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67results about How to "With real-time temperature monitoring function" patented technology

Power transmission and distribution puncture wire clamp

The invention discloses a puncture wire clamp for power transmission and distribution, which comprises a base pipe, a core pipe, a set of pressing jaw assemblies and a flat nut; There is a radial limit sliding hole on the top, and an annular stopper is provided on the inner peripheral wall of the core tube; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the flat nut rotates It is arranged in the lumen of the core tube; the plane nut includes a plane threaded part which is engaged with the driving threaded part of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.
Owner:申清章

Wire clamping fitting for preventing cable loosening

The invention discloses a clamping fitting for preventing the cable from loosening, which comprises a pressing bolt, a core tube, a crimping assembly and a pressing claw assembly; a radial guiding sliding hole is arranged on the tube wall of the core tube; There is an internal thread area in the middle; the crimping assembly includes a plurality of crimping parts; each crimping part is provided with a pressing plate part and an anti-off connection part; the crimping part is detachably arranged on the core tube through the anti-off connection part; the pressure claw The assembly includes a plurality of pressing jaws; each pressing jaw includes a top plate part, a guide slider part and a driving surface; each guide slider part is inserted into a corresponding radial guide sliding hole; the pressing bolt includes a body, an external thread area and a pressing protrusion The shape of the top pressure boss is conical truncated; the external thread area of ​​the top pressure bolt is adapted to the internal thread area of ​​the core tube; the driving surface of each pressure claw is adapted to the outer peripheral wall of a corresponding top pressure boss; at least one The crimping piece has a mounting screw hole with a built-in temperature sensing device. The installation fastness of the invention is stable and reliable.
Owner:胡小青

Three-phase electric zero sequence current transformer for preventing cable from loosening

The invention discloses a three-phase electric zero sequence current transformer for preventing a cable from loosening. The three-phase electric zero sequence current transformer comprises a jacking bolt, a core tube, a current transformer, a crimping component and a claw pressing component, wherein a radial-guiding slide hole is formed on a tube wall of the core tube; an internal thread area is formed in a tube cavity of the core tube; the crimping component comprises a plurality of crimping parts; each of the crimping parts is provided with a pressing plate part and an anti-loosening connecting part; each of the crimping parts is detachably arranged on the core tube through the anti-loosening connecting part; the claw pressing component comprises a plurality of pressing claws; each of the pressing claws comprises a top plate part, a guiding slide block part and a driving surface; each guiding slide block part is inserted into a corresponding radial guiding slide hole; the jacking bolt comprises a body, an external thread area and a jacking boss; the jacking boss has the shape of a circular cone platform; the external thread area of the jacking bolt 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 one corresponding jacking boss; a mounting thread hole with a built-in temperature sensor is formed on at least one of the crimping parts. The three-phase electric zero sequence current transformer is firmly, stably and reliably mounted.
Owner:胡小青

High voltage electricity zero sequence current transformer for electricity transmission and distribution line

The invention discloses a high voltage electricity zero sequence current transformer for an electricity transmission and distribution line. The high voltage electricity zero sequence current transformer comprises a base tube, a stem, a bolt, a current transformer and a clamping plate assembly; the base tube comprises a tube pressing portion and a plate sealing portion which are arranged in a relatively fixed mode; the plate sealing portion is provided with a limit sliding hole and wire penetrating holes; the inner wall of the tube pressing portion is provided with crimping bosses; the peripheral wall of the stem is provided with conical crimping surfaces; the clamping plate assembly comprises wire clamping plates; the inner walls of the wire clamping plates are provided with guide sliding tables; each wire clamping plate is provided with a guide sliding groove; each crimping boss is provided with a limit sliding column matched with the corresponding guide sliding groove; each wire clamping plate is arranged to directly face the corresponding crimping boss; the current transformer comprises an annular induction body; all the wire clamping holes are located in a hole cavity of the annular induction body; the bolt is rotated to push all the wire clamping plates to move in the radial direction of the tube pressing portion; the base tube is provided with an installation bolt hole which penetrates through the wall of the tube pressing portion in the radial direction of the base tube; a temperature sensing device is fixedly arranged in the installation bolt hole. The high voltage electricity zero sequence current transformer has the real-time temperature monitoring function.
Owner:钱才英

