CN212935498U - Lightning protection grounding box - Google Patents

Abstract

The application discloses lightning protection grounding box, be equipped with the installation cavity in the box, lay first electricity board and the second electricity board of connecing in the box, first electricity board and the second connects the one side that the box was kept away from to the electricity board and all is equipped with a plurality of insulator, first electricity board one side of keeping away from the insulator is equipped with first current conducting plate, be connected with the second current conducting plate between first current conducting plate and the first electricity board of connecing, first electricity board of connecing is kept away from first one side of connecing the electricity board and is equipped with the first insulating tube that a plurality of is connected with the second current conducting plate respectively, the lower extreme of box is equipped with a plurality of third insulating tube, be connected with the second insulating tube between first insulating tube and the third insulating tube, lay the horizontal insulation board of fixing on the box between first electricity board and the second electricity board, lay the vertical insulation board of fixing on the box between the adjacent second current conducting plate, horizontal insulation board and vertical. The utility model discloses can improve the lightning protection effect of ground connection case, improve the stability of ground connection.

Description

Lightning protection grounding box

Technical Field

The utility model relates to a technical field of grounding box especially relates to a lightning protection grounding box.

Background

The high-voltage cable system is composed of a cable body, accessories and grounding elements. Generally, a metal sheath of a short-circuit single-core high-voltage cable adopts a connection mode that one end is directly grounded and the other end is grounded through a gap or a protective resistor; the metal sheath of the long-line single-core high-voltage cable adopts a connection mode of three-phase subsection cross interconnection and direct grounding at two ends. The lightning protection device is generally used for preventing lightning stroke and inducing overvoltage to damage cables. But the lightning protection effect of ground connection case is not good when in actual use, under the strong convection weather in summer, often lead to the ground connection case impaired because of the thunderbolt, has influenced the normal use of ground connection case, so need develop a lightning protection ground connection case and solve the problem among the prior art urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough and provide a lightning grounding case.

Solve the technical problem, the utility model discloses take following technical scheme:

a lightning protection grounding box comprises a box body, wherein an installation cavity is arranged in the box body, a first electricity receiving plate and a second electricity receiving plate are arranged in the box body, a plurality of insulators are arranged on one sides, away from the box body, of the first electricity receiving plate and the second electricity receiving plate, a first current conducting plate is arranged on one side, away from the insulators, of the first electricity receiving plate, a second current conducting plate is connected between the first current conducting plate and the first electricity receiving plate, a plurality of first insulating tubes respectively connected with the second current conducting plate are arranged on one side, away from the first electricity receiving plate, of the first electricity receiving plate, a plurality of third insulating tubes are arranged at the lower end of the box body, a second insulating tube is connected between the first insulating tubes and the third insulating tubes, a transverse insulating plate fixed on the box body is arranged between the first electricity receiving plate and the second electricity receiving plate, and a longitudinal insulating plate fixed on the box body is arranged between the adjacent second electricity receiving plates, and the transverse insulating plate is fixedly connected with the longitudinal insulating plate.

The utility model discloses, laid the second internal insulation cover in the second insulating tube, first insulating tube is pegged graft in the second internal insulation cover, laid first internal insulation cover in the second internal insulation cover, be equipped with first direction chamber in the first insulating tube, be equipped with second direction chamber in the second insulating tube.

The utility model discloses, be equipped with the third direction chamber that communicates with second direction chamber in the third insulating tube, the tip of third insulating tube is equipped with first mounting groove, the bottom is equipped with first mounting panel in the first mounting groove, be equipped with first pivot on the first mounting panel, the periphery of first pivot is equipped with first leading wheel.

The embodiment of the utility model provides a, interval between first leading wheel and the third insulating tube inner wall is m, and 2cm is less than or equal to m and is less than or equal to 6 cm.

The utility model discloses, first insulating cover has been cup jointed to the periphery of first leading wheel.

The utility model discloses, first mounting groove forms the direction curved surface at third insulating tube inner wall.

The utility model discloses, the bottom is equipped with the piston in the first mounting groove, one side that the piston is close to first mounting panel is equipped with the piston axle, the piston axle is installed on first mounting panel, be equipped with the spring between piston and the first mounting panel, the periphery at the piston axle is cup jointed to the spring.

The utility model discloses, third insulating tube inner wall is equipped with the second mounting groove, be equipped with the second mounting panel in the second mounting groove, be equipped with the second pivot on the second mounting panel, be equipped with the second leading wheel in the second pivot, interval between second leading wheel and the third insulating tube inner wall is n, and 1cm is less than or equal to n and is less than or equal to 4 cm.

The utility model discloses, the insulating cover of second has been cup jointed to the periphery of second leading wheel.

According to the embodiment of the utility model, the box body is provided with the first air outlet cover, the first air outlet cover is internally provided with the first heat dissipation cavity, the lower end of the first air outlet cover is provided with the second through hole communicated with the first heat dissipation cavity, the box body is internally provided with the first through hole communicated with the first heat dissipation cavity, and the first through hole is positioned below the first electric connecting plate; the air-out cover is arranged on the box body, a second heat dissipation cavity is arranged in the second air-out cover, a fourth through hole communicated with the second heat dissipation cavity is formed in the lower end of the second air-out cover, a third through hole communicated with the second heat dissipation cavity is formed in the box body, and the third through hole is located above the second power connection plate.

The utility model has the advantages that: the installation cavity is arranged in the box body, the first electricity receiving plate and the second electricity receiving plate are arranged in the box body and are responsible for connecting the grounding wire, the second electricity receiving plate is connected with the first grounding plate through the second electricity conducting plate to realize the series connection of the first bottom connecting plate and the second electricity receiving plate, then the first insulation pipe, the second insulation pipe and the third insulation pipe are respectively used for realizing the introduction and grounding operation of a plurality of grounding wires, the grounding efficiency of the grounding box and the grounding stability are improved, in addition, the transverse insulation plate fixed on the box body is arranged between the first electricity receiving plate and the second electricity receiving plate, the longitudinal insulation plate fixed on the box body is arranged between the adjacent second electricity conducting plates, the transverse insulation plate is fixedly connected with the longitudinal insulation plate, and therefore, when the longitudinal insulation plate and the transverse insulation plate are used, the first electricity conducting plate and the second electricity conducting plate can be ensured not to be mutually interfered, the insulating property is ensured, the mutual influence during the transmission of high-voltage current is avoided, and the stability of grounding is improved.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

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

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is an enlarged partial schematic view at B of FIG. 1;

FIG. 4 is an enlarged partial schematic view at C of FIG. 1;

FIG. 5 is an enlarged partial schematic view at D of FIG. 1;

fig. 6 is a partially enlarged schematic view at E in fig. 1.

The figures are numbered:

1. a box body; 2. a third insulating tube; 3. a second insulating tube; 4. a first insulating tube; 5. a mounting cavity; 6. a first power connection plate; 7. a second power connection plate; 8. a first conductive plate; 9. a second conductive plate; 10. An insulator; 11. a longitudinal insulating plate; 12. a transverse insulating plate; 13. a mounting seat; 14. a second guide chamber; 15. a first guide chamber; 16. a first inner insulating sleeve; 17. a second inner insulating sleeve; 18. a first mounting groove; 19. a guide curved surface; 20. a piston; 21. a piston shaft; 22. a spring; 23. a first mounting plate; 24. a first rotating shaft; 25. a first guide wheel; 26. a first insulating sleeve; 27. a third guide chamber; 28. a second mounting groove; 29. a second mounting plate; 30. a second rotating shaft; 31. a second guide wheel; 32. a second insulating sleeve; 33. a first through hole; 34. a first air outlet cover; 35. a first heat dissipation chamber; 36. a second through hole; 37. a second air outlet cover; 38. a fourth via hole; 39. a second heat dissipation chamber; 40. a third via.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

As shown in fig. 1-6, a lightning grounding box according to an embodiment of the present invention includes a box body 1, a mounting cavity 5 is disposed in the box body 1, a first electricity-receiving plate 6 and a second electricity-receiving plate 7 are disposed in the box body 1, a plurality of insulators 10 are disposed on each of sides of the first electricity-receiving plate 6 and the second electricity-receiving plate 7 away from the box body 1, a first conductive plate 8 is disposed on one side of the first electricity-receiving plate 6 away from the insulators 10, a second conductive plate 9 is connected between the first conductive plate 8 and the first electricity-receiving plate 6, a plurality of first insulating tubes 4 respectively connected with the second conductive plate 9 are disposed on one side of the first electricity-receiving plate 6 away from the first electricity-receiving plate 6, a plurality of third insulating tubes 2 are disposed on a lower end of the box body 1, a second insulating tube 3 is connected between the first insulating tubes 4 and the third insulating tubes 2, a plurality of transverse insulating plates 12 fixed on the box body 1 are disposed between the first electricity-receiving plate 6 and the second electricity-receiving plate 7, and a longitudinal insulating plate 11 fixed on the box body 1 is arranged between the adjacent second conductive plates 9, and the transverse insulating plate 12 is fixedly connected with the longitudinal insulating plate 11. The installation cavity 5 is arranged in the box body 1, the first electricity connecting plate 6 and the second electricity connecting plate 7 are used for connecting ground wires, the second electricity connecting plate 7 is connected with the first ground plate through the second current conducting plate 9 to realize that the first bottom connecting plate is connected with the second electricity connecting plate 7 in series, then the first electricity connecting plate, the second electricity connecting plate and the first ground plate are respectively led into the ground through the first insulating pipe 4, the second insulating pipe 3 and the third insulating pipe 2 and grounded, so that the lead-in grounding operation of a plurality of ground wires is realized, the grounding efficiency and the grounding stability of the grounding box are improved, in addition, the transverse insulating plate 12 fixed on the box body 1 is arranged between the first electricity connecting plate 6 and the second electricity connecting plate 7, the longitudinal insulating plate 11 fixed on the box body 1 is arranged between the adjacent second current conducting plates 9, the transverse insulating plate 12 is fixedly connected with the longitudinal insulating plate 11, so that the longitudinal insulating plate 11, can guarantee that first current conducting plate 8 and second current conducting plate 9 can not mutual interference when using, guarantee insulating nature, influence each other when having avoided high-tension current to transmit, improve the stability of ground connection.

In this embodiment, a second inner insulating sleeve 17 is disposed in the second insulating tube 3, the first insulating tube 4 is inserted into the second inner insulating sleeve 17, a first inner insulating sleeve 16 is disposed in the second inner insulating sleeve 17, a first guide cavity 15 is disposed in the first insulating tube 4, and a second guide cavity 14 is disposed in the second insulating tube 3. Through all laying second internal insulation cover 17 in second insulating tube 3, peg graft in second internal insulation cover 17 first insulating tube 4, lay first internal insulation cover 16 in first insulating cover 26, establish first direction chamber 15 in the first insulating tube 4, establish second direction chamber 14 in the second insulating tube 3, can utilize the assembly connection between second insulating tube 3 and the first insulating tube 4 to realize the insulation protection to inside wire, avoid the electric leakage problem, the stability of ground connection has been guaranteed.

In this embodiment, be equipped with the third direction chamber 27 that communicates with second direction chamber 14 in the third insulating tube 2, the tip of third insulating tube 2 is equipped with first mounting groove 18, the bottom is equipped with first mounting panel 23 in the first mounting groove 18, be equipped with first pivot 24 on the first mounting panel 23, the periphery of first pivot 24 is equipped with first leading wheel 25. Through establishing the third direction chamber 27 with second direction chamber 14 intercommunication in third insulating tube 2, first mounting groove 18 is established to the tip of third insulating tube 2 in addition to first mounting panel 23 is established to the bottom in first mounting groove 18, establishes first pivot 24 on the first mounting panel 23, and first leading wheel 25 is established to first pivot 24 periphery, so can realize spacing the direction of cable, has made things convenient for the installation of cable.

In the embodiment, the distance between the first guide wheel 25 and the inner wall of the third insulating tube 2 is m, and m is greater than or equal to 2cm and less than or equal to 6 cm. It is 4cm to concrete in this embodiment, so can guarantee that the cable is better at the spacing effect of third direction chamber 27 openings part, avoids the cable to rock.

In this embodiment, a first insulating sleeve 26 is sleeved on the outer periphery of the first guide wheel 25. The first insulating sleeve 26 is sleeved on the periphery of the first guide wheel 25, so that excellent insulation is achieved, and the first insulating sleeve 26 is made of insulating soft rubber, so that the cable can be protected.

In this embodiment, the first installation groove 18 forms a guide curved surface 19 on the inner wall of the third insulation tube 2. By forming the guiding curved surface 19 on the inner wall of the third insulating tube 2 at the first mounting groove 18, abrasion of the cable at the opening of the first mounting groove 18 can be avoided.

In this embodiment, a piston 20 is arranged at the bottom in the first mounting groove 18, a piston shaft 21 is arranged on one side, close to the first mounting plate 23, of the piston 20, the piston shaft 21 is mounted on the first mounting plate 23, a spring 22 is arranged between the piston 20 and the first mounting plate 23, and the spring 22 is sleeved on the periphery of the piston shaft 21. The piston 20 is arranged at the bottom in the first mounting groove 18, the piston shaft 21 is arranged on one side, close to the first mounting plate 23, of the piston 20, the piston shaft 21 is used for stretching in the piston 20, the first guide wheel 25 can stretch freely, and the cable is convenient to mount.

In this embodiment, the inner wall of the third insulating tube 2 is provided with a second mounting groove 28, a second mounting plate 29 is arranged in the second mounting groove 28, a second rotating shaft 30 is arranged on the second mounting plate 29, a second guide wheel 31 is arranged on the second rotating shaft 30, the distance between the second guide wheel 31 and the inner wall of the third insulating tube 2 is n, and n is less than or equal to 1cm and less than or equal to 4 cm. Through establishing second mounting groove 28 at third insulating tube 2 inner wall to establish second mounting panel 29 in second mounting groove 28, establish second pivot 30 on the second mounting panel 29, install second leading wheel 31 on the second pivot 30, realized the guide effect to the cable by second leading wheel 31, in addition, specifically to in this embodiment, n is 2.5cm, so can guarantee that the cable lays wire more freely in third direction chamber 27, made things convenient for the installation of cable.

In this embodiment, a second insulating sleeve 32 is sleeved on the outer periphery of the second guide wheel 31. The second insulating sleeve 32 is sleeved on the periphery of the second guide wheel 31, the second insulating sleeve 32 can ensure the insulativity of the second guide wheel 31, and in addition, the second insulating sleeve 32 is made of soft insulating rubber and also plays a role in protecting cables.

In this embodiment, a first air outlet housing 34 is arranged on the box body 1, a first heat dissipation cavity 35 is arranged in the first air outlet housing 34, a second through hole 36 communicated with the first heat dissipation cavity 35 is arranged at the lower end of the first air outlet housing 34, a first through hole 33 communicated with the first heat dissipation cavity 35 is arranged in the box body 1, and the first through hole 33 is located below the first power connection plate 6; the air-out cover 37 is arranged on the box body 1, a second heat dissipation cavity 39 is arranged in the second air-out cover 37, a fourth through hole 38 communicated with the second heat dissipation cavity 39 is arranged at the lower end of the second air-out cover 37, a third through hole 40 communicated with the second heat dissipation cavity 39 is arranged in the box body 1, and the third through hole 40 is located above the second electric connecting plate 7. Through setting up first play fan housing 34 and second play fan housing 37, the heat that first current conducting plate 8 produced when transmitting high-tension current, discharge through second heat dissipation chamber 39 and fourth through-hole 38 after dispelling by third through-hole 40, and the heat that first current conducting plate 8 produced when transmitting high-tension current, dispel through first heat dissipation chamber 35 and second through-hole 36 after dispelling by first through-hole 33, guaranteed first current conducting plate 8 and second current conducting plate 9 when transmitting high-tension current from this, outside local heat can be carried out the case very fast in whole box 1, avoid the normal ground connection use of the too big influence equipment of box 1 internal problem, in addition, first play fan housing 34 and second play fan housing 37 can avoid receiving the influence of rainwater.

As can be understood, the lower end of the box body 1 is provided with a plurality of mounting seats 13, so that the box body 1 is convenient to mount.

It is understood that m can also be 2cm, 2.5cm, 3cm, 3.5cm, 4.5cm, 5cm, 5.5cm, 6cm, etc.

It is understood that n can also be 1cm, 1.5cm, 2cm, 3cm, 3.5cm, 4cm, etc.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (10)

1. A lightning protection grounding box is characterized by comprising a box body, wherein an installation cavity is arranged in the box body, a first electricity receiving plate and a second electricity receiving plate are arranged in the box body, a plurality of insulators are arranged on the sides, away from the box body, of the first electricity receiving plate and the second electricity receiving plate, a first current conducting plate is arranged on the side, away from the insulators, of the first electricity receiving plate, a second current conducting plate is connected between the first current conducting plate and the first electricity receiving plate, a plurality of first insulating tubes respectively connected with the second current conducting plate are arranged on the side, away from the first electricity receiving plate, of the first electricity receiving plate, a plurality of third insulating tubes are arranged at the lower end of the box body, a second insulating tube is connected between the first insulating tubes and the third insulating tubes, a transverse insulating plate fixed on the box body is arranged between the first electricity receiving plate and the second electricity receiving plate, and a longitudinal insulating plate fixed on the box body is arranged between the adjacent second current conducting plates, and the transverse insulating plate is fixedly connected with the longitudinal insulating plate.

2. The lightning protection grounding box of claim 1, wherein a second inner insulating sleeve is disposed in the second insulating tube, the first insulating tube is inserted into the second inner insulating sleeve, a first inner insulating sleeve is disposed in the second inner insulating sleeve, a first guide cavity is disposed in the first insulating tube, and a second guide cavity is disposed in the second insulating tube.

3. The lightning grounding box of claim 1, wherein a third guiding cavity communicated with the second guiding cavity is formed in the third insulating tube, a first mounting groove is formed in the end portion of the third insulating tube, a first mounting plate is arranged at the bottom of the first mounting groove, a first rotating shaft is arranged on the first mounting plate, and a first guiding wheel is arranged on the periphery of the first rotating shaft.

4. The lightning grounding box of claim 3, wherein the distance between the first guide wheel and the inner wall of the third insulating tube is m, and m is more than or equal to 2cm and less than or equal to 6 cm.

5. The lightning grounding box of claim 3, wherein a first insulating sleeve is sleeved on the outer periphery of the first guide wheel.

6. The lightning protection grounding box of claim 3, wherein the first installation groove forms a guiding curved surface on the inner wall of the third insulation pipe.

7. The lightning grounding box of claim 3, wherein a piston is arranged at the bottom of the first mounting groove, a piston shaft is arranged at one side of the piston close to the first mounting plate, the piston shaft is mounted on the first mounting plate, and a spring is arranged between the piston and the first mounting plate and sleeved on the periphery of the piston shaft.

8. The lightning grounding box of claim 1, wherein the third insulating tube has a second mounting groove formed on an inner wall thereof, a second mounting plate is disposed in the second mounting groove, a second rotating shaft is disposed on the second mounting plate, a second guide wheel is disposed on the second rotating shaft, and the second guide wheel is spaced from the inner wall of the third insulating tube by n, wherein n is greater than or equal to 1cm and less than or equal to 4 cm.

9. The lightning grounding box of claim 8, wherein a second insulating sleeve is sleeved on the periphery of the second guide wheel.

10. The lightning grounding box of claim 1, wherein a first air outlet hood is arranged on the box body, a first heat dissipation cavity is arranged in the first air outlet hood, a second through hole communicated with the first heat dissipation cavity is arranged at the lower end of the first air outlet hood, a first through hole communicated with the first heat dissipation cavity is arranged in the box body, and the first through hole is positioned below the first power connection plate; the air-out cover is arranged on the box body, a second heat dissipation cavity is arranged in the second air-out cover, a fourth through hole communicated with the second heat dissipation cavity is formed in the lower end of the second air-out cover, a third through hole communicated with the second heat dissipation cavity is formed in the box body, and the third through hole is located above the second power connection plate.

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