Cleaning and maintenance device for landscaping engineering

Abstract

The invention relates to the technical field of landscaping, and discloses a cleaning and maintaining device for landscaping engineering, comprising a water inlet pipe, the side surface of the water inlet pipe is fixedly connected with a coarse filtering mechanism, and the top end, away from the side surface of the water inlet pipe, of the coarse filtering mechanism is fixedly connected with a discharge main pipe; the bottom end, close to the side face of the water inlet pipe, of the coarse filtering mechanism is fixedly connected with a sewage discharging mechanism, and the side face, away from the water inlet pipe, of the coarse filtering mechanism is provided with a fine filtering mechanism; sewage enters the coarse filtering mechanism through the water inlet pipe, a reciprocating lead screw in the coarse filtering mechanism rotates to enable a coarse filtering plate to move up and down, impurities in water are pressed down when the coarse filtering plate moves downwards, and clean water flows to the position above the coarse filtering plate through filtering holes in the coarse filtering plate; the sewage enters the fine filtering mechanism through a main discharging pipe and a branch discharging pipe, large impurities such as dead leaves in the sewage are filtered, and a coarse filtering plate is cleaned through an ejection column, so that the filtering effect is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of gardening and greening, and more specifically to a cleaning and maintenance device for gardening and greening projects. Background Art

[0002] Gardening and greening projects are projects for building landscape gardens and green lands. Gardening and greening can provide people with a good place for rest, cultural entertainment, getting close to nature, and satisfying people's desire to return to nature. It is an important measure to protect the ecological environment and improve the urban living environment. Gardening and greening generally refers to the environmental construction projects including garden construction projects in the garden city green lands and scenic spots. Gardening and greening projects use engineering technology to express garden art, so that the engineering structures on the ground are integrated with the garden landscape. The basic components of landscape in gardening and greening projects can be divided into two categories: one is soft things, such as trees, water lights, etc.; the other is hard things, such as paving, landscape construction, etc. The water bodies of garden landscapes are set in the open air, and the water bodies will be polluted by fallen leaves or garbage. It is necessary to purify the water bodies. When purifying the water bodies, it is necessary to pump the wastewater into the purification device, purify it, and then discharge it to avoid affecting the external environment; Nowadays, when cleaning and purifying water for landscaping projects, since the water in the landscaping projects contains a lot of dead leaves, when filtering it directly, the large impurities of the dead leaves will block the filter, and the number of dead leaves is large. Even if the filter is cleaned in time, it will be blocked again in a short time. When the large impurities block the filter, it is difficult for the water to flow through the filter plate, making it impossible for the water purification device to operate normally. In the process of cleaning and purifying water in landscaping projects, the types of impurities it contains are relatively complex, so today's impurity discharge pipes are prone to blockage. When the discharge pipes are blocked, the cleaned and purified water will not meet the specified requirements. Summary of the invention

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a cleaning and maintenance device for landscaping engineering to solve the technical problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cleaning and maintenance device for a landscaping project, comprising a water inlet pipe, a coarse filtering mechanism is fixedly connected to the side of the water inlet pipe, a top end of the coarse filtering mechanism away from the side of the water inlet pipe is fixedly connected to a discharge main pipe, a bottom end of the coarse filtering mechanism close to the side of the water inlet pipe is fixedly connected to a sewage discharge mechanism, and a fine filtering mechanism is provided on the side of the coarse filtering mechanism away from the water inlet pipe; The coarse filtering mechanism comprises a water storage cylinder for holding sewage, the top end of the water storage cylinder is fixedly connected to an output motor, the bottom end of the output motor is fixedly connected to a reciprocating screw rod, the side surface of the reciprocating screw rod is threadedly connected to a lifting plate, both sides of the lifting plate are fixedly connected to connecting plates, and the bottom end of the connecting plate is fixedly connected to a coarse filtering plate.

[0005] In a preferred embodiment, the bottom end of the discharge main pipe away from the side of the coarse filtering mechanism is fixedly connected with a discharge branch pipe, the number of the discharge branch pipes is two, the two discharge branch pipes are located in the fine filtering mechanism, and the height of the entrance end of the water inlet pipe is higher than the height of the discharge main pipe.

[0006] In a preferred embodiment, an inclined panel is fixedly connected to the bottom end of the water storage cylinder, the discharge main pipe is located at the bottom end of the inclined surface of the inclined panel, and when the coarse filter plate reciprocates, the water inlet end of the water inlet pipe is always located below the coarse filter plate, and a support plate is fixedly connected to the top end of the inner wall of the water storage cylinder, and the discharge main pipe is located above the support plate.

[0007] In a preferred embodiment, the bottom end of the support plate is fixedly connected with an ejector column, the ejector column is adapted to the filter hole opened in the coarse filter plate, the bottom end of the ejector column is provided with a rounded corner, and the inside of the support plate is provided with an avoidance groove for water and the connecting plate to pass through.

[0008] In a preferred embodiment, the sewage discharge mechanism includes a sewage discharge channel for discharging impurities, the top of the sewage discharge channel is fixedly connected to a fixed shaft, the side of the fixed shaft is movably sleeved with a magnetic plate, the side of the magnetic plate is fixedly connected to a sealing plate, the bottom end of the side of the water storage cylinder is provided with a sewage discharge port, the sealing plate seals the sewage discharge port of the water storage cylinder, the two sides of the magnetic plate are movably connected with magnetic blocks, and the sides of the magnetic blocks are fixedly connected to the inside of the sewage discharge channel.

[0009] In a preferred embodiment, the magnetic plate is fixedly connected to a side surface away from the water storage cylinder with an arc column, the top end of the arc column is movably connected to a limiting arc rod, and the top end of the arc column is provided with an avoidance groove for the limiting arc rod to move, the side surface of the limiting arc rod is movably sleeved with an arc spring, the bottom end of the arc spring is in contact with the top end of the arc column, the side surface of the arc spring is provided with an arc tube, the inside of the arc tube is provided with an avoidance groove for the arc column to move, and the side of the limiting arc rod and the arc tube away from the arc column are fixedly connected to the side surface of the water storage cylinder.

[0010] In a preferred embodiment, the fine filtering mechanism includes a containing box for receiving water discharged from the discharge branch pipe, a fine filter plate is fixedly connected to the interior of the containing box, a servo motor is fixedly connected to the side of the containing box, a threaded rod is fixedly connected to the side of the servo motor, a movable plate is threadedly connected to the side of the threaded rod, and the discharge position of the discharge branch pipe is located between the threaded rod and the fine filter plate.

[0011] In a preferred embodiment, the movable plate is internally movably connected with a limit rod, and both sides of the limit rod are fixedly connected to the inside of the containing box, and the middle part of the movable plate away from the servo motor side is fixedly connected with a support rod, and the side of the support rod is movably sleeved with a scraper, and the bottom end of the scraper is in contact with the top end of the fine filter plate, the fine filter plate, the threaded rod and the limit rod all form an angle of ten degrees with the horizontal direction, and the side of the fine filter plate away from the servo motor is provided with a mud storage tank.

