Suspended cable trench waterproof and drainage device

Abstract

The utility model discloses a suspension type cable trench waterproof and drainage device, which relates to the technical field of transformer substation cable trenches, comprises a drainage mechanism and a cable trench cover plate, and is structurally characterized in that the drainage mechanism is inserted into two side walls of a cable trench main body, and the cable trench cover plate covers the top of the drainage mechanism; the drainage mechanism on the inner side of the cable trench body is provided with a water conveying groove, and a cable groove is formed between the cable trench body and the cable trench cover plate. The water conveying groove is formed in the drainage mechanism on the inner side of the cable trench body, the water conveying groove guides water flow entering through the joint of the cable trench cover plate and the drainage mechanism so as to prevent the water flow from entering the cable trench through a gap in the joint of the cable trench cover plate and the drainage mechanism, and the water seepage problem of the cable trench is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable trenches in transformer substations, in particular to a suspended cable trench anti-drainage device. Background Art

[0002] With the continuous acceleration of new energy construction projects in my country, the construction conditions of substations are getting worse and worse. At present, more substations are built in mountainous areas, where there is sufficient rainfall but the drainage system is not perfect. At present, the waterproof design of the substation cable trench often adopts the design method of designing the cable trench to be higher than the ground. Such a design method cannot completely solve the waterproof problem of the cable trench. During the rainy season, rainfall will continuously enter the cable trench along the intersection of the cable trench cover or over the side wall of the cable trench, and a large amount of rainwater will be collected in the cable trench, thereby affecting the production and operation and maintenance of the substation. Utility Model Content

[0003] The utility model aims to provide a suspended cable trench anti-drainage device, wherein the drainage mechanism inside the cable trench is provided with a water delivery trough, which is used to guide the water flow entering through the connection between the cable trench cover plate and the drainage mechanism, thereby solving the water seepage problem of the cable trench.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] One aspect of an embodiment of the utility model provides a suspended cable trench drainage prevention device, the drainage prevention device comprising: a drainage mechanism, the drainage mechanism is plugged into the two side walls of the cable trench; a cable trench cover, the cable trench cover covers the top of the drainage mechanism; the drainage mechanism on the inner side of the cable trench is provided with a water trough, the water trough is used to guide the water flow entering through the connection between the cable trench cover and the drainage mechanism; a cable trench is opened between the cable trench and the cable trench cover.

[0006] In some embodiments, the drainage mechanism includes: a longitudinal drainage mechanism, which is used to be plugged into the two side walls of the cable trench, and the cable trench cover covers the top of the longitudinal drainage mechanism; a transverse drainage mechanism, which is used to be plugged into the two side walls of the cable trench and connect the longitudinal drainage mechanisms at both ends of the cable trench, and the transverse drainage mechanism is arranged below the connection between the two cable trench covers to divert the water flow entering through the connection between the two cable trench covers.

[0007] In some embodiments, the longitudinal drainage mechanism includes a first end longitudinal drainage mechanism and a second end longitudinal drainage mechanism, the first end longitudinal drainage mechanism and the second end longitudinal drainage mechanism have the same structure, the first end longitudinal drainage mechanism and the second end longitudinal drainage mechanism both include a first outer limiting water baffle, a first transverse connecting plate, a first side wall of the longitudinal water trough, a bottom plate of the longitudinal water trough and a second side wall of the longitudinal water trough, the middle portion of the first outer limiting water baffle is connected to one end of the first transverse connecting plate, and the other end of the first transverse connecting plate is connected to the first side wall of the longitudinal water trough The top of the side wall is connected, the bottom of the first side wall of the longitudinal water trough is connected to one end of the bottom plate of the longitudinal water trough, and the other end of the bottom plate of the longitudinal water trough is connected to the bottom of the second side wall of the longitudinal water trough; the first outer limiting water baffle, the first transverse connecting plate and the first side wall of the longitudinal water trough are connected to form a slot for plugging with one end of the top of the cable trench; the first side wall of the longitudinal water trough, the bottom plate of the longitudinal water trough and the second side wall of the longitudinal water trough are connected to form a water trough for guiding the water flow entering through the connection between the cable trench cover and the longitudinal drainage mechanism.

