CN209055615U - A kind of stringing earth detector - Google Patents

Abstract

The utility model relates to search detection device field to a kind of electric leakage, and in particular to arrive a kind of stringing earth detector.Including being fixed with Pneumatic extension cylinder on bottom plate, promising its is fixed on the bottom plate of Pneumatic extension cylinder side, and the air pump of power is provided, leakage detector is fixed on the cylinder body of Pneumatic extension cylinder, the telescopic rod upper end of Pneumatic extension cylinder is fixed with lateral sliding rail, it is provided with the sliding block being slidably matched with it in the sliding slot of sliding rail upper end, the split core type current transformer being electrically connected with leakage detector is provided on sliding block.The utility model, structure is simple, easy to operate, avoids the operation of ascending a height of power supply personnel, and can be improved working efficiency and the personal safety of power supply personnel.

Description

A kind of stringing earth detector

Technical field

The utility model relates to arrive a kind of earth detector field, and in particular to arrive a kind of stringing earth detector.

Background technique

The 0.4kV power supply facilities now run is leaked electricity, due to user's power stealing facility, is caused every year to power supply enterprise Weight huge economic loss, because facility electric leakage also will cause human safety issues, for this purpose, power supply enterprise all need every year periodically it is right 0.4kV power supply facilities carries out looking into the work of tax evasion electricity, hits stealing electricity behavior, handles electric leakage；But power supply enterprise at present Industry is looked into the current and voltage method that the equipment that tax evasion electricity uses is mostly multimeter to overhead transmission line and is carried out, low for low-voltage overhead line road Voltage cable route is because the big spacing of low-voltage circuit line footpath is big (four low-voltage line maximum distances are about 0.8 meter), equipment used at present Effectively can not fast it carry out with lookup method, for this purpose, a kind of novel stringing earth detector is developed in plan, this equipment is had The current-voltage measurement function of multimeter at present, the clamp on amperemeter function of this equipment, survey crew directly can be right on ground Four conducting wires of overhead transmission line measure, do not need to step on bar can rapid survey go out to have abnormal electric leakage overhead transmission line；It can be big The big working efficiency for improving power supply personnel and personal safety, using this equipment by low-voltage circuit electric leakage, the power stealing of one ground of a line, across platform Area's stealing electricity behavior will have no place to hide.

Utility model content

The technical problem to be solved by the utility model is to a kind of working efficiencies and the person that can be improved power supply personnel The stringing earth detector of safety.

To achieve the goals above, technical solution provided by the utility model is:

A kind of stringing earth detector, including bottom plate are fixed with Pneumatic extension cylinder on bottom plate, Pneumatic extension cylinder side Promising its is fixed on bottom plate, the air pump of power is provided, be fixed with leakage detector, Pneumatic extension cylinder on the cylinder body of Pneumatic extension cylinder Telescopic rod upper end be fixed with lateral sliding rail, the sliding block being slidably matched with it is provided in the sliding slot of sliding rail upper end, on sliding block It is provided with split core type current transformer, the split core type current transformer includes the secured core of arc, the movable core of arc and two Secondary winding, secondary winding and the leakage detector electric connection of the split core type current transformer, movable core and secured core Outer rim is provided with insulating layer, and the lower end of secured core and movable core is hinged and in electrical contact, and the upper end of secured core is set Be equipped with convex block, movable core upper end, which is provided with, can accommodate convex block and the groove in electrical contact with it, secured core outer rim it is exhausted Edge layer is fixedly connected with sliding block by supporting plate, is fixed with supporting plate on the right side of supporting plate, supporting plate upper end, which is fixed with, enables to movable core On groove and bump contact second spring, the front of supporting plate is fixed with perpendicular fixed plate, slides and set in fixed plate It is equipped with motion bar, motion bar upper end is fixed with overhead gage, the first spring is arranged on the motion bar between overhead gage and fixed plate, It is fixed with lateral fixed strip on sliding rail front below fixed plate, long hole in parallel, motion bar are offered on fixed strip Lower end extends downwardly through the long hole on fixed strip, and motion bar lower end is provided with lower baffle plate, and lower baffle plate upper surface is fixed with and consolidates The rubber layer of fixed lower end face contact, lower baffle plate lower end are connect with the second drawstring upper end, solid on the insulating layer of movable core outer rim Surely there is fixed ring, sliding rail right end is fixed with otic placode, is hinged on otic placode and is connected to sheave, and one end of the first drawstring and fixed ring connect It connects, the other end of the first drawstring extends downwardly after bypassing sheave.

