CN210778056U

CN210778056U - Composite needle type electric porcelain insulator

Info

Publication number: CN210778056U
Application number: CN201922358422.7U
Authority: CN
Inventors: 郑金; 阳水琳; 张峰; 阳宽武
Original assignee: Jiangxi Jinzhichuan Electric Porcelain Electric Co ltd
Current assignee: Jiangxi Jinzhichuan Electric Porcelain Electric Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-06-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a compound pin type electroceramic insulator belongs to insulator technical field, its technical scheme main points are, insulating tube including coaxial setting, steel foot bolt and hoop line seat, a plurality of full skirts of the coaxial fixedly connected with of its axis direction are followed to the periphery of insulating tube, hoop line seat and steel foot bolt are fixed mounting respectively at the upper and lower both ends of insulating tube, fastening nut and gasket have been cup jointed in the activity on the steel foot bolt, the gasket is located between fastening nut and the insulating tube, move towards around the middle part of hoop line seat up end is seted up, the cross section is the recess of "semi-circular", and still be provided with down the hoop, the middle part of lower hoop is "semi-circular pipe" form, the left and right sides symmetry is provided with the flange that outside level extends. The composite pin type electric porcelain insulator is connected with an electric wire in the process of operation without temporarily dismounting the nut or other components, so that the risk of high-altitude falling of the nut or other components does not exist, the safety is high, and the composite pin type electric porcelain insulator can be connected with the electric wire very conveniently and quickly.

Description

Composite needle type electric porcelain insulator

Technical Field

The utility model relates to an insulator technical field specifically is a compound pin type electric porcelain insulator.

Background

The insulator is a device which is installed between conductors with different electric potentials or between the conductor and a grounding component and can withstand the action of voltage and mechanical stress, and the insulator has various types and shapes, wherein the composite pin type electric porcelain insulator is an assembly which is used for supporting or suspending a lead and forming electric insulation between a tower and the lead, and is very common in a power grid system.

The insulator and the electric wire are many fixedly connected together by means of matching of a bolt and a nut, for example: when an insulator and an electric wire of a traditional structure are fixed, the length of the electric wire in a power grid is extremely long, so that a nut needs to be completely unscrewed from a bolt, the nut is screwed after the electric wire and the insulator are installed in place, the insulator and the insulator are fixedly connected together, the insulator is often installed at a high altitude, the insulator and the electric wire are generally connected in the high altitude, the wind speed is high, small parts (such as the nut) which are temporarily disassembled in the connection operation process have a high risk of falling, once the small parts fall, the connection operation cannot be carried out, great potential safety hazards are caused to ground personnel, and the small parts need to be carefully looked after by the operators, so that the operation is quite inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compound pin type electric porcelain insulator, this kind of compound pin type electric porcelain insulator need not nut or other parts temporarily and pull down at the operation in-process of being connected with the electric wire, does not have the risk that nut or other parts high altitude fall, and the security is high to can be very convenient and fast ground and wire connection together.

The above technical purpose of the present invention can be achieved by the following technical solutions: a composite needle type electric porcelain insulator comprises an insulating tube, a steel foot bolt and a hoop wire seat which are coaxially arranged, wherein a plurality of umbrella skirts are coaxially and fixedly connected to the periphery of the insulating tube along the axis direction of the insulating tube, the hoop wire seat and the steel foot bolt are respectively and fixedly arranged at the upper end and the lower end of the insulating tube, a fastening nut and a gasket are movably sleeved on the steel foot bolt, the gasket is positioned between the fastening nut and the insulating tube, a groove which moves forwards and backwards and has a semicircular cross section is formed in the middle of the upper end surface of the hoop wire seat, a lower hoop is further arranged, the middle of the lower hoop is in a semicircular pipe shape, flanges which extend outwards and horizontally are symmetrically arranged at the left side and the right side of the lower hoop and are integrally in an inverted arch bridge shape, the middle of the lower hoop is fixedly embedded into the groove of the hoop wire seat, the flanges at the two sides are fixed at the positions of the upper end surface of the hoop wire seat, a first upper hoop and a second upper hoop are arranged above the lower hoop, one side of each of the first upper hoop and the second upper hoop is in a quarter-round tube shape, flanges extending outwards and horizontally are arranged on the other side of each of the first upper hoop and the second upper hoop, the flanges of the first upper hoop and the second upper hoop are respectively hinged with the flanges on the left side and the right side of the lower hoop, the combined shape of the first upper hoop and the second upper hoop is consistent with that of the lower hoop, a first threaded head is vertically and fixedly arranged at the topmost part of the first upper hoop, the first threaded head is in a semi-cylindrical shape, threads are arranged at the cambered surface part of the first threaded head, a second threaded head is vertically and fixedly arranged at the topmost part of the second upper hoop, the upper part of the second threaded head is in a cylindrical shape, the lower part of the second threaded head is in a semi-cylindrical shape, threads are also arranged at the cambered surface part of the second threaded head, and the first threaded head are combined in a cylindrical shape, and a combined nut is sleeved on the second thread head through threads.

Further, the threads on the first thread start are complementary to the threads on the second thread start.

Furthermore, an anti-release sheet is coaxially and fixedly mounted on the upper end face of the second thread head, and the diameter of the anti-release sheet is larger than that of the upper portion of the second thread head.

Further, the inner sides of the lower hoop, the first upper hoop and the second upper hoop are respectively attached with a rubber sheet.

To sum up, the utility model discloses following beneficial effect has:

the composite needle type electric porcelain insulator is characterized in that a lower hoop is arranged on a hoop wire seat, a first upper hoop and a second upper hoop are respectively hinged on two sides of the lower hoop, the first upper hoop and the second upper hoop can be freely combined and separated, so that an electric wire can be conveniently placed on the lower hoop, a first thread head and a second thread head at the top of the first upper hoop and the second upper hoop are combined to form a cylindrical structure with threads on the outer surface, the first upper hoop and the second upper hoop are tightly combined and not separated by screwing the combined nut on the cylindrical structure, thereby realizing the tight binding of the electric wire, in the connection operation process of the composite needle type electric porcelain insulator and the electric wire, the combined nut is always sleeved on the second threaded head and does not need to be temporarily detached, the whole insulator does not have the risk of falling from the high altitude of the nut or other components, the safety is high, and the combined nut can be very conveniently and quickly connected with the electric wire.

Drawings

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

fig. 2 is a schematic structural view of the first upper hoop and the second upper hoop of the hoop wire holder according to the present invention when they are combined;

fig. 3 is a schematic structural view of the first upper hoop and the second upper hoop on the hoop wire holder according to the present invention when they are separated;

fig. 4 is an overall structure diagram of the first screw head, the second screw head and the union nut of the present invention.

In the figure: 1. an insulating tube; 101. an umbrella skirt; 2. a steel leg bolt; 201. fastening a nut; 202 a gasket; 3. a wire-looping base; 301. a lower hoop; 302. a first upper band; 3021. a first thread start; 303. a second upper band; 3031. a second thread start; 3032. combining the nuts; 3033. an anti-drop sheet; 304. a rubber sheet.

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. 1-4, a composite pin type electrical porcelain insulator comprises an insulating tube 1, a steel leg bolt 2 and a hoop wire seat 3 which are coaxially arranged, the periphery of the insulating tube 1 is coaxially and fixedly connected with a plurality of sheds 101 along the axial direction, the hoop wire seat 3 and the steel leg bolt 2 are respectively and fixedly arranged at the upper end and the lower end of the insulating tube 1, a fastening nut 201 and a gasket 202 are movably sleeved on the steel leg bolt 2, the gasket 202 is positioned between the fastening nut 201 and the insulating tube 1, the utility model is arranged on a telegraph pole or an electric tower by the cooperation among the steel leg bolt 2, the fastening nut 201 and the gasket 202, a groove which runs forward and backward and has a semicircular cross section is arranged at the middle part of the upper end surface of the hoop wire seat 3, a lower hoop 301 is also arranged, the middle part of the lower hoop 301 is in a semicircular tube shape, flanges which extend outwards and horizontally are symmetrically arranged at the left side and the right side, and the whole is, the middle part of the lower hoop 301 is fixedly embedded into a groove of the hoop wire seat 3, flanges at two sides are fixed at positions of the upper end surface of the hoop wire seat 3 at two sides of the groove, a first upper hoop 302 and a second upper hoop 303 are arranged above the lower hoop 301, one side of the first upper hoop 302 and one side of the second upper hoop 303 are both in a shape of a quarter round pipe, flanges extending outwards and horizontally are arranged at the other side of the first upper hoop 301, the flanges of the first upper hoop 302 and the second upper hoop 303 are hinged with flanges at the left side and the right side of the lower hoop 301 respectively, the combined shape of the first upper hoop 302 and the second upper hoop 303 is consistent with that of the lower hoop 301, a first thread head 3021 is vertically and fixedly arranged at the topmost part of the first upper hoop 302, a first thread head 3021 is in a shape of a 'semi-cylinder', threads are arranged at the cambered surface part of the first upper hoop 303, a second thread head 3031 is vertically and fixedly arranged at the topmost part of the second upper hoop 302, and is in a 'semi-cylinder' shape, the cambered surface part is also provided with threads, the second thread head 3031 and the first thread head 3021 are combined into a cylindrical shape, and the second thread head 3031 is sleeved with a combined nut 3032 in a threaded manner.

