CN114188106A

CN114188106A - Column type porcelain insulator for high-voltage line

Info

Publication number: CN114188106A
Application number: CN202111544070.XA
Authority: CN
Inventors: 柳健
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-03-15

Abstract

The application relates to a column type porcelain insulator for a high-voltage line, which comprises a ceramic insulating core and a base, wherein the bottom of the ceramic insulating core is fixedly connected with the base; the ceramic insulating core comprises a ceramic insulating column, a plurality of large sheds and a plurality of small sheds, the ceramic insulating column, the plurality of large sheds and the plurality of small sheds are integrally formed, and the plurality of large sheds and the plurality of small sheds are distributed on the outer side wall of the ceramic insulating column at intervals along the length direction of the ceramic insulating column; one end of the ceramic insulating column is fixedly connected with the base, and the other end of the ceramic insulating column is provided with a containing groove for containing a cable; the ceramic insulation core is internally provided with a connecting stud, the bottom end of the connecting stud extends out of the base to form a fixing stud, and the fixing stud is in threaded connection with a fixing nut. The application can effectively improve the operational reliability and safety of the high-voltage transmission line and achieve the effect of prolonging the service life of the insulator.

Description

Column type porcelain insulator for high-voltage line

Technical Field

The application relates to the field of column insulators, in particular to a column porcelain insulator for a high-voltage line.

Background

With the development of modern society, the use of electric power is more and more common, electric power is too serious in order to avoid the loss usually, generally transmits with high pressure form, and high pressure transmission loss is less, uses after carrying out the transformer to become suitable voltage at last, and general high-voltage cable is installed in higher place, avoids taking place danger because of mistake touching or other reasons, is connected with the wire pole usually with the insulator between cable and wire pole, and first security is high, and the second prevents that the invasion and attack of thunder and lightning from leading to the damage, and the insulator is categorised more, and it is porcelain insulator to use most extensively.

The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line. The insulator can be divided into a low-voltage insulator and a high-voltage insulator according to different use voltage grades. The high-voltage insulator is used for high-voltage and ultrahigh-voltage overhead transmission lines and substations. In order to meet the requirements of different voltage classes, different numbers of single insulators of the same type are usually used to form an insulator string or a plurality of sections of insulating support posts.

Along with the influence of the environment including severe ice and frost climate, earthquake destructive power and the like, the requirements of the high-voltage transmission line on the electrical performance and the mechanical performance of the column type porcelain insulator are higher and higher, in the 110KV-330KV transmission line, the mechanical strength grade of the column type porcelain insulator is required to be more than 15KN, the tensile strength is required to be more than 180-200MPa, and the impact toughness is also high. The existing column type pillar porcelain insulator product has low tensile strength, poor bending moment resistance of a connector part, the 110KV-330KV high-voltage line bears external reasons such as self gravity, wire tension, wind power and vibration, particularly increased earthquake acting force, and the like, and the porcelain insulator body and the base are easy to be damaged by torsion and fracture, so that the AC power-on conductive contact line supporting system has a residual fault, and the operation reliability and safety of a high-voltage transmission line are influenced.

Aiming at the related technologies, the inventor considers that the tensile strength of the existing column type post porcelain insulator product is low, the bending moment resistance of the connecting body part is poor, the ceramic insulator body and the base joint are easily broken and damaged due to the influence of unexpected factors, and the operation reliability and the safety of the high-voltage transmission line are influenced.

Disclosure of Invention

In order to improve that the tensile strength of current column type pillar porcelain insulator product is lower, and the connector part bending moment resistance ability is relatively poor, receives the unexpected factor influence easily to lead to porcelain insulator body and base junction to appear the fracture damage, influences high tension transmission line's operational reliability and the problem of security, this application provides a column type porcelain insulator for high tension transmission line.

In a first aspect, the application provides a column type porcelain insulator for a high-voltage line, which adopts the following technical scheme:

a column type porcelain insulator for a high-voltage line comprises a ceramic insulating core and a base, wherein the bottom of the ceramic insulating core is fixedly connected with the base; the ceramic insulating core comprises a ceramic insulating column, a plurality of large sheds and a plurality of small sheds, the ceramic insulating column, the plurality of large sheds and the plurality of small sheds are integrally formed, and the plurality of large sheds and the plurality of small sheds are distributed on the outer side wall of the ceramic insulating column at intervals along the length direction of the ceramic insulating column; one end of the ceramic insulating column is fixedly connected with the base, and the other end of the ceramic insulating column is provided with a containing groove for containing a cable; the ceramic insulation core is internally provided with a connecting stud, the bottom end of the connecting stud extends out of the base to form a fixing stud, and the fixing stud is in threaded connection with a fixing nut.

