CN115498546A - Composition structure of 10kV distribution transformer rack - Google Patents
Composition structure of 10kV distribution transformer rack Download PDFInfo
- Publication number
- CN115498546A CN115498546A CN202211211153.1A CN202211211153A CN115498546A CN 115498546 A CN115498546 A CN 115498546A CN 202211211153 A CN202211211153 A CN 202211211153A CN 115498546 A CN115498546 A CN 115498546A
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- section
- lead
- self
- transformer
- lead wire
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/02—Non-enclosed substations; Substations with enclosed and non-enclosed equipment mounted on pole, e.g. pole transformer substation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a composition structure of a 10kV distribution transformer rack, which comprises a rack body, a transformer and a pre-installed lead wire assembly; the pre-installed lead wire assembly comprises a pre-installed lead wire, a protective sleeve, a self-locking end connector and a self-locking connecting device; the prefabricated lead wire comprises a first section of down lead, a second section of down lead and a third section of down lead, and the three sections of down leads are provided with reserved interfaces; one end of the third section of downlead is provided with a self-locking end head connector, the self-locking end head connector is used for connecting a transformer on the rack, the other end of the third section of downlead is sequentially connected with the second section of downlead and the first section of downlead, and the downleads of all sections are connected through reserved interfaces; the first section of downlead is connected to the power transmission wire through a self-locking connecting device, and the tail end of the first section of downlead is connected with the protective sleeve. The invention can directly connect the prefabricated lead wire with the original lead wire, tighten the wire, self-lock and block the protection to finish the construction, and has fast construction speed and high quality.
Description
Technical Field
The invention relates to the technical field of power equipment installation, in particular to a composition structure of a 10kV distribution transformer rack.
Background
At present, a rack lead wire in an electric power system is generally subjected to on-site processing and crimping, is influenced by the level of manual construction, and has the problems of poor quality control, different lengths, different process qualities and easy joint faults. Therefore, a set of preassembled type lead wire assembly meeting the 10kV distribution transformer rack needs to be researched and developed, and the requirement for distribution network construction is met.
Disclosure of Invention
The invention aims to provide a composition structure of a 10kV distribution transformer rack, which comprises a pre-assembled lead wire assembly and can solve the problem that joint faults are easily caused due to poor control of the quality of a lead wire installed in manual construction in the prior art.
The purpose of the invention is realized by the following technical scheme:
the invention provides a composition structure of a 10kV distribution transformer rack, which comprises a rack body, a transformer and a preassembled lead wire assembly, wherein the rack body is provided with a plurality of parallel connecting rods; the rack body comprises two vertical supporting electric poles, a plurality of cross rods are connected between the two supporting electric poles, and the top ends of the supporting electric poles are provided with cross arms which are fixedly provided with transmission conductors; the cross bar is provided with a corresponding isolation disconnecting link, a column type lightning arrester and a transformer, the transformer is connected with the lower end of the pre-installed lead wire assembly, and the upper end of the pre-installed lead wire assembly is connected to the power transmission lead; the pre-installed lead wire assembly comprises a prefabricated lead wire, a protective sleeve, a self-locking end connector and a self-locking connecting device; the prefabricated lead wire comprises a first section of down lead, a second section of down lead and a third section of down lead, and the three sections of down leads are provided with reserved interfaces which are matched in a connecting way; one end of the third section of downlead is provided with a self-locking end head connector which is used for connecting a transformer on the rack, the other end of the third section of downlead is sequentially connected with the second section of downlead and the first section of downlead, and the downleads of all the sections are connected through the reserved interfaces; the first section of downlead is connected to the power transmission wire through the self-locking connecting device, and the tail end of the first section of downlead is connected with the protective sleeve.
Further, the preassembled lead wire assembly further comprises a wire tightener; the tightener is used for tightening the prefabricated lead wire.
