CN112619223A

CN112619223A - Waste water draw-out device for garden engineering

Info

Publication number: CN112619223A
Application number: CN202011485766.5A
Authority: CN
Inventors: 沈金凤
Original assignee: Hefei Xiangqing Landscape Design Co ltd
Current assignee: Hefei Xiangqing Landscape Design Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-09

Abstract

The invention discloses a wastewater extraction device for garden engineering, and particularly relates to the technical field of garden wastewater extraction equipment. According to the invention, the shaking mechanism is arranged between the two ends of the bottom at the inner side of the shell, when sewage falls onto the gauze from the filter plate, the first variable frequency motors drive the rotary tables in the grooves at the two sides to rotate, and the first variable frequency motors at the two ends tighten the relaxation ropes in different rhythms, so that the gauze can perform secondary filtration on the fine sand and stones from head to foot, and the maximization of the sewage purification degree can be realized in a double-filtration mode.

Description

Waste water draw-out device for garden engineering

Technical Field

The invention relates to the technical field of garden waste water extraction equipment, in particular to a waste water extraction device for garden engineering.

Background

At present, garden engineering is very careful to laying and burying cloth of underground pipelines, a launching wellhead is usually arranged at a low-lying position of trees and grasses, rainwater and scoured soil are led to a sewage pool for centralized management, the trees are pumped to other positions by specific pumping equipment after the trees and the grasses are full of water for filtration, sedimentation and recycling, the former pumping equipment is easy to block and cannot clean sludge inside the sewage pool, and therefore the device is not suitable for use in the early stage, and new development is urgently needed to meet the high demand of garden engineering at present.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:

(1) the traditional wastewater extraction device for garden engineering lacks a mechanism for crushing and dredging, so that the mixture in a sewage pool cannot be completely cleaned;

(2) the traditional wastewater extraction device for garden engineering only has a single filtering mechanism, has poor filtering effect, and is easy to cause blockage if a plurality of fine silt is deposited in a pipeline;

(3) the traditional waste water extraction device for garden engineering is difficult to discharge internally filtered mud blocks and residues to the outer side of the shell, and is very laborious to clean;

(4) the traditional wastewater extraction device for garden engineering has a certain length of a water inlet pipe, and is difficult to adjust, so that wastewater in various deep pools cannot be extracted;

(5) traditional waste water draw-out device for garden engineering lacks and carries out spacing fixed structure to the extraction water pipe, and the vibrations that the water pump sent when the function easily make its skew dislocation and cause the damage.

Disclosure of Invention

The invention aims to provide a waste water extraction device for garden engineering, which aims to solve the problem that a crushing and dredging mechanism is lacked in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a waste water extraction device for garden engineering comprises a shell, a water outlet pipe, a water suction pump and a water feeding pipe, wherein the bottom end of one side of the shell is fixedly connected with the water outlet pipe, a shaking mechanism is arranged between two ends of the bottom of the inner side of the shell, a residue filtering mechanism is arranged at the top end of the inner side of the shell, the top end of the other side of the shell is fixedly connected with the water suction pump, the output end of the water suction pump is fixedly connected with the water feeding pipe, the bottom end of the water feeding pipe is fixedly connected with a fixing plate, a sewer pipe is arranged at the bottom end of the fixing plate, a lifting structure is arranged between the fixing plate and the sewer pipe, a connecting block is fixedly connected between the shell and one side of;

the crushing mechanism comprises a frame body, the frame body is fixedly connected to the bottom end of the sewer pipe, two sides of the frame body are respectively and movably hinged with an iron wire frame, two groups of bolts are respectively and movably connected between the iron wire frame and the bottoms of two ends of the frame body, an opposite stirring rod is movably connected between two ends of the inner side of the frame body, and one end of the opposite stirring rod penetrates through the frame body and is fixedly connected with a servo motor.

