CN107677871B - Adjustable clamp type ammeter with display - Google Patents
Adjustable clamp type ammeter with display Download PDFInfo
- Publication number
- CN107677871B CN107677871B CN201710563184.6A CN201710563184A CN107677871B CN 107677871 B CN107677871 B CN 107677871B CN 201710563184 A CN201710563184 A CN 201710563184A CN 107677871 B CN107677871 B CN 107677871B
- Authority
- CN
- China
- Prior art keywords
- rod
- handle
- pulley
- display
- ammeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Clamps And Clips (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to a clamp-on ammeter, in particular to an adjustable clamp-on ammeter with a display. Including chuck and branch, the chuck includes left clamp tooth, right clamp tooth, ampere meter and clamping shaft, branch includes fixing device, telescoping device, a display screen, the cable and the body of rod, fixing device includes baffle and gangbar, baffle one end and right clamp tooth are connected, the gangbar middle part is articulated with the baffle other end, gangbar one end is connected with stay cord one end, the gangbar other end and left clamp tooth lean on to connect, telescoping device sets up on the body of rod, it is terminal at the body of rod to shake hands, the display screen sets up on the body of rod, the ampere meter links to each other with the display, it includes the pivot to shake hands, handle and pulley, handle one end is articulated with the body of rod, the pivot sets up in handle one end and body of rod articulated department, the pulley sets up on the handle, the pulley is walked around to. The invention has the advantages of more visual and reliable indication effect, simple and convenient use, adjustable length and the like.
Description
Technical Field
The invention relates to a clamp-on ammeter, in particular to an adjustable clamp-on ammeter with a display.
Background
With the increasing development of smart power grids, the total protection leakage tripping rate of a transformer area is an important index of the smart power grids, and meanwhile, effective and rapid leakage current detection means is lacked in the real power grids, so that the total leakage protection device can be tripped due to leakage current, property loss is caused by power interruption, and troubleshooting is time-consuming, labor-consuming and cost-consuming.
The traditional design does not provide a transmission mode of a clamp-on ammeter, the clamp-on ammeter is generally operated in a simple pull rope mode, for example, a clamp-on ammeter disclosed by CN 106018923A in 2016, 10, 12 and comprises a clamp body, an insulating rod, a connecting plate, a pull rope, a fixed clamp and a movable clamp, wherein the fixed clamp and the movable clamp are respectively and fixedly connected with two feet of the clamp body, the fixed clamp is fixed on the connecting plate, the movable clamp is connected with the pull rope, the insulating rod is also fixed on the connecting plate, and only a simple scheme of the pull rope is provided.
Disclosure of Invention
The invention mainly aims to solve the problems and provides the adjustable clamp ammeter with the display, which can ensure that the indicating effect is more visual and reliable, the use is simple and convenient, and the length can be adjusted.
The purpose of the invention is mainly realized by the following scheme: an adjustable clamp-type ammeter with a display comprises a chuck and a support rod, wherein the chuck comprises a left clamping tooth, a right clamping tooth, an ammeter and a clamping shaft, the clamp is arranged between the left clamping tooth and the right clamping tooth, the support rod comprises a fixing device, a telescopic device, a display screen, a handle, an inhaul cable and a rod body, the fixing device is arranged at the top end of the rod body, the fixing device comprises a baffle and a linkage rod, one end of the baffle is connected with the right clamping tooth, the middle part of the linkage rod is hinged with the other end of the baffle, one end of the linkage rod is connected with one end of the inhaul cable, the other end of the linkage rod is connected with the left clamping tooth in an leaning manner, the telescopic device is arranged on the rod body, the handle is arranged at the tail end of the rod body, the display screen is arranged on the rod body, the ammeter is connected with the display, the handle comprises a rotating shaft, a handle and a, handle one end and the body of rod articulated, the pivot setting in handle one end and the articulated department of the body of rod, the pulley setting on the handle, the cable walk around the pulley, the cable other end set up in the pivot. When in use, the telescopic device is used for adjusting the device to a proper length and lifting the whole device. The handle is pulled by hand to do circular motion around the rotating shaft, at the moment, the pulley on the handle also does circular motion around the rotating shaft, the pulley drives the inhaul cable, the inhaul cable drives one end of the linkage rod, and under the action of the lever principle, the other end of the linkage rod drives the left clamping tooth to open the chuck. And (4) bringing the cable to be measured into the chuck, loosening the handle, loosening the inhaul cable, closing the chuck again, and starting to measure the current amount of the cable to be measured. And the ammeter transmits the measured data to the display screen to complete the measurement and feedback of the cable current. After the measurement is completed, the device is detached from the cable by repeating the pulling-releasing operation of the handle.
