Insulation installation grounding device for ship electrical equipmentTechnical Field
The invention belongs to the technical field of ships, and particularly relates to an insulating installation grounding device for ship electrical equipment.
Background
In the technical field of ships, along with the development of material technology, the hull structure is made of aluminum materials, so that the structural strength of the hull is ensured, and the ship light weight target is realized so as to achieve the ship design index. However, most of the electrical equipment is made of steel materials, the steel electrical equipment is arranged on aluminum materials, electrochemical corrosion can occur between dissimilar metal materials, and the use safety and the service life of ship electrical equipment are affected.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the ship electrical equipment insulation installation grounding device has the advantages that the structure is simple, the cost is low, the problem of electrochemical corrosion between dissimilar metal materials of the electrical equipment installed on an aluminum structure can be effectively solved while the grounding requirement of the electrical equipment is met, the fault of the electrical equipment is effectively reduced, and the use safety and the service life of the ship electrical equipment are improved.
The technical scheme adopted by the invention is as follows:
The invention relates to an insulating installation grounding device for ship electrical equipment, wherein a ship deck of the insulating installation grounding device for ship electrical equipment is an aluminum deck, an aluminum grounding bracket and an insulating liner are arranged on the ship deck, a steel bracket is arranged on the insulating liner, one end of a grounding conductor is connected with the aluminum grounding bracket, the other end of the grounding conductor is connected with the steel bracket, the grounding conductor is simultaneously connected with a device foot, a tin foil layer I is clamped between the grounding conductor and the aluminum grounding bracket, and a tin foil layer II is clamped between the grounding conductor and the device foot.
One end of a grounding conductor of the ship electrical equipment insulating installation grounding device is fixedly connected with the aluminum grounding support through a bolt I, and an elastic gasket I is arranged between a nut I at the lower end of the bolt I and the aluminum grounding support.
The other end of the grounding conductor of the ship electrical equipment insulating installation grounding device is fixedly connected with the equipment footing through a bolt II, and a gasket II is arranged between a nut II at the lower end of the bolt II and the steel bracket.
The aluminum grounding support is connected with the ship deck through aluminum rivets, and the insulating gasket and the steel support are connected with the ship deck through aluminum rivets.
The steel bracket comprises an upper end plate, a connecting part and a lower end plate, wherein the upper end plate, the connecting part and the lower end plate are I-shaped.
The other end of the grounding conductor is connected with the upper end plate of the steel bracket, and the lower end plate of the steel bracket is connected with the insulating gasket.
The grounding conductor of the ship electrical equipment insulation installation grounding device comprises a wire body, a connecting end piece I and a connecting end piece II.
The connecting end piece I is connected with the aluminum grounding support, and the connecting end piece II is connected with the equipment footing and the steel bracket.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
The invention provides a ship electrical equipment insulation installation grounding device, which provides a brand new technical scheme based on a unique and ingenious conception aiming at the defects in the prior art. The device is divided into two parts, namely a grounding bracket and an equipment insulation mounting bracket. The implementation process is as follows: the grounding support is fixed on the ship deck structure, an insulating liner is used between the equipment insulating mounting support of the electrical equipment and the ship deck structure to prevent electrochemical corrosion of the electrical equipment or the aluminum ship deck structure, and the grounding conductor of the electrical equipment is used for connecting the insulating mounting support with the grounding support. Thus, the problems in the prior art are effectively solved. The insulating installation grounding device for the ship electrical equipment has the advantages of simple structure and low cost, meets the grounding requirement of the electrical equipment, can effectively solve the problem of electrochemical corrosion between dissimilar metal materials of the electrical equipment installed on an aluminum structure, effectively reduces the faults of the electrical equipment, and improves the use safety and service life of the ship electrical equipment.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic view of a structure of an insulation mounting grounding device for ship electrical equipment according to the present invention;
The reference numerals in the figures are respectively: 1. an aluminum rivet; 2. an aluminum grounding bracket; 3. a bolt I; 4. a nut I; 5. a ground conductor; 6. a tin foil layer I; 7. a device foot; 8. a steel bracket; 9. an elastic gasket I; 10. an insulating liner; 11. a ship deck; 12. a tin foil layer II; 13. a bolt II; 14. a nut II; 15. a gasket II; 16. an upper end plate; 17. a connection part; 18. a lower end plate; 19. a wire body; 20. connecting end piece I; 21. and connecting the end piece II.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
As shown in figure 1, the invention relates to an insulating installation grounding device for ship electrical equipment, a ship deck 11 of the insulating installation grounding device for ship electrical equipment is an aluminum deck, an aluminum grounding support 2 and an insulating liner 10 are arranged on the ship deck 11, a steel bracket 8 is arranged on the insulating liner 10, one end of a grounding conductor 5 is connected with the aluminum grounding support 2, the other end of the grounding conductor 5 is connected with the steel bracket 8, the grounding conductor 5 is simultaneously connected with a device foot 7, a tin foil layer I6 is clamped between the grounding conductor 5 and the aluminum grounding support 2, and a tin foil layer II 12 is clamped between the grounding conductor 5 and the device foot 7. The tin foil layer increases the electrical conductivity between the grounding conductor and the equipment footing, and ensures the grounding safety of the equipment. The structure provides a brand new technical scheme based on a unique and ingenious conception aiming at the defects in the prior art. The device is divided into two parts, namely a grounding bracket and an equipment insulation mounting bracket. The implementation process is as follows: the grounding support is fixed on the ship deck 11 structure, an insulating gasket is used between the equipment insulating mounting support of the electrical equipment and the ship deck 11 structure to prevent electrochemical corrosion of the electrical equipment or the aluminum ship deck 11 structure, and the grounding conductor of the electrical equipment is used for connecting the insulating mounting support and the grounding support. Thus, the problems in the prior art are effectively solved. The insulating installation grounding device for the ship electrical equipment has the advantages of simple structure and low cost, meets the grounding requirement of the electrical equipment, can effectively solve the problem of electrochemical corrosion between dissimilar metal materials of the electrical equipment installed on an aluminum structure, effectively reduces the faults of the electrical equipment, and improves the use safety and service life of the ship electrical equipment.
