CN220908308U - Dykes and dams anti-seepage structure - Google Patents

Abstract

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a dyke permeation prevention structure. The utility model provides a dyke anti-seepage subassembly, contain dyke body, a motor, the threaded rod, movable block and waterproof board, motor output shaft connects the threaded rod, the movable block is connected to threaded rod surface, the waterproof board is used for preventing dyke body upstream face from receiving the impact of water, dyke body lower surface fixedly connected with dyke base, set up the backup pad between waterproof board and upstream face, the backup pad is located upstream face both sides, the fixed plate is connected to backup pad top face, form the closed chamber between waterproof board and the upstream face, the threaded rod sets up in the closed chamber, movable block one end and upstream face sliding connection, the other end and waterproof board can dismantle the link, the motor work drives the threaded rod rotation, the threaded rod rotation drives the movable block and slides from top to bottom along the upstream face. Because the waterproof board directly moves up and down through the transmission device, the transmission efficiency is high, and the waterproof board is replaced after moving upwards, so that construction staff can conveniently construct above the dykes and dams.

Description

Dykes and dams anti-seepage structure

Technical Field

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a dyke permeation prevention structure.

Background

Dykes and dams generally refer to waterproof, water-blocking buildings or structures for reducing water hazards. Modern dykes and dams building is mainly with concrete dam, and in its use, along with the continuous washing of river water to concrete dam, concrete on concrete dam top layer probably takes place to drop, and the river water is stretched into the inside of concrete dam and corrodes inner structure this moment, has the potential safety hazard that the leak even breaks appear in dykes and dams. Therefore, in practice, a mode of adding a water baffle is often adopted to protect the concrete dam.

In the concrete implementation, the water baffle is found to be severely corroded due to being paved on the inclined surface of the dam, and needs to be replaced frequently, so that the replacement of the water baffle becomes a new problem. Chinese patent: CN214116482U discloses a river course dykes and dams flood control prevention and seepage prevention reinforcing apparatus, specifically discloses a removable breakwater's anti-seepage device, lay the breakwater on the slope of dykes and dams, when the breakwater is corroded comparatively seriously when needs are changed, rotate the screw cone and unscrew ground, take off the cover body, the starter motor, the motor drives the threaded rod and rotates, the threaded rod can drive the movable block and move right, the movable block drives the connecting rod motion, the connecting rod drives the movable plate motion, the movable plate drives the inserted block and leaves the slot, just can take off connecting block and breakwater, and then realize the breakwater of renewing. Although the device can realize the change of breakwater, the structure is complicated, adopts multistage transmission, and transmission efficiency is low, and when the breakwater was taken down, the position was lower, and the operation personnel was under construction inconvenient in practice.

Disclosure of utility model

The utility model provides a dam anti-seepage structure, which aims to solve the problems that an existing dam anti-seepage device is complex in structure and inconvenient to replace a water baffle.

The technical scheme adopted for solving the technical problems is as follows:

Dyke anti-seepage structure contains dyke body, a motor, the threaded rod, movable block and waterproof board, motor output shaft connects the threaded rod, threaded rod surface connection movable block, the waterproof board is used for preventing dyke body upstream face and receives the impact of water, dyke body lower surface fixedly connected with dyke base, set up the backup pad between waterproof board and dyke body upstream face, the backup pad is located dyke body upstream face both sides, the fixed plate is connected to backup pad top face, form the closed chamber between waterproof board and the dyke body upstream face, the threaded rod sets up in the closed intracavity, movable block one end and dyke body upstream face sliding connection, the other end and waterproof board detachable link, motor work drives the threaded rod rotation, the threaded rod rotation drives the movable block and reciprocates along dyke body upstream face.

In the application, the motor drives the threaded rod to rotate, and then the moving block on the threaded rod moves up and down, so that the moving block moves to drive the waterproof plate to move up and down, and as the waterproof plate directly moves up and down through the transmission device, the transmission efficiency is high, and the waterproof plate is replaced after moving up, so that construction is convenient for constructors to construct above a dam; in order to protect a transmission device, a supporting plate and a fixed plate are additionally arranged in the waterproof and dust-proof dam, a closed cavity is surrounded between the waterproof plate and the upstream surface of the dam body, and the waterproof and dust-proof effect is achieved by arranging a threaded rod and a moving block in the closed cavity.