By adopting the technical scheme, the ceramic insulating core is fixedly connected with the base to form the column insulator, the ceramic insulating column is effectively protected by arranging the large umbrella skirt and the small umbrella skirt at intervals, the ceramic insulating column is protected from weather influence and electric corrosion, and the required creepage distance is provided; set up connecting stud in the ceramic insulator core and can effectively promote ceramic insulator core's mechanical strength and tensile strength, connecting stud bottom extends the base simultaneously and forms fixing stud, the tightness of connection of ceramic insulator core and base has effectively been promoted when being convenient for the insulator installation, and through the setting of connecting stud, can effectively promote ceramic insulator core and base junction's mechanical strength and tensile strength, avoid leading to appearing porcelain insulator body and base junction fracture damage's phenomenon because of the base damage, make the direct mounting panel zonulae occludens with the wire pole of ceramic insulator core, high tension transmission line's operational reliability and security have effectively been promoted, reach the effect that improves insulator life.

Preferably, the ceramic insulating core is filled with a reinforcing layer, and the reinforcing layer is made of a metal material.

Through adopting above-mentioned technical scheme, through the setting of enhancement layer, further promoted the mechanical strength and the tensile strength of ceramic-insulated core, effectively improved the mechanical strength and the tensile strength of ceramic-insulated core and base junction simultaneously, avoided appearing porcelain insulator body and base junction fracture damage's phenomenon, ensured high tension line steady operation, effectively promoted high tension transmission line's operational reliability and security, reached the effect that improves insulator life.

Preferably, two connecting plates are welded on the side wall of the base along the horizontal direction respectively, two connecting bolts are connected to the connecting plates in a threaded mode, and two connecting nuts are connected to the connecting bolts in a threaded mode.

Through adopting above-mentioned technical scheme, through the setting of two connecting plates, fix porcelain insulator on the mounting panel of wire pole back through fixing stud and fixation nut when porcelain insulator installs, carry out the auxiliary fixation to the base once more through connecting bolt and coupling nut, effectively improved the firm in connection of porcelain insulator and the mounting panel of wire pole for the insulator is more stable when installing on the mounting panel of wire pole, and then reaches the effect that has effectively improved high tension transmission line's operational reliability and security.

Preferably, the side wall of the joint of the ceramic insulation core and the base is provided with two reinforcing plates extending out of the base along the horizontal direction, the two reinforcing plates are respectively attached to the two connecting plates in a one-to-one correspondence manner, and the two connecting bolts respectively penetrate through the two reinforcing plates.

By adopting the technical scheme, the firmness of the connection between the ceramic insulating core and the telegraph pole mounting plate is further improved through the arrangement of the reinforcing plate, so that the insulator is more stable when being mounted on the telegraph pole mounting plate; simultaneously through the setting of gusset plate, can effectively improve the compactness that ceramic-insulated core and base are connected, promote the firmness that base and ceramic-insulated core are connected, avoid appearing porcelain insulator body and base junction fracture damage's phenomenon, ensure high tension line steady operation, effectively promoted high tension transmission line's operational reliability and security, reach the effect that improves insulator life.

Preferably, sliding rods penetrate through two side walls of the accommodating groove, the two sliding rods are arranged in opposite directions and are arranged along the width direction of the accommodating groove, one ends of the two sliding rods, which are located in the accommodating groove, are connected with clamping plates, the two clamping plates are made of ceramic materials, and anti-falling handles are arranged at the ends, which are far away from the accommodating groove, of the two sliding rods; two the cover is equipped with the elastic component on the slide bar, elastic component one end and the cell wall butt of holding tank, the other end and splint butt.

By adopting the technical scheme, the cable entering the accommodating groove is clamped and fixed through the arrangement of the sliding rod, the clamping plate and the elastic piece, so that the connecting stability of the cable and the insulator is effectively improved, and the phenomenon that the cable is separated from the accommodating groove is avoided; and through the setting of elastic component for the interval of two splint is adjustable, is convenient for hold the cable of different diameters, and the elastic component exerts pressure to the splint because of self elasticity after two splint are put into to the cable simultaneously, makes two splint tightly carry out the centre gripping to the cable, reaches the effect that improves cable and column insulator connection stability.

Preferably, the splint cross-section is the arc setting, equal threaded connection has stay bolt on two lateral walls of holding tank, stay bolt tip and splint butt.