Preferably, the shaking mechanism comprises first inverter motor, recess, leading wheel, gauze, rope and carousel, the recess sets up respectively in the inside two sections both sides in bottom of casing, the inside bottom of recess swing joint respectively has the carousel, and the first inverter motor of inner wall fixedly connected with of casing is passed to one side of carousel, the inside top of recess swing joint respectively has the leading wheel, and swing joint has the rope between leading wheel and the carousel, fixedly connected with gauze between the one end of rope.

Preferably, the width of the guide wheel and the width of the rotary disc are both smaller than the inner width of the groove, and the guide wheel and the rotary disc are symmetrically distributed around the vertical middle line of the shell.

Preferably, filter residue mechanism comprises filter frame, drainage tube, horizontal screw rod, spacing groove, slider, brush section of thick bamboo, second inverter motor and filter plate, filter frame difference fixed connection is at the both ends at casing outside top, fixedly connected with drainage tube between filter frame and the casing, filter plate fixed connection is on the inside top of casing, the both sides of filter plate are provided with the spacing groove respectively, and the inside of spacing groove is provided with horizontal screw rod, the outside swing joint of horizontal screw rod has the slider, and swing joint has a brush section of thick bamboo between one side of slider, the inner wall fixedly connected with second inverter motor of casing is passed to the one end of horizontal screw rod.

Preferably, the transverse screw is embedded in the slide block, and the transverse screw and the slide block are in the same horizontal plane.

Preferably, elevation structure comprises vertical screw rod, master gear, bottom plate, bellows, thread bush and pinion, master gear swing joint is in the inside intermediate position department of fixed plate, pinion swing joint is respectively in the inside both sides of fixed plate, the inside fixedly connected with thread bush of pinion, and the inside swing joint of thread bush has vertical screw rod, through axle sleeve fixedly connected with bottom plate between the bottom of vertical screw rod, and the bottom plate passes fixedly connected with bellows between master gear and the upper hose.

Preferably, the longitudinal screw and the bottom plate are in the same vertical plane.

Preferably, the fastening structure comprises plate, knob, set screw, rotary drum, tooth piece and chain, the plate is fixed connection respectively in the inside both sides of connecting block, swing joint has five groups of rotary drums between the inside both sides of plate, and the inside swing joint of rotary drum has set screw, the outside fixedly connected with tooth piece of rotary drum, top swing joint between the inside both sides of plate has the knob, and swing joint has the chain between knob and the rotary drum.

Preferably, the set screw is embedded in the interior of the drum, and the set screw and the drum are arranged in a concentric circle.

Preferably, the positioning screws and the rotating cylinder are respectively arranged in the plate at equal intervals.

Compared with the prior art, the invention has the beneficial effects that: the wastewater extraction device for garden engineering realizes not only the sludge at the bottom of the crushing tank, the double filtration, the convenient cleaning of residues in the shell, the adjustment of the length of the extraction water pipe, but also the positioning of the water pipe;

(1) the bottom end of the sewer pipe is provided with the crushing mechanism, the crushing mechanism comprises a frame body, iron wire frames on two sides of the frame body are closed and fixed by bolts, then a servo motor is started, sludge accumulated at the bottom of the sewage pool is crushed by rotating opposite stirring rods, and the fine sundries can be conveyed to the inside of the shell through the sewer pipe for subsequent treatment by matching with a powerful water pump at the top end of the upper pipe, so that the sewage pool is comprehensively cleaned and extracted;

(2) the shaking mechanism is arranged between the two ends of the bottom of the inner side of the shell and consists of a first variable frequency motor, a groove, a guide wheel, a gauze, ropes and a turntable, when sewage falls onto the gauze from the filter plate, the turntable in the grooves at the two sides is driven by the first variable frequency motor to rotate, and the rhythms of the first variable frequency motors at the two ends for tightening and loosening the ropes are different, so that the gauze can perform secondary filtration on coming and going fine sand stones at high and low positions, and the maximization of the sewage purification degree can be realized in a double-filtration mode;

