Grounding device and grounding method

Abstract

The invention is suitable for the technical field of power equipment, and discloses a grounding device and a grounding method. The grounding device comprises a wire clamp assembly and a grounding connection assembly, the wire clamp assembly comprises an electrified wire clamp and a wire clamp insulation shell, the electrified wire clamp can be used for clamping a wire when the wire is in a power-on state, and the wire clamp insulation shell is arranged on the outer surface of the electrified wire clamp. The grounding connecting assembly comprises a grounding connecting piece and a grounding insulating shell, the grounding connecting piece is electrically connected to the electrified wire clamp and used for being electrically connected with a grounding wire, and the grounding insulating shell can be switched between the state that the grounding connecting piece is closed and the state that the grounding connecting piece is exposed. The grounding device provided by the invention not only can reduce the power failure range and shorten the installation time consumption during installation, but also improves the safety of the line.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power equipment, and in particular to a grounding device and a grounding method. Background Art

[0002] When power outages are performed for maintenance and construction on power equipment, maintenance and construction can only be carried out after power outages, electricity testing, and grounding to prevent the risk of electric shock caused by the self-provided power supplies of users on both sides of the construction. At present, the installation of grounding devices requires power outages to be carried out. On the one hand, it will cause the scope of power outages to expand, and there will be many installation measures and a long time. On the other hand, after the power outage and electricity testing, the grounding process of installing the equipment takes a long time. In the long run, the grounding devices on the market are only suitable for newly built substations, and are not suitable for the installation of grounding devices on old lines, which undoubtedly poses a great hidden danger and waste to production safety. In addition, due to the limitations of the existing grounding devices, electric shocks may occur when people accidentally touch them, and external forces may cause line failures. For example, the occurrence of tree wind deviation overlaps may cause line tripping. Summary of the invention

[0003] The present invention provides a grounding device and a grounding method, which are intended to solve the technical problems that the existing grounding device has a large power outage range and a long time consumption during installation, and is prone to accidents such as electric shock to personnel and line short circuit.

[0004] According to a first aspect of the present invention, an embodiment provides a grounding device, comprising:

[0005] A wire clamp assembly, comprising a live wire clamp and a wire clamp insulating shell, wherein the live wire clamp can be used to clamp the wire when the wire is in a powered state, and the wire clamp insulating shell is arranged on the outer surface of the live wire clamp;

[0006] The grounding connection assembly comprises a grounding connector and a grounding insulating shell. The grounding connector is electrically connected to the live wire clamp for electrical connection of the grounding wire. The grounding insulating shell can be switched between a state in which the grounding connector is enclosed and a state in which the grounding connector is exposed.

[0007] In one embodiment, the grounding insulating shell includes two first insulating shells, both of which are movably connected to the wire clamp insulating shell and can be enclosed to form a receiving cavity, and the receiving cavity is used to receive the grounding connector;

[0008] The two first insulating shells are detachably connected to each other so that the grounded insulating shell can be switched between a closed state and an open state;

[0009] When the grounded insulating shell is in the closed state, the two first insulating shells are connected to each other and enclose the accommodating cavity, and the grounding connector is located in the accommodating cavity so that the grounding connector is closed; when the grounded insulating shell is in the open state, the two first insulating shells are detached from each other so that the grounding connector is exposed.

[0010] In one embodiment, the two first insulating shells are arranged along the first direction and are rotatably connected to the insulating shell of the wire clamp respectively;

[0011] When the grounding device is clamped on the conductive wire, the conductive wire in the grounding device extends along the first direction.

[0012] In one embodiment, the first insulating shell is configured to be able to rotate relative to the clamp insulating housing under the action of an external force.

[0013] In one embodiment, the ground connection assembly further includes two magnetically adsorbed magnetic parts, each of the first insulating shells is connected to one of the magnetic parts, and the two first insulating shells are detachably connected through the magnetic attraction of the two magnetic parts.

[0014] In one embodiment, each of the first insulating shells includes an insulating part, a connecting part and a magnetic part, the insulating part is connected between the connecting part and the magnetic part, the connecting part is movably connected to the wire clamp insulating shell, the magnetic part is installed on the magnetic part, and the insulating part is used to enclose and form the accommodating cavity.

[0015] In one embodiment, one of the two first insulating shells is provided with a first snap-fit ​​connector, and the other is provided with a second snap-fit ​​connector, and the two first insulating shells are detachably connected through snap-fitting of the first snap-fit ​​connector and the second snap-fit ​​connector;

[0016] The first clip connection member is a clip slot, and the second clip connection member is a clip buckle; or, both the first clip connection member and the second clip connection member are clip buckles.

