Grounding device of transformer oil tank

Abstract

The utility model provides a grounding device of a transformer oil tank, which comprises a transformer oil tank and a base, the upper part of the transformer oil tank is provided with a top plate, the top plate is provided with an abutting terminal and a high-voltage terminal, the bottom of the transformer oil tank is provided with a bearing plate, the lower part of the bearing plate is provided with walking wheels, and the bearing plate is provided with a grounding wire. The lower part of the bearing plate is fixedly connected with a mounting block and a second contact plate, the mounting block is provided with a plug-in assembly, and the base comprises a base main board. According to the grounding device of the transformer oil tank, when the grounding device is installed, the connecting piece is fixedly connected with the installation groove through the fixing bolt firstly, after the inserting assembly is inserted into the positioning hole to achieve the positioning effect, the installation work can be completed, at the moment, the second contact plate makes contact with the grounding assembly, and the transformer oil tank is grounded; during disassembly, the transformer oil tank can be separated from the base only by disassembling the fixing bolts and then pushing the transformer oil tank, and the installation and disassembly steps are relatively simple.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer oil tanks, in particular to a grounding device for a transformer oil tank. Background Art

[0002] The grounding device is to connect the metal shell of the equipment to the earth with a conductor, so that the electric potential of the metal shell is consistent with the earth. It is mainly used to prevent static electricity. After connecting to the earth, it can guide the charge away in time to prevent the accumulation of charge and discharge to cause danger, such as the metal foot in the triangle socket. The iron chain of the oil truck dragged on the ground. With the rapid development of social economy, high-voltage electrical accidents occur frequently, so the transformer tank grounding device that guides high-voltage electricity to the ground becomes particularly important.

[0003] The installation and removal process of the existing transformer oil tank grounding device is relatively complicated, which increases the workload of the construction workers.

[0004] Therefore, it is necessary to provide a grounding device for a transformer oil tank to solve the above technical problems. Utility Model Content

[0005] The utility model provides a grounding device for a transformer oil tank, which solves the problem that the installation and disassembly process of the existing transformer oil tank grounding device is relatively complicated and increases the workload of construction personnel.

[0006] In order to solve the above technical problems, the utility model provides a grounding device for a transformer oil tank, comprising: a transformer oil tank and a base, a top plate is arranged on the upper part of the transformer oil tank, a mortgage terminal and a high-voltage terminal are arranged on the top plate, a bearing plate is arranged on the bottom of the transformer oil tank, a walking wheel is arranged on the lower part of the bearing plate, a mounting block and a second contact plate are fixedly connected to the lower part of the bearing plate, a plug-in assembly is arranged on the mounting block, the base comprises a base mainboard, mounting grooves are arranged on both sides of the base mainboard, a connecting piece is arranged in the mounting groove, a positioning hole is opened on the connecting piece, the positioning hole corresponds to the position of the plug-in assembly, a through hole is opened on the mounting groove, a fixing bolt is arranged in the through hole, the connecting piece is fixedly connected to the mounting groove by the fixing bolt, a grounding assembly is arranged on the base mainboard, and the grounding assembly is located directly below the second contact plate.

[0007] Preferably, the grounding assembly comprises a grounding contact rod and a first spring, the first spring is fixedly connected to the base mainboard, the upper portion of the grounding contact rod is fixedly connected to a first contact plate, and the first contact plate is fixedly connected to the first spring.

[0008] Preferably, the plug-in assembly includes a positioning seat, which is arranged on the mounting block, and the positioning seat is a cylindrical groove. A second spring is fixedly connected to the interior of the positioning seat, and an insertion rod is fixedly connected to the other end of the second spring, and the insertion rod matches the positioning hole.

[0009] Preferably, a heat dissipation portion is provided on the transformer oil tank, an oil pillow is provided on the top of the transformer oil tank, and hanging rings are provided on both sides of the transformer oil tank.

[0010] Preferably, heat dissipation components are provided on both sides of the transformer oil tank, and the heat dissipation components include an outer frame, a fixing frame is fixedly connected to the inside of the outer frame, and a heat dissipation fan is provided on the fixing frame.

[0011] Preferably, the heat dissipation assembly further comprises a dustproof net, a card interface is provided at the outer end of the outer frame, a buckle is fixedly connected to the dustproof net, and the position of the buckle corresponds to the card interface.

[0012] Compared with the related art, the grounding device of a transformer oil tank provided by the utility model has the following beneficial effects:

[0013] The utility model provides a grounding device for a transformer oil tank. When installing, a connecting piece is first fixedly connected with a mounting groove by a fixing bolt. When a plug-in component is inserted into a positioning hole to play a positioning role, the installation work can be completed. At this time, a second contact plate contacts the grounding component, and the transformer oil tank is grounded. When disassembling, it is only necessary to remove the fixing bolt and then push the transformer oil tank away from the base. The steps of installation and disassembly are relatively simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a grounding device for a transformer oil tank provided by the utility model;

[0015] Figure 2 It is a structural schematic diagram of the heat dissipation component in the utility model;

[0016] Figure 3 The structure of the grounding assembly below the transformer oil tank in the utility model is shown in FIG. Figure 1 ;

[0017] Figure 4 The structure of the grounding assembly below the transformer oil tank in the utility model is shown in FIG. Figure 2 .

[0018] Numbers in the figure: 1. transformer oil tank, 2. heat dissipation part, 3. top plate, 4. low-voltage terminal, 5. high-voltage terminal, 6. oil pillow, 7. lifting ring, 8. heat dissipation assembly, 81. outer frame, 82. fixing frame, 83. cooling fan, 84. card interface, 85. buckle, 86. dust net, 9. bearing plate, 10. walking wheel, 11. base, 111. base motherboard, 112. through hole, 113. mounting groove, 12. first contact plate, 13. grounding contact rod, 14. first spring, 15. mounting block, 16. positioning seat, 17. second spring, 18. plug rod, 19. connecting piece, 20. positioning hole, 21. fixing bolt, 22. second contact plate. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a grounding device for a transformer oil tank provided by the utility model;

[0021] Figure 2 It is a structural schematic diagram of the heat dissipation component in the utility model;

[0022] Figure 3 The structure of the grounding assembly below the transformer oil tank in the utility model is shown in FIG. Figure 1 ;

[0023] Figure 4 The structure of the grounding assembly below the transformer oil tank in the utility model is shown in FIG. Figure 2 .

[0024] A grounding device for a transformer oil tank comprises: a transformer oil tank 1 and a base 11, wherein a top plate 3 is arranged on the upper part of the transformer oil tank 1, and a mortgage terminal 4 and a high-voltage terminal 5 are arranged on the top plate 3, a bearing plate 9 is arranged on the bottom of the transformer oil tank 1, and a walking wheel 10 is arranged on the lower part of the bearing plate 9, and a mounting block 15 and a second contact plate 22 are fixedly connected to the lower part of the bearing plate 9, and a plug-in assembly is arranged on the mounting block 15, and the base 11 comprises a base main board 111, and the base main board 112 is provided on the base main board 113. Mounting grooves 113 are provided on both sides of the plate 111, and connectors 19 are provided in the mounting grooves 113. Positioning holes 20 are provided on the connectors 19, and the positioning holes 20 correspond to the positions of the plug-in components. A through hole 112 is provided on the mounting grooves 113, and fixing bolts 21 are provided in the through holes 112. The connectors 19 are fixedly connected to the mounting grooves 113 by the fixing bolts 21. A grounding component is provided on the base mainboard 111, and the grounding component is located directly below the second contact plate 22.

[0025] During installation, the transformer oil tank 1 is hoisted. At this time, the connecting piece 19 has been fixedly connected to the installation groove 113 by the fixing bolt 21. When the plug-in component is inserted into the positioning hole 20 to play a positioning role, the installation work can be completed. At this time, the second contact plate 22 has also been in contact with the grounding component, and the transformer oil tank has been grounded. During disassembly, the fixing bolt 21 is removed, and then the transformer oil tank 1 is pushed to move out of the range of the base 11 using the walking wheels 10.

[0026] The grounding assembly includes a grounding contact rod 13 and a first spring 14 . The first spring 14 is fixedly connected to the base mainboard 111 . The upper portion of the grounding contact rod 13 is fixedly connected to a first contact plate 12 . The first contact plate 12 is fixedly connected to the first spring 14 .

[0027] During the hoisting process, the bearing plate 9 and the second contact plate 22 at the lower part of the transformer oil tank 1 press the first contact plate 12, so that the grounding contact rod 13 moves downward until the grounding contact rod 13 contacts the ground, thereby completing the grounding.

[0028] The plug-in assembly includes a positioning seat 16, which is arranged on the mounting block 15. The positioning seat 16 is a cylindrical groove. A second spring 17 is fixedly connected to the inside of the positioning seat 16. The other end of the second spring 17 is fixedly connected to an insertion rod 18, and the insertion rod 18 matches the positioning hole 20.

[0029] During installation, first, the end of the insertion rod 18 is pressed against the inner surface of the connecting piece 19, and then the lifting height of the transformer oil tank 1 is gradually lowered until the walking wheel 10 contacts the surface of the base mainboard 111 and the lower part of the transformer oil tank 1 contacts the upper surface of the installation groove 113, and the lifting is completed. At this time, the second spring 17 is in a compressed state, so that when the insertion rod 18 passes through the positioning hole 20, it is inserted into the positioning hole 20 to complete the positioning under the force generated when the second spring 17 is restored.

[0030] The transformer oil tank 1 is provided with a heat dissipation portion 2 , the top of the transformer oil tank 1 is provided with an oil pillow 6 , and both sides of the transformer oil tank 1 are provided with hanging rings 7 .

[0031] The heat dissipation part 2 enhances the heat dissipation speed, and the oil pillow 6 is used to compensate for the volume change of the insulating oil in the oil tank caused by thermal expansion and contraction.

[0032] Heat dissipation components 8 are arranged on both sides of the transformer oil tank 1 . The heat dissipation components 8 include an outer frame 81 . A fixing frame 82 is fixedly connected inside the outer frame 81 . A heat dissipation fan 83 is arranged on the fixing frame 82 .

[0033] Cooling fans 83 are provided on both sides to enhance the heat dissipation effect.

[0034] The heat dissipation assembly 8 further includes a dustproof net 86 . A card interface 84 is provided at the outer end of the outer frame 81 . A buckle 85 is fixedly connected to the dustproof net 86 . The buckle 85 corresponds to the position of the card interface 84 .

[0035] The buckle 85 and the card interface 84 are provided to facilitate the removal of the dustproof net 86 for cleaning after long-term use to prevent heat dissipation from being affected.

[0036] The working principle of the grounding device of a transformer oil tank provided by the utility model is as follows:

[0037] During installation, the transformer oil tank 1 is hoisted. At this time, the connecting piece 19 has been fixedly connected to the installation groove 113 by the fixing bolt 21. When the plug-in component is inserted into the positioning hole 20 to play a positioning role, the installation work can be completed. At this time, the second contact plate 22 has also been in contact with the grounding component, and the transformer oil tank has been grounded. During disassembly, the fixing bolt 21 is removed, and then the transformer oil tank 1 is pushed to move out of the range of the base 11 using the walking wheels 10.

[0038] Compared with the related art, the grounding device of a transformer oil tank provided by the utility model has the following beneficial effects:

[0039] During installation, the connector 19 is first fixedly connected to the mounting groove 113 by means of the fixing bolts 21. When the plug-in assembly is inserted into the positioning hole 20 to play a positioning role, the installation work is completed. At this time, the second contact plate 22 is in contact with the grounding assembly, and the transformer oil tank 1 is grounded. During disassembly, only the fixing bolts 21 need to be removed, and then the transformer oil tank 1 can be pushed away from the base 11. The installation and disassembly steps are relatively simple.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A grounding device for a transformer oil tank, characterized in that: include: A transformer oil tank and a base, wherein a top plate is provided on the upper part of the transformer oil tank, and a mortgage terminal and a high-voltage terminal are provided on the top plate; a bearing plate is provided on the bottom of the transformer oil tank, and a walking wheel is provided on the lower part of the bearing plate; a mounting block and a second contact plate are fixedly connected to the lower part of the bearing plate, and a plug-in assembly is provided on the mounting block; the base comprises a base mainboard, mounting grooves are provided on both sides of the base mainboard, a connecting piece is provided in the mounting groove, a positioning hole is provided on the connecting piece, and the positioning hole corresponds to the position of the plug-in assembly; a through hole is provided on the mounting groove, and a fixing bolt is provided in the through hole, and the connecting piece is fixedly connected to the mounting groove by the fixing bolt; a grounding assembly is provided on the base mainboard, and the grounding assembly is located directly below the second contact plate.

2. A grounding device for a transformer oil tank according to claim 1, characterized in that: The grounding assembly includes a grounding contact rod and a first spring, wherein the first spring is fixedly connected to the base mainboard, and a first contact plate is fixedly connected to the upper portion of the grounding contact rod, and the first contact plate is fixedly connected to the first spring.

3. A grounding device for a transformer oil tank according to claim 1, characterized in that: The plug-in assembly includes a positioning seat, which is arranged on the mounting block. The positioning seat is a cylindrical groove. A second spring is fixedly connected to the interior of the positioning seat. The other end of the second spring is fixedly connected to an insertion rod, and the insertion rod matches the positioning hole.

4. A grounding device for a transformer oil tank according to claim 1, characterized in that: The transformer oil tank is provided with a heat dissipation part, the top of the transformer oil tank is provided with an oil pillow, and both sides of the transformer oil tank are provided with hanging rings.

5. The grounding device for a transformer oil tank according to claim 1, characterized in that: Heat dissipation components are arranged on both sides of the transformer oil tank. The heat dissipation components include an outer frame. A fixing frame is fixedly connected to the inside of the outer frame. A heat dissipation fan is arranged on the fixing frame.

6. A grounding device for a transformer oil tank according to claim 5, characterized in that: The heat dissipation assembly also includes a dustproof net, a card interface is provided at the outer end of the outer frame, a buckle is fixedly connected to the dustproof net, and the position of the buckle corresponds to the card interface.

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