CN112648013A - Electrode conversion tool for direct current method instrument - Google Patents
Electrode conversion tool for direct current method instrument Download PDFInfo
- Publication number
- CN112648013A CN112648013A CN202011559090.XA CN202011559090A CN112648013A CN 112648013 A CN112648013 A CN 112648013A CN 202011559090 A CN202011559090 A CN 202011559090A CN 112648013 A CN112648013 A CN 112648013A
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- Prior art keywords
- direct current
- plate
- conversion tool
- electrode
- bearing block
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention provides an electrode conversion tool for a direct current electrical method instrument, which belongs to the technical field of coal mine construction and comprises a conversion module, an interface module and an operation module; the conversion module comprises a bearing block body and a position changing plate movably connected to the bearing block body, wherein one side of the position changing plate close to the hollow structure is provided with an electric connection part used for being connected with the anode and the cathode of a power supply; the interface module comprises a neutral wire holder and a plurality of electrified wire holders which are arranged on the bearing block body, and a plurality of cables respectively penetrate through the electrified wire holders to enter the hollow structure and are used for being connected with the electric connection part; the electrode conversion tool for the direct current method instrument realizes the power-on connection of the power connection part and cables on different power-on wire holders by controlling the movement of the deflection plate, completes the test action, and only needs to drive the deflection plate to move through the holding part when the electrodes need to be converted, so that the operation accuracy is high, and the working efficiency is high.
Description
Technical Field
The invention belongs to the technical field of coal mine construction, and particularly relates to an electrode conversion tool for a direct current method instrument.
Background
When the conventional direct current method instrument of the coal mine is used for converting a power supply electrode, a manual wire clamp releasing mode is adopted, and the working mode has the advantages of simplicity and convenience in construction, low equipment cost and the like. However, the following disadvantages also exist: the current and the voltage that direct current electrical method appearance surveyed are less, and the manual loose fastener mode of putting and the frequent resistance of putting the production of fastener and cable can influence the measuring accuracy to the operation mode of loosening the fastener has seriously reduced the speed of construction, and efficiency is lower.
Disclosure of Invention
The invention aims to provide an electrode conversion tool for a direct current method instrument, and the electrode conversion tool is used for solving the technical problems of low accuracy and construction efficiency of a mode of converting an electrode by a loose wire clamp in the test process of the direct current method instrument in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the electrode conversion tool for the direct current electrical method instrument comprises a conversion module, an interface module and an operation module;
the conversion module comprises a bearing block body and a position changing plate movably connected to the bearing block body, the bearing block body is of a hollow structure, the position changing plate is covered on the hollow structure, and one side of the position changing plate, which is close to the hollow structure, is provided with an electric connection part used for being connected with a positive electrode and a negative electrode of a power supply;
the interface module comprises a neutral wire holder and a plurality of electrified wire holders, wherein the neutral wire holder and the electrified wire holders are arranged on the bearing block body, are communicated with the hollow structure and correspond to the electric connection parts; a plurality of cables respectively penetrate through the electrifying wire holders to enter the hollow structure and are used for being connected with the electrifying part;
the operation module is a holding part fixedly arranged on one side of the position changing plate, which is far away from the bearing block body, the holding part is controlled to drive the position changing plate to move on the bearing block body, and the electric connection part is electrically connected with a cable penetrating through the neutral position wire holder or the electrified wire holder respectively.
As another embodiment of this application, the carrier block is the cylinder structure, the board that shifts rotate connect in on the carrier block, neutral wire holder and a plurality of circular telegram wire holder centers on the cylinder structure sets up.
As another embodiment of the present application, the neutral wire holder and the plurality of energized wire holders are uniformly arranged around the cylindrical structure.
As another embodiment of the present application, the bearing block body is a rectangular block structure, the desired shifting board is slidably disposed on the rectangular block structure, and the neutral wire holder and the plurality of energized wire holders are disposed on one side of the rectangular block structure.
As another embodiment of this application, hollow structure is last to be equipped with the apron, shift board sliding connection in on the apron, be equipped with on the apron and be used for stepping down on the board shifts the gliding rectangular hole of portion of connecting electricity.
As another embodiment of this application, all be equipped with soft cover on two relative interior pore walls on the rectangular hole, the length direction and the rectangular hole length direction of soft cover are unanimous, two soft cover is used for blocking rectangular hole, two looks butt between the soft cover, the portion of connecting electricity is worn to locate between two soft covers.
As another embodiment of the present application, a sliding groove is disposed on the rectangular block structure, and the position changing plate is slidably connected in the sliding groove; the inner wall of the sliding groove is provided with a plurality of inner grooves which correspond to the neutral wire holders and the plurality of power-on wire holders one to one, and the shifting plate is provided with positioning beads which are used for being elastically clamped in the inner grooves.
As another embodiment of the application, the number of the neutral wire holders is one, and the number of the power-on wire holders is 8-10.
As another embodiment of the present application, the holding portion is a strip-shaped block formed by extending outward from the displacement plate, and two sides of the strip-shaped block are provided with lower grooves for holding hands.
As another embodiment of the present application, an indicator light is disposed on the holding portion and used for displaying the power connection state of the power connection portion.
The electrode conversion tool for the direct current method instrument has the advantages that: compared with the prior art, the electrode conversion tool for the direct current method instrument is characterized in that the position changing plate and the electric connection part on the position changing plate are installed in the hollow structure on the bearing block body, and the positive electrode and the negative electrode of the power supply enter the hollow structure from the lower end of the bearing block body and are connected with the electric connection part for electrification; one ends of the cables respectively penetrate through the power-on wire holders to enter the hollow structure, and the other ends of the cables are used for testing various different positions; during the use, through controlling the portion of gripping drive shifting board and the portion of connecting electric moves in hollow structure, and then make the portion of connecting electric and neutral connection terminal or circular telegram connection terminal intercommunication, and then realize stopping test operation fast or testing different positions, through this kind of mode, can be through controlling the shifting board, realize that the portion of connecting electric is connected with the cable conductor circular telegram on the circular telegram connection terminal of difference, and accomplish the test action, when needing the switching electrode, only need through the portion of gripping drive shifting board remove can, the operation accuracy is high, and work efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a use state of an electrode conversion tool for a direct current electrical method instrument according to an embodiment of the present invention;
fig. 2 is a top view of an electrode conversion tool for a dc electrical method instrument according to an embodiment of the present invention;
fig. 3 is a front view of an electrode conversion tool for a dc electrical method instrument according to an embodiment of the present invention;
fig. 4 is a first schematic structural diagram of an electrode conversion tool for a dc electrical method instrument, in which a bearing block has a rectangular block structure according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second electrode conversion tool for a dc electrical method instrument, in which a bearing block has a rectangular block structure according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a conversion module; 11. a load-bearing block; 12. a shifting plate; 13. a cover plate; 131. a strip hole; 132. a soft cover; 14. a chute; 15. an inner groove; 16. a positioning bead; 2. an interface module; 21. a neutral wire holder; 22. a power-on wire holder; 23. a cable wire; 24. a wire inlet hole; 3. an operation module; 31. a grip portion; 32. an indicator light; 4. a base.
Detailed Description
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 will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, an electrode conversion tool for a dc method instrument according to the present invention will now be described. An electrode conversion tool for a direct current method instrument comprises a conversion module 1, an interface module 2 and an operation module 3; the conversion module 1 comprises a bearing block 11 and a displacement plate 12 movably connected to the bearing block 11, the bearing block 11 is of a hollow structure, the displacement plate 12 is covered on the hollow structure, and one side of the displacement plate 12 close to the hollow structure is provided with an electric connection part for connecting with the anode and the cathode of a power supply; the interface module 2 comprises a neutral wire holder 21 and a plurality of electrified wire holders 22 which are arranged on the bearing block 11, wherein the neutral wire holder 21 and each electrified wire holder 22 are communicated with the hollow structure and correspond to the electric connection part; a plurality of electric cables 23 respectively penetrate through the electrifying wire holders 22 to enter the hollow structure and are used for being connected with the electric connection part; the operation module 3 is a holding portion 31 fixedly disposed on a side of the displacement plate 12 away from the bearing block 11, and the holding portion 31 is operated to drive the displacement plate 12 to move on the bearing block 11, so that the electrical connection portions are electrically connected to the cables 23 passing through the neutral connection seat 21 or the energized connection seat 22, respectively.
Compared with the prior art, the electrode switching tool for the direct current electrical method instrument has the advantages that the position changing plate 12 and the electric connection part on the position changing plate 12 are installed in the hollow structure on the bearing block body 11, and the positive electrode and the negative electrode of the power supply enter the hollow structure from the lower end of the bearing block body 11 and are connected with the electric connection part for electrification; one ends of a plurality of cables 23 respectively penetrate through the power-on wire holders 22 to enter the hollow structure, and the other ends of the cables are used for testing various different positions; during the use, through controlling the portion of gripping 31 drive shifting board 12 and the portion of connecting electricity and moving in hollow structure, and then make the portion of connecting electricity and neutral connection terminal 21 or the intercommunication of circular telegram connection terminal 22, and then realize stopping test operation fast or test different positions, through this kind of mode, can be with the help of the motion of control shifting board 12, realize that the portion of connecting electricity is connected with the cable conductor 23 circular telegram on the circular telegram connection terminal 22 of difference, and accomplish the test action, when needing the switching electrode, only need through the portion of gripping 31 drive shifting board 12 remove can, the operation accuracy is high, and work efficiency is high.
The cable 23 is provided with two inner cores connected with the positive and negative electrodes, and the power-on wire holder 22 is provided with a wire inlet hole 24 for the two inner cores to pass through. The electrode conversion tool for the direct current method instrument further comprises a base 4, the bearing block 11 is installed on the base 4, the base 4 plays a role in supporting the bearing block 11, a damp-proof and dustproof effect is achieved, a power supply can be installed on the base 4, and the positive electrode and the negative electrode of the power supply are connected with the power connection portion conveniently.
Referring to fig. 1 to 3, as a specific embodiment of the electrode conversion tool for a dc electrical method instrument according to the present invention, the bearing block 11 is a cylindrical structure, the displacement plate 12 is rotatably connected to the bearing block 11, the neutral wire holder 21 and the plurality of energized wire holders 22 are disposed around the cylindrical structure, the bearing block 11 with the cylindrical structure is adopted, the displacement plate 12 is rotatably connected to the cylindrical structure, and the neutral wire holder 21 and the plurality of energized wire holders 22 are disposed around the cylindrical structure, so that the displacement plate 12 can be rotated by operating the holding portion 31, and the electrical connection portion at the lower end of the displacement plate 12 can be smoothly rotated and is corresponding to and communicated with the neutral wire holder 21 or the energized wire holder 22, which is convenient and accurate to operate. The appearance of the bearing block body 11 with the cylindrical structure is exquisite.
Referring to fig. 1 to 3, as a specific embodiment of the electrode switching tool for a dc electrical method instrument according to the present invention, the neutral wire holder 21 and the plurality of energized wire holders 22 are uniformly distributed around the cylindrical structure, and the neutral wire holder 21 and the plurality of energized wire holders 22 are uniformly distributed, so that the radian intervals between the neutral wire holder 21 and the plurality of energized wire holders 22 are the same, and a user can more easily and accurately operate the holding portion 31 to switch the electrode to a desired position.
Referring to fig. 4 and 5, as a specific embodiment of the electrode converting tool for a dc electrical instrument according to the present invention, the carrier block 11 is a rectangular block structure, the desired shifting board 12 is slidably disposed on the rectangular block structure, the neutral wire holder 21 and the plurality of energized wire holders 22 are disposed on one side of the rectangular block structure, the carrier block 11 is configured as a rectangular block structure, the shifting board 12 is slidably connected to the carrier block 11, the electrical connection portion at the lower end of the carrier block 11 is connected to the positive and negative electrodes of the power supply through the wires disposed in the hollow structure, and the length of the wires is greater than the length of the rectangular block structure, so that the shifting board 12 and the electrical connection portion are driven by the control grip 31 to slide on the rectangular block structure, thereby ensuring the electrical connection state of the electrical connection portion. After the sliding displacement plate 12 and the electric connection part slide to correspond to the neutral wire holder 21 or a certain electrified wire holder 22, the electric connection part is disconnected from the neutral wire holder 21, the electric connection part is connected with a cable 23 of the electrified wire holder 22, the electric connection operation is completed, and then the test operation is carried out.
Referring to fig. 4 and 5, as a specific embodiment of the electrode conversion tool for a dc process instrument according to the present invention, a cover plate 13 is disposed on the hollow structure, the position changing plate 12 is slidably connected to the cover plate 13, the cover plate 13 is disposed with a long hole 131 for allowing the electrical connection part on the position changing plate 12 to slide, and the cover plate 13 is disposed to shield the hollow structure, so as to prevent external dust, water drops and other impurities from easily entering the hollow structure, and thus the electrical connection part is damaged and burnt. The cover plate 13 is provided with a long hole 131 adapted to the power connection portion, and the displacement plate 12 is slidably disposed on the cover plate 13. The lower end of the displacement plate 12 is provided with a columnar mounting part, and the electric connection part is mounted on the mounting part, so that when the displacement plate 12 slides on the cover plate 13, the long hole 131 is matched and matched with the mounting part in a sliding manner, and the width of the long hole 131 can be effectively reduced. Set up apron 13 and can dismantle the connection on bearing block 11, like modes such as screw connection, convenient to detach, installation to and the maintenance operation etc. in later stage.
Referring to fig. 4 and 5, as a specific embodiment of the electrode converting tool for a dc current instrument according to the present invention, soft covers 132 are respectively disposed on two opposite inner hole walls of the elongated hole 131, a length direction of each soft cover 132 is identical to a length direction of the elongated hole 131, the two soft covers 132 are used for blocking the elongated hole 131, the two soft covers 132 are in contact with each other, an electrical connection part is disposed between the two soft covers 132, the soft covers 132 on both sides are in contact with each other to form a better blocking structure, an electrical connection part or an installation part at a lower end of the shifting board 12 is disposed between the two soft covers 132 when the shifting board 12 is operated by the grip part 31 to slide on the bearing block 11, the electrical connection part or the installation part moves between the two soft covers 132, and the soft covers 132 are easily deformed and easily restored to their original shapes due to their softness, thereby ensuring that the electrical connection part or the installation part can smoothly slide between the two soft covers 132, but also ensures that the soft cover 132 can well seal the long holes 131 to shield dust, water drops and the like.
Referring to fig. 4 and 5, as a specific embodiment of the electrode conversion tool for a dc method instrument according to the present invention, a sliding slot 14 is formed on the rectangular block structure, and the shifting plate 12 is slidably connected in the sliding slot 14; the inner wall of the sliding groove 14 is provided with a plurality of inner grooves 15 which are in one-to-one correspondence with the neutral position wire holders 21 and the plurality of electrified wire holders 22, the shifting plate 12 is provided with positioning beads 16 which are elastically clamped in the inner grooves 15, the bearing block body 11 is arranged to be of a rectangular block structure, the shifting plate 12 is connected to the bearing block body 11 in a sliding mode, the electric connection part at the lower end of the bearing block body 11 is connected with the positive electrode and the negative electrode of a power supply through wires arranged in the hollow structure, the length of the wires is larger than that of the rectangular block structure, therefore, the shifting plate 12 and the electric connection part are driven to slide on the rectangular block structure by controlling the holding part 31. After the sliding displacement plate 12 and the electric connection part slide to correspond to the neutral wire holder 21 or a certain electrified wire holder 22, the electric connection part is disconnected from the neutral wire holder 21, the electric connection part is connected with a cable 23 of the electrified wire holder 22, the electric connection operation is completed, and then the test operation is carried out. When the positioning ball 16 is clamped in the inner groove 15, the electric connection part and the corresponding cable 23 of the electrified wire holder 22 are ensured to be connected with the circuit.
