A groundwater recharge device for geological subsidence prevention and a method of using the same

Abstract

The application discloses a groundwater recharge device for geological subsidence prevention and treatment, which comprises a moving base, a plurality of moving wheels are installed on the lower side wall of the moving base, and a supporting mechanism is arranged in the moving base; a right-angle plate is fixedly connected to the upper side wall of the moving base; a vertical plate fixedly connected to the upper side wall of the moving base is fixedly connected to the inner top wall of the right-angle plate; a recharge tank is connected to the outer side of the vertical plate through a lifting mechanism; a water outlet pipe is arranged on the lower side wall of the recharge tank; a water pump is fixedly connected to the upper side wall of the right-angle plate; a water outlet pipe penetrating through the upper side wall of the recharge tank is connected to the output shaft of the water pump; and an arc-shaped filter screen is fixedly connected to the inner side wall of the recharge tank. The arc-shaped filter screen can intercept impurities, so that large-particle impurities cannot enter the recharge well and cause the well mouth to be blocked; meanwhile, the arc-shaped filter screen is cleaned by a mud scraping plate and is knocked by each ball block, so that the vibration effect of the arc-shaped filter screen is achieved, and the arc-shaped filter screen is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of groundwater recharge, in particular to a groundwater recharge device for geological subsidence prevention and treatment and a use method thereof. BACKGROUND

[0002] Artificial recharge of groundwater is one of the main means to prevent geological subsidence, among which water injection into recharge wells in cities and industrial areas is a direct way to supplement groundwater. During recharge, the method of pressure recharge is usually used, that is, under sealed conditions, water is injected into the aquifer through the recharge well by pressure. Therefore, a groundwater recharge device is needed to pressurize the water and inject it into the aquifer when recharging groundwater.

[0003] However, the current groundwater recharge device for geological subsidence prevention cannot simply treat the water during operation, which leads to large impurity particles in the water that easily cause the recharge well to be blocked, requiring immediate backhoe operation and slow recharge speed. SUMMARY

[0004] The purpose of the present application is to solve the problem in the prior art that the device cannot simply treat the water during operation, which leads to large impurity particles in the water that easily cause the recharge well to be blocked, requiring immediate backhoe operation and slow recharge speed.

[0005] To achieve the above purpose, the present application adopts the following technical scheme:

[0006] A groundwater recharge device for geological subsidence prevention, comprising a mobile seat, a plurality of mobile wheels are installed on the lower side wall of the mobile seat, and a supporting mechanism is arranged in the mobile seat, a right-angle plate is fixedly connected to the upper side wall of the mobile seat, a vertical plate fixedly connected to the upper side wall of the mobile seat is fixedly connected to the inner top wall of the right-angle plate, a recharge box is connected to the outer side of the vertical plate through a lifting mechanism, a water discharge pipe is arranged on the lower side wall of the recharge box, a water pump is fixedly connected to the upper side wall of the right-angle plate, a water discharge pipe penetrating through the upper side wall of the recharge box is connected to the output shaft of the water pump, an arc-shaped filter screen is fixedly connected to the inner side wall of the recharge box, and a collection box corresponding to the arc-shaped filter screen is fixedly connected to the right of the recharge box, a collection opening is formed at the connection between the collection box and the recharge box, an inclined guide plate is connected to the end of the arc-shaped filter screen in the collection opening, a rotating shaft is arranged on the inner rear wall of the recharge box and movably penetrates through the inner front wall of the recharge box above and below the arc-shaped filter screen, a mud scraping mechanism and a vibrating mechanism are arranged on the section of the two rotating shafts located in the recharge box, respectively, and a worm gear one is fixedly connected to the end of each rotating shaft extending out of the recharge box, a stepping motor one is fixedly connected to the front wall of the recharge box, and a double-end worm is fixedly connected to the output shaft of the stepping motor one vertically downward and engages with the two worm gears one.

[0007] Preferably, the mud scraping mechanism comprises a bracket fixedly connected to the outer wall of the upper shaft, and a mud scraping plate fixedly connected to the lower end of the bracket and slidingly attached to the upper surface of the arc-shaped filter screen.

[0008] Preferably, the lifting mechanism comprises a lifting plate slidingly sleeved on the outer wall of the vertical plate, a stepping motor two fixedly connected to the left side of the lifting plate, a gear fixedly connected to the output shaft end of the stepping motor two and rolling on the inner side wall of a right-angle plate, a tooth groove provided in the inner side wall of the right-angle plate and engaged with the gear, and a connecting frame fixedly connected to the side wall of the lifting plate away from the stepping motor two and fixed to the recharge tank.

[0009] Preferably, the supporting mechanism comprises a double-shaft motor fixedly connected to the inner bottom wall of the moving seat, a worm fixedly connected to the output shaft end of the double-shaft motor, a worm gear two rotatably installed on the moving seat and movably penetrating through the inner side wall of the moving seat and engaged with the upper side of each worm, and a supporting plate fixedly connected to the side of each worm gear two away from the moving seat.

[0010] Preferably, the vibration mechanism comprises a swing plate rotatably connected to the inner wall of the recharge tank, a spring connected between the lower side wall of the swing plate and the inner wall of the recharge tank, a ball block fixedly connected to the upper side wall of the swing plate through a support rod and abutting against the lower side wall of the arc-shaped filter screen, a rotating disc fixedly sleeved on the outer wall of the shaft below, and a plurality of protrusions fixedly connected to the side edges of the rotating disc at equal intervals.

[0011] Preferably, the recharge tank is provided with an adjusting mechanism in the inner bottom portion, the adjusting mechanism comprises a stepping motor three fixedly connected to the side wall of the recharge tank, a bidirectional threaded rod movably penetrating through the outer wall of the recharge tank and fixedly connected to the output shaft end of the stepping motor three, two tooth blocks reversely threadedly connected to the outer wall of the bidirectional threaded rod, a guide rod fixedly connected between the inner walls of the two sides of the recharge tank and movably penetrating through the side walls of the two tooth blocks, a gear rotatably installed in the recharge tank and engaged with the lower side wall of each tooth block, and an adjusting plate slidingly attached to the inner bottom wall of the recharge tank and engaged with the lower side of each gear.

[0012] Preferably, two inclined support frames are symmetrically fixedly connected to the side wall of the recharge tank close to the vertical plate, and each inclined support frame is fixedly connected to a reinforcing plate slidingly attached to the surface of the vertical plate away from the recharge tank.

[0013] Preferably, a sewage pipe is connected to the side wall of the collecting tank away from the recharge tank, and a sealing cover is threadedly sleeved on the end portion of the sewage pipe.

[0014] Preferably, a water leakage hole is provided in the joint of the collecting tank and the recharge tank.

[0015] A method for using a groundwater recharge device for preventing and treating geological subsidence, comprising the following steps:

[0016] S1, in use, first move the device to the recharge well mouth, and the water pipe is aligned with the recharge well mouth;

[0017] S2, then start the dual-shaft motor to drive the two worms to rotate synchronously, and then drive the two support plates to rotate downward synchronously through the two worm gears engaged with the worms, until the moving seat is lifted off the ground to contact the ground, to fix the moving seat and the whole;

[0018] S3, start the step motor one to drive the gear to rotate clockwise, so that the gear can roll on the tooth groove engaged with the gear, and drive the lifting plate to move downward along the vertical plate until the water pipe is inserted into the well mouth and the recharge box abuts against the well mouth wall;

[0019] S4, start the water pump to pump water into the recharge box through the drain pipe, and under the action of the arc-shaped filter screen, the impurities in the water can be filtered to avoid large-particle impurities from entering the recharge well to cause the well mouth to be blocked;

[0020] S5, start the step motor one to drive the double-head worm to rotate, and use the two worm gears engaged with the double-head worm to drive the two rotating shafts to rotate synchronously, when the upper rotating shaft rotates, the mud scraping plate can rotate counterclockwise to scrape the impurities intercepted on the arc-shaped filter screen to the guide plate and then fall into the collecting box for collection;

[0021] S6, when the lower rotating shaft rotates, the rotating wheel can make the multiple protrusions move in a circle to intermittently drive the swing plate to rotate downward, and through the cooperation with the spring, the ball block can reciprocate to achieve the vibration effect of the arc-shaped filter screen to prevent the arc-shaped filter screen from being blocked;

[0022] S7, start the step motor three to drive the bidirectional screw rod to rotate, so that the two tooth blocks can drive the two adjusting plates to move reversely through the two gears engaged with the tooth blocks, to adjust the distance between the two adjusting plates, so as to adjust the recharge water speed, and finally the water in the recharge box flows into the recharge well through the water pipe to recharge the underground water for preventing and treating geological subsidence;

[0023] S8, after the recharge water is finished, the sealing cover can be screwed out to discharge the sewage and impurities in the collecting box.

[0024] Compared with the prior art, the recharge device for underground water for preventing and treating geological subsidence has the following advantages:

[0025] 1. The water pump can pump water into the recharge box through the drain pipe, and under the action of the arc-shaped filter screen, the impurities in the water can be filtered to avoid large-particle impurities from entering the recharge well to cause the well mouth to be blocked;

[0026] 2, the upper rotating shaft rotates, can drive the mud scraping plate counterclockwise rotation, the arc filter screen on the impurities intercepted to the guide plate and slide to the collection box for collection, can realize the automatic cleaning of impurities;

[0027] 3, the lower rotating shaft rotates, can make multiple convex blocks circular motion through the rotating wheel, intermittent dial swing plate downward, through the cooperation of spring, can realize the reciprocating swing of ball block, to achieve the vibration effect of arc filter screen, prevent the arc filter screen from being blocked;

[0028] 4, by adjusting the spacing between the two adjusting plates, the speed of recharge water can be adjusted, and finally through the water outlet pipe from the recharge box into the recharge well, for groundwater recharge, for preventing geological subsidence. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 It is an internal view of the recharge box of the groundwater recharge device for preventing and treating geological subsidence.

[0030] Fig. 2 It is a structural schematic view of the groundwater recharge device for preventing and treating geological subsidence.

[0031] Fig. 3 It is a sectional view of the moving seat of the groundwater recharge device for preventing and treating geological subsidence.

[0032] In the figure: 1 moving seat, 2 right angle plate, 3 vertical plate, 4 recharge box, 5 water pump, 6 arc filter screen, 7 collection box, 8 guide plate, 9 water outlet pipe, 10 rotating shaft, 11 leakage hole, 12 mud scraping plate, 13 worm gear one, 14 stepper motor one, 15 double head worm, 16 lifting plate, 17 connecting frame, 18 stepper motor two, 19 gear one, 20 double shaft motor, 21 worm, 22 worm gear two, 23 moving wheel, 24 support plate, 25 swing plate, 26 spring, 27 ball block, 28 convex block, 29 stepper motor three, 30 bidirectional threaded rod, 31 tooth block, 32 guide rod, 33 gear two, 34 adjusting plate, 35 inclined support frame, 36 sealing cover. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0034] REFERENCE Figs. 1-3The utility model provides a kind of groundwater recharge device for geological subsidence prevention, including mobile seat 1, the lower side wall of mobile seat 1 is equipped with multiple mobile wheels 23, and support mechanism is equipped in mobile seat 1, support mechanism includes double-shaft motor 20 fixedly connected in the inner bottom wall of mobile seat 1, the both ends of the two output shafts of double-shaft motor 20 are fixedly connected with worm 21, the upper side of each worm 21 is engaged with worm gear two 22 rotationally installed in mobile seat 1 and active penetrates the inner side wall of mobile seat 1, the side of each worm gear two 22 located outside mobile seat 1 is fixedly connected with support plate 24.

[0035] The upper side wall of mobile seat 1 is fixedly connected with right angle plate 2, the inner top wall of right angle plate 2 is fixedly connected with vertical plate 3 fixedly connected on the upper side wall of mobile seat 1, the outer side of vertical plate 3 is connected with recharge tank 4 by lifting mechanism, lifting mechanism includes lifting plate 16 slidingly sleeved on the outer wall of vertical plate 3, the left side of lifting plate 16 is fixedly connected with step motor two 18, the output shaft end of step motor two 18 is fixedly connected with gear one 19 rollingly arranged on the inner side wall of right angle plate 2, the inner side wall of right angle plate 2 is provided with gear slot engaged with gear one 19, the side wall of the side of lifting plate 16 away from step motor two 18 is fixedly connected with connecting frame 17 fixedly connected with recharge tank 4.

[0036] The lower side wall of recharge tank 4 is provided with drain pipe 9, the upper side wall of right angle plate 2 is fixedly connected with water pump 5, the output shaft of water pump 5 is connected with drain pipe penetrating the upper side wall of recharge tank 4, the inner side wall of recharge tank 4 is fixedly connected with arc filter screen 6, and the right of recharge tank 4 is fixedly connected with collecting tank 7 corresponding to arc filter screen 6, the connecting place of collecting tank 7 and recharge tank 4 is jointly provided with water leakage hole 11, the connecting place of collecting tank 7 and recharge tank 4 is jointly provided with collecting opening, the end of arc filter screen 6 in collecting opening and arc filter screen 6 are jointly connected with guide plate 8 arranged obliquely, the side wall of the side of collecting tank 7 away from recharge tank 4 is connected with blow-off pipe, and the end of blow-off pipe is threadedly sleeved with sealing cover 36.

[0037] The upper and lower sides of arc filter screen 6 are provided with rotating shaft 10 installed in the rear wall in recharge tank 4 and active penetrates the front wall in recharge tank 4, and the end of the one end of two rotating shafts 10 extending to the outside of recharge tank 4 is fixedly connected with worm gear one 13, the front wall of recharge tank 4 is fixedly connected with step motor one 14, the output shaft end of step motor one 14 is vertically downward and fixedly connected with double-end worm 15 engaged with two worm gears one 13.

[0038] The section of two rotating shafts 10 located in recharge tank 4 is respectively provided with mud scraping mechanism and vibration mechanism, mud scraping mechanism includes support fixedly connected on the outer wall of rotating shaft 10 located on the upper side, the lower end of support is fixedly connected with mud scraping plate 12 slidingly attached on the upper surface of arc filter screen 6.

[0039] The vibrating mechanism comprises a swing plate 25 rotatably connected to the inner wall of the recharge tank 4, a spring 26 connected between the lower side wall of the swing plate 25 and the inner wall of the recharge tank 4, and a ball block 27 fixedly connected to the upper side wall of the swing plate 25 through a support rod and abutting against the lower side wall of the arc-shaped filter screen 6.

[0040] The inner bottom of the recharge tank 4 is provided with an adjusting mechanism, which comprises a step motor three 29 fixedly connected to the side wall of the recharge tank 4, a double-thread rod 30 movably penetrating through the outer wall of the recharge tank 4 and fixedly connected to the output shaft of the step motor three 29, two tooth blocks 31 reversely threadedly connected to the outer wall of the double-thread rod 30, a guide rod 32 fixedly connected between the inner walls of the recharge tank 4 and movably penetrating through the side walls of the two tooth blocks 31, and a gear two 33 rotatably installed in the recharge tank 4 and engaged with the lower side wall of each tooth block 31.

[0041] Further, two inclined support frames 35 are symmetrically fixedly connected to the side wall of the recharge tank 4 close to the vertical plate 3, and each inclined support frame 35 is fixedly connected to a reinforcing plate slidingly attached to the surface of the vertical plate 3 away from the recharge tank 4.

[0042] A use method of a groundwater recharge device for preventing and treating geological subsidence, comprising the following steps:

[0043] S1, when in use, first move the device to the recharge well mouth, and aim the water discharge pipe at the recharge well mouth;

[0044] S2, then start the double-shaft motor 20 to drive the two worms 21 to rotate synchronously, and then drive the two support plates 24 to rotate downward synchronously through the two gear wheels two 22 engaged therewith until the moving seat 1 is lifted off the ground to achieve fixation of the moving seat 1 and the whole device;

[0045] S3, start the step motor two 18 to drive the gear one 19 to rotate clockwise, so that it can roll on the tooth groove engaged therewith, that is, drive the lifting plate 16 to move downward along the vertical plate 3 until the water discharge pipe 9 is inserted into the well mouth and the recharge tank 4 abuts against the well mouth wall;

[0046] S4, start the water pump 5 to pump water into the recharge tank 4 through the drain pipe, and under the action of the arc-shaped filter screen 6, impurities in the water can be filtered to avoid large-particle impurities from entering the recharge well and causing the well mouth to be blocked;

[0047] S5, the start stepper motor 14 drive double-end worm 15 rotation, using the two worm gear 13 engaged with the two shaft 10 synchronous rotation, the upper shaft 10 rotation, can drive the mud board 12 counterclockwise rotation, the arc-shaped filter screen 6 on the intercepted impurities to the guide plate 8 and slide to the collection box 7 collection;

[0048] S6, the lower shaft 10 rotation, can be through the runner multiple convex block 28 circular motion, intermittent dial swing plate 25 downward rotation, through the cooperation of the spring 26, namely can realize the ball block 27 reciprocating swing, to achieve the vibration effect of the arc-shaped filter screen 6, prevent the arc-shaped filter screen 6 from being blocked;

[0049] S7, start stepper motor 29 drive bidirectional threaded rod 30 rotation, so that two teeth block 31 through the two gear 33 engaged with the two adjusting plate 34 can drive two reverse movement, to achieve the spacing between the two adjusting plate 34 size adjustment, so as to achieve the speed of recharge water adjustment effect, finally through the drain pipe 9 from recharge box 1 into recharge well, for groundwater recharge, for the prevention and treatment of geological subsidence;

[0050] S8, recharge water after, can be screwed out of the seal cover 36 will collect the sewage and impurities in the tank 7 can be discharged.

[0051] Further, the above fixed connection, unless otherwise specified and limited, should be broad understanding, for example, can be welded, can be glued, or integrally formed with the usual means well known to those skilled in the art.

[0052] The above, only for the preferred specific embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical solution of the present application and the invention concept of the invention, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A groundwater recharge device for the prevention of geological subsidence, comprising a mobile base (1), characterized in that, The lower side wall of the mobile seat (1) is provided with a plurality of mobile wheels (23), and the mobile seat (1) is provided with a supporting mechanism, the upper side wall of the mobile seat (1) is fixedly connected with a right-angle plate (2), the inner top wall of the right-angle plate (2) is fixedly connected with a vertical plate (3) fixedly connected with the upper side wall of the mobile seat (1), the outer side of the vertical plate (3) is connected with a recharge tank (4) through a lifting mechanism, the lower side wall of the recharge tank (4) is provided with a drain pipe (9), the upper side wall of the right-angle plate (2) is fixedly connected with a water pump (5), the output shaft of the water pump (5) is connected with a drain pipe penetrating through the upper side wall of the recharge tank (4), the inner side wall of the recharge tank (4) is fixedly connected with an arc-shaped filter screen (6), and the right side of the recharge tank (4) is fixedly connected with a collecting tank (7) corresponding to the arc-shaped filter screen (6), a collecting opening is formed at the connection between the collecting tank (7) and the recharge tank (4), the collecting opening and the end of the arc-shaped filter screen (6) are jointly connected with an inclined guide plate (8), the upper side and the lower side of the arc-shaped filter screen (6) are provided with rotating shafts (10) which are fixedly connected with the inner rear wall of the recharge tank (4) and movably penetrate through the inner front wall of the recharge tank (4), one section of the two rotating shafts (10) located in the recharge tank (4) is provided with a mud scraping mechanism and a vibrating mechanism, respectively, and the ends of the two rotating shafts (10) extending out of the recharge tank (4) are fixedly connected with worm wheels (13), the front wall of the recharge tank (4) is fixedly connected with a step motor (14), and the output shaft of the step motor (14) is vertically downward and fixedly connected with a double-end worm (15) engaged with the two worm wheels (13). The supporting mechanism comprises a double-shaft motor (20) fixedly connected with the inner bottom wall of the mobile seat (1), the output shafts of the double-shaft motor (20) are fixedly connected with worm gears (21), the upper side of each worm gear (21) is engaged with a worm wheel (22) which is rotatably installed in the mobile seat (1) and movably penetrates through the inner side wall of the mobile seat (1), and each worm wheel (22) located on one side of the mobile seat (1) is fixedly connected with a supporting plate (24); the lifting mechanism comprises a lifting plate (16) slidably sleeved on the outer wall of the vertical plate (3), the left side of the lifting plate (16) is fixedly connected with a step motor (18), and the output shaft of the step motor (18) is fixedly connected with a gear (19) rotatably arranged on the inner side wall of the right-angle plate (2). The inner bottom of the recharge box (4) is provided with an adjusting mechanism, the adjusting mechanism comprises a stepper motor three (29) fixedly connected to the side wall of the recharge box (4), the output shaft of the stepper motor three (29) is movably penetrated through the outer wall of the recharge box (4) and is fixedly connected with a bidirectional threaded rod (30), the outer wall of the bidirectional threaded rod (30) is reversely screwed with two tooth blocks (31), the side walls of the two tooth blocks (31) are movably penetrated through the guide rod (32) fixedly connected between the inner walls of the two sides of the recharge box (4), the lower side wall of each tooth block (31) is engaged with a gear two (33) rotatably installed in the recharge box (4), and the lower side of each gear two (33) is engaged with an adjusting plate (34) slidingly attached to the inner bottom wall of the recharge box (4).

2. The groundwater recharge device for preventing geological subsidence according to claim 1, characterized in that, The mud scraping mechanism comprises a support fixedly connected to the outer wall of the upper shaft (10), and the lower end of the support is fixedly connected with a mud scraping plate (12) slidingly attached to the upper surface of the arc-shaped filter screen (6).

3. The groundwater recharge device for preventing geological subsidence according to claim 2, characterized in that, The inner side wall of the right-angle plate (2) is provided with a gear slot engaged with the gear one (19), and the side wall, away from the stepper motor two (18), of the lifting plate (16) is fixedly connected with a connecting frame (17) fixed with the recharge box (4).

4. The groundwater recharge device for preventing geological subsidence according to claim 3, characterized in that, The vibrating mechanism comprises a swing plate (25) rotatably connected to the inner wall of the recharge box (4), a spring (26) connected between the lower side wall of the swing plate (25) and the inner wall of the recharge box (4), and a ball block (27) fixedly connected to the lower side wall of the arc-shaped filter screen (6) through a support rod on the upper side wall of the swing plate (25), the outer wall of the lower shaft (10) is fixedly sleeved with a rotating disc, and the side edges of the rotating disc are fixedly connected with a plurality of protrusions (28) at equal intervals.

5. The underground water recharge device for geological settlement prevention according to claim 4, wherein the side wall, close to the vertical plate (3), of the recharge box (4) is fixedly connected with two inclined support frames (35) in a symmetrical manner, and the end, away from the recharge box (4), of each inclined support frame (35) is fixedly connected with a reinforcing plate slidingly attached to the surface of the vertical plate (3).

6. The underground water recharge device for geological settlement prevention according to claim 5, wherein the side wall, away from the recharge box (4), of the collection box (7) is connected with a sewage pipe, and the end of the sewage pipe is threadedly sleeved with a sealing cover (36).

7. The underground water recharge device for geological settlement prevention according to claim 1, wherein the connection between the collection box (7) and the recharge box (4) is jointly provided with a water leakage hole (11).

8. The method of using a groundwater recharge device for the prevention of geological subsidence according to claim 6, wherein, The steps include: S1. When in use, first move the device to the recharge well mouth, and aim the water discharge pipe (9) at the recharge well mouth; S2. Then start the double-shaft motor (20) to drive the two worms (21) to rotate synchronously, then drive the two support plates (24) to synchronously rotate downward through the two gear wheels two (22) engaged therewith until the moving seat (1) is lifted off the ground to achieve the fixation of the moving seat (1) and the whole. S3, start the stepper motor two (18) drive gear one (19) clockwise rotation, so that it can be in the tooth slot meshing on the rolling, namely can drive the lifting plate (16) along the vertical plate (3) to move down, until the drain pipe (9) inserted into the well mouth, and the recharge box (4) and well mouth wall; S4, start the water pump (5) will be water through the drain pipe into the recharge box (4) in the arc filter screen (6) under the action, namely can filter the impurities in the water, to avoid large particles of impurities into the recharge well caused by well mouth blockage; S5, start the stepper motor one (14) drive double head worm (15) rotation, using the two worm gear one (13) meshing with the two shaft (10) synchronous rotation, the upper shaft (10) rotation, can drive the mud scraping plate (12) counterclockwise rotation, the arc filter screen (6) on the intercepted impurities to guide the plate (8) and slide to the collection box (7) for collection; S6, the lower shaft (10) rotation, can be through the runner makes a plurality of protruding block (28) circular motion, intermittent dial swing plate (25) downward rotation, through the cooperation with the spring (26), namely can realize the reciprocating swing of the ball block (27), to achieve the vibration effect of the arc filter screen (6), to prevent the arc filter screen (6) from being blocked; S7, start the stepper motor three (29) drive bidirectional screw rod (30) rotation, so that two gear block (31) through the two gear two (33) meshing with the two adjusting plate (34) can drive two reverse movement, to realize the adjustment of the distance between the two adjusting plate (34), so as to achieve the adjustment effect of recharge water speed, finally through the drain pipe (9) from the recharge box (4) into the recharge well, for groundwater recharge, for the prevention and treatment of geological subsidence; S8, after the recharge water, can be screwed out of the sealing cover (36) the collection box (7) in the sewage and impurities can be discharged.

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