CN113964770A - Self-reset damper capable of preventing running slippage and resetting method thereof - Google Patents
Self-reset damper capable of preventing running slippage and resetting method thereof Download PDFInfo
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- CN113964770A CN113964770A CN202111340251.0A CN202111340251A CN113964770A CN 113964770 A CN113964770 A CN 113964770A CN 202111340251 A CN202111340251 A CN 202111340251A CN 113964770 A CN113964770 A CN 113964770A
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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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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Abstract
The invention discloses a self-resetting anti-vibration hammer preventing running slippage and a resetting method thereof, belongs to the technical field of anti-vibration hammers, and solves the problem that a sliding wire clamp cannot be effectively and automatically restored to an original position. The inserted bar is inserted into the hinged cable, the cable clamp drives the inserted bar to move along the cable after the cable slides along the cable, so that the change of the hinged tightness of the two sides of the cable is caused, the hinged tightness is increased to push the side ring body to move, the cable clamp is enabled to automatically reset, and the process prevents the stranded wire from directly extruding the cable clamp.
Description
Technical Field
The invention relates to the technical field of damper, in particular to a self-resetting damper capable of preventing running slippage and a resetting method thereof.
Background
On a high-voltage overhead line, a small hammer is usually hung on a wire close to two sides of an insulator, and the small hammer is called a damper and is arranged for reducing the vibration of the wire due to wind power. The high-voltage overhead line has high pole position and large span, and can vibrate when the wire is acted by wind. The working conditions at the wire suspension are most unfavourable when the wire vibrates. Due to multiple vibrations, fatigue failure of the wire may occur due to periodic bending. When the span of the overhead line is more than 120 meters, a damper is generally adopted to prevent vibration.
Patent No. CN201610384106.5 discloses an antiskid damper with wide application range, which comprises a damper group, a wire clamp plate and a first locking threaded rod, wherein a wire groove is arranged in the wire clamp plate, a rubber protective layer is arranged on the inner wall of the wire groove, an auxiliary groove is arranged at the upper end of the wire groove, a threaded hole is reserved on the wire clamp plate, the front end of the first locking threaded rod is inserted into the threaded hole and positioned in the wire clamp plate, the damper group is provided with an upper damper group and a lower damper group, and connecting blocks are connected through a second locking threaded rod, when the two ends of the damper are firmly installed on a circuit, the circuit positioned in the damper can be twisted through the first locking threaded rod, so that the friction force is enhanced, the connection between the damper and the circuit is strengthened, the damper is not easy to slide, and the upper damper group and the lower damper group can be arranged according to different circuit requirements, the weight of the damper is changed, and the damper has wider market prospect.
Patent No. CN201710633324.2 discloses a complete-wrapping anti-slip pre-twisted damper. This wrap anti-skidding type preformed helical damper entirely includes: the device comprises preformed armor rods wound on a lead, a wire clamp mechanism connected with the lead, and a steel strand with hammers at two ends; the wire clamp mechanism comprises a clamping part for holding the wire, a fixing part for arranging the steel strand and a connecting part for connecting the clamping part and the fixing part. The damper is fixed on the wire through the wire clamp mechanism, the clamping part of the wire clamp mechanism is provided with the all-wrapped preformed armor rod, so that the sliding of the damper on the wire is limited, and the damper is prevented from rotating and sliding along the wire direction or the preformed armor rod twisting direction in the long-term use process or under the action of strong vibration. However, the above patents all have the following problems: the sliding wire clamp cannot be effectively and automatically restored to the original position; and articulated cable direct extrusion fastener easily causes the fastener to damage, and the fastener itself is low to the clamping-force of cable, leads to its cable slip along the line easily.
Disclosure of Invention
The invention aims to provide a self-resetting anti-vibration hammer capable of preventing operation slippage and a resetting method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent to move damper that restores to throne from, includes fastener, cable wire, left tup and right tup, fastener lower extreme fixed connection is to the cable wire that extends to both sides, the left end of cable wire is provided with left tup, and the right-hand member of cable wire is provided with right tup, the upper end of fastener is provided with the penetrating line hole in both ends, the A end interface has been seted up on the inner wall in line hole, and is provided with from the resetting means in the line hole.
Further, the fastener includes fastener main part, bolt and half side ear, the lower extreme through connection of fastener main part has the cable wire, and the middle part of fastener main part has half side ear through the bolt spiro union, the upper end of half side ear and the upper end of fastener main part all seted up towards one side open-ended wire casing, and two wire casings coincide each other and constitute the line hole.
Furthermore, the self-resetting device comprises a middle shaft assembly, inserting rods, a middle ring assembly, a left side ring assembly and a right side ring assembly, wherein the middle shaft assembly is formed by mutually and rotatably connecting three sections of rod bodies, a B-end inserting port which is distributed in an annular mode is formed in the rod body in the middle of the middle shaft assembly, the inserting rods are inserted between the B-end inserting port and the A-end inserting port, the middle of each inserting rod penetrates through the middle shaft assembly, the left side ring assembly is arranged on the left side of the middle shaft assembly, the right side ring assembly is arranged on the right side of the middle shaft assembly, and a plurality of cables sequentially penetrate through gaps between the two inserting rods and then cross the left side ring assembly or the right side ring assembly and are hinged with each other.
Furthermore, the outer wall of the rod body at the two ends of the middle shaft assembly is provided with a spiral slide rail, and the two ends of the middle shaft assembly are conical.
Furthermore, the middle ring assembly comprises an annular inner sheet and an annular outer sheet, and the annular inner sheet and the annular outer sheet are overlapped in a staggered mode end to form an annular structure.
Furthermore, the annular inner piece comprises an inner piece main body and a side edge, through holes are formed in the inner piece main body and the side edge, the through holes in the inner piece main body are used for penetrating through the inserted rods, and the through holes in the side edge are used for connecting the left side ring assembly.
Further, the annular outer piece comprises an outer piece main body, side lugs and an arc-shaped slide way, the side lugs are welded at one side edge of the outer piece main body, the arc-shaped slide way is formed in the side lugs, the arc-shaped slide way is connected with a right side ring assembly in a sliding mode, a through hole is formed in each side lug, and the through hole is used for penetrating through the inserted link.
Further, the structure of the leftward side ring assembly is consistent with that of the rightward side ring assembly, the leftward side ring assembly and the rightward side ring assembly both comprise side ring bodies, slide rods and telescopic rods, the slide rods are integrally formed on the inner walls of the side ring bodies, the slide rods slide along the spiral slide rails, the telescopic rods are fixedly connected to the inner side end faces of the side ring bodies, the telescopic rods on the leftward side ring assemblies are connected with through holes on the side edges in a screwed mode, and the telescopic rods on the rightward side ring assemblies are connected with arc-shaped slide ways in a sliding mode.
Furthermore, the telescopic rod is composed of a rod body and a pipe body which is sleeved on the rod body in a sliding mode.
According to another aspect of the present invention, there is provided a reset method of a self-resetting vibration damper for preventing running slip, comprising the steps of:
s101: the wind power drives the cable to shake, so that the damper swings, the wire clamp of the damper slides along the cable together with the inserted rods fixed at the two ends, and the inserted rods slide rightwards;
s102: the middle ring assembly synchronously moves rightwards and expands outwards in the process that the inserted rod slides rightwards, so that the hinging force of a power line hinged to the right side of the middle ring assembly is increased;
s103: the hinging force of the power line hinged at the left side of the middle ring component is reduced, and the increased hinging force at the right side pushes the side ring body of the right side ring component to move leftwards along the spiral sliding rail;
s104: the telescopic rod is driven to slide along the arc-shaped slide way in the sliding process, the middle ring assembly is pushed to be locked, the diameter of an annular structure formed by the middle ring assembly is reduced, and the automatic resetting of the automatic sliding damper under the action of wind power swinging is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a self-resetting damper for preventing running slippage and a resetting method thereof.A plug rod is inserted into a hinged cable, a wire clamp drives the plug rod to move along the cable after sliding along the cable, so that the hinge tightness of two sides of the cable is changed, the hinge tightness is increased to push a side ring body to move, the wire clamp is automatically reset, and the twisted wire is prevented from directly extruding the wire clamp in the process;
2. the invention provides a self-resetting damper for preventing running slippage and a resetting method thereof.A middle ring assembly with variable diameter is arranged to surround the outside of a cable, a linkage mode is adopted, when a side ring body moves, the side ring body rotates along a spiral slide rail to further drive a plug rod to rotate, the balance of hinging forces on two sides of the cable is further restored, meanwhile, when the side ring body rotates, a telescopic rod slides along an arc slide rail to further drive the diameter of the middle ring assembly to be reduced, the middle ring assembly is restored to wind and lock the cable, the tightness between a cable clamp and the cable is improved, and the connection tightness is improved.
Drawings
FIG. 1 is an overall structural view of a self-resetting damper for preventing running slip according to the present invention;
FIG. 2 is a connection diagram of the self-resetting device of the self-resetting damper for preventing running slippage according to the present invention;
FIG. 3 is a diagram of a clamp configuration for the self-resetting damper of the present invention to prevent slippage during operation;
FIG. 4 is a self-resetting device and cable diagram of the self-resetting damper of the present invention for preventing slippage during operation;
FIG. 5 is a self-resetting device structure view of the self-resetting damper for preventing running slip according to the present invention;
FIG. 6 is a structural view of a bottom bracket assembly of the self-resetting vibration damper for preventing operational slippage according to the present invention;
FIG. 7 is a structural view of a center ring assembly of the self-resetting vibration damper for preventing running slip according to the present invention;
FIG. 8 is a structural view of the right hand side ring assembly of the self-resetting anti-rattle hammer of the present invention for preventing running slips;
fig. 9 is a flow chart of a resetting method of the self-resetting damper for preventing running slip according to the present invention.
In the figure: 1. wire clamps; 11. a wire clamp main body; 12. a bolt; 13. a half lateral ear; 2. a steel cord; 3. a left hammer head; 4. a right hammer head; 5. a wire hole; 51. an A-end socket; 6. a self-resetting device; 61. a bottom bracket assembly; 62. inserting a rod; 63. a middle ring assembly; 64. a left hand side ring assembly; 65. a right hand side ring assembly; 651. a side ring body; 652. a slide bar; 653. a telescopic rod; 66. a B-end socket; 67. a helical slide rail; 68. an annular inner sheet; 681. an inner sheet main body; 682. a side edge; 69. an annular outer sheet; 691. an outer sheet main body; 692. a lateral ear; 693. an arc-shaped slideway.
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.
Referring to fig. 1 to 2, a self-resetting damper for preventing operation slippage comprises a wire clamp 1, a steel cable 2, a left hammer 3 and a right hammer 4, wherein the lower end of the wire clamp 1 is fixedly connected with the steel cable 2 extending towards two sides, the left end of the steel cable 2 is provided with the left hammer 3, the right end of the steel cable 2 is provided with the right hammer 4, the upper end of the wire clamp 1 is provided with a wire hole 5 with two through ends, an a-end inserting port 51 is formed in the inner wall of the wire hole 5, a self-resetting device 6 is arranged in the wire hole 5, before the wire clamp 1 is locked, an inserting rod 62 is respectively inserted into a cable, after the cable and the self-resetting device 6 are fixedly connected, the locked wire clamp 1 is installed, and the a-end inserting port 51 on the wire clamp 1 is connected with the outward-facing port of the inserting rod 62.
Referring to fig. 3, the wire clamp 1 includes a wire clamp main body 11, a bolt 12 and a half-side lug 13, a steel cable 2 is connected to the lower end of the wire clamp main body 11 in a penetrating manner, the half-side lug 13 is screwed in the middle of the wire clamp main body 11 through the bolt 12, wire grooves with openings facing one side are formed in the upper ends of the half-side lug 13 and the wire clamp main body 11, and the two wire grooves are mutually matched to form a wire hole 5.
Referring to fig. 4 to 5, the self-resetting device 6 includes a center shaft assembly 61, an insertion rod 62, a center ring assembly 63, a left side ring assembly 64 and a right side ring assembly 65, the center shaft assembly 61 is formed by mutually rotatably connecting three sections of rod bodies, a B-end insertion port 66 annularly distributed is formed in the middle rod body, the insertion rod 62 is inserted between the B-end insertion port 66 and the a-end insertion port 51, the middle portion of the insertion rod 62 penetrates through the center shaft assembly 61, the left side of the center shaft assembly 61 is provided with the left side ring assembly 64, the right side of the center shaft assembly 61 is provided with the right side ring assembly 65, and a plurality of cables sequentially penetrate through a gap between the two insertion rods 62 and then cross the left side ring assembly 64 or the right side ring assembly 65 and are hinged to each other.
Referring to fig. 6, the outer wall of the rod body at the two ends of the middle shaft assembly 61 is provided with spiral slide rails 67, and the two ends of the middle shaft assembly are both conical, the cable is formed by hinging a plurality of power lines, wherein the middle shaft assembly 61 is located in the middle of the cable, the power lines extend between the two insert rods 62 from the conical hinging part at the left end of the middle shaft assembly 61, and then reach the conical hinging part at the right end of the middle shaft assembly 61, the plurality of power lines are annularly distributed outside the leftward side ring assembly 64 and the rightward side ring assembly 65, the middle ring assembly 63 is sleeved outside the plurality of power lines, the insert rods 62 are inserted into the hinged cable, the cable clamp 1 drives the insert rods 62 to move along the cable after sliding along the cable, so as to change the hinging tightness at the two sides of the cable, and further increase the hinging tightness to push the side ring body 651 to move, thereby automatically resetting the cable clamp 1.
Referring to fig. 7, the middle ring assembly 63 includes an annular inner plate 68 and an annular outer plate 69, and the annular inner plate 68 and the annular outer plate 69 are staggered and stacked end to form an annular structure; the annular inner sheet 68 comprises an inner sheet main body 681 and a side 682, wherein through holes are formed in the inner sheet main body 681 and the side 682, the through holes in the inner sheet main body 681 are used for penetrating through the insertion rod 62, and the through holes in the side 682 are used for connecting the left side ring assembly 64; the annular outer sheet 69 comprises an outer sheet main body 691, side lugs 692 and arc-shaped slide ways 693, the side lugs 692 are welded at the edge of one side 682 of the outer sheet main body 691, the arc-shaped slide ways 693 are formed in the side lugs 692, the arc-shaped slide ways 693 are connected with the right-hand side ring assembly 65 in a sliding mode, and through holes are formed in the side lugs 692 and used for penetrating through the insertion rods 62; set up the changeable well circle subassembly 63 of diameter and encircle at the cable outside, adopt the mode of linkage, it is rotatory along heliciform slide rail 67 itself when side circle ring body 651 removes, and then it is rotatory to drive inserted bar 62, further resume the articulated power balance in cable both sides, and simultaneously, when side circle ring body 651 is rotatory, its telescopic link 653 slides along the arc slide rail, and then drive well circle subassembly 63 diameter and reduce, circle subassembly 63 is around locking to the circle of cable in resuming, improve the inseparable degree between fastener 1 and the cable, improve and connect the tautness.
Referring to fig. 8, the structure of the left side ring assembly 64 is the same as that of the right side ring assembly 65, and both of them include a side ring body 651, a sliding rod 652 and a telescopic rod 653, the inner wall of the side ring body 651 is provided with the integrally formed sliding rod 652, the sliding rod 652 slides along the spiral sliding rail 67, the inner side end face of the side ring body 651 is fixedly connected with the telescopic rod 653, the telescopic rod 653 on the left side ring assembly 64 is screwed with a through hole on the side 682, the telescopic rod 653 on the right side ring assembly 65 is slidably connected with an arc-shaped slideway 693, the telescopic rod 653 is composed of a rod body and a tube body slidably sleeved on the rod body, and the tube body can be guided to extend and retract along the tube body.
