CN113488946A - Expansion device for preventing wire from vibrating and operation method thereof - Google Patents
Expansion device for preventing wire from vibrating and operation method thereof Download PDFInfo
- Publication number
- CN113488946A CN113488946A CN202110647245.3A CN202110647245A CN113488946A CN 113488946 A CN113488946 A CN 113488946A CN 202110647245 A CN202110647245 A CN 202110647245A CN 113488946 A CN113488946 A CN 113488946A
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- transmission screw
- wire
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- screw rod
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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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- 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
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses a telescopic device for preventing a wire from vibrating and an operation method thereof, belonging to the technical field of high-voltage wires. According to the expansion device for preventing the wire from vibrating and the operation method thereof, when the high-voltage wire vibrates, the first arc-shaped hanging piece and the second arc-shaped hanging piece clamp the high-voltage wire, the suspension expansion mechanism is prevented from sliding on the high-voltage wire, the center of gravity of the expansion device is moved by the counterweight block to prevent the high-voltage wire from vibrating, meanwhile, the double-rod hydraulic cylinder drives the connecting plate, the stretching draw bar and the buffering and vibration-reducing extension block to move, the stress area of the counterweight block is enlarged to prevent the high-voltage wire from vibrating, the high-voltage wire is not prone to windage yaw, and the safe operation of the built overhead power line and the normal power supply of people life can be fully guaranteed.
Description
Technical Field
The invention relates to the technical field of high-voltage wires, in particular to a telescopic device for preventing a wire from vibrating and an operation method thereof.
Background
The high-voltage line generally refers to a power transmission line for transmitting voltage of more than 10kV, according to the regulation in GB/T2900.50-2008, definition 2.1, the high voltage does not usually contain 1000V, and the voltage grades of the high-voltage power transmission line in China generally include: 35kV, 110kV, 220kV, 330kV, 500kV, 750kV and the like, wherein 110kV and 330kV are mostly used in northern areas, generally, transmission voltage below 220kV is called high-voltage transmission, transmission voltage of 330 to 750kV is called ultra-high voltage transmission, and transmission voltage above 1000 kV is called ultra-high voltage transmission.
High-voltage transmission generally adopts underground transmission of cables with insulating layers in cities, and transmission is carried out in the field by overhead lines carried by iron towers, and when high-voltage transmission is carried out, if the high-voltage transmission encounters strong wind weather, the high-voltage transmission is easy to vibrate, so that the high-voltage transmission has windage yaw, and the safe operation of the built overhead power line and the normal power supply of people life cannot be fully guaranteed, so that a telescopic device for preventing the conductor from vibrating and an operation method thereof are urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a telescopic device for preventing a wire from vibrating and an operation method thereof, which can effectively prevent the high-voltage wire from vibrating, ensure that the high-voltage wire is not easy to be windage and can fully ensure the safe operation of the built overhead power line and the normal power supply of people life so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a prevent telescoping device that wire vibrates, includes the high-voltage line, be provided with on the high-voltage line and take precautions against earthquakes and swing the base, take precautions against earthquakes and swing and install the telescopic machanism that hangs that prevents the high-voltage line and vibrate on the base, the telescopic machanism that takes precautions against earthquakes installs on the high-voltage line through hanging.
Further, hang telescopic machanism and include that biax motor, first transmission lead screw, second transmission lead screw, first slider, second traction, the slider is pull to the second, first arc flying piece and second arc flying piece, biax motor installs and shakes the inboard of base in taking precautions against earthquakes, biax of biax motor all is connected with first transmission lead screw and second transmission lead screw respectively through the shaft coupling, the one end that biax motor was all kept away from to first transmission lead screw and second transmission lead screw all is installed on the inner wall of base is shaken in taking precautions against earthquakes through the bearing, first transmission lead screw threaded connection has first traction slider, install first arc flying piece on the first traction slider, second transmission lead screw threaded connection has the second and pulls the slider, the second pulls and installs second arc flying piece on the slider, first arc flying piece and second arc flying piece all hang on the high-voltage line and first arc flying piece and second arc flying piece symmetric distribution are at the high-voltage line' s Two sides.
