CN221328575U - Telescopic electric power fitting - Google Patents

Abstract

The utility model discloses a telescopic electric power fitting, which relates to the technical field of electric power fittings and comprises a first spacer, wherein a rotating shaft is arranged at the center of the front side of the first spacer, in the telescopic electric power fitting, an operator rotates four adjusting bolts so as to conveniently adjust the distance between an upper group of wires and a lower group of wires or between a left group of wires and a right group of wires, and rotates four positioning bolts so as to conveniently adjust the distance between the wires at the two ends of the first spacer and the distance between the wires at the two ends of the second spacer, thereby conveniently adjusting the distance between a plurality of wires according to different spacing requirements, avoiding the problems of wire fatigue caused by vibration of wires caused by breeze and secondary span oscillation caused by strong wind and wire abrasion caused by loosening of fasteners, avoiding wire collision and whiplash between wires, ensuring enough insulation distance between adjacent wires, and ensuring normal power transmission under the condition of increasing a wire outgoing loop while meeting the requirement of improving transmission capacity of a power transmission line.

Description

Telescopic electric power fitting

Technical Field

The utility model relates to the technical field of electric power fittings, in particular to a telescopic electric power fitting.

Background

The electric power fitting is a metal accessory which is used for connecting and combining various devices in an electric power system and has the functions of transmitting mechanical load, electric load and certain protection; with the development of the electric power industry in China, the power station construction is quickened, and meanwhile, the power grid construction is quickened synchronously; in the construction of the power transmission line, the urgent problem to be solved is to increase the transmission capacity of the power transmission line, reasonably arrange increasingly tense line corridor, and the most direct method for increasing the transmission capacity of the line is to increase the voltage level and increase the outgoing line loop, the ultra-high voltage compact line adopts a plurality of split conductors, increases the split spacing and reduces the inter-phase distance between adjacent conductors, thereby achieving the purposes of increasing the natural transmission power of the power transmission line and reducing the occupation area of the line corridor; however, the existing telescopic power adjusting pull rod is difficult to clamp the wires, so that the insulation distance between adjacent wires is difficult to adjust, the problems that the wires are tired due to breeze, the wires are worn due to whipping between the wires and loosening of fasteners cannot be avoided, meanwhile, breeze vibration and secondary span oscillation cannot be restrained, and the problem that normal power transmission is difficult to ensure under the condition that the transmission capacity of a power transmission line is improved and an outgoing line loop is increased is solved.

The prior patent (publication No. CN 216436635U) discloses a telescopic electric power adjusting pull rod, which comprises a sleeve, wherein two ends of the sleeve are respectively inserted with a sliding rod, a first bolt is arranged on the sleeve, a plurality of first fixing holes are formed in the sliding rods, the first bolt penetrates through one of the first fixing holes, and the two sliding rods are fixed at two ends of the sleeve; the two slide bars are connected with screw rods in a threaded manner, and the screw rods are fixedly provided with connectors; the connecting rings are fixedly connected to the sleeve, the connecting rods are fixedly connected to the connecting rings, and the hanging rings are fixed to the connecting rods, so that the telescopic power adjusting pull rod is more convenient to connect, is more tense and not loose after connection, can be connected to other power equipment for pulling and holding and fixing, and improves the stability of the telescopic power adjusting pull rod; in the implementation process of the scheme, the wires are difficult to clamp, so that the insulation distance between adjacent wires is difficult to adjust, the problems that breeze causes fatigue of the wires, whipping between the wires and loosening of fasteners causes abrasion of the wires cannot be avoided, breeze vibration and secondary span oscillation cannot be restrained, and the problem that normal power transmission is difficult to ensure under the condition that the transmission capacity of a power transmission line is improved and an outgoing line loop is increased is solved.

For this reason, it is necessary to provide a telescopic electric power fitting to solve the above technical problems.

Disclosure of utility model

The utility model provides a telescopic electric power fitting, which solves the problems that the insulation distance between adjacent wires is difficult to adjust by the existing telescopic electric power adjusting pull rod, so that fatigue of the wires and abrasion of the wires caused by whip striking between the wires and loosening of fasteners caused by breeze cannot be avoided, and meanwhile, breeze vibration and secondary span oscillation cannot be restrained, and the technical problem that normal power transmission is difficult to ensure under the condition that the transmission capacity of a power transmission line is increased and an outgoing line loop is increased is solved.

In order to solve the technical problems, the telescopic electric power fitting provided by the utility model comprises a first spacer, wherein a rotating shaft is arranged at the center of the front side of the first spacer, the outer wall of the rotating shaft is rotationally connected with a second spacer, one end of the rotating shaft extending to the outside of the second spacer is provided with a limiting block, the limiting block is attached to the front side of the second spacer, the front side of the limiting block is in threaded connection with a plurality of adjusting bolts, the threaded ends of the adjusting bolts are abutted against the front side of the second spacer, slots are formed in the two ends of the first spacer and the second spacer, the inner walls of the slots are in sliding connection with slide bars, the front sides of the first spacer and the second spacer are in threaded connection with two positioning bolts, and the threaded ends of the four positioning bolts are abutted against the front sides of the four slide bars respectively.

Preferably, the fixed component is arranged on the sliding rod, the fixed component comprises a movable groove and a groove which are formed in one side of the sliding rod, the inner wall of the movable groove is rotationally connected with a rotating block, a clamping block matched with the groove is arranged at the top of the rotating block, arc-shaped grooves are formed in one sides, opposite to the clamping block, of the sliding rod, and a fixing bolt in threaded connection with the sliding rod is inserted into the other side of the clamping block.

Preferably, the threaded end of the fixing bolt is sleeved with a third elastic gasket, the threaded end of the adjusting bolt is sleeved with a first elastic gasket, and the threaded end of the positioning bolt is sleeved with a second elastic gasket.

Preferably, an anti-slip pad is arranged on the inner wall of the arc-shaped groove.

Preferably, the anti-slip pad is made of rubber.

Preferably, the inner wall of the anti-slip pad is integrally formed with anti-slip particles.

Preferably, a protective sleeve is sleeved at the top end of the sliding rod.

Preferably, guide blocks are arranged on two sides of the sliding rod, and guide grooves matched with the guide blocks are formed in the inner walls of the slots.

Compared with the related art, the telescopic electric power fitting provided by the utility model has the following beneficial effects:

1. According to the utility model, an operator rotates four adjusting bolts conveniently to adjust the included angle between the first spacing rod and the second spacing rod, so that the distance between the upper and lower groups of wires or the left and right groups of wires is convenient to adjust, the operator rotates four positioning bolts conveniently to adjust the positions of four sliding rods on the two ends of the first spacing rod and the second spacing rod respectively, and further the distance between the wires on the two ends of the first spacing rod and the distance between the wires on the two ends of the second spacing rod are convenient to adjust, therefore, the distance between the wires is convenient to adjust according to different spacing requirements, the problems that wires are tired due to vibration of the wires caused by breeze and secondary span oscillation caused by strong wind and the wires are worn due to loosening of fasteners are avoided, meanwhile, the collision and whipping between the wires are avoided, the enough insulation distance between the adjacent wires is ensured, and the normal transmission of electric power is ensured under the condition that the transmission capacity of a wire transmission loop is increased is met.

2. According to the utility model, an operator rotates the fixing bolt, the threaded end of the fixing bolt is far away from or is in threaded connection with the sliding rod, the rotating block is rotated through the movable groove, and the clamping block is far away from or is attached to the sliding rod, so that the wire is conveniently clamped through the arc-shaped groove, the wire is conveniently clamped under the condition that the wire is not damaged, the wire is conveniently far away from a fastening piece of the wire and is used at a position which is easily influenced by breeze or strong wind, vibration energy of the wire is consumed by arranging and utilizing the damping action of the anti-slip pad, the vibration of the wire is damped, whip between the wires is further prevented, breeze vibration and secondary gear oscillation are restrained, and further the problems that the wire is tired due to breeze and the fastening piece loosens and is worn due to the wire are avoided again.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a telescopic electric power fitting;

FIG. 2 is a schematic view of the structure of a slide bar in a telescopic electric power fitting;

FIG. 3 is a schematic cross-sectional view of a second spacer in a telescopic power fitting;

Fig. 4 is an enlarged view of the structure at a in fig. 1.

Reference numerals in the drawings: 1. a first spacer; 2. a rotating shaft; 3. a second spacer; 4. a limiting block; 5. an adjusting bolt; 6. a slot; 7. a slide bar; 8. positioning bolts; 9. a movable groove; 10. a groove; 11. a rotating block; 12. clamping blocks; 13. an arc-shaped groove; 14. a fixing bolt; 15. a first elastic pad; 16. a second elastic pad; 17. a third elastic pad; 18. an anti-slip pad; 19. a protective sleeve; 20. a guide block; 21. a guide groove.

Detailed Description

Embodiments of the present utility model are described in detail below.

In the first embodiment, as shown in fig. 1, 3 and 4, a telescopic electric power fitting includes a first spacer 1, a rotating shaft 2 is fixedly installed at the center of the front side of the first spacer 1, a second spacer 3 is rotationally connected to the outer wall of the rotating shaft 2, a limiting block 4 is fixedly installed at one end of the rotating shaft 2 extending to the outside of the second spacer 3, the limiting block 4 is attached to the front side of the second spacer 3, a plurality of adjusting bolts 5 are screwed to the front side of the limiting block 4, the threaded ends of the adjusting bolts 5 are abutted to the front side of the second spacer 3, slots 6 are respectively formed at the two ends of the first spacer 1 and the second spacer 3, two positioning bolts 8 are connected to the inner wall of the slots 6 in a sliding manner, the threaded ends of the first spacer 1 and the front side of the second spacer 3 are abutted to the front sides of the four positioning bolts 8, the operator rotates four adjusting bolts 5 to conveniently adjust the included angle between the first spacing rod 1 and the second spacing rod 3, thereby being convenient for adjusting the distance between the upper and lower two groups of wires or the left and right two groups of wires, the operator rotates four positioning bolts 8 to conveniently adjust the positions of four sliding rods 7 on the two ends of the first spacing rod 1 and the second spacing rod 3 respectively, thereby being convenient for adjusting the distance between the wires on the two ends of the first spacing rod 1 and the distance between the wires on the two ends of the second spacing rod 3, thereby being convenient for adjusting the distance between a plurality of wires according to different spacing requirements, avoiding the problems of wire fatigue caused by wire vibration caused by breeze and secondary spacing oscillation caused by strong wind and wire abrasion caused by loosening of fasteners, avoiding wire collision and whiplash between wires, ensuring enough insulation distance between adjacent wires, the normal transmission of electric power is ensured under the condition that the transmission capacity of the transmission line is improved and the outgoing line loop is increased.

In addition, to slide bar 7, its top cover is equipped with protective sheath 19, through setting up protective sheath 19, to slide bar 7 and clamp splice 12 parcel when not using, carry out fine protection before using slide bar 7 and clamp splice 12, and then prolonged slide bar 7 and clamp splice 12's life, slide bar 7's both sides equal fixed mounting has guide block 20, guide slot 21 with guide block 20 looks adaptation has been seted up to the inner wall of slot 6, through setting up guide block 20 and guide slot 21, it is spacing and the direction to the removal of slide bar 7 in slot 6, ensure that slide bar 7 is difficult for breaking away from slot 6.

On the basis of the second embodiment, referring to fig. 2, a fixing component is arranged on the sliding rod 7, the fixing component comprises a movable groove 9 and a groove 10 which are formed on one side of the sliding rod 7, the inner wall of the movable groove 9 is rotationally connected with a rotary block 11, the top of the rotary block 11 is fixedly provided with a clamping block 12 which is matched with the groove 10, one side, opposite to the sliding rod 7, of the clamping block 12 is provided with an arc groove 13, the other side of the clamping block 12 is inserted with a fixing bolt 14 which is in threaded connection with the sliding rod 7, an operator rotates the fixing bolt 14, the threaded end of the fixing bolt 14 is far away from or is in threaded connection with the sliding rod 7, and the rotary block 11 is rotated through the movable groove 9, so that the clamping block 12 is far away from or is attached to the sliding rod 7, and a wire is conveniently clamped through the arc groove 13, so that the wire is conveniently clamped under the condition that the wire is not damaged, and the wire is conveniently far away from a fastener and used at a position which is easily affected by breeze or strong wind.

In addition, for the fixing bolt 14, the adjusting bolt 5 and the positioning bolt 8, the threaded ends of the fixing bolt 14, the adjusting bolt 5 and the positioning bolt 8 are respectively sleeved with a third elastic gasket 17, a first elastic gasket 15 and a second elastic gasket 16, and the pressure between the fixing bolt 14 and the clamping block 12, between the adjusting bolt 5 and the limiting block 4 and between the positioning bolt 8 and the second spacing rod 3 and between the positioning bolt 8 and the first spacing rod 1 is respectively reduced by arranging the third elastic gasket 17, the first elastic gasket 15 and the second elastic gasket 16, and the fixing bolt 14, the adjusting bolt 5 and the positioning bolt 8 are prevented from loosening.

In addition, to arc wall 13, its inner wall fixed mounting has slipmat 18, through setting up slipmat 18, the frictional force of wire in arc wall 13 has been increased, ensure that the wire is held more stably, the material of slipmat 18 is rubber, rubber is the high elastic polymer material that has reversible deformation, rich elasticity, can produce great deformation under very little exogenic action, can resume the original form after removing the exogenic force, through setting up and utilizing the damping action of slipmat 18, consume the vibration energy of wire, produce damping action to the wire vibration, further prevent whipping between the wire, inhibit breeze vibration and subspan vibration simultaneously, and then avoid breeze to lead to wire fatigue and fastener not hard up make the problem of wire wearing and tearing, the inner wall integrated into one piece of slipmat 18 has anti-skidding granule, through setting up anti-skidding granule, the frictional force between slipmat 18 and the wire has been increased, ensure that the wire is difficult for sliding in slipmat 18, ensured more stable that the wire is held again.

Working principle:

Under the condition that the transmission capacity of the transmission line is improved and an outgoing line loop is increased, the problems that the wires are tired and the wires are worn due to whip between the wires and the fastener loosens are avoided when:

The four adjusting bolts 5 are rotated by the operator, so that the included angle between the first spacing rod 1 and the second spacing rod 3 is conveniently adjusted, the distance between the upper and lower two groups of wires or the left and right two groups of wires is conveniently adjusted, the four positioning bolts 8 are rotated by the operator, the positions of the four sliding rods 7 on the two ends of the first spacing rod 1 and the second spacing rod 3 are conveniently adjusted, the distance between the wires at the two ends of the first spacing rod 1 and the distance between the wires at the two ends of the second spacing rod 3 are conveniently adjusted, the distance between the wires is conveniently adjusted according to different spacing requirements, the problems that wires are tired due to wire fatigue caused by breeze and secondary span oscillation caused by strong wind and the fasteners are loosened to lead to wear the wires are avoided, meanwhile, the collision and whip between the wires are avoided, the sufficient insulation distance between the adjacent wires is ensured, and the normal power transmission is ensured under the condition that the transmission capacity of a power transmission line is improved and a wire outgoing loop is increased.

When clamping the wire:

The operating personnel rotate the fixing bolt 14, keep away from or with slide bar 7 threaded connection with the screw thread end of fixing bolt 14 to rotate rotatory piece 11 through movable groove 9, keep away from or laminating with slide bar 7 with clamp splice 12, thereby conveniently keep away from the wire through arc wall 13 centre gripping wire, therefore conveniently keep away from its fastener and use in the position that easily receives breeze or strong wind influence at the wire under the condition that does not damage the wire, through setting up and utilizing the damping action of slipmat 18, consume the vibration energy of wire, produce damping action to the wire vibration, further prevent whipping between the wire, restrain breeze vibration and subspan vibration simultaneously, and then avoid the breeze to lead to the problem that the wire tired and the fastener becomes flexible makes the wire wearing and tearing again.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a telescopic electric power fitting, includes first conductor spacer (1), its characterized in that, pivot (2) are installed to the center department of first conductor spacer (1) front side, the outer wall rotation of pivot (2) is connected with second conductor spacer (3), and stopper (4) are installed to the outside one end of second conductor spacer (3) is extended to pivot (2), stopper (4) are laminated mutually with the front side of second conductor spacer (3), and the front side threaded connection of stopper (4) has a plurality of adjusting bolt (5), the screw thread end of adjusting bolt (5) offsets with the front side of second conductor spacer (3), slot (6) have all been seted up at the both ends of first conductor spacer (1) and second conductor spacer (3), the inner wall sliding connection of slot (6) has slide bar (7), the equal threaded connection of front side of first conductor spacer (1) and second conductor spacer (3) has two positioning bolt (8), four the screw thread end of positioning bolt (8) is inconsistent with four front sides of slide bar (7) respectively.

2. The telescopic electric power fitting according to claim 1, characterized in that a fixing component is arranged on the sliding rod (7), the fixing component comprises a movable groove (9) and a groove (10) which are formed in one side of the sliding rod (7), a rotating block (11) is rotatably connected to the inner wall of the movable groove (9), a clamping block (12) which is matched with the groove (10) is arranged at the top of the rotating block (11), arc-shaped grooves (13) are formed in one side, opposite to the clamping block (12), of the sliding rod (7), and a fixing bolt (14) which is in threaded connection with the sliding rod (7) is inserted into the other side of the clamping block (12).

3. A telescopic electric power fitting according to claim 2, characterized in that the threaded end of the fixing bolt (14) is sleeved with a third elastic spacer (17), the threaded end of the adjusting bolt (5) is sleeved with a first elastic spacer (15), and the threaded end of the positioning bolt (8) is sleeved with a second elastic spacer (16).

4. A telescopic electric power fitting according to claim 2, characterized in that the inner wall of the arc-shaped groove (13) is provided with a non-slip mat (18).

5. The telescopic electric power fitting according to claim 4, wherein the anti-slip pad (18) is made of rubber.

6. The telescopic electric power fitting according to claim 4, wherein the inner wall of the anti-slip pad (18) is integrally formed with anti-slip particles.

7. A telescopic electric power fitting according to claim 1, characterized in that the top end of the slide bar (7) is sleeved with a protective sleeve (19).

8. The telescopic electric power fitting according to claim 1, characterized in that guide blocks (20) are mounted on two sides of the sliding rod (7), and guide grooves (21) matched with the guide blocks (20) are formed in the inner wall of the slot (6).