Referring to fig. 9, in order to better show the flow of the resetting method of the self-resetting damper for preventing the operation slippage, the embodiment provides a resetting method of the self-resetting damper for preventing the operation slippage, which includes the following steps:
s101: the wind power drives the cable to shake, so that the damper swings, the wire clamp 1 of the damper slides along the cable together with the insertion rods 62 fixed at the two ends, and the insertion rods 62 slide rightwards;
s102: the insertion rod 62 synchronously moves towards the right in the process of sliding towards the right, and the middle ring assembly 63 is opened outwards, so that the hinging force of the power line hinged to the right side of the middle ring assembly 63 is increased;
s103: the hinging force of the power line hinged at the left side of the middle ring component 63 is reduced, and the increased hinging force at the right side pushes the side ring body 651 of the right side ring component 65 to move leftwards along the spiral slide rail 67;
s104: in the sliding process, the telescopic rod 653 is driven to slide along the arc-shaped slide rail 693 to push the middle ring assembly 63 to be locked, the diameter of an annular structure formed by the middle ring assembly 63 is reduced, and the automatic resetting of the automatic sliding damper under the action of wind power swinging is realized.
In summary, the following steps: the invention provides a self-resetting damper for preventing running slippage and a resetting method thereof.A plug rod 62 is plugged into a hinged cable, a cable clamp 1 drives the plug rod 62 to move along the cable after sliding along the cable, so that the hinged tightness of two sides of the cable is changed, and the hinged tightness is increased to push a side ring body 651 to move, so that the cable clamp 1 is automatically reset, and the process prevents a stranded wire from directly extruding the cable clamp 1; set up the changeable well circle subassembly 63 of diameter and encircle at the cable outside, adopt the mode of linkage, it is rotatory along heliciform slide rail 67 itself when side circle ring body 651 removes, and then it is rotatory to drive inserted bar 62, further resume the articulated power balance in cable both sides, and simultaneously, when side circle ring body 651 is rotatory, its telescopic link 653 slides along the arc slide rail, and then drive well circle subassembly 63 diameter and reduce, circle subassembly 63 is around locking to the circle of cable in resuming, improve the inseparable degree between fastener 1 and the cable, improve and connect the tautness.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a prevent to move damper that restores to throne from, includes fastener (1), cable wire (2), left tup (3) and right tup (4), fastener (1) lower extreme fixed connection is to cable wire (2) that extend to both sides, the left end of cable wire (2) is provided with left tup (3), and the right-hand member of cable wire (2) is provided with right tup (4), its characterized in that, the upper end of fastener (1) is provided with both ends penetrating line hole (5), A end interface (51) have been seted up on the inner wall of line hole (5), and be provided with in line hole (5) from restoring to throne device (6).
2. The self-resetting damper for preventing running slippage according to claim 1, wherein the wire clamp (1) comprises a wire clamp main body (11), a bolt (12) and a half lug (13), a steel cable (2) is connected to the lower end of the wire clamp main body (11) in a penetrating manner, the half lug (13) is screwed to the middle of the wire clamp main body (11) through the bolt (12), wire grooves with openings facing one side are formed in the upper ends of the half lug (13) and the wire clamp main body (11), and the two wire grooves are matched with each other to form a wire hole (5).
3. The self-resetting vibration damper for preventing running slip of claim 1, the self-resetting device (6) comprises a center shaft assembly (61), an inserted link (62), a middle ring assembly (63), a left side ring assembly (64) and a right side ring assembly (65), wherein the center shaft assembly (61) is formed by mutually and rotatably connecting three sections of rod bodies, the rod body in the middle is provided with a B-end interface (66) which is distributed annularly, an inserting rod (62) is inserted between the B-end interface (66) and the A-end interface (51), the middle part of the inserted bar (62) penetrates through the middle shaft assembly (61), the left side of the middle shaft assembly (61) is provided with a left side ring assembly (64), the right side of the middle shaft assembly (61) is provided with a right side ring assembly (65), a plurality of cables sequentially penetrate through a gap between the two inserted bars (62), then across the left hand side ring assembly (64) or the right hand side ring assembly (65) and are hinged to each other.
