CN213711574U - Self-locking device of shockproof hammer - Google Patents
Self-locking device of shockproof hammer Download PDFInfo
- Publication number
- CN213711574U CN213711574U CN202022813391.2U CN202022813391U CN213711574U CN 213711574 U CN213711574 U CN 213711574U CN 202022813391 U CN202022813391 U CN 202022813391U CN 213711574 U CN213711574 U CN 213711574U
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- screw rod
- nut
- screw
- loosening
- threaded sleeve
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Abstract
The utility model relates to a stockbridge damper self-lock device, include the lead screw and cup joint nut, locking packing ring, the threaded sleeve of moving on the lead screw in proper order, the lead screw includes first screw rod and second screw rod, first screw rod and second screw rod integrated design and screw thread opposite direction, nut and locking packing ring of moving all with first screw rod threaded connection, threaded sleeve and second screw rod threaded connection, two terminal surfaces of locking packing ring of moving contact with nut and threaded sleeve's terminal surface respectively. The utility model discloses can realize the effect that the auto-lock was tightened up in the same time, the counter-time, prevent effectively that the stockbridge damper from taking place not hard up, displacement and droing, and then improve the security and the reliability of overhead transmission line operation.
Description
Technical Field
The utility model belongs to the technical field of shockproof equipment, concretely relates to stockbridge damper self-lock device.
Background
With the continuous expansion of the scale of a power grid and the continuous increase of the running time of the grid-connected vibration damper, the vibration damper on the power transmission line can be subjected to factors such as wind power, airflow vortex, thermal expansion and cold contraction, line swing resonance and the like for a long time in the running process, because the vibration damper on the existing power transmission line is installed and fixed on the power transmission line in the traditional screw nut mode, as shown in figure 1, a main screw on an installation and fixing device of the vibration damper is loosened under the influence of the factors, so that the sliding phenomenon of the vibration damper is frequently caused and even falls off, once the vibration damper is loosened, displaced or falls off, the vibration-proof and energy dissipation effects are obviously reduced, the vibration-proof effect cannot be achieved, the line can be worn in the displacement process, the service life of the line is endangered, even the electric power accidents such as line fatigue and breakage and strand breakage are directly caused, and the, therefore, the utility model provides a can prevent effectively that the stockbridge damper from taking place not hard up, displacement and droing, and then improve the stockbridge damper self-lock device of the security and the reliability of overhead transmission line operation.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide one kind and can effectively prevent that the stockbridge damper from taking place not hard up, displacement and droing, and then improve the stockbridge damper self-lock device of the security and the reliability of overhead transmission line operation.
The utility model adopts the technical proposal that: the utility model provides a stockbridge damper self-lock device, includes the lead screw and cup joints nut, locking packing ring, the threaded sleeve that moves on the lead screw in proper order, the lead screw includes first screw rod and second screw rod, first screw rod and second screw rod integrated design and screw thread opposite direction, nut and locking packing ring that moves all with first screw rod threaded connection, threaded sleeve and second screw rod threaded connection, two terminal surfaces of locking packing ring that moves contact with nut and threaded sleeve's terminal surface respectively.
Preferably, the diameter of the second screw is slightly smaller than that of the first screw, and one end of the threaded sleeve is provided with a circular groove with the diameter larger than or equal to that of the first screw.
Preferably, the locking washer further comprises a cap-shaped screw rod, the cap-shaped screw rod is located at one end, far away from the locking washer, of the threaded sleeve, a threaded hole perpendicular to the axial direction of the second screw rod is formed in the surface of the second screw rod, and the cap-shaped screw rod is in threaded connection with the second screw rod through the threaded hole.
Preferably, two symmetrical U-shaped grooves are formed in one end, away from the anti-loosening gasket, of the threaded sleeve, the U-shaped grooves are parallel to the axial direction of the threaded sleeve, the opening of the U-shaped grooves faces outwards, and the cap-shaped screw is located in the U-shaped grooves.
Preferably, one end face of the threaded sleeve, which is close to the anti-loosening washer, and one side face of the nut, which is close to the anti-loosening washer, are provided with radial convex patterns matched with the end face of the anti-loosening washer.
The utility model has the advantages that: the utility model discloses a change traditional screw-nut subassembly into an organic whole design and two sections main screw rods that screw thread opposite direction, and threaded connection has the nut, locking washer and threaded sleeve move, can receive external environment factor when rotating at the main screw rod, realize that the nut rotates and then tightens up the clamp plate or the nut is tightened up and then prevent the reverse not hard up purpose of nut to keeping away from not hard up but threaded sleeve of clamp plate one side to clamp plate one side, realize the auto-lock in the same time, the effect of tightening up in the reverse time, prevent effectively that the stockbridge damper from taking place not hard up, the displacement and drop, and then improve overhead transmission line's security and reliability of operation.