Further, the turn-buckle is used for tightening prefabricated formula lead wire include:
the middle part of the first section of the down lead is contacted with a groove of an insulator of the cross bar and penetrates through the wire grip to be tightened;
the lower end part of the first section of the down lead is contacted with a groove of an insulator of the isolation switch and penetrates through the wire grip to be tightened;
the middle part of the third section of the down lead is contacted with a groove of an insulator of the column type lightning arrester and penetrates through the wire grip to be tightened;
further, the wire grip includes a first fastening portion, a second fastening portion, and a fastener; the first fastening part is provided with a bayonet which is sleeved on the insulator in the middle, and two ends of the first fastening part are provided with first connecting holes; the middle part of the second fastening part is provided with a groove matched with the prefabricated lead wire, and two ends of the second fastening part are provided with second connecting holes; and tightening the prefabricated lead wire on the insulator by utilizing the fastener to penetrate through the second connecting hole and the first connecting hole.
Further, the self-locking connector comprises a fixed clamping end and an adaptive clamping end; the fixed clamping end is connected with the first section of down lead, and the adaptive clamping end is connected with the transmission conductor.
Further, the self-locking header connector comprises a first connecting part and a second connecting part; the first connecting part and the second connecting part are connected through clamping and form a lead connecting hole and a transformer end connecting hole after being connected with each other; and the third section of down lead passes through the lead connecting hole and the transmission port of the transformer passes through the transformer end connecting hole, so that the third section of down lead is electrically connected with the transformer connecting port.
Furthermore, the self-locking connector, the self-locking end connector and the protective sleeve are made of insulating shell materials.
Furthermore, the reserved interfaces of the first section of down lead, the second section of down lead and the third section of down lead are universal interfaces.
The invention has the beneficial effects that:
the composition structure of the 10kV distribution transformer rack adopts the pre-assembled lead wire assembly, so that the prefabricated lead wire can be constructed by directly connecting, tightening, self-locking and plugging the prefabricated lead wire and the original lead wire without on-site processing and crimping, the phenomenon of uneven construction quality is avoided, the requirement on the skill level of constructors is lower, the construction speed is high, and the construction quality is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall schematic diagram of a composition structure of a 10kV distribution transformer rack;
FIG. 2 is another schematic diagram of the whole structure of the 10kV distribution transformer rack;
FIG. 3 is a schematic view of the installation structure of the self-locking connection device;
FIG. 4 is a schematic side view of the tightener;
FIG. 5 is a top view of the tightener shown secured thereto;
fig. 6 is a schematic side view of the tightener of the pole arrestor;
fig. 7 is a schematic view of the installation of the self-locking header connector.
The reference numbers are as follows:
1-a first section of down lead, 2-a second section of down lead, 3-a third section of down lead, 4-a protective sleeve, 5-a self-locking connecting device, 6-a turn-buckle (side fixing), 7-a turn-buckle (top fixing), 9-a self-locking terminal connector, 10-an isolation switch, 11-a drop-out fuse, 12-a column type lightning arrester, 13-a transformer, 14-a transmission wire, 15-a cross arm, 16-a cross bar, 17-a supporting pole, 18-an insulator, 501-an adaptive clamping end, 502-a fixed clamping end, 701-a first fastening part, 702-a second fastening part, 703-a fastening part, 901-a first connecting part and 902-a second connecting part.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without inventive step, are intended to be within the scope of the present disclosure.
Referring to fig. 1 to 7, an embodiment of the present invention provides a composition structure of a 10kV distribution transformer stand, including a stand body, a transformer and a preassembled lead assembly; the rack body comprises two vertical supporting electric poles, a plurality of cross rods are connected between the two supporting electric poles, and the top ends of the supporting electric poles are provided with cross arms which are fixedly provided with transmission conductors; the transformer is connected with the lower end of a pre-installed lead wire assembly, the pre-installed lead wire assembly is fixedly installed on the transformer, the column type lightning arrester, the drop-out fuse and the isolation disconnecting link on the cross rod from bottom to top in sequence, and finally the upper end of the pre-installed lead wire assembly is connected to the power transmission lead wire; the pre-installed lead wire assembly comprises a pre-installed lead wire, a protective sleeve, a self-locking end connector and a self-locking connecting device; the prefabricated lead wire comprises a first section of down lead, a second section of down lead and a third section of down lead, and the three sections of down leads are provided with reserved interfaces which are matched in a connecting way; one end of the third section of the down lead is provided with a self-locking end head connector, the self-locking end head connector is used for connecting a transformer on the rack, the other end of the third section of the down lead is sequentially connected with the second section of the down lead and the first section of the down lead, and all the down leads are connected through the reserved interfaces; the first section of downlead is connected to the power transmission wire through the self-locking connecting device, and the tail end of the first section of downlead is connected with the protective sleeve.
Specifically, the preassembled lead wire assembly further comprises a wire tightener; the turn-buckle is used for tightening up prefabricated formula lead wire. The tightener comprises a first fastening part, a second fastening part and a fastening piece; the first fastening part is provided with a bayonet which is sleeved on the insulator in the middle, and two ends of the first fastening part are provided with first connecting holes; the middle part of the second fastening part is provided with a groove matched with the prefabricated lead wire, and two ends of the second fastening part are provided with second connecting holes; and tightening the prefabricated lead wire on the insulator by utilizing the fastener to penetrate through the second connecting hole and the first connecting hole.
In specific implementation, please refer to fig. 4, the middle part of the first section down lead contacts the groove of the insulator of the cross rod, at this time, since the position of the insulator is transversely extended (laterally fixed), the bayonet at the middle part of the first fastening part of the wire tightener is sleeved on the side groove of the insulator, the middle groove of the second fastening part is contacted and matched with the first section down lead, and then the fastener of the wire tightens the first section down lead on the insulator of the cross rod by passing through the second connecting hole and the first connecting hole, so that the normal tightening degree of the down lead is ensured, the condition of poor connection or over-tightening process caused by too long or too short down lead is avoided, and the wiring fault is reduced.
In specific implementation, please refer to fig. 5, the lower end of the first section of downlead contacts with the groove of the insulator of the isolation switch, at this time, since the position of the insulator is transversely and obliquely upwards extended (top fixed), the bayonet at the middle of the first fastening part of the tightener is sleeved on the side groove of the insulator, the middle groove of the second fastening part contacts with the first section of downlead, and the fastener of the tightener passes through the second connecting hole and the first connecting hole to tighten the first section of downlead on the insulator of the isolation switch, thereby ensuring the normal tightening degree of the downlead, avoiding the poor process condition of loose connection or over-tightening due to too long or too short lead, and reducing the wiring fault.
In specific implementation, please refer to fig. 6, the middle part of the third segment down lead contacts the groove of the insulator of the column arrester, at this time, since the insulator is laterally extended, the bayonet at the middle part of the first fastening part of the wire grip is sleeved on the side groove of the insulator, the middle part groove of the second fastening part is contacted and matched with the first segment down lead, and then the third segment down lead is tightened on the insulator of the column arrester by the fastener of the wire grip penetrating through the second connecting hole and the first connecting hole, so as to ensure the normal tightening degree of the down lead, avoid the condition of poor connection or over-tightening process due to too long or too short down lead, and reduce the wiring fault.
Specifically, the self-locking connector comprises a fixed clamping end and an adaptive clamping end; fixed exposed core connects first section downlead, the adaptation exposed core is connected transmission of electricity wire sets one end to the self-adaptation exposed core, can adapt to the transmission of electricity wire of different sizes.
Preferably, the shell of the self-locking connector is made of an insulating material, and the requirement of circuit operation insulation is met.
Specifically, referring to fig. 7, the self-locking header connector includes a first connection portion and a second connection portion; the first connecting part and the second connecting part are connected through clamping and form a lead connecting hole and a transformer end connecting hole after being connected with each other; the third section of the down lead penetrates through the lead connecting hole and the transmission port of the transformer penetrates through the transformer end connecting hole, so that the third section of the down lead is electrically connected with the transformer connecting port, and the shell of the self-locking end connector is made of an insulating material, so that the insulating requirement of line operation is met, and the connection between the three sections of the down leads and the transformer connecting port is well protected.
Preferably, the protective sheath is insulating casing material, satisfies the insulating requirement of circuit operation.