(3) the filter residue mechanism is arranged at the top end inside the shell and consists of a filter frame, a drainage tube, a transverse screw, a limiting groove, a sliding block, a brush cylinder, a second variable frequency motor and a filter plate, when a sewage mixture is lifted to the top end inside the shell, the second variable frequency motor is started, and when the transverse screw rotates, residues left on the filter plate are hung and swept to the filter frames at two ends by the brush cylinder movably connected with the sliding block between two sides of the transverse screw, so that workers can clean the filter frames, and residual water returns to the inside of the shell from the drainage tube to be filtered for the second time, so that the filter residue mechanism is very convenient and fast;

(4) the lifting structure is arranged between the fixed plate and the sewer pipe and consists of longitudinal screws, a main gear, a bottom plate, a corrugated pipe, a threaded sleeve and a pinion, the main gear which is movable at one end of the fixed plate is stirred, so that the two sides of the main gear and the pinion which is meshed and connected with the main gear rotate in opposite directions at the same time, the bottom plate which is fixed by the two longitudinal screws is guided by the threaded sleeve which rotates at the inner center to lift, and the corrugated pipe can be stretched until the sewer pipe penetrates into the bottom end of the sewage pool so as to crush sludge and extract a mixture, and the purpose of adjusting the length of the sewer pipe;

(5) through be provided with fastening structure respectively in the inside both sides of connecting block, fastening structure is by the plate, the knob, set screw, the rotary drum, tooth piece and chain are constituteed, insert the plate of connecting block bottom respectively in the inside and outside both sides of sewage pool wall, the knob of difference tie both sides, it is rotatory together with swing joint's chain drives the rotary drum of surface covering tooth piece, then its inside set screw alright the syntropy carries out the centre gripping to the cell body inner wall simultaneously fixed, avoid making the water pipe pine take off to produce the skew because of the vibrations that the extraction produced.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of a cross-sectional structure of the dithering mechanism of the present invention;

FIG. 3 is a schematic top sectional view of the residue filtering mechanism of the present invention;

FIG. 4 is a front view of the lifting structure of the present invention;

FIG. 5 is a schematic top sectional view of the lifting structure of the present invention;

FIG. 6 is a schematic front sectional view of the fastening structure of the present invention;

fig. 7 is a side view of the frame of the present invention.

In the figure: 1. a housing; 2. a water outlet pipe; 3. a shaking mechanism; 301. a first variable frequency motor; 302. a groove; 303. a guide wheel; 304. a screen; 305. a rope; 306. a turntable; 4. a residue filtering mechanism; 401. a filter frame; 402. a drainage tube; 403. a transverse screw; 404. a limiting groove; 405. a slider; 406. a brush cylinder; 407. a second variable frequency motor; 408. filtering the plate; 5. a water pump; 6. connecting blocks; 7. a lifting structure; 701. a longitudinal screw; 702. a main gear; 703. a base plate; 704. a bellows; 705. a threaded sleeve; 706. a pinion gear; 8. a water feeding pipe; 9. a fixing plate; 10. a fastening structure; 1001. a plate block; 1002. a knob; 1003. a set screw; 1004. a rotating drum; 1005. a tooth block; 1006. a chain; 11. a sewer pipe; 12. a frame body; 13. an opposite stirring rod; 14. a bolt; 15. an iron wire frame; 16. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-7, a wastewater extraction device for garden engineering comprises a housing 1, a water outlet pipe 2, a water pump 5 and a water supply pipe 8, wherein the water outlet pipe 2 is fixedly connected to the bottom end of one side of the housing 1, a shaking mechanism 3 is arranged between the two ends of the bottom of the inner side of the housing 1, a residue filtering mechanism 4 is arranged at the top end of the interior of the housing 1, the water pump 5 is fixedly connected to the top end of the other side of the housing 1, the type of the water pump 5 can be XC-SB-01, the water supply pipe 8 is fixedly connected to the output end of the water pump 5, the fixing plate 9 is fixedly connected to, a lower water pipe 11 is arranged at the bottom end of the fixed plate 9, a lifting structure 7 is arranged between the fixed plate 9 and the lower water pipe 11, a connecting block 6 is fixedly connected between the shell 1 and one side of the fixed plate 9, fastening structures 10 are respectively arranged on two sides inside the connecting block 6, and a crushing mechanism is arranged at the bottom end of the sewer pipe 11;