4. The self-resetting damper for preventing running slippage according to claim 3, wherein the outer wall of the rod body at both ends of the middle shaft assembly (61) is provided with a spiral slide rail (67), and both ends of the spiral slide rail are tapered.
5. The self-resetting damper for preventing running slip according to claim 4, wherein the middle ring assembly (63) comprises an annular inner plate (68) and an annular outer plate (69), and the annular inner plate (68) and the annular outer plate (69) are overlapped end to end in a staggered manner to form an annular structure.
6. The self-resetting damper for preventing running slippage according to claim 5, wherein the annular inner plate (68) comprises an inner plate main body (681) and a side (682), through holes are formed in the inner plate main body (681) and the side (682), the through holes in the inner plate main body (681) are used for penetrating through the insertion rod (62), and the through holes in the side (682) are used for connecting the left-side ring assembly (64).
7. The self-resetting damper for preventing running slippage according to claim 6, wherein the annular outer sheet (69) comprises an outer sheet main body (691), side lugs (692) and arc-shaped slide ways (693), the side lugs (692) are welded at one side edge of the outer sheet main body (691), the arc-shaped slide ways (693) are formed in the side lugs (692), the right-hand side ring assembly (65) is connected to the arc-shaped slide ways (693) in a sliding mode, and through holes are formed in the side lugs (692) and used for penetrating through the insert rods (62).
8. The self-resetting damper for preventing operation slippage as recited in claim 7, wherein the structure of the left-hand side ring assembly (64) and the structure of the right-hand side ring assembly (65) are identical, both comprise a side ring body (651), a sliding rod (652) and a telescopic rod (653), the inner wall of the side ring body (651) is provided with the integrally formed sliding rod (652), the sliding rod (652) slides along the spiral sliding rail (67), the inner side end face of the side ring body (651) is fixedly connected with the telescopic rod (653), the telescopic rod (653) on the left-hand side ring assembly (64) is screwed with a through hole on the side edge (682), and the telescopic rod (653) on the right-hand side ring assembly (65) is slidably connected with the arc-shaped slideway (693).
9. The self-resetting vibration damper for preventing operational slippage as recited in claim 8, wherein said extension rod (653) comprises a rod and a tube slidably received on the rod.
10. A method of resetting a self-resetting damper for preventing running slips of any one of claims 8 to 9, comprising the steps of:
s101: the wind power drives the cable to shake, so that the damper swings, the wire clamp (1) of the damper slides along the cable together with the inserted rods (62) fixed at two ends, and the inserted rods (62) slide rightwards;
s102: the insertion rod (62) synchronously moves towards the right in the rightward sliding process and opens outwards, so that the hinging force of the power line hinged to the right side of the middle ring assembly (63) is increased;
s103: the hinging force of the power line hinged at the left side of the middle ring component (63) is reduced, and the increased hinging force at the right side pushes the side ring body (651) of the right side ring component (65) to move leftwards along the spiral slide rail (67);
s104: the telescopic rod (653) is driven to slide along the arc-shaped slide way (693) in the sliding process, the middle ring component (63) is pushed to be locked, the diameter of an annular structure formed by the middle ring component (63) is reduced, and the automatic resetting of the automatically sliding damper under the action of wind power swinging is realized.
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| CN202111340251.0A CN113964770B (en) | 2021-11-12 | 2021-11-12 | Self-resetting damper capable of preventing running slippage and resetting method thereof |
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|---|---|---|---|---|
| CN115149483A (en) * | 2022-07-25 | 2022-10-04 | 安徽省含山县兴建铸造厂 | Dual-installation anti-drop damper and installation method thereof |
| CN116388099A (en) * | 2023-02-27 | 2023-07-04 | 江东金具设备有限公司 | Pre-twisted anti-galloping insulating spacer |
| CN116388099B (en) * | 2023-02-27 | 2023-10-13 | 江东金具设备有限公司 | Pre-twisted anti-galloping insulating spacer |
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|---|---|
| CN113964770B (en) | 2023-06-06 |
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