[0008] In some embodiments, the top of the first outer limiting water retaining plate is connected to one end of the first transverse connecting plate.

[0009] In some embodiments, the transverse drainage mechanism includes a first-end longitudinally connected drainage mechanism, a second-end longitudinally connected drainage mechanism and a transversely connected drainage mechanism. The first-end longitudinally connected drainage mechanism and the second-end longitudinally connected drainage mechanism have the same structure as the first-end longitudinal drainage mechanism and the second-end longitudinal drainage mechanism. One end of the transversely connected drainage mechanism is connected to the middle part of the water trough of the first-end longitudinally connected drainage mechanism, and the other end of the transversely connected drainage mechanism is connected to the middle part of the water trough of the second-end longitudinally connected drainage mechanism.

[0010] In some embodiments, the transverse connecting drainage mechanism includes a first side wall of the transverse water trough, a bottom plate of the transverse water trough and a second side wall of the transverse water trough. The first end and the second end of the bottom plate of the transverse water trough are respectively connected to the first side wall of the transverse water trough and the second side wall of the transverse water trough. The first side wall of the transverse water trough, the bottom plate of the transverse water trough and the second side wall of the transverse water trough are connected to form a water trough.

[0011] In some embodiments, the anti-drainage device also includes a first-end diverting drainage mechanism and a second-end diverting drainage mechanism, the first-end diverting drainage mechanism includes a second outer limiting water baffle, a second transverse connecting plate, a first side wall of the diverting water trough, a first diverting water trough bottom plate and a second side wall of the diverting water trough, the middle outer side of the second outer limiting water baffle is connected to one end of the second transverse connecting plate, the other end of the second transverse connecting plate is connected to the top of the first side wall of the diverting water trough, the bottom of the first side wall of the diverting water trough is connected to one end of the first diverting water trough bottom plate, and the other end of the first diverting water trough bottom plate is connected to the bottom of the second side wall of the diverting water trough; the second outer limiting water baffle, the second transverse connecting plate and the first side wall of the diverting water trough are connected to form a card slot for plugging with the inner end of the top at the corner of the cable trench; the first side wall of the diverting water trough, the first diverting water trough bottom plate and the second side wall of the diverting water trough are connected to form a diverting water trough, so that Used to guide the water flow entering from the inner end of the cable trench corner; the second end steering drainage mechanism includes a third outer limiting water baffle, a third transverse connecting plate, a third side wall of the steering water trough, a second steering water trough bottom plate and a fourth side wall of the steering water trough, the inner side of the middle part of the third outer limiting water baffle is connected to one end of the third transverse connecting plate, the other end of the third transverse connecting plate is connected to the top of the third side wall of the steering water trough, the bottom of the third side wall of the steering water trough is connected to one end of the second steering water trough bottom plate, and the other end of the second steering water trough bottom plate is connected to the bottom of the fourth side wall of the steering water trough; the third outer limiting water baffle, the third transverse connecting plate and the third side wall of the steering water trough are connected to form a card slot for plugging with the outer end of the top at the corner of the cable trench; the third side wall of the steering water trough, the second steering water trough bottom plate and the fourth side wall of the steering water trough are connected to form a steering water trough for guiding the water flow entering from the outer end of the cable trench corner.

[0012] In some embodiments, the anti-drainage device also includes a water collection well, which is connected to the drainage mechanism.

[0013] In some embodiments, the anti-drainage device also includes a drainage pipe, and both ends of the drainage pipe are respectively connected to the drainage mechanism and the water collection well.

[0014] In some embodiments, the drainage mechanism drains water in the direction of the water collection well, and the slope of the drainage mechanism along the drainage direction is greater than or equal to 5‰.

[0015] According to the embodiment of the utility model, a suspended cable trench drainage device has at least the following beneficial effects: the application has a simple structure, is easy to install and disassemble, and has high drainage efficiency. The application sets a drainage mechanism to timely and effectively drain and collect the seepage water entering the cable trench of the substation, thereby reducing the impact of the seepage water on the production and operation and maintenance of the substation.