referring to fig. 1-7, the wastewater extraction device for garden engineering further comprises a crushing mechanism, the crushing mechanism comprises a frame body 12, the frame body 12 is fixedly connected to the bottom end of the sewer pipe 11, two sides of the frame body 12 are respectively and movably hinged with an iron wire frame 15, two groups of bolts 14 are respectively and movably connected between the iron wire frame 15 and the bottoms of two ends of the frame body 12, an opposite stirring rod 13 is movably connected between two ends of the inner side of the frame body 12, one end of the opposite stirring rod 13 penetrates through the frame body 12 and is fixedly connected with a servo motor 16, and the type of the servo motor 16 can be YX3-100L 1;

specifically, as shown in fig. 1 and 7, the wire frames 15 on both sides of the frame 12 are closed and fixed by bolts 14, then the servo motor 16 is started to crush the sludge accumulated at the bottom of the sewage pool by the rotating opposite stirring rods 13, and the fine impurities can be sent to the inside of the housing 1 through the sewer pipe 11 for subsequent treatment by matching with the powerful water pump 5 at the top end of the water feeding pipe 8, so as to realize comprehensive cleaning and extraction of the sewage pool.

Example 2: the shaking mechanism 3 comprises a first variable frequency motor 301, a groove 302, a guide wheel 303, a gauze 304, a rope 305 and a turntable 306, wherein the groove 302 is respectively arranged at two sides of two sections of the bottom end in the shell 1, the bottom end in the groove 302 is respectively and movably connected with the turntable 306, one side of the turntable 306 penetrates through the inner wall of the shell 1 and is fixedly connected with the first variable frequency motor 301, the model of the first variable frequency motor 301 can be YVF-801-4P, the top end in the groove 302 is respectively and movably connected with the guide wheel 303, the rope 305 is movably connected between the guide wheel 303 and the turntable 306, and the gauze 304 is fixedly connected between one ends of the rope 305;

the widths of the guide wheel 303 and the turntable 306 are both smaller than the inner width of the groove 302, and the guide wheel 303 and the turntable 306 are symmetrically distributed around the vertical middle line of the shell 1;

specifically, as shown in fig. 1 and fig. 2, when sewage falls onto the gauze 304 from the filter plate 408, the first inverter motor 301 drives the rotating discs 306 in the grooves 302 on both sides to rotate, and the rhythms of the first inverter motors 301 at both ends tightening the relaxation ropes 305 are different, so that the gauze 304 can perform secondary filtration on the coming and going fine sand and stones at high and low levels, and the maximization of the sewage purification degree can be realized in a double filtration manner.

Example 3: the filter residue mechanism 4 comprises a filter frame 401, a drainage tube 402, a transverse screw 403, a limiting groove 404, a sliding block 405, a brush cylinder 406, a second variable frequency motor 407 and a filter plate 408, wherein the filter frame 401 is respectively and fixedly connected with two ends of the top of the outer side of the shell 1, the drainage tube 402 is fixedly connected between the filter frame 401 and the shell 1, the filter plate 408 is fixedly connected with the top end of the inner part of the shell 1, the limiting grooves 404 are respectively arranged on two sides of the filter plate 408, the transverse screw 403 is arranged in the limiting groove 404, the sliding block 405 is movably connected on the outer side of the transverse screw 403, the brush cylinder 406 is movably connected between one side of the sliding block 405, one end of the transverse screw 403 penetrates through the inner wall of the shell 1 and is fixedly connected with the second variable frequency;

the transverse screw 403 is embedded in the slide block 405, and the transverse screw 403 and the slide block 405 are positioned on the same horizontal plane;

specifically, as shown in fig. 1 and 3, after the sewage mixture is lifted to the top end inside the housing 1, the second inverter motor 407 is started, and while the transverse screw 403 rotates, the brush drum 406 movably connected with the slide block 405 between the two sides thereof hangs and sweeps the residue left on the filter plate 408 to the filter frames 401 at the two ends, so that the residue can be conveniently cleaned by the staff, and the residual water returns to the inside of the housing 1 from the drainage tube 402 for secondary filtration, which is very convenient.