Power transmission and distribution puncture wire clamp

The invention discloses a puncture wire clamp for power transmission and distribution, which comprises a base pipe, a core pipe, a set of pressing jaw assemblies and a flat nut; There is a radial limit sliding hole on the top, and an annular stopper is provided on the inner peripheral wall of the core tube; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the flat nut rotates It is arranged in the lumen of the core tube; the plane nut includes a plane threaded part which is engaged with the driving threaded part of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.
Owner:申清章

Power line clamp for overhead line

The invention discloses a power line clamp for overhead lines, which comprises a base pipe, a core pipe, a set of pressing claw assemblies and a plane nut; There are radial limit sliding holes, and the inner peripheral wall of the core tube is provided with an annular stopper; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the rotation of the plane nut is set on In the lumen of the core tube; the flat nut includes a flat threaded portion that is engaged with the driving threaded portion of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.
Owner:申清章

Electric power splicing fitting

The invention discloses a power connection fitting, which comprises a core tube, two sets of pressing jaw assemblies, two flat nuts and at least one crimping piece; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide 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 nuts are separated Both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; 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.
Owner:胡妍

Electric power connection fitting

The invention discloses a power connection fitting, which comprises a core tube, two sets of pressing jaw assemblies, two flat nuts and at least one crimping piece; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide hole, and a block is provided on the inner peripheral wall of the core tube; 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 nuts are separated On both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; 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.
Owner:胡妍

Electric power fitting for preventing cable loosening

The invention discloses an electric power fitting for preventing cables from loosening, which comprises a pressing bolt, a core tube, a crimping assembly and a pressing claw assembly; a radial guiding sliding hole is arranged on the tube wall of the core tube; There is an internal thread area; the crimping assembly includes a plurality of crimping parts; each crimping part is provided with a pressure plate part and an anti-off connection part; the crimping parts are detachably arranged on the core tube through the anti-off connection part; the pressure claw assembly It includes a plurality of pressure claws; each pressure claw includes a top plate part, a guide slider part and a driving surface; each guide slider part is inserted into a corresponding radial guide slide hole; the top pressure bolt includes a body, an external thread area and a top pressure boss , the shape of the top pressure boss is a truncated cone; the external thread area of ​​the top pressure bolt is adapted to the internal thread area of ​​the core tube; the driving surface of each pressure claw is adapted to the outer peripheral wall of a corresponding top pressure boss; at least one pressure The connector is provided with a mounting screw hole for a built-in temperature sensing device. The installation fastness of the invention is stable and reliable.
Owner:胡小青

Power line clamp for overhead line

The invention discloses a power line clamp for an overhead line. The power line clamp comprises a base tube, a core tube, a set of pressing claw assembly and a plane nut, wherein the inner circumferential wall of the base tube is equipped with a pressing boss, a radial limiting slide hole is formed in the tube wall of the core tube, and the inner circumferential wall of the core tube is equipped with an annular blocking table; the pressing claw assembly comprises multiple pressing claws, and each pressing claw comprises a pressing plate part, a guide slide block part and a driving threaded part; the plane nut is disposed in the tube chamber of the core tube in a rotatable manner; the plane nut comprises a plane threaded part which is meshed and fit with the driving threaded part of each pressing claw; and an installation screw hole equipped with a built-in temperature sensing device is formed in the base tube. The power line clamp disclosed by the invention can effectively prevent loosening.
Owner:申清章