[0017] In one embodiment, the grounding connector includes a grounding body and a blocking portion;

[0018] The grounding body is cylindrical and electrically connected to one side of the live wire clamp. The blocking portion is connected to one end of the grounding body away from the live wire clamp and is protrudingly arranged along the circumference of the grounding body.

[0019] In one embodiment, the wire clamp assembly is provided with a hanging port and a clamping cavity, wherein the hanging port is connected to the clamping cavity and is used for the wire to pass through and enter the clamping cavity;

[0020] The grounding device also includes an insulating cover, which is movably connected to the wire clamp assembly and is used to cover the hanging interface.

[0021] According to a second aspect of the present application, an embodiment provides a grounding method, using the grounding device of the first aspect, comprising the following steps:

[0022] Hanging the wire clamp assembly on the wire in an energized state and clamping the wire;

[0023] After the conductor is powered off, the grounding insulation shell is separated from the grounding connector;

[0024] Connect a ground wire to the ground connector.

[0025] The grounding device and grounding method provided by the present invention adopt a live wire clamp, which can clamp the wire when the wire is in an energized state. By setting a grounding connector, after the live wire clamp clamps the wire, the grounding wire can be connected through the grounding connector. Therefore, the grounding device can be installed when the wire is in an energized state, and a closure is formed by connecting the grounding wire. Compared with the method of forming a grounding wire closure through construction and installation, there is no need to expand the power outage range. After installation, it can meet the construction and maintenance of the installation within the minimum power outage range, and the installation time is short. In addition, by setting a wire clamp insulating shell on the outer surface of the wire clamp assembly, the wire clamp insulating shell has an insulating effect on the wire clamp assembly, and by setting a grounding insulating shell on the outer surface of the grounding connector, the grounding insulating shell has an insulating effect on the grounding connector. When a person touches it by mistake, due to the insulating effect of the wire clamp insulating shell and the grounding insulating shell, the person can be prevented from electric shock, and when a tree overlap occurs, it will not cause a fault such as line tripping. Therefore, the grounding device provided by the present invention can not only reduce the power outage range and shorten the installation time during installation, but also improve the safety of the line. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0027] Figure 1 This is a state diagram from a perspective when the grounding device provided in the first embodiment of the present invention is installed on a conductor and the grounding insulating housing is in a closed state;

[0028] Figure 2 is a state diagram from another perspective when the grounding device provided by an embodiment of the present invention is installed on a conductor and the grounding insulating housing is in a closed state;

[0029] Figure 3 This is a state diagram of the grounding device provided by an embodiment of the present invention being installed on a conductor, with the grounding insulating housing being in an open state;

[0030] Figure 4 is a state diagram of the grounding device provided by the embodiment of the present invention when the insulating cover is not covered on the hanging interface;

[0031] Figure 5 is an exploded view of a grounding device provided by an embodiment of the present invention;

[0032] Figure 6 is an exploded view of a grounded insulating housing and a magnetic attraction member provided by an embodiment of the present invention from one perspective;

[0033] Figure 7 is an exploded view of the grounded insulating housing and the magnetic attraction member provided by an embodiment of the present invention from another perspective;

[0034] Figure 8 is a schematic structural diagram of a wire clamp body provided by an embodiment of the present invention;

[0035] Fig. 9 is a schematic diagram of the assembly structure of the second insulating shell and the rotating connecting seat provided by an embodiment of the present invention from one perspective;

[0036] Fig.10 It is a schematic diagram of the assembly structure of the second insulating shell and the rotating connecting seat provided by an embodiment of the present invention from another perspective.

[0037] Description of Figure Numbers:

[0038] 100, grounding device; 10, wire clamp assembly; 11, live wire clamp; 111, wire clamp body; 1111, clamping cavity; 1112, hanging interface; 1113, perforation; 1114, clamping surface; 1115, second operating ring; 1116, avoidance; 1117, clamping groove; 112, pressing piece; 113, insulating top pressing piece; 1131, first operating ring; 12, wire clamp insulating shell; 121, second insulating shell; 1211, clamping protrusion; 122, accommodating cavity; 123, insulating plate; 13, rotating connecting seat; 131, First surface; 132, second surface; 20, ground connection assembly; 21, ground connection piece; 211, ground body; 212, blocking part; 22, ground insulation shell; 221, first insulation shell; 2211, insulation part; 2212, connection part; 2213, magnetic part; 2214, mounting groove; 2215, handle; 2216, first end face; 2217, second end face; 222, accommodating cavity; 23, magnetic part; 30, insulation cover; 241, first snap-fit ​​connector; 242, second snap-fit ​​connector; 200, wire.

[0039] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0042] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0043] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0044] The current grounding device requires a power outage to be installed, which causes a large-scale power outage, and requires many installation measures and is time-consuming. In addition, after the power outage and power test, the grounding of the equipment installation process takes a long time. As a result, the grounding device is only suitable for newly built substations and is not suitable for installation on old lines, which undoubtedly poses a great threat to production safety and waste. In addition, due to the limitations of the existing grounding device, electric shock may occur when people accidentally touch it, and the line may fail under the action of external forces, such as the occurrence of wind-induced overlap of trees, which may cause the line to trip.

[0045] In view of this, the present invention provides a grounding device that can be installed when the wire is energized, thereby reducing the scope of power outages, preventing people from getting electric shocks when they accidentally touch it, and avoiding line failures under the action of external forces.

[0046] See also Figures 1 to 5 The grounding device 100 provided by the embodiment of the present invention comprises a wire clamp assembly 10 and a grounding connection assembly 20. The wire clamp assembly 10 comprises a live wire clamp 11 and a wire clamp insulating shell 12. The live wire clamp 11 can be used to clamp the wire 200 when the wire 200 is in a powered state. The wire clamp insulating shell 12 is arranged on the outer surface of the live wire clamp 11. The grounding connection assembly 20 comprises a grounding connector 21 and a grounding insulating shell 22. The grounding connector 21 is electrically connected to the live wire clamp 11 and is used for electrical connection of the ground wire. The grounding insulating shell 22 can be switched between a state in which the grounding connector 21 is closed and a state in which the grounding connector 21 is exposed, that is, the grounding insulating shell 22 can make the grounding connector 21 sealed or exposed.

[0047] When in use, when the wire 200 is energized, the wire clamp assembly 10 is hung on the wire 200 and clamps the wire 200. After the wire 200 is powered off, the grounding insulating shell 22 is operated to expose the grounding connector 21, and then the grounding wire is connected to the grounding connector 21.

[0048] By adopting the above technical solution, the live wire clamp 11 is adopted, and the live wire clamp 11 can clamp the wire 200 when the wire 200 is in a powered state. By providing the grounding connector 21, after the live wire clamp 11 clamps the wire 200, the grounding wire can be connected through the grounding connector 21. Therefore, the grounding device 100 can be installed when the wire 200 is in a powered state, and a closure is formed by connecting the grounding wire. Compared with the method of forming a grounding wire closure through construction and installation, there is no need to expand the power outage range. After installation, it can meet the construction and maintenance of the installation within the minimum power outage range, and the installation time is short.

[0049] In addition, by providing a wire clamp insulating shell 12 on the outer surface of the wire clamp assembly 10, the wire clamp insulating shell 12 plays an insulating role for the wire clamp assembly 10, and by providing a grounding insulating shell 22 on the outer surface of the grounding connector 21, the grounding insulating shell 22 plays an insulating role for the grounding connector 21. When a person accidentally touches the grounding device 100, the insulating effect of the wire clamp insulating shell 12 and the grounding insulating shell 22 can prevent the person from getting an electric shock, and when a tree overlap occurs, it will not cause a line trip or other faults. In addition, after the grounding device 100 is installed on the conductor 200, when there is rain or other weather, due to the isolation effect of the wire clamp insulating shell 12 and the grounding insulating shell 22, rainwater cannot enter between the insulation layer and the twisted wire of the conductor 200, which can reduce the risk of aging and corrosion of the conductor 200. Therefore, the grounding device 100 provided by the present invention can not only reduce the scope of power outages and shorten the installation time during installation, but also improve the safety of the line.

[0050] See also Figures 4 to 7 The grounding insulating shell 22 includes two first insulating shells 221, both of which are movably connected to the wire clamp insulating shell 12 and can be enclosed to form a receiving cavity 222, and the receiving cavity 222 is used to receive the grounding connector 21. The two first insulating shells 221 are detachably connected to each other so that the grounding insulating shell 22 can be switched between a closed state and an open state. When the grounding insulating shell 22 is in a closed state, the two first insulating shells 221 are connected to each other and enclosed to form a receiving cavity 222, and the grounding connector 21 is located in the receiving cavity 222 so that the grounding connector 21 is closed; when the grounding insulating shell 22 is in an open state, the two first insulating shells 221 are detached from each other so that the grounding connector 21 is exposed.

