KR200347456Y1 - Portable Oil Collector for Live Wire Oil Filled Cable - Google Patents

Abstract

The present invention collects the insulating oil flowing into the underground transmission cable in the live state from the intermediate junction box and performs the degradation diagnosis of the insulating oil according to the aging progress of the underground transmission cable to improve the efficiency of the diagnostic work and prevent power failure. The present invention relates to an insulating oil collecting device used to improve supply reliability.

The present invention is the handle is assembled and installed on the upper bracket and the lower bracket and the operating mechanism is configured to be installed insulated by the insulating operating rod; An insulating cover body surrounding the operation mechanism and having a predetermined gap formed between the insulating operating rod and the lower bracket, the upper cover being coupled to the insulating operating rod and being tightly coupled to each other, and having a buckle fixed therein; And a collecting port which is connected through a space formed between the lower bracket and the buried outlet, a gap between the manipulation mechanism and the insulating cover, and a flow path formed on one side of the upper cover. It is composed.

Description

Portable Oil Collector for Live Wire Transmission Cable {Portable Oil Collector for Live Wire Oil Filled Cable}

The present invention collects the insulating oil flowing into the underground transmission cable in the live state from the intermediate junction box and performs the degradation diagnosis of the insulating oil according to the aging progress of the underground transmission cable to improve the efficiency of diagnostic work and prevent power failure. The present invention relates to an insulating oil collecting device used to improve supply reliability.

In general, when the insulation oil sample is to be taken to determine the degree of insulation degradation of the underground transmission cable, the line of the underground transmission cable must be interrupted in order to ensure safety, resulting in the interruption of the power supply service. Since the grounding and verification work due to a cease-fire is required, the working time is increased.In general, in case of collecting the insulating oil from the common junction box or the insulation junction box where the check valve is not installed, separate scattering prevention measures are required. If it is not provided, there is a risk of sudden hydraulic fluctuations due to the splashing of the insulating oil, which is a factor that reduces the work efficiency.

In addition, even when several lines are simultaneously accommodated in the manhole, insulating oil can only be collected from a line that is in an armistice state. As a result of this redundant manhole drainage, an increase in work cost is caused and an inefficient problem for insulating oil sampling occurs.

The present invention has been researched and developed to fundamentally solve such a conventional problem.

The main object of the present invention is to provide an insulating oil collecting device in which thorough insulation measures are taken to ensure the safety of workers from constant and transient urban voltage induced by underground transmission cables or junction boxes usually made of copper tubes.

Another object of the present invention is to work in a narrow space between the junction box, to withstand the maximum hydraulic pressure of the line system during the operation, and does not generate a sudden hydraulic change during the insulating oil collection operation, to prevent the inflow of moisture or impurities inside the device The present invention aims to provide an insulating oil collecting device having a sufficient airtight structure and an internal flow path so that air does not remain in the oil passage.

Another object of the present invention is to provide an insulating oil collecting device which is made by adopting the outer cover body safely so that the insulating oil does not scatter to the outside when the insulating oil is collected.

1 is an exploded perspective view as a preferred example of the present invention,

2 is a partially cutaway sectional view of the assembled state of FIG. 1;

3 is an exemplary view showing a use state.

<Explanation of symbols for the main parts of the drawings>

1: bracket, 3: handle,

5: lower bracket, 7: insulated operating rod,

9: top cover, 10: operating mechanism,

11: payout, 13: space,

15: gap, 17: euro,

20: insulating cover body, 30: collecting hole

The present invention is the handle is assembled and installed on the upper bracket to achieve the above objects and the operating mechanism is configured to be installed insulated by the insulating operating rod and the lower bracket; An insulating cover body surrounding the operation mechanism and having a predetermined gap formed between the insulating operating rod and the lower bracket, the upper cover being coupled to the insulating operating rod and being tightly coupled to each other, and having a buckle fixed therein; And a collecting port which is connected through a space formed between the lower bracket and the buried outlet, a gap between the manipulation mechanism and the insulating cover, and a flow path formed on one side of the upper cover. Provided is an insulating oil collecting device configured.