Preferably, the chuck further comprises an electric leakage detection device, the electric leakage detection device is arranged on the chuck, and the electric leakage detection device comprises a detection device and a signal lamp. If the phenomenon of electric leakage exists in the tested cable, the electric leakage detection device can play a role in warning, and the signal lamp can send warning signals with different intensities according to the current intensity of the electric leakage.
Preferably, the support rod further comprises a lighting device, and the lighting device is arranged at the top end of the rod body. The lighting device can apply light to the operation area near the chuck, so that the current can be conveniently measured when the light is insufficient.
Preferably, the support rod further comprises a steering device, and the steering device is arranged on the rod body. The steering device can make the invention more flexible when in use.
Preferably, the handle further comprises an adjusting block and an adjusting groove, the adjusting block is arranged on the pulley, and the adjusting groove is arranged on the handle and matched with the pulley. When the multifunctional electric hand-held tool is used, the positions of the pulley and the adjusting groove can be selected according to the size of the cable and the capability of an operator, and the closer the pulley is to the tail end of the handle, the larger the force required for pulling the handle is.
Preferably, a guard plate is further arranged on the rod body. The guard plate can enable the inhaul cable to move along the rod body.
Preferably, one end of the guard plate is also provided with a stopper. The stopper can completely cut off the friction between cable and the backplate, increases the durability of cable.
Preferably, the pulley and the limiter are both provided with grooves. The grooves on the pulley and the limiting stopper can prevent the inhaul cable from moving left and right to be separated from the action range of the pulley and the limiting stopper.
Therefore, the adjustable clamp ammeter with the display has the following advantages: the design of the chuck, the telescopic supporting rod and the handle completes the measurement of the cable current. The design of the rotating shaft, the pulley and the inhaul cable gets rid of the mode of directly pulling the inhaul cable by hand, and the safety and the effectiveness are realized. The leakage detection device improves its safety. The design of the adjusting block and the adjusting groove can adjust the force required for pulling the same length of the inhaul cable according to the position of the adjusting block. The guard plate can enable the inhaul cable to move along the rod body. The stopper can completely cut off the friction between cable and the backplate, increases the durability of cable. The grooves on the pulley and the limiting stopper can prevent the inhaul cable from moving left and right to be separated from the action range of the pulley and the limiting stopper.
Drawings
FIG. 1 is a schematic structural view of the present invention;
illustration of the drawings: 1-right clamping teeth, 2-left clamping teeth, 3-clamping shafts, 4-baffles, 5-linkage rods, 6-guard plates, 7-lighting devices, 8-steering devices, 9-display screens, 10-limiters, 11-inhaul cables, 12-adjusting blocks, 13-adjusting grooves, 14-pulleys, 15-rotating shafts, 16-handles, 17-rod bodies, 18-electric leakage detection devices and 19-telescopic devices.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: an adjustable clamp-type ammeter with a display comprises a chuck and a support rod, wherein the chuck comprises a left clamping tooth 2, a right clamping tooth 1, an electric leakage detection device 18, an ammeter and a clamping shaft 3, the clamp is arranged between the left clamping tooth 2 and the right clamping tooth 1, the support rod comprises a fixing device, a telescopic device 19, a steering device 8, a lighting device 7, a display screen 9, an inhaul cable 11, a handle and a rod body 17, the steering device 8 is arranged on the rod body 17, the fixing device is arranged at the top end of the rod body 17, the lighting device 7 is arranged at the top end of the rod body 17, the fixing device comprises a baffle 4 and a linkage rod 5, one end of the baffle 4 is connected with the right clamping tooth 1, the middle of the linkage rod 5 is hinged with the other end of the baffle 4, one end of the linkage rod 5 is connected with one end of the inhaul cable 11, the other end of the linkage rod 5 is connected with the left clamping tooth 2, telescoping device 19 set up on the body of rod 17, display screen 9 set up on the body of rod 17, the ampere meter link to each other with