CN210779051U - Ground terminal and grounding device having the same - Google Patents

Abstract

The utility model provides a grounding terminal and a grounding device having the same, wherein the grounding terminal includes: a terminal body, including a first connecting section, a second connecting section and a third connecting section which are connected in sequence, and the first connecting section is on the first connecting section. A first connection hole connected to the ground wire is provided, the axis of the first connection hole is arranged in parallel with the axis of the terminal body, one of the second connection segment and the third connection segment is provided with an external thread, and the other is provided with a third connection. Two connecting holes. The technical solution of the present application effectively solves the problem of the lack of versatility of the ground terminal in the prior art, which leads to inconvenience in use.

Description

Ground terminal and grounding device having the same

technical field

The utility model relates to the field of safety tools, in particular to a grounding terminal and a grounding device having the same.

Background technique

Grounding is a safety measure taken in the event of an abnormal failure of grounded equipment. The ground terminal of the substation is connected to the ground stake. The material of the ground terminal depends on the material of the ground wire. The ground terminal can be used in conjunction with the ground wire. Using the grounding terminal can make the grounding wire have good grounding conditions, and avoid the connection position of the grounding wire is not fixed, and there is a potential safety hazard.

The ground terminals of prior art substations generally include two types. Different types of grounding terminals are required for different types of grounding stakes. The lack of versatility of the ground terminal makes it inconvenient to use.

Utility model content

The main purpose of the present invention is to provide a grounding terminal and a grounding device having the same, so as to solve the problem that the grounding terminal in the prior art lacks versatility and is inconvenient to use.

In order to achieve the above object, according to one aspect of the present invention, a grounding terminal is provided, comprising: a terminal body, including a first connection segment, a second connection segment and a third connection segment connected in sequence, and the first connection segment is provided with There is a first connection hole connected with the ground wire, the axis of the first connection hole is arranged in parallel with the axis of the terminal body, one of the second connection segment and the third connection segment is provided with an external thread, and the other is provided with a second connection. connection hole.

Further, the axis of the second connection hole is perpendicular to the axis of the terminal body.

Further, the first connecting section and the second connecting section are cylindrical, and the diameter of the first connecting section is equal to that of the second connecting section.

Further, the third connecting section is plate-shaped, and the thickness of the third connecting section is smaller than the diameter of the second connecting section so that a stepped surface is formed between the third connecting section and the second connecting section.

Further, the ground terminal further includes a nut matched with the external thread.

Further, the terminal body further includes a fourth connection segment disposed between the first connection segment and the second connection segment, and the fourth connection segment protrudes from the first connection segment and the second connection segment along the radial direction of the terminal body.

According to another aspect of the present invention, a grounding device is provided, comprising a connection terminal, and the connection terminal is the above-mentioned connection terminal.

Further, the grounding device further includes a first hook and a ground wire connecting the first hook and the connection terminal.

Further, the first hook includes a first hook handle and a first hook body arranged on the first hook handle, the grounding device further includes a second hook arranged on the first hook, and the second hook includes a second hook handle and is arranged on the first hook. On the second hook body on the second hook handle, the hook opening of the first hook body and the hook opening of the second hook body are both arranged downward.

Further, the grounding device further includes bolts, the first hook handle is provided with a first mounting hole, the second hook handle is provided with a second mounting hole, the bolt is connected in the first mounting hole and the second mounting hole, the first mounting hole is The holes are screw holes.

Applying the technical solution of the present utility model, the grounding terminal comprises: a terminal body. The terminal body includes a first connection segment, a second connection segment and a third connection segment which are connected in sequence. The first connection section is provided with a first connection hole connected with the ground wire, and the axis of the first connection hole is arranged in parallel with the axis of the terminal body. The arrangement of the first connection hole can squeeze the ground wire. One of the second connection segment and the third connection segment is provided with an external thread, and the other is provided with a second connection hole. The grounding terminal of the present application simultaneously provides two connection modes, an external thread and a second connection hole, and a suitable connection mode can be selected according to the type of the grounding stake to be connected to the grounding stake, which has good versatility and is convenient and quick to use. The technical solution of the present application can effectively solve the problem of the lack of versatility of the ground terminal in the prior art, which leads to inconvenient use.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 shows a schematic front view of an embodiment of a ground terminal according to the present invention;

