CN220015783U - Nut anti-loosening device for transmission tower - Google Patents

Abstract

The utility model provides a nut locking device for a transmission tower, which comprises a screw, a locking nut and a locking nut, wherein the locking nut is in threaded connection with the bottom of the surface of the screw, the locking nut is in threaded connection with the surface of the screw and is positioned at the bottom of the locking nut, and a gap eliminating sleeve is sleeved on the surface of the screw. The anti-loosening device can eliminate anti-loosening gaps and avoid large-area loosening, so that the problems that the existing anti-loosening positions are always fixed, the nut is loose and large in gap due to the fact that the difference exists between the existing anti-loosening positions and the tightening positions of the nut after installation, and the joint of the tower body part is unstable due to the fact that the nut can be temporarily prevented from falling off are solved.

Description

Nut anti-loosening device for transmission tower

Technical Field

The utility model relates to the technical field of nut looseness prevention, in particular to a nut looseness prevention device for a transmission tower.

Background

The power transmission tower is a supporting point of an overhead line, one loop is erected on the power transmission tower and is a single loop power transmission tower, and two loops are erected on the power transmission tower and are double loop power transmission towers. The single loop refers to a loop loaded with a power supply; the double loop is a loop loaded with 2 power supplies. Generally, enterprises with high requirements on power supply reliability or regional important substations are powered by double-circuit lines, so that one power supply can be protected from power failure due to reasons, the other power supply can continue to supply power, but small and medium users with low requirements on power supply reliability often use single power supply to supply power, and a plurality of bolts are adopted when a power transmission tower is installed and built.

For example, the patent number CN215567187U relates to the field of lockbolts and nuts, and in particular relates to a lockbolt and nut for an electric power tower, which comprises a bolt rod, wherein a first nut is arranged on the outer surface of the bolt rod, and a spring rod is arranged on the outer surface of the bolt rod.

In the prior art, the locknut is provided with a spring rod for anti-falling, but the anti-falling positions of the locknut are always fixed, and the positions of the locknut and the nut are different after the locknut is installed, so that a larger loose gap can be formed between the locknut and the nut, and the locknut can be temporarily prevented from falling, but the loose joint can cause the unstable joint of the tower body part to generate larger friction abnormal sound or cause the shaking friction area of a cable connected at the top to be increased, so that the safety is reduced and the service life of the cable is prolonged.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a nut anti-loosening device for a transmission tower, which can eliminate anti-loosening clearance and avoid large-area loosening, so as to solve the problems that the existing anti-loosening position is usually fixed, the tightening position of the nut is different after installation, the nut can have a larger loosening clearance, and the joint part can be unstable due to loosening although the nut can be temporarily prevented from falling.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a nut locking device for transmission tower, includes screw rod, locknut and lock nut, locknut threaded connection is in screw rod surface bottom, lock nut threaded connection is located locknut's bottom on the screw rod surface, the screw rod surface cover is equipped with the clearance and eliminates the cover, clearance is eliminated cover top threaded connection and is had the adjustment subassembly, the inside locking hole of having seted up of screw rod, locking hole inside grafting has the locking piece.

Further, the adjusting component comprises an adjusting sleeve, the bottom of the adjusting sleeve is in threaded connection with the top of the clearance eliminating sleeve, a threaded cylinder is welded at the top of the clearance eliminating sleeve, and an internal thread in threaded connection with the threaded cylinder is arranged in the adjusting sleeve.

Further, the locating holes are formed in the bottom of the adjusting sleeve, a plurality of locating holes are formed in the locating holes, the locating holes are distributed at equal intervals in an annular mode, guide holes matched with the locating holes in use are formed in the gap eliminating sleeve, and the number of the guide holes is identical to that of the locating holes Kong Kongshu and the guide holes are distributed at equal intervals in an annular mode.

Further, locking nails are inserted into the guide holes and are matched with the positioning holes and the guide holes.

Further, the bending groove is formed in the surface of the adjusting sleeve and matched with the guide hole, and the adjusting sleeve is located at the top of the locknut.

Further, a rubber ring is sleeved on the surface of the screw rod, and the rubber ring is positioned at the bottom of the adjusting sleeve.

The utility model has the beneficial effects that: according to the utility model, the gap elimination sleeve is matched with the adjusting component to eliminate the installation gap between the locknut and the transmission tower installation plate, and the locknut is prevented from falling by inserting the lockpiece into the lockhole, so that the stability after installation is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded perspective view of the present utility model;

fig. 3 is a perspective view of the locking element of the present utility model.

In the figure: 1. a screw; 2. a locknut; 3. locking the nut; 4. a gap eliminating sleeve; 5. an adjustment assembly; 51. adjusting the sleeve; 52. a thread cylinder; 53. an internal thread; 6. a locking hole; 7. a locking piece; 8. positioning holes; 9. a guide hole; 10. locking the nail; 11. a bending groove; 12. a rubber ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, fig. 1 is a schematic structural diagram of the present utility model.

The utility model provides a nut locking device for transmission tower, includes screw rod 1, locknut 2 and locknut 3, locknut 2 threaded connection is in screw rod 1 surface bottom, and locknut 3 threaded connection is located locknut 2's bottom on screw rod 1 surface, and screw rod 1 surface cover is equipped with clearance elimination cover 4, and clearance elimination cover 4 top threaded connection has adjusting part 5, and lockhole 6 has been seted up to screw rod 1 inside, and lockhole 6 inside grafting has locking piece 7.

