CN115224638A - Cable fixing device and method for long-distance power transmission - Google Patents
Cable fixing device and method for long-distance power transmission Download PDFInfo
- Publication number
- CN115224638A CN115224638A CN202210723283.7A CN202210723283A CN115224638A CN 115224638 A CN115224638 A CN 115224638A CN 202210723283 A CN202210723283 A CN 202210723283A CN 115224638 A CN115224638 A CN 115224638A
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- clamping plate
- cable
- plate
- power transmission
- fixing device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Classifications
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
- F16L3/1211—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing with a substantially-radial tightening or securing member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides a cable fixing device and a method for long-distance power transmission, belonging to the technical field of cable equipment, comprising a bottom plate, a buffer device and a clamping component, wherein the buffer device is arranged between the bottom plate and the clamping component; the buffer device comprises a fixed rod and a movable rod, the fixed rod is of a hollow structure, one end of the movable rod is located inside the fixed rod and can slide along the axis direction of the fixed rod, and the other end of the movable rod is rotatably connected with the clamping assembly. Through buffering the swing of cable, reduce fixing device to the shearing stress that the cable produced to reduce the wearing and tearing of cable.
Description
Technical Field
The disclosure belongs to the technical field of cable equipment, and particularly relates to a cable fixing device and method for long-distance power transmission.
Background
With the development of society and the improvement and improvement of science and technology, the life of people is gradually improved, the use of electric power is ubiquitous in the life of people, and most of the media for transferring electric power adopt cables. In our country, the main production area and the main consumption area of electric power do not overlap, and therefore, it is necessary to perform remote power transmission.
When power transmission is performed over a long distance, the cable is usually fixed to the tower by a fixing device. However, in northwest areas of China, due to local geographical reasons, windy weather is more, the cable is blown by wind, the cable swings under the influence of wind, due to the fact that the fixing device is in rigid connection with the cable, the fixing device can generate shearing stress on the swinging cable, after the cable is sheared by the fixing device for a long time, the insulating skin of the cable is abraded and even broken, the service life of the cable is shortened, and the use safety of the cable is even influenced.
Disclosure of Invention
Aiming at the defects or shortcomings in the prior art, the invention provides a cable fixing device and a method for long-distance power transmission.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
in a first aspect, embodiments of the present disclosure provide a cable fixing device and method for long-distance power transmission, including a base plate, a buffer device, and a clamping assembly, where the buffer device is disposed between the base plate and the clamping assembly;
the buffer device comprises a fixed rod and a movable rod, the fixed rod is of a hollow structure, one end of the movable rod is located inside the fixed rod and can slide along the axis direction of the fixed rod, and the other end of the movable rod is rotatably connected with the clamping assembly.
Furthermore, two limiting grooves are symmetrically arranged on the inner wall of the fixed rod, and two limiting blocks matched with the limiting grooves are symmetrically arranged at the end part of the movable rod positioned in the fixed rod.
Furthermore, a high-pressure spring is further arranged inside the fixed rod, one end of the high-pressure spring is connected with the end part of the movable rod, and the other end of the high-pressure spring is connected with the bottom of the fixed plate.
Further, the middle part of base is provided with T type spout, it is provided with T type slider to slide in the T type spout, the length of T type slider is less than the length of T type spout, the both ends of T type spout all are provided with high-pressure spring, high-pressure spring one end and the end connection of T type slider, one end and the end connection of T type spout.
Furthermore, the fixing rod is fixedly connected with the upper surface of the T-shaped sliding block.
Furthermore, clamping assembly includes punch holder, lower plate and fixing bolt, punch holder and lower plate are the semicircular steel sheet, and the punch holder sets up with the lower plate is relative.
Furthermore, one end of the upper clamping plate is hinged with one end of the lower clamping plate, and the ends, far away from the hinged point, of the upper clamping plate and the lower clamping plate are fixedly connected through fixing bolts.
