CN111188525A - Combined device for reliably connecting double-circuit cable terminal and equipment cable clamp - Google Patents
Combined device for reliably connecting double-circuit cable terminal and equipment cable clamp Download PDFInfo
- Publication number
- CN111188525A CN111188525A CN201911377936.5A CN201911377936A CN111188525A CN 111188525 A CN111188525 A CN 111188525A CN 201911377936 A CN201911377936 A CN 201911377936A CN 111188525 A CN111188525 A CN 111188525A
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- China
- Prior art keywords
- hoop
- plate
- insulator
- post insulator
- shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a combined device for reliably connecting a double-circuit cable terminal and an equipment cable clamp, which comprises a hoop group and a post insulator, wherein the post insulator is fixedly arranged on the hoop group; the hoop group comprises a hoop plate and a U-shaped hoop; the hoop plate is a multi-edge plate, and two ends of the hoop plate are bent outwards to form connecting lugs; the connecting lugs are symmetrically provided with mounting holes; the U-shaped hoop is fixed on the hoop plate, and two ends of the U-shaped hoop are respectively and fixedly installed in the installation holes of the connecting lugs through fastening nuts; the top surface of the hoop plate is provided with a connecting seat, one end of the post insulator is fixedly installed on the connecting seat, and the other end of the post insulator is fixedly installed on the insulator bottom plate through a bolt. The U-shaped hoop is fixed on the tower, so that two double-circuit cable terminals can be directly connected with the equipment cable clamp, and the fixing effect is achieved; the minimum safe distance is increased by the post insulator, so that the connection between the double-circuit cable terminal and the equipment wire clamp is reliable and stable, and the safe operation of the line is ensured.
Description
Technical Field
The invention relates to a combined device for reliably connecting a double-circuit cable terminal and an equipment wire clamp, and belongs to the technical field of power transmission.
Background
The instantaneous current is great when the generating set of power plant starts, for satisfying the power plant's demand of being incorporated into the power networks of being equipped with oneself, used circuit both had been as starting source, also was used for the power generation of being incorporated into the power networks in the future, consequently this circuit can only select for use comparatively unusual big line footpath type wire, and single circuit power cable no matter be aluminium core or copper core, can't match with it in the aspect of the current-carrying capacity, so, this kind of circuit generally adopts two return aluminium core power cable.
Two return aluminium core power cable need two return circuit cable terminal, and two return circuit cable climbs cable to cross arm below respectively from iron tower both sides, because distance between two cable terminal, with the distance of wire equipment fastener all great, can't be in the same place three lug connection, do not have among the prior art specially used transition equipment of this connection. But the connection is reliable, and the connection is fixed in the horizontal direction of the tower, so that the minimum safe distance of the live part to the tower is ensured, and the side sway caused by external force factors such as wind and the like is prevented from influencing the safe operation.
Therefore, it is necessary to design an iron tower hoop combining device for reliably connecting the double-loop cable terminal and the equipment wire clamp, so as to realize reliable direct connection between the double-loop cable terminal and the wire equipment wire clamp.
Disclosure of Invention
Aiming at the problem that no special equipment for reliable direct connection between a double-loop cable terminal and a wire equipment wire clamp exists in the prior art, the invention provides a combined device for reliably connecting the double-loop cable terminal and the wire equipment wire clamp, which is assembled and installed by adopting a U-shaped hoop, a post insulator and the like, is used for reliable connection between the double-cable terminal and the wire equipment wire clamp, is produced and applied to actual engineering, and achieves good effect.
The technical scheme for solving the technical problems is as follows: a combined device for reliably connecting a double-circuit cable terminal and an equipment cable clamp comprises a hoop group and a post insulator, wherein the post insulator is fixedly arranged on the hoop group; the hoop group comprises a hoop plate and a U-shaped hoop; the hoop plate is a multi-edge plate, and two ends of the hoop plate are bent outwards to form connecting lugs; the connecting lugs are symmetrically provided with mounting holes; the U-shaped hoop is fixed on the hoop plate, and two ends of the U-shaped hoop are respectively and fixedly installed in the installation holes of the connecting lugs through bolts; the top surface of the hoop plate is provided with a connecting seat, one end of the post insulator is fixedly installed on the connecting seat, and the other end of the post insulator is fixedly installed on the insulator bottom plate through a bolt.