Example 4: the lifting structure 7 consists of a longitudinal screw 701, a main gear 702, a bottom plate 703, a corrugated pipe 704, a threaded sleeve 705 and a pinion 706, wherein the main gear 702 is movably connected at the middle position inside the fixed plate 9, the pinions 706 are respectively and movably connected at two sides inside the fixed plate 9, the threaded sleeve 705 is fixedly connected inside the pinion 706, the longitudinal screw 701 is movably connected inside the threaded sleeve 705, the bottom end of the longitudinal screw 701 is fixedly connected with the bottom plate 703 through a shaft sleeve, and the corrugated pipe 704 is fixedly connected between the main gear 702 and the upper water pipe 8 after the bottom plate 703 passes through the main gear 701;

the longitudinal screw 701 and the bottom plate 703 are in the same vertical plane;

specifically, as shown in fig. 1, 4 and 5, the main gear 702 movable at one end of the fixed plate 9 is shifted to make the two sides rotate in opposite directions with the pinion 706 engaged with the main gear, and the bottom plate 703 fixed by the two longitudinal screws 701 is guided to lift by the threaded sleeve 705 rotating at the inner center, so that the corrugated pipe 704 can be stretched until the sewer pipe 11 goes deep into the bottom end of the sewage tank for sludge crushing and mixture extraction, and the purpose of adjusting the length of the sewer pipe is achieved.

Example 5: the fastening structure 10 comprises a plate 1001, a knob 1002, a positioning screw 1003, a rotary drum 1004, a tooth block 1005 and a chain 1006, wherein the plate 1001 is fixedly connected to two sides inside the connecting block 6 respectively, five groups of rotary drums 1004 are movably connected between two sides inside the plate 1001, the positioning screw 1003 is movably connected inside the rotary drum 1004, the tooth block 1005 is fixedly connected to the outer side of the rotary drum 1004, the knob 1002 is movably connected to the top end between two sides inside the plate 1001, and the chain 1006 is movably connected between the knob 1002 and the rotary drum 1004;

the set screw 1003 is embedded in the drum 1004, and the set screw 1003 and the drum 1004 are arranged in a concentric circle;

the positioning screws 1003 and the rotary drum 1004 are respectively arranged in the plate 1001 at equal intervals;

specifically, as shown in fig. 1 and 6, the plate 1001 at the bottom end of the connecting block 6 is respectively inserted into the inner side and the outer side of the sewage tank wall, the knobs 1002 at the two sides are respectively twisted, the chain 1006 of the movable connection drives the rotating drum 1004 with the surface covering the tooth block 1005 to rotate together, and then the positioning screws 1003 inside the connecting block can simultaneously clamp and fix the inner wall of the tank body in the same direction, so that the water pipe is prevented from being loosened and offset due to vibration generated by extraction.

The working principle is as follows: when the sewage treatment device is used, firstly, the iron wire frames 15 on the two sides of the frame body 12 are closed and fixed through the bolts 14, then the servo motor 16 is started, the sludge accumulated at the bottom of the sewage pool is crushed through the rotating opposite stirring rods 13, and the fine impurities can be completely conveyed into the shell body 1 through the sewer pipe 11 for subsequent treatment by matching with the powerful water suction pump 5 at the top end of the upper water pipe 8, so that the sewage pool can be comprehensively cleaned and extracted.