Drawings
FIG. 1 is a view showing a conventional fixing manner of a vibration damper;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
FIG. 4 is a schematic structural view of the main screw rod of the present invention;
FIG. 5 is a schematic structural view of the cap screw of the present invention;
fig. 6 is a schematic structural view of the threaded sleeve of the present invention;
fig. 7 is a schematic structural view of the anti-loosening gasket of the present invention.
In the figure: 1. the anti-vibration bolt comprises a shockproof hammer 2, a screw rod 3, a nut 4, a clamping plate 5, a main screw rod 51, a first screw rod 52, a second screw rod 6, an anti-loosening gasket 7, a threaded sleeve 8, a circular groove 9, a cap-shaped screw rod 10, a threaded hole 11, a U-shaped groove 12 and radial convex lines.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The fixing mode of the existing shockproof hammer 1 is as shown in fig. 1, an overhead line passes through a clamping plate 4 and then is fixed by a screw 2 and a nut 3, the utility model discloses the fixed structure of the shockproof hammer 1 is improved, and the following is specifically explained with the embodiment.
Example 1
As shown in fig. 2-3, the self-locking device for the shockproof hammer comprises a main screw rod 5, and a nut 3, a loosening-preventing washer 6 and a threaded sleeve 7 which are sequentially sleeved on the main screw rod 5, wherein the main screw rod 5 comprises a first screw rod 51 and a second screw rod 52, the first screw rod 51 and the second screw rod 52 are integrally designed and have opposite thread directions, the nut 3 and the loosening-preventing washer 6 are both in threaded connection with the first screw rod 51, the threaded sleeve 7 is in threaded connection with the second screw rod 52, and two end faces of the loosening-preventing washer 6 are respectively in contact with end faces of the nut 3 and the threaded sleeve 7.
When in use, the main screw 5 is arranged in a hole on the clamping plate 4, then the nut 3 is used for fixing, the anti-loosening gasket 6 is arranged at the outer side of the nut 3, the principle of the anti-loosening gasket 6 is very simple, the anti-loosening gasket 6 consists of two gaskets, the outer side is provided with the radial convex patterns 12, the inner side is a bevel surface (not shown in the figure), when in assembly, the two bevel surfaces at the inner side are opposite, the 12 surfaces at the outer side and the contact surfaces at two ends form an occlusion state, when the main screw 5 and the nut 3 are vibrated and the nut 3 is in a loosening trend, only the bevel surfaces at the inner sides of the two gaskets are allowed to relatively stagger to generate lifting tension, thereby achieving the locking effect, the selected bevel angle of the utility model is 30 degrees, the locking effect is better, after the anti-loosening gasket 6 is arranged, the threaded sleeve 7 is arranged, the end surface of the anti-loosening gasket 6 is locked, when the main screw 5 rotates, lead to nut 3 to 5 one sides when removing, can lock splint 4, realize the function of auto-lock promptly, when 5 antiport of main screw, lead to nut 3 to keeping away from 5 one sides of main screw and remove, can prevent under the effect of locking washer 6 that moves nut 3, and because second screw 52 is opposite with first screw 51's screw thread direction, can make threaded sleeve 7 to the one side removal that is close to main screw 5, and then tighten up locking washer 6 and reach the purpose that nut 3 tightens up, auto-lock and tightening up are realized in triple protection, can prevent effectively that stockbridge damper 1 from taking place to become flexible, the displacement and drop, and then improve overhead transmission line's security and reliability of operation.
Example 2
As shown in fig. 2-3, the self-locking device for the shockproof hammer comprises a main screw rod 5, and a nut 3, a loosening-preventing washer 6 and a threaded sleeve 7 which are sequentially sleeved on the main screw rod 5, wherein the main screw rod 5 comprises a first screw rod 51 and a second screw rod 52, the first screw rod 51 and the second screw rod 52 are integrally designed and have opposite thread directions, the nut 3 and the loosening-preventing washer 6 are both in threaded connection with the first screw rod 51, the threaded sleeve 7 is in threaded connection with the second screw rod 52, and two end faces of the loosening-preventing washer 6 are respectively in contact with end faces of the nut 3 and the threaded sleeve 7.
The structural schematic diagram of the main screw 5 is shown in fig. 4, the diameter of the second screw 52 is slightly smaller than that of the first screw 51, and one end of the threaded sleeve 7 is provided with a circular groove 8, the diameter of which is larger than or equal to that of the first screw 51.
The utility model discloses still including cap type screw rod 9, cap type screw rod 9's structural schematic is shown in fig. 5, cap type screw rod 9 is located threaded sleeve 7 and keeps away from the one end of locking packing ring 6 that moves, second screw rod 52's surface is seted up rather than axial vertically screw hole 10, cap type screw rod 9 passes through screw hole 10 and second screw rod 52 threaded connection.
As shown in fig. 6, two symmetrical U-shaped grooves 11 are formed in one end, away from the anti-loosening gasket 6, of the threaded sleeve 7, the U-shaped grooves 11 are axially parallel to the threaded sleeve 7, the opening of the U-shaped grooves is outward, and the cap-shaped screw 9 is located in the U-shaped grooves 11.
