Water-accumulation-preventing structure and cable laying device

Abstract

The utility model discloses a kind of water-logging prevention structure and cable laying device, including cable trench, and the water-logging prevention surface of water accumulation of setting in cable trench inner chamber bottom, drainage component, setting on water-logging prevention surface, including the water drain pipe of guiding water flow in cable trench, and with the drainage vertical shaft of water drain pipe intercommunication, the drainage vertical shaft is equipped with with the water suction port of ground intercommunication, the water-logging prevention surface center position is equipped with with the water drain hole of water drain pipe connection, the position of water drain pipe away from water drain hole is equipped with intercommunication pipe. The utility model has the beneficial effect that, by the cooperation of water drain hole, water drain pipe, drainage pipe and drainage vertical shaft etc. structure, rainwater into cable trench, can be under the action of gravity, along the route of drainage component structure, into drainage vertical shaft, thereby completes the water diversion work of rainwater in cable trench, avoids rainwater accumulation in cable trench to affect the service life of cable.

Description

Technical Field

[0001] This utility model relates to the field of cable laying, and in particular to a water-proof structure and cable laying device. Background Technology

[0002] Cable trenches are a common and important infrastructure in cable laying. They provide a closed passage for cables, preventing damage from external forces such as vehicles running over them, construction excavation, and falling heavy objects. Furthermore, the trench covers can be opened, facilitating regular inspections of cable conditions, locating fault points, or replacing aging cables without requiring large-scale excavation. However, gaps exist between the cover and the cable trench.

[0003] However, during the rainy season or flood season, the combined effect of surface runoff and soil infiltration can easily lead to water accumulation in cable trenches, causing cables to be submerged in water for extended periods and susceptible to corrosion. Therefore, we propose a water-proof structure and cable laying device. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is that existing cable trenches used for laying cables are prone to causing cables to be submerged in water for a long time during the rainy season or flood season, thereby increasing the aging speed of the cables.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a water-proof structure, which includes a cable trench, a water-proof surface for collecting water at the bottom of the inner cavity of the cable trench, a drainage component disposed on the water-proof surface, including a drain pipe for guiding the flow of water in the cable trench, and a drainage shaft connected to the drain pipe, wherein the drainage shaft is provided with a water inlet connected to the ground.

[0006] As a preferred embodiment of the anti-water accumulation structure of this utility model, the anti-water accumulation surface is provided with a drain hole connected to a drain pipe at its center, the drain pipe is provided with a connecting pipe at a position away from the drain hole, and a diversion pipe connected to a diversion shaft is provided on the side of the connecting pipe opposite to the drain pipe.

[0007] As a preferred embodiment of the anti-water accumulation structure of this utility model, a one-way valve is provided at the connection between the drainage pipe and the drainage shaft. The one-way valve includes a valve body and a connecting flange provided on the valve body. The one-way valve is detachably connected to the drainage pipe and the drainage shaft through the connecting flange.

[0008] As a preferred embodiment of the anti-water accumulation structure of this utility model, the valve body is provided with a flow cavity that communicates with the drainage pipe and the drainage shaft, and the end of the flow cavity near the drainage pipe is provided with a sealing plate that can close the one-way outlet of the flow cavity.

[0009] As a preferred embodiment of the anti-water accumulation structure of this utility model, a transmission connecting rod is fixedly installed on the sealing plate, and the end of the transmission connecting rod away from the sealing plate is rotatably connected to the flow cavity.

[0010] As a preferred embodiment of the anti-water accumulation structure of this utility model, the sealing plate is fitted with a sealing ring that contacts the flow cavity.

[0011] As a preferred embodiment of the anti-water accumulation structure of this utility model, the anti-water accumulation surface has a "V" shaped cross-section, and the drainage hole is located at the bottom of the anti-water accumulation surface.

[0012] As a preferred embodiment of the anti-water accumulation structure of this utility model, a cylindrical filter is provided in the drain hole, an extension ring is provided at the end of the cylindrical filter away from the drain pipe, and a bearing ring groove is provided on the drain hole that abuts against the extension ring.

