A diversion and drainage device for hydraulic engineering

Abstract

The application belongs to the technical field of water conservancy equipment and facilities, and discloses a diversion and drainage device for water conservancy projects, which comprises a cofferdam, the cofferdam comprises a steel plate and a supporting steel beam, the inner side of the cofferdam is provided with a sewage submersible pump and a drainage pipe, the sewage submersible pump is arranged on the inner side of a sunken water tank, the inner wall of the cofferdam is provided with a plurality of wall-hanging grooves which are distributed along the circumferential direction of the cofferdam, the inner side of the wall-hanging grooves is a diversion channel and is used for guiding the leakage to the sunken water tank, the wall-hanging grooves close to the sunken water tank are provided with water outlet wall openings, the bottom of the wall-hanging grooves is provided with a horizontal pay-off assembly, the horizontal pay-off assembly comprises a wire rod used for lifting, one end of the horizontal pay-off assembly is upwardly penetrated from the abutting surface of the wall-hanging groove and the steel plate, and the top of the steel plate is provided with an anti-falling piece matched with the top end of the horizontal pay-off assembly. The application has the advantages of reasonable design, the ability to handle the leakage on the surface of the cofferdam, the realization of diversion and drainage, the facilitation of the construction safety of the inner side of the cofferdam and the suitability for large-scale promotion.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of water conservancy equipment and facilities, and relates to a water conservancy engineering diversion drainage device. BACKGROUND

[0002] In the construction operation of water conservancy hub projects, temporary construction facilities such as water retaining cofferdams often need to be constructed. The role of the cofferdam is to protect the design position and construction site of the water conservancy building, prevent water and soil from entering, avoid water and soil interference with construction, speed up the progress of foundation pit excavation and concrete pouring and ensure the quality. Common types of cofferdams include earth and rock cofferdams, concrete cofferdams, steel plate cofferdams and steel cylinder cofferdams. After the cofferdam is built, the water on the inside needs to be drained outward to leave a relatively open site for construction.

[0003] At present, the steel plate cofferdam is constructed by inserting multiple steel plates into the riverbed / sea bed in turn to form a relatively closed protective structure, such as the cofferdam support structure with a quick release structure disclosed in Chinese Patent No. CN118223516A and the water conservancy construction cofferdam water stop structure and its construction method disclosed in Chinese Patent No. CN113293782A. These facilities mainly improve the support effect of the support system of the cofferdam to ensure the quality of the cofferdam. However, due to the connection point position of adjacent steel plates, water leakage is inevitable. Although the leakage problem can be remedied on site, it requires a certain processing time, and the leakage into the root of the steel plate and the construction site will have some adverse effects on construction. Secondly, the water leaking into the inside of the cofferdam cannot flow to the position of the drainage pump in time, which will affect the favorable opportunity for drainage and increase the difficulty of subsequent treatment of other problems caused by leakage. SUMMARY

[0004] The present application is directed to the technical problems of the above-mentioned steel plate cofferdam in terms of water leakage and drainage, and proposes a water conservancy engineering diversion drainage device that is reasonably designed, can handle the leakage on the surface of the cofferdam, can realize diversion drainage and is conducive to the safety of construction on the inside of the cofferdam.

[0005] In order to achieve the above object, the technical scheme adopted by the present application is that the water conservancy diversion drainage device comprises a cofferdam, the cofferdam comprises a plurality of sequentially buckled steel plates, the inner side of the cofferdam is provided with a supporting steel beam, a sewage pump and a drainage pipe, the drainage pipe drains from bottom to top, the sewage pump is arranged on the inner side of a sunken water tank, the sunken water tank is arranged at the corner position of the cofferdam, the inner wall of the cofferdam is provided with a plurality of wall hanging grooves distributed along the circumference direction, the inner side of the wall hanging groove is a diversion channel and is used for guiding the water leakage to the sunken water tank, the wall hanging groove close to the sunken water tank is provided with a water outlet wall opening, the bottom of the wall hanging groove is provided with a horizontal unwinding assembly, the horizontal unwinding assembly comprises a wire rod used for lifting, one end of the horizontal unwinding assembly passes out upward from the abutting surface of the wall hanging groove and the steel plate, and the top of the steel plate is provided with a anti-falling piece matched with the top end of the horizontal unwinding assembly.

[0006] As a preferred, one side of the wall hanging groove is provided with a convex plate abutting with the inner side of a plurality of adjacent steel plates, and the other side of the wall hanging groove is provided with an overflow plate with a height less than that of the convex plate.

[0007] As a preferred, the wall hanging groove is a light plate with a groove structure and is provided with a plurality of internal structure holes inside, and the two ends of the internal structure holes pass through the two ends of the wall hanging groove.

[0008] As a preferred, the contact surface of the wall hanging groove and the steel plate is provided with a wire groove, the wire groove is provided with a rolling roller at the positions close to the upper and lower ends, and the roller surface of the rolling roller is matched with the plate surface of the steel plate and the wire rod of the horizontal unwinding assembly in the form of rolling contact.

[0009] As a preferred, the horizontal unwinding assembly comprises a wire box, the inside of the wire box is provided with a vertical shaft, the shaft end of the vertical shaft is provided with a winding handle, the wire rod is wound on the vertical shaft, and the end of the wire rod is provided with a pull head.

[0010] As a preferred, the wire box is a square structure and is provided with a counterweight on a plurality of side surfaces.

[0011] As a preferred, the anti-falling piece comprises an ear, the ear is provided with two front and rear spaced C-shaped parts, the C-shaped openings of the two C-shaped parts are reversely arranged left and right, and the central diameter of the C-shaped part is less than the diameter of the pull head.

[0012] As a preferred, the wall hanging groove is provided with an expansion module, the expansion module is buckled with the wall hanging groove and is used for expanding the cross section of the diversion channel horizontally.

[0013] As a preferred, the expansion module comprises a light groove plate, one side of the light groove plate is provided with a U-shaped flip buckle, the flip buckle is buckled with a stop edge arranged on the wall hanging groove and the buckling height is less than the other side of the light groove plate, and the two ends of the light groove plate are provided with blocking plates.

[0014] Preferably, the length of the light slot is greater than the length of the wall-hung slot.

[0015] Compared with the prior art, the application has the advantages and positive effects that:

[0016] The water conservancy diversion drainage device provided by the application can guide the water leaking from the steel plates to the sunken water tank through the wall-hung slot, avoid the accumulation of water at the root of the steel plate and the construction center, and drain the sewage from the cofferdam through the sewage pump, so as to achieve the purpose of diversion and drainage. The wall-hung slot can be lowered through the cooperation of the horizontal unwinding assembly and the anti-dropping piece, which is convenient for installing the wall-hung slot and forms an effective fitting relationship with the inner wall of the cofferdam. The application has the advantages of reasonable design, processing of the leakage of the cofferdam surface, realization of diversion and drainage, and facilitation of the construction safety inside the cofferdam, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 A perspective view of the water conservancy diversion drainage device provided by the embodiment;

[0019] Figure 2 A sectional view of the water conservancy diversion drainage device provided by the embodiment;

[0020] Figure 3 A perspective view of the water conservancy diversion drainage device provided by the embodiment; Figure 2 An enlarged schematic view of the water conservancy diversion drainage device in A;

[0021] Figure 4 A top view of the water conservancy diversion drainage device provided by the embodiment (without supporting steel beam);

[0022] Figure 5 A perspective view of the steel plate, the wall-hung slot, the expansion module and the horizontal unwinding assembly;

[0023] Figure 6 A perspective view of the steel plate, the wall-hung slot, the expansion module and the horizontal unwinding assembly; Figure 5 An enlarged schematic view of the B structure in A;

[0024] Figure 7 A bottom view of the steel plate, the wall-hung slot, the expansion module and the horizontal unwinding assembly;

[0025] Figure 8Fig. 1 is a front view of a steel plate, a wall-hung groove, an expansion module and a horizontal unwinding assembly;