[0051] In a specific implementation, by connecting the two first insulating shells 221 to each other, the grounded insulating shell 22 is in a closed state, the grounding connector 21 is located in the accommodating cavity 222 formed by the two insulating shells, and the grounding connector 21 is closed, which can prevent accidents such as electric shock to personnel and line tripping. By separating the two first insulating shells 221 from each other, the grounded insulating shell 22 is in an open state, and the grounding connector 21 is exposed, and the grounding wire can be connected to the grounding connector 21.

[0052] Since the operator has two hands, by providing two first insulating shells 221, when operating the connection or disconnection of the two first insulating shells 221, one first insulating shell 221 can be operated by one hand, so that the grounding insulating shell 22 can be quickly switched between the closed state and the open state. In some embodiments, the grounding insulating shell 22 can also include one or at least three first insulating shells 221. When this technical solution is adopted, one first insulating shell 221 encloses the accommodating cavity 222, or at least three first insulating shells 221 enclose the accommodating cavity 222.

[0053] It should be noted that the operator operates the first insulating shell 221 with one hand, which may be the operator's hand directly operating the first insulating shell 221 or the operator's hand operating the first insulating shell 221 with the help of a tool.

[0054] In one embodiment, the two first insulating shells 221 are respectively rotatably connected to the wire clamp insulating shell 12. In this way, the grounding insulating shell 22 can be switched between the closed state and the open state by rotating the first insulating shell 221, which is simple and convenient to operate. It can be understood that in other embodiments, the two first insulating shells 221 can also be movably connected to the wire clamp insulating shell 12 by other connection methods, such as sliding connection.

[0055] In one embodiment, the two first insulating shells 221 are arranged along the first direction X. When the grounding device 100 is clamped on the wire 200, the wire 200 located in the grounding device 100 extends along the first direction X. In a specific implementation, when the grounding device 100 is clamped on the wire 200, the extension direction of the grounding connector 21 is perpendicular to the extension direction of the wire 200 located in the grounding device 100. The grounding connector 21 is arranged in this way to avoid contact between the grounding connector 21 and the wire 200. By arranging the two first insulating shells 221 along the first direction X (i.e., the extension direction of the wire 200 located in the grounding device 100), it is convenient to manually connect or disconnect the two first insulating shells 221, thereby improving the convenience of operation. It can be understood that in other embodiments, the two first insulating shells 221 can also be arranged in other directions, such as the up and down directions. Among them, the up and down directions refer to the upper and lower sides of the grounding connector 21 when the grounding device 100 is clamped on the wire 200.

[0056] See also Figure 1 , Figure 6 and Figure 7 The grounding connection assembly 20 also includes two magnetically adsorbed magnetic parts 23, each first insulating shell 221 is connected to a magnetic part 23, and the two first insulating shells 221 are detachably connected through the magnetic attraction of the two magnetic parts 23. The detachable connection of the two first insulating shells 221 is achieved through the magnetic adsorption of the two magnetic parts 23. Such a configuration is convenient and fast to process, and is convenient for personnel to operate. In addition, when the two connected first insulating shells 221 are accidentally and briefly acted upon by external force, they can be restored to a connected state through the magnetic adsorption of the magnetic parts 23 to avoid accidents. Moreover, after the line maintenance is completed and the grounding wire is detached from the grounding connector 21, the two magnetic parts 23 can quickly connect the two first insulating shells 221 through magnetic adsorption after the first insulating shell 221 rotates a certain distance under the action of a small external force.

[0057] In a specific implementation, the two magnetic attracting members 23 can be two magnets with opposite polarities, or one of the two magnetic attracting members 23 is a magnet and the other is a magnetic attracting part 2213 made of metal iron, metal nickel or metal cobalt.

[0058] See also Figure 6 and Figure 7 One of the two first insulating shells 221 is provided with a first snap-fit ​​connector 241, and the other is provided with a second snap-fit ​​connector 242. The two first insulating shells 221 are detachably connected by snap-fitting of the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242. The detachable connection of the two first insulating shells 221 is achieved by the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242, which is convenient and quick to process and easy for personnel to operate.

[0059] In one embodiment, the first snap-fit ​​connector 241 is a slot, and the second snap-fit ​​connector 242 is a buckle, and the buckle is snapped into the slot to achieve the snap-fit ​​connection between the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242. It can be understood that in other embodiments, both the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242 are buckles, and the snap-fit ​​connection between the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242 can be achieved by snapping the two buckles.

[0060] See also Figure 4 , Figure 6 and Figure 7 Each first insulating shell 221 includes an insulating portion 2211, a connecting portion 2212 and a magnetic portion 2213. The insulating portion 2211 is connected between the connecting portion 2212 and the magnetic portion 2213. The connecting portion 2212 is movably connected to the wire clamp insulating shell 12. The magnetic member 23 is installed on the magnetic portion 2213. The insulating portion 2211 is used to enclose and form a receiving cavity 222. In this embodiment, the connecting portion 2212 is rotatably connected to the wire clamp insulating shell 12. The connecting portion 2212 of one of the two first insulating shells 221 is provided with a first snap-fit ​​connector 241, and the connecting portion 2212 of the other first insulating shell 221 is provided with a second snap-fit ​​connector 242. The magnetic portion 2213 is provided with a mounting groove 2214, and the magnetic member 23 is installed in the mounting groove 2214.

[0061] See also Figures 5 to 7 , each first insulating shell 221 further includes a handle 2215, and the handle 2215 is connected to the side of the connecting portion 2212 facing away from the grounding connector 21. By providing the handle 2215, the operator can connect or disconnect the two first insulating shells 221 by operating the handle 2215, which is convenient for the operator to apply force to the first insulating shell 221. Preferably, the handle 2215 includes two arc structures whose centers are located on the same side, and the centers of the arc structures of the two handles 2215 are arranged facing each other, so that it is convenient for the operator to operate the first insulating shell 221 through the operating rod (a tool specially used for installing the grounding device 100).

[0062] In one embodiment, the first insulating shell 221 is configured to be able to rotate relative to the wire clamp insulating shell 12 under the action of an external force. In other words, the first insulating shell 221 needs to be rotated relative to the wire clamp insulating shell 12 under the action of an external force, and the first insulating shell 221 will not rotate when there is no external force. In this way, when the two first insulating shells 221 are separated and the grounding wire is connected to the exposed grounding connector 21, the first insulating shell 221 will not rotate on its own, thereby ensuring that the grounding wire will not be affected by the first insulating shell 221 when it is connected to the grounding connector 21.

[0063] See also Figure 4, Figure 6 and Figure 7 The wire clamp insulating shell 12 is provided with a rotating connecting seat 13, and the grounding device 100 also includes a connecting shaft (not marked in the figure), which is passed through the connecting part 2212 of the first insulating shell 221, and both ends of the connecting shaft are fixedly connected to the rotating connecting seat 13. The connecting part 2212 can rotate around the connecting shaft with the connecting shaft as the rotation center to realize the rotation of the first insulating shell relative to the wire clamp insulating shell 12.

[0064] Among them, see Figure 6 and Fig.10 The connecting portion 2212 has a first end face 2216 and a second end face 2217 that are oppositely arranged along the extending direction of the connecting axis. The rotating connecting seat 13 has a first surface 131 facing the first end face 2216 and a second surface 132 facing the second end face 2217.

[0065] In one embodiment, the strength with which the first surface 131 abuts against the first end surface 2216 and the strength with which the second surface 132 abuts against the second end surface 2217 can be adjusted, thereby adjusting the strength with which the first surface 131 and the second surface 132 clamp the connecting portion 2212, so that the first insulating shell 221 can rotate under the action of external force and can rotate under the action of external forces of different magnitudes.

[0066] In another embodiment, a limiting groove may be provided on one of the first end face 2216 and the first surface 131, and a limiting protrusion that is plugged into and fits with the limiting groove may be provided on the other, and / or a limiting groove may be provided on one of the second end face 2217 and the second surface 132, and a limiting protrusion that is plugged into and fits with the limiting groove may be provided on the other, so that the first insulating shell 221 can rotate under the action of an external force. In a specific implementation, when the two first insulating shells 221 are connected and the grounded insulating shell 22 is in a closed state, the limiting protrusion is plugged into the limiting groove. When the two first insulating shells 221 need to be separated and the grounded insulating shell 22 is in an open state, the limiting protrusion can be driven out of the limiting groove by an external force, so that the two first insulating shells 221 rotate in opposite directions. Preferably, two limiting grooves can be provided, one of which is used for the limiting protrusion to be inserted into the limiting groove when the grounding insulating shell 22 is in a closed state, and the other limiting groove is used for the limiting protrusion to be inserted into the limiting groove when the grounding insulating shell 22 is in an open state. With such a configuration, when the grounding insulating shell 22 is in an open state and the grounding wire is connected to the exposed grounding connector 21, the first insulating shell 221 can be prevented from rotating on its own, thereby ensuring that the grounding wire will not be affected by the first insulating shell 221 when it is connected to the grounding connector 21.

