (33) screw nut (34).

3. A drainage pump station according to claim 2, wherein: the water storage part (11) is far away from the inner side surface of the double-headed motor (31) and is provided with a containing groove (116), the reciprocating screw rod (33) is inserted into the containing groove (116), the side wall of the containing groove (116) is provided with a mounting ring groove (1161), the reciprocating screw rod (33) is fixedly provided with a limiting block (333), and the limiting block (333) is slidably arranged in the mounting ring groove (1161).

4. A drainage pump station according to claim 2, wherein: the scraping assembly (34) comprises a scraping plate (341), a scraping filler strip (342) and a clamping piece (343), wherein the scraping filler strip (342) is installed on the scraping plate (341), the scraping plate (341) is connected with the nut seat (332), and the scraping filler strip (342) is attached to the filter screen (13).

5. The drainage pump station of claim 4 wherein: the side of scraper (341) has been seted up and has been slided hole (3411), the side of striking off filler strip (342) has been seted up draw-in groove (3421), joint spare (343) include one end can insert locate draw-in bar (3431) in draw-in groove (3421), draw-in bar (3431) slide set up in slided hole (3411).

6. The drainage pump station of claim 5 wherein: the sliding device is characterized in that a blocking groove (3412) is formed in the side wall of the sliding hole (3411), a stop block (3432) is arranged on the clamping rod (3431), the stop block (3432) is arranged in the blocking groove (3412) in a sliding mode, a spring (3413) is arranged in the blocking groove (3412), one end of the spring (3413) is in contact with the side face, away from the clamping groove (3421), of the stop block (3432), and the other end of the spring (3413) is in contact with the side wall, away from the clamping groove (3421), of the blocking groove (3412).

7. The drainage pump station of claim 4 wherein: the side of mount pad (112) is provided with slide rail (1122), be provided with slider (3414) on scraper blade (341), slider (3414) slip set up in on slide rail (1122).

8. The drainage pump station of claim 1 wherein: the side of the rotating shaft (22) is provided with a groove (221), the scraping plate (23) is provided with a clamping block (231), and the clamping block (231) is in threaded connection with the inner peripheral wall of the groove (221).