49results about How to "Real-time temperature monitoring function" patented technology

The invention discloses an improved type high-voltage current transformer. The current transformer comprises a base tube, a core tube, two sets of pressing claw assemblies, two planar nuts and a current transformer, wherein the current transformer is arranged on the base tube in a sleeving manner; the base tube is equipped with crimping bosses; radial limiting sliding holes are formed in the tube wall of the core tube; one or more blocking tables are arranged on the inner circumferential wall of the core tube; the two planar nuts are both rotationally arranged in the tube cavity of the core tube, and are arranged on the two sides of the corresponding blocking table respectively; the driving thread parts of each set of pressing claw assembly are positioned on one side, far from the corresponding blocking table, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part which is meshed with and adapted to the driving thread part of each pressing claw of the corresponding one set of pressing claw assembly; and one or more mounting screw holes with one or more built-in temperature sensing apparatuses are formed in the base tube. The improved type high-voltage current transformer has an excellent anti-loosing effect.

The invention discloses an improved connecting power fitting. The improved connecting power fitting comprises a base tube, a core tube, two sets of press claw components and two flat nuts, wherein crimping bosses are arranged on the inner circumference wall of the base tube; radial limiting slide holes are arranged in the tube wall of the core tube; a stopping table is arranged on the inner circumference wall of the core tube; each set of press claw components comprise a plurality of press claws; the two flat nuts are rotationally arranged in a tube cavity of the core tube, and are separately located at two sides of the stopping table; each flat nut comprises a fastening part and a plane thread part which is matched with the press claws in one corresponding set of press claw components; an installation screw hole which runs through a wall body of the base tube along the radial direction is arranged in the base tube; and the installation screw hole of a built-in temperature sensing device is arranged in the base tube. The improved connecting power fitting has an excellent anti-looseness effect.

The invention discloses a high-voltage zero-sequence current transformer with relatively good wire clamping fastness. The high-voltage zero-sequence current transformer comprises a base tube, a core tube, two sets of press claw components, a flat nut and a current transformer body, wherein three crimping bosses are formed on the inner circumference wall of the base tube; six radial limiting slide holes are formed in the tube wall of the core tube; the current transformer body sleeves the outer wall of the base tube; each set of press claw components comprise three press claws; the flat nut is rotationally arranged in the tube cavity of the core tube; two side ends, along the axial direction of the core tube, of the flat nut are provided with plane thread parts respectively; a fastening part is arranged at the center of the flat nut; each plane thread part is meshed and matched with the drive thread parts of the press claws in one corresponding set of press claw components; and a mounting screw hole with a built-in temperature sensing device is formed in the base tube. The high-voltage zero-sequence current transformer has a relatively good anti-looseness effect.

The invention discloses an improved power zero-sequence current transformer, which comprises a base tube, a core tube, two sets of press claw components, two flat nuts and a current transformer body, wherein the current transformer body sleeves the base tube; crimping bosses are arranged on the base tube; radial limiting slide holes are formed in the tube wall of the core tube; a stopping table is arranged on the inner circumference wall of the core tube; the two flat nuts are rotationally arranged in a tube cavity of the core tube; the two flat nuts are separately located at two sides of the stopping table; drive thread parts in each set of press claw component all are located at one side, far away from the stopping table, of one corresponding flat nut; each flat nut comprises a fastening part and a plane thread part which is meshed and matched with the drive thread parts of the press claws in one corresponding set of press claw component; and a mounting screw hole of a built-in temperature sensing device is formed in the base tube. The improved power zero-sequence current transformer has an excellent anti-looseness effect.

The invention discloses an intelligent zero sequence current transformer with high line clamping intensity. The current transformer comprises a base tube, a core tube, a pressing joint part, a current transformer body and a pressing claw assembly, wherein at least three line clamping bosses are disposed on the inner circumferential wall of the base tube; the core tube is located in the cavity of the base tube; a radial limiting slide hole is formed in the tube wall of the core tube; an inner thread area is disposed on the inner wall of the core tube; the pressing claw assembly comprises multiple pressing claws; each pressing claw comprises a pressing plate part, a guide slide block part and a drive face; the pressing joint part comprises a body, an outer thread area and a pressing joint boss, and the outer thread area of the pressing joint part is fitted with the inner thread area of the core tube; the drive face of each pressing claw is fitted with the outer circumferential wall of the pressing joint boss; the current transformer body comprises an annular induction body; each line clamping hole is located in a hole cavity of the annular induction body; and an installation screw hole equipped with a built-in temperature sensing device is formed in the base tube. The current transformer disclosed by the invention has a function of real-time temperature monitoring.