[0016] It is to be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic cross-sectional structure diagram of a suspended cable trench anti-drainage device installed on a cable trench according to an embodiment;

[0019] Figure 2 is a schematic diagram of the structure of the first end longitudinal drainage mechanism according to an embodiment;

[0020] Figure 3 is a schematic structural diagram of a lateral drainage mechanism according to an embodiment;

[0021] Figure 4 It is a schematic diagram of the structure of the first end diverting drainage mechanism according to the embodiment;

[0022] Figure 5 It is a schematic diagram of the structure of the second end diverting drainage mechanism according to the embodiment;

[0023] Figure 6 It is a structural schematic diagram of the connection between the water collection well and the drainage pipe according to an embodiment.

[0024] The reference numerals are as follows: 1. cable trench; 2. cable trench cover; 3. cable trough; 4. longitudinal drainage mechanism; 5. transverse drainage mechanism; 41. longitudinal drainage mechanism at the first end; 42. longitudinal drainage mechanism at the second end; 401. first outer limit water retaining plate; 402. first transverse connecting plate; 403. first side wall of longitudinal water delivery trough; 404. bottom plate of longitudinal water delivery trough; 405. second side wall of longitudinal water delivery trough; 51. longitudinal connecting drainage mechanism at the first end; 52. longitudinal connecting drainage mechanism at the second end; 53. transverse connecting drainage mechanism; 531. first side wall of transverse water delivery trough; 53 2. Horizontal water trough bottom plate; 533. Second side wall of horizontal water trough; 61. First end diversion drainage mechanism; 62. Second end diversion drainage mechanism; 611. Second outer limit water baffle plate; 612. Second horizontal connecting plate; 613. First side wall of diversion water trough; 614. First diversion water trough bottom plate; 615. Second side wall of diversion water trough; 621. Third outer limit water baffle plate; 622. Third horizontal connecting plate; 623. Third side wall of diversion water trough; 624. Second diversion water trough bottom plate; 625. Fourth side wall of diversion water trough; 7. Water collecting well; 8. Drain pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that the description of the present disclosure will be more comprehensive and complete and the concepts of the example embodiments will be fully conveyed to those skilled in the art. The accompanying drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0030] The technical solution of the embodiment of the present application is briefly described below:

[0031] According to some embodiments, Figure 1 As shown, the present application provides a suspended cable trench drainage device, the drainage device comprising:

[0032] A drainage mechanism, which is plugged into the two side walls of the cable trench 1;

[0033] A cable trench cover plate 2, the cable trench cover plate 2 covers the top of the drainage mechanism;

[0034] The drainage mechanism inside the cable trench 1 is provided with a water delivery trough, which is used to guide the water flow entering through the connection between the cable trench cover plate 2 and the drainage mechanism;

[0035] A cable trough 3 is provided between the cable trench 1 and the cable trench cover plate 2.

[0036] Based on the above embodiments, the drainage mechanism on the inner side of the cable trench 1 of the present application is provided with a water trough, which is used to guide the water flow entering through the connection between the cable trench cover 2 and the drainage mechanism to prevent the water flow from entering the cable trench 3 through the gap at the connection between the cable trench cover 2 and the drainage mechanism, thereby solving the water seepage problem in the cable trench.

[0037] The following is combined with the appendix of this manual Figures 1 to 6 , the preferred implementation modes of the present disclosure are further elaborated in detail.

[0038] According to some embodiments, Figures 2 to 3 As shown, the drainage mechanism includes:

[0039] Longitudinal drainage mechanism 4, such as Figure 1 As shown, the longitudinal drainage mechanism 4 is used to be plugged into the two side walls of the cable trench 1, and the cable trench cover 2 covers the top of the longitudinal drainage mechanism 4;

[0040] The transverse drainage mechanism 5 is used to be inserted into the two side walls of the cable trench 1 and connected to the longitudinal drainage mechanism 4 at both ends of the cable trench 1. The transverse drainage mechanism 5 is arranged below the connection between the two cable trench covers 2 to guide the water flow entering through the connection between the two cable trench covers 2.

[0041] The transverse drainage mechanism 5 prevents water from flowing into the cable trough 3 through the connection between the two cable trench covers 2 .

[0042] According to some embodiments, Figure 1 As shown, the longitudinal drainage mechanism 4 includes a first end longitudinal drainage mechanism 41 and a second end longitudinal drainage mechanism 42. The first end longitudinal drainage mechanism 41 and the second end longitudinal drainage mechanism 42 have the same structure. Figure 2 As shown, the first end longitudinal drainage mechanism 41 and the second end longitudinal drainage mechanism 42 both include a first outer limiting water baffle 401, a first transverse connecting plate 402, a first side wall 403 of the longitudinal water delivery trough, a bottom plate 404 of the longitudinal water delivery trough and a second side wall 405 of the longitudinal water delivery trough, and the connection structure thereof is as follows:

[0043] like Figure 2 As shown, the middle part of the first outer limiting water retaining plate 401 is connected to the left end of the first transverse connecting plate 402, the right end of the first transverse connecting plate 402 is connected to the top of the first side wall 403 of the longitudinal water trough, the bottom of the first side wall 403 of the longitudinal water trough is connected to the left end of the longitudinal water trough bottom plate 404, and the right end of the longitudinal water trough bottom plate 404 is connected to the bottom of the second side wall 405 of the longitudinal water trough.

[0044] Among them, Figure 2 As shown, the first outer limiting water retaining plate 401, the first transverse connecting plate 402 and the first side wall 403 of the longitudinal water delivery trough are connected to form a downward card slot for plugging with the left end of the top of the cable trench 1, as shown in FIG. Figure 1 shown.

[0045] Further, such as Figure 2 As shown, the first side wall 403 of the longitudinal water delivery trough, the bottom plate 404 of the longitudinal water delivery trough and the second side wall 405 of the longitudinal water delivery trough are connected to form the water delivery trough. Figure 1 to Figure 2As shown, after the water flows in through the fitting gap between the cable trench cover plate 2 and the upper end of the first outer limit water retaining plate 401, it flows into the water delivery trough through the first transverse connecting plate 402. The water that enters through the connection between the cable trench cover plate 2 and the longitudinal drainage mechanism 4 is successfully diverted to prevent the water from entering the cable trench 3 through the gap between the cable trench cover plate 2 and the drainage mechanism, thereby solving the water seepage problem of the cable trench.

[0046] In other embodiments, reference Figure 2 The top of the first outer limiting water baffle 401 is connected to the left end of the first horizontal connecting plate 402, the right end of the first horizontal connecting plate 402 is connected to the top of the first side wall 403 of the longitudinal water trough, the bottom of the first side wall 403 of the longitudinal water trough is connected to the left end of the longitudinal water trough bottom plate 404, and the right end of the longitudinal water trough bottom plate 404 is connected to the bottom of the second side wall 405 of the longitudinal water trough.

[0047] In this embodiment, the top of the first outer limit water retaining plate 401 is flush with the first transverse connecting plate 402. Figure 2 In the manner in which the middle portion of the first outer limiting water retaining plate 401 is connected to the left end of the first transverse connecting plate 402, the first outer limiting water retaining plate 401 of this embodiment is shorter, saving materials. Figure 2 The embodiment in can limit the position of the cable trench cover plate 2 to prevent the cable trench cover plate 2 from shifting left and right.

[0048] According to some embodiments, Figure 3 As shown, the transverse drainage mechanism 5 includes a first-end longitudinally connected drainage mechanism 51, a second-end longitudinally connected drainage mechanism 52 and a transversely connected drainage mechanism 53. The first-end longitudinally connected drainage mechanism 51 and the second-end longitudinally connected drainage mechanism 52 have the same structure as the first-end longitudinal drainage mechanism 41 and the second-end longitudinal drainage mechanism 42. The left end of the transversely connected drainage mechanism 53 is connected to the middle of the water trough of the first-end longitudinally connected drainage mechanism 51, and the right end of the transversely connected drainage mechanism 53 is connected to the middle of the water trough of the second-end longitudinally connected drainage mechanism 52.

[0049] Specifically, Figure 3 As shown, openings are provided in the middle of the water trough of the first end longitudinally connected to the drainage mechanism 51 and in the middle of the water trough of the second end longitudinally connected to the drainage mechanism 52, and the two ends of the transversely connected drainage mechanism 53 are respectively connected to the middle of the water trough of the first end longitudinally connected to the drainage mechanism 51 and the openings of the second end longitudinally connected to the drainage mechanism 52.

[0050] Further, such as Figure 3As shown, the transverse connecting drainage mechanism 53 includes a first side wall 531 of the transverse water trough, a bottom plate 532 of the transverse water trough and a second side wall 533 of the transverse water trough. The first end and the second end of the bottom plate 532 of the transverse water trough are respectively connected to the first side wall 531 of the transverse water trough and the second side wall 533 of the transverse water trough. The first side wall 531 of the transverse water trough, the bottom plate 532 of the transverse water trough and the second side wall 533 of the transverse water trough are connected to form a water trough.

[0051] The water delivery trough of the transversely connected drainage mechanism 53 is arranged below two consecutively placed cable trench covers 2 to guide the water flow entering through the fitting gap between the two cable trench covers 2, thereby preventing the water flow from entering the cable trench 3 through the connection between the two cable trench covers 2.

[0052] According to some embodiments, Figures 4 to 5 As shown, the anti-drainage device also includes a first end diversion drainage mechanism 61 and a second end diversion drainage mechanism 62. Figure 4 As shown, the first end diverting drainage mechanism 61 includes a second outer limiting water baffle 611, a second transverse connecting plate 612, a first side wall 613 of the diverting water channel, a first diverting water channel bottom plate 614 and a second side wall 615 of the diverting water channel, and its connection structure is as follows:

[0053] The outer middle part of the second outer limiting water baffle 611 is connected to the left end of the second transverse connecting plate 612, the right end of the second transverse connecting plate 612 is connected to the top of the first side wall 613 of the diverting water trough, the bottom of the first side wall 613 of the diverting water trough is connected to the left end of the first diverting water trough bottom plate 614, and the right end of the first diverting water trough bottom plate 614 is connected to the bottom of the second side wall 615 of the diverting water trough.

[0054] The second outer limiting water baffle plate 611, the second transverse connecting plate 612 and the first side wall 613 of the diverting water delivery trough are connected to form a downward clamping groove for plugging with the inner end of the top at the corner of the cable trench 1.

[0055] The first side wall 613 of the diverting water conveying trough, the first bottom plate 614 of the diverting water conveying trough and the second side wall 615 of the diverting water conveying trough are connected to form a diverting water conveying trough for guiding the water flow entering from the inner end of the corner of the cable trench 1 .

[0056] like Figure 5 As shown, the second end diverting drainage mechanism 62 includes a third outer limiting water baffle 621, a third transverse connecting plate 622, a third side wall 623 of the diverting water delivery trough, a second diverting water delivery trough bottom plate 624 and a fourth side wall 625 of the diverting water delivery trough, and its connection structure is as follows:

[0057] The inner middle side of the third outer limiting water baffle 621 is connected to the right end of the third transverse connecting plate 622, the left end of the third transverse connecting plate 622 is connected to the top of the third side wall 623 of the diverting water trough, the bottom of the third side wall 623 of the diverting water trough is connected to the right end of the second diverting water trough bottom plate 624, and the left end of the second diverting water trough bottom plate 624 is connected to the bottom of the fourth side wall 625 of the diverting water trough.

[0058] The third outer limiting water baffle plate 621, the third transverse connecting plate 622 and the third side wall 623 of the diverting water delivery trough are connected to form a downward slot for plugging with the outer end of the top at the corner of the cable trench 1.

[0059] The third side wall 623 of the diverting water conveying trough, the second diverting water conveying trough bottom plate 624 and the fourth side wall 625 of the diverting water conveying trough are connected to form a diverting water conveying trough for guiding the water flow entering from the outer end of the corner of the cable trench 1.

[0060] The first end steering drainage mechanism 61 and the second end steering drainage mechanism 62 are set according to needs. The steering of the water trough can be further adjusted by adjusting the angles and relative positions of the first end steering drainage mechanism 61 and the second end steering drainage mechanism 62. The steering of the water trough is set according to the steering of the cable trench 1.

[0061] According to some embodiments, Figure 6 As shown, the anti-drainage device also includes a water collection well 7, and the water collection well 7 is connected to the drainage mechanism.

[0062] According to some embodiments, Figure 6 As shown, the anti-drainage device also includes a drainage pipe 8, and both ends of the drainage pipe 8 are connected to the drainage mechanism and the water collection well 7 respectively.

[0063] According to some embodiments, the drainage mechanism drains water in the direction of the water collection well 7, and the slope of the drainage mechanism along the drainage direction is greater than or equal to 5‰.

[0064] The present invention has a simple structure, is easy to install and disassemble, and has high drainage efficiency. The present invention timely and effectively discharges and collects the seepage water entering the cable trench of the substation through the drainage mechanism, thereby reducing the impact of the seepage water on the production and operation and maintenance of the substation.

[0065] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0066] Although the present disclosure has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present disclosure can be implemented in a variety of forms without departing from the spirit or essence of the present application, it should be understood that the above-mentioned embodiments are not limited to any of the foregoing details, but should be widely interpreted within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A suspended cable trench drainage device, characterized in that: The anti-drainage device comprises: A drainage mechanism, the drainage mechanism being plugged into two side walls of the cable trench; A cable trench cover plate, the cable trench cover plate covers the top of the drainage mechanism; The drainage mechanism inside the cable trench is provided with a water delivery trough, and the water delivery trough is used to guide the water flow entering through the connection between the cable trench cover and the drainage mechanism; A cable groove is provided between the cable trench and the cable trench cover plate.

2. The anti-drainage device according to claim 1, characterized in that: The drainage mechanism comprises: A longitudinal drainage mechanism, the longitudinal drainage mechanism is used to be plugged into the two side walls of the cable trench, and the cable trench cover plate covers the top of the longitudinal drainage mechanism; A transverse drainage mechanism is used to be plugged into the two side walls of the cable trench and connected to the longitudinal drainage mechanism at both ends of the cable trench. The transverse drainage mechanism is arranged below the connection between the two cable trench covers to guide the water flow entering through the connection between the two cable trench covers.

3. The anti-drainage device according to claim 2, characterized in that: The longitudinal drainage mechanism comprises a first end longitudinal drainage mechanism and a second end longitudinal drainage mechanism, the first end longitudinal drainage mechanism and the second end longitudinal drainage mechanism have the same structure, the first end longitudinal drainage mechanism and the second end longitudinal drainage mechanism both comprise a first outer limiting water baffle, a first transverse connecting plate, a first side wall of the longitudinal water delivery trough, a bottom plate of the longitudinal water delivery trough and a second side wall of the longitudinal water delivery trough, the middle portion of the first outer limiting water baffle is connected to one end of the first transverse connecting plate, the other end of the first transverse connecting plate is connected to the top of the first side wall of the longitudinal water delivery trough, the bottom of the first side wall of the longitudinal water delivery trough is connected to one end of the bottom plate of the longitudinal water delivery trough, and the other end of the bottom plate of the longitudinal water delivery trough is connected to the bottom of the second side wall of the longitudinal water delivery trough; The first outer limiting water baffle plate, the first transverse connecting plate and the first side wall of the longitudinal water delivery trough are connected to form a slot for plugging with one end of the top of the cable trench; The first side wall of the longitudinal water trough, the bottom plate of the longitudinal water trough and the second side wall of the longitudinal water trough are connected to form a water trough for guiding water flow entering through the connection between the cable trench cover and the longitudinal drainage mechanism.

