CN218161126U - Electric connection structure - Google Patents
Electric connection structure Download PDFInfo
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- CN218161126U CN218161126U CN202222758982.3U CN202222758982U CN218161126U CN 218161126 U CN218161126 U CN 218161126U CN 202222758982 U CN202222758982 U CN 202222758982U CN 218161126 U CN218161126 U CN 218161126U
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Abstract
The utility model provides an electric connection structure buries transformer technical field with belonging to the over-and-under type, including base, conducting rod, connecting seat, conducting sleeve and conductive row. The base is used for being fixedly connected with the transformer body. The conducting rod is vertically arranged and fixedly connected with the base, and the bottom end of the conducting rod is used for being electrically connected with the transformer body. The connecting seat is used for being fixedly connected with high-low voltage equipment. The conductive sleeve is sleeved outside the conductive rod in a sliding manner and is electrically connected with the conductive rod, and the conductive sleeve is fixedly connected with the connecting seat. One end of the conductive bar is fixedly arranged on the conductive sleeve and is electrically connected with the conductive sleeve, and the other end of the conductive bar is used for being electrically connected with high-voltage and low-voltage equipment. The utility model provides an electric connection structure can solve and bury the transformer with over-and-under type, lacks the problem of being exclusively used in transformer body and high-low voltage distribution equipment's electric connection structure.
Description
Technical Field
The utility model belongs to the technical field of bury the transformer with the over-and-under type, more specifically say, relate to an electric connection structure.
Background
In the lifting type underground transformer, the lifting device is arranged in a foundation pit, the transformer body is arranged on the lifting device, and the high-low voltage distribution equipment is positioned on the ground, wherein the transformer body is electrically connected with the high-low voltage distribution equipment. In the lifting type underground transformer, as no special electric connection structure for the transformer body and high-low voltage distribution equipment exists in the market, the existing transformer body and the high-low voltage distribution equipment can only be electrically connected through a lead, and when the transformer body rises, the lead is bent; when the transformer body descends, the wire is straightened, and when the wire is bent, the wire may be wound on other objects, and once the wire is wound on other objects, when the transformer body descends, the wire may be broken, so that an accident may occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric connection structure aims at solving and buries the transformer with over-and-under type, lacks the problem of being exclusively used in transformer body and high-low voltage distribution equipment's electric connection structure.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an electric connection structure, including base, conducting rod, connecting seat, conducting sleeve and electrically conductive row. The base is used for being fixedly connected with the transformer body. The conducting rod is vertically arranged and fixedly connected with the base, and the bottom end of the conducting rod is used for being electrically connected with the transformer body. The connecting seat is used for being fixedly connected with high-low voltage equipment. The conductive sleeve is slidably sleeved outside the conductive rod and is electrically connected with the conductive rod, and the conductive sleeve is fixedly connected with the connecting seat. One end of the conductive bar is fixedly arranged on the conductive sleeve and is electrically connected with the conductive sleeve, and the other end of the conductive bar is used for being electrically connected with high-voltage and low-voltage equipment.
In one possible implementation, the electrical connection structure further includes a first insulating sleeve. The first insulating sleeve is sleeved and fixed outside the conductive sleeve, and the first insulating sleeve is fixedly connected with the connecting seat.
Wherein the conductive bar penetrates the first insulating sleeve.
In a possible implementation manner, a first annular groove coaxial with the conductive sleeve is formed in the outer side wall of the conductive sleeve, and the first insulating sleeve is clamped in the first annular groove.
In one possible implementation, the electrical connection structure further includes an insulating tube. The insulating tube is fixedly arranged on the first insulating sleeve and is sleeved outside a section of the conductive sleeve above the first insulating sleeve.
In one possible implementation, the electrical connection structure further includes an insulating cap. The insulating cap seals the top of insulating tube and with insulating tube fixed connection, the insulating cap with the insulating tube encloses the space that constitutes and is used for holding the conducting rod goes up and down.
In a possible implementation manner, the connecting seat is provided with a through hole with a vertical axis, the connecting seat is sleeved outside a section of the conductive sleeve below the first insulating sleeve through the through hole, and an annular gap is formed between the connecting seat and the conductive sleeve.
In a possible implementation manner, the bottom end of the insulating tube has a first flange portion fitted on the first insulating sleeve, and the electrical connection structure further includes a plurality of upper inserts and a plurality of lower inserts. The embedding of a plurality of inserts and a plurality of lower inserts is all fixed in the first insulation cover, go up the inserts with the upper surface parallel and level of first insulation cover, down the inserts with the lower surface parallel and level of first insulation cover, go up the upper surface of inserts with the lower surface of inserts all is equipped with the screw hole down, screw hole threaded connection has connecting bolt, connecting bolt's screw rod is worn to locate the connecting seat or in the first flange portion.
In one possible implementation, the base includes a second insulating sleeve and a flange. The second insulating sleeve is sleeved and fixed outside the conducting rod, and the bottom end of the conducting rod is located below the second insulating sleeve. The ring flange cover is established and is fixed in outside the insulating cover of second, the ring flange be used for with oil tank wall fixed connection in the transformer body, so that the insulating cover of second pierces through the oil tank wall.
In a possible implementation manner, the connecting seat is located right above the base, the base has a plate-shaped portion which is horizontally arranged and used for arranging the through hole, and the electrical connection structure further includes a corrugated pipe. The corrugated pipe is sleeved outside the conducting rod and is positioned between the plate-shaped part and the flange, and the upper end and the lower end of the corrugated pipe are respectively fixedly connected with the plate-shaped part and the flange.
In one possible implementation, the electrical connection structure further includes a plurality of spring fingers. The spring contact fingers are arranged at intervals in the vertical direction, and are slidably sleeved on the conductive rod and embedded into the inner wall of the conductive sleeve.
In this application embodiment, when this electrical connection structure used, base and transformer body fixed connection, connecting seat and high-low voltage equipment fixed connection, the bottom and the transformer body electricity of conducting rod are connected, and the free end and the high-low voltage equipment electricity of conducting bar are connected, and the transformer body realizes being connected with high-low voltage equipment's electricity through conducting rod, the electrically conductive cover of being connected with the conducting rod electricity and the electrically conductive row of being connected with the electrically conductive cover electricity like this. When the transformer body goes up and down, the base fixed on the transformer body can drive the conducting rod to go up and down, relative sliding is generated between the conducting rod and the conducting sleeve in the process of going up and down of the conducting rod, and the conducting rod is always electrically connected with the conducting sleeve, namely the transformer body is always electrically connected with high-low voltage distribution equipment, so that the problem that an electric connection structure special for the transformer body and the high-low voltage distribution equipment is lacked in the transformer buried in a lifting mode can be solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an axial measurement structure of an electrical connection structure in state 1 according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
fig. 3 is a schematic view of an axial measurement structure when the electrical connection structure provided by the embodiment of the present invention is in the state 2;
FIG. 4 is an enlarged schematic view of a portion B of FIG. 3;
fig. 5 is an enlarged schematic structural view of a part C in fig. 3.
In the figure: 1. a base; 11. a second insulating sleeve; 12. a flange plate; 2. a conductive rod; 3. a connecting seat; 31. a plate-like portion; 311. perforating holes; 304. an annular gap; 4. a conductive sleeve; 5. a conductive bar; 6. a first insulating sleeve; 7. an insulating tube; 71. a first flange portion; 78. a second flange portion; 8. an insulating cap; 9. an upper insert; 10. a lower insert; 901. a threaded hole; 100. a connecting bolt; 110. a bellows; 120. a spring contact finger; 130. a seal ring; 140. a fuel tank wall.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, an electrical connection structure provided by the present invention will now be described. The electric connection structure comprises a base 1, a conductive rod 2, a connecting seat 3, a conductive sleeve 4 and a conductive bar 5. The base 1 is used for being fixedly connected with the transformer body. The conducting rod 2 is vertically arranged and fixedly connected with the base 1, and the bottom end of the conducting rod 2 is used for being electrically connected with the transformer body. The connecting seat 3 is used for being fixedly connected with high-low voltage equipment. The conductive sleeve 4 is slidably sleeved outside the conductive rod 2 and is electrically connected with the conductive rod 2, and the conductive sleeve 4 is fixedly connected with the connecting seat 3. One end of the conductive bar 5 is fixedly arranged on the conductive sleeve 4 and electrically connected with the conductive sleeve 4, and the other end is used for electrically connecting with high-voltage and low-voltage equipment.
The utility model provides an electric connection structure, when this electric connection structure used, base 1 and transformer body fixed connection, connecting seat 3 and high-low voltage equipment fixed connection, the bottom and the transformer body electricity of conducting rod 2 are connected, and the free end and the high-low voltage equipment electricity of leading electrical drainage 5 are connected, and the transformer body passes through conducting rod 2 like this, the conducting sleeve 4 of being connected with conducting rod 2 electricity and the electricity of leading electrical drainage 5 of being connected with conducting sleeve 4 electricity realize with the electricity of high-low voltage equipment be connected. When the transformer body goes up and down, the base 1 fixed on the transformer body can drive the conducting rod 2 to go up and down, relative sliding is generated between the conducting rod 2 and the conducting sleeve 4 in the process of going up and down, and the conducting rod 2 is always electrically connected with the conducting sleeve 4, namely, the transformer body is always electrically connected with high-low voltage distribution equipment, so that the problem that an electric connection structure special for the transformer body and the high-low voltage distribution equipment is lacked in the transformer buried in a lifting mode can be solved.
The conductive bar 5 in this embodiment is a copper bar.
In some embodiments, referring to fig. 1 and 3, the electrical connection structure further comprises a first insulating sleeve 6. The first insulating sleeve 6 is sleeved and fixed outside the conductive sleeve 4, and the first insulating sleeve 6 is fixedly connected with the connecting seat 3. Wherein the conductive bars 5 penetrate the first insulating sleeve 6. The conductive sleeve 4 is fixedly connected with the connecting seat 3 through the first insulating sleeve 6, and the connecting seat 3 and the conductive sleeve 4 are arranged in an insulating mode.
In some embodiments, the conductive sleeve 4 may be configured as shown in fig. 2, 4 and 5. Referring to fig. 2, 4 and 5, the outer side wall of the conductive sleeve 4 is provided with a first annular groove coaxial with the conductive sleeve 4, and the first insulating sleeve 6 is clamped in the first annular groove. This ensures the secure connection of the conductive sleeve 4 to the first insulating sleeve 6.
In this embodiment, the first insulating sleeve 6 may be made of epoxy resin and integrally cast with the conductive sleeve 4.
In some embodiments, referring to fig. 1 and 3, the electrical connection structure further comprises an insulating tube 7. Insulating tube 7 sets firmly on first insulating cover 6 and the cover is located conductive sleeve 4 and is located one section outside first insulating cover 6 top, can go up and down in insulating tube 7 when conducting rod 2, and insulating tube 7 can insulate the protection to conducting rod 2.
In some embodiments, referring to fig. 1 and 3, the electrical connection structure further comprises an insulating cap 8. The top of insulating cap 8 closed insulating tube 7 and with insulating tube 7 fixed connection, insulating cap 8 encloses the space that constitutes to be used for holding conducting rod 2 and goes up and down with insulating tube 7. This prevents a person or object from accidentally touching the live conductor bar 2.
In some embodiments, the insulating cap 8 and the insulating tube 7 may be configured as shown in fig. 1 and 3. Referring to fig. 1 and 3, the open end of the insulating cap 8 and the top end of the insulating tube 7 are respectively provided with a second flange portion 78 horizontally arranged, two second flange portions 78 are attached to each other and connected through a plurality of sets of matched bolts and nuts, and a sealing ring 130 can be arranged between the other two second flange portions 78 to ensure the sealing between the insulating cap 8 and the insulating tube 7.
As a modified example of this embodiment, the top end of the insulating tube 7 may be provided with an external thread, and the insulating cap 8 is sleeved outside the external thread and provided with an internal thread screwed with the external thread.
In some embodiments, the above-described feature connecting seat 3 may adopt a structure as shown in fig. 1 and 2. Referring to fig. 1 and 2, the connecting seat 3 is provided with a through hole 311 having a vertical axis, and the connecting seat 3 is sleeved on a section of the conductive sleeve 4 below the first insulating sleeve 6 through the through hole 311 and has an annular gap 304 with the conductive sleeve 4, so as to prevent the connecting seat 3 from being electrically connected with the conductive sleeve 4.
In some embodiments, referring to fig. 3 to 5, the bottom end of the insulating tube 7 has a first flange portion 71 fitted on the first insulating sleeve 6, and the electrical connection structure further includes a plurality of upper inserts 9 and a plurality of lower inserts 10. In insert 9 and a plurality of lower inserts 10 all imbeds and are fixed in first insulating bush 6 on a plurality of, go up the upper surface parallel and level of insert 9 and first insulating bush 6, lower insert 10 and the lower surface parallel and level of first insulating bush 6, the upper surface of going up insert 9 and the lower surface of lower insert 10 all are equipped with screw hole 901, screw hole 901 threaded connection has connecting bolt 100, connecting bolt 100's screw rod is worn to locate in connecting seat 3 or first flange portion 71. The screw of the connecting bolt 100 screwed in the threaded hole 901 of the upper insert 9 is inserted into the first flange 71, so that the fixed connection between the insulating tube 7 and the first insulating sleeve 6 is realized, and the screw of the connecting bolt 100 screwed in the threaded hole 901 of the lower insert 10 is inserted into the connecting seat 3, so that the fixed connection between the connecting seat 3 and the first insulating sleeve 6 is realized.
In the present embodiment, the sealing rings 130 may be disposed between the first flange portion 71 and the first insulating sleeve 6, and between the first insulating sleeve 6 and the connecting seat 3.
In some embodiments, the above-described feature base 1 may be configured as shown in fig. 1 and 3. Referring to fig. 1 and 3, the base 1 includes a second insulating sleeve 11 and a flange 12. The second insulating sleeve 11 is fixed outside the conducting rod 2 and the bottom end of the conducting rod 2 is located below the second insulating sleeve 11. The flange 12 is fixed outside the second insulating sleeve 11, and the flange 12 is used for being fixedly connected with the oil tank wall 140 in the transformer body, so that the second insulating sleeve 11 penetrates through the oil tank wall 140. In the prior art, the transformer body includes an outermost oil tank, and the wiring terminal of the transformer body for electrical connection is located in the oil tank. When the device is used, the flange 12 is fixedly connected with the fuel tank wall 140 of the fuel tank, the second insulating sleeve 11 penetrates through the fuel tank wall 140, and the bottom end of the conducting rod 2 positioned below the second insulating sleeve 11 penetrates into the fuel tank to be electrically connected with the binding post, so that the electric connection with the transformer body is realized. The second insulating sleeve 11 can prevent the conduction rod 2 from being electrically connected to the tank wall 140.
In this embodiment, a second annular groove coaxial with the second insulating sleeve 11 is disposed on an outer side wall of the second insulating sleeve 11, and the flange 12 is clamped and fixed in the second annular groove. A sealing ring 130 may be provided between the flange 12 and the tank wall 140. The second insulating sleeve 11 may be made of epoxy resin. The second insulating sleeve 11 and the flange 12 may be integrally molded by casting.
In some embodiments, referring to fig. 1 and 3, the connection seat 3 is located right above the base 1, the base 1 has a plate-shaped portion 31 horizontally disposed and used for disposing the through hole 311, and the electrical connection structure further includes a corrugated tube 110. The corrugated tube 110 is sleeved outside the conductive rod 2 and located between the plate-shaped portion 31 and the flange 12, and the upper end and the lower end of the corrugated tube 110 are fixedly connected with the plate-shaped portion 31 and the flange 12 respectively. The conductive rod 2 can be protected by the corrugated pipe 110, and people or objects are prevented from mistakenly touching the conductive rod 2 with electricity.
In the present embodiment, the bellows 110 is made of an insulating material. The plate-shaped portion 31 supports the first insulating sheath 6, and the screw of the connecting bolt 100 screwed into the screw hole 901 of the lower insert 10 is inserted into the plate-shaped portion 31.
In some embodiments, referring to fig. 2, the electrical connection structure further comprises a number of spring fingers 120. The spring contact fingers 120 are arranged at intervals along the vertical direction, and the spring contact fingers 120 are slidably sleeved on the conductive rod 2 and embedded in the inner wall of the conductive sleeve 4. The conductive sleeve 4 is slidably sleeved on the conductive rod 2 through the spring contact finger 120, and the conductive rod 2 is clamped by the spring contact finger 120 to keep good electrical connection between the conductive sleeve 4 and the conductive rod 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. An electrical connection structure, comprising:
the base is fixedly connected with the transformer body;
the conductive rod is vertically arranged and fixedly connected with the base, and the bottom end of the conductive rod is used for being electrically connected with the transformer body;
the connecting seat is used for being fixedly connected with high-low voltage equipment;
the conductive sleeve is sleeved outside the conductive rod in a sliding manner and is electrically connected with the conductive rod, and the conductive sleeve is fixedly connected with the connecting seat; and
and one end of the conductive bar is fixedly arranged on the conductive sleeve and is electrically connected with the conductive sleeve, and the other end of the conductive bar is used for being electrically connected with high-voltage and low-voltage equipment.
2. The electrical connection structure as claimed in claim 1, further comprising:
the first insulating sleeve is sleeved and fixed outside the conductive sleeve and fixedly connected with the connecting seat;
wherein the conductive bar penetrates the first insulating sleeve.
3. The electrical connection structure as claimed in claim 2, wherein the outer side wall of the conductive sleeve is provided with a first annular groove coaxial with the conductive sleeve, and the first insulating sleeve is clamped in the first annular groove.
4. The electrical connection structure as claimed in claim 3, further comprising:
and the insulating tube is fixedly arranged on the first insulating sleeve and sleeved outside a section of the conductive sleeve above the first insulating sleeve.
5. The electrical connection structure as claimed in claim 4, further comprising:
the insulating cap seals the top end of the insulating tube and is fixedly connected with the insulating tube, and the insulating cap and the insulating tube enclose a space for containing the conductive rod to lift.
6. The electrical connection structure as claimed in claim 3, wherein the connecting base is provided with a through hole with a vertical axis, and the connecting base is sleeved outside a section of the conductive sleeve below the first insulating sleeve through the through hole and has an annular gap with the conductive sleeve.
7. The electrical connection structure as claimed in claim 4, wherein the bottom end of the insulating tube has a first flange portion fitted over the first insulating sleeve, the electrical connection structure further comprising:
a plurality of inserts and a plurality of lower inserts are gone up, and all the embedding is fixed in the first insulation cover, go up the inserts with the upper surface parallel and level of first insulation cover, lower inserts with the lower surface parallel and level of first insulation cover, the upper surface of going up the inserts with the lower surface of inserts all is equipped with the screw hole down, screw hole threaded connection has connecting bolt, connecting bolt's screw rod is worn to locate the connecting seat or in the first flange portion.
8. The electrical connection structure as claimed in claim 6, wherein the base includes:
the second insulating sleeve is sleeved and fixed outside the conducting rod, and the bottom end of the conducting rod is positioned below the second insulating sleeve;
the ring flange, the cover is established and is fixed in outside the insulating cover of second, the ring flange be used for with oil tank wall fixed connection in the transformer body, so that the insulating cover of second pierces through the oil tank wall.
9. The electrical connection structure as claimed in claim 8, wherein the connecting seat is located directly above the base, the base has a plate-shaped portion horizontally disposed and used for disposing the through hole, and the electrical connection structure further comprises:
the corrugated pipe is sleeved outside the conducting rod and is positioned between the plate-shaped part and the flange, and the upper end and the lower end of the corrugated pipe are fixedly connected with the plate-shaped part and the flange respectively.
10. The electrical connection structure as claimed in claim 1, further comprising:
the spring contact fingers are arranged at intervals in the vertical direction and are slidably sleeved on the conductive rod and embedded into the inner wall of the conductive sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758982.3U CN218161126U (en) | 2022-10-19 | 2022-10-19 | Electric connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758982.3U CN218161126U (en) | 2022-10-19 | 2022-10-19 | Electric connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218161126U true CN218161126U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222758982.3U Active CN218161126U (en) | 2022-10-19 | 2022-10-19 | Electric connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218161126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410847A (en) * | 2023-12-14 | 2024-01-16 | 广东可信新能源股份有限公司 | Scheduling metering system based on virtual power plant user terminal and operation method thereof |
-
2022
- 2022-10-19 CN CN202222758982.3U patent/CN218161126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410847A (en) * | 2023-12-14 | 2024-01-16 | 广东可信新能源股份有限公司 | Scheduling metering system based on virtual power plant user terminal and operation method thereof |
| CN117410847B (en) * | 2023-12-14 | 2024-04-05 | 广东可信新能源股份有限公司 | Scheduling metering system based on virtual power plant user terminal and operation method thereof |
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