The invention discloses an improved three-phase power zero-sequence current transformer. The improved three-phase power zero-sequence current transformer comprises a base tube, a core tube, two pressing claw assemblies, two planar nuts and a current transformer body, wherein the base tube is sleeved with the current transformer body and provided with crimping bosses; radial limiting sliding holes are formed in the wall of the core tube, and a stop block is arranged on the inner circumferential wall of the core tube; the two planar nuts are rotationally arranged in a cavity of the core tube and located on two sides of the stop block; a driving thread part of each pressing claw assembly is located on one side, far away from the stop block, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part meshed and matched with the driving thread part of each pressing claw of the corresponding pressing claw assembly; a mounting screw hole in which a temperature sensing device is arranged is formed in the base tube. The improved three-phase power zero-sequence current transformer has an excellent loosening prevention effect.

The invention discloses an improved electric power fitting for an overhead line.The improved electric power fitting comprises a base tube, a core tube, two sets of pressing claw assemblies and two planar nuts; the inner circumferential wall of the base tube is provided with pressing bosses, the tube wall of the core tube is provided with radial limiting slide holes, and the inner circumferential wall of the core tube is provided with a blocking table; each set of the pressing claw assembly comprises multiple pressing claws; the two planar nuts are both rotatably arranged in a tube cavity of the core tube and located on the two sides of the blocking table; each planar nut comprises a fastening portion and a planar thread portion matched with all the pressing claws in each set of the pressing claw assembly; the base tube is provided with an installing thread hole which penetrates through a base tube wall body in the radial direction and is internally provided with a temperature sensing device.The improved electric power fitting has the excellent anti-loosening effect.

The invention discloses an improved power zero-sequence current transformer. The improved power zero-sequence current transformer comprises a base tube, a core tube, two pressing claw assemblies, two planar nuts and a current transformer body, wherein the base tube is sleeved with the current transformer body and provided with crimping bosses; radial limiting sliding holes are formed in the wall of the core tube, and a stop block is arranged on the inner circumferential wall of the core tube; the two planar nuts are rotationally arranged in a cavity of the core tube and located on two sides of the stop block; a driving thread part of each pressing claw assembly is located on one side, far away from the stop block, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part meshed and matched with the driving thread part of each pressing claw of the corresponding pressing claw assembly; a mounting screw hole in which a temperature sensing device is arranged is formed in the base tube. The improved power zero-sequence current transformer has an excellent loosening prevention effect.

The invention discloses an improved electric fitting, which comprises a base pipe, a core pipe, two crimping parts and two sets of pressing jaw assemblies; the inner peripheral wall of the base pipe is provided with a plurality of clamping bosses; cavity; two sets of guide holes are provided on the tube wall of the core tube, and each set of guide holes includes a plurality of radial limit sliding holes; two internal thread areas are provided on the inner wall of the core tube; each set of pressure claw components includes A plurality of pressing jaws; each pressing jaw includes a pressing plate portion, a guide slider portion and a driving surface; each crimping piece includes a body, an external thread area arranged on the outer peripheral wall of the body and a crimping boss arranged on the inner side of the cylindrical body , the external thread area of ​​the crimping piece is adapted to the internal thread area of ​​the core tube; the driving surface of each pressure jaw is adapted to the outer peripheral wall of the crimping boss; the base tube is provided with a mounting screw hole for a built-in temperature sensing device; each When the crimping member rotates in a preset direction, the pressing plate portion of each pressing claw is pushed to move outward along the radial direction of the core tube. The invention has a brand-new structure, and the installation fastness is stable and reliable.

