CN211905497U - Flexible current clamp with take-up mechanism for electric loop detection - Google Patents

Abstract

The utility model discloses an electric loop detects uses flexible current pincers with admission machine, including flexible pincers body, knob and switch setting are on flexible pincers body one side lateral wall, flexible pincers body one end is connected with the binding clip of a pair of matching through the pivot hinge, and the fixed receipts line box that is provided with in one side that knob and switch were kept away from to flexible pincers, it is connected with the receipts line roller to receive the line box internal rotation, the one end that flexible pincers body was kept away from to the receipts line roller outwards runs through receipts line box lateral wall fixedly connected with turning handle, and receives the line box lateral wall and receive the bearing that the line roller junction is provided with the matching, still rotates in receiving the line box and is connected with a plurality of wrapping posts, is provided with the through hole on the lateral wall of one side that the binding clip was kept away from to the receipts line box, receives on line. The utility model discloses after the detection finishes, can tighten up the optic fibre line, avoid optic fibre money to expose outside and take place wearing and tearing with other instruments, improved the protection effect to the optic fibre line.

Description

Flexible current clamp with take-up mechanism for electric loop detection

Technical Field

The utility model relates to a current clamp technical field especially relates to flexible current clamp is used in electric loop detection with admission machine.

Background

The measurement to high-voltage line is usually carried out with the application clip-on ammeter, the principle of traditional clip-on ammeter is open type current transformer's principle, need have the iron core in the pincers, because the needs of clip-on open structure, lead to the iron core not closed, so great and can produce the magnetic leakage through the clearance at opening part magnetic resistance, so its measuring accuracy of high-pressure clip-on ammeter can only reach 0.5% the highest, adopt flexible optic fibre current sensor can reach 0.2% measuring accuracy, the mode of carrying out current measurement with optic fibre sensor usually is that the outage is then measured on winding optic fibre to the measured current line by the tester.

After the optical fiber wire of the existing flexible current clamp is used, most of the optical fiber wires are directly wound on the handle of the flexible current clamp and are placed in a tool box together, and the optical fiber wire exposed outside is easily abraded with an air pressure tool in the tool box, so that the optical fiber wire inside is damaged, and the next detection result of the flexible current clamp is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that the existing flexible current line is not provided with the take-up function and is exposed to the outer optical fiber line to easily cause abrasion, thereby providing the flexible current clamp for detecting the electrical loop with the take-up mechanism.

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

the flexible current clamp with the wire take-up mechanism for detecting the electrical loop comprises a flexible clamp body, a knob and a switch, wherein the knob and the switch are arranged on the side wall of one side of the flexible clamp body, one end of the flexible clamp body is hinged with a pair of matched clamp heads through a rotating shaft, a wire take-up box is fixedly arranged on one side of the flexible clamp far away from the knob and the switch, a wire take-up roller is connected in the wire take-up box in a rotating mode, one end of the wire take-up roller far away from the flexible clamp body penetrates through the side wall of the wire take-up box outwards and is fixedly connected with a rotating handle, matched bearings are arranged at the joint of the side wall of the wire take-up box and the wire take-up roller, a plurality of winding posts are further connected in the wire take-up box in a rotating mode, a through hole is formed in the side wall of the wire take-up box far, the optical fiber cable is fixedly sleeved with a retainer ring, the diameter of the retainer ring is larger than that of the through hole, and the retainer ring is located between the outer side wall of the take-up box and the optical fiber head.

Preferably, the rotating handle is connected with a positioning bolt in a threaded manner, the positioning bolt upwards penetrates through the rotating handle, and a positioning hole matched with the positioning bolt is fixedly formed in the lower side wall of the wire collecting box.

Preferably, the outer surface of the flexible pliers body is wrapped with a layer of soft insulating rubber sheet with uniform thickness.

Preferably, the inner wall of the through hole is smoothly polished, and the periphery of the wire collecting box is rounded.

Preferably, the position where the outer side wall of the take-up box abuts against the retainer ring is provided with magnetism, and the magnetism of the retainer ring is opposite to that of the position.

The utility model has the advantages that: the utility model discloses in, through setting up the line box of receiving in flexible pincers body one side, after the detection finishes, can tighten up the optic fibre line, avoided optic fibre money to expose and take place wearing and tearing with other instruments outside, through setting up positioning bolt, be in order to ensure to tighten up the optic fibre line after, receive the line roller and can not take place the transmission again, lead to the optic fibre line to take place to slide, further improved the protection effect to the optic fibre line.

Drawings

Fig. 1 is a schematic structural view of a flexible current clamp for detecting an electrical loop with a take-up mechanism according to the present invention;

fig. 2 is a schematic side view of the flexible current clamp for detecting an electrical circuit with a wire rewinding mechanism according to the present invention;

fig. 3 is a schematic diagram of a front structure of a wire collecting box of the flexible current clamp for detecting an electrical loop with a wire collecting mechanism according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: the flexible optical fiber cable winding pliers comprise a flexible pliers body 1, a knob 2, a switch 3, a pliers head 4, a cable winding box 5, a cable winding roller 6, a winding post 7, an optical fiber cable 8, a rotating handle 9, a positioning bolt 10, a through hole 11, an optical fiber head 12 and a retainer ring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the flexible current clamp with a take-up mechanism for electrical loop detection comprises a flexible clamp body 1, a knob 2 and a switch 3, wherein the knob 2 and the switch 3 are arranged on a side wall of the flexible clamp body 1, the outer surface of the flexible clamp body 1 is wrapped with a layer of insulating rubber sheet with uniform thickness and soft surface, the insulating rubber sheet is arranged on the outer side wall of the flexible clamp body 1, on one hand, in order to avoid that a detector has the insulating rubber sheet when taking the flexible clamp body 1 to detect a circuit, if the flexible clamp itself leaks electricity, no prick is caused to the skin of the detector, one end of the flexible clamp body 1 is hinged with a pair of matched clamp heads 4 through a rotating shaft, in addition, the flexible current clamp which is complete and can normally carry out loop detection also comprises electronic elements such as an ammeter, a small display and the like, which do not belong to the innovation point of the present utility, and belongs to the inherent structure of the existing flexible current clamp, the utility model does not need to be described in detail, and one side of the flexible current clamp, which is far away from the knob 2 and the switch 3, is fixedly provided with a take-up box 5, the take-up roller 6 is connected in the take-up box 5 in a rotating way, one end of the take-up roller 6, which is far away from the flexible clamp body 1, penetrates through the side wall of the take-up box 5 outwards and is fixedly connected with a rotating handle 9, the connecting part of the side wall of the take-up box 5 and the take-up roller 6 is provided with a matched bearing, the rotating handle 9 is connected with a positioning bolt 10 in a threaded way, the positioning bolt 10 penetrates through the rotating handle 9 upwards, the positioning bolt 10 is fixedly provided with a positioning hole matched with the positioning bolt 10 on the side wall of the take-up box 5, after the flexible current clamp is used, the rotating handle 9 is rotated to take-up the optical fiber wire 8 into the take-, the loosening of the optical fiber wire 8 caused by the rotation of the wire take-up roller 6 can be avoided, and the optical fiber wire 8 is effectively protected from sliding out of the take-up box 5;

the take-up box 5 is also rotatably connected with a plurality of winding posts 7, a through hole 11 is formed in the side wall of the take-up box 5, which is far away from the binding clip 4, an optical fiber 8 is wound on the take-up roller 6 and the winding posts 7 together, one end of the optical fiber 8, which is far away from the take-up roller 6, penetrates through the through hole 11 outwards and is fixedly connected with an optical fiber head 12, the inner wall of the through hole 11 is smoothly polished, so that the problem that the normal service life of the optical fiber 8 is affected due to abrasion of the optical fiber 8 and the through hole 11 when the optical fiber 8 is taken up and paid off is solved, the periphery of the take-up box 5 is chamfered, a retaining ring 13 is fixedly sleeved on the optical fiber 8, the diameter of the retaining ring 13 is larger than that of the through hole 11, and thus, the retaining ring 13 can play a better limiting role, the retaining ring 13 is positioned, and the retaining ring 13 is opposite to the magnetism of the outer side wall of the take-up box 5, when the retaining ring 13 is abutted to the outer side wall of the take-up box 5, the rotating handle 9 stops rotating, the take-up is finished, and according to the principle that like poles repel each other and opposite poles attract each other of the magnet, the retaining ring 13 is opposite to the magnetism of the outer side wall of the take-up box 5, the optical fiber wire 8 is further limited, and the optical fiber wire 8 is prevented from sliding.

The utility model discloses in, after using flexible current clamp to detect the end, when needing to tighten up optic fibre line 8, rotate turning handle 9 this moment, receive line roller 6 self and take place to rotate, under the effect of wrapping post 7, tighten up optic fibre line 8, when retaining ring 13 offsets with 5 lateral walls of receipts line box, stall turning handle 9, it finishes to receive the line, tighten up the positioning bolt 10 with 9 threaded connection of turning handle this moment, be in the same place with the locating hole cooperation that sets up on 5 lateral walls of receipts line box when positioning bolt 10, turning handle 9 no longer rotates, it is fixed thereupon to receive line roller 6, fine protect optic fibre line 8, avoid the wearing and tearing of 8 epidermis emergence of optic fibre line, influence the detection effect next time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The flexible current clamp with the wire take-up mechanism for detecting the electric loop comprises a flexible clamp body (1), a knob (2) and a switch (3), wherein the knob (2) and the switch (3) are arranged on the side wall of one side of the flexible clamp body (1), and is characterized in that one end of the flexible clamp body (1) is hinged with a pair of matched clamp heads (4) through a rotating shaft, a wire take-up box (5) is fixedly arranged on one side of the flexible clamp far away from the knob (2) and the switch (3), a wire take-up roller (6) is rotationally connected in the wire take-up box (5), one end of the wire take-up roller (6) far away from the flexible clamp body (1) penetrates through the side wall of the wire take-up box (5) outwards and is fixedly connected with a rotating handle (9), matched bearings are arranged at the connection position of the side wall of the wire take-up box (5) and the wire take-up roller (6), and, receive line box (5) and keep away from on one side lateral wall of binding clip (4) and be provided with through hole (11), receive on line roller (6) and wrapping post (7) jointly around being equipped with optic fibre line (8), the one end that receives line roller (6) is kept away from in optic fibre line (8) outwards runs through hole (11) fixedly connected with optic fibre head (12), fixed cover is equipped with retaining ring (13) on optic fibre line (8), the diameter of retaining ring (13) is greater than the diameter of through hole (11), and retaining ring (13) are located and receive between line box (5) lateral wall and optic fibre head (12).

2. The flexible current clamp with the take-up mechanism for detecting the electric loop is characterized in that a positioning bolt (10) is connected to the rotating handle (9) in a threaded mode, the positioning bolt (10) penetrates through the rotating handle (9) upwards, and a positioning hole matched with the positioning bolt (10) is fixedly formed in the lower side wall of the take-up box (5).

3. The flexible current clamp with the take-up mechanism for the detection of the electric loop is characterized in that the outer surface of the flexible clamp body (1) is wrapped with a layer of soft insulating rubber sheet with uniform thickness.

4. The flexible current clamp with the take-up mechanism for the detection of the electric loop is characterized in that the inner wall of the through hole (11) is smoothly polished, and the periphery of the take-up box (5) is rounded.

5. The flexible current clamp with a take-up mechanism for detecting an electric loop according to claim 1, wherein the position where the outer side wall of the take-up box (5) abuts against the retaining ring (13) is magnetic, and the magnetic of the retaining ring (13) is opposite to the magnetic of the position.

Images