CN213878479U

CN213878479U - Grounding conductive protection device for cable maintenance

Info

Publication number: CN213878479U
Application number: CN202022897742.2U
Authority: CN
Inventors: 罗玉娟
Original assignee: Sichuan Xingji Power Equipment Co ltd
Current assignee: Sichuan Xingji Power Equipment Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-03
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a cable overhauls uses ground connection electrically conductive protection device, include: the grounding device comprises a conductive hook, a grounding component and a connecting wire; the conductive hook includes: the hook comprises a hook main body, a mounting sleeve and a hooking sensor; the hook main body is provided with an arc-shaped hanging groove, and the hooking sensor outputs a first sensing signal when sensing that a cable is embedded in the arc-shaped hanging groove in a clamping manner; the grounding assembly includes: the device comprises a grounding pin, a depth induction sensor, an induction box and an induction cover; the grounding pin passes through the through holes on the induction box and the induction cover and then is exposed out of the induction box and inserted into the ground; in the process that the grounding pin is inserted into the ground, the depth sensing sensor is triggered to output a second sensing signal under the condition that the sensing cover is pushed by ground soil. This cable overhauls uses ground connection electric conduction protection device, through articulating sensor and degree of depth induction sensor, whether the contact situation and the earthing pin of real-time supervision conductive hook and cable insert the subaerial degree of depth and change, guide the maintainer to work under safe operational environment, avoid the injury of electrocution.

Description

Grounding conductive protection device for cable maintenance

Technical Field

The utility model relates to a power equipment field specifically, relates to a cable overhauls uses ground connection electrically conductive protection device.

Background

In the electric power system overhauls, in order to guarantee maintainer's personal safety, articulate electrically conductive couple on overhauing the cable, insert the earth bar on ground, connect electrically conductive couple and earth bar through the wire, even at the circuit maintenance in-process like this, have the electric current to flow through the cable suddenly and also can pass through electrically conductive couple with the electric current and send the leading-in underground behind the earth bar to the wire and release, avoid maintainer to electrocute.

In actual operation, often can appear between electrically conductive couple and the cable contact unstability and the maintainer also can not know in real time the contact situation of electrically conductive couple and cable or whether the current conveys after the earth bar because of the earth bar inserts the depth of insertion that can not monitor the earth bar and changes after ground, above-mentioned problem all will lead to the maintainer to electrocute or cause the staff on the ground of earth bar annex to electrocute at the circuit inspection and repair in-process, and present electrically conductive couple structure can not real-time supervision cable and electrically conductive couple's contact situation, the problem that the depth of insertion that the earth bar structure can not real-time supervision earth bar changes, bring huge risk for maintainer's maintenance work like this.

Therefore, there is a need for a cable repair device that solves at least some of the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable overhauls with ground connection electrically conductive protection device in order to solve above-mentioned problem for overcoming the unable real-time supervision cable of the structure of conductive hook among the prior art and the contact situation of conductive hook and the problem whether the depth of insertion that unable real-time supervision earth bar inserted ground changes.

In order to achieve the above object, the utility model provides a cable overhauls uses ground connection conductive protection device, the cable overhauls uses ground connection conductive protection device includes: the grounding component is connected with the conductive hook; the conductive hook includes: the cable hanging device comprises a hook main body hung on a cable, a mounting sleeve sleeved on the hook main body and a hanging sensor; the hook main body is provided with an arc-shaped suspension groove, and the cable can be clamped and embedded in the arc-shaped suspension groove during suspension operation; the hanging sensor is arranged on the top of the arc bottom of the arc-shaped suspension groove on the mounting sleeve, and outputs a first sensing signal when sensing that a cable is embedded in the arc-shaped suspension groove in a clamping manner; the grounding assembly includes: the device comprises a grounding pin, a depth induction sensor, an induction box and an induction cover; the induction box is of a hollow cylindrical structure with an opening end and a closed end, the depth induction sensor is arranged in the induction box, the closed end of the induction box and the induction cover are correspondingly provided with through holes, and the tip end of the grounding pin penetrates through the closed end of the induction box and the through hole in the induction cover and then is exposed out to serve as an insertion end to be inserted into the ground; the induction box is fixed on the grounding pin, the induction cover is sleeved on the grounding pin through the through hole in the induction box in a sliding mode, the insertion end of the grounding pin is inserted into the ground, the induction cover is in contact with ground soil and then is triggered under the condition that the induction cover is pushed, and the depth induction sensor outputs a second induction signal.