[0013] The beneficial effects of the anti-water accumulation structure of this utility model are as follows: through the cooperation of structures such as drainage holes, drainage pipes, diversion pipes and diversion shafts, rainwater entering the cable trench can, under its own gravity, follow the route constructed by the diversion components and enter the diversion shaft, thereby completing the diversion of rainwater in the cable trench and preventing rainwater from accumulating in the cable trench and affecting the service life of the cable.

[0014] Another objective of this invention is to provide a cable laying device that aims to reduce the immersion time of cables in water.

[0015] To solve the above-mentioned technical problems, the present invention also provides the following technical solution: a cable laying device, which includes a water-proof structure; and a closed cover plate, which is disposed at the connection between the cable trench and the ground, and a laying component, which includes a support rod disposed inside the cable trench that can support the cable.

[0016] As a preferred embodiment of the cable laying device of this utility model, one end of the bearing rod is fixed to the inner wall of the cable trench cavity, and the other end is provided with an anti-detachment protrusion.

[0017] The cable laying device of this utility model has the following advantages: by setting the support rod inside the cable trench, the workers can directly place the cable on the support rod during cable laying, avoiding direct contact between the cable and the rainwater at the bottom of the cable trench, thereby increasing the service life of the cable and reducing the failure rate of the cable. At the same time, the anti-detachment protrusion can limit the cable and prevent the cable on the support rod from slipping off the support rod, further improving the protection effect of the cable. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model and are not intended to limit the scope of this utility model. Wherein:

[0019] Figure 1 A schematic cross-sectional view of the cable trench structure in the utility model is shown;

[0020] Figure 2 It shows Figure 2 Enlarged structural diagram of region A in the middle;

[0021] Figure 3 A cross-sectional view of the one-way valve in the utility model is shown;

[0022] Figure 4 A top view schematic diagram of the anti-accumulation surface structure in the utility model is shown;

[0023] Figure 5 A schematic diagram of the laying component structure in the utility model is shown. Detailed Implementation

[0024] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0025] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0026] This embodiment provides a water-proof structure and a cable laying device, such as Figure 1 As shown, the bottom of the inner cavity of the cable trench 1 is provided with a water-collecting anti-accumulation surface 2, and a number of drainage holes 33 arranged in a linear array are opened on the anti-accumulation surface 2. The end of the drainage hole 33 away from the anti-accumulation surface 2 is connected to a drainage pipe 31. The end of the drainage pipe 31 away from the drainage hole 33 is connected to a connecting pipe 34. A drainage pipe 35 is fixedly installed on the side of the connecting pipe 34 opposite to the drainage pipe 31, and the inner cavity of the drainage pipe 35 is connected to the inner cavity of the connecting pipe 34. The end of the drainage pipe 35 away from the connecting pipe 34 extends into the drainage shaft 32 opened underground, so that the connecting pipe 34 and the drainage shaft are connected to each other.

[0027] Therefore, during the rainy season, after rainwater enters the cable trench 1, it will flow to the anti-accumulation surface 2 at the bottom of the inner cavity of the cable trench 1 under its own gravity, and enter the drainage pipe 31 through the drainage hole 33 set on the anti-accumulation surface 2. Then, it will be collected in the connecting pipe 34 through the drainage pipe 31, and finally enter the drainage shaft 32 through the drainage pipe 35 set between the connecting pipe 34 and the drainage shaft 32, thus completing the diversion of rainwater in the cable trench 1 and preventing rainwater from accumulating in the cable trench 1. The connecting pipe 34 can integrate the discrete flow of all drainage pipes 31 into a continuous flow, so that the originally dispersed leakage water forms a concentrated water flow, reducing the local hydraulic gradient. At the same time, it can also act as a "buffer pool". When the water volume is large, it can store some water first to prevent the downstream drainage pipe 35 from being overloaded at once. The volume of the inner cavity of the connecting pipe 34 is used to form a storage reservoir, which reduces the peak flow and makes the instantaneous load of the downstream diversion shaft 32 more stable. It also achieves pressure balance between the drain pipes 31 through horizontal flow, preventing individual orifices from becoming airlocked due to negative pressure.

[0028] In addition, from Figure 1 It can also be seen that the drainage shaft 32 is equipped with a water inlet 321 connected to the ground, because the water in the cable trench 1 flows into the drainage shaft 32 under the action of the "communicating vessel" principle, such as... Figure 1 As shown, the depth of the drainage shaft 32 is much greater than that of the cable trench 1. Therefore, the drainage shaft 32 can hold more water, making it less likely for rainwater to accumulate in the cable trench 1. However, if the rainwater level is too high, causing the liquid level in the drainage shaft 32 to be higher than the lowest point of the cable trench 1, the rainwater in the cable trench 1 will no longer flow into the drainage shaft 32, resulting in rainwater accumulation in the cable trench 1. Therefore, the present invention provides a water inlet 321, which allows workers to control the liquid level in the drainage shaft 32 using external pumping equipment when the rainfall is heavy, so that the rainwater in the cable trench 1 can continue to flow into the drainage shaft 32, ensuring the effectiveness of rainwater drainage in the cable trench 1.

[0029] like Figure 1 and Figure 4 As shown, the anti-accumulation surface 2 is V-shaped, and the drainage hole 33 is located at the lowest point of the anti-accumulation surface 2. Therefore, rainwater entering the cable trench 1 will be guided by the anti-accumulation surface 2 and gather at the lowest point of the anti-accumulation surface 2, that is, flow to the drainage hole 33, thereby facilitating the discharge of rainwater in the cable trench 1.

[0030] like Figure 2 As shown, a bearing ring groove 39 is provided at the connection between the drain hole 33 and the anti-accumulation surface 2. A cylindrical filter 37 is sleeved inside the drain hole 33, and one end of the cylindrical filter 37 extends into the inner cavity of the cable trench 1, and an extension ring 38 is integrally formed to abut against the bearing ring groove 39.

[0031] The extension ring 38 and the bearing ring groove 39 allow the cylindrical filter 37 to be slidably installed at the inlet of the drain hole 33, filtering the rainwater entering the drain hole 33. Rainwater carries some mud, sand, and lighter impurities with it during its flow. When these impurities enter the drain hole 33 or the drain pipe 31, they can easily become blocked in a certain place due to the narrowness of the pipe's inner cavity, thus affecting the flow of rainwater. Therefore, the cylindrical filter 37 in this invention filters the flowing rainwater, leaving the impurities in the cylindrical filter 37, preventing impurities from clogging the drainage component 3, thereby improving the efficiency of draining water from the cable trench 1 to a certain extent.

[0032] Because the drainage shaft 32 is equipped with a water inlet 321 that connects to the outside, rainwater from the outside can also enter the drainage shaft 32 along the water inlet 321. When the liquid level in the drainage shaft 32 is too high, the rainwater in the drainage shaft 32 may also enter the cable trench 1 along the drainage component 3. To avoid this situation, the present invention provides a one-way valve 36 at the connection between the drainage pipe 35 and the drainage shaft 32, which can prevent the rainwater in the drainage shaft 32 from flowing back into the cable trench 1, thereby achieving the purpose of protecting the cable trench 1.

[0033] like Figure 3 As shown, the valve body 361 has connecting flanges 362 at both ends that can be detachably installed with the drainage pipe 35 and the drainage shaft 32. The valve body 361 has a flow chamber 363 for rainwater to flow inside. The end of the flow chamber 363 near the drainage pipe 35 is provided with a sealing plate 364 that can close the one-way outlet of the flow chamber 363. A transmission connecting rod 365 that is rotatably connected to the flow chamber 363 is fixedly installed on the sealing plate 364.

[0034] like Figure 3 As shown, when rainwater flows from cable trench 1 to diversion shaft 32, the impact force of the rainwater will break through the sealing plate 364, allowing the rainwater to enter the diversion shaft 32. If rainwater flows back from the diversion shaft 32 to cable trench 1, the impact force of the rainwater will push the sealing plate 364 against the outlet on one side of the flow cavity 363, sealing it off, so that rainwater cannot enter the cable trench 1 through the diversion assembly 3, thereby reducing the amount of water in the cable trench 1.

[0035] In addition, from Figure 4 It can also be seen that a sealing ring 366 is fitted on the outside of the sealing plate 364. The sealing ring 366 is made of rubber. When closed, it can fill the assembly gap between the sealing plate 364 and the inner wall of the flow cavity 363 through slight deformation, thereby improving the one-way isolation capability of the one-way valve 36.

[0036] like Figure 5As shown, a sealing cover 4 is provided at the connection between the cable trench 1 and the ground. The sealing cover 4 is detachably connected to the cable trench 1. Under normal conditions, the sealing cover 4 is in a closed state, which can protect the cable trench 1 and the cables inside the cable trench 1, and prevent external dust and impurities from entering the cable trench 1. When laying cables or inspecting the cables in the cable trench 1, the sealing cover 4 can be opened to carry out the work.

[0037] Normally, cables are laid directly at the bottom of the cable trench 1. If rainwater enters the cable trench 1, the cable will be submerged in water, which will affect the cable's service life. In view of this, the present invention provides a support rod 51 for supporting the cable inside the cable trench 1. When in use, the cable can be placed directly on the support rod 51 to avoid direct contact between the cable and the rainwater at the bottom of the cable trench 1, thereby increasing the cable's service life and reducing the cable failure rate.

[0038] like Figure 5 As shown, the support rod 51 is also fixedly installed with an anti-detachment protrusion that abuts against the cable. The anti-detachment protrusion can limit the cable and prevent the cable on the support rod 51 from slipping off the support rod 51, thereby protecting the cable to a certain extent.

[0039] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of this utility model.

Claims

1. A water-proof structure, characterized in that: include, Cable trench (1), and anti-accumulation surface (2) set at the bottom of the inner cavity of cable trench (1) to collect water accumulation; The drainage component (3) is installed on the anti-accumulation surface (2) and includes a drain pipe (31) for guiding the flow of water in the cable trench (1) and a drainage shaft (32) connected to the drain pipe (31). The drainage shaft (32) is provided with a water inlet (321) connected to the ground.

2. The anti-water accumulation structure according to claim 1, characterized in that: The anti-accumulation surface (2) is provided with a drain hole (33) connected to the drain pipe (31) at the center position. The drain pipe (31) is provided with a connecting pipe (34) away from the drain hole (33), and a diversion pipe (35) connected to the diversion shaft (32) is provided on the side of the connecting pipe (34) opposite to the drain pipe (31).

3. The anti-water accumulation structure according to claim 2, characterized in that: A one-way valve (36) is provided at the connection between the drainage pipe (35) and the drainage shaft (32). The one-way valve (36) includes a valve body (361) and a connecting flange (362) provided on the valve body (361). The one-way valve (36) is detachably connected to the drainage pipe (35) and the drainage shaft (32) through the connecting flange (362).

4. The anti-water accumulation structure according to claim 3, characterized in that: The valve body (361) has a flow chamber (363) that communicates with the drainage pipe (35) and the drainage shaft (32). The end of the flow chamber (363) near the drainage pipe (35) is provided with a sealing plate (364) that can close the one-way outlet of the flow chamber (363).

5. The anti-water accumulation structure according to claim 4, characterized in that: A transmission link (365) is fixedly installed on the closed plate (364), and the end of the transmission link (365) away from the closed plate (364) is rotatably connected to the flow cavity (363).

6. The anti-water accumulation structure according to claim 5, characterized in that: A sealing ring (366) is fitted onto the sealing plate (364) and contacts the flow cavity (363).

7. The anti-water accumulation structure according to claim 6, characterized in that: The anti-accumulation surface (2) has a "V" shaped cross section, and the drainage hole (33) is located at the lowest point of the anti-accumulation surface (2).

8. The anti-water accumulation structure according to claim 7, characterized in that: A cylindrical filter (37) is provided in the drain hole (33). An extension ring (38) is provided at one end of the cylindrical filter (37) away from the drain pipe (31). A bearing ring groove (39) that abuts against the extension ring (38) is provided on the drain hole (33).

9. A cable laying device, characterized in that: Including the anti-water accumulation structure as described in any one of claims 1 to 8; and, A cover plate (4) is installed at the junction of the cable trench (1) and the ground; The laying assembly (5) includes a support rod (51) disposed inside the cable trench (1) to support the cable.

10. The cable laying device according to claim 9, characterized in that: One end of the bearing rod (51) is fixed to the inner wall of the cable trench (1), and the other end is provided with an anti-detachment protrusion (52).

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