Furthermore, two clamping pieces are arranged on the upper clamping plate and the lower clamping plate respectively, each clamping piece comprises a screw and a clamping plate, and the screws are in threaded connection with the upper clamping plate and the lower clamping plate and are arranged along the radial direction of the upper clamping plate or the lower clamping plate.
Further, the inboard of punch holder and lower plate all is provided with the holding tank, the holding tank is used for placing the grip block.
In a second aspect, embodiments of the present disclosure also provide a cable fixing method for long-distance power transmission,
firstly, the screw rods on the upper clamping plate and the lower clamping plate are rotated, the clamping plates are arranged in the accommodating grooves, then the upper clamping plate is opened, the cables are placed on the lower clamping plate, the upper clamping plate is closed, and the upper clamping plate and the lower clamping plate are fixedly connected through the fixing bolts.
The screw rods on the upper clamping plate and the lower clamping plate are rotated to enable the inner surface of the clamping plate to be in contact with the outer surface of the cable and support the cable, and the position of the cable on the upper clamping plate and the position of the cable on the lower clamping plate are adjusted through the screw rods to enable the cable to be located between the upper clamping plate and the lower clamping plate.
And finally, screwing the screw rod to fix the cable.
Compared with the prior art, the method has the following technical effects:
the buffer device is arranged between the clamping assembly and the bottom plate, so that when the cable swings under the influence of wind, the buffer device can buffer the cable in the vertical direction; through set up spout and slider on the bottom plate, when the cable receives the influence of wind to produce the swing, buffer can cushion the cable in the horizontal direction to fixing device has been reduced the influence to the cable.
Drawings
Fig. 1 is a schematic view of the overall structure of a cable fixing device according to an embodiment of the present disclosure;
wherein, 1, a bottom plate; 2. an upper splint; 3. a lower splint; 4. fixing the bolt; 5. a screw; 6. a clamping plate; 7. accommodating grooves; 8. fixing the rod; 9. a movable rod; 10. a limiting groove; 11. a limiting block; 12. a T-shaped slider; 13. a T-shaped chute; 14. a connecting plate.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the disclosure expressly states otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this disclosure, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not define the structure, but merely facilitate description of the disclosure and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the disclosure.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in this disclosure are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present disclosure can be understood by those skilled in the art according to specific situations.
Example 1
An exemplary embodiment of the present disclosure, as shown in fig. 1, provides a cable fixing device for long-distance power transmission, including a base plate 1, a buffer device and a clamping assembly, the buffer device being disposed between the base plate 1 and the clamping assembly. Clamping assembly includes punch holder 2, lower plate 3 and fixing bolt 4, punch holder 2 and lower plate 3 are semi-circular steel sheet, and punch holder 2 sets up with lower plate 3 relatively, makes to form the round hole that can hold the cable between the upper and lower plate, and the one end of punch holder 2 articulates in the one end of lower plate 3, and the one end of keeping away from its pin joint of punch holder 2 and lower plate 3 is passed through fixing bolt 4 and is connected fixedly.
The clamping device is characterized in that two clamping pieces are arranged on the upper clamping plate 2 and the lower clamping plate 3, the center lines of the upper clamping plate and the lower clamping plate are symmetrically arranged, each clamping piece comprises a screw rod 5 and a clamping plate 6, and the screw rods 5 are in threaded connection with the upper clamping plate 2 or the lower clamping plate 3 and are arranged along the radial direction of the upper clamping plate 2 or the lower clamping plate 3.
The utility model discloses a cable fixing device, including clamping plate 6, screw rod 5, clamping plate 6, the radian of clamping plate is the arc, and the radian of clamping plate is the same with the radian of punch holder and lower plate, and clamping plate 6 is located the inboard of punch holder 2 or lower plate 3, the tip of screw rod 5 is rotated with clamping plate 6 and is connected, and screw rod 5 can promote clamping plate 6 and remove towards the center of punch holder 2 or lower plate 3, and the inboard of clamping plate 6 is laminated with the outside of cable, is convenient for press from both sides the cable tightly between four clamping plate 6, conveniently fixes multiple not unidimensional cable, improves the fixed stability of cable. The inner side of the clamping plate 6 is fixed with a rubber layer to prevent the fixing device from damaging the insulating outer layer of the cable during clamping.
The inboard of punch holder 2 and lower plate 3 all is provided with holding tank 7, holding tank 7 is used for placing pinch-off blades 6, before fixed cable, rotates screw rod 5 earlier and drives pinch-off blades 6 and arrange holding tank 7 in, avoids pinch-off blades 6 and cable collision to influence the fixing of punch holder, lower plate.
Buffer includes dead lever 8 and movable rod 9, the inside of dead lever 8 is hollow structure, through-hole that movable rod 9 passed the setting at dead lever 8 top extends to inside the dead lever 8, the symmetry is provided with two spacing grooves 10 on the inner wall of dead lever 8, and the movable rod 9 tip symmetry that is located dead lever 8 inside is provided with two stopper 11 with spacing groove 10 looks adaptation, makes movable rod 9 can slide along the axis direction of dead lever 8, and does not take place to rotate. The inside of dead lever 8 still is provided with high-pressure spring, high-pressure spring one end is connected and is linked to each other with the tip of movable rod 9, and the other end links to each other with the bottom of fixed plate 8, high-pressure spring provides the resistance for the slip of movable rod 9. The arrangement of the buffer device can buffer the swinging cable in the vertical direction, and the shearing force of the fixing device to the cable in the vertical direction is reduced.
The middle part of base 1 is provided with T type spout 13, it is provided with T type slider 12 to slide in T type spout 13, the length of T type slider 12 is less than T type spout 13's length, makes T type slider 12 can slide along T type spout 13 length direction, the both ends of T type spout 13 all are provided with high-pressure spring, high-pressure spring one end and T type slider 12's end connection, one end and T type spout 13's end connection, high-pressure spring provides the resistance for T type slider 12's slip. The T-shaped sliding groove and the T-shaped sliding block are arranged to buffer the swinging cable in the horizontal direction, so that the shearing force of the fixing device to the cable in the horizontal direction is reduced.
The buffering subassembly sets up between clamping component and bottom plate 1, the one end that the dead lever was kept away from to movable rod 9 rotates with the lower surface 3 of lower plate to be connected, the one end that the movable rod was kept away from to dead lever 8 is connected with the last fixed surface of T type slider 12. The movable rod is connected with the clamping assembly in a rotating mode, so that the small-range rotation of the fixing device can be achieved, and the shearing force of the fixing device to the cable is further reduced.
The lower surface of bottom plate 1 is fixedly connected with connecting plate 14, the four corners of connecting plate 14 all is provided with the bolt hole, can install fixing device on the electricity tower through the bolt hole.
Example 2
This example provides a method of fixing a cable for long-distance power transmission using the cable fixing device as described in example 1.
The method comprises the following steps:
firstly, the screw rods on the upper clamping plate and the lower clamping plate are rotated, the clamping plates are arranged in the accommodating groove, then the upper clamping plate is opened, the cable is placed on the lower clamping plate, the upper clamping plate is closed, and the upper clamping plate and the lower clamping plate are fixedly connected through the fixing bolt.
The screw rods on the upper clamping plate and the lower clamping plate are rotated to enable the inner surface of the clamping plate to be in contact with the outer surface of the cable and support the cable, and the position of the cable on the upper clamping plate and the position of the cable on the lower clamping plate are adjusted through the screw rods to enable the cable to be located between the upper clamping plate and the lower clamping plate.
And finally, screwing the screw rod to fix the cable.
When the cable receives the influence of wind to produce the swing, buffer can cushion the cable in vertical direction, and slider and the spout on the bottom plate can cushion the cable in the horizontal direction to reduce fixing device and to the shearing stress of cable, reduce the wearing and tearing of fixing device to the cable.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A cable fixing device for long-distance power transmission is characterized by comprising a bottom plate, a buffering device and a clamping assembly, wherein the buffering device is arranged between the bottom plate and the clamping assembly;
the buffer device comprises a fixed rod and a movable rod, the fixed rod is of a hollow structure, one end of the movable rod is located inside the fixed rod and can slide along the axis direction of the fixed rod, and the other end of the movable rod is rotatably connected with the clamping assembly.
2. A cable fixing device for long-distance power transmission as claimed in claim 1, wherein the inner wall of the fixing rod is symmetrically provided with two limiting grooves, and the end of the movable rod inside the fixing rod is symmetrically provided with two limiting blocks matched with the limiting grooves.
3. A cable fixing apparatus for long distance power transmission according to claim 1, wherein a high voltage spring is further provided inside the fixed rod, and one end of the high voltage spring is connected to the end of the movable rod, and the other end is connected to the bottom of the fixed plate.
4. A cable fixing device for long-distance power transmission according to claim 1, wherein a T-shaped sliding groove is formed in the middle of the base, a T-shaped sliding block is slidably arranged in the T-shaped sliding groove, the length of the T-shaped sliding block is smaller than that of the T-shaped sliding groove, a high-voltage spring is arranged at each of two ends of the T-shaped sliding groove, one end of each high-voltage spring is connected with the end of the T-shaped sliding block, and the other end of each high-voltage spring is connected with the end of the T-shaped sliding groove.
5. A cable fixing device for long-distance power transmission according to claim 4, wherein the end of the movable rod far from the fixed rod is rotatably connected with the lower surface of the lower clamping plate, and the end of the fixed rod far from the movable rod is fixedly connected with the upper surface of the T-shaped sliding block.
6. A cable fixing device for long distance power transmission according to claim 1, wherein said clamping assembly comprises an upper clamping plate, a lower clamping plate and a fixing bolt, said upper clamping plate and said lower clamping plate are made of semicircular steel plates, and said upper clamping plate is arranged opposite to said lower clamping plate.
7. A cable fixing device for long distance power transmission according to claim 6, wherein one end of the upper plate is hinged to one end of the lower plate, and the ends of the upper plate and the lower plate far from the hinged point are fixed by fixing bolts.
8. A cable fixing device for long-distance power transmission according to claim 6, wherein two clamping members are provided on each of the upper and lower clamping plates, and the clamping members include a screw and a clamping plate, and the screw is threadedly coupled to the upper or lower clamping plate and is provided in a radial direction of the upper or lower clamping plate.
9. A cable fixing device for long distance power transmission according to claim 6, wherein the inner sides of the upper and lower clamping plates are provided with receiving grooves for receiving the clamping plates.
10. A method of cable fixation for long distance transmission using a cable fixation device according to claims 1-9, characterized by the steps of:
firstly, rotating screws on an upper clamping plate and a lower clamping plate, placing the clamping plates in an accommodating groove, then opening the upper clamping plate, placing a cable on the lower clamping plate, closing the upper clamping plate, and connecting and fixing the upper clamping plate and the lower clamping plate through a fixing bolt;
rotating the screw rods on the upper clamping plate and the lower clamping plate to enable the inner surface of the clamping plate to be in contact with the outer surface of the cable and support the cable, and adjusting the position of the cable on the upper clamping plate and the position of the cable on the lower clamping plate through the screw rods to enable the cable to be located between the upper clamping plate and the lower clamping plate;
and finally, screwing the screw rod to fix the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723283.7A CN115224638A (en) | 2022-06-24 | 2022-06-24 | Cable fixing device and method for long-distance power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723283.7A CN115224638A (en) | 2022-06-24 | 2022-06-24 | Cable fixing device and method for long-distance power transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115224638A true CN115224638A (en) | 2022-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210723283.7A Pending CN115224638A (en) | 2022-06-24 | 2022-06-24 | Cable fixing device and method for long-distance power transmission |
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| CN (1) | CN115224638A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780442A (en) * | 2023-05-25 | 2023-09-19 | 国网山东省电力公司泗水县供电公司 | Cable fixing device |
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| CN116780442A (en) * | 2023-05-25 | 2023-09-19 | 国网山东省电力公司泗水县供电公司 | Cable fixing device |
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