the display, shake hands including pivot 15, handle 16 and pulley 14, handle 16 one end articulated with the body of rod 17, pivot 15 set up in the articulated department of handle 16 one end and the body of rod 17, pulley 14 set up on handle 16, cable 11 bypass pulley 14, the cable 11 other end setting on pivot 15. The handle 16 further comprises an adjusting block 12 and an adjusting groove 13, the adjusting block 12 is arranged on the pulley 14, and the adjusting groove 13 is arranged on the handle 16 and matched with the pulley 14. The rod body 17 is also provided with a guard plate 6. And one end of the guard plate 6 is also provided with a stopper 10. And one end of the guard plate 6 is also provided with a stopper 10. When in use, the telescopic device 19 is used for adjusting the device to a proper length, the adjusting block 12 is moved to a proper position in the adjusting groove 13, and then the steering device 8 is rotated to a proper angle, so that the whole device is lifted. The lighting device 7 is turned on, the handle 16 is pulled by hand, the handle 16 makes circular motion around the rotating shaft 15, at the moment, the pulley 14 on the handle 16 also makes circular motion around the rotating shaft 15, the pulley 14 drives the inhaul cable 11, the inhaul cable 11 drives one end of the linkage rod 5, and under the action of a lever principle, the other end of the linkage rod 5 drives the left clamping tooth 2 to open the chuck. The tested cable is accommodated in the chuck, the handle 16 is loosened, the inhaul cable 11 is loosened, the chuck is closed again, and the current of the tested cable is measured. If the cable has the electric leakage phenomenon, the electric leakage detection device 18 is triggered, the electric leakage detection device 18 sends out a signal alarm and transmits electric leakage data to the display screen 9, and if the electric leakage phenomenon does not exist, the ammeter transmits the measured data to the display screen 9 to complete the measurement and feedback of the cable current. After the measurement is completed, the device is detached from the cable by repeated pulling-releasing of the handle 16.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. An adjustable clamp type ammeter with a display is characterized by comprising a chuck and a support rod, wherein the chuck comprises left clamping teeth, right clamping teeth, an ammeter and a clamping shaft, the clamping shaft is arranged between the left clamping teeth and the right clamping teeth, the support rod comprises a fixing device, a telescopic device, a display screen, a handle, an inhaul cable and a rod body, the fixing device is arranged at the top end of the rod body, the fixing device comprises a baffle and a linkage rod, one end of the baffle is connected with the right clamping teeth, the middle of the linkage rod is hinged with the other end of the baffle, one end of the linkage rod is connected with one end of the inhaul cable, the other end of the linkage rod is connected with the left clamping teeth in an abutting mode, the telescopic device is arranged on the rod body, the display screen is arranged on the rod body, the ammeter is connected with the display, the handle comprises a rotating shaft, a handle and a pulley, one end of the handle is hinged with the rod body, the rotating shaft is arranged at the position where one end of the handle is hinged with the rod body, the pulley is arranged on the handle, the inhaul cable bypasses the pulley, and the other end of the inhaul cable is arranged on the rotating shaft; the handle further comprises an adjusting block and an adjusting groove, the adjusting block is arranged on the pulley, and the adjusting groove is arranged on the handle and matched with the adjusting block on the pulley.
2. The adjustable current clamp meter with display according to claim 1, wherein the clip further comprises an electrical leakage detection device, the electrical leakage detection device is disposed on the clip, and the electrical leakage detection device comprises a detection device and a signal lamp.
3. The adjustable current clamp meter with display according to claim 1, wherein the support bar further comprises an illumination device, and the illumination device is disposed at the top end of the bar body.
4. The adjustable current clamp meter with display according to claim 1, 2 or 3, wherein the support rod further comprises a steering device, and the steering device is arranged on the rod body.
5. The adjustable clamp-on ammeter with display as claimed in claim 1, wherein a guard plate is further disposed on said rod.
6. The adjustable clamp-on ammeter with display as claimed in claim 5, wherein a stopper is further provided at one end of the shield.
7. The adjustable current clamp meter with display according to claim 6, wherein the pulley and the stopper are provided with grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563184.6A CN107677871B (en) | 2017-07-11 | 2017-07-11 | Adjustable clamp type ammeter with display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563184.6A CN107677871B (en) | 2017-07-11 | 2017-07-11 | Adjustable clamp type ammeter with display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107677871A CN107677871A (en) | 2018-02-09 |
| CN107677871B true CN107677871B (en) | 2020-09-18 |
Family
ID=61133801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710563184.6A Active CN107677871B (en) | 2017-07-11 | 2017-07-11 | Adjustable clamp type ammeter with display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107677871B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596933A (en) * | 2018-11-22 | 2019-04-09 | 国网河南省电力公司民权县供电公司 | A kind of seal applied to electric field preventing ground fault |
| CN111239645A (en) * | 2020-01-13 | 2020-06-05 | 国网河北省电力有限公司沧州供电分公司 | Clamp type ammeter measuring system under ubiquitous internet |
| CN111398742B (en) * | 2020-06-04 | 2020-10-16 | 广东电网有限责任公司东莞供电局 | Power distribution network fault detection device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10338101A (en) * | 1997-06-10 | 1998-12-22 | Suzuki Motor Corp | Fitting structure of washer hose |
| KR20090030183A (en) * | 2007-09-19 | 2009-03-24 | (주)테크윙 | Carrier board transferring apparatus for test handler and test handler |
| CN204072234U (en) * | 2014-09-17 | 2015-01-07 | 北华大学 | A kind of medical scissors |
| CN105823936A (en) * | 2016-05-10 | 2016-08-03 | 国网山东省电力公司莱州市供电公司 | Telescopic current transformer rated ratio testing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374397Y (en) * | 2009-02-18 | 2009-12-30 | 宁波电业局 | Portable type short-circuit grounding device |
| CN103323649B (en) * | 2013-06-18 | 2015-12-23 | 国家电网公司 | Current measuring device |
| CN204514993U (en) * | 2015-01-20 | 2015-07-29 | 宋静静 | Gun-type clamp on amperemeter |
| CN204789724U (en) * | 2015-07-10 | 2015-11-18 | 深圳市龙供供电服务有限公司 | Split -core type meter with scalable action bars |
| CN204989288U (en) * | 2015-07-31 | 2016-01-20 | 国网山东五莲县供电公司 | Telescopic pincerlike ammeter of measuring |
| CN204945230U (en) * | 2015-09-18 | 2016-01-06 | 国网山东省电力公司日照供电公司 | A kind of telescopic clamp reometer |
| CN106569006B (en) * | 2016-11-09 | 2019-04-02 | 国网山东省电力公司临朐县供电公司 | A kind of Telescopic clip-on ammeter for overhead transmission line measurement |
-
2017
- 2017-07-11 CN CN201710563184.6A patent/CN107677871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10338101A (en) * | 1997-06-10 | 1998-12-22 | Suzuki Motor Corp | Fitting structure of washer hose |
| KR20090030183A (en) * | 2007-09-19 | 2009-03-24 | (주)테크윙 | Carrier board transferring apparatus for test handler and test handler |
| CN204072234U (en) * | 2014-09-17 | 2015-01-07 | 北华大学 | A kind of medical scissors |
| CN105823936A (en) * | 2016-05-10 | 2016-08-03 | 国网山东省电力公司莱州市供电公司 | Telescopic current transformer rated ratio testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107677871A (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107677871B (en) | Adjustable clamp type ammeter with display | |
| CN204349302U (en) | A kind of multifunction insulating hook stick | |
| CN103323649B (en) | Current measuring device | |
| CN109406901A (en) | A kind of electric power arrester high-tension measurement experimental test wiring new equipment and its application | |
| CN103105512B (en) | High-altitude test clamp | |
| CN204079129U (en) | Coiling dolly | |
| CN103808985A (en) | High-altitude wire connecting device of high-voltage electrical equipment | |
| CN203732567U (en) | Lightning arrester live-line test wiring clamp | |
| CN204789724U (en) | Split -core type meter with scalable action bars | |
| CN107290432B (en) | Ultrasonic detection auxiliary tool for high-voltage electric appliance | |
| CN104062470A (en) | High-voltage switch characteristic test auxiliary wire connection tool | |
| CN207675874U (en) | A kind of two manipulators convertible zero resistance insulator live detection robot | |
| CN203396789U (en) | Arrester three-phase simultaneous detection lead wire clamp | |
| CN205595701U (en) | Transmission line tensioner bullwheel | |
| CN103353542B (en) | Lightning arrester three-phase detects wire clamp simultaneously | |
| CN203164361U (en) | Insulation detector | |
| CN202583245U (en) | High-order wiring device used for high-voltage electrical device | |
| CN209356595U (en) | A kind of electric power arrester high-tension measurement experimental test wiring new equipment | |
| CN204216488U (en) | A kind of replacing fuse pliers with measuring ability | |
| CN209946348U (en) | Portable CT return circuit detection device that opens a way | |
| CN204731303U (en) | A kind of split-core type meter with Stretchable operation bar | |
| CN108008156B (en) | Telescopic clamp-on ammeter | |
| CN205749574U (en) | A kind of quickly rising insulation safety clamp on amperemeter block set | |
| CN202978109U (en) | Insulating puncture clamp installation device | |
| CN212807842U (en) | Reinforcing bar intensity detection mechanism of building quality supervision usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |