CN111276829B - Top open-ended earth connection device - Google Patents
Top open-ended earth connection device Download PDFInfo
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- CN111276829B CN111276829B CN202010084682.4A CN202010084682A CN111276829B CN 111276829 B CN111276829 B CN 111276829B CN 202010084682 A CN202010084682 A CN 202010084682A CN 111276829 B CN111276829 B CN 111276829B
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- arc
- grounding
- shaped end
- contact
- wire device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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Abstract
The invention provides a grounding wire device with an opening at the top end, which comprises: the device comprises an oval grounding head with an opening at the top end, a contact element, a sliding mechanism and an insulating rod; the contact element is accommodated and clamped and fixed in the grounding head and comprises a base body and two contact pieces formed by bending upwards along two ends of the top of the base body, the contact pieces are respectively abutted against and clamped and fixed in the upper part of the grounding head to form a notch for placing a lead or a grounding hanging ring, and the bottom end of the base body is connected with the bottom of the grounding head through two springs; the sliding mechanism is used for opening or closing the grounding opening. The grounding wire device provided by the invention can save time and labor when the grounding wire device is hung, and is safe and convenient.
Description
Technical Field
The invention relates to a grounding wire device, in particular to a grounding wire device with an opening at the top end.
Background
The grounding wire device is a common tool for daily repair and construction of power supply enterprises, and in order to meet the protection requirements of construction and maintenance personnel, the grounding wire device which is hung from top to bottom is frequently used, and the operation requirements of a grounding hanging ring can not be met frequently. Due to the limitation of the grounding hanging ring, a lot of inconvenience exists in the process of assembling and disassembling the grounding wire device:
1. the operation time is long. Present circuit is mostly insulated wire, uses the ground connection link to hang the earth connection device basically, when hanging the earth connection device, needs personnel in suitable position, presss from both sides the earth connection device wire and hangs into the naked position of ground connection link and fix, wastes time and energy.
2. Potential safety hazards exist. When the earth connection device is installed in the maintenance and the construction of power supply enterprise, the time is the heavy work of the tight task of time more, in order to catch up with the time, often need install closely with the ground connection link at the in-process of installing the earth connection device, causes personnel's health to visit outward very easily, leads to the high altitude to fall.
3. The personnel are at risk. When hanging the earthing device, need operating personnel to lift the earthing device highly, make strength draw downwards behind the exceeding bare conductor, just can guarantee that the earthing device hangs and targets in place, and when personnel hung the earthing device, constructor often can stand on the tiptoe to hang for guaranteeing safe distance on the skate, very easily causes the personnel slide bar to fall.
Therefore, it is highly desirable to provide a grounding wire device that can suspend the grounding wire device without wasting time and labor, and achieve the purpose of suspending the grounding wire device in a labor-saving and time-saving manner on the premise of safety.
Disclosure of Invention
The invention aims to provide a grounding wire device with an opening at the top end, which can safely and quickly carry out protective grounding.
The technical scheme adopted by the invention is as follows:
the embodiment of the invention provides a grounding wire device with an opening at the top end, which comprises: the grounding head is an elliptical annular shell, a grounding opening is formed in the top end of the annular shell, the inside of the annular shell is of a hollow structure, and the grounding head comprises a first arc-shaped end and a second arc-shaped end which are symmetrically arranged along the grounding opening, a first vertical end and a second vertical end which are respectively connected with the first arc-shaped end and the second arc-shaped end, and a third arc-shaped end which is connected with the two vertical ends; the insulating rod is connected with the second vertical end and communicated with the second vertical end; the contact element is accommodated and clamped and fixed in the grounding head and comprises a base body and two contact pieces formed by bending upwards along two ends of the top of the base body, the contact pieces are respectively abutted against and clamped and fixed between the first arc-shaped end and the second arc-shaped end to form a notch for placing a lead or a grounding hanging ring, and the bottom end of the base body is connected with the third arc-shaped end through two springs; the sliding mechanism comprises a lock tongue, a spring, a pull rope and a pulling part, and the lock tongue is telescopically arranged in the second arc-shaped end; one end of the spring is connected with the lock tongue, and the other end of the spring is abutted against the end part of the second arc-shaped end and limited in the second arc-shaped end; one end of the pull rope penetrates through the spring to be connected with the lock tongue, and the other end of the pull rope is connected with the pulling piece; the pulling piece is arranged at the lower end of the insulating rod, the insulating rod drives the pull rope to move downwards or upwards along a channel formed by the second arc-shaped end, the second vertical end and the insulating rod by operating the pulling piece, and the lock tongue opens or closes the grounding opening under the action of the spring.
Optionally, the method further comprises: the electricity testing reminding device comprises an electricity testing part and a reminding part, the electricity testing part is arranged on the second vertical end and comprises a metal probe, a shell, two metal sheets arranged in the shell and a passive electronic tag, the two metal sheets are respectively connected with the metal probe, the passive electronic tag comprises an antenna and a chip, the antenna comprises two contact ends which are not electrically connected with each other, and the two metal sheets are respectively opened to be contacted with the corresponding contact ends when the metal probe is contacted with high voltage electricity; the prompting component is arranged in the third arc-shaped end and comprises a controller, and an audible and visual alarm device, a card reader and a power supply which are respectively connected with the controller.
Optionally, the contact ends are spaced upward.
Optionally, an opening angle formed when the two metal sheets are in contact with the contact end is one third to one half of an opening angle when a voltage is normally detected.
Optionally, the power supply is a storage battery.
Optionally, the sliding mechanism further comprises a guide member, and the guide member is disposed at a position where the second arc-shaped end and the second vertical end are connected, and is used for being slidably connected with the pull rope.
Optionally, the guide is a pulley.
Optionally, the guide is an arc-shaped guide block.
The grounding device with the top opening provided by the embodiment of the invention has the advantages that the top end opening of the grounding head of the grounding device, the upper end of the contact piece contacted with the lead or the grounding hanging ring is movably connected with the oval grounding head, and the lower end of the contact piece is elastically contacted with the grounding head, so that the contact piece can move up and down in the grounding head, and the spring bolt can be controlled to open and close the top end opening through the operation of the pulling piece. After the wire or the grounding hanging ring is placed, the pulling piece can be loosened to stretch out the spring bolt to close the top end opening, so that the spring bolt can press the wire or the grounding hanging ring placed on the contact piece, and the wire or the grounding hanging ring is firmly and tightly fixed in the oval grounding head.
Drawings
Fig. 1 is a schematic structural diagram of an open-top ground wire device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electrical component of an open-top ground wire apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view of a state of use of the open-top ground wire device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, an embodiment of the present invention provides a grounding wire device with an open top, including: the grounding head 1 is an oval annular shell, a grounding opening 4 is formed at the top end of the annular shell, the inside of the annular shell is of a hollow structure, and the grounding head comprises a first arc-shaped end 5 and a second arc-shaped end 6 which are symmetrically arranged along the grounding opening 4, a first vertical end 7 and a second vertical end 8 which are respectively connected with the first arc-shaped end 5 and the second arc-shaped end 6, and a third arc-shaped end 9 which is connected with the first vertical end 7 and the second vertical end 8; the insulating rod 3 is connected with the second vertical end 8 and communicated with the second vertical end 8; the contact element 2 is accommodated and clamped and fixed in the grounding head 1 and comprises a base body 10 and two contact pieces 11 formed by bending upwards along two ends of the top of the base body 10, the contact pieces 11 are respectively abutted against and clamped and fixed between the first arc-shaped end 5 and the second arc-shaped end 6 to form a notch 12 for placing a wire or a grounding hanging ring, and the bottom end of the base body 10 is connected with the third arc-shaped end 9 through two springs 13. The sliding mechanism comprises a bolt 14, a spring 15, a pull rope 16 and a pulling part 17, the bolt 14 is telescopically arranged in the second arc-shaped end 6, one end of the spring 15 is connected with the bolt 14, and the other end of the spring abuts against the end part of the second arc-shaped end 6 and is limited in the second arc-shaped end 6; one end of the pull rope 16 passes through the spring 15 and is connected with the bolt 14, and the other end of the pull rope is connected with the pulling piece 17; the insulating rod and the pulling part 17 are arranged at the lower end of the insulating rod, and the pulling part 17 is operated to drive the pull rope 16 to move downwards or upwards along a channel formed by the second arc-shaped end 6, the second vertical end 8 and the insulating rod 3, so that the lock tongue 14 opens or closes the grounding opening 4 under the action of the spring 15.
In an embodiment of the present invention, the ground connector 2 may be an annular housing made of a strong and durable stainless steel material. The first and second arc-shaped ends and the contact pieces may be configured to cooperate with each other to form a circular or oval mounting opening suitable for fixing a wire or ground suspension loop, i.e., a circular or oval recess 12 formed between the two contact pieces 11, so as to firmly fix the wire or ground suspension loop. The distance between the uppermost ends of the two contact pieces 11 may be substantially equal to the width of the ground opening 4 so as to be firmly caught between the first arc-shaped end and the second arc-shaped end. The two contact plates 11 can be moved up and down under pressure by means of two springs 13 with the third arc-shaped end 9 to make a closer contact with the wire or the grounding suspension loop.
In an embodiment of the present invention, the grounding wire device with an open top further includes: test electric reminding device, test electric reminding device is including testing electric part and suggestion part, as shown in fig. 2, it sets up to test electric part on the vertical end 8 of second, include metal probe 19, casing 20 and set up sheetmetal 21, passive electronic tags 22 in the casing 20, sheetmetal 21 includes two, respectively with metal probe 19 connects, passive electronic tags includes antenna 23 and chip 24, antenna 23 includes two contact jaw 25 that do not have the electricity to be connected each other, and two sheetmetals are in when metal probe contacts the high-tension electricity, open respectively and contact jaw contact with corresponding.
In the embodiment of the present invention, the housing 20 is detachably connected to the second vertical end 8, and any structure that is known in the art can be used for the detachable connection, and the present invention is not particularly limited. Before the grounding work is carried out, the high-voltage wire can be tested by the electricity testing component to prevent accidents. The housing 20 may be made of an insulating material. A metal probe 19 is connected to the upper end of the housing 20 for contact with a high voltage line. The metal sheet 21 may be connected to the bottom metal of the metal probe 19, and may be formed integrally or by welding. The passive electronic tag 22 may be affixed inside the housing 20, for example, by an insulating plate. When the metal probe 19 is not in contact with the high voltage line, the two metal sheets 21 are in a state of being close to each other, as shown by the dotted line in fig. 2, and when the metal probe 19 is in contact with the high voltage line, the two metal sheets 21 are in an open state, as shown by the solid line in fig. 2, and at this time, the two metal sheets 21 are respectively open to be in contact with the two contact terminals of the antenna 23 of the passive electronic tag 22.
In one embodiment of the invention, the two contact ends 25 are spaced upwardly. When the two contact terminals 25 are set such that the antenna 23 cannot supply power to the chip 24 when the two contact terminals are not electrically connected, the antenna 23 can supply power to the chip 24 when the two contact terminals 25 are electrically connected; it should be understood by those skilled in the art that any design that satisfies the above-described functions falls within the scope of the present invention. In addition, in an embodiment of the present invention, the interval between the two contact terminals of the antenna 23 is set such that the opening angle formed when the two metal sheets 21 are in contact with the corresponding contact terminals is one third to one half of the opening angle when the voltage is normally detected, so that the metal sheets 21 can be in closer contact with the contact terminals 25 during the electricity testing. In a preferred example, the open angle formed when the two metal sheets 21 are in contact with the corresponding contact terminals is one third of the open angle when the voltage is normally detected, and in another preferred example, the open angle formed when the two metal sheets 21 are in contact with the corresponding contact terminals is one half of the open angle when the voltage is normally detected.
In the embodiment of the present invention, the prompting component (not shown) may include a controller disposed in the third arc-shaped end 9, and an audible and visual alarm device, a card reader and a power supply respectively connected to the controller. The controller may be an existing device such as a single chip. The sound and light alarm device can be an existing buzzer and a light-emitting element, such as a bulb or an LED lamp bead. The card reader may be of an existing structure, and the power supply may be configured to provide power to the controller, the audible and visual alarm device, and the card reader, and in one example, the card reader may be a battery, and the battery may be a rechargeable lithium battery, and for this reason, a lithium battery charging interface may be disposed on the third arc-shaped end.
