CN204125968U - The anti-water collecting device of a kind of cable shaft - Google Patents

Abstract

An anti-water accumulation device for a cable well, which relates to an anti-water accumulation structure for a cable well, in which a pit (12) is provided on the bottom surface of a downhole expansion cavity (11) of the cable well, and the upper part of the cable well necks the wellhead ( 3) The bottom middle plate (6) at the lower end is connected to the lower surface of the expansion chamber of the downhole, and a water collection tank (8) corresponding to the upper necking wellhead and well wall is provided, and the water collector (13) provided at the bottom of the pit and the water collection tank passes through The water pump (9) is connected to the water pump (5), and the water pump passes through the ground surface outside the drain pipe (2) or the urban drainage pipe network; the utility model uses a water collector arranged in the sump and the pit at the bottom of the expansion cavity of the downhole to generate The water pump pumps away the accumulated water, avoiding the accumulation of water on the well wall and the bottom of the well.

Description

Waterlogging prevention device for cable well

【Technical field】

The utility model relates to a water accumulation prevention structure for a cable well, in particular to a water accumulation prevention device for a cable well.

【Background technique】

It is known that with the acceleration of urbanization and the gradual increase in the requirements of cities for the environment, most urban cables have begun to implement underground engineering. In order to facilitate cable maintenance and branching, cable wells are usually required at line branching points. Due to The equipment in the cable well has high requirements for waterproof performance, so the cable well needs to be equipped with a waterproof structure or waterproof device, but the wellhead of the cable well usually has water seepage, and the well wall of the cable well will also see water, resulting in water accumulation in the well Seriously, it will affect the operation of the equipment, run electricity or flash accidents, which cannot be completely avoided by the existing waterproof structure or waterproof device.

【Content of invention】

In order to overcome the deficiencies in the prior art, the utility model discloses a water accumulation prevention device for cable wells. Through the water collector arranged in the water collection tank and the bottom pit of the downhole expansion chamber, the water accumulation is pumped away to avoid The accumulated water on the side of the well and the bottom of the well.

In order to realize the purpose of the invention, the utility model adopts the following technologies:

An anti-water accumulation device for a cable well, comprising a cable well, a water collection tank, a pit, a water pump, a water suction pipe and a water collector, a pit is arranged on the bottom surface of the downhole expanding cavity of the cable well, and the upper part of the cable well shrinks The lower surface of the lower end of the neck wellhead is connected to the lower surface of the expansion cavity of the downhole, and a sump corresponding to the upper necked wellhead well wall is provided. The water collector arranged at the bottom of the pit and the sump is connected to a water pump through a suction pipe, and the water pump passes through The ground outside the drainpipe or the urban drainage network.

In the cable well anti-watering device, a well cover is provided at the upper end of the upper necked wellhead.

The anti-water accumulation device of the cable well is provided with a climbing ladder on the well wall of the upper necking wellhead, and a ladder for receiving the climbing ladder is provided in the expanding cavity of the downhole.

In the anti-water accumulation device for cable wells, the connection plate provided on the outer edge of the water collection tank is connected to the lower surface of the middle plate.

In the anti-watering device for cable wells, the water collector includes a block, a grate, a hollow ball and a sensor, the upper surface of the block is provided with a conical cavity with a large upper part and a smaller lower part, and the bottom of the conical cavity is provided with a Circular cavity, the circular cavity is connected to the water pump through the suction pipe, and a hollow ball is arranged in the conical cavity, and the upper end of the conical cavity is provided with a grate; the information collection end of the sensor is in the circular cavity, and the sensor passes through the wire Connect the trigger switch of the water pump.

In the anti-flooding device for cable wells, the middle part of the drainage pipe passes through the upper necked wellhead, the middle plate, or any external ground or urban drainage pipe network in the expansion chamber of the downhole.

Due to the above-mentioned technical scheme, the utility model has the following beneficial effects:

The anti-water accumulation device for cable wells described in the utility model, by setting a water collecting tank at the lower end of the upper necking wellhead, the seepage water is collected by the water collecting tank, so as to prevent the impact of water seepage on the equipment, and the water in the pit provided at the bottom of the expanding cavity of the downhole The collector can collect and discharge the water at the bottom of the well; the utility model effectively avoids the harm to the equipment caused by the accumulated water on the well wall and the bottom of the well.

【Description of drawings】

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of water collector of the present utility model;

In the figure: 1. Manhole cover; 2. Drainage pipe; 3. Upper necking wellhead; 4. Ladder; 5. Water pump; 6. Middle plate; 7. Connecting plate; ; 11, downhole expansion cavity; 12, pit; 13, water collector; 14, grate; 15, tapered cavity; 16, hollow ball; 17, circular cavity; 18, wire; 19, sensor; 20, blocks.

【Detailed ways】

With reference to the following embodiments, the utility model can be explained in more detail; but it should be pointed out that the utility model is not limited to the following examples; the purpose of disclosing the utility model is intended to protect all changes and changes within the scope of the utility model Improve.

The cable well water prevention device described in conjunction with accompanying drawing 1 or 2 includes a cable well, a sump 8, a pit 12, a water pump 5, a water suction pipe 9 and a water collector 13, and is placed at the bottom of the downhole expansion cavity 11 of the cable well. A pit 12 is arranged on the surface, and a well cover 1 is provided on the upper end of the upper necking wellhead 3. A ladder 4 is provided on the well wall of the upper necking wellhead 3, and a ladder 4 is arranged in the expanding cavity 11 for going down the well. The ladder 10 of the necking wellhead 3 at the upper part of the cable well, the middle plate 6 at the lower end of the cable shaft is connected to the lower surface of the expanding cavity 11 of the downhole. The connecting plate 7 is connected to the lower surface of the middle plate 6, and the water collector 13 arranged at the bottom of the pit 12 and the sump 8 is connected to the water pump 5 through the water pipe 9, and the water pump 5 is drained through the drain pipe 2, that is, the The middle part of the drainage pipe 2 passes through the upper necking wellhead 3, the middle plate 6 or any external ground or urban drainage pipe network in the downhole expansion chamber 11; the water collector 13 includes a block 20, a grate 14, a hollow ball 16 and sensor 19, the upper surface of the block 20 is provided with a tapered chamber 15 with a large upper part and a smaller lower part. The bottom of the tapered chamber 15 is provided with a circular chamber 17. A hollow ball 16 is provided in the conical cavity 15, and a grate 14 is provided at the upper end of the conical cavity 15; the information collection end of the sensor 19 is in the circular cavity 17, and the sensor 19 is connected to the trigger switch of the water pump 5 through a wire 18 .

To implement the anti-flooding device for cable wells described in the present invention, a hole for the drainage pipe 2 to pass is punched out on the well wall of the existing cable well during construction, and the installed drainage pipe 2 uses a sealant to block the drainage pipe 2 and the hole, and then install the sump 8 on the middle plate 6 at the lower end of the upper necking wellhead 3, use expansion screws to fix the connecting plate 7 on the outer edge of the sump 8, and set water in the sump 8 and the pit 12 respectively. The collector 13 is then connected to the water pump 5 by two suction pipes 9 and a tee, and the water pump 5 is connected to an external power supply. The trigger switch of the water pump 5 is connected to the sensors 19 of the two water collectors 13 respectively. When there is water accumulation, the sensor 19 triggers the trigger switch of the water pump 5. After the water in the two water collectors 13 is exhausted, the sensor 19 controls the water pump 5 to stop working;

The unspecified part of the utility model is prior art.

Claims (6)

1. the anti-water collecting device of cable shaft, comprise cable shaft, catch basin (8), pit (12), water pump (5), drinking-water pipe (9) and water collector (13), it is characterized in that: in expanding chamber (11) bottom faces of going into the well of cable shaft, be provided with pit (12), the bottom surfaces in expanding chamber (11) of going into the well the connection of described cable shaft top necking down well head (3) lower end central panel (6) is provided with the catch basin (8) of corresponding top necking down well head (3) borehole wall, described pit (12), the water collector (13) that catch basin (8) bottom is arranged connects water pump (5) by drinking-water pipe (9), described water pump (5) is by gutter (2) external ground or urban drainage pipe network.

2. the anti-water collecting device of cable shaft according to claim 1, is characterized in that: be provided with well lid (1) in the upper end of top necking down well head (3).

3. the anti-water collecting device of cable shaft according to claim 1, is characterized in that: on the borehole wall of top necking down well head (3), be provided with cat ladder (4), is provided with the ladder (10) accepting described cat ladder (4) in expanding chamber (11) of going into the well.

4. the anti-water collecting device of cable shaft according to claim 1, is characterized in that: the junction plate (7) that described catch basin (8) outer rim is arranged connects the bottom surfaces of central panel (6).

5. the anti-water collecting device of cable shaft according to claim 1, it is characterized in that: described water collector (13) comprises block (20), double-edged fine-toothed comb (14), hollow ball (16) and sensor (19), the upper side of block (20) is provided with up big and down small conical cavity (15), described conical cavity (15) bottom is provided with circular cavity (17), circular cavity (17) connects water pump (5) by drinking-water pipe (9), in conical cavity (15), be provided with hollow ball (16), the upper end of described conical cavity (15) is provided with double-edged fine-toothed comb (14); The information gathering end of sensor (19) is in circular cavity (17), and described sensor (19) connects the trigger switch of water pump (5) by wire (18).

6. the anti-water collecting device of cable shaft according to claim 1, is characterized in that: described gutter (2) middle part is through top necking down well head (3), central panel (6) or the arbitrary external ground of going into the well in expanding chamber (11) or urban drainage pipe network.