CN213986706U - Cable insulation detection device - Google Patents

Abstract

A cable insulation detection device relates to the field of cable fault detection equipment, and comprises a resistance tester, a collection box, a vibration table, an insulation box and a cable drum for winding and winding one end of a cable; the bottom end fixing part of the vibrating table is arranged in the center of the inner bottom surface of the collecting box, and the upper surface of the vibrating part at the top end of the vibrating table is fixedly connected with the outer bottom surface of the insulating box; the center of each of two corresponding side walls of the insulation box is provided with a through hole, an insulation rubber sleeve with an inner wall matched with the cable to movably penetrate is hermetically fixed in each through hole, iron sand is filled in the insulation box, and a conductive plate is fixed on the inner bottom surface of the insulation box; one end of the current conducting plate is connected with a current conducting rod penetrating through the side wall of the insulating box, and two measuring joints of the resistance tester are respectively and correspondingly connected with the current conducting rod and the inner core at the other end of the cable; the insulation detection device has the advantages of small occupied area, simplicity, easiness in operation, time saving and labor saving.

Description

Cable insulation detection device

Technical Field

The utility model belongs to the technical field of cable fault detection equipment and specifically relates to a cable insulation detection device is related to.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protection layer, and is used for transmitting electric power or information from one place to a lead at another place; the traditional cable insulation detection equipment is complex, complex in operation and low in detection efficiency, and is very inconvenient for field detection of large cables.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses a cable insulation detection device, area is little, simple easy operation, and labour saving and time saving.

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

a cable insulation detection device comprises a resistance tester, a collection box, a vibration table, an insulation box and a cable drum for winding and winding one end of a cable; the bottom end fixing part of the vibrating table is arranged in the center of the inner bottom surface of the collecting box, and the upper surface of the vibrating part at the top end of the vibrating table is fixedly connected with the outer bottom surface of the insulating box; the center of each of two corresponding side walls of the insulation box is provided with a through hole, an insulation rubber sleeve with an inner wall matched with the cable to movably penetrate is hermetically fixed in each through hole, iron sand is filled in the insulation box, and a conductive plate is fixed on the inner bottom surface of the insulation box; one end of the current conducting plate is connected with a current conducting rod penetrating out of the side wall of the insulating box, and two measuring connectors of the resistance tester are respectively and correspondingly connected with the current conducting rod and the inner core at the other end of the cable.

Further, the cable reel is set to be an automatic reel or a manual reel.

Furthermore, a transparent insulating box door is arranged at the top of the insulating box.

Furthermore, the inner core of one end of the cable far away from the cable drum is correspondingly connected with the corresponding measuring joint of the resistance tester through an extension wire.

Further, the collecting box is detachably and fixedly connected with the ground.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a cable insulation detection device, when utilizing the cable drum to slowly roll up the cable, make the cable pass from the insulating case that is equipped with the iron sand, under the effect that the shaking table constantly vibrates, make the iron sand fully contact with the surface of cable, and infiltrate the damaged position that the cable probably appears, contact the inner core of cable, the measurement value of the resistance tester who has connected cable one end and current conducting plate like this will change; the utility model discloses not only area is little, and simple easy operation can be efficient detect the insulating properties to a cable, can accurately find the damaged position of cable moreover, is convenient for maintain.

Drawings

Fig. 1 is a schematic diagram of the present invention.

In the figure: 1. a resistance tester; 2. an insulating rubber sleeve; 3. an insulating box door; 4. iron sand; 5. an insulating case; 6. a cable drum; 7. a collection box; 8. a conductive rod; 9. a conductive plate; 10. a vibration table.

Detailed Description

The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:

the cable insulation detection device described with reference to fig. 1 includes a resistance tester 1, a collection box 7, a vibration table 10, an insulation box 5, and a cable drum 6 for winding and winding one end of a cable, wherein the cable drum 6 is an automatic drum or a manual drum as required, but the cable is ensured to move slowly and at a constant speed; the bottom end fixing part of the vibrating table 10 is arranged in the center of the inner bottom surface of the collecting box 7, and the collecting box 7 is used for collecting iron sand 4 falling from the insulating rubber sleeve 2 and a cable gap; the collecting box 7 is detachably and fixedly connected with the ground according to the requirement, although the collecting box 7 has large contact area with the ground and is stably supported, the work of the vibrating table 10 is not influenced, but the collecting box is more stable when being fixed with the ground and is prevented from moving; the upper surface of the vibrating part at the top end of the vibrating table 10 is fixedly connected with the outer bottom surface of the insulating box 5 and is used for driving the iron sand 4 in the insulating box 5 to vibrate and fill the gap;

