CN210347911U

CN210347911U - Test wire clamp fixing auxiliary device

Info

Publication number: CN210347911U
Application number: CN201921284015.XU
Authority: CN
Inventors: 张伟杰
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-17
Anticipated expiration: 2029-08-09

Abstract

The embodiment of the utility model discloses a test wire clamp fixing auxiliary device, which comprises a clamping piece with an arc opening, wherein the clamping piece is clamped outside an electric energy meter screw through the arc opening, the clamping piece is connected with an extension piece convenient for clamping the test wire clamp, a movable insulating sleeve is sleeved on the extension piece, and one end of the insulating sleeve, which is close to the electric energy meter, is connected with a fixing piece for fixing the clamping piece; the utility model discloses at first utilize joint spare card in the outside of electric energy meter screw, remove the nut department that insulating cover drove the mounting and promoted and press from both sides tight electric energy meter screw again, joint spare is connected with the extension piece that the test wire clamp of being convenient for is fixed, through the contactable area that sets up the increase test wire clamp of extension piece, can prevent effectively that the fastener from droing.

Description

Test wire clamp fixing auxiliary device

Technical Field

The utility model relates to an electric energy meter current voltage phase measuring equipment technical field especially relates to a fixed auxiliary device of test wire clamp.

Background

The phase volt-ampere meter is a portable meter with various electricity measuring functions. The meter has the advantages that the phase and power frequency between two paths of voltage, two paths of current and between voltage and current can be measured, and the meter has the characteristics of high precision, high stability, low power consumption, convenience in use and the like. The method can directly measure alternating voltage and alternating current under the condition that a measured loop is not opened, measure the phase between two voltages, between two currents and between voltage and current, indirectly measure the power factor and power of the circuit, judge three-phase sequence, transformer wiring group, inductive and capacitive circuits, test a secondary loop and a bus differential protection system, read out the phase relationship between CT groups of differential protection, check whether the wiring of a watt-hour meter is correct or not, and overhaul line equipment and the like.

Carry out current-voltage phase measurement to the electric energy meter, need press from both sides the test wire clamp of phase volt-ampere meter on the screw of electric energy meter, because the screw size is limited, can press from both sides the position and slightly littleer, the operation personnel need try many times when carrying out measurement work just can press from both sides steadily, press from both sides the line and take place to drop even in the measurement process, press from both sides zero line department fastener and take place to drop if the measurement process, can have certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses test wire clamp fixes auxiliary device fixes and to press from both sides screw department and enlarge the fastener through extending the piece and can press from both sides the position at the electric energy meter through joint spare to solve the problem that test wire clamp drops easily among the prior art.

The embodiment of the utility model provides a fixed auxiliary device of test wire clamp, including having an arc open-ended joint spare, the joint spare passes through arc opening joint in the outside of electric energy meter screw, the joint spare is connected with the extension piece of being convenient for test wire clamp splice, the cover is equipped with mobilizable insulating cover on the extension piece, just the one end that insulating cover is close to the electric energy meter is connected with the mounting that is used for fixed joint spare.

As a preferred scheme of the utility model, the mounting includes horizontal connection at the connection piece of insulating cover one end and connects the stationary blade at connection piece tip and perpendicular to connection piece, the bottom of stationary blade is connected with and is used for the lid to close the arc open-ended lid of joint spare and close the piece.

Optionally, the joint spare is located arc open-ended both ends and is provided with the slot, the both ends of stationary blade are connected with slot assorted plug connector.

Optionally, an opening is formed in the upper surface of the insulating sleeve, and a movement stopping block is connected to the inside of the opening through a torsion spring.

Optionally, the upper surface of the extension piece is provided with a plurality of recessed areas convenient for clamping and connecting the test wire clamp.

According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:

the utility model discloses at first utilize joint spare card in the outside of electric energy meter screw, remove the nut department that insulating cover drove the mounting and promoted and press from both sides tight electric energy meter screw again, joint spare is connected with the extension piece that the test wire clamp of being convenient for is fixed, through the contactable area that sets up the increase test wire clamp of extension piece, prevents that the fastener from droing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of an embodiment of the test wire clamp fixing auxiliary device provided by the present invention;

FIG. 2 is a perspective view of a clamp member of the test line clip retention aid of FIG. 1;

FIG. 3 is a perspective view of a fixing piece of the auxiliary device for fixing the test wire clamp shown in FIG. 1;

fig. 4 is a top view of an insulating sleeve in the test wire clamp securing aid of fig. 1.

In the figure:

1-a clamping piece; 2-an extension; 3-an insulating sleeve; 4-a fixing piece;

101-arc opening; 102-a slot;

201-a recessed region;

301-opening; 302-a torsion spring; 303-stop block;

401-connecting piece; 402-a fixing sheet; 403-cover sheet; 404-plug connector.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the utility model provides a fixed auxiliary device of test wire clamp, including joint spare 1 that has an arc opening 101, joint spare 1 is in the outside of electric energy meter screw through arc opening 101 joint, joint spare 1 is connected with the extension 2 of being convenient for test wire clamp splice, the cover is equipped with mobilizable insulating cover 3 on extension 2, just the one end that insulating cover 3 is close to the electric energy meter is connected with mounting 4 that is used for fixed joint spare 1.

The utility model discloses a 1 joint of joint spare is in electric energy meter screw department to utilize extension 2 to enlarge the clamp connection area of test wire clamp, the test wire clamp directly splices in the extension, 2 alright carry out measuring work.

Further, as shown in fig. 3, the fixing member 4 includes a connecting piece 401 horizontally connected to one end of the insulating sleeve 3 and a fixing piece 402 connected to an end of the connecting piece 401 and perpendicular to the connecting piece 401, and a covering piece 403 for covering the arc-shaped opening 101 of the clamping member 1 is connected to a bottom end of the fixing piece 402.

The two ends of the clamping piece 1, which are located at the arc-shaped opening 101, are provided with slots 102, and the two ends of the fixing piece 402 are connected with plug connectors 404 matched with the slots 102.

As shown in fig. 4, an opening 301 is formed in the upper surface of the insulating sleeve 3, a stop block 303 is connected to the inside of the opening 301 through a torsion spring 302, the torsion spring 302 and the stop block 303 cooperate to form a structure similar to a spring clip, the stop block 303 is inclined under normal conditions, the lower end presses the extension member 2 to form a movement block, when the insulating sleeve 3 needs to be moved, the upper end of the stop block 303 is pressed down, the lower end tilts to release the locking state of the insulating sleeve 3, and the insulating sleeve 3 can move along the extension member.

The utility model discloses the in-service use process does: firstly, the arc-shaped opening 101 of the clamping piece 1 is clamped outside an electric energy meter screw, then the upper end of the movement stopping block 303 is pressed downwards to remove the locking state of the insulating sleeve 3, the insulating sleeve 3 is pushed by hand until the plug connectors 404 at the two ends of the fixing piece 402 are inserted into the slots 102 at the two ends of the clamping piece 1, meanwhile, the cover closing piece 403 at the lower end of the fixing piece 402 covers the arc-shaped opening 101 at the lower end of the clamping piece 1, therefore, the fixing of the clamping piece 1 and the electric energy meter screw is completed, and the test wire clamp can be directly clamped on the extension piece 2 to perform measurement function work.

In addition, in order to test the clamping of the wire clamp and improve the clamping stability of the wire clamp and the extension piece 2, a plurality of depressed areas 201 convenient for testing the clamping of the wire clamp are formed in the upper surface of the extension piece 2, so that the clamping points of the wire clamp are concentrated in the depressed areas 201 and are not easy to fall off.

It is right above the utility model provides a fixed auxiliary device of test wire clamp has introduced in detail, to the general technical personnel in this field, the foundation the utility model discloses the thought, all have the change part on concrete implementation mode and application scope, to sum up, this specification content should not be understood as right the utility model discloses a restriction.

Claims

1. The utility model provides a fixed auxiliary device of test wire clamp, its characterized in that, including joint spare (1) that has an arc opening (101), joint spare (1) is through arc opening (101) joint in the outside of electric energy meter screw, joint spare (1) is connected with extension (2) of being convenient for test wire clamp splice, the cover is equipped with mobilizable insulating cover (3) on extension (2), just insulating cover (3) are connected with mounting (4) that are used for fixed joint spare (1) near the one end of electric energy meter.

2. The test wire clamp fixing auxiliary device is characterized in that the fixing piece (4) comprises a connecting piece (401) horizontally connected to one end of the insulating sleeve (3) and a fixing piece (402) connected to the end of the connecting piece (401) and perpendicular to the connecting piece (401), and the bottom end of the fixing piece (402) is connected with a covering piece (403) used for covering the arc-shaped opening (101) of the clamping piece (1).

3. The auxiliary fixing device for the test wire clamp is characterized in that slots (102) are formed in two ends, located at the arc-shaped opening (101), of the clamping piece (1), and plug connectors (404) matched with the slots (102) are connected to two ends of the fixing piece (402).

4. The test wire clamp fixing auxiliary device is characterized in that an opening (301) is formed in the upper surface of the insulating sleeve (3), and a stop block (303) is connected to the inside of the opening (301) through a torsion spring (302).

5. A test wire clamp fixing auxiliary device according to claim 1, characterized in that the upper surface of the extension piece (2) is provided with a plurality of recessed areas (201) for facilitating the clamping of the test wire clamp.