CN213072070U

CN213072070U - Electric power fitting with insulation protection device

Info

Publication number: CN213072070U
Application number: CN202021957306.3U
Authority: CN
Inventors: 花为淦
Original assignee: Jiangdu City Shuguang Electric Equipment Co ltd
Current assignee: Jiangdu City Shuguang Electric Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-27
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an electric power fitting with an insulation protection device, which comprises a connecting plate and a telescopic rod; connecting plates: the inner part of the connecting plate is provided with a circular groove, the inner wall of the circular groove of the connecting plate is connected with a movable plate in a sliding manner, the lower surface of the connecting plate is provided with a supporting shell, the inside of the supporting shell is communicated with the inside of the circular groove of the connecting plate, a spring is placed on the bottom surface of the inside of the supporting shell, the top end of the spring is contacted with the lower surface of the movable plate, the insides of four corners of the connecting plate are respectively connected with a fixed ring in a rotating manner through a pin shaft, the part of the outer arc surface of the fixed ring, which is close to the center; the telescopic link: fixed connection keeps away from the part at connecting plate center in solid fixed ring extrados, and this take insulation protection device's electric power fitting is fixed firm stable, conveniently adjusts, and the installation environment of adaptable difference has improved practicality, convenient to popularize and use.

Description

Electric power fitting with insulation protection device

Technical Field

The utility model relates to an electric power fitting technical field specifically is an electric power fitting of area insulation protection device.

Background

The overhead transmission line is an important device for transmitting electric power energy and consists of a line tower, a lead, an overhead ground wire and other elements, wherein the lead of an alternating current line comprises A, B, C three phases, and the lead of a direct current line comprises a positive pole and a negative pole. Under certain ice coating and strong wind conditions, uneven eccentric ice coating can be formed on the lead, the aerodynamic performance of the lead is changed, and the lead is easy to vibrate greatly, which is vividly called as waving. The waving can reduce the distance between the wires and cause a discharge trip; the tension of the lead can be increased, the tower collapse and the disconnection can be caused, the main fault threatening the transmission safety is one, and each phase/pole lead of the line with lower voltage is a single lead; each phase/pole conductor of a circuit with higher voltage generally comprises a plurality of sub-conductors which are arranged at a certain distance and in a certain shape, namely split conductors, and is further divided into two-split, three-split, four-split, six-split and eight-split conductors according to the number of the sub-conductors, wherein a spacer is arranged along the split conductors at intervals of tens of meters for supporting and fixing the sub-conductors, the vibration amplitude of the split conductors is reduced by 50% after the spacers are arranged, and the vibration amplitude of the four-split conductors is reduced by 87% -90%, however, the existing four-split spacers are usually fixed structures, and the structure only can select the spacers with matched models when the spacers are added at later stage, and the phenomena of stretching, sagging and the like of the conductors at different degrees can occur after long-time use, so that the spacer selection is very troublesome, and the workload and labor force are increased, and corresponding angle and length between the wires can not be adjusted according to the requirement, so that the use is inconvenient, and therefore, the electric power fitting with the insulation protection device is provided to solve the defects.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a take insulation protection device's electric power gold utensil, fixed firm stable, can adjust contained angle and relative distance between the adjacent wire according to the demand, adaptable different installation environment has improved practicality, and convenient to popularize and use can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric power fitting with an insulation protection device comprises a connecting plate and a telescopic rod;

connecting plates: the inner part of the connecting plate is provided with a circular groove, the inner wall of the circular groove of the connecting plate is connected with a movable plate in a sliding manner, the lower surface of the connecting plate is provided with a supporting shell, the inside of the supporting shell is communicated with the inside of the circular groove of the connecting plate, a spring is placed on the bottom surface of the inside of the supporting shell, the top end of the spring is contacted with the lower surface of the movable plate, the insides of four corners of the connecting plate are respectively connected with a fixed ring in a rotating manner through a pin shaft, the part of the outer arc surface of the fixed ring, which is close to the center;

the telescopic link: the right end of the telescopic rod is rotatably connected with a ceramic connecting column, and a wire clamp is arranged at the right end of the ceramic connecting column;

wherein: still include the slip post, the slip post sets up in the upper surface of removing the dish, and the outer wall of slip post and the rectangular channel inner wall sliding connection that connecting plate upper end middle part set up, the top fixedly connected with block of slip post can effectively carry out the centre gripping to the wire fixed, and is fixed firm stable, can adjust contained angle and relative distance between the adjacent wire according to the demand moreover, and adaptable different installation environment has improved practicality, convenient to popularize and use.

Further, the telescopic link includes outer sleeve, screw rod and lock nut, the part fixed connection at connecting plate center is kept away from to the inboard end of outer sleeve and solid fixed ring extrados, and the internal thread connection of outer sleeve has the screw rod, and the middle part threaded connection of screw rod has lock nut, and lock nut's medial surface and the lateral surface contact of outer sleeve adjust the extension length of fastener, are convenient for adjust according to site environment.

Furthermore, the outside end fixedly connected with circular convex block of screw rod, circular convex block rotates with the recess inner wall that the inboard end of ceramic joint post set up to be connected, prevents that the fastener from twisting when playing insulation protection, improves practicality.

Furthermore, the wire clamp comprises a first arc-shaped clamp, a second arc-shaped clamp and an insulating pad, the first arc-shaped clamp is fixedly connected to the outer side face of the ceramic connecting column, one end, far away from the ceramic connecting column, of the second arc-shaped clamp and the first arc-shaped clamp is rotatably connected through a pin shaft, the insulating pad is connected to the middle portions of the first arc-shaped clamp and the second arc-shaped clamp in a sliding mode, the insulating pad is of a semicircular structure, the positions of the adjacent insulating pads correspond to each other, and the insulating pads clamp and fix wires.

Furthermore, the inner arc surface of the insulating pad is fixedly connected with symmetrically distributed clamping pins, one end, far away from the insulating pad, of each clamping pin is in a pointed cone shape, and the clamping pins can penetrate into the wire, so that the clamping force on the wire is increased, and the fixing is firm.

Compared with the prior art, the beneficial effects of the utility model are that: this take electric power fitting of insulation protection device has following benefit:

opening the first arc clamp, placing a lead on the inner arc surface of the insulation pad corresponding to the second arc clamp, rotating the first arc clamp, driving the insulation pad inside the first arc clamp to tightly clamp the surface of the lead, locking one end of the first arc clamp and one end of the second arc clamp close to the ceramic connecting post through bolts, inserting the clamping pin into the lead under the pressure action of the insulation pad to fix the lead, pressing the cap downwards, downwards extruding the moving disc through the sliding post by the cap, driving the limiting teeth to downwards move by the moving disc to contact with the limiting teeth, rotating the outer sleeve, adjusting the angle of the wire clamp through the screw rod, further adjusting the included angle between the four leads, rotating the screw rod inside the outer sleeve, moving the screw rod inwards relative to the outer sleeve, tensioning the screw rod to the wire clamp through the ceramic connecting post, rotating the locking nut, locking the nut and the outer sleeve to lock and fix the screw rod, and then tighten up four wires, avoid it to wave in the air, this take insulation protection device's electric power fitting can effectively carry out the centre gripping to the wire fixed, and is fixed firm stable, can adjust contained angle and relative distance between the adjacent wire according to the demand moreover, and the installation environment of adaptable difference has improved practicality, convenient to popularize and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

fig. 4 is a schematic view of the wire clamp of the present invention with a partially cut-away plane structure;

fig. 5 is a schematic view of the structure of the connection between the telescopic rod and the ceramic connecting column of the present invention.

In the figure: the device comprises a connecting plate 1, a cutting groove 101, a moving plate 2, a limit tooth 201, a sliding column 3, a cap 4, a telescopic rod 5, an outer sleeve 51, a screw rod 52, a locking nut 53, a round convex block 521, a ceramic connecting column 6, a wire clamp 7, a first arc-shaped clamp 71, a second arc-shaped clamp 72, an insulating pad 73, a clamping pin 731, a fixing ring 8, a tooth 81, a supporting shell 9 and a spring 10.

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. 1-5, the present invention provides a technical solution: an electric power fitting with an insulation protection device comprises a connecting plate 1 and a telescopic rod 5;

connecting plate 1: a circular groove is formed in the connecting plate, a moving plate 2 is connected to the inner wall of the circular groove of the connecting plate 1 in a sliding mode, a supporting shell 9 is arranged on the lower surface of the connecting plate 1, the inside of the supporting shell 9 is communicated with the inside of the circular groove of the connecting plate 1, a spring 10 is placed on the bottom surface of the inside of the supporting shell 9, the top end of the spring 10 is in contact with the lower surface of the moving plate 2, fixing rings 8 are rotatably connected to the insides of four corners of the connecting plate 1 through pin shafts, teeth 81 are arranged on the parts, close to the center of the connecting plate 1, of the outer arc surfaces of the fixing rings 8, limiting teeth 201 are symmetrically;

the telescopic rod 5: the wire clamp 7 is fixedly connected to the part, far away from the center of the connecting plate 1, of the outer arc surface of the fixing ring 8, the right end of the telescopic rod 5 is rotatably connected with the ceramic connecting column 6, the right end of the ceramic connecting column 6 is provided with the wire clamp 7, the wire clamp 7 comprises a first arc-shaped clamp 71, a second arc-shaped clamp 72 and an insulating pad 73, the first arc-shaped clamp 71 is fixedly connected to the outer side surface of the ceramic connecting column 6, the second arc-shaped clamp 72 is rotatably connected with one end, far away from the ceramic connecting column 6, of the first arc-shaped clamp 71, the middle parts of the first arc-shaped clamp 71 and the second arc-shaped clamp 72 are both slidably connected with the insulating pad 73, the insulating pad 73 is of a semicircular structure, the adjacent insulating pads 73 correspond in position, the inner arc surfaces of the insulating pads 73 are fixedly connected with symmetrically distributed clamping pins 731, one end, far away from the insulating pad 73, of the, then the first arc-shaped clamp 71 is rotated, the first arc-shaped clamp 71 drives the insulating pad 73 inside the first arc-shaped clamp 71 to press and clamp the surface of the lead, one end, close to the ceramic connecting column 6, of the first arc-shaped clamp 71 and one end, close to the ceramic connecting column 6, of the second arc-shaped clamp 72 are locked through bolts, the clamping pin 731 is inserted into the lead under the pressure action of the insulating pad 73 to fix the lead, the telescopic rod 5 comprises an outer sleeve 51, a screw rod 52 and a locking nut 53, the inner side end of the outer sleeve 51 is fixedly connected with the part, far away from the center of the connecting plate 1, of the outer cambered surface of the fixing ring 8, the screw rod 52 is connected with the inner thread of the outer sleeve 51, the locking nut 53 is connected with the middle thread of the screw rod 52, the inner side face of the locking nut 53 is in contact with the outer side face of, the locking nut 53 is rotated, the locking nut 53 and the outer sleeve 51 lock and fix the screw rod 52, then four wires are tightened, the wires are prevented from galloping in the air, the end of the outer side of the screw rod 52 is fixedly connected with the circular bump 521, and the circular bump 521 is rotatably connected with the inner wall of the groove formed in the end of the inner side of the ceramic connecting column 6.

Wherein: still include slip post 3, slip post 3 sets up in the upper surface that removes dish 2, the rectangular channel inner wall sliding connection that the outer wall of

slip post

3 and 1 upper end middle part of connecting plate set up, the top fixedly connected with block 4 of slip post 3, press down block 4, block 4 pushes down through slip post 3 and removes dish 2, it drives spacing tooth 201 downstream to remove dish 2, the contact is spacing to tooth 81, then rotatory outer sleeve 51, adjust the angle of fastener 7 through screw rod 52, and then adjust the contained angle between four wires.

When in use: opening the first arc-shaped clamp 71, placing a lead on the inner arc surface of the insulating pad 73 corresponding to the second arc-shaped clamp 72, then rotating the first arc-shaped clamp 71, driving the insulating pad 73 in the first arc-shaped clamp 71 to press and clamp the surface of the lead, locking one ends of the first arc-shaped clamp 71 and the second arc-shaped clamp 72 close to the ceramic connecting column 6 through bolts, inserting the clamping pin 731 into the lead under the pressure action of the insulating pad 73 to fix the lead, pressing the cap 4 downwards through the sliding column 3 to press the movable disc 2, driving the limiting teeth 201 to move downwards by the movable disc 2 to contact with the limiting teeth 81, then rotating the outer sleeve 51, adjusting the angle of the wire clamp 7 through the screw 52, further adjusting the included angle between the four leads, then rotating the screw 52, rotating the screw 52 in the outer sleeve 51, and moving the screw 52 inwards relative to the outer sleeve 51, the screw 52 tightens the wire clamp 7 through the ceramic connecting column 6, the locking nut 53 is rotated, the locking nut 53 and the outer sleeve 51 lock and fix the screw 52, and then the four wires are tightened to avoid galloping in the air.

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 take insulation protection device's electric power fitting which characterized in that: comprises a connecting plate (1) and a telescopic rod (5);

connecting plate (1): the inner part of the connecting plate is provided with a circular groove, the inner wall of the circular groove of the connecting plate (1) is connected with a movable plate (2) in a sliding manner, the lower surface of the connecting plate (1) is provided with a supporting shell (9), the inside of the supporting shell (9) is communicated with the inside of the circular groove of the connecting plate (1), a spring (10) is placed on the inner bottom surface of the supporting shell (9), the top end of the spring (10) is contacted with the lower surface of the movable plate (2), the insides of four corners of the connecting plate (1) are respectively connected with a fixing ring (8) through a pin shaft in a rotating manner, teeth (81) are arranged on the part, close to the center of the connecting plate (1), of the outer arc surface of the fixing ring (8), limiting teeth (201) are;

telescopic rod (5): the part of the outer arc surface of the fixed ring (8) far away from the center of the connecting plate (1) is fixedly connected, the right end of the telescopic rod (5) is rotatably connected with a ceramic connecting column (6), and the right end of the ceramic connecting column (6) is provided with a wire clamp (7);

wherein: still include slip post (3), slip post (3) set up in the upper surface of removal dish (2), the rectangular channel inner wall sliding connection that the outer wall of slip post (3) and connecting plate (1) upper end middle part set up, the top fixedly connected with block (4) of slip post (3).

2. The electric power fitting with the insulation protection device according to claim 1, wherein: the telescopic rod (5) comprises an outer sleeve (51), a screw rod (52) and a locking nut (53), the inner side end of the outer sleeve (51) is fixedly connected with the outer arc surface of the fixing ring (8) away from the center of the connecting plate (1), the screw rod (52) is connected with the inner thread of the outer sleeve (51), the locking nut (53) is connected with the middle thread of the screw rod (52), and the inner side surface of the locking nut (53) is in contact with the outer side surface of the outer sleeve (51).

3. The electric power fitting with the insulation protection device according to claim 2, wherein: the outer end of the screw rod (52) is fixedly connected with a round bump (521), and the round bump (521) is rotatably connected with the inner wall of a groove formed in the inner end of the ceramic connecting column (6).

4. The electric power fitting with the insulation protection device according to claim 1, wherein: the wire clamp (7) comprises a first arc-shaped clamp (71), a second arc-shaped clamp (72) and an insulating pad (73), the first arc-shaped clamp (71) is fixedly connected to the outer side face of the ceramic connecting column (6), the second arc-shaped clamp (72) is rotatably connected with one end, far away from the ceramic connecting column (6), of the first arc-shaped clamp (71) through a pin shaft, the insulating pad (73) is connected to the middle portions of the first arc-shaped clamp (71) and the second arc-shaped clamp (72) in a sliding mode, the insulating pad (73) is of a semicircular structure, and the adjacent insulating pad (73) corresponds in position.

5. The electric power fitting with the insulation protection device according to claim 4, wherein: the inner arc surface of the insulating pad (73) is fixedly connected with symmetrically distributed clamping pins (731), and one end, far away from the insulating pad (73), of each clamping pin (731) is in a pointed cone shape.