The invention discloses an improved high-voltage current transformer, which comprises a base tube, a core tube, two sets of press claw components, two flat nuts and a current transformer body, wherein the current transformer body sleeves the base tube; crimping bosses are arranged on the base tube; radial limiting slide holes are formed in the tube wall of the core tube; a stopping table is arranged on the inner circumference wall of the core tube; the two flat nuts are rotationally arranged in a tube cavity of the core tube; the two flat nuts are separately located at two sides of the stopping table; drive thread parts in each set of press claw components all are located at one side, far away from the stopping table, of one corresponding flat nut; each flat nut comprises a fastening part and a plane thread part which is meshed and matched with the drive thread parts of the press claws in one corresponding set of press claw components; and a mounting screw hole with a built-in temperature sensing device is formed in the base tube. The improved high-voltage current transformer has an excellent anti-looseness effect.

The invention discloses an intelligent high-voltage zero sequence current mutual inductor having high clamping strength. The intelligent high-voltage zero sequence current mutual inductor includes a base tube, a core tube, a compression piece, a current mutual inductor and a compression claw assembly; the inner circumferential wall of the base tube is provided with at least three clamping bosses; the core tube is positioned in a cavity of the base tube; the wall of the core tube is provided with radial limiting slide holes; the inner wall of the core tube is provided with an internal thread zone; the compression claw assembly includes a plurality of compression claws, and each compression claw includes a compression plate portion, a guide slide block portion and a driving surface; the compression piece includes a compression piece body, an external thread zone, and a compression boss; the external thread zone of the compression piece matches the internal thread zone of the core tube; the driving surfaces of all the compression claws matches the outer circumferential wall of the compression boss; the current mutual inductor includes a circular induction body; all the clamping holes are formed in a hole cavity of the circular induction body; and the base tube is provided with an installation screw hole which is internally provided with a temperature sensing device. The intelligent high-voltage zero sequence current mutual inductor has the function of temperature real-time monitoring.

The invention discloses a splicing clamp for power transmission and distribution lines, which comprises a core tube, a set of pressing claw assemblies, a flat nut and a crimping piece; The anti-off connection part is detachably arranged on the core tube, and the pressure plate part is located outside the core tube; the tube wall of the core tube is provided with a radial limit slide hole; the pressure jaw assembly includes a clamping hole for combining with the crimping piece The pressure claw; the pressure claw includes a top plate part, a guide slider part and a driving thread part; the top plate part is located outside the core tube, the guide slider part is inserted into a corresponding radial limit sliding hole on the core tube, and the drive thread part extends into the in the lumen of the core tube; the plane nut is rotatably arranged in the lumen of the core tube; at least one crimping piece is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.

The invention discloses an electric power connection fitting with better clamping fastness, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and a flat nut; the inner peripheral wall of the base pipe is provided with a crimping boss, and The tube wall is provided with a radial limit sliding hole; each set of pressure claw assembly includes a plurality of pressure claws; each pressure plate part and a corresponding crimping boss are clamped to form a clamping hole; the flat nut is rotated and set on the core tube In the lumen; the two ends of the plane nut along the axial direction of the core tube are respectively provided with a plane threaded part, and the center of the plane nut is provided with a fastening part; each plane threaded part and each pressure claw in a corresponding set of pressure claw components The driving thread part is engaged and matched; the base pipe is provided with a mounting screw hole radially penetrating through the wall of the base pipe; the base pipe is provided with a mounting screw hole of a built-in temperature sensing device. The invention has better anti-loosening effect.

The invention discloses an improved connecting fitting for overhead lines, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and two flat nuts; The wall is provided with a radial limit sliding hole, and the inner peripheral wall of the core tube is provided with a block; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube lumen, and the two flat surfaces The nuts are separated on both sides of the block; each flat nut includes a fastening part and a flat threaded part adapted to each pressing jaw in a corresponding set of pressing jaw assembly; the base pipe is provided with a mounting screw hole radially penetrating through the base pipe wall ; The base pipe is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.

