CN215342158U - Large core compression joint type post composite insulator - Google Patents
Large core compression joint type post composite insulator Download PDFInfo
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- CN215342158U CN215342158U CN202121746423.XU CN202121746423U CN215342158U CN 215342158 U CN215342158 U CN 215342158U CN 202121746423 U CN202121746423 U CN 202121746423U CN 215342158 U CN215342158 U CN 215342158U
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- butt joint
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- screw rod
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Abstract
The utility model belongs to the technical field of insulators, and particularly relates to a large-core compression-joint type post composite insulator, which comprises an insulator body, wherein a butt joint part is arranged at the top of the insulator body and is connected with a cable fixing part, a channel penetrates through the interior of the insulator body, and a partition plate is fixedly sleeved on the inner ring of the channel; the butt joint part is of a cylindrical structure, a butt joint hole penetrates through the butt joint part, guide grooves are formed in two sides of the butt joint hole, and two groups of clamping grooves are formed in the inner side wall of the bottom of the butt joint part; the cable fixed connection portion comprises a screw rod sleeved with the butt connection hole, a butt connection plate perpendicular to the screw rod is fixedly connected to the bottom of the screw rod, and a contact plate is sleeved at one end, extending out of the top of the butt connection portion, of the screw rod. The utility model adopts an interlocking mode for connection and installation, effectively prevents the insulator from falling off due to the loosening of the screw rod, prevents the cable on the insulator from being pulled along the radial direction of the insulator when the connection is loosened, and improves the safety performance of the insulator.
Description
Technical Field
The utility model relates to the technical field of insulators, in particular to a large-core compression-joint type post composite insulator.
Background
The post insulator is a special insulating control and can play an important role in an overhead transmission line. The early-year post insulator is mostly used for telegraph poles, and one end of a high-voltage wire connecting tower which is gradually developed is hung with a plurality of suspended insulators, so that the insulator is used for increasing creepage distance and is usually made of silica gel or ceramics, namely the insulator. The insulator plays two basic roles in an overhead transmission line, namely supporting a wire and preventing current from flowing back to the ground, the two roles are ensured, the insulator cannot generate flashover breakdown caused by the change of environmental and electrical load conditions to fail, otherwise, the insulator can lose the function and can damage the service life and the service life of the whole line, the existing insulator is easy to loose in connection in the using process, and the cable is damaged in serious cases, so that the large-core crimping type post composite insulator is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large core compression joint type pillar composite insulator, which solves the problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-core compression joint type post composite insulator comprises an insulator body, wherein a butt joint part is arranged at the top of the insulator body and connected with a cable fixing part, a channel penetrates through the interior of the insulator body, and a partition plate is fixedly sleeved on the inner ring of the channel;
the butt joint part is of a cylindrical structure, a butt joint hole penetrates through the butt joint part, guide grooves are formed in two sides of the butt joint hole, and two groups of clamping grooves are formed in the inner side wall of the bottom of the butt joint part;
the cable rigid coupling portion includes the screw rod that cup joints with the butt joint hole, the bottom rigid coupling of screw rod has rather than the perpendicular butt joint board that sets up, the contact plate has been cup jointed to the one end that the screw rod stretches out the butt joint portion top, the contact plate runs through the through-hole that has cup jointed with the screw rod, the inserted bar with contact plate bottom rigid coupling is installed to the bottom both sides of through-hole, the top both sides rigid coupling of contact plate has the pillar, two sets of pillar top rigid couplings have same boards of placing, the bottom of placing the board is connected with the barrier plate, the clamp plate is installed at the top of placing the board, fastening nut is installed to the one end that the screw rod stretches out the through-hole top.
Preferably, one end of the blocking plate is fixedly connected with the bottom of the placing plate, the other end of the blocking plate is fixedly connected with the bottom of the placing plate through a screw, and the middle of the blocking plate is of a circular arc-shaped structure bent downwards.
Preferably, the placing plate and the pressing plate are fixedly connected in a screw mode, and the cross section of the inserting rod is consistent with the cross section of the guide groove in structure.
Preferably, the insulator body and the butt joint part are integrally arranged, and an umbrella skirt integrally arranged with the insulator body is installed on the outer ring of the insulator body.
Preferably, the distance between the top of the clapboard and the bottom of the butt joint part is larger than the thickness of the butt joint plate and is less than twice the thickness of the butt joint plate.
Preferably, the thickness of the fastening nut is greater than the distance between the top of the partition board and the bottom of the butt joint part.
