CN205790462U - A kind of power secure grounding cable line - Google Patents

Abstract

The utility model provides an electric safety grounding wire, which includes a movable base, a left support plate, a right support plate, and a middle support are arranged above the base, and a telescopic insulating rod is arranged above the middle support. There is a hook above the insulating rod, and the hook is connected with the electric wire. A large wire wheel for winding the electric wire is arranged between the right support plate and the middle support. Between the left support plate and the middle support There is a small wire wheel in between, and a conductive slip ring is arranged between the small wire wheel and the big wire wheel. A grounding wire is wound on the small wire wheel. One end of the grounding wire is electrically connected to the electric wire through a conductive slip ring. One end is provided with a grounding post. The grounding wire is easy to use, and the operator can hang the wire on the ground through the telescopic insulating rod. At the same time, the grounding wire adopts a controllable wire winding device, and the length of the wire can be selected according to the actual length of use, avoiding the discount of the grounding wire, etc. Damage to the ground wire.

Description

An electrical safety grounding wire

technical field

The utility model mainly relates to the technical field of grounding wires, in particular to an electric safety grounding wire.

Background technique

The grounding line is the line directly connected to the earth, and it can also be called a safety return line. When it is in danger, it will directly transfer the high voltage to the earth, which can be regarded as a lifeline. In the power system, the ground wire is an important tool to ensure the safety of the staff when the voltage appears unexpectedly on the equipment and lines that have been powered off. The existing safety grounding wire generally adopts a hook-type grounding wire structure, which is mainly composed of an insulating rod, a hook, a grounding wire and a grounding rod. One end of the grounding wire is connected to the conductor clamp, and the other end is connected to the grounding rod. During power line construction, work A person holds an insulating pole and hangs the conductor clamp on the power transmission line, while inserting the grounding pole into the ground.

The traditional hook-type grounding wire has the following disadvantages in the actual use process: the length of the insulation rod of the traditional grounding wire is short, and the staff needs to stand at a high place to hang the hook on the high-voltage line, which is very inconvenient to use; the traditional grounding wire The length is long, and it is easy to cause irregularities such as cable bending and discounting, which will cause damage to the grounding wire and pose a threat to the personal safety of the staff; moreover, the traditional grounding wire needs to use additional tools to wind the grounding wire after use. It consumes more time and manpower.

Utility model content

In order to solve the deficiencies of the current technology, this utility model combines the existing technology and starts from practical application to provide a kind of electric safety grounding wire. This grounding wire is easy to use, and the operator can hang the wire on the ground through the telescopic insulating rod. At the same time, the grounding wire adopts a controllable wire winding device, and the length of the wire can be selected according to the actual length of use, avoiding damage to the grounding wire such as discounting the grounding wire.

In order to achieve the above object, the technical scheme of the utility model is as follows:

An electric safety grounding wire, comprising a movable base, a left support plate and a right support plate are arranged above the base, an intermediate support is provided between the left support plate and the right support plate, and above the intermediate support A telescopic insulating rod is provided, and a hook is arranged on the top of the insulating rod, and the electric wire is connected to the hook, and a large wire wheel for winding the electric wire is arranged between the right support plate and the middle support. A small wire wheel is provided between the left support plate and the middle support, the small wire wheel and the large wire wheel are coaxially arranged, and a conductive slip ring is arranged between the small wire wheel and the large wire wheel, and the conductive slip ring is fixed in the middle On the support, a grounding wire is wound on the small wire wheel, one end of the grounding wire is electrically connected to the electric wire through a conductive slip ring, and the other end of the grounding wire is provided with a grounding post.

A rotatable right rotating shaft is arranged on the right support plate, one end of the right rotating shaft is connected with a large wire wheel, and the other end of the right rotating shaft is provided with a right rotating handle.

The right support plate is provided with a right bearing supporting the right rotating shaft, and the right rotating shaft and the right bearing are in interference fit.

A rotatable left shaft is provided on the left support plate, one end of the left shaft is connected to a small wire wheel, and the other end of the left shaft is provided with a left rotation handle.

The left support plate is provided with a left bearing supporting the left shaft, and the left shaft is in interference fit with the left bearing.

The conductive slip ring includes a rotating part and a fixed part, the rotating part is screwed to the end of the small wire wheel, the fixed part is screwed to the end of the large wire wheel, and an intermediate bearing is provided in the intermediate support, so The fixing part is arranged in the intermediate bearing.

The small wire wheel is provided with a ground wire hole, and one end of the ground wire passes through the ground wire hole to connect to the terminal on the rotating part, and the large wire wheel is provided with a wire hole, and one end of the electric wire is passed through The holes are connected to the terminals on the fixed part.

The beneficial effects of the utility model:

The grounding wire of the utility model is set on a movable base, which is convenient for the storage and use of the grounding wire. The insulating rod can adopt a manual or electric telescopic structure, which can be raised from the ground to the high-voltage cable, so that the staff can carry out the work on the ground. The hooking of the grounding wire, and during the stretching process of the insulating rod, the connecting wire can be extended or wound by operating the large wire wheel, which is suitable for use at various heights, and at the same time, there will be no phenomena such as discounting and entanglement of the grounding cable ; The grounding wire of the utility model is divided into two parts, one part is used to connect the high-voltage cable at a high place, and the other part is used to connect the ground at a low place. When they are connected, they can be operated independently without interfering with each other, and are very convenient for the installation of electric wires and grounding wires.

Description of drawings

Accompanying drawing 1 is the overall structural representation of the utility model.

Labels shown in the accompanying drawings: 1, hook; 2, insulating rod; 3, electric wire; 4, right support plate; 5, right bearing; 6, right rotating handle; 7, right rotating shaft; 8, large wire wheel ; 9, middle support; 10, middle bearing; 11, conductive slip ring; 12, grounding column; 13, small wire wheel; 14, left turning handle; 15, left bearing; 16, left support plate; 17, grounding Lead wire; 18, left rotating shaft; 19, base.

detailed description

The utility model will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

As shown in Figure 1, an electric safety grounding wire includes a movable base 19, a left support plate 16 and a right support plate 4 are arranged above the base 19, and the connection between the left support plate 16 and the right support plate 4 An intermediate support 9 is provided between them, and a telescopic insulating rod 2 is arranged above the intermediate support 9, and a hook 1 is arranged above the insulating rod 2, and the connecting wire 3 is connected to the hook 1, and the right branch A large wire wheel 8 for winding the electric wire 3 is arranged between the plate 4 and the middle support 9, and a small wire wheel 13 is arranged between the left support plate 16 and the middle support 9, and the small wire wheel 13 and The large wire wheel 8 is coaxially arranged, and a conductive slip ring 11 is arranged between the small wire wheel 13 and the large wire wheel 8. The conductive slip ring 11 is fixed on the middle support 9, and the small wire wheel 13 is wound with a ground wire 17. One end of the grounding wire 17 is electrically connected to the electric wire 3 through the conductive slip ring 11 , and the other end of the grounding wire 17 is provided with a grounding post 12 .

The base 19 of the utility model is a rectangular plate, and the bottom of the base 19 is provided with rollers for the movement of the base 19. When in use, the device can be moved by the rollers so that the device can be used in various work sites. The left support plate 16 and the right support plate 4 are respectively arranged on the left and right sides of the base 19, the middle support 9 is arranged between the left support plate 16 and the right support plate 4, and the large wire wheel 8 is arranged in the space between the middle support 9 and the right support plate 4, A small wire wheel 13 is arranged in the space between the middle support 9 and the left support plate 16 . The grounding wire of the present utility model is divided into two parts, that is, the electric wire 3 and the grounding wire 17, the electric wire 3 and the grounding wire 17 are soft copper wires, and the large wire wheel 8 is provided with a wire hole, and the electric wire 3 is wound on On the large wire wheel 8, one end of the electric wire 3 is connected to the hook 1, and the other end passes through the wire hole inside the large wire wheel 8 and is connected to the terminal of the conductive slip ring 11. The small wire wheel 13 is provided with a ground wire hole, and the ground wire 17 One end is connected to the grounding pole 12, and the other end is connected to the conductive slip ring 11 through the ground wire hole in the small wire wheel 13. The conductive slip ring 11 connects the electric wire 3 and the ground wire 17, and the electric connection can be realized through the conductive slip ring 11. Under the situation that lead wire 3 and ground wire 17 are communicated and can be rotated relatively can not take place wire entanglement situation.

When the utility model is in use, the device is first pushed to the scene, and the insulating rod 2 is raised from the bottom by manual or electric operation. During the lifting process of the insulating rod 2, the large wire wheel 4 is rotated to make the connecting wire 3 Rising together with the insulating rod 2, when the insulating rod 2 reaches the high-voltage cable, just hang the hook 1. Since the length of the connecting wire 3 is controllable, there will be no chaotic entanglement and discounting of the copper wire, which avoids the phenomenon of the connecting wire 3 After the connection of the electric wire 3 is completed, operate the small wire wheel 13 to elongate the ground wire 17, and install the ground post 12 to a suitable position on the ground. Since the ground wire 17 is wound on the small wire wheel 13, the ground wire 13 also can not appear disorderly twisting and discounting phenomenon, because the length of grounding wire 17 can be adjusted at any time, so the installation position of grounding post 12 is not restricted, can be installed in the place of any convenient installation nearby, between electric wire 13 and grounding wire 17 They are connected by the conductive slip ring 11, so the electric wire 13 and the ground wire 17 can rotate freely under the condition of electrical connection.

The right support plate 4 of the utility model is provided with a rotatable right rotating shaft 7, one end of the right rotating shaft 7 is connected with a large wire wheel 8, and the other end of the right rotating shaft 7 is provided with a right rotating handle 6; The right bearing 5 of rotating shaft 7, right rotating shaft 7 and right bearing 5 interference fit; Turn the handle 14; the left support plate 16 is provided with a left bearing 15 supporting the left rotating shaft 18, and the left rotating shaft 18 and the left bearing 15 have an interference fit. The structure is simple and the movement is flexible. By operating the right rotation handle 6 and the left rotation handle 14 to control the large wire wheel 4 and the small wire wheel 13 to wind the grounding wire, the operation is convenient and labor-saving.

The conductive slip ring 11 of the utility model includes a rotating part and a fixed part, the rotating part is threadedly connected with the end of the small wire wheel 13, the fixed part is threadedly connected with the end of the large wire wheel 8, and the middle support 9 is provided with There is an intermediate bearing 10 in which the fixing portion is arranged. The big wire wheel 4, the small wire wheel 13 and the conductive slip ring 11 are all coaxially arranged, and a bearing is provided between the rotating parts, so that the large wire wheel 4, the small wire wheel 13 and the conductive slip ring 11 can be flexibly rotated.

Claims (7)

1. An electric safety ground wire, comprising a movable base (19), is characterized in that: a left support plate (16) and a right support plate (4) are arranged above the base (19), and the left support plate (16) and the right support plate (4) are provided with an intermediate support (9), and a telescopic insulating rod (2) is provided above the intermediate support (9), and a telescopic insulating rod (2) is arranged above the insulating rod (2). There is a hook (1), the hook (1) is connected with the electric wire (3), and a large hole for winding the electric wire (3) is arranged between the right support plate (4) and the middle support (9). A wire wheel (8), a small wire wheel (13) is arranged between the left support plate (16) and the middle support (9), and the small wire wheel (13) and the large wire wheel (8) are coaxially arranged , a conductive slip ring (11) is provided between the small wire wheel (13) and the large wire wheel (8), the conductive slip ring (11) is fixed on the middle support (9), and the small wire wheel (13) is wound with A grounding wire (17), one end of the grounding wire (17) is electrically connected to the electric wire (3) through a conductive slip ring (11), and the other end of the grounding wire (17) is provided with a grounding post (12). 2. An electric safety ground wire according to claim 1, characterized in that: the right support plate (4) is provided with a rotatable right shaft (7), and one end of the right shaft (7) is connected to a large Wire wheel (8), right rotating shaft (7) other end is provided with right rotating handle (6). 3. An electric safety grounding wire according to claim 2, characterized in that: the right support plate (4) is provided with a right bearing (5) supporting the right rotating shaft (7), and the right rotating shaft (7) ) is an interference fit with the right bearing (5). 4. An electric safety ground wire according to claim 1, characterized in that: the left support plate (16) is provided with a rotatable left shaft (18), and one end of the left shaft (18) is connected to a small Wire wheel (13), the other end of left rotating shaft (18) is provided with left rotating handle (14). 5. An electric safety grounding wire according to claim 4, characterized in that: the left support plate (16) is provided with a left bearing (15) supporting the left rotating shaft (18), and the left rotating shaft (18) ) is an interference fit with the left bearing (15). 6. An electric safety ground wire according to claim 1, characterized in that: the conductive slip ring (11) includes a rotating part and a fixed part, and the rotating part is screwed to the end of the small wire pulley (13) , the fixing part is threadedly connected with the end of the large spool (8), the middle bearing (10) is arranged in the middle support (9), and the fixing part is arranged in the middle bearing (10). 7. An electric safety grounding wire according to claim 6, characterized in that: the small wire wheel (13) is provided with a ground wire hole, and one end of the ground wire (17) passes through the ground wire hole to connect and rotate The connecting terminal on the part, the wire hole is provided in the described large wire wheel (8), and one end of the electric wire (3) passes through the wire hole to connect the connecting terminal on the fixed part.