Hereinafter, with reference to the accompanying drawings will be described in more detail on the basis of a preferred embodiment of the present invention.

As illustrated in FIGS. 1 to 3, according to a preferred example of the present invention, the handle 3 is assembled to the upper bracket 1, and the lower bracket 5 is insulated from the lower bracket 5 by an insulating operation rod 7. An operation mechanism 10 configured to be configured; While covering the operation mechanism 10 and the insulating operating rod (7) and the lower bracket (5) in a state where a predetermined gap is formed, the upper cover (9) coupled with the insulating operating rod (7) and the airtightness can be maintained. Insulated cover body 20 is coupled and the lower portion is fixed to the mounting bracket (11); And a space 13 formed between the lower bracket 5 and the buried opening 11, a gap 15 between the operating mechanism 10 and the insulating cover body 20, and the upper cover ( The configuration is made in the combined form of the collecting port 30 is connected via the flow path 17 formed on the inner side of 9).

At this time, the upper bracket (1) and the handle (3) is coupled to be possible to separate coupling, for example, the coupling portion (1a) of the upper bracket (1) is formed in a hexagon and in the case of the handle (3) Correspondingly, a device including an operation mechanism 10 is formed by manipulating the handle 3 in a state in which a coupling hole 3a having a hexagonal shape is formed and the coupling part 1a is fitted into the coupling hole 3a, if necessary. The configuration is made to operate.

Further, in the operation mechanism 10, the upper and lower brackets 1, 5, which are provided at the upper and lower sides of the insulating operating rod 7, are epoxy when the insulating operating rod 7 is manufactured. Molding is to be made of a resin material, the upper and lower brackets (1,5) can be made by insert molding to be integrally formed, in the case of the lower bracket (5) hexagonal groove (5a) in the lower inner Is formed to be combined with the hexagonal adjusting nut 42 of the junction box 40 so as to be tightened or loosened, and an oil discharge hole 5b is installed inside the hexagonal groove 5a.

Next, the upper cover 9 is manufactured in the form of a disc using a material such as nylon having excellent insulation and strength, and forms a flow path 17 at one side thereof, so that the upper cover 9 is installed in combination with the collecting port 30, and an insulating cover body. (20) is coupled to each other by a plurality of fasteners 23, between the upper cover (9) and the operating mechanism (10) and between the upper cover (9) and the insulating cover body (20) O-ring (25, 27) are installed to ensure confidentiality.

Next, the insulating cover body 20 is made of an epoxy resin which is an insulating material, but is made of a separate buried fixture (11) made of epoxy insulating material and are integrally coupled to each other.

The collecting port 30 is configured to combine the transparent hose 33 in the form of a ball valve so that the state that the insulating oil is discharged from the outside with the naked eye.

In addition, a separate airtight O-ring 11a is installed on the bottom of the lower buckle 11 of the insulating cover body 20.

Next will be a look at the operation and use relationship of the oil extraction device of the present invention made as described above.

First, clean the periphery of the hexagon adjusting nut 42 of the junction box 40 to be checked and remove the plastic plug not shown.

In the collecting device of the present invention, the hexagonal adjustment nut 42 is fitted into the hexagonal recess 5a of the lower bracket 5 as the inner side of the insertion bracket 11 of the insulating cover body 20 so as to fit together. The o-rings 11a located at the bottom of 11 are assembled with each other in close contact with the outer sheet portion of the junction box 40.

Next, the coupling hole 3a of the handle 3 is coupled to the coupling portion 1a of the upper metal fitting 1, and the handle ( 3) Turn clockwise to loosen the hexagon adjusting nut 42 to discharge the insulating oil inside the connection box 40. When the sampling port is opened, the insulating oil is discharged from the oil discharge hole 5b, the space 13, the gap 15, After collecting the insulating oil discharged to the outside through the flow path 17, the collecting port 30, and the transparent hose 33, lock the collecting port 30 and turn it counterclockwise again with the handle 3 to make the hexagonal adjustment nut 42. To shut off the oil.

After the insulating oil is collected in this way, the transparent hose 33 is removed, the handle 3 is removed, and an oil absorption cloth is prepared around the junction box 40 in preparation for the insulating oil remaining inside the sampling device. Remove the collecting device from the junction box (40) in the state, wipe off the remaining insulating oil with a cloth, and check that the hexagon adjusting nut (42) is locked properly, and if it is not locked securely, tighten it securely. The plastic stopper can be combined to finish the finish.

As described above, according to the present inventors collection device, the upper mechanism (1), the handle (3), the lower bracket (5), and the operating mechanism 10 is coupled to the insulating operating rod (7), the upper cover ( 9) and the insulating cover body 20 to which the fixing bracket 11 is fixedly installed, and the collecting port 30 connected through the space 13, the gap 15, and the flow path 17 are combined. Its configuration makes it possible to provide thorough insulation measures so that workers can be safe from constant and transient overvoltage induced by underground transmission cables or junction boxes that are usually made of copper tubes, and work in narrow space of junction box 40 is possible. It is able to withstand the maximum hydraulic pressure of the line system during work, and there is no sudden change of hydraulic pressure during the operation of insulating oil collection, it prevents the inflow of moisture or impurities and prevents air from remaining in the flow path inside the device. Euro At the same time, it is possible to use the external insulating cover body 20 safely so that the insulating oil is not scattered to the outside during the collection of the insulating oil, and can be very advantageously used in the field of collecting the insulating oil of the insulating oil. Has

Claims (2)

An operating mechanism (10) configured to be assembled and installed with a handle (3) on the upper bracket (1), and the lower bracket (5) is insulated and installed by an insulating operating rod (7); While covering the operation mechanism 10 and the insulating operating rod (7) and the lower bracket (5) in a state where a predetermined gap is formed, the upper cover (9) coupled with the insulating operating rod (7) and the airtightness can be maintained. Insulated cover body 20 is coupled and the lower portion is fixed to the mounting bracket (11); And, A space 13 formed between the lower bracket 5 and the buried opening 11, a gap 15 between the operation mechanism 10 and the insulating cover body 20, and the upper cover 9. Portable insulation oil collecting device for live underground underground power transmission cable, characterized in that the configuration is made of a combined form of the collecting port 30 is connected via the flow path (17) formed on one side of the inside. The method of claim 1, The upper bracket (1) and the handle (3) is made to be coupled to be separated, the coupling portion (1a) of the upper bracket (1) is formed in a hexagon and in the case of the handle (3) hex shape correspondingly Is made by forming a coupling hole (3a), The operation mechanism 10 is the upper and lower brackets (1,5) are installed in the upper and lower centers around the insulating operating rod (7) integrally insert molding, the lower bracket (5) in the lower inner A hexagonal groove 5a is formed, and an oil discharge hole 5b is installed inside the hexagonal groove 5a. The upper cover (9) is formed in the form of a disk (17) in the inner side to be combined with the collecting port 30, the insulating cover body 20 is coupled to each other by a plurality of fasteners 23, O-rings 25 and 27 are respectively installed between the upper cover 9 and the operation mechanism 10 and between the upper cover 9 and the insulating cover body 20 so as to be able to be kept airtight. The insulating cover body 20 is made of an insulating material, but is made of a separate buried fixture (11) made of an insulating material and are integrally coupled to each other, The collecting port 30 is configured to be able to visually check the state that the insulating oil is discharged by combining the transparent hose 33 in the form of a ball valve, Portable insulating oil collecting device for live underground cable transmission, characterized in that the bottom surface of the lower buried bracket (11) of the insulating cover body 20 is provided with a separate airtight O-ring (11a).