CN115832730A - Grounding device for cable paying-off - Google Patents

Grounding device for cable paying-off Download PDF

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Publication number
CN115832730A
CN115832730A CN202211312205.4A CN202211312205A CN115832730A CN 115832730 A CN115832730 A CN 115832730A CN 202211312205 A CN202211312205 A CN 202211312205A CN 115832730 A CN115832730 A CN 115832730A
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CN
China
Prior art keywords
cable
grounding
slider
grounding wire
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211312205.4A
Other languages
Chinese (zh)
Inventor
王晔辰
包涛
张元吉
滕家扬
白焰辉
刘晓谦
姚昕辰
宋俊杰
黄昱凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Priority to CN202211312205.4A priority Critical patent/CN115832730A/en
Publication of CN115832730A publication Critical patent/CN115832730A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a grounding device for cable paying-off, which belongs to the field of electric power operation equipment and solves the problem that a cable cannot be effectively grounded during cable paying-off. The grounding device is mainly used for effectively avoiding the problem of disconnection of the grounding wire and the problem of pulling of the discharging rod and effectively grounding the cable.

Description

Grounding device for cable paying-off
Technical Field
The invention relates to electric operating equipment, in particular to a grounding device for paying off a cable.
Background
Cable unwrapping wire is usually realized through cable drum and pay off rack, and the cable drum generally is "worker" font structure, and the cable winding is on the cable drum, and the cable drum passes through the axis of rotation and rotates the setting on the pay off rack, and the staff is through pulling the cable, and the relative pay off rack of axis of rotation rotates and makes cable output. Due to the conductive property of the cable, the cable is usually grounded to ensure the personal safety of workers. Among the prior art, earthing device includes earth connection and discharging rod, and the one end of earth connection and the cable junction in the cable drum, the other end and discharging rod are connected, and discharging rod inserts underground, because the cable drum is pivoted relatively ground, the high constantly changing of earth connection, the earth connection receives the pulling force effect with the link of cable, with the link of discharging rod, breaks off easily to and discharging rod also is pulled out ground easily, can't realize effective ground connection.
Disclosure of Invention
The invention aims to provide a grounding device for paying off a cable, which effectively avoids the problem that a grounding wire is disconnected due to the rotation of a cable disc and realizes effective grounding of the cable.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a earthing device for cable unwrapping wire, includes the discharging rod, the one end of discharging rod is equipped with first earth connection, and the one end of first earth connection is equipped with the connecting piece that is used for the axis of rotation of fixed connection cable dish, and the cable on connecting piece and the cable dish passes through the second earth connection to be connected, is equipped with the circular orbit on the direction of height of connecting piece, is equipped with the slider in the circular orbit, and slider sliding connection is in the circular orbit, and keeps the minimum at the circular orbit all the time under self action of gravity, and first earth connection is connected with the slider.
After the technical scheme is adopted, the invention has the following advantages: firstly, be equipped with the circular orbit on the connecting piece, be equipped with the slider in the circular orbit, the second earth connection is connected on the connecting piece, make the second earth connection rotate with the cable drum is synchronous, be favorable to reducing the external force that the wiring end of second earth connection received, thereby effectively avoid the wiring end disconnection of second earth connection, ensure the connection reliability of second earth connection, realize effective ground connection to the cable, secondly, through slider sliding connection in the circular orbit, first earth connection is connected on the slider, the rotation of cable drum can not drive first earth connection, make first earth connection keep quiescent, thereby ensure the connection reliability of first earth connection, further realize effective ground connection to the cable, and, the slider remains the minimum at the circular orbit all the time under self action of gravity, reduce the altitude variation of first earth connection, effectively reduce the external force that the link of first earth connection received, further avoid the link disconnection of first earth connection, thereby realize more effective ground connection to the cable, the security that the staff unwrapped wire improves.
Further, the annular track is a circular track. After the technical scheme is adopted, the diameters of all the round rails are the same, so that the height of the first grounding wire is unchanged, the situation that the first grounding wire is disconnected is further avoided, and effective grounding of the cable is further realized.
Furthermore, the annular rails are provided with two annular rails which are respectively arranged at two sides of the connecting piece, the sliding blocks arranged in the annular rails at the two sides are connected into a whole, and the first grounding wire is arranged in the middle of the sliding blocks. After the technical scheme is adopted, the two sides of the sliding block are stressed more balanced, the phenomenon that one side of the sliding block is stressed too much and inclines is avoided, the sliding smoothness of the sliding block in the annular track is guaranteed, and the sliding block is prevented from being blocked.
Furthermore, the two annular rails are coaxially arranged, and the sliding blocks arranged in the two annular rails are kept at the same height. After the technical scheme is adopted, the two sliding blocks are connected into a whole, and the two sliding blocks are arranged at the same height, so that the stress of the sliding blocks is more balanced, and the sliding blocks can rotate more smoothly.
Furthermore, the annular track is provided with one and locates the outer peripheral face of connecting piece, and first earth connection is located the below of slider. After adopting above-mentioned technical scheme, simple structure, the below of slider is located to first earth connection, makes the atress of the vertical direction of slider more balanced, is favorable to making slider and circular orbit to slide more smoothly, makes the slider remain the minimum at circular orbit all the time, avoids the altitude variation of slider to lead to first earth connection by the pulling to further ensure the effective ground connection of cable unwrapping wire.
Further, the connecting piece includes linkage segment and installation section, is equipped with the installation through-hole that is used for holding the axis of rotation of cable drum on linkage segment and the installation section, and the periphery of installation through-hole is located to the ring rail. After the technical scheme is adopted, the annular rail is arranged on the periphery of the installation through hole, so that the sliding block and the first grounding wire are prevented from rotating around the cable reel, the sliding of the sliding block is smoother, and the effective grounding of the cable is further guaranteed.
Furthermore, the installation section is provided with a fastener for fixing a rotating shaft of the cable reel, and the fastener penetrates through the installation section and enters the installation through hole. After the technical scheme is adopted, the mounting section is reliably connected with the rotating shaft of the cable drum through the fastener, so that the second grounding wire can synchronously rotate with the rotating shaft of the cable drum, and the disconnection of the second grounding wire is further avoided.
Furthermore, the first grounding wire is arranged on one side of the connecting piece, and the second grounding wire is arranged on the other side of the connecting piece. After the technical scheme is adopted, the first grounding wire and the second grounding wire are effectively separated, mutual interference of movement of the first grounding wire and the second grounding wire is avoided, and the first grounding wire and the second grounding wire are connected more stably.
Furthermore, the first grounding wire is electrically connected with the sliding block through a first wiring terminal, and the second grounding wire is electrically connected with the connecting piece through a second wiring terminal; or the first grounding wire is welded on the sliding block, and the second grounding wire is welded on the connecting piece. After the technical scheme is adopted, in one technical scheme, the connection reliability is guaranteed, and meanwhile, the dismounting is convenient, so that the cable drum is convenient to use on different cable drums; in another technical scheme, the connection reliability of the first grounding wire and the second grounding wire is further improved, and the difficulty of disconnection of the first grounding wire and the difficulty of disconnection of the second grounding wire are increased.
Further, the length of the first grounding wire is larger than the distance between the discharge rod and the sliding block. After the technical scheme is adopted, the first grounding wire is effectively prevented from being in a tightened state, and the discharging rod is further prevented from being pulled.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a grounding device for cable laying according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a grounding device for cable paying out mounted on a cable drum according to one embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a grounding device for cable laying according to a second embodiment of the present invention;
FIG. 4 is a schematic view of a grounding device for cable laying mounted on a cable drum according to a second embodiment of the present invention;
1. a discharge rod; 21. a first ground line; 22. a second ground line; 3. a cable reel; 31. a rotating shaft; 41. a connecting member; 411. an annular track; 412. a connecting section; 413. an installation section; 414. mounting through holes; 42. a slider; 43. a movable through hole; 44. a fastener; 51. a first connection terminal; 52. and a second connection terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
It should be understood that, in various embodiments of the present invention, for example, the sequence numbers related to the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the inherent logic thereof, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that in the present application, "comprising" and "having" and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, e.g., X and/or Y, may mean: x alone, X and Y simultaneously, and Y alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises X, Y and Z" and "comprises X, Y, Z" means X, Y, Z all include, "comprises X, Y or Z" means comprises X, Y, Z, and "comprises X, Y and/or Z" means comprises either one or any two or three of X, Y, Z.
The technical solution of the present invention will be described in detail below with specific examples. The following specific embodiments may be optionally combined with or replaced by each other according to practical situations, and the same or similar concepts or processes may not be described in detail in some embodiments.
The first embodiment is as follows:
as shown in fig. 1 and 2, the present invention provides a grounding device for cable paying-off, which comprises a discharge rod 1, wherein one end of the discharge rod 1 is provided with a first grounding wire 21, one end of the first grounding wire 21 is provided with a connecting member 41 for fixedly connecting a rotating shaft 31 of a cable drum 3, the connecting member 41 is connected with a cable on the cable drum 3 through a second grounding wire 22, an annular rail 411 is arranged in the height direction of the connecting member 41, a sliding block 42 is arranged in the annular rail 411, the sliding block 42 is slidably connected in the annular rail 411 and is always kept at the lowest point of the annular rail 411 under the action of self gravity, and the first grounding wire 21 is connected with the sliding block 42.