By adopting the technical scheme, the cross section of the clamping plate is arc-shaped, so that the clamping plate is more attached to the cable, and the cable is stably and firmly clamped by the clamping plate; through the setting of two stay bolts, carry out the centre gripping fixed back to the cable at two splint, rotatory stay bolt for stay bolt's tip and splint butt, and then support the locking to two splint, make two splint can be steady carry out the centre gripping to the cable, further effectively improved the stability of being connected of cable and column type insulator.

Preferably, two splint top all is equipped with the deflector that leans out, deflector and splint integrated into one piece.

Through adopting above-mentioned technical scheme, through the setting of deflector, to being about to the cable that the card was gone into in the cardboard to lead when the wiring, the cable card of being convenient for goes into between two splint, has effectively promoted the installation effectiveness of cable and column insulator, and then reaches the effect that effectively improves insulator installation effectiveness.

Preferably, one side of each of the two clamping plates, which is opposite to the other side, is provided with a reinforcing plate, the reinforcing plate is connected with the sliding rod, the reinforcing plate is abutted against one end of the elastic part, and the reinforcing plate is abutted against the end part of the supporting bolt.

Through adopting above-mentioned technical scheme, through the setting of reinforcing plate, consolidate the splint, effectively improve the mechanical strength of splint, the splint of being convenient for more add stable the fixing to the cable for splint are sturdy and durable more, reach the effect that effectively improves column type insulator life.

Preferably, an elastic groove for accommodating the elastic piece is formed in a groove wall of the accommodating groove, and one end of the elastic piece is inserted into the elastic groove.

Through adopting above-mentioned technical scheme, through the setting in elasticity groove, can hold fixedly and protect the elastic component, can effectively increase the activity stroke of splint simultaneously, improve the practicality of splint centre gripping, reach the effect that improves cable and column type insulator connection stability.

Preferably, the ceramic insulating core is coated with an antifouling and corrosion-resistant glaze layer.

Through adopting above-mentioned technical scheme, through the setting on glaze layer, can protect the column type insulator, improve antifouling, wear-resisting and corrosion resisting property of column type insulator greatly for column type insulator is more durable, reaches the effect that effectively improves column type insulator intensity and life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ceramic insulating core is fixedly connected with the base to form a column insulator, and the ceramic insulating column is effectively protected by arranging the large umbrella skirt and the small umbrella skirt at intervals, so that the ceramic insulating column is protected from weather influence and electroerosion, and a required creepage distance is provided; the connecting stud is arranged in the ceramic insulating core, so that the mechanical strength and the tensile strength of the ceramic insulating core can be effectively improved, the base extends out of the bottom end of the connecting stud to form a fixing stud, the insulator is convenient to mount, the connection tightness of the ceramic insulating core and the base is effectively improved, the mechanical strength and the tensile strength of the joint of the ceramic insulating core and the base can be effectively improved through the arrangement of the connecting stud, the phenomenon that the joint of the ceramic insulator body and the base is broken and damaged due to the damage of the base is avoided, the ceramic insulating core is directly and tightly connected with the mounting plate of the telegraph pole, the operation reliability and the safety of the high-voltage transmission line are effectively improved, and the effect of prolonging the service life of the insulator is achieved;

2. the reinforcing layer is arranged, so that the mechanical strength and the tensile strength of the ceramic insulating core are further improved, the mechanical strength and the tensile strength of the joint of the ceramic insulating core and the base are effectively improved, the phenomenon of fracture and damage of the joint of the ceramic insulator body and the base is avoided, the stable operation of a high-voltage line is ensured, the operation reliability and the safety of a high-voltage transmission line are effectively improved, and the effect of prolonging the service life of the insulator is achieved;

3. through the arrangement of the sliding rod, the clamping plate and the elastic piece, the cable entering the accommodating groove is clamped and fixed, the stability of the connection between the cable and the insulator is effectively improved, and the phenomenon that the cable is separated from the accommodating groove is avoided; the distance between the two clamping plates can be adjusted through the arrangement of the elastic piece, cables with different diameters can be accommodated conveniently, and the elastic piece exerts pressure on the clamping plates due to the elasticity of the elastic piece after the cables are placed into the two clamping plates, so that the two clamping plates tightly clamp the cables, and the effect of improving the connection stability of the cables and the column insulator is achieved;

4. the cross section of the clamping plate is set to be arc-shaped, so that the clamping plate is more attached to the cable, and the cable is stably and firmly clamped by the clamping plate; through the setting of two stay bolts, carry out the centre gripping fixed back to the cable at two splint, rotatory stay bolt for stay bolt's tip and splint butt, and then support the locking to two splint, make two splint can be steady carry out the centre gripping to the cable, further effectively improved the stability of being connected of cable and column type insulator.

Drawings

FIG. 1 is a schematic structural diagram of a column porcelain insulator in the embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a ceramic insulating cylinder in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a post porcelain insulator according to an embodiment of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Description of reference numerals: 1. a ceramic insulating core; 11. a ceramic insulating column; 12. a large umbrella skirt; 13. a small umbrella skirt; 14. connecting a stud; 15. fixing the stud; 16. fixing a nut; 17. a reinforcing layer; 18. a reinforcing plate; 2. a base; 21. a connecting plate; 22. a connecting bolt; 23. a connecting nut; 3. accommodating grooves; 31. a slide bar; 32. a splint; 33. a drop-proof handle; 34. an elastic member; 35. a support bolt; 36. a guide plate; 37. a reinforcing plate; 38. an elastic groove; 4. antifouling corrosion-resistant glaze layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a column type porcelain insulator for a high-voltage line. Referring to fig. 1 and 3, the column type porcelain insulator for the high-voltage line comprises a ceramic insulating core 1 and a base 2, wherein the bottom of the ceramic insulating core 1 is fixedly connected with the base 2. Ceramic insulation core 1 includes ceramic insulated column 11, a plurality of big full skirt 12 and a plurality of little full skirt 13, ceramic insulated column 11, a plurality of big full skirt 12 and a plurality of little full skirt 13 integrated into one piece, and a plurality of big full skirt 12 and a plurality of little full skirt 13 set up on 11 lateral walls of ceramic insulated column along 11 length direction interval distribution of ceramic insulated column. 11 one end of ceramic insulation post and base 2 fixed connection, the holding tank 3 that is used for holding the cable is seted up to the other end. A connecting stud 14 is arranged in the ceramic insulating core 1, the bottom end of the connecting stud 14 extends out of the base 2 to form a fixing stud 15, and a fixing nut 16 is connected to the fixing stud 15 in a threaded mode. Form the column insulator with ceramic insulating core 1 and base 2 fixed connection, set up through the interval of big full skirt 12 and little full skirt 13, effectively protect ceramic insulation post 11, protect ceramic insulation post 11 to avoid weather effect and electroerosion to provide required creepage distance. The connecting studs 14 are arranged in the ceramic insulation core 1, so that the mechanical strength and the tensile strength of the ceramic insulation core 1 can be effectively improved, meanwhile, the bottom ends of the connecting studs 14 extend out of the base 2 to form fixing studs 15, and the connection tightness of the ceramic insulation core 1 and the base 2 is effectively improved while the insulator is convenient to mount. And through the setting of connecting stud 14, can effectively promote the mechanical strength and the tensile strength of ceramic insulating core 1 and base 2 junction, avoid leading to appearing the phenomenon of porcelain insulator body and base 2 junction fracture damage because of the base 2 damage for ceramic insulating core 1 is direct to be connected closely with the mounting panel of wire pole, has effectively promoted high tension transmission line's operational reliability and security, reaches the effect that improves insulator life.

Referring to fig. 2, the ceramic insulating core 1 is filled with a reinforcing layer 17, and the reinforcing layer 17 is made of a metal material. Through the setting of enhancement layer 17, further promoted the mechanical strength and the tensile strength of ceramic-insulated core 1, effectively improved the mechanical strength and the tensile strength of ceramic-insulated core 1 and base 2 junction simultaneously. The phenomenon of the fracture and the damage of the joint of the porcelain insulator body and the base 2 is avoided, the stable operation of a high-voltage line is ensured, the operation reliability and the safety of the high-voltage transmission line are effectively improved, and the effect of prolonging the service life of the insulator is achieved.

Referring to fig. 1, two connecting plates 21 are welded on the side wall of the base 2 along the horizontal direction, connecting bolts 22 are connected to the two connecting plates 21 through threads, and connecting nuts 23 are connected to the two connecting bolts 22 through threads. Through the setting of two connecting plates 21, fix porcelain insulator on the mounting panel of wire pole through fixing stud 15 and fixation nut 16 back when porcelain insulator installs, carry out the auxiliary fixation to base 2 once more through connecting bolt 22 and coupling nut 23, effectively improved the firm in connection of porcelain insulator and the mounting panel of wire pole for it is more stable when the insulator is installed on the mounting panel of wire pole, and then reach the effect that has effectively improved high tension transmission line's operational reliability and security.