Afterwards, insert the inside and outside both sides at the sewage pool wall respectively with the plate 1001 of connecting block 6 bottom, the knob 1002 of both sides is twisted respectively to swing joint's chain 1006 drives the rotary drum 1004 of surface covering tooth piece 1005 rotatory together, and then its inside set screw 1003 alright equidirectional carries out the centre gripping simultaneously to the cell body inner wall fixed, avoids making the water pipe pine take off the production skew because of the vibrations that the extraction produced.

Then, the main gear 702 at one end of the fixing plate 9 is shifted to make the two sides rotate in opposite directions with the pinion 706 meshed with the main gear, and the bottom plate 703 fixed by the two longitudinal screws 701 is guided to lift by the thread sleeve 705 rotating at the inner center, so that the corrugated pipe 704 can be stretched until the sewer pipe 11 goes deep into the bottom end of the sewage pool for sludge crushing and mixture extraction, and the purpose of adjusting the length of the water pipe is achieved.

Moreover, after the sewage mixture is lifted to the top end inside the shell 1, the second variable frequency motor 407 is started, and when the transverse screw 403 rotates, the brush drum 406 movably connected with the slide block 405 between the two sides of the transverse screw hangs and sweeps residues left on the filter plate 408 into the filter frames 401 at the two ends, so that the filter frames can be cleaned by workers, and the residual water returns to the inside of the shell 1 from the drainage tube 402 to be filtered for the second time, which is very convenient.

Finally, when sewage falls onto the gauze 304 from the filter plate 408, the first variable frequency motor 301 drives the rotating discs 306 in the grooves 302 at two sides to rotate, and the first variable frequency motors 301 at two ends of the rotating discs are different in tightening rhythm of the relaxation ropes 305, so that the gauze 304 can perform secondary filtration on the fine sand and stones in the coming and going directions one by one, and the maximization of the sewage purification degree can be realized in a double-filtration mode.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a waste water draw-out device for garden engineering, includes casing (1), outlet pipe (2), suction pump (5) and last water pipe (8), its characterized in that: a water outlet pipe (2) is fixedly connected with the bottom end of one side of the shell (1), a shaking mechanism (3) is arranged between the two ends of the bottom of the inner side of the shell (1), a residue filtering mechanism (4) is arranged at the top end inside the shell (1), a water suction pump (5) is fixedly connected at the top end of the other side of the shell (1), the output end of the water suction pump (5) is fixedly connected with a water feeding pipe (8), the bottom end of the water feeding pipe (8) is fixedly connected with a fixing plate (9), a sewer pipe (11) is arranged at the bottom end of the fixed plate (9), a lifting structure (7) is arranged between the fixed plate (9) and the sewer pipe (11), a connecting block (6) is fixedly connected between the shell (1) and one side of the fixing plate (9), fastening structures (10) are respectively arranged on two sides inside the connecting block (6), and a crushing mechanism is arranged at the bottom end of the downcomer (11);

the crushing mechanism comprises a frame body (12), wherein the frame body (12) is fixedly connected to the bottom end of a sewer pipe (11), two sides of the frame body (12) are respectively and movably hinged with an iron wire frame (15), two groups of bolts (14) are respectively and movably connected between the iron wire frame (15) and the bottoms of the two ends of the frame body (12), opposite stirring rods (13) are movably connected between the two ends of the inner side of the frame body (12), and one ends of the opposite stirring rods (13) penetrate through the frame body (12) and are fixedly connected with a servo motor (16).

2. The waste water draw-off device for garden engineering according to claim 1, characterized in that: jitter mechanism (3) comprise first inverter motor (301), recess (302), leading wheel (303), gauze (304), rope (305) and carousel (306), recess (302) sets up respectively in the two sections both sides of the inside bottom of casing (1), the inside bottom of recess (302) swing joint respectively has carousel (306), and the first inverter motor (301) of inner wall fixedly connected with of casing (1) is passed to one side of carousel (306), the inside top of recess (302) swing joint respectively has leading wheel (303), and swing joint has rope (305) between leading wheel (303) and carousel (306), fixedly connected with gauze (304) between the one end of rope (305).