In some embodiments, the dam further comprises a grid baffle, one end of the moving block is in sliding connection with the upstream surface of the dam body, the other end of the moving block is connected with the grid baffle, the waterproof plate is detachably connected to the grid baffle, and the waterproof plate is indirectly connected with the moving block through the grid baffle.

In this embodiment, the grid baffle is further added, the waterproof board is detachably connected with the grid baffle, and the waterproof board is indirectly connected with the moving block through the grid baffle. At this time, the fixed position between the check baffle and the waterproof board can be conveniently adjusted, and the position is selected according to the actual situation, so that the operation of constructors is convenient.

In some embodiments, the dam further comprises a grid baffle, one end of the movable block is in sliding connection with the upstream surface of the dam body, the other end of the movable block is connected with the grid baffle, a hollow structure which is arranged relative to the waterproof plate is arranged inside the grid baffle, an opening which is communicated with the hollow structure is arranged on the top end face of the grid baffle, the waterproof plate can be put in and taken out from the opening of the top end face of the grid baffle, and the waterproof plate is indirectly connected with the movable block through the grid baffle.

In this embodiment, still add the check baffle, the hollow structure has been seted up for the waterproof board to the check baffle inside, and the check baffle top end face sets up the opening, and the waterproof board is placed in hollow structure through check baffle top end face opening. When the waterproof board needs to be replaced, the grid baffle and the waterproof board move upwards integrally through the transmission structure, disassembly operation is not needed, and only the waterproof board needs to be taken out of the grid baffle and put in a new waterproof board, so that constructors can work more conveniently. And can provide multiple protection, even the check baffle is eroded by water, the waterproof board still can take place the efficiency, and the main effect of check baffle is for the waterproof board provides the location, consequently, even if receive erosion, as long as can play spacing effect, the change demand is not big.

In some embodiments, threaded rods are arranged on two sides of the upstream surface of the dam body, and each threaded rod is provided with a motor and a moving block respectively.

In this embodiment, the load borne by the threaded rod and the motor can be reduced with respect to a single threaded rod and motor, and the moment influence due to the driving force eccentricity can also be reduced.

In some embodiments, a positioning groove is formed on the upper end surface of the dam base for positioning the support plate.

In the embodiment, the dam base is provided with a positioning groove, so that the support plate is positioned and fixed conveniently.

In some embodiments, the upper end surface of the dam base is provided with a water storage tank for collecting water in the closed cavity, and the positioning grooves are positioned on two sides of the water storage tank.

In the embodiment, the water storage tank is arranged on the dam base and used for collecting water in the closed cavity, so that the direct contact between the water in the closed cavity and the upstream surface of the dam body is avoided, and the anti-seepage effect is further improved. Preferably, the positioning groove is positioned at two sides of the water storage groove, at the moment, the water storage groove is communicated with or integrated with the positioning groove, the processing is convenient, the side edge part of the water storage groove plays a role of a positioning support plate, and the middle part can collect water in the closed cavity.

In some embodiments, the water pump, the water suction pipe and the hollow round groove are further included, the hollow round groove is arranged on the top end face of the fixing plate, the water suction pipe penetrates through the hollow round groove, one end of the water suction pipe is connected with the water pump, and the other end of the water suction pipe is connected with the water storage tank.

In the embodiment, the water pump, the water suction pipe and the hollow circular groove are additionally arranged, so that water in the closed cavity can be discharged through the structure, and the anti-seepage function is further enhanced; and at the moment, even if the external water surface is higher than the upper surface of the dam base, after the waterproof board is replaced, the water in the closed cavity can be timely pumped out, so that the adaptability of the permeation prevention structure provided by the application is improved.

In some embodiments, the water storage tank is V-shaped overall and is used for collecting water in the closed cavity, and the lower end of the water suction pipe is connected with the lowest position of the water storage tank.

In the embodiment, the water storage tank is in a V shape as a whole, the lower end of the water suction pipe is connected with the lowest position of the water storage tank, so that water in the closed cavity can be conveniently completely pumped out, and a better anti-seepage effect is provided.