Firstly, the annular rail 411 is arranged on the connecting piece 41, the slider 42 is arranged in the annular rail 411, the second ground wire 22 is connected to the connecting piece 41, the second ground wire 22 can rotate synchronously with the cable reel 3, external force applied to a terminal of the second ground wire 22 is reduced, disconnection of the terminal of the second ground wire 22 is effectively avoided, connection reliability of the second ground wire 22 is guaranteed, effective grounding of a cable is achieved, the slider 42 is connected into the annular rail 411 in a sliding mode, the first ground wire 21 is connected to the slider 42, rotation of the cable reel 3 cannot drive the first ground wire 21, the first ground wire 21 is kept static, connection reliability of the first ground wire 21 is guaranteed, effective grounding of the cable is further achieved, the slider 42 is kept at the lowest point of the annular rail 411 under the action of self gravity, height change of the first ground wire 21 is reduced, external force applied to a connecting end of the first ground wire 21 is effectively reduced, disconnection of the connecting end of the first ground wire 21 is further avoided, effective grounding of the cable is achieved, and paying-off safety of workers is improved.
Specifically, two annular rails 411 are provided and respectively provided at both sides of the connecting member 41, the sliders 42 provided in the annular rails 411 at both sides are integrally connected, and the first ground wire 21 is provided in the middle of the slider 42. The both sides atress that can make slider 42 is more balanced, avoids one side atress of slider 42 too big and takes place the slope, ensures slider 42 gliding smoothness nature in circular orbit 411, prevents that slider 42 from blocking.
And, in order to further avoid the dead lock, the slider is provided with a movable through hole 43, so that the connecting piece 41 can pass through, the resistance received by the slider 42 in the sliding process is reduced, and the slider 42 can be further kept at the lowest point of the annular track 411.
Since the sliders 42 on both sides are integrally connected, in the present embodiment, the two annular rails 411 are coaxially disposed, and the sliders 42 disposed in the two annular rails 411 are maintained at the same height. The force on the sliders 42 on the two sides is more balanced, so that the sliders 42 can rotate more smoothly.
In order to make the first ground wire 21 less likely to be disconnected, the annular rail 411 is a circular rail. Correspondingly, the height of the first grounding wire 21 is unchanged, the situation that the first grounding wire 21 is disconnected is further avoided, effective grounding of the cable is further achieved, and safer paying-off of an operator is facilitated.
In the wire releasing process, since the second grounding wire 22 rotates relative to the first grounding wire 21, in the present embodiment, the first grounding wire 21 is provided on one side of the connecting member 41, and the second grounding wire 22 is provided on the other side of the connecting member 41. The first grounding wire 21 and the second grounding wire 22 are effectively separated, and the movement of the first grounding wire 21 and the movement of the second grounding wire 22 are prevented from interfering with each other, so that the connection between the first grounding wire 21 and the second grounding wire 22 is more stable.
Specifically, the first ground line 21 is electrically connected to the slider 42 through a first connection terminal 51, and the second ground line 22 is electrically connected to the connector 41 through a second connection terminal 52. The cable drum is convenient to disassemble while the connection reliability is guaranteed, so that the cable drum is convenient to use on different cable drums 3.
In this embodiment, the first connection terminal 51 and the second connection terminal 52 are screw-free connection terminals, but may be an alligator clip or other suitable structure in other embodiments.
It will be appreciated that in other embodiments, the first ground wire 21 may be welded to the slider 42 and the second ground wire 22 may be welded to the connector 41 for a more reliable connection.
In order to reduce the external force applied to the first grounding wire 21, the length of the first grounding wire 21 is greater than the distance between the discharging rod 1 and the slider 42. The first grounding wire 21 is effectively prevented from being in a tightened state, and the discharging rod 1 is further prevented from being pulled.
In this embodiment, the connecting member 41 includes a connecting section 412 and an installation section 413, the connecting section 412 and the installation section 413 are provided with installation through holes 414 for accommodating the rotating shafts 31 of the cable drums 3, and the annular rail 411 is disposed at the periphery of the installation through holes 414, so that the sliding blocks 42 and the first grounding wires 21 are kept away from the rotating shafts 31 of the cable drums 3, thereby enabling the sliding of the sliding blocks 42 to be smoother, and further ensuring effective grounding of the cables.
In order to achieve a reliable connection with the rotating shaft 31 of the cable drum 3, a fastening member 44 for fixing the rotating shaft 31 of the cable drum 3 is provided on the mounting section 413, and the fastening member 44 is inserted through the mounting section 413 and into the mounting through hole 414. It is advantageous to achieve a synchronous rotation of the second grounding wire 22 with the rotation shaft 31 of the cable drum 3, further avoiding the disconnection of the second grounding wire 22.
In this embodiment, the fastener is a fastening screw, but in other embodiments, the fastener may have other suitable structures.
The second embodiment:
as shown in fig. 3 and 4, in the present embodiment, the annular rail 411 is provided one and provided on the outer peripheral surface of the connecting member 41, and the first ground wire 21 is provided below the slider 42. The stress of the sliding block 42 in the vertical direction is more balanced, so that the sliding block 42 and the annular track 411 can slide more smoothly, the sliding block 42 is always kept at the lowest point of the annular track 411, the first grounding wire 21 is prevented from being pulled due to the height change of the sliding block 42, and the effective grounding of cable paying-off is further guaranteed.
Other contents not described in this embodiment may refer to embodiment one.
In addition to the preferred embodiments described above, the present invention has other embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention as claimed.

Claims (10)

1. The utility model provides a grounding device for cable unwrapping wire, includes the discharging rod, a serial communication port, the one end of discharging rod is equipped with first earth connection, the one end of first earth connection is equipped with the connecting piece that is used for the axis of rotation of fixed connection cable dish, the cable on connecting piece and the cable dish passes through the second earth connection to be connected, be equipped with the circular orbit on the direction of height of connecting piece, be equipped with the slider in the circular orbit, slider sliding connection is in the circular orbit, and keep the minimum at the circular orbit all the time under self action of gravity, first earth connection is connected with the slider.
2. The grounding device for cable laying according to claim 1, wherein said annular track is a circular track.
3. The grounding device for cable laying according to claim 2, wherein the circular rails are provided with two and respectively provided at both sides of the connecting member, the sliders provided in the circular rails at both sides are integrally connected, and the first grounding wire is provided at the middle of the slider.
4. The grounding device for cable laying according to claim 3, wherein the two annular rails are coaxially arranged, and the sliders arranged in the two annular rails are maintained at the same height.
5. The grounding device for cable laying according to claim 1, wherein the annular rail is provided with one and disposed on an outer peripheral surface of the connecting member, and the first grounding wire is disposed below the slider.
6. The grounding device for cable reels as claimed in any one of claims 1 to 5, wherein the connecting member comprises a connecting section and a mounting section, the connecting section and the mounting section are provided with mounting through holes for receiving the rotating shafts of the cable reels, and the annular rail is provided at the outer periphery of the mounting through holes.
7. The grounding device for cable reels of claim 6, wherein the mounting section is provided with a fastener for fixing the rotation shaft of the cable drum, the fastener being inserted through the mounting section and into the mounting through hole.
8. The grounding device for a cable routing of claim 1, wherein the first grounding wire is provided on one side of the connector and the second grounding wire is provided on the other side of the connector.
9. The grounding device for cable laying according to claim 1 or 8, wherein the first grounding wire is electrically connected to the slider through a first connection terminal, and the second grounding wire is electrically connected to the connecting member through a second connection terminal; or the first grounding wire is welded on the sliding block, and the second grounding wire is welded on the connecting piece.
10. The grounding device for cable laying according to claim 1, wherein the length of the first grounding wire is greater than the distance between the discharge rod and the slider.
CN202211312205.4A 2022-10-25 2022-10-25 Grounding device for cable paying-off Pending CN115832730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211312205.4A CN115832730A (en) 2022-10-25 2022-10-25 Grounding device for cable paying-off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211312205.4A CN115832730A (en) 2022-10-25 2022-10-25 Grounding device for cable paying-off

Publications (1)

Publication Number Publication Date
CN115832730A true CN115832730A (en) 2023-03-21

Family

ID=85525443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211312205.4A Pending CN115832730A (en) 2022-10-25 2022-10-25 Grounding device for cable paying-off

Country Status (1)

Country Link
CN (1) CN115832730A (en)

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