[0067] See also Figure 4 and Figure 5The grounding connector 21 includes a grounding body 211 and a blocking portion 212. The grounding body 211 is cylindrical and electrically connected to one side of the live wire clamp 11. The blocking portion 212 is connected to the end of the grounding body 211 away from the live wire clamp 11 and is protruded along the circumference of the grounding body 211. The grounding connector 21 is arranged in this way, which is convenient for connecting the grounding wire and is also conducive to the design layout of the grounding insulating shell 22, saving the occupied space of the grounding connection assembly 20. In specific implementation, the grounding wire can be sleeved on the outer periphery of the grounding body 211, and the blocking portion 212 blocks the grounding wire to prevent the grounding wire from being separated from the grounding body 211 from the end of the grounding body 211 away from the live wire clamp 11.

[0068] See also Figure 2 and Figure 4 The wire clamp assembly 10 is provided with a hanging port 1112 and a clamping cavity 1111. The hanging port 1112 is connected to the clamping cavity 1111, and is used for the wire 200 to pass through and enter the clamping cavity 1111. The grounding device 100 also includes an insulating cover 30, which is movably connected to the wire clamp assembly 10 and is used to cover the hanging port 1112. By providing the insulating cover 30, when the wire 200 enters the clamping cavity 1111, the insulating cover 30 can be operated to cover the hanging port 1112, so as to avoid the wire 200 from being separated from the wire clamp assembly 10 due to an accident such as the grounding device 100 tilting. During specific implementation, the insulating cover 30 is operated to move relative to the wire clamp assembly 10 to open the hanging port 1112, allowing the wire 200 to pass through the hanging port 1112 and enter the clamping cavity 1111, and the insulating cover 30 is operated again to move in the opposite direction relative to the wire clamp assembly 10 to close the hanging port 1112, and then the wire clamp assembly 10 is operated to clamp the wire 200.

[0069] In one embodiment, the insulating cover 30 is rotatably connected to the wire clamp assembly 10. It is understood that in other embodiments, the insulating cover 30 may also be connected to the wire clamp assembly 10 by other movable connection methods, such as sliding connection; or, the insulating cover 30 may also be detachably connected to the wire clamp assembly 10.

[0070] See also Figure 5 and Figure 8The live wire clamp 11 comprises a wire clamp body 111, a pressing piece 112 and an insulating top pressing piece 113. The wire clamp body 111 is provided with a hanging port 1112, a clamping cavity 1111 and a through hole 1113. The hanging port 1112 and the through hole 1113 are both connected to the clamping cavity 1111. The pressing piece 112 is located in the clamping cavity 1111. The clamping cavity 1111 has a clamping surface 1114. The pressing piece 112 and the clamping surface 1114 are arranged opposite to each other. The insulating pressing piece 113 is inserted into the through hole 1113 and is threadedly connected to the hole wall of the through hole 1113. Part of the insulating pressing piece 113 extends into the clamping cavity 1111, and part of the insulating pressing piece 113 is located outside the clamping cavity 1111. One end of the insulating pressing piece 113 extending into the clamping cavity 1111 is rotatably connected to the clamping piece 112. The clamping piece 112 can move toward or away from the clamping surface 1114 under the drive of the insulating pressing piece 113. The clamping surface 1114 is a partial area of ​​the wire clamp body 111 facing the clamping cavity 1111.

[0071] During specific implementation, after the wire 200 passes through the hanging port 1112 and enters the clamping cavity 1111, the clamping surface 1114 abuts against the top of the wire 200, and the wire 200 is located between the clamping surface 1114 and the clamping piece 112. The insulating top pressure piece 113 can be driven to move to drive the clamping piece 112 to move, so that the wire 200 is clamped between the clamping surface 1114 and the clamping piece 112.

[0072] In one embodiment, the clamping surface 1114 and / or the clamping member 112 are provided with strip grooves (not marked in the figure) to make the clamping surface 1114 uneven and to make the side of the clamping member 112 facing the conductor 200 have different convexities and concavities, thereby increasing the friction force on the conductor 200 and improving the firmness of the grounding device 100 installed on the conductor 200.

[0073] In one embodiment, the live wire clamp 11 further includes a bushing (not shown), which is detachably mounted on the clamping surface 1114. By configuring bushings of different thicknesses, the live wire clamp 11 can clamp wires 200 of different diameters, that is, clamp wires 200 of different thicknesses.

[0074] See also Figure 5 An insulating first operating ring 1131 is provided at one end of the insulating top pressing piece 113 away from the clamping piece 112. By providing the first operating ring 1131, in addition to being able to operate the insulating top pressing piece 113 by hand, the insulating top pressing piece 113 can also be operated by a gun-type grounding rod and an operating rod, thereby expanding the application range of the grounding device 100.

[0075] See also Figure 2 , Figure 4 and Figure 8The wire clamp body 111 is provided with a second operating ring 1115, and the outer surface of the second operating ring 1115 is provided with a wire clamp insulating shell 12. Therefore, in addition to being able to operate the wire clamp assembly 10 by hand, the wire clamp assembly 10 can also be operated using a shotgun-type grounding rod and an operating rod, thereby expanding the application range of the grounding device 100.

[0076] See also Figure 4 , Figure 5 and Fig. 9 The wire clamp insulating shell 12 includes two second insulating shells 121 , and the two second insulating shells 121 enclose a receiving cavity 122 , and the wire clamp body 111 is located in the receiving cavity 122 .

[0077] In one embodiment, the two second insulating shells 121 are connected by snapping, and the second insulating shells 121 are connected by snapping with the wire clamp body 111. In this way, the assembly of the wire clamp body 111 and the second insulating shell 121 is convenient and quick, and the two are not easy to separate and are firmly connected. Figure 8 and Fig. 9 The wire clamp body 111 is provided with a plurality of snap-fit ​​grooves 1117 , and the second insulating shell 121 is provided with a plurality of snap-fit ​​protrusions 1211 . The wire clamp body 111 and the second insulating shell 121 are connected by snap-fitting of the snap-fit ​​grooves 1117 and the snap-fit ​​protrusions 1211 .

[0078] See also Figure 2 and Figure 8 The wire clamp body 111 is also provided with two escape openings 1116 communicating with the clamping cavity 1111, and the two escape openings 1116 are arranged opposite to each other along the extension direction of the wire 200 in the clamping cavity 1111. By providing the escape openings 1116, the wire 200 can extend out of the clamping cavity 1111.

[0079] The wire clamp insulating housing 12 also includes two insulating plates 123, which are respectively connected to opposite sides of the clamp 112 and are respectively located at two avoidance openings 1116. The two insulating plates 123 can move with the movement of the clamp 112. By providing the insulating plates 123, the clamp 112 can be insulated, and the insulating plates 123 are located at the avoidance openings 1116, which can cover the portion of the avoidance openings 1116 where no wire 200 passes, thereby improving the insulation effect on the wire clamp body 111. In a specific implementation, one end of the insulating plate 123 is connected to the clamp 112, and the length of the insulating plate 123 is set to be long enough so that when the clamp 112 compresses the wire 200, the end of the insulating plate 123 away from the clamp 112 can extend to the end of the avoidance opening 1116 away from the wire 200.

[0080] The embodiment of the present invention further provides a grounding method, using the above-mentioned grounding device 100, comprising the following steps:

[0081] Hang the wire clamp assembly on the wire in the energized state and clamp the wire to complete the installation of the grounding device;

[0082] After the conductor is powered off, the grounding insulation shell is separated from the grounding connector, even if the grounding connector is exposed;

[0083] Connect the ground wire to the ground connector.

[0084] The grounding method provided by the present invention can install the grounding device 100 when the conductor 200 is in an energized state. Compared with the method of forming a closed grounding wire through construction and installation, there is no need to expand the power outage range. After installation, the installation can meet the requirements of construction and maintenance within the minimum power outage range.

[0085] In one embodiment, the wire clamp assembly is hung on a wire in an energized state and the wire is clamped, comprising the following steps:

[0086] Turn the insulating cover to open the hanging interface;

[0087] Pass the wire through the hanging interface and enter the clamping cavity;

[0088] Rotate the insulation cover in the opposite direction so that the insulation cover is closed on the hanging interface and the clamping surface is in contact with the wire;

[0089] The insulating top pressing piece is driven to move the pressing piece toward the clamping surface to clamp the wire.

[0090] In one embodiment, the grounding insulating housing is separated from the grounding connector, comprising the following steps:

[0091] The two first insulating shells are rotated in opposite directions.

[0092] Embodiment 2:

[0093] The grounding device 100 provided in this embodiment is different from that in the first embodiment mainly in that the detachable connection method of the two first insulating shells 221 is different, which is specifically reflected in that: in the first embodiment, the two first insulating shells 221 are detachably connected through the magnetic fit of two magnetic suction members 23, and are also detachably connected through the snap-fit ​​of the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242; while in this embodiment, the two first insulating shells 221 are detachably connected through the magnetic fit of the two magnetic suction members 23.

[0094] In addition to the above differences, the grounding device 100 and the grounding method provided by the present invention can be designed with reference to the first embodiment and will not be described here again.

[0095] Embodiment three:

[0096] The grounding device 100 provided in this embodiment is different from that in the first embodiment mainly in that the detachable connection method of the two first insulating shells 221 is different, which is specifically reflected in that: in the first embodiment, the two first insulating shells 221 are detachably connected through the magnetic cooperation of the two magnetic suction members 23, and are also detachably connected through the snap-fit ​​cooperation of the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242; while in this embodiment, the two first insulating shells 221 are detachably connected through the snap-fit ​​cooperation of the first snap-fit ​​connector 241 and the second snap-fit ​​connector 242.

[0097] In addition to the above differences, the grounding device 100 and the grounding method provided by the present invention can be designed with reference to the first embodiment and will not be described here again.

[0098] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A grounding device, characterized in that: include: A wire clamp assembly, comprising a live wire clamp and a wire clamp insulating shell, wherein the live wire clamp can be used to clamp the wire when the wire is in a powered state, and the wire clamp insulating shell is arranged on the outer surface of the live wire clamp; The grounding connection assembly comprises a grounding connector and a grounding insulating shell. The grounding connector is electrically connected to the live wire clamp for electrical connection of the grounding wire. The grounding insulating shell can be switched between a state in which the grounding connector is enclosed and a state in which the grounding connector is exposed.

2. The grounding device according to claim 1, characterized in that: The grounding insulating shell includes two first insulating shells, both of which are movably connected to the wire clamp insulating shell and can be enclosed to form a receiving cavity, and the receiving cavity is used to receive the grounding connector; The two first insulating shells are detachably connected to each other so that the grounded insulating shell can be switched between a closed state and an open state; When the grounded insulating shell is in the closed state, the two first insulating shells are connected to each other and enclose the accommodating cavity, and the grounding connector is located in the accommodating cavity so that the grounding connector is closed; When the grounding insulating shell is in the open state, the two first insulating shells are separated from each other so that the grounding connector is exposed.

3. The grounding device according to claim 2, characterized in that: The two first insulating shells are arranged along the first direction and are rotatably connected to the insulating shell of the wire clamp respectively; When the grounding device is clamped on the conductive wire, the conductive wire in the grounding device extends along the first direction.

4. The grounding device according to claim 3, characterized in that: The first insulating shell is configured to be rotatable relative to the clamp insulating housing under the action of an external force.

5. The grounding device according to claim 2, characterized in that: The ground connection assembly further includes two magnetically attracted magnetic parts, each of the first insulating shells is connected to one of the magnetic parts, and the two first insulating shells are detachably connected through the magnetic attraction of the two magnetic parts.

6. The grounding device according to claim 5, characterized in that: Each of the first insulating shells includes an insulating part, a connecting part and a magnetic part, the insulating part is connected between the connecting part and the magnetic part, the connecting part is movably connected to the wire clamp insulating shell, the magnetic attraction part is installed on the magnetic part, and the insulating part is used to enclose and form the accommodating cavity.

7. The grounding device according to claim 2, characterized in that: One of the two first insulating shells is provided with a first snap-fit ​​connector, and the other is provided with a second snap-fit ​​connector, and the two first insulating shells are detachably connected through snap-fitting of the first snap-fit ​​connector and the second snap-fit ​​connector; The first clip connection member is a clip slot, and the second clip connection member is a clip buckle; or, both the first clip connection member and the second clip connection member are clip buckles.

8. The grounding device according to claim 1, characterized in that: The grounding connector includes a grounding body and a blocking portion; The grounding body is cylindrical and electrically connected to one side of the live wire clamp. The blocking portion is connected to one end of the grounding body away from the live wire clamp and is protrudingly arranged along the circumference of the grounding body.

9. The grounding device according to any one of claims 1 to 8, characterized in that: The wire clamp assembly is provided with a hanging port and a clamping cavity, wherein the hanging port is connected to the clamping cavity and is used for the wire to pass through and enter the clamping cavity; The grounding device also includes an insulating cover, which is movably connected to the wire clamp assembly and is used to cover the hanging interface.

10. A grounding method, characterized in that: The grounding device according to any one of claims 1 to 9 comprises the following steps: Hanging the wire clamp assembly on the wire in an energized state and clamping the wire; After the conductor is powered off, the grounding insulation shell is separated from the grounding connector; Connect a ground wire to the ground connector.

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