The invention discloses an improved electric power fitting, which comprises a base pipe, a core pipe, two crimping parts and two sets of pressing jaw assemblies; the inner peripheral wall of the base pipe is provided with a plurality of clamping bosses; cavity; two sets of guide holes are provided on the tube wall of the core tube, and each set of guide holes includes a plurality of radial limit sliding holes; two internal thread areas are provided on the inner wall of the core tube; each set of pressure claw components includes A plurality of pressing jaws; each pressing jaw includes a pressing plate portion, a guide slider portion and a driving surface; each crimping piece includes a body, an external thread area arranged on the outer peripheral wall of the body and a crimping boss arranged on the inner side of the cylindrical body , the external thread area of ​​the crimping piece is adapted to the internal thread area of ​​the core tube; the driving surface of each pressure jaw is adapted to the outer peripheral wall of the crimping boss; when each crimping piece rotates in the preset direction, each pressure jaw is pushed The pressing plate part moves outward along the radial direction of the core tube. The invention has a brand-new structure, and the installation fastness is stable and reliable.

The invention discloses a zero-sequence current transformer with relatively good wire clamping fastness. The zero-sequence current transformer comprises a base tube, a core tube, two sets of press claw components, a flat nut and a current transformer body, wherein three crimping bosses are formed on the inner circumference wall of the base tube; six radial limiting slide holes are formed in the tube wall of the core tube; the current transformer body sleeves the outer wall of the base tube; each set of press claw components comprise three press claws; the flat nut is rotationally arranged in the tube cavity of the core tube; two side ends, along the axial direction of the core tube, of the flat nut are provided with plane thread parts respectively; a fastening part is arranged at the center of the flat nut; each plane thread part is meshed and matched with the drive thread parts of the press claws in one corresponding set of press claw components; and a mounting screw hole with a built-in temperature sensing device is formed in the base tube. The zero-sequence current transformer has a relatively good anti-looseness effect.

The invention discloses an improved electric power fitting for overhead lines, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and two plane nuts; The wall is provided with a radial limit sliding hole, and the inner peripheral wall of the core tube is provided with a block; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably set in the core tube lumen, and the two flat surfaces Nuts are located on both sides of the block; each flat nut includes a fastening part and a flat threaded part adapted to each pressing jaw in a corresponding set of pressing jaw assembly; the base pipe is provided with a mounting screw hole radially penetrating through the base pipe wall ; The base pipe is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.

The invention discloses an intelligent zero sequence current transformer with a real-time temperature monitoring function. The current transformer comprises a base tube, a core tube, a pressing joint part, a current transformer body and a pressing claw assembly, wherein at least three line clamping bosses are disposed on the inner circumferential wall of the base tube; the core tube is located in the cavity of the base tube; a radial limiting slide hole is formed in the tube wall of the core tube; an inner thread area is disposed on the inner wall of the core tube; the pressing claw assembly comprises multiple pressing claws; each pressing claw comprises a pressing plate part, a guide slide block part and a drive face; the pressing joint part comprises a body, an outer thread area and a pressing joint boss, and the outer thread area of the pressing joint part is fitted with the inner thread area of the core tube; the drive face of each pressing claw is fitted with the outer circumferential wall of the pressing joint boss; the current transformer body comprises an annular induction body; each line clamping hole is located in a hole cavity of the annular induction body; and an installation screw hole equipped with a built-in temperature sensing device is formed in the base tube. The current transformer disclosed by the invention has the real-time temperature monitoring function.

The invention discloses an improved high-voltage current transformer. The improved high-voltage current transformer comprises a base tube, a core tube, two pressing claw assemblies, two planar nuts and a current transformer body, wherein the base tube is sleeved with the current transformer body and provided with crimping bosses; radial limiting sliding holes are formed in the wall of the core tube, and a stop block is arranged on the inner circumferential wall of the core tube; the two planar nuts are rotationally arranged in a cavity of the core tube and located on two sides of the stop block; a driving thread part of each pressing claw assembly is located on one side, far away from the stop block, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part meshed and matched with the driving thread part of each pressing claw of the corresponding pressing claw assembly; a mounting screw hole in which a temperature sensing device is arranged is formed in the base tube. The improved high-voltage current transformer has an excellent loosening prevention effect.