[0012] Technical effects and advantages of the present invention: The sewage of the present invention enters the coarse filtering mechanism through the water inlet pipe, and the reciprocating screw in the coarse filtering mechanism rotates to make the coarse filtering plate move up and down. When the coarse filtering plate moves downward, the impurities in the water are pressed down, and the clean water flows to the top of the coarse filtering plate through the filtering holes on the coarse filtering plate, and enters the fine filtering mechanism through the discharge main pipe and the discharge branch pipe, and large impurities such as dead leaves in the sewage are filtered, and the coarse filtering plate is cleaned by the ejection column to ensure the filtering effect; When there are many impurities in the water storage cylinder of the present invention, the upper side of the inclined plate is an inclined surface, so the coarse filter plate will apply pressure to the side during the downward pressing process. When there are many impurities, the pressure on the magnetic plate on the side of the water storage cylinder is greater than the sum of the magnetic attraction between the magnetic block and the magnetic plate and the elastic force of the arc spring, the magnetic plate will rotate around the fixed axis and separate from the magnetic block, and various impurities can be discharged through the sewage discharge channel. The space after the magnetic plate is opened is large enough to facilitate the discharge of various large impurities. After discharge, the force when the coarse filter plate is pressed downward is less than the sum of the magnetic attraction between the magnetic block and the magnetic plate and the elastic force of the arc spring, and the magnetic plate will reset. The water filtered by the coarse filter plate of the present invention will be discharged to the top of the fine filter plate through the discharge main pipe and the discharge branch pipe, and the water above the fine filter plate will be filtered through the filter holes of the fine filter plate. When the threaded rod rotates, the movable plate moves, and when the movable plate moves, the scraper moves to scrape the impurities filtered above the fine filter plate into the mud storage tank for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the coarse filtering mechanism of the present invention; Figure 3It is a schematic diagram of the overall structure of the coarse filtering mechanism of the present invention; Figure 4 It is a schematic diagram of the internal structure of the water storage cylinder of the present invention; Figure 5 It is a schematic diagram of the overall structure of the sewage discharge mechanism of the present invention; Figure 6 It is a schematic diagram of the exploded structure of the sewage discharge mechanism of the present invention; Figure 7 It is a schematic diagram of the internal structure of the arc tube of the present invention; Figure 8 It is a schematic diagram of the overall structure of the fine filtering mechanism of the present invention; Fig. 9 It is a schematic diagram of the structure of the moving plate and the scraper of the present invention.

[0014] The accompanying drawings are marked as follows: 1. water inlet pipe; 2. coarse filtering mechanism; 201. water storage cylinder; 202. inclined plate; 203. output motor; 204. reciprocating screw rod; 205. lifting plate; 206. connecting plate; 207. coarse filtering plate; 208. support plate; 209. ejector column; 3. sewage discharge mechanism; 301. sewage discharge channel; 302. magnetic block; 303. magnetic plate; 304. fixed shaft; 305. sealing plate; 306. arc column; 307. arc cylinder; 308. limit arc rod; 309. arc spring; 4. discharge main pipe; 5. discharge branch pipe; 6. fine filtering mechanism; 601. holding box; 602. fine filtering plate; 603. mud storage tank; 604. servo motor; 605. threaded rod; 606. limit rod; 607. moving plate; 608. support rod; 609. scraper. DETAILED DESCRIPTION

[0015] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are only examples. The cleaning and maintenance device for a landscaping project involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0016] Reference Figure 1 and Figure 2The present invention provides a cleaning and maintenance device for a garden greening project, comprising a water inlet pipe 1, a coarse filtering mechanism 2 is fixedly connected to the side of the water inlet pipe 1, a top end of the coarse filtering mechanism 2 away from the side of the water inlet pipe 1 is fixedly connected to a discharge main pipe 4, a bottom end of the coarse filtering mechanism 2 close to the side of the water inlet pipe 1 is fixedly connected to a sewage discharge mechanism 3, a fine filtering mechanism 6 is provided on the side of the coarse filtering mechanism 2 away from the water inlet pipe 1, a discharge branch pipe 5 is fixedly connected to the bottom end of the discharge main pipe 4 away from the side of the coarse filtering mechanism 2, the number of the discharge branch pipes 5 is two, the two discharge branch pipes 5 are located in the fine filtering mechanism 6, and the height of the entrance end of the water inlet pipe 1 is higher than the height of the discharge main pipe 4.

[0017] In the embodiment of the present application, the water inlet pipe 1 is used for the entry of sewage, and the height of the entry end is higher than the height of the discharge main pipe 4, so that water can automatically pass through the coarse filtering mechanism 2 and flow out from the discharge main pipe 4, without adding a pump to assist the flow of water, and two discharge branch pipes 5 are provided to discharge the water processed by the coarse filtering mechanism 2 into the fine filtering mechanism 6, so as to facilitate the water to flow more evenly in the fine filtering mechanism 6 and improve the filtering effect.

[0018] Reference Figure 3 and Figure 4 The coarse filtering mechanism 2 includes a water storage cylinder 201 for holding sewage, the top of the water storage cylinder 201 is fixedly connected to an output motor 203, the bottom of the output motor 203 is fixedly connected to a reciprocating screw rod 204, the side of the reciprocating screw rod 204 is threadedly connected to a lifting plate 205, both sides of the lifting plate 205 are fixedly connected to connecting plates 206, the bottom of the connecting plate 206 is fixedly connected to a coarse filtering plate 207, the bottom end of the water storage cylinder 201 is fixedly connected to an inclined plate 202, and the discharge main pipe 4 is located at the bottom end of the inclined surface of the inclined plate 202. When the coarse filter plate 207 moves back and forth, the water inlet end of the water inlet pipe 1 is always located below the coarse filter plate 207, the top of the inner wall of the water storage cylinder 201 is fixedly connected with a support plate 208, the discharge main pipe 4 is located above the support plate 208, and the bottom end of the support plate 208 is fixedly connected with an ejector column 209, the ejector column 209 is adapted to the filter hole opened in the coarse filter plate 207, the bottom end of the ejector column 209 is provided with a rounded corner, and the interior of the support plate 208 is provided with an avoidance groove for water and the connecting plate 206 to pass through.

[0019] In the embodiment of the present application, when the coarse filter plate 207 moves up and down, the coarse filter plate 207 can push down the impurities when it moves downward. At this time, the upper part of the coarse filter plate 207 is the water after coarse filtration. Since the coarse filter plate 207 will push downward, even if large impurities block the coarse filter plate 207, since it also moves downward, there will be enough force to make the water pass through the coarse filter plate 207. When the water passes through the coarse filter plate 207, it will be located on the support plate 208. The discharge pipe 4 is located above the support plate 208 and can be directly discharged through the discharge pipe 4. The water inlet end of the water inlet pipe 1 is always located below the coarse filter plate 207 to prevent the sewage from being directly discharged through the discharge pipe 4. When the coarse filter plate 207 moves upward, the coarse filter plate 207 will contact the support plate 208 when it moves to the highest point. Therefore, the ejector column 209 will enter the filter hole of the coarse filter plate 207 to clean the coarse filter plate 207, which is convenient for filtering again, and the filtering work can be automatically performed.

[0020] Reference Figure 5 , Figure 6 as well as Figure 7 The sewage discharge mechanism 3 includes a sewage discharge channel 301 for discharging impurities, the top of the sewage discharge channel 301 is fixedly connected with a fixed shaft 304, the side of the fixed shaft 304 is movably sleeved with a magnetic plate 303, the side of the magnetic plate 303 is fixedly connected with a sealing plate 305, the bottom end of the side of the water storage cylinder 201 is provided with a sewage discharge port, the sealing plate 305 seals the sewage discharge port of the water storage cylinder 201, and the two sides of the magnetic plate 303 are movably connected with magnetic blocks 302, the side of the magnetic block 302 is fixedly connected to the inside of the sewage discharge channel 301, and the magnetic plate 303 is fixedly connected away from the side of the water storage cylinder 201. There is an arc column 306, the top of which is movably connected to a limiting arc rod 308, and the top of the arc column 306 is provided with an avoidance groove for the limiting arc rod 308 to move, and the side of the limiting arc rod 308 is movably sleeved with an arc spring 309, the bottom end of the arc spring 309 is in contact with the top of the arc column 306, and the side of the arc spring 309 is provided with an arc tube 307, and the inside of the arc tube 307 is provided with an avoidance groove for the arc column 306 to move, and the side of the limiting arc rod 308 and the arc tube 307 away from the arc column 306 is fixedly connected to the side of the water storage cylinder 201.

[0021] In the embodiment of the present application, when the coarse filter plate 207 applies force downward, since the inclined plate 202 is an inclined surface, part of the downward force is changed to a lateral force. Therefore, when the force exerted on the sealing plate 305 and the magnetic plate 303 is greater than the sum of the magnetic attraction force between the magnetic plate 303 and the magnetic block 302 and the elastic force when the arc spring 309 is compressed, the sealing plate 305 will open, and the impurities can be discharged at this time. Since the magnetic plate 303 is opened as a whole, it is convenient for various large impurities to be discharged, and when discharging, the water inlet pipe 1 is located above the magnetic plate 303, and the water in the water inlet pipe 1 will be discharged directly through the magnetic plate 303, which is convenient for flushing out the impurities. When the impurities are discharged, the magnetic plate 303 will reset, so that the sealing plate 305 will seal the water storage cylinder 201 again, and the arc cylinder 307 is connected to the arc column 306, and the two will wrap the arc spring 309 to prevent the impurities from contacting the arc spring 309 and making the arc spring 309 unable to compress and rebound normally.

