CN109616964B - Plug-and-play adjustable cable support for transformer incoming line - Google Patents
Plug-and-play adjustable cable support for transformer incoming line Download PDFInfo
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- CN109616964B CN109616964B CN201811287885.2A CN201811287885A CN109616964B CN 109616964 B CN109616964 B CN 109616964B CN 201811287885 A CN201811287885 A CN 201811287885A CN 109616964 B CN109616964 B CN 109616964B
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- support
- main
- cable
- plug
- transformer
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
Abstract
The invention relates to a plug-and-play adjustable cable support for incoming lines of a transformer, which is widely applied to equipment installation of 35kV transformer substation with cable incoming lines on the main high (low) voltage side, and belongs to the technical field of transformer field installation equipment. Including the main support that has the bottom plate, height-adjustable's main regulation support, fine setting support are installed in proper order to the top of main support, and plug-in cable terminal switching mouth is installed at the top of fine setting support, and transformer incoming cable is connected to plug-in cable terminal switching mouth one end, the copper bar generating line is connected to the other end, and the copper bar generating line is connected with the transformer terminal. The invention has simple structure, convenient installation, short installation power-off time and high safety factor, and is suitable for transformers with different heights.
Description
Technical Field
The invention relates to a transformer incoming cable bracket of a transformer substation, which is widely applied to the installation of equipment with cable incoming on the main high (low) voltage side of a 35kV transformer substation and belongs to the technical field of transformer site installation equipment.
Background
In recent years, power grid companies have made requirements on the overall dimensions of main transformers based on the principle of equipment universality and interchangeability, but equipment heights of different manufacturers still have differences within a certain range, so that transformer incoming cable supports need to be manufactured again according to the heights of the transformers when the transformers are overhauled and replaced. The existing cable support manufacturing method needs to utilize materials such as channel steel and angle steel to carry out on-site volume manufacturing and is formed by welding, leftover materials cannot be continuously utilized, a large amount of waste is caused, labor and time are wasted, and the economical efficiency is poor. The cable support needs to be reworked once when the transformer is replaced every time, the universal interchange requirement of the transformer is not met, and the installation of a cable head needs to be punched or welded and fixed again on site, so that labor and time are wasted, and the installation efficiency is influenced.
Therefore, a plug and play adjustable cable holder for transformer incoming cables is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the adjustable cable support for the transformer incoming line, which has the advantages of simple structure, convenience in installation, short installation power failure time, high safety coefficient and suitability for universal interchangeability of equipment.
An adjustable cable support for a transformer incoming line, which can be used in a plug-and-play mode, is characterized by comprising a main support 1 with a bottom plate 17, wherein a height-adjustable main adjusting support 2 and a fine adjusting support 3 are sequentially arranged above the main support 1, a plug-in cable terminal switching port 5 is arranged at the top of the fine adjusting support 3, one end of the plug-in cable terminal switching port 5 is connected with a transformer incoming line cable 7, the other end of the plug-in cable terminal switching port is connected with a copper bar bus 10, and the copper bar bus 10 is connected with a transformer;
preferably, the main support 1, the main adjusting support 2 and the fine adjusting support 3 are all hollow structures, the main adjusting support 2 is partially inserted into the main support 1, the fine adjusting support 3 is partially inserted into the main adjusting support 2, a plurality of spaced main adjusting holes 14 are formed along the height direction of the main support 1 and the main adjusting support 2, a plurality of spaced fine adjusting holes 15 are formed along the height direction of the fine adjusting support 3, the main support 1 and the main adjusting support 2, and the main adjusting support 2 and the fine adjusting support 3 are fixed through bolts, the hole spacing between adjacent main adjusting holes 14 is 15-25 cm, and the hole spacing between adjacent fine adjusting holes 15 is 1-3 cm;
preferably, the diameter of the main adjusting hole 14 is 25-35 mm, and the diameter of the fine adjusting hole 15 is 10-15 mm;
preferably, the plug-in cable terminal adapter 5 is L-shaped and comprises a copper conductor 11 and an insulating protective sleeve 12 coated outside the copper conductor 11, one end of the copper conductor 11 extends to the outside of the insulating protective sleeve 12 and is connected with the copper bar bus 10 through a bolt, and the other end of the copper conductor 11 is located in the insulating protective sleeve 12 and is connected with the plug-in cable terminal bayonet 13;
preferably, the top of the fine tuning support 3 is provided with a fixing hoop 4 for fixing a plug-in cable terminal adapter interface 5;
preferably, the outer walls of the main support 1 and the main adjusting support 2 are both provided with an auxiliary cable fixing support 8, two ends of the auxiliary cable fixing support 8 are fixed on the main support 1 or the main adjusting support 2 through bolts, and the auxiliary cable fixing support 8 is provided with a cable hoop 16 for fixing the incoming cable 7 of the transformer;
preferably, the bottom plate 17 at the bottom of the main stand 1 is fixed on the ground through a plurality of anchor bolts 9;
preferably, the transformer incoming cable 7 is plugged with the plug-in cable terminal bayonet 13 through the cable terminal 6.
The plug-and-play adjustable cable support for the incoming line of the transformer can solve the problem that the height of the cable support is not matched with that of a new main transformer during the capacity increasing or replacing of the main transformer, is convenient to install and disassemble, realizes the plug-and-play of equipment installation, and has the following beneficial effects:
1. the transformer has the advantages of flexible adjustment, capability of meeting the requirement of universal interchangeability, improvement of the safety and the stability of equipment installation and connection, and suitability for transformers of different models. In the past, when the transformer is replaced, the transformer is installed in a fixing mode of bending a copper bus or reworking a cable support in order to adapt to the heights of different transformers. If the copper bar bus is bent, the extension of the bent part is stretched and extended, a metal crystal chain is damaged, the conductivity can be reduced, the mechanical strength of the copper bar bus and the short-circuit resistant electrodynamic force resistance can be reduced, and the safe operation of equipment is influenced to a certain extent. According to the invention, the height matching of the cable support and the transformer is realized through the main adjusting support and the fine adjusting support, the support does not need to be reworked or the copper bus is not needed to be bent, the material used for the copper bus is saved, the bending and stress of the copper bus are reduced, and the stability of equipment connection is improved.
2. And the maintenance cost is saved. The traditional cable support is labor-consuming and time-consuming in manufacturing, the recycling degree is low after the transformer is replaced, and reasonable utilization of resources cannot be realized. The cable support can be repeatedly used, the cable support does not need to be reworked, the length of an extra copper bus is not needed to be increased, the overhaul period is saved by 1-2 days, and the overhaul and installation cost is saved.
3. Simple structure and convenient installation. The main support is fixed on the ground through foundation bolts, the main adjusting support is fixed with the main support through bolts, the plug-in cable terminal switching port is welded on the fine adjusting support through a fixing hoop, the fine adjusting support is fixed with the main adjusting support through bolts, and the installation process is time-saving and labor-saving;
4. is convenient to disassemble. When the transformer is replaced or overhauled, the incoming cable of the transformer is pulled out, the copper bar bus is untied, the foot nuts are untied, the cable support can be integrally detached, and the transformer is convenient to take place and overhaul and disassemble.
5. And (4) plug and play. The plug-in cable terminal adaptor of the invention has a cable socket and a rectangular copper bus interface which are integrally formed, the plug-in cable terminal adaptor has 2 interfaces integrally, one end of the plug-in cable terminal adaptor is connected with a transformer incoming cable through the plug-in interface, and the other end of the plug-in cable terminal adaptor is fixedly connected with the rectangular copper bus through a bolt. Like this, the inlet wire cable pass through cable termination disect insertion plug-in cable termination switching mouth can, realize cable installation's plug and play, copper bar generating line side-mounting is also very convenient, use 4 bolt installation reinforcement can, it is very convenient.
Drawings
FIG. 1: the invention discloses a structural schematic diagram of an adjustable cable support which can be used for a transformer inlet wire in a plug-and-play manner;
FIG. 2: the A-direction structure of FIG. 1 is schematically shown;
FIG. 3: FIG. 2 is a top view;
FIG. 4: fig. 1 is an enlarged schematic view at B.
In the figure: 1. a main support; 2. a main adjusting bracket; 3. Fine-tuning the support; 4. fixing the anchor ear; 5. a plug-in cable terminal adapter; 6. a cable termination; 7. a transformer incoming cable; 8. A cable auxiliary fixing bracket; 9. anchor bolts; 10. a copper bar bus; 11. a copper conductor; 12. an insulating protective sleeve; 13. a plug-in cable terminal bayonet; 14. a main tuning hole; 15. fine-tuning the holes; 16. a cable hoop; 17. a base plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the plug-and-play adjustable cable support for transformer incoming lines of the present embodiment includes a main support 1 with a bottom plate 17, a height-adjustable main adjusting support 2 and a fine adjusting support 3 are sequentially installed above the main support 1, a plug-in cable terminal adapter port 5 is installed at the top of the fine adjusting support 3, one end of the plug-in cable terminal adapter port 5 is connected with a transformer incoming line cable 7, the other end of the plug-in cable terminal adapter port is connected with a copper bar bus 10, and the copper bar bus 10 is connected with a transformer binding post;
in order to realize the height adjustment of the support and save time and labor for adjustment, the main support 1, the main adjusting support 2 and the fine adjusting support 3 are all hollow structures, part of the main adjusting support 2 is inserted into the main support 1, part of the fine adjusting support 3 is inserted into the main adjusting support 2, a plurality of spaced main adjusting holes 14 are arranged along the height direction of the main support 1 and the main adjusting support 2, a plurality of spaced fine adjusting holes 15 are arranged along the height direction of the fine adjusting support 3, the main support 1, the main adjusting support 2 and the fine adjusting support 3 are fixed by bolts, the diameter of each main adjusting hole 14 is 25-35 mm, the hole distance between every two adjacent main adjusting holes 14 is 15-25 cm, preferably 20 cm, the main adjusting precision is 20 cm, the adjusting range is 20 cm-100 cm, the diameter of each fine adjusting hole 15 is 10-15 mm, the hole spacing between adjacent fine tuning holes 15 is 1-3 cm, preferably 2 cm, the fine tuning precision is 2 cm, and the adjusting range is 2 cm-20 cm;
the plug-in cable terminal adapter port 5 of the embodiment is L-shaped and comprises a copper conductor 11 and an insulating protective sleeve 12 coated outside the copper conductor 11, wherein one end of the copper conductor 11 extends to the outside of the insulating protective sleeve 12 and is connected with a copper bar bus 10 through a bolt, the other end of the copper conductor 11 is positioned in the insulating protective sleeve 12 and is connected with a plug-in cable terminal bayonet 13, and a transformer incoming cable 7 is plugged with the plug-in cable terminal bayonet 13 through a cable terminal 6;
the top of the fine tuning bracket 3 of the embodiment is provided with a fixing hoop 4 for fixing a plug-in cable terminal adapter interface 5;
preferably, the outer walls of the main support 1 and the main adjusting support 2 are both provided with an auxiliary cable fixing support 8, two ends of the auxiliary cable fixing support 8 are fixed on the main support 1 or the main adjusting support 2 through bolts, and the auxiliary cable fixing support 8 is provided with a cable hoop 16 for fixing the incoming cable 7 of the transformer;
in order to facilitate the assembly and disassembly, a bottom plate 17 at the bottom of the main stand 1 is fixed on the ground through a plurality of anchor bolts 9.