Further, hang telescopic machanism and include first bevel gear, second bevel gear, third transmission lead screw, lifting slide, supporting rod and balancing weight, all install first bevel gear through the spline on first transmission lead screw and the second transmission lead screw that direction of rotation is opposite, first bevel gear and the meshing of second bevel gear, the second bevel gear passes through the spline and installs on third transmission lead screw, third transmission lead screw passes through the bearing and installs on taking precautions against earthquakes and swing on the base, third transmission lead screw threaded connection has lifting slide, the last supporting rod that installs of lifting slide, the lower extreme of supporting rod is worn out and is taken precautions against earthquakes and swing the base and the lower extreme of supporting rod is connected with the balancing weight.
Further, all install the direction slide on first slider and the second of drawing pulls the slider, it inlays in the base of preventing shaking to have inlayed the ball and leads the slide on the direction slide.
Furthermore, the inner wall of the base is provided with a bar-shaped sliding groove for guiding the sliding seat to move, and the ball clings to the groove wall of the bar-shaped sliding groove and rolls in the bar-shaped sliding groove.
Further, install buffering damper on the balancing weight, buffering damper includes double-pole pneumatic cylinder, connecting plate, tensile traction lever, buffering shock attenuation extension piece, expanding spring and flexible guide post, the inboard at the balancing weight is installed to the double-pole pneumatic cylinder, the double-pole of double-pole pneumatic cylinder all is connected with the connecting plate, install tensile traction lever on the connecting plate, tensile traction lever wears out the balancing weight and is connected with buffering shock attenuation extension piece, buffering shock attenuation extension piece passes through expanding spring and flexible guide post and connects on the outer wall of balancing weight.
According to another aspect of the present invention, there is provided a method for operating a telescopic device for preventing a wire from vibrating, comprising the steps of:
s1: when the high-voltage wire vibrates, the double-shaft motor drives the first transmission screw rod and the second transmission screw rod to rotate, so that the adjacent first traction sliding block and the second traction sliding block move oppositely, and the first arc-shaped hanging piece and the second arc-shaped hanging piece clamp the high-voltage wire;
s2: the double-shaft motor drives the first transmission screw rod and the second transmission screw rod to rotate, so that the first bevel gear, the second bevel gear and the third transmission screw rod also rotate, the third transmission screw rod rotates to enable the lifting sliding plate, the support connecting rod and the balancing weight to move downwards, and the center of gravity moves downwards to prevent the high-voltage line from oscillating;
s3: meanwhile, the double-rod hydraulic cylinder drives the connecting plate, the stretching draw bar and the buffering and damping extension block to move, so that the stress area of the balancing weight is enlarged to prevent the high-voltage line from vibrating.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a telescopic device for preventing a lead from vibrating and an operation method thereof, when a high-voltage wire vibrates, a double-shaft motor drives a first transmission screw rod and a second transmission screw rod to rotate, so that a first traction slide block and a second traction slide block which are adjacent move oppositely, a first arc-shaped hanging part and a second arc-shaped hanging part clamp the high-voltage wire, a hanging telescopic mechanism is prevented from sliding on the high-voltage wire, the double-shaft motor drives the first transmission screw rod and the second transmission screw rod to rotate, simultaneously, a first bevel gear, a second bevel gear and a third transmission screw rod also rotate, the third transmission screw rod rotates to enable a lifting sliding plate, a supporting connecting rod and a balancing weight to move downwards, the balancing weight moves to enable the gravity center to move downwards to prevent the high-voltage wire from vibrating, and a double-rod hydraulic cylinder drives a connecting plate, a stretching draw bar and a buffering and vibration-reducing extending block to move, so that the stress area of the balancing weight is enlarged to prevent the high-voltage wire from vibrating, the high-voltage line is not easy to windage yaw, and the safe operation of the built overhead power line and the normal power supply of people's life can be fully guaranteed.
Drawings
FIG. 1 is a schematic view of a retractable device for preventing wire oscillation according to the present invention in an initial state;
FIG. 2 is a schematic view of the retractable device for preventing wire oscillation according to the present invention in an operating state;
FIG. 3 is a schematic cross-sectional view of the wire shock prevention telescopic device of the present invention in an operating state;
FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view of a damping mechanism disposed on a weight member according to the present invention.
In the figure: 1. a high-voltage line; 2. a base for preventing vibration; 21. a strip-shaped chute; 3. a suspension telescopic mechanism; 31. a double-shaft motor; 32. a first drive screw; 33. a second drive screw; 34. a first traction block; 35. a second traction block; 36. a first arc-shaped suspension member; 37. a second arc-shaped suspension member; 38. a first bevel gear; 39. a second bevel gear; 310. a third drive screw; 311. a lifting slide plate; 312. a support link; 313. a balancing weight; 4. a guide slide; 41. a ball bearing; 5. a buffer damping mechanism; 51. a double-rod hydraulic cylinder; 52. a connecting plate; 53. stretching the draw bar; 54. a buffer shock-absorbing extension block; 55. a tension spring; 56. a telescopic guide post.
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. 1-2, a telescopic device for preventing a wire from vibrating comprises a high-voltage wire 1, wherein a vibration-proof base 2 is arranged on the high-voltage wire 1, a suspension telescopic mechanism 3 for preventing the high-voltage wire 1 from vibrating is mounted on the vibration-proof base 2, and the vibration-proof base 2 is mounted on the high-voltage wire 1 through the suspension telescopic mechanism 3.
Referring to fig. 3, the suspension telescoping mechanism 3 includes a dual-shaft motor 31, a first transmission screw 32, a second transmission screw 33, a first traction slider 34, a second traction slider 35, a first arc-shaped suspension member 36 and a second arc-shaped suspension member 37, the dual-shaft motor 31 drives the first transmission screw 32 and the second transmission screw 33 to rotate, the first transmission screw 32 and the second transmission screw 33 with opposite rotation directions can make the adjacent first traction slider 34 and the second traction slider 35 move oppositely under the guiding action of the guiding slide carriage 4, the first traction slider 34 and the second traction slider 35 move oppositely to make the first arc-shaped suspension member 36 and the second arc-shaped suspension member 37 move oppositely, so that the first arc-shaped suspension member 36 and the second arc-shaped suspension member 37 clamp the high-voltage wire 1, the dual-shaft suspension member motor 31 is installed inside the swing base 2, the dual-shaft of the dual-shaft motor 31 is respectively connected with the first transmission screw 32 and the second transmission screw 33 through a shaft coupling, one ends of a first transmission screw rod 32 and a second transmission screw rod 33, which are far away from a double-shaft motor 31, are respectively installed on the inner wall of a vibration-proof base 2 through bearings, the first transmission screw rod 32 is in threaded connection with a first traction slide block 34, a first arc-shaped suspension part 36 is installed on the first traction slide block 34, the second transmission screw rod 33 is in threaded connection with a second traction slide block 35, guide slide blocks 4 are respectively installed on the first traction slide block 34 and the second traction slide block 35, balls 41 are embedded on the guide slide blocks 4, the guide slide blocks 4 are embedded in the vibration-proof base 2, a strip-shaped slide groove 21 for the guide slide blocks 4 to move is formed in the inner wall of the vibration-proof base 2, the balls 41 are tightly attached to the groove walls of the strip-shaped slide grooves 21, the balls 41 roll in the strip-shaped slide grooves 21, and the first transmission screw rod 32 and the second transmission screw rod 33 with opposite rotation directions can enable the adjacent first traction slide block 34 and the second traction slide block 35 to move oppositely under the guide effect of the guide slide blocks 4 in the rotation process, the guide sliding seat 4 moves smoothly in the strip-shaped sliding groove 21 through the ball 41, the second traction sliding block 35 is provided with a second arc-shaped hanging part 37, the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 are both hung on the high-voltage wire 1, the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 are symmetrically distributed on two sides of the high-voltage wire 1, the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 are hung on the high-voltage wire 1, the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 are not contacted with each other, when the high-voltage wire 1 oscillates, the double-shaft motor 31 drives the first transmission screw rod 32 and the second transmission screw rod 33 to rotate, the first transmission screw rod 32 and the second transmission screw rod 33 with opposite rotation directions can enable the adjacent first traction sliding block 34 and the second traction sliding block 35 to move oppositely under the guide effect of the guide sliding seat 4, and the first traction sliding block 34 and the second traction sliding block 35 move oppositely, so that the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 also move oppositely The first and second arcuate suspension members 36, 37 are moved to grip the high voltage line 1 and prevent the suspension retraction mechanism 3 from slipping on the high voltage line 1.
Referring to fig. 4, the suspension telescoping mechanism 3 includes a first bevel gear 38, a second bevel gear 39, a third transmission screw 310, a lifting sliding plate 311, a support link 312 and a counterweight 313, the first bevel gear 38 is mounted on the first transmission screw 32 and the second transmission screw 33 which are opposite in rotation direction through splines, the first bevel gear 38 is engaged with the second bevel gear 39, the second bevel gear 39 is mounted on the third transmission screw 310 through splines, the third transmission screw 310 is mounted on the anti-oscillation base 2 through a bearing, the lifting sliding plate 311 is connected with the third transmission screw 310 through a screw, the support link 312 is mounted on the lifting sliding plate 311, the lower end of the support link 312 penetrates through the anti-oscillation base 2 and the lower end of the support link 312 is connected with the counterweight 313, the first transmission screw 32 and the second transmission screw 33 are driven by the dual-shaft motor 31 to rotate so that the first bevel gear 38 rotates along with the first bevel gear 38, and the second bevel gear 39 is mounted on the third transmission screw through splines The movable screw rod 310 enables the second bevel gear 39 and the third transmission screw rod 310 to rotate along with the first bevel gear 38 in the rotating process, the third transmission screw rod 310 rotates to enable the lifting sliding plate 311, the supporting connecting rod 312 and the balancing weight 313 to move downwards, the balancing weight 313 moves to enable the gravity center to move downwards to prevent the high-voltage wire 1 from vibrating, the high-voltage wire 1 is not prone to wind deflection, and safe operation of the built overhead power line and normal power supply of people life can be fully guaranteed.
Referring to fig. 5, a buffer damping mechanism 5 is installed on a counterweight 313, the buffer damping mechanism 5 includes a double-rod hydraulic cylinder 51, a connecting plate 52, a stretching drawbar 53, a buffer damping extension block 54, a telescopic spring 55 and a telescopic guide post 56, the double-rod hydraulic cylinder 51 is installed on the inner side of the counterweight 313, the connecting plate 52 is connected to both double rods of the double-rod hydraulic cylinder 51, the stretching drawbar 53 is installed on the connecting plate 52, the stretching drawbar 53 penetrates through the counterweight 313 to be connected with the buffer damping extension block 54, the buffer damping extension block 54 is connected to the outer wall of the counterweight 313 through the telescopic spring 55 and the telescopic guide post 56, the counterweight 313 moves to move the center of gravity to prevent the high-voltage wire 1 from vibrating, the double-rod hydraulic cylinder 51 drives the connecting plate 52, the stretching drawbar 53 and the buffer damping extension block 54 to move, the stressed area of the counterweight 313 is increased to prevent the high-voltage wire 1 from vibrating, and the high-voltage wire 1 is not prone to windage, the safety operation of the built overhead power line and the normal power supply of people's life can be fully guaranteed.
In order to better show the operation flow of the telescopic device for preventing the wire from vibrating, the present embodiment provides an operation method of the telescopic device for preventing the wire from vibrating, including the following steps:
s1: when the high-voltage wire 1 vibrates, the double-shaft motor 31 drives the first transmission screw rod 32 and the second transmission screw rod 33 to rotate, so that the adjacent first traction sliding block 34 and the second traction sliding block 35 move oppositely, and the first arc-shaped hanging part 36 and the second arc-shaped hanging part 37 clamp the high-voltage wire 1;
s2: the double-shaft motor 31 drives the first transmission screw rod 32 and the second transmission screw rod 33 to rotate, so that the first bevel gear 38, the second bevel gear 39 and the third transmission screw rod 310 also rotate, the third transmission screw rod 310 rotates to enable the lifting sliding plate 311, the support connecting rod 312 and the balancing weight 313 to move downwards, and the center of gravity moves downwards to prevent the high-voltage wire 1 from oscillating;
s3: meanwhile, the double-rod hydraulic cylinder 51 drives the connecting plate 52, the tension bar 53 and the damping extension block 54 to move, so that the force bearing area of the counterweight 313 is increased to prevent the high-voltage wire 1 from oscillating.
In summary, according to the telescopic device for preventing wire oscillation and the operation method thereof of the present invention, when the high voltage wire 1 oscillates, the dual-shaft motor 31 drives the first transmission screw 32 and the second transmission screw 33 to rotate, so as to move the adjacent first pulling slider 34 and the second pulling slider 35 towards each other, so as to clamp the high voltage wire 1 by the first arc suspension member 36 and the second arc suspension member 37, so as to prevent the suspension telescopic mechanism 3 from sliding on the high voltage wire 1, the dual-shaft motor 31 drives the first transmission screw 32 and the second transmission screw 33 to rotate, and simultaneously, the first bevel gear 38, the second bevel gear 39 and the third transmission screw 310 also rotate, the third transmission screw 310 rotates to move the lifting slide plate 311, the support link 312 and the counterweight block 313 downwards, the counterweight block 313 moves to move the center of gravity downwards to prevent the high voltage wire 1 from oscillating, and simultaneously, the dual-rod hydraulic cylinder 51 drives the connecting plate 52, the tension bar 53 and the damping extension block 54 to move, the stress area of the balancing weight 313 is enlarged to prevent the high-voltage wire 1 from vibrating, so that the high-voltage wire 1 is not prone to windage yaw, and the safe operation of the built overhead power line and the normal power supply of people's life can be fully guaranteed.
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 (7)
1. The utility model provides a prevent telescoping device that wire vibrates, includes high-voltage line (1), its characterized in that, be provided with anti-vibration base (2) on high-voltage line (1), install on anti-vibration base (2) and prevent hanging telescopic machanism (3) that high-voltage line (1) vibrate, take precautions against earthquakes and swing base (2) and install on high-voltage line (1) through hanging telescopic machanism (3).
2. The telescopic device for preventing the wire from oscillating as claimed in claim 1, wherein the suspension telescopic mechanism (3) comprises a double-shaft motor (31), a first transmission screw rod (32), a second transmission screw rod (33), a first traction slider (34), a second traction slider (35), a first arc-shaped suspension member (36) and a second arc-shaped suspension member (37), the double-shaft motor (31) is installed at the inner side of the base (2) for preventing the wire from oscillating, the double shafts of the double-shaft motor (31) are respectively connected with the first transmission screw rod (32) and the second transmission screw rod (33) through shaft couplings, the ends of the first transmission screw rod (32) and the second transmission screw rod (33) far away from the double-shaft motor (31) are respectively installed on the inner wall of the base (2) for preventing the wire from oscillating through bearings, the first traction slider (34) is in threaded connection with the first transmission screw rod (32), install first arc suspension member (36) on first pull slider (34), second transmission lead screw (33) threaded connection has second to pull slider (35), second pull and install second arc suspension member (37) on slider (35), first arc suspension member (36) and second arc suspension member (37) all hang on high-voltage line (1) and first arc suspension member (36) and second arc suspension member (37) symmetric distribution are in the both sides of high-voltage line (1).