[0022] Reference Figure 8 and Fig. 9 The fine filtering mechanism 6 includes a holding box 601 for receiving the water discharged from the discharge branch pipe 5, a fine filtering plate 602 is fixedly connected inside the holding box 601, a servo motor 604 is fixedly connected to the side of the holding box 601, a threaded rod 605 is fixedly connected to the side of the servo motor 604, a movable plate 607 is threadedly connected to the side of the threaded rod 605, the discharge position of the discharge branch pipe 5 is located between the threaded rod 605 and the fine filtering plate 602, and the movable plate 607 is movably connected to the limit rod 60 6. Both sides of the limit rod 606 are fixedly connected to the inside of the containing box 601. The middle part of the movable plate 607 away from the servo motor 604 is fixedly connected with a support rod 608. The side of the support rod 608 is movably sleeved with a scraper 609. The bottom end of the scraper 609 contacts the top end of the fine filter plate 602. The fine filter plate 602, the threaded rod 605 and the limit rod 606 are all at an angle of ten degrees to the horizontal direction. A mud storage tank 603 is provided on the side of the fine filter plate 602 away from the servo motor 604.

[0023] In the embodiment of the present application, small impurities after being filtered by the fine filter plate 602 will remain above the fine filter plate 602, and the movable plate 607 will move back and forth. The upper part of the fine filter plate 602 is an inclined surface. When the movable plate 607 moves downward along the inclined surface, the scraper 609 moves along with the movable plate 607. At this time, the rear of the scraper 609 is restricted by the movable plate 607, so the scraper 609 cannot rotate, and the scraper 609 will scrape the impurities above the fine filter plate 602 to the storage tank. In the mud trough 603, when the movable plate 607 moves upward along the inclined surface of the fine filter plate 602, there is no restriction on the opposite direction of the movement of the scraper 609, so the scraper 609 will rotate, and the scraper 609 lags behind the movable plate 607. The scraper 609 will not fit with the side of the movable plate 607. At this time, the bottom of the scraper 609 will not contact the fine filter plate 602, avoiding scraping impurities to the bottom of the fine filter plate 602 again, and the impurities in the mud storage tank 603 can be cleaned regularly.