Specifically, the conductive hook further comprises a cable chuck and a transmission screw rod movably mounted on the cable chuck, a transmission screw hole matched with the transmission screw rod is formed in the hook main body, the transmission screw rod is mounted in the transmission screw hole and can drive the cable chuck to move axially along the transmission screw hole, so that the cable chuck is tightly jacked or loosened and clamped in the arc-shaped suspension groove through the cable chuck.

Specifically, electrically conductive couple still includes two telescopic arc clamping pieces, two clamping piece mounting grooves are seted up to the symmetry on the arc of couple main part hangs the inner wall in groove, two the arc clamping piece is installed respectively two in the clamping piece mounting groove, two the arc clamping piece with the arc hangs the groove and forms the centre gripping via hole, two the arc clamping piece can lock the card inlay under the fully extended state in the arc hangs the inslot cable.

Specifically, the conductive hook further comprises a hanging wireless receiving and transmitting assembly arranged on the installation sleeve, the hanging wireless receiving and transmitting assembly is connected with the hanging sensor through a lead, and the hanging wireless receiving and transmitting assembly is used for outputting corresponding sensing information according to the first sensing signal.

Specifically, the wireless transceiver component further comprises a hanging positioner.

Specifically, the response lid is one end open-ended hollow column structure the open end of response box has seted up the annular groove, along the gliding in-process of earthing rod the lateral wall of response lid can be embedded in the annular groove.

Specifically, the ground connection subassembly is still including setting up the inside trigger lug of response lid the response lid with ground earth contact and then under the circumstances of being promoted, trigger the lug trigger degree of depth induction sensor exports second sensing signal.

Specifically, the grounding assembly further comprises a connecting spring, the connecting spring is sleeved on the needle body of the grounding needle, and two ends of the connecting spring are connected with the induction box and the induction cover respectively.

Specifically, the grounding pin further comprises a handle mounted on the top of the grounding pin.

Specifically, the grounded conductive protection device for cable maintenance further comprises a grounded wireless receiving and transmitting assembly, wherein the grounded wireless receiving and transmitting assembly is arranged on the needle body of the grounding needle and between the handle and the induction box and used for outputting corresponding induction information according to the second induction signal.

The utility model provides a cable overhauls uses ground connection electric-conduction protection device, in order to monitor the contact condition of cable and conductive hook in real time, ensure cable and conductive hook are stable electrically conductive, suit the installation cover on the couple main part of the conductive hook that hangs the cable, and install the hanging sensor on the installation cover, under the condition that the cable inlay is to the arc suspension groove on the couple main part, the cable can trigger the hanging sensor that is installed on the installation cover and is located the arc bottom top of the arc suspension groove, the hanging sensor outputs the first induction signal, the contact condition of cable and couple main part can be monitored in real time according to the first induction signal that is received by the maintainer, the maintainer can conveniently judge the stability of current transmission between cable and conductive hook, thereby protect the maintainer from getting an electric shock, when current flows in the cable, the current is transmitted to the ground component leading-in underground through the conductive hook, connecting wire and released, in order to monitor whether the depth of the grounding pin inserted into the ground in the grounding assembly changes in real time and avoid electric shock danger caused by the fact that the insertion depth of the grounding pin does not reach the standard, a depth induction sensor is arranged in an induction box arranged on the grounding pin, in the process that the grounding pin is inserted into the ground, the ground soil pushes an induction cover sleeved on the grounding pin to move towards the depth induction sensor along with the gradual deepening of the insertion depth of the grounding pin, the induction cover triggers the depth induction sensor to output a second induction signal after the grounding pin is inserted into the ground to a certain depth, a maintainer can timely know whether the insertion depth of the grounding pin reaches the standard according to the received second induction signal, and the maintainer can judge that the insertion depth of the grounding pin keeps unchanged according to the continuous output of the second induction signal by the depth induction sensor, so that the insertion depth of the grounding pin is prevented from changing due to the loosening of the grounding pin and cannot be timely known by the maintainer, the personal safety of the maintainers is protected.

