CN112510620A - Installation fixing device suitable for overhead power cable - Google Patents
Installation fixing device suitable for overhead power cable Download PDFInfo
- Publication number
- CN112510620A CN112510620A CN202011371027.3A CN202011371027A CN112510620A CN 112510620 A CN112510620 A CN 112510620A CN 202011371027 A CN202011371027 A CN 202011371027A CN 112510620 A CN112510620 A CN 112510620A
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- Prior art keywords
- cable
- groove
- overhead power
- connecting part
- fixing
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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
- H02G7/00—Overhead installations of electric lines or cables
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses an installation fixing device suitable for an overhead power cable, which comprises a connecting wire clamp, a cable hook and a hoop; the connecting wire clamp comprises two clamp plates which are oppositely arranged, two parallel transverse wire grooves are respectively arranged on the side surface of each clamp plate facing to the other clamp plate, and the transverse wire grooves on the two clamp plates, which are close to the tops of the clamp plates, are combined for fixing steel strands; the cable hook comprises a connecting part and a groove, the bottom of the connecting part extends and bends into an arc-shaped groove, a connecting cylinder parallel to the steel strand is arranged at the top of the connecting part, and transverse wire grooves far away from the tops of the clamping plates on the two clamping plates are combined for fixedly connecting the cylinders; a lower mounting hole is formed in the side face, close to the connecting part, of the groove, and a lower mounting groove is formed in the side face, far away from the connecting part, of the groove; during the use, the staple bolt passes mounting hole and lower mounting groove down, and staple bolt and slot are fixed power cable in the slot. The invention improves the stability of the power cable and avoids the cable from being damaged due to the shaking of the cable.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to an installation and fixing device suitable for an overhead power cable.
Background
At present, the application of power cables in power grid systems is widely applied. The laying method of the cable is usually implemented by various modes such as direct burial, cable trench laying, cable tunnel laying, wall laying and the like, and the overhead laying mode is also commonly applied to the power distribution network. A common method is to arrange steel strands between poles or other firm members, and then bind the power cable to the steel strands using BV wires, copper wires, aluminum wires, and the like. By adopting the method for fixing the power cable, the cable cannot be effectively fixed, the cable is only suspended on the steel strand, and the cable is easy to shake in windy weather, so that the cable is inevitably damaged after long-term use. Meanwhile, the installation quality of the method is partially determined by the skill level of construction operators, and in reality, the phenomenon that the cable falls off and slides after running soon often occurs. Difficulty is increased to later-period operation and maintenance, and safe and stable operation of the cable is influenced.
The invention aims to provide an installation and fixation device for overhead cable laying, which effectively solves the problem of poor fixation of overhead cables, improves the running environment of the cables, prolongs the service life and ensures the safety of a power grid.
Disclosure of Invention
The invention aims to solve the technical problems that an overhead power cable cannot be effectively fixed and is easy to shake, fall off and slide, and aims to provide an installation and fixing device suitable for the overhead power cable and solve the problem of poor fixation of the overhead power cable.
The invention is realized by the following technical scheme:
a mounting and fixing device suitable for an overhead power cable comprises a connecting wire clamp, a cable hook and a hoop; the connecting wire clamp comprises two clamp plates which are oppositely arranged, two parallel transverse wire grooves are respectively arranged on the side surface of each clamp plate facing to the other clamp plate, the transverse wire grooves on the two clamp plates, which are close to the tops of the clamp plates, are combined for fixing steel strands, and the two clamp plates are fixedly connected through a first fastener; the cable hook comprises a connecting part and a groove, the bottom of the connecting part extends and bends into an arc-shaped groove, a connecting cylinder parallel to the steel strand is arranged at the top of the connecting part, an upper mounting hole is formed between the connecting cylinder and the connecting part, and transverse wire grooves on the two clamping plates, which are far away from the tops of the clamping plates, are combined for fixing the connecting cylinder; a lower mounting hole is formed in the side face, close to the connecting part, of the groove, and a lower mounting groove is formed in the side face, far away from the connecting part, of the groove; the bottom of slot is provided with the fixed yoke plate perpendicular with power cable, and during the use, the staple bolt passes down the mounting hole with lower mounting groove, the staple bolt with power cable is fixed to the slot in.
