CN214850376U

CN214850376U - Connecting fitting for high-voltage power grid

Info

Publication number: CN214850376U
Application number: CN202120771301.XU
Authority: CN
Inventors: 李祥; 李宁
Original assignee: Anhui Yunxiang Energy Construction Group Co ltd
Current assignee: Anhui Yunxiang Energy Construction Group Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-23
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to the technical field of electric power fittings, in particular to a connecting fitting for a high-voltage electric network, a plurality of adjusting grooves are uniformly arranged on the outer wall of the fixing ring along the ring shape, the bottom ends of the screw rods are respectively clamped in the adjusting grooves in a sliding manner, a backing plate is sleeved at the position of the periphery of the screw corresponding to the outer wall of the fixing ring, fixing sleeves are respectively sleeved at the positions of the screw corresponding to the surface of the backing plate in a threaded manner, the outer end of the screw rod is in threaded sleeve connection with a threaded sleeve, the hoop is connected with the outer end of the threaded sleeve, the inner end of the threaded sleeve is rotatably sleeved with a rotating lantern ring, the inner end surface of the rotating lantern ring is vertically and fixedly connected with an extension plate, a jacking bolt is sleeved on the outer wall of the extension plate in a threaded manner, a strip-shaped groove is formed in the outer wall of the screw rod along the axial direction, and the width of the strip-shaped groove is equal to the outer diameter of the jacking bolt; the problem of the electric power link fitting be difficult to carry out nimble adjustment according to the design interval between the split conductor is solved.

Description

Connecting fitting for high-voltage power grid

Technical Field

The utility model relates to an electric power fitting technical field specifically is a link fitting for high voltage electric network.

Background

An electric power fitting is a metal accessory which is used for connecting and combining various devices in an electric power system and plays a role in transmitting mechanical load, electrical load and certain protection. The widely used metal accessories of iron or aluminum for the power transmission line are collectively called as hardware fittings. The hardware has a variety of types and uses, for example, various wire clamps for installing wires, various suspension loops for forming insulator strings, various crimping tubes and repair tubes for connecting the wires, various spacers on split wires, and the like.

The spacing rod is a hardware fitting which is arranged on the split conductors and used for fixing the spacing between the split conductors so as to prevent the conductors from mutually whipping and inhibit breeze vibration and subspan vibration. Two, four or more split conductors are used for each phase of conductor in a long-distance and large-capacity ultrahigh voltage transmission line, and in order to ensure that the distance between the split conductor wire harnesses is kept unchanged to meet the electrical performance, reduce the surface potential gradient, and under the condition of short circuit, the wire harnesses cannot generate electromagnetic force to cause mutual attraction collision or cause instant attraction collision, but can be restored to a normal state after the accident is eliminated, so that spacing rods are arranged in a gear at a certain distance. At present, current electric power link fitting is when using, generally through adjusting the interval between the pole control division wire, but adjusts the extension length of pole and can't adjust, and then this type link fitting can't be general between the power transmission line of different intervals, and the adaptation effect that leads to link fitting is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to solve present electric power link fitting and be difficult to carry out the problem of nimble adjustment according to the design interval between the split conductor, designed a link fitting for high-voltage electric network.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting hardware fitting for a high-voltage power grid comprises a fixing ring, a hoop, a screw rod and a threaded sleeve, a plurality of adjusting grooves are uniformly arranged on the outer wall of the fixing ring along the ring shape, the bottom ends of the screw rods are respectively clamped in the adjusting grooves in a sliding manner, a backing plate is sleeved at the position of the periphery of the screw corresponding to the outer wall of the fixing ring, fixing sleeves are respectively sleeved at the positions of the screw corresponding to the surface of the backing plate in a threaded manner, the outer end of the screw rod is in threaded sleeve connection with a threaded sleeve, the hoop is connected with the outer end of the threaded sleeve, the inner end of the threaded sleeve is rotatably sleeved with a rotating lantern ring, the inner end surface of the rotating lantern ring is vertically and fixedly connected with an extension plate, the outer wall thread of extension board has cup jointed the puller bolt, the outer wall of screw rod has seted up the bar recess along the axial, the width of bar recess equals the external diameter of puller bolt.

Preferably, the perpendicular fixedly connected with end plate in bottom of screw rod, the outer wall of end plate is ARC structure, and the diameter of cambered surface equals solid fixed ring's internal diameter, the width of end plate is greater than the width of adjustment tank.

Preferably, the width of the backing plate is greater than that of the adjusting groove, the inner wall of the adjusting groove is of an arc surface structure, and the diameter of the arc surface is equal to the outer diameter of the fixing ring.

Preferably, the wall body of the fixing sleeve is sleeved with an operating rod in a sliding manner.

Preferably, the hoop includes a fixed semi-ring and a movable semi-ring, the middle part of the outer side of the fixed semi-ring is fixedly connected with the outer end of the threaded sleeve, the two ends of the movable semi-ring are fixedly connected with the two ends of the fixed semi-ring by bolts, a flexible guard ring is sleeved in an inner cavity formed by the fixed semi-ring and the movable semi-ring, and the flexible guard ring is of an annular structure provided with an opening.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a link fitting for high voltage electric network can be convenient for carry out nimble regulation according to split conductor's design installation form and design interval, has improved link fitting's adaptability greatly.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is a schematic side view of the fixing ring of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the screw rod of the present invention;

fig. 4 is a schematic perspective view of the backing plate of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the fixing sleeve of the present invention;

fig. 6 is a schematic perspective view of the rotating collar of the present invention.

In the figure: 10-a fixed ring; 11-an adjustment tank; 20-a screw; 21-an end plate; 22-a strip-shaped groove; 30-a threaded sleeve; 40-a hoop; 41-stationary half ring; 42-a movable half ring; 50-a backing plate; 51-perforation; 60-fixing a sleeve; 61-operating lever; 70-rotating the collar; 71-an extension plate; 72-tightening the bolt; 80-a flexible retainer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-6, the present invention provides a technical solution, a link fitting for a high voltage power grid, including a fixing ring 10 and a hoop 40, further including a screw 20 and a threaded sleeve 30, the outer wall of the fixing ring 10 is uniformly provided with a plurality of adjusting grooves 11 along an annular shape, the bottom end of the screw 20 is slidably engaged in the adjusting grooves 11 respectively, the periphery of the screw 20 is sleeved with a backing plate 50 at a position corresponding to the outer wall of the fixing ring 10, the screw 20 is respectively sleeved with a fixing sleeve 60 at a position corresponding to the surface of the backing plate 50, the outer end of the screw 20 is sleeved with the threaded sleeve 30, the hoop 40 is connected to the outer end of the threaded sleeve 30, the inner end of the threaded sleeve 30 is rotatably sleeved with a rotating collar 70, the inner end face of the rotating collar 70 is fixedly connected with an extension plate 71 vertically, the outer wall of the extension plate 71 is sleeved with a tightening bolt 72, the outer wall of the screw 20 is provided with a bar-shaped groove 22 along an axial direction, the width of the strip-shaped groove 22 is equal to the outer diameter of the tightening bolt 72.

In this embodiment, the bottom end of the screw rod 20 is vertically and fixedly connected with the end plate 21, the outer wall of the end plate 21 is of an arc surface structure, the diameter of the arc surface is equal to the inner diameter of the fixing ring 10, and the width of the end plate 21 is greater than the width of the adjusting groove 11.

In this embodiment, the width of the backing plate 50 is greater than the width of the adjusting groove 11, the inner wall of the adjusting groove 11 is of an arc structure, and the diameter of the arc is equal to the outer diameter of the fixing ring 10.

In this embodiment, the wall of the fixing sleeve 60 is slidably sleeved with the operating rod 61.

In this embodiment, the hoop ring 40 includes a fixed half ring 41 and a movable half ring 42, the middle portion of the outer side of the fixed half ring 41 is fixedly connected to the outer end of the threaded sleeve 30, the two ends of the movable half ring 42 are fixedly connected to the two ends of the fixed half ring 41 by bolts, a flexible protection ring 80 is sleeved in the inner cavity formed by the fixed half ring 41 and the movable half ring 42, and the flexible protection ring 80 is an annular structure with an opening.

The working principle is as follows: when the split conductor fixing device is used, the position of the inner end of the screw rod 20 in the adjusting groove 11 is adjusted according to the installation form of the split conductor, and after the position is adjusted, the fixing sleeve 60 is fastened through the operating rod 61, so that the fixing sleeve 60 tightly presses and holds the base plate 50 on the surface of the fixing ring 10, and the effect of fixing the position of the screw rod 20 is achieved; then, according to the distance between the split conductors, the threaded sleeve 30 is rotated to adjust the telescopic length of the threaded sleeve 30 relative to the screw rod 20, after the telescopic length is adjusted, the rotating lantern ring 70 is rotated to enable the extension plates 71 to respectively correspond to the strip-shaped grooves 22, and the tightening bolts 72 are fastened to enable the tightening bolts 72 to be tightened in the strip-shaped grooves 22, so that the effect of improving the connection stability between the screw rod 20 and the threaded sleeve 30 is achieved; the flexible retainer 80 is used to directly fit over the split conductor and then connect the stationary half ring 41 and the movable half ring 42 to secure the split conductor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a link fitting for high voltage electric network, includes solid fixed ring (10) and hoop (40), its characterized in that: the screw rod (20) and the threaded sleeve (30) are further included, a plurality of adjusting grooves (11) are uniformly formed in the outer wall of the fixing ring (10) along the annular shape, the bottom end of the screw rod (20) is respectively connected with the adjusting grooves (11) in a sliding mode in a clamping mode, the base plate (50) is sleeved at the position, corresponding to the outer wall of the fixing ring (10), of the screw rod (20), the fixing sleeve (60) is sleeved at the position, corresponding to the surface of the base plate (50), of the screw rod (20) in a threaded mode, the threaded sleeve (30) is sleeved at the outer end of the screw rod (20), the hoop ring (40) is connected to the outer end of the threaded sleeve (30), the rotating sleeve ring (70) is sleeved at the inner end of the threaded sleeve (30), the extending plate (71) is fixedly connected to the inner end face of the rotating sleeve ring (70) in a vertical mode, and the outer wall thread of the extending plate (71) is sleeved with a tightening bolt (72), the outer wall of the screw rod (20) is provided with a strip-shaped groove (22) along the axial direction, and the width of the strip-shaped groove (22) is equal to the outer diameter of the tightening bolt (72).

2. The link fitting for the high-voltage power grid according to claim 1, characterized in that: the perpendicular fixedly connected with end plate (21) in bottom of screw rod (20), the outer wall of end plate (21) is ARC structure, and the diameter of cambered surface equals the internal diameter of solid fixed ring (10), the width of end plate (21) is greater than the width of adjustment tank (11).

3. The link fitting for the high-voltage power grid according to claim 2, characterized in that: the width of backing plate (50) is greater than the width of adjustment tank (11), the inner wall of adjustment tank (11) is the cambered surface structure, and the diameter of cambered surface equals the external diameter of solid fixed ring (10).

4. The link fitting for the high-voltage power grid according to claim 3, wherein: the wall body of the fixed sleeve (60) is sleeved with an operating rod (61) in a sliding mode.

5. The link fitting for the high-voltage power grid according to claim 4, wherein: the hoop (40) comprises a fixed semi-ring (41) and a movable semi-ring (42), the middle part of the outer side of the fixed semi-ring (41) is fixedly connected with the outer end of the threaded sleeve (30), the two ends of the movable semi-ring (42) are fixedly connected with the two ends of the fixed semi-ring (41) through bolts, a flexible guard ring (80) is sleeved in an inner cavity formed by the fixed semi-ring (41) and the movable semi-ring (42), and the flexible guard ring (80) is of an annular structure provided with an opening.