The invention discloses an improved splicing fitting used for an overhead line. The improved splicing fitting comprises a base tube, a core tube, two sets of pressing claw components and two plane nuts. The internal circumferential wall of the base tube is provided with crimping bosses. The tube wall of the core tube is provided with radial limiting slide holes. The internal circumferential wall of the core tube is provided with a blocking stand. Each set of pressing claw component comprises multiple pressing claws. The two plane nuts are rotatably arranged in the tube cavity of the core tube. The two plane nuts are respectively arranged at the two sides of the blocking stand. Each plane nut comprises a fastening part and a plane thread part which is adaptive to each pressing claw of one corresponding set of pressing claw component. The base tube is provided with installing screw holes which penetrate through the wall body of the base tube along a radial direction. The base tube is provided with the installing screw holes which are internally provided with a temperature sensing device. The improved splicing fitting used for the overhead line has an excellent anti-loosening effect.

The invention discloses an easy-to-install high-voltage zero-sequence current transformer, which comprises a base tube, a core tube, one set of press claw component, a flat nut and a current transformer body, wherein the current transformer body sleeves the base tube; three crimping bosses are arranged on the inner circumference wall of the base tube; three radial limiting slide holes are formed in the core tube; the press claw component comprises three press claws; each press claw comprises a press plate part and a drive thread part; the press plate parts and corresponding one crimping boss are clamped to form a wire clamping hole; the press claw component and the three crimping bosses form three wire clamping holes in all; the flat nut is rotationally arranged in a tube cavity of the core tube and comprises a plane thread part which is meshed and matched with the drive thread part of each press claw; and a mounting screw hole of a built-in temperature sensing device is formed in the base tube. The easy-to-install high-voltage zero-sequence current transformer has an excellent anti-looseness effect.

The invention discloses an improved type zero-sequence current transformer. The current transformer comprises a base tube, a core tube, two sets of pressing claw assemblies, two planar nuts and a current transformer, wherein the current transformer is arranged on the base tube in a sleeving manner; the base tube is equipped with crimping bosses; radial limiting sliding holes are formed in the tube wall of the core tube; one or more blocking tables are arranged on the inner circumferential wall of the core tube; the two planar nuts are both rotationally arranged in the tube cavity of the core tube, and are arranged on the two sides of the corresponding blocking table respectively; the driving thread parts of each set of pressing claw assembly are positioned on one side, far from the corresponding blocking table, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part which is meshed with and adapted to the driving thread part of each pressing claw of the corresponding one set of pressing claw assembly; and one or more mounting screw holes with one or more built-in temperature sensing apparatuses are formed in the base tube. The improved type zero-sequence current transformer has an excellent anti-loosing effect.

The invention discloses an improved power zero-sequence current transformer. The improved power zero-sequence current transformer comprises a base tube, a core tube, two pressing claw assemblies, two planar nuts and a current transformer body, wherein the base tube is sleeved with the current transformer body and provided with crimping bosses; radial limiting sliding holes are formed in the wall of the core tube, and a stop block is arranged on the inner circumferential wall of the core tube; the two planar nuts are rotationally arranged in a cavity of the core tube and located on two sides of the stop block; a driving thread part of each pressing claw assembly is located on one side, far away from the stop block, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part meshed and matched with the driving thread part of each pressing claw of the corresponding pressing claw assembly; a mounting screw hole in which a temperature sensing device is arranged is formed in the base tube. The improved power zero-sequence current transformer has an excellent loosening prevention effect.

The invention discloses an improved zero-sequence current transformer. The improved zero-sequence current transformer comprises a base tube, a core tube, two pressing claw assemblies, two planar nuts and a current transformer body, wherein the base tube is sleeved with the current transformer body and provided with crimping bosses; radial limiting sliding holes are formed in the wall of the core tube, and a stop block is arranged on the inner circumferential wall of the core tube; the two planar nuts are rotationally arranged in a cavity of the core tube and located on two sides of the stop block; a driving thread part of each pressing claw assembly is located on one side, far away from the stop block, of the corresponding planar nut; each planar nut comprises a fastening part and a planar thread part meshed and matched with the driving thread part of each pressing claw of the corresponding pressing claw assembly; a mounting screw hole in which a temperature sensing device is arranged is formed in the base tube. The improved zero-sequence current transformer has an excellent loosening prevention effect.

The invention discloses an electric power connection fitting with better clamping fastness, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and a flat nut; the inner peripheral wall of the base pipe is provided with a crimping boss, and The tube wall is provided with a radial limit sliding hole; each set of pressure claw assembly includes a plurality of pressure claws; each pressure plate part and a corresponding crimping boss are clamped to form a clamping hole; the flat nut is rotated and set on the core tube In the lumen; the two ends of the plane nut along the axial direction of the core tube are respectively provided with a plane threaded part, and the center of the plane nut is provided with a fastening part; each plane threaded part and each pressure claw in a corresponding set of pressure claw components The driving thread part is engaged and matched; the base pipe is provided with a mounting screw hole radially penetrating through the wall of the base pipe; the base pipe is provided with a mounting screw hole of a built-in temperature sensing device. The invention has better anti-loosening effect.

The invention discloses an intelligent high-voltage zero sequence current transformer with higher wire-clamping strength. The intelligent high-voltage zero sequence current transformer comprises a base tube, a core tube, a current transformer, a crimping part and a claw pressing component, wherein at least three wire clamping bosses are arranged on the inner peripheral wall of the base tube; the core tube is located in a tube cavity of the base tube; a radial limiting slide hole is formed in the tube wall of the core tube; an internal thread area is arranged on an inner wall of the core tube; the claw pressing component comprises a plurality of pressing claws; each of the pressing claws comprises a pressing plate part, a guiding slide block part and a driving surface; the crimping part comprises a body, an external thread area and a crimping boss; the external thread area of the crimping part is matched with the internal thread area of the core tube; the driving surface of each pressing claw is matched with a peripheral wall of the crimping boss; the current transformer comprises an annular sensing body; each of the wire clamping holes is located in a hole cavity of the annular sensing body; a mounting thread hole with a built-in temperature sensor is formed on the base tube. The intelligent high-voltage zero sequence current transformer has the real-time temperature monitoring function.

The invention discloses a high-voltage power zero sequence current transformer easy to install. The high-voltage power zero sequence current transformer comprises a base tube, a core tube, a set of press claw assembly, a planar nut and a current transformer, wherein the current transformer sleeves the base tube, three crimping bosses are arranged on the inner peripheral wall of the base tube, three radial limitation sliding holes are formed in the core tube, the press claw assembly comprises three press claws, each press claw comprises a press plate part and a driving thread part, each press plate part and the corresponding crimping boss are clamped to form a wire clamping hole, the press claw assembly and the three crimping bosses jointly form three wire clamping holes, the planar nut is rotatably arranged in a tube cavity of the core tube and comprises a planar thread part, the planar thread part is in engagement adaptive to the driving thread part of each press claw, an installation screw hole is formed in the base tube, and a temperature sensing device is arranged in the screw hole. The high-voltage power zero sequence current transformer has excellent loosening-preventing effect.

The invention discloses an improved electric wire clamping fitting, which comprises a base pipe, a core pipe, two crimping parts and two sets of pressing claw assemblies; In the tube lumen; two sets of guide holes are provided on the tube wall of the core tube, and each set of guide holes includes a plurality of radial limit sliding holes; two internal thread areas are provided on the inner wall of the core tube; each set of pressure claw components Each includes a plurality of pressing jaws; each pressing jaw includes a pressing plate portion, a guide slider portion and a driving surface; each crimping piece includes a body, an external thread area arranged on the outer peripheral wall of the body, and a crimping member arranged on the inner side of the cylindrical body The boss, the outer threaded area of ​​the crimping piece is adapted to the inner threaded area of ​​the core tube; the driving surface of each pressure jaw is adapted to the outer peripheral wall of the crimping boss; the base tube is provided with a mounting screw hole for a built-in temperature sensing device ; When each crimping piece rotates along the preset direction, the pressing plate part of each pressing claw is pushed to move outward along the radial direction of the core tube. The invention has a brand-new structure, and the installation fastness is stable and reliable.

The invention discloses an improved electric power fitting for overhead lines, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and two plane nuts; The wall is provided with a radial limit sliding hole, and the inner peripheral wall of the core tube is provided with a block; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably set in the core tube lumen, and the two flat surfaces Nuts are located on both sides of the block; each flat nut includes a fastening part and a flat threaded part adapted to each pressing jaw in a corresponding set of pressing jaw assembly; the base pipe is provided with a mounting screw hole radially penetrating through the base pipe wall ; The base pipe is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.