Three-phase high-voltage zero-sequence current transformer

The invention discloses a three-phase high-voltage zero-sequence current transformer, which comprises a core tube, one set of press claw components, a flat nut, a current transformer body and three crimping parts, wherein each crimping part is provided with a press plate part and an anti-drop connection part; the crimping parts are detachably arranged on the core tube through the anti-drop connection parts respectively; the press plate parts are located at the outer side of the core tube; three radial limiting slide holes are formed in the tube wall of the core tube; the press claw components comprise three press claws; each press claw comprises a top plate part, a guide slide block part and a drive thread part; each guide slide block part is inserted into one corresponding radial limiting slide hole; the drive thread parts extend into a tube cavity of the core tube; the flat nut is rotationally arranged in the tube cavity of the core tube; the flat nut comprises a plane thread part; the current transformer body comprises an annular base body; the annular base body is located at the outer sides of the crimping parts; and a mounting screw hole of a built-in temperature sensing device is formed in at least one crimping part. The three-phase high-voltage zero-sequence current transformer has a real-time temperature monitoring function.
Owner:胡妍

Zero sequence current transformer applicable to overhead line

The invention discloses a zero sequence current transformer applicable to an overhead line. The current transformer comprises a base tube, a core column, a bolt, a current transformer body and a clamping plate assembly, wherein the base tube comprises a tube pressing plate and a plate sealing part; the plate sealing part and the tube pressing part are disposed in a relatively fixed manner; a limiting slide hole and a threading hole are formed in the plate sealing part; the core column is equipped with a top pressing slide groove and a conical pressing joint face; a center screw hole is formed in the center of the core column along the axial direction of the tube pressing part; the clamping plate assembly comprises at least three line clamping plates; each line clamping plate faces a corresponding pressing joint boss; a fastening part of the bolt is located on the outer side of the plate sealing part, and a rod body of the bolt passes through the limiting slide hole and is located in the center screw hole of the core column; the current transformer body comprises an annular induction body; each line clamping hole is located in a hole cavity of the annular induction body; an installation screw hole which passes through the wall part of the tube pressing part along the radial direction of the base tube is formed in the base tube; a temperature sensing device is firmly disposed in the installation screw hole; and the bolt is rotated and the core column is pulled to push and press each line clamping plate, so that the line clamping plates can move outwards along the radial direction of the tube pressing part. The current transformer disclosed by the invention has the advantages of a compact structure and good performance.
Owner:胡小青

Power fitting used for overhead line

The invention discloses a power fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide 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 nuts are separated Both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; 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.
Owner:申俊

Electric power splicing fitting

The invention discloses an electric power splicing fitting. The electric power splicing fitting comprises a core tube, two sets of pressing claw assemblies, two plane nuts and at least one compression joint part. A compression joint boss is arranged on the inner circumferential wall of the core tube, a radial limiting sliding hole is formed in the tube wall of the core tube, and a baffle platform is arranged on the inner circumferential wall of the core tube. Each set of pressing claw assembly comprises a plurality of pressing claws. The two plane nuts are rotationally arranged in a core tube cavity and arranged on the two sides of the baffle platform respectively. Each plane nut comprises a fastening part and a plane thread part matched with the pressing claws in the corresponding set of pressing claw assembly. At least one compression joint part is provided with an installation threaded hole internally provided with a temperature sensing device. The electric power splicing fitting has a real-time temperature monitoring function.
Owner:胡妍

Improved middle-high voltage zero-sequence current transformer

The invention discloses an improved middle-high voltage zero-sequence current transformer, which comprises a base tube, a core tube, two crimping parts and two sets of press claw components, wherein a plurality of wire clamping bosses are arranged on the inner circumference wall of the base tube; the tube wall of the core tube is provided with two groups of guide holes; each group of guide holes comprise a plurality of radial limiting slide holes; two inner thread regions are arranged on the inner wall of the core tube; each sets of press claw components comprise a plurality of press claws; each press claw comprises a press plate part, a guide slide block part and a drive surface; each crimping part comprises a body, an outer thread region and a crimping boss; each outer thread region is arranged on the outer circumference wall of the body; each crimping boss is arranged at the inner side end of the columnar body; the outer thread regions of the crimping parts are matched with the inner thread regions of the core tube; the drive surface of each press claw is matched with the outer circumference wall of the corresponding crimping boss; an installation screw hole of a built-in temperature sensing device is arranged in the base tube; and each crimping part pushes the press plate parts in one corresponding set of press claw components to move outwards along the radial direction of the core tube when rotating along the preset direction. The improved middle-high voltage zero-sequence current transformer has relatively good performance; and intelligentization of a power grid is improved.
Owner:胡小青

