CN211699852U

CN211699852U - Large-scale power rod insulator

Info

Publication number: CN211699852U
Application number: CN202020776336.8U
Authority: CN
Inventors: 欧阳方友
Original assignee: Jiangxi Pingxiang Nanxi Electric Porcelain Electric Appliance Manufacturing Co ltd
Current assignee: Jiangxi Pingxiang Nanxi Electric Porcelain Electric Appliance Manufacturing Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-10-16
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to a transmission line technical field discloses a large-scale electric power stick insulator, for the convenient usability that improves large-scale electric power stick insulator, the insulating barred body of upper end passes through the split pin and fixes with bottom insulation barred body block, the bottom mounting of the insulating barred body of upper end has linking cassette, the top of the insulating barred body of bottom is fixed with the location axle sleeve, the below of pressure-bearing loop bar is located both ends position department symmetry and is fixed with arm power frame. The utility model discloses a block of upper end insulating bar and bottom insulating bar, under the fixed of split pin, the staff of being convenient for is to the equipment fixed work of electric power stick insulator, in the use, through the regular triangle atress support that pressure-bearing loop bar and arm strength frame are constituteed, under reset spring's elasticity resets, can reduce the hard atress intensity of electric power stick insulator, avoids the cable to appear collapsing the disconnected condition because of the hard atress intensity of electric power stick insulator that seasonal reason expend with heat and contract with cold leads to is too big.

Description

Large-scale power rod insulator

Technical Field

The utility model relates to a transmission line technical field specifically is a large-scale power rod insulator.

Background

The transmission line is generally erected on the ground and consists of a lead, an overhead ground wire, an insulator string, a pole tower, a grounding device and the like, wherein the insulator is a device which is arranged between conductors with different potentials or between the conductor and a ground potential member, can resist the action of voltage and mechanical stress, is a special insulating control and can play an important role in the overhead transmission line.

But there are some shortcomings about large-scale electric power rod insulator in the existing market, and traditional electric power rod insulator is very inconvenient in the installation owing to the size is great, easily increases staff's intensity of labour, and in the use, elasticity compressive capacity is not enough, easily leads to the too big cracked condition that appears of hard atress of insulator. Accordingly, one skilled in the art has provided a large power rod insulator to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale electric power stick insulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a large-scale electric power rod insulator comprises an upper end insulating rod body, a bottom end insulating rod body is clamped and fixed below the upper end insulating rod body through a split pin, an umbrella skirt A is arranged on the outer side of the upper end insulating rod body, a positioning pin buckle A is fixed at the top end of the upper end insulating rod body, a connecting clamping seat is fixed at the bottom end of the upper end insulating rod body, a clamping convex wing is fixed on the outer side of the connecting clamping seat, an umbrella skirt B is arranged on the outer side of the bottom end insulating rod body, a positioning shaft sleeve is fixed at the top end of the bottom end insulating rod body, a connecting clamping groove is formed in the upper surface of the positioning shaft sleeve in an embedded mode, a limiting slide rod is fixed at the bottom end of the bottom end insulating rod body, a reset spring is sleeved at the position of the outer side of the limiting slide rod, and a pressure-bearing sleeve rod is sleeved at the top end of the reset spring at the position of the, and arm force frames are symmetrically fixed at the positions of two ends of the lower part of the pressure-bearing loop bar, and positioning pin buckles B are fixed at the bottom ends of the arm force frames.

As a further aspect of the present invention: the umbrella skirt A comprises an umbrella skirt outer cover, and a first skirt pendulum, a second skirt pendulum and a third skirt pendulum are sequentially arranged from outside to inside below the umbrella skirt outer cover.

As a further aspect of the present invention: the umbrella skirt A is made of ceramic materials, the structure of the umbrella skirt A is the same as that of the umbrella skirt B, and the number of the umbrella skirt A and the number of the umbrella skirt B are not less than 10.

As a further aspect of the present invention: the outer diameter of the clamping convex wings is matched with the inner diameter of the connecting clamping grooves, the number of the clamping convex wings and the number of the connecting clamping grooves are not less than 4, and the clamping convex wings and the connecting clamping grooves are in one-to-one correspondence with each other.

As a further aspect of the present invention: the front surface of the connecting clamping seat is provided with a through hole A in a penetrating mode, the front surface of the positioning shaft sleeve is provided with a through hole B in a penetrating mode, and the inner diameters of the positioning shaft sleeve and the through hole B are matched with the outer diameter of the cotter pin.

As a further aspect of the present invention: the middle part of the pressure-bearing loop bar is provided with a sleeve sliding hole matched with the limiting sliding rod in a penetrating way, and the pressure-bearing loop bar and the limiting sliding rod elastically slide through the sleeve sliding hole and the reset spring.

As a further aspect of the present invention: the number of the arm force frames is two, the length of the arm force frames is the same as that of the pressure bearing sleeve rods, and the arm force frames and the pressure bearing sleeve rods form a regular triangle structure.

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

the utility model discloses a block of upper end insulating bar and bottom insulating bar, under the fixed of split pin, the electric power stick insulator form of the whole single form of tradition has been replaced, the staff of can being convenient for is to the equipment fixed work of electric power stick insulator, and then reduce staff's intensity of labour, simultaneously in the use, through the regular triangle atress support that pressure-bearing loop bar and arm power frame are constituteed, under reset spring's elasticity resets, can reduce the hard atress intensity of electric power stick insulator, avoid the cable to appear collapsing the disconnected condition because of the hard atress intensity of electric power stick insulator that seasonal reason expend with heat and contract with cold leads to is too big.

Drawings

FIG. 1 is a schematic structural view of a large power rod insulator;

FIG. 2 is a schematic structural diagram of an upper end insulating rod body in a large power rod insulator;

FIG. 3 is a schematic structural diagram of a bottom end insulating rod body in a large power rod insulator;

fig. 4 is a schematic structural view of a shed in a large power rod insulator.

In the figure: 1. an upper end insulating rod body; 2. an umbrella skirt A; 21. an umbrella skirt outer cover; 22. a first skirt pendulum; 23. a second skirt pendulum; 24. a third skirt pendulum; 3. a positioning pin is buckled with a pin A; 4. a cotter pin; 5. a bottom end insulating rod body; 6. an umbrella skirt B; 7. a pressure-bearing loop bar; 8. a return spring; 9. an arm force frame; 10. b, positioning pin buckling; 11. connecting the card holder; 12. a through hole A; 13. clamping the convex wing; 14. a limiting slide bar; 15. positioning the shaft sleeve; 16. a through hole B; 17. connect the draw-in groove.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a large power rod insulator includes an upper insulating rod 1, a bottom insulating rod 5 is fastened below the upper insulating rod 1, the upper insulating rod 1 is fastened and fixed to the bottom insulating rod 5 through a cotter pin 4, a shed a2 is disposed outside the upper insulating rod 1, a positioning pin buckle A3 is fixed to a top end of the upper insulating rod 1, a connection clamp 11 is fixed to a bottom end of the upper insulating rod 1, a fastening flange 13 is fixed to an outside of the connection clamp 11, a shed B6 is disposed outside the bottom insulating rod 5, the shed a2 includes a shed cover 21, a first shed 22, a second shed 23, and a third shed 24 are sequentially disposed below the shed cover 21 from outside to inside, the shed a2 is made of a ceramic material, the shed a2 and the shed B6 have the same structure, the number of the sheds a2 and the sheds 6 is not less than 10, in the using process of the power rod insulator, the creepage distance of the cable can be effectively increased through the three-layer skirt pendulums in the shed A2 and the shed B6.

The top end of the bottom end insulating rod body 5 is fixed with a positioning shaft sleeve 15, the upper surface of the positioning shaft sleeve 15 is embedded and provided with a linking clamping groove 17, the outer diameter of the clamping convex wing 13 is matched with the inner diameter of the linking clamping groove 17, the number of the clamping convex wings 13 and the number of the linking clamping grooves 17 are not less than 4, the clamping convex wings 13 and the linking clamping grooves 17 are in one-to-one correspondence, in the process of assembling the electric power rod insulator, the upper end insulating rod body 1 is clamped and fixed on a tower through a positioning pin buckle A3, the positioning shaft sleeve 15 is further sleeved on a linking clamping seat 11 at the bottom end of the upper end insulating rod body 1, the bottom end insulating rod body 5 is synchronously sleeved with the upper end insulating rod body 1, under the matched combination of the clamping convex wings 13 and the linking clamping grooves 17, a worker rotates the bottom end insulating rod body 5 to clamp the clamping convex wings 13 in the linking clamping grooves 17, and further preliminarily clamps, link up the front surface of cassette 11 and run through and seted up through-hole A12, the front surface of location axle sleeve 15 runs through and has seted up through-hole B16, location axle sleeve 15 all with the external diameter looks adaptation of split pin 4 with through-hole B16's internal diameter, after the preliminary block of insulating barred body 5 in bottom and the insulating barred body 1 of upper end is fixed, the staff inserts split pin 4 to linking up in the through-hole of cassette 11 and location axle sleeve 15, fix electric power rod insulator overall structure, further buckle B10 with the cable and locating pin and be connected.

The bottom end of the bottom end insulating rod body 5 is fixed with a limiting slide bar 14, the outer side of the limiting slide bar 14 is sleeved with a reset spring 8 at the bottom end position, the outer side of the limiting slide bar 14 is sleeved with a pressure-bearing loop bar 7 at the top end of the reset spring 8, arm force frames 9 are symmetrically fixed at the positions of two ends of the lower part of the pressure-bearing loop bar 7, the bottom end of the arm force frame 9 is fixed with a positioning pin buckle B10, the middle part of the pressure-bearing loop bar 7 is penetrated with a sleeved slide hole matched with the limiting slide bar 14, the pressure-bearing loop bar 7 and the limiting slide bar 14 elastically slide through the sleeved slide hole and the reset spring 8, the number of the arm force frames 9 is two groups, the length of the arm force frames 9 is the same as that of the pressure-bearing loop bar 7, the arm force frame 9 and the pressure-bearing loop bar 7 form an equilateral triangle structure, when a cable expands due to heat and cold due to seasonal reasons during the use of the power rod insulator, the equilateral, under the elastic reset of the reset spring 8, the pressure-bearing loop bar 7 can elastically slide on the limiting slide rod 14, so that the rigid stress strength of the power rod insulator is effectively reduced, and the situation that the cable is broken due to overlarge rigid stress strength of the power rod insulator caused by seasonal expansion and contraction is avoided.

The utility model discloses a theory of operation is: in the process of assembling the power rod insulator, the upper end insulating rod body 1 is clamped and fixed on a tower through the positioning pin buckle A3, the positioning shaft sleeve 15 is further sleeved on the linking clamping seat 11 at the bottom end of the upper end insulating rod body 1, the bottom end insulating rod body 5 is synchronously sleeved with the upper end insulating rod body 1, under the matched combination of the clamping convex wing 13 and the linking clamping groove 17, a worker rotates the bottom end insulating rod body 5, the clamping convex wing 13 is clamped in the linking clamping groove 17, further the bottom end insulating rod body 5 and the upper end insulating rod body 1 are preliminarily clamped and fixed, after the bottom end insulating rod body 5 and the upper end insulating rod body 1 are preliminarily clamped and fixed, the worker inserts the opening pin 4 into the through hole of the linking clamping seat 11 and the positioning shaft sleeve 15 to fix the integral structure of the power rod insulator, further, a cable is connected with the positioning pin buckle B10, in the use process of the power rod insulator, when the cable expands with heat and contracts with cold because of the reason of season, through the regular triangle atress support that pressure-bearing loop bar 7 and arm strength frame 9 are constituteed, under the elastic reset of reset spring 8, can make pressure-bearing loop bar 7 elastically slide on spacing slide bar 14, and then the hard atress intensity of effectual reduction power rod insulator, avoid the cable to appear the condition of collapsing because of the too big appearance of the hard atress intensity of power rod insulator that the reason expands with heat and contracts with cold in season leads to.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A large-scale electric power rod insulator comprises an upper end insulating rod body (1) and is characterized in that a bottom end insulating rod body (5) is clamped below the upper end insulating rod body (1), the upper end insulating rod body (1) is fixedly clamped with the bottom end insulating rod body (5) through a split pin (4), an umbrella skirt A (2) is arranged on the outer side of the upper end insulating rod body (1), a positioning pin buckle A (3) is fixed at the top end of the upper end insulating rod body (1), a linking clamping seat (11) is fixed at the bottom end of the upper end insulating rod body (1), a clamping convex wing (13) is fixed on the outer side of the linking clamping seat (11), an umbrella skirt B (6) is arranged on the outer side of the bottom end insulating rod body (5), a positioning shaft sleeve (15) is fixed at the top end of the bottom end insulating rod body (5), a linking clamping groove (17) is formed in an embedded mode of the upper surface of the positioning shaft sleeve (15), the bottom end of the bottom end insulating rod body (5) is fixed with a limiting slide rod (14), the outer side of the limiting slide rod (14) is sleeved with a return spring (8) at the bottom end position, the outer side of the limiting slide rod (14) is sleeved with a pressure-bearing loop bar (7) at the top end of the return spring (8), arm force frames (9) are symmetrically fixed at the positions of two ends below the pressure-bearing loop bar (7), and a positioning pin buckle B (10) is fixed at the bottom end of the arm force frame (9).

2. The large-scale power rod insulator according to claim 1, wherein the shed A (2) comprises a shed outer cover (21), and a first shed (22), a second shed (23) and a third shed (24) are sequentially arranged below the shed outer cover (21) from outside to inside.

3. The large power rod insulator as claimed in claim 1, wherein the shed A (2) is made of ceramic materials, the shed A (2) and the shed B (6) have the same structure, and the number of the shed A (2) and the shed B (6) is not less than 10.

4. The large-scale power rod insulator as claimed in claim 1, wherein the outer diameter of the clamping convex wings (13) is matched with the inner diameter of the connecting clamping grooves (17), the number of the clamping convex wings (13) and the number of the connecting clamping grooves (17) are not less than 4, and the clamping convex wings (13) and the connecting clamping grooves (17) are in one-to-one correspondence.

5. The large-scale power rod insulator as claimed in claim 1, wherein a through hole A (12) is formed through the front surface of the engagement clamping seat (11), a through hole B (16) is formed through the front surface of the positioning shaft sleeve (15), and the inner diameters of the positioning shaft sleeve (15) and the through hole B (16) are matched with the outer diameter of the cotter pin (4).

6. The large-scale power rod insulator according to claim 1, wherein a sleeve sliding hole matched with the limiting sliding rod (14) is formed in the middle of the pressure-bearing sleeve rod (7) in a penetrating manner, and the pressure-bearing sleeve rod (7) and the limiting sliding rod (14) elastically slide through the sleeve sliding hole and the return spring (8).

7. A large power rod insulator according to claim 1, wherein the number of the arm force frames (9) is two, the length of the arm force frame (9) is the same as that of the pressure-bearing loop bar (7), and the arm force frame (9) and the pressure-bearing loop bar (7) form a regular triangle structure.