[0024] The working principle of the present invention is as follows: the sewage to be cleaned enters the water storage cylinder 201 in the coarse filtering mechanism 2 through the water inlet pipe 1. After the sewage enters, the output motor 203 is started and drives the reciprocating screw 204 to rotate. When the reciprocating screw 204 rotates, it drives the coarse filtering plate 207 to reciprocate in the vertical direction. The coarse filtering plate 207 will filter the impurities, and when the coarse filtering plate 207 moves downward, the impurities are pushed to the bottom of the coarse filtering plate 207. At this time, the water filtered above the coarse filtering plate 207 passes through the discharge main pipe 4 and the discharge branch pipe 5 and enters the fine filtering mechanism 6. When the coarse filtering plate 207 moves upward, it will contact the support plate 208, and the ejector column 209 will enter the filter hole of the coarse filtering plate 207 to clean the filter hole of the ejector column 209. When the coarse filter plate 207 moves downward, part of the filter holes of the coarse filter plate 207 will be blocked by large impurities. When the blocked coarse filter plate 207 moves downward again, it will exert downward pressure. In this process, since the coarse filter plate 207 exerts force downward, it gives the water enough force to pass through the coarse filter plate 207, ensuring that there is enough water above the coarse filter plate 207 to enter the discharge main pipe 4. When the coarse filter plate 207 exerts force downward, since the upper part of the inclined plate 202 is an inclined surface, part of the force will be applied to the side of the water storage cylinder 201. The side of the water storage cylinder 201 is provided with a sewage outlet, which is sealed by a sealing plate 305. The sealing force of the sealing plate 305 is maintained by the magnetic attraction between the magnetic plate 303 and the magnetic block 302 and the elastic force of the arc spring 309 when it is compressed. When there are more impurities, the force applied by the coarse filter plate 207 moving downward is greater than the sum of the magnetic attraction between the magnetic plate 303 and the magnetic block 302 and the elastic force of the arc spring 309 when it is compressed. The magnetic plate 303 will separate from the fixed shaft 304, and after the magnetic plate 303 is separated from the fixed shaft 304, the magnetic attraction will decay sharply, while the elastic force of the arc spring 309 when it is compressed will increase, but the degree of attenuation of the magnetic attraction will be greater than the degree of increase in the elastic force. The force applied downward by the coarse filter plate 207 is greater than the sum of the magnetic attraction between the magnetic plate 303 and the magnetic block 302 and the elastic force of the arc spring 309 when it is compressed. At this time, the magnetic plate 303 will drive the sealing plate 305 to rotate around the fixed shaft 304. After rotation, the coarse filter plate 207 will move downward. Various large impurities under the filter plate 207 will pass through the sewage outlet of the water storage cylinder 201 and the bottom of the magnetic plate 303 after rotation and enter the sewage channel 301 for discharge. When the impurities are discharged, the force applied by the coarse filter plate 207 when it moves downward will be smaller than the sum of the magnetic attraction between the magnetic plate 303 and the magnetic block 302 and the elastic force of the arc spring 309 when it is compressed. The arc spring 309 compressed again will reset the hungry magnetic plate 303 to drive the sealing plate 305 to rotate. As the magnetic plate 303 rotates, the magnetic repulsion between the magnetic plate 303 and the magnetic block 302 becomes larger, and finally the sealing plate 305 seals the water storage cylinder 201 again, so that regular impurity discharge can be carried out. The water after being filtered by the coarse filter plate 207 flows to the top of the fine filter plate 602, and is filtered by the fine filter plate 602. During the filtration, small impurities will remain on the top of the fine filter plate 602. At this time, the servo motor 604 drives the threaded rod 605 to rotate and causes the movable plate 607 to move back and forth. The top of the fine filter plate 602 is an inclined surface. When the movable plate 607 moves downward along the inclined surface, the scraper 609 moves with the movable plate 607. At this time, the rear of the scraper 609 is restricted by the movable plate 607, so the scraper 609 cannot rotate. The scraper 609 will scrape the impurities on the top of the fine filter plate 602 into the mud storage tank 603. The movable plate 607 moves along the inclined surface of the fine filter plate 602. When moving upward, there is no restriction on the opposite direction of the movement of the scraper 609, so the scraper 609 will rotate, and the scraper 609 lags behind the movable plate 607. The scraper 609 will not fit with the side of the movable plate 607. At this time, the bottom of the scraper 609 will not contact the fine filter plate 602, so as to avoid scraping impurities to the bottom of the fine filter plate 602 again. The impurities in the mud storage tank 603 can be cleaned regularly, and the clean water after filtering by the fine filter plate 602 will be discharged through the discharge pipe located below the fine filter plate 602. Discharging the filtered water through the pipe is a prior art means in the field, and the present application does not make a detailed limitation on its structure. The discharge pipe can be located below the fine filter plate 602.

[0025] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cleaning and maintenance device for a landscaping project, comprising a water inlet pipe (1), characterized in that: A coarse filtering mechanism (2) is fixedly connected to the side of the water inlet pipe (1); a top end of the coarse filtering mechanism (2) away from the side of the water inlet pipe (1) is fixedly connected to a discharge main pipe (4); a bottom end of the coarse filtering mechanism (2) close to the side of the water inlet pipe (1) is fixedly connected to a sewage discharge mechanism (3); a side of the coarse filtering mechanism (2) away from the water inlet pipe (1) is provided with a fine filtering mechanism (6); the coarse filtering mechanism (2) comprises a water storage cylinder (201) capable of containing sewage; an output motor (203) is fixedly connected to the top of the water storage cylinder (201); a reciprocating screw rod (204) is fixedly connected to the bottom of the output motor (203); a lifting plate (205) is threadedly connected to the side of the reciprocating screw rod (204); connecting plates (206) are fixedly connected to both sides of the lifting plate (205); and a coarse filtering plate (207) is fixedly connected to the bottom of the connecting plate (206).

2. A cleaning and maintenance device for landscaping engineering according to claim 1, characterized in that: A discharge branch pipe (5) is fixedly connected to the bottom end of the discharge main pipe (4) away from the side of the coarse filtering mechanism (2), the number of the discharge branch pipes (5) is two, the two discharge branch pipes (5) are located in the fine filtering mechanism (6), and the height of the entrance end of the water inlet pipe (1) is higher than the height of the discharge main pipe (4).

3. The cleaning and maintenance device for landscaping engineering according to claim 1, characterized in that: The bottom end of the water storage cylinder (201) is fixedly connected to an inclined plate (202), the main discharge pipe (4) is located at the bottom end of the inclined surface of the inclined plate (202), when the coarse filter plate (207) moves back and forth, the water inlet end of the water inlet pipe (1) is always located below the coarse filter plate (207), the top end of the inner wall of the water storage cylinder (201) is fixedly connected to a support plate (208), and the main discharge pipe (4) is located above the support plate (208).

4. A cleaning and maintenance device for landscaping engineering according to claim 3, characterized in that: The bottom end of the support plate (208) is fixedly connected to an ejector column (209), the ejector column (209) being compatible with the filter hole provided in the coarse filter plate (207), the bottom end of the ejector column (209) being provided with a rounded corner, and the inside of the support plate (208) being provided with an avoidance groove for water and the connection plate (206) to pass through.

5. The cleaning and maintenance device for landscaping engineering according to claim 1, characterized in that: The sewage discharge mechanism (3) comprises a sewage discharge channel (301) for discharging impurities, the top of the sewage discharge channel (301) being fixedly connected to a fixed shaft (304), the side of the fixed shaft (304) being movably sleeved with a magnetic plate (303), the side of the magnetic plate (303) being fixedly connected to a sealing plate (305), the bottom of the side of the water storage cylinder (201) being provided with a sewage discharge port, the sealing plate (305) sealing the sewage discharge port of the water storage cylinder (201), the two sides of the magnetic plate (303) being movably connected to magnetic blocks (302), the side of the magnetic block (302) being fixedly connected to the inside of the sewage discharge channel (301).

6. A cleaning and maintenance device for landscaping engineering according to claim 5, characterized in that: The side of the magnetic plate (303) away from the water storage cylinder (201) is fixedly connected to an arc column (306); the top of the arc column (306) is movably connected to a limit arc rod (308); the top of the arc column (306) is provided with a position-avoiding groove for the limit arc rod (308) to move; the side of the limit arc rod (308) is movably sleeved with an arc spring (309); the bottom of the arc spring (309) is in contact with the top of the arc column (306); the side of the arc spring (309) is provided with an arc cylinder (307); the inside of the arc cylinder (307) is provided with a position-avoiding groove for the arc column (306) to move; the side of the limit arc rod (308) and the arc cylinder (307) away from the arc column (306) are fixedly connected to the side of the water storage cylinder (201).

7. The cleaning and maintenance device for landscaping engineering according to claim 1, characterized in that: The fine filtering mechanism (6) comprises a containing box (601) for receiving water discharged from the discharge branch pipe (5); a fine filtering plate (602) is fixedly connected to the interior of the containing box (601); a servo motor (604) is fixedly connected to the side of the containing box (601); a threaded rod (605) is fixedly connected to the side of the servo motor (604); a movable plate (607) is threadedly connected to the side of the threaded rod (605); and the discharge position of the discharge branch pipe (5) is located between the threaded rod (605) and the fine filtering plate (602).

8. The cleaning and maintenance device for landscaping engineering according to claim 7, characterized in that: The movable plate (607) is internally movably connected to a limit rod (606), and both sides of the limit rod (606) are fixedly connected to the inside of the storage box (601). The middle part of the side of the movable plate (607) away from the servo motor (604) is fixedly connected to a support rod (608), and the side of the support rod (608) is movably sleeved with a scraper (609), and the bottom end of the scraper (609) is in contact with the top end of the fine filter plate (602). The fine filter plate (602), the threaded rod (605) and the limit rod (606) are all at an angle of ten degrees to the horizontal direction. A mud storage tank (603) is provided on the side of the fine filter plate (602) away from the servo motor (604).

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