CN218727746U

CN218727746U - Tool for positioning fault point of circuit disconnection

Info

Publication number: CN218727746U
Application number: CN202222934632.8U
Authority: CN
Inventors: 赵科; 徐昊南; 朱思译; 杨颖斓; 聂鸣; 张尧; 王秋影; 邓松; 李印阳; 吴宏星; 夏闻骏
Original assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Current assignee: Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to an electric power check out test set technical field specifically is circuit breaking fault point positioning tool, including the fault detection instrument, be connected with a pair of probe through the cable on the fault detection instrument, the probe includes body of a pen, centre gripping probe rod, pull rod and dials the cover, and the head endotheca of body of a pen is equipped with fixed probe rod, and the external fixation of body of a pen has solid fixed ring, gu fixed ring and dial and be provided with the spring that pushes away that is compression state between the cover. This circuit disconnection fault point positioning tool through the centre gripping probe rod that sets up with dial the cover for fixed probe rod and centre gripping probe rod can be tight with the detection electric shock clamp, thereby need not the state that testing personnel used the probe to keep contacting the detection contact always, make things convenient for testing personnel to operate fault detection instrument.

Description

Tool for positioning fault point of circuit disconnection

Technical Field

The utility model relates to a power detection equipment technical field specifically is circuit broken string fault point positioning tool.

Background

In a secondary control loop of a transformer substation, each branch can be connected with a plurality of normally open or normally closed contacts in series, when the contacts have problems, control function faults are caused, and the conventional maintenance generally judges whether the contacts are normal by using a universal meter to measure the potential of each point.

Patent CN207992275U discloses a novel universal meter for electric power detects, including bottom plate and universal meter body, be equipped with rotary switch, liquid crystal display, pilot lamp on the universal meter body, the instrument protective sheath has been cup jointed on the surface of universal meter body, and the spout has been seted up in the front of bottom plate. This patent is through pulling the backup pad, make backup pad and fixed axle rotate, the bottom plate is placed when the bottom surface, contact strip and anti-skidding gasket and ground contact, thereby avoid ground dust and dirt to get into the universal meter body, hang the ring through the setting, make the universal meter body can directly hang on the wall when using, thereby reached and avoided the universal meter to be infected with the effect of dust and dirt, realized need not to take the universal meter in hand and can prevent the target that the instrument was stained with, thereby it is more convenient to use.

When the instrument is used for fault detection of a line, two meter pens of the instrument are required to be respectively abutted against two sides of a contact of the line, so that the fault detection instrument can detect various circuit data of the line between the two contacts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a return circuit broken string fault point positioning tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

loop disconnection fault point positioning tool, including the fault detection instrument, be connected with a pair of probe pen through the cable on the fault detection instrument, probe pen including be insulating form a body, articulate the centre gripping probe rod of body head position department, articulate the terminal pull rod of centre gripping probe rod and cover are established the cover of dialling in the body outside, the head endotheca of body is equipped with fixed probe rod, the end of pull rod with it is articulated to dial the cover, the outside of body afterbody is fixed with solid fixed ring on the surface butt fusion, gu fixed ring with it pushes away the spring to be compression state to dial to be provided with between the cover, the centre gripping probe rod is paste under the normality and is leaned on the outside of fixed probe rod.

Preferably, the head of the fixed probe rod is of a semi-cylinder structure, the fixed probe rod is embedded in the pen body, and a cable connected with the probe pen is electrically connected with the tail end of the fixed probe rod.

Preferably, the outer side surface of the head of the pen body is integrally formed with a convex base, the outer side surface of the pen body is further provided with a movable groove, the convex base penetrates through the movable groove, and the pull rod is sleeved in the movable groove.

Preferably, when the clamping probe rod is attached to the fixed probe rod, the fixed probe rod and the clamping probe rod are integrally of a cylindrical structure, and a plurality of clamping grooves are formed in the surfaces, attached to each other, of the fixed probe rod and the clamping probe rod.

Preferably, the clamping probe rod is of a semi-cylinder structure, an end column is integrally formed at the tail end of the clamping probe rod, and the end column extends into the boss and is rotatably connected with the boss.

Preferably, a convex plate is integrally formed on the outer side surface of the tail end of the clamping probe rod, a convex shaft is inserted into the tail end of the convex plate, a hinge groove is formed in the head of the pull rod, the convex plate extends into the hinge groove, and the convex shaft is inserted into the groove wall of the hinge groove and is rotatably connected with the hinge groove.

Preferably, the tail end of the pull rod is integrally formed with a hinge plate, the tail end of the hinge plate is inserted with a sleeve shaft, a side groove is formed in the edge of the outer side of the head end of the shifting sleeve, the hinge plate extends into the side groove, and the hinge plate is inserted into the groove wall of the side groove and is rotatably connected with the shifting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

this circuit disconnection fault point positioning tool, through setting up at the centre gripping probe rod of body of a pen head and be provided with on the body of a pen and dial the cover, make when dialling the cover backward, dial the afterbody that the cover can drag the centre gripping probe rod through the pull rod, make the centre gripping probe rod take place to rotate at the head of body of a pen, thereby make centre gripping probe rod and fixed probe rod can form the contained angle including pressing from both sides the detection contact package, loosen at this moment and dial the cover and can make fixed probe rod and centre gripping probe rod will detect the electric shock and press from both sides tightly, thereby it keeps the state of contact detection contact to need not the probe that testing personnel uses always, make things convenient for testing personnel to operate the fault detection instrument.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a probing pen of the present invention;

FIG. 3 is an exploded view of the probing pen of the present invention;

FIG. 4 is a schematic structural view of the clamping probe of the present invention;

FIG. 5 is a schematic structural view of the middle pull rod of the present invention;

fig. 6 is a schematic structural view of the middle shift sleeve of the present invention.

The meaning of the individual reference symbols in the figures is:

1-fault detection instrumentation;

2-probing the pen; 21-pen body; 211-fixing the feeler lever; 212-boss; 213-a movable slot; 214-a fixed ring; 215-a push spring; 22-clamping the probe rod; 221-end post; 222-a convex plate; 2221-convex shaft; 223-clamping groove; 23-a pull rod; 231-hinge grooves; 232-a hinge plate; 233-sleeve shaft; 24-pulling the sleeve; 241-side groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 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.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a return circuit disconnection fault point positioning tool, including fault detection instrument 1, be connected with a pair of probe 2 through the cable on the fault detection instrument 1, when using fault detection instrument 1 measuring circuit trouble, can make fault detection instrument 1 detect the fault condition of circuit between these two detection contact on can supporting the head of pull rod probe 2 on two detection electric shocks respectively.

The utility model discloses in, the probe 2 is made and is the body of a pen 21 of insulating form, metal including using ABS plastics to make and articulate the centre gripping probe 22 of body of a pen 21 head position department, the cover of dialling in the body of a pen 21 outside is established at the terminal pull rod 23 of centre gripping probe 22 and the cover that uses insulating ABS plastics to make to establish that insulating ABS plastics is established to cover, under the effect of insulating ABS plastics, can prevent that the testing personnel from taking place the electric shock situation when gripping the probe 2.

Specifically, the head endotheca of body of a pen 21 is equipped with fixed probe 211, and fixed probe 211 is made for metal material, and the head of fixed probe 211 is the half-cylinder structure, and fixed probe 211 inlays and establishes in the inside of body of a pen 21, connects the cable of probing pen 2 and the tail end electric connection of fixed probe 211 for the head that will fix probe 211 supports and can make this detection contact and fault detection instrument 1 electric connection on detecting the contact.

