CN220306928U - Automatic ventilation drainage device for cable pit - Google Patents

Abstract

The utility model belongs to the technical field of power engineering, and particularly relates to an automatic ventilation and drainage device for a cable pit, which comprises a cable pit body which is fixedly embedded on the ground and has a U-shaped cross section, wherein a plurality of cover plates are arranged at the upper end of the cable pit body, two ventilation holes are formed in the cover plates, an air inlet pipe is fixedly arranged at the left ventilation hole of the upper end of the cover plates, a hood is rotatably connected to the upper end of the air inlet pipe, an L-shaped bellows is fixedly arranged at the right ventilation hole of the upper end of the cover plates, a motor is arranged in the bellows, the motor is fixedly connected with the bellows through two fixing rods, a fan is fixedly connected to the output end of the motor, and a drain pipe is fixedly communicated with the lower part of the right side wall of the cable pit body. According to the utility model, the effect of automatic ventilation is realized by using the hood and the air box, and accumulated water can be automatically discharged through the water pump when the accumulated water is serious, so that the drying ventilation of the internal environment of the drainage channel is ensured.

Description

Automatic ventilation drainage device for cable pit

Technical Field

The utility model relates to the technical field of power engineering, in particular to an automatic ventilation and drainage device for a cable pit.

Background

The cable trench is an underground or semi-underground channel and is used for laying electric power, communication, cable television and other cable facilities, and is mainly used for centralizing and classifying cable lines so as to facilitate management, maintenance and overhaul.

In the rainstorm season, the traditional cable trench is low in efficiency due to the drainage system, water accumulation can occur, and not only can all cables be immersed in water, but also serious potential safety hazards can be caused to the safe operation of the power system.

Therefore, we propose an automatic ventilation and drainage device for a cable pit, which is used for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an automatic ventilation and drainage device for a cable trench.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an automatic ventilation drainage device of cable pit, includes the cable pit body that is fixedly embedded and establishes subaerial and the cross-section is the U type, cable pit body upper end is equipped with a plurality of apron, two ventilation holes have been seted up to the apron, the ventilation hole department fixed mounting in apron upper end left side has the air-supply line, the air-supply line upper end rotates and is connected with the hood, the ventilation hole department fixed mounting in apron upper end right side has the bellows that is the L type, the bellows inside is equipped with the motor, the motor passes through two dead levers and bellows fixed connection, the output fixedly connected with fan of motor;

the cable pit is characterized in that a drain pipe is fixedly communicated with the lower portion of the right side wall of the cable pit body, a rotating block is rotationally connected to the position above the drain pipe on the right side inner wall of the cable pit body, a connecting rod is fixedly connected to the lower end of the rotating block, one end of the connecting rod, which is far away from the rotating block, is fixedly connected with a floating ball, a deflector rod is fixedly connected to the rotating block and is positioned at a certain included angle with the connecting rod, a switch is fixedly arranged on the right side inner wall of the cable pit body and at a position corresponding to the deflector rod, a water pumping pipe is arranged above the inner bottom wall of the cable pit body, the water pumping pipe penetrates through the left side wall of the cable pit body and extends to the outer side, and a water pump is arranged on the drain pipe.

Preferably, a filter is installed at the lower end of the water pumping pipe.

Preferably, two rows of rectangular grooves are formed in the inner walls of the left side and the right side of the cable trench body, a support is inserted into each rectangular groove, and the support is fixedly connected with the inner wall of the cable trench body through bolts.

Preferably, the surface of each bracket is provided with a plurality of uniformly distributed honeycomb holes, and the same cable is inserted into the corresponding honeycomb holes.

Preferably, the switch is in communication with a water pump.

Preferably, the air inlet of the bellows is fixedly provided with a protective net cover.

Compared with the prior art, the device has the advantages that:

1. this device not only installs a plurality of hoods, still installs motor drive's bellows, when there is great wind around, the hood can ventilate the cable pit automatically, when outside does not have the wind, can ventilate the cable pit through the bellows, makes it keep dry environment, compares with traditional technique, the ventilation performance of cable pit that is high in advance greatly.

2. The device is provided with the float switch, when ponding is serious in the escape canal, the float switch will open automatically, and switch control water pump is with ponding drainage cable pit, compares with the conventional art, has improved drainage efficiency.

In summary, the automatic ventilation effect is realized by using the hood and the air box, and accumulated water can be automatically discharged through the water pump when the accumulated water is serious, so that the drying ventilation of the internal environment of the drainage channel is ensured.

Drawings

FIG. 1 is a front perspective view of an automatic ventilation and drainage device for a cable pit;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is a side view of a part of the structure of the automatic ventilation and drainage device for a cable pit.

In the figure: the cable duct comprises a cable duct body 1, a cover plate 2, a water pumping pipe 3, a bracket 4, a honeycomb hole 5, a rectangular groove 6, a floating ball 7, a connecting rod 8, a deflector rod 9, a switch 10, an air box 11, a fan 12, a rotating block 13, a motor 14, a fixed rod 15, a hood 16, an air inlet pipe 17, a filter 18, a drain pipe 19 and a water pump 20.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an automatic ventilation and drainage device for a cable pit comprises a cable pit body 1 which is fixedly embedded on the ground and has a U-shaped section, wherein a plurality of cover plates 2 are arranged at the upper end of the cable pit body 1, two ventilation holes are formed in the cover plates 2, an air inlet pipe 17 is fixedly arranged at the ventilation holes at the left side of the upper end of the cover plates 2, a hood 16 is rotatably connected to the upper end of the air inlet pipe 17, the hood 16 can automatically ventilate the cable pit body 1, an L-shaped air box 11 is fixedly arranged at the ventilation holes at the right side of the upper end of the cover plates 2, a motor 14 is arranged in the air box 11, the motor 14 is fixedly connected with the air box 11 through two fixing rods 15, a fan 12 is fixedly connected to the output end of the motor 14, a protective net cover is fixedly arranged at the air inlet of the air box 11, and sundries are shielded;

the below fixed intercommunication of cable pit body 1 right side wall has drain pipe 19 for discharging inside ponding, on the cable pit body 1 right side inner wall and the position rotation in drain pipe 19 top is connected with rotor 13, rotor 13 lower extreme fixedly connected with connecting rod 8, the one end fixedly connected with floater 7 of rotor 13 is kept away from to connecting rod 8, and fixedly connected with driving lever 9 on the position that rotor 13 and has certain contained angle with connecting rod 8, on the cable pit body 1 right side inner wall and with driving lever 9 corresponding position department fixed mounting have switch 10, the diapire top is equipped with drinking-water pipe 3 in the cable pit body 1, and filter 18 is installed to the drinking-water pipe 3 lower extreme, and the one end that filter 18 was kept away from to drinking-water pipe 3 runs through cable pit body 1 left side wall and extends to the outside, installs water pump 20 on the drinking-water pipe 3.

Two rows of rectangular grooves 6 are formed in the inner walls of the left side and the right side of the cable trench body 1 and used for positioning the supports 4, the supports 4 are inserted into the rectangular grooves 6, the supports 4 are fixedly connected with the inner walls of the cable trench body 1 through bolts, a plurality of uniformly distributed honeycomb holes 5 are formed in the surfaces of the supports 4, the same cable is inserted into the corresponding honeycomb holes 5, and certain gaps can be kept between the cables through the honeycomb holes 5, so that the ventilation effect is better.

When the utility model is used, when water accumulation occurs in the drainage ditch, the floating ball 7 floats upwards under the action of buoyancy, the connecting rod 8 on the floating ball 7 drives the rotating block 13 to rotate, the rotating block 13 drives the deflector rod 9 to rotate, the deflector rod 9 rotates to trigger the switch 10, the switch 10 controls the water pump 20 to start, the water accumulation in the cable ditch body 1 is pumped away through the water suction pipe 3, the motor 14 is started, the motor 14 drives the fan 12 to rotate, and ventilation in the cable ditch body 1 is realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an automatic ventilation drainage device of cable pit, includes cable pit body (1) that the fixed embedding is established subaerial and the cross-section is the U type, a serial communication port, cable pit body (1) upper end is equipped with a plurality of apron (2), two ventilation holes have been seted up to apron (2), the left ventilation hole department of apron (2) upper end fixedly mounted has air-supply line (17), air-supply line (17) upper end rotation is connected with hood (16), the ventilation hole department on apron (2) upper end right side is fixedly mounted has bellows (11) that are the L type, bellows (11) inside is equipped with motor (14), motor (14) are through two dead levers (15) and bellows (11) fixed connection, the output fixedly connected with fan (12) of motor (14);

the utility model discloses a cable pit body, including cable pit body (1), cable pit body (1) right side wall are gone up and are located rotation in the position of drain pipe (19) top is connected with rotating block (13), rotating block (13) lower extreme fixedly connected with connecting rod (8), one end fixedly connected with floater (7) of rotating block (13) are kept away from to connecting rod (8), on rotating block (13) and have fixed connection driving lever (9) in the position of certain contained angle with connecting rod (8), on cable pit body (1) right side wall and with driving lever (9) corresponding position department fixed mounting have switch (10), cable pit body (1) inner bottom wall top is equipped with drinking-water pipe (3), drinking-water pipe (3) run through cable pit body (1) left side wall and extend to the outside, install water pump (20) on drinking-water pipe (3).

2. The automatic ventilation and drainage device for the cable pit according to claim 1, wherein a filter (18) is arranged at the lower end of the water suction pipe (3).

3. The automatic ventilation and drainage device for the cable pit according to claim 1, wherein two rows of rectangular grooves (6) are formed in the inner walls of the left side and the right side of the cable pit body (1), a support (4) is inserted into each rectangular groove (6), and the support (4) is fixedly connected with the inner wall of the cable pit body (1) through bolts.

4. A cable pit automatic ventilation and drainage device according to claim 3, characterized in that the surface of each bracket (4) is provided with a plurality of uniformly distributed honeycomb holes (5), and the same cable is inserted into each corresponding honeycomb hole (5).

5. The automatic ventilation and drainage device for cable pit according to claim 1, wherein the switch (10) is in communication with a water pump (20).

6. The automatic ventilation and drainage device for the cable pit according to claim 1, wherein a protective net cover is fixedly arranged at an air inlet of the air box (11).