CN112067898A - Grounding resistance measuring trolley - Google Patents
Grounding resistance measuring trolley Download PDFInfo
- Publication number
- CN112067898A CN112067898A CN202010813211.2A CN202010813211A CN112067898A CN 112067898 A CN112067898 A CN 112067898A CN 202010813211 A CN202010813211 A CN 202010813211A CN 112067898 A CN112067898 A CN 112067898A
- Authority
- CN
- China
- Prior art keywords
- rod
- megger
- pedal
- trolley
- section
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
Abstract
The invention discloses a ground resistance measuring trolley which comprises a walking trolley, an operating platform, a megger, a foot-operated megger driving device, a handheld rod, a discharge pedal and two discharge electrodes, wherein the operating platform is fixed on the walking trolley, the megger is fixed on the operating platform, a rotating shaft of the megger is connected with the foot-operated megger driving device, the discharge pedal is rotatably connected with a pedal bracket arranged on the walking trolley, the two discharge electrodes are fixed on the walking trolley and positioned below one end of the discharge pedal, one discharge electrode is grounded and electrically connected with one megger binding post, and the other discharge electrode is electrically connected with the handheld rod and the other megger binding post through a measuring lead. The operation platform is arranged on the walking trolley, so that the installation of the megger can be ensured to be stable and firm, the measurement precision is improved, and the problem of inconvenience in data recording and comparison is solved. The invention utilizes the pedal type megger driving device to shake the megger, thereby reducing the labor intensity of personnel and improving the measurement efficiency.
Description
Technical Field
The invention relates to a device for measuring grounding resistance of equipment such as cables, motors and the like, and belongs to the technical field of measurement.
Background
The grounding resistance is an important parameter for representing the insulation degree of equipment such as cables and motors, and the grounding resistance of the equipment is often required to be measured in order to ensure the safe operation of the equipment.
At present, the most common instrument for measuring insulation resistance is a hand-operated megohmmeter, which is called a megohmmeter for short. When the megger is used for measuring the insulation resistance, the megger should be placed in a place which is stable, firm and far away from a large external current conductor and an external magnetic field, a lead wire must be butted before each measurement and then discharged to the ground so as to ensure the safety of human bodies and equipment, the frequency of shaking the megger handle needs to be kept for 120 times/minute when the megger is used, each measuring point needs to be repeatedly measured, and the accuracy of data is ensured. The measurement method is quite complex in operation, high in labor intensity of measurement personnel and low in measurement efficiency, particularly for enterprises with large equipment quantity, the measurement of the grounding resistance becomes heavy physical labor, and the problems that no operation platform exists on site, a megger is difficult to place, measurement errors are large, data recording and comparison are inconvenient and the like exist.
Disclosure of Invention
The invention aims to provide a ground resistance measuring trolley which is convenient and quick to operate and high in measuring precision aiming at the defects of the prior art so as to improve the measuring efficiency and the measuring precision of the ground resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a ground resistance measures dolly, includes walking dolly, operation platform, megger, foot-operated megger drive arrangement, handheld stick, the footboard that discharges and two discharge electrode in the constitution, operation platform passes through the landing leg to be fixed on the walking dolly, the megger is fixed on operation platform, and the pivot and the foot-operated megger drive arrangement of megger are connected, the footboard that discharges rotates with the footboard support that sets up on the walking dolly to be connected, two discharge electrode fix on the walking dolly and lie in discharge footboard one end below to the accessible discharges the footboard short circuit, and one of them discharge electrode ground connection is connected with a megger terminal electricity, and another discharge electrode is connected with handheld stick and another megger terminal electricity through measuring the lead wire.
The ground resistance measuring trolley comprises a pedal type megger driving device, a pedal type megger driving device and a pedal type megger driving device, wherein the pedal type megger driving device comprises a driven belt pulley, a transmission crankshaft, a driving belt pulley, a transmission pedal and a crankshaft push rod, the driven belt pulley is coaxially connected with a rotating shaft of the megger, two ends of the transmission crankshaft are rotatably connected with a transmission support fixed on the walking trolley, the driving belt pulley is coaxially connected with one end of the transmission crankshaft and forms a driving relation with the driven belt pulley through the transmission belt, the middle of the transmission pedal is rotatably connected with a pedal support arranged on the walking trolley, one end of the crankshaft push rod is hinged with the end of the transmission pedal, and the other end of the crankshaft push rod is.