3. The waste water draw-off device for garden engineering according to claim 2, characterized in that: the width of the guide wheel (303) and the width of the rotary disc (306) are both smaller than the inner width of the groove (302), and the guide wheel (303) and the rotary disc (306) are symmetrically distributed around the vertical middle line of the shell (1).

4. The waste water draw-off device for garden engineering according to claim 1, characterized in that: the residue filtering mechanism (4) consists of a filter frame (401), a drainage tube (402), a transverse screw (403), a limiting groove (404), a slide block (405), a brush cylinder (406), a second variable frequency motor (407) and a filter plate (408), the filter frames (401) are respectively and fixedly connected with the two ends of the top of the outer side of the shell (1), a drainage tube (402) is fixedly connected between the filter frame (401) and the shell (1), the filter plate (408) is fixedly connected with the top end inside the shell (1), two sides of the filter plate (408) are respectively provided with a limit groove (404), a transverse screw (403) is arranged in the limiting groove (404), a sliding block (405) is movably connected with the outer side of the transverse screw (403), and a brush barrel (406) is movably connected between one sides of the sliding blocks (405), and one end of the transverse screw rod (403) penetrates through the inner wall of the shell (1) and is fixedly connected with a second variable frequency motor (407).

5. The waste water draw-off device for garden engineering according to claim 4, characterized in that: the transverse screw (403) is embedded in the sliding block (405), and the transverse screw (403) and the sliding block (405) are in the same horizontal plane.

6. The waste water draw-off device for garden engineering according to claim 1, characterized in that: the lifting structure (7) comprises a longitudinal screw (701), a main gear (702), a bottom plate (703), a corrugated pipe (704), a threaded sleeve (705) and a pinion (706), wherein the main gear (702) is movably connected to the middle position inside a fixing plate (9), the pinion (706) is respectively and movably connected to two sides inside the fixing plate (9), the threaded sleeve (705) is fixedly connected to the inside of the pinion (706), the longitudinal screw (701) is movably connected to the inside of the threaded sleeve (705), the bottom plate (703) is fixedly connected to the bottom end of the longitudinal screw (701) through a shaft sleeve, and the corrugated pipe (704) is fixedly connected to the bottom plate (703) through the position between the main gear (702) and an upper water pipe (8).

7. The waste water draw-off device for garden engineering according to claim 6, characterized in that: the longitudinal screw (701) and the bottom plate (703) are positioned on the same vertical plane.

8. The waste water draw-off device for garden engineering according to claim 1, characterized in that: fastening structure (10) comprises plate (1001), knob (1002), set screw (1003), rotary drum (1004), tooth piece (1005) and chain (1006), plate (1001) fixed connection is respectively in the inside both sides of connecting block (6), swing joint has five groups of rotary drums (1004) between the inside both sides of plate (1001), and the inside swing joint of rotary drum (1004) has set screw (1003), the outside fixedly connected with tooth piece (1005) of rotary drum (1004), top swing joint between the inside both sides of plate (1001) has knob (1002), and swing joint has chain (1006) between knob (1002) and rotary drum (1004).

9. The waste water draw-off device for garden engineering according to claim 8, characterized in that: the set screw (1003) is embedded in the interior of the rotary drum (1004), and the set screw (1003) and the rotary drum (1004) are arranged in a concentric circle.

10. The method for extracting wastewater for garden engineering according to claim 8, comprising the steps of: firstly, closing the iron wire frames 15 on the two sides of the frame body 12, fixing the iron wire frames by bolts 14, then starting the servo motor 16, crushing sludge accumulated at the bottom of the sewage pool by the rotating opposite stirring rods 13, and matching with the powerful water suction pump 5 at the top end of the water feeding pipe 8, so that the fine impurities can be completely sent to the inside of the shell 1 through the sewer pipe 11 for subsequent treatment, and the sewage pool can be comprehensively cleaned and extracted;