3. The telescopic device for preventing the wire from vibrating as claimed in claim 2, wherein the suspension telescopic mechanism (3) comprises a first bevel gear (38), a second bevel gear (39), a third transmission screw (310), a lifting sliding plate (311), a support connecting rod (312) and a counterweight (313), the first transmission screw (32) and the second transmission screw (33) with opposite rotation directions are provided with the first bevel gear (38) through splines, the first bevel gear (38) is engaged with the second bevel gear (39), the second bevel gear (39) is arranged on the third transmission screw (310) through splines, the third transmission screw (310) is arranged on the anti-vibrating base (2) through a bearing, the third transmission screw (310) is in threaded connection with the lifting sliding plate (311), the lifting sliding plate (311) is provided with the support connecting rod (312), the lower end of the supporting connecting rod (312) penetrates through the vibration-proof base (2) and the lower end of the supporting connecting rod (312) is connected with a balancing weight (313).
4. A telescopic device for preventing the oscillation of a wire as in claim 3, wherein the first traction slider (34) and the second traction slider (35) are each provided with a guiding slide (4), the guiding slide (4) is embedded with a ball (41) and the guiding slide (4) is embedded in the oscillation-proof base (2).
5. The telescopic device for preventing the wire from vibrating as claimed in claim 4, wherein the inner wall of the vibration-proof base (2) is provided with a bar-shaped sliding slot (21) for the guiding sliding seat (4) to move, the ball (41) is tightly attached to the wall of the bar-shaped sliding slot (21) and the ball (41) rolls in the bar-shaped sliding slot (21).
6. A telescopic device for preventing oscillation of a wire as claimed in claim 5, the balancing weight (313) is provided with a buffering and damping mechanism (5), the buffering and damping mechanism (5) comprises a double-rod hydraulic cylinder (51), a connecting plate (52), a stretching draw bar (53), a buffering and damping extension block (54), a telescopic spring (55) and a telescopic guide post (56), the double-rod hydraulic cylinder (51) is arranged at the inner side of the counterweight block (313), the double rods of the double-rod hydraulic cylinder (51) are both connected with a connecting plate (52), a stretching draw bar (53) is arranged on the connecting plate (52), the stretching draw bar (53) penetrates through the balancing weight (313) to be connected with a buffering damping extension block (54), the buffer damping extension block (54) is connected to the outer wall of the balancing weight (313) through a telescopic spring (55) and a telescopic guide column (56).
7. The method of claim 6, comprising the steps of:
s1: when the high-voltage wire (1) vibrates, the double-shaft motor (31) drives the first transmission screw rod (32) and the second transmission screw rod (33) to rotate, so that the adjacent first traction sliding block (34) and the second traction sliding block (35) move oppositely, and the first arc-shaped hanging piece (36) and the second arc-shaped hanging piece (37) clamp the high-voltage wire (1);
s2: the double-shaft motor (31) drives the first transmission screw rod (32) and the second transmission screw rod (33) to rotate, so that the first bevel gear (38), the second bevel gear (39) and the third transmission screw rod (310) also rotate, the third transmission screw rod (310) rotates to enable the lifting sliding plate (311), the supporting connecting rod (312) and the balancing weight (313) to move downwards, and the center of gravity moves downwards to prevent the high-voltage wire (1) from vibrating;
s3: meanwhile, the double-rod hydraulic cylinder (51) drives the connecting plate (52), the stretching draw bar (53) and the buffering and damping extension block (54) to move, so that the stress area of the counterweight block (313) is enlarged to prevent the high-voltage wire (1) from vibrating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647245.3A CN113488946A (en) | 2021-06-10 | 2021-06-10 | Expansion device for preventing wire from vibrating and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647245.3A CN113488946A (en) | 2021-06-10 | 2021-06-10 | Expansion device for preventing wire from vibrating and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113488946A true CN113488946A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110647245.3A Withdrawn CN113488946A (en) | 2021-06-10 | 2021-06-10 | Expansion device for preventing wire from vibrating and operation method thereof |
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| Country | Link |
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| CN (1) | CN113488946A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204498A (en) * | 2022-02-18 | 2022-03-18 | 南通九维机械制造有限公司 | Anti-stretching connecting device of power supply wire |
-
2021
- 2021-06-10 CN CN202110647245.3A patent/CN113488946A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204498A (en) * | 2022-02-18 | 2022-03-18 | 南通九维机械制造有限公司 | Anti-stretching connecting device of power supply wire |
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Application publication date: 20211008 |