Specifically, bottom plate lower end quadrangle is provided with runner.

Specifically, the bottom plate is fixedly arranged at the front end with pushing hands.

Specifically, the lower end of first drawstring and the second drawstring is provided with pull ring.

Compared with prior art, the utility model has the following beneficial effects:

The utility model, structure is simple, easy to operate, avoids the operation of ascending a height of power supply personnel, can be improved power supplier The working efficiency of member and personal safety.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.

Parts title in attached drawing are as follows:

1, bottom plate, 2, runner, 3, pushing hands, 4, air pump, 5, Pneumatic extension cylinder, 6, leakage detector, 7, sliding rail, 8, fixation Item, 9, long hole, 10, sliding block, 11, supporting plate, 12, secured core, 13, movable core, 14, layer of becoming attached to, 15, convex block, 16, second draws Rope, 17, groove, 18, fixed plate, 19, motion bar, 20, lower baffle plate, 21, rubber layer, 22, overhead gage, the 23, first spring, 24, Supporting plate, 25, second spring, 26, fixed ring, 27, otic placode, 28, sheave, the 29, first drawstring, 30, pull ring.

Specific embodiment

As shown in Figs. 1-2, a kind of stringing earth detector, including bottom plate 1, the 1 lower end quadrangle of bottom plate are provided with Runner 2, the bottom plate 1 are fixedly arranged at the front end with pushing hands 3.Pneumatic extension cylinder 5, the bottom plate of 5 side of Pneumatic extension cylinder are fixed on bottom plate 1 Promising its is fixed on 1, the air pump 4 of power is provided, be fixed with leakage detector 6, Pneumatic extension cylinder 5 on the cylinder body of Pneumatic extension cylinder 5 Telescopic rod upper end be fixed with lateral sliding rail 7, the sliding block 10 being slidably matched with it is provided in the sliding slot of 7 upper end of sliding rail, it is sliding Split core type current transformer is provided on block 10, the split core type current transformer includes the activity of the secured core 12, arc of arc Iron core 13 and secondary winding, the secondary winding and leakage detector 6 of the split core type current transformer are electrically connected, movable core 13 Insulating layer 14 is provided with the outer rim of secured core 12, and the lower end of secured core 12 and movable core 13 is hinged and is electrically connected with Touching, the upper end of secured core 12 are provided with convex block 15,13 upper end of movable core be provided with can accommodate convex block 15 and with its electrical property The groove 17 of contact.

The insulating layer 14 of 12 outer rim of secured core is fixedly connected with sliding block 10 by supporting plate 11, and support is fixed on the right side of supporting plate 11 Plate 24,24 upper end of supporting plate are fixed with the second spring 25 for enabling to the groove on movable core 13 17 to contact with convex block 15, branch The front of plate 11 is fixed with perpendicular fixed plate 18, and sliding is provided with motion bar 19,19 upper end of motion bar in fixed plate 18 It is fixed with overhead gage 22, is arranged with the first spring 23 on the motion bar 19 between overhead gage 22 and fixed plate 18, under fixed plate 18 It is fixed with lateral fixed strip 8 on 7 front of sliding rail of side, offers long hole 9 in parallel on fixed strip 8, under motion bar 19 End extends downwardly through the long hole 9 on fixed strip 8, and 19 lower end of motion bar is provided with lower baffle plate 20, and 20 upper surface of lower baffle plate is fixed There is the rubber layer 21 with 8 lower end face contact of fixed strip, 20 lower end of lower baffle plate is connect with 16 upper end of the second drawstring, outside movable core 13 Fixed ring 26 is fixed on the insulating layer 14 of edge, 7 right end of sliding rail is fixed with otic placode 27, is hinged on otic placode 27 and is connected to sheave 28, One end of first drawstring 29 is connect with fixed ring 26, and the other end of the first drawstring 29 extends downwardly after bypassing sheave 28.It is described The lower end of first drawstring 29 and the second drawstring 16 is provided with pull ring 30.

When the utility model is used, it is pushed into below the stringing for needing to measure, the second drawstring 16 is pulled, so that lower baffle plate The rubber layer 21 of 20 upper surfaces is separated with the lower end surface of fixed strip 8, pushes supporting plate 11 to carry out position to split core type current transformer at this time Adjusting is set, so that split core type current transformer is located at immediately below detected stringing, then unclamps the second drawstring 16, the first spring 23 Make motion bar 19 increase by overhead gage 22 and makes the rubber layer 21 of 20 upper surface of lower baffle plate tight against the lower end of fixed strip 8 Face, sliding block 10 is stablized at this time, while the split core type current transformer on supporting plate 11 is stablized, booster air pump 4, so that Pneumatic extension The telescopic rod of cylinder 5 extends, and when split core type current transformer is close to the electric wire for needing to be detected, stops 5 telescopic rod of Pneumatic extension cylinder Elongation, operator pull the first drawstring 29 so that the upper end convex block 15 of the secured core 12 of split core type current transformer and activity The upper recess 17 of iron core 13 separates, and second spring 25 is compressed at this time, in the upper end convex block 15 for making secured core 12 and lives The upper recess 17 of dynamic iron core 13 extends the telescopic rod of Pneumatic extension cylinder 5 in the case where separating, so that be measured Electric wire is entered between secured core 12 and movable core 13 by the gap between 13 upper end of secured core 12 and movable core, Then unclamp the first drawstring 29 make split core type current transformer secured core 12 upper end convex block 15 and movable core 13 it is upper Groove 17 is held to contact, at this time according to the principle of mutual inductor, the electric current in measured electric wire will be shown on leakage detector 6 Show, so that operator be facilitated to judge.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (4)

1. a kind of stringing earth detector, including bottom plate (1), which is characterized in that bottom plate is fixed with Pneumatic extension cylinder on (1) (5), promising its is fixed on the bottom plate (1) of Pneumatic extension cylinder (5) side, and the air pump (4) of power, the cylinder of Pneumatic extension cylinder (5) are provided It is fixed on body leakage detector (6), the telescopic rod upper end of Pneumatic extension cylinder (5) is fixed with lateral sliding rail (7), sliding rail (7) The sliding block (10) being slidably matched with it is provided in the sliding slot of upper end, sliding block is provided with split core type current transformer on (10), described Split core type current transformer includes the secured core (12) of arc, the movable core (13) of arc and secondary winding, the pincerlike electricity The secondary winding of current transformer and leakage detector (6) are electrically connected, the outer rim with movable core (13) and secured core (12) It is provided with insulating layer (14), the lower end of secured core (12) and movable core (13) is hinged and in electrical contact, secured core (12) upper end is provided with convex block (15), and movable core (13) upper end, which is provided with, can accommodate convex block (15) and in electrical contact with it Groove (17), the insulating layer (14) of secured core (12) outer rim is fixedly connected with sliding block (10) by supporting plate (11), supporting plate (11) right side is fixed with supporting plate (24), supporting plate (24) upper end be fixed with enable to groove (17) on movable core (13) with it is convex The second spring (25) of block (15) contact, the front of supporting plate (11) are fixed with perpendicular fixed plate (18), fixed plate (18) Upper sliding is provided with motion bar (19), and motion bar (19) upper end is fixed with overhead gage (22), overhead gage (22) and fixed plate (18) Between motion bar (19) on be arranged with the first spring (23), sliding rail (7) below fixed plate (18) is fixed with transverse direction on front Fixed strip (8), offer long hole in parallel (9) on fixed strip (8), motion bar (19) lower end extends downwardly through fixation Long hole (9) on item (8), motion bar (19) lower end are provided with lower baffle plate (20), and lower baffle plate (20) upper surface is fixed with and fixes The rubber layer (21) of item (8) lower end face contact, lower baffle plate (20) lower end are connect with the second drawstring (16) upper end, movable core (13) It is fixed with fixed ring (26) on the insulating layer (14) of outer rim, sliding rail (7) right end is fixed with otic placode (27), and otic placode is hinged on (27) Have sheave (28), one end of the first drawstring (29) is connect with fixed ring (26), and the other end of the first drawstring (29) bypasses conductor rope It is extended downwardly after wheel (28).

2. a kind of stringing earth detector according to claim 1, which is characterized in that bottom plate (1) the lower end quadrangle is equal It is provided with runner (2).

3. a kind of stringing earth detector according to claim 1, which is characterized in that the bottom plate (1) is fixedly arranged at the front end with Pushing hands (3).

4. a kind of stringing earth detector according to claim 1, which is characterized in that first drawstring (29) and second The lower end of drawstring (16) is provided with pull ring (30).