The utility model provides a cable overhauls uses ground connection conductive protection device, through the degree of depth induction sensor of installing in the sensor that articulates and installing on the earthing pin of ground connection subassembly of installation on the electrically conductive couple, whether can real-time supervision electrically conductive couple and the contact situation of cable and the earthing pin insert the below-ground degree of depth and change to guide maintainer to carry out circuit maintenance work under safe operational environment, avoid the emergence of electric shock injury.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a grounding conductive protection device for cable maintenance according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of another embodiment of a conductive hook;

FIG. 3 is a schematic structural view of the mounting sleeve of FIG. 1;

FIG. 4 is a schematic view of the assembly of the induction box and induction cover of FIG. 1;

FIG. 5 is a schematic view of the installation of the cable clamp and the drive screw of FIG. 1;

fig. 6 is a top view of fig. 5.

Description of the reference numerals

1 conductive hook 2 grounding component

3 connecting wire 4 arc clamping piece

5 grounded wireless transceiver module 6 clamping via hole

11 hook main body 12 mounting sleeve

13 hang sensor 14 arc-shaped suspension groove

15 cable clamp 16 drive screw

17 drive screw hole 18 hitches wireless transceiver module

19 operating rod 21 grounding pin

22 depth induction sensor 23 induction box

24 inductive cover 25 connecting spring

26 trigger lug 27 handle

121 wire groove 151 lower groove

152 through groove 191 handheld end

192 connecting end 231 annular groove

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In order to better understand the technical solution of the present invention, the grounding conductive protection device for cable maintenance is first described with reference to fig. 1 and 2. As shown in fig. 1, the grounding conductive protection device for cable maintenance includes: the grounding device comprises a conductive hook 1, a grounding component 2 and a connecting wire 3 for connecting the conductive hook 1 and the grounding component 2; the conductive hook 1 includes: the cable hanging device comprises a hook main body 11 hung on a cable, a mounting sleeve 12 sleeved on the hook main body 11 and a hanging sensor 13; the hook body 11 is provided with an arc-shaped hanging groove 14, and the cable can be clamped in the arc-shaped hanging groove 14 during hanging operation; the hanging sensor 13 is mounted on the top of the arc bottom of the arc hanging groove 14 on the mounting sleeve 12, and the hanging sensor 13 outputs a first sensing signal when sensing that a cable is embedded in the arc hanging groove 14 in a clamping manner; the grounding assembly 2 includes: the grounding pin 21, the depth induction sensor 22, the induction box 23 and the induction cover 24; the induction box 23 is a hollow cylindrical structure with an open end and a closed end, the depth induction sensor 22 is arranged in the induction box 23, the closed end of the induction box 23 and the induction cover 24 are correspondingly provided with through holes, and the tip end of the grounding pin 21 passes through the closed end of the induction box 23 and the through hole on the induction cover 24 and then is exposed as an insertion end for being inserted into the ground; the response box 23 is fixed on the earthing rod 21, the through-hole slip suit that the response lid 24 was passed through on it is in on the earthing rod 21 the in-process that ground needle 21 inserted the end, the response lid 24 triggers under the condition with ground earth contact and then promoted degree of depth induction sensor 22 output second sensing signal.

The utility model provides a cable overhauls uses ground connection conductive protection device for the electric current that will flow through on the cable through hanging conductive hook 1 on the cable in the circuit maintenance process is transmitted for the leading-in underground of grounding component 2 and is released through connecting wire 3, avoids the maintainer to take place to electrocute. When line maintenance is carried out, the hook main body 11 of the conductive hook 1 is hung on a cable, in order to ensure that a maintenance person knows the contact condition between the hook main body 11 and the cable in real time so as to judge the conductive stability between the cable and the hook main body 11, the hook main body 11 is provided with an arc-shaped suspension groove 14, the cable is clamped and embedded in the arc-shaped suspension groove 14 so as to prevent the hook main body 11 from falling off the cable, as shown in figure 1, the hook main body 11 is sleeved with an installation sleeve 12, the installation sleeve 12 at the top of the arc bottom of the arc-shaped suspension groove 14 is provided with a hanging sensor 13, the cable can trigger the hanging sensor 13 to send a first induction signal under the condition that the cable is clamped and embedded in the arc-shaped suspension groove 14, the maintenance person can know that the hook main body 11 is stably hung on the cable all the time according to the first induction signal so as to judge that the conductivity between the cable and the hook main body 11 is good, the electric shock of a maintainer is avoided, under the condition of sudden power transmission, the current flowing through a cable can be transmitted to a grounding assembly 2 through a conductive hook 1 and a connecting wire 3 and then is led into the ground to be released, a grounding needle 21 in the grounding assembly 2 is inserted into the ground to a certain depth for releasing the current, the grounding needle 21 is inserted into the ground to a different depth, the ground resistance is different, in order to ensure the safe release of the current and prevent the electric shock caused by the current release, the depth of the grounding needle 21 inserted into the ground must be strictly controlled, in order to monitor whether the depth of the grounding needle 21 inserted into the ground is generated or not in real time after the grounding needle 21 is inserted into the ground, a depth induction sensor 22 is arranged in an induction box 23 arranged on the grounding needle 21, as shown in figure 4, the opening end of the induction box 23 faces the ground, the tip end of the grounding needle 21 enters the induction box 23 through a through hole formed in the closed end of the induction box 23 and penetrates out of the opening end, then the ground pin 21 passes through a through hole formed in the induction cover 24 and then is inserted into the ground, in the process of inserting the ground pin 21 into the ground, along with the increase of the insertion depth of the ground pin 21, ground soil pushes the induction cover 24 to move towards the depth induction sensor 22, the induction cover 24 triggers the depth induction sensor 22 to output a second induction signal after the ground pin 21 is inserted into the ground to a certain depth, a maintenance worker knows that the insertion depth of the ground pin 21 into the ground reaches the standard depth according to the second induction signal, the depth induction sensor 22 continuously outputs the second induction signal, the worker can know that the insertion depth of the ground pin 21 into the ground is unchanged, the ground pin 21 is always in a state capable of safely releasing current, and the maintenance worker can judge the conductive stability of the conductive hook 11 and the use safety of the ground pin 21 according to the acquired first induction signal and second induction signal, instruct the maintainer to carry out work under safe operational environment, avoid the electric shock to take place.

In one embodiment, as shown in fig. 1, in order to avoid unstable contact between the cable and the hook main body 11 due to cable shake or other external factors when the hook main body 11 is hung on the cable, so that the cable and the hook main body 11 cannot conduct electricity stably, specifically, the conductive hook 1 further includes a cable chuck 15 and a transmission screw 16 movably mounted on the cable chuck 15, the hook main body 11 is provided with a transmission screw hole 17 matched with the transmission screw 16, and the transmission screw 16 is mounted in the transmission screw hole 17 and can drive the cable chuck 15 to move along the axial direction of the transmission screw hole 17, so that the cable chuck 15 can be tightly pressed against or loosened from the cable clamped in the arc-shaped hanging groove 14. Thereby drive cable chuck 15 through control drive screw 16 and remove and tightly the cable in arc suspension groove 14, even the cable rocks like this and also can guarantee cable and couple main part 11 stable contact, thereby keep hanging stably electrically conductive between main part 11 and the cable, for better with the cable chucking in arc suspension groove 14, set up on cable chuck 15 with arc suspension groove 14 assorted low groove 151, under the condition of cable chuck 15 chucking cable, form the cable via hole between low groove 151 and the arc suspension groove 14, the cable can be better the chucking in the cable via hole.

The transmission screw 16 is movably connected with the cable chuck 15, as shown in fig. 5, the transmission screw 16 is in a step shape, one end connected with the cable chuck 15 is a large connecting end, a stepped hole matched with the large connecting end is formed in the cable chuck 15, the stepped hole is in clearance fit with the transmission screw 16, the large connecting end of the transmission screw 16 can rotate in the stepped hole, and in order to avoid interference between the cable chuck 15 and the hook main body 11 when the cable is clamped or rotation in the process of moving along with the transmission screw 16, as shown in fig. 6, a through groove 152 is formed in the cable chuck 15, and a vertical 'l' portion of the hook main body 11 is embedded into the through groove 152, so that the cable chuck 15 can move in the vertical direction in the process of moving along with the transmission screw 16 and the cable chuck 15 and the hook main body 11 are prevented from interference all the time.