High voltage electricity zero sequence current transformer for electricity transmission and distribution line

The invention discloses a high voltage electricity zero sequence current transformer for an electricity transmission and distribution line. The high voltage electricity zero sequence current transformer comprises a base tube, a stem, a bolt, a current transformer and a clamping plate assembly; the base tube comprises a tube pressing portion and a plate sealing portion which are arranged in a relatively fixed mode; the plate sealing portion is provided with a limit sliding hole and wire penetrating holes; the inner wall of the tube pressing portion is provided with crimping bosses; the peripheral wall of the stem is provided with conical crimping surfaces; the clamping plate assembly comprises wire clamping plates; the inner walls of the wire clamping plates are provided with guide sliding tables; each wire clamping plate is provided with a guide sliding groove; each crimping boss is provided with a limit sliding column matched with the corresponding guide sliding groove; each wire clamping plate is arranged to directly face the corresponding crimping boss; the current transformer comprises an annular induction body; all the wire clamping holes are located in a hole cavity of the annular induction body; the bolt is rotated to push all the wire clamping plates to move in the radial direction of the tube pressing portion; the base tube is provided with an installation bolt hole which penetrates through the wall of the tube pressing portion in the radial direction of the base tube; a temperature sensing device is fixedly arranged in the installation bolt hole. The high voltage electricity zero sequence current transformer has the real-time temperature monitoring function.
Owner:钱才英

Matching armor clamp for overhead line

The invention discloses a matching armor clamp for an overhead line. The armor clamp comprises a core tube, two sets of pressing claw assemblies, two plane nuts and at least one pressing part, wherein the inner circumferential wall of the core tube is equipped with a pressing boss, a radial limiting slide hole is formed in the tube wall of the core tube, and a blocking platform is disposed on the inner circumferential wall of the core tube; each set of pressing claw assembly comprises multiple pressing claws; the two plane nuts are disposed in the tube chamber of the core tube in a rotatable manner, and the two plane nuts are located on two side of the blocking platform respectively; each plane nut comprises a fastening part and a plane threaded part which is matched with each pressing claw in the corresponding pressing claw assembly; and at least one pressing part is equipped with an installation screw hole which comprises a built-in temperature sensing device. The armor clamp disclosed by the invention has a function of real-time temperature monitoring.
Owner:胡妍

Electric power connection metal fitting for overhead line

The present invention discloses an electric power connection metal fitting for an overhead line. The electric power connection metal fitting comprises a core tube, two pressing claw assemblies and two planar nuts. A crimping boss is arranged at the internal wall of the core tube, a radial spacing slide opening is arranged on the wall of the core tube, and a block platform is arranged at the internal wall of the core tube; each pressing claw assembly includes a plurality of pressing claws; two planar nuts are rotatingly arranged in the core tube cavity, and the two planar nuts are arranged at two sides of the block platform; each planar nut includes a fastening part and a planar screw part adaptive to each pressing claw in the corresponding pressing claw assembly; and at least one pressing connection piece is provided with an installation screw internally provided with a temperature sensing device. The electric power connection metal fitting for an overhead line has the function of real-time temperature monitoring.
Owner:申俊

High-voltage zero sequence current transformer

The invention discloses a high-voltage zero sequence current transformer. The high-voltage zero sequence current transformer comprises a core tube, a set of press claw assembly, a planar nut, a current transformer and three crimping elements, wherein each crimping element is provided with a press plate part and a disconnection-preventing connection part and is detachably arranged on the core tube by the disconnection-preventing connection part, the press plate parts are arranged outside the core tube, three radial limitation sliding holes are formed in the tube wall of the core tube, the press claw assembly comprises three press claws, each press claw comprises a top plate part, a guide sliding block part and a driving thread part, the guide sliding block part is inserted into the corresponding radial limiting sliding hole, the driving thread parts extend into a tube cavity of the core tube, the planar nut is rotatably arranged in the tube cavity of the core tube and comprises a planar thread part, the current transformer comprises an annular substrate, the annular substrate is arranged outside the crimping elements, an installation screw hole is formed in at least one of the crimping elements, and a temperature sensing device is arranged in the installation screw hole. The high-voltage zero sequence current transformer has a function of monitoring temperature in real time.
Owner:胡妍

High-voltage electric power zero-sequence current transformer for power transmission and distribution line

The invention discloses a high-voltage electric power zero-sequence current transformer for a power transmission and distribution line. The high-voltage electric power zero-sequence current transformer comprises a base tube, a core column, a bolt, a current transformer body and a plate-clamping assembly, wherein the base tube comprises a tube-pressing part and a plate-sealing part which are fixedly and oppositely arranged; a limiting sliding hole and threading holes are formed in the plate-sealing part; crimping lug bosses are arranged on the inner wall of the tube-pressing part; a conical crimping surface is arranged on the outer circumference wall of the core column; the plate-clamping assembly comprises wire-clamping plates; a guiding sliding table is arranged on the inner wall of each wire-clamping plate; guiding sliding grooves are formed in each wire-clamping plate; limiting sliding columns adapted to the guiding sliding grooves are arranged on each crimping lug boss; each wire-clamping plate is arranged in a manner of directly facing to one corresponding crimping lug boss; the current transformer body comprises an annular induction body; each wire-clamping hole is formed in the corresponding hole cavity of the annular induction body; the bolt is rotated to push each wire-clamping plate to move radially along the tube-pressing part; and a mounting screw hole which penetrates through the wall part of the tube-pressing part in a radial direction is formed in the base tube; and a temperature sensing apparatus is fixedly arranged in the mounting screw hole. The high-voltage electric power zero-sequence current transformer has a real-time temperature monitoring function.
Owner:钱才英

Three-phase power zero-sequence current transformer with real-time temperature detection function

The invention discloses a three-phase power zero-sequence current transformer with a real-time temperature detection function. The three-phase power zero-sequence current transformer comprises a pressing bolt, a core tube, a current transformer body, a crimping component and a press claw component, wherein radial guide slide holes are formed in the tube wall of the core tube; an inner thread region is arranged in a tube cavity of the core tube; the crimping component comprises a plurality of crimping parts; each crimping part is provided with a press plate part and an anti-drop connection part; the crimping parts are detachably arranged on the core tube through the anti-drop connection parts; the press claw component comprises a plurality of press claws; each press claw comprises a top plate part, a guide slide block part and a drive surface; each guide slide block part is inserted into one corresponding radial guide slide hole; the pressing bolt comprises a body, an outer thread region and a pressing boss; the shape of the pressing boss is a truncated cone shape; the outer thread region of the pressing bolt is matched with the inner thread region of the core tube; the drive surface of each press claw is matched with the outer circumference wall of one corresponding pressing boss; and an installation screw hole of a built-in temperature sensing device is arranged in at least one crimping part. The three-phase power zero-sequence current transformer has the real-time temperature detection function.
Owner:胡小青

High-voltage power zero sequence current transformer for power transmission and distribution line

