CN106771903B

CN106771903B - Insulation detection device

Info

Publication number: CN106771903B
Application number: CN201611080423.4A
Authority: CN
Inventors: 林晓东; 马刚; 李政
Original assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2019-06-07
Anticipated expiration: 2036-11-30
Also published as: CN106771903A

Abstract

The invention discloses a kind of insulation detection devices, belong to power equipment maintaining detection device technical field.The present invention includes megameter and testing agency；Testing agency includes rack, lead screw, screw, detector and two brackets for support electroscope；Bracket is fixed on the both ends of rack；Lead screw connect with rack and with screw threaded engagement；Detector is connect with screw, and detector, screw are translated with the rotation of lead screw；Detector includes detection plate and two detection rings, and the detection plate of detector is connected with screw；Detection plate is made of isolation material；Detecting ring is the ring structure being adapted to electroscope insulating bar, and is made of conductive material；Two detection rings are fixed in detection plate side by side, and two detection rings are connected with two working ends of megameter respectively；The shaft of the rocking handle of megameter is connected with the input shaft of testing agency's lead screw.The configuration of the present invention is simple, it is easy to operate, it is able to achieve the insulating properties detection for only needing operator's operation just to complete to electroscope insulating bar.

Description

Insulation detection device

Technical field

The invention belongs to power equipment maintaining detection device technical fields, and in particular to a kind of insulation detection device.

Background technique

With the adjustment of grid operation mode, the time of line maintenance is changed to have a power failure for 6 years, line live-line work Number increases therewith, frequently uses electroscope.

The insulating properties of electroscope insulating bar must be detected before using electroscope, it is exhausted to electroscope in the prior art It is generally used when the insulating properties of edge bar is detected megameter (i.e. megger), use process one human hand held electroscope of needs, second Two wiring working ends of human hand held megameter make it be connected with electroscope insulating bar, and the rocking handle of the hand megameter of the third party is this Detection process is cumbersome and time consuming, brings great inconvenience to the insulating properties work of detection electroscope insulating bar.

Summary of the invention

The purpose of the present invention is to provide a kind of insulation detection devices, it is intended to solve the prior art to electroscope insulating bar Insulating properties detection when need 3 people operation and time-consuming and laborious problem simultaneously.

To achieve the above object, the technical solution used in the present invention is: insulation detection device, including megameter and detection Mechanism；The testing agency includes rack, lead screw, screw, detector and two brackets for support electroscope；The bracket It is fixed on the both ends of rack；The lead screw connect with the rack and with screw threaded engagement；The detector is connect with screw, The detector, screw are translated with the rotation of the lead screw；The detector includes detection plate and two detection rings, described The detection plate of detector is connected with the screw；The detection plate is made of isolation material；The detection ring is exhausted with electroscope The ring structure of edge bar adaptation, and be made of conductive material；Two detection rings are fixed in detection plate side by side, and two Detection ring is connected with two working ends of megameter respectively；The shaft of the rocking handle of the megameter is defeated with testing agency's lead screw Enter axis to be connected.

Further, the testing agency further includes the sliding rail that the bracket can be allowed to slide；The sliding rail and the rack It is fixedly connected, the section of the sliding rail is " convex " type, and the bracket is equipped with the groove matched with sliding rail section " convex " type.

Further, the sliding rail is equipped with the gap that detector can be made to pass through.

Further, the detector further includes the adjustment ring of two arcs, and the adjustment ring is set to inside detection ring, and It is connect by adjusting screw with detection ring.

Further, clutch is equipped between the shaft of the rocking handle of the megameter and the input shaft of the lead screw.

Further, the testing agency, which is additionally provided with, translates the feed rod playing the guiding role to the screw, and the feed rod passes through It is connected after wearing the screw with the rack；The feed rod and the lead screw are axially parallel.

The beneficial effects of adopting the technical scheme are that

The configuration of the present invention is simple, easy to operate, being able to achieve only needs operator's operation just to complete to electroscope insulating bar Insulating properties detection；The setting of sliding rail and adjustment ring enables the invention to the electroscope suitable for different length and diameter The insulating properties detection of insulating bar；Clutch enables the invention to the input shaft and rocking handle that make lead screw when maintenance conditions Shaft separation；Axially parallel feed rod can translate screw and play the guiding role with lead screw, move verifier more stably.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention.

Fig. 2 is the structural schematic diagram of detector in Fig. 1.

Fig. 3 is the right view of Fig. 2.

Fig. 4 is the structural schematic diagram of sliding rail and bracket portion in Fig. 1.

In figure: 1, megameter；11, rocking handle；2, testing agency；21, lead screw；211, input shaft；22, screw；23, bracket； 24, detector；241, detection plate；242, ring is detected；2421, facade；243, adjustment ring；244, screw is adjusted；25, sliding rail； 251, gap；26, feed rod；27, rack；3, electroscope.

Specific embodiment

In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.

For sake of convenience, hereinafter so-called " preceding " " rear " " left side " " right side " "upper" "lower" and attached drawing itself it is forward and backward, left, The right side, upper and lower direction are consistent, but do not play restriction effect to structure of the invention.

It please refers to Fig.1 to Fig.3, now insulation detection device provided by the invention is illustrated.Insulation detection device, including Megameter 1 and testing agency 2.

Testing agency 2 includes rack 27, lead screw 21, screw 22, detector 24 and two brackets for support electroscope 3 23.Rack 27 is at opening groove profile, and two brackets 23 are separately fixed at the both ends of rack 27, and bracket 23 is equipped with for top and electroscope 3 compatible semicircle or long semicircular indentations, which can be with support electroscope 3.The lead screw 21 passes through bearing combination etc. Common form is connect with rack 27, is connected with detector 24 with 22 top of screw of 21 threaded engagement of lead screw, and detector 24 can be with Using bonding, the common connection type such as tight fit, threaded engagement is connect with screw 22.Detector 24 and screw 22 can together with The rotation of lead screw 21 and translating.

Detector 24 includes detection plate 241 and two detection rings 242, and detector 24 passes through detection plate 241 and 22 phase of screw Even.The detection plate 241 is made of isolation material to guarantee to insulate between two detection rings 242, and such isolation material can be Common bakelite, resin, rubber etc. on the market, it is preferred that the present embodiment uses material of the insulating resin as detection plate 241. Detecting ring 242 is the ring structure being adapted to 3 insulating bar of electroscope, and is made of conductive material, this conductive material can be city Common copper, silver, stainless steel etc. on face, it is preferred that material of the present embodiment using copper as detection ring 242 detects 242 ring of ring The inner ring size of shape structure is preferably with the outer diameter of 3 insulating bar of electroscope at tight fit or excessively cooperation, to guarantee to detect ring 242 Most anchor rings of contact 3 insulating bar of electroscope can be covered.The ring structure of detection ring 242 also extends downwardly out parallel two A facade 2421 is fixedly connected using the facade 2421 that bolt and nut can will test ring 242 with detection plate 241.Two detection rings 242 be fixed on side by side detection plate 241 form a detector 24, two detection rings 242 respectively with two activating terminals of megameter 1 It is connected.Generally, a detection ring 242 is connected by conducting wire with the end " L " of megameter 1, another detection ring 242 passes through conducting wire It is connected with the end " E " of megameter 1, can so carries out insulating properties to the part that 3 insulating bar of electroscope detects between ring 242 at two It can detection.

The megameter 1 of the present embodiment is tampered megameter 1, specifically: the shaft of rocking handle 11 and the testing agency 2 The input shaft 211 of lead screw 21 is connected, i.e. the power source of also making lead screw 21 of rocking handle 11.And the screw pitch of lead screw 21, screw 22 also answers root It is set according to the revolving speed of rocking handle 11 when 1 normal use of megameter, guarantees to shake rocking handle 11 screw 22 when working normally megameter 1 Movement speed will not be too fast.When operation, 3 insulating bar of electroscope is first passed through to the detection ring 242 of detector 24, and by electroscope 3 are placed on bracket 23, then manually shake the rocking handle 11 of megameter 1, while detector 24 is also from one end of 3 insulating bar of electroscope It is moved to the other end, i.e., the insulation performance of 3 insulating bar of electroscope is detected, the insulation performance of 3 insulating bar of electroscope is detected It is whether qualified, then compared with the judgment criteria phase for manually shaking test 3 insulating bar insulating properties of electric appliance in technology using common megameter Together.Structure of the embodiment of the present invention is simple, and whole operation process only needs a people, simple and quick, time saving compared with the prior art It is laborsaving.

Further, the testing agency 2 further includes energy sliding rail 25, and bracket 23 can move back and forth on sliding rail 25 with suitable The electroscope 3 of different length is answered to carry out Insulation monitoring on the present embodiment.Sliding rail 25 is fixed in rack 27, the section of sliding rail 25 For " convex " type, bracket 23 is equipped with the groove matched with 25 section of sliding rail " convex " type.Optionally, it can be avoided for realization detector 24 It can also directly socket-connect with electroscope 3 after sliding rail 25, the groove of " convex " type or bracket 23 that can make sliding rail 25 is made into bias Form, then so that the detection plate 241 of detector 24 is made into curve form to avoid sliding rail 25.

Further, the sliding rail 25 is equipped with the gap 251 that detector 24 can be made to pass through, this structure can guarantee detector 24 It socket with electroscope 3 and is not interfered with sliding rail 25.

Further, the detector 24 further includes the adjustment ring 243 of two arcs, and the adjustment ring 243 is set to detection It inside ring 242, and is connect with adjustment screw 244, adjustment screw 244 is connect by screw thread with detection ring 242.Adjustment ring 243 is The preferably soft aluminium of electric conductivity or copper foil, to be preferably bonded 3 insulating bar of electroscope, this structure, which can guarantee, is adjusting adjustment spiral shell The case where silk 244, the detector 24 of the present embodiment is made to can be suitably used for 3 insulating bar of electroscope of different outer dimension sizes.

Further, clutch is equipped between the shaft of the rocking handle 11 of the megameter 1 and the input shaft 211 of the lead screw 21 Device.Megameter 1 does not need testing agency 2 generally in the independent rocking handle 11 for detecting, shaking megameter 1 sometimes for detection Screw 22 is mobile, Gu setpoint clutch is in case the shaft of rocking handle 11 and the input shaft 211 of the lead screw 21 can divide when needed From.

Further, the testing agency 2, which is additionally provided with, translates the feed rod 26 playing the guiding role, the light to the screw 22 Thick stick 26 is connected after running through the screw 22 with the rack 27；The feed rod 26 and the lead screw 21 are parallel in the axial direction.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims

1. An insulation detection device, comprising a megohmmeter (1) and a detection mechanism (2), characterized in that:

The detection mechanism (2) comprises a frame (27), a lead screw (21), a nut (22), a detector (24) and two brackets (23) for supporting the electroscope (3); The bracket (23) is fixed on both ends of the frame (27); the lead screw (21) is connected with the frame (27) and screwed with the screw nut (22); the detector (24) ) is connected with a nut (22), and the detector (24) and the nut (22) translate with the rotation of the lead screw (21);

The detector (24) includes a detection board (241) and two detection rings (242), and the detection board (241) of the detector (24) is connected to the silk mother (22); the detection board ( 241) is composed of insulating material; the detection ring (242) is a ring structure adapted to the insulating rod of the electroscope (3), and is composed of a conductive material; the two detection rings (242) are fixed side by side on the detection board (241), the two detection rings (242) are respectively connected with the two working ends of the megohmmeter (1);

The rotating shaft of the crank handle (11) of the megohmmeter (1) is connected with the input shaft (211) of the lead screw (21) of the detection mechanism (2).

2 . The insulation detection device according to claim 1 , wherein the detection mechanism ( 2 ) further comprises a slide rail ( 25 ) that allows the bracket ( 23 ) to slide; the slide rail ( 25 ) Fixed connection with the frame (27), the slide rail (25) has a "convex" section, and the bracket (23) is provided with a concave that matches the "convex" section of the slide rail (25). groove.

3 . The insulation detection device according to claim 2 , wherein the slide rail ( 25 ) is provided with a gap ( 251 ) through which the detector ( 24 ) can pass. 4 .

4 . The insulation detection device according to claim 1 , wherein the detector ( 24 ) further comprises two arc-shaped adjustment rings ( 243 ), and the adjustment rings ( 243 ) are arranged on the detection ring ( 242 ). 5 . ) inside and connected to the detection ring (242) by adjusting the screw (244).

5. The insulation detection device according to claim 1, characterized in that: between the rotating shaft of the crank (11) of the megohmmeter (1) and the input shaft (211) of the lead screw (21) There is a clutch.

6 . The insulation detection device according to claim 1 , wherein the detection mechanism ( 2 ) is further provided with a light bar ( 26 ) that guides the translation of the screw nut ( 22 ), and the light bar (26) is connected to the frame (27) after passing through the screw nut (22); the smooth rod (26) is axially parallel to the screw rod (21).