By the above technical solution, when the present invention is connected with an electric wire, the union nut 3032 is firstly screwed, so that the union nut 3032 completely advances to the "cylindrical" structure on the upper portion of the second thread head 3031, at this time, the first thread head 3021 and the second thread head 3031 are not fixed together, then, the first upper hoop 302 and the second upper hoop 303 are simultaneously turned over to both sides, as shown in fig. 3, the first upper hoop 302 and the second upper hoop 303 are separated, then the electric wire is placed on the lower hoop 301, the first upper hoop 302 and the second upper hoop 303 are turned over to the central position of the hoop wire seat 3, as shown in fig. 2, the first upper hoop 302 and the second upper hoop 303 are tightly combined together, at this time, the first thread head 3021 and the second thread head 3031 are also tightly attached together and are combined into the "cylindrical" structure, then, the union nut 3032 is screwed again, so that the union nut 3032 advances downwards to the bottom of the first thread head 3021 and the second thread head 3031, the first screw head 3021 and the second screw head 3031 at this time are fixed together by the nut 3021, so that the first upper band 302 and the second upper band 303 are also fixed together and kept in a combined state, and the lower band 301, the first upper band 302 and the second upper band 303 form a closed cylindrical structure, so that the electric wire placed on the lower band 301 is tightly clamped on the column, and the electric wire is firmly connected with the present invention. The utility model discloses with the connection operation in-process of electric wire, merge nut 3032 and cup joint all the time on second screw thread head 3031, need not to pull down temporarily, make the utility model discloses there is not the risk that nut or other parts high altitude fall, the security is high to can be very convenient and fast ground and be in the same place with the connection of electric lines.

Further, referring to fig. 2, the threads on the first thread head 3021 are matched with the threads on the second thread head 3031, so that after the first thread head 3021 and the second thread head 3031 are combined, the combined nut 3032 can still normally screw.

Further, referring to fig. 4, an anti-drop sheet 3033 is coaxially and fixedly mounted on the upper end surface of the second screw head 3031, the diameter of the anti-drop sheet 3033 is larger than that of the upper portion of the second screw head 3031, and the anti-drop sheet 3033 can prevent the union nut 3032 from dropping from the top of the second screw head 3031.

Further, referring to fig. 2 and 3, rubber sheets 304 are adhered to the inner sides of the lower hoop 301, the first upper hoop 302 and the second upper hoop 303, and the rubber sheets 304 have good mechanical properties and are corrosion-resistant, so that the function of protecting the electric wire is achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a compound pin type electroceramics insulator, includes insulating tube (1), steel foot bolt (2) and the wire hooping seat (3) of coaxial setting, the periphery of insulating tube (1) is along a plurality of full skirts (101) of the coaxial fixedly connected with of its axis direction, wire hooping seat (3) with steel foot bolt (2) fixed mounting respectively the upper and lower both ends of insulating tube (1), fastening nut (201) and gasket (202) have been cup jointed in the activity on steel foot bolt (2), gasket (202) are located fastening nut (201) with between insulating tube (1), its characterized in that:

the middle part of the upper end face of the hoop wire seat (3) is provided with a groove which moves forwards and backwards and has a semicircular cross section, the middle part of the lower hoop (301) is in a semicircular pipe shape, flanges which extend outwards and horizontally are symmetrically arranged on the left side and the right side of the lower hoop (301), the lower hoop (301) is integrally in an inverted arch bridge shape, the middle part of the lower hoop (301) is fixedly embedded into the groove of the hoop wire seat (3), the flanges on the two sides of the lower hoop (301) are fixed on the positions of the upper end face of the hoop wire seat (3) on the two sides of the groove, a first upper hoop (302) and a second upper hoop (303) are arranged above the lower hoop (301), one sides of the first upper hoop (302) and the second upper hoop (303) are in a quarter circular pipe shape, the other sides of the first upper hoop (302) and the second upper hoop (303) are provided with flanges which extend outwards and horizontally, the flanges of the first upper hoop (302) and the second upper hoop (303) are respectively hinged with the flanges on the, the combined shape of the first upper hoop (302) and the second upper hoop (303) is consistent with that of the lower hoop (301), a first thread head (3021) is vertically and fixedly mounted at the topmost part of the first upper hoop (302), the first thread head (3021) is in a semi-cylindrical shape, threads are arranged at the arc part of the first thread head, a second thread head (3031) is vertically and fixedly mounted at the topmost part of the second upper hoop (303), the upper part of the second thread head (3031) is in a cylindrical shape, the lower part of the second thread head (3031) is in a semi-cylindrical shape, threads are also arranged at the arc part of the second thread head, the second thread head (3031) and the first thread head (3021) are combined in a cylindrical shape, and a combined nut (3032) is sleeved on the second thread head (3031) through the threads.

2. The composite needle type electric porcelain insulator according to claim 1, wherein: the thread on the first thread head (3021) is matched with the thread on the second thread head (3031).

3. The composite needle type electric porcelain insulator according to claim 1, wherein: an anti-release sheet (3033) is coaxially and fixedly mounted on the upper end face of the second thread head (3031), and the diameter of the anti-release sheet (3033) is larger than that of the upper portion of the second thread head (3031).

4. The composite needle type electric porcelain insulator according to claim 1, wherein: the inner sides of the lower hoop (301), the first upper hoop (302) and the second upper hoop (303) are respectively attached with a rubber sheet (304).