The overhead laying mode of the power cable is generally applied to a power distribution network, and a common method is to arrange steel strands between electric poles or other firm components and then bind the power cable on the steel strands by using BV wires, copper wires, aluminum wires and the like. By adopting the method for fixing the power cable, the cable cannot be effectively fixed, the cable is only suspended on the steel strand, and the cable is easy to shake in windy weather, so that the cable is inevitably damaged after long-term use. The invention designs a cable hook, the upper part of the cable hook is fixed with a steel strand through a connecting wire clamp, a groove below the cable hook is used for placing a power cable, and then the power cable is fixed in the groove of the cable hook by using an anchor ear. The invention effectively fixes the power cable on the steel strand to prevent the power cable from shaking, sliding and falling off.
Furthermore, two ends of the fixed yoke plate are provided with second fixing holes; and first fixing holes are formed in two ends of the hoop, and a second fastener penetrates through the first fixing holes and the second fixing holes to fix the power cable.
Further, the second fastening piece is a fixing screw rod.
Furthermore, the lower mounting hole and the lower mounting groove are oppositely arranged and matched in size.
Further, the first fastener is a fastening screw.
Furthermore, the inner bottom surface of the groove is semicircular.
Further, the connecting cylinder and the cable hook are integrally formed.
Further, the cable hook and the fixing yoke plate are integrally formed.
Furthermore, the mounting and fixing device is made of malleable cast iron or steel and is subjected to hot galvanizing.
Furthermore, the transverse wire grooves are transverse arc-shaped wire grooves.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the installation fixing device can firmly fix the power cable on the steel strand without loosening, improves the stability of the cable and avoids damaging the cable due to shaking. Meanwhile, the device can lay the whole cable, and has uniform standard, beautiful whole and longer fixing time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is an oblique view of the present invention;
fig. 2 is a side view of the present invention.
Reference numbers and corresponding part names in the drawings:
1-connecting wire clamp, 101-first fastener, 2-cable hook, 201-connecting cylinder, 202-upper mounting hole, 203-lower mounting hole, 204-fixing yoke plate, 205-second fastener, 3-hoop, 4-steel strand and 5-power cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
The embodiment is a mounting and fixing device suitable for an overhead power cable, as shown in fig. 1 and 2, and comprises a connecting clamp 1, a cable hook 2 and an anchor ear 3; the connecting wire clamp 1 comprises two oppositely arranged clamping plates, two parallel transverse wire grooves are respectively arranged on the side surface of each clamping plate facing to the other clamping plate, the transverse wire grooves on the two clamping plates, which are close to the tops of the clamping plates, are combined for fixing the steel strands 4, and the two clamping plates are fixedly connected through a first fastener 101; the cable hook 2 comprises a connecting part and a groove, the bottom of the connecting part extends and bends into the arc-shaped groove, the top of the connecting part is provided with a connecting cylinder 201 parallel to the steel strand 4, an upper mounting hole 202 is formed between the connecting cylinder 201 and the connecting part, and transverse wire grooves far away from the tops of the clamping plates on the two clamping plates are combined to be used for fixedly connecting the cylinder 201; a lower mounting hole 203 is formed in the side face, close to the connecting part, of the groove, and a lower mounting groove is formed in the side face, far away from the connecting part, of the groove; the bottom of slot is provided with the fixed yoke plate 204 perpendicular with power cable 5, and during the use, staple bolt 3 passes mounting hole 203 and lower mounting groove down, and staple bolt 3 and slot are fixed power cable 5 in the slot.
Two ends of the fixed yoke plate 204 are provided with second fixing holes; the two ends of the hoop 3 are provided with first fixing holes, and the second fastening piece 205 passes through the first fixing holes and the second fixing holes to fix the power cable 5. The second fastener 205 is a set screw. The lower mounting hole 203 is opposite to the lower mounting groove and is matched with the lower mounting groove in size. The first fastening member 101 is a fastening screw. The inner bottom surface of the groove is semicircular. The connecting cylinder 201 is integrally formed with the cable hook 2. The cable hook 2 is integrally formed with the fixed yoke plate 204.
All the parts of the installation fixing device of the embodiment are made of malleable cast iron or steel and are all hot galvanized.
The transverse wire grooves are transverse arc wire grooves. The circle of the combination of the two arc-shaped wire slots on the upper part and the circle of the combination of the two arc-shaped wire slots on the lower part can be the same diameter or different diameters according to the requirements of actual conditions.
The transverse wire grooves for fixing the steel strands 4 and the cable hooks 2 are symmetrically arranged, the cable hooks are made of iron or steel and are in a hook type and comprise 5 parts including connecting cylinders 201, upper mounting holes 202, lower mounting holes 203, fixing connection plates 204 and fixing screws 205, and the inner bottoms of the cable hooks are semicircular and are used for placing power cables 5;
the connecting cylinder 201 is cylindrical and is connected with the cable hook 2 into a whole in a welding or integrated forming mode;
the upper mounting hole 202 is a mounting hole at the upper end of the cable hook 2 so as to facilitate the mounting of the connecting cable clamp 1;
the lower mounting hole 203 is a mounting hole at the lower end of the cable hook 2 so as to facilitate the installation of the hoop 3;
the fixed connection plates 204 are positioned at two sides of the lower part of the cable hook 2, are symmetrically arranged, are positioned below the lower mounting hole 203 and are lower than the lower mounting hole 203; each screw hole is matched with the hoop 3 for use and used for fixing the power cable;
the middle of the hoop is arc-shaped, two ends of the hoop are respectively provided with a horizontal connecting plate, and each horizontal connecting plate is provided with a screw hole; the fixing device is used for being matched with the cable hook 2 and the fixing yoke plate 204 for use and fixing the power cable 5; when the cable hook is used, the hoop 3 is connected with the fixed yoke plate 204 through the fixing screw 205, and the power cable 5 is tightly fixed in a space formed by the semicircular groove at the lower part of the cable hook 2 and the hoop 3.
And the steel strand 4 is arranged between the electric poles or other firm parts and is used for fixedly mounting the overhead power cable mounting and fixing device so as to realize overhead laying of the power cable 5.
The use method of the overhead power cable installation and fixation device comprises the following steps:
1. installing and connecting wire clamp 1: connecting the connecting cylinder 201 with the steel strand 4 by using the connecting clamp 1 through the position of the upper mounting opening 202, placing the steel strand 4 in an upper mounting groove of the connecting clamp 1 (a transverse wire groove close to the top of the clamping plate on the two clamping plates is combined to form the upper mounting groove), and placing the connecting cylinder 201 in a lower mounting groove of the connecting clamp 1 (a transverse wire groove far away from the top of the clamping plate on the two clamping plates is combined to form the lower mounting groove); and then the fastening screw 101 is screwed down to firmly connect the cable hook 2 with the steel strand 4.
2. Laying a power cable 5: the operator lifts the power cable 5 into the semicircular groove at the lower part of the cable hook 2 manually or mechanically, and adjusts the cable to keep the cable straight.
3. Installing a hoop 3: the anchor ear 3 is flatly buckled on the power cable 5 after penetrating through the lower mounting hole 203, the fixing screw 205 sequentially penetrates through the anchor ear 3 and screw holes on the fixing yoke plate 204, and the fixing screw 205 is screwed tightly; and (5) finishing the installation.
By using the overhead power cable mounting and fixing device, the power cable can be firmly fixed on the steel strand without loosening, the stability of the cable is improved, and the cable is prevented from being damaged due to shaking. Meanwhile, the fixing device can lay the whole cable, so that the standard is uniform, and the whole cable is attractive; the fixation time is longer.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The mounting and fixing device suitable for the overhead power cable is characterized by comprising a connecting wire clamp (1), a cable hook (2) and a hoop (3);
the connecting wire clamp (1) comprises two oppositely arranged clamping plates, two parallel transverse wire grooves are respectively arranged on the side surface of each clamping plate facing to the other clamping plate, the transverse wire grooves on the two clamping plates, which are close to the tops of the clamping plates, are combined for fixing the steel strands (4), and the two clamping plates are fixedly connected through a first fastener (101);
the cable hook (2) comprises a connecting part and a groove, the bottom of the connecting part extends and bends to form the arc-shaped groove, a connecting cylinder (201) parallel to the steel strand (4) is arranged at the top of the connecting part, an upper mounting hole (202) is formed between the connecting cylinder (201) and the connecting part, and a transverse wire groove combination on the two clamping plates, which is far away from the tops of the clamping plates, is used for fixing the connecting cylinder (201);
a lower mounting hole (203) is formed in the side face, close to the connecting part, of the groove, and a lower mounting groove is formed in the side face, far away from the connecting part, of the groove;
the bottom of the groove is provided with a fixed yoke plate (204) vertical to the power cable (5),
when the cable fixing device is used, the hoop (3) penetrates through the lower mounting hole (203) and the lower mounting groove, and the power cable (5) is fixed in the groove through the hoop (3) and the groove.
2. The mounting fixture for overhead power cables as claimed in claim 1, wherein the fixing yoke plate (204) is provided with second fixing holes at both ends; and first fixing holes are formed in two ends of the hoop (3), and a second fastener (205) penetrates through the first fixing holes and the second fixing holes to fix the power cable (5).
3. The mounting fixture for overhead power cables of claim 2, wherein the second fastener (205) is a set screw.
4. The mounting fixture for overhead power cables of claim 1, wherein the lower mounting hole (203) is opposite to the lower mounting groove and is matched in size.
5. The mounting fixture for overhead power cables according to claim 1, characterized in that the first fastening member (101) is a fastening screw.
6. The mounting fixture for overhead power cables of claim 1, wherein the bottom surface of the channel is semi-circular.
7. Installation fixture for overhead power cables, according to claim 1, characterized in that said connecting cylinder (201) is integral with said cable hook (2).
8. Installation fixture for overhead power cables, according to claim 1, characterized in that the cable hook (2) is integrally formed with the fixed yoke plate (204).
9. The mounting fixture for overhead power cables of claim 1, wherein the mounting fixture is made of malleable cast iron or steel and is hot-galvanized.
10. The mounting fixture for overhead power cables of claim 1, wherein the transverse trunking is a transverse arcuate trunking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011371027.3A CN112510620B (en) | 2020-11-30 | 2020-11-30 | Installation fixing device suitable for built on stilts power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011371027.3A CN112510620B (en) | 2020-11-30 | 2020-11-30 | Installation fixing device suitable for built on stilts power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112510620A true CN112510620A (en) | 2021-03-16 |
| CN112510620B CN112510620B (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011371027.3A Active CN112510620B (en) | 2020-11-30 | 2020-11-30 | Installation fixing device suitable for built on stilts power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112510620B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2899438A1 (en) * | 2014-01-27 | 2015-07-29 | Industrispar Svenska AB | Cable mounting device |
| CN208069463U (en) * | 2018-02-07 | 2018-11-09 | 中铁第四勘察设计院集团有限公司 | Reversely hung Yong Horizontal messenger wire clamp support construction |
| CN208142787U (en) * | 2018-05-17 | 2018-11-23 | 国运电缆（天津）有限公司 | Aluminium alloy aerial insulated cable fixes device |
| US20190379187A1 (en) * | 2018-06-08 | 2019-12-12 | Panduit Corp. | Cable Cleat Assembly |
| CN209962755U (en) * | 2019-05-14 | 2020-01-17 | 西部电缆股份有限公司 | Power cable with hoisting connection structure |
-
2020
- 2020-11-30 CN CN202011371027.3A patent/CN112510620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2899438A1 (en) * | 2014-01-27 | 2015-07-29 | Industrispar Svenska AB | Cable mounting device |
| CN208069463U (en) * | 2018-02-07 | 2018-11-09 | 中铁第四勘察设计院集团有限公司 | Reversely hung Yong Horizontal messenger wire clamp support construction |
| CN208142787U (en) * | 2018-05-17 | 2018-11-23 | 国运电缆（天津）有限公司 | Aluminium alloy aerial insulated cable fixes device |
| US20190379187A1 (en) * | 2018-06-08 | 2019-12-12 | Panduit Corp. | Cable Cleat Assembly |
| CN209962755U (en) * | 2019-05-14 | 2020-01-17 | 西部电缆股份有限公司 | Power cable with hoisting connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112510620B (en) | 2022-06-03 |
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