In the present invention,
through the insulator body that sets up, butt joint portion, butt joint hole, guide way, joint groove, passageway, baffle, cable rigid coupling portion, contact plate, through-hole, insert the pole, the pillar, place the board, clamp plate, barrier plate, screw rod, fastening nut and butt plate for this design adopts the interlocking mode to connect the installation, and the effectual insulator of avoiding is because of the screw rod is not hard up to drop, avoids connecting the cable on it and drags along the radial direction of insulator when not hard up, improves the security performance of insulator.
Drawings
Fig. 1 is a schematic structural diagram of a large core compression joint type post composite insulator provided by the utility model;
fig. 2 is a schematic structural diagram of a butt joint portion of a large core compression joint type post composite insulator according to the present invention;
fig. 3 is a schematic structural view of a cable fixing portion of a large core crimping type post composite insulator according to the present invention;
fig. 4 is a partially enlarged structural schematic view of a large core compression joint type post composite insulator provided by the utility model.
In the figure: 1 insulator body, 2 butt joint parts, 21 butt joint holes, 22 guide grooves, 23 clamping grooves, 3 channels, 4 partition plates, 5 cable fixing parts, 51 contact plates, 52 through holes, 53 insertion rods, 54 support columns, 55 placing plates, 56 pressing plates, 57 blocking plates, 58 screw rods, 59 fastening nuts and 510 butt joint plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, the large core compression joint type pillar composite insulator comprises an insulator body 1, wherein a butt joint part 2 is installed at the top of the insulator body 1, the butt joint part 2 is connected with a cable fixing part 5, a channel 3 penetrates through the interior of the insulator body 1, and a partition plate 4 is fixedly sleeved on the inner ring of the channel 3;
further, the butt joint part 2 is of a cylindrical structure, a butt joint hole 21 penetrates through the butt joint part 2, guide grooves 22 are formed in two sides of the butt joint hole 21, and two groups of clamping grooves 23 are formed in the inner side wall of the bottom of the butt joint part 2;
specifically, cable rigid coupling portion 5 includes the screw rod 58 that cup joints with butt joint hole 21, the bottom rigid coupling of screw rod 58 has rather than perpendicular butt joint board 510 that sets up, contact plate 51 has been cup jointed to the one end that screw rod 58 stretches out butt joint portion 2 top, contact plate 51 runs through the through-hole 52 that has cup jointed with screw rod 58, insert pole 53 with contact plate 51 bottom rigid coupling is installed to the bottom both sides of through-hole 52, the top both sides rigid coupling of contact plate 51 has pillar 54, two sets of pillar 54 top rigid couplings have same board 55 of placing, the bottom of placing board 55 is connected with barrier plate 57, the top of placing board 55 is installed clamp plate 56, fastening nut 59 is installed to the one end that screw rod 58 stretches out the top of through-hole 52.
It should be noted that one end of the blocking plate 57 is fixedly connected to the bottom of the placing plate 55, the other end of the blocking plate 57 is fixedly connected to the bottom of the placing plate 55 through a screw, and the middle of the blocking plate 57 is in a downwardly curved arc-shaped structure.
In addition, the placing plate 55 and the pressing plate 56 are fixedly connected by means of screws, and the cross section of the insertion rod 53 is consistent with the cross section structure of the guide groove 22.
Besides, the insulator body 1 and the butt joint part 2 are integrally arranged, and an umbrella skirt integrally arranged with the insulator body 1 is installed on the outer ring of the insulator body 1.
Furthermore, the distance between the top of the partition board 4 and the bottom of the butt-joint part 2 is larger than the thickness of the butt-joint plate 510 and is smaller than twice the thickness of the butt-joint plate 510.
As will be explained, the thickness of the fastening nut 59 is greater than the distance between the top of the partition 4 and the bottom of the abutment 2.