In some embodiments, the water suction pipe is integrally arranged along the upstream surface of the dam body in a straight line, the lower end of the water suction pipe is connected with the lowest position of the water storage tank, and the upper end of the water suction pipe penetrates through the hollow circular groove to be connected with the water pump.

In this embodiment, the length requirement of the suction pipe is the shortest on the premise of ensuring the water pumping function. In order to realize the implementation of the water suction pipe, the lowest point position of the water storage tank on the structure and the position of the hollow round groove on the fixing plate are mutually corresponding.

In some embodiments, the fixed plate top surface is flush with the dam body top surface, and the motor and the water pump are both disposed on the fixed plate top surface.

In the embodiment, the top end surface of the fixing plate is arranged on the top end surface of the dam body to be flush, so that the effective laying of the waterproof plate is ensured, and the waterproof plate is convenient to detach and replace; the motor and the water pump are arranged on the top end surface of the fixed plate, the implementation is convenient, and the requirement of the water suction pipe is short.

The beneficial effects of the utility model are as follows:

1. The motor drives the threaded rod to rotate, and then the moving block on the threaded rod drives the waterproof plate to move up and down along the upstream surface of the dam body, and as the waterproof plate directly moves up and down through the transmission device, the transmission efficiency is high, and the waterproof plate is replaced after moving upwards, so that a constructor can conveniently replace the waterproof plate above the dam; the supporting plate and the fixing plate are additionally arranged, a closed cavity is enclosed between the waterproof plate and the upstream surface of the dam body, the threaded rod is arranged in the closed cavity, water and dust are prevented, and the service life of the anti-seepage structure is prolonged.

2. The grid baffle plates are additionally arranged, so that the waterproof plates can be replaced more conveniently and rapidly; a positioning groove is formed, so that the positioning and the fixing of the supporting plate are facilitated; the water storage tank is arranged, water in the closed cavity is collected, and contact and permeation of the water to the dam body are reduced; the positioning grooves are arranged on two sides of the water storage groove, so that the water storage groove is convenient to process, and two functions can be realized by arranging one groove.

3. The water pump and the water suction pipe are additionally arranged, so that water in the closed cavity can be discharged more conveniently, and even if the waterproof board is replaced, water in the closed cavity can be discharged in time, and the adaptability of the anti-seepage structure is improved.

Drawings

FIG. 1 is an overall schematic diagram of a dam permeation prevention structure according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a dam assembly in a dam permeation preventing structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a barrier component in a dam permeation prevention structure according to an embodiment of the present utility model;

FIG. 4 is an overall schematic diagram of a dyke-dam permeation prevention structure according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a dam assembly in a two-dam permeation prevention structure according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a barrier component in a dyke-dam permeation prevention structure according to an embodiment of the present utility model;

Fig. 7 is a schematic structural view of an impermeable module in a dyke-dam impermeable structure according to an embodiment of the present utility model.

Reference numerals illustrate:

100. A dam assembly; 110. a dike base; 120. a dike body; 200. a movable grid assembly; 210. a support plate; 220. a fixing plate; 230. a threaded rod; 240. a motor; 250. a moving block; 260. a grid baffle; 270. a waterproof board; 300. a permeation prevention assembly; 310. a water storage tank; 320. a water suction pipe; 330. a hollow water tank; 340. and (3) a water pump.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-3, the present utility model provides a dike permeation preventing structure. As shown in fig. 1, the dam permeation preventing structure mainly comprises two parts, namely a dam assembly 100 and a movable barrier assembly 200.

As shown in fig. 2, the dike assembly 100 includes a dike base 110 and a dike body 120. A water storage tank 310 is provided at a position of the dike base 110 close to the dike body 120. Specifically, the lower surface of the bank body 120 is attached to the upper surface of the bank base 110.

As shown in fig. 3, the movable barrier assembly 200 includes a support plate 210, a fixed plate 220, a threaded rod 230, a motor 240, a moving block 250, a barrier plate 260, and a waterproof plate 270. In connection with fig. 1, the dam assembly 100 and the movable barrier assembly 200 enclose a closed cavity.