In another embodiment, in order to clamp the cable in the arc-shaped suspension groove 14 and ensure the conductive stability between the hook body 11 and the cable, specifically, the conductive hook 1 further includes two retractable arc-shaped clamping pieces 4, two clamping piece mounting grooves are symmetrically formed on the inner wall of the arc-shaped suspension groove 14 of the hook body 11, the two arc-shaped clamping pieces 4 are respectively mounted in the two clamping piece mounting grooves, the two arc-shaped clamping pieces 4 and the arc-shaped suspension groove 14 form a clamping through hole 6, and the two arc-shaped clamping pieces 4 can lock the cable clamped in the arc-shaped suspension groove 14 in a fully extended state. The cable slides in from between two arc clamping pieces 4 and hangs in the centre gripping via hole 6 that groove 14 formed with the arc, and at the in-process that the cable slided in centre gripping via hole 6, the cable extrudees two arc clamping pieces 4 and takes place compression deformation, and after the cable slided in centre gripping via hole 6, two arc clamping pieces 4 extended completely with the cable chucking in centre gripping via hole 6 to guarantee the electrically conductive stability between cable and the couple main part 11.

In order to facilitate the hanging of the hook main body 11 by a maintainer, as shown in fig. 1, an operating rod 19 is installed on the hook main body 11, one end of the operating rod 19 is a handheld end 191, the other end of the operating rod is a connecting end 192, the connecting end 192 is fixed with the hook main body 11 or the connecting end 192 is connected with the transmission screw 16, the hook main body 11 is conveniently hung on a cable by the maintainer through the operating rod 19, meanwhile, the distance between the maintainer and the cable is pulled open through the operating rod 19, the personal safety of the maintainer is protected, when the hook main body 11 is hung, in order to avoid electric shock of the maintainer caused by the fact that current is transmitted to the operating rod 19 through the hook main body 11, an insulating sleeve is sleeved on the handheld end 191 to protect the maintainer from electric shock.

In order to facilitate the monitoring of the conductive stability between the cable and the hook main body 11 by the maintainer when the cable chuck 15 clamps the cable and the arc-shaped hanging groove 14, the conductive hook 1 further comprises a hanging wireless transceiving component 18 arranged on the mounting sleeve 12, the hanging wireless transceiving component 18 is connected with the hanging sensor 13 through a conducting wire, and the hanging wireless transceiving component 18 is used for outputting corresponding sensing information according to the first sensing signal. The cable chuck 15 hangs the cable chucking in arc suspension groove 14, the cable triggers to articulate sensor 13 and outputs first inductive signal to articulating wireless transceiver module 18, articulate wireless transceiver module 18 and send corresponding inductive information to mobile terminal according to received first inductive signal, for example, the cell-phone, PC end etc., make things convenient for the operation personnel in time to know the chucking situation of cable in arc suspension groove 14 after knowing inductive information, thereby judge the electrically conductive situation between cable and the couple main part 11, instruct operation personnel safety to overhaul the operation, ensure operation personnel's personal safety. In order to ensure that the signals are stably transmitted between the sensor 13 and the wireless transceiving component 18, the disconnection of the wires between the sensor 13 and the wireless transceiving component 18 caused by accidents is avoided, as shown in fig. 3, a wire groove 121 is formed in the contact surface of the mounting sleeve 12 and the hook main body 11, the wires are arranged in the wire groove 121, the wires are packaged in the wire groove 121 after the mounting sleeve 12 is sleeved on the hook main body 11, and therefore the wires cannot be easily torn off, so that the sensor 13 and the wireless transceiving component 18 are disconnected, meanwhile, the wires can be prevented from being corroded by rainwater, the service life of the wires is prolonged, and the connection reliability is improved.

In order to know the hanging position of each conductive hook 1, the wireless transceiver component 18 further comprises a hanging positioner. The hanging positioner can be provided with a GPS, Beidou or UWB positioning device, and the specific use position of each grounding conductive protection device for cable maintenance can be determined by hanging the positioner, so that the maintenance safety is ensured.

In one embodiment, as shown in fig. 4, in order to prevent dust and moisture from entering the sensing box 23 to affect the sensing accuracy of the depth sensing sensor 22, specifically, the sensing cover 24 is a hollow cylindrical structure with an open end, an annular groove 231 is formed at the open end of the sensing box 23, and a side wall of the sensing cover 24 can be inserted into the annular groove 231 in the process of sliding along the grounding pin 21. The sidewall of the sensing cover 24 is embedded in the annular groove 231 of the sensing box 23 to form a dustproof structure, so that dust and water vapor can be prevented from entering the sensing box 23.

For accurate triggering of the depth sensing sensor 22, accurate reference information is provided for a service man, specifically, the grounding assembly 2 further includes a triggering protrusion 26 disposed inside the sensing cover 24, and under the condition that the sensing cover 24 is in contact with ground soil and then pushed, the triggering protrusion 26 triggers the depth sensing sensor 22 to output a second sensing signal.

In order to limit the sliding range of the sensing cover 24 on the grounding pin 21 and prevent the sensing cover 24 from sliding off, as shown in fig. 4, specifically, the grounding assembly 2 further includes a connection spring 25, the connection spring 25 is sleeved on the pin body of the grounding pin 21, and two ends of the connection spring 25 are respectively connected with the sensing box 23 and the sensing cover 24. The sliding range of the induction cover 24 is limited in the telescopic range of the connecting spring 25, the induction cover 24 is prevented from unnecessarily sliding on the grounding pin 21 to scratch the pin body of the grounding pin 21, in order to prevent the induction cover 24 from sliding off the grounding pin 21, the limiting ring 28 is arranged on the grounding pin 21, and the limiting ring 28 is arranged at the insertion end of the grounding pin 21, so that even if the connecting spring 25 fails, the limiting ring 28 can prevent the induction cover 24 from sliding off the grounding pin 21.

For convenience of operation, as shown in fig. 1, the grounding pin 21 further includes a handle 27 mounted on the top thereof. The maintainer holds the handle 27 to insert the grounding pin 21 underground, and in order to avoid the electric shock of the maintainer in the process of inserting or extracting the grounding pin 21, the handle is sleeved with an insulating handle sleeve to avoid the electric shock.

In order to facilitate the maintenance personnel to monitor the depth of the grounding pin 21 inserted into the ground in real time, specifically, the grounding conductive protection device for cable maintenance further comprises a grounding wireless transceiver module 5, and the grounding wireless transceiver module 5 is installed on the pin body of the grounding pin 21 between the handle 27 and the induction box 23 and is used for outputting corresponding induction information according to the second induction signal. After the grounding pin 21 is inserted into the ground to a certain depth, the induction cover 24 triggers the depth induction sensor 22 to output a second induction signal to the grounding wireless receiving and transmitting assembly 5, the grounding wireless receiving and transmitting assembly 5 outputs corresponding induction information to the mobile terminal according to the received second induction signal, for example, a mobile phone, a PC (personal computer) terminal and the like, so that a worker can conveniently judge whether the depth of the grounding pin 21 inserted into the ground reaches the standard or not at any time according to the induction information received by the mobile terminal, guide the worker to safely operate or timely handle the problem that the insertion depth of the grounding pin 21 does not reach the standard, and avoid electric shock.

In order to know the use position of each grounding component 2, the grounding wireless transceiver component 5 further comprises a grounding pin positioner which can be provided with a GPS, Beidou or UWB positioning device, and the use position of each grounding component 2 can be determined through the grounding pin positioner, so that the maintainers are reminded of paying attention to safety, and electric shock accidents are avoided.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a cable overhauls with ground connection electrically conductive protection device which characterized in that, cable overhauls includes with ground connection electrically conductive protection device: the grounding device comprises a conductive hook (1), a grounding component (2) and a connecting wire (3) for connecting the conductive hook (1) and the grounding component (2);

the conductive hook (1) comprises: the cable hanging device comprises a hook main body (11) hung on a cable, a mounting sleeve (12) sleeved on the hook main body (11) and a hanging sensor (13); the hook main body (11) is provided with an arc-shaped hanging groove (14), and the cable can be clamped and embedded in the arc-shaped hanging groove (14) during hanging operation; the hanging sensor (13) is arranged at the top of the arc bottom of the arc hanging groove (14) on the mounting sleeve (12), and the hanging sensor (13) outputs a first sensing signal when sensing that a cable is embedded in the arc hanging groove (14);

the grounding assembly (2) comprises: the device comprises a grounding pin (21), a depth induction sensor (22), an induction box (23) and an induction cover (24); the induction box (23) is of a hollow cylindrical structure with an open end and a closed end, the depth induction sensor (22) is arranged in the induction box (23), the closed end of the induction box (23) and the induction cover (24) are correspondingly provided with through holes, and the tip end of the grounding needle (21) passes through the closed end of the induction box (23) and the through hole on the induction cover (24) and then is exposed to serve as an insertion end to be inserted into the ground; response box (23) are fixed on earthing pin (21), response lid (24) are in through-hole slip suit on it on earthing pin (21) insert the in-process on ground pin (21) insert the end, response lid (24) are in with ground earth contact and then triggered under the circumstances of being promoted degree of depth induction sensor (22) output second sensing signal.

2. The grounding conductive protection device for cable maintenance according to claim 1, wherein the conductive hook (1) further comprises a cable chuck (15) and a transmission screw (16) movably mounted on the cable chuck (15), the hook body (11) is provided with a transmission screw hole (17) matched with the transmission screw (16), and the transmission screw (16) is mounted in the transmission screw hole (17) and can drive the cable chuck (15) to move along the axial direction of the transmission screw hole (17) so as to tightly jack or loosen the cable clamped in the arc-shaped suspension groove (14) through the cable chuck (15).

3. The ground conductive protection device for cable maintenance according to claim 1, wherein the conductive hook (1) further comprises two retractable arc-shaped clamping pieces (4), two clamping piece mounting grooves are symmetrically formed in the inner wall of the arc-shaped suspension groove (14) of the hook body (11), the two arc-shaped clamping pieces (4) are respectively mounted in the two clamping piece mounting grooves, the two arc-shaped clamping pieces (4) and the arc-shaped suspension groove (14) form a clamping through hole (6), and the two arc-shaped clamping pieces (4) can lock the cable embedded in the arc-shaped suspension groove (14) in a fully extended state.

4. The grounding conductive protection device for cable maintenance according to claim 2 or 3, wherein the conductive hook (1) further comprises a hanging wireless transceiver component (18) arranged on the mounting sleeve (12), the hanging wireless transceiver component (18) is connected with the hanging sensor (13) through a wire, and the hanging wireless transceiver component (18) is used for outputting corresponding sensing information according to the first sensing signal.

5. The ground conduction protection device for cable maintenance according to claim 4, wherein the wireless transceiver component (18) further comprises a hanging locator.

6. The grounding conductive protection device for cable maintenance according to claim 1, wherein the sensing cover (24) is a hollow cylindrical structure with an open end, an annular groove (231) is formed at the open end of the sensing box (23), and the side wall of the sensing cover (24) can be embedded into the annular groove (231) in the process of sliding along the grounding pin (21).

7. The grounding conductive protection device for cable maintenance according to claim 6, wherein the grounding assembly (2) further comprises a trigger protrusion (26) disposed inside the sensing cover (24), and the trigger protrusion (26) triggers the depth sensing sensor (22) to output a second sensing signal when the sensing cover (24) is in contact with ground soil and pushed.

8. The grounding conductive protection device for cable maintenance according to claim 1, wherein the grounding assembly (2) further comprises a connecting spring (25), the connecting spring (25) is sleeved on the body of the grounding pin (21), and two ends of the connecting spring (25) are respectively connected with the sensing box (23) and the sensing cover (24).

9. The earth conductive protection device for cable service according to claim 1, characterized in that the earth pin (21) further comprises a handle (27) mounted on top thereof.

10. The grounding conductive protection device for cable maintenance according to claim 9, further comprising a grounding wireless transceiver module (5), wherein the grounding wireless transceiver module (5) is installed on the body of the grounding pin (21) between the handle (27) and the sensing box (23) for outputting corresponding sensing information according to the second sensing signal.