CN220172828U - Bolt type vibration-proof device for overhead cable - Google Patents
Bolt type vibration-proof device for overhead cable Download PDFInfo
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- CN220172828U CN220172828U CN202321598628.7U CN202321598628U CN220172828U CN 220172828 U CN220172828 U CN 220172828U CN 202321598628 U CN202321598628 U CN 202321598628U CN 220172828 U CN220172828 U CN 220172828U
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- bolt
- vibration
- rectangular sliding
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- 230000000670 limiting effect Effects 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 241000251131 Sphyrna Species 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a bolt type vibration-proof device for an overhead cable, which relates to the technical field of vibration-proof of the overhead cable and aims to solve the problems that when the existing bolt type vibration-proof device for the overhead cable is used, a bolt on the bolt type vibration-proof device is easy to be stressed to generate a loosening phenomenon, and the bolt type vibration-proof device is displaced once the loosening phenomenon occurs, so that the vibration-proof effect is reduced, and the vibration-proof device comprises a vibration damper; the rear side of the upper end of the shockproof hammer is provided with a movable wire clamping piece, and the upper end of the shockproof hammer is fixedly clamped on the overhead conductor through the movable wire clamping piece; the upper end of the shockproof hammer is movably inserted with a fixing bolt, and the fixing bolt is connected with a fixing nut through threads; through the cooperation of anti-loosening portion and limiting gear to avoided fixing bolt to take place not hard up phenomenon, avoided leading to this vibration isolator to appear the condition of displacement, thereby improved this analogue means's shockproof effect.
Description
Technical Field
The utility model belongs to the technical field of vibration prevention of overhead cables, and particularly relates to a bolt type vibration prevention device for overhead cables.
Background
When the overhead power line wire (cable) is used at high altitude, the wire can vibrate periodically due to the action of wind force and other factors, the vibration of the wire not only has damage danger to the wire, but also can cause large-area power failure accident in serious cases, so that effective shockproof measures are needed to be taken for precaution. In the prior art, when the overhead power line is shockproof, the conventional overhead power line is generally realized by a bolt type vibration damper, which is commonly called a damper. When the overhead power line is subjected to external force, inertia in the damper is subjected to inertial force, so that opposite movement is generated, and vibration of the overhead power line is reduced.
When the conventional bolt type vibration-proof device for the overhead cable is used, the bolt on the bolt type vibration-proof device is easy to be stressed to generate a loosening phenomenon, and once the loosening phenomenon occurs, the bolt type vibration-proof device is caused to generate displacement, so that the vibration-proof effect is reduced, the fatigue damage efficiency of a wire is accelerated, and the service life of the wire is further reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a bolt type vibration isolator for an overhead cable, which solves the problems that when the existing bolt type vibration isolator for the overhead cable is used, the bolt on the bolt type vibration isolator is easy to be stressed to generate loosening, and the bolt type vibration isolator is displaced once the loosening occurs, so that the vibration isolating effect is reduced.
The utility model discloses a purpose and an effect of a bolt type vibration-proof device for an overhead cable, which are achieved by the following specific technical means:
a bolt type vibration-proof device for overhead cable comprises a vibration-proof hammer; the rear side of the upper end of the shockproof hammer is provided with a movable wire clamping piece, and the upper end of the shockproof hammer is fixedly clamped on the overhead conductor through the movable wire clamping piece; the upper end of the shockproof hammer is movably inserted with a fixing bolt, and the fixing bolt is connected with a fixing nut through threads; the front side of the upper end of the shockproof hammer is provided with an anti-loosening part, and the anti-loosening part is positioned above the fixing bolt.
Further, the anti-vibration hammer comprises a steel strand, anti-vibration hammer heads, a connecting block, a -shaped wire clamping piece and a T-shaped chute, wherein the left end and the right end of the steel strand are fixedly connected with the anti-vibration hammer heads, and the middle side of the outer part of the steel strand is fixedly connected with the connecting block; the upper end of the connecting block is fixedly connected with a -shaped wire clamping piece, and two T-shaped sliding grooves are formed in the upper side surface and the lower side surface of the inner side of the -shaped wire clamping piece.
Furthermore, two T-shaped sliding blocks are arranged on the upper end face and the lower end face of the movable wire clamping piece, an inner hexagonal counter bore is formed in the middle side of the lower portion of the front end face of the movable wire clamping piece, and the fixing nut is fixedly connected inside the inner hexagonal counter bore.
Further, a connecting rope is fixedly connected to the lower portion of the front end face of the movable wire clamping piece, and the other end of the connecting rope is fixedly connected to the bottom end face of the -shaped wire clamping piece.
Furthermore, a limiting gear is fixedly connected to the outside of the front side of the fixing bolt, and fan-shaped limiting teeth are arranged on the peripheral surface of the limiting gear in an annular array shape; the tightening and turning of the fixing bolt is clockwise.
Further, the anti-loosening part comprises a rectangular sliding cylinder, a rectangular sliding block, a propping piece, a pulling rod, a rotating plate and a limiting plate, wherein the rectangular sliding cylinder is fixedly connected to the middle side of the upper part of the front end surface of the -shaped wire clamping piece, and the rectangular sliding block is connected inside the rectangular sliding cylinder in a sliding manner; the lower end of the rectangular sliding block is provided with a jacking piece penetrating through the bottom of the rectangular sliding cylinder, the lower end surface of the jacking piece is provided with a triangular jacking block, and the triangular jacking block is tightly contacted with the peripheral surface of the limiting gear; the upper end of the rectangular sliding block is provided with a pulling rod penetrating through the top of the rectangular sliding cylinder, and a spring is sleeved outside the pulling rod and inside the rectangular sliding cylinder; the upper end of the pulling rod is rotationally connected with a rotating plate, a limiting plate is arranged on the front side of the top end of the rectangular sliding cylinder, and a notch is formed in the middle of the upper end of the limiting plate.
Further, the anti-vibration hammer further comprises a first rubber anti-skid pad, and the first rubber anti-skid pad is arranged on the rear side surface of the inner side of the -shaped wire clamping piece; the movable wire clamping piece is characterized in that a second rubber anti-slip pad is arranged on the rear end face of the movable wire clamping piece, and arc-shaped clamping grooves are formed in the upper parts of the opposite faces of the second rubber anti-slip pad and the first rubber anti-slip pad.
Compared with the prior art, the utility model has the following beneficial effects:
through the cooperation of locking portion and spacing gear, can be after fixing bolt screws up clockwise, triangle-shaped top tight piece and spacing gear outer peripheral face in close contact to make spacing gear and fixing bolt can obtain effectual one-way spacing effect, thereby make fixing bolt can not anticlockwise rotate this moment, thereby avoided fixing bolt to take place not hard up phenomenon, avoid leading to the condition that displacement appears in this vibration isolator, thereby improved this simulation device's shockproof effect, thereby slowed down the fatigue damage efficiency of wire, and then improved air wire's life.
Through the cooperation of second rubber slipmat and first rubber slipmat, can screw up the back clockwise at fixing bolt, first rubber slipmat and second rubber slipmat will tightly be held in the overhead conductor outside to make this vibration isolator obtain effectual fixed action in the overhead conductor outside, and through the antiskid effect of second rubber slipmat and first rubber slipmat, thereby further improved this simulator's shockproof effect.
Drawings
Fig. 1 is a schematic view of a first view structure of the present utility model.
Fig. 2 is a schematic view of a second view structure of the present utility model.
Fig. 3 is a schematic diagram of the structure of the -shaped wire clamping piece and the movable wire clamping piece after being detached.
Fig. 4 is a schematic view of a partially enlarged structure at a in fig. 1 according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a damper; 101. steel strand; 102. shockproof hammer head; 103. a connecting block; 104. -shaped wire clamping piece; 105. a first rubber cleat; 106. a T-shaped chute; 2. a movable wire clamping member; 201. a T-shaped slider; 202. a second rubber cleat; 203. a connecting rope; 204. an inner hexagonal counter bore; 3. a fixing bolt; 301. a fixing nut; 302. a limit gear; 4. an overhead conductor; 5. a loosening prevention part; 501. a rectangular slide cylinder; 502. a rectangular sliding block; 503. a tightening member; 504. pulling the rod; 505. a rotating plate; 506. and a limiting plate.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 4:
the utility model provides a bolt type vibration-proof device for an overhead cable, which comprises a vibration damper 1; the rear side of the upper end of the damper 1 is provided with a movable wire clamping piece 2, and the upper end of the damper 1 is fixedly clamped on an overhead conductor 4 through the movable wire clamping piece 2; the upper end of the shockproof hammer 1 is movably inserted with a fixing bolt 3, and the fixing bolt 3 is connected with a fixing nut 301 through threads; the front side of the upper end of the shockproof hammer 1 is provided with an anti-loosening part 5, and the anti-loosening part 5 is positioned above the fixed bolt 3;
the anti-vibration hammer 1 comprises a steel strand 101, anti-vibration hammer heads 102, connecting blocks 103, -shaped wire clamping pieces 104 and T-shaped sliding grooves 106, wherein the left end and the right end of the steel strand 101 are fixedly connected with one anti-vibration hammer head 102, and the middle side of the outer part of the steel strand 101 is fixedly connected with the connecting blocks 103; the upper end of the connecting block 103 is fixedly connected with a -shaped wire clamping piece 104, and the upper side and the lower side of the inner side of the -shaped wire clamping piece 104 are provided with two T-shaped sliding grooves 106 which are used for being in sliding connection with the T-shaped sliding block 201;
two T-shaped sliding blocks 201 are arranged on the upper end face and the lower end face of the movable wire clamping piece 2, an inner hexagonal counter bore 204 is formed in the middle side of the lower part of the front end face of the movable wire clamping piece 2, and a fixed nut 301 is fixedly connected inside the inner hexagonal counter bore 204; the lower part of the front end surface of the movable wire clamping piece 2 is fixedly connected with a connecting rope 203, and the other end of the connecting rope 203 is fixedly connected with the bottom end surface of a -shaped wire clamping piece 104;
the outside of the front side of the fixed bolt 3 is fixedly connected with a limiting gear 302, and the outer peripheral surface of the limiting gear 302 is provided with sector limiting teeth in an annular array shape; the tightening and turning of the fixing bolt 3 is clockwise;
the movable wire clamping pieces 2 and are matched with the fixed bolts 3, so that the damper 1 is fixed on the overhead conductor 4;
the anti-loosening part 5 comprises a rectangular sliding cylinder 501, a rectangular sliding block 502, a propping piece 503, a pulling rod 504, a rotating plate 505 and a limiting plate 506, wherein the rectangular sliding cylinder 501 is fixedly connected to the middle side of the upper part of the front end surface of the -shaped wire clamping piece 104, and the rectangular sliding block 502 is connected inside the rectangular sliding cylinder 501 in a sliding way; the lower end of the rectangular sliding block 502 is provided with a jacking piece 503 penetrating through the bottom of the rectangular sliding cylinder 501, the lower end surface of the jacking piece 503 is provided with a triangular jacking block, and the triangular jacking block is tightly contacted with the peripheral surface of the limiting gear 302; the upper end of the rectangular sliding block 502 is provided with a pulling rod 504 penetrating through the top of the rectangular sliding cylinder 501, and a spring is sleeved outside the pulling rod 504 and inside the rectangular sliding cylinder 501; the pulling rod 504 upper end rotates and is connected with rotor plate 505, and rectangle slide 501 top front side is equipped with limiting plate 506, and the breach has been seted up at limiting plate 506 upper end middle part, through the cooperation of locking portion 5 with spacing gear 302 to avoided fixing bolt 3 to take place not hard up phenomenon, avoided leading to this vibration isolator to appear the condition of displacement, thereby improved this simulation device's shockproof effect.
Examples
On the basis of example 1, as shown in fig. 2 to 3: the shockproof hammer 1 also comprises a first rubber anti-skid pad 105, and the first rubber anti-skid pad 105 is arranged on the inner rear side surface of the -shaped wire clamping piece 104; the rear end surface of the movable wire clamping piece 2 is provided with a second rubber anti-skid pad 202, and the upper parts of the opposite surfaces of the second rubber anti-skid pad 202 and the first rubber anti-skid pad 105 are provided with arc clamping grooves;
the anti-skid effect of the second rubber anti-skid pad 202 and the first rubber anti-skid pad 105 is further improved.
Specific use and action of the embodiment:
in the utility model, when in use, the -shaped wire clamping piece 104 is sleeved on the overhead wire 4, then the movable wire clamping piece 2 is arranged at the inner side of the -shaped wire clamping piece 104, and at the moment, the four T-shaped sliding blocks 201 on the movable wire clamping piece 2 are respectively connected with the four T-shaped sliding grooves 106 in a sliding way, so that the movable wire clamping piece 2 has a guiding effect on the inner side of the -shaped wire clamping piece 104, then the fixing bolt 3 passes through the front side of the -shaped wire clamping piece 104, then the fixing bolt 3 is screwed clockwise into the fixing nut 301, and after the fixing bolt 3 is screwed clockwise, the first rubber anti-skid pad 105 and the second rubber anti-skid pad 202 are tightly clamped outside the overhead wire 4, and the vibration-proof device has an effective fixing effect on the outer side of the overhead wire 4;
the triangular jacking block is tightly contacted with the peripheral surface of the limiting gear 302 at the moment, so that the limiting gear 302 and the fixing bolt 3 can obtain an effective unidirectional limiting effect, and the fixing bolt 3 at the moment cannot rotate anticlockwise, thereby avoiding the phenomenon that the fixing bolt 3 is loosened and avoiding the displacement of the vibration-proof device;
when the vibration isolator is fixed to the outside of the overhead conductor 4, vibration of the overhead conductor 4 is reduced by the vibration isolating action of the damper 1 when the overhead conductor 4 is subjected to external force.
Claims (7)
1. A bolt-type vibration isolator for an overhead cable, comprising: a damper (1); the rear side of the upper end of the shockproof hammer (1) is provided with a movable wire clamping piece (2), and the upper end of the shockproof hammer (1) is fixedly clamped on the overhead conductor (4) through the movable wire clamping piece (2); the upper end of the shockproof hammer (1) is movably inserted with a fixing bolt (3), and the fixing bolt (3) is connected with a fixing nut (301) through threads; the front side of the upper end of the damper (1) is provided with an anti-loosening part (5), and the anti-loosening part (5) is positioned above the fixing bolt (3).
2. A bolt vibration isolator for an overhead cable according to claim 1, wherein: the anti-vibration hammer (1) comprises a steel strand (101), anti-vibration hammer heads (102), connecting blocks (103), -shaped wire clamping pieces (104) and T-shaped sliding grooves (106), wherein the left end and the right end of the steel strand (101) are fixedly connected with the anti-vibration hammer heads (102), and the middle side of the outer part of the steel strand (101) is fixedly connected with the connecting blocks (103); the upper end of the connecting block (103) is fixedly connected with a -shaped wire clamping piece (104), and two T-shaped sliding grooves (106) are formed in the upper side surface and the lower side surface of the inner side of the -shaped wire clamping piece (104).
3. A bolt vibration isolator for an overhead cable according to claim 1, wherein: two T-shaped sliding blocks (201) are arranged on the upper end face and the lower end face of the movable wire clamping piece (2), an inner hexagonal counter bore (204) is formed in the middle side of the lower portion of the front end face of the movable wire clamping piece (2), and the fixing nut (301) is fixedly connected inside the inner hexagonal counter bore (204).
4. A bolt vibration isolator for an overhead cable according to claim 2, wherein: the lower part of the front end surface of the movable wire clamping piece (2) is fixedly connected with a connecting rope (203), and the other end of the connecting rope (203) is fixedly connected with the bottom end surface of the -shaped wire clamping piece (104).
5. A bolt vibration isolator for an overhead cable according to claim 2, wherein: a limiting gear (302) is fixedly connected to the outside of the front side of the fixing bolt (3), and fan-shaped limiting teeth are arranged on the outer peripheral surface of the limiting gear (302) in an annular array shape; the tightening direction of the fixing bolt (3) is clockwise.
6. A bolt vibration isolator for an overhead cable according to claim 5, wherein: the anti-loosening part (5) comprises a rectangular sliding cylinder (501), a rectangular sliding block (502), a jacking piece (503), a pulling rod (504), a rotating plate (505) and a limiting plate (506), wherein the rectangular sliding cylinder (501) is fixedly connected to the middle side of the upper part of the front end surface of the -shaped wire clamping piece (104), and the rectangular sliding block (502) is connected to the inside of the rectangular sliding cylinder (501) in a sliding manner; the lower end of the rectangular sliding block (502) is provided with a jacking piece (503) penetrating through the bottom of the rectangular sliding cylinder (501), the lower end surface of the jacking piece (503) is provided with a triangular jacking block, and the triangular jacking block is tightly contacted with the peripheral surface of the limiting gear (302); the upper end of the rectangular sliding block (502) is provided with a pulling rod (504) penetrating through the top of the rectangular sliding cylinder (501), and a spring is sleeved outside the pulling rod (504) and inside the rectangular sliding cylinder (501); the upper end of the pulling rod (504) is rotationally connected with a rotating plate (505), a limiting plate (506) is arranged at the front side of the top end of the rectangular sliding cylinder (501), and a notch is formed in the middle of the upper end of the limiting plate (506).
7. A bolt vibration isolator for an overhead cable according to claim 2, wherein: the anti-vibration hammer (1) further comprises a first rubber anti-skid pad (105), and the first rubber anti-skid pad (105) is arranged on the rear side surface of the inner side of the -shaped wire clamping piece (104); the movable wire clamping piece (2) is provided with a second rubber anti-slip pad (202) on the rear end face, and arc-shaped clamping grooves are formed in the upper parts of the opposite faces of the second rubber anti-slip pad (202) and the first rubber anti-slip pad (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598628.7U CN220172828U (en) | 2023-06-21 | 2023-06-21 | Bolt type vibration-proof device for overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598628.7U CN220172828U (en) | 2023-06-21 | 2023-06-21 | Bolt type vibration-proof device for overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220172828U true CN220172828U (en) | 2023-12-12 |
Family
ID=89053793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321598628.7U Active CN220172828U (en) | 2023-06-21 | 2023-06-21 | Bolt type vibration-proof device for overhead cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220172828U (en) |
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2023
- 2023-06-21 CN CN202321598628.7U patent/CN220172828U/en active Active
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