The ship electrical equipment insulation installation earthing device's earthing conductor 5 one end pass through bolt I3 fixed connection with aluminum product ground connection support 2, set up elastic washer I9 between the nut I4 of bolt I3 lower extreme and aluminum product ground connection support 2. Above-mentioned structure, through the setting of bolt I3 and nut I4, realize the reliable connection between earth conductor 5 one end and the aluminum product ground connection support 2 to earth conductor 5 dismantles convenient and fast, and elastic washer I9 plays the cushioning effect.
The other end of the grounding conductor 5 of the ship electrical equipment insulating installation grounding device is fixedly connected with the equipment footing 7 through a bolt II 13, and an elastic gasket II 15 is arranged between a nut II 14 at the lower end of the bolt II 13 and the steel bracket 8. Through the arrangement of the bolt II 13 and the nut II 14, the reliable connection between the other end of the grounding conductor 5 and the equipment footing 7 is realized, the grounding conductor 5 is convenient and quick to disassemble, and the elastic gasket II 15 plays a role in buffering.
The aluminum grounding bracket 2 is connected with the ship deck 11 through the aluminum rivet 1, and the insulating gasket 10 and the steel bracket 8 are connected with the ship deck 11 through the aluminum rivet 1. The aluminum rivets ensure that the aluminum grounding bracket 2 is reliably connected with the ship deck 11. The aluminum rivets ensure a reliable connection of the insulating mat 10 with the ship deck 11, and the aluminum rivets connect the insulating mat and the steel brackets 8 at the same time.
The steel bracket 8 comprises an upper end plate 16, a connecting part 17 and a lower end plate 18, wherein the upper end plate 16, the connecting part 17 and the lower end plate 18 are I-shaped. The steel bracket 8 has an integrated structure, and can reliably connect the insulating pad with the grounding conductor 5 and the equipment footing 7.
The other end of the grounding conductor 5 is connected with an upper end plate 16 of the steel bracket 8, and a lower end plate 18 of the steel bracket 8 is connected with the insulating gasket 10. The grounding conductor 5 of the ship electrical equipment insulation installation grounding device comprises a wire body 19, a connecting end piece I20 and a connecting end piece II 21. The connecting end piece I20 is connected with the aluminum grounding bracket 2, and the connecting end piece II 21 is connected with the equipment footing 7 and the steel bracket 8. In the structure of the present invention, an aluminum grounding bracket is fixed to a ship deck 11 structure by aluminum rivets, and one end of a grounding conductor is fixed to the grounding bracket by a bolt using a tin foil. An insulating gasket is used between the equipment insulating mounting bracket of the electrical equipment and the ship deck 11 structure, and a grounding conductor is arranged between the electrical equipment and the equipment insulating mounting bracket and is fixed by bolts. Thus, the whole connection is reliable, and the corrosion problem is effectively solved.
The invention provides a ship electrical equipment insulation installation grounding device, which provides a brand new technical scheme based on a unique and ingenious conception aiming at the defects in the prior art. The device is divided into two parts, namely a grounding bracket and an equipment insulation mounting bracket. The implementation process is as follows: the grounding support is fixed on the ship deck structure, an insulating liner is used between the equipment insulating mounting support of the electrical equipment and the ship deck structure to prevent electrochemical corrosion of the electrical equipment or the aluminum ship deck structure, and the grounding conductor of the electrical equipment is used for connecting the insulating mounting support with the grounding support. Thus, the problems in the prior art are effectively solved. The insulating installation grounding device for the ship electrical equipment has the advantages of simple structure and low cost, meets the grounding requirement of the electrical equipment, can effectively solve the problem of electrochemical corrosion between dissimilar metal materials of the electrical equipment installed on an aluminum structure, effectively reduces the faults of the electrical equipment, and improves the use safety and service life of the ship electrical equipment.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.