The U-shaped hoop is fixed on the tower, so that two double-circuit cable terminals can be directly connected with the equipment cable clamp, and the fixing effect is achieved, and the side sway caused by the external force action is prevented; the minimum safe distance is increased by the post insulator, so that the connection between the double-circuit cable terminal and the equipment wire clamp is reliable and stable, and the safe operation of the line is ensured.
On the basis of the technical scheme, in order to achieve the convenience of use and the stability of equipment, the invention can also make the following improvements on the technical scheme:
furthermore, the connecting lug is symmetrically provided with two pairs of mounting holes; the U-shaped anchor ear has two, installs a U-shaped anchor ear on every mounting hole respectively.
Further, the connecting seat comprises a base and a connecting plate; the base is fixedly arranged on the hoop plate; the connecting plate is fixedly connected with the base; the post insulators are fixedly installed on the connecting plates through bolts.
Furthermore, the hoop plate is provided with at least two stiffening plates; the stiffening plate is fixed on the hoop plate, and the two ends of the stiffening plate are fixed on the connecting lugs at the two ends of the hoop plate.
Furthermore, the insulator bottom plate is fixed with two reinforcing plates, the reinforcing plates are arranged on the other side of the insulator bottom plate connected with the post insulator, and the two reinforcing plates are vertically arranged.
The invention has the advantages that:
(1) the reliable direct connection between the double-loop cable terminal and the wire clamp of the wire equipment is realized, the bottleneck of the current-carrying capacity of the line in the selection of the wire diameter of the wire and the single-loop single-core and three-core cables is solved, and the matching capability in the selection of the wire and the cable is effectively improved;
(2) the connection between the double-loop cable terminal and the wire clamp of the wire equipment is effective and reliable, the hidden danger of the equipment is reduced, the electric energy loss caused by connection transmission is reduced, and the effect of reducing the wire loss rate is achieved;
(3) the structure is simple, the weight is light, the installation and the operation are easy, and the maintenance is convenient.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a front view of the insulator foot.
The reference numbers are recorded as follows: 1-hooping plate, 1.1-connecting lug, 2-stiffening plate, 3-U-shaped hoops, 4-connecting seat, 4.1-connecting plate, 5-insulator bottom plate, 5.1-reinforcing plate, 6-hooping group and 7-post insulator.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-3, a combination device for reliably connecting a double-circuit cable terminal and an equipment cable clamp comprises an anchor ear group 6 and a post insulator 7, wherein the post insulator 7 is fixedly arranged on the anchor ear group 6; the hoop group 6 comprises a hoop plate 1 and a U-shaped hoop 3; the hoop plate 1 is a multi-edge plate, and two ends of the hoop plate 1 are bent outwards to form connecting lugs 1.1; the connecting lug 1.1 is symmetrically provided with two pairs of mounting holes; the U-shaped hoops 3 are fixed on the hoop plates 1, two U-shaped hoops 3 are arranged, two ends of each U-shaped hoop 3 are respectively and fixedly arranged in the mounting holes of the connecting lugs 1.1 through fastening nuts, and one U-shaped hoop 3 is respectively arranged on each pair of mounting holes; the top surface of the hoop plate 1 is provided with a connecting seat 4, and one end of a post insulator 7 is fixedly arranged on the connecting seat 4; the connecting seat 4 comprises a base and a connecting plate 4.1; the base is fixedly arranged on the hoop plate 1; the connecting plate 4.1 is fixedly connected with the base; the post insulator 7 is fixedly arranged on the connecting plate 4.1 through a bolt; the other end of the post insulator 7 is fixedly mounted on the insulator bottom plate 5 through a bolt. Two reinforcing plates 5.1 are fixed on the insulator bottom plate 5, the reinforcing plates 5.1 are arranged on the other side of the insulator bottom plate 5 connected with the post insulator 7, and the two reinforcing plates 5.1 are vertically arranged. The hoop plate 1 is provided with at least two stiffening plates 2; the stiffening plate 2 is fixed on the hoop plate 1, and two ends of the stiffening plate 2 are fixed on the connecting lugs 1.1 at two ends of the hoop plate 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A combined device for reliably connecting a double-circuit cable terminal and an equipment cable clamp is characterized by comprising an anchor ear group and a post insulator, wherein the post insulator is fixedly arranged on the anchor ear group; the hoop group comprises a hoop plate and a U-shaped hoop; the hoop plate is a multi-edge plate, and two ends of the hoop plate are bent outwards to form connecting lugs; the connecting lugs are symmetrically provided with mounting holes; the U-shaped hoop is fixed on the hoop plate, and two ends of the U-shaped hoop are respectively and fixedly installed in the installation holes of the connecting lugs through fastening nuts; the top surface of the hoop plate is provided with a connecting seat, one end of the post insulator is fixedly installed on the connecting seat, and the other end of the post insulator is fixedly installed on the insulator bottom plate through a bolt.