The ground resistance measuring trolley comprises a handheld rod, a rod front section, a spring, a touch head, a measuring cable, an elastic sheet, a pull rod, an inner handle, an outer handle and a rod binding post, wherein the rod rear section is coaxially connected with the rod front section, the diameter of the rod rear section is larger than that of the rod front section, the touch head is connected with the front end of the rod front section through the spring, the rod binding post is arranged on the side wall of the rod rear section and is connected with a discharge electrode on the walking trolley through a measuring lead, one end of the measuring cable is connected with the touch head, the other end of the measuring cable penetrates through the spring and central holes of the rod front section and the rod rear section and is connected with the rod binding post, the pull rod is positioned in an axial through hole of the rod rear section, the front end of the elastic sheet is fixed on the side wall of the rod front section, the rear end of the elastic sheet is connected with the front end of the pull rod, the middle part of the elastic sheet is bent towards the direction far, the inner handle is positioned at the rear end of the rear section of the rod body and connected with the rear end of the pull rod, the outer handle is positioned behind the inner handle and connected with the rear end of the rear section of the rod body, and a handheld rod placing groove matched with the front section of the rod body is fixed on the walking trolley.
According to the ground resistance measuring trolley, the travelling trolley is provided with the stool, and the stool is fixed on the travelling trolley through the stool support.
In the ground resistance measuring trolley, the number of the elastic sheets and the number of the pull rods are two, and the elastic sheets and the pull rods are symmetrically arranged on two sides of the axis of the front section of the rod body.
According to the ground resistance measuring trolley, the two touch columns are arranged on the lower surface of the discharging pedal and are electrically connected through the copper sheet, and each touch column corresponds to one discharging electrode on the walking trolley.
According to the ground resistance measuring trolley, the front wheels of the walking trolley are directional wheels, and the rear wheels of the walking trolley are universal wheels.
Above-mentioned ground resistance measurement dolly, the rear end of walking dolly is equipped with the dolly handle.
In the grounding resistance measuring trolley, the connecting line between the discharge electrode and the terminal of the megger is arranged in the threading tube.
Above-mentioned ground resistance measurement dolly, be equipped with anti-skidding line on the interior handle.
The operation platform is arranged on the walking trolley, so that the stability and firmness of the installation of the megger can be ensured, the measurement precision of the grounding resistance is improved, and the problem of inconvenience in data recording and comparison is solved. The invention utilizes the pedal type megger driving device to shake the megger, thereby greatly reducing the labor intensity of measuring personnel and improving the measuring efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an overall schematic view of a ground resistance measuring trolley according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of the components such as the operation platform and the like on the walking trolley;
FIG. 3 is a schematic structural diagram of a pedal-type megger driving device;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a schematic view of the installation of the pedal bracket, the discharge electrode and the touch post;
FIG. 6 is a schematic view of the overall structure of the hand-held wand;
FIG. 7 is a schematic view of the front end structure of the hand-held stick;
fig. 8 is a schematic view of the rear end structure of the hand-held rod.
The reference numbers in the figures are: 1. the device comprises a walking trolley, 2 parts of supporting legs, 3 parts of a driving belt pulley, 3-1 parts of driving wheel spokes, 3-2 parts of a driving wheel hub, 3-3 parts of a driving crankshaft, 3-4 parts of a shaft sleeve, 3-5 parts of a fixing nut, 3-6 parts of a driving support, 3-7 parts of a driving ring, 3-8 parts of a crankshaft push rod, 4 parts of a driving pedal, 4-1 parts of a pedal support, 5 parts of a discharging pedal, 5-1 parts of a pedal support, 5-2 parts of a discharging electrode, 5-3 parts of a touch column, 6 parts of a driven belt pulley, 6-1 parts of a driven wheel, 6-2 parts of a driven wheel central shaft, 7 parts of a driving belt, 8 parts of an operation platform, 8-1 parts of a belt groove, 9 parts of a megger, 9-1 parts of a megger, a megger binding post, 10 parts of a threading, The trolley comprises a trolley handle, 14, a handheld rod placing groove, 15, a rod body rear section, 15-1, an axial through hole, 16, a rod body front section, 17, a spring, 18, a touch head, 18-1, a measuring cable, 19, an elastic sheet, 19-1, a pull rod, 20, an inner handle, 20-1, an anti-slip pattern, 21, an outer handle, 22, a rod body binding post, 23, a seat, 23-1 and a seat support.
Detailed Description
The invention provides a ground resistance measuring trolley, which replaces hand-cranking with a pedal mode, is time-saving and labor-saving and has wide application range.
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, are used for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, as an embodiment of the ground resistance measuring cart provided in the present invention, a walking cart 1 is a base of the device. The four support legs 2 are fixed on the walking trolley 1 and used for supporting the operating platform 8, and the operating platform is provided with a belt groove 8-1.
Referring to fig. 1 to 4, as a specific embodiment of the present invention, a transmission bracket 3-6 is fixed on a traveling carriage 1. The shaft sleeve 3-4 is fixed on the transmission bracket 3-6. Two ends of the transmission crankshaft 3-3 penetrate through the through holes of the shaft sleeves 3-4, and are fixed by fixing nuts 3-5 to prevent falling. The transmission ring 3-7 is arranged at the inner side bulge of the middle of the transmission crankshaft 3-3, one end of a crankshaft push rod 3-8 is connected with the transmission ring 3-7, the other end of the crankshaft push rod is hinged with the top of the transmission pedal 4, the transmission pedal 4 is fixed on the walking trolley 1 through a pedal support 4-1, the transmission pedal 4 is repeatedly trodden to drive the crankshaft push rod 3-8, the transmission crankshaft 3-3 rotates to further drive the driving belt pulley 3 to rotate, the driving belt pulley 3 drives the driven belt pulley 6 to rotate through the transmission belt 7, and further the driven wheel central shaft 6-2 rotates to replace hand cranking.
Referring to fig. 1, 3 and 4, as a specific implementation manner of the embodiment of the present invention, one end of the transmission crankshaft 3-3 is fixedly connected to the driving wheel hub 3-2, six driving wheel spokes 3-1 are provided, one end of each driving wheel spoke is connected to the driving wheel hub 3-2, and the other end of each driving wheel spoke is connected to the inner wall of the driving pulley 3. The driving pulley 3 is provided with a belt groove, and the driven pulley 6 is provided with a belt groove. The driving pulley 3 and the driven pulley 6 are connected by a drive belt 7.
Referring to fig. 1 and 3, as a specific implementation manner of the embodiment of the present invention, one end of a driven wheel spoke 6-1 is connected to an inner wall of a driven pulley 6, the other end is connected to one end of a driven wheel center shaft 6-2, and the other end of the driven wheel center shaft 6-2 is connected to a rotating shaft of a megger 9.
Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, a megger 9 is fixed on an operation platform 8, and is stable and firm, and a megger binding post 9-1 is arranged at the top of the megger 9.
Referring to fig. 1, 2, 3 and 5, as a specific implementation manner of the embodiment of the present invention, the discharge pedal 5 is mounted on the walking trolley 1 through a pedal bracket 5-1, and a shaft is provided at the top of the pedal bracket 5-1 to allow the discharge pedal 5 to rotate. Two touch columns 5-3 are arranged at the front end of the discharging pedal 5, and the two touch columns 5-3 are connected through a copper sheet. A discharge electrode 5-2 is arranged on the travelling trolley 1 at the corresponding position below the touch column 5-3. When the discharging pedal 5 is stepped, the touch column 5-3 touches the discharging electrode 5-2, and the two discharging electrodes 5-2 are conducted through the copper sheet between the touch columns 5-3.
Referring to fig. 1, 2 and 5, as a specific implementation manner of the embodiment of the present invention, a threading pipe 10 is laid along the edge of the operation platform 8 and the legs 2 to the side of the discharge electrode 5-2 on the walking trolley 1.
Referring to fig. 1 to 3, as a specific implementation manner of the embodiment of the present invention, two orientation wheels 11 are provided and are installed at the front lower portion of the traveling trolley 1. Two universal wheels 12 are also arranged and are arranged at the rear lower part of the walking trolley 1. The trolley handle 13 is arranged at the rear upper part of the walking trolley 1. The handheld rod placing groove 14 is arranged above the rear part 1 of the walking trolley.
Referring to fig. 6 to 8, as a specific implementation manner of the embodiment of the present invention, the rear rod 15 plays a role in protection, and the front rod 16 is hollow and coaxially connected to the rear rod 15. The rear section 15 of the rod body is provided with an axial through hole 15-1. The front end of the front rod section 16 is provided with a spring 17, the top end of the spring 17 is provided with a touch head 18, a touch head cable 18-1 is arranged in the central holes of the rear rod section 15 and the front rod section 16, one end of the touch head cable is connected with the touch head 18, and the other end of the touch head cable is connected with a rod binding post 22.
Referring to fig. 6 to 8, as a specific implementation manner of the embodiment of the present invention, one end of the elastic sheet 19 is fixed on the side wall of the front section 16 of the rod, the other end of the elastic sheet is connected to one end of the pull rod 19-1, the other end of the pull rod 19-1 passes through the axial through hole 15-1 and is connected to the edge of the inner handle 20, the inner handle 20 is provided with anti-slip threads 20-1 for preventing slipping, and the outer handle 21 is fixed at the rear end of the rear section 15 of the rod.
Referring to fig. 2, as a specific embodiment of the present invention, the stool 23 is fixed to the walking cart 1 by a stool bracket 23-1.
Before the device is used, a measuring lead and a grounding lead need to be laid, one end of the measuring lead is connected with one megger binding post of the megger, and the other end of the measuring lead passes through the threading pipe to be connected to the discharge electrode and then is connected to the rod binding post. One end of the grounding lead is connected with the other megger binding post of the megger, and the other end of the grounding lead passes through the threading pipe and is connected with the other discharge electrode and then is grounded. Before the megger is used, a discharge pedal needs to be stepped to discharge electricity to the ground.
Claims (10)
1. A ground resistance measuring trolley is characterized by comprising a walking trolley (1), an operating platform (8), a megger (9), a pedal type megger driving device, a handheld rod, a discharging pedal (5) and two discharging electrodes (5-2), wherein the operating platform (8) is fixed on the walking trolley (1) through supporting legs (2), the megger (9) is fixed on the operating platform (8), a rotating shaft of the megger (9) is connected with the pedal type megger driving device, the discharging pedal (5) is rotatably connected with a pedal bracket (5-1) arranged on the walking trolley (1), the two discharging electrodes (5-2) are fixed on the walking trolley (1) and positioned below one end of the discharging pedal (5) and can be in short circuit through the discharging pedal (5), one of the discharging electrodes (5-2) is grounded and is electrically connected with a megger binding post (9-1), the other discharge electrode (5-2) is electrically connected with the hand-held rod and the other megger binding post (9-1) through a measuring lead.
2. The ground resistance measuring trolley according to claim 1, wherein the pedal-type megger driving device comprises a driven pulley (6), a transmission crankshaft (3-3), a driving pulley (3), a transmission pedal (4) and a crankshaft push rod (3-8), the driven pulley (6) is coaxially connected with a rotating shaft of a megger (9), two ends of the transmission crankshaft (3-3) are rotatably connected with transmission brackets (3-6) fixed on the walking trolley (1), the driving pulley (3) is coaxially connected with one end of the transmission crankshaft (3-3) and forms a driving relation with the driven pulley (6) through a transmission belt (7), the middle part of the transmission pedal (4) is rotatably connected with a pedal support (4-1) arranged on the walking trolley (1), one end of the crankshaft push rod (3-8) is hinged with the end part of the transmission pedal (4), the other end is rotationally connected with the transmission crankshaft (3-3) through a transmission ring (3-7) which is loosely sleeved at the middle bending part of the transmission crankshaft (3-3).