Preferably, the reserved interfaces of the first section of down lead, the second section of down lead and the third section of down lead are universal interfaces, can be suitable for various types of wires, are tightly butted and are conductive.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (8)
1. A composition structure of a 10kV distribution transformer rack comprises a rack body, a transformer and a preassembled lead wire assembly; the rack body comprises two vertical supporting electric poles, a plurality of cross rods are connected between the two supporting electric poles, and the top ends of the supporting electric poles are provided with cross arms which are fixedly provided with transmission conductors; the cross bar is provided with a corresponding isolation disconnecting link, a column type lightning arrester and a transformer, the transformer is connected with the lower end of the pre-installed lead wire assembly, and the upper end of the pre-installed lead wire assembly is connected to the power transmission lead; the pre-assembly type lead wire assembly comprises a pre-assembly type lead wire, a protective sleeve, a self-locking end head connector and a self-locking connecting device; the prefabricated lead wire comprises a first section of down lead, a second section of down lead and a third section of down lead, and the three sections of down leads are provided with reserved interfaces; one end of the third section of downlead is provided with a self-locking end head connector which is used for connecting a transformer on the rack, the other end of the third section of downlead is sequentially connected with the second section of downlead and the first section of downlead, and the downleads of all the sections are connected through the reserved interfaces; the first section of downlead is connected to the power transmission wire through the self-locking connecting device, and the tail end of the first section of downlead is connected with the protective sleeve.
2. The composition structure of the 10kV distribution transformer rack according to claim 1, wherein the preassembled lead wire assembly further comprises a wire tightener; the tightener is used for tightening the prefabricated lead wire.
3. The composition structure of the 10kV distribution transformer stand as claimed in claim 2, wherein the tightener is used for tightening prefabricated lead wires and comprises:
the middle part of the first section of down lead is contacted with a groove of an insulator of the cross bar and penetrates through the wire grip to be tightened;
the lower end part of the first section of the down lead is contacted with a groove of an insulator of the isolation switch and penetrates through the wire grip to be tightened;
and the middle part of the third section of down lead is contacted on a groove of an insulator of the column type lightning arrester and penetrates through the wire grip to be tightened.
4. The composition structure of the 10kV distribution transformer rack according to claim 2 or 3, wherein the tightener comprises a first fastening part, a second fastening part and a fastening part; the first fastening part is provided with a bayonet which is sleeved on the insulator in the middle, and two ends of the first fastening part are provided with first connecting holes; the middle part of the second fastening part is provided with a groove matched with the prefabricated lead wire, and two ends of the second fastening part are provided with second connecting holes; and tightening the prefabricated lead wire on the insulator by utilizing the fastener to penetrate through the second connecting hole and the first connecting hole.
5. The composition structure of the 10kV distribution transformer stand according to claim 1, wherein the self-locking connector comprises a fixed clamping end and an adaptive clamping end; the fixed clamping end is connected with the first section of down lead, and the adaptive clamping end is connected with the transmission conductor.
6. The composition structure of a 10kV distribution substation rack according to claim 1, wherein the self-locking end connector comprises a first connecting part and a second connecting part; the first connecting part and the second connecting part are connected through clamping and form a lead connecting hole and a transformer end connecting hole after being connected with each other; and the third section of down lead passes through the lead connecting hole and the transmission port of the transformer passes through the transformer end connecting hole, so that the third section of down lead is electrically connected with the transformer connecting port.
7. The composition structure of the 10kV distribution transformer stand according to claim 1, wherein the self-locking connector, the self-locking end connector and the protective sleeve are made of insulating shell materials.
8. The composition structure of the 10kV distribution transformer stand as claimed in claim 1, wherein the reserved interfaces of the first section down conductor, the second section down conductor and the third section down conductor are universal interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211153.1A CN115498546A (en) | 2022-09-30 | 2022-09-30 | Composition structure of 10kV distribution transformer rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211153.1A CN115498546A (en) | 2022-09-30 | 2022-09-30 | Composition structure of 10kV distribution transformer rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115498546A true CN115498546A (en) | 2022-12-20 |
Family
ID=84471709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211211153.1A Pending CN115498546A (en) | 2022-09-30 | 2022-09-30 | Composition structure of 10kV distribution transformer rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115498546A (en) |
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2022
- 2022-09-30 CN CN202211211153.1A patent/CN115498546A/en active Pending
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