CN211150831U - Portable grounding device for testing electricity - Google Patents
Portable grounding device for testing electricity Download PDFInfo
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- CN211150831U CN211150831U CN201922481411.8U CN201922481411U CN211150831U CN 211150831 U CN211150831 U CN 211150831U CN 201922481411 U CN201922481411 U CN 201922481411U CN 211150831 U CN211150831 U CN 211150831U
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Abstract
The utility model relates to a power equipment technical field specifically discloses a portable electricity earthing device that tests, include: an insulating rod body; a handle; a pull wire; the grounding metal head comprises a tongue plate and an inverted U-shaped hook; the compression spring is used for driving the tongue plate to be close to the second vertical plate so as to clamp the wire to be grounded; the handle is used for driving the upper end of the tongue plate to rotate in the direction away from the second vertical plate through the pull wire; the upper end of the grounding copper wire is electrically connected with the grounding metal head; the electricity testing device comprises a control box fixed at the top of the grounding metal head, a non-contact voltage transformer electrically connected with the control box and an alarm device used for sending warning information. The utility model provides a portable electricity earthing device of testing must carry out the problem of twice lifting operation when solving traditional earthing device ground connection.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a portable electricity earthing device that tests.
Background
Before the operation such as maintenance and the like is carried out on a line, grounding is needed, and in order to prevent live grounding, electricity needs to be tested before grounding, namely the current maintenance process is as follows:
① disconnecting the isolating switch of the line to be repaired by the operation and maintenance personnel;
②, using an electroscope with a contact electroscope to conduct contact electroscopy on the line to be overhauled, and ensuring that the line to be overhauled is in an uncharged state;
③ hanging the grounding rod with grounding wire on the circuit to be maintained to complete grounding;
④ the line to be repaired is repaired.
Fortune dimension personnel must lift up earlier before articulating the ground wire and test the electric stick, confirm that can lift up the earth bar after electroless and carry out ground connection, this process need include twice lift operation, one can occupy the repair time, lead to fortune dimension personnel's work efficiency to reduce, two lead to fortune dimension personnel to feel tired out easily, especially under strong wind condition, test the length of electric stick and earth bar all longer, twice lift the operation and can consume a large amount of physical power of fortune dimension personnel, direct influence grounding quality.
Therefore, there is a need for an improved grounding device to solve the problem that two lifting operations are necessary when grounding.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable electricity earthing device of testing must carry out the problem of twice lifting operation when solving traditional earthing device ground connection.
For reaching above purpose, the utility model provides a portable electricity earthing device that tests, include:
an insulating rod body;
the handle is hinged with the insulating rod body;
one end of the pull wire is connected with the handle;
the grounding metal head comprises a tongue plate and an inverted U-shaped hook fixed at the top of the insulating rod body;
the inverted U-shaped hook comprises a first vertical plate and a second vertical plate which are arranged in parallel; the lower end of the tongue plate is hinged with the lower end of the first vertical plate, a compression spring is arranged between the upper end of the tongue plate and the upper end of the first vertical plate, and the compression spring is used for driving the upper end of the tongue plate to be close to the second vertical plate so as to clamp a wire to be grounded, which is positioned between the tongue plate and the second vertical plate; the other end of the pull wire penetrates through the first vertical plate and is fixedly connected with the upper end of the tongue plate, and the handle is used for driving the upper end of the tongue plate to rotate in the direction far away from the second vertical plate through the pull wire;
the upper end of the grounding copper wire is electrically connected with the grounding metal head;
the electricity testing device comprises a control box fixed at the top of the grounding metal head, a non-contact voltage transformer electrically connected with the control box and an alarm device used for sending warning information.
Preferably, the alarm device comprises a flashlight and a voice announcer.
Preferably, the control box is further provided with a power switch for controlling the electricity testing device to start and stop.
Preferably, an insulating base is arranged between the electricity testing device and the grounding metal head.
Preferably, the reverse U-shaped hook is provided with a fixed pulley, and the pull wire is in rolling connection with the fixed pulley.
Preferably, the method further comprises the following steps:
the magnetic male connector comprises a right-angle conducting rod fixedly connected with the inverted U-shaped hook and a copper insert block fixedly connected to the other end of the right-angle conducting rod, a magnetic ring is arranged on the outer side of the copper insert block, and a male insulating main body is arranged between the magnetic ring and the copper insert block;
the magnetic female joint comprises a female insulation main body, the top of the female insulation main body is provided with a slot for the copper insertion block to insert, the bottom of the slot is provided with a copper stop block used for being electrically connected with the copper insertion block, and the outer side of the copper stop block is provided with an iron ring used for being magnetically connected with the magnetic ring; the grounding copper wire is fixedly connected with the copper stop block.
Preferably, the male insulating body is further hinged with a semicircular locking ring;
when the copper insert block is inserted into the slot, the semicircular locking ring comprises an upper semicircular baffle plate positioned above the male insulating body, a lower semicircular baffle plate positioned below the female insulating body and a vertical arc-shaped plate connecting the upper semicircular baffle plate and the lower semicircular baffle plate; the upper semi-ring baffle, the lower semi-ring baffle and the vertical arc-shaped plate form a semi-ring groove for the male insulation main body and the female insulation main body to be inserted into.
Preferably, the method further comprises the following steps:
the portable electric wire rewinding box is internally provided with an electric wire roller, and one end of the grounding copper wire penetrates through the upper part of the portable electric wire rewinding box and is connected with the magnetic female joint; the other end of the wire-winding box penetrates through the lower part of the portable electric wire-winding box and is connected with a grounding electrode.
Preferably, the side of the portable electric wire rewinding box is provided with a telescopic pull rod, and the bottom of the portable electric wire rewinding box is provided with two fixed support legs and two universal rollers.
The beneficial effects of the utility model reside in that: the utility model provides a portable electricity earthing device that tests, when needs ground connection, lift up the ground connection metal head through the insulating bar body: if the operation and maintenance personnel forget to turn off the isolating switch or the to-be-grounded conducting wire to be grounded is electrified due to other reasons, the non-contact voltage transformer is arranged at the top of the inverted U-shaped hook, so that the non-contact voltage transformer does not need to contact the to-be-grounded conducting wire, the to-be-grounded conducting wire can be detected to be electrified once the to-be-grounded conducting wire enters a detection range, and the alarm device sends out alarm information to remind the operation and maintenance personnel to stop grounding operation; if non-contact voltage transformer does not sense voltage, it is described that the to-be-grounded conductor is not electrified, and the to-be-grounded conductor can be grounded, an operation and maintenance person pulls the handle to pull the stay wire in a tensioning manner, the distance between the tongue plate and the second vertical plate is increased, the to-be-grounded conductor is positioned between the second vertical plate and the tongue plate, then the handle is loosened, the tongue plate and the second vertical plate are clamped by the compression spring to clamp the to-be-grounded conductor, and the to-be-grounded conductor is grounded by. Whole ground connection process, electricity testing and two operations of ground connection are accomplished in a lifting operation, need not to divide twice lifting operation, can improve fortune dimension personnel's work efficiency, can reduce the consumption to fortune dimension personnel physical power again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an insulating rod according to an embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic sectional view of the magnetic male and female connectors of the embodiment shown in the drawings with the semi-circular locking ring open;
FIG. 4 is a top schematic view of the embodiment providing a magnetic male connector inserted into a half-ring groove of a semi-circular locking ring;
FIG. 5 is a top schematic view of the magnetic male connector of the present embodiment shown disengaged from the half-ring groove of the semi-circular locking ring;
fig. 6 is a schematic structural view of the portable electric wire rewinding box according to the embodiment.
In the figure:
1. an insulating rod body;
2. a handle;
3. a pull wire;
4. a grounded metal head; 401. a tongue plate; 402. an inverted U-shaped hook; 4021. a first vertical plate; 4022. a second vertical plate; 403. a compression spring;
5. a ground copper line;
6. an electroscopic device; 601. a control box; 6011. a power switch; 602. a non-contact voltage transformer; 603. a flash lamp; 604. a voice broadcaster;
7. an insulating base;
8. a fixed pulley;
9. a magnetic male connector; 901. a right-angle conductive rod; 902. a copper insert; 903. a magnetic ring; 904. a male insulating body;
10. a magnetic female joint; 1001. a female insulating body; 1002. a slot; 1003. a copper stop block; 1004. an iron ring;
11. a semicircular locking ring; 1101. an upper semi-ring baffle; 1102. a lower half ring baffle; 1103. a vertical arc plate; 1104. a hand-pinching part; 1105. an anti-slip boss; 1106. a half ring groove;
12. a portable electric wire collection box; 1201. an electric wire roller; 1202. a telescopic pull rod; 1203. a fixed leg; 1204. a universal roller;
13. and (4) a wire to be grounded.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present embodiment provides a portable electricity testing grounding device, which includes an insulating rod 1, a handle 2, a pull wire 3, a grounding metal head 4, a grounding copper wire 5, and an electricity testing device 6. The handle 2 is hinged with the insulating rod body 1. One end of the pull wire 3 is connected with the handle 2. The grounding metal head 4 comprises a tongue plate 401 and an inverted U-shaped hook 402 fixed on the top of the insulating rod body 1. The inverted U-shaped hook 402 comprises a first riser 4021 and a second riser 4022 which are arranged in parallel; the lower end of the tongue plate 401 is hinged to the lower end of the first vertical plate 4021, a compression spring 403 is arranged between the upper end of the tongue plate 401 and the upper end of the first vertical plate 4021, and the compression spring 403 is used for driving the upper end of the tongue plate 401 to be close to the second vertical plate 4022 so as to clamp the to-be-grounded wire 13 located between the tongue plate 401 and the second vertical plate 4022; the other end of the pull wire 3 penetrates through the first vertical plate 4021 and is fixedly connected with the upper end of the tongue plate 401, and the handle 2 is used for driving the upper end of the tongue plate 401 to rotate in a direction away from the second vertical plate 4022 through the pull wire 3. The upper end of the grounding copper wire 5 is electrically connected with the grounding metal head 4. The electricity testing device 6 comprises a control box 601 fixed on the top of the grounding metal head 4, a non-contact voltage transformer 602 electrically connected with the control box 601 and an alarm device used for sending warning information.
The portable electricity grounding device of testing that this embodiment provided when needs ground connection, lifts up grounding metal head 4 through insulating barred body 1: if the operation and maintenance personnel forget to turn off the isolating switch or the to-be-grounded lead 13 to be grounded is electrified due to other reasons, the non-contact voltage transformer 602 is arranged at the top of the inverted U-shaped hook 402, so that the non-contact voltage transformer 602 does not need to contact the to-be-grounded lead 13, once the to-be-grounded lead 13 enters a detection range, the electrification of the to-be-grounded lead 13 can be detected, and the alarm device sends out alarm information to remind the operation and maintenance personnel to stop the grounding operation; if the non-contact voltage transformer 602 does not sense the voltage, it is described that the to-be-grounded wire 13 is not charged, the to-be-grounded wire can be grounded, the operation and maintenance personnel pull the handle 2 to tension the pull wire 3, the distance between the tongue plate 401 and the second vertical plate 4022 is increased, the to-be-grounded wire 13 is positioned between the second vertical plate 4022 and the tongue plate 401, then the handle 2 is loosened, the tongue plate 401 and the second vertical plate 4022 clamp the to-be-grounded wire 13 by the compression spring 403, and the to-be-grounded wire 13 is grounded by passing through the grounded copper wire 5. Whole ground connection process, electricity testing and two operations of ground connection are accomplished in a lifting operation, need not to divide twice lifting operation, can improve fortune dimension personnel's work efficiency, can reduce the consumption to fortune dimension personnel physical power again.
Optionally, the alarm device includes a flash 603 and a voice announcer 604.
Preferably, the alarm device is electrically connected to the contactless voltage transformer 602 through the control box 601. If the contactless voltage transformer 602 does not sense a voltage, the flash lamp 603 flashes green light, and the voice announcer 604 cyclically announces an alert tone such as "no voltage detected". If the non-contact voltage transformer 602 senses voltage, the flash lamp 603 flashes red light, and the voice broadcaster 604 broadcasts a warning sound such as "danger of electrification, stop grounding" in a circulating manner.
Optionally, a power switch 6011 for controlling the on/off of the electricity testing device 6 is further disposed on the control box 601.
Specifically, before the insulating rod body is lifted, the power switch 6011 should be turned on, otherwise, the electricity testing function cannot be realized.
In this embodiment, an insulating base 7 is disposed between the electricity testing device 6 and the grounding metal head 4.
It will be appreciated that the insulating base 7 prevents the electroscope 6 from interfering with the grounded metal head 4.
Preferably, the inverted U-shaped hook 402 is provided with a fixed pulley 8, and the pull wire 3 is in rolling connection with the fixed pulley 8.
Specifically, the fixed pulley 8 is used to change the direction of the pulling wire 3 so that the pulling wire 3 extends from the handle 2 to the side of the tongue plate 401 away from the second riser 4022.
The portable electroscopic earthing device also comprises a magnetic male connector 9 and a magnetic female connector 10. The magnetic male joint 9 comprises a right-angle conducting rod 901 fixedly connected with the inverted U-shaped hook 402 and a copper insert 902 fixedly connected with the other end of the right-angle conducting rod 901, a magnetic ring 903 is arranged on the outer side of the copper insert 902, and a male insulating main body 904 is arranged between the magnetic ring 903 and the copper insert 902. The magnetic female joint 10 comprises a female insulating body 1001, wherein the top of the female insulating body 1001 is provided with a slot 1002 into which the copper insert 902 is inserted, the bottom of the slot 1002 is provided with a copper stopper 1003 used for being electrically connected with the copper insert 902, and the outer side of the copper stopper 1003 is provided with an iron ring 1004 used for being magnetically connected with the magnetic ring 903; the grounding copper wire 5 is fixedly connected with the copper stopper 1003.
It can be understood that the magnetic male connector 9 is fixed to the inverted U-shaped hook 402, and in use, only the magnetic female connector 10 fixed to the grounding copper wire 5 needs to be close to the magnetic male connector 9, the copper insert 902 is inserted into the slot 1002 and contacts with the copper stopper 1003, and the inverted U-shaped hook 402 is electrically connected with the grounding copper wire 5 sequentially through the right-angle conductive rod 901, the copper insert 902 and the copper stopper 1003. The magnetic ring 903 is magnetically connected with the iron ring 1004, so that the assembly and disassembly are convenient.
The male insulating body 904 is also hinged with a semicircular locking ring 11. When the copper insert 902 is inserted into the slot 1002, the semi-circular locking ring 11 comprises an upper semi-ring baffle 1101 located above the male insulating body 904, a lower semi-ring baffle 1102 located below the female insulating body 1001, and a vertical arc 1103 connecting the upper semi-ring baffle 1101 and the lower semi-ring baffle 1102; the upper half ring baffle 1101, the lower half ring baffle 1102, and the vertical arcs 1103 form half ring slots 1106 into which the male and female insulating bodies 904, 1001 may be inserted.
Preferably, the vertical arc plate 1103 is provided with a hand grip 1104. Specifically, pinching the pinch portion 1104 may rotate the semicircular locking ring 11. It should be noted that the magnetic connection between the magnetic ring 903 and the iron ring 1004 is easily disturbed by external force to separate the magnetic male connector 9 and the magnetic female connector 10, especially when the ground copper wire 5 is heavy, therefore, after the magnetic male connector 9 is inserted into the magnetic female connector 10, the semicircular locking ring 11 can be rotated to insert the male insulating body 904 and the female insulating body 1001 into the semicircular groove 1106, the upper semicircular baffle 1101 and the lower semicircular baffle 1102 can strongly restrict the vertical connection between the magnetic male connector 9 and the magnetic female connector 10, and the magnetic male connector 9 and the magnetic female connector 10 are not easily separated.
Optionally, anti-slip bosses 1105 are disposed on the bottom of the upper half-ring baffle 1101 and the top of the lower half-ring baffle 1102.
The portable electricity testing grounding device further comprises a portable electric wire rewinding box 12, an electric wire roller 1201 is arranged inside the electric wire rewinding box, and one end of the grounding copper wire 5 penetrates through the upper part of the portable electric wire rewinding box 12 to be connected with the magnetic female connector 10; the other end of the wire is connected with the grounding electrode through the lower part of the portable electric wire rewinding box 12.
Specifically, the grounding copper wire 5 is heavy, and particularly when the length is long, the portable electric wire rewinding box 12 can realize electric wire rewinding and rewinding, so that the workload of operation and maintenance personnel is reduced.
The side of the portable electric wire rewinding box 12 is provided with a telescopic pull rod 1202, and the bottom of the portable electric wire rewinding box is provided with two fixed support legs 1203 and two universal rollers 1204.
Specifically, the portable electric wire rewinding box 12 is convenient for the operation and maintenance personnel to pull the portable electric wire rewinding box 12 for moving operation, and the fixing support legs 1203 conveniently realize the fixing of the portable electric wire rewinding box 12.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A portable electroscopic grounding device, comprising:
an insulating rod body;
the handle is hinged with the insulating rod body;
one end of the pull wire is connected with the handle;
the grounding metal head comprises a tongue plate and an inverted U-shaped hook fixed at the top of the insulating rod body;
the inverted U-shaped hook comprises a first vertical plate and a second vertical plate which are arranged in parallel; the lower end of the tongue plate is hinged with the lower end of the first vertical plate, a compression spring is arranged between the upper end of the tongue plate and the upper end of the first vertical plate, and the compression spring is used for driving the upper end of the tongue plate to be close to the second vertical plate so as to clamp a wire to be grounded, which is positioned between the tongue plate and the second vertical plate; the other end of the pull wire penetrates through the first vertical plate and is fixedly connected with the upper end of the tongue plate, and the handle is used for driving the upper end of the tongue plate to rotate in the direction far away from the second vertical plate through the pull wire;
the upper end of the grounding copper wire is electrically connected with the grounding metal head;
the electricity testing device comprises a control box fixed at the top of the grounding metal head, a non-contact voltage transformer electrically connected with the control box and an alarm device used for sending warning information.
2. The portable electroscopic grounding device according to claim 1, wherein said alarm device includes a flashlight and a voice announcer.
3. The portable electricity testing grounding device of claim 1, wherein a power switch for controlling the on/off of the electricity testing device is further arranged on the control box.
4. The portable electroscopic grounding device according to claim 1, wherein an insulating base is provided between said electroscopic device and said grounding metal head.
5. The portable electroscopic grounding device according to claim 1, wherein a fixed pulley is provided on the inverted U-shaped hook, and the pull wire is in rolling connection with the fixed pulley.
6. The portable electroscopic grounding device of claim 1, further comprising:
the magnetic male connector comprises a right-angle conducting rod fixedly connected with the inverted U-shaped hook and a copper insert block fixedly connected to the other end of the right-angle conducting rod, a magnetic ring is arranged on the outer side of the copper insert block, and a male insulating main body is arranged between the magnetic ring and the copper insert block;
the magnetic female joint comprises a female insulation main body, the top of the female insulation main body is provided with a slot for the copper insertion block to insert, the bottom of the slot is provided with a copper stop block used for being electrically connected with the copper insertion block, and the outer side of the copper stop block is provided with an iron ring used for being magnetically connected with the magnetic ring; the grounding copper wire is fixedly connected with the copper stop block.
7. The portable electroscopic grounding device according to claim 6, wherein said male insulating body is further hinged with a semicircular locking ring;
when the copper insert block is inserted into the slot, the semicircular locking ring comprises an upper semicircular baffle plate positioned above the male insulating body, a lower semicircular baffle plate positioned below the female insulating body and a vertical arc-shaped plate connecting the upper semicircular baffle plate and the lower semicircular baffle plate; the upper semi-ring baffle, the lower semi-ring baffle and the vertical arc-shaped plate form a semi-ring groove for the male insulation main body and the female insulation main body to be inserted into.
8. The portable electroscopic grounding device of claim 6, further comprising:
the portable electric wire rewinding box is internally provided with an electric wire roller, and one end of the grounding copper wire penetrates through the upper part of the portable electric wire rewinding box and is connected with the magnetic female joint; the other end of the wire-winding box penetrates through the lower part of the portable electric wire-winding box and is connected with a grounding electrode.
9. The portable electricity testing grounding device of claim 8, wherein the portable electric wire collection box is provided with a telescopic pull rod on the side surface and two fixed support legs and two universal rollers on the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481411.8U CN211150831U (en) | 2019-12-31 | 2019-12-31 | Portable grounding device for testing electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481411.8U CN211150831U (en) | 2019-12-31 | 2019-12-31 | Portable grounding device for testing electricity |
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| Publication Number | Publication Date |
|---|---|
| CN211150831U true CN211150831U (en) | 2020-07-31 |
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ID=71756553
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922481411.8U Active CN211150831U (en) | 2019-12-31 | 2019-12-31 | Portable grounding device for testing electricity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485500A (en) * | 2020-11-20 | 2021-03-12 | 榆林学院 | Multifunctional electroscope for electroscopy and hanging on grounding wire |
| US11817665B2 (en) | 2021-01-29 | 2023-11-14 | Quanta Associates, L.P. | Spring loaded ground clamp |
-
2019
- 2019-12-31 CN CN201922481411.8U patent/CN211150831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485500A (en) * | 2020-11-20 | 2021-03-12 | 榆林学院 | Multifunctional electroscope for electroscopy and hanging on grounding wire |
| CN112485500B (en) * | 2020-11-20 | 2024-02-23 | 榆林学院 | Multifunctional electroscope for electroscope and hanging ground wire |
| US11817665B2 (en) | 2021-01-29 | 2023-11-14 | Quanta Associates, L.P. | Spring loaded ground clamp |
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