In the embodiment of the invention, the card reader is used for reading the data of the passive electronic tag and sending the read data to the controller, and the controller can control the operation of the audible and visual alarm device according to the signal received from the card reader. Specifically, the working principle of the electricity verification reminding device in the embodiment of the invention can be as follows: when the contact element 2 is not in contact with a high-voltage line, the metal sheet 21 is not in contact with the antenna 23, namely the antenna 23 of the passive electronic tag is in a disconnected state, at the moment, the passive electronic tag cannot be detected by the card reader, the input received by the controller from the card reader is '0', at the moment, the controller controls the sound-light alarm device to be out of work, namely the buzzer is controlled not to sound, and the LED lamp bead is controlled not to emit light. When the contact element 2 is in contact with a high-voltage line, the metal sheet 21 is opened under the action of electric power to be in contact with the antenna 21, namely the antenna 23 of the passive electronic tag is in a connection state, at the moment, the card reader can detect the passive electronic tag, the input received by the controller from the card reader is '1', at the moment, the controller controls the acousto-optic alarm device to work, namely, the buzzer to sound, and the LED lamp bead to emit light.
In an embodiment of the present invention, the sliding mechanism further includes a guiding element 18, and the guiding element 18 is disposed at a position where the second arc-shaped end 6 and the second vertical end 8 are connected, and is used for being slidably connected with the pulling rope 16, so that the pulling rope 16 can conveniently pull the lock tongue 14, and a labor saving effect is achieved. The present invention is not limited to a specific structure of the guide 18, and any structure may be used as long as it can provide a guide function for the cord 16 to save labor. In one example, the guide 18 may be a pulley. In one example, the guide 18 may be an arcuate guide block.
In the embodiment of the present invention, the insulating rod 3 may be connected to the second vertical end 8 by a bolt, and the bottom of the insulating rod 3 is a structure suitable for holding. The pull cord 16 may be an insulated cord of a strong, wear-resistant, insulating material. In one example, the pull member 17 may be a handle structure. The handle may be pressed downward to open the locking bolt 14. In one example, a fixing member for fixing a handle is provided outside the insulating rod 3. The handle can comprise a connecting end and an operating end, wherein the connecting end extends into the insulating rod to be connected with the pull rope 16 and penetrates through the insulating rod to be rotatably connected with the fixing piece through the connecting shaft. Like this, through the operating end of pressing the handle downwards, can drive stay cord 16 downstream to pulling spring bolt 14 and withdrawing in second arc end 6 in order to open ground connection opening 4, putting into wire or ground connection link after, loosening the handle, spring bolt 14 can seal ground connection opening 4 and tightly press on wire or ground connection link under the spring force effect of spring, realizes the fastening connection of wire or ground connection link.
When the grounding wire device with the top opening of the invention is used for grounding work, workers climb the rod to the proper position of the suspension grounding wire device for ensuring the safe distance to lift the grounding wire device, the spring is pulled by the pull rope to lead the lock tongue to retract into the second arc-shaped end of the grounding head by pulling the pull piece downwards so as to open the opening at the top end, then a lead or a grounding hanging ring is put between the two contact sheets, the put lead or the grounding hanging ring can compress a spring at the bottom of the contact piece, leads with different wire diameters enter the installation openings formed by the first arc-shaped end, the second arc-shaped end and the contact sheets, then the pulling piece is released, the spring retracts to enable the lock tongue to extend out of the second arc-shaped end and extend into the first arc-shaped end, thereby closing the top end opening, so that the bottom of the bolt can press the wire or the grounding suspension loop placed on the contact element, and the wire or the grounding suspension loop is firmly and tightly fixed in the oval grounding head.
To sum up, in the ground wire device with an open top according to the embodiment of the present invention, since the top end of the ground lug is open, the upper end of the contact element contacting with the conductive wire or the ground suspension loop is movably connected to the oval ground lug, and the lower end of the contact element is elastically contacted to the ground lug, the contact element can move up and down in the ground lug, and the latch tongue can be controlled to open and close the top end opening by the operation of the pull element, therefore, when the ground is performed, the pull element can be pulled down to retract the latch tongue into the ground lug to open the top end opening, and then the conductive wire or the ground suspension loop is placed on the contact element, since the contact element can move up and down along the ground lug, the mounting port formed by the contact piece and the ground lug can change along with the size of the conductive wire or the ground suspension loop, thereby being suitable for fixing the conductive wires. After the conducting wire or the grounding hanging ring is placed, the pulling piece is loosened, the spring bolt is stretched out to close the top end opening, and therefore the spring bolt can press the conducting wire or the grounding hanging ring placed on the contact piece, so that the conducting wire or the grounding hanging ring is firmly and tightly fixed in the oval grounding head.