FIG. 2 shows a schematic top view of the terminal body of the ground terminal of FIG. 1;

FIG. 3 shows a left side schematic view of the terminal body of the ground terminal of FIG. 1;

FIG. 4 shows a schematic top view of the nut of the grounding terminal of FIG. 1;

FIG. 5 shows a schematic front view of the nut of the grounding terminal of FIG. 1;

6 shows a schematic front view of a first hook according to an embodiment of the grounding device of the present invention;

Fig. 7 shows a left side schematic view of the first hook of the grounding device of Fig. 6;

FIG. 8 shows a schematic right side view of the first hook of the grounding device of FIG. 6; and

FIG. 9 shows a schematic top view of the first hook of the grounding device of FIG. 6 .

Wherein, the above-mentioned drawings include the following reference signs:

10. Terminal body; 11. First connecting section; 111. First connecting hole; 12. Second connecting section; 121. External thread; 13. Third connecting section; 131. Second connecting hole; 14. Step surface; 15. Fourth connecting segment; 20, nut; 30, first hook; 31, first hook body; 32, first hook handle; 33, installation groove; 40, second hook; 41, second hook body; 42 , The second hook handle; 50, bolts.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application or uses in any way. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

As shown in FIG. 1 to FIG. 3 , the ground terminal of this embodiment includes: a terminal body 10 . The terminal body 10 includes a first connection segment 11 , a second connection segment 12 and a third connection segment 13 which are connected in sequence. The first connection section 11 is provided with a first connection hole 111 connected to the ground wire, and the axis of the first connection hole 111 is parallel to the axis of the terminal body 10 . The second connection section 12 is provided with an external thread 121 , and the third connection section 13 is provided with a second connection hole 131 .

Applying the technical solution of this embodiment, the ground terminal includes a terminal body. The terminal body 10 includes a first connection segment 11 , a second connection segment 12 and a third connection segment 13 which are connected in sequence. The arrangement of the first connection hole 111 can squeeze the ground wire. The second connection section 12 is provided with an external thread 121 , and the third connection section 13 is provided with a second connection hole 131 . The grounding terminal of this embodiment provides two connection methods, the external thread 121 and the second connection hole 131 , and can be connected to the grounding stake by selecting a suitable connection method according to the type of the grounding stake. It has good versatility and is convenient and quick to use. The technical solution of the present embodiment can effectively solve the problem of inconvenient use due to the lack of versatility of the ground terminal in the prior art.

It should be noted that the depth of the first connecting hole 111 in this embodiment is preferably 4 cm, and the diameter is preferably 1 cm; the diameter of the second connecting hole 131 is preferably 1.1 cm; the length of the second connecting section 12 is preferably 4 cm, and the outer diameter is preferably 4 cm. The diameter is 1.4cm. The above-mentioned dimensions make the terminal block simple in structure, easy to process, and convenient for mass production.

In the embodiments not shown in other figures, the third connection segment is provided with an external thread, and the second connection segment is provided with a second connection hole. In this way, two connection methods can be provided in this embodiment.

As shown in FIGS. 1 and 2 , in this embodiment, the axis of the second connection hole 131 is perpendicular to the axis of the terminal body 10 . In this way, when the ground terminal is connected to the ground stake, a bolt can be used to pass through the second connection hole 131 from top to bottom, which is convenient for connection.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the first connecting section 11 and the second connecting section 12 are cylindrical, and the diameter of the first connecting section 11 and the diameter of the second connecting section 12 are equal. Such a standard shape is easy to process and form. At the same time, the first connection segment 11 and the ground wire are crimped to deform the first connection segment 11 to fix one end of the ground wire in the first connection hole 111 . The first connecting section 11 is preferably a pipe body of a wire nose.

As shown in FIG. 1 and FIG. 3 , in this embodiment, the third connecting section 13 is plate-shaped, and the thickness of the third connecting section 13 is smaller than the diameter of the second connecting section 12 so that the third connecting section 13 and the second connecting section A stepped surface 14 is formed between the 12 . In the process of connecting the external thread 121 with the internal thread on the grounding stake, the internal thread can pass through the third connection segment 13 without interfering with the third connection segment 13 . At the same time, when the second connection hole 131 is connected with the grounding pile with bolts, the third connection section 13 is plate-shaped and can support the bolt, so that the second connection hole 131 and the bolt are connected more firmly.

As shown in FIG. 4 and FIG. 5 , in the present embodiment, in the case of selecting an external thread connection, the ground terminal further includes a nut 20 matched with the external thread 121 . In this way, the nut 20 can be connected with the second connection section 12, and the ground terminal can be fixed on the ground stake to realize the connection.

As shown in FIGS. 2 and 3 , the terminal body 10 further includes a fourth connection segment 15 disposed between the first connection segment 11 and the second connection segment 12 . The fourth connection segment 15 protrudes from the first connection segment 11 and the second connection segment 12 along the radial direction of the terminal body 10 . The arrangement of the fourth connection segment 15 can limit the movement of the nut 20 along the axis direction, and serve the purpose of stopping.

The present application further provides a grounding device. In this embodiment, the grounding device in this embodiment includes a connection terminal, and the connection terminal is the above-mentioned connection terminal. The technical solution of the grounding device in this embodiment can effectively solve the problem that the grounding terminal in the prior art lacks versatility, which leads to inconvenience in use.

As shown in FIG. 6 to FIG. 8 , in this embodiment, the grounding device further includes a first hook 30 and a ground wire connecting the first hook 30 and the connection terminal. In this way, the arrangement of the ground wire can realize the energization of the first hook 30 and the connection terminal.

The inventor of the present application also found that in the prior art, although the conventional 35kV and 110kV grounding wires of substations have their own insulating operating rods, the insulating operating rods are not designed enough in length to be used alone. Insulation operating rods need to be used together as follows. One is to hang and remove the grounding wire with the insulating ladder. This method can greatly increase the workload, prolong the time for hanging the grounding wire, make the operation process cumbersome, cumbersome, and increase the risk. The first is to hang and dismantle the grounding wire in conjunction with the gram rod. When the gram rod is used, it can only be stuck at the nose of the grounding wire, which is easy to cause damage to the grounding wire at the interface, and the conductor end of the grounding wire is easy to fall off. security poses a serious threat.

As shown in FIG. 6 and FIG. 7 , the grounding device of the present application further includes a second hook 40 disposed on the first hook 30 . In this embodiment, the first hook 30 includes a first hook handle 32 and a The first hook body 31 on the hook handle 32 and the second hook 40 include a second hook handle 42 and a second hook body 41 disposed on the second hook handle 42 . In this way, the second hook 40 can cooperate with the gram bar to lift the first hook 30 . In this process, the setting of the second hook 40 can avoid the ground wire nose where the gram rod is stuck in the prior art, and can also prevent the ground wire and the gram rod from falling off. The hook opening of the first hook body 31 and the hook opening of the second hook body 41 are both disposed downward. It is convenient to hook the first hook 30 to the device. The above-mentioned devices may be isolating switches, circuit breakers, main transformers, bus bars and bus bars, and the like.

As shown in FIG. 6 and FIG. 9 , the first hook 30 further includes an installation groove 33 provided on the first hook body 31 , and the short-circuit wire is arranged in the installation groove 33 to avoid the conduction circuit from the top of the first hook body 31 . pass. The first hook 30 further includes an elastic sheet and a torsion spring connected with the elastic sheet. The elastic sheet and the torsion spring can be connected to the first hook handle 32 or the first hook body 31 . Through the action of the torsion spring, the shrapnel can press a part of the device to realize the hooking of the first hook 30 .

The second hook 40 in this embodiment is preferably a U-shaped flat iron barb, made of metal, 7 cm long, 2 cm wide, and 0.3 cm thick. The structure is externally installed, fixed with double bolts, and the connection is reliable and durable.

It should be noted that the grounding wire adopts multi-strand soft copper wire with transparent insulating sheath. The diameter of the insulating sheath is 25mm. The length of the insulating sheath can be designed according to the actual voltage level and distance, and is generally selected between 10m and 20m. between. A wire nose is used for crimping between the ground wire and the first hook 30 and the ground terminal, and the connection is reliable and durable. Specifically, the first hook handle 32 is provided with a third installation hole, and the wire nose is provided with a fourth connection hole, which is connected in the third installation hole through the fourth installation hole by a bolt, and the wire nose is fixed on the first hook on handle 32.

As shown in FIG. 6 and FIG. 7 , in this embodiment, the grounding device further includes a bolt 50 , the first hook handle 32 is provided with a first installation hole, the second hook handle 42 is provided with a second installation hole, the bolt 50 It is connected in the first installation hole and the second installation hole, and the first installation hole is a screw hole. The second hook 40 can be connected to the first hook 30 by the bolt 50 . There are two bolts 50, so that the connection is reliable and the use time is long.

In the description of the present invention, it should be understood that orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. The orientation or positional relationship is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientations do not indicate and imply the indicated device unless otherwise stated. Or elements must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood To limit the scope of protection of the present invention.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A ground terminal, characterized in that, comprising: A terminal body (10), comprising a first connection segment (11), a second connection segment (12) and a third connection segment (13) connected in sequence, the first connection segment (11) is provided with a connection with a ground wire The axis of the first connection hole (111) is parallel to the axis of the terminal body (10), the second connection section (12) and the third connection section ( 13) One of them is provided with an external thread (121), and the other is provided with a second connection hole (131). 2 . The ground terminal according to claim 1 , wherein the axis of the second connection hole ( 131 ) is perpendicular to the axis of the terminal body ( 10 ). 3 . 3 . The ground terminal according to claim 1 , wherein the first connecting section ( 11 ) and the second connecting section ( 12 ) are both cylindrical, and the diameter of the first connecting section ( 11 ) is cylindrical. 4 . It is equal to the diameter of the second connecting section (12). 4 . The ground terminal according to claim 1 , wherein the third connection section ( 13 ) is plate-shaped, and the thickness of the third connection section ( 13 ) is smaller than that of the second connection section ( 12 ). 5 . The diameter is such that a stepped surface (14) is formed between the third connecting section (13) and the second connecting section (12). 5. The grounding terminal according to claim 1, characterized in that, the grounding terminal further comprises a nut (20) matched with the external thread (121). 6. The grounding terminal according to claim 1, wherein the terminal body (10) further comprises a fourth connecting section (11) and a fourth connecting section (12) disposed between the first connecting section (11) and the second connecting section (12). A connection segment (15), the fourth connection segment (15) protrudes from the first connection segment (11) and the second connection segment (12) along the radial direction of the terminal body (10). 7 . A grounding device comprising a connection terminal, wherein the connection terminal is the connection terminal according to any one of claims 1 to 6 . 8. The grounding device according to claim 7, characterized in that, the grounding device further comprises a first hook (30) and a ground wire connecting the first hook (30) and the connection terminal. 9 . The grounding device according to claim 8 , wherein the first hook ( 30 ) comprises a first hook handle ( 32 ) and a first hook body disposed on the first hook handle ( 32 ). 10 . (31), the grounding device further includes a second hook (40) arranged on the first hook (30), the second hook (40) includes a second hook handle (42) and a second hook (42) arranged on the first hook (30). The second hook body (41) on the second hook handle (42), the hook opening of the first hook body (31) and the hook opening of the second hook body (41) are all disposed downward. 10. The grounding device according to claim 9, characterized in that the grounding device further comprises a bolt (50), the first hook handle (32) is provided with a first mounting hole, and the second hook handle (42) is provided with a second installation hole, the bolt (50) is connected in the first installation hole and the second installation hole, and the first installation hole is a screw hole.

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