CN218586374U

CN218586374U - Distribution network earthing device

Info

Publication number: CN218586374U
Application number: CN202221189285.4U
Authority: CN
Inventors: 韩红峰; 司诺; 郭旭; 元萌; 武术静
Original assignee: Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-03-07
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a distribution network earthing device belongs to distribution network technical field, has solved the technical problem that the earth connection is easily by corrosion damage. The cable fixing box comprises a fixing box body, a left supporting plate and a right supporting plate are fixedly arranged inside the fixing box body, a rotating shaft is arranged between the left supporting plate and the right supporting plate, two ends of the rotating shaft are respectively connected with the left supporting plate and the right supporting plate in a rotating mode, and a wire is wound on the peripheral wall of the rotating shaft. The left end of pivot is connected with the connecting rod, and the other end of connecting rod extends to the outside of fixed case, and rotates between the lateral wall of connecting rod and fixed case to be connected, and the one end fixedly connected with that the connecting rod is located the fixed case outside is used for driving connecting rod pivoted drive arrangement. The fixed containing box that is equipped with of lower extreme of fixed box, and containing box and fixed box communicate mutually, and the inside of containing box is provided with the telescopic cylinder, and the one end of wire runs through the inside of telescopic cylinder and extends to the lower extreme of telescopic cylinder, and the wire is located the horizontal steel of the detachable fixedly connected with of one end of telescopic cylinder lower extreme.

Description

Distribution network earthing device

Technical Field

The utility model belongs to the technical field of the distribution network, concretely relates to distribution network earthing device.

Background

The distribution network is an electric power network which receives electric energy from a transmission network or a regional power plant and distributes the electric energy to various users on site through distribution facilities or step by step according to voltage. The power distribution network consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, accessory facilities and the like, and plays a role in distributing electric energy in a power network. Normally, the metal casing of the electrical device is insulated from the live parts, and the casing is not live, but if the internal insulation of the appliance is aged or damaged, electricity may be transferred to the metal casing. If the shell is not grounded, people can get an electric shock if touching the shell, if the metal shell is grounded, current flows into the ground through the ground wire, and people cannot get an electric shock if touching the charged metal shell. The grounding is that a thicker wire is used to connect one end of the grounding wire to the shell of the electrical equipment, and the other end of the grounding wire is buried in the ground to a certain depth. In the existing grounding device, one end of a wire is directly buried underground, no protective measures are provided outside the wire, and the wire is easily damaged due to corrosion over time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a distribution network earthing device has solved the earth connection and has been corroded the technical problem who damages easily.

The utility model discloses a following technical scheme realizes: a power distribution network grounding device comprises a fixed box, wherein a left support plate and a right support plate are fixedly arranged inside the fixed box, a rotating shaft is arranged between the left support plate and the right support plate, two ends of the rotating shaft are respectively in rotating connection with the left support plate and the right support plate, and a conducting wire is wound on the peripheral wall of the rotating shaft; the left end of the rotating shaft is connected with a connecting rod, the other end of the connecting rod extends to the outside of the fixed box, the connecting rod is rotatably connected with the side wall of the fixed box, and one end, located outside the fixed box, of the connecting rod is fixedly connected with a driving device for driving the connecting rod to rotate; the fixed containing box that is equipped with of lower extreme of fixed case, just the containing box communicates with the fixed case mutually, the inside of containing box is provided with the telescopic cylinder, the one end of wire runs through the inside of telescopic cylinder and extend to the lower extreme of telescopic cylinder, and the wire is located the horizontal steel of the detachable fixedly connected with of one end of telescopic cylinder lower extreme.

Furthermore, the driving device comprises a vertical rod vertically and fixedly connected with the outer end of the connecting rod, and the other end of the vertical rod is vertically and fixedly connected with a hand crank.

Furthermore, a connecting support lug for fixedly connecting the storage box to the electrical equipment shell is fixedly arranged on the outer side wall of the storage box, and a round hole is formed in the connecting support lug.

Furthermore, the containing box adopts the screw to pass round hole fixed connection is on the shell of electrical equipment.

Furthermore, a connecting ring is fixedly arranged on the outer wall of the transverse steel, and the lower end of the wire is detachably connected to the connecting ring.

Furthermore, the transverse steel comprises a flat plate part and an annular cylinder part, and the annular cylinder part is fixedly connected with the flat plate part; the connecting ring is arranged on the outer wall of the ring cylinder part.

Furthermore, the number of the connecting support lugs is two, one of the connecting support lugs is arranged on the left side wall of the containing box, and the other connecting support lug is arranged on the right side wall of the containing box.

Further, the flat plate portion and the annular tube portion are integrally molded.

The utility model has the advantages that: through the setting of fixed case, containing box and telescopic cylinder, protect earth conductor from last to down, effectively avoid the wire to be corroded, extend the life of wire. Through winding the wire in the pivot, install the utility model discloses during earthing device, utilize the effect of pivot can be quick extend a flexible section of thick bamboo, convenient and fast during the installation. Set up horizontal steel through the lower extreme at the wire, bury horizontal steel underground certain degree of depth during the use, the wire gives horizontal steel with the electric current transfer, and horizontal steel is big with the area of contact of earth, can be quick spread into the earth with the electric current, improves the speed that the electric current spreads into the earth. Meanwhile, the arrangement of the transverse steel enables the lead to be more firm and firm to bury.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing box of the present invention;

FIG. 3 is a schematic structural view of the storage box of the present invention;

fig. 4 is a cross-sectional view taken at a in fig. 1 according to the present invention.

In the figure: 1. a fixed box; 2. a left support plate; 3. a right support plate; 4. a rotating shaft; 5. a wire; 6. a connecting rod; 7. a drive device; 8. a storage box; 9. a telescopic cylinder; 10. transverse steel; 11. a vertical rod; 12. a hand crank; 13. connecting the support lug; 14. a circular hole; 15. a connecting ring; 16. a flat plate portion; 17. a ring cylinder portion.

Detailed Description

The following is a more detailed description of the present invention with reference to the drawings, and it should be noted that all the terms of the same direction, are not all right, and are only for the purpose of more clear description and explanation of the present invention.

Example 1:

referring to fig. 1 to 4, the present embodiment discloses a grounding device for a power distribution network, which includes a fixing box 1, a containing box 8 and a telescopic cylinder 9, wherein the containing box 8 is fixed at the lower end of the fixing box 1, the containing box 8 is communicated with the fixing box 1, and the telescopic cylinder 9 can be retracted inside the containing box 8. Fixed case 1's inside is fixed to be equipped with left extension board 2 and right extension board 3, is provided with pivot 4 between left extension board 2 and the right extension board 3, and the both ends of pivot 4 rotate with left extension board 2, right extension board 3 respectively to be connected, and the winding has wire 5 on the perisporium of pivot 4. The left end of pivot 4 is connected with connecting rod 6, and the other end of connecting rod 6 extends to the outside of fixed case 1, and rotates between the lateral wall of connecting rod 6 and fixed case 1 and be connected, and connecting rod 6 is located the outside one end fixedly connected with of fixed case 1 and is used for driving connecting rod 6 pivoted drive arrangement 7. One end of the wire 5 runs through the inside of the telescopic cylinder 9 and extends to the lower end of the telescopic cylinder 9, and the wire 5 is arranged at the detachable fixed connection transverse steel 10 at the lower end of the telescopic cylinder 9.

This embodiment is through the setting of fixed case 1, containing box 8 and telescopic tube 9, from last to protecting earth wire 5 down, effectively avoids wire 5 to be corroded, extends wire 5's life. Through winding wire 5 on pivot 4, install the utility model discloses during earthing device, utilize pivot 4's effect can be quick extend a section of thick bamboo 9 that stretches out and draws back, convenient and fast during the installation. Through setting up horizontal steel 10 at the lower extreme of wire 5, bury horizontal steel 10 certain degree of depth underground during the use, wire 5 gives horizontal steel 10 with the electric current transfer, and horizontal steel 10 is big with the area of contact of earth, can be quick spread into the earth with the electric current into, improves the speed that the electric current spreads into the earth into. Meanwhile, the arrangement of the transverse steel 10 can lead the lead 5 to be embedded more firmly and firmly.

Example 2:

referring to fig. 1 to 4, the present embodiment discloses a grounding device for a power distribution network, which includes a fixed box 1, a left support plate 2 and a right support plate 3 are fixed inside the fixed box 1, a rotating shaft 4 is disposed between the left support plate 2 and the right support plate 3, two ends of the rotating shaft 4 are respectively rotatably connected to the left support plate 2 and the right support plate 3, and a conducting wire 5 is wound around a peripheral wall of the rotating shaft 4. The left end of pivot 4 is connected with connecting rod 6, and the other end of connecting rod 6 extends to the outside of fixed case 1, and rotates between the lateral wall of connecting rod 6 and fixed case 1 and be connected, and connecting rod 6 is located the outside one end fixedly connected with of fixed case 1 and is used for driving connecting rod 6 pivoted drive arrangement 7. The fixed containing box 8 that is equipped with of lower extreme of fixed case 1, and containing box 8 is linked together with fixed case 1, and the inside of containing box 8 is provided with telescopic cylinder 9, and the one end of wire 5 runs through telescopic cylinder 9's inside and extends to telescopic cylinder 9's lower extreme, and wire 5 is located the horizontal steel 10 of the detachable fixedly connected with of one end of telescopic cylinder 9 lower extreme.

For better effect, the driving device 7 comprises a vertical rod 11 vertically and fixedly connected with the outer end of the connecting rod 6, and a hand crank 12 vertically and fixedly connected with the other end of the vertical rod 11. When the device is used, the hand crank 12 is rotated by hand, the rotating shaft 4 starts to rotate under the action of the hand crank 12, and the rotating shaft 4 rotates to wind the conducting wire 5 on the rotating shaft 4 or release the conducting wire 5 from the rotating shaft 4. The connecting rod 6 is connected with the side wall of the fixed box 1 through a bearing.

For better effect, the outer side wall of the storage box 8 is fixedly provided with two connecting support lugs 13 for fixedly connecting the storage box 8 to the electrical equipment shell, and one of the two connecting support lugs 13 is arranged on the left side wall of the storage box 8, and the other connecting support lug is arranged on the right side wall of the storage box 8. The connecting lug 13 is provided with a round hole 14. The containing box 8 adopts the screw to pass round hole 14 fixed connection on the shell of electrical equipment, simple to operate, and it is convenient to dismantle, and spare part is purchased cheaply and easily and is purchased.

For better effect, a connecting ring 15 is fixedly arranged on the outer wall of the transverse steel 10, and the lower end of the lead 5 is detachably connected to the connecting ring 15. The horizontal steel 10 comprises a flat plate part 16 and a ring barrel part 17, the flat plate part 16 and the ring barrel part 17 are integrally formed, and the connecting ring 15 is arranged on the outer wall of the ring barrel part 17. The lead 5 can be quickly connected with the transverse steel 10 through the connecting ring 15.

This embodiment is through setting up wire 5 in the inside of fixed case 1, containing box 8 and telescopic tube 9, avoids wire 5 directly to expose externally, protects grounding wire 5 from last to down, prevents that wire 5 from being corroded, extends wire 5's life. Through winding wire 5 on pivot 4, install the utility model discloses during earthing device, utilize pivot 4's effect can be quick extend a section of thick bamboo 9 that stretches out and draws back, convenient and fast during the installation. Set up horizontal steel 10 through the lower extreme at wire 5, bury horizontal steel 10 certain degree of depth underground during the use, wire 5 gives horizontal steel 10 with the electric current transmission, and horizontal steel 10 is big with the area of contact of earth, can be quick spreads into the earth with the electric current into, improves the speed that electric current spreads into the earth into. Meanwhile, the arrangement of the transverse steel 10 can lead the lead 5 to be embedded more firmly and firmly.

Above, only the preferred embodiment of the present invention is described, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and concepts of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a distribution network earthing device, includes fixed case (1), its characterized in that: a left support plate (2) and a right support plate (3) are fixedly arranged inside the fixed box (1), a rotating shaft (4) is arranged between the left support plate (2) and the right support plate (3), two ends of the rotating shaft (4) are respectively rotatably connected with the left support plate (2) and the right support plate (3), and a lead (5) is wound on the peripheral wall of the rotating shaft (4); the left end of the rotating shaft (4) is connected with a connecting rod (6), the other end of the connecting rod extends to the outside of the fixed box (1), the connecting rod (6) is rotatably connected with the side wall of the fixed box (1), and one end, located outside the fixed box (1), of the connecting rod (6) is fixedly connected with a driving device (7) used for driving the connecting rod (6) to rotate; the fixed containing box (8) that is equipped with of lower extreme of fixed case (1), just containing box (8) are linked together with fixed case (1), the inside of containing box (8) is provided with telescopic cylinder (9), the one end of wire (5) is run through the inside of telescopic cylinder (9) and is extended to the lower extreme of telescopic cylinder (9), and wire (5) are located the horizontal steel of the detachable fixedly connected with of one end (10) of telescopic cylinder (9) lower extreme.

2. The power distribution network grounding device of claim 1, wherein: the driving device (7) comprises a vertical rod (11) which is vertically and fixedly connected with the outer end of the connecting rod (6), and the other end of the vertical rod (11) is vertically and fixedly connected with a hand crank (12).

3. The power distribution network grounding device of claim 1 or 2, wherein: the outer side wall of the containing box (8) is fixedly provided with a connecting support lug (13) for fixedly connecting the containing box (8) to the electric equipment shell, and the connecting support lug (13) is provided with a round hole (14).

4. The power distribution network grounding device of claim 3, wherein: the containing box (8) is fixedly connected to the shell of the electrical equipment by passing through the round hole (14) through a screw.

5. The power distribution network grounding device of claim 1, wherein: the outer wall of the transverse steel (10) is fixedly provided with a connecting ring (15), and the lower end of the lead (5) is detachably connected to the connecting ring (15).

6. The power distribution network grounding device of claim 5, wherein: the transverse steel (10) comprises a flat plate part (16) and an annular cylinder part (17), and the annular cylinder part (17) is fixedly connected with the flat plate part (16); the connecting ring (15) is arranged on the outer wall of the annular cylinder part (17).

7. The power distribution network grounding device of claim 3, wherein: the number of the connecting support lugs (13) is two, one of the connecting support lugs is arranged on the left side wall of the containing box (8), and the other connecting support lug is arranged on the right side wall of the containing box (8).

8. The power distribution network grounding device of claim 6, wherein: the flat plate portion (16) and the ring cylinder portion (17) are integrally formed.