Specifically, the support plate 210 has an L-shaped structure, the lower portion thereof abuts against the water storage tank 310, and the upper portion thereof is connected to the fixing plate 220. A driving device including a threaded rod 230, a motor 240 and a moving block 250 is disposed along the upstream surface of the dike body 120, and one end of the moving block 250, which is far away from the upstream surface of the dike body 120, is connected to a grid baffle 260, and in this embodiment, the grid baffle 260 includes a hollow cavity structure for placing a waterproof board 270.

The output shaft of the motor 240 is connected with the threaded rod 230, the surface of the threaded rod 230 is connected with the moving block 250, and the moving block 250 is slidably connected with the upstream surface of the dam body 120. In use, the motor 240 is started, and the output shaft rotates to drive the threaded rod 230 to rotate, so as to drive the moving block 250 to move up and down along the upstream surface of the dam body 120.

In combination with the connection between the grid baffle 260 and the moving block 250, the motor 240 operates to drive the grid baffle 260 to move up and down along the upstream surface of the dike body 120. In combination with the waterproof board 270 being placed in the hollow structure of the grid baffle 260, the motor 240 operates to drive the waterproof board 270 to move up and down along the upstream surface of the dam body 120. This is done to facilitate replacement of the flashing 270.

In the present embodiment, for convenient replacement of the waterproof board 270, it is preferable that the waterproof board 270 is placed in the hollow structure of the grid baffle 260.

Alternatively, the hollow cavity structure of grid baffle 260 is not limited to the illustrated structure, such as: based on the illustrated structure, the side surface of the far dike body 120 side is not a complete plane, but a grid shape. So long as the waterproof board 270 can be limited. The point here is that no additional fasteners are required between the flashing 270 and the grid baffle 260 to facilitate subsequent replacement of the flashing 270.

Alternatively, grid baffle 260 is not provided with a hollow cavity, such as: only the square plate having the same size as the waterproof plate 270 is detachably connected to the grid baffle 260, and the waterproof plate 270 can be replaced at this time.

Further alternatively, in some embodiments, the grid baffle 260 is not provided, and the waterproof board 270 is directly detachably connected to the moving block 250, so that the waterproof board 270 can be driven to move up and down. At this time, the waterproof plate 270, the support plate 210, the fixing plate 220, the dam base 110 and the dam body 120 surround to form a closed cavity to form a waterproof and dust-proof effect. In the case of the two cases where the lattice baffle 260 is provided, a closed cavity is formed by surrounding the lattice baffle 260, the support plate 210, the fixing plate 220, the dam base 110 and the dam body 120, so that a waterproof and dust-proof effect is formed.

In the present embodiment, it is preferable that, as shown in fig. 1 and 3, the top end face of the fixing plate 220 is disposed flush with the top end face of the dam body 120, and the motor 240 is disposed on the top end face of the fixing plate 220. At this time, the lowest position of the moving block 250 may be close to the dam base 110, the highest position of the moving block 250 may be close to the highest point of the dam body 120, the moving block 250 has a long stroke, and the moving block 250 may be more conveniently used for replacing the waterproof board 270, and the impact of water to the dam body 120 is avoided as much as possible.

In this embodiment, as shown in fig. 2, a water storage tank 310 is provided at a position of the dam base 110 close to the dam body 120. As shown in fig. 3, the water storage tank 310 not only can store water in the closed cavity to avoid water from contacting and penetrating the dam body 120, but also can provide positioning and fixing functions for the support plate 210 at two sides of the water storage tank 310.

Alternatively, in some embodiments, positioning grooves are formed only at two sides of the upper end surface of the dam base 110, the positioning grooves are used for positioning and fixing the support plate, and the water storage groove 310 is not formed at the middle position.

Further alternatively, in some embodiments, the positioning grooves may not be provided, and the support plate 210 may be fixed to the dam body 120 or the dam base 110 by other common means, such as screw connection, etc.

In the present embodiment, the support plate 210 and the fixing plate 220 are mainly used to enclose a closed cavity. The fixing plate 220 also plays a role of bearing the motor 240 in the present embodiment, and in addition, since the threaded rod 230 is inclined in the present embodiment, the fixing plate 220 can also assist in fixing the threaded rod 230.

It should be apparent that the aforementioned support plate 210 has an L-shaped structure, which is also only a preferred example, and the implementation can be adaptively adjusted according to the requirement, and the focus is to achieve the aforementioned closed cavity formation to achieve the waterproof and dust-proof effects.

In this embodiment, the threaded rod 230 is a ball screw, and the motor 240 is a servo motor.

Further, as shown in fig. 3, it is preferable that ball screws, servo motors and moving blocks 250 are provided at both sides of the dam body 120. At this time, the two sets of driving devices jointly drive one waterproof board 270 to move. Compared with a single-group driving device, the load of the ball screw and the servo motor is reduced, and the size of the ball screw can be reduced.

Working principle: the bottom end of the supporting plate 210 is fixed at the upper end position of the dam base 110, the inner side surface of the supporting plate 210 is contacted with the outer surface of the dam body 120, the fixing plate 220 is fixed on the top end surface of the supporting plate 210, the two ends of the ball screw 230 are respectively connected with the upper end surface of the dam base 110 and the servo motor 240, the moving block 250 is connected with the outer surface of the ball screw 230, the inner end surface of the moving block 250 is attached to the upstream surface of the dam body 120, the outer end surface of the moving block 250 is connected with the grid baffle 260, and the waterproof plate 270 is placed inside the grid baffle 260. The servo motor 240 is started to drive the ball screw 230 to rotate, the ball screw 230 and the moving block 250 convert the rotary motion into linear motion, the moving block 250 and the grid baffle 260 are driven to move up and down, the grid baffle 260 and/or the waterproof plate 270 can be replaced when moving up, and the impact of water on the upstream surface of the dam body 120 is prevented when moving down.

Example two

As shown in fig. 4-7, the present utility model provides a dike permeation preventing structure. As shown in fig. 4, the main difference between this embodiment and the first embodiment is the arrangement of the permeation prevention assembly 300.

Specifically, the water pump comprises a hollow water tank 330 arranged on a fixed plate 220, and further comprises a water suction pipe 320, wherein the water suction pipe 320 penetrates through the hollow water tank 330, the lower end of the water suction pipe 320 is connected with the lowest position of the water storage tank 310, and the upper end of the water suction pipe is connected with a water pump 340 positioned above the top end surface of the fixed plate 220.

The difference between the present embodiment and the first embodiment also includes that the water storage tank 310 is formed on the top surface of the dam base 110, and in the present embodiment, the water storage tank 310 is preferably V-shaped in parallel to the extending direction of the dam body 120. At this time, the water storage tank 310 is not in the same plane, so that water in the closed cavity is conveniently collected, and the water in the closed cavity is conveniently pumped out by matching with the water suction pipe 320 and the water pump 340.

As shown in fig. 7, the support plate 210 has an L-shaped structure, and partially shields the movable block 250, and the surface of the grid baffle 260 contacting the movable block 250 is a plane, so that the movable block 250 is stepped on the upstream side of the dike body 120. And are not necessarily limited thereto. Alternatively, the grid baffle 260 may be shaped or the support plate 210 may not cover the moving block 250. As long as a closed cavity is formed between the lattice baffle 260 and the upstream surface of the dike body 120, and the lattice baffle 260 can move up and down along with the moving block 250.

In the first embodiment, when the external water level is higher than the dam base 110, water remains in the closed cavity after the waterproof board 270 is replaced, and at this time, the impact of water on the dam body 120 can be avoided, but it is difficult to avoid the direct contact and penetration of water on the dam body 120, and the service life of the transmission structure in the closed cavity is also affected. In practice, therefore, in order to avoid the foregoing problems, the timing for replacing the waterproof board 270 is required to be high.

In this embodiment, the water pump 340 and the water suction pipe 320 are added, so that the water in the closed cavity can be conveniently pumped out. Therefore, after the waterproof board 270 is replaced, even if water exists in the closed cavity, the water can be timely extracted, and the adaptability of the structure is improved. It should be noted that the positions of the water storage tank 310, the water suction pipe 320, the hollow water tank 330 and the water pump 340 in this embodiment are shown as the preferred embodiments, and are not particularly limited, so that the water in the closed cavity can be pumped out.