The invention discloses a high-voltage power zero sequence current transformer for a power transmission and distribution line. The high-voltage power zero sequence current transformer comprises a base tube, a core column, a bolt, a current transformer and a clamping plate assembly, wherein the base tube comprises a press tube part and a sealing plate part, the sealing plate part and the press tube part are oppositely and fixedly arranged, the sealing plate part is provided with a limitation sliding hole and threading holes, crimping bosses are arranged on an inner wall of the press tube part, a conical crimping surface is arranged on a peripheral wall of the core column, the clamping plate assembly comprises wire clamping plates, a guide sliding table is arranged on an inner wall of each wire clamping plate, a guide sliding groove is formed in each wire clamping plate, a limitation sliding post is arranged on each crimping boss and is adaptive to the guide sliding groove, each wire clamping plate is arranged right opposite to one corresponding crimping boss, the current transformer comprises an annular sensitive body, each wire clamping hole is formed in a hole cavity of the annular sensitive body, each wire clamping plate is pushed to move along a radial direction of the press tube part by rotating the bolt, the base tube is provided with an installation screw hole, the installation screw hole passes through a wall body of the press tube part along the radial direction of the base tube, and a temperature sensitive device is fixedly arranged in the installation screw hole. The high-voltage power zero sequence current transformer has the function of real-time temperature monitoring.
Owner:钱才英

Piercing wire clamp used for power transmission and distribution

The invention discloses a puncture wire clamp for power transmission and distribution, which comprises a base pipe, a core pipe, a set of pressing jaw assemblies and a flat nut; There is a radial limit sliding hole on the top, and an annular stopper is provided on the inner peripheral wall of the core tube; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the flat nut rotates It is arranged in the lumen of the core tube; the plane nut includes a plane threaded part which is engaged with the driving threaded part of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.
Owner:申清章

Connection wire clamp for overhead line

The invention discloses a splicing clamp for overhead lines, which comprises a base pipe, a core pipe, a set of pressing claw assemblies and a flat nut; the inner peripheral wall of the base pipe is provided with a crimping boss, and There is a radial limit sliding hole, and the inner peripheral wall of the core tube is provided with an annular stopper; the pressure claw assembly includes a plurality of pressure claws, and each pressure claw includes a pressure plate part, a guide slider part and a driving thread part; the plane nut is rotated In the lumen of the core tube; the plane nut includes a plane threaded portion that is engaged with the driving threaded portion of each pressure claw; the base tube is provided with a mounting screw hole for a built-in temperature sensing device. The invention has excellent anti-loosening effect.
Owner:申清章

Tension joint for overhead line

The invention discloses a connecting fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; the inner peripheral wall of the core tube is provided with a crimping boss, and There is a radial limit slide hole, and a block is provided on the inner peripheral wall of the core tube; 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 nuts are separated On both sides of the block; each plane nut includes a fastening portion and a plane threaded portion adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; 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.
Owner:申俊

Three-phase zero sequence current transformer

The invention discloses a three-phase zero sequence current transformer. The three-phase zero sequence current transformer comprises a core tube, a set of press claw assemblies, a planar nut, a current transformer and three crimping elements, wherein each crimping element is provided with a press plate part and a disconnection-preventing connection part and is detachably arranged on the core tube by the disconnection-preventing connection part, the press plate parts are arranged outside the core tube, three radial limitation sliding holes are formed in the tube wall of the core tube, the press claw assemblies comprise three press claws, each press claw comprises a top plate part, a guide sliding block part and a driving thread part, the guide sliding block part is inserted into the corresponding radial limiting sliding hole, the driving thread parts extend into a tube cavity of the core tube, the planar nut is rotatably arranged in the tube cavity of the core tube and comprises a planar thread part, the current transformer comprises an annular substrate, the annular substrate is arranged outside the crimping elements, an installation screw hole is formed in at least one of the crimping elements, and a temperature sensing device is arranged in the installation screw hole. The three-phase zero sequence current transformer has a function of monitoring temperature in real time.
Owner:胡妍

Power splicing fitting used for overhead line

The invention discloses a power connection fitting for overhead lines, which comprises a core tube, a core tube, two sets of pressing jaw assemblies and two flat nuts; There is a radial limit sliding hole on the top, and a block is provided on the inner peripheral wall of the core tube; each set of pressure claw components includes a plurality of pressure claws; two flat nuts are rotatably arranged in the core tube cavity, and the two flat nuts The two sides of the block are separated; each plane nut includes a fastening part and a plane thread part adapted to each pressure jaw in a corresponding set of pressure jaw assemblies; at least one crimping part is provided with a mounting screw hole for a built-in temperature sensing device. The invention has the function of real-time temperature monitoring.
Owner:申俊