Furthermore, a convex seat 212 is integrally formed on the outer side surface of the head of the pen body 21, a movable groove 213 is further formed on the outer side surface of the pen body 21, the convex seat 212 is penetrated through by the movable groove 213, the clamping probe 22 is of a semi-cylindrical structure, an end post 221 is integrally formed at the tail end of the clamping probe 22, and the end post 221 extends into the convex seat 212 and is rotatably connected with the convex seat 212, so that the clamping probe 22 can rotate in the convex seat 212, and the purpose of opening or closing the fixing probe 211 and the clamping probe 22 is achieved;

when centre gripping probe rod 22 leaned on together with fixed probe rod 211, fixed probe rod 211 wholly was the cylinder structure with centre gripping probe rod 22, made the whole cylinder structure that forms can normally be used for the contact detection contact, when centre gripping probe rod 22 kept away from fixed probe rod 211, centre gripping probe rod 22 can form the contained angle with fixed probe rod 211 to can be with including detecting the contact package clamp.

In addition, a convex plate 222 is integrally formed on the outer side surface of the tail end of the clamping probe 22, a convex shaft 2221 is inserted into the tail end of the convex plate 222, a hinge groove 231 is formed at the head of the pull rod 23, the convex plate 222 extends into the hinge groove 231, and the convex shaft 2221 is inserted into the groove wall of the hinge groove 231 and is rotatably connected with the hinge groove 231, so that the clamping probe 22 is hinged to the pull rod 23 through the convex shaft 2221.

It should be noted that the pull rod 23 is sleeved in the movable groove 213, the outer side surface of the tail of the pen body 21 is fixedly welded with the fixing ring 214, the tail end of the pull rod 23 is integrally formed with the hinge plate 232, the tail end of the hinge plate 232 is inserted with the sleeve shaft 233, the outer side edge of the head end of the dial sleeve 24 is provided with the side groove 241, the hinge plate 232 extends into the side groove 241, the hinge plate 232 is inserted into the groove wall of the side groove 241 and rotatably connected with the dial sleeve 24, so that the pull rod 23 is hinged with the dial sleeve 24 through the sleeve shaft 233, when a tester dials the dial sleeve 24 to move towards the head of the pen body 21, the dial sleeve 24 pushes the clamping probe 22 through the pull rod 23, and at this time, the clamping probe 22 is tightly attached to the fixing probe 211, so that the probe 2 can normally butt against a test contact; when the pulling sleeve 24 is pulled towards the tail of the pen body 21, the pulling sleeve 24 pulls the clamping probe 22 backwards through the pulling rod 23, so that the clamping probe 22 rotates around the end post 221 and is far away from the fixed probe 211, and at the moment, the clamping probe 22 is in an open state.

In the above solution, a pushing spring 215 in a compressed state is disposed between the fixing ring 214 and the dial sleeve 24, the clamping probe 22 normally abuts against the outer side of the fixing probe 211, so that the pushing spring 215 always pushes the whole dial sleeve 24 without external force, and the dial sleeve 24 always pushes the clamping probe 22 through the pull rod 23, so that the clamping probe 22 keeps in a state of abutting against the fixing probe 211, and when the dial sleeve 24 is pushed backward to open the clamping probe 22, the dial sleeve 24 is released, so that the dial sleeve 24 pushes the clamping probe 22 and the fixing probe 211 under the elastic force of the pushing spring 215 to clamp the detection contact, and the hand of the detection person is separated from the detection pen 2, so that the detection person can still electrically connect the detection contact with the detection pen 2, and operate the fault detection instrument 1 when the detection person is separated from the holding probe 2.

Specifically, a plurality of clamping grooves 223 are formed in the surfaces of the fixed probe rod 211 and the clamping probe rod 22, which are attached to each other, so that the fixed probe rod 211 and the clamping probe rod 22 clamp the detection contact tightly, and the probe pen 2 is prevented from being separated from the detection contact. Meanwhile, the detection contact at the deep position can be detected by using the probe 2, so that the phenomenon of electric shock caused by the fact that a detection person touches a side circuit when a short clamp is used for detection can be avoided.

Furthermore, the utility model discloses in the fault detection instrument 1 that involves be current conventional technology, no longer give unnecessary details in this novel.

When the circuit breaking fault point positioning tool of the embodiment is used, firstly, a tester holds the stylus 2 and makes the head of the stylus 2 approach to a position of a test contact to be tested, then the tester holds the pen body 21 and simultaneously stirs the dial sleeve 24 backwards to make the dial sleeve 24 compress the pushing spring 215, at this time, the dial sleeve 24 pulls the clamping probe 22 backwards through the pull rod 23, so that the clamping probe 22 rotates around the end column 221 and is far away from the fixed probe 211, at this time, the clamping probe 22 is in an open state, finally, the clamping probe 22 in the open state is close to the test contact, and the test contact is clamped between the fixed probe 211 and the clamping probe 22, at this time, the dial sleeve 24 is released to make the pushing spring 215 push the dial sleeve 24, so that the dial sleeve 24 pushes the clamping probe 22 through the pull rod 23, so that the clamping probe 22 approaches to the fixed probe 211, and the purpose of clamping the test contact is achieved, and after the fixed probe 211 and the clamping probe 22 clamp the test contact tightly, the tester can release the test contact 2 by hand, so as to perform various fault test instruments 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Circuit disconnection fault point positioning tool, including fault detection instrument (1), be connected with a pair of probe pen (2), its characterized in that through the cable on fault detection instrument (1): probe (2) including the body of a pen (21) that is insulating form, articulate centre gripping probe rod (22), the hinge of body of a pen (21) head position department establish centre gripping probe rod (23) and cover of centre gripping probe rod (22) end are established the cover (24) of dialling in the body of a pen (21) outside, the head endotheca of body of a pen (21) is equipped with fixed probe rod (211), the end of pull rod (23) with it is articulated to dial cover (24), the outside of body of a pen (21) afterbody is fixed with solid fixed ring (214) on the surface butt fusion, gu fixed ring (214) with it pushes away crowded spring (215) that is compression state to dial to be provided with between cover (24), centre gripping probe rod (22) paste under the normality and lean on the outside of fixed probe rod (211).

2. The circuit breaking fault point locating tool of claim 1, wherein: the head of fixed probe rod (211) is the half cylinder structure, fixed probe rod (211) inlays and establishes the inside of body of a brush (21), connect the cable of probe (2) with the tail end electric connection of fixed probe rod (211).

3. The circuit breaking fault point locating tool of claim 1, wherein: the pen is characterized in that a convex base (212) is integrally formed on the outer side surface of the head of the pen body (21), a movable groove (213) is further formed in the outer side surface of the pen body (21), the convex base (212) penetrates through the movable groove (213), and the pull rod (23) is sleeved in the movable groove (213).

4. The circuit breaking fault point locating tool of claim 1, wherein: when centre gripping probe rod (22) with fixed probe rod (211) paste and lean on together, fixed probe rod (211) with centre gripping probe rod (22) are whole to be the cylinder structure, fixed probe rod (211) with all seted up a plurality of clamp grooves (223) on the last laminating surface of centre gripping probe rod (22).

5. The circuit breaking fault point locating tool of claim 3, wherein: centre gripping probe rod (22) are the half cylinder structure, the tail end integrated into one piece of centre gripping probe rod (22) has end post (221), end post (221) stretch into in boss (212) and with boss (212) rotate and are connected.

6. The circuit breaking fault point locating tool of claim 1, wherein: the outer side surface of the tail end of the clamping probe rod (22) is integrally formed with a convex plate (222), the tail end of the convex plate (222) is inserted with a convex shaft (2221), the head of the pull rod (23) is provided with a hinge groove (231), the convex plate (222) extends into the hinge groove (231), and the convex shaft (2221) is inserted into the groove wall of the hinge groove (231) and is rotationally connected with the hinge groove (231).

7. The circuit breaking fault point locating tool of claim 1, wherein: the tail end of the pull rod (23) is integrally formed with a hinge plate (232), the tail end of the hinge plate (232) is inserted with a sleeve shaft (233), a side groove (241) is formed in the edge of the outer side of the head end of the shifting sleeve (24), the hinge plate (232) extends into the side groove (241), and the hinge plate (232) is inserted into the groove wall of the side groove (241) and is rotatably connected with the shifting sleeve (24).