Referring to fig. 3 and 4, two reinforcing plates 18 extending out of the base 2 in the horizontal direction are arranged on the side wall of the joint of the ceramic insulating core 1 and the base 2, the two reinforcing plates 18 are respectively attached to two connecting plates 21 in a one-to-one correspondence manner, and two connecting bolts 22 respectively penetrate through the two reinforcing plates 18. Through the setting of gusset plate 18, further promote the firmness that ceramic-insulated core 1 and wire pole mounting panel are connected for the insulator is more stable when installing on the mounting panel of wire pole. Simultaneously, through the arrangement of the reinforcing plate 18, the tightness of connection of the ceramic insulation core 1 and the base 2 can be effectively improved, the firmness of connection of the base 2 and the ceramic insulation core 1 is improved, the phenomenon of fracture and damage of the joint of the ceramic insulator body and the base 2 is avoided, the stable operation of a high-voltage line is ensured, the operation reliability and the safety of the high-voltage transmission line are effectively improved, and the effect of prolonging the service life of the insulator is achieved.

Referring to fig. 3 and 4, two side walls of the accommodating groove 3 are respectively provided with a sliding rod 31, and the two sliding rods 31 are oppositely arranged and are respectively arranged along the width direction of the accommodating groove 3. The one end that two slide bars 31 are located holding tank 3 all is connected with splint 32, and two splint 32 all adopt ceramic material to make. The ends of the two sliding rods 31 far away from the accommodating groove 3 are both provided with anti-falling handles 33. The two sliding rods 31 are sleeved with elastic pieces 34, one end of each elastic piece 34 is abutted to the groove wall of the accommodating groove 3, and the other end of each elastic piece 34 is abutted to the clamping plate 32. Through the setting of slide bar 31, splint 32 and elastic component 34, carry out the centre gripping to the cable that gets into holding tank 3 and fix, effectively improve the stability that cable and insulator are connected, avoid appearing the phenomenon that the cable breaks away from holding tank 3. And the distance between the two clamping plates 32 can be adjusted through the arrangement of the elastic piece 34, so that cables with different diameters can be accommodated. Meanwhile, the elastic part 34 applies pressure to the clamping plates 32 due to self elasticity after the cable is placed into the two clamping plates 32, so that the two clamping plates 32 tightly clamp the cable, and the effect of improving the connection stability of the cable and the column insulator is achieved.

Referring to fig. 3 and 4, the cross section of the clamping plate 32 is arc-shaped, and two side walls of the accommodating groove 3 are both connected with supporting bolts 35 in a threaded manner, and the end parts of the supporting bolts 35 are abutted to the clamping plate 32. The cross section of the clamping plate 32 is arc-shaped, so that the clamping plate 32 is more attached to the cable, and the clamping plate 32 can stably and firmly clamp the cable conveniently. Through the setting of two stay bolts 35, carry out the centre gripping fixed back at two splint 32 to the cable, rotatory stay bolt 35 for the tip and the splint 32 butt of stay bolt 35, and then support the locking to two splint 32, make two splint 32 can be steady carry out the centre gripping to the cable, further effectively improved the stability of being connected of cable and column insulator.

Referring to fig. 3 and 4, the two clamping plates 32 are each provided at the top thereof with an outwardly inclined guide plate 36, and the guide plates 36 are integrally formed with the clamping plates 32. Through the setting of deflector 36, to being about to block into the cable of cardboard when the wiring and leading, the cable card of being convenient for is gone into between two splint 32, has effectively promoted the installation effectiveness of cable and column insulator, and then reaches the effect that effectively improves insulator installation effectiveness.

Referring to fig. 3 and 4, a reinforcing plate 37 is provided on the opposite side of the two clamp plates 32, the reinforcing plate 37 is connected to the slide rod 31, the reinforcing plate 37 abuts against one end of the elastic member 34, and the reinforcing plate 37 abuts against the end of the support bolt 35. Through the setting of reinforcing plate 37, consolidate splint 32, effectively improve splint 32's mechanical strength, the splint 32 of being convenient for more fixes the cable with stable for splint 32 is sturdy and durable more, reaches the effect that effectively improves column insulator life.

Referring to fig. 3 and 4, an elastic groove 38 for accommodating the elastic member 34 is formed on a groove wall of the accommodating groove 3, and one end of the elastic member 34 is inserted into the elastic groove 38. Through the setting of elasticity groove 38, can hold fixedly and protect elastic component 34, can effectively increase splint 32's activity stroke simultaneously, improve the practicality of splint 32 centre gripping, reach the effect that improves cable and column insulator connection stability.

Referring to fig. 2, the ceramic insulating core 1 is coated with an anti-fouling and corrosion-resistant glaze layer 4. Through the setting on glaze layer, can protect the column type insulator, improve antifouling, wear-resisting and corrosion resisting property of column type insulator greatly for more durable of column type insulator reaches the effect that effectively improves column type insulator intensity and life.

The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.

Claims

1. The utility model provides a column type porcelain insulator for high-voltage line which characterized in that: the ceramic insulation core comprises a ceramic insulation core (1) and a base (2), wherein the bottom of the ceramic insulation core (1) is fixedly connected with the base (2); the ceramic insulation core (1) comprises a ceramic insulation column (11), a plurality of large umbrella skirts (12) and a plurality of small umbrella skirts (13), the ceramic insulation column (11), the large umbrella skirts (12) and the small umbrella skirts (13) are integrally formed, and the large umbrella skirts (12) and the small umbrella skirts (13) are distributed on the outer side wall of the ceramic insulation column (11) at intervals along the length direction of the ceramic insulation column (11); one end of the ceramic insulating column (11) is fixedly connected with the base (2), and the other end of the ceramic insulating column is provided with a containing groove (3) for containing a cable; the ceramic insulation core (1) is internally provided with a connecting stud (14), the bottom end of the connecting stud (14) extends out of the base (2) to form a fixing stud (15), and the fixing stud (15) is in threaded connection with a fixing nut (16).

2. The column type porcelain insulator for the high-voltage line according to claim 1, wherein: the ceramic insulation core (1) is filled with a reinforcing layer (17), and the reinforcing layer (17) is made of a metal material.

3. The column type porcelain insulator for the high-voltage line according to claim 1, wherein: two connecting plates (21) are welded on the side wall of the base (2) along the horizontal direction respectively, two connecting bolts (22) are connected to the connecting plates (21) in a threaded mode, and two connecting nuts (23) are connected to the connecting bolts (22) in a threaded mode.

4. The column type porcelain insulator for the high-voltage line according to claim 3, wherein: the side wall of the joint of the ceramic insulation core (1) and the base (2) is provided with two reinforcing plates (18) extending out of the base (2) along the horizontal direction, the two reinforcing plates (18) are respectively and correspondingly attached to the two connecting plates (21) one by one, and the connecting bolts (22) respectively penetrate through the two reinforcing plates (18).

5. The column type porcelain insulator for the high-voltage line according to claim 1, wherein: sliding rods (31) penetrate through two side walls of the accommodating groove (3), the two sliding rods (31) are arranged in opposite directions and are arranged along the width direction of the accommodating groove (3), one ends, located in the accommodating groove (3), of the two sliding rods (31) are connected with clamping plates (32), the two clamping plates (32) are made of ceramic materials, and anti-falling handles (33) are arranged at the ends, far away from the accommodating groove (3), of the two sliding rods (31); two the cover is equipped with elastic component (34) on slide bar (31), elastic component (34) one end and the cell wall butt of holding tank (3), the other end and splint (32) butt.

6. The column type porcelain insulator for the high-voltage line according to claim 5, wherein: splint (32) cross-section is the arc setting, equal threaded connection has stay bolt (35) on two lateral walls of holding tank (3), stay bolt (35) tip and splint (32) butt.

7. The column type porcelain insulator for the high-voltage line according to claim 6, wherein: two splint (32) top all is equipped with deflector (36) that outwards inclines, deflector (36) and splint (32) integrated into one piece.

8. The column type porcelain insulator for the high-voltage line according to claim 7, wherein: two splint (32) one side of keeping away from the back is equipped with reinforcing plate (37), reinforcing plate (37) are connected with slide bar (31), reinforcing plate (37) and the one end butt of elastic component (34), reinforcing plate (37) and stay bolt (35) tip butt.

9. The column type porcelain insulator for the high-voltage line according to claim 5, wherein: an elastic groove (38) used for accommodating the elastic piece (34) is formed in the groove wall of the accommodating groove (3), and one end of the elastic piece (34) is inserted into the elastic groove (38).

10. The column type porcelain insulator for the high-voltage line according to claim 1, wherein: and an antifouling corrosion-resistant glaze layer (4) is coated outside the ceramic insulating core (1).