2. The combination of claim 1, wherein the lugs are symmetrically provided with two pairs of mounting holes; the U-shaped anchor ear has two, installs a U-shaped anchor ear on every mounting hole respectively.
3. The combination of claim 2, wherein the connecting section includes a base and a web; the base is fixedly arranged on the hoop plate; the connecting plate is fixedly connected with the base; the post insulators are fixedly installed on the connecting plates through bolts.
4. The combination of claim 3, wherein the anchor ear plate has at least two stiffening plates; the stiffening plate is fixed on the hoop plate, and the two ends of the stiffening plate are fixed on the connecting lugs at the two ends of the hoop plate.
5. The combination of claim 4, wherein the insulator base plate has two reinforcing plates attached thereto, the reinforcing plates being disposed on the other side of the insulator base plate from the connection to the post insulator, the two reinforcing plates being disposed vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377936.5A CN111188525A (en) | 2019-12-27 | 2019-12-27 | Combined device for reliably connecting double-circuit cable terminal and equipment cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377936.5A CN111188525A (en) | 2019-12-27 | 2019-12-27 | Combined device for reliably connecting double-circuit cable terminal and equipment cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188525A true CN111188525A (en) | 2020-05-22 |
Family
ID=70705998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911377936.5A Pending CN111188525A (en) | 2019-12-27 | 2019-12-27 | Combined device for reliably connecting double-circuit cable terminal and equipment cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188525A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3201247A1 (en) * | 1982-01-16 | 1983-08-04 | Kronenberg Gmbh & Co Kg, 5653 Leichlingen | Strain fitting for double-insulator strings |
| CN104242208A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double-circuit cable terminal steel pipe pole for overhead transmission line |
| CN107154296A (en) * | 2016-03-02 | 2017-09-12 | 国网辽宁省电力有限公司鞍山供电公司 | The antifouling composite insulation cross arms of 10kV |
| CN107196264A (en) * | 2017-07-17 | 2017-09-22 | 江苏祥源电气设备有限公司 | A kind of 220kV cross arm insulators |
| CN107706871A (en) * | 2017-10-30 | 2018-02-16 | 江苏神马电力股份有限公司 | Overhead distribution |
-
2019
- 2019-12-27 CN CN201911377936.5A patent/CN111188525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3201247A1 (en) * | 1982-01-16 | 1983-08-04 | Kronenberg Gmbh & Co Kg, 5653 Leichlingen | Strain fitting for double-insulator strings |
| CN104242208A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double-circuit cable terminal steel pipe pole for overhead transmission line |
| CN107154296A (en) * | 2016-03-02 | 2017-09-12 | 国网辽宁省电力有限公司鞍山供电公司 | The antifouling composite insulation cross arms of 10kV |
| CN107196264A (en) * | 2017-07-17 | 2017-09-22 | 江苏祥源电气设备有限公司 | A kind of 220kV cross arm insulators |
| CN107706871A (en) * | 2017-10-30 | 2018-02-16 | 江苏神马电力股份有限公司 | Overhead distribution |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200522 |
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| RJ01 | Rejection of invention patent application after publication |