Referring to fig. 1 to 5, as a specific embodiment of the electrode switching tool for a dc electrical instrument according to the present invention, one neutral wire holder 21 is provided, and 8 to 10 power-on wire holders 22 are provided, and when the test operation is completed or interrupted, the holding portion 31 is operated to drive the power connection portion on the shifting plate 12 to correspond to the neutral wire holder 21, so that the whole test cable 23 is no longer in a power-on state; 8-10 electrified wire holders 22 are arranged, a cable 23 is installed on each electrified wire holder 22, after the cable 23 penetrates through the electrified wire holders 22, two inner cores enter a hollow structure and correspond to a power connection part, and after the operation holding part 31 further drives the power connection part on the shifting plate 12 to be aligned and connected with one electrified wire holder 22, circuit conduction is achieved, and then the cable 23 of the electrified wire holder 22 is subjected to test operation. The mark "0" can be carried out on the neutral wire holder 21 to represent the neutral position, and the marks of the energizing wire holders 22 are respectively marked as "1", "2", "3", "4", "5" in sequence, so that the worker can accurately remember the positions of the energizing wire holders 22 corresponding to the connected cables 23.
Referring to fig. 1 to 5, as a specific embodiment of the electrode converting tool for a dc electrical method instrument according to the present invention, the holding portion 31 is a strip-shaped block formed by extending outward from the position-changing plate 12, two sides of the strip-shaped block are provided with lower grooves for holding by a hand, the holding portion 31 of the strip-shaped block is convenient for a worker to operate by hand, so as to rotate or pull the strip-shaped block and the position-changing plate 12 to move to the corresponding neutral connection seat 21 or the corresponding energized connection seat 22 accurately and quickly, and connect the electrical connection portion at the lower end of the position-changing plate 12 with a cable 23 passing through the energized connection seat 22, and complete the corresponding testing operation. The lower grooves arranged along the length direction of the strip-shaped blocks are respectively formed in the two sides of each strip-shaped block, so that a worker can hold the strip-shaped blocks in the lower grooves, the holding is more stable, and the operation effect is higher. A rubber pad is arranged in the lower groove.
Referring to fig. 1 to 5, as a specific embodiment of the electrode switching tool for a dc power meter according to the present invention, an indicator light 32 is disposed on a grip 31 for displaying a power connection state of a power connection unit, and when a worker needs to switch an electrode, the worker can first determine whether the power connection unit is in the power connection state according to whether the indicator light 32 on the grip 31 is bright, so as to ensure the effectiveness of operation, reduce repeated and useless operations, and improve work efficiency.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The electrode conversion tool for the direct current method instrument is characterized by comprising a conversion module, an interface module and an operation module;
the conversion module comprises a bearing block body and a position changing plate movably connected to the bearing block body, the bearing block body is of a hollow structure, the position changing plate is covered on the hollow structure, and one side of the position changing plate, which is close to the hollow structure, is provided with an electric connection part used for being connected with a positive electrode and a negative electrode of a power supply;
the interface module comprises a neutral wire holder and a plurality of electrified wire holders, wherein the neutral wire holder and the electrified wire holders are arranged on the bearing block body, are communicated with the hollow structure and correspond to the electric connection parts; a plurality of cables respectively penetrate through the electrifying wire holders to enter the hollow structure and are used for being connected with the electrifying part;
the operation module is a holding part fixedly arranged on one side of the position changing plate, which is far away from the bearing block body, the holding part is controlled to drive the position changing plate to move on the bearing block body, and the electric connection part is electrically connected with a cable penetrating through the neutral position wire holder or the electrified wire holder respectively.
2. The electrode conversion tool for a direct current electrical method instrument according to claim 1, wherein said carrier block is a cylindrical structure, said deflection plate is rotatably connected to said carrier block, and said neutral wire holder and said plurality of energized wire holders are disposed around said cylindrical structure.
3. The electrode conversion tool for a direct current electrical process meter of claim 2, wherein said neutral wire holder and said plurality of energized wire holders are disposed evenly around said cylindrical structure.
4. The electrode conversion tool for dc electrical method instruments according to claim 1, wherein the carrier block is a rectangular block structure, the desired shift plate is slidably disposed on the rectangular block structure, and the neutral wire holder and the plurality of energized wire holders are disposed on one side of the rectangular block structure.
5. The electrode conversion tool for the direct current method instrument as claimed in claim 4, wherein a cover plate is arranged on the hollow structure, the displacement plate is slidably connected to the cover plate, and a long hole for allowing the electric connection part on the displacement plate to slide is formed in the cover plate.
6. The electrode conversion tool for a direct current electrical method instrument according to claim 5, wherein soft covers are provided on both of two inner hole walls of the elongated hole which are opposed to each other, a longitudinal direction of the soft covers coincides with a longitudinal direction of the elongated hole, the soft covers are used for blocking the elongated hole, the soft covers are in contact with each other, and the electric connection part is inserted between the soft covers.
7. The electrode conversion tool for the direct current electrical method instrument as claimed in claim 4, wherein a sliding groove is arranged on the rectangular block structure, and the deflection plate is slidably connected in the sliding groove; a plurality of inner grooves which correspond to the neutral wire holder and the plurality of electrified wire holders one to one are formed in the inner wall of the sliding groove, and positioning beads which are elastically clamped in the inner grooves are arranged on the shifting plate; the bottom surface of the sliding groove is provided with a strip hole used for yielding the position changing plate, and the electric connection part on the position changing plate slides.
8. The electrode conversion tool for direct current electrical method instruments according to claim 1, wherein there is one neutral wire holder and 8-10 energized wire holders.
9. The electrode conversion tool for a direct current meter according to claim 1, wherein the holding portion is a bar-shaped block extending outward from the displacement plate, and the bar-shaped block is provided with lower grooves for holding by a hand at both sides thereof.
10. The electrode conversion tool for the direct current electrical method instrument as claimed in claim 1, wherein an indicator light is provided on the grip portion for displaying the power connection state of the power connection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559090.XA CN112648013A (en) | 2020-12-25 | 2020-12-25 | Electrode conversion tool for direct current method instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559090.XA CN112648013A (en) | 2020-12-25 | 2020-12-25 | Electrode conversion tool for direct current method instrument |
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| CN112648013A true CN112648013A (en) | 2021-04-13 |
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| CN202011559090.XA Pending CN112648013A (en) | 2020-12-25 | 2020-12-25 | Electrode conversion tool for direct current method instrument |
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| CN203928913U (en) * | 2014-06-25 | 2014-11-05 | 方勇 | A kind of initiator of many grades of controls |
| CN105023670A (en) * | 2015-07-30 | 2015-11-04 | 成都中微电微波技术有限公司 | Potentiometer being flexible and tight for adjustment |
| CN105301452A (en) * | 2015-09-21 | 2016-02-03 | 山东科汇电力自动化股份有限公司 | Capacitive transition and voltage control device for testing fault of power cable |
| CN207082389U (en) * | 2017-06-30 | 2018-03-09 | 绍兴市宏发电子有限公司 | A kind of sliding bar-type linear sliding potentiometer |
| CN207082388U (en) * | 2017-06-30 | 2018-03-09 | 绍兴市宏发电子有限公司 | A kind of linear sliding potentiometer |
| CN211503681U (en) * | 2019-11-08 | 2020-09-15 | 金川集团股份有限公司 | Crucible rotation control panel of vacuum induction smelting furnace |
| JP2021102859A (en) * | 2019-12-25 | 2021-07-15 | 三菱電機株式会社 | Vehicle and photographing method |
| CN212008456U (en) * | 2020-04-20 | 2020-11-24 | 山东永妥职业环境检测有限公司 | Rapid switching device for carrier gas of headspace sample injector |
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