The above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An open-top ground wire device, comprising: the grounding head is an elliptical annular shell, a grounding opening is formed in the top end of the annular shell, the inside of the annular shell is of a hollow structure and comprises a first arc-shaped end and a second arc-shaped end which are symmetrically arranged along the grounding opening, a first vertical end and a second vertical end which are respectively connected with the first arc-shaped end and the second arc-shaped end, and a third arc-shaped end which is connected with the first vertical end and the second vertical end; the insulating rod is connected with the second vertical end and communicated with the second vertical end; the contact element is accommodated and clamped and fixed in the grounding head and comprises a base body and two contact pieces formed by bending upwards along two ends of the top of the base body, the contact pieces are respectively abutted against and clamped and fixed between the first arc-shaped end and the second arc-shaped end to form a notch for placing a lead or a grounding hanging ring, and the bottom end of the base body is connected with the third arc-shaped end through two first springs; the sliding mechanism comprises a lock tongue, a second spring, a pull rope and a pulling part, and the lock tongue is telescopically arranged in the second arc-shaped end; one end of the second spring is connected with the lock tongue, and the other end of the second spring is abutted against the end part of the second arc-shaped end and limited in the second arc-shaped end; one end of the pull rope penetrates through the second spring to be connected with the lock tongue, and the other end of the pull rope is connected with the pulling piece; the pull piece is arranged at the lower end of the insulating rod, and the insulating rod drives the pull rope to move downwards or upwards along a channel formed by the second arc-shaped end, the second vertical end and the insulating rod by operating the pull piece, so that the lock tongue opens or closes the grounding opening under the action of the second spring;
further comprising: test electric reminding device, it is in including testing electric part and suggestion part to test electric part, it sets up to test electric part the vertical serving of second, be in including metal probe, casing and setting metal sheet, passive electronic tags in the casing, the metal sheet includes two, respectively with metal probe connects, passive electronic tags includes antenna and chip, the antenna includes two contact jaw that do not have the electricity to be connected each other, and two metal sheets are in when metal probe contacts the high-tension electricity, open respectively and contact jaw contact with corresponding.
2. The grounding wire device as claimed in claim 1, wherein the prompting member is disposed in the third arc-shaped end and comprises a controller, and an audible and visual alarm device, a card reader and a power supply which are respectively connected with the controller.
3. The ground wire device according to claim 2, wherein the contact ends are spaced apart.
4. The grounding wire device according to claim 2, wherein the power supply source is a battery.
5. The ground wire device according to claim 1, wherein the sliding mechanism further comprises a guide member provided at a position where the second arc-shaped end and the second vertical end are connected, for sliding connection with the pulling rope.
6. The ground wire device of claim 5, wherein the guide is a pulley.
7. The ground wire assembly of claim 5 wherein said guide member is an arcuate guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084682.4A CN111276829B (en) | 2020-02-10 | 2020-02-10 | Top open-ended earth connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084682.4A CN111276829B (en) | 2020-02-10 | 2020-02-10 | Top open-ended earth connection device |
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| Publication Number | Publication Date |
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| CN111276829A CN111276829A (en) | 2020-06-12 |
| CN111276829B true CN111276829B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010084682.4A Active CN111276829B (en) | 2020-02-10 | 2020-02-10 | Top open-ended earth connection device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888532A (en) * | 2019-04-16 | 2019-06-14 | 国网江苏省电力有限公司太仓市供电分公司 | A kind of short-circuit grounding wire temporarily locked out |
| CN209016298U (en) * | 2018-12-18 | 2019-06-21 | 国网辽宁省电力有限公司葫芦岛供电公司 | Play pull-type ground wire hitching head |
| CN209730201U (en) * | 2019-05-20 | 2019-12-03 | 国网山西省电力公司长治供电公司 | A kind of ground connection bar |
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2020
- 2020-02-10 CN CN202010084682.4A patent/CN111276829B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209016298U (en) * | 2018-12-18 | 2019-06-21 | 国网辽宁省电力有限公司葫芦岛供电公司 | Play pull-type ground wire hitching head |
| CN109888532A (en) * | 2019-04-16 | 2019-06-14 | 国网江苏省电力有限公司太仓市供电分公司 | A kind of short-circuit grounding wire temporarily locked out |
| CN209730201U (en) * | 2019-05-20 | 2019-12-03 | 国网山西省电力公司长治供电公司 | A kind of ground connection bar |
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| CN111276829A (en) | 2020-06-12 |
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