The working principle is as follows: when in use, firstly, the butt plate 510 at the bottom of the screw 58 is extended downwards from the butt hole 21 at the top of the butt part 2, the butt plate 510 is extended to the position between the bottom of the butt part 2 and the top of the partition board 4, then the screw 58 is rotated, the butt plate 510 is rotated to the position of the clamping groove 23, then the contact board 51 is placed at the top of the butt part 2, the screw 58 is extended from the through hole 52, the inserting rod 53 at the bottom of the contact board 51 is extended downwards from the two sets of guide grooves 22 to the inside of the butt part 2, the inserting rod 53 is extended downwards until the top of the partition board 4 is abutted against the top of the partition board 4, then the screw 58 and the butt part 2 are fastened and connected by the fastening nut 59 for fixing, then the blocking plate 57 at the bottom of the placing plate 55 is pushed, the middle position of the blocking plate 57 is bent downwards continuously until the bottom of the blocking plate 57 is contacted with the top of the screw 58, then the other end of the blocking plate 57 is fixed to the bottom of the placing plate 55 by a nut, and then the cable is placed between the placing plate 55 and the pressing plate 56 and fixed by a screw, when the fastening nut 59 is loosened, the screw 58 is caused to move downward, but the distance between the top of the partition plate 4 and the butt portion 2 is greater than the thickness of the butt plate 510 by a factor of two, which is less than the thickness of the butt plate 510, so that the position where the screw 58 drops downward is limited, and since the thickness of the fastening nut 59 is greater than the distance between the top of the partition plate 4 and the bottom of the butt portion 2, the length of the screw 58 dropping downward is less than the thickness of the fastening nut 59, thereby allowing the blocking plate 57 to prevent the fastening nut 59 from leaving from the top of the screw 58, and since the insertion rod 53 is inserted into the inside of the guiding groove 22, the butt plate 510 cannot come out of the guiding groove 22 by the rotation of the screw 58, so that the integral cable fixing portion 5 is in an interlocked state, effectual avoiding the insulator to drop because of the screw rod is not hard up, simultaneously because insert pole 53 is located the inside of guide way 22 all the time, it is rotatory along the direction of insulator body to avoid contact plate 51 to connect when not hard up, avoids connecting the cable on it when not hard up and drags along the radial direction of insulator, improves the security performance of insulator.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A large-core compression joint type post composite insulator comprises an insulator body (1) and is characterized in that a butt joint part (2) is installed at the top of the insulator body (1), the butt joint part (2) is connected with a cable fixing part (5), a channel (3) penetrates through the interior of the insulator body (1), and a partition plate (4) is fixedly sleeved on an inner ring of the channel (3);
the butt joint part (2) is of a cylindrical structure, a butt joint hole (21) penetrates through the butt joint part (2), guide grooves (22) are formed in two sides of the butt joint hole (21), and two groups of clamping grooves (23) are formed in the inner side wall of the bottom of the butt joint part (2);
cable rigid coupling portion (5) include screw rod (58) that cup joints with butt joint hole (21), the bottom rigid coupling of screw rod (58) has butt joint board (510) rather than perpendicular setting, contact plate (51) have been cup jointed to the one end that screw rod (58) stretched out butt joint portion (2) top, contact plate (51) run through have with screw rod (58) through-hole (52) of cup jointing, insert pole (53) with contact plate (51) bottom rigid coupling are installed to the bottom both sides of through-hole (52), the top both sides rigid coupling of contact plate (51) has pillar (54), two sets of pillar (54) top rigid couplings have same board (55) of placing, the bottom of placing board (55) is connected with barrier plate (57), place board (56) are installed at the top of board (55), fastening nut (59) are installed to the one end that screw rod (58) stretched out through-hole (52) top.
2. The large core compression joint type post composite insulator as claimed in claim 1, wherein one end of the blocking plate (57) is fixedly connected with the bottom of the placing plate (55), the other end of the blocking plate (57) is fixedly connected with the bottom of the placing plate (55) through a screw, and the middle of the blocking plate (57) is of a circular arc structure bent downwards.
3. The large core compression joint type post composite insulator as claimed in claim 1, wherein the placing plate (55) is fixedly connected with the pressing plate (56) through screws, and the cross section of the inserting rod (53) is consistent with the cross section structure of the guide groove (22).
4. The large core compression joint type post composite insulator as claimed in claim 1, wherein the insulator body (1) is integrated with the butt joint part (2), and the outer ring of the insulator body (1) is provided with a shed integrated therewith.
5. The large core press-fit post composite insulator according to claim 1, wherein the distance between the top of the partition (4) and the bottom of the butt-joint part (2) is larger than the thickness of the butt-joint plate (510) and is smaller than the thickness of the butt-joint plate (510) by twice.
6. A large core compression joint post composite insulator according to claim 1, wherein the thickness of the fastening nut (59) is larger than the distance between the top of the partition (4) and the bottom of the butt joint part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121746423.XU CN215342158U (en) | 2021-07-29 | 2021-07-29 | Large core compression joint type post composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121746423.XU CN215342158U (en) | 2021-07-29 | 2021-07-29 | Large core compression joint type post composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215342158U true CN215342158U (en) | 2021-12-28 |
Family
ID=79573751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121746423.XU Active CN215342158U (en) | 2021-07-29 | 2021-07-29 | Large core compression joint type post composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215342158U (en) |
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2021
- 2021-07-29 CN CN202121746423.XU patent/CN215342158U/en active Active
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