[0026] Figure 9 Fig. 2 is a sectional view of the steel plate, the wall-hung groove, the expansion module and the horizontal unwinding assembly in the direction of G-G;

[0027] Figure 10 Fig. 3 is an enlarged schematic view of a C-shaped structure; Figure 9 Fig. 4 is a sectional view of the C-shaped structure;

[0028] In the above figures: 1, cofferdam; 11, steel plate; 12, supporting steel beam; 2, sewage pump; 3, drain pipe; 4, sunken water tank; 5, wall-hung groove; 51, water outlet wall opening; 52, convex plate; 53, overflow plate; 54, inner structure hole; 55, wiring groove; 56, rolling roller; 57, retaining edge; 6, horizontal unwinding assembly; 61, wire; 62, wire box; 63, vertical shaft; 64, wire winding handle; 65, pull head; 66, counterweight; 7, anti-dropping piece; 71, lifting lug; 72, C-shaped part; 8, expansion module; 81, light groove plate; 82, turn buckle; 83, blocking plate. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the accompanying drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict. For the convenience of description, the following text appears as "up", "down", "left", "right" only indicates the same direction as the up, down, left and right of the drawings, and does not limit the structure.

[0030] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific examples disclosed in the following description.

[0031] Examples, such as Figures 1-10As shown, the water conservancy diversion drainage device provided by the present application comprises a cofferdam 1, the cofferdam 1 comprises a plurality of steel plates 11 which are sequentially buckled, the inner side of the cofferdam 1 is provided with a supporting steel beam 12, a sewage pump 2 and a drainage pipe 3, and the drainage pipe 3 is arranged from bottom to top. The buckling structure of adjacent steel plates 11 is a prior art, the present application preferentially adopts a back-to-back shape buckling design, a sealing material commonly used for the cofferdam 1 can be filled in the buckling position, and the internal support of the supporting steel beam 12 enables the adjacent steel plates 11 to form a relatively continuous and stable cofferdam 1; the sewage pump 2 can be arranged in multiple numbers and distributed at the corner positions of the cofferdam 1, thereby facilitating drainage. In order to facilitate drainage, the present application is provided with a sunken water tank 4 at the corner position of the cofferdam 1, the sewage pump 2 is arranged at the inner side of the sunken water tank 4, and the water level of the sunken water tank 4 is lower than the construction level, thereby facilitating water flow collection and drainage of the cofferdam 1.

[0032] In order to improve the safety of the construction inside the cofferdam 1, the inner wall of the cofferdam 1 is provided with a plurality of wall-hanging grooves 5 which are distributed along the circumferential direction thereof, the inner side of the wall-hanging groove 5 is a flow guide channel and is used for guiding the water leakage to the sunken water tank 4, the wall-hanging groove 5 close to the sunken water tank 4 is provided with a water outlet wall opening 51, the bottom of the wall-hanging groove 5 is provided with a horizontal pay-off assembly 6, the horizontal pay-off assembly 6 comprises a wire 61 which is used for lifting, one end of the horizontal pay-off assembly 6 is upwardly penetrated from the abutting surface of the wall-hanging groove 5 and the steel plate 11, and the top of the steel plate 11 is provided with an anti-falling piece 7 which cooperates with the top end of the horizontal pay-off assembly 6.

[0033] Specifically, the present application can guide the water leakage from between the steel plates 11 to the sunken water tank 4 through the wall-hanging groove 5, and the sewage pump 2 can drain the sewage from the inside of the cofferdam 1, thereby achieving the purpose of diversion and drainage, avoiding the water penetration to the root of the steel plate 11 to affect the stability of the steel plate 11, and avoiding the water accumulation in the main construction range to affect the construction progress and safety. Further, the wall-hanging groove 5 of the present application can obtain a certain descending function through the cooperation of the horizontal pay-off assembly 6 and the anti-falling piece 7, especially when the cofferdam 1 is just built, the wall-hanging groove 5 can descend with the gradual emptying of the water inside the cofferdam 1, until the wire 61 of the horizontal pay-off assembly 6 is completely paid out, and the wall-hanging groove 5 reaches a preset level, so as to facilitate the installation of the wall-hanging groove 5, on the other hand, the wall-hanging groove 5 and the inner wall of the cofferdam 1 form an effective abutting relationship, which is beneficial to the wall-hanging groove 5 to reasonably guide the water leakage from the buckling position of the steel plate 11. Therefore, the present application has the advantages of reasonable design, processing of water leakage on the surface of the cofferdam 1, realization of diversion and drainage, facilitation of the construction safety inside the cofferdam 1, and saving of more rescue time for temporary sealing and other remedial measures at the water leakage position.

[0034] In order to improve the treatment performance of the cofferdam 1 surface water leakage of the present application, the wall-hung groove 5 can be effectively in contact with the steel plate 11. Specifically, the steel plate 11 is provided with a convex structure and the two ends of the steel plate 11 are provided with a back-shaped buckle structure. After buckling with the adjacent steel plate 11, the surface shape of the cofferdam 1 is matched, and one side of the wall-hung groove 5 in the present application is provided with a convex plate 52 which is in contact with the inner side of the plurality of adjacent steel plates 11. The other side of the wall-hung groove 5 is provided with an overflow plate 53 which is lower than the convex plate 52. The overflow plate 53 is lower than the convex plate 52, which can make the center of gravity deviate to the direction of the steel plate 11, which is beneficial to improve the stability of the wall-hung groove 5. On the other hand, it is convenient to suspend the expansion module 8. The convex part of the convex plate 52 is in contact with the outer convex part of the steel plate 11, and the concave part of the convex plate 52 is in contact with the inner convex part of the other steel plate 11. The contact surface provides multiple directions of clamping and supporting for the wall-hung groove 5 and the cofferdam 1. And the joint surface of the outer convex part and the inner convex part of the steel plate 11 is the main direction of the water leakage problem, so on the basis of establishing the positional relationship with the surface of the cofferdam 1, the wall-hung groove 5 can collect as much water as possible which leaks from top to bottom, so as to better complete the water diversion and drainage work.

[0035] In order to facilitate the suspension and installation of the wall-hung groove 5, the wall-hung groove 5 is provided with a light plate material in a groove structure and is provided with a plurality of internal structure holes 54 inside. The two ends of the internal structure hole 54 pass through the two ends of the wall-hung groove 5. The light material of the wall-hung groove 5 can be selected from organic light plate materials such as polystyrene plate, polyurethane plate and the like. In this way, the wall-hung groove 5 has a relatively light weight, which is beneficial to reduce the load of the wire 61, and the wall-hung groove 5 can be lowered under the action of buoyancy as the water in the cofferdam 1 is gradually drained, until a predetermined level is reached, so as to facilitate the installation of the wall-hung groove 5.

[0036] In order to improve the cooperation performance of the wall-hung groove 5 and the surface of the cofferdam 1, in addition to the design of the outer shape structure of the wall-hung groove 5, a wiring groove 55 is arranged on the contact surface of the wall-hung groove 5 and the steel plate 11. The rolling roller 56 is arranged near the upper and lower ends of the wiring groove 55. The roller surface of the rolling roller 56 is in rolling contact with the plate surface of the steel plate 11 and the wire 61 of the horizontal unwinding assembly 6. In this way, the wiring groove 55 leaves a wiring space for the wire 61, so that the wall-hung groove 5 is better in contact with the surface of the cofferdam 1. The rolling roller 56 reduces the unwinding resistance of the wire 61 in a rolling manner, and can also play a guiding role to reduce the probability of the wall-hung groove 5 being tilted. In addition, the wall-hung groove 5 is lowered along the steel plate 11 in a rolling manner, reducing the descending friction of the wall-hung groove 5.

[0037] In order to improve the cooperation performance of the horizontal unwinding assembly 6 and the wall-hung groove 5 and the anti-dropping piece 7, the horizontal unwinding assembly 6 provided by the application comprises a wire box 62, the inside of the wire box 62 is provided with a vertical shaft 63, the shaft end of the vertical shaft 63 is provided with a take-up handle 64, the wire 61 is wound on the vertical shaft 63, and the end of the wire is provided with a pull head 65. Wherein, the wire box 62 is arranged at a relatively wide position at the bottom of the wall-hung groove 5, one side of the wire box 62 corresponds to the convex surface of the convex plate 52, the wire 61 is led out from between the steel plate 11 and the convex surface of the convex plate 52 and is connected to the anti-dropping piece 7 from bottom to top, the tension and pressure generated by the leading direction of the wire 61 can further improve the anti-overturning performance of the wall-hung groove 5; the diameter of the pull head 65 is greater than the diameter of the wire 61, and the wire head can be clamped on the anti-dropping piece 7, thereby providing a stable positioning node for the top end of the horizontal unwinding assembly 6. After the cofferdam 1 completes temporary construction protection, the wire 61 can be wound by rotating the vertical shaft 63 through the take-up handle 64, thereby facilitating the removal and winding of the wall-hung groove 5.

[0038] Further, the wire box 62 provided by the application is a square structure and a plurality of side surfaces thereof are provided with counterweight blocks 66, the counterweight blocks 66 are in the form of weights and are threadedly connected to the outside of the wire box 62, by arranging the counterweight blocks 66, the gravity center position of the wall-hung groove 5 can be finely adjusted, so that the wall-hung groove 5 can be effectively attached to the surface of the cofferdam 1.

[0039] As shown in the drawings, Figure 6 The anti-dropping piece 7 provided by the application comprises an ear 71, two front and rear spaced C-shaped portions 72 are arranged on the ear 71, the C-shaped openings of the two C-shaped portions 72 are arranged in reverse left and right directions, and the center diameter of the C-shaped portion 72 is smaller than the diameter of the pull head 65. Wherein, the front and rear spacing of the two C-shaped portions 72 can be used for wire passing, the wire 61 is wedged into the opening end of one C-shaped portion 72, is inserted between the two C-shaped portions 72, and is led out from the opening end of the other C-shaped portion 72, and the pull head 65 is clamped on the outside of the latter C-shaped portion 72. In this way, not only can the end of the wire 61 be effectively provided with a stable and reliable anti-tension node, but also has good rapid connection performance, is free of bolt connection, has a simple structure and strong practicability.

[0040] Considering that the water leakage from the steel plate 11 at a higher position of the cofferdam 1 has a relatively long distance, the application is provided with an expansion module 8 on the wall-hung groove 5, the expansion module 8 is buckled with the wall-hung groove 5 and is used for horizontally expanding the cross section of the flow guide channel. By arranging the design of the expandable flow guide channel, the probability of water leakage into the construction range can be effectively reduced, and the position flexibility of the expansion module 8 is high, so that the expansion module 8 can be installed and adjusted according to the specific position of the water leakage problem on the surface of the cofferdam 1.

[0041] Further, the extension module 8 provided by the present application comprises a light trough plate 81, one side of the light trough plate 81 is provided with a U-shaped flip buckle 82, the flip buckle 82 is buckled with the blocking edge 57 arranged on the wall-hung trough 5 and the buckling height is less than the other side of the light trough plate 81, and the light trough plate 81 is provided with a blocking plate 83 at both ends. Wherein, the light trough plate 81 is hung on the wall-hung trough 5 to avoid a large overturning angle of the wall-hung trough 5; the light trough plate 81 is designed to be blocked at both ends, so that it can be flexibly installed on the wall-hung trough 5 at different positions without guiding water to the construction range; the blocking plate 83 blocks the light trough plate 81 to make the water leaked by the light trough plate 81 overflow to the wall-hung trough 5, so that the water flows and collects in the downward sinking sink 4, thereby facilitating the water diversion and drainage work.

[0042] In order to improve the installation stability of the light trough plate 81, the length of the light trough plate 81 provided by the present application is greater than the length of the wall-hung trough 5, so that after the light trough plate 81 is quickly connected with the blocking edge 57 through the flip buckle 82, it is actually connected with at least two wall-hung troughs 5, and the support surface of the plurality of wall-hung troughs 5 in the water diversion direction is sufficient to support the wall-hung trough 5 and the light trough plate 81, so as to ensure the installation stability of the light trough plate 81.

[0043] The above is only a preferred embodiment of the present application, and is not intended to limit other forms of the present application. Any person skilled in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments without departing from the technical solution content of the present application still belongs to the protection scope of the present application.

Claims

1. A water conservancy diversion drainage device, comprising a cofferdam, the cofferdam comprises a plurality of sequentially buckled steel plates, the inner side of the cofferdam is provided with a supporting steel beam, a sewage submersible pump and a drainage pipe, the drainage pipe drains from bottom to top, characterized in that, The submerged sump is arranged at the inner side of the cofferdam, the inner wall of the cofferdam is provided with a plurality of wall-hanging grooves distributed along the circumferential direction, the inner side of the wall-hanging groove is a flow guide channel and is used for guiding water leakage to the submerged sump, the wall-hanging groove near the submerged sump is provided with a water outlet wall opening, the bottom of the wall-hanging groove is provided with a horizontal unwinding assembly, the horizontal unwinding assembly includes a wire for lifting, one end of the wire of the horizontal unwinding assembly passes upward from the abutting surface of the wall-hanging groove and the steel plate, the top of the steel plate is provided with a anti-falling piece matched with the top end of the horizontal unwinding assembly.

2. The water conservancy diversion and drainage device according to claim 1, characterized in that, One side of the wall-hanging groove is provided with a convex plate abutting with the inner side of a plurality of adjacent steel plates, and the other side of the wall-hanging groove is provided with an overflow plate with a height less than that of the convex plate.

3. The water conservancy diversion and drainage device according to claim 2, characterized in that, The wall-hanging groove is a light plate with a groove structure and is provided with a plurality of internal structure holes inside, and the two ends of the internal structure holes pass through the two ends of the wall-hanging groove.

4. The diversion and drainage device for hydraulic engineering according to claim 1 or 3, characterized in that, The contact surface between the wall-hanging groove and the steel plate is provided with a wire routing groove, the wire routing groove is provided with a rolling roller near the upper and lower ends thereof, and the roller surface of the rolling roller is matched with the plate surface of the steel plate and the wire of the horizontal unwinding assembly in a rolling contact form.

5. The water conservancy diversion and drainage device according to claim 1, characterized in that, The horizontal unwinding assembly includes a wire box, the inside of the wire box is provided with a vertical shaft, the shaft end of the vertical shaft is provided with a take-up handle, the wire is wound on the vertical shaft, and the end of the wire is provided with a pull head.

6. The water conservancy diversion and drainage device according to claim 5, characterized in that, The wire box is a square structure and is provided with a counterweight on the plurality of sides thereof.

7. The water conservancy diversion and drainage device according to claim 5, characterized in that, The anti-falling piece includes a lifting lug, the lifting lug is provided with two C-shaped portions distributed in front and back, the C-shaped openings of the two C-shaped portions are arranged in left and right reverse directions, and the central diameter of the C-shaped portion is less than the diameter of the pull head.

8. The diversion and drainage device for hydraulic engineering according to claim 1 or 2, characterized in that The wall-hanging groove is provided with an expansion module, the expansion module is buckled with the wall-hanging groove and is used for horizontally expanding the cross section of the flow guide channel.

9. The water conservancy diversion and drainage device according to claim 8, characterized in that, The expansion module includes a light groove plate, one side of the light groove plate is provided with a U-shaped flip buckle, the flip buckle is buckled with a stop edge provided on the wall-hanging groove and the buckling height is less than the other side of the light groove plate, and the two ends of the light groove plate are provided with blocking plates.

10. The water conservancy diversion and drainage device according to claim 9, characterized in that, The length of the light groove plate is greater than the length of the wall-hanging groove.

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