3. The ground resistance measuring trolley according to claim 1 or 2, characterized in that the hand-held rod comprises a rod rear section (15), a rod front section (16), a spring (17), a touch head (18), a measuring cable (18-1), an elastic sheet (19), a pull rod (19-1), an inner handle (20), an outer handle (21) and a rod binding post (22), the rod rear section (15) is coaxially connected with the rod front section (16), the diameter of the rod rear section (15) is larger than that of the rod front section (16), the touch head (18) is connected with the front end of the rod front section (16) through the spring (17), the rod binding post (22) is arranged on the side wall of the rod rear section (15) and is connected with a discharge electrode (5-2) on the walking trolley (1) through a measuring lead, one end of the measuring cable (18-1) is connected with the touch head (18), the other end of the walking trolley passes through a spring (17), a front rod section (16) and a rear rod section (15) and then is connected with a rod binding post (22), the pull rod (19-1) is located in an axial through hole of the rear rod section (15), the front end of the elastic sheet (19) is fixed on the side wall of the front rod section (16), the rear end of the elastic sheet is connected with the front end of the pull rod (19-1), the middle part of the elastic sheet (19) is bent towards the direction far away from the axis of the front rod section (16), the inner handle (20) is located at the rear end of the rear rod section (15) and is connected with the rear end of the pull rod (19-1), the outer handle (21) is located behind the inner handle (20) and is connected with the rear end of the rear rod section (15), and a rod holding groove (14) matched with the front rod section (16) is fixed on the walking trolley (1).
4. The ground resistance measuring trolley according to claim 3, wherein a stool (23) is arranged on the walking trolley (1), and the stool (23) is fixed on the walking trolley (1) through a stool bracket (23-1).
5. The ground resistance measuring trolley according to claim 4, wherein two spring plates (19) and two pull rods (19-1) are arranged and symmetrically arranged on two sides of the axis of the front section (16) of the rod body.
6. The ground resistance measuring trolley according to claim 5, characterized in that two contact columns (5-3) are arranged on the lower surface of the discharge pedal (5) and are electrically connected with each other through a copper sheet, and each contact column (5-3) corresponds to one discharge electrode (5-2) on the walking trolley (1).
7. The ground resistance measuring trolley according to claim 6, wherein the front wheels of the walking trolley (1) are directional wheels (11), and the rear wheels are universal wheels (12).
8. The ground resistance measuring trolley according to claim 7, characterized in that a trolley handle (13) is arranged at the rear end of the walking trolley (1).
9. The grounding resistance measuring trolley according to claim 8, wherein a connecting line between the discharge electrode (5-2) and the megger binding post (9-1) is arranged in the threading pipe (10).
10. The ground resistance measuring trolley according to claim 9, wherein the inner handle (20) is provided with anti-slip threads (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813211.2A CN112067898A (en) | 2020-08-13 | 2020-08-13 | Grounding resistance measuring trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813211.2A CN112067898A (en) | 2020-08-13 | 2020-08-13 | Grounding resistance measuring trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112067898A true CN112067898A (en) | 2020-12-11 |
Family
ID=73661474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010813211.2A Pending CN112067898A (en) | 2020-08-13 | 2020-08-13 | Grounding resistance measuring trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112067898A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202383165U (en) * | 2011-12-07 | 2012-08-15 | 江西景德镇供电公司 | Integrated grounding megger storing device |
| CN102983539A (en) * | 2012-11-08 | 2013-03-20 | 伊川县电业局 | Electrification ground potential lighting arrester installation safe line card |
| CN203224518U (en) * | 2013-04-27 | 2013-10-02 | 国家电网公司 | Toolbox for power transmission line tower grounding resistance megger |
| CN103777105A (en) * | 2014-02-26 | 2014-05-07 | 天津二十冶建设有限公司 | Variable frequency drive debugging method |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN203981710U (en) * | 2014-05-29 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of Assisted Combinatorial device that is applicable to megger method test power distribution network stake resistance |
| CN204086405U (en) * | 2014-09-30 | 2015-01-07 | 国家电网公司 | Earth resistance of power transmission line measures combination vehicle |
| CN205687329U (en) * | 2016-06-21 | 2016-11-16 | 国网冀北电力有限公司秦皇岛供电公司 | Grounding resistance measurement auxiliary device |
| CN207566335U (en) * | 2017-11-10 | 2018-07-03 | 河钢股份有限公司承德分公司 | A kind of moving trolley belt conveyor system |
| CN208521482U (en) * | 2018-03-06 | 2019-02-19 | 黄桂斌 | A kind of rural power grids distribution business work skill operation training cabinet |
| CN110609176A (en) * | 2019-10-24 | 2019-12-24 | 国网山东省电力公司青州市供电公司 | Ground resistance test car, remote controller and ground resistance test system |
| CN210336004U (en) * | 2019-07-04 | 2020-04-17 | 广东电网有限责任公司 | Self-adaptive manipulator type ground rod |
-
2020
- 2020-08-13 CN CN202010813211.2A patent/CN112067898A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202383165U (en) * | 2011-12-07 | 2012-08-15 | 江西景德镇供电公司 | Integrated grounding megger storing device |
| CN102983539A (en) * | 2012-11-08 | 2013-03-20 | 伊川县电业局 | Electrification ground potential lighting arrester installation safe line card |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN203224518U (en) * | 2013-04-27 | 2013-10-02 | 国家电网公司 | Toolbox for power transmission line tower grounding resistance megger |
| CN103777105A (en) * | 2014-02-26 | 2014-05-07 | 天津二十冶建设有限公司 | Variable frequency drive debugging method |
| CN203981710U (en) * | 2014-05-29 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of Assisted Combinatorial device that is applicable to megger method test power distribution network stake resistance |
| CN204086405U (en) * | 2014-09-30 | 2015-01-07 | 国家电网公司 | Earth resistance of power transmission line measures combination vehicle |
| CN205687329U (en) * | 2016-06-21 | 2016-11-16 | 国网冀北电力有限公司秦皇岛供电公司 | Grounding resistance measurement auxiliary device |
| CN207566335U (en) * | 2017-11-10 | 2018-07-03 | 河钢股份有限公司承德分公司 | A kind of moving trolley belt conveyor system |
| CN208521482U (en) * | 2018-03-06 | 2019-02-19 | 黄桂斌 | A kind of rural power grids distribution business work skill operation training cabinet |
| CN210336004U (en) * | 2019-07-04 | 2020-04-17 | 广东电网有限责任公司 | Self-adaptive manipulator type ground rod |
| CN110609176A (en) * | 2019-10-24 | 2019-12-24 | 国网山东省电力公司青州市供电公司 | Ground resistance test car, remote controller and ground resistance test system |
Non-Patent Citations (1)
| Title |
|---|
| 朱先志: "钩式接地电阻计在测量中使用方法探讨", 《湖北电力》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203109949U (en) | Intelligent detecting robot for connecting rod peristalsis insulator string | |
| CN102621429B (en) | Horizontal duplex insulator string on-line detection robot | |
| CN210069379U (en) | Convenient mapping device who removes | |
| CN112067898A (en) | Grounding resistance measuring trolley | |
| CN205687329U (en) | Grounding resistance measurement auxiliary device | |
| CN103480613A (en) | Insulating sleeve cleaner | |
| CN212203876U (en) | PTC mutual-inductor tester that facilitates use | |
| CN211980921U (en) | Temporary grounding device for subway line maintenance | |
| CN210141907U (en) | Convenient to use's ultrasonic flowmeter | |
| CN210894472U (en) | A test electric auxiliary trolley for transformer substation tests electrography | |
| CN209685043U (en) | Movable type cable jiggering | |
| CN112472539A (en) | Blind person walking stick capable of identifying steps and preventing accidental hand-off | |
| CN208016241U (en) | A kind of SMT process units | |
| CN212675052U (en) | Lightning arrester on-line monitoring device | |
| CN207067251U (en) | A kind of pincerlike earth resistance tester | |
| JPH0833600A (en) | Dome inwall cleaner | |
| CN216741321U (en) | Novel triangular insulating extension ladder convenient to carry | |
| CN216360296U (en) | Portable adjustable cable pay-off table | |
| CN217820666U (en) | Insulation state detection device for high-voltage electrical equipment of transformer substation | |
| CN205472032U (en) | Disk coiling and uncoiling device of earth connection | |
| CN205740249U (en) | Electricity meter-reading device | |
| CN218240228U (en) | Ground resistance detecting device | |
| CN218809694U (en) | Simple and easy portable multi-functional reel coiled material winding and unwinding devices of type | |
| CN217146024U (en) | Bypass operation switch dolly | |
| CN219285219U (en) | Test device for detecting equipotential connection |
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 | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240202 |