During the use, be fixed in subaerial through rag bolt 9 with main support 1, lift main regulation support 2 according to the height of transformer on, be fixed in the current position with main regulation support 2 through the bolt, lift fine setting support 3 again, rethread bolt will be fixed in the current position for adjusting support 3, insert cable terminal 6 of transformer incoming cable 7 in plug-in cable terminal bayonet 13, with copper bar bus-bar 10 through the bolt fastening on copper conductor 11 can, when the transformer is changed or overhauls, only need the transformer to carry out cable 7 and extract, loosen the bolt on copper bar bus-bar 10, loosen rag bolt 9's nut, can wholly demolish the cable support, make things convenient for the transformer to take one's place and overhaul to tear open the fortune.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The adjustable cable support for the incoming line of the transformer capable of being plugged and used is characterized by comprising a main support (1) with a bottom plate (17), wherein a height-adjustable main adjusting support (2) and a fine adjusting support (3) are sequentially arranged above the main support (1), a plug-in cable terminal switching port (5) is arranged at the top of the fine adjusting support (3), one end of the plug-in cable terminal switching port (5) is connected with an incoming line cable (7) of the transformer, the other end of the plug-in cable terminal switching port is connected with a copper bar bus (10), and the copper bar bus (10) is connected with a binding post;
the main support (1), the main adjusting support (2) and the fine adjusting support (3) are all of hollow structures, the main adjusting support (2) is partially inserted into the main support (1), the fine adjusting support (3) is partially inserted into the main adjusting support (2), a plurality of spaced main adjusting holes (14) are formed in the height direction of the main support (1) and the main adjusting support (2), a plurality of spaced fine adjusting holes (15) are formed in the height direction of the fine adjusting support (3), the main support (1) and the main adjusting support (2), the main adjusting support (2) and the fine adjusting support (3) are fixed through bolts, the hole distance between every two adjacent main adjusting holes (14) is 15-25 cm, and the hole distance between every two adjacent fine adjusting holes (15) is 1-3 cm;
the diameter of the main adjusting hole (14) is 25-35 mm, and the diameter of the fine adjusting hole (15) is 10-15 mm;
the plug-in cable terminal adapter (5) is L-shaped and comprises a copper conductor (11) and an insulating protective sleeve (12) coated outside the copper conductor (11), one end of the copper conductor (11) extends to the outside of the insulating protective sleeve (12) and is connected with a copper bar bus (10) through a bolt, and the other end of the copper conductor (11) is located in the insulating protective sleeve (12) and is connected with a plug-in cable terminal bayonet (13);
the top of the fine tuning support (3) is provided with a fixing hoop (4) for fixing a plug-in cable terminal adapter (5);
the outer walls of the main support (1) and the main adjusting support (2) are respectively provided with an auxiliary cable fixing support (8), two ends of the auxiliary cable fixing support (8) are fixed on the main support (1) or the main adjusting support (2) through bolts, and the auxiliary cable fixing support (8) is provided with a cable hoop (16) for fixing a transformer incoming cable (7);
a bottom plate (17) at the bottom of the main bracket (1) is fixed on the ground through a plurality of foundation bolts (9);
the transformer incoming cable (7) is connected with the plug-in cable terminal bayonet (13) in an inserting mode through the cable terminal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287885.2A CN109616964B (en) | 2018-10-31 | 2018-10-31 | Plug-and-play adjustable cable support for transformer incoming line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287885.2A CN109616964B (en) | 2018-10-31 | 2018-10-31 | Plug-and-play adjustable cable support for transformer incoming line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109616964A CN109616964A (en) | 2019-04-12 |
| CN109616964B true CN109616964B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287885.2A Expired - Fee Related CN109616964B (en) | 2018-10-31 | 2018-10-31 | Plug-and-play adjustable cable support for transformer incoming line |
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| Country | Link |
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| CN (1) | CN109616964B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478267A (en) * | 2020-04-28 | 2020-07-31 | 国家电网有限公司 | Cable dry-type terminal strutting arrangement with unmanned aerial vehicle platform that charges that rises and falls |
| CN111478266A (en) * | 2020-04-28 | 2020-07-31 | 国家电网有限公司 | High-voltage power tower cable dry-type terminal sitting type supporting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120005667U (en) * | 2011-01-28 | 2012-08-07 | 한국전력공사 | Steel pole for cable inside |
| CN105375344A (en) * | 2015-12-09 | 2016-03-02 | 福州万山电力咨询有限公司 | Mounting structure and method for 35kV inlet cable of intelligent substation |
| CN207542697U (en) * | 2017-09-27 | 2018-06-26 | 南京电力工程设计有限公司 | A kind of adjustable cable support suitable for assembled substation |
-
2018
- 2018-10-31 CN CN201811287885.2A patent/CN109616964B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120005667U (en) * | 2011-01-28 | 2012-08-07 | 한국전력공사 | Steel pole for cable inside |
| CN105375344A (en) * | 2015-12-09 | 2016-03-02 | 福州万山电力咨询有限公司 | Mounting structure and method for 35kV inlet cable of intelligent substation |
| CN207542697U (en) * | 2017-09-27 | 2018-06-26 | 南京电力工程设计有限公司 | A kind of adjustable cable support suitable for assembled substation |
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| CN109616964A (en) | 2019-04-12 |
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