the center of two corresponding side walls of the insulation box 5 is provided with a through hole, an insulation rubber sleeve 2 with an inner wall matched with the cable to movably penetrate is hermetically fixed in the through hole, iron sand 4 is filled in the insulation box 5, the iron sand 4 needs to completely cover the cable in the insulation box 5, when the cable is slowly wound by the cable winding drum 6, the cable penetrates through the insulation box 5 filled with the iron sand 4, and under the action of continuous vibration of the vibration table 10, the iron sand 4 can be fully contacted with the outer surface of the cable, and penetrates into a possible damaged position of the cable to be contacted with an inner core of the cable; according to the requirement, the top of the insulating box 5 is provided with a transparent insulating box door 3, although the insulating rubber sleeve 2 also has a sealing function, due to the vibration function of the vibration table 10 and the movement of the cable, some iron sand 4 in the insulating box 5 can be inevitably taken out, so that the storage amount of the iron sand 4 in the insulating box 5 can be observed through the transparent insulating box door 3, and once the cable cannot be covered, the iron sand 4 needs to be added immediately;

a current conducting plate 9 is fixed on the inner bottom surface of the insulation box 5, one end of the current conducting plate 9 is connected with a current conducting rod 8 penetrating through the side wall of the insulation box 5, two measuring joints of the resistance tester 1 are respectively and correspondingly connected with the current conducting rod 8 and the inner core at the other end of the cable, the iron sand 4 can penetrate into the inner core contacting the cable, the current conducting plate 9 is fully contacted with the iron sand 4 and is correspondingly connected with the resistance tester 1 through the current conducting rod 8, once the cable is damaged, a loop is formed, so that the resistance is changed and is measured by the resistance tester 1; according to needs, the inner core of the cable far away from one end of the cable drum 6 is correspondingly connected with the corresponding measuring joint of the resistance tester 1 through the extension lead, and when the cable is long, the connection distance of the measuring joint of the resistance tester 1 is extended through the extension lead.

The cable insulation detection device of the utility model is implemented by passing one end of a cable through two insulating rubber sleeves 2 of an insulating box 5 in sequence, winding the cable on a cable drum 6, opening an insulating box door 3 to pour iron sand 4 into the insulating box, wherein the iron sand 4 is required to completely cover the cable, but the insulating box 5 is preferably not filled with the iron sand 4, leaving some vibration space, connecting two measuring connectors of a resistance tester 1 with a conductive rod 8 and an inner core of the cable far away from the cable drum 6, starting a vibration table 10, and slowly rotating the cable drum 6 at a constant speed; when the measured value of the resistance tester 1 changes, the cable drum 6 and the vibration table 10 are stopped, then the cable close to the two insulating rubber sleeves 2 is marked respectively, the cable drum 6 and the vibration table 10 are started continuously to detect the cable until the whole cable passes through the insulating box 5, and then the corresponding damaged position is found according to the marked mark to be repaired.

The part of the utility model not detailed is prior art.

Claims (5)

1. The utility model provides a cable insulation detection device which characterized in that: the device comprises a resistance tester (1), a collection box (7), a vibration table (10), an insulation box (5) and a cable drum (6) for winding and rolling one end of a cable; the bottom end fixing part of the vibrating table (10) is arranged in the center of the inner bottom surface of the collecting box (7), and the upper surface of the vibrating part at the top end of the vibrating table (10) is fixedly connected with the outer bottom surface of the insulating box (5); the center of two corresponding side walls of the insulating box (5) is provided with a through hole, an insulating rubber sleeve (2) with an inner wall matched with the cable to movably penetrate is hermetically fixed in the through hole, iron sand (4) is filled in the insulating box (5), and a conductive plate (9) is fixed on the inner bottom surface of the insulating box (5); one end of the current-conducting plate (9) is connected with a current-conducting rod (8) penetrating out of the side wall of the insulating box (5), and two measuring connectors of the resistance tester (1) are respectively and correspondingly connected with the current-conducting rod (8) and the inner core of the other end of the cable.

2. The cable insulation detecting device according to claim 1, wherein: the cable reel (6) is set to be an automatic reel or a manual reel.

3. The cable insulation detecting device according to claim 1, wherein: and a transparent insulating box door (3) is arranged at the top of the insulating box (5).

4. The cable insulation detecting device according to claim 1, wherein: the inner core of one end of the cable far away from the cable drum (6) is correspondingly connected with the corresponding measuring joint of the resistance tester (1) through an extension wire.

5. The cable insulation detecting device according to claim 1, wherein: the collecting box (7) is detachably and fixedly connected with the ground.

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