4. The anti-drainage device according to claim 3, characterized in that: The top of the first outer limiting water retaining plate is connected to one end of the first transverse connecting plate.

5. The anti-drainage device according to claim 2, characterized in that: The transverse drainage mechanism includes a first-end longitudinally connected drainage mechanism, a second-end longitudinally connected drainage mechanism and a transversely connected drainage mechanism. The first-end longitudinally connected drainage mechanism and the second-end longitudinally connected drainage mechanism have the same structure as the first-end longitudinal drainage mechanism and the second-end longitudinal drainage mechanism. One end of the transversely connected drainage mechanism is connected to the middle of the water trough of the first-end longitudinally connected drainage mechanism, and the other end of the transversely connected drainage mechanism is connected to the middle of the water trough of the second-end longitudinally connected drainage mechanism.

6. The anti-drainage device according to claim 5, characterized in that: The transversely connected drainage mechanism includes a first side wall of a transverse water trough, a bottom plate of the transverse water trough and a second side wall of the transverse water trough. The first end and the second end of the bottom plate of the transverse water trough are respectively connected to the first side wall of the transverse water trough and the second side wall of the transverse water trough. The first side wall of the transverse water trough, the bottom plate of the transverse water trough and the second side wall of the transverse water trough are connected to form a water trough.

7. The anti-drainage device according to claim 1, characterized in that: The anti-drainage device also includes a first end diversion drainage mechanism and a second end diversion drainage mechanism, the first end diversion drainage mechanism includes a second outer limit water baffle, a second transverse connecting plate, a first side wall of the diversion water delivery trough, a first diversion water delivery trough bottom plate and a second side wall of the diversion water delivery trough, the middle outer side of the second outer limit water baffle is connected to one end of the second transverse connecting plate, the other end of the second transverse connecting plate is connected to the top of the first side wall of the diversion water delivery trough, the bottom of the first side wall of the diversion water delivery trough is connected to one end of the first diversion water delivery trough bottom plate, and the other end of the first diversion water delivery trough bottom plate is connected to the bottom of the second side wall of the diversion water delivery trough; The second outer limiting water baffle plate, the second transverse connecting plate and the first side wall of the diverting water delivery trough are connected to form a slot for plugging with the inner end of the top of the cable trench corner; The first side wall of the diverting water conveying trough, the first diverting water conveying trough bottom plate and the second side wall of the diverting water conveying trough are connected to form a diverting water conveying trough for guiding the water flow entering from the inner end of the cable trench corner; The second end diverting drainage mechanism comprises a third outer limiting water baffle, a third transverse connecting plate, a third side wall of the diverting water trough, a second diverting water trough bottom plate and a fourth side wall of the diverting water trough, the inner side of the middle part of the third outer limiting water baffle is connected to one end of the third transverse connecting plate, the other end of the third transverse connecting plate is connected to the top of the third side wall of the diverting water trough, the bottom of the third side wall of the diverting water trough is connected to one end of the second diverting water trough bottom plate, and the other end of the second diverting water trough bottom plate is connected to the bottom of the fourth side wall of the diverting water trough; The third outer limiting water retaining plate, the third transverse connecting plate and the third side wall of the diverting water delivery trough are connected to form a slot for plugging with the outer end of the top of the cable trench corner; The third side wall of the diverting water conveying trough, the second diverting water conveying trough bottom plate and the fourth side wall of the diverting water conveying trough are connected to form a diverting water conveying trough for guiding the water flow entering from the outer end of the cable trench corner.

8. The anti-drainage device according to claim 1, characterized in that: The anti-drainage device also includes a water collection well, which is connected to the drainage mechanism.

9. The anti-drainage device according to claim 8, characterized in that: The anti-drainage device also includes a drainage pipe, and two ends of the drainage pipe are respectively connected to the drainage mechanism and the water collection well.

10. The anti-drainage device according to claim 8, characterized in that: The drainage mechanism drains water in the direction of the water collection well, and the slope of the drainage mechanism along the drainage direction is greater than or equal to 5‰.

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