Electric power zero sequence current transformer capable of preventing cable from getting loose

The invention discloses an electric power zero sequence current transformer capable of preventing a cable from getting loose. The electric power zero sequence current transformer comprises an ejection bolt, a core tube, a current transformer body, a press joint assembly and a press claw assembly. Radial guide sliding holes are formed in the wall of the core tube, and an internal thread area is arranged in a cavity of the core tube. The press joint assembly comprises a plurality of press joint pieces, each press joint piece is provided with a press plate part and an anti-disengagement connection part, and the press joint pieces are detachably arranged on the core tube through the anti-disengagement connection parts. The press claw assembly comprises a plurality of press claws, each press claw comprises a top plate part, a guide sliding block part and a driving face, and each guide sliding block part is inserted into the corresponding radial guide sliding hole. The ejection bolt comprises a body, an external thread area and an ejection boss, the ejection boss is in a cone frustum shape, and the external thread area of the ejection bolt is matched with the internal thread area of the core tube. The driving face of each press claw is matched with the corresponding peripheral wall of the ejection boss. At least one press joint piece is provided with an installation threaded hole with a built-in temperature sensing device. The electric power zero sequence current transformer is stable and reliable in installation firmness.
Owner:胡小青

Electric power wire clamping fitting for preventing cable loosening

The invention discloses an electric power wire clamping fitting for preventing cable loosening. The electric power wire clamping fitting comprises an abutting bolt, a core tube, a crimping component and a pressing claw component. The tube wall of the core tube is provided with radial guide slide holes. The tube cavity of the core tube is provided with an internal thread area. The crimping component comprises multiple crimping members. Each crimping member is provided with a pressing plate part and anti-loosening connecting parts. The crimping members are detachably arranged on the core tube through the anti-loosening connecting parts. The pressing claw component comprises multiple pressing claws. Each pressing claw comprises a top plate part, a guide slide block part and a driving surface. Each guide slide block part is inserted into one corresponding radial guide slide hole. The abutting bolt comprises a body, an external thread area and an abutting boss. The shape of the abutting boss is a cone frustum. The external thread area of the abutting bolt is adaptive to the internal thread area of the core tube. The driving surface of each pressing claw is adaptive to the external circumferential wall of one corresponding abutting boss. At least one crimping member is provided with an installing screw hole with a built-in temperature sensing device. The electric power wire clamping fitting for preventing cable loosening is stable and reliable in installing fastness.
Owner:胡小青

Improved type zero-sequence current transformer

The invention discloses an improved type zero-sequence current transformer. The improved type zero-sequence current transformer comprises a base tube, a core tube, two crimping parts and two sets of pressing claw assemblies, wherein multiple wire-clamping lug bosses are arranged on the inner circumferential wall of the base tube; two groups of guiding holes are formed in the tube wall of the core tube; each group of guiding holes comprise multiple radial limiting sliding holes; two internal thread regions are arranged on the inner wall of the core tube; each set of pressing claw assembly comprises multiple pressing claws; each pressing claw comprises a plate pressing part, a guiding sliding block part and a driving surface; each crimping part comprises a body, an external thread region which is arranged on the outer circumferential wall of the body, and a crimping lug boss which is arranged at the inner side end of the columnar body; the external thread region of each crimping part is matched with the internal thread region of the core tube; the driving surface of each pressing claw is matched with the outer circumferential wall of the corresponding crimping lug boss; a mounting screw hole is formed in the base tube, wherein a temperature sensing apparatus is arranged in the mounting screw hole; and when each crimping part rotates in a preset direction, the plate pressing part of corresponding one set of pressing claw assembly is pushed to move outwardly in the radial direction of the core tube. The improved type zero-sequence current transformer is relatively good in performance and capable of improving the intelligent level of the power grid.
Owner:胡小青
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