Referring to fig. 2 and 3, fig. 2 is an exploded perspective view of the present utility model; fig. 3 is a perspective view of the locking element of the present utility model.

The adjusting assembly 5 comprises an adjusting sleeve 51, the bottom of the adjusting sleeve 51 is in threaded connection with the top of the gap eliminating sleeve 4, a threaded cylinder 52 is welded at the top of the gap eliminating sleeve 4, an internal thread 53 in threaded connection with the threaded cylinder 52 is formed in the adjusting sleeve 51, the adjusting sleeve 51 can be matched with the threaded cylinder 52 to be in threaded connection with the gap eliminating sleeve 4 to adjust the abutting thickness, and the abutting space after installation is conveniently eliminated.

The locating hole 8 has been seted up to adjusting sleeve 51 bottom, and locating hole 8 has been seted up a plurality of, and a plurality of locating hole 8 are annular equidistance and distribute, and the inside guiding hole 9 that uses with locating hole 8 cooperation of having seted up of clearance elimination cover 4, and the hole number of guiding hole 9 is the same and all is annular equidistance and distributes with locating hole 8 hole number, and locating hole 8 and guiding hole 9 cooperation can be with locking nail 10 alignment insert the clearance elimination cover 4 after torsion adjustment thickness and adjusting sleeve 51 position lock.

The dead nail 10 of lock is pegged graft to the peg graft in the guiding hole 9, and dead nail 10 of lock is used with locating hole 8 and guiding hole 9 cooperation, and dead nail 10 one end can warp and bend, bends after inserting and can prevent dropping, reaches fine anti-drop effect.

The bending groove 11 is formed in the surface of the adjusting sleeve 51, the bending groove 11 is matched with the guide hole 9 for use, the adjusting sleeve 51 is located at the top of the locknut 2, the bending groove 11 can enable the locking nail 10 to be anastomotic, and one end of the locking nail is prevented from being swung and broken at will.

The surface of the screw 1 is sleeved with the rubber ring 12, the rubber ring 12 is positioned at the bottom of the adjusting sleeve 51, the rubber ring 12 can prevent the top of the lock nut 3 and the lock nut 2 from being rusted after being screwed up with the position of the adjusting sleeve 51, the adjustment of the abutting gap is facilitated, and the gasket is convenient to use.

Working principle: when the transmission tower is installed, the adjusting sleeve 51 is inserted after the screw is inserted, the gap eliminating sleeve 4 is then inserted upwards to be in threaded fit with the adjusting sleeve 51 through the threaded cylinder 52, the locking nail 10 is inserted after a large space is eliminated in a rotating mode, the adjusting sleeve 51 and the gap eliminating sleeve 4 are locked after adjustment, the rubber ring 12 is plugged into the bottom of the adjusting sleeve 51, the locking nut 2 is then arranged in a threaded mode to be abutted against the bottom of the rubber ring 12, the locking nut 3 is arranged in a rotating mode to lock the abutting position, and finally the locking piece 7 is inserted into the locking hole 6 to be bent and prevented from falling, so that the purposes of preventing falling and eliminating the locking gap are achieved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A nut locking device for transmission tower, includes screw rod (1), locknut (2) and lock nut (3), its characterized in that: locknut (2) threaded connection is in screw rod (1) surface bottom, locknut (3) threaded connection is located the bottom of locknut (2) at screw rod (1) surface, screw rod (1) surface cover is equipped with clearance elimination cover (4), clearance elimination cover (4) top threaded connection has adjusting part (5), lockhole (6) have been seted up to screw rod (1) inside, the inside grafting of lockhole (6) has locking piece (7).

2. A nut lock apparatus for a transmission tower according to claim 1, wherein: the adjusting assembly (5) comprises an adjusting sleeve (51), the bottom of the adjusting sleeve (51) is in threaded connection with the top of the clearance eliminating sleeve (4), a threaded cylinder (52) is welded at the top of the clearance eliminating sleeve (4), and an internal thread (53) in threaded connection with the threaded cylinder (52) is formed in the adjusting sleeve (51).

3. A nut lock apparatus for a transmission tower according to claim 2, wherein: locating hole (8) have been seted up to adjusting sleeve (51) bottom, a plurality of has been seted up in locating hole (8), and a plurality of locating hole (8) are annular equidistance and distribute, inside guiding hole (9) that use with locating hole (8) cooperation of having seted up of clearance elimination cover (4), the hole number of guiding hole (9) is the same with locating hole (8) hole number and all is annular equidistance and distributes.

4. A nut lock apparatus for a transmission tower according to claim 3, wherein: the locking nails (10) are inserted into the guide holes (9), and the locking nails (10) are matched with the positioning holes (8) and the guide holes (9).

5. A nut lock apparatus for a transmission tower according to claim 2, wherein: the adjusting sleeve (51) is provided with a bending groove (11) on the surface, the bending groove (11) is matched with the guide hole (9) for use, and the adjusting sleeve (51) is positioned at the top of the locknut (2).

6. A nut lock apparatus for a transmission tower according to claim 2, wherein: the surface of the screw (1) is sleeved with a rubber ring (12), and the rubber ring (12) is positioned at the bottom of the adjusting sleeve (51).