An end face of the threaded sleeve 7 close to the anti-loosening washer 6 and a side face of the nut 3 close to the anti-loosening washer 6 are both provided with radial convex patterns 12 matched with the end face of the anti-loosening washer 6, and the schematic structural diagram of the anti-loosening washer 6 is shown in fig. 7.
When in use, the main screw 5 is arranged in a hole on the clamp plate 4, then the nut 3 is used for fixing, the anti-loosening gasket 6 is arranged at the outer side of the nut 3, the principle of the anti-loosening gasket 6 is very simple, the anti-loosening gasket 6 consists of two gaskets, the outer side is provided with the radial convex patterns 12, the inner side is a bevel surface (not shown in the figure), when in assembly, the two bevel surfaces at the inner side are opposite, the 12 surfaces at the outer side and the contact surfaces at two ends form an occlusion state, when the main screw 5 and the nut 3 are vibrated and the nut 3 is enabled to have a loosening trend, only the bevel surfaces at the inner sides of the two gaskets are allowed to relatively stagger to generate lifting tension, thereby achieving the locking effect, the selected bevel angle of the utility model is 30 degrees, the locking effect is better, after the anti-loosening gasket 6 is arranged, the threaded sleeve 7 is arranged, because the circular groove 8 on the threaded sleeve 7, the nut locking device can be arranged close to the anti-loosening washer 7 under the condition of a first screw 51 with a larger diameter, the end face of a radial convex line 12 of the nut locking device is locked with the anti-loosening washer 6, when the main screw 5 rotates under the condition of environmental factors or other factors, and the nut 3 moves towards one side of the main screw 5, the clamping plate 4 can be locked, namely, the self-locking function is realized, when the main screw 5 rotates reversely, and the nut 3 moves towards one side far away from the main screw 5, the nut 3 can be prevented from moving under the action of the anti-loosening washer 6, and because the thread direction of the second screw 52 is opposite to that of the first screw 51, the thread sleeve 7 can move towards one side close to the main screw 5, the anti-loosening washer 6 is tightened to achieve the purpose of tightening the nut 3, the action of the cap-shaped screw 9 can prevent the thread sleeve 7 from moving towards the opposite direction, and the self-locking and tightening, the vibration damper 1 can be effectively prevented from loosening, displacing and falling off, and the operation safety and reliability of the overhead transmission line are further improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a stockbridge damper self-lock device which characterized in that: the anti-loosening nut comprises a main screw rod, a nut, an anti-loosening gasket and a threaded sleeve, wherein the nut, the anti-loosening gasket and the threaded sleeve are sequentially sleeved on the main screw rod, the main screw rod comprises a first screw rod and a second screw rod, the first screw rod and the second screw rod are integrally designed, the thread directions are opposite, the nut and the anti-loosening gasket are both in threaded connection with the first screw rod, the threaded sleeve is in threaded connection with the second screw rod, and two end faces of the anti-loosening gasket are respectively in contact with the end faces of the nut and the threaded sleeve.
2. The self-locking device of a shakeproof hammer according to claim 1, wherein: the diameter of the second screw is slightly smaller than that of the first screw, and a circular groove with the diameter larger than or equal to that of the first screw is formed in one end of the threaded sleeve.
3. The self-locking device of a shakeproof hammer according to claim 1, wherein: the locking washer is characterized by further comprising a cap-shaped screw rod, the cap-shaped screw rod is located at one end, far away from the anti-loosening washer, of the threaded sleeve, a threaded hole perpendicular to the axial direction of the second screw rod is formed in the surface of the second screw rod, and the cap-shaped screw rod is in threaded connection with the second screw rod through the threaded hole.
4. The self-locking device of a shakeproof hammer according to claim 3, wherein: the one end that the locking packing ring was kept away from to the screw sleeve is seted up two symmetrical U type grooves, U type groove and screw sleeve's axial direction parallel and opening are outwards, cap type screw rod is located U type inslot.
5. The self-locking device of a shakeproof hammer according to claim 1, wherein: one end face of the threaded sleeve, which is close to the anti-loosening washer, and one side face of the nut, which is close to the anti-loosening washer, are provided with radial convex patterns matched with the end face of the anti-loosening washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022813391.2U CN213711574U (en) | 2020-11-27 | 2020-11-27 | Self-locking device of shockproof hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022813391.2U CN213711574U (en) | 2020-11-27 | 2020-11-27 | Self-locking device of shockproof hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711574U true CN213711574U (en) | 2021-07-16 |
Family
ID=76785433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022813391.2U Expired - Fee Related CN213711574U (en) | 2020-11-27 | 2020-11-27 | Self-locking device of shockproof hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711574U (en) |
-
2020
- 2020-11-27 CN CN202022813391.2U patent/CN213711574U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 Termination date: 20211127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |