CN217055504U - Automatic drainage device is used in hydraulic engineering construction - Google Patents

Abstract

The utility model discloses an automatic drainage device is used in hydraulic engineering construction relates to hydraulic engineering technical field. The utility model discloses a water filter tank and spherical filter screen, water filter tank upper end joint has the air exhauster, and water filter tank inboard joint has baffle and screen cloth, and water filter tank one end joint has spherical filter screen, and spherical filter screen one end joint has the bellows, and spherical filter screen inboard has pendulous piece. The utility model discloses a drainage box and spherical filter screen have solved current drainage device for hydraulic engineering construction at the in-service use in-process, are difficult to confirm the degree of depth of ponding, lead to often adjusting drainage device's position, and the unable automatic shutdown work of device after the ponding is exhausted, degree of automation is lower, drainage device need use the filter screen to filter the jam or the damage in order to avoid the water pump to silt, but silt content is higher can lead to the problem that the drainage rate descends usually in the ponding.

Description

Automatic drainage device is used in hydraulic engineering construction

Technical Field

The utility model belongs to the technical field of hydraulic engineering, especially, relate to an automatic drainage device is used in hydraulic engineering construction.

Background

The hydraulic engineering construction is the work of building the hydraulic engineering according to the requirements of engineering structure, quantity, quality, progress, cost and the like provided by design, the main construction objects are mainly earthwork, stoneware, concrete, metal structure, electromechanical equipment installation and the like, the hydraulic engineering needs to undertake the tasks of water retaining, water storage and water drainage, needs to adopt special foundation treatment measures, needs to carry out construction flow guiding, interception and underwater operation according to the natural conditions of water flow and the requirements of engineering construction, the hydraulic engineering construction is closely related to the society and natural environment, so the influence of the construction engineering is large, the opportunity needs to be mastered, the plan is reasonably arranged, the construction is elaborately organized, the problems of flood prevention, flood transition and the like in the construction are timely solved, the safety is ensured, in the hydraulic engineering construction process, the drainage operation of accumulated water in a foundation pit is often needed to prevent the accumulated water from influencing the construction, the construction efficiency is improved, but the following disadvantages still exist in the practical use:

1. in the prior art, CN209293034U, a water conservancy construction drainage device, a first screw hole is formed at the top of a case, a first screw is fixedly connected inside the first screw hole, a cover is fixedly connected to an end of the first screw away from the first screw hole, a round hole and a second screw hole are formed inside one side of the cover, a water outlet pipe is fixedly connected inside the round hole, a water pipe is fixedly connected to an end of the water outlet pipe away from the round hole, a screw post is fixedly connected to the bottom of the case, and a support frame is fixedly connected to an outer surface of the screw post, during the drainage process of the existing water conservancy construction automatic drainage device, because the drainage device needs to be manually placed in accumulated water to be drained by a water pump, but the depth of the accumulated water is usually difficult to determine by manual placement, it is difficult to drain all the accumulated water at one time, and the drainage device does not have a function of detecting water level, after accumulated water is drained, the water pump needs to be manually closed to avoid long-time idling of the water pump, workers need to pay attention to the drainage device at any time, and the automation degree of the device is low;

2. current drainage device for hydraulic engineering construction need use the filter screen to filter the silt of aquatic usually at the in-process that uses, avoids silt to cause jam or wearing and tearing in to the water pump, nevertheless because hydraulic engineering is under construction in rivers, lakes and seas usually, the silt content of aquatic is great, and a large amount of silt can lead to ponding to pass through the speed decline of filter screen, reduces drainage efficiency.