Working principle: the water storage tank 310 inclined to the center is arranged on the upper end surface of the dam base 110, the bottom end of the water suction pipe 320 is placed at the center position of the water storage tank 310, the water suction pipe 320 is connected with the water pump 340 through the hollow circular groove 330 on the fixing plate 220, the water pump 340 is fixed at the upper end position of the fixing plate 220, and when water exists between the grid baffle 260 and the dam body 120, the water is collected into the water storage tank 310. The water pump 340 is started, and water between the grid baffle 260 and the dam body 120 can be discharged outwards through the water suction pipe 320, so that the dam body 120 is prevented from being in direct contact with water.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a dyke anti-seepage structure, contain dyke body (120), motor (240), threaded rod (230), movable block (250) and waterproof board (270), motor (240) output shaft threaded rod (230), threaded rod (230) surface connection movable block (250), waterproof board (270) are used for preventing dyke body (120) upstream face and receive the impact of water, a serial communication port, dyke body (120) lower surface fixedly connected with dyke base (110), set up backup pad (210) between waterproof board (270) and dyke body (120) upstream face, backup pad (210) are located dyke body (120) upstream face both sides, fixed plate (220) are connected to backup pad (210) top face, form the closed chamber between waterproof board (270) and dyke body (120) upstream face, threaded rod (230) set up in the closed chamber, movable block (250) one end and dyke body (120) upstream face sliding connection, the other end is connected with waterproof board (270) can be dismantled, motor (240) work drives threaded rod (230) rotation, threaded rod (230) rotation drive movable block (250) along dyke body (120) upstream face up-down.

2. The dyke permeation prevention structure according to claim 1, further comprising a check plate (260), wherein one end of the movable block (250) is slidably connected to the upstream surface of the dyke body (120), the other end is connected to the check plate (260), a waterproof plate (270) is detachably connected to the check plate (260), and the waterproof plate (270) is indirectly connected to the movable block (250) through the check plate (260).

3. The dyke permeation prevention structure according to claim 1, further comprising a check plate (260), wherein one end of the movable block (250) is slidably connected with the water facing surface of the dyke body (120), the other end is connected with the check plate (260), a hollow structure opened relative to the waterproof plate (270) is arranged inside the check plate (260), an opening communicated with the hollow structure is arranged on the top end surface of the check plate (260), the waterproof plate (270) can be put in and taken out from the opening of the top end surface of the check plate (260), and the waterproof plate (270) is indirectly connected with the movable block (250) through the check plate (260).

4. A dam permeation prevention structure according to any one of claims 1 to 3, wherein threaded rods (230) are provided on both sides of the upstream surface of the dam body (120), and each threaded rod (230) is provided with a motor (240) and a moving block (250) respectively.

5. A dam permeation prevention structure according to claim 1, wherein a positioning groove is provided at an upper end surface of the dam base (110) for positioning the support plate (210).

6. The dam permeation prevention structure according to claim 5, wherein the upper end surface of the dam base (110) is provided with a water storage tank (310) for collecting water in the closed cavity, and the positioning grooves are positioned at both sides of the water storage tank (310).

7. The dam permeation prevention structure according to claim 6, further comprising a water pump (340), a water suction pipe (320) and a hollow circular groove (330), wherein the hollow circular groove (330) is arranged on the top end surface of the fixing plate (220), the water suction pipe (320) penetrates through the hollow circular groove (330), one end of the water suction pipe (320) is connected with the water pump (340), and the other end is connected with the water storage tank (310).

8. The dam permeation prevention structure according to claim 7, wherein the water storage tank (310) is formed in a V shape as a whole for collecting water in the closed cavity, and the lower end of the water suction pipe (320) is connected to the lowest position of the water storage tank (310).

9. The barrier permeation prevention structure according to claim 8, wherein the water suction pipe (320) is integrally provided in a straight line along the upstream surface of the barrier body (120), the lower end is connected to the lowest position of the water storage tank (310), and the upper end is connected to the water pump (340) through the hollow circular groove (330).

10. The dyke-dam permeation preventing structure according to claim 9, wherein the top end face of the fixing plate (220) is flush with the top end face of the dyke-dam body (120), and the motor (240) and the water pump (340) are both provided on the top end face of the fixing plate (220).