Therefore, the existing automatic drainage device for hydraulic engineering construction cannot meet the requirements in actual use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic drainage device is used in hydraulic engineering construction, through drainage box and spherical filter screen, solved current drainage device for hydraulic engineering construction at the in-service use in-process, be difficult to confirm the degree of depth of ponding, lead to needing often to adjust drainage device's position, and the unable automatic shutdown work of device after the ponding is exhausted, degree of automation is lower, drainage device need use the filter screen to filter the jam or the damage of avoiding the water pump to silt, nevertheless silt content is higher can lead to the problem that the drainage speed descends usually in the ponding.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an automatic drainage device for hydraulic engineering construction, which comprises a water filtering box and a spherical filter screen, wherein the upper end of the water filtering box is connected with an exhaust fan, water can be pumped into the inner side of the utility model through the exhaust fan, water and silt are separated through the utility model, the water filtering box is prevented from directly using a water pump, and accumulated water is not sucked into the water filtering box to cause idle running, the inner side of the water filtering box is connected with a baffle plate and a screen, the water filtering box can carry out secondary filtration on the muddy water through a first baffle plate and the screen, the water pump is prevented from being blocked or worn by the silt, simultaneously, after a certain time, the silt in the inner side of the water filtering box is discharged through the first mud discharging pipe and a second mud discharging pipe through the baffle plate rotating downwards, the drainage efficiency is improved, one end of the water filtering box is connected with the spherical filter screen, one end of the spherical filter screen is connected with a corrugated pipe, a pendant block is arranged on the inner side of the spherical filter screen, and the mesh of the spherical filter screen is larger, it is inboard to make silt get into the water strainer through the bellows, avoid because silt too much leads to pumping efficiency to descend, avoid great impurity such as stone to get into the bellows inboard and cause the damage to the bellows simultaneously, improve drainage efficiency, can make spherical filter screen remove in ponding through the drawing of bellows, can drive spherical filter screen through the piece that hangs down and roll to the bottommost of ponding, do not need the position of manual adjustment spherical filter screen, and hang down a one side and be provided with second level sensor and can measure the water level, automatic shutdown operation after the ponding evacuation improves the utility model discloses an degree of automation.

Furthermore, the upper end of the water filtering tank is rotatably connected with a tank cover, the exhaust fan penetrates through and is clamped on the upper side of the tank cover, one end of the water filtering tank is clamped with a connecting pipe, the connecting pipe is clamped with a water pump relative to the other end of the water filtering tank, one end of the water pump is clamped and fixed with a drain pipe, and the other end of the water filtering tank relative to the water pump is clamped and fixed with a water pumping pipe;

can inhale the water strainer incasement side with ponding and silt through air exhauster and drinking-water pipe to separate ponding and silt through the water strainer, make the water pump discharge the water after the inboard filtration of water strainer, improve drainage efficiency.

Furthermore, a first water level sensor is connected to the bottom end of one side of the water filtering tank in a penetrating and clamping mode, a first sludge discharge pipe and a second sludge discharge pipe are connected to the bottom end of the water filtering tank in a penetrating and clamping mode, a supporting frame is fixedly welded to the edge of the bottom end of the water filtering tank, and casters are connected to the periphery of the bottom end of the supporting frame in a clamping mode;

can measure the inboard water level of strainer through first level sensor, discharge through water pump general water when the water level reaches the setting value, avoid ponding not enough to lead to the long-time idle running of water pump, reduce water pump damage probability, can regularly discharge the silt of strainer internal separation through first mud pipe and second mud pipe, avoid silt to pile up too much and lead to the drainage velocity to descend, can drive through the truckle the utility model discloses a remove, improve the degree of convenience of using.

Furthermore, a first partition plate is welded and fixed at the bottom end of the inner side of the water filtering tank and located on one side of a water pumping pipe of the water filtering tank, the first partition plate is located between a first sludge discharge pipe and a second sludge discharge pipe of the water filtering tank, the baffle plate is attached to one side of the first partition plate and located between the first partition plate and the water pumping pipe, a first rotating motor is clamped at the bottom end of one side of the baffle plate and penetrates through the water filtering tank to be clamped on the outer side of the water filtering tank, and the first rotating motor is located at the upper end of the water pumping pipe;

can carry out the first separation to water and silt through first baffle, reduce aquatic silt content, avoid a large amount of silt to pile up and lead to the drainage efficiency to descend in the screen cloth surface, first rotating motor can drive the baffle and rotate downwards regularly, makes the air exhauster temporarily unable with ponding and silt suction strainer incasement side, and the first sludge pipe of being convenient for arranges mud, avoids piling up in a large number of silt to lead to the drainage efficiency to descend.

Furthermore, a second partition plate is fixedly welded at the upper end of the inner side of the water filtering box and is positioned between a water pump of the water filtering box and a second sludge discharge pipe, the screen is in through clamping connection with the bottom end of one side of the second partition plate, a scraper is in clamping connection with one side of the second partition plate, and the scraper is attached to the outer side of the screen;

can filter a small amount of silt through the screen cloth, avoid silt to cause wearing and tearing to block up to the water pump, can discharge a small amount of silt through regularly opening second mud pipe, avoid silt to pile up for a long time and lead to the drainage efficiency to descend in the screen cloth surface.

Furthermore, a clamping groove is formed in one side of the scraper, a rotating gear is clamped at one end of the inner side of the clamping groove, a second rotating motor is clamped at one end of the rotating gear, and the second rotating motor is clamped on the inner side of the second partition plate;

the rotation that can drive rotating gear through the second rotates the motor, further drives the scraper blade and removes along the draw-in groove, scrapes the silt that will block up in the screen cloth and falls, improves drainage efficiency greatly.

Furthermore, a supporting tube penetrates through and is clamped at the upper end of the spherical filter screen, a connecting rope is fixed at the bottom end of the supporting tube, the hanging block is fixed at the bottom end of the connecting rope, a second water level sensor is fixed at one end of the hanging block in a clamping mode, the corrugated tube is fixed at the upper end of the supporting tube in a clamping mode, and the corrugated tube is fixed at the bottom end of the water pumping tube of the water filtering box in a clamping mode relative to the other end of the supporting tube;

when carrying out the drainage, lose spherical filter screen to ponding in, can drive the quick downstream of spherical filter screen through the piece that hangs down, and can roll in the riverbed, remove to the extreme lower position, avoid needing the staff to carry out a lot of removal to spherical filter screen, spherical filter screen can carry out the prefilter to the stone, avoid great miscellaneous pair bellows such as stone to cause wearing and tearing, and can make silt pass through the bellows and get into the drainage tank inboardly, avoid because the higher drainage rate that leads to of content of silt descends in the ponding, and can survey the water level of ponding through second level sensor, can automatic control water pump and air exhauster stop work after the ponding evacuation, avoid long-time idle running to lead to damaging, and the service life of the utility model is greatly prolonged.

The utility model discloses following beneficial effect has:

1. the utility model solves the problems that the prior automatic drainage device for hydraulic engineering is difficult to discharge all accumulated water at one time because the drainage device is manually placed into the accumulated water to drain water through the water pump in the drainage process by arranging the spherical filter screen, but the depth of the accumulated water is usually difficult to determine by manual placement, and the drainage device does not have the function of detecting the water level, and the drainage device needs to be manually closed to avoid the long-time idle running of the water pump after the accumulated water is drained, so that a worker needs to pay attention to the drainage device at any time, the automation degree of the device is low, the worker throws the spherical filter screen into the water, the spherical filter screen can sink in the accumulated water and roll to the lowest position of a riverbed through the hanging block, the worker does not need to adjust the spherical filter screen for multiple times, the water level of the accumulated water can be determined through the second water level sensor, and the automatic stop operation of the utility model can be realized after the accumulated water is drained, avoid long-time idle running, improve greatly the utility model discloses an degree of automation.

2. The utility model solves the problems that the prior drainage device for hydraulic engineering construction usually needs to use a filter screen to filter silt in water in the using process, avoids the blockage or abrasion of the silt in the water pump, but the construction is usually carried out in rivers, lakes and seas, the silt content in water is larger, a great amount of silt can cause the speed reduction of accumulated water passing through the filter screen, and the drainage efficiency is reduced, stones and larger impurities can be filtered through the spherical filter screen, the damage to the corrugated pipe and the filter screen box is avoided, the accumulated water containing a great amount of silt can be preliminarily filtered through the first clapboard, the drainage efficiency reduction caused by the accumulation of the silt on the surface of the screen is avoided, the accumulated water containing a small amount of silt can be filtered again through the screen, and the blockage or abrasion of the silt to the water pump is avoided, the service life of the water pump is prolonged, and the drainage efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural effect diagram of the present invention;

fig. 2 is a side view of the water filtering tank of the present invention;

fig. 3 is a bottom view of the water filter box of the present invention;

FIG. 4 is a structural diagram of the water filtering box of the present invention;

FIG. 5 is a structural diagram of the scraper of the present invention;

figure 6 is the structure chart of the spherical filter screen of the utility model.

In the drawings, the reference numbers indicate the following list of parts:

1. a water filtering tank; 101. a box cover; 102. an exhaust fan; 103. a water pump; 104. a connecting pipe; 105. a drain pipe; 106. a water pumping pipe; 107. a support frame; 108. a caster wheel; 109. a first water level sensor; 110. a first rotating electric machine; 111. a first mud pipe; 112. a second sludge discharge pipe; 113. a first separator; 114. a baffle plate; 115. a second separator; 116. a squeegee; 117. screening a screen; 118. a card slot; 119. a rotating gear; 120. a second rotating electric machine; 2. a spherical filter screen; 201. a bellows; 202. supporting a tube; 203. connecting ropes; 204. a hanging block; 205. and a second water level sensor.

Detailed Description

The technical solution 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.

Referring to fig. 1-6, the present invention relates to an automatic drainage device for hydraulic engineering construction, comprising a filter box 1 and a spherical filter screen 2, wherein an exhaust fan 102 is connected to the upper end of the filter box 1, water can be sucked into the inner side of the device by the exhaust fan 102, water and silt can be separated by the device, the water pump 103 can be prevented from being directly used, no accumulated water is sucked into the filter box 1, the filter box 1 is idle, a baffle plate 114 and a screen 117 are connected to the inner side of the filter box 1, the filter box 1 can filter the mud water for the second time by the first baffle plate 113 and the screen 117, the water pump 103 is prevented from being blocked or worn by the silt, after a certain time, the silt inside of the filter box 1 is discharged by the baffle plate 114 rotating downwards and the first and second filter pipes 111 and 112, the spherical filter screen 2 is connected to one end of the filter box 1, a corrugated pipe 201 is connected to one end of the spherical filter screen 2, 2 inboard pendulous blocks 204 that have pendulous in spherical filter screen 2, the mesh of spherical filter screen 2 is great, it is inboard to make silt pass through bellows 201 and get into water strainer 1, avoid because silt too much leads to pumping efficiency to descend, avoid simultaneously that great impurity such as stone gets into bellows 201 inboard and cause the damage to bellows 201, stretch through bellows 201 can make spherical filter screen 2 remove in ponding along with pendulous blocks 204, can drive spherical filter screen 2 through pendulous blocks 204 and roll to the bottommost of ponding, do not need the position of manual adjustment spherical filter screen 2, and pendulous blocks 204 one side is provided with second level sensor 205 and can measure the water level, automatic shutdown operation after the ponding evacuation.

As shown in fig. 1-3, the upper end of the water filtering tank 1 is rotatably connected with a tank cover 101, an exhaust fan 102 is connected to the upper side of the tank cover 101 in a penetrating and clamping manner, a connecting pipe 104 is connected to one end of the water filtering tank 1 in a clamping manner, a water pump 103 is connected to the other end of the water filtering tank 1 in a clamping manner, a drain pipe 105 is connected to one end of the water pump 103 in a clamping manner, a water pumping pipe 106 is connected to the other end of the water filtering tank 1 in a clamping manner, a first water level sensor 109 is connected to the bottom end of one side of the water filtering tank 1 in a penetrating and clamping manner, a first sludge discharge pipe 111 and a second sludge discharge pipe 112 are connected to the bottom end of the water filtering tank 1 in a penetrating and clamping manner, a support frame 107 is welded and fixed to the bottom end of the support frame 107, and casters 108 are clamped around the bottom end of the support frame 107;

can inhale water filter tank 1 inboardly through air exhauster 102 and drinking-water pipe 106 with ponding and silt, and separate ponding and silt through water filter tank 1, make water pump 103 discharge the water after the inboard filtration of water filter tank 1, can measure the water level of water filter tank 1 inboard through first level sensor 109, discharge water through water pump 103 when the water level reaches the setting value, avoid ponding not enough to lead to the long-time idle running of water pump 103, avoid ponding too much to cause the damage to air exhauster 102, reduce water pump 103 and air exhauster 102 damage probability, can regularly discharge the silt of separation in the water filter tank 1 through first mud pipe 111 and second mud pipe 112, avoid silt to pile up too much and lead to the drainage velocity to descend, can drive through truckle 108 the utility model discloses a removal.

As shown in fig. 1, 4 and 5, a first partition plate 113 is welded and fixed at the bottom end of the inner side of the water filtration tank 1, the first partition plate 113 is located at one side of the water pumping pipe 106 of the water filtration tank 1, the first partition plate 113 is located between the first sludge discharge pipe 111 and the second sludge discharge pipe 112 of the water filtration tank 1, a baffle plate 114 is attached to one side of the first partition plate 113, the baffle plate 114 is located between the first partition plate 113 and the water pumping pipe 106, a first rotating motor 110 is clamped at the bottom end of one side of the baffle plate 114, the first rotating motor 110 is clamped at the outer side of the water filtration tank 1 in a penetrating manner, the first rotating motor 110 is located at the upper end of the water pumping pipe 106, a second partition plate 115 is welded and fixed at the upper end of the inner side of the water filtration tank 1, the second partition plate 115 is located between the water pump 103 and the second sludge discharge pipe 112 of the water filtration tank 1, a screen 117 is clamped at the bottom end of one side of the second partition plate 115 in a penetrating manner, a scraping plate 116 is clamped at one side of the second partition plate 115, the scraping plate 116 is attached to the outer side of the screen 117, a clamping groove 118 is formed at one side of the scraping plate 116, a rotating gear 119 is clamped at one end of the inner side of the clamping groove 118, a second rotating motor 120 is clamped at one end of the rotating gear 119, and the second rotating motor 120 is clamped at the inner side of the second partition plate 115;

the first separation plate 113 can separate water from silt for the first time, so that the silt content in water is reduced, the problem that a large amount of silt is accumulated on the surface of the screen 117 to reduce the drainage efficiency is avoided, the first rotating motor 110 can drive the baffle 114 to rotate downwards at regular time, the accumulated water and silt can not be sucked into the inner side of the water filter tank 1 by the exhaust fan 102 temporarily, the first sludge discharge pipe 111 can discharge the silt conveniently, the problem that the drainage efficiency is reduced due to the accumulation of the silt is avoided, a small amount of silt can be filtered through the screen 117, so that the water pump 103 is prevented from being abraded and blocked by the silt, a small amount of silt can be discharged by opening the second sludge discharge pipe 112 at regular time, so that the problem that the drainage efficiency is reduced due to the fact that the silt is accumulated on the surface of the screen 117 for a long time is avoided, the second rotating motor 120 can drive the rotating gear 119 to rotate, so as to further drive the scraper 116 to move along the clamping groove 118, and the sediment blocked in the screen 117 is scraped off.

As shown in fig. 1 and 6, a support tube 202 is connected to the upper end of the spherical filter screen 2 in a penetrating and clamping manner, a connection rope 203 is fixed to the bottom end of the support tube 202, a hanging block 204 is fixed to the bottom end of the connection rope 203, a second water level sensor 205 is fixed to one end of the hanging block 204 in a clamping manner, a corrugated tube 201 is fixed to the upper end of the support tube 202 in a clamping manner, and the other end of the corrugated tube 201, which is opposite to the support tube 202, is fixed to the bottom end of a water pumping tube 106 of a water filtering box 1 in a clamping manner;

when carrying out the drainage, lose spherical filter screen 2 to ponding in, can drive spherical filter screen 2 quick downstream through plumbing piece 204, and can roll in the riverbed, move to the extreme low position, avoid needing the staff to carry out a lot of to spherical filter screen 2 and remove, spherical filter screen 2 can carry out prefiltration to the stone, avoid great impurity such as stone to cause wearing and tearing to bellows 201, and can make silt pass through bellows 201 and get into water strainer 1 inboardly, avoid because the higher drainage speed that leads to of content of ponding silt descends, and can survey the water level of ponding through second level sensor 205, can automatic control water pump 103 and air exhauster 102 stop operation after the ponding evacuation, avoid long-time idle running to lead to damaging.

One specific application of this embodiment is: the utility model is moved to a proper position by the truckles 108 for drainage, the spherical filter screen 2 is thrown at the inner side of the accumulated water, the spherical filter screen 2 can move along with the hanging block 204 by the bellows 201, the hanging block 204 can drive the spherical filter screen 2 to sink and roll rapidly in the accumulated water, so that the spherical filter screen rolls to the bottom side of the riverbed, the accumulated water and the silt can be sucked into the inner side of the water filtering box 1 by the exhaust fan 102 through the spherical filter screen 2, the spherical filter screen 2 can filter stones and larger impurities, the bellows 201 is prevented from being damaged, meanwhile, the spherical filter screen 2 can extract the silt, the blockage of the spherical filter screen 2 caused by the larger content of the silt in the accumulated water is avoided, the drainage efficiency is improved, the accumulated water and the silt can be primarily filtered by the first clapboard 113, the phenomenon that a large amount of silt is accumulated on the surface of the screen 117, the screen 117 can filter the accumulated water and a small amount of silt again, the water level in the water filtering box 1 can be measured through the first water level sensor 109, the water pump 103 is started to drain water at a proper water level, idle running of the water pump 103 caused by a low water level is avoided, damage to the exhaust fan 102 caused by an overhigh water level is avoided, after drainage for a certain time, the second rotating motor 120 drives the scraper blade 116 to move downwards to scrape off sand and stones blocked on the surface of the screen 117, the first rotating motor 110 drives the baffle 114 to rotate downwards, accumulated water cannot be sucked into the inner side of the water filtering box 1 by the exhaust fan 102, the silt in the inner side of the water filtering box 1 is discharged through the first sludge discharge pipe 111 and the second sludge discharge pipe 112, a large amount of accumulation of silt is avoided, the drainage efficiency is greatly improved, the second water level sensor 205 can measure the water level of the accumulated water, the utility model is controlled to stop operation after the accumulated water is drained, avoid water pump 103's long-time idle running, improve greatly the utility model discloses an degree of automation.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a hydraulic engineering construction is with automatic drainage device, includes water strainer (1) and spherical filter screen (2), its characterized in that: water filter case (1) upper end joint has air exhauster (102), water filter case (1) inboard joint has baffle (114) and screen cloth (117), water filter case (1) one end joint has spherical filter screen (2), spherical filter screen (2) one end joint has bellows (201), spherical filter screen (2) inboard has pendant piece (204).

2. The automatic drainage device for the water conservancy project construction according to claim 1, wherein a tank cover (101) is rotatably connected to the upper end of the water filtering tank (1), the exhaust fan (102) is connected to the upper side of the tank cover (101) in a penetrating and clamping manner, a connecting pipe (104) is connected to one end of the water filtering tank (1) in a clamping manner, a water pump (103) is connected to the other end of the connecting pipe (104) relative to the water filtering tank (1) in a clamping manner, a drainage pipe (105) is fixed to one end of the water pump (103) in a clamping manner, and a water pumping pipe (106) is fixed to the other end of the water filtering tank (1) relative to the water pump (103) in a clamping manner.

3. The automatic drainage device for the hydraulic engineering construction according to claim 1, wherein a first water level sensor (109) is connected to the bottom end of one side of the water filtering tank (1) in a penetrating and clamping manner, a first sludge discharge pipe (111) and a second sludge discharge pipe (112) are connected to the bottom end of the water filtering tank (1) in a penetrating and clamping manner, a support frame (107) is fixed to the bottom end edge of the water filtering tank (1) in a welding manner, and casters (108) are connected to the periphery of the bottom end of the support frame (107) in a clamping manner.

4. The automatic drainage device for the water conservancy project construction according to claim 1, wherein a first partition plate (113) is welded and fixed to the bottom end of the inner side of the strainer tank (1), the first partition plate (113) is located on one side of a water pumping pipe (106) of the strainer tank (1), the first partition plate (113) is located between a first sludge discharge pipe (111) and a second sludge discharge pipe (112) of the strainer tank (1), a baffle (114) is attached to one side of the first partition plate (113), the baffle (114) is located between the first partition plate (113) and the water pumping pipe (106), a first rotating motor (110) is clamped to the bottom end of one side of the baffle (114), the first rotating motor (110) is connected to the outer side of the strainer tank (1) in a penetrating manner, and the first rotating motor (110) is located at the upper end of the water pumping pipe (106).

5. The automatic drainage device for the water conservancy project construction according to claim 1, wherein a second partition plate (115) is welded and fixed to the upper end of the inner side of the water filtering tank (1), the second partition plate (115) is located between a water pump (103) of the water filtering tank (1) and a second sludge discharge pipe (112), the screen (117) penetrates through and is clamped at the bottom end of one side of the second partition plate (115), a scraper (116) is clamped on one side of the second partition plate (115), and the scraper (116) is attached to the outer side of the screen (117).

6. The automatic drainage device for the water conservancy project construction according to claim 5, wherein a clamping groove (118) is formed in one side of the scraper (116), a rotating gear (119) is clamped at one end of the inner side of the clamping groove (118), a second rotating motor (120) is clamped at one end of the rotating gear (119), and the second rotating motor (120) is clamped at the inner side of the second partition plate (115).

7. The automatic drainage device for the water conservancy project construction according to claim 1, wherein a support pipe (202) penetrates through and is clamped at the upper end of the spherical filter screen (2), a connecting rope (203) is fixed at the bottom end of the support pipe (202), the hanging block (204) is fixed at the bottom end of the connecting rope (203), a second water level sensor (205) is fixed at one end of the hanging block (204) in a clamping mode, the corrugated pipe (201) is fixed at the upper end of the support pipe (202) in a clamping mode, and the corrugated pipe (201) is fixed at the bottom end of a water pumping pipe (106